CN109827249B - Outdoor unit and refrigerating device with same - Google Patents
Outdoor unit and refrigerating device with same Download PDFInfo
- Publication number
- CN109827249B CN109827249B CN201910224210.1A CN201910224210A CN109827249B CN 109827249 B CN109827249 B CN 109827249B CN 201910224210 A CN201910224210 A CN 201910224210A CN 109827249 B CN109827249 B CN 109827249B
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- guide
- outdoor unit
- guide ring
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- ring
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- 230000008859 change Effects 0.000 claims abstract description 8
- 238000005057 refrigeration Methods 0.000 claims description 6
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides an outdoor unit and a refrigerating device with the same. The outdoor unit includes: the rack is provided with a plurality of air outlets; the plurality of guide rings are connected with the frame and are arranged in one-to-one correspondence with the plurality of air outlets; the fastener is used for connecting the two adjacent guide rings so as to change the natural frequency of the guide rings. Because the fastener is arranged between the two adjacent guide rings, the adjacent guide rings form a whole, and when the outdoor unit works, the natural frequency of the guide rings forming the whole is different from the natural frequency of the frame on which the guide rings are arranged, namely, the guide rings cannot resonate with the frame, thereby effectively reducing noise generated when the outdoor unit works. The use experience of the user is improved.
Description
Technical Field
The invention relates to the technical field of refrigeration equipment, in particular to an outdoor unit and a refrigeration device with the same.
Background
In the current field of multi-connected outdoor units, the same installation method is used for installing and fixing the guide ring, namely, four installation holes (or more) are formed in the lower part of the guide ring, and the guide ring is tightly connected with a sheet metal part (mostly a cross beam) of a unit frame by using screws, so that the guide ring is fixed on the unit.
The fixing mode can only ensure the rigidity of the lower part of the guide ring, but the problem that the air quantity cannot reach the expected value due to the deformation of the upper part of the guide ring caused by vibration and air flow pressure in the long-term operation process of the unit is solved, so that an effective control means is lacking.
Disclosure of Invention
The invention mainly aims to provide an outdoor unit and a refrigerating device with the same, so as to solve the problem of high noise of a multi-connected outdoor unit in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided an outdoor unit including: the rack is provided with a plurality of air outlets; the plurality of guide rings are connected with the frame and are arranged in one-to-one correspondence with the plurality of air outlets; the fastener is used for connecting the two adjacent guide rings so as to change the natural frequency of the guide rings.
Further, a guide plate is arranged in at least one guide ring of the plurality of guide rings.
Further, both ends of the guide plate are respectively connected with the inner wall of the guide ring so as to divide the inside of the guide ring into two air outlet channels, and the width direction of the guide plate is parallel to the axis direction of the guide ring.
Further, at least one notch is arranged on the guide plate, and the opening direction of the notch is the windward direction.
Further, at least one first connecting convex column is arranged on the outer surface of one of the two adjacent guide rings, at least one second connecting convex column is arranged on the outer surface of the other guide ring, one end of the fastening piece is connected with the first connecting convex column, and the other end of the fastening piece is connected with the second connecting convex column.
Further, the number of the fasteners is two, and the two fasteners are respectively arranged at two sides of the two adjacent guide rings.
Further, at least one mounting boss is arranged on the surface of the guide ring, which is close to one end of the frame, and a connecting hole for connecting with the frame is arranged on the mounting boss.
Further, the number of the guide rings is two, and annular reinforcing ribs are arranged on the outer peripheral surfaces of the two guide rings.
Further, the fastener comprises a first connecting piece and a second connecting piece, wherein one of the first connecting piece and the second connecting piece is arranged on one of the two adjacent guide rings, the other of the first connecting piece and the second connecting piece is arranged on the other guide ring, and the first connecting piece is clamped with the second connecting piece.
Further, the first connecting piece is of a clamping groove structure, and the second connecting piece is of a clamping hook structure matched with the clamping groove.
