GB 12045-2003 Technical requirements for marine explosion-proof lamps
Some standard content:
ICS 47.020.60
National Standard of the People's Republic of China
GB12045—2003
Replaces GB12045-1989
Technical conditions for marine explosion-proof lights
Specification of marine explosion-proof lightIssued on 2003-09-24
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
Implementation on 2004-05-01
..comGB 12045--2003
4.7 and 4.8 of this standard are mandatory, and the rest are recommended. This standard replaces GB120451989 from the date of implementation. The main technical differences between this standard and GB12015-1989 are as follows: the structure, technical elements and expression rules of the standard are modified according to GB/11.1-20002
Add environmental requirements;
Rated insulation voltage is changed to 24V, 110V and 220V; The area of metal protection mesh is changed to less than 50mm and 50mm; The limit of magnesium content of light metal used for external filling:
Add the inspection of electrical valve gap and creepage distance: Add the inspection of rectification effect and light transmittance:
Add the standard requirements of packaging protection and packaging box. This standard is proposed by China Shipbuilding Industry Corporation. This standard is under the jurisdiction of the National Ocean Shipping Standard Technical Committee Ship Electrical Equipment Sub-Technical Committee. This standard is drafted by China Shipbuilding Industry Comprehensive Technology and Economic Research Institute. The drafter of this standard: Gong Zhize,
This standard was first issued in December 1989 and revised for the first time in September 2003. 1 Scope
Technical conditions for marine explosion-proof lamps
This standard specifies the classification, requirements, inspection rules, inspection methods, marking, packaging and storage of marine explosion-proof lamps. GB12045-2003
This standard applies to the design, production and acceptance of flameproof and increased safety explosion-proof lamps (hereinafter referred to as explosion-proof lamps) with a rated voltage of less than 250V and with incandescent fluorescent lamps and gas discharge lamps (high-pressure mercury lamps) as light sources, which are installed in places where explosive gas mixtures may be generated or accumulated.
2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. The referenced documents with a date are not applicable to this standard. However, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, parties to an agreement based on this standard are encouraged to study whether the latest versions of these documents can be used. For all undated referenced documents, the latest versions apply to this standard. GB1444: Screw-type lamp holders for explosion-proof lamps G13/T2423.1—2001 Environmental testing procedures for electric and electronic products Part 2: Test A: Low (idt1EC60068-2-1: 1990)
GB/T2423.2—2001 Environmental testing procedures for electric and electronic products Part 2: Test B: High (i dtIEC60068-2-2:1974)
(GH/T2423.11993 Basic environmental test procedures for electrical and electronic products Test I)h: Alternating test method (eqV1E600682-30.1980)
G13/T2123.101995 Environmental testing for electrical and electronic products Part 2: Test methods Test Fc and guidelines: Vibration (sinusoidal) (idt IEC 60068-2-6:1982)
GB/T 2423. 16-1999
Environmental testing procedures for electronic products
Part 2: Tests and guidance: Long toxicity idt1F60068-2-10:19881
GB/T 2423. 17--1993
60068-2-11:1981)
Electrical I. Basic environmental test procedures for electronic products Test Ka: Salt spray test method (cqV IFC GB/T 2423. 31
Basic environmental test procedures for electronic products, tilt and swing test method GB3836.1-2000 Electrical apparatus for explosive gas atmospheres Part 1: General requirements (e9VIEC60079-0:1998) GB 3836.2—2000
Electrical apparatus for explosive atmospheres Part 2: Flameproof type (IEC60079-1:1990) GB3836.32000 Electrical apparatus for explosive gas atmospheres Part 3: Increased safety (IEC60079-7:1990) GB/I3907 Industrial radio interference base and measurement methods GB4208 Enclosure protection grade (IF code) GB/T5433H Glass transmittance determination method GB/T13384 General packaging for electromechanical products Technical conditions G13/T14048.-2000 General rules for low-voltage switchgear and control equipment E9VIFC60947-1:1999) CB/T3246—1994 Basic technical conditions for special electrical appliances for ships QB/T3742 Technical conditions for wooden boxes for lamp packaging 3 Classification
3.1 Type
3.1.1 Explosion-proof lamps are divided into flameproof type and increased safety type according to their explosion-proof type, GB12045—2003
3.1.2 Explosion-proof lamps can be divided into door weaving lamps, carbon light lamps, pressure mercury lamps, etc. according to their light source. 3.1.3 Explosion-proof lamps can be installed in fixed and portable types. 3.2 Models and markings 3.2.1 The model of explosion-proof lamps is expressed as follows: Power: in watts (W). Voltage: in volts (V). Installation type code: G Fixed. S Portable. Light source code: F Incandescent lamp. YE Fluorescent lamp
GF—High-pressure mercury lamp
Dry-proof type code: d—flameproof type
e—Increased safety type
3.2.2 Marking example:
The explosion-proof incandescent lamp with a rated voltage of 110V and a power of 60W is marked as: explosion-proof lamp GH12045-dF110-60
The increased safety double-tube fluorescent lamp with a rated voltage of 220V and a power of 30W is marked as: explosion-proof lamp GR12045-eYE220-2X30
4 Requirements
4.1 Environmental adaptability
4.1.1 High and low temperature
The explosion-proof lamp should be able to work normally under the condition of ambient temperature of -20℃~50℃, and there should be no defects such as coating cracking, shedding or parts deformation. The hot insulation resistance should meet the requirements of Table 1. Table 1 Insulation resistance
Rated voltage/V
110,220
4.1.2 Damp heat
Cold insulation resistance/M
Hot insulation resistance/Ma
Damp heat insulation resistance/Mn
Explosion-proof lamps should be able to work normally under the environmental conditions of relative humidity of 45%~75%, normal temperature (253)%, high temperature (40±2)℃, and relative humidity not less than 05%. The insulation resistance should meet the requirements of Table 1. 4.1,3 Tilt and swing
Explosion-proof lamps should be able to work normally under the conditions of roll 22.5\, pitch 10° roll±15°, cycle 108; pitch ±10° cycle 7%. 4.1.4 Vibration
Explosion-proof lamps should be able to work normally under the conditions of frequency 1 JIz~150 Hz, maximum acceleration 20 m/s= directional vibration environment conditions should be able to work normally without mechanical damage, poor contact and loose fittings. 4.1.5 Impact
The plastic shell components, light alloy shell, cast iron shell, protective net and transparent cover of explosion-proof lamps should be able to withstand the impact specified in GB3836.1-2000..com23.4.3.1 without causing deformation or damage that affects the explosion-proof performance. 4.1.6 Drop
GB 12045—2003
The mechanical properties of portable explosion-proof lamps should be able to withstand the drop specified in 23.4.3.2 of GB3836.12000 without deformation or damage that affects the explosion-proof performance.
