CN201408239Y - Wireless monitoring system applied to high-tension power transmission line - Google Patents

Wireless monitoring system applied to high-tension power transmission line Download PDF

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Publication number
CN201408239Y
CN201408239Y CN2009200959427U CN200920095942U CN201408239Y CN 201408239 Y CN201408239 Y CN 201408239Y CN 2009200959427 U CN2009200959427 U CN 2009200959427U CN 200920095942 U CN200920095942 U CN 200920095942U CN 201408239 Y CN201408239 Y CN 201408239Y
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China
Prior art keywords
monitoring
transmission line
module
power transmission
main control
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Expired - Lifetime
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CN2009200959427U
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Chinese (zh)
Inventor
韩双立
张力晨
周文涛
张会建
***
李季
赵增华
石高涛
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State Grid Corp of China SGCC
Tianjin Electric Power Corp
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Tianjin Electric Power Corp
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Abstract

The utility model relates to a wireless monitoring system applied to a high-voltage power transmission line, which consists of an acquisition terminal, a monitoring substation, a monitoring gateway, an internet and a monitoring center in a connecting manner. The acquisition terminal is connected with the monitoring substation by a Zigbee protocol and forms a wireless monitoring sub-network, the monitoring substations and the monitoring gateway are connected by a WiFi protocol and form a wireless monitoring backbone network, and the monitoring gateway is connected with the monitoring center bythe internet. The wireless monitoring system has reasonable design, can execute acquisition and transmission to various parameters of the high-voltage power transmission line, realizes the comprehensive monitoring of the whole high-voltage power transmission line, has the characteristics of reliable performance, high transmission speed, easy extension and low cost, and can be widely applied to thehigh-voltage power transmission line monitoring field of the electric power system.

