CN110966678B - Ceiling air conditioner indoor unit and air conditioner - Google Patents
Ceiling air conditioner indoor unit and air conditioner Download PDFInfo
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- CN110966678B CN110966678B CN201911122013.5A CN201911122013A CN110966678B CN 110966678 B CN110966678 B CN 110966678B CN 201911122013 A CN201911122013 A CN 201911122013A CN 110966678 B CN110966678 B CN 110966678B
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- indoor unit
- air
- heat exchanger
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- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000007664 blowing Methods 0.000 abstract description 7
- 230000004888 barrier function Effects 0.000 description 12
- 238000001816 cooling Methods 0.000 description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 5
- 235000017491 Bambusa tulda Nutrition 0.000 description 5
- 241001330002 Bambuseae Species 0.000 description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 5
- 239000011425 bamboo Substances 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect 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
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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
- F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
- F24F1/0047—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
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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
- F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
- F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
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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
- F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
- F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The invention discloses a ceiling air conditioner indoor unit and an air conditioner, wherein the air conditioner indoor unit comprises a shell, a heat exchanger and a wind generating device, the shell comprises a top cover and a barrel, the upper end of the barrel is connected with the top cover, the barrel comprises an inner barrel and an outer barrel which are sequentially arranged from inside to outside, the lower end of the inner barrel is connected with the lower end of the outer barrel, the barrel wall of the inner barrel is provided with an air return opening, the barrel wall of the outer barrel is provided with an air outlet, the heat exchanger and the wind generating device are sequentially arranged between the outer barrel and the inner barrel from outside to inside, and the; an air conditioner comprises an air conditioner indoor unit, wherein the air conditioner indoor unit is the ceiling air conditioner indoor unit. The indoor unit of the air conditioner can blow out indoor air subjected to heat exchange through the heat exchanger horizontally or obliquely, so that downward direct blowing is avoided; the air conditioner improves the heat exchange effect and improves the comfort level.
Description
Technical Field
The invention relates to the technical field of ceiling air conditioners, in particular to a ceiling air conditioner indoor unit and an air conditioner.
Background
With the rapid development of the air conditioning industry, the air conditioner not only needs to meet the requirements of refrigeration and heating, but also needs to be matched with the size of an indoor space, and particularly for small-space houses, floor type air conditioners and wall-mounted air conditioners occupy large space, so that the indoor space is more crowded.
However, since the ceiling air conditioner indoor unit of the ceiling air conditioner is embedded into the indoor ceiling, the air from the air outlet of the ceiling air conditioner indoor unit blows directly downward, and particularly, when the ceiling air conditioner indoor unit is used for cooling in summer, the downward blowing air directly blows to the top of the head of a user, so that the user catches a cold.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to avoid blowing the air downward.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the ceiling air conditioner indoor unit which can enable indoor air subjected to heat exchange by the heat exchanger to be blown out horizontally or obliquely and avoid downward direct blowing.
The invention further provides an air conditioner, and indoor air subjected to heat exchange through the heat exchanger can be prevented from being blown downwards, so that the heat exchange effect is improved, and the comfort level is improved.
In order to realize the purpose, the invention provides the following technical scheme:
the utility model provides a ceiling air conditioner internal unit, includes casing, heat exchanger, fresh air device, and the casing includes top cap and barrel, and the upper end and the top cap of barrel are connected, and the barrel includes inner tube and the urceolus that sets gradually by interior to exterior, and the lower extreme of inner tube is connected with the lower extreme of urceolus, and the section of thick bamboo wall of inner tube is equipped with the return air inlet, and the section of thick bamboo wall of urceolus is equipped with the air outlet, and heat exchanger and fresh air device are located between urceolus and the inner tube by outer to interior in proper order.
Preferably, the outer cylinder adopts a mesh plate.
Preferably, the heat exchanger is a cylindrical structure with both the upper end and the lower end open, and the inner diameter of the heat exchanger is gradually reduced from top to bottom.
Preferably, the wind generating device comprises a driving device and a fan which are sequentially connected from top to bottom, and the upper end of the driving device is connected with the top cover.
Preferably, the driving device adopts a shaftless motor.
Preferably, the outer cylinder is rotatably connected with the top cover through a rotating device.
