CN212658122U

CN212658122U - Heat exchanger

Info

Publication number: CN212658122U
Application number: CN202021025824.1U
Authority: CN
Inventors: 魏文建; 兰兆忠; 马文勇
Original assignee: Zhejiang Dunan Thermal Technology Co Ltd
Current assignee: Zhejiang Dunan Thermal Technology Co Ltd
Priority date: 2020-06-05
Filing date: 2020-06-05
Publication date: 2021-03-05
Anticipated expiration: 2030-06-05

Abstract

The utility model provides a heat exchanger, the heat exchanger includes the first pressure manifold, the first pressure manifold includes a plurality of section pipes connected in order, the section pipe includes first pipeline section and second pipeline section of interconnect, the external diameter of first pipeline section is less than the internal diameter of second pipeline section, in two adjacent section pipes, the first pipeline section of a section pipe is inserted and is established in the second pipeline section of another section pipe; a plurality of festival pipes of first pressure manifold include first festival pipe and second festival pipe, and first festival pipe includes first pipeline section and second pipeline section, and the second festival pipe includes first pipeline section, second pipeline section and blocks up the open-ended end plate of first pipeline section, and the end plate is used for blockking the refrigerant, and the quantity and the connection order of first festival pipe and second festival pipe are optionally set up. By adopting the scheme, the number and the connection sequence of the first section pipe and the second section pipe can be selectively arranged, so that the first collecting pipes in different forms can be conveniently assembled to meet the design requirements of different processes, the universality of the heat exchanger is improved, and the design and the production are convenient.

Description

Heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field particularly, relates to a heat exchanger.

Background

The collecting pipe structure in the existing heat exchanger is single, and when the heat exchanger is designed, in order to meet different use requirements, the heat exchanger needs to be provided with different flows (channels of refrigerant fluid), so that the structures such as the collecting pipe and the like need to be specially and independently designed. Therefore, the existing heat exchanger has poor universality and cannot be quickly designed and produced when different requirements are met.

SUMMERY OF THE UTILITY MODEL

The utility model provides a heat exchanger to improve current heat exchanger's commonality, be convenient for design and production.

In order to achieve the above object, the present invention provides a heat exchanger, which includes a first collecting pipe, wherein the first collecting pipe includes a plurality of sequentially connected pipe joints, each pipe joint includes a first pipe section and a second pipe section, the outer diameter of the first pipe section is smaller than the inner diameter of the second pipe section, and in two adjacent pipe joints, the first pipe section of one pipe joint is inserted into the second pipe section of another pipe joint; the plurality of the pipe joints of the first collecting pipe comprise a first pipe joint and a second pipe joint, wherein the first pipe joint comprises the first pipe section and the second pipe section, the second pipe joint comprises the first pipe section, the second pipe section and an end plate for blocking an opening of the first pipe section, and the number and the connection sequence of the first pipe joint and the second pipe joint can be set selectively.

Furthermore, a plurality of the pipe joints of the first collecting pipe further comprise a third pipe joint, the third pipe joint comprises the first pipe section, the second pipe section and an annular plate arranged on the first pipe section, and the inner diameter of the annular plate is smaller than that of the first pipe section.

Further, the heat exchanger further comprises a second collecting pipe, the second collecting pipe comprises a plurality of section pipes which are connected in sequence, and the plurality of section pipes of the second collecting pipe comprise the first section pipes and the second section pipes.

Further, any one of the tube joints in the first collecting pipe is one of the first tube joint, the second tube joint and the third tube joint; any one of the tube joints in the second collecting pipe is one of the first tube joint and the second tube joint.

Furthermore, the pipe sections at the two ends of the first collecting pipe are the third pipe sections, and the pipe sections at the two ends of the second collecting pipe are the second pipe sections.

