CN110077231A - A kind of abnormal tyre pressure processing method, device and car-mounted terminal - Google Patents
A kind of abnormal tyre pressure processing method, device and car-mounted terminal Download PDFInfo
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- CN110077231A CN110077231A CN201910359274.2A CN201910359274A CN110077231A CN 110077231 A CN110077231 A CN 110077231A CN 201910359274 A CN201910359274 A CN 201910359274A CN 110077231 A CN110077231 A CN 110077231A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
- B60K28/14—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to accident or emergency, e.g. deceleration, tilt of vehicle
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Abstract
The application is suitable for software application technology field, provides a kind of abnormal tyre pressure processing method, device and car-mounted terminal, which comprises obtain the tire pressure value of vehicle；Judge whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure threshold value；When the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, engine lock operation is executed.The application, which can solve existing tire pressure monitoring system, can only carry out alarm prompt, if the problem of prompt that car owner ignores tire pressure monitoring system drives a vehicle by force, is easy to happen traffic accident.
Description
Technical field
The application belongs to software application technology field more particularly to a kind of abnormal tyre pressure processing method, device and vehicle-mounted end
End.
Background technique
During running car, the performance and power of vehicle have this inseparable pass with the height of tire pressure
System, too high or too low tire pressure not only will affect the service life of tire, also directly affect traffic safety.
When tire pressure is excessively high, the contact surface area on tire and ground is reduced, it is possible to reduce oil consumption, but will affect automobile system
Power, and tyre cord is deformed by excessive extension, and carcass tension decline, the load that automobile can be made to be subject under steam increases
Greatly, implosion and explosion can be generated in case of impacted, can also crown is accelerated to wear in addition, tire pressure is excessively high, it is resistance to roll performance decline.
When tire pressure is too low, carcass deformation increases, and sidewall is easy to appear breach, while generating flexion movement, causes excessively
Fever promotes ageing of rubber, casing ply fatigue and cord to fracture, can also tire-contact area be made to increase, accelerate shoulder wear,
When too fast in the state that tire pressure is too low or too long when driving, sidewall rupture is easy to cause even to blow out, to car owner and passenger with
Come dangerous.
In this regard, current vehicle is equipped with tire pressure monitoring system, the tire pressure numerical value of current vehicle is shown by vehicular meter,
If tire pressure in the normal range, not will do it prompt.
But current tire pressure monitoring system can only carry out alarm prompt, if car owner ignores mentioning for tire pressure monitoring system
Show and drive a vehicle by force, is easy to happen traffic accident.
Summary of the invention
In view of this, the embodiment of the present application provides a kind of abnormal tyre pressure processing method, device and car-mounted terminal, to solve
Existing tire pressure monitoring system can only carry out alarm prompt, if the prompt that car owner ignores tire pressure monitoring system is driven a vehicle by force, hold
The problem of traffic accident easily occurs.
The first aspect of the embodiment of the present application provides a kind of abnormal tyre pressure processing method, comprising:
Obtain the tire pressure value of vehicle；
Judge whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure threshold value；
When the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, engine lock operation is executed.
Optionally, described when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, execution is started
Machine lock operation specifically includes:
When the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, the engine of the vehicle is obtained
Revolving speed；
When the engine speed is 0, engine lock operation is executed；
When the engine speed is not 0, the engine speed is monitored, when monitor the engine turn
When speed is 0, engine lock operation is executed.
Optionally, after the execution engine lock operation, further includes:
When detecting that the tire pressure value is less than or equal to preset high-pressure threshold value and is greater than or equal to pre-set low pressure threshold value, solution
Except the engine lock operation.
Optionally, the execution engine lock operation specifically includes:
Safety check is sent to request to engine system electronic control unit ECU；
The check code that the engine system electronic control unit ECU is returned is received, using preset algorithm to the verification
Code is calculated, and is verified code and the identifying code is sent to the engine system electronic control unit ECU；
The check results information that the engine system electronic control unit ECU is returned is received, when the check results are believed
When breath passes through information for verification, engine lock operation is executed.
Optionally, described when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, execution is started
Machine lock operation further include:
When the engine speed is not 0, signal of tyre burst is monitored；
When monitoring the signal of tyre burst, emergency brake operations are executed.
Optionally, described when the engine speed is not 0, after being monitored to signal of tyre burst further include:
When monitoring the signal of tyre burst, the vehicle speed value of the vehicle is obtained；
When the vehicle speed value is greater than preset vehicle speed threshold value, direction-locking operation is executed.
Optionally, it after executing direction-locking operation, is also wrapped described when the vehicle speed value is greater than preset vehicle speed threshold value
It includes:
When detecting that the vehicle speed value is less than or equal to preset vehicle speed threshold value, the direction-locking operation is released.
