CN111853949A - Air conditioner indoor unit and control method of fresh air function of air conditioner - Google Patents
Air conditioner indoor unit and control method of fresh air function of air conditioner Download PDFInfo
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- CN111853949A CN111853949A CN202010811244.3A CN202010811244A CN111853949A CN 111853949 A CN111853949 A CN 111853949A CN 202010811244 A CN202010811244 A CN 202010811244A CN 111853949 A CN111853949 A CN 111853949A
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- filter screen
- air
- fresh air
- dust removal
- removal filter
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- 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
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0073—Indoor units, e.g. fan coil units with means for purifying supplied air characterised by the mounting or arrangement of filters
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- 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
- F24F1/0071—Indoor units, e.g. fan coil units with means for purifying supplied air
- F24F1/0076—Indoor units, e.g. fan coil units with means for purifying supplied air by electric means, e.g. ionisers or electrostatic separators
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- 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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
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- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
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- 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
- F24F13/28—Arrangement or mounting of filters
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- 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
- F24F2110/50—Air quality properties
- F24F2110/64—Airborne particle content
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- 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
- F24F2110/50—Air quality properties
- F24F2110/65—Concentration of specific substances or contaminants
- F24F2110/70—Carbon dioxide
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- 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)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The invention provides an air conditioner indoor unit and a control method of a fresh air function of an air conditioner, comprising a shell; a heat exchange module; and a fresh air module; the fresh air module comprises a fresh air pipe which is used for being communicated with the outside to introduce fresh air; the filter screen accommodating cavity is arranged between the air inlet of the volute and the fresh air pipe; the dust removal filter screen assembly is arranged in the filter screen accommodating cavity and is matched and in sliding connection with the filter screen accommodating cavity; and the driving assembly is matched with the dust removal filter screen assembly and used for driving the dust removal filter screen assembly to slide in the filter screen accommodating cavity so that the dust removal filter screen assembly can be completely sealed or completely opened or partially opened to communicate with the air duct of the fresh air pipe. Compared with the existing dust removal filter screen, the novel air volume can be greatly improved under the condition of the same noise, and the user experience is improved; under the prerequisite of the same fresh air volume, noise when can reduce the new trend operation promotes user experience.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to an air conditioner indoor unit and a control method of an air conditioner fresh air function.
Background
At present, the household appliance industry is in a situation of intense competition, each big competitive product has unique innovation in the aspects of functions, appearance and the like, and the product details are also important factors influencing the purchasing power of consumers.
On one hand, the existing air conditioner mostly uses an HEPA dust removal filter screen when filtering air, the filter material of the air conditioner is multilayer non-woven fabric, and the wind resistance is large, so that the noise is high when a fresh air function is operated, the air intake is small, and the filter screen is not easy to clean after being dirty and blocked; on the other hand, when the new trend air inlet air quality that inhales from outdoor is good, need not pass through high efficiency filter, but this problem can not effectively be solved to the HEPA dust removal filter screen that current air conditioner set up.
The invention is provided in view of the above.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. For this purpose,
the first purpose of the invention is to provide an indoor unit of an air conditioner, which can reduce wind resistance, reduce noise, improve fresh air intake and facilitate cleaning by users.
The second purpose of the invention is to provide a control method of the fresh air function of the air conditioner.
In order to achieve the above object, an embodiment of the present invention provides an indoor unit of an air conditioner, including: a housing; the heat exchange module is used for refrigerating and heating; the fresh air module is used for introducing fresh air from the outside; the new trend module includes: the fresh air pipe is used for being communicated with the outside to introduce fresh air; the filter screen accommodating cavity is arranged between the air inlet of the volute and the fresh air pipe; the dust removal filter screen assembly is arranged in the filter screen accommodating cavity and is matched and in sliding connection with the filter screen accommodating cavity; and the driving assembly is matched with the dust removal filter screen assembly and used for driving the dust removal filter screen assembly to slide in the filter screen accommodating cavity, so that the dust removal filter screen assembly is completely sealed or is completely opened or is partially opened to communicate with the air duct of the fresh air duct, and the fresh air inlet amount is increased.
According to one embodiment of the invention, a sliding groove is formed in the filter screen accommodating cavity, and the dust removal filter screen is drawn into the filter screen accommodating cavity along the sliding groove so as to be convenient for the dust removal filter screen to slide along the sliding groove for dismounting or mounting.
According to one embodiment of the invention, a fresh air motor and a fan are arranged in the air duct, and an output pump of the fresh air motor is connected with the fan and is used for driving the fan to rotate so as to introduce fresh air into a room.
