CN107719037A - A kind of vehicle flat tire emergency system and its control method - Google Patents
A kind of vehicle flat tire emergency system and its control method Download PDFInfo
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- CN107719037A CN107719037A CN201710919483.9A CN201710919483A CN107719037A CN 107719037 A CN107719037 A CN 107719037A CN 201710919483 A CN201710919483 A CN 201710919483A CN 107719037 A CN107719037 A CN 107719037A
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- vehicle
- control unit
- flat tire
- wheel
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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
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0486—Signalling devices actuated by tyre pressure mounted on the wheel or tyre comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
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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
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0447—Wheel or tyre mounted circuits
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/1755—Brake regulation specially adapted to control the stability of the vehicle, e.g. taking into account yaw rate or transverse acceleration in a curve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T8/00—Arrangements for adjusting wheel-braking force to meet varying vehicular or ground-surface conditions, e.g. limiting or varying distribution of braking force
- B60T8/17—Using electrical or electronic regulation means to control braking
- B60T8/176—Brake regulation specially adapted to prevent excessive wheel slip during vehicle deceleration, e.g. ABS
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Regulating Braking Force (AREA)
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 blown out in emergent support meanss, emergent support meanss of blowing out mechanically connect with wheel rim, ABS control unit electrically connects with ESC control units, wheel speed sensors, abs valve, wheel speed sensors, abs valve and wheel rim mechanically connect, and ESC control units electrically connect with yaw-rate sensor, rotary angle transmitter, lateral acceleration sensor；After vehicle flat tire, emergent support meanss of blowing out so that vehicle continues to travel, coordinate ESC control units and send instruction to ABS control unit by control unit, completes the adjustment of abs valve dutycycle, 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 by the design, and reliability is high.
Description
Technical field
The present invention relates to technical field of vehicle safety, more particularly to a kind of vehicle flat tire emergency system and its control method,
It is primarily adapted for use in the stability and security performance for improving 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 protector of blowing out.Wherein internal supporter tyre is due to installation and dynamic balancing reason mesh
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 potential safety hazard 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 effect can be played, but TPMS systems only have early warning
Function, it 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 the scenes such as signal lag or driver's intervention be present, emergent protection can not be accomplished in the very first time；It is quick-fried
Tire meet an urgent need protector be then by increasing support ring in rim notches, make to ensure after vehicle flat tire tire lip without departing from
Wheel rim, ensure there is one layer of rubber all the time between wheel rim and ground, ensure 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 during vehicle traveling, in tire pressure and wheel
Active defense can not be accomplished 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, and 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, the direction of vehicle is controlled during for being blown out in vehicle travel process
System, including tire pressure monitoring system, CAN is sent to for monitoring tire pressure, and by signal of tyre burst；Steering wheel angle sensor,
For detecting the corner information of steering wheel；Electric power steering, control direction is aided in after receiving signal of tyre burst from CAN
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
Measuring after tyre explosion automatic retarding or even to 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.
The content of the invention
The purpose of the present invention is to overcome the defects of stability present in prior art is low, security is low and problem, there is provided
A kind of stability high, safe vehicle flat tire emergency system and its control method.
To realize object above, technical solution of the invention is：A kind of vehicle flat tire emergency system, including control are single
Member, anti-lock braking system, electronic stabilizing control system and the tyre pressure sensor electrically connected with control unit, TEMP
Device, described control unit are electrically connected by CAN with anti-lock braking system, electronic stabilizing control system, the anti-lock
Brakes is electrically connected by CAN with electronic stabilizing control system；
The vehicle flat tire emergency system also includes emergent support meanss of blowing out, and the tyre pressure sensor is solid with temperature sensor
It is scheduled on and blows out in emergent support meanss, emergent support meanss 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 valve that are connected electrically respectively, institute
Stating electronic stabilizing control system includes ESC control units and the yaw-rate sensor being connected electrically respectively, corner biography
Sensor, lateral acceleration sensor, the ABS control unit are electrically connected by CAN with control unit, ESC control units,
The wheel speed sensors, abs valve are mechanically connected with wheel rim, and the ESC control units are electrically connected by CAN and control unit
Connect.
