CN105702064A - Method for controlling LED traffic signal lamp - Google Patents
Method for controlling LED traffic signal lamp Download PDFInfo
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- CN105702064A CN105702064A CN201610246836.9A CN201610246836A CN105702064A CN 105702064 A CN105702064 A CN 105702064A CN 201610246836 A CN201610246836 A CN 201610246836A CN 105702064 A CN105702064 A CN 105702064A
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- 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
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/005—Traffic control systems for road vehicles including pedestrian guidance indicator
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/065—Traffic control systems for road vehicles by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/096—Arrangements for giving variable traffic instructions provided with indicators in which a mark progresses showing the time elapsed, e.g. of green phase
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- Chemical & Material Sciences (AREA)
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- Traffic Control Systems (AREA)
Abstract
The invention relates to a method for controlling an LED traffic signal lamp which is situated at a current traffic crossing and comprises an automatic charging device and an LED tri-color lamp device. The automatic charging device automatically receives external charging power when power is insufficient to ensure normal power supply to the LED tri-color lamp device which displays red, green and yellow alternatively. Through the method, power supply to the LED traffic signal lamp can be effectively guaranteed.
Description
Technical field
The present invention relates to traffic light field, particularly relate to a kind of LED traffic signal lamp control method。
Background technology
In recent years, LED is by feat of the advantage of oneself, and the application in lighting circuit is more and more extensive。Meanwhile, along with LED is in the continuous breakthrough of lighting field, LED light source becomes the focus of semiconductor lighting industry, and the cost of LED is also being gradually lowered, and LED light source is also widely applied in road traffic。
In traffic light, about the exploitation of LED light source like a raging fire carrying out。There is a lot of demonstration project both at home and abroad, and achieve good effect。Present LED light source is reducing funds expenditure, reduces light pollution method and has very big advantage, has colour temperature good simultaneously, the features such as veiling glare is few。
Traffic light adopt some advantage of LED: LED traffic signal lamp and the comparison LED of traditional traffic light, are light emitting diode, belong to the semiconductor device of solid-state, it is possible to directly electric energy is converted into luminous energy, apply very extensive；He can directional transmissions light, be suitably applied the light illumination in certain direction, simultaneously as light-emitting area is little, it is possible to carry out light line traffic control, improve light utilization；Time incipient, LED is used as the instruction light source of instrument and meter, is applied to gradually later in traffic light and large-area display screen, brings huge economic benefit and social benefit；Traditional traffic light are made up of power supply, reflector and the part such as lamp housing and coloured lens, and for LED signal, itself can send coloured light, it is not necessary to be reconfigured at coloured lens。
Currently, LED traffic signal lamp actually used in, still expose some problems need solve。Such as, lack the early warning information during amber light shows and mechanism is provided, early warning information includes amber light and shows the quantity of the vehicle that still can pass through in remaining time and remaining time, it is easily caused vehicle driver to judge by accident, amber light will be rushed and become making a dash across the red light, and for example, cannot be carried out wireless charging, it addition, the structure of existing LED traffic signal lamp remains a need for optimizing, function remains a need for enriching further。
Accordingly, it would be desirable to a kind of new LED traffic signal lights control scheme, optimize the control model of existing LED traffic signal lamp, add early warning information during amber light shows and mechanism and wireless charging mechanism are provided, thus the perfect function of LED traffic signal lamp。
Summary of the invention
In order to solve the problems referred to above, the invention provides a kind of LED traffic signal lamp and control system, transform Signalized control pattern of the prior art, provide amber light display countdown mechanism and amber light shows that the determination of the vehicle fleet size that can pass through remaining time is machine-processed, abundant early warning information is provided for vehicle driver, it is prevented effectively from the act of violating regulations made a dash across the red light to occur, set up wireless charging mechanism simultaneously, power supply for LED traffic signal lamp provides powerful guarantee, more it is essential that enrich the equipment of existing LED traffic signal lamp。
According to an aspect of the present invention, provide a kind of LED traffic signal lamp and control system, described control system is positioned at Current traffic crossing, including automatic charging equipment and LED tri coloured lantern equipment, automatic charging equipment is for when electricity deficiency, the charging power that automatic reception is extraneous, to ensure the supply of electric power of LED tri coloured lantern equipment, LED tri coloured lantern equipment is for alternately showing red yellowish green trichromatism。
