CN107680411A - A kind of fog-zone induction early warning system based on laser ranging - Google Patents
A kind of fog-zone induction early warning system based on laser ranging Download PDFInfo
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- CN107680411A CN107680411A CN201711072833.9A CN201711072833A CN107680411A CN 107680411 A CN107680411 A CN 107680411A CN 201711072833 A CN201711072833 A CN 201711072833A CN 107680411 A CN107680411 A CN 107680411A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
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Abstract
The invention discloses a kind of fog-zone based on laser ranging to induce early warning system, including kernel control module and multiple terminal guidance unit modules, the kernel control module is attached respectively with each terminal guidance unit module by Transmission Fibers, terminal guidance unit module measures the visibility information of the terminal guidance unit near modules, the vehicle position information for obtaining the terminal guidance unit near modules is tested by high frequency sweep, when the distance between two vehicles are less than threshold value L, triggering flashing lamp group carries out early warning.Among technical scheme provided by the invention, one section is by the way that a kernel control module enters row information control, information is sent and information processing, the distance between vehicle location and the vehicle in the section are monitored in real time, and optimal triggered time, flicker frequency and flicker brightness are calculated according to visibility value.Therefore, technical scheme provided by the invention not only has more practicality, and can improve the utilization rate of resource, while reduces the attenuation of lamp group.
Description
Technical field
The present invention relates to intelligent early-warning technical field, more particularly to a kind of fog-zone induction early warning system based on laser ranging
System.
Background technology
The fast development of China's highway cause, significant economic benefit is brought to society.In recent years, exceedingly odious day
Gas often occurs, and brings very big hidden danger to highway operation security, is counted according to vehicle supervision department, and China's road is handed in recent years
The traffic accident caused by low visibility is annual all close in 10%, especially traffic accidents in interpreter's event, low energy
Degree of opinion is one of meteorology for influenceing traffic safety most serious.
Low visibility meteorology is broadly divided into mist, severe snow, heavy rain, sandstorm, haze, night etc..Low visibility is to driving
Caused influence mainly includes three aspects：First, visibility substantially reduces, human pilot is seen not to the situation of front and surrounding
Clearly, driving line-of-sight distance greatly shortens, and easily triggers chain rear-end collision；Second, low visibility meteorology can make vehicle and road surface
Coefficient of friction reduce, especially rain, snow, the atmosphere hazard of mist are bigger, and vehicle braking distance can be made to extend, under roadability
Drop, is not easy to be discovered by driver, breakneck when being driven a vehicle to turnpike driving personnel；Third, cause driver psychology tight
.Therefore, the installation of fog-zone apparatus for deivation is just quite important.However, the lamp group flashing mechanism of existing fog-zone induction compares office
Limit, adaptability is not strong, is consumed energy in no vehicle pass-through larger, can not targetedly be carried out before and after there is accident pre-
It is alert.
The content of the invention
To solve the above problems, the present invention provides a kind of fog-zone induction early warning system based on laser ranging, at least partly
Solves above-mentioned technical problem.
Therefore, the present invention provide it is a kind of based on laser ranging fog-zone induction early warning system, including kernel control module and
Multiple terminal guidance unit modules, the kernel control module are entered respectively with each terminal guidance unit module by Transmission Fibers
Row connects, between each terminal guidance unit module independently of each other, the distance between two neighboring terminal guidance unit module model
Enclose and be for 5m-15m, the distance between the terminal guidance unit module of front end and the terminal guidance unit module of rearmost end scope
1km-2km；
The terminal guidance unit module is used for the visibility information for measuring the terminal guidance unit near modules, Yi Jitong
The vehicle position information that high frequency sweep test obtains the terminal guidance unit near modules is crossed, by the visibility information and described
Vehicle position information is transmitted to the kernel control module；
The kernel control module be used for according to the visibility information calculate threshold value L, flashing lamp group flicker frequency and
Brightness is flashed, and the distance between two neighboring vehicle is calculated according to the vehicle position information；
The kernel control module is additionally operable to, when the distance between two vehicles are less than the threshold value L, trigger the sudden strain of a muscle
Bright lamp group carries out early warning with the flicker frequency calculated and flicker brightness, and the scope of the threshold value L is 80m-120m.
