QC/T 841-2010 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| QC/T 841-2010 | English | 150 |
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Electric vehicle conductive charge coupler
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QC/T 841-2010: Electric vehicle conductive charge coupler---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/QCT841-2010
QC
AUTOMOTIVE INDUSTRY STANDARD
ICS 43.080
T 47
Electric vehicle conductive charge coupler
Issued on. NOVEMBER 22, 2010
Implemented on. MARCH 01, 2011
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword... 5
Electric vehicle conductive charge coupler... 6
1 Scope... 6
2 Normative references... 6
3 Terms and definitions... 7
4 Technical parameters... 8
5 Charging mode of electric vehicle... 8
6 Classification and function definition of charger coupler... 9
7 Charge coupler structure size... 14
8 Requirements... 14
9 Test methods... 18
10 Inspection rules... 23
Appendix A (Informative) Control guidance circuit... 25
Appendix B (Informative) DC charging safety protection principles satisfying
with charging mode 4... 35
Appendix C (Normative) Charge coupler structure size... 41
Foreword
Appendix A and Appendix B of this standard are informative; Appendix C is
normative.
This standard was proposed by AND shall be under the jurisdiction of the
National Automotive Standardization Technical Committee.
The drafting organizations of this standard. Tianjin Qingyuan Electric Vehicle
Co., Ltd., China Electric Power Research Institute, China Automotive
Technology Research Center, Shenzhen BYD Automobile Co., Ltd., Chery
Automobile Co., Ltd., Amphenol Precision Connector (Shenzhen) Co., Ltd.,
Suzhou Industrial Park Dostar Technology Co., Ltd., Beijing Jiaotong University,
Beijing Institute of Technology, Henan Tianhai Electric Co., Ltd.
The main drafters of this standard. Zhao Chunming, Wu Zhixin, Jia Junguo,
Meng Xiangfeng, Zhang Jianhua, Li Qing, Li Lei, Zhou Guangrong, Wang
Zhenpo, Jiang Jiuchun, Yin Jiatong, Xin Minghua, Fang Yunzhou, Liu Guibin,
Wu Bin, Wu Shangjie, Zuo Haiqing.
Electric vehicle conductive charge coupler
1 Scope
This standard specifies the terminology and definition, technical parameters,
charging mode, classification and functional definition, structural dimensions,
performance requirements, test methods and inspection rules for the
conductive charge coupler of electric vehicles.
The standard specifies two kinds of charge couplers. one is to provide AC power
supply to the on-board charger AND the other is to provide DC power supply to
the electric vehicles.
This standard applies to the charging cables of AC rated voltage 220 V AND
DC rated voltage not exceeding 750 V which are used for the electric vehicles
as well as the conductive charge coupler used at the connection side of the
electric vehicle; the conductive charge coupler used between the charging
cable and the off-board charging equipment or AC power supply can make
reference to this standard.
2 Normative references
The provisions in following documents become the provisions of this Standard
through reference in this Standard. For the dated references, the subsequent
amendments (excluding corrections) or revisions do not apply to this Standard;
however, parties who reach an agreement based on this Standard are
encouraged to study if the latest versions of these documents are applicable.
For undated references, the latest edition of the referenced document applies.
GB/T 156-2007 Standard voltage (IEC 60038.2002, MOD)
GB 2099.1 Plugs and socket-outlets for household and similar purposes -
Part 1.General requirements (GB 2099.1-2008, IEC 60884-1.E3.1, MOD)
GB 4208 Degrees of protection provided by enclosure (IP code) (GB 4208-
2008, lEC 60529.2001, EQV)
GB/T 11918-2001 Plugs, socket-outlets and couplers for industrial purposes
- Part 1.General requirements (IEC 60309-1.1999, IDT).
GB/T 18487.1 Electric vehicle conductive charging system - Part 1.General
requirements (GB/T 18487.1-2001, IEC 61851-1.2001, EQV)
3 Terms and definitions
The following terms and definitions as established in GB/T 18487.1, GB/T
19596 and GB/T 20234 AND the following terms and definitions apply to this
standard.
3.1
Charge coupler
It refers to the charging parts used to connect the mobile cables and electric
vehicles, which is composed of the connector and inlet.
3.2
Conductive charge
It refers to the method of charging the electric vehicle through electric
conduction.
3.3
Terminal
It refers to the conductive part which can form the electrical path after the
connector is plugging into the inlet.
4 Technical parameters
4.1 Nominal value of the charge coupler
The nominal values of the electrical parameters shall be in accordance with
GB/T 156.
