Heat pump unit

Abstract

The embodiment of the utility model provides a heat pump unit, and relates to the technical field of air source heat pumps. The heat pump unit comprises a box body, a fan and a fan cover, wherein the box body is provided with a cavity; the fan is mounted on the box body and is used for exchanging gas in the cavity with external air; the fan cover comprises an upper fan cover and a lower fan cover which are communicated with each other; the upper fan cover is positioned above the lower fan cover; the upper fan cover is provided with an air outlet, and the lower fan cover is provided with an air inlet; the upper fan cover is detachably connected with the box body, and the upper fan cover is located in the cavity; the lower fan cover is detachably connected with the box body, and the upper fan cover is located outside the cavity. The mode of air inlet from the lower portion and air outlet from the upper portion is adopted, ventilation can be smoother, and then the whole heat pump unit can operate more stably. And the operation noise of the unit can be reduced by adopting a lower air inlet and upper air outlet mode. The fan cover is designed into the upper part and the lower part, so that the fan cover is convenient to mount and dismount, and when part of the fan cover is damaged, only the damaged part needs to be replaced, so that the maintenance cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of air source heat pumps, in particular to a heat pump unit. Background Art

[0002] A heat pump converts low-grade heat energy into high-grade heat energy, using a small amount of electricity to drive the compressor and achieve heat transfer. Heat pumps can be categorized by heat energy source: air-source heat pumps, water-source heat pumps, and ground-source heat pumps. Air-source heat pumps primarily utilize energy from the air, using a small amount of electricity to drive the compressor and achieve the transfer of low-grade heat energy to high-grade heat energy. They offer both heating and cooling functions, making them suitable for a wide range of applications.

[0003] However, current heat pump units mostly use liquid cooling to dissipate heat. Heat pump units require piping, have a complex structure, are costly, and are not convenient for subsequent maintenance. Utility Model Content

[0004] The utility model provides a heat pump unit, which can simplify the heat dissipation structure, reduce the noise of the heat pump unit operation, and is also convenient for installing and disassembling the wind cover and facilitating maintenance.

[0005] The embodiment of the present utility model can be implemented as follows:

[0006] The embodiment of the present utility model provides a heat pump unit, which includes:

[0007] a housing having a chamber;

[0008] A fan, the fan being installed in the box and being used to exchange the gas in the chamber with the outside air;

[0009] The wind hood includes an upper wind hood and a lower wind hood, the upper wind hood is connected to the lower wind hood; the upper wind hood is located above the lower wind hood; the upper wind hood is provided with an air outlet, and the lower wind hood is provided with an air inlet; the upper wind hood is detachably connected to the box body, and the upper wind hood is located inside the chamber; the lower wind hood is detachably connected to the box body, and the upper wind hood is located outside the chamber.

[0010] In an optional embodiment, the air outlet is provided on a side surface of the upper wind hood.

[0011] In an optional embodiment, the upper wind cover includes a top plate and side plates, and the top plate and the side plates together enclose a first ventilation cavity; the side plates are detachably connected to the box body; and the side plates are provided with the air outlet.

[0012] In an optional embodiment, the top plate and the side plates are arranged at an angle.

[0013] In an optional embodiment, the downwind hood includes a connecting pipe and a hood plate, the connecting pipe is connected to the hood plate, the connecting pipe is connected to the upwind hood, the hood plate is detachably connected to the box body, and together with the box body, forms a second ventilation cavity, and the air inlet is provided on the side of the hood plate away from the connecting pipe.

[0014] In an optional embodiment, the heat pump unit further includes a water receiving tray, which is arranged below the fan; and the water receiving tray is provided with a drainage hole.

[0015] In an optional embodiment, the heat pump unit further includes an electric control box, which is disposed in the box body and located outside the cavity; the downwind hood is connected to the electric control box and is used to cover the electric control box.

[0016] In an optional embodiment, the heat pump unit further includes a driving heat conducting plate, and the driving heat conducting plate is connected to the electric control box.

[0017] In an optional embodiment, there are multiple driving heat conducting plates, and the multiple driving heat conducting plates are arranged side by side and spaced apart.

[0018] In an optional embodiment, there are multiple fans, and the multiple fans are arranged at intervals.

