CN103400511B - A kind of intelligent traffic monitoring system preventing vehicle rear-end collision - Google Patents
A kind of intelligent traffic monitoring system preventing vehicle rear-end collision Download PDFInfo
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- CN103400511B CN103400511B CN201310351038.9A CN201310351038A CN103400511B CN 103400511 B CN103400511 B CN 103400511B CN 201310351038 A CN201310351038 A CN 201310351038A CN 103400511 B CN103400511 B CN 103400511B
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- vehicle
- sense terminals
- communication module
- zigbee communication
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Abstract
The invention discloses a kind of intelligent traffic monitoring system preventing vehicle rear-end collision, comprise: car-mounted terminal, it is arranged on vehicle, multiple sense terminals, each sense terminals comprises a microwave vehicle detecting device, a processing module and a 2nd zigbee communication module, microwave vehicle detecting device is for detecting the travel speed of the vehicle through its surveyed area, 2nd zigbee communication module is for realizing current detection terminal and the adjacent communication being positioned at the sense terminals on front side of it, to obtain the travel speed of vehicle in front, and the travel speed of Current vehicle is compared with the travel speed of vehicle in front, to determine whether the two can knock into the back, and according to comparative result, alerting signal is sent to Current vehicle.The present invention can realize the anticipation of vehicle rear-end collision, and sends alerting signal, thus ensures traffic safety, and the present invention is particularly useful for the exceedingly odious weather such as sleet, dense fog.
Description
Technical field
The present invention relates to traffic surveillance and control system, particularly relate to a kind of intelligent traffic monitoring system preventing vehicle rear-end collision.
Background technology
The traffic surveillance and control system of prior art adopts wagon detector monitoring vehicle whether to there is the situation of the traffic violation usually, but existing traffic surveillance and control system can't realize monitoring in real time the travel situations of adjacent two vehicles, and vehicle rear-end collision situation is predicted, and report to the police.Some extreme weathers, when as dense fog, heavy rain or heavy snow, road visibility is very low, especially needs the travel situations that this system can monitor vehicle on track in real time, to ensure traffic safety.
Summary of the invention
Object of the present invention provides a kind of intelligent traffic monitoring system preventing vehicle rear-end collision.
Technical scheme provided by the invention is:
Prevent an intelligent traffic monitoring system for vehicle rear-end collision, comprising:
Car-mounted terminal, it is arranged on vehicle, and described car-mounted terminal comprises a zigbee communication module;
Multiple sense terminals, each sense terminals comprises a microwave vehicle detecting device, a processing module and a 2nd zigbee communication module, and processing module is connected with microwave vehicle detecting device and the 2nd zigbee communication module;
Wherein, multiple sense terminals is evenly distributed on side, track, the microwave vehicle detecting device of each sense terminals sends microbeam, and form the surveyed area that covers described track on the Width in described track, interval L rice between adjacent two microwave vehicle detecting devices, wherein, 50≤L≤100;
The communication distance of the 2nd zigbee communication module of each sense terminals is L rice, then the 2nd zigbee communication module of each sense terminals formed one with the 2nd zigbee communication module be the center of circle, the communication zone that is radius with L rice, the communication distance of a described zigbee communication module is also L rice;
In each sense terminals, each microwave vehicle detecting device detects in its surveyed area the travel speed whether with vehicle and the vehicle through its surveyed area, when vehicle having been detected, then transmits travel speed data to processing module;
Each sense terminals can be communicated with the adjacent sense terminals be positioned on front side of it by the 2nd zigbee communication module, the direction of described front side points is consistent with the travel direction of vehicle, for a sense terminals, the adjacent sense terminals be positioned on front side of it is defined as in front sense terminals;
Each sense terminals also can with the vehicle communication of surveyed area through its microwave vehicle detecting device;
In current detection terminal, when microwave vehicle detecting device detects Current vehicle, when pre-processing module receives current driving speed data, by this current driving speed data V
iwith predetermined threshold value V
orelatively, as V
i>V
o, then current detection terminal communicates with in front sense terminals, and drives in the front speed data V from what obtain the vehicle that detects at front microwave vehicle detecting device at pre-processing module
i-1, when pre-processing module compares V again
iwith V
i-1, work as V
i>V
i-1time, then current detection terminal is communicated with current vehicle mounted terminal by current 2nd zigbee communication module and a current zigbee communication module, sends drive in the front speed data V to current vehicle mounted terminal
i-1, and send alerting signal to current vehicle mounted terminal.