Optionally, the terminal guidance unit module includes transmitting equipment and the reflecting device being correspondingly arranged；
The transmitting equipment is used to measuring the visibility informations of the terminal guidance unit near modules, and to corresponding anti-
Jet device launches laser testing signal；
The reflecting device is used for the laser testing signal for receiving the transmitting equipment transmitting, then the laser testing is believed
Number return and to be incident upon the transmitting equipment；
The transmitting equipment is used to return the laser testing signal formation vehicle position information penetrated according to the reflecting device, then
The visibility information and the vehicle position information are transmitted to the kernel control module.
Optionally, the distance between two neighboring terminal guidance unit module is 10m, the terminal guidance unit mould of front end
The distance between terminal guidance unit module of block and rearmost end is 1.5km.
Optionally, the threshold value L is 100m.
The present invention has following beneficial effects：
Fog-zone induction early warning system provided by the invention based on laser ranging, including kernel control module and multiple terminals
Guidance unit module, the kernel control module are attached respectively with each terminal guidance unit module by Transmission Fibers,
The terminal guidance unit module measures the visibility information of the terminal guidance unit near modules, is obtained by high frequency sweep test
The vehicle position information of the terminal guidance unit near modules is obtained, when the distance between two vehicles are less than threshold value L, triggering is dodged
Bright lamp group carries out early warning.Among technical scheme provided by the invention, row information is entered in a section by a kernel control module
Control, information is sent and information processing, the distance between vehicle location and the vehicle in the section is monitored in real time, according to visibility value
Calculate optimal triggered time, flicker frequency and flicker brightness.Therefore, technical scheme provided by the invention is not only more practical
Property, and the utilization rate of resource can be improved, while reduce the attenuation of lamp group.
Brief description of the drawings
Fig. 1 is the structural representation that the fog-zone based on laser ranging that the embodiment of the present invention one provides induces early warning system；
Fig. 2 is the operation schematic diagram that the fog-zone based on laser ranging that the embodiment of the present invention one provides induces early warning system.
Embodiment
To make those skilled in the art more fully understand technical scheme, the present invention is carried below in conjunction with the accompanying drawings
The induction early warning system of the fog-zone based on laser ranging supplied is described in detail.
Embodiment one
Fig. 1 is the structural representation that the fog-zone based on laser ranging that the embodiment of the present invention one provides induces early warning system.
As shown in figure 1, the early warning system includes kernel control module 1 and multiple terminal guidance unit modules, the core controls mould
Block 1 is attached respectively with each terminal guidance unit module by Transmission Fibers 2, and the terminal guidance unit module measurement should
The visibility information of terminal guidance unit near modules, tested by high frequency sweep and obtain the terminal guidance unit near modules
Vehicle position information, when the distance between two vehicles are less than threshold value L, triggering flashing lamp group carries out early warning, wherein the threshold
Value L scope is 80m-120m.Preferably, the threshold value L is 100m.
The early warning system that the present embodiment provides is by 2 groups of kernel control module 1, terminal guidance unit module and Transmission Fibers
Into wherein kernel control module 1 is substantially carried out the processing and control of all collection information in the section, is determined by feedback information
The section whether there is vehicle, vehicle particular location, whether triggers early-warning lamp group, the flicker frequency of flashing lamp group and flicker brightness.Eventually
End guidance unit module is the important component of early warning system, and each terminal guidance unit module is by transmission equipment and reflection
Equipment forms, and determines that the terminal guidance unit near modules whether there is vehicle by high frequency sweep test, when in the presence of two
When position apart between vehicle is less than threshold value L, then early-warning lamp group can be triggered.In addition, the present embodiment is according to terminal guidance unit
The visibility signal of change threshold value L of module collection, the flicker frequency of flashing lamp group and flicker brightness.Therefore, the present embodiment provides
Technical scheme not only have more practicality, and the utilization rate of resource can be improved, while reduce the attenuation of lamp group.
