CN105667251A - Automobile defogging method and device - Google Patents
Automobile defogging method and device Download PDFInfo
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- CN105667251A CN105667251A CN201610091304.2A CN201610091304A CN105667251A CN 105667251 A CN105667251 A CN 105667251A CN 201610091304 A CN201610091304 A CN 201610091304A CN 105667251 A CN105667251 A CN 105667251A
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000000889 atomisation Methods 0.000 claims abstract description 77
- 238000010205 computational analysis Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000000875 corresponding effect Effects 0.000 description 23
- 238000004891 communication Methods 0.000 description 19
- 239000011521 glass Substances 0.000 description 11
- 230000006870 function Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000003595 mist Substances 0.000 description 3
- 241001274961 Rubus repens Species 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007511 glassblowing Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/00642—Control systems or circuits; Control members or indication devices for heating, cooling or ventilating devices
- B60H1/00735—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models
- B60H1/00785—Control systems or circuits characterised by their input, i.e. by the detection, measurement or calculation of particular conditions, e.g. signal treatment, dynamic models by the detection of humidity or frost
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- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses an automobile defogging method and device. The automobile defogging method is applied to a mobile terminal and comprises the steps that key data information of an automobile is obtained and comprises an in-automobile temperature value and an in-automobile humidity value collected by the mobile terminal and an out-automobile temperature value collected by the automobile; according to the key data information, whether atomization occurs to the automobile or not is judged; and if atomization occurs to the automobile, a corresponding defogging operation order is sent to the automobile, and accordingly the automobile adjusts an automobile air conditioner according to the defogging operation order. Through the automobile defogging method, fog can be effectively prevented from being generated on a front windshield of the automobile, operation is convenient, and the reliability is high.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of automobile defogging method and device.
Background technology
Automotive window especially front windshield generation atomization is that a kind of physics of serious threat driving safety is existingResemble. The reason of atomizating phenomenon occurs is, when humidity in car is larger, and front windshield internal-external temperature difference is greater than oneWhen definite value, in car, airborne water vapour can form water membrane in interior surfaces of glass, and this moisture film can serious resistanceGear driver's sight line, passenger and pedestrian's safety on threat car.
In order to ensure driving safety, need to remove in time the water smoke on front windshield. Demist principle is to useThe straight glass-blowing inner surface of air that relative humidity is less, makes the water smoke evaporation of condensing. As automobile, currentDemister pattern mainly comprises preventative demist and pressure demist, and this preventative demist is in advance on windshieldSpray special demist product, to form one deck hydrophobic film, make mist pearl be difficult for forming. And this pressure demistBe in the time that fog produces, the humidity sensor of installing on the vision by people or automobile is responded to front windshield glassFog on glass, and open manually or automatically demist pattern according to induction situation. Above-mentioned the first demister pattern,Need regularly this special demist product of spraying, not only trouble and easily forgetting, and the second demister pattern need to beAfter sensing fog, just start demist, it is whole to opening demist pattern fog that it produces fog from front windshieldRemove the time that needs at the soonest 3s left and right, driver is in even visibility zero driving of low visibility during this period of timeState, danger coefficient is high, and in a word, above-mentioned two kinds of demister pattern reliabilities are not high.
Summary of the invention
The object of the present invention is to provide a kind of automobile defogging method and device, to solve existing automobile demist sideThe technical problem that method reliability is not high.
For solving the problems of the technologies described above, the embodiment of the present invention provides following technical scheme:
A kind of automobile defogging method, it is applied to mobile terminal, comprising:
Obtain the critical data information of automobile, described critical data information comprise described automobile vehicle interior temperature value,The outer temperature value of humidity value and car in car;
Judge according to described critical data information whether described automobile atomization can occur;
If atomization can occur described automobile, send corresponding demist operational order to described automobile, so that instituteStating automobile regulates on-board air conditioner according to described demist operational order.
For solving the problems of the technologies described above, the embodiment of the present invention also provides following technical scheme:
A kind of automobile defogging method, it is applied to automobile, comprising:
The data acquisition request that mobile terminal receive sends;
According to the outer temperature value of the car of automobile described in described data acquisition acquisition request, and by outer described car temperature valueBe sent to described mobile terminal;
Receive the demist operational order that described mobile terminal sends based on the outer temperature value of described car;
According to described demist operational order, the on-board air conditioner of described automobile is carried out to corresponding adjusting.
For solving the problems of the technologies described above, the embodiment of the present invention also provides following technical scheme:
A kind of automobile demister, it is applied to mobile terminal, comprising:
Acquisition module, for obtaining the critical data information of automobile, described critical data information comprises described vapourThe vehicle interior temperature value of car, the interior humidity value of car and the outer temperature value of car;
Judge module, for judging according to described critical data information whether described automobile atomization can occur;
Sending module, if can there is atomization for described automobile, sends corresponding demist behaviour to described automobileDo instruction, so that described automobile regulates on-board air conditioner according to described demist operational order.
