CN103426267A - Video safety fence system based on video analysis technology - Google Patents

Abstract

The present invention discloses a video safety fence system based on a video analysis technology. The video safety fence system based on the video analysis technology comprises a plurality of first-class digital cameras arranged in a transformer substation according to the preset positions and heights and used for dividing the transformer substation into different video acquisition regions from the space; a station-terminal processing unit connected with the digital image signal output ends of the first-class digital cameras; an alarm unit of which the input end is connected with the station-terminal processing unit, wherein the station-terminal processing unit controls the alarm unit to work based on the digital image signal analysis results of the different video acquisition regions. The video safety fence system based on the video analysis technology of the present invention has the advantages of comprehensive protection, good warning effect and convenient installation.

Description

A kind of video safe fence system based on Video Analysis Technology

Technical field

The present invention relates to the safety protection technique of transformer station, be specifically related to a kind of video safe fence system based on Video Analysis Technology.

Background technology

In order to guarantee the normal operation of transformer station, generally need the some safety protection facilities of configuration in transformer station.These safety protection facilities, for preventing that exterior object or personnel from entering into charging zone or hazardous location, are avoided occurring to get an electric shock or the damage equipment situation.

Common safety protecting method comprises traditional maintenance fence and traditional fence etc.

The maintenance fence is for when transformer station's part interruption maintenance, and near not power failure equipments repair apparatus will install additional temporarily blocks, and charging equipment and repair apparatus are separated, and blocks temporarily and will keep certain safe distance with live part.Block while entering charging zone if the people moves temporarily, lean on the monitoring personnel find and prevent, when the monitoring personnel not or task is more or duration when nervous, usually can lose the generation that monitoring causes the accident, shortcoming is more outstanding.Maintenance is simultaneously blocked in the time of can't finding and prevent that main equipment (as crane) equal altitudes from not meeting the demands, occur crossing closely and the accident occurred with charging equipment, and can't find and prevent that main equipment (as arm of crane or goods) from being pushed up the accident that approaches charging equipment downwards and occur by equipment.

Existing fence is to utilize the infrared ray of the infrared transmitting device emission of battery limits surrounding through ovennodulation, and an infrared receiving device is placed in position in contrast, and this signal is converted to electric signal, is sent to its system management machine after suitable processing.Under normal operating mode, Infrared can be sent and receive to a plurality of fixing electronics stakes relatively, infrared light beam to sending out blockade line together with receipts have been formed, a plurality of infrared light beams have just formed the electronics regions of a sealing, when having the people to pass through or during the object blocks infrared ray, infrared signal is interrupted, and the system management machine will give audible alarm and light alarm immediately.So just reaching the purpose that prevents mistakenly entering charged chamber.The definite of this system is between each electronics stake, must be that straight line connects, be difficult to adapt to complicated work-yard, owing to there being a large amount of electronics stakes to be arranged in around work-yard, when being arranged, large-scale work (such as needs, entering crane) can affect putting of equipment, use inconvenience, dumb, will lay more cable simultaneously.Due to the electronics stake once installing, its infrared light beam supervision height and width are just definite, monitor that for infrared light beam height and width range pass through and can't find outward, can't find during by aerial turnover as large-scale crane etc., namely can't the warning of inlet wire limit for height.

Tradition transformer station's fence or traditional station block and can only play the maintenance zone and deployed troops on garrison duty facing up by ground with charging zone, to boring more and crossing over and can't find also there is no the onsite alarming prompt facility, can not play comprehensively safety custody effect in real time.

Summary of the invention

Because traditional maintenance fence and existing fence have its more unsurmountable shortcomings, simultaneously it is deployed troops on garrison duty, withdraws a garrison and needs a large amount of artificial, therefore in order to overcome the problems referred to above, the invention provides a kind ofly protect comprehensively, good warning effect, the video safe fence system based on Video Analysis Technology easy for installation.

