Why do we do automotive electronic testing? International standards and their purposes

Date：2022-01-25 15:00:00Views：881

With the development of the automobile industry, there are more and more electronic components such as body control electronics, entertainment multimedia electronics, navigation and on-board communication, which increase the complexity of vehicles, and the environment in which cars are used is particularly harsh, such as all kinds of climatic environment, increasingly polluted atmospheric environment, bumpy and complex road surface and all kinds of radio interference, Are testing the reliability of automotive electronic products. Automobile electronic detection is a kind of diagnosis method for automobile. For finding, analyzing and determining the causes and main methods of automobile electronic system faults, automobile electronic detection can find out the process of automobile electronic faults without disassembling the automobile or only disassembling individual parts. Therefore, in a broad sense, automobile diagnosis technology also includes the writing of automobile information, Anti theft information compilation, vehicle status detection, vehicle fault reporting and vehicle performance inspection are a technology for analyzing vehicle faults. From simple manual diagnosis to current electronic detection instrument diagnosis, it still needs to rely on the artificial intelligence diagnosis method of powerful electronic detection instruments in the future.

Automotive electronics related test standard reference

international standard

1) CISPR 25 "vehicles, ships and internal combustion engines - Radio disturbance characteristics - Limits and methods for protecting on-board receivers"

2) EN 55025 vehicles, ships and internal combustion engines - Radio disturbance characteristics - Limits and methods for protecting on-board receivers

3) SAE j1113-1 measurement method for electromagnetic compatibility of automobile and marine (excluding aircraft) parts (up to 15m), 16.6 Hz - 18GHz

4) SAE j1113-4 electromagnetic field immunity: BCI method

5) SAE j1113-11 power line conducted transient immunity

6) SAE j1113-12 Electrical disturbance caused by conduction and coupling: conductors other than power lines pass through capacitive and inductive coupling

7) SAE j1113-13 electromagnetic compatibility measurement procedure for auto parts - Part 13: electrostatic discharge immunity

8) SAE j1113-22 measurement method of electromagnetic compatibility of automobile parts: immunity to radiated magnetic field

9) ISO 7637-2 road vehicles - Electrical disturbances caused by conduction and coupling - Part 2: Electrical transient conduction along power lines

10) ISO 7637-3 road vehicles - Electrical disturbances caused by conduction and coupling - Part 3: Electrical transient emission of conductors other than power lines through capacitive and inductive coupling

11) ISO 10605 test method for electrical disturbance caused by electrostatic discharge of road vehicles

12) ISO 16750-2 environmental conditions and tests for electrical and electronic equipment of road vehicles - Part 2: electrical loads

13) ISO 21848 road vehicles - 42 V supply electricity and electronic instruments - electrical loads

14) ISO 11452-2 road vehicles - Test methods for electrical interference components generated by narrowband radiated electromagnetic energy - Part 2: shielded anechoic chamber method for linear absorbing materials

15) ISO 11452-4 road vehicles - Test methods for electrical interference components generated by narrowband radiated electromagnetic energy - Part 4: high current injection method (BCI)

16) ISO 11452-5 road vehicles - component test methods for electrical interference with narrowband transmitted electromagnetic energy - Part 5: stripline method

17) ISO 11452-8 road vehicles - Test methods for electrical interference components of narrowband radiated electromagnetic energy - Part 8: magnetic field immunity

18) ISO 11452-10 road vehicles - Test methods for components for electrical disturbances from narrowband radiated electromagnetic energy - Part 10: extended audio conducted immunity

national standard

1) Vehicles, ships and internal combustion engines - Radio disturbance characteristics - Limits and methods for protecting on-board receivers (GB / T 18655)

2) GB / T 19951 test method for electrical disturbance caused by electrostatic discharge of road vehicles

3) GBT 22630 electromagnetic compatibility requirements and measurement methods of on-board audio and video equipment

4) GB / T 21437.2 road vehicles - Electrical disturbances caused by conduction and coupling - Part 2: Electrical transient conduction along power lines

5) GB / T 21437.3 road vehicles - Electrical disturbances caused by conduction and coupling - Part 3: Electrical transient emission of conductors other than power lines through capacitive and inductive coupling

6) GB / T 28045 road vehicles - Electrical and electronic equipment with 42V supply voltage - electrical loads

7) GB / T 22630 electromagnetic compatibility requirements and measurement methods for on-board audio and video equipment

8) GB / T 28046.2 environmental conditions and tests for electrical and electronic equipment of road vehicles - Part 2: electrical loads

instructions

1) 2004 / 104 / EC European Automotive Electromagnetic Compatibility Directive

2) ECE R10 / 04 uniform provisions on Electromagnetic Compatibility Certification of vehicles

In China, there are profit-making and non-profit institutions and enterprises in automotive electronic testing, and most of the non-profit ones are state-owned and determined by national and even international certification institutions. For profit-making testing enterprises, the level is high and low, and the competitiveness of large enterprises above designated size is stronger. There are many institutions in automotive electronic testing in China, The laboratory or research results of the testing center have been certified by the state and even recognized by relevant international organizations.