CN216557762U

CN216557762U - Heat pump set

Info

Publication number: CN216557762U
Application number: CN202122623332.3U
Authority: CN
Inventors: 王伟; 赵雷
Original assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Current assignee: Qingdao Haier Air Conditioner Gen Corp Ltd; Qingdao Haier Air Conditioning Electric Co Ltd; Haier Smart Home Co Ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-17
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the technical field of heat pump units, and aims to solve the problems that a cover plate of a power supply box of an air source heat pump unit is troublesome to disassemble and the manufacturing cost is high during maintenance or upgrading operation. The utility model provides a heat pump unit, which comprises a box body, wherein a containing cavity is formed in the box body, a first opening is formed in the box body, a power box is contained in the containing cavity, a second opening corresponding to the first opening is formed in the power box, an openable/closable cover plate is arranged at the first opening, an abutting part extending towards the power box is arranged on the inner side of the cover plate, and the abutting part is at least abutted against the upper edge and the two side edges of the second opening. Through the arrangement, the opening of the box body and the opening of the power box are sealed and covered through the cover plate, so that the high-grade waterproof performance of the power box is guaranteed, and the trouble that the cover plate needs to be disassembled and assembled for many times in the maintenance and upgrading processes of electric devices in the power box due to the fact that the cover plate is arranged at each of the two openings is avoided.

Description

Heat pump set

Technical Field

The utility model relates to the technical field of heat pump units, and particularly provides a heat pump unit.

Background

An air source heat pump unit is used as one of heat pump technologies and has the advantages of low use cost, easiness in operation, good heating effect, safety, cleanness and the like. The electric control elements of the existing air source heat pump unit are usually arranged in a single accommodating cavity. In order to improve the waterproof performance, the electric control element is arranged in a single power supply box, an openable cover plate is arranged on the power supply box, the power supply box is placed inside a box body of the air source heat pump unit, and the cover plate is arranged on the box body corresponding to the power supply box.

However, when the power box is maintained or upgraded, the cover plate of the box body needs to be opened first, and then the cover plate of the power box needs to be opened to maintain or upgrade the power box, so that the operation is troublesome, and the maintenance efficiency of maintenance personnel is low. In addition, two cover plates are arranged, so that the manufacturing cost is high.

Accordingly, there is a need in the art for a new air source heat pump unit that solves the problems of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems, namely, the problems that the cover plate of the power supply box of the existing air source heat pump unit is troublesome to disassemble and the manufacturing cost is high when the power supply box is maintained or upgraded.

The utility model provides a heat pump unit, which comprises a box body, wherein a containing cavity is formed in the box body, a first opening is formed in the box body, a power box is contained in the containing cavity, a second opening corresponding to the first opening is formed in the power box, an openable/closable cover plate is arranged at the first opening, an abutting part extending towards the power box is arranged on the inner side of the cover plate, and the abutting part is at least abutted against the upper edge and the two side edges of the second opening.

Through holding the power supply box in holding the intracavity, and set up the apron that can open/shut at the first opening part of box, inboard butt portion butt of apron is in the second opening edge of power supply box, the apron can enough seal the first opening on the box and can seal the second opening on the power supply box again, that is to say, realize the opening of box and the open-ended of power supply box sealing through an apron, both guaranteed the waterproof performance of power supply box higher grade, avoided two openings part to set up respectively that an apron leads to needing many times dismouting apron in electric device maintenance and the upgrading process to the power supply box inside again. Through such setting, simple structure has reduced heat pump set's manufacturing cost. When the power box needs to be maintained or upgraded, the cover plate can be directly detached from the first opening to maintain or upgrade the power box, so that the maintenance efficiency of the power box is improved, and the power box is simple to assemble and labor-saving to disassemble.

In a preferred embodiment of the heat pump unit, the abutting portion includes at least a first abutting member, a second abutting member, and a third abutting member connected in this order, the first abutting member abuts against an upper edge of the second opening, and the second abutting member and the third abutting member abut against both side edges of the second opening, respectively.

