CN107917476B

CN107917476B - Air condensing units and air conditioner

Info

Publication number: CN107917476B
Application number: CN201711123935.9A
Authority: CN
Inventors: 宫华耀; 何成军
Original assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Current assignee: Qingdao Hisense Hitachi Air Conditioning System Co Ltd
Priority date: 2017-11-14
Filing date: 2017-11-14
Publication date: 2020-03-13
Anticipated expiration: 2037-11-14
Also published as: CN107917476A

Abstract

The invention discloses an air conditioner outdoor unit and an air conditioner, relates to the technical field of air conditioning equipment, and aims to solve the problem that the air conditioner outdoor unit in the prior art is poor in heat dissipation. The invention relates to an air conditioner outdoor unit which comprises a shell, wherein an air conditioner air outlet and an air conditioner air inlet are formed in the shell, a centrifugal fan assembly is arranged in the shell, and the centrifugal fan assembly is rotatably connected with the shell so as to enable the centrifugal fan assembly to swing relative to the shell. The invention relates to an air conditioner outdoor unit which is used for being linked with an air conditioner indoor unit to adjust the temperature of indoor air.

Description

Air condensing units and air conditioner

Technical Field

The invention relates to the technical field of air conditioning equipment, in particular to an air conditioner outdoor unit and an air conditioner.

Background

Along with the development and growth of cities, the space of the existing residential building is more and more compact, and the installation limit of the outdoor unit of the air conditioner is more and more.

Many household air conditioner outdoor units are usually installed on the outer wall of a building, and axial fans are installed in the outdoor units, and because the distance between the air conditioner outdoor units and the wall surface is narrow, the suction force (suction pressure) of the axial fans to air is small, so that the heat dissipation of the outdoor units is poor, the local thermal cycle short circuit of the air conditioner is caused, and the unit has large heat.

In order to improve the heat dissipation capacity of the air conditioner outdoor unit, some air conditioner outdoor units in the prior art adopt centrifugal fans, so that the suction force to air can be improved, but for some special installation occasions, such as a building outer wall is provided with a grille, the building grille can generate large resistance to the air outlet of an air conditioner, the air outlet is still unsmooth, the heat dissipation is influenced, an air conditioner compressor is easy to enter a heat protection state, and the heating capacity of the air conditioner is reduced.

Disclosure of Invention

The embodiment of the invention provides an air conditioner outdoor unit and an air conditioner, and can solve the problem of poor heat dissipation of the air conditioner outdoor unit in the prior art.

In order to achieve the above purpose, the embodiment of the invention adopts the following technical scheme:

the air conditioner outdoor unit comprises a shell, wherein an air conditioner air outlet and an air conditioner air inlet are formed in the shell, a centrifugal fan assembly is arranged in the shell and is rotatably connected with the shell, so that the centrifugal fan assembly can swing relative to the shell.

The embodiment of the invention also discloses an air conditioner which comprises the air conditioner outdoor unit in the technical scheme.

When the air conditioner outdoor unit and the air conditioner provided by the embodiment of the invention are arranged in a narrow space area, a large amount of air can be sucked into the air conditioner through the air inlet of the air conditioner due to the large suction force of the centrifugal fan assembly (namely the centrifugal fan), and then the air is discharged through the air outlet of the air conditioner after heat exchange, so that the heat dissipation effect of the air conditioner is good; if the outer wall of some buildings is the grid strip, and air condensing units installs in grid department, because of centrifugal fan subassembly and shell rotatable coupling, make the relative shell swing of centrifugal fan subassembly, it is parallel with the extending direction of building grid to adjust air condensing units's air-out direction, the air-out resistance of air conditioner has been reduced, make the heat in the unit can be dispersed relatively fast, be difficult for forming the return air short circuit, the heat dispersion of unit has further been improved, thereby reduce the probability that air condition compressor gets into the thermal protection state, the refrigeration and the heating effect of air conditioner are more stable.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 2 is a schematic three-dimensional structure diagram of an air conditioner outdoor unit according to an embodiment of the present invention;

