CN204740739U - Cloud communication formula intelligent transportation signal lamp - Google Patents
Cloud communication formula intelligent transportation signal lamp Download PDFInfo
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- CN204740739U CN204740739U CN201520502570.0U CN201520502570U CN204740739U CN 204740739 U CN204740739 U CN 204740739U CN 201520502570 U CN201520502570 U CN 201520502570U CN 204740739 U CN204740739 U CN 204740739U
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Abstract
The utility model provides a cloud communication formula intelligent transportation signal lamp, including signal receiving unit, analytic unit and drive unit. Signal receiving unit is used for receiving the external control signal. Analytic unit electricity is connected in signal receiving unit for analyze the processing to the external control signal, in order to generate drive signal. The drive unit electricity is connected in analytic unit for it shows to drive the traffic signal lamp module according to drive signal. Above -mentioned cloud communication formula intelligent transportation signal lamp has realized the control to a plurality of traffic signals display element through receiving control signal and analytic control signal, has simplified the complicated wiring problem of traffic signals display element.
Description
Technical field
The utility model relates to signal lamp driving circuit, particularly relates to a kind of driving circuit comprising multiple signal lamp.
Background technology
In modern city, population and automobile growing, urban transportation is also day by day crowded, and the safety problem of people also becomes more and more important, and red green traffic signal lamp becomes one of important tool of traffic control division management traffic.There is the safety of traffic lights people to go on a journey and had very large guarantee.Since traffic lights are born, the circuit control system of its inside is just constantly modified, and method for designing also starts varied, thus makes traffic lights seem more intelligent, practical.Especially in recent years, along with the develop rapidly of electronics and computer technology, electronic circuit analysis and method for designing have had very large improvement, electric design automation has also become indispensable instrument and means in contemporary electronic systems, and these are that the design of traffic grade circuit provides certain technical foundation.
Existing traffic lights are all over the screen, direction arrow symbol, the humanoid symbol etc. that show red, yellow, and green look simply mostly, in use can not change after these figures, symbol and color settings, can not with the different word of same traffic light system, multiple graphical symbol can not be shown at same traffic lights, can not in the many colors of same traffic light system.Its problem is that existing signal lamp does not have intelligent processing system, only relies on power-on switch, fixing figure and constant color display.
In addition, existing traffic signal controlling machine, the traffic lights at each crossing or master one or several auxiliary crossings subsidiary are by a road traffic signal controller centralized control.Need a large amount of cables and pipeline according to existing connected mode, quantities is large, and difficulty of construction is large, and costly, system maintenance cost is large, and system reliability is low for engineering construction.
Therefore, the traffic cloud communication-type intelligent traffic lamp continuing a kind of improvement carrys out the above-mentioned defect of client.
Utility model content
The purpose of this utility model is, provides a kind of cloud communication-type intelligent traffic lamp, and to solve traditional LED light source driving circuit at steady state, its anti-surge circuit still can the technical matters of electric consumption power.
To achieve these goals, the utility model provides a kind of cloud communication-type intelligent traffic lamp, and described cloud communication-type intelligent traffic lamp comprises signal receiving unit, resolution unit and driver element.Described signal receiving unit is for receiving external control signal.Described resolution unit is electrically connected on described signal receiving unit, for carrying out dissection process to described external control signal, to generate drive singal.Described driver element is electrically connected on described resolution unit, shows for driving described traffic signals lamp module according to described drive singal.
Preferably, described signal receiving unit is also for receiving checking signal, and whether described resolution unit is also legal for judging the external control signal received according to described checking signal, and judging legal rear generation drive singal.
Preferably, described signal receiving unit comprises lightning protection unit, flow-restriction, surge protection unit and signal conversion unit.Institute's lightning protection unit is for receiving described external control signal, and its spike comprised of filtering, to carry out lightning protection.Described flow-restriction is electrically connected on described lightning protection unit, for limiting the size of current of described external control signal.Described surge protection unit is electrically connected on described flow-restriction, for the surge current in external control signal described in filtering, to carry out surge protection.Described signal conversion unit is electrically connected on described surge protection unit and described resolution unit, for carrying out signal conversion to described external control signal, controls signal to described resolution unit to export after conversion.
