CN111731045A - Automatic spare tire replacement device, control system and method - Google Patents
Automatic spare tire replacement device, control system and method Download PDFInfo
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- CN111731045A CN111731045A CN202010566626.4A CN202010566626A CN111731045A CN 111731045 A CN111731045 A CN 111731045A CN 202010566626 A CN202010566626 A CN 202010566626A CN 111731045 A CN111731045 A CN 111731045A
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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
- B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
- B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
Abstract
The invention belongs to the technical field of automobile tire replacement, and discloses a device, a control system and a method for automatically replacing a spare tire, wherein a quick hydraulic cylinder is connected with a rubber wheel sleeve through a piston rod in a welding manner, and the rubber wheel sleeve is connected with a solid rubber wheel through a rubber wheel shaft; the quick hydraulic cylinder is fixed on the independent suspension through a high-strength bolt; the other side of the independent suspension is connected with a control box through glue, and a control box door on the outer side of the control box is connected with a fixed bolt cylinder in the control box through a switch bolt; the inner wall of the control box is embedded with a single chip microcomputer, the single chip microcomputer is connected with the tire sensor and the miniature handle controller through a lead, and the miniature handle controller is provided with a reset button and a tire changing button. When the piston rod is pushed down until the solid rubber tire is contacted with the ground, the solid rubber tire can roll relative to the ground, and lubricating oil is injected between the transmission rod and the connecting rod, so that the rolling resistance can be reduced, and the risk of out-of-control automobile when the automobile suddenly blows out during running is avoided; the safety of drivers and drivers is protected.
Description
Technical Field
The invention belongs to the technical field of automobile tire replacement, and particularly relates to a device, a control system and a method for automatically replacing a spare tire.
Background
At present, tire burst refers to the phenomenon that a tire is deflated due to air loss suddenly caused by rupture in a very short time (generally less than 0.1 second), tire burst is one of frequent accidents of an automobile in summer, however, tire burst often leads to vehicle runaway, according to data counted by China department of transportation, tire burst is carried out at a high speed of 100km/h, the survival rate is almost 0, therefore, tire burst at a high speed not only brings immeasurable loss to the automobile but also brings to other people, however, in order to avoid traffic accidents caused by tire burst at a high speed, a tire burst prevention device is often added on the automobile, because the design of the device ensures that the traveling track of the automobile is unchanged when the tire burst is carried out, the automobile can be stopped slowly, and a driver can also control the automobile to normally change the traveling track, namely, the automobile can be driven into an emergency lane under the condition like the normal condition; however, when a tire burst occurs after the explosion-proof device is additionally arranged, the rear-end collision of the vehicle easily occurs due to the over-high stopping speed in a high-speed state, and the running distance is short and the tire is difficult to reach a service area for replacing the tire; and at present, drivers are not familiar with the operation of the jack and cannot independently change tires.
Through the above analysis, the problems and defects of the prior art are as follows:
(1) when a tire burst occurs after the automobile is additionally provided with the explosion-proof device, the rear-end collision of the automobile easily occurs due to the over-high stopping speed in a high-speed state, and the automobile is short in running distance and difficult to reach a service area for replacing the tire;
(2) at present, drivers are not familiar with the operation of the jack and cannot independently change tires.
The difficulty in solving the above problems and defects is: how to ensure the control of the vehicle after a tire burst in case of slow speed reduction.
The significance of solving the problems and the defects is as follows: the technical problem can be solved, so that the risk of out-of-control of the automobile when the automobile suddenly blows out during running can be avoided; the safety of drivers and drivers is protected.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a device, a control system and a method for automatically replacing a spare tire.
The present invention is achieved as such, an automatic spare tire replacement apparatus provided with:
a fast hydraulic cylinder;
the quick hydraulic cylinder is connected with a rubber wheel sleeve through a piston rod in a welding mode, and the rubber wheel sleeve is connected with a solid rubber wheel through a rubber wheel shaft.
Further, the quick hydraulic cylinder is fixed on the independent suspension through a high-strength bolt.
Furthermore, the other side of the independent suspension is connected with a control box through glue, and a control box door on the outer side of the control box is connected with a fixed bolt cylinder in the control box through a switch bolt.
Furthermore, the inner wall of the control box and the inner wall of the control box door are glued and connected with waterproof rubber.
