This standard specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of KL type miner's lamps. This standard applies to KL type miner's lamps (hereinafter referred to as miner's lamps). MT 927-2004 KL type miner's lamp MT927-2004 Standard download decompression password: www.bzxz.net

ICS 73.1C0.25
Reference number: 15483—2005
Coal Industry Standard of the People's Republic of China
MI 927—2004
MndelKLcaplamp
2004-12-14
National Development and Reform Commission
2005-06-01Implementation
Normative references
Product classification
4 Requirements
Test methods
Inspection conditions
7 Marking, packaging, transportation and storage
Appendix A (Normative Appendix)
Safety performance of lithium-ion batteries
MT 927—2004
MT 927—2004
The fourth and fourth parts of this standard are regulatory, and the rest are derivable. Appendix A of this standard is a normative appendix:
This standard was proposed by the Science and Technology Development Department of the China Coal Industry Association. This standard is under the jurisdiction of the Coal Industry Coal Mine Special Equipment Standardization Technical Committee. The core units of this standard are: Shanghai Branch of the China Coal Research Institute, Guikuang Lamp Factory, Shenzhen Century Oasis Environmental Protection Investment Co., Ltd., and Zhuhai Wuhuai Electric Development Co., Ltd.
The main contributors to this standard are Jian Shou, Yuan Shizhan, Lu Ming, Wu Kangfeng, Liu Dao, and Pan Jie. 1 Specification
KI type mining lamp
MT 927—2004
This standard specifies the product classification, requirements, test methods, inspection rules, marking, installation, operation and storage of KL type mining lamps: This standard applies to EL type mining lamps, which are referred to as mining lamps below: 1: 2 Normative references
Many of the following documents are used as series of this standard through the use of this standard. For any referenced document with a date, all subsequent amendments (excluding the contents of the revision) or revisions are not applicable to this standard. However, the latest versions of these documents can be used according to the research results of this standard. For any referenced document without a date, the latest version is applicable to this standard. GIJS Packaging Storage and Transportation Pictorial Marking
GB/T282:-2002 Periodic Inspection Counting Sampling Procedures and Tables (for qualitative inspection of process taxes) G7S57·2003 General Requirements for Safety Performance of Lamp c9EC62013-11555) GB9969.1T General Principles of Industrial Product Instructions GB/T18237-2000 Specifications for Silver Ion Batteries for Mining MT/T154.6 Model Compilation of Mine Safety Lamps MT91 Mining Lamp Bulb
3 Product Classification
3. 1 Product Type
This type of mining lamp is a bay belt type, consisting of a lamp holder, cable and battery (including ion battery safety protection device and storage battery, etc.), and the lamp holder has two lights. The new lamp holder is on the mine safety cap. 3.2 Product Model
When reducing the product model, except for the L-type, all others shall comply with the provisions of MT/T151.6. Example!
Sa collection number
Free training
Dual lamp registration
Incense electric sign horizontal profit 8Ah
Plastic density on the painting battery
4 Requirements
4.1 Basic parameters of the product
4.1.1 The specific parameters of the product shall be in accordance with the provisions of Table 1. 4.1.2 For products with a rated capacity less than 7 Ah, except for the rated current of the bulb, other parameters shall be in accordance with the provisions of Table 1 for products with a rated capacity of 7 Ah.
MT 927—2004
Table 1 Basic parameters of the product
Bulb: Main source
Rated current E
Rated current
Light flux
Quantity (x (m)
ar For products using concentrated (I) light sources, in addition to the rated current and luminous flux of the light source, the common parameters shall comply with the provisions of Table 1. 4.1.3
4.2 Manufacturing
Mining lamps shall comply with the requirements of this standard and shall be manufactured in accordance with the samples and technical documents approved by the current standard procedures. 4.3 Safety performance
4.3.1 The safety performance of mining lamps shall comply with the combustion performance of GB795720C9. The safety performance of steel ionization lamps shall comply with the provisions of Appendix A. 4.3.2: Be careful not to install P1 protection resistor inside the battery or the single battery. 4.4 Light source
At least 2 light sources should be installed in the lamp holder. The luminous flux of the main light source should comply with the requirements of Table 1: The rated power of the auxiliary light source should be not less than 1W. When the auxiliary light source is used as auxiliary light, the rated thermal conductivity should be not less than 0.4W. 4.5 Appearance
The appearance should be neat, smooth and neat. All parts should be positioned and installed, firm and without looseness. The rotating parts should rotate smoothly, have good contact and no axial movement.
