CN212901739U - Fresh air pipe air inlet device and fresh air conditioner - Google Patents
Fresh air pipe air inlet device and fresh air conditioner Download PDFInfo
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- CN212901739U CN212901739U CN202020788928.1U CN202020788928U CN212901739U CN 212901739 U CN212901739 U CN 212901739U CN 202020788928 U CN202020788928 U CN 202020788928U CN 212901739 U CN212901739 U CN 212901739U
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Abstract
The utility model discloses a fresh air duct hot blast blowpipe and fresh air conditioner relates to the air conditioner field, and its technical scheme main points include fresh air duct and valve component, and the valve component includes interior sleeve pipe, and interior bushing is in fresh air duct one end, including the sleeve pipe along the angle such as circumferencial direction seted up a plurality of first air intakes, first air intake can be opened or closed simultaneously. Through the first air inlets evenly arranged on the side wall of the inner sleeve, after the fresh air pipe is pumped into fresh air from the outside, the fresh air can be evenly released into the air conditioner through the first air inlets, and the fresh air can be quickly mixed into indoor air.
Description
Technical Field
The utility model relates to an air conditioner field, concretely relates to new trend tuber pipe hot blast blowpipe device and new trend air conditioner.
Background
The air conditioner that has the introduction new trend at present is outstanding in the aspect of solving indoor air pollution, is connected with a fresh air pipe promptly on the air conditioner, and the one end that the fresh air pipe intake is located outdoors, and when the air conditioner used, through the fresh air pipe, with outdoor fresh air suction air conditioner in, the air conditioner heats fresh air or refrigerates the back and discharges into indoor to improve indoor air environment.
The fresh air pipe is provided with a valve in the prior art, the valve is provided with an air inlet, whether fresh air is input into the air conditioner by the fresh air pipe is controlled through the valve, the air inlet in the prior art is positioned on one side edge of the valve, and therefore the fresh air input from the air inlet is positioned on one side of the valve, and air inlet is uneven.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model discloses a fresh air pipe hot blast blowpipe and fresh air conditioner, after the fresh air of fresh air pipe suction, the fresh air that is arranged into in the air conditioner by the air intake is more even.
According to the embodiment of the utility model provides a fresh air pipe hot blast blowpipe apparatus, including fresh air pipe and valve member, the valve member includes interior sleeve pipe, interior sleeve pipe is connected fresh air pipe one end interior sleeve pipe has seted up a plurality of first air intakes along angles such as circumferencial direction, first air intake can be opened or closed simultaneously.
Through adopting above-mentioned technical scheme, through the first air intake evenly seted up at interior sleeve pipe circumferencial direction, when first air intake was opened, fresh air sent into the air conditioner by first air intake after advancing the fresh air pipe, because the outside of sheathed tube including a plurality of first air intakes evenly set up, when air through first air intake, can evenly the air inlet.
Preferably, the outer sleeve is sleeved on the outer side of the inner sleeve and can rotate relative to the inner sleeve; the outer sleeve is provided with second air inlets along the circumferential direction, and the second air inlets correspond to the first air inlets one by one; when the first air inlet and the second air inlet are overlapped, the first air inlet is opened, and when the first air inlet and the second air inlet are completely staggered, the first air inlet is closed.
By adopting the technical scheme, the second air inlets are uniformly formed in the outer sleeve in the circumferential direction, when the outer sleeve rotates, the first air inlets can be overlapped or staggered, and when the outer sleeve is in an overlapped state, the fresh air pipe can provide fresh air to the inside of the air conditioner. When the first air inlet and the second air inlet are in a completely staggered state, the fresh air pipe is in a closed state. Because the first air inlet and the second air inlet are uniformly formed in the circumferential direction, when fresh air is blown out from the second air inlet, the fresh air provides relatively uniform fresh air towards the periphery of the end part of the fresh air pipe, so that after entering the air conditioner, the fresh air in the air flow is relatively uniform, and when the air conditioner is subjected to heat exchange, the fresh air is blown out relatively uniformly.
Preferably, an arc-shaped shielding plate is formed between two adjacent second air inlets, and when the arc-shaped shielding plate covers the first air inlet, the arc-shaped shielding plate closes the first air inlet.
Through adopting above-mentioned technical scheme, through the arc shielding plate that forms between two second air intakes, when the outer tube was rotatory, the first air intake can be sheltered from to the arc shielding plate to, the degree of opening of the first air intake of control that can be timely, nimble when the outer tube rotates, simultaneously, the control intake.
Preferably, a driving assembly is arranged on the outer sleeve, and the driving assembly drives the outer sleeve to rotate.
