CN102024340B - Traffic light monitoring device and monitoring method thereof - Google Patents
Traffic light monitoring device and monitoring method thereof Download PDFInfo
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- CN102024340B CN102024340B CN 201010614412 CN201010614412A CN102024340B CN 102024340 B CN102024340 B CN 102024340B CN 201010614412 CN201010614412 CN 201010614412 CN 201010614412 A CN201010614412 A CN 201010614412A CN 102024340 B CN102024340 B CN 102024340B
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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 light monitoring equipment 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 Traffic Systems.Particularly in each crossroad in city, the setting of described traffic lights is one of Main Means of travelling of the various vehicle standards of standard.
But when described traffic lights broke down, vehicle supervision department can not find in time.Like this, in crowded urban road, just large-area traffic congestion can be caused, even some traffic hazards can be caused.
Therefore, be necessary to provide a kind of intelligent traffic light watch-dog, the ruuning situation of described traffic lights is carried out Real Time Monitoring, in order in time notify traffic control department to process, thereby prevent large-area traffic congestion and the generation that prevents some potential traffic hazards.
Summary of the invention
The purpose of this invention is to provide a kind of traffic light monitoring equipment, described watch-dog can carry out Real Time Monitoring to the ruuning situation of described traffic lights, in order in time notify traffic control department to process, thereby prevent large-area traffic congestion and the generation that prevents some potential traffic hazards.
Another object of the present invention is to provide a kind of traffic lights method for supervising, the ruuning situation that described method can the described traffic lights of Real Time Monitoring, and in time notify traffic control department to process.
To achieve these goals, the invention provides a kind of traffic light monitoring equipment, comprising: current detector, for detection of the momentary current of traffic lights; Microcontroller is used for starting the first sense cycle T
1, detect momentary current and whether equal current peak I
max, and record two adjacent current peak I
maxThe time interval T that occurs filters out maximum time interval T
maxAgain detect described momentary current and whether equal current peak I
max, and two adjacent current peak I
maxWhether the time interval that occurs equals T
maxIf described momentary current equals current peak I
maxAnd the described time interval equals T
max, start the second sense cycle T
2, described momentary current is carried out integration obtains the first average current; Otherwise, again 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, until described momentary current equals current peak I
maxAnd the described time interval equals T
maxAgain start the second sense cycle T
2, described momentary current is carried out integration obtains the second average current; Judge that whether described the second average current equals described the first average current, if described the second average current is not equal to described the first average current, sends warning message; If described the second average current equals described the first average current, continue to detect until described momentary current I equals current peak I
max, and two adjacent current peak I
maxThe time interval that occurs equals T
max, and then start the second sense cycle T
2, described momentary current is carried out integration obtains the second average current, and judge whether described the second average current equals described the first average current, until described the second average current is not equal to described the first average current; Communicator is for the warning message that receives and send described microcontroller.
Compared with prior art, the microcontroller of described traffic light monitoring equipment reads, analyzes the second momentary current of described traffic lights, thereby obtain described the second average current, and described the second average current is compared with described the first average current, and then send warning message by described communicator, be that described traffic light monitoring equipment carries out Real Time Monitoring to the ruuning situation of described traffic lights, can in time notify traffic control department to process, 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, the described momentary current that is used for described current detector is detected is converted to digital signal;
Read module is for the digital signal of the described momentary current that reads described mould/number conversion module converts;
Analysis module, the cycle of control system operation that is used for the described traffic lights of Digital Signal Analysis of the described momentary current that reads according to described read module, and obtain described the first average current, obtain described the second average current according to the Digital Signal Analysis of described momentary current according to the Digital Signal Analysis of described momentary current within the described cycle;
Judge module is used for judging that whether described the second average current equals described the first average current, if described the second average current is not equal to described the first average current, sends warning message.
Particularly, described the first momentary current and the 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, comprises the following steps:
(1) detect the current peak I of traffic lights operation
max
(2) start the first sense cycle T
1, detect momentary current I and whether equal described current peak I
max, and record two adjacent current peak I
maxThe time interval T that occurs filters out maximum time interval T
max
(3) again 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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals T
max, 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) again start the second sense cycle T
2, described momentary current I is carried out integration obtains the second average current I
2
(6) described the second average current I of judgement
2Whether equal described the first average current I
1If, I
2Be not equal to I
1, carry out alarming processing; If I
2Equal I
1, continue to detect until described momentary current I equals current peak 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 described the first sense cycle T detection time
1If, reach, carry out step (3), otherwise repeating step (2) reaches (21).
