CN106515369A - Control method and device for vehicle air conditioner - Google Patents
Control method and device for vehicle air conditioner Download PDFInfo
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- CN106515369A CN106515369A CN201611069700.1A CN201611069700A CN106515369A CN 106515369 A CN106515369 A CN 106515369A CN 201611069700 A CN201611069700 A CN 201611069700A CN 106515369 A CN106515369 A CN 106515369A
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- front windshield
- vehicle air
- real
- information
- defrosting
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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
- B60H1/00764—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 the input being a vehicle driving condition, e.g. speed
-
- 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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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a control method and device for a vehicle air conditioner. The control method for the vehicle air conditioner comprises the steps that real-time image information of a front windshield is obtained; and a heater of a vehicle air conditioner system is turned on or off for defrosting and demisting of the front windshield according to the real-time image information. According to the control method and device for the vehicle air conditioner, the state of the front windshield is identified by means of the image processing technology, and the front windshield is defrosted and demisted through the heater so that the functions of automatic and real-time defrosting and demisting can be achieved in this way, and the demand for automobile intelligent development is met.
Description
Technical field
The present invention relates to automobile technical field, the control method and device of more particularly to a kind of vehicle air conditioning.
Background technology
When automobile is driven under the relatively low environment of temperature, because the outer temperature of car is less than vehicle interior temperature, shield glass
Easily fogging frosting, so as to block the sight line of human pilot, affects driving safety.Human pilot generally requires manual operation to be come to gear
Wind glass is cleaned, and this needs to make driver clear up manually, easily causes vehicle accident.Although in the middle of existing part vehicle
Be furnished with demisting frost removal, but also need human pilot to be switched manually, in troublesome poeration, and existing vehicle integrated function compared with
Many, activate switch is also more and more, equally possible when human pilot opens respective switch in driving to cause vehicle accident, and
Intelligentized development trend is not met.
The content of the invention
Embodiment of the present invention technical problem to be solved is to provide a kind of control method and device of vehicle air conditioning, to reality
Existing automatic identification simultaneously carries out defrosting-defogging.
To solve above-mentioned technical problem, a kind of control method of vehicle air conditioning is embodiments provided, including：
Obtain the real-time image information of front windshield；
According to the real-time image information, control vehicle air conditioner starts or closes warm braw to the front windshield
Defrosting-defogging.
Further, described according to the real-time image information, control vehicle air conditioner starts or closes warm braw to institute
The step of defrosting-defogging for stating front windshield, includes：
Default process is carried out to the real-time image information, the status information of the front windshield is obtained；
When it is frosting and/or fogging state that the status information represents presently described front windshield, control vehicle is empty
Adjusting system starts defrosting-defogging of the warm braw to the front windshield；
When it is non-frosting and/or non-fogging state that the status information represents presently described front windshield, car is controlled
Air conditioning system closes defrosting-defogging of the warm braw to the front windshield.
Further, default process is carried out to the real-time image information, obtains the status information of the front windshield
The step of include：
The first default process, the image information after being processed are carried out to the real-time image information；
Binaryzation is carried out to the image information after the process, bianry image is obtained；
Mathematical morphological operation is carried out to the bianry image, and calculates frosting and/or fogging in the bianry image
Area image area；
The value of described image area is compared with preset area value, the status information of the front windshield is obtained.
Further, the step of the first default process is carried out to the real-time image information includes：
According to the real-time image information obtain real time imaging, the real time imaging is carried out it is dry, increase contrast and
Gray processing process.
Further, start step of the warm braw to the defrosting-defogging of the front windshield in the control vehicle air conditioner
Also include before rapid：
Obtain the outer temperature information of car and vehicle interior temperature information；
According to the outer temperature information of the car and the in-car outer temperature differential information of vehicle interior temperature information acquisition；
When the outer temperature differential information satisfaction first of the in-car is pre-conditioned, performs controlled vehicle air conditioner and start warm braw
Defrosting-defogging to the front windshield.