The vehicle flat tire emergency system also includes human-computer interaction interface, and the human-computer interaction interface is electrically connected with control unit
Connect, human-computer interaction interface is arranged on meter panel of motor vehicle, and human-computer interaction interface is used for the tire pressure for showing each tire and temperature letter
Breath, and positioning abnormal tyre pressure, temperature anomaly, the tire blown out, and send early warning.
The vehicle flat tire emergency system also includes alarm unit, and the alarm unit electrically connects with control unit.
The vehicle flat tire emergency system also includes stop, tail and number plate light, and the stop, tail and number plate light electrically connects with control unit.
A kind of control method of vehicle flat tire emergency system, the control method comprise the following steps：
On vehicle after electricity, control unit monitors wheel tyre pressure and temperature information in real time by tyre pressure sensor, temperature sensor, and
Judge tire pressure with temperature whether in normal range (NR)；
After vehicle flat tire is judged, emergent support meanss of blowing out prevent tire from being separated with wheel rim, ensure that wheel rim is not direct with ground
Contact, to provide side force and longitudinal force for vehicle, at the same time, control unit by analyzing and positioning blow out take turns and vehicle appearance
State, and coordinate ESC control units and determine vehicle target driving trace, by contrasting vehicle target driving trace and the actual row of vehicle
Track is sailed to adjust abs valve dutycycle size, and then adjusts the braking moment of wheel, when vehicle deceleration and vehicle are in and stablize shape
During state, control method terminates.
The vehicle flat tire emergency system also includes human-computer interaction interface, and the human-computer interaction interface is electrically connected with control unit
Connect, human-computer interaction interface is arranged on meter panel of motor vehicle；
When wheel tyre pressure and temperature anomaly, early warning is sent to driver by human-computer interaction interface and is highlighted；
After wheel is blown out in control unit positioning, control unit sends early warning to driver by human-computer interaction interface and highlighted aobvious
Show, terminate early warning after vehicle parking and wheel of blowing out are handled and be highlighted.
Compared with prior art, beneficial effects of the present invention are：
1st, tyre pressure sensor and temperature sensor are each attached in a kind of vehicle flat tire emergency system and its control method of the invention
Blow out in emergent support meanss, emergent support meanss of blowing out are mechanically connected by bolt and wheel rim, and above-mentioned design is in vehicle flat tire
Ensure there is one layer of rubber between wheel rim and ground afterwards, sufficiently longitudinally power and side force are provided for wheel, so as to ensure that vehicle exists
It can continue to travel a certain distance after blowing out, improve the security performance of vehicle；It is single that anti-lock braking system includes ABS controls
Member and wheel speed sensors, the abs valve being connected electrically respectively, electronic stabilizing control system include ESC control units and divided
The yaw-rate sensor that is not connected electrically, rotary angle transmitter, lateral acceleration sensor, ABS control unit pass through CAN
Bus electrically connects with control unit, ESC control units, and wheel speed sensors, abs valve mechanically connect with wheel rim, and ESC controls are single
Member is electrically connected by CAN with control unit, and when vehicle is blown out, it is single that control unit coordinates ESC controls for above-mentioned design
Member sends instruction to ABS control unit, completes the adjustment of abs valve dutycycle, adjusts the braking moment of wheel in real time, make vehicle autonomous
The stability of vehicle traveling is maintained while deceleration.Therefore, stability of the present invention is high, safe.
