CN108492579A - A kind of detection of bridge load and safety control - Google Patents
A kind of detection of bridge load and safety control Download PDFInfo
- Publication number
- CN108492579A CN108492579A CN201810356622.6A CN201810356622A CN108492579A CN 108492579 A CN108492579 A CN 108492579A CN 201810356622 A CN201810356622 A CN 201810356622A CN 108492579 A CN108492579 A CN 108492579A
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- laser
- information
- solar
- light
- vehicle
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Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
- G01G19/03—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles for weighing during motion
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
Abstract
The present invention relates to a kind of detection of bridge load and safety controls, are more particularly set on expressway, in the one-way road in city expressway, belong to traffic control system optimization field.The present invention is directed to install laser beam emitting device transmitting argon fluorine ultraviolet laser on the bar by road to make it that diffusing reflection occur in road surface, the license plate number of Travel vehicle is shot by the camera in laser beam emitting device homonymy is arranged, irreflexive light is received by the light transmission screen of the laser receiver on laser beam emitting device opposite, by the solar-blind photoresistor at screen rear come detect vehicle by when road surface irreflexive argon fluorine ultraviolet laser intensity variation by so that itself resistance value is changed, the resistance value information of laser receiver is received by controller and then calculates the car weight value of the car body by the section at this time, the gravimetric value and matched license board information are shown by the display screen for being arranged in road ahead；Apparatus structure is simple, and intelligence effectively, to optimization traffic control system has good application value.
Description
Technical field
The present invention relates to a kind of detection of bridge load and safety controls, belong to traffic control system optimization field.
Background technology
《People's Republic of China Road Traffic Safety Law》" motor vehicle loading should meet to be appraised and decided 48th article of regulation
Mounted mass, no over-loading；The length of loading must not violate carriage requirement, must not spill, drift carrier agent ", the 49th
Item provides " motor vehicle is manned to must not exceed the number appraised and decided, passenger traffic motor vehicle must not violate the rules loading ".In recent years, China road
Road haulage vehicle is overweight, and phenomenon is extremely widespread, some serious areas, and almost all of goods stock all exists different degrees of
Overweight transportation behavior, the overweight ratio having is very high, automobile even fill than one train wagon is more, car is also deposited
In overweight phenomenon.Vehicle overload overload transportation induces a large amount of traffic safety accidents, and vehicle overload cargo transport is to the people
Lives and properties bring about great losses, and the infrastructure such as badly damaged highway, bridge result in the pernicious competing of Market of Roadway Transportation
It strives.
And present car body weight detection is mainly carried out in charge station, is carried out by highway charging system,
Highway weight and charge system can be automatically performed the information collections such as axle weight, complete vehicle weight and the identification of vehicle spindle-type, and press
According to weight and charge system requirement, which is stored and is uploaded to toll collection system；In addition echelette vehicle separator and ground sense
Coil can be precisely separating various types of vehicles, and guarantee detection data of weighing is corresponding with vehicle.But station sense weight is only right
The vehicle of traveling on expressway carries out car weight detection, is disposable, can not be carried out to the vehicle that other highway divisions travel
Detection, and real-time tracking can not be carried out, therefore can not effectively solve the problems, such as various caused by vehicle overload.Therefore, it is arranged
Road is damaged and traffic accident is very for reducing for a kind of device that can be detected in real time to car body load-carrying on road
It is necessary to.
Invention content
The present invention provides a kind of detection of bridge load and safety controls, and its object is to research and develop a kind of main utilization
Principle of reflection, work solar-blind photoresistor principle, the design of PC data high in the clouds operation principle are in city quickly and on fastlink
A kind of bridge load-carrying detection and security control device, can detect road vehicle situation in real time, alleviate in communications and transportation
By it is overweight the problem that, ensure the security of the lives and property of people, safeguard infrastructure.
The technical solution adopted by the present invention is that:A kind of detection of bridge load and safety control, it is characterised in that including：
Reflective spot, air pump, the body of rod, laser beam emitting device, camera, laser receiver, controller, display screen, solar panel,
Wind power generation plant, accumulator, laser beam emitting device, camera, laser receiver, display screen are connect with controller, too
It is positive can power generation plate, wind power generation plant and accumulator connection group cost apparatus power supply system, the laser in laser beam emitting device
Transmitter can emit argon fluorine ultraviolet laser light to make road surface that diffusing reflection occur, and diffusing reflection light is by laser receiver surface
Light transmission screen receives, then the solar-blind photoresistor by being arranged inside laser receiver is purple to experience detection section argon fluorine
The light of outer laser changes, and when vehicle passes through section, traveling is shot by the camera in laser beam emitting device homonymy is arranged
The license plate number of vehicle, at this time different vehicle drive into will make road surface generate deformation, cause the light of argon fluorine ultraviolet laser in road
Light Strength Changes when diffusing reflection occur for face and then the self-resistance value of change solar-blind photoresistor, solar-blind photoresistor will
Variation resistance value is transferred to controller and then calculates the car weight value of the car body by the section at this time, which images matching
The license board information of head acquisition is shown on the display screen of road ahead together.
