CN106525323A - Vehicle tire pressure detection method and device - Google Patents
Vehicle tire pressure detection method and device Download PDFInfo
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- CN106525323A CN106525323A CN201611109638.4A CN201611109638A CN106525323A CN 106525323 A CN106525323 A CN 106525323A CN 201611109638 A CN201611109638 A CN 201611109638A CN 106525323 A CN106525323 A CN 106525323A
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- vehicle
- axle
- detection
- monitor station
- detection platen
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L17/00—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies
- G01L17/005—Devices or apparatus for measuring tyre pressure or the pressure in other inflated bodies using a sensor contacting the exterior surface, e.g. for measuring deformation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
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- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
- Tires In General (AREA)
Abstract
The embodiment of the invention discloses a vehicle tire pressure detection method and a device. The method comprises steps of acquiring time information and weight information of a vehicle when passing a detection bench, and attribute information of the detection bench; according to the time information and the attribute information, acquiring the speed of the vehicle when passing the detection bench; according to the time information, the attribute information and the speed of the vehicle when passing the detection bench, acquiring the ground connection length of the vehicle; and according to the weight information, the attribute information and the ground connection length of the vehicle, acquiring the tire pressure of the vehicle. According to the invention, by acquiring the time information of the vehicle passing the detection bench, the ground connection length of the vehicle is calculated, so the tire pressure of the vehicle can be detected. Compared with an onboard type tire pressure detection system, the provided detection method and the device are characterized in that the tire pressure monitoring of whole vehicles can be achieved.
Description
Technical field
The present embodiments relate to vehicular traffic technical field, and in particular to a kind of vehicle tyre pressure detection method and device.
Background technology
Research shows, the shared ratio in pernicious vehicle accident of the traffic accident caused by blowing out is very high, and all can make
Into in the factor blown out, tire pressure is not enough works as first cause.The contact area of tire and ground when tire pressure is too high, can be reduced, and
The now relative raising of pressure born by tire, the earth-grasping force of tire can be affected.In addition, when vehicle is through ditch or jolts
During road surface, in tire, no sufficient space absorbs vibrations, in addition to the stability of impact traveling and riding comfort, can also cause
Impact to suspension puts more effort, and thus also brings along harm.Equally, tire pressure is too low, except increasing oil consumption and make
Outside tire excessive wear, when running at high speed, tire bending amplitude is excessive, and heat production is excessive, and steel wire is easily broken, can cause to blow out.
Tire earth-grasping force can be caused inconsistent simultaneously as vehicle tyre pressure is inconsistent, so as to there is brake side-slipping situation.
Vehicle tyre pressure monitoring system is mainly monitored and is pointed out to the tire pressure during traveling, aids in driver
The abnormal conditions of tire are processed, accident generation is prevented effectively from, is served important work in traffic administration, traffic safety
With.
During the embodiment of the present invention is realized, inventor has found that current tire pressure monitoring system is vehicle mounted system,
Implementation is to install the tire pressure of speed probe or tyre pressure sensor monitoring bicycle tire with the presence or absence of exception in vehicle tyre,
But this scheme presence is only capable of monitoring the tire pressure data of the vehicle for being provided with the tire pressure monitoring system, and cannot monitor other vehicles
Tire pressure monitoring data.
The content of the invention
One purpose of the embodiment of the present invention is to solve the problems, such as that prior art cannot monitor the tire pressure data of rolling stock.
The embodiment of the present invention proposes a kind of vehicle tyre pressure detection method, including：
Obtain attribute information of the vehicle through the temporal information, weight information and the monitor station of monitor station；
Speed of the vehicle through monitor station is obtained according to the temporal information and the attribute information；
The vehicle is obtained according to the speed of the temporal information, the attribute information and the vehicle through monitor station
Ground contact length；
The tire pressure of the vehicle is obtained according to the ground contact length of the weight information, the attribute information and vehicle.
