CN112991803A - Traffic signal lamp remote monitoring method - Google Patents

Abstract

The invention provides a traffic signal lamp remote monitoring method, which comprises the following steps: the utility model provides a but road traffic signal lamp of remote monitoring, the signal lamp is located current traffic crossing, including fault detection equipment, frequency division duplex transmission interface, LED tristimulus designation lamp equipment and pedestrian's current pilot lamp equipment, fault detection equipment is connected with LED tristimulus designation lamp equipment and pedestrian's current pilot lamp equipment respectively for whether detect LED tristimulus designation lamp equipment or pedestrian's current pilot lamp equipment break down, frequency division duplex transmission interface is connected with fault detection equipment, is used for wireless transmission fault detection equipment's testing result, then this signal lamp of operation. By adopting the technical scheme of the invention, the technical problems of providing more auxiliary information for a vehicle driver and guaranteeing effective power supply are solved by establishing a yellow light display countdown mechanism, a yellow light display remaining time mechanism and a wireless charging mechanism, and in addition, the structure and the function of the conventional LED traffic signal lamp are optimized and perfected.

Description

Traffic signal lamp remote monitoring method

Technical Field

The invention belongs to the technical field of traffic facilities, and particularly relates to a traffic signal lamp remote monitoring method.

Background

With the development of socio-economy, urban traffic issues are attracting more and more attention. Coordination of the relationship among people, vehicles and roads becomes one of the problems which are urgently needed to be solved by the traffic department, and correct design and construction of traffic signal lamps are the basis for ensuring smooth and safe traffic of roads and roads. Therefore, the design, control, and fault management and maintenance of the signal lamp are critical. In the field of traffic signals, development of LED light sources has been actively conducted. Many demonstration projects are available at home and abroad, and good effects are achieved. The existing LED light source has great advantages in reducing expenditure and light pollution, and has the characteristics of good color temperature, less stray light and the like.

However, there are still some problems that are exposed to be solved in the current practical use of LED traffic signals. For example, there is a lack of a mechanism for providing early warning information during the period of displaying yellow lights, where the early warning information includes the remaining time of displaying yellow lights and the number of vehicles that can still pass through in the remaining time, which easily causes misjudgment of a vehicle driver, and changes a yellow light running into a red light running, and if not, wireless charging cannot be performed.

Therefore, for the application occasion of remote control, a new design scheme of the road traffic signal lamp is needed, the structure of the existing LED traffic signal lamp can be optimized, and an early warning information providing mechanism and a wireless charging mechanism during the display period of the yellow light are added, so that the problems are solved.

Disclosure of Invention

In order to solve the technical problem, the invention provides a traffic signal lamp remote monitoring method.

The invention is realized by the following technical scheme.

The invention provides a traffic signal lamp remote monitoring method, which comprises the following steps:

the method comprises the following steps: the signal lamp is positioned at a current traffic intersection and comprises fault detection equipment, a frequency division duplex transmission interface, LED tri-color lamp equipment and pedestrian traffic indicator lamp equipment, wherein the fault detection equipment is respectively connected with the LED tri-color lamp equipment and the pedestrian traffic indicator lamp equipment and is used for detecting whether the LED tri-color lamp equipment or the pedestrian traffic indicator lamp equipment has a fault or not, and the frequency division duplex transmission interface is connected with the fault detection equipment and is used for wirelessly sending a detection result of the fault detection equipment;

step two: the signal lamp is operated.

The signal lamp includes:

the fault detection equipment is used for detecting whether various faults occur during the operation of the signal lamp and outputting fault numbers corresponding to the faults when the faults occur;

the frequency division duplex transmission interface is used for establishing a bidirectional wireless communication link with a far-end street lamp management server, is also connected with the fault detection equipment to receive the fault number and sends the fault number to the far-end street lamp management server through the wireless communication link;

the power detection device is connected with the voltage conversion circuit of the power supply device and used for detecting whether the voltage provided by the voltage conversion circuit meets the preset voltage or not and sending out a power shortage signal when the voltage provided by the voltage conversion circuit is lower than the preset voltage;

the positioning equipment is used for automatically searching for the nearby LED traffic signal lamp when receiving the positioning starting signal;