According to one embodiment of the invention, the driving assembly comprises a stepping motor and a rotating wheel, and an output shaft of the stepping motor is connected with the rotating wheel and is used for driving the rotating wheel to rotate; the rotating wheel is matched with the dust removal filter screen assembly, and the step motor rotates to indirectly drive the dust removal filter screen assembly to slide.
According to one embodiment of the invention, a fixed seat is arranged on the outer side of the driving component, and a mounting seat is further arranged on the upper side of the filter screen accommodating cavity, and the fixed seat is fixedly connected with the mounting seat to fix the driving component on the filter screen accommodating cavity.
According to one embodiment of the invention, a through hole is formed in the upper side of the filter screen accommodating cavity, and the rotating wheel is matched with the dust removal filter screen assembly through the through hole, so that the dust removal filter screen assembly is driven to slide in the filter screen accommodating cavity.
According to one embodiment of the invention, the dust removal screen assembly comprises a screen frame and a screen, a plurality of protrusions are arranged above the screen frame, and the rotating wheel is matched with the plurality of protrusions so as to drive the dust removal screen assembly to slide in the screen accommodating cavity.
According to one embodiment of the invention, the bottom side of the filter screen frame is provided with a roller fixing frame, and rollers are movably connected to the roller fixing frames, so that the dedusting filter screen assembly can slide more smoothly in the slide way.
According to one embodiment of the invention, a primary filter screen is arranged on the fresh air pipe, and the mesh aperture of the primary filter screen is larger than that of the dedusting filter screen.
According to one embodiment of the invention, the primary filter screen is detachably connected with the fresh air pipe.
According to one embodiment of the invention, the primary filter screen is arranged on the indoor side of the fresh air duct.
In order to achieve the above object, a second aspect of the present invention provides a control method for a fresh air function of an air conditioner, which is applied to the above indoor unit of the air conditioner, and the control method includes: when the new trend function was opened, the quality numerical value of new trend air inlet air detected the quality numerical value of new trend air inlet air, control dust removal filter screen subassembly for the filter screen holds the position state in chamber.
According to one embodiment of the invention, the fresh air function in the method is an automatic fresh air function, when the automatic fresh air function is started, the indoor carbon dioxide concentration is detected, and the on-off and the rotating speed of the fresh air motor are automatically controlled according to the indoor carbon dioxide concentration.
According to one embodiment of the invention, after the fresh air function is closed, the dust removal filter screen assembly is controlled to slide to a position state of completely sealing the air duct.
According to one embodiment of the invention, when the mass value of the fresh air and the inlet air meets a first preset condition, the controller energizes the driving assembly, so as to control the dust removal filter screen assembly to slide to a position state of completely sealing the air duct; when the mass value of the fresh air inlet air meets a second preset condition, the controller energizes the driving assembly, so that the dust removal filter screen assembly is controlled to slide to a position state where the air channel is partially opened or completely opened.
According to one embodiment of the invention, when the mass value of the fresh air inlet air meets a first preset condition, the minimum rotating speed of the operation of the fresh air motor is limited to R1; when the mass value of the fresh air inlet air meets a second preset condition, the lowest rotating speed of the fresh air motor is limited to R2.
According to one embodiment of the invention, the quality value of the fresh air intake air is determined by detecting the concentration of PM2.5 in the fresh air intake air.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of an air conditioner indoor unit according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a fresh air module according to an embodiment of the present invention;
FIG. 3 is a schematic view of an installation of a fresh air blower and a fan according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a filter screen receiving cavity according to an embodiment of the present invention;
FIG. 5 is an enlarged view of a portion of a screen receiving cavity provided in accordance with an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a driving assembly according to an embodiment of the present invention;
FIG. 7 is a schematic structural view of a dust screen assembly provided in accordance with an embodiment of the present invention;
FIG. 8 is an enlarged view of a roller mounting provided in accordance with an embodiment of the present invention;
FIG. 9 is a schematic illustration of a dust screen assembly according to an embodiment of the present invention in a first position;
FIG. 10 is a schematic view of a dust screen assembly in position two according to an embodiment of the present invention;
fig. 11 is a schematic view illustrating an installation of a primary filter screen according to an embodiment of the present invention;
fig. 12 is a first flowchart of a control method for a fresh air function of an air conditioner according to an embodiment of the present invention;
fig. 13 is a schematic flow chart of a control method of a fresh air function of an air conditioner according to an embodiment of the present invention;
fig. 14 is a third schematic flow chart of a control method of an air conditioning fresh air function according to an embodiment of the present invention.
