CN218600052U

CN218600052U - Knockout and have its heat exchanger subassembly

Info

Publication number: CN218600052U
Application number: CN202223076692.7U
Authority: CN
Inventors: 王文杰; 郎壮; 杨洋; 陈佳杨
Original assignee: Zhejiang DunAn Hetian Metal Co Ltd
Current assignee: Zhejiang DunAn Hetian Metal Co Ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-03-10
Anticipated expiration: 2032-11-18

Abstract

The utility model provides a knockout and have its heat exchanger subassembly, include: the cylinder is provided with an inflow end, an outflow end and a communicating cavity communicated with the inflow end and the outflow end; a distribution structure mounted in the communication chamber; wherein, distribution structure includes that the interval arrangement advances and flows board and flow distribution plate, has the branch sap cavity between advancing and flowing board, is provided with the influent stream mouth on advancing the board, and the flow distribution plate setting is kept away from the one side of flowing into the end at the influent stream board, and the flow distribution plate setting is provided with branch liquid outlet on the flow distribution plate at outflow end department, and the influent stream mouth all communicates with branch sap cavity with dividing liquid outlet. Through the technical scheme provided by the utility model, can solve among the prior art problem that the fluid mixes inadequately, the distribution effect is poor.

Description

Knockout and have its heat exchanger subassembly

Technical Field

The utility model relates to an air conditioning system technical field particularly, relates to a knockout and have its heat exchanger subassembly.

Background

At present, in the existing air conditioning system, a liquid separator is usually connected to a liquid inlet end of a heat exchanger, and the working efficiency of the heat exchanger is directly influenced by the mixing and shunting effects of the liquid separator on fluid.

However, the conventional dispenser technology has a problem that the mixing of the fluids is insufficient and the dispensing effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a knockout and have its heat exchanger subassembly to solve among the prior art problem that the fluid mixes inadequately, the distribution effect is poor.

In order to achieve the above object, according to an aspect of the present invention, there is provided a dispenser, comprising: the cylinder is provided with an inflow end, an outflow end and a communicating cavity communicated with the inflow end and the outflow end; the distribution structure is arranged in the communication cavity; wherein, distribution structure includes inlet flow plate and flow distribution plate of interval arrangement, has the branch sap cavity between inlet flow plate and the flow distribution plate, is provided with the influent stream mouth on the inlet flow plate, and the flow distribution plate setting is kept away from the one side of flowing into the end at the inlet flow plate, and the flow distribution plate setting is provided with branch liquid outlet on the flow distribution plate, and inlet flow mouth and branch liquid outlet all communicate with dividing the sap cavity.

Furthermore, the inner walls of the inflow plate, the flow distribution plate and the cylinder body enclose a component liquid cavity; or the distribution structure further comprises a connecting plate, the connecting plate is positioned between the flow inlet plate and the flow distribution plate, and the flow inlet plate, the flow distribution plate and the connecting plate enclose a liquid dividing cavity.

Furthermore, the flow inlet is a circular hole, the flow inlet plate is a circular plate, and the circle center of the flow inlet is superposed with the circle center of the flow inlet plate; the liquid outlet is a plurality of, and a plurality of liquid outlets surround the symmetry axis setting of inflow mouth in space, and a plurality of liquid outlets set up along the circumferencial direction at equal intervals.

Furthermore, the flow inlet is a first flanging opening, the flanging of the first flanging opening extends along the direction from the flow inlet to the liquid separation outlet, and the flanging of the first flanging opening is arranged on one side of the flow inlet plate close to the flow distribution plate; and/or the liquid separation outlet is a second flanging opening, the flanging of the second flanging opening extends along the direction from the flow inlet to the liquid separation outlet, and the flanging of the second flanging opening is arranged on one side of the flow distribution plate, which is far away from the flow inlet plate.

Furthermore, the distance between the flow inlet plate and the flow distribution plate is L1, the flanging length of the first flanging opening is L2, wherein L2/L1 is more than or equal to 1/5 and less than or equal to 1/3.

