CN216282170U

CN216282170U - Flow dividing device, distributor and air conditioner

Info

Publication number: CN216282170U
Application number: CN202120612441.2U
Authority: CN
Inventors: 李思怡; 王现林; 吴一迪; 肖桥; 柏秋实; 叶晋生
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-03-25
Filing date: 2021-03-25
Publication date: 2022-04-12
Anticipated expiration: 2031-03-25

Abstract

The application provides a diverging device, distributor and air conditioner. This diverging device includes flow distribution plate (1) and sets up convex closure (2) on flow distribution plate (1), and a plurality of convex closures (2) are arranged along the circumference interval of flow distribution plate (1), and the unilateral of convex closure (2) has opening (3), the face both sides of intercommunication flow distribution plate (1), and other each sides of convex closure (2) are connected on flow distribution plate (1). According to the flow dividing device, the stability of the structure of the flow dividing device can be improved, and the distribution uniformity of the refrigerant is improved.

Description

Flow dividing device, distributor and air conditioner

Technical Field

The application relates to the technical field of air conditioning, in particular to a flow dividing device, a distributor and an air conditioner.

Background

A distributor for refrigeration and air-conditioning pipeline system, it should realize after fully mixing gas-liquid two-phase refrigerant, supply liquid to the evaporator evenly, equally, but the two-phase mixture of gas-liquid often appears in the actual operation unevenly and the refrigerant flow that gets into each branch road is uneven, and these two kinds of circumstances have all caused the difference of each branch road liquid supply volume, have influenced the heat exchange performance of evaporator, and then have influenced the working property of whole refrigerating system. The performance of the distributor is mainly reflected in distribution uniformity and noise.

In the prior art, a jet orifice plate with a plurality of punching slits and guide vanes is provided, and the guide vanes are arranged on the jet orifice plate in a suspension manner, so that the structure is unstable, and the uniformity of refrigerant distribution can be influenced in the flowing process of the refrigerant.

SUMMERY OF THE UTILITY MODEL

Therefore, an object of the present invention is to provide a flow divider, a distributor and an air conditioner, which can improve the stability of the flow divider structure and improve the refrigerant distribution uniformity.

In order to solve the problem, the application provides a diverging device, including flow distribution plate and the convex closure of setting on the flow distribution plate, a plurality of convex closures are arranged along the circumference interval of flow distribution plate, and the unilateral of convex closure has the opening, the face both sides of intercommunication flow distribution plate, and other each sides of convex closure are connected on the flow distribution plate.

Preferably, the opening of the convex hull is oriented parallel to the face of the diverter plate.

Preferably, the convex hulls increase in height in a direction approaching the opening.

Preferably, the convex hull is of a symmetrical structure, and on a symmetrical plane of the convex hull, an included angle a is formed between a connecting line of the highest point and the lowest point of the convex hull and the plate surface of the flow distribution plate, wherein a is more than 0 degree and less than 90 degrees.

Preferably, the end face of the opening end of the convex hull is a plane, a connecting line between an end point of the end face of the opening end, which is far away from the center of the flow distribution plate, and the center of the flow distribution plate is a radial line, an included angle between the radial line and the end face of the opening end is b, and b is more than or equal to 0 degrees and less than 90 degrees.

Preferably, the convex hull is stamped from the manifold.

Preferably, the convex hull forms a notch of a predetermined width between the projection on the surface of the splitter plate and the edge of the stamping opening in the splitter plate.

Preferably, the projection of the convex hull on the surface of the flow distribution plate is semicircular, semi-elliptical or polygonal.

Preferably, the flow distribution device further comprises a cylinder connected to the outer circumference of the flow distribution plate and located at the side of the flow distribution plate where the convex hull is located.

According to another aspect of the present application, there is provided a dispenser comprising a flow dividing device as described above.

Preferably, the distributor further comprises a housing, the housing comprises an inlet section, a transition section, a jet section and an outlet section which are arranged in sequence, and the flow dividing device is installed in the jet section.

Preferably, be provided with first spacing portion in the efflux section, first spacing portion is located the diverging device and keeps away from the one end of changeover portion, and first spacing portion cooperates with the changeover portion, carries on spacingly to the diverging device.

Preferably, the first limit portion is a convex point or a convex ring arranged on the inner peripheral wall of the jet flow section.

