CN110099499A - A kind of smart city traffic lighting control system - Google Patents
A kind of smart city traffic lighting control system Download PDFInfo
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- CN110099499A CN110099499A CN201910364214.XA CN201910364214A CN110099499A CN 110099499 A CN110099499 A CN 110099499A CN 201910364214 A CN201910364214 A CN 201910364214A CN 110099499 A CN110099499 A CN 110099499A
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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
- 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
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- 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
- H05B47/155—Coordinated control of two or more light sources
-
- 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
- H05B47/175—Controlling the light source by remote control
-
- 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 present invention discloses a kind of smart city traffic lighting control system, is related to smart city field, comprising: street lamp, Platform Server along on the first vehicle, first line comprising car-mounted terminal；Car-mounted terminal includes Bus- Speed Monitoring module, GPS module, headlamp parameter acquisition module and vehicle mounted communication module；Platform Server includes illumination data acquisition module, ambient lighting determination module, lights street lamp solution module, lights street lamp drive module；Street lamp solution module is lighted to include current location determination unit, originate and light street lamp determination unit, terminate to light street lamp determination unit.The present invention is acquired by speed, GPS location, the headlamp parameter to the first vehicle and is sent to server, after server judges that ambient lighting is excessively poor, it is obtained according to speed, GPS location, headlamp parameter and needs open street lamp on current road segment, and controlled street lamp and light；The present invention can effectively save street lamp electricity consumption, electricity consumption caused by avoiding unmanned road street lamp normally opened waste.
Description
Technical field
The present invention relates to smart city field, in particular to a kind of smart city traffic lighting control system.
Background technique
Smart city refers to using various information technologies or innovation idea, the composition system and service in city is integrated, to mention
The efficiency of resources untilization, Optimizing City management and service are risen, and improves civil plantation quality.
An important content of the road as urban construction, city illumination industry is able to fast development in recent years.So
Afterwards, conventional road lamp still has some problems in all respects, and exploitation smart city road lamp system becomes the hot spot studied at this stage.
In the prior art, road lighting is had the following deficiencies: the lesser suburbs of vehicle flowrate, and street lamp is in normally opened shape
State results in waste of resources.
Summary of the invention
In view of the above drawbacks of the prior art, technical problem to be solved by the invention is to provide a kind of friendships of smart city
Logical lighting control system, it is intended to light control by adjusting road traffic street lamp, realize the energy-saving and emission-reduction of street lamp, save society
Resource.
To achieve the above object, the present invention provides a kind of smart city traffic lighting control system, which is characterized in that described
System includes: the first vehicle comprising car-mounted terminal, street lamp, Platform Server along the line in first line；
The car-mounted terminal includes Bus- Speed Monitoring module, GPS module, headlamp parameter acquisition module and vehicle mounted communication mould
Block；The Bus- Speed Monitoring module, for detecting the first speed of first vehicle；The GPS module, for acquiring described
First GPS position information of one vehicle；The headlamp parameter acquisition module, for obtaining first vehicle first before shine
The first inclination angle that the direction of illumination and vehicle body of lamp are in obtains first headlamp of first vehicle relative to tire bottom
The headlamp height in portion；The vehicle mounted communication module, for by first speed, first GPS position information, described the
One inclination angle and headlamp height are sent to the Platform Server；
The Platform Server include illumination data acquisition module, ambient lighting determination module, light street lamp solve module,
Light street lamp drive module；
The illumination data acquisition module, for according to first GPS position information, to first GPS location
First street lamp of the first line that information matches sends illumination data acquisition instructions；
The first image capture module is provided at the top of street lamp along described；
The first image acquisition module, for acquiring first aerial image in the direction vertically upward of street lamp along described,
And first aerial image is sent to the Platform Server；
The ambient lighting determination module, the gray value G of each pixel for obtaining first aerial imagek,
According to the gray value G of each pixelk, solve average grayWherein, the k=1,2 ..., M, it is described
