QC/T 1204.4-2024 Compatibility of on-board battery swap system for battery electric passenger vehicles - Part 4: Battery swap pack
1 Scope
This document specifies the general requirements and dimensional requirements for battery swap packs in on-board battery swap system for battery electric passenger vehicles.
This document is applicable to on-board battery swap packs for battery electric passenger vehicles.
2 Normative references
The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
GB/T 19596 Terminology of electric vehicles
GB/T 40032 Safety requirements of battery swap for electric vehicles
3 Terms and definitions
For the purposes of this document, the terms and definitions given in GB/T 19596 and GB/T 40032 apply.
4 General requirements
4.1 The overall dimensional tolerance of the battery swap pack shall meet the requirements of Table 1. At the same time, the dimensional tolerance of the fixed point position, the electrical interface position and the cooling interface position shall be within the range of -2mm to 2mm.
4.2 The structural strength of the battery swap pack shall be able to meet the needs of battery swap throughout the life cycle.
4.3 The battery swap operation shall be carried out between battery swap packs with the same dimensions, cooling interface, electrical interface, and battery swap mechanism.
Table 1 Requirements for overall dimensional tolerance of battery packs
Range of dimensions/mm Tolerance/mm
0~3 ±0.5
>3~6 ±1.0
>6~30 ±1.5
>30~120 ±2.0
>120~400 ±3.0
>400~1,000 ±4.0
>1,000~2,000 ±6.0
>2,000~4,000 ±8.0
5 Dimensional requirements
5.1 Integral non-flat battery swap pack
5.1.1 Overall dimension
The overall structure of the integral non-flat battery swap pack is shown in Figure 1, and the overall dimensions shall meet the requirements of Table 2.
Foreword i
Introduction ii
1 Scope
2 Normative references
3 Terms and definitions
4 General requirements
5 Dimensional requirements
