CN110459068A - LED traffic light control system - Google Patents
LED traffic light control system Download PDFInfo
- Publication number
- CN110459068A CN110459068A CN201910584554.3A CN201910584554A CN110459068A CN 110459068 A CN110459068 A CN 110459068A CN 201910584554 A CN201910584554 A CN 201910584554A CN 110459068 A CN110459068 A CN 110459068A
- Authority
- CN
- China
- Prior art keywords
- light
- emitting component
- traffic lights
- power signal
- controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/085—Controlling traffic signals using a free-running cyclic timer
-
- 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
Abstract
A kind of traffic lights and a kind of method that traffic lights is controlled based on power signal are provided.Traffic lights can include controller and light-emitting component.When a plurality of light-emitting elements include in traffic lights, each light-emitting component is coupled with independent control.Each controller can be configured to include the predetermined luminous timing sequence for corresponding to light-emitting component.When power signal is supplied to traffic lights, each controller determines power signal characteristic, the frequency of such as power signal or period, and the light output of light-emitting component is controlled based on power signal characteristic and luminous timing sequence.A plurality of light-emitting elements, which are able to use, is applied to the power signal of traffic lights to synchronize.
Description
The application is the divisional application of following application for a patent for invention:
Application number: 201380053036.X；The applying date: on October 11st, 2013；Denomination of invention: LED traffic light control system.
Technical field
This disclosure relates to traffic lights, and systems controlled based on power signal traffic lights system and
Method.
Background technique
Traffic lights can control the flow of traffic or provide the signaling arrangement of the alarm or instruction of traffic.Traditionally, handing over
Logical lamp uses incandescent lamp as light source.But light emitting diode (LED) due to reduced energy consumption and more long life just
Replace incandescent lamp.
Conventionally, LED traffic lights is controlled according to the identical mode of incandescent traffic lamp.For example, individually control box is in outside
It is arranged to traffic lights, and is coupled with all lamps of traffic lights.Control box can be supplied to traffic lights by turning on and off
The power signal of lamp controls the timing of lamp.It is this configuration increase traffic light control system complexity because add-on assemble and
Control method is necessary to multiple lamps in synchronous transport lamp.
Accordingly, there exist the need of the system and method for that can improve the Timing Synchronization between multiple lamps in traffic lights
It wants.
Summary of the invention
The disclosure is for the improvement system and method for controlling traffic lights based on power signal.The reality of system and method
It applies example and the one or more difference and/or advantage for being better than existing system and method is provided.
Embodiment of the disclosure provides the system and method that traffic lights is controlled based on power signal.With wherein traffic lights
The control of timing sequence is performed existing system difference far from traffic lights, and the embodiment of traffic lights as described herein can include
The controller coupled with the light-emitting component in traffic lights.Power signal is capable of providing to traffic lights, and controller can be based on
Power signal determines power signal characteristic.Power signal characteristic can be used to control the luminous timing of light-emitting component.By disappearing
Except independence and tele-control system, the feature of embodiment of the disclosure can be to realize less system with more compact circuit
Device more acurrate can be controlled luminous with synchronous transport lamp.
A kind of traffic lights is directed in terms of one demonstration of the disclosure.The traffic lights can include being configured to shining for transmitting light
Element and the controller being arranged in inside traffic lights.The controller can be coupled with light-emitting component.Controller can be configured to
The luminous timing of light-emitting component is controlled based on the power signal for being supplied to traffic lights.
Another demonstration aspect of the disclosure is for a kind of method for controlling traffic lights.This method can include receiving to friendship
The power signal of logical lamp power supply；The luminous timing of traffic lights is determined based on power signal；And be arranged in use traffic lights
Controller controls light-emitting component, to emit light according to luminous timing.
A kind of traffic lights is directed in terms of the another demonstration of the disclosure.The traffic lights can include being configured to emit the multiple of light
Light-emitting component and the multiple controllers being arranged in inside traffic lights.Each controller can be coupled to light-emitting component.Multiple controls
Device can be configured to control the luminous timing of light-emitting component based on the power signal for being supplied to traffic lights.
