CN112937223A - Vehicle tire wear degree real-time monitoring platform - Google Patents
Vehicle tire wear degree real-time monitoring platform Download PDFInfo
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- CN112937223A CN112937223A CN202110061635.2A CN202110061635A CN112937223A CN 112937223 A CN112937223 A CN 112937223A CN 202110061635 A CN202110061635 A CN 202110061635A CN 112937223 A CN112937223 A CN 112937223A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 26
- 238000003384 imaging method Methods 0.000 claims abstract description 19
- 238000003909 pattern recognition Methods 0.000 claims abstract description 19
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 21
- 238000012937 correction Methods 0.000 claims description 18
- 239000004973 liquid crystal related substance Substances 0.000 claims description 6
- 238000011157 data evaluation Methods 0.000 claims description 5
- 230000000007 visual effect Effects 0.000 claims description 4
- 238000005299 abrasion Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 5
- 238000010295 mobile communication Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011384 asphalt concrete Substances 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000010485 coping Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
Classifications
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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
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/24—Wear-indicating arrangements
- B60C11/246—Tread wear monitoring systems
Abstract
The invention relates to a vehicle tire wear degree real-time monitoring platform, which comprises: the rotating speed detection device is connected with a rotating shaft provided with vehicle tires and used for detecting the real-time rotating speed of the rotating shaft; the pinhole type snapshot mechanism is used for executing timing snapshot processing towards the tire based on the received real-time rotating speed so as to obtain a snapshot image corresponding to the current moment; and the pattern recognition equipment is used for recognizing more than one pattern imaging area in the received content splicing area based on a preset tread pattern, and sending an excessive wear signal when the proportion of the more than one pattern imaging area occupying the content splicing area is more than or equal to a preset proportion threshold value, otherwise, sending a normal wear signal. The vehicle tire wear degree real-time monitoring platform is effective in identification and reliable in data. The tire tread pattern existing state of the single-side tire can be monitored in real time, so that tire wear information is provided for a driver in real time.
Description
Technical Field
The invention relates to the field of vehicle tire monitoring, in particular to a vehicle tire wear degree real-time monitoring platform.
Background
A tire is a ground-rolling circular ring-shaped elastic rubber article mounted on various vehicles or machines. Generally mounted on a metal rim, and is capable of supporting a vehicle body, buffering external impact, achieving contact with a road surface and ensuring the driving performance of a vehicle. Tires are often used under complex and severe conditions, which are subjected to various deformations, loads, forces and high and low temperature effects during running, and therefore must have high load-bearing, traction and cushioning properties. At the same time, high abrasion resistance and flexibility resistance, and low rolling resistance and heat build-up are also required.
The specific function of the tire is as follows: first, a tire is a carrier for force transmission between a vehicle and a road surface, and driving force, braking force, steering force, and the like are transmitted through the tire, thereby achieving driving, braking, steering, and the like of the vehicle. Second, the vehicle load is supported. The load of the vehicle causes the tires to sag until the average pressure of the tire contact patch is balanced with the inflation pressure inside the tires. And thirdly, the shock and impact force of the vehicle in the running process are relieved and absorbed, and early damage caused by severe shock to vehicle parts is avoided. Meanwhile, the device is suitable for the high-speed running state of the vehicle, reduces running noise, and ensures the running safety, comfort, operation stability and fuel economy.
Currently, in the running process of a vehicle, because the tire tread is a vehicle part directly contacting with the ground, and the ground environment is complex, the abrasion degree of the tire tread is a key factor for maintaining the running safety of the vehicle, and once heavy abrasion occurs, the tire needs to be replaced immediately to maintain the running safety. However, current lack of high precision tire tread monitoring solutions is caused by the tire's constant rotation and lack of a targeted tire tread wear detection mechanism.
Disclosure of Invention
In order to solve the technical problems in the related field, the invention provides a vehicle tire wear degree real-time monitoring platform which can realize the image data acquisition of the whole body of a tire tread based on the rotation characteristics of a wheel and carry out the loss monitoring of tire tread patterns on the acquired image data, thereby facilitating a driver to accurately acquire the tire tread wear information and state.
Therefore, the invention needs to have the following two important points:
(1) a customized visual acquisition mechanism which is shot for multiple times in a single tire rotation period is adopted to obtain a high-definition tire tread panoramic image, so that a basis is provided for subsequent data analysis of the tire tread;
(2) and judging the wear degree of the tire tread based on the missing degree of the tread pattern in the panoramic image of the tire tread, thereby facilitating the driving and coping of a driver.
