CN108458409B - Indoor unit of air conditioner and air conditioner - Google Patents
Indoor unit of air conditioner and air conditioner Download PDFInfo
- Publication number
- CN108458409B CN108458409B CN201810436775.1A CN201810436775A CN108458409B CN 108458409 B CN108458409 B CN 108458409B CN 201810436775 A CN201810436775 A CN 201810436775A CN 108458409 B CN108458409 B CN 108458409B
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- China
- Prior art keywords
- air
- air outlet
- indoor unit
- air flow
- casing
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- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 description 9
- 230000002457 bidirectional effect Effects 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
Images
Classifications
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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
- F24F1/0011—Indoor units, e.g. fan coil units characterised by air outlets
- F24F1/0014—Indoor units, e.g. fan coil units characterised by air outlets having two or more outlet openings
-
- 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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0022—Centrifugal or radial fans
-
- 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
- F24F1/0018—Indoor units, e.g. fan coil units characterised by fans
- F24F1/0033—Indoor units, e.g. fan coil units characterised by fans having two or more fans
-
- 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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/081—Air-flow control members, e.g. louvres, grilles, flaps or guide plates for guiding air around a curve
-
- 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
- F24F13/24—Means for preventing or suppressing noise
-
- 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
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Air-Flow Control Members (AREA)
- Air-Conditioning Room Units, And Self-Contained Units In General (AREA)
Abstract
The invention provides an air conditioner indoor unit and an air conditioner. The indoor unit of the air conditioner comprises a casing, wherein the casing is provided with an air inlet, an upper air outlet and a lower air outlet below the upper air outlet, an air flow driving device is arranged in the casing and consists of a set of first air flow driving device and a set of second air flow driving device, the first air flow driving device is provided with a first air outlet and a second air outlet which are opposite in direction, the second air flow driving device is provided with a third air outlet, the first air flow driving device and the second air flow driving device are sequentially arranged along the height direction of the casing, and the first air flow driving device and/or the second air flow driving device can suck air in the air inlet into the casing during operation and discharge the air through the upper air outlet and/or the lower air outlet. According to the air conditioner indoor unit and the air conditioner, the installation space in the indoor unit shell can be saved, and the manufacturing cost of the air conditioner is obviously reduced.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to an air conditioner indoor unit and an air conditioner.
Background
The patent application with publication number CN105135527A discloses an air conditioner indoor unit and a control method thereof, and the air conditioner indoor unit comprises: the shell is provided with an air inlet, an upper air outlet and a lower air outlet positioned below the upper air outlet; the upper fan component is arranged at the upper part in the shell and is used for sucking air into the shell from the air inlet and discharging the air from the upper air outlet; the lower fan component is arranged at the lower part in the shell and is used for sucking air into the shell from the air inlet and discharging the air from the lower air outlet; the indoor unit further includes: the air guide mechanism is arranged between the lower fan part air outlet and the lower air outlet and is used for enabling air exhausted from the lower fan part air outlet to be exhausted from the lower air outlet or the upper air outlet. When in a refrigerating mode, the air exhausted from the air outlet of the lower fan part is exhausted from the upper air outlet, so that the efficiency of the indoor heat exchanger can be exerted to the maximum extent, the loss of air quantity is greatly reduced, and the comfort and the performance of the whole machine are ensured.
The air conditioner indoor unit disclosed by the technical scheme is composed of two unidirectional centrifugal fan blades and one bidirectional centrifugal fan blade, so that the manufacturing cost of the corresponding indoor unit is greatly increased, and meanwhile, the air conditioner indoor unit needs enough space to realize the two unidirectional centrifugal fan blades and the one bidirectional centrifugal fan blade, so that the size of an indoor unit shell is huge.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to provide the air conditioner indoor unit and the air conditioner, which can save the installation space in the indoor unit shell and obviously reduce the manufacturing cost of the air conditioner.