[0019] The beneficial effects of the heat pump unit of the embodiment of the utility model include:

[0020] The heat pump unit includes a housing, a fan, and a hood. The housing has a chamber; the fan is mounted on the housing and is used to exchange gas within the chamber with outside air. The hood includes an upper hood and a lower hood, the upper hood communicating with the lower hood; the upper hood is located above the lower hood; the upper hood is provided with an air outlet, and the lower hood is provided with an air inlet. Because cold air is denser than hot air, it tends to sink, while hot air tends to rise. Adopting a bottom-inlet, top-outlet configuration firstly avoids air flow resistance, ensuring smoother ventilation; secondly, it also makes the entire heat pump unit more stable, avoiding poor ventilation caused by uneven air flow. Furthermore, adopting a bottom-inlet, top-outlet configuration also reduces operating noise. Furthermore, the upper hood is detachably connected to the housing and located within the chamber; the lower hood is detachably connected to the housing and located outside the chamber. By designing the wind hood into two parts, it is easy to install and disassemble. When part of it is damaged, only the damaged part needs to be replaced, and there is no need to frequently install and disassemble the entire wind hood, which reduces maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 A schematic diagram of a heat pump unit provided in an embodiment of the present utility model;

[0023] Figure 2 A schematic diagram of a heat pump unit provided in an embodiment of the present invention with a portion of its casing removed;

[0024] Figure 3 A schematic diagram of an upper windshield provided in an embodiment of the present utility model;

[0025] Figure 4 This is a schematic diagram of a lower wind shield provided in an embodiment of the present utility model.

[0026] Icons: 1000-heat pump unit; 100-box; 110-chamber; 200-air hood; 210-upper air hood; 211-top plate; 212-side panel; 213-air outlet; 214-first ventilation chamber; 220-lower air hood; 221-connecting pipe; 222-hood plate; 223-air inlet; 224-second ventilation chamber; 300-fan; 400-water tray; 410-drain hole; 500-electrical control box; 600-drive heat conduction plate; 700-protective cover. DETAILED DESCRIPTION

[0027] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are intended to fall within the scope of protection of the present invention.

[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0030] In the description of the present invention, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when in use. It is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present invention.

[0031] In addition, the terms "first", "second", etc., if used, are merely used to distinguish and describe, and should not be understood as indicating or implying relative importance.

[0032] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention can be combined with each other.

[0033] A heat pump unit is a device that converts low-level thermal energy into high-level thermal energy. It uses a small amount of electricity to drive the compressor to achieve heat transfer. Heat pump units can be divided into air-source heat pump units, water-source heat pump units, and ground-source heat pump units according to the way they obtain heat energy. Air-source heat pump units use the energy in the air as their main power source. They use a small amount of electricity to drive the compressor to achieve the transfer of low-level thermal energy to high-level thermal energy. They have both single-heating and dual-heating and cooling functions and are widely applicable. However, current heat pump units mostly use liquid cooling to dissipate heat. Heat pump units require piping, which makes the structure complex and the cost high. They are also not convenient for subsequent maintenance.

[0034] Based on this, see Figure 1 and Figure 2 The heat pump unit 1000 provided in the embodiment of the present invention can effectively improve the above-mentioned technical problems. The heat pump unit 1000 can simplify the heat dissipation structure, reduce the noise of the heat pump unit 1000 operation, and also facilitate the installation and removal of the fan cover 200 for easy maintenance.

[0035] Figure 1 Schematic diagram of a heat pump unit 1000 provided in an embodiment of the present utility model; Figure 2 This is a schematic diagram of a heat pump unit 1000 with part of its housing removed provided in an embodiment of the present invention, as shown in FIG. Figure 1 and Figure 2As shown, the heat pump unit 1000 in this embodiment includes a housing 100 and a hood 200. The hood 200 includes an upper hood 210 and a lower hood 220. The upper hood 210 is connected to the lower hood 220 and is located above the lower hood 220. The upper hood 210 is provided with an air outlet 213, and the lower hood 220 is provided with an air inlet 223. The upper hood 210 is detachably connected to the housing 100 and is located within the chamber 110. The lower hood 220 is detachably connected to the housing 100 and is located outside the chamber 110. The hood 200 can effectively guide and concentrate airflow, and is used to control the direction or intensity of airflow.

[0036] The air inlet 223 of the lower hood 220 can be connected to an external ventilation device to transport cold air into the chamber 110 of the housing 100. The cold air is sucked into the chamber 110 of the housing 100 by the fan 300 along the lower hood 220 and the upper hood 210, exchanges heat with the hot air in the chamber 110, and is then discharged outside the chamber 110 to cool the heat pump unit 1000. There is no need to set up multiple liquid cooling pipes in the heat pump unit 1000, which simplifies the heat dissipation structure of the heat pump unit 1000 and saves space. In addition, to improve heat exchange efficiency, the air outlet 213 in this embodiment is directly opposite the blades of the fan 300.