According to an aspect of the present invention, there is provided a vehicle tyre wear level real-time monitoring platform, the platform comprising:
the rotating speed detection device is connected with a rotating shaft provided with vehicle tires and used for detecting the real-time rotating speed of the rotating shaft;
the pinhole type snapshot mechanism is arranged in a vehicle body shell above the vehicle tire, is electrically connected with the rotating speed detection equipment, and is used for executing timing snapshot processing towards the tire based on the received real-time rotating speed so as to obtain a snapshot image corresponding to the current moment;
the tread identification equipment is arranged in a central console of the vehicle, is connected with the pinhole type snapshot mechanism and is used for identifying a tread target in the received snapshot image based on the tread color characteristics so as to obtain a tire tread area in the snapshot image;
the real-time correction device is connected with the tread identification device and is used for carrying out geometric correction processing and distortion correction processing on the tire tread area in the received snapshot image so as to obtain a corresponding corrected tread area;
the content splicing mechanism is respectively connected with the real-time correction equipment and the pinhole type snapshot mechanism and is used for splicing a plurality of corrected tread areas respectively corresponding to a plurality of snapshot images obtained by multiple times of snapshot processing at uniform time intervals performed on the tire in one tire rotation period so as to obtain a content splicing area;
the pattern recognition device is connected with the content splicing mechanism and used for recognizing more than one pattern imaging area in the content splicing area based on preset tread pattern patterns, and when the proportion of the more than one pattern imaging area occupying the content splicing area is more than or equal to a preset proportion threshold value, a wear excessive signal is sent out, otherwise, a wear normal signal is sent out;
a data evaluation device connected with the pattern recognition device and used for determining a wear level inversely proportional to the proportion of the content splicing area occupied by the more than one pattern imaging areas when the excessive wear signal is received;
wherein, executing the timed snapshot towards the tire based on the received real-time rotation speed to obtain a current snapshot image corresponding to the current time comprises: controlling the frequency of executing timing snapshot processing on the tire based on the received real-time rotating speed, so that multiple times of snapshot processing with uniform time intervals is executed on the tire in one tire rotating period, and multiple tire imaging areas in the obtained multiple snapshot images cover the whole body of the tire;
wherein controlling the frequency of performing a timed snapshot process on a tire based on the received real-time rotational speed such that a plurality of times of snapshot processes at uniform time intervals are performed on the tire within one tire rotation period, and the obtaining a plurality of tire imaging areas in a plurality of snapshot images covering the entire tire circumference comprises: the speed of the pinhole type snapshot mechanism for executing timing snapshot processing on the tire is several times of the received real-time rotating speed.
According to another aspect of the invention, a vehicle tire wear degree real-time monitoring method is further provided, and the method comprises the step of using a vehicle tire wear degree real-time monitoring platform as described above for obtaining a tire tread panoramic image by adopting a customized visual monitoring mode so as to intelligently judge the wear degree of the tread based on a tread pattern monitoring result.
The vehicle tire wear degree real-time monitoring platform is effective in identification and reliable in data. The tire tread pattern existing state of the single-side tire can be monitored in real time, so that tire wear information is provided for a driver in real time.
Detailed Description
The following will describe in detail an embodiment of the vehicle tire wear level real-time monitoring platform of the present invention.
The vehicle tire can be classified into a car tire and a truck tire according to its use. The tyres for passenger cars are mainly used as the pneumatic tyres for passenger cars, and the tyres for cargo vehicles are mainly used as the pneumatic tyres for cargo vehicles, passenger cars and trailers. Vehicle tires can be classified into pneumatic tires and solid tires according to the carcass structure. Most modern vehicles employ pneumatic tires, while solid tires are used only on low speed vehicles or heavy trailers that travel on the dry road of asphalt concrete pavement.
For pneumatic tires, the tire can be divided into two types, namely a tire with an inner tube and a tire without an inner tube, according to different composition structures; according to the working pressure in the tyre, the tyre can be divided into a high-pressure tyre, a low-pressure tyre and an ultra-low-pressure tyre; according to the different direction of the cord line arrangement in the tyre body, it can be divided into general bias tyre, belt bias tyre and meridian tyre, and according to the different tread pattern, it can be divided into general pattern tyre, mixed pattern tyre and cross-country pattern tyre.
