WO2022174723A1

WO2022174723A1 - Liquid dispenser

Info

Publication number: WO2022174723A1
Application number: PCT/CN2022/073562
Authority: WO
Inventors: 冯忠波; 陈其功; 张克鹏
Original assignee: 浙江盾安人工环境股份有限公司
Priority date: 2021-02-20
Filing date: 2022-01-24
Publication date: 2022-08-25
Also published as: CN114963483B; JP2024507051A; KR20230119699A; CN114963483A

Abstract

The present invention provides a liquid dispenser. The liquid dispenser comprises: a liquid dispensing pipe, the liquid dispensing pipe being provided with a liquid inlet, a liquid dispensing chamber, and multiple liquid outlets, the liquid inlet and the multiple liquid outlets being communicated with the liquid dispensing chamber, the liquid inlet being located at one end of the liquid dispensing pipe, and the multiple liquid outlets being located at the other end of the liquid dispensing pipe; and impellers that are disposed in the liquid dispensing chamber, each impeller comprising a hub and blades provided on the hub, and a cross section of the blades perpendicular to an extension direction of the blades being elliptical. By means of the technical solution provided in the present application, the problem in the prior art that impellers are high in cost can be solved.

Description

dispenser

This application claims the priority of the patent application with the application number 202110192112.1 and the invention name of "dispenser", which was submitted to the State Intellectual Property Office of China on February 20, 2021.

technical field

The present invention relates to the technical field of liquid separators, in particular, to a liquid separator.

Background technique

The liquid separator is used to evenly divide the fluid in the main pipeline into multiple pipelines. It is mainly used in the air-conditioning pipeline. After fully mixing the gas-liquid two-phase refrigerant, the liquid is supplied to the evaporator evenly and in the same amount. However, the existing liquid separator has poor liquid separation effect, which makes the flow in each branch pipeline unequal, thereby affecting the normal use of the air conditioning system.

In the prior art, in order to solve the problem of liquid separation, an impeller is arranged in the liquid separator, and the liquid flowing into the liquid separator is redistributed by the impeller to improve the liquid separation effect. However, the structure of the blades on the existing impeller is complicated, and the design cost and manufacturing cost are relatively high.

SUMMARY OF THE INVENTION

The present invention provides a liquid separator to solve the problem of high cost of the impeller in the prior art.

The invention provides a liquid separator. The liquid separator comprises: a liquid separator, the liquid separator has a liquid inlet, a liquid separator chamber and a plurality of liquid outlets, and the liquid inlet and the plurality of liquid outlets are all related to the liquid separator. The cavity is connected, the liquid inlet is located at one end of the liquid distribution pipe, and the multiple liquid outlets are located at the other end of the liquid distribution pipe; the impeller is arranged in the liquid distribution cavity, and the impeller includes a hub and a blade arranged on the hub, and the blades are perpendicular to the The cross-sectional shape in the extending direction of the blade is elliptical.

Further, the length ratio of the major axis to the minor axis of the elliptical section of the blade is between 4:1 and 10:1.

Further, the included angle between the blade and the axis of the hub is between 30° and 60°.

Further, the blade and the hub are integrally formed.

Further, the impeller is made of plastic.

Further, the blade and the hub are arranged separately, the side wall of the hub has an installation groove, and one end of the blade is glued or welded in the installation groove.

Further, the liquid separator has a plurality of impellers, and the plurality of impellers are stacked in the liquid separation chamber.

Further, the arrangement direction of blades of at least one impeller is different from the arrangement direction of blades of other impellers.

Further, two adjacent impellers are bonded, welded or screwed together.

Further, the hub has a first end and a second end oppositely arranged, the first end is arranged towards the liquid inlet, the size of the first end gradually increases from the first end to the direction of the second end, and the second end is connected to the liquid separator. Bonded, welded or screwed.

Applying the technical solution of the present invention, the liquid separator includes a liquid separator and an impeller, the impeller includes a hub and a blade arranged on the hub, and the section of the blade is set to an elliptical shape, which can simplify the structure of the blade and facilitate design and manufacture. In this way, the fluid in the liquid separation pipe can be separated through the impeller to ensure the liquid separation effect, and the design and manufacturing cost of the blade can be reduced.

Description of drawings

The accompanying drawings forming a part of the present application are used to provide further understanding of the present invention, and the exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

1 shows a schematic structural diagram of a liquid separator provided according to Embodiment 1 of the present invention;

Fig. 2 shows the structural schematic diagram of the impeller in Fig. 1;

Figure 3 shows a cross-sectional view of A-A in Figure 2;

Figure 4 shows a perspective view of the impeller in Figure 1;

5 shows a schematic structural diagram of a liquid separator provided according to Embodiment 2 of the present invention;

FIG. 6 shows a schematic structural diagram of a liquid separator provided according to Embodiment 3 of the present invention.