Preferably, a second limiting part is arranged in the inlet section, and the second limiting part is a convex point or a convex ring arranged on the inner peripheral wall of the inlet section.

Preferably, the export section is provided with a plurality of flanging holes including setting up the apron of keeping away from changeover portion one end at the efflux section on, the flanging hole towards keeping away from the one side turn-ups of efflux section.

According to another aspect of the present application, there is provided an air conditioner, characterized by comprising the above-mentioned flow dividing device or the above-mentioned distributor.

The application provides a diverging device, including flow distribution plate and the convex closure of setting on the flow distribution plate, a plurality of convex closures are arranged along the circumference interval of flow distribution plate, and the unilateral opening of convex closure communicates the face both sides of flow distribution plate, and other each sides of convex closure are connected on the flow distribution plate. This diverging device's convex closure unilateral opening, other each sides all are connected with the face of flow distribution plate, consequently can strengthen the joint strength between convex closure and the flow distribution plate, improve the structural stability of convex closure on the flow distribution plate for the convex closure is not the cantilever setting, avoids the refrigerant flow in-process to drive the convex closure and quiver and lead to shunting inequality and produce the problem of reposition of redundant personnel noise easily, improves refrigerant distribution homogeneity.

Drawings

FIG. 1 is a first isometric view of a shunt device according to one embodiment of the present application;

FIG. 2 is a second isometric view of a shunt device according to one embodiment of the present application;

FIG. 3 is a half-sectional view of a convex hull of the shunt device according to one embodiment of the present application;

FIG. 4 is an isometric view of a shunt device according to one embodiment of the present application;

FIG. 5 is a front view of a shunt device according to one embodiment of the present application;

FIG. 6 is an isometric view of a shunt device according to one embodiment of the present application;

FIG. 7 is an isometric view of a shunt device according to one embodiment of the present application;

FIG. 8 is an isometric view of a shunt device according to one embodiment of the present application;

FIG. 9 is a front view of a shunt device according to one embodiment of the present application;

FIG. 10 is an isometric view of a shunt device according to one embodiment of the present application;

FIG. 11 is an isometric view of a shunt device according to one embodiment of the present application;

FIG. 12 is a front view of a shunt device according to one embodiment of the present application;

FIG. 13 is a cross-sectional view of a dispenser according to one embodiment of the present application;

fig. 14 is a bottom view of a dispenser of one embodiment of the present application.

The reference numerals are represented as:

1. a flow distribution plate; 2. a convex hull; 3. an opening; 4. cutting; 5. a cylinder; 6. an inlet section; 7. a transition section; 8. a jet section; 9. an outlet section; 10. a first limiting part; 11. a second limiting part; 12. a cover plate; 13. and (4) flanging holes.

Detailed Description

Referring to fig. 1 to 14 in combination, according to an embodiment of the present application, the flow dividing device includes a flow dividing plate 1 and convex hulls 2 disposed on the flow dividing plate 1, the convex hulls 2 are arranged at intervals along the circumferential direction of the flow dividing plate 1, one side of each convex hull 2 has an opening 3 communicating with two sides of the plate surface of the flow dividing plate 1, and the other sides of each convex hull 2 are connected to the flow dividing plate 1.

This diverging device's convex closure 2 is at the unilateral opening, other each sides all are connected with flow distribution plate 1's face, consequently can strengthen the joint strength between convex closure 2 and the flow distribution plate 1, improve the structural stability of convex closure 2 on flow distribution plate 1, make convex closure 2 not the cantilever setting, but can follow fixed connection between multilateral and flow distribution plate 1, avoid the refrigerant flow in-process to drive convex closure 2 to shake and lead to shunting inequality and produce the problem of reposition of redundant personnel noise easily, improve refrigerant distribution homogeneity.

The orientation of the opening 3 of the convex hull 2 is parallel to the surface of the flow distribution plate 1, so that after the refrigerant flows out of the opening 3 of the convex hull 2, the refrigerant flows along the surface of the flow distribution plate 1 for a certain distance, and then flows downwards, the refrigerant can be mixed more fully, and the distribution uniformity of the refrigerant is improved.

The convex hull 2 is highly increased along the direction close to the opening 3, so that the area of the flow distribution channel is gradually increased, the refrigerant can flow to the other side from one side of the flow distribution plate 1 through the convex hull 2 more conveniently, and the flow resistance is reduced.

