CN116442689A - Temperature control and pressure stabilization method for automobile tire - Google Patents
Temperature control and pressure stabilization method for automobile tire Download PDFInfo
- Publication number
- CN116442689A CN116442689A CN202310476425.9A CN202310476425A CN116442689A CN 116442689 A CN116442689 A CN 116442689A CN 202310476425 A CN202310476425 A CN 202310476425A CN 116442689 A CN116442689 A CN 116442689A
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- temperature
- hub
- tire
- semiconductor cold
- cold
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000006641 stabilisation Effects 0.000 title claims abstract description 9
- 238000011105 stabilization Methods 0.000 title claims abstract description 9
- 239000004065 semiconductor Substances 0.000 claims abstract description 35
- 239000000725 suspension Substances 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000010248 power generation Methods 0.000 claims abstract description 13
- 238000005057 refrigeration Methods 0.000 claims abstract description 11
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 38
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 7
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 239000003381 stabilizer Substances 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 4
- 230000001133 acceleration Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000009977 dual effect Effects 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000001629 suppression 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
- 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
- B60C23/20—Devices for measuring or signalling tyre temperature only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
- B60B19/10—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group with cooling fins
-
- 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
- B60C23/18—Tyre cooling arrangements, e.g. heat shields
-
- 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
- B60C23/18—Tyre cooling arrangements, e.g. heat shields
- B60C23/19—Tyre cooling arrangements, e.g. heat shields for dissipating heat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
- H02K7/1846—Rotary generators structurally associated with wheels or associated parts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a temperature and pressure control method for an automobile tire, which belongs to the technical field of tire temperature and pressure control and pressure stabilization and comprises the following steps: step one: a plurality of semiconductor cold and hot plates and temperature sensors are uniformly arranged on the inner surface of a rim of the hub, and a heat conducting plate with good heat conductivity is stuck on one side, close to the tire, of the semiconductor cold and hot plates, and is used for uniformly transmitting heat or cold to gas in the tire; step two: an intelligent controller is arranged on the hub, a plurality of semiconductor cold and hot plates and temperature sensors are connected through the intelligent controller, and the temperature values in the tire are detected in real time by the temperature sensors and transmitted to the intelligent controller; step three: a hub micro power generation device is arranged in the middle of the auxiliary plate. The invention adopts thermoelectric refrigeration technology and suspension type gravity center downward principle, and realizes the refrigeration and heating of the semiconductor cold and hot plates by the electric energy generated by the suspension type hub generator, thereby realizing the control of the tire air pressure, and the refrigeration and heating are rapid, the efficiency is high, and the practicability is strong.
Description
Technical Field
The invention belongs to the technical field of temperature control and pressure stabilization of tires, and particularly relates to a temperature control and pressure stabilization method of an automobile tire.
Background
The automobile tire is a part which is in direct contact with the road surface when the automobile runs, and the quality and performance of the automobile tire directly influence the safety and comfort of the automobile running. Due to the continuous improvement of the vehicle speed and the complex and changeable road conditions, the temperature and air pressure changes of the tires are also more and more complex. Overheating or overcooling of the tire can affect the durability and performance of the tire, as well as driving safety when the standard air pressure is not reached. Therefore, tire control temperature and pressure stabilization become one of the important problems in the field of automobile engineering.
At present, the temperature and pressure control method of the automobile tire is to detect the pressure of the automobile tire through a TPMS (tire pressure monitoring system) to realize the pressure stabilization of the tire; however, the method requires that the vehicle owner check the tire pressure in time and inflate, is time-consuming and labor-consuming and is easy to ignore, and the temperature in the tire can be continuously changed along with the running time and the air temperature, so that the vehicle owner cannot adjust the tire pressure at any time.
Disclosure of Invention
The invention aims at: in order to cope with the change of the tire pressure caused by the environment temperature or the friction heat of the tire and the ground, the method is expected to solve the problems of trouble caused by the tire replacement, reduction of the tire burst risk, noise suppression, tire abrasion reduction, load capacity improvement and the like, and keep the tire pressure in an optimal interval, so that the friction coefficient of the tire and the ground is minimized, and the energy consumption is reduced.