Description

Be applied to the wireless monitor system of ultra-high-tension power transmission line
Technical field
The utility model belongs to the radio network technique field, especially a kind of wireless monitor system that is applied to ultra-high-tension power transmission line.
Background technology
Development along with wireless sensor network technology, not only can realize collection, transmission and processing to simple scalar data (as temperature, humidity, light intensity etc.), can also obtain multimedia data informations such as the abundant sound of quantity of information, image, realize the environmental monitoring of fine granularity, precise information, conduct monitoring at all levels is carried out in the perception zone, expanded the application of traditional wireless sensor networks greatly, huge potential application foreground has been arranged at aspects such as national defense safety, scientific research, medical treatment nurse, environmental monitorings.
Wireless sensor network has important use and is worth in the on-line monitoring of ultra-high-tension power transmission line.China's ultra-high-tension power transmission line has a very wide distribution, circuit is long, especially " transferring electricity from the west to the east " engineering, topography and geomorphology complexity not only, and some areas weather conditions are more abominable, particularly in the winter time, have icing on the cable for a long time, increasing to the weight load that high-tension cable brings, can cause disconnected cable and then shaft tower to collapse under the serious situation.In addition, various factorss such as foreign matter, the construction of circuit surrounding buildings, tower material be stolen are hung in flood erosion, unfavorable geology, fire, conductor galloping, lead all can cause in various degree influence and destruction to ultra-high-tension power transmission line, brings enormous economic loss.Therefore, in power industry, be badly in need of a kind of strong monitoring, monitoring means is carried out round-the-clock monitoring to transmission line of electricity environmental parameter and surrounding condition, make transmission line of electricity run on visual controlled among.Traditional monitoring means is to adopt the staff regularly to carry out to the on-the-spot mode of checking, so not only consumes great amount of manpower and material resources, and can not in time monitor event of failure, brings some unnecessary work to incur loss through delay, even can enlarge fault coverage.Existing solution use usually mobile radio communication (GPRS, CDMA) carry out scalar data (as temperature, humidity, light intensity etc.) transmission, but this method there are the following problems:
1. poor reliability.It relies on mobile radio communication fully, and the network coverage of mobile radio communication is limited, generally can not cover unfrequented place.Yet, ultra-high-tension power transmission line, especially UHV transmission line, usually distance is crossed over the abominable regions of environment such as remote mountain area, desert, as the transmission line of electricity of the West-to-East Electricity Transmission Project of China.These places mostly are the zones that mobile radio communication does not cover.In addition, base station of mobile communication network can cause all users the jurisdiction district in can't proper communication when being subjected to as harm such as snow disaster, earthquake after losing efficacy in the base station, and the reparation of base station difficulty, and recovery signal post takes time longer.
2. be difficult to realize multiparameter, conduct monitoring at all levels, its extendability is poor.The restriction that inserted by mobile radio communication, a common access point can only be monitored a kind of or a class parameter, as gentle breeze vibration monitoring system, insulator contamination monitoring system, leakage current monitoring system etc.Just need to increase the access point number if monitor a plurality of parameters, along with the increase of monitoring scale, the realization of rear end monitoring will be very complicated, poor expandability.
3. the operating cost height of monitoring system.Use mobile radio communication to produce a large amount of Internet utilization fees, although be down regulation trend by flow charging, price, extensive, use for a long time, its cost of use still is appreciable.
4. transfer rate is low.The effective transmission speed of mobile radio communication has only tens to Kbps more than 100, is difficult to satisfy the transmission demand of high-resolution picture, video, can not realize the monitoring to states such as cable icing, insulator contaminations.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, proposes a kind of dependable performance, transfer rate height, is easy to expand and the wireless monitor system that is applied to ultra-high-tension power transmission line that operating cost is low.
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of wireless monitor system that is applied to ultra-high-tension power transmission line, connect and compose by acquisition terminal, monitoring sub-station, monitoring gateway, internet and Surveillance center, acquisition terminal is connected with monitoring sub-station by the Zigbee agreement and constitutes the wireless monitor subnet, be connected by the WiFi agreement between the monitoring sub-station and between monitoring sub-station and the monitoring gateway and constitute the wireless monitor backbone network, the monitoring gateway is connected with Surveillance center by the internet.
And described acquisition terminal is installed on feeder cable or the electric power pylon, and described monitoring sub-station is installed on the electric power pylon, and described monitoring gateway is installed in the high voltage substation.
And, described acquisition terminal comprises an acquisition terminal control circuit, this acquisition terminal control circuit is made of main control module, sensor assembly, Zigbee communication module and power module, main control module is connected with sensor assembly by the I/O interface, and main control module is connected with the Zigbee communication module by the SPI interface.
And described sensor assembly comprises scalar sensors and vector sensor.
And, described monitoring sub-station comprises a monitoring sub-station control circuit, this monitoring sub-station control circuit is made of main control module, WiFi communication module, Zigbee communication module and power module, main control module is connected with the WiFi communication module by the MiniPCI interface, and main control module is connected with the Zigbee communication module by the SPI interface.
And, described monitoring gateway comprises a monitoring network-gate control circuit, this monitoring network-gate control circuit is made of main control module, WiFi communication module, ethernet module and power module, main control module is connected with the WiFi communication module by the MiniPCI interface, and main control module is connected with ethernet module by the SMC interface.
And described wireless monitor subnet adopts Star Network or mesh network to connect.
Advantage of the present utility model and good effect are:
1. this wireless monitor system can be according to actual needs, ultra-high-tension power transmission line is carried out polytype parameter to be gathered and transmits, realized comprehensive monitoring, for Surveillance center gathers, analyzing and processing provides comprehensive, full and accurate Monitoring Data to the whole piece transmission line of electricity.
