GB 12267-1990 General requirements and test methods for marine navigation equipment
Some standard content:
131C:629.12.014
National Standard of the People's Republic of China
GB1226790
Marine navigation equipment: General requirements and test methods for marine navigation equipment Issued on 1989:12.14
Implemented on 1991-07:01
Issued by the State Administration of Technical Supervision
【Subject content and applicable scope】
Referred to as standard·
General requirements
Long test parts·
Part 2
Testing methods
Short loop test
National Standard of the People's Republic of China
Marine navigation equipment: General requirements and test methods for marine navigation equipment rwjuinx tust regultsGE1226790
This standard is equivalent to the International Commission Standard C945 General requirements for marine navigation equipment - Test methods and test results required?
1 Content and application scope
This international standard stipulates the general requirements and test methods for marine navigation equipment. For those with special requirements, it can be quickly standardized. This standard is applicable to the navigation equipment installed on ships under the 1974 International Convention for the Safety of Life, Chapter 12 of the Convention, and is also applicable to other ship navigation equipment: 2 Guidance Standard
G2123.16 Basic Environmental Test Specification for Marine Industry J: Long visit method 212 3.18 Basic environmental test specifications for electrical products Test K: Alternating salt spray test method (effect of sodium chloride droplets) GB3785 Electroacoustic performance and test methods of sound level meters GB42U8 Classification of external protection levels
(H5465.2 Graphic symbols for air conditioning equipment
GFI13 Basic electromagnetic resistance test
Chapter 3 General
3.1 Marine induction equipment (the following information should be modified according to the relevant test data in the second The following two items are required by the manufacturer:
When the manufacturer holds the annual test and salt zero test integration report of the component materials and coatings used in the equipment, the test can be carried out first
b. If there is no equipment in the radio frequency sensitive trade area, the light radiation test can be exempted, or the normal position of such equipment can be modified to its allowable limit
3.2 If the equipment is equipped with auxiliary equipment not included in the equipment standards discussed in this standard, the equipment shall be checked The above operation and maintenance shall not be lower than the performance of the equipment and equipment standards.
4 Operation
4. The structure of the equipment should enable operators to operate accurately and accurately. 4i.1 The equipment should be of appropriate size, and its structure, configuration and operation should be simple and flexible to ensure that operators can operate effectively and minimize false operations.
National Technical Supervision Bureau approved 199F6101 implementation on December 14, 1989
CB 1226—90
4.1.1.1 For operating controllers that may cause accidental operation of the equipment and the display of the equipment, they should be marked and prevented from accidental operation.
4.1.1.2 For the dials with digital symbols from "(\ to \9\, the number arrangement is recommended to be in the format of Figure !2
4.1.1.3 If the digital display is used instead of the radio display, the equipment should be equipped with a test circuit that can detect the kinetic energy of each digital unit.
4.1.2 All control The controller should be easy to adjust and the operating position of the equipment should be easy to identify. 4.1.2.7 The controller should be marked with letters or symbols. The use of symbols should comply with the provisions of GD5165.2. 4.1.2.2 The equipment should be designed so that the misuse of the controller will not cause damage to the equipment. 4.1.2.3 When the operator needs to observe the relevant indication function during training, the indicator should be clearly visible when operating a certain controller. 4.1.3 When the equipment is installed in a place with low light intensity, appropriate lighting should be provided to enable the controller to be identified and the display data to be observed at any time. 4.1.1 It should be clear that the light is not illuminated and can be adjusted, and the sound is not turned off, except for the lighting indicators used for warnings and alarms. 5 Power supply
5.1 When the power supply on board fluctuates, the equipment shall continue to work in accordance with the requirements of relevant specifications. 5.1-1 The equipment shall work normally under the condition of power supply changes. AC: deviation from rated voltage +10%Www.bzxZ.net
deviation from rated voltage of vehicle (76 not
DC: deviation from rated voltage
grid power supply +10%
—20%
battery
—10%
5.2 The equipment shall have protection devices to prevent over-current tripping, over-voltage, power reduction and wrong polarity or phase sequence. 6 Environmental performance
B.! The equipment can work under various sea conditions, dynamics, humidity and temperature changes. 6.1.1 The equipment is divided into the following three categories:
A Class A equipment with atmospheric protection or single light.
