CN105527907B - A kind of energy-saving control method and energy-saving control device for video monitoring system - Google Patents

A kind of energy-saving control method and energy-saving control device for video monitoring system Download PDF

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Publication number
CN105527907B
CN105527907B CN201410521816.9A CN201410521816A CN105527907B CN 105527907 B CN105527907 B CN 105527907B CN 201410521816 A CN201410521816 A CN 201410521816A CN 105527907 B CN105527907 B CN 105527907B
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video
control
video camera
control unit
headlamp
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CN201410521816.9A
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Chinese (zh)
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CN105527907A (en
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孙健
胡勇
管海敏
张东昕
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宝山钢铁股份有限公司
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

A kind of energy-saving control method and energy-saving control device for video monitoring system, belongs to Energy Saving Control field.It is only provided working power to selected video camera and its corresponding headlamp, for non-selected video camera and its corresponding headlamp, is only provided standby power and be at soft closed mode by the cooperation of first control unit and the second control unit;On the premise of field monitoring image is observed without prejudice to monitoring client display, using the Starting mode of silicon control zero-cross trigger circuit, prevent equipment failure caused by traditional approach startup and/or the failure of miscellaneous equipment is disturbed by power grid, so as to be truly realized " its most use of electricity; distribution according to need ", realize and save energy consumption and extend video camera, the final purpose of lighting device service life.It can be widely used for the design and manufacturing field of video monitoring apparatus.

Description

A kind of energy-saving control method and energy-saving control device for video monitoring system

Technical field

The invention belongs to Energy Saving Control field, more particularly to a kind of energy-saving control method and section for video monitoring system Can control device.

Background technology

At present, application of the industrial television monitoring system in industrial and mining enterprises is extremely popularized, and is provided for enterprise production process Effective real time monitoring means.

The basic composition of common closed-circuit TV system is by equipment such as image pick-up device, monitor, control system, transmission lines Composition, its system architecture form as shown in Figure 1, have in practical applications " 1 pair 1 " (1 video camera connects 1 monitor), " more than 1 pair " (1 video camera connects multiple monitors), " the system architecture side such as multipair 1 " (multiple cameras connects 1 monitor) Formula.It is therein that " application of multipair 1 " mode, which is primarily referred to as in-site installation, has multiple video cameras respectively to pass signal by transmission line The video switcher input terminal of operating room is transported to, then again from the output terminal transmission signal of video distributor to monitor.

In existing closed-circuit TV system, when carrying out the handover operation of actual monitored picture, production operation personnel pass through Selection key selection on control video switcher needs the monitored picture watched.And watching the monitoring picture in production operation personnel When face, other closed-circuit TV systems (including image pick-up device and corresponding headlamp etc.) are still within working status, shooting Electric energy needed for machine and headlamp is constantly consuming, its equipment is in continuous aging.

Authorized announcement date is on 04 20th, 2011, and Authorization Notice No. is that the Chinese utility model of CN 201805589U is special Profit, discloses a kind of " the illumination dimming energy-saving system based on video monitoring ", it includes video monitoring camera, the preposition control in region Device, intelligent dimming main controller, dimming power source driver and headlamp processed, it is characterized in that the preposition controller in the region and monitoring are counted Calculation machine connects intelligent dimming main controller respectively, and the preposition controller in region is also respectively connected with video monitoring camera and dimming power source drives Dynamic device, dimming power source driver connection headlamp.It gathers the presence states of monitoring area by using video monitoring camera Information, carries out brightness adjustment control to controlled area headlamp automatically, at dead of night or on remote highway can be certainly without the vehicles or pedestrians period It is dynamic reduce brightness of illumination and realize it is energy saving, suitable for urban road and highway tunnel illumination Energy Saving Control.The technical solution is main It is to provide a kind of means with an automatic light meter for headlamp, and can not be to the work of different electrical power switching signal in video monitoring system Make state and monitor demand to realize personalized Energy Saving Control, and need to extract the illuminance in vision signal carry out it is light-operated, firmly Part circuit devcie is more, complex software, and cost is high, is used in industrial illuminance complex environment, the reliability of its work can not carry It is high.

The content of the invention

The technical problems to be solved by the invention are to provide a kind of energy-saving control method and section for video monitoring system Energy control device, it uses the Closed loop Control of current detecting load characteristic, and video is supervised according to the change of monitoring demand The working status of different electrical power switching signal switches in control system, realizes Energy Saving Control, is ensuring video monitoring system just On the premise of normal use, the consumption of electric energy needed for video camera and headlamp is not only reduced, avoids the waste of the energy;At the same time again It substantially prolongs the service life of the equipment such as video camera and headlamp.