4.6 Automatic power-off device
The lamp with automatic power-off device should be able to withstand the tests of 5.3 and 5.11. 4.7 Charging system
When charging the mining lamp, the charging contact point should be in good contact to ensure that the charging is carried out. 4.8 Polarity
The polarity markings of the header and the filter should be consistent. 4.9 High battery capacity
4.9.1 The capacity of the battery is expressed as 10F rated capacity C (41). The actual capacity should reach the agreed capacity within 5 capacity tests.
4.9.2 Rated capacity C% is specified in the table. The electrification conditions are ambient temperature (255), discharge current = Cu/5 (A), and the discharge stop voltage is indicated by the manufacturer, but should not be lower than 2.75V. 4.10 Illumination
The maximum illumination width of the mining lamp at the beginning and the end of the lighting period shall comply with the provisions of Table 1. 4.11 Overcharge protection
After the test specified in 5.8, the battery shall not be deformed, ignited, smoked or damaged. 4.12 Overdischarge protection
After the test specified in 5.9, the battery shall not be deformed, ignited, smoked or damaged. 4.13 Environmental performance
MT927-234
After the test specified in 5.10, the battery shall not be ignited, smoked or damaged, and at least one light source can work normally. 4.14 Mine lamp strength and decay
The miner shall be able to pass the test specified in 5.13. After the test, there shall be no damage, smoke, explosion or significant loss that endangers safety, and at least one light source can work normally. 4.15 Cable fixing device
After the test specified in 13, there should be no phenomenon of falling off, breaking, mechanical deformation and joint loosening. 4.16 Short circuit protection
The mining lamp should be equipped with a reusable short circuit protection device, and the circuit protection device should be equipped with a lithium ion battery. The circuit protection device should ensure that the circuit is cut off within 15s when the lamp is short-circuited. 2.17 Cycle life of the battery
The cycle life of the commercial battery should not be less than 500 charge and discharge cycles. 4.18 The storage period of the battery is calculated from the date of production. The effective storage period is half a month. During the storage period, its capacity should meet the minimum requirements. 5 Test method
5.1 Test instrument and its requirements
5.1.1 DC voltmeter
Accurate.
5.1.2 The accuracy of DC ammeter
shall not exceed 1.00.
5.1.3 The accuracy of clock
shall not exceed 1/1.00. It shall be divided into hours, minutes and seconds. 5.1.4 Thermostat
The division value shall not exceed 1.
5.1.5 The accuracy of temperature meter
shall not be less than 1.00.
5.2 Appearance and assembly quality inspection
Manual inspection and daily inspection.
