CN108364479B - System for electronic police intelligence light filling - Google Patents
System for electronic police intelligence light filling Download PDFInfo
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- CN108364479B CN108364479B CN201810300555.6A CN201810300555A CN108364479B CN 108364479 B CN108364479 B CN 108364479B CN 201810300555 A CN201810300555 A CN 201810300555A CN 108364479 B CN108364479 B CN 108364479B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/71—Circuitry for evaluating the brightness variation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/74—Circuitry for compensating brightness variation in the scene by influencing the scene brightness using illuminating means
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses an electronic police intelligent light supplementing system.A surrounding light detection unit collects surrounding light real-time illumination information to judge whether surrounding brightness meets basic requirements of pedestrian surrounding illumination or not and transmits a signal to a control unit under a surrounding illumination light supplementing mode, if so, the control unit controls an electric light source not to be lightened, and if not, the control unit controls the electric light source to be lightened to provide surrounding illumination light supplementing for pedestrians; under the monitoring imaging light filling mode, the traffic signal detection unit collects and processes the periodic information of the traffic signal lamp and transmits the periodic information to the control unit, and the control unit controls the electric light source to adjust the output power to adjust the brightness to be high brightness in the green lamp period and the yellow lamp period and low brightness in the red lamp period. The system intelligently regulates and controls the electric light source by acquiring and processing ambient light illumination information, triggering light changing and supplementing signals by vehicles and periodic information of traffic lights in real time, assists the camera to shoot clear license plates and personnel photos and gives consideration to pedestrian ambient lighting, and reduces energy consumption and light pollution at the same time.
Description
Technical Field
The invention belongs to the field of traffic technology monitoring imaging light supplement, and particularly relates to an intelligent light supplement system for an electronic police.
Background
The electronic police system is a system which is arranged at an urban intersection and a road section which can be controlled by signals and is used for continuously and automatically detecting and recording the running behavior of the motor vehicle in an appointed lane. Its basic functions include vehicle detection, image recording, vehicle number plate identification, data processing and remote transmission. When the system detects that a vehicle passes or runs in a violation manner, the system can accurately record the characteristics and the panoramic image of the vehicle, automatically identify the number plate of the vehicle, mark vehicle information in the panoramic image and cannot be mistakenly recorded under the influence of weather such as rain, snow, fog and the like and ambient light, so that auxiliary lighting is very important. The electronic police light filling device who adopts at present is in once getting into night operating condition then the highlight is lighted all the time, can't adjust the operating condition of light filling device through electronic police and traffic signal lamp periodic variation according to ambient illuminance, vehicle, both wasted the energy, polluted the environment again.
Disclosure of Invention
The invention aims to provide an intelligent light supplementing system for an electronic police, which can intelligently adjust light supplementation according to ambient light illumination information, a vehicle trigger light-changing light supplementation signal and traffic signal lamp period information in real time, meet the light supplementing requirement of camera shooting, save energy consumption and reduce light pollution.
In order to achieve the purpose, the invention adopts the following technical scheme: an electronic police intelligent light supplementing system comprises a control unit, an ambient light detection unit, an electric light source, a light changing and supplementing triggering unit and a traffic signal detection unit, wherein the ambient light detection unit collects ambient light real-time illumination information and judges day/night states and transmits the information to the control unit; the control unit outputs a signal to control the electric light source to start the daytime/night mode to work: in the daytime mode, the electric light source is not lightened; in the night mode, the light-changing and light-supplementing triggering unit collects a light-changing and light-supplementing triggering signal of a vehicle, judges whether the light-changing and light-supplementing triggering signal of the vehicle is sent to the control unit or not, outputs a signal to control the electric light source to start an L mode of ambient lighting light supplementation when the light-changing and light-supplementing triggering signal of the vehicle is not sent to the control unit, and starts a B mode of monitoring imaging light supplementation when the light-changing and light-supplementing triggering signal of the vehicle is sent to the; in an ambient lighting light supplement mode, an ambient light detection unit collects ambient light real-time illumination information to judge whether ambient brightness meets basic requirements of pedestrian ambient lighting or not and transmits signals to a control unit, if so, the control unit controls an electric light source not to be turned on, and if not, the control unit controls the electric light source to be turned on to provide ambient lighting light supplement for pedestrians; under the monitoring imaging light filling mode, the traffic signal detection unit collects and processes the periodic information of the traffic signal lamp and transmits the periodic information to the control unit, and the control unit controls the electric light source to adjust the output power to adjust the brightness to be high brightness in the green lamp period and the yellow lamp period and low brightness in the red lamp period.