Further, all be provided with the tube seat on first festival pipe and the second festival pipe, the heat exchanger still includes: the heat exchange tubes are arranged, one ends of the heat exchange tubes are inserted into the tube grooves in the first collecting tube in a one-to-one correspondence mode, and the other ends of the heat exchange tubes are inserted into the tube grooves in the second collecting tube in a one-to-one correspondence mode.

Furthermore, the heat exchanger also comprises a plurality of layers of fins, and a layer of fins is arranged between every two adjacent heat exchange tubes.

Further, the tube sections at both ends of the first collecting pipe are the third tube section, and the heat exchanger further comprises: the input pipe is connected with the third section pipe at one end of the first collecting pipe; and the output pipe is connected with the third joint pipe at the other end of the first collecting pipe.

Further, the joint pipe further comprises: and one end of the reducing pipe section is connected with one end of the first pipe section, and the other end of the reducing pipe section is connected with the second pipe section.

Further, the joint pipe is of an integrally formed structure.

The technical scheme of the utility model is applied, a heat exchanger is provided, the heat exchanger comprises a first collecting pipe, the first collecting pipe comprises a plurality of joint pipes which are connected in sequence, the joint pipes comprise a first pipe section and a second pipe section which are connected with each other, the outer diameter of the first pipe section is smaller than the inner diameter of the second pipe section, and in two adjacent joint pipes, the first pipe section of one joint pipe is inserted into the second pipe section of the other joint pipe; the multiple tube sections of the first collecting pipe comprise a first tube section and a second tube section, the first tube section comprises a first tube section and a second tube section, the second tube section comprises a first tube section, a second tube section and an end plate for sealing an opening of the first tube section, the end plate is used for blocking a refrigerant, and the number and the connection sequence of the first tube section and the second tube section can be selectively set. By adopting the scheme, the number and the connection sequence of the first section pipe and the second section pipe can be selectively arranged, so that the first collecting pipes in different forms can be conveniently assembled to meet the design requirements of different processes, the universality of the heat exchanger is improved, and the design and the production are convenient.

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 shows a schematic structural diagram of a heat exchanger provided by an embodiment of the present invention;

FIG. 2 shows an exploded view of the heat exchanger of FIG. 1;

FIG. 3 shows a cross-sectional view of the heat exchanger of FIG. 1;

FIG. 4 shows an enlarged view of the heat exchanger of FIG. 3 at location A;

FIG. 5 shows an enlarged view of the heat exchanger of FIG. 3 in position B;

FIG. 6 shows an enlarged view of the heat exchanger of FIG. 3 at position C;

FIG. 7 shows a schematic view of the first tube section of FIG. 2;

FIG. 8 shows a schematic view of the second tube section of FIG. 2;

fig. 9 shows a schematic view of the third tube section of fig. 2.

Wherein the figures include the following reference numerals:

10. a first header; 11. a first tube section; 12. a second tube section; 13. a pipe groove; 14. a variable diameter pipe section; 20. a first tube section; 30. a second tube section; 31. an end plate; 40. a third section of pipe; 41. an annular plate; 50. a second header; 60. a heat exchange pipe; 70. a fin; 81. an input tube; 82. and (5) outputting the product.

Detailed Description

The technical solution 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. It is to be understood that the embodiments described are only some embodiments of the invention, and not all 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 in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in the accompanying drawings, an embodiment of the present invention provides a heat exchanger, including a first collecting pipe 10, where the first collecting pipe 10 includes a plurality of sequentially connected pipe joints, each pipe joint includes a first pipe section 11 and a second pipe section 12 connected to each other, an outer diameter of the first pipe section 11 is smaller than an inner diameter of the second pipe section 12, and in two adjacent pipe joints, the first pipe section 11 of one pipe joint is inserted into the second pipe section 12 of another pipe joint; the plurality of tube joints of the first header 10 include a first tube joint 20 and a second tube joint 30, wherein the first tube joint 20 includes a first tube segment 11 and a second tube segment 12, the second tube joint 30 includes a first tube segment 11, a second tube segment 12 and an end plate 31 for blocking an opening of the first tube segment 11, and the number and connection sequence of the first tube joint 20 and the second tube joint 30 are selectively set. The end plate 31 blocks the refrigerant.