the automatic communication equipment is connected with the positioning equipment and used for sending a handshake signal to the positioning equipment after the LED traffic signal lamp nearby is found so as to establish a communication link with the positioning equipment, and sending a link establishment completion signal after the communication link establishment operation with the LED traffic signal lamp nearby is completed;

the automatic charging equipment is used for receiving wireless charging of the LED traffic signal lamp nearby when receiving the link establishment completion signal, and replacing the power supply equipment for power supply after charging is completed;

the RS485 communication interface is used for realizing RS485 communication between the AVR32 chip and the remote central control equipment;

the AVR32 chip is respectively connected with the power detection device, the positioning device, the automatic communication device, the automatic charging device and the RS485 communication interface, is used for starting the positioning device, the automatic communication device and the automatic charging device after receiving the insufficient electric quantity signal, sending the insufficient electric quantity signal to the remote central control device through the RS485 communication interface, sending the positioning starting signal to the positioning device, and sending the wireless charging starting signal to the remote central control device through the RS485 communication interface after receiving the link establishment completion signal so as to start the wireless charging operation of the nearby LED traffic signal lamps found by the positioning device;

a vehicle transit time detection apparatus for detecting and outputting an average time required for a vehicle to pass through a current traffic intersection, comprising:

a timing unit for providing and outputting a timing signal;

the ultrasonic transmitting unit is positioned right above the current traffic intersection and used for transmitting ultrasonic signals to the ground of the current traffic intersection;

the ultrasonic receiving unit and the ultrasonic transmitting unit are positioned right above the current traffic intersection together and are used for receiving the reflected ultrasonic signals;

the detection control unit is respectively connected with the timing unit, the target identification unit, the ultrasonic wave sending unit and the ultrasonic wave receiving unit, is used for determining whether to send out a target existence signal or not based on whether the time interval between the ultrasonic wave sending unit and the ultrasonic wave receiving unit is changed or not, and is also used for determining the average time required by the vehicle to pass through the current traffic intersection based on the passing time of each vehicle passing through the current traffic intersection;

the object identification unit is positioned right above the current traffic intersection and behind the ultrasonic wave transmitting unit, the radial length of the ultrasonic transmitting unit is 10 mm, the ultrasonic transmitting unit is respectively connected with the detection control unit and the timing unit, for determining whether the object passing through the current traffic intersection is a vehicle based on an image recognition manner after receiving the object existence signal, to transmit a vehicle object signal or a non-vehicle object signal to the detection control unit, meanwhile, the time interval between the vehicle head passing through the preset base line of the current traffic intersection and the vehicle tail passing through the preset base line of the current traffic intersection is calculated and is sent to the detection control unit as the passing time of the vehicle, the preset base line of the current traffic intersection is arranged on the ground of the current traffic intersection, the radial position is behind the target identification unit, and the radial length from the target identification unit is 30 mm;

the remaining passing vehicle number indicating device is connected with the vehicle passing time detecting device to receive the average time required by the vehicle to pass through the current traffic intersection, is connected with the yellow light countdown indicating device to receive the countdown time output by the yellow light countdown indicating device, and determines the number of vehicles which can pass through the yellow LED main lamp or the yellow LED auxiliary lamp before the yellow LED main lamp or the yellow LED auxiliary lamp is turned off based on the average time required by the vehicle to pass through the current traffic intersection and the countdown time to be used as the remaining passing vehicle number for displaying and outputting;

the LED three-color lamp equipment comprises a red LED main lamp, a yellow LED main lamp, a green LED main lamp, a red LED auxiliary lamp, a yellow LED auxiliary lamp and a green LED auxiliary lamp, wherein the red LED auxiliary lamp, the yellow LED auxiliary lamp and the green LED auxiliary lamp are respectively used as replacement lamps of the red LED main lamp, the yellow LED main lamp and the green LED main lamp so as to replace the corresponding main lamps to perform display or closing operation when the corresponding main lamps break down;

the yellow light countdown indicating equipment is used for triggering display countdown operation of the yellow LED main light or the yellow LED auxiliary light when the yellow LED main light or the yellow LED auxiliary light in the LED three-color light equipment displays, and displaying corresponding countdown time;