Furthermore, the radius of the inflow port is R1, the radius of the liquid separation outlet is R2, wherein R2/R1 is more than or equal to 1/4 and less than or equal to 1/2; and/or the radial distance between the inflow opening and the liquid separation outlet is d, wherein d/R1 is more than or equal to 1/2 and less than or equal to 2/3.

Further, the dispenser further includes: and the filter screen is arranged in the communicating cavity and is arranged between the inflow end and the distribution structure.

Furthermore, the filter screen comprises an installation section and a filtering section which are connected with each other, the installation section is installed in the communicating cavity, the shape of the installation section is matched with that of the inner wall of the cylinder body, and the installation section is attached to the inner wall of the cylinder body; along the extending direction from the mounting section to the filtering section, the filtering section of the filtering section is gradually reduced; the barrel has spacing arch, and spacing arch is the lateral wall of barrel and caves in to the intercommunication intracavity and forms, and spacing arch is spacing with the fillter section butt.

Furthermore, the barrel comprises a flaring section and a liquid separation section which are connected with each other, wherein an inflow end is formed at one end, far away from the liquid separation section, of the flaring section, and an outflow end is formed at one end, far away from the flaring section, of the liquid separation section; wherein, installation section and distribution structure all install in dividing liquid section department.

According to the utility model discloses an on the other hand provides a heat exchanger assembly, include: a heat exchanger; the liquid separator is connected with the heat exchanger.

Use the technical scheme of the utility model, through set up the intercommunication chamber in the barrel, set up distribution structure in the intercommunication intracavity, along interval arrangement inflow board and flow distribution plate in order to form branch liquid chamber in distribution structure to set up the influent port on the inflow board, set up on the flow distribution plate and divide the liquid export, fluid get into behind the intercommunication chamber will get into through the influent port and divide the liquid intracavity to carry out after intensive mixing from dividing the liquid export and divide the liquid outflow, the reinforcing fluid distributes and the effect of mixing.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic diagram illustrating a dispenser according to an embodiment of the present invention;

fig. 2 is a schematic size diagram illustrating a structure of a liquid distributor according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a barrel; 11. an inflow end; 12. an outflow end; 13. a communicating cavity; 14. a limiting bulge; 15. a flared section; 16. a liquid separation section;

20. a distribution structure; 21. a flow inlet plate; 211. a flow inlet; 22. a splitter plate; 221. a liquid separation outlet; 23. a liquid separation cavity; 24. a connecting plate;

30. a filter screen; 31. an installation section; 32. a filtration section;

41. an inlet pipe; 42. a liquid separating pipe.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

As shown in fig. 1 and fig. 2, a first embodiment of the present invention provides a dispenser, which includes: a barrel 10, a dispensing structure 20 and a filter screen 30. The cylinder 10 has an inflow end 11, an outflow end 12, and a communication chamber 13 communicating with both the inflow end 11 and the outflow end 12. The distribution structure 20 is mounted in the communication chamber 13. The distribution structure 20 in this embodiment includes a flow inlet plate 21 and a flow dividing plate 22, the shapes of the flow inlet plate 21 and the flow dividing plate 22 are respectively adapted to the shape of the inner wall of the cylinder 10, the flow inlet plate 21 is provided with a flow inlet 211, the flow dividing plate 22 and the flow inlet plate 21 are arranged at an interval, the flow dividing plate 22 is arranged on one side of the flow inlet plate 21 away from the filter screen 30, the flow dividing plate 22 is arranged at the flow outlet end 12, the flow dividing plate 22 is provided with a liquid dividing outlet 221, a liquid dividing cavity 23 is arranged between the flow inlet plate 21 and the flow dividing plate 22, and the flow inlet 211 and the liquid dividing outlet 221 are both communicated with the liquid dividing cavity 23.

