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| Research on tire temperature measurement system based on test bench |
| WANG Heng1, SUN Xiao-ming2, SHAO Yan2, XIAO Hou-kun2, ZHANG Xiao-long1 |
1. School of Engineering, Anhui Agricultural University, Hefei 230036, China;
2. Anhui Giti Passenger Radial Tire Co., Ltd., Hefei 230601, China |
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Abstract In order to collect and monitor the inner temperature at the rolling tire crown in real time, a tire temperature measurement system based on the test bench was designed. In this system, thermistors were used as temperature sensors, the data collector was built based on NI cRIO-9033 controller and NI 9205 analog signal acquisition module, and MSC SR20M slip ring was used to connect the temperature sensor and data collector. The real-time collection and processing of temperature data of multiple measurement points inside the tire crown was realized by writing and running multi-channel data collection and real-time data processing program in the LabVIEW development environment. In addition, in order to cope with extreme test conditions, the sliding ring protective cover was designed and manufactured. The experimental results showed that the tire temperature measurement system was reliable and could realize multi-channel tire temperature data collection; the sliding ring protective cover could effectively protect the tire temperature measuring system from damage under extreme test conditions. The tire temperature measurement system is the efficient instrument to get rolling tire temperature data in real time, and it has broad engineering application prospect.
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Received: 11 September 2017
Published: 28 October 2018
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基于试验台架的轮胎测温系统研究
为了实现实时采集、监测轮胎胎冠内部温度，设计了基于试验台架的滚动轮胎的测温系统。以热敏电阻为温度传感器，基于NI cRIO-9033控制器和NI 9205模拟信号采集模块搭建数据采集器，使用MSC SR20M滑环连接温度传感器与数据采集器，在LabVIEW开发环境中，通过编写并运行多通道数据采集与实时数据处理程序，实现了轮胎胎冠内部多个测点温度数据的实时采集与处理。另外，为应对极限试验工况，针对滑环设计制作了滑环保护罩。试验结果表明：轮胎测温系统运行可靠，能够实现多通道的轮胎温度数据采集；设计制作的滑环保护罩能够有效地保护轮胎测温系统，使它在极限试验工况下免受损坏。研究结果表明该轮胎测温系统是实时获取滚动轮胎温度数据的有效工具，具有广阔的工程应用前景。
关键词：
轮胎温度,
多通道测量,
测试系统,
滑环
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