4.1.1 Rated voltage.
0 to 36V (for signal and control purposes only); 220V (AC); 400V (DC); 750V
(DC)
5 Charging mode of electric vehicle
5.1 Charging mode 1.When the electric vehicle is connected to the AC power
grid, the connector and inlet which complies with the GB 2099.1 that the rated
current is not less than 16A are used at the power side, the phase line, neutral
line, and grounding protection conductor are used at the power side, AND the
leakage protector is used at the power side.
5.3 Charging mode 3.When the electric vehicle is connected to the AC grid, a
dedicated power supply is used to directly connect the electric vehicle to the AC
power grid; AND on the dedicated power equipment is installed with the control
guiding device.
5.4 Charging mode 4.When the electric vehicle is connected to the AC grid, an
off-board charger is used to indirectly connect the electric vehicle to the AC
6 Classification and function definition of charger
coupler
6.1 Classification of charge coupler
This standard specifies two kinds of charge couplers.
6.2 Functions of charge coupler
6.2.1 AC Charge coupler classification.
6.2.2 DC charge coupler function.
6.2.2.1 Electrical parameter value and function definition.
The DC charge coupler contains 9 pairs of terminals, the electrical parameters
and function definitions of which are as shown in Table 3.
7 Charge coupler structure size
As for the structure size of the AC charge coupler and the DC charge coupler,
SEE Appendix C.
8 Requirements
8.1 Structural requirements
8.1.1 The surfaces easily contacted by the connector and the inlet shall be free
from burrs, flashings or similar sharp edges.
8.1.4 The terminals of the connector and the inlet shall be marked with the
symbol as specified in 4.2.
8.1.5 After the inlet is installed on the electric vehicle, its marking of the rated
voltage and the rated current shall be easily identifiable.
8.1.6 Color marking of charging mode.
In the distinct area of the connector (e.g. the control button surface of the
locking device), it shall use different colors to represent different charging
modes.
8.1.7 Locking device.
The charge coupler shall have a lockout function to prevent accidental
disconnection during charging process. In the locked state, when applying twice
of the pull-out force of the force as specified in 8.1.10, the connection shall not
be disengaged AND the lockout device shall not be damaged.
8.1.8 Charging cable specifications and their connections.
8.1.10 Insertion and pull-out force.
8.1.11 Breaking capacity.
8.2.5 Corrosion resistance.
When the metallic parts of the connector and the inlet are subjected to the
corrosion resistance performance test in accordance with the test methods as
specified in 9.15, the metallic surface shall be free from apparent corrosion.
8.2.6 Insulation resistance.
When the terminals of the connector and the inlet as well as the terminal and
other metallic parts are subjected to the insulation resistance test in accordance
with the test methods as specified in 9.16, the insulation resistance shall not
exceed 10 MΩ.
8.2.7 Insulation voltage withstanding performance.
When the terminals of the connector and the inlet as well as the terminal and
other metallic parts are subjected to the insulation voltage withstanding
performance test in accordance with the test methods as specified in 9.17, the
insulation shall not be broken down.
9 Test methods
9.1 General provisions
9.1.1 Environmental conditions.
Unless otherwise stated, the test shall be conducted at an ambient temperature
of 18 °C ~ 28 °C, a relative humidity of 45% ~ 75%, AND an atmospheric
pressure of 86 kPa ~ 106 kPa.
9.2 Visual inspection
USE the visual inspection method to conduct appearance inspection against
the connector and the inlet.
9.3 Locking device test
ENGAGE the connector and the inlet, and MAKE the locking device be at the
lockout state; APPLY the pull-out force as specified in 8.1.7; CHECK the
function of the locking device.
9.4 Charging cable test
CHECK the appearance of the charging cable conductors.
9.5 Terminal test
9.6 Insertion and pull-out force test
USE instrument (such as the spring scale and weight, etc.) to test the insertion
and pull-out force between the power connector and the power inlet, and
vehicle connector and vehicle inlet.
9.7 Breaking capacity test
CONDUCT the breaking capacity test in accordance with the provisions of
Chapter 20 of GB/T 11918-2001.The breaking capacity as shown in Table 6
(replacing the Table 6 of GB/T 119 18-2001) is the breaking capacity test
parameters.
9.8 Protection degree test
CONDUCT the protection degree test in accordance with the provisions of GB
4208.
9.18 Service life test
After the connector and the inlet finished insertion & pull-out test and
temperature rise test, under the conditions of maintaining the rated voltage
supply from the power equipment to the connector,
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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