By referring to the following description and the appended claims book, it will more fully understand these and other spies of the invention
Sign, aspect and advantage.In conjunction in the present note and constituting the attached drawing of its component part and show the embodiment of the present invention, and even
With description together for illustrating the principle of the present invention.
Detailed description of the invention
Referring now briefly to attached drawing, attached drawing includes:
Fig. 1 shows the exemplary traffic lamp of the example embodiment according to the disclosure；
Fig. 2 shows the block diagrams of the exemplary traffic lamp control system of the example embodiment according to the disclosure；
Fig. 3 shows the block diagram of the exemplary traffic lamp control system of the example embodiment according to the disclosure；
Fig. 4 shows the flow chart of the example embodiment according to the disclosure, the demonstration methods for controlling traffic lights；And
Fig. 5 shows the flow chart of the example embodiment according to the disclosure, the demonstration methods for controlling traffic lights.
Specific embodiment
It reference will now be made in detail to the embodiment of the present invention now, one or more example be shown in attached drawing.Each example conduct pair
Of the invention illustrates and nots limit to provide.In fact, those skilled in the art knows in which will be clear that, it can be to this hair
It is bright to carry out various modifications and change, without departing from the spirit and scope of the present invention.For example, as shown in one embodiment or institute
The feature stated can be used together with another embodiment, to generate another embodiment.It is fallen thus, it is expected that the present invention covers
Enter this kind of modifications and changes within the scope of the appended claims and its equivalent.
In general, the disclosure is directed to a kind of traffic lights and a kind of method that traffic lights is controlled based on power signal.
Traffic lights can include controller and light-emitting component.When a plurality of light-emitting elements include in traffic lights, each light-emitting component can
It is coupled with independent control.Each controller can be configured to include the predetermined luminous timing sequence for corresponding to light-emitting component.Work as power
When signal is supplied to traffic lights, each controller determines power signal characteristic, the frequency of such as power signal or period, and is based on
Power signal characteristic and luminous timing sequence control the light output of light-emitting component.A plurality of light-emitting elements, which are able to use, is applied to friendship
Lead to the power signal of lamp to synchronize.
Fig. 1 shows the exemplary traffic lamp 100 of the example embodiment according to the disclosure.Although traffic lights 100 includes three
Light-emitting component, but any amount of light-emitting component of any configuration can be included in traffic lights.For example, traffic lights can be
Flasher comprising two light-emitting components being arranged side-by-side, so that light-emitting component alternately emits light.
Referring to Fig.1, traffic lights 100 can include the first light-emitting component 110,120 and of the second light-emitting component in shell 140
Third light-emitting component 130.Light-emitting component 110,120,130, which can be controlled into, is based on luminous timing sequence corresponding with each light-emitting component
Column are to emit light.
Luminous timing sequence can include that the sequence for emitting light in whole traffic lights 100 is formed in wherein each light-emitting component control
Arrange corresponding information.Luminous timing sequence can be programmed into each controller (it is coupled with light-emitting component 110,120,130)
Predetermined sequence.In one aspect, when controller according to luminous timing sequence controlling light-emitting component, light-emitting component is lighted,
So that the luminous timing of creation light-emitting component.When a plurality of light-emitting elements are realized in single device, according to device, such as traffic
The luminous timing of total luminous timing sequence of lamp 100 can be synchronized based on power signal.In other words, each controller is able to use
Power signal, the independent timing that shines that corresponding light-emitting component is determined based on luminous timing sequence.Then, all light-emitting components
Lighting can synchronize, so that light-emitting component is lighted according to luminous timing sequence, wherein all light-emitting components are based on power signal
Start the timing sequence that accordingly shines in same reference points.
Each light-emitting component, which can be controlled into, individually to be lighted or a plurality of light-emitting elements can be controlled into while be lighted.In addition,
Timing sequence can include emitting the related information of the time span of light during the sequence with each light-emitting component.For example, when handing over
Logical lamp 100 is timing sequence energy when including the traffic lights of red light-emitting component, yellow emitting light elements and green luminousing element
Enough with 1 minute period, wherein green luminousing element is lighted first 25 seconds, next point glassy yellow or amber light-emitting elements 5
Second, and thirdly shiny red light-emitting component 30 seconds.
