Some standard content:
Military standard FL5830 of the electronics industry of the People's Republic of China
Released on December 27, 2001
SJ20800—2001
General specification for telephons used on shipboard
Implementation on January 1, 2002
Scope of approval by the Ministry of Information Industry of the People's Republic of China
2 Reference documents,
3 Requirements..
4 Quality assurance regulations:
5 Delivery preparation.
6 Explanation of the event.
Appendix A Treatment after the interruption of the bacterium test (reference) times
-ikAoNikAca=
1 Scope
People's Republic of China Electronic Industry Military Standard General Specification for Telephones Used on Shipboard
General specificatfon fortelephonesusedonshipboard1.1 Subject Content
This specification specifies the requirements, quality assurance regulations and delivery preparation for shipboard telephones. 1.2 Scope of Application
SJ20800—2001
This specification applies to various common automatic telephones used for shipboard wired communications (hereinafter referred to as telephones). This specification is the basis for formulating product specifications for shipboard telephones. bzxz.net
2 Reference documents
GB191—90 Pictorial symbols for packaging, storage and transportation
Basic parameters and technical requirements for tape recordersGB2019-87
GB6388—86 Transport packaging receiving and delivery marksGB/T5465.2—1996 Graphic symbols for electrical equipmentGB/T1527994
GJB150.3—86
GJB150.4—86
GJB150.9—86
GJB 150.11—86
GJB 150.16--86
GJB150.18—86
Technical conditions for automatic telephones
Environmental test methods for military equipment
High temperature test
Environmental test methods for military equipment
Low temperature test
Environmental test methods for military equipmentWet heat testEnvironmental test methods for military equipment
Salt spray test
Environmental test methods for military equipment
Environmental test methods for military equipment
Counting sampling inspection procedures and tables
GJB 179A—96
GJB367.287
Vibration test
Impact test
General technical conditions for military communication equipment
Environmental test methods
General outline for equipment maintainability
GJB368A-94
GJB2072—94
Maintainability test and assessment
SJ/T10664-95
3 Requirements
3.1 Product specifications
Technical requirements and measurement methods for electromagnetic compatibility of telephone terminals Telephone products shall comply with the provisions of this specification and the corresponding product specifications. If this specification conflicts with the requirements of the product specification, the product specification shall prevail.
3.2: Qualification
The Ministry of Information Industry of the People's Republic of China issued on December 27, 2001 and implemented on January 1, 2002
SJ20800--2001
The telephones submitted in accordance with this specification shall be qualified products or approved products. 3.3 Conditions of use
Unless otherwise specified in the contract or order form, the telephones shall be able to be used under the following conditions: Temperature: -10°C~50°C
Relative humidity: ≤90%
Atmospheric pressure: 86kPa~106kPa.
3.4 Appearance quality
The outer surface of the telephone shall not have obvious dents, cracks, interlayers, sharp edges, deformations, burrs, etc., and the metal parts shall not have rust and other mechanical damage. The operation of switches, buttons and knobs shall be flexible and reliable, and the parts shall be tightened without looseness. 3.5 Structure
The detailed structural requirements of the telephone shall be specified in the product specification. 3.6 Dimensions
The dimensional requirements of the telephone shall be specified in the product specification. 3.7 Markings and codes
The markings of the text and graphic symbols describing the functions shall be clear, legible, correct and firm, and the graphic symbols used shall comply with the provisions of GB/T5465.2 and GB/T15279.
3.8 Interchangeability
The design of the tape recorder shall ensure the interchangeability of similar products and the tapes recorded. The magnetic track shape and position of the tape recorded by the tape recorder and its application shall comply with the provisions of Article 1.3 of GB2019-87. 3.9 Adaptability to power supply
When the AC power supply voltage changes by ±10%: the DC power supply voltage changes by -2.%, the allowable changes in its jitter rate, frequency response, signal-to-noise ratio and harmonic distortion shall be specified in the product specification. 3.10 Performance parameters
3.10.1 The performance parameters of ordinary automatic telephones shall comply with the provisions of GB/T15279. 3.11 Continuous working time
The telephone shall be able to work normally for more than 48 hours continuously. 3.12 Safety
It shall comply with the provisions of GB/T15279.
3.13 Electromagnetic compatibility
It shall comply with the provisions of SJ/T10664-95.
3.14 Environmental adaptability
The environmental adaptability of telephones shall comply with the provisions of this specification and product specifications. The main performance parameters to be tested after environmental testing shall be specified by the product specifications. 3.14.1 Low temperature storage
The telephone shall be placed at a temperature of -50°C for 24 hours. After recovery, its appearance, structure and main performance shall comply with the provisions of Articles 3.4, 3.5 and 3.10 respectively.