Further, the fastener is a connecting plate, at least one end of the connecting plate is provided with a groove for being connected with the guide ring, or at least one end of the connecting plate is provided with a buckle for being connected with the guide ring.
According to another aspect of the present invention, there is provided an outdoor unit including: a frame having side plates; the guide ring is provided with a mounting end and an outlet end, the mounting end of the guide ring is connected with the frame, and the outlet end of the guide ring is connected with the side plate through a fastener so as to change the natural frequency of the guide ring and the frame during vibration.
Further, the frame also comprises a front panel and a rear panel, and the outlet end of the guide ring is connected with at least one of the front panel and the rear panel through a fastener.
According to another aspect of the present invention, a refrigeration apparatus is provided, including an outdoor unit, the outdoor unit being the above-mentioned outdoor unit.
By applying the technical scheme of the invention, as the fastening pieces are arranged between the two adjacent diversion rings, the adjacent diversion rings form a whole, so that when the outdoor unit works, the natural frequency of the whole diversion ring is different from the natural frequency of the frame provided with the diversion rings, namely the diversion rings cannot resonate with the frame, and the noise generated when the outdoor unit works is effectively reduced. The use experience of the user is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
Fig. 1 shows a schematic structural view of an embodiment of a deflector ring according to the present invention;
fig. 2 is a schematic structural view illustrating an embodiment of an outdoor unit according to the present invention.
Wherein the above figures include the following reference numerals:
10. A frame;
20. a guide ring; 21. a guide plate; 22. a first connecting stud; 23. the second connecting convex column; 24. a mounting boss;
30. A fastener;
40. Annular reinforcing ribs.
Detailed Description
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims and drawings of the present application are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "upper surface on … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.
As shown in fig. 1 and 2, according to an embodiment of the present invention, an outdoor unit is provided.
Specifically, the outdoor unit includes a frame 10, a deflector 20, and a fastener 30. The housing 10 has a plurality of air outlets. The guide rings 20 are a plurality of, and the guide rings 20 are connected with the frame 10 and are arranged in one-to-one correspondence with the air outlets. The fastener 30 is used to connect two adjacent guide rings 20 to change the natural frequency of the guide rings 20.
In this embodiment, since the fastening members are disposed between two adjacent guide rings, the adjacent guide rings form a whole, so that when the outdoor unit works, the natural frequency of the guide ring forming the whole is different from the natural frequency of the frame on which the guide rings are mounted, that is, the guide rings cannot resonate with the frame, thereby effectively reducing noise generated when the outdoor unit works. The use experience of the user is improved. The outdoor unit can be applied to multiple online units, heat pump water heaters, household units, refrigerating and refrigerating units and other outdoor units.
Wherein, the inside of at least one water conservancy diversion circle 20 in a plurality of water conservancy diversion circles 20 is provided with deflector 21. This arrangement can prevent reverse installation of the deflector ring.
Further, two ends of the guide plate 21 are respectively connected with the inner wall of the guide ring 20 to divide the inside of the guide ring 20 into two air outlet channels, and the width direction of the guide plate 21 is parallel to the axial direction of the guide ring 20. This arrangement can reduce the wind resistance of the guide plate 21 and improve the reliability of the guide ring. As shown in fig. 1, the direction indicated by arrow a in the drawing is the width direction of the guide plate 21, the direction of arrow b is the axial direction of the guide ring 20, and the direction is the axial direction of the air outlet channel of the guide ring.
Preferably, the guide plate 21 is provided with at least one notch, and the opening direction of the notch is the windward direction. The contact area of deflector and air current can be reduced to the setting like this, has reduced the windage of deflector in turn, has improved the practicality of this water conservancy diversion circle.
Wherein, the outer surface of one of the two adjacent guide rings 20 is provided with at least one first connecting convex column 22, the outer surface of the other guide ring 20 is provided with at least one second connecting convex column 23, one end of the fastening piece 30 is connected with the first connecting convex column 22, and the other end of the fastening piece 30 is connected with the second connecting convex column 23. The structures of the first connecting boss 22 and the second connecting boss 23 may be the same or different.
