CN202353096U - Ultrahigh voltage power transmission line remote inspection system - Google Patents

Abstract

The utility model remote inspection system for ultra-high voltage transmission lines belongs to the technical field of ultra-high voltage transmission line monitoring; the technical problem to be solved is: to provide a remote inspection system capable of real-time monitoring of ultra-high voltage transmission lines; the adopted technical solution is: front-end monitoring The communication equipment of the device is connected with the background monitoring system through the data communication network; the front-end monitoring device includes online equipment and base station equipment, the online equipment is installed on the high-voltage transmission line, and the base station equipment is installed on the iron tower of the high-voltage transmission line; the utility model Applicable to substations, power plants and other fields.

Description

Ultra-high voltage transmission line remote inspection system

technical field

The utility model relates to a remote inspection system for an ultra-high voltage transmission line, which belongs to the technical field of ultra-high voltage transmission line monitoring.

Background technique

EHV transmission lines are located in the wild, and are affected by wind, rain, fog, ice, snow, hail, lightning and other atmospheric environments. They are also affected by natural disasters such as floods, landslides, and debris flows. , quarrying, blasting, farmland, water conservancy renovation and other human factors also directly threaten the safe operation of transmission lines. Therefore, it is necessary to strengthen the inspection work of transmission lines.

The following problems exist in the current inspection of ultra-high voltage lines: 1. The distance of ultra-high voltage lines is long and the terrain is complex. Manual inspection is completely adopted, and the work of inspectors is difficult, and this periodic inspection cannot find problems in time; 2. The application of helicopter line inspection has played a certain role in strengthening line inspection, but its operating cost is relatively high, and it can only inspect defects such as line channels and wire heating.

Utility model content

The utility model overcomes the deficiencies in the prior art, and the technical problem to be solved is to provide a remote inspection system capable of real-time monitoring of ultra-high voltage transmission lines.

In order to solve the above-mentioned technical problems, the technical solution adopted by the utility model is: a remote inspection system for ultra-high voltage transmission lines, including: a front-end monitoring device, a data communication network and a background monitoring system, and the communication equipment of the front-end monitoring device communicates with the background through the data communication network The monitoring system is connected; the front-end monitoring device includes online equipment and base station equipment, the online equipment is installed on the high-voltage transmission line, and the base station equipment is installed on the iron tower of the high-voltage transmission line;

The circuit structure of the online device is as follows: the power terminals of the distance measuring unit, the current measuring unit and the temperature measuring unit are all connected to the high-energy rechargeable battery, and the signal output terminals of the distance measuring unit, the current measuring unit and the temperature measuring unit are all connected to the The microwave communication transmitting module is connected;

The circuit structure of the base station equipment is as follows: the power supply terminals of the sensor group module, the data integration module, the communication module, the camera and the video encoder are all connected to the power supply module, and the signal output terminal of the sensor group module is connected to the input port of the data integration module, The output port of the data integration module is connected with the input port of the communication module, the data integration module is connected with a microwave communication receiving module, the output end of the camera is connected with the input end of the video encoder, and the output end of the video encoder is connected with the communication module connected to the input port;

The microwave communication transmitting module is connected with the microwave communication receiving module through a wireless radio frequency network;

The communication module is the communication equipment of the front-end monitoring device.

The circuit structure of the background monitoring system is as follows: the communication interface of the optical transceiver is connected to the data communication network, the output port of the optical transceiver is serially connected to a switch and then connected to a monitoring computer, and the monitoring computer is connected to a LCD splicing curtain wall.

The sensor group module includes a tilt sensor, an infrared sensor, a vibration sensor, an anti-theft sensor, a tension sensor, a temperature and humidity sensor, and a wind speed sensor.

Compared with the prior art, the utility model has the beneficial effects that: the utility model detects the ultra-high voltage transmission line information in real time through the video system and the microwave ranging system in the front-end monitoring device, and various sensors, and through the transmission line on the transmission line The overhead composite ground wire sends the high-voltage transmission line information to the background monitoring system in real time, achieving real-time monitoring of the ultra-high voltage transmission line; The remote inspection function of the transmission line, the whole system device structure is simple, easy to install and maintain; the components used are cheap and low in cost.

Description of drawings

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

Fig. 1 is a schematic diagram of the circuit structure of the utility model.