In order to solve the problems, the invention provides an indoor unit of an air conditioner, which comprises a casing, wherein the casing is provided with an air inlet, an upper air outlet and a lower air outlet below the upper air outlet, an air flow driving device is arranged in the casing, the air flow driving device consists of a set of first air flow driving device and a set of second air flow driving device, the first air flow driving device is provided with a first air outlet and a second air outlet which are opposite in direction, the second air flow driving device is provided with a third air outlet, the first air flow driving device and the second air flow driving device are sequentially arranged along the height direction of the casing, and the first air flow driving device and/or the second air flow driving device can suck air in the air inlet into the casing during operation and discharge the air through the upper air outlet and/or the lower air outlet.
Preferably, the first airflow driving device comprises a bidirectional centrifugal fan.
Preferably, the second airflow driving device comprises a unidirectional centrifugal fan.
Preferably, the second airflow driving device is located on an air outlet path of the first air outlet, and an air outlet direction of the third air outlet is the same as an air outlet direction of the first air outlet.
Preferably, the air conditioner indoor unit further comprises an air port selection part between the second air outlet and the lower air outlet to selectively turn on or off the lower air outlet.
Preferably, the tuyere selection means comprises a blocking plate movable between a first position and a second position, when the blocking plate is in the first position, the air flow of the second air outlet being discharged from the casing through the lower air outlet; when the stop plate is at the second position, the air flow of the second air outlet is discharged out of the shell through the upper air outlet.
Preferably, the stop plate comprises a vertical stop part and a flow guiding part, wherein the flow guiding part is arranged at the upper end of the vertical stop part, and when the stop plate is positioned at the first position, the flow guiding part is positioned at the third position so as to guide the air flow of the second air outlet to be discharged out of the casing through the lower air outlet; when the stop plate is at the second position, the flow guiding part is at the fourth position so as to guide the air flow of the second air outlet to be discharged out of the casing through the upper air outlet.
Preferably, the flow guiding part is of an arc-shaped structure.
Preferably, the first air outlet faces the upper air outlet.
The invention also provides an air conditioner comprising the air conditioner indoor unit.
According to the air conditioner indoor unit and the air conditioner, the airflow driving device is simplified into the first airflow driving device and the second airflow driving device by the two unidirectional fans and the two-way fan in the prior art, namely, the purchase cost of at least one unidirectional fan is saved, so that the design and manufacturing cost of the air conditioner indoor unit is greatly reduced, in addition, the unidirectional fan is saved, so that the space in the air conditioner indoor unit shell is obviously increased, the design is reduced by the aid of the indoor unit shell, and on the other hand, the airflow of the airflow driving device circulates inside the shell more smoothly.
Drawings
Fig. 1 is a schematic cross-sectional view of an indoor unit of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of the other view of FIG. 1;
fig. 3 is a schematic cross-sectional view of an indoor unit of an air conditioner according to another embodiment of the present invention (a lower air outlet is closed);
fig. 4 is a schematic cross-sectional view of an indoor unit of an air conditioner according to another embodiment of the present invention (a lower air outlet is opened).
The reference numerals are expressed as:
1. a housing; 11. an air inlet; 12. an upper air outlet; 13. a lower air outlet; 2. a first airflow driving device; 21. a first air outlet; 22. a second air outlet; 23. a bidirectional centrifugal fan; 3. a second air flow driving device; 31. a third air outlet; 32. a unidirectional centrifugal fan; 4. a tuyere selection part; 41. a cutoff plate; 411. a vertical cut-off; 412. and a flow guiding part.