In the present embodiment, the terminal guidance unit module is used for the visibility for measuring the terminal guidance unit near modules
Information, and the vehicle position information for obtaining the terminal guidance unit near modules is tested by high frequency sweep, it can see described
Degree information and the vehicle position information are transmitted to the kernel control module 1.The kernel control module 1 is used for according to
Visibility information calculates threshold value L, the flicker frequency of flashing lamp group and flicker brightness, and is calculated according to the vehicle position information
The distance between two neighboring vehicle.The kernel control module 1 is additionally operable to when the distance between two vehicles are less than the threshold
During value L, the flicker frequency and flicker brightness that trigger the flashing lamp group to calculate carry out early warning.
The early warning system that the present embodiment provides tests whether determine the terminal guidance unit near modules by high frequency sweep
There is vehicle, if one of which terminal guidance unit module detects that the vehicle for sending the section at once during vehicle A has signal,
Then kernel control module 1 will track vehicle A real time position always, until vehicle A leaves the section.During this it
It is interior, if having vehicle B to occur again and being less than threshold value L at a distance of position between vehicle B and vehicle A, early-warning lamp group can be triggered,
Wherein threshold value L, the flicker frequency of early-warning lamp group and flicker brightness can be according to the terminal guidance units between vehicle A and vehicle B
The visibility value of module collection is calculated.
Referring to Fig. 1, the terminal guidance unit module includes the transmitting equipment N being correspondingly arranged1、N2With reflecting device M1、
M2, the distance between two neighboring terminal guidance unit module d1Scope be 5m-15m, the terminal guidance unit module of front end
The distance between the terminal guidance unit module of rearmost end d2Scope be 1km-2km.Preferably, two neighboring terminal guiding
The distance between unit module d1For 10m, the terminal guidance unit module of front end and the terminal guidance unit module of rearmost end
The distance between d2For 1.5km.
In the present embodiment, the transmitting equipment N1、N2Visibility for measuring the terminal guidance unit near modules is believed
Breath, and to corresponding reflecting device M1、M2Launch laser testing signal, the reflecting device M1、M2For receiving the transmitting
Equipment N1、N2The laser testing signal of transmitting, then the laser testing signal is returned and is incident upon the transmitting equipment N1、N2, the hair
Jet device N1、N2For according to the reflecting device M1、M2Return the laser testing signal penetrated and form vehicle position information, then by institute
State visibility information and the vehicle position information is transmitted to the kernel control module 1.The technical scheme that the present embodiment provides
Among, by the way that a kernel control module 1 enters row information control, information is sent and information processing, monitoring in real time should in a section
The distance between the vehicle location and vehicle in section, optimal triggered time, flicker frequency and sudden strain of a muscle are calculated according to visibility value
Bright brightness.Therefore, the technical scheme that the present embodiment provides not only has more practicality, and can improve the utilization rate of resource, together
When reduce lamp group attenuation.
Referring to Fig. 1, kernel control module 1 is substantially carried out the processing and control of all collection information in the section, passes through feedback
Information come determine the section whether there is vehicle, vehicle particular location, whether trigger early-warning lamp group and to flashing lamp group flicker frequency
Rate and flicker brightness are controlled.Transmission Fibers 2 are general single mode fibers, and one end is connected with kernel control module 1, the other end with
All terminal guidance unit modules connection in the section.Launch equipment M1It is the hair of the first group of terminal guidance unit module in the section
Penetrate module, be substantially carried out the transmitting of LDMS, the measurement of visibility value, detect information of vehicles after carry out real-time vehicle
The passback of positional information.Reflecting device N1It is the reflecting module of the first group of terminal guidance unit module in the section, is substantially carried out surveying
The transmitting of trial signal.Launch equipment M2It is the transmitter module of the second group of terminal guidance unit module in the section, is substantially carried out laser
The transmitting of range-measurement system, the measurement of visibility value, the passback for detecting progress real-time vehicle positional information after information of vehicles.Reflection
Equipment N2It is the reflecting module of the second group of terminal guidance unit module in the section, is substantially carried out the transmitting of test signal.
Fig. 2 is the operation schematic diagram that the fog-zone based on laser ranging that the embodiment of the present invention one provides induces early warning system.
