CN106288158A - Air-conditioning and defrosting method thereof and device - Google Patents
Air-conditioning and defrosting method thereof and device Download PDFInfo
- Publication number
- CN106288158A CN106288158A CN201610639103.1A CN201610639103A CN106288158A CN 106288158 A CN106288158 A CN 106288158A CN 201610639103 A CN201610639103 A CN 201610639103A CN 106288158 A CN106288158 A CN 106288158A
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- Prior art keywords
- heat exchanger
- conditioning
- air
- defrost
- image
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/30—Condensation of water from cooled air
Abstract
The invention discloses a kind of air-conditioning and defrosting method thereof and device.The method includes: gather the image of the heat exchanger of air-conditioning；Judge that heat exchanger is the need of defrost according to image；And if it is judged that heat exchanger needs defrost, control air-conditioning and enter defrost pattern.By the present invention, solve in correlation technique cannot the heat exchanger of accurate measurements air-conditioning the need of the problem of defrost.
Description
Technical field
The present invention relates to field of air conditioning, in particular to a kind of air-conditioning and defrosting method thereof and device.
Background technology
Current domestic air conditioning and business air conditioner are when heating, and the heat exchanger of air-conditioning there will be the phenomenon of frosting, and heat is handed over
Parallel operation includes the variety classes such as condenser, vaporizer.The air-conditioning heating effect that heat exchanger can produce after frosting reduces, compression
Machine returns the phenomenons such as liquid, is unfavorable for the properly functioning of air-conditioning, in this case it is necessary to heat exchanger is carried out defrosting to ensure sky
Adjusting heating effect and the reliability of operation of unit, therefore, whether frosting is to ensure air-conditioning to the heat exchanger of any detection air-conditioning
The key of unit reliability service.
Prior art generally uses temperature and the side of outdoor temperature of detection air conditioner outdoor unit heat exchanging somewhere pipeline
Method judges whether to need defrost, or makes air-conditioning timing automatic entrance defrost state by setting interval, these
Method the most easily occurs that heat exchanger carries out defrost or the situation having the thickest frost just to carry out defrost in the case of frostless, and,
Lacking cold-producing medium, temperature-sensitive bag there will be frostless defrost by mistake in the case of breaking down or have the situation of white not defrost, impact is empty
Adjust the heating effect of unit.
For in correlation technique cannot the heat exchanger of accurate measurements air-conditioning the need of the problem of defrost, the most not yet carry
Go out effective solution.
Summary of the invention
Present invention is primarily targeted at a kind of air-conditioning of offer and defrosting method thereof and device, to solve nothing in correlation technique
The heat exchanger of method accurate measurements air-conditioning is the need of the problem of defrost.
To achieve these goals, according to an aspect of the invention, it is provided a kind of air-conditioning defrosting method.The method bag
Include: gather the image of the heat exchanger of air-conditioning；Judge that heat exchanger is the need of defrost according to image；And if it is judged that heat
Exchanger needs defrost, controls air-conditioning and enters defrost pattern.
Further, the image of the heat exchanger gathering air-conditioning includes: the video of the heat exchanger of shooting air-conditioning；And root
Image according to the heat exchanger of video acquisition air-conditioning.
Further, judge that heat exchanger includes the need of defrost according to image: the content recognition of display from image
Go out the frosting degree of heat exchanger；And judge that heat exchanger is the need of defrost according to the frosting degree of heat exchanger.
Further, judge that heat exchanger includes the need of defrost according to the frosting degree of heat exchanger: judge that heat is handed over
Whether the frosting degree of parallel operation reaches predetermined threshold value；If it is judged that the frosting degree of heat exchanger reaches predetermined threshold value, detection
Ambient temperature residing for heat exchanger also controls timer and starts timing；And during according to the ambient temperature detected and timing
Between, it is judged that heat exchanger is the need of defrost.
Further, according to the ambient temperature detected and timing time, it is judged that heat exchanger includes the need of defrost:
Within judging whether ambient temperature is in preset temperature range, and whether timing time exceedes Preset Time, wherein, if environment
Within temperature is in preset temperature range, and timing time exceedes Preset Time, determines that heat exchanger needs defrost.
Further, according to the ambient temperature detected and timing time, it is judged that heat exchanger includes the need of defrost:
Determine the temperature range residing for ambient temperature；Preset Time is determined according to the temperature range residing for ambient temperature；And judge meter
Time the time whether reach Preset Time, wherein, if it is judged that timing time reaches Preset Time, determine heat exchanger needs
Frost.
