CN220396049U - Waterproof fan and heat pump outdoor unit - Google Patents
Waterproof fan and heat pump outdoor unit Download PDFInfo
- Publication number
- CN220396049U CN220396049U CN202321664072.7U CN202321664072U CN220396049U CN 220396049 U CN220396049 U CN 220396049U CN 202321664072 U CN202321664072 U CN 202321664072U CN 220396049 U CN220396049 U CN 220396049U
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- waterproof
- motor
- water
- axial flow
- fan
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 79
- 238000009434 installation Methods 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 5
- 239000003507 refrigerant Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model relates to a waterproof fan, which comprises an axial flow fan blade, wherein the axial flow fan blade comprises an installation cavity; the waterproof component is arranged in the installation cavity; the motor shell is arranged below the waterproof component, and the middle part of the motor shell is in a cone shape so as to facilitate water drainage; the axial flow motor is arranged inside the motor shell and further comprises a rotating shaft, and the axial flow fan blades, the waterproof assembly and the motor shell are sequentially sleeved on the axial flow motor through the shaft. The utility model also relates to a heat pump outdoor unit, which comprises a shell, wherein the shell comprises a base, side plates vertically arranged on the periphery of the base and a top cover, the top cover comprises an air outlet, and a protective net is arranged on the upper part of the air outlet; the waterproof fan is arranged inside the shell and is positioned below the protection net. The utility model can prevent the motor main body shell from being corroded or corroded easily, and can prevent rainwater from flowing into the motor from the rotating shaft, thereby prolonging the service life of the motor.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a waterproof fan and a heat pump outdoor unit.
Background
The heat pump is used as a high-efficiency energy-saving device for driving a refrigerant with a small amount of electric energy and obtaining energy from air, and is widely popularized nowadays, and the outdoor unit is used as an important constituent device of the heat pump, and usually the outdoor opportunity of the heat pump is placed in an outdoor environment. In an outdoor environment, the outdoor environment is affected by weather, so that certain requirements are put on the waterproof performance and the like of equipment.
In the prior art, the fan is arranged inside the outdoor unit and is directly arranged on the motor, when the outdoor unit is in rainy weather, the outdoor unit is relied on to reach most of water, and part of the water still enters the fan and even enters the motor shaft, so that after long-term use, corrosion can be caused to parts such as the motor shaft, equipment aging is caused, and certain potential safety hazards are buried.
Disclosure of Invention
Based on this, the utility model aims to provide a waterproof fan.
The detailed technical scheme of the waterproof fan is as follows:
a waterproof fan, comprising;
the axial flow fan comprises an installation cavity;
the waterproof component is arranged in the installation cavity;
the motor shell is arranged below the waterproof component, and the middle part of the motor shell is in a cone shape so as to facilitate water drainage;
the axial flow motor is arranged inside the motor shell and further comprises a rotating shaft, and the axial flow fan blades, the waterproof assembly and the motor shell are sequentially sleeved on the axial flow motor through the shaft.
Compared with the prior art, the technical scheme of the utility model can ensure that the whole motor is protected from water, so that the metal plate shell of the motor main body is not easy to rust or corrode, and water can be prevented from flowing into the motor from the motor shaft, thereby avoiding the risk of water inlet damage of the motor; the motor life is prolonged, and this device can also prevent that the rainwater from spreading in the outdoor unit casing inside, avoids the rainwater to splash on the air conditioning system part and influences heat exchange efficiency, guarantees the holistic normal work of organism. Therefore, the problems of after-sales and customer complaints of the upper air-out type heat pump outdoor unit are reduced, and unnecessary manpower and material resource expenditure is reduced.
Further, the mounting cavity is provided with an opening;
the waterproof assembly is a water baffle, and the water baffle covers the opening to prevent external water from entering the installation cavity.
Further, the extension of the water baffle is abutted against the opening.
Further, the water baffle further comprises a water guide surface which is obliquely arranged.
