CN108592801A - Vehicle overload detection device and detection method - Google Patents
Vehicle overload detection device and detection method Download PDFInfo
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- CN108592801A CN108592801A CN201810434568.2A CN201810434568A CN108592801A CN 108592801 A CN108592801 A CN 108592801A CN 201810434568 A CN201810434568 A CN 201810434568A CN 108592801 A CN108592801 A CN 108592801A
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- vehicle
- laser radar
- radar sensing
- control system
- sensing device
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/026—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring distance between sensor and object
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B11/043—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring length
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B11/046—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0608—Height gauges
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
- G01B11/0691—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material of objects while moving
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/003—Measuring of motor parts
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Abstract
The present invention provides a kind of vehicle overload detection device, described device includes communication system, power-supply system, vehicle overall dimension measuring system, vehicle weight detecting system, control system, electronic display screen, can dynamic detection vehicle overload information, entire measurement process be not necessarily to manual intervention, including：Laser radar sensing device, protective cover are not necessarily to additional light source, are not influenced by ambient light, IP67 degree of protection, be internally integrated heater and fog calibration function, can use in bad weather conditions.Its sweep length is more than lane width, and laser scanner is in the scanning angle of setting, the round-the-clock transmitting laser pulse wave of resolution ratio at an angle, to the scanning of one 2 dimensional region of formation.
Description
Technical field
The present invention relates to field of vehicle detection, in particular to a kind of vehicle overload detection device and method.
Background technology
With the fast development of transportation, lorry occupies half of the country in transportational process, and car owner is in order to pursue more
High interests, increase volume of goods transported overload transportation phenomenon is still very universal after repacking, is brought greatly to Road Transportation
Security risk.The national standard of newest issuing and implementation《Automobile, trailer and truck combination contour dimension, axle load and quality limit value》
(standard No.:GB 1589-2016), mandatory provisions have all been done to the threshold limit value of various vehicle overall dimensions.In order to which traffic is transported
Defeated safety, national multi-section laws and regulations forbid refitted vehicles motor vehicle, forbid to drive road traveling on the motor vehicle of refitted vehicles.Cause
This, the detection of vehicle overall dimension is one of important indicator of vehicle safe driving.
The measurement method of traditional vehicle overall dimension is mainly stopped and is measured, vehicle parking in defined measurement station,
Station is equipped with infrared light curtain and correlation photoelectric sensor measures the length of vehicle, recycles the laser range finder at top to vehicle
Into line scan, obtain the height and width of vehicle, the advantages of this method be to obtain the length and width information of vehicle compared with
To be accurate, disadvantage is to expend the time and the height of car of measurement is inaccurate.Modern measuring technique is significantly improved, and uses
The mode of " not parking " measures, and reduces the working strength of monitoring station staff, increases detection efficiency, and main method is
Multiple optoelectronic switches are installed in station, control laser emitter and laser pickoff, the optoelectronic switch then triggered according to vehicle
Quantity and apart from calculate vehicle contour dimension, this method advantage be vehicle need not stop i.e. can measure, disadvantage is institute
Light requirement electric controller quantity is more, and the quantity of photoelectric controller determines the precision of measurement, is suitable for indoor measurement.
Invention content
Present invention aims at providing a kind of vehicle overload detection device and method, can dynamic detection vehicle overload information,
Entire measurement process is not necessarily to manual intervention, including：Laser radar sensor, protective cover, axis group formula car weight and vehicle detecting system.