3.14.2 Low temperature operation
The telephone is operated at -10°C for 24 hours. After recovery, its appearance, structure and main performance shall meet the requirements of 3.42
-KAONiKAca-
, 3.5 and 3.10 respectively.
3.14.3 High temperature storage
SJ 20800—2001
The telephone is placed at 65°C for 24 hours. After recovery, its appearance, structure and main performance shall meet the requirements of 3.4, 3.5 and 3.10 respectively.
3.14.4 Away temperature operation
The telephone is operated at 50°C for 24 hours. After recovery, its appearance, structure and main performance shall meet the requirements of 3.4, 3.5 and 3.10 respectively.
3.14.5 Impact
After the telephone has been subjected to the impact test specified in 4.7.10.5, its appearance and structure shall comply with the provisions of Articles 3.4 and 3.5 respectively, and it shall be able to operate normally.
3.14.6 Vibration
After the telephone has been subjected to the vibration test specified in Table 1, its appearance, structure and main performance shall comply with the provisions of Articles 3.4, 3.5 and 3.10 respectively.
Frequency range
10~30~10
30~55~30
3.14.7 Warm
Displacement amplitude
On each axis
Number of frequency sweep cycles
The sample should be perturbed in turn on three mutually perpendicular axes according to the working position
After the telephone is left for 120 hours at a temperature of 30-60°C and a relative humidity of 95%, its appearance and structure should comply with the provisions of Articles 3.4 and 3.5 respectively, and it can work normally. 3.14.8 Bacteria
After the telephone is subjected to the bacteria test of Article 4.7.10.8, its appearance, structure and main performance should comply with the provisions of Articles 3.4, 3.5 and 3.10 respectively.
3.14.9 Salt spray
After the telephone is subjected to the salt spray test specified in Table 2, its appearance and structure shall comply with the provisions of Articles 3.4 and 3.5 respectively, and it shall be able to work normally.
Salt solution
Weight ratio
3.15 Sewing performance
Salt spray settling rate
ml/80cm2.h
(Take the average of more than 16 hours)
Test temperature
Salt treatment method
Spray for 24 hours, dry for 24 hours under normal test atmospheric conditions, which constitutes one cycle.
Continuous spray
The lower limit of the mean time between failures (MTBF) of ordinary automatic telephones is not less than 3000 hours. Test time
SJ20800—2001
3.16 Maintainability
The maintainability design of telephones complies with the provisions of GJB368.2. Its maintainability requirements are specified by the product specifications. 4 Quality assurance regulations
4.1 Inspection qualifications
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 appraisal agency has the right to inspect any inspection item described in the specification. 4.1.1 Qualification
All products must meet all requirements of Chapter 3 and Chapter 5 of this specification. The inspections specified in this specification shall become an integral part of the contractor's overall 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, nor does it allow the ordering party to accept defective products.
4.2 Inspection classification
The inspections specified in this specification are divided into:
a. Identification inspection;
b. Quality consistency inspection.
4.3 Inspection conditions
Unless otherwise specified, all inspections specified in this specification shall be carried out under the following normal test atmospheric conditions: Temperature: 15°C~35°C;
Relative humidity: 20%~80%
Atmospheric pressure: atmospheric pressure of the test site.
4.4 Qualification inspection
Qualification inspection is generally carried out when the equipment is designed and produced. However, when there are major changes in the main design, process, components and materials of the equipment, which affect the important performance of the equipment and make the original qualification conclusion no longer valid, qualification inspection should also be carried out. The qualification inspection should be carried out in a laboratory approved by the ordering party or the superior qualification agency. 4.4.1 Number of samples
The number of samples for signature inspection should generally not be less than two. For samples with more than two units, they can be tested in groups, and the test items for each group shall be specified by the product specifications.
4.4.2 Inspection items
The items for qualification inspection shall be as specified in Table 3.
TTKAoNiKAca-
Appearance quality
Structure and size
Mark and code
Interchangeability
Adaptability to power supply
Performance parameters
Main performance parameters
Continuous working time
Safety
Electromagnetic compatibility
Low-temperature storage
Low-temperature operation
High-temperature storage
Commercial temperature operation
Reliability
Maintainability
Sealing and packaging
SJ20800--2001
Consistency inspection of quality disk
Note: The symbol "" in the table indicates a required item; "○" indicates an optional item; "4.4.3 Qualification criteria
-" indicates an unselected item.
