CN217362620U - Safety device of distributed traffic signal controller - Google Patents
Safety device of distributed traffic signal controller Download PDFInfo
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- CN217362620U CN217362620U CN202220841516.9U CN202220841516U CN217362620U CN 217362620 U CN217362620 U CN 217362620U CN 202220841516 U CN202220841516 U CN 202220841516U CN 217362620 U CN217362620 U CN 217362620U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a safety device of a distributed traffic signal controller, which comprises a traffic signal controller, a distributed yellow flashing module, a power supply module, a lamp driving module and a traffic signal lamp; the output end of the power supply module is respectively connected with the input end of the distributed yellow flashing module and the input end of the lamp driver module, the output end of the distributed yellow flashing module is respectively connected with the input end of the lamp driver module and the input end of the traffic signal lamp, and the traffic signal controller is respectively in communication connection with the distributed yellow flashing module and the lamp driver module; the safety protection function of the traffic signal controller can be realized only by one communication cable and one power cable, so that the construction cost and the difficulty are saved, and the maintenance is convenient.
Description
Technical Field
The utility model relates to a traffic signal lamp control technical field especially relates to a distributing type traffic signal controller's safety device.
Background
All signal lamps of the independent yellow flashing modules and power cables and communication cables of external equipment in the conventional traffic signal controller need to be concentrated on the independent yellow flashing modules, so that the construction is complex, the construction cost is high, the engineering deployment is slow, and the maintenance is difficult.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that the background art exists, the utility model provides a distributing type traffic signal controller's safety device practices thrift construction cost and the degree of difficulty, convenient maintenance.
The utility model provides a safety device of a distributed traffic signal controller, which comprises a traffic signal controller, a distributed yellow flashing module, a power supply module, a lamp driving module and a traffic signal lamp; the output of power module is connected with the input of the module is driven to the distributed yellow flashing module, the input of the module is driven to the lamp respectively, the output of the module is driven to the distributed yellow flashing module and the input of the traffic signal lamp respectively, and the traffic signal controller is connected with the module is driven to the distributed yellow flashing module, the lamp respectively in communication.
Further, the power supply module comprises a main power unit and a standby power unit, the main power unit is connected to the lamp driver module through a normally closed switch S (n/c)1, the standby power unit is connected to the distributed yellow flashing module, and the distributed yellow flashing module is connected with the traffic signal lamp through a normally open switch S (n/o) 1.
Further, the distributed yellow flashing module comprises a processor, a driver, an optical coupling silicon-controlled circuit, a relay, a power supply assembly and a distributed driving board, wherein the output end of the processor is connected to the input end of the optical coupling silicon-controlled circuit through the driver, the optical coupling silicon-controlled circuit is connected to a traffic signal lamp through a yellow light output terminal, the input end of the relay is respectively connected to the output end of the driver and the output end of a standby power unit, and the output end of the relay is respectively connected to the power supply terminal of the distributed driving board and on the silicon-controlled in the optical coupling silicon-controlled circuit.
Further, the optical coupler silicon controlled rectifier circuit comprises an optical coupler MOC3063SM and a silicon controlled rectifier T1635, a pin 1 of the optical coupler MOC3063SM is connected to VCC5V through a resistor R211, a pin 2 is connected to a GPIO of the processor through CYY, pins 4 of the optical coupler MOC3063SM are respectively connected to a pin 1 and a pin 3 of the silicon controlled rectifier T1635, a pin 6 of the optical coupler MOC3063SM is connected to a pin 2 of the silicon controlled rectifier T1635, a pin 6 of the optical coupler MOC3063SM sequentially passes through an RC filter circuit, an L1Y terminal is connected to a yellow light of the traffic signal control lamp, and a pin 2 of the silicon controlled rectifier T1635 is connected to the relay through an L terminal.
Further, the relay is of a type HF3F, and a normally closed pin of the relay HF3F is connected to a power supply terminal of the distributed driving board.
Furthermore, the processor is externally provided with a plurality of interfaces, and the processor is connected with the operation indicating lamp through GPIO, connected with the download port through SWJ, connected with the debugging port through TTL serial port, connected with the address dial switch through GPIO and connected with the storage chip M25P16 through SPI.
The utility model provides a pair of distributed traffic signal controller's safety device's advantage lies in: the utility model discloses the safety device of distributed traffic signal controller who provides in the structure only needs a communication cable and a power cable just can realize the safety protection function of traffic signal controller, practices thrift construction cost and the degree of difficulty, convenient maintenance.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of a distributed yellow flashing module;
FIG. 3 is a schematic circuit diagram of an optocoupler thyristor circuit;
FIG. 4 is a schematic circuit diagram of a relay switching power;
FIG. 5 is a schematic diagram of an RS232 communication circuit;
the system comprises a traffic signal controller 1, a distributed yellow flashing module 2, a power supply module 3, a lamp driver module 4 and a traffic signal lamp 5.
