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GB/T 42284.4-2022 PDF English

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GB/T 42284.4-2022: Road vehicles - Environmental conditions and testing for electrical and electronic equipment for drive system of electric propulsion vehicles - Part 4: Climatic loads
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GB/T 42284.4-2022545 Add to Cart Auto, 9 seconds. Road vehicles - Environmental conditions and testing for electrical and electronic equipment for drive system of electric propulsion vehicles - Part 4: Climatic loads Valid

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GB/T 42284.4-2022: Road vehicles - Environmental conditions and testing for electrical and electronic equipment for drive system of electric propulsion vehicles - Part 4: Climatic loads


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GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 43.040.10 CCS T 36 Road vehicles - Environmental conditions and testing for electrical and electronic equipment for drive system of electric propulsion vehicles - Part 4.Climatic loads (ISO 19453-4.2018, MOD) Issued on. DECEMBER 30, 2022 Implemented on. JULY 01, 2023 Issued by. State Administration for Market Regulation; Standardization Administration of the People’s Republic of China.

Table of Contents

Foreword... 4 Introduction... 7 1 Scope... 9 2 Normative references... 9 3 Terms and definitions... 10 4 Operating temperature ranges... 10 5 Tests and requirements... 12 5.1 Tests at constant temperature... 12 5.2 Temperature cycling tests... 13 5.3 Cold water shock tests... 17 5.4 Salt spray tests... 20 5.5 Humid heat, cyclic test – Dewing test... 26 5.6 Damp heat, steady state test... 28 5.7 Condensation test... 28 5.8 Corrosion test with flow of mixed gas... 31 5.9 Solar radiation test... 32 5.10 Dust test... 32 5.11 Atmospheric pressure test... 33 6 Code for climatic loads... 35 7 Protection against dust and water... 36 Annex A (Informative) Usual tests and requirements for equipment depending on the mounting location... 37 Annex B (Informative) Background information to determine the number of cycles of the salt spray combined test... 38 B.1 General... 38 B.2 Comparison analysis among the salt spray tests... 38 B.3 Background information for the number of cycles of the salt spray combined test.. 39 B.4 Severity according to the mounting location (frequency and amount of water exposure) ... 41 Annex C (Informative) Insulation tests... 42 C.1 General... 42 C.2 Withstand voltage... 42 C.3 Insulation resistance... 43 Bibliography... 45