With the arrangement, the communicating cavity 13 is arranged in the liquid distributor, the distributing structure 20 is arranged in the communicating cavity 13, the flow inlet plate 21 and the flow dividing plate 22 are arranged at intervals in the distributing structure 20 to form the liquid dividing cavity 23, the flow inlet 211 is arranged on the flow inlet plate 21, the liquid dividing outlet 221 is arranged on the flow dividing plate 22, and after entering the communicating cavity 13, the fluid enters the liquid dividing cavity 23 through the flow inlet 211 to be fully mixed and then is divided into liquid and flows out from the liquid dividing outlet 221, so that the fluid distributing and mixing effects are enhanced. Therefore, the liquid distributor provided by the embodiment can solve the problems of insufficient fluid mixing and poor distribution effect in the prior art.

Specifically, in this embodiment, the fluid-dividing chamber 23 can be enclosed by the flow-in plate 21, the flow-dividing plate 22 and the inner wall of the cylinder 10, so as to ensure that the fluid can be fully mixed when entering the fluid-dividing chamber 23, and the fluid flows out at the fluid-dividing outlet 221 after mixing.

Alternatively, as another embodiment, a connecting plate 24 may be provided between the inflow plate 21 and the dividing plate 22, the connecting plate 24 may be an annular plate-shaped structure, and the inflow plate 21 and the dividing plate 22 may be respectively installed at both ends of the connecting plate 24. The outer wall of the connecting plate 24 is shaped to match the inner wall of the barrel 10 so that the connecting plate 24 fits within the barrel 10. Adopt such structure setting, can be convenient for make distribution structure 20 be solitary structure, be convenient for carry out dismouting and adjustment, guaranteed distribution structure 20's the sealed effect of branch sap cavity 23, be convenient for mix through dividing sap cavity 23 to it is effectual to divide liquid through dividing liquid outlet 221 after mixing. In particular, the inflow plate 21 and the diversion plate 22 may constitute a separating chamber 23 for fluid mixing, the separating chamber 23 preferably being a circular chamber with flanged holes. The liquid diversion chamber 23 is arranged behind the filter screen 30 and in front of the outflow end 12, so that clean fluid can be diverted, and the heat radiator is prevented from being damaged due to impact of impurities. In addition, according to different requirements and air conditioner settings, the communicating cavity 13 can also be a rectangular cavity or other cavities with a symmetrical center. Here, it should be noted that: the connecting plate 24, the inflow plate 21 and the diversion plate 22 may be separate structures, or the connecting plate 24 and the inflow plate 21 may be an integrally formed structure, or the connecting plate 24 and the diversion plate 22 may be an integrally formed structure.

In this embodiment, the inlet 211 is a circular hole, the flow inlet plate 21 is a circular plate, and the center of the inlet 211 coincides with the center of the flow inlet plate 21 (the "center of the circle coincides" herein may allow the center of the inlet 211 to be within a certain error range with the center of the flow inlet plate 21). The plurality of liquid separation outlets 221 are spatially arranged around the axis of symmetry of the inlet 211, and the plurality of liquid separation outlets 221 are arranged at equal intervals in the circumferential direction.

Specifically, the liquid separation outlets 221 are multiple, and two or more are defined, the inlet 211 is disposed in the center of the inlet 21, and can be disposed concentrically with the inlet 21 (where the concentric arrangement includes a concentric arrangement within a tolerance, and the "concentric arrangement" can be understood as that the center of the inlet 211 coincides with the center of the inlet 21), the liquid separation outlets 221 are spatially disposed around the symmetry axis of the inlet 211, and the liquid separation outlets 221 are disposed at equal intervals along the circumferential direction. By adopting the arrangement, the fluid passing through the inlet 211 can uniformly flow to the outlet 12 through the liquid separating outlet 221, uniform liquid separation of the fluid is realized, the flowing performance of the fluid is enhanced, and the working efficiency of the air conditioning system can be enhanced.

In this embodiment, the flow inlet 211 is a first flanged opening, the flange of the first flanged opening extends along the direction from the flow inlet 211 to the liquid separation outlet 221, and the flange of the first flanged opening is disposed on the side of the flow inlet plate 21 close to the flow distribution plate 22, or the flange is located in the liquid separation chamber 23. By adopting the arrangement, a guide channel is provided for the fluid through the flanging of the first flanging opening, so that the fluid can be guided conveniently to a preset position.