For solving the problems of the technologies described above, the embodiment of the present invention also provides following technical scheme:
A kind of automobile demister, it is applied to automobile, comprising:
The first receiver module, the data acquisition request sending for mobile terminal receive;
Sending module, for according to the outer temperature value of the car of automobile described in described data acquisition acquisition request, and willThe outer temperature value of described car is sent to described mobile terminal;
The second receiver module, the demist behaviour who sends based on the outer temperature value of described car for receiving described mobile terminalDo instruction;
Adjustment module, for carrying out corresponding tune according to described demist operational order to the on-board air conditioner of described automobileJoint.
Automobile defogging method of the present invention and device, by obtaining the critical data information of automobile, and rootJudge that according to this critical data information whether automobile atomization can occur, if atomization can occur automobile, sends out to automobileSend corresponding demist operational order, so that automobile regulates on-board air conditioner according to this demist operational order,Effectively on preventing car front windshield, produce fog, easy to operate, reliability is high.
Brief description of the drawings
Below in conjunction with accompanying drawing, by the specific embodiment of the present invention is described in detail, will make skill of the present inventionArt scheme and other beneficial effect are apparent.
Fig. 1 is the schematic flow sheet of the automobile defogging method that provides of first embodiment of the invention.
Fig. 2 is the schematic flow sheet of the automobile defogging method that provides of second embodiment of the invention.
The structural representation of the automobile demister that Fig. 3 a provides for third embodiment of the invention.
The structural representation of another automobile demister that Fig. 3 b provides for third embodiment of the invention.
The structural representation of the automobile demister that Fig. 4 provides for fourth embodiment of the invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearlyChu, intactly description, obviously, described embodiment is only the present invention's part embodiment, instead ofWhole embodiment. Based on the embodiment in the present invention, those skilled in the art are not making creative laborThe every other embodiment obtaining under moving prerequisite, belongs to the scope of protection of the invention.
The embodiment of the present invention provides a kind of automobile defogging method and automobile demister. To carry out respectively in detail belowDescribe in detail bright.
The first embodiment
The present embodiment will be described from the angle of automobile demister, and this automobile demister can comprise handThe terminal device such as machine or panel computer.
Refer to Fig. 1, Fig. 1 has specifically described the automobile defogging method that first embodiment of the invention provides, shouldAutomobile defogging method is applied to mobile terminal, and it can comprise:
S101, obtain the critical data information of automobile, this critical data information can comprise in the car of this automobileThe outer temperature value (PD) of humidity value (IH) and car in temperature value (ID), car.
In the present embodiment, this mobile terminal can comprise the smart machine such as mobile phone, panel computer. This pass bond numberIt is believed that breath can obtain by temperature sensor and humidity sensor collection, this temperature sensor and humidity sensorDevice can be arranged in automobile and/or mobile terminal. When practical application, if this critical data information is eventually mobileThe common collection of end and automobile, for example, in this vehicle interior temperature value (ID) and car, humidity value (IH) is mobileTerminal gathers, and the outer temperature value (PD) of this car is automobile collection, is obtaining the critical data letter of automobileBefore breath, also need to set up the communication connection between mobile terminal and automobile, this communication connection mode can compriseUSB (UniversalSerialBus, USB) communication, wireless blue tooth communication or Wireless Fidelity(Wireless-Fidelity, WIFI) communication etc.
Concrete, if being that mobile terminal and automobile are common, this critical data information gathers, work as automobile and moveAfter moving terminal establishes a communications link, user can by open related application in mobile terminal fromThe moving critical data information of obtaining automobile. It should be noted that, this critical data information can be by mobile terminalGather in advance and be kept at automobile in stored data base separately, in the time that user opens related application,Mobile terminal can obtain the up-to-date critical data information of having preserved from this stored data base. Certainly this key,Data message can be also mobile terminal and automobile after user opens related application, just start to gatherTime data.
S102, judge according to this critical data information whether this automobile atomization can occur, if this automobile can occurAtomization, carries out following step S103, if atomization can not occur this automobile, carries out following step S104.
In the present embodiment, can carry out Treatment Analysis to this critical data information by algorithm, to judge this vapourWhether car can there is atomization. Preferably, above-mentioned steps S102 specifically can comprise:
(1) humidity value (IH) in this vehicle interior temperature value (ID) and car is carried out to computational analysis, revealedPoint temperature value (LD).
(2) judge according to this dew point temperature value (LD) and the outer temperature value (PD) of car whether this automobile can be sent outFog.
