QC/T 1037-2016 PDF English
US$125.00 · In stock · Download in 9 secondsQC/T 1037-2016: High voltage cables for road vehicles Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedureStatus: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| QC/T 1037-2016 | English | 125 |
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QC/T 1037-2016: High voltage cables for road 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/QCT1037-2016
QC
AUTOMOBILE STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.10
T 36
High voltage cables for road vehicles
Issued on. APRIL 05, 2016
Implemented on. SEPTEMBER 01, 2016
Issued by. Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Announcement... 3
Foreword... 8
1 Scope... 9
2 Normative references... 9
3 Terms and definitions... 9
4 Requirements... 9
5 Test methods... 15
6 Inspection rules... 21
7 Packaging and packaging mark... 23
Annex A (normative) Structural dimensions of cable... 25
Annex B (informative) Models of major cables... 31
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 does not involve patents.
Annex A of this Standard is normative. Annex B is informative.
This Standard was proposed by and shall be under the jurisdiction of National
Technical Committee on Automobiles of Standardization Administration of
China (SAC/TC 114).
Main drafting organizations of this Standard. Beijing Fox Automotive Wire Co.,
Ltd., Changsha Automobile Electric Apparatus Research Institute, Changchun
Bulb Wire Co., Ltd.
Main drafters of this Standard. Huo Yan, Wang Yadong, Hu Mengwen, Li
Weiyang, Zhang Jie, Wang Sengshan, Li Guoyu.
High voltage cables for road vehicles
1 Scope
This Standard specifies the requirements, test methods, inspection rules,
packaging and packaging marks of high voltage cables for road vehicles.
This Standard is applicable to high voltage cables for road vehicles of which the
rated voltages are AC 1000V/DC 1500V and AC 600V/DC 900V.
2 Normative references
The following referenced documents are indispensable for the application 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 1690, Rubber vulcanized or thermoplastic - Determination of the effect
of liquids
GB/T 3953, Round copper wire for electrical purposes
GB/T 4910, Tinned round copper wire
GB/T 25085-2010, Road vehicles - 60 V and 600 V single-core cables
GB/T 25087-2010, Road vehicles - Round, screened and unscreened 60 V
and 600 V multi-core sheathed cables
QC/T 414-2016, Color of low-voltage wire for automobile
3 Terms and definitions
For the purposes of this document, the terms and definitions defined in GB/T
25085 and GB/T 25087 apply.
4 Requirements
4.1 Model
Cable model is compiled according to QC/T 414-2016.See Annex B for major
cable models.
4.3 Structure dimensions
Cable specifications and corresponding structural dimensions are given in
Annex A.
4.4 Conductor
4.4.1 The conductor is twisted with bare soft round copper wire or tinned soft
round copper wire as specified in Table 1.
4.5.1 The insulation layer shall be tightly coated on the conductor and easily
peeled off from the conductor without damaging the conductor.
4.5.2 Agreed by both supply-demand parties, it is allowed to add spacers
between the insulation layer and the conductor.
4.5.3 The insulation layer shall be inspected for defects. Breakdown discharge
shall not occur during the spark test of the following voltage (effective value).
- 8kV for AC 600V/DC 900V cable;
- 10kV for AC 1000V/DC 1500V cable.
4.5.4 The insulation volume resistivity of the insulation layer shall not be less
than 109 Ω • mm.
4.6 Stranded cable (for multi-core cable)
4.7 Shielding layer (for shielded cables)
4.7.1 The shielding layer is woven with bare copper wire or tinned copper wire
as shown in Table 1.The weaving density shall be no less than 85%.
4.8 Sheathed layer (for sheathed cable)
4.8.1 The sheathed layer shall be in close contact with the core and easily
peeled off from the core without damaging the insulation and shielding.
4.8.2 Allow the addition of spacers between the sheathed layer and the shield.
4.9 Surface mark
4.9.1 Cable surface shall not have obvious cracks, bubbles, impurities and
bumps that exceed tolerances.
4.10 Finished cable
4.10.1 Ellipticity.
Cable ellipticity shall be no more than 8%.
4.10.4 Sheathed layer water immersion withstand voltage.
The sheathed layer is immersed in water 50Hz AC withstand voltage (RMS)
test. The sheath of the cable shall be able to withstand 1kV for 30min, rise the
voltage to 5kV, and keep it for 5min without breakdown.