2nd, in a kind of vehicle flat tire emergency system of the present invention and its control method vehicle flat tire emergency system also include it is man-machine
Interactive interface, human-computer interaction interface are electrically connected with control unit, and human-computer interaction interface is arranged on meter panel of motor vehicle, man-machine interaction
The tire pressure and temperature information of each tire of interface real-time display, and abnormal tyre pressure, temperature anomaly, blow out when the very first time to driving
The person of sailing sends early warning, to prevent the danger that may occur, improves the unfailing performance of vehicle；Vehicle flat tire emergency system is also
Including alarm unit and stop, tail and number plate light, alarm unit, stop, tail and number plate light electrically connect with control unit, after vehicle flat tire, to
Driver and rear provide alarm and braking information, improve the security performance of vehicle.Therefore, reliability of the present invention is high, safe
Property it is high.
Brief description of the drawings
Fig. 1 is the structural representation of vehicle flat tire emergency system in the present invention.
Fig. 2 is the control principle schematic diagram of vehicle flat tire emergency system control method in the present invention.
Fig. 3 is the control flow schematic diagram of vehicle flat tire emergency system control method in the present invention.
Fig. 4 is the schematic diagram of human-computer interaction interface in the present invention.
In figure：Control unit 1, tyre pressure sensor 2, temperature sensor 3, emergent support meanss 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.
Embodiment
Below in conjunction with brief description of the drawings, the present invention is further detailed explanation with embodiment.
Referring to Fig. 1 to Fig. 4, a kind of vehicle flat tire emergency system, including control unit 1, anti-lock braking system, electronics are steady
Determine control system and the tyre pressure sensor 2 electrically connected with control unit 1, temperature sensor 3, described control unit 1 pass through CAN
Bus electrically connects with anti-lock braking system, electronic stabilizing control system, and the anti-lock braking system passes through CAN and electricity
Sub- stabilizing control system electrical connection；
The vehicle flat tire emergency system also includes emergent support meanss 4 of blowing out, the tyre pressure sensor 2 and temperature sensor 3
It is each attached to and blows out in emergent support meanss 4, emergent support meanss 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 valve 8 that are connected electrically respectively,
The electronic stabilizing control system includes ESC control units 9 and the yaw-rate sensor 10 being connected electrically respectively, turned
Angle transducer 11, lateral acceleration sensor 12, the ABS control unit 6 are controlled by CAN and control unit 1, ESC
Unit 9 electrically connects, and the wheel speed sensors 7, abs valve 8 mechanically connect with wheel rim 5, and the ESC control units 9 are total by CAN
Line electrically connects with control unit 1.
The vehicle flat tire emergency system also includes human-computer interaction interface 13, the human-computer interaction interface 13 and control unit
1 electrical connection, human-computer interaction interface 13 are arranged on meter panel of motor vehicle, and human-computer interaction interface 13 is used for the tire pressure for showing each tire
And temperature information, and positioning abnormal tyre pressure, temperature anomaly, the tire blown out, and send early warning.
The vehicle flat tire emergency system also includes alarm unit 14, and the alarm unit 14 electrically connects with control unit 1.
The vehicle flat tire emergency system also includes stop, tail and number plate light 15, the stop, tail and number plate light 15 and the electricity of control unit 1
Connection.
A kind of control method of vehicle flat tire emergency system, the control method comprise the following steps：
On vehicle after electricity, control unit 1 monitors wheel tyre pressure and temperature letter by tyre pressure sensor 2, temperature sensor 3 in real time
Breath, and judge tire pressure with temperature whether in normal range (NR)；
After vehicle flat tire is judged, emergent support meanss 4 of blowing out prevent tire from being separated with wheel rim 5, ensure that wheel rim 5 is not straight with ground
Contact, to provide side force and longitudinal force for vehicle, at the same time, control unit 1 by analyzing and positioning blow out take turns and vehicle
Posture, and coordinate ESC control units 9 and determine vehicle target driving trace, it is real with vehicle by contrasting vehicle target driving trace
Border driving trace adjusts the dutycycle size of abs valve 8, and then adjusts the braking moment of wheel, when vehicle deceleration and vehicle are in
During stable state, control method terminates.