Further, reflective spot is provided on the bridge, the reflective spot is no less than 2, is set above reflective spot
It is equipped with air pump, the dust on reflective spot can be removed in real time, increases sensitivity, laser beam emitting device mainly carries out reflective spot
Irradiation, laser receiver emphasis are received from the reflected laser of reflective spot, and judge to lead to according to the laser intensity received
Cross the load of vehicle.
Further, it is provided with test device and range unit on bridge, after bridge construction is good, is obtained by the method for experiment
Different weight vehicle with different speeds by bridge, and vehicle is apart from checkpoint different distance, road surface
The intensity that the laser of same intensity is reflected with reflective spot, and Relational database is established, the control device and number of the present apparatus
It is communicated according to library, database can be inquired, and judge the load of detected vehicle according to database information.
Further, the laser beam emitting device is arranged on the body of rod being arranged by road, according to site of road, length
And the bodies of rod are arranged every 30 meters of distances in other information, and laser beam emitting device is installed on the body of rod, laser beam emitting device includes two
Part：Laser emitter and angle detector, laser emitter use porous design, and it is ultraviolet sharp to launch a large amount of argon fluorine simultaneously
Light, laser emitter are arranged using rotary connector on laser beam emitting device, and rotary connector is connect with angle detector, swash
The setting of optical transmitting set mainly to the argon fluorine ultraviolet laser that road surface launch wavelength is 193nm and then makes to occur in road surface unrestrained
It reflects, the road area between two bodies of rod of the ranging from every 30 meters of settings of argon fluorine UV light of laser emitter swashs
Optical transmitting set can by can 360 degree rotation rotary connector come by so that the angle of itself Laser emission is changed to road
Emit argon fluorine ultraviolet laser in regional extent, the argon fluorine ultraviolet laser sent out will enter road by diffusing reflection and be provided opposite to
Laser receiver.
Further, the angle detector is realized using three-axis gyroscope design, angle detector and Laser emission
Device is set along on laser detector, angle detector be arranged the lower part of laser emitter and with the rotation of laser emitter
Turn connector connection, the setting of angle detector mainly detects the rotational angle of laser emitter, and angle information is transmitted
The irradiating angle of laser emitter is further detected to controller whether in the range of exposures on road surface, controller can pass through angle
The angle information of detector comes further to regulate and control the rotary electric machine of the rotary connector for the laser emitter being connected with controller
The angle change for controlling laser emitter, makes laser irradiation within the scope of road surface.
Further, the camera is arranged by laser beam emitting device homonymy road, which mainly acquires row
The license plate number information for sailing to the vehicle of road surface, within the scope of 30 meters of road monitoring, under various light conditions, it can stablize
The object of Color License Plate, vehicle body and other movements was clearly photographed, the vehicle license plate number information that camera takes will be transmitted to
Controller records the license plate number information that camera takes by controller.
Further, the laser receiver is arranged on the opposite of laser beam emitting device, the laser receiver packet
Include two parts：Light transmission screen, solar-blind photoresistor, the laser receiver setting can to laser transmitter projects and lead to
The argon fluorine ultraviolet laser of passageway road reflection carries out specific reception processing, and light transmission screen can receive to go out from laser transmitter projects
Argon fluorine ultraviolet laser, argon fluorine ultraviolet laser can pass through the light transmission screen and then by the solar-blind photoresistor of lenticular screen backstage side
It is received.
Further, it is arranged after the solar-blind photoresistor inside laser receiver is mainly disposed to light transmission screen
Side, and lenticular screen backstage side is provided with a large amount of solar-blind photoresistor, which uses Mgxzn1-x0 alloys
Thin-film material is made, with other common photo resistance difference lies in, common photo resistance is small to the range of receiving limitation of light,
Perceptual sensitivity by light is high, and weak for the reception ability of particular light ray, solar-blind photoresistor can only identify Laser emission
The argon fluorine ultraviolet laser that device is sent out, without receiving other sunrays on light transmission screen, without vehicle by when,
The irreflexive argon fluorine ultraviolet laser intensity of road is constant, and solar-blind photoresistor is still original spy for receiving argon fluorine ultraviolet laser
Determine resistance value and does not change, when vehicle passes through road surface, road surface will be such that road surface deforms upon due to the weight of vehicle,
Original argon fluorine ultraviolet laser will be changed due to the light intensity that the deformation of road surface makes light launch, solar blind light
Sensitive resistor is made the resistance value of itself change and variation resistance value is transmitted to controller due to the variation of front and back laser intensity.
