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Temperature detecting method based on passive wireless RF temperature sensor

A temperature sensor, passive wireless technology, applied in the field of temperature detection based on passive wireless radio frequency temperature sensor, can solve the problems of low safety factor of temperature detection, limitation of temperature sensor range, etc., and achieve the effect of good linear relationship

Inactive Publication Date: 2018-11-20
HUBEI UNIV OF TECH
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  • Summary
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  • Claims
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Problems solved by technology

However, the temperature detection safety factor of today's temperature sensors is low, which limits the range of action of temperature sensors.

Method used

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  • Temperature detecting method based on passive wireless RF temperature sensor

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Embodiment Construction

[0016] 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.

[0017] refer to figure 1 , a temperature detection method based on a passive wireless radio frequency temperature sensor, comprising an acquisition module, a transmission module and a temperature sensor, the acquisition module is connected with a temperature sensor through the transmission module, and the temperature sensor includes a comparison module, a read-write module and a storage module, the output end of the transmission module is connected to the input end of the comparison module, the output end of the comparison module is connected to the input end of the read-write module, the output end of the read-write module is connected to the input end of the storage...

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Abstract

The invention discloses a temperature detecting method based on a passive wireless RF temperature sensor. A device according to the method comprises an acquisition module, a transmission module and atemperature sensor. The acquisition module is connected with the temperature sensor through the transmission module. According to the method, through communication between a temperature acquisition device in the acquisition module and the temperature sensor, temperature data are acquired and uploaded. The temperature acquisition device is connected with a temperature acquisition device antenna through an RF cable. The temperature acquisition device antenna is connected with the temperature acquisition device through an RF cable. A transceiving temperature acquisition device for the RF signal transmits the RF signal in a specific frequency range to periphery through the temperature acquisition device antenna. The temperature sensor receives an exciting signal which accords with a self resonance frequency and reflects an RF signal with temperature information. After the temperature acquisition device receives the RF signal reflected from the temperature sensor, the temperature acquisition device performs signal conditioning and data processing, thereby acquiring real-time temperature information acquired from the corresponding temperature sensor.

Description

technical field [0001] The invention relates to the technical field of temperature sensors, in particular to a temperature detection method based on a passive wireless radio frequency temperature sensor. Background technique [0002] A temperature sensor is a sensor that senses temperature and converts it into a usable output signal. The temperature sensor is the core part of the temperature measuring instrument, and there are many varieties. According to the measurement method, it can be divided into two categories: contact type and non-contact type. According to the characteristics of sensor materials and electronic components, it can be divided into two types: thermal resistance and thermocouple. [0003] Its sensitive components are not in contact with the measured object, also known as non-contact temperature measuring instrument. This instrument can be used to measure the surface temperature of moving objects, small targets and objects with small heat capacity or rap...

Claims

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Application Information

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IPC IPC(8): G01K11/26
CPCG01K11/265
Inventor 汪繁荣
Owner HUBEI UNIV OF TECH
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