QC/T 218-2017 PDF English
US$350.00 · In stock · Download in 9 secondsQC/T 218-2017: Technical specifications for steering column switch for vehicles Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid QC/T 218: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| QC/T 218-2017 | English | 350 |
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Technical specifications for steering column switch for vehicles
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| QC/T 218-1996 | English | 155 |
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Technical specifications for steering column upper combined switch of automobile
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Excerpted PDFs (Download full copy in 9 seconds upon purchase)PDF Preview: QC/T 218-2017
QC/T 218-2017: Technical specifications for steering column switch for vehicles---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/QCT218-2017
QC
AUTOMOBILE INDUSTRY STANDARD
ICS 43.040.10
T 36
Replacing QC/T 218-1996
Technical specifications for steering column switch
for vehicles
Issued on. JANUARY 09, 2017
Implemented on. JULY 01, 2017
Issued by. Ministry of Industry and Information Technology of PRC
Table of Contents
Announcement... 3
Foreword... 9
1 Scope... 11
2 Normative references... 11
3 Terms and definitions... 12
4 Requirements... 13
5 Test method... 21
6 Inspection rules... 32
7 Marking, packaging, transportation and storage... 34
Announcement
of Ministry of Industry and Information Technology of the
People's Republic of China
No.2, 2017
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009
"Directives for standardization - Part 1.Structure and drafting of standards".
This standard is a revision of QC/T 218-1996 "Technical specifications for
steering column upper combined switch of automobile".
Compared with QC/T 218-1996, the main changes of this standard are as
follows.
- MODIFY the scope of application;
- MODIFY the normative references;
- MODIFY the terms and definitions;
- DELETE the quality of workmanship;
- MODIFY the appearance;
- DELETE the confidentiality requirements;
- DELETE the function;
- DELETE the identification symbol;
- MODIFY the functions and functional characteristics;
- MODIFY the gear and function requirements;
- MODIFY the conversion force (or torque) requirements;
- MODIFY the strength requirements and test methods;
- ADD the requirements and test methods for operating sound;
- MODIFY the requirements of electroplating layer and chemical treatment
layer;
- MODIFY the voltage drop requirements;
- ADD the requirements and test methods for contact flutter;
- MODIFY the requirements and test methods for temperature resistance
performance test, temperature cycle change performance, damp heat cycle
performance;
- ADD the dust resistance requirements and test methods;
- ADD the strength requirements and test methods of identification symbols;
- MODIFY the durability requirements and test methods;
- ADD the requirements and test methods for electronic components;
- MODIFY the insulation resistance requirements;
- ADD the EMC requirements and test methods;
- MODIFY the inspection rules;
- MODIFY the marking, packaging, transportation and storage.
This standard does not involve patents.
This standard was proposed by and shall be under the jurisdiction of the
National Automotive Standardization Technical Committee (SAC/TC 114).
Drafting organizations of this standard. Shanghai Keshida-Huayang Automobile
Electric Co., Ltd., Changsha Automobile Electric Research Institute, Hangzhou
Renren Group Co., Ltd., Changhui Automobile Electric (Huangshan) Co., Ltd.
Drafters of this standard. Xiao Jie, Guo Zhongxin, Hu Mengjiao, Xia Yongzhong,
Li Weiyang, Zhou Anze, Yan Zhonghua, Qian Guojun, Yu Zihang, Wang
Zhengcheng.
This standard was first published in December 1996; this is the first revision.
Technical specifications for steering column switch
for vehicles
1 Scope
This standard specifies the terms and definitions, requirements, test methods,
inspection rules, etc. of the combined switch on the steering column of the
automobile (hereinafter referred to as the "combined switch").
This standard applies to combined switches installed on the steering column of
automobiles.
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 4094 Motor vehicles - Symbols for controls, indicators and tell-tales
QC/T 625-1999 Metallic coatings and conversion coatings for automobiles
GB/T 18655-2010 Vehicles boats and internal combustion engines - Radio
disturbance characteristics - Limits and methods of measurement for the
protection of on-board receivers
GB/T 21437.2-2008 Road vehicles - Electrical disturbances from conduction
and coupling - Part 2.Electrical transient conduction along supply lines only
GB/T 21437.3-2012 Road vehicles - Electrical disturbances from conduction
and coupling - Part 3.Electrical transient transmission by capacitive and
inductive coupling via lines other than supply lines
GB/T 19951-2005 Road vehicles - Test methods for electrical disturbances
from electrostatic discharge
GB/T 33014.2-2016 Road vehicles - Component test methods for
electrical/electronic disturbances from narrowband radiated electromagnetic
energy - Part 2.Absorb-lined shielded enclosure
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1
Steering column switches
It is a device that is installed on the steering column of an automobile and is
composed of switches that control the lights, signals, electrical appliances
and other components of the automobile.
3.2
Electrical steering column switches
The combined switches whose circuit contains electronic components.
3.3
Active electrical steering column switches
An electronic combined switch containing active electronic components in
the circuit. Active electronic components include, for example, analog
amplifier circuits, switching power supplies, microprocessor-based
controllers, etc.
4 Requirements
4.1 General requirements
4.1.1 Product drawings and technical documents.
The combined switch shall meet the requirements of this standard and be
manufactured in accordance with the requirements of the product drawings and
technical documents approved by the prescribed procedures.
4.1.3 Dimensions
The size of the combined switch shall conform to the specifications of the
product drawings of this type.
4.2 Rated load
The rated load of the combined switch shall meet the requirements of the
product technical documents.
4.3 Functions, performance and characteristics
4.4 Strength
After the strength test, the combined switch shall be able to work normally
without damage to the switch structure.
4.5 Operation sound
The operating sound of each function gear of the switch shall not be greater
than 65 dB(A).