In the technical scheme, the control unit controls the electric light source to work according to the real-time illumination information of the ambient light collected by the ambient light detection unit, the ambient light illumination meets the shooting requirement of the camera in the daytime mode, and clear license plate pictures can be shot without light supplement; in the night mode, the light-changing and light-supplementing triggering unit acquires a light-changing and light-supplementing triggering signal of a vehicle in real time, when no vehicle triggers the light-changing and light-supplementing triggering signal, no vehicle cannot be captured by a camera, an L mode of ambient lighting light supplement is started, and when the vehicle triggers the light-changing and light-supplementing triggering, a B mode of monitoring imaging light supplement is started; when a vehicle triggers a light-changing and light-supplementing signal, the vehicle enters the monitoring range of an electronic police, a monitoring imaging light-supplementing mode is started, light-changing and light-supplementing are prepared to be captured and supplemented at any time by matching with a camera, a traffic signal detection unit transmits periodic information of a traffic signal lamp acquired and processed in real time to a control unit, then the control unit outputs a signal to adjust output power to adjust the brightness of an electric light source, and the electric light source is high in brightness because the vehicle continuously passes through the electronic police in the periods of green and yellow lamps, so that the traffic flow is large; the vehicles are not allowed to pass in the red light period, so the electric light source can meet the requirement of low brightness. The system intelligently regulates and controls the electric light source by acquiring and processing ambient light illumination information, triggering light changing and supplementing signals by vehicles and periodic information of traffic lights in real time, assists the camera to shoot facial feature photos of clear license plates and drivers, gives consideration to pedestrian ambient lighting, and reduces energy consumption and light pollution to the maximum extent.
Drawings
FIG. 1 is a schematic block diagram of the system of the present invention;
FIG. 2 is a logic diagram of control of a fill light mode for ambient lighting;
fig. 3 is a control logic diagram of a monitoring imaging fill-in mode.
Detailed Description
The invention is further explained with reference to the accompanying drawings 1-3:
the utility model provides a system of electronic police intelligence light filling, the system includes the control unit 10, ambient light detecting element 20, electric light source 30, becomes light filling trigger element 40 and traffic signal detecting element 50, wherein: the ambient light detection unit 20 collects ambient light real-time illumination information to judge day/night states and transmits the information to the control unit 10; the control unit 10 outputs a signal to control the electric light source 30 to start the daytime/nighttime mode operation: in the daytime mode, the electric light source 30 is not lit; in the night mode, the light-changing and light-supplementing triggering unit 40 collects a vehicle triggering light-changing and light-supplementing signal, judges whether the vehicle triggering light-changing and light-supplementing signal exists or not, and transmits the vehicle triggering light-changing and light-supplementing signal to the control unit 10, when the vehicle triggering light-changing and light-supplementing signal does not exist, the control unit 10 outputs a signal to control the electric light source 30 to start an L mode of ambient lighting light supplementation, and when the vehicle triggering light-changing and light-supplementing signal exists, the B mode of monitoring imaging; in the ambient lighting supplementary lighting mode, the ambient light detection unit 20 collects ambient light real-time illumination information to judge whether ambient brightness meets basic requirements of pedestrian ambient lighting or not and transmits a signal to the control unit 10, if so, the control unit 10 controls the electric light source 30 not to be turned on, and if not, the control unit 10 controls the electric light source 30 to be turned on to provide ambient lighting supplementary lighting for pedestrians; under the monitoring imaging light filling mode, the traffic signal detection unit 50 collects and processes the periodic information of the traffic signal lamp and transmits the periodic information to the control unit 10, and the control unit 10 controls the electric light source 30 to adjust the output power to adjust the brightness to be high brightness in the green lamp period and the yellow lamp period and low brightness in the red lamp period.