Detailed Description
Referring to fig. 1 to 4, according to an embodiment of the present invention, an indoor unit of an air conditioner includes a casing 1, the casing 1 has an air inlet 11, an upper air outlet 12, and a lower air outlet 13 below the upper air outlet 12, an air flow driving device is disposed in the casing 1, the air flow driving device is composed of a set of first air flow driving devices 2 and a set of second air flow driving devices 3, the first air flow driving devices 2 have a first air outlet 21 and a second air outlet 22 opposite to each other, the second air flow driving devices 3 have a third air outlet 31, the first air flow driving devices 2 and the second air flow driving devices 3 are sequentially disposed along a height direction of the casing 1, and when the first air flow driving devices 2 and/or the second air flow driving devices 3 operate, air in the air inlet 11 can be sucked into the casing 1 and discharged through the upper air outlet 12 and/or the lower air outlet 13. According to the technical scheme, the two unidirectional fans and the two-way fan in the prior art are reduced to the first airflow driving device 2 and the second airflow driving device 3, namely, the purchase cost of at least one unidirectional fan is saved, so that the design and manufacturing cost of the indoor unit of the air conditioner is greatly reduced.
In order to further reduce the development and design cost and the design and modification cost of the existing model, preferably, the first airflow driving device 2 includes a bidirectional centrifugal fan 23; the second air flow driving device 3 comprises a unidirectional centrifugal fan 32.
In order to prevent the noise caused by the collision between the air outlets of the first air flow driving device 2 and the second air flow driving device 3, preferably, the second air flow driving device 3 is located on the air outlet path of the first air outlet 21, and the air outlet direction of the third air outlet 31 is the same as the air outlet direction of the first air outlet 21, at this time, the air flow in the third air outlet 31 and the air flow of the first air outlet 21 are in the same direction, so that the noise phenomenon caused by the collision of the air flow inside the casing 1 is avoided to a great extent.
For the cabinet air conditioner, in order to further improve the user experience of the air flow for cooling or heating, it is preferable that the air conditioner indoor unit further includes an air port selection part 4, and the air port selection part 4 is located between the second air outlet 22 and the lower air outlet 13, so as to selectively open or close the lower air outlet 13. Specifically, in order to prevent the cold air at the air outlet of the air conditioner from directly contacting with the user and affecting the comfort of the user under the refrigeration condition, at this time, the second air outlet 22 and the lower air outlet 13 may be selectively closed by the air outlet selecting part 4, so that the refrigeration air flow is forced to be discharged only from the upper air outlet 12; under the heating working condition, the positions of the air port selection part 4 away from the lower air outlet 13 are quite opposite, so that the second air outlet 22 is communicated with the lower air outlet 13, and the heating air flow can simultaneously act on the space through the upper air outlet 12 and the lower air outlet 13, thereby forming a heating effect from top to bottom for a user and further improving the comfort level of the user.
As a specific embodiment of the tuyere selection means 4, preferably, the tuyere selection means 4 comprises a blocking plate 41, the blocking plate 41 being movable between a first position and a second position, when the blocking plate 41 is in the first position, the air flow of the second air outlet 22 is discharged from the casing 1 through the lower air outlet 13; when the stop plate 41 is at the second position, the air flow of the second air outlet 22 is discharged from the casing 1 through the upper air outlet 12, and the stop plate 41 has a simple structure and is easy to process, and meanwhile, the production and manufacturing costs of the air conditioner are reduced.