M is the pixel quantity of first aerial image, described
The street lamp solution module of lighting includes current location determination unit, originates and light street lamp determination unit, end point
Bright street lamp determination unit；
The current location determination unit is less than institute for the average gray in response to first aerial image
The first preset value is stated, according to first GPS position information, determines first route where first vehicle, is determined
Current location of first vehicle on first route；
Street lamp determination unit is lighted in the starting, is used for according to first inclination angle and the current location, described
Starting is chosen along in first line in street lamp and lights street lamp Lq；Street lamp contains at least two along in the first line
Illuminating street lamp Li, the i=1,2 ..., N, the q=1,2 ..., N, the N is illuminating street lamp total quantity, the starting point
The distance between the current location of bright street lamp and first vehicle DqMeet:
The DiFor each illuminating street lamp LiThe distance between described current location of first vehicle,It is rightIt is minimized, the θ is first inclination angle, θ > 0；
Street lamp determination unit is lighted in the end, for first speed according to first vehicle, described
Choosing in street lamp along on one route terminates to light street lamp Lj；The j=1,2 ..., N, the q < j, the end are lighted
The distance between the current location of street lamp and first vehicle DjMeet: | Dj- v (T+ τ) |=min (| Di-v(T+τ)
|)；min(|Di- v (T+ τ) |) be pair | Di- v (T+ τ) | it is minimized, the T is that default front and back vehicle brake is set aside some time, the τ
To preset network delay；
It is described to light street lamp drive module, for lighting street lamp L according to the startingqAnd street lamp L is lighted in the endj,
The first remote control commands are sent to the street lamp along the line, control the street lamp along the line upper bright street lamp L of initial point along the lineqTo institute
It states end and lights street lamp LjIt is each it is described along street lamp it is in the open state.
In the technical scheme, it is acquired and sends by speed, GPS location, the headlamp parameter to the first vehicle
To server, after server judges that ambient lighting is excessively poor, current road segment is obtained according to speed, GPS location, headlamp parameter
It is upper to need the street lamp opened, and control street lamp and light, be based on this, can effectively save street lamp electricity consumption, avoid unmanned road street lamp
The waste of electricity consumption caused by normally opened.Meanwhile in the technical scheme, according to the first inclination angle of headlamp, the current location of the first vehicle
And first speed, street lamp L is lighted in the end of street lamp along acquisitionjAnd street lamp L is lighted in startingq, effectively obtain what needs were lighted
On the one hand street lamp ensure that vehicling lighting requirement, while excessive street lamp also being avoided to light realization energy-saving and emission-reduction.In addition, the skill
Art scheme reduces the use of street lamp end sensor using long-range control and the vehicle-mounted scheme that tests the speed, and reduces hardware cost.
In a specific embodiment, the system also includes: be set to the photosensitive sensor of street lamp along described；
The photosensitive sensor, for acquiring the brightness of illumination on the road surface of the illuminating street lamp region and retaining opposite
The timestamp answered, and the brightness of illumination and the corresponding timestamp are sent to the Platform Server；
The Platform Server further includes memory module；The memory module, for the brightness of illumination and relatively
The timestamp answered is stored.
In the present embodiment, by storing to illumination data, analysis failure is consulted convenient for subsequent artefacts.
In a specific embodiment, the Platform Server further include: street lamp is by closedown module, for according to
First GPS position information closes the street lamp along the line in the first line passed through.
In the present embodiment, by carrying out street lamp closing to the region passed through, energy-saving and emission-reduction are realized.
In a specific embodiment, the street lamp along the line includes closed state, low-light (level) state and the opening state
State；
The Platform Server further include: the street lamp OFF state drive module；The street lamp OFF state drive module, for ringing
The average gray of first aerial image described in Ying Yu is greater than or equal to first preset value, to the street lamp hair along the line
The second remote control commands are sent, the control street lamp along the line is in close state or low-light (level) state.
In a specific embodiment, first headlamp includes the preceding photograph of dipped headlight, high beam and/or angle adjustable
Lamp.
In a specific embodiment, the default front and back vehicle brake is set aside some time T satisfaction: 2s≤T≤6s.
In a specific embodiment, first inclination angle is in the vehicle body by the central axes of first headlamp
Angle.
Based on above scheme, it ensure that vehicle driving brightness of illumination is sufficient.
