CN105082899B - Vehicle flat tire emergency set, vehicle and control method for vehicle with the device - Google Patents
Vehicle flat tire emergency set, vehicle and control method for vehicle with the device Download PDFInfo
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- CN105082899B CN105082899B CN201510478347.1A CN201510478347A CN105082899B CN 105082899 B CN105082899 B CN 105082899B CN 201510478347 A CN201510478347 A CN 201510478347A CN 105082899 B CN105082899 B CN 105082899B
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Abstract
The invention discloses the control method for vehicle that the vehicle and reply of a kind of vehicle flat tire emergency set including the device are blown out.The vehicle flat tire emergency set includes：Tire pressure sensing unit, the tire pressure of the tire for monitoring vehicle in real time；And controller, tire pressure and default threshold value for the tire pressure sensing unit to be monitored are compared, and are sent stopping to the control unit of engine of the vehicle according to comparative result or reduced the signal of the power output of engine.The vehicle flat tire emergency set can be compared by the real-time monitoring to tire pressure and threshold value, and condition is provided to carry out early warning to vehicle flat tire.And, can be when predicting vehicle and will blow out, engine is controlled by control unit of engine, to reduce the power output of engine, so as to be controlled on the power that vehicle is travelled, rather than control vehicle brakes, with prevent finally blow out when due to power is excessive or speed it is too high caused by accident or exacerbation accident seriousness.
Description
Technical field
The invention belongs to field of vehicle control, and in particular to a kind of vehicle flat tire emergency set, the vehicle with the device
The control method for vehicle blown out with reply.
Background technology
In actual life, it is the big hidden danger for causing traffic accident that automobile is blown out under steam.It can destroy whole due to blowing out
The poised state of car operation, and the generation blown out is generally relatively more unexpected, so often after generation of blowing out, driver enters pedestrian again
To intervene, It dones't help the situation, leads to a disaster.
Prior art is based primarily upon ABS or ESP system to the control strategy blown out, blow out occur when, by ABS or
ESP helps driver to control the direction of running car, and protects personal security by a series of actions of cockpit.So
And, the automobile for not installing ABS and ESP system additional, these strategies will be unable to use.
Prior art strategy only from control turns to and cabin interior protect from the aspect of automobile flat tire controlling party
Method, and require that vehicle is equipped with the configuration such as ABS and/or ESP and could completed, basic cost requires higher, and when blowing out
Brake system to automobile requires very high.
The content of the invention
In view of this, the present invention proposes the control method for vehicle that a kind of vehicle flat tire emergency set and reply are blown out.
According to an aspect of the invention, there is provided a kind of vehicle flat tire emergency set, including：Tire pressure sensing unit, is used
In the tire pressure of the tire of monitoring vehicle in real time；And controller, for the tire pressure that is monitored the tire pressure sensing unit with it is pre-
If threshold value be compared, and according to control unit of engine from comparative result to the vehicle send stop or reduction engine
Power output signal.
According to an embodiment, the tire pressure sensing unit includes multiple tyre pressure sensors, the multiple tire pressure sensing
Device is respectively arranged on each tire of the vehicle, to monitor the tire pressure of each tire in real time respectively.
According to an embodiment, the controller includes comparator and signal generator, and the default threshold value includes
First threshold and Second Threshold, the first threshold are more than the Second Threshold, and the comparator senses the multiple tire pressure
Minimum tire pressure value is compared with the first threshold and Second Threshold in the tire pressure for each tire that device is monitored, the letter
Number generator the minimum tire pressure value be less than the first threshold and more than in the case of the Second Threshold to the hair
Motivation control unit sends the signal of the power output of reduction engine.
According to an embodiment, the signal generator is less than or equal to second threshold in the minimum tire pressure value
The signal for the power output for stopping engine being sent in the case of value to the control unit of engine.
According to an embodiment, the first threshold is 0.85 to 0.95 times of standard tire pressure, and the Second Threshold is
1.3 to 2 times of atmospheric pressure.
According to an embodiment, the controller according to comparative result to the instrument panel lamp of the vehicle send it is pre- blow out or
Signal of tyre burst.
According to an embodiment, the signal generator is less than the first threshold and big in the minimum tire pressure value
Pre- signal of tyre burst is sent to the instrument panel lamp in the case of the Second Threshold, and is less than or waits in the minimum tire pressure value
The signal of tyre burst different from the pre- signal of tyre burst are sent to the instrument panel lamp in the case of the Second Threshold.