By adopting the scheme, the number and the connection sequence of the first tube sections 20 and the second tube sections 30 can be selectively arranged, so that the first collecting pipes 10 in different forms can be conveniently assembled to meet the use requirements of different processes, the universality of the heat exchanger is improved, and the design and the production are convenient.

In the present embodiment, the plurality of tube segments of the first header 10 further includes a third tube segment 40, the third tube segment 40 includes a first tube segment 11, a second tube segment 12, and an annular plate 41 disposed on the first tube segment 11, and an inner diameter of the annular plate 41 is smaller than an inner diameter of the first tube segment 11. With this arrangement, since the inner diameter of the annular plate 41 is smaller than the inner diameter of the first tube section 11, the third tube 40 is connected to a line having a diameter smaller than the inner diameter of the first tube section 11, which facilitates assembly of the heat exchanger.

In this embodiment, the heat exchanger further includes a second header 50, the second header 50 includes a plurality of tubes connected in series, and the plurality of tubes of the second header 50 includes the first tube 20 and the second tube 30. The second collecting pipe 50 is provided to facilitate the flow process and the refrigerant flow. Moreover, the plurality of tube joints of the second collecting pipe 50 include the first tube joint 20 and the second tube joint 30, and since the number and the connection sequence of the first tube joint 20 and the second tube joint 30 can be selectively set, the second collecting pipe 50 with different forms can be conveniently assembled to meet different process design requirements.

In this embodiment, any one tube joint in the first header 10 is one of the first tube joint 20, the second tube joint 30 and the third tube joint 40; any one of the first and

second tube sections

20, 30 in the second header 50. Thus, the first header 10 and the second header 50 can be combined in various ways, and are flexible in design and use, easy to assemble, and capable of improving production efficiency.

In this embodiment, the tube joints at both ends of the first collecting pipe 10 are the third tube joints 40, which can facilitate connection with other pipelines for conveying the refrigerant. The tube joints at the two ends of the second collecting pipe 50 are the second tube joints 30, so that the two ends of the second collecting pipe 50 can be plugged by the second tube joints 30.

In this embodiment, the first tube segment 20 and the second tube segment 30 are both provided with a tube slot 13, and the heat exchanger further includes: a plurality of heat exchange tubes 60 are arranged, one end of each of the plurality of heat exchange tubes 60 is inserted into the plurality of tube slots 13 of the first header 10 in a one-to-one correspondence, and the other end of each of the plurality of heat exchange tubes 60 is inserted into the plurality of tube slots 13 of the second header 50 in a one-to-one correspondence. Through the arrangement, the connection between the heat exchange tube 60 and the collecting pipe is facilitated.

In this embodiment, the heat exchanger further includes a plurality of layers of fins 70, and a layer of fins 70 is disposed between two adjacent heat exchange tubes 60. By providing the fins 70, the heat exchange area and the heat exchange effect can be improved.

Further, the tube joints at both ends of the first collecting pipe 10 are all the third tube joints 40, and the heat exchanger further includes: the input pipe 81, the input pipe 81 is connected with the third pipe joint 40 at one end of the first collecting pipe 10; and an output pipe 82, wherein the output pipe 82 is connected with the third tube 40 at the other end of the first collecting pipe 10. The input pipe 81 is used for inputting a refrigerant, and the output pipe 82 is used for outputting the refrigerant. By adopting the arrangement, the input pipe 81 and the output pipe 82 are convenient to be connected with the collecting pipe, and the flowing and conveying of the refrigerant can be realized.

In this embodiment, the joint pipe further comprises: and one end of the variable diameter pipe section 14 is connected with one end of the first pipe section 11, and the other end of the variable diameter pipe section 14 is connected with the second pipe section 12. Through setting up reducing pipe section 14, can structurally play the transition effect, avoid first pipe section 11 and second pipe section 12 lug connection to cause local stress concentration, improved the reliability of festival pipe.