Further, described first pre-conditioned is：The car internal-external temperature difference that the outer temperature differential information of the in-car is represented is more than pre-
If temperature approach.
Further, start step of the warm braw to the defrosting-defogging of the front windshield in the control vehicle air conditioner
Also include before rapid：
Obtain the real-time speed information of vehicle；
When the real-time speed information meet second it is pre-conditioned when, perform the control vehicle air conditioner and start warm braw
The step of to the defrosting-defogging of the front windshield.
Further, described second pre-conditioned is：The real-time speed that the real-time speed information is represented is less than default car
Speed value.
The embodiment of the present invention additionally provides a kind of control device of vehicle air conditioning, including：
First acquisition module, for obtaining the real-time image information of front windshield；
Control module, for according to the real-time image information, control vehicle air conditioner starts or close warm braw to institute
State the defrosting-defogging of front windshield.
Further, the control module, for according to the real-time image information, control vehicle air conditioner start or
Close in defrosting-defogging of the warm braw to the front windshield, the control module includes：
Pretreatment module, for default process is carried out to the real-time image information, obtains the shape of the front windshield
State information；
First control module, for representing presently described front windshield for frosting and/or fogging when the status information
During state, control vehicle air conditioner starts defrosting-defogging of the warm braw to the front windshield；
Second control module, for representing presently described front windshield for non-frosting and/or not when the status information
During fogging state, control vehicle air conditioner closes defrosting-defogging of the warm braw to the front windshield.
Compared with prior art, a kind of control method and device of vehicle air conditioning provided in an embodiment of the present invention, at least has
There is following beneficial effect：The control method and device of the vehicle air conditioning of the embodiment of the present invention, before image processing techniquess identification
The state of windshield, and realize that the demisting to front windshield defrosts by warm braw, automatic, real-time demisting is capable of achieving with this
Defrosting function, it is not necessary to which human pilot is operated, and meets vehicle intellectualized development need.
Description of the drawings
Fig. 1 is one of flow chart of control method of vehicle air conditioning of the embodiment of the present invention；
Fig. 2 for the flow chart of the control method of the vehicle air conditioning of the embodiment of the present invention two；
Fig. 3 for the flow chart of the control method of the vehicle air conditioning of the embodiment of the present invention three；
Fig. 4 for the flow chart of the control method of the vehicle air conditioning of the embodiment of the present invention four；
Fig. 5 for the flow chart of the control method of the vehicle air conditioning of the embodiment of the present invention five；
Structural representations of the Fig. 6 for the control device of the vehicle air conditioning of the embodiment of the present invention.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.In the following description, there is provided such as specifically the specific detail of configuration and component is only
In order to help comprehensive understanding embodiments of the invention.Therefore, it will be apparent to those skilled in the art that can be to reality described herein
Apply example to make various changes and modifications without deviating from scope and spirit of the present invention.In addition, for clarity and brevity, it is right to eliminate
The description of known function and construction.
It should be understood that " one embodiment " or " embodiment " that description is mentioned in the whole text means relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present invention.Therefore, occur in entire disclosure everywhere
" in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.Additionally, these specific feature, knots
Structure or characteristic can be combined in one or more embodiments in any suitable manner.
In various embodiments of the present invention, it should be appreciated that the size of the sequence number of following each processes is not meant to that execution is suitable
The priority of sequence, the execution sequence of each process should be determined with its function and internal logic, and should not be to the enforcement of the embodiment of the present invention
Process constitutes any restriction.
First embodiment
Referring to Fig. 1, a kind of control method of vehicle air conditioning is embodiments provided, including：
Step 101, obtains the real-time image information of front windshield；
Step 102, according to the real-time image information, control vehicle air conditioner starts or closes warm braw to the front
The defrosting-defogging of wind glass.
