CN110500761A - Drainage method and device of courtyard machine air conditioning unit and courtyard machine air conditioning unit - Google Patents
Drainage method and device of courtyard machine air conditioning unit and courtyard machine air conditioning unit Download PDFInfo
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- CN110500761A CN110500761A CN201910827230.8A CN201910827230A CN110500761A CN 110500761 A CN110500761 A CN 110500761A CN 201910827230 A CN201910827230 A CN 201910827230A CN 110500761 A CN110500761 A CN 110500761A
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- water pump
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- conditioning unit
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 330
- 238000004140 cleaning Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- 230000001351 cycling effect Effects 0.000 claims 1
- 239000012535 impurity Substances 0.000 abstract description 6
- 241000894006 Bacteria Species 0.000 description 15
- 238000005057 refrigeration Methods 0.000 description 13
- 238000009825 accumulation Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 101150006573 PAN1 gene Proteins 0.000 description 2
- 241000233866 Fungi Species 0.000 description 1
- 241000589248 Legionella Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001720 carbohydrates Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000028327 secretion Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0007—Indoor units, e.g. fan coil units
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
-
- 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
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2221/00—Details or features not otherwise provided for
- F24F2221/22—Cleaning ducts or apparatus
- F24F2221/225—Cleaning ducts or apparatus using a liquid
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
- Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
Abstract
The invention relates to a drainage method and a device of a courtyard unit air conditioning unit and the courtyard unit air conditioning unit, wherein the drainage device comprises: the water receiving tray and the water pump are arranged above the water receiving tray in an inverted hanging mode; and the controller is used for detecting the running state of the air conditioning unit and controlling the rotation direction of the water pump when the air conditioning unit runs in a refrigerating mode so as to drain condensed water in the water pan and self-clean the water pump. According to the technical scheme provided by the invention, the running state of the air conditioning unit is detected, the rotating direction of the water pump is controlled during the refrigerating running of the air conditioning unit, so that condensed water in the water receiving disc is drained, and the water pump is self-cleaned, so that dirt remained in the water pump and sticky masses gathered at the water inlet of the water pump are discharged, the problem of drainage failure of the water pump caused by the fact that the water pump blocks the water pump due to the fact that impurities are sucked into the water pump and the sticky masses are prevented from occurring, the problem of low drainage efficiency of the water pump due to the dirty blockage is solved, and the normal running of the air conditioning unit.
Description
Technical Field
The invention relates to the technical field of air conditioner drainage, in particular to a drainage method and device for a courtyard unit air conditioning unit and the courtyard unit air conditioning unit.
Background
The air conditioner of the ceiling type or embedded type can save space and is beautiful.
When an existing courtyard machine air conditioner operates, particularly in a humid environment, toxic bacteria (such as legionella bacteria) and mould (such as saccharide secretion) and sticky masses (such as air sediment and bacteria residue) are easily generated at water inlets of a water receiving tray and a water pump, the flowing of water flow is easily blocked, the drainage of a hydraulic component is blocked, in case that a large amount of bacteria are gathered at the water inlet of the water pump to form the sticky masses, the water inlet of the water pump is blocked, water in the water receiving tray cannot be discharged, the operation of a unit is influenced, the unit is easy to start, leak water and the occurrence of a unit failure reporting phenomenon easily occurs. And dirt and bacteria on the hydraulic part are accumulated, and the machine set is easy to generate musty odor after being not cleaned and blown for a long time, so that the use comfort of a user is influenced.
Disclosure of Invention
In view of the above, the present invention aims to provide a drainage method and device for a courtyard air conditioning unit and a courtyard air conditioning unit, so as to solve the problem that in the prior art, a water pump of the courtyard air conditioning unit is easy to gather bacteria, so that water in a water pan cannot be drained, and the operation of the unit is affected.
According to a first aspect of embodiments of the present invention, there is provided a drainage device of a patio air conditioning unit, comprising:
the water receiving tray and the water pump are arranged above the water receiving tray in an inverted hanging mode;
and the controller is used for detecting the running state of the air conditioning unit and controlling the rotation direction of the water pump when the air conditioning unit runs in a refrigerating mode so as to drain condensed water in the water pan and self-clean the water pump.
Preferably, the impeller and the end cover of the water pump are made of a heat-shrinkable and cold-expandable material;
the impeller and the end cover of the water pump extend to the bottom of the water pan when the air conditioning unit operates in a refrigerating mode;
and the impeller and the end cover of the water pump recover to the initial state when the air conditioning unit is in heating operation.
