CN102890870A - 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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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
The traffic control signal machine is the visual plant of control intersection traffic signal, is the important component part of traffic signal control system, and various traffic control schemes are finally all realized by the traffic control signal machine.At present in most of urban traffic control of China, generally used the control of traffic control signal machine to the intersection traffic signal, the technical merit of traffic control signal machine, reliability all are directly connected to the size that it plays a role in the road traffic signal control procedure, thereby science, the validity of urban traffic control is produced the most directly impact.
Because the traffic control signal machine is installed in the 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 in time diagnose and process these faults, may bring out traffic hazard, cause traffic jam, cause serious consequence.So the running status to the traffic control signal machine detects in real time, and carry out fault diagnosis, when abnormal, take appropriate measures, strengthen its anti-interference and protective capacities, have great importance.
Existing most of traffic control signal machine is relatively paid attention to the realization of the control function of teleseme in the design production run, and less to the fault diagnosis technology consideration of teleseme, can not satisfy 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 the signal controller, in case so signal controller operational failure, fault detection capability also lost efficacy thereupon, do not reach the effect of fault detection and diagnosis, and the detection failure type is single, generally only has the detection of green collision failure.
In sum, be badly in need of at present a kind of can the detection in real time the self-operating state, to various diagnosing malfunctions and the traffic control signal machine with fault self-diagnosis function that presents.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of efficiently, cheaply traffic signal controlling machine failure self-diagnosis device and diagnostic method.
For achieving the above object, the invention provides following technical scheme:
A kind of traffic signal controlling machine fault self-diagnosis method may further comprise the steps:
1) by the traffic parameter at place, DETECTION OF TRAFFIC PARAMETERS plate Real-time Collection crossing, comprises each track speed of a motor vehicle, vehicle flowrate and time occupancy;
2) by teleseme control mainboard the traffic parameter that collects is analyzed, sent the signal lamp control signal;
3) teleseme is controlled traffic control signal and the light fixture group signal that mainboard sends and compared, judge by comparing result whether the light fixture drive plate in the traffic signal controlling machine works;
4) teleseme is controlled traffic control signal that mainboard sends and light fixture group signal and crossing phase place and phase sequence allocation list information and 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, then generate failure code according to above-mentioned failure message, notify managerial personnel.
Further, collection, analysis and the processing of signal described in the step are finished by FPGA or CPLD/ARM processor.
A kind of traffic signal controlling machine failure self-diagnosis device, it comprises that block signal machine control mainboard, communication module, polylith DETECTION OF TRAFFIC PARAMETERS plate, polylith light fixture drive plate and an intelligent trouble detect the diagnosis plate; Described intelligent trouble detects the diagnosis plate and comprises level switch module, data analysis module, communication interface and display interface;
Described DETECTION OF TRAFFIC PARAMETERS plate comprises the speed of a motor vehicle, vehicle flowrate and the time occupancy parameter in traffic intersection all directions track for detection of traffic parameter, 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 the result is analyzed, and to light fixture drive plate output control signal, control light fixture drive plate moves according to analysis result; Simultaneously, teleseme control mainboard also is sent to intelligent trouble with the control signal of exporting and detects the data analysis module of diagnosing in the 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 is used for realizing communicating by letter of traffic control signal machine and remote control center, comprises: 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 the diagnosis plate links to each other with the output terminal of light fixture drive plate, be used for the output level of each light fixture drive plate is converted to low level, and the signal after will changing is sent to data analysis module;
The output signal of described data analysis module incoming level modular converter and teleseme are controlled the control signal of mainboard output, and above-mentioned signal is compared, and judge thus whether the 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 crossing phase place, the phase sequence information for presetting in advance; Whether described data analysis module also works to teleseme control mainboard is detected, teleseme control mainboard sends the 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 also works to the DETECTION OF TRAFFIC PARAMETERS plate is detected, the DETECTION OF TRAFFIC PARAMETERS plate sends the 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 the 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;
Communication interface in the described intelligent trouble detection diagnosis plate is used for the data communication between teleseme control mainboard and the data analysis module;
The display interface that described intelligent trouble detects in the diagnosis plate is used for the fault analysis result of data analysis module is outputed 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 that is independent of outside the teleseme control mainboard to detect the diagnosis plate, this intelligent trouble detects the duty that the diagnosis plate can detect each parts in the traffic control signal machine in real time, comprise and detect whether abnormal of light fixture drive plate, whether detection signal machine control mainboard abnormal, detects whether abnormal and the phase conflicts situation detected of DETECTION OF TRAFFIC PARAMETERS plate.When detecting certain or some parts and break down, generate failure code and also show.Therefore, the traffic control signal machine with fault self-diagnosis function of the present invention can effectively carry out Real-Time Monitoring to the traffic control signal machine, is convenient to the staff and the traffic control situation is understood in real time and is processed.