[0037] Because cold air is denser than hot air, it sinks more easily, while hot air rises more easily. The heat pump unit 1000 provided in this embodiment adopts a bottom air intake and top air outlet method, which firstly avoids the flow resistance of the air and makes the ventilation smoother. Secondly, it can also make the entire heat pump unit 1000 more stable and avoid the poor ventilation caused by uneven air. And the use of the bottom air intake and top air outlet form can also reduce the noise of the unit operation. In addition, the upper air hood 210 is detachably connected to the box body 100, and the upper air hood 210 is located in the chamber 110; the lower air hood 220 is detachably connected to the box body 100, and the upper air hood 210 is located outside the chamber 110. By designing the air hood 200 into two parts, it can be easily installed and disassembled. When part of it is damaged, only the damaged part needs to be replaced, and there is no need to frequently install and remove the entire air hood 200, which reduces maintenance costs.

[0038] Specifically, in this embodiment, the upper hood 210 and the housing 100 are connected using screws or other threaded fasteners, and the lower hood 220 and the housing 100 are also connected using screws or other threaded fasteners. Of course, other detachable connection methods, such as snap-fit connections, may also be used, and are not limited here. As long as the upper and lower hoods 220 are easily installed and removed, and subsequent maintenance and replacement are facilitated, the connection should be sufficient.

[0039] See also Figure 1, the number of fans 300 in this embodiment is multiple, and the multiple fans 300 are arranged at intervals. Specifically, the number of fans 300 in this embodiment is four, and a partition is provided in the box body 100 to separate the chamber 110 into a first chamber 110 and a second chamber 110, and each chamber 110 is provided with two fans 300. And both the first chamber 110 and the second chamber 110 are provided with a wind hood 200 to achieve heat exchange and cooling in each chamber 110. Of course, the number of fans 300 can also be one, two, etc., and the setting position is determined according to actual conditions and is not limited here. The number of wind hoods 200 can also be multiple, and can be one, two, three or more, depending on the actual heat exchange requirements and the structure of the heat pump unit 1000, and is not limited here.

[0040] Please continue reading Figure 1 and Figure 2 In this embodiment, the outer housing of the fan 300 is equipped with a protective cover 700. The protective cover 700 prevents accidental contact with the rotating components of the fan 300, thus preventing injuries. When the fan 300 rotates at high speed, the strong airflow and sharp edges of the rotating components can cause harm to the human body. By installing the protective cover 700 on the fan 300, this risk can be effectively reduced, providing a safe working environment for workers. Objects such as debris and debris may be present around the fan 300. If ingested by the fan 300, they could interfere with or even damage its normal operation. The protective cover 700 on the fan 300 acts as a barrier, preventing these objects from entering the interior of the fan 300 and protecting its normal operation. Furthermore, the protective cover 700 on the fan 300 is typically made of a sturdy material, such as steel, which has excellent impact and corrosion resistance. Installing the protective cover 700 on the fan 300 provides additional support for the fan 300, enhancing its mechanical stability and preventing damage or failure due to vibration or external impact.

[0041] See also Figure 2 The heat pump unit 1000 in this embodiment also includes an electrical control box 500, which is disposed within the housing 100 and is located outside the chamber 110. A lower hood 220 is connected to the electrical control box 500 and is used to house the electrical control box 500. Specifically, a driver board is disposed within the electrical control box 500, which is used to drive certain electrical components of the heat pump unit 1000 and generates heat during operation. The air inlet 223 is disposed at the electrical control box 500, and the lower hood 220 houses the electrical control box 500. When the fan 300 draws cold air into the chamber 110 through the air inlet 223, it also removes the heat generated within the electrical control box 500, further improving heat exchange efficiency and resource utilization. The lower hood 220 can partially house the electrical control box 500, or it can completely house the electrical control box 500, without limitation herein.

[0042] In order to improve the heat exchange efficiency between the electric control box 500 and the cold air in the air cover 200, please refer to Figure 2 , and combined with Figure 1 The heat pump unit 1000 in this embodiment also includes a driven heat conducting plate 600, which is connected to the electrical control box 500. Specifically, there are multiple driven heat conducting plates 600, and the multiple driven heat conducting plates 600 are arranged side by side at intervals. By setting the driven heat conducting plate 600, the heat generated in the electrical control box 500 can be dissipated. At the same time, setting the driven heat conducting plate 600 can also increase the heat exchange area with the cold air input to the wind hood 200, so that more heat can be transferred in a shorter time, thereby reducing energy loss and improving heat exchange efficiency. In addition, the driven heat conducting plate 600 can also help disperse and uniformize the temperature of the fluid to avoid local overheating or overcooling.