Preferably, the drainage apparatus further includes:
and the water pump fixing platform is used for fixing the water pump which is installed in an inverted hanging manner.
Preferably, the drainage apparatus further includes:
and the water pump drain pipe is communicated with the water outlet of the water pump.
According to a second aspect of the embodiments of the present invention, there is provided a drainage method of a patio air conditioning unit, including:
detecting the running state of the air conditioning unit;
when the air conditioning unit operates in a refrigerating mode, the rotation direction of the water pump is controlled so as to empty condensed water in the water pan and automatically clean the water pump.
Preferably, the controlling the rotation direction of the water pump includes:
controlling the water pump to rotate positively to drain the condensed water in the water pan; and a process for the preparation of a coating,
controlling the water pump to reversely rotate so as to automatically clean the water pump.
Preferably, the controlling the rotation direction of the water pump includes:
the water pump is controlled to rotate forwards and reversely in a circulating mode until the condensed water in the water receiving tray is emptied; or,
and after the water pump is controlled to rotate reversely to perform self-cleaning, the water pump is controlled to rotate forwardly until the condensed water in the water pan is emptied.
Preferably, the circulation control water pump rotates forwards and backwards, and comprises:
in each cycle period, firstly controlling the water pump to rotate forwards and then controlling the water pump to rotate backwards; or, in each cycle period, firstly controlling the water pump to rotate reversely, and then controlling the water pump to rotate forwards.
Preferably, the first and second control signals are, during each cycle period,
the time length of the positive rotation of the water pump is the same as the time length of the negative rotation of the water pump, or,
the time length of the positive rotation of the water pump is different from the time length of the negative rotation of the water pump.
According to a third aspect of embodiments of the present invention, there is provided a patio air conditioning unit comprising:
a processor;
a memory for storing processor-executable instructions;
the processor is configured to:
detecting the running state of the air conditioning unit;
when the air conditioning unit operates in a refrigerating mode, the rotation direction of the water pump is controlled so as to empty condensed water in the water pan and automatically clean the water pump.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
the running state of the air conditioning unit is detected, the rotating direction of the water pump is controlled when the air conditioning unit operates in a refrigerating mode, so that condensed water in the water receiving tray is drained, the water pump is cleaned automatically, dirt remaining in the water pump and sticky masses gathered at a water inlet of the water pump are discharged, and the problem that the water pump fails in drainage due to the fact that the water pump blocks the water pump due to the fact that the water pump sucks impurities and the sticky masses is prevented; bacteria and sticky masses gathered on the water receiving disc in a humid environment are removed, the problem of dirty and blockage caused by unsmooth water drainage of the water pump is solved, the musty smell caused by dirt on each hydraulic component and accumulation of the sticky masses of the bacteria is eliminated, the problem of low water drainage efficiency of the water pump due to dirty and blockage is solved, and the normal operation of the air conditioning unit is ensured.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a block diagram illustrating a drain of a patio air conditioning unit in accordance with an exemplary embodiment;
FIG. 2 is an enlarged partial view of a drain of the patio air conditioning unit shown in FIG. 1;
FIG. 3 is a flow chart illustrating a method of draining water from a patio air conditioning unit in accordance with an exemplary embodiment;
FIG. 4 is a flow chart illustrating a method of draining water for a patio air conditioning unit, according to another exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a schematic structural view illustrating a drainage apparatus of a patio air conditioning unit according to an exemplary embodiment, the drainage apparatus including, as shown in fig. 1:
the water collecting device comprises a water collecting tray 1 and a water pump 2 which is arranged above the water collecting tray 1 in an inverted hanging manner;
and the controller (not shown in the drawing) is used for detecting the operation state of the air conditioning unit and controlling the rotation direction of the water pump 2 when the air conditioning unit operates in a refrigerating mode so as to drain the condensed water in the water pan 1 and self-clean the water pump 2.
Preferably, the controlling the rotation direction of the water pump includes:
controlling the water pump to rotate positively to drain the condensed water in the water pan; and a process for the preparation of a coating,
controlling the water pump to reversely rotate so as to automatically clean the water pump.
Preferably, the drainage apparatus further includes:
and the water pump fixing platform 3 is used for fixing the water pump 2 which is installed in an inverted hanging manner.
Preferably, the drainage apparatus further includes:
and the water pump drain pipe 4 is communicated with the water outlet of the water pump 2.
