CN106183662B - Tire condition detection method and device - Google Patents
Tire condition detection method and device Download PDFInfo
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- CN106183662B CN106183662B CN201610544008.3A CN201610544008A CN106183662B CN 106183662 B CN106183662 B CN 106183662B CN 201610544008 A CN201610544008 A CN 201610544008A CN 106183662 B CN106183662 B CN 106183662B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/06—Signalling devices actuated by deformation of the tyre, e.g. tyre mounted deformation sensors or indirect determination of tyre deformation based on wheel speed, wheel-centre to ground distance or inclination of wheel axle
-
- 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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Radar Systems Or Details Thereof (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The invention discloses a kind of tire condition detection methods, including：When vehicle is in transport condition, emit multiple radar waves to the tire in rotation status, and receives the radar wave of corresponding reflection；According to the relevant information of transmitting and the radar wave of reflection, radar emission point is calculated to the distance between radar reflection point on tire, and according to the distance, calculates the angle of inclination of tire or vehicle；According to the correspondence at preset angle of inclination and tire condition, the angle of inclination is analyzed, determines that current tire condition, the tire condition include at least one or more in tire wear, tire positioning, tire pressure.The invention also discloses a kind of tire condition detecting devices.The present invention can realize that the tire condition in running car judges, to provide safe driving environment for car owner.
Description
Technical field
The present invention relates to technical field of vehicle detection more particularly to tire condition detection method and device.
Background technology
Tire condition be well vehicle safe driving primary guarantee.In existing tire condition detection technique, usually all
It carries out, and is mostly detected using manual identified mode in a state where the vehicle is immobile.And in a practical situation, i.e.,
So that the user under transport condition is also had very high understanding demand for tire condition, but can only be realized in existing way
Detection for a certain type tire condition, such as the survey of tire pressure, tire temperature detector etc., thus cannot more fully understand each of tire
Class state.
Invention content
The main purpose of the present invention is to provide a kind of tire condition detection method and device, it is intended to solve to travel in vehicle
Under state, more fully the technical issues of detection tire various states.
To achieve the above object, the present invention provides a kind of tire condition detection method, the tire condition detection method packet
It includes：
When vehicle is in transport condition, emit multiple radar waves to the tire in rotation status, and receives corresponding anti-
The radar wave penetrated；
According to the relevant information of transmitting and the radar wave of reflection, radar emission point is calculated between radar reflection point on tire
Distance, and according to the distance, calculate the angle of inclination of tire or vehicle；
According to the correspondence at preset angle of inclination and tire condition, the angle of inclination is analyzed, determines current wheel
Tire state, the tire condition include at least one or more in tire wear, tire positioning, tire pressure.
Preferably, described when vehicle is in transport condition, emit multiple radar wave packets to the tire in rotation status
It includes：
When vehicle is in transport condition, according to current vehicle travel speed and tire size, present tire rotating speed is calculated
For the interval time of adjustment transmitting radar wave, and according to the interval time, emit radar to the tire in rotation status
Wave.
Preferably, described according to the distance, the angle of inclination for calculating tire or vehicle includes：
According to the distance corresponding to multiple radar reflection points, the distance between radar reflection point difference is calculated；
When the range difference is more than preset difference value, tire or vehicle run-off the straight are determined；
According to the launch angle of the range difference, radar wave, corresponding angle of inclination is calculated.
Preferably, radar wave is emitted using symmetric mode.
Further, to achieve the above object, the present invention also provides a kind of tire condition detecting device, the tire conditions
Detection device includes：
Detection module, for when vehicle is in transport condition, emitting multiple radar waves to the tire in rotation status,
And receive the radar wave of corresponding reflection；
Computing module is calculated for the relevant information according to transmitting and the radar wave of reflection on radar emission point to tire
The distance between radar reflection point, and according to the distance, calculate the angle of inclination of tire or vehicle；
State determining module analyzes the inclination for the correspondence according to preset angle of inclination and tire condition
Angle determines current tire condition.
Preferably, the detection module is additionally operable to：
When vehicle is in transport condition, according to current vehicle travel speed and tire size, present tire rotating speed is calculated
For the interval time of adjustment transmitting radar wave, and according to the interval time, emit radar to the tire in rotation status
Wave.