Alternatively, when traffic lights 100 is flash lamp, timing sequence can have 2 seconds periods, wherein one can be lighted
A light-emitting component 1 second, and the second light-emitting component can be lighted 1 second.
The above-mentioned period only to facilitate explanation and luminous timing sequence time cycle can be selected as any time
Period.In addition, the timing sequence that shines can predefine before the installation of traffic lights 100.
Traffic lights 100 can include any color light emitting elements.In addition, traffic lights 100 can include with illuminatedsymbol or
Character, such as pavement symbol or the corresponding light-emitting component of arrow.When traffic lights 100 includes arrow, in addition to normal traffic is believed
Except number operation, timing sequence is it can also considered that advanced or lag turing indicator.
Although traffic lights 100 is shown as with arranged perpendicular, traffic lights 100 can have any configuration, including vertical
The light-emitting component side by side of configuration or horizontal arrangement.
As described above, in one implementation, traffic lights 100 can be that the traffic in an only direction of offer traffic indicates
Simple single-sided device.In another realization, traffic lights 100 can also include two groups of all directions of the traffic in single device
Or more group light-emitting component.For example, traffic lights 100 can be multi-panel, such as four sides device, to provide the friendship of the traffic of all directions
Logical instruction.In this embodiment, all light-emitting components for including in traffic lights 100 are connectable to single power supply signal.This
All light-emitting components are allowed to be deviated with some to synchronize, so that the light-emitting component greening chrominance signal in a direction, and other direction
Those of the rubescent chrominance signal of light-emitting component.In a further implementation, multiple traffic lights 100 can couple, so that single AC power letter
Number all traffic lights 100 are supplied to, wherein all light-emitting components as described above and as further discussed below synchronize.
Fig. 2 shows the block diagrams of the exemplary traffic lamp control system 400 of the example embodiment according to the disclosure.External power supply
410 can couple with the controller 430 for the traffic lights 420 for including at least one light-emitting component 440.
Controller 430 can monitor the power signal characteristic of power signal, the frequency of such as AC signal or period.Power letter
Number characteristic can be used to determine based on luminous timing sequence it is luminous periodically.Controller 430 can based on power signal characteristic and
Luminous timing sequence is luminous in light-emitting component 440 to initiate.After the light period past, controller 430 can deactivate hair
Shining in optical element 440.Controller 430 can monitor shining and the power letter during the non-luminescent period for luminous timing sequence
Number feature.
Controller 430 can be coupled to light-emitting component 440, and be configured to based on luminous timing sequence and power signal come
Control shining for light-emitting component 440.Controller 430 and light-emitting component 440 can be configured to single printed circuit board.Alternatively,
Controller 430 can be located in any position of traffic lights 420, as long as it is coupled with light-emitting component 440.
Controller 430 can include microprocessor, can have memory and microprocessor, CPU etc., for example, can operate with
Operation controls the general or specialized microprocessor of associated programming instruction or microcontroller code with traffic light systems.Memory can table
Show random access memory (such as DRAM) or read-only memory (such as ROM or FLASH).In one embodiment, it handles
The programming instruction that device can store in run memory.If controller 220 includes memory, memory can be and handle
The independent component of device, or can be onboard comprising in the processor.
Controller 430 can control the luminous timing of light-emitting component 230 based on luminous timing sequence and power signal.Function
Rate signal can be the AC signal with frequency.For example, AC signal can have the frequency of 50 Hz or 60 Hz.
Controller 430 can monitor power signal, and determine power signal characteristic.Power signal characteristic can be power
The frequency of signal or period.Using power signal characteristic, controller 430 can determine the luminous timing of light-emitting component 440.At this
In one embodiment of invention, controller 430 can be such that the counter of AC power signal respectively recycled is incremented by.When counter reaches
When predetermined quantity corresponding with luminous timing sequence, controller 430 modifies shining for light-emitting component 440.It shines when using multiple
When element, each controller keeps counter during the entire timing sequence that shines.