The technical scheme is that:A kind of energy-saving control method for video system is provided, the video prison described in it Control system includes the more video cameras for being used to shoot each monitoring site image, the picture signal output of each video camera End, by matched video distributor, is transmitted separately to the correspondence video signal input terminal of a video switcher, described Video switcher video signal output, the video signal input terminal pair with a display being arranged in main operation room It should connect;By switching of the video switcher to each camera video signal, the display receives each respectively The video signal of video camera;At each video camera, it is respectively arranged with and provides corresponding monitoring now for the video camera The headlamp of field illumination;It is characterized in that the energy-saving control method includes:

1) first control unit is set in main operation room, for providing each video camera and display for producers The switching selection of video signal between device;

2) live Electric Appliance Cabinet or the dedicated video systems electrical control of power supply are being provided for each video camera and headlamp One the second control unit is set in case, for control camera power supply and lighting lamp power open/break and holding state operates;

3) in the live Electric Appliance Cabinet or dedicated video systems electric control box AC power and each video camera and Between the power input of headlamp, a silicon control zero-cross trigger circuit is correspondingly arranged respectively, for controlling each shooting Machine and headlamp working power it is logical/standby/disconnected;

4) in first control unit, according to the handover operation of producers, gather selected video camera and compile Number;

5) selected camera number is transmitted to second control unit by the first control unit described in;

6) for selected video camera and its corresponding headlamp, second control unit output control machines Signal, is selected video camera and its corresponding illumination by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Lamp provides the AC power by digital quantization so that selected video camera and its corresponding headlamp normal work;

7) for non-selected video camera and its corresponding headlamp, second control unit output is silicon-controlled to touch Signal, be selected video camera and its corresponding photograph by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Bright lamp provides the micro-current AC power by digital quantization, and by being attempted by the protective condenser at silicon-controlled both ends, for not Selected video camera and its corresponding headlamp provide standby AC power so that selected video camera and its corresponding photograph Bright lamp is in holding state;

8) by the cooperation of first control unit and the second control unit, only to selected video camera and its correspondence Headlamp working power is provided, for non-selected video camera and its corresponding headlamp, only providing a standby power makes it In soft closed mode;

9) on the premise of field monitoring image is observed without prejudice to monitoring client display, using silicon control zero-cross trigger circuit Starting mode, prevent traditional approach start caused by equipment failure and/or by power grid disturb miscellaneous equipment failure so that " electricity its use to the greatest extent, distribution according to need " is truly realized, is realized and is saved energy consumption and extend video camera, lighting device service life Final purpose.

Further, in the power input of each video camera and/or headlamp, a Hall is set respectively Current sensor and spot sampling circuit, video camera corresponding to Hall current sensor detection and/or headlamp input The numerical value or size of power supply, and by the video camera detected by it and/or the numerical value or size of headlamp input power, by existing Second control unit is fed back to after quarry sampling is circuitry digitizing, for forming negative feedback current control closed loop.

The first control unit described in it includes at least the first master cpu circuit, key scanning circuit, automatic control signal Input circuit, function button, video switcher, wherein, the function button is through key scanning circuit and the first master cpu electricity The I/O ends on road correspond to connection, I/ of the video switcher through automatic control signal input circuit and the first master cpu circuit O ends correspond to connection.

The second control unit described in it includes at least the second master cpu circuit, D/A conversion circuits, AC power and can Silicon zero-cross triggering circuit is controlled, wherein the I/O ends of the second master cpu circuit are triggered through D/A conversion circuits and silicon control zero-cross The control terminal connection of circuit, the silicon control zero-cross trigger circuit are serially connected in the AC power and each video camera/photograph Between the power input of bright lamp.

Between first control unit and the second control unit, by the one 485 communication interface circuit, the first light Electric isolating circuit, the second photoelectric isolating circuit, the 3rd 485 communication interface circuit and positioned at the first photoelectric isolating circuit and the second light Three core communication cables between electric isolating circuit, realize that two-way communication is transmitted, and thereby extend communication distance, reduction length to realize The purpose of electromagnetic interference during distance communication.

Further, the input in the silicon control zero-cross trigger circuit, between output terminal, and be connected to magnetic keep after The normal opened contact of electric appliance;The normal opened contact of the magnetic latching relay is in " normally closed " on-state when control system powers off, When first control unit or the second control unit equipment are out of order, the normal opened contact of the magnetic latching relay " closes Close ", the input power of each video camera and/or headlamp is forcibly turned on, is at non-power save mode, to ensure original video The normal work of system, avoid because a certain partial circuit in first control unit or the second control unit be out of order when, Influence the normal work of original video monitoring system.

The first control unit described in it is also connected through the 2nd 485 communication interface circuit with PC machine, by the PC connected Machine, realizes and storage data, each road load output of adjustment, fault alarm, logout and work shape is carried out to whole video system The management function of state adjustment.

Its automatic control signal input circuit, the level at the running LED end by reading each video camera Just, vision signal is automatically selected to realize, plays the function of automatic video frequency switching.