Through adopting above-mentioned technical scheme, when using, the drive assembly through setting up controls the outer tube and rotates to control first air intake degree of opening, or whether open.
Preferably, the driving assembly comprises a rack, a gear and a driving motor, the rack is fixed on the outer sleeve, the gear is arranged on an output shaft of the driving motor, the gear is meshed with the rack, and when the gear rotates, the rack drives the outer sleeve to rotate.
Through adopting above-mentioned technical scheme, when driving motor during operation, driving motor drives the gear and rotates, because gear and rack intermeshing, the gear drives the rack removal when rotating, and the rack drives the outer tube at the removal in-process and rotates.
Preferably, one end of the fresh air pipe close to the first air inlet is connected with an air conditioner back panel, and the air conditioner back panel is communicated with the air conditioner; the inner side of the back panel of the air conditioner is provided with a blowing component, and the blowing component blows fresh air sent by a fresh air pipe into the air conditioner.
Through adopting above-mentioned technical scheme, can blow in the fresh air that the fresh air pipe sent into through the subassembly of blowing that sets up inside the air conditioner, strengthen the intensity of fresh air pipe air inlet to a certain extent, simultaneously, because the fresh air of fresh air pipe input in second air inlet department is even, consequently when the subassembly of blowing blows in the inside back of air conditioner with fresh air, fresh air is more even in the air current to, when the air conditioner was to indoor taking a breath, fresh air was more even at indoor distribution.
Preferably, the blowing assembly comprises an axial flow fan fixed on the inner side of the rear wall plate of the air conditioner.
Preferably, an air duct is formed between the axial flow fan and the second air inlet, the blowing assembly comprises a second filter screen, and the second filter screen is arranged on the air duct.
Through adopting above-mentioned technical scheme, the second filter screen through setting up can filter the air of fresh air pipe input, avoids inside too much impurity gets into the air conditioner.
Preferably, the end of the fresh air pipe far away from the valve component along the length direction is provided with a fresh air inlet, and the fresh air inlet is provided with a first filter screen.
According to the embodiment of the utility model provides a fresh air conditioner is still provided, including the fresh air duct hot blast blowpipe apparatus of above-mentioned arbitrary item.
The utility model discloses following beneficial effect has:
1. through the first air intake that evenly seted up at interior sleeve pipe circumferencial direction, when first air intake was opened, fresh air sent into the air conditioner by first air intake after advancing the fresh air pipe, because the outside of sleeve pipe including a plurality of first air intakes evenly set up, when the air passes through first air intake, can evenly the air inlet.
2. The second air inlets are uniformly formed in the outer sleeve in the circumferential direction, when the outer sleeve rotates, the first air inlets can be overlapped or staggered, and when the outer sleeve is in an overlapped state, the fresh air pipe can provide fresh air for the air conditioner. When the first air inlet and the second air inlet are in a completely staggered state, the fresh air pipe is in a closed state. Because the first air inlet and the second air inlet are uniformly formed in the circumferential direction, when fresh air is blown out from the second air inlet, the fresh air provides relatively uniform fresh air towards the periphery of the end part of the fresh air pipe, so that after entering the air conditioner, the fresh air in the air flow is relatively uniform, and when the air conditioner is subjected to heat exchange, the fresh air is blown out relatively uniformly.
3. Inside the fresh air that can send into the fresh air pipe through the subassembly of blowing that sets up blew in the air conditioner, strengthen the intensity of fresh air pipe air inlet to a certain extent, simultaneously, because the fresh air of fresh air pipe input in second air inlet department is even, consequently blew in the inside back of air conditioner with fresh air when the subassembly of blowing, fresh air is more even in the air current to, when the air conditioner was taken a breath to indoor, fresh air was more even at indoor distribution.
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 should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a schematic view of the overall structure of a fresh air duct air intake device of the present invention;
fig. 2 is a schematic view of the protruded valve component of the new wind pipe air intake device of the present invention;
fig. 3 is a cross-sectional view of the fresh air duct air intake device of the present invention, which protrudes from the direction of a-a in fig. 2, and when the fresh air duct is closed;
fig. 4 is a cross-sectional view of the fresh air duct air intake device of the present invention protruding from the direction of a-a in fig. 2 and when the fresh air duct is opened;
fig. 5 is an explosion diagram of the protruding rear cover plate of the new wind pipe air intake device of the present invention.