Furthermore, the inner wall of the control box is embedded with a single chip microcomputer, the single chip microcomputer is connected with the tire sensor and the miniature handle controller through a lead, and the miniature handle controller is provided with a reset button and a tire changing button.
Another object of the present invention is to provide an automatic replacement spare tire apparatus control system for controlling the automatic replacement spare tire apparatus, the automatic replacement spare tire apparatus control system including:
the tire pressure detection module detects the pressure change condition of the tire in real time through the tire sensor when the vehicle runs at high speed and transmits the detected data to the central processing module;
the hydraulic system detection module is used for detecting the pressure of the hydraulic system by using a hydraulic sensor and transmitting the detected data to the central processing module in the process that the quick hydraulic cylinder pushes down the piston rod quickly to enable the solid rubber tire connected to the top end of the piston rod to contact the ground to replace a tire burst wheel to continue driving;
the vehicle speed detection module is provided with a vehicle speed sensor on the vehicle, detects the change of the vehicle speed and transmits the detected data to the central processing module;
the image acquisition module is provided with a camera at the position of a vehicle tire, acquires an image of the surface of the tire and transmits detected data to the central processing module;
the positioning module detects the position of the vehicle by arranging a positioner in the vehicle and sends the position to the rescue center in time; and transmitting the detected data to the central processing module;
the central processing module is respectively connected with the tire pressure detection module, the hydraulic system detection module, the vehicle speed detection module, the image acquisition module, the positioning module, the display module, the central processing module, the wireless signal transmission module, the mobile terminal, the quick hydraulic cylinder, the data analysis and judgment module, the vehicle speed control module and the alarm module, and coordinates the normal operation of the modules;
the quick hydraulic cylinder module is connected with the central processing module and controls the quick hydraulic cylinder to push down the piston rod quickly through a built-in program so that a solid rubber tire connected to the top end of the piston rod contacts the ground to replace a burst tire wheel to continue running;
the data analysis and judgment module is connected with the central processing module and is used for analyzing and judging the safety of the vehicle and the state of the tire according to the acquired data;
and the vehicle speed control module is connected with the central processing module and controls the running speed of the vehicle through the electric brake pad.
Further, the automatic replacement spare tire apparatus control system further includes:
the display module is connected with the central processing module and displays the data of the vehicle tire and the position by utilizing the display screen;
the alarm module is connected with the central processing module, and the tire pressure indicator lamp on the cab control panel flickers and buzzes to continuously alarm without stopping;
the wireless signal transmission module is connected with the central processing module and transmits the detected data by arranging a wireless signal transmitter inside the vehicle;
and the mobile terminal is connected with the central processing module and transmits the detected data to the traffic police mobile phone terminal through the wireless signal transmitter.
Another object of the present invention is to provide an automatic replacement spare tire device control method for implementing the automatic replacement spare tire device control system, including:
the method comprises the following steps that firstly, a tire pressure detection module detects the pressure change condition of a tire in real time through a tire sensor when a vehicle runs at a high speed; the hydraulic system detection module utilizes the hydraulic sensor to detect the pressure of the hydraulic system in the process that the quick hydraulic cylinder pushes down the piston rod quickly to enable the solid rubber tire connected to the top end of the piston rod to contact the ground to replace a tire burst wheel to continue driving;
step two, a vehicle speed sensor is arranged on the vehicle by the vehicle speed detection module to detect the change of the vehicle speed; the image acquisition module is provided with a camera at the position of a vehicle tire to acquire an image of the surface of the tire; the positioning module is provided with a positioner inside the vehicle, detects the position of the vehicle and sends the position to the rescue center in time;
thirdly, according to the data detected in the first step and the second step, the central processing module respectively controls the tire pressure detection module, the hydraulic system detection module, the vehicle speed detection module, the image acquisition module, the positioning module, the display module, the central processing module, the wireless signal transmission module, the mobile terminal, the quick hydraulic cylinder, the data analysis and judgment module, the vehicle speed control module and the alarm module to be connected, and coordinates the normal operation of each module;
fourthly, the central processing module controls the data analysis and judgment module to analyze and judge the safety of the vehicle and the state of the tire according to the acquired data; according to the analyzed and judged data, the quick hydraulic cylinder module controls the quick hydraulic cylinder to push down the piston rod quickly through a built-in program so that a solid rubber tire connected to the top end of the piston rod contacts the ground to replace a burst wheel to continue running; the vehicle speed control module controls the running speed of the vehicle through the electric brake pad.
