CN212299214U - Outdoor machine of air conditioner - Google Patents
Outdoor machine of air conditioner Download PDFInfo
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- CN212299214U CN212299214U CN202020461273.7U CN202020461273U CN212299214U CN 212299214 U CN212299214 U CN 212299214U CN 202020461273 U CN202020461273 U CN 202020461273U CN 212299214 U CN212299214 U CN 212299214U
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Abstract
The utility model relates to a technical field of air conditioner, the utility model discloses an air condensing units is disclosed, including outdoor unit host computer and sound-proof housing, the sound-proof housing includes the casing, wind-guiding circle and sound absorption layer, the holding intracavity at the casing is installed to the outdoor unit host computer, noise that produces to outdoor unit host computer operation in-process through the sound absorption layer that sets up on shells inner wall inhales the sound and falls and make an uproar, need not to improve the inner structure of off-premises station, its operation is simpler, the cost is lower, and simultaneously, be equipped with air intake and the air exit corresponding with the outdoor unit host computer on the casing, still be equipped with the wind-guiding circle in air exit department, axial fan takes away the heat that the refrigerant emitted through the condenser from the air inlet suction outdoor air current of sound-proof housing, the air current after the air-guiding circle guide heat exchange discharges through the.
Description
Technical Field
The utility model relates to a technical field of air conditioner especially relates to an air condensing units.
Background
With the popularization of air conditioners, irregular, spaced or continuous noise generated by the operation of the air conditioners also directly affects the work and life of users, particularly, the noise of an outdoor unit of a split air conditioner is 20 to 35dB higher than that of an indoor unit due to the installation of a compressor and an axial flow fan, and noise interference is still generated in indoor spaces needing silence, such as a study room, a bedroom and the like although the outdoor unit is installed outside a house, so that the noise reduction design of the outdoor unit of the air conditioner is very necessary.
At present, the design of making an uproar falls to air condensing units is generally to inhale the sound through soundproof cotton at compressor housing cladding soundproof cotton, perhaps through changing axial fan blade shape and then from modes such as noise reduction in the source, these two kinds of modes all need improve the inner structure of off-premises station, the factor that need consider is more, the operation is more complicated, general cost is higher, and, because air condensing units normally works, its surface temperature is higher, can directly influence soundproof cotton's sound insulation performance and life, can bring the potential safety hazard even.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the existing methods for performing noise reduction on the outdoor unit all need to improve the internal structure of the outdoor unit, and have more factors to be considered and more complex operation.
In order to solve the technical problem, the utility model provides an air conditioner outdoor unit, which comprises an outdoor unit main unit and a sound-proof cover, wherein the outdoor unit main unit comprises an axial flow fan and a condenser;
the sound enclosure includes:
the air conditioner comprises a shell, wherein an accommodating cavity for accommodating the outdoor unit host is formed in the shell, and an air inlet and an air outlet which correspond to the outdoor unit host are formed in the shell, wherein the air inlet is close to the condenser, and the air outlet is close to the axial flow fan;
the air guide ring is positioned in the accommodating cavity and is arranged at the air outlet;
and the sound absorption layer is uniformly arranged on the inner wall of the shell.
Further preferably, the housing is made of metal or plastic;
when the shell is made of metal, the thickness of the shell is 0.5 mm-3 mm;
when the shell is made of plastic materials, the thickness of the shell is 3 mm-10 mm.
Further preferably, the sound absorption layer is a fiber-based sound absorption material or a foam-based sound absorption material.
Further preferably, the sound absorbing layer has a thickness of 5mm to 20 mm.
Preferably, the air guide ring is in a horn shape, the air guide ring is provided with a large end and a small end, the small end is connected with the air outlet, and the distance between the large end and the outdoor unit host is 10-100 mm.
Further preferably, the center line of the air guiding ring and the rotation center of the axial flow fan are located on the same straight line, and the minimum aperture of the air guiding ring is greater than or equal to the rotation diameter of the axial flow fan.
Further preferably, the casing is enclosed by front bezel, back plate, left side board, right side board, roof and bottom plate and closes and form, the air intake is located on the back plate, the air exit is located on the front bezel, outdoor unit host computer is located on the bottom plate, wherein, the front bezel with right side board integrated into one piece, the back plate with left side board integrated into one piece.
