CN217979084U

CN217979084U - Air-conditioning heat pump unit

Info

Publication number: CN217979084U
Application number: CN202122388264.7U
Authority: CN
Inventors: 赵龙; 张�杰; 周龙
Original assignee: Zhejiang Dunan Electro Mechanical Technology Co Ltd
Current assignee: Zhejiang Dunan Electro Mechanical Technology Co Ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-12-06
Anticipated expiration: 2031-09-29

Abstract

The utility model relates to a refrigeration technology field especially relates to an air conditioner heat pump unit. An air-conditioning heat pump unit comprises a fan, a heat exchanger and a water pan assembly, wherein the heat exchanger is arranged in a V-shaped structure, the fan is arranged at an opening at the upper end of the heat exchanger in the V-shaped structure, and the water pan assembly is arranged at the lower end of the heat exchanger and can receive and discharge defrosting water of the heat exchanger; the included angle of the heat exchanger in the V-shaped structure is alpha, and the alpha satisfies the following relational expression: alpha is more than or equal to 20 degrees and less than or equal to 90 degrees. Compared with the prior art, the utility model has the advantages of: the included angle alpha of the heat exchanger in the V-shaped structure is set to be more than or equal to 20 degrees and less than or equal to 90 degrees, and if the included angle alpha of the heat exchanger in the V-shaped structure is too large, the defrosting water generated in the heat exchanger is inconvenient to flow out; if the included angle alpha of the heat exchanger in the V-shaped structure is too small, the installation of the fan is inconvenient, and the normal work of the air-conditioning heat pump unit is influenced.

Description

Air-conditioning heat pump unit

Technical Field

The utility model relates to a refrigeration technology field especially relates to an air conditioner heat pump unit.

Background

With the development of heat pump industrial application in recent years, heat pump technology is being used in more and more products, including heat pump air conditioners, heat pump hot water, heat pump drying, heat pump heating and the like.

In the heating process of the air-conditioning heat pump unit in winter, the evaporator can be frosted, a large amount of water can be generated after defrosting, and the water is frozen when the air temperature is lower than 0 ℃ and part of water in the water pan assembly cannot flow away in time. An important reason for water to freeze as ice is that outdoor unit water collector assemblies are generally designed as sheet metal products, and the heat dissipation effect of the sheet metal is very good, and when defrosting water flows on such water collector, the defrosting water temperature is reduced sharply, even freezing. With the continuous operation of the air-conditioning heat pump unit, frost and frost are continuously formed, so that the ice layer is thicker and thicker, the ice layer can climb onto the evaporator, the operation of the heat exchanger is influenced, and even the evaporator is frozen and cracked.

SUMMERY OF THE UTILITY MODEL

In view of this, to the above technical problem, the utility model provides an air conditioner heat pump set that can discharge heat exchanger defrosting water.

In order to solve the technical problem, the utility model provides a following technical scheme:

an air-conditioning heat pump unit comprises a fan, a heat exchanger and a water pan assembly, wherein the heat exchanger is arranged in a V-shaped structure, the fan is arranged at an opening at the upper end of the heat exchanger in the V-shaped structure, and the water pan assembly is arranged at the lower end of the heat exchanger and can receive and discharge defrosting water of the heat exchanger; the included angle of the heat exchanger in a V-shaped structure is alpha, and the alpha satisfies the following relational expression: alpha is more than or equal to 20 degrees and less than or equal to 90 degrees.

It can be understood that, in the present application, the included angle α of the heat exchanger in the V-shaped structure is set to be greater than or equal to 20 ° and less than or equal to 90 °, and if the included angle α of the heat exchanger in the V-shaped structure is too large, it is inconvenient for the defrosted water generated in the heat exchanger to flow out; if the included angle alpha of the heat exchanger is too small, the fan is inconvenient to install, so that the normal work of the air-conditioning heat pump unit is influenced.

In one embodiment, the included angle α =60 ° of the heat exchanger in the V-shaped configuration.

It can be understood that the included angle α of the heat exchanger in the V-shaped structure is set to α =60 °, so that the normal outflow of the defrosting water generated in the heat exchanger is ensured on the premise of facilitating the installation of the fan.