Currently, in the running process of a vehicle, because the tire tread is a vehicle part directly contacting with the ground, and the ground environment is complex, the abrasion degree of the tire tread is a key factor for maintaining the running safety of the vehicle, and once heavy abrasion occurs, the tire needs to be replaced immediately to maintain the running safety. However, current lack of high precision tire tread monitoring solutions is caused by the tire's constant rotation and lack of a targeted tire tread wear detection mechanism.
In order to overcome the defects, the invention builds a real-time monitoring platform for the wear degree of the vehicle tire, and can effectively solve the corresponding technical problem.
The vehicle tire wear degree real-time monitoring platform shown according to the embodiment of the invention comprises:
the rotating speed detection device is connected with a rotating shaft provided with vehicle tires and used for detecting the real-time rotating speed of the rotating shaft;
the pinhole type snapshot mechanism is arranged in a vehicle body shell above the vehicle tire, is electrically connected with the rotating speed detection equipment, and is used for executing timing snapshot processing towards the tire based on the received real-time rotating speed so as to obtain a snapshot image corresponding to the current moment;
the tread identification equipment is arranged in a central console of the vehicle, is connected with the pinhole type snapshot mechanism and is used for identifying a tread target in the received snapshot image based on the tread color characteristics so as to obtain a tire tread area in the snapshot image;
the real-time correction device is connected with the tread identification device and is used for carrying out geometric correction processing and distortion correction processing on the tire tread area in the received snapshot image so as to obtain a corresponding corrected tread area;
the content splicing mechanism is respectively connected with the real-time correction equipment and the pinhole type snapshot mechanism and is used for splicing a plurality of corrected tread areas respectively corresponding to a plurality of snapshot images obtained by multiple times of snapshot processing at uniform time intervals performed on the tire in one tire rotation period so as to obtain a content splicing area;
the pattern recognition device is connected with the content splicing mechanism and used for recognizing more than one pattern imaging area in the content splicing area based on preset tread pattern patterns, and when the proportion of the more than one pattern imaging area occupying the content splicing area is more than or equal to a preset proportion threshold value, a wear excessive signal is sent out, otherwise, a wear normal signal is sent out;
a data evaluation device connected with the pattern recognition device and used for determining a wear level inversely proportional to the proportion of the content splicing area occupied by the more than one pattern imaging areas when the excessive wear signal is received;
wherein, executing the timed snapshot towards the tire based on the received real-time rotation speed to obtain a current snapshot image corresponding to the current time comprises: controlling the frequency of executing timing snapshot processing on the tire based on the received real-time rotating speed, so that multiple times of snapshot processing with uniform time intervals is executed on the tire in one tire rotating period, and multiple tire imaging areas in the obtained multiple snapshot images cover the whole body of the tire;
wherein controlling the frequency of performing a timed snapshot process on a tire based on the received real-time rotational speed such that a plurality of times of snapshot processes at uniform time intervals are performed on the tire within one tire rotation period, and the obtaining a plurality of tire imaging areas in a plurality of snapshot images covering the entire tire circumference comprises: the speed of the pinhole type snapshot mechanism for executing timing snapshot processing on the tire is several times of the received real-time rotating speed.
Next, the detailed structure of the vehicle tire wear level real-time monitoring platform according to the present invention will be further described.
In the vehicle tire wear degree real-time monitoring platform:
the pattern recognition equipment is further used for sending a wear normal signal when the proportion of the more than one pattern imaging area occupying the content splicing area is smaller than the preset proportion threshold value.
The vehicle tire wear degree real-time monitoring platform can further comprise:
and the pattern storage mechanism is connected with the pattern recognition equipment and is used for storing the preset tread pattern, wherein the type of the tire used by the vehicle is different, and the corresponding preset tread pattern is different.
The vehicle tire wear degree real-time monitoring platform can further comprise:
the signal input device is connected with the pattern storage mechanism and is used for inputting the preset tread pattern to the pattern storage mechanism;
wherein, in the pattern storage mechanism, the number of the preset tread pattern is more than one.
In the vehicle tire wear degree real-time monitoring platform:
the fact that the snapshot speed of the pinhole type snapshot mechanism for executing timing snapshot processing on the tire is several times of the received real-time rotating speed comprises the following steps: the speed of the pinhole type snapshot mechanism for executing timing snapshot processing on the tire is 6, 8 or 10 times of the received real-time rotating speed.
