CN106846821A - A kind of full model recognition system - Google Patents
A kind of full model recognition system Download PDFInfo
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- CN106846821A CN106846821A CN201710103268.1A CN201710103268A CN106846821A CN 106846821 A CN106846821 A CN 106846821A CN 201710103268 A CN201710103268 A CN 201710103268A CN 106846821 A CN106846821 A CN 106846821A
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Classifications
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The present invention relates to vehicle identification system technical field, specifically related to a kind of full model recognition system, including the single two-wheel recognition subsystem for gathering and exporting vehicle list two-wheel information, and for measuring vehicle wheel horizontal friction force direction and principal and subordinate's motor car wheel recognition subsystem of size, for being arranged in road surface after two subsystems connection, when vehicle is passed through full model recognition system, single two-wheel recognition subsystem and principal and subordinate's motor car wheel recognition subsystem are passed sequentially through.The system combines single two-wheel identifying system and principal and subordinate's motor car wheel identifying system, when vehicle is passed through full model recognition system, single two-wheel identification and drive shaft identification can simultaneously be carried out, solving the problems, such as cannot be while recognizes vehicle list two-wheel and drive shaft type present in prior art, and judge that single shaft drives or multiaxis drives, make that recognition efficiency is high, high precision.
Description
Technical field
The present invention relates to vehicle identification system technical field, more particularly to a kind of full model recognition system.
Background technology
Ministry of Communications promulgates in September, 2016《Department of Transportation make 2016 No. 62》File, in chapter 1 general provisions
Article 3 is specified that wherein this Section 8 regulation cargo transport vehicle belongs to overload transport vehicle to overload transport vehicle
Situation：Six axles and six axle above truck combinations, more than 49000 kilograms, wherein tractor drive shaft is single to its car goods gross mass
Axle, its car goods gross mass is more than 46000 kilograms.And the identification of the limit standard to this regulation, has done claimed below：
（One）Two axle groups are calculated according to two axles, and three axle groups are calculated according to three axles；（Two）In addition to drive shaft, two axle groups, three axle groups with
And the axletree of semitrailer and full trailor is calculated per side wheel tire according to twin tires, if every side wheel tire is single tire, limit standard per axle
3000 kilograms are reduced, but is installed and is met the widening except tire of relative national standards；（Three）Vehicle maximum autohrozed total mass is not
Each axletree maximum design axle load sum should be exceeded.
In order to ensure the safety of communications and transportation, it is necessary to the number of axle, single two-wheel and drive shaft type to haulage vehicle are known
Not, in the prior art, generally recognize information of the vehicle in terms of these three using by the way of artificial observation, also have using arrangement prison
Controlling the mode of facility carries out the identification of information of vehicles, the side being whether monitored using artificial observation or arrangement monitoring device
Method, it is all very inconvenient., it is necessary to monitoring personnel lies face down carries out observation identification during using artificial observation, efficiency is low and not
It is convenient, and when using monitoring device to monitor, because road environment is severe, monitoring device is attacked by dust, rainwater, mud
Afterwards, it is impossible to normally use, also drive shaft type cannot be judged long-term effectively.
Additionally, existing vehicle identification system cannot be identified, it is necessary to install multiple to multiple information of vehicle simultaneously
Monitoring device, carries out multiple identification steps, and the number of axle, single information of vehicles such as two-wheel and drive shaft type to vehicle are known respectively
Not, recognition capability difference and inefficiency, seriously hinder the coast is clear.
During axle identification is driven, the purpose of identification drive shaft is reached by the type for recognizing driving wheel：By
Shaft-driven wheel is driven for driving wheel, it is driven pulley that the wheel for rotating is driven by driving wheel.When drive shaft type is recognized, only
Needs effectively identification driving wheel, driving wheel and the maximum difference of driven pulley are that the direction of frictional force is different, driving rotation
Move because being subject to frictional force, direction is identical with the direction of motion, and driven pulley is exactly mainly to overcome frictional force, frictional force
Direction is opposite with the direction of motion.
The content of the invention
It is an object of the invention to：Vehicle multiple information cannot be simultaneously recognized in the presence of for prior art not
A kind of foot, there is provided full model recognition system, the system combines single two-wheel identifying system and principal and subordinate's motor car wheel identifying system, makes vehicle
During by full model recognition system, single two-wheel identification and drive shaft identification can be simultaneously carried out, solved present in prior art
The problem of vehicle list two-wheel and drive shaft type cannot be simultaneously recognized, when vehicle is sailed the full model recognition system into, can be effective
Identify single two-wheel information of vehicle, and judge that single shaft drives or multiaxis drives, it is to avoid use people in the prior art
Work observation or monitoring device carry out the problem that efficiency is low, identification validity is poor existed when information of vehicles is recognized, imitate identification
Rate is high, high precision.
In order to realize foregoing invention purpose, the invention provides following technical scheme：
A kind of full model recognition system, including for gathering and exporting single two-wheel recognition subsystem of vehicle list two-wheel information, with
And for measuring vehicle wheel horizontal friction force direction and principal and subordinate's motor car wheel recognition subsystem of size, two subsystems connect successively
Connect, when passing through vehicle, pass sequentially through single two-wheel recognition subsystem and principal and subordinate's motor car wheel recognition subsystem.
Single two-wheel recognition subsystem and principal and subordinate's motor car wheel recognition subsystem are respectively provided with, and the two subsystems are connected successively
Connect, when using, two subsystems are arranged in road surface, when vehicle passes through from the road surface for being disposed with the full model recognition system
When, single two-wheel recognition subsystem is identified to wheel of vehicle type, and principal and subordinate's motor car wheel recognition subsystem is believed the wheel of vehicle
Breath is identified, and two subsystems are first-selected to collection, and information to gathering is calculated, recognized, judges the letter of wheel of vehicle
Breath, and the information output that will be recognized, so as to complete vehicle cab recognition process.
Preferably, the also car including being arranged between single two-wheel recognition subsystem and principal and subordinate's motor car wheel recognition subsystem
Scanning subsystem, the distance between single two-wheel recognition subsystem and principal and subordinate wheel recognition subsystem axle group adjacent with vehicle
Between length be adapted, make wheel of vehicle in synchronization while acting on principal and subordinate's motor car wheel recognition subsystem and single two-wheel is known
In small pin for the case system.
