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GB/T 24986.4-2017: Evaluation methods for reliability on household and similar electrical appliances -- Part 4: Particular requirements for room air conditioners
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 24986.4-2017 | English | 239 |
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Evaluation methods for reliability on household and similar electrical appliances -- Part 4: Particular requirements for room air conditioners
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GB/T 24986.4-2017
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Basic data | Standard ID | GB/T 24986.4-2017 (GB/T24986.4-2017) | | Description (Translated English) | Evaluation methods for reliability on household and similar electrical appliances -- Part 4: Particular requirements for room air conditioners | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | Y61 | | Classification of International Standard | 97.030 | | Word Count Estimation | 12,121 | | Date of Issue | 2017-11-01 | | Date of Implementation | 2018-05-01 | | Regulation (derived from) | National Standard Announcement 2017 No. 29 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | GB/T 24986.4-2017: Evaluation methods for reliability on household and similar electrical appliances -- Part 4: Particular requirements for room air conditioners
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Evaluation methods for reliability on household and similar electrical appliances-Part 4. Particular requirements for room air conditioners
ICS 97.030
Y61
National Standards of People's Republic of China
Household and similar electrical appliances reliability evaluation method
Part 4. Particular requirements for room air conditioners
Part 4.Particularrequirementsforroomairconditioners
Posted.2017-11-01
2018-05-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Foreword Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Significance and purpose of reliability evaluation 1
5 reliability evaluation parameters and indicators 1
6 distribution hypothesis 2
Method of reliability evaluation 2
8 Test 2
9 fault criteria and statistics 3
Data Processing 3
Appendix A (informative) air conditioner MTBF recommended value 5
Appendix B (Informative) Test requirements for life assessment 6
Appendix C (informative) service life evaluation data processing 7
Foreword
GB/T 24986 "Household and similar electrical appliances reliability evaluation method" includes the following sections.
--- Part 1. General requirements;
--- Part 2. Particular requirements for refrigerators (freezers);
--- Part 3. Washing machine special requirements;
--- Part 4. Room air conditioners special requirements.
This section GB/T 24986 Part 4.
This section GB/T 24986.1-2010 "Household and similar electrical appliances reliability evaluation method Part 1. General requirements" with
use.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China National Light Industry Council.
This part of the National Household Electrical Standardization Technical Committee (SAC/TC46) centralized.
This part of the drafting unit. Haier Group, China Household Electrical Appliances Research Institute, Qingdao Zhonghai Bo Rui Detection Technology Services Ltd., industry
And the Fifth Ministry of Information Electronics Institute, Wei Kai Detection Technology Co., Ltd., Qingdao City Product Quality Supervision, Inspection, Qingdao Haier air conditioners have
Limited company, Guangdong Midea Refrigeration Equipment Co., Ltd., Jiangsu Chunlan Refrigeration Equipment Co., Ltd., Guangdong Wanhe New Electric Co., Ltd.
Standard letter (Beijing) Certification Co., Ltd., Shenzhen, China Measurement Technology Co., Ltd. test.
The main drafters of this section.Lee Wendong, Li Xun, Liu Guigui, Huang Xuanqing, Wang Bin, Li Hongwei, Gao Ping, Chen Zhankai, Zheng Chongkai, Li Kewei,
Guo Xiaolin, Yang Kejun.
Household and similar electrical appliances reliability evaluation method
Part 4. Particular requirements for room air conditioners
1 Scope
GB/T 24986 provisions of this part of the room air conditioners (hereinafter referred to as air conditioners) quantitative evaluation of reliability parameters, indicators and
Its evaluation method.
This section applies to meet the GB/T 7725 air conditioner reliability evaluation.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2900.13 Electrotechnical terminology credibility and quality of service
GB/T 5080.7-1986 Equipment reliability test Constant failure rate assumption failure rate and mean time to failure test
Experience program
GB/T 7725 room air conditioners
Air conditioners for household and similar purposes - Test method for reliability of air conditioners GB/T 24985-2010
GB/T 24986.1 Household and similar electrical appliances reliability evaluation method Part 1. General requirements
3 Terms and definitions
GB/T 2900.13, GB/T 24986.1 defined and the following terms and definitions apply to this document.
3.1
Validation interval of MTTFF [(MTTFF) L, (MTTFF) U] demonstratedMTTFFinterval
Under test conditions, the possible range of true MTTFF. That is, the interval estimation of MTTFF under the specified confidence level. (MT-
TFF) U is called upper confidence limit; (MTTFF) L is called lower confidence limit.
4 reliability evaluation of the meaning and purpose
This chapter GB/T 24986.1 applies.
5 reliability evaluation parameters and indicators
5.1 reliability parameter selection
5.1.1 Air conditioner selection reliability parameters include. average time to first failure (MTTFF), mean time between failure (MTBF), so that
Use life.
5.1.2 Monitor and verify the earlier failure of the air conditioner, use the average time to first failure (MTTFF) as the evaluation parameter.
5.1.3 Monitoring and verification of air conditioners during the service life of the fault, the selection of mean time between failure (MTBF) as the evaluation parameters.
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