Furthermore, the joint pipe is of an integrally formed structure, so that the structural strength is high, and the manufacturing is convenient. In the embodiment, the first tube joint 20, the second tube joint 30 and the third tube joint 40 have the same outer dimension, so that the same set of mold can be used for manufacturing, and the cost is saved. Adjacent tube sections may be joined by welding or the like.

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 heat exchanger is characterized in that the heat exchanger is provided with a heat exchanger body,

the pipe joint comprises a first collecting pipe (10), wherein the first collecting pipe (10) comprises a plurality of pipe joints which are connected in sequence, each pipe joint comprises a first pipe section (11) and a second pipe section (12) which are connected with each other, the outer diameter of each first pipe section (11) is smaller than the inner diameter of each second pipe section (12), and in two adjacent pipe joints, the first pipe section (11) of one pipe joint is inserted into the second pipe section (12) of the other pipe joint;

the plurality of the pipe joints of the first collecting pipe (10) comprise a first pipe joint (20) and a second pipe joint (30), wherein the first pipe joint (20) comprises a first pipe section (11) and a second pipe section (12), the second pipe joint (30) comprises the first pipe section (11), the second pipe section (12) and an end plate (31) for blocking an opening of the first pipe section (11), and the number and the connection sequence of the first pipe joint (20) and the second pipe joint (30) can be set selectively.

2. The heat exchanger according to claim 1, wherein the plurality of tube segments of the first header (10) further comprises a third tube segment (40), the third tube segment (40) comprising the first tube segment (11), the second tube segment (12), and an annular plate (41) disposed on the first tube segment (11), the annular plate (41) having an inner diameter smaller than an inner diameter of the first tube segment (11).

3. The heat exchanger according to claim 2, further comprising a second header (50), wherein the second header (50) comprises a plurality of serially connected tube segments, and wherein the plurality of tube segments of the second header (50) comprises the first tube segment (20) and the second tube segment (30).

4. A heat exchanger according to claim 3, wherein any one of the tube lengths in the first header (10) is one of the first tube length (20), the second tube length (30) and the third tube length (40); any one of the tube joints in the second collecting pipe (50) is one of the first tube joint (20) and the second tube joint (30).

5. The heat exchanger according to claim 3, wherein the tube sections at both ends of the first header (10) are the third tube sections (40), and wherein the tube sections at both ends of the second header (50) are the second tube sections (30).

6. The heat exchanger according to claim 3, wherein the first tube section (20) and the second tube section (30) are each provided with a tube groove (13), and the heat exchanger further comprises:

the heat exchange tubes (60) are arranged, one ends of the heat exchange tubes (60) are inserted into the tube grooves (13) in the first collecting tube (10) in a one-to-one correspondence mode, and the other ends of the heat exchange tubes (60) are inserted into the tube grooves (13) in the second collecting tube (50) in a one-to-one correspondence mode.

7. The heat exchanger according to claim 6, further comprising a plurality of layers of fins (70), wherein one layer of the fins (70) is arranged between two adjacent heat exchange tubes (60).

8. The heat exchanger according to claim 2, wherein the tube sections at both ends of the first header (10) are the third tube sections (40), and further comprising:

the input pipe (81), the input pipe (81) is connected with the third pipe section (40) at one end of the first collecting pipe (10);

and the output pipe (82), the output pipe (82) is connected with the third section pipe (40) at the other end of the first collecting pipe (10).

9. The heat exchanger of claim 1, wherein the tube segments further comprise:

the pipe comprises a variable diameter pipe section (14), one end of the variable diameter pipe section (14) is connected with one end of the first pipe section (11), and the other end of the variable diameter pipe section (14) is connected with the second pipe section (12).

10. The heat exchanger of claim 1, wherein the tube segments are of unitary construction.