Foreword

This document was drafted in accordance with the rules provided in GB/T 1.1-2020 Directives for Standardization - Part 1.Rules for the Structure and Drafting of Standardizing Documents. This document is Part 4 of GB/T 42284 Road vehicles - Environmental conditions and testing for electrical and electronic equipment for drive system of electric propulsion vehicles. The following parts have been issued for GB/T 42284. -- Part 1.General; -- Part 3.Mechanical loads; -- Part 4.Climatic loads; -- Part 5.Chemical loads. This document adopts ISO 19453-4.2018 Road vehicles - Environmental conditions and testing for electrical and electronic equipment for drive system of electric propulsion vehicles - Part 4.Climatic loads by modification. Compared with ISO 19453-4.2018, this document makes the following structural adjustments. -- Delete Clause 8 of ISO 19453-4.2018. The technical differences between this document and ISO 19453-4.2018, and the reasons are as follows. -- Remove the ISO and IEC database addresses for standardized maintenance terms, since the terms involved in this document have nothing to do with the ISO and IEC databases for standardized maintenance terms; -- Replace IEC 60068-2-1 (see 5.1.1.1.2) with the normative reference GB/T 2423.1, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60068-2-2 (see 5.1.2.1.2, 5.1.2.2.2) with the normative reference GB/T 2423.2, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60068-2-78 (see 5.6.2) with the normative reference GB/T 2423.3, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60068-2-30 (see 5.5.2) with the normative reference GB/T 2423.4, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60068-2-11 (see 5.4.2.2) with the normative reference GB/T 2423.17, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60068-2-52 (see 5.4.3.2.1) with the normative reference GB/T 2423.18, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60068-2-14 (see 5.2.1.2) with the normative reference GB/T 2423.22, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60068-2-60 (see 5.8.2) with the normative reference GB/T 2423.51, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace IEC 60664-1 (see 5.11.2) with the normative reference GB/T 16935.1, between which the degree of consistency is identical, to adapt to the technical conditions in China and improve operability; -- Replace ISO 16750-1 (see Clause 3) with the normative reference GB/T 28046.1; the degree of consistency between the two documents is modified, to adapt to the technical conditions in China and improve operability; -- Replace ISO 20653 (see 5.10.2) with the normative reference GB/T30038, between which the degree of consistency is modified, to adapt to the technical conditions in China and improve operability; -- Replace ISO 19453-1 (see Clause 3) with the normative reference GB/T 42284.1, between which the degree of consistency is modified, to adapt to the technical conditions in China and improve operability; -- Add the applicable conditions for cold water shock tests (see 5.3.1); -- Adjust the substitution relationship between the salt spray combined test and the other two salt spray tests in 5.4.3.1 and Table 9 in Clause 6.For unsealed systems/components that will cause electrical failure due to salt water entering the DUT, the salt spray combined test can only be used to substitute the test of 5.4.1. This following editorial modifications are also made to this document. -- Change “IP5K0” and “IP5K” in Table A.1 of Annex A to “IP5KX”. The waterproof grade of this part can be determined through negotiation between the supplier and the customer. Please note that some of the contents of this document may involve patents. The issuing organization of this document is not responsible for identifying patents. This document was proposed by the Ministry of Industry and Information Technology of the People’s Republic of China. This document shall be under the jurisdiction of National Technical Committee of Auto Standardization (SAC/TC 114). Drafting organizations of this document. China Automotive Technology and Research Center Co., Ltd., Beijing National New Energy Vehicle Technology Innovation Center Co., Ltd., Henan Tianhai Electric Co., Ltd., Beijing Electric Vehicle Co., Ltd., Contemporary Amperex Technology Co. Limited, CVC Certification & Testing Co., Ltd., Waltek Testing Group Co., Ltd., China National Heavy Duty Truck Group Co., Ltd., China FAW Group Corporation, Dongfeng Liuzhou Motor Co., Ltd., Huawei Technologies Co., Ltd., Dongfeng Automobile Co., Ltd. Dongfeng Nissan Passenger Vehicle Company, Pan Asia Technical Automotive Center Co., Ltd., Xuzhou Xugong Automobile Manufacturing Co., Ltd., Bosch Automotive Products (Suzhou) Co., Ltd. Main drafters of this document. Wen Qinghao, Li Zheng, Jin Xiuying, Ma Wenkai, Zheng Guangzhou, Xu Dian, Liu Xiuling, Chen Ying, Shen Liji, Wu Huan, Song Yinghua, Wang Bojun, Xiong Yu, Wei Min, Jiang Zhi, Zhou Xiaozhen, Xu Feng, Ji Xiaogang.

1 Scope

This document specifies requirements for the electric propulsion systems and components with maximum working voltages according to voltage class B. This document describes the potential environmental stresses and specifies requirements recommended for different stress levels on/in the vehicle. This document contains definitions, mounting location, operating mode and other general requirements.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the version corresponding to that date is applicable to this document; for undated references, the latest version (including all amendments) is applicable to this document. GB/T 2421-2020, Environmental testing - General and guidance (IEC 60068-1.2013, IDT)

3 Terms and definitions

For the purposes of this document, the terms and definitions given in GB/T 28046.1 and GB/T 42284.1 apply.

4 Operating temperature ranges

The applicable temperature ranges are specified in Table 1.Choose the applicable temperature range from Table 1 to be presented in the specifications of the device under test (DUT).

5 Tests and requirements

The purpose of the test is to make sure that the DUT maintains the function even after storage at low temperature. This test simulates the exposure of the DUT to high temperatures without electrical operation, e.g., during the shipment of the system/component. The failure mode is insufficient heat resistance, e.g., warping of plastic housings.

6 Code for climatic loads

See Table 9 for code for climatic loads.

7 Protection against dust and water

Check the DUT in accordance with GB/T 30038.Recommended IP classes are given in Annex A. ......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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