CN105704427A - Intelligent video monitoring system for high-voltage power transmission line - Google Patents

Abstract

The invention provides an intelligent video monitoring system for high-voltage transmission lines. It adopts a distributed intelligent system architecture and consists of an intelligent front end and an intelligent back end. The intelligent front end implements complex and efficient embedded image processing and video recognition algorithms built in On-site video images and local real-time processing. When the front-end does not detect any abnormalities on the site, it only reports inspection messages to the monitoring center. When the intelligent front-end detects on-site abnormalities, the front-end immediately compresses the video stream to the intelligent back-end located in the monitoring center. , the intelligent backend uses processors and recognition algorithms to recognize complex behaviors of received videos, and immediately activates the set emergency warning processing device. The present invention is based on a distributed intelligent system architecture, has good scalability, can adapt to the system scale of various front-end numbers, realizes the minimization of communication flow, and realizes real all-weather unattended and intelligent monitoring.

Description

An Intelligent Video Monitoring System for High-Voltage Transmission Lines

technical field

The invention relates to the technical field of power transmission line monitoring equipment, in particular to an intelligent video monitoring system for high-voltage power transmission lines.

Background technique

The safe and stable operation of power transmission lines is crucial to safe production, so the real-time monitoring of power transmission lines is the top priority. Currently, the common video surveillance system on the market, its front subsystem is a camera, which is only responsible for video collection. The video is transmitted back to the screen of the monitoring center in a wireless or wired way, and then the staff is responsible for monitoring the screen, making judgments based on the changes on the screen, and notifying the relevant executive personnel to deal with it. With the rapid development of power grid technology, This kind of monitoring method can no longer meet the normal monitoring needs.

The invention with the application number 201210224506.1 discloses a transmission line video monitoring device with anti-theft alarm detection function, including a camera module installed at the monitoring point of the power supply line, the signal output end of the camera module is connected to the signal input end of the video processing module, and the video processing The signal output end of the module is connected to the signal input end of the controller, the signal output end of the controller is connected to the signal input end of the first wireless transceiver module, the signal output end of the second wireless transceiver module is connected to the monitoring room host, and the first wireless transceiver module Matched with the wireless communication of the second wireless transceiver module, the power supply module supplies power to the camera module, the video processing module and the first wireless transceiver module. In the present invention, a camera module and an anti-theft alarm module are arranged at the monitoring point of the power supply line. When a dangerous situation occurs, the host computer in the monitoring room sends an alarm signal and video through the wireless transceiver module, which can realize real-time video monitoring of the power transmission line and reduce the work of the line inspector. Strength, reduce the economic loss of enterprises, ensure normal power supply, simple structure, easy to implement.

The invention with application number 201010181059.7 relates to a wireless intelligent video monitoring system for transmission lines, including a network video monitoring management terminal, an intelligent video monitoring subsystem, a 3G mobile video terminal, and a communication network. The intelligent video monitoring subsystem includes a main control unit , a video acquisition and control unit, an alarm monitoring unit, and a camera. The alarm monitoring unit includes a voice warning device and a double infrared induction detector. When the double infrared induction detector detects that someone enters the monitoring area, the video acquisition and control unit will The on-site video information is sent to the main control unit. The main control unit analyzes the video information and judges whether an alarm is required according to the preset alarm range value. If so, the main control unit sends the alarm information to the network video surveillance management. The terminal, the network video surveillance management terminal distributes the alarm information to the 3G mobile video terminal through the communication network. Compared with the prior art, the present invention has the advantages of novel monitoring scheme and high alarm accuracy.

The utility model with the application number 201220444568.9 relates to the field of video surveillance, especially a real-time video surveillance device for power transmission lines, including: video acquisition module, video encoding module, main control management module, power supply module, communication module, pan-tilt controller, and monitoring center; The video acquisition module is connected with the video encoding module, the main control management module is connected with the video encoding module, the power supply module, the pan-tilt controller, and the communication module, and the communication module communicates with the monitoring center. The beneficial effect of the present invention is that: through the all-weather application of the real-time video monitoring system of the transmission line, the management department can timely discover hidden dangers caused by external forces that may affect the normal operation of the line, formulate a disposal plan, and quickly and effectively eliminate hidden dangers. Effectively achieve early prevention, early intervention, and prior control to ensure the safe and stable operation of transmission lines.

