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FL6135, Military Standard of Electronic Industry of the People's Republic of China
SJ 20768--1999
Specification of FT series thermal batteries
Thermal batteries for FT systemspecification for
Published on November 10, 1999
Implemented on December 1, 1999
Approved by the Ministry of Information Industry of the People's Republic of China 1 Scope
Military Standard of Electronic Industry of the People's Republic of China FT series thermal battery specification
Thermal batteries for FT system specification for1.1 Subject Content
SJ 20768--1999
This specification specifies the general requirements, quality assurance provisions and delivery preparation for thermal batteries used in anti-tank missile weapons. 1.2 Scope of Application
This specification applies to thermal batteries used in anti-tank missile weapons. 2 References
GJB1430—92 General Specification for Thermal Batteries
GJB1765—93 Packaging Marks for Military Supplies
GJB37687 Reliability Assessment Method for Explosive Devices 3 Requirements
3.1 Related Detailed Specifications
The individual requirements of the product shall comply with the requirements of the related detailed specifications. If the requirements of this specification conflict with the requirements of the related detailed specifications, the related detailed specifications shall prevail. 3.2 First Article
When specified in the contract or order, the first article inspection shall be carried out. 3.3 Materials
All materials used for the battery shall comply with the provisions of 3.3 of GJB1430. 3.4 Design and Structure
The battery structure and design shall comply with the provisions of 3.4 of GJB1430. 3.5 Battery Labeling
The battery label should be clear and firm.
3.5.1 Product Labeling
The battery shell cylinder should have the battery code, production serial number and batch mark. \TBXXXX\
\No. XXxx\
\Lotx×X×\
3.5.2 Pole Labeling
The battery cover should have the pole arrangement serial number and output polarity mark. Ministry of Information Industry of the People's Republic of China Issued on November 10, 1999 and implemented on December 1, 1999
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Positive terminal: “+\;
Negative terminal: “_\.
3.6 Insulation resistance
It should comply with the provisions of 3.6 in GJB1430.
3.7 Loop resistance
Shall comply with the provisions of the relevant detailed specifications.
3.8 Activation
3.8.1 Electrical activation
3.8.1.1 Ignition current
SJ 20768—1999
According to 4.6.4.1.1, the battery is passed with the current specified in the relevant detailed specifications. Within 50ms, the ignition head shall reliably ignite and the battery is activated.
3.8.1.2 Safety current
According to 4.6.4.1.2, the battery is passed with the current specified in the relevant detailed specifications. Within 5min, the ignition head shall not ignite. 3.8.2 Mechanical activation
When the test is carried out according to 4.6.4.2, an energy specified in the relevant detailed specifications is added to the battery activation mechanism. It shall reliably ignite and the battery is activated.
3.9 Sealing
When tested according to 4.6.5, the battery shall comply with the requirements of the corresponding test level in Table 1. Table 1
Test level
3.10 Electrical properties
Water bath test
Hydrogen mass spectrometry test
When tested according to 4.6.6, the electrical properties of the battery shall comply with the requirements of Table 2. 3.11 High vortex
No continuous bubbles escape from the battery surface.
Battery leakage rate ≤ 0.3Pa-cm/s
According to 4.6.7, after the battery is subjected to the test at a temperature of 50±2°C for a time in accordance with the relevant detailed specifications, there shall be no physical damage and it shall comply with the requirements of 3.6, 3.7 and 3.10. 3.12 Low temperature
After the battery is subjected to the test at -40+2°C for the time specified in the relevant detailed specifications according to 4.6.8, there shall be no physical damage and it shall comply with the requirements of 3.6, 3.7 and 3.10. 2
Working current
mA level
<0.5(3.5) *
4、 (5))
Note: 1) Pulse:
Working battery
200~250
40~~49
SJ 20768---1999
Working time
Activation time
2) The overall dimensions can be reduced to 40×55, the weight ≤240g, and the electrical performance parameters remain unchanged. 3.13 Temperature shock
Dimensions
@47x56
Φ31x60
@56x55
Φ38x40
032x60
Φ40x90
40×90
When tested according to 4.6.9, the battery shall have no physical damage after being subjected to three temperature cycles from -55±2°C to 70±2°C, and shall comply with the requirements of 3.6, 3.7 and 3.9. 3.14 High-temperature storage
When tested according to 4.6.10, the battery shall be kept at 70±2°C for at least 48 b, and shall have no physical damage, and shall comply with the requirements of 3.6, 3.7 and 3.9.