Description of the reference numerals
100. A fresh air duct; 110. a fresh air inlet; 120. a first filter screen;
200. a valve assembly; 210. an inner sleeve; 211. a first air inlet; 220. an outer sleeve; 221. a second air inlet; 222. an arc-shaped shielding plate; 230. a drive assembly; 231. a rack; 232. a gear; 233. A drive motor;
300. a rear coaming of the air conditioner; 310. an air duct; 320. a rear cover plate; 321. mounting holes;
400. a blowing assembly; 410. an axial flow fan; 420. a second filter.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model discloses a fresh air duct hot blast blowpipe apparatus, as shown in fig. 1-3, including fresh air duct 100 and valve component 200, fresh air duct 100 one end is new trend entry 110, and when using, new trend entry 110 is located outdoors for insert fresh air. A first filter 120 is disposed at one end of the fresh air inlet 110. The first filter screen 120 can perform preliminary filtering on outdoor air, so as to prevent impurities from entering the fresh air duct 100 and prevent the fresh air duct 100 from being blocked. The valve assembly 200 is disposed at an end of the fresh air duct 100 away from the fresh air inlet 110, and is used for controlling whether the fresh air duct 100 discharges fresh air into the air conditioner. Be connected through air conditioner back panel 300 between fresh air duct 100 and the air conditioner, air conditioner back panel 300 is fixed on the air conditioner, and fresh air duct 100 keeps away from that the one end of fresh air entry 110 is located inside air conditioner back panel 300, and fresh air is got into by fresh air duct 100, transmits to the air conditioner after air conditioner back panel 300 is inside.
Referring to fig. 2-4, the valve assembly 200 includes an inner sleeve 210, the inner sleeve 210 is connected to the fresh air pipe 100 in a sealing manner, and specifically, the inner sleeve 210 may be connected to the fresh air pipe 100 in a threaded manner or in an interference fit manner. When a threaded connection is used, a sealing effect can be achieved by providing a gasket between the fresh air duct 100 and the inner sleeve 210. The interference fit is fixed in such a way that the two are mutually abutted, and the inner sleeve 210 cannot slide along the central line direction. The sealing means that air cannot pass through between the inner sleeve 210 and the fresh air pipe 100 or that air cannot substantially pass through the gap between the inner sleeve 210 and the fresh air pipe 100. The end of the inner sleeve 210 is in a sealed state, and the inner sleeve 210 is provided with a first air inlet 211, wherein the first air inlet 211 is provided with a plurality of, for example, eight first air inlets 211 at equal angles in the circumferential direction of the inner sleeve 210, and the intervals between two adjacent first air inlets 211 in the eight first air inlets 211 are the same. The first intake ports 211 may be simultaneously opened or closed. The first air inlet 211 may communicate with the inside of the fresh air duct 100. When fresh air enters from the fresh air inlet 110, the fresh air is exhausted from the fresh air pipe 100 through the first air inlet 211. Since the plurality of first air inlets 211 are uniformly disposed at the outer side of the inner sleeve 210, air can be uniformly supplied when the air passes through the first air inlets 211.
The outer sleeve 220 is sleeved outside the inner sleeve 210, and the outer sleeve 220 and the inner sleeve 210 can rotate relatively. The outer sleeve 220 is provided with a plurality of second air inlets 221, the second air inlets 221 are arranged in the outer sleeve 220 at equal angles along the circumferential direction, the number of the second air inlets 221 is the same as that of the first air inlets 211, and each second air inlet 221 corresponds to one first air inlet 211. When the outer sleeve 220 rotates, the second air inlet 221 rotates with the outer sleeve 220, and can rotate to a state of being completely overlapped with or completely dislocated from the first air inlet 211, and when the second air inlet is completely dislocated, the first air inlet 211 is closed. During normal operation, the outer sleeve 220 and the inner sleeve 210 do not slide relatively along the central line direction, that is, the first air inlet 211 and the second air inlet 221 are prevented from being dislocated along the central line direction of the outer sleeve 220, so as to ensure that the first air inlet 211 and the second air inlet 221 have a larger overlapping area. In order to meet the above requirement, one end of the outer sleeve 220 along the central line direction is provided with a sealing cover, and the end of the outer sleeve 220 provided with the sealing cover is limited, so that the outer sleeve 220 does not displace along the central line direction.
