CN108282917A - A kind of monitoring device light filling lamp control method - Google Patents
A kind of monitoring device light filling lamp control method Download PDFInfo
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- CN108282917A CN108282917A CN201810082076.1A CN201810082076A CN108282917A CN 108282917 A CN108282917 A CN 108282917A CN 201810082076 A CN201810082076 A CN 201810082076A CN 108282917 A CN108282917 A CN 108282917A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- 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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/16—Controlling the light source by timing means
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
Abstract
The invention discloses a kind of monitoring device light filling lamp control methods, its obtained in real time by vehicle detection module currently by this section vehicle condition and in the unit interval first and last vehicle by time, this information is emitted by radiofrequency emitting module to light filling lamp control module, light filling lamp control module is calculated according to time control algorithm, and obtain a reasonable value to control light compensating lamp is always on the time.The maintenance cost for reducing equipment reduces traffic safety hidden danger, is suitable for traffic monitoring field.
Description
Technical field
The present invention relates to road monitoring fields, more particularly, to a kind of monitoring device light filling lamp control method.
Background technology
In existing road records a video capturing system, monitoring capturing system is usually by light compensating lamp, monitoring device, coil three
Kind equipment collaboration work is completed, and when vehicle drives into coil defined area, can inform that monitoring device is captured, while in order to protect
Card candid photograph image is apparent, and light compensating lamp can carry out light filling by quick-fried sudden strain of a muscle or in a manner of being always on, to ensure that the image captured is apparent
Accurately.
Nowadays also it has been proposed that follow-on light compensating lamp design scheme, but the cost is relatively high, and safeguards and environment
Adaptability is relatively weak, and especially certain light filling lamp apparatus for having special specific aim application scenario are unfavorable for preferably pushing away
Extensively.For example, the utility model patent that Hong Congsheng et al. is proposed is to devise a kind of video monitoring LED light fillings with combination supplementary lighting module
Lamp, each supplementary lighting module can improve light filling work(with separately adjustable light filling direction by way of increasing supplementary lighting module quantity
Rate.But power is improved to quantity, there is certain cost burden.A kind of benefit based on video analysis that Zhao Feng et al. is proposed
Light lamp autocontrol method, the brightness of present image is judged by the image collected, sets certain luminance threshold to control
The light on and off of light compensating lamp processed.But the image collected may be because environment difference, there are certain deviation, make the threshold initially set up
Value is not very accurate, needs to debug again.Zhang Qixiang et al. proposes that it is the close of transparent glass that LED light supplement lamp, which is placed on top,
In closed box, and case is placed in the tunnel of bottom surface, different automobile types is detected by pressure sensor, to different LED light supplement lamps pair
Vehicle is captured.But light filling lamp apparatus is placed below road surface, be unfavorable for building and is safeguarded.
Existing technical solution has the candid photograph that can solve to record a video to certain current section, for inquiring evidence obtaining, but it is this
Maintenance of the mode for light filling lamp apparatus, and have certain harmful effect to vehicle driver.Such as：
(1) after light compensating lamp repeatedly glistens, the temperature of light compensating lamp can rise sharply and influence its service life；
(2) light compensating lamp holding is always on service life and maintenance cost that pattern will have a direct impact on light compensating lamp LED, when no vehicle pass-through
Lead to the waste of resource；
(3) after the quick-fried sudden strain of a muscle of light compensating lamp, driver has temporary blindness phenomenon, that is, vision dead zone for some time, causes
Some potential safety problems；
(4) increase the secondary construction (coil laying) to having road, and plant maintenance is inconvenient.
