CN207496406U - A kind of vehicle flat tire emergency system - Google Patents
A kind of vehicle flat tire emergency system Download PDFInfo
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- CN207496406U CN207496406U CN201721278445.1U CN201721278445U CN207496406U CN 207496406 U CN207496406 U CN 207496406U CN 201721278445 U CN201721278445 U CN 201721278445U CN 207496406 U CN207496406 U CN 207496406U
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Abstract
A kind of vehicle flat tire emergency system, including control unit and the tyre pressure sensor being connected electrically, temperature sensor, ABS control unit, ESC control units, human-computer interaction interface, tyre pressure sensor is fixed on temperature sensor and blows out in emergent support device, emergent support device of blowing out is mechanically connected with wheel rim, ABS control unit is electrically connected with ESC control units, wheel speed sensors, abs valve, wheel speed sensors, abs valve and wheel rim are mechanically connected, and ESC control units are electrically connected with yaw-rate sensor, rotary angle transmitter, lateral acceleration sensor；After vehicle flat tire, emergent support device of blowing out so that vehicle continues to travel, coordinate ESC control units and send out instruction to ABS control unit by control unit, completes the adjustment of abs valve duty ratio, and then the braking moment of wheel is adjusted, so as to maintain riding stability while vehicle independently slows down.Not only stability is high, safe, but also reliability is high by the design.
Description
Technical field
The utility model is related to technical field of vehicle safety more particularly to a kind of vehicle flat tire emergency systems, main to be applicable in
In the stability and security performance that improve rear vehicle of blowing out.
Background technology
Mainly there are internal supporter tyre, emergent pneumatic tire, tire pressure monitoring TPMS currently for the safety device of vehicle flat tire
System, tyre explosion safety control system and emergent protective device of blowing out.Wherein internal supporter tyre mesh due to installation and dynamic balancing
Preceding application is less；Equipped with emergency gas flushing device tire, after monitoring that tire pressure reduces, gas is manufactured to wheel by igniting gunpowder
Tire spare inner tube carries out emergent inflation, alleviates unstability after vehicle flat tire, but the technology not only adds additional tire weight
Amount, has a great impact to tire dynamic and balance, and ignites gunpowder and bring security risk in itself to vehicle；Tire pressure monitoring TPMS systems
System can monitor tire pressure and tyre temperature in real time, and judge tire whether gas leakage or tire temperature it is whether normal, when tire pressure or
To driver's early warning during person's tyre temperature exception, certain safeguard protection can be played the role of, but TPMS systems only have early warning
Function can not then accomplish to protect for the accident of blowing out；Tyre explosion safety control system is then the performance to TPMS tire pressure monitoring systems
Extension, after tyre explosion is detected can automatic retarding even stop, but travelled after not ensuring that vehicle flat tire steady
It is qualitative, and due to scenes such as presence signal lag or driver's interventions, can not accomplish emergent protection at the first time；It is quick-fried
Tire meet an urgent need protective device be then by increasing support ring in rim notches, make to ensure after vehicle flat tire tire lip without departing from
Wheel rim ensures there is one layer of rubber always between wheel rim and ground, ensures the controllability of the steering of vehicle, but the device only exists
Competence exertion acts on after blowing out, and can not accomplish to monitor situation in tire in real time in vehicle driving process, in tire pressure and wheel
It can not accomplish active defense during tire temperature anomaly；Also one kind is blown out emergency set, can stretch out spare wheel in vehicle flat tire
To maintain vehicle balance, but the device needs to install spare wheel, not only complicated, but also additionally increases vehicle weight, together
Shi Wufa accomplishes that inside tires monitor in real time, and applicability is not strong.
Chinese patent, Authorization Notice No. CN102765384B, authorized announcement date are in August, 2015 disclosure of the invention of 5 days
Emergency treatment System after a kind of vehicle flat tire, for blowing out in vehicle travel process when, control the direction of vehicle
System, including tire pressure monitoring system, for monitoring tire pressure, and is sent to CAN bus by signal of tyre burst；Steering wheel angle sensor,
For the corner information of detection direction disk；Electric power steering assists control direction after receiving signal of tyre burst from CAN bus
Disk.Although the invention can realize the control to direction of traffic after vehicle flat tire, it still has following defect：The invention is examined
Measure after tyre explosion can automatic retarding even stop, but the stability travelled after not ensuring that vehicle flat tire, meanwhile,
After tyre explosion, vehicle can not continue to travel, and reduce the security performance of vehicle.