Contents of the invention

The purpose of the present invention is to provide an intelligent video monitoring system for high-voltage transmission lines, which adopts the principle of infrared thermal imaging for monitoring, identification and real-time display, with high measurement accuracy and good imaging effect. It can not only complete the automatic control of identification and display, but also Connect to data background, such as cloud database, to realize analysis and storage functions.

The technical solution adopted for realizing the purpose of the present invention is: an intelligent video monitoring system for high-voltage transmission lines, which adopts a distributed intelligent architecture, and is composed of an intelligent front end and an intelligent back end, and the two are connected through wireless; The intelligent front-end includes a monitor and a controller connected to each other, and is powered by a power module; the intelligent back-end is located in the monitoring center of the distribution network, and includes a server and a memory connected thereto.

Further, the intelligent front-end is connected to the intelligent back-end through an optical fiber.

The monitor includes an infrared thermal imager, a visible light camera and a multi-input video recorder connected to both, the controller includes a data acquisition card, the input of the data acquisition card is connected to the monitor, the The output end of the data acquisition card is connected with the server.

The server is a computer service terminal and a network database, and the computer service terminal is connected with a two-way network communication interface.

The infrared thermal imaging camera and the visible light camera are fixed with a preset pan/tilt, the pan/tilt is set on the top of the supporting bridge, the pan/tilt is provided with an outer protective cover, and the supporting bridge is set on the power transmission line tower.

An emergency LED lighting device and a temperature measuring device are arranged inside the outer protective cover, and the temperature measuring device includes a temperature sensor.

The server is connected to an on-site sound and light alarm device and a remote multimedia message alarm device, and the remote multimedia message alarm device includes a wireless GSM module.

The power module adopts mains power supply or photovoltaic power supply.

A large number of high-voltage transmission lines pass through cities and villages, and are disturbed by people's life and production activities. In particular, external force damage events such as construction machinery often occur, resulting in tripping of transmission and distribution lines and damage to related settings, which not only brought life and property damage to the units and individuals at that time The loss has also seriously affected the daily production of the power supply department, and the society has spread widely and the impact is bad.

The system of the present invention realizes remote connection with the monitoring center of the distribution network and cooperates with each other. The controller of the intelligent front end includes a data acquisition card, and realizes the localization of on-site video images and videos through built-in efficient embedded image processing and video recognition modules. Real-time processing, such as motion detection, target recognition and tracking, and full-time uninterrupted video monitoring of the site; when the intelligent front-end does not detect any abnormalities on the site, the front-end only reports to the monitoring center a message indicating that the inspection is normal; when the intelligent front-end When an abnormality is detected on-site, the front-end immediately compresses the video stream and transmits it to the intelligent back-end located in the monitoring center. The computer service terminal of the intelligent back-end uses its powerful computing power and high-voltage video recognition algorithm to perform complex behavior recognition on the received live video , when the back end recognizes an abnormality on site, it will immediately start the set emergency warning and alarm processing plan.

The benefits of the present invention are: based on the distributed intelligent system architecture, it has good scalability and adapts to the system scale of various front-end numbers; the intelligent front-end can minimize the number of communications, and achieve 24-hour unmanned in the true sense On-duty; the front-end software can be remotely and automatically updated, easy to maintain, and the working mode, imaging parameters and video stream parameters of the front-end can be set remotely; the communication mode of the front-end and back-end can be wireless or use a dedicated network fiber first; The system device can designate multiple key monitoring areas and multiple non-monitoring areas for each scene to meet the monitoring of key areas in complex backgrounds; the monitor adopts a high protection level design, which can meet harsh working conditions in the field; the back-end intelligence Linkage can realize on-site sound and light alarm and remote MMS alarm; target detection and tracking algorithm can be customized according to customer's on-site application requirements; front-end power supply can use mains power supply or photovoltaic power supply to realize complementary and uninterrupted power supply status. Therefore, the present invention is based on a distributed intelligent architecture, has good scalability, can adapt to the system scale of various front-end numbers, realizes the minimization of communication traffic, and achieves real all-weather unattended and intelligent monitoring.

Description of drawings

Fig. 1 is a structural diagram of the present invention.

Fig. 2 is a schematic diagram of the appearance of the present invention.

detailed description

Embodiment one

As shown in Figure 1 and Figure 2, an intelligent video surveillance system for high-voltage transmission lines adopts a distributed intelligent architecture and consists of an intelligent front-end and an intelligent back-end, which are connected wirelessly; the intelligent front-end includes mutual The connected monitor and controller are powered by the power module; the intelligent backend is located in the monitoring center of the distribution network, including the server and the storage 16 connected thereto.