Further, the controller is arranged by laser receiver, and laser beam emitting device, camera, laser connect
Receiving apparatus, display screen are connected with controller, and controller includes microcontroller, wireless communication module, PC data high in the clouds, wireless telecommunications
Module is mainly transmitted data, and wireless communication module, using the prior art, the data transmission of the device is mainly
It is realized using wireless communication serial ports, microcontroller is provided with communication serial port, and communication serial port is connect with PC data high in the clouds, by microcontroller
The data receiver and information for carrying out the present apparatus control, and the mediating transmission of data are completed by wireless communication module, by PC data clouds
End carries out data processing and exchanges charge with data information, and then improves the efficiency of data processing, and microcontroller, which receives, comes from angle
The information of angle detection of detector and the license board information of camera receive the resistance value letter of the speciality photo resistance of laser receiver
Breath, and PC data high in the clouds, the license board information of PC data high in the clouds processing transmission, processing are transferred information to by wireless communication module
The angle information of processing is simultaneously transferred to microcontroller to carry out Laser emission by the angle information of transmission further through wireless communication module
The angle of device is regulated and controled, in addition, PC data high in the clouds internal reservoir has a corresponding car weight data of different resistance values, in PC data high in the clouds
The corresponding car weight data of resistance value of portion's storage are the angle informations of the laser transmitter projects laser detected by angle detector
The angle of the data information combined with both solar-blind photoresistors, laser transmitter projects laser is different, and solar blind light is quick
The laser intensity that resistor receives can be different, and the variation range of resistance value also differs, then corresponding car weight data are not yet
Identical, PC data high in the clouds calculates corresponding car weight according to the resistance value information of solar-blind photoresistor at this time, then passes through channel radio
Car weight information and corresponding license board information are transferred to microcontroller, car weight information of the microcontroller by license board information and at this time by news module
Correspondence is transferred on display screen.
Further, the display screen uses LCD display, the display screen to be mounted on the same side of laser beam emitting device
Edge position, the corresponding presentation of information of carry out that can be more conspicuous under the premise of not influencing the normally travel of road vehicle, display
Screen mainly receives the license board information handled from controller and car weight information, and can be simultaneously by corresponding license board information and car weight
Presentation of information is on a display screen.
Further, the power supply system of the present apparatus is made of solar panel, wind power generation plant and accumulator, the sun
Can power generation plate and wind power generation plant be arranged on the body of rod, accumulator is arranged inside the body of rod, by solar panel and
Internal storage battery is converted and are stored in solar energy and wind energy by wind power generation plant, provided by the electric energy of internal storage battery storage
It works to device electric energy.
A kind of car body weight detection device, steps are as follows for operating method：
Step 1：The laser emitter that the laser beam emitting device on the body of rod of road side is arranged is irradiated reflective spot,
The laser receiver on laser beam emitting device opposite is arranged to receive from the reflected laser of reflective spot, and according to receiving
Laser intensity judges the load by vehicle, the test device being arranged on bridge and range unit, detects different vehicle difference weight
The vehicle of amount is with different speeds by bridge, and vehicle is apart from checkpoint different distance, road surface and reflective spot
It is communicated to the intensity that the laser of same intensity is reflected, and with the database established before by experiment, inquires and sentence
The load of disconnected detected vehicle.
Step 2：The laser emitter of laser beam emitting device on the body of rod of road side is set to road surface launching argon
Diffusing reflection will occur in road surface for fluorine ultraviolet laser, argon fluorine ultraviolet laser, and irreflexive laser beam will be by being arranged in road
The laser receiver of road side receives.
Step 3：The angle detection device being arranged on laser beam emitting device will detect the illumination angle of laser emitter in real time
Value range is spent, and angle information is real-time transmitted to the microcontroller of controller, when detecting the angle of irradiation not in range of exposures
When interior, the change of the irradiating angle by controlling laser emitter is made it within the scope of normal illumination by microcontroller.
Step 4：When vehicle passes through road surface, road surface will be such that road surface deforms upon due to different car body weights,
Argon fluorine ultraviolet laser at this time will due to road surface change so that make to be reflected into that argon fluorine on laser receiver is ultraviolet swashs
The intensity of light changes.
Step 5：The license plate number for the vehicle that camera in road surface side takes at this time is set, which is believed
The microcontroller that breath is transferred to controller is received.
Step 6：The light transmission screen of laser receiver surface setting will be received from laser beam emitting device transmitting simultaneously
By road it is irreflexive it is front and back without vehicle by with have vehicle by when argon fluorine ultraviolet laser.
Step 7：By be arranged light transmission screen behind only receive laser beam frequency solar-blind photoresistor will feel
Laser intensity variation when by front and back no vehicle and having vehicle, and then since Strength Changes make itself resistance value change, simultaneously will
The resistance value information of variation is transferred to the microcontroller of controller.
Step 8：The microcontroller of controller receives the resistance of license plate number information and solar-blind photoresistor from camera
It is worth change information, resistance value information is transferred to PC data high in the clouds to microcontroller by serial ports by radio communication, and computer will be according to this
When resistance value information calculate corresponding car weight value, the information data of computer disposal is transferred to monolithic by wireless communication module again
Machine carries out Information Regulating, and the car weight value and license board information are transferred to display screen by microcontroller.