In the vehicle tire wear degree real-time monitoring platform:
the real-time correction device, the content splicing mechanism, the pattern recognition device and the data evaluation device are all arranged in a center console of the vehicle.
The vehicle tire wear degree real-time monitoring platform can further comprise:
the liquid crystal display screen is embedded in the center console and is respectively connected with the pattern recognition equipment and the data identification equipment;
the liquid crystal display screen is used for displaying display information corresponding to the wear excessive signal or the wear normal signal;
and the liquid crystal display screen is also used for receiving and displaying display information corresponding to the wear grade in real time.
The vehicle tire wear degree real-time monitoring platform can further comprise:
the storage battery mechanism is respectively connected with the real-time correction equipment, the content splicing mechanism, the pattern recognition equipment and the data identification equipment;
the storage battery mechanism is used for respectively supplying power to the real-time correction device, the content splicing mechanism, the pattern recognition device and the data identification device.
Meanwhile, in order to overcome the defects, the invention also provides a real-time monitoring method for the wear degree of the vehicle tire, which comprises the step of using the real-time monitoring platform for the wear degree of the vehicle tire, and the real-time monitoring platform is used for obtaining a panoramic image of the tire tread by adopting a customized visual monitoring mode so as to intelligently judge the wear degree of the tread based on a tread pattern monitoring result.
In addition, the vehicle tire wear degree real-time monitoring platform can further comprise a time division communication device which is connected with the tread identification device and used for transmitting various working configuration parameters to the tread identification device. The working principle of time division duplex is as follows: TDD is a duplex scheme of a communication system for separating a reception channel and a transmission channel (or uplink and downlink) in a mobile communication system. In the TDD mode mobile communication system, the receiving and transmitting are in different time slots of the same frequency channel, namely carrier, and the receiving and transmitting channels are separated by using the guaranteed time; in the FDD mode, the receiving and transmitting are performed on two separate symmetric frequency channels, and the receiving and transmitting channels are separated by a guaranteed frequency band. The characteristics and communication benefits of mobile communication systems employing different duplex modes are different. The uplink and downlink channels in the TDD mode mobile communication system use the same frequency, and thus have reciprocity of the uplink and downlink channels, which brings many advantages to the TDD mode mobile communication system. In TDD mode, the transmission of information in uplink and downlink can be performed on the same carrier frequency, i.e. the transmission of information in uplink and the transmission of information in downlink are realized by time division on the same carrier.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While embodiments of the present invention have been described, the present invention is not limited to the above-described embodiments, which are intended to be illustrative rather than limiting, and it will be apparent to those of ordinary skill in the art in light of the teachings of the present invention that many more modifications can be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (9)
1. A vehicle tire wear level real-time monitoring platform, the platform comprising:
the rotating speed detection device is connected with a rotating shaft provided with vehicle tires and used for detecting the real-time rotating speed of the rotating shaft;
the pinhole type snapshot mechanism is arranged in a vehicle body shell above the vehicle tire, is electrically connected with the rotating speed detection equipment, and is used for executing timing snapshot processing towards the tire based on the received real-time rotating speed so as to obtain a snapshot image corresponding to the current moment;
the tread identification equipment is arranged in a central console of the vehicle, is connected with the pinhole type snapshot mechanism and is used for identifying a tread target in the received snapshot image based on the tread color characteristics so as to obtain a tire tread area in the snapshot image;
the real-time correction device is connected with the tread identification device and is used for carrying out geometric correction processing and distortion correction processing on the tire tread area in the received snapshot image so as to obtain a corresponding corrected tread area;
the content splicing mechanism is respectively connected with the real-time correction equipment and the pinhole type snapshot mechanism and is used for splicing a plurality of corrected tread areas respectively corresponding to a plurality of snapshot images obtained by multiple times of snapshot processing at uniform time intervals performed on the tire in one tire rotation period so as to obtain a content splicing area;
the pattern recognition device is connected with the content splicing mechanism and used for recognizing more than one pattern imaging area in the content splicing area based on preset tread pattern patterns, and when the proportion of the more than one pattern imaging area occupying the content splicing area is more than or equal to a preset proportion threshold value, a wear excessive signal is sent out, otherwise, a wear normal signal is sent out;
a data evaluation device connected with the pattern recognition device and used for determining a wear level inversely proportional to the proportion of the content splicing area occupied by the more than one pattern imaging areas when the excessive wear signal is received;
wherein, executing the timed snapshot towards the tire based on the received real-time rotation speed to obtain a current snapshot image corresponding to the current time comprises: controlling the frequency of executing timing snapshot processing on the tire based on the received real-time rotating speed, so that multiple times of snapshot processing with uniform time intervals is executed on the tire in one tire rotating period, and multiple tire imaging areas in the obtained multiple snapshot images cover the whole body of the tire;
wherein controlling the frequency of performing a timed snapshot process on a tire based on the received real-time rotational speed such that a plurality of times of snapshot processes at uniform time intervals are performed on the tire within one tire rotation period, and the obtaining a plurality of tire imaging areas in a plurality of snapshot images covering the entire tire circumference comprises: the speed of the pinhole type snapshot mechanism for executing timing snapshot processing on the tire is several times of the received real-time rotating speed.
