CN108470450A - Electronic police Intelligent supplemental lighting system - Google Patents

Electronic police Intelligent supplemental lighting system Download PDF

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Publication number
CN108470450A
CN108470450A CN201810300607.XA CN201810300607A CN108470450A CN 108470450 A CN108470450 A CN 108470450A CN 201810300607 A CN201810300607 A CN 201810300607A CN 108470450 A CN108470450 A CN 108470450A
Authority
CN
China
Prior art keywords
light source
control unit
light
electric light
camera
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810300607.XA
Other languages
Chinese (zh)
Inventor
江海峰
韦娜
常魏青
臧怀娟
张凡博
魏笑笙
张启运
张鸣
张一鸣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Sheng Borui Science And Technology Ltd
Original Assignee
Hefei Sheng Borui Science And Technology Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hefei Sheng Borui Science And Technology Ltd filed Critical Hefei Sheng Borui Science And Technology Ltd
Publication of CN108470450A publication Critical patent/CN108470450A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08GTRAFFIC CONTROL SYSTEMS
    • G08G1/00Traffic control systems for road vehicles
    • G08G1/01Detecting movement of traffic to be counted or controlled
    • G08G1/017Detecting movement of traffic to be counted or controlled identifying vehicles
    • G08G1/0175Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B15/00Special procedures for taking photographs; Apparatus therefor
    • G03B15/02Illuminating scene
    • G03B15/03Combinations of cameras with lighting apparatus; Flash units
    • G03B15/05Combinations of cameras with electronic flash apparatus; Electronic flash units
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/70Circuitry for compensating brightness variation in the scene
    • H04N23/74Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B47/00Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
    • H05B47/10Controlling the light source
    • H05B47/105Controlling the light source in response to determined parameters
    • H05B47/11Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
    • 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
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
    • Y02B20/40Control techniques providing energy savings, e.g. smart controller or presence detection

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Traffic Control Systems (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The invention discloses a kind of electronic police Intelligent supplemental lighting system, under day mode, ambient light illumination meets the shooting demand of camera, and clearly car plate photo can be shot without light filling;Under Night, it controls electric light source and starts work, the traffic lights cycle information of timely collection is transferred to control unit by traffic signals detection unit, subsequent control unit output signal adjusts the brightness of output power adjustment electric light source, it is constantly larger by electronic police vehicle flowrate in green light, amber light period internal cause vehicle, so electric light source is high brightness;No through traffic for vehicle in red light cycle, and electric light source, which is low-light level, to be met the requirements.Reduce energy consumption and electric light source to the greatest extent while assisting camera to shoot the facial characteristics photo of clearly car plate photo and driver and taking into account pedestrian's ambient lighting and lighted in vain at night and is formed by light pollution.