3.15 Low temperature storage
When tested according to 4.6.11, the battery should be kept at -55±2℃ for at least 24h, and there should be no physical damage, and it should meet the requirements of 3.6, 3.7, and 3.9.
3.16 Damp heat
When tested according to 4.6.12, the filter should be free of physical damage after being subjected to a temperature of 40±2-C, a relative humidity of 95%-98%, and a time of 48h, and it should meet the requirements of 3.6 and 3.7. 3.17 Transport vibration
: When tested according to 4.6.13, the battery should be free of physical damage after being subjected to a vibration test of 50+5Hz, an acceleration of 30±10m/s2, and 15min in each of the three directions of x, yz as shown in Figure 1, and it should meet the requirements of 3.6, 3.7, and 3.9. 3.18 Transport shock
When the test is carried out in accordance with 4.6.14, the battery shall have no physical damage after being subjected to the transport shock test under the conditions specified in Table 3 and the direction specified in Figure 1, and shall comply with the requirements of 3.6, 3.7 and 3.9. Table 3
Test level
Acceleration
600~750
500±20
150±10
150±10
Duration
Shock waveform
Sine half-frame wave!
Xy, z
x, y, z
(times)
each 667
each 6667
each 1000
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Applicable to commercial
missiles
Applicable to artillery
shooting temple missiles
SJ 20768—1999
Note: 1) The time from the start of the card to the beep value should not be greater than 7 ms2) Method 1 is only applicable to the first article inspection and the typical test under the condition of battery structure change, and method I is applicable to quality consistency inspection.
3.19 Impact
3.19.1 Impact method A (single impact)
3. 19.1. 1 Before activation
When testing according to 4.6.15.1.1, the battery shall have no physical damage after being subjected to the single impact test specified in Table 4, and shall comply with the requirements of 3.6, 3.7 and 3.9.
Test level
3.19. 1. 2 After activation
Acceleration
80000100000
40000~60000
110000~130000
Duration
Applicable to gun-launched missiles
When tested according to 4.6.15.1.2, the battery shall be subjected to the impact test specified in Table 5 after activation and shall comply with the requirements of 3.10. Table 5
Test level
Acceleration
Duration
Initial impact time"
As specified in detailed specifications
Applicable to barrel-loaded missiles
Applicable to gun-launched missiles
SJ 20768--1999
Note: 1) The time interval from battery activation to the start of impact. 3.19.2 Impact mode B (multiple impacts)
3. 19. 2.1 Before activation
When tested according to 4.6.15.2.1, the battery shall be free of physical damage after being subjected to multiple impact tests specified in Table 6, and shall comply with the requirements of 3.6, 3.7 and 3.9.
Test level
Acceleration
200±10
150±10
350±10
Duration
times/nin
Note: 1) The battery can be subjected to impact test in two ways. 3.19.2.2 Before activation
x, y, z
x, y, z
(times)
each 3300
each 10.000
20 000
each 200
Applicable to gun-launched missiles
When tested in accordance with 4.6.15.2.2, the battery is subjected to multiple impact tests specified in Table 7 and activated discharge, and shall meet the requirements of 3.10.
Test level 1
Intensity
350±15
800±20
Duration
(times)
Note: 1) The battery can be impact tested in one of two ways. 3.20 Vibration
3.20.1 Single frequency vibration)
Pulse tracking frequency
80 times/5min
Pulse uniform distribution
Within the fault time
Applicable to artillery launch
When tested according to 4.6.16.1, the battery shall be free of physical damage after being subjected to a sinusoidal vibration with an acceleration of 20m/s2, a frequency of 20 to 25Hz, and a duration of 30min, and shall comply with the provisions of 3.6 and 3.7. Note: 1) This test is only applicable to artillery launch missiles. 3.20.2 Vibration strength
When tested according to 4.6.16.2, the battery shall be free of physical damage after being subjected to the sinusoidal vibration test specified in Table 8 along the x, y, and 2 axes, and shall comply with the provisions of 3.6 and 3.7. Table 8
39~500
3.20.3 Vibration stability
Acceleration amplitude
Scanning speed
cct/min
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Number of scans
(times)
3.20.3.1Level A1)
SJ 20768—1999
When the test is carried out according to 4.6.16.3.1, the battery is also subjected to a vibration test of a frequency in Table 9, and the activated discharge should meet the requirements of 3.10.