It can be understood that the air conditioning unit can only produce condensed water in the refrigeration mode, so that the technical scheme provided by the implementation only needs to ensure that the water in the water pan is emptied in the refrigeration mode. In addition, it can be understood that self-cleaning of the water pump can be realized only when water exists, and in the refrigeration mode, condensed water generated by the air conditioning unit can be just used for self-cleaning of the water pump, so that drainage and self-cleaning of the water pump are controlled in the refrigeration mode, drainage cleaning efficiency is high, and reliability is good.
It can be understood that, according to the technical scheme provided by this embodiment, by detecting the operation state of the air conditioning unit and controlling the rotation direction of the water pump when the air conditioning unit operates in a refrigerating mode, condensed water in the water pan is drained, and the water pump is self-cleaned, so that dirt remaining in the water pump and sticky masses gathered at the water inlet of the water pump are drained, and the problem that the water pump fails in drainage due to the fact that the water pump blocks the water pump due to the fact that impurities are sucked into the water pump and the sticky masses are prevented; bacteria and sticky masses gathered on the water receiving disc in a humid environment are removed, the problem of dirty and blockage caused by unsmooth water drainage of the water pump is solved, the musty smell caused by dirt on each hydraulic component and accumulation of the sticky masses of the bacteria is eliminated, the problem of low water drainage efficiency of the water pump due to dirty and blockage is solved, and the normal operation of the air conditioning unit is ensured.
Preferably, the impeller 21 and the end cover 22 of the water pump 2 are made of a heat-shrinkable and cold-expandable material;
referring to fig. 2, when the air conditioning unit operates in a cooling mode, the impeller 21 and the end cover 22 of the water pump extend to the bottom of the water pan 1;
and when the air conditioning unit is in heating operation, the impeller 21 and the end cover 22 of the water pump are restored to the initial state.
In fig. 1 and 2, S0 represents the initial state of the water pump head, and S1 represents the extended state of the water pump head.
It can be understood that because under the refrigeration mode, air conditioning unit can produce the comdenstion water, and the water pump needs the drainage, so the impeller and the end cover of water pump extend to the water collector bottom this moment, the ponding in the evacuation water collector of being convenient for, and under the mode of heating, air conditioning unit can not produce the comdenstion water, so the water pump need not the drainage this moment, the impeller and the end cover of water pump resume initial condition can.
It should be noted that, the heat-shrinkable and cold-expandable material already exists in the prior art, related news information has already been reported on the new material, the technical solution provided in this embodiment only utilizes the new material, and the development of the heat-shrinkable and cold-expandable material does not belong to the protection scope of the present invention.
It can be understood that the impeller and the end cover of the water pump are made of a thermal shrinkage and cold expansion material, when the air conditioning unit operates in a refrigerating mode, the impeller and the end cover of the water pump extend towards the bottom of the water receiving tray (for example, the impeller and the end cover extend to a position 1mm away from the bottom of the water receiving tray), once the air conditioning unit generates condensate water, the condensate water is collected through the water receiving tray and is gathered to a certain degree, and because the drainage mechanism (the impeller and the end cover) of the water pump extends to the bottom of the water receiving tray, the condensate water generated by the air conditioning unit in the refrigerating mode can be rapidly discharged by the water pump.
Fig. 3 is a flow chart illustrating a method of draining water from a patio air conditioning unit, as shown in fig. 3, in accordance with an exemplary embodiment, the method including:
step S11, detecting the running state of the air conditioning unit;
and step S12, controlling the rotation direction of the water pump when the air conditioning unit operates in a refrigerating mode to drain the condensed water in the water pan and self-clean the water pump.
It should be noted that the technical scheme provided by the embodiment is applicable to a courtyard unit air conditioning unit.
It can be understood that the air conditioning unit can only produce condensed water in the refrigeration mode, so that the technical scheme provided by the implementation only needs to ensure that the water in the water pan is emptied in the refrigeration mode. In addition, it can be understood that self-cleaning of the water pump can be realized only when water exists, and in the refrigeration mode, condensed water generated by the air conditioning unit can be just used for self-cleaning of the water pump, so that drainage and self-cleaning of the water pump are controlled in the refrigeration mode, drainage cleaning efficiency is high, and reliability is good.
