CN110708831B - Urban central lighting control method and system - Google Patents
Urban central lighting control method and system Download PDFInfo
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- CN110708831B CN110708831B CN201911129186.XA CN201911129186A CN110708831B CN 110708831 B CN110708831 B CN 110708831B CN 201911129186 A CN201911129186 A CN 201911129186A CN 110708831 B CN110708831 B CN 110708831B
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- 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
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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Abstract
The invention relates to the field of light control, and discloses a city central lighting control method, which comprises the following steps: acquiring current time information; determining an area needing light control at the current time point and light task information of the area according to the time information; controlling all lighting display units in the area according to the lighting task; acquiring the pedestrian flow condition and the power grid load condition in the current area; and adjusting the lighting display unit according to the people flow condition and the power grid load condition. The invention has the advantage of reducing resource waste.
Description
Technical Field
The invention relates to the technical field of light control, in particular to a method and a system for controlling urban central lighting.
Background
At present, along with the rapid development of economic society, city light is more and more concerned by people, and the city light not only plays a role in illumination, but also is closely related to social problems such as energy conservation, pollution reduction, safe driving, crime rate reduction and the like. The urban street lamps, landscape lamps and the like have wide distribution range and large energy consumption, and different areas in the same city have different requirements on light.
At present, urban lighting control is mainly divided according to areas, and at areas with more urban pedestrian volume, night scenes of cities can be decorated through lighting, so that the attractiveness of buildings is improved, or images are projected on the buildings for pedestrians to watch.
The above prior art solutions have the following drawbacks: the light on the building is generally only used for illuminating the building, the large screen on the building is also used for playing a predetermined video, and when the light is controlled, the light is controlled to be on or off, brightness and direction, but when the whole power system is abnormal or the scene of the scene is changed, the light cannot be adjusted in time, so that the situation that the whole light is not matched with the actual scene is caused, and the resource waste is caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a method and a system for controlling urban central lighting, which have the advantage of reducing resource waste.
In order to achieve the purpose, the invention provides the following technical scheme: a city central lighting control method, comprising:
acquiring current time information;
determining an area needing light control at the current time point and light task information of the area according to the time information;
controlling all lighting display units in the area according to the lighting task;
acquiring the pedestrian flow condition and the power grid load condition in the current area;
and adjusting the lighting display unit according to the people flow condition and the power grid load condition.
By adopting the technical scheme, the area needing to be subjected to light control and the light task information of the area are determined according to the current time point, the illumination display unit is controlled according to the light task information, the light control area and the light in every day are changed, when the light control is carried out, the flow of people and the power grid load condition in the current area are obtained, the illumination display unit is adjusted according to the flow of people and the power grid load condition, the work of the illumination display unit is changed along with the flow of people and the power grid load, the actual displayed light can meet the actual demands of people, the greater burden of the power grid is not easily caused, and the waste of light resources is reduced.
The invention is further configured to: the specific method for controlling all the lighting display units in the area according to the lighting task comprises the following steps:
acquiring coding information of all lighting display units in the area;
determining the control requirement of each lighting display unit according to the corresponding relation between the coded information and the control requirement;
and performing basic control on each lighting display unit according to the control requirement.
By adopting the technical scheme, the coding information of the illumination display unit is firstly acquired, the control requirement of each illumination display unit is determined according to the corresponding relation between the coding information and the control requirement, and then the illumination display unit is controlled according to the control requirement, so that the accurate control of each illumination display unit is realized.
The invention is further configured to: the specific method for adjusting the lighting display unit according to the people flow condition and the power grid load condition comprises the following steps:
acquiring a personnel convergence point and a people flow direction in an area;
determining centralized display points of the lighting display units according to the personnel convergence points;
changing the lighting task information of the lighting display units of the lighting display unit centralized display points and the non-lighting display unit centralized display points;
performing transfer operation of the illumination image between buildings according to the direction of people flow;
acquiring the power grid load condition of the current area;
changing the light task information of all lighting display units in the area according to the load condition of the power grid;
the moving end point of the illumination image is a building close to a people gathering point.