Preferably, the computing module is additionally operable to：
According to the distance corresponding to multiple radar reflection points, the distance between radar reflection point difference is calculated；
When the range difference is more than preset difference value, tire or vehicle run-off the straight are determined；
According to the launch angle of the range difference, radar wave, corresponding angle of inclination is calculated.
Preferably, radar wave is emitted using symmetric mode.
The present invention by the way of emitting radar wave, according to radar emission point between radar reflection point on tire away from
From, the angle of inclination of calculating tire or vehicle, and then further according to the correspondence at preset angle of inclination and tire condition, pass through
The angle of inclination is analyzed, so that it is determined that current tire condition.The present invention can realize that the tire condition in running car is sentenced
It is disconnected, to provide safe driving environment for car owner.
Description of the drawings
Fig. 1 is the flow diagram of one embodiment of tire condition detection method of the present invention；
The refinement flow diagram of step S20 in Fig. 2 Fig. 1；
Fig. 3 is the high-level schematic functional block diagram of one embodiment of tire condition detecting device of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that described herein, specific examples are only used to explain the present invention, is not intended to limit the present invention.
Referring to Fig.1, Fig. 1 is the flow diagram of one embodiment of tire condition detection method of the present invention.In the present embodiment, institute
Stating tire condition detection method includes：
Step S10 emits multiple radar waves, and connect when vehicle is in transport condition to the tire in rotation status
Receive the radar wave of corresponding reflection；
In the present embodiment, the transmitting for the quantity of radar transmit-receive device, installation site, the type of radar wave and radar
Mode is unlimited, is configured with specific reference to actual needs.For example each wheel or each group of wheel correspond to a radar transmit-receive device；
Such as it is radar transmit-receive device is first-class mounted on vehicle chassis.
It will accordingly cause the shape of tire to change in general, the state of tire changes, even result in vehicle entirety
Run-off the straight.Such as tire wear will cause the thickness reduction of tire namely road clearance to reduce；For example, the tire pressure of tire is not
Foot, will cause tire that flat variation namely tire and ground contact portion is presented becomes more to be bent.
Therefore, in the present embodiment, based on the various features caused by the variation of above-mentioned tire condition, by emitting radar wave
Mode realizes the judgement to vehicle tyre state indirectly.
To avoid consume of the radar wave in communication process, therefore, preferred emission power higher, propagation road in the present embodiment
Diameter is more biased towards the electromagnetic wave of straight line.Meanwhile vehicle is in the process of moving, if keeping the transmitting position of radar transmit-receive dress constant,
Repeatedly transmitting radar wave can correspond to the different location on detection tire, and then the comprehensive each reflection radar wave received, calculate
Corresponding radar emission point is to the distance between radar reflection point on tire, or the launch angle of adjustment radar wave, to calculate
Corresponding radar emission point is to the distance between radar reflection point on tire.
It is anti-to radar on tire to calculate radar emission point according to the relevant information of transmitting and the radar wave of reflection by step S20
The distance between exit point, and according to the distance, calculate the angle of inclination of tire or vehicle；
In the present embodiment, launch time, reflection interval that specifically can be according to radar wave, determine on radar emission point to tire
The distance between radar reflection point.Assuming that distance is L, launch time t1, reflection interval t2, then L=(t2-t1) * C, C are
The light velocity.
In the present embodiment, according to calculating to radar emission point to the distance between radar reflection point on tire, you can
The angle of inclination of tire or vehicle is calculated, specific calculation is unlimited.Wherein, there are many reason of causing tire run-off the straight, example
The out-of-flatness on such as road surface, tire installation positioning not just, if radar transmit-receive device in a manner of being parallel to ground level to tyre side
Radar wave is penetrated in face distribution, if the non-run-off the straight of tire, each radar reflection point is the distance between to radar emission point on tire
Should be theoretically identical, and if differ, it is determined that tire is tilted.Similarly, when abrasion or tire pressure occur for tire not
When sufficient, vehicle run-off the straight will be caused, specifically can also be counted to the distance between radar reflection point on tire by radar emission point
Calculation obtains corresponding angle of inclination.
In addition, can also be further according to the distance L compared in different time sections, if in different time sections in the present embodiment
Distance change △ L be more than certain preset value, it is determined that tire condition changes.