According to another aspect of the present invention there is provided a kind of vehicle, including：Tire, engine, for controlling described start
The control unit of engine of the power output of machine and above-mentioned vehicle flat tire emergency set.
According to another aspect of the invention there is provided a kind of control method for vehicle tackled and blown out, including：Car is obtained in real time
Tire tire pressure；Acquired tire pressure is compared with default threshold value；And according to comparative result to the vehicle
Control unit of engine send stop or reduction engine power output signal.
According to an embodiment, the default threshold value includes first threshold and Second Threshold, and the first threshold is big
In the Second Threshold, and by acquired tire pressure and default threshold value be compared including：By in the tire pressure of each tire
Minimum tire pressure value is compared with the first threshold and Second Threshold.
According to an embodiment, sent according to comparative result to the control unit of engine of the vehicle and stop or reduce
The signal of the power output of engine includes：It is less than the first threshold and more than second threshold in the minimum tire pressure value
The signal for the power output for reducing engine is sent in the case of value to the control unit of engine；And described minimum
Tire pressure value sends the power for stopping engine to the control unit of engine in the case of being less than or equal to the Second Threshold
The signal of output.
According to an embodiment, the first threshold is 0.85 to 0.95 times of standard tire pressure, and the Second Threshold is
1.3 to 2 times of atmospheric pressure.
According to an embodiment, the control method for vehicle, in addition to：According to instrument panel lamp from comparative result to the vehicle
Transmission is blown out or signal of tyre burst in advance.
According to an embodiment, sent and blown out or signal of tyre burst bag in advance to the instrument panel lamp of the vehicle according to comparative result
Include：Sent out in the case where the minimum tire pressure value is less than the first threshold and is more than the Second Threshold to the instrument panel lamp
Send pre- signal of tyre burst；And in the case where the minimum tire pressure value is less than or equal to the Second Threshold to the instrument panel lamp
Send the signal of tyre burst different from the pre- signal of tyre burst.
According to technical scheme provided by the present invention, it can be compared by the real-time monitoring to tire pressure and threshold value, for vehicle
Progress early warning of blowing out provides condition.Moreover, engine control can be passed through when predicting the situation that vehicle will blow out
Unit controls engine, to reduce the power output of engine, so that be controlled on the power that vehicle is travelled, rather than control
The brakes of vehicle processed, with prevent finally blow out when due to power is excessive or speed it is too high caused by accident or exacerbation
The seriousness of accident.And when blowing out, the power output of engine can be stopped completely.
Brief description of the drawings
The embodiments of the present invention are read with reference to the drawings, other features and advantages of the present invention will be better understood,
Accompanying drawing described here is intended merely to the purpose schematically illustrated to embodiments of the present invention, and not all possible reality
Apply, and be not intended to limitation the scope of the present invention.In the accompanying drawings：
Fig. 1 shows the block diagram of vehicle flat tire emergency set according to one exemplary embodiment；
Fig. 2 shows the block diagram of controller according to one exemplary embodiment；
Fig. 3 shows the flow chart for tackling the control method for vehicle blown out according to one exemplary embodiment；
And
Fig. 4 shows the flow chart that the control method for vehicle blown out is tackled according to another exemplary embodiment of the present invention.
Embodiment
Embodiments of the present invention are described in detail referring now to accompanying drawing.It should be noted that following description is merely exemplary
, and the present invention is not intended to limit, and for the sake of brevity, same as the prior art one is eliminated in the following description
The specific descriptions of a little parts.In addition, in the following description, will adopt be indicated with like reference numerals identical in different accompanying drawings or
Similar part.Different characteristic in different embodiments described below, can be bonded to each other, to be formed in the scope of the invention
Other embodiment.
Fig. 1 shows the block diagram of vehicle flat tire emergency set according to one exemplary embodiment.Such as Fig. 1 institutes
Show, vehicle flat tire emergency set 100 may include tire pressure sensing unit 110 and controller 120.Tire pressure sensing unit 110 can be used for
The tire pressure of the tire of vehicle is monitored in real time.Controller 120 can be used for the tire pressure that is monitored tire pressure sensing unit 110 with it is default
Threshold value is compared, and sends stopping or reduction engine to the control unit of engine (ECU) of vehicle according to result of the comparison
Power output signal.