In the control method of the vehicle air conditioning of the embodiment of the present invention, the real-time image information of front windshield, profit are obtained
The image information of front windshield is recognized with image processing techniquess, and starts warm braw realization to front windshield by controlling air conditioning system
The demisting defrosting of glass, when frostless fogless, controls its closing, is capable of achieving automatic, real-time demisting defrosting function with this, meets
Vehicle intellectualized development need.In the control method of the vehicle air conditioning of the embodiment of the present invention, warm braw is removed to front windshield
White demisting is heated to front windshield using warm braw, eliminates frost and/or mist with this.
It should be noted that in the present embodiment and following embodiments, frosting fogging be and/or relation, i.e. frosting
And/or fogging.
Second embodiment
Referring to Fig. 2, for first embodiment in, described according to the real-time image information, control vehicle air conditioner is opened
It is dynamic or include the step of close warm braw to the defrosting-defogging of the front windshield：
Step 201, carries out default process, obtains the status information of the front windshield to the real-time image information；
Step 202, when it is frosting and/or fogging state that the status information represents presently described front windshield, control
Vehicle air conditioner processed starts defrosting-defogging of the warm braw to the front windshield；
Step 203, when the status information represents presently described front windshield for non-frosting and/or non-fogging state
When, control vehicle air conditioner closes defrosting-defogging of the warm braw to the front windshield.
Compared to first embodiment, in the present embodiment, to how according to real-time image information, controlling vehicle air conditioner
Starting or close warm braw has carried out further restriction to the defrosting-defogging of the front windshield.Known using image processing techniquess
Do not go out the state of front windshield, whether have the state that frost has mist to realize processing which accordingly according to which.
It should be noted that in the present embodiment, the step of step 202 and step 203 belong to same level, do not exist suitable
Order relation.
3rd embodiment
Referring to Fig. 3, for second embodiment in, default process is carried out to the real-time image information, the front is obtained
The step of status information of wind glass, includes：
Step 301, carries out the first default process, the image information after being processed to the real-time image information；
Step 302, carries out binaryzation to the image information after the process, obtains bianry image；
Step 303, carries out mathematical morphological operation, and calculates frosting in the bianry image to the bianry image
And/or fogging area image area；
Step 304, the value of described image area is compared with preset area value, obtains the shape of the front windshield
State information.
In the present embodiment, the pretreatment of image information is specifically described, because glass frosting fogging region and non-frosting
Fogging area grayscale value is different, image is carried out binaryzation and can distinguish non-frosting fogging region and frosting fogging region.Pass through
The area and arranges value for calculating frosting fogging region is compared judgement and front windshield whether frosting fogging is obtained.
Wherein, the step of the first default process is carried out to the real-time image information includes：
According to the real-time image information obtain real time imaging, the real time imaging is carried out it is dry, increase contrast and
Gray processing process.
In the present embodiment, by it is above-mentioned go it is dry, increase contrast and gray processing process can make frosting fogging region with it is non-
The difference in frosting fogging region becomes apparent from, and is easy to the calculating in follow-up frosting fogging region and the area in non-frosting fogging region.
It should be noted that it is only the one of present invention offer to carry out default process in above-described embodiment to real-time image information
Preferred embodiment is planted, the present invention is not limited to above-described embodiment, and those skilled in the art once know basic creation
Property concept, then other change and modification can be made to these embodiments, these change and modification should also fall into the present invention guarantor
Shield scope.
Fourth embodiment
Referring to Fig. 4, for second embodiment in, it is described control vehicle air conditioner start warm braw to the front windshield glass
Also included before the step of defrosting-defogging of glass：
Step 401, obtains the outer temperature information of car and vehicle interior temperature information；
Step 402, according to the outer temperature information of the car and the in-car outer temperature differential information of vehicle interior temperature information acquisition；
Step 403, when the outer temperature differential information satisfaction first of the in-car is pre-conditioned, performs controlled vehicle air conditioner
Start defrosting-defogging of the warm braw to the front windshield.
