CN102890870B - Self diagnosis method and device for faults of traffic signal control machine - Google Patents
Self diagnosis method and device for faults of traffic signal control machine Download PDFInfo
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- CN102890870B CN102890870B CN201210423434.3A CN201210423434A CN102890870B CN 102890870 B CN102890870 B CN 102890870B CN 201210423434 A CN201210423434 A CN 201210423434A CN 102890870 B CN102890870 B CN 102890870B
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Abstract
The invention discloses a self diagnosis method and device for faults of a traffic signal control machine, belonging to the technical field of intelligent traffic control and management. The self diagnosis device comprises a semaphore control main board, a communication module, multiple traffic parameter detection boards, multiple lamp driving boards and an intelligent fault detection and diagnosis board. The intelligent fault detection and diagnosis board comprises a level switching module, a data analysis module, a communication interface and a display interface; and the data analysis module in the intelligent fault detection and diagnosis board can be used for detecting the working conditions of the traffic parameter detection boards, the semaphore control main board and the lamp driving boards in real time, and also can realize phase collision detection at intersections simultaneously. The traffic control semaphore with a self fault diagnosis function provided by the invention can effectively monitor the traffic control semaphore in real time, and is convenient for workers to understand and deal with traffic control conditions in real time.
Description
Technical field
The invention belongs to intelligent transportation control and administrative skill field, relate to a kind of can be to traffic control signal machine and the diagnostic method of diagnosing malfunction.
Background technology
Traffic control signal machine is the visual plant of controlling intersection traffic signal, is the important component part of traffic signal control system, and various traffic control schemes, are finally all realized by traffic control signal machine.At present in most of urban traffic control of China, generally use the control of traffic control signal machine to intersection traffic signal, technical merit, the reliability of traffic control signal machine are all directly connected to the size that it plays a role in road traffic signal control procedure, thereby the science on urban traffic control, validity produce the most directly impact.
Because traffic control signal machine is arranged on urban road crossing, work under bad environment, easily be subject to external interference, can produce signal lamp failure, traffic signals conflict etc., if can not these faults be diagnosed in time and be processed, may bring out traffic hazard, cause traffic jam, cause serious consequence.So the running status to traffic control signal machine detects in real time, and carry out fault diagnosis, in the time that generation is abnormal, take appropriate measures, strengthen its anti-interference and protective capacities, have great importance.
Existing most of traffic control signal machine, in design production run, is relatively focused on the realization of the control function of teleseme, and less to the fault diagnosis technology consideration of teleseme, can not meet well the demand of actual working environment.Some traffic control signal machines with fault detection capability generally do not have independently fault detection module, but be integrated in signal controller, once therefore signal controller operational failure, fault detection capability also lost efficacy thereupon, do not reach the effect of fault detection and diagnosis, and detection failure type is single, generally only has the detection of green collision failure.
In sum, being badly in need of at present one can detect in real time to self-operating state, to various diagnosing malfunctions and the traffic control signal machine with fault self-diagnosis function presenting.
Summary of the invention
In view of this, the object of the present invention is to provide one efficiently, traffic signal controlling machine failure self-diagnosis device and diagnostic method cheaply.
For achieving the above object, the invention provides following technical scheme:
A kind of traffic signal controlling machine fault self-diagnosis method, comprises the following steps:
1) by the traffic parameter at DETECTION OF TRAFFIC PARAMETERS plate Real-time Collection crossing place, comprise each track speed of a motor vehicle, vehicle flowrate and time occupancy;
2) by teleseme control mainboard, the traffic parameter collecting is analyzed, sent signal lamp control signal;
3) the signal lamp control signal of teleseme control mainboard being sent and light fixture group signal are compared, and judge by comparing result whether the light fixture drive plate in traffic signal controlling machine normally works;
4) the signal lamp control signal of teleseme control mainboard being sent and light fixture group signal and crossing phase place and phase sequence allocation list information are compared, thereby carry out green light, phase place and phase sequence collision detection;
5) analyze by the Communication Monitoring signal that teleseme control mainboard, DETECTION OF TRAFFIC PARAMETERS plate and power panel are sent, judge whether they break down;
6) if traffic signal controlling machine breaks down, generate failure code according to above-mentioned failure message, notify managerial personnel.
Further, complete following work by FPGA or CPLD/ARM processor: the sending of the analysis of traffic parameter, signal lamp control signal, signal lamp control signal and the comparison of light fixture group signal, the analysis of Communication Monitoring signal.