Present invention also offers a kind of energy-saving control device for video monitoring system, it is characterised in that:

The energy-saving control device includes the first control unit in setting main operation room and sets Electric Appliance Cabinet at the scene Or the second control unit in dedicated video systems electric control box, wherein, first control unit is used for for production people Member provides the switching selection of each video signal between video camera and display, second control unit, by dividing The silicon control zero-cross trigger circuit not being arranged between AC power and each video camera and the power input of headlamp, control Camera power supply and lighting lamp power processed open/break and holding state operation;

The first control unit described in it gathers selected camera number according to the handover operation of producers, and Selected camera number is transmitted to second control unit;

For selected video camera and its corresponding headlamp, second control unit output control machines letter Number, it is selected video camera and its corresponding headlamp by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit There is provided the AC power by digital quantization so that selected video camera and its corresponding headlamp normal work;

For non-selected video camera and its corresponding headlamp, second control unit output control machines Signal, is selected video camera and its corresponding illumination by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Lamp provides the micro-current AC power by digital quantization, and by being attempted by the protective condenser at silicon-controlled both ends, for not by The video camera of selection and its corresponding headlamp provide standby AC power so that selected video camera and its corresponding illumination Lamp is in holding state;

The energy-saving control device is by the cooperation of first control unit and the second control unit, only to selected The video camera selected and its corresponding headlamp provide working power, for non-selected video camera and its corresponding headlamp, Standby power is only provided and is at soft closed mode;

The energy-saving control device without prejudice to monitoring client display on the premise of field monitoring image is observed, using can The Starting mode of silicon zero-cross triggering circuit is controlled, equipment failure caused by traditional approach startup is prevented and/or it is disturbed by power grid The failure of its equipment, so as to be truly realized " electricity its use to the greatest extent, distribution according to need ", realizes and saves energy consumption and extend video camera, shine The final purpose of bright lamp service life of equipment.

Further, in the power input of each video camera and/or headlamp, a Hall is set respectively Current sensor and spot sampling circuit, video camera corresponding to Hall current sensor detection and/or headlamp input The numerical value or size of power supply, and by the video camera detected by it and/or the numerical value or size of headlamp input power, by existing Second control unit is fed back to after quarry sampling is circuitry digitizing, for forming negative feedback current control closed loop.

Further, the first control unit described in it is also connected with PC machine, by the PC machine connected, is realized to whole Video system carries out storage data, each road load output of adjustment, fault alarm, logout and the management work(of working status adjustment Energy.

Further, the input in the silicon control zero-cross trigger circuit, between output terminal, and be connected to magnetic keep after The normal opened contact of electric appliance;The normal opened contact of the magnetic latching relay is in " normally closed " on-state when control system powers off, When first control unit or the second control unit equipment are out of order, the normal opened contact of the magnetic latching relay " closes Close ", the input power of each video camera and/or headlamp is forcibly turned on, is at non-power save mode, to ensure original video The normal work of system, avoid because a certain partial circuit in first control unit or the second control unit be out of order when, Influence the normal work of original video monitoring system.

Compared with the prior art, it is an advantage of the invention that:

1st, magnetic latching relay has been used, system power has not been consumed after magnetic latching relay action, belongs to power down switch Green product;

2nd, two ends of silicon control zero-cross trigger circuit are provided with protection stand-by circuit, you can absorb the height at silicon-controlled two end Frequency pulse but can, exciter lamp filament standby for video camera preheating small standby current is provided, silicon-controlled member can be effectively protected Device and load circuit.

3rd, zero cross fired ghyristor circuit is controlled using software, effectively prevents ghyristor circuit and external circuit is done Disturb, easy to adjust, circuit is reliable;And standby, commissioning in PC machine or each element circuit of microcontroller preservation can most preferably it join Number;

4th, data processing is carried out by software in master cpu, can be preserved in the state of automatic detection in PC machine or MCU Each element circuit is standby, the optimal parameter of commissioning, and good human-computer interaction interface is provided to quantify application.

Brief description of the drawings

Fig. 1 is the modular structure schematic diagram of existing closed-circuit TV system;

Fig. 2 is the improved closed-circuit TV system modular structure schematic diagram of the present invention;

Fig. 3 is the operation principle block diagram of technical solution of the present invention energy-saving control device;

Fig. 4 is the electrical schematic diagram of the first control unit of energy-saving control device part of the present invention;

Fig. 5 is the electrical schematic diagram of the second control unit of energy-saving control device part of the present invention.