Further, the central processing module sends the detected data to a traffic police mobile phone terminal through a wireless signal transmission module; the tire pressure indicator lamp on the control panel of the driving cab of the alarm module flickers and continuously gives an alarm in the process of buzzing; the display module displays data of the vehicle tire and the location by using the display screen.
Further, in the second step, the image acquisition module is provided with a camera at the position of the vehicle tire to acquire an image of the tire surface, and the process of processing the image is as follows:
establishing a denoising training set for the collected images on the surface of the tire; identifying noise in the image, and extracting the image containing the noise;
performing wavelet decomposition on the image containing the noise; determining the number of layers of wavelet decomposition;
determining a threshold according to the decomposed layer number, and carrying out soft threshold quantization processing on the high-frequency coefficient in each layer;
and reconstructing the signal according to the low-frequency coefficient and the high-frequency coefficient obtained by wavelet decomposition.
By combining all the technical schemes, the invention has the advantages and positive effects that: the quick hydraulic cylinder can control the vertical movement of the solid rubber wheel through the piston rod, when the piston rod pushes the solid rubber wheel down to be in contact with the ground, the solid rubber wheel and the ground roll relatively, and the situation that the automobile is not controlled when the automobile suddenly blows out during running is avoided; the safety of drivers and driving personnel is protected, the safety is high, and the practicability is high. The quick hydraulic cylinder is firmly connected with the independent suspension, and is easier to disassemble and maintain compared with a welding connection mode. The invention adopts the bolt fastening mode to ensure the fastening of the control box door and the control box and is convenient to open. The waterproof rubber adopted by the invention can prevent impurities and accumulated water in the air from entering the control box to cause control failure. According to the invention, the piston rod can be pushed down continuously through the tire replacing button, the wheel part is jacked up, the wheel is convenient to replace, the operation is convenient, the use of a jack can be reduced, after the tire is replaced, the piston rod can be recovered to the initial position through the reset button, and the operation is convenient.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments of the present application will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained from the drawings without creative efforts.
FIG. 1 is a schematic diagram of an apparatus for automatically replacing a spare tire according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a position of a control box according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a control box according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a position structure of a micro-handle controller provided by an embodiment of the invention.
Fig. 5 is a schematic structural diagram of a control system of an automatic spare tire replacement apparatus according to an embodiment of the present invention.
Fig. 6 is a flowchart of a method for controlling an automatic spare tire replacement apparatus according to an embodiment of the present invention.
In the figure: 1. a fast hydraulic cylinder; 2. a piston rod; 3. independently hanging; 4. a wheel shaft; 5. a wheel; 6. A rubber wheel sleeve; 7. a rubber wheel shaft; 8. a solid rubber wheel; 9. a control box; 10. a tire sensor; 11. a control box door; 12. a switch bolt; 13. a single chip microcomputer; 14. a fixed bolt cylinder; 15. a micro-handle controller; 16. waterproof rubber; 17. a tire pressure detection module; 18. a hydraulic system detection module; 19. a vehicle speed detection module; 20. an image acquisition module; 21. a positioning module; 22. a display module; 23. a central processing module; 24. a wireless signal transmission module; 25. a mobile terminal; 26. a fast hydraulic cylinder module; 27. a data analysis and judgment module; 28. a vehicle speed control module; 29. and an alarm module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems of the prior art, the present invention provides an apparatus, a control system and a method for automatically replacing a spare tire, which will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, an automatic spare tire replacement apparatus is provided in accordance with an embodiment of the present invention. The quick hydraulic cylinder 1 is connected with the rubber wheel sleeve 6 through the piston rod 2 in a welding mode, the rubber wheel sleeve 6 is connected with the solid rubber wheel 8 through the rubber wheel shaft 7, the quick hydraulic cylinder 1 can control the solid rubber wheel 8 to move in the vertical direction through the piston rod 2, when the piston rod 2 pushes the solid rubber wheel 8 down to be in contact with the ground, relative rolling is carried out between the solid rubber wheel 8 and the ground, and the situation that the automobile is not controlled when the automobile suddenly blows out on the way of running is avoided.