A kind of traffic signal controlling machine failure self-diagnosis device, it comprises that a block signal machine control mainboard, communication module, polylith DETECTION OF TRAFFIC PARAMETERS plate, polylith light fixture drive plate and an intelligent trouble detect diagnosis plate; Described intelligent trouble detects diagnosis plate and comprises level switch module, data analysis module, communication interface and display interface;
Described DETECTION OF TRAFFIC PARAMETERS plate, for detection of traffic parameter, comprises the speed of a motor vehicle, vehicle flowrate and the time occupancy parameter in traffic intersection all directions track, and above-mentioned testing result is sent to teleseme control mainboard;
Described teleseme control mainboard receives the testing result of each DETECTION OF TRAFFIC PARAMETERS plate and result is analyzed, and to light fixture drive plate output control signal, controls the action of light fixture drive plate according to analysis result; Meanwhile, teleseme control mainboard is also sent to the control signal of output intelligent trouble and detects the data analysis module in diagnosis plate;
Described light fixture drive plate is used for carrying out level conversion, and then drives the action of corresponding signal lamp;
Described communication module, for realizing communicating by letter of traffic control signal machine and remote control center, comprising: the command information that the control information of described teleseme control mainboard is sent to remote control center, receiving remote control terminal;
The level switch module that described intelligent trouble detects in diagnosis plate is connected with the output terminal of light fixture drive plate, for the output level of each light fixture drive plate is converted to low level, and the signal after conversion is sent to data analysis module;
The control signal of the output signal of described data analysis module incoming level modular converter and the output of teleseme control mainboard, and above-mentioned signal is compared, judge thus whether light fixture drive plate breaks down; Data analysis module also compares the output signal of above-mentioned level switch module, the control signal of teleseme control mainboard output and the information of crossing phase place and phase sequence allocation list, judge whether thus to occur phase conflicts, described crossing phase place and phase sequence allocation list are prior preset crossing phase place, phase sequence information; Whether described data analysis module is also normally worked and is detected teleseme control mainboard, teleseme control mainboard sends Communication Monitoring signal to data analysis module in the course of the work, and data analysis module judges according to the reception condition of Communication Monitoring signal whether teleseme control mainboard breaks down; Whether described data analysis module is also normally worked and is detected DETECTION OF TRAFFIC PARAMETERS plate, DETECTION OF TRAFFIC PARAMETERS plate sends Communication Monitoring signal to data analysis module in the course of the work, and data analysis module judges according to the reception condition of Communication Monitoring signal whether DETECTION OF TRAFFIC PARAMETERS plate breaks down; Data analysis module generates failure code according to above-mentioned every fault estimate of situation and failure code table, and this failure code is outputed to display terminal by display interface;
The communication interface that described intelligent trouble detects in diagnosis plate is used for the data communication between teleseme control mainboard and data analysis module;
The display interface that described intelligent trouble detects in diagnosis plate is used for the fault analysis result of data analysis module to output to display terminal.
Further, described data analysis module adopts FPGA or CPLD/ARM processor.
Further, described communication interface adopts RJ45 or RS485/422 interface.
Beneficial effect of the present invention is: the present invention has adopted the intelligent trouble being independent of outside teleseme control mainboard to detect diagnosis plate, this intelligent trouble detects the duty of diagnosing plate can detect in real time each parts in traffic control signal machine, comprise whether detection green light, phase place and phase sequence conflict, detection light fixture drive plate occur extremely, whether whether detection signal machine control mainboard occurs extremely, detect DETECTION OF TRAFFIC PARAMETERS plate and occur abnormal and phase conflicts situation is detected.In the time detecting that certain or some parts break down, generate failure code and show.Therefore, the traffic control signal machine with fault self-diagnosis function of the present invention can effectively carry out Real-Time Monitoring to traffic control signal machine, is convenient to staff traffic control situation is understood in real time and processed.
Accompanying drawing explanation
In order to make object of the present invention, technical scheme and beneficial effect clearer, the invention provides following accompanying drawing and describe:
Fig. 1 is the process flow diagram of diagnostic method of the present invention;
Fig. 2 is the structural representation of traffic signal controlling machine failure self-diagnosis device of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Fig. 2 is the structural representation of traffic signal controlling machine failure self-diagnosis device of the present invention, comprises that a block signal machine control mainboard, communication module, polylith DETECTION OF TRAFFIC PARAMETERS plate, polylith light fixture drive plate and an intelligent trouble detect diagnosis plate; Intelligent trouble detects diagnosis plate and comprises level switch module, data analysis module, communication interface and display interface.
Described communication module, for realizing communicating by letter of traffic control signal machine and remote control center, comprising: the command information that the control information of described teleseme control mainboard is sent to remote control center, receiving remote control terminal.