In the present embodiment, this dew point temperature value (LD) refers to air in moisture content and the constant feelings of air pressureUnder condition, be cooled to the temperature when saturated, image point says to be exactly the temperature of steam when becoming dewdrop. Work as atmosphereIn moisture reach capacity after state and on glass, formed so-called mist, i.e. atomization. Specifically can pass throughFollowing computing formula obtains this dew point temperature value (LD):
LogEW＝0.66077+7.5ID/(237.3+ID)+[log10(IH)-2]；
LD＝[(0.66077-logEW)*237.3]/(logEW-8.16077)
Wherein, LD is dew point temperature value, and IH is humidity value in car, and ID is vehicle interior temperature value, LogEWFor liquid level saturation vapour pressure.
In the present embodiment, when the front windshield temperature (being temperature value outside car (PD)) of automobile reaches this dewWhen point temperature value (LD), illustrate that atomization has occurred this front windshield, for avoiding the generation of this atomizating phenomenon,Need to infer in advance and this front windshield according to temperature value (PD) outside the dew point temperature value (LD) calculating and carWhether glass can there is atomizating phenomenon.
Preferably, this estimation method can be as described below, and above-mentioned steps (2) specifically can comprise:
Calculate the difference information (JD) of the outer temperature value (PD) of this car and dew point temperature value (LD);
Judge according to this difference information (JD) whether this automobile atomization can occur.
Preferably, the step of above-mentioned " judging according to this difference information (JD) whether this automobile atomization can occur "Suddenly specifically can comprise:
This difference information (JD) and pre-set threshold value (M) are compared;
If this difference information (JD) is not less than this pre-set threshold value (M) (being PD-LD=JD >=M), sentenceCan there is atomization in disconnected this automobile;
If this difference information (JD) is less than this pre-set threshold value (M) (being PD-LD=JD < M), judgementCan there is not atomization in this automobile.
In the present embodiment, this pre-set threshold value (M) is arranged by system default conventionally, is for example that mobile terminal is while dispatching from the factoryProducer has set. Learn through many experiments, M is generally 1 DEG C, even PD-LD=JD >=1,There is possibly atomization in the front windshield that shows this automobile, if PD-LD=JD < 1 shows thisCan there is not atomization in the front windshield of automobile.
S103, send corresponding demist operational order to this automobile, so that this automobile refers to according to this demist operationOrder regulates on-board air conditioner.
In the present embodiment, if JD >=M shows that atomization occurs the front windshield of this automobile possibly,Now, mobile terminal can send corresponding demist operational order to automobile, is correlated with to control on-board air conditionerAdjustment operation, for example increases the wind speed of on-board air conditioner, the temperature that reduces on-board air conditioner or unlatching on-board air conditionerDehumidification function etc., thereby change humidity value (IH) in this vehicle interior temperature value (ID) and car, make JD< M, reaches the object of demist.
In the present embodiment, for reaching as early as possible demist object, mobile terminal can be according to different difference information(JD) send different demist operational orders to automobile, above-mentioned " sending corresponding demist to this automobile graspsDo instruction " step specifically can comprise:
Determine corresponding atomization grade according to this difference information (JD);
Search in default instruction database according to this atomization grade, to obtain corresponding demist operationInstruction;
This demist operational order is sent to this automobile.
Concrete, can preset according to the actual requirements multiple pre-set threshold value scopes, atomization grade and removeMist operational order, and by between this atomization grade and pre-set threshold value scope, this atomization grade and demist operation refers toAfter setting up association between order, be stored in the database of appointment. Like this, in the time obtaining this difference information (JD),By this difference information (JD) is mated in specified database, can obtain corresponding pre-set threshold valueScope, atomization grade and demist operational order.
For example, it is rudimentary, intermediate and senior that this atomization grade can comprise, this pre-set threshold value scope can comprise1～1.5,1.5～2 and 2～2.5, this demist operational order can comprise that 1 grade of wind speed, temperature amplitude reduce by 2 degree,2 grades of wind speed, temperature amplitudes reduce by 5 degree, and 3 grades of wind speed, open dehumidifier function etc., when this differenceInformation (JD) is 1.8 o'clock, and the pre-set threshold value scope of coupling is 1.5～2, during definite atomization grade can beLevel, the demist operational order finding can be that 2 grades of wind speed, temperature amplitude reduce by 5 degree.
S104, flow process finish, and can not carry out any operation.
In the present embodiment, when learn PD-LD=JD < M by calculating, the front windshield glass of this automobile is describedTo can not there is atomization in glass, now, flow process finishes, and terminal can not carried out any operation.
From the above, the automobile defogging method that the present embodiment provides, by obtaining the critical data letter of automobileBreath, and judge according to this critical data information whether automobile atomization can occur, if can there is atomization in automobile,Send corresponding demist operational order to automobile, so that automobile enters on-board air conditioner according to this demist operational orderRow regulates, and effectively on preventing car front windshield, produces fog, and easy to operate, reliability is high.
The second embodiment
The present embodiment will be described from the angle of automobile demister, and this automobile demister can be integrated inIn the vehicles such as automobile.
