QC/T 1201.2-2023 English PDF (QCT1201.2-2023)

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QC/T 1201.2-2023: Compatibility of on-board battery swap system for battery electric commercial vehicles - Part 2: Battery swap cooling interface
QC/T 1201.2-2023
QC
AUTOMOBILE INDUSTRY STANDARD
ICS 43.020
CCS T 40
Compatibility of on-board battery swap system for battery
electric commercial vehicles - Part 2.Battery swap cooling
interface
ISSUED ON. DECEMBER 20, 2023
IMPLEMENTED ON. DECEMBER 20, 2023
Issued by. Ministry of Industry and Information Technology of the PRC
Foreword
This document was drafted in accordance with the provisions of GB/T 1.1-2020
"Directives for standardization - Part 1.Rules for the structure and drafting of
standardizing documents".
The document is Part 2 of the QC/T 1201 "Compatibility of on-board battery swap
system for battery electric commercial vehicles" series of standards. Battery swap
cooling interface. The other 4 parts are as follows.
- Part 1.Battery swapping electrical interface;
- Part 3.Battery swap cooling interface;
- Part 4.Battery swapping systems;
- Part 5.Communication between vehicle and battery system.
Please note that some of the contents of this document may involve patents. The issuing
agency of this document does not assume the responsibility for identifying patents.
This document was proposed by AND shall be under the jurisdiction of the National
Technical Committee for Automobile Standardization (SAC/TC 114).
Drafting organizations of this document. Contemporary Amperex Technology Co., Ltd.,
China Automotive Technology and Research Center Co., Ltd., Sichuan New Energy
Vehicle Innovation Center Co., Ltd., Ningbo Daya Auto Parts Co., Ltd., Suzhou Ruike
Connection System Co., Ltd., GCL Energy Technology Co., Ltd., AVIC Optronics
Technology Co., Ltd., Shanghai Jiuxing Energy Technology Co., Ltd., China
Automotive Research and Development Center for New Energy Vehicles (Tianjin) Co.,
Ltd., Shanghai Qiyuanxin Power Technology Co., Ltd., BAIC Foton Motor Co., Ltd.,
Xuzhou XCMG New Energy Vehicle Co., Ltd., FAW Jiefang Automobile Co., Ltd.,
SAIC Hongyan Automobile Co., Ltd., Hanma Technology Group Co., Ltd., Xi'an
Lingchong Chuangxiang New Energy Technology Co., Ltd., Nanjing Kangni New
Energy Vehicle Parts Co., Ltd., Zhejiang Jilin Li Yuancheng New Energy Commercial
Vehicle Group Co., Ltd., Jinmao Smart Transportation Technology (Xiamen) Co., Ltd.,
Xuji Group Co., Ltd., Dongfeng Commercial Vehicle Co., Ltd., Shanghai Electric Bus
New Energy Technology Co., Ltd., Zhengzhou Yutong Group Co., Ltd., Zhejiang
Yuancheng Zhixin Technology Co., Ltd., Anhui Juyi Technology Co., Ltd.
The main drafters of this document. Wu Yuanhe, Wang Kangyu, Cao Dongdong, Li
Liguo, Pan Haifeng, Yang Guohua, Hou Yanli, Wu Zhiming, Xu Xiao, Xiong Yanfeng,
Xu Honggang, Li Yang, Liu Lifang, Zhuang Mingxing, Zhou Zhanfu, Lin Yanzhong,
Shao Changhong, Zhang Huan, Juyang, Zhang Jinwei, Wang Yufeng, Liu Xiaoming, Ji
Yanwen, Zhang Jianping, Wang Qilong, Tong Lifeng, Liu Xiangli, Li Yichuan, Chen
Haibin, Xi Shihong.
Introduction
Battery swapping is one of the important ways to replenish energy for pure electric
commercial vehicles. QC/T 1201 Compatibility of on-board battery swap system for
battery electric commercial vehicles series of standards aims to standardize the
interchangeability of on-board battery swap systems for pure electric commercial
vehicles, thereby achieving interchangeability between vehicles, battery swap systems
and battery swap stations. This series of standards is intended to consist of 5 parts.
- Part 1.Battery swap coupler. The purpose is to standardize the electrical interface
of the battery swap system, including the basic requirements for battery swap
electrical connections, signal definitions, contact coupling sequence, connection
interface, terminal arrangement, dimensional parameters.
- Part 2.Battery swap cooling interface. The purpose is to standardize the battery
swap cooling interface, including the basic performance requirements of the
cooling interface, the structure and dimensions of the cooling interface assembly,
the battery end, the vehicle end.
- Part 3.Power swapping mechanism. The purpose is to standardize the mechanical
interface forms and dimensions such as the gripping interface, bearing surface,
guide positioning, locking, etc. of the battery swap battery system, as well as the
installation position of the electrical interface and cooling interface, to ensure the
gripping performance, guide positioning capability, locking capability of the
battery swap battery system, thereby achieving the interchangeability of the battery
swap system in terms of structural form.
- Part 4.Battery swapping systems. The purpose is to standardize the battery
swapping system, including the general requirements, structure, size of the battery
swapping system.
- Part 5.Communication between vehicles and battery systems. The purpose is to
achieve barrier-free communication between vehicles from different manufacturers
and batteries from different manufacturers after swapping, by specifying high-
voltage architecture, power-on and power-off logic, interactive signals.
Compatibility of on-board battery swap system for battery
electric commercial vehicles - Part 2.Battery swap cooling
interface
1 Scope
This document specifies the general requirements and structural dimension
requirements for the cooling interface of the on-board battery swap system of pure
electric commercial vehicles with back-type battery swap.
This document is applicable to category N2 and N3 pure electric vehicles with overall
battery swap of back-type battery system. Other forms of battery swap vehicles can
make reference to this document.
2 Normative references
The contents of the following documents constitute the essential terms of this document
through normative references in the text. Among them, for dated references, only the
version corresponding to that date applies to this document; for undated references, the
latest version (including all amendments) applies to this document.
GB/T 19596 Terminology of electric vehicles
GB/T 40032-2021 Safety requirements of battery swap for electric vehicles
3 Terms and definitions
The terms and definitions defined in GB/T 19596, as well as the following terms and
definitions, apply to this document.
3.1
Swapable battery system
During the battery swap process, the power battery system that is replaced as a whole,
which generally includes. power battery, battery management system, battery
bracket, battery swap electrical interface, battery swap mechanical interface, etc.; it
can be charged and discharged in the off-board state.
3.2