For example, as described above, the luminous timing sequence of exemplary traffic signal lamp includes lighting green luminousing element 25 seconds,
Yellow or amber light-emitting elements are lighted 5 seconds, and red light-emitting component is lighted 30 seconds.When power signal is supplied to traffic
When signal lamp, controller can initiate lighting for green luminousing element.Controller can monitor power supply, and pass counter
Increase, until counter is equal to 25 seconds.During this time, controller corresponding with yellow and red light-emitting component also makes to count
Number device is incremented by, to monitor elapsed time interval.Then, the controller of green luminousing element can be interrupted and be lighted, and yellow is sent out
The controller of optical element can initiate to light.After counter reaches interval corresponding with 5 second period, yellow emitting light elements
Controller can be interrupted and be lighted, and the controller of red light-emitting component can initiate lighting for 30 second time cycle.
Light-emitting component 440 can include one or more light emitting diodes.Pass through in addition, controller 430 can also compensate
The luminous degradation of the service life of light-emitting component 440.For example, controller can measure the temperature and use of light-emitting component, and
Compensation needed for keeping uniform luminance grade is determined using those values.
Fig. 3 shows the block diagram of the exemplary traffic lamp control system 500 according to another example embodiment of the disclosure.Traffic
Lamp control system 500 includes a plurality of light-emitting elements 540,541 and 542.Each light-emitting component is coupled to the corresponding control in traffic lights 52
Device 530,531,532 processed.External power supply 510 is coupled with controller 530,531 and 532.Each controller 530,531,532 monitors function
Rate characteristics of signals, with the light period of each light-emitting component 540,541 and 542 of determination.When all controllers 530,531,532 monitor
It, being capable of synchronous light-emitting timing sequence when power signal characteristic.
Fig. 4 shows the flow chart of the demonstration methods 600 of the example embodiment according to the disclosure.Will referring to Fig.1 shown in
Exemplary traffic lamp discusses method 600.But method 600 can be realized with any appropriate traffic light control system.In addition,
Although Fig. 4 is shown with discussion according to step performed by particular order for the ease of illustration, method described herein is simultaneously
It is not limited to any particular order or arrangement.Using provided in this article disclosed it will be appreciated by those skilled in the art that square
The various steps of method can be omitted in various manners, rearrange, combine and/or be adapted to.
Controller in traffic lights can receive power signal in (610).In (620), controller can be believed based on power
Number determine power signal characteristic.Controller can determine luminous timing and the hair of light-emitting component of light-emitting component in (630)
Light timing can be controlled in (640) based on power signal characteristic.
Fig. 5 shows the flow chart of the demonstration methods 700 of the example embodiment according to the disclosure.Will referring to Fig.1 shown in
Exemplary traffic lamp discusses method 700.But method 700 can be realized with any appropriate traffic light control system.In addition,
Although Fig. 5 is shown with discussion according to step performed by particular order for the ease of illustration, method described herein is simultaneously
It is not limited to any particular order or arrangement.Using provided in this article disclosed it will be appreciated by those skilled in the art that square
The various steps of method can be omitted in various manners, rearrange, combine and/or be adapted to.
When traffic lights includes a plurality of light-emitting elements, each light-emitting component can correspond to independent control.Each controller energy
It is enough to receive power signal in (710), and power signal characteristic is determined based on power signal in (720).It can be true in (730)
The luminous timing of fixed each light-emitting component, and the synchronization between all light-emitting components can be determined in (740).Each controller can
The luminous timing of corresponding light-emitting component is controlled based on power signal characteristic in (750).
This written description discloses the present invention using including the example of optimal mode, and also makes those skilled in the art
It can implement the present invention, including make and use any device or system, and execute any combination method.Patent of the invention
Range is defined by claims, and may include other examples that those skilled in the art expects.If this kind of other
Example include with the identical structural detail of the word language of claims, or if they include have wanted with right
The equivalent structural elements of the insubstantial difference of the word language of book are sought, then they are intended to fall within the scope of claims.
Claims (18)
1. a kind of traffic lights, comprising:
Light-emitting component is configured to transmitting light；And
Controller is coupled with the light-emitting component, wherein the controller is configured to the feelings in no independence and tele-control system
It is individually controlled shining for the light-emitting component under condition, and initiates described shine when power signal is provided to the traffic lights
Element is lighted, and is incremented by counter to monitor elapsed time interval, when counter reaches predetermined quantity, is interrupted the hair
Optical element shines.