In the above figures: 1. a heat exchange module; 2. a fresh air module; 21. a fresh air duct; 22. a dust removal filter screen assembly; 221. a screen frame; 222. filtering with a screen; 2221. a protrusion; 2222. a roller fixing frame; 223. a roller; 23. a volute; 231. an air duct; 2311. a filter screen accommodating cavity; 2312. a chute; 2313. a mounting seat; 2314. a via hole; 232. a fan; 24. a drive assembly; 241. a fixed seat; 242. a stepping motor; 243. a rotating wheel; 3. a fresh air motor; 4. a primary filter screen.
Detailed Description
The invention is described in detail below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The air conditioner performs a refrigeration cycle of the air conditioner by using a compressor, a condenser, an expansion valve, and an evaporator. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.
The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.
The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.
The air conditioner includes an outdoor unit, which refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, and an air conditioning indoor unit of the air conditioner including an indoor heat exchanger, and an expansion valve may be provided in the air conditioning indoor unit or the outdoor unit. The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.
The air conditioning indoor unit is connected to an outdoor unit installed in an outdoor space through a duct. The outdoor unit may be provided with a compressor, an outdoor heat exchanger, an outdoor fan, an expander, and the like of a refrigeration cycle, and the indoor unit of the air conditioner may be provided with an indoor heat exchanger and an indoor fan.
Example 1
Referring to fig. 1 to 7, the present embodiment provides an indoor unit of an air conditioner, where a side of a user facing a human body when the user uses the indoor unit of the air conditioner is a front side, where the indoor unit of the air conditioner includes a casing; the heat exchange module 1 is used for refrigerating and heating; and the fresh air module 2 is arranged below the heat exchange module 1 and used for introducing fresh air from the outside.
The casing may be an air conditioner indoor unit casing provided in an air conditioner indoor unit in the case of a separate type air conditioner, or may be a casing of the air conditioner itself in the case of an integrated type air conditioner.
A plurality of components constituting a refrigeration cycle are installed in the body. The cabinet includes a front surface defining a front appearance of the air conditioner, a rear surface, a bottom surface supporting the air conditioner, side surfaces disposed at both sides of the bottom surface, and a top surface defining a top structure.
The fresh air module 2 comprises a fresh air pipe 21, a volute 23 and a dust removing filter screen 222. The fresh air pipe 21 is used for being communicated with the outside, an air channel 231 is arranged in the volute 23, and the air channel 231 is communicated with the fresh air pipe 21 so as to introduce fresh air into the inside.
Be provided with new trend motor 3 and fan 232 in the wind channel 231, the fan 232 is taken out to connect in new trend motor 3's output for drive fan 232 rotates in order to introduce the new trend indoor.
The air intake department of spiral case 23 is provided with the filter screen and holds chamber 2311, and dust removal filter screen subassembly 22 detachable sets up in filter screen holds chamber 2311, holds chamber 2311 with the filter screen and cooperatees sliding connection, holds chamber 2311 through the slip filter screen that slides in to realize dismantling of dust removal filter screen subassembly 22.
The filter screen accommodating cavity 2311 is provided with a sliding groove 2312, the sliding groove 2312 is arranged on the upper side of the inner wall and the lower side of the inner wall of the filter screen accommodating cavity 2311, and the dust removal filter screen assembly 22 in the embodiment is drawn into the filter screen accommodating cavity 2311 from left to right along the sliding groove 2312, so that the dust removal filter screen 222 can be more smoothly detached or installed along the sliding groove 2312.
The driving assembly 24 is matched with the dust removing filter screen assembly 22 and used for driving the dust removing filter screen assembly 22 to slide in the filter screen accommodating cavity 2311, so that the dust removing filter screen assembly 22 is completely sealed or partially opens the air channel 231 communicated with the fresh air pipe 21, and the fresh air inlet amount is increased. The user can also slide the dust removal component of the filter screen 222 manually to control the fresh air inlet amount.
Wherein, it holds the position state that the chamber 2311 totally cooperates for dust removal filter screen subassembly 22 slides to and filter screen to seal completely for the new trend air inlet current all gets into wind channel 231 again after the filtration through dust removal filter screen subassembly 22 this moment. The part is opened and is slided to the position state that holds the incomplete complex of chamber 2311 with the filter screen for dust removal filter screen subassembly 22, and dust removal filter screen subassembly 22 holds the chamber 2311 with the filter screen this moment and forms great gap no longer for totally enclosed position state between the chamber, and part new trend air inlet air directly gets into new trend wind channel 231 not through dust removal filter screen subassembly 22 for the flow resistance of new trend air inlet air in wind channel 231 reduces greatly, thereby makes the new trend amount of wind increase. The position state of opening completely is that dust removal filter screen subassembly 22 does not completely hold the chamber 2311 with the filter screen promptly, and dust removal filter screen subassembly 22 slides to the position that fresh air inlet air directly got into fresh air wind channel 231 not passing through dust removal filter screen subassembly 22's filtration completely this moment to the flow resistance of fresh air inlet air in wind channel 231 has been reduced greatly, has effectively increaseed fresh air inlet air volume.