4.6 Electroplating layer and chemical treatment layer
The electroplating layer and chemical treatment layer of metal parts shall
comply with the relevant requirements in QC/T 625-1999.
4.8 Contact temperature rise
In the combined switch, if the rated current of a certain switch is greater than 1
A, it needs to conduct a contact temperature rise test. When the rated current
is applied, the temperature rise of the contacts shall not exceed the
requirements in Table 3.
4.9 Contact chattering
When the switch is in the process of switching between various gears, when
the contacts are touching or disconnecting, the chattering time of the contacts
shall be less than 30 ms.
4.10 Temperature resistance performance
4.10.1 Low temperature resistance performance.
4.10.2 High temperature resistance performance
4.10.2.1 High temperature storage performance
After the high temperature storage test of the combined switch, the appearance
shall meet the requirements of 4.1.2.After returning to normal temperature, the
functions, functional characteristics and voltage drop shall meet the
requirements of 4.3.4.7.
4.13 Salt spray resistance
After the combined switch has undergone the salt spray resistance test, its
appearance shall meet the requirements of 4.1.2.The functions, functional
characteristics, and voltage drop shall meet the requirements of 4.3 and 4.7.
There shall be no corrosion pits on the surface after cleaning.
4.14 Dust resistance
After the combined switch is subjected to the dust resistance test, the function,
functional characteristics and voltage drop shall meet the requirements of 4.3
and 4.7.
4.17 Durability
According to the working times of the combined switch specified in Table 4, after
the durability test, the absolute value of the conversion force (or torque) change
shall not be greater than 40% of the value before the test; the allowable voltage
drop shall not be greater than 170% of the value specified in 4.7.Gears and
functions shall meet the requirements of 4.3.1.
4.24 Open circuit test
The electronic combined switch shall be subjected to an open circuit test. After
the test, it shall be turned on and off normally after the normal connection is
restored.
4.25 Short circuit protection
4.25.1 Signal circuit
The combined switch formed by the signal circuit shall be subjected to a short-
circuit protection test. After the test, it shall be turned on and off normally after
the normal connection is restored.
5 Test method
5.1 Test conditions
5.1.1 General test conditions
The general test conditions of the combined switch are as shown in Table 6.
Table 6 -- General test conditions
5.1.2 Test equipment and instruments
Unless otherwise specified, the accuracy of the equipment and instruments
shall meet the requirements of Table 7.
5.3 Dimension check
Use general or special measuring tools that meet the requirements for testing.
5.4 Function and functional characteristic test
5.5 Strength test
5.8 Test of temperature rise of contact
Apply the load as specified in the dedicated product specification to the switch;
connect the circuit to perform the test. Measure the temperature rise at the lead-
out terminal closest to each contact. If the temperature rise value is not greater
than 1 °C within 30 minutes, the temperature can be considered stable; the
measured value is recorded as the test results.
5.10 Temperature resistance performance test
5.10.1 Low temperature resistance performance test
5.12 Cyclic damp heat resistance test
Carry out the test in accordance with the test method specified in 5.6.2.2 of
GB/T 28046.4-2011.
5.13 Salt spray resistance test
Carry out the test in accordance with the test method specified in 5.5.1 of GB/T
28046.4-2011.
5.14 Dust resistance test
Install the combined switch on a special test bench; add all shields and covers,
without closing the drain hole; put it into the test chamber. The dust is Arizona
ash. The air mixed with dust moves for 6 s, then a pause of 15 minutes, which
constitutes 1 cycle; a total of 20 cycles are done.
5.16.2 Adhesion performance test
Test the parts with identification symbols on the combined switch. At a uniform
speed of 20 mm/s ~ 50 mm/s, with a spacing of 1 mm, cut the grid on the surface
of the part identification symbol; then stick a tape (3M 610 model or as
negotiated between the supplier and the buyer) on the cutting surface for 1 min
~ 2 min. Make the surface be torn off at an instant; then evaluate the test items.
5.17 Durability test
5.17.1 Durability test rules
For different parts of the combined switch, test according to the following
methods. For one-piece switches, the same group of samples are used to
perform the following tests in sequence; for split switches, the same group of
samples are used for the same split switch to be tested sequentially; different
split switches can be tested separately.
5.17.6 Wiper switch
Apply load specified in the product specification or other specified loads onto
the switch; at a rate of 6 times/min ~ 10 times/min, carry out the test. Each full
conversion cycle includes the following.
5.17.8 Scrubber switch
Apply load specified in the product specification or other specified loads onto
the switch; at a rate of 6 times/min ~ 10 times/min, carry out the test. Each full
conversion cycle includes the following.
6 Inspection rules
6.1 Exit-factory inspection
6.1.1 The combined switch shall be inspected and qualified before leaving the
factory; meanwhile it shall be accompanied by a product quality certificate or a
qualified document.
6.2 Acceptance inspection
The user has the right to check and accept according to the provisions of GB/T
2828.1.This standard recommends the use of.
6.3 Type test
6.3.1 Inspection conditions
When the combined switch has one of the following conditions, type inspection
shall be carried out.
6.3.2 The sampling and grouping of the type test shall be carried out in
accordance with Table 9.The type test after batch or mass production is allowed
to use 2 sets of products for durability test.
7 Marking, packaging, transportation and storage
7.1 Marking
The marking (identification) of the combined switch shall be clear; the
production batch shall meet the requirements.
7.2 Packaging
The packaging of the combined switch shall comply with the provisions of 6.2
of QC/T 413-2002.
7.4 Storage
If the combined switch meets the above transportation and packaging
conditions, it shall meet the relevant standards within 1 year from the date of
leaving the factory.
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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