In one embodiment, the convex hull 2 has a symmetrical structure, and on a symmetrical plane of the convex hull 2, an included angle a is formed between a connecting line of the highest point and the lowest point of the convex hull 2 and the plate surface of the flow distribution plate 1, where a is greater than 0 degrees and less than 90 degrees, so that the convex hull 2 can form a flow guide structure, and a refrigerant on the first side of the flow distribution plate 1 can be conveniently guided to the second side. In the present embodiment, the wall thickness of the convex hull 2 is of uniform thickness.

The open end terminal surface of convex closure 2 is the plane, and the line between the extreme point that the center of flow distribution plate 1 was kept away from to the open end terminal surface and the center of flow distribution plate 1 is the radial line, and the contained angle between radial line and the open end terminal surface is b, and 0 is less than or equal to b < 90, can prescribe a limit to the orientation of opening 3, guarantees that the refrigerant flows out the back from opening 3, can form more even distribution, reduces the noise that flows.

In one embodiment, the convex hull 2 is formed by stamping and cutting the flow distribution plate 1, and the convex hull 2 reaches the cut surface to form an open end surface. Adopt stamping system shaping convex closure 2, can reduce the processing degree of difficulty, improve machining efficiency, and need not to provide additional structure, can use materials on the spot, practice thrift the cost.

The notch 4 of the width is predetermine in the projection of convex closure 2 on the 1 face of flow distribution plate and the edge of the punching press mouth on the flow distribution plate 1 between, and this notch 4 shaping can reduce the punching press degree of difficulty of convex closure 2 with convex closure 2 shaping before, increases convex closure 2's opening simultaneously.

The projection of the convex hull 2 on the surface of the flow distribution plate 1 is semicircular, semielliptical or polygonal. When the projection of the convex hull 2 on the plate surface of the flow distribution plate 1 is a polygon, the projection may be a triangle, and the opening shape may be a triangle or a trapezoid. The projection of the convex hull 2 on the surface of the flow distribution plate 1 can also be trapezoidal, and the opening shape can be trapezoidal at this moment. The shape of the convex hull 2 and the shape of the opening 3 may be determined by the desired flow splitting effect.

The flow distribution device further comprises a cylinder 5, wherein the cylinder 5 is connected to the outer circumference of the flow distribution plate 1 and is positioned on one side of the flow distribution plate 1, which is provided with the convex hull 2. This drum 5 can provide certain support thickness for flow distribution plate 1, makes things convenient for diverging device's installation location, can avoid flow distribution plate 1 atress moreover, and then guarantees flow distribution plate 1 overall structure's stability.

The material of the shunt device is stainless steel, for example.

The convex hulls 2 are uniformly arranged along the circumferential direction of the flow distribution plate 1 at intervals, the shape and the size of each convex hull 2 are the same, and the shape and the size of the opening 3 are the same.

In one embodiment, the convex hull 2 is an 1/4 spherical structure.

Referring to fig. 13 and 14 in combination, according to an embodiment of the present application, the dispenser includes a flow dividing device, which is the flow dividing device described above.

The distributor also comprises a shell, the shell comprises an inlet section 6, a transition section 7, a jet section 8 and an outlet section 9 which are arranged in sequence, and the flow dividing device is arranged in the jet section 8. The inlet section 6 and the outlet section 9 are used for connecting branch pipes, the transition section 7 is a transition stage from the jet flow section 8 to the inlet section 6 in a spinning mode, the jet flow section 8 is a main action part of the distributor and used for distributing the refrigerant, and the flow dividing device is mainly used for guiding the refrigerant.

Be provided with first spacing portion 10 in the jet section 8, first spacing portion 10 is located the diverging device and keeps away from the one end of changeover portion 7, and first spacing portion 10 cooperates with changeover portion 7, carries on spacingly to the diverging device.

The first limit portion 10 is a convex point or a convex ring arranged on the inner circumferential wall of the jet flow section 8.

The cross-section of transition section 7 increases progressively along the direction that is close to efflux section 8 to reach the biggest in the position department of being connected with efflux section 8, the sectional area of transition section 7 this moment equals the sectional area of efflux section 8, after diverging device installation incident stream section 8, bump or bulge loop that first spacing portion 10 formed form spacingly to the first end of the drum 5 of diverging device, transition section 7 is spacing to drum 5 from the second end of drum 5, thereby spacing the diverging device axial in efflux section 8, the stability and the reliability of diverging device mounting structure in efflux section 8 have been guaranteed.