The second aspect of the embodiment of the present application provides a kind of abnormal tyre pressure processing unit, comprising:
Tire pressure obtains module, for obtaining the tire pressure value of vehicle；
Tire pressure judgment module, for judging whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure threshold
Value；
Engine locking module is used for when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value,
Execute engine lock operation.
Optionally, the engine locking module specifically includes:
Revolving speed acquisition submodule is used for when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value,
Obtain the engine speed of the vehicle；
Submodule is directly locked, for executing engine lock operation when the engine speed is 0；
Etc. submodule to be locked, for being monitored to the engine speed when the engine speed is not 0,
When monitoring the engine speed is 0, engine lock operation is executed.
Optionally, described device further include:
Engine releases module, for when detecting the tire pressure value less than or equal to preset high-pressure threshold value and be higher than or wait
When pre-set low pressure threshold value, the engine lock operation is released.
Optionally, the engine locking module specifically includes:
Submodule is requested, is requested for sending safety check to engine system electronic control unit ECU；
Computational submodule, the check code returned for receiving the engine system electronic control unit ECU, using default
Algorithm calculates the check code, is verified code and the identifying code is sent to the engine system electronic control
Unit ECU；
Submodule is locked, the check results information returned for receiving the engine system electronic control unit ECU, when
When the check results information is that verification passes through information, engine lock operation is executed.
Optionally, the engine locking module further include:
It blows out and monitors submodule, for being monitored to signal of tyre burst when the engine speed is not 0；
Emergency braking submodule, for executing emergency brake operations when monitoring the signal of tyre burst.
Optionally, the engine locking module further include::
Speed acquisition submodule, for when monitoring the signal of tyre burst, obtaining the vehicle speed value of the vehicle；
Direction-locking submodule, for executing direction-locking operation when the vehicle speed value is greater than preset vehicle speed threshold value.
Optionally, the engine locking module further include:
Direction unlocks submodule, for releasing institute when detecting that the vehicle speed value is less than or equal to preset vehicle speed threshold value
State direction-locking operation.
The third aspect of the embodiment of the present application provides a kind of car-mounted terminal, including memory, processor and is stored in
In the memory and the computer program that can run on the processor, when the processor executes the computer program
It realizes such as the step of the above method.
The fourth aspect of the embodiment of the present application provides a kind of computer readable storage medium, the computer-readable storage
Media storage has computer program, realizes when the computer program is executed by processor such as the step of the above method.
Existing beneficial effect is the embodiment of the present application compared with prior art:
In the abnormal tyre pressure processing method of the application, when detecting that tire pressure value is higher than preset high-pressure threshold value or low lower than presetting
When pressing threshold value, executing engine lock operation can not also drive a vehicle by force even if car owner ignores the prompt of tire pressure monitoring system, protect
Hinder the personal safety of car owner, alarm prompt can only be carried out by solving existing tire pressure monitoring system, if car owner ignores tire pressure prison
The problem of prompt of examining system drives a vehicle by force, is easy to happen traffic accident.
Detailed description of the invention
It in order to more clearly explain the technical solutions in the embodiments of the present application, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only some of the application
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is a kind of implementation process schematic diagram of abnormal tyre pressure processing method provided by the embodiments of the present application；
Fig. 2 is a kind of schematic diagram of abnormal tyre pressure processing unit provided by the embodiments of the present application；
Fig. 3 is the schematic diagram of car-mounted terminal provided by the embodiments of the present application.
Specific embodiment
In being described below, for illustration and not for limitation, the tool of such as particular system structure, technology etc is proposed
Body details, so as to provide a thorough understanding of the present application embodiment.However, it will be clear to one skilled in the art that there is no these specific
The application also may be implemented in the other embodiments of details.In other situations, it omits to well-known system, device, electricity
The detailed description of road and method, so as not to obscure the description of the present application with unnecessary details.
In order to illustrate technical solution described herein, the following is a description of specific embodiments.
For automobile, tire pressure is very big to the performance of vehicle and the influence of power, and no matter tire pressure is excessively high or tire pressure
The too low service life that can all influence tire, also, work as car owner and drive a vehicle by force in the case where abnormal tyre pressure, it is also easy to occur quick-fried
The accidents such as tire threaten the security of the lives and property of car owner.
But the tire pressure monitoring system of current vehicle can only carry out alarm prompt to car owner, if car owner ignores tire pressure prison
The prompt of examining system is driven a vehicle by force, is still easy to happen traffic accident, can not ensure the security of the lives and property of car owner.
In this regard, the embodiment of the present application discloses a kind of abnormal tyre pressure processing method, device and car-mounted terminal, it can solve and work as
Preceding tire pressure monitoring system can only carry out alarm prompt, if the prompt that car owner ignores tire pressure monitoring system is driven a vehicle by force, be easy
The problem of traffic accident occurs.