By adopting the technical scheme, the gathering points and the direction of people flow are determined firstly, and the gathering points are centralized display points of the illumination display units due to the fact that the number of people is large, so that the number of the controlled illumination display units is increased at the centralized display points of the illumination display units, the number of the controlled illumination display units is reduced at the centralized display points of the non-illumination display units, and reasonable utilization of energy is achieved; meanwhile, the transfer operation of the illumination images among buildings is carried out according to the direction of the people flow, so that the images move to a people convergence point along with the people flow, the light display at the position with less people flow is reduced while the guiding effect is played, and the resources are reasonably utilized; when the load condition of the power grid changes, the light task information of the lighting display unit is changed according to the load of the power grid, so that the lighting display unit is not prone to generate large pressure on the power grid, and the fact that the power grid can normally operate is determined.
The invention is further configured to: the specific method for transferring the illumination image between buildings according to the direction of people flow comprises the following steps:
acquiring the current people flow direction;
determining a building of which the next illumination image is transferred according to the direction of people flow;
outputting an image transfer signal to a next building;
after receiving the image transfer signal, changing the light task information of the lighting display units at two adjacent buildings;
and images formed by the light task information of the lighting display units at two adjacent buildings are matched with each other to form a finished lighting image.
By adopting the technical scheme, the next building is determined according to the direction of people flow, the image transfer signal is output to the next building through the change of the illumination image, the next building transmits the image transfer signal after receiving the image transfer signal, and at the moment, the judgment of which two buildings need to be subjected to image transfer can be made according to the image transfer signal and the image transfer signal, so that the light task information is changed, the image transfer is completed in a matching manner, and the image transfer is complete without affecting the appreciation.
The invention is further configured to: the specific method for changing the light task information of all the lighting display units in the area according to the power grid load condition comprises the following steps:
acquiring power loads generated by all lighting display units in the current area according to the current lighting task information;
comparing the current power load with the current power grid load condition;
if the current power load exceeds a preset safety threshold of the current power grid load, changing light task information;
and if the current power load does not exceed the preset safety threshold of the current power grid load, the current light task information is still adopted.
By adopting the technical scheme, the generated power load is obtained firstly, then the power load is compared with the power grid load, if the power load exceeds a preset safety threshold, the current power load generates larger pressure on the power grid, and at the moment, the light task needs to be changed; if the power load does not exceed the preset safety threshold, the current power load has no pressure on the power grid, and at the moment, the control is carried out according to the original light task, so that the influence on the power grid is reduced.
The invention is further configured to: further comprising:
acquiring the working states of all the lighting display units;
determining an illumination display unit with abnormal working state;
acquiring position information of an abnormal lighting display unit;
stopping distributing the light task information to the abnormal lighting display units;
and changing the light task information of the lighting display unit related to the lighting display unit.
By adopting the technical scheme, the working state of the lighting display unit is obtained, the abnormal lighting display unit is determined, then the lighting task information is not distributed to the abnormal lighting display unit any more, and the lighting task of the lighting display unit associated with the abnormal lighting display unit is changed, so that the lighting display unit is not easy to cause problems due to faults of some lighting display units, and meanwhile, the position information of the abnormal lighting display unit is also obtained, and further, the subsequent maintenance can be carried out.
The invention is further configured to: the specific method for acquiring the position information of the abnormal lighting display unit comprises the following steps:
acquiring coding information of an abnormal illumination display unit;
and determining the position information of the abnormal lighting display unit according to the corresponding relation between the coding information and the position information.
By adopting the technical scheme, the position information is determined according to the coded information, so that an abnormal lighting display unit can be found accurately, and the lighting display unit can be overhauled accurately.
In order to achieve the purpose, the invention provides the following technical scheme: a city central lighting control system comprising:
a time information acquisition unit for acquiring current time information;
the lighting control unit is used for determining a lighting control area and a lighting task according to the current time information and controlling a lighting display unit;
the pedestrian volume obtaining unit is used for obtaining pedestrian volume information in the area;
the power grid load obtaining unit is used for obtaining power grid load information in an area;
and the auxiliary control unit is used for carrying out auxiliary control on the illumination display unit according to the people flow information and the power grid load information in the region.