The monitor includes an infrared thermal imager 1, a visible light camera 2 and a multi-channel input video recorder 3 connected to both, the controller includes a data acquisition card 4, the input end of the data acquisition card is connected with the monitor, and the output end of the data acquisition card Connected to the server; the server is a computer service terminal 5 and a network database 6, and the computer service terminal is connected to a two-way network communication interface 7; the infrared thermal imaging camera 1 and the visible light camera 2 are fixed by a preset pan/tilt 11, and the pan/tilt is set on a supporting bridge 12 At the top, the cloud platform is equipped with an outer protective cover 13, and the supporting bridge 12 is set on the transmission line tower; the outer protective cover is equipped with an emergency LED lighting device 14 and a temperature measuring device 15, and the temperature measuring device includes a temperature sensor; the server is connected to the on-site sound and light alarm The device 8 and the remote MMS alarm device 9, the remote MMS alarm device includes a wireless GSM module; the power supply module 10 adopts a mains power supply.

The system of the present invention realizes remote connection with the monitoring center of the distribution network and cooperates with each other. The system adopts a distributed intelligent system architecture, which is composed of an intelligent front end and an intelligent back end. The intelligent front end has built-in complex and efficient embedded image processing and video recognition. Algorithms to realize on-site video images and local real-time processing. When the front-end does not detect any abnormality on-site, it only reports inspection messages to the monitoring center. When the intelligent front-end detects on-site abnormalities, the front-end immediately compresses the video stream to the The intelligent backend uses processors and recognition algorithms to identify complex behaviors of the received video, and immediately activates the set emergency warning processing device.

In the embodiment, the core of the monitoring lies in the cooperation of the infrared thermal imager and the visible light camera, both of which are placed on the same preset pan/tilt. The image is imaged on the infrared detector, and then the detector sends the signal to the monitor of the monitoring center after the preamplifier and further amplification processing, which has the ability to see the details without being disturbed by light and shade. The thermal imager normally displays a darker gray scale corresponding to a lower scene temperature; in reverse display, a darker gray scale corresponds to a higher scene temperature. For surveillance purposes, by adding visible light cameras, a fusion technology of visible light and infrared images is proposed. Through image registration and data fusion, a synthetic image with enhanced focus content is obtained. This comprehensive infrared monitoring method is better than traditional analog images. , its digital mode has strong anti-interference ability and is not affected by transmission line signal attenuation and external interference. At the same time, relying on a relatively powerful computer server, it can be directly connected to the network between the databases. Make images more effective and real-time.

The intelligent front-end monitor of the present invention is set on the supporting bridge frame combined with the power transmission line tower, the preset pan platform is located at the top of the bridge frame, and the outer protective cover can be selected from hard tempered glass, so that on the one hand, the load bearing of the equipment is considered, On the other hand, it prevents interference and damage from external interference sources and ensures the safe operation of the instrument. The video recorder is located on the bridge body. The infrared thermal imager can realize non-stop, non-contact, fast and intuitive imaging of various details of the monitoring point, and the visible light camera can realize panoramic monitoring in the monitoring area, and can monitor synchronously with the infrared thermal imager under the control of the pan/tilt; The preset pan/tilt installs the infrared thermal imager and the high-magnification zoom visible light camera on the same platform, which can not only ensure the synchronization of the monitoring of the two cameras, but also solve the problem that the infrared thermal image is difficult to identify the overall scene, which is convenient for timely judgment and monitoring In order to gain valuable time for accurate judgment and take corresponding measures. Since the preset pan/tilt includes an infrared thermal imager and a visible light camera, the selection of the outer protective cover, on the one hand, considers the load bearing of the equipment, and on the other hand, prevents interference and damage from external interference sources to ensure the safe operation of the instrument. The platform is adjustable, and the staff of the remote monitoring center can input movement and steering commands into the cloud platform through the controller, which facilitates the setting and selection of multiple observation positions and is beneficial to the overall monitoring of the whole.

