GB/T 5095.11-1997 Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 11: Climatic tests
Some standard content:
GB/T 5095.11
This standard is equivalent to IEC512-11-1:19956 Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 11; Climatic test Part 1: Test 112 - Climatic sequence 3, IEC512-11-7:1996 "Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 11; Climatic test - Part 1: Test 11g - Flowing mixed gas corrosion test" , Il:C:512 Part 11: Climate Test - Chapter 8: 11-8:1995 "Basic Test Procedures and Test Methods for Electromechanical Components for Electronic Equipment"
This standard was proposed by the Ministry of Electronics Industry of the People's Republic of China. This standard is under the jurisdiction of the National Technical Committee for Standardization of Electromechanical Components for Electronic Equipment. This standard is drafted by the Standardization Institute of the Ministry of Electronics Industry. The main drafters of this standard are: Yu Xiafang, Jiang Qilong, Zhang Juhua, Tiankatang..comGB/ 5095.11—1997
IEC Foreword
(IEC512-11-1)
1) IEC (International Electrotechnical Commission) is a worldwide standardization organization composed of national electrotechnical committees (IEC National Committees). Its main purpose is to promote international cooperation on standardization issues in the field of electrical and electronic equipment. To this end, among other activities, it publishes international standards. The formulation of international standards is undertaken by technical committees. Any IEC National Committee with an interest in the content involved may participate in the formulation of international standards. Any international, political and non-governmental organization related to IEC may also participate in the formulation of international standards. IEC maintains a close cooperative relationship with the International Organization for Standardization (ISO) under conditions agreed upon by the two organizations: 2) IEC's formal resolutions or agreements on technical issues are formulated by technical committees with the participation of national committees that are particularly concerned with these issues, and represent the international consensus on the issues involved as much as possible. 3) These resolutions or agreements are in the form of standards , technical reports or guidelines, and are published in the form of recommendations for international use, and in this sense, are recognized by the National Committees.
4) In order to promote international unification, each IEC National Committee has the responsibility to make its national and regional standards adopt the old IFC standards as much as possible. Any differences between IEC standards and corresponding national or regional standards should be indicated in the national or regional standards [International Standard IEC512-11-] Developed by IEC/TC:48 (Electronic Equipment Core Components and Mechanical Structures) The text of this standard is based on the following documents: FDIS
48B/415/FDIS
Vote Report
48B/447/RVD
Vote for approval The details of this standard can be found in the vote report listed in the table above. This standard replaces IEC512
6 Test 11a and is used together with JEC512-[(Part 1: General). The other test methods included in the whole set of standards will be completed or published soon. GB/T 5095.11—1997
IEC Foreword
(IEC512-11-7)
1) IEC (International Electrotechnical Commission) is a world standardization organization composed of national electrotechnical committees (IEC National Committees) and its purpose is to promote international cooperation in standardization issues in the field of electrotechnical industry. For this purpose, among other activities, IEC publishes international standards. The development of international standards is undertaken by technical committees. Any IEC National Committee with an interest in the subject matter may participate in the development of international standards. Any international, governmental and non-governmental organization associated with IEC may also participate in the development of international standards. IFC maintains a close cooperative relationship with the International Organization for Standardization (ISCO) under conditions agreed upon by the two organizations. 2) IEC's formal resolutions or agreements on technical issues are developed by technical committees with the participation of national committees with a special interest in these issues, and represent international consensus on the issues involved as far as possible. 3) These resolutions or agreements are published in the form of standards, technical reports or guidelines, and are used in the form of inferences for international use, and in this sense, are recognized by the National Committees.