the pedestrian passage indicating lamp device comprises a pedestrian passage allowing lamp, a pedestrian passage switching lamp and a pedestrian passage prohibiting lamp, wherein the pedestrian passage switching lamp is displayed before the pedestrian passage allowing lamp is displayed and is turned off after the pedestrian passage prohibiting lamp is turned off;

the signal lamp control equipment is respectively connected with the LED three-color lamp equipment, the yellow lamp countdown indicating equipment and the pedestrian traffic indicating lamp equipment and is used for simultaneously controlling the display operation of the LED three-color lamp equipment, the yellow lamp countdown indicating equipment and the pedestrian traffic indicating lamp equipment;

the LCD display equipment comprises an LCD display screen, a display screen driving unit and an RS232 serial communication unit, wherein the LCD display screen is integrated with a touch screen, the display screen driving unit is connected with the LCD display screen and used for driving the LCD display screen to realize display operation or receive input operation of the touch screen, and the serial communication unit is respectively connected with the display screen driving unit and an AVR32 chip and used for receiving display content or sending input content of the touch sheet;

the traffic flow detection device comprises an active annular vehicle detection unit and an RS485 communication unit, wherein the active annular vehicle detection unit is used for detecting the speed, the length, the distance and the density of vehicles of the vehicles passing through the current traffic intersection, and the RS485 communication unit is respectively connected with the active annular vehicle detection unit and the far-end central control device and is used for sending the speed, the distance and the density of the vehicles passing through the current traffic intersection to the far-end central control device;

the power supply equipment comprises a mains supply access interface, a voltage transformation rectifying circuit, a filtering voltage stabilizing circuit and a voltage conversion circuit, wherein the mains supply access interface is used for receiving mains supply power supply, the voltage transformation rectifying circuit is connected with the mains supply access interface and is used for sequentially carrying out voltage transformation operation and rectification operation on received mains supply power signals to obtain rectified power signals, the filtering voltage stabilizing circuit is connected with the voltage transformation rectifying circuit and is used for sequentially carrying out filtering operation and voltage stabilizing operation on the rectified power signals to obtain voltage-stabilized power signals, and the voltage conversion circuit is connected with the filtering voltage stabilizing circuit and is used for carrying out voltage conversion operation on the voltage-stabilized power signals to obtain 12V, 5V or 3.3V voltage signals;

wherein, red LED owner lamp, yellow LED owner lamp, green LED owner lamp, red LED assists the lamp, yellow LED assists lamp and green LED and assists each LED lamp in the lamp and all include the negative pole pin, anodal pin, the reflection cap, LED chip and epoxy lens, the LED chip is connected with negative pole pin and anodal pin respectively, the reflection cap sets up the below at the LED chip, epoxy lens are circular, the setting is in LED chip top and parcel LED chip for the light that the protection LED chip sent carries out spotlight to the LED chip.

The positioning device includes a ranging unit and a GPS unit.

Alternatively, the entire operation of the detection control unit is realized by the MSP430 single chip microcomputer.

The yellow light countdown indicating device and the remaining passing vehicle number indicating device are integrated on one integrated circuit board.

The vehicle passing time detection device is arranged at the center of the cross bar above the current traffic intersection, and the LCD display device is arranged in the control cabinet near the current traffic intersection.

The invention has the beneficial effects that: by adopting the technical scheme of the invention, aiming at the technical problems that more auxiliary information cannot be provided for a vehicle driver and power supply cannot be effectively guaranteed in the prior art, the technical problems are solved by establishing a yellow light display countdown mechanism, a yellow light display remaining time mechanism and a wireless charging mechanism while remote monitoring is realized, and in addition, the structure and the function of the conventional LED traffic signal lamp are optimized and perfected.

Drawings

Fig. 1 is a functional block diagram of the present invention.

In the figure: the system comprises a fault detection device, a 2-frequency division duplex transmission interface, a 3-LED three-color lamp device and a 4-pedestrian traffic indicator lamp device.

Detailed Description

The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.

The invention provides a traffic signal lamp remote monitoring method, as shown in figure 1,

LED traffic signals have many advantages over conventional traffic signals that are illuminated by incandescent or metal tungsten halogen lamps.