More specifically, in described LED traffic signal lamp control system, including: energy measuring equipment, it is connected for controlling equipment with the civil power access interface of power supply equipment and distal center respectively, unit and a RS485 communication unit is detected including energy expenditure, energy expenditure detection unit is connected with civil power access interface, for when power supply equipment carries out supply of electric power, determine the energy that described control system consumes, oneth RS485 communication unit detects unit with energy expenditure and is connected, equipment is controlled for the energy that described control system consumes being sent to distal center；Electric power detection equipment, is connected with the voltage conversion circuit of power supply equipment, and whether the voltage provided for detecting voltage conversion circuit meets predeterminated voltage, when the voltage that voltage conversion circuit provides is lower than predeterminated voltage, sends electricity shortage signal；Location equipment, for the LED traffic signal lamp when receiving positioning starting signal, near Automatic-searching；Automated communications, it is connected with location equipment, after the LED traffic signal lamp near searching out, is sent to handshake to set up and communication link between, and complete with near LED traffic signal lamp communication link set up operation after, send link establishment and complete signal；Automatic charging equipment, for when receiving link establishment and completing signal, receiving the neighbouring LED traffic signal lamp wireless charging to it, and replace power supply equipment after charging complete to carry out supply of electric power；RS485 serial communication device, communicates for the RS485 realized between MSP430 single-chip microcomputer with distal center control equipment；MSP430 single-chip microcomputer, equipment is detected respectively with electric power, location equipment, automated communications, automatic charging equipment and RS485 serial communication device connect, for after receiving electricity shortage signal, start location equipment, automated communications and automatic charging equipment, electricity shortage signal is sent to distal center by RS485 serial communication device and controls equipment, and positioning starting signal is sent to location equipment, it is additionally operable to receiving after link establishment completes signal, control equipment by RS485 serial communication device to distal center and send wireless charging enabling signal, with start location equipment search out near LED traffic signal lamp wireless charging operation；Vehicle pass-through time detecting equipment, for detecting and export vehicle by the average time needed for Current traffic crossing, including: timing unit, it is used for providing and exporting timing signal；Ultrasound wave transmitting element, is positioned at the surface at Current traffic crossing, is used for Current traffic crossing ground launch ultrasonic signal；Ultrasound wave receives unit, is positioned at the surface at Current traffic crossing together with ultrasound wave transmitting element, for receiving the ultrasonic signal of reflection；Detection control unit, receive unit with timing unit, object-recognition unit, ultrasound wave transmitting element and ultrasound wave respectively to be connected, for whether changing based on the interval launched between ultrasonic signal and the ultrasonic signal receiving reflection, determine whether that sending target exists signal, be additionally operable to determine that vehicle passes through the average time needed for Current traffic crossing based on each by the transit time of the vehicle at Current traffic crossing；Object-recognition unit, after being positioned at the surface at Current traffic crossing and being positioned at ultrasound wave transmitting element, the radical length of distance ultrasound wave transmitting element is 10 millimeters, it is connected with detection control unit and timing unit respectively, for receiving after target exists signal, determine whether the target by Current traffic crossing is vehicle based on image recognition mode, so that vehicle target signal or non-vehicle echo signal are sent to detection control unit, calculate vehicle headstock simultaneously and preset baseline and the vehicle tailstock interval between the default baseline in Current traffic crossing through Current traffic crossing, it is sent to detection control unit using the transit time as vehicle, wherein, baseline is preset on ground, Current traffic crossing in Current traffic crossing, radial position is after object-recognition unit, the radical length of distance objective recognition unit is 30 millimeters；The current vehicle fleet size instruction equipment of residue, for being connected with vehicle pass-through time detecting equipment to receive vehicle by the average time needed for Current traffic crossing, indicate with amber light countdown equipment to be connected the count down time that receives its output, and the vehicle fleet size that can also pass through before being turned off by determining the average time needed for Current traffic crossing and count down time yellow LED king light or the yellow auxiliary lamp of LED based on vehicle is to show and to export as remaining the vehicle fleet size that passes through；LED tri coloured lantern equipment, including red LED king light, yellow LED king light, green LED king light, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, respectively as the replacement lamp of red LED king