The driving assembly 24 includes a stepping motor 242 and a rotating wheel 243, the stepping motor 242 and the rotating wheel 243 are installed above the filter screen accommodating cavity 2311, and an output shaft of the stepping motor 242 is connected with the rotating wheel 243 for driving the rotating wheel 243 to rotate. The driving assembly 24, namely, the stepping motor 242 and the rotating wheel 243, are provided with a fixing seat 241 at the outer side thereof, a mounting seat 2313 is provided at the upper side of the filter screen accommodating cavity 2311, and the fixing seat 241 and the mounting seat 2313 are fixedly connected through screws to fix the driving assembly 24 on the filter screen accommodating cavity 2311.
The upper side of the filter screen accommodating cavity 2311 is further provided with a through hole 2314, two sides of the through hole 2314 are provided with mounting seats 2313 for screw fixing connection, that is, the through hole 2314 is arranged between the two mounting seats 2313, and the rotating wheel 243 is matched with the dust removal filter screen assembly 22 through the through hole 2314, specifically, the dust removal filter screen assembly 22 comprises a filter screen frame 221 and a filter screen 222, a plurality of protrusions 2221 are arranged above the filter screen frame 221, the protrusions 2221 are in the shape of strip-shaped protrusions 2221, and the rotating wheel 243 is in contact with and matched with the strip-shaped protrusions 2221, so that the rotating wheel 243 is driven by the stepping motor 242 to rotate, and thus the dust removal filter screen assembly 22 is driven to slide in the filter screen accommodating cavity 2311 through friction fit with the protrusions, and in this embodiment.
Referring to fig. 2-8, the bottom side of the screen frame 221 is provided with roller holders 2222, and each roller holder 2222 is movably connected with a roller 223, so that the dust removing screen assembly 22 slides more smoothly in the slide groove 2312 of the screen accommodating cavity 2311. In other embodiments, the roller 223 may be disposed in the slide groove 2312 of the filter screen receiving cavity 2311 to achieve the same effect as described above.
Referring to fig. 2 to 9, in the present embodiment, when the position of the dust screen assembly 22 is completely sealed with respect to the air duct 231, the position of the dust screen assembly 22 with respect to the screen accommodating cavity 2311 is position one.
After opening the new trend function, the air conditioning indoor set detects the quality numerical value of new trend air inlet air, when the quality of new trend air inlet air that detects is relatively poor, at this moment, dust removal filter screen subassembly 22 slides under drive assembly 24's drive and holds the rightmost side that the chamber 2311 was put one promptly to the filter screen, dust removal filter screen subassembly 22 holds the chamber 2311 with the filter screen and cooperates completely, the new trend air inlet air is whole to get into wind channel 231 again after the filtration through dust removal filter screen subassembly 22, the realization is to the high efficiency filtration of new trend air inlet air.
Referring to fig. 2 to 10, in the present embodiment, when the position state of the dust screen assembly 22 is a partially opened or a fully opened air duct 231 communicating with the fresh air duct 21, the position state of the dust screen assembly 22 relative to the screen accommodating cavity 2311 is position two.
Open the new trend function, the air conditioning indoor set detects the quality numerical value of new trend air inlet air, when the new trend air inlet air that detects is of high quality, new trend air inlet air can need not to carry out the efficient through dust removal filter screen subassembly 22 this moment and filters, this moment, dust removal filter screen subassembly 22 holds the left side slip certain distance to position two of chamber 2311 to the filter screen under drive assembly 24's drive, because dust removal filter screen subassembly 22 and filter screen hold the chamber 2311 at this moment and form great space no longer be the completely sealed state between, when the new trend function is opened, new trend air inlet air is not through dust removal filter screen subassembly 22 basically and directly gets into wind channel 231. Specifically, the filter screen 222 dust removal assembly slides leftwards to make the air inlet area exposed out of the air duct 231 and the position of the fresh air duct 21 corresponding to the air passing area, namely the position where the air duct 231 is completely opened by the dust removal filter screen assembly 22, be the preferred position of the second position, at this moment, the fresh air inlet air does not pass through the filtering of the dust removal filter screen assembly 22 completely and directly enters the position of the fresh air duct 231, so that the flow resistance of the fresh air inlet air in the air duct 231 is greatly reduced, and the fresh air inlet air volume is effectively increased.
