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Low-power-consumption embedded type wireless sensor network node device

A wireless sensor and network node technology, applied in network topology, wireless communication, instruments, etc., can solve the problems of single function, high power consumption, and can not be embedded in the engineering structure, so as to reduce power consumption and low power consumption , The effect of reducing power consumption

Active Publication Date: 2013-04-17
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention provides a low power consumption embedded wireless sensor network node device in order to solve the problems that the existing wireless network sensor node device consumes a lot of power, cannot be embedded in an engineering structure, and has a single function.

Method used

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Embodiment Construction

[0040] A low-power embedded wireless sensor network node device, including a sensor unit, an MCU unit, a radio frequency module, a radio frequency transceiver unit including a radio frequency chip in the radio frequency module, and a miniature digital three-axis accelerometer in the sensor unit For smart sensors, the MCU in the MCU unit contains a self-triggering program, and the self-triggering program includes the following steps:

[0041] After the device is powered on and initialized, it enters a dormant state, and the miniature digital three-axis accelerometer smart sensor is in a semi-dormant state;

[0042] The miniature digital three-axis accelerometer smart sensor detects the vibration, impact, displacement and other signals of the engineering structure, and the miniature digital three-axis accelerometer smart sensor converts the detected signal into a digital signal, and the converted digital signal and the miniature digital Comparison of setpoints in a three-axis ac...

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Abstract

The invention relates to a wireless sensing network technology, particularly relates to a low-power-consumption embedded type wireless sensor network node device, and solves the problems of the conventional wireless sensor network node device that the power consumption is great, the conventional wireless sensor network node device cannot be embedded into an engineering structure body and the function is single. The low-power-consumption embedded type wireless sensor network node device comprises a sensor control module, a central comprehensive control module, a wireless radio frequency module and a power supply managing module. According to the low-power-consumption embedded type wireless sensor network node device disclosed by the invention, the problems that the power consumption is great and the wireless sensor network node device cannot be completely embedded and distributed when the wireless sensor network node device is deployed in the engineering structure body in a large scale are effectively solved; the problems of volume and data collection and treatment, and communication protocols and the like are solved; and under the preconditions that the safety and the reliability of data are ensured and a network node has good robustness, a wireless sensing network is used for carrying out remote monitoring on physical quantities inside the structure bodies including bridges, large-sized reservoir and dams, highway roadbeds, buildings and the like, so that the networked, intelligent and digital monitoring is realized.

Description

technical field [0001] The invention relates to wireless sensor network technology, in particular to a low power consumption embedded wireless sensor network node device. Background technique [0002] With the rapid development of our country's national economy and the continuous improvement of people's living standards, the demand for wireless sensors in various fields is increasing day by day, and the wireless sensor network has also achieved unprecedented development. Considering factors such as transmission rate, communication distance and power consumption, the currently widely used and mature short-range wireless sensor networks include Bluetooth, ZigBee, wireless local area network 802.11 (Wi-Fi) and infrared data transmission networks. [0003] Although the current wireless sensor network is developing rapidly, most of the existing ones are limited to the monitoring deployment of conventional ground space. As citizens pay more and more attention to the safety of lif...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02H04W84/18H04B1/40G08C17/02
CPCY02D30/70
Inventor 桑胜波胡杰李刚程超群李朋伟张文栋程鹏
Owner TAIYUAN UNIV OF TECH
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