Preferably, described lightning protection unit comprises multiple lightning protection device be connected in parallel, and described flow-restriction comprises multiple current-limiting resistance be connected in parallel, and described surge protection unit comprises multiple transient diode be connected in parallel.
Preferably, described driver element drives described traffic signals lamp module to show according to described drive singal, and described traffic signals lamp module display comprises display different colours or different types of figure, symbol, word, numeral.
Preferably, described traffic signals lamp module comprises red light, green light, amber light and countdown module, and described control signal comprises red light light on and off signal, green light light on and off signal, amber light light on and off signal and countdown control signal.
Preferably, described cloud communication-type intelligent traffic lamp also comprises main control computer, and for generation of external control signal, described resolution unit is also for obtaining the running state information of described red light, green light, amber light and countdown module and feeding back to described main control computer.
Preferably, described signal receiving unit is 485 communication interfaces, and described main control computer and described signal receiving unit carry out data transmission by 485 communications protocol.
Preferably, described cloud communication-type intelligent traffic lamp also comprises light detecting unit, for detect external environment condition light intensity and or weather conditions, the detection signal of described resolution unit also for exporting according to described light detecting unit produces light conditioning signal, to regulate described traffic signals lamp module display brightness.
Preferably, described cloud communication-type intelligent traffic lamp also comprises human-computer interaction interface, for converting user operation to control signal and being sent to described signal receiving unit.
The beneficial effects of the utility model: the utility model provides a kind of described cloud communication-type intelligent traffic lamp, by wired or wireless mode reception control signal resolve control signal safely, achieve and the independence of multiple traffic signals display unit is controlled, simplify the wiring problem of traffic signals display unit complexity, different colours or different types of figure, symbol, word, digital traffic signal information can be shown simultaneously, can also according to the display brightness of weather, the next automatic regulation traffic signal lamp of light status.
In order to further understand feature of the present utility model and technology contents, refer to following about detailed description of the present utility model and accompanying drawing, but accompanying drawing only provide reference and explanation use, is not used for being limited the utility model.
Accompanying drawing explanation
Fig. 1 is the module map of the utility model one embodiment medium cloud communication-type intelligent traffic lamp.
Fig. 2 is the module map of another embodiment medium cloud communication-type intelligent traffic lamp of the utility model.
Fig. 3 is the circuit diagram of signal interface circuit in the utility model one embodiment.
Embodiment
For further setting forth the technological means and effect thereof that the utility model takes, be described in detail below in conjunction with preferred embodiment of the present utility model and accompanying drawing thereof.
Fig. 1 is the module map of the utility model one embodiment medium cloud communication-type intelligent traffic lamp 100.In the present embodiment, cloud communication-type intelligent traffic lamp 100 receives external control signal to drive traffic signals lamp module 200.Cloud communication-type intelligent traffic lamp 100 comprises signal receiving unit 10, resolution unit 20 and driver element 30.Signal receiving unit 10 is for receiving external control signal.Resolution unit 20 is electrically connected on signal receiving unit 10, and resolution unit 20 carries out dissection process, to generate drive singal for the external control signal received signal receiving unit 10.Driver element 30 is electrically connected on resolution unit 20, and driver element 30 drives traffic signals lamp module 200 to show for the drive singal exported according to resolution unit 20.
As to further improvement of the utility model, signal receiving unit 10 is also for receiving checking signal, the checking signal of resolution unit 20 also for receiving according to signal receiving unit 10 judges that whether the external control signal received is legal, and judging legal rear generation drive singal, otherwise do not generate drive singal.