The vehicle scan subsystem includes grating vehicle separator and/or ground induction coil, sets vehicle scan subsystem,
When vehicle sails full model recognition system into, grating vehicle separator and/or ground induction coil are triggered, and system starts to gather signal,
It is axle group when wheel is acted on principal and subordinate's motor car wheel recognition subsystem and single two-wheel recognition subsystem in synchronization simultaneously,
Effect is once two axle groups, and double is three axle groups.Record the horizontal friction force direction of each axle and the list per axle respectively again
Two-wheel recognizes situation, and when vehicle rolls full model recognition system away from, grating vehicle separator and/or ground induction coil are closed, and will be adopted
The information of collection and measurement result computing are exported, and recognize vehicle.
When full model recognition system is arranged in road surface lower section, the grating vehicle separator is arranged on road surface both sides, and is situated between
In single two-wheel recognition subsystem and actively between wheel recognition subsystem.The grating vehicle separator can be used alone,
Can also simultaneously be used with ground induction coil, when being used with ground induction coil simultaneously, grating vehicle separator is arranged in ground induction coil
Both sides.
Preferably, principal and subordinate's motor car wheel recognition subsystem includes drive shaft identification sensor, and the sensor includes quartz
Sensing unit, the quartzy sensing unit is arranged in base, and the base is provided with elimination vehicle weight in the horizontal direction
The component structure of component.
The base is installed under road surface with mosaic mode, and when cargo transport vehicle passes through base, base is in vertical direction
The upper Action of Gravity Field larger by vehicle, while clamping part is also arranged on base by the horizontal applied force of haulage vehicle, when
When driving wheel identifying device works, two clamping planes of clamping part are positioned opposite in the horizontal direction, formed for clamping stone
The grasping part of English sensing unit, clamping plane is perpendicular to horizontal plane, and it is vertical that the clamping part occurs under vehicle weight effect
Displacement on direction, now, quartzy sensing unit will not be extruded by clamping part, be produced without active force, non-output signal；Folder
Hold portion and issue the upward displacement of unboiled water square in horizontal friction force effect, now, quartzy sensing unit is extruded by clamping part,
There is active force to produce, and output signal, and with the difference in horizontal friction force direction, export different signals.
The clamping plane forms angle with vehicle heading, it is ensured that be arranged in the quartzy sensing unit in grasping part
Acted on by horizontal friction force, when the clamping plane of clamping part is identical with vehicle heading, vehicle is by being provided with drive
During the road surface of driving wheel identifying device, the installation direction of quartzy sensing unit is identical with vehicle heading, and now quartz is sensitive single
Unit does not stress, it is impossible to which the frictional force to wheel is monitored and analyzed, only when clamping plane and vehicle heading have one
During clamp angle, quartzy sensing unit could stress, monitoring and analysis of the completion to wheel frictional force.
Quartzy sensing unit installed in clamping part is highly susceptible to the influence of miscellaneous power, and these miscellaneous power are essentially from gravity
Component, due to the not abswolute level that structure deformation stress in itself and live road surface are installed, into low-angle angle, therefore vertical
Structure is also easy to produce the component in horizontal direction very much in the case of gravity, so as to have influence on the monitoring of horizontal friction force, by setting
Component mechanism is put, vehicle weight component in the horizontal direction is effectively eliminated, by quartzy sensing unit to the side of horizontal friction force
To being monitored, so that the rapid type for effectively judging wheel, completes the type identification of drive shaft.
Preferably, the component structure includes rich property groove, separating tank and sorting hole so that base is bearing vehicle weight load
During lotus, the quartzy sensing unit installed on the holder portion is only acted on by horizontal friction force.
The base is cube structure, including upper stationary plane above cube structure, positioned at cube structure
The lower stationary plane of downside, the left and right mounting surface positioned at the cube structure left and right sides and before both sides before and after cube structure
Trailing flank, the clamping part be arrangement in the horizontal direction and insertion base front and back sides two rectangle raised lines, described in two
The clamping plane of rectangle raised line extends parallel to one another and perpendicularly relative to vehicle heading.
Operationally, on road, the front and back sides of base divide the floor installation of cube structure driving wheel identifying device
The both sides of road are not arranged in, and clamping part is two rectangle raised lines of insertion base front and back sides so that the folder of the rectangle raised line
Fair face is identical with the travel direction of vehicle, after quartzy sensing unit is arranged on the grasping part that two clamping planes are formed,
Quartzy sensing unit is vertical with vehicle heading, so as to ensure that quartzy sensing unit monitors that the level of vehicle is rubbed to greatest extent
Wipe power.Rectangle raised line insertion base front and back sides so that two length of rectangle raised line are corresponding with the length of cube structure.
The quartzy sensing unit includes quartz wafer, and quartzy sensing unit uses quartz wafer, quartz wafer is installed
To clamping part, when vehicle drives through driving wheel identifying device top, the positive negative signal that is produced by quartz wafer stress and
Size, judges that wheel is forward or backward, so as to reach the purpose of identification driving wheel to the frictional force of bottom surface.
The rich property groove extends to base trailing flank, and the rich property groove is located at clamping part lower section, near the lower fixation of base
Face side.The rich property groove extends to base front and back sides, and rich property groove is arranged in the side of clamping part, its width and clamping part
Width is corresponding, sets rich property groove, makes base when vehicle weight load is born, and quartzy sensing unit in the vertical direction is not received
Power, output signal that will not be strong.
The rich property groove is rectangular channel, and the arcuate furrow communicated with rich property groove is additionally provided with the right angle of the rectangular channel,
The front and back sides of the arcuate furrow insertion base.The rich property groove of rectangular configuration is arranged on the side of clamping part, the width of property of having mercy on groove
More than the width of two rectangle raised lines positioned opposite, and the both sides in rich property well width direction all extend to the root of correspondence raised line to degree
Portion, makes clamping part be fully disposed in the width range of rich property groove.