FIG. 3 is a top view of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 4 is an exploded view of a centrifugal fan assembly of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a centrifugal fan assembly of an outdoor unit of an air conditioner according to an embodiment of the present invention;

FIG. 6 is a cross-sectional view A-A of FIG. 5;

fig. 7 is a schematic structural view illustrating an inclined position of a centrifugal fan assembly of an outdoor unit of an air conditioner according to an embodiment of the present invention;

fig. 8 is a flow field distribution diagram of a centrifugal fan assembly of an outdoor unit of an air conditioner according to an embodiment of the present invention.

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.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

The air conditioner outdoor unit comprises a shell, an air conditioner air outlet is formed in the shell, a fan, a heat exchanger and the like are arranged in the shell, the fan guides air into the air conditioner, and the air is blown out of the air conditioner air outlet after heat exchange of the heat exchanger.

Referring to fig. 1 to 2, an outdoor unit of an air conditioner according to an embodiment of the present invention includes a casing 1, an air conditioner air outlet 101 and an air conditioner air inlet 102 are formed in the casing 1, a centrifugal fan assembly 2 is disposed in the casing 1, and the centrifugal fan assembly 2 is rotatably connected to the casing 1, so that the centrifugal fan assembly 2 can swing relative to the casing 1.

When the air conditioner outdoor unit is installed in a narrow space area, a large amount of air can be sucked into the air conditioner through the air conditioner air inlet 102 due to the large suction force of the centrifugal fan assembly 2 (namely a centrifugal fan), and then is discharged through the air conditioner air outlet 101 after heat exchange, so that the heat dissipation effect of the air conditioner is good; if the outer wall of some buildings is the grid strip, and air condensing units installs in grid department, because of centrifugal fan subassembly 2 and shell 1 rotatable coupling, make centrifugal fan subassembly 2 can swing relative to shell 1, with the air-out direction of adjustment air condensing units and the extending direction of building grid the same, the air-out resistance of air conditioner has been reduced, make the heat in the unit can be emitted relatively fast, be difficult for forming the return air short circuit, the heat dispersion of unit has further been improved, thereby reduce the probability that air condition compressor gets into the thermal protection state, the refrigeration and the heating effect of air conditioner are more stable.

The centrifugal fan assembly 2 of the embodiment of the invention comprises a centrifugal fan 21 and a fan box 22, wherein the centrifugal fan 21 is installed in the fan box 22, a fan air outlet 221 and a fan air inlet 222 are formed in the fan box 22, the fan air outlet 221 is arranged opposite to an air conditioner air outlet 101, the fan air inlet 222 is arranged opposite to an air conditioner air inlet 102, a hinged support 3 is arranged in a shell 1, the shell 1 is hinged with the fan box 22 through the hinged support 3, as shown in fig. 2-5, or a crank rocker mechanism is arranged in the shell 1, and the shell 1 is rotatably connected with the fan box 22. Preferably, the air conditioner outdoor unit of the embodiment of the invention adopts the scheme of the former, has simple structure and is convenient to install; in addition, in the embodiment of the invention, the centrifugal fan 21 is used for improving the air suction of the air conditioner, the centrifugal fan component 2 is rotated along the hinged shaft of the hinged support 3, the air outlet direction of the fan air outlet 221 is adjusted to be parallel to the air outlet direction of the building grating, and the air outlet resistance is reduced. In addition, the centrifugal fan is small in size, small in occupied space in the case, capable of reserving sufficient installation space for other parts and convenient to assemble and maintain the air conditioner.