Class X - equipment or unit for airborne navigation, Class S - equipment or unit for diving or continuous swimming. 6.1.2 Each unit of the equipment shall be marked with identification marks. If symbols are used as marks, they shall comply with the provisions of Figure 2. 3
CB12267-90
7.1 All reasonable and feasible measures should be taken to eliminate the causes of electrical interference between the navigation equipment and other equipment on board and to suppress such interference.
7.1.1 The design of the equipment shall ensure that the equipment can work normally in the electromagnetic environment of the ship. 7.1.2 Practical measures should be taken to ensure that the navigation equipment will not cause any negative interference to other equipment on board. 7.2 The noise of each unit should be limited so that it will not affect the listening of sounds related to ship safety. 3 For each equipment sensing unit to be installed near a standard compass, the minimum safety distance from these compasses should be clearly marked.
8 Protection
8.1 The structure and installation of the equipment should facilitate inspection and maintenance. 8.1.1 The equipment should be designed so that the main unit, miscellaneous components and any components with an expected life of less than 1500h can be repaired more quickly and conveniently without the need for re-validation and adjustment.
8.1.2 The structure of the equipment should facilitate inspection and maintenance of internal components after the equipment is installed on board. 9 Safety
9.1 Measures should be taken to prevent people from accidentally approaching dangerous electrical devices inside the equipment. 9.1.1 The equipment must be equipped with disconnect switches, door switches, high-voltage capacitors, meters and other accessories to ensure that the operator is not exposed to high voltage. 1.2 The equipment should be designed so that the high voltage can only be touched by insulated tools such as hands or screws, and obvious high-voltage warning signs should be set inside the equipment, stating: "High voltage (except for direct current or alternating current (rated voltage)) The instantaneous voltage combined is greater than bUV. 9.1.3 When the power supply terminal of the equipment on board is connected, the equipment 9.2 All feasible measures should be taken to ensure that the radiation energy from the equipment, including the radiation bottle and X-ray transmission, does not cause harm to the workers. 9.2.1 When the X-ray radiation generated inside the equipment exceeds the limit of 16.2.2, obvious warning signs should be installed on the equipment, and the precautionary measures to be taken should be stated in the instruction manual. 9.2.2 If any part of the equipment fails, it may cause X-ray radiation. The increase of radioactive propellant must be appropriately set in the instruction manual, and the new environment that may cause the test must be warned, and the precautions that should be taken should be explained. 30
0.1 The equipment instruction manual has the internal wear that the operator can effectively operate and perform maintenance. 3
H1226790
10.1.1 For the vehicle registration, when the equipment is modified, the circuit components should be placed in the country, and the maintenance list should be provided. The fault inspection table should have detailed instructions and diagrams. When the actual fault inspection and repair are not up to standard, the defective modules should be inspected and repaired in detail to ensure the correct position and identification.
10.2 The equipment should be equipped with nameplates on the outside to indicate the equipment number. 10.2.1 The name of the equipment, manufacturer, unit model, factory code (code table can be used) and the distance from the compass (single micrometer) should be marked on the front of each unit of the equipment: 10.2.2. The equipment shall be marked on the indicated unit or on a key unit in the actual position. The manufacturer shall mark the equipment type or name and the inspection route.
Uncle 2. Box test method
17 General
Door.1 The test shall generally be carried out in a test organization that has been approved by the manufacturer. The equipment shall be installed and confirmed to be working properly before the test.
11.2 The equipment shall be tested again in accordance with the provisions of the following chapters. During each test and after the test, a daily power supply check shall be carried out. The temperature rise and fall rate in the test box (room) shall not exceed 1 unit/mia.11.5 Except for electrical tests and energy tests specified by the transmission technology, the power supply voltage of the equipment shall be the rated voltage, and the AC power supply rate shall be the rated rate. 1E.4 Unless otherwise specified in the specification, the performance plan used in the standard refers to a brief test that is relatively close to that required by the standards and can generally be completed within 5 to 1 minute. The equipment specification should specify the test items that are particularly noted in the performance plan. If the equipment standard does not have such optional items, the test needs to be carried out in accordance with the overall requirements. The performance of the equipment in the performance test should not exceed the requirements of the equipment standard.