2. this wireless monitor system reliability height, it does not rely on network infrastructure, can not be subjected to the restriction of mobile radio communication coverage, insert the internet by self-organizing network, when some node is subjected to disaster invasion and attack can't operate as normal the time, the node of surviving still might organize themselves into network, and self-healing property is strong, has improved the reliability of monitoring system.
3. this wireless monitor system can increase, reduce monitoring project and monitored area easily, changes network structure as required, has strengthened the dirigibility and the extensibility of system.
4. this wireless monitor system adopts IEEE 802.11 communication protocols to carry out the transmission of data at the backbone network nail, its transmission speed height, distance, can support the polytype data, especially the transmission of multi-medium data: can not only support the transmission of scalar small data, can also support the transmission of the multi-medium data of big data quantities such as picture, video.
5. this wireless monitor system does not use mobile radio communication to carry out the transmission of wireless data, has reduced operating cost.
6. the utility model is reasonable in design, can carry out polytype parameter to ultra-high-tension power transmission line gathers and transmits, realized comprehensive monitoring to the whole piece ultra-high-tension power transmission line, have dependable performance, transfer rate height, be easy to expand and characteristics that operating cost is low, can be widely used in the ultra-high-tension power transmission line monitoring field of electric system.
Description of drawings
Fig. 1 is the connection diagram that is applied to the wireless monitor system of ultra-high-tension power transmission line;
Fig. 2 is the circuit block diagram of acquisition terminal;
Fig. 3 is the circuit block diagram of monitoring sub-station;
Fig. 4 is the circuit block diagram of monitoring gateway.
Embodiment
Below in conjunction with accompanying drawing the utility model embodiment is further described.
A kind of wireless monitor system that is applied to ultra-high-tension power transmission line, as shown in Figure 1, connect and compose by acquisition terminal, monitoring sub-station 5, monitoring gateway 6, internet 7 and Surveillance center 8, promptly use the monitoring gateway to be connected with Surveillance center by the internet by two-layer wireless monitor network, acquisition terminal comprise can collecting temperature equiscalar data scalar acquisition terminal 1 with can gather the vector acquisition terminal 2 of picture isovector data.Two-layer wireless monitor network comprises wireless monitor subnet 3 and wireless monitor backbone network 4, the wireless monitor subnet is connected to form by Zigbee agreement and monitoring sub-station by acquisition terminal, the wireless monitor backbone network is by being connected to form by the WiFi agreement between the monitoring sub-station and between monitoring sub-station and the monitoring gateway, and the monitoring gateway is connected with Surveillance center by the internet.Wherein:
The wireless monitor subnet adopts Star Network or mesh network to connect, and monitoring sub-station is collected the data of various acquisition terminal institute perception on the transmission line of electricity as aggregation node and to the transmission of monitoring gateway.Acquisition terminal both can be installed on the feeder cable and be its power supply by the current/voltage on the induction cable, also can be installed in and use sun-generated electric power on the electric power pylon, acquisition terminal both can collecting temperature, humidity, light intensity, vibration, pressure equiscalar data, also can gather picture, video isovector data, described monitoring sub-station is installed on the electric power pylon and is its power supply by sun power.
The wireless monitor backbone network can adopt randomly topologically structured the connection, use routing algorithm the sensing data multi-hop that each monitoring sub-station is collected can be forwarded to the monitoring gateway, all carry out high speed data transfer between between the monitoring sub-station and monitoring website and the monitoring gateway by the WiFi agreement, the monitoring gateway is installed in the high voltage substation usually, and monitoring gateway internet usage upload the data to Surveillance center.
Acquisition terminal in wireless monitor system comprises an acquisition terminal control circuit, this acquisition terminal control circuit is made of main control module, sensor assembly, Zigbee communication module and power module, as shown in Figure 2, main control module is connected with sensor assembly by the I/O interface, and main control module is connected with the Zigbee communication module by the SPI interface.Wherein: main control module adopts the high-performance low-power-consumption MPC8272 chip of Freescale; Sensor assembly can adopt the scalar sensors module of data such as sense temperature, also can adopt the vector sensor of data such as perception picture; The Zigbee communication module adopts the Jennic5139 chip, it is integrated MCU and radio-frequency module, and support IEEE 802.15.4 standard, realize the transmission range of 4Km; Power supply can be its power supply by the current/voltage on sun-generated electric power or the induction cable.
Monitoring sub-station in wireless monitor system comprises a monitoring sub-station control circuit, as shown in Figure 3, this monitoring sub-station control circuit is made of main control module, WiFi communication module, Zigbee communication module and power module, main control module is connected with the WiFi communication module by the MiniPCI interface, and main control module is connected with the Zigbee communication module by the SPI interface.Wherein: main control module adopts the high-performance low-power-consumption MPC8272 chip of Freescale; The Zigbee communication module adopts the Jennic5139 chip, it is integrated MCU and radio-frequency module, and support IEEE 802.15.4 standard, and realize the transmission range of 4Km, power supply can be its power supply by sun-generated electric power; The WiFi communication module adopts the XtreamRange2 chip of Ubiquiti Network, can support two wireless network cards that have the XtreamRange2 chip to work simultaneously.Monitoring sub-station adopts the self-organizing network based on IEEE 802.11 agreements, can support remote (tens kilometers) transmission, and the higher network bandwidth is provided.
Monitoring gateway in the wireless monitor system comprises a monitoring network-gate control circuit, as shown in Figure 4, this monitoring network-gate control circuit is made of main control module, WiFi communication module, ethernet module and power module, main control module is connected with the WiFi communication module by the MiniPCI interface, and main control module is connected with ethernet module by the SMC interface.Wherein: main control module adopts the high-performance low-power-consumption MPC8272 chip of Freescale; The WiFi communication module adopts the XtreamRange2 chip of Ubiquiti Network, can support two wireless network cards that have the XtreamRange2 chip to work simultaneously; Ethernet module adopts the KS8995 chip of Micrel.The monitoring gateway is installed in the high voltage substation, is its power supply by AC power.
Embodiment described in the utility model is illustrative; rather than it is determinate; therefore the utility model is not limited to the embodiment described in the embodiment; every by those skilled in the art according to other embodiments that the technical solution of the utility model draws, belong to the scope of the utility model protection equally.