In a specific embodiment, first inclination angle is first headlamp and first headlamp on ground
The angle that line and the vehicle body between upper farthest point of irradiation are in.
Based on the program, the light and street lamp light of headlamp are connected, excessively high without will cause brightness of illumination.
The beneficial effects of the present invention are: the present invention is carried out by speed, GPS location, the headlamp parameter to the first vehicle
Server is acquired and be sent to, after server judges that ambient lighting is excessively poor, is obtained according to speed, GPS location, headlamp parameter
Open street lamp is needed on current road segment out, and controls street lamp and lights, be based on this, can effectively save street lamp electricity consumption, avoid nothing
The waste of electricity consumption caused by human road street lamp is normally opened.Meanwhile the present invention is according to the first inclination angle of headlamp, the current location of the first vehicle
And first speed, street lamp L is lighted in the end of street lamp along acquisitionjAnd street lamp L is lighted in startingq, effectively obtain what needs were lighted
On the one hand street lamp ensure that vehicling lighting requirement, while excessive street lamp also being avoided to light realization energy-saving and emission-reduction.In addition, in table
Secretion reduces the use of street lamp end sensor using long-range control and the vehicle-mounted scheme that tests the speed, and reduces hardware cost.
Detailed description of the invention
Fig. 1 is a kind of system block diagram of smart city traffic lighting control system of the embodiment of the invention；
Fig. 2 is a kind of acquisition of smart city remote illumination data and brightness control that the embodiment of the invention provides
The flow diagram of method；
Fig. 3 is the structural block diagram lighted street lamp and solve module in a specific embodiment of the invention；
Fig. 4 is the setting figure that the first inclination angle in different instances is chosen.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figs 1-4, in first embodiment of the invention, provide a kind of acquisition of smart city remote illumination data with
Brightness control method, which is characterized in that the described method includes:
Step S1, car-mounted terminal detects the first speed of the first vehicle, acquires the first GPS location letter of first vehicle
Breath, the first inclination angle that the direction of illumination and vehicle body for obtaining the first headlamp of first vehicle are in, obtains first vehicle
Headlamp height of first headlamp relative to tire bottom；The car-mounted terminal is by first speed, described
First GPS position information, first inclination angle and headlamp height are sent to the Platform Server；
Step S2, the described Platform Server according to first GPS position information, to first GPS position information
First street lamp of the first line to match sends illumination data acquisition instructions；The first figure being set at the top of first street lamp
As acquisition sensor the first aerial image of acquisition, first aerial image is sent to Platform Server by first street lamp；
Wherein, the shooting direction of the first image acquisition sensor is straight up；
Step S3, the described Platform Server obtains the gray value G of each pixel of first aerial imagek, according to
The gray value G of each pixelk, solve average grayJudge the gray scale of first aerial image
Whether average value is less than the first preset value；If it is default that the average gray of first aerial image is less than described first
Value, thens follow the steps S4；Wherein, the k=1,2 ..., M, the M are the pixel quantity of first aerial image, institute
It states
Step S4, the described Platform Server determines the institute where first vehicle according to first GPS position information
The first route is stated, determines current location of first vehicle on first route；The Platform Server is according to
First inclination angle and the current location, in the first line along choose starting in street lamp and light street lamp Lq；It is described
Platform Server according to first speed of first vehicle, in the first line along choose in street lamp and terminate
Light street lamp Lj；Wherein, the street lamp along the line in the first line contains at least two illuminating street lamp Li, the i=1,2 ...,
N, the q=1,2 ..., N, the j=1,2 ..., N, the q < j, the N are illuminating street lamp total quantity；The starting point
The distance between the current location of bright street lamp and first vehicle DqMeet:
The distance between the current location of street lamp and first vehicle D is lighted in the endjMeet: | Dj- v (T+ τ) |=min
(|Di-v(T+τ)|)；The DiFor each illuminating street lamp LiBetween the current location of first vehicle away from
From,It is rightIt is minimized, min (| Di- v (T+ τ) |) be pair | Di- v (T+ τ) | it takes most
Small value, the T are that default front and back vehicle brake is set aside some time, and the τ is default network delay, and the q is first inclination angle, institute
State θ > 0；
Step S5, the described Platform Server lights street lamp L according to the startingqAnd street lamp L is lighted in the endj, to institute
Street lamp sends the first remote control commands, the upper bright street lamp L of initial point along the control street lamp along the line along statingqTo the knot
The bright street lamp L of beam spotjIt is each it is described along street lamp it is in the open state.
