ISO 7637 -1-2-3 瑞士EMTEST 汽车电子测试系统

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Product Description

ISO7637是什么?

ISO7637是汽车电子瞬态抗扰度及发射的三个测试标准,ISO7637对汽车电子零部件提出了不同的干扰波形注入实验及瞬态发射实验,以评估零部件是否能在干扰进行过程中正常工作。注入干扰波形均由标准固定。ISO 7637-1包含 Pulse 1,2,3A,3B,2B,4,5A,5B,6,7不同的波形,需要分次进行测试。

ISO7637都有哪些标准?

国际标准(查新于2018年)

ISO 7637-1:2015    Road vehicles — Electrical disturbances from conduction and coupling — Part 1: Definitions and general considerations

ISO 7637-2:2011    Road vehicles — Electrical disturbances from conduction and coupling — Part 2: Electrical transient conduction along supply lines only

ISO 7637-3:2016    Road vehicles — Electrical disturbances from conduction and coupling — Part 3: Electrical transient transmission by capacitive and inductive coupling via lines other than supply lines

国家标准

标准号:GB/T 21437.1-2008  对应ISO 7637-1-2002

标准号:GB/T 21437.2-2008  对应ISO 7637-2-2004

标准号:GB/T 21437.3-2012  对应ISO 7637-3-2007

ISO7637测试系统推荐产品(三个部分):

1、ISO 7637测试系统符合ISO 7637-1 Pulse 1,2,3A,3B,2B,4,5A,5B,6,7

ISO 7637-1 Pulse 1,2,3A,3B,2B,4,5A,5B,6,7

Specifications 技术参数:

UCS 200N Models内置耦去耦网络Built-in coupling/decoupling networks: UCS 200N50, 80V/50A, 100A@500ms; UCS 200N100, 80V/100A, 150A@500ms; UCS 200N150, 80V/150A UCS 200N200 80V/200A
InputDUT supply +/- DC voltage from VDS 200N or any other DC supply; Pulse 5, 7 From one LD 200N
OutputDUT supply +/- Central DUT output Coaxial output; port To connect the capacitive coupling clamp as per ISO 7637-3:2007

Electrical Fast Transients :电快速脉冲群
EFT/Burst module for ISO 7637 test pulses 波形3A/3B

属性参数值
Test Voltage25V – 1,000V ± 10%
Rise time5ns ± 1.5ns
Pulse duration150ns ± 45ns
VerificationAs per Annex C of ISO 7637-2:2011 into 50ohm and 1,000ohm load 校准负载
Source Impedance50ohm
PolarityPositive/negative (Pulse 3b/3a)
Trigger of burstsAutomatic, manual, external
Burst duration0.1ms – 999.9ms
Repetition rate10ms – 9,999ms
Spike frequency0.1kHz – 200kHz
Test duration0:01min – 999:59min
Outputs耦合钳输出端口 Direct Via 50ohm-coaxial connector (for tests using e.g. a capacitive coupling clamp)

电源线输出端口:Coupling mode To the + battery line (supply lines);

触发信号输出端口:CRO trigger 5V trigger signal for oscilloscope

Test RoutinesQuick Start On-line adjustable parameters, easy-to-use; Standard Test routines As per ISO 7637-2:2011, Levels 1 – 4; User Test routines Random burst release Change voltage after T Change frequency after T

Micropulse
Micropulse module for ISO 7637 test pulses 波形 1, 2A and 6

属性参数值
Test voltage20V – 600V ± 10% (peak voltage and polarity as per selected standard)
Repetition rate0.2s – 99.0s
ISO PULSE 1 (12V)Rise time 1us +0%/-50% (10% – 90%); Pulse duration 2ms ± 10% (10% – 10%); Int. resistor 10ohm ± 10%
ISO PULSE 1 (24V)Rise time 3us +0%/-50% (10% – 90%); Pulse duration 1ms ± 10% (10% – 10%); Int. resistor 50ohm ± 10%
ISO PULSE 2 (12V/24V)Rise time 1us +0%/-50% (10% – 90%); Pulse duration 50us ± 10% (10% – 10%); Int. resistor 2ohm ± 10%
ISO PULSE 6 (12V) AS PER ISO 7637-1:1990Rise time 60us +0%/-50% (10% – 90%); Pulse duration 300us ± 10% (10% – 10%); Int. resistor 30ohm ± 10%
AS PER ISO 7637-2 THE FOLLOWING STANDARDS CAN BE COVEREDSAE J1113, GM 3097, BMW, Volkswagen, PSA, Chrysler PF 9326, DC 10614, Renault, FIAT, Mitsubishi, Honda, Ford ES-XW7T,
Triggerautomatic, manual, external, battery switch
OutputDUT supply +/- Central DUT output; Coupling To the battery +line; Decoupling Via diode and battery supply switch
Test RoutinesQuick Start, User Defines Routines, Standards Test Routines Service
Freestyle Mode MicropulsesProgrammable Rise time 1us – 10us in steps of 1us; Pulse duration 50us – 10,000us; Int. resistor 2ohm – 100ohm in steps of 5ohm; 200ohm, 400ohm and 450ohm

