CN103234261B - The method and system of air conditioner dedusting - Google Patents
The method and system of air conditioner dedusting Download PDFInfo
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- CN103234261B CN103234261B CN201310156928.4A CN201310156928A CN103234261B CN 103234261 B CN103234261 B CN 103234261B CN 201310156928 A CN201310156928 A CN 201310156928A CN 103234261 B CN103234261 B CN 103234261B
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Abstract
The present invention relates to the automatic control technology of air-conditioning, relate to a kind of method and system of air conditioner dedusting specifically.The method of air conditioner dedusting of the present invention, key step is: the picture obtaining A/C evaporator, judges the status of accumulating nutrient of dust on evaporimeter according to the content of picture and judge whether to need dedusting; If desired dedusting, then start dedusting control unit, and the blower fan controlling off-premises station operates, and adopts the water produced in operation of air conditioner process to carry out dedusting, on described dedusting control unit machine disposed in the outdoor or indoor set.Beneficial effect of the present invention is, the dust regularly automatically removing air-conditioner outdoor unit in time can be realized, also can by this dust removing units and remote controller be combined in operation of air conditioner some cycles after, remind consumer to remove the dust of indoor set, thus reach energy-conservation object.The present invention is particularly useful for air-conditioning.
Description
Technical field
The present invention relates to the automatic control technology of air-conditioning, relate to a kind of method and system of air conditioner dedusting specifically.
Background technology
Air-conditioning has become a part for people's life as refrigeration or heating equipment, improve the comfortableness of people's life, but the operation of air-conditioning needs to expend more electric energy.The cycle of the operation of air-conditioning is also longer, and it is no problem for generally running 10 years.Along with the prolongation of air-conditioner operation time, its off-premises station can accumulate thicker dust, and especially under the condition that outdoor environment is severe, the speed of its accumulation dust can be faster.Because air-conditioner outdoor unit have accumulated dust, its ventilation effect and heat-transfer effect will be deteriorated, if also need to reach former refrigeration or heating capacity, will certainly consume more electric energy, cause larger waste.In order to remove the dust on air-conditioner outdoor unit, existing technology adopts washing or pressure-air to remove the dust piled up on the heat exchanger, compares labor intensive like this, if off-premises station is in high-altitude, the difficulty of operation will be increased like this, there will be the cleaning being difficult to expect dangerous.Remove air-conditioner outdoor unit in prior art and pile up the method for dust, Samsung carries out certain improvement, and adopt the method for off-premises station motor reversal to make a return journey old dust, the number of patent application of this technical scheme is 200710153035.1.Generally, what air-conditioner outdoor unit adopted is aerofoil fan, and flabellum has certain rotation direction, if may to reduction fan life when adopting larger torque to be reversed by fan, its dust removing effects neither be fine.
In addition, air conditioner for both cooling and heating in the market, when heating, generally, operation of air conditioner certain cycle will defrost, and defrosting to be exactly melts in heat exchanger of outdoor unit fall, now, outdoor fan does not operate.Outdoor fan out-of-operation reason will increase the loss of heat when mainly considering fan running, extend time and the effect of defrosting.
Summary of the invention
This reality invention technical problem to be solved is exactly the problem for current air-conditioner dedusting, proposes a kind of method and system for air conditioner dedusting.
The present invention solves the problems of the technologies described above adopted technical scheme: the method for air conditioner dedusting, is characterized in that, comprising:
Obtain the picture of A/C evaporator, judge the status of accumulating nutrient of dust on evaporimeter according to the content of picture and judge whether to need dedusting;
If desired dedusting, then start dedusting control unit, and the blower fan controlling off-premises station operates, and adopts the water produced in operation of air conditioner process to carry out dedusting, on described dedusting control unit machine disposed in the outdoor or indoor set.
Concrete, the picture of described acquisition A/C evaporator is obtained by the image acquisition unit on machine disposed in the outdoor.