By adopting the technical scheme, the time information acquisition unit acquires current time information, the light control unit controls the illumination display unit according to the time information, the people flow acquisition unit and the power grid load acquisition unit acquire people flow information and power grid load information, and the auxiliary control unit performs auxiliary control on the illumination display unit through the people flow information and the power grid load information, so that the light is displayed well and resources are saved.
The invention is further configured to: the light management and control unit includes:
the coded information acquisition unit is used for acquiring coded information of all lighting display units in the area;
a task corresponding unit; for associating a control requirement with each coded information;
and the control unit is used for basically controlling each lighting display unit according to the control requirement.
By adopting the technical scheme, the coded information is associated with the control requirement, so that the coded information corresponds to one control requirement, or one coded information corresponds to one control requirement, and the accurate control of the lighting display unit is realized.
The invention is further configured to: the auxiliary control unit includes:
the information processing unit is used for receiving the people flow information and determining a people gathering point and a people flow direction;
the power grid load determining unit is used for receiving the power grid load information and the power utilization load information and determining a comparison result;
and the execution unit is used for changing the light task information according to the personnel convergence point, the people flow direction and the comparison result.
By adopting the technical scheme, the information processing unit acquires the personnel convergence point and the people flow direction, the power grid load determining unit determines the comparison result between the power grid load information and the power utilization load information, and the executing unit changes the light task according to the information, so that the light task meets the people flow condition and the power grid condition, the waste of electric energy is reduced, and the pressure on the power grid is reduced.
In conclusion, the invention has the following beneficial effects:
through obtaining time information, the people flow condition and the power grid load condition, different light task information is distributed according to different time nodes, different people flow conditions and different power grid load conditions, so that when light display is completed, the position of the light display meets the requirements of actual people, the light display is not prone to causing large pressure to the power grid, good light display is achieved, and waste of resources is reduced.
Drawings
FIG. 1 is a diagram illustrating the steps of the present invention;
FIG. 2 is a flow chart showing how the lighting display units are adjusted according to traffic conditions;
FIG. 3 is a flow chart showing how to adjust the lighting display units according to the load of the power grid
FIG. 4 is a flowchart showing steps of an abnormal state control;
fig. 5 is a block diagram of the system of the present invention.
Reference numerals: 1. a time information acquisition unit; 2. a light control unit; 21. an encoded information acquisition unit; 22. a task corresponding unit; 23. a control unit; 3. a pedestrian volume acquisition unit; 4. a power grid load obtaining unit; 5. an auxiliary control unit; 51. an information processing unit; 52. a power grid load determination unit; 53. and an execution unit.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the urban central lighting control method disclosed by the invention comprises the following steps:
acquiring current time information; the current time information includes year, month, day, hour, minute, and second.
Determining an area needing light control at the current time point and light task information of the area according to the time information; the light control area is formed by connecting a plurality of coordinate points, and the light task information comprises the on and off of the lamps, the playing content of the display screen and the orientation of the lamps.
Controlling all lighting display units in the area according to the lighting task; and controlling each illumination display unit in the area, if the illumination display unit is a lamp, controlling the illumination and the extinction and the orientation of the illumination display unit, and if the illumination display unit is a display screen, controlling the playing content of the illumination display unit.
Acquiring the pedestrian flow condition and the power grid load condition in the current area; and acquiring a person convergence point and a people flow direction in the region, and acquiring power grid load information in the region.
Referring to fig. 2 and 3, the lighting display unit is adjusted according to the people flow condition and the power grid load condition; and determining concentrated display points of the lighting display units according to the personnel convergence points, and changing the lighting task information of the lighting display units of the concentrated display points of the lighting units and the concentrated display points of the non-lighting units, thereby reducing the lighting display units of the concentrated display points of the non-lighting units.