light, yellow LED king light and green LED king light, display or shutoff operation replacing corresponding king light when corresponding king light breaks down；Amber light countdown instruction equipment, during lamp display auxiliary for the yellow LED king light in LED tri coloured lantern equipment or yellow LED, triggers the display countdown operation to yellow LED king light or the yellow auxiliary lamp of LED, and shows the count down time of correspondence；Walk display lamp equipment, allows lamp, walk switching lamp and walk to forbid lamp including walk, and walk switching lamp is shown in before walk allows lamp to show and after walk forbids that lamp is closed；Signalized control equipment, is connected with LED tri coloured lantern equipment, amber light countdown instruction equipment and walk display lamp equipment respectively, for controlling the display operation of LED tri coloured lantern equipment, amber light countdown instruction equipment and walk display lamp equipment simultaneously；LCD display device, including LCD display, display screen driver element and RS232 serial communication unit, LCD display is integrated with touch screen, display screen driver element is connected with LCD display, for driving LCD display to realize display operation or to receive touch screen input operation, serial communication unit is connected with display screen driver element and MSP430 single-chip microcomputer respectively, is used for receiving in display and perhaps sends touch sheet input content；Vehicle Flow Detection equipment, unit and the 2nd RS485 communication unit is detected including active annular vehicle, active annular vehicle detection unit is for detecting the speed of the vehicle travelling Current traffic crossing, vehicle commander, spacing and traffic density, 2nd RS485 communication unit controls equipment with active annular vehicle detection unit and distal center respectively and is connected, and controls equipment for the speed of the vehicle travelling Current traffic crossing, spacing and traffic density are sent to distal center；Power supply equipment, including civil power access interface, Transformer Rectifier circuit, filter regulator circuit and voltage conversion circuit, civil power access interface is used for receiving civil power supply of electric power, Transformer Rectifier circuit is connected with civil power access interface, for the civil power electric power signal received being sequentially carried out transformation operation and rectifying operation, to obtain rectified power signal, filter regulator circuit is connected with Transformer Rectifier circuit, for rectified power signal being sequentially carried out filtering operation and voltage stabilizing operation, to obtain regulated power signal, voltage conversion circuit is connected with filter regulator circuit, for regulated power signal being carried out voltage conversion operation, to obtain 12V, 5V or 3.3V voltage signal；Wherein, in red LED king light, yellow LED king light, green LED king light, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, each LED includes negative pin, positive pole pin, reflection cap, LED chip and epoxy resin lenses; LED chip is connected with negative pin and positive pole pin respectively; reflection cap is arranged on the lower section of LED chip; epoxy resin lenses is circular; it is arranged on above LED chip and wraps up LED chip, for protecting LED chip light that LED chip is sent to carry out optically focused。
More specifically, in described LED traffic signal lamp control system: location equipment includes range cells and GPS unit。
More specifically, in described LED traffic signal lamp control system: alternatively, all operations of detection control unit is by MSP430 chip microcontroller。
More specifically, in described LED traffic signal lamp control system: amber light countdown instruction equipment and the current vehicle fleet size instruction equipment of residue are integrated on one piece of surface-mounted integrated circuit。
More specifically, in described LED traffic signal lamp control system: vehicle pass-through time detecting equipment is arranged on the crossbar center position above Current traffic crossing, and LCD display device is arranged in the switch board near Current traffic crossing。
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram that the LED traffic signal lamp illustrated according to an embodiment of the present invention controls system。
Accompanying drawing labelling: 1 automatic charging equipment；2LED tri coloured lantern equipment
Detailed description of the invention
The embodiment that the LED traffic signal lamp of the present invention controls system below with reference to accompanying drawings is described in detail。
LED is since nineteen sixty-eight comes out, just by its less volume is little, the response speed being exceedingly fast, low-down starting voltage, height vibration strength and avoid the good characteristics such as mercury pollution, be widely used in much requiring light, thin and mini-plant。Again owing to its luminous efficiency is high, and have the good color developings such as red, yellow, and green, be not only widely used in the living environment needing Spanish furnish, particularly highway, railway, urban road traffic signal system in exhibit one's skill to the full especially。
LED signal lamp has characteristics that
