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GB/T 44288-2024Urban rail transit vehicles—Air conditioning system (English PDF)

城市轨道交通车辆空调系统

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

August 23, 2024

Implementation date

December 1, 2024

Scope

GB/T 44288-2024 is the English-translated version of 城市轨道交通车辆空调系统.

GB/T 44288-2024 is the Chinese national standard covering urban rail transit vehicles, Air conditioning system. Issued on 23 August 2024, it has been in force since 1 December 2024.

Document preview — GB/T 44288-2024

National Standard of the People's Republic of China

ICS: 45.060.20
Classification: S 50

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

PrefaceIII
1 Scope1
2 Normative references1
3 Terms and Definitions1
4 Vehicle Types3
5 System Configuration3
6 General Requirements3
7 Comfort4
8 Main components7
9 Control9
10 Experiments10
11 Inspection Rules22
12 Logo27
13 Packaging, transportation and storage27
Appendix A (Normative) Passenger heat and moisture dissipation29
Appendix B (Informative) In-vehicle set temperature curve30
Appendix C (Normative) Measurement point arrangement in the vehicle interior comfort zone32
Appendix D (Normative) Relative humidity of air in comfort zone34
Appendix E (Normative) TL1 test procedure36
Appendix F (Normative) TL2 test procedure37
Appendix G (Normative) Equivalent solar load39
Appendix H (Normative) Inner Surface Sensor Arrangement40
Appendix I (Normative) External Sensor Arrangement41
References42

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

GB/T 191

GB/T 2423.1

GB/T 2423.2

GB/T 9237

GB/T 21413.1

GB/T 21562

GB/T 21563

GB/T 24338.4

GB/T 33193.1

GB/T 34571

GB/T 40233-2021

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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 40 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 191Graphical symbols marking for handling and storage of packages

GB/T 2423.1 · GB/T 2423.2 · GB/T 9237 · GB/T 21413.1 · GB/T 21562 · GB/T 21563 · GB/T 24338.4 · GB/T 33193.1 · GB/T 34571 · GB/T 40233-2021

Editions of GB/T 44288

Edition	Title	Revision	Status
GB/T 44288-2024	Urban rail transit vehicles - Air conditioning system	current edition	Current

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