Concrete, described image acquisition unit is camera or camera, and obtain evaporimeter picture in fixing interval time in unit, described fixed interval unit can by user's sets itself.
Concrete, the blower fan of described control off-premises station operates, and is specially:
When air-conditioner defrosting, the blower fan controlling off-premises station slowly accelerates to from low speed and operates at a high speed, makes the water produced during defrosting wash away dedusting to evaporimeter; Or,
By pipeline the water of evaporator condensation collected and be discharged on off-premises station and carry out dedusting.
Concrete, also comprise:
To the cold air-conditioning of the list not possessing defrosting mode; dedusting control unit can the running of detection and control compressor and outdoor fan; be specially: control compressor shutdown; the blower fan of off-premises station starts running thus reduces the temperature in heat exchanger of outdoor unit; after there is water smoke; control blower fan antiport and progressively gather way, making the dust that water smoke flows on removing heat exchanger.
The system of air conditioner dedusting, is characterized in that, comprising:
Image acquisition unit, for obtaining the picture of air-conditioner outdoor unit in Fixed Time Interval, and is delivered to memory module by the picture of acquisition;
Memory module, for store for contrast off-premises station picture, and accept and store image acquisition unit transmission picture for data processing unit;
Data processing unit, for the picture collected stored in memory module and contrast picture being contrasted, judging whether to need dedusting, and sending control signals to dust removing units;
Dust removing units, for receiving the control signal of data processing unit, and controls the running of blower fan.
Concrete, described image acquisition unit is camera or camera.
Concrete, also comprising network connection unit, being connected for setting up network service by internet and external device, and the operational order of internet transmission can be accepted.
Concrete, described data processing module is single-chip microcomputer or data comparator.
Concrete, described memory cell is one or more in FLASH, USB flash disk, hard disk, RAM and ROM.
Beneficial effect of the present invention is, the dust regularly automatically removing air-conditioner outdoor unit in time can be realized, also can by this dust removing units and remote controller be combined in operation of air conditioner some cycles after, remind consumer to remove the dust of indoor set, thus reach energy-conservation object.
Accompanying drawing explanation
Fig. 1 is the logic diagram of air conditioner dust pelletizing system of the present invention; ,
Fig. 2 is the schematic flow sheet of the method for air conditioner dedusting of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the operation principle of invention is described further:
The method and system of the air conditioner dedusting that the present invention proposes, the method for employing, for only to need to increase a dust removing units and an image acquisition unit at air-conditioner, in certain time interval, controls air-conditioning draught fan running.This image acquisition unit has Image Acquisition and Logic judgment ability, and the image of picked-up can be stored, for judging the accumulated number of off-premises station or indoor set dust, especially should in the process of air-conditioner defrosting, the running from low speed to high speed step by step of blower fan outside control room, while defrosting, the water allowing frost produce washes away dust and removes dust.This dust removing units is mainly with removing the dust of air-conditioning and the module increased, and it can on machine disposed in the interior, can on machine disposed in the outdoor, also can be also that off-premises station combines together.If machine disposed in the interior, the water of this use evaporator condensation washes away dust in passing, is finally discharged from drainpipe by the sewage washed away.
As shown in Figure 1, the system of air conditioner dedusting of the present invention, comprising: image acquisition unit, for obtaining the picture of air-conditioner outdoor unit in Fixed Time Interval, and the picture of acquisition is delivered to memory module; Memory module, for store for contrast off-premises station picture, and accept and store image acquisition unit transmission picture for data processing unit; Data processing unit, for the picture collected stored in memory module and contrast picture being contrasted, judging whether to need dedusting, and sending control signals to dust removing units; Dust removing units, for receiving the control signal of data processing unit, and controls the running of blower fan.
