现代汽车不仅仅是代步工具,它同时具备了交通、娱乐、办公、通讯等功能,这些功能都是由多达几千个的电子零部件组成的复杂产品。随着汽车产业的发展,车身控制电子、娱乐多媒体电子、导航及车载通信等电子部件越来越多,使车辆复杂程度不断加大。而且汽车使用的环境特别严酷,例如各种各样的气候环境、污染越来越严重的大气环境、颠簸复杂的路面及各种各样的无线电干扰,都在考验着汽车电子产品的可靠性。而这些电子零部件产品可靠性直接决定了整车的安全及运行可靠性。gst作为专业的第三方实验室,能为汽车电子电器供应商提供专业的环境可靠性测试。
in modern times, the automobile has the functions such as entertainment, multimedia, working, communication, besides as a transportation tool. to achieve these functions, thousands of electronic components must be assembled together to form a complex product. with the development of the auto industry, the automobile is equipped with more and more electronic components including auto-body control electronic components, multimedia and entertainment electronic components, navigation system, vehicular wireless communication devices etc., which increase the complexity of the automobile. moreover, the automobile runs in a particularly harsh environment. the various climates, atmospheric environment with serious pollution, bumpy and complex roads and a variety of radio interference are testing the reliability of the automobile electronic products. the reliability of these electronic components directly determines the safety and serviceability the automobile. as a professional third-party laboratory, gst devotes to provide professional environmental reliability testing to suppliers of automotive electronic appliances.
产品规范内容:gm w3172, vw80101, mes pw67600a, b 21 7110, iso 16750, jaso d001, iso20653, iec60529, iec60068-2…
测试项目
1.电性能
2.机械性能
3.耐气候性
4.耐腐蚀
5.密封性能
6.插接器测试
1、电性能
test item |
测试项目 |
test item |
测试项目 |
jump start |
跳跃式启动 |
intermittent short circuit to battery and to ground for input/output |
间歇性短路测试 |
reverse polarity |
反极性测试 |
continuous short circuit to battery and to ground for input/output |
持续短路测试 |
over voltage |
过电压测试 |
multiple power and multiple ground short circuits including pass through |
多线路短路测试 |
temperature measurement |
温度测量 |
open circuit – single line interruption |
单线中断 |
汽车电子测试照片:
多功能万用表 可编程电源测试系统
耐用仪 稳压直流电源
2.机械性能:机械环境试验
测试标准:
gb2423,gjb150a,gjb4,iec60068、gjb1032,gjb322a,gjb360a,gjb548,tb3058,gjb899、gb/t21563、iso16750等
测试项目:
a.振动试验:扫频正弦振动、定频正弦振动、随机振动试验、宽带随机振动试验,随机 随机叠加试验,正弦 随机叠加试验;
b.冲击试验:半正弦波击试验,后峰锯齿波冲击,梯形波冲击试验,冲击响应谱试验;
c.其他试验:跌落试验、碰撞试验、刮擦试验、拉力试验等。
test item: vibration、random vibration、sinusoidal vibration 、vibration(sinusoidal random)、 vibration with thermal cycling、mechanical shock (pothole、collision、closure slam)、crush、free fall…
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5吨振动台 6立方米温湿度循环箱 |
冲击台 |
3. 耐气候性:
测试项目:低温启动试验、耐高温试验、温度冲击、通电温度循环试验、湿热循环、恒定湿热、结霜试验、凝露试验…
test item: low temperature wakeup、high temperature degradation、 thermal shock air-to-air (ts) 、power temperature cycle (ptc)、thermal shock/water splash、humid heat cyclic (hhc)、humid heat constant (hhco)、frost…
10方米步入室温湿度循环箱 高低温试验箱
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10方米步入室温湿度循环箱 |
高低温试验箱 |
low temperature wakeup |
低温唤醒 |
open circuit – multiple line interruption |
多线中断 |
frost |
霜冻测试 |
ground offset |
接地电压偏移 |
highly accelerated stress test |
高加速负载测试 |
电源电压偏移 |
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parasitic current |
寄生电流 |
不连续输入电压 |
|
power supply interruptions |
电压中断测试 |
over load – all circuits |
过载测试 |
battery voltage dropout |
电池电压跌落 |
insulation resistance |
绝缘电阻 |
sinusoida superimposed voltage |
正弦叠加电压测试 |
曲柄脉冲性能 |
|
pulse superimposed voltage |
电子脉冲电压测试 |
switched battery lines |
电池电路转换 |
汽车电子测试照片:
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多功能万用表 |
可编程电源测试系统 |
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耐用仪 |
稳压直流电源 |
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温度冲击箱 |
快速温变箱 |
4. 耐腐蚀性:
测试项目:盐雾、盐水喷射…
test item: salt mist、salt spray…
5.密封性能:
测试项目:防尘试验、防水试验、密封试验、耐糖水损伤功能试验...
test item: dust、water、seal、leakage check、water freeze、sugar water function impairment…
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防尘试验箱(ip5k6k) |
防水试验箱(ip9k) |
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(ip2、4k、6k) |
6、插接器测试:
测试标准:uscar-2,uscar-20,gmw3191
测试项目:
a.电学测试:电压降测试、绝缘测试、接触电诅测试、瞬断测试
b.环境测试:温度冲击测试、高温老化测试、温度湿度循环测试、防腐蚀强度测试
c.机械试验:机械振动测试、跌落测试、机械冲击测试、相关力学测试
test item: electrical performance, climatic performance, mechanical performance...