Embodiment one:
A kind of abnormal tyre pressure processing method provided below the embodiment of the present application one is described, and please refers to attached drawing 1, this
Apply for that the abnormal tyre pressure processing method in embodiment one includes:
Step S101, the tire pressure value of vehicle is obtained；
When needing the abnormal tyre pressure situation to vehicle to be monitored and handle, car-mounted terminal can be recycled periodically and be obtained
The tire pressure value of pick-up, monitors the tire pressure value of vehicle in real time.
The type of car-mounted terminal can be selected according to actual needs, for example, can choose OBD (On-Board
Diagnostic, onboard diagnostic system) as execute the present embodiment abnormal tyre pressure processing method car-mounted terminal, OBD device
Belong to small-sized vehicular equipment, occupancy interior space is small, and operation has the operating system of LINUX or ANDROID in OBD device, can
To run program of lower computer, hardware aspect is provided with the hardware transceiver of the vehicle protocols such as KWP, CAN, PWM, VPW, Ke Yitong
The electronic control unit ECU for crossing the OBD interface of vehicle and each system of automobile is communicated, and realizes data interaction and control,
For example, the VIN code that VIN code acquisition instruction obtains vehicle can be sent when the OBD interface of OBD device and vehicle connects, according to
VIN code determines vehicle, searches the diagnostic message of tire pressure System Electronic Control Unit ECU from diagnosing protocol table according to vehicle, from
Protocol type, the system of tire pressure electronic control unit ECU system are obtained in the diagnostic message of tire pressure electronic control unit ECU system
The communication informations such as ID, the reading instruction of tire pressure value are filtered, then OBD device is controlled by above-mentioned communication information and tire pressure system electronic
Unit ECU establishes communication link and obtains the tire pressure value of vehicle.
Step S102, judge whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure threshold value；
After car-mounted terminal gets tire pressure value, it can be determined that whether tire pressure value is higher than preset high-pressure threshold value or lower than default
Low pressure threshold, wherein preset high-pressure threshold value and pre-set low pressure threshold value can be configured according to the actual situation, for example, current logical
Often thinking that standard tire pressure value range is 2.3-2.5bar, there are certain deviations for the standard tire pressure value range of different vehicles, therefore,
It is 3.0bar that preset high-pressure threshold value, which can be set, in user, and setting pre-set low pressure threshold value is 2.1bar.
Step S103, when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, engine is executed
Lock operation.
When detecting that tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, the tire pressure of vehicle is indicated
There is unusual condition, needs to handle in time, avoid that accident occurs.
At this time car-mounted terminal can by one of prompting modes such as voice prompting, indicator light prompt, text prompt or
A variety of couples of car owners prompt, and inform that abnormal tyre pressure situation occurs in host vehicle, and can execute engine lock operation and keep away
Exempt from car owner and ignore the prompt of tire pressure monitoring system to drive a vehicle by force.
Further, described when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, execute hair
Motivation lock operation specifically includes:
A1, when the tire pressure value be higher than preset high-pressure threshold value or be lower than pre-set low pressure threshold value when, obtain the hair of the vehicle
Motivation revolving speed；
Locking engine can drive a vehicle by force in the case where abnormal tyre pressure to avoid car owner, still, if in vehicle driving
During execute engine lock operation suddenly, be easy to cause traffic accident instead, therefore, execute engine lock operation
Before, in order to ensure car owner's traffic safety, the engine speed of vehicle can first be obtained.
A2, when the engine speed be 0 when, execute engine lock operation；
When engine speed is 0, indicate that vehicle is currently at stationary state, locking engine at this time will not influence car owner
Traffic safety can execute engine lock operation, even if the prompt that car owner wants to ignore tire pressure monitoring system is driven a vehicle by force,
Engine driving can not be started, ensure the personal safety of car owner.
A3, when the engine speed is not 0, the engine speed is monitored, when monitoring described start
When machine revolving speed is 0, engine lock operation is executed.
When engine speed is not 0, engine speed can be continued to monitor, when monitoring that engine speed is
When 0, engine lock operation is executed, car owner is avoided to continue to drive a vehicle in the case where abnormal tyre pressure.
Also, other than continuing to monitor to engine speed, slow brake operating can also be performed, it is slowly smooth
Ground reduces speed until stopping, and gives user's enough reaction time, when engine speed is 0, executes engine lock operation,
Car owner is avoided to drive a vehicle for a long time in the case where abnormal tyre pressure.
Further, after the execution engine lock operation, further includes:
B1, when detect the tire pressure value less than or equal to preset high-pressure threshold value and be greater than or equal to pre-set low pressure threshold value
When, release the engine lock operation.