In order to further reduce noise generated by the guide rings, two fasteners 30 may be provided, and two fasteners 30 may be provided on both sides of two adjacent guide rings 20, respectively.
At least one mounting boss 24 is provided on a surface of the deflector 20 near one end of the frame 10, and a connection hole for connection with the frame 10 is provided on the mounting boss 24. The installation stability of the guide ring can be improved through the arrangement.
Preferably, the number of the guide rings 20 is two, and annular reinforcing ribs 40 are arranged on the outer peripheral surfaces of the two guide rings 20. This arrangement can improve the reliability of the deflector.
According to another embodiment of the present application, the fastener 30 includes a first connector and a second connector, wherein one of the first connector and the second connector is disposed on one of the two adjacent deflector rings 20, the other of the first connector and the second connector is disposed on the other deflector ring 20, and the first connector is clamped with the second connector. Preferably, the first connecting piece is of a clamping groove structure, and the second connecting piece is of a clamping hook structure matched with the clamping groove. The arrangement can also play a role in fixing the adjacent guide rings, and simultaneously play a role in reducing noise of the multi-split air conditioner.
The multi-split air conditioner in the above embodiment may also be used in the technical field of refrigeration equipment, and according to another aspect of the present invention, a refrigeration apparatus is provided, including an outdoor unit, where the outdoor unit is the outdoor unit in the above embodiment.
Specifically, the multi-split air conditioner adopting the structure solves the problem that the upper parts of two adjacent guide rings are not fixed in the prior art, and solves the problems that the guide rings are deformed after injection molding and long-term use. And the problems that the guide ring and the unit generate resonance and noise is increased are solved. The guide ring with the structure has the advantages of strengthening the fixing strength of the guide ring and performing the shape correction function. The rigidity of the two guide rings is enhanced, and the deformation resistance is enhanced, so that the reliability of the unit is improved. The natural frequency of the guide ring is changed, and resonance between the guide ring and the shell, resonance between the guide ring and the pipeline and resonance between the guide ring and the fan bracket are avoided, so that the effects of shock absorption and noise reduction are achieved.
The guide ring adopts an annular reinforcing rib, the upper part of the guide ring is provided with a mounting boss or a connecting convex column and a mounting hole which are matched with a novel screw fixing method, and the independent two guide rings are reliably connected to form a whole through the fixing method of screws and fasteners, so that the natural frequency of the guide ring is changed, and resonance is avoided.
The multi-split air conditioner with the structure can realize the fixing effect on the lower part, the upper part and other full height directions of the guide rings, can firmly connect the two guide rings into a whole, strengthen the rigidity of the guide rings, change the natural frequency of the guide rings, avoid resonance with a machine set, and has the effects of shock absorption and noise reduction.
The guide ring is provided with a plurality of reinforcing ribs, so that the strength of the guide ring is increased. The guide ring is provided with a guide plate structure, plays the roles of guiding and preventing reverse during installation, improves the installation efficiency, simultaneously, four positions of the lower part of the guide ring are respectively provided with an installation boss and an installation hole, the guide ring is fixed with a beam on the upper part of the frame through the holes, four positions of the upper part of the guide ring are respectively provided with an installation boss and an installation hole, and the two guide rings are connected through connecting plates by using the installation holes, so that the two guide rings form a reliable whole.
As shown in fig. 2. The fastener is the connecting plate, and two mounting holes on two adjacent connection convex columns (first connection convex column, second connection convex column) in the middle of two water conservancy diversion circles are used to fix the connecting plate in the water conservancy diversion circle installation schematic diagram, but also can use two mounting holes in the outside of two water conservancy diversion circles to fix the connecting plate when installing, also can realize connecting two water conservancy diversion circles into an holistic purpose. Wherein, at least one end of the connecting plate is provided with a groove for being connected with the guide ring 20, or at least one end of the connecting plate is provided with a buckle for being connected with the guide ring 20. When the connecting plate is provided with the groove structure, the guide ring is provided with a buckle matched with the groove structure. When the buckle structure is arranged on the connecting plate, a groove structure matched with the groove structure is arranged on the guide ring.
