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QC/T 1067.1-2017

Chinese Standard: 'QC/T 1067.1-2017'
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BASIC DATA
Standard ID QC/T 1067.1-2017 (QC/T1067.1-2017)
Description (Translated English) (Connectors for automotive wiring harnesses and electrical equipment - Part 1: Definitions, test methods and general performance requirements)
Sector / Industry Automobile & Vehicle Industry Standard (Recommended)
Word Count Estimation 64,634
Date of Issue 2017-01-09
Date of Implementation 2017-07-01
Older Standard (superseded by this standard) QC/T 417.1-2001
Regulation (derived from) Ministry of Industry and Information Technology Announcement No.2 of 2017
Summary This standard specifies the definition of automotive connectors, general performance requirements and specific test methods.

QC/T 1067.1-2017
AUTOMOTIVE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 43.040.10
T 36
Replacing QC/T 417.1-2001
Connector used in automobile wire harness and
electrical device - Part 1: Definition, test method and
requirement
汽车电线束和电气设备用连接器
第 1 部分: 定义, 试验方法和一般性能要求
ISSUED ON: JANUARY 09, 2017
IMPLEMENTED ON: JULY 01, 2017
Issued by: Ministry of Industry and Information Technology of the
People's Republic of China
Table of Contents
Announcement ... 3 
Foreword ... 9 
1 Scope ... 12 
2 Normative references ... 12 
3 Terms and definitions ... 13 
4 Tests and requirements ... 15 
Annex A (normative) Test method for terminal current carrying capacity ... 74 
Annex B (normative) Power spectral density (PSD) or acceleration and
frequency ... 76 
Annex C (informative) Type and size of fixing structure of connector ... 81 
Connector used in automobile wire harness and
electrical device - Part 1: Definition, test method and
requirement
1 Scope
This Standard specifies the definition, general performance requirements as
well specific test methods for automobile connector.
This Standard is applicable to low-voltage connector (voltage is not higher than
60V) and high-voltage connector (voltage is higher than 60V but not higher than
600V) used in automobile wire harness and electrical device, including in-line
connector and device connector.
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 252, Guideline for occupational hazard prevention and control in small
and medium bag-making industry
GB 484, Petrol (gasoline) for motor vehicles
GB 5337, Nomenclature and terminology for automotive electrical equipment,
lighting and instrumentation
GB 11118.1, Hydraulic fluids of mineral oil type and synthetic hydrocarbon
type
GB 11121, Gasoline engine oils
GB 12981, Motor vehicle brake fluids
GB/T 2423.17, Environmental testing for electric and electronic products -
Part 2: Test method - Test Ka: Salt mist
GB/T 25085, Road vehicles - 60 V and 600 V single-core cables
3.10 terminal position assurance (TPA)
Mechanism to ensure terminal is installed in place and provide terminal locking
force separately.
3.11 primary lock reinforcement (PLR)
Mechanism to ensure that terminal primary lock structure is maintained in
correct position.
3.12 connector position assurance (CPA)
An additional locking mechanism on locking mechanism of connector
4 Tests and requirements
4.1 Sample pre-treatment
Before all tests are conducted, it shall place the samples in an environment that
the room temperature is (23±5)°C and the relevant humidity is 45%~75% for
24h.
4.1.1 Test requirements
All tests shall be conducted at a room temperature of (23±5)°C. All cavities of
the connector shall be tested.
The cable shall meet the requirements of GB/T 25085 or it shall be agreed by
the supplier and the purchaser. All cables used shall be recorded in the test
report.
Each test and each test sample must not affect each other. For example, in the
high temperature box, it must keep a certain distance between test samples.
They must not touch other nor stack.
During the entire test process, it is not allowed to apply lubricant or other
additives on the surfaces of plug terminal and socket terminal, except the
lubricants remained during production.
4.1.2 Default test errors
The default test errors are expressed as a percentage of the nominal value
(Table 1).
Table 1 -- Default test errors
Temperature ±3°C
Voltage ±5%
4.2 Appearance
4.2.1 Devices
Camera, video recorder, magnifier (if necessary).
4.2.2 Methods
The test sequence is as follows:
1) Before conducting the test, visually check the test sample. Record
manufacturing and material defects such as cracks, discoloration, burrs,
etc. Take photos, videos of the test sample or prepare a sample that is not
used for the test for each test group, so as to compare the specimen after
the test;
2) After the test, visually check each sample that has been tested and record
all observable changes. Compare the sample that has been tested with
the sample that has not been tested, photos or videos in step 1). Record
all the differences in the test report.