Refer to Fig. 2, Fig. 2 has specifically described the automobile defogging method that second embodiment of the invention provides, shouldAutomobile defogging method is applied to automobile, and it can comprise:
The data acquisition request that H101, mobile terminal receive send.
In the present embodiment, it is logical that this mobile terminal can pass through usb communication, WIFI communication or wireless blue toothThis data acquisition request is sent to automobile by the modes such as letter. This mobile terminal can be mobile phone, panel computer etc.Terminal device. When practical application, user can will set up communication association between mobile terminal and automobile in advance,Like this, in the time that user opens the related application (for example vehicle-mounted demist application) of mobile terminal, eventually mobileEnd can generate this data acquisition request automatically, and this data acquisition request is sent to the application processor of automobileIn.
H102, according to the outer temperature value (PD) of the car of this this automobile of data acquisition acquisition request, and by outside this carTemperature value (PD) is sent to this mobile terminal.
In the present embodiment, can gather the outer temperature value (PD) of this car by the temperature sensor of automobile. This carOuter temperature value (PD) can be instant data, or the data that gather in advance. When temperature value (PD) outside this carWhile being the data that gather in advance, before the data acquisition request sending at mobile terminal receive, this automobile demistMethod can also comprise: the outer temperature value (PD) of this car is gathered and stored, for example by outside the car gatheringTemperature value (PD) is stored in data repository. Now, in the time that automobile receives data acquisition request, itsCan automatically from this data repository, obtain temperature value outside up-to-date car (PD), and by outer this car temperature value (PD)Be sent to mobile terminal, so that subsequent movement terminal is carried out correlation computations analysis.
H103, receive the demist operational order that this mobile terminal sends based on the outer temperature value (PD) of this car.
In the present embodiment, when temperature value outside mobile terminal receives car (PD), it can be in conjunction with PD and LDBetween relation infer that atomization can or can not occur the front windshield of this automobile, and result is determined by inferenceFixed whether needs sends demist operational order to automobile. Wherein, this LD is dew point temperature value, and it can lead toCross formula:
LogEW＝0.66077+7.5ID/(237.3+ID)+[log10(IH)-2]；
LD=[(0.66077-logEW) * 237.3]/(logEW-8.16077) calculate.
Wherein, ID is the vehicle interior temperature value that temperature sensor gathers, and IH is in the car of humidity sensor collectionHumidity value, LogEW is liquid level saturation vapour pressure. Preferably, humidity in this vehicle interior temperature value (ID) and carValue (IH) can be gathered by the sensor in automobile, also can be undertaken by the sensor in mobile terminalGather.
Concrete, can calculate the difference information of the outer temperature value (PD) of this car and dew point temperature value (LD)(JD), and this difference information (JD) is compared with pre-set threshold value M, if this difference information (JD)Be not less than this pre-set threshold value M (being PD-LD=JD >=M), judge that atomization can occur this automobile, now,Mobile terminal need to send demist operational order to automobile. If this difference information (JD) is less than this pre-set threshold valueM (being PD-LD=JD < M), judges that atomization can not occur this automobile, and now, mobile terminal does not needTo send demist operational order to automobile. In the present embodiment, this pre-set threshold value M is arranged by system default conventionally,Be for example mobile terminal while dispatching from the factory producer set. Learn this pre-set threshold value M through many experimentsBe generally 1 DEG C.
In addition, in the time that mobile terminal need to send demist operational order to automobile, for reaching as early as possible demist object,It can send different demist operational orders to automobile according to different difference information (JD), for example, and shouldDemist operational order can comprise that 1 grade of wind speed, temperature amplitude reduce by 2 degree, and 2 grades of wind speed, temperature amplitudes fallLow 5 degree, and 3 grades of wind speed, open dehumidifier function etc. In the time that this difference information (JD) is 1.8,The demist operational order that mobile terminal sends to automobile can be that 2 grades of wind speed, temperature amplitude reduce by 5 degree.
H104, according to this demist operational order, the on-board air conditioner of this automobile is carried out to corresponding adjusting.
Preferably, above-mentioned steps H104 specifically can comprise:
Temperature, humidity and/or wind speed according to this demist operational order to this on-board air conditioner carry out corresponding adjusting.
In the present embodiment, in the time that mobile terminal sends demist operational order to automobile, the front windshield of automobile is describedThere is possibly atomization in glass, now, automobile can by regulate on-board air conditioner temperature, humidity and/Or wind speed changes the temperature and humidity in car, reach the object of demist. For example, increase the wind of on-board air conditionerDehumidification function of speed, the temperature that reduces on-board air conditioner or unlatching on-board air conditioner etc.