The dust removal filter screen assembly 22 is movably arranged relative to the air duct 231, when the outdoor air quality is good, the dust removal filter screen assembly 22 can be driven to slide through the driving assembly 24, so that the air duct 231 is completely or partially opened, the air resistance of fresh air inlet is reduced, compared with the dust removal filter screen 222 in the existing air conditioner indoor unit, the noise generated during fresh air operation can be reduced on the premise of the same fresh air inlet amount, and the use experience of a user is improved; the fresh air volume can be greatly improved under the condition of the same noise, and the use experience of a user is improved.
When a user needs to replace the dust removal filter screen assembly 22, the driving assembly 24 rotates to drive the dust removal filter screen assembly 22 to slide out of the filter screen accommodating cavity 2311, so that the user can pull out the dust removal filter screen assembly conveniently, and the filter screen 222 is replaced more simply and conveniently.
Referring to fig. 2-11, a primary filter screen 4222 is disposed on the fresh air pipe 21, and the aperture of the primary filter screen 4222 is larger than the aperture of the dust removal filter screen 222, so as to filter some flocs or partial dust with larger volume, and pre-filter the fresh air intake air under the condition of not weakening the fresh air intake air as much as possible, so as to reduce the filth blockage on the dust removal filter screen 222.
Primary filter screen 4222 sets up the indoor side at fresh air pipe 21, is connected for dismantling with fresh air pipe 21 to make things convenient for indoor user to dismantle and wash.
Example 2
Referring to fig. 2 to fig. 13, an embodiment of the present application further provides a control method for a fresh air function of an air conditioner, and it should be noted that the control method for a fresh air function of an air conditioner according to the embodiment of the present application is applicable to the indoor unit of an air conditioner provided in the embodiment of the present application. The following describes a control method of an air conditioning indoor unit according to an embodiment of the present application.
The control method of the fresh air function of the air conditioner in the embodiment comprises the following steps:
and S101, detecting the quality value of the fresh air inlet air when the fresh air function is started.
And S1O 2, controlling the position state of the dedusting filter screen assembly 22 relative to the filter screen accommodating cavity 2311 according to the detected quality value of the fresh air intake air.
According to the control method for the fresh air function of the air conditioner, when the fresh air function is started, the mass value of fresh air and inlet air is detected; according to the detected quality value of the fresh air inlet air, the position state of the dust removal filter screen assembly 22 relative to the filter screen accommodating cavity 2311 is controlled. The problem of can't control the dust removal filter screen subassembly 22 position state according to the air quality automated control of new trend air inlet among the correlation technique is solved. The electrified state of the dust removal filter screen 222 is automatically controlled according to the detected mass value of the fresh air inlet air.
For step S102: the user opens the new trend function, new trend motor 3 operates with the user setting gear, the air conditioner is according to the quality numerical value of the new trend air inlet air that detects, the control removes dust filter screen subassembly 22 holds the position state of chamber 2311 for the filter screen, optionally, in the control method of the air conditioner new trend function that this application embodiment provided, the quality numerical value of new trend air inlet air is through the concentration determination of PM2.5 in the detection new trend air inlet air, this embodiment can detect PM 2.5's concentration in the new trend air inlet air through the PM2.5 tester.
When the mass value C of the fresh air intake air meets the first preset condition S1, the controller energizes the driving assembly 24, so as to control the dust removal filter screen assembly 22 to slide to a position state completely sealed with the air duct 231, namely, a first position, and the dust removal filter screen assembly 22 purifies the air sucked from the outdoor by the fresh air duct 21;
when the mass value of the fresh air intake air meets the second preset condition S2, the controller energizes the driving assembly 24, so as to control the dust removal filter screen assembly 22 to slide to the position state of being partially or completely opened with the air duct 231, i.e., the position two, at this time, a large gap is formed between the dust removal filter screen assembly 22 and the filter screen accommodating cavity 2311, which is no longer in a completely sealed state, and the fresh air intake air in the fresh air duct 21 directly enters the air duct 231 without passing through the dust removal filter screen assembly 22.
The control method further comprises a first air quality preset value C1, the first preset condition S1 is that C is larger than C1, when the mass value C of the fresh air and the inlet air meets the first preset condition S1, the controller energizes the driving assembly 24, so that the dust removal filter screen assembly 22 is controlled to slide to a position state of being completely sealed with the air channel 231, namely, a first position, and the dust removal filter screen assembly 22 purifies the air sucked from the outside by the fresh air pipe 21; the second preset condition S2 is that C is not greater than C1, when the mass value of the fresh air intake air satisfies the second preset condition S2, the controller energizes the driving assembly 24, so as to control the dust removal filter screen assembly 22 to slide to the position two, which is the position state where the dust removal filter screen assembly 22 is partially opened or completely opened with the air duct 231, at this time, a large gap is formed between the dust removal filter screen assembly 22 and the filter screen accommodating cavity 2311, which is no longer in a completely sealed state, and the fresh air intake air in the fresh air duct 21 basically enters the air duct 231 without passing through the dust removal filter screen assembly 22.