Preferably, rotating device is including rotating motor, action wheel, driven shaft, from driving wheel, bracing piece, rotates the motor and is connected with the top cap, action wheel and the output shaft who rotates the motor, and the driven shaft is the open tubular structure in both ends from top to bottom, and the upper end and the top cap of driven shaft are connected, from driving wheel and driven shaft connection, pass through drive belt and action wheel transmission from the driving wheel, and the one end of bracing piece is connected with the follow driving wheel, and the bracing piece is kept away from the one end and is connected with the urc.
Preferably, a barrier strip is arranged in the air outlet and is rotatably connected with the outer barrel through an adjusting device.
Preferably, the adjusting device comprises an adjusting motor, the adjusting motor is connected with the outer barrel, and an output shaft of the adjusting motor is connected with the end part of the barrier strip.
An air conditioner comprises an air conditioner indoor unit, and the ceiling air conditioner indoor unit is provided.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention can horizontally or obliquely blow out the indoor air subjected to heat exchange by the heat exchanger from the air outlet of the outer barrel without blowing the indoor air downwards and directly to the top of the head of a user, thereby avoiding cold of the user. In addition, the invention can expand the contact range of the indoor air heated by the heat exchanger and the original indoor air by horizontally or obliquely blowing the indoor air subjected to heat exchange by the heat exchanger from the air outlet of the outer cylinder, thereby improving the indoor cooling or heating efficiency. In addition, the invention can install lighting equipment or decorations in the inner cylinder, thereby improving the utilization rate of the ceiling.
2. According to the invention, the mesh plate is adopted by the outer barrel, so that indoor air subjected to heat exchange by the heat exchanger can come out from the air outlet and can also come out from the meshes, and the air outlet quantity is increased.
3. According to the invention, the inner diameter of the heat exchanger is gradually reduced from top to bottom, so that the contact surface between the indoor air entering from the air return opening and the heat exchanger can be increased, and the heat exchange effect is improved.
4. According to the invention, the outer barrel is rotatably connected with the top cover through the rotating device, so that when indoor air subjected to heat exchange passes through the air outlet on the barrel wall of the outer barrel, airflow at the air outlet is rotated, indoor heat exchange is accelerated, and the experience of a user is improved.
5. According to the invention, the rotation of the barrier strip and the outer cylinder is realized by the adjusting device, the size of the area of the air outlet shielded by the barrier strip can be adjusted, the air quantity at the air outlet is adjusted, the use is convenient and flexible, the use requirement of a user is met, and the experience is improved.
6. According to the air conditioner indoor unit, indoor air subjected to heat exchange through the heat exchanger can be prevented from being blown downwards, the heat exchange effect is improved, and the comfort level is improved.
Drawings
FIG. 1 is a first schematic structural diagram of a ceiling air conditioner indoor unit;
FIG. 2 is a second schematic structural diagram of an indoor unit of a ceiling air conditioner;
fig. 3 is a cross-sectional view of a ceiling air conditioner indoor unit;
FIG. 4 is a schematic structural view of the rotating device installed together with the top cover and the outer cylinder;
fig. 5 is a schematic structural view of the barrier strip and the adjusting device which are installed together.
In the figure:
1-top cover, 2-inner cylinder, 201-air return opening, 3-outer cylinder, 301-air outlet, 4-shaftless motor, 5-fan, 6-heat exchanger, 7-rotating motor, 8-driving wheel, 9-driven shaft, 10-driven wheel, 11-supporting rod, 12-driving belt, 13-limiting ring, 14-barrier strip and 15-regulating motor.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
a ceiling air conditioner indoor unit is shown in figures 1-3 and comprises a shell, a heat exchanger 6 and a wind generating device.
The shell comprises a top cover 1 and a barrel body, the barrel body comprises an inner barrel 2 and an outer barrel 3 which are sequentially arranged from inside to outside, the lower end of the inner barrel 2 is welded and fixed with the lower end of the outer barrel 3, and the upper end of the outer barrel 3 is welded and fixed with the top cover 1.