Specifically, when dividing liquid outlet 221 when being a plurality of, a plurality of minute liquid outlets 221 are with the symmetric center symmetrical arrangement of inflow port 211, like this, the turn-ups of first turn-ups mouth leads the face department that is located between a plurality of minute liquid outlets 221 of flow splitter 22 with the fluid and collides, the fluid rebounds once more after the collision and gets back to in dividing liquid chamber 23, and can kick-back with the face striking of inflow board 21 once more, like this the fluid through collision many times and kick-back, thereby be convenient for improve the mixing homogeneity that divides liquid chamber 23 better, so that realize the even minute liquid of fluid better. In addition, the flanging of the first flanging opening is equivalent to providing an accelerating channel, so that the flow velocity of the fluid entering the liquid dividing cavity 23 is increased, the impact and rebound of the fluid are better improved, and the mixing uniformity is improved.

Specifically, the liquid separation outlet 221 is a second flanging opening, a flange of the second flanging opening extends along the direction from the flow inlet 211 to the liquid separation outlet 221, and the flange of the second flanging opening is disposed on one side of the splitter plate 22 away from the flow inlet plate 21. By adopting the structure, the second flanging opening can be conveniently connected with the pipe fitting to be connected, and the installation is convenient.

Specifically, the first flanging opening structure of the flow inlet 211 can also be symmetrically arranged in a plurality along the symmetry center according to specific requirements. The radius of the liquid separation outlet 221 is smaller than that of the liquid inlet 211, and the arrangement can increase the flow velocity of the fluid at the liquid separation outlet 221, so that the heat exchange efficiency in the heat exchanger can be improved.

As shown in fig. 2, in the present embodiment, the distance between the flow inlet plate 21 and the flow dividing plate 22 is L1, the length of the first flanging is L2, the radius of the flow inlet 211 is R1, the radius of the liquid separating outlet 221 is R2, and the radial distance between the flow inlet 211 and the liquid separating outlet 221 is d.

Specifically, the relationship between the above values is as follows:

L2/L1 is more than or equal to 1/5 and less than or equal to 1/3, the arrangement can ensure that the fluid has sufficient space to flow out, and the situation that the fluid flowing out of the first flanging opening rebounds to the first flanging opening after being collided with the flow distribution plate 22 due to the fact that the distance between the flanging of the first flanging opening and the flow distribution plate 22 is too close is avoided, or the situation that the fluid cannot be collided and rebounded for many times due to the fact that the distance between the flanging of the first flanging opening and the flow distribution plate 22 is too far is avoided, so that the fluid can be fully mixed in the liquid distribution cavity 23.

R2/R1 is more than or equal to 1/4 and less than or equal to 1/2, and the arrangement can further accelerate the fluid entering the second flanging hole through the first flanging opening, thereby further improving the overall working efficiency of the system.

1/2. Ltoreq. D/R1. Ltoreq.2/3, it should be noted that the radial distance between the inlet 211 and the liquid separation outlet 221 may refer to the distance between the axis of symmetry of the inlet 211 and the axis of symmetry of the liquid separation outlet 221, and the liquid separation outlet 221 is arranged around the inlet 211. Through setting up the radial spacing between influent port 211 and the branch liquid outlet 221 in above-mentioned distance ratio within range, can guarantee to make the liquid that flows out through influent port 211 can strike to flow distribution plate 22 and bounce back to in dividing liquid chamber 23 to be convenient for the fluid carry out intensive mixing in dividing liquid chamber 23, improve the mixing homogeneity.

In the present embodiment, an inlet pipe 41 is installed at the inflow end 11, and a liquid separation pipe 42 is installed at the liquid separation outlet 221.

Specifically, the liquid distributor of the present embodiment further includes a filter screen 30, and the filter screen 30 is installed in the communicating cavity 13 and disposed between the inflow end 11 and the distributing structure 20 along the axial direction of the barrel 10. With such an arrangement, the cylinder 10 having the inflow end 11, the outflow end 12 and the communicating cavity 13 is disposed in the liquid separator, and the distribution structure 20 and the filter screen 30 are disposed in the communicating cavity 13, so that the filter screen 30 can filter the fluid flowing into the distribution structure 20, and thus, the liquid separator and the filter do not need to be separately disposed in the air conditioning system, and are integrated into a whole, the installation space can be compressed as much as possible, and the occupied space can be reduced.