The component structure includes being arranged in the component groove of base leading flank, and the component groove extends to base trailing flank,
The component groove is arranged in the top of clamping part, and near stationary plane side on base, the component groove and rich property groove are arranged in
The both sides of clamping part.The component groove is rectangular configuration, and component groove extends to the front and back sides of base, the whole cube knot of insertion
Structure, the rich property groove of side arrangement of clamping part, the component groove is arranged in the opposite side of clamping part, and the width of component groove is compared with clamping part
Width it is wider, the component groove in the direction of the width to the left and right mounting surface extend, near the left and right mounting surface of base, described point
The width of power groove is wider compared with the width of rich property groove, and extends close to the position of the left and right mounting surface of cube structure, make base
Right mounting surface and component groove between form force-guided stem, base when vehicle weight load is born, the force-guided stem be used for bear
Gravity, makes whole understructure be fixed under road surface.
Opening is additionally provided with the base leading flank, the opening extends to base trailing flank, base is run through in the opening
Upper stationary plane and the component groove, make stationary plane on base be connected with component groove.Stationary plane is used to bear the weight of vehicle on base
Power, and transmit vehicle gravity and wheel produce frictional force, base leading flank set component groove and opening, component groove and
The left mounting surface and right mounting surface of base are separated into two relatively independent parts by opening, and the upper stationary plane of base is by opening point
Two relatively independent planes are segmented into, two relatively independent planes are different according to the direction of wheel, produce different
Displacement and frictional force size, so as to the direction to frictional force makes a distinction.The grasping part that opening and clamping part are formed extends
To the front and back sides of base so that base is divided into two relatively independent parts by opening and grasping part, and the two are relatively only
Quartzy sensing unit is installed, when in use, the travel direction of vehicle is vertically and base for driving wheel identifying device between vertical part
Left mounting surface and right mounting surface, it is different according to the frictional force size and Orientation that wheel of vehicle is produced, on base two it is relatively independent
Part between produce power direction and size be also it is different, by quartzy sensing unit complete monitoring and feed back.
The component hole extends to the trailing flank of base.The component hole is arranged side by side with rich property groove, is respectively positioned on clamping part
Phase the same side, and the component hole is near right mounting surface side.By arranging component groove, component hole and rich property groove, make vehicle
Wheel gravity is carried in when in driving wheel identifying device, is arranged in the powerless generation of quartzy sensing unit of clamping part, is believed without output
Number, make quartzy sensing unit accurate measurements to the size and Orientation of horizontal friction force, so that effectively judge wheel information, to driving
Wheel is identified.
Preferably, single two-wheel recognition subsystem includes multiple piezoelectric quartz sensors, and multiple piezoelectric quartzes are passed
Sensor is arranged on same straight line, and is connected with the communications cable for transmission signal.
Single two-wheel identifying device of traditional approach uses single sensor, due to using single sensor to vehicle list two-wheel
During identification, single sensor independence, vehicle when by the identifying device, due to vehicle travel difference, it is impossible to ensure vehicle from
Pass through on same sensor, reduce the accuracy of identification of identifying device, and take this including multiple piezoelectric quartz sensors
Single two-wheel identifying device, each vehicle can improve accuracy of identification by same identifying device.
Preferably, including all-sealed structure part and the piezoelectric quartz crystal plate that is arranged in all-sealed structure part, this is hermetically sealed
Structural member is provided with the seal cavity for installing piezoelectric quartz crystal plate, and the piezoelectric quartz crystal plate is fixed in seal cavity, institute
Stating all-sealed structure part seals seal cavity in the way of pressure seal.
In the prior art, existing quartz transducer uses adhering and sealing technique, the side by piezoelectric quartz crystal plate to be bonded
Formula is sealed, and the quartz transducer of this adhering and sealing mode in use, easily fail by abutting edge, causes to have
Effect sealing so that sensor is easily influenceed by undesirable elements such as awful weather, big, the rainwater silt immersions of the temperature difference, sensor
Insulation impedance be unable to reach requirement, sensor is difficult to long-time reliability Work.
In this programme, piezoelectric quartz crystal plate is fixed in all-sealed structure part in the way of pressure seal, makes piezoelectricity stone
English chip separates completely with external environment, reaches hermetically sealed configuration state, so as to the insulation that ensure that piezoelectric quartz crystal plate is imitated
Really, the life-span of sensor is made significantly to be lifted.The mode of pressure seal under pressure, is arranged in for structural member by extruding
Seal on sealing surface, reaches the state being fully sealed, and under pressure, its better tightness, all-sealed structure
Part is the structure type being fully sealed, and inner space and the outside of structural member are not communicated with, and piezoelectric quartz crystal plate is arranged in hermetically sealed
After in structure, complete to seal by sealing surface.
Preferably, the all-sealed structure part includes the tube-like base for installing piezoelectric quartz crystal plate, the tubular bottom
Top cover for being sealed against is installed on seat.All-sealed structure part is set to include the structure shape of tube-like base and top cover
Formula, piezoelectric quartz crystal plate is arranged in tube-like base, and by the connection of top cover and tube-like base, seals piezoelectric quartz crystal plate
In tube-like base.
The first sealing structure for installing sealing ring is provided with the contact surface of the tube-like base and top cover.Top cover is pacified
After tube-like base, contact surface is formed in the contact site of the two, and the first sealing structure is set on the contact surface, will
After sealing ring is arranged on the first sealing structure, the two is fastened by being arranged on connector between tube-like base and top cover, so that
Complete being fully sealed for circle seal structural part.
The tube-like base is circular sleeve, and its one end is blind end, and the other end is the base openings for installing top cover
End, the top cover is the circular sleeve corresponding with tube-like base, including top cover openend and top closure end, the top cover
The openend end contact of blind end end face and tube-like base, first sealing structure is arranged on the contact surface of the two, is passed
When in use, top cover arrangement fills filler to sensor on road surface in top cover, the openend end face of top cover is concordant with road surface.Pass
In the quartz transducer of system, due to the abrasion on road surface and sensor top layer, and the mechanical strength of elastic structure change, lead
The change of transducer sensitivity is caused, makes sensor in the case of fixed threshold values, the discrimination of long-play is reduced, and is used
The top cover of circular sleeve structure, can be prevented effectively from the abrasion on sensor top layer, so as to keep the sensitivity of sensor.
