QC/T 1109-2019Leveling motors for automotive front lighting (English PDF)
汽车前照明用调光电机
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 11, 2019
Implementation date
April 1, 2020
Scope
QC/T 1109-2019 is the English-translated version of 汽车前照明用调光电机.
QC/T 1109-2019 covers the front-lighting leveling actuator, the electromechanical device that adjusts the height of an automobile headlamp beam, and applies to such actuators for all types of automobiles.
It gives requirements, test methods, inspection rules and provisions for signs, packaging and storage. Actuators are classified by mounting position as built-in or external and by drive mode as DC or stepper.
Clause 4 ties the product to approved drawings, sets its temperature range in Table 1, and calls for low and high temperature storage and working resistance, low and high temperature durability, cyclic high-low temperature durability, stall resistance with no smoking or burning, vibration resistance, combined temperature and humidity cycling, temperature shock and reverse voltage resistance.
External actuators must reach protection degree IP6K8 to Tables 2 and 4 of GB/T 30038-2013 and survive 500 h of salt spray, after which the corrosion rate of the sprayed surface must not exceed 20% and rust or blisters are allowed only within 2 mm of an edge.
A-weighted running noise must not exceed 65 dB(A), measured 30 cm behind the specimen under a 10 N load.
Clause 5 fixes the test voltage UA at 14 V plus or minus 0.2 V for 12 V products and 28 V plus or minus 0.2 V for 24 V products, atmospheric pressure of 86 kPa to 106 kPa, and 100 temperature shock cycles between -40 degrees C and 85 degrees C for external or 105 degrees C for built-in units.
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Document preview — QC/T 1109-2019
National Standard of the People's Republic of China
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword7
- 1 Scope8
- 2 Normative references8
- 3 Terms and definitions9
- 4 Requirements9
- 5 Test method13
- 6 Inspection rules20
- 7 Sign, packaging, storage, custody22
1 Scope
This standard specifies the terms and definitions, requirements, test methods, inspection rules, signs, packaging, storage and storage of front-lighting leveling actuator (hereinafter referred to as products).
This standard applies to front-lighting leveling actuator for various types of automotives.
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 2423.17 Environmental testing for electric and electronic products - Part 2: Test method - Test Ka: Salt mist
GB/T 18655-2018 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 28046.2-2019 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 2: Electrical loads
GB/T 28046.3-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 3: Mechanical loads
GB/T 28046.4-2011 Road vehicles - Environmental conditions and testing for electrical and electronic equipment - Part 4: Climatic loads
GB/T 30038-2013 Road vehicles - Degrees of protection (IP-Code) - Protection of electrical equipment against foreign objects, water and access
GB/T 33014.2-2016 Road vehicles - Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy - Part 2: Absorber-lined shielded enclosure
GB/T 33014.4-2016 Road vehicles - Component test methods for electrical/electronic disturbances from narrowband radiated electromagnetic energy - Part 4: Bulk current injection (BCI)
QC/T 413-2002 Basic technical requirements for automotive electric equipment
3 Terms and definitions
The following terms and definitions apply to this standard.
3.1 Leveling actuator
An electromechanical device, which is used to adjust the height of the light beam of an automobile headlamp.
According to the installation position, it is divided into built-in leveling actuator and external leveling actuator.
According to the driving mode, it is divided into DC actuator and stepper actuator.
3.2 Stroke
The effective running distance of the output shaft of the leveling actuator.
3.3 Installation force
The force, which is required to engage the optical unit with the leveling actuator assembly.
4 Requirements
4.1 Drawings and technical documents
The products shall comply with the requirements of this standard. It shall be manufactured, in accordance with the drawings and technical documents, which are approved by the prescribed procedures.
4.2 Temperature range of the product
The temperature range of the product shall meet the requirements in Table 1.
4.7 Temperature resistance
4.7.1 Low temperature resistance
4.7.1.1 Low temperature storage resistance
The product shall be subjected to low temperature storage resistance test. After the test, the product shall return to normal temperature; the performance of the product shall meet the requirements in 4.5.
4.7.1.2 Low temperature working resistance
The product shall be subjected to the low temperature working resistance test. After the test, the product shall return to normal temperature; the performance of the product shall meet the requirements of 4.5.