11.5 For the relevant requirements in the first part, if the specific test method is not specified in this part, it shall be achieved by checking the equipment, making it suitable for inspection or according to the relevant documents.
11.6 The equipment manufacturer shall provide technical documents and certificates that can be properly installed, maintained and operated during the formal type test period; 12 Operation
12.1 The equipment shall be inspected while it is being operated. : 2.2 Each control position of each control group provided shall be checked to ensure that it can complete the designed function and operate as required
12.3 Lighting shall be checked to ensure that the lighting width meets the requirements of operating the equipment under various light conditions. The dimming device of the panel lamp shall be checked to ensure that it can be adjusted from bright to dimmed.
13 Power supply
13.1 According to the requirements of 5.1, the equipment shall meet the performance requirements specified in the equipment standard when the power supply is rated for 5min or other time specified in the standard or other time specified in the standard:
13.2 If the equipment standard has requirements, the equipment shall accept the reverse polarity or wrong phase sequence power input test for 6 seconds, and then connect the power supply in the normal way to test the equipment performance. 14 Environmental test
T4.1 High temperature test
14.1.1B Equipment
GH 12267 90
14.1.1.? Place the equipment in a test chamber under room temperature conditions, then raise the temperature to b5±3℃, keep warm for 1h or in accordance with relevant regulations for obtaining the required temperature
[4.1.-2 At the end of the time specified in Article 14.1.1.1, the various temperature control devices provided in the equipment may be used. 14.1.1.3 After 20 minutes, the equipment shall be powered on and its continuous working standard shall be changed for 2h. During the comparison period, the performance of the equipment shall be tested. 14.1.1.4 In Articles 14.1.2 to 14.1.1.3 During the specified full time, the temperature of the test room is maintained at 5+3°C. 14.1.2 Test equipment
14.1.2.1 Place the equipment in the test chamber (case) 1 as designed in the test, and then raise the temperature to 70=3°C for 10 min or other time as specified in the regulations.
14.1.2.2 At the end of the time specified in 14.1.2.1, the control device provided by the equipment can be turned on to reduce the temperature of the test room to 55+3°C within 36 min.
14.1.2.3 At the end of the time specified in 14.1.2.2, power on the equipment to make it work continuously for at least 2t. During this period, the temperature is maintained at 55=3°C, and the performance test of the equipment is allowed. 14.1.3 B and X equipment
At the end of the time specified in 14.1.1.3 and 14.1.2.3, the equipment shall remain in the test chamber (room). The temperature of the test chamber (room) shall be at least 10°C to the home temperature condition. At this time, the equipment shall be subjected to the next test under the temperature condition for at least 3 days. 14.2 Thermal test
14.2.1 B and X equipment
; 4.2.1.1 After the equipment is put into the test chamber (room) at room temperature, the temperature shall be raised slightly to 4°C+3°C at 3+5°C. The humidity shall rise by (3+5). This state shall be maintained for 1 hour or more in accordance with the relevant regulations. 14.2.1.2 When the temperature of the equipment is raised to the home temperature condition for at least 3 days, the equipment may be subjected to the next test under the temperature condition for at least 3 days. 14.2.7.33Gmin after the equipment is powered on, it shall be operated continuously for 2h: during this period, the equipment shall be checked for performance. 14.2.1.4 During the time covered by 4.2.1.2 to 14.2.1.3, the test chamber (room) shall maintain the temperature and humidity specified in 14.2.3.1. 14.2.! -5 At the end of the time specified in 14.2.13, the equipment shall be placed in the test chamber for 1h and then the temperature and humidity of the test chamber (room) shall be restored to the specified temperature conditions in not less than 1h. If the equipment is exposed to the air for at least 3h or until the visible gas has dissipated, the next test may be carried out. 14.3 Low temperature test [4.31 B-type equipment] 14. .51.1 The equipment is placed in a test chamber (room) under ambient conditions and then subjected to a temperature barrier of 15°C for 10 hours. Or other time as specified in the relevant regulations.