Its cardinal principle is:
The image acquisition unit of air-conditioner, timing or not timing can obtain the picture of A/C evaporator, and by this picture-storage in air-conditioner or in the memory cell of air-conditioner, this picture can be the picture of standard, the i.e. state picture of air-conditioner before workshop dispatches from the factory, namely spotless picture, also can be after each dedusting completes, the picture that institute's image acquisition unit obtains, so that with reference to than than with, this memory being the similar equipment of FLASH, USB flash disk or hard disk, RAM, ROM etc. when being next dedusting.This picture can show, to inform that user needs to carry out dust removal operation,
Because air conditioner for both cooling and heating needs defrosting when heating, adopting increase dust removing units, when defrosting by controlling the running of outdoor fan of air-conditioner, just can remove than being easier to the dust that heat exchanger of outdoor unit is accumulated.
But single cold air-conditioning can not heat, and cannot adopt the method removing dust in defrost mode, but also also can be reached the object of dedusting by the dust removing units increased.This dust removing units has one and controls and measuring ability, can the running of detection and control compressor and the running of outdoor fan.For single cold air-conditioning; because cannot heat, compressor shutdown can be allowed in winter, allow blower fan operate; at this moment air-conditioning outdoor temperature is natively lower; after outdoor fan running certain hour, the temperature on outdoor heat converter will be lower, once low under dew-point temperature; just have one deck water smoke to occur; at this moment allow motor antiport, gather way step by step, the dust on outdoor heat converter will be removed.
The dedusting function that this dust arrester realizes, can increase a function key on existing air-conditioning remote control, consumer can carry out dedusting as required at any time.This dedusting function key increased at remote controller also can remind consumer, needs regularly to remove the dust of air-conditioner outdoor unit and the dust of indoor set, so that more energy-conservation using air-condition.
As shown in Figure 2, the method for air conditioner dedusting of the present invention, its main working process is:
When after starting of air conditioner, if air-conditioning work in a heating mode, when consumer needs dedusting, only need the dedusting function key pressed lightly on remote controller, now air-conditioning stops heating mode, start defrosting, controlled by the running of outdoor fan, dust and frozen water is allowed together to flow down along the fin of outdoor evaporator or outwards to move, and the picture taken by image unit and contrast images are contrasted, judge whether that dedusting is clean, if it is clean also not eliminate, then continue to repeat dedusting, automatically terminate again until dedusting is complete and exits dust removal process.So just automatically can complete the dedusting of off-premises station.
Be provided with the air-conditioning of dedusting function, after operation of air conditioner certain hour, as 1 year or half a year, or air-conditioning placed 1 year or the time of half a year does not use, and consumer just can be reminded to need air-conditioner outdoor unit and indoor set automatic dust removing.
First the dust removing units of air-conditioning detects that air-conditioning is normal operation or dedusting running, and judges, if run well just do not run dedusting function, if be judged as dedusting, just runs dedusting.
When after outdoor fan running certain hour, as 10 minutes, also can be that more grow or shorter a period of time, dust removing units carries out dedusting end operation, and terminate dedusting function, air-conditioning normally runs.
When air-conditioning enters dedusting pattern, first the dust removing units of air-conditioning detects air-conditioning the need of beginning dedusting running; Comparative result comparatively, and is outputted to dedusting control unit by the image ratio then image of the storage of memory cell and image acquisition unit obtained, and is operated by control unit drive motors; And outdoor fan step by step according to certain time interval from low speed to running up, until maximum wind velocity, and when maximum wind velocity maintain the regular hour; Finally, movement images, image is consistent with the image of memory cell and storage, just terminates dedusting.
For single cold air-conditioning, before dedusting starts, first allow compressor stop operating, outdoor fan normally runs the regular hour, cools a period of time to allowing off-premises station; And then reverse a period of time, just can realize reverse dedusting.
After adopting method of the present invention, even if the long operation of air-conditioner outdoor unit also can not accumulate more dust, the property retention of air-conditioning can be made to stablize, be unlikely to too much reduction.