Claims (7)

1. wireless monitor system that is applied to ultra-high-tension power transmission line, it is characterized in that: connect and compose by acquisition terminal, monitoring sub-station, monitoring gateway, internet and Surveillance center, acquisition terminal is connected with monitoring sub-station by the Zigbee agreement and constitutes the wireless monitor subnet, be connected by the WiFi agreement between the monitoring sub-station and between monitoring sub-station and the monitoring gateway and constitute the wireless monitor backbone network, the monitoring gateway is connected with Surveillance center by the internet.
2. the wireless monitor system that is applied to ultra-high-tension power transmission line according to claim 1, it is characterized in that: described acquisition terminal is installed on feeder cable or the electric power pylon, described monitoring sub-station is installed on the electric power pylon, and described monitoring gateway is installed in the high voltage substation.
3. the wireless monitor system that is applied to ultra-high-tension power transmission line according to claim 1 and 2, it is characterized in that: described acquisition terminal comprises an acquisition terminal control circuit, this acquisition terminal control circuit is made of main control module, sensor assembly, Zigbee communication module and power module, main control module is connected with sensor assembly by the I/O interface, and main control module is connected with the Zigbee communication module by the SPI interface.
4. the wireless monitor system that is applied to ultra-high-tension power transmission line according to claim 3 is characterized in that: described sensor assembly comprises scalar sensors and vector sensor.
5. the wireless monitor system that is applied to ultra-high-tension power transmission line according to claim 1 and 2, it is characterized in that: described monitoring sub-station comprises a monitoring sub-station control circuit, this monitoring sub-station control circuit is made of main control module, WiFi communication module, Zigbee communication module and power module, main control module is connected with the WiFi communication module by the MiniPCI interface, and main control module is connected with the Zigbee communication module by the SPI interface.
6. the wireless monitor system that is applied to ultra-high-tension power transmission line according to claim 1 and 2, it is characterized in that: described monitoring gateway comprises a monitoring network-gate control circuit, this monitoring network-gate control circuit is made of main control module, WiFi communication module, ethernet module and power module, main control module is connected with the WiFi communication module by the MiniPCI interface, and main control module is connected with ethernet module by the SMC interface.
7. the wireless monitor system that is applied to ultra-high-tension power transmission line according to claim 1 is characterized in that: described wireless monitor subnet adopts Star Network or mesh network to connect.
CN2009200959427U 2009-03-19 2009-03-19 Wireless monitoring system applied to high-tension power transmission line Expired - Lifetime CN201408239Y (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102843386A (en) * 2011-05-30 2012-12-26 上海励谙电子技术有限公司 Radio frequency communication module for fault indicator of power distribution network line and applications of radio frequency communication module
CN103401899A (en) * 2013-07-16 2013-11-20 合肥工业大学 Online monitoring multistage network networking method for linear high-voltage power transmission line
CN111866702A (en) * 2019-04-09 2020-10-30 蔡守冠 Positioning tracking method and multi-point communication system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102843386A (en) * 2011-05-30 2012-12-26 上海励谙电子技术有限公司 Radio frequency communication module for fault indicator of power distribution network line and applications of radio frequency communication module
CN102843386B (en) * 2011-05-30 2015-04-01 上海励谙电子技术有限公司 Radio frequency communication module for fault indicator of power distribution network line and applications of radio frequency communication module
CN103401899A (en) * 2013-07-16 2013-11-20 合肥工业大学 Online monitoring multistage network networking method for linear high-voltage power transmission line
CN111866702A (en) * 2019-04-09 2020-10-30 蔡守冠 Positioning tracking method and multi-point communication system

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Owner name: TIANJIN ELECTRIC POWER CORP.

Effective date: 20130521

Owner name: STATE ELECTRIC NET CROP.

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Effective date: 20130521

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Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Patentee after: State Grid Corporation of China

Patentee after: Tianjin Electric Power Corp.

Address before: 300010 Tianjin city Hebei District Wujing Road No. 39

Patentee before: Tianjin Electric Power Corp.

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20100217