1 is the first control unit in figure, and 2 be the second control unit, and 3 be the first master cpu circuit, and 4 be the one 485 communication Interface circuit, 5 be key scanning circuit, and 6 be automatic control signal input circuit, and 7 be function button, and 8 be video switcher, 9 It is the 2nd 485 communication interface circuit for PC machine, 10,11 be the first photoelectric isolating circuit, and 12 be 3 core communication cables, and 13 be second Master cpu circuit, 14 be the 3rd 485 communication interface circuit, and 15 be D/A conversion circuits, and 16 be A/D conversion circuits, and 17 be exchange Power supply, 18 be protection stand-by circuit, and 19 be zero passage detection synchronous circuit, and 20 be signalc threshold control circuit, and 21 be trigger circuit, 22 be ghyristor circuit, magnetic maintained switch, and 23 filter match circuit for signal, and 24 be sampled signal AC/DC circuits, and 25 be isolation Circuit, 26 be current sampling circuit, and 27 be digital quantization ac output end, and 28 be alternating current input power supplying, 29 for the second photoelectricity every From circuit, 30 be field camera or headlamp.

Embodiment

The present invention will be further described with reference to the accompanying drawings and examples.

In Fig. 2, technical scheme provides a kind of energy-saving control device for video monitoring system, is producing Needed for personnel selection when monitor video signal, after the energy-saving control device of video monitoring system receives the signal, by life The power supply opening of the corresponding video camera of vision signal selected by production personnel and headlamp, while it is not in regarding for monitored picture by other Frequently the power supply of corresponding video camera and headlamp controls special circuit to realize soft closing and startup by CPU, effective to ensure to set It is standby to be transferred to quick startup from holding state, image is observed without prejudice to monitoring client, as a result of zero-cross triggering circuit Starting mode, It can prevent equipment failure caused by traditional approach startup from passing through power grid and disturbing the failures such as miscellaneous equipment.Be truly realized " electricity its use to the greatest extent, Distribution according to need ", realizes the final purpose saved energy consumption and extend service life of equipment.

In Fig. 3, the energy-saving control device described in technical solution of the present invention includes setting the first control in main operation room single Member 1 and the second control unit 2 in Electric Appliance Cabinet or dedicated video systems electric control box at the scene is set, wherein, described the One control unit is used for the switching selection that each video signal between video camera and display is provided for producers, described The second control unit, by being separately positioned between AC power and each video camera and the power input of headlamp Silicon control zero-cross trigger circuit, control camera power supply and lighting lamp power open/break and holding state operates.

The first control unit described in it gathers selected camera number according to the handover operation of producers, and Selected camera number is transmitted to second control unit.

For selected video camera and its corresponding headlamp, second control unit output control machines letter Number, it is selected video camera and its corresponding headlamp by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit There is provided the AC power by digital quantization so that selected video camera and its corresponding headlamp normal work;

For non-selected video camera and its corresponding headlamp, second control unit is controllable by exporting Silicon trigger signal, is selected video camera and its correspondence by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Headlamp provide by digital quantization micro-current AC power while, by the protection capacitance for being attempted by silicon-controlled both ends Device, standby AC power is provided for non-selected video camera and its corresponding headlamp so that selected video camera and its Corresponding headlamp is in holding state;

The energy-saving control device is by the cooperation of first control unit and the second control unit, only to selected The video camera selected and its corresponding headlamp provide working power, for non-selected video camera and its corresponding headlamp, Standby power is only provided and is at soft closed mode;

The energy-saving control device without prejudice to monitoring client display on the premise of field monitoring image is observed, using can The Starting mode of silicon zero-cross triggering circuit is controlled, equipment failure caused by traditional approach startup is prevented and/or it is disturbed by power grid The failure of its equipment, so as to be truly realized " electricity its use to the greatest extent, distribution according to need ", realizes and saves energy consumption and extend video camera, shine The final purpose of bright lamp service life of equipment.

The course of work of energy saver as depicted is as follows:

Whole energy conserving system is made of the first control unit 1 and 2 two part of the second control unit, the installation of the first control unit In operating room, the second control unit is installed in Electric Appliance Cabinet at the scene or dedicated video systems electric control box, works as production operation When personnel need Switch Video signal, function button 7 is pressed, sends a control signal, which passes through key scan electricity Road 5, is handled that (all controls of transmitting terminal, communication, sampling are all by the first master cpu into the first master cpu circuit 3 Circuit is completed to handle), then realize that two-way communication passes by the one 485 communication interface circuit 4, the first photoelectric isolating circuit 11 Defeated (purpose of the IC design is primarily to extension communication distance, reduces the interference among long haul communication), by 3 Core communication cable 12, the second photoelectric isolating circuit 29, the 3rd 485 communication interface circuit 14, the control signal is passed to second Master cpu circuit 13, carries out sampling processing to signal by the CPU, then exports the control signal handled to electric power loop, Come control camera power supply and lighting lamp power cut-off and standby various state operations.

It can access PC machine 9 in systems, system be managed and (stores data, adjusts each road load output, failure report It is alert, logout, working status etc.), system can produce automatic control signal, can also be produced by external video switch 8 Level signal automatically controlled.