The wall of the inner cylinder 2 is provided with an air return opening 201, so that indoor air can enter between the inner cylinder 2 and the outer cylinder 3 through the air return opening 201. The return air inlet 201 is provided with a plurality of, and a plurality of return air inlets 201 are evenly distributed on the wall of inner tube 2 to improve the air inlet effect of indoor air.
The lower part of the cylinder wall of the outer cylinder 3 is of a curved surface structure, the lower part of the cylinder wall of the outer cylinder 3 is provided with a plurality of air outlets 301, and the plurality of air outlets 301 are uniformly distributed on the cylinder wall of the outer cylinder 3. Through adopting the curved surface structure, than straight section of thick bamboo structure, can enlarge the angle scope of air-out, improve the air-out effect. In addition, urceolus 3 adopts the mesh board, sets up like this, not only can let the room air through the heat exchanger 6 heat transfer come out from air outlet 301, can also let the room air through the heat exchanger 6 heat transfer come out from the mesh, improves the air output, but the room air through the heat exchanger 6 heat transfer still mainly comes out from air outlet 301.
The heat exchanger 6 and the wind generating device are sequentially arranged between the outer cylinder 3 and the inner cylinder 2 from outside to inside.
The wind generating device comprises a driving device and a fan 5 which are connected in sequence from top to bottom. The driving device adopts a shaftless motor 4, the shaftless motor 4 drives the fan 5 to rotate, a bearing and an outer ring (not shown) are arranged outside the shaftless motor 4 and are matched with each other, the bearing is attached to the bearing to rotate around the axis, and the outer ring is fixed with the top cover 1 through a bolt, so that the shaftless motor 4 rotates on the basis of the outer ring.
The fan 5 is a hollow fan 5, the hollow shape is a cylinder, and the fan 5 is used for generating a rotating airflow to guide air from the air return opening 201 to the heat exchanger 6.
The heat exchanger 6 is a tubular structure with both upper and lower ends open, a heat exchange medium is filled in the heat exchanger 6, the inner diameter of the heat exchanger 6 is gradually reduced from top to bottom, and the lower end of the heat exchanger 6 is welded and fixed with the outer barrel 3. With this arrangement, the contact area between the indoor air entering from the air return opening 201 and the heat exchanger 6 can be increased, thereby improving the heat exchange effect.
When in use: the top cover 1 is fixed to the ceiling by using a fastener, and in the first embodiment, the fastener is a bolt or a screw.
During refrigeration in summer: the shaftless motor 4 is started, the shaftless motor 4 drives the fan 5 to rotate, the fan 5 generates rotary airflow, indoor air enters the inner cavity of the inner barrel 2, the indoor air passes through the air return opening 201 in the barrel wall of the inner barrel 2 and then contacts the heat exchanger 6, the indoor air exchanges heat with the heat exchanger 6, the temperature of the indoor air after heat exchange is reduced, and the cooled indoor air passes through the air outlet 301 in the barrel wall of the outer barrel 3 and then enters the room after meshes, so that the indoor temperature is reduced.
Known from the above-mentioned use, the ceiling air conditioner internal unit of this embodiment can let the indoor air through the heat exchanger 6 heat transfer blow off from the air outlet 301 department level or slope of urceolus 3, and can not blow directly downwards to can not directly blow to user's top of the head, avoid causing the user to catch a cold. In addition, according to the ceiling air conditioner indoor unit of the first embodiment, the indoor air subjected to heat exchange by the heat exchanger 6 is blown out horizontally or obliquely from the air outlet 301 of the outer cylinder 3, so that the contact range between the indoor air subjected to heat exchange by the heat exchanger 6 and the original indoor air can be expanded, and the indoor cooling or heating efficiency can be improved. Furthermore, the ceiling air conditioner internal unit of this embodiment one has reduced the area of the ceiling that occupies, can install lighting apparatus or embellishment, for example the light in inner tube 2, has improved the utilization ratio to the ceiling.
Example two:
the second embodiment is the same as the first embodiment, except that, as shown in fig. 4, in the ceiling air conditioner indoor unit of the second embodiment, the outer cylinder 3 is rotatably connected with the top cover 1 through a rotating device.
The rotating device comprises a rotating motor 7, a driving wheel 8, a driven shaft 9, a driven wheel 10 and a supporting rod 11.