The vehicle flat tire emergency system also includes human-computer interaction interface 13, the human-computer interaction interface 13 and control unit
1 electrical connection, human-computer interaction interface 13 are arranged on meter panel of motor vehicle；
When wheel tyre pressure and temperature anomaly, early warning is sent to driver by human-computer interaction interface 13 and is highlighted；
After wheel is blown out in the positioning of control unit 1, control unit 1 sends early warning to driver by human-computer interaction interface 13 and highlighted
It has been shown that, terminate early warning after vehicle parking and wheel of blowing out are handled and be highlighted.
The principle of the present invention is described as follows：
A kind of vehicle flat tire emergency system of the design and its control method, it is desirable to vehicle is configured with ESC system and ABS system, with
Called for the design and realize braking force distribution and maintain vehicle stabilization sexual function, should be designed for simplifying structure, ensuring that vehicle is quick-fried
Automatic retarding and intact stability is maintained after tire, to realize the energy that directional stability and continuation of the journey walking can be maintained after vehicle flat tire
Power.
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, there is provided one kind can monitor vehicle pressure of tire and temperature in real time, and when inside tires occur abnormal
Early warning is carried out, while ensures that wheel rim does not contact directly with ground after vehicle flat tire, maintains wheel there are enough side forces to provide
Turn 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 call each wheel brake force of abs valve functional characteristic regulation 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 or even stopped by stability, while is provided alarm to driver and rear and believed with braking
Breath.
Tyre pressure sensor monitors vehicle inside tires tire pressure and temperature information in real time with temperature sensor, and passes to control
Unit, tyre pressure sensor are fixed on temperature sensor and blown out in emergent support meanss, are integrally formed formula device, and utilize bolt
Fastening is allowed to be connected with rim notches, and when ensureing vehicle flat tire, tire does not separate with wheel rim, ensures there is one between wheel rim and ground
Layer rubber, there is provided the side force and longitudinal force of Vehicular turn and traveling, it is not in serious sideslip problem to make vehicle, can be in car
It can continue to travel after blowing out.
Human-computer interaction interface is arranged 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 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, it is 51 to be numbered such as front axle left front tire, off-front wheel
Tire is 52, the like each wheel is numbered, each tire has particular number so as to right in human-computer interaction interface
It should show, facilitate driver to understand each wheel information, and find in tire pressure, temperature anomaly and in time correspondence problem wheel when blowing out
Tire, vehicle flat tire rear stability is maintained by longitudinal direction of car and crosswise joint.The human-computer interaction interface of accompanying drawing 4 simply shows that 6 × 4 lead
Draw car hum pattern, other vehicles can be extended according to the principle.
The system control unit, by vehicle CAN real-time communication, leads to ABS control unit and ESC control units
Cross ESC control units and monitor vehicle yaw velocity, side acceleration and corner information in real time, coordinate when vehicle is blown out
ESC control units, instruction is sent to ABS control unit, complete the adjustment of abs valve dutycycle, real-time dynamic regulation target wheel
Braking moment, vehicle is set to 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 dutycycles are adjusted, in real time accurate adjustment lock onto target wheel braking
Torque, realize that vehicle differential braking makes vehicle recover both fixed tracks and travelled.