When the unit operates, vibration generated by the unit is uniformly distributed on the two guide rings through the connecting plate, and compared with one guide ring, the vibration amplitude is remarkably reduced, so that the vibration-reducing unit has a vibration-reducing effect. Meanwhile, the novel screw fixing method changes the natural frequencies of the two guide rings, is staggered with the natural frequency of the frame, and avoids resonance and noise caused by the resonance. Wherein, can be through setting up the buckle of moulding plastics of mutually supporting and connect and need not to use the sheet metal component to connect between two water conservancy diversion circles, also can realize the function of making an uproar that falls. The guide ring can be fixed with the side plate, the front panel and the rear panel at the upper part, and a connecting piece made of sheet metal parts is not required to be fixed.
In accordance with another embodiment of the present application, there is provided an outdoor unit including a housing 10 and a deflector 20. The frame 10 has side plates. The guide ring 20 has a mounting end and an outlet end, the mounting end of the guide ring 20 is connected with the frame 10, and the outlet end of the guide ring 20 is connected with the side plate through a fastener to change the natural frequency of the guide ring 20 when vibrating with the frame 10. The housing 10 further includes a front panel and a rear panel, with the outlet end of the deflector 20 being connected to at least one of the front panel and the rear panel by fasteners.
In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., indicate that the particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the application, as generally described. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the application.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. An outdoor unit, comprising:
a frame (10), the frame (10) having a plurality of air outlets;
The guide rings (20) are arranged in a plurality, and the guide rings (20) are connected with the rack (10) and are arranged in one-to-one correspondence with the air outlets;
The air guide device comprises a plurality of guide rings (20), wherein guide plates (21) are arranged in at least one guide ring (20), two ends of each guide plate (21) are respectively connected with the inner wall of each guide ring (20) so as to divide the inside of each guide ring (20) into two air outlet channels, the width direction of each guide plate (21) is parallel to the axis direction of each guide ring (20), and at least one notch is formed in each guide plate (21) and the opening direction of each notch is the windward direction;
-a fastener (30), said fastener (30) being adapted to connect two adjacent said deflector rings (20) to change the natural frequency of said deflector rings (20).
2. The outdoor unit according to claim 1, wherein at least one first connecting boss (22) is provided on an outer surface of one of the adjacent two guide rings (20), at least one second connecting boss (23) is provided on an outer surface of the other guide ring (20), one end of the fastening member (30) is connected to the first connecting boss (22), and the other end of the fastening member (30) is connected to the second connecting boss (23).
3. The outdoor unit of claim 1, wherein the number of the fastening members (30) is two, and the two fastening members (30) are respectively disposed at both sides of the adjacent two guide rings (20).
4. The outdoor unit according to claim 1, wherein at least one mounting boss (24) is provided on a surface of the deflector ring (20) near one end of the housing (10), and a connection hole for connection with the housing (10) is provided on the mounting boss (24).
5. The outdoor unit of claim 1, wherein there are two guide rings (20), and annular reinforcing ribs (40) are provided on outer circumferential surfaces of the two guide rings (20).
6. The outdoor unit of claim 1, wherein the fastening member (30) includes a first connecting member and a second connecting member, wherein one of the first connecting member and the second connecting member is disposed on one of the adjacent two guide rings (20), the other of the first connecting member and the second connecting member is disposed on the other guide ring (20), and the first connecting member is engaged with the second connecting member.
7. The outdoor unit of claim 6, wherein the first connecting member has a clamping groove structure, and the second connecting member has a hook structure matched with the clamping groove.
8. The outdoor unit of claim 1, wherein the fastening member (30) is a connection plate, and at least one end of the connection plate is provided with a groove for connection with the deflector ring (20), or at least one end of the connection plate is provided with a buckle for connection with the deflector ring (20).