In one embodiment, the air-conditioning heat pump unit further comprises a water pan assembly, the water pan assembly is arranged at one end of the heat exchanger, which is far away from the fan, and is connected with the heat exchanger, and the water pan assembly is used for receiving the defrosting water flowing down from the heat exchanger.

It will be appreciated that by locating the water-tray assembly at the end of the heat exchanger remote from the fan, the defrosted water flowing from the heat exchanger is caused to flow into the water-tray assembly.

In one embodiment, the water pan assembly comprises a support member connected to the end of the heat exchanger remote from the fan, the support member being arranged to support the heat exchanger.

It will be appreciated that the support member provides support for the heat exchanger by providing the support member at an end of the heat exchanger remote from the fan.

In one embodiment, two ends of the supporting member are provided with connecting grooves, and the connecting grooves at the two ends of the supporting member are both recessed towards the middle position of the supporting member.

It will be appreciated that by providing the connection slots at both ends of the support member, it is facilitated that other components such as connection tubes can be connected to the heat exchanger via the connection slots.

In one embodiment, the water pan assembly further comprises a water receiving groove for receiving the defrosted water flowing down from the heat exchanger, the water receiving groove is connected to two sides of the support member, and the wall of the water receiving groove is arranged in an arc shape or a V shape.

It can be understood that the wall of the water receiving tank is arranged in a circular arc shape or a V shape, so that the flow guiding effect on the defrosting water flowing down from the heat exchanger is achieved, and the defrosting water is prevented from being gathered.

In one embodiment, a drain hole is formed in a wall of the water receiving tank, a drain pipe is connected to one end of the water receiving tank, which is far away from the support member, and the drain pipe is communicated with the drain hole.

It can be understood that, by opening the drain holes on the wall of the water receiving tank, which are communicated with the drain pipes, the defrosted water flowing into the water receiving tank can be drained through the drain pipes.

In one embodiment, the support member includes a connecting portion, the connecting portion is located on two sides of the support member, the support member is welded to the water receiving tank through the connecting portion, and the connecting portion is lapped on one side of the water receiving tank away from the drain pipe.

It can be understood that, by enabling the connecting part to overlap one side of the water receiving groove far away from the drain pipe, the frost melting water is prevented from gathering at the overlapping part of the connecting part and the water receiving groove, and then the discharge of the frost melting water is prevented.

In one embodiment, the cross section of the connecting part is L-shaped or inclined.

In one embodiment, the support member is provided with a storage hole, and defrosting water can be discharged from the storage hole.

It can be understood that, by forming the reserve holes on the support member, when the defrosted water is too much, the reserve holes can also play a role in draining water, thereby enhancing the efficiency of draining water.

Compared with the prior art, the included angle alpha of the heat exchanger in the V-shaped structure is set to be more than or equal to 20 degrees and less than or equal to 90 degrees, and if the included angle alpha of the heat exchanger in the V-shaped structure is too large, the defrosting water generated in the heat exchanger is inconvenient to flow out; if the included angle alpha of the heat exchanger is too small, the fan is inconvenient to install, so that the normal work of the air-conditioning heat pump unit is influenced.

Drawings

Fig. 1 is a schematic structural view of an air conditioning heat pump unit provided by the present invention at a viewing angle;

fig. 2 is a schematic structural view of another view angle of the air-conditioning heat pump unit provided by the present invention;

fig. 3 is a schematic structural view of a view angle of the water pan assembly provided by the present invention;

fig. 4 is a schematic structural view of another view angle of the water pan assembly provided by the present invention;

fig. 5 is a schematic structural view of another view angle of the water pan assembly provided by the present invention.

Reference numerals:

100. an air-conditioning heat pump unit; 10. a fan; 20. a heat exchanger; 30. a water pan assembly; 31. a support member; 311. connecting grooves; 312. a connecting portion; 313. a reserve hole; 32. a water receiving tank; 321. a drain hole; 322. a drain pipe; 40. a wind deflector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and the following detailed description. It should be understood that the detailed description and specific examples, while indicating the scope of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.

It will be understood that when an element is referred to as being "mounted on" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. When an element is referred to as being "secured to" another element, it can be directly secured to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 5, the present invention provides an air-conditioning heat pump assembly 100, and the air-conditioning heat pump assembly 100 is applied to an air-conditioning system.