Optionally, the monitor station includes：First detection platen and the second detection platen, the attribute information of the monitor station
Including：The first detection platen and the second detection length of platen, width and the first detection platen and described
Spacing between second detection platen；
Correspondingly, it is described that speed of the vehicle through monitor station is obtained according to the temporal information and the attribute information
Including：
Speed of the vehicle through monitor station is obtained according to formula one；
Wherein, viThe speed of detection platen is passed through for i-th axle of the vehicle, L is the described first detection platen or described
Width of the second detection platen along direction of traffic, d are along driving between the described first detection platen and the second detection platen
The spacing in direction, tOn i1Be i-th axle of the vehicle through described first detection platen the upper scale moment, tOn i2For the vehicle
Upper scale moment of i-th axle through the described second detection platen.
Optionally, it is described according to the temporal information, the attribute information and the vehicle through monitor station speed
The ground contact length for obtaining the vehicle includes：
The ground contact length of vehicle is obtained according to formula two and three；
si1=(tUnder i1-tOn i1)×vi- L formula two
si2=(tUnder i2-tOn i2)×vi- L formula three
Wherein, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the right wheel of i-th axle of vehicle
Ground contact length, tUnder i1Be i-th axle of the vehicle through described first detection platen the lower scale moment, tUnder i2For the vehicle i-th
Lower scale moment of the individual axle through the described second detection platen.
Optionally, the tire of the vehicle is obtained according to the ground contact length of the weight information, the attribute information and vehicle
Briquetting is included：
The ground contact length of vehicle is obtained according to formula four and five；
Wherein, Pi1For the tire pressure of the revolver of i-th axle of vehicle, Pi2For the tire of the right wheel of i-th axle of vehicle
Pressure, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground contact length of the right wheel of i-th axle of vehicle, w
For the width of tire, Gi1For the wheel weight of the revolver of i-th axle of vehicle, Gi2For the wheel of the right wheel of i-th axle of vehicle
Weight.
Optionally, methods described also includes：
The vehicle tyre pressure and preset rules obtained according to detection judges whether the tire pressure of the vehicle is normal.
The embodiment of the present invention proposes a kind of vehicle tyre pressure detection means, including：
Acquisition module, for obtaining category of the vehicle through the temporal information, weight information and the monitor station of monitor station
Property information；
First processing module, for obtaining the vehicle through monitor station according to the temporal information and the attribute information
Speed；
Second processing module, for according to the temporal information, the attribute information and the vehicle through monitor station
Speed obtain the ground contact length of the vehicle；
3rd processing module, for obtaining institute according to the ground contact length of the weight information, the attribute information and vehicle
State the tire pressure of vehicle.
Optionally, the monitor station includes：First detection platen and the second detection platen, the attribute information of the monitor station
Including：The first detection platen and the second detection length of platen, width and the first detection platen and described
Spacing between second detection platen；
Correspondingly, the first processing module, specifically for obtaining speed of the vehicle through monitor station according to formula one
Degree；
Wherein, viThe speed of detection platen is passed through for i-th axle of the vehicle, L is the described first detection platen or described
Width of the second detection platen along direction of traffic, d are along driving between the described first detection platen and the second detection platen
The spacing in direction, tOn i1Be i-th axle of the vehicle through described first detection platen the upper scale moment, tOn i2For the vehicle
Upper scale moment of i-th axle through the described second detection platen.
Optionally, the Second processing module, specifically for obtaining the ground contact length of vehicle according to formula two and three；
si1=(tUnder i1-tOn i1)×vi- L formula two
si2=(tUnder i2-tOn i2)×vi- L formula three
Wherein, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the right wheel of i-th axle of vehicle
Ground contact length, tUnder i1Be i-th axle of the vehicle through described first detection platen the lower scale moment, tUnder i2For the vehicle i-th
Lower scale moment of the individual axle through the described second detection platen.
Optionally, the 3rd processing module, specifically for obtaining the ground contact length of vehicle according to formula four and five；
Wherein, Pi1For the tire pressure of the revolver of i-th axle of vehicle, Pi2For the tire of the right wheel of i-th axle of vehicle
Pressure, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground contact length of the right wheel of i-th axle of vehicle, w
For the width of tire, Gi1For the wheel weight of the revolver of i-th axle of vehicle, Gi2For the wheel of the right wheel of i-th axle of vehicle
Weight.