4.1.7 Salt spray
The salt spray resistance of explosion-proof lamps and their coating parts should be able to withstand the fogging conditions specified in GB/T2423.17 and before 48h, and there should be obvious rust and coating shedding, etc. (for outdoor explosion-proof lamps, the whole lamp should be tested). 4.1.8 Mold
The mold resistance of the insulating parts and painted parts of explosion-proof lamps should not be lower than the requirements of level 2 under the conditions of method 2 and 28d specified in GB/T2423.161999.
4.2 Power supply change
The explosion-proof lamp should be able to work normally under the conditions that the power supply changes to 6%~10% of the rated voltage and the frequency changes to ±5% of the rated frequency.
4.3 Insulation resistance
The insulation resistance between the conductive parts of explosion-proof lamps and the shell shall comply with the provisions of Table 1. 4.4 Dielectric strength
The dielectric strength between the conductive parts of explosion-proof lamps and the shell shall be able to withstand the voltage value specified in Table 2 for 1 minute without breakdown or flashover.
Table 2 Dielectric strength
Rated voltage/V
110,220
4.5 Electrical clearance and creepage distance
Test voltage/V
Test frequency/Hz
The electrical clearance and creepage distance between the conductive parts of explosion-proof lamps with different potentials shall comply with the provisions of Articles 4.3 and 4.4 of B3836.3-2000.
4.6 Electromagnetic Interference
Measures should be taken for fluorescent explosion-proof lamps to prevent electromagnetic interference from other electrical equipment. 4.7 Structure
4.7.1 The distance between the bulb and the transparent cover of the explosion-proof lamp shall meet the following requirements: a
The distance between the incandescent bulb and the transparent cover shall meet the requirements in Table 3: The minimum distance between the fluorescent tube and the transparent cover is 3 mm: The minimum distance between the bulb and the transparent cover is 5 mm Table 3 Distance between the remote control cover and the bulb
Bulb power/W
>10G:--260
>200~-5G0
Distance/mm
4.7.2 Explosion-proof lamps should have a metal protective net. It should be securely fixed on the outside of the lamp. The mesh area should be no less than 50mm×50mm. The mesh area of portable explosion-proof lamps should be no less than 45 mm×45 mm. 4.7.3 The distance between the metal protection net and the transparent cover of explosion-proof lamps shall comply with the provisions of Table 4. GB 12045--2003
Types of lamps
Incandescent lamps
Fluorescent lamps
White rectifier high-pressure mercury lamps
Portable stoves
Table 4 Distance between the metal protection net and the remote light cover
Directional distance/mm
4.7.4 The introduction device of the cables and wires of explosion-proof lamps, the increased safety explosion-proof lamps shall comply with the provisions of Chapter 16 of (B3836.1-2000, and the flameproof explosion-proof lamps shall comply with GB383 6.1 In addition to the provisions of Chapter 16 of GB3836.2-2000, it shall also comply with the provisions of Appendix T) of GB3836.2-2000. Connectors and terminals shall have sufficient mechanical strength and shall be connected tightly without any poor contact due to temperature, vibration, etc. The temperature rise of the terminals in the junction box shall not exceed 40°C. 4.7.5 The cables and wires of large explosion-proof lamps shall be introduced indirectly. Cold-start fluorescent lamps may be introduced directly and shall comply with GI3 3836.2-2000, Chapter 12. 4.7.6 The connection of cables or wires for increased safety explosion-proof lamps shall comply with the provisions of 4.1 and 4.2 of GB3836.3-2000. 4.7.7 The inlet cavity and the light source cavity of explosion-proof lamps shall be separated by a reflector or other heat insulation measures. 4.7.B The maximum surface temperature allowed for explosion-proof lamps shall comply with the provisions of 5.1.2 for Class I electrical equipment in GB3836.1-2000. 4.7.9 If the maximum surface temperature of the bulb of an increased safety explosion-proof lamp is higher than the lamp If the ignition temperature of the explosive gas mixture in the use environment is 50℃ lower than that of the lamp, the leakage of the lamp inside the lamp can exceed the provisions of Chapter 5 of GR3836.1--2000.
4.7.10 The temperature of the edge of the lamp holder and the welding part of the bulb of the increased safety explosion-proof lamp shall not exceed 195℃, and shall comply with the provisions of the surface overflow. 4.7.11 The ballast of the increased safety explosion-proof fluorescent lamp shall be able to withstand the rectification effect produced by the aging of the lamp tube, and its temperature shall not exceed the maximum temperature allowed by the insulation.
4.7.12 The grounding connector of the fixed explosion-proof lamp shall comply with the provisions of Chapter 15 of GB3836.1-2000. 4.7.13 The explosion-proof lamp shall have an interlocking device that can only open the transparent cover after the power is disconnected. When bolts are used for fastening, a red warning sign "Open the cover after power off" shall be provided at the opening of the cover.
4.7.14 The lamp holder and lamp holder of the explosion-proof lamp shall be safe and reliable, and shall comply with the provisions of G1141. The connecting piece connected to the metal of the lamp holder shall be marked with the symbol \{".
4.7.15 The lamp holder of the increased safety explosion-proof lamp can be made of metal or non-metal. The matching part of the lamp holder and the lamp holder shall be installed in a separate explosion-proof cavity. The explosion-proof cavity shall comply with the provisions of 4.7.10: The spiral bulb shall be prevented from automatically loosening in the lamp holder, and the lamp holder shall be able to be screwed in with a torque of 1 Nm~3Nm screwed into the lamp holder: the minimum screw-out torque should be 0.3Nm~1Nni. The lamp holder and lamp cap powered by the feeder network should comply with the requirements of Appendix A in (BH836.3-2000. 4.7.16 The shell of the flameproof explosion-proof lamp is divided into two cavities: the main shell and the junction box. The shell strength should comply with the provisions of Article 11 of GB3836.22000 without deformation or damage that affects the flameproof performance. 4.7.17 The connection between the junction basin and the main cavity of the flameproof explosion-proof lamp and the connection box should comply with the provisions of Chapter 5 of GB3836.2-2000.