Fig. 2 is the module map of another embodiment medium cloud communication-type intelligent traffic lamp 100 of the utility model.In the present embodiment, signal receiving unit 10 comprises lightning protection unit 102, flow-restriction 104, surge protection unit 106 and signal conversion unit 108.Lightning protection unit 102 is for receiving external control signal, and its spike comprised of filtering, to carry out lightning protection to subsequent module.Flow-restriction 104 is electrically connected on lightning protection unit 102, and flow-restriction 104 is for limiting the size of current of external control signal in an interval of presetting.Surge protection unit 106 is electrically connected on flow-restriction 104, the surge current that surge protection unit 106 comprises when receiving external control signal for filtering, to carry out surge protection.Signal conversion unit 108 is electrically connected on surge protection unit 106 and resolution unit 20, for carrying out signal conversion to external control signal, controls signal to resolution unit 20 to export after conversion.In the present embodiment, resolution unit 20 is preferably the control chip such as single-chip microcomputer, MCU, its input voltage has certain threshold requirement, carries out signal conversion by signal conversion unit 108, thus resolution unit 20 can successfully be resolved external control signal.
In an embodiment of the present utility model, cloud communication-type intelligent traffic lamp 100 also comprises light detecting unit 40, light detecting unit 40 for detect external environment condition light intensity and or weather conditions, as intensity of illumination, the weather condition of traffic signals lamp module 200 installation sites.Weather condition can be become a fine day, overcast and rainy, have vaporific state etc.The detection signal of resolution unit 20 also for exporting according to light detecting unit 40 produces light conditioning signal, and with the display brightness of regulation traffic signal lamp module 200, thus it is more humane that traffic signals lamp module 200 is shown, and again saves the energy.
In an embodiment of the present utility model, driver element 30 drives traffic signals lamp module 200 to show according to drive singal, traffic signals lamp module 200 can show different colours or different types of figure, symbol, word, numeral, to meet the traffic light system of various demand.Traffic signals lamp module 200 can comprise red light, green light, amber light, arrow display, humanoid pattern, countdown module etc.
In an embodiment of the present utility model, main control computer 300 or human-computer interaction interface 400 can be set to export external control signal.When exporting external control signal by main control computer 300, control signal can comprise red light light on and off signal, green light light on and off signal, amber light light on and off signal and countdown control signal.The control signal that main control computer 300 exports is received by signal receiving unit 10 and is sent to resolution unit 20, and resolution unit 20 generates drive singal according to this control signal again, and drives traffic signals lamp module 200 by driver element 30.In the present embodiment, main control computer 300 to traffic signals lamp module 200 lamp transmit when red/go out, green light/go out, amber light bright/to go out, teleseme countdown data 4 kinds of signals.Meanwhile, resolution unit 20 feed back to main control computer 300 run when red/go out, run green light/go out, run amber light bright/to go out, run countdown data, rub-out signal 5 kinds of signals.Wherein, rub-out signal can be that the lamp of two kinds of colors is simultaneously bright, or the signal such as countdown corrupt data.Main control computer 300 can be the intelligent chip such as MCU, processor, by built-in agreement, communication is carried out to the traffic signals of often kind of color, the collection of service data and control, verification scheme that agreement is built-in, to send checking signal when sending external control signal simultaneously, ensure the accuracy of data transmission.
When exporting external control signal by human-computer interaction interface 400, user's true-time operation instruction transformation is become control signal and is sent to signal receiving unit 10 by human-computer interaction interface 400, to realize driving traffic signals lamp module 200.In other embodiments of the present utility model, main control computer 300 and human-computer interaction interface 400 can exist simultaneously, and user can carry out choice for use main control computer 300 and human-computer interaction interface 400 according to the actual requirements.
For example, when traffic signals lamp module 200 comprises the traffic lights at multiple crossing, main control computer 300 adopts 485 Communication Control modes to control the traffic signal light condition at each crossing, now signal receiving unit 10 is 485 communication interfaces, main control computer 200 and signal receiving unit 10 carry out data transmission by 485 communications protocol, can encode to each traffic lights at each crossing, have a unique identification number to make each traffic lights.When the traffic lights at each crossing need to carry out red greenish-yellow lamp conversion and countdown control, only needing to draw two 485 communication control lines from main control computer 300 is connected to traffic lights, and just can realize controlling by data transmission, the power lead of traffic lights also can connect nearby simultaneously, do not need to draw from main control computer 300, achieve the control of each crossing traffic lamp, reduce cost simultaneously, simplify the wiring problem of traffic lights complexity, improve efficiency.Main control computer 300 can also adopt the control modes such as wire communication mode or RF radio-frequency technique, wireless network transmissions such as CAN, BUS bus, USB data line to control the traffic signal light condition at each crossing.