The present invention is that the technical scheme that its technical matters of solution adopts is:

A kind of video safe fence system based on Video Analysis Technology comprises: some first kind digital cameras, and first kind digital camera is according to default position and highly be arranged in transformer station, transformer station is divided into to different video collection area from space; Stand and hold processing unit, the digital image signal output terminal of first kind digital camera is connected with station end processing unit, stand the end processing unit for the default different alarm rule of different video collection area, the end processing unit of standing is analyzed digital image signal, the target that enters video collection area is identified and followed the tracks of, judged whether target violates default alarm rule; Alarm unit, the input end of alarm unit is connected with station end processing unit, the digital image signal analysis result of the video collection area of end processing unit based on different of standing is controlled alarm unit work, while having occurred violating the behavior of default alarm rule in certain video collection area, the end processing unit of standing is controlled alarm unit and is sent warning.

Preferably, video safe fence system also comprises for Equations of The Second Kind numeral video camera that power equipment bin equipment is made a video recording, the digital image signal output terminal of Equations of The Second Kind numeral video camera is connected with station end processing unit, the end processing unit of standing is analyzed digital image signal, the open and-shut mode of judgement power equipment bin, when the power equipment bin is illegally opened, the end processing unit of standing is controlled alarm unit and is sent warning.

Preferably, the end processing unit of standing is provided with communication controler, and the end processing unit of standing is connected with PERCOM peripheral communication by communication controler.

Preferably, the end processing unit mode that the target that enters video collection area is identified of standing is classified to the two-dimensional space distribution characteristics of video collection area pixel value.

Preferably, the end processing unit mode that the target that enters video collection area is followed the tracks of of standing is classified to video collection area variation characteristic of two frames or multiframe in video sequence.

The invention has the beneficial effects as follows: video safe fence system of the present invention realizes the Security alert task of full visible space by the mode of digital camera, solve " crossing the border in space " problem that other electronic enclosure system can't prevent, made up the problem of crossing the border due to artificial monitoring appearance not in place; Can follow the tracks of large-scale maintenance vehicle, and set up the safe electronic fence around it, prevent in real time the injury that its radius of clean-up causes personnel; Its station end processing unit can be connected with management systems such as work ticket and operation orders, according to action, automatically starts the video safe electronic fence preset, and the energy overall process monitors, the writing task process, is convenient to analytic statistics afterwards; Do not need to carry out complicated hardware and add or transform, do not need to coordinate with infrared, laser, sensor equipment, the advantage of small investment instant effect is arranged.When further being provided with communication controler, can be used in conjunction with supervisory system, automated system, operation ticket system etc., realize automatically by working range and content, being deployed troops on garrison duty and withdrawing a garrison in the scope of full station.

The accompanying drawing explanation

Below in conjunction with the drawings and specific embodiments, be further detailed:

The schematic diagram of deploying troops on garrison duty that Fig. 1 is the first Application Example of the present invention;

Fig. 2 is the deploy troops on garrison duty schematic diagram of the second Application Example of the present invention on vertical space;

Fig. 3 is the deploy troops on garrison duty schematic diagram of the third Application Example of the present invention on vertical space;

Fig. 4 is the deploy troops on garrison duty schematic diagram of the 4th kind of Application Example of the present invention on power equipment.

Embodiment

The present invention is based on Video Analysis Technology and set up, it mainly comprises first kind digital camera, stand end processing unit, alarm unit, can further include Equations of The Second Kind numeral video camera etc.Above-mentioned first kind digital camera and the just difference to some extent on concrete monitored object of Equations of The Second Kind numeral video camera, can utilize in fact same video camera to realize.Wherein first kind digital camera according to default position with highly be arranged in transformer station, is divided into transformer station different video collection area from space, during division, generally needs to coordinate the analytic system of station end processing unit to be configured; Equations of The Second Kind numeral video camera is for the power equipment bin is made a video recording to judge its open and-shut mode, its generally be arranged on the power equipment bin near.