The surface of the joint surface of the flameproof explosion-proof lamp The average surface roughness Ra shall not exceed 6.3u14.7.18
The connection surface of explosion-proof type explosion-proof lamp shall have anti-rust measures, but shall not be painted. The connection between the transparent cover of explosion-proof type explosion-proof lamp and the outer dead shall not adopt threaded structure, and can be directly connected with the shell glue seal. The glue seal posture requirements 4.7.201
shall comply with the provisions of 5.5 in GB33836.2-200) 4.7.21 The fastening of explosion-proof type explosion-proof lamp shall comply with the provisions of Chapter 10 in GB3836.2-2000, 4.7.22 The increased safety explosion-proof lamp powered by the feeder network shall comply with the requirements of 5.2 in GB3836.3-2000. 4.8 Material requirements
4.8.1 The shell and other parts of explosion-proof lamps shall be made of materials with sufficient resistance to chemical, mechanical and other effects. For explosion-proof lamps that can be covered, the shell and protective net shall be made of metal materials that will not produce dangerous sparks due to impact or falling, or covered with safety materials. The shell material shall be light alloy or plastic. The light alloy shell shall comply with the provisions of Chapter 8 of GB3836.1-20001; the plastic shell shall comply with the provisions of Chapter 7 of GB3836.1-2000. 4.8.2 The comparative tracking index level of the insulating material used in explosion-proof lamps shall comply with the provisions of Appendix F of GB3836.3-2000. 4.8.3 The change in hardness IRHD of the elastic seal of explosion-proof lamps after heat aging shall not exceed 20%. 4.8.4 The transparent cover of the explosion-proof lamp shall be made of high-expansion, mechanical, thermal and chemical resistant materials that do not affect its optical properties. It can withstand impact, drop and thermal shock without damage. The light transmittance shall not be less than 80%. 4.9 Protection level
The protection level of the shell of the explosion-proof lamp shall be IP56. 4.10 Appearance
The appearance of the explosion-proof lamp shall meet the following requirements:
) The components and parts shall not be deformed, and the electroplated parts shall not be rusted; b) The coating on the surface shall be uniform, without shedding, scratches, condensation and bubbles, and the color shall be uniform and consistent;
d) The glass shall be clear and transparent, and shall not have scratches and dirt. 5 Inspection method
5. 1 General inspection
Daily inspection of the appearance, markings, signs and warning signs of the explosion-proof lamp. The structure shall meet the requirements of 4.10 and Chapter 7. 5.2 Structural inspection
Daily test and check the explosion-proof structure of the explosion-proof lamp. The results should meet the requirements of 4.7.5~-1.7.7, 1.7.12~4.7.14, 4.7.17~-4.7.22.
5.3 Low temperature
Perform a 20% low temperature test according to the method specified in GB/T2423.1-2000: Perform a 50℃ high temperature test according to the method specified in B/T2423.2--2001. The results should meet the requirements of 4.1.1. 5.4 Wet heat
Carry out the test for 2 cycles according to the alternating test method in (B2423.4[993). After the test, check the performance of the explosion-proof lamp and measure the insulation resistance. The result should meet the requirements of 4.1.2.
5.5 Tilt and swing
Carry out the test according to the method specified in GI3 2423.31. The result should meet the requirements of 4.1.3. 5.6 Vibration
Carry out the vibration test according to the method specified in GB2423.10-1995. The result meets the requirements of 4.1.4. 5.7 Impact
The plastic shell and shell parts, light alloy shell, cast iron shell, protective net and transparent cover of the explosion-proof lamp shall be tested according to the method specified in GB3836.1-2000 23.1.3.1. The result should meet the requirements of 4.1, 5: 5.8 Drop
Portable explosion-proof lamps shall be tested according to GB3836.1-2000, the method specified in 23.4.3.2 is tested: the result should meet the requirements of 4.1.6. 5. 9 Salt spray
According to the method specified in (R/T2423.17, the outdoor explosion-proof lamp is tested for the entire explosion-proof lamp, and the result should meet the requirements of 4.1.7.
5, 10 Mildew resistance
The insulation parts and painted parts of the explosion-proof lamp shall be tested according to the method specified in GI3/T2423.16. The result should meet the requirements of 4.1.8.
GB12045-—2003
5.11 Power supply change
The explosion-proof lamp is tested according to the power supply change of rated voltage -6%~-10%, and the frequency change is rated frequency ±5%. Each operation is 15 rni, and the working condition of the explosion-proof lamp is checked. The result should meet the requirements of 4.2 5.12 Insulation resistance
Use a 250V, 1.5-level megohmmeter for 24V and a 500V, 1.5-level megohmmeter for 110V and 220V to measure the insulation resistance between live parts of explosion-proof lamps and between live parts and the casing. When measuring the hot insulation resistance, input the rated voltage of the explosion-proof lamp for 2 hours, then cut off the power and complete the measurement within 5 minutes. The result should meet the requirements of 4.3. 5.13 Dielectric strength
Perform the test according to the method specified in 5.1.2 of CB/T3216--1994. The result should meet the requirements of 1.4. 5.14 Electrical clearance and galvanic distance
Perform the test according to the method specified in the appendix of GB/T14048.12000. The result should meet the requirements of 4.5. 5. 15 Electromagnetic interference
The electromagnetic interference of fluorescent lamps and explosion-proof lamps on other electrical equipment shall be tested according to the method specified in GB/T3907. The results shall meet the requirements of 4.