The rotating motor 7 is fixedly arranged on the upper end face of the top cover 1 through a fastener, an output shaft of the rotating motor 7 penetrates through a rotating hole formed in the top cover 1, and the output shaft of the rotating motor 7 is in clearance fit with the rotating hole. The driving wheel 8 is welded and fixed with the lower end of the output shaft of the rotating motor 7. Driven shaft 9 is the equal open tubular structure in upper and lower both ends, and shaftless motor 4 sets up in driven shaft 9, and the upper end and the top cap 1 welded fastening of driven shaft 9, and the lower extreme welded fastening of driven shaft 9 has spacing ring 13, overlaps on driven shaft 9 from driving wheel 10, from driving wheel 10 and driven shaft 9 clearance fit, locates the up end of spacing ring 13 from driving wheel 10, and the external diameter of spacing ring 13 is greater than the internal diameter from driving wheel 10, through setting up spacing ring 13, can prevent to drop from driving wheel 10. The driven wheel 10 is in transmission with the driving wheel 8 through a transmission belt 12. One end of the support rod 11 is welded and fixed with the driven wheel 10, and the end of the support rod 11 far away from the driven wheel 10 is welded and fixed with the outer cylinder 3.
During refrigeration in summer: the shaftless motor 4 and the rotary motor 7 are started. The shaftless motor 4 drives the fan 5 to rotate, the fan 5 generates rotating airflow, indoor air enters the inner cavity of the inner barrel 2, the indoor air passes through the air return opening 201 on the barrel wall of the inner barrel 2 and then contacts the heat exchanger 6, the indoor air exchanges heat with the heat exchanger 6, the temperature of the indoor air after heat exchange is reduced, and the cooled indoor air passes through the air outlet 301 on the barrel wall of the outer barrel 3 and then enters the room to reduce the indoor temperature.
When the indoor air of cooling passes air outlet 301 or mesh on the section of thick bamboo wall of urceolus 3, because rotation motor 7 has been started, so the output shaft that rotates motor 7 rotates, with the action wheel 8 of rotating motor 7's output shaft welded fastening, action wheel 8 drives through the transmission of drive belt 12 and rotates from driving wheel 10 together, urceolus 3 through bracing piece 11 and from driving wheel 10 fixed connection also rotates along with from driving wheel 10 together, thereby when the indoor air of cooling passes air outlet 301 or mesh on the section of thick bamboo wall of urceolus 3, can let the air current in air outlet 301 or mesh rotatory, accelerate indoor cooling.
Known from the above-mentioned use, the ceiling air conditioner internal unit of this embodiment two can let urceolus 3 rotate through rotating device to let the air current in air outlet 301 or mesh department rotatory, accelerate indoor heat transfer, improve user's experience and feel.
Example three:
the third embodiment is the same as the second embodiment, except that, as shown in fig. 5, in the ceiling air conditioner indoor unit of the third embodiment, a barrier strip 14 is arranged in the air outlet 301 of the outer cylinder 3, and the barrier strip 14 is connected with the outer cylinder 3 through an adjusting device.
The adjusting device comprises an adjusting motor 15, the adjusting motor 15 is fixed with the outer barrel 3 through a fastening piece, and an output shaft of the adjusting motor 15 is welded and fixed with the lower end of the barrier strip 14.
When the air quantity at the air outlet 301 needs to be reduced, the adjusting motor 15 is started, and the output shaft of the adjusting motor 15 drives the barrier strip 14 to rotate together, so that the barrier strip 14 shields part of the air outlet 301, the passing area of air is reduced, and the air quantity at the air outlet 301 is reduced.
When the air quantity at the air outlet 301 needs to be increased, the adjusting motor 15 is started, the output shaft of the adjusting motor 15 drives the barrier strip 14 to rotate together, the area of the air outlet 301 blocked by the barrier strip 14 is reduced, the passing area of air is increased, and the air quantity at the air outlet 301 is increased.
Known by the above-mentioned use, the air volume of air outlet 301 department can be adjusted through adjusting device and blend stop 14 to a ceiling air conditioner internal unit of this embodiment three, and convenient to use is nimble, satisfies user's user demand, has improved experience and has felt.