Optionally, described device also includes：Judge module；
The judge module, the vehicle tyre pressure and preset rules for being obtained according to detection judge that the tire pressure of the vehicle is
It is no normal.
As shown from the above technical solution, the embodiment of the present invention propose a kind of vehicle tyre pressure detection method and device by
Monitor station, and collection vehicle are set on driving path through the temporal information of monitor station, to calculate the ground contact length for obtaining vehicle,
The tire pressure of vehicle is further detected, the tire of rolling stock compared with the system for detecting tire pressure of vehicular in prior art, can be realized
Pressure monitoring.
Description of the drawings
The features and advantages of the present invention can be more clearly understood from by reference to accompanying drawing, accompanying drawing is schematic and should not manage
Solution is to carry out any restriction to the present invention, in the accompanying drawings：
Fig. 1 shows the application scenario diagram of the embodiment of the present invention；
Fig. 2 shows the schematic flow sheet of the vehicle tyre pressure detection method that one embodiment of the invention is provided；
Fig. 3 shows the schematic flow sheet of the vehicle tyre pressure detection method that another embodiment of the present invention is provided；
Fig. 4 shows the structural representation of the vehicle tyre pressure detection means that one embodiment of the invention is provided.
Specific embodiment
For making purpose, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than the embodiment of whole.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment obtained on the premise of creative work is not made by member, belongs to the scope of protection of the invention.
Fig. 1 shows the application scenario diagram of the embodiment of the present invention, referring to Fig. 1, includes in the application scenarios：Monitor station
110th, data acquisition unit 120 and the processor 130 being connected with data acquisition unit 120, wherein：
Direction of traffic of the direction of arrow for vehicle, in addition, in order to improve systematic difference scope, monitor station 110 can be
Weighing unit of the prior art.
In data acquisition unit of the vehicle along the direction of traffic shown in arrow during monitor station 110, in system
The travelling data of 120 collection vehicles, and the travelling data of collection is sent to processor 130, it is based on by processor 130 and is received
Travelling data calculate obtain vehicle tire pressure.
Fig. 2 shows the schematic flow sheet of the vehicle tyre pressure detection method that one embodiment of the invention is provided, referring to Fig. 2, should
Method specifically includes following steps by processor realization：
210th, obtain attribute information of the vehicle through the temporal information, weight information and the monitor station of monitor station；
It should be noted that monitor station can be the designated area, or weighing system being provided separately within path
In weighing unit.If monitor station is separately provided, monitor station can be arranged on weighing unit along the front of direction of traffic, with car
The weight information of vehicle is obtained before monitor station；If monitor station is weighing unit, vehicle through monitor station mistake
The weight information of vehicle is obtained in journey.
In vehicle during monitor station, by data acquisition unit, for example：The collecting vehicles such as sensor, timer
Through monitor station temporal information and correspondence the moment weight information.
And it is understandable be to obtain during the attribute information of monitor station configuration monitor station.
220th, speed of the vehicle through monitor station is obtained according to the temporal information and the attribute information；
230th, according to the temporal information, the attribute information and the vehicle are obtained through the speed of monitor station
The ground contact length of vehicle；
240th, the tire pressure of the vehicle is obtained according to the ground contact length of the weight information, the attribute information and vehicle.
It should be noted that processor is after the travelling data that data acquisition unit collection sends is received, according to driving
The attribute information of the monitor station of data and pre-stored, calculates the tire pressure for obtaining vehicle by default algorithm.
It can be seen that, the present embodiment is by arranging monitor station on driving path, and collection vehicle was believed through the time of monitor station
Breath, the ground contact length of calculating acquisition vehicle, and then the tire pressure of vehicle is detected, the tire pressure detection system with vehicular in prior art
System is compared, and can realize the tire pressure monitoring of rolling stock.