Further preferably, the rear plate is provided with a pipe hole for installing a connecting pipeline.
Further preferably, a drain hole is formed at the bottom of the left side plate or the right side plate.
Further preferably, the volume of the accommodating cavity is 2-8 times of the volume of the outdoor unit host machine.
The embodiment of the utility model provides an air condensing units compares with prior art, and its beneficial effect lies in:
the utility model discloses an air condensing units, including outdoor unit host computer and sound-proof housing, the sound-proof housing includes the casing, wind-guiding circle and sound absorbing layer, the holding intracavity at the casing is installed to the outdoor unit host computer, noise that produces the outdoor unit host computer operation in-process through the sound absorbing layer that sets up on shells inner wall inhales the sound and falls and make an uproar, need not to improve the inner structure of off-premises station, its operation is fairly simple, the cost is lower, and simultaneously, be equipped with air intake and the air exit corresponding with the outdoor unit host computer on the casing, still be equipped with the wind-guiding circle in air exit department, axial fan takes away the heat that the refrigerant emitted through the condenser from the air inlet suction outdoor air current of sound-proof housing, the air current after the air-guiding circle guide heat exchange is discharged through the air exit, thereby guarantee the radiating.
Drawings
Fig. 1 is a schematic cross-sectional view of an air conditioner outdoor unit according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of an outdoor unit of an air conditioner according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a top plate according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a top plate according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a front plate-right side plate of an embodiment of the present invention;
fig. 6 is a schematic structural view of a rear plate-left side plate according to an embodiment of the present invention.
In the figure, 10, an outdoor unit main machine; 20. a sound-proof housing; 101. an axial flow fan; 102. a condenser; 20a, a housing; 20b, an air guide ring; 20c, a sound absorbing layer; 201. an accommodating cavity; 202. an air inlet; 203. an air outlet; 204. a front plate; 205. a back plate; 206. a left side plate; 207. a right side plate; 208. a top plate; 209. a base plate; 210. a tube hole; 211. and (4) draining the water.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.
As shown in fig. 1 to 6, an outdoor unit of an air conditioner according to a preferred embodiment of the present invention includes an outdoor unit main unit 10 and a sound-proof housing 20, the outdoor unit main unit 10 includes an axial fan 101 and a condenser 102, heat emitted by a refrigerant is taken away by outdoor air flow sucked by the axial fan 101 through the condenser 102, so that high-pressure refrigerant vapor is condensed into high-pressure liquid, the sound-proof housing 20 includes a housing 20a, a wind-guiding ring 20b and a sound-absorbing layer 20c, a housing chamber 201 for housing the outdoor unit main unit 10 is disposed in the housing 20a, an air inlet 202 and an air outlet 203 corresponding to the outdoor unit main unit 10 are disposed on the housing 20a, wherein, the air inlet 202 is close to the condenser 102, the air outlet 203 is close to the axial fan 101, the air guiding ring 20b is located in the accommodating cavity 201, the air guiding ring 20b is disposed at the air outlet 203, and the sound absorbing layer 20c is uniformly disposed on the inner wall of the housing 20a, so as to achieve uniform sound absorption and noise reduction of the accommodating cavity 201.
Based on the above-mentioned outdoor unit of air conditioner, the outdoor unit 10 is installed in the housing cavity 201 of the casing 20a, the sound absorption layer 20c installed on the inner wall of the casing 20a is used to absorb and reduce the noise generated during the operation of the outdoor unit 10, there is no need to improve the internal structure of the outdoor unit, the operation is simple, the cost is low, and because the internal structure of the outdoor unit is not improved, the sound absorption and noise reduction structure of the outdoor unit can treat the middle and low frequency noise to a certain extent, then the sound insulation cover 20 in this embodiment can further absorb and reduce the sound and noise of the low frequency noise, especially the low frequency noise below 500Hz, meanwhile, the casing 20a is provided with the air inlet 202 and the air outlet 203 corresponding to the outdoor unit 10, the air outlet 203 is further provided with the air guiding ring 20b, the axial flow fan 101 sucks the outdoor air from the air inlet 202 of the sound insulation cover 20 and takes away the heat discharged by the refrigerant 102 through, the air guiding ring 20b guides the air flow after heat exchange to be discharged through the air outlet 203, thereby ensuring the heat dissipation efficiency of the outdoor unit main machine 10 and further ensuring the normal use of the outdoor unit.