5.16 The distance between the bulb and the transparent cover and the protective net shall be measured with a ruler. The distance between the bulb and the transparent cover and the relevant dimensions of the protective net shall meet the requirements of 4.7.1 to 4.7.3. 5.17 Cable and wire entry device structure test The optical cable wire test shall be carried out according to the provisions of Appendix D3 in GB3836.12000. , according to the provisions of Appendix D2 of GB3836.2-2000, the sealing performance and mechanical strength tests shall be carried out. The results shall meet the requirements of 4.7.4. 5.18 Surface temperature
Fixed explosion-proof lamps shall be placed in a 50°C constant temperature box in normal working conditions: portable explosion-proof lamps shall be placed in a 50°C constant temperature box in the upward, downward, horizontal, and upward 45° inclined positions, and the temperature of each part of the explosion-proof lamp shall be checked according to the method specified in 23.4.6.1 of CB3836.1-2000, and the highest surface temperature shall be measured. The results shall meet the requirements of 4.7.8~4.7.10. 5.19 Rectification effect
The test shall be carried out according to the method specified in 6.3.2 of GB3836.3-2000. The results shall meet the requirements of 4.7.11. 5.20 Mechanical test of spiral lamp holder
The test shall be carried out according to the method specified in 6.3.1 of G133836.3-2000. The results shall meet the requirements of 4.7.15. 5.21 Shell strength
The test shall be carried out in accordance with the method specified in 15.! of G133836.2-2000. The results shall meet the requirements of 4.7.6. 5.22 Shell material
The semi-metallic outer seal and non-metallic parts of the shell shall be tested in accordance with the provisions of 23.4.7 of GB3836.1-2000, and the results shall meet the requirements of 1.8.1.
5.23 The hardness and aging test of elastic sealing materials shall be carried out in accordance with the method specified in Appendix D3.3 of GB3836.1-2000. The results shall meet the requirements of 4.8.3. 5.24 Thermal shock
The transparent cover of explosion-proof lamp glass shall be tested in accordance with the method specified in 23.4.6.2 of GB3836.1-2000. The results shall meet the requirements of 4.8.4.
5.25 Transmittance
The transparent cover of explosion-proof lamp glass Test according to the method specified in (B/T5433. The result shall meet the requirements of 4.8.4. 5.26 Shell protection
Test according to the method specified in GB1208. The result shall meet the requirements of 4.6 Inspection rules
6.1 Inspection classification
Explosion-proof lamp inspection is divided into type inspection and output inspection. 6.2 Type inspection
6.2.1 Inspection items
The items of type inspection shall be as specified in Table 5.
Table 5 Inspection items
Inspection items
General inspection
Structural inspection
High and low temperature
Tilt and swing
Power supply change
Insulation resistance
Dielectric strength
Electrical clearance and power distribution distance
Electromagnetic interference
Ball and light shield distance and protection net
Cable and wire entry device
Surface temperature
Rectification effect
Mechanical test of screw-type lamp cabinet
Shell strength
Shell material
Elastomer seal heat aging
Thermal shock
Light transmittance
Shell protection
Requirement article number
1.3 5~437
4. 7. 12-~4, 7. 14
4. 7. 17--4. 7. 22
4. 7. 1--4. 7. 3
4. 7. 8--4. 7. 10
Method: Power supply changes, no frequency change test is performed during factory inspection. Inspection method Article number
Type inspection
GB 12045--2003
Factory inspection
GB 12045-2003
6.2.2 Inspection sequence
Unless otherwise specified: Generally, the inspection shall be carried out in the sequence specified in Table 5. 6.2.3 Inspection samples
The number of samples for type inspection shall not be less than 2.
6. 2. 4 Judgment rules
Unless otherwise specified, all items shall be inspected on the same sample. When all the specified type inspection items meet the requirements after inspection, the type inspection shall be judged to be qualified. If any of the items do not meet the requirements, it is allowed to be re-inspected after troubleshooting. If the re-inspection meets the requirements, it is still judged to be qualified. If irreparable damage occurs during the inspection, double sampling shall be carried out for re-inspection. If the re-inspection still does not meet the requirements, the type inspection shall be judged to be unqualified.
6.3 Factory inspection
6.3.1 Inspection items
Factory inspection is specified in the table.
6.3.2 Inspection samples
All explosion-proof lamps shall be inspected.
6.3.3 Judgment rules
If any items that do not meet the requirements are found during the inspection, re-inspection shall be carried out after taking corrective measures. If the re-inspection still does not meet the requirements, the explosion-proof lamp shall be judged to be unqualified.
7 Marking
7.1 The explosion-proof lamp shall be marked with the explosion-proof type, category and level, temperature group and other marks. The marking method shall comply with the requirements of Chapter 27 of GB3836.12000.
7.2 A clear and permanent red convex and concave mark "Ex" and explosion-proof mark shall be placed on the obvious part of the explosion-proof lamp shell. 7.3 The nameplate shall indicate the following:
a "Ex\" mark on the upper right
b) explosion-proof mark;
e) lamp name, model, voltage, power, product number, certificate number, environmental source, factory date, manufacturer name; d) ship inspection mark.
7.4 Nameplates and warning signs should be made of brass or stainless steel, and their thickness should not be less than (.5mm: 8 Packaging and Storage
8.1 Packaging
The protective packaging and packing of explosion-proof lamps should comply with the provisions of GB/T13384. The packaging wooden boxes should comply with the provisions of QB/T3742. 8.2 Storage
Explosion-proof lamps should be stored in a dry and well-ventilated warehouse, and the storage conditions should be inspected regularly (no more than 6 months).12 Insulation resistance
24V uses 250V, 1.5-level megohmmeter, 110V, 220V uses 500V, 1.5-level megohmmeter to measure the insulation resistance between live parts of explosion-proof lamps and between live parts and shell. When measuring the hot insulation resistance, the explosion-proof lamp is input with rated voltage for 2h, then the power is turned off and the measurement is completed within 5 minutes. The result should meet the requirements of 4.3. 5.13 Dielectric strength
The test is carried out according to the method specified in 5.1.2 of CB/T3216--1994. The result should meet the requirements of 1.4. 5.14 Electrical clearance and galvanic distance
The test is carried out according to the method specified in the appendix of GB/T14048.12000. The result should meet the requirements of 4.5. 5.15 Electromagnetic interference
The electromagnetic interference of fluorescent explosion-proof lamps to other electrical equipment is tested according to the method specified in GB/T3907. The results shall meet the requirements of 4.
