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On-chip system based wireless temperature and humidity monitoring node and monitoring method thereof

A technology for monitoring nodes and systems on a chip, which is used in control/regulation systems, non-electric variable control, and simultaneous control of multiple variables. It is easy to modify and change, reduce power consumption, and avoid the effect of mutual interference.

Active Publication Date: 2014-10-15
SICHUAN UNIV
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  • Summary
  • Abstract
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  • Claims
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Problems solved by technology

[0004] The purpose of the present invention is to provide a system-on-chip wireless temperature and humidity monitoring node and its monitoring method to solve the problems of cumbersome deployment, troublesome modification, poor expansion performance, large space required for equipment and easy interference of signals in the prior art

Method used

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0031] figure 1 and figure 2 An embodiment of a wireless temperature and humidity monitoring node based on a system on chip is shown in the present invention: a wireless temperature and humidity monitoring node based on a system on chip,

[0032] Including microcontroller CC430, digital temperature and humidity sensor SHT11, polymer lithium battery, antenna, 32.768kHz low-frequency crystal oscillator, 26MHz high-frequency crystal oscillator and JTAG emulator,

[0033] The node is powered by a polymer lithium battery, the VCC pin of the microcontroller is connected to the positive pole of the bat...

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Abstract

The invention discloses an on-chip system based wireless temperature and humidity monitoring node and a monitoring method thereof. The wireless temperature and humidity monitoring node comprises a single chip CC430, a digital temperature and humidity sensor SHT11, a polymer lithium battery, an antenna, a 32.768KHZ low-frequency crystal oscillator, a 26MHZ high-frequency crystal oscillator and a JTAG (Joint Test Action Group) debugging port. The wireless temperature and humidity monitoring node and the monitoring method thereof are easy to install and deploy the environment as well as to maintain or refit, and can switch between dormancy and work, thereby greatly reducing power consumption and effectively avoiding mutual interference between a plurality of nodes.

Description

technical field [0001] The invention relates to the field of warehouse temperature and humidity monitoring, in particular to a system-on-chip wireless temperature and humidity monitoring node and a monitoring method for environments such as tobacco warehouses, grain warehouses, and cold storages. Background technique [0002] There are temperature and humidity monitoring requirements in warehouse monitoring such as tobacco warehouses, grain warehouses, and cold storages, so that the stored materials will not be moldy or deteriorated because the temperature and humidity exceed the normal range. Most of the traditional warehouse temperature and humidity monitoring adopts wired methods. The monitoring system is cumbersome to deploy, troublesome to refit, and has poor expansion performance. It is not convenient to disassemble and assemble when materials are moved in and out of the warehouse. It is not easy to move and increases the construction cost. [0003] In the existing te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D27/02
Inventor 胡四泉佘春东王俊峰
Owner SICHUAN UNIV
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