Step 9：Display screen receives license board information and corresponding car weight information from microcontroller, and display screen is by the vehicle
The trade mark and corresponding car weight presentation of information are on a display screen.
Step 10：During the entire process of device works, by solar panel and wind power generation plant by solar energy
Electric energy is converted to wind energy being stored in accumulator, device is powered.
Compared with prior art, the present invention has the following advantages：1, each component part invented has been developed and wide
It is general to use, thus reduce the cost that invention is come into operation；2, invention is removed reflective using the air pump being arranged above reflective spot
Dust on point increases sensitivity, irradiates reflective spot using laser emitter, is received using laser receiver anti-from reflective spot
It is emitted back towards the laser come, and the load by vehicle is judged according to the laser intensity received, utilizes laser transmitter projects argon fluorine
Ultraviolet laser makes ground that diffusing reflection occur, and the rotational angle of laser emitter is detected using angle detector, is obtained using video camera
The pick-up trade mark compares PC data high in the clouds using the change in resistance of solar-blind photoresistor and obtains the weight of vehicle, utilizes display screen
Show the car weight information of the license board information and computer chip of video camera shooting, operation principle is simple, and working effect is notable；3, originally
Invention is applicable among major transportation network, can be detected car weight situation in real time and be made prompt, is examined with traditional charge station
There is the difference of essence again；4, the present invention can be alleviated by overweight caused traffic safety accident, damage infrastructure, cause
The problems such as harmful competition of road transport market, safeguards infrastructure to ensure the security of the lives and property of people.
Description of the drawings
Fig. 1 is the overall structure figure of the present invention.
Fig. 2, Fig. 3, Fig. 4 are the device of the invention part-structure detail view.
Fig. 5 is the data exchange flow chart of the present invention.
Fig. 6 is the system circuit diagram of the present invention.
Respectively marked as 1- electric poles in figure；2- laser beam emitting devices；3- cameras；4- laser receivers；5- control cabinets；6-
Display screen；7- solar panels；8- wind power generation plants.
Specific implementation mode
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the invention will be further described.It should be understood that these descriptions are exemplary, and it is not intended to limit the present invention
Range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this hair is unnecessarily obscured
Bright concept.
Please refer to Fig.1-2, a kind of bridge load detection and safety control, it is characterised in that including：Reflective spot, gas
Pump, the body of rod 1, laser beam emitting device 2, camera 3, laser receiver 4, controller 5, display screen 6, solar panel 7, wind
Power generation device 8, accumulator, laser beam emitting device 2, camera 3, laser receiver 4, display screen 6 connect with controller 5
It connects, solar panel 7, wind power generation plant 8 connect the power supply system of group cost apparatus, laser beam emitting device 2 with accumulator
In laser emitter can emit argon fluorine ultraviolet laser light to make road surface that diffusing reflection occur, diffusing reflection light fills by laser pick-off
The light transmission screen on 4 surfaces is set to receive, then experiences detection by the solar-blind photoresistor inside laser receiver 4 is arranged
The light of section argon fluorine ultraviolet laser changes, when vehicle passes through section, by the camera in 2 homonymy of laser beam emitting device is arranged
3 shoot the license plate number of Travel vehicle, and driving into for different vehicle will make road surface generate deformation at this time, cause argon fluorine ultraviolet laser
Light light Strength Changes and then the self-resistance value of change solar-blind photoresistor, solar blind light when diffusing reflection occurs for road surface
Sensitive resistor is transferred to the car weight value that controller 5 calculates the car body by the section at this time in turn, the weight by resistance value is changed
Value includes on the display screen 6 of road ahead together by the license board information that camera 3 acquires is matched.
Reflective spot is provided on the bridge, the reflective spot is no less than 2, air pump is provided with above reflective spot,
The dust on reflective spot can be removed in real time, increases sensitivity, and laser beam emitting device 2 is mainly irradiated reflective spot, swashs
4 emphasis of optical receiver apparatus is received from the reflected laser of reflective spot, and passes through vehicle according to the laser intensity judgement received
Load.
It is provided with test device and range unit on the bridge, after bridge construction is good, is obtained by the method for experiment
The vehicle of different weight is with different speeds by bridge, and vehicle is apart from checkpoint different distance, road surface and
The intensity that reflective spot reflects the laser of same intensity, and Relational database is established, the control device and data of the present apparatus
Library is communicated, and database can be inquired, and the load of detected vehicle is judged according to database information.