Above-described embodiment is different from, in the present embodiment, it is contemplated that image recognition is possible to misjudgment phenomenon occur, and glass
The fogging frost of glass only occurs in the relatively low state of outdoor temperature, so, judged whether referring also to car internal-external temperature difference
Need to carry out defrosting-defogging, only when above-mentioned two condition is satisfied by, just perform defrosting-defogging, it is to avoid erroneous judgement.
Wherein, described first pre-conditioned is：The car internal-external temperature difference that the outer temperature differential information of the in-car is represented is more than default temperature
Difference.
In the present embodiment, fiducial temperature value can empirically or experimentally be worth and be set.
5th embodiment
Referring to Fig. 5, for second embodiment or fourth embodiment in, it is described control vehicle air conditioner start warm braw pair
Also included before the step of defrosting-defogging of the front windshield：
Step 501, obtains the real-time speed information of vehicle；
Step 502, when the real-time speed information meet second it is pre-conditioned when, perform the control vehicle air conditioner
The step of starting warm braw to the defrosting-defogging of the front windshield.
Because when carrying out defrosting-defogging to the front windshield using warm braw, when front windshield is to there is mist, utilizing
Warm braw demisting can just begin with the of short duration time may so that front windshield becomes more to obscure, so, be different from
Above-described embodiment, in the present embodiment, if carry out automatically the real-time speed that defrosting-defogging reference is also made to vehicle, when real-time speed
When too high, then defrosting-defogging should not be carried out to the front windshield using warm braw, it is to avoid the generation of accident, improve safety.
Wherein, described second pre-conditioned is：The real-time speed that the real-time speed information is represented is less than preset vehicle speed value.
In the present embodiment, preset vehicle speed value empirically or experimentally can be set.
Sixth embodiment
Referring to Fig. 6, the embodiment of the present invention additionally provides a kind of control device of vehicle air conditioning, including：
First acquisition module 1, for obtaining the real-time image information of front windshield；
Control module 2, for according to the real-time image information, control vehicle air conditioner starts or close warm braw to institute
State the defrosting-defogging of front windshield.
Further, the control module 2, for according to the real-time image information, control vehicle air conditioner starts
Or close in defrosting-defogging of the warm braw to the front windshield, the control module 2 includes：
Pretreatment module, for default process is carried out to the real-time image information, obtains the shape of the front windshield
State information；
First control module, for representing presently described front windshield for frosting and/or fogging when the status information
During state, control vehicle air conditioner starts defrosting-defogging of the warm braw to the front windshield；
Second control module, for representing presently described front windshield for non-frosting and/or not when the status information
During fogging state, control vehicle air conditioner closes defrosting-defogging of the warm braw to the front windshield.
Further, the pretreatment module, for default process is carried out to the real-time image information, before acquisition is described
In the status information of windshield, the pretreatment module includes：
First pretreatment module, for the first default process, the figure after being processed are carried out to the real-time image information
As information；
Binaryzation is carried out to the image information after the process, bianry image is obtained；
Mathematical morphological operation is carried out to the bianry image, and calculates frosting and/or fogging in the bianry image
Area image area；
The value of described image area is compared with preset area value, the status information of the front windshield is obtained.
Further, first pretreatment module, for carrying out to the real-time image information in the first default process,
First pretreatment module includes：
Processing module, for according to the real-time image information obtain real time imaging, the real time imaging is carried out it is dry,
Increase contrast and gray processing is processed.
Further, start warm braw to the front windshield glass in the first control module control control vehicle air conditioner
In the defrosting-defogging of glass, first control module includes：
Second acquisition module, for obtaining the outer temperature information of car and vehicle interior temperature information；
3rd acquisition module, for according to the outer temperature information of the car and vehicle interior temperature information acquisition car internal-external temperature difference letter
Breath；
When the outer temperature differential information satisfaction first of the in-car is pre-conditioned, first control module performs institute's control vehicle
Air conditioning system starts defrosting-defogging of the warm braw to the front windshield.