Referring to fig. 6 to 7, the casing 1 of the outdoor unit of the air conditioner is surrounded by a top plate 11, a bottom plate 12, a front plate 13, a rear plate 14, and two side plates 15. The air conditioner outlet 101 may be disposed on the top plate 11, or on both side plates 15, or on the front panel 13, and the air conditioner inlet 102 may be disposed on the rear panel 14. In the embodiment of the present invention, the air conditioner outlet 101 is disposed on the front panel 13 of the housing 1, the air conditioner inlet 102 is disposed on the rear panel 14, and the centrifugal fan 21 is vertically installed in the fan box 22, and accordingly, the fan outlet 221 is disposed on the front panel of the fan box 22, and the fan inlet 222 is disposed on the rear panel of the fan box 22, as shown in fig. 6.

For convenience of operation, a driving device connected with the fan box 22 is required to be arranged on the shell 1, for example, the driving device comprises a motor and a controller, and a control button is arranged on the shell 1 to automatically control the rotation angle of the centrifugal fan assembly 2, but the driving structure is complex. Therefore, preferably, the driving lever 4 is connected to the fan box 22 in the embodiment of the present invention, the casing 1 is provided with the slideway 16 matched with the driving lever 4, and the driving lever 4 can move along the slideway 16, so as to drive the fan box 22 to rotate and adjust the air outlet angle of the fan air outlet 221, as shown in fig. 2 to 3, the structure is simple, and the processing cost is low.

Optionally, the hinge shaft of the housing 1 and the hinge shaft of the centrifugal fan assembly 2 may adopt a damping rotation shaft, so that the air outlet angle of the centrifugal fan assembly 2 is more, and the centrifugal fan assembly 2 may be changed along with the extending direction of the external building grille, thereby being applicable to the building external walls of various grilles with different angles. Of course, a locking structure may also be disposed on the housing 1, and the shift lever 4 is fixed by the locking structure, so that the shift lever 4 is fixed relative to the slide way 16, and the position locking of the centrifugal fan assembly 2 is realized.

Alternatively, the locking structure may adopt an elastic member sleeved on the matching position of the shift lever 4 and the slide way 16, and the shift lever 4 may be stopped at any position of the slide way by interference fit of the elastic member and the slide way 16, but such a structure is not only inconvenient to operate, but also the elastic member is easy to age for a long time and needs to be replaced frequently. Therefore, preferably, the locking structure of the embodiment of the present invention is the locking slot 17, and the locking slot 17 is communicated with the slide way 16, that is, during operation, the shift lever 4 can be moved first to move to a designated area along the slide way 16, and then the shift lever 4 is moved to the corresponding locking slot 17, so as to fix the fan box 22, as shown in fig. 2 to 3, the locking structure of the locking slot type is simple in structure and convenient to operate.

Specifically, the extending direction of the slide rail 16 is perpendicular to the extending direction of the slot 17, so that the shift lever 4 is prevented from sliding out of the slot 17. Optionally, the number of the card slots 17 is multiple, and the specific number can be selected according to actual needs. Referring to fig. 3, in the embodiment of the present invention, 3 slots 17 are provided, and the 3 slots 17 are respectively disposed at two side edges of the sliding slot 16 in a staggered manner.

Because the fan air outlet 221 is opposite to the air conditioner air outlet 101, air blown out from the fan air outlet 221 is prone to stay in the casing 1 of the air conditioner, and heat dissipation of the air conditioner is affected, in the embodiment of the invention, the air guide cover 5 is arranged in the casing 1, two ends of the air guide cover 5 are respectively connected with the edge of the fan air outlet 221 and the edge of the air conditioner air outlet 101, and the air blown out from the fan air outlet 221 can be guided to the air conditioner air outlet 101 through the air guide cover 5, as shown in fig. 4 to 8, the phenomenon that the air after heat exchange stays in the air conditioner is avoided, and therefore the cooling or heating effect of.

The shape and size of the blower outlet 221 and the air conditioner outlet 101 may be the same or different. Referring to fig. 6 to 7, in the embodiment of the present invention, the fan outlet 221 is smaller than the air conditioner outlet 101, so that the air conditioner has a larger air output, which is convenient for heat dissipation.