Below the step in the present embodiment is described in detail：
Referring to Fig. 1, monitor station 110 includes：First detection platen 111 and the second detection platen 112, the monitor station 110
Attribute information include：The first detection platen 111 and the second detection length L of platen 112, width d and described
Spacing d between first detection platen 111 and the second detection platen 112；
In addition, it is necessary to explanation, by taking first axle of vehicle as an example, obtains first axle first through the first monitor station
The upper scale moment t of plate 111On 11With lower scale moment tUnder 11, upper scale moment t of first axle through the second detection platen 112On 21With under
Scale moment tUnder 21, by that analogy i-th axle through first detection platen 111 the upper scale moment be expressed as tOn i1With the lower scale moment
tUnder i1, i-th axle through second detection platen 112 the upper scale moment be expressed as tOn i2With lower scale moment tUnder i2；
Based on above-mentioned data, step 220 includes：
Speed of the vehicle through monitor station is obtained according to formula one；
Wherein, viThe speed of detection platen is passed through for i-th axle of the vehicle, L is the described first detection platen or described
Width of the second detection platen along direction of traffic, d are along driving between the described first detection platen and the second detection platen
The spacing in direction, tOn i1Be i-th axle of the vehicle through described first detection platen the upper scale moment, tOn i2For the vehicle
Upper scale moment of i-th axle through the described second detection platen.
Step 230 includes：
The ground contact length of vehicle is obtained according to formula two and three；
si1=(tUnder i1-tOn i1)×vi- L formula two
si2=(tUnder i2-tOn i2)×vi- L formula three
Wherein, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the right wheel of i-th axle of vehicle
Ground contact length, tUnder i1Be i-th axle of the vehicle through described first detection platen the lower scale moment, tUnder i2For the vehicle i-th
Lower scale moment of the individual axle through the described second detection platen.
In step 240, the principle for obtaining weight information is as follows：
Its process is illustrated by taking first axle of vehicle as an example, and the revolver for obtaining first axle first detects platen through first
111 weight information G11, the right wheel of first axle is through the second weight information G for detecting platen 11212, i-th by that analogy
The revolver of axle is expressed as G through the weight information of the first detection platen 111i1, the right wheel of i-th axle is through the second detection platen
112 weight information is expressed as Gi2；
And then the ground contact length of vehicle is obtained according to formula four and five；
Wherein, Pi1For the tire pressure of the revolver of i-th axle of vehicle, Pi2For the tire of the right wheel of i-th axle of vehicle
Pressure, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground contact length of the right wheel of i-th axle of vehicle, w
For the width of tire, Gi1For the wheel weight of the revolver of i-th axle of vehicle, Gi2For the wheel of the right wheel of i-th axle of vehicle
Weight.
It should be noted that the width of tire is the data for prestoring, as the tyre width of each vehicle differs less,
Therefore, herein not with tyre width as key factor.For further reducing impact of the tyre width to testing result, can be by arranging
The mode of weight, the impact of tyre width is preferably minimized.
Fig. 3 shows the schematic flow sheet of the vehicle tyre pressure detection method that another embodiment of the present invention is provided, referring to Fig. 3,
The method specifically includes following steps by processor realization：
310th, detection obtains the tire pressure of vehicle；
It should be noted that the scheme of detection vehicle tyre pressure is identical with the scheme in the corresponding embodiments of Fig. 2, therefore, herein not
Repeat again.
320th, the vehicle tyre pressure and preset rules obtained according to detection judges whether the tire pressure of the vehicle is normal.
It should be noted that the principle of step 320 is the pressure of tire and safety tyre pressure upper limit threshold and safety that will be obtained
Tire pressure lower threshold is compared, to judge the state of tire pressure；
The Rule of judgment of each state of tire pressure is as follows：
Tire pressure is normal：
PLower threshold≤Pi1≤PUpper limit threshold
2×PLower threshold≤Pi1≤2×PUpper limit threshold
PLower threshold≤Pi2≤PUpper limit threshold
2×PLower threshold≤Pi2≤2×PUpper limit threshold
Tire pressure is low：
Pi1<PLower threshold
Pi2<PLower threshold
Tire pressure is higher：
Pi1>2×PUpper limit threshold
Pi1>2×PUpper limit threshold
Abnormal tyre pressure：
PUpper limit threshold<Pi2<2×PLower threshold
PUpper limit threshold<Pi2<2×PLower threshold
Wherein, Pi1For the tire pressure of the revolver of i-th axle, Pi2For the tire pressure of the right wheel of i-th axle, PUpper limit thresholdFor safety tyre pressure
Upper limit threshold, PLower thresholdFor safety tyre pressure lower threshold.