Chapter No.
3.3, 3.6
When all inspection items meet the requirements of Chapter 3 and Chapter 5, the appraisal inspection is judged to be qualified. Test method
Chapter No.
If any inspection item does not meet the specified requirements, the inspection should be suspended. The contractor should analyze the unqualified items, find out the causes of the defects and take corrective measures before continuing to inspect the unqualified items and related items. If all inspection items meet the specified requirements, the appraisal inspection is still judged to be qualified; if there is still an item that does not meet the specified requirements after continued inspection, the appraisal inspection is judged to be unqualified.
4.4.4 Maintenance of Appraisal Inspection Qualification
In order to maintain the qualification of appraisal inspection, the contractor shall provide product test data or 5
qualification demonstration data according to the requirements of the ordering party or the superior appraisal inspection.
4.5 Quality Disk Consistency Inspection
4.5.1 Inspection Grouping
SJ208002001
Quality consistency inspection is divided into A, B, C and D inspection groups. 4.5.2 Formation of Inspection Lot
The formation of inspection lot shall comply with the provisions of Article 5.4.6 of GJB179A--96. 4.5.3 Group A Inspection
4.5.3.1 Inspection Items
The inspection items of Group A shall comply with the provisions of Table 3.
4.5.3.2 Sampling Plan
The sampling inspection of Group A shall be carried out in accordance with the relevant provisions of GJB179A, and the one-time sampling plan of general inspection level I shall be adopted. The acceptable qualified quality level (AQL) shall be selected in accordance with the provisions of Table 4. The defect classification shall be specified by the product specification. 4
Defect Classification
Major Defect
Minor Defect
Acceptable Quality Level (AQL)
4.5.3.3 Qualification Criteria
According to the inspection results of the samples, if the defects found are not greater than the qualified judgment number, the group A inspection of the batch of products shall be judged to be unqualified, otherwise, the group A inspection shall be judged to be unqualified.
Fatal defects are not allowed in the group A inspection.
4.5.3.4 New Inspection
For the batch that fails the group A inspection, the contractor shall analyze the batch of products, find out the cause of the defects, and take corrective measures before resubmitting for inspection. The resubmitted batch shall be separated from the new batch, and marked as "resubmitted batch", and stricter inspection shall be adopted. If the re-inspection is qualified, the group A inspection of the batch is judged to be qualified; if the re-inspection is still unqualified, the group A inspection of the batch is judged to be unqualified. 4.5.3.5 Handling of Group A Inspection Samples
If defective products are found in the batches that have passed the Group A inspection, the contractor shall be responsible for repairing them and meet the requirements of the product specifications before they can be delivered in batches according to the contract or order. 4.5.4 Group B Inspection
Group B inspection shall be carried out on the products in the batches that have passed the Group A inspection. 4.5.4.1 Inspection Items
Group B inspection items shall be in accordance with the provisions of Table 3.
4.5.4.2 Sampling Plan
Group B sampling inspection shall be carried out in accordance with the relevant provisions of GJB179A, and a single sampling plan of special inspection level S-3 shall be adopted. The acceptable quality level (AQL) shall be selected in accordance with the provisions of Table 5. The defect classification shall be specified by the product specifications. Table 5
Defect classification
Serious defects
Minor defects
Acceptable quality level (AQL)
-TKAONiKAca-
4.5.4.3 Qualification criteria
SJ20800--2001
According to the inspection results, if the number of defects found is not greater than the qualified judgment number, the B group inspection is judged to be qualified, otherwise, the B group inspection is judged to be unqualified.
4.5.4.4 Re-inspection
For the batch that fails the B inspection, the contractor shall analyze the batch of products, find out the cause of the defect, and take corrective measures before resubmitting it for inspection. The resubmitted batch shall be separated from the new batch, and marked with "resubmitted batch", and stricter inspection shall be adopted.
If the re-inspection is qualified, the batch is still judged to be qualified for the Group B inspection: If the re-inspection is still unqualified, the batch is judged to be unqualified for the Group B inspection. 4.5.4.5 Handling of samples for Group B inspection
If defective products are found in the batch that has passed the B inspection, the contractor shall be responsible for repairing them and meet the requirements of the product specifications before they can be delivered in batches according to the contract or order.
4.5.5 Group C inspection
Group C inspection shall be carried out on the products of the Group A and Group B inspection qualified batches. 4.5.5.1 Inspection items
The inspection items of Group C shall be in accordance with the provisions of Table 3.