It is considered that the wind scooper 5 interferes with the fan case 22 when the fan case 22 rotates. Therefore, the embodiment of the invention is made of flexible materials, when the fan box 22 is rotated, the fan box 22 extrudes the wind scooper 5, so that the wind scooper 5 generates certain deformation, and the wind scooper 5 is prevented from interfering with the fan box 22. The flexible material used for the wind scooper 5 may be LDPE (Low-density polyethylene), HDPE (high-density polyethylene), or rubber.

Further, when the air conditioner outdoor unit is installed on a building grille extending in a horizontal direction, the fan box 22 is located at an initial position, and the stability of the fan box 22 is improved, in the embodiment of the present invention, a support seat 6 is provided in the casing 1, and the fan box 22 is supported by the support seat 6, as shown in fig. 6; when the fan box 22 rotates, the fan box 22 rotates in the direction P and leaves the support base 6, as shown in fig. 6 to 7.

Referring to fig. 8, the supporting seat 6 and the hinge support 3 may be disposed on the bottom plate 12 of the housing 1 according to an embodiment of the present invention, wherein the supporting seat 6 is disposed on one side far away from the air outlet 101, and the hinge support 3 is disposed on the other side near the air outlet 101.

Optionally, the centrifugal fan 21 includes a centrifugal fan and a motor, the motor may be an outer rotor motor or an inner rotor motor, and the outer rotor motor has the advantages of high efficiency, low noise, light weight, compact structure, convenient installation and maintenance, and the like.

In addition, the centrifugal fan assembly 2 further includes a fan mounting seat 23 and a motor mounting seat 24, the centrifugal fan 21 is fixedly connected with the fan box 22 through the fan mounting seat 23, the motor mounting seat 24 includes a mounting plate 241 and a connecting claw 242, the outer rotor motor is fixed on the mounting plate 241 and then fixedly connected with the fan box 22 through the connecting claw 242, as shown in fig. 4 and 6.

The embodiment of the invention also comprises an air conditioner which comprises the air conditioner outdoor unit in the technical scheme. Since the outdoor unit of the air conditioner of this embodiment has the same structure as that provided in the above-mentioned embodiments of the outdoor unit, both can solve the same technical problem and achieve the same desired effect.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.

Claims

1. An air conditioner outdoor unit comprises a shell, wherein an air conditioner air outlet and an air conditioner air inlet are formed in the shell, and the air conditioner outdoor unit is characterized in that a centrifugal fan assembly is arranged in the shell and is rotatably connected with the shell so that the centrifugal fan assembly can swing relative to the shell;

the centrifugal fan assembly comprises a fan box, a shifting rod is connected to the fan box, a sliding way matched with the shifting rod is arranged on the shell, and the shifting rod can move along the sliding way.

2. The outdoor unit of claim 1, wherein the centrifugal fan assembly further comprises a centrifugal fan, the centrifugal fan is disposed in the fan box, the fan box is provided with a fan outlet and a fan inlet, the fan outlet is disposed opposite to the air conditioner outlet, the fan inlet is disposed opposite to the air conditioner inlet, and the fan box is connected to the casing through a hinge support.

3. The outdoor unit of claim 1, wherein the casing further comprises a locking structure for fixing the driving lever to the sliding rail.

4. The outdoor unit of claim 3, wherein the locking structure is a locking groove, and the locking groove is in communication with the sliding path.

5. The outdoor unit of claim 2, wherein a wind scooper is installed in the casing, and both ends of the wind scooper are connected to the edge of the blower outlet and the edge of the air outlet, respectively.

6. The outdoor unit of claim 5, wherein the air guide cover is made of a flexible material.

7. The outdoor unit of claim 2, wherein a support base is provided in the casing, and the support base supports the fan box.

8. The outdoor unit of claim 7, wherein the centrifugal fan comprises a centrifugal fan and an outer rotor motor, and the centrifugal fan is in transmission connection with the outer rotor motor.

9. An air conditioner comprising the outdoor unit of any one of claims 1 to 8.