CN210181805U - Traffic signal lamp live wire open circuit monitoring device and monitoring circuit - Google Patents
Traffic signal lamp live wire open circuit monitoring device and monitoring circuit Download PDFInfo
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- CN210181805U CN210181805U CN201921103712.0U CN201921103712U CN210181805U CN 210181805 U CN210181805 U CN 210181805U CN 201921103712 U CN201921103712 U CN 201921103712U CN 210181805 U CN210181805 U CN 210181805U
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Abstract
The utility model provides a traffic signal lamp live wire monitoring device, monitoring circuit and monitoring method that open a way, under the normal behavior of traffic signal lamp, monitoring device is in the real-time supervision state of low-power consumption, can not do traffic signal lamp's normal work, in case the circuit trouble takes place, monitoring device in time fixes a position the open circuit line to adopt stand-by power supply for the traffic signal lamp power supply of the circuit open circuit trouble of taking place, avoid the traffic confusion that brings from this, block up and cause the traffic accident even. Because the wireless communication technology is adopted, the normal work of the traffic light signal lamp can be ensured without a temporary external circuit after the live wire of the traffic light is opened. In addition, the monitoring device can also upload line fault information to the monitoring platform in real time, and remote monitoring is realized.
Description
Technical Field
The utility model relates to a traffic signal lamp control field, concretely relates to traffic signal lamp live wire monitoring device, monitoring circuit that open circuit.
Background
Current traffic signal lamp all adopts semaphore centralized control's mode operation, and the circuit between semaphore and the signal lamp can appear because of reasons such as road damage, insects and mice bite and break electric wire, electric wire ageing lead to traffic signal lamp not bright or unusual phenomenon such as malfunctioning, not only can cause traffic paralysis, and troubleshooting is also very difficult moreover. The current problem of solving needs arrange the staff simultaneously at semaphore and signal lamp and detect the investigation, wastes time and energy.
Therefore, the technical problem that how to monitor the state of the traffic signal lamp in real time and timely solve the problem of the line fault of the traffic signal lamp after the line of the traffic signal lamp is in fault, and the traffic accident caused by the traffic disorder and the congestion is avoided is solved at present.
Disclosure of Invention
The utility model discloses a solve above-mentioned technical problem and provide a traffic signal lamp live wire monitoring device, monitoring circuit that opens a way, realized real-time supervision, fault diagnosis, circuit location, in time handle, the long-range report to traffic signal lamp, further improved the reliability of traffic signal lamp work.
The technical scheme of the utility model as follows:
a traffic signal light live wire open circuit monitoring device, comprising: a detection terminal and a monitoring terminal; the detection terminal is wirelessly connected with the monitoring terminal, and the detection terminal also comprises a standby power supply; the detection terminal detects the control signal of the traffic signal lamp output by the signal machine in real time, the monitoring terminal synchronously monitors the state signal of the corresponding traffic signal lamp, if the control signal detected by the detection terminal in real time is inconsistent with the state signal synchronously monitored by the monitoring terminal, the monitoring terminal judges that the traffic signal lamp has a line fault and controls the standby power supply to supply power to the traffic signal lamp with the fault.
The line fault comprises an open-circuit fault of a live wire of a traffic signal lamp.
The standby power supply comprises a charger, a storage battery and an inverter;
the group of traffic signal lamps share one standby power supply, and comprise red, green and yellow traffic signal lamps.
The storage battery is charged by a live wire of a traffic signal lamp without a live wire open circuit.
The device also comprises a monitoring platform, the monitoring platform is in wireless connection with the monitoring terminal, and the monitoring terminal uploads the line fault information to the monitoring platform.
The detection terminal comprises a first wireless communication module, a signal detection module and a data processing module, and the monitoring terminal comprises a second wireless communication module, a signal monitoring module and a control processing module.
The first wireless communication module of the detection terminal and the second wireless communication module of the monitoring terminal are 4G or 5G wireless communication modules.
During normal operation of the traffic light, the device is in a low power consumption state.