Wherein, the above-mentioned drawings include the following reference signs:

10. Dispensing pipe; 11. Liquid inlet; 12. Liquid dispensing chamber; 13. Liquid outlet;

20. Impeller; 21. Hub; 211. Installation groove; 22. Blade.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1 to FIG. 4 , Embodiment 1 of the present application provides a liquid separator, and the liquid separator includes: a liquid separator 10 and an impeller 20 . The liquid distribution pipe 10 has a liquid inlet 11 , a liquid distribution chamber 12 and a plurality of liquid outlets 13 . The liquid inlet 11 and the plurality of liquid outlets 13 are both connected to the liquid distribution chamber 12 , and the liquid inlet 11 is located in the liquid distribution chamber 12 . At one end of the pipe 10 , a plurality of liquid outlets 13 are located at the other end of the liquid distribution pipe 10 . The impeller 20 is disposed in the liquid separation chamber 12 . The impeller 20 includes a hub 21 and blades 22 arranged on the hub 21 . The cross-sectional shape of the blades 22 perpendicular to the extending direction of the blades 22 is elliptical.

Through the technical solution provided in the present application, the cross section of the blade 22 is set to an oval shape, which can simplify the structure of the blade 22 and facilitate design and manufacture. In this way, the fluid in the liquid separation pipe 10 can be separated through the impeller 20 to ensure the liquid separation effect, and the design and manufacturing cost of the blade 22 can be reduced.

Wherein, the impeller 20 may be fixed in the liquid distribution pipe 10 or be rotatably arranged in the liquid distribution pipe 10 . In the present application, the impeller 20 is fixed in the liquid distribution pipe 10 .

Specifically, the ratio of the length of the major axis to the length of the minor axis of the elliptical section of the blade 22 is set between 4:1 and 10:1. This can reduce the pressure drop while ensuring the uniformity of the liquid separation. Specifically, the ratio of the length of the long axis to the length of the short axis may be set to 6:1 or 8:1.

The blades 22 are obliquely arranged on the hub 21, and there is an included angle between the blades 22 and the axis of the hub 21. If the included angle is too large, the pressure drop will increase, and if the included angle is too small, the liquid separation effect will be poor. In the present application, the included angle between the blade 22 and the axis of the hub 21 is set between 30° and 60°. This can not only ensure the liquid separation effect, but also reduce the pressure drop as much as possible. In this embodiment, the included angle between the blade 22 and the axis of the hub 21 is 45°.

In this embodiment, the impeller 20 is provided with a plurality of blades 22, and the number of the blades 22 is not less than 3. In this application, the number of the blades 22 on the impeller 20 is greater than or equal to 6.

Wherein, the blade 22 and the hub 21 may be provided separately or integrally formed. The blades 22 and the hub 21 are provided in an integral molding structure, which is convenient for installation.

Specifically, the impeller 20 is made of plastic. The impeller 20 is made of plastic material, which has a low manufacturing cost and can reduce the overall weight of the device. Specifically, the impeller 20 may be made of polyphenylene sulfide, polyphenylene ether, polyamide, polycarbonate, thermoplastic resin or polyoxymethylene material.

In this embodiment, the blades 22 and the hub 21 are provided as separate bodies, and their structures are simple to manufacture separately, which can reduce the manufacturing cost of the mold. In addition, there is an installation groove 211 on the side wall of the hub 21 , and one end of the blade 22 is glued or welded in the installation groove 211 . Specifically, the shape of the installation groove 211 is adapted to the shape of the end of the blade 22 . The blades 22 and the hub 21 are connected by means of bonding or welding, which can ensure the connection strength of the two while facilitating processing.

Among them, the hub 21 has a first end and a second end oppositely arranged, the first end is arranged towards the liquid inlet 11, and the size of the first end gradually increases from the first end to the second end, which can reduce the impact of fluid on the hub. 21 impact, and can distribute the fluid evenly around. The second end of the hub 21 is bonded, welded or screwed to the liquid distribution pipe 10 . The hub 21 is connected with the liquid distribution pipe 10 in the above-mentioned manner, which can facilitate the connection between the two, and is arranged in the liquid distribution pipe to rotate relative to the impeller. The present application has a simple structure and low cost.

As shown in FIG. 5 , the second embodiment of the present application provides a liquid separator. The difference between the liquid separator and the first embodiment is that the liquid separator has a plurality of impellers 20 , and the plurality of impellers 20 are stacked on the liquid separator. in cavity 12. Through the above structure, the liquid separating effect of the liquid separator can be improved, so that the fluid can be evenly distributed to each liquid outlet 13 .

Wherein, the arrangement directions of the blades 22 of the plurality of impellers 20 may be set to be the same, or may be set to be different. The arrangement direction of the blades 22 of at least one impeller 20 is different from the arrangement direction of the blades 22 of the other impellers 20, so that the uniformity of the liquid separation of the device can be further improved. In this embodiment, two impellers 20 are arranged in the liquid separator, wherein the blades 22 of one impeller 20 are arranged clockwise, and the blades 22 of the other impeller 20 are arranged counterclockwise.

