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Device for detecting temperature

A temperature detection device and temperature sensor technology, which is applied to measurement devices, thermometers, electrical devices, etc., can solve the problems of complex circuit structure, small temperature changes, and inability to detect, and achieve the effect of improving sensitivity and reducing costs.

Inactive Publication Date: 2019-02-19
广州市优仪科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the detection sensitivity of the temperature detection device in the prior art is low, and it cannot detect small temperature changes. Moreover, the circuit structure is complicated and the cost is high.

Method used

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  • Device for detecting temperature
  • Device for detecting temperature

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Embodiment Construction

[0031] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0032] In describing the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating ...

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Abstract

The invention provides a device for detecting temperatures. The device comprises a temperature sensor input unit, a voltage amplification module, an integration module, a voltage comparison module, and a central processing module. The voltage amplification module is connected with the temperature sensor input unit by an input end, and is used for amplifying a detection voltage signal of the temperature sensor input unit to obtain an amplification signal. The integration module is connected with an output end of the voltage amplification module to obtain the amplification voltage output by thevoltage amplification module, and performs integration operation on the amplification signal. The voltage comparison module is connected with the integration module to compare an integration voltage outputted after the integration operation by the integration module with a preset voltage, and outputs a comparison result signal according to a comparison result. The central processing module is connected with the voltage comparison module, and is used for calculating a temperature value detected by a corresponding thermocouple according to the comparison result signal.

Description

technical field [0001] The invention relates to the field of temperature detection, in particular to a temperature detection device. Background technique [0002] In the prior art, the temperature detection mostly adopts the thermistor to sense the temperature change, and realizes the temperature detection by sensing the voltage change on the thermistor. [0003] However, the detection sensitivity of the temperature detection device in the prior art is low, it cannot detect small temperature changes, and the circuit structure is complicated and the cost is high. [0004] Therefore, there are defects in the prior art, and improvement is badly needed. Contents of the invention [0005] The object of the present invention is to provide a temperature detection device, which has the beneficial effects of improving detection accuracy and reducing cost. [0006] An embodiment of the present invention provides a temperature detection device, including: [0007] Temperature sens...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/02
CPCG01K7/021
Inventor 叶南洋
Owner 广州市优仪科技有限公司
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