CN103400511A - Intelligent traffic surveillance and control system - Google Patents
Intelligent traffic surveillance and control system Download PDFInfo
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- CN103400511A CN103400511A CN2013103510389A CN201310351038A CN103400511A CN 103400511 A CN103400511 A CN 103400511A CN 2013103510389 A CN2013103510389 A CN 2013103510389A CN 201310351038 A CN201310351038 A CN 201310351038A CN 103400511 A CN103400511 A CN 103400511A
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- vehicle
- sense terminals
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- zigbee communication
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Abstract
The invention discloses an intelligent traffic surveillance and control system which comprises a vehicle terminal arranged on the vehicle, a plurality of detecting terminals, each detecting terminal comprises a microwave vehicle detector, a processing module and a second zigbee communication module, the microwave vehicle detector is used for detecting traveling speed of a vehicle passing through the detecting area, the second zigbee communication module is used for realizing communication between the current detecting terminal and an adjacent detecting terminal which positions in front of the current detecting terminal, so as to obtain the traveling speed of the previous vehicle, and compare the traveling speed of the current vehicle and that of the previous vehicle, and determine whether rear-end collision will occur between the two vehicles, and then alarming signal can be sent to the current vehicle according to the comparison result. The system provided by the invention can realize anticipating of rear-end collision and send alarming signal, so as to guarantee traveling safety, and the system is especially suitable for extreme severe weather such as rain, snow and heavy fog.
Description
Technical field
The present invention relates to traffic surveillance and control system, relate in particular to a kind of intelligent traffic monitoring system that prevents vehicle rear-end collision.
Background technology
The traffic surveillance and control system of prior art adopts the wagon detector monitoring vehicle whether to have the situation of the traffic violation usually, but existing traffic surveillance and control system can't be realized the travel situations of adjacent two vehicles is carried out Real Time Monitoring, and the vehicle rear-end collision situation is predicted, and report to the police.Some extreme weathers, in the situation as dense fog, heavy rain or heavy snow, road visibility is very low, especially need to have this system can the Real Time Monitoring track on the travel situations of vehicle, to guarantee traffic safety.
Summary of the invention
Purpose of the present invention provides a kind of intelligent traffic monitoring system that prevents vehicle rear-end collision.
Technical scheme provided by the invention is:
A kind of intelligent traffic monitoring system that prevents vehicle rear-end collision comprises:
Car-mounted terminal, it is arranged on vehicle, and described car-mounted terminal comprises a zigbee communication module;
A plurality of sense terminals, each sense terminals comprise a microwave vehicle detecting device, a processing module and the 2nd a zigbee communication module, and processing module is connected with microwave vehicle detecting device and the 2nd zigbee communication module;
Wherein, a plurality of sense terminals are evenly distributed on track one side, the microwave vehicle detecting device of each sense terminals sends microbeam, and form a 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, the 2nd zigbee communication module of each sense terminals forms one take the communication zone of the 2nd zigbee communication module as the center of circle, take L rice as radius, and the communication distance of a described zigbee communication module is also L rice;
On each sense terminals, each microwave vehicle detecting device detects in its surveyed area the travel speed of the vehicle that whether has vehicle and its surveyed area of process, when vehicle having been detected, to processing module, transmits the travel speed data;
Each sense terminals can be communicated by letter with an adjacent sense terminals that is positioned at its front side 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, an adjacent sense terminals that will be positioned at its front side is defined as in front sense terminals;
Each sense terminals also can with the vehicle communication through the surveyed area of its microwave vehicle detecting device;
On the current detection terminal, when detecting, the microwave vehicle detecting device works as vehicle in front, when pre-processing module receives the current driving speed data, with this current driving speed data V
iWith predetermined threshold value V
oRelatively, as V
iV
o, the current detection terminal with communicate by letter in front sense terminals, and from obtain the speed data V that travels front of 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
iV
i-1The time, the current detection terminal is communicated by letter with current car-mounted terminal by current the 2nd zigbee communication module and a current zigbee communication module, to the speed data V that travels before current car-mounted terminal is emitted in
i-1, and to current car-mounted terminal, send alerting signal.
Preferably, in the described intelligent traffic monitoring system that prevents vehicle rear-end collision, described predetermined threshold value V
oFor 50km/h.
Preferably, in the described intelligent traffic monitoring system that prevents vehicle rear-end collision, L=100.
Preferably, in the described intelligent traffic monitoring system that prevents 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 speech form, playing alerting signal.