The laser beam emitting device 2 is arranged on the body of rod 1 being arranged by road, according to site of road, length and other
Information installs laser beam emitting device 2 every 30 meters of distance setting bodies of rod 1 on the body of rod 1, and laser beam emitting device 2 includes two
Point：Laser emitter and angle detector, laser emitter use porous design, and it is ultraviolet sharp to launch a large amount of argon fluorine simultaneously
Light, laser emitter are arranged using rotary connector on laser beam emitting device 2, and rotary connector is connect with angle detector,
Laser emitter can in turn make that diffusing reflection occurs in road surface to the argon fluorine ultraviolet laser that road surface launch wavelength is 193nm, swash
Road area between two bodies of rod 1 of the ranging from every 30 meters of settings of the argon fluorine UV light of optical transmitting set, Laser emission
Device can by can 360 degree rotation rotary connector come by so that the angle of itself Laser emission is changed to road area model
Interior transmitting argon fluorine ultraviolet laser is enclosed, the argon fluorine ultraviolet laser sent out will enter the laser that road is provided opposite to by diffusing reflection
Reception device 4.
The angle detector realizes that angle detector is set along with laser emitter using three-axis gyroscope design
On laser detector 2, angle detector be arranged the lower part of laser emitter and with the rotary connector of laser emitter
The setting of connection, angle detector mainly detects the rotational angle of laser emitter, and angle information is transmitted to controller 5
Further whether in the range of exposures on road surface, controller 5 can pass through angle detector to the irradiating angle of detection laser emitter
Angle information controlled further to regulate and control the rotary electric machine of the rotary connector of the laser emitter 2 that is connected with controller 5
The angle change of laser emitter, makes laser irradiation within the scope of road surface.
The camera 3 is arranged by 2 homonymy road of laser beam emitting device, which mainly acquires and drive to
The license plate number information of the vehicle on road surface, within the scope of 30 meters of road monitoring, under various light conditions, it can stablize clearly
The object of Color License Plate, vehicle body and other movements was photographed, the vehicle license plate number information that camera 3 takes will be transmitted to controller
5, it is recorded come the license plate number information taken to camera 3 by controller 5.
The laser receiver 4 is arranged on the opposite of laser beam emitting device 2, which includes two
Point：The setting of light transmission screen, solar-blind photoresistor, the laser receiver 4 is mainly to laser transmitter projects and leads to
The argon fluorine ultraviolet laser of passageway road reflection carries out specific reception processing, and light transmission screen can receive to go out from laser transmitter projects
Argon fluorine ultraviolet laser, argon fluorine ultraviolet laser can pass through the light transmission screen and then by the solar-blind photoresistor of lenticular screen backstage side
It is received.
The rear that solar-blind photoresistor inside laser receiver 4 is mainly disposed to light transmission screen is set, and thoroughly
Screen rear is provided with a large amount of solar-blind photoresistor, which uses Mgxzn1-x0 alloy firm materials
Material is made, and difference lies in common photo resistance is small to the range of receiving limitation of light, by light with other common photo resistance
Perceptual sensitivity it is high, weak for the reception ability of particular light ray, solar-blind photoresistor can only identify that laser beam emitting device 2 is sent out
The argon fluorine ultraviolet laser gone out, without receiving other sunrays on light transmission screen, without vehicle by when, road is unrestrained
The argon fluorine ultraviolet laser intensity of reflection is constant, and solar-blind photoresistor is still original specific resistance value for receiving argon fluorine ultraviolet laser
And do not change, when vehicle passes through road surface, road surface will be such that road surface deforms upon due to the weight of vehicle, original
Argon fluorine ultraviolet laser will be changed due to the light intensity that the deformation of road surface makes light launch, the quick resistance of solar blind light
Device is made the resistance value of itself change and variation resistance value is transmitted to controller 5 due to the variation of front and back laser intensity.
The controller 5 is arranged by laser receiver 4, laser beam emitting device 2, camera 3, laser receiver
4, display screen 6 is connected with controller 5, and controller 5 includes microcontroller, wireless communication module, PC data high in the clouds, wireless telecommunications mould
Block is mainly transmitted data, and wireless communication module, using the prior art, the data transmission of the device is mainly adopted
It is realized with wireless communication serial ports, microcontroller is provided with communication serial port, and communication serial port is connect with PC data high in the clouds end, by microcontroller
The data receiver and information for carrying out the present apparatus control, and the mediating transmission of data are completed by wireless communication module, by PC data clouds
End carries out data processing and exchanges charge with data information, and then improves the efficiency of data processing, and microcontroller, which receives, comes from angle
The license board information of the information of angle detection and camera 3 of detector receives the resistance of the solar-blind photoresistor of laser receiver 4
Value information, and PC data high in the clouds is transferred information to by wireless communication module, PC data high in the clouds handles the license board information of transmission,
It handles the angle information of transmission and the angle information of processing is transferred to microcontroller to carry out laser further through wireless communication module
The angle of transmitter is regulated and controled, in addition, PC data high in the clouds internal reservoir has the corresponding car weight data of different resistance values, PC data clouds
The corresponding car weight data of resistance value of end internal reservoir are the angles of the laser transmitter projects laser detected by angle detector
The angle of the data information that both information and solar-blind photoresistor combine, laser transmitter projects laser is different, and day is blind
The laser intensity that photo-resistor receives can be different, and the variation range of resistance value also differs, then corresponding car weight data
Also it differs, PC data high in the clouds calculates corresponding car weight according to the resistance value information of solar-blind photoresistor at this time, then passes through nothing
Car weight information and corresponding license board information are transferred to microcontroller, car weight of the microcontroller by license board information and at this time by line communication module
Information correspondence is transferred on display screen 6.
