CN102024340A - Traffic light monitoring device and monitoring method thereof - Google Patents
Traffic light monitoring device and monitoring method thereof Download PDFInfo
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- CN102024340A CN102024340A CN 201010614412 CN201010614412A CN102024340A CN 102024340 A CN102024340 A CN 102024340A CN 201010614412 CN201010614412 CN 201010614412 CN 201010614412 A CN201010614412 A CN 201010614412A CN 102024340 A CN102024340 A CN 102024340A
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- momentary
- traffic lights
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Abstract
The invention discloses a traffic light monitoring device. The traffic light monitoring device comprises a current detector, a microcontroller and a communicator, wherein the current detector is used to detect the first instantaneous current and second instantaneous current of a traffic light; the microcontroller is used to read and analyze the operation cycle of the control system of the traffic light and the first average current in the cycle according to the first instantaneous current, store the cycle and the first average current, read and analyze the second average current of the traffic light in the cycle according to the second instantaneous current, judge whether the second average current is equal to the first average current and send out an alarm message; and the communicator is used to receive and send the alarm message of the microcontroller. Compared with the prior art, the traffic light monitoring device can perform real-time monitoring on the running condition of the traffic light, inform the traffic control department timely of processing and prevent the large-area traffic jam and some potential traffic accidents. The invention also discloses a traffic light control method.
Description
Technical field
The present invention relates to the traffic control system technical field, relate more specifically to a kind of traffic lights watch-dog and method for supervising thereof.
Background technology
In recent years, along with improving constantly of people's living standard, motor vehicles such as taxi, private car etc. sharply increase.Traffic lights just becomes the important component part in the urban transportation system.Particularly in each crossroad in city, the setting of described traffic lights is one of the various vehicle standards of standard main means of travelling.
But when described traffic lights broke down, vehicle supervision department can not find in time.Like this, in crowded urban road, just can cause large-area traffic congestion, even can cause some traffic hazards.
Therefore, be necessary to provide a kind of intelligent traffic light watch-dog, the ruuning situation of described traffic lights is monitored in real time,, thereby prevent large-area traffic congestion and the generation that prevents some potential traffic hazards so that in time notify traffic control department to handle.
Summary of the invention
The purpose of this invention is to provide a kind of traffic lights watch-dog, described watch-dog can be monitored in real time to the ruuning situation of described traffic lights, so that in time notify traffic control department to handle, thereby prevent large-area traffic congestion and the generation that prevents some potential traffic hazards.
Another object of the present invention provides a kind of traffic lights method for supervising, and described method can be monitored the ruuning situation of described traffic lights in real time, and in time notifies traffic control department to handle.
To achieve these goals, the invention provides a kind of traffic lights watch-dog, comprising: current detector is used to detect first momentary current and second momentary current of traffic lights; Microcontroller, be used to read and analyze cycle of control system operation of described traffic lights and first average current in the described cycle according to described first momentary current, preserve the described cycle and first average current, in the described cycle, read once more and analyze second average current of described traffic lights, judge whether described second average current equals described first average current and send warning message according to second momentary current; Communicator is used to receive and send the warning message of described microcontroller.
Compared with prior art, the microcontroller of described traffic lights watch-dog reads, analyzes second momentary current of described traffic lights, thereby obtain described second average current, and described second average current compared with described first average current, and then send warning message by described communicator, be that described traffic lights watch-dog is monitored in real time to the ruuning situation of described traffic lights, can in time notify traffic control department to handle, prevent large-area traffic congestion and the generation that prevents some potential traffic hazards.
In a preferred embodiment of the present invention, described microcontroller specifically comprises:
Mould/number conversion module, described first momentary current and second momentary current that are used for described current detector is detected are converted to digital signal;
Read module is used to read described first momentary current of described mould/number conversion module converts and the digital signal of second momentary current;
Analysis module, the cycle of control system operation that is used for the described traffic lights of Digital Signal Analysis of described first momentary current that reads according to described read module, and in the described cycle, obtain described first average current, obtain described second average current according to the Digital Signal Analysis of described second momentary current according to the Digital Signal Analysis of described first momentary current;
Judge module is used to judge whether described second average current equals described first average current and send warning message.
Particularly, described first momentary current and second momentary current are the current peak of described traffic lights operation.