Further, judge that heat exchanger includes the need of defrost according to the frosting degree of heat exchanger: judge that heat is handed over
Whether the frosting degree of parallel operation reaches predetermined threshold value；If it is judged that the frosting degree of heat exchanger reaches predetermined threshold value, detection
Ambient temperature residing for heat exchanger；And judge that heat exchanger is the need of defrost according to the ambient temperature detected.
Further, judge that heat exchanger includes the need of defrost according to the frosting degree of heat exchanger: judge that heat is handed over
Whether the frosting degree of parallel operation reaches predetermined threshold value；If it is judged that the frosting degree of heat exchanger reaches predetermined threshold value, control
Timer starts timing；And judge that heat exchanger is the need of defrost according to timing time.
Further, before gathering the image of heat exchanger of air-conditioning, the method also includes: judge whether air-conditioning is opened
Heating mode, wherein, if it is judged that heating mode opened by air-conditioning, gathers the image of the heat exchanger of air-conditioning.
Further, after controlling air-conditioning and entering defrost pattern, the method also includes: gather the heat exchanger of air-conditioning
Image；Judge that heat exchanger is the need of stopping defrost according to image；And if it is judged that heat exchanger needs to stop defrost,
Control air-conditioning and exit defrost pattern.
Further, after controlling air-conditioning and exiting defrost pattern, the method also includes: controls air-conditioning and enters default mould
Formula, wherein, preset mode is the pattern that air-conditioning is residing before entering defrost pattern.
Further, the image that image is the condenser fin gathering air-conditioning of the heat exchanger of air-conditioning is gathered.
Further, before gathering the image of heat exchanger of air-conditioning, the method also includes: judge whether to need to gather
The night vision image of the heat exchanger of air-conditioning, wherein, night vision image is the image collected by night vision technology, wherein, if sentenced
Break and the night vision image needing to gather the heat exchanger of air-conditioning, gather the night vision image of the heat exchanger of air-conditioning.
Further, control air-conditioning entrance defrost pattern at least one of to comprise the following steps: control air-conditioning entrance and heat mould
Formula；The blower fan of the off-premises station controlling air-conditioning is out of service；And the fan operation of the indoor set of control air-conditioning is in preset gear.
To achieve these goals, according to an aspect of the invention, it is provided a kind of air-conditioning defrosting control device.This dress
Put and include: receive unit, for receiving the image of the heat exchanger of air-conditioning；Judging unit, for judging heat exchange according to image
Device is the need of defrost；And control unit, for if it is judged that heat exchanger needs defrost, control air-conditioning and enter defrost mould
Formula.
To achieve these goals, according to an aspect of the invention, it is provided a kind of air-conditioning.This air-conditioning includes the present invention
The air-conditioning defrosting control device provided, also includes: monitor, and the heat exchanger interval predeterminable range of air-conditioning is arranged, and is used for adopting
The image of the heat exchanger of collection air-conditioning.
The present invention by gathering the image of heat exchanger of air-conditioning, according to image judge heat exchanger the need of defrost,
If it is judged that heat exchanger needs defrost, controlling air-conditioning and enter defrost pattern, solving cannot accurate measurements in correlation technique
The heat exchanger of air-conditioning the need of the problem of defrost, and then reached the heat exchanger monitoring air-conditioning more accurately the need of
The effect of defrost.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, and the present invention's is schematic real
Execute example and illustrate for explaining the present invention, being not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the flow chart of air-conditioning defrosting method according to a first embodiment of the present invention；
Fig. 2 is the flow chart of air-conditioning defrosting method according to a second embodiment of the present invention；
Fig. 3 is the schematic diagram of air-conditioning defrosting control device according to embodiments of the present invention；And
Fig. 4 is the schematic diagram of air-conditioning according to embodiments of the present invention.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Combination mutually.Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In order to make those skilled in the art be more fully understood that the application scheme, below in conjunction with in the embodiment of the present application
Accompanying drawing, is clearly and completely described the technical scheme in the embodiment of the present application, it is clear that described embodiment is only
The embodiment of the application part rather than whole embodiments.Based on the embodiment in the application, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, all should belong to the model of the application protection
Enclose.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " it is etc. for distinguishing similar object, without being used for describing specific order or precedence.Should be appreciated that so use
Data can exchange in the appropriate case, in order to embodiments herein described herein.Additionally, term " includes " and " tool
Have " and their any deformation, it is intended that cover non-exclusive comprising, such as, contain series of steps or unit
Process, method, system, product or equipment are not necessarily limited to those steps or the unit clearly listed, but can include the most clear
That list to Chu or for intrinsic other step of these processes, method, product or equipment or unit.
The embodiment provides a kind of air-conditioning defrosting method.