Further, described first pre-conditioned is：The car internal-external temperature difference that the outer temperature differential information of the in-car is represented is more than pre-
If temperature approach.
Further, start warm braw to the front windshield glass in the first control module control control vehicle air conditioner
In the defrosting-defogging of glass, first control module includes：
4th acquisition module, for obtaining the real-time speed information of vehicle；
When the real-time speed information meet second it is pre-conditioned when, first control module performs the control vehicle
The step of air conditioning system starts warm braw to the defrosting-defogging of the front windshield.
Further, described second pre-conditioned is：The real-time speed that the real-time speed information is represented is less than default car
Speed value.
To sum up, the control method and device of the vehicle air conditioning of the embodiment of the present invention, recognizes front using image processing techniquess
The state of wind glass, and realize that the demisting to front windshield defrosts by warm braw, automatic, real-time demisting is capable of achieving with this and is removed
White function, meets vehicle intellectualized development need.
Also, it should be noted that herein, such as first and second or the like relational terms are used merely to one
Entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied between these entities or operation
There is any this actual relation or order.And, term " including ", "comprising" or its any other variant are intended to contain
Lid nonexcludability is included.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. a kind of control method of vehicle air conditioning, it is characterised in that include：
Obtain the real-time image information of front windshield；
According to the real-time image information, control vehicle air conditioner starts or closes defrosting of the warm braw to the front windshield
Demisting.
2. the control method of vehicle air conditioning according to claim 1, it is characterised in that described to be believed according to the real time imaging
Breath, controls vehicle air conditioner and starts or include the step of closing warm braw to the defrosting-defogging of the front windshield：
Default process is carried out to the real-time image information, the status information of the front windshield is obtained；
When it is frosting and/or fogging state that the status information represents presently described front windshield, vehicle air conditioning system is controlled
System starts defrosting-defogging of the warm braw to the front windshield；
When it is non-frosting and/or non-fogging state that the status information represents presently described front windshield, control vehicle is empty
Adjusting system closes defrosting-defogging of the warm braw to the front windshield.
3. the control method of vehicle air conditioning according to claim 2, it is characterised in that the real-time image information is carried out
The step of default process, status information for obtaining the front windshield, includes：
The first default process, the image information after being processed are carried out to the real-time image information；
Binaryzation is carried out to the image information after the process, bianry image is obtained；
Mathematical morphological operation is carried out to the bianry image, and calculates frosting and/or fogging region in the bianry image
Image area；
The value of described image area is compared with preset area value, the status information of the front windshield is obtained.
4. the control method of vehicle air conditioning according to claim 3, it is characterised in that the real-time image information is carried out
The step of first default process, includes：
Real time imaging is obtained according to the real-time image information, dry, increase contrast and gray scale are carried out to the real time imaging
Change is processed.
5. the control method of vehicle air conditioning according to claim 2, it is characterised in that in the control vehicle air conditioner
Start warm braw to also including before the step of the defrosting-defogging of the front windshield：
Obtain the outer temperature information of car and vehicle interior temperature information；
According to the outer temperature information of the car and the in-car outer temperature differential information of vehicle interior temperature information acquisition；
When the outer temperature differential information satisfaction first of the in-car is pre-conditioned, performs controlled vehicle air conditioner and start warm braw to institute
State the defrosting-defogging of front windshield.
6. the control method of vehicle air conditioning according to claim 5, it is characterised in that described first pre-conditioned is：Institute
State the car internal-external temperature difference that temperature differential information is represented outside in-car and be more than fiducial temperature value.
