WO2022057536A1

WO2022057536A1 - Collecting tube and heat exchanger having same

Info

Publication number: WO2022057536A1
Application number: PCT/CN2021/112368
Authority: WO
Inventors: 魏文建; 梁新宇
Original assignee: 浙江盾安人工环境股份有限公司
Priority date: 2020-09-17
Filing date: 2021-08-12
Publication date: 2022-03-24
Also published as: US20230332835A1; CN213421945U; JP2023539993A

Abstract

The present application provides a collecting tube and a heat exchanger having same. The collecting tube comprises a housing, a plurality of collecting channels are formed on the housing, and the plurality of collecting channels are spaced apart from each other; the housing is further provided with a plurality of connecting portions, and the plurality of connecting portions are spaced apart from each other; the plurality of connecting portions are arranged in one-to-one correspondence to the plurality of collecting channels, each connecting portion is communicated with the corresponding collecting channel, and the connecting portions are adapted to be communicated with heat exchanging flat tubes. The technical problem in the prior art that a dual-channel or multi-channel heat exchanger is complex to install is solved.

Description

Header and heat exchanger having the same

This application claims the priority of the patent application submitted to the State Intellectual Property Office of China on September 17, 2020, the application number is 202022048021.4, and the invention name is "collector and heat exchanger having the same".

technical field

The present application relates to the technical field of microchannel heat exchangers, and in particular, to a header and a heat exchanger having the same.

Background technique

At present, the dual-flow or multi-flow heat exchanger in the prior art can not only realize the energy exchange of the dual-flow or multi-flow, but also maximize the use of the heat-exchange area and improve the heat-exchange efficiency when only one flow is opened. .

However, for a dual-flow heat exchanger, four headers generally need to be installed, and the number of installations is large and the installation process is complicated. For a heat exchanger with multiple flow paths, the number of headers required is more, and the installation process is more complicated.

Utility model content

The main purpose of the present application is to provide a header and a heat exchanger having the same, so as to solve the technical problem of complicated installation of dual-flow or multi-flow heat exchangers in the prior art.

In order to achieve the above purpose, according to an aspect of the present application, a collector is provided, comprising: a casing, a plurality of collecting channels are provided on the casing, and the plurality of collecting channels are arranged at intervals; wherein, the casing is further A plurality of connection parts are provided, and the plurality of connection parts are arranged at intervals; the plurality of connection parts are arranged in a one-to-one correspondence with the plurality of collecting channels, each connecting part is communicated with the corresponding collecting channel, and the connecting parts are used for connecting with the heat exchange flat tubes. Connected.

Further, each connection portion includes a plurality of connection ports, and the plurality of connection ports are arranged at intervals along the extending direction of the housing.

Further, along the extending direction of the housing, the plurality of connection ports of one connection portion are arranged staggered from the plurality of connection ports of the other connection portion.

Further, the housing includes: a first plate body, a plurality of opening grooves are arranged on the first plate body, and the plurality of opening grooves are arranged at intervals; a second plate body, a plurality of connecting parts are arranged on the second plate body, the first plate body is The two plate bodies are arranged on the first plate body, and the second plate body is located at the openings of the plurality of opening grooves, so that the first plate body and the second plate body enclose a plurality of current collecting channels.

Further, the second plate body is a flat plate structure.

Further, the first plate body includes a plurality of arc-shaped plates, and the plurality of arc-shaped plates are connected and arranged.

Further, the casing is an integral molding structure.

Further, the connection port is a bar-shaped structure, and the extension direction of the connection port is perpendicular to the extension direction of the casing.

According to another aspect of the present application, a heat exchanger is provided. The heat exchanger includes: a heat exchange tube assembly; Tube.

