CN113829808A - Adaptive deformation tire for mountain road section and control method thereof - Google Patents
Adaptive deformation tire for mountain road section and control method thereof Download PDFInfo
- Publication number
- CN113829808A CN113829808A CN202111046778.2A CN202111046778A CN113829808A CN 113829808 A CN113829808 A CN 113829808A CN 202111046778 A CN202111046778 A CN 202111046778A CN 113829808 A CN113829808 A CN 113829808A
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- spoke
- road section
- tire
- rocky road
- resistance wire
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000003044 adaptive effect Effects 0.000 title claims description 10
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims abstract description 3
- 230000009477 glass transition Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 238000010146 3D printing Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000638 stimulation Effects 0.000 abstract description 8
- 238000011065 in-situ storage Methods 0.000 abstract description 6
- 239000000446 fuel Substances 0.000 abstract description 2
- 239000004575 stone Substances 0.000 description 7
- 230000004044 response Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- 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
- B60C23/066—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 by monitoring wheel-centre to ground distance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
本发明涉及一种面向山石路段的自适应变形轮胎及其控制方法，自适应变形轮胎，包括车轮胎面、辐条和轮毂，所述辐条中部设有通孔段，所述通孔段的孔内穿设有用于加热的电阻丝，所述电阻丝的两端外接直流稳压电源，所述辐条和轮毂材质为具有形状记忆特性的树脂材料。本发明利用具有形状记忆特性的智能材料，使轮胎结构在通过山石路段时基于热刺激原位驱动转变成为另外一种结构形式从而可以增大轮胎变形量，使车辆顺利通过山石路段，同时减小对轮胎的损伤，待车辆驶离山石路段时，车辆轮胎结构基于热刺激原位驱动恢复原始状态以提高车速与燃油经济性。
The invention relates to a self-adaptive deformation tire facing a rocky road section and a control method thereof. The self-adaptive deformation tire includes a tire tread, spokes and a wheel hub. A resistance wire for heating is passed through, and both ends of the resistance wire are connected with a DC voltage stabilized power supply, and the spokes and the hub are made of resin materials with shape memory properties. The present invention utilizes the intelligent material with shape memory property to transform the tire structure into another structural form based on thermal stimulation in-situ driving when passing through the rocky road section, thereby increasing the tire deformation, enabling the vehicle to smoothly pass through the rocky road section, while reducing the For tire damage, when the vehicle leaves the rocky road section, the vehicle tire structure is driven in situ to restore the original state based on thermal stimulation to improve vehicle speed and fuel economy.
Description
Technical Field
The invention relates to the field of vehicle tires, in particular to a self-adaptive deformation tire for a mountain road section and a control method thereof.
Background
With the development of the times, the range and the space of human activities become larger and larger, and higher requirements are put forward on the mobility of various vehicles under complex terrains and road conditions. When a vehicle drives into a mountain road section, the conventional common tire is difficult to deform greatly, so that the trafficability of the vehicle is seriously reduced; in addition, under mountain and stone terrains and road conditions, once the deformation of the conventional common tire reaches or exceeds the limit deformation, the service life of the tire is seriously influenced, and even the tire is burst to cause vehicle safety accidents.
Disclosure of Invention
The invention provides a self-adaptive deformation tire for a mountain road section and a control method thereof, wherein an intelligent material with shape memory characteristics is utilized to convert a tire structure into another structural form based on thermal stimulation in-situ driving when the tire structure passes through the mountain road section, so that the deformation amount of the tire can be increased, a vehicle can smoothly pass through the mountain road section, meanwhile, the damage to the tire is reduced, and when the vehicle drives away from the mountain road section, the tire structure of the vehicle restores to the original state based on the thermal stimulation in-situ driving to improve the vehicle speed and the fuel economy.
The technical scheme adopted by the invention for solving the technical problems is as follows: the self-adaptive deformation tire for the mountain road section comprises a tire tread, spokes and a hub, wherein a through hole section is arranged in the middle of each spoke, a resistance wire used for heating penetrates through a hole in the through hole section, two ends of the resistance wire are externally connected with a direct-current stabilized voltage power supply, and the spokes and the hub are made of resin materials with shape memory characteristics.
In the scheme, the tire tread, the spokes and the wheel hub are integrally formed by adopting a photocuring 3D printing process.
In the scheme, the diameter of the resistance wire is 0.1-0.2 mm.
In the scheme, the center distance of the through holes is 1-1.2 mm, and the diameter of the through holes is 0.5-0.6 mm.
In the above scheme, the dc regulated power supply is connected to the control switch.