Invention content
The purpose of the utility model is to overcome the defects of stability in the prior art is low, safety is low and problem,
A kind of stability height, safe vehicle flat tire emergency system are provided.
In order to achieve the above object, the technical solution of the utility model is：A kind of vehicle flat tire emergency system, including control
Unit processed, anti-lock braking system, electronic stabilizing control system and the tyre pressure sensor being electrically connected with control unit, temperature pass
Sensor, described control unit is electrically connected by CAN bus with anti-lock braking system, electronic stabilizing control system, described antilock
Dead braking system is electrically connected by CAN bus with electronic stabilizing control system；
The vehicle flat tire emergency system further includes emergent support device of blowing out, the tyre pressure sensor and temperature sensor
It is each attached to and blows out in emergent support device, emergent support device of blowing out is mechanically connected by bolt and wheel rim；
The anti-lock braking system includes ABS control unit and the wheel speed sensors, the ABS that are connected electrically respectively
Valve, the electronic stabilizing control system include ESC control units and the yaw-rate sensor being connected electrically respectively, turn
Angle transducer, lateral acceleration sensor, the ABS control unit pass through CAN bus and control unit, ESC control units electricity
Connection, the wheel speed sensors, abs valve are mechanically connected with wheel rim, and the ESC control units are single with control by CAN bus
Member electrical connection.
The vehicle flat tire emergency system further includes human-computer interaction interface, and the human-computer interaction interface is electrically connected with control unit
It connects, human-computer interaction interface is mounted on meter panel of motor vehicle, and human-computer interaction interface is used to show the tire pressure of each tire and temperature letter
Breath and positioning abnormal tyre pressure, temperature anomaly, the tire blown out, and send out early warning.
The vehicle flat tire emergency system further includes alarm unit, and the alarm unit is electrically connected with control unit.
The vehicle flat tire emergency system further includes stop, tail and number plate light, and the stop, tail and number plate light is electrically connected with control unit.
Compared with prior art, the beneficial effects of the utility model are：
1st, tyre pressure sensor and temperature sensor are each attached to and blow out in a kind of vehicle flat tire emergency system of the utility model
In emergent support device, emergent support device of blowing out is mechanically connected by bolt and wheel rim, and above-mentioned design is protected after vehicle flat tire
There is one layer of rubber between card wheel rim and ground, sufficiently longitudinally power and lateral force are provided for wheel, so as to ensure that vehicle is being blown out
After can continue to traveling a certain distance, improve the security performance of vehicle；Anti-lock braking system include ABS control unit with
And wheel speed sensors, the abs valve being connected electrically respectively, electronic stabilizing control system include ESC control units and respectively with
Its yaw-rate sensor being electrically connected, rotary angle transmitter, lateral acceleration sensor, ABS control unit pass through CAN bus
It is electrically connected with control unit, ESC control units, wheel speed sensors, abs valve are mechanically connected with wheel rim, and ESC control units are led to
CAN bus is crossed to be electrically connected with control unit, above-mentioned design when vehicle is blown out, control unit coordinate ESC control units to
ABS control unit sends out instruction, completes the adjustment of abs valve duty ratio, adjusts the braking moment of wheel in real time, vehicle is made independently to slow down
While maintain vehicle traveling stability.Therefore, the utility model stability is high, safe.
2nd, vehicle flat tire emergency system further includes human-computer interaction interface in a kind of vehicle flat tire emergency system of the utility model,
Human-computer interaction interface is electrically connected with control unit, and human-computer interaction interface is mounted on meter panel of motor vehicle, and human-computer interaction interface is real-time
Show the tire pressure and temperature information of each tire, and abnormal tyre pressure, temperature anomaly, blow out when sent out at the first time to driver
Early warning to prevent the danger that may occur, improves the unfailing performance of vehicle；Vehicle flat tire emergency system further includes alarm
Unit and stop, tail and number plate light, alarm unit, stop, tail and number plate light are electrically connected with control unit, after vehicle flat tire, to driver and
Rear provides alarm and braking information, improves the security performance of vehicle.Therefore, the utility model reliability is high, safe.