Further, the method also comprises the following steps;
the water storage tank comprises a flow guide pipe;
and the water guide surface is provided with overflow holes, and the water storage tank is connected with the overflow holes of the water guide surface through a guide pipe.
The utility model also provides a heat pump outdoor unit, which comprises a shell, wherein the shell comprises a base, side plates vertically arranged on the periphery of the base and a top cover, the top cover comprises an air outlet, and a protective net is arranged on the upper part of the air outlet;
the waterproof fan is arranged in the shell and is positioned below the protection net, and the waterproof fan further comprises;
the axial flow fan comprises an installation cavity;
the waterproof component is arranged in the installation cavity;
the motor shell is arranged below the waterproof component, and the middle part of the motor shell is in a cone shape so as to facilitate water drainage;
the axial flow motor is arranged inside the motor shell and further comprises a rotating shaft, and the axial flow fan blades, the waterproof assembly and the motor shell are sequentially sleeved on the axial flow motor through the shaft.
Further, the mounting cavity is provided with an opening;
the waterproof assembly is a water baffle, and the water baffle covers the opening to prevent external water from entering the installation cavity.
Further, the extension of the water baffle is abutted against the opening.
Further, the water baffle further comprises a water guide surface which is obliquely arranged.
Further, the method also comprises the following steps;
the water storage tank comprises a flow guide pipe;
and the water guide surface is provided with overflow holes, and the water storage tank is connected with the overflow holes of the water guide surface through a guide pipe.
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
Drawings
FIG. 1 is a schematic view of a heat pump outdoor unit according to the present utility model;
fig. 2 is a perspective assembly view of the waterproof fan of fig. 1;
FIG. 3 is a cross-sectional view of the waterproof fan of FIG. 1;
FIG. 4 is a schematic view of an axial flow fan blade in the waterproof fan of FIG. 2;
FIG. 5 is an enlarged view of a portion of FIG. 3;
FIG. 6 is a schematic view of the motor housing of the waterproof fan of FIG. 2;
fig. 7 is a schematic structural diagram of a waterproof assembly of the embodiment of the waterproof fan of fig. 2.
Detailed Description
In the prior art, the heat pump outdoor unit mainly comprises four parts, namely a compressor, an evaporator, a condenser and a throttling element. When the air conditioner is in operation, the compressor is powered on, the compressor compresses and outputs high-temperature and high-pressure refrigerant, the high-temperature and high-pressure refrigerant exchanges heat in the condenser, and after being throttled by the throttling element, the refrigerant exchanges heat with air in the evaporator, absorbs a heat source in the air and enters the compressor, so that the refrigerant circulation is completed. The air blower is arranged in the outdoor unit to forcibly suck the outdoor air through the evaporator, thereby increasing the amount of energy in the air absorbed by the refrigerant in the evaporator. The condenser may be a water side heat exchanger, such as a titanium tube heat exchanger or a double tube heat exchanger; the evaporator may be a fin heat exchanger and is disposed in the heat pump outdoor unit.
As described above, a heat pump is now widely used as a high-efficiency energy-saving device that drives a refrigerant with a small amount of electric energy and obtains energy from air. And the outdoor unit is an important constituent device of the heat pump, and the outdoor unit of the heat pump is usually placed in an outdoor environment. It is greatly affected by weather, such as hail, heavy rain, etc., so that certain requirements are put on the waterproof performance of the equipment. Particularly, for the upper air outlet set, as the top is arranged at the air outlet, the upper air outlet set is more easily affected by hail and stormy weather.