In the figure: 1 is the front-end monitoring device, 2 is the data communication network, 3 is the background monitoring system, 4 is the online equipment, 5 is the base station equipment, 6 is the distance measurement unit, 7 is the flow measurement unit, 8 is the temperature measurement unit, 9 is a high-energy rechargeable battery, 10 is a microwave communication transmitting module, 11 is a sensor group module, 12 is a data integration module, 13 is a communication module, 14 is a camera, 15 is a video encoder, 16 is a power supply module, and 17 is a microwave communication receiver Module, 18 is an optical transceiver, 19 is a switch, 20 is a monitoring computer, and 21 is an LCD splicing curtain wall.

Detailed ways

As shown in Figure 1, the utility model ultra-high voltage transmission line remote inspection system includes: a front-end monitoring device 1, a data communication network 2 and a background monitoring system 3, and the communication equipment of the front-end monitoring device 1 communicates with the background monitoring system through the data communication network 2 3 connected, the data communication network 2 uses the overhead composite ground wire on the power transmission line to perform data communication, and the data communication network 2 can access up to 100 front-end monitoring devices 1 at the same time, and the distribution of the front-end monitoring devices 1 depends on the environment of the area where the line is located. Consider comprehensively the characteristics of landform, climate and so on. Places with good terrain conditions have large distribution points, and places with poor terrain conditions can be distributed according to the terrain conditions to achieve the best monitoring effect.

Described front-end monitoring device 1 comprises on-line equipment 4 and base station equipment 5, and on-line equipment 4 is installed on the high-voltage transmission line, and base station equipment 5 is installed on the iron tower of high-voltage transmission line, and the quantity of on-line equipment 4 in the front-end monitoring device 1 can be according to Line topographical configuration, wired equipment 4 can be installed in the lower part of the base.

The circuit structure of the online device 4 is as follows: the power terminals of the distance measuring unit 6, the current measuring unit 7 and the temperature measuring unit 8 are all connected to the high-energy rechargeable battery 9, and the distance measuring unit 6, the current measuring unit 7 and the temperature measuring unit The signal output terminals of the unit 8 are all connected to the microwave communication transmitting module 10;

The distance measuring unit 6 above can use a microwave distance measuring sensor model LW-SMS24G1, which can meet the requirements of long-term continuous work outdoors, and is not easily affected by environmental factors, and the price is moderate. The ideal choice for the selected microwave ranging sensor, the working frequency of the selected microwave ranging sensor is 10.5G Hz carrier, using an all-solid-state microwave device aluminum alloy waveguide cavity, horn antenna, ranging from 1 meter to 20 meters, and the measurement accuracy is not lower than the measured value ±(1%D+20)cm;

The above-mentioned current measuring unit 7 adopts a current transformer of model LW-I-AD71, and the temperature measuring unit 8 adopts a temperature sensor of model LW-T-18B201; a high-energy rechargeable battery 9 is used to power the whole device, and a model of LW can also be used. —The online power-taking equipment of PW01 supplies power for the whole device. The online equipment 4 can achieve the functions of cross-over distance monitoring, wire current monitoring, wire temperature monitoring and wire sag monitoring of high-voltage transmission lines, and can transmit modules through microwave communication 10 to send the line data to the base station equipment 5, and the microwave communication transmitting module 10 may adopt a microwave communication module whose model is LW-RF-930M.

The circuit structure of described base station equipment 5 is: the power supply terminal of sensor group module 11, data integration module 12, communication module 13, camera 14 and video encoder 15 is all connected with power supply module 16, and the signal output terminal of sensor group module 11 is connected with The input port of the data integration module 12 is connected, the output port of the data integration module 12 is connected with the input port of the communication module 13, the data integration module 12 is connected with a microwave communication receiving module 17, the output end of the camera 14 is connected with the video encoder 15 The input end is connected, and the output end of the video encoder 15 is connected with the input port of the communication module 13;

The microwave communication transmitting module 10 is connected to the microwave communication receiving module 17 through a wireless radio frequency network; the microwave communication receiving module 17 receives the transmission line information collected by the online equipment 4, and sends the information to the communication module 13;

The communication module 13 is a communication device of the front-end monitoring device 1 , and the communication module 13 sends the high-voltage transmission line information collected by the front-end monitoring device 1 to the background monitoring system 3 .