Invention content
The present invention is mainly that the light compensating lamp present in the solution prior art opens and closes when can not be appropriate again, can not
Energy saving and comprehensive, the technical problem of plant maintenance inconvenience etc. is taken into account, a kind of unlatching of Intelligent Dynamic control light compensating lamp is provided
Time flashes there is no quick-fried as safe, effective covering monitoring device light filling lamp control method of the vehicle by the period
What the present invention was mainly addressed by following technical proposals in view of the above technical problems：A kind of monitoring device benefit
Light lamp control method, includes the following steps：
S001, car statistics module detection from test point by vehicle condition, enable time of each car by test point
The when a length of vehicle of point apart from the start time point in place period passes through the time；
S002, when first car passes through, control light compensating lamp open, light compensating lamp holding be always on a cycle, each period
When a length of T, count value K is set to 1；
If S003, the vehicle passing detection point in the 1st period not in addition to first car, close light compensating lamp,
Count value K resets to 0, return to step S001；If there is the vehicle passing detection point in addition to first car in 1st period,
Then enter step S004；
S004, in the minute book period last time t is passed through by the vehicle of test point1(n), enable tt1=t1(n)；If
The bright light duration △ t in fixed 1st period1For T+tt1, i.e., the bright light duration in the 1st period cross the 2nd period when it is a length of
tt1；Jump to step S008；
If the vehicle number passed through from test point in S005, k-th period is 0, light compensating lamp is closed, count value K is set to
0, return to step S001；If the vehicle number passed through from test point in the k-th period is greater than or equal to 1, S006 is entered step；
S006, tt is both less than by the time when all vehicles in the k-th periodK-1, then the bright light duration in this period is set
△tKFor T, and jump to step S008；When the first car in the k-th period passes through time tK(1)Less than or equal to ttK-1And most
Latter vehicle passes through time tK(n)More than or equal to ttK-1, then the bright light duration △ t in this period are setKFor tK(n)-ttK-1+ T, and
Jump to step S008；If all vehicles in the k-th period are both greater than tt by the timeK-1Then enter step S007；
S007, light filling lamp control module open light compensating lamp, if an only vehicle is set by test point in this period
The bright light duration △ t in this periodKFor T, and jump to step S008；If more than one vehicle passes through test point, note in this period
First car is t by the timeK(1), last vehicle is t by the timeK(n), then the bright light duration △ t in this period are setK
For tK(n)-tK(1)+ T, and jump to step S008；
S008, light filling lamp control module control light compensating lamp according to the bright light duration in this period and carry out dynamic switch, cross
The bright light duration of next cycle is denoted as ttK, count value K increases 1 at the end of this period, jumps to step S005.
Vehicle detection module is installed on the guardrail of road both sides, is powered by solar energy and standby lithium pond, when it starts
Can obtain in real time afterwards currently by this section vehicle condition and in the unit interval first and last vehicle by time, will
This information is emitted by radiofrequency emitting module to light filling lamp control module.Light filling lamp control module is carried out according to time control algorithm
It calculates, obtain a reasonable value to control light compensating lamp is always on the time.
Preferably, the duration T in each period is determined by following formula：
T=L/v
In formula, L is the distance between vehicle detection module and light compensating lamp, and v is the average speed of vehicle.
When the average speed of vehicle in a period of time changes, the duration T in period can also change, and the higher T of speed is more
It is small, to improve matching degree, reduces and omit.
Preferably, the bright light duration in each period is calculated from the start time point in this period；If it exceeds bright light duration
Dynamic switch is then carried out according to new bright light duration, keeps light compensating lamp to be always on state if being less than bright light duration.
The substantial effect that the present invention is brought is that carrying out rationally control light compensating lamp according to present vehicle information is always on the time,
The maintenance cost for reducing equipment reduces traffic safety hidden danger.
Description of the drawings
Fig. 1 is a kind of flow chart of the present invention.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：A kind of monitoring device light filling lamp control method of the present embodiment, as shown in Figure 1, including the following steps：
S001, car statistics module detection from test point by vehicle condition, enable time of each car by test point
The when a length of vehicle of point apart from the start time point in place period passes through the time；
S002, when first car passes through, control light compensating lamp open, light compensating lamp holding be always on a cycle, each period
When a length of T, count value K is set to 1；
If S003, the vehicle passing detection point in the 1st period not in addition to first car, close light compensating lamp,
Count value K resets to 0, return to step S001；If there is the vehicle passing detection point in addition to first car in 1st period,
Then enter step S004；
S004, in the minute book period last time t is passed through by the vehicle of test point1(n), enable tt1=t1(n)；If
The bright light duration △ t in fixed 1st period1For T+tt1, i.e., the bright light duration in the 1st period cross the 2nd period when it is a length of
tt1；Jump to step S008；
If the vehicle number passed through from test point in S005, k-th period is 0, light compensating lamp is closed, count value K is set to
0, return to step S001；If the vehicle number passed through from test point in the k-th period is greater than or equal to 1, S006 is entered step；
S006, tt is both less than by the time when all vehicles in the k-th periodK-1, then the bright light duration in this period is set
△tKFor T, and jump to step S008；When the first car in the k-th period passes through time tK(1)Less than or equal to ttK-1And most
Latter vehicle passes through time tK(n)More than or equal to ttK-1, then the bright light duration △ t in this period are setKFor tK(n)-ttK-1+ T, and
Jump to step S008；If all vehicles in the k-th period are both greater than tt by the timeK-1Then enter step S007；
S007, light filling lamp control module open light compensating lamp, if an only vehicle is set by test point in this period
The bright light duration △ t in this periodKFor T, and jump to step S008；If more than one vehicle passes through test point, note in this period
First car is t by the timeK(1), last vehicle is t by the timeK(n), then the bright light duration △ t in this period are setK
For tK(n)-tK(1)+ T, and jump to step S008；
S008, light filling lamp control module control light compensating lamp according to the bright light duration in this period and carry out dynamic switch, cross
The bright light duration of next cycle is denoted as ttK, count value K increases 1 at the end of this period, jumps to step S005.