First sealing structure is the size of the annular groove being opened on first annular boss, its size and sealing ring
Correspondence, when using, sealing ring is arranged in annular groove, and in order to realize preferable sealing effectiveness, the size of sealing ring is bigger
In the size of annular groove, by the extruding between tube-like base and top cover, sealing is realized.
Preferably, the drive shaft identification sensor is strip, for being arranged in road surface lower section and prolonging towards road surface both sides
Stretch, the drive shaft identification sensor is parallel to each other with the piezoelectric quartz sensor.By drive shaft identification sensor and piezoelectricity
Quartz transducer is arranged in parallel, when vehicle passes sequentially through drive shaft identification sensor and piezoelectric quartz sensor, the car of vehicle
Wheel can be when synchronization be acted on principal and subordinate's motor car wheel recognition subsystem and single two-wheel recognition subsystem simultaneously, can be to axle for vehicle
Group is effectively recognized that effect is once two axle groups, and double is three axle groups.
Preferably, the spacing between the drive shaft identification sensor and piezoelectric quartz sensor be 1100mm~
1400mm.The distance between the spacing and road freight axle for vehicle group are adapted, and vehicle is driven through full model recognition system
When, number of axle identification can be effectively carried out, make full model recognition system when two connecting shafts, three connecting shafts is recognized, erroneous judgement will not occur.
Preferably, connected using the communications cable between the drive shaft identification sensor and piezoelectric quartz sensor, this leads to
Letter cable is arranged in waterproof linker.Because full model recognition system is arranged on the road at charge station or inspection station, scene
Environment is poor, and the communications cable is highly susceptible to the influence of the undesirable elements such as big, the rainwater silt immersion of awful weather, the temperature difference so that
Cannot effectively be connected between two subsystems, the information that stably transmission is collected and calculated be cannot guarantee that, by communications cable cloth
Put in waterproof linker, it is ensured that full model recognition system long-time reliability Work.
Compared with prior art, beneficial effects of the present invention：
1st, in the prior art, it is impossible to while recognizing vehicle multiple information, there is bigger difficulty in high speed preliminary examination, non-at-scene law enforcement
And obstacle, by full model recognition system of the invention, it is respectively provided with single two-wheel recognition subsystem and principal and subordinate's motor car wheel identification
System, and will be arranged in road surface after the connection of the two subsystems, when vehicle from the road surface for being disposed with the full model recognition system
By when, single two-wheel recognition subsystem is identified to wheel of vehicle type, car of principal and subordinate's motor car wheel recognition subsystem to vehicle
Whether wheel is that driving wheel completes identification, and by the information for gathering and results of measuring computing output, complete vehicle cab recognition, imitates identification
Rate is high, high precision, while preliminary examination, law enforcement, it is ensured that the coast is clear；
2nd, by setting scanning subsystem, when vehicle sails full model recognition system into, the grating vehicle of driver sweep subsystem
Separator and/or ground induction coil, system start to gather signal, when simultaneously wheel acts on the identification of principal and subordinate's motor car wheel in synchronization
It is axle group when on subsystem and single two-wheel recognition subsystem, effect is once two axle groups, and double is three axle groups, so as to have
Effect completes the number of axle identification of vehicle；
3rd, piezoelectric quartz crystal plate is fixed in all-sealed structure part in the way of pressure seal, makes piezoelectric quartz crystal plate with the external world
Environment separates completely, reaches hermetically sealed configuration state, so as to ensure that the insulation effect of piezoelectric quartz crystal plate, makes sensor
Life-span is significantly lifted.
Brief description of the drawings：
Fig. 1 is structural representation when full model recognition system of the invention works.
Fig. 2 is the structural representation of drive shaft identification sensor.
Fig. 3 is the profile of the B-B along Fig. 1.
Fig. 4 is the profile of the A-A along Fig. 1.
Marked in figure：1- vehicle scan subsystems, 11- grating vehicle separators, 12- ground induction coils, 2- principal and subordinate's motor car wheels
Recognition subsystem, 20- drive shaft identification sensors, 20A- quartz sensing units, 20B- bases, 201- clamping parts, having mercy on property of 202-
Groove, 203- arcuate furrows, 204- component grooves, 205- force-guided stems, 206- openings, 207- component hole, 208- arcs, 209- strengthens
Fixing groove, 210- sinking table tops, 211- leads power plate, 212- mounting grooves, 213- filling parts, the mono- two-wheel recognition subsystems of 3-, 31- pressures
Electric quartz transducer, 32- arithmetic elements, 301- piezoelectric quartz crystal plates, 302- tube-like bases, 303- top covers, 304- first is sealed
Structure, 305- connectors, 306- annular boss, the first annular boss of 306a-, the annular boss of 306b- second, 307- installs convex
Platform, 308- second seals structures, 309- boss, 310- raised head faces, 312- circuit boards, 313- push rods, 315- lug bosses,
316- water joints, 4- waterproof linkers.
Specific embodiment
With reference to test example and specific embodiment, the present invention is described in further detail.But this should not be understood
For the scope of above-mentioned theme of the invention is only limitted to following embodiment, all technologies realized based on present invention belong to this
The scope of invention.
Embodiment
The present embodiment is applied to recognize the full vehicle cab recognition occasion of the vehicle number of axle, single two-wheel and drive shaft.
As shown in figure 1, full model recognition system, including recognized for gathering and exporting single two-wheel of vehicle list two-wheel information
Subsystem 3, and for measuring vehicle wheel horizontal friction force direction and principal and subordinate's motor car wheel recognition subsystem 2 of size, two
Subsystem is sequentially connected, and when passing through vehicle, passes sequentially through single two-wheel recognition subsystem 3 and principal and subordinate's motor car wheel recognition subsystem 2.
Single two-wheel recognition subsystem 3 and principal and subordinate's motor car wheel recognition subsystem 2 are respectively provided with, and by the two subsystems successively
Connection, when using, two subsystems is arranged in road surface, when vehicle leads to from the road surface for being disposed with the full model recognition system
Out-of-date, single two-wheel recognition subsystem 3 is identified to wheel of vehicle type, car of the principal and subordinate's motor car wheel recognition subsystem 2 to vehicle
Wheel information is identified, and two subsystems are first-selected to collection, and information to gathering is calculated, recognized, judges wheel of vehicle
Information, and the information output that will be recognized, so as to complete vehicle cab recognition process.