Firstly, the LED traffic signal lamp has good reliability and long service life, and practice proves that the service life of a plurality of LED signal lamps is greatly longer than 5 years without damage, and in addition, the LED signal lamp has the outstanding advantage of fast response time, thereby greatly reducing the probability of accidents in application. Secondly, the LED traffic signal lamp has the characteristics of monochromatic light and divergence angles, because the LED emits the monochromatic light, the LED does not need to be used for regenerating different colors such as red, yellow, green and the like under the action of a color sheet in use, and in addition, because the light emitted by the LED presents certain directivity and has a specific divergence angle, the conventional method of adopting an aspheric reflector is avoided in application. Finally, the LED signal lamp has the advantages of cold light source and low energy consumption.

However, the existing LED traffic signal has the following disadvantages: firstly, a yellow light display countdown mechanism and a yellow light display remaining time determining mechanism for the number of vehicles capable of passing are lacked, and sufficient information cannot be provided for a vehicle driver to realize an early warning function, so that the vehicle driver is caused to actually have red light running violation after making a yellow light running decision; secondly, a wireless charging technology is lacked, and powerful guarantee cannot be provided for power supply of the LED traffic signal lamp; finally, the existing LED traffic signal is too simple in structure, and some auxiliary devices are required to be added to improve the intelligence level.

In order to overcome the defects, the invention builds the road traffic signal lamp capable of being remotely monitored, can simultaneously solve the defects, provides more auxiliary information for vehicles and pedestrians needing the traffic signal lamp, enhances the reliability and intelligent level of the traffic signal lamp, and enables the traffic signal lamp to be better served for urban construction.

Fig. 1 is a block diagram of a structure of a road traffic signal lamp capable of being remotely monitored according to an embodiment of the present invention, where the signal lamp is located at a current traffic intersection and includes a fault detection device, a frequency division duplex transmission interface, an LED tri-color lamp device and a pedestrian traffic indicator device, the fault detection device is respectively connected to the LED tri-color lamp device and the pedestrian traffic indicator device and is configured to detect whether the LED tri-color lamp device or the pedestrian traffic indicator device has a fault, and the frequency division duplex transmission interface is connected to the fault detection device and is configured to wirelessly transmit a detection result of the fault detection device.

Next, the detailed structure of the road traffic signal lamp capable of remote monitoring according to the present invention will be further described.

The signal lamp includes: and the fault detection equipment is used for detecting whether various faults occur during the operation of the signal lamp and outputting fault numbers corresponding to the faults when the faults occur.

The signal lamp includes: and the frequency division duplex transmission interface establishes a bidirectional wireless communication link with the far-end street lamp management server, is also connected with the fault detection equipment to receive the fault number, and sends the fault number to the far-end street lamp management server through the wireless communication link.

The signal lamp includes: and the power detection equipment is connected with the voltage conversion circuit of the power supply equipment and used for detecting whether the voltage provided by the voltage conversion circuit accords with the preset voltage or not, and when the voltage provided by the voltage conversion circuit is lower than the preset voltage, the power detection equipment sends out a power shortage signal.

The signal lamp includes: the positioning equipment is used for automatically searching for the nearby LED traffic signal lamp when receiving the positioning starting signal; the automatic communication equipment is connected with the positioning equipment and used for sending a handshake signal to the positioning equipment after the LED traffic signal lamp nearby is found so as to establish a communication link with the positioning equipment, and sending a link establishment completion signal after the communication link establishment operation with the LED traffic signal lamp nearby is completed; and the automatic charging equipment is used for receiving wireless charging of the LED traffic signal lamp nearby when the link establishment completion signal is received, and replacing the power supply equipment for power supply after the charging is completed.

The signal lamp includes: and the RS485 communication interface is used for realizing RS485 communication between the AVR32 chip and the remote central control equipment.

The signal lamp includes: the AVR32 chip is respectively connected with the power detection device, the positioning device, the automatic communication device, the automatic charging device and the RS485 communication interface, and is used for starting the positioning device, the automatic communication device and the automatic charging device after receiving the insufficient electric quantity signal, sending the insufficient electric quantity signal to the far-end central control device through the RS485 communication interface, sending the positioning starting signal to the positioning device, and sending the wireless charging starting signal to the far-end central control device through the RS485 communication interface after receiving the link establishment completion signal, so as to start the wireless charging operation of the LED traffic signal lamp nearby, which is found by the positioning device.