Vibration frequency
Amplitude or acceleration
8 mm(PP)
2 mm(PP)
30±5 mV/s2
30±5 m/s2
50±10 m/s2
50±10 m/s2
50±10 m/s
Note: 1) This level of test is applicable to tube-mounted missiles. 3.20.3.2B level\
One of the following two methods can be selected for vibration test: Direction
xy direction optional
(perpendicular to the axial direction)
Duration
According to the relevant detailed specifications
Method 1: When testing according to 4.6.16.3.2 method 1, the battery is subjected to the sinusoidal vibration test in Table 10 along the x, V, and Z axes and activated discharge, which shall meet the requirements of 3.10. Table 10
Method II:
Acceleration amplitude
Scanning speed
oct/min
Scan number
(times)
Method I: When testing according to 4.6.16.4.2 method II, the battery is subjected to a vibration of a frequency in Table 11 and activated discharge, which shall meet the requirements of 3.10.
Frequency range
50~100
Note: 1) This level of test is applicable to gun-launched missiles. 3.21 Acceleration
3.21.1 Constant acceleration
Acceleration
Frequency range
100~250
250~700
700～1100
100～1 500
1500~5 000
Acceleration
SJ20768—1999
When testing according to 4.6.17, the battery is subjected to 300m/s, the method is in the Y direction, the time is in accordance with the acceleration test specified in the relevant detailed specifications, and the discharge is activated, which shall meet the requirements of 3.10. 3.21.2 Spinwww.bzxz.net
When the battery is subjected to the 612r/s spin requirement and activated and discharged according to 4.6.18, it shall meet the requirements of 3.10. 3.22 Low pressure
The battery shall meet the requirements of 3.10 when activated and discharged under the condition of ambient pressure equivalent to the air pressure (58kPa) at an altitude of 4500m.
3.23 Added quality
It shall meet the requirements of 3.22 in GJB1430.
3.24 Reliability
It shall meet the overall requirements of the supporting system, and the general reliability can be around 0.90 (confidence level is 0.90). 3.25 Storage
Under the storage conditions specified in 4.6.21.1, the storage life of the battery shall not be less than 11 years. 4 Quality Assurance Provisions
4.1 Inspection Responsibility
Unless otherwise specified in the contract or order, the contractor shall be responsible for completing all inspections specified in this specification. If necessary, the ordering party or the superior organization has the right to inspect any inspection item described in the specification. 4.1.1 Responsibility for Conformity
The inspections specified in this specification shall become an integral part of the contractor's entire inspection system or quality program. If the contract includes inspection requirements not specified in this specification, the contractor shall also ensure that the products submitted for acceptance meet the contract requirements. Quality consistency sampling does not allow the submission of products that are known to be defective, and he cannot require the ordering party to accept defective products. 4.2 Inspection Classification
The inspection classification specified in this specification is as follows
a. First article inspection:
b. Quality consistency inspection.
4.3 Environmental Conditions
Unless otherwise specified, inspections and tests shall be carried out according to the environmental conditions specified in 4.5.5. 4.4 First Article Inspection
The samples for first article inspection are produced using the same materials, equipment and processes as those for normal production, and are inspected and tested in accordance with the procedures specified in 4.4.2.
4.4.1 Quantity Submitted for First Article Inspection
The quantity submitted for first article inspection is 6 to 12 pieces, or as specified in the relevant detailed specifications. 4.4.2 First Article Inspection Procedure
The items, requirements and procedures for first article inspection are as specified in Table 12. 4.4.3 Acceptance Criteria
The first article samples shall comply with the inspections and tests specified in Table 12 until they are acceptable. The qualified judgment number is zero. 7-
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Inspection Items
Defect Classification
Insulation Resistance
Loop Resistance
Safety Current
Sealing
Temperature Shock
Transportation Grip
Transportation Shock
Single Frequency Vibration
Vibration Strength
High Temperature Storage-Commercial Temperature
Low Temperature Storage-Low Temperature
Wet Heat-Shock
High Temperature-Vibration Stability
Low Temperature-Vibration Stability
High Temperature-Constant Acceleration or
Low Temperature-Constant Acceleration or
Low Pressure
4.5 Quality-Consistency Inspection
4.5.1 Composition of Batch
3.14. 3.11
3.15、3.12
3.19.1.1、3.10.
3.16、3.19.2.2
3.11、3.20.3
3.12、3.20.3
3.21.1 or 3.21.2
3.21.1 or 3.21.2
shall comply with the provisions of 4.5.1 of GJB 1430.
4.5.2 Quality consistency inspection grouping
shall comply with the provisions of 4.5.2 of GJB 1430. 4. 5.2. 1 Group A
SJ 20768-1999
Check the meaning
4.6.4.1.2
4.6.15.2.1
4.6.10, 4.6.7||tt| |4.6.11.4.6.8
4.6.15.1.1, 4.6.6.