Further, the heat exchange tube assembly includes a first heat exchange flat tube, the first heat exchange flat tube includes a first communication section, a main body section and a second communication section that are connected in sequence, and the first communication section is arranged on the first communication section of the main body section. end, and the first communication section is located in the middle of the first end; the second communication section is arranged at the second end of the main body section, and the second communication section is located in the middle of the second end; both the first communication section and the second communication section are used for It communicates with the collecting channel of the collecting pipe.

Further, the header is provided with a first header channel, a second header channel and a third header channel, and the first header channel is arranged between the second header channel and the third header channel; heat exchange The tube assembly further includes: a second flat heat exchange tube and a third flat heat exchange tube, the first flat heat exchange tube communicates with the first collecting channel, the second flat heat exchange tube communicates with the second collecting channel, and the third flat heat exchange tube communicates with the second collecting channel. The hot flat tube communicates with the third collecting channel.

By applying the technical solution of the present application, during installation, it is only necessary to set a collecting channel at both ends of the heat exchange tube assembly to realize dual flow paths or multiple flow paths, which reduces the number of collecting pipes required for the heat exchanger , which simplifies installation steps and facilitates installation. Therefore, through the technical solutions provided in this application, the technical problem of complicated installation of dual-flow or multi-flow heat exchangers in the prior art can be solved.

Description of drawings

The accompanying drawings that form a part of the present application are used to provide further understanding of the present application, and the schematic embodiments and descriptions of the present application are used to explain the present application and do not constitute improper limitations on the present application. In the attached image:

FIG. 1 shows a schematic structural diagram of a header with two header channels provided according to an embodiment of the present application;

FIG. 2 shows an exploded view of a dual-flow heat exchanger with a second flat heat exchange tube with eccentricity on the same side provided according to an embodiment of the present application;

FIG. 3 shows a schematic structural diagram of the second flat heat exchange tube with eccentricity on the same side provided according to an embodiment of the present application;

FIG. 4 shows an exploded view of the dual-flow heat exchanger provided with the second heat exchange flat tubes with different side eccentricity according to an embodiment of the present application;

FIG. 5 shows a schematic structural diagram of the second flat heat exchange tube with different side eccentricity provided according to an embodiment of the present application;

6 shows a schematic structural diagram of a heat exchanger provided according to an embodiment of the present application;

FIG. 7 shows a schematic structural diagram of a heat exchanger with a V-shaped structure provided according to an embodiment of the present application;

FIG. 8 shows a schematic structural diagram of a header with three header channels provided according to an embodiment of the present application;

FIG. 9 shows a schematic structural diagram of a first flat heat exchange tube provided according to an embodiment of the present application;

FIG. 10 shows an exploded view of a three-flow heat exchanger provided with a second flat heat exchange tube with eccentricity on the same side according to an embodiment of the present application;

FIG. 11 shows an exploded view of the three-flow heat exchanger provided with the second heat exchange flat tubes with different side eccentricities according to an embodiment of the present application.

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

10, shell; 11, collecting channel; 12, connecting part; 121, connecting port; 13, first plate body; 14, second plate body; 20, first heat exchange flat tube; 21, first communication section ; 22, the main body section; 23, the second communication section; 30, the second heat exchange flat tube; 40, the third heat exchange flat tube.

detailed description

It should be noted that the embodiments in the present application and the features of the embodiments may be combined with each other in the case of no conflict. The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.

As shown in FIG. 1 to FIG. 11 , Embodiment 1 of the present application provides a header, the header includes a casing 10 , and the casing 10 is provided with a plurality of collecting channels 11 , and the plurality of collecting channels 11 interval settings. Wherein, the housing 10 is further provided with a plurality of connecting parts 12, and the plurality of connecting parts 12 are arranged at intervals. The plurality of connecting portions 12 are provided in a one-to-one correspondence with the plurality of collecting channels 11 , each connecting portion 12 communicates with the corresponding collecting channel 11 , and the connecting portions 12 are used to communicate with the heat exchange flat tubes. Specifically, the multiples in this embodiment include two or more cases. The header in this embodiment is not only applicable to a plate-shaped heat exchanger, but also applicable to a heat exchanger with a V-shaped structure.