5.16 Distance between bulb and transparent cover and protective net Use a ruler to measure the distance between bulb and transparent cover and the relevant dimensions of protective net. The results shall meet the requirements of 4.7.1~4.7.3. 5.17 Cable and wire entry device structure test Carry out the optical cable test according to the provisions of Appendix D3 of GB3836.1-2000, and carry out the sealing performance and mechanical strength test according to the provisions of Appendix D2 of GB3836.2-2000. The results shall meet the requirements of 4.7.4. 5.18 Surface temperature
Fixed explosion-proof lamps are placed in a 50°C constant temperature box in normal working state: portable explosion-proof lamps are placed in upward, downward, horizontal, and upward 45° inclined states. According to the method specified in 23.4.6.1 of CB3836.1-2000, check the temperature of each part of the explosion-proof lamp and measure the highest surface temperature. The results shall meet the requirements of 4.7.8~4.7.10. 5.19 Rectification effect
The test shall be conducted in accordance with the method specified in 6.3.2 of GB3836.3-2000. The result shall meet the requirements of 4.7.11. 5.20 Mechanical test of screw lamp holder
The test shall be conducted in accordance with the method specified in 6.3.1 of G133836.3-2000. The result shall meet the requirements of 4.7.15. 5.21 Shell strength
The test shall be conducted in accordance with the method specified in 15.! of G133836.2-2000. The result shall meet the requirements of 4.7.6. 5.22 Shell material
The semi-metallic outer seal and non-metallic parts of the shell shall be tested in accordance with the provisions of 23.4.7 of GB3836.1-2000. The result shall meet the requirements of 1.8.1 of Taiwan.
5.23 The hardness and aging test of elastic sealing materials shall be carried out in accordance with the method specified in Appendix D3.3 of GB3836.1-2000. The results shall meet the requirements of 4.8.3. 5.24 Thermal shock
The transparent cover of explosion-proof lamp glass shall be tested in accordance with the method specified in 23.4.6.2 of GB3836.1-2000. The results shall meet the requirements of 4.8.4.
5.25 Transmittance
The transparent cover of explosion-proof lamp glass Test according to the method specified in (B/T5433. The result shall meet the requirements of 4.8.4. 5.26 Shell protection
Test according to the method specified in GB1208. The result shall meet the requirements of 4.6 Inspection rules
6.1 Inspection classification
Explosion-proof lamp inspection is divided into type inspection and output inspection. 6.2 Type inspection
6.2.1 Inspection items
The items of type inspection shall be as specified in Table 5.
Table 5 Inspection items
Inspection items
General inspection
Structural inspection
High and low temperature
Tilt and swing
Power supply change
Insulation resistance
Dielectric strength
Electrical clearance and power distribution distance
Electromagnetic interference
Ball and light shield distance and protection net
Cable and wire entry device
Surface temperature
Rectification effect
Mechanical test of screw-type lamp cabinet
Shell strength
Shell material
Elastomer seal heat aging
Thermal shock
Light transmittance
Shell protection
Requirement article number
1.3 5~437
4. 7. 12-~4, 7. 14
4. 7. 17--4. 7. 22
4. 7. 1--4. 7. 3
4. 7. 8--4. 7. 10
Method: Power supply changes, no frequency change test is performed during factory inspection. Inspection method Article number
Type inspection
GB 12045--2003
Factory inspection
GB 12045-2003
6.2.2 Inspection sequence
Unless otherwise specified: Generally, the inspection shall be carried out in the sequence specified in Table 5. 6.2.3 Inspection samples
The number of samples for type inspection shall not be less than 2.
6. 2. 4 Judgment rules
Unless otherwise specified, all items shall be inspected on the same sample. When all the specified type inspection items meet the requirements after inspection, the type inspection shall be judged to be qualified. If any of the items do not meet the requirements, it is allowed to be re-inspected after troubleshooting. If the re-inspection meets the requirements, it is still judged to be qualified. If irreparable damage occurs during the inspection, double sampling shall be carried out for re-inspection. If the re-inspection still does not meet the requirements, the type inspection shall be judged to be unqualified.
6.3 Factory inspection
6.3.1 Inspection items
Factory inspection is specified in the table.
6.3.2 Inspection samples
All explosion-proof lamps shall be inspected.
6.3.3 Judgment rules
If any items that do not meet the requirements are found during the inspection, re-inspection shall be carried out after taking corrective measures. If the re-inspection still does not meet the requirements, the explosion-proof lamp shall be judged to be unqualified.
7 Marking
7.1 The explosion-proof lamp shall be marked with the explosion-proof type, category and level, temperature group and other marks. The marking method shall comply with the requirements of Chapter 27 of GB3836.12000.
7.2 A clear and permanent red convex and concave mark "Ex" and explosion-proof mark shall be placed on the obvious part of the explosion-proof lamp shell. 7.3 The nameplate shall indicate the following:
a "Ex\" mark on the upper right
b) explosion-proof mark;
e) lamp name, model, voltage, power, product number, certificate number, environmental source, factory date, manufacturer name; d) ship inspection mark.
7.4 Nameplates and warning signs should be made of brass or stainless steel, and their thickness should not be less than (.5mm: 8 Packaging and Storage
8.1 Packaging
The protective packaging and packing of explosion-proof lamps should comply with the provisions of GB/T13384. The packaging wooden boxes should comply with the provisions of QB/T3742. 8.2 Storage
Explosion-proof lamps should be stored in a dry and well-ventilated warehouse, and the storage conditions should be inspected regularly (no more than 6 months).12 Insulation resistance
24V uses 250V, 1.5-level megohmmeter, 110V, 220V uses 500V, 1.5-level megohmmeter to measure the insulation resistance between live parts of explosion-proof lamps and between live parts and shell. When measuring the hot insulation resistance, the explosion-proof lamp is input with rated voltage for 2h, then the power is turned off and the measurement is completed within 5 minutes. The result should meet the requirements of 4.3. 5.13 Dielectric strength
The test is carried out according to the method specified in 5.1.2 of CB/T3216--1994. The result should meet the requirements of 1.4. 5.14 Electrical clearance and galvanic distance
The test is carried out according to the method specified in the appendix of GB/T14048.12000. The result should meet the requirements of 4.5. 5.15 Electromagnetic interference
The electromagnetic interference of fluorescent explosion-proof lamps to other electrical equipment is tested according to the method specified in GB/T3907. The results shall meet the requirements of 4.
