CN211147425U

CN211147425U - Heat exchanger

Info

Publication number: CN211147425U
Application number: CN201921983275.6U
Authority: CN
Inventors: 刘乐强; 贺宇辰
Original assignee: Zhejiang DunAn Hetian Metal Co Ltd
Current assignee: Zhejiang DunAn Hetian Metal Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-07-31
Anticipated expiration: 2029-11-15

Abstract

The utility model provides a heat exchange device. Heat transfer device is used for with treating heat transfer spare and carry out the heat transfer, and heat transfer device includes: the heat conduction structure is provided with a mounting hole, an orifice of the mounting hole is provided with a flared part, and the heat conduction structure is in contact with the to-be-heated piece and performs heat exchange with the to-be-heated piece; the heat exchange pipeline is arranged in the mounting hole in a penetrating mode and used for circulating heat exchange media, and the heat exchange media circulate in the heat exchange pipeline and/or the mounting hole so as to exchange heat with the heat conduction structure. The utility model discloses heat transfer device easily takes place to cut a tub phenomenon among the prior art has been solved effectively, influences the problem of heat transfer device normal use.

Description

Heat exchanger

Technical Field

The utility model relates to a indirect heating equipment technical field particularly, relates to a heat transfer device.

Background

At present, a heat exchange pipeline of a heat exchange device is arranged in a heat conduction structure in a penetrating mode, a heat exchange medium flows in the heat exchange pipeline, the heat exchange medium carries out heat exchange with the heat conduction structure through the heat exchange pipeline, the heat conduction structure is in direct contact with a to-be-heated part and carries out heat exchange with the to-be-heated part, and then the heat exchange device cools or heats the to-be-heated part.

However, in the prior art, in the operation process of the heat exchange device, relative movement can occur between the heat exchange pipeline and the heat conducting structure, and the connection between the heat exchange pipeline and the heat conducting structure is prone to causing the phenomenon that the heat conducting structure cuts the pipe, which easily causes the structural damage of the heat exchange pipeline, and affects the normal use and the service life of the heat exchange device.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a heat exchanger to solve the problem of heat exchanger in the prior art that the tube cutting phenomenon easily occurs and the normal use of heat exchanger is affected.

In order to achieve the above object, the utility model provides a heat transfer device, heat transfer device are used for and wait that heat exchange member carries out the heat transfer, and heat transfer device includes: the heat conduction structure is provided with a mounting hole, an orifice of the mounting hole is provided with a flared part, and the heat conduction structure is in contact with the to-be-heated piece and performs heat exchange with the to-be-heated piece; the heat exchange pipeline is arranged in the mounting hole in a penetrating mode and used for circulating heat exchange media, and the heat exchange media circulate in the heat exchange pipeline and/or the mounting hole so as to exchange heat with the heat conduction structure.

Further, the mounting hole is a through hole, and two orifices of the through hole are provided with flaring parts.

Further, the flaring portion is a rounding structure, and the radius R of the rounding structure is larger than or equal to 0.1 mm.

Furthermore, the flaring part is of a chamfer structure, and the width C of the chamfer structure is greater than or equal to 0.1 mm.

Further, the heat exchange pipeline comprises a first straight pipe section, an arc-shaped pipe section and a second straight pipe section which are sequentially connected, the first straight pipe section comprises a first reducing section, the first reducing section is in interference fit with the mounting hole, the second straight pipe section comprises a second reducing section, and the second reducing section is in interference fit with the mounting hole.

Furthermore, the flaring portion is of an annular structure, the mounting hole is a round hole, and the central axis of the annular structure and the axis of the round hole are coaxially arranged.

Further, along the direction of heat conduction structure to annular structure, the internal diameter of annular structure increases gradually, and the minimum internal diameter of annular structure is greater than or equal to the aperture of round hole.

Further, the cross section of the annular structure is polygonal; or the cross section of the annular structure is a plane figure consisting of a curve section and a straight section.

Furthermore, the mounting hole is a through hole, the heat conducting structure is a plate-shaped structure, the plate-shaped structure comprises a first surface and a second surface which are arranged in parallel, two orifices of the through hole are respectively positioned on the first surface and the second surface, the annular structure comprises a third surface and a fourth surface connected with the third surface, the third surface is attached to the first surface or the second surface, and the fourth surface is an arc surface; or the fourth surface comprises a plurality of planes which are connected in sequence, and an included angle is formed between every two adjacent planes.

Further, the heat exchange pipeline comprises a first straight pipe section, an arc-shaped pipe section and a second straight pipe section, the first straight pipe section and the second straight pipe section extend into the mounting hole and are welded with the mounting hole, two ends of the arc-shaped pipe section extend into the mounting hole and are welded with the mounting hole, and a heat exchange medium enters the mounting hole through the first straight pipe section or the second straight pipe section.

Further, heat transfer device still includes: and the antifriction piece is arranged on the surface of the flared part.

Use the technical scheme of the utility model, the drill way department of the mounting hole of heat conduction structure is provided with the flaring portion, in heat transfer device operation process, even heat transfer pipeline takes place to vibrate or rock for the heat conduction structure, heat transfer pipeline and flaring portion contact, and then increased the area of contact between heat transfer pipeline and the heat conduction structure, sharp limit and the heat transfer pipeline direct contact of also avoiding the mounting hole take place to cut the pipe phenomenon, and then solved heat transfer device among the prior art and easily taken place to cut the pipe phenomenon, influence the problem of heat transfer device normal use, heat transfer device's life has been prolonged, guarantee that heat transfer device can normal use.

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 front view of a first embodiment of a heat exchange device according to the present invention;

FIG. 2 shows a bottom view of the heat exchange unit of FIG. 1;

FIG. 3 shows an enlarged view of a portion of the heat exchange device of FIG. 1;

FIG. 4 is an enlarged view of the heat exchange unit of FIG. 3 with the heat exchange tubes removed;

fig. 5 shows a cross-sectional view of a heat conducting structure according to a second embodiment of the heat exchanging device of the present invention; and

fig. 6 shows a partially enlarged schematic view of the heat exchange device of fig. 5.

Wherein the figures include the following reference numerals:

10. a heat conducting structure; 11. mounting holes; 111. an orifice; 12. a first surface; 13. a second surface; 20. a heat exchange conduit; 21. a first straight pipe section; 22. an arc-shaped pipe section; 23. a second straight tube section; 30. a flared part; 31. a fourth surface.

Detailed Description

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

It is noted that, unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

In the present invention, unless otherwise specified, the use of directional words such as "upper and lower" is generally in reference to the orientation shown in the drawings, or to the vertical, perpendicular or gravitational orientation; likewise, for ease of understanding and description, "left and right" are generally to the left and right as shown in the drawings; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself, but the above directional terms are not intended to limit the present invention.

In order to solve among the prior art heat transfer device and easily take place to cut a tub phenomenon, influence heat transfer device normal use's problem, this application provides a heat transfer device.

Example one