An arc-shaped shielding plate 222 is formed between two adjacent second air inlets 221, and when the second air inlets 221 rotate, the arc-shaped shielding plate 222 can completely shield the first air inlets 211, open a part of the first air inlets 211, or completely open the first air inlets 211 during the rotation process. When the arc-shaped shielding plate 222 shields the first air inlet 211, the first air inlet 211 is closed. Through the arc-shaped shielding plate 222, when the outer sleeve 220 rotates to open or close the first air inlets 211, all the first air inlets 211 can be opened or closed only by relatively rotating by a small angle, that is, by an arc of the first air inlets 211. In the using process, since all the first air inlets 211 are opened synchronously, when the first air inlets 211 are opened, the fresh air in the fresh air duct 100 can be discharged from each first air inlet 211 at the same time, and then discharged into the air conditioner through each second air inlet 221. Due to the first air inlet 211 and the second air inlet 221 which are uniformly arranged in the circumferential direction at the end of the fresh air duct 100, when the fresh air is exhausted, the fresh air can uniformly enter the inside of the air conditioner.
A driving assembly 230 for driving the outer sleeve 220 to rotate is disposed on the outer sleeve 220. The driving assembly 230 includes a rack 231, a gear 232, and a driving motor 233.
The rack 231 is fixed on the outer sleeve 220, and the rack 231 is arc-shaped, that is, covers the outer sleeve 220, and the concave side of the rack 231 is located at the side close to the outer sleeve 220, and the fixing manner can be a welding manner or a bolt fixing manner, which is not limited herein. Because the outer sleeve 220 only needs to rotate by an angle corresponding to the radian of the first air inlet 211, the radian of the rack 231 only needs to satisfy the requirement that the outer sleeve 220 can completely shield or completely open the first air inlet 211 when rotating. The driving motor 233 is fixed on the back panel 300 of the air conditioner, and the gear 232 is located on the output shaft of the driving motor 233, and when the driving motor 233 works, the gear 232 is driven to rotate by a certain angle.
The driving assembly 230 can also adopt chain transmission or belt transmission besides the mode of using the gear 232 for transmission, when the chain transmission or the belt transmission is adopted, a driven sprocket or a driven pulley is arranged on the outer side of the outer sleeve, a driving sprocket or a driving pulley is sleeved on an output shaft of the driving motor, and the driving sprocket and the driving pulley are connected through a chain or a belt, so that transmission is carried out.
As shown in fig. 1 to 5, an air duct 310 is disposed inside the rear cover plate 320, one end of the air duct 310 is used for receiving fresh air, and the other end is communicated with an air conditioner heat exchanger. The rear cover plate 320 is arranged on the air conditioner back panel 300 and can be opened, the rear cover plate 320 can be installed on the air conditioner back panel 300 in a bolt fixing mode, a sealing structure is arranged between the rear cover plate 320 and the air conditioner back panel 300, the sealing structure at the position can be a sealing gasket, a sealing glue and the like, and the air conditioner back panel 300 can be used as long as fresh air is prevented from leaking out through a gap between the rear cover plate 320 and the air conditioner back panel 300 after entering the air duct 310.
The rear cover plate 320 is provided with a mounting hole 321, the fresh air duct 100 is inserted through the mounting hole 321, and the inner sleeve 210 and the outer sleeve 220 are located inside the air duct 310. The driving motor 233 may be fixed to the rear cover 320 or to the inner wall of the air duct 310. The inner sleeve 210 and the outer sleeve 220 can be placed in the space in the air duct 310, and after the outer sleeve 220 is installed, the end of the outer sleeve 220 can be limited, so that relative sliding between the outer sleeve 220 and the inner sleeve 210 along the central line direction of the outer sleeve 220 cannot occur. Meanwhile, the mounting hole 321 is connected with the fresh air duct 100 in a sealing manner, which means that fresh air is not or substantially not discharged through a gap between the mounting hole 321 and the fresh air duct 100 after entering the air duct 310. When the mounting hole 321 is opened, the diameter of the mounting hole 321 is close to the diameter of the fresh air duct 100, or a sealing rubber ring is provided in the mounting hole 321.
A blowing assembly 400 is provided at an inner side of the rear panel 300 of the air conditioner, and the blowing assembly 400 blows fresh air fed from the fresh air duct 100 into the inside of the air conditioner. The blowing assembly 400 includes an axial flow fan 410 fixed inside the rear wall 300 of the air conditioner, and a second filter 420, and the second filter 420 is disposed on the air duct 310 between the axial flow fan 410 and the second air inlet 221. After fresh air pipe 100 blows in wind channel 310 with external fresh air, axial fan 410 can carry fresh air to the air conditioner inside fast, strengthen the intensity of fresh air pipe 100 air inlet to a certain extent, simultaneously, because fresh air pipe 100 is even at the input of second air intake 221 department, consequently, blow subassembly 400 with fresh air blow in the inside back of air conditioner, fresh air is more even in the air current, thereby, when the air conditioner was to indoor taking a breath, fresh air can be quick distribution in indoor.
