Non-contact pressure explosion-proof sensor
A pressure sensor, non-contact technology, applied in the field of sensors, can solve the problem of not being able to control the internal temperature of the pressure sensor, and achieve the effect of improving the service life
Inactive Publication Date: 2019-03-26
湖北康利安动力科技有限公司
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Problems solved by technology
[0003] The purpose of the present invention is to solve the shortcoming that the internal temperature of the pressure sensor cannot be controlled in the prior art, and propose a non-contact pressure explosion-proof sensor
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[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0020] refer to Figure 1-4 , a non-contact pressure explosion-proof sensor, including a metal case 1, a pressure sensor body 2 is provided inside the metal case 1, the pressure sensor body 2 is clamped in the metal case 1, and a pressure gauge is provided on the metal case 1, which can clearly The pressure value detected by the pressure sensor is displayed. One end of the pressure sensor body 2 is provided with a fixed nut 3, which is fixedly connected to the pressure sensor body 2. The fixed nut 3 is provided with a threaded joint 4, and the threaded joint 4 and the fixed nut 3 Fixed connection, the end of the pressure sensor body 2 away from the threaded joint 4 i...
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The invention relates to the technical field of sensors, and in particular relates to a non-contact pressure explosion-proof sensor. The sensor comprises a metal casing. A pressure sensor body is arranged in the metal casing. A fixing nut is arranged on one end of the pressure sensor body. A threaded joint is arranged on the fixing nut. A pressure guiding port is arranged on one end of the pressure sensor body. The metal casing is provided with a sealing box. The metal casing is provided with a wire joint. The metal casing is provided with a heat dissipating device. An air inlet and an air outlet are arranged in the heat dissipating device. A partition is arranged between the air inlet and the air outlet. A fan is arranged in the air inlet. An exhaust fan is arranged in the air outlet. Thefan and the exhaust fan are connected with a motor. A cavity is arranged inside the metal casing. A micro temperature sensor is arranged on the inner wall of the cavity. A control box is arranged outside the heat dissipating device. The non-contact pressure explosion-proof sensor provided by the invention has the advantages that the safety is greatly improved, and the service life is extended.
Description
technical field [0001] The invention relates to the technical field of sensors, in particular to a non-contact pressure explosion-proof sensor. Background technique [0002] Explosion-proof pressure sensors have many characteristics such as reliable operation, convenient installation and use, high cost performance, stable performance, and high explosion-proof grades. Therefore, today's explosion-proof pressure sensors have been applied in many industrial fields. The principle of explosion-proof pressure sensors and Ordinary pressure sensors are basically the same. The pressure of the measured medium is transmitted to the explosion-proof transmitter through the joint. The measuring head is a component that can change the capacitance. Due to the effect of pressure, the capacitance of the measuring head changes with the change of pressure. , the changing capacitance output by the measuring head is transmitted to the oscillator of the oscillation board, and the oscillator change...
Claims
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IPC IPC(8): G01L19/00G01L19/06G01L9/12
CPCG01L9/12G01L19/00G01L19/0663
Inventor 杨斌
Owner 湖北康利安动力科技有限公司