The signal lamp includes: a vehicle transit time detection apparatus for detecting and outputting an average time required for a vehicle to pass through a current traffic intersection, comprising: a timing unit for providing and outputting a timing signal; the ultrasonic transmitting unit is positioned right above the current traffic intersection and used for transmitting ultrasonic signals to the ground of the current traffic intersection; the ultrasonic receiving unit and the ultrasonic transmitting unit are positioned right above the current traffic intersection together and are used for receiving the reflected ultrasonic signals; the detection control unit is respectively connected with the timing unit, the target identification unit, the ultrasonic wave sending unit and the ultrasonic wave receiving unit, is used for determining whether to send out a target existence signal or not based on whether the time interval between the ultrasonic wave sending unit and the ultrasonic wave receiving unit is changed or not, and is also used for determining the average time required by the vehicle to pass through the current traffic intersection based on the passing time of each vehicle passing through the current traffic intersection; the object identification unit is positioned right above the current traffic intersection and behind the ultrasonic wave transmitting unit, the radial length of the ultrasonic transmitting unit is 10 mm, the ultrasonic transmitting unit is respectively connected with the detection control unit and the timing unit, for determining whether the object passing through the current traffic intersection is a vehicle based on an image recognition manner after receiving the object existence signal, to transmit a vehicle object signal or a non-vehicle object signal to the detection control unit, meanwhile, the time interval between the vehicle head passing through the preset base line of the current traffic intersection and the vehicle tail passing through the preset base line of the current traffic intersection is calculated and is sent to the detection control unit as the passing time of the vehicle, the preset base line of the current traffic intersection is arranged on the ground of the current traffic intersection, the radial position is behind the target identification unit, and the radial length from the target identification unit is 30 mm.

The signal lamp includes: and the number-of-vehicles-left-to-pass indicating device is connected with the vehicle passing time detection device to receive the average time required by the vehicles to pass through the current traffic intersection, is connected with the yellow light countdown indicating device to receive the countdown time output by the yellow light countdown indicating device, and determines the number of vehicles which can pass through the yellow LED main lamp or the yellow LED auxiliary lamp before the vehicles are turned off based on the average time required by the vehicles to pass through the current traffic intersection and the countdown time to be displayed and output as the number of vehicles-left-to-pass.

The signal lamp includes: the LED three-color lamp equipment comprises a red LED main lamp, a yellow LED main lamp, a green LED main lamp, a red LED auxiliary lamp, a yellow LED auxiliary lamp and a green LED auxiliary lamp, wherein the red LED auxiliary lamp, the yellow LED auxiliary lamp and the green LED auxiliary lamp are respectively used as replacement lamps of the red LED main lamp, the yellow LED main lamp and the green LED main lamp so as to replace the corresponding main lamps to perform display or closing operation when the corresponding main lamps break down; the yellow light countdown indicating equipment is used for triggering display countdown operation of the yellow LED main light or the yellow LED auxiliary light when the yellow LED main light or the yellow LED auxiliary light in the LED three-color light equipment displays, and displaying corresponding countdown time; pedestrian's indicator lamp equipment that passes includes pedestrian's permission lamp, pedestrian's switching lamp that passes through and pedestrian's prohibition lamp that passes through, and pedestrian's switching lamp that passes through shows before pedestrian's permission lamp shows and after pedestrian's prohibition lamp that passes through closes.

The signal lamp includes: the signal lamp control equipment is respectively connected with the LED three-color lamp equipment, the yellow lamp countdown indicating equipment and the pedestrian traffic indicating lamp equipment and is used for simultaneously controlling the display operation of the LED three-color lamp equipment, the yellow lamp countdown indicating equipment and the pedestrian traffic indicating lamp equipment; the LCD display equipment comprises an LCD display screen, a display screen driving unit and an RS232 serial communication unit, wherein the LCD display screen is integrated with a touch screen, the display screen driving unit is connected with the LCD display screen and used for driving the LCD display screen to realize display operation or receive touch screen input operation, and the serial communication unit is respectively connected with the display screen driving unit and an AVR32 chip and used for receiving display content or sending touch screen input content.