Preferably, in the described intelligent traffic monitoring system that prevents vehicle rear-end collision, each sense terminals also comprises a solar cell, and described solar cell is the sense terminals power supply.
preferably, in the described intelligent traffic monitoring system that prevents vehicle rear-end collision, the 2nd zigbee communication module of each sense terminals is provided with an address, the 2nd zigbee communication module of each sense terminals also has an address validation module, this address validation module stores has the address validation module in the 2nd zigbee communication module of front sense terminals, when the address validation module of the 2nd zigbee communication module of current detection terminal by the checking to the 2nd zigbee communication module in front sense terminals, the current detection terminal just with communicate by letter in front sense terminals.
intelligent traffic monitoring system of the present invention has following beneficial effect: the present invention includes a plurality of sense terminals, each sense terminals comprises a microwave vehicle detecting device, a processing module and the 2nd a zigbee communication module, the microwave vehicle detecting device is for detection of the travel speed of the vehicle through its surveyed area, the 2nd zigbee communication module is used for realizing communicating by letter of current detection terminal and the adjacent sense terminals that is positioned at its front side, to obtain the travel speed of vehicle in front, and will work as the travel speed of vehicle in front and the travel speed of vehicle in front is compared, to determine both whether can knock into the back, and according to comparative result, to when vehicle in front, sending alerting signal.The present invention can realize the anticipation of vehicle rear-end collision, and sends alerting signal, thereby guarantees traffic safety, and the present invention is particularly useful for the exceedingly odious weather such as sleet, dense fog.
Description of drawings
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
The present invention is described in further detail below in conjunction with accompanying drawing, to make those skilled in the art, with reference to the instructions word, can implement according to this.
As depicted in figs. 1 and 2, the invention provides a kind of intelligent traffic monitoring system that prevents vehicle rear-end collision, comprise: car-mounted terminal, it is arranged on vehicle, described car-mounted terminal comprises a zigbee communication module: a plurality of sense terminals, each sense terminals comprises a microwave vehicle detecting device, a processing module and the 2nd a zigbee communication module, and processing module is connected with microwave vehicle detecting device and the 2nd zigbee communication module; Wherein, a plurality of sense terminals are evenly distributed on track one side, the microwave vehicle detecting device of each sense terminals sends microbeam, and form a 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, the 2nd zigbee communication module of each sense terminals forms one take the communication zone of the 2nd zigbee communication module as the center of circle, take L rice as radius, and the communication distance of a described zigbee communication module is also L rice.
On each sense terminals, each microwave vehicle detecting device detects in its surveyed area the travel speed of the vehicle that whether has vehicle and its surveyed area of process, when vehicle having been detected, to processing module, transmits the travel speed data.
In the present invention, be at first that each microwave vehicle detecting device is used to form a surveyed area, when vehicle entered to a surveyed area, the 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 is to consider in the situation that vehicle may knock into the back, and needs vehicle to have enough distances to slow down, even brake, more because the present invention mainly is applicable to sleet, foggy weather, under this weather condition, ground is wet and slippery, needs long distance to be used for vehicle deceleration.Preferably, L=100.
Each sense terminals can be communicated by letter with an adjacent sense terminals that is positioned at its front side 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, an adjacent sense terminals that will be positioned at its front side is defined as in front sense terminals; Each sense terminals also can with the vehicle communication through the surveyed area of its microwave vehicle detecting device.
On the current detection terminal, when detecting, the microwave vehicle detecting device works as vehicle in front, when pre-processing module receives the current driving speed data, with this current driving speed data V
iWith predetermined threshold value V
oRelatively, as V
iV
o, the current detection terminal with communicate by letter in front sense terminals, and from obtain the speed data V that travels front of 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
iV
i-1The time, the current detection terminal is communicated by letter with current car-mounted terminal by current the 2nd zigbee communication module and a current zigbee communication module, to the speed data V that travels before current car-mounted terminal is emitted in
i-1, and to current car-mounted terminal, send alerting signal.
In the described intelligent traffic monitoring system that prevents vehicle rear-end collision, described predetermined threshold value V
oFor 50km/h.
" front side " of the present invention direction pointed is consistent with the travel direction of vehicle, as the direction of arrow indication in Fig. 1.
In the anticipation process of the situation of knocking into the back, as the current driving speed data V of vehicle in front
iWith predetermined threshold value V
oRelatively, as V
i≤ V
o, the current detection terminal just with communicate by letter in front sense terminals, this is because in the situation that travel speed is less, vehicle has enough distances and timed deceleration all the time; As V
iV
o, the current detection terminal with communicate by letter in front sense terminals, and from obtain the speed data of travelling front at pre-processing module, if V
iV
i-1, think and likely there will be and knock into the back, at this moment, need to send alerting signal.
Because each vehicle is equipped with car-mounted terminal, be provided with a zigbee communication module on car-mounted terminal, when vehicle in front is positioned at the communication zone of the 2nd a zigbee communication module, just can receive 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 the 2nd a zigbee communication module, just can communicate.And for the 2nd zigbee communication module, each the 2nd zigbee communication module has an independently address, and the 2nd a zigbee communication module has an address validation module, and it is only by the communication request in front the 2nd zigbee communication module, and communication with it.