Preferably, described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, described predetermined threshold value V
ofor 50km/h.
Preferably, described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, L=100.
Preferably, described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, described car-mounted terminal comprises control module and speech player, described control module is connected with speech player and a zigbee communication module, and controls described speech player for playing alerting signal with speech form.
Preferably, described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, and each sense terminals also comprises a solar cell, and described solar cell is that sense terminals is powered.
Preferably, described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, 2nd zigbee communication module of each sense terminals is provided with an address, 2nd zigbee communication module of each sense terminals also has an address verifying module, this address verifying module stores the address verifying module of the 2nd zigbee communication module in front sense terminals, when the address verifying module of the 2nd zigbee communication module of current detection terminal is by the checking to the 2nd zigbee communication module in front sense terminals, current detection terminal just communicates with in front sense terminals.
Intelligent traffic monitoring system of the present invention has following beneficial effect: the present invention includes multiple sense terminals, each sense terminals comprises a microwave vehicle detecting device, a processing module and a 2nd zigbee communication module, microwave vehicle detecting device is for detecting the travel speed of the vehicle through its surveyed area, 2nd zigbee communication module is for realizing current detection terminal and the adjacent communication being positioned at the sense terminals on front side of it, to obtain the travel speed of vehicle in front, and the travel speed of Current vehicle is compared with the travel speed of vehicle in front, to determine whether the two can knock into the back, and according to comparative result, alerting signal is sent to Current vehicle.The present invention can realize the anticipation of vehicle rear-end collision, and sends alerting signal, thus ensures traffic safety, and the present invention is particularly useful for the exceedingly odious weather such as sleet, dense fog.
Accompanying drawing explanation
Fig. 1 is the structural representation of intelligent traffic monitoring system of the present invention;
Fig. 2 is the structural representation of sense terminals of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail, can implement according to this with reference to instructions word to make those skilled in the art.
As depicted in figs. 1 and 2, the invention provides a kind of intelligent traffic monitoring system preventing vehicle rear-end collision, comprise: car-mounted terminal, it is arranged on vehicle, described car-mounted terminal comprises a zigbee communication module: multiple sense terminals, each sense terminals comprises a microwave vehicle detecting device, a processing module and a 2nd zigbee communication module, and processing module is connected with microwave vehicle detecting device and the 2nd zigbee communication module; Wherein, multiple sense terminals is evenly distributed on side, track, the microwave vehicle detecting device of each sense terminals sends microbeam, and form the surveyed area that covers described track on the Width in described track, interval L rice between adjacent two microwave vehicle detecting devices, wherein, 50≤L≤100; The communication distance of the 2nd zigbee communication module of each sense terminals is L rice, then the 2nd zigbee communication module of each sense terminals formed one with the 2nd zigbee communication module be the center of circle, the communication zone that is radius with L rice, the communication distance of a described zigbee communication module is also L rice.
In each sense terminals, each microwave vehicle detecting device detects in its surveyed area the travel speed whether with vehicle and the vehicle through its surveyed area, when vehicle having been detected, then transmits travel speed data to processing module.
In the present invention, be first each microwave vehicle detecting device for the formation of a surveyed area, when vehicle enters to a surveyed area, microwave vehicle detecting device can detect vehicle, and the travel speed of vehicle detected.Interval L rice between adjacent two microwave vehicle detecting devices, and 50≤L≤100.This considers when vehicle may knock into the back, and needs vehicle to have enough distances to slow down, even brake, more because the present invention is mainly applicable to sleet, foggy weather, under this weather condition, ground is wet and slippery, needs long distance for vehicle deceleration.Preferably, L=100.
