CN215766688U

CN215766688U - Connecting pipe and heat exchanger with same

Info

Publication number: CN215766688U
Application number: CN202121194724.6U
Authority: CN
Inventors: 魏文建; 梁新宇
Original assignee: Zhejiang Dunan Thermal Technology Co Ltd
Current assignee: Zhejiang Dunan Thermal Technology Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-02-08
Anticipated expiration: 2031-05-31
Also published as: WO2022253205A1; EP4354072A1; KR20240010033A

Abstract

The utility model provides a connecting pipe and a heat exchanger with the same, wherein the connecting pipe is used for being connected with a flat pipe and comprises: the U-shaped pipe structure comprises two connecting sections and two bending sections, wherein the two connecting sections are respectively arranged at two ends of the bending section, the two connecting sections are connected with the bending section to form the U-shaped pipe structure, and one end of each connecting section, which is far away from the bending section, is provided with a connecting port; wherein, the connecting port is of a flat port structure. Through the technical scheme provided by the utility model, the technical problem that the manufacturing process of the flat pipe in the prior art is complex can be solved.

Description

Connecting pipe and heat exchanger with same

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a connecting pipe and a heat exchanger with the same.

Background

At present, flat pipes of a staggered-layer double-row micro-channel heat exchanger in the prior art comprise two rows of flat pipes which are arranged in a staggered manner, namely, the flat pipes are arranged at intervals of a front row of flat pipes and a rear row of flat pipes, the front row of flat pipes and the rear row of flat pipes are not on the same plane, and a certain height exists.

However, the staggered double-row heat exchanger in the prior art usually adopts two independent core structures which are connected by bending sections to form a complete flat tube. Therefore, the manufacturing process of the flat pipe is complex, and the production and manufacturing cost of the flat pipe is not reduced.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a connecting pipe and a heat exchanger with the same, and aims to solve the technical problem that a manufacturing process of a flat pipe in the prior art is complex.

In order to achieve the above object, the present invention provides a connection pipe for connecting with a flat pipe, the connection pipe comprising: the U-shaped pipe structure comprises two connecting sections and two bending sections, wherein the two connecting sections are respectively arranged at two ends of the bending section, the two connecting sections are connected with the bending section to form the U-shaped pipe structure, and one end of each connecting section, which is far away from the bending section, is provided with a connecting port; wherein, the connecting port is of a flat port structure.

Further, the section of bending is the pipe structure, and the linkage segment includes transition area and flat tub of district, and the one end that transition area and the section of bending are connected is the round mouth, and the one end that transition area and flat tub of district are connected is flat mouthful.

Further, the link is still including connecting the turn-ups, connects the turn-ups setting and keeps away from the one end in transition district at flat tub district.

Furthermore, the connecting flanging is turned over towards the outside of the pipe of the connecting pipe.

Furthermore, the two connecting sections are arranged at intervals, and the projection of one connecting section on the central plane of the other connecting section is arranged in a staggered manner with the central plane of the other connecting section.

Furthermore, the longitudinal distance between the two connecting sections is H1, and H1 is more than 5mm and less than or equal to 15 mm; and/or the transverse distance between the two connecting sections is W, wherein W is more than 12mm and less than or equal to 45 mm.

Furthermore, the two connecting sections are arranged at intervals, and the projection of one connecting section on the central plane of the other connecting section is superposed with the central plane of the other connecting section.

Furthermore, the longitudinal distance between the two connecting sections is H2, and H2 is more than 5mm and less than or equal to 15 mm.

Further, the length of the bending section is L1L1 is more than or equal to 15mm and less than or equal to 35 mm; and/or the length of the connecting section is L2, L2 is more than 0mm and less than or equal to 8 mm; and/or the width of the connecting port is d, wherein d is more than or equal to 5mm and less than or equal to 30 mm; and/or the height of the connecting port is h, wherein h is more than or equal to 1.3mm and less than or equal to 4.5 mm; and/or the diameter of the bending section is

According to another aspect of the present invention, there is provided a heat exchanger including: the flat tubes are arranged at intervals; and the connecting pipe is the connecting pipe provided by the above, and the connecting pipe is arranged between two adjacent flat pipes so that the two adjacent flat pipes are communicated through the connecting pipe.

By applying the technical scheme of the utility model, the connecting pipe is arranged between the two adjacent flat pipes, so that the two straight flat pipes can be conveniently connected, a bent heat exchange pipe group structure can be conveniently formed, and the manufacturing process of the bent flat pipes is simplified. Therefore, the technical problem that the manufacturing process of the flat pipe in the prior art is complex can be solved through the technical scheme provided by the utility model.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 shows a schematic structural view of a connecting stub according to an embodiment of the utility model;

FIG. 2 shows a front view of the structure of FIG. 1;

FIG. 3 shows a top view of the structure of FIG. 1;

FIG. 4 shows a left side view of the structure of FIG. 1;

fig. 5 shows a schematic structural view of a connecting stub according to a further embodiment of the utility model;

FIG. 6 shows a front view of the structure of FIG. 5;

FIG. 7 shows a top view of the structure of FIG. 5;

FIG. 8 shows a left side view of the structure of FIG. 5;

FIG. 9 is a schematic diagram of a heat exchanger provided by an embodiment of the present invention;

fig. 10 shows an enlarged view at a in fig. 9.