330th, tire pressure state is carried out into output display.
It should be noted that processor is carried out the tire pressure data known and tire pressure state transfer are monitored to system display
Show, or to being provided with onboard system, the vehicle of APP sends, with the tire pressure data of reminding driver current and tire pressure shape
State, improves the driving safety of vehicle.
For method embodiment, in order to be briefly described, therefore which is all expressed as a series of combination of actions, but ability
Field technique personnel should know that embodiment of the present invention is not limited by described sequence of movement, because according to the present invention
Embodiment, some steps can adopt other orders or while carry out.Secondly, those skilled in the art should also know,
Embodiment described in this description belongs to preferred implementation, involved action embodiment party not necessarily of the present invention
Necessary to formula.
Fig. 4 shows the structural representation of the vehicle tyre pressure detection means that one embodiment of the invention is provided, referring to Fig. 4, should
Device includes：Acquisition module 410, first processing module 420, Second processing module 430 and the 3rd processing module 440, wherein：
Acquisition module 410, for obtaining vehicle through the temporal information of monitor station, weight information and the monitor station
Attribute information；
First processing module 420, for obtaining the vehicle through inspection according to the temporal information and the attribute information
The speed of scaffold tower；
Second processing module 430, detects for being passed through according to the temporal information, the attribute information and the vehicle
The speed of platform obtains the ground contact length of the vehicle；
3rd processing module 440, for obtaining according to the ground contact length of the weight information, the attribute information and vehicle
The tire pressure of the vehicle.
It should be noted that when having detected vehicle and crossing monitor station, acquisition module 410 obtains the time letter of vehicle
The attribute information of breath, weight information corresponding with temporal information and the monitor station, and the information of acquisition is sent to first
Processing module 420, is calculated the speed for obtaining vehicle, and result of calculation is sent out by first processing module 420 based on the information for obtaining
Deliver to Second processing module 430, speed and temporal information, the category of the 3rd processing module 430 according to the vehicle for receiving
Property information calculate the ground contact length for obtaining vehicle, and result of calculation is sent to the 3rd processing module 440, by the 3rd processing module
440 tire pressures for obtaining vehicle according to the ground contact length and the weight information of vehicle, the attribute information.
In the present embodiment, the monitor station includes：First detection platen and the second detection platen, the attribute of the monitor station
Information includes：The first detection platen and the second detection length of platen, width and the first detection platen and
Spacing between the second detection platen；
Correspondingly, the first processing module 420, specifically for obtaining the vehicle through monitor station according to formula one
Speed；
Wherein, viThe speed of detection platen is passed through for i-th axle of the vehicle, L is the described first detection platen or described
Width of the second detection platen along direction of traffic, d are along driving between the described first detection platen and the second detection platen
The spacing in direction, tOn i1Be i-th axle of the vehicle through described first detection platen the upper scale moment, tOn i2For the vehicle
Upper scale moment of i-th axle through the described second detection platen.
Second processing module 430, specifically for obtaining the ground contact length of vehicle according to formula two and three；
si1=(tUnder i1-tOn i1)×vi- L formula two
si2=(tUnder i2-tOn i2)×vi- L formula three
Wherein, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the right wheel of i-th axle of vehicle
Ground contact length, tUnder i1Be i-th axle of the vehicle through described first detection platen the lower scale moment, tUnder i2For the vehicle i-th
Lower scale moment of the individual axle through the described second detection platen.
3rd processing module 440, specifically for obtaining the ground contact length of vehicle according to formula four and five；
Wherein, Pi1For the tire pressure of the revolver of i-th axle of vehicle, Pi2For the tire of the right wheel of i-th axle of vehicle
Pressure, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground contact length of the right wheel of i-th axle of vehicle, w
For the width of tire, Gi1For the wheel weight of the revolver of i-th axle of vehicle, Gi2For the wheel of the right wheel of i-th axle of vehicle
Weight.