4.6.15.1.2
4.6.12, 4.6.15.2.2
4.6,10, 4.6.16.3
4.6.11, 4.6.16.3
4.6.17 or 4.6.18
4.6.17 or 4.6. 18
shall comply with the provisions of 4.5.2.1 of GJB 1430. 4. 5. 2. 2 Group B
Number of test batteries
and status
All sample batteries are tested without activating
Test batteries are randomly divided
into groups for testing, and the batteries are activated during the test.
Judgment group
The batteries that pass the Group A test shall be 100% tested according to the procedure specified in Table 13. Any battery that does not meet any of the requirements in Table 13 shall be judged as defective and removed from the batch. Only batteries that pass the Group B test can be used as sampling samples for the Group C test.
Test items
Insulation resistance
Loop resistance
Sealing
4. 5. 2. 3 Group C
4. 5. 2. 3. 1 Test sample
SJ 20768---1999
Should comply with the provisions of 4.5.2.3.1 in GJB1430. 4. 5. 2. 3. 2 Test procedure
Test section
Unless otherwise specified, the test procedure shall be carried out according to Table 14. If any battery in the sample does not meet any requirement in Table 14, it shall be judged as a serious defect.
Inspection Items
Transportation Dynamic
Transportation Shock
Single Frequency Vibration
Vibration Strength
Vibration Stability
Constant Acceleration
4.5.2.3.3 Qualification Criteria
Should meet the requirements of 4.5.2.3.3 in G1430. 4.5.2.4 Failure
Should meet the requirements of 4.5.2.4 in GJB 1430. 4.5.3 Packaging inspection
Inspection section
4.6.15.2.1
Number and status of batteries under test
For all sample batteries, the batteries are not activated during the test
The number of batteries under test shall comply with the relevant detailed
specifications, and the items may be appropriately
superimposed. Batteries are activated during the test
Packaging shall comply with the provisions of Chapter 5 of this specification. Inspection procedures shall comply with 4.5.3 of GJB1430. 4.5.4 Measuring devices and test equipment
shall comply with 4.5.4 of GJB 1430. 4.5.5 Standard atmospheric environment
shall comply with 4.5.5 of GJB1430.
4.6 Test method
4.6.1 Appearance inspection
The appearance of the battery shall be inspected visually. The dimensions, weight and other items of the battery shall be measured using measuring instruments with accuracy in accordance with the relevant detailed specifications to confirm whether they meet the requirements of 3.4, 3.5, 4.5.2.1, etc. 4.6.2 Insulation resistance
Should comply with 4.6.2 of GJB1430,
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4.6.3 Circuit voltage
Should comply with 4.6.3 of GJB 14304.6.4 Activation
4.6.4.1 Electrical activation
4.6.4.1.1 Ignition current
SJ 20768—1999
A pulse current with a pulse width of 50ms and the relevant detailed specifications is passed through the battery activation circuit. The ignition head should ignite reliably and the battery is activated.
4.6.4.1.2 Safety current
A DC current determined according to the relevant detailed specifications is passed through the battery activation circuit. The shortest time interval is 5min. When the battery output voltage terminal is measured by an ammeter, there should be no voltage output. After the test is completed, check the ignition head activation circuit resistance according to 4.6.3, which should meet the requirements of 3.7. 4.64.2 Mechanical activation
Perform the test according to the method specified in the relevant detailed specifications 4.6.5 Sealing
4.6.5.1 Grade A
The battery is placed in a room temperature water bath with a residual pressure of 8kPa for at least 3 minutes. There is no continuous bubble escaping from the battery surface. The battery passes the water bath test.
4.6.5.2 Grade B
After the battery passes the water bath test, it is placed in 3×10°Pa cyanide gas for at least 2 hours, then the battery is taken out and subjected to nitrogen mass spectrometer leakage test within 2 hours. The battery condensation rate should not be greater than 0.3Pa-cm/s: 4.6.6 Electrical performance
Perform according to 4.6.7 of GJB1430.
4.6.7 High temperature
After the high temperature box is heated to 50±2°C, the battery is placed in the high temperature box again, and the temperature is controlled to the time specified in the relevant detailed specifications. The battery is taken out and checked according to 4.6.2 and 4.6.3 within 8 minutes, and then tested according to 4.6.6. It shall meet the requirements of 3.10.
