Ultra-low power consumption wireless temperature measurement node based on RFID

A wireless temperature measurement, ultra-low power consumption technology, applied in signal transmission systems, inductive record carriers, electric vehicles, etc., to achieve the effect of simple device composition

Inactive Publication Date: 2010-10-06
UNIV OF ELECTRONIC SCI & TECH OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The purpose of the present invention is to overcome the problems and deficiencies of low power consumption design in current wirele

Method used

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  • Ultra-low power consumption wireless temperature measurement node based on RFID
  • Ultra-low power consumption wireless temperature measurement node based on RFID
  • Ultra-low power consumption wireless temperature measurement node based on RFID

Examples

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Embodiment

[0025] figure 1 It is a functional block diagram of a specific implementation of the ultra-low power consumption wireless temperature measurement node based on RFID of the present invention

[0026] In this embodiment, such as figure 1 As shown, the ultra-low-power wireless temperature measurement node based on RFID includes a temperature sensor module 1, a radio frequency control module 2, a power management control module 3, and a battery 4.

[0027] The temperature sensor module 1 is composed of an ultra-low power consumption digital temperature sensor chip and its peripheral circuits, which are used to collect ambient temperature data; the radio frequency control module 2 includes an embedded microprocessor 201 and an RFID radio frequency transceiver 202, which are controlled by the embedded microprocessor 201 And read the ambient temperature data collected by the temperature sensor module, and process the packaged data at the same time. Then, the RFID radio frequency transceive...

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Abstract

The invention discloses an ultra-low power consumption wireless temperature measurement node based on RFID; according to the actual situations, a temperature sensor module and a radio frequency control module in the wireless temperature measurement node are controlled to be connected and disconnected according to the temperature acquisition frequency and the acquisition time that a user define, the power supplies of the two modules are fully disconnected in non-working hours so as to further reduce the energy consumption of the wireless temperature measurement node, effectively reduce the power consumption of the whole system, prolong the use cycle of a battery, so that the service life of the wireless temperature measurement node is longer and the energy use is more efficient. The ultra-low power consumption wireless temperature measurement node based on RFID adopts a wireless transmission method for data transmission, does not need wiring in the temperature measurement system, saves the installation cost, does not damage the environment structure of a monitoring area, can randomly move on demand, has long service life, and has the advantages of modularized design, simple device, small overall size and convenient installation.

Description

Technical field [0001] The invention belongs to the technical field of wireless temperature data collection, and more specifically, relates to an ultra-low power consumption wireless temperature measurement node based on RFID. Background technique [0002] Temperature is the main controlled parameter in the fields of industrial control and warehouse storage. With the continuous advancement of today's science and technology, the requirements for temperature measurement accuracy in various fields have increased, and simple, convenient, and low-cost temperature measurement systems have attracted more and more attention. The existing wireless temperature measurement technology has nearly broken through the traditional structural limitations of temperature measurement sensors, line splitters, temperature measurement extensions, and control host components, and wired cables and wires for data transmission. [0003] The traditional RFID (Radio Frequency Identification) system only has th...

Claims

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Application Information

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IPC IPC(8): G08C17/02G06K7/00H02J7/00
Inventor 龙兵满翔田书林刘震
Owner UNIV OF ELECTRONIC SCI & TECH OF CHINA
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