[0043] During the heat exchange process, the air may condense into water droplets due to the low temperature. To prevent water from accumulating in the chamber 110 of the heat pump housing 100, please refer to Figure 2 The heat pump unit 1000 of this embodiment further includes a water tray 400, which is disposed below the fan 300 and within the chamber 110. The water tray 400 has a drainage hole 410. The water tray 400 collects water droplets generated during the heat exchange process and drains the water out of the chamber 110 of the heat pump unit 1000 through the drainage hole 410 to prevent damage to the equipment.

[0044] In addition, in order to prevent the condensed water droplets from flowing into the wind cover 200 from the air outlet 213 of the upper wind cover 210 and out through the air inlet 223, thereby affecting the performance of some electrical components of the heat pump unit 1000, Figure 3 This is a schematic diagram of the upper wind shield 210 provided in the embodiment of the present invention, please refer to Figure 3 In this embodiment, an air outlet 213 is provided on the side of the upper air cover 210. By arranging the air outlet 213 on the side of the upper air cover 210, condensed water droplets can be prevented from entering the upper air cover 210. Furthermore, arranging the air outlet 213 on the side can also provide a certain degree of dust prevention.

[0045] Specifically, the upper wind shield 210 in this embodiment includes a top panel 211 and side panels 212, which together enclose a first ventilation cavity 214. The side panels 212 are detachably connected to the housing 100, and the side panels 212 are provided with an air outlet 213. Specifically, the side panels 212 include a first side panel 212, a second side panel 212, a third side panel 212, and a fourth side panel 212, which are sequentially connected to the top panel 211 to enclose the first ventilation cavity 214. The fourth side panel 212 is narrower than the other side panels 212 to form the air outlet 213. Of course, the fourth side panel 212 may not be provided, and the first side panel 212, the second side panel 212, and the third side panel 212 may be connected in sequence, and the first side panel 212, the second side panel 212, and the third side panel 212 may be connected to the top panel 211, thereby enclosing a rectangular parallelepiped tubular structure with openings on both sides. One opening is opposite to the top panel 211, and the other opening is adjacent to the top panel 211. The opening opposite to the top panel 211 is connected to the lower hood 220, and the opening adjacent to the top panel 211 is the air outlet 213. In addition, the upper hood 210 may also be designed as other structural forms, which are not limited here, as long as it is waterproof and dustproof and has an air outlet 213.

[0046] In this embodiment, the top plate 211 and the side plates 212 are integrally formed, and a connecting plate is provided on the side of the side plates 212 away from the top plate 211. The connecting plate has mounting holes for connecting to the box body 100. Of course, the top plate 211 and the side plates 212 can also be connected by welding or other methods, which are not limited here.

[0047] To prevent water from accumulating on the top plate 211, please continue to refer to Figure 3 In this embodiment, the top plate 211 and the side plates 212 are tilted. Specifically, the top plate 211 tilts upward from the second side plate 212 to the fourth side plate 212. Of course, the top plate 211 can also tilt downward, which is not limited here.

[0048] Figure 4 This is a schematic diagram of the lower wind shield 220 provided in the embodiment of the present invention, please refer to Figure 4 In this embodiment, the lower hood 220 includes a connecting pipe 221 and a hood plate 222. The connecting pipe 221 is connected to the hood plate 222, and the connecting pipe 221 is connected to the upper hood 210. The hood plate 222 is detachably connected to the housing 100 and, together with the housing 100, forms a second ventilation cavity 224. An air inlet 223 is provided on the side of the hood plate 222 away from the connecting pipe 221. Of course, the lower hood 220 can also be designed in other structural shapes, depending on actual usage requirements and is not limited here.

[0049] According to a heat pump unit 1000 provided in this embodiment, its working principle is as follows:

[0050] The air inlet 223 of the lower hood 220 can be connected to an external ventilation device to deliver cold air into the chamber 110 of the housing 100. The cold air is drawn into the chamber 110 of the housing 100 by the fan 300 along the lower hood 220 and the upper hood 210, exchanges heat with the hot air in the chamber 110, and is then discharged outside the chamber 110 to cool the heat pump unit 1000. In addition, the hood 200 is composed of two parts, upper and lower, which can be easily installed and disassembled, and also facilitates subsequent maintenance, reducing maintenance costs.