From the above, the automobile defogging method that the present embodiment provides, the number sending by mobile terminal receiveAccording to gathering request, and according to the outer temperature value of the car of this data acquisition acquisition request automobile, afterwards, by outside this carTemperature value is sent to mobile terminal, and the demist operation that mobile terminal receive sends based on the outer temperature value of this car refers toOrder, last, according to this demist operational order, the on-board air conditioner of automobile is carried out to corresponding adjusting, can effectively preventOn shield glass, produce fog, easy to operate, reliability is high.
The 3rd embodiment
On the basis of method described in embodiment mono-, the present embodiment is by further from the angle of automobile demisterBe described, refer to Fig. 3 a, Fig. 3 a has specifically described the automobile demist that third embodiment of the invention providesDevice, this automobile demister is applied to mobile terminal, and it can comprise: acquisition module 10, judge module20 and sending module 30, wherein:
(1) acquisition module 10
Acquisition module 10, for obtaining the critical data information of automobile, this critical data information can comprise thisThe vehicle interior temperature value (ID) of automobile, the interior humidity value (IH) of car and the outer temperature value (PD) of car.
In the present embodiment, this critical data information can obtain by temperature sensor and humidity sensor collection,This temperature sensor and humidity sensor can be arranged in automobile and/or mobile terminal.
When practical application, if being that mobile terminal and automobile are common, this critical data information gathers, for example, and shouldIn vehicle interior temperature value (ID) and car, humidity value (IH) is mobile terminal collection, the outer temperature value (PD) of carBe automobile collection, this automobile demister can also comprise communication module 40, at acquisition module 10Before obtaining the critical data information of automobile, set up the communication connection between mobile terminal and automobile. Preferably,This communication connection mode can comprise USB (UniversalSerialBus, USB) communication, wirelessBluetooth communication or Wireless Fidelity (Wireless-Fidelity, WIFI) communication etc.
Concrete, if being that mobile terminal and automobile are common, this critical data information gathers, work as automobile and moveAfter moving terminal establishes a communications link, user can be controlled by the related application of opening in mobile terminalAcquisition module 10 processed obtains the critical data information of mobile terminal and automobile collection. It should be noted that this passKey data information can gather in advance and be kept in stored data base separately by mobile terminal and automobile, whenWhen user opens related application, acquisition module 10 can obtain preserved up-to-date from this stored data baseCritical data information. Certainly, this critical data information can be also that acquisition module 10 is opened eventually mobile userAfter the related application of end, just start the instant data that gather.
(2) judge module 20
Judge module 20, for judging according to this critical data information whether this automobile atomization can occur.
Preferably, refer to Fig. 3 b, this judge module 20 specifically can comprise: analyze submodule 21 and sentenceDisconnected submodule 22, wherein:
Analyze submodule 21, for humidity value (IH) in this vehicle interior temperature value (ID) and car is calculatedAnalyze, obtain dew point temperature value (LD).
Judge submodule 22, for judging according to this dew point temperature value (LD) and the outer temperature value (PD) of carWhether this automobile can there is atomization.
In the present embodiment, this dew point temperature value (LD) refers to air in moisture content and the constant feelings of air pressureUnder condition, be cooled to the temperature when saturated, image point says to be exactly the temperature of steam when becoming dewdrop. Work as atmosphereIn moisture reach capacity after state and on glass, formed so-called mist, i.e. atomization. Concrete, analyzeSubmodule 21 can obtain this dew point temperature value (LD) by following computing formula:
LogEW＝0.66077+7.5ID/(237.3+ID)+[log10(IH)-2]；
LD＝[(0.66077-logEW)*237.3]/(logEW-8.16077)
Wherein, LD is dew point temperature value, and IH is humidity value in car, and ID is vehicle interior temperature value, LogEWFor liquid level saturation vapour pressure.
In the present embodiment, when the front windshield temperature (being temperature value outside car (PD)) of automobile reaches this dewWhen point temperature value (LD), illustrate that atomization has occurred this front windshield, for avoiding the generation of this atomizating phenomenon,Need to infer in advance and this front windshield according to temperature value (PD) outside the dew point temperature value (LD) calculating and carWhether glass can there is atomizating phenomenon.
Preferably, this judgement submodule 22 specifically can comprise computing unit 221 and judging unit 222, itsIn:
Computing unit 221, for calculating the difference of the outer temperature value (PD) of this car and dew point temperature value (LD)Information (JD).
Judging unit 222, for judging according to this difference information (JD) whether this automobile atomization can occur.
Preferably, this judging unit 222 specifically can be for:
This difference information (JD) and pre-set threshold value (M) are compared;
If this difference information (JD) is not less than this pre-set threshold value (M) (being PD-LD=JD >=M),Judge that atomization can occur this automobile;
If this difference information (JD) is less than this pre-set threshold value (M) (being PD-LD=JD < M), sentenceCan there is not atomization in disconnected this automobile.