The invention also provides a control method of the self-adaptive deformation tire facing the mountain stone road section, before a vehicle runs to the mountain stone road section, a power switch is turned on to electrify the resistance wire, when the temperature of the spoke through hole section exceeds the glass transition temperature of the spoke through hole section, the spoke through hole section is heated to be softened, and the spoke is bent; when the vehicle runs to the mountain stone road section, the power switch is turned off, the spoke through hole section is cooled to the room temperature, and the spokes are kept in a bending state; when the vehicle leaves the mountain stone road section, a power switch is turned on to electrify the resistance wire, when the temperature of the spoke through hole section exceeds the glass transition temperature of the spoke through hole section, the spoke through hole section is heated to be softened, and the spoke is unfolded to be 180 degrees and returns to the original state; when the vehicle runs on a conventional road section, the power switch is turned off, the spoke through hole section is cooled to room temperature, and the spoke keeps a straight state unchanged.
The self-adaptive deformation tire for the mountain road section and the control method thereof have the following beneficial effects:
1. the temperature of the through hole section of the spoke and the straightening and bending states of the spoke can be controlled by electrifying the resistance wire, so that the tire structure is converted into another form when passing through a mountain road section, the deformation of the tire can be increased, a vehicle can smoothly pass through the mountain road section, and the damage to the tire is reduced.
2. Based on the variable rigidity and the driving characteristic of the intelligent material, the working mode of mechanical transmission and motor driving of the traditional mechanical structure in the past is changed, the in-situ driving working mode of the intelligent material and the structure is realized, and the intelligent material driving system have the advantages of compact structure, simplicity in control, high reliability and the like.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic view of the deformation response and process of a spoke via segment under thermal stimulation;
FIG. 2 is a schematic diagram showing the variation trend of the storage modulus of the resin material with shape memory characteristic with temperature;
FIG. 3 is a graph showing the trend of the loss factor of a resin material with shape memory characteristics according to temperature;
FIG. 4 is a schematic diagram of deformation response characteristics of spoke through hole sections obtained by experimental tests under different power supply powers;
FIG. 5 is a schematic structural diagram of a driving state of an adaptive deformation tire facing a mountain road section in a conventional road section;
FIG. 6 is a schematic structural diagram of a driving state of an adaptive deformation tire facing a mountain road section;
fig. 7 is a flow chart of intelligent control of adaptive deformation tire deformation mode for a mountain road section.
Wherein the reference numerals in fig. 5-6 are: 1. turning a tire tread; 2. spokes; 3. a hub; 4. spoke through-hole section.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
FIG. 1 shows the deformation response and process of the spoke through hole section 4 under thermal stimulation, the spoke material is resin material with shape memory property, when the temperature of the spoke through hole section 4 reaches its glass transition temperature TgWhen in use, the spokes deform under the action of external force; keeping the temperature of the spoke through hole section 4 restrained by the external force to be reduced to the glass transition temperature TgStopping deformation when the following; removing the external force constraint, and keeping the deformation state of the spoke through hole section 4 unchanged; the spoke through-hole section 4 is reheated to its glass transition temperature TgThe spoke through hole section 4 deforms and automatically returns to the original state.
FIG. 2 and FIG. 3 show the trend of Verowhite storage modulus and dissipation factor of the resin material obtained by the experimental test along with the temperature change, the resin material has good shape memory property, the storage modulus is reduced from 2154Mpa to 24.3Mpa when the loading temperature is from-10 ℃ to 80 ℃, and the glass transition temperature T isgThe temperature is about 48 ℃ higher than the room temperature, so that the deformation response under the thermal stimulation is facilitated.
Fig. 4 shows the deformation response characteristics of the spoke through hole section 4 under different power supplies obtained by experimental tests, and the deformation response rate of the spoke through hole section 4 increases with the increase of the power supply.
FIG. 5 shows a towards adaptive deformation tire in mountain stone highway section, tire structure includes tire tread 1, spoke 2 and wheel hub 3, has seted up a plurality of through-holes on the spoke 2, and the through-hole centre-to-centre spacing is 1 ~ 1.2mm, and the through-hole diameter is 0.5 ~ 0.6mm, wears to be equipped with the resistance wire in the through-hole, and the diameter of resistance wire is 0.1 ~ 0.2mm, the external DC voltage stabilizing power supply in both ends of resistance wire. The tire tread 1 is made of rubber-like materials, the spokes 2 and the hub 3 are made of resin materials with shape memory characteristics, and the tire tread 1, the spokes 2 and the hub 3 are integrally formed by mixing through a photocuring 3D printing process.
