CN213208278U - Outdoor unit of air source heat pump - Google Patents
Outdoor unit of air source heat pump Download PDFInfo
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- CN213208278U CN213208278U CN202021702422.0U CN202021702422U CN213208278U CN 213208278 U CN213208278 U CN 213208278U CN 202021702422 U CN202021702422 U CN 202021702422U CN 213208278 U CN213208278 U CN 213208278U
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- screw rod
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Abstract
The utility model discloses an air source heat pump's off-premises station, it includes: the heat exchanger comprises a shell, wherein a fan and a heat exchanger are respectively arranged above and below the inside of the shell, heat exchange tubes of the heat exchanger are horizontally arranged, loops for flowing of refrigerants in the heat exchange tubes are connected in parallel, and the liquid supply direction of the refrigerants in each loop is from bottom to top; the screw rod is horizontally arranged in the shell through the mounting seat; the screw rod is connected with a nut, the bottom of the nut is fixedly provided with a connecting block, and the bottom of the connecting block is fixedly provided with a fan; the motor is connected with one end of the screw rod and is used for driving the screw rod to rotate in a reciprocating manner; the fan comprises a fan housing, wherein the fan housing is sleeved outside the fan, the bottom of the fan housing is provided with a vertical air collecting pipe extending downwards, the bottom of the air collecting pipe is provided with a horizontal air distributing pipe, and a plurality of air outlet nozzles are arranged on the air distributing pipe at intervals. The utility model discloses furthest avoids freezing of refrigerant to store up the problem, and can improve the homogeneity that each parallel circuit refrigerant supplied with.
Description
Technical Field
The utility model relates to an air source heat pump technical field especially relates to an air source heat pump's off-premises station.
Background
The air source heat pump is an energy-saving device which utilizes high-level energy to enable heat to flow from low-level heat source air to a high-level heat source, the air source heat pump is driven by a motor, and utilizes the working principle of vapor compression refrigeration cycle to prepare cold (hot) air or cold (hot) water by taking ambient air as a cold (hot) source. The air energy (source) heat pump uses the heat in the air as a low-temperature heat source, exchanges heat through a condenser or an evaporator in a traditional air conditioner, and extracts or releases heat energy through a circulating system.
However, the outdoor heat exchanger of the existing air source heat pump is usually in a V shape, an L shape, and an H shape, and is provided with a water pan, and the liquid supply mode thereof is an up-supply and down-return type, and the defects exposed in the actual use process are as follows: the liquid supply of the refrigerant in each group of parallel heat exchange tubes of the outdoor heat exchanger is uneven, and the defrosted water can not timely separate from the heat exchange tubes in winter to gradually form an ice layer, so that the heat exchange effect of the outdoor heat exchanger is poor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses solve the technical problem who exists among the prior art to it is even to provide a each parallel circuit refrigerant supply, can guarantee the off-premises station of the air source heat pump of the heat transfer effect of each circuit completely.
The above technical problem of the present invention can be solved by the following technical solutions:
the utility model provides an air source heat pump's off-premises station, it includes: the screw rod, the motor and the air collecting cover are arranged in the shell;
the heat exchanger comprises a shell, wherein a fan and a heat exchanger are respectively arranged above and below the inside of the shell, heat exchange tubes of the heat exchanger are horizontally arranged, the heat exchange tubes are of an S-shaped structure, loops for flowing of refrigerants in the heat exchange tubes are connected in parallel, and liquid supply directions of the refrigerants in the loops are from bottom to top;
the screw rod is horizontally arranged inside the shell through the mounting seat; the screw rod is connected with a nut, the bottom of the nut is fixedly provided with a connecting block, and the bottom of the connecting block is fixedly provided with the fan;
the motor is connected with one end of the screw rod and is used for driving the screw rod to rotate in a reciprocating manner;
the fan comprises a fan housing, wherein the fan housing is sleeved outside the fan, the bottom of the fan housing is provided with a vertical air collecting pipe extending downwards, the bottom of the air collecting pipe is provided with a horizontal air distributing pipe, a plurality of air outlet nozzles are arranged on the air distributing pipe at intervals, and the positions of the air outlet nozzles correspond to the positions of the bottoms of the heat exchange pipes of the S-shaped structures.
