Wireless sensor network and sensor network-based water quality monitoring system

A water quality monitoring system and wireless sensor technology, applied in wireless communication, testing water, electrical components, etc., can solve the problems of aging monitoring equipment, insufficient sampling capacity, unbalanced large-scale analysis equipment, etc., to reduce the probability of message collision , Increase the sensor network capacity, the effect of excellent network topology capabilities

Inactive Publication Date: 2010-06-09
西安元智系统技术有限责任公司
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AI Technical Summary

Problems solved by technology

At present, there are still many problems in my country's water quality testing. First, the sampling capacity of water quality monitoring centers at all levels is insufficient, the monitoring frequency is low, the monitoring instruments and equipment in water quality monitoring laboratories are aging, and the large-scale analysis instruments are unbalanced.
Second, the mobile monitoring capacity is insufficient, the number of mobile water quality analysis and monitoring laboratories is too small, and the on-site monitoring capacity is low
Third, the number of automatic water quality monitoring stations is too small

Method used

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  • Wireless sensor network and sensor network-based water quality monitoring system
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Embodiment Construction

[0035] see figure 1 , the present invention provides a kind of wireless sensor network, comprises Zigbee central network coordinator 1, sink node 2, Zigbee wireless sensor node 3; Sink node 2 is a plurality of wireless nodes with routing function; Wireless network bridge connects Zigbee wireless network and Ethernet is the core part of the detection center network, responsible for the management of wireless sensor network nodes and device nodes. The present invention is based on the characteristics that the traffic between each sensor node 3 and the sink node 2 is relatively small, and proposes a star network topology mode based on wake-up on demand. The basic idea of ​​wake-up on demand is that the sensor node 3 is monitoring When the environment changes, the sensor node 3 can automatically wake up and communicate with the sink node, and report relevant information: otherwise, it works in a sleep state and uses a low-power monitoring channel to save power consumption of the s...

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Abstract

The invention provides a wireless sensor network and a sensor network-based water quality monitoring system. The wireless sensor network comprises a plurality of wireless sensor nodes and sink nodes for measuring environmental parameters, wherein the sensor nodes and sink nodes are wirelessly connected. The wireless sensor network provided by the invention effectively combines a modern wireless communication technique with a wire communication technique so as to form a full set of environment monitoring system, overcomes the shortcomings of a traditional monitoring scheme and has the advantages of practicability and advance.

Description

technical field [0001] The invention relates to a wireless sensor network and a water quality monitoring system based on the sensor network. Background technique [0002] Wireless sensor network (wireless sensor network) is a hot research field. It has broad application prospects in forest fire prevention, water quality monitoring and other environmental monitoring, military, medical health, home intelligent monitoring and other commercial fields. Wireless sensor networks have the characteristics of high sensor node density, convenient network networking, and low power consumption of nodes. ZigBee technology is a two-way wireless communication technology with short distance, low complexity, low power consumption, low data rate and low cost. Its network standard is based on IEEE 802.15.4. It is mainly suitable for the fields of automatic control and remote control, can be embedded in various devices, and supports geographic positioning functions at the same time. ZigBee pro...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W88/02G01N33/18
Inventor 邓宏
Owner 西安元智系统技术有限责任公司
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