Through foretell setting, butt portion's simple structure had both realized the apron to the power supply box upper shed's closure, had simplified the structure of apron again, had reduced manufacturing cost.

In a preferred embodiment of the heat pump unit, at least the upper edge and the two side edges of the second opening are provided with extending portions extending toward the cover plate, and the extending portions are abutted to the inner side of the cover plate.

Through the arrangement, a new sealing structure is formed between the cover plate and the opening of the power box by virtue of the extension part, so that the sealing performance of the power box is further improved, and the waterproof effect of the power box is enhanced.

In a preferred embodiment of the heat pump unit, the extensions at the upper edge and the two side edges of the second opening are respectively located at one side of the first abutting member, the second abutting member and the third abutting member, which is close to the second opening.

In a preferred embodiment of the heat pump unit, the extension portions at the upper edge and both side edges of the second opening are respectively formed with a groove at a side close to the first abutting member, the second abutting member, and the third abutting member.

Through the arrangement, even under the condition that part of rainwater passes through the assembly gap between the cover plate and the box body and enters the box body and further passes through the assembly gap between the abutting part and the opening edge of the power box, the rainwater can be discharged along the groove, the risk that the rainwater enters the power box through the assembly gap between the extending part and the cover plate is reduced, and the waterproof performance of the power box is further improved.

In a preferred embodiment of the heat pump unit, a sealing member is provided at a portion where the abutting member abuts against the second opening edge and/or a portion where the second opening edge abuts against the abutting member.

With the arrangement, the sealing performance of the abutting position of the abutting member and the opening edge of the power box is further improved, and the risk that rainwater passes through the abutting position of the abutting member and the opening edge of the power box is reduced.

In a preferred embodiment of the heat pump unit, a sealing member is disposed at a portion where the extension abuts against the cover plate and/or a portion where the cover plate abuts against the extension.

Through foretell setting, further improved the leakproofness of extension portion with the inboard butt position of apron, reduced the risk that the rainwater passed from the inboard butt position of extension portion with the apron.

In the preferable technical scheme of the heat pump unit, the sealing member is rubber-plastic sponge. In the preferable technical scheme of the heat pump unit, the abutting part is fixedly connected with the cover plate or integrally formed with the cover plate; and/or the extension part is fixedly connected with the edge of the second opening or integrally formed.

In the above heat pump unit, the accommodating chamber is an accommodating chamber of a compressor of the heat pump unit.

Through foretell setting, need not to set up the cavity that holds the power supply box alone in the box, directly set up the power supply box and hold the intracavity that holds of compressor in the box, reduced manufacturing cost.

Drawings

The preferred embodiments of the present invention will now be described in connection with the accompanying drawings, in which:

FIG. 1 is a schematic structural diagram of an air source heat pump unit according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of a cover plate of an air source heat pump unit according to an embodiment of the present invention;

FIG. 3 is an exploded view of an air source heat pump unit according to an embodiment of the present invention;

FIG. 4 is a cross-sectional view of an air source heat pump unit according to an embodiment of the present invention;

fig. 5 is an enlarged view of a portion a in fig. 4;

list of reference numerals:

1. a box body; 11. a first opening; 2. a power supply box; 21. a second opening; 3. a cover plate; 41. a first abutting member; 42. a second abutment member; 43. a third abutting member; 5. an extension portion; 51. a groove; 6. a first sealing member; 7. a second sealing member;

Detailed Description

Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. For example, although the present invention is described with reference to an air source heat pump unit, this does not limit the scope of the present invention, and the heat pump unit of the present invention may also be a water source heat pump unit or a ground source heat pump unit.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "inside", "outside", etc. are based on the direction or positional relationship shown in the drawings, which are for convenience of description only, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Based on the problems that the cover plate is troublesome to detach and the manufacturing cost is high when the power supply box of the conventional air source heat pump unit is maintained or upgraded in the background art, the utility model provides the heat pump unit, so that the box body and the power supply box can be sealed through one cover plate, the high-grade waterproof effect of the power supply box is ensured, and the trouble that the cover plate needs to be repeatedly detached and assembled in the maintenance and upgrading processes of electric parts in the power supply box due to the fact that the two opening parts are respectively provided with one cover plate is avoided. Simple structure, reduced heat pump set's manufacturing cost. When the power box needs to be maintained or upgraded, the cover plate can be directly detached from the first opening to maintain or upgrade the power box, so that the maintenance efficiency of the power box is improved, and the power box is simple to assemble and labor-saving to disassemble.