After car owner has handled abnormal tyre pressure situation, car-mounted terminal detects tire pressure value less than or equal to preset high-pressure threshold
When being worth and being greater than or equal to pre-set low pressure threshold value, car-mounted terminal can release engine lock operation, and can pass through voice
Etc. modes prompt car owner that vehicle can be used normally.
Further, the execution engine lock operation specifically includes:
C1, transmission safety check are requested to engine system electronic control unit ECU；
In order to avoid other equipment illegal operation engine, safety check routines can be set.
Before car-mounted terminal executes engine lock operation, it can first send safety check and request to engine system electricity
Sub-control unit ECU.
It, can be with back-checking code to vehicle-mounted end when engine system electronic control unit ECU receives safety check request
End, for example, can be returned when engine system electronic control unit ECU receives the safety check request of OBD device transmission
SEED data (check code) are to OBD device.
C2, the check code that the engine system electronic control unit ECU is returned is received, using preset algorithm to the school
It tests code to be calculated, be verified code and the identifying code is sent to the engine system electronic control unit ECU；
When car-mounted terminal receives the check code of engine system electronic control unit ECU return, pre- imputation can be used
Method calculates identifying code, and after identifying code is calculated, identifying code is sent in engine system electronic control unit ECU, for example,
After OBD device receives SEED data, SEED data can be calculated by the Predistribution Algorithm that diagnosing protocol file saves,
CODE code (identifying code) is obtained, CODE code is then sent to engine system electronic control unit ECU and is verified.
Engine system electronic control unit ECU verifies identifying code, and returns to corresponding check results information extremely
Car-mounted terminal.
C3, the check results information that the engine system electronic control unit ECU is returned is received, when the check results
When information is that verification passes through information, engine lock operation is executed.
When the check results information that engine system electronic control unit ECU is returned is that verification passes through information, indicate to test
Card code check passes through, and engine system electronic control unit ECU allows to execute the control instruction that car-mounted terminal is sent, car-mounted terminal
Engine lock operation can be executed, sends engine lock instruction to engine system electronic control unit ECU, engine system
After system electronic control unit ECU receives engine lock instruction, engine can be locked, feedback lock successful information is extremely
Car-mounted terminal, car owner will be unable to starting engine and drive.
Further, described when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, execute hair
Motivation lock operation further include:
D1, when the engine speed is not 0, signal of tyre burst is monitored；
When engine speed is not 0, vehicle is indicated just in driving status, due to driving a vehicle in the case where abnormal tyre pressure
It is easy to happen the accident of blowing out, therefore, car-mounted terminal can be monitored signal of tyre burst at this time.
D2, when monitoring the signal of tyre burst, execute emergency brake operations.
When car-mounted terminal monitors signal of tyre burst, indicates that the accident of blowing out occurs in vehicle, emergency braking can be immediately performed
Operation reduces speed, ensures the personal safety of car owner as far as possible.
Further, described when the engine speed is not 0, after being monitored to signal of tyre burst further include:
E1, when monitoring the signal of tyre burst, obtain the vehicle speed value of the vehicle；
When monitoring signal of tyre burst, the vehicle speed value of vehicle can also be obtained.
E2, when the vehicle speed value be greater than preset vehicle speed threshold value when, execute direction-locking operation.
It when vehicle speed value is higher, should guarantee that vehicle is persistently kept straight on along original direction as far as possible, reduce what traffic accident occurred
Possibility, therefore, when vehicle speed value is greater than preset vehicle speed threshold value, in order to avoid car owner because can not rationally control vehicle row in alarm
Direction is sailed, car-mounted terminal can execute direction-locking operation, and when vehicle is under direction-locking state, car owner can not the side of movement
Direction of traffic is controlled to disk, car owner is avoided and occurs because battering the situation that steering wheel causes direction of traffic out of control in alarm.
Further, described when the vehicle speed value is greater than preset vehicle speed threshold value, after executing direction-locking operation, also
Include:
F1, when detecting that the vehicle speed value is less than or equal to preset vehicle speed threshold value, release direction-locking operation.
When detecting that vehicle speed value is less than or equal to preset vehicle speed threshold value, direction-locking operation can be released, car owner is allowed
Vehicle heading is controlled, control vehicle selects suitable position pulling over observing.
In the abnormal tyre pressure processing method that the present embodiment one provides, when detecting that tire pressure value is higher than preset high-pressure threshold value or low
When pre-set low pressure threshold value, executing engine lock operation also can not be by force even if car owner ignores the prompt of tire pressure monitoring system
Driving, ensures the personal safety of car owner, alarm prompt can only be carried out by solving existing tire pressure monitoring system, if car owner ignores
The problem of prompt of tire pressure monitoring system drives a vehicle by force, is easy to happen traffic accident.