Full model recognition system also includes being arranged in single two-wheel recognition subsystem 3 and principal and subordinate's motor car wheel recognition subsystem
Vehicle scan subsystem 1 between 2, the distance between single two-wheel recognition subsystem 3 and principal and subordinate wheel recognition subsystem 2 with
Length between the adjacent axle group of vehicle is adapted, and makes wheel of vehicle in synchronization while acting on principal and subordinate's motor car wheel identification subsystem
On system 2 and single two-wheel recognition subsystem 3.
Vehicle scan subsystem 1 includes grating vehicle separator 11 and/or ground induction coil 12, sets vehicle scan subsystem
1, when vehicle sails full model recognition system into, grating vehicle separator 11 and/or ground induction coil 12 are triggered, and system starts collection
Signal, when wheel is acted on principal and subordinate's motor car wheel recognition subsystem 2 and single two-wheel recognition subsystem 3 in synchronization simultaneously,
It is axle group, effect is once two axle groups, and double is three axle groups ....Record the horizontal friction force direction of each axle respectively again
Single two-wheel with every axle recognizes situation, and when vehicle rolls full model recognition system away from, line is felt on grating vehicle separator 11 and/or ground
Circle 12 is closed, and by the information for gathering and measurement result computing output, recognizes vehicle.
When full model recognition system is arranged in road surface lower section, the grating vehicle separator is arranged on road surface both sides, and is situated between
In single two-wheel recognition subsystem and actively between wheel recognition subsystem.The grating vehicle separator can be used alone,
Can also simultaneously be used with ground induction coil, when being used with ground induction coil simultaneously, grating vehicle separator is arranged in ground induction coil
Both sides.
Principal and subordinate's motor car wheel recognition subsystem 2 includes drive shaft identification sensor 20, as shown in Figure 2 and Figure 4, the sensor bag
Quartzy sensing unit 20A is included, the quartzy sensing unit 20A is arranged in base 20B, and elimination is provided with the base 20B
The component structure of vehicle weight component in the horizontal direction.
The base 20B is installed under road surface with mosaic mode, and when cargo transport vehicle passes through base 20B, base 20B exists
The larger Action of Gravity Field of vehicle is subject on vertical direction, while also by the horizontal applied force of haulage vehicle, the cloth on base 20B
Clamping part 201 is put, when driving wheel identifying device works, two clamping planes of clamping part 201 are in the horizontal direction with respect to cloth
Put, form the grasping part for clamping quartzy sensing unit 20A, perpendicular to horizontal plane, the clamping part 201 exists clamping plane
The lower displacement occurred on vertical direction of vehicle weight effect, now, quartzy sensing unit 20A will not be subject to squeezing for clamping part 201
Pressure, produces, non-output signal without active force；Clamping part 201 issues the upward displacement of unboiled water square in horizontal friction force effect, this
When, quartzy sensing unit 20A is extruded by clamping part, has active force to produce, and output signal, and with horizontal friction force
The difference in direction, exports different signals.
The clamping plane forms angle with vehicle heading, it is ensured that be arranged in the quartzy sensing unit in grasping part
Acted on by horizontal friction force, when the clamping plane of clamping part 201 is identical with vehicle heading, vehicle is by being provided with
During the road surface of driving wheel identifying device, the installation direction of quartzy sensing unit 20A is identical with vehicle heading, now quartzy quick
Sense unit 20A does not stress, it is impossible to which the frictional force to wheel is monitored and analyzed, only when clamping plane and vehicle heading
During with certain angle, quartzy sensing unit 20A could stress, monitoring and analysis of the completion to wheel frictional force.
Quartzy sensing unit 20A installed in clamping part 201 is highly susceptible to the influence of miscellaneous power, these miscellaneous power essentially from
The component of gravity, due to the not abswolute level that structure deformation stress in itself and live road surface are installed, into low-angle angle, therefore
Structure is also easy to produce the component in horizontal direction very much in the case of vertical gravity, so as to have influence on the monitoring of horizontal friction force,
By setting component mechanism, vehicle weight component in the horizontal direction is effectively eliminated, by quartzy sensing unit to level friction
The direction of power is monitored, so that the rapid type for effectively judging wheel, completes the type identification of drive shaft.
Component structure includes rich property groove 202, component groove 204 and component hole 207 so that base 20B is bearing vehicle weight
During load, the quartzy sensing unit 20A on clamping part 201 is only acted on by horizontal friction force.
The base 20B is cube structure, including upper stationary plane above cube structure, positioned at cube knot
Lower stationary plane on the downside of structure, positioned at the left and right mounting surface of the cube structure left and right sides and the both sides before and after cube structure
Front and back sides, the clamping part 201 for arrangement in the horizontal direction and insertion base front and back sides two rectangle raised lines, two
The clamping plane of the rectangle raised line extends parallel to one another and perpendicularly relative to vehicle heading.
Operationally, the base 20B of cube structure is arranged on road driving wheel identifying device, and base 20B's is front and rear
Side is arranged in the both sides of road, and clamping part 201 is two rectangle raised lines of insertion base front and back sides so that the rectangle
The clamping plane of raised line is vertical with the travel direction of vehicle, when quartzy sensing unit 20A is arranged on what two clamping planes were formed
After grasping part, quartzy sensing unit 20A is vertical with vehicle heading, so as to ensure quartzy sensing unit 20A to greatest extent
Monitor the horizontal friction force of vehicle.Rectangle raised line insertion base front and back sides so that two length of rectangle raised line with cube
The length correspondence of body structure.
Quartzy sensing unit 20A includes quartz wafer, and quartzy sensing unit 20A uses quartz wafer, quartz wafer is pacified
Clamping part 201 is filled to, when vehicle drives through driving wheel identifying device top, the positive negative signal produced by quartz wafer stress
And size, judge that wheel is forward or backward, so as to reach the purpose of identification driving wheel to the frictional force of bottom surface.