In the present embodiment, the filter screen 30 includes a mounting section 31 and a filter section 32 connected to each other. The shape of the mounting section 31 is matched with the shape of the inner wall of the barrel 10 forming the communication cavity 13 and is attached to the inner wall of the barrel 10. Meanwhile, the diameter of the filter section of the filter segment 32 is gradually reduced along the extension direction of the installation segment 31 to the filter segment 32. Adopt such structure setting, can be convenient for filter screen 30 and barrel 10 cooperation and installation through installation section 31, filter screen 30's fillister structure is formed to filter stage 32 simultaneously, can effectively increase filter area, reinforcing filter effect.

In the present embodiment, the cylinder 10 has a limiting protrusion 14, and the limiting protrusion 14 is located on a side of the mounting section 31 away from the inflow end 11 along the axial direction of the cylinder 10, and the limiting protrusion 14 is in abutting limit with the filtering section 32. The arrangement of the limiting protrusions 14 is helpful for the cylinder 10 to abut against the filter screen 30, and limits the filter screen 30 along the direction from the inflow end 11 to the outflow end 12, so that the filter screen 30 can be prevented from moving in the working process, and the reliability and stability of the dispenser assembly can be enhanced.

In the present embodiment, the limiting protrusion 14 is formed by being recessed from the side wall of the cylinder 10 into the communication cavity 13 along the radial direction of the cylinder 10. By adopting the arrangement, the limiting structure does not need to be arranged independently, and only the barrel 10 needs to be processed and formed, so that the installation difficulty is reduced, the manufacturing cost is saved, and meanwhile, because of the structure of the limiting bulge 14 and the barrel 10, the hidden trouble of stability reduction caused by the independent arrangement of the limiting structure can be avoided.

In this embodiment, the barrel 10 further comprises a flared section 15 and a dispensing section 16 connected to each other, wherein an inflow end 11 is formed at an end of the flared section 15 remote from the dispensing section 16, and an outflow end 12 is formed at an end of the dispensing section 16 remote from the flared section 15. The mounting section 31 of the filter sieve 30 is mounted at the liquid separation section 16. Along the barrel 10 axial from inflow end 11 to the direction of outflow end 12, the cross-sectional diameter of flaring section 15 increases gradually, and the installation section 31 of filter screen 30 is located between spacing arch 14 and the flaring section 15, and installation section 31 can carry out spacing to the direction of filter screen 30 from outflow end 12 to inflow end 11 with flaring section 15 butt, and it is spacing that filter screen 30 can carry out the axial through spacing arch 14 and flaring section 15 promptly. Thus, as another embodiment, a clearance fit between the mounting section 31 and the inner wall of the cylinder 10 may be provided. In addition, with the arrangement, the fluid pressure in the liquid separation section 16 is smaller than the fluid pressure in the flaring section 15, so that the fluid impact force on the filter screen 30 is reduced, meanwhile, the filter screen 30 with a sufficient area is convenient to arrange for full filtration, and the filtering effect is improved.

An embodiment of the utility model provides a heat exchanger assembly in two, include: the knockout that provides in heat exchanger and the embodiment one, the knockout is connected with the heat exchanger to this can accomplish before the fluid gets into the heat exchanger and divide liquid and filter, because the existence of turn-ups pore structure, also can accelerate the fluid before getting into the heat exchanger simultaneously, promotes the heat exchange efficiency of heat exchanger.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, so that the scope of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A dispenser, comprising:

a barrel (10), the barrel (10) having an inflow end (11), an outflow end (12), and a communication chamber (13) communicating with both the inflow end (11) and the outflow end (12);

-a distribution structure (20) mounted inside said communication chamber (13);

the distribution structure (20) comprises a flow inlet plate (21) and a flow dividing plate (22) which are arranged at intervals, a liquid dividing cavity (23) is arranged between the flow inlet plate (21) and the flow dividing plate (22), a flow inlet (211) is arranged on the flow inlet plate (21), the flow dividing plate (22) is arranged on one side, away from the inflow end (11), of the flow inlet plate (21), the flow dividing plate (22) is arranged at the outflow end (12), a liquid dividing outlet (221) is arranged on the flow dividing plate (22), and the flow inlet (211) and the liquid dividing outlet (221) are both communicated with the liquid dividing cavity (23).