The display screen 6 uses LCD display 6, the display screen 6 to be mounted on the ipsilateral penumbra position of laser beam emitting device 2
It sets, the corresponding presentation of information of carry out that can be more conspicuous under the premise of not influencing the normally travel of road vehicle, display screen 6 is led
If receiving the license board information handled from controller 5 and car weight information, and corresponding license board information and car weight can be believed simultaneously
Breath is shown on display screen 6.
The power supply system of the present apparatus is made of solar panel 7, wind power generation plant 8 and accumulator, solar power generation
Plate and wind power generation plant are arranged on the body of rod 1, and accumulator is arranged inside the body of rod 1, passes through solar panel 7 and wind-force
Internal storage battery is converted and are stored in solar energy and wind energy by power generator 8, are supplied to by the electric energy of internal storage battery storage
Device electric energy works.
Fig. 3-4 is please referred to, system circuit diagram of the invention includes：Start-oscillation circuit, reset circuit, 3 operating circuit of video camera,
Angle detector operating circuit, laser emitter operating circuit, wireless communication module operating circuit, 6 operating circuit of display screen；With
The circuit that XTAL1, XTAL2 connect is microcontroller（The model of microcontroller：AT89C51）Seismoelectric road is played necessary to work；Remaining RST
What is connected is microcontroller switch, can pass through the switch by the entire circuit of key control；What is connected with P1.2, P1.3 is angle detector
Three-axis gyroscope L3G4200D can measure the variation of tri- axis angular rate of Objects around A X, Y, Z, to detect laser emitter
The angle of rotation；What is connected with P2.3, P2.4, P2.5, P2.6, P2.7 is wireless communication module NRF24L01 wireless transmission moulds
The setting of block, output power channel selection and agreement can be configured by SPI interfaces realizes the logical of monolithic and high in the clouds backstage
News.The function modules such as built-in frequency synthesizer, power amplifier, crystal oscillator, modulator;LCD1 is display screen 6（1602）,
The display screen 6 utilizes the physical characteristic of liquid crystal, the control by voltage to its display area that can show take pictures information and vehicle
Weight information；What is connected with P1.0 is video camera 3, is taken pictures to license plate number mounted on road ahead, identifies license plate number；With P1.7
What is connected is laser receiving device 4, and D1 is laser emitter, and LDR1 is solar-blind photoresistor 402, and laser emitter sends out sharp
Surface screen 401 is penetrated after light, internal solar-blind photoresistor is made of special material can only identify that laser beam emitting device 2 is sent out
The intensity of the light of the specific frequency gone out, laser makes the resistance value of solar-blind photoresistor change, and is transmitted to control cabinet 5 and calculates vehicle
Weight.
Process description：Laser beam emitting device 2 is installed in road side and license plate number is identified in camera 3, camera 3
It takes pictures and information is transmitted to controller 5, laser emitter and angle detector, laser emitter are housed in laser beam emitting device 2
Reflective spot is irradiated, laser receiver 4 is received from the reflected laser of reflective spot, and strong according to the laser received
Degree judges load by vehicle, and test device and range unit is arranged on bridge, detect vehicle and with pass through experiment before
The database of foundation is communicated, and is inquired and is judged the load for being detected vehicle, and laser transmitter projects argon fluorine is ultraviolet in addition swashs
Light makes road surface that diffusing reflection occur, and the rotational angle of laser emitter, laser receive dress when angle detector detects Laser emission
The light transmission screen for setting 4 surfaces receives argon fluorine ultraviolet laser light, and internal solar-blind photoresistor experiences the change of diffusing reflection light intensity
Change and generate change in resistance and resistance value is transmitted to microcontroller, microcontroller receives the information of angle detection from angle detector to laser
The rotational angle of transmitter is regulated and controled, and receives the resistance value information from speciality solar-blind photoresistor, and pass through wireless telecommunications
Module transmits that information to PC data high in the clouds, and PC data high in the clouds will calculate corresponding car weight according to resistance value information at this time,
The gravimetric value includes on the display screen 6 of road ahead together by the license board information that camera 3 acquires is matched.