Field device current sample;Load current is detected by the Hall element in current sampling circuit 26, through isolation electricity Road 25 to forceful electric power carry out effectively isolation and height shape, be converted into sampled signal AC/DC circuits 24 DC, 0~5V it is straight Galvanic electricity is put down, and is inputted through signal filtering match circuit 23 to A/D conversion circuits 16, and the second master cpu electricity is transferred to data mode Road 13, by controlling the trigger circuit of each ghyristor circuit 22 after processing, makes the triggering control of output be formed with sampled signal Closed loop states.

" normally closed " state is arranged on during the contact power-off of magnetic latching relay 22 in figure, will not shadow when equipment is out of order Acoustic system works.

In silicon control zero-cross trigger circuit, AC power 17 takes out synchronizing signal by isolating transformer, there is provided gave Zero detection synchronous circuit 19 produces synchronizing signal, is sent through signalc threshold control circuit 20 to the second master cpu circuit 13 Reason, adjusts by software, exports Analog control signal from D/A conversion circuits 15, triggered circuit 21, passes through silicon-controlled, magnetic On-off circuit 22 is kept, can obtain that the preferable video camera of digital quantization is standby, lighting lamp in digital quantization ac output end 27 The standby preheating of silk and running current, can effectively prevent that light bulb filament is cold quick-fried, the damage shooting of start-up circuit pulse voltage Machine, other cause equipment fault because of circuit start.

Understood with reference to shown in Fig. 2,3, the technical scheme is that:A kind of Energy Saving Control side for video system is provided Method, the video monitoring system described in it include the more video cameras for being used to shoot each monitoring site image, each shooting The image signal output end of machine, by matched video distributor, the correspondence for being transmitted separately to a video switcher regards Frequency signal input part, the video signal output of the video switcher, with a display being arranged in main operation room Video signal input terminal correspond to connection;It is described by switching of the video switcher to each camera video signal Display receives the video signal of each video camera respectively;At each video camera, it is respectively arranged with and is taken the photograph to be described Camera provides the headlamp of corresponding monitoring site illumination;It is characterized in that the energy-saving control method includes:

1) first control unit is set in main operation room, for providing each video camera and display for producers The switching selection of video signal between device;

2) live Electric Appliance Cabinet or the dedicated video systems electrical control of power supply are being provided for each video camera and headlamp One the second control unit is set in case, for control camera power supply and lighting lamp power open/break and holding state operates;

3) in the live Electric Appliance Cabinet or dedicated video systems electric control box AC power and each video camera and Between the power input of headlamp, a silicon control zero-cross trigger circuit is correspondingly arranged respectively, for controlling each shooting " logical " of machine and headlamp working power, " standby " or " disconnected ";

4) in first control unit, according to the handover operation of producers, gather selected video camera and compile Number;

5) selected camera number is transmitted to second control unit by the first control unit described in;

6) for selected video camera and its corresponding headlamp, second control unit output control machines Signal, is selected video camera and its corresponding illumination by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Lamp provides the AC power by digital quantization so that selected video camera and its corresponding headlamp normal work;

7) for non-selected video camera and its corresponding headlamp, second control unit output is silicon-controlled to touch Signal, be selected video camera and its corresponding photograph by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Bright lamp provides the micro-current AC power by digital quantization, and by being attempted by the protective condenser at silicon-controlled both ends, for not Selected video camera and its corresponding headlamp provide standby AC power so that selected video camera and its corresponding photograph Bright lamp is in holding state;

8) by the cooperation of first control unit and the second control unit, only to selected video camera and its correspondence Headlamp working power is provided, for non-selected video camera and its corresponding headlamp, standby power is only provided, makes it In soft closed mode;

9) on the premise of field monitoring image is observed without prejudice to monitoring client display, using silicon control zero-cross trigger circuit Starting mode, prevent traditional approach start caused by equipment failure and/or by power grid disturb miscellaneous equipment failure so that " electricity its use to the greatest extent, distribution according to need " is truly realized, is realized and is saved energy consumption and extend video camera, lighting device service life Final purpose.

Further, in the power input of each video camera and/or headlamp, a Hall is set respectively Current sensor and spot sampling circuit, video camera corresponding to Hall current sensor detection and/or headlamp input The numerical value or size of power supply, and by the video camera detected by it and/or the numerical value or size of headlamp input power, by existing Second control unit is fed back to after quarry sampling is circuitry digitizing, for forming negative feedback current control closed loop.

The first control unit described in it includes at least the first master cpu circuit, key scanning circuit, automatic control signal Input circuit, function button, video switcher, wherein, the function button is through key scanning circuit and the first master cpu electricity The I/O ends on road correspond to connection, I/ of the video switcher through automatic control signal input circuit and the first master cpu circuit O ends correspond to connection.