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 judges whether to blow out, and locks blow out position and vehicle attitude, while coordinates ESC control units and determine target track
Mark, abs valve dutycycle size is adjusted by contrasting target trajectory with actual path, and then realize the braking moment of specific wheel
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, ensures that the very first time to driver's early warning, prevents when unstable state occur in abnormal tyre pressure, temperature anomaly and vehicle
The danger that may occur；In addition, using the basic function of ABS Jian Ya ∕ pressurizes, by controlling the dutycycle size of abs valve to realize
The real-time accurate adjustment 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
System and tyre pressure sensor 2, the temperature sensor 3 electrically connected with control unit 1, the anti-lock braking system are controlled including ABS
Unit 6 processed and the wheel speed sensors 7 being connected electrically respectively, abs valve 8, the electronic stabilizing control system control including ESC
Unit 9 and the yaw-rate sensor 10 being connected electrically respectively, rotary angle transmitter 11, lateral acceleration sensor 12；
The vehicle flat tire emergency system also includes emergent support meanss 4 of blowing out, and the vehicle flat tire emergency system also includes man-machine friendship
Mutual interface 13, alarm unit 14, stop, tail and number plate light 15, the tyre pressure sensor 2 be each attached to temperature sensor 3 blow out it is emergent
In support meanss 4, emergent support meanss 4 of blowing out are mechanically connected by bolt and wheel rim 5；The ABS control unit 6 passes through CAN
Bus electrically connects with control unit 1, ESC control units 9, and the wheel speed sensors 7, abs valve 8 mechanically connect with wheel rim 5, institute
ESC control units 9 are stated to electrically connect with control unit 1 by CAN；The human-computer interaction interface 13 is electrically connected with control unit 1
Connect, human-computer interaction interface 13 is arranged on meter panel of motor vehicle, and human-computer interaction interface 13 is used for the tire pressure and temperature for showing each tire
Information, and positioning abnormal tyre pressure, temperature anomaly, the tire blown out are spent, and sends early warning；The alarm unit 14 and control
Unit 1 processed electrically connects；The stop, tail and number plate light 15 electrically connects with control unit 1.
By such scheme, referring to Fig. 1 to Fig. 3, a kind of control method of vehicle flat tire emergency system, the control method bag
Include following steps：
On vehicle after electricity, control unit 1 monitors wheel tyre pressure and temperature letter by tyre pressure sensor 2, temperature sensor 3 in real time
Breath, and judge tire pressure with temperature whether in normal range (NR)；When wheel tyre pressure and temperature anomaly, pass through human-computer interaction interface
13 send early warning to driver and are highlighted；
After vehicle flat tire is judged, emergent support meanss 4 of blowing out prevent tire from being separated with wheel rim 5, ensure that wheel rim 5 is not straight with ground
Contact, to provide side force and longitudinal force for vehicle, at the same time, control unit 1 by analyzing and positioning blow out take turns and vehicle
Posture, afterwards, control unit 1 send early warning to driver by human-computer interaction interface 13 and are highlighted（Early warning and highlighted aobvious
Show and terminate after vehicle parking and wheel of blowing out are handled）, and coordinate ESC control units 9 and determine vehicle target driving trace,
The dutycycle size of abs valve 8 is adjusted by contrasting vehicle target driving trace with vehicle actual travel track, and then adjusts wheel
Braking moment, when vehicle deceleration and when vehicle is in stable state, control method terminates.
Claims (6)
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
Electrically connected with anti-lock braking system, electronic stabilizing control system, the anti-lock braking system is steady with electronics by CAN
Determine control system electrical connection, it is characterised in that：
The vehicle flat tire emergency system also includes emergent support meanss of blowing out（4）, the tyre pressure sensor（2）With TEMP
Device（3）It is each attached to emergent support meanss of blowing out（4）On, emergent support meanss of blowing out（4）Pass through bolt and wheel rim（5）Machinery is even
Connect；
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 includes 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 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
Connect, the ESC control units（9）Pass through CAN and control unit（1）Electrical connection.
A kind of 2. vehicle flat tire emergency system according to claim 1, it is characterised in that：The vehicle flat tire emergency system
Also 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 showing the tire pressure and temperature information of each tire, and
Abnormal tyre pressure, temperature anomaly, the tire blown out are positioned, and sends early warning.
A kind of 3. 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 also includes alarm unit（14）, the alarm unit（14）With control unit（1）Electrical connection.
A kind of 4. vehicle flat tire emergency system according to claim 3, it is characterised in that：The vehicle flat tire emergency system
Also include stop, tail and number plate light（15）, the stop, tail and number plate light（15）With control unit（1）Electrical connection.