1) good reliability, life-span is long, for signal lights, generally use environment more severe, need to adapt to different temperature and wind, Exposure to Sunlight, the different natural conditions such as drench with rain, so, require that signal lights in reliability and has higher requirement in the life-span, generally, if using incandescent lamp bulb as signal lights, its average life is approximately 1000h, if using low pressure halogen tungsten as the bulb of main material, its average life is approximately 2000h, and the expense that these signal lighties are when safeguarding is generally significantly high, LED signal lamp advantage in this then to highlight many, facts have proved, the life-span of a lot of LED signal lamp greatly exceed 5 years, but do not damage, additionally, LED signal lamp also have very prominent advantage be exactly the response time fast, it is thus possible to greatly reduce the probability sending out sexual intercourse accident in the application, these are all electric filament lamp or halogen tungsten bulb is difficult to；
2) there is the characteristic of monochromatic light and the angle of divergence, because the inherently monochromatic light that LED is shed, so, in use need not be newly-generated red by color chips effect duplicate removal, yellow, green different colours such as grade, additionally, certain directivity is just presented due to what LED came out, there is the specific angle of divergence, so, avoid to adopt the way of aspheric illuminator in the application in the past, because this feature, LED is made to solve the drawback easily producing mirage phantom in conventional signal lights well, also avoid the discolouration phenomena brought because of color chips simultaneously, significantly perfect result of use；
3) advantage that LED possesses cold light source, energy consumption is low, as a kind of important cold light source, LED possesses the feature that energy consumption is very low so that this signal lights achieves energy-conservation purpose。As can be seen here, LED signal lamp just by the advantage that its higher brightness and reliability and energy consumption are low, obtains widely using of each city, the world gradually。
But existing LED traffic signal lamp there is also following drawback: first, lack amber light display countdown mechanism and show the determination mechanism of the vehicle fleet size that can pass through remaining time with amber light, abundant information realization warning function cannot be provided for vehicle driver, thus cause vehicle driver make rush amber light determine after, in fact there occurs the act of violating regulations made a dash across the red light；Secondly, wireless charging technology is lacked, it is impossible to the power supply for LED traffic signal lamp provides powerful guarantee；Finally, existing LED traffic signal modulated structure is excessively simple, it is necessary to increase some auxiliary equipment to improve its intelligent level。
In order to overcome above-mentioned deficiency, the present invention has built a kind of LED traffic signal lamp and has controlled system, above-mentioned drawback can be solved simultaneously, thus the vehicle of traffic light and pedestrian for needing provide more auxiliary information, strengthen the reliability of traffic light and intelligent level so that it is serve urban construction better。
Fig. 1 is the block diagram that the LED traffic signal lamp illustrated according to an embodiment of the present invention controls system, described control system is positioned at Current traffic crossing, including automatic charging equipment and LED tri coloured lantern equipment, automatic charging equipment is for when electricity deficiency, the charging power that automatic reception is extraneous, to ensure the supply of electric power of LED tri coloured lantern equipment, LED tri coloured lantern equipment is for alternately showing red yellowish green trichromatism。
Then, the concrete structure continuing the control system of the LED traffic signal lamp to the present invention is further detailed。
Described control system includes: energy measuring equipment, it is connected for controlling equipment with the civil power access interface of power supply equipment and distal center respectively, unit and a RS485 communication unit is detected including energy expenditure, energy expenditure detection unit is connected with civil power access interface, for when power supply equipment carries out supply of electric power, determine the energy that described control system consumes, oneth RS485 communication unit detects unit with energy expenditure and is connected, and controls equipment for the energy that described control system consumes is sent to distal center。
Described control system includes: electric power detection equipment, it is connected with the voltage conversion circuit of power supply equipment, whether the voltage provided for detecting voltage conversion circuit meets predeterminated voltage, when the voltage that voltage conversion circuit provides is lower than predeterminated voltage, sends electricity shortage signal；Location equipment, for the LED traffic signal lamp when receiving positioning starting signal, near Automatic-searching；Automated communications, it is connected with location equipment, after the LED traffic signal lamp near searching out, is sent to handshake to set up and communication link between, and complete with near LED traffic signal lamp communication link set up operation after, send link establishment and complete signal。