2. The vehicle tire wear level real-time monitoring platform of claim 1, wherein:
the pattern recognition equipment is further used for sending a wear normal signal when the proportion of the more than one pattern imaging area occupying the content splicing area is smaller than the preset proportion threshold value.
3. The vehicle tire wear level real-time monitoring platform of claim 2, wherein the platform further comprises:
and the pattern storage mechanism is connected with the pattern recognition equipment and is used for storing the preset tread pattern, wherein the type of the tire used by the vehicle is different, and the corresponding preset tread pattern is different.
4. The vehicle tire wear level real-time monitoring platform of claim 3, wherein the platform further comprises:
the signal input device is connected with the pattern storage mechanism and is used for inputting the preset tread pattern to the pattern storage mechanism;
wherein, in the pattern storage mechanism, the number of the preset tread pattern is more than one.
5. The vehicle tire wear level real-time monitoring platform of claim 4, wherein:
the fact that the snapshot speed of the pinhole type snapshot mechanism for executing timing snapshot processing on the tire is several times of the received real-time rotating speed comprises the following steps: the speed of the pinhole type snapshot mechanism for executing timing snapshot processing on the tire is 6, 8 or 10 times of the received real-time rotating speed.
6. The vehicle tire wear level real-time monitoring platform of claim 5, wherein:
the real-time correction device, the content splicing mechanism, the pattern recognition device and the data evaluation device are all arranged in a center console of the vehicle.
7. The vehicle tire wear level real-time monitoring platform of claim 6, wherein the platform further comprises:
the liquid crystal display screen is embedded in the center console and is respectively connected with the pattern recognition equipment and the data identification equipment;
the liquid crystal display screen is used for displaying display information corresponding to the wear excessive signal or the wear normal signal;
and the liquid crystal display screen is also used for receiving and displaying display information corresponding to the wear grade in real time.
8. The vehicle tire wear level real-time monitoring platform of claim 7, wherein the platform further comprises:
the storage battery mechanism is respectively connected with the real-time correction equipment, the content splicing mechanism, the pattern recognition equipment and the data identification equipment;
the storage battery mechanism is used for respectively supplying power to the real-time correction device, the content splicing mechanism, the pattern recognition device and the data identification device.
9. A real-time vehicle tire wear monitoring method, which comprises providing a real-time vehicle tire wear monitoring platform according to any one of claims 1 to 8, and using a customized visual monitoring mode to obtain a panoramic image of a tire tread so as to intelligently judge the wear degree of the tread based on a tread pattern monitoring result.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110061635.2A CN112937223A (en) | 2021-01-18 | 2021-01-18 | Vehicle tire wear degree real-time monitoring platform |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110061635.2A CN112937223A (en) | 2021-01-18 | 2021-01-18 | Vehicle tire wear degree real-time monitoring platform |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113866167A (en) * | 2021-09-13 | 2021-12-31 | 北京逸驰科技有限公司 | Tire detection result generation method, computer equipment and storage medium |
| CN114663387A (en) * | 2022-03-21 | 2022-06-24 | 江阴市精成数控有限公司 | Drive assembly bearing retention system |
| CN116735663A (en) * | 2023-08-15 | 2023-09-12 | 菏泽天盈新能源有限公司 | Performance testing device for new energy automobile tire |
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Application publication date: 20210611 |