Description

Electronic police Intelligent supplemental lighting system
Technical field
The invention belongs to traffic monitoring imaging light filling field, more particularly to a kind of electronic police Intelligent supplemental lighting systems.
Background technology
Electronic police system refers to being mounted on the city intersection and section of signal control and in specific lane Motor-driven vehicle going behavior carries out the uninterrupted automatic system detected and record.Its basic function include vehicle detection, image recording, Number plate of vehicle identification and data processing remote transmission etc..System is detecting vehicle process or vehicle peccancy when driving, It is capable of the feature and panoramic picture of accurate recording vehicle, automatic identification number plate of vehicle, and indicates information of vehicles in panoramic picture, It cannot be influenced by the weather such as rain, snow, mist and ambient light and misdescription record occur, so floor light is extremely important.It uses at present Electronic police light compensating apparatus work at night if state that high brightness is lighted always once entering, can not according to ambient light illumination, have No vehicle adjusts the working condition of light compensating apparatus by electronic police and traffic lights mechanical periodicity, both wastes the energy, It polluted environment again.
Invention content
The purpose of the present invention is to provide a kind of electronic police Intelligent supplemental lighting systems, in real time according to ambient light illumination information, Traffic lights cycle information carries out intelligence and adjusts light filling, had not only met camera shooting light filling demand but also energy saving consumption, and had reduced Light pollution.
To achieve the goals above, the present invention takes following technical scheme:A kind of electronic police Intelligent supplemental lighting system, system Including control unit, environment optical detecting unit, electric light source and traffic signals detection unit, wherein:Environment optical detecting unit acquires Ambient light illumination information judges that in the daytime/night status is delivered to control unit;Control unit output signal controls electric light source and starts In the daytime/Night work:Under day mode, electric light source is not lighted;Under Night, traffic signals detection unit acquisition process Traffic lights cycle information is delivered to control unit, and control unit output signal adjusts the brightness of output power adjustment electric light source In green light, in the amber light period be high brightness, be then low-light level in red light cycle.
In above-mentioned technical proposal, control unit is controlled according to the real-time illuminance information of ambient light that environment optical detecting unit acquires Electric light source works, and under day mode, ambient light illumination meets the shooting demand of camera, and clearly vehicle can be shot without light filling Licence plate piece;Under Night, control electric light source starts work, and traffic signals detection unit is by the traffic signals of timely collection Lamp cycle information is transferred to control unit, and subsequent control unit output signal adjusts the brightness of output power adjustment electric light source, Green light, amber light period internal cause vehicle are constantly larger by electronic police vehicle flowrate, so electric light source is high brightness;In red light cycle No through traffic for vehicle, can be met the requirements so electric light source is low-light level.The system timely collection ambient light illumination information, Traffic lights cycle information carries out intelligent control to electric light source, and clearly car plate photo and driver are shot assisting camera The facial characteristics photo of member and take into account pedestrian's ambient lighting while, reduce energy consumption and electric light source at night to the greatest extent Between light be formed by light pollution in vain.
Description of the drawings
Fig. 1 is present system functional block diagram;
Fig. 2 is light filling control logic figure of the present invention.
Specific implementation mode
In conjunction with attached drawing 1,2, the present invention is made further instructions:
A kind of electronic police Intelligent supplemental lighting system, system include control unit 10, environment optical detecting unit 20, electric light source 30 And traffic signals detection unit 40, wherein:Environment optical detecting unit 20 acquires ambient light illumination information and judges in the daytime/night status It is delivered to control unit 10;10 output signal of control unit controls electric light source 30 and starts in the daytime/Night work:Day mode Under, electric light source 30 is not lighted;Under Night, the conveying of 40 acquisition process traffic lights cycle information of traffic signals detection unit To control unit 10,10 output signal of control unit adjusts the brightness of output power adjustment electric light source 10 in green light, amber light period Interior is high brightness, is then low-light level in red light cycle.Control unit 10 is real according to the ambient light that environment optical detecting unit 20 acquires When illuminance information control electric light source 30 work, under day mode, ambient light illumination meets the shooting demand of camera 60, is not necessarily to light filling Clearly car plate photo can be shot;Under Night, control electric light source 30 starts work, and traffic signals detection unit 40 will The traffic lights cycle information of timely collection is transferred to control unit 10, and 10 output signal of subsequent control unit adjusts defeated The brightness for going out power adjustment electric light source 30, in green light, amber light period internal cause vehicle constantly larger, the institute by electronic police vehicle flowrate It is high brightness with electric light source 30;No through traffic for vehicle in red light cycle, can be met the requirements so electric light source 30 is low-light level.It should System carries out intelligent control by timely collection ambient light illumination information, traffic lights cycle information to electric light source 30, Reduce the energy to the greatest extent while assisting camera 60 to shoot clearly car plate photo and taking into account pedestrian's ambient lighting Consumption and electric light source 30 are lighted in vain at night is formed by light pollution.