Description of drawings
In order to make purpose 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 block signal machine control mainboard, communication module, polylith DETECTION OF TRAFFIC PARAMETERS plate, polylith light fixture drive plate and an intelligent trouble detect the diagnosis plate; Intelligent trouble detects the diagnosis plate and comprises level switch module, data analysis module, communication interface and display interface.
Described communication module is used for realizing communicating by letter of traffic control signal machine and remote control center, comprises: the command information that the control information of described teleseme control mainboard is sent to remote control center, receiving remote control terminal.
When the traffic control signal machine is in running order, the 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 the 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, the action of control light fixture drive plate; Simultaneously, teleseme control mainboard also is sent to intelligent trouble with the control signal of exporting and detects the data analysis module of diagnosing in the 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 to described light fixture drive plate detects, the level switch module that intelligent trouble detects in the diagnosis plate links to each other with the output terminal of light fixture drive plate, be used for the output level of each light fixture drive plate is converted to low level, and the signal after will changing 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 compared, if above-mentioned signal is consistent, then the light fixture drive plate is working properly, judges thus that if above-mentioned signal is inconsistent corresponding light fixture drive plate breaks down.
Whether phase conflicts occurs in order to detect crossing intersection part, green collision failure has for example occured, 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 namely the control signal of output is runed counter to the crossing phase place of reality and the information of phase sequence allocation list, then show the phase conflicts fault can occur described crossing phase place and phase sequence allocation list crossing phase place, the phase sequence information for presetting in advance.
Whether data analysis module also works to teleseme control mainboard is detected, teleseme control mainboard sends the Communication Monitoring signal to data analysis module in the course of the work, heartbeat signal for example, data analysis module judges according to the reception condition of Communication Monitoring signal whether teleseme control mainboard breaks down, namely do not have out of order the time at teleseme control mainboard, each signal occurs with the form of some cycles, when breaking down, this blackout illustrates teleseme control main board failure.
Whether described data analysis module also works to the DETECTION OF TRAFFIC PARAMETERS plate is detected, the DETECTION OF TRAFFIC PARAMETERS plate sends the 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 the 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 the diagnosis plate can adopt RJ45 or RS485/422 interface, can certainly be as the case may be with the cost control situation in different ways.
Explanation is at last, 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 claims limited range of the present invention.
Claims (5)
1. traffic signal controlling machine fault self-diagnosis method is characterized in that: may further comprise the steps:
1) by the traffic parameter at place, DETECTION OF TRAFFIC PARAMETERS plate Real-time Collection crossing, comprises each track speed of a motor vehicle, vehicle flowrate and time occupancy;
2) by teleseme control mainboard the traffic parameter that collects is analyzed, sent the signal lamp control signal;
3) teleseme is controlled traffic control signal and the light fixture group signal that mainboard sends and compared, judge by comparing result whether the light fixture drive plate in the traffic signal controlling machine works;
4) teleseme is controlled traffic control signal that mainboard sends and light fixture group signal and crossing phase place and phase sequence allocation list information and 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, then 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, it is characterized in that: collection, analysis and processing to signal described in the step are finished by FPGA or CPLD/ARM processor.