In the present embodiment, this pre-set threshold value (M) is arranged by system default conventionally, is for example that mobile terminal is while dispatching from the factoryProducer has set. Learn through many experiments, M is generally 1 DEG C, even PD-LD=JD >=1,There is possibly atomization in the front windshield that shows this automobile, if PD-LD=JD < 1 shows thisCan there is not atomization in the front windshield of automobile.
(3) sending module 30
Sending module 30, if can there is atomization for this automobile, sends corresponding demist operation to this automobileInstruction, so that this automobile regulates on-board air conditioner according to this demist operational order.
In the present embodiment, if judging this automobile, judging unit 222 can there is atomization (being JD >=M),Sending module 30 can send corresponding demist operational order to automobile, carries out associated adjustment to control on-board air conditionerOperation, the wind speed, the temperature of reduction on-board air conditioner or the removing of unlatching on-board air conditioner that for example increase on-board air conditionerWet function etc., thus humidity value (IH) in this vehicle interior temperature value (ID) and car changed, make JD < M,Reach the object of demist.
In the present embodiment, for reaching as early as possible demist object, sending module 30 can be according to different difference information(JD) send different demist operational orders to automobile, also, this sending module 30 specifically can be for:
Determine corresponding atomization grade according to this difference information (JD);
Search in default instruction database according to this atomization grade, to obtain corresponding demist operationInstruction;
This demist operational order is sent to this automobile.
Concrete, can preset according to the actual requirements multiple pre-set threshold value scopes, atomization grade and removeMist operational order, and by between this atomization grade and pre-set threshold value scope, this atomization grade and demist operation refers toAfter setting up association between order, be stored in the database of appointment. Like this, when computing unit 221 obtains this differenceWhen information (JD), sending module 30 by carrying out this difference information (JD) in specified databaseJoin, can obtain corresponding pre-set threshold value scope, atomization grade and demist operational order.
For example, it is rudimentary, intermediate and senior that this atomization grade can comprise, this pre-set threshold value scope can comprise1～1.5,1.5～2 and 2～2.5, this demist operational order can comprise that 1 grade of wind speed, temperature amplitude reduce by 2 degree,2 grades of wind speed, temperature amplitudes reduce by 5 degree, and 3 grades of wind speed, open dehumidifier function etc., when this differenceInformation (JD) is 1.8 o'clock, and the pre-set threshold value scope that sending module 30 mates is 1.5～2, definite atomizationGrade can be middle rank, and the demist operational order finding can be that 2 grades of wind speed, temperature amplitude reduce by 5 degree.
When concrete enforcement, above unit can be used as independently entity and realizes, and also can carry out arbitrarilyCombination, realizes as same or several entities, and the concrete enforcement of above unit can be referring to aboveEmbodiment of the method, does not repeat them here.
From the above, the automobile demister that the present embodiment provides, acquisition module 10 obtains the key of automobileData message, afterwards, judge module 20 judges according to this critical data information whether automobile atomization can occur,If atomization can occur automobile, sending module 30 sends demist operational order to automobile, so that automobile is according to being somebody's turn to doDemist operational order carries out corresponding adjusting to on-board air conditioner, effectively on preventing car front windshield, produces mistGas, easy to operate, reliability is high.
The 4th embodiment
On the basis of embodiment bis-the method, the present embodiment will further enter from the angle of automobile demisterLine description, refers to Fig. 4, and Fig. 4 has specifically described the automobile demister that fourth embodiment of the invention provides,This automobile demister is applied to automobile, and it can comprise: the first receiver module 100, sending module 200,The second receiver module 300 and adjustment module 400, wherein:
The first receiver module 100, the data acquisition request sending for mobile terminal receive.
In the present embodiment, it is logical that this mobile terminal can pass through usb communication, WIFI communication or wireless blue toothThis data acquisition request is sent to automobile by the modes such as letter. This mobile terminal can be mobile phone, panel computer etc.Terminal device. When practical application, user can will set up communication association between mobile terminal and automobile in advance,Like this, in the time that user opens the related application (for example vehicle-mounted demist application) of mobile terminal, eventually mobileEnd can generate this data acquisition request automatically, and this data acquisition request is sent to the application processor of automobileIn.
Sending module 200, for according to the outer temperature value (PD) of the car of this this automobile of data acquisition acquisition request,And outer this car temperature value (PD) is sent to this mobile terminal.
In the present embodiment, can gather the outer temperature value (PD) of this car by the temperature sensor of automobile. This carOuter temperature value (PD) can be the instant data that temperature sensor gathers, or the data that gather in advance.In the time that outside this car, temperature value (PD) is the data that gather in advance, automobile can be by temperature outside this car after having gatheredIn degree value (PD) autostore data repository therein. Now, if the first receiver module 100 receivesTo data acquisition request, sending module 200 can obtain temperature outside up-to-date car automatically from this data repositoryDegree value (PD), and outer this car temperature value (PD) is sent to mobile terminal, so that subsequent movement terminal is enteredLine correlation computational analysis.
