BS ISO 9022-22-2012 Optics and photonics Environmental test methods Combined cold dry heat or temperature change with bump or random vibration《光学和光子学 环境试验方法 低温 干热或带碰撞或随机振动.pdf

《BS ISO 9022-22-2012 Optics and photonics Environmental test methods Combined cold dry heat or temperature change with bump or random vibration《光学和光子学 环境试验方法 低温 干热或带碰撞或随机振动.pdf》由会员分享，可在线阅读，更多相关《BS ISO 9022-22-2012 Optics and photonics Environmental test methods Combined cold dry heat or temperature change with bump or random vibration《光学和光子学 环境试验方法 低温 干热或带碰撞或随机振动.pdf（18页珍藏版）》请在麦多课文档分享上搜索。

1、raising standards worldwide NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW BSI Standards Publication BS ISO 9022-22:2012 Optics and photonics Environmental test methods Part 22: Combined cold, dry heat or temperature change with bump or random vibrationBS ISO 9022-22:2012 BRI

2、TISH STANDARD National foreword This British Standard is the UK implementation of ISO 9022-22:2012. It supersedes BS ISO 9022-10:1998, BS ISO 9022-13:1998, BS ISO 9022-15:1998, BS ISO 9022-16:1998 and BS ISO 9022-19:1994 which are withdrawn. The UK participation in its preparation was entrusted to T

3、echnical Committee CPW/172/1, Optics and Photonics - Fundamental Stan- dards. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its corr

4、ect application. The British Standards Institution 2012. Published by BSI Standards Limited 2012 ISBN 978 0 580 71140 4 ICS 37.020 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the Standards Policy and Str

5、ategy Committee on 30 June 2012. Amendments issued since publication Date Text affectedBS ISO 9022-22:2012 ISO 2012 Optics and photonics Environmental test methods Part 22: Combined cold, dry heat or temperature change with bump or random vibration Optique et photonique Mthodes dessais denvironnemen

6、t Partie 22: Chaleurs sche, froid ou changement de temprature combins avec choc ou vibration alatoire INTERNATIONAL STANDARD ISO 9022-22 First edition 2012-04-15 Reference number ISO 9022-22:2012(E)BS ISO 9022-22:2012ISO 9022-22:2012(E) ii ISO 2012 All rights reserved COPYRIGHT PROTECTED DOCUMENT IS

7、O 2012 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the

8、 country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in SwitzerlandBS ISO 9022-22:2012ISO 9022-22:2012(E) ISO 2012 All rights reserved iii Contents Page Foreword iv Introductio

9、n v 1 Scope 1 2 Normative references . 1 3 T erms and definitions . 1 4 General information and test conditions 1 5 Conditioning . 2 5.1 General . 2 5.2 Conditioning method 22: Cold, dry heat or temperature change combined with bump or random vibration 2 6 Procedure 3 6.1 General . 3 6.2 Test sequen

10、ce with cold or dry heat testing 3 6.3 Test sequence with temperature change 3 6.4 Operating condition of specimen . 3 6.5 Mechanical conditioning of specimen . 4 7 Environmental test code . 4 8 Specification . 5 Annex A (informative) Explanatory notes. 6 Bibliography . 7BS ISO 9022-22:2012ISO 9022-

11、22:2012(E) Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject fo

12、r which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on

13、all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees ar

14、e circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held r

15、esponsible for identifying any or all such patent rights. ISO 9022-22 was prepared by Technical Committee ISO/TC 172, Optics and photonics, Subcommittee SC 1, Fundamental standards. This first edition cancels and replaces ISO 9022-10:1998, ISO 9022-13:1998, ISO 9022-15:1998, ISO 9022-16:1998 and ISO

16、 9022-19:1994 which have been technically revised. ISO 9022 consists of the following parts, under the general title Optics and photonics Environmental test methods: Part 1: Definitions, extent of testing Part 2: Cold, heat and humidity Part 3: Mechanical stress Part 4: Salt mist Part 5: Combined co

17、ld, low air pressure Part 6: Dust Part 7: Resistance to drip or rain Part 8: High pressure, low pressure, immersion Part 9: Solar radiation Part 11: Mould growth Part 12: Contamination Part 14: Dew, hoarfrost, ice Part 17: Combined contamination, solar radiation Part 18: Combined damp heat and low i