In the embodiment, C1 is controlled by PM2.5 detection value, and the preferable value range of C1 is 75-150 ug/m3。
Meanwhile, when the air conditioner or the fresh air function is turned off, the driving assembly 24 rotates to control the dust removing filter screen assembly 22 to slide to a position state completely sealed with the air duct 231, i.e., a first position.
Referring to fig. 2 to 14, in other embodiments of the control method, the fresh air function is an automatic fresh air function, after the user starts the automatic fresh air function, the air conditioner detects the indoor carbon dioxide concentration, and automatically controls the on/off and the rotation speed of the fresh air motor 3 according to the indoor carbon dioxide concentration, that is, the fresh air motor 3 is controlled to operate at a corresponding gear according to the indoor carbon dioxide concentration.
When the mass value of the fresh air inlet air meets the second preset condition S2, the controller energizes the driving assembly 24, so as to control the dust removal filter screen assembly 22 to slide to the position state of being partially or completely opened with the air duct 231, i.e., position two, at this time, a large gap is formed between the dust removal filter screen assembly 22 and the filter screen accommodating cavity 2311 and is no longer in a completely sealed state, the fresh air inlet air in the fresh air duct 21 does not substantially pass through the dust removal filter screen assembly 22 and directly enters the air duct 231, and the controller controls the minimum rotating speed of the fresh air motor 3 to be limited to R2 at this time, so that R1 > R2 is met.
The control method further comprises a first air quality preset value C1, the first preset condition S1 is that C is larger than C1, when the mass value C of the fresh air intake air meets the first preset condition S1, the controller energizes the driving assembly 24, so that the dust removal filter screen assembly 22 is controlled to slide to a position I which is a position state of being completely sealed with the air channel 231, the controller controls the lowest rotating speed of the operation of the fresh air motor 3 to be limited to R1, and the dust removal filter screen assembly 22 purifies the air sucked from the outside by the fresh air pipe 21.
The second preset condition S2 is that C is not greater than C1, when the mass value of the fresh air intake air satisfies the second preset condition S2, the controller energizes the driving assembly 24, so as to control the dust removal filter screen assembly 22 to slide to the position two, which is the position state where the dust removal filter screen assembly 22 is partially or completely opened with the air duct 231, at this time, a large gap is formed between the dust removal filter screen assembly 22 and the filter screen accommodating cavity 2311 and is no longer in a completely sealed state, the fresh air intake air in the fresh air duct 21 does not substantially pass through the dust removal filter screen assembly 22 and directly enters the air duct 231, and the controller controls the minimum rotation speed of the fresh air motor 3 to be limited to R2 at this time, and it is satisfied that R1 is. Make the air conditioner can retrain new trend motor 3 according to dust removal filter screen subassembly 22's position state, when new trend intake flow area is less in wind channel 231, improve new trend motor 3's minimum limited rotational speed to increase new trend intake, satisfy the user to the demand of new trend, improve user's use and experience.
In the embodiment, C1 is controlled by a PM2.5 detection value, and the preferable value range of C1 is 75-150 ug/m 3.
Meanwhile, when the air conditioner or the fresh air function is turned off, the driving assembly 24 rotates to control the dust removing filter screen assembly 22 to slide to a position state completely sealed with the air duct 231, i.e., a first position.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (16)
1. An air conditioning indoor unit, characterized in that: comprises that
A housing;
the heat exchange module is used for refrigerating and heating; and
the fresh air module is used for introducing fresh air from the outside; the fresh air module comprises
The fresh air pipe is used for being communicated with the outside to introduce fresh air;
the filter screen accommodating cavity is arranged between the air inlet of the volute and the fresh air pipe;
the dust removal filter screen assembly is arranged in the filter screen accommodating cavity and is matched and in sliding connection with the filter screen accommodating cavity; and
drive assembly, with dust removal filter screen subassembly cooperation is used for the drive dust removal filter screen subassembly is in the filter screen holds and slides in the chamber, so that dust removal filter screen subassembly is sealed totally or is opened totally or the intercommunication is opened partially the wind channel of new trend pipe, increase new trend intake.
2. An indoor unit of an air conditioner according to claim 1, wherein:
the filter screen holds and is provided with the spout on the chamber, the dust removal filter screen is followed the spout is drawn in the filter screen holds in the chamber, so that be convenient for the dust removal filter screen is followed the spout slides and dismantles or install.