In the technical scheme, it is acquired and sends by speed, GPS location, the headlamp parameter to the first vehicle
To server, after server judges that ambient lighting is excessively poor, current road segment is obtained according to speed, GPS location, headlamp parameter
It is upper to need the street lamp opened, and control street lamp and light, be based on this, can effectively save street lamp electricity consumption, avoid unmanned road street lamp
The waste of electricity consumption caused by normally opened.Meanwhile in the technical scheme, according to the first inclination angle of headlamp, the current location of the first vehicle
And first speed, street lamp L is lighted in the end of street lamp along acquisitionjAnd street lamp L is lighted in startingq, effectively obtain what needs were lighted
On the one hand street lamp ensure that vehicling lighting requirement, while excessive street lamp also being avoided to light realization energy-saving and emission-reduction.In addition, the skill
Art scheme reduces the use of street lamp end sensor using long-range control and the vehicle-mounted scheme that tests the speed, and reduces hardware cost.
Avoid the method to knock into the back other than prejudging, most directly effective method is just to maintain safe driving in 3 seconds
Distance." 3 seconds rules " is initially developed by " the 2 seconds rules " of North America prevalence, it is according to person's development speed (time)+step on
Brake pedal starts to time+vehicle braking that braking is worked the time started to stopping, the safe separation distance obtained.Examination
Verify it is bright, the brake of speed 36km/h stop distance be 3.5m, and the brake of 54km/h stop distance be then increased to 13m, be far longer than us
The distance usually understood.So to keep 3 seconds safe space between motorcars when driving.If road surface slippery situation or sight are bad, Ying Jiang
Personal distance is increased to 6 seconds.
In the present embodiment, the default front and back vehicle brake is set aside some time T satisfaction: 2s≤T≤6s.
Typically, the default front and back vehicle brake T that sets aside some time is set as 3 seconds.
Optionally, in the present embodiment, central axes and the vehicle body institute of first inclination angle for first headlamp
The angle for being in, such as the angle theta in Fig. 41.Based on above scheme, it ensure that vehicle driving brightness of illumination is sufficient.
In an additional preferred embodiment, first inclination angle is first headlamp and first headlamp on ground
The angle that line and the vehicle body on face between farthest point of irradiation are in, such as the angle theta in Fig. 42.Based on the program, preceding photograph
The light and street lamp light of lamp are connected, excessively high without will cause brightness of illumination.
In first embodiment of the invention, the method also includes:
Photosensitive sensor acquires the brightness of illumination on the road surface of the illuminating street lamp region and retains the corresponding time
Stamp, is sent to the Platform Server for the brightness of illumination and the corresponding timestamp；The Platform Server pair
The brightness of illumination and the corresponding timestamp are stored.
In the present embodiment, by storing to illumination data, analysis failure is consulted convenient for subsequent artefacts.
In first embodiment of the invention, the method also includes:
Step S6, it according to first GPS position information, closes along described in the first line passed through
Street lamp.
In the present embodiment, by carrying out street lamp closing to the region passed through, energy-saving and emission-reduction are realized.
In first embodiment of the invention, first headlamp includes dipped headlight, high beam and/or angle adjustable
Headlamp.
In first embodiment of the invention, it is described along street lamp include closed state, low-light (level) state and described open
Open state；The step S3 further include:
If the average gray of first aerial image is greater than or equal to first preset value, the platform
Server sends the second remote control commands to the street lamp along the line, and the control street lamp along the line is in close state or low-light (level)
State.