4.10.7 Peeling force / adhesion.
The peeling force / adhesion of the insulation / sheath of the finished cable is
determined by both supply-demand parties.
4.10.8 Cyclic bending.
The cable shall meet the requirements of 7.3.5 of GB/T 25087 after cyclic
bending test.
4.10.11 Wear resistance.
The outer layer of the cable shall be capable of withstanding the number of
scratches specified in Table 4.
4.10.15 Heat shrinkage.
After the finished cable has passed the heat shrinkage test.
- The shrinkage of each end of the insulation shall be no more than 2mm;
- The shrinkage of each end of the sheath shall be no more than 4mm.
4.10.16 Chemical resistance reagent.
The cable is tested by chemical resistance reagent, and the insulation/sheath
shall not be exposed/shielded after winding. Carry out the withstand voltage
test without breakdown. The type of medium for chemical resistance reagent is
determined by both supply-demand parties.
4.10.17 Mark durability.
After the cable has been tested for durability, it shall comply with the
requirements of 11.3.4 of GB/T 25085.
5 Test methods
5.1 General
Except for the exit-factory test, all test samples shall be stored at (23 ± 5)°C for
at least 16h.
5.3 Inspection of shielding weaving density
Weaving density is calculated by formula (1).
5.5 Conductor DC resistance test
Conduct the test according to 6.1 in GB/T 25085.
5.6 Insulation layer defect inspection
Inspect according to 6.3 in GB/T 25085.
5.7 Sheathed layer defect inspection
Inspect according to 6.3 in GB/T 25085.Make sure that the shield of the cable
is grounded in an appropriate manner for the high-pressure spark test device
to function properly.
5.11 Insulation volume resistivity test of insulation layer
Conduct the test according to 6.4 in GB/T 25085.For shielded cables, the
sheath and shield shall be cleanly removed without damaging the insulation.
5.12 Insulation volume resistivity test of sheathed layer
Conduct the test according to 6.4 in GB/T 25085.When measuring, the shield
is connected to the power supply, positive.
5.13 Shielding efficiency test
Conduct the test according to 6.3 in GB/T 25087.
5.14 High temperature pressure test
Conduct the test according to 7.1 in GB/T 25085 for single core unshielded
cable. Conduct the test according to 7.1 in GB/T 25087 for shielded cable.
5.15 Peeling force/adhesion test
Conduct the test according to 7.2 in GB/T 25085 for single core unshielded
cable. Conduct the test according to 7.2 in GB/T 25087 for shielded cable.
5.20 3000h long-term aging test
Conduct the test according to 10.1 in GB/T 25085 for single core unshielded
cable. Conduct the test according to 10.1 in GB/T 25087 for shielded cable.
5.21 240h short-term aging test
Conduct the test according to 10.2 in GB/T 25085 for single core unshielded
cable. Conduct the test according to 10.2 in GB/T 25087 for shielded cable.
5.22 Thermal overload test
Conduct the test according to 10.3 in GB/T 25085 for single core unshielded
cable. Conduct the test according to 10.3 in GB/T 25087 for shielded cable.
5.24.2 Specimen.
Prepare a sample for a single test. Take insulation and sheath that are 600mm
long and are stripped by 25mm long at each end. They are bent into "U" shape
around a circular shaft with a diameter of 50mm. The stripped ends are
machined into hooks so that the specimen can be hung on the grid of the aging
box. The number of specimens to be prepared is shown in Table 5.
6 Inspection rules
6.1 General
The product is tested according to Table 6 (single-core unshielded cable) or
Table 7 (shielded cable). In addition to process testing, samples from the first
and periodic tests must be sampled from products that pass the process
inspection.
6.2 First trial
All performances of the product shall be inspected. The first trail is only carried
out once. Unless there is a major change in the structure and materials of the
product, no need to repeat.
6.4 Process test
It shall be sampled by batch or continuously. The number of samples shall be
no less than 10%, or no less than 3 pieces.
7 Packaging and packaging mark
7.1 Packaging
7.1.1 The finished cable shall be properly packaged in shafts, loops or in barrels
so as to accommodate transport and delivery. The number of packages is 50 m
or an integral multiple thereof.
7.1.4 Joints and defects shall be clearly marked. Allow removal of 30mm to
100mm insulation as a mark.
7.2 Packaging mark
Each packaging unit shall be labeled. The label shall at least mark the following
......
Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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