The second receiver module 300, the demist behaviour who sends based on the outer temperature value of this car for receiving this mobile terminalDo instruction.
In the present embodiment, when temperature value outside mobile terminal receives car (PD), it can be in conjunction with PD and LDBetween relation infer that atomization can or can not occur the front windshield of this automobile, and result is determined by inferenceFixed whether needs sends demist operational order to automobile. Wherein, this LD is dew point temperature value, and it can lead toCross formula:
LogEW＝0.66077+7.5ID/(237.3+ID)+[log10(IH)-2]；
LD=[(0.66077-logEW) * 237.3]/(logEW-8.16077) calculate.
Wherein, ID is the vehicle interior temperature value that temperature sensor gathers, and IH is in the car of humidity sensor collectionHumidity value, LogEW is liquid level saturation vapour pressure. Preferably, humidity in this vehicle interior temperature value (ID) and carValue (IH) can be gathered by the sensor in automobile, also can be undertaken by the sensor in mobile terminalGather.
Concrete, mobile terminal can calculate the outer temperature value (PD) of this car and dew point temperature value (LD)Difference information (JD), and this difference information (JD) is compared with pre-set threshold value M, if this differenceInformation (JD) is not less than this pre-set threshold value M (being PD-LD=JD >=M), and mobile terminal need to be to vapourCar sends demist operational order. If it (is PD-LD=JD that this difference information (JD) is less than this pre-set threshold value M< M), mobile terminal does not need to send demist operational order to automobile. In the present embodiment, this default valveValue M is arranged by system default conventionally, be for example mobile terminal while dispatching from the factory producer set. Through manyInferior experiment learns, this pre-set threshold value M is generally 1 DEG C.
In addition, in the time that mobile terminal need to send demist operational order to automobile, for reaching as early as possible demist object,Mobile terminal can send different demist operational orders, example to automobile according to different difference information (JD)As can comprising 1 grade of wind speed, temperature amplitude,, this demist operational order reduces by 2 degree, 2 grades of wind speed, temperatureAmplitude reduces by 5 degree, and 3 grades of wind speed, opens dehumidifier function etc. When this difference information (JD) is 1.8Time, the demist operational order that mobile terminal sends to automobile can be that 2 grades of wind speed, temperature amplitude reduce by 5 degree.
Adjustment module 400, for carrying out corresponding tune according to this demist operational order to the on-board air conditioner of this automobileJoint.
Preferably, this adjustment module 400 specifically can be for:
Temperature, humidity and/or wind speed according to this demist operational order to this on-board air conditioner regulate.
In the present embodiment, in the time that the second receiver module 300 receives the demist operational order of mobile terminal transmission,There is atomization in the front windshield that automobile is described, now, adjustment module 400 can be by regulating possiblyTemperature, humidity and/or the wind speed of on-board air conditioner change the temperature and humidity in car, reach the object of demist.For example, adjustment module 400 can increase the wind speed of on-board air conditioner, temperature or the unlatching of reduction on-board air conditionerDehumidification function of on-board air conditioner etc.
When concrete enforcement, above unit can be used as independently entity and realizes, and also can carry out arbitrarilyCombination, realizes as same or several entities, and the concrete enforcement of above unit can be referring to aboveEmbodiment of the method, does not repeat them here.
From the above, the automobile demister that the present embodiment provides, receives by the first receiver module 100Mobile terminal send data acquisition request, and via sending module 200 according to this data acquisition acquisition requestAfter the outer temperature value of car of automobile, outer this car temperature value is sent to mobile terminal, afterwards, the second receiver moduleThe demist operational order that 300 mobile terminal receives send based on the outer temperature value of this car, and by adjustment module 400According to this demist operational order, the on-board air conditioner of automobile is carried out to corresponding adjusting, effectively preventing car front windshieldGeneration fog on glass, easy to operate, reliability is high.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodimentBe can carry out the hardware that instruction is relevant by program to complete, this program can be stored in a computer-readable and depositIn storage media, storage medium can comprise: read-only storage (ROM, ReadOnlyMemory), withMachine access/memory body (RAM, RandomAccessMemory), disk or CD etc.
A kind of automobile defogging method and the device that above the embodiment of the present invention are provided are described in detail,Apply specific case herein principle of the present invention and embodiment have been set forth, above embodiment'sIllustrate just for helping to understand method of the present invention and core concept thereof; Meanwhile, for the technology of this areaPersonnel, according to thought of the present invention, all will change in specific embodiments and applications, combineUpper being somebody's turn to do, this description should not be construed as limitation of the present invention.
Claims (14)
1. an automobile defogging method, is characterized in that, described automobile defogging method is applied to mobile terminal,It comprises:
Obtain the critical data information of automobile, described critical data information comprise described automobile vehicle interior temperature value,The outer temperature value of humidity value and car in car;
Judge according to described critical data information whether described automobile atomization can occur;
If can there is atomization, send corresponding demist operational order to described automobile, so that described automobile rootAccording to described demist operational order, on-board air conditioner is regulated.