5.16 Distance between bulb and transparent cover and protective net Use a ruler to measure the distance between bulb and transparent cover and the relevant dimensions of protective net. The results shall meet the requirements of 4.7.1~4.7.3. 5.17 Cable and wire entry device structure test Carry out the optical cable test according to the provisions of Appendix D3 of GB3836.1-2000, and carry out the sealing performance and mechanical strength test according to the provisions of Appendix D2 of GB3836.2-2000. The results shall meet the requirements of 4.7.4. 5.18 Surface temperature
Fixed explosion-proof lamps are placed in a 50°C constant temperature box in normal working state: portable explosion-proof lamps are placed in upward, downward, horizontal, and upward 45° inclined states. According to the method specified in 23.4.6.1 of CB3836.1-2000, check the temperature of each part of the explosion-proof lamp and measure the highest surface temperature. The results shall meet the requirements of 4.7.8~4.7.10. 5.19 Rectification effect
The test shall be conducted in accordance with the method specified in 6.3.2 of GB3836.3-2000. The result shall meet the requirements of 4.7.11. 5.20 Mechanical test of screw lamp holder
The test shall be conducted in accordance with the method specified in 6.3.1 of G133836.3-2000. The result shall meet the requirements of 4.7.15. 5.21 Shell strength
The test shall be conducted in accordance with the method specified in 15.! of G133836.2-2000. The result shall meet the requirements of 4.7.6. 5.22 Shell material
The semi-metallic outer seal and non-metallic parts of the shell shall be tested in accordance with the provisions of 23.4.7 of GB3836.1-2000. The result shall meet the requirements of 1.8.1 of Taiwan.
5.23 The hardness and aging test of elastic sealing materials shall be carried out in accordance with the method specified in Appendix D3.3 of GB3836.1-2000. The results shall meet the requirements of 4.8.3. 5.24 Thermal shock
The transparent cover of explosion-proof lamp glass shall be tested in accordance with the method specified in 23.4.6.2 of GB3836.1-2000. The results shall meet the requirements of 4.8.4.
5.25 Transmittance
The transparent cover of explosion-proof lamp glass Test according to the method specified in (B/T5433. The result shall meet the requirements of 4.8.4. 5.26 Shell protection
Test according to the method specified in GB1208. The result shall meet the requirements of 4.6 Inspection rules
6.1 Inspection classification
Explosion-proof lamp inspection is divided into type inspection and output inspection. 6.2 Type inspection
6.2.1 Inspection items
The items of type inspection shall be as specified in Table 5.
Table 5 Inspection items
Inspection items
General inspection
Structural inspection
High and low temperature
Tilt and swing
Power supply change
Insulation resistance
Dielectric strength
Electrical clearance and power distribution distance
Electromagnetic interference
Ball and light shield distance and protection net
Cable and wire entry device
Surface temperature
Rectification effect
Mechanical test of screw-type lamp cabinet
Shell strength
Shell material
Elastomer seal heat aging
Thermal shock
Light transmittance
Shell protection
Requirement article number
1.3 5~437
4. 7. 12-~4, 7. 14
4. 7. 17--4. 7. 22
4. 7. 1--4. 7. 3
4. 7. 8--4. 7. 10
Method: Power supply changes, no frequency change test is performed during factory inspection. Inspection method Article number
Type inspection
GB 12045--2003
Factory inspection
GB 12045-2003
6.2.2 Inspection sequence
Unless otherwise specified: Generally, the inspection shall be carried out in the sequence specified in Table 5. 6.2.3 Inspection samples
The number of samples for type inspection shall not be less than 2.
6. 2. 4 Judgment rules
Unless otherwise specified, all items shall be inspected on the same sample. When all the specified type inspection items meet the requirements after inspection, the type inspection shall be judged to be qualified. If any of the items do not meet the requirements, it is allowed to be re-inspected after troubleshooting. If the re-inspection meets the requirements, it is still judged to be qualified. If irreparable damage occurs during the inspection, double sampling shall be carried out for re-inspection. If the re-inspection still does not meet the requirements, the type inspection shall be judged to be unqualified.
6.3 Factory inspection
6.3.1 Inspection items
Factory inspection is specified in the table.
6.3.2 Inspection samples
All explosion-proof lamps shall be inspected.
6.3.3 Judgment rules
If any items that do not meet the requirements are found during the inspection, re-inspection shall be carried out after taking corrective measures. If the re-inspection still does not meet the requirements, the explosion-proof lamp shall be judged to be unqualified.
7 Marking
7.1 The explosion-proof lamp shall be marked with the explosion-proof type, category and level, temperature group and other marks. The marking method shall comply with the requirements of Chapter 27 of GB3836.12000.
7.2 A clear and permanent red convex and concave mark "Ex" and explosion-proof mark shall be placed on the obvious part of the explosion-proof lamp shell. 7.3 The nameplate shall indicate the following:
a "Ex\" mark on the upper right
b) explosion-proof mark;
e) lamp name, model, voltage, power, product number, certificate number, environmental source, factory date, manufacturer name; d) ship inspection mark.
7.4 Nameplates and warning signs should be made of brass or stainless steel, and their thickness should not be less than (.5mm: 8 Packaging and Storage
8.1 Packaging
The protective packaging and packing of explosion-proof lamps should comply with the provisions of GB/T13384. The packaging wooden boxes should comply with the provisions of QB/T3742. 8.2 Storage
Explosion-proof lamps should be stored in a dry and well-ventilated warehouse, and the storage conditions should be inspected regularly (no more than 6 months).8~4.7.10. 5.19 Rectification effect
Test according to the method specified in 6.3.2 of GB3836,3-2000. The result shall meet the requirements of 4.7.11. 5.20 Mechanical test for screw lamp holder
Test according to the method specified in 6.3.1 of G133836,3-2000. The result shall meet the requirements of 4.7.15. 5.21 Shell strength
Test according to the method specified in 15.! of G133836.2-2000. The result shall meet the requirements of 4.7.6. 5.22 Shell material
Semi-metallic outer seal and non-metallic parts of shell shall be tested according to the provisions of 23.4.7 of GB3836.12000, and the result shall meet the requirements of 1.8.1 of Taiwan.