As shown in Figs 1-4, in second embodiment of the invention, a kind of smart city traffic lighting control system is provided,
It is characterized in that, the system comprises: street lamp, Platform Server along on the first vehicle, first line comprising car-mounted terminal；
The car-mounted terminal includes Bus- Speed Monitoring module, GPS module, headlamp parameter acquisition module and vehicle mounted communication mould
Block；The Bus- Speed Monitoring module, for detecting the first speed of first vehicle；The GPS module, for acquiring described
First GPS position information of one vehicle；The headlamp parameter acquisition module, for obtaining first vehicle first before shine
The first inclination angle that the direction of illumination and vehicle body of lamp are in obtains first headlamp of first vehicle relative to tire bottom
The headlamp height in portion；The vehicle mounted communication module, for by first speed, first GPS position information, described the
One inclination angle and headlamp height are sent to the Platform Server；
The Platform Server include illumination data acquisition module, ambient lighting determination module, light street lamp solve module,
Light street lamp drive module；
The illumination data acquisition module, for according to first GPS position information, to first GPS location
First street lamp of the first line that information matches sends illumination data acquisition instructions；
The first image capture module is provided at the top of street lamp along described；
The first image acquisition module, for acquiring first aerial image in the direction vertically upward of street lamp along described,
And first aerial image is sent to the Platform Server；
The ambient lighting determination module, the gray value G of each pixel for obtaining first aerial imagek,
According to the gray value G of each pixelk, solve average grayWherein, the k=1,2 ..., M, it is described
M is the pixel quantity of first aerial image, described
The street lamp solution module of lighting includes current location determination unit, originates and light street lamp determination unit, end point
Bright street lamp determination unit；
The current location determination unit is less than institute for the average gray in response to first aerial image
The first preset value is stated, according to first GPS position information, determines first route where first vehicle, is determined
Current location of first vehicle on first route；
Street lamp determination unit is lighted in the starting, is used for according to first inclination angle and the current location, described
Starting is chosen along in first line in street lamp and lights street lamp Lq；Street lamp contains at least two along in the first line
Illuminating street lamp Li, the i=1,2 ..., N, the q=1,2 ..., N, the N is illuminating street lamp total quantity, the starting point
The distance between the current location of bright street lamp and first vehicle DqMeet:
The DiFor each illuminating street lamp LiThe distance between described current location of first vehicle,It is rightIt is minimized, the θ is first inclination angle, θ > 0；
Street lamp determination unit is lighted in the end, for first speed according to first vehicle, described
Choosing in street lamp along on one route terminates to light street lamp Lj；The j=1,2 ..., N, the q < j, the end are lighted
The distance between the current location of street lamp and first vehicle DjMeet: | Dj- v (T+ τ) |=min (| Di-v(T+τ)
|)；min(|Di- v (T+ τ) |) be pair | Di- v (T+ τ) | it is minimized, the T is that default front and back vehicle brake is set aside some time, the τ
To preset network delay；
It is described to light street lamp drive module, for lighting street lamp L according to the startingqAnd street lamp L is lighted in the endj,
The first remote control commands are sent to the street lamp along the line, control the street lamp along the line upper bright street lamp L of initial point along the lineqTo institute
It states end and lights street lamp LjIt is each it is described along street lamp it is in the open state.
The present embodiment is acquired by speed, GPS location, the headlamp parameter to the first vehicle and is sent to service
Device obtains needs on current road segment according to speed, GPS location, headlamp parameter after server judges that ambient lighting is excessively poor
The street lamp of opening, and control street lamp and light is based on this, can effectively save street lamp electricity consumption, avoid unmanned road street lamp is normally opened from making
At electricity consumption waste.Meanwhile in the technical scheme, according to the first inclination angle of headlamp, the current location of the first vehicle and
One speed, street lamp L is lighted in the end of street lamp along acquisitionjAnd street lamp L is lighted in startingq, the street lamp for needing to light effectively is obtained,
On the one hand it ensure that vehicling lighting requirement, while excessive street lamp also being avoided to light realization energy-saving and emission-reduction.In addition, the technical solution
Using long-range control and the vehicle-mounted scheme that tests the speed, the use of street lamp end sensor is reduced, reduces hardware cost.
In second embodiment of the invention, the system also includes: it is set to the photosensitive sensor of street lamp along described；
The photosensitive sensor, for acquiring the brightness of illumination on the road surface of the illuminating street lamp region and retaining opposite
The timestamp answered, and the brightness of illumination and the corresponding timestamp are sent to the Platform Server；
The Platform Server further includes memory module；The memory module, for the brightness of illumination and relatively
The timestamp answered is stored.