[0051] In summary, the heat pump unit 1000 includes a housing 100, a fan 300 and a hood 200. The housing 100 has a chamber 110. The fan 300 is installed on the housing 100 and is used to exchange the gas in the chamber 110 with the outside air. The hood 200 includes an upper hood 210 and a lower hood 220, and the upper hood 210 is connected to the lower hood 220. The upper hood 210 is located above the lower hood 220. The upper hood 210 is provided with an air outlet 213, and the lower hood 220 is provided with an air inlet 223. Since cold air is denser than hot air, it is easier to sink, while hot air is easier to rise. The method of lower air intake and upper air outlet first avoids the flow resistance of the air and makes the ventilation smoother. Secondly, it can also make the entire heat pump unit 1000 more stable and avoid the situation of poor ventilation caused by uneven air. The adoption of a bottom-inlet, top-outlet configuration also reduces operating noise. Furthermore, the upper hood 210 is detachably connected to the housing 100 and positioned within the chamber 110; the lower hood 220 is detachably connected to the housing 100 and positioned outside the chamber 110. Designing the hood 200 as a two-part unit facilitates installation and removal. If damaged, only the damaged portion needs to be replaced, eliminating the need for frequent assembly and disassembly of the entire hood 200, thus reducing maintenance costs.

[0052] The above is only a specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any changes or replacements that can be easily thought of by any technician familiar with this technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A heat pump unit, characterized in that: include: A housing (100), wherein the housing (100) has a chamber (110); a fan (300), the fan (300) being installed in the housing (100), and the fan (300) being used to exchange the gas in the chamber (110) with the outside air; A wind hood (200), the wind hood (200) comprises an upper wind hood (210) and a lower wind hood (220), the upper wind hood (210) being connected to the lower wind hood (220); the upper wind hood (210) being located above the lower wind hood (220); the upper wind hood (210) being provided with an air outlet (213), and the lower wind hood (220) being provided with an air inlet (223); the upper wind hood (210) being detachably connected to the housing (100), and the upper wind hood (210) being located inside the chamber (110); the lower wind hood (220) being detachably connected to the housing (100), and the upper wind hood (210) being located outside the chamber (110).

2. The heat pump unit according to claim 1, characterized in that: The air outlet (213) is provided on the side of the upper wind cover (210).

3. The heat pump unit according to claim 2, characterized in that: The upper wind cover (210) comprises a top plate (211) and a side plate (212), wherein the top plate (211) and the side plate (212) together enclose a first ventilation cavity (214); the side plate (212) is detachably connected to the box body (100); and the side plate (212) is provided with the air outlet (213).

4. The heat pump unit according to claim 3, characterized in that: The top plate (211) and the side plates (212) are arranged at an angle.

5. The heat pump unit according to claim 1, characterized in that: The lower wind hood (220) comprises a connecting pipe (221) and a hood plate (222); the connecting pipe (221) is connected to the hood plate (222); the connecting pipe (221) is connected to the upper wind hood (210); the hood plate (222) is detachably connected to the box body (100) and together with the box body (100) encloses a second ventilation cavity (224); the air inlet (223) is provided on a side of the hood plate (222) away from the connecting pipe (221).

6. The heat pump unit according to claim 1, characterized in that: The heat pump unit (1000) further comprises a water receiving tray (400), wherein the water receiving tray (400) is arranged below the fan (300) and is located in the chamber (110); the water receiving tray (400) is provided with a drainage hole (410).

7. The heat pump unit according to claim 1, characterized in that: The heat pump unit (1000) further comprises an electric control box (500), the electric control box (500) being arranged in the housing (100) and located outside the chamber (110); the downwind hood (220) being connected to the electric control box (500) and being used to cover the electric control box (500).

8. The heat pump unit according to claim 7, characterized in that: The heat pump unit (1000) further comprises a driving heat conducting plate (600), and the driving heat conducting plate (600) is connected to the electric control box (500).

9. The heat pump unit according to claim 8, characterized in that: There are multiple driving heat conducting plates (600), and the multiple driving heat conducting plates (600) are arranged side by side and spaced apart.

10. The heat pump unit according to claim 1, characterized in that: There are multiple fans (300), and the multiple fans (300) are arranged at intervals.

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