The video recorder adopts multi-channel input type, which can comprehensively reflect the image state, and the accuracy is relatively high. It is connected with the data acquisition card in the controller through optical fiber or wireless. The main function of the data acquisition card is to collect the image signal transmitted by the image unit. , collect image data, especially human body feature data, such as tissue and organ features, etc., and then send these data to the server; the server is a computer service terminal, and the terminal is equipped with a two-way network communication interface, and the data information is uploaded to the network database through the network interface, and Through the image processing program of the computer service terminal, the data information is compared and stored with the network database information, and displayed synchronously on the monitor. In this way, it is beneficial to classify and save the monitoring data of the whole process, and facilitate information archiving and analysis.

An emergency LED lighting device and a temperature measuring device are installed inside the outer protective cover. The emergency LED lighting device can make up for the lack of collecting surrounding light. The temperature measuring device includes a temperature sensor, which mainly monitors the status of the infrared monitoring device. , The temperature measuring device can sense abnormal heat, and ensure that the staff is notified quickly to take emergency measures in time.

The invention can help the perfusion physician to effectively grasp the details of the whole operation during the extracardiac operation, including the monitoring of the details of the operation and the monitoring of the operation panorama, with high measurement accuracy, good imaging effect, timely information feedback, and can pass through the server Realize the centralized comparison and classified storage of data, which is convenient for information database archiving and postoperative analysis, and can effectively avoid the occurrence of related medical accidents under the monitoring state, and provide guarantee for the life, health and safety of patients.

Embodiment two

An intelligent video surveillance system for high-voltage transmission lines, which adopts a distributed intelligent architecture and consists of an intelligent front-end and an intelligent back-end; the intelligent front-end includes interconnected monitors and controllers, powered by power modules; the intelligent back-end is located in The monitoring center of the distribution network, including the server and the memory connected to it; the difference from the first embodiment is that the intelligent front end and the intelligent back end are connected by optical fiber, and the electromagnetic wave interference from the outside can be prevented through the wired connection, so that the transmission more stable.

Embodiment Three

An intelligent video surveillance system for high-voltage transmission lines, which adopts a distributed intelligent architecture and consists of an intelligent front-end and an intelligent back-end; the intelligent front-end includes interconnected monitors and controllers, powered by power modules; the intelligent back-end is located in The monitoring center of the distribution network, including the server and the storage connected to it. The difference from Embodiment 1 and Embodiment 2 is that the power module 10 adopts photovoltaic power supply, and the power module at this time is provided with a solar panel and connected to a storage battery.

Claims (8)

1. the intelligent video monitoring system for ultra-high-tension power transmission line, it is characterised in that: adopt distributed intelligence architectural framework, be made up of intelligent front end and intelligence rear end, pass through wireless connections between the two；Described intelligent front end includes interconnective watch-dog and controller, power module power；Described intelligence rear end is positioned at the Surveillance center of power distribution network, including server and the memorizer that is attached thereto。

2. the intelligent video monitoring system for ultra-high-tension power transmission line as claimed in claim 1, it is characterised in that: it is connected by optical fiber between described intelligent front end with described intelligence rear end。

3. the intelligent video monitoring system for ultra-high-tension power transmission line as claimed in claim 1 or 2, it is characterized in that: described watch-dog includes thermal infrared imager, visible light camera and the multichannel input type videocorder being connected with both, described controller includes data collecting card, the input of described data collecting card is connected with described watch-dog, and the outfan of described data collecting card is connected with described server。

4. the intelligent video monitoring system for ultra-high-tension power transmission line as claimed in claim 1 or 2, it is characterised in that: described server is Computer Service terminal and network data base, and described Computer Service terminal connects two-way network communication interface。

5. the intelligent video monitoring system for ultra-high-tension power transmission line as claimed in claim 3, it is characterized in that: described thermal infrared imager and described visible light camera adopt presetting bit The Cloud Terrace to fix, described The Cloud Terrace is arranged at support gantry top, described The Cloud Terrace arranges outer protective cover, and described support crane span structure is arranged in transmission line tower。

6. the intelligent video monitoring system for ultra-high-tension power transmission line as claimed in claim 5, it is characterised in that: arranging emergency LED illuminator and temperature measuring equipment in described outer protective cover, described temperature measuring equipment includes temperature sensor。

7. the intelligent video monitoring system for ultra-high-tension power transmission line as claimed in claim 1 or 2, it is characterised in that: described server connects on-the-spot acoustic-optic alarm and long-range multimedia message alarm device, and described long-range multimedia message alarm device includes wireless gsm module。

8. the intelligent video monitoring system for ultra-high-tension power transmission line as claimed in claim 1 or 2, it is characterised in that: described power module adopts civil power supply source or photovoltaic supply source。