QC/T 896-2011Interfaces of drive motor systems for electric vehicles (English PDF)
电动汽车用驱动电机系统接口
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
December 20, 2011
Implementation date
July 1, 2012
Scope
QC/T 896-2011 is the English-translated version of 电动汽车用驱动电机系统接口.
QC/T 896-2011 is the Chinese automotive industry standard defining how the drive motor system of an electric vehicle connects to the rest of the car.
On the electrical side it sets the interface types and signal definitions between motor and controller and between controller and vehicle, distinguishing quick-connector and fixed-terminal connection of the power interface and the connection of the control signal interface.
It also gives general requirements for the mechanical interface, including installation of the motor and controller and the link between motor and transmission, and the selection of coolant interfaces for liquid-cooled units.
An informative annex shows installation dimensions and methods for the motor control signal connector, such as the 12-core type. Auxiliary motor systems on vehicles fall outside its scope. Issued on 20 December 2011, it has applied since 1 July 2012.
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Document preview — QC/T 896-2011
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword6
- 1 Scope7
- 2 Normative references7
- 3 Terms and definitions7
- 4 Connection methods8
- Appendix A (Informative) Installation dimensions AND installation methods of electrical machine's control signal connector14
Foreword
This standard was drafted in accordance with the rules specified in GB/T 1.1-2009.
1 Scope
This standard specifies the electrical interface type and signal definition of the electrical machine system for electric vehicles, AND provides the general requirements for the mechanical interface of the electrical machine system.
This standard is applicable to the electrical machine system for electric vehicles, not applicable to the auxiliary machine system for automotive.
2 Normative references
The following documents are essential to the application of this document.
For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this Standard.
GB/T 11918 Plugs, socket - outlet and couplers for industrial purposes - Part 1: General requirements
GB 14711-2006 Safety requirements of small and medium size rotating electrical machines
GB/T 18488 General specification of the electrical machines and controllers for electric vehicles
GB/T 19596 Terminology of electric vehicles
QC/T 417.1 Road vehicles - Connections for on-board electrical wiring harnesses - Part 1: Definitions, test methods and general performance requirements (the automobile part)
3 Terms and definitions
The terms as defined in GB/T 19596, QC/T 417.1 AND the following definitions apply to this standard.
3.1 Electrical interface
It refers to the electrical components which are used to connect the electrical machine AND the controller, as well as the Controller AND the complete vehicle, including the power electrical interface AND the signal electrical interface.
3.2 Mechanical interface
It refers to the connection components which are used to connect the electrical machine system AND the relevant parts, including the interface between the electrical machine and the transmissions.
3.3 Cooling pipeline interface
It refers to the cooling pipeline interface between the electrical machine system AND the complete vehicle.
4 Connection methods
4.1 Electrical interface
4.1.2 Connection method of power electrical interface.
The connection methods of power electrical interface include quick connection method and fixed connection method. The quick connection method adopts the quick connector for connection purposes; AND the fixed connection method adopts the connection terminal for connection purposes.
4.1.3 Connection methods of control signal interface.
4.1.1 General requirements
The protection against electric shock, grounding measures, enclosure protection class, AND contact resistance, etc, of the electrical interface shall be in accordance with the relevant requirements of GB/T 11918;
4.2 Mechanical interface
4.2.1 Installation methods
The installation methods of the electrical machine AND the controller shall be determined by the production unit and the user through negotiation, AND it shall satisfy the shaking resistance AND the protection requirements of complete vehicle.
4.3 Cooling pipeline connection
Transmission torque (N·m) Modulus (mm) Number of teeth Pitch circle diameter (mm) Pressure angle (o)
As for the electrical machine AND the controller using coolant, it shall, in accordance with Table 8, select the coolant interface.
Appendix A (Informative)
Installation dimensions AND installation methods of electrical machine's control signal connector
A.1 Installation dimensions AND installation methods of 12-core
electrical machine's control signal connector The installation dimensions AND installation methods of 12-core electrical machine's control signal connector shall be in accordance with the provisions of Figure A.1. […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 18488Drive motor systems for electric vehicles
- GB/T 19596Terminology of electric vehicles
- QC/T 417.1Road vehicles - Connectors for on-board electrical wiring harnesses - Part 1: Definitions, test methods and general performance requirements (automobiles)
GB/T 11918 · GB 14711-2006
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