Further, a solar cell is arranged at the top of the shell and connected with the motor.
Furthermore, the wind-collecting cover is in a shape of a circular truncated cone with a large upper part and a small lower part, and the upper part of the wind-collecting cover is provided with a dust screen.
Furthermore, a limit stop is arranged on the inner side of the mounting seat, and the position of the limit stop corresponds to the upper position of the connecting block.
Furthermore, a plurality of the air outlet nozzles are distributed at equal intervals along the length direction of the air distribution pipe.
The beneficial effects of the utility model reside in that: outdoor air is blown from the bottom to the top of the heat exchange tubes by the fan, the heat exchange efficiency of the heat exchange tubes connected in parallel can be sequentially improved according to the wind speed gradient, and the lowest heat exchange tube which is lowest in temperature and most prone to icing and accumulating has the highest wind speed, so that the problem of icing and accumulation of the refrigerant is avoided to the maximum extent. Meanwhile, the screw rod is driven by the motor to rotate in a reciprocating mode, the screw nut, the connecting block and the fan are driven to move in a reciprocating mode in the horizontal direction, the air outlet nozzles on the air distribution pipe can uniformly blow air to the whole heat exchange pipe, and therefore the uniformity of supply of refrigerants of all parallel loops is improved.
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 these drawings without creative efforts.
Fig. 1 is a schematic structural view of an outdoor unit of an air source heat pump according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be more clearly and clearly defined.
6. Referring to fig. 1, the outdoor unit of the air source heat pump of the present invention includes: the screw rod, the motor and the air collecting cover are arranged in the shell;
the heat exchanger comprises a shell 1, wherein a fan 2 and a heat exchanger 3 are respectively arranged above and below the inside of the shell 1, heat exchange tubes 4 of the heat exchanger 3 are horizontally arranged, the heat exchange tubes are of an S-shaped structure, loops for flowing of refrigerants in the heat exchange tubes 4 are connected in parallel, and the liquid supply direction of the refrigerants in each loop is from bottom to top;
the screw rod 5 is horizontally arranged in the shell 1 through the mounting seat 6; the screw 5 is connected with a nut 7, the bottom of the nut 7 is fixed with a connecting block 8, and the bottom of the connecting block 8 is fixed with the fan 2;
the motor 9 is connected with one end of the screw rod 5, and the motor 9 is used for driving the screw rod 5 to rotate in a reciprocating manner;
the fan cover 10 is sleeved outside the fan 9, the bottom of the fan cover 10 is provided with a vertical air collecting pipe 11 extending downwards, the bottom of the air collecting pipe 11 is provided with a horizontal air distributing pipe 12, the air distributing pipe 12 is provided with a plurality of air outlet nozzles 13 at intervals, and the positions of the air outlet nozzles 13 correspond to the positions of the bottoms of the heat exchange pipes 4 of the S-shaped structures.
The utility model discloses a fan 2 is dried outdoor air from bottom to top of heat exchange tube 4, and it can improve the heat exchange efficiency of each heat exchange tube 4 that connects in parallel according to the wind speed gradient in proper order, and the temperature is minimum, the most easy 4 wind speeds of the heat exchange tube of the lower floor that store up that freeze to furthest avoids freezing of refrigerant to store up the problem. Meanwhile, the screw 5 is driven by the motor 9 to rotate in a reciprocating manner, the screw 7, the connecting block 8 and the fan 2 are driven to move in a reciprocating manner in the horizontal direction, and the plurality of air outlet nozzles 13 on the air distribution pipe 12 can uniformly blow air to the whole heat exchange pipe 4, so that the uniformity of supply of refrigerants of all parallel loops is improved.