9. An outdoor unit, comprising:
a frame (10), the frame (10) having side panels;
The guide ring (20) is provided with a mounting end and an outlet end, the mounting end of the guide ring (20) is connected with the frame (10), and the outlet end of the guide ring (20) is connected with the side plate through a fastener so as to change the natural frequency of the guide ring (20) and the frame (10) when vibrating;
The guide plates (21) are arranged in at least one guide ring (20) of the guide rings (20), two ends of each guide plate (21) are respectively connected with the inner wall of each guide ring (20), the guide rings (20) are internally divided into two air outlet channels, and the width direction of each guide plate (21) is parallel to the axial direction of each guide ring (20).
10. The outdoor unit of claim 9, wherein said housing (10) further comprises a front panel and a rear panel, and said outlet end of said deflector ring (20) is connected to at least one of said front panel and said rear panel by a fastener.
11. A refrigeration apparatus comprising an outdoor unit, wherein the outdoor unit is the outdoor unit according to any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224210.1A CN109827249B (en) | 2019-03-22 | 2019-03-22 | Outdoor unit and refrigerating device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910224210.1A CN109827249B (en) | 2019-03-22 | 2019-03-22 | Outdoor unit and refrigerating device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109827249A CN109827249A (en) | 2019-05-31 |
| CN109827249B true CN109827249B (en) | 2024-07-12 |
Family
ID=66870718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910224210.1A Active CN109827249B (en) | 2019-03-22 | 2019-03-22 | Outdoor unit and refrigerating device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109827249B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101592360A (en) * | 2008-05-26 | 2009-12-02 | 乐金电子(天津)电器有限公司 | Air-conditioner outdoor unit |
| CN204063483U (en) * | 2014-03-10 | 2014-12-31 | 珠海格力电器股份有限公司 | Guide ring fixing assembly and air conditioner |
| CN205535730U (en) * | 2016-01-28 | 2016-08-31 | 山东东大锅炉有限公司 | Novel boiler convection bank |
| CN107401825A (en) * | 2017-07-26 | 2017-11-28 | 珠海格力电器股份有限公司 | Flow guide assembly, fan and air conditioner |
| CN107940564A (en) * | 2017-11-15 | 2018-04-20 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner |
| CN209801651U (en) * | 2019-03-22 | 2019-12-17 | 珠海格力电器股份有限公司 | Outdoor unit and refrigerating device with same |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002031374A (en) * | 2000-07-19 | 2002-01-31 | Fujitsu General Ltd | Outdoor unit for air conditioner |
| JP2012013397A (en) * | 2010-07-05 | 2012-01-19 | Toshiba Carrier Corp | Outdoor unit of refrigerating cycle device |
| CN203404926U (en) * | 2013-07-26 | 2014-01-22 | 广东美的制冷设备有限公司 | Integrated double-cross-flow air duct component of air conditioner and indoor unit of air conditioner |
| CN207989257U (en) * | 2018-01-31 | 2018-10-19 | 北京长城华冠汽车技术开发有限公司 | A kind of vibration-proof structure for reducing automobile air conditioner compressor resonance |
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2019
- 2019-03-22 CN CN201910224210.1A patent/CN109827249B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101592360A (en) * | 2008-05-26 | 2009-12-02 | 乐金电子(天津)电器有限公司 | Air-conditioner outdoor unit |
| CN204063483U (en) * | 2014-03-10 | 2014-12-31 | 珠海格力电器股份有限公司 | Guide ring fixing assembly and air conditioner |
| CN205535730U (en) * | 2016-01-28 | 2016-08-31 | 山东东大锅炉有限公司 | Novel boiler convection bank |
| CN107401825A (en) * | 2017-07-26 | 2017-11-28 | 珠海格力电器股份有限公司 | Flow guide assembly, fan and air conditioner |
| CN107940564A (en) * | 2017-11-15 | 2018-04-20 | 珠海格力电器股份有限公司 | Indoor unit and air conditioner |
| CN209801651U (en) * | 2019-03-22 | 2019-12-17 | 珠海格力电器股份有限公司 | Outdoor unit and refrigerating device with same |
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| Publication number | Publication date |
|---|---|
| CN109827249A (en) | 2019-05-31 |
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