Fig. 1 is the flow chart of air-conditioning defrosting method according to a first embodiment of the present invention.As it is shown in figure 1, the method includes
Following steps:
Step S101, gathers the image of the heat exchanger of air-conditioning.
The heat exchanger of air-conditioning can include condenser, vaporizer etc..Heat exchanger is that hot and cold two kinds of media carry out heat
The equipment of exchange, therefore surface easily produces solidifying frost, if the frost of heat-exchanger surface is thicker, can affect the effect of heat exchange
Rate, causes air-conditioning cannot heat refrigeration.
The image of the heat exchanger gathering air-conditioning is to monitor whether heat-exchanger surface has solidifying frost.Heat friendship to air-conditioning
Parallel operation carries out image acquisition, can be the real-time pictures by equipment shooting heat exchangers such as monitors, it is alternatively possible to shooting
Continuous print video, by video acquisition frame of video to obtain image, it is also possible at predetermined time intervals or use other time
Setting means is at the image of predetermined time shooting heat exchanger.
Carry out image by photographic head and be acquired collecting a portion of object, therefore, gather heat exchange
The image of device can be that the predetermined patterns to heat exchanger shoots, and can be the image gathering internal heat exchanger, it is possible to
To be that heat exchanger is shot by certain direction or the multiple directions of outside from heat exchanger, specifically, can be according to heat
The concrete condition at exchanger easy frosting position is configured obtaining the image of predetermined patterns.In the image collected, heat
Exchanger is likely to be at the arbitrary process of frosting, including whole frostings or all non-frostings.
According to image, step S102, judges that heat exchanger is the need of defrost.
After gathering the image of heat exchanger of air-conditioning, image can be analyzed, judge heat exchange according to image
Device is the need of defrost.Can judge that the frost of heat-exchanger surface is the most blocked up or the whole frosting in surface by image.
Judge that heat exchanger can be to be performed by the controller of air-conditioning the need of defrost according to image, pass through video
The frosting situation of watch-dog monitoring heat exchanger of outdoor unit feeds back to the controller of air-conditioner, and controller is supervised by video
The information that control device monitoring heat exchanger feeds back to calculates, it may be judged whether need defrost.
The embodiment of the present invention is not intended to concrete heat exchanger needs the condition of defrost, can arrange not according to practical situation
Same defrost condition.For example, it is possible to arrange the surface of heat exchanger after whole frostings, judge after timing to Preset Time
Go out to need defrost, it is also possible to be to judge that heat exchanger is immediately required to after judge the whole frosting of heat exchanger according to image
Defrost.
The method judging the degree of heat exchanger whether frosting and frosting according to image can be by existing image
Algorithm is analyzed calculating, for example, it is possible to the picture of heat exchanger difference frosting degree is stored as reference picture, and will
The image of the heat exchanger collected is compared with reference picture, calculates, by image algorithm, the frosting journey that heat exchanger is current
Degree.
Step S103, if it is judged that heat exchanger needs defrost, controls air-conditioning and enters defrost pattern.
After judging that heat exchanger is the need of defrost according to image, if it is judged that heat exchanger needs defrost, control
Air-conditioning processed enters defrost pattern.Air-conditioning has defrost pattern, and under defrost pattern, air-conditioning can use multiple method to heat exchanger
Carry out defrost.Such as, heating mode opened by air-conditioning, and exchanged by the cold and hot change of direction of heat exchanger, that is, to heat exchanger
Heat, the frosting of heat-exchanger surface can be eliminated.
The controller of air-conditioning, after judging that heat exchanger needs defrost, can send the instruction of defrost.
The air-conditioning defrosting method that this embodiment provides, by gathering the image of the heat exchanger of air-conditioning, judges according to image
Heat exchanger is the need of defrost, if it is judged that heat exchanger needs defrost, controls air-conditioning and enters defrost pattern, solve phase
In the technology of pass cannot the heat exchanger of accurate measurements air-conditioning the need of the problem of defrost, and then reached to monitor more accurately sky
The heat exchanger adjusted the need of the effect of defrost, can accurately, timely condenser to air-conditioning carry out defrost, improve air-conditioning
The heating effect of unit and reliability.
Preferably, the image of the heat exchanger gathering air-conditioning can perform in the way of by shooting video.Can lead to
Cross the video of the heat exchanger of the photographic head shooting air-conditioning of monitor, according to the image of the heat exchanger of video acquisition air-conditioning.
Video is play continuously by several still images and is formed, and therefore, it can by video acquisition heat exchanger is quiet
State image.Several still images can be shot owing to monitor is per second, in order to avoid the data volume processed is relatively big, can be by setting
Putting set time section, the mode at interval of set time section one still image of intercepting obtains heat exchanger of air condition in video
Image.