And carrying out transfer operation of the illumination image according to the direction of people flow, wherein the transfer operation of the illumination image is mainly used for controlling the display screen, and the moving destination of the illumination image is a building close to a people gathering point. When the lighting images are moved, the people flow direction is firstly obtained, the next building for displaying the lighting images is determined according to the people flow direction, then an image transfer signal is sent to the building, the form of the image transfer signal can be the display of a certain image, for example, the brightness of a certain specific area in a flicker frame or the currently played image is added to the currently played image, so that the next building receives the image transfer signal, two buildings needing image transfer at the moment can be determined through the transmitting position and the receiving position of the image transfer signal, then the lighting task information of the lighting display units at the two adjacent buildings is changed, the images on the two buildings are synchronously changed, and the transfer effect is presented.
Acquiring the power load generated by the current lighting task, determining a preset safety threshold according to the load condition of a power grid, comparing the safety threshold with the power load, and controlling the lighting display unit in the area according to the current lighting task information if the power load does not exceed the safety threshold; and if the electricity load exceeds a safety threshold, changing the current lighting task information, wherein the electricity load does not exceed the safety threshold, the change of the lighting task information comprises reducing the brightness of the lighting display unit and reducing the quantity, for example, the brightness is reduced by a display screen, and the brightness is reduced by a lamp and the quantity is reduced.
Referring to fig. 4, further includes:
acquiring the working states of all the lighting display units; and acquiring the actual working state of the lighting display unit.
Determining an illumination display unit with abnormal working state; and comparing the actual working state of the lighting display unit with the light task information, thereby finding the lighting display unit with abnormal working state.
Acquiring position information of an abnormal lighting display unit; and acquiring the coding information of the abnormal illumination display unit, and searching the position information of the abnormal illumination display unit according to the current coding information according to the corresponding relation between the coding information and the position information.
Stopping distributing the light task information to the abnormal lighting display units; and the abnormal illumination display unit does not acquire the control signal any more, so that the work is stopped.
Changing light task information of a lighting display unit associated with the lighting display unit; due to the fact that the abnormal illumination display unit cannot work, the light task information is changed by the related illumination display unit, and the abnormal illumination display unit does not influence the work of other illumination display units.
The implementation principle of the embodiment is as follows: the method comprises the steps of firstly obtaining current time information, determining an area needing light control and light task information to be executed in the area according to the time information, and then controlling all lighting display units in the area according to the light task information, wherein each lighting display unit corresponds to one piece of light task information.
And then, acquiring a people flow rate condition and a power grid load condition, wherein the people flow rate condition is mainly to acquire a personnel convergence point and a people flow direction in an area, and after the information of the personnel convergence point and the people flow direction is acquired, controlling an illumination display unit according to the personnel convergence point and the people flow direction. And determining concentrated display points of the lighting display units according to the personnel convergence points, and changing the lighting task information of the lighting display units of the concentrated display points of the lighting units and the concentrated display points of the non-lighting units, thereby reducing the lighting display units of the concentrated display points of the non-lighting units. Determining the next building for displaying the lighting image according to the direction of people flow, and then sending an image transfer signal to the building, wherein the form of the image transfer signal can be the display of a certain image, for example, adding a flashing frame to the currently played image or increasing the brightness of a certain specific area in the currently played image, so that the next building receives the image transfer signal, two buildings needing image transfer at the moment can be determined through the transmitting part and the receiving part of the image transfer signal, and then the lighting task information of lighting display units at two adjacent buildings is changed, so that the images on the two buildings are synchronously changed, and the transfer effect is presented.
Determining a preset safety threshold value according to the load condition of a power grid, acquiring the power load generated by the current lighting task, comparing the safety threshold value with the power load, and if the power load does not exceed the safety threshold value, controlling the lighting display unit in the area according to the current lighting task information; and if the electricity load exceeds the safety threshold, the current light task information is changed, and the electricity load does not exceed the safety threshold.