To reach above-mentioned purpose, the present invention proposes a kind of vehicle overload detection device, and described device includes communication system, electricity
Source system, vehicle overall dimension measuring system, vehicle weight detecting system, control system, electronic display screen, wherein：
The power-supply system and communication system, vehicle overall dimension measuring system, vehicle weight detecting system and control system
System is connected, and is used to provide electric energy for vehicle overload detection device；
The communication system is connect with vehicle overall dimension measuring system, vehicle weight detecting system and control system,
For realizing the communication of vehicle overall dimension measuring system, vehicle weight detecting system and control system；
The electronic display screen is for showing that the vehicle overall dimension and vehicle weight, electronic display screen are set to
The front of vehicle weight detection device；
The control system includes the first control system and the second control system, wherein first control system and vehicle
Contour dimension measuring system is connected, and second control system is connected with vehicle weight detecting system；
The vehicle overall dimension measuring system includes holder, is set to the laser radar sensing device of frame upper, is logical
Device is interrogated, wherein：
Holder is located above road, and the affiliated plane of the holder, perpendicular to road surface, the holder is used to support laser
Radar sensing device；
The laser radar sensing device is set to the top of holder, and the laser radar sensing device both faces towards road surface,
The direction of the laser radar sensing device is on the contrary, the scanning plane of laser radar sensing device with respect to the angle on road surface is α；
The laser radar sensing device is for measuring vehicle's contour size, the laser radar sensing device and control system
System connection；
Laser radar sensor received signal handles to obtain vehicle's contour dimension data is transferred to by communication system
Vehicle's contour dimension data is transferred to electronic display screen by one control system, the first control system by communication device；
Vehicle weight detecting system includes multiple weight sensors, wherein the weight sensor is for incuding the vehicle
Weight signal, and the weight signal is sent to the second control system by communication system.
Further, aforementioned weight sensor is set under weighing unit, wherein the weighing unit is two, the weight passes
Sensor is 8, and is located under two weighing units.
Further, aforementioned weight sensor further includes having car lug, infrared inductor, tyre tester, ground induction coil,
Wherein：
The car lug is set in front of vehicle forward direction, and the ground induction coil is located at the rear of car lug, the wheel
Tire identifier is located at the outermost of vehicle weight sensors, is sent out for detecting tire data information, and by the tire data of identification
Give second controller, the signal statistics vehicle tyre quantity that second controller is sent according to tire recognizer；
Infrared inductor is connect with second controller, and the infrared inductor is divided into infrared emission end and infrared receiver end,
The wherein described infrared emission end and infrared receiver end are relatively arranged on vehicle both sides, and the infrared emission end is for sending infrared letter
Number, infrared receiver end is used to receive the signal at infrared emission end；
When hot outer receiving terminal does not receive the infrared signal of infrared emission end transmission, then judge on this weighing unit to be one
Trolley.
The infrared inductor is between car lug and tire recognizer；
The weighing unit is between the infrared inductor and car lug；
For the ground induction coil for incuding vehicle by signal and passing through time interval, the ground induction coil sends signal
To second controller, the second controller is used to give car speed and vehicle by letter according to the signal of the ground induction coil
Breath.
Further, aforementioned laser radar sensing device includes laser emission element, receiving channel, moment discriminating unit,
Time-interval-unit, wherein：
The laser emission element is for sending laser；The receiving channel is sent for receiving the laser emission element
Laser；The receiving channel is connected with moment discriminating unit；
Moment discriminating unit one time of transmission starts to give quarter time an a measuring unit with pick-off signal, wherein described
Moment discriminating unit is connected with time-interval-unit；
The time-interval-unit is used for time of measuring.
Further, aforementioned brackets include the column and crossbeam being oppositely arranged, wherein the laser radar sensor is arranged
In on crossbeam.
Further, aforementioned laser radar sensing device is two, two laser radar sensing device settings of two of which
In the top of holder, and two laser radar sensing devices both face towards road surface, the court of two laser radar sensing devices
To on the contrary, and the scanning planes of two laser radar sensing devices with respect to the angle on road surface is α, two laser radars sensings
Angle between the scanning plane of device is β.
Further, aforementioned angular β meets following condition：
The wherein described d is projected for the scanning plane of two laser radar sensing devices between road surface
Distance, the h are vertical range of the laser radar sensing device with respect to road surface.
Further, aforementioned angular α meets following condition：
Further, aforementioned vehicle contour dimension measuring system drives into direction than vehicle weight detecting system close to vehicle.