5.3 Automatic power-off inspection
Light up the lamp, turn on the lamp, find the center of the moving lamp glass, press and release 3-5 times, and turn off the power immediately after each release. 5.4 Quick check of charging system
Connect the charging contacts of the battery to the charger rack, and the battery should be able to charge normally. 5.5 Polarity check
Use a device or equipment for monthly inspection:
5.6 Battery quality test
5.6.1 Before the battery is tested for quality, discharge it for 1 second before stopping the battery: this time will not be counted in the number of capacity cycles. 5, 6. 2 Regular charging
Use 21V of current to charge the battery. When the battery voltage reaches (4.2±0.05)V, change to constant positive 4.2V charging. It is recommended that the charging current is small, and the longest charging time should not be greater than the charging time. Note: The industry can charge the battery according to the method of production unit loss supply. 3
MT 927—2004
5.6.3 Effective discharge
After each charge, discharge the battery with a current of 1.00 to the full value, and record the discharge time of 1.5.6.2 Battery capacity The battery capacity is calculated according to formula (1). The actual battery capacity is in ampere-hour (Ah); the maximum unit is in hours. 5.6.5 Ambient humidity The ambient temperature for the air test is (°C) 5.7 Periodic test After the mining lamp is fully charged according to the provisions of 5.6.2, let it stand for 1 hour, put the lamp head in a special dark box (the inside needs to be painted black) and place the lamp head in a special dark box (the inside needs to be painted black). The lamp is lit and the light is turned on. The structure of the dark box is shown in Figure 1. T head
Light receiver
Figure 1 Light test box schematic
5.3 Overcharge protection test
After the battery is charged according to the provisions of 3.3.2, continue to charge with a current of 1 inch, 125°C, or the voltage at the end of the charge reaches a positive voltage, the charging circuit can be automatically cut off. 5.9 Over-discharge protection test
The battery is charged with a current wave until there is no current in the discharge circuit. When the current reaches the limit, the power circuit can be automatically cut off. 5.10 Environmental performance test
After the lamp is fully charged according to the provisions of 5.6.2, put it in a constant temperature box (7521 for 48 hours), and then store it in a low temperature box (-2=2) for 5 mic hours. Take the miner's lamp out 5.11 Automatic power-off device performance test
Light the bulb, loosen the lamp ring to make the bulb filter fire. Press the lamp glass core, press the purple effect 5 times, and the power will be cut off immediately each time. 5.12 Lifting test
Carry out according to the test method specified in H7957-29935.3. 5.13 Electric energy fixed micro-control extension test
Carry out according to the method specified in GB7357--2003. 5.14 Bulb luminous flux test
Test and judge according to the provisions of MT 1. 5.15 Short circuit protection device test
5.15.1 Circuit protection device inspection
According to the diagram? Press the circuit (no night 5.15.2 Short-circuit protection action test
MT927—2004
Lamp batch 6.? After charging, connect the circuit and light the bulb, close the switch K after heating, and measure the short-circuit protection action time.
+lamp battery!
head and battery pack
indicator point
Figure 2 Schematic diagram of short-circuit protection action endurance test
5.1E Battery cycle life test wwW.bzxz.Net
5.1E.1 Fully charged capacity test according to the provisions of 6.6, after passing the test, the life span is 2000. The number of cycles of the capacity test is calculated as the total life average.
5.16.2 After the battery is charged according to the provisions of 5.6.2, it is left alone for 1 hour, and then discharged at the rated current of the standard lamp specified in Table 1 for 11 hours or until the terminal voltage of the battery reaches the end of the life cycle. After the discharge is completed, it is left alone for 1 hour before the next charge and discharge cycle is carried out. 5.16.3 When conducting the life test, the capacity is checked every 25 times, and the capacity check is carried out according to the provisions of 5.6.2.5.6.3 and 5.5.4. If the capacity obtained in the test is 8 of the three values, it is repeated by the speed method. If the three tests do not reach 0% of the driving temperature, it is regarded as the end of life.
5.16.4 The ambient temperature of the life test is (25 ± 5). 5. 17 Storage period test
The high-density battery for storage period test should be selected from the high-density battery with less than 3 months from the date of production to the date of inspection. The battery should be charged to 40% 5C before storage, and then stored in an environment with a temperature of 0-40℃ and a relative humidity of 45%-90%. After the storage period expires, it should be tested according to the test method specified in 5.