4.2.3 Requirements
The sample shall not have defects such as swelling, corrosion, discoloration,
wear of contact plating, physical deformation, cracking that affect the function
of the product.
4.3 Plug-unplug cycle
4.3.1 Devices
It shall be agreed by the supplier and the purchaser.
4.3.2 Methods
According to the provisions of Table 5, complete the plug-unplug cycle of
connector or terminal. When only terminals are subject to the plug-unplug cycle,
during the test process, it shall ensure that the plug-unplug cycle is conducted
along with the centerline of the terminal.
4.3.3 Requirements
There are no damages that shall affect the follow-up tests.
4.4 Terminal-to-terminal insertion and extraction forces
4.4.1 Devices
Plug-unplug testing machine.
4.4.2 Methods
The test sequence is as follows:
1) Prepare 10 pairs of terminals. Number each pair of terminals;
2) Fix 1 pair of terminals on the fixture. Ensure that the plug-unplug is
conducted along with the centerline of the terminal;
3) Insert the terminal at a uniform speed of 50mm/min. Record the peak force
required for in-place insertion (the first insertion force);
4) Separate the terminal at a uniform speed of 50mm/min. Record the peak
force required for complete separation (the first extraction force);
5) According to the number of plug-unplug specified in Table 5, repeat step
3) and step 4). Record the last extraction force);
6) Conduct step 2) ~ step 5) to each pair of terminals.
4.4.3 Requirements
The appearance shall meet the requirements of 4.2. The metal substrate of the
contact area shall not be exposed. The insertion and extraction forces shall
meet the requirements of the product design documents or be agreed between
the supplier and the purchaser.
4.5 Terminal bending resistance
4.5.1 Devices
Special fixture, force tester with peak reading characteristics.
4.5.2 Methods
This test is not applicable to the situation that cable attachment and terminal
insertion direction form 90°.
The test sequence is as follows:
1) Confirm the type of test terminal according to Figure 4;
2) Number each housing and each terminal hole;
3) Use the fixture to fix housing;
4) Use the force tester to clamp the cable at a position 20mm from the
insulation support;
5) Insert the terminal at a uniform speed of 50mm/min into the housing.
Continuously apply a force till it reaches the value specified in Table 12 or
the plastic is broken or terminal is broken when it does not reach the
specified value;
Alternatives:
A. Crimp the terminal on the solid metal rod. Measure the terminal’s
insertion force and thrust force;
B. Cut off the cable from the insulation crimp. Use a rod that is close to
cable diameter to push the cable that is left at the end of the terminal.
6) Record the peak force (i.e. insertion force) required for the terminal to
insert into the housing before it reaches the expected stop position and
the force that the housing withstands after the terminal reaches the
expected stop position (i.e., thrust force).
4.11.2.2 Terminal insertion force and thrust force of sealed-gasket type
integrally-sealed connector
The test sequence is as follows:
1) Use terminal-applicable cables of maximum specification, thickest
insulation layer to prepare 2 sets of samples. Use terminal-applicable
cables of minimum specification, thinnest insulation layer to prepare 1 set
of samples. See Table 10 for the quantities of terminals and housings;
2) Number each housing and each terminal hole;
3) Use the fixture to fix the housing;
4) Use the force tester to clamp the cable at a position 20mm from the
insulation support;
5) Use a set of samples of the maximum specification cables to insert the
terminal at a uniform speed of 50mm/min straight into the housing. Before
it reaches the expected stop position, continuously apply the force till the
value specified in Table 12. Remove the cable after each terminal hole is
tested;
1) Use terminal-applicable cables to prepare corresponding quantity of
terminals. Assemble 10 pairs of connectors;
2) Use the force tester to assemble the connector at a uniform speed of
50mm/min to the pre-installed position. The pre-installed position refers to
the position where the plug connector and the socket connector shall work
when they are inserted into the assistance mechanism;
3) Use the force tester to separate the connector at a uniform speed of
50mm/min from the pre-installed position;
4) Record the pre-installed engagement force and the pre-installed
separation force.
4.13.2.2 Retention force of assistance mechanism at initial position
The test sequence is as follows:
1) Use terminal-applicable cables to prepare corresponding quantity of
terminals. Assemble 10 pairs of connectors;
2) Use the connector that has not been mated with pairing end. Place the
assistance mechanism at the initial position;
3) Use the force tester to apply a force at a uniform speed of 50mm/min along
with the locking direction to the assistance mechanism till the assistance
mechanism is separated from the initial position;
4) Record the retention force of the assistance mechanism at the initial
position.