2. traffic lights as described in claim 1, wherein the controller is used to measure the temperature of the light-emitting component, and
Compensation needed for keeping uniform luminance grade is determined based on the temperature.
3. traffic lights as described in claim 1, wherein the light-emitting component is light emitting diode.
4. traffic lights as described in claim 1, wherein the luminous timing of the light-emitting component is based on the predetermined timing that shines
Sequence.
5. traffic lights as described in claim 1, wherein the power signal is AC power signal, and the controller is based on institute
Frequency or the period of AC power signal are stated to control the luminous timing of the light-emitting component.
6. traffic lights as described in claim 1, wherein the traffic lights is flash lamp.
7. a kind of method for controlling traffic lights, comprising:
Receive the power signal powered to the traffic lights；
Utilize controller:
Shining for the traffic lights is controlled based on the power signal；And
It is individually controlled light-emitting component in the case where no independence and tele-control system, so that described in being provided to when power signal
Lighting for the light-emitting component is initiated when traffic lights, is incremented by counter to monitor elapsed time interval, when counter reaches
When predetermined quantity, shining for the light-emitting component is interrupted.
8. the method for claim 7, wherein the light-emitting component is light emitting diode.
9. the method for claim 7, wherein the controller is configured to based on predetermined luminous timing sequence to control
State light-emitting component.
10. the method for claim 7, wherein the power signal is AC power signal, and control light-emitting component includes:
Determine the frequency of the AC power signal；And
The light-emitting component is controlled based on the frequency of the AC power signal.
11. the method for claim 7, wherein the power signal is AC power signal, and control light-emitting component includes:
Determine the period of the AC power signal；And
The light-emitting component is controlled based on the period of the AC power signal.
12. the method for claim 7, wherein controlling light-emitting component includes:
A plurality of light-emitting elements are controlled, wherein each light-emitting component is coupled to the independent control being arranged in the traffic lights.
13. method as claimed in claim 12, wherein the controller is configured to based on being supplied to described in the traffic lights
Power signal synchronizes the multiple light-emitting component.
14. a kind of traffic lights, comprising:
A plurality of light-emitting elements are configured to transmitting light；And
Multiple controllers, each controller are coupled to corresponding light-emitting component, wherein each controller be configured to without independent and
Shining for the light-emitting component being correspondingly connected with is controlled in the case where tele-control system, and when power signal is provided to the correspondence
It initiates to light the light-emitting component when traffic lights of connection, is incremented by counter to monitor elapsed time interval, works as counting
When device reaches predetermined quantity, the light-emitting component that is correspondingly connected with described in interruption shines.
15. traffic lights as claimed in claim 14, wherein the multiple light-emitting component includes two light-emitting components, Yi Jisuo
The alternating that the timing that shines includes the light-emitting component is stated to shine.
16. traffic lights as claimed in claim 14, wherein the traffic lights is flasher.
17. traffic lights as claimed in claim 14, wherein the multiple light-emitting component is light emitting diode.
18. traffic lights as claimed in claim 14, wherein the power signal is AC power signal, and each controller is configured to
The luminous timing is controlled based on the frequency of the AC power signal or period.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/650,661 US8480429B2 (en) | 2005-06-13 | 2012-10-12 | Power data housing |
| US13/650681 | 2012-10-12 | ||
| CN201380053036.XA CN104704540A (en) | 2012-10-12 | 2013-10-11 | LED traffic lamp control system |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380053036.XA Division CN104704540A (en) | 2012-10-12 | 2013-10-11 | LED traffic lamp control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110459068A true CN110459068A (en) | 2019-11-15 |
Family
ID=53365592
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380053036.XA Pending CN104704540A (en) | 2012-10-12 | 2013-10-11 | LED traffic lamp control system |
| CN201910584554.3A Pending CN110459068A (en) | 2012-10-12 | 2013-10-11 | LED traffic light control system |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380053036.XA Pending CN104704540A (en) | 2012-10-12 | 2013-10-11 | LED traffic lamp control system |
Country Status (1)
| Country | Link |
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| CN (2) | CN104704540A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632210A (en) * | 2016-03-16 | 2016-06-01 | 商丘市博达交通器材有限公司 | Aluminium alloy vertical-type traffic signal lamp |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104704540A (en) | 2015-06-10 |
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