Claims (8)
1. the method for air conditioner dedusting, is characterized in that, comprising:
Obtain the picture of A/C evaporator, judge the status of accumulating nutrient of dust on evaporimeter according to the content of picture and judge whether to need dedusting;
If desired dedusting, then start dedusting control unit, and the blower fan controlling off-premises station operates, and adopts the water produced in operation of air conditioner process to carry out dedusting, on described dedusting control unit machine disposed in the outdoor or indoor set,
The blower fan of described control off-premises station operates, and is specially:
When air-conditioner defrosting, the blower fan controlling off-premises station slowly accelerates to from low speed and operates at a high speed, makes the water produced during defrosting wash away dedusting to evaporimeter, or,
By pipeline the water of evaporator condensation collected and be discharged on off-premises station and carry out dedusting;
To the cold air-conditioning of the list not possessing defrosting mode; dedusting control unit can the running of detection and control compressor and outdoor fan; be specially: control compressor shutdown in winter; the blower fan of off-premises station starts running thus reduces the temperature in heat exchanger of outdoor unit; after there is water smoke; control blower fan antiport and progressively gather way, making the dust that water smoke flows on removing heat exchanger.
2. the method for air conditioner dedusting according to claim 1, is characterized in that, the picture of described acquisition A/C evaporator is obtained by the image acquisition unit on machine disposed in the outdoor.
3. the method for air conditioner dedusting according to claim 2, is characterized in that, described image acquisition unit is camera or camera, and obtain evaporimeter picture in fixing interval time in unit, described fixed interval unit can by user's sets itself.
4. the system of air conditioner dedusting, is characterized in that, comprising:
Image acquisition unit, for obtaining the picture of air-conditioner outdoor unit in Fixed Time Interval, and is delivered to memory module by the picture of acquisition;
Memory module, for store for contrast off-premises station picture, and accept and store image acquisition unit transmission picture for data processing unit;
Data processing unit, for the picture collected stored in memory module and contrast picture being contrasted, judging whether to need dedusting, and sending control signals to dust removing units;
Dust removing units, for receiving the control signal of data processing unit, and controls the running of blower fan, and the running of described control blower fan is specially:
When air-conditioner defrosting, the blower fan controlling off-premises station slowly accelerates to from low speed and operates at a high speed, makes the water produced during defrosting wash away dedusting to evaporimeter, or,
By pipeline the water of evaporator condensation collected and be discharged on off-premises station and carry out dedusting;
To the cold air-conditioning of the list not possessing defrosting mode; dedusting control unit can the running of detection and control compressor and outdoor fan; be specially: control compressor shutdown in winter; the blower fan of off-premises station starts running thus reduces the temperature in heat exchanger of outdoor unit; after there is water smoke; control blower fan antiport and progressively gather way, making the dust that water smoke flows on removing heat exchanger.
5. the system of air conditioner dedusting according to claim 4, is characterized in that, described image acquisition unit is camera or camera.
6. the system of the air conditioner dedusting according to claim 4 or 5, is characterized in that, also comprise network connection unit, is connected for setting up network service by internet and external device, and can accept the operational order of internet transmission.
7. the system of air conditioner dedusting according to claim 6, is characterized in that, described data processing module is single-chip microcomputer or data comparator.
8. the system of air conditioner dedusting according to claim 7, is characterized in that, described memory cell is one or more in FLASH, hard disk, RAM and ROM.
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| EP3667192A4 (en) * | 2017-08-28 | 2020-08-26 | Daikin Industries, Ltd. | Air-conditioning device |
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| EP3667192A4 (en) * | 2017-08-28 | 2020-08-26 | Daikin Industries, Ltd. | Air-conditioning device |
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Effective date of registration: 20190213 Address after: 621000, No. 35 Mian Xing Dong Road, hi tech Zone, Sichuan, Mianyang Patentee after: Sichuan Changhong Air-Coditioning Co., Ltd. Address before: 621000, No. 35 Mian Xing Dong Road, hi tech Zone, Sichuan, Mianyang Patentee before: Sichuan Changhong Electrical Appliance Co., Ltd. |