Another object of the present invention is to provide a kind of vehicle overload detection methods, and described method includes following steps：Vehicle
Vehicle overall dimension measuring system is driven into, laser radar sensing device detects the contour dimension data of vehicle, and it is passed through
Communication system is sent to control system, and control system shows the data of detection by display screen；Vehicle is examined by vehicle weight
The weight is transferred to control system by examining system, the interior weight sensor being arranged of the weight detection system.
The device and method that the present invention provides a kind of detection of vehicle overload, can dynamic detection vehicle overload information, it is entire to survey
Amount process is not necessarily to manual intervention, including：Laser radar sensor, protective cover are not necessarily to additional light source, are not influenced by ambient light,
IP67 degree of protection is internally integrated heater and fog calibration function, can use in bad weather conditions.Its sweep length is big
In lane width, laser scanner is in the scanning angle of setting, the round-the-clock transmitting laser of resolution ratio at an angle
Impulse wave, to form the scanning of a 2 dimensional region.
For tool there are two weighing unit, length is larger, it can be achieved that three shaft couplings are weighed simultaneously, effectively prevents from walking when vehicle weighing
S-shaped jumps scale cheating, and has side guard against pressure, and flanging is prevented when vehicle weighing to weigh cheating.Weighing platform surface steel sheet is using flower
Line steel, avoids vehicle from skidding in rain and snow.
Outer red vehicle separator protective cover can effectively avoid dust particles and enter infrared vehicle separator, ensureing equipment just
It is often used, is additionally convenient for staff's daily cleaning, avoids damage to fuselage.
A kind of vehicle overload detection device and method, high degree of automation of the present invention can be full in the case of not parking
Weather automatically detects vehicle overload information, and manual intervention is not necessarily in measurement process；Fast response time integrates multi-thread data
Processing Algorithm in vehicle by exporting measurement result in 10-50s, and is shown in electrical screen；High certainty of measurement, car weight dynamic
Measurement accuracy is 1 grade, and vehicle overall dimension, which measures, is less than 1%；Functions expanding is strong, can increase function according to actual items；It answers
It is relatively broad with place, other measuring devices can be coordinated to be used together, and outdoor work environment requirement can be adapted to completely.
It should be appreciated that as long as aforementioned concepts and all combinations additionally conceived that describe in greater detail below are at this
Sample design it is not conflicting in the case of can be viewed as the disclosure subject matter a part.In addition, required guarantor
All combinations of the theme of shield are considered as a part for the subject matter of the disclosure.
Can be more fully appreciated from the following description in conjunction with attached drawing present invention teach that foregoing and other aspect, reality
Apply example and feature.The feature and/or advantageous effect of other additional aspects such as illustrative embodiments of the present invention will be below
Description in it is obvious, or by according to present invention teach that specific implementation mode practice in learn.
Description of the drawings
Attached drawing is not intended to drawn to scale.In the accompanying drawings, identical or approximately uniform group each of is shown in each figure
It can be indicated by the same numeral at part.For clarity, in each figure, not each component part is labeled.
Now, by example and the embodiments of various aspects of the invention will be described in reference to the drawings, wherein：
Fig. 1 is the structural schematic diagram of the vehicle overload detection device of the present invention.
Fig. 2 is the setting angle schematic diagram of the laser radar sensing device of the present invention.
Fig. 3 is the structural scheme of mechanism one of protective cover.
Fig. 4 is the structural scheme of mechanism two of protective cover.
Fig. 5 is vehicle overload detection device scheme of installation.
Specific implementation mode
In order to know more about the technology contents of the present invention, spy lifts specific embodiment and institute's accompanying drawings is coordinated to be described as follows.
Various aspects with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations.
It is not intended to cover all aspects of the invention for embodiment of the disclosure.It should be appreciated that a variety of designs and reality presented hereinbefore
Those of apply example, and describe in more detail below design and embodiment can in many ways in any one come it is real
It applies, this is because design disclosed in this invention and embodiment are not limited to any embodiment.In addition, disclosed by the invention one
A little aspects can be used alone, or otherwise any appropriately combined be used with disclosed by the invention.