Step S30 analyzes the angle of inclination according to the correspondence at preset angle of inclination and tire condition, determines
Current tire condition, the tire condition include at least one or more in tire wear, tire positioning, tire pressure.
, can be for statistical analysis previously according to the sample data of acquisition in the present embodiment, to obtain angle of inclination and wheel
The correspondence of tire state.It should be noted that the angle of inclination described in the present embodiment includes not only angle value, further include inclining
Oblique direction.For example, preceding left tire run-off the straight, while front right tire, all left tire direction run-off the straights forward of rear right tire,
It then can determine that the tire pressure of preceding left tire is insufficient.
Optionally, the symmetry based on tire (circle) and vehicle tyre symmetry (tire of front two is symmetrical, after
Two, face tire is symmetrical or four tires are all symmetrical), therefore, radar wave is emitted using symmetric mode, to improve analysis result
Accuracy.For example, emitting respectively to symmetrical tire, or emit radar wave to the symmetric position of same tire simultaneously.
In the present embodiment, by the way of emitting radar wave, according to radar emission point between radar reflection point on tire
Distance, calculate the angle of inclination of tire or vehicle, and then further according to the correspondence at preset angle of inclination and tire condition,
By analyzing the angle of inclination, so that it is determined that current tire condition.The present embodiment can realize the tire in running car
Condition adjudgement, to provide safe driving environment for car owner.
Optionally, in one embodiment of tire condition detection method of the present invention, above method first embodiment, this reality are based on
It applies in example, above-mentioned steps S10 further comprises：
When vehicle is in transport condition, according to current vehicle travel speed and tire size, present tire rotating speed is calculated
For the interval time of adjustment transmitting radar wave, and according to the interval time, emit radar to the tire in rotation status
Wave.
To ensure that the validity of emitting radar waves, such as radar reflection point are needed positioned at multiple and different regions of tire position
It sets, it is thus necessary to determine that the emission duration of radar wave.In the present embodiment, in vehicle travel process, according to current vehicle
Travel speed and tire size calculate present tire rotating speed, and the interval of transmitting radar wave is adjusted according to present tire rotating speed
Time, to ensure that the point of the radar reflection on tire is not overlapped while can cover entire tire region.
The refinement flow diagram of step S20 in reference Fig. 2, Fig. 2 Fig. 1.Based on each embodiment of the above method, the present embodiment
In, above-mentioned steps S20 includes：
Step S201 calculates the distance between radar reflection point according to the distance corresponding to multiple radar reflection points
Difference；
Step S202 determines tire or vehicle run-off the straight when the range difference is more than preset difference value；
Step S203 calculates corresponding angle of inclination according to the distance, the launch angle of radar wave.
In the present embodiment, since tire condition changes, respective change is generated so as to cause Tire aspect, therefore, wheel
Profile variation on tire specifically can carry out indirect measure by the distance between radar reflection point difference.Meanwhile to avoid generating mistake
Sentence, a preset difference value can be correspondingly arranged, if the distance difference is more than the preset difference value, it is determined that tire or vehicle run-off the straight.
If it is determined that tire or vehicle run-off the straight, then inclining for tire or vehicle can be calculated according to the launch angle of distance by radar, radar wave
Rake angle, specific calculating process, which is not done, excessively to be repeated.
In the present embodiment, it is contemplated that vehicle tyre by vehicle weight influenced and deform upon namely deformed set in be ground
Surface contact part point, therefore, to avoid judging by accident, the data that can integrate four tires carry out global alignment determination.
In addition, in the present embodiment, either keeping the launch angle of radar transmit-receive device constant, to detect on tire
Special state, which occurs change in location not with the rotation of tire, such as tire bulge, crackle etc..Meanwhile also
It to realize the detection to tire different location region, for example can be detected by adjusting the launch angle of radar transmit-receive device
Tire and ground-contacting position region and non-contacting position region, to judge tire according to corresponding determining angle of inclination
Tire pressure whether abundance etc..