The duration T in each period is determined by following formula：
T=L/v
In formula, L is the distance between vehicle detection module and light compensating lamp, and v is the average speed of vehicle.
When the average speed of vehicle in a period of time changes, the duration T in period can also change, and the higher T of speed is more
It is small, to improve matching degree, reduces and omit.
The bright light duration in each period is calculated from the start time point in this period；If it exceeds bright light duration is then according to new
Bright light duration carries out dynamic switch, keeps light compensating lamp to be always on state if being less than bright light duration.
Vehicle detection module is installed on the guardrail of road both sides, is powered by solar energy and standby lithium pond, when it starts
Can obtain in real time afterwards currently by this section vehicle condition and in the unit interval first and last vehicle by time, will
This information is emitted by radiofrequency emitting module to light filling lamp control module.Light filling lamp control module is carried out according to time control algorithm
It calculates, obtain a reasonable value to control light compensating lamp is always on the time.
Such as the duration in each period is 10 seconds, and last vehicle is 5 seconds by the time in the 1st period, then first
It is 5 seconds that the bright light duration in a period, which crosses the duration in the 2nd period,；If all vehicles are all starting in the 2nd period
5 seconds in by monitoring point, then the bright light duration in the 2nd period is 10 seconds, and the bright light duration in each period is from this period
Initial time starts to calculate, i.e., after the bright light duration in the 1st period, is further continued for bright 5 seconds；If second period
Interior first car is 3 seconds by the time, last vehicle is 7 seconds by the time, then the bright light duration in the 2nd period is
7-5+10=12 seconds；If the only vehicle in second period is 7 seconds by and by the time, bright light duration is also
10 seconds, at this time due to by the 5th second when vehicle is also not detected, light compensating lamp has extinguished, therefore needs at the 7th second to reopen benefit
Light lamp, and keep bright light 3 seconds, until the 2nd end cycle；If the first car in second period is 6 seconds by the time,
Last vehicle is 9 seconds by the time, then 9-6+10=13 seconds a length of when the bright light in the 2nd period, i.e., the 6th second when opens light filling
Lamp then proceedes to bright 7 seconds.
Specific embodiment described herein is only an example for the spirit of the invention.Technology belonging to the present invention is led
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although vehicle detection module is used more herein, by terms such as time, bright light durations, being not precluded makes
With the possibility of other terms.The use of these items is only for more easily describe and explain the essence of the present invention；It
Be construed to any one of the additional limitations and all disagreed with spirit of that invention.