Described control system includes: automatic charging equipment, for when receiving link establishment and completing signal, receiving the neighbouring LED traffic signal lamp wireless charging to it, and replace power supply equipment after charging complete to carry out supply of electric power；RS485 serial communication device, communicates for the RS485 realized between MSP430 single-chip microcomputer with distal center control equipment；MSP430 single-chip microcomputer, equipment is detected respectively with electric power, location equipment, automated communications, automatic charging equipment and RS485 serial communication device connect, for after receiving electricity shortage signal, start location equipment, automated communications and automatic charging equipment, electricity shortage signal is sent to distal center by RS485 serial communication device and controls equipment, and positioning starting signal is sent to location equipment, it is additionally operable to receiving after link establishment completes signal, control equipment by RS485 serial communication device to distal center and send wireless charging enabling signal, with start location equipment search out near LED traffic signal lamp wireless charging operation。
Described control system includes: vehicle pass-through time detecting equipment, for detecting and export vehicle by the average time needed for Current traffic crossing, including: timing unit, it is used for providing and exporting timing signal；Ultrasound wave transmitting element, is positioned at the surface at Current traffic crossing, is used for Current traffic crossing ground launch ultrasonic signal；Ultrasound wave receives unit, is positioned at the surface at Current traffic crossing together with ultrasound wave transmitting element, for receiving the ultrasonic signal of reflection；Detection control unit, receive unit with timing unit, object-recognition unit, ultrasound wave transmitting element and ultrasound wave respectively to be connected, for whether changing based on the interval launched between ultrasonic signal and the ultrasonic signal receiving reflection, determine whether that sending target exists signal, be additionally operable to determine that vehicle passes through the average time needed for Current traffic crossing based on each by the transit time of the vehicle at Current traffic crossing；Object-recognition unit, after being positioned at the surface at Current traffic crossing and being positioned at ultrasound wave transmitting element, the radical length of distance ultrasound wave transmitting element is 10 millimeters, it is connected with detection control unit and timing unit respectively, for receiving after target exists signal, determine whether the target by Current traffic crossing is vehicle based on image recognition mode, so that vehicle target signal or non-vehicle echo signal are sent to detection control unit, calculate vehicle headstock simultaneously and preset baseline and the vehicle tailstock interval between the default baseline in Current traffic crossing through Current traffic crossing, it is sent to detection control unit using the transit time as vehicle, wherein, baseline is preset on ground, Current traffic crossing in Current traffic crossing, radial position is after object-recognition unit, the radical length of distance objective recognition unit is 30 millimeters。
Described control system includes: the current vehicle fleet size instruction equipment of residue, for being connected with vehicle pass-through time detecting equipment to receive vehicle by the average time needed for Current traffic crossing, indicate with amber light countdown equipment to be connected the count down time that receives its output, and the vehicle fleet size that can also pass through before being turned off by determining the average time needed for Current traffic crossing and count down time yellow LED king light or the yellow auxiliary lamp of LED based on vehicle is to show and to export as remaining the vehicle fleet size that passes through。
Described control system includes: LED tri coloured lantern equipment, including red LED king light, yellow LED king light, green LED king light, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, respectively as the replacement lamp of red LED king light, yellow LED king light and green LED king light, display or shutoff operation replacing corresponding king light when corresponding king light breaks down；Amber light countdown instruction equipment, during lamp display auxiliary for the yellow LED king light in LED tri coloured lantern equipment or yellow LED, triggers the display countdown operation to yellow LED king light or the yellow auxiliary lamp of LED, and shows the count down time of correspondence。
Described control system includes: walk display lamp equipment, allows lamp, walk switching lamp and walk to forbid lamp including walk, and walk switching lamp is shown in before walk allows lamp to show and after walk forbids that lamp is closed；Signalized control equipment, is connected with LED tri coloured lantern equipment, amber light countdown instruction equipment and walk display lamp equipment respectively, for controlling the display operation of LED tri coloured lantern equipment, amber light countdown instruction equipment and walk display lamp equipment simultaneously；LCD display device, including LCD display, display screen driver element and RS232 serial communication unit, LCD display is integrated with touch screen, display screen driver element is connected with LCD display, for driving LCD display to realize display operation or to receive touch screen input operation, serial communication unit is connected with display screen driver element and MSP430 single-chip microcomputer respectively, is used for receiving in display and perhaps sends touch sheet input content。
Described control system includes: vehicle Flow Detection equipment, unit and the 2nd RS485 communication unit is detected including active annular vehicle, active annular vehicle detection unit is for detecting the speed of the vehicle travelling Current traffic crossing, vehicle commander, spacing and traffic density, 2nd RS485 communication unit controls equipment with active annular vehicle detection unit and distal center respectively and is connected, and controls equipment for the speed of the vehicle travelling Current traffic crossing, spacing and traffic density are sent to distal center。