In order to further improve the smoothness of the airflow in the casing 1, it is preferable that the blocking plate 41 includes a vertical blocking portion 411 and a guiding portion 412, the guiding portion 412 is disposed at an upper end of the vertical blocking portion 411, and when the blocking plate 41 is in the first position, the guiding portion 412 is in the third position to guide the airflow of the second air outlet 22 to be discharged from the casing 1 through the lower air outlet 13; when the stop plate 41 is at the second position, the guiding portion 412 is at the fourth position to guide the airflow from the second air outlet 22 to be discharged from the upper air outlet 12 out of the casing 1, and further, the guiding portion 412 has an arc-shaped structure. Specifically, as shown in fig. 3 (the arrow in the drawing shows the airflow direction of the second air outlet 22), when the lower air outlet 13 is closed by the vertical stop portion 411, that is, when the stop plate 41 is in the second position, the flow guiding portion 412 moves toward the vertical stop portion 411 to the fourth position, and since the concave position of the arc-shaped structure of the flow guiding portion 412 faces the second air outlet 22, the airflow of the second air outlet 22 is guided upward along the arc-shaped structure after blowing to the concave position, that is, this is beneficial for the airflow to flow toward the upper air outlet 12; as shown in fig. 4 (the arrow in the drawing shows the airflow direction of the second air outlet 22), when the lower air outlet 13 is in the open state, that is, when the stop plate 41 is in the first position, the guide portion 412 moves toward the vertical stop portion 411 to the third position, because the protruding position of the arc-shaped structure of the guide portion 412 faces the second air outlet 22, when the airflow of the second air outlet 22 blows to the protruding position, the airflow is guided downward along the arc-shaped structure, that is, the airflow is favorable to flow toward the lower air outlet 13, and therefore, the stop plate 41 adopting the guide portion 412 can play a guide role for the airflow of the second air outlet 22 under the cooling or heating condition, so that the airflow fluency in the casing 1 is improved, which can reduce the requirements of the first airflow driving device 2 and the second airflow driving device 3 for driving power, and can greatly reduce the energy consumption loss of the air conditioner, and has stronger environmental protection.
Preferably, the first air outlet 21 faces the upper air outlet 12, and at this time, the air flow in the first air outlet 21 can be more smoothly discharged out of the air conditioner through the upper air outlet 12, so as to prevent the air flow of the first air outlet 21 from being blocked by the second air flow driving device 3 when being blown out of the upper air outlet 12, thereby causing unnecessary air resistance loss.
The invention also provides an air conditioner comprising the air conditioner indoor unit.
It will be readily appreciated by those skilled in the art that the above advantageous ways can be freely combined and superimposed without conflict.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention. The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (7)
1. The indoor unit of the air conditioner is characterized by comprising a casing (1), wherein the casing (1) is provided with an air inlet (11), an upper air outlet (12) and a lower air outlet (13) positioned below the upper air outlet (12), an air flow driving device is arranged in the casing (1), the air flow driving device consists of a set of first air flow driving devices (2) and a set of second air flow driving devices (3), the first air flow driving devices (2) are provided with first air outlets (21) and second air outlets (22) which are opposite in direction, the second air flow driving devices (3) are provided with third air outlets (31), the first air flow driving devices (2) and the second air flow driving devices (3) are sequentially arranged along the height direction of the casing (1), and the first air flow driving devices (2) and/or the second air flow driving devices (3) can suck air in the air inlet (11) into the casing (1) and pass through the upper air outlets (12) and/or the lower air outlets (13) when in operation; the air outlet device further comprises an air outlet selecting component (4), wherein the air outlet selecting component (4) is positioned between the second air outlet (22) and the lower air outlet (13) so as to selectively conduct or close the lower air outlet (13); the air port selection component (4) comprises a stop plate (41), the stop plate (41) can move between a first position and a second position, and when the stop plate (41) is in the first position, air flow of the second air port (22) is discharged out of the casing (1) through the lower air port (13); when the stop plate (41) is at the second position, the air flow of the second air outlet (22) is discharged out of the shell (1) through the upper air outlet (12); the stop plate (41) comprises a vertical stop part (411) and a guide part (412), the guide part (412) is of an arc-shaped structure, the guide part (412) is arranged at the upper end of the vertical stop part (411), when the stop plate (41) is positioned at a first position, namely when the lower air outlet (13) is in an open state, the guide part (412) moves to a third position towards the vertical stop part (411), and as the protruding position of the arc-shaped structure of the guide part (412) faces the second air outlet (22), the air flow of the second air outlet (22) is guided downwards along the arc-shaped structure after being blown to the protruding position, so that the air flow of the second air outlet (22) is guided to be discharged out of the casing (1) through the lower air outlet (13); when the stop plate (41) is at the second position, that is, when the lower air outlet (13) is closed by the vertical stop part (411), the flow guiding part (412) moves towards the vertical stop part (411) to the fourth position, and as the concave position of the arc-shaped structure of the flow guiding part (412) faces the second air outlet (22), when the air flow of the second air outlet (22) blows to the concave position, the air flow is guided upwards along the arc-shaped structure so as to guide the air flow of the second air outlet (22) to be discharged out of the casing (1) from the upper air outlet (12).