Correspondingly, the present invention also provides a kind of traffic lights method for supervising, may further comprise the steps:
(1) detects the current peak I that traffic lights moves
Max
(2) start the first sense cycle T
1, detect momentary current I and whether equal described current peak I
Max, and write down two current peak I
MaxThe time interval T that occurs filters out maximum time interval T
Max
(3) detect described momentary current I once more and whether equal current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals T
Max, then carry out step (4), on the contrary repeating step (3);
(4) start the second sense cycle T
2, described momentary current I is carried out integration obtains the first average current I
1
(5) start the second sense cycle T once more
2, described momentary current I is carried out integration obtains the second average current I
2
(6) judge the described second average current I
2Whether equal the described first average current I
1, if I
2Be not equal to I
1, then carry out alarming processing; If I
2Equal I
1, then continue to detect whether equal current peak I up to described momentary current I
Max, and two adjacent current peak I
MaxThe time interval that occurs equals T
Max, repeating step (5)～(6) then.
Particularly, described step (2) filters out described time interval T
MaxAfter, also comprise:
(21) inquire about whether reach the described first sense cycle T detection time
1, if reach, then carry out step (3), otherwise then repeating step (2) reaches (21).
Particularly, described step (4) obtains the described first average current I
1After also comprise:
(41) detect described momentary current I and whether equal current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals T
Max, then carry out step (5), on the contrary repeating step (4) and (41).
Particularly, described step (5) obtains the described second average current I
2After also comprise:
(51) inquire about whether reach the described second sense cycle T detection time
2, if reach, then carry out step (6), otherwise then repeating step (5) reaches (51).
By following description also in conjunction with the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used to explain embodiments of the invention.
Description of drawings
Fig. 1 is the stereographic map of traffic lights watch-dog one embodiment of the present invention.
Fig. 2 is the theory structure block diagram of Fig. 1.
Fig. 3 is the process flow diagram of traffic lights method for supervising one embodiment of the present invention.
Fig. 4 is the process flow diagram that Fig. 3 further specializes.
Embodiment
With reference now to accompanying drawing, describe embodiments of the invention, the similar elements label is represented similar elements in the accompanying drawing.As mentioned above, the invention provides a kind of traffic lights watch-dog, the microcontroller of described traffic lights watch-dog reads, analyzes second momentary current of described traffic lights, thereby obtain described second average current, and described second average current compared with described first average current, and then send warning message by described communicator, be that described traffic lights watch-dog is monitored in real time to the ruuning situation of described traffic lights, can in time notify traffic control department to handle, prevent large-area traffic congestion and the generation that prevents some potential traffic hazards.
Please refer to Fig. 1 and Fig. 2, an embodiment of traffic lights watch-dog 100 of the present invention comprises current detector 10, microcontroller 20 and communicator 30.Described current detector 10 and communicator 30 all are electrically connected with described microcontroller 30.Wherein, described current detector 10 is used to detect first momentary current and second momentary current of traffic lights; Described microcontroller 20 is used to read and analyzes cycle of control system operation of described traffic lights and first average current in the described cycle according to described first momentary current, preserve the described cycle and first average current, in the described cycle, read once more and analyze second average current of described traffic lights, judge whether described second average current equals described first average current and send warning message according to second momentary current; Described communicator 30 is used to receive and send the warning message of described microcontroller 20.
Particularly, as shown in Figure 2, described microcontroller 20 comprises mould/number conversion module 201, read module 202, analysis module 203 judge modules 204 and the timer 205 of mutual electrical connection, the input end of described mould/number conversion module 201 is electrically connected with described current detector 10, the input end of described read module 202 is electrically connected with described timer 30, and the output terminal of described judge module 204 is electrically connected with described communicator 30.Wherein, described mould/number conversion module 201 is used for described first momentary current and second momentary current that described current detector 10 is detected are converted to digital signal; Described read module 202 is used to read described mould/described first momentary current of number conversion module 201 conversions and the digital signal of second momentary current; Described analysis module 203 is used for cycle of control system operation of the described traffic lights of Digital Signal Analysis of described first momentary current that reads according to described read module 201, and obtains described first average current, obtains described second average current according to the Digital Signal Analysis of described second momentary current according to the Digital Signal Analysis of described first momentary current in the described cycle; Described judge module 204 is used to judge whether described second average current equals described first average current and send warning message.Described timer 205 is used for that the time of above-mentioned each period of operational process is carried out timing to be handled.