The utility model also provides a monitoring method of traffic signal lamp live wire open circuit monitoring device, including following step:
(1) monitoring a control signal of a traffic signal lamp output by a signal machine in real time;
(2) synchronously monitoring the state signals of the corresponding traffic signal lamps;
(3) judging whether the control signal monitored in real time is consistent with the state signal monitored synchronously; if yes, returning to the step (1); if not, executing the step (4);
(4) and finding the traffic signal lamp with the open-circuit fault of the live wire, and supplying power to the traffic signal lamp with the open-circuit fault of the live wire by using the standby power supply.
(5) And uploading the information of the open-circuit fault of the live wire to a monitoring platform.
The utility model also provides a traffic signal light live wire open circuit monitoring circuit, including detection side circuit and control end circuit, detection side circuit includes singlechip ATMEGA128A, the control end circuit includes singlechip ATMEGA16-16 AI; the detection end circuit also comprises a control signal detection circuit, and the control signal detection circuit comprises a chip M74HC165M 1R; the control circuit comprises a singlechip ATMEGA128A, an I/O pin of a chip M74HC165M1R, an I/O pin of the singlechip ATMEGA128A, a pin 2 of the chip M74HC165M1R, any one of pins 3-6 and 11-14 of the M74HC165M1R is connected with a control signal output end of a traffic signal lamp of a signal machine, and a pin 9 of the M74HC165M1R is connected with an I/O pin of the singlechip ATMEGA 128A;
the control end circuit further comprises a storage battery, a charging circuit and an inverter circuit, wherein the charging current charges the storage battery, the inverter circuit converts direct-current voltage of the storage battery into alternating-current voltage, and the inverter circuit is provided with a live wire output end;
the control end circuit still includes at least one way state signal detection circuitry, and each way live wire detection circuitry that opens a way all includes: hall sensor, chip LM339D, chip LM 339D; the input end of the Hall sensor is connected with the live wire input end of the traffic signal lamp, the output end of the Hall sensor is connected with the non-inverting input end of the chip LM339D, the inverting input end of the chip LM339D is connected with the reference voltage Vref, the output end of the chip LM339D is connected with the input end of the chip MC74HC595AD, and the output end of the chip MC74HC595AD is connected with an I/O pin of ATMEGA16-16 AI; the output end of a chip MC74HC595AD of each circuit of fire wire open circuit detection circuit is connected with the input end of a chip CD4072BCND, and the output end of the chip CD4072BCND is connected with an I/O pin of ATMEGA16-16 AI;
the control circuit further comprises a silicon controlled rectifier driving circuit, and the silicon controlled rectifier driving circuit comprises a chip MC74HC595AD, a photoelectric coupler MOC3041 and a bidirectional silicon controlled rectifier; an I/O pin of the single chip microcomputer ATMEGA16-16AI is connected with a pin 11 of a chip MC74HC595AD, an I/O pin of ATMEGA16-16AI is connected with a pin 12 of the chip MC74HC595AD, any one of pins 1-7 of the chip MC74HC595AD is connected with a pin 3 of a photoelectric coupler MOC3041, a pin 4 of the photoelectric coupler MOC3041 is respectively connected with a G pole and a T1 pole of a bidirectional thyristor, a pin 6 of the photoelectric coupler MOC3041 is connected with a T2 pole of the bidirectional thyristor, a T1 pole of the bidirectional thyristor is connected with a live wire input end of a traffic signal lamp, and a T2 pole of the bidirectional thyristor is connected with a live wire output end of the inverter circuit;
the detection terminal circuit with the control end circuit all still includes wireless communication circuit, the detection terminal circuit with the control end circuit passes through wireless connection.
The control signal detection circuit comprises a plurality of chips M74HC165M1R, and each chip M74HC165M1R is cascaded in sequence.
The control end circuit comprises a plurality of paths of silicon controlled rectifier driving circuits.
The utility model has the advantages of: under the normal operating condition of traffic signal lamp, monitoring device is in the real-time supervision state of low-power consumption, can not do the normal work of traffic signal lamp, in case the live wire that takes place traffic signal lamp takes place the fault of opening a way, monitoring device in time fixes a position the circuit of opening a way to adopt stand-by power supply for taking place the traffic signal lamp power supply that the fault of opening a way of flame, avoid the traffic confusion that from this brings, block up and cause the traffic accident even. Due to the adoption of the wireless communication technology, the normal work of the traffic light signal lamp can be guaranteed without a temporary external circuit after the line of the traffic light has a fault. In addition, the monitoring device can also upload line fault information to the monitoring platform in real time, and remote monitoring is realized.