In the present embodiment, by storing to illumination data, analysis failure is consulted convenient for subsequent artefacts.
In second embodiment of the invention, the Platform Server further include: street lamp is used for basis by closedown module
First GPS position information closes the street lamp along the line in the first line passed through.
In the present embodiment, by carrying out street lamp closing to the region passed through, energy-saving and emission-reduction are realized.
Preferably, in the present embodiment, the street lamp along the line includes closed state, low-light (level) state and the opening state
State；
The Platform Server further include: the street lamp OFF state drive module；The street lamp OFF state drive module, for ringing
The average gray of first aerial image described in Ying Yu is greater than or equal to first preset value, to the street lamp hair along the line
The second remote control commands are sent, the control street lamp along the line is in close state or low-light (level) state.
Optionally, first headlamp includes the headlamp of dipped headlight, high beam and/or angle adjustable.
Avoid the method to knock into the back other than prejudging, most directly effective method is just to maintain safe driving in 3 seconds
Distance." 3 seconds rules " is initially developed by " the 2 seconds rules " of North America prevalence, it is according to person's development speed (time)+step on
Brake pedal starts to time+vehicle braking that braking is worked the time started to stopping, the safe separation distance obtained.Examination
Verify it is bright, the brake of speed 36km/h stop distance be 3.5m, and the brake of 54km/h stop distance be then increased to 13m, be far longer than us
The distance usually understood.So to keep 3 seconds safe space between motorcars when driving.If road surface slippery situation or sight are bad, Ying Jiang
Personal distance is increased to 6 seconds.
In second embodiment of the invention, the default front and back vehicle brake is set aside some time T satisfaction: 2s≤T≤6s.
Typically, the default front and back vehicle brake T that sets aside some time is set as 3 seconds.
Optionally, in the present embodiment, central axes and the vehicle body institute of first inclination angle for first headlamp
The angle for being in, such as the angle theta in Fig. 41。
Based on above scheme, it ensure that vehicle driving brightness of illumination is sufficient.
Optionally, in another embodiment, first inclination angle is that first headlamp and first headlamp exist
The angle that line and the vehicle body on ground between farthest point of irradiation are in, such as the angle theta in Fig. 42。
Based on the program, the light and street lamp light of headlamp are connected, excessively high without will cause brightness of illumination.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (8)
1. a kind of smart city traffic lighting control system, which is characterized in that the system comprises: first comprising car-mounted terminal
Street lamp, Platform Server along on vehicle, first line；
The car-mounted terminal includes Bus- Speed Monitoring module, GPS module, headlamp parameter acquisition module and vehicle mounted communication module；
The Bus- Speed Monitoring module, for detecting the first speed of first vehicle；The GPS module, for acquiring described first
First GPS position information of vehicle；The headlamp parameter acquisition module, for obtaining the first headlamp of first vehicle
Direction of illumination and vehicle body the first inclination angle for being in, obtain first headlamp of first vehicle relative to tire bottom
Headlamp height；The vehicle mounted communication module is used for first speed, first GPS position information, described first
Inclination angle and headlamp height are sent to the Platform Server；
The Platform Server includes illumination data acquisition module, ambient lighting determination module, lights street lamp solution module, lights
Street lamp drive module；
The illumination data acquisition module, for according to first GPS position information, to first GPS position information
First street lamp of the first line to match sends illumination data acquisition instructions；
The first image capture module is provided at the top of street lamp along described；
The first image acquisition module, for acquiring first aerial image in the direction vertically upward of street lamp along described, and will
First aerial image is sent to the Platform Server；
The ambient lighting determination module, the gray value G of each pixel for obtaining first aerial imagek, according to each
The gray value G of a pixelk, solve average grayWherein, the k=1,2 ..., M, the M are institute
The pixel quantity of the first aerial image is stated, it is described
The street lamp solution module of lighting includes current location determination unit, originates and light street lamp determination unit, terminate to light road
Lamp determination unit；