FIG. 1 is a schematic structural diagram of an air source heat pump unit according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of a cover plate of an air source heat pump unit according to an embodiment of the present invention; FIG. 3 is an exploded view of an air source heat pump unit according to an embodiment of the present invention; FIG. 4 is a cross-sectional view of an air source heat pump unit according to an embodiment of the present invention; fig. 5 is an enlarged view of a portion a in fig. 4.

Specifically, as shown in fig. 1 and fig. 2, the air source heat pump unit of the present invention includes a box body 1, a receiving cavity for receiving a compressor (not shown in the figure) is formed inside the box body 1, a power supply box 2 is further received in the receiving cavity, a first opening 11 is formed on the box body 1 at a position close to the power supply box 2, and a second opening 21 is formed on the power supply box 2 at a position corresponding to the first opening 11. It will be appreciated that the size of the first opening 11 and the second opening 21 can be flexibly set by those skilled in the art according to the actual application. The first opening 11 is provided with an openable/closable cover plate 3, four sides of the cover plate 3 are detachably connected with the edge of the first opening 11 on the box body 1 through fasteners such as bolts, and the cover plate 3 is set to be in a size and a shape matched with the first opening 11.

As shown in fig. 2 and 3, an abutting portion extending toward the power supply box 2 is provided inside the lid plate 3, and the abutting portion is provided so as to abut against the upper edge and both side edges of the second opening 21. Specifically, the abutting portion includes a first abutting member 41, a second abutting member 42, and a third abutting member 43 connected in this order, the first abutting member 41 abuts against the upper edge of the second opening 21, the second abutting member 42 and the third abutting member 43 abut against both side edges of the second opening 21, respectively, and rainwater entering from the assembly gap between the case 1 and the cover plate 3 can be prevented from infiltrating into the power supply case 2. It should be noted that the abutting portion and the cover plate 3 may be detachably connected by a screw joint, a pin joint, or the like, may be detachably connected by a welding, a riveting, or the like, and may be integrally formed. In addition, the first abutting member 41, the second abutting member 42, and the third abutting member 43 may be integrally formed, which facilitates manufacturing and improves sealing performance, thereby preventing rainwater from penetrating into the power supply box 2 through a gap formed by connecting the first abutting member, the second abutting member, and the third abutting member.

The setting mode has the advantages that: the power box 2 is arranged in the accommodating cavity for accommodating the compressor, a cavity for accommodating the power box 2 is not required to be separately arranged in the box body 1, the power box 2 is directly arranged in the accommodating cavity for accommodating the compressor in the box body 1, and the manufacturing cost is reduced. Set up apron 3 in first opening 11 department and can realize the sealed to first opening 11, will realize the sealed of second opening 21 with the butt that apron 3 is fixed simultaneously in the edge of second opening 21, guaranteed power supply box 2's waterproof performance, reduced the risk that the rainwater got into power supply box 2, guaranteed the safe work of automatically controlled device in the power supply box 2. The box body 1 and the power box 2 are sealed through the cover plate 3, so that the high-grade waterproof effect of the power box 2 is guaranteed, and the trouble that the cover plate 3 needs to be disassembled and assembled for many times in the maintenance and upgrading processes of electric devices inside the power box 2 due to the fact that the cover plate 3 is arranged at two openings respectively is avoided. And, the simple structure of apron 3 has reduced heat pump set's manufacturing cost. When the power box 2 needs to be maintained or upgraded, the cover plate 3 can be directly detached from the first opening 11 to maintain or upgrade the power box 2, so that the maintenance efficiency of the power box 2 is improved, and the power box 2 is simple to assemble and labor-saving to disassemble. Apron 3 and butt portion integrated into one piece, the overall structure of apron 3 is simple, convenient manufacturing, and the installation effectiveness is high to rain-proof effect is more excellent.