It can be understood that, according to the technical scheme provided by this embodiment, by detecting the operation state of the air conditioning unit and controlling the rotation direction of the water pump when the air conditioning unit operates in a refrigerating mode, condensed water in the water pan is drained, and the water pump is self-cleaned, so that dirt remaining in the water pump and sticky masses gathered at the water inlet of the water pump are drained, and the problem that the water pump fails in drainage due to the fact that the water pump blocks the water pump due to the fact that impurities are sucked into the water pump and the sticky masses are prevented; bacteria and sticky masses gathered on the water receiving disc in a humid environment are removed, the problem of dirty and blockage caused by unsmooth water drainage of the water pump is solved, the musty smell caused by dirt on each hydraulic component and accumulation of the sticky masses of the bacteria is eliminated, the problem of low water drainage efficiency of the water pump due to dirty and blockage is solved, and the normal operation of the air conditioning unit is ensured.
Preferably, the controlling the rotation direction of the water pump includes:
controlling the water pump to rotate positively to drain the condensed water in the water pan; and a process for the preparation of a coating,
controlling the water pump to reversely rotate so as to automatically clean the water pump.
It can be understood that, when air conditioning unit refrigerates the operation, the water pump begins the drainage, at first normal drainage, then the water pump reversal, can effectively discharge the foul and the glutinous group of gathering in water pump water inlet department of remaining inside the water pump through reverse drainage, prevent that the water pump from plugging up the water pump because of inhaling impurity and glutinous group, cause the water pump drainage inefficacy, the solution is under moist environment, the bacterium and the glutinous group of gathering at the water collector, solve the not smooth and dirty stifled problem of water pump drainage, and eliminate the foul and the fungus smell that the bacterium glutinous group on each water conservancy part accumulated and cause, and solve the water pump and lead to the drainage inefficiency problem because of dirty stifled, guarantee the normal operating of system when refrigerating the operation.
Preferably, the controlling the rotation direction of the water pump includes:
the water pump is controlled to rotate forwards and reversely in a circulating mode until the condensed water in the water receiving tray is emptied; or,
and after the water pump is controlled to rotate reversely to perform self-cleaning, the water pump is controlled to rotate forwardly until the condensed water in the water pan is emptied.
Preferably, the circulation control water pump rotates forwards and backwards, and comprises:
in each cycle period, firstly controlling the water pump to rotate forwards and then controlling the water pump to rotate backwards; or, in each cycle period, firstly controlling the water pump to rotate reversely, and then controlling the water pump to rotate forwards.
Preferably, the first and second control signals are, during each cycle period,
the time length of the positive rotation of the water pump is the same as the time length of the negative rotation of the water pump, or,
the time length of the positive rotation of the water pump is different from the time length of the negative rotation of the water pump.
It can be appreciated that the present embodiment provides three water pump control schemes, including:
1. the water pump is controlled to rotate forwards and backwards again until the condensed water in the water pan is emptied;
2. the water pump is controlled to rotate reversely, rotate forwards again, rotate reversely again and rotate forwards again until the condensed water in the water pan is emptied;
3. and controlling the water pump to rotate reversely for self-cleaning, and then controlling the water pump to rotate forwards until the condensed water in the water receiving tray is emptied.
In the three water pump control schemes, in the scheme 1 and the scheme 2, the forward rotation time and the reverse rotation time of the water pump are set according to the needs of users, in the scheme 3, the reverse rotation time of the water pump is set according to the needs of users, and the forward rotation time is automatically controlled by the system according to the amount of water in the water receiving tray.
In the three water pump control schemes, the forward rotation time length and the reverse rotation time length of the water pump can be the same or different, and are specifically set according to user requirements.
It can be understood that, according to the technical scheme provided by the embodiment, the control modes of various water pump running directions can adapt to different application scenes, and users have the advantages of multiple choices, good experience degree and high satisfaction degree.
Fig. 4 is a flow chart illustrating a method of draining water from a patio air conditioning unit, as shown in fig. 4, in accordance with another exemplary embodiment, the method including:
step S21, detecting the running state of the air conditioning unit;
and step S22, when the air conditioning unit operates in a refrigerating mode, controlling the water pump to rotate forwards to empty condensed water in the water pan, and controlling the water pump to rotate backwards to automatically clean the water pump.
It should be noted that the technical scheme provided by the embodiment is applicable to a courtyard unit air conditioning unit.
It can be understood that the air conditioning unit can only produce condensed water in the refrigeration mode, so that the technical scheme provided by the implementation only needs to ensure that the water in the water pan is emptied in the refrigeration mode. In addition, it can be understood that self-cleaning of the water pump can be realized only when water exists, and in the refrigeration mode, condensed water generated by the air conditioning unit can be just used for self-cleaning of the water pump, so that drainage and self-cleaning of the water pump are controlled in the refrigeration mode, drainage cleaning efficiency is high, and reliability is good.