Thus, compared by the real-time monitoring to tire pressure and threshold value, condition is provided to carry out early warning to vehicle flat tire.And
And, engine can be controlled by ECU when predicting the situation that vehicle will blow out, it is defeated with the power for reducing engine
Go out, so as to be controlled on the power that vehicle is travelled, rather than the brakes of vehicle is controlled, to prevent from finally blowing out
When due to power is excessive or speed it is too high caused by accident or aggravate accident seriousness.And when blowing out, can be complete
Stop the power output of engine.
According to an embodiment of the invention, tire pressure sensing unit 110 may include each wheel for being respectively arranged at vehicle
Multiple tyre pressure sensors on tire, to monitor the tire pressure of each tire in real time respectively.
Fig. 2 shows the block diagram of controller according to one exemplary embodiment.As shown in Fig. 2 controller
120 may include comparator 121 and signal generator 122.Default threshold value may include first threshold T1 and Second Threshold T2, and T1
>T2.It is minimum in the tire pressure for each tire that comparator 121 can be monitored multiple tyre pressure sensors of tire pressure sensing unit 110
Tire pressure value PminIt is compared with first threshold T1 and Second Threshold T2.Work as T1>Pmin>During T2, show that there is minimum tire pressure value
PminThe tire pressure of tire have dropped to outside regime values scope, imply that and would be possible to blow out.Now, signal occurs
Device 122 to control unit of engine send reduce engine power output signal, with prevent finally blow out when due to
Power is excessive or speed it is too high caused by accident or aggravate the seriousness of accident.And work as PminDuring≤T2, show that there is minimum tire
Pressure value PminTire tire pressure it is too low, blow out and have occurred and that.Now, signal generator 122 sends to control unit of engine and stopped
The only signal of the power output of engine.
According to the embodiment, to the carry out anticipation that will blow out, and by ECU engine reduction can be controlled dynamic
Power export, this aspect can when vehicle will blow out by reduce the power output of engine and reduce vehicle plus
Speed or speed, on the other hand do not stop the power output of engine, to prevent due to making vehicle completely in this stage again
The possible other accidents for running out of steam and bringing suddenly, make driver to the reduction of power until having completely lost an adaptation
Process.
According to an exemplary embodiment of the present invention, first threshold T1 can be set as to 0.85 to 0.95 times of mark
Quasi- tire pressure PStandard, such as 0.9PStandard.Those skilled in the art can select suitable according to different vehicles, specification of vehicle tyre etc.
When T1 values.Second Threshold T2 can be set as to 1.3 to 2 times of atmospheric pressure PAir, for example, 1.5PAir.Those skilled in the art
Appropriate T2 values can be selected according to factors such as the specifications of vehicle tyre.
According to an exemplary embodiment of the present invention, controller 120 can according to instrument panel lamp from comparative result to vehicle
Transmission is blown out or signal of tyre burst in advance, so as to point out driver to blow out or blow out.
According to an exemplary embodiment of the present invention, work as T1>Pmin>During T2, signal generator 122 can be to instrument panel lamp
Send pre- signal of tyre burst.And work as PminDuring≤T2, signal generator 122 can send different from pre- signal of tyre burst quick-fried to instrument panel lamp
Tire signal.Thus, can be when vehicle will blow out and have occurred and that and blow out, the driver to vehicle sends different alarms
Signal, to enable a driver to prepare to respond to the generation blown out in advance according to different situations.
Tire, engine may include, for controlling engine according to the vehicle of an exemplary embodiment of the present invention
Power output control unit of engine and above-mentioned vehicle flat tire emergency set.
Fig. 3 shows the flow chart for tackling the control method for vehicle blown out according to one exemplary embodiment.
As shown in figure 3, this method 300 may include step S310 to S330.In step S310, the tire of the tire of vehicle is obtained in real time
Pressure.Then, in step s 320, acquired tire pressure in step S310 is compared with default threshold value.In step
In S330, the comparative result in step S320 is sent to the control unit of engine of vehicle stops or reduces the dynamic of engine
The signal of power output.
According to an exemplary embodiment of the present invention, default threshold value includes first threshold T1 and Second Threshold T2,
And T1>T2.Above-mentioned steps S320 may include：By tire pressure value minimum in the tire pressure of each tire and first threshold T1 and the second threshold
Value T2 is compared.Thus, in above-mentioned steps S330, when minimum tire pressure value is less than first threshold T1 and more than Second Threshold
During T2, the signal for the power output for reducing engine is sent to control unit of engine, and when minimum tire pressure value is less than or waited
When Second Threshold T2, the signal for the power output for stopping engine being sent to control unit of engine.