5.23 The hardness and aging test of elastic sealing materials shall be carried out in accordance with the method specified in Appendix D3.3 of GB3836.1-2000. The results shall meet the requirements of 4.8.3. 5.24 Thermal shock
The transparent cover of explosion-proof lamp glass shall be tested in accordance with the method specified in 23.4.6.2 of GB3836.1-2000. The results shall meet the requirements of 4.8.4.
5.25 Transmittance
The transparent cover of explosion-proof lamp glass Test according to the method specified in (B/T5433. The result shall meet the requirements of 4.8.4. 5.26 Shell protection
Test according to the method specified in GB1208. The result shall meet the requirements of 4.6 Inspection rules
6.1 Inspection classification
Explosion-proof lamp inspection is divided into type inspection and output inspection. 6.2 Type inspection
6.2.1 Inspection items
The items of type inspection shall be as specified in Table 5.
Table 5 Inspection items
Inspection items
General inspection
Structural inspection
High and low temperature
Tilt and swing
Power supply change
Insulation resistance
Dielectric strength
Electrical clearance and power distribution distance
Electromagnetic interference
Ball and light shield distance and protection net
Cable and wire entry device
Surface temperature
Rectification effect
Mechanical test of screw-type lamp cabinet
Shell strength
Shell material
Elastomer seal heat aging
Thermal shock
Light transmittance
Shell protection
Requirement article number
1.3 5~437
4. 7. 12-~4, 7. 14
4. 7. 17--4. 7. 22
4. 7. 1--4. 7. 3
4. 7. 8--4. 7. 10
Method: Power supply changes, no frequency change test is performed during factory inspection. Inspection method Article number
Type inspection
GB 12045--2003
Factory inspection
GB 12045-2003
6.2.2 Inspection sequence
Unless otherwise specified: Generally, the inspection shall be carried out in the sequence specified in Table 5. 6.2.3 Inspection samples
The number of samples for type inspection shall not be less than 2.
6. 2. 4 Judgment rules
Unless otherwise specified, all items shall be inspected on the same sample. When all the specified type inspection items meet the requirements after inspection, the type inspection shall be judged to be qualified. If any of the items do not meet the requirements, it is allowed to be re-inspected after troubleshooting. If the re-inspection meets the requirements, it is still judged to be qualified. If irreparable damage occurs during the inspection, double sampling shall be carried out for re-inspection. If the re-inspection still does not meet the requirements, the type inspection shall be judged to be unqualified.
6.3 Factory inspection
6.3.1 Inspection items
Factory inspection is specified in the table.
6.3.2 Inspection samples
All explosion-proof lamps shall be inspected.
6.3.3 Judgment rules
If any items that do not meet the requirements are found during the inspection, re-inspection shall be carried out after taking corrective measures. If the re-inspection still does not meet the requirements, the explosion-proof lamp shall be judged to be unqualified.
7 Marking
7.1 The explosion-proof lamp shall be marked with the explosion-proof type, category and level, temperature group and other marks. The marking method shall comply with the requirements of Chapter 27 of GB3836.12000.
7.2 A clear and permanent red convex and concave mark "Ex" and explosion-proof mark shall be placed on the obvious part of the explosion-proof lamp shell. 7.3 The nameplate shall indicate the following:
a "Ex\" mark on the upper right
b) explosion-proof mark;
e) lamp name, model, voltage, power, product number, certificate number, environmental source, factory date, manufacturer name; d) ship inspection mark.
7.4 Nameplates and warning signs should be made of brass or stainless steel, and their thickness should not be less than (.5mm: 8 Packaging and Storage
8.1 Packaging
The protective packaging and packing of explosion-proof lamps should comply with the provisions of GB/T13384. The packaging wooden boxes should comply with the provisions of QB/T3742. 8.2 Storage
Explosion-proof lamps should be stored in a dry and well-ventilated warehouse, and the storage conditions should be inspected regularly (no more than 6 months).8~4.7.10. 5.19 Rectification effect
Test according to the method specified in 6.3.2 of GB3836,3-2000. The result shall meet the requirements of 4.7.11. 5.20 Mechanical test for screw lamp holder
Test according to the method specified in 6.3.1 of G133836,3-2000. The result shall meet the requirements of 4.7.15. 5.21 Shell strength
Test according to the method specified in 15.! of G133836.2-2000. The result shall meet the requirements of 4.7.6. 5.22 Shell material
Semi-metallic outer seal and non-metallic parts of shell shall be tested according to the provisions of 23.4.7 of GB3836.12000, and the result shall meet the requirements of 1.8.1 of Taiwan.
5.23 The hardness and aging test of elastic sealing materials shall be carried out in accordance with the method specified in Appendix D3.3 of GB3836.1-2000. The results shall meet the requirements of 4.8.3. 5.24 Thermal shock
The transparent cover of explosion-proof lamp glass shall be tested in accordance with the method specified in 23.4.6.2 of GB3836.1-2000. The results shall meet the requirements of 4.8.4.
5.25 Transmittance
The transparent cover of explosion-proof lamp glass Test according to the method specified in (B/T5433. The result shall meet the requirements of 4.8.4. 5.26 Shell protection
Test according to the method specified in GB1208. The result shall meet the requirements of 4.6 Inspection rules
6.1 Inspection classification
Explosion-proof lamp inspection is divided into type inspection and output inspection. 6.2 Type inspection
6.2.1 Inspection items
The items of type inspection shall be as specified in Table 5.
Table 5 Inspection items
Inspection items
General inspection
Structural inspection
High and low temperature
Tilt and swing
Power supply change
Insulation resistance
Dielectric strength
Electrical clearance and power distribution distance
Electromagnetic interference
Ball and light shield distance and protection net
Cable and wire entry device
Surface temperature
Rectification effect
Mechanical test of screw-type lamp cabinet
Shell strength
Shell material
Elastomer seal heat aging
Thermal shock
Light transmittance
Shell protection
Requirement article number
1.3 5~437
4. 7. 12-~4, 7. 14
4. 7. 17--4. 7. 22
4. 7. 1--4. 7. 3
4. 7. 8--4. 7. 10
Method: Power supply changes, no frequency change test is performed during factory inspection. Inspection method Article number
Type inspection
GB 12045--2003
Factory inspection
GB 12045-2003
6.2.2 Inspection sequence
Unless otherwise specified: Generally, the inspection shall be carried out in the sequence specified in Table 5. 6.2.3 Inspection samples
The number of samples for type inspection shall not be less than 2.