The inventor researches an upper air-out type outdoor unit, and found that, as an upper air-out type outdoor unit air outlet is arranged on a top cover, when raining, rainwater easily falls onto a fan through the air outlet of the top cover, part of the rainwater falling onto the fan is blocked by rotating fan blades, and other rainwater still enters the fan along with part of the fan, even enters a motor shaft, so that after long-term use, corrosion can be caused to parts such as the motor shaft, and equipment is further aged. Therefore, the utility model provides the heat pump outdoor unit with the waterproof function, and the waterproof assembly and the motor shell are additionally arranged on the fan to prevent rainwater from contacting with the motor, so that the influence of the rainwater on the motor is avoided.
Referring to fig. 1, a heat pump outdoor unit in the present application includes a housing 1, a fan 2, a compressor, and other system components. The shell comprises a base 11, side plates 12 vertically arranged around the base and a top cover 13, wherein the top cover 13 comprises an air outlet 131, and a protective net is arranged on the upper portion of the air outlet 131. The protective net is arranged on one side of the fin heat exchanger so as to prevent external foreign matters from entering the fin heat exchanger, thereby causing damage to the fin heat exchanger. The side plate 12 is a sheet metal part and is arranged around the heat pump outdoor unit. The top plate 13 is arranged above the side plate 12, a fan bracket 132 is arranged below the fan protection net, and the fan bracket 132 supports the fan 2. The base 11, the side plates 12 and the top plate 13 form the shell 1, and form a cavity for accommodating the compressor, the fan 2 and the like.
Referring to fig. 2-3, in one embodiment, the fan bracket 132 is U-shaped, and the fan bracket 132 includes two support arms 132A on two sides and a mounting bracket 132B located in the middle of the two support arms. The mounting bracket 132B is provided with a mounting surface provided with a plurality of mounting through holes for mounting the fan. The fan bracket 132 is U-shaped, and is fixed to the top plate 13 by the mounting arms 132A on both sides, thereby saving the installation space.
In one embodiment, the number of the fans 2 is set according to the space size of the heat pump outdoor unit and the area of the fin heat exchanger, so that the wind extracted by the fans 2 can be fully exchanged with the fin heat exchanger, the purpose of uniform heat exchange is achieved, the refrigerant of the heat pump system can be fully gasified in the fin heat exchanger, and in the application, the number of the fans 2 can be two.
In one embodiment, the fan 2 is disposed below the air outlet 131 through the fan bracket 132, and the waterproof fan 20 includes an axial fan blade 21, a waterproof assembly 22, a motor housing 23, and an axial motor 24.
Referring to fig. 4, the axial flow fan 21 includes an installation cavity 211 and blades 212 disposed around the installation cavity, the installation cavity 211 is further provided with an opening and a first installation through hole, and the axial flow fan 21 is sleeved on the axial flow motor 24 through the first installation through hole.
The waterproof component 22 is arranged in the installation cavity 211, and the waterproof component 22 resists the splashing of external water. In one embodiment, the waterproof assembly 22 is a water barrier, and the water barrier 22 resists external water entering the mounting cavity 211.
Further, in order to better prevent external water from splashing into the mounting cavity, in one embodiment, the extension of the water deflector 22 abuts the opening. The manner in which the extension of the water baffle 22 abuts against the opening is as follows, 1) the extension of the water baffle 22 abuts against the opening to block the opening, so as to avoid water from entering the installation cavity 211; 2) The extension of the water baffle 22 abuts against the opening to approximately block the opening, and a certain gap is reserved, so that water in the installation cavity 211 can be discharged through the gap.
Further, in order to better drain the water in the installation cavity 211, in one embodiment, the water baffle 22 is provided with a water guiding surface, so that the water entering the installation cavity of the axial flow fan 21 can flow out along the water guiding surface.
Further, in order to better drain the water of the installation cavity 211, in one embodiment, the water guiding surface is inclined, and the water guiding surface is inclined toward the opening side, so as to drain more quickly.
The motor housing 23 is used for being sleeved outside the axial flow motor 24 to prevent external water from splashing into the axial flow motor 24, the motor housing 23 is arranged below the waterproof assembly 22, and the motor housing 23 is a plastic component with a cylindrical upper part and a cylindrical lower part and a conical middle part.