Detailed Description
The technical solutions of the present invention are explained in detail below with reference to specific embodiments, and many specific details are set forth in the following description to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from the embodiments described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.
As shown in fig. 1 to 5, the safety device of a distributed traffic signal controller provided by the present invention comprises a traffic signal controller 1, a distributed yellow flashing module 2, a power supply module 3, a lamp driving module 4 and a traffic signal lamp 5;
the output of power module 3 is connected with the input of distributed yellow flashing module 2, the input of lamp driver module 4 respectively, and the output of distributed yellow flashing module 2 is connected with the input of lamp driver module 4, the input of traffic signal lamp 5 respectively, and traffic signal controller 1 is connected with distributed yellow flashing module 2, the communication of lamp driver module 4 respectively.
Set up the yellow module 2 that dodges of distributing type, with all concentrate on in the tradition that signal lamp, power cable, communication cable etc. on the yellow module of dodging get rid of from yellow module of dodging, independent yellow module of dodging need be received to the power cord of the traffic signal lamp of intersection each direction, through independent yellow module output yellow flashing signal of dodging, guarantee intersection's safe current. The distributed yellow flashing module 2 is equivalent to a safety device, when the traffic signal controller 1 has green conflict or communication fault, the traffic signal controller 1 is taken over to carry out yellow flashing control, the distributed yellow flashing module 2 is independently powered through the power supply module 3, the traffic signal controller 1 does not have control right when the independent yellow flashing module works, the distributed yellow flashing module 2 outputs yellow flashing signals, and yellow lights at intersections flicker.
In this embodiment, the power supply module 3 includes a main power unit and a standby power unit, the main power unit is connected to the lamp driver module 4 through a normally closed switch S (n/c)1, the standby power unit is connected to the distributed yellow flashing module 2, and the distributed yellow flashing module 2 is connected to the traffic signal lamp 5 through a normally open switch S (n/o) 1. The distributed yellow flashing module 2 is powered by a standby power unit, one communication cable is connected with the traffic signal controller 1, two ends of the communication cable are connected with optical fiber transceiving equipment, low time delay is achieved, and the distributed yellow flashing module 2 is connected with the optical fiber transceiving equipment through RS232, CAN or one of network ports. Through the on/off states of the normally closed switch S (n/c)1 and the normally open switch S (n/o)1, the distributed yellow flashing module 2 can control the main power supply of the lamp driving module 4, and the control right of the distributed yellow flashing module 2 is switched.
In this embodiment, as shown in fig. 2, the distributed yellow flashing module 2 includes a processor, a driver, an optical coupling controllable silicon circuit, a relay, a power supply module and a distributed drive board, an output end of the processor is connected to an input end of the optical coupling controllable silicon circuit through the driver, the optical coupling controllable silicon circuit is connected to the traffic signal lamp 5 through a yellow light output terminal, so that the distributed yellow flashing module 2 can control and output all the traffic signal lamps 5, a yellow light flashing function is realized, the intersection is ensured to pass safely, an input end of the relay is connected to an output end of the driver respectively, an output end of the standby power unit, an output end of the relay is connected to a power supply terminal of the distributed drive board respectively, on the controllable silicon in the optical coupling controllable silicon circuit, and the distributed drive board corresponds to a circuit board for lighting or closing the traffic signal lamp.
The processor is externally provided with a plurality of interfaces, the processor is connected with the operation indicator lamp through a GPIO (general purpose input/output), connected with the download port through an SWJ (switch bus interface), connected with the debugging port through a TTL (transistor-transistor logic) serial port, connected with the address dial switch through the GPIO and connected with the storage chip M25P16 through the SPI. The address dial switch is used for dialing different addresses to distinguish different distributed yellow flashing modules 2 at intersections, and the distributed yellow flashing modules 2 are modules used for controlling independent yellow flashing of signal lamps in the distributed traffic signal controller; the memory chip M25P16 is used for storing the unique ID number of the distributed yellow flash module 2, so that hardware management is facilitated; the operation indicator lamp displays the working state of the distributed yellow flashing module 2 in real time, and the flashing indicates that the distributed yellow flashing module 2 works normally, otherwise, the operation indicator lamp is abnormal.