Rich property groove 202 extends to base trailing flank, and the rich property groove 202 is located at the lower section of clamping part 201, near base 20B
Lower stationary plane side, the rich property groove 202 extends to base front and back sides, and rich property groove 202 is arranged in the side of clamping part 201
Face, its width is corresponding with the width of clamping part 201, sets rich property groove 202, makes base 20B when vehicle weight load is born,
Quartzy sensing unit 20A in the vertical directions do not stress, output signal that will not be strong.
Rich property groove 202 is rectangular channel, and the arcuate furrow communicated with rich property groove 202 is additionally provided with the right angle of the rectangular channel
203, the front and back sides of the insertion base 20B of the arcuate furrow 203, the rich property groove 202 of rectangular configuration is arranged on clamping part 201
Side, the width of property groove 202 of having mercy on more than two width of rectangle raised line positioned opposite, and the rich width of property groove 202 two
Side all extends to the root of correspondence raised line, clamping part 201 is fully disposed in the width range of rich property groove 202.
Component structure includes being arranged in the component groove 204 of base leading flank, and the component groove 204 extends to base rear side
Face, the component groove 204 is arranged in the top of clamping part 201, near stationary plane side, the component groove 204 and rich property on base
Groove 202 is arranged in the both sides of clamping part 201, and the component groove 204 is rectangular configuration, and component groove 204 extends to base 20B
Front and back sides, the whole cube structure of insertion, the rich property groove 202 of side arrangement of clamping part 201, the component groove 204 is arranged
In the opposite side of clamping part 201, the width of component groove 204 is wider compared with the width of clamping part 201, and the component groove 204 is in width
Mounting surface extends to the left and right on direction, near the left and right mounting surface of base 20B, the relatively rich property groove 202 of width of the component groove 204
Width it is wider, and extend close to the position of the left and right mounting surface of cube structure, make the right mounting surface of base 20B and component
Force-guided stem 205 is formed between groove 204, when vehicle weight load is born, the force-guided stem 205 is used to bear gravity base 20B,
Whole understructure is set to be fixed under road surface.
Opening 206 is additionally provided with base leading flank, the opening 206 extends to base trailing flank, the opening 206 is run through
Stationary plane and the component groove 204 on base, make stationary plane on base be connected with component groove 204, and stationary plane is used to hold on base
By the gravity of vehicle, and the frictional force that the gravity and wheel of vehicle are produced is transmitted, the He of component groove 204 is set in the leading flank of base
Opening 206, the left mounting surface and right mounting surface of base 20B are separated into two relatively independent portions by component groove 204 and opening 206
Point, the upper stationary plane of base 20B is divided into two relatively independent planes by opening 206, two relatively independent planes according to
The direction of wheel is different, produces different displacement and frictional force sizes, so as to the direction to frictional force makes a distinction.Open
The grasping part that mouth 206 and clamping part 201 are formed all extends to the front and back sides of base 20B so that the top half of base 20B
It is divided between two relatively independent parts, the two relatively independent parts by opening 206 and grasping part and installs quartzy quick
Sense unit 20A, driving wheel identifying device when in use, the travel direction of vehicle perpendicular to the left mounting surface of base and right mounting surface,
It is different according to the frictional force size and Orientation that wheel of vehicle is produced, the power produced between two relatively independent parts on base
Direction and size are also different, complete monitoring by quartzy sensing unit and feed back.
The component hole 207 extends to the trailing flank of base 20B, and the component hole 207 is arranged side by side with rich property groove 202,
Positioned at phase the same side of clamping part 201, and the component hole 207 is near the right mounting surface side of base.By arranging component groove
204th, component hole 207 and rich property groove 202, make the wheel gravity of vehicle be carried in when in driving wheel identifying device, are arranged in clamping
The quartzy powerless generations of sensing unit 20A in portion 201, non-output signal makes quartzy sensing unit 20A accurate measurements to level friction
The size and Orientation of power, so as to effectively judge wheel information, is identified to driving wheel.
The both sides up and down of clamping part 201 are also respectively provided with the arc 208 of connect base front and back sides, two pieces of arcs
Shape plate 208 surrounds clamping part 201, forms the cambered surface space for filling epoxy resin, the upper stationary plane of base 20B and lower solid
Determine face be also respectively provided with for make base 20B fix reinforcement fixing groove 209, it is described reinforcement fixing groove 209 extend to base
Front and back sides.Set on base 20B and strengthen fixing groove 209, strengthened fixing groove 209 and be arranged in stationary plane and lower stationary plane,
And base front and back sides are extended to, the reinforcement fixing groove 209 is U-shaped groove structure, is used in base 20B is arranged on road surface
When recognizing the classification of wheel of vehicle, by U-shaped groove structure, base 20B is fixedly secured in road surface, effectively prevent base
The problems such as shifting, swing,
When driving wheel identifying device is used, reinforcement fixing groove 209 is arranged with fixed face and lower stationary plane, upper
The sinking table top 210 for filling epoxy resin is additionally provided with stationary plane, the reinforcement fixing groove 209 is disposed adjacent to left peace
Dress face side, the sinking table top 210 is disposed adjacent to right mounting surface side, the reinforcement fixing groove 209 and sinking table top 210
The both sides of the separate upper stationary plane in opening 206 are located at respectively, are provided with the upper stationary plane of the side of sinking table top 210 to lead power plate
211, lead power plate 211 and be connected with force-guided stem 205, sinking table top 210 is set leading, by sinking table top 210 on power plate 211
Filling epoxy resin, makes driving wheel identifying device in application process, can keep good performance, is disposed with reinforcement and fixes
The side of groove 209 is arranged in road surface, makes floor installation firm by strengthening fixing groove 209.
The mounting groove 212 for mounting seat 20B, the mounting groove 212 are provided with the left mounting surface of the base 20B
Base front and back sides are extended to, the filling part 213 for filling foam is provided with the right mounting surface of the base 20B, led to
Setting mounting groove 212 is crossed, base 20B is firmly installed, filling part 213 is used to fill foam, force-guided stem 205 is being born vehicle
Gravity when, its deformation is slowly discharged, and effectively prevents the component in horizontal direction, filters out miscellaneous power, to accurate survey
Amount plays preferable help.
