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QC/T 1102-2019 (QC/T1102-2019)

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QC/T 1102-2019: PDF in English (QCT 1102-2019)

QC/T 1102-2019
ICS 43.040.60
T 26
Power sliding door system for automobile
Issued by: Ministry of Industry and Information Technology of PRC
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Technical requirements ... 6
5 Test methods ... 10
6 Inspection rules ... 17
7 Marking, packaging, transportation, storage ... 19
Power sliding door system for automobile
1 Scope
1.1 This standard specifies the technical requirements, test methods, inspection rules
and marking, packaging, transportation, storage of the power sliding doors, for category
M1 automobile, which is driven by synchronous pulley or cable.
1.2 This standard is applicable to the power sliding door system for automobiles, which
have a nominal voltage of 12V and 24V, hereinafter referred to as "power sliding door".
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) is
applicable to this standard.
GB/T 191 Packaging - Pictorial marking for handling of goods
GB/T 4208 Degrees of protection provided by enclosure (IP code)
GB/T 6461 Methods for corrosion testing of metallic and other inorganic coatings
on metallic substrates - Rating of test specimens and manufactured articles subjected
to corrosion tests
GB/T 10125 Corrosion tests in artificial atmospheres - Salt spray tests
GB 15086 Motor vehicles - Door locks door hinges - Performance requirements and
test methods
GB/T 17626.3 Electromagnetic compatibility - Testing and measurement techniques
-Radiated, radio-frequency, electromagnetic field immunity test
GB/T 18655 Vehicles, boats and internal combustion engines - Radio disturbance
characteristics - Limits and methods of measurement for the protection of on-board
GB/T 21437.2-2008 Road vehicles - Electrical disturbances from conduction and
coupling - Part 2: Electrical transient conduction along supply lines only
GB/T 28957.1 Road vehicles - Test dust for filter evaluation - Part 1: Silicon dioxide
test dust
QC/T 413 Basic technical conditions of automotive electrical equipment
3 Terms and definitions
The following terms and definitions apply to this document.
Power sliding door system for automobile
It is a device, which is generally composed of power output mechanism assembly,
drive guide device, electronic control unit, door lock and door holder, anti-pinch
components, etc. Its control is authorized by contact switch, remote control or
intelligent terminal. It is driven by DC motor. Through the transmission of
synchronous pulley OR the transmission of cables, moving mechanism parts, etc., it
opens or closes the car door, along the front and rear directions of the side wall guide
rail assembly. It has an anti-pinch function.
Power output mechanism assembly
It is generally composed of drive motor, clutch (optional), wire wheel or gear, cable
or belt, installation bracket, etc.
Driven guide appliance
It is generally composed of guide wheel, guide wheel installation bracket, guide
wheel sheath, etc.
Moving mechanism
The mechanism assembly, that completes the prescribed movement of the sliding
door, under the drive of the motor.
Electric control unit
It is a device that provides power input for sliding door drive mechanism, door lock
system, anti-pinch components, etc., AND controls the action logic of each assembly,
according to instructions.
4.1.2 When the electric drive system fails, the sliding door shall be able to be opened
or closed manually.
4.1.3 Any operation on the sliding door shall not cause damage to other electrical
4.1.4 During the closing process of the sliding door, after encountering an obstacle and
triggering the anti-pinch function, the sliding door shall immediately stop moving AND
retreat to the designated position, in the opposite direction.
4.1.5 For power sliding doors, which are equipped with self-priming locks (latch), the
self-priming force shall not be less than 500 N.
4.1.6 When the speed of the vehicle is not less than 3 km/h, the power sliding door shall
not be opened electrically.
4.1.7 After the power sliding door is installed according to the drawings, it shall run
smoothly, be light and flexible, have no abnormal sound, chatter, stuck, impact, or other
undesirable phenomena.
4.1.8 The power sliding door shall be clean in appearance, free from scratches and
contamination. The surface of the plastic parts shall be flat, free from blisters, cracks
and deformations affecting the use. The surface of the metal parts shall be free from
spots, cracks, rust and burrs. The electrophoretic layer, electroplating layer, chemical
treatment layer is uniform in color.
4.1.9 The power sliding door shall have the function of child lock.
4.2 Basic performance
4.2.1 Working temperature: -30 °C ~ 80 °C.
4.2.2 Working voltage: The working voltage range of 12V voltage system is DC (9 ~
16) V; the working voltage range of 24V voltage system shall be DC (18 ~ 32) V.
4.2.3 Working current: The working current of the 12V voltage system is not greater
than 20A; the locked rotor current is not greater than 35A. The working current of the
24V voltage system is not greater than 20A; the locked rotor current is not greater than
4.2.4 Anti-pinch force
Carry out the test according to the test method of 5.4.3. After the test, the following
requirements shall be met:
a) When the power sliding door is closed, the opening of the sliding door is within
200 mm; the anti-pinch force shall be not more than 100 N, at normal temperature
and on a flat slope. In other cases, the anti-pinch force shall be no more than 250
b) For systems with anti-pinch bars, the anti-pinch force of the anti-pinch bars shall
not exceed 50 N. When the door lock works from the half-lock to the full-lock
section, the anti-pinch bar can normally achieve anti-pinch detection;
c) The anti-pinch force, in the opening direction, shall not be greater than 350 N.
4.2.5 The minimum power consumption quiescent current of the power sliding door
ECU standby shall be less than 0.5 mA.
4.2.6 Definition of power sliding door’s opening and closing time: Opening and closing
the door 5 s ~ 9 s, at normal temperature and flat slope.
4.3 Noise
After the power sliding door is tested according to 5.5, the noise shall not be greater
than 65 dB(A).