The above-mentioned camera 14 can be a camera of the model SSC-DC83P/88P, equipped with a Seiko lens of the model SR12575A, the video encoder 15 is a single-channel D1 network video server of the model WB2000D-I, and the camera 14 collects data around the ultra-high voltage transmission line. Video information, and the video signal is converted and sent to the background monitoring system 3 through the video encoder 15. The whole device supports the continuous video recording function before and after a specific event, which can assist system managers to improve the ability to respond to emergencies, and the built-in two-way audio The function allows real-time communication between the system administrator in the control center and the on-site engineer; 

The sensor group module 11 includes tilt sensors, infrared sensors, vibration sensors, anti-theft sensors, tension sensors, temperature and humidity sensors, wind speed sensors, and other types of sensors can also be added according to the site environment, so as to completely collect information around the high-voltage transmission line.

The circuit structure of the background monitoring system 3 is: the communication interface of the optical transceiver 18 is connected to the data communication network 2, and the output port of the optical transceiver 18 is connected to the monitoring computer 20 after the switch 19 is connected in series; the monitoring computer 20 is connected with a liquid crystal splicing curtain wall 21;

The above-mentioned monitoring computer 20 processes the high-voltage transmission line information sent by each front-end monitoring device 1, and can select and output the information of the required line through the LCD splicing curtain wall 21; the monitoring computer 20 can set the alarm thresholds of various online monitoring systems, and the system Real-time monitoring of whether the online monitoring data exceeds the threshold, and when the threshold is found to be exceeded, the abnormal alarm program is started; various monitoring systems have data collection cycles or time, when the monitoring system does not upload data within the specified time or the data is obviously abnormal , the system starts the abnormal alarm program; the system alarm adopts two methods: one is to pop up an alarm window in the system, with a text description and alarm sound; the other is to send a short message to the mobile phone of the relevant personnel.

The above embodiments of the utility model have been described in detail in conjunction with the accompanying drawings, but the utility model is not limited to the above-mentioned embodiments. Make various changes below.

Claims (3)

1. the long-range inspection tour system of extra high voltage network; Comprise: front end monitoring device (1), data communication network (2) and background monitoring system (3), the communication equipment of front end monitoring device (1) links to each other with background monitoring system (3) through data communication network (2); It is characterized in that: said front end monitoring device (1) comprises built-in unit (4) and base station equipment (5), and built-in unit (4) is installed on the high voltage transmission line, and base station equipment (5) is installed on the high-voltage transmission line towers;

The circuit structure of said built-in unit (4) is: the power end of range cells (6), flow measurement unit (7) and temperature measuring unit (8) all links to each other with high-energy rechargeable battery (9), and the signal output part of said range cells (6), flow measurement unit (7) and temperature measuring unit (8) all links to each other with microwave communication transmitter module (10);

The circuit structure of said base station equipment (5) is: the power end of sensor groups module (11), data integration module (12), communication module (13), camera (14) and video encoder (15) all links to each other with power module (16); The signal output part of sensor groups module (11) links to each other with the input port of data integration module (12); The output port of data integration module (12) links to each other with the input port of communication module (13); Data integration module (12) is connected with microwave communication receiver module (17); The output of said camera (14) links to each other with the input of video encoder (15), and the output of said video encoder (15) links to each other with the input port of communication module (13);

Said microwave communication transmitter module (10) links to each other with microwave communication receiver module (17) through radio frequency network;

Said communication module (13) is the communication equipment of front end monitoring device (1).

2. the long-range inspection tour system of extra high voltage network according to claim 1; It is characterized in that: the circuit structure of said background monitoring system (3) is: the communication interface of optical transceiver (18) links to each other with data communication network (2); Output port serial connection switch (19) back of said optical transceiver (18) links to each other with supervisory control comuter (20), and said supervisory control comuter (20) is connected with liquid crystal-spliced curtain wall (21).

3. the long-range inspection tour system of extra high voltage network according to claim 1 and 2 is characterized in that: said sensor groups module (11) comprises inclination sensor, infrared sensor, vibrating sensor, theft-proof sensor, pulling force sensor, Temperature Humidity Sensor, air velocity transducer.

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