Wherein the figures include the following reference numerals:

10. connecting a connecting pipe; 11. a connecting section; 111. a transition zone; 112. flat tube area; 113. connecting the flanging; 12. bending sections; 20. and (4) flat tubes.

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 embodiments with reference to the attached drawings.

As shown in fig. 1 to 8, an embodiment of the present invention provides a connecting pipe 10, where the connecting pipe 10 is used to connect with a flat pipe 20, and the connecting pipe 10 includes two connecting sections 11 and two bending sections 12, where the two connecting sections 11 are respectively disposed at two ends of the bending section 12, the two connecting sections 11 and the bending section 12 are connected to form a U-shaped pipe structure, and a connecting port is disposed at one end of the connecting section 11 away from the bending section 12; wherein, the connecting port is of a flat port structure.

By adopting the structure, the connecting pipe 10 structure is arranged, and the connecting pipe 10 is arranged between the two adjacent flat pipes 20, so that the two straight flat pipes 20 can be conveniently connected, a bent heat exchange pipe group structure is conveniently formed, and the manufacturing process of the bent flat pipes 20 is simplified.

Specifically, the section 12 of bending in this embodiment is the pipe structure, and linkage segment 11 includes transition region 111 and flat tub of district 112, and the one end that transition region 111 and section 12 of bending are connected is the round mouth, and the one end that transition region 111 and flat tub of district 112 are connected is flat mouthful. By adopting the structure, smooth transition can be facilitated by arranging the transition region 111 structure, so that the strength of the whole structure is improved. Meanwhile, the production, manufacturing and molding can be facilitated, so that an integrally molded structure is formed.

In this embodiment, the connection end further includes a connection flange 113, and the connection flange 113 is disposed at an end of the flat tube region 112 far away from the transition region 111. With such a structural arrangement, connection by connection turnover can be facilitated.

Specifically, the connecting flange 113 in this embodiment is folded toward the outside of the tube of the connecting tube 10, so as to be inserted outside the flat tube 20, and is convenient to disassemble and assemble.

As shown in fig. 1 to 4, in one embodiment, two connecting segments 11 are spaced apart, and the projection of one connecting segment 11 on the central plane of the other connecting segment 11 is offset from the central plane of the other connecting segment 11. The connecting pipe 10 in this embodiment is used to connect different rows of flat pipes 20, so as to connect different rows of flat pipes 20.

Specifically, the longitudinal distance between the two connecting sections 11 can be H1, and H1 is more than 5mm and less than or equal to 15 mm. Or the transverse distance between the two connecting sections 11 is W, and W is more than 12mm and less than or equal to 45 mm. Or the longitudinal distance between the two connecting sections 11 is H1, and H1 is more than 5mm and less than or equal to 15 mm; the transverse distance between the two connecting sections 11 is W, and W is more than 12mm and less than or equal to 45 mm.

Preferably, the longitudinal distance between the two connecting sections 11 in the embodiment is H1, and H1 is more than 5mm and less than or equal to 15 mm; the transverse distance between the two connecting sections 11 is W, and W is more than 12mm and less than or equal to 45 mm. By adopting the structure, the heat exchange effect can be improved as much as possible on the basis of improving the structural compactness of the flat pipe 20 of the heat exchanger, and the heat loss is reduced.

In another embodiment, as shown in fig. 5 to 8, two connecting segments 11 are spaced apart, and the projection of one connecting segment 11 onto the central plane of the other connecting segment 11 coincides with the central plane of the other connecting segment 11. Connecting pipe 10 in this embodiment is used for connecting two adjacent flat pipes 20 in a plurality of flat pipes 20 of the same row to it all communicates the setting to make a plurality of flat pipes 20 of the same row.

Specifically, the longitudinal distance between the two connecting sections 11 in the embodiment is H2, and H2 is more than 5mm and less than or equal to 15 mm. By adopting the structure, the heat exchange effect can be improved as much as possible on the basis of improving the structural compactness of the flat pipe 20 of the heat exchanger, and the heat loss is reduced.