18、nternal pressure Part 20: Humid atmosphere containing sulfur dioxide or hydrogen sulfide Part 21: Combined low pressure and ambient temperature or dry heat Part 22: Combined cold, dry heat or temperature change with bump or random vibration Part 23: Low pressure combined with cold, ambient temperatu

19、re and dry or damp heat 1) 1) Under preparation. iv ISO 2012 All rights reservedBS ISO 9022-22:2012ISO 9022-22:2012(E) Introduction Optical and photonic instruments, including additional assemblies from other fields (e.g. mechanical, chemical and electronic devices) are affected during their use by

20、a number of different environmental and handling parameters which they are required to resist without significant reduction in performance, while still remaining within defined specifications. The type and severity of these parameters depend on the conditions of use of the instrument (for example in

21、 the laboratory or workshop) and on its geographical location. The environmental effects on optical instrument performance in tropical and subtropical climates are totally different from those found when they are used in the arctic regions. Individual parameters cause a variety of different and over

22、lapping effects on instrument performance. The manufacturer attempts to ensure, and the user naturally expects, that instruments will resist the likely rigours of their environment throughout their life. This expectation can be assessed by cumulated exposure of the instrument to a range of simulated

23、 environmental parameters under controlled laboratory conditions. The cumulative combination, degree of severity and sequence of these conditions can be selected to obtain meaningful results in a relatively short period of time. In order to allow assessment and comparison of the response of optical

24、instruments to appropriate environ- mental conditions, the ISO 9022 series contains details of a number of laboratory tests which reliably simulate a variety of different environments. The tests are based largely on IEC standards, modified where necessary to take into account features specific to op

25、tical instruments. lt should be noted that, as a result of continuous progress in all fields, optical instruments are no longer only precision-engineered optical products, but, depending on their range of application, also contain additional assemblies from other fields. For this reason, the princip

26、al function of the instrument must be assessed to determine which International Standard should be used for testing. If the optical function is of primary importance, then the relevant part of ISO 9022 is applicable, but if other functions take precedence, then the appropriate Inter national Standar

27、d in the field concerned should be applied. Cases may arise where application of both the relevant part of ISO 9022 and other appropriate International Standards is necessary. ISO 2012 All rights reserved vBS ISO 9022-22:2012BS ISO 9022-22:2012Optics and photonics Environmental test methods Part 22:

28、 Combined cold, dry heat or temperature change with bump or random vibration 1 Scope This part of ISO 9022 specifies methods for the testing of optical instruments, including additional assemblies from other fields (e.g. mechanical, chemical and electronic devices) under equivalent conditions, for t

29、heir ability to resist combined bump or random vibration, in cold, dry heat or temperature change. The purpose of testing is to investigate to what extent the optical, thermal, chemical and electrical performance characteristics of the specimen are affected by combined cold, dry heat or temperature

30、change with bump or random vibration. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendment

31、s) applies. ISO 9022-1, Optics and photonics Environmental test methods Part 1: Definitions, extent of testing ISO 9022-2, Optics and optical instruments Environmental test methods Part 2: Cold, heat and humidity ISO 9022-3, Optics and optical instruments Environmental test methods Part 3: Mechanica

32、l stress IEC 60068-2-47, Environmental testing Part 2-47: Tests Mounting of specimens for vibration, impact and similar dynamic tests IEC 60068-2-64, Environmental testing Part 2-64: Tests Test Fh: Vibration, broadband random and guidance 3 T erms and definitio ns For the purposes of this document,

33、the terms and definitions given in ISO 9022-1 apply. 4 General information and test conditions Exposure of the specimen to combined stress conditions renders the test much more severe than separate exposure to any of the environmental conditions cited. Stress conditions such as cold, dry heat or tem

34、perature change, combined with bump or random vibration, correspond to real conditions under use. In the case of the lifetime test, tests with higher degrees of severity for time reduction, damage-provoked tests, etc., combined test methods such as Burn-In, Run-In or Environmental Stress Screening (

35、ESS) are useful. Burn-In, Run-In or ESS are test methods for optical instruments and instruments containing optical components and/or their electronic assembly, in which the system is switched off or in operation, and exposed to their operating, storage, shipping or other temperature cycles, combine

36、d with sinusoidal or random vibration and operation with under or excess voltage. The aforementioned methods of combined tests are suitable to force potential faults to be detected during first use and to eliminate them before delivery. There are stress factors with different impacts. The choice of