A kind of 5. control method of the vehicle flat tire emergency system described in claim 1, it is characterised in that：The control method bag
Include following steps：
On vehicle after electricity, control unit（1）Pass through tyre pressure sensor（2）, temperature sensor（3）Monitoring wheel tyre pressure and temperature in real time
Information is spent, and judges tire pressure with temperature whether in normal range (NR)；
After vehicle flat tire is judged, emergent support meanss of blowing out（4）Prevent tire and wheel rim（5）Separation, ensure wheel rim（5）Not with
Ground directly contacts, to provide side force and longitudinal force, at the same time, control unit for vehicle（1）Blown out by analyzing and positioning
Wheel and vehicle attitude, and coordinate ESC control units（9）Vehicle target driving trace is determined, rail is travelled by contrasting vehicle target
Mark adjusts abs valve with vehicle actual travel track（8）Dutycycle size, and then the braking moment of wheel is adjusted, when vehicle subtracts
When fast and vehicle is in stable state, control method terminates.
A kind of 6. control method of vehicle flat tire emergency system according to claim 5, it is characterised in that：
The vehicle flat tire emergency system also includes 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；
When wheel tyre pressure and temperature anomaly, pass through human-computer interaction interface（13）Early warning is sent to driver and is highlighted；
Work as control unit（1）Positioning is blown out after wheel, control unit（1）Pass through human-computer interaction interface（13）Early warning is sent to driver
And be highlighted, terminate early warning after vehicle parking and wheel of blowing out are handled and be highlighted.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710919483.9A CN107719037A (en) | 2017-09-30 | 2017-09-30 | A kind of vehicle flat tire emergency system and its control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710919483.9A CN107719037A (en) | 2017-09-30 | 2017-09-30 | A kind of vehicle flat tire emergency system and its control method |
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| CN108482365A (en) * | 2018-04-28 | 2018-09-04 | 江苏大学 | A kind of vehicle flat tire transient state vehicle body emergency flight control system and method |
| CN108516020A (en) * | 2018-03-28 | 2018-09-11 | 江西理工大学 | A kind of Active Control Method of high-speed tire explosion automobile |
| 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 |
| GB2584326A (en) * | 2019-05-31 | 2020-12-02 | Continental Automotive Gmbh | A vehicle safety system and a method of controlling the same |
| CN113212073A (en) * | 2021-05-17 | 2021-08-06 | 中国第一汽车股份有限公司 | Tire pressure adjusting method and system based on vehicle-mounted camera and automobile |
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| CN108516020B (en) * | 2018-03-28 | 2021-11-09 | 江西理工大学 | Active control method for high-speed tire burst automobile |
| CN108482365A (en) * | 2018-04-28 | 2018-09-04 | 江苏大学 | A kind of vehicle flat tire transient state vehicle body emergency flight control system and 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 |
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| CN113212073B (en) * | 2021-05-17 | 2022-11-11 | 中国第一汽车股份有限公司 | Tire pressure adjusting method and system based on vehicle-mounted camera and automobile |
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| CN114228698A (en) * | 2021-12-29 | 2022-03-25 | 东风越野车有限公司 | Yaw stability control method based on tire pressure of wheels |
| CN114228698B (en) * | 2021-12-29 | 2023-06-16 | 东风越野车有限公司 | Yaw stability control method based on tire pressure of wheels |
| CN114734762A (en) * | 2022-04-20 | 2022-07-12 | 岚图汽车科技有限公司 | Tire pressure monitoring method, controller, system and electronic equipment |
| CN115206134A (en) * | 2022-09-15 | 2022-10-18 | 江苏路必达物联网技术有限公司 | Vehicle tire burst early warning system and method based on Internet of things |
| CN115206134B (en) * | 2022-09-15 | 2022-12-13 | 江苏路必达物联网技术有限公司 | Vehicle tire burst early warning system and method based on Internet of things |
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