Wherein, two adjacent impellers 20 may be connected by bonding, welding or screw connection. In this embodiment, two adjacent impellers 20 are connected by bonding.

As shown in FIG. 6 , the third embodiment of the present application provides a liquid separator. The difference between the liquid separator and the second embodiment is that in the present application, two adjacent impellers 20 are connected by a threaded connection. The end of the hub of the impeller 20 passes through the hub of the second impeller 20 and is threadedly connected to the hub of the second impeller 20 .

With the liquid separator provided in the present application, the blade is set to an elliptical section, which can simplify the structure and reduce the manufacturing cost while ensuring the liquid separation effect. By setting the impeller material as engineering plastics, the impeller can be made by injection molding process, which reduces the molding difficulty and processing cost, reduces the weight of the impeller parts, and has higher mechanical strength and chemical stability in the refrigerant system due to the high mechanical lightness and chemical stability of engineering plastics. reliability and scope of application.

It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and/or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and/or combinations thereof.

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 invention unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of various parts shown in the accompanying drawings are not drawn in an actual proportional relationship. Techniques, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the authorized description. In all examples shown and discussed herein, any specific value should be construed as illustrative only and not as limiting. Accordingly, other examples of exemplary embodiments may have different values. It should be noted that like numerals and letters refer to like items in the following figures, so once an item is defined in one figure, it does not require further discussion in subsequent figures.

In the description of the present invention, it should be understood that the orientations indicated by orientation words such as "front, rear, top, bottom, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. Or the positional relationship is usually based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and these orientation words do not indicate or imply the indicated device or element unless otherwise stated. It must have a specific orientation or be constructed and operated in a specific orientation, so it cannot be construed as a limitation on the protection scope of the present invention; the orientation words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

For ease of description, spatially relative terms, such as "on", "over", "on the surface", "above", etc., may be used herein to describe what is shown in the figures. The spatial positional relationship of one device or feature shown to other devices or features. It should be understood that 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 the device in the figures is turned over, elements described as "above" or "over" other devices or features would then be oriented "below" or "over" the other devices or features under other devices or constructions". Thus, the exemplary term "above" can encompass both an orientation of "above" and "below." The device may also be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptions used herein interpreted accordingly.

In addition, it should be noted that the use of words such as "first" and "second" to define components is only for the convenience of distinguishing corresponding components. Unless otherwise stated, the above words have no special meaning and therefore cannot be understood to limit the scope of protection of the present invention.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

A liquid separator, characterized in that the liquid separator comprises:

A liquid distribution pipe (10), the liquid distribution pipe (10) has a liquid inlet (11), a liquid distribution cavity (12) and a plurality of liquid outlets (13), the liquid inlet (11) and a plurality of liquid outlets (13) The liquid outlets (13) are all communicated with the liquid separation chamber (12), the liquid inlet (11) is located at one end of the liquid separation pipe (10), and a plurality of the liquid outlets (13) at the other end of the dispensing tube (10);

The impeller (20) is arranged in the liquid separation chamber (12), the impeller (20) includes a hub (21) and blades (22) arranged on the hub (21), the blades (22) The cross-sectional shape perpendicular to the extending direction of the blade (22) is an ellipse.
The dispenser according to claim 1, characterized in that, the ratio of the length of the long axis to the short axis of the elliptical section of the blade (22) is between 4:1 and 10:1.
The dispenser according to claim 1, characterized in that the included angle between the vane (22) and the axis of the hub (21) is between 30° and 60°.
The liquid separator according to claim 1, characterized in that, the blade (22) and the hub (21) are integrally formed.
The dispenser according to claim 1, wherein the impeller (20) is made of plastic.
The liquid separator according to claim 5, characterized in that the vanes (22) and the hub (21) are provided separately, and the sidewall of the hub (21) has an installation groove (211), and the One end of the blade (22) is glued or welded in the installation groove (211).
The liquid separator according to claim 1, characterized in that, the liquid separator has a plurality of the impellers (20), and the plurality of the impellers (20) are stacked in the liquid separation chamber (12) .
The liquid separator according to claim 7, characterized in that the arrangement direction of the blades (22) of at least one of the impellers (20) is different from the arrangement direction of the blades (22) of the other impellers (20).
The liquid separator according to claim 7, characterized in that, two adjacent impellers (20) are bonded, welded or screwed together.
The dispenser according to claim 1, characterized in that, the hub (21) has a first end and a second end arranged oppositely, and the first end is arranged toward the liquid inlet (11), so The size of the first end gradually increases from the first end to the second end, and the second end is connected with the liquid distribution pipe (10) by bonding, welding or screwing.