In all the above embodiments, the length of the bending section 12 is L1, L1 is equal to or more than 15mm and equal to or more than 35 mm; and/or the length of the connecting section 11 is L2, L1 is more than 0mm and less than or equal to 8 mm; and/or the width of the connecting port is d, wherein d is more than or equal to 5mm and less than or equal to 30 mm; and/or the height of the connecting port is h, wherein h is more than or equal to 1.3mm and less than or equal to 4.5 mm; and/or the diameter of the bending section 12 is

Preferably, the length of the bending section 12 in the embodiment is L1, and L1 is more than or equal to 15mm and less than or equal to 35 mm; the length of the connecting section 11 is L2, L2 is more than 0mm and less than or equal to 8 mm; the width of the connecting port is d, and d is more than or equal to 5mm and less than or equal to 30 mm; the height of the connecting port is h, and h is more than or equal to 1.3mm and less than or equal to 4.5 mm; the diameter of the bending section 12 is

By adopting the structure, the overall layout compactness of the structure can be optimized conveniently, the heat exchange effect is improved, and the heat loss is reduced.

The connecting pipe 10 in this embodiment may be implemented by bending and flaring a circular pipe. The connection pipe 10 in this embodiment may be made of aluminum material, composite aluminum material, or copper material. The connecting pipe 10 is suitable for connecting the flat pipes 20, simple in implementation process, high in finished product precision and suitable for staggered-layer double-row heat exchangers.

As shown in fig. 9 and 10, according to another embodiment of the present invention, a heat exchanger is provided, which includes a plurality of flat tubes 20 and a connecting pipe 10, where the plurality of flat tubes 20 are arranged at intervals. Connecting pipe 10 is connecting pipe 10 provided in the above embodiment, and connecting pipe 10 is provided between two adjacent flat pipes 20, so that two adjacent flat pipes 20 are communicated through connecting pipe 10.

The connection pipe 10 in this embodiment may be welded to the flat pipe 20 to implement a flow path design of the heat exchanger.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects: the realization process is simple, and the finished product precision is high.

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 those 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, further discussion thereof is not required 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.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated 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 term "above … …" can include both an orientation of "above … …" and "below … …". 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, and therefore, the scope of protection 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 connector for connecting to a flat tube, comprising:

the bending device comprises connecting sections (11) and bending sections (12), wherein the number of the connecting sections (11) is two, the two connecting sections (11) are respectively arranged at two ends of the bending sections (12), the two connecting sections (11) are connected with the bending sections (12) to form a U-shaped pipe structure, and a connecting port is arranged at one end, far away from the bending sections (12), of each connecting section (11);

wherein, the connecting port is of a flat port structure.

2. The connecting pipe according to claim 1, wherein the bending section (12) is a circular pipe structure, the connecting section (11) comprises a transition region (111) and a flat pipe region (112), one end of the transition region (111) connected with the bending section (12) is a round mouth, and one end of the transition region (111) connected with the flat pipe region (112) is a flat mouth.

3. A connecting socket according to claim 2, characterised in that the connecting section (11) further comprises a connecting flange (113), the connecting flange (113) being arranged at the end of the flat tube region (112) remote from the transition region (111).

4. Connecting nipple according to claim 3, characterized in that the connecting flange (113) is folded over towards the outside of the pipe of the connecting nipple.

5. Connection stub according to claim 1, characterized in that two connection segments (11) are arranged at a distance from one another, the projection of one connection segment (11) onto the central plane of the other connection segment (11) being arranged offset from the central plane of the other connection segment (11).

6. Connection pipe according to claim 5,

the longitudinal distance between the two connecting sections (11) is H1, and H1 is more than 5mm and less than or equal to 15 mm; and/or the presence of a gas in the gas,

the transverse distance between the two connecting sections (11) is W, and W is more than 12mm and less than or equal to 45 mm.

7. Connection nipple according to claim 1, characterized in that two connection sections (11) are arranged at a distance from each other, the projection of one connection section (11) onto the central plane of the other connection section (11) coinciding with the central plane of the other connection section (11).

8. Connection nipple according to claim 7, characterized in that the longitudinal distance between two connection sections (11) is H2, 5mm < H2 ≦ 15 mm.

9. Connection nipple according to any one of claims 1 to 8,

the length of the bending section (12) is L1, and L1 is more than or equal to 15mm and less than or equal to 35 mm; and/or the presence of a gas in the gas,

the length of the connecting section (11) is L2, and L2 is more than 0mm and less than or equal to 8 mm; and/or the presence of a gas in the gas,

the width of the connecting port is d, and d is more than or equal to 5mm and less than or equal to 30 mm; and/or the presence of a gas in the gas,

the height of the connecting port is h, and h is more than or equal to 1.3mm and less than or equal to 4.5 mm; and/or the presence of a gas in the gas,

the diameter of the bending section (12) is

10. A heat exchanger, characterized in that the heat exchanger comprises:

the flat tubes are arranged at intervals;

the connecting pipe is as claimed in any one of claims 1 to 9, and the connecting pipe is arranged between two adjacent flat pipes so that the two adjacent flat pipes are communicated through the connecting pipe.