4) In order to promote international unification, IEC National Committees have the responsibility to adopt standards as far as possible with their national and regional standards. [: Any differences between standards and national or regional standards shall be indicated in the national or regional standards. 5) IEC has not established any procedures for the use of the approval mark. IEC shall not be responsible for any claim that a product complies with the relevant IEC standards. 5) It is noted that some parts of international standards may involve patent rights. IEC is not responsible for any patent rights. International Standard TEC: 512-11-7 was developed by IEC/TC48 (Electromechanical components and mechanical structures for electronic equipment). This standard replaces test 11g in IFC512-6 and uses the entire set of standards including other test methods together with IEC512-1 <Part 1: General). It will be published as soon as it is completed. The text of this standard is based on the following documents: Voting Report
18R/391/FDIS
48B/463/RVI)
Approval of this standard Detailed information on the long-term decision report listed in the table above can be found, CB/T 5095.11-1997
IEC Foreword
(IEC 512-11-8)
1) IEC (International Electrotechnical Commission) is a worldwide organization for standardization composed of national Electrotechnical Commissions (IEC National Committees). The purpose of IEC is to promote international cooperation on standardization issues in the field of electronics. To this end, among other activities, IEC publishes international standards. The formulation of international standards is undertaken by technical committees. Any national committee concerned with the relevant plans may participate in the formulation of international standards. Any international, governmental and non-governmental organization related to IEC may also participate in the formulation of international standards. IEC maintains a close cooperative relationship with the International Organization for Standardization (ISO) under conditions agreed upon by the two organizations. 2) IEC's formal resolutions or agreements on technical issues are formulated by technical committees participated in by national committees with special concerns about these issues. They represent the international consensus on the issues involved as much as possible. These resolutions or agreements are issued in the form of standards, technical reports or guidelines, and are recommended for international use. In this sense, they are recognized by the national committees.
1) In order to promote international uniformity, each IEC National Committee has the responsibility to make its national and regional standards use IEC standards as much as possible. Any differences between the IEC standard and the corresponding national or regional standards should be indicated in the national or regional standards. 5) IFr: has not established any procedures for the use of the approval mark. When it is appropriate to claim that a product conforms to the corresponding TFC standard, the IFC period: is not responsible for it. 6) Note that some parts of these international standards may involve patent rights. IEC is not responsible for any patent rights. International Standard IEC: 512-118 was developed by IEC/TC: 43 (Electromechanical components and mechanical structures for use in electrical equipment). This standard replaces test 11h in IEC: 512-6 and is used in conjunction with IEC 512-1 (Part 1: General). The complete set of standards, including other test methods, will be published as soon as it is completed. The text of this standard is based on the following documents: 115
48B/409/DIS
Voting report
48B/446/RVD
Voting approval The detailed information of this standard can be found in the voting report listed in the table above. National Standard of the People's Republic of China
Electromechanical components for electronic equipment
Basic testing procedures and measuring methods
Part 1 Test 11a-
1 Scope and purpose
GB/T 5095. 11
Idt IEC: 512-11-1: 1995
IEC 512-11-7:1996
C 512-11-8:1995
Climate series
is to establish detailed standard test methods to assess the ability of components to perform in a specified manner in the extended environment that they may encounter in normal use (including storage).
2 Referenced standards
The provisions contained in the following standards will become the provisions of this standard through reference in this standard. When this standard is published,The versions shown are valid. All standards are subject to revision and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T 5093.2-1997 also specifies basic test procedures and measurement methods for electromechanical components for equipment Part 2: General inspection, electrical continuity and connection resistance test, insulation test and electrical positive stress test GB/T5095.71997 Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 7: Mechanical operation test and sealing test Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 9: Miscellaneous tests GB/T 5095.9-1997 IEC:68-2-61:1991 Environmental testing 3 Preparation of test samples 3.1 Mechanical preparation Part 2: Test Test 7/ABIM, climatic source sequence The test sample with common accessories shall be installed and wired (if appropriate) as specified in the detailed specification. When required by the detailed specification, the test sample shall be operated for the specified number of times before the test. When performing each test, the detailed specification shall specify the state of the test sample, such as: operated or not operated, plugged in or not plugged in, etc. 3.2 Pretreatment
The pretreatment time shall be at least 1h,
4 Test method
4.1 Initial test
The initial test shall be carried out in accordance with the provisions of the detailed specification. Approved by the State Administration of Technical Supervision on December 26, 1997 and implemented on October 1, 1998
4.2 Condition test
B/T 5095.11 1997
The test sequence shall be carried out in accordance with C:68-2-6! Test 7./A3I)M: Climate sequence, method 1. The severity levels of different steps and intermediate measurements shall be carried out in accordance with the provisions of the detailed specification. High temperature
The upper category temperature
shall be used. If specified in the detailed specification, at the end - the insulation resistance shall be measured according to test 3a of CB/T 5095.2 while still at high temperature. Low temperature
The lower category temperature shall be used.