As a kind of preferred embodiment of above-described embodiment, when judging heat exchanger the need of defrost according to image,
Can be the frosting degree that the content recognition of display goes out heat exchanger from image, then further according to the frosting degree of heat exchanger
Judge that heat exchanger is the need of defrost.
From image display content recognition go out heat exchanger frosting degree can by be by image procossing in the way of divide
Whether the analysis current frosting degree of heat exchanger arrives predetermined threshold value, for example, the color at heat exchanger frosting position with not
The color at frosting position is different, can be by the frosting position in chromatic zones partial image and non-frosting position, to calculate in image
The area at heat exchanger frosting position accounts for the percentage ratio of heat exchange area.
Frosting degree according to heat exchanger judges that heat exchanger may is that judgement heat the need of the concrete grammar of defrost
Whether the frosting degree of exchanger reaches predetermined threshold value, if it is judged that the frosting degree of heat exchanger reaches predetermined threshold value, and control
Air-conditioning processed enters defrost pattern.
Alternatively, frosting degree can be represented by the form of percentage ratio, is the percentage ratio of heat-exchanger surface frosting, as
Really predetermined threshold value is set to 80%, and judges that the frosting degree of heat exchanger reaches 80% by image, then judge heat friendship
The frosting degree of parallel operation reaches predetermined threshold value.
Such as, if it is judged that the whole frosting in the surface of heat exchanger of air condition, then judge that heat exchanger needs defrost.Can
Selection of land, it is judged that heat exchanger need the condition of defrost can also include judging air-conditioning be whether shut down after again after start first
Secondary whole frosting, if air-conditioning start shooting the most again after first time whole frosting, then control immediately entering of air-conditioning
Frost pattern, the first time whole frosting after starting shooting the most again if not air-conditioning, then timing arrive a period of time it
Rear control air-conditioning enters defrost pattern.
Alternatively, after whether the frosting degree judging heat exchanger reaches predetermined threshold value, if it is judged that heat exchange
The frosting degree of device reaches predetermined threshold value, can detect the ambient temperature residing for heat exchanger, according to the ambient temperature detected
Judge that heat exchanger is the need of defrost.Judge that heat exchanger can be to sentence the need of defrost according to the ambient temperature detected
Within whether disconnected ambient temperature is in preset temperature range, if within ambient temperature is in preset temperature range, determine heat friendship
Parallel operation needs defrost.Such as, if be detected that ambient temperature is less than-10 DEG C, it is judged that heat exchanger needs defrost.
Alternatively, after whether the frosting degree judging heat exchanger reaches predetermined threshold value, if it is judged that heat exchange
The frosting degree of device reaches predetermined threshold value, it is also possible to controls timer and starts timing, judges that heat exchanger is according to timing time
No need defrost.Judge that heat exchanger can be to judge whether timing time reaches default the need of defrost according to timing time
Duration, if timing time reaches preset duration, determines that heat exchanger needs defrost.Such as, if timing time reaches 5 points
Clock, it is judged that heat exchanger needs defrost, controls air-conditioning and enters defrost pattern.
Alternatively, after whether the frosting degree judging heat exchanger reaches predetermined threshold value, if it is judged that heat exchange
The frosting degree of device reaches predetermined threshold value, it is also possible to detection ambient temperature residing for heat exchanger also controls timer and starts meter
Time, according to the ambient temperature detected and timing time, it is judged that heat exchanger is the need of defrost.
Specifically, judge that heat exchanger can be to sentence the need of defrost according to the ambient temperature detected and timing time
Within whether disconnected ambient temperature is in preset temperature range, and whether timing time exceedes Preset Time, wherein, if environment temperature
Within degree is in preset temperature range, and timing time exceedes Preset Time, determines that heat exchanger needs defrost.
Such as, when the temperature of heat exchanger local environment is more than or equal to 10 DEG C, and when timing time exceedes preset time T 1,
Determine that heat exchanger needs defrost；When the temperature of heat exchanger local environment is more than or equal to 0 DEG C and less than 10 DEG C, and timing time
When exceeding preset time T 2, determine that heat exchanger needs defrost；When the temperature of heat exchanger local environment more than or equal to-10 DEG C and
Less than 0 DEG C, and when timing time exceedes preset time T 3, determine that heat exchanger needs defrost；When heat exchanger local environment
Temperature is more than or equal to-20 DEG C and less than-10 DEG C, and when timing time exceedes preset time T 4, determines that heat exchanger needs defrost.
Above-mentioned timing time can be to control timer the operation time of air-conditioning is performed timing, if air-conditioning is not in fortune
Row state, then stop timing.When air-conditioning reruns, can pre-set is to select reclocking or continue timing.