A second limiting part 11 is arranged in the inlet section 6, and the second limiting part 11 is a convex point or a convex ring arranged on the inner peripheral wall of the inlet section 6. The second limiting part 11 is used for limiting the insertion depth of the branch pipe in the inlet section 6 and ensuring the accuracy of the insertion position of the branch pipe in the inlet section 6.

The outlet section 9 comprises a cover plate 12 which is arranged at one end of the jet flow section 8 far away from the transition section 7, a plurality of flanging holes 13 are arranged on the cover plate 12, and the flanging holes 13 are flanged towards one side far away from the jet flow section 8. Each flanging hole 13 is connected with one branch pipe, so that a flow dividing structure is formed.

According to an embodiment of the present application, an air conditioner includes the above-described flow dividing device or the above-described distributor.

It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.

Claims

1. The utility model provides a flow distribution device, its characterized in that is in including flow distribution plate (1) and setting convex closure (2) on flow distribution plate (1), it is a plurality of convex closure (2) are followed the circumference interval of flow distribution plate (1) is arranged, the unilateral of convex closure (2) has opening (3), the intercommunication the face both sides of flow distribution plate (1), other each sides of convex closure (2) are connected on flow distribution plate (1).

2. A diverter device according to claim 1, characterized in that the opening (3) of the convex hull (2) is oriented parallel to the plate surface of the diverter plate (1).

3. A shunt device according to claim 1, wherein the height of the convex hull (2) increases in the direction of the opening (3).

4. A flow distribution device according to claim 3, wherein the convex hull (2) has a symmetrical structure, and on the symmetrical plane of the convex hull (2), the line connecting the highest point and the lowest point of the convex hull (2) and the plate surface of the flow distribution plate (1) forms an included angle a, and the included angle a is more than 0 degrees and less than 90 degrees.

5. The flow distribution device according to claim 1, wherein the open end face of the convex hull (2) is a plane, the connecting line between the end point of the open end face far away from the center of the flow distribution plate (1) and the center of the flow distribution plate (1) is a radial line, and the included angle between the radial line and the open end face is b, and is greater than or equal to 0 degrees and less than 90 degrees.

6. A diverter device according to claim 1, characterized in that the convex hull (2) is stamped from the diverter plate (1).

7. A device according to claim 6, characterized in that the projection of the convex hull (2) onto the surface of the flow distribution plate (1) and the edge of the punching opening in the flow distribution plate (1) form a cut (4) of a predetermined width.

8. A flow distribution device according to claim 1, wherein the projection of the convex hull (2) on the surface of the flow distribution plate (1) is semicircular, semi-elliptical or polygonal.

9. A diverter device according to claim 1, characterized in that it further comprises a cylinder (5), said cylinder (5) being attached to the outer circumference of the diverter plate (1) on the side of the diverter plate (1) where the convex hull (2) is located.

10. A dispenser comprising a flow diversion apparatus, wherein said flow diversion apparatus is as claimed in any one of claims 1 to 9.

11. The distributor according to claim 10, further comprising a housing comprising an inlet section (6), a transition section (7), a jet section (8) and an outlet section (9) arranged in sequence, the flow dividing device being mounted within the jet section (8).

12. A distributor according to claim 11, wherein a first limiting portion (10) is provided in the jet section (8), the first limiting portion (10) being located at an end of the flow dividing device remote from the transition section (7), the first limiting portion (10) cooperating with the transition section (7) to limit the flow dividing device.

13. A distributor according to claim 12, wherein the first stop (10) is a raised point or a raised ring provided on the inner circumferential wall of the jet section (8).

14. Dispenser according to claim 11, wherein a second stop (11) is provided in the inlet section (6), the second stop (11) being a bump or a collar provided on the inner circumferential wall of the inlet section (6).

15. Distributor according to claim 11, characterized in that the outlet section (9) comprises a cover plate (12) arranged at the end of the jet section (8) remote from the transition section (7), the cover plate (12) being provided with a plurality of flanging holes (13), the flanging holes (13) being flanged towards the side remote from the jet section (8).

16. An air conditioner characterised by comprising a flow dividing device as claimed in any one of claims 1 to 9 or a distributor as claimed in any one of claims 10 to 15.