The control unit 10 controls the electric light source 30 to work according to the real-time illumination information of the ambient light collected by the ambient light detection unit 20, and in the daytime mode, the ambient light illumination meets the shooting requirement of the camera 70, and clear license plate pictures can be shot without light supplement; in the night mode, the light-changing and light-supplementing triggering unit 40 collects light-changing and light-supplementing triggering signals of the vehicle in real time, when no light-changing and light-supplementing triggering signals of the vehicle exist, no vehicle can not be captured by the camera 70, the L mode of ambient lighting light supplementation is started, and when the light-changing and light-supplementing triggering signals of the vehicle exist, the B mode of monitoring imaging light supplementation is started; when a vehicle triggers a light-changing and light-supplementing signal, the vehicle enters an electronic police monitoring range, a monitoring imaging light-changing and light-supplementing mode light-changing and light-supplementing matching camera 70 is started to prepare for snapshot light supplementation at any time, a traffic signal detection unit 50 transmits traffic signal lamp period information acquired and processed in real time to a control unit 10, then the control unit 10 outputs a signal to adjust output power to adjust the brightness of an electric light source 30, and the electric light source 30 is high in brightness because the vehicle continuously passes through the electronic police in green and yellow lamp periods; the vehicle is not allowed to pass in the red period, so the low brightness of the electric light source 30 can meet the requirement. The system intelligently regulates and controls the electric light source 30 by acquiring and processing ambient light illumination information, triggering light changing and supplementing signals by vehicles and periodic information of traffic lights in real time, assists the camera 70 to shoot clear face characteristic pictures of license plates and drivers, gives consideration to pedestrian ambient lighting, and reduces energy consumption and light pollution to the greatest extent.
The system is further provided with a vehicle signal detection unit 60, the vehicle signal detection unit 60 detects that the vehicle reaches a snapshot position or triggers the camera 70 to take a snapshot when the vehicle runs in a violation of regulations, the camera 70 outputs a snapshot synchronization signal to the control unit 10 while taking the snapshot, the control unit 10 controls the electric light source 30 not to be turned on in a daytime mode or to take a snapshot for the camera 70 in a pulse mode for synchronous light supplement, and the high brightness in a stroboscopic mode or the pulse mode for the camera 70 in a night mode for synchronous light supplement. The vehicle signal detection unit 60 may be a video vehicle detector built in the camera 70, or may be a radar or ground induction coil vehicle detector and the like outside the camera 70 for collecting information such as vehicle position and violation, and when the vehicle reaches a snapshot position or runs in violation, a signal is output to trigger the camera 70 to snapshot, if the camera 70 shoots a vehicle tail license plate, the ambient light illumination already meets the shooting requirement of the camera 70 in the daytime mode, and a clear license plate photo can be shot without light supplement, so the electric light source 30 is not turned on; if the camera 70 needs to shoot facial features and license plate photos of a driver, the light supplementing light needs to penetrate through the front windshield of the automobile, the electric light source 30 needs to supplement light in a pulse mode, the electric light source 30 supplements light in a pulse mode in a daytime mode, interference on the driver cannot be caused, and the camera 60 shoots clear license plate photos of the driver and the automobile; in the night mode, if the camera 70 shoots the license plate at the tail of the automobile, the electric light source 30 takes the high brightness of a stroboscopic mode as the camera 70 to capture the synchronous light supplement, and if the camera 70 needs to shoot the facial features and the license plate photos of the driver, the electric light source 30 takes the pulse mode as the camera 70 to capture the synchronous light supplement. In the night mode, if the vehicle signal detection unit 60 detects that there is a vehicle running violating regulations such as pressing a line, running backwards, running a red light, speeding, not running according to a guide direction, etc. in a red light period, the output signal triggers the camera 70 to capture, the electric light source 30 changes from a low brightness of a stroboscopic mode to a high brightness or converts from the low brightness of the stroboscopic mode to a pulse mode to assist the camera 70 to capture and supplement light, and the brightness of the electric light source 30 returns to the low brightness of the stroboscopic mode after the supplement light is finished. After the vehicle passes through the electronic police, the control unit 10 controls the electric light source 30 to be switched to the L mode of the ambient lighting supplementary lighting until the control unit 10 receives the vehicle triggering light changing supplementary lighting signal again, and the system is switched to the B mode of the monitoring imaging supplementary lighting again.