The circuit diagram of signal receiving circuit 10 in Fig. 3 the utility model one embodiment.In the present embodiment, lightning protection unit 102 comprises the first lightning protection device RD1, the second lightning protection device RD2 and the 3rd lightning protection device RD3.One end of first lightning protection device RD1 is electrically connected on one end of the 3rd lightning protection device RD3, the other end ground connection of the first lightning protection device RD1.One end of second lightning protection device RD2 is electrically connected on the other end of the 3rd lightning protection device RD3, the other end ground connection of the second lightning protection device RD2.Flow-restriction 104 comprises the first sub-flow-restriction 104a and the second sub-flow-restriction 104b, and the first sub-flow-restriction 104a comprises the first current-limiting resistance R1, the second current-limiting resistance R2, the 3rd current-limiting resistance R3 and the 4th current-limiting resistance R4.One end of first current-limiting resistance R1 is electrically connected on one end of the first lightning protection device RD1, and the other end of the first current-limiting resistance R1 is electrically connected on surge protection unit 106.Second current-limiting resistance R2 and the first current-limiting resistance R1 is connected in parallel.3rd current-limiting resistance R3 and the first current-limiting resistance R1 is connected in parallel.4th current-limiting resistance R4 and the first current-limiting resistance R1 is connected in parallel.Second sub-flow-restriction 104b comprises the 5th current-limiting resistance R5, the 6th current-limiting resistance R6, the 7th current-limiting resistance R7 and the 8th current-limiting resistance R8.One end of 5th current-limiting resistance R5 is electrically connected on one end of the second lightning protection device RD2, and the other end of the 5th current-limiting resistance R5 is electrically connected on surge protection unit 106.6th current-limiting resistance R6 and the 5th current-limiting resistance R5 is connected in parallel.7th current-limiting resistance R7 and the 5th current-limiting resistance R5 is connected in parallel.8th current-limiting resistance R8 and the 5th current-limiting resistance R8 is connected in parallel.Surge protection unit 106 comprises the first transient diode TVS1, the second transient diode TVS2 and the 3rd transient diode TVS3.One end of first transient diode TVS1 is electrically connected on the other end of the first current-limiting resistance R1, and the other end of the first transient diode TVS1 is electrically connected on the other end of the 5th current-limiting resistance R5.One end of second transient diode TVS2 is electrically connected on the other end of the first current-limiting resistance R1, the other end ground connection of the second transient diode TVS2.One end of 3rd transient diode TVS3 is electrically connected on the other end of the 5th current-limiting resistance R5, the other end ground connection of the 3rd transient diode TVS3.Signal conversion unit 108 comprises signal conversion chip U1, the 9th current-limiting resistance R9 and the tenth current-limiting resistance R10.One end of 9th current-limiting resistance R9 is electrically connected on signal conversion chip U1, the other end ground connection of the 9th current-limiting resistance R9.One end of tenth current-limiting resistance R10 is for receiving power supply signal, and the other end of the tenth current-limiting resistance R10 is electrically connected on the common port of signal conversion chip U1 and the 9th current-limiting resistance R9.
In sum, the utility model provides a kind of cloud communication-type intelligent traffic lamp, by wired or wireless mode reception control signal resolve control signal safely, achieve and the independence of multiple traffic signals display unit is controlled, simplify the wiring problem of traffic signals display unit complexity, different colours or different types of figure, symbol, word, digital traffic signal information can be shown simultaneously, can also according to the display brightness of weather, the next automatic regulation traffic signal lamp of light status.
The above; for the person of ordinary skill of the art; can make other various corresponding change and distortion according to the technical solution of the utility model and technical conceive, and all these change and be out of shape the protection domain that all should belong to the utility model claim.