The inner wall of the control box 9 is embedded with a single chip microcomputer 13 (model is MSP430), the single chip microcomputer 1 is connected with a tire sensor 10 (model is JH-609) and a micro handle controller 15 through a lead, the micro handle controller 15 is provided with a reset button and a tire changing button, the piston rod can be pushed down continuously through the tire changing button, the wheel is jacked high, the wheel is convenient to replace, the operation is convenient, the use of a jack can be reduced, and after the tire is replaced, the piston rod 2 can be recovered to the initial position through the reset button, so that the whole operation is completed.
As shown in fig. 5, an automatic replacement spare tire apparatus control system according to an embodiment of the present invention includes:
the tire pressure detection module 17 is connected with the central processing module 23, and detects the pressure change condition of the tire in real time when the vehicle runs at high speed through the tire sensor.
And the hydraulic system detection module 18 is connected with the central processing module 23, and is used for detecting the pressure of the hydraulic system by using a hydraulic sensor in the process that the quick hydraulic cylinder 1 pushes down the piston rod 2 quickly to enable the solid rubber tire 4 connected to the top end of the piston rod 2 to contact the ground to replace a burst tire wheel to continue running.
The vehicle speed detection module 19 is connected to the central processing module 23, and a vehicle speed sensor is provided in the vehicle to detect a change in the vehicle speed.
And the image acquisition module 20 is connected with the central processing module 23, and is provided with a camera at the position of the vehicle tire to acquire an image of the tire surface.
And the positioning module 21 is connected with the central processing module 23, detects the position of the vehicle by arranging a positioner in the vehicle, and sends the position to the rescue center in time.
And a display module 22 connected to the central processing module 23 for displaying the data of the vehicle tire and the position by using a display screen.
The central processing module 23 is respectively connected with the tire pressure detection module 17, the hydraulic system detection module 18, the vehicle speed detection module 19, the image acquisition module 20, the positioning module 21, the display module 22, the central processing module 23, the wireless signal transmission module 24, the mobile terminal 25, the quick hydraulic cylinder 26, the data analysis and judgment module 27, the vehicle speed control module 28 and the alarm module 29, and coordinates normal operation of the modules.
And a wireless signal transmission module 24 connected to the central processing module 23, for transmitting the detected data by providing a wireless signal transmitter inside the vehicle.
And the mobile terminal 25 is connected with the central processing module 23 and transmits the detected data to the traffic police mobile phone terminal through a wireless signal transmitter.
And the quick hydraulic cylinder module 26 is connected with the central processing module 23, and controls the quick hydraulic cylinder 1 to push down the piston rod 2 quickly through a built-in program so that the solid rubber tire 4 connected to the top end of the piston rod 2 contacts the ground to replace a burst tire to continue running.
And a data analysis and judgment module 27 connected to the central processing module 23 for analyzing and judging the safety of the vehicle and the state of the tire according to the collected data.
And a vehicle speed control module 28 connected to the central processing module 23 for controlling the speed of the vehicle through the electric brake pad.
And the alarm module 29 is connected with the central processing module 23, and the tire pressure indicator lamp on the cab control panel flickers and buzzes to continuously alarm without stopping.
As shown in fig. 6, the method for controlling an automatic spare tire replacement apparatus according to an embodiment of the present invention includes:
s101: the tire pressure detection module detects the pressure change condition of the tire in real time through the tire sensor when the vehicle runs at high speed; the hydraulic system detection module utilizes the hydraulic sensor to detect the pressure of the hydraulic system in the process that the quick hydraulic cylinder pushes the piston rod down quickly to enable the solid rubber tire connected to the top end of the piston rod to contact the ground to replace a tire burst wheel to continue driving.
S102: the vehicle speed detection module is provided with a vehicle speed sensor on the vehicle and is used for detecting the change of the vehicle speed; the image acquisition module is provided with a camera at the position of a vehicle tire to acquire an image of the surface of the tire; the positioning module detects the position of the vehicle by arranging a positioner in the vehicle and sends the position to the rescue center in time.
S103: according to the data detected in S101 and S102, the central processing module respectively controls the tire pressure detection module, the hydraulic system detection module, the vehicle speed detection module, the image acquisition module, the positioning module, the display module, the central processing module, the wireless signal transmission module, the mobile terminal, the quick hydraulic cylinder, the data analysis and judgment module, the vehicle speed control module and the alarm module to be connected, and normal operation of each module is coordinated.