Described control system includes: power supply equipment, including civil power access interface, Transformer Rectifier circuit, filter regulator circuit and voltage conversion circuit, civil power access interface is used for receiving civil power supply of electric power, Transformer Rectifier circuit is connected with civil power access interface, for the civil power electric power signal received being sequentially carried out transformation operation and rectifying operation, to obtain rectified power signal, filter regulator circuit is connected with Transformer Rectifier circuit, for rectified power signal being sequentially carried out filtering operation and voltage stabilizing operation, to obtain regulated power signal, voltage conversion circuit is connected with filter regulator circuit, for regulated power signal being carried out voltage conversion operation, to obtain 12V, 5V or 3.3V voltage signal。
Wherein, in red LED king light, yellow LED king light, green LED king light, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, each LED includes negative pin, positive pole pin, reflection cap, LED chip and epoxy resin lenses; LED chip is connected with negative pin and positive pole pin respectively; reflection cap is arranged on the lower section of LED chip; epoxy resin lenses is circular; it is arranged on above LED chip and wraps up LED chip, for protecting LED chip light that LED chip is sent to carry out optically focused。
Alternatively, in described control system: location equipment includes range cells and GPS unit；Alternatively, all operations of detection control unit is by MSP430 chip microcontroller；Amber light countdown instruction equipment and the current vehicle fleet size instruction equipment of residue are integrated on one piece of surface-mounted integrated circuit；Vehicle pass-through time detecting equipment is arranged on the crossbar center position above Current traffic crossing, and LCD display device is arranged in the switch board near Current traffic crossing。
It addition, GPS is the abbreviation of English GlobalPositioningSystem (global positioning system)。GPS originates in a project of US military in 1958, within 1964, comes into operation。20 century 70s, land, sea, and air of U.S. joint research and developments Global Positioning System of new generation。Main purpose is to provide real-time, round-the-clock and global navigation Service for big field, land, sea and air three, and for some military purposes such as information gathering, Nuclear detonation monitoring and emergency communications, research experiment through more than 20 years, cost 30,000,000,000 dollars, by 1994, the Global coverage rate 24 gps satellite constellations up to 98% are own to be laid。
Utilize GPS position location satellite, the system position in real time in the world, navigated, it is called GPS, is called for short GPS。GPS is developed, by U.S. Department of Defense, the one set up to have comprehensive, round-the-clock, all the period of time, high-precision satellite navigation system, the navigation informations such as low cost, high accuracy three-dimensional position, speed and accurate timing can be provided for Global Subscriber, it is the communication technology of satellite application examples in navigation field, he drastically increases the level of IT application of Terre des Hommes's meeting, has effectively promoted the development of digital economy。
The LED traffic signal lamp adopting the present invention controls system, cannot provide more auxiliary information and the power supply cannot the technical problem of effective guarantee for vehicle driver for prior art, by setting up amber light display countdown mechanism, amber light display remaining time and wireless charging mechanism, solve above-mentioned technical problem, simultaneously, also the 26S Proteasome Structure and Function of existing LED traffic signal lamp is optimized and perfect, thus being effectively increased the automatization level of LED traffic signal lamp。
Although it is understood that the present invention discloses as above with preferred embodiment, but above-described embodiment is not limited to the present invention。For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit, all may utilize the technology contents of the disclosure above and technical solution of the present invention is made many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations。Therefore, every content without departing from technical solution of the present invention, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still falls within the scope of technical solution of the present invention protection。
Claims (6)
1. a LED traffic signal lamp control method, the method includes:
1) a kind of LED traffic signal lamp is provided to control system, described control system is positioned at Current traffic crossing, including automatic charging equipment and LED tri coloured lantern equipment, automatic charging equipment is for when electricity deficiency, the charging power that automatic reception is extraneous, to ensure the supply of electric power of LED tri coloured lantern equipment, LED tri coloured lantern equipment is for alternately showing red yellowish green trichromatism；
2) described control system is used。
2. the method for claim 1, it is characterised in that described control system includes:
Energy measuring equipment, it is connected for controlling equipment with the civil power access interface of power supply equipment and distal center respectively, unit and a RS485 communication unit is detected including energy expenditure, energy expenditure detection unit is connected with civil power access interface, for when power supply equipment carries out supply of electric power, determine the energy that described control system consumes, oneth RS485 communication unit detects unit with energy expenditure and is connected, and controls equipment for the energy that described control system consumes is sent to distal center；
Electric power detection equipment, is connected with the voltage conversion circuit of power supply equipment, and whether the voltage provided for detecting voltage conversion circuit meets predeterminated voltage, when the voltage that voltage conversion circuit provides is lower than predeterminated voltage, sends electricity shortage signal；
Location equipment, for the LED traffic signal lamp when receiving positioning starting signal, near Automatic-searching；
Automated communications, it is connected with location equipment, after the LED traffic signal lamp near searching out, is sent to handshake to set up and communication link between, and complete with near LED traffic signal lamp communication link set up operation after, send link establishment and complete signal；
Automatic charging equipment, for when receiving link establishment and completing signal, receiving the neighbouring LED traffic signal lamp wireless charging to it, and replace power supply equipment after charging complete to carry out supply of electric power；
RS485 serial communication device, communicates for the RS485 realized between MSP430 single-chip microcomputer with distal center control equipment；
MSP430 single-chip microcomputer, equipment is detected respectively with electric power, location equipment, automated communications, automatic charging equipment and RS485 serial communication device connect, for after receiving electricity shortage signal, start location equipment, automated communications and automatic charging equipment, electricity shortage signal is sent to distal center by RS485 serial communication device and controls equipment, and positioning starting signal is sent to location equipment, it is additionally operable to receiving after link establishment completes signal, control equipment by RS485 serial communication device to distal center and send wireless charging enabling signal, with start location equipment search out near LED traffic signal lamp wireless charging operation；
Vehicle pass-through time detecting equipment, for detecting and export vehicle by the average time needed for Current traffic crossing, including:
Timing unit, is used for providing and exporting timing signal；
Ultrasound wave transmitting element, is positioned at the surface at Current traffic crossing, is used for Current traffic crossing ground launch ultrasonic signal；
Ultrasound wave receives unit, is positioned at the surface at Current traffic crossing together with ultrasound wave transmitting element, for receiving the ultrasonic signal of reflection；
Detection control unit, receive unit with timing unit, object-recognition unit, ultrasound wave transmitting element and ultrasound wave respectively to be connected, for whether changing based on the interval launched between ultrasonic signal and the ultrasonic signal receiving reflection, determine whether that sending target exists signal, be additionally operable to determine that vehicle passes through the average time needed for Current traffic crossing based on each by the transit time of the vehicle at Current traffic crossing；
Object-recognition unit, after being positioned at the surface at Current traffic crossing and being positioned at ultrasound wave transmitting element, the radical length of distance ultrasound wave transmitting element is 10 millimeters, it is connected with detection control unit and timing unit respectively, for receiving after target exists signal, determine whether the target by Current traffic crossing is vehicle based on image recognition mode, so that vehicle target signal or non-vehicle echo signal are sent to detection control unit, calculate vehicle headstock simultaneously and preset baseline and the vehicle tailstock interval between the default baseline in Current traffic crossing through Current traffic crossing, it is sent to detection control unit using the transit time as vehicle, wherein, baseline is preset on ground, Current traffic crossing in Current traffic crossing, radial position is after object-recognition unit, the radical length of distance objective recognition unit is 30 millimeters；
The current vehicle fleet size instruction equipment of residue, for being connected with vehicle pass-through time detecting equipment to receive vehicle by the average time needed for Current traffic crossing, indicate with amber light countdown equipment to be connected the count down time that receives its output, and the vehicle fleet size that can also pass through before being turned off by determining the average time needed for Current traffic crossing and count down time yellow LED king light or the yellow auxiliary lamp of LED based on vehicle is to show and to export as remaining the vehicle fleet size that passes through；
LED tri coloured lantern equipment, including red LED king light, yellow LED king light, green LED king light, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, respectively as the replacement lamp of red LED king light, yellow LED king light and green LED king light, display or shutoff operation replacing corresponding king light when corresponding king light breaks down；
Amber light countdown instruction equipment, during lamp display auxiliary for the yellow LED king light in LED tri coloured lantern equipment or yellow LED, triggers the display countdown operation to yellow LED king light or the yellow auxiliary lamp of LED, and shows the count down time of correspondence；