2. The liquid distributor according to claim 1, characterized in that the inflow plate (21), the splitter plate (22) and the inner wall of the cylinder (10) enclose the liquid distribution chamber (23);

or, the distribution structure (20) further comprises a connecting plate (24), the connecting plate (24) is located between the inflow plate (21) and the flow dividing plate (22), and the inflow plate (21), the flow dividing plate (22) and the connecting plate (24) enclose the liquid dividing cavity (23).

3. The liquid distributor according to claim 2, wherein the inlet (211) is a circular hole, the inlet plate (21) is a circular plate, and the center of the inlet (211) coincides with the center of the inlet plate (21);

the liquid separation outlets (221) are multiple, the liquid separation outlets (221) are arranged around the symmetry axis of the liquid inlet (211) in space, and the liquid separation outlets (221) are arranged at equal intervals along the circumferential direction.

4. The dispenser according to claim 3,

the flow inlet (211) is a first flanging opening, a flanging of the first flanging opening extends along the direction from the flow inlet (211) to the liquid separation outlet (221), and the flanging of the first flanging opening is arranged on one side, close to the splitter plate (22), of the flow inlet plate (21); and/or the presence of a gas in the gas,

the liquid separation outlet (221) is a second flanging port, a flanging of the second flanging port extends along the direction from the flow inlet (211) to the liquid separation outlet (221), and the flanging of the second flanging port is arranged on one side, away from the flow inlet plate (21), of the flow dividing plate (22).

5. The liquid distributor according to claim 4, wherein the distance between the flow inlet plate (21) and the flow dividing plate (22) is L1, the length of the first flanging opening is L2, and L2/L1 is more than or equal to 1/5 and less than or equal to 1/3.

6. The liquid distributor according to claim 3 or 4,

the radius of the inflow port (211) is R1, the radius of the liquid separation outlet (221) is R2, wherein R2/R1 is more than or equal to 1/4 and less than or equal to 1/2; and/or the presence of a gas in the gas,

the radial distance between the inflow port (211) and the liquid separation outlet (221) is d, wherein d/R1 is more than or equal to 1/2 and less than or equal to 2/3.

7. The dispenser according to claim 1, further comprising:

a filter screen (30) mounted in the communication chamber (13), the filter screen (30) being disposed between the inflow end (11) and the distribution structure (20).

8. The liquid distributor according to claim 7, characterized in that the filter screen (30) comprises a mounting section (31) and a filtering section (32) which are connected with each other, the mounting section (31) is mounted in the communicating cavity (13), the mounting section has a shape which is matched with the shape of the inner wall of the cylinder (10), and the mounting section (31) is attached to the inner wall of the cylinder (10); the filter section of the filter segment (32) is gradually reduced along the extension direction of the mounting segment (31) to the filter segment (32);

the barrel (10) is provided with a limiting protrusion (14), the limiting protrusion (14) is formed by the fact that the side wall of the barrel (10) is sunken in the communicating cavity (13), and the limiting protrusion (14) is abutted and limited with the filtering section (32).

9. The liquid distributor according to claim 8, characterized in that the barrel (10) comprises a flared section (15) and a liquid distribution section (16) which are connected to each other, wherein the end of the flared section (15) remote from the liquid distribution section (16) forms the inflow end (11), and the end of the liquid distribution section (16) remote from the flared section (15) forms the outflow end (12);

wherein the mounting section (31) and the dispensing structure (20) are both mounted at the dispensing section (16).

10. A heat exchanger assembly, comprising:

a heat exchanger;

the dispenser of any one of claims 1 to 9, which is connected to the heat exchanger.