According to an exemplary embodiment of the present invention, first threshold T1 can be set as to 0.85 to 0.95 times of mark
Quasi- tire pressure PStandard, such as 0.9PStandard, and Second Threshold T2 can be set as to 1.3 to 2 times of atmospheric pressure PAir, for example,
1.5PAir.Those skilled in the art can select appropriate T1 values, and root according to different vehicles, specification of vehicle tyre etc.
The factors such as the specification according to vehicle tyre, select appropriate T2 values.
Fig. 4 shows the flow chart that the control method for vehicle blown out is tackled according to another exemplary embodiment of the present invention.
As shown in figure 4, this method 300 ' may include step S310 to S340.For the sake of brevity, below only for embodiment party shown in Fig. 4
Formula and Fig. 3 difference are described in detail, and its something in common will not be described in great detail.
In step S340, it can be sent according to the comparative result in step S320 to the instrument panel lamp of vehicle and blow out or blow out in advance
Signal.According to one embodiment, in step S340, when minimum tire pressure value is less than first threshold T1 and more than Second Threshold T2
When, pre- signal of tyre burst can be sent to instrument panel lamp, and when minimum tire pressure value is less than or equal to Second Threshold T2, can be to instrument panel lamp
Send the signal of tyre burst different from pre- signal of tyre burst.
Be to the description of each embodiment of the invention above for a better understanding of the present invention, what it was merely exemplary,
And be not intended to present invention progress.It should be noted that in the above description, the feature for describing and/or showing for a kind of embodiment
It can be used in same or similar mode in one or more other embodiments, with the feature in other embodiment
It is combined, or substitute the feature in other embodiment.It will be understood by those skilled in the art that not departing from the design of the present invention
In the case of, the variations and modifications carried out for embodiment described above are belonged in the scope of the present invention.
Claims (14)
1. a kind of vehicle flat tire emergency set, including：
Tire pressure sensing unit, the tire pressure of the tire for monitoring vehicle in real time；And
Controller, tire pressure and default threshold value for the tire pressure sensing unit to be monitored are compared, and according to comparing
As a result the signal for the power output for stopping or reducing engine is sent to the control unit of engine of the vehicle；Wherein, wheel is worked as
The tire pressure of tire is had dropped to outside regime values scope, be imply that when would be possible to blow out, is sent out to control unit of engine
Send the signal of the power output of reduction engine；When the tire pressure of tire is too low, blow out when having occurred and that, to control unit of engine
Send the signal for the power output for stopping engine.
2. vehicle flat tire emergency set as claimed in claim 1, wherein the tire pressure sensing unit is sensed including multiple tire pressures
Device, the multiple tyre pressure sensor is respectively arranged on each tire of the vehicle, to monitor each tire in real time respectively
Tire pressure.
3. vehicle flat tire emergency set as claimed in claim 2, wherein the controller includes comparator and signal generator,
The default threshold value includes first threshold and Second Threshold, and the first threshold is more than the Second Threshold, the comparator
Minimum tire pressure value and the first threshold and second in the tire pressure for each tire that the multiple tyre pressure sensor is monitored
Threshold value is compared, and the signal generator is less than the first threshold and more than second threshold in the minimum tire pressure value
The signal for the power output for reducing engine is sent in the case of value to the control unit of engine.
4. vehicle flat tire emergency set as claimed in claim 3, wherein the signal generator is in the minimum tire pressure value
The power output of stopping engine being sent in the case of less than or equal to the Second Threshold to the control unit of engine
Signal.
5. the vehicle flat tire emergency set as described in claim 3 or 4, wherein the first threshold is 0.85 to 0.95 times of mark
Quasi- tire pressure, the Second Threshold is 1.3 to 2 times of atmospheric pressure.
6. vehicle flat tire emergency set as claimed in claim 3, wherein the controller according to comparative result to the vehicle
Instrument panel lamp send blow out or signal of tyre burst in advance.
7. vehicle flat tire emergency set as claimed in claim 6, wherein the signal generator is in the minimum tire pressure value
Pre- signal of tyre burst is sent to the instrument panel lamp less than the first threshold and in the case of being more than the Second Threshold, and described
Minimum tire pressure value is sent with the pre- signal of tyre burst not in the case of being less than or equal to the Second Threshold to the instrument panel lamp
Same signal of tyre burst.
8. a kind of vehicle, including：
Tire；
Engine；
Control unit of engine, the power output for controlling the engine；And
Vehicle flat tire emergency set as any one of claim 1 to 7.