System is additionally provided with signals of vehicles detection unit 50, and signals of vehicles detection unit 50 detects vehicle and reaches candid photograph trigger bit The output signal triggering candid photograph of camera 60 when setting or driving against traffic regulations, output while capturing of camera 60 capture synchronizing signal to control Unit 10 processed, control unit 10 control electric light source 30 and do not light under day mode or captured together for camera 60 in a pulsed fashion Light filling is walked, synchronous light filling is captured with the high brightness of strobe mode or in a pulsed fashion for camera 60 under Night.
Signals of vehicles detection unit 50 can be the video vehicle checker built in camera 60, can also be the thunder outside camera 60 It reaches or ground induction coil vehicle checker etc. is for collection vehicle position and the information such as violating the regulations, position or row violating the regulations are captured when vehicle reaches Output signal triggering camera 60 is captured when sailing, if the shooting of camera 60 is automobile tail car plate, ambient lighting under day mode Degree has met the shooting demand of camera 60, and clearly car plate photo can be shot without light filling, so the not point of electric light source 30 It is bright;If camera 60 needs to shoot the facial characteristics and car plate photo of driver, light filling light has to penetrate through the front of automobile Glass, then electric light source 30 must light filling in a pulsed fashion, the light filling in a pulsed fashion of electric light source 30 under day mode will not be to driving Personnel interfere, and the shooting of camera 60 obtains clearly driver and vehicle license plate photo;If camera 60 under Night Shooting is automobile tail car plate, and electric light source 30 captures synchronous light filling by camera 60 of the high brightness of strobe mode, if camera 60 need to shoot the facial characteristics and car plate photo of driver, and electric light source 30 is that camera 60 captures synchronous mend in a pulsed fashion Light.Under Night, if signals of vehicles detection unit 50 has detected vehicle crimping, has driven in the wrong direction, makes a dash across the red light, surpassing in red light cycle Speed, not by be oriented to traveling etc. drive against traffic regulations when, output signal trigger camera 60 capture, electric light source 30 is then from the low bright of strobe mode Degree, which is changed to high brightness or is converted into pulse mode from the low-light level of strobe mode, assists camera 60 to capture light filling, and light filling terminates The brightness of later electric light source 30 then returns to the low-light level of strobe mode.
The environment optical detecting unit 20 is acquired the real-time brightness value EI of ambient light by built-in optical sensor 21 and is transmitted To first processor 22, first processor 22 is by the real-time brightness value EI of the ambient light of reception and preset threshold value EI1 multilevel iudge days Between/night status.EI1 is the ambient light illumination threshold value pre-entered, and current acquisition is accurately judged for first processor 22 The real-time illumination of ambient light, for state in the daytime, collection value be night status when being less than EI1 when collection value is more than or equal to EI1.
Further, when the first processor 22 judges environment for night status, first processor 22 receives environment The real-time brightness value EI of light is compared with preset threshold value EI2, and when collection value is more than or equal to EI2, control unit 10 sends out signal control electricity Light source 30 does not start light filling operation, and when collection value is less than EI2, control unit 10 is acquired according to traffic signals detection unit 40 Signal lamp cycle information controls electric light source 30 and adjusts light filling brightness.Preset threshold value EI2 is in order to which further accurate judgement is current Ambient light illumination, it is that artificial adjustment is arranged that EI2, which is less than EI1, and being that electronic police surrounding enviroment are brighter under Night does not need Light filling can also meet the brightness needed for 60 shooting clear photo of camera, and when collection value is more than B2, control unit 10 controls electric light Source 30 does not start light filling operation, further avoids the waste of the energy.
The traffic signals detection unit 40 is equipped with traffic signals collector 41 and acquires traffic light controller output Signal lamp cycle information or camera 60 export the traffic lights cycle information identified by video detection mode be transferred to second Processor 42, second processor 42 receive information and carry out dissection process, and control unit 10 receives the control of handling result output order Electric light source 30 adjusts brightness.Traffic signals collector 41 is connected with the controller of traffic lights, or the signal with camera 60 Output interface is connected, and accurately acquires traffic lights cycle information, and second processor 42 receives at signal lamp cycle information and parsing Reason, outputs signal to control unit 10, and control unit 10 controls electric light source 30 and adjusts electric light source 30 according to signal lamp cycle information Brightness.
The control unit 10 is additionally provided with network and communication interface and establishes communication connection with control centre, supports Web Setting, operating function.Control unit 10 both can directly be connect with Ethernet by network interface, can also by camera 60 with Ethernet connects, control centre can acquisition control unit 10 in real time working condition, while realizing computer long-distance control, it is complete At Intelligent supplemental lighting system software upgrading, parameter setting, data information upload, operating status control, such as adjust electric light source 30 It brightness and lights and the functions such as fall time.