Before executing engine lock operation, engine speed can be first obtained, when transmitter revolving speed is 0, indicates vehicle
Be in dead ship condition, can directly execute engine lock operation, when engine speed is not 0, indicate vehicle be in row
Car state can be monitored engine speed to ensure the safety of car owner, when monitoring engine speed is 0, hold
Row engine lock operation further when engine speed is not 0, can execute slow brake operating, smoothly reduce
Speed avoids car owner from driving a vehicle for a long time in the case where abnormal tyre pressure until parking.
After car owner has handled abnormal tyre pressure situation, car-mounted terminal detects that tire pressure value is restored in normal range (NR), can be with
Release engine lock operation.When controlling engine, in order to avoid other equipment illegal operation engine, Ke Yishe
Safety check routines are set, when car-mounted terminal verification passes through, can just send control instruction keeps engine system electronic control single
First ECU executes corresponding operation.
When there is abnormal tyre pressure situation and engine speed is not 0, the signal of tyre burst of vehicle can also be carried out real-time
Monitoring, when monitoring signal of tyre burst, in order to ensure the personal safety of car owner, can execute emergency brake operations, when vehicle
When vehicle speed value is higher, direction-locking operation can be further executed, avoids car owner because battering steering wheel leads to vehicle side in alarm
Occur to situation out of control.
It, can the side of releasing when the speed of vehicle is less than or equal to preset vehicle speed threshold value and vehicle is in direction-locking state
To lock operation, suitable position pulling over observing is found so that car owner controls direction of traffic.
It should be understood that the size of the serial number of each step is not meant that the order of the execution order in above-described embodiment, each process
Execution sequence should be determined by its function and internal logic, the implementation process without coping with the embodiment of the present application constitutes any limit
It is fixed.
Embodiment two:
The embodiment of the present application two provides a kind of abnormal tyre pressure processing unit, for purposes of illustration only, only showing and the application phase
The part of pass, as shown in Fig. 2, abnormal tyre pressure processing unit includes,
Tire pressure obtains module 201, for obtaining the tire pressure value of vehicle；
Tire pressure judgment module 202, for judging whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure
Threshold value；
Engine locking module 203, for when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value
When, execute engine lock operation.
Further, the engine locking module 203 specifically includes:
Revolving speed acquisition submodule is used for when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value,
Obtain the engine speed of the vehicle；
Submodule is directly locked, for executing engine lock operation when the engine speed is 0；
Etc. submodule to be locked, for being monitored to the engine speed when the engine speed is not 0,
When monitoring the engine speed is 0, engine lock operation is executed.
Further, described device further include:
Engine releases module, for when detecting the tire pressure value less than or equal to preset high-pressure threshold value and be higher than or wait
When pre-set low pressure threshold value, the engine lock operation is released.
Further, the engine locking module 203 specifically includes:
Submodule is requested, is requested for sending safety check to engine system electronic control unit ECU；
Computational submodule, the check code returned for receiving the engine system electronic control unit ECU, using default
Algorithm calculates the check code, is verified code and the identifying code is sent to the engine system electronic control
Unit ECU；
Submodule is locked, the check results information returned for receiving the engine system electronic control unit ECU, when
When the check results information is that verification passes through information, engine lock operation is executed.
Further, the engine locking module 203 further include:
It blows out and monitors submodule, for being monitored to signal of tyre burst when the engine speed is not 0；
Emergency braking submodule, for executing emergency brake operations when monitoring the signal of tyre burst.
Further, the engine locking module 203 further include::
Speed acquisition submodule, for when monitoring the signal of tyre burst, obtaining the vehicle speed value of the vehicle；
Direction-locking submodule, for executing direction-locking operation when the vehicle speed value is greater than preset vehicle speed threshold value.
Further, the engine locking module 203 further include:
Direction unlocks submodule, for releasing institute when detecting that the vehicle speed value is less than or equal to preset vehicle speed threshold value
State direction-locking operation.
It should be noted that the contents such as information exchange, implementation procedure between above-mentioned apparatus/unit, due to the application
Embodiment of the method is based on same design, concrete function and bring technical effect, for details, reference can be made to embodiment of the method part, this
Place repeats no more.
Embodiment three
The embodiment of the present application three provides a kind of application examples of abnormal tyre pressure processing method, the vehicle setting in the application example
There is car-mounted terminal, car-mounted terminal can execute the tire abnormality eliminating method in above-described embodiment one, below in conjunction with practical application
The tire abnormality eliminating method in embodiment one is illustrated in scene.
Scene one: car owner is to Tyre inflating, and tire tire pressure value is 3.2bar after inflation, and car-mounted terminal detects that tire pressure value is high
In preset high-pressure threshold value 3.0bar, engine lock operation is executed.