The existing air-conditioning heat pump unit can generate a frosting phenomenon on an evaporator in the heating process in winter, a large amount of water can be generated after defrosting, and the water is frozen when the air temperature is lower than 0 ℃ and part of water in the water pan assembly cannot flow away in time. An important reason for water to freeze as ice is that outdoor unit water collector assemblies are generally designed as sheet metal products, and the heat dissipation effect of the sheet metal is very good, and when defrosting water flows on such water collector, the defrosting water temperature is reduced sharply, even freezing. With the continuous operation of the air-conditioning heat pump unit, frost and frost are continuously formed, so that the ice layer is thicker and thicker, the ice layer can climb onto the evaporator to influence the operation of the heat exchanger, and even the evaporator is frozen and cracked.

The problem of defrosting water icing frost crack evaporimeter in current air conditioner heat pump set is solved. The utility model provides an air-conditioning heat pump unit 100, which comprises a fan 10, a heat exchanger 20 and a water pan component 30, wherein the heat exchanger 20 is arranged in a V-shaped structure, the fan 10 is arranged at the opening at the upper end of the heat exchanger 20 in the V-shaped structure, and the water pan component 30 is arranged at the lower end of the heat exchanger 20 and can receive and discharge the defrosting water of the heat exchanger 20; the included angle of the heat exchanger 20 in the V-shaped structure is alpha, and alpha satisfies the following relational expression: alpha is more than or equal to 20 degrees and less than or equal to 90 degrees.

The included angle alpha of the heat exchanger 20 in the V-shaped structure is set to be more than or equal to 20 degrees and less than or equal to 90 degrees, and if the included angle alpha of the heat exchanger 20 in the V-shaped structure is too large, defrosting water generated in the heat exchanger 20 directly and vertically drops; if the included angle α of the heat exchanger 20 having the V-shaped structure is too small, the fan 10 is not convenient to mount and the heat exchange effect of the heat exchanger 20 is not ensured, so that the normal operation of the air-conditioning heat pump unit 100 is affected.

That is, the included angle α of the heat exchanger 20 having the V-shaped structure may be 20 °, 30 °, 40 °, 50 °, 60 °, 70 °, 80 °, 90 °, or any angle falling within the range, which is not limited herein.

Preferably, the included angle α =60 ° of the heat exchanger 20 in the V-shaped configuration. The included angle α of the heat exchanger 20 having the V-shaped structure is set to α =60 °, so that the normal outflow of the defrosting water generated in the heat exchanger 20 is ensured on the premise of facilitating the installation of the fan 10.

As shown in fig. 1 and 2, the heat exchanger 20 is arranged in a V-shaped configuration. An opening is arranged above the heat exchanger 20 in a V-shaped structure, and the fan 10 is horizontally arranged at the opening at the upper end of the heat exchanger 20 in the V-shaped structure. The air-conditioning heat pump unit 100 further includes wind shields 40, and the wind shields 40 are disposed at openings at both ends of the V-shaped heat exchanger 20, that is, the wind shields 40 are also disposed in a plate shape of a V-shaped structure. The fan 10, the heat exchanger 20 and the wind shield 40 form a rectangular pyramid structure in section.

In the present embodiment, the axial flow fan 10 is adopted as the fan 10, and the number of the fans 10 is 2; the heat exchanger 20 is a finned heat exchanger 20, and the number of the heat exchangers 20 is 2; correspondingly, the number of wind deflectors 40 is also set to 2. Of course, in other embodiments, the type and number of the fans 10, the type and number of the heat exchangers 20, and the number of the wind deflectors 40 are not limited thereto, and may be adaptively adjusted according to different situations, and are not limited herein.

Further, the air-conditioning heat pump unit 100 further includes a water tray assembly 30. The water receiving tray assembly 30 is disposed at the bottom of the V-shaped structure heat exchanger 20 and extends along the bottom edge of the heat exchanger 20 in the longitudinal direction so as to receive the defrosted water sliding off the heat exchanger 20. It should be noted that, in order to accommodate the shape of the air conditioning heat pump assembly 100, the drip tray assembly 30 is integrally provided in an elongated configuration designed to accommodate the shape along the bottom edge of the heat exchanger 20.