S104: the central processing module controls the data analysis and judgment module to analyze and judge the safety of the vehicle and the state of the tire according to the acquired data; according to the analyzed and judged data, the quick hydraulic cylinder module controls the quick hydraulic cylinder to push down the piston rod quickly through a built-in program so that a solid rubber tire connected to the top end of the piston rod contacts the ground to replace a burst wheel to continue running; the vehicle speed control module controls the running speed of the vehicle through the electric brake pad.
Meanwhile, in the embodiment of the invention, the central processing module sends the detected data to the traffic police mobile phone terminal through the wireless signal transmission module; the tire pressure indicator lamp on the control panel of the driving cab of the alarm module flickers and continuously gives an alarm in the process of buzzing; the display module displays data of the vehicle tire and the location by using the display screen.
In S102 provided by the implementation of the present invention, the image acquisition module is provided with a camera at a tire of a vehicle, acquires an image of a tire surface, and processes the image as follows:
establishing a denoising training set for the collected images on the surface of the tire; identifying noise in the image, and extracting the image containing the noise;
performing wavelet decomposition on the image containing the noise; determining the number of layers of wavelet decomposition;
determining a threshold according to the decomposed layer number, and carrying out soft threshold quantization processing on the high-frequency coefficient in each layer;
and reconstructing the signal according to the low-frequency coefficient and the high-frequency coefficient obtained by wavelet decomposition.
When the invention is used, firstly, when a tire burst condition occurs during high-speed running of a vehicle, the pressure change condition of the tire is transmitted to the singlechip 13 by the tire sensor 10, the singlechip 13 controls the quick hydraulic cylinder 1 to push down the piston rod 2 quickly through a built-in program so that the solid rubber tire 4 connected with the top end of the piston rod 2 contacts the ground to replace the burst wheel to continue running, the tire pressure indicator lamp on a control panel of a cab flashes and buzzes for continuous alarming, the alarming is not stopped, then a driver safely drives the vehicle to a safe place to stop and replace the tire, when the tire is replaced, the driver can open the control box 9 through the switch bolt 12, the piston rod can be pushed down continuously through the tire replacing button arranged on the mini-handle controller 15, the position of the wheel is raised through the tire replacing button, the wheel replacement is convenient, the operation is convenient, the use of a jack can be reduced, after the tire replacement, the piston rod 2 can be retracted to the initial position by the reset button, thereby completing the entire operation.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An automatic spare tire replacement apparatus, characterized by being provided with:
a fast hydraulic cylinder;
the quick hydraulic cylinder is connected with a rubber wheel sleeve through a piston rod in a welding mode, and the rubber wheel sleeve is connected with a solid rubber wheel through a rubber wheel shaft.
2. An automatic spare tire replacement device as claimed in claim 1, wherein said fast acting hydraulic cylinder is secured to the independent suspension by high strength bolts.
3. The apparatus of claim 1, wherein the other side of the independent suspension is glued to a control box, and a control box door on the outside of the control box is connected to a fixed bolt cylinder inside the control box through a switch bolt.
4. The apparatus according to claim 3, wherein the inner walls of said control box and said door are glued with waterproof rubber.
5. The apparatus according to claim 3, wherein a single chip microcomputer is embedded in the inner wall of the control box, the single chip microcomputer is connected with the tire sensor and the mini-handle controller through a lead, and the mini-handle controller is provided with a reset button and a tire changing button.
6. An automatic replacement spare tire apparatus control system for controlling the automatic replacement spare tire apparatus according to any one of claims 1 to 5, wherein the automatic replacement spare tire apparatus control system comprises:
the tire pressure detection module detects the pressure change condition of the tire in real time through the tire sensor when the vehicle runs at high speed and transmits the detected data to the central processing module;
the hydraulic system detection module is used for detecting the pressure of the hydraulic system by using a hydraulic sensor and transmitting the detected data to the central processing module in the process that the quick hydraulic cylinder pushes down the piston rod quickly to enable the solid rubber tire connected to the top end of the piston rod to contact the ground to replace a tire burst wheel to continue driving;
the vehicle speed detection module is provided with a vehicle speed sensor on the vehicle, detects the change of the vehicle speed and transmits the detected data to the central processing module;
the image acquisition module is provided with a camera at the position of a vehicle tire, acquires an image of the surface of the tire and transmits detected data to the central processing module;
the positioning module detects the position of the vehicle by arranging a positioner in the vehicle and sends the position to the rescue center in time; and transmitting the detected data to the central processing module;
the central processing module is respectively connected with the tire pressure detection module, the hydraulic system detection module, the vehicle speed detection module, the image acquisition module, the positioning module, the display module, the central processing module, the wireless signal transmission module, the mobile terminal, the quick hydraulic cylinder, the data analysis and judgment module, the vehicle speed control module and the alarm module, and coordinates the normal operation of the modules;
the quick hydraulic cylinder module is connected with the central processing module and controls the quick hydraulic cylinder to push down the piston rod quickly through a built-in program so that a solid rubber tire connected to the top end of the piston rod contacts the ground to replace a burst tire wheel to continue running;
the data analysis and judgment module is connected with the central processing module and is used for analyzing and judging the safety of the vehicle and the state of the tire according to the acquired data;
and the vehicle speed control module is connected with the central processing module and controls the running speed of the vehicle through the electric brake pad.
