GB/T 44288-2024 English PDF

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GB/T 44288-2024: Urban rail transit vehicles - Air conditioning system
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 44288-2024	1039	Add to Cart	7 days	Urban rail transit vehicles - Air conditioning system	Valid

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Basic data

Standard ID: GB/T 44288-2024 (GB/T44288-2024)
Description (Translated English): Urban rail transit vehicles - Air conditioning system
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: S50
Word Count Estimation: 52,589
Date of Issue: 2024-08-23
Date of Implementation: 2024-08-23
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 44288-2024: Urban rail transit vehicles - Air conditioning system

---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.
Urban rail transit vehicles-Air conditioning system Urban rail transit vehicle air conditioning system ICS 45.060.20 CCS S 50 National Standard of the People's Republic of China Released on 2024-08-23 2024-12-01 implementation State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface ... Ⅲ 1 Scope ... 1 2 Normative references ... 1 3 Terms and Definitions ... 1 4 Vehicle Types ... 3 5 System Configuration ... 3 6 General Requirements ... 3 7 Comfort ... 4 8 Main components ... 7 9 Control ... 9 10 Experiments ... 10 11 Inspection Rules ... 22 12 Logo ... 27 13 Packaging, transportation and storage 27 Appendix A (Normative) Passenger heat and moisture dissipation ... 29 Appendix B (Informative) In-vehicle set temperature curve ... 30 Appendix C (Normative) Measurement point arrangement in the vehicle interior comfort zone ... 32 Appendix D (Normative) Relative humidity of air in comfort zone 34 Appendix E (Normative) TL1 test procedure 36 Appendix F (Normative) TL2 test procedure 37 Appendix G (Normative) Equivalent solar load 39 Appendix H (Normative) Inner Surface Sensor Arrangement 40 Appendix I (Normative) External Sensor Arrangement ... 41 References ... 42

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the Ministry of Housing and Urban-Rural Development of the People's Republic of China. This document is under the jurisdiction of the National Technical Committee on Standardization of Urban Rail Transit (SAC/TC 290). This document was drafted by. CRRC Nanjing Puzhen Rolling Stock Co., Ltd., CRRC Corporation Limited, CRRC Qingdao Sifang Rolling Stock Research Institute Co., Ltd., CRRC Qingdao Sifang Co., Ltd., CRRC Changchun Railway Vehicles Co., Ltd., CRRC Dalian Locomotive and Rolling Stock Co., Ltd. Co., Ltd., Central South University, Southwest Jiaotong University, Shanghai Shentong Metro Group Co., Ltd., Shenzhen Metro Group Co., Ltd., Nanjing Metro China Railway Group Co., Ltd., Hangzhou Metro Group Co., Ltd., Beijing Subway Operation Co., Ltd., Shijiazhuang Guoxiang Transportation Equipment Co., Ltd. Company, Shandong Langjin Technology Co., Ltd., and Jinxin Meracre Air Conditioning System (Wuxi) Co., Ltd. The main drafters of this document are. Huang Wenjie, Hu Jigui, Zhu Jianchun, Yan Lei, Gong Jiru, Sha Wenbing, Wang Chunmeng, Wang Yongbiao, Wang Shengguang, You Liwei, Zang Lanlan, Wu Fan, Chen Chunjun, Xi Xiaodong, Xiao Zihong, He Yuqin, Qin Zheng, Guo Yanhui, Feng Xuwei, Wang Shenyu, Wang Zhenggen, Guo Bailing, Sun Fang, and Li Yongjun. Urban rail transit vehicle air conditioning system

1 Scope

This document specifies the vehicle category, system composition, overall requirements, comfort level, main components, Control, testing, inspection rules, marking, packaging, transportation and storage. This document is applicable to the air conditioning system of urban rail transit vehicles with a maximum operating speed of no more than 160 km/h (hereinafter referred to as "air conditioning system" system").

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 191 Pictorial markings for packaging, storage and transportation GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature GB/T 2423.2 Environmental testing for electric and electronic products Part 2.Test methods Test B. High temperature GB/T 9237 Safety and environmental requirements for refrigeration systems and heat pumps GB/T 21413.1 Electrical equipment for rail vehicles Part 1.General conditions of use and general rules GB/T 21562 Specification and examples for reliability, availability, maintainability and safety of rail transit GB/T 21563 Shock and vibration test for rail transit rolling stock equipment GB/T 24338.4 Rail transit Electromagnetic compatibility Part 3﹘2.Rolling stock equipment GB/T 33193.1 Railway vehicle air conditioning Part 1.Comfort parameters GB/T 34571 Rules for wiring of rail vehicles GB/T 40233-2021 Ergonomic physical measurement instruments for thermal environments TB/T 1802 Test method for water tightness of railway vehicles TB/T 1804 Air conditioning units for railway vehicles TB/T 2704 Electric heaters for railway passenger cars and EMUs

3 Terms and definitions

The terms and definitions defined in GB/T 33193.1 and the following apply to this document. 3.1 Air conditioning system Systems for cooling, dehumidifying, heating and/or ventilation. 3.2 Comfort People's comfortable feeling with climatic environment such as temperature, humidity and wind speed. [Source. GB/T 33193.1-2016, 3.1, modified] ......

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