The axial flow motor 24 is arranged inside the motor housing 23, the axial flow motor 23 further comprises a rotating shaft, and the axial flow fan blades 21, the waterproof assembly 22 and the motor housing 23 are sequentially sleeved on the axial flow motor 24 through the shaft.
Further, referring to fig. 5, in one embodiment, a limit bump 231 is further disposed on the upper portion of the motor housing 23, and when the waterproof assembly 22 is sleeved on the upper portion of the motor housing 23, the waterproof assembly 22 may be pressed down until the waterproof assembly card 22 is disposed in the limit bump 231, so that the waterproof assembly 22 may be fixed on the motor housing 23, and the waterproof assembly 22 may be kept in contact with the opening of the mounting cavity 211 of the axial fan blade 21, so that rainwater cannot flow into the fan 2 through the waterproof assembly 22 and contact with the axial fan or the axial flow motor 24.
Further, in order to better fix the motor housing 23, referring to fig. 6, in one embodiment, a nut avoiding hole 232 and a through hole 233 for fixing a bolt are uniformly formed on a joint surface between the bottom of the motor housing 23 and the axial flow motor 24, and an avoiding groove 234 is formed on the outer side of the lower portion of the motor housing 23 to avoid a fastening tool, so that a bolt can be conveniently mounted to the through hole 233.
In use, the axial flow motor 24 is placed on the mounting surface of the fan bracket 132, then the motor housing 23 penetrates through the motor shaft and covers the axial flow motor 24, and the axial flow motor 24 and the motor housing 23 are further fixedly mounted on the fan bracket 132 by fixing bolts; further, the waterproof assembly 22 is sleeved into a cylinder at the upper part of the motor housing 23 and is pressed to the limit protruding point 231, and glue is coated at a joint of the inner ring of the waterproof assembly 22 and the motor housing 23 for fastening; further, the axial flow fan blade 21 is sleeved into the motor shaft and fixed by using a hexagonal nut. When the heat pump outdoor unit using the waterproof fan encounters rainy weather, rainwater can fall onto the fan 2 through the air outlet 131 of the top cover, even if the rainwater flows downwards along the jack in the middle of the fan 2 through the rotating shaft of the axial flow motor 24, the rainwater can be blocked by the waterproof component 22 clung to the bottom surface of the axial flow fan blade 21 or can be guided and discharged, and the motor shell 23 sleeved on the axial flow motor 24 can integrally protect the axial flow motor 24, so that the axial flow motor 24 is prevented from being damaged by the rainwater.
In another embodiment, referring to fig. 7, the waterproof assembly 22 has a disc-shaped structure with a circular hole in the middle, and in this embodiment, a fixed side plate 221 is further disposed on the circular hole, and the fixed side plate 221 can be better fit and sleeved on the upper portion of the motor housing 23.
Further, in order to better drain the rainwater in the waterproof assembly 22, in this embodiment, an overflow hole 222 is further provided on the water guiding surface of the waterproof assembly 22. The fan bracket 132 is further provided with a water storage tank, and the water storage tank is connected with the overflow hole 222 of the waterproof assembly through a diversion pipe so as to store excessive rainwater in the waterproof assembly 22.
When the heat pump outdoor unit using the waterproof assembly encounters rainy weather, rainwater falls onto the fan 2 through the air outlet 131 of the top cover 13, the rainwater enters into the waterproof assembly 22 along the axial flow fan blades 21 and the rotating shaft of the axial flow motor, when the rainwater in the waterproof assembly 22 overflows through the overflow holes 222, the rainwater enters into the water storage tank through the water guide pipe connected with the overflow holes 222, so that the rainwater is prevented from damaging the axial flow motor 24, and the motor housing 23 sleeved on the axial flow motor 24 integrally protects the axial flow motor 24, so that the axial flow motor 24 is prevented from being damaged by the rainwater.