The signal lamp includes: the traffic flow detection device comprises an active annular vehicle detection unit and an RS485 communication unit, wherein the active annular vehicle detection unit is used for detecting the speed, the length, the distance and the density of vehicles of the vehicles passing through the current traffic intersection, and the RS485 communication unit is respectively connected with the active annular vehicle detection unit and the far-end central control device and is used for sending the speed, the distance and the density of the vehicles passing through the current traffic intersection to the far-end central control device.

The signal lamp includes: power supply equipment, including commercial power access interface, vary voltage rectifier circuit, filtering voltage stabilizing circuit and voltage conversion circuit, commercial power access interface is used for receiving commercial power supply, vary voltage rectifier circuit and commercial power access interface connection, be used for carrying out vary voltage operation and rectification operation in proper order to the commercial power signal of receiving, in order to obtain rectification power signal, filtering voltage stabilizing circuit is connected with vary voltage rectifier circuit, be used for carrying out filtering operation and steady voltage operation in proper order to rectification power signal, in order to obtain steady voltage power signal, voltage conversion circuit is connected with filtering voltage stabilizing circuit, be used for carrying out voltage conversion operation to steady voltage power signal, in order to obtain 12V, 5V or 3.3V voltage signal.

Wherein, red LED owner lamp, yellow LED owner lamp, green LED owner lamp, red LED assists the lamp, yellow LED assists lamp and green LED and assists each LED lamp in the lamp and all include the negative pole pin, anodal pin, the reflection cap, LED chip and epoxy lens, the LED chip is connected with negative pole pin and anodal pin respectively, the reflection cap sets up the below at the LED chip, epoxy lens are circular, the setting is in LED chip top and parcel LED chip for the light that the protection LED chip sent carries out spotlight to the LED chip.

Optionally, in the signal lamp: the positioning equipment comprises a distance measuring unit and a GPS unit; alternatively, the whole operation of the detection control unit is realized by the MSP430 single chip microcomputer; the yellow light countdown indicating equipment and the remaining passing vehicle quantity indicating equipment are integrated on the same integrated circuit board; the vehicle passing time detection device can be arranged at the center of the cross bar above the current traffic intersection, and the LCD display device is arranged in the control cabinet near the current traffic intersection.

In addition, an LED, i.e., a light emitting diode, is one of semiconductor diodes that can convert electric energy into light energy. The light emitting diode is composed of a PN junction as common diodes, and also has unidirectional conductivity. When a forward voltage is applied to the light emitting diode, holes injected from the P region to the N region and electrons injected from the N region to the P region recombine with the electrons in the N region and the holes in the P region within a few micrometers near the PN junction, respectively, and spontaneous emission fluorescence is generated.

The energy states of electrons and holes are different in different semiconductor materials. The more energy is released, the shorter the wavelength of light emitted, the more energy is released when electrons and holes recombine. Diodes emitting red, green or yellow light are commonly used. The reverse breakdown voltage of the light emitting diode is greater than 5 volts. The forward current-voltage characteristic of a light emitting diode is steep and a current limiting resistor must be connected in series to control the current through the diode when in use.

By adopting the road traffic signal lamp capable of being remotely monitored, the technical problems that more auxiliary information cannot be provided for a vehicle driver and power supply cannot be effectively guaranteed in the prior art are solved by establishing a yellow light display countdown mechanism, a yellow light display remaining time mechanism and a wireless charging mechanism while the remote monitoring is realized, and in addition, the structure and the function of the conventional LED traffic signal lamp are optimized and perfected.

Claims (6)

1. A traffic signal lamp remote monitoring method is characterized in that: the method comprises the following steps:

the method comprises the following steps: the signal lamp is positioned at a current traffic intersection and comprises fault detection equipment, a frequency division duplex transmission interface, LED tri-color lamp equipment and pedestrian traffic indicator lamp equipment, wherein the fault detection equipment is respectively connected with the LED tri-color lamp equipment and the pedestrian traffic indicator lamp equipment and is used for detecting whether the LED tri-color lamp equipment or the pedestrian traffic indicator lamp equipment has a fault or not, and the frequency division duplex transmission interface is connected with the fault detection equipment and is used for wirelessly sending a detection result of the fault detection equipment;

step two: the signal lamp is operated.