A kind of vehicle overload detection device, described device include communication system, power-supply system, vehicle overall dimension measurement system
System 12, vehicle weight detecting system, control system, electronic display screen, wherein：
The power-supply system and communication system, vehicle overall dimension measuring system 12, vehicle weight detecting system and control
System is connected, and is used to provide electric energy for vehicle overload detection device.
The wherein described supply unit is solar powered unit and mains-supplied unit, the solar powered unit and city
Electric quantity detection apparatus is provided between electric power supply unit, the electric quantity detection apparatus is used for low in the electricity of solar powered unit
When 10%, control city's electric unit provides electric energy；When the electricity of solar powered unit is higher than 10%, solar energy is preferentially used
Power supply unit provides electric energy, further improves the utilization rate of electric energy.
The communication system is connect with vehicle overall dimension measuring system 12, vehicle weight detecting system and control system,
Its for realizing vehicle overall dimension measuring system 12, vehicle weight detecting system and control system communication；
The electronic display screen is for showing that the vehicle overall dimension and vehicle weight, electronic display screen are set to
The front of vehicle weight detection device.
The control system includes the first control system and the second control system, wherein first control system and vehicle
Contour dimension measuring system 12 is connected, and second control system is connected with vehicle weight detecting system.
The vehicle overall dimension measuring system 12 include holder, be set to frame upper laser radar sensing device,
Communication device, wherein：Holder is located above road, and the affiliated plane of the holder, perpendicular to road surface, the holder is for branch
Support laser radar sensing device.
The laser radar sensing device is set to the top of holder, and the laser radar sensing device both faces towards road surface,
The direction of the laser radar sensing device is on the contrary, the scanning plane of laser radar sensing device with respect to the angle on road surface is α.
The laser radar sensing device is for measuring vehicle's contour size, the laser radar sensing device and control system
System connection.
Laser radar sensor received signal handles to obtain vehicle's contour dimension data is transferred to by communication system
Vehicle's contour dimension data is transferred to electronic display screen by one control system, the first control system by communication device.
Holder is located above road, and the affiliated plane of the holder, perpendicular to road surface, the holder is used to support laser
Radar sensing device.Holder includes the column and crossbeam being oppositely arranged, wherein the laser radar sensor is set on crossbeam.
Two laser radar sensing devices are set to the top of holder, and two equal faces of laser radar sensing device
To road surface, the directions of two laser radar sensing devices on the contrary, and two laser radar sensing devices scanning plane
The angle on opposite road surface is α, and the angle between the scanning plane of two laser radar sensing devices is β.
Further, aforementioned angular β meets following condition：
The wherein described d is projected for the scanning plane of two laser radar sensing devices between road surface
Distance, the h are vertical range of the laser radar sensing device with respect to road surface.
Further, aforementioned angular α meets following condition：
In order to obtain higher accuracy of detection, the angle beta between two laser radar sensors needs
It by testing repeatedly, is compared with static measurement, finds most rational angle.Distance d of two scanning planes between road surface should
The precision measured in view of the reflectivity of surface of vehicle, laser radar sensor maximum measurement distance and Vehicle length.Laser
Vertical range h of the radar sensor transmitter apart from road surface should be higher than standard automobile, trailer and truck combination contour dimension, axis
Lotus and quality limit value》(standard No.:GB 1589-2016) in vehicle maximum.
The outdoor shield, it is therefore intended that protection laser radar sensor fuselage avoids because inclement weather conditions are produced
Raw interference.Referring to FIG. 3, the protective cover includes flabellum 1, cylinder 2 and fixing device 3, the cylinder 2 is fixed on 1 bottom of flabellum,
The laser radar sensing device is set in cylinder 2, and the cylinder 2 is fixed on by fixing device 3 on holder.1 part of flabellum
Including intermediate groove, arc angle is more than 180 degree, avoids rainwater accumulation or water droplet reflux infiltration fuselage；2 part of cylinder
The internal laser radar sensor fuselage of fitting completely avoids influencing to use because collision or vibration cause fuselage positions to loosen.