Description of the drawings
Fig. 1 is the structure diagram of vehicle flat tire emergency system in the utility model.
Fig. 2 is the control principle schematic diagram of vehicle flat tire emergency system control method in the utility model.
Fig. 3 is the control flow schematic diagram of vehicle flat tire emergency system control method in the utility model.
Fig. 4 is the schematic diagram of human-computer interaction interface in the utility model.
In figure：Control unit 1, tyre pressure sensor 2, temperature sensor 3, emergent support device 4 of blowing out, wheel rim 5, ABS controls
It is unit 6 processed, wheel speed sensors 7, abs valve 8, ESC control units 9, yaw-rate sensor 10, rotary angle transmitter 11, lateral
Acceleration transducer 12, human-computer interaction interface 13, alarm unit 14, stop, tail and number plate light 15.
Specific embodiment
The utility model is described in further detail below in conjunction with description of the drawings and specific embodiment.
Referring to Fig. 1 to Fig. 4, a kind of vehicle flat tire emergency system is steady including control unit 1, anti-lock braking system, electronics
Determine control system and the tyre pressure sensor 2 being electrically connected with control unit 1, temperature sensor 3, described control unit 1 pass through CAN
Bus is electrically connected with anti-lock braking system, electronic stabilizing control system, and the anti-lock braking system passes through CAN bus and electricity
Sub- stabilizing control system electrical connection；
The vehicle flat tire emergency system further includes emergent support device 4 of blowing out, the tyre pressure sensor 2 and temperature sensing
Device 3, which is each attached to, blows out in emergent support device 4, and emergent support device 4 of blowing out is mechanically connected by bolt and wheel rim 5；
The anti-lock braking system includes ABS control unit 6 and the wheel speed sensors 7, the ABS that are connected electrically respectively
Valve 8, the electronic stabilizing control system include ESC control units 9 and the yaw-rate sensor being connected electrically respectively
10th, rotary angle transmitter 11, lateral acceleration sensor 12, the ABS control unit 6 pass through CAN bus and control unit 1, ESC
Control unit 9 is electrically connected, and the wheel speed sensors 7, abs valve 8 are mechanically connected with wheel rim 5, and the ESC control units 9 pass through
CAN bus is electrically connected with control unit 1.
The vehicle flat tire emergency system further includes human-computer interaction interface 13, the human-computer interaction interface 13 and control unit
1 electrical connection, human-computer interaction interface 13 are mounted on meter panel of motor vehicle, and human-computer interaction interface 13 is used to show the tire pressure of each tire
And temperature information and positioning abnormal tyre pressure, temperature anomaly, the tire blown out, and send out early warning.
The vehicle flat tire emergency system further includes alarm unit 14, and the alarm unit 14 is electrically connected with control unit 1.
The vehicle flat tire emergency system further includes stop, tail and number plate light 15, the stop, tail and number plate light 15 and 1 electricity of control unit
Connection.
A kind of control method of vehicle flat tire emergency system, the control method include the following steps：
After the power is turned on, control unit 1 monitors wheel tyre pressure and temperature to vehicle in real time by tyre pressure sensor 2, temperature sensor 3
Information, and judge tire pressure with temperature whether in normal range (NR)；
After vehicle flat tire is judged, emergent support device 4 of blowing out prevents tire from being detached with wheel rim 5, ensure wheel rim 5 not with ground
Face is in direct contact, to provide lateral force and longitudinal force for vehicle, at the same time, control unit 1 by analyzing and positioning blow out wheel and
Vehicle attitude, and coordinate ESC control units 9 and determine vehicle target driving trace, by comparing vehicle target driving trace and vehicle
Actual travel track adjusts 8 duty ratio size of abs valve, and then adjust the braking moment of wheel, when vehicle deceleration and vehicle
During in stable state, control method terminates.