As shown in fig. 1 to 5, the drip tray assembly 30 includes a support member 31. The support 31 is connected to an end of the heat exchanger 20 away from the fan 10, and the heat exchanger 20 is fixedly connected to the support 31 by a screw, but in other embodiments, the heat exchanger 20 and the support 31 may also be fixedly connected by other means such as welding, and the like, and is not limited herein. The support 31 is used to provide support to the heat exchanger 20.

In the present embodiment, the cross section of the support 31 has an inverted V-shape; that is, the heat exchanger 20 of the V-shaped structure is opened toward the upper end, and the support 31 is opened toward the lower end. The middle of the supporting member 31 is a horizontally extending flat plate structure, two symmetrical and downward-inclined plates are correspondingly integrally formed or bent at two sides, and the lower end of the heat exchanger 20 is mounted on the inclined plates. Support piece 31 so sets up not only makes things convenient for heat exchanger 20's installation to guarantee heat exchanger 20's heat transfer effect, and the swash plate can also play the water conservancy diversion effect to the defrosting water that slides to support piece 31 in following heat exchanger 20, and the outflow of the defrosting water of being convenient for reduces the possibility that the defrosting water gathering freezes.

Specifically, the supporting member 31 has two ends opened with connecting slots 311. The coupling grooves 311 of both ends of the support 31 are recessed toward the middle of the support 31. It should be noted that the connecting slot 311 may be a notch depressed toward the middle of the supporting member 31. The connection slot 311 is opened to facilitate connection and installation through the connection slot 311 when the supporting member 31 needs to be connected with other components, and the opening of the connection slot 311 is equivalent to providing a reserved position on the supporting member 31 for installation with other components.

Further, the drip tray assembly 30 further includes a drip tray 32 for receiving the defrosted water flowing down from the heat exchanger 20. In this embodiment, the number of the water receiving tanks 32 is 2, but is not limited to 2, and is not limited herein. The 2 water receiving grooves 32 are connected to both sides of the supporting member 31, and the defrosted water flowing down from the heat exchanger 20 slides onto the supporting member 31 and is guided to the water receiving grooves 32 by the supporting member 31 in an inverted V-shaped structure.

Specifically, the support 31 further includes a connection portion 312. The connecting parts 312 are located at two sides of the supporting part 31, and the supporting part 31 is welded with the water receiving tank 32 through the connecting parts 312. It should be noted that, when the supporting member 31 is welded to the water receiving tank 32 through the connecting portion 312, the connecting portion 312 should overlap an end surface of the water receiving tank 32 far from the end of the water discharge pipe 322. If the connection portion 312 should overlap the end surface of the water receiving tank 32 near the end of the water discharge pipe 322, when the defrosted water flows into the water receiving tank 32 from the connection portion 312, the defrosted water is likely to gather at the overlapping portion of the connection portion 312 and the water receiving tank 32, and is not easy to be discharged.

Preferably, the cross section of the connection portion 312 is L-shaped or inclined, that is, the bottom surface of the connection portion 312 is a plane or an inclined surface as a whole, so that the defrosted water is not gathered. Of course, in other embodiments, the connecting portion 312 may be provided in other shapes as long as the effect of preventing the defrosted water from being collected can be achieved, and the cross-sectional shape of the connecting portion 312 is not limited herein.

Preferably, the wall of the water receiving tank 32 is arc-shaped or V-shaped. Compare and be square water receiving tank 32 in current cell wall, be arc or the water receiving tank 32 that the V style of calligraphy set up play the water conservancy diversion effect to defrosting water more easily and be unlikely to let defrosting water gathering in the corner, the outflow of the defrosting water of being convenient for.

Of course, the groove wall of the water receiving tank 32 is not limited to be circular arc or V-shaped, as long as the groove wall of the water receiving tank 32 has the effect of avoiding the frost water from gathering, and the shape is not limited herein.

Further, a drain hole 321 is formed on a wall of the water receiving tank 32. The end of the water receiving tank 32 away from the support 31 is connected with a drain pipe 322, and the drain pipe 322 is communicated with the drain hole 321. When the defrosted water guided from the support 31 to the water receiving tank 32 can be discharged in time through the drain hole 321 and the drain pipe 322, the problem that the defrosted water on the heat exchanger 20 is accumulated to freeze and crack the heat exchanger 20 is solved.