4.13.2.3 Engagement force and separation force of assistance type
connector
The test sequence is as follows:
1) Use terminal-applicable cables to prepare corresponding quantity of
terminals. Assemble 10 pairs of connectors;
2) Assemble the connector to the pre-installed position. After the assistance
mechanism is separated from the initial position, it shall move the
assistance mechanism at a uniform speed of 50mm/min to the locked
position. Record the peak force value (that is the engagement force);
3) When the assistance mechanism has “lock-release” structure in the locked
position, make the “lock-release” at the locked state. Apply 60N of force
at a uniform speed of 50mm/min in the releasing direction of the
assistance mechanism;
2) Fulfil the connector with terminals. It shall design a detecting device which
shall be able to detect the insertion depth of terminal in time during the
matching process of connector;
3) Pair the connector with another half that is possibly paired in any wrong
direction, according to the following manners. It shall use new samples
each time:
- The insertion direction is correct but the paring end (polarization feature
structure is different) is wrong;
- The pairing end is current but the insertion direction is wrong;
4) Fix the connector in the fixture of force tester. Adjust the force tester, so
as to make it able to insert the plug connector straightly into the socket
connector according to the direction selected in step 3;
5) Insert the connector at a uniform speed of 50mm/min. Gradually apply a
force till it is 3 times the force required by correct cooperation. Maintain
this force 3s. For assistance type connector, use 3 times the engagement
force at the pre-installed position in 4.13.2.1. Maintain this force 3s.
Record the information that is detected by the detecting device. If the 3
times force required by correct cooperation is less than 60N, then apply
60N of force. If the 3 times force required by correct cooperation is greater
than 150N, then apply 150N of force.
4.14.3 Requirements
When the connector is withstanding the wrong engagement force, it shall not
be damaged. The plug terminal and the socket terminal shall not be in contact.
4.15 Insertion force and extraction force of TPA (including PLR)
4.15.1 Devices
Force tester with peak reading characteristics.
4.15.2 Methods
4.15.2.1 Separation force of TPA at pre-installed position (if applicable)
Prepare 10 sets of housings that are not equipped with terminals. Fix the
housings in the fixture. Separate TPA from the housing straightly at a uniform
speed of 50mm/min. Record the peak force value.
4.15.2.2 Force required by assembling TPA to locked position when all
terminals are correctly assembled in connector
at least be 20N or agreed by the supplier and the purchaser;
2) When all terminals are correctly assembled to the connector, the
maximum force required by assembling TPA to the locked position is 60N;
3) When terminals are not assembled in the housing, the force required by
assembling TPA to the locked position shall at least be 15N;
4) When a terminal is not assembled to the locked position, the force required
by assembling TPA to the locked position shall at least be 60N;
5) The force required by releasing TPA from the locked position shall be
18N~60N or agreed by the supplier and the purchaser.
4.16 Insertion force and extraction force of CPA
4.16.1 Devices
Force tester with peak reading characteristics.
4.16.2 Methods
4.16.2.1 Insertion force and extraction force of CPA after connector is
correctly fit
Prepare 10 pairs of connectors. Insert the connector to the right place. At the
same time, assemble CPA to the pre-installed position (if applicable). Insert CPA
at a uniform speed of 50mm/min to the locked position. Record the peak force
value. Extract CPA from the locked position at a uniform speed of 50mm/min.
Record the peak force value.
4.16.2.2 Insertion force of CPA when connector does not cooperate
Prepare 10 sets of connectors that do not cooperate. Assemble CPA to the pre-
installed position (if applicable). Apply a force at a uniform speed of 50mm/min
along with CPA’s locking direction till CPA is assembled to the locked position.
Record the peak force value.
4.16.2.3 Extraction force of CPA at pre-installed position (if applicable)
Prepare 10 sets of connectors. Assemble CPA to the pre-installed position.
Apply a force at a uniform speed of 50mm/min along with CPA’s extraction
direction till CPA is separated from the connector. Record the peak force value.
4.16.3 Requirements
After the connector correctly cooperates, the maximum insertion force of CPA
is 22N and the extraction force shall be 10N~30N. When the connector does
not cooperate, the insertion force of CPA shall at least be 60N. The extraction
the above steps 2) ~ 4) within 30min.
4.18.3 Requirements
The sound level generated by the connector in place shall be higher than the
ambient sound: 7dB before humidity, 5dB after humidity; or agreed by the
supplier and the purchaser.