In the described intelligent traffic monitoring system that prevents 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 speech form, playing alerting signal.
In the described intelligent traffic monitoring system that prevents vehicle rear-end collision, each sense terminals also comprises a solar cell, and described solar cell is the sense terminals power supply.
In the described intelligent traffic monitoring system that prevents vehicle rear-end collision, the 2nd zigbee communication module of each sense terminals is provided with an address, the 2nd zigbee communication module of each sense terminals also has an address validation module, this address validation module stores has the address validation module in the 2nd zigbee communication module of front sense terminals, when the address validation module of the 2nd zigbee communication module of current detection terminal by the checking to the 2nd zigbee communication module in front sense terminals, the current detection terminal just with communicate by letter in front sense terminals.
Although embodiment of the present invention are open as above, but it is not restricted to listed utilization in instructions and embodiment, it can be applied to various suitable the field of the invention fully, for those skilled in the art, can easily realize other modification, 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 of describing.
Claims (6)
1. an intelligent traffic monitoring system that prevents vehicle rear-end collision, is characterized in that, comprising:
Car-mounted terminal, it is arranged on vehicle, and described car-mounted terminal comprises a zigbee communication module;
A plurality of sense terminals, each sense terminals comprise a microwave vehicle detecting device, a processing module and the 2nd a zigbee communication module, and processing module is connected with microwave vehicle detecting device and the 2nd zigbee communication module;
Wherein, a plurality of sense terminals are evenly distributed on track one side, the microwave vehicle detecting device of each sense terminals sends microbeam, and form a surveyed area that covers described track on the Width in described track, adjacent two microwave vehicle detecting devices ask interval L rice, wherein, 50≤L≤100;
The communication distance of the 2nd zigbee communication module of each sense terminals is L rice, the 2nd zigbee communication module of each sense terminals forms one take the communication zone of the 2nd zigbee communication module as the center of circle, take L rice as radius, and the communication distance of a described zigbee communication module is also L rice;
On each sense terminals, each microwave vehicle detecting device detects in its surveyed area the travel speed of the vehicle that whether has vehicle and its surveyed area of process, when vehicle having been detected, to processing module, transmits the travel speed data;
Each sense terminals can be communicated by letter with an adjacent sense terminals that is positioned at its front side 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, an adjacent sense terminals that will be positioned at its front side is defined as in front sense terminals;
Each sense terminals also can with the vehicle communication through the surveyed area of its microwave vehicle detecting device;
On the current detection terminal, when detecting, the microwave vehicle detecting device works as vehicle in front, when pre-processing module receives the current driving speed data, with this current driving speed data V
iWith predetermined threshold value V
oRelatively, as V
iV
o, the current detection terminal with communicate by letter in front sense terminals, and from obtain the speed data V that travels front of 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
iV
i-1The time, the current detection terminal is communicated by letter with current car-mounted terminal by current the 2nd zigbee communication module and a current zigbee communication module, to the speed data V that travels before current car-mounted terminal is emitted in
i-1, and to current car-mounted terminal, send alerting signal.
2. the intelligent traffic monitoring system that prevents vehicle rear-end collision as claimed in claim 1, is characterized in that, described predetermined threshold value V
oFor 50kln/h.
3. the intelligent traffic monitoring system that prevents vehicle rear-end collision as claimed in claim 2, is characterized in that L=100.
4. the intelligent traffic monitoring system that prevents 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 speech form, playing alerting signal.
5. the intelligent traffic monitoring system that prevents vehicle rear-end collision as claimed in claim 1, is characterized in that, each sense terminals also comprises a solar cell, and described solar cell is the sense terminals power supply.
6. the intelligent traffic monitoring system that prevents vehicle rear-end collision as claimed in claim 1, it is characterized in that, the 2nd zigbee communication module of each sense terminals is provided with an address, the 2nd zigbee communication module of each sense terminals also has an address validation module, this address validation module stores has the address validation module in the 2nd zigbee communication module of front sense terminals, when the address validation module of the 2nd zigbee communication module of current detection terminal by the checking to the 2nd zigbee communication module in front sense terminals, the current detection terminal just with communicate by letter in front sense terminals.
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 |
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| Publication Number | Publication Date |
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| CN103400511A true CN103400511A (en) | 2013-11-20 |
| CN103400511B CN103400511B (en) | 2015-11-18 |
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ID=49564120
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|---|---|---|---|
| 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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Cited By (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 |
| CN110969895A (en) * | 2018-09-30 | 2020-04-07 | 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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|---|---|
| CN103400511B (en) | 2015-11-18 |
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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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