Drawings
Fig. 1 is the utility model discloses a traffic signal lamp live wire monitoring device that opens a way's schematic diagram.
Fig. 2 is a flow chart of the monitoring method of the monitoring device for open circuit of live wire of traffic signal lamp of the present invention.
Fig. 3 is the utility model discloses a singlechip ATMEGA128A circuit schematic diagram of traffic signal lamp live wire open circuit monitoring circuit's detection end circuit.
Fig. 4 is the utility model discloses a traffic signal lamp live wire open circuit monitoring circuit's control signal detection circuitry schematic diagram.
Fig. 5 is a schematic diagram of the single-chip microcomputer ATMEGA16-16AI circuit of the control end circuit of the fire wire open circuit monitoring circuit of the traffic signal lamp of the present invention.
Fig. 6 is the utility model discloses a traffic signal lamp live wire open circuit monitoring circuit's state signal detection circuitry schematic diagram.
Fig. 7 is the utility model discloses a traffic signal lamp live wire open circuit monitoring circuit's bidirectional thyristor drive circuit schematic diagram.
Fig. 8 is the utility model discloses a traffic signal lamp live wire open circuit monitoring circuit's sense terminal circuit's wireless communication circuit schematic diagram.
Fig. 9 is the utility model discloses a traffic signal lamp live wire open circuit monitoring circuit's control end circuit's wireless communication circuit schematic diagram.
Fig. 10 is a schematic diagram of a battery charging circuit of a control end circuit of a fire wire open circuit monitoring circuit of a traffic signal lamp according to the present invention.
Detailed Description
As shown in fig. 1, a monitoring device for open circuit of live wire of traffic signal lamp includes: the system comprises a detection terminal (1) and a monitoring terminal (2); the detection terminal (1) is in wireless connection with the monitoring terminal (2), and is characterized by further comprising a standby power supply (3); the detection terminal (1) detects control signals of traffic signal lamps output by the annunciator in real time, the monitoring terminal (2) synchronously monitors state signals of the corresponding traffic signal lamps, if the control signals detected by the detection terminal (1) in real time are inconsistent with the state signals synchronously monitored by the monitoring terminal (2), the monitoring terminal (2) judges that a line fault occurs in a traffic signal lamp, and controls the standby power supply (3) to supply power to the traffic signal lamp with the fault;
the line fault comprises an open-circuit fault of a live wire of a traffic signal lamp.
The standby power supply (3) comprises a charger (31), a storage battery (32) and an inverter (33).
Wherein, a group of traffic signal lamps share one standby power supply (3), and the group of traffic signal lamps comprise red, green and yellow traffic signal lamps.
The battery (32) is charged from the live line of the traffic light without the open circuit of the live line.
The device further comprises a monitoring platform (4), the monitoring platform (4) is in wireless connection with the monitoring terminal (2), and the monitoring terminal (2) uploads the line fault information to the monitoring platform (4).
The detection terminal (1) comprises a first wireless communication module (11), a signal detection module (12) and a data processing module (13), and the monitoring terminal (2) comprises a second wireless communication module (21), a signal monitoring module (22) and a control processing module (23)
The first wireless communication module (11) of the detection terminal (1) and the second wireless communication module (21) of the monitoring terminal (2) are 4G or 5G wireless communication modules.
During normal operation of the traffic light, the device is in a low power consumption state.
Taking a group of signal lamps (red, yellow and green signal lamps) as an example, the working principle of the monitoring device is as follows: when the signal lamp has no fault, the monitoring device is in a low power consumption state and does not interfere with the normal work of the traffic signal lamp; when at least one signal lamp live wire is in an open circuit, the monitoring terminal (2) of the monitoring device accurately detects that a certain live wire is in an open circuit, in the lighting period, the control processing module (23) of the monitoring terminal (2) controls the inverter (33), the storage battery (32) converts direct current 12V into alternating current 220V through the inverter (33) to supply power to a certain signal lamp in the open circuit, and the power supply period is determined by the output of the signal machine.