Claims (3)
1. a kind of monitoring device light filling lamp control method, which is characterized in that include the following steps：
S001, the detection of car statistics module from test point by vehicle condition, enable each car by time point of test point away from
When a length of vehicle from the start time point in place period passes through the time；
S002, when first car passes through, control light compensating lamp is opened, and light compensating lamp holding is always on a cycle, each period when
A length of T, count value K are set to 1；
If S003, the vehicle passing detection point in the 1st period not in addition to first car, close light compensating lamp, count
Value K resets to 0, return to step S001；If there is the vehicle passing detection point in addition to first car in 1st period, then into
Enter step S004；
S004, in the minute book period last time t is passed through by the vehicle of test point1(n), enable tt1=t1(n)；Setting the
The bright light duration △ t in 1 period1For T+tt1, i.e., the bright light duration in the 1st period crosses the when a length of tt in the 2nd period1；
Jump to step S008；
If the vehicle number passed through from test point in S005, k-th period is 0, light compensating lamp is closed, count value K is set to 0, returns
Return step S001；If the vehicle number passed through from test point in the k-th period is greater than or equal to 1, S006 is entered step；
S006, tt is both less than by the time when all vehicles in the k-th periodK-1, then the bright light duration △ t in this period are setK
For T, and jump to step S008；When the first car in the k-th period passes through time tK(1)Less than or equal to ttK-1And it is last
One vehicle passes through time tK(n)More than or equal to ttK-1, then the bright light duration △ t in this period are setKFor tK(n)-ttK-1+ T, and jump
Go to step S008；If all vehicles in the k-th period are both greater than tt by the timeK-1Then enter step S007；
S007, light filling lamp control module open light compensating lamp, if an only vehicle sets this week by test point in this period
The bright light duration △ t of phaseKFor T, and jump to step S008；If more than one vehicle passes through test point, note first in this period
Vehicle is t by the timeK(1), last vehicle is t by the timeK(n), then the bright light duration △ t in this period are setKFor
tK(n)-tK(1)+ T, and jump to step S008；
S008, light filling lamp control module control light compensating lamp according to the bright light duration in this period and carry out dynamic switch, cross next
The bright light duration in a period is denoted as ttK, count value K increases 1 at the end of this period, jumps to step S005.
2. a kind of monitoring device light filling lamp control method according to claim 1, which is characterized in that the duration in each period
T is determined by following formula：
T=L/v
In formula, L is the distance between vehicle detection module and light compensating lamp, and v is the average speed of vehicle.
3. a kind of monitoring device light filling lamp control method according to claim 1 or 2, which is characterized in that each period
Bright light duration is calculated from the start time point in this period；If it exceeds bright light duration is then opened according to new bright light duration into Mobile state
It closes, keeps light compensating lamp to be always on state if being less than bright light duration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082076.1A CN108282917B (en) | 2018-01-29 | 2018-01-29 | A kind of monitoring device light filling lamp control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810082076.1A CN108282917B (en) | 2018-01-29 | 2018-01-29 | A kind of monitoring device light filling lamp control method |
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| CN108282917A true CN108282917A (en) | 2018-07-13 |
| CN108282917B CN108282917B (en) | 2019-07-02 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897065A (en) * | 2005-07-11 | 2007-01-17 | 上海高德威智能交通系统有限公司 | System and method for automatically collecting vehicle information |
| CN101510359A (en) * | 2009-03-13 | 2009-08-19 | 上海新中新猎豹交通科技股份有限公司 | Device and method for automatically recording automobile of jump the red light |
| CN101593420A (en) * | 2008-05-30 | 2009-12-02 | 奥城同立科技开发（北京）有限公司 | Anti-glare traffic video control system |
| CN202855071U (en) * | 2012-09-22 | 2013-04-03 | 成都茵联安科技有限公司 | Intelligent high-definition toll-gate electronic police |
| CN103491313A (en) * | 2013-10-09 | 2014-01-01 | 安徽三联交通应用技术股份有限公司 | Fill light lamp automatic control method based on video analysis |
-
2018
- 2018-01-29 CN CN201810082076.1A patent/CN108282917B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897065A (en) * | 2005-07-11 | 2007-01-17 | 上海高德威智能交通系统有限公司 | System and method for automatically collecting vehicle information |
| CN101593420A (en) * | 2008-05-30 | 2009-12-02 | 奥城同立科技开发（北京）有限公司 | Anti-glare traffic video control system |
| CN101510359A (en) * | 2009-03-13 | 2009-08-19 | 上海新中新猎豹交通科技股份有限公司 | Device and method for automatically recording automobile of jump the red light |
| CN202855071U (en) * | 2012-09-22 | 2013-04-03 | 成都茵联安科技有限公司 | Intelligent high-definition toll-gate electronic police |
| CN103491313A (en) * | 2013-10-09 | 2014-01-01 | 安徽三联交通应用技术股份有限公司 | Fill light lamp automatic control method based on video analysis |
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| CN108282917B (en) | 2019-07-02 |
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