It should be noted that the abutting portion includes a first abutting member 41, a second abutting member 42 and a third abutting member 43 which are sequentially connected and abut against the upper edge and the two side edges of the second opening 21, which is a specific arrangement, and the abutting portion may be adjusted in practical application, for example, in another specific embodiment, the abutting portion may include four abutting members which are sequentially connected end to end around four sides of the second opening 21. In addition, the abutting portion may be a block-shaped structure protruding toward the second opening 21 inside the cover plate 3, and directly abuts on the second opening 21 and an edge thereof to seal the second opening 21. Furthermore, the cover 3 may also be pivotally connected to the edge of the first opening 11 in the case 1.

Preferably, as shown in fig. 3 to 5, the upper edge, the lower edge and the two side edges of the second opening 21 are provided with extending portions 5 extending toward the cover plate 3, the edge portion of the second opening 21 of the power box 2 is integrally formed with the extending portions 5, and one side of the extending portions 5 close to the cover plate 3 abuts against the inner side of the cover plate 3. The extended portions 5 at the upper edge and both side edges of the second opening 21 are located on the side of the first abutting member 41, the second abutting member 42, and the third abutting member 43 close to the second opening 21, respectively, and the extended portions 5 at the upper edge and both side edges of the second opening 21 are formed with grooves 51 on the side close to the first abutting member 41, the second abutting member 42, and the third abutting member 43, respectively. Specifically, the extension 5 is a flanging structure formed by flanging the edge of the second opening 21, and the flanging structure is provided with a groove 51.

The setting mode has the advantages that: the edge of the second opening 21 is provided with an extension 5 abutting against the inside of the cover plate 3, further improving the sealing performance of the second opening 21. The upper edge of the second opening 21 and the extension parts 5 at the two side edges are respectively positioned at one side of the first abutting member 41, the second abutting member 42 and the third abutting member 43 close to the second opening 21, and the upper edge of the second opening 21 and the extension parts 5 at the two side edges are respectively provided with a groove 51 at one side close to the first abutting member 41, the second abutting member 42 and the third abutting member 43, so that even if part of rainwater passes through the assembly gap between the cover plate 3 and the edge of the first opening 21 and the assembly gap between the abutting part and the edge of the second opening 21, the part of rainwater can be quickly discharged through the groove 51, the condition that the part of rainwater passes through the assembly gap between the extension parts 5 and the cover plate 3 and then enters the power supply box 2 through the second opening 21 is reduced, and the waterproof effect of the power supply box 2 is further improved.

It should be noted that the extension portion 5 may also be fixedly connected to the edge portion of the second opening 21 of the power supply box 2, for example, the extension portion may be detachably connected by screwing or pinning, or may be detachably connected by welding, riveting, or the like. The extension portion 5 may be a ring-shaped block extending toward the cover plate 3 at the peripheral edge of the second opening 21 of the power supply box 2, the upper portion and both side portions of the ring-shaped block may be located on the sides of the first abutting member 41, the second abutting member 42, and the third abutting member 43 close to the second opening 21, respectively, a groove may be formed on the upper side of the upper portion of the ring-shaped block, a groove may be formed on the both side portions of the ring-shaped block close to the second abutting member 42 and the third abutting member 43, respectively, a groove may be formed on the lower side of the lower portion of the ring-shaped block, and the plurality of grooves on the ring-shaped block may be connected to form a ring-shaped groove. The extension 5 may include only the extension portions at the upper edge and both side edges of the second opening 21. Furthermore, the second abutting member 42 and the third abutting member 43 are close to one side of the second opening 21, and the extending portions 5 at the upper edge and the two side edges of the second opening 21 are respectively formed with the grooves 51 at one side close to the first abutting member 41, the second abutting member 42 and the third abutting member 43, which is a preferable arrangement, and the adjustment can be made in practical application, for example, in another possible embodiment, no groove is provided on the extending portion 5; in another possible embodiment, the extended portions 5 at the upper edge and both side edges of the second opening 21 are located on the sides of the first abutment member 41, the second abutment member 42, and the third abutment member 43, respectively, away from the second opening 21.

