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Wireless temperature measurement sensor network for substation and its networking working method

A sensor network and temperature measurement sensor technology, applied in the field of substations, can solve the problem of limited battery power supply without considering the temperature measurement sensor nodes

Inactive Publication Date: 2020-06-09
STATE GRID CHONGQING ELECTRIC POWER CO ELECTRIC POWER RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But similar to the former, although the problem of wireless temperature measurement of electrical equipment is solved functionally, it does not consider the situation of limited battery power supply of temperature measurement sensor nodes

Method used

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  • Wireless temperature measurement sensor network for substation and its networking working method
  • Wireless temperature measurement sensor network for substation and its networking working method
  • Wireless temperature measurement sensor network for substation and its networking working method

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Embodiment Construction

[0026] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0027] The block diagram of the system of the present invention is as figure 1 As shown, the wireless temperature measurement sensor network used in the substation environment of the present invention is divided into three modules: sensor network, gateway and monitoring station, through a large number of sensor nodes laid in the target detection area (such as substation or power transmission network tower) to measure key node equipment The operating status of the system is transmitted to the monitoring station for display, and the underlying network performs corresponding processing according to the instructions issued by the monitoring station.

[0028] The network topology of the present invention is as figure 2 shown. The whole wireless sensor network is composed of two sub-networks: the upper layer network formed by routers as network b...

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Abstract

A wireless temperature measurement sensor network for a substation, the device includes: a bottom temperature measurement sensor node, an upper layer routing node, a gateway and a monitoring station. The data collected by the underlying wireless temperature sensor nodes is sent to the routing node through the underlying ad hoc network, and the routing node sends the data to the gateway through the ZigBee network for corresponding processing to complete data collection and processing. The underlying ad hoc network adopts the SUB-G frequency band ad hoc network protocol, and the ZigBee network is used between router nodes. In order to reduce the number of backoffs required for a single sensor node to successfully access the channel, the nodes use the CSMA / CA channel access mode. At the same time, in order to find the best path in the ZigBee protocol network, the path priority routing algorithm with the lowest packet loss rate is adopted, and the shortest routing path is determined by the packet loss rate of the total path.

Description

technical field [0001] The present invention relates to a substation, in particular to a wireless temperature measurement sensor network and its networking working method for the substation environment, and the networking scheme can be extended to other wireless sensor network application occasions that require relatively strict energy consumption of sensor nodes . Background technique [0002] In today's power system, the cooperation, low cost, easy installation and flexibility of Wireless Sensor Network (WSN) make it have significant advantages over traditional communication technology. The latest research progress of wireless sensor network makes low-cost embedded power monitoring and diagnosis system completely feasible. In these systems, wireless multifunctional sensor nodes are installed at the key equipment of the smart grid and monitor the key parameters of each equipment operation, so that the smart grid can respond to the changing environment in a timely manner. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W40/12H04W74/08H04W84/18G06F13/42G08C17/02G01K13/00G01K1/024
CPCH04W40/12H04W74/0808H04W84/18G06F13/4282G08C17/02G01K13/00Y02D30/70
Inventor 李芬贺光辉祝永新王国兴李龙王谦籍勇亮
Owner STATE GRID CHONGQING ELECTRIC POWER CO ELECTRIC POWER RES INST
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