According to an exemplary embodiment of the present invention, there is provided a patio air conditioning unit including:
a processor;
a memory for storing processor-executable instructions;
the processor is configured to:
detecting the running state of the air conditioning unit;
when the air conditioning unit operates in a refrigerating mode, the rotation direction of the water pump is controlled so as to empty condensed water in the water pan and automatically clean the water pump.
It can be understood that, according to the technical scheme provided by this embodiment, by detecting the operation state of the air conditioning unit and controlling the rotation direction of the water pump when the air conditioning unit operates in a refrigerating mode, condensed water in the water pan is drained, and the water pump is self-cleaned, so that dirt remaining in the water pump and sticky masses gathered at the water inlet of the water pump are drained, and the problem that the water pump fails in drainage due to the fact that the water pump blocks the water pump due to the fact that impurities are sucked into the water pump and the sticky masses are prevented; bacteria and sticky masses gathered on the water receiving disc in a humid environment are removed, the problem of dirty and blockage caused by unsmooth water drainage of the water pump is solved, the musty smell caused by dirt on each hydraulic component and accumulation of the sticky masses of the bacteria is eliminated, the problem of low water drainage efficiency of the water pump due to dirty and blockage is solved, and the normal operation of the air conditioning unit is ensured.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A drainage device of a courtyard machine air conditioning unit is characterized by comprising:
the water receiving tray and the water pump are arranged above the water receiving tray in an inverted hanging mode;
and the controller is used for detecting the running state of the air conditioning unit and controlling the rotation direction of the water pump when the air conditioning unit runs in a refrigerating mode so as to drain condensed water in the water pan and self-clean the water pump.
2. The drainage device of claim 1,
the impeller and the end cover of the water pump are made of thermal shrinkage and cold expansion materials;
the impeller and the end cover of the water pump extend to the bottom of the water pan when the air conditioning unit operates in a refrigerating mode;
and the impeller and the end cover of the water pump recover to the initial state when the air conditioning unit is in heating operation.
3. The drain device according to claim 1, further comprising:
and the water pump fixing platform is used for fixing the water pump which is installed in an inverted hanging manner.
4. The drain device according to claim 1, further comprising:
and the water pump drain pipe is communicated with the water outlet of the water pump.
5. A drainage method of a courtyard machine air conditioning unit is characterized by comprising the following steps:
detecting the running state of the air conditioning unit;
when the air conditioning unit operates in a refrigerating mode, the rotation direction of the water pump is controlled so as to empty condensed water in the water pan and automatically clean the water pump.
6. The method of claim 5, wherein controlling the direction of rotation of the water pump comprises:
controlling the water pump to rotate positively to drain the condensed water in the water pan; and a process for the preparation of a coating,
controlling the water pump to reversely rotate so as to automatically clean the water pump.
7. The method of claim 6, wherein controlling the direction of rotation of the water pump comprises:
the water pump is controlled to rotate forwards and reversely in a circulating mode until the condensed water in the water receiving tray is emptied; or,
and after the water pump is controlled to rotate reversely to perform self-cleaning, the water pump is controlled to rotate forwardly until the condensed water in the water pan is emptied.
8. The method of claim 7, wherein the cycling control water pump is rotating in forward and reverse directions, comprising:
in each cycle period, firstly controlling the water pump to rotate forwards and then controlling the water pump to rotate backwards; or,
and in each cycle period, firstly controlling the water pump to rotate reversely, and then controlling the water pump to rotate forwards.
9. The method of claim 8, wherein, during each cycle period,
the time length of the positive rotation of the water pump is the same as the time length of the negative rotation of the water pump, or,
the time length of the positive rotation of the water pump is different from the time length of the negative rotation of the water pump.
10. A courtyard machine air conditioning unit, characterized by, includes:
a processor;
a memory for storing processor-executable instructions;
the processor is configured to:
detecting the running state of the air conditioning unit;
when the air conditioning unit operates in a refrigerating mode, the rotation direction of the water pump is controlled so as to empty condensed water in the water pan and automatically clean the water pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN113776124A (en) * | 2021-08-17 | 2021-12-10 | 佛山市顺德区美的电子科技有限公司 | Air conditioner indoor unit, air conditioner and control method of air conditioner indoor unit |
| CN115406005A (en) * | 2022-08-11 | 2022-11-29 | 珠海格力电器股份有限公司 | Refrigeration control method and device and courtyard machine |
| CN115479350A (en) * | 2021-05-31 | 2022-12-16 | 佛山市顺德区美的电子科技有限公司 | Air conditioner and control method and control device of water pump of air conditioner |
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