The technical scheme adopted by the invention is as follows:
a temperature control and pressure stabilization method for an automobile tire comprises the following steps:
step one: a plurality of semiconductor cold and hot plates and temperature sensors are uniformly arranged on the inner surface of a rim of the hub, and a heat conducting plate with good heat conductivity is stuck on one side, close to the tire, of the semiconductor cold and hot plates, and is used for uniformly transmitting heat or cold to gas in the tire;
step two: an intelligent controller is arranged on the hub, a plurality of semiconductor cold and hot plates and temperature sensors are connected through the intelligent controller, the temperature values in the tire are detected in real time by the temperature sensors and are transmitted to the intelligent controller, and the intelligent controller controls the semiconductor cold and hot plates to work;
step three: the vehicle hub micro power generation device is arranged in the middle of the vehicle auxiliary plate, the vehicle hub micro power generation device generates power through kinetic energy in the vehicle form process, and electric energy is supplied to the temperature control device to control the work of the semiconductor cooling and heating sheet.
Preferably, the hub micro power generation device comprises a metal protection cover, and a suspension hub generator, a dual-power automatic converter, an electric brush, a voltage stabilizer and a counterweight iron core are arranged in the metal protection cover.
Preferably, the counterweight iron core is positioned at the bottom of the metal protecting cover, so that the bottoms of the suspended hub generator and the metal protecting cover are heavier than the upper part, namely the gravity center of the whole of the metal protecting cover and all fixing members in the metal protecting cover is deviated to the bottom; the suspension type hub generator is fixed with the metal protection cover through the counterweight iron core, and the metal protection cover is connected with the axle end of the tire through the axle of the suspension type hub generator; when the vehicle runs at a constant speed and the stress of the metal protecting cover and the internal fixing member thereof is balanced, the metal protecting cover and the internal fixing member thereof can keep an upright state all the time, namely keep a static state relative to the vehicle, and the shaft of the suspended hub generator and the tyre rotate at the same speed with the rotating speed. When the vehicle is in an acceleration or deceleration state, the metal protection cover and the internal fixing member of the metal protection cover also swing to a certain extent due to unstable stress, but the problems of power generation of the suspended hub generator and power supply to the temperature control device are not affected.
Preferably, the electric energy generated by the suspension type hub generator is conveyed to the intelligent temperature controller after being stabilized by the voltage stabilizer, and the intelligent temperature controller controls the start and stop of the refrigeration and heating functions; the current flowing out from the intelligent temperature controller flows through the dual-power automatic converter and then is transmitted to the electric brush to provide electric energy for the semiconductor cold and hot sheets, and the dual-power automatic converter is used for providing conversion of refrigeration or heating functions.
Preferably, the electric brush is circular, the center of the electric brush is positioned on a straight line where a generator shaft of the suspension type hub is positioned, the electric brush is fixed in the metal protective cover, and the electric brush component is communicated with the power supply of the refrigerating and heating semiconductor cold-hot sheet through a wire.
Preferably, a wiring channel is formed between the rim and the hub, and the semiconductor cold and hot sheet member is connected with the brush assembly by penetrating the wiring channel through a wire.
Preferably, the heat or cold generated by the semiconductor cold-hot plate near the rim side is transferred to the external environment through forced convection air generated by rotation of the rim, the wheel disc and the wheel hub.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. the invention adopts thermoelectric refrigeration technology and suspension type gravity center downward principle, and realizes the refrigeration and heating of the semiconductor cold and hot plates by the electric energy generated by the suspension type hub generator, thereby realizing the control of the tire air pressure, and the refrigeration and heating are rapid, the efficiency is high, and the practicability is strong.
2. The invention saves the trouble of replacing tires due to season alternation, solves the power supply problem by utilizing the suspension type hub generator, and prolongs the service life of the tires by the whole set of equipment; the temperature in the tire can be effectively controlled, so that the pressure of the tire is controlled to be maintained in a certain range, the tire burst risk is reduced, and the safety is improved.