And when the lighting display unit works, the abnormal lighting display unit is determined according to the working condition of the lighting display unit in time and the preset working condition, the position of the abnormal lighting display unit is determined, then the abnormal lighting display unit stops working, and the light task information is changed after the abnormal lighting display unit stops working, so that the associated lighting display unit changes the light task information, and the abnormal lighting display unit does not influence the working of other lighting display units.
Referring to fig. 5, the urban central lighting control method disclosed by the invention comprises the following steps:
the system comprises a time information acquisition unit 1, a light management and control unit 2, a people flow acquisition unit 3, a power grid load acquisition unit 4 and an auxiliary control unit 5. The light control unit 2 includes a code information obtaining unit 21, a task corresponding unit 22 and a control unit 23, the time information obtaining unit is electrically connected to the task corresponding unit 22, the task corresponding unit 22 is electrically connected to the control unit 23, and the code information obtaining unit 21 is electrically connected to the control unit 23. The auxiliary control unit 5 comprises an information processing unit 51, a power grid load determining unit 52 and an execution unit 53, wherein the information processing unit 51 and the power grid load determining unit 52 are electrically connected with the execution unit 53, the execution unit 53 is electrically connected with the control unit 23, the people flow acquiring unit 3 is electrically connected with the information processing unit 51, and the power grid load acquiring unit 4 is electrically connected with the power grid load determining unit 52.
When the lighting display units are controlled, the current time information of the time information acquisition unit 1 is acquired, the task corresponding unit 22 determines the area needing light control and the light task information to be executed in the area according to the time information, the coding information acquisition unit 21 acquires the coding information of the lighting display units, the control unit 23 acquires the data transmitted by the task corresponding unit 22 and the coding information acquisition unit 21, all the lighting display units in the area are controlled according to the light task information, and each lighting display unit corresponds to one piece of light task information.
And then the people flow rate obtaining unit 3 and the power grid load obtaining unit 4 obtain the people flow rate condition and the power grid load condition, wherein the people flow rate condition mainly obtains a personnel convergence point and a people flow direction in an area, and after the information of the personnel convergence point and the people flow direction is obtained, the lighting display unit is controlled according to the personnel convergence point and the people flow direction. The information processing unit 51 determines the centralized display points of the lighting display units according to the personnel convergence points, and the execution unit 53 changes the lighting task information of the lighting display units of the centralized display points of the lighting units and the centralized display points of the non-lighting units, so that the lighting display units of the centralized display points of the non-lighting units are reduced. Determining the next building for displaying the lighting image according to the direction of people flow, and then sending an image transfer signal to the building, wherein the form of the image transfer signal can be the display of a certain image, for example, adding a flashing frame to the currently played image or increasing the brightness of a certain specific area in the currently played image, so that the next building receives the image transfer signal, two buildings needing image transfer at the moment can be determined through the transmitting part and the receiving part of the image transfer signal, and then the lighting task information of lighting display units at two adjacent buildings is changed, so that the images on the two buildings are synchronously changed, and the transfer effect is presented.
The power grid load determining unit 52 determines a preset safety threshold value according to the power grid load condition, acquires the power load generated by the current lighting task, compares the safety threshold value with the power load, and if the power load does not exceed the safety threshold value, the executing unit 53 controls the lighting display unit in the area according to the current lighting task information; if the electrical load exceeds the safety threshold, the execution unit 53 changes the current lighting task information, and the electrical load does not exceed the safety threshold.