Car owner gets on the bus after Tyre inflating starts vehicle, but engine has been locked, and vehicle can not start, vehicle-mounted
Terminal is excessively high by voice prompting car owner tire pressure value, and needing for tire pressure value to be adjusted in zone of reasonableness normally to start.
Car owner adjusts tire pressure value after hearing prompt, and tire pressure value drops to 2.7bar, and car-mounted terminal detects that tire pressure value is less than
Preset high-pressure threshold value 3.0bar, and it is higher than pre-set low pressure threshold value 2.1bar, engine lock operation is released, car-mounted terminal passes through language
Sound prompt car owner has currently released engine lock operation, and car owner restarts vehicle, and vehicle can be with normally travel.
Scene two: vehicle is in driving status, and tire tire pressure value reduces, and is less than 2.1bar, and car-mounted terminal prompts vehicle at this time
Main tire pressure value is too low, it is proposed that car owner's maintenance shut-downs, car owner's parking, car-mounted terminal monitor that engine speed is 0, execute engine
Lock operation.
After car owner repairs, tire pressure value returns to normal range (NR), and car-mounted terminal releases engine lock operation, and car owner can be with
Continue normal driving.
Scene three: vehicle is in driving status, and tire tire pressure value reduces, and is less than 2.1bar, and car-mounted terminal prompts vehicle at this time
Main tire pressure value is too low, it is proposed that car owner's maintenance shut-downs, but car owner ignores prompt, continues to drive a vehicle.
Car-mounted terminal executes slow brake operating, gradually decreases speed, and car owner has found that speed gradually decreases, and it is suitable to find
Position pulling over observing, car-mounted terminal monitor that engine speed is 0, execute engine lock operation.
Car owner, which gets off, to be repaired, and after car owner repairs, tire pressure value returns to normal range (NR), and car-mounted terminal releases engine
Lock operation, car owner can continue normally to drive a vehicle.
Scene four: vehicle is influenced in hot weather downward driving by weather, and tire pressure value is higher than preset high-pressure threshold value 3.0bar,
Car-mounted terminal is excessively high by voice prompting car owner's tire pressure and is monitored to signal of tyre burst.
Vehicle is blown out accident in the process of moving, and car-mounted terminal monitors signal of tyre burst, is immediately performed emergency braking
Operation, and the vehicle speed value of vehicle is obtained, vehicle speed value is 120Km/h at this time, is higher than preset vehicle speed threshold value 30Km/h, car-mounted terminal
Direction-locking operation is executed, vehicle straight trip is kept, car owner because beat steering wheel, but steering wheel is locked carelessly in alarm, car owner
It can not steering wheel rotation.
Speed is gradually lowered to 30Km/h, and speed is lower at this time, releases steering wheel lock operation, car owner can be with autonomous control
Steering wheel is kept right parking, and car-mounted terminal executes engine lock operation after parking, and car owner, which makes a phone call, finds trailer rescue, or
Under automobile-used spare tyre replace the tire blown out, car-mounted terminal releases engine lock operation after replacement, and car owner can normal row
Vehicle finds maintenance store maintenance.
Example IV:
Fig. 3 is the schematic diagram for the car-mounted terminal that the embodiment of the present application four provides.As shown in figure 3, the vehicle-mounted end of the embodiment
End 3 includes: processor 30, memory 31 and is stored in the meter that can be run in the memory 31 and on the processor 30
Calculation machine program 32.The processor 30 is realized when executing the computer program 32 in above-mentioned abnormal tyre pressure processing method embodiment
The step of, such as step S101 to S104 shown in FIG. 1.Alternatively, reality when the processor 30 executes the computer program 32
The function of each module/unit in existing above-mentioned each Installation practice, such as the function of module 201 to 204 shown in Fig. 2.
Illustratively, the computer program 32 can be divided into one or more module/units, it is one or
Multiple module/units are stored in the memory 31, and are executed by the processor 30, to complete the application.Described one
A or multiple module/units can be the series of computation machine program instruction section that can complete specific function, which is used for
Implementation procedure of the computer program 32 in the car-mounted terminal 3 is described.For example, the computer program 32 can be divided
It is as follows to be cut into tire pressure acquisition module, tire pressure judgment module and engine locking module, each module concrete function:
Tire pressure obtains module, for obtaining the tire pressure value of vehicle；
Tire pressure judgment module, for judging whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure threshold
Value；
Engine locking module is used for when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value,
Execute engine lock operation.