Specifically, the optocoupler silicon controlled rectifier circuit comprises an optocoupler MOC3063SM and a silicon controlled rectifier T1635, a pin 1 of the optocoupler MOC3063SM is connected to VCC5V through a resistor R211, a pin 2 is connected to a GPIO of a processor STM32F103 through CYY, pins 4 of the optocoupler MOC3063SM are respectively connected to a pin 1 and a pin 3 of the silicon controlled rectifier T1635, a pin 6 of the optocoupler MOC3063SM is connected to a pin 2 of the silicon controlled rectifier T1635, a pin 6 of the optocoupler MOC3063SM sequentially passes through an RC filter circuit, a terminal L1Y is connected to a yellow light of the traffic signal control lamp, and a pin 2 of the silicon controlled rectifier T1635 is connected to a relay through a terminal L; the relay is of a model HF3F, and a normally closed pin of the relay HF3F is connected to a power supply terminal of the distributed driving board.
The RC filter circuit is a circuit formed by connecting a resistor R213 and a capacitor C211 in series, and a pin 1 of a thyristor T1635, a pin 3 of the thyristor T1635 and one end of the capacitor C211 are connected in parallel and then connected to a yellow light of the traffic signal control lamp through an L1Y terminal.
As shown in fig. 3, when CYY is low level, the optical coupler MOC3063SM is turned on, so that the thyristor T1635 is turned on to supply power to the traffic signal lamp 5, and the signal lamp is on, and when CYY is low level, the optical coupler MOC3063SM is not turned on, so that the thyristor T1635 is turned off to supply power to the traffic signal lamp 5, and the signal lamp is turned off.
As shown in fig. 4, Y1 is a relay HF3F, and when the traffic signal controller 1 fails and the independent yellow flash is to be degraded, the distributed yellow flash module 2 will cut off the power supply of the driving board, turn on the strong power (220V commercial power) of the distributed yellow flash module 2 in the traffic signal controller 1, and perform independent yellow flash control on the yellow flash by using the distributed yellow flash module 2.
The signal indicator light is connected to the input end of the optocoupler MOC3063SM and used for displaying whether the signal machine is under the control of the yellow flashing plate or not, and the frequency flashing of 1hz indicates that the signal machine works under the control of the yellow flashing plate.
Description of the working process:
(1) when the main power unit is out of power, and the standby power unit is powered on, the distributed yellow flashing module 2 turns off the relay, the S (n/c)1 is switched to a disconnected state, and the lamp driving module 4 loses power. And S (n/o)1 is converted into a closed state, the distributed yellow flashing module 2 outputs a yellow flashing signal, and the yellow flashing signal of the traffic signal lamp 5 is controlled to flash.
(2) The main power unit and the standby power unit are powered on, after the power is normally powered on, the distributed yellow flashing module 2 actively establishes communication connection with the traffic signal controller, when the connection is not successfully established, the connection is switched to active control, the relay is closed, the S (n/c)1 is switched to a disconnected state, the lamp driving module 4 loses power supply, and all traffic signal lamps 5 are turned off. S (n/o)1 is converted into a closed state, and the distributed yellow flashing module 2 outputs a yellow flashing signal to control the yellow lamp of the lamp to flash.
(3) The main power unit and the standby power unit are powered on, after the power unit is powered on normally, the distributed yellow flashing module 2 is successfully connected with the traffic signal controller 1 to establish connection, the traffic signal controller 1 has no control right, and meanwhile, the distributed yellow flashing module 2 keeps heartbeat connection with the traffic signal controller.
The heartbeat connection of the traffic signal controller 1 is detected every 500ms, if the heartbeat connection is lost for 3S or 5S continuously or for other set time, the communication fault is judged, the distributed yellow flashing module 2 closes the relay switch, the S (n/c)1 is switched to a disconnected state, the lamp driving module 4 loses power supply, and all traffic signal lamps 5 are turned off. And S (n/o)1 is converted into a closed state, the distributed yellow flashing module 2 takes over the signal control to carry out yellow flashing control, and the distributed yellow flashing module 2 outputs a yellow flashing signal to control the traffic signal lamp 5 to flash yellow.
When a fault is found in the operation process of the traffic signal controller 1, a yellow flash command is immediately sent to the distributed yellow flash module 2, the distributed yellow flash module 2 closes a relay switch after receiving the yellow flash command, S (n/c)1 is switched to a disconnected state, the lamp driving unit loses power, and all traffic signal lamps 5 are turned off. And S (n/o)1 is converted into a closed state, and the distributed yellow flashing module 2 outputs a yellow flashing signal to control the traffic signal lamp 5 to flash yellow.
