水温传感器测量精度优化
Optimization Analysis Of Measurement Accuracy Of Water Temperature Sensor
本文重点研究水温传感器的结构及使用环境对产品开发的重要影响，并给出了开发设计时需要综合考虑的相关因素。本文以某款自主汽油发动机水温传感器测量精度不良为例，阐述了水温传感器结构原理，水温传感器的温度-电阻特性、铜壳体导热性以及试验方法等方面内容。最后通过调整水温传感器温度-电阻参数，及电阻测量等关键优化方法，有效改善了水温传感器测量精度,不仅解决了车辆水温测量误差大的问题，且提出了水温传感器精度设计要点，并可以借鉴应用到其他产品的开发。
This paper focuses on the important influence of the structure of the water temperature sensor and the use environment on product development, and gives the relevant factors that need to be comprehensively considered in the development and design. Taking an autonomous gasoline engine water temperature sensor as an example, this paper expounds the structure principle of the water temperature sensor, the temperature-resistance characteristics of the water temperature sensor, the thermal conductivity of the copper shell and the test method. Finally, by adjusting the temperature-resistance parameters of the water temperature sensor, and key optimization methods such as resistance measurement, the measurement accuracy of the water temperature sensor is effectively improved, which not only solves the problem of large errors in vehicle water temperature measurement, but also puts forward the design points of the water temperature sensor accuracy, which can be used for reference. to the development of other products.
彭利华;刘成;许国松;何元章;李佳;陈梦圆;陈雨;张立;
东风汽车集团有限公司技术中心;东风汽车集团有限公司技术中心;东风汽车集团有限公司技术中心;东风汽车集团有限公司技术中心;东风汽车集团有限公司技术中心;东风汽车集团有限公司技术中心;东风汽车集团有限公司技术中心;东风汽车集团有限公司技术中心;
water temperature sensor measurement accuracy resistance value
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