Principle of the present invention is transformer station to be divided into to different video collection area from space, utilize digital camera to carry out video monitoring to these video collection area, the digital image signal of monitoring gained is sent into station end alarm unit and is carried out analyzing and processing, the end alarm unit of standing is controlled alarm unit and is realized scene or remote alarms, for example, when finding that unidentified personnel enter into non-security zone, the end alarm unit of standing can send safety warning by alarm unit.

The Video Analysis Technology that the end alarm unit of standing adopts can adopt at present the technology of widespread use to realize, this technology is on airport, bank, electric power, oil field/mining area, public security/prison/army, bridge/harbour/customs, megastore/supermarket/exhibition, community/school, application to some extent in the security system in the fields such as museum/memorial museum, its main application comprises target identification, target following, intrusion alarm, legacy detects, the state of Intelligent Recognition people or thing, abandon detects, take identification away, scene changes identification, be detained identification, event count, the gate inhibition trails warning, reversely pass through warning etc.

Particularly, Video Analysis Technology mainly comprises the identification of tracking, target of the detection of moving target and extraction, moving target and behavior understanding etc.Realizing on the basis of moving object detection, in conjunction with the target following in later stage and classification, the behavioral analysis technology of target, thereby realizing the video analysis function that discrimination is higher.Moving object classification method based on video has three classes on the whole: the classification of the classification of based target static nature, based target motion feature and the combination of two kinds of methods.The sorting technique of based target feature utilizes the two-dimensional space distribution characteristics of motion target area pixel value to be classified; The classification of based target motion feature is paid close attention to motion target area variation characteristic of two frames or multiframe in video sequence and is classified.

The unified processing platform that station of the present invention end processing unit is system, mainly realize the functions such as video, voice and environmental information are processed in real time, transmitted, control, storage; Hardware device mainly comprises communication controler, storage unit etc.The end processing unit of standing utilizes communication controler and outside to carry out telecommunication.Utilize, by carrying out network configuration, remote parties can also directly conduct interviews to native system by the mode of accessing certain IP address.

The embodiment of Fig. 1 is a kind of common mode of deploying troops on garrison duty between horizontal zone, it is divided into middle area part the safety zone of maintenance use as required, other parts are charging zones, divide generally and coordinate the software Configuration according to the shooting angle of different digital cameras and the difference of shooting area, for example, what digital camera was taken is fixing picture, when analyzing, certain specific picture part is defined as to safety zone, and part in addition is defined as charging zone.Fig. 2 and Fig. 3 are the common modes of deploying troops on garrison duty between vertical area, its according to converting equipment the distribution on vertical height determine limit for height warning line, limit for width police circles' line etc., the setting height(from bottom) of digital camera is also determined based on this.Fig. 4 is the mode of deploying troops on garrison duty for the power equipment bin, and there is larger difference in the image of opening when closing due to the door-plate of bin, therefore, by analyzing the difference of image information, just can be monitored the open and-shut mode of bin.

The work that arranges of charging zone, work safety zone, limit for height warning line, limit for width police circles' line completes, after all warning lines, warning region and combination warning rule preset in by the scene at corresponding video camera on the end processing unit client software of station, once the behavior of predefine rule has appearred violating in target in scene, system can be sent warning automatically, and the user can take corresponding measure according to warning.

When personnel or article mistakenly entering into charged zone are arranged, the digital picture of associated scenario in the transformer station that the end processing unit analysis video camera of standing absorbs, automatically detect people or the equipment in judgement identification mistakenly entering into charged zone, and provide at the scene directly clear and definite audio alert cue, in the power transformation pulpit and office's dispatching terminal provide and enter the audio alert cue that the charging zone event occurs.Notice mistakenly entering into charged area people and related personnel are as other members of shift or guardian etc., and timely and effective Accident prevention occurs.