4.19 Drop
4.19.1 Devices
Meter ruler.
4.19.2 Methods
The test sequence is as follows:
1) Prepare 18 housing. Place TPA, CPA, control rod or slider in the pre-
installed position (if applicable);
2) Divide the housings into 6 groups. Test in three directions: X, Y and Z;
3) For 6 faces of rectangular connector, test a set of housing for each face.
From a 1m high position, drop the housing to the horizontal concrete floor;
4) Record the sample damage and accessory detachment.
4.19.3 Requirements
The test sample shall meet the requirements of appearance inspection. The
applicable accessories shall not separate from their pre-installed positions.
4.20 Strength of terminal hole
4.20.1 Devices
Force tester with peak reading characteristics.
4.20.2 Methods
The test sequence is as follows:
1) Prepare 5 connectors of which PLR is not at the locked position and 5
terminals;
2) Randomly select a terminal hole for terminal of each specification from
test samples;
3) Use the force measured in 4.15.2.2 to increase 40N as the force required
4.2.1.1 Devices
Force tester with peak reading characteristics.
4.21.2 Methods
The test sequence is as follows:
1) Analyze the terminal and terminal hole structures to determine the wrong
terminal insertion direction. Generally, it shall at least test the wrong
insertion directions of 90°, 180°, 270°. The rectangular terminal shall at
least test the wrong insertion direction of 180°;
2) Use terminal-applicable cables of maximum specification and thickest
insulation layer to prepare sufficient terminals and housings. According to
the wrong insertion direction determined in step 1), it shall at least 10 times
for each direction. Each test shall use new terminals and terminal holes.
Each terminal hole on the housing shall be tested. Number each housing
and each terminal hole;
3) Fix the housing in the fixture. The housing cannot be deformed by force;
4) Use the force tester to clamp the cable at the position 20mm from the
insulation support;
5) Adjust the force tester to make it be able to straightly insert the terminal
into the terminal hole according to the wrong insertion direction selected
in step 1);
6) The insertion force shall be 1.5 times the maximum force value of terminal
inserting into housing or 15N. The greater value shall prevail;
7) Apply the force specified in step 6) in a uniform speed of 50mm/min to
insert the terminal into the terminal hole;
8) Record the test results: situations that the terminal is not inserted into the
terminal hole, the terminal insertion depth;
9) Use new terminal and new terminal hole to repeat step 3) ~ step 8). Test
all terminal holes.
NOTE: This test is not applicable to the situation that the terminal can be correctly inserted
in any direction (360°) into the terminal hole and be locked.
4.21.3 Requirements
In the case of wrong insertion, the terminal cannot be inserted into the terminal
hole or the insulation support and the seals are exposed outside the terminal
Where,
R = Distance from the center of fixing table to the seal (m).
4) After rotating, record the position of the seal on the connector.
4.24.3 Requirements
After the test, the seal shall remain at the originally designed position.
4.25 Retention force of seals (mated connector)
4.25.1 Devices
None.
4.25.2 Methods
Prepare 10 pairs of connectors that are assembled with seals. Insert the
connectors in place. Then quickly separate the connectors.
4.25.3 Requirements
After the test, the seals shall remain at the original designed position.
4.26 Retention force of board end pin
4.26.1 Devices
Force tester with peak reading characteristics.
4.26.2 Methods
The test sequence is as follows:
1) Place the sample in an environment where the relevant humidity is
95%~98% and the temperature is 40°C for 6h. Then complete the
extraction test;
2) The test shall apply thrust force and pull force on the centerline of pin. If
there is a bent pin, the bent part of the pin can be cut off;
3) Fix the connector in the fixture;
4) Use the force tester to gradually apply a force to the pin. Record the peak
force value when the pin starts moving (the moved distance is less than
foil (or the shield). Connect the positive electrode to all cable ends;
5) Set the high-voltage test device as the voltage selected in step 2). Subject
to this voltage between the metal foil and all cable ends for at least 60s.
Record the current leakage.
4.28.2.3 Requirements
In the test, there cannot be medium breakage or breakdown between any two
terminal holes of connector and between the terminal hole and the connector
shell. The current leakage shall be less than or equal to 5mA.
4.29 Thermal shock
4.29.1 Devices
Temperature shock test chamber (-40°C~175°C), circuit continuity monitoring
equipment.