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 the diagnosis plate;
Described intelligent trouble detects the diagnosis plate and comprises level switch module, data analysis module, communication interface and display interface;
Described DETECTION OF TRAFFIC PARAMETERS plate comprises the speed of a motor vehicle, vehicle flowrate and the time occupancy parameter in traffic intersection all directions track for detection of traffic parameter, 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 the result is analyzed, and to light fixture drive plate output control signal, control light fixture drive plate moves according to analysis result; Simultaneously, teleseme control mainboard also is sent to intelligent trouble with the control signal of exporting and detects the data analysis module of diagnosing in the 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 is used for realizing communicating by letter of traffic control signal machine and remote control center, comprises: 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 the diagnosis plate links to each other with the output terminal of light fixture drive plate, be used for the output level of each light fixture drive plate is converted to low level, and the signal after will changing is sent to data analysis module;
The output signal of described data analysis module incoming level modular converter and teleseme are controlled the control signal of mainboard output, and above-mentioned signal is compared, and judge thus whether the 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 crossing phase place, the phase sequence information for presetting in advance; Whether described data analysis module also works to teleseme control mainboard is detected, teleseme control mainboard sends the 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 also works to the DETECTION OF TRAFFIC PARAMETERS plate is detected, the DETECTION OF TRAFFIC PARAMETERS plate sends the 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 the 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;
Communication interface in the described intelligent trouble detection diagnosis plate is used for the data communication between teleseme control mainboard and the data analysis module;
The display interface that described intelligent trouble detects in the diagnosis plate is used for the fault analysis result of data analysis module is outputed to display terminal.
4. traffic signal controlling machine failure self-diagnosis device according to claim 3 is characterized in that: described data analysis module employing FPGA or CPLD/ARM processor.
5. it is characterized in that according to claim 3 or 4 described traffic signal controlling machine failure self-diagnosis devices: described communication interface adopts RJ45 or RS485/422 interface.
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| CN103150919A (en) * | 2013-01-29 | 2013-06-12 | 北京瑞拓电子技术发展有限公司 | Intelligent monitoring and management system of transportation infrastructures |
| CN103198695A (en) * | 2013-03-15 | 2013-07-10 | 湖南赛道科技有限公司 | Multi-channel signal lamp state detector based on CPLD or FPGA |
| CN103426323A (en) * | 2012-05-14 | 2013-12-04 | 深圳市子元技术有限公司 | Intelligent traffic fault display system |
| CN103559802A (en) * | 2013-11-14 | 2014-02-05 | 西安费斯达自动化工程有限公司 | Load-variable driving-uniform signal light fault detecting system |
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| CN103426323A (en) * | 2012-05-14 | 2013-12-04 | 深圳市子元技术有限公司 | Intelligent traffic fault display system |
| CN103150919A (en) * | 2013-01-29 | 2013-06-12 | 北京瑞拓电子技术发展有限公司 | Intelligent monitoring and management system of transportation infrastructures |
| CN103150919B (en) * | 2013-01-29 | 2015-08-05 | 北京瑞拓电子技术发展有限公司 | A kind of intelligent transportation infrastructure monitoring management system |
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| CN103198695B (en) * | 2013-03-15 | 2016-03-30 | 湖南赛道科技有限公司 | A kind of multi channel signals lamp state detector based on CPLD or FPGA |
| CN103198695A (en) * | 2013-03-15 | 2013-07-10 | 湖南赛道科技有限公司 | Multi-channel signal lamp state detector based on CPLD or FPGA |
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| CN103559801B (en) * | 2013-11-14 | 2016-06-29 | 西安费斯达自动化工程有限公司 | Multi load is with driving countdown digital display signal lamp fault detection system |
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| CN105070086A (en) * | 2015-07-29 | 2015-11-18 | 杭州云正科技有限公司 | Intelligent traffic signal lamp fault detection and alarm system and method |
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| CN106297360B (en) * | 2016-08-12 | 2019-05-03 | 北京航空航天大学 | A kind of traffic signal light fault diagnostic device |
| CN106297360A (en) * | 2016-08-12 | 2017-01-04 | 北京航空航天大学 | A kind of traffic signal light fault diagnostic equipment |
| CN106658916A (en) * | 2016-12-29 | 2017-05-10 | 武汉恒达智慧城市交通研发有限公司 | Traffic signal lamp system controlled by bus transmission mode |
| CN107633696A (en) * | 2017-09-18 | 2018-01-26 | 南昌金科交通科技股份有限公司 | A kind of system of Contrast tuned imaging traffic lights |
| CN108492607A (en) * | 2018-05-11 | 2018-09-04 | 扬州市鑫通交通器材集团有限公司 | Traffic lamp fault detection control system |
| 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 |
| CN110634309A (en) * | 2019-09-04 | 2019-12-31 | 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 |
| 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 |
| CN111341108A (en) * | 2020-05-19 | 2020-06-26 | 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 |
| CN114005293A (en) * | 2021-12-30 | 2022-02-01 | 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 |
| CN114255602A (en) * | 2022-03-01 | 2022-03-29 | 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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