Particularly, described first momentary current and second momentary current are the current peak I of described traffic lights operation
Max
Correspondingly, as shown in Figure 3, the present invention also provides a kind of traffic lamp control method, and it may further comprise the steps:
(1) detects the current peak I that traffic lights moves
Max
(2) start the first sense cycle T
1, detect momentary current I and whether equal described current peak I
Max, and write down two current peak I
MaxThe time interval T that occurs filters out maximum time interval T
Max
(21) inquire about whether reach the described first sense cycle T detection time
1, if reach, then carry out step (3), otherwise then repeating step (2) reaches (21);
(3) detect described momentary current I once more and whether equal current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals T
Max, then carry out step (4), on the contrary repeating step (3);
(4) start the second sense cycle T
2, described momentary current I is carried out integration obtains the first average current I
1
(41) detect described momentary current I and whether equal current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals T
Max, then carry out step (5), on the contrary repeating step (4) and (41);
(5) start the second sense cycle T once more
2, described momentary current I is carried out integration obtains the second average current I
2
(51) inquire about whether reach the described second sense cycle T detection time
2, if reach, then carry out step (6), otherwise then repeating step (5) reaches (51);
(6) judge the described second average current I
2Whether equal the described first average current I
1, if I
2Be not equal to I
1, then carry out alarming processing; If I
2Equal I
1, then continue to detect whether equal current peak I up to described momentary current I
Max, and two adjacent current peak I
MaxThe time interval that occurs equals T
Max, repeating step (5)～(6) then.
Particularly, as shown in Figure 4, described traffic lamp control method is specially:
S101 starts the timing function of described microcontroller 20, and setting timing is 10 minutes;
S102, whether inquiry reaches 10 minutes regularly, if reach, then carries out S104, otherwise then carries out S103;
S103 detects the momentary current I of described traffic lights operation, and filters out current peak I
Max
S104 enters mode of learning, starts 10 minutes once more regularly;
S105 detects described momentary current I and whether equals current peak I
Max, if equal, then carry out S106, otherwise repeat S105;
S106 starts the first sense cycle T
1, be made as 10 minutes;
S107 detects described momentary current I and whether equals current peak I
Max, if equal, then carry out S108, otherwise repeat S107;
S108 writes down two current peak I
MaxThe time interval T that occurs filters out maximum time interval T
Max
S109, whether inquiry reaches the described first sense cycle T
1,, then carry out step S110, otherwise then repeat S106～S109 if reach;
S110 detects described momentary current I and whether equals current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals T
Max, then carry out S111, otherwise then repeat S110;
S111 starts the second sense cycle T
2
S112 carries out integration to described momentary current I and obtains the first average current I
1
S113 detects described momentary current I and whether equals current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals T
Max, then carry out S114, otherwise repeat S112～S113;
S114 writes down the described first average current I
1With the second sense cycle T
2
S115 withdraws from mode of learning, begins to enter monitoring mode;
S116 starts the second sense cycle T once more
2
S117 carries out integration to described momentary current I and obtains the second average current I
2
S118, whether inquiry reaches the described second sense cycle T
2,, then carry out S119, otherwise then repeat S117～S118 if reach;
S119 writes down the described second average current I
2, and judge the described second average current I
2Whether equal the described first average current I
1, if I
2Be not equal to I
1, then carry out S120, otherwise then carry out S121;
S120 carries out alarming processing;
S121 detects described momentary current I once more and whether equals current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if the described time interval equal T
Max, repeating step S116～S119 then, on the contrary S121 then repeated.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.
Claims (7)
1. a traffic lights watch-dog is characterized in that, comprising:
Current detector is used to detect first momentary current and second momentary current of traffic lights;
Microcontroller, be used to read and analyze cycle of control system operation of described traffic lights and first average current in the described cycle according to described first momentary current, preserve the described cycle and first average current, in the described cycle, read once more and analyze second average current of described traffic lights, judge whether described second average current equals described first average current and send warning message according to second momentary current;
Communicator is used to receive and send the warning message of described microcontroller.
2. traffic lights watch-dog as claimed in claim 1 is characterized in that, described microcontroller comprises:
Mould/number conversion module, described first momentary current and second momentary current that are used for described current detector is detected are converted to digital signal;
Read module is used to read described first momentary current of described mould/number conversion module converts and the digital signal of second momentary current;
Analysis module, the cycle of control system operation that is used for the described traffic lights of Digital Signal Analysis of described first momentary current that reads according to described read module, and in the described cycle, obtain described first average current, obtain described second average current according to the Digital Signal Analysis of described second momentary current according to the Digital Signal Analysis of described first momentary current;
Judge module is used to judge whether described second average current equals described first average current and send warning message.