In the present embodiment, in order to provide better protection effect to laser radar sensor fuselage, outdoor shield
Fan blade angles setting is more than 180 degree, and using the material of higher-strength waterproof lightning protection grade, fuselage is completely covered, arc-shaped big
Make raindrop that can be gathered on a little along flabellum edge in 180 °, is conducive to raindrop drippage.
Further, aforementioned vehicle contour dimension measuring system 12 than vehicle weight detecting system close to the vehicle side of driving into
To.
The laser radar sensing device is for measuring vehicle's contour size, the laser radar sensing device and processor
Device connects.
Processor device is described for handling laser radar sensor received signal to obtain vehicle's contour dimension data
Vehicle's contour dimension data is transferred to electronic display screen by communication device.
Laser radar sensing device includes laser emission element, receiving channel, moment discriminating unit, time interval measurement list
Member, wherein：The laser emission element is for sending laser；The laser emission element is set on holder.Described receive is led to
Road is used to receive the laser that the laser emission element is sent；The receiving channel is located at road surface.The receiving channel and moment
Discriminating unit is connected；Moment discriminating unit one time of transmission starts to give quarter time an a measuring unit with pick-off signal,
The wherein described moment discriminating unit is connected with time-interval-unit；The time-interval-unit is for when measuring
Between.
Two laser radar sensing devices are first laser radar sensing device and second laser radar sensing device, wherein
The direction of the first laser radar sensing device is consistent with vehicle forward direction, the direction of second laser radar sensing device with
Vehicle forward direction is opposite.
The first laser radar sensing device includes first laser transmitter unit, the first receiving channel, the first moment
Discriminating unit, first time interval measuring unit, wherein the first laser transmitter unit is set on holder, the first reception is logical
Road is set to the road surface opposite with first laser transmitter unit, wherein the first moment discriminating unit and the first receiving channel phase
Connection, the first time interval measuring unit are connected with the first moment discriminating unit.
Second laser radar sensing device includes second laser transmitter unit, the second receiving channel, the discriminating of the second moment
Unit, the second time-interval-unit, wherein the second laser transmitter unit is set on holder, the second receiving channel is set
It is placed in the road surface opposite with second laser transmitter unit, wherein the second moment discriminating unit is connected with the second receiving channel
It connects, second time-interval-unit is connected with the second moment discriminating unit.
When vehicle enters in the measurement range of laser radar sensing device, wherein the second laser transmitter unit emits
Laser can not by the second receiving channel all receive, at this time the second receiving channel to the second moment discriminating unit transmission starts letter
Number, the second time-interval-unit starts detection time, when the second time receiving channel receives second laser transmitting
When the laser of unit transmitting, the second moment discriminating unit sends stop signal, and second time-interval-unit stops inspection
It surveys.Vehicle continues to drive into, when the laser of first laser transmitter unit transmitting can not all be received by the first receiving channel, first
Receiving channel sends commencing signal to the first moment discriminating unit, and first time interval measuring unit is started to work, and is connect when first
When receiving whole laser signals that channel reception is sent to the first laser transmitter unit, the first moment discriminating unit is sent
Stop signal, first time interval measuring unit are stopped.
When the first moment discriminating unit and the second moment discriminating unit send commencing signal, described and first laser radar
Sensing device and second laser radar sensing device send working signal by communication device to processor device, wherein the place
It manages device device to establish with three-dimensional cartesian coordinate system, wherein the position of the laser radar sensing device is origin, is parallel to crossbeam
Direction is X-axis, and vehicle heading is Y-axis, is Z axis perpendicular to road surface direction, by first laser radar sensing device and second
The data that laser radar sensing device measures are put into three-dimensional cartesian coordinate system, to obtain the length, width and height information of vehicle.