3. An indoor unit of an air conditioner according to claim 1, wherein:
the novel air channel is characterized in that a novel air motor and a fan are arranged in the air channel, and the output of the novel air motor is connected with the fan in a pumping mode and used for driving the fan to rotate so as to introduce novel air indoors.
4. An indoor unit of an air conditioner according to claim 1, wherein:
the driving assembly comprises a stepping motor and a rotating wheel, and an output shaft of the stepping motor is connected with the rotating wheel and is used for driving the rotating wheel to rotate; the rotating wheel is matched with the dust removal filter screen assembly, and the step motor rotates to indirectly drive the dust removal filter screen assembly to slide.
5. An indoor unit of an air conditioner according to claim 4, wherein:
the outside of drive assembly is provided with the fixing base, the upside that the filter screen held the chamber still is provided with the mount pad, the fixing base with mount pad fixed connection will drive assembly fixes on the filter screen holds the chamber.
6. An indoor unit of an air conditioner according to claim 4, wherein:
the upside that the filter screen held the chamber is provided with the via hole, the runner passes through the via hole with the cooperation of dust removal filter screen subassembly, thereby drive the dust removal filter screen subassembly is in the filter screen holds and slides in the chamber.
7. An indoor unit of an air conditioner according to claim 6, wherein:
the dust removal filter screen subassembly includes filter screen frame and filter screen, filter screen frame's top is provided with a plurality of archs, the runner is with a plurality of protruding cooperation to the drive the dust removal filter screen subassembly is in the filter screen holds and slides in the chamber.
8. An indoor unit of an air conditioner according to claim 7, wherein:
the bottom side of the filter screen frame is provided with a roller fixing frame, and rollers are movably connected to the roller fixing frame, so that the dedusting filter screen assembly slides more smoothly in the slide way.
9. An indoor unit of an air conditioner according to claim 1, wherein:
be provided with the primary filter screen on the fresh air pipe, the mesh aperture of primary filter screen is greater than the mesh aperture of dust removal filter screen.
10. An indoor unit of an air conditioner according to claim 9, wherein:
the primary filter screen and the fresh air pipe are detachably connected.
11. A control method of fresh air function of an air conditioner, which is suitable for the indoor unit of the air conditioner as claimed in any one of claims 1 to 10, and is characterized in that the control method comprises the following steps:
when the fresh air function is started, the mass value of the fresh air and the inlet air is detected,
according to the quality numerical value of the fresh air inlet air, the position state of the dust removal filter screen component relative to the filter screen accommodating cavity is controlled.
12. The control method according to claim 11, characterized in that:
the fresh air function in the method is an automatic fresh air function, when the automatic fresh air function is started, the indoor carbon dioxide concentration is detected, and the on-off and the rotating speed of the fresh air motor are automatically controlled according to the indoor carbon dioxide concentration.
13. The control method according to claim 11, characterized in that:
after the fresh air function is closed, the dust removal filter screen assembly is controlled to slide to a position state completely sealed with the air channel.
14. The control method according to claim 11, characterized in that:
the quality numerical value of new trend air inlet air is for confirming through the concentration that detects PM2.5 in the new trend air inlet air.
15. The control method according to claim 11, characterized in that:
when the mass value of the fresh air and the inlet air meets a first preset condition, the controller energizes the driving assembly, so that the dedusting filter screen assembly is controlled to slide to a position state completely sealed with the air channel;
when the mass value of the fresh air inlet air meets a second preset condition, the controller energizes the driving assembly, so that the dust removal filter screen assembly is controlled to slide to a position state where the air channel is partially opened or completely opened.