Particularly, described step (4) obtains described the 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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals T
max, carry out step (5), on the contrary repeating step (4) and (41).
Particularly, described step (5) obtains described the second average current I
2After also comprise:
(51) inquire about whether reach described the second sense cycle T detection time
2If, reach, carry out step (6), otherwise repeating step (5) reaches (51).
By following description also by reference to the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used for explaining embodiments of the invention.
Description of drawings
Fig. 1 is the stereographic map of traffic light monitoring equipment 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, in accompanying drawing, similar element numbers represents similar element.As mentioned above, the invention provides a kind of traffic light monitoring equipment, the microcontroller of described traffic light monitoring equipment reads, analyzes the second momentary current of described traffic lights, thereby obtain described the second average current, and described the second average current is compared with described the first average current, and then send warning message by described communicator, be that described traffic light monitoring equipment carries out Real Time Monitoring to the ruuning situation of described traffic lights, can in time notify traffic control department to process, 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 light monitoring equipment 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 to described microcontroller 30.Wherein, described current detector 10 is for detection of the first momentary current and second momentary current of traffic lights; Described microcontroller 20 is for the cycle of the control system operation of reading and analyze according to described the first momentary current described traffic lights and the first average current in the described cycle, preserve described cycle and the first average current, again read and analyze according to the second momentary current the second average current of described traffic lights within the described cycle, judge whether described the second average current equals described the first average current, if described the second average current is not equal to described the first average current, and sends warning message; Described communicator 30 is used for receiving and sending the warning message of described microcontroller 20.
Particularly, as shown in Figure 2, described microcontroller 20 comprises the mould of mutual electrical connection/number conversion module 201, read module 202, analysis module 203 judge modules 204 and timer 205, the input end of described mould/number conversion module 201 is electrically connected to described current detector 10, the input end of described read module 202 is electrically connected to described timer 30, and the output terminal of described judge module 204 is electrically connected to described communicator 30.Wherein, described mould/number conversion module 201 is used for described current detector 10 is detected described the first momentary current and the second momentary current are converted to digital signal; Described read module 202 is used for reading described mould/described first momentary current of number conversion module 201 conversions and the digital signal of the 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 the first momentary current of reading according to described read module 201, and obtains described the first average current, obtains described the second average current according to the Digital Signal Analysis of described the second momentary current according to the Digital Signal Analysis of described the first momentary current within the described cycle; Described judge module 204 is used for judging that whether described the second average current equals described the first average current, if described the second average current is not equal to described the first average current, sends 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 processed.
Particularly, described the first momentary current and the 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 comprises the following steps:
(1) detect the current peak I of traffic lights operation
max
(2) start the first sense cycle T
1, detect momentary current I and whether equal described current peak I
max, and record two current peak I
maxThe time interval T that occurs filters out maximum time interval T
max
(21) inquire about whether reach described the first sense cycle T detection time
1If, reach, carry out step (3), otherwise repeating step (2) reaches (21);
(3) again 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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals T
max, 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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals T
max, carry out step (5), on the contrary repeating step (4) and (41);
(5) again start the second sense cycle T
2, described momentary current I is carried out integration obtains the second average current I
2
(51) inquire about whether reach described the second sense cycle T detection time
2If, reach, carry out step (6), otherwise repeating step (5) reaches (51);
(6) described the second average current I of judgement
2Whether equal described the first average current I
1If, I
2Be not equal to I
1, carry out alarming processing; If I
2Equal I
1, continue to detect until whether described momentary current I equals current peak 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, carries out S104, otherwise 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, again starts 10 minutes regularly;
S105 detects described momentary current I and whether equals current peak I
maxIf, equal, 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
maxIf, equal, carry out S108, otherwise repeat S107;
S108 records two current peak I
maxThe time interval T that occurs filters out maximum time interval T
max
S109, whether inquiry reaches described the first sense cycle T
1If, reach, carry out step S110, otherwise repeat S106～S109;
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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals T
max, carry out S111, otherwise 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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals T
max, carry out S114, otherwise repeat S112～S113;
S114 records described the 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 again
2
S117 carries out integration to described momentary current I and obtains the second average current I
2
S118, whether inquiry reaches described the second sense cycle T
2If, reach, carry out S119, otherwise repeat S117～S118;