7. The automatic replacement spare tire apparatus control system of claim 6, further comprising:
the display module is connected with the central processing module and displays the data of the vehicle tire and the position by utilizing the display screen;
the alarm module is connected with the central processing module, and the tire pressure indicator lamp on the cab control panel flickers and buzzes to continuously alarm without stopping;
the wireless signal transmission module is connected with the central processing module and transmits the detected data by arranging a wireless signal transmitter inside the vehicle;
and the mobile terminal is connected with the central processing module and transmits the detected data to the traffic police mobile phone terminal through the wireless signal transmitter.
8. An automatic replacement spare tire apparatus control method for implementing the automatic replacement spare tire apparatus control system according to any one of claims 6 to 7, wherein the automatic replacement spare tire apparatus control method comprises:
the method comprises the following steps that firstly, a tire pressure detection module detects the pressure change condition of a tire in real time through a tire sensor when a vehicle runs at a high speed; the hydraulic system detection module utilizes the hydraulic sensor to detect the pressure of the hydraulic system in the process that the quick hydraulic cylinder pushes down the piston rod quickly to enable the solid rubber tire connected to the top end of the piston rod to contact the ground to replace a tire burst wheel to continue driving;
step two, a vehicle speed sensor is arranged on the vehicle by the vehicle speed detection module to detect the change of the vehicle speed; the image acquisition module is provided with a camera at the position of a vehicle tire to acquire an image of the surface of the tire; the positioning module is provided with a positioner inside the vehicle, detects the position of the vehicle and sends the position to the rescue center in time;
thirdly, according to the data detected in the first step and the second step, the central processing module respectively controls the tire pressure detection module, the hydraulic system detection module, the vehicle speed detection module, the image acquisition module, the positioning module, the display module, the central processing module, the wireless signal transmission module, the mobile terminal, the quick hydraulic cylinder, the data analysis and judgment module, the vehicle speed control module and the alarm module to be connected, and coordinates the normal operation of each module;
fourthly, the central processing module controls the data analysis and judgment module to analyze and judge the safety of the vehicle and the state of the tire according to the acquired data; according to the analyzed and judged data, the quick hydraulic cylinder module controls the quick hydraulic cylinder to push down the piston rod quickly through a built-in program so that a solid rubber tire connected to the top end of the piston rod contacts the ground to replace a burst wheel to continue running; the vehicle speed control module controls the running speed of the vehicle through the electric brake pad.
9. The control method for an automatic spare tire replacement device according to claim 8, wherein the central processing module transmits the detected data to a traffic police mobile phone terminal through a wireless signal transmission module; the tire pressure indicator lamp on the control panel of the driving cab of the alarm module flickers and continuously gives an alarm in the process of buzzing; the display module displays data of the vehicle tire and the location by using the display screen.
10. The control method for an automatic spare tire replacing device according to claim 8, wherein in the second step, the image collecting module is provided with a camera at the position of the vehicle tire to obtain the image of the tire surface, and the process of processing the image is as follows:
establishing a denoising training set for the collected images on the surface of the tire; identifying noise in the image, and extracting the image containing the noise;
performing wavelet decomposition on the image containing the noise; determining the number of layers of wavelet decomposition;
determining a threshold according to the decomposed layer number, and carrying out soft threshold quantization processing on the high-frequency coefficient in each layer;
and reconstructing the signal according to the low-frequency coefficient and the high-frequency coefficient obtained by wavelet decomposition.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112537174A (en) * | 2020-12-08 | 2021-03-23 | 安徽信息工程学院 | Anti-explosion supporting device for vehicle tire |
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Application publication date: 20201002 |