16. The control method according to claim 15, characterized in that:
when the mass value of the fresh air inlet air meets a first preset condition, the lowest rotating speed of the fresh air motor is limited to R1;
when the mass value of the fresh air inlet air meets a second preset condition, the lowest rotating speed of the fresh air motor is limited to R2.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606174A (en) * | 2021-07-26 | 2021-11-05 | 珠海格力电器股份有限公司 | Fan and control method thereof |
| CN113864866A (en) * | 2021-10-22 | 2021-12-31 | 珠海格力电器股份有限公司 | Air inlet amount control method and device for indoor unit of air conditioner, medium and equipment |
| CN114543171A (en) * | 2022-02-16 | 2022-05-27 | 青岛海信日立空调系统有限公司 | Air conditioner |
| CN114543176A (en) * | 2022-02-16 | 2022-05-27 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN114623497A (en) * | 2022-04-11 | 2022-06-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Fresh air device, air conditioner indoor unit, air conditioner and control method of air conditioner |
| CN114777256A (en) * | 2022-04-11 | 2022-07-22 | 珠海格力电器股份有限公司 | Air conditioner fresh air assembly, control method thereof and air conditioner system |
| CN114811747A (en) * | 2022-04-20 | 2022-07-29 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and control method |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000008790A (en) * | 1998-07-15 | 2000-02-15 | 윤종용 | Duct operation device and control method thereof for airconditioner |
| KR101629864B1 (en) * | 2015-11-12 | 2016-06-13 | 한국공조엔지니어링 주식회사 | The remote control air-conditioner by central controll type with fine dust removal device |
| CN107013976A (en) * | 2017-03-31 | 2017-08-04 | 广东美的制冷设备有限公司 | Indoor apparatus of air conditioner and indoor apparatus of air conditioner control the method that the first screen pack is slided |
| CN108361889A (en) * | 2018-03-06 | 2018-08-03 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN108397829A (en) * | 2018-04-20 | 2018-08-14 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN208042423U (en) * | 2018-02-24 | 2018-11-02 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN108954500A (en) * | 2018-04-28 | 2018-12-07 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN209181118U (en) * | 2018-11-27 | 2019-07-30 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| US20200155992A1 (en) * | 2017-06-26 | 2020-05-21 | Cendori Co., Ltd. | Air-conditioning device having dust removing function |
| CN213019984U (en) * | 2020-08-13 | 2021-04-20 | 海信（山东）空调有限公司 | Air conditioner indoor unit |
-
2020
- 2020-08-13 CN CN202010811244.3A patent/CN111853949B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000008790A (en) * | 1998-07-15 | 2000-02-15 | 윤종용 | Duct operation device and control method thereof for airconditioner |
| KR101629864B1 (en) * | 2015-11-12 | 2016-06-13 | 한국공조엔지니어링 주식회사 | The remote control air-conditioner by central controll type with fine dust removal device |
| CN107013976A (en) * | 2017-03-31 | 2017-08-04 | 广东美的制冷设备有限公司 | Indoor apparatus of air conditioner and indoor apparatus of air conditioner control the method that the first screen pack is slided |
| US20200155992A1 (en) * | 2017-06-26 | 2020-05-21 | Cendori Co., Ltd. | Air-conditioning device having dust removing function |
| CN208042423U (en) * | 2018-02-24 | 2018-11-02 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN108361889A (en) * | 2018-03-06 | 2018-08-03 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN108397829A (en) * | 2018-04-20 | 2018-08-14 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN108954500A (en) * | 2018-04-28 | 2018-12-07 | 青岛海尔空调器有限总公司 | A kind of fresh air conditioner indoor unit |
| CN209181118U (en) * | 2018-11-27 | 2019-07-30 | 广东美的制冷设备有限公司 | Air conditioner indoor unit and air conditioner |
| CN213019984U (en) * | 2020-08-13 | 2021-04-20 | 海信（山东）空调有限公司 | Air conditioner indoor unit |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606174A (en) * | 2021-07-26 | 2021-11-05 | 珠海格力电器股份有限公司 | Fan and control method thereof |
| CN113864866A (en) * | 2021-10-22 | 2021-12-31 | 珠海格力电器股份有限公司 | Air inlet amount control method and device for indoor unit of air conditioner, medium and equipment |
| CN114543171A (en) * | 2022-02-16 | 2022-05-27 | 青岛海信日立空调系统有限公司 | Air conditioner |
| CN114543176A (en) * | 2022-02-16 | 2022-05-27 | 青岛海信日立空调系统有限公司 | Air conditioning equipment |
| CN114623497A (en) * | 2022-04-11 | 2022-06-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Fresh air device, air conditioner indoor unit, air conditioner and control method of air conditioner |
| CN114777256A (en) * | 2022-04-11 | 2022-07-22 | 珠海格力电器股份有限公司 | Air conditioner fresh air assembly, control method thereof and air conditioner system |
| CN114777256B (en) * | 2022-04-11 | 2023-06-30 | 珠海格力电器股份有限公司 | Fresh air component of air conditioner, control method of fresh air component and air conditioning system |
| CN114811747A (en) * | 2022-04-20 | 2022-07-29 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and control method |
| CN114992748A (en) * | 2022-06-20 | 2022-09-02 | 珠海格力电器股份有限公司 | Fresh air device, fresh air conditioner and fresh air device control method |
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Address after: 266000 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Applicant after: Hisense Air Conditioning Co.,Ltd. Address before: 266000 No. 151, Zhuzhou Road, Laoshan District, Shandong, Qingdao Applicant before: HISENSE (SHANDONG) AIR-CONDITIONING Co.,Ltd. |
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