It is the high-level schematic functional block diagram of one embodiment of tire condition detecting device of the present invention with reference to Fig. 3, Fig. 3.The tire
Condition checkout gear includes：
Detection module 10, for when vehicle is in transport condition, emitting multiple radars to the tire in rotation status
Wave, and receive the radar wave of corresponding reflection；
In the present embodiment, the transmitting for the quantity of radar transmit-receive device, installation site, the type of radar wave and radar
Mode is unlimited, is configured with specific reference to actual needs.For example each wheel or each group of wheel correspond to a radar transmit-receive device；
Such as it is radar transmit-receive device is first-class mounted on vehicle chassis.
It will accordingly cause the shape of tire to change in general, the state of tire changes, even result in vehicle entirety
Run-off the straight.Such as tire wear will cause the thickness reduction of tire namely road clearance to reduce；For example, the tire pressure of tire is not
Foot, will cause tire that flat variation namely tire and ground contact portion is presented becomes more to be bent.
Therefore, in the present embodiment, based on the various features caused by the variation of above-mentioned tire condition, by emitting radar wave
Mode realizes the judgement to vehicle tyre state indirectly.
To avoid consume of the radar wave in communication process, therefore, preferred emission power higher, propagation road in the present embodiment
Diameter is more biased towards the electromagnetic wave of straight line.Meanwhile vehicle is in the process of moving, if keeping the transmitting position of radar transmit-receive dress constant,
Repeatedly transmitting radar wave can correspond to the different location on detection tire, and then the comprehensive each reflection radar wave received, calculate
Corresponding radar emission point is to the distance between radar reflection point on tire, or the launch angle of adjustment radar wave, to calculate
Corresponding radar emission point is to the distance between radar reflection point on tire.
Computing module 20 calculates radar emission point to tire for the relevant information according to transmitting and the radar wave of reflection
The distance between upper radar reflection point, and according to the distance, calculate the angle of inclination of tire or vehicle；
In the present embodiment, launch time, reflection interval that specifically can be according to radar wave, determine on radar emission point to tire
The distance between radar reflection point.Assuming that distance is L, launch time t1, reflection interval t2, then L=(t2-t1) * C, C are
The light velocity.
In the present embodiment, according to calculating to radar emission point to the distance between radar reflection point on tire, you can
The angle of inclination of tire or vehicle is calculated, specific calculation is unlimited.Wherein, there are many reason of causing tire run-off the straight, example
The out-of-flatness on such as road surface, tire installation positioning not just, if radar transmit-receive device in a manner of being parallel to ground level to tyre side
Radar wave is penetrated in face distribution, if the non-run-off the straight of tire, each radar reflection point is the distance between to radar emission point on tire
Should be theoretically identical, and if differ, it is determined that tire is tilted.Similarly, when abrasion or tire pressure occur for tire not
When sufficient, vehicle run-off the straight will be caused, specifically can also be counted to the distance between radar reflection point on tire by radar emission point
Calculation obtains corresponding angle of inclination.
In addition, can also be further according to the distance L compared in different time sections, if in different time sections in the present embodiment
Distance change △ L be more than certain preset value, it is determined that tire condition changes.
State determining module 30 inclines for the correspondence according to preset angle of inclination and tire condition described in analysis
Rake angle determines current tire condition.
, can be for statistical analysis previously according to the sample data of acquisition in the present embodiment, to obtain angle of inclination and wheel
The correspondence of tire state.It should be noted that the angle of inclination described in the present embodiment includes not only angle value, further include inclining
Oblique direction.For example, preceding left tire run-off the straight, while front right tire, all left tire direction run-off the straights forward of rear right tire,
It then can determine that the tire pressure of preceding left tire is insufficient.
Optionally, the symmetry based on tire (circle) and vehicle tyre symmetry (tire of front two is symmetrical, after
Two, face tire is symmetrical or four tires are all symmetrical), therefore, radar wave is emitted using symmetric mode, to improve analysis result
Accuracy.For example, emitting respectively to symmetrical tire, or emit radar wave to the symmetric position of same tire simultaneously.
In the present embodiment, by the way of emitting radar wave, according to radar emission point between radar reflection point on tire
Distance, calculate the angle of inclination of tire or vehicle, and then further according to the correspondence at preset angle of inclination and tire condition,
By analyzing the angle of inclination, so that it is determined that current tire condition.The present embodiment can realize the tire in running car
Condition adjudgement, to provide safe driving environment for car owner.