The second control unit described in it includes at least the second master cpu circuit, D/A conversion circuits, AC power and can Silicon zero-cross triggering circuit is controlled, wherein the I/O ends of the second master cpu circuit are triggered through D/A conversion circuits and silicon control zero-cross The control terminal connection of circuit, the silicon control zero-cross trigger circuit are serially connected in the AC power and each video camera/photograph Between the power input of bright lamp.

Between first control unit and the second control unit, by the one 485 communication interface circuit, the first light Electric isolating circuit, the second photoelectric isolating circuit, the 3rd 485 communication interface circuit and positioned at the first photoelectric isolating circuit and the second light Three core communication cables between electric isolating circuit, realize that two-way communication is transmitted, and thereby extend communication distance, reduction length to realize The purpose of electromagnetic interference during distance communication.

Further, the input in the silicon control zero-cross trigger circuit, between output terminal, and be connected to magnetic keep after The normal opened contact of electric appliance;The normal opened contact of the magnetic latching relay is in " normally closed " on-state when control system powers off, When first control unit or the second control unit equipment are out of order, the normal opened contact of the magnetic latching relay " closes Close ", the input power of each video camera and/or headlamp is forcibly turned on, is at non-power save mode, to ensure original video The normal work of system, avoid because a certain partial circuit in first control unit or the second control unit be out of order when, Influence the normal work of original video monitoring system.

The first control unit described in it is also connected through the 2nd 485 communication interface circuit with PC machine, by the PC connected Machine, realizes and storage data, each road load output of adjustment, fault alarm, logout and work shape is carried out to whole video system The management function of state adjustment.

Its automatic control signal input circuit, the level at the running LED end by reading each video camera Just, vision signal is automatically selected to realize, plays the function of automatic video frequency switching.

The intelligent power saving increased in existing video monitoring system described in technical solution of the present invention is given in Fig. 4, Fig. 5 The specific line map of control device.

When production operation personnel are in Switch Video signal on video switcher, a control signal, control letter are sent Number entering IC1 (W77E516 microcontrollers) is handled, (all controls of transmitting terminal, communication, sampling all by the microcontroller Lai Processing is completed) then IC1 (W77E516 microcontrollers) control signal handled is sent, by D1, (SN75176 communicates integrated Circuit) outflow, (purpose of the IC design is primarily to extension communication distance, is reduced dry among long haul communication Disturb) pass through 3 core communication cables, which is passed to MCU1 by D2 (SN75176 communication integrated circuits) (ATMEGA128 microcontrollers), carries out sampling processing to signal by the microcontroller, then exports the control signal handled to electricity Resource loop, come control camera power supply and lighting lamp power cut-off and holding state operation.

Normally off is arranged on when magnetic latching relay contact powers off in figure, system will not be influenced when equipment is out of order Work.Y1, Y2 are crystal in figure, and for providing Singlechip clock signal, R1, C1, R4, C7 are provided again for microcontroller initialization Position (clearing), communication baud rate 300bit~9600bit, U5, U6 are MCU1 control magnetic latching relay pulse signals Drive circuit, U7, U8 are that video camera is standby, the drive circuit of the pre- Warm status of exciter lamp filament for MCU1 controls.

SK7~SK14 is collection Phototube Coupling, zero passage detection, the bidirectional triode thyristor of zero cross fired, is adjusted by MCU1 softwares, Using technical measures such as zero triggerings, it is standby, the standby preheating of exciter lamp filament that preferable video camera can be obtained by foregoing circuit Current status.

The zero cross detection circuit of T1, U4, U1, R3, R2 composition carries out the positive and negative zero passage detection of power frequency, and MCU1 is simultaneously emitted by controlling The gate level of gating circuit processed, to control silicon control zero-cross trigger pulse number, reaches load and obtains preferable standby electric current, Can effectively prevent that light bulb filament is cold quick-fried, start-up circuit pulse voltage damage video camera or it is other cause because of circuit start set Standby failure.

Since the model of each IC chip has marked in figure, no longer individually list herein.

Since each component is standard icon in figure, therefore those skilled in the art can understand respectively like clockwork completely The implication of a component codes, no longer describes one by one herein.

Since the present invention is on the premise of video monitoring system normal use is ensured, using silicon control zero-cross trigger circuit The Closed loop Control of Starting mode and current detecting load characteristic, according to the change of monitoring demand come in video monitoring system The working status of different electrical power switching signal switches over, and realizes Energy Saving Control, not only reduces needed for video camera and headlamp The consumption of electric energy, avoids the waste of the energy;It substantially prolongs the service life of the equipment such as video camera and headlamp again at the same time, very Just accomplish " electricity its use to the greatest extent, distribution according to need ".

It the method can be widely used in the design and manufacturing field of video monitoring apparatus.