Each sense terminals can be communicated with the adjacent sense terminals be positioned on front side of it by the 2nd zigbee communication module, the direction of described front side points is consistent with the travel direction of vehicle, for a sense terminals, the adjacent sense terminals be positioned on front side of it is defined as in front sense terminals; Each sense terminals also can with the vehicle communication of surveyed area through its microwave vehicle detecting device.
In current detection terminal, when microwave vehicle detecting device detects Current vehicle, when pre-processing module receives current driving speed data, by this current driving speed data V
iwith predetermined threshold value V
orelatively, as V
i>V
o, then current detection terminal communicates with in front sense terminals, and drives in the front speed data V from what obtain the vehicle that detects at front microwave vehicle detecting device at pre-processing module
i-1, when pre-processing module compares V again
iwith V
i-1, work as V
i>V
i-1time, then current detection terminal is communicated with current vehicle mounted terminal by current 2nd zigbee communication module and a current zigbee communication module, sends drive in the front speed data V to current vehicle mounted terminal
i-1, and send alerting signal to current vehicle mounted terminal.
Described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, described predetermined threshold value V
ofor 50km/h.
Direction pointed by " front side " of the present invention is consistent with the travel direction of vehicle, as the direction of arrow indication in Fig. 1.
In the anticipation process of carrying out the situation that knocks into the back, the current driving speed data V of Current vehicle
iwith predetermined threshold value V
orelatively, as V
i≤ V
o, current detection terminal just communicates with in front sense terminals, this is because when travel speed is less, vehicle has enough Distance geometry timed decelerations all the time; As V
i>V
o, then current detection terminal communicates with in front sense terminals, and drives in the front speed data, if V from obtaining at pre-processing module
i>V
i-1, then think likely to there will be and knock into the back, now, need to send alerting signal.
Because each vehicle is provided with car-mounted terminal, car-mounted terminal is provided with a zigbee communication module, when Current vehicle is positioned at the communication zone of a 2nd zigbee communication module, just can receives the alerting signal of the white sense terminals that arrives.
In the present invention, all zigbee communication modules are provided with a shared address, namely for any one zigbee communication module, as long as it enters in the communication zone of a 2nd zigbee communication module, just can communicate.And for the 2nd zigbee communication module, each 2nd zigbee communication module has an independently address, and a 2nd zigbee communication module has an address verifying module, it by means of only the communication request in front 2nd zigbee communication module, and communicates with it.
Described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, described car-mounted terminal comprises control module and speech player, described control module is connected with speech player and a zigbee communication module, and controls described speech player for playing alerting signal with speech form.
Described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, and each sense terminals also comprises a solar cell, and described solar cell is that sense terminals is powered.
Described prevents in the intelligent traffic monitoring system of vehicle rear-end collision, 2nd zigbee communication module of each sense terminals is provided with an address, 2nd zigbee communication module of each sense terminals also has an address verifying module, this address verifying module stores the address verifying module of the 2nd zigbee communication module in front sense terminals, when the address verifying module of the 2nd zigbee communication module of current detection terminal is by the checking to the 2nd zigbee communication module in front sense terminals, current detection terminal just communicates with in front sense terminals.
Although embodiment of the present invention are open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.