Wherein, the second filter 420 may use a HAPA net. The filter density of second filter 420 is greater than the filter density of first filter 120. The air input by the fresh air duct 100 can be filtered for the second time through the second filter screen 420, so that excessive impurities are prevented from entering the air conditioner.
The utility model also provides a new trend air conditioner, including foretell new trend pipe hot blast blowpipe apparatus. Fresh air is sucked into the air conditioner from the outside by the fresh air pipe air inlet device, and the air conditioner discharges the fresh air to the indoor after heat exchange, so that the indoor air is optimized.
In the description of the present invention, it should be noted that the terms "center", "upper", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In the case of conflict, the embodiments and features of the embodiments of the present invention can be combined with each other. In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a fresh air pipe hot blast blowpipe device, includes fresh air pipe (100) and valve assembly (200), its characterized in that: the valve assembly (200) comprises an inner sleeve (210), the inner sleeve (210) is connected to one end of the fresh air pipe (100), a plurality of first air inlets (211) are formed in the inner sleeve (210) at equal angles along the circumferential direction, and the first air inlets (211) can be opened or closed simultaneously.
2. The fresh air duct air intake device of claim 1,
an outer sleeve (220) is sleeved on the outer side of the inner sleeve (210), and the outer sleeve (220) can rotate relative to the inner sleeve (210); the outer sleeve (220) is provided with second air inlets (221) along the circumferential direction, and the second air inlets (221) correspond to the first air inlets (211) one by one;
when the positions of the first air inlet (211) and the second air inlet (221) are overlapped, the first air inlet (211) is opened, and when the first air inlet (211) and the second air inlet (221) are completely staggered, the first air inlet (211) is closed.
3. The fresh air duct air intake device of claim 2,
an arc-shaped shielding plate (222) is formed between two adjacent second air inlets (221), and when the arc-shaped shielding plate (222) covers the first air inlet (211), the arc-shaped shielding plate (222) closes the first air inlet (211).
4. The fresh air duct air intake device of claim 2,
the outer sleeve (220) is provided with a driving assembly (230), and the driving assembly (230) drives the outer sleeve (220) to rotate.
5. The fresh air duct air intake device of claim 4,
the driving assembly (230) comprises a rack (231), a gear (232) and a driving motor (233), the rack (231) is fixed on the outer sleeve (220), the gear (232) is arranged on an output shaft of the driving motor (233), the gear (232) is meshed with the rack (231), and when the gear (232) rotates, the rack (231) drives the outer sleeve (220) to rotate.
6. The fresh air duct air intake device of claim 1,
one end, close to the first air inlet (211), of the fresh air pipe (100) is connected with an air conditioner back panel (300), and the air conditioner back panel (300) is communicated with an air conditioner; the inner side of the back panel (300) of the air conditioner is provided with a blowing assembly (400), and the blowing assembly (400) blows fresh air sent by the fresh air pipe (100) into the air conditioner.
7. The fresh air duct air intake device of claim 6,
the blowing assembly (400) comprises an axial flow fan (410) fixed on the inner side of the rear enclosing plate (300) of the air conditioner.
8. The fresh air duct air intake device of claim 7,
an air duct (310) is formed between the axial flow fan (410) and the second air inlet (221), the blowing assembly (400) comprises a second filter screen (420), and the second filter screen (420) is arranged on the air duct (310).
9. The fresh air duct air intake device of claim 1,
the fresh air pipe (100) is provided with a fresh air inlet (110) along one end of the length direction far away from the valve component (200), and a first filter screen (120) is arranged at the position of the fresh air inlet (110).
10. A fresh air conditioner, characterized in that, comprises the fresh air duct air intake device of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020788928.1U CN212901739U (en) | 2020-05-13 | 2020-05-13 | Fresh air pipe air inlet device and fresh air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020788928.1U CN212901739U (en) | 2020-05-13 | 2020-05-13 | Fresh air pipe air inlet device and fresh air conditioner |
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| Publication Number | Publication Date |
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| CN212901739U true CN212901739U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020788928.1U Active CN212901739U (en) | 2020-05-13 | 2020-05-13 | Fresh air pipe air inlet device and fresh air conditioner |
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| CN (1) | CN212901739U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587238A (en) * | 2021-09-01 | 2021-11-02 | 美的集团武汉暖通设备有限公司 | Air conditioner indoor unit, control method, control device, air conditioner and storage medium |
-
2020
- 2020-05-13 CN CN202020788928.1U patent/CN212901739U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113587238A (en) * | 2021-09-01 | 2021-11-02 | 美的集团武汉暖通设备有限公司 | Air conditioner indoor unit, control method, control device, air conditioner and storage medium |
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