Drawings
FIG. 1 is a flow chart of a method for controlling and stabilizing temperature of an automobile tire;
FIG. 2 is a schematic view of a hub according to the present invention;
FIG. 3 is a schematic diagram of a hub micro-generator in a method for controlling temperature and pressure of an automobile tire;
fig. 4 is a circuit diagram of a semiconductor cold and hot sheet in a temperature and pressure control method of an automobile tire.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-4, a temperature and pressure control method for an automobile tire comprises the following steps:
step one: a plurality of semiconductor cold and hot plates and temperature sensors are uniformly arranged on the inner surface of a rim of the hub, and a heat conducting plate with good heat conductivity is stuck on one side, close to the tire, of the semiconductor cold and hot plates, and is used for uniformly transmitting heat or cold to gas in the tire;
step two: an intelligent controller is arranged on the hub, a plurality of semiconductor cold and hot plates and temperature sensors are connected through the intelligent controller, the temperature values in the tire are detected in real time by the temperature sensors and are transmitted to the intelligent controller, and the intelligent controller controls the semiconductor cold and hot plates to work;
step three: the vehicle hub micro power generation device is arranged in the middle of the vehicle auxiliary plate, the vehicle hub micro power generation device generates power through kinetic energy in the vehicle form process, and electric energy is supplied to the temperature control device to control the work of the semiconductor cooling and heating sheet.
In this embodiment, the hub micro power generation device includes a metal protection cover, in which a suspension hub generator, a dual-power automatic converter, an electric brush, a voltage stabilizer, and a counterweight iron core are disposed;
the counterweight iron core is positioned at the bottom of the metal protecting cover, so that the bottoms of the suspended hub generator and the metal protecting cover are heavier than the upper part, namely the gravity center of the whole of the metal protecting cover and all fixing components in the metal protecting cover is deviated from the bottom; the suspension type hub generator is fixed with the metal protection cover through the counterweight iron core, and the metal protection cover is connected with the axle end of the tire through the axle of the suspension type hub generator; when the vehicle runs at a constant speed and the stress of the metal protecting cover and the internal fixing member thereof is balanced, the metal protecting cover and the internal fixing member thereof can keep an upright state all the time, namely keep a static state relative to the vehicle, and the shaft of the suspended hub generator and the tyre rotate at the same speed with the rotating speed. When the vehicle is in an acceleration or deceleration state, the metal protection cover and the internal fixing member of the metal protection cover also swing to a certain extent due to unstable stress, but the problems of power generation of the suspended hub generator and power supply to the temperature control device are not affected.
The electric energy generated by the suspension type hub generator is conveyed to an intelligent temperature controller after being stabilized by a voltage stabilizer, and the intelligent temperature controller controls the start and stop of a refrigerating and heating function; the current flowing out from the intelligent temperature controller flows through the dual-power automatic converter and then is transmitted to the electric brush to provide electric energy for the semiconductor cold and hot sheets, and the dual-power automatic converter is used for providing conversion of refrigeration or heating functions.
The electric brush is round, the center of the electric brush is positioned on a straight line where a motor shaft of the suspension type hub generator is positioned, the electric brush is fixed in the metal protective cover, and the electric brush component is communicated with the power supply of the refrigerating and heating semiconductor cold-hot sheet through a wire.
A wiring channel is formed between the rim and the hub, and the semiconductor cold and hot piece member is connected with the electric brush assembly by penetrating the wiring channel through a wire.
The heat or cold energy generated by the semiconductor cold-hot plate near the rim side is transferred to the external environment through the forced convection air generated by the rotation of the rim, the spoke and the hub.
The working principle of the invention is as follows: the invention adopts the thermoelectric refrigeration technology and the suspension type gravity center downward principle, when in use, the temperature value in the tire is detected by the temperature sensor in the running process of the vehicle, the value is transmitted to the intelligent controller, the intelligent controller controls the semiconductor cooling and heating sheet to work, meanwhile, the kinetic energy in the form of the vehicle is used for generating power for the hub micro-power generation device, the electric energy generated by the suspension type hub generator realizes the cooling and heating of the semiconductor cooling and heating sheet, and further, the control of the tire pressure is realized, and the cooling and heating are rapid, the efficiency is high, and the practicability is strong.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (7)
1. A temperature control and pressure stabilization method for an automobile tire is characterized by comprising the following steps of: the method comprises the following steps:
step one: a plurality of semiconductor cold and hot plates and temperature sensors are uniformly arranged on the inner surface of a rim of the hub, and a heat conducting plate with good heat conductivity is stuck on one side, close to the tire, of the semiconductor cold and hot plates, and is used for uniformly transmitting heat or cold to gas in the tire;
step two: an intelligent controller is arranged on the hub, a plurality of semiconductor cold and hot plates and temperature sensors are connected through the intelligent controller, the temperature values in the tire are detected in real time by the temperature sensors and are transmitted to the intelligent controller, and the intelligent controller controls the semiconductor cold and hot plates to work;
step three: the vehicle hub micro power generation device is arranged in the middle of the vehicle auxiliary plate, the vehicle hub micro power generation device generates power through kinetic energy in the vehicle form process, and electric energy is supplied to the temperature control device to control the work of the semiconductor cooling and heating sheet.