Specifically, the number of the drain holes 321 and the drain pipes 322 may be set according to specific situations, and the number of the drain holes 321 and the drain pipes 322 is not limited herein.

Further, a storage hole 313 is formed on the supporting member 31. The defrosted water can be discharged from the reserve hole 313. The reserve hole 313 can also function as a drain when the defrosted water that has slipped off from the heat exchanger 20 onto the support 31 is excessive, thereby enhancing the efficiency of draining.

It is noted that the reserve hole 313 may also be connected to the drain pipe 322 so that the defrosting water is discharged through the drain pipe 322.

In the working process of the air-conditioning heat pump unit 100, because the included angle of the heat exchanger 20 in the V-shaped structure is set to be between 20 degrees and more than or equal to alpha and less than or equal to 90 degrees, the defrosted water in the heat exchanger 20 slides off, the defrosted water sliding off from the heat exchanger 20 drops on the support piece 31, and because the support piece 31 is arranged in the inverted V shape, the defrosted water flows into the water receiving tank 32 under the guide effect of the support piece 31, then flows into the drain pipe 322 through the drain hole 321 on the water receiving tank 32, and finally is discharged. It is prevented that the defrosted water in the heat exchanger 20 is accumulated to be frozen to freeze the heat exchanger 20.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An air-conditioning heat pump unit comprises a fan (10), a heat exchanger (20) and a water pan assembly (30), wherein the heat exchanger (20) is arranged in a V-shaped structure, the fan (10) is arranged at an opening at the upper end of the heat exchanger (20) in the V-shaped structure, and the water pan assembly (30) is arranged at the lower end of the heat exchanger (20) and can receive and discharge defrosting water of the heat exchanger (20);

the heat exchanger is characterized in that the included angle of the heat exchanger (20) in a V-shaped structure is alpha, and the alpha satisfies the following relational expression:

20°≤α≤90°。

2. an air conditioning heat pump assembly according to claim 1, wherein the included angle α =60 ° of the heat exchanger (20) in the V-shaped structure.

3. An air-conditioning heat pump unit according to claim 2, characterized in that the air-conditioning heat pump unit further comprises a water pan assembly (30), the water pan assembly (30) is arranged at one end of the heat exchanger (20) far away from the fan (10) and is connected with the heat exchanger (20), and the water pan assembly (30) is used for receiving the defrosting water flowing down from the heat exchanger (20).

4. An air conditioning heat pump unit according to claim 3, characterised in that the water pan assembly (30) comprises a support (31), the support (31) being connected to the end of the heat exchanger (20) remote from the fan (10), and the support (31) being used to support the heat exchanger (20).

5. An air-conditioning heat pump unit according to claim 4, characterized in that the two ends of the support member (31) are provided with connecting slots (311), and the connecting slots (311) at the two ends of the support member (31) are both recessed towards the middle position of the support member (31).

6. An air-conditioning heat pump unit according to claim 4, characterized in that the water pan assembly (30) further comprises a water receiving tank (32) for receiving defrosted water flowing down from the heat exchanger (20), the water receiving tank (32) is connected to both sides of the support member (31), and the wall of the water receiving tank (32) is arranged in a circular arc shape or a V shape.

7. An air conditioning heat pump unit according to claim 6, wherein a drain hole (321) is formed on a wall of the water receiving tank (32), a drain pipe (322) is connected to an end of the water receiving tank (32) far away from the support member (31), and the drain pipe (322) is communicated with the drain hole (321).

8. An air-conditioning heat pump unit according to claim 7, characterized in that the support member (31) comprises connecting portions (312), the connecting portions (312) are located on two sides of the support member (31), the support member (31) is welded with the water receiving tank (32) through the connecting portions (312), and the connecting portions (312) are lapped on one side of the water receiving tank (32) far away from the water discharge pipe (322).

9. An air-conditioning heat pump unit according to claim 8, characterized in that the cross section of the connecting part (312) is L-shaped or is bevel-shaped.

10. An air conditioning heat pump unit according to claim 9, wherein the supporter (31) is formed with a reserve hole (313), and defrosted water can be discharged from the reserve hole (313).