... - Low pressure (when applicable)
When specified in the detailed specification, the following severity levels shall be used; the low pressure value shall be as specified in the detailed specification:
The test period shall be 5min; at the end of
and while still at low pressure, the test shall be carried out in accordance with the provisions of test 4a of GB/T 5095.2. Cyclic heat (residual cycle)
The test sample shall be subjected to the residual number of cycles as specified in the detailed specification. 4.3 Final inspection
The test sample The product shall be subjected to the following tests described in the relevant parts of the GB/T5095 series of standards and shall meet the requirements specified in the detailed specifications:
2) Insulation resistance (test 3±);
h) Voltage (test 4n):
() Contact resistance (as specified in the detailed specifications, test 2): d) Mechanical operation test (test 13), if applicable; e) Cable tightness test (test 17). If applicable; [) Appearance inspection (test 1a), if applicable. 5 Details to be specified
Detailed specifications The following details shall be specified for this test: a) Installation and wiring method and operating conditions of the test sample (if applicable): h) Initial measurement;
() Severity level of each step in the climate sequence test; ) Minimum value of insulation resistance at high temperature:
e) When low pressure is used for testing, the test voltage value:! When the contact resistance test is appropriate, the test items that need to be taken are specified;) the requirements for the final test;
h) What are the differences with the standard test method. Part 7 Test 11g-Flowing mixed gas corrosion test 1 Scope and purpose
This is a detailed standard test method to evaluate the effects of very low concentrations of polluted atmosphere on electrical contacts or electrical connections. 1.1 Reference standards
The clauses contained in the following standards are reduced to the clauses of this standard by reference in this standard. When this standard was published, the version shown was GB/T 5095.111997 bZxz.net
. All standards will be discussed, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T5095.2-1997 Basic test procedures and measurement methods for electromechanical components for electrical equipment Part 2: General inspection, electrical continuity and contact resistance test, insulation test and voltage stress test GH/T5095.7-1997 Electromechanical components for electrical equipment: Basic test procedures and measurement methods Part 7: Mechanical operation test and sealing test
IEC682-60:1995 Environmental testing - Part 2: Test - Test Ke: Flow-through corrosion test 2 Test sample preparation
2.1 Mechanical preparation
Test samples with special parts should be installed and wired according to the detailed specifications. When required by the detailed specifications, the test samples should be operated for a specified number of times before the test. During each test, the detailed specifications should be in the state of the specified components, such as; plugged in or not plugged in. 2.2 Pretreatment
Pretreatment should be carried out according to the requirements of the detailed specifications. 3 Test method
3.1 Initial measurement
When the detailed specification requires, the specified initial measurement is carried out immediately under the standard atmospheric conditions of the test after pretreatment. 3.2 Test severity level
The test severity level is now defined as:
-Test method selected from Table 1;
This table is in accordance with the provisions of IEC682-604 test Ke. Test time:
The preferred values are: 4b, 7l, 10cl, 11d, 21d, the test method and time are as specified in the detailed specification: The guidelines for selecting the test method and time, as well as the description of the test equipment, are specified in 1EC:68-260. No electrical load is applied to the test sample during the test. Table 1
Method;
soVol/Va)
NO.(Val/Vol)
cico vl/Vub)
S0.(1!-5Vol/Vu)
degree,
hourly product change
ng/drr.d)
Note that the gas used may have any harmful effect, 3.3 Final measurement
100+23
1. t-~2, 3
200=50
Fanggang 3
1e0120
230+50
0. 3~-1. C 1. 2~-2. 2
200-20
25 ±1
[.2 ~2. 1
#B/T 5095.11—1997
The test sample shall be subjected to the following tests and shall comply with the requirements specified in the detailed specification. a) Contact resistance test (Test 2) (if applicable): b) Mechanical operation test (Test 13) (if applicable); c) Visual inspection (Test 1a);
4 Details to be specified
Detailed specification requirements This test should specify the following details: 8) Test sample installation and wiring method:
b) Plugged and unplugged state:
Pretreatment time and operation efficiency;