Generally, the air inlet 202 and the air outlet 203 are both arranged in a grid structure, in order to reduce the air flow noise, the center of the grid where the air outlet 203 is arranged coincides with the rotation center line of the axial flow fan 101, and the gap area of the grid of the air outlet 203 is 0.3 to 0.8 times of the rotation area of the axial flow fan 101, and preferably 0.5 times is used in this embodiment.
Specifically, the casing 20a is made of metal or plastic, so as to ensure the stability of the sound-proof cover 20, and in order to increase the surface density of the casing 20a and further improve the noise reduction effect of the sound-proof cover, in this embodiment, when the casing 20a is made of metal, the thickness of the casing 20a is 0.5mm to 3mm, and when the casing 20a is made of plastic, the thickness of the casing 20a is 3mm to 10 mm.
In this embodiment, the sound absorption layer 20c is a fiber sound absorption material or a foam sound absorption material, and specifically may be a foam sound absorption material such as polyurethane or a fiber sound absorption material such as glass fiber, and the type and specification may be determined according to the spectral characteristics of the noise source and the construction space, for example, the sound absorption layer 20c may be sound absorption cotton, and the sound absorption cotton is uniformly adhered to the inner wall of the casing 20 a. The sound absorbing layer 20c preferably has a thickness of 5mm to 20 mm.
Further, the air guiding ring 20b is in a trumpet shape, the air guiding ring 20b has a large end and a small end, the small end is connected with the air outlet 203, the distance between the large end and the outdoor unit main unit 10 is 10mm to 100mm, the air flow is discharged from the air outlet of the outdoor unit main unit 10 through the air outlet 203 of the casing 20a, the air flow between the air outlet of the outdoor unit main unit 10 and the air outlet 203 of the casing 20a is gradually increased in pressure from the large end to the small end of the air guiding ring 20b so as to better guide the air flow to be discharged to realize convection, a gap is arranged between the large end of the air guiding ring 20b and the outdoor unit main unit 10, the gap distance D is 10mm to 100mm, in this embodiment, 20mm is preferred, hot air generated by the outdoor unit main unit 10 inside the casing 20a is prevented from forming an internal circulation in the accommodating cavity 201. In order to further enhance the flow guiding effect of the air guiding ring 20b, the center line of the air guiding ring 20b and the rotation center of the axial flow fan 101 are arranged on the same straight line, and the minimum aperture of the air guiding ring 20b is greater than or equal to the rotation diameter of the axial flow fan 101, in this embodiment, the effect of setting the minimum aperture of the air guiding ring 20b to be equal to 1.05 times of the rotation diameter of the axial flow fan 101 is optimal.
Referring to fig. 2, the casing 20a is formed by enclosing a front plate 204, a rear plate 205, a left side plate 206, a right side plate 207, a top plate 208, and a bottom plate 209 so as to better match with the outdoor unit main unit 10, and generally forms a square casing, the air inlet 202 is disposed on the rear plate 205, the air outlet 203 is disposed on the front plate 204, and the outdoor unit main unit 10 is disposed on the bottom plate 209, wherein the front plate 204 and the right side plate 207 are integrally formed, and the rear plate 205 and the left side plate 206 are integrally formed, so that no additional assembly is required, and the operation is convenient.
In this embodiment, the rear plate 205 is provided with a pipe hole 210 for installing a connection pipe, a refrigerant pipe passes through the pipe hole 210 of the rear plate 205 and is connected between the outdoor unit main unit 10 and the indoor unit, thereby ensuring the integrity of the soundproof cover 20, and the bottom of the left side plate 206 or the right side plate 207 is provided with a drain hole 211, and the drain hole 211 is used for defrosting and draining the outdoor unit during heating.