The vehicle flat tire emergency system further includes human-computer interaction interface 13, the human-computer interaction interface 13 and control unit
1 electrical connection, human-computer interaction interface 13 are mounted on meter panel of motor vehicle；
When wheel tyre pressure and temperature anomaly, early warning is sent out to driver by human-computer interaction interface 13 and is highlighted；
When control unit 1 positioning blow out wheel after, control unit 1 by human-computer interaction interface 13 to driver send out early warning and
It is highlighted, terminates early warning after vehicle parking and wheel of blowing out are handled and is highlighted.
The principle of the utility model is described as follows：
A kind of vehicle flat tire emergency system of the design and its control method, it is desirable that vehicle configuration has ESC system and ABS systems
System realizes braking force distribution and maintenance vehicle stabilization sexual function so that the design calls, should be designed for simplifying structure, ensuring vehicle
Automatic retarding and intact stability is maintained after blowing out, directional stability and continuation of the journey walking can be maintained after vehicle flat tire to realize
Ability.
The design emergency set that will blow out is combined with tire pressure monitoring system, overcome existing for existing system it is complicated, should
The problem of with narrow range, vehicle pressure of tire and temperature can be monitored, and when inside tires occur abnormal in real time by providing one kind
Early warning is carried out, while ensures that wheel rim is not in direct contact with ground after vehicle flat tire, wheel is maintained there are enough lateral forces to provide
It turns to, and blow out position and form can be positioned, provide vehicle braking mode according to motion state during vehicle flat tire, at the same time
Coordinate ESC and abs valve functional characteristic called to adjust each wheel brake force to realize differential braking, it is ensured that vehicle is maintained within the shortest time
Speed is simultaneously reduced in the range of safe speed even parking, while provide alarm and braking letter to driver and rear by stability
Breath.
Tyre pressure sensor monitors vehicle inside tires tire pressure and temperature information, and pass to control in real time with temperature sensor
Unit, tyre pressure sensor are fixed on temperature sensor and blow out in emergent support device, are integrally formed formula device, and utilize bolt
Fastening is allowed to be connected with rim notches, and when ensureing vehicle flat tire, tire is not detached with wheel rim, ensures there is one between wheel rim and ground
Layer rubber, provides the lateral force and longitudinal force of Vehicular turn and traveling, it is not in serious sideslip problem to make vehicle, can be in vehicle
It can continue to travel after blowing out.
Human-computer interaction interface is mounted on instrument board, each wheel tyre pressure of real-time display and temperature information, when tire pressure and temperature
When degree occurs abnormal, early warning is sent out to driver, corresponding wheel is highlighted when blowing out, and makes driver first
Position of blowing out is found in time, wherein, processing is numbered to each wheel, if front axle left front tire number is 51, off-front wheel
Tire is 52, and so on each wheel is numbered, each tire has particular number so as to right in human-computer interaction interface
It should show, driver is facilitated to understand each wheel information, and correspondence problem wheel is found in time in tire pressure, temperature anomaly and while blowing out
Tire maintains vehicle flat tire rear stability by longitudinal direction of car and crosswise joint.4 human-computer interaction interface of attached drawing only shows that 6 × 4 lead
Draw vehicle hum pattern, other vehicles can be extended according to the principle.
The system control unit, by vehicle CAN bus real-time communication, leads to ABS control unit and ESC control units
It crosses ESC control units and monitors vehicle yaw velocity, side acceleration and corner information in real time, coordinate when vehicle is blown out
ESC control units send out instruction to ABS control unit, complete the adjustment of abs valve duty ratio, real-time dynamic regulation target wheel
Braking moment makes vehicle maintain vehicle run stability while independently deceleration.
Referring to Fig. 2, control unit judges that vehicle occurs being after blowing out by tire pressure, temperature sensor and ESC control units
It is no to be in stable state, by calling abs valve functional characteristic, ABS duty ratios are adjusted, accurate adjustment lock onto target wheel is braked in real time
Torque realizes that vehicle differential braking makes vehicle restore both fixed tracks and travels.
