Capacitive temperature sensor and using method thereof

A temperature sensor and capacitor technology, applied in the field of temperature sensors and capacitive temperature sensors, can solve the problems of inability to measure large devices, influence of absorption rate measurement, fast response speed, etc., and achieve wide application range, true and reliable data, and small system error Effect
CN110763357AInactive Publication Date: 2020-02-07JIANGSU UNIV OF SCI & TECH
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
JIANGSU UNIV OF SCI & TECH
Publication Date
2020-02-07
Estimated Expiration
Not applicable Β· inactive patent

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Abstract

The invention discloses a capacitive temperature sensor and a using method thereof. The capacitive temperature sensor is composed of a temperature sensing bag, a capillary tube, a bellows, a base, a temperature sensing working medium, a capacitor left electrode plate and a capacitor right electrode plate; the base is an L-shaped plate structure; a semi-circular groove is opened on a vertical plate; one end of the bellows is fixedly connected in the semi-circular groove, and the capillary tube and the temperature sensing bag are fixedly connected in order outwardly; the other end of the bellowsis overhanging on a horizontal plate of the base, and the end surface of the bellows is fixedly connected to the capacitor left electrode plate; the capacitor right electrode plate is vertically andfixedly connected to the base with a gap from the capacitor left electrode plate; and the communicating bellows, capillary tube and temperature sensing bag are filled with the same temperature sensingworking medium. The capacitive temperature sensor has the advantages of a simple structure, convenient operation during a using process, a small system error, a low economic cost, and double improvement of energy saving and safety.
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Description

technical field

[0001] The present invention relates to the technical field of temperature measurement, relates to a temperature sensor, and more particularly relates to a capacitive temperature sensor and its usage method, which are suitable for industrial manufacturing industry and intelligent manufacturing industry. Background technique

[0002] In the industrial manufacturing industry and intelligent manufacturing industry, the temperature of equipment and materials is an important parameter, which has a great impact on the normal operation of the workshop and the quality of the produced products. At present, there are many ways to measure temperature in industrial manufacturing, such as: pressure temperature measurement system, electric contact thermometer, bimetal thermometer, thermocouple, optical pyrometer, radiation pyrometer and infrared thermometer. However, there are still certain limitations in the various methods mentioned above.

[0003] Among them, the press...

Claims

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