In order to ensure sufficient heat dissipation of the soundproof cover 20 and ensure sound absorption and noise reduction effects of the sound absorption layer 20c, the volume of the accommodating cavity 201 is 2 to 8 times of the volume of the outdoor unit main unit 10 in this embodiment.
To sum up, the embodiment of the present invention provides an outdoor unit of an air conditioner, including an outdoor unit main unit 10 and a sound-proof cover 20, the sound-proof cover 20 includes a casing 20a, a wind-guiding ring 20b and a sound-absorbing layer 20c, the outdoor unit main unit 10 is installed in an accommodating cavity 201 of the casing 20a, the sound-absorbing layer 20c disposed on the inner wall of the casing 20a is used to absorb and reduce the noise generated during the operation of the outdoor unit main unit 10, there is no need to improve the internal structure of the outdoor unit, the operation is simple, the cost is low, meanwhile, the casing 20a is provided with a wind inlet 202 and a wind outlet 203 corresponding to the outdoor unit main unit 10, the wind-guiding ring 20b is further disposed at the wind outlet 203, the axial fan 101 sucks the heat emitted by the outdoor air flowing through the condenser 102 from the air inlet of the sound-proof cover 20, the wind-guiding ring 20b guides the air flowing after heat exchange to be discharged, thereby ensuring the normal use of the outdoor unit.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. An outdoor unit of an air conditioner is characterized by comprising an outdoor unit host and a sound-proof cover, wherein the outdoor unit host comprises an axial flow fan and a condenser;
the sound enclosure includes:
the air conditioner comprises a shell, wherein an accommodating cavity for accommodating the outdoor unit host is formed in the shell, and an air inlet and an air outlet which correspond to the outdoor unit host are formed in the shell, wherein the air inlet is close to the condenser, and the air outlet is close to the axial flow fan;
the air guide ring is positioned in the accommodating cavity and is arranged at the air outlet;
and the sound absorption layer is uniformly arranged on the inner wall of the shell.
2. The outdoor unit of claim 1, wherein the casing is made of a metal material or a plastic material;
when the shell is made of metal, the thickness of the shell is 0.5 mm-3 mm;
when the shell is made of plastic materials, the thickness of the shell is 3 mm-10 mm.
3. The outdoor unit of claim 1, wherein the sound absorption layer is a fibrous sound absorption material or a foamed sound absorption material.
4. The outdoor unit of claim 3, wherein the sound absorption layer has a thickness of 5mm to 20 mm.
5. The outdoor unit of any one of claims 1 to 4, wherein the air guide ring has a horn shape, the air guide ring has a large end and a small end, the small end is connected to the air outlet, and a distance between the large end and the outdoor unit main body is 10mm to 100 mm.
6. The outdoor unit of claim 5, wherein a center line of the air-guide ring is positioned on the same line as a rotation center of the axial flow fan, and a minimum diameter of the air-guide ring is greater than or equal to a rotation diameter of the axial flow fan.
7. The outdoor unit of claim 6, wherein the casing is defined by a front plate, a rear plate, a left side plate, a right side plate, a top plate, and a bottom plate, the air inlet is formed in the rear plate, the air outlet is formed in the front plate, and the outdoor unit main body is formed in the bottom plate, wherein the front plate is integrally formed with the right side plate, and the rear plate is integrally formed with the left side plate.
8. The outdoor unit of claim 7, wherein the rear plate is provided with pipe holes for installing the connection pipes.
9. The outdoor unit of claim 7, wherein a drain hole is formed at a bottom of the left or right side plate.
10. The outdoor unit of claim 6, wherein the volume of the receiving chamber is 2 to 8 times the volume of the outdoor unit main unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461273.7U CN212299214U (en) | 2020-04-01 | 2020-04-01 | Outdoor machine of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020461273.7U CN212299214U (en) | 2020-04-01 | 2020-04-01 | Outdoor machine of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212299214U true CN212299214U (en) | 2021-01-05 |
Family
ID=73962628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020461273.7U Active CN212299214U (en) | 2020-04-01 | 2020-04-01 | Outdoor machine of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212299214U (en) |
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2020
- 2020-04-01 CN CN202020461273.7U patent/CN212299214U/en active Active
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