14-3-1.2 At the end of the time specified in 14.3.1.1, the product can be installed with the product certificate provided in the agreement. ;4.3.1.3 After 30 minutes, the equipment should be powered on and operated continuously for 2 hours. During this period, the temperature should be maintained at 15°C. 3, and the equipment performance should be tested.
14.3.2 Class X equipment
Modify the equipment according to the procedures specified in 14.1.6 Class 6 equipment and perform the test. Add the temperature change of the room: 2 hours
14.3.3 Class B and Class X equipment
In 14.3.1. 3. At the end of the time specified in the test plan: the equipment is still placed in the test box (room), and then the temperature of the test box (room) should be restored to the reconstructed temperature in no less than 1 hour. Under this condition, the equipment is exposed for at least 3 hours or until the air has been slightly emitted (the longer time is selected), and the next test can be carried out. t4.4 Vibration test (various types of equipment)
14-4.1 Place the equipment on the vibration table according to the actual use status. If the vibration table does not bear the weight of the equipment, the equipment can be transferred. The driver should take appropriate measures or small measures to eliminate the impact of the electromagnetic field generated by the vibration device on the performance of the equipment. 5
GB12267-90
14.4.2 The equipment should withstand vertical vibration of the above range of frequencies at each frequency within the following range: 5--12. 5 Hz,
12. 5~25 Hz
25--50 H-,
bandwidth=1. 6 mm,
width=0. 38 mm,
carbon=0.10 mmt,
scan each frequency band to ±15 mm.
error=±%.
Pen 2%.
tolerance=1%.
14.4.3 The following tests may be used in place of the 12.5-~200Hz and 25-~500Hz tests specified in 14.4.2. The vibration is present at all frequencies from 12.5~-50Hz. A constant load of 10m/g (+10 not >) must be applied. The time through the entire frequency range is at least min.
14.4. During each dialing or test, a resonance trend check shall be carried out. If the basic vibration of the equipment is unacceptable, the manufacturer shall take necessary measures to reduce the harmonics to an acceptable level after consultation, or the equipment shall be subjected to a standard vibration endurance test at each vibration frequency. The magnitude of the vibration endurance test frequency shall be determined according to the manufacturer's requirements. In case of any circumstance, the test time shall be no less than 2 hours as specified in 14.4.2 or 14-4.3. [4.4.5 In the test specified in 14-4.2 or 14.4.3, performance testing shall be carried out. 14.4.6 According to the opinions of the relevant test user, the above test may be carried out in a perpendicular direction
14.5 Water spray test (for Class X equipment) Direction, graded direction
14.5.1 The equipment shall withstand the pre-spray test specified in G420. During the entire acidification process, the equipment shall operate normally. 74.5.2 The equipment shall be sprayed with water in all possible directions. The parts are as follows: nozzle inner diameter, 12.5ml
Total volume: 100±5L/min
Nozzle water level: about 1kP
Test time: 30min
Distance between spray outlet and equipment surface: 3Ⅱ, injection, adjust pressure to make sure the equipment reaches the standard. When the water level is 1CDP, the equipment shall be inspected after the test. There shall be no sign that water has entered the parts that may affect the performance of the equipment. 14.6 Flooding test (for S-type equipment)
14.6.1 The parts of the equipment in contact with water shall be subjected to a water pressure of UkP of 5 hours for 12 hours. The rest of the equipment shall be inspected for damage and whether the parts not in contact with water are always in contact with water. Performance test shall be carried out after measurement. 14. Flooding test (for all types of equipment)
4.1 Both the materials and the materials of the equipment shall be subjected to flooding test. 14.7.2 The long acid test method is from GB 2423.16, but the temperature of the test box (room) is 29±1 and the relative humidity is not less than 95. During the test, the equipment should be inspected for bacteria growth. 14.8 Beneficial test (for various types of epidemic prevention equipment) 14.81 The test method shall be in accordance with the requirements of GB2423.18, but must meet the following requirements! Salt reduction should be carried out on seawater with an H value between 7.5 and 8. (2>, add 1% condensed water to the following ingredients. Flocculation solution
Magnesium vegetable acid
Polychemical
Sodium phosphate
Binhua system
Each of the above ingredients is allowed to produce an error of ± , GE12267-80
When inspected , sodium chloride molten liquid is also used when a single makeup is used. Its requirements are the same as those of Article 2 of B2423.18. b The product should be placed in a test environment at a temperature of 40 ± 2 °C and a relative humidity of 95 °C for 7 cycles after each spray for 1 h.