In the time that traffic control signal machine is in running order, DETECTION OF TRAFFIC PARAMETERS plate can detect every traffic parameter at crossing, these parameters include but not limited to the speed of a motor vehicle, vehicle flowrate and the time occupancy in each track, and testing result is sent to teleseme control mainboard.Teleseme control mainboard is analyzed result after receiving the testing result of each DETECTION OF TRAFFIC PARAMETERS plate, and according to analysis result to light fixture drive plate output control signal, control the action of light fixture drive plate; Meanwhile, teleseme control mainboard is also sent to the control signal of output intelligent trouble and detects the data analysis module in diagnosis plate.
The corresponding light fixture drive plate that receives the control signal of above-mentioned teleseme control mainboard output will carry out level conversion, and then drive the action of corresponding signal lamp.
For the duty of described light fixture drive plate is detected, the level switch module that intelligent trouble detects in diagnosis plate is connected with the output terminal of light fixture drive plate, for the output level of each light fixture drive plate is converted to low level, and the signal after conversion is sent to data analysis module; The control signal of the output signal of data analysis module incoming level modular converter and the output of teleseme control mainboard, and above-mentioned signal is compared, if above-mentioned signal is consistent, light fixture drive plate is working properly, if above-mentioned signal is inconsistent, judges that thus corresponding light fixture drive plate breaks down.
Whether there is phase conflicts in order to detect crossing intersection part, for example there is green collision failure, data analysis module compares the output signal of above-mentioned level switch module, the control signal of teleseme control mainboard output and the information of crossing phase place and phase sequence allocation list, judge whether thus to occur phase conflicts, if the control signal of exporting and actual crossing phase place and the information of phase sequence allocation list are runed counter to, show phase conflicts fault can occur, described crossing phase place and phase sequence allocation list are prior preset crossing phase place, phase sequence information.
Whether data analysis module is also normally worked and is detected teleseme control mainboard, teleseme control mainboard sends Communication Monitoring signal to data analysis module in the course of the work, for example heartbeat signal, data analysis module judges according to the reception condition of Communication Monitoring signal whether teleseme control mainboard breaks down, do not have out of order time at teleseme control mainboard, each signal occurs with the form of some cycles, in the time breaking down, this blackout, illustrates teleseme control main board failure.
Whether described data analysis module is also normally worked and is detected DETECTION OF TRAFFIC PARAMETERS plate, DETECTION OF TRAFFIC PARAMETERS plate sends Communication Monitoring signal to data analysis module in the course of the work, and data analysis module judges according to the reception condition of Communication Monitoring signal whether DETECTION OF TRAFFIC PARAMETERS plate breaks down.
Data analysis module generates failure code according to above-mentioned every fault estimate of situation and failure code table, and this failure code is outputed to display terminal by display interface.
Described data analysis module can adopt FPGA or CPLD/ARM processor in the above-described embodiments, the communication interface that described intelligent trouble detects in diagnosis plate can adopt RJ45 or RS485/422 interface, can certainly be as the case may be with cost control situation in different ways.
Finally explanation is, above preferred embodiment is only unrestricted in order to technical scheme of the present invention to be described, although the present invention is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the claims in the present invention book limited range.
Claims (5)
1. a traffic signal controlling machine fault self-diagnosis method, is characterized in that: comprise the following steps:
1) by the traffic parameter at DETECTION OF TRAFFIC PARAMETERS plate Real-time Collection crossing place, comprise each track speed of a motor vehicle, vehicle flowrate and time occupancy;
2) by teleseme control mainboard, the traffic parameter collecting is analyzed, sent signal lamp control signal;
3) the signal lamp control signal of teleseme control mainboard being sent and light fixture group signal are compared, and judge by comparing result whether the light fixture drive plate in traffic signal controlling machine normally works;
4) the signal lamp control signal of teleseme control mainboard being sent and light fixture group signal and crossing phase place and phase sequence allocation list information are compared, thereby carry out green light, phase place and phase sequence collision detection;
5) analyze by the Communication Monitoring signal that teleseme control mainboard, DETECTION OF TRAFFIC PARAMETERS plate and power panel are sent, judge whether they break down;
6) if traffic signal controlling machine breaks down, generate failure code according to above-mentioned failure message, notify managerial personnel.
2. traffic signal controlling machine fault self-diagnosis method according to claim 1, is characterized in that: complete following work by FPGA or CPLD/ARM processor: the sending of the analysis of traffic parameter, signal lamp control signal, signal lamp control signal and the comparison of light fixture group signal, the analysis of Communication Monitoring signal.
