Development and application of a new temperature-measuring pick
| Autor: | Junhui Wang, Yang Zhuangzhuang, Shuaifeng Lu, Zhijun Wan, Sifei Liu |
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| Rok vydání: | 2020 |
| Předmět: |
Observational error
Computer science Applied Mathematics 020208 electrical & electronic engineering 010401 analytical chemistry Cushioning Mechanical engineering 02 engineering and technology Repeatability Condensed Matter Physics 01 natural sciences 0104 chemical sciences law.invention Vibration Ignition system Reliability (semiconductor) law visual_art Electronic component 0202 electrical engineering electronic engineering information engineering visual_art.visual_art_medium Head (vessel) Electrical and Electronic Engineering Instrumentation |
| Zdroj: | Measurement. 149:107034 |
| ISSN: | 0263-2241 |
| Popis: | To avoid the gas ignition danger caused by the friction between pick and rock, a pick temperature-measuring system was developed to obtain the actual temperature at the tip of cutting head. A mine temperature-measuring pick based on PT100 was developed for the first time. In the pick, the vibration and explosion of internal electronic components were prevented by a cushioning layer and a sealing cover. A new temperature-measuring circuit solution was proposed and the theoretical resolution of sensor can be up to 0.0008 °C. Then, the temperature-measuring pick was calibrated and corrected through a constant temperature water bath test, and the measurement error remained within 0.01 °C. According to the coal-cutting test, the data error between temperature-measuring pick and thermal infrared is less than 2%, which proves credibility, reliability and repeatability of the temperature-measuring pick. The temperature-measuring pick completely meets the actual needs of production. |
| Databáze: | OpenAIRE |
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