Single two-wheel recognition subsystem 3 includes multiple piezoelectric quartz sensors 31, multiple cloth of the piezoelectric quartz sensor 31
Put on same straight line, multiple piezoelectric quartz sensors 31 are connected with arithmetic element 32, the arithmetic element 32 is external
The communications cable, the communications cable is connected with principal and subordinate's motor car wheel recognition subsystem.
Single two-wheel identifying device of traditional approach uses single sensor, due to using single sensor to vehicle list two-wheel
During identification, single sensor independence, vehicle when by the identifying device, due to vehicle travel difference, it is impossible to ensure vehicle from
Pass through on same sensor, reduce the accuracy of identification of identifying device, and take this including multiple piezoelectric quartz sensors
Single two-wheel identifying device, each vehicle can improve accuracy of identification by same identifying device.
Piezoelectric quartz sensor 31 includes all-sealed structure part and the piezoelectric quartz crystal plate being arranged in all-sealed structure part,
The all-sealed structure part is provided with the seal cavity for installing piezoelectric quartz crystal plate, and the piezoelectric quartz crystal plate is fixed on annular seal space
In vivo, the all-sealed structure part seals seal cavity in the way of pressure seal.
In the prior art, existing quartz transducer uses adhering and sealing technique, the side by piezoelectric quartz crystal plate to be bonded
Formula is sealed, and the quartz transducer of this adhering and sealing mode in use, easily fail by abutting edge, causes to have
Effect sealing so that sensor is easily influenceed by undesirable elements such as awful weather, big, the rainwater silt immersions of the temperature difference, sensor
Insulation impedance be unable to reach requirement, sensor is difficult to long-time reliability Work.
In the present embodiment, piezoelectric quartz crystal plate is fixed in all-sealed structure part in the way of pressure seal, makes piezoelectricity
Quartz wafer separates completely with external environment, reaches hermetically sealed configuration state, so as to ensure that the insulation of piezoelectric quartz crystal plate
Effect, makes the life-span of sensor significantly be lifted.The mode of pressure seal under pressure, is arranged for structural member by extruding
Seal on sealing surface, reaches the state being fully sealed, and under pressure, its better tightness, hermetically sealed knot
Component is the structure type being fully sealed, and inner space and the outside of structural member are not communicated with, and piezoelectric quartz crystal plate is arranged in complete close
After in seal structure, complete to seal by sealing surface.
As shown in figure 3, all-sealed structure part includes the tube-like base 302 for installing piezoelectric quartz crystal plate 301, the cylinder
Top cover 303 for being sealed against is installed on shape base 302, all-sealed structure part is set to include the He of tube-like base 302
The structure type of top cover 303, piezoelectric quartz crystal plate 301 is arranged in tube-like base 302, and by top cover 303 and tube-like base
302 connection, makes piezoelectric quartz crystal plate 301 be sealed in tube-like base 302.
The first sealing structure 304 for installing sealing ring is provided with the contact surface of tube-like base 302 and top cover 303,
After top cover 303 is arranged on tube-like base 302, contact surface is formed in the contact site of the two, and the is set on the contact surface
One sealing structure 304, after sealing ring is arranged on into the first sealing structure 304, by being arranged on tube-like base 302 and top cover 303
Between connector 305 fasten the two, so as to complete being fully sealed for structural member.
Tube-like base 302 is circular sleeve, and its one end is blind end, and the other end is the base openings for installing top cover
End, the top cover 303 is the circular sleeve corresponding with tube-like base 302, including top cover openend and top closure end, described
The blind end end face of top cover 303 and the openend end contact of tube-like base 302, first sealing structure 304 are arranged in two
On the contact surface of person, when in use, top cover 303 is arranged on road surface sensor, and filler is filled in top cover 303, top cover 303
Openend end face is concordant with road surface.In traditional quartz transducer, due to the abrasion on road surface and sensor top layer, and elasticity knot
The change of the mechanical strength of structure body, causes the change of transducer sensitivity, makes sensor in the case of fixed threshold values, for a long time
The discrimination reduction of operation, and the top cover of circular sleeve structure is used, the abrasion on sensor top layer can be prevented effectively from, so as to keep
The sensitivity of sensor.
Annular boss 306 is provided with the outer wall of tube-like base 302, including positioned at the first annular convex of openend outer wall side
Platform 306a and the second annular boss 306b positioned at blind end outer wall side, the annular boss 306 is to the radial direction side of tube-like base 302
To outside extend, the face size of the first annular boss 306a is corresponding with the blind end face size of top cover 303.
First sealing structure 304 is the annular groove being opened on first annular boss 306a, its size and sealing ring
Size correspondence, when using, sealing ring is arranged in annular groove, in order to realize preferable sealing effectiveness, the size of sealing ring
Slightly larger than the size of annular groove, by the extruding between tube-like base and top cover, sealing is realized.
Be additionally provided with installation base 307 on the blind end end face of top cover 303, axle from the installation base 307 to top cover 303
Extend to direction, when top cover 303 and tube-like base 302 constitute all-sealed structure part and use, the installation base 307 and tube-like base
302 inwall contact, and the second seals structure 308 for installing sealing ring is provided with the contact surface, described second is close
Seal structure 308 is the annular groove being opened on installation base 307, and the size of annular groove is corresponding with the size of sealing ring.
Top cover 303 is arranged on tube-like base 302, and being bolted makes the two be connected firmly, in the closing of top cover 303
On the end face of end and first annular boss 306a, correspondence is disposed with multiple mounting holes, mounting hole is passed through using bolt, by top cover
303 and tube-like base 302 be attached.
The boss 309 for installing piezoelectric quartz crystal plate 301 is provided with tube-like base 302, piezoelectric quartz crystal plate 301 is installed
On the raised head face 310 of the boss 309, circuit board 312 is provided with piezoelectric quartz crystal plate 301, circuit board 312 is plectane
Shape, its lateral surface is fitted with the inwall of tube-like base 302.Piezoelectric quartz crystal plate 301 is fitted with the lower surface of circuit board 312, institute
State and push rod 313 is additionally provided between circuit board 312 and top cover 303, the push rod 313 is circular shaft shape, and the end of the push rod 313 sets
The lug boss 315 being connected with top cover 303 is equipped with, the push rod 313 and lug boss 315 are integral type structure.