2. automobile defogging method according to claim 1, is characterized in that, described according to described keyData message judges that the step whether described automobile atomization can occur specifically comprises:
Humidity value in described vehicle interior temperature value and car is carried out to computational analysis, obtain dew point temperature value;
Judge according to described dew point temperature value and the outer temperature value of car whether described automobile atomization can occur.
3. automobile defogging method according to claim 2, is characterized in that, described according to described dew pointThe outer temperature value of temperature value and car judges that the step whether described automobile atomization can occur specifically comprises:
Calculate the difference information of the outer temperature value of described car and dew point temperature value;
Judge according to described difference information whether described automobile atomization can occur.
4. automobile defogging method according to claim 3, is characterized in that, described according to described differenceInformation judges that the step whether described automobile atomization can occur specifically comprises:
Described difference information and pre-set threshold value are compared;
If described difference information is not less than described pre-set threshold value, judge that atomization can occur described automobile;
If described difference information is less than described pre-set threshold value, judge that atomization can not occur described automobile.
5. automobile defogging method according to claim 3, is characterized in that, describedly sends out to described automobileSend the step of corresponding demist operational order specifically to comprise:
Determine corresponding atomization grade according to described difference information;
Search in default instruction database according to described atomization grade, to obtain corresponding demist behaviourDo instruction;
Described demist operational order is sent to described automobile.
6. an automobile defogging method, is characterized in that, described automobile defogging method is applied to automobile, its bagDraw together:
The data acquisition request that mobile terminal receive sends;
According to the outer temperature value of the car of automobile described in described data acquisition acquisition request, and by outer described car temperature valueBe sent to described mobile terminal;
Receive the demist operational order that described mobile terminal sends based on the outer temperature value of described car;
According to described demist operational order, the on-board air conditioner of described automobile is carried out to corresponding adjusting.
7. automobile defogging method according to claim 6, is characterized in that, described according to described demistThe step that operational order carries out corresponding adjusting to the on-board air conditioner of described automobile specifically comprises:
Temperature, humidity and/or wind speed according to described demist operational order to described on-board air conditioner carry out corresponding tuneJoint.
8. an automobile demister, is characterized in that, described automobile demister is applied to mobile terminal,It comprises:
Acquisition module, for obtaining the critical data information of automobile, described critical data information comprises described vapourThe vehicle interior temperature value of car, the interior humidity value of car and the outer temperature value of car;
Judge module, for judging according to described critical data information whether described automobile atomization can occur;
Sending module, if can there is atomization for described automobile, sends corresponding demist behaviour to described automobileDo instruction, so that described automobile regulates on-board air conditioner according to described demist operational order.
9. automobile demister according to claim 8, is characterized in that, described judge module is concreteComprise:
Analyze submodule, for humidity value in described vehicle interior temperature value and car is carried out to computational analysis, revealedPoint temperature value;
Judge submodule, for judging that according to the outer temperature value of described dew point temperature value and car described automobile whether canThere is atomization.
10. automobile demister according to claim 9, is characterized in that, described judgement submoduleSpecifically comprise:
Computing unit, for calculating the difference information of the outer temperature value of described car and dew point temperature value;
Judging unit, for judging according to described difference information whether described automobile atomization can occur.
11. automobile demisters according to claim 10, is characterized in that, described judging unit toolBody is used for:
Described difference information and pre-set threshold value are compared;
If described difference information is not less than described pre-set threshold value, judge that atomization can occur described automobile;
If described difference information is less than described pre-set threshold value, judge that atomization can not occur described automobile.
12. automobile demisters according to claim 10, is characterized in that, described sending module toolBody is used for:
Determine corresponding atomization grade according to described difference information;
Search in default instruction database according to described atomization grade, to obtain corresponding demist behaviourDo instruction;
Described demist operational order is sent to described automobile, so that described automobile refers to according to described demist operationOrder regulates on-board air conditioner.
13. 1 kinds of automobile demisters, is characterized in that, described automobile demister is applied to automobile, itsComprise:
The first receiver module, the data acquisition request sending for mobile terminal receive;
Sending module, for according to the outer temperature value of the car of automobile described in described data acquisition acquisition request, and willThe outer temperature value of described car is sent to described mobile terminal;
The second receiver module, the demist behaviour who sends based on the outer temperature value of described car for receiving described mobile terminalDo instruction;
Adjustment module, for carrying out corresponding tune according to described demist operational order to the on-board air conditioner of described automobileJoint.
14. automobile demisters according to claim 13, is characterized in that, described adjustment module toolBody is used for:
Temperature, humidity and/or wind speed according to described demist operational order to described on-board air conditioner carry out corresponding tuneJoint.
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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