4.7.2 High temperature resistance
4.7.2.1 High temperature storage resistance
The product shall be subjected to the high temperature storage resistance test. After the test, the product shall return to normal temperature; the performance of the product shall meet the requirements in 4.5.
4.7.2.2 High temperature working resistance
The product shall be subjected to the high temperature working resistance test. After the test, the product shall return to normal temperature; the performance of the product shall meet the requirements of 4.5.
4.8 Low temperature durability
The product shall be subjected to the low temperature durability test. After the test, the product shall return to normal temperature; the performance of the product shall meet the requirements in 4.5.
4.9 High temperature durability
The product shall be subjected to the high temperature durability test. After the test, the product shall return to normal temperature; the performance of the product shall meet the requirements in 4.5.
4.10 Cyclic high-low temperature durability
The product shall be subjected to the cyclic high-low temperature durability test. After the test, the product shall return to normal temperature; the performance of the product shall meet the requirements of 4.5.
4.11 Stall resistance
The product shall be subjected to the stall resistance test. During the test, the product shall not be smoked or burned; the performance of the product after the test shall meet the requirements of 4.5.
4.12 Vibration resistance
The product shall be subjected to the vibration resistance test. The performance of the product after the test shall meet the requirements of 4.5.
4.13 Resistance to combined temperature/humidity cycle
The product shall be subjected to the combined temperature/humidity cycle test; the performance of the product after the test shall meet the requirements of 4.5.
4.14 Temperature shock resistance
The product shall be subjected to the temperature shock resistance test. The performance of the product after the test shall meet the requirements of 4.5.
4.15 Protection performance (applicable to external products only)
After the test of degree of protection, the product shall comply with the degree of protection IP6K8, which is specified in Table 2 and Table 4 of GB/T 30038-2013. The performance of the product shall meet the requirements of 4.5.
4.16 Salt spray resistance (applicable only to external products)
The salt spray resistance test of the product is carried out in a non-working state; the test duration is 500 h. After the test, the corrosion rate of the sprayed surface shall not be higher than 20%; rust and air bubbles are allowed within 2 mm from the edge. The performance of the product, after the test, shall meet the requirements of 4.5.
4.17 Noise
The product is subjected to a noise test in a semi-anechoic chamber. The A-weighted noise limit, which is measured when the product is running at the test voltage, shall not exceed 65dB (A).
4.18 Reverse voltage resistance
The product shall be subjected to the reverse voltage resistance test. The product performance after the test shall meet the requirements of 4.5.
5 Test method
5.1.2 Test voltage
When the test voltage of the product is not specified, meanwhile the nominal voltage UN is 12V, the test voltage UA is 14V ± 0.2V; when the nominal voltage UN is 24V, the test voltage UA is 28V ± 0.2V.
5.1.3 Power supply and measuring equipment for test
The accuracy of the test power supply and measuring equipment shall meet the following requirements:
- Automobile batteries for DC power supply or rectified and stabilized power supplies, which have a ripple coefficient not greater than 0.1%, OR the above two power supplies working in parallel;
- The accuracy of the voltmeter shall not be lower than level 0.5;
- The accuracy of the ammeter shall not be lower than level 0.5;
- The minimum scale value of the size measuring instrument shall be less than 0.05 mm;
- Thrust gauge accuracy shall be better than 1N.
5.1.4 Operating voltage range
The product is fixed on the tooling platform, according to the actual loading method.
The minimum power supply voltage Usmin and the maximum power supply voltage Usmax are applied, to run for 30 minutes each. After the test, test the basic performance of the product.
5.2 Appearance and size inspection
Appearance inspection of products: Under natural light conditions, check the appearance by visual inspection.
Dimensional inspection of products: Use the measures and inspection tools that meet the requirements for inspection.
5.3 Basic performance test
Basic performance test methods are carried out, in accordance with Table 4.
5.11 Test of resistance to combined temperature/humidity cycle
The combined temperature/humidity cycle test of the product shall be carried out, in accordance with the provisions in 5.6.2.3 of GB/T 28046.4-2011. After the test, the basic performance of the product shall be tested.