The car-mounted terminal 3 can be the calculating such as desktop PC, notebook, palm PC and cloud server and set
It is standby.The car-mounted terminal may include, but be not limited only to, processor 30, memory 31.It will be understood by those skilled in the art that Fig. 3
The only example of car-mounted terminal 3 does not constitute the restriction to car-mounted terminal 3, may include than illustrating more or fewer portions
Part perhaps combines certain components or different components, such as the car-mounted terminal can also include input-output equipment, net
Network access device, bus etc..
Alleged processor 30 can be central processing unit (Central Processing Unit, CPU), can also be
Other general processors, digital signal processor (Digital Signal Processor, DSP), specific integrated circuit
(Application Specific Integrated Circuit, ASIC), field programmable gate array (Field-
Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor logic,
Discrete hardware components etc..General processor can be microprocessor or the processor is also possible to any conventional processor
Deng.
The memory 31 can be the internal storage unit of the car-mounted terminal 3, such as the hard disk or interior of car-mounted terminal 3
It deposits.The memory 31 is also possible to the External memory equipment of the car-mounted terminal 3, such as be equipped on the car-mounted terminal 3
Plug-in type hard disk, intelligent memory card (Smart Media Card, SMC), secure digital (S electronic control unit ECUre
Digital, SD) card, flash card (Flash Card) etc..Further, the memory 31 can also both include described vehicle-mounted
The internal storage unit of terminal 3 also includes External memory equipment.The memory 31 for store the computer program and
Other programs and data needed for the car-mounted terminal.The memory 31 can be also used for temporarily storing exported or
The data that will be exported.
It is apparent to those skilled in the art that for convenience of description and succinctly, only with above-mentioned each function
Can unit, module division progress for example, in practical application, can according to need and by above-mentioned function distribution by different
Functional unit, module are completed, i.e., the internal structure of described device is divided into different functional unit or module, more than completing
The all or part of function of description.Each functional unit in embodiment, module can integrate in one processing unit, can also
To be that each unit physically exists alone, can also be integrated in one unit with two or more units, it is above-mentioned integrated
Unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function list
Member, the specific name of module are also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.Above system
The specific work process of middle unit, module, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in detail or remembers in some embodiment
The part of load may refer to the associated description of other embodiments.
Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure
Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician
Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed
Scope of the present application.
In embodiment provided herein, it should be understood that disclosed device/car-mounted terminal and method, it can be with
It realizes by another way.For example, device described above/car-mounted terminal embodiment is only schematical, for example, institute
The division of module or unit is stated, only a kind of logical function partition, there may be another division manner in actual implementation, such as
Multiple units or components can be combined or can be integrated into another system, or some features can be ignored or not executed.Separately
A bit, shown or discussed mutual coupling or direct-coupling or communication connection can be through some interfaces, device
Or the INDIRECT COUPLING or communication connection of unit, it can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of software functional units.
If the integrated module/unit be realized in the form of SFU software functional unit and as independent product sale or
In use, can store in a computer readable storage medium.Based on this understanding, the application realizes above-mentioned implementation
All or part of the process in example method, can also instruct relevant hardware to complete, the meter by computer program
Calculation machine program can be stored in a computer readable storage medium, the computer program when being executed by processor, it can be achieved that on
The step of stating each embodiment of the method.Wherein, the computer program includes computer program code, the computer program generation
Code can be source code form, object identification code form, executable file or certain intermediate forms etc..The computer-readable medium
It may include: any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic that can carry the computer program code
Dish, CD, computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM,
Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that described
The content that computer-readable medium includes can carry out increasing appropriate according to the requirement made laws in jurisdiction with patent practice
Subtract, such as does not include electric carrier signal and electricity according to legislation and patent practice, computer-readable medium in certain jurisdictions
Believe signal.
Embodiment described above is only to illustrate the technical solution of the application, rather than its limitations；Although referring to aforementioned reality
Example is applied the application is described in detail, those skilled in the art should understand that: it still can be to aforementioned each
Technical solution documented by embodiment is modified or equivalent replacement of some of the technical features；And these are modified
Or replacement, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution should all
Comprising within the scope of protection of this application.
Claims (10)
1. a kind of abnormal tyre pressure processing method characterized by comprising
Obtain the tire pressure value of vehicle；
Judge whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure threshold value；
When the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, engine lock operation is executed.
2. abnormal tyre pressure processing method as described in claim 1, which is characterized in that described when the tire pressure value is higher than default height
When pressing threshold value or being lower than pre-set low pressure threshold value, executes engine lock operation and specifically includes:
When the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value, the engine for obtaining the vehicle turns
Speed；
When the engine speed is 0, engine lock operation is executed；
When the engine speed is not 0, the engine speed is monitored, when monitoring that the engine speed is
When 0, engine lock operation is executed.
3. abnormal tyre pressure processing method as claimed in claim 1 or 2, which is characterized in that lock and grasp in the execution engine
After work, further includes:
When detecting that the tire pressure value is less than or equal to preset high-pressure threshold value and is greater than or equal to pre-set low pressure threshold value, institute is released
State engine lock operation.