3. a traffic signal controlling machine failure self-diagnosis device, is characterized in that: comprise that DETECTION OF TRAFFIC PARAMETERS plate, teleseme control mainboard, light fixture drive plate, communication module and intelligent trouble detect diagnosis plate;
Described intelligent trouble detects diagnosis plate and comprises level switch module, data analysis module, communication interface and display interface;
Described DETECTION OF TRAFFIC PARAMETERS plate, for detection of traffic parameter, comprises the speed of a motor vehicle, vehicle flowrate and the time occupancy parameter in traffic intersection all directions track, and above-mentioned testing result is sent to teleseme control mainboard;
Described teleseme control mainboard receives the testing result of each DETECTION OF TRAFFIC PARAMETERS plate and result is analyzed, and to light fixture drive plate output control signal, controls the action of light fixture drive plate according to analysis result; Meanwhile, teleseme control mainboard is also sent to the control signal of output intelligent trouble and detects the data analysis module in diagnosis plate;
Described light fixture drive plate is used for carrying out level conversion, and then drives the action of corresponding signal lamp;
Described communication module, for realizing communicating by letter of traffic control signal machine and remote control center, comprising: the command information that the control information of described teleseme control mainboard is sent to remote control center, receiving remote control terminal;
The level switch module that described intelligent trouble detects in diagnosis plate is connected with the output terminal of light fixture drive plate, for the output level of each light fixture drive plate is converted to low level, and the signal after conversion is sent to data analysis module;
The control signal of the output signal of described data analysis module incoming level modular converter and the output of teleseme control mainboard, and above-mentioned signal is compared, judge thus whether light fixture drive plate breaks down; Data analysis module also compares the output signal of above-mentioned level switch module, the control signal of teleseme control mainboard output and the information of crossing phase place and phase sequence allocation list, judge whether thus to occur phase conflicts, described crossing phase place and phase sequence allocation list are prior preset crossing phase place, phase sequence information; Whether described data analysis module is also normally worked and is detected teleseme control mainboard, teleseme control mainboard sends Communication Monitoring signal to data analysis module in the course of the work, and data analysis module judges according to the reception condition of Communication Monitoring signal whether teleseme control mainboard breaks down; Whether described data analysis module is also normally worked and is detected DETECTION OF TRAFFIC PARAMETERS plate, DETECTION OF TRAFFIC PARAMETERS plate sends Communication Monitoring signal to data analysis module in the course of the work, and data analysis module judges according to the reception condition of Communication Monitoring signal whether DETECTION OF TRAFFIC PARAMETERS plate breaks down; Data analysis module generates failure code according to above-mentioned every fault estimate of situation and failure code table, and this failure code is outputed to display terminal by display interface;
The communication interface that described intelligent trouble detects in diagnosis plate is used for the data communication between teleseme control mainboard and data analysis module;
The display interface that described intelligent trouble detects in diagnosis plate is used for the fault analysis result of data analysis module to output to display terminal.
4. traffic signal controlling machine failure self-diagnosis device according to claim 3, is characterized in that: described data analysis module adopts FPGA or CPLD/ARM processor.
5. according to the traffic signal controlling machine failure self-diagnosis device described in claim 3 or 4, it is characterized in that: described communication interface adopts RJ45 or RS485/422 interface.
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| CN201210423434.3A CN102890870B (en) | 2012-10-30 | 2012-10-30 | Self diagnosis method and device for faults of traffic signal control machine |
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| CN201210423434.3A CN102890870B (en) | 2012-10-30 | 2012-10-30 | Self diagnosis method and device for faults of traffic signal control machine |
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| CN109754627A (en) * | 2018-12-07 | 2019-05-14 | 北京千方科技股份有限公司 | Fault detection method, device and traffic signal controlling machine |
| CN110060495A (en) * | 2019-05-27 | 2019-07-26 | 无锡安邦电气股份有限公司 | Traffic signal light condition monitors system and method |
| CN110634309B (en) * | 2019-09-04 | 2021-01-05 | 南京洛普股份有限公司 | Scheme selection type traffic signal dynamic green wave control method based on electric alarm data |
| CN111341108B (en) * | 2020-05-19 | 2020-09-22 | 成都信息工程大学 | Intelligent traffic control system based on cloud platform and control method thereof |
| CN113313962A (en) * | 2021-05-20 | 2021-08-27 | 阿波罗智联(北京)科技有限公司 | Signal lamp fault monitoring method and device, electronic equipment and storage medium |
| CN114067588A (en) * | 2021-12-23 | 2022-02-18 | 无锡安邦电气股份有限公司 | Traffic signal lamp with fault monitoring function |
| CN114005293B (en) * | 2021-12-30 | 2022-04-26 | 浙江国利网安科技有限公司 | Method and device for monitoring tampering of conflict table of traffic signal machine |
| CN114255602B (en) * | 2022-03-01 | 2022-07-01 | 浙江国利网安科技有限公司 | Safety protection method and device for traffic signal machine |
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