Claims (6)

1. a kind of electronic police Intelligent supplemental lighting system, it is characterised in that:System includes control unit (10), environment optical detecting unit (20), electric light source (30) and traffic signals detection unit (40), wherein:
Environment optical detecting unit (20) acquisition ambient light illumination information judges that in the daytime/night status is delivered to control unit (10);
Control unit (10) output signal controls electric light source (30) and starts in the daytime/Night work:Under day mode, electric light source (30) it does not light;Under Night, traffic signals detection unit (40) acquisition process traffic lights cycle information is delivered to control Unit (10) processed, control unit (10) output signal adjust the brightness of output power adjustment electric light source (10) in green light, amber light week It is high brightness in phase, is then low-light level in red light cycle.
2. electronic police Intelligent supplemental lighting system according to claim 1, it is characterised in that:System is additionally provided with signals of vehicles inspection Unit (50) is surveyed, signals of vehicles detection unit (50) detection vehicle reaches output signal when capturing trigger position or driving against traffic regulations It triggers camera (60) to capture, camera (60) output while capturing captures synchronizing signal to control unit (10), control unit (10) control electric light source (30) is not lighted under day mode or is that camera (60) captures synchronous light filling in a pulsed fashion, at night Between with the high brightness of strobe mode or be in a pulsed fashion that camera (60) captures synchronous light filling under pattern.
3. electronic police Intelligent supplemental lighting system according to claim 1, it is characterised in that:The environment optical detecting unit (20) the real-time brightness value EI of ambient light is acquired by built-in optical sensor (21) and is transferred to first processor (22), the first processing Device (22) by the real-time brightness value EI of the ambient light of reception and preset threshold value EI1 multilevel iudges in the daytime/night status.
4. electronic police Intelligent supplemental lighting system according to claim 3, it is characterised in that:The first processor (22) When judging environment for night status, first processor (22) receives the real-time brightness value EI of ambient light compared with preset threshold value EI2, when Collection value be more than or equal to EI2 when control unit (10) send out signal control electric light source (30) do not start light filling operation, work as collection value Control unit (10) controls electric light source according to the signal lamp cycle information that traffic signals detection unit (40) acquires when less than EI2 (30) light filling brightness is adjusted.
5. electronic police Intelligent supplemental lighting system according to claim 4, it is characterised in that:The traffic signals detection is single First (40) are equipped with the signal lamp cycle information or camera of traffic signals collector (41) acquisition traffic light controller output (60) the traffic lights cycle information identified by video detection mode exported is transferred to second processor (42), second processor (42) it receives information and carries out dissection process, it is bright that control unit (10) receives handling result output order control electric light source (30) adjustment Degree.
6. electronic police Intelligent supplemental lighting system according to claim 1, it is characterised in that:The control unit (10) is also It is provided with network and communication interface and establishes communication connection with control centre, support Web settings, operating function.
CN201810300607.XA 2017-04-13 2018-04-04 Electronic police Intelligent supplemental lighting system Pending CN108470450A (en)

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CN201710239616.8A CN106910347A (en) 2017-04-13 2017-04-13 Electronic police Intelligent supplemental lighting system
CN2017102396168 2017-04-13

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Cited By (2)

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CN109492566A (en) * 2018-10-31 2019-03-19 奇瑞汽车股份有限公司 Lane position information acquisition method, device and storage medium
CN111653101A (en) * 2020-05-22 2020-09-11 浙江大华技术股份有限公司 Vehicle snapshot method and vehicle snapshot system

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CN110025072A (en) * 2018-01-11 2019-07-19 深圳市摩动智能科技有限公司 A kind of multifunctional alarming intelligent helmet
CN108933900A (en) * 2018-09-04 2018-12-04 深圳市威特迪科技有限公司 A kind of video camera light filling control circuit and its control method

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