With the collecting pipe provided in this embodiment, since the casing 10 is provided with a plurality of collecting channels 11, and each collecting channel 11 is provided with a corresponding connecting portion 12, each connecting portion 12 can be connected to the Corresponding collecting channels 11 communicate with each other. During installation, only one collecting channel 11 is required at both ends of the heat exchange tube assembly to realize dual flow paths or multiple flow paths, which reduces the number of collecting channels required by the heat exchanger. The number of flow tubes simplifies installation steps and facilitates installation. Therefore, through the header provided in this embodiment, the technical problem of complicated installation of the dual-flow or multi-flow heat exchanger in the prior art can be solved.

Specifically, each connection portion 12 in this embodiment includes a plurality of connection ports 121 , and the plurality of connection ports 121 are arranged at intervals along the extending direction of the housing 10 , so as to facilitate the connection between the plurality of connection ports 121 and the plurality of heat exchange tubes. connect.

In this embodiment, along the extending direction of the housing 10 , the plurality of connection ports 121 of one connection portion 12 are arranged staggered from the plurality of connection ports 121 of the other connection portion 12 . By adopting such a structural arrangement, a plurality of heat exchange tubes can be staggered and arranged to avoid mutual interference among the plurality of heat exchange tubes, which is beneficial to the structural layout.

Specifically, the housing 10 in this embodiment includes a first plate body 13 and a second plate body 14 . The first plate body 13 is provided with a plurality of opening grooves, and the plurality of opening grooves are arranged at intervals. The plurality of connecting parts 12 are all arranged on the second plate body 14 , the second plate body 14 is arranged on the first plate body 13 , and the second plate body 14 is located at the openings of the plurality of opening grooves, so that the first plate body 13 and the second plate body 14 to enclose a plurality of collecting channels 11 . With such a structure arrangement, the structure is simple, and the production and manufacture are convenient.

In this embodiment, the second plate body 14 is a flat plate structure. With such a structural arrangement, the connection with the heat exchange tube can be facilitated, the interference of the second plate body 14 with the heat exchange tube can be avoided, and the structural layout is optimized.

Specifically, the first plate body 13 in this embodiment includes a plurality of arc-shaped plates, and the plurality of arc-shaped plates are connected and arranged. With such a structural arrangement, a plurality of arc-shaped opening grooves can be easily formed by a plurality of arc-shaped plates, so as to enclose the current collecting channel 11 . Specifically, when the heat exchanger is a dual-flow heat exchanger, the first plate body 13 includes two arc-shaped plates, that is, the number of arc-shaped plates is consistent with the number of flow paths of the heat exchanger. Specifically, when it is a dual-flow heat exchanger, the header can be a B-type structure, a header can be arranged at one end of the heat exchange tube, and a conventional header pipe structure can be arranged at the other end of the heat exchange tube.

Preferably, the housing 10 in this embodiment is an integral molding structure, which is convenient for production and manufacture.

In this embodiment, the connection port 121 is a bar-shaped structure, and the extension direction of the connection port 121 is perpendicular to the extension direction of the housing 10 . Adopting such a structure arrangement can facilitate the connection of the heat exchange tube and the header, and reduce the height of the connection port 121 as much as possible while ensuring the communication area of the connection between the header and the heat exchange tube, so as to improve the casing. The number of connection ports 121 on the 10 ensures that the casing 10 can be connected with multiple heat exchange tubes.

Another embodiment of the present application provides a heat exchanger, the heat exchanger includes a heat exchange tube assembly and a header, the header is connected to the heat exchange tube assembly, and the header is the header provided above .