The working principle of the standby power supply is as follows: when the signal lamp is in an open circuit without a wireless circuit, the live wire of any signal lamp of the 3 signal lamps can charge the storage battery (32) through the charger (31), and the storage battery (32) is provided with overcharge protection; when 1 line of live wires of the signal lamps is open, other 2 lines of normal live wires are charged alternately, and the charging time is consistent with the lighting period of the 2 lines of signal lamps; when 2 of the signal lamps are disconnected, 1 of the signal lamps is charged through a normal live wire, and the charging time is consistent with the lighting period of the signal lamp.
The standby power supply adopts a high-capacity lithium battery, and can normally work for more than 5 hours under the condition of simultaneously cutting off 3-circuit signals.
As shown in fig. 2, a monitoring method of a monitoring device for open circuit of live wire of a traffic signal lamp includes the following steps:
(1) monitoring a control signal of a traffic signal lamp output by a signal machine in real time;
(2) synchronously monitoring the state signals of the corresponding traffic signal lamps;
(3) judging whether the control signal monitored in real time is consistent with the state signal monitored synchronously; if yes, returning to the step (1); if not, executing the step (4);
(4) and finding the traffic signal lamp with the open-circuit fault of the live wire, and supplying power to the traffic signal lamp with the open-circuit fault of the live wire by using the standby power supply.
(5) And uploading the information of the open-circuit fault of the live wire to a monitoring platform.
As shown in fig. 3-7, the open circuit monitoring circuit for the fire wire of the traffic signal lamp comprises a detection end circuit and a control end circuit, wherein the detection end circuit comprises a single-chip microcomputer ATMEGA128A, and the control end circuit comprises a single-chip microcomputer ATMEGA16-16 AI;
the detection end circuit also comprises a control signal detection circuit, and the control signal detection circuit comprises a chip M74HC165M 1R; the single-chip microcomputer ATMEGA128 is characterized in that a pin 1 of an I/O pin chip M74HC165M1R of the single-chip microcomputer ATMEGA128A is connected, an I/O pin of the single-chip microcomputer ATMEGA128A is connected with a pin 2 of the chip M74HC165M1R, any one of pins 3-6 and 11-14 of the M74HC165M1R is connected with a control signal output end of a traffic signal lamp of a signal machine, and a pin 9 of the M74HC165M1R is connected with an I/O pin of the single-chip microcomputer ATMEGA 128A.
The control end circuit further comprises a storage battery, a charging circuit and an inverter circuit, wherein the charging current charges the storage battery, the inverter circuit converts direct-current voltage of the storage battery into alternating-current voltage, and the inverter circuit is provided with a live wire output end;
the control end circuit still includes at least one way state signal detection circuitry, and each way live wire detection circuitry that opens a way all includes: hall sensor, chip LM339D, chip LM 339D; the input end of the Hall sensor is connected with the live wire input end of the traffic signal lamp, the output end of the Hall sensor is connected with the non-inverting input end of the chip LM339D, the inverting input end of the chip LM339D is connected with the reference voltage Vref, the output end of the chip LM339D is connected with the input end of the chip MC74HC595AD, and the output end of the chip MC74HC595AD is connected with an I/O pin of ATMEGA16-16 AI; the output end of a chip MC74HC595AD of each circuit of fire wire open circuit detection circuit is connected with the input end of a chip CD4072BCND, and the output end of the chip CD4072BCND is connected with an I/O pin of ATMEGA16-16 AI.
The control circuit further comprises a silicon controlled rectifier driving circuit, and the silicon controlled rectifier driving circuit comprises a chip MC74HC595AD, a photoelectric coupler MOC3041 and a bidirectional silicon controlled rectifier; an I/O pin of the single chip microcomputer ATMEGA16-16AI is connected with a pin 11 of a chip MC74HC595AD, an I/O pin of ATMEGA16-16AI is connected with a pin 12 of the chip MC74HC595AD, any one of pins 1-7 of the chip MC74HC595AD is connected with a pin 3 of a photoelectric coupler MOC3041, a pin 4 of the photoelectric coupler MOC3041 is respectively connected with a G pole and a T1 pole of a bidirectional thyristor, a pin 6 of the photoelectric coupler MOC3041 is connected with a T2 pole of the bidirectional thyristor, a T1 pole of the bidirectional thyristor is connected with a live wire input end of a traffic signal lamp, and a T2 pole of the bidirectional thyristor is connected with a live wire output end of the inverter circuit.