14.8-2 After the test, the external surface of the device shall be tested. There shall be no excessive damage or corrosion to the components, materials or parts. Then the performance of the equipment shall be tested. The equipment shall be free of traces of moisture inside the equipment. 15.1 Controller
Adjust the controller that has an effect on the transmission or timing interference level during the maximum resistance to determine the maximum radiation level. If the equipment has more than one power-on state, such as "working", "life", etc., each state shall be tested or 15.2 Strong conduction 15.2.1 Excellent 15.2.1.1 When using the 15.2.3.1 1%.2.3.9.2 specified 5 test methods, in the 10 ~ CMI1z question sharing national figure, the radio frequency voltage on the power supply line of the device is not more than the limit shown in Figure 3, 15.2.1.2 When the small continuous tree is radiated by self-voltage, the method specified in 15.2.3.2.1 should be used for melting, and the measured rated current shall not exceed the limit shown in Figure 4:
, the continuity of the line is unchanged and only the bandwidth is changed by the reduction of the quantity. 15.2.2 Detector
15.2.2.1 Electromagnetic interference (hereinafter referred to as interference detection) This standard adopts the standard selected by the fear of detection data to meet the requirements of the fourth paragraph of the 113 of the Taiwan Standard, 15.2.2.2 Artificial power supply network, such as artificial power supply network, shall meet the requirements of GB6113, GB12267, GB1226790: 5.2.2.3 Current probe (GB12267: 90: 5.2-2.4 Voltage probe If the current probe is used, it shall meet the requirements of GB6113, 15.2-2.4 Voltage probe If the positive probe is used, the total current and voltage of the line to ground shall be 15.2, and it shall be arranged according to Figure 5. The following voltage values are calculated according to the formula: Interference voltage --- the voltage indicated by the instrument; P --- the input impedance of the measuring instrument, only, electric heating x 2s13c0 15. 2.3 Test method
15.2.3.1 Preferred test method
The model shall be based on the provisions of 15.2.2.2, so that the high thermal resistance specified in the test circuit can be achieved at each end, and the large electrical signal at the test terminal can be used to compensate for the commercial use. 15-2.3.1.1 All test equipment and general test equipment should be connected to the ground plane for measurement. If the ground plane cannot be quickly connected, the metal frame (or other equivalent grounding device) of the equipment under test should be used as the foundation. The equipment should work under normal power supply and load conditions. The connection between the equipment and the grid terminal should be cut off, and its length should not exceed 1 cm. 15.2.3.1.2 The test frequency should be lower than 150kHz. In the range of 16~150kIIz, the bandwidth of T is 200FIz. When the pulse is close to or greater than this bandwidth, the test should be carefully adjusted to obtain the maximum response. 15.2.3.2 Alternative test method || t If it is not practical to use an isolation network or disconnect the wires, and connecting a resistor in the circuit will affect the function of the device under test, then the following method can be used, and the measurement should be performed when the device under test is as close to normal working conditions as possible: 15.2.3.2.1 Current probe method
The current probe should be installed as close to the device under test as possible to the entire cable bundle or cable. If the effective voltage of the entire cable bundle or cable exceeds the rated voltage, it should be connected to the rated voltage. 15.2.3.2.2 Voltage probe method
The voltage probe should be connected as shown in Figure 5, and measurements should be made between each wire and ground. The used mounting should not have any effect on the test voltage. 102 Artificial power supply network, such as artificial power supply network, shall meet the requirements of GB6113 subsection, GB12267, GB1226790: 5.2.2.3 Current probe (GB12267: 90: If the current probe is used, it shall meet the requirements of GB6113 subsection B, 15.2-2.4 Voltage probe If the positive current probe is used, the total current and voltage between the line and the ground shall be 15.2, and it shall be arranged according to Figure 5. The following voltage values are calculated according to the formula: 1. Interference voltage --- measured voltage indicated by the instrument; 2. P -- measured input impedance, only, 2.15.2. 3.2.3.1 Test method