Compared with the prior art, the technical scheme of the utility model can ensure that the whole motor is protected from water, so that the metal plate shell of the motor main body is not easy to rust or corrode, and water can be prevented from flowing into the motor from the motor shaft, thereby avoiding the risk of water inlet damage of the motor; the motor life is prolonged, and this device can also prevent that the rainwater from spreading in the outdoor unit casing inside, avoids the rainwater to splash on the air conditioning system part and influences heat exchange efficiency, guarantees the holistic normal work of organism. Therefore, the problems of after-sales and customer complaints of the upper air-out type heat pump outdoor unit are reduced, and unnecessary manpower and material resource expenditure is reduced.
The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the utility model, and the utility model is intended to encompass such modifications and improvements.
Claims (10)
1. A waterproof fan, comprising;
the axial flow fan comprises an installation cavity;
the waterproof component is arranged in the installation cavity;
the motor shell is arranged below the waterproof component, and the middle part of the motor shell is in a cone shape so as to facilitate water drainage;
the axial flow motor is arranged inside the motor shell and further comprises a rotating shaft, and the axial flow fan blades, the waterproof assembly and the motor shell are sequentially sleeved on the axial flow motor through the shaft.
2. The waterproof fan of claim 1, wherein:
the mounting cavity is provided with an opening;
the waterproof assembly is a water baffle, and the water baffle covers the opening to prevent external water from entering the installation cavity.
3. The waterproof fan of claim 2, wherein: the extension of the water baffle is abutted against the opening.
4. The waterproof fan of claim 2, wherein: the water baffle also comprises a water guide surface which is obliquely arranged.
5. The waterproof fan of claim 4, wherein: also comprises;
the water storage tank comprises a flow guide pipe;
and the water guide surface is provided with overflow holes, and the water storage tank is connected with the overflow holes of the water guide surface through a guide pipe.
6. A heat pump outdoor unit, characterized in that: comprises the following steps of;
the shell comprises a base, side plates vertically arranged around the base and a top cover, wherein the top cover comprises an air outlet, and a protective net is arranged at the upper part of the air outlet;
the waterproof fan is arranged in the shell and is positioned below the protection net, and the waterproof fan further comprises;
the axial flow fan comprises an installation cavity;
the waterproof component is arranged in the installation cavity;
the motor shell is arranged below the waterproof component, and the middle part of the motor shell is in a cone shape so as to facilitate water drainage;
the axial flow motor is arranged inside the motor shell and further comprises a rotating shaft, and the axial flow fan blades, the waterproof assembly and the motor shell are sequentially sleeved on the axial flow motor through the shaft.
7. The heat pump outdoor unit of claim 6, wherein:
the mounting cavity is provided with an opening;
the waterproof assembly is a water baffle, and the water baffle covers the opening to prevent external water from entering the installation cavity.
8. The heat pump outdoor unit of claim 7, wherein: the extension of the water baffle is abutted against the opening.
9. The heat pump outdoor unit of claim 7, wherein: the water baffle also comprises a water guide surface which is obliquely arranged.
10. The heat pump outdoor unit of claim 9, wherein:
the water storage tank comprises a flow guide pipe;
and the water guide surface is provided with overflow holes, and the water storage tank is connected with the overflow holes of the water guide surface through a guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321664072.7U CN220396049U (en) | 2023-06-27 | 2023-06-27 | Waterproof fan and heat pump outdoor unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321664072.7U CN220396049U (en) | 2023-06-27 | 2023-06-27 | Waterproof fan and heat pump outdoor unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220396049U true CN220396049U (en) | 2024-01-26 |
Family
ID=89601158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321664072.7U Active CN220396049U (en) | 2023-06-27 | 2023-06-27 | Waterproof fan and heat pump outdoor unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220396049U (en) |
-
2023
- 2023-06-27 CN CN202321664072.7U patent/CN220396049U/en active Active
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