After having the operating crew to enter perform region, in the transformer station of the end processing unit analysis video camera picked-up of standing, the digital picture of associated scenario, automatically detect judgement and identify and follow the tracks of the people in perform region.When occurring that the operating crew is less than or during more than predefined quantity, system can automatically be sent prompting and report to the police, the prompting field personnel is very few may be lost monitoring and please quit work or have the personnel of inoperative class to enter please to withdraw scene; Before end-of-job, within the predetermined time, system can automatically be sent prompting and report to the police, and the prompting field personnel cleans and withdraw scene, as found that there is, object is reserved also can send cue.

After having maintenance vehicle meeting main equipment, instrument etc. to enter perform region, the digital picture of associated scenario in the transformer station of the end processing unit analysis video camera picked-up of standing, vehicle, equipment or the instrument in perform region identified and followed the tracks of in the detection judgement automatically.When occurring jeopardizing the person, device security, in the time, Danger Electric shock risk etc. maybe may occur presets dangerous situation and occurs, system can automatically be sent prompting and report to the police, and prompting field personnel personnel and related personnel are as other members of shift or guardian etc., and timely and effective Accident prevention occurs.

According to the difference of operation, maintenance and daily servicing, relevant device screen door, cabinet door and relevant terminal chamber door can be set whether by the unplanned police circles' of opening line.As the system discovery door can be sent prompting automatically by unplanned unlatching, report to the police, the prompting field personnel opens by mistake appliance doors, and the accidents such as maloperation, electric shock that prevent in time occur.

The setting of warning line, warning region and correlation time during maintenance, dropping into and exit, can be to preset in advance, also can not coexist before work and complete setting according to the maintenance interval, and this warning line, warning region can be comprised of many straight lines or curve.System can be set respectively warning line or warning region according to one or the digital signal of overlapping digital camera acquisition more, completes the setting of complex situations.

Embodiments of the present invention are not restricted to the described embodiments, as long as it reaches technique effect of the present invention with essentially identical means, all should belong to protection scope of the present invention.

Claims (5)

1. the video safe fence system based on Video Analysis Technology is characterized in that comprising:

Some first kind digital cameras, first kind digital camera is according to default position and highly be arranged in transformer station, transformer station is divided into to different video collection area from space;

Stand and hold processing unit, the digital image signal output terminal of first kind digital camera is connected with station end processing unit, stand the end processing unit for the default different alarm rule of different video collection area, the end processing unit of standing is analyzed digital image signal, the target that enters video collection area is identified and followed the tracks of, judged whether target violates default alarm rule;

Alarm unit, the input end of alarm unit is connected with station end processing unit, the digital image signal analysis result of the video collection area of end processing unit based on different of standing is controlled alarm unit work, while having occurred violating the behavior of default alarm rule in certain video collection area, the end processing unit of standing is controlled alarm unit and is sent warning.

2. a kind of video safe fence system based on Video Analysis Technology according to claim 1, characterized by further comprising for Equations of The Second Kind numeral video camera that power equipment bin equipment is made a video recording, the digital image signal output terminal of Equations of The Second Kind numeral video camera is connected with station end processing unit, the end processing unit of standing is analyzed digital image signal, the open and-shut mode of judgement power equipment bin, when the power equipment bin is illegally opened, the end processing unit of standing is controlled alarm unit and is sent warning.

3. a kind of video safe fence system based on Video Analysis Technology according to claim 1, is characterized in that station end processing unit is provided with communication controler, and the end processing unit of standing is connected with PERCOM peripheral communication by communication controler.

4. a kind of video safe fence system based on Video Analysis Technology according to claim 1, is characterized in that the mode that station end processing unit is identified the target that enters video collection area is classified to the two-dimensional space distribution characteristics of video collection area pixel value.

5. a kind of video safe fence system based on Video Analysis Technology according to claim 1, is characterized in that mode that station end processing unit is followed the tracks of the target that enters video collection area is classified to video collection area variation characteristic of two frames or multiframe in video sequence.

Images