5.12 Temperature shock resistance test
The product is subjected to 100 cycles of temperature shock resistance test, according to the following test cycle; the starting temperature of the test is (23 ± 5) °C.
1 test cycle is:
a) Switch the product to an ambient temperature of 85 °C (external leveling actuator) or 105 °C (built-in leveling actuator) within 10 s; keep it for 30 minutes;
b) Switch the product to -40 °C ambient temperature within 10 s; keep it for 45 min.
After the test, the basic performance of the product shall be tested.
5.13 Protection performance test
The product is fixed on the test bench, according to the actual installation position; the product is protected, according to the actual installation method; the protection performance test is carried out, according to 8.3.3 and 8.4 of GB/T 30038-2013. After the test, the basic performance of the product shall be tested.
5.14 Salt spray resistance test
Put the product in the salt spray test chamber. Protect the specimen according to the installation conditions. Carry out the salt spray test, according to the provisions of GB/T 2423.17 Test Ka: Salt spray test method; the test time is 500 h. After the test, the basic performance of the product shall be tested.
5.15 Noise test
Fix the product on the bracket as shown in Figure 4. Apply the test voltage and 10N load. Measure the noise by a decibel meter, at a position 30 cm at the rear end of the specimen along the drive shaft axis. Background noise shall be less than 35dB (A).
5.16 Reverse voltage resistance test
The product's reverse voltage test shall be carried out, in accordance with the provisions of 4.7.2.2 or 4.7.2.3 in GB/T 28046.2-2019. After the test, test the basic performance of the product.
5.17 Overvoltage resistance test
5.17.1 Long-term overvoltage resistance test
The long-term overvoltage test of the product is carried out, in accordance with the provisions of 4.3 in GB/T 28046.2-2019. At a temperature of T = (Tmax - 20 °C), a terminal voltage of 18V is applied to 12V series products, AND a terminal voltage of 36V is applied to 24V series products for 60 minutes. After the test, test the basic performance of the product.
5.17.2 Short-term overvoltage resistance test
The short-term overvoltage test of the product is carried out, in accordance with the provisions of 4.3 in GB/T 28046.2-2019. At temperature T = (Tmax - 20 °C), apply a terminal voltage of 24V to 12 V series products for (60 ± 6)s. Test the basic performance of the product after the test.
5.18 Electromagnetic compatibility performance test
5.18.1 Electromagnetic disturbance performance
The conducted emission - voltage test of the product shall be carried out, in accordance with the provisions in 6.3 of GB/T 18655-2018.
The radiation emission - ALSE method test of the product shall be carried out, in accordance with the provisions of 6.5 in GB/T 18655-2018.
5.18.2 Electromagnetic immunity performance
The electromagnetic radiation immunity - anechoic chamber test of the product shall be carried out, in accordance with the provisions of GB/T 33014.2-2016.
The electromagnetic radiation immunity - big current injection (BCI) method test of the product shall be carried out, in accordance with the provisions of GB/T 33014.4-2016.
The transient conduction test of the product along the power line shall be carried out, in accordance with the provisions in 4.4 of GB/T 21437.2-2008.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 2423.17Environmental testing - Part 2: Test methods - Test Ka: Salt mist
- GB/T 18655-2018Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers
- GB/T 21437.2-2008Road vehicles - Test method of electrical disturbances from conduction and coupling - Part 2: Electrical transient conduction along supply lines only
- GB/T 28046.2-2019Road vehicles -- Environmental conditions and testing for electrical and electronic equipment -- Part 2: Electrical loads
- GB/T 28046.3-2011Road vehicles -- Environmental conditions and testing for electrical and electronic equipment -- Part 3: Mechanical loads
- GB/T 28046.4-2011Road vehicles -- Environmental conditions and testing for electrical and electronic equipment -- Part 4: Climatic loads
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Related Standards
GB/T 18655-2018 — Vehicles, boats and internal combustion engines - Radio disturbance characteristics - Limits and methods of measurement for the protection of on-board receivers
GB/T 2423.17-2024 — Environmental testing - Part 2: Test methods - Test Ka: Salt mist
GB/T 28046.2-2019 — Road vehicles -- Environmental conditions and testing for electrical and electronic equipment -- Part 2: Electrical loads
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