2. The method for controlling and stabilizing the temperature of an automobile tire according to claim 1, wherein: the miniature generating set of car hub includes the metal protection cover, be equipped with suspension type car hub generator, dual supply automatic converter, brush, stabiliser and counter weight iron core in the metal protection cover.
3. A method for controlling and stabilizing the temperature of an automobile tire as claimed in claim 2, wherein: the counterweight iron core is positioned at the bottom of the metal protecting cover, so that the bottoms of the suspended hub generator and the metal protecting cover are heavier than the upper part, namely the gravity center of the whole of the metal protecting cover and all fixing components in the metal protecting cover is deviated from the bottom; the suspension type hub generator is fixed with the metal protection cover through the counterweight iron core, and the metal protection cover is connected with the axle end of the tire through the axle of the suspension type hub generator; when the vehicle runs at a constant speed and the stress of the metal protecting cover and the internal fixing member thereof is balanced, the metal protecting cover and the internal fixing member thereof can keep an upright state all the time, namely keep a static state relative to the vehicle, and the shaft of the suspended hub generator and the tyre rotate at the same speed with the rotating speed. When the vehicle is in an acceleration or deceleration state, the metal protection cover and the internal fixing member of the metal protection cover also swing to a certain extent due to unstable stress, but the problems of power generation of the suspended hub generator and power supply to the temperature control device are not affected.
4. A method of controlling and stabilizing the temperature of an automotive tire as claimed in claim 3, wherein: the electric energy generated by the suspension type hub generator is conveyed to an intelligent temperature controller after being stabilized by a voltage stabilizer, and the intelligent temperature controller controls the start and stop of a refrigerating and heating function; the current flowing out from the intelligent temperature controller flows through the dual-power automatic converter and then is transmitted to the electric brush to provide electric energy for the semiconductor cold and hot sheets, and the dual-power automatic converter is used for providing conversion of refrigeration or heating functions.
5. The method for controlling and stabilizing the temperature of an automobile tire according to claim 4, wherein: the electric brush is round, the center of the electric brush is positioned on a straight line where a motor shaft of the suspension type hub generator is positioned, the electric brush is fixed in the metal protective cover, and the electric brush component is communicated with the power supply of the refrigerating and heating semiconductor cold-hot sheet through a wire.
6. The method for controlling and stabilizing the temperature of an automobile tire according to claim 5, wherein: a wiring channel is formed between the rim and the hub, and the semiconductor cold and hot piece member is connected with the electric brush assembly by penetrating the wiring channel through a wire.
7. The method for controlling and stabilizing the temperature and pressure of an automobile tire according to claim 6, wherein: the heat or cold energy generated by the semiconductor cold-hot plate near the rim side is transferred to the external environment through the forced convection air generated by the rotation of the rim, the spoke and the hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476425.9A CN116442689A (en) | 2023-04-27 | 2023-04-27 | Temperature control and pressure stabilization method for automobile tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310476425.9A CN116442689A (en) | 2023-04-27 | 2023-04-27 | Temperature control and pressure stabilization method for automobile tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116442689A true CN116442689A (en) | 2023-07-18 |
Family
ID=87127337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310476425.9A Pending CN116442689A (en) | 2023-04-27 | 2023-04-27 | Temperature control and pressure stabilization method for automobile tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116442689A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115648861A (en) * | 2022-08-30 | 2023-01-31 | 重庆长安汽车股份有限公司 | System and method for automatically adjusting tire pressure |
-
2023
- 2023-04-27 CN CN202310476425.9A patent/CN116442689A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115648861A (en) * | 2022-08-30 | 2023-01-31 | 重庆长安汽车股份有限公司 | System and method for automatically adjusting tire pressure |
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