S119 records described the second average current I
2, and judge described the second average current I
2Whether equal described the first average current I
1If, I
2Be not equal to I
1, carry out S120, otherwise carry out S121;
S120 carries out alarming processing;
S121 again 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
maxIf the described time interval equals T
max, repeating step S116～S119, on the contrary S121 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 (6)
1. a traffic light monitoring equipment, is characterized in that, comprising:
Current detector is for detection of the momentary current of traffic lights;
Microcontroller is used for starting the first sense cycle T
1, detect momentary current and whether equal current peak I
max, and record two adjacent current peak I
maxThe time interval T that occurs filters out maximum time interval T
maxAgain detect described momentary current and whether equal current peak I
max, and two adjacent current peak I
maxWhether the time interval that occurs equals T
maxIf described momentary current equals current peak I
maxAnd the described time interval equals T
max, start the second sense cycle T
2, described momentary current is carried out integration obtains the first average current; Otherwise, again 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, until described momentary current equals current peak I
maxAnd the described time interval equals T
maxAgain start the second sense cycle T
2, described momentary current is carried out integration obtains the second average current; Judge that whether described the second average current equals described the first average current, if described the second average current is not equal to described the first average current, sends warning message; If described the second average current equals described the first average current, continue to detect until described momentary current I equals current peak I
max, and two adjacent current peak I
maxThe time interval that occurs equals T
max, and then start the second sense cycle T
2, described momentary current is carried out integration obtains the second average current, and judge whether described the second average current equals described the first average current, until described the second average current is not equal to described the first average current;
Communicator is for the warning message that receives and send described microcontroller.
2. traffic light monitoring equipment as claimed in claim 1, is characterized in that, described microcontroller comprises:
Mould/number conversion module, the described momentary current that is used for described current detector is detected is converted to digital signal;
Read module is for the digital signal of the described momentary current that reads described mould/number conversion module converts;
Analysis module, the cycle of control system operation that is used for the described traffic lights of Digital Signal Analysis of the described momentary current that reads according to described read module, and obtain described the first average current, obtain described the second average current according to the Digital Signal Analysis of described momentary current according to the Digital Signal Analysis of described momentary current within the described cycle;
Judge module is used for judging that whether described the second average current equals described the first average current, if described the second average current is not equal to described the first average current, sends warning message.
3. a traffic lights method for supervising, is characterized in that, comprises the following steps:
(1) detect the current peak I of traffic lights operation
max
(2) start the first sense cycle T
1, detect momentary current I and whether equal described current peak I
max, and record two adjacent current peak I
maxThe time interval T that occurs filters out maximum time interval T
max
(3) again 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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals T
max, 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) again start the second sense cycle T
2, described momentary current I is carried out integration obtains the second average current I
2
(6) described the second average current I of judgement
2Whether equal described the first average current I
1If, I
2Be not equal to I
1, carry out alarming processing; If I
2Equal I
1, continue to detect until described momentary current I equals current peak I
max, and two adjacent current peak I
maxThe time interval that occurs equals T
max, repeating step (5)～(6) then.
4. traffic lights method for supervising as claimed in claim 3, is characterized in that, described step (2) filters out described time interval T
maxAfter, also comprise:
(21) inquire about whether reach described the first sense cycle T detection time
1If, reach, carry out step (3), otherwise repeating step (2) reaches (21).
5. traffic lights method for supervising as claimed in claim 3, is characterized in that, described step (4) obtains described the 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
maxIf described momentary current I equals current peak I
maxAnd the described time interval equals t
max, carry out step (5), on the contrary repeating step (4) and (41).
6. traffic lights method for supervising as claimed in claim 3, is characterized in that, described step (5) obtains described the second average current I
2After also comprise:
(51) inquire about whether reach described the second sense cycle T detection time
2If, reach, carry out step (6), otherwise repeating step (5) reaches (51).
Priority Applications (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 |
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 CN102024340A (en) | 2011-04-20 |
| CN102024340B true CN102024340B (en) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010614412 Active CN102024340B (en) | 2010-12-30 | 2010-12-30 | Traffic light monitoring device and monitoring method thereof |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0330164A2 (en) * | 1988-02-25 | 1989-08-30 | Siemens Aktiengesellschaft | Partial traffic-signalling system disconnecting device |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6583731B2 (en) * | 2001-04-19 | 2003-06-24 | Singapore Technologies Electronics Ltd. | Fault detection for traffic light systems using electronic lighting elements |
-
2010
- 2010-12-30 CN CN 201010614412 patent/CN102024340B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0330164A2 (en) * | 1988-02-25 | 1989-08-30 | Siemens Aktiengesellschaft | Partial traffic-signalling system disconnecting device |
| 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 |
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| CN102024340A (en) | 2011-04-20 |
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