When the traffic signal controller 1 detects that green conflicts exist in the traffic signal lamps at the intersection, the traffic signal controller CAN issue the distributed yellow flashing module 2 for independent control through a CAN port or an RS232 port. At this moment, the distributed yellow flashing module 2 cuts off the power supply (commercial power 220V) of the driving board, the distributed yellow flashing module 2 takes over the control of the signals to control the yellow flashing, and the distributed yellow flashing module 2 outputs the yellow flashing signals to control the traffic signal lamp 5 to flash yellow.
(4) After the main power unit is powered on, the standby power unit is free of electricity, the traffic signal controller 1 cannot detect the distributed yellow flashing module 2, and the lamp driving module 4 does not work.
(5) After the main electrical unit and the standby electrical unit are both powered on normally, the traffic signal controller 1 cannot detect the distributed yellow flashing module 2, and the lamp driving module 4 does not work.
(6) After the distributed yellow flashing module 2 works, a professional is required to overhaul the equipment, and the system can be restarted and observed manually after the fault is eliminated.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The safety device of the distributed traffic signal controller is characterized by comprising a traffic signal controller (1), a distributed yellow flashing module (2), a power supply module (3), a lamp driving module (4) and a traffic signal lamp (5);
the output of power module (3) is connected with the input of distributing type yellow flashing module (2), the input of lamp driver module (4) respectively, and the output of distributing type yellow flashing module (2) is connected with the input of lamp driver module (4), the input of traffic signal lamp (5) respectively, and traffic signal controller (1) is connected with distributing type yellow flashing module (2), lamp driver module (4) communication respectively.
2. The safety device of distributed traffic signal controller according to claim 1, characterized in that the power supply module (3) comprises a main power unit and a standby power unit, the main power unit is connected to the lamp driving module (4) through a normally closed switch S (n/c)1, the standby power unit is connected to the distributed yellow flashing module (2), and the distributed yellow flashing module (2) is connected with the traffic signal lamp (5) through a normally open switch S (n/o) 1.
3. The safety device of the distributed traffic signal controller according to claim 2, wherein the distributed yellow flashing module (2) comprises a processor, a driver, an optocoupler thyristor circuit, a relay, a power supply assembly and a distributed drive board, wherein an output end of the processor is connected to an input end of the optocoupler thyristor circuit through the driver, the optocoupler thyristor circuit is connected to the traffic signal lamp (5) through a yellow lamp output terminal, an input end of the relay is respectively connected to an output end of the driver and an output end of a standby power unit, and an output end of the relay is respectively connected to a power supply terminal of the distributed drive board and a thyristor in the optocoupler thyristor circuit.
4. The safety device of the distributed traffic signal controller according to claim 3, wherein the optical coupling controllable silicon circuit comprises an optical coupling MOC3063SM and a silicon controlled rectifier T1635, a 1 pin of the optical coupling MOC3063SM is connected to VCC5V through a resistor R211, a 2 pin of the optical coupling MOC3063SM is connected to a GPIO of the processor through a CYY, 4 pins of the optical coupling MOC3063SM are respectively connected to a 1 pin and a 3 pin of the silicon controlled rectifier T1635, a 6 pin of the optical coupling MOC3063SM is connected to a 2 pin of the silicon controlled rectifier T1635, a 6 pin of the optical coupling MOC3063SM is connected to a yellow light of the traffic signal control light through an RC filter circuit and an L1Y terminal in sequence, and a 2 pin of the silicon controlled rectifier T1635 is connected to the relay through an L terminal.
5. The distributed traffic signal controller safety device of claim 3, wherein the relay is of the type HF3F, and the normally closed pin of the relay HF3F is connected to the power supply terminals of the distributed drive board.
6. The distributed traffic signal controller security device of claim 3, wherein the processor is externally provided with a plurality of interfaces, and the processor is connected with the operation indicator lamp through GPIO, connected with the download port through SWJ, connected with the debugging port through TTL serial port, connected with the address dial switch through GPIO, and connected with the storage chip M25P16 through SPI.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841516.9U CN217362620U (en) | 2022-04-12 | 2022-04-12 | Safety device of distributed traffic signal controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220841516.9U CN217362620U (en) | 2022-04-12 | 2022-04-12 | Safety device of distributed traffic signal controller |
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| Publication Number | Publication Date |
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| CN217362620U true CN217362620U (en) | 2022-09-02 |
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| CN202220841516.9U Active CN217362620U (en) | 2022-04-12 | 2022-04-12 | Safety device of distributed traffic signal controller |
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- 2022-04-12 CN CN202220841516.9U patent/CN217362620U/en active Active
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