When vehicle is by scanning plane, laser radar sensor is started to work, and from vehicle head to tail portion sequential scan, works as vehicle
When by first scanning plane, tail part information does not scan, can obtain headstock to the detailed range points of roof；Work as vehicle
When by second scanning plane, headstock information does not scan, can obtain the tailstock to the detailed range points of roof.
In three-dimensional cartesian coordinate system, two shared points are the left and right boundary point of vehicle, the as width of vehicle in X-axis
Spend information；Shared point is the coboundary point of vehicle, the as elevation information of vehicle in Z axis.
Vehicle can be measured by two scanning plane time intervals by laser radar sensor, and two scanning planes road surface away from
From it is known that can obtain vehicle passes through the speed with a distance from this.After vehicle is measured by the time of first scanning plane completely,
The length information of vehicle can be obtained.
Vehicle weight detecting system includes multiple weight sensors, wherein the weight sensor is for incuding the vehicle
Weight signal, and the weight signal is sent to the second control system by communication system.
Further, aforementioned weight sensor is set under weighing unit 8, wherein the weighing unit 8 is two, the weight
Sensor is 8, and is located under two weighing units 8.
Further, aforementioned weight sensor further includes having car lug 9, infrared inductor, tyre tester, ground induction coil
7, wherein：
The car lug 9 is set in front of vehicle forward direction, and the ground induction coil 7 is located at the rear of car lug 9, described
Tire recognizer 10 is located at the outermost of vehicle weight sensors, for detecting tire data information, and by the tire number of identification
According to being sent to second controller, the signal statistics vehicle tyre quantity that second controller is sent according to tire recognizer 10.
Infrared inductor is connect with second controller, and the infrared inductor is divided into infrared emission end 5 and infrared receiver end
6, wherein the infrared emission end 5 and infrared receiver end 6 are relatively arranged on vehicle both sides, the infrared emission end 5 is for sending
Infrared signal, infrared receiver end 6 are used to receive the signal at infrared emission end 5.
When hot outer receiving terminal 6 does not receive the infrared signal of the transmission of infrared emission end 5, then judge on this weighing unit 8
For a trolley.
The infrared inductor is between car lug 9 and tire recognizer 10；The weighing unit 8 is located at the infrared sense
It answers between device and car lug 9；The ground induction coil 7 feels line describedly for incuding vehicle by signal and passing through time interval
Circle 7 sends a signal to second controller, and the second controller is used to give vehicle speed according to the signal of the ground induction coil 7
Degree and vehicle pass through information.
It is that weighing unit 8 is interior without vehicle in original state, car lug 9 is in interception state, and vehicle is waited for drive into weighing unit 8.
S1, vehicle at the uniform velocity drive into weighing unit 8.
Vehicle at the uniform velocity drives into weighing unit 8, and the vehicle traveling that remains a constant speed is when wheel enters weighing unit 8 during this period
System, which starts and enters, weighs the stage.
S2, weight sensor, tire recognizer 10, infrared vehicle separator work at the same time
When vehicle, which enters, weighs state, weight sensor measures axis weight, spindle-type and the speed of vehicle, tire recognizer
10 judge tire quantity and wheel-type (single-wheel or two-wheel) according to force part and stress size, when vehicle tail pass through it is red
When outer vehicle separator, infrared vehicle separator sends out ending signal.
S3, weighing information
After above-mentioned steps are completed, each test cell uploads measurement data and summarizes, and obtains weighing information,
S4, vehicle are driven out to weighing unit 8
After system completion is weighed, car lug 9 lifts, and vehicle is let pass, and all devices reset, and enters initial shape
State waits for next vehicle.
Within the system, weight sensor is core component, and operation principle is：Weight sensor below weighing unit 8
By gravity so that the electric bridge disequilibrium inside weight sensor generates electric signal, inside weighing controller
AD converter is converted into digital signal, then is converted digital signals into as gravimetric value by software.