It can be seen that, the present embodiment is by arranging monitor station on driving path, and collection vehicle was believed through the time of monitor station
Breath, the ground contact length of calculating acquisition vehicle, and then the tire pressure of vehicle is detected, the tire pressure detection system with vehicular in prior art
System is compared, and can realize the tire pressure monitoring of rolling stock.
In another possible embodiments, described device also includes：Judge module；
The judge module is connected with the 3rd processing module 440, for receiving the vehicle tyre pressure that the 3rd processing module sends,
And judge whether the tire pressure of the vehicle is normal according to vehicle tyre pressure and preset rules, and will determine that result carries out output display.
For device embodiments, due to itself and method embodiment basic simlarity, so description is fairly simple,
Related part is illustrated referring to the part of method embodiment.
It should be noted that in all parts of the device of the present invention, according to its function to be realized to therein
Part has carried out logical partitioning, but, the present invention is not only restricted to this, as needed all parts can be repartitioned or
Person combines.
The present invention all parts embodiment can be realized with hardware, or with one or more processor fortune
Capable software module is realized, or is realized with combinations thereof.In this device, PC is by realizing the Internet to equipment or device
Remotely control, accurately the step of each operation of control device or device.The present invention is also implemented as performing here
(for example, computer program and computer program are produced for some or all equipment of described method or program of device
Product).It is achieved in that the program of the present invention can be stored on a computer-readable medium, and the file or document tool that program is produced
Having can be statistical, produces data report and cpk reports etc., can carry out batch testing to power amplifier and count.It should be noted that on
The present invention will be described rather than limits the invention to state embodiment, and those skilled in the art are without departing from institute
Replacement embodiment can be designed in the case of the scope of attached claim.In the claims, should not be by between bracket
Any reference markss be configured to limitations on claims.Word "comprising" does not exclude the presence of unit not listed in the claims
Part or step.Word "a" or "an" before element does not exclude the presence of multiple such elements.The present invention can be borrowed
Help to include the hardware of some different elements and by means of properly programmed computer realizing.If listing equipment for drying
Unit claim in, several in these devices can be embodying by same hardware branch.Word first,
Secondth, and third use does not indicate that any order.These words can be construed to title.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can be without departing from this
Various modifications and variations are made in the case of bright spirit and scope, and such modification and modification are each fallen within by claims
Within limited range.
Claims (10)
1. a kind of vehicle tyre pressure detection method, it is characterised in that include：
Obtain attribute information of the vehicle through the temporal information, weight information and the monitor station of monitor station；
Speed of the vehicle through monitor station is obtained according to the temporal information and the attribute information；
Connecing for the vehicle is obtained according to the speed of the temporal information, the attribute information and the vehicle through monitor station
Ground length；
The tire pressure of the vehicle is obtained according to the ground contact length of the weight information, the attribute information and vehicle.
2. method according to claim 1, it is characterised in that the monitor station includes：First detection platen and the second inspection
Scaffold tower plate, the attribute information of the monitor station include：The length of the first detection platen and the second detection platen, width
And the spacing between the first detection platen and the second detection platen；
Correspondingly, it is described that speed bag of the vehicle through monitor station is obtained according to the temporal information and the attribute information
Include：
Speed of the vehicle through monitor station is obtained according to formula one；
Wherein, viThe speed of detection platen is passed through for i-th axle of the vehicle, L is the described first detection platen or second inspection
Width of the scaffold tower plate along direction of traffic, d are along direction of traffic between the first detection platen and the second detection platen
Spacing, tOn i1Be i-th axle of the vehicle through described first detection platen the upper scale moment, tOn i2For i-th axle of the vehicle
Through the upper scale moment of the described second detection platen.