9. the control method for vehicle that a kind of reply is blown out, including：
The tire pressure of the tire of vehicle is obtained in real time；
Acquired tire pressure is compared with default threshold value；And
The letter for the power output for stopping or reducing engine is sent to the control unit of engine of the vehicle according to comparative result
Number；Wherein, when the tire pressure of tire is had dropped to outside regime values scope, it imply that when would be possible to blow out, to starting
Machine control unit sends the signal of the power output of reduction engine；When the tire pressure of tire is too low, blow out when having occurred and that, Xiang Fa
Motivation control unit sends the signal for the power output for stopping engine.
10. control method for vehicle as claimed in claim 9, wherein the default threshold value includes first threshold and the second threshold
Value, the first threshold is more than the Second Threshold, and by acquired tire pressure and default threshold value be compared including：
Tire pressure value minimum in the tire pressure of each tire and the first threshold and Second Threshold are compared.
11. control method for vehicle as claimed in claim 10, wherein being controlled according to comparative result to the engine of the vehicle
The signal that unit sends the power output for stopping or reducing engine includes：
In the case where the minimum tire pressure value is less than the first threshold and is more than the Second Threshold to the engine
Control unit sends the signal of the power output of reduction engine；And
Sent in the case where the minimum tire pressure value is less than or equal to the Second Threshold to the control unit of engine
Stop the signal of the power output of engine.
12. control method for vehicle as claimed in claim 11, wherein the first threshold is 0.85 to 0.95 times of standard tire
Pressure, the Second Threshold is 1.3 to 2 times of atmospheric pressure.
13. the control method for vehicle as any one of claim 10 to 12, in addition to：
Sent and blown out or signal of tyre burst in advance to the instrument panel lamp of the vehicle according to comparative result.
14. control method for vehicle as claimed in claim 13, wherein being sent according to comparative result to the instrument panel lamp of the vehicle
Blow out in advance or signal of tyre burst includes：
In the case where the minimum tire pressure value is less than the first threshold and is more than the Second Threshold to the instrument panel lamp
Send pre- signal of tyre burst；And
The minimum tire pressure value be less than or equal to the Second Threshold in the case of to the instrument panel lamp send with it is described pre-
The different signal of tyre burst of signal of tyre burst.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510478347.1A CN105082899B (en) | 2015-08-06 | 2015-08-06 | Vehicle flat tire emergency set, vehicle and control method for vehicle with the device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510478347.1A CN105082899B (en) | 2015-08-06 | 2015-08-06 | Vehicle flat tire emergency set, vehicle and control method for vehicle with the device |
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| CN105082899A CN105082899A (en) | 2015-11-25 |
| CN105082899B true CN105082899B (en) | 2017-08-04 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109849592A (en) * | 2019-03-05 | 2019-06-07 | 上海航盛实业有限公司 | A kind of method for real-time monitoring of tire pressure |
| CN109747350B (en) * | 2019-03-12 | 2020-09-04 | 合肥工业大学 | Tire multi-threshold intelligent explosion-proof system, intelligent explosion-proof method thereof and vehicle |
| CN109941121B (en) * | 2019-03-29 | 2022-09-13 | 安徽安凯汽车股份有限公司 | Tire pressure abnormity protection system and method for new energy automobile |
| CN110077231B (en) * | 2019-04-28 | 2021-09-07 | 深圳市元征科技股份有限公司 | Tire pressure abnormity processing method and device and vehicle-mounted terminal |
| CN110239508B (en) * | 2019-05-08 | 2020-11-03 | 浙江吉利控股集团有限公司 | Vehicle control method, vehicle control system and vehicle with system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100478228C (en) * | 2004-05-14 | 2009-04-15 | 王德红 | Alarm Control device for pressure of car tire |
| DE102008018015A1 (en) * | 2008-04-09 | 2009-10-22 | Continental Automotive Gmbh | A method of detecting a pressure loss of a tire, tire pressure monitoring system, vehicle and computer product program |
| CN101585318A (en) * | 2009-06-30 | 2009-11-25 | 奇瑞汽车股份有限公司 | Automatic emergency processing system of tire pressure failure and processing method thereof |
| CN102390227A (en) * | 2011-08-30 | 2012-03-28 | 广东戈兰玛汽车系统有限公司 | Active braking force distribution and control system with tire pressure monitoring function |
| CN202283879U (en) * | 2011-09-28 | 2012-06-27 | 浙江吉润汽车有限公司 | Automobile control system |
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