Or, alternatively, judge that heat exchanger is the need of defrost also according to the ambient temperature detected and timing time
Can be to pre-set multiple temperature range, determine for judging heat friendship according to the temperature range residing for the ambient temperature detected
Parallel operation is the need of the Preset Time of defrost.Heat exchanger is generally in outdoor, as such, it can be that set according to outdoor environment temperature
Put the value of Preset Time.After determining Preset Time, monitoring timing time arrives Preset Time and then determines that heat exchanger needs
Want defrost, that is, Preset Time can be respectively provided with according to the temperature difference of heat exchanger local environment.
Such as, when the temperature of heat exchanger local environment is more than or equal to 10 DEG C, Preset Time is set to T1；Work as heat exchange
When the temperature of device local environment is more than or equal to 0 DEG C and less than 10 DEG C, Preset Time is set to T2；When heat exchanger local environment
When temperature is more than or equal to-10 DEG C and less than 0 DEG C, Preset Time is set to T3；When the temperature of heat exchanger local environment is more than
In-20 DEG C and less than-10 DEG C time, Preset Time is set to T4.After Preset Time is set, it can be determined that during the operation of air-conditioning
Between whether exceed Preset Time.When judging that timing time exceedes Preset Time, determine that heat exchanger needs defrost.
Preferably, before gathering the image of heat exchanger of air-conditioning, can first judge whether air-conditioning opens heating mode,
If it is judged that heating mode opened by air-conditioning, gather the image of the heat exchanger of air-conditioning.The energy can be saved in this way,
Without still gathering the image of heat exchanger air-conditioning is not turned on heating mode when.
Preferably, the image of the heat exchanger gathering air-conditioning can be the image of the condenser fin gathering air-conditioning.Judge
The condenser fin of air-conditioning is the need of defrost.
Night when, it is also possible to gathered the image of the heat exchanger of air-conditioning by night vision technology.Gathering air-conditioning
Before the image of heat exchanger, it may be judged whether need to gather the night vision image of the heat exchanger of air-conditioning, it is alternatively possible to by obtaining
Taking the local time judged whether to night, it is also possible to judge that current brightness is the need of passing through night vision technology by sensor devices
Gather image.After judging the night vision image needing to gather the heat exchanger of air-conditioning, gather the night of the heat exchanger of air-conditioning
Visible image, wherein, night vision image is the image collected by night vision technology.
As a kind of preferred embodiment of above-described embodiment, control air-conditioning entrance defrost pattern and at least comprise the following steps it
One: control air-conditioning and enter heating mode；The blower fan of the off-premises station controlling air-conditioning is out of service；And control the indoor set of air-conditioning
Fan operation is in preset gear.
After controlling air-conditioning and entering defrost pattern, it is also possible to as judging that heat exchanger is the need of stopping defrost.Still
Gather the image of the heat exchanger of air-conditioning, judge that heat exchanger, the need of stopping defrost, is handed over if it is judged that hot according to image
Parallel operation needs to stop defrost, controls air-conditioning and exits defrost pattern.Specifically, can be sent by the controller of air-conditioning and exit defrost
Instruction.
After controlling air-conditioning and exiting defrost pattern, controlling air-conditioning and enter preset mode, wherein, preset mode is that air-conditioning exists
Pattern residing before entering defrost pattern.
Fig. 2 is the flow chart of air-conditioning defrosting method according to a second embodiment of the present invention.This embodiment can be as above-mentioned
The preferred implementation of first embodiment, as in figure 2 it is shown, the method comprises the following steps:
Step S201, under heating mode, opens video monitor and is monitored.
Air-conditioning, being under heating mode when, is opened video monitor and is monitored the condenser of air-conditioning.Video
Watch-dog can be arranged on the vicinity of condenser, the video of captured in real-time air-conditioning condenser.
Step S202, condenser whether all frosting and reach the operation time.
Video according to monitoring judges condenser the most all frostings.Specifically, can be according to video acquisition condenser
Still image, judges condenser the most all frostings according to image.Can perform once to judge, during interval at interval of the set time
Between the shortest time, such as, 1 second can be set.
If it is judged that not all frostings, return step S201, continue through video monitor and condenser is monitored.
If it is judged that all frostings, start the execution timing of the operation time to air-conditioning.
If air-conditioning is out of service, stop timing, do not perform operation；Or return step S201, if that is, air-conditioning
The most then open video monitor.
If air-conditioning is the most out of service and the time of timing reaches default operation time, then to perform step S203.
Step S203, air-conditioning enters defrost pattern.
Air-conditioning enters defrost pattern, in several ways condenser can be carried out defrost.
Step S204, condenser does not the most all have frost.