Optionally, in one embodiment of tire condition detecting device of the present invention, the detection module 10 is additionally operable to：Work as vehicle
When in transport condition, according to current vehicle travel speed and tire size, measuring and calculating present tire rotating speed emits thunder for adjustment
Up to the interval time of wave, and according to the interval time, emit radar wave to the tire in rotation status.
To ensure that the validity of emitting radar waves, such as radar reflection point are needed positioned at multiple and different regions of tire position
It sets, it is thus necessary to determine that the emission duration of radar wave.In the present embodiment, in vehicle travel process, according to current vehicle
Travel speed and tire size calculate present tire rotating speed, and the interval of transmitting radar wave is adjusted according to present tire rotating speed
Time, to ensure that the point of the radar reflection on tire is not overlapped while can cover entire tire region.
Optionally, in one embodiment of tire condition detecting device of the present invention, the computing module 20 is additionally operable to：
According to the distance corresponding to multiple radar reflection points, the distance between radar reflection point difference is calculated；
When the range difference is more than preset difference value, tire or vehicle run-off the straight are determined；
According to the distance, the launch angle of radar wave, corresponding angle of inclination is calculated.
In the present embodiment, since tire condition changes, respective change is generated so as to cause Tire aspect, therefore, wheel
Profile variation on tire specifically can carry out indirect measure by the distance between radar reflection point difference.Meanwhile to avoid generating mistake
Sentence, a preset difference value can be correspondingly arranged, if the distance difference is more than the preset difference value, it is determined that tire or vehicle run-off the straight.
If it is determined that tire or vehicle run-off the straight, then inclining for tire or vehicle can be calculated according to the launch angle of distance by radar, radar wave
Rake angle, specific calculating process, which is not done, excessively to be repeated.
In the present embodiment, it is contemplated that vehicle tyre by vehicle weight influenced and deform upon namely deformed set in be ground
Surface contact part point, therefore, to avoid judging by accident, the data that can integrate four tires carry out global alignment determination.
In addition, in the present embodiment, either keeping the launch angle of radar transmit-receive device constant, to detect on tire
Special state, which occurs change in location not with the rotation of tire, such as tire bulge, crackle etc..Meanwhile also
It to realize the detection to tire different location region, for example can be detected by adjusting the launch angle of radar transmit-receive device
Tire and ground-contacting position region and non-contacting position region, to judge tire according to corresponding determining angle of inclination
Tire pressure whether abundance etc..
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (6)
1. a kind of tire condition detection method, which is characterized in that the tire condition detection method includes：
When vehicle is in transport condition, emit multiple radar waves to the tire in rotation status, and receives corresponding reflection
Radar wave；
According to transmitting with reflection radar wave relevant information, calculate radar emission point between radar reflection point on tire away from
From, and the distance corresponding to multiple radar reflection points, calculate the distance between radar reflection point difference；When the distance
When difference is more than preset difference value, tire or vehicle run-off the straight are determined；According to the launch angle of the range difference, radar wave, calculate
Corresponding angle of inclination；
According to the correspondence at preset angle of inclination and tire condition, the angle of inclination is analyzed, determines current tire-like
State, the tire condition include at least one or more in tire wear, tire positioning, tire pressure.
2. tire condition detection method as described in claim 1, which is characterized in that it is described when vehicle is in transport condition,
Emitting multiple radar waves to the tire in rotation status includes：
When vehicle is in transport condition, according to current vehicle travel speed and tire size, measuring and calculating present tire rotating speed for
The interval time of adjustment transmitting radar wave, and according to the interval time, emit radar wave to the tire in rotation status.
3. tire condition detection method as claimed in claim 1 or 2, which is characterized in that emit radar wave using symmetric mode.
4. a kind of tire condition detecting device, which is characterized in that the tire condition detecting device includes：
Detection module, for when vehicle is in transport condition, emitting multiple radar waves to the tire in rotation status, and connect
Receive the radar wave of corresponding reflection；
Computing module calculates radar emission point to radar on tire for the relevant information according to transmitting and the radar wave of reflection
The distance between pip, and the distance corresponding to multiple radar reflection points, calculate radar reflection point between away from
Deviation；When the range difference is more than preset difference value, tire or vehicle run-off the straight are determined；According to the range difference, radar wave
Launch angle, calculate corresponding angle of inclination；
State determining module analyzes the angle of inclination for the correspondence according to preset angle of inclination and tire condition,
Determine current tire condition.