4.5.5.2 Sampling plan
The sampling inspection of Group C shall be carried out in accordance with the relevant provisions of GJB179A, and a single sampling plan of special inspection level S-1 shall be adopted. The acceptable quality level (AQL) shall be selected in accordance with the provisions of Table 6. The defect classification shall be specified by the product specification. Table 6
Defect classification
Serious defects
Minor defects
4.5.5.3 Qualification judgment
Acceptable quality level (AQL)
According to the inspection results, if the number of defects found is not greater than the qualified judgment number, the batch of C group inspection is judged to be qualified. Otherwise, the batch of C group inspection is judged to be unqualified.
4.5.5.4. Re-test
If the sample fails to pass the Group C test, the acceptance and delivery of the equipment shall be stopped. The contractor shall notify the qualified appraisal unit of the non-conformity. After finding out the cause and taking corrective measures, the sample can be resubmitted for inspection. When resubmitting for inspection, the number of samples shall be increased. All tests or inspections shall be carried out according to the opinions of the qualified appraisal unit for re-inspection, or only the non-conforming items shall be tested or inspected. If the re-inspection is qualified, the batch is still judged to have passed the Group C inspection: If the re-inspection is still unqualified, the non-conformity shall be notified to the qualified appraisal unit.
4.5.5.5 Sample processing
Unless otherwise specified, for samples that have passed the Group C inspection, the contractor shall repair all discovered or potential damages, and after passing the Group A and Group B inspections, they can be delivered according to the contract or order. 4.5.5.6 Inspection cycle
Unless otherwise specified, each submitted batch shall be subject to a Group C inspection, but not less than once a year. When there are major changes in the main design, process, components and raw materials of the telephone that have a major impact on the performance of the equipment, Group C inspection should also be carried out. 4.5.6 Group D inspection
SJ20800-2001
Group D inspection should be carried out on products that have passed the Group A and Group B inspections. 4.5.6.1 Inspection items
Group D inspection items shall be in accordance with the provisions of Table 3.
4.5.6.2 Sampling plan
Group D inspection samples shall be randomly selected from the samples of the Group A and Group B inspections, and the number of samples shall be specified by the product specifications. 4.5.6.3 Unqualified
If the sample fails the Group D inspection, the acceptance and delivery of the product shall be stopped. The contractor shall notify the qualified appraisal unit of the unqualified situation. After finding out the cause and taking corrective measures, it can be resubmitted for inspection. When resubmitting for inspection, the number of samples shall be increased. All tests or inspections shall be conducted according to the opinions of the re-inspection qualification appraisal unit, or only the unqualified items shall be tested or inspected. If the re-inspection is qualified, the batch of Group D inspection shall still be judged to be qualified: if the re-inspection is still unqualified, the unqualified situation shall be notified to the qualification appraisal unit.
4.5.6.4 Sample handling
Unless otherwise specified, the contractor of the samples that have passed the Group D inspection shall be responsible for repairing and replacing the parts that have consumed all or most of the design service life, and after passing the Group A and Group B inspections, they can be delivered according to the contract or order. 4.5.6.5 Inspection cycle
The Group D inspection cycle shall be determined by negotiation between the ordering party and the contractor. However, when there are major changes in the main design, process, components and raw materials of the equipment that have a major impact on the performance of the equipment, Group D inspection shall also be carried out. 4.6 Packaging inspection
4.6.1 Inspection items
The packaging inspection items shall be in accordance with the provisions of Table 3.
4.6.2 Number of samples
Sealing and packaging According to the identification test, two samples randomly selected shall be tested: Packing and marking shall be sampled according to the sampling plan of Group A inspection of quality consistency inspection.
4.6.3 If the results of sealing and packaging inspection meet the requirements of Article 5.1, and the results of packing and marking inspection meet the requirements of Articles 5.2 and 5.4 respectively, the packaging inspection shall be deemed to be qualified.
4.7 Inspection method
4.7.1 Appearance quality
Inspect the appearance quality of the telephone by visual inspection and hand feeling. 4.7.2 Structure and size
Inspect the structure of the telephone by visual inspection and hand feeling, and measure it with measuring tools of corresponding accuracy. Measure the size of the telephone with measuring tools of corresponding accuracy. 4.7.3 Marking and code
Inspect the marking and code of the telephone product by visual inspection. 4.7.4 Interchangeability
Inspect and measure according to the provisions of the product specification. 4.7.5 Power adaptability
Inspect and measure according to the provisions of GB2019 and product specifications. 4.7.6 Performance parameters
The performance parameters of ordinary automatic telephones shall be measured according to the provisions of GB/T15279. -TKAONiKAca-
4.7.7 Continuous working time
SJ208002001
Under the use conditions specified in this specification and product specifications, put the telephone in normal working state, and work continuously for 48 hours, and then test its main performance parameters according to the provisions of the product specification. 4.7.8 Safety
Inspect and measure according to the provisions of GB/T15279.