Specifically, the heat exchange tube assembly in this embodiment includes a first flat heat exchange tube 20, and the first flat heat exchange tube 20 includes a first communication section 21, a main section 22 and a second communication section 23 that are connected in sequence. A communication section 21 is arranged at the first end of the main body section 22, and the first communication section 21 is located in the middle of the first end; the second communication section 23 is arranged at the second end of the main body section 22, and the second communication section 23 is located at the first end The middle of the two ends; the first communication section 21 and the second communication section 23 are both used for communicating with the collecting channel 11 of the collecting pipe. Using the structure of the first heat exchange flat tube 20 in this embodiment, by optimizing the layout and constriction structure of the first communication section 21 and the second communication section 23, it is possible to prevent the first communication section 21 and the second communication section 23 from interacting with each other. Interference occurs between other structures of the heat exchanger.

In this embodiment, the header is provided with a first header channel, a second header channel and a third header channel, and the first header channel is arranged between the second header channel and the third header channel . The heat exchange tube assembly further includes a second flat heat exchange tube 30 and a third flat heat exchange tube 40, the first flat heat exchange tube 20 communicates with the first collecting channel, and the second flat heat exchange tube 30 communicates with the second collecting channel Communication, the third flat heat exchange tube 40 communicates with the third collecting channel. Specifically, since the plurality of connection ports 121 of one connection part 12 and the plurality of connection ports 121 of the other connection part 12 are staggered, in this way, the first flat heat exchange tube 20 , the second flat heat exchange tube 30 and the third flat heat exchange tube 20 are formed. The flat heat exchange tubes 40 are arranged at intervals along the extending direction of the casing 10 . Specifically, the first flat heat exchange tube 20 in this embodiment is located between the second flat heat exchange tube 30 and the third flat heat exchange tube 40, which is beneficial to optimizing the spatial structure layout. In this embodiment, the second flat heat exchange tube 30 and the third flat heat exchange tube 40 are of the same structure, and both the second flat heat exchange tube 30 and the third flat heat exchange tube 40 adopt an eccentric constriction structure, so as to facilitate the optimization of the structure layout.

Specifically, the first flat heat exchange tube 20 , the second flat heat exchange tube 30 and the third flat heat exchange tube 40 in this embodiment form a flat heat exchange tube group, and the corresponding flat heat exchange tube 20 is The first connection port 121 , the second connection port 121 and the third connection port 121 are arranged at intervals in a stepped shape.

Specifically, both ends of the second flat heat exchange tube 30 in this embodiment are provided with a first eccentric necking structure and a second eccentric necking structure, and both the first eccentric necking structure and the second eccentric necking structure are for connection to the manifold. Wherein, both the first eccentric constriction structure and the second eccentric constriction structure are biased to one side of the second flat heat exchange tube 30 , and the second flat heat exchange tube 30 adopting such a structure is referred to as the eccentric second flat tube 30 on the same side. Two heat exchange flat tubes 30 . Alternatively, the first eccentric constriction structure is inclined to one side of the second flat heat exchange tube 30, and the second eccentric constriction structure is inclined to the other side of the flat heat exchange tube, and the second flat heat exchange tube 30 with such a structure will be used It is called the second heat exchange flat tube 30 with different side eccentricity.

Specifically, when the heat exchanger in this embodiment has a dual-flow structure, the flow directions of the dual-flow structure are different according to the structure of the second flat heat exchange tube 30 used. When the second flat heat exchange tube 30 with eccentricity on the same side is used, the liquid will flow into the same side and flow out from the same side; when the second flat heat exchange tube 30 with eccentricity on the same side is used, the liquid will flow in from one side and flow out from the other side .

When the heat exchanger in this embodiment has a three-channel structure, the flow directions of different circuits of the three-channel structure are different according to the structure of the second flat heat exchange tube 30 used. Specifically, the structures of the second flat heat exchange tube 30 and the third flat heat exchange tube 40 are the same. When the second flat heat exchange tube 30 with eccentricity on the same side is used, the second flat heat exchange tube 30 and the third flat heat exchange tube 30 have the same structure. The liquid in the tube 40 will flow in from the same side and flow out from the same side; when the second flat heat exchange tube 30 with different side eccentricity is used, the liquid in the second flat heat exchange tube 30 and the third flat heat exchange tube 40 will Inflow from one side and outflow from the other side.