As shown in Fig. 2 whole service structure is mainly guided by kernel control module 1, Transmission Fibers 2, vehicle A, vehicle B and some terminals
Unit module forms.Terminal guidance unit module is by transmitting equipment Mx、MyWith reflecting device Nx、NyComposition, adjacent end guiding are single
Standoff distance is d between element module1.Kernel control module 1 is substantially carried out the processing and control of all collection information in the section, leads to
Feedback information is crossed to determine the section whether there is vehicle, vehicle particular location, whether triggers early-warning lamp group and to flashing lamp group
Flicker frequency and flicker brightness are controlled.Transmission Fibers 2 are general single mode fibers, and one end is connected with kernel control module 1, separately
One end is connected with all terminal guidance unit modules in the section.
Referring to Fig. 2, transmitting equipment MxIt is the transmitter module of the one group of terminal guidance unit module in the section, is substantially carried out laser
The transmitting of range-measurement system, the measurement of visibility value, the passback for detecting progress real-time vehicle positional information after information of vehicles, when this
When there is vehicle A around group terminal guidance unit module, it will triggering vehicle has signal and returns to kernel control module 1, so
Vehicle A is followed the trail of always afterwards, until vehicle A leaves the section.Reflecting device NxIt is one group of section terminal guidance unit module
Reflecting module, it is substantially carried out the transmitting of test signal.Among the technical scheme that the present embodiment provides, a section passes through a core
Heart control module 1 enters row information control, information is sent and information processing, monitors in real time between the vehicle location in the section and vehicle
Distance, according to visibility value calculate the optimal triggered time, flicker frequency and flicker brightness.Therefore, the present embodiment provides
Technical scheme not only have more practicality, and the utilization rate of resource can be improved, while reduce the attenuation of lamp group.
In the present embodiment, launch equipment MyIt is the transmitter module of another group of terminal guidance unit module in the section, mainly enters
The transmitting of row LDMS, the measurement of visibility value, carry out returning for real-time vehicle positional information after detecting information of vehicles
Pass.Reflecting device NyIt is the reflecting module of another group of terminal guidance unit module in the section, is substantially carried out the transmitting of test signal.
Kernel control module 1 is received after vehicle has signal, is started early-warning lamp group triggering SBR, is monitored remaining terminal always and draw
Lead whether unit module vehicle occurs, be equal to or less than threshold value if there is vehicle B and the distance between vehicle B and vehicle A
d3, then early-warning lamp group flash signal, wherein threshold value d are triggered at once3, flicker frequency and flicker brightness can be according to vehicle A and vehicle
The visibility value of terminal guidance unit module collection between B is calculated, the threshold value d3Scope be 80m-120m.It is preferred that
, the threshold value d3For 100m.
The induction of the fog-zone based on the laser ranging early warning system that the present embodiment provides, including kernel control module and multiple ends
Guidance unit module is held, the kernel control module is connected respectively with each terminal guidance unit module by Transmission Fibers
Connect, the terminal guidance unit module measures the visibility information of the terminal guidance unit near modules, is surveyed by high frequency sweep
Examination obtains the vehicle position information of the terminal guidance unit near modules, when the distance between two vehicles are less than threshold value L, touches
Send out flashing lamp group and carry out early warning.Among the technical scheme that the present embodiment provides, a section is entered by a kernel control module
Row information control, information is sent and information processing, the distance between vehicle location and the vehicle in the section is monitored in real time, according to energy
See that angle value calculates optimal triggered time, flicker frequency and flicker brightness.Therefore, the technical scheme that the present embodiment provides is not only
More practicality, and the utilization rate of resource can be improved, while reduce the attenuation of lamp group.
It is understood that the principle that embodiment of above is intended to be merely illustrative of the present and the exemplary implementation that uses
Mode, but the invention is not limited in this.For those skilled in the art, the essence of the present invention is not being departed from
In the case of refreshing and essence, various changes and modifications can be made therein, and these variations and modifications are also considered as protection scope of the present invention.