After air-conditioning enters defrost pattern, the video shot by video monitor judges that condenser does not the most all have
Frost.If there being frost, then air-conditioning is still within defrost pattern.
Step S205, exits defrost (entrance heating mode).
If condenser does not all have frost, exit defrost pattern.After exiting defrost pattern, enter heating mode, namely
The pattern that air-conditioning is residing before entering defrost pattern.
It should be noted that can be at such as one group of computer executable instructions in the step shown in the flow chart of accompanying drawing
Computer system performs, and, although show logical order in flow charts, but in some cases, can be with not
It is same as the step shown or described by order execution herein.
Embodiments of the invention additionally provide a kind of air-conditioning defrosting device.It should be noted that the sky of the embodiment of the present invention
Defrosting device is adjusted to may be used for performing the air-conditioning defrosting method of the present invention.
Fig. 3 is the schematic diagram of air-conditioning defrosting control device according to embodiments of the present invention.As it is shown on figure 3, this device includes
Receive unit 10, it is judged that unit 20 and control unit 30.
Receive unit 10 for receiving the image of the heat exchanger of air-conditioning；According to image, judging unit 20 is for judging that heat is handed over
Parallel operation is the need of defrost；Control unit 30, for if it is judged that heat exchanger needs defrost, controls air-conditioning and enters defrost mould
Formula.
The air-conditioning defrosting device that this embodiment provides, by receiving the image that unit 10 receives the heat exchanger of air-conditioning；Sentence
According to image, disconnected unit 20 judges that heat exchanger is the need of defrost；Control unit 30 judge heat exchanger need defrost it
Rear control air-conditioning enters defrost pattern, solve in correlation technique cannot the heat exchanger of accurate measurements air-conditioning the need of defrost
Problem, and then reached the heat exchanger the monitoring air-conditioning more accurately effect the need of defrost.
Preferably, receive unit 10 and include: receiver module, for receiving the video of the heat exchanger of air-conditioning；And obtain
Module, for the image of the heat exchanger according to video acquisition air-conditioning.
Preferably, it is judged that unit 20 comprises determining that module, for determining the frosting degree of heat exchanger according to image；With
And judge module, for judging that heat exchanger is the need of defrost according to the frosting degree of heat exchanger.
Preferably, determine that module includes judging submodule, timing submodule and control submodule.Judge submodule, be used for
Judge whether the frosting degree of heat exchanger reaches predetermined threshold value；Timing submodule, for if it is judged that the knot of heat exchanger
Frost degree reaches predetermined threshold value, and the operation time of air-conditioning is performed timing；Wherein, it is judged that submodule is additionally operable to judge the fortune of air-conditioning
Whether the row time exceedes Preset Time；Control submodule for if it is judged that the operation time of air-conditioning exceedes Preset Time, controlling
Air-conditioning processed enters defrost pattern.
Preferably, this device also includes: detector unit, the temperature of detection heat exchanger local environment；And determine unit,
For determining Preset Time according to the temperature of heat exchanger local environment.
Preferably, it is judged that unit 20 is additionally operable to judge whether air-conditioning opens heating mode, wherein, if it is judged that air-conditioning is opened
Open heating mode, receive the image that unit 10 receives the heat exchanger of air-conditioning.
Preferably, it is judged that unit 20 be additionally operable to according to receive the image that receives of unit 10 judge heat exchanger the need of
Stop defrost；If it is judged that heat exchanger needs to stop defrost, control unit 30 controls air-conditioning and exits defrost pattern.
Preferably, control unit 30 is additionally operable to control air-conditioning and enters preset mode, and wherein, preset mode is that air-conditioning is entering
Pattern residing before defrost pattern.
Preferably, the figure of the condenser fin that image is air-conditioning of the heat exchanger of the air-conditioning that unit 10 receives is received
Picture.
Preferably, it is judged that unit 20 is additionally operable to judge whether the night vision image needing to gather the heat exchanger of air-conditioning, wherein,
Night vision image is the image collected by night vision technology, wherein, if it is judged that need to gather the night of the heat exchanger of air-conditioning
Visible image, receives the night vision image that unit 10 receives the heat exchanger of air-conditioning.
Preferably, control unit at least includes with one of lower module: the first control module, is used for controlling air-conditioning entrance and heats
Pattern；Second control module, the blower fan of the off-premises station for controlling air-conditioning is out of service；And the 3rd control module, it is used for controlling
The fan operation of the indoor set of air-conditioning processed is in preset gear.
Embodiments of the invention additionally provide a kind of air-conditioning.It should be noted that the air-conditioning of the embodiment of the present invention can wrap
Include the air-conditioning defrosting control device that the present invention provides.