4.6. 8 Low temperature
After the low temperature box is cooled to -40±2°C, the battery is placed in the low temperature box again, and the temperature is controlled to the time specified in the relevant detailed specifications. The battery is taken out and checked according to 4.6.2 and 4.6.3 within 8 minutes, and then tested according to 4.6.6. It shall meet the requirements of 3.10.
4. 6. 9 Temperature shock
It shall be in accordance with the provisions of 4.6.10 in GJB1430.
4.6. 10 High-filtration storage
The battery is placed in a high-temperature box and subjected to the test specified in 3.14. After that, take out the battery and restore it under the environment specified in 4.5.5 for at least 3 hours. Then check whether the battery has physical damage, and check the battery according to 4.6.2, 4.6.3, and 4.6.5. 4.6.11 Low-temperature storage
The battery is placed in a low-temperature box and subjected to the test specified in 3.15. After that, take out the battery and restore it under the environment specified in 4.5.5 for at least 3 hours. Then check whether the battery has physical damage, and check the battery according to 4.6.2, 4.6.3, and 4.6.5. 4.6.12 Wet Heat
The battery is placed in a heat test chamber and subjected to the wet heat test specified in 3.16. After that, take out the battery and wipe it dry. In the environment specified in 4.5.5, check whether the battery has physical damage. Inspect the battery according to 4.6.2 and 4.6.3 within 8 minutes. 4.6.13 Transport Vibration
The battery is packaged and packed according to 5.1 and 5.2. The packaging box is fixed on the vibration table. After the transport vibration test is carried out according to 3.17, check whether the battery has physical damage. Inspect the battery according to 4.6.2, 4.6.3 and 4.6.5. 4.6.14 Transport shock
4.6.14.1A level
Batteries shall be packed and boxed according to 5.1 and 5.2. The boxes shall be fixed on the platform and sent for transport according to 3.18 Table 3A level requirements. After this shock test, check whether the battery has physical damage and check the battery according to 4.6.2, 4.6.3 and 4.6.5. B-level
The battery is loaded into the clamp, and the clamp is rigidly fixed on the impact test bench. After the transportation impact test is carried out according to the requirements of Table 3B of 3.18, check whether the battery has physical damage, and check the battery according to 4.6.2, 4.6.3, and 4.6.5. 4.6.15 Impact
4.6.15.1 Impact mode A (single impact) 4.6.15.1.1 Before activation
The battery is installed in the special clamp specified in the detailed specification (non-brush pads are allowed in the clamp), and the clamp is rigidly fixed on the single impact test bench simulating the launch acceleration. After the impact test is carried out according to the provisions of Table 4 of 3.19.1.1, the battery is checked according to 4.6.2, 4.6.3, and 4.6.5. 4.6.15.1.2 Activation
The battery is installed in the special fixture specified in the detailed specification (non-rigid pads are allowed in the fixture), and the fixture is rigidly fixed on the impact test bench simulating launch. After the battery is impact tested after activation according to Table 5 of 3.19.1.2, the electrical performance test is carried out according to 4.6.6 at the same time, and it should meet the requirements of 3.10. 4.6.15.2 Impact method B (multiple impacts) 4.6.15.2.1 Before activation
The battery is installed in the special fixture specified in the detailed specification (non-rigid pads are allowed in the fixture), and the fixture is rigidly fixed on the impact test bench. After multiple impact tests are carried out according to Table 6 of 3.19.2.1, check whether the battery has physical damage and then check the battery according to 4.6.2, 4.6.3, and 4.6.5. 4.6.15.2.2 After activation
The battery is installed in the special fixture specified in the detailed specification (non-rigid pads are allowed in the fixture), and the fixture is rigidly fixed on the impact test bench. Perform multiple impact tests according to Table 7 of 3.19.2.2, and perform electrical performance tests according to 4.6.6 at the same time, which should meet the requirements of 3.10.
4.6.16 Vibration
4.6.16.1 Single-frequency vibration
The battery is installed in the fixture, and the fixture is rigidly fixed on the vibration test bench. Perform vibration tests according to 3.20.1, check whether the battery has physical damage, and then check the battery according to 4.6.2 and 4.6.3. 4.6.16.2 Vibration strength
The battery is installed in the fixture, and the fixture is rigidly fixed on the vibration test bench. After performing vibration tests according to Table 8 of 3.20.2, check whether the battery has physical damage, and then check the battery according to 4.6.2 and 4.6.3. 4.6.16.3 Vibration stability
4.6.16.3.1A level
Fix the battery on the vibration test bench in the specified direction and vibrate at a frequency selected from Table 9 according to the requirements of 3.20.3.1.
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