The detection terminal circuit with the control end circuit all still includes wireless communication circuit, the detection terminal circuit with the control end circuit passes through wireless connection, wireless communication circuit is 4G.
The wireless communication circuit of the detection-side circuit includes a 4G chip EC 20.
The wireless communication circuit of the detection end circuit can also adopt a 5G chip.
The control signal detection circuit comprises a plurality of chips M74HC165M1R, and each chip M74HC165M1R is cascaded in sequence.
The control end circuit comprises a plurality of paths of silicon controlled rectifier driving circuits.
From the above-described embodiments, those skilled in the art can make appropriate changes and modifications to the above-described embodiments. Therefore, the present invention is not limited to the above embodiments, and equivalent replacements, modifications, etc. of the present invention are all within the protection scope of the present invention.
Claims (10)
1. A traffic signal light live wire open circuit monitoring device, comprising: the system comprises a detection terminal (1) and a monitoring terminal (2); the detection terminal (1) is in wireless connection with the monitoring terminal (2), and is characterized by further comprising a standby power supply (3); the detection terminal (1) detects the control signal of the traffic signal lamp output by the annunciator in real time, the monitoring terminal (2) synchronously monitors the state signal of the corresponding traffic signal lamp, if the control signal detected by the detection terminal (1) in real time is inconsistent with the state signal synchronously monitored by the monitoring terminal (2), the monitoring terminal (2) judges that the live wire of the traffic signal lamp is open, and controls the standby power supply (3) to supply power to the traffic signal lamp with the open live wire.
2. The open monitoring device for live line of traffic signal lamp according to claim 1, characterized in that the backup power source (3) comprises a charger (31), a storage battery (32), an inverter (33).
3. The open circuit monitoring device for live wire of traffic signal lamp according to claim 2, wherein a group of traffic signal lamps share one standby power supply (3), and the group of traffic signal lamps comprises red, green and yellow traffic signal lamps.
4. The open circuit monitoring device for live wires of traffic signal lights according to claim 3, wherein the battery (32) is charged by the live wires of the traffic signal lights without open circuit of the live wires.
5. The monitoring device for monitoring open circuit of live wire of traffic signal lamp according to any one of claims 1-3, characterized in that, the device further comprises a monitoring platform (4), the monitoring platform (4) is wirelessly connected with the monitoring terminal (2), and the monitoring terminal (2) uploads the line fault information to the monitoring platform (4).
6. The monitoring device for monitoring the open circuit of the live wire of the traffic signal lamp according to any one of the claims 1 to 3, wherein the detection terminal (1) comprises a first wireless communication module (11), a signal detection module (12) and a data processing module (13), and the monitoring terminal (2) comprises a second wireless communication module (21), a signal monitoring module (22) and a control processing module (23).
7. The monitoring device for monitoring the open circuit of the live wire of the traffic signal lamp according to any one of the claims 1 to 3, wherein the first wireless communication module (11) of the detection terminal (1) and the second wireless communication module (21) of the monitoring terminal (2) are 4G or 5G wireless communication modules.