Qualification test
6.1 Factory inspection
6.1.1 Factory inspection should be carried out according to the inspection items in Table 2. When all the inspection items meet the requirements of this standard, the inspection is judged to be qualified. If any test item does not meet the requirements, the inspection should be stopped, and the unqualified items should be analyzed and the original judgment should be taken. After the inspection is carried out, the inspection can be continued. If the new inspection is qualified, it is still judged to be qualified for the factory inspection! If the updated inspection still does not meet the requirements, it is judged to be unqualified. Table 2 Factory inspection items Inspection items External limit and mounting inspection Automatic power off function Charging system inspection Sensitivity inspection Short circuit protection device inspection MT 927—2004 6.1.2 Mining lamps shall be inspected in accordance with this standard and may leave the factory only with a quality certificate. 6.2 Type inspection
Type inspection should be carried out for new products or test products in transition to production when any of the following situations occurs: After production is stopped: When the overall structure, materials, and processes have undergone major changes that may affect product performance; During regular production, and during the resumption of production after suspension:
When the national quality supervision and inspection agency makes a requirement; When the factory inspection results are significantly different from the last type inspection. The inspection items, requirements, test methods and inspection period, sampling and inspection of the formal inspection shall comply with the provisions of Table 3. Table 3 Type inspection
Inspection items
Appearance and assembly quality inspection
Automatic power-off control inspection
Charging system control inspection
Polar inspection
Vertical battery setting test
Illumination test
Charging single insurance test
Over-effective insurance test
Environmental light test
Dynamic breaking and quality performance test
Electric makeup return control test
Road protection device inspection
Environmental test
Storage period inspection
Quality inspection!
One month
One month
One month
One month
October
One month
The samples for type inspection shall be taken from one or more batches that have passed the factory inspection.EQ
Scheme
A-IR=3
Au=1 R.m2
A,=R-1
AR -2
6.2.4 When carrying out type inspection, the test groups specified in Table 1 shall be followed and carried out in the order of first instance (unless otherwise specified in the contract). Finally, the total number of unqualified products is accumulated according to the test groups. According to 11.2 of B/T2829--2002, it is stipulated whether each test group is qualified. The type inspection must be qualified for all test groups. Otherwise, it is like a vertical inspection. Unqualified. Marking, packaging, transportation and storage
7. 1 Marking
7.1.1 The following permanent markings are placed on the appropriate part of the front battery file: product number
note trademark;
manufacturer! Name
The following permanent marks shall be placed on the appropriate parts of the lamp: 7.1.2
Explosion-proof mark "Fx[\ and explosion-proof certificate
Safety mark\MA\ and its approval certificate; Production date or number:
Implementation standard number
7.2 Packaging
The outer wall of the packaging shall have the following marks:
Product name, number and quantity:
Year and month of production;
Overall dimensions (mnxmm×m): length×width×gross weight, kg;
"Avoid rain"\No rolling\ and other samples or marks, the graphics of which shall comply with the provisions of G191; Model factory name and address:
Safety mark approval certificate number.
The technical documents supplied with each box of products are as follows, 7.2. 2
Product certificate:
Product manual, the product manual shall comply with the provisions of GB9969.1. by
7.3 Transportation
MT 9272004
During transportation, the mining lamp shall not be subjected to strong mechanical impact and exposure to the sun, and shall not be carried, and shall be strictly prevented from falling, rolling, and crushing. 7.4 Storage
The mining lamp shall be stored in an environment of 0-49. The environment shall be clean and well ventilated, and the working environment shall be away from fire and hot alcohol
MT 927—2004
Appendix A
(Normative Appendix]
Safety performance of lithium ion battery
The lithium ion battery used as the power source of mining lamps must meet the following safety performance requirements. The safety performance test report is provided by the battery manufacturing unit. The mining lamp inspection form does not require inspection. 1. The test report
should comply with 4.9.1 of GE/T18287—2000: point.2 Thermal shock
shall comply with the provisions of 4.9.2 in GB/T18287-200. 4.3 Overcharge
shall comply with the provisions of 4.9.3 in GB/118287-00. 4.4 Short circuit
shall comply with the provisions of 4.3.4 in GB/T18287-200C.
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