Test Equipment Description 测试设备说明

汽车电子测试系统时一个汽车电子EMC预兼容的完整测试方案,包含以下设备。

Product产品Test CompletionDescription说明
 LD 200N Load Dump SimulatorISO 7637 PULSE 5A/5B AND 7抛负载发生器Load Dump generator according to ISO 7637, ISO 16750-2, SAE J1113, SAE J1455, JASO, Nissan and most car manufacturer requirements
VDS 200N50ISO 7637 PULSE

4 and 2B

电压暂降发生器 The VDS 200N series is used to simulate the various battery supply waveforms recommended by international standards and by car manufacturer requirements.
UCS 200NISO 7637 PULSE

1, 2, 3A, 3B

电压瞬态发生器The EM Test UCS 200N50 Ultra-Compact Simulator series for Automotive Transients unifies the capabilites of an EFT/Burst simualtor, a Micropulse simulator and the required coupling network into one box.

2、ISO 7637-2 瞬态发射测试系统

ISO 7637-2 瞬态发射测试系统

产品特点:

  • BS 200N100 – 电子开关,60 V 直流 / 100 A
  • – 电压降 100 A 时 < 1.2 V,25 A 时 < 0.2 V
  • – 峰值电压最高 1,000 V
  • – 反极性 / 短路保护功能
  • BSM 200N40 – 机械开关,12/24 V 直流 / 40 A
  • AN 200N100 – 符合 ISO 7637,CISPR 25,CISPR 16 标准
  • – 频率范围 100 kHz – 125 MHz
  • – 1,000 V 直流,250 V 交流 (频率最高可达 1 kHz)
  • – 电流最大 100 A 交流 / 直流,连续
  • – 插入损耗 < 3 dB

产品符合标准:

  • 按照 ISO 7637-2 标准,汽车瞬变发射的测量需要一个电子开关,一个机械开关和一个人工电源网络。电子开关用于产生
    慢速瞬变;机械开关模拟车辆上使用的典型继电器,用于产生快速瞬变;人工电源网络模拟线束上的典型阻抗。
  • AN 20100N 符合 ISO 7637-2,CISPR 25 / ISO 11452-4 和 CISPR 16-1-2 标准,可以根据需要进行切换。
  • EM TEST 瞬变发射测量组件包含 BS 200N100 电子开关,AN 200N100 人工电源网络和 BSM 200N40 机械开关。这是一套易于使用,经济便携的测量组件,完全满足 ISO7637-2 标准。
    组件设备体积小,互连距离短,能够满足标准对间距的要求。
    另有选件电阻箱 RS-Box,带有分流电阻,可以按照ISO 7637-2:2004 和 ISO 7637-2:2011 标准的要求进行发射测量。
    RS-Box 能够提供上述标准所要求的 40 ohm 分流电阻,以及其他测试所需分流电阻值,如 10 ohm,20 ohm 和 120 ohm。

3、ISO7637-3 传导或耦合引起的电干扰

耦合方式:

容性耦合钳(Capacitive Coupling Clamp) CCC

– 直接电容耦合(Direct Capacitive Coupling) DCC

– 感性耦合钳(Inductive Coupling Clamp) ICC

脉冲种类

CCCDCCICC
Slow

(Pulse 2a of ISO 7637-2)

不适用适用适用
Fast

(Pulse 3a/3b of ISO 7637-2)

适用适用

EutTest提供EMTEST代理销售服务:

提供符合ISO 7637-1, ISO7637-2 ,ISO7637-3 及GB/T21437-1、GB/T21437-2、GB/T21437-3最新版标准的汽车电子EMC测试设备,欲了解更多关于汽车电子EMC测试设备信息,请联系EUTTEST。

 

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