4.7.9 Electromagnetic compatibility
Inspect and measure according to the provisions of SJ/T10664-95.
4.7.10 Environmental test
The order of environmental test shall be carried out in the order of 4.7.10.1~4.7.10.10. 4.7.10.1 Low temperature storage
4.7.10.1.1 The test equipment
should comply with the provisions of Chapter 3 of GJB150.4. 4.7.10.1.2 Test method
Put the unpackaged test sample into the test box with room temperature. In order to prevent condensation, it is allowed to test after the sample is sealed with plastic film:
b. Reduce the box temperature to -50C+3C at an average rate of (0.7~1)C/min (meaning the average value every 5 minutes), and keep it for 24 hours after the sample reaches temperature stability:
c. After 2 hours of recovery, test according to the provisions of 3.14.1. 4.7.10.2 Low temperature operation
4.7.10.2.1 Test equipment
shall comply with the provisions of Chapter 3 of GJB150.4. 4.7.10.2.2 Test method
a. According to the steps specified in 4.7.10.1.2a and 4.7.10.1.2b, lower the temperature box to -10°C±3C. After reaching the temperature stability, operate the test sample continuously for 24h
b. After recovering for 2h, test according to the provisions of Article 3.14.2. 4.7.10.3 High temperature storage
4.7.10.3.1 Test equipment
shall comply with the provisions of Chapter 3 of GJB150.4. 4.7.10.3.2 Test method
a. Place the unpackaged test sample in a test chamber at room temperature; b. Raise the chamber temperature to 65°C+2°C at an average rate of (0.7～1)C/min (average value every 5 minutes), and keep it for 24 hours after the sample reaches temperature stability:
c. After 2 hours of recovery, test according to the provisions of Article 3.14.3. 4.7.10.4 High temperature work
4.7.10.4.1 Test equipment
shall comply with the provisions of Chapter 3 of GJB150.4. 4.7.10.4.2 Test method
a. Raise the temperature of the incubator to 50°C±2°C according to the steps specified in 4.7.10.3.2a and 4.7.10.3.2b. After reaching temperature stability, operate the test sample continuously for 24 hours;
SJ20800—2001
b. After 2 hours of recovery, conduct the test according to the provisions of Article 3.14.4. 4.7.10.5 Impact test
4.7.10.5.1 Test equipment
The impact test bench or impact test machine shall comply with the provisions of Chapter 3 of GJB150.18 "Impact test of ship equipment". 4.7.10.5.2 Test method
a. Fasten the unpackaged sample in the center of the test bench in the positive working position (not connected to the power supply): b. Impact the test sample three times along the three mutually perpendicular main axis directions. The drop weight heights of the three impacts are 0.3, 0.9, and 1.5m respectively
After the test, test the test sample in accordance with the provisions of Article 3.14.5. c.
4.7.10.6 Vibration test
4.7.10.6.1 Test equipment
The sinusoidal vibration test bench (hereinafter referred to as the vibration bench) shall comply with the provisions of GJB150.16. 4.7.10.6.2 Test method
Use an appropriate fixture to fasten the unpackaged test sample on the vibration test table (the vertical line of the center of gravity of the sample and the fixture combination should be located near the center of the vibration table). The excitation force should be directly transmitted to the sample, and the device parts that fasten the sample should avoid self-resonance during the vibration test:
b. According to the provisions of Table 1, perform a scanning vibration test along each of the three mutually perpendicular axes of the test sample one by one; c. After the test, perform inspection according to the provisions of Article 3.14.6. 4.7.10.7 Humidity test
4.7.10.7.1 Test equipment
The humidity test chamber should comply with the provisions of Chapter 3 of GJB150.9. 4.7.10.7.2 Test method
a: Dry the test sample at a temperature of 40°C to 50°C for 2 h; b. Treat the test sample in a test chamber at a temperature of 25°C ± 5°C and a relative humidity of 50% for 24 h; adjust the temperature and humidity of the chamber according to the provisions of Figure 1, and the switching time between 30°C and 60°C shall not exceed 1.5h, c.
Perform 5 24h cycle tests
d.After 5 cycle tests, place at 25°C±5C and relative humidity 45%～55% for 24h, and test according to the provisions of Article 3.14.7.
KAoNiKAca-
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.