Claims (4)
1. a kind of fog-zone induction early warning system based on laser ranging, it is characterised in that including kernel control module and multiple ends
Guidance unit module is held, the kernel control module is connected respectively with each terminal guidance unit module by Transmission Fibers
Connect, between each terminal guidance unit module independently of each other, the distance between two neighboring terminal guidance unit module scope is
5m-15m, the distance between the terminal guidance unit module of front end and the terminal guidance unit module of rearmost end scope are 1km-
2km；
The terminal guidance unit module is used for the visibility information for measuring the terminal guidance unit near modules, and passes through height
Frequency sweep test obtains the vehicle position information of the terminal guidance unit near modules, by the visibility information and the vehicle
Positional information is transmitted to the kernel control module；
The kernel control module is used to calculate threshold value L, the flicker frequency of flashing lamp group and flicker according to the visibility information
Brightness, and the distance between two neighboring vehicle is calculated according to the vehicle position information；
The kernel control module is additionally operable to, when the distance between two vehicles are less than the threshold value L, trigger the flashing lamp
Group carries out early warning with the flicker frequency calculated and flicker brightness, and the scope of the threshold value L is 80m-120m.
2. the fog-zone induction early warning system according to claim 1 based on laser ranging, it is characterised in that the terminal is drawn
Lead transmitting equipment and reflecting device that unit module includes being correspondingly arranged；
The transmitting equipment is used for the visibility information for measuring the terminal guidance unit near modules, and is set to corresponding reflection
Preparation penetrates laser testing signal；
The reflecting device is used for the laser testing signal for receiving the transmitting equipment transmitting, then the laser testing signal is returned
It is incident upon the transmitting equipment；
The transmitting equipment is used to returning the laser testing signal penetrated according to the reflecting device and forms vehicle position information, then by institute
State visibility information and the vehicle position information is transmitted to the kernel control module.
3. the fog-zone induction early warning system according to claim 1 based on laser ranging, it is characterised in that two neighboring end
It is 10m, the terminal guidance unit module of front end and the terminal guidance unit of rearmost end to hold the distance between guidance unit module
The distance between module is 1.5km.
4. the fog-zone induction early warning system according to claim 1 based on laser ranging, it is characterised in that the threshold value L
For 100m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711072833.9A CN107680411A (en) | 2017-11-03 | 2017-11-03 | A kind of fog-zone induction early warning system based on laser ranging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711072833.9A CN107680411A (en) | 2017-11-03 | 2017-11-03 | A kind of fog-zone induction early warning system based on laser ranging |
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| CN107680411A true CN107680411A (en) | 2018-02-09 |
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| CN201711072833.9A Pending CN107680411A (en) | 2017-11-03 | 2017-11-03 | A kind of fog-zone induction early warning system based on laser ranging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872554A (en) * | 2019-03-22 | 2019-06-11 | 山西省交通科学研究院有限公司 | A kind of expressway fog zone promotes the bus or train route early warning system of traffic safety |
| CN110184960A (en) * | 2019-06-13 | 2019-08-30 | 南京信息工程大学 | A kind of self power generation mists alarming device and method |
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| CN205881176U (en) * | 2016-06-20 | 2017-01-11 | 山东交通学院 | Vehicle inducible system under highway greasy weather environment |
| CN107170290A (en) * | 2017-06-23 | 2017-09-15 | 深圳市盛路物联通讯技术有限公司 | A kind of method and device intelligently travelled in haze sky |
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| CN103500519A (en) * | 2013-10-12 | 2014-01-08 | 北京中交华安科技有限公司 | Fog region driving safety intelligent guiding system and method |
| CN205881176U (en) * | 2016-06-20 | 2017-01-11 | 山东交通学院 | Vehicle inducible system under highway greasy weather environment |
| CN107170290A (en) * | 2017-06-23 | 2017-09-15 | 深圳市盛路物联通讯技术有限公司 | A kind of method and device intelligently travelled in haze sky |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872554A (en) * | 2019-03-22 | 2019-06-11 | 山西省交通科学研究院有限公司 | A kind of expressway fog zone promotes the bus or train route early warning system of traffic safety |
| CN110184960A (en) * | 2019-06-13 | 2019-08-30 | 南京信息工程大学 | A kind of self power generation mists alarming device and method |
| CN110184960B (en) * | 2019-06-13 | 2024-02-02 | 南京信息工程大学 | Self-generating lower fog warning device and method |
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Application publication date: 20180209 |