In the present embodiment, reliable and stable high-precision stainless steel pillar weight sensor is selected, there is preferable unbalance loading, temperature
Degree drift, creep and the features such as non-linear, are made of weighing unit 8A and weighing unit 8B respectively, use 8 pillar weight to sense altogether
Device is embedded in trigger in weighing unit 8, and when vehicle passes through, the second control system acquires the weighing-up wave, then calculates vehicle
The number of axle, spindle-type, axis weight and vehicle speed.Vehicle skids in rain and snow in order to prevent, and 8 surface of weighing unit is using full flower
Line steel plate；In order to long-time intensive work, and vehicle flanging is avoided to weigh, anti-flange fixing installation is installed additional in weighing platform both sides.
If drive into weighing unit 8 is trailer, vehicle separator judges whether to belong to whether being blocked according to infrared inductor
In the same vehicle.It weighs when vehicle completion and is driven out to weighing unit 8, ground induction coil 7 assists vehicle ending.In the present embodiment, red
Outer inductor has LED light, can display working condition and malfunction, enclosure material be aluminum alloy material, Surface Oxygen
The diversified forms such as change processing；With reflecting marking, it can prevent night from colliding.
Another object of the present invention is to provide a kind of vehicle overload detection methods, and described method includes following steps：Vehicle
Vehicle overall dimension measuring system 12 is driven into, laser radar sensing device detects the contour dimension data of vehicle, and it is led to
It crosses communication system and is sent to control system, control system shows the data of detection by display screen；Vehicle passes through vehicle weight
The weight is transferred to control system by detecting system, the interior weight sensor being arranged of the weight detection system.
The vehicle overload detection device of the present invention, high degree of automation, in the case of not parking, all automatic measurement vehicle
Gabarit length equidimension is not necessarily to manual intervention in measurement process；Fast response time integrates multi-thread data Processing Algorithm,
In vehicle by exporting measurement result in 10-50s, and it is shown in electrical screen；Functions expanding is stronger, can be according to actual items
Increase function；Application places are relatively broad, other measuring devices can be coordinated to be used together.
Although the present invention has been disclosed as a preferred embodiment, however, it is not to limit the invention.Skill belonging to the present invention
Has usually intellectual in art field, without departing from the spirit and scope of the present invention, when can be used for a variety of modifications and variations.Cause
This, the scope of protection of the present invention is defined by those of the claims.
Claims (10)
1. a kind of vehicle overload detection device, which is characterized in that described device includes communication system, power-supply system, vehicle gabarit
Size Measuring System, vehicle weight detecting system, control system, electronic display screen, wherein：
The power-supply system and communication system, vehicle overall dimension measuring system, vehicle weight detecting system and control system, electricity
Son shows that screen is connected, and is used to provide electric energy for vehicle overload detection device；
The communication system is connect with vehicle overall dimension measuring system, vehicle weight detecting system and control system, is used for
Realize the communication of vehicle overall dimension measuring system, vehicle weight detecting system and control system；
The electronic display screen is for showing that the vehicle overall dimension and vehicle weight, electronic display screen are set to vehicle
The front of Weight detecting device；
The control system includes the first control system and the second control system, wherein first control system and vehicle gabarit
Size Measuring System is connected, and second control system is connected with vehicle weight detecting system；
The vehicle overall dimension measuring system includes holder, is set to the laser radar sensing device of frame upper, communication dress
It sets, wherein：
Holder is located above road, and the affiliated plane of the holder, perpendicular to road surface, the holder is used to support laser radar
Sensing device；
The laser radar sensing device is set to the top of holder, and the laser radar sensing device both faces towards road surface, described
The direction of laser radar sensing device is on the contrary, the scanning plane of laser radar sensing device with respect to the angle on road surface is α；
The laser radar sensing device connects for measuring vehicle's contour size, the laser radar sensing device with control system
It connects；
Laser radar sensor received signal handles to obtain vehicle's contour dimension data is transferred to the first control by communication system
Vehicle's contour dimension data is transferred to electronic display screen by system processed, the first control system by communication device；
Vehicle weight detecting system includes multiple weight sensors, wherein the weight sensor is used to incude the weight of the vehicle
Signal is measured, and the weight signal is sent to the second control system by communication system.