The invention also provides a control method of the adaptive deformation tire for the mountain road section, and the adaptive deformation control component of the tire comprises a power switch. Before the vehicle runs to a mountain road section, turning on a power switch to electrify the resistance wire, and controlling the power of the power supply to be 1.5-3W; in specific implementation, the power supply power can be properly adjusted according to the volume and the number of the spokes 2 in the designed adaptive deformation tire facing the mountain road section, for example, when the number of the spokes 2 is large, the power supply power can be properly increased. The power supply power of 1.5-3W in the design is only for illustration and has no limiting effect. When the temperature of the spoke through hole section 4 exceeds the glass transition temperature of the spoke through hole section, the spoke through hole section 4 is heated to be softened, the spoke 2 is bent, and the whole structure of the self-adaptive deformation tire is driven to be converted into the structural state shown in fig. 6 based on thermal stimulation in situ. And when the vehicle runs to the mountain road section, the power switch is turned off, the spoke through hole section 4 is cooled to the room temperature, and the spoke 2 keeps the bending state unchanged. After the vehicle leaves the mountain stone road section, the power switch is turned on to electrify the resistance wire, when the temperature of the spoke through hole section 4 exceeds the glass transition temperature of the spoke through hole section, the spoke through hole section 4 is heated to be softened, and the spoke 2 is straightened and restores the original state as shown in fig. 5. When the vehicle runs on a conventional road section, the power switch is turned off, the spoke through hole section 4 is cooled to the room temperature, and the spoke 2 keeps the straight state unchanged.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111046778.2A CN113829808A (en) | 2021-09-06 | 2021-09-06 | Adaptive deformation tire for mountain road section and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111046778.2A CN113829808A (en) | 2021-09-06 | 2021-09-06 | Adaptive deformation tire for mountain road section and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113829808A true CN113829808A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111046778.2A Pending CN113829808A (en) | 2021-09-06 | 2021-09-06 | Adaptive deformation tire for mountain road section and control method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402036A (en) * | 2022-08-26 | 2022-11-29 | 江苏大学 | A multi-response variable structure wheel and vehicle based on 4D printing technology |
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| JP2010116091A (en) * | 2008-11-14 | 2010-05-27 | Toyota Motor Corp | Run flat tire |
| US10427461B1 (en) * | 2015-12-11 | 2019-10-01 | United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Radially stiffened shape memory alloy tire |
| US20190344613A1 (en) * | 2005-06-13 | 2019-11-14 | Millenworks | Variable Compliance Wheel |
| CN110549804A (en) * | 2019-09-17 | 2019-12-10 | 北京大学 | Amphibious propulsion device based on 4D printing technology and manufacturing method |
| CN111003212A (en) * | 2019-12-20 | 2020-04-14 | 北京工业大学 | Mars tire with shape memory alloy lattice structure |
| CN111169219A (en) * | 2018-11-13 | 2020-05-19 | 张效琪 | Wheel made of elastic material and having elastically deformable hub, spoke and spoke tyres |
| CN213679609U (en) * | 2020-11-02 | 2021-07-13 | 陕西科技大学 | Lifting mechanism based on 4D printing shape memory material |
| CN113147265A (en) * | 2021-05-11 | 2021-07-23 | 季华实验室 | Non-pneumatic tire with gradually-changed elasticity and manufacturing method thereof |
-
2021
- 2021-09-06 CN CN202111046778.2A patent/CN113829808A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190344613A1 (en) * | 2005-06-13 | 2019-11-14 | Millenworks | Variable Compliance Wheel |
| JP2010116091A (en) * | 2008-11-14 | 2010-05-27 | Toyota Motor Corp | Run flat tire |
| US10427461B1 (en) * | 2015-12-11 | 2019-10-01 | United States Of America As Represented By The Administrator Of National Aeronautics And Space Administration | Radially stiffened shape memory alloy tire |
| CN111169219A (en) * | 2018-11-13 | 2020-05-19 | 张效琪 | Wheel made of elastic material and having elastically deformable hub, spoke and spoke tyres |
| CN110549804A (en) * | 2019-09-17 | 2019-12-10 | 北京大学 | Amphibious propulsion device based on 4D printing technology and manufacturing method |
| CN111003212A (en) * | 2019-12-20 | 2020-04-14 | 北京工业大学 | Mars tire with shape memory alloy lattice structure |
| CN213679609U (en) * | 2020-11-02 | 2021-07-13 | 陕西科技大学 | Lifting mechanism based on 4D printing shape memory material |
| CN113147265A (en) * | 2021-05-11 | 2021-07-23 | 季华实验室 | Non-pneumatic tire with gradually-changed elasticity and manufacturing method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115402036A (en) * | 2022-08-26 | 2022-11-29 | 江苏大学 | A multi-response variable structure wheel and vehicle based on 4D printing technology |
| WO2024041271A1 (en) * | 2022-08-26 | 2024-02-29 | 江苏大学 | 4d printing technology-based multi-response variable-structure wheel, and vehicle |
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Application publication date: 20211224 |
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