From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects: the number of headers is reduced, and the installation process of the heat exchanger is simplified.

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 present application unless specifically stated otherwise. Meanwhile, it should be understood that, for the convenience of description, the dimensions of the various parts shown in the drawings are not drawn according to the actual proportional relationship. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, such techniques, methods, and apparatus 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 this application, it should be understood that the orientations indicated by the 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 application and simplifying the description, and these orientations 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 application; the orientation words "inside and outside" refer to the inside and outside relative to the contour 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 this application.

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

Claims

A header, characterized in that it includes:

a casing (10), a plurality of collecting channels (11) are provided on the casing (10), and the plurality of collecting channels (11) are arranged at intervals;

Wherein, the casing (10) is further provided with a plurality of connecting parts (12), and the plurality of the connecting parts (12) are arranged at intervals; the plurality of the connecting parts (12) and the plurality of the collecting channels (11) are provided in a one-to-one correspondence, each of the connecting portions (12) communicates with the corresponding collecting channels (11), and the connecting portions (12) are used for communicating with the flat heat exchange tubes.
The header according to claim 1, wherein each of the connection parts (12) includes a plurality of connection ports (121), and the plurality of connection ports (121) are located along the casing (10) The extension direction interval setting.
The header according to claim 2, characterized in that, along the extending direction of the casing (10), the plurality of the connection ports (121) of one of the connection parts (12) are connected to the other of the connection ports (121) of the other The plurality of connection ports (121) of the connection part (12) are arranged in a staggered manner.
The header according to claim 1, wherein the casing (10) comprises:

a first plate body (13), the first plate body (13) is provided with a plurality of opening grooves, and the plurality of the opening grooves are arranged at intervals;

A second plate body (14), a plurality of the connecting parts (12) are arranged on the second plate body (14), and the second plate body (14) is arranged on the first plate body (13) ), the second plate body (14) is located at the openings of a plurality of the opening grooves, so that the first plate body (13) and the second plate body (14) enclose a plurality of the Collector channel (11).
The header according to claim 4, wherein the second plate body (14) is a flat plate structure.
The collector according to claim 4, characterized in that, the first plate body (13) comprises a plurality of arc-shaped plates, and the plurality of arc-shaped plates are connected and arranged.
The header according to any one of claims 1 to 6, characterized in that, the casing (10) is an integrally formed structure.
The header according to claim 2, characterized in that, the connection port (121) is a bar-shaped structure, and the extension direction of the connection port (121) is perpendicular to the extension direction of the housing (10).
A heat exchanger, characterized in that the heat exchanger comprises:

heat exchange tube assembly;

A header, the header is connected to the heat exchange tube assembly, and the header is the header described in any one of claims 1 to 8 .
The heat exchanger according to claim 9, wherein the heat exchange tube assembly comprises a first flat heat exchange tube (20), and the first flat heat exchange tube (20) comprises a first a communication section (21), a main body section (22) and a second communication section (23), the first communication section (21) is provided at the first end of the main body section (22), and the first communication section (21) is located in the middle of the first end; the second communication section (23) is arranged at the second end of the main body section (22), and the second communication section (23) is located in the second The middle part of the end; the first communication section (21) and the second communication section (23) are both used for communicating with the collecting channel (11) of the collecting pipe.
The heat exchanger according to claim 10, wherein the header is provided with a first header channel, a second header channel and a third header channel, and the first header channel is provided at between the second header channel and the third header channel; the heat exchange tube assembly further includes: a second flat heat exchange tube (30) and a third flat heat exchange tube (40), the first A flat heat exchange tube (20) communicates with the first collecting channel, the second flat heat exchange tube (30) communicates with the second collecting channel, and the third flat heat exchange tube (40) communicate with the third current collecting channel.