It should be understood that the above-mentioned specific implementation mode of the present invention is used only for exemplary illustration or explains the present invention's
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of bridge load detection and safety control, it is characterised in that including：Reflective spot, air pump, the body of rod (1), laser
Emitter（2）, camera (3), laser receiver (4), controller (5), display screen (6), solar panel（7）, wind
Power generation device（8）, accumulator, laser beam emitting device（2）, camera (3), laser receiver (4), display screen (6) with
Controller (5) connects, solar panel（7）, wind power generation plant（8）The power supply system of group cost apparatus is connect with accumulator
System, laser beam emitting device（2）In laser emitter can emit argon fluorine ultraviolet laser light to make road surface that diffusing reflection occur, overflow anti-
Light is penetrated by laser receiver（4）The light transmission screen on surface receives, then by being arranged in laser receiver（4）Internal day
Blind photo-resistor changes to experience the light of detection section argon fluorine ultraviolet laser, when vehicle passes through section, is being swashed by being arranged
Light emitting devices（2）The camera of homonymy（3）The license plate number of Travel vehicle is shot, at this time driving into for different vehicle will make road surface
Deformation is generated, the light of argon fluorine ultraviolet laser is caused light Strength Changes and then to change solar blind light when diffusing reflection occurs for road surface
The self-resistance value of sensitive resistor, solar-blind photoresistor are transferred to controller by resistance value is changed（5）And then it calculates and leads at this time
The car weight value of the car body in the section is crossed, which will match camera（3）Before the license board information of acquisition is shown in road together
The display screen of side（6）On.
2. a kind of bridge load detection described in claim 1 and safety control, it is characterised in that：It is set on the bridge
It is equipped with reflective spot, and the reflective spot is no less than 2, is provided with air pump above reflective spot, can remove on reflective spot in real time
Dust, increase sensitivity, laser beam emitting device（2）Mainly reflective spot is irradiated, laser receiver（4）Emphasis connects
It receives from the reflected laser of reflective spot, and according to the laser intensity received and judges the load by vehicle, be arranged on bridge
Have test device and range unit, bridge construction it is good after, the vehicle of different weight is obtained with different vehicles by the method for experiment
Speed is by bridge, and vehicle is apart from checkpoint different distance, road surface and reflective spot to the laser of same intensity into
The intensity of row reflection, and Relational database is established, the control device of the present apparatus is communicated with database, can inquire data
Library, and according to the load of the detected vehicle of database information judgement.
3. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：The laser
Emitter（2）The body of rod being arranged by road is set（1）On, the body of rod is arranged according to site of road, length and other information
(1), and on the body of rod (1) laser beam emitting device (2), laser beam emitting device are installed（2）It is detected including laser emitter and angle
Device, laser emitter use porous design, can launch a large amount of argon fluorine ultraviolet lasers simultaneously, laser emitter is using rotatable connection
Part is arranged in laser beam emitting device（2）On, rotary connector is connect with angle detector, the setting of laser emitter mainly to
Road surface launch wavelength is the argon fluorine ultraviolet laser of 193nm and then makes that diffusing reflection, the argon fluorine of laser emitter occurs in road surface
UV light ranging from two bodies of rod（1）Between road area, laser emitter can by can 360 degree rotation rotation
Connector emits argon fluorine ultraviolet laser into road area in turn to make the angle of itself Laser emission be changed, and sends out
Argon fluorine ultraviolet laser the laser receiver that road is provided opposite to will be entered by diffusing reflection（4）.
4. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：The angle
Detector realizes that angle detector is set along with laser emitter in laser detector using three-axis gyroscope design（2）
On, angle detector is arranged in the lower part of laser emitter and is connect with the rotary connector of laser emitter, angle detector
Setting mainly detect the rotational angle of laser emitter, and angle information is transmitted to controller（5）Further detection swashs
Whether the irradiating angle of optical transmitting set is in the range of exposures on road surface, controller（5）The angle information of angle detector can be passed through
Further to regulate and control and controller（5）The rotary electric machine of the rotary connector of connected laser emitter controls laser emitter
Angle change, make laser irradiation within the scope of road surface.
5. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：The camera
（3）It is arranged in laser beam emitting device（2）By homonymy road, the camera（3）Mainly acquisition drives to the vehicle of road surface
License plate number information, within the scope of 30 meters of road monitoring, under various light conditions, it, which can stablize, clearly photographed colored vehicle
The object of board, vehicle body and other movements, camera（3）The vehicle license plate number information taken will be transmitted to controller（5）, by controlling
Device processed（5）Come to camera（3）The license plate number information taken is recorded.
6. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：The laser
Reception device（4）It is arranged in laser beam emitting device（2）Opposite, the laser receiver（4）Including two parts：Light transmission screen,
Solar-blind photoresistor, the laser receiver（4）Setting but to laser transmitter projects and reflected by road surface
Argon fluorine ultraviolet laser carry out specific reception processing, light transmission screen can receive that the argon fluorine gone out from laser transmitter projects is ultraviolet to swash
Light, argon fluorine ultraviolet laser can pass through the light transmission screen and then received by the solar-blind photoresistor of lenticular screen backstage side.
7. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：It is arranged in laser
Reception device（4）Internal solar-blind photoresistor is mainly disposed to the rear of light transmission screen, and lenticular screen backstage side is provided with
A large amount of solar-blind photoresistor, the solar-blind photoresistor are made of Mgxzn1-x0 alloy film materials, and other common
Difference lies in common photo resistance is small to the range of receiving limitation of light, and the perceptual sensitivity by light is high, right for photo resistance
Weak in the reception ability of particular light ray, solar-blind photoresistor can only identify laser beam emitting device（2）The argon fluorine sent out is ultraviolet sharp
Light, without receiving other sunrays on light transmission screen, without vehicle by when, the irreflexive argon fluorine of road is ultraviolet
Laser intensity is constant, and solar-blind photoresistor is still original specific resistance value for receiving argon fluorine ultraviolet laser and does not change,
When vehicle passes through road surface, road surface will be such that road surface deforms upon due to the weight of vehicle, original argon fluorine ultraviolet laser
It will be changed due to the light intensity that the deformation of road surface makes light launch, solar-blind photoresistor is swashed due to front and back
The variation of luminous intensity makes the resistance value of itself change and variation resistance value is transmitted to controller（5）.
8. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：The control
Device（5）It is arranged in laser receiver（4）Side, laser beam emitting device（2）, camera（3）, laser receiver（4）, display screen
（6）And controller（5）It is connected, controller（5）Including microcontroller, wireless communication module, PC data high in the clouds, wireless communication module
Data are mainly transmitted, and wireless communication module, using the prior art, the data transmission of the device mainly uses
Serial ports is wirelessly communicated to realize, microcontroller is provided with communication serial port, and communication serial port connect with PC data high in the clouds, carried out by microcontroller
The data receiver of the present apparatus is controlled with information, and the mediating transmission of data is completed by wireless communication module, by PC data high in the clouds into
Row data processing exchanges charge with data information, and then improves the efficiency of data processing, and microcontroller is received to be detected from angle
The information of angle detection and camera of device（3）License board information, receive laser receiver（4）Solar-blind photoresistor resistance
Value information, and PC data high in the clouds is transferred information to by wireless communication module, PC data high in the clouds handles the license board information of transmission,
It handles the angle information of transmission and the angle information of processing is transferred to microcontroller to carry out laser further through wireless communication module
The angle of transmitter is regulated and controled, in addition, PC data high in the clouds internal reservoir has the corresponding car weight data of different resistance values, PC data clouds
The corresponding car weight data of resistance value of end internal reservoir are the angles of the laser transmitter projects laser detected by angle detector
The angle of the data information that both information and solar-blind photoresistor combine, laser transmitter projects laser is different, and day is blind
The laser intensity that photo-resistor receives can be different, and the variation range of resistance value also differs, then corresponding car weight data
Also it differs, PC data high in the clouds calculates corresponding car weight according to the resistance value information of solar-blind photoresistor at this time, then passes through nothing
Car weight information and corresponding license board information are transferred to microcontroller, car weight of the microcontroller by license board information and at this time by line communication module
Information correspondence is transferred to display screen（6）On.
9. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：The display
Screen（6）Using LCD display（6）, the display screen（6）Mounted on laser beam emitting device（2）Ipsilateral penumbra position, do not influencing
The corresponding presentation of information of carry out that can be more conspicuous under the premise of the normally travel of road vehicle, display screen（6）Mainly receive
From controller（5）The license board information and car weight information of processing, and can be simultaneously by corresponding license board information and car weight presentation of information
In display screen（6）On.
10. a kind of bridge load detection according to claim 1 and safety control, it is characterised in that：The present apparatus
Power supply system is by solar panel（7）, wind power generation plant（8）It is formed with accumulator, solar panel and wind-power electricity generation
Device is arranged at the body of rod（1）On, accumulator is arranged in the body of rod（1）Inside passes through solar panel（7）It is filled with wind-power electricity generation
It sets（8）Internal storage battery is converted and are stored in solar energy and wind energy, device is supplied to by the electric energy of internal storage battery storage
Electric energy works.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810356622.6A CN108492579A (en) | 2018-04-19 | 2018-04-19 | A kind of detection of bridge load and safety control |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810356622.6A CN108492579A (en) | 2018-04-19 | 2018-04-19 | A kind of detection of bridge load and safety control |
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| CN201810356622.6A Pending CN108492579A (en) | 2018-04-19 | 2018-04-19 | A kind of detection of bridge load and safety control |
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Effective date of registration: 20191216 Address after: 330000 Taihao Technology Co., Ltd., Taihao information building, No. 590, Gaoxin Avenue, national high tech Development Zone, Nanchang City, Jiangxi Province Applicant after: Xing Xiaoting Address before: 650000 No. B701, Block B, 7th Floor, Phase I, Panlong District and Xinhua Garden, Kunming City, Yunnan Province Applicant before: Kunming Chuang Pei Intellectual Property Service Co., Ltd. |
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Application publication date: 20180904 |