2. The traffic signal remote monitoring method of claim 1, wherein the signal comprises:

the fault detection equipment is used for detecting whether various faults occur during the operation of the signal lamp and outputting fault numbers corresponding to the faults when the faults occur;

the frequency division duplex transmission interface is used for establishing a bidirectional wireless communication link with a far-end street lamp management server, is also connected with the fault detection equipment to receive the fault number and sends the fault number to the far-end street lamp management server through the wireless communication link;

the power detection device is connected with the voltage conversion circuit of the power supply device and used for detecting whether the voltage provided by the voltage conversion circuit meets the preset voltage or not and sending out a power shortage signal when the voltage provided by the voltage conversion circuit is lower than the preset voltage;

the positioning equipment is used for automatically searching for the nearby LED traffic signal lamp when receiving the positioning starting signal;

the automatic communication equipment is connected with the positioning equipment and used for sending a handshake signal to the positioning equipment after the LED traffic signal lamp nearby is found so as to establish a communication link with the positioning equipment, and sending a link establishment completion signal after the communication link establishment operation with the LED traffic signal lamp nearby is completed;

the automatic charging equipment is used for receiving wireless charging of the LED traffic signal lamp nearby when receiving the link establishment completion signal, and replacing the power supply equipment for power supply after charging is completed;

the RS485 communication interface is used for realizing RS485 communication between the AVR32 chip and the remote central control equipment;

the AVR32 chip is respectively connected with the power detection device, the positioning device, the automatic communication device, the automatic charging device and the RS485 communication interface, is used for starting the positioning device, the automatic communication device and the automatic charging device after receiving the insufficient electric quantity signal, sending the insufficient electric quantity signal to the remote central control device through the RS485 communication interface, sending the positioning starting signal to the positioning device, and sending the wireless charging starting signal to the remote central control device through the RS485 communication interface after receiving the link establishment completion signal so as to start the wireless charging operation of the nearby LED traffic signal lamps found by the positioning device;

a vehicle transit time detection apparatus for detecting and outputting an average time required for a vehicle to pass through a current traffic intersection, comprising:

a timing unit for providing and outputting a timing signal;

the ultrasonic transmitting unit is positioned right above the current traffic intersection and used for transmitting ultrasonic signals to the ground of the current traffic intersection;

the ultrasonic receiving unit and the ultrasonic transmitting unit are positioned right above the current traffic intersection together and are used for receiving the reflected ultrasonic signals;

the detection control unit is respectively connected with the timing unit, the target identification unit, the ultrasonic wave sending unit and the ultrasonic wave receiving unit, is used for determining whether to send out a target existence signal or not based on whether the time interval between the ultrasonic wave sending unit and the ultrasonic wave receiving unit is changed or not, and is also used for determining the average time required by the vehicle to pass through the current traffic intersection based on the passing time of each vehicle passing through the current traffic intersection;

the object identification unit is positioned right above the current traffic intersection and behind the ultrasonic wave transmitting unit, the radial length of the ultrasonic transmitting unit is 10 mm, the ultrasonic transmitting unit is respectively connected with the detection control unit and the timing unit, for determining whether the object passing through the current traffic intersection is a vehicle based on an image recognition manner after receiving the object existence signal, to transmit a vehicle object signal or a non-vehicle object signal to the detection control unit, meanwhile, the time interval between the vehicle head passing through the preset base line of the current traffic intersection and the vehicle tail passing through the preset base line of the current traffic intersection is calculated and is sent to the detection control unit as the passing time of the vehicle, the preset base line of the current traffic intersection is arranged on the ground of the current traffic intersection, the radial position is behind the target identification unit, and the radial length from the target identification unit is 30 mm;

the remaining passing vehicle number indicating device is connected with the vehicle passing time detecting device to receive the average time required by the vehicle to pass through the current traffic intersection, is connected with the yellow light countdown indicating device to receive the countdown time output by the yellow light countdown indicating device, and determines the number of vehicles which can pass through the yellow LED main lamp or the yellow LED auxiliary lamp before the yellow LED main lamp or the yellow LED auxiliary lamp is turned off based on the average time required by the vehicle to pass through the current traffic intersection and the countdown time to be used as the remaining passing vehicle number for displaying and outputting;