The current location determination unit is less than described for the average gray in response to first aerial image
One preset value determines first route where first vehicle according to first GPS position information, determine described in
Current location of first vehicle on first route；
Street lamp determination unit is lighted in the starting, is used for according to first inclination angle and the current location, described first
Starting is chosen along on route in street lamp and lights street lamp Lq；Street lamp contains at least two illumination along in the first line
Street lamp Li, the i=1,2 ..., N, the q=1,2 ..., N, the N is illuminating street lamp total quantity, and road is lighted in the starting
The distance between the current location of lamp and first vehicle DqMeet:
The DiFor each illuminating street lamp LiThe distance between described current location of first vehicle,It is rightIt is minimized, the θ is first inclination angle, θ > 0；
Street lamp determination unit is lighted in the end, for first speed according to first vehicle, in the First Line
Choosing in street lamp along road terminates to light street lamp Lj；Street lamp is lighted in the j=1,2 ..., N, the q < j, the end
The distance between the current location of first vehicle DjMeet: | Dj- v (T+ τ) |=min (| Di-v(T+τ)|)；min
(|Di- v (T+ τ) |) be pair | Di- v (T+ τ) | it is minimized, the T is that default front and back vehicle brake is set aside some time, and the τ is default
Network delay；
It is described to light street lamp drive module, for lighting street lamp L according to the startingqAnd street lamp L is lighted in the endj, to institute
Street lamp sends the first remote control commands, the upper bright street lamp L of initial point along the control street lamp along the line along statingqTo the knot
The bright street lamp L of beam spotjIt is each it is described along street lamp it is in the open state.
2. a kind of smart city traffic lighting control system as described in claim 1, which is characterized in that the system also includes:
It is set to the photosensitive sensor of street lamp along described；
The photosensitive sensor, for acquiring the brightness of illumination on the road surface of the illuminating street lamp region and retaining corresponding
Timestamp, and the brightness of illumination and the corresponding timestamp are sent to the Platform Server；
The Platform Server further includes memory module；The memory module, for the brightness of illumination and corresponding
The timestamp is stored.
3. a kind of smart city traffic lighting control system as described in claim 1, which is characterized in that the Platform Server is also
It include: street lamp by closedown module, for closing the first line passed through according to first GPS position information
On it is described along street lamp.
4. a kind of smart city traffic lighting control system as described in claim 1, which is characterized in that street lamp includes along described
Closed state, low-light (level) state and the open state；
The Platform Server further include: the street lamp OFF state drive module；The street lamp OFF state drive module, in response to
The average gray of first aerial image is greater than or equal to first preset value, sends the to street lamp along described
Two remote control commands, the control street lamp along the line is in close state or low-light (level) state.
5. a kind of smart city traffic lighting control system as described in claim 1, which is characterized in that the first headlamp packet
Include the headlamp of dipped headlight, high beam and/or angle adjustable.
6. a kind of smart city traffic lighting control system as described in claim 1, which is characterized in that the default front and back vehicle is stopped
Vehicle set aside some time T satisfaction: 2s≤T≤6s.
7. a kind of smart city traffic lighting control system as described in claim 1, which is characterized in that first inclination angle is institute
State the central axes of the first headlamp and angle that the vehicle body is in.
8. a kind of smart city traffic lighting control system as described in claim 1, which is characterized in that first inclination angle is institute
State the angle that the line and the vehicle body of the first headlamp and first headlamp on the ground between farthest point of irradiation are in.
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| CN112483986A (en) * | 2021-01-15 | 2021-03-12 | 广西广拓新能源科技有限公司 | Intelligent control method for solar street lamp |
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| CN113670317A (en) * | 2021-06-21 | 2021-11-19 | 福建睿思特科技股份有限公司 | Smart city security protection intelligent lamp pole control method |
| CN114531763A (en) * | 2022-01-21 | 2022-05-24 | 杭州北斗时空研究院 | Outdoor intelligent lamp pole switching method and system based on GNSS |
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| CN114531763A (en) * | 2022-01-21 | 2022-05-24 | 杭州北斗时空研究院 | Outdoor intelligent lamp pole switching method and system based on GNSS |
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