Claims (10)

1. a kind of energy-saving control method for video monitoring system, its video monitoring system includes more and is used to shoot each prison The video camera of image scene is controlled, the image signal output end of each video camera, by matched video distributor, divides Supplementary biography transports to the correspondence video signal input terminal of a video switcher, the video signal output of the video switcher, Connection corresponding with the video signal input terminal for the display that one is arranged in main operation room;By the video switcher to each The switching of platform camera video signal, the display receive the video signal of each video camera respectively;Described each At platform video camera, the headlamp that corresponding monitoring site illumination is provided for the video camera is respectively arranged with;It is it is characterized in that described Energy-saving control method include:
1) first control unit is set in main operation room, for for producers provide each video camera and display it Between video signal switching selection;
2) in the live Electric Appliance Cabinet or dedicated video systems electric control box of power supply are provided for each video camera and headlamp One the second control unit is set, for control camera power supply and lighting lamp power open/break and holding state operates;
3) AC power and each video camera and illumination in the live Electric Appliance Cabinet or dedicated video systems electric control box Between the power input of lamp, be correspondingly arranged a silicon control zero-cross trigger circuit respectively, for control each video camera with And headlamp working power is logical/standby/disconnected;
4) in first control unit, according to the handover operation of producers, selected camera number is gathered;
5) selected camera number is transmitted to second control unit by the first control unit described in;
6) for selected video camera and its corresponding headlamp, second control unit output control machines letter Number, it is selected video camera and its corresponding headlamp by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit There is provided the AC power by digital quantization so that selected video camera and its corresponding headlamp normal work;
7) for non-selected video camera and its corresponding headlamp, second control unit output control machines letter Number, it is selected video camera and its corresponding headlamp by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Micro-current AC power by digital quantization is provided, and by being attempted by the protective condenser at silicon-controlled both ends, not to be chosen The video camera selected and its corresponding headlamp provide standby AC power so that selected video camera and its corresponding headlamp In holding state;
8) by the cooperation of first control unit and the second control unit, only to selected video camera and its corresponding photograph Bright lamp provides working power, for non-selected video camera and its corresponding headlamp, only provides standby power and is at Soft closed mode.
2. the energy-saving control method described in accordance with the claim 1 for video monitoring system, it is characterised in that described every The power input of one video camera and/or headlamp, sets a Hall current sensor and spot sampling circuit, institute respectively The numerical value or size of video camera and/or headlamp input power corresponding to the Hall current sensor detection stated, and it is examined The video camera and/or the numerical value or size of headlamp input power measured, feeds back to institute after spot sampling is circuitry digitizing The second control unit stated, for forming negative feedback current control closed loop.
3. the energy-saving control method described in accordance with the claim 1 for video monitoring system, it is characterised in that described first Control unit includes at least the first master cpu circuit, key scanning circuit, automatic control signal input circuit, function button, regards Frequency switch, wherein, the function button is through key scanning circuit connection corresponding with the I/O ends of the first master cpu circuit, institute The video switcher stated is through the connection corresponding with the I/O ends of the first master cpu circuit of automatic control signal input circuit;
Second control unit includes at least the second master cpu circuit, D/A conversion circuits, AC power and silicon-controlled mistake Zero trigger circuit, wherein the I/O ends of the second master cpu circuit are through D/A conversion circuits and silicon control zero-cross trigger circuit Control terminal connects, and the silicon control zero-cross trigger circuit is serially connected in the AC power and each video camera/headlamp Between power input;
Between first control unit and the second control unit, by the one 485 communication interface circuit, the first Phototube Coupling Circuit, the second photoelectric isolating circuit, the 3rd 485 communication interface circuit and positioned at the first photoelectric isolating circuit and the second Phototube Coupling Three core communication cables between circuit, realize that two-way communication is transmitted, and thereby lead to realize extension communication distance, reduce long range The purpose of electromagnetic interference during letter.
4. the energy-saving control method described in accordance with the claim 1 for video monitoring system, it is characterised in that described controllable Between the input of silicon zero-cross triggering circuit, output terminal, and it is connected to the normal opened contact of a magnetic latching relay;The magnetic keep after The normal opened contact of electric appliance is in " normally closed " on-state when control system powers off, when first control unit or second are controlled When unit processed is out of order, the normal opened contact " closed " of the magnetic latching relay, is forcibly turned on each video camera and/or photograph The input power of bright lamp, is at non-power save mode, to ensure the normal work of original video system, avoids because of described first When a certain partial circuit in control unit or the second control unit is out of order, the normal work of original video monitoring system is influenced Make.
5. the energy-saving control method described in accordance with the claim 1 for video monitoring system, it is characterised in that described first Control unit is also connected through the 2nd 485 communication interface circuit with PC machine, by the PC machine connected, is realized to whole video system Carry out storage data, each road load output of adjustment, fault alarm, logout and the management function of working status adjustment.