the LED three-color lamp equipment comprises a red LED main lamp, a yellow LED main lamp, a green LED main lamp, a red LED auxiliary lamp, a yellow LED auxiliary lamp and a green LED auxiliary lamp, wherein the red LED auxiliary lamp, the yellow LED auxiliary lamp and the green LED auxiliary lamp are respectively used as replacement lamps of the red LED main lamp, the yellow LED main lamp and the green LED main lamp so as to replace the corresponding main lamps to perform display or closing operation when the corresponding main lamps break down;

the yellow light countdown indicating equipment is used for triggering display countdown operation of the yellow LED main light or the yellow LED auxiliary light when the yellow LED main light or the yellow LED auxiliary light in the LED three-color light equipment displays, and displaying corresponding countdown time;

the pedestrian passage indicating lamp device comprises a pedestrian passage allowing lamp, a pedestrian passage switching lamp and a pedestrian passage prohibiting lamp, wherein the pedestrian passage switching lamp is displayed before the pedestrian passage allowing lamp is displayed and is turned off after the pedestrian passage prohibiting lamp is turned off;

the signal lamp control equipment is respectively connected with the LED three-color lamp equipment, the yellow lamp countdown indicating equipment and the pedestrian traffic indicating lamp equipment and is used for simultaneously controlling the display operation of the LED three-color lamp equipment, the yellow lamp countdown indicating equipment and the pedestrian traffic indicating lamp equipment;

the LCD display equipment comprises an LCD display screen, a display screen driving unit and an RS232 serial communication unit, wherein the LCD display screen is integrated with a touch screen, the display screen driving unit is connected with the LCD display screen and used for driving the LCD display screen to realize display operation or receive input operation of the touch screen, and the serial communication unit is respectively connected with the display screen driving unit and an AVR32 chip and used for receiving display content or sending input content of the touch sheet;

the traffic flow detection device comprises an active annular vehicle detection unit and an RS485 communication unit, wherein the active annular vehicle detection unit is used for detecting the speed, the length, the distance and the density of vehicles of the vehicles passing through the current traffic intersection, and the RS485 communication unit is respectively connected with the active annular vehicle detection unit and the far-end central control device and is used for sending the speed, the distance and the density of the vehicles passing through the current traffic intersection to the far-end central control device;

the power supply equipment comprises a mains supply access interface, a voltage transformation rectifying circuit, a filtering voltage stabilizing circuit and a voltage conversion circuit, wherein the mains supply access interface is used for receiving mains supply power supply, the voltage transformation rectifying circuit is connected with the mains supply access interface and is used for sequentially carrying out voltage transformation operation and rectification operation on received mains supply power signals to obtain rectified power signals, the filtering voltage stabilizing circuit is connected with the voltage transformation rectifying circuit and is used for sequentially carrying out filtering operation and voltage stabilizing operation on the rectified power signals to obtain voltage-stabilized power signals, and the voltage conversion circuit is connected with the filtering voltage stabilizing circuit and is used for carrying out voltage conversion operation on the voltage-stabilized power signals to obtain 12V, 5V or 3.3V voltage signals;

wherein, red LED owner lamp, yellow LED owner lamp, green LED owner lamp, red LED assists the lamp, yellow LED assists lamp and green LED and assists each LED lamp in the lamp and all include the negative pole pin, anodal pin, the reflection cap, LED chip and epoxy lens, the LED chip is connected with negative pole pin and anodal pin respectively, the reflection cap sets up the below at the LED chip, epoxy lens are circular, the setting is in LED chip top and parcel LED chip for the light that the protection LED chip sent carries out spotlight to the LED chip.

3. A traffic signal lamp remote monitoring method as claimed in claim 2, characterized in that:

the positioning device includes a ranging unit and a GPS unit.

4. A traffic signal lamp remote monitoring method as claimed in claim 2, characterized in that:

alternatively, the entire operation of the detection control unit is realized by the MSP430 single chip microcomputer.

5. A traffic signal lamp remote monitoring method as claimed in claim 2, characterized in that:

the yellow light countdown indicating device and the remaining passing vehicle number indicating device are integrated on one integrated circuit board.

6. A traffic signal lamp remote monitoring method as claimed in claim 2, characterized in that:

the vehicle passing time detection device is arranged at the center of the cross bar above the current traffic intersection, and the LCD display device is arranged in the control cabinet near the current traffic intersection.

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