Referring to Fig. 3, the design passes through tire by judging whether tire pressure and temperature normally determine the open and close of early warning
Buckling rate is to determine whether blow out, and lock blow out position and vehicle attitude, while coordinate ESC control units and determine target track
Mark adjusts abs valve duty ratio size, and then realize the braking moment of specific wheel by comparing target trajectory with actual path
Accurate control terminates whole flow process when monitoring in the range of vehicle deceleration to safe speed and vehicle is in stable state.
The design can realize tire status real time monitor in vehicle full speed range and maintain intact stability and transmit phase to driver
Information is closed, is ensured when unstable state occur in abnormal tyre pressure, temperature anomaly and vehicle at the first time to driver's early warning, prevention
The danger that may occur；In addition, using the basic function of ABS Jian Ya ∕ pressurizes, realized by the duty ratio size for controlling abs valve
The real-time accurate adjusting of braking moment；Meanwhile no matter whether vehicle the situation of blowing out occurs, intact stability control can be provided
System.
Embodiment：
Referring to Fig. 1, a kind of vehicle flat tire emergency system, including control unit 1, anti-lock braking system, electronic stability control
System processed and the tyre pressure sensor 2 being electrically connected with control unit 1, temperature sensor 3, the anti-lock braking system include
ABS control unit 6 and the wheel speed sensors 7 being connected electrically respectively, abs valve 8, the electronic stabilizing control system include
ESC control units 9 and the yaw-rate sensor 10 being connected electrically respectively, rotary angle transmitter 11, side acceleration pass
Sensor 12；The vehicle flat tire emergency system further includes emergent support device 4 of blowing out, and the vehicle flat tire emergency system further includes
Human-computer interaction interface 13, alarm unit 14, stop, tail and number plate light 15, the tyre pressure sensor 2 are each attached to quick-fried with temperature sensor 3
Tire is met an urgent need in support device 4, and emergent support device 4 of blowing out is mechanically connected by bolt and wheel rim 5；The ABS control unit 6 is logical
It crosses CAN bus to be electrically connected with control unit 1, ESC control units 9, the wheel speed sensors 7, abs valve 8 connect with 5 machinery of wheel rim
It connects, the ESC control units 9 are electrically connected by CAN bus with control unit 1；The human-computer interaction interface 13 and control unit 1
Electrical connection, human-computer interaction interface 13 are mounted on meter panel of motor vehicle, and human-computer interaction interface 13 is used to show the tire pressure of each tire
And temperature information and positioning abnormal tyre pressure, temperature anomaly, the tire blown out, and send out early warning；The alarm unit 14
It is electrically connected with control unit 1；The stop, tail and number plate light 15 is electrically connected with control unit 1.
By said program, referring to Fig. 1 to Fig. 3, a kind of control method of vehicle flat tire emergency system, the control method packet
Include following steps：
After the power is turned on, control unit 1 monitors wheel tyre pressure and temperature to vehicle in real time by tyre pressure sensor 2, temperature sensor 3
Information, and judge tire pressure with temperature whether in normal range (NR)；When wheel tyre pressure and temperature anomaly, by human-computer interaction circle
Face 13 sends out early warning to driver and is highlighted；
After vehicle flat tire is judged, emergent support device 4 of blowing out prevents tire from being detached with wheel rim 5, ensure wheel rim 5 not with ground
Face is in direct contact, to provide lateral force and longitudinal force for vehicle, at the same time, control unit 1 by analyzing and positioning blow out wheel and
Vehicle attitude, later, control unit 1 send out early warning to driver by human-computer interaction interface 13 and are highlighted（Early warning and height
Bright display terminates after vehicle parking and wheel of blowing out are handled）, and coordinate ESC control units 9 and determine that vehicle target travels
Track adjusts 8 duty ratio size of abs valve, and then adjust by comparing vehicle target driving trace with vehicle actual travel track
The braking moment of vehicle wheel, when vehicle deceleration and when vehicle is in stable state, control method terminates.