6. the energy-saving control method described in accordance with the claim 1 for video monitoring system, it is characterised in that automatic control Signal input circuit processed, the level height at the running LED end by reading each video camera, believes video to realize Number automatically select, play automatic video frequency switching function.
A kind of 7. energy-saving control device for video monitoring system, it is characterised in that:
The energy-saving control device includes the first control unit in setting main operation room and sets Electric Appliance Cabinet at the scene or special With the second control unit in video system electric control box, wherein, first control unit is used to carry for producers Switching for each video signal between video camera and display selects, second control unit, by setting respectively The silicon control zero-cross trigger circuit between AC power and each video camera and the power input of headlamp is put, control is taken the photograph Camera power supply and lighting lamp power open/break and holding state operation;
The first control unit described in it gathers selected camera number according to the handover operation of producers, and will be by The camera number of selection is transmitted to second control unit;
For selected video camera and its corresponding headlamp, second control unit output silicon controlled trigger signal, By controlling the angle of flow of corresponding silicon control zero-cross trigger circuit, provided for selected video camera and its corresponding headlamp By the AC power of digital quantization so that selected video camera and its corresponding headlamp normal work;
For non-selected video camera and its corresponding headlamp, second control unit output control machines letter Number, it is selected video camera and its corresponding headlamp by controlling the angle of flow of corresponding silicon control zero-cross trigger circuit Micro-current AC power by digital quantization is provided, and by being attempted by the protective condenser at silicon-controlled both ends, not to be chosen The video camera selected and its corresponding headlamp provide standby AC power so that selected video camera and its corresponding headlamp In holding state;
The energy-saving control device is by the cooperation of first control unit and the second control unit, only to selected Video camera and its corresponding headlamp provide working power, for non-selected video camera and its corresponding headlamp, only carry Soft closed mode is at for standby power;
For the energy-saving control device on the premise of field monitoring image is observed without prejudice to monitoring client display, use is silicon-controlled The Starting mode of zero-cross triggering circuit, prevents equipment failure caused by traditional approach startup and/or disturbs other set by power grid Standby failure, so as to be truly realized " electricity its use to the greatest extent, distribution according to need ", realization saves energy consumption and extends video camera, headlamp The final purpose of service life of equipment.
8. according to the energy-saving control device for video monitoring system described in claim 7, it is characterised in that described every The power input of one video camera and/or headlamp, sets a Hall current sensor and spot sampling circuit, institute respectively The numerical value or size of video camera and/or headlamp input power corresponding to the Hall current sensor detection stated, and it is examined The video camera and/or the numerical value or size of headlamp input power measured, feeds back to institute after spot sampling is circuitry digitizing The second control unit stated, for forming negative feedback current control closed loop.
9. according to the energy-saving control device for video monitoring system described in claim 7, it is characterised in that described first Control unit is also connected with PC machine, by the PC machine connected, realizes and storage data, each road of adjustment are carried out to whole video system Load the management function of output, fault alarm, logout and working status adjustment.
10. according to the energy-saving control device for video monitoring system described in claim 7, it is characterised in that described controllable Between the input of silicon zero-cross triggering circuit, output terminal, and it is connected to the normal opened contact of a magnetic latching relay;The magnetic keep after The normal opened contact of electric appliance is in " normally closed " on-state when control system powers off, when first control unit or second are controlled When unit processed is out of order, the normal opened contact " closed " of the magnetic latching relay, is forcibly turned on each video camera and/or photograph The input power of bright lamp, is at non-power save mode, to ensure the normal work of original video system, avoids because of described first When a certain partial circuit in control unit or the second control unit is out of order, the normal work of original video monitoring system is influenced Make.
CN201410521816.9A 2014-09-30 2014-09-30 A kind of energy-saving control method and energy-saving control device for video monitoring system CN105527907B (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101848572A (en) * 2009-03-25 2010-09-29 中国科学院沈阳自动化研究所 Full-digitalization underwater lamp dimming device
CN202285409U (en) * 2010-09-16 2012-06-27 北京中科联众科技股份有限公司 Intelligent household control system
CN103119819A (en) * 2010-05-03 2013-05-22 无线环境有限责任公司 Wireless lighting devices and grid-shifting applications
CN104054153A (en) * 2011-09-06 2014-09-17 埃尔贝克斯视象株式会社 Method And Apparatus For Switching On-off A Group Or All Lights Or Appliances Of Premises

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8203445B2 (en) * 2006-03-28 2012-06-19 Wireless Environment, Llc Wireless lighting

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101848572A (en) * 2009-03-25 2010-09-29 中国科学院沈阳自动化研究所 Full-digitalization underwater lamp dimming device
CN103119819A (en) * 2010-05-03 2013-05-22 无线环境有限责任公司 Wireless lighting devices and grid-shifting applications
CN202285409U (en) * 2010-09-16 2012-06-27 北京中科联众科技股份有限公司 Intelligent household control system
CN104054153A (en) * 2011-09-06 2014-09-17 埃尔贝克斯视象株式会社 Method And Apparatus For Switching On-off A Group Or All Lights Or Appliances Of Premises

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