37、combination of test methods should be specific to the products and is therefore not standardized. INTERNATIONAL STANDARD ISO 9022-22:2012(E) ISO 2012 All rights reserved 1BS ISO 9022-22:2012ISO 9022-22:2012(E) The values of temperatures specified in Table 1 are selected from ISO 9022-2, conditioning

38、 methods 10, 11 and 14. The values of mechanical loads specified in Table 1 are selected from ISO 9022-3, conditioning methods 31 and 37. Conditioning methods 10, 11 or 14 are combined with conditioning methods 31 or 37. Combinations are listed in Table 1. Testing shall be conducted in accordance wi

39、th the requirements of ISO 9022-3. The fixture for the specimen shall meet the requirements of IEC 60068-2-47 and shall be thermally insulated, if appropriate. If the specimen is mounted on shock absorbers, time shall be allowed for temperature stabilization of the absorber elements. For the purpose

40、s of this part of ISO 9022, the value of g nis rounded up to the next highest integer, i.e. 10 m/s 2 . 5 Conditioning 5.1 General If temperature change testing is performed, the required exposure time starts with the beginning of temperature change. The temperature of the specimen and of the test ch

41、amber shall be the same. When testing optical instruments, a half-sine shock pulse shall be applied. The specimen shall be subjected to one thousand shocks in each direction along each axis or a specific number of shocks shall be defined. Random vibration shall be digitally controlled. The accelerat

42、ion power spectral density shall be controlled with a vibration control system according to IEC 60068-2-64. Other parameters such as temperature, cold or dry heat, temperature change, type of random vibration, exposure time to temperature, exposure time to vibration, number of shocks, repetition fre

43、quency of shocks, axis of bump or random vibration, state of operation, etc., shall be defined in the relevant specification. 5.2 Conditioning method 22: Cold, dry heat or temperature change combined with bump or random vibration See Table 1. Table 1 Degrees of severity for conditioning method 22: C

44、old, dry heat or temperature change combined with bump or random vibration Parameters to be d e fi n e d i n t h e r e l e v a n t specification Bump: 10 g n , 6 ms (ISO 9022-31-01) a Random vibration: 20 Hz to 150 Hz 0,02 g n 2 /Hz (ISO 9022-37-01) Random vibration: 20 Hz to 500 Hz 0,005 g n 2 /Hz

45、(ISO 9022-37-11) Random vibration: 20 Hz to 2 000 Hz 0,001 g n 2 /Hz (ISO 9022-37-21) Cold: 10 C (ISO 9022-10-02) Exposure time to temperature Number of shocks Repetition frequency of shocks Exposure time to temperature Exposure time to vibration 25 C (ISO 9022-10-05) 35 C (ISO 9022-10-07) aEnvironm

46、ental test code (see Clause 7). 2 ISO 2012 All rights reservedBS ISO 9022-22:2012ISO 9022-22:2012(E) Parameters to be d e fi n e d i n t h e r e l e v a n t specification Bump: 10 g n , 6 ms (ISO 9022-31-01) a Random vibration: 20 Hz to 150 Hz 0,02 g n 2 /Hz (ISO 9022-37-01) Random vibration: 20 Hz

47、to 500 Hz 0,005 g n 2 /Hz (ISO 9022-37-11) Random vibration: 20 Hz to 2 000 Hz 0,001 g n 2 /Hz (ISO 9022-37-21) Dry heat: 40 C (ISO 9022-11-02) Exposure time to temperature Number of shocks Repetition frequency of shocks Exposure time to temperature Exposure time to vibration 55 C (ISO 9022-11-03) 6

48、3 C (ISO 9022-11-04) Temperature change: 10 C/40 C (ISO 9022-14-01) Number of temperature cycles Number of shocks Repetition frequency of shocks Number of temperature cycles Exposure time to vibration 25 C/55 C (ISO 9022-14-02) 35 C/63 C (ISO 9022-14-05) aEnvironmental test code (see Clause 7). 6 Pr

49、ocedure 6.1 General The tests shall be conducted in accordance with the requirements of the relevant specification and the reference documents. 6.2 Test sequence with cold or dry heat testing Specimens may be repositioned for shock or vibration along another axis, at any temperature between ambient and test chamber temperature, provided that there is no formation of condensation, hoarfrost or ice. 6.3 Test sequence with temperature change The first temperature