3. traffic lights watch-dog as claimed in claim 1 or 2 is characterized in that, described first momentary current and second momentary current are the current peak of described traffic lights operation.
4. a traffic lights method for supervising is characterized in that, may further comprise the steps:
(1) detects the current peak I that traffic lights moves
Max
(2) start the first sense cycle T
1, detect momentary current I and whether equal described current peak I
Max, and write down two current peak I
MaxThe time interval T that occurs filters out maximum time interval T
Max
(3) detect described momentary current I once more and whether equal current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals T
Max, then carry out step (4), on the contrary repeating step (3);
(4) start the second sense cycle T
2, described momentary current I is carried out integration obtains the first average current I
1
(5) start the second sense cycle T once more
2, described momentary current I is carried out integration obtains the second average current I
2
(6) judge the described second average current I
2Whether equal the described first average current I
1, if I
2Be not equal to I
1, then carry out alarming processing; If I
2Equal I
1, then continue to detect whether equal current peak I up to described momentary current I
Max, and two adjacent current peak I
MaxThe time interval that occurs equals T
Max, repeating step (5)～(6) then.
5. traffic lights method for supervising as claimed in claim 4 is characterized in that, described step (2) filters out described time interval T
MaxAfter, also comprise:
(21) inquire about whether reach the described first sense cycle T detection time
1, if reach, then carry out step (3), otherwise then repeating step (2) reaches (21).
6. traffic lights method for supervising as claimed in claim 4 is characterized in that, described step (4) obtains the described first average current I
1After also comprise:
(41) detect described momentary current I and whether equal current peak I
Max, and two adjacent current peak I
MaxWhether the time interval that occurs equals T
Max, if described momentary current I equals current peak I
MaxAnd the described time interval equals t
Max, then carry out step (5), on the contrary repeating step (4) and (41).
7. traffic lights method for supervising as claimed in claim 4 is characterized in that, described step (5) obtains the described second average current I
2After also comprise:
(51) inquire about whether reach the described second sense cycle T detection time
2, if reach, then carry out step (6), otherwise then repeating step (5) reaches (51).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010614412 CN102024340B (en) | 2010-12-30 | 2010-12-30 | Traffic light monitoring device and monitoring method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010614412 CN102024340B (en) | 2010-12-30 | 2010-12-30 | Traffic light monitoring device and monitoring method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102024340A true CN102024340A (en) | 2011-04-20 |
| CN102024340B CN102024340B (en) | 2013-06-26 |
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| CN 201010614412 Active CN102024340B (en) | 2010-12-30 | 2010-12-30 | Traffic light monitoring device and monitoring method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0330164A2 (en) * | 1988-02-25 | 1989-08-30 | Siemens Aktiengesellschaft | Partial traffic-signalling system disconnecting device |
| US20020154031A1 (en) * | 2001-04-19 | 2002-10-24 | Chan Hua Tek | Fault detection for traffic light systems using electronic lighting elements |
| CN101896951A (en) * | 2007-12-03 | 2010-11-24 | 奥尔德里奇交通系统私人有限公司 | An LED driver method for traffic lanterns |
| CN201946124U (en) * | 2010-12-30 | 2011-08-24 | 广东大榕树信息科技有限公司 | Traffic light monitoring equipment |
-
2010
- 2010-12-30 CN CN 201010614412 patent/CN102024340B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0330164A2 (en) * | 1988-02-25 | 1989-08-30 | Siemens Aktiengesellschaft | Partial traffic-signalling system disconnecting device |
| US20020154031A1 (en) * | 2001-04-19 | 2002-10-24 | Chan Hua Tek | Fault detection for traffic light systems using electronic lighting elements |
| CN101896951A (en) * | 2007-12-03 | 2010-11-24 | 奥尔德里奇交通系统私人有限公司 | An LED driver method for traffic lanterns |
| CN201946124U (en) * | 2010-12-30 | 2011-08-24 | 广东大榕树信息科技有限公司 | Traffic light monitoring equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| Publication number | Publication date |
|---|---|
| CN102024340B (en) | 2013-06-26 |
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