2. An indoor unit according to claim 1, wherein the first airflow driving device (2) comprises a bi-directional centrifugal fan (23).
3. An indoor unit according to claim 1, characterised in that the second airflow driving means (3) comprises a unidirectional centrifugal fan (32).
4. An indoor unit according to claim 1, wherein the second airflow driving device (3) is located on the air outlet path of the first air outlet (21), and the air outlet direction of the third air outlet (31) is the same as the air outlet direction of the first air outlet (21).
5. The indoor unit of claim 1, wherein the flow guide portion (412) is an arc-shaped structure.
6. An indoor unit according to claim 1, wherein the first air outlet (21) is oriented towards the upper air outlet (12).
7. An air conditioner comprising an air conditioner indoor unit, wherein the air conditioner indoor unit is the air conditioner indoor unit according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436775.1A CN108458409B (en) | 2018-05-09 | 2018-05-09 | Indoor unit of air conditioner and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810436775.1A CN108458409B (en) | 2018-05-09 | 2018-05-09 | Indoor unit of air conditioner and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108458409A CN108458409A (en) | 2018-08-28 |
| CN108458409B true CN108458409B (en) | 2023-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810436775.1A Active CN108458409B (en) | 2018-05-09 | 2018-05-09 | Indoor unit of air conditioner and air conditioner |
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| Country | Link |
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| CN (1) | CN108458409B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH035633A (en) * | 1989-05-15 | 1991-01-11 | Carrier Corp | Air conditioning device |
| CN104595976A (en) * | 2015-01-04 | 2015-05-06 | 珠海格力电器股份有限公司 | Split floor type air conditioner |
| CN105135527A (en) * | 2015-09-11 | 2015-12-09 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and control method thereof |
| CN204943815U (en) * | 2015-09-07 | 2016-01-06 | 珠海格力电器股份有限公司 | Air supply system and cabinet air conditioner |
| CN106524296A (en) * | 2015-09-11 | 2017-03-22 | 珠海格力电器股份有限公司 | Split floor type air conditioner |
| CN206160276U (en) * | 2016-08-12 | 2017-05-10 | 珠海格力电器股份有限公司 | air conditioner |
| CN107965844A (en) * | 2017-11-21 | 2018-04-27 | 珠海格力电器股份有限公司 | Air conditioner indoor unit, control method thereof and air conditioner |
-
2018
- 2018-05-09 CN CN201810436775.1A patent/CN108458409B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH035633A (en) * | 1989-05-15 | 1991-01-11 | Carrier Corp | Air conditioning device |
| CN104595976A (en) * | 2015-01-04 | 2015-05-06 | 珠海格力电器股份有限公司 | Split floor type air conditioner |
| CN204943815U (en) * | 2015-09-07 | 2016-01-06 | 珠海格力电器股份有限公司 | Air supply system and cabinet air conditioner |
| CN105135527A (en) * | 2015-09-11 | 2015-12-09 | 珠海格力电器股份有限公司 | Air conditioner indoor unit and control method thereof |
| CN106524296A (en) * | 2015-09-11 | 2017-03-22 | 珠海格力电器股份有限公司 | Split floor type air conditioner |
| CN206160276U (en) * | 2016-08-12 | 2017-05-10 | 珠海格力电器股份有限公司 | air conditioner |
| CN107965844A (en) * | 2017-11-21 | 2018-04-27 | 珠海格力电器股份有限公司 | Air conditioner indoor unit, control method thereof and air conditioner |
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| Publication number | Publication date |
|---|---|
| CN108458409A (en) | 2018-08-28 |
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