d) Test method to be adopted:
e) Test time:
) Initial measurement:
) Contact resistance test method to be adopted
h) Mechanical operation test to be adopted;
i) Final measurement requirements:
j) What are the differences from the standard test methods. Chapter 8 Test 11h
1 General
1.1 Scope and purpose
The purpose is to establish detailed standard test methods to assess the ability of connectors to withstand the penetration of sand and dust particles. 1.2 Referenced Standards
The clauses contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest version of the following standards. GB/T5095.71997 Basic test procedures and measurement methods for electromechanical components for electronic equipment Part 7: Mechanical operation test and sealing test 2 Preparation of test samples
The test sample should be equipped with common accessories installed according to the detailed specifications and connected with wires. Before or after testing, if the detailed specifications have requirements, it should be plugged and unplugged as required. The plugged connector or the unplugged connector with protective blue on the list should be tested. 3 Test method
3.1 Initial measurement
The initial measurement shall be carried out in accordance with the provisions of the detailed specification. The test sample shall be subjected to test 131 of GB/T5095.7-1997; engagement and disengagement test (also refer to IEC.68-2-68: test L: sand and dust). 3.2 Condition test
3.2.1 Test equipment
The length, cross-section and structure of the test chamber shall be designed to avoid the formation of turbulence in front of the test sample and to limit the existence of such airflow behind the test sample as much as possible: to provide uniform distribution of volume particles in the airflow GB/T 5095.11-1997
The climate test chamber shall have control devices to maintain the following conditions throughout the test: injection temperature (it is recommended to use a light-proof photoelectric tube measurement system): wind speed:
humidity and temperature around the test sample. The sand and dust used for the test shall be abrasive with the following parameters: less than 150m
less than 105km
less than 75pm
less than 4Cpm
less than 20gm
less than 10μm
less than 5yem
2rm F
The particles contain 97% to 99% Si0
3.2.2 Test sample Small position in the test chamber 100%~99% (calculated by weight)
86%~76% (calculated by weight)
70%~60% (calculated by weight)
46%~35% (calculated by weight)
30%~20% (calculated by weight)
19%~~11% (calculated by weight)
11 times 5% (calculated by weight)
5%~1.5% (calculated by weight)
The position of the test sample in the test chamber and the direction relative to the airflow shall comply with the provisions of the detailed specification. 3.2.3 Test composition
Detailed specification specifies the number of cycles to be performed. Each cycle lasts for 2 hours and consists of 4 steps. n) Within 30 minutes, the test chamber shall be stabilized within the following extreme conditions: temperature: (30-3)
relative humidity: 25%:
- Wind speed: The detailed specification specifies that the wind speed is one of 3m/s~100m/s, and the recommended wind speed is (3.0±0.3)m/s1 particle concentration: (5+1.5>g/
h) The above conditions shall be maintained for 30 minutes:
) After 30 minutes, the temperature is adjusted to (65±5)°C, and the other parameters remain unchanged; d) Maintain under the new conditions for 1.
Unless otherwise specified, each position state shall be cycled once. Between each two cycles, the temperature shall be reduced to (30±3) within 2 hours. 3.2.4 Recovery
After the test, in order to prevent the influence of moisture, the sand on the plugged test sample should be removed by shaking, sweeping or brushing, but no blowing or exhaust device should be used to prevent sand from entering the test sample. The test sample should be restored to room temperature until it returns to room temperature. 3.3 Final test (if applicable)
The final test should be carried out in accordance with the provisions of the detailed specification. The test sample should withstand the engagement and separation forces of test 13a, and the separation force value at the first separation should be recorded. 4 Details to be specified
Detailed specification requirements The following details should be specified during this test: a) Installation method and wiring instructions of the test sample; b) Condition of the test sample: plugged or plugged with anti-expansion technology; c) Status of each position and direction of the test sample; d) Initial and final test requirements; e) Wind speed
f) Number of cycles:
What are the differences between GB/T 5095.11 and the standard test method? 1997
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