Claims (5)
1. prevent an intelligent traffic monitoring system for vehicle rear-end collision, it is characterized in that, comprising:
Car-mounted terminal, it is arranged on vehicle, and described car-mounted terminal comprises a zigbee communication module;
Multiple sense terminals, each sense terminals comprises a microwave vehicle detecting device, a processing module and a 2nd zigbee communication module, and processing module is connected with microwave vehicle detecting device and the 2nd zigbee communication module;
Wherein, multiple sense terminals is evenly distributed on side, track, the microwave vehicle detecting device of each sense terminals sends microbeam, and form the surveyed area that covers described track on the Width in described track, interval L rice between adjacent two microwave vehicle detecting devices, wherein, 50≤L≤100;
The communication distance of the 2nd zigbee communication module of each sense terminals is L rice, then the 2nd zigbee communication module of each sense terminals formed one with the 2nd zigbee communication module be the center of circle, the communication zone that is radius with L rice, the communication distance of a described zigbee communication module is also L rice;
In each sense terminals, each microwave vehicle detecting device detects in its surveyed area the travel speed whether with vehicle and the vehicle through its surveyed area, when vehicle having been detected, then transmits travel speed data to processing module;
Each sense terminals is communicated with the adjacent sense terminals be positioned on front side of it by the 2nd zigbee communication module, the direction of described front side points is consistent with the travel direction of vehicle, for a sense terminals, the adjacent sense terminals be positioned on front side of it is defined as in front sense terminals;
Each sense terminals also with the vehicle communication of surveyed area through its microwave vehicle detecting device;
In current detection terminal, when microwave vehicle detecting device detects Current vehicle, when pre-processing module receives current driving speed data, by this current driving speed data V
iwith predetermined threshold value V
orelatively, as V
i> V
o, then current detection terminal communicates with in front sense terminals, and drives in the front speed data V from what obtain the vehicle that detects at front microwave vehicle detecting device at pre-processing module
i-1, when pre-processing module compares V again
iwith V
i-1, work as V
i> V
i-1time, then current detection terminal is communicated with current vehicle mounted terminal by current 2nd zigbee communication module and a current zigbee communication module, sends drive in the front speed data V to current vehicle mounted terminal
i-1, and send alerting signal to current vehicle mounted terminal;
2nd zigbee communication module of each sense terminals is provided with an address, 2nd zigbee communication module of each sense terminals also has an address verifying module, this address verifying module stores the address verifying module of the 2nd zigbee communication module in front sense terminals, when the address verifying module of the 2nd zigbee communication module of current detection terminal is by the checking to the 2nd zigbee communication module in front sense terminals, current detection terminal just communicates with in front sense terminals.
2. prevent the intelligent traffic monitoring system of vehicle rear-end collision as claimed in claim 1, it is characterized in that, described predetermined threshold value V
ofor 50km/h.
3. prevent the intelligent traffic monitoring system of vehicle rear-end collision as claimed in claim 2, it is characterized in that, L=100.
4. prevent the intelligent traffic monitoring system of vehicle rear-end collision as claimed in claim 1, it is characterized in that, described car-mounted terminal comprises control module and speech player, described control module is connected with speech player and a zigbee communication module, and controls described speech player for playing alerting signal with speech form.
5. prevent the intelligent traffic monitoring system of vehicle rear-end collision as claimed in claim 1, it is characterized in that, each sense terminals also comprises a solar cell, and described solar cell is that sense terminals is powered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351038.9A CN103400511B (en) | 2013-08-13 | 2013-08-13 | A kind of intelligent traffic monitoring system preventing vehicle rear-end collision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310351038.9A CN103400511B (en) | 2013-08-13 | 2013-08-13 | A kind of intelligent traffic monitoring system preventing vehicle rear-end collision |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103400511A CN103400511A (en) | 2013-11-20 |
| CN103400511B true CN103400511B (en) | 2015-11-18 |
Family
ID=49564120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310351038.9A Expired - Fee Related CN103400511B (en) | 2013-08-13 | 2013-08-13 | A kind of intelligent traffic monitoring system preventing vehicle rear-end collision |
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| CN (1) | CN103400511B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106530827A (en) * | 2016-11-21 | 2017-03-22 | 深圳市元征软件开发有限公司 | Corner driving early warning device, system and method |
| CN110969895B (en) * | 2018-09-30 | 2021-03-26 | 杭州海康威视数字技术股份有限公司 | Vehicle distance detection method, device, system and server |
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|---|---|
| CN103400511A (en) | 2013-11-20 |
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Inventor after: Wang Weifang Inventor before: Chen Ping |
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Effective date of registration: 20170615 Address after: 266121 Shandong Province, Qingdao city Licang District Road No. 91 4 unit 201 Patentee after: Qingdao blue ocean Cheng Cheng Information Technology Co., Ltd. Address before: 536000 Beihai Industrial Park, the Guangxi Zhuang Autonomous Region Industrial Park, North Park, North China, 09 Patentee before: Beihai Hesi Technology Co., Ltd. |
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Granted publication date: 20151118 Termination date: 20190813 |