8. A fire wire open circuit monitoring circuit of a traffic signal lamp comprises a detection end circuit and a control end circuit, wherein the detection end circuit comprises a single chip microcomputer ATMEGA128A, and the control end circuit comprises a single chip microcomputer ATMEGA16-16 AI; the detection end circuit is characterized by further comprising a control signal detection circuit, wherein the control signal detection circuit comprises a chip M74HC165M 1R; an I/O pin of the singlechip ATMEGA128A is connected with a pin 1 of a chip M74HC165M1R, an I/O pin of the singlechip ATMEGA128A is connected with a pin 2 of the chip M74HC165M1R, any one of pins 3-6 and 11-14 of the M74HC165M1R is connected with a control signal output end of a traffic signal lamp of a signal machine, and a pin 9 of the M74HC165M1R is connected with an I/O pin of the singlechip ATMEGA 128A;
the control end circuit further comprises a storage battery, a charging circuit and an inverter circuit, wherein the charging circuit charges the storage battery, the inverter circuit converts direct-current voltage of the storage battery into alternating-current voltage, and the inverter circuit is provided with a live wire output end;
the control end circuit still includes at least one way state signal detection circuitry, and each way live wire detection circuitry that opens a way all includes: hall sensor, chip LM 339D; the input end of the Hall sensor is connected with the live wire input end of the traffic signal lamp, the output end of the Hall sensor is connected with the non-inverting input end of the chip LM339D, the inverting input end of the chip LM339D is connected with the reference voltage Vref, the output end of the chip LM339D is connected with the input end of the chip MC74HC595AD, and the output end of the chip MC74HC595AD is connected with an I/O pin of ATMEGA16-16 AI; the output end of a chip MC74HC595AD of each circuit of fire wire open circuit detection circuit is connected with the input end of a chip CD4072BCND, and the output end of the chip CD4072BCND is connected with an I/O pin of ATMEGA16-16 AI;
the control circuit further comprises a silicon controlled rectifier driving circuit, and the silicon controlled rectifier driving circuit comprises a chip MC74HC595AD, a photoelectric coupler MOC3041 and a bidirectional silicon controlled rectifier; an I/O pin of the single chip microcomputer ATMEGA16-16AI is connected with a pin 11 of a chip MC74HC595AD, an I/O pin of ATMEGA16-16AI is connected with a pin 12 of the chip MC74HC595AD, any one of pins 1-7 of the chip MC74HC595AD is connected with a pin 3 of a photoelectric coupler MOC3041, a pin 4 of the photoelectric coupler MOC3041 is respectively connected with a G pole and a T1 pole of the bidirectional thyristor, a pin 6 of the photoelectric coupler MOC3041 is connected with a T2 pole of the bidirectional thyristor, a T1 pole of the bidirectional thyristor is connected with a live wire input end of a traffic signal lamp, and a T2 pole of the bidirectional thyristor is connected with a live wire output end of the inverter circuit.
9. The live line open circuit monitoring circuit of traffic signal lamp of claim 8, wherein said detection-side circuit and said control-side circuit each further comprises a wireless communication circuit, and said detection-side circuit and said control-side circuit are wirelessly connected.
10. The fire wire open circuit monitoring circuit of traffic signal lamp as claimed in claim 9, wherein said control signal detection circuit comprises a plurality of chips M74HC165M1R, each chip M74HC165M1R being cascaded in sequence; the control end circuit comprises a plurality of paths of silicon controlled rectifier driving circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103712.0U CN210181805U (en) | 2019-07-15 | 2019-07-15 | Traffic signal lamp live wire open circuit monitoring device and monitoring circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921103712.0U CN210181805U (en) | 2019-07-15 | 2019-07-15 | Traffic signal lamp live wire open circuit monitoring device and monitoring circuit |
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| CN210181805U true CN210181805U (en) | 2020-03-24 |
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| CN201921103712.0U Expired - Fee Related CN210181805U (en) | 2019-07-15 | 2019-07-15 | Traffic signal lamp live wire open circuit monitoring device and monitoring circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110232830A (en) * | 2019-07-15 | 2019-09-13 | 湖南汽车工程职业学院 | A kind of traffic lights firewire open circuit monitoring device, monitoring circuit and monitoring method |
| CN114419870A (en) * | 2022-03-31 | 2022-04-29 | 长园共创电力安全技术股份有限公司 | Sensing acquisition system based on low-power-consumption wireless communication and communication method |
-
2019
- 2019-07-15 CN CN201921103712.0U patent/CN210181805U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110232830A (en) * | 2019-07-15 | 2019-09-13 | 湖南汽车工程职业学院 | A kind of traffic lights firewire open circuit monitoring device, monitoring circuit and monitoring method |
| CN114419870A (en) * | 2022-03-31 | 2022-04-29 | 长园共创电力安全技术股份有限公司 | Sensing acquisition system based on low-power-consumption wireless communication and communication method |
| CN114419870B (en) * | 2022-03-31 | 2022-07-15 | 长园共创电力安全技术股份有限公司 | Communication method of sensing acquisition system based on low-power-consumption wireless communication |
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