One end end of push rod 313 is fitted with top cover, the top pressure of the other end this circuit board 312, and circuit board 312 is formed
Pressure on top surface, so that the sealing for completing piezoelectric quartz crystal plate 301 is fixed.
Lug boss 315 is the cylinder boss with diameter greater than body, and lug boss 315 is contacted with circuit board 312, and in top cover
Top pressure is formed to circuit board 312 and piezoelectric quartz crystal plate 301 under 303 pressure.
Piezoelectric quartz sensor 31 is connected with shielded cable, by shielded cable transmission of monitoring information, in tube-like base 302
Blind end on water joint 316 is installed, shielded cable is passed through water joint 316 and outwards draw, water joint 316 can have
Effect blocking sensor internal and the connection of external environment, make sensor keep good sealing, realize hermetically sealed performance.
Drive shaft identification sensor 20 is strip, for being arranged in road surface lower section and extending towards road surface both sides, the drive
Moving axis identification sensor 20 is parallel to each other with the piezoelectric quartz sensor 31, by drive shaft identification sensor 20 and piezoelectric quartz
Sensor 31 is arranged in parallel, when vehicle passes sequentially through drive shaft identification sensor 20 and piezoelectric quartz sensor 21, vehicle
Wheel can be when synchronization be acted on principal and subordinate's motor car wheel recognition subsystem and single two-wheel recognition subsystem simultaneously, can be to vehicle
Axle group is effectively recognized that effect is once two axle groups, and double is three axle groups.
Spacing between drive shaft identification sensor 20 and piezoelectric quartz sensor 31 is 1100mm~1400mm, the spacing
It is adapted with the distance between road freight axle for vehicle group, when vehicle is driven through full model recognition system, can be effectively carried out
Number of axle identification, makes full model recognition system when two connecting shafts, three connecting shafts is recognized, erroneous judgement will not occur.
Connected using the communications cable between drive shaft identification sensor 20 and piezoelectric quartz sensor 31, the communications cable cloth
Put in waterproof linker 4, due to full model recognition system be arranged in charge station or inspection station road on, site environment compared with
Difference, the communications cable is highly susceptible to the influence of the undesirable elements such as big, the rainwater silt immersion of awful weather, the temperature difference so that two sons
Cannot effectively be connected between system, cannot guarantee that the information that stably transmission is collected and calculated, the communications cable is arranged in anti-
In water linker, it is ensured that full model recognition system long-time reliability Work.
The present embodiment is respectively provided with single two-wheel recognition subsystem and principal and subordinate's motor car wheel identification by full model recognition system
System, and will be arranged in road surface after the connection of the two subsystems, when vehicle from the road surface for being disposed with the full model recognition system
By when, single two-wheel recognition subsystem is identified to wheel of vehicle type, car of principal and subordinate's motor car wheel recognition subsystem to vehicle
Whether wheel is that driving wheel completes identification, and by the information for gathering and results of measuring computing output, complete vehicle cab recognition, imitates identification
Rate is high, high precision, while preliminary examination, law enforcement, it is ensured that the coast is clear, solving in the prior art cannot be while recognizes that vehicle is more
, there is bigger difficulty and obstacle in high speed preliminary examination, non-at-scene law enforcement in individual information.
Claims (10)
1. a kind of full model recognition system, it is characterised in that including the single two-wheel for gathering and exporting vehicle list two-wheel information
Recognition subsystem, and for measuring vehicle wheel horizontal friction force direction and principal and subordinate's motor car wheel recognition subsystem of size, two
Individual subsystem is sequentially connected, and when passing through vehicle, passes sequentially through single two-wheel recognition subsystem and principal and subordinate's motor car wheel recognition subsystem.
2. full model recognition system according to claim 1, it is characterised in that also including being arranged in single two-wheel identification
Vehicle scan subsystem between subsystem and principal and subordinate's motor car wheel recognition subsystem, single two-wheel recognition subsystem and principal and subordinate move
Length between wheel the distance between recognition subsystem axle group adjacent with vehicle is adapted, make wheel of vehicle in synchronization simultaneously
Act on principal and subordinate's motor car wheel recognition subsystem and single two-wheel recognition subsystem.
3. full model recognition system according to claim 2, it is characterised in that principal and subordinate's motor car wheel recognition subsystem bag
Drive shaft identification sensor is included, the sensor includes quartzy sensing unit, and the quartzy sensing unit is arranged in base, described
Base is provided with the component structure for eliminating vehicle weight component in the horizontal direction.
4. full model recognition system according to claim 3, it is characterised in that the component structure include rich property groove, point
From groove and sorting hole so that when vehicle weight load is born, the quartzy sensing unit installed on the holder portion is only subject to base
The effect of horizontal friction force.
5. full model recognition system according to claim 3, it is characterised in that single two-wheel recognition subsystem includes many
Individual piezoelectric quartz sensor, multiple piezoelectric quartz sensors are arranged on same straight line, and are connected with for transmitting letter
Number the communications cable.
6. full model recognition system according to claim 5, it is characterised in that the piezoelectric quartz sensor includes complete close
Sealed knot component and the piezoelectric quartz crystal plate being arranged in all-sealed structure part, the piezoelectric quartz crystal plate is in the way of pressure seal
It is fixed in all-sealed structure part.
7. full model recognition system according to claim 6, it is characterised in that the all-sealed structure part is included for pacifying
The tube-like base of piezoelectric quartz crystal plate is filled, the top cover for tube-like base to be sealed is installed on the tube-like base.
8. according to the full model recognition system that one of claim 3-7 is described, it is characterised in that the drive shaft identification sensor
It is strip, for being arranged in road surface lower section and extending towards road surface both sides, the drive shaft identification sensor and the piezoelectricity stone
English sensor is parallel to each other.
9. full model recognition system according to claim 8, it is characterised in that the drive shaft identification sensor and piezoelectricity
Spacing between quartz transducer is 1100mm~1400mm.
10. according to the full model recognition system that one of claim 3-7 is described, it is characterised in that the drive shaft identification sensing
Connected using the communications cable between device and piezoelectric quartz sensor, the communications cable is arranged in waterproof linker.
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| CN113963450A (en) * | 2021-09-30 | 2022-01-21 | 苏州朗为控制技术有限公司 | Vehicle driving shaft identification method |
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