4.29.2 Methods
The test sequence is as follows:
1) Use terminal-applicable cables of any specification o prepare 10 pairs of
connectors. The connector shall include all accessories such as TPA, CPA,
seals. Number each pair of connectors;
2) Evenly divide the samples into 2 groups. The first group is used for the
micro-current connection resistance test after the terminal shock. The
second group is used for the circuit continuity monitoring during the test
process;
3) Place the sample in the temperature chamber. Samples shall not touch
each other;
4) The well-mated samples shall be subject to 100 times of thermal shock
cycles. Each cycle includes:
- 30min at 40°C;
- 30s of maximum transition time;
- 30min at the maximum temperature of temperature level selected in
Table 2;
- 30s of maximum transition time;
5) During the test, it shall conduct the circuit continuity monitoring to the
second group according to step 7) in 4.17.2.
relevant humidity is 45%~75%. The interruption time shall be recorded in the
test report.
4.30.3 Requirements
The test samples shall be able to complete relevant tests according to the test
sequence and meet the test requirements.
4.31 Heat aging
4.31.1 Devices
Temperature chamber (-40°C~175°C).
4.31.2 Methods
The test sequence is as follows:
1) Use terminal-applicable cables of minimum specification and thinnest
insulation layer to prepare 10 pairs of connectors. The connector shall
include all accessories such as TPA, CPA, seals. Number each pair of
connectors;
2) Set the temperature chamber at the maximum temperature of temperature
level selected in Table 2 and make the temperature stable;
3) Place the sample at the temperature chamber and maintain 1008h (or
agreed by the supplier and the purchaser). The samples shall not touch
each other.
4.31.3 Requirements
The test samples shall be able to complete relevant tests according to the test
sequence and meet the test requirements.
4.32 Chemical resistance test solution
This test is only applicable to the connectors of which the sealing levels are S2
and S3. Because multiple connectors can be produced from the same material,
historical data from the same material can be used for this test.
4.32.1 Devices
Stainless-steel container or heat-resistant glass beaker.
4.3.2.2 Methods
The test sequence is as follows:
2) Prepare a saline solution at a ratio of 15g~16g of salt and 10mL of liquid
detergent per liter of water. Add the right pigment. Stir the solution evenly
then pour into the test container. Cool to 0°C;
3) Place the sample in the temperature / humidity chamber. The samples
shall not touch each other;
4) Conduct the temperature / humidity cycle or heat aging test according to
the test sequence;
5) Take out the sample from the temperature / humidity chamber. Within 30s,
immerse the sample in 0°C saline solution of which the depth is
300mm~400mm for 30min;
6) Take out the sample from the saline solution. Wipe and dry the sample
appearance. Immediately conduct the insulation resistance test of 4.27.
4.33.3 Requirements
The test samples shall be able to complete relevant tests according to the test
sequence and meet the test requirements.
4.34 Air tightness
4.34.1 Devices
Pressure / vacuum source, container, temperature / humidity test chamber
(40°C~175°C, relevant humidity of 0~99%).
4.34.2 Methods
The test sequence is as follows:
1) Use terminal-applicable cables of minimum specification and thinnest
insulation layer to prepare 10 pairs of connectors. The connector shall
include all accessories such as TPA, CPA, seals. Number each pair of
connectors;
2) Insert a sufficient-strength tube into the connector. There shall be no
leakage between the outer surface of the tube and the sealing plug;
3) Prepare a saline solution at a ratio of 15g~16g of salt and 10mL of liquid
detergent per liter of water. Add the right pigment. Stir the solution evenly
then pour into the test container;
4) Seal all cable ends. Eliminate any possible leakage through wire strands;
5) Connect the tube to the pressure / vacuum gauge. Immerse the sample
into the saline solution prepared in step 3);
4.35.3 Requirements
The test samples shall be able to complete relevant tests according to the test
sequence and meet the test requirements.
4.36 Salt spray test
4.36.1 Salt spray test (low-voltage connector)
4.36.1.1 Devices
Salt spray test chamber.
4.36.1.2 Methods
Use terminal-applicable cables of any specification to prepare 10 pairs of
connectors. The connector shall include all accessories such as TPA, CPA,
seals. Conduct the neutral salt spray test. The test time is 48h or agreed by the
supplier and the purchaser.
4.36.1.3 Requirements
The test samples shall be able to complete relevant tests according to the test
sequence and meet the te......
Related standard:   QC/T 1067.2-2017  QC/T 1067.3-2017
Related PDF sample:   QC/T 1067.2-2017  QC/T 1067.3-2017
   
 
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