Preferably, in order to improve the energy utilization efficiency, a solar cell 14 is disposed on the top of the housing 1, and the solar cell 14 is connected to the motor 9. A solar cell 14 may provide power to the motor 9.
Preferably, the wind-collecting cover 10 has a truncated cone shape with a large top and a small bottom for improving wind-collecting effect and airflow strength, and the dust-proof net 15 is disposed on the top of the wind-collecting cover 10 for increasing the cleanliness of the motor 9 and prolonging the service life.
The utility model discloses in, for the security that improves, the inboard of mount pad 6 is equipped with limit stop 16, limit stop 16's position with the upper portion position of connecting block 8 is corresponding. In this embodiment, the limit stop 16 may be made of rubber, so as to protect the mounting seat 6 to the maximum extent.
Preferably, in order to further improve the uniformity of the blowing air, the air outlet nozzles 13 are distributed at equal intervals along the length direction of the air distribution pipe 12.
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 changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (5)
1. An outdoor unit of an air-source heat pump, comprising: the screw rod, the motor and the air collecting cover are arranged in the shell;
the heat exchanger comprises a shell, wherein a fan and a heat exchanger are respectively arranged above and below the inside of the shell, heat exchange tubes of the heat exchanger are horizontally arranged, the heat exchange tubes are of an S-shaped structure, loops for flowing of refrigerants in the heat exchange tubes are connected in parallel, and liquid supply directions of the refrigerants in the loops are from bottom to top;
the screw rod is horizontally arranged inside the shell through the mounting seat; the screw rod is connected with a nut, the bottom of the nut is fixedly provided with a connecting block, and the bottom of the connecting block is fixedly provided with the fan;
the motor is connected with one end of the screw rod and is used for driving the screw rod to rotate in a reciprocating manner; the fan comprises a fan housing, wherein the fan housing is sleeved outside the fan, the bottom of the fan housing is provided with a vertical air collecting pipe extending downwards, the bottom of the air collecting pipe is provided with a horizontal air distributing pipe, a plurality of air outlet nozzles are arranged on the air distributing pipe at intervals, and the positions of the air outlet nozzles correspond to the positions of the bottoms of the heat exchange pipes of the S-shaped structures.
2. The outdoor unit of an air source heat pump of claim 1, wherein a solar cell is provided on a top of the casing, and the solar cell is connected to the motor.
3. The outdoor unit of an air-source heat pump of claim 2, wherein the air-collecting cover has a truncated cone shape with a large top and a small bottom, and a dust screen is provided on an upper portion of the air-collecting cover.
4. The outdoor unit of an air source heat pump of claim 1, wherein a stopper is provided at an inner side of the mounting base, and a position of the stopper corresponds to an upper position of the connection block.
5. The outdoor unit of an air source heat pump according to claim 1, wherein the plurality of air outlet nozzles are equally spaced along a length direction of the air distribution pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021702422.0U CN213208278U (en) | 2020-08-14 | 2020-08-14 | Outdoor unit of air source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021702422.0U CN213208278U (en) | 2020-08-14 | 2020-08-14 | Outdoor unit of air source heat pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213208278U true CN213208278U (en) | 2021-05-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN202021702422.0U Active CN213208278U (en) | 2020-08-14 | 2020-08-14 | Outdoor unit of air source heat pump |
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| CN (1) | CN213208278U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623104A (en) * | 2022-03-08 | 2022-06-14 | 西北工业大学 | Diffusion flow-increasing exhaust hood for air source heat pump |
-
2020
- 2020-08-14 CN CN202021702422.0U patent/CN213208278U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114623104A (en) * | 2022-03-08 | 2022-06-14 | 西北工业大学 | Diffusion flow-increasing exhaust hood for air source heat pump |
| CN114623104B (en) * | 2022-03-08 | 2023-11-10 | 西北工业大学 | Diffusion flow-increasing exhaust hood for air source heat pump |
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