7. the control method of the vehicle air conditioning according to claim 2 or 5, it is characterised in that in the control vehicle air conditioning
System start-up warm braw is to also including before the step of the defrosting-defogging of the front windshield：
Obtain the real-time speed information of vehicle；
When the real-time speed information meet second it is pre-conditioned when, perform the control vehicle air conditioner and start warm braw to institute
The step of stating the defrosting-defogging of front windshield.
8. the control method of vehicle air conditioning according to claim 7, it is characterised in that described second pre-conditioned is：Institute
State the real-time speed that real-time speed information represents and be less than preset vehicle speed value.
9. a kind of control device of vehicle air conditioning, it is characterised in that include：
First acquisition module, for obtaining the real-time image information of front windshield；
Control module, for according to the real-time image information, control vehicle air conditioner starts or closes warm braw to before described
The defrosting-defogging of windshield.
10. the control device of vehicle air conditioning according to claim 9, it is characterised in that the control module, for basis
The real-time image information, control vehicle air conditioner start or close in defrosting-defogging of the warm braw to the front windshield,
The control module includes：
Pretreatment module, for default process is carried out to the real-time image information, obtains the state letter of the front windshield
Breath；
First control module, for representing presently described front windshield for frosting and/or fogging state when the status information
When, control vehicle air conditioner starts defrosting-defogging of the warm braw to the front windshield；
Second control module, for representing presently described front windshield for non-frosting and/or non-fogging when the status information
During state, control vehicle air conditioner closes defrosting-defogging of the warm braw to the front windshield.
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| CN201611069700.1A CN106515369B (en) | 2016-11-29 | 2016-11-29 | A kind of control method and device of vehicle air conditioning |
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| CN201611069700.1A CN106515369B (en) | 2016-11-29 | 2016-11-29 | A kind of control method and device of vehicle air conditioning |
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| CN108909403A (en) * | 2018-07-03 | 2018-11-30 | 奇瑞汽车股份有限公司 | A kind of automatic defrosting method and device |
| CN109101912A (en) * | 2018-08-01 | 2018-12-28 | 魏丽 | Driving behavior intelligence adjustment system |
| CN109130778A (en) * | 2018-08-15 | 2019-01-04 | 北京新能源汽车股份有限公司 | Control method, device and equipment for vehicle-mounted air conditioner |
| CN109243192A (en) * | 2018-08-03 | 2019-01-18 | 秦芳 | Violation information automatic reception structure |
| CN109383216A (en) * | 2017-08-10 | 2019-02-26 | 郑州宇通客车股份有限公司 | A kind of vehicle windscreen hazes identifying system, method and vehicle glass |
| CN110406346A (en) * | 2018-04-26 | 2019-11-05 | 上海博泰悦臻网络技术服务有限公司 | Air conditioning control method, system and vehicle based on Image Acquisition |
| CN111251830A (en) * | 2020-02-19 | 2020-06-09 | 王英婷 | Intelligent blowing heating driving system |
| CN111775890A (en) * | 2020-05-29 | 2020-10-16 | 恒大新能源汽车投资控股集团有限公司 | Method, device and system for detecting shielding of vehicle window glass and storage medium |
| CN112277888A (en) * | 2020-02-19 | 2021-01-29 | 王英婷 | Intelligent blowing heating driving method |
| CN114714865A (en) * | 2022-04-12 | 2022-07-08 | 重庆金康赛力斯新能源汽车设计院有限公司 | Demisting system and demisting method for automobile glass |
| WO2022247025A1 (en) * | 2021-05-27 | 2022-12-01 | 上海博泰悦臻网络技术服务有限公司 | Demisting method, electronic device and storage medium |
| WO2022252765A1 (en) * | 2021-06-01 | 2022-12-08 | 青岛海尔空调器有限总公司 | Method and apparatus for controlling air conditioner, and air conditioner |
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| CN111775890A (en) * | 2020-05-29 | 2020-10-16 | 恒大新能源汽车投资控股集团有限公司 | Method, device and system for detecting shielding of vehicle window glass and storage medium |
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