Fig. 4 is the schematic diagram of air-conditioning according to embodiments of the present invention.As shown in Figure 4, this air-conditioning includes monitor 40 and sky
Adjust defrosting control device 100.
Monitor 40 can and the heat exchanger interval predeterminable range of air-conditioning arrange, for gathering the heat exchanger of air-conditioning
Image.
Monitor 40 can be connected with air-conditioning defrosting control device 100, adopts to provide to air-conditioning defrosting control device 100
The image of the heat exchanger that collection obtains.
Air-conditioning defrosting control device 100 includes receiving unit, it is judged that unit and control unit.Receive unit to be used for receiving sky
The image of the heat exchanger adjusted；According to image, judging unit is for judging that heat exchanger is the need of defrost；Control unit is used for
If it is judged that heat exchanger needs defrost, control air-conditioning and enter defrost pattern.
Preferably, monitor 40 can be arranged on support for outdoor unit of air-conditioner.
Preferably, monitor can include night vision cam.
Obviously, those skilled in the art should be understood that each module of the above-mentioned present invention or each step can be with general
Calculating device realize, they can concentrate on single calculating device, or be distributed in multiple calculating device and formed
Network on, alternatively, they can with calculate the executable program code of device realize, it is thus possible to by they store
Performed by calculating device in the storage device, or they are fabricated to respectively each integrated circuit modules, or by them
In multiple modules or step be fabricated to single integrated circuit module and realize.So, the present invention be not restricted to any specifically
Hardware and software combines.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (16)
1. an air-conditioning defrosting method, it is characterised in that including:
Gather the image of the heat exchanger of air-conditioning；
Judge that described heat exchanger is the need of defrost according to described image；And
If it is judged that described heat exchanger needs defrost, control described air-conditioning and enter defrost pattern.
Method the most according to claim 1, it is characterised in that the image of the heat exchanger gathering air-conditioning includes:
Shoot the video of the heat exchanger of described air-conditioning；And
The image of the heat exchanger according to air-conditioning described in described video acquisition.
Method the most according to claim 1, it is characterised in that according to described image judge described heat exchanger the need of
Defrost includes:
From described image, the content recognition of display goes out the frosting degree of described heat exchanger；And
Frosting degree according to described heat exchanger judges that described heat exchanger is the need of defrost.
Method the most according to claim 3, it is characterised in that judge described heat according to the frosting degree of described heat exchanger
Exchanger includes the need of defrost:
Judge whether the frosting degree of described heat exchanger reaches predetermined threshold value；
If it is judged that the frosting degree of described heat exchanger reaches described predetermined threshold value, detect the ring residing for described heat exchanger
Border temperature also controls timer and starts timing；And
According to the described ambient temperature detected and timing time, it is judged that described heat exchanger is the need of defrost.
Method the most according to claim 4, it is characterised in that according to the described ambient temperature detected and timing time,
Judge that described heat exchanger includes the need of defrost:
Within judging whether described ambient temperature is in preset temperature range, and whether described timing time exceedes Preset Time,
Wherein, if within described ambient temperature is in described preset temperature range, and described timing time exceedes described presetting
Time, determine that described heat exchanger needs defrost.
Method the most according to claim 4, it is characterised in that according to the described ambient temperature detected and timing time,
Judge that described heat exchanger includes the need of defrost:
Determine the temperature range residing for described ambient temperature；
Preset Time is determined according to the temperature range residing for described ambient temperature；And
Judge whether described timing time reaches described Preset Time,
Wherein, if it is judged that described timing time reaches described Preset Time, determine that described heat exchanger needs defrost.
Method the most according to claim 3, it is characterised in that judge described heat according to the frosting degree of described heat exchanger
Exchanger includes the need of defrost:
Judge whether the frosting degree of described heat exchanger reaches predetermined threshold value；
If it is judged that the frosting degree of described heat exchanger reaches described predetermined threshold value, detect the ring residing for described heat exchanger
Border temperature；And
Judge that described heat exchanger is the need of defrost according to the described ambient temperature detected.
Method the most according to claim 3, it is characterised in that judge described heat according to the frosting degree of described heat exchanger
Exchanger includes the need of defrost:
Judge whether the frosting degree of described heat exchanger reaches predetermined threshold value；
If it is judged that the frosting degree of described heat exchanger reaches described predetermined threshold value, control timer and start timing；And
Judge that described heat exchanger is the need of defrost according to timing time.
Method the most according to claim 1, it is characterised in that before gathering the image of heat exchanger of air-conditioning, described
Method also includes:
Judge whether described air-conditioning opens heating mode,
Wherein, if it is judged that described heating mode opened by described air-conditioning, the image of the heat exchanger of air-conditioning is gathered.