And when the lighting display unit works, the abnormal lighting display unit is determined according to the working condition of the lighting display unit in time and the preset working condition, the position of the abnormal lighting display unit is determined through the coding information unit, then the abnormal lighting display unit stops working, and the light task information is changed after the abnormal lighting display unit stops working, so that the associated lighting display unit changes the light task information, and the abnormal lighting display unit does not influence the working of other lighting display units.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. A method for controlling urban central lighting, comprising:
acquiring current time information;
determining an area needing light control at the current time point and light task information of the area according to the time information;
controlling all the lighting display units in the area according to the lighting task, wherein the specific method for controlling all the lighting display units in the area according to the lighting task comprises the following steps:
acquiring coding information of all lighting display units in the area;
determining the control requirement of each lighting display unit according to the corresponding relation between the coded information and the control requirement;
performing basic control on each lighting display unit according to the control requirement;
acquiring the pedestrian flow condition and the power grid load condition in the current area;
the method for adjusting the lighting display unit according to the pedestrian flow condition and the power grid load condition comprises the following steps:
acquiring a personnel convergence point and a people flow direction in an area;
determining centralized display points of the lighting display units according to the personnel convergence points; changing the lighting task information of the lighting display units of the lighting display unit centralized display points and the non-lighting display unit centralized display points;
performing transfer operation of the illumination image between buildings according to the direction of people flow;
acquiring the power grid load condition of the current area;
changing the light task information of all lighting display units in the area according to the load condition of the power grid;
the moving end point of the illumination image is a building close to a people gathering point.
2. The city central lighting control method according to claim 1, wherein the specific method for performing the operation of transferring the lighting image between buildings according to the direction of the stream of people comprises:
acquiring the current people flow direction;
determining a building of which the next illumination image is transferred according to the direction of people flow;
outputting an image transfer signal to a next building;
after receiving the image transfer signal, changing the light task information of the lighting display units at two adjacent buildings;
and images formed by the light task information of the lighting display units at two adjacent buildings are matched with each other to form a finished lighting image.
3. The city central lighting control method according to claim 1, wherein the specific method for changing light task information of all lighting exhibition units in the area according to the power grid load condition comprises:
acquiring power loads generated by all lighting display units in the current area according to the current lighting task information;
comparing the current power load with the current power grid load condition;
if the current power load exceeds a preset safety threshold of the current power grid load, changing light task information;
and if the current power load does not exceed the preset safety threshold of the current power grid load, the current light task information is still adopted.
4. The city central lighting control method according to claim 1, further comprising:
acquiring the working states of all the lighting display units;
determining an illumination display unit with abnormal working state;
acquiring position information of an abnormal lighting display unit;
stopping distributing the light task information to the abnormal lighting display units;
and changing the light task information of the lighting display unit related to the lighting display unit.
5. The city central lighting control method according to claim 4, wherein the specific method for obtaining the position information of the abnormal lighting exhibition unit comprises:
acquiring coding information of an abnormal illumination display unit;
and determining the position information of the abnormal lighting display unit according to the corresponding relation between the coding information and the position information.
6. A city central lighting control system, comprising:
a time information acquisition unit (1) for acquiring current time information;
the lighting control unit (2) is used for determining a lighting control area and a lighting task according to the current time information and controlling a lighting display unit;
the pedestrian volume obtaining unit (3) is used for obtaining pedestrian volume information in the area;
the power grid load obtaining unit (4) is used for obtaining power grid load information in an area;
the people flow direction acquiring unit is used for acquiring the people flow direction in the area and performing transfer operation of the illumination image among the buildings according to the people flow direction;
the centralized display point unit of the illumination display unit is used for determining the centralized display point of the illumination display unit according to the personnel convergence point and changing the light task information of the illumination display unit of the centralized display point of the illumination display unit and the centralized display point of the non-illumination display unit;
and the auxiliary control unit (5) is used for carrying out auxiliary control on the illumination display unit according to the people flow information and the power grid load information in the area, and the moving destination of the illumination image is a building close to the people gathering point.
7. Urban central lighting control system according to claim 6, characterized in that the light management and control unit (2) comprises:
the coded information acquisition unit (21) is used for acquiring the coded information of all the lighting display units in the area;
a task correspondence unit (22); for associating a control requirement with each coded information;
and the control unit (23) is used for basically controlling each lighting display unit according to the control requirement.
8. Urban central lighting control system according to claim 6, characterized in that the auxiliary control unit (5) comprises:
the information processing unit (51) is used for receiving the people flow information and determining a people gathering point and a people flow direction;
the power grid load determining unit (52) is used for receiving the power grid load information and the power utilization load information and determining a comparison result;
and the execution unit (53) is used for changing the light task information according to the personnel convergence point, the people flow direction and the comparison result.
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