The preferred test method
shall be based on the T type specified in 15.2.2.2, so that the high thermal resistance can be provided between the terminals of the equipment, and the large signal between the terminals of the test circuit can be compensated. 15-2.3.1.1 All test equipment and general test equipment should be connected to the battery for measurement. If the grounding plate cannot be quickly connected, the metal rack (or equivalent) of the equipment under test should be used as the foundation. The equipment should be operated under normal power supply and load conditions. The connection between the equipment and the grid terminal should be cut off, and its length should not exceed 1 cm. 15.2.3.1.2 The frequency should be lower than 150kHz. In the range of 16~150kIIz, the bandwidth of T is only 200FIz, and the connection should be made on the basis of the foundation. When the pulses are close to or larger than this bandwidth, care should be taken to obtain the maximum response. 15.2.3.2 Alternative test method
If an isolation network cannot be used, or if the wire cannot be disconnected, and the insertion of an impedance in the circuit will affect the function of the device under test, the following method may be used, and the measurement shall be made when the device under test is as close to normal working conditions as possible: 15.2.3.2.1 Current probe method
The current probe shall be installed as close to the device under test as possible to the entire bundle or cable. If the effective current of the entire bundle or cable exceeds the rated value, it shall be connected to the rated value. 15.2.3.2.2 Voltage probe method
The voltage probe shall be connected as shown in Figure 5, and measurements shall be made between each wire and ground. The used mounting shall not affect the test voltage. 102 Artificial power supply network, such as artificial power supply network, shall meet the requirements of GB6113 subsection, GB12267, GB1226790: 5.2.2.3 Current probe (GB12267: 90: If the current probe is used, it shall meet the requirements of GB6113 subsection B, 15.2-2.4 Voltage probe If the positive current probe is used, the total current and voltage between the line and the ground shall be 15.2, and it shall be arranged according to Figure 5. The following voltage values are calculated according to the formula: 1. Interference voltage --- measured voltage indicated by the instrument; 2. P -- measured input impedance, only, 2.15.2. 3.2.3.1 Test method
The preferred test method
shall be based on the T type specified in 15.2.2.2, so that the high thermal resistance can be provided between the terminals of the equipment, and the large signal between the terminals of the test circuit can be compensated. 15-2.3.1.1 All test equipment and general test equipment should be connected to the battery for measurement. If the grounding plate cannot be quickly connected, the metal rack (or equivalent) of the equipment under test should be used as the foundation. The equipment should be operated under normal power supply and load conditions. The connection between the equipment and the grid terminal should be cut off, and its length should not exceed 1 cm. 15.2.3.1.2 The frequency should be lower than 150kHz. In the range of 16~150kIIz, the bandwidth of T is only 200FIz, and the connection should be made on the basis of the foundation. When the pulses are close to or larger than this bandwidth, care should be taken to obtain the maximum response. 15.2.3.2 Alternative test method
If an isolation network cannot be used, or if the wire cannot be disconnected, and the insertion of an impedance in the circuit will affect the function of the device under test, the following method may be used, and the measurement shall be made when the device under test is as close to normal working conditions as possible: 15.2.3.2.1 Current probe method
The current probe shall be installed as close to the device under test as possible to the entire bundle or cable. If the effective current of the entire bundle or cable exceeds the rated value, it shall be connected to the rated value. 15.2.3.2.2 Voltage probe method
The voltage probe shall be connected as shown in Figure 5, and measurements shall be made between each wire and ground. The used mounting shall not affect the test voltage. 10
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