Method the most according to claim 1, it is characterised in that after controlling described air-conditioning and entering defrost pattern, described
Method also includes:
Gather the image of the heat exchanger of air-conditioning；
Judge that described heat exchanger is the need of stopping defrost according to described image；And
If it is judged that described heat exchanger needs to stop defrost, control described air-conditioning and exit described defrost pattern.
11. methods according to claim 10, it is characterised in that control described air-conditioning exit described defrost pattern it
After, described method also includes:
Control described air-conditioning and enter preset mode, wherein, described preset mode be described air-conditioning enter described defrost pattern it
Pattern residing for before.
12. methods according to claim 1, it is characterised in that the image of the heat exchanger gathering air-conditioning is described for gathering
The image of the condenser fin of air-conditioning.
13. methods according to claim 1, it is characterised in that before gathering the image of heat exchanger of air-conditioning, described
Method also includes:
Judging whether the night vision image needing to gather the heat exchanger of described air-conditioning, wherein, described night vision image is for passing through night vision
The image that technology collects,
Wherein, if it is judged that need to gather the night vision image of the heat exchanger of described air-conditioning, the heat exchange of described air-conditioning is gathered
The night vision image of device.
14. methods according to claim 1, it is characterised in that control described air-conditioning enter defrost pattern at least include with
One of lower step:
Control described air-conditioning and enter heating mode；
The blower fan of the off-premises station controlling described air-conditioning is out of service；And
Control the fan operation of indoor set of described air-conditioning in preset gear.
15. 1 kinds of air-conditioning defrosting control devices, it is characterised in that including:
Receive unit, for receiving the image of the heat exchanger of air-conditioning；
According to described image, judging unit, for judging that described heat exchanger is the need of defrost；And
Control unit, for if it is judged that described heat exchanger needs defrost, controls described air-conditioning and enters defrost pattern.
16. 1 kinds of air-conditionings, including air-conditioning defrosting control device as claimed in claim 15, it is characterised in that also include:
Monitor, and the heat exchanger interval predeterminable range setting of air-conditioning, for gathering the image of the heat exchanger of described air-conditioning.
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| CN201610639103.1A CN106288158A (en) | 2016-08-05 | 2016-08-05 | Air-conditioning and defrosting method thereof and device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610639103.1A CN106288158A (en) | 2016-08-05 | 2016-08-05 | Air-conditioning and defrosting method thereof and device |
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| CN106766019A (en) * | 2017-03-17 | 2017-05-31 | 珠海格力电器股份有限公司 | Air-conditioning defrosting control system and air-conditioning defrosting control method |
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| CN107818560A (en) * | 2017-09-27 | 2018-03-20 | 珠海格力电器股份有限公司 | A kind for the treatment of method and apparatus of clarifier |
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| CN109469962A (en) * | 2018-10-29 | 2019-03-15 | 珠海格力电器股份有限公司 | A kind of air-conditioning defrosting method, device and storage medium |
| CN110107986A (en) * | 2019-05-09 | 2019-08-09 | 珠海格力电器股份有限公司 | Defrosting control method, device, system and the air-conditioning of temperature control equipment |
| CN110107986B (en) * | 2019-05-09 | 2020-02-28 | 珠海格力电器股份有限公司 | Defrosting control method, device and system of temperature adjusting equipment and air conditioner |
| CN110715401A (en) * | 2019-08-29 | 2020-01-21 | 珠海格力电器股份有限公司 | Defrosting control method and device for air conditioning equipment, medium and air conditioning equipment |
| CN111426137A (en) * | 2020-04-20 | 2020-07-17 | 珠海格力电器股份有限公司 | Defrosting control method and device and freezing/refrigerating equipment |
| CN111964213A (en) * | 2020-08-21 | 2020-11-20 | 宁波奥克斯电气股份有限公司 | Defrosting cycle control method and device, electronic equipment and storage medium |
| CN112944596A (en) * | 2021-03-03 | 2021-06-11 | 青岛海尔空调器有限总公司 | Control method and device for defrosting of air conditioner and air conditioner |
| CN114137026A (en) * | 2021-10-29 | 2022-03-04 | 广西电网有限责任公司柳州供电局 | SF (sulfur hexafluoride)6Gas humidity online testing device, method and system |
| CN114608145A (en) * | 2022-02-24 | 2022-06-10 | 青岛海尔空调器有限总公司 | Control method and control device for air conditioner, air conditioner and storage medium |
| CN114608145B (en) * | 2022-02-24 | 2024-02-20 | 青岛海尔空调器有限总公司 | Control method and control device for air conditioner, air conditioner and storage medium |
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