Claims (10)
1. a cloud communication-type intelligent traffic lamp, is characterized in that, described cloud communication-type intelligent traffic lamp comprises:
Signal receiving unit, for receiving external control signal;
Resolution unit, is electrically connected on described signal receiving unit, for carrying out dissection process to described external control signal, to generate drive singal; And
Driver element, is electrically connected on described resolution unit, shows for driving described traffic signals lamp module according to described drive singal.
2. cloud communication-type intelligent traffic lamp as claimed in claim 1, it is characterized in that, described signal receiving unit is also for receiving checking signal, whether described resolution unit is also legal for judging the external control signal received according to described checking signal, and judging legal rear generation drive singal.
3. cloud communication-type intelligent traffic lamp as claimed in claim 1, it is characterized in that, described signal receiving unit comprises:
Lightning protection unit, for receiving described external control signal, and its spike comprised of filtering, to carry out lightning protection;
Flow-restriction, is electrically connected on described lightning protection unit, for limiting the size of current of described external control signal;
Surge protection unit, is electrically connected on described flow-restriction, for the surge current in external control signal described in filtering, to carry out surge protection; And
Signal conversion unit, is electrically connected on described surge protection unit and described resolution unit, for carrying out signal conversion to described external control signal, controls signal to described resolution unit to export after conversion.
4. cloud communication-type intelligent traffic lamp as claimed in claim 3; it is characterized in that; described lightning protection unit comprises multiple lightning protection device be connected in parallel, and described flow-restriction comprises multiple current-limiting resistance be connected in parallel, and described surge protection unit comprises multiple transient diode be connected in parallel.
5. cloud communication-type intelligent traffic lamp as claimed in claim 1, it is characterized in that, described driver element drives described traffic signals lamp module to show according to described drive singal, and described traffic signals lamp module display comprises display different colours or different types of figure, symbol, word, numeral.
6. cloud communication-type intelligent traffic lamp as claimed in claim 1, it is characterized in that, described traffic signals lamp module comprises red light, green light, amber light and countdown module, and described control signal comprises red light light on and off signal, green light light on and off signal, amber light light on and off signal and countdown control signal.
7. cloud communication-type intelligent traffic lamp as claimed in claim 6, it is characterized in that, also comprise main control computer, for generation of external control signal, described resolution unit is also for obtaining the running state information of described red light, green light, amber light and countdown module and feeding back to described main control computer.
8. cloud communication-type intelligent traffic lamp as claimed in claim 7, it is characterized in that, described signal receiving unit is 485 communication interfaces, and described main control computer and described signal receiving unit carry out data transmission by 485 communications protocol.
9. cloud communication-type intelligent traffic lamp as claimed in claim 1, it is characterized in that, also comprise light detecting unit, for detect external environment condition light intensity and or weather conditions, the detection signal of described resolution unit also for exporting according to described light detecting unit produces light conditioning signal, to regulate described traffic signals lamp module display brightness.
10. cloud communication-type intelligent traffic lamp as claimed in claim 1, is characterized in that, also comprise human-computer interaction interface, for converting user operation to control signal and being sent to described signal receiving unit.
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| CN201520502570.0U CN204740739U (en) | 2015-07-10 | 2015-07-10 | Cloud communication formula intelligent transportation signal lamp |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023604A (en) * | 2016-06-17 | 2016-10-12 | 无锡安邦电气有限公司 | Power outage pulse type traffic signal lamp control system |
| CN106384523A (en) * | 2016-11-08 | 2017-02-08 | 江苏速度信息科技股份有限公司 | Reversible lane control system and control method of urban vehicle transportation capacity |
-
2015
- 2015-07-10 CN CN201520502570.0U patent/CN204740739U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023604A (en) * | 2016-06-17 | 2016-10-12 | 无锡安邦电气有限公司 | Power outage pulse type traffic signal lamp control system |
| CN106023604B (en) * | 2016-06-17 | 2018-08-10 | 无锡安邦电气有限公司 | Break impulse formula traffic light control system |
| CN106384523A (en) * | 2016-11-08 | 2017-02-08 | 江苏速度信息科技股份有限公司 | Reversible lane control system and control method of urban vehicle transportation capacity |
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