4.4 High temperature resistance, low temperature resistance, resistance to
alternate temperature change
After the power sliding door is tested according to 5.6, it shall meet the requirements
of 4.1.4, 4.1.7, 4.2. The plastic parts shall not have cracks; it shall not have changes in
shape, color, surface state.
4.5 Overvoltage performance
After the power sliding door is tested according to 5.7, it shall meet the requirements
of 4.1.4, 4.1.7, 4.2.
4.6 Vibration resistance
After the power sliding door is tested according to 5.8, the connection parts of the
various parts of the sliding door shall be fastened firmly AND shall not loosen or fall
off. All parts shall be free of any damage. It shall be able to operate normally, when
installed on the door of the real vehicle or on the simulated bench. The performance
shall meet the requirements of 4.1.4, 4.1.7, 4.2.
4.7 Impact resistance
After the power sliding door is tested according to 5.9, the parts in the sliding door
system shall not have any damage. The connection parts shall be fastened firmly; it
shall not loosen or fall off. The plastic parts shall not be broken. The stamping parts
shall not be de-soldered. The performance shall meet the requirements of 4.1.4, 4.1.7,
4.8 Corrosion resistance
of GB 15086.
5 Test methods
5.1 Test sample
The test sample requirements are as follows:
a) The test sample shall be fully tested and conform to the dimensions of the design
drawings; the installation and fixing bolts and nuts have reached the required
minimum torque;
b) All involved samples shall be mounted on a real vehicle or a split vehicle body or
a jig that simulates a real vehicle (simulating bench).
5.2 Test conditions
It is usually carried out under the following conditions, with special instructions in
special cases:
a) Power supply voltage: DC (13.5 V ± 0.3 V) for 12V power system; DC (27 V ±
0.6 V) for 24V power system;
b) Temperature: 23 °C ± 5 °C;
c) Relative temperature: 45% ~ 75%.
5.3 Inspection of general requirements
5.3.1 Appearance inspection: Visual inspection.
5.3.2 Functional inspection: Open and close the power sliding door, in the installed state
10 times, to check its basic performance. During the normal opening and closing
process of the sliding door, the self-priming door lock system shall be able to overcome
the door sealing load, which is not more than 500 N.
5.4 Basic performance test
5.4.1 Working voltage test
a) The power sliding door of the 12V electric system is opened and closed twice,
under the voltages of DC (9 V ± 0.1 V) and DC (16 V ± 0.1 V), respectively, to
check whether the power sliding door or the simulating device is running
b) The power sliding door of the 24V electric system is opened and closed twice,
under the voltages of DC (18 V ± 0.1 V) and DC (32 V ± 0.1 V), respectively, to
5.11.2 Test method For the power sliding door, apply DC (13.5 ± 0.3) V for the 12V electric system;
apply DC (27 ± 0.6) V for the 24V electric system. A cycle includes the sliding door
opening from the closing point to the opening end point, standing for 5 s alive, then
sliding to the closing point, standing for 5 s alive. Before the phased test, spray 5 cm3 of dust, on the exposed wire rope or timing
belt; then spray 3 cm3 of dust, on the wire rope or timing belt, in the subsequent every
5000 times. The dust is in accordance with the provisions of GB/T 28957.1. In the environment of -20 °C and -30 °C, respectively, each normally completes
a working stroke, from the closing point (or opening end point) to the opening end point
(or closing point), then back to the original position. During the durability test, it must determine the working current, working
voltage, anti-pinch force, at the beginning and end of the re-adjustment temperature.
5.12 Test of thermal protector performance of motor
Install the motor of the power sliding door on a special test device. Under the
environment of 23 °C, -30 °C, +80 °C, respectively, apply DC (13.5 ± 0.3) V voltage to
the 12V power system, or DC (27 ± 0.6) V voltage to the 24V system. Mechanically
lock the motor. Measure the opening time and recovery time of the thermal protector.
5.13 Electromagnetic compatibility test
5.13.1 Electromagnetic compatibility test is carried out, according to the requirements
of Table 4 and Table 5, respectively.
6.2 Exit-factory inspection
The products shall be inspected, according to the specified items and frequencies,
before leaving the factory. The products can be exit-factory, only after passing the
inspection by the quality inspection department of the manufacturer AND being issued
with the product certificate.
6.3 Type inspection
6.3.1 In one of the following situations, the manufacturer shall conduct type inspection:
1) When a new product is subject to trial production and type finalization;
2) When the production is restored, after suspension for more than 1 year;
3) When the structure, material, process are greatly changed, which may affect the
performance of the product;
4) It shall be less than 1 time per 2 years, for batch or mass-produced products;
5) When the old products are subject to trial production and type finalization, before
production in different places;
6) Where there is a big difference between the exit-factory inspection results and the
last type inspection results.
6.3.2 During the type inspection, if it is in the four cases of (1), (2), (4), (5) in 6.3.1, the
inspection shall be carried out, according to all the type inspection items, which are
required by this standard. If I belongs to other cases, only the affected performance can
be checked.
6.3.3 Samples for type inspection shall be randomly selected, from the products, that
have passed the exit-factory inspection and have been packaged.
6.3.4 For the results of type inspection, if any one of the indicators does not meet the
requirements, double sampling shall be carried out for re-inspection. If there are still
indicators failing to meet the requirements after the re-inspection, the product shall be
judged to be unqualified.
(Above excerpt was released on 2022-06-04, modified on 2022-06-04, translated/reviewed by: Wayne Zheng et al.)
Source: https://www.chinesestandard.net/PDF.aspx/QCT1102-2019