6. 2. 4 Judgment rules
Unless otherwise specified, all items shall be inspected on the same sample. When all the specified type inspection items meet the requirements after inspection, the type inspection shall be judged to be qualified. If any of the items do not meet the requirements, it is allowed to be re-inspected after troubleshooting. If the re-inspection meets the requirements, it is still judged to be qualified. If irreparable damage occurs during the inspection, double sampling shall be carried out for re-inspection. If the re-inspection still does not meet the requirements, the type inspection shall be judged to be unqualified.
6.3 Factory inspection
6.3.1 Inspection items
Factory inspection is specified in the table.
6.3.2 Inspection samples
All explosion-proof lamps shall be inspected.
6.3.3 Judgment rules
If any items that do not meet the requirements are found during the inspection, re-inspection shall be carried out after taking corrective measures. If the re-inspection still does not meet the requirements, the explosion-proof lamp shall be judged to be unqualified.
7 Marking
7.1 The explosion-proof lamp shall be marked with the explosion-proof type, category and level, temperature group and other marks. The marking method shall comply with the requirements of Chapter 27 of GB3836.12000.
7.2 A clear and permanent red convex and concave mark "Ex" and explosion-proof mark shall be placed on the obvious part of the explosion-proof lamp shell. 7.3 The nameplate shall indicate the following:
a "Ex\" mark on the upper right
b) explosion-proof mark;
e) lamp name, model, voltage, power, product number, certificate number, environmental source, factory date, manufacturer name; d) ship inspection mark.
7.4 Nameplates and warning signs should be made of brass or stainless steel, and their thickness should not be less than (.5mm: 8 Packaging and Storage
8.1 Packaging
The protective packaging and packing of explosion-proof lamps should comply with the provisions of GB/T13384. The packaging wooden boxes should comply with the provisions of QB/T3742. 8.2 Storage
Explosion-proof lamps should be stored in a dry and well-ventilated warehouse, and the storage conditions should be inspected regularly (no more than 6 months).4 Judgment rules
Unless otherwise specified, all items shall be inspected on the same sample. When all the specified type inspection items meet the requirements after inspection, the type inspection shall be judged to be qualified. If any of the items do not meet the requirements, it is allowed to be re-inspected after troubleshooting. If the re-inspection meets the requirements, it is still judged to be qualified. If irreparable damage occurs during the inspection, double sampling shall be carried out for re-inspection. If the re-inspection still does not meet the requirements, the type inspection shall be judged to be unqualified.
6.3 Factory inspection
6.3.1 Inspection items
Factory inspection is specified in the table.
6.3.2 Inspection samples
All explosion-proof lamps shall be inspected.
6.3.3 Judgment rules
If any items that do not meet the requirements are found during the inspection, re-inspection shall be carried out after taking corrective measures. If the re-inspection still does not meet the requirements, the explosion-proof lamp shall be judged to be unqualified.
7 Marking
7.1 The explosion-proof lamp shall be marked with the explosion-proof type, category and level, temperature group and other marks. The marking method shall comply with the requirements of Chapter 27 of GB3836.12000.
7.2 A clear and permanent red convex and concave mark "Ex" and explosion-proof mark shall be placed on the obvious part of the explosion-proof lamp shell. 7.3 The nameplate shall indicate the following:
a "Ex\" mark on the upper right
b) explosion-proof mark;
e) lamp name, model, voltage, power, product number, certificate number, environmental source, factory date, manufacturer name; d) ship inspection mark.
7.4 Nameplates and warning signs should be made of brass or stainless steel, and their thickness should not be less than (.5mm: 8 Packaging and Storage
8.1 Packaging
The protective packaging and packing of explosion-proof lamps should comply with the provisions of GB/T13384. The packaging wooden boxes should comply with the provisions of QB/T3742. 8.2 Storage
Explosion-proof lamps should be stored in a dry and well-ventilated warehouse, and the storage conditions should be inspected regularly (no more than 6 months).4 Judgment rules
Unless otherwise specified, all items shall be inspected on the same sample. When all the specified type inspection items meet the requirements after inspection, the type inspection shall be judged to be qualified. If any of the items do not meet the requirements, it is allowed to be re-inspected after troubleshooting. If the re-inspection meets the requirements, it is still judged to be qualified. If irreparable damage occurs during the inspection, double sampling shall be carried out for re-inspection. If the re-inspection still does not meet the requirements, the type inspection shall be judged to be unqualified.
6.3 Factory inspection
6.3.1 Inspection items
Factory inspection is specified in the table.
6.3.2 Inspection samples bzxZ.net
All explosion-proof lamps shall be inspected.
6.3.3 Judgment rules
If any items that do not meet the requirements are found during the inspection, re-inspection shall be carried out after taking corrective measures. If the re-inspection still does not meet the requirements, the explosion-proof lamp shall be judged to be unqualified.
7 Marking
7.1 The explosion-proof lamp shall be marked with the explosion-proof type, category and level, temperature group and other marks. The marking method shall comply with the requirements of Chapter 27 of GB3836.12000.
7.2 A clear and permanent red convex and concave mark "Ex" and explosion-proof mark shall be placed on the obvious part of the explosion-proof lamp shell. 7.3 The nameplate shall indicate the following:
a "Ex\" mark on the upper right
b) explosion-proof mark;
e) lamp name, model, voltage, power, product number, certificate number, environmental source, factory date, manufacturer name; d) ship inspection mark.
7.4 Nameplates and warning signs should be made of brass or stainless steel, and their thickness should not be less than (.5mm: 8 Packaging and Storage
8.1 Packaging
The protective packaging and packing of explosion-proof lamps should comply with the provisions of GB/T13384. The packaging wooden boxes should comply with the provisions of QB/T3742. 8.2 Storage
Explosion-proof lamps should be stored in a dry and well-ventilated warehouse, and the storage conditions should be inspected regularly (no more than 6 months).
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