5. tire condition detecting device as claimed in claim 4, which is characterized in that the detection module is additionally operable to：
When vehicle is in transport condition, according to current vehicle travel speed and tire size, measuring and calculating present tire rotating speed for
The interval time of adjustment transmitting radar wave, and according to the interval time, emit radar wave to the tire in rotation status.
6. tire condition detecting device as described in claim 4 or 5, which is characterized in that emit radar wave using symmetric mode.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544008.3A CN106183662B (en) | 2016-07-08 | 2016-07-08 | Tire condition detection method and device |
| PCT/CN2016/110062 WO2018006549A1 (en) | 2016-07-08 | 2016-12-15 | Tyre state detection method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610544008.3A CN106183662B (en) | 2016-07-08 | 2016-07-08 | Tire condition detection method and device |
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| Publication Number | Publication Date |
|---|---|
| CN106183662A CN106183662A (en) | 2016-12-07 |
| CN106183662B true CN106183662B (en) | 2018-10-30 |
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|---|---|---|---|
| CN201610544008.3A Active CN106183662B (en) | 2016-07-08 | 2016-07-08 | Tire condition detection method and device |
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| CN (1) | CN106183662B (en) |
| WO (1) | WO2018006549A1 (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106183662B (en) * | 2016-07-08 | 2018-10-30 | 深圳市元征科技股份有限公司 | Tire condition detection method and device |
| CN109141937B (en) * | 2018-08-03 | 2021-04-09 | 北京逸驰科技有限公司 | Intelligent tire evaluation system and use method thereof |
| CN109532349B (en) * | 2018-11-19 | 2020-08-18 | 合肥市极点科技有限公司 | On-line detection device for tire pressure of motor vehicle |
| 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 |
| JP7332861B2 (en) * | 2019-06-03 | 2023-08-24 | 横浜ゴム株式会社 | Tire failure prediction system, tire failure prediction method |
| WO2021011595A1 (en) * | 2019-07-15 | 2021-01-21 | Firestone Industrial Products Company, Llc | Vehicle tire assembly including an internal inflation height and contact patch sensor using millimeter wavelength radar |
| US11607915B2 (en) | 2019-12-23 | 2023-03-21 | Continental Automotive Systems, Inc. | Method and device for measuring tread depth of a tire |
| CN114435029A (en) * | 2022-02-28 | 2022-05-06 | 阿维塔科技(重庆)有限公司 | Method and system for adjusting vehicle running |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020189336A1 (en) * | 2001-06-15 | 2002-12-19 | Mcewan Technologies, Llc | Radar monitoring system for tires and wheels |
| JP4000891B2 (en) * | 2002-04-12 | 2007-10-31 | トヨタ自動車株式会社 | Tire condition acquisition device |
| US7082819B2 (en) * | 2003-12-09 | 2006-08-01 | Michelin Recherche Et Technique S.A. | Doppler radar for detecting tire abnormalities |
| JP2005207811A (en) * | 2004-01-21 | 2005-08-04 | Denso Corp | Shape change detection device |
| JP4876907B2 (en) * | 2006-12-26 | 2012-02-15 | 株式会社デンソー | Wheel position detecting device, tire air pressure detecting device and transmitter / receiver provided with the same |
| ES2444629T3 (en) * | 2011-06-21 | 2014-02-26 | Kapsch Trafficcom Ag | Device and procedure to detect wheels |
| CN102589521A (en) * | 2012-03-05 | 2012-07-18 | 深圳市世纪经纬数据系统有限公司 | Method and device for measuring vehicle slope |
| CN103935197A (en) * | 2014-05-09 | 2014-07-23 | 宁波金洋化工物流有限公司 | Tire pressure monitoring system for accurately performing tire pressure monitoring in real time |
| CN106183662B (en) * | 2016-07-08 | 2018-10-30 | 深圳市元征科技股份有限公司 | Tire condition detection method and device |
-
2016
- 2016-07-08 CN CN201610544008.3A patent/CN106183662B/en active Active
- 2016-12-15 WO PCT/CN2016/110062 patent/WO2018006549A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018006549A1 (en) | 2018-01-11 |
| CN106183662A (en) | 2016-12-07 |
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