2. vehicle overload detection device according to claim 1, which is characterized in that the weight sensor, which is set to, weighs
Under platform, wherein the weighing unit is two, the weight sensor is 8, and is located under two weighing units.
3. vehicle overload detection device according to claim 2, which is characterized in that the weight sensor further includes having gear
Vehicle device, infrared inductor, tyre tester, ground induction coil, wherein：
The car lug is set in front of vehicle forward direction, and the ground induction coil is located at the rear of car lug, and the tire is known
Other device is located at the outermost of vehicle weight sensors, is sent to for detecting tire data information, and by the tire data of identification
Second controller, the signal statistics vehicle tyre quantity that second controller is sent according to tire recognizer；
Infrared inductor is connect with second controller, and the infrared inductor is divided into infrared emission end and infrared receiver end, wherein
The infrared emission end and infrared receiver end are relatively arranged on vehicle both sides, and the infrared emission end is used to send infrared signal,
Infrared receiver end is used to receive the signal at infrared emission end；
When hot outer receiving terminal does not receive the infrared signal of infrared emission end transmission, then judge to be a trolley on this weighing unit
；
The infrared inductor is between car lug and tire recognizer；
The weighing unit is between the infrared inductor and car lug；
For the ground induction coil for incuding vehicle by signal and passing through time interval, the ground induction coil sends a signal to the
Two controllers, the second controller is used to give car speed according to the signal of the ground induction coil and vehicle passes through information.
4. vehicle overload detection device according to claim 1, which is characterized in that the laser radar sensing device includes
Laser emission element, receiving channel, moment discriminating unit, time-interval-unit, wherein：
The laser emission element is for sending laser；The receiving channel is used to receive swashing for the laser emission element transmission
Light；The receiving channel is connected with moment discriminating unit；
Moment discriminating unit one time of transmission starts to give quarter time an a measuring unit with pick-off signal, wherein the moment
Discriminating unit is connected with time-interval-unit；
The time-interval-unit is used for time of measuring.
5. vehicle overload detection device according to claim 4, which is characterized in that the holder include be oppositely arranged it is vertical
Column and crossbeam, wherein the laser radar sensor is set on crossbeam.
6. vehicle overload detection device according to claim 5, which is characterized in that the laser radar sensing device is two
A, two laser radar sensing devices of two of which are set to the top of holder, and two equal faces of laser radar sensing device
To road surface, the directions of two laser radar sensing devices on the contrary, and two laser radar sensing devices scanning plane
The angle on opposite road surface is α, and the angle between the scanning plane of two laser radar sensing devices is β.
7. vehicle overload detection device according to claim 6, which is characterized in that the angle beta meets following condition：
The wherein described d be the scanning plane of two laser radar sensing devices project between road surface away from
From the h is vertical range of the laser radar sensing device with respect to road surface.
8. vehicle overload detection device according to claim 8, which is characterized in that the angle [alpha] meets following condition：
9. vehicle overload detection device according to claim 1, which is characterized in that the vehicle overall dimension measuring system
Than vehicle weight detecting system direction is driven into close to vehicle.
10. a kind of vehicle overload detection method, which is characterized in that described method includes following steps：
Vehicle drives into vehicle overall dimension measuring system, and laser radar sensing device detects the contour dimension data of vehicle, and will
Control system is sent to by communication system, control system shows the data of detection by display screen；
Vehicle is transmitted the weight by vehicle weight detecting system, the interior weight sensor being arranged of the weight detection system
To control system.
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| CN201810434568.2A CN108592801A (en) | 2018-05-09 | 2018-05-09 | Vehicle overload detection device and detection method |
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| CN201810434568.2A CN108592801A (en) | 2018-05-09 | 2018-05-09 | Vehicle overload detection device and detection method |
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