3. method according to claim 2, it is characterised in that it is described according to the temporal information, the attribute information with
And the vehicle includes through the ground contact length of the speed acquisition vehicle of monitor station：
The ground contact length of vehicle is obtained according to formula two and three；
si1=(tUnder i1-tOn i1)×vi- L formula two
si2=(tUnder i2-tOn i2)×vi- L formula three
Wherein, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground connection of the right wheel of i-th axle of vehicle
Length, tUnder i1Be i-th axle of the vehicle through described first detection platen the lower scale moment, tUnder i2For i-th axle of the vehicle
Through the lower scale moment of the described second detection platen.
4. method according to claim 2, it is characterised in that according to the weight information, the attribute information and vehicle
Ground contact length obtain the tire pressure of the vehicle and include：
The ground contact length of vehicle is obtained according to formula four and five；
Wherein, Pi1For the tire pressure of the revolver of i-th axle of vehicle, Pi2For the tire pressure of the right wheel of i-th axle of vehicle, si1
For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground contact length of the right wheel of i-th axle of vehicle, w is tire
Width, Gi1For the wheel weight of the revolver of i-th axle of vehicle, Gi2For the wheel weight of the right wheel of i-th axle of vehicle.
5. the method according to any one of claim 1-4, it is characterised in that methods described also includes：
The vehicle tyre pressure and preset rules obtained according to detection judges whether the tire pressure of the vehicle is normal.
6. a kind of vehicle tyre pressure detection means, it is characterised in that include：
Acquisition module, believes through the attribute of the temporal information, weight information and the monitor station of monitor station for obtaining vehicle
Breath；
First processing module, for obtaining speed of the vehicle through monitor station according to the temporal information and the attribute information
Degree；
Second processing module, for according to the temporal information, the attribute information and the vehicle through monitor station speed
Degree obtains the ground contact length of the vehicle；
3rd processing module, for obtaining the car according to the ground contact length of the weight information, the attribute information and vehicle
Tire pressure.
7. device according to claim 6, it is characterised in that the monitor station includes：First detection platen and the second inspection
Scaffold tower plate, the attribute information of the monitor station include：The length of the first detection platen and the second detection platen, width
And the spacing between the first detection platen and the second detection platen；
Correspondingly, the first processing module, specifically for obtaining speed of the vehicle through monitor station according to formula one；
Wherein, viThe speed of detection platen is passed through for i-th axle of the vehicle, L is the described first detection platen or second inspection
Width of the scaffold tower plate along direction of traffic, d are along direction of traffic between the first detection platen and the second detection platen
Spacing, tOn i1Be i-th axle of the vehicle through described first detection platen the upper scale moment, tOn i2For i-th axle of the vehicle
Through the upper scale moment of the described second detection platen.
8. device according to claim 7, it is characterised in that the Second processing module, specifically for according to formula two
With three ground contact lengths for obtaining vehicle；
si1=(tUnder i1-tOn i1)×vi- L formula two
si2=(tUnder i2-tOn i2)×vi- L formula three
Wherein, si1For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground connection of the right wheel of i-th axle of vehicle
Length, tUnder i1Be i-th axle of the vehicle through described first detection platen the lower scale moment, tUnder i2For i-th axle of the vehicle
Through the lower scale moment of the described second detection platen.
9. device according to claim 7, it is characterised in that the 3rd processing module, specifically for according to formula four
With five ground contact lengths for obtaining vehicle；
Wherein, Pi1For the tire pressure of the revolver of i-th axle of vehicle, Pi2For the tire pressure of the right wheel of i-th axle of vehicle, si1
For the ground contact length of the revolver of i-th axle of vehicle, si2For the ground contact length of the right wheel of i-th axle of vehicle, w is tire
Width, Gi1For the wheel weight of the revolver of i-th axle of vehicle, Gi2For the wheel weight of the right wheel of i-th axle of vehicle.
10. the device according to any one of claim 7-9, it is characterised in that described device also includes：Judge module；
The judge module, for according to detection obtain vehicle tyre pressure and preset rules judge the vehicle tire pressure whether just
Often.
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| CN109334356A (en) * | 2018-12-05 | 2019-02-15 | 睿驰达新能源汽车科技（北京）有限公司 | A kind of tire pressure detection method, device and vehicle |
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