Walk display lamp equipment, allows lamp, walk switching lamp and walk to forbid lamp including walk, and walk switching lamp is shown in before walk allows lamp to show and after walk forbids that lamp is closed；
Signalized control equipment, is connected with LED tri coloured lantern equipment, amber light countdown instruction equipment and walk display lamp equipment respectively, for controlling the display operation of LED tri coloured lantern equipment, amber light countdown instruction equipment and walk display lamp equipment simultaneously；
LCD display device, including LCD display, display screen driver element and RS232 serial communication unit, LCD display is integrated with touch screen, display screen driver element is connected with LCD display, for driving LCD display to realize display operation or to receive touch screen input operation, serial communication unit is connected with display screen driver element and MSP430 single-chip microcomputer respectively, is used for receiving in display and perhaps sends touch sheet input content；
Vehicle Flow Detection equipment, unit and the 2nd RS485 communication unit is detected including active annular vehicle, active annular vehicle detection unit is for detecting the speed of the vehicle travelling Current traffic crossing, vehicle commander, spacing and traffic density, 2nd RS485 communication unit controls equipment with active annular vehicle detection unit and distal center respectively and is connected, and controls equipment for the speed of the vehicle travelling Current traffic crossing, spacing and traffic density are sent to distal center；
Power supply equipment, including civil power access interface, Transformer Rectifier circuit, filter regulator circuit and voltage conversion circuit, civil power access interface is used for receiving civil power supply of electric power, Transformer Rectifier circuit is connected with civil power access interface, for the civil power electric power signal received being sequentially carried out transformation operation and rectifying operation, to obtain rectified power signal, filter regulator circuit is connected with Transformer Rectifier circuit, for rectified power signal being sequentially carried out filtering operation and voltage stabilizing operation, to obtain regulated power signal, voltage conversion circuit is connected with filter regulator circuit, for regulated power signal being carried out voltage conversion operation, to obtain 12V, 5V or 3.3V voltage signal；
Wherein, in red LED king light, yellow LED king light, green LED king light, the auxiliary lamp of red LED, the yellow auxiliary lamp of LED and the auxiliary lamp of green LED, each LED includes negative pin, positive pole pin, reflection cap, LED chip and epoxy resin lenses; LED chip is connected with negative pin and positive pole pin respectively; reflection cap is arranged on the lower section of LED chip; epoxy resin lenses is circular; it is arranged on above LED chip and wraps up LED chip, for protecting LED chip light that LED chip is sent to carry out optically focused。
3. method as claimed in claim 2, it is characterised in that:
Location equipment includes range cells and GPS unit。
4. method as claimed in claim 2, it is characterised in that:
Alternatively, all operations of detection control unit is by MSP430 chip microcontroller。
5. method as claimed in claim 2, it is characterised in that:
Amber light countdown instruction equipment and the current vehicle fleet size instruction equipment of residue are integrated on one piece of surface-mounted integrated circuit。
6. method as claimed in claim 2, it is characterised in that:
Vehicle pass-through time detecting equipment is arranged on the crossbar center position above Current traffic crossing, and LCD display device is arranged in the switch board near Current traffic crossing。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246836.9A CN105702064A (en) | 2016-04-20 | 2016-04-20 | Method for controlling LED traffic signal lamp |
| CN201610481377.2A CN106056941A (en) | 2016-04-20 | 2016-04-20 | LED traffic signal lamp control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246836.9A CN105702064A (en) | 2016-04-20 | 2016-04-20 | Method for controlling LED traffic signal lamp |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610481377.2A Division CN106056941A (en) | 2016-04-20 | 2016-04-20 | LED traffic signal lamp control system |
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| CN105702064A true CN105702064A (en) | 2016-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610481377.2A Withdrawn CN106056941A (en) | 2016-04-20 | 2016-04-20 | LED traffic signal lamp control system |
| CN201610246836.9A Pending CN105702064A (en) | 2016-04-20 | 2016-04-20 | Method for controlling LED traffic signal lamp |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610481377.2A Withdrawn CN106056941A (en) | 2016-04-20 | 2016-04-20 | LED traffic signal lamp control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117994993A (en) * | 2024-04-02 | 2024-05-07 | 中国电建集团昆明勘测设计研究院有限公司 | Road intersection traffic light control method, system, electronic equipment and storage medium |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3065830B1 (en) * | 2017-04-28 | 2023-03-10 | Eci Signalisation | EDUCATIONAL RADAR DEVICE INTEGRATED IN THE YELLOW SIGNAL OF A TRAFFIC LIGHT |
| CN108877257A (en) * | 2018-08-07 | 2018-11-23 | 安徽工程大学 | A kind of traffic signal lamp system and control method |
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| CN106056941A (en) | 2016-10-26 |
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Application publication date: 20160622 |