4. abnormal tyre pressure processing method as claimed in claim 1 or 2, which is characterized in that the execution engine lock operation
It specifically includes:
Safety check is sent to request to engine system electronic control unit ECU；
Receive the check code that the engine system electronic control unit ECU is returned, using preset algorithm to the check code into
Row calculates, and is verified code and the identifying code is sent to the engine system electronic control unit ECU；
The check results information that the engine system electronic control unit ECU is returned is received, when the check results information is
When verification passes through information, engine lock operation is executed.
5. abnormal tyre pressure processing method as claimed in claim 2, which is characterized in that described when the tire pressure value is higher than default height
When pressing threshold value or being lower than pre-set low pressure threshold value, engine lock operation is executed further include:
When the engine speed is not 0, signal of tyre burst is monitored；
When monitoring the signal of tyre burst, emergency brake operations are executed.
6. abnormal tyre pressure processing method as claimed in claim 5, which is characterized in that described when the engine speed is not
When 0, after being monitored to signal of tyre burst further include:
When monitoring the signal of tyre burst, the vehicle speed value of the vehicle is obtained；
When the vehicle speed value is greater than preset vehicle speed threshold value, direction-locking operation is executed.
7. abnormal tyre pressure processing method as claimed in claim 6, which is characterized in that preset described when the vehicle speed value is greater than
When speed threshold value, after execution direction-locking operation, further includes:
When detecting that the vehicle speed value is less than or equal to preset vehicle speed threshold value, the direction-locking operation is released.
8. a kind of abnormal tyre pressure processing unit characterized by comprising
Tire pressure obtains module, for obtaining the tire pressure value of vehicle；
Tire pressure judgment module, for judging whether the tire pressure value is higher than preset high-pressure threshold value or lower than pre-set low pressure threshold value；
Engine locking module, for executing when the tire pressure value is higher than preset high-pressure threshold value or is lower than pre-set low pressure threshold value
Engine lock operation.
9. a kind of car-mounted terminal, including memory, processor and storage are in the memory and can be on the processor
The computer program of operation, which is characterized in that the processor realizes such as claim 1 to 7 when executing the computer program
The step of any one the method.
10. a kind of computer readable storage medium, the computer-readable recording medium storage has computer program, and feature exists
In when the computer program is executed by processor the step of any one of such as claim 1 to 7 of realization the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359274.2A CN110077231B (en) | 2019-04-28 | 2019-04-28 | Tire pressure abnormity processing method and device and vehicle-mounted terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910359274.2A CN110077231B (en) | 2019-04-28 | 2019-04-28 | Tire pressure abnormity processing method and device and vehicle-mounted terminal |
Publications (2)
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| CN110077231A true CN110077231A (en) | 2019-08-02 |
| CN110077231B CN110077231B (en) | 2021-09-07 |
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|---|---|---|---|---|
| JP2008155795A (en) * | 2006-12-25 | 2008-07-10 | Bridgestone Corp | Tire internal pressure warning system |
| JP2010228486A (en) * | 2009-03-26 | 2010-10-14 | Denso Corp | Vehicular detection device |
| CN203391574U (en) * | 2013-06-24 | 2014-01-15 | 上海工程技术大学 | Traffic safety control system based on tire pressure monitoring |
| CN105082899A (en) * | 2015-08-06 | 2015-11-25 | 北汽福田汽车股份有限公司 | Vehicle tire burst emergency device, vehicle including same and vehicle control method |
| CN206171054U (en) * | 2016-09-20 | 2017-05-17 | 北京汽车研究总院有限公司 | Automobile |
| CN107813803A (en) * | 2017-11-29 | 2018-03-20 | 天津所托瑞安汽车科技有限公司 | A kind of automotive tyre explosion safety processing system |
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|---|---|---|---|---|
| JP2008155795A (en) * | 2006-12-25 | 2008-07-10 | Bridgestone Corp | Tire internal pressure warning system |
| JP2010228486A (en) * | 2009-03-26 | 2010-10-14 | Denso Corp | Vehicular detection device |
| CN203391574U (en) * | 2013-06-24 | 2014-01-15 | 上海工程技术大学 | Traffic safety control system based on tire pressure monitoring |
| CN105082899A (en) * | 2015-08-06 | 2015-11-25 | 北汽福田汽车股份有限公司 | Vehicle tire burst emergency device, vehicle including same and vehicle control method |
| CN206171054U (en) * | 2016-09-20 | 2017-05-17 | 北京汽车研究总院有限公司 | Automobile |
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| Publication number | Publication date |
|---|---|
| CN110077231B (en) | 2021-09-07 |
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