Preferably, the first sealing member 6 is disposed at a position where the abutting member abuts to the edge of the second opening 21, and the first sealing member 6 may be a waterproof paint such as polyurethane paint coated on the edge portion of the abutting member, or a rubber-plastic sponge disposed at a position where the abutting member abuts to the edge of the second opening 21. The first seal member 6 may be fixed to a portion where the edge of the second opening 21 abuts against the abutment member, or one first seal member 6 may be provided at a portion where the abutment member abuts against the edge of the second opening 21 and at a portion where the edge of the second opening 21 abuts against the abutment member.

Preferably, a second sealing member 7 is disposed at a position where the extending portion 5 abuts against the cover plate 3, and the second sealing member 7 may be a waterproof coating material coated at an abutting position of the extending portion 5, such as a waterproof coating material of polyurethane, or may be a rubber-plastic sponge disposed at a position where the extending portion 5 abuts against the cover plate 3. The second sealing member 7 may be fixed to a portion where the cover plate 3 abuts against the extension portion 5, or one second sealing member 7 may be provided at a portion where the extension portion 5 abuts against the cover plate 3 and at a portion where the cover plate 3 abuts against the extension portion 5.

The setting mode has the advantages that: by the provision of the first sealing member 6, the sealing between the abutment member and the edge of the second opening 21 is improved, further reducing the risk of rain passing through the fitting gap there. By the provision of the second sealing member 7, the sealing between the extension 5 and the cover plate 3 is improved, further reducing the risk of rain water passing through the fitting gap there.

It should be noted that, although the above embodiments are described with reference to an air source heat pump unit, this does not limit the protection scope of the present invention, and the heat pump unit of the present invention may also be a water source heat pump unit or a ground source heat pump unit.

So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the utility model, and the technical scheme after the changes or substitutions can fall into the protection scope of the utility model.

Claims

1. A heat pump unit is characterized by comprising a box body, wherein a containing cavity is formed inside the box body, a first opening is formed on the box body, a power supply box is contained in the containing cavity, a second opening corresponding to the first opening is formed on the power supply box,

the first opening is provided with an openable/closable cover plate, the inner side of the cover plate is provided with an abutting part extending towards the power box, and the abutting part is at least abutted against the upper edge and the two side edges of the second opening.

2. A heat pump unit according to claim 1, wherein said abutting portion includes at least a first abutting member, a second abutting member and a third abutting member connected in sequence, said first abutting member abuts against an upper edge of said second opening, and said second abutting member and said third abutting member abut against both side edges of said second opening, respectively.

3. A heat pump unit according to claim 2, wherein at least the upper edge and both side edges of the second opening are provided with extensions extending toward the cover plate, the extensions abutting against the inner side of the cover plate.

4. A heat pump unit according to claim 3, wherein the extensions at the upper edge and both side edges of the second opening are respectively located at a side of the first abutment member, the second abutment member and the third abutment member close to the second opening.

5. A heat pump unit according to claim 4, characterised in that the extensions at the upper and both side edges of the second opening are formed with grooves at a side close to the first, second and third abutment members, respectively.

6. A heat pump unit according to claim 2, characterised in that the region where the abutment member abuts against the second opening edge and/or the region where the second opening edge abuts against the abutment member is provided with a sealing member.

7. A heat pump unit according to claim 3, characterised in that the location where the extension abuts against the cover plate and/or the location where the cover plate abuts against the extension is provided with a sealing member.

8. A heat pump unit according to claim 6 or 7, characterised in that the sealing member is a rubber-plastic sponge.

9. A heat pump unit according to claim 3, wherein the abutting portion is fixedly connected with the cover plate or integrally formed with the cover plate; and/or

The extension part is fixedly connected with the edge of the second opening or integrally formed.

10. A heat pump unit according to any one of claims 1 to 7 wherein the accommodating chamber is an accommodating chamber of a compressor of the heat pump unit.