Claims (4)
1. a kind of vehicle flat tire emergency system, including control unit（1）, anti-lock braking system, electronic stabilizing control system with
And and control unit（1）The tyre pressure sensor of electrical connection（2）, temperature sensor（3）, described control unit（1）Pass through CAN bus
It is electrically connected with anti-lock braking system, electronic stabilizing control system, the anti-lock braking system is steady with electronics by CAN bus
Determine control system electrical connection, it is characterised in that：
The vehicle flat tire emergency system further includes emergent support device of blowing out（4）, the tyre pressure sensor（2）With temperature sensing
Device（3）It is each attached to emergent support device of blowing out（4）On, emergent support device of blowing out（4）Pass through bolt and wheel rim（5）Machinery is even
It connects；
The anti-lock braking system includes ABS control unit（6）And the wheel speed sensors being connected electrically respectively（7）、ABS
Valve（8）, the electronic stabilizing control system include ESC control units（9）And the yaw velocity being connected electrically respectively passes
Sensor（10）, rotary angle transmitter（11）, lateral acceleration sensor（12）, the ABS control unit（6）By CAN bus with
Control unit（1）, ESC control units（9）Electrical connection, the wheel speed sensors（7）, abs valve（8）And wheel rim（5）Machinery is even
It connects, the ESC control units（9）Pass through CAN bus and control unit（1）Electrical connection.
2. a kind of vehicle flat tire emergency system according to claim 1, it is characterised in that：The vehicle flat tire emergency system
Further include human-computer interaction interface（13）, the human-computer interaction interface（13）With control unit（1）Electrical connection, human-computer interaction interface
（13）On meter panel of motor vehicle, human-computer interaction interface（13）For show the tire pressure of each tire and temperature information and
Abnormal tyre pressure, temperature anomaly, the tire blown out are positioned, and sends out early warning.
3. a kind of vehicle flat tire emergency system according to claim 1 or 2, it is characterised in that：The vehicle flat tire is met an urgent need
System further includes alarm unit（14）, the alarm unit（14）With control unit（1）Electrical connection.
4. a kind of vehicle flat tire emergency system according to claim 3, it is characterised in that：The vehicle flat tire emergency system
Further include stop, tail and number plate light（15）, the stop, tail and number plate light（15）With control unit（1）Electrical connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721278445.1U CN207496406U (en) | 2017-09-30 | 2017-09-30 | A kind of vehicle flat tire emergency system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721278445.1U CN207496406U (en) | 2017-09-30 | 2017-09-30 | A kind of vehicle flat tire emergency system |
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| CN207496406U true CN207496406U (en) | 2018-06-15 |
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ID=62499369
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| CN201721278445.1U Active CN207496406U (en) | 2017-09-30 | 2017-09-30 | A kind of vehicle flat tire emergency system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719037A (en) * | 2017-09-30 | 2018-02-23 | 东风商用车有限公司 | A kind of vehicle flat tire emergency system and its control method |
| CN109606034A (en) * | 2018-12-11 | 2019-04-12 | 湖北汽车工业学院 | One kind is blown out early warning system and method for early warning |
| CN110696817A (en) * | 2019-10-22 | 2020-01-17 | 杭州精是智能科技有限公司 | Method for stably controlling driving direction of automobile after tire burst |
| CN113580854A (en) * | 2021-08-30 | 2021-11-02 | 重庆长安汽车股份有限公司 | Vehicle tire pressure monitoring and reminding system and method |
-
2017
- 2017-09-30 CN CN201721278445.1U patent/CN207496406U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107719037A (en) * | 2017-09-30 | 2018-02-23 | 东风商用车有限公司 | A kind of vehicle flat tire emergency system and its control method |
| CN109606034A (en) * | 2018-12-11 | 2019-04-12 | 湖北汽车工业学院 | One kind is blown out early warning system and method for early warning |
| CN110696817A (en) * | 2019-10-22 | 2020-01-17 | 杭州精是智能科技有限公司 | Method for stably controlling driving direction of automobile after tire burst |
| CN113580854A (en) * | 2021-08-30 | 2021-11-02 | 重庆长安汽车股份有限公司 | Vehicle tire pressure monitoring and reminding system and method |
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