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论述了胎压感应器的结构和工作原理,结合胎压感应器的使用环境,分析胎压感应器的使用温度和震动情况。结合汽车电子和半导体行业的相关标准,根据使用情况分析了温度循环、震动对胎压感应器的影响。另外,根据胎压感应器实际运用情况,设计温度循环和震动相关的可靠性试验,以及根据试验结果对胎压感应器进行可靠性评估。胎压监测系统TPMS的可靠性涉及温度循环、温湿度、震动、冲击、加速度等因素,就TPMS最重要的温湿循环因素和震动因素等可靠性问题进行探讨。
Discusses the structure and working principle of the tire pressure sensor. Combining with the use environment of the tire pressure sensor, the use temperature and vibration of the tire pressure sensor are analyzed. Combined with the relevant standards of the automotive electronics and semiconductor industries, the effects of temperature cycling and vibration on the tire pressure sensors are analyzed according to the usage. In addition, according to the actual use of the tire pressure sensor, temperature cycling and vibration-related reliability tests are designed, and the reliability of the tire pressure sensor is evaluated based on the test results. TPMS reliability of tire pressure monitoring system involves temperature cycling, temperature and humidity, vibration, shock, acceleration and other factors, TPMS most important temperature and humidity cycling factors and vibration reliability issues discussed.