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专注汽车电子检测 Focus on Automotive Electronics Testing

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一、汽车电子EMC概述

随着人们对汽车驾驶的安全、舒适、娱乐、动力总成、引擎管理、稳定性和控制应用的需求,现代车载电子产品的数量将稳定的增长。汽车电子技术应用程度是衡量汽车技术水平的重要标志之一,而在日益恶化的电磁环境中发展汽车电子技术必须解决EMC问题。

因此,国际和地区各个汽车制造商、汽车工业协会、标准组织不断的建立和完善汽车EMC标准以控制和解决汽车电子中的EMC问题。


汽车电子EMC实验室


二、服务产品范围

1、辐射发射 Radiation Emission

测试标准 Test Standards 测试能力 Test Ability

ALSE Test Method
CISPR 25
GB/T 18655
Enterprise Standards

 
CISPR 25 Background Noise Level Class 5
Frequency Range:150KHz to 6GHz
Max Power Supply:DC 1000V/200A

Stripline method
CISPR 25
GB/T 18655
Enterprise Standards

 
Stripline Inner Dimensions:
740 x 150 x 2500 mm
Frequency Range: DC – 1000MHz

TEM CELL METHOD
CISPR 25
GB/T 18655
Enterprise Standards

 
Frequency Range: DC – 400MHz
Height of Septum: 300mm

6cm Loop Antenna Method
Magnetic field emission
Enterprise Standards
Nissan Test Standards

 
ETS LINDGREN LOOP ANTENNA
Frequency Range 20Hz-200KHz


2、传导发射 Conduction Emission

测试标准 Test Standards 测试能力 Test Ability

Conduction Emission (Voltage Method)
CISPR 25
GB/T 18655
Enterprise Standards

 
CISPR 25 Background Noise Level Class 5
Frequency Range:100KHz to 6GHz
Max Power Supply:DC 1000V/200A 

Conduction Emission(Current probe method) CISPR 25
GB/T 18655
Enterprise Standards

 
CISPR 25 Background Noise Level Class 5
Frequency Range:100KHz to 6GHz
Max Power Supply:DC 1000V/200A


3、辐射抗扰 Radiation Immunity

测试标准 Test Standards 测试能力 Test Ability
Radiated Immunity test
(ALSE method)
80-200MHz:140V/m;
200M-6GHz:200V/m;
1200-1400MHz&2700-3200Mhz:600V/m

Portable Transmitters Test
ISO 11452-9
GB/T 33014.9
Enterprise Standards

 
26MHz, 28MHz, 30MHz, 40MHz, 52MHz, 75MHz, 145MHz, 155MHz, 165MHz, 174MHz, 190MHz, 223MHz, 350Mhz,370MHz–2.7GHz, 800MHz – 6GHz

TEM CELL METHOD
ISO 11452-3
GB/T 33014.3
TSC 0501G

 
Frequency Range: DC – 400MHz
Height of Septum: 300mm
Max E Field: 400V/m

Low-Frequency Magnetic Field Immunity
ISO 11452-8
GB/T 33014.8
Enterprise Standards

 
0-200KHz,
1000A/m;DC:3000A/m

Stripline Method
ISO 11452-3
GB/T
Enterprise Standards

 
Stripline Inner Dimensions:740 x 150 x 2500 mm
Frequency Range: DC – 1000MHz
Max E Field: DC to 200M 600V/m
200MHz to 1000MHz 1000V/m


4、大电流注入 Bulk Current Injection

测试标准 Test Standards 测试能力 Test Ability

ISO 11452-4
GB/T 3014.4
Enterprise Standards

 
400mA for Substitution;
200mA for Closed Loop


5、瞬态传导发射 Transient Conductive Emission

测试标准 Test Standards
测试能力 Test Ability

ISO 7637-2
GB/T 21437.2
Enterprise Standards

 
 DC: 12/24 V, 40 A
E-Switch & M-Switch


6、瞬态传导抗扰 Transient Conduction immunity

测试标准 Test Standards 测试能力 Test Ability

Transient Conduction immunity(supply line)ISO 7637-2
GB/t 21437.2
Enterprise Standards

 
Pulse 1, Pulse 2a, Pulse 2b;
Pulse3a, Pulse 3b, Pulse 4;
Pulse 5a, Pulse 5b 

Transient Conduction immunity(other than supply lines ISO 7637-3
GB/t 21437.3
Enterprise Standards

 
Pulse 1, Pulse 2a, Pulse 2b;
Pulse3a, Pulse 3b, Pulse 4;
Pulse 5a, Pulse 5b


7、静电抗扰测试 Electrostatic Discharge

测试标准 Test Standards 测试能力 Test Ability
ISO 10605
GB/T 19951

Max Voltage: 30kV。
CR Value:
IEC 61000-4-2 (150pF/330 Ohm)
ISO 10605 (150pF/2000 Ohm, 330pF / 2000 Ohm, 330pF/330 Ohm)

 

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