Example four:
an air conditioner comprises an air conditioner inner unit, and the ceiling air conditioner inner unit is provided with the air conditioner inner unit.
Through this air conditioner internal unit not only can let the indoor air through the heat exchanger 6 heat transfer avoid directly blowing downwards, still improved the heat transfer effect, improved the comfort level.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (6)
1. A ceiling air conditioner indoor unit is characterized by comprising a shell, a heat exchanger and a wind generating device, wherein the shell comprises a top cover and a barrel, the upper end of the barrel is connected with the top cover, the barrel comprises an inner barrel and an outer barrel which are sequentially arranged from inside to outside, the lower end of the inner barrel is connected with the lower end of the outer barrel, the barrel wall of the inner barrel is provided with a return air inlet, the lower part of the barrel wall of the outer barrel is of a curved surface structure, the lower part of the barrel wall of the outer barrel is provided with an air outlet, the heat exchanger and the wind generating device are sequentially arranged between the outer barrel and the inner barrel from outside to inside, the heat exchanger and the wind generating device are both connected with the shell, so that indoor air subjected to heat exchange through the heat exchanger is horizontally or obliquely blown out from the air outlet of the outer barrel, the outer barrel is rotatably connected with the top cover through, the driven shaft is the open tubular structure in both ends about for, and the upper end and the top cap of driven shaft are connected, follow driving wheel and driven shaft connection, pass through drive belt and action wheel transmission from the driving wheel, and the one end of bracing piece is connected with following the driving wheel, and the bracing piece is kept away from the one end of following the driving wheel and is connected with the urceolus, be equipped with the blend stop in the air outlet, the blend stop passes through adjusting device and is connected with the urceolus rotation, adjusting device includes the accommodate motor, and the accommodate motor is connected with the urceolus.
2. A ceiling air conditioning indoor unit as set forth in claim 1, wherein said outer tube employs mesh sheets.
3. The ceiling air conditioner indoor unit according to claim 1, wherein the heat exchanger is a cylindrical structure with both upper and lower ends open, and the inner diameter of the heat exchanger is gradually reduced from top to bottom.
4. The ceiling air conditioner indoor unit of claim 1, wherein the wind generating device comprises a driving device and a fan which are connected in sequence from top to bottom, and the upper end of the driving device is connected with the top cover.
5. The ceiling air conditioning indoor unit of claim 4, wherein the driving device is a shaftless motor.
6. An air conditioner comprises an air conditioner indoor unit, and is characterized in that the air conditioner indoor unit is the ceiling air conditioner indoor unit as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911122013.5A CN110966678B (en) | 2019-11-15 | 2019-11-15 | Ceiling air conditioner indoor unit and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911122013.5A CN110966678B (en) | 2019-11-15 | 2019-11-15 | Ceiling air conditioner indoor unit and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110966678A CN110966678A (en) | 2020-04-07 |
| CN110966678B true CN110966678B (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911122013.5A Active CN110966678B (en) | 2019-11-15 | 2019-11-15 | Ceiling air conditioner indoor unit and air conditioner |
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| CN (1) | CN110966678B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1183060A (en) * | 1997-09-10 | 1999-03-26 | Mitsubishi Heavy Ind Ltd | Flush-with-ceiling type air conditioner |
| CN2854418Y (en) * | 2005-12-05 | 2007-01-03 | 河南新飞电器有限公司 | Indoor unit of air conditioner |
| DE202016102068U1 (en) * | 2016-04-20 | 2016-05-31 | Hack Kälte-Systeme GmbH & Co. KG | Air baffle and ceiling cassette with air baffle |
| CN105841243A (en) * | 2016-05-23 | 2016-08-10 | 珠海格力电器股份有限公司 | Ceiling type air conditioner indoor unit |
| CN106091125B (en) * | 2016-07-26 | 2019-07-09 | 珠海格力电器股份有限公司 | Indoor unit of ceiling type air conditioner |
| CN209431544U (en) * | 2018-09-25 | 2019-09-24 | 珠海格力电器股份有限公司 | Raise boring machine |
-
2019
- 2019-11-15 CN CN201911122013.5A patent/CN110966678B/en active Active
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| CN110966678A (en) | 2020-04-07 |
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