The ambient light detecting unit 20 collects an ambient light real-time illuminance value EI from a built-in light sensor 21 and transmits the ambient light real-time illuminance value EI to the first processor 22, and the first processor 22 compares the received ambient light real-time illuminance value EI with a preset threshold value EI1 to determine a daytime/nighttime state. The EI1 is a pre-input ambient light illumination threshold value used by the first processor 22 to accurately determine the real-time illumination of the currently collected ambient light, and is set to be in the daytime when the collection value is greater than or equal to EI1 and to be in the nighttime when the collection value is less than EI 1.
When the first processor 22 determines that the environment is in the nighttime state, the first processor 22 receives the ambient light real-time illuminance value EI and compares the ambient light real-time illuminance value EI with a preset threshold EI2, when the collection value is greater than or equal to EI2, the control unit 10 sends a signal to control the electric light source 30 not to start ambient lighting light supplement, when the collection value is less than EI2, the control unit 10 controls the electric light source 30 to start ambient lighting light supplement according to the vehicle trigger light-changing light-supplementing signal collected by the light-changing light-supplementing trigger unit 40, and when the control unit 10 receives the vehicle trigger light-changing light-supplementing signal collected by the light-changing light-supplementing trigger unit 40, the control unit 10 controls the electric light source 30 to switch from the L mode of ambient lighting light supplement to the B mode. The EI2 is a pre-input ambient light illumination threshold, the EI2 is smaller than the EI1, and is set for adjustment by a person, so that the first processor 22 can accurately judge whether the real-time illumination of the currently acquired ambient light can meet the basic requirement of pedestrian ambient lighting, when the acquisition value is greater than or equal to the EI2, the ambient brightness is higher, the basic requirement of pedestrian ambient lighting can be met, light supplement for ambient lighting is not needed, and at this time, the lighting brightness L is 0; when the collection value is smaller than EI2, the ambient illumination is low and cannot meet the basic requirement of pedestrian ambient illumination, then the ambient illumination light supplement is started, the illumination brightness L is L1, when the ambient illumination light supplement is started, the electric light source 30 is equivalent to a common street lamp for illumination, and the illumination brightness L1 is adjustable so as to meet the basic requirement of pedestrian ambient illumination, and the details are shown in the attached figure 2.
The light-changing and light-supplementing triggering unit 40 is provided with a vehicle sensor 41, in the night mode, the vehicle sensor 41 collects a light-changing and light-supplementing triggering signal TS of the vehicle and transmits the light-changing and light-supplementing triggering signal TS to the second processor 42, the second processor 42 compares and judges the received information with a preset threshold TS1 and outputs a judgment result to the control unit 10, the control unit 10 controls the working mode of the electric light source 30 according to the judgment result, and the control unit 10 also presets a light-supplementing delay time T when TS is equal to TS 1.
The vehicle sensor 41 uses radar or a vehicle detector or a sensor, a remote detection and sensing mode is adopted to collect vehicle information to trigger a light-changing and light-supplementing signal, the TS1 triggers a preset threshold value for light-changing and light-supplementing, when the TS is TS1, a vehicle triggers light-changing and light-supplementing, the electric light source 30 is switched from an L mode of ambient lighting light-supplementing to a B mode of monitoring imaging light-supplementing, because time setting of traffic light periods at each intersection may be different, speeds and states of each vehicle when approaching and passing an electronic police are also different, some vehicles may run at an ultra-low speed or even stop running when approaching the electronic police, in order to avoid long-time ineffective lighting of the electric light source 30, the control unit 10 is preset with a monitoring imaging light-supplementing lighting working time parameter T, and when the TS is TS1, the T starts to time. The brightness of the electric light source 30 is continuously supplemented according to the periodic variation of the traffic signal lamp within the time T, after the time T is over, the electric light source 30 is automatically switched to the L mode of the ambient lighting supplementary lighting, and waits for the next monitoring imaging supplementary lighting operation, which is shown in fig. 3 in detail. The lighting time T can be adjusted to control the length of time for the electric light source 30 to be turned on and off when monitoring the imaging light supplement, and when the parameter T is set, various factors such as the period of traffic lights at the traffic intersection, traffic flow, road conditions, and environmental characteristics should be fully considered, so that not only enough lighting time needs to be reserved for photographing and light supplement of the camera 70, but also the purposes of saving energy and reducing light pollution are achieved.
The traffic signal detecting unit 50 is provided with a traffic signal collector 51 for collecting signal lamp period information output by a traffic signal lamp controller or traffic signal lamp period information output by a camera 70 and identified by a video detection mode, and transmitting the signal lamp period information to a third processor 52, the third processor 52 receives the information for analysis and processing, and the control unit 10 receives a processing result and outputs an instruction to control the electric light source 30 to adjust the brightness. The traffic signal collector 51 is connected with a controller of a traffic signal lamp or connected with a signal output interface of the camera 70 to accurately collect traffic light period information, the third processor 52 receives the signal lamp period information, analyzes and processes the signal lamp period information, outputs a signal to the control unit 10, and the control unit 10 controls the electric light source 30 to adjust the brightness of the electric light source 30 according to the signal lamp period information.
The control unit 10 is also provided with a network and a communication interface to establish communication connection with a control center, and supports Web setting and operation functions. The control unit 10 can be directly connected to the ethernet through the network interface, or connected to the ethernet through the camera 70, and the control center can acquire the operating state of the control unit 10 in real time, and simultaneously realize remote control of the computer, complete software upgrade of the intelligent light supplement system, parameter setting, data information uploading, and operation state control, such as adjusting the brightness of the electric light source 30 and the on and off time.
Claims (7)
1. The utility model provides a system of electronic police intelligence light filling which characterized in that: the system comprises a control unit (10), an ambient light detection unit (20), an electric light source (30), a light changing and supplementing trigger unit (40) and a traffic signal detection unit (50), wherein:
the ambient light detection unit (20) collects ambient light real-time illumination information to judge day/night states and transmits the information to the control unit (10);
the control unit (10) outputs a signal to control the electric light source (30) to start the day/night mode: in the daytime mode, the electric light source (30) is not lighted; in the night mode, the light-changing and light-supplementing triggering unit (40) collects a light-changing and light-supplementing triggering signal of a vehicle, judges whether the light-changing and light-supplementing triggering signal of the vehicle is sent to the control unit (10), when the light-changing and light-supplementing triggering signal of the vehicle is not triggered, the control unit (10) outputs a signal to control the electric light source (30) to start an L mode of ambient lighting light supplementation, and when the light-changing and light-supplementing triggering signal of the vehicle is triggered, a B mode of monitoring imaging light supplementation is started;
in an ambient lighting supplementary lighting mode, an ambient light detection unit (20) collects ambient light real-time illumination information to judge whether ambient brightness meets basic requirements of pedestrian ambient lighting or not and transmits signals to a control unit (10), if so, the control unit (10) controls an electric light source (30) not to be turned on, and if not, the control unit (10) controls the electric light source (30) to be turned on to provide ambient lighting supplementary lighting for pedestrians;
under the monitoring imaging light filling mode, the traffic signal detection unit (50) collects and processes the periodic information of the traffic signal lamp and transmits the periodic information to the control unit (10), and the control unit (10) controls the electric light source (30) to adjust the output power to adjust the brightness to be high brightness in the green lamp period and the yellow lamp period and to be low brightness in the red lamp period.
2. The system of claim 1, wherein the system comprises: the system is also provided with a vehicle signal detection unit (60), the vehicle signal detection unit (60) detects that the vehicle reaches a snapshot position or triggers a camera (70) to take a snapshot when the vehicle runs in a violation manner, the camera (70) outputs a snapshot synchronous signal to the control unit (10) while taking a snapshot, the control unit (10) controls the electric light source (30) not to be turned on in a daytime mode or to take a snapshot synchronous light supplement for the camera (70) in a pulse mode, and the high brightness in a stroboscopic mode or the snapshot synchronous light supplement for the camera (70) in a pulse mode in a night mode.
3. The system of claim 1, wherein the system comprises: the environment light detection unit (20) collects an environment light real-time illumination value EI through a built-in light sensor (21) and transmits the environment light real-time illumination value EI to the first processor (22), and the first processor (22) compares the received environment light real-time illumination value EI with a preset threshold EI1 to judge the daytime/nighttime state.
4. The system of claim 3, wherein the system comprises: when the first processor (22) judges that the environment is in a night state, the first processor (22) receives an ambient light real-time illuminance value EI and compares the ambient light real-time illuminance value EI with a preset threshold EI2, when the collection value is larger than or equal to EI2, the control unit (10) sends a signal to control the electric light source (30) not to start ambient lighting supplementary lighting, when the collection value is smaller than EI2, the control unit (10) controls the electric light source (30) to start the ambient lighting supplementary lighting, and when the control unit (10) receives a light changing supplementary lighting signal collected by the light changing triggering unit (40), the control unit (10) controls the electric light source (30) to switch from an L mode of the ambient lighting supplementary lighting to a B mode of monitoring imaging supplementary lighting.
5. The system of claim 4, wherein the system comprises: the light-changing and light-supplementing triggering unit (40) is provided with a vehicle sensor (41), the vehicle sensor (41) collects a vehicle triggering light-changing and light-supplementing signal TS and transmits the signal to a second processor (42) in a night mode, the second processor (42) receives information and compares the information with a preset threshold TS1, a judgment result is output to the control unit (10), the control unit (10) controls the working mode of the electric light source (30) according to the judgment result, and the control unit (10) also presets light-supplementing delay time T when TS is TS 1.
6. The system of claim 1, wherein the system comprises: the traffic signal detection unit (50) is provided with a traffic signal collector (51) for collecting signal lamp period information output by a traffic signal lamp controller or traffic lamp period information output by a camera (70) and identified by a video detection mode, the traffic signal collector transmits the signal lamp period information to the third processor (52), the third processor (52) receives the information for analysis and processing, and the control unit (10) receives a processing result and outputs an instruction to control the electric light source (30) to adjust the brightness.
7. The system of claim 1, wherein the system comprises: the control unit (10) is also provided with a network and a communication interface to establish communication connection with the control center and support Web setting and operation functions.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710242058.0A CN106971553A (en) | 2017-04-13 | 2017-04-13 | The system of electronic police Intelligent supplemental lighting |
| CN2017102420580 | 2017-04-13 |
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| CN108364479A CN108364479A (en) | 2018-08-03 |
| CN108364479B true CN108364479B (en) | 2021-03-05 |
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| CN201810300555.6A Expired - Fee Related CN108364479B (en) | 2017-04-13 | 2018-04-04 | System for electronic police intelligence light filling |
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| CN110167232B (en) * | 2019-06-06 | 2021-11-05 | 四川华晖盛世探测技术有限公司 | Illumination control system and method |
| 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 |
| CN113691736A (en) * | 2021-06-29 | 2021-11-23 | 展讯通信（深圳）有限公司 | Light supplement control method, light supplement control system, terminal and light supplement lamp |
| CN114049776A (en) * | 2021-12-15 | 2022-02-15 | 航天信息股份有限公司 | Vehicle license plate snapshot light filling system |
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| CN108364479A (en) | 2018-08-03 |
| CN106971553A (en) | 2017-07-21 |
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