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发明公开
CN106525331A 一种笔式自由场压力传感器校准装置 有权

一种笔式自由场压力传感器校准装置
摘要：
本发明公开的一种笔式自由场压力传感器校准装置，所述的笔式自由场压力传感器校准装置，包括活塞式脉冲压力发生器、标准压力传感器、传感器校准安装及密封装置、油路连接管、力锤；所述的标准压力传感器安装于活塞式脉冲压力发生器上，与活塞式脉冲压力发生器的油腔联通并感知油腔内压力；所述的被校笔式自由场压力传感器固定在传感器校准安装及密封装置中，在被校笔式自由场压力传感器的敏感芯体上形成密封腔，并通过油路连接管与活塞式脉冲压力发生器的油腔连接而充满液压油；本发明公布的校准装置结构简单，体积小巧，操作方便，可解决笔式自由场压力传感器使用中不易校准的难题。
摘要（英）：

The invention discloses a pen type free field pressure sensor calibration device. The pen type free field pressure sensor calibration device includes a piston type pulse pressure generator, a standard pressure sensor, a sensor calibration installation and sealing device, an oil line connecting pipe and a force hammer; the standard pressure sensor is installed on the piston type pulse pressure generator, communicates with an oil chamber of the piston type pulse pressure generator and senses pressure in the oil chamber; and a pen free field pressure sensor under calibration is fixed in the sensor calibration installation and sealing device, a sealing cavity is formed on a sensitive chip body of the pen type free field pressure sensor under calibration, and is connected with the oil chamber of the piston type pulse pressure generator through the oil line connecting pipe and the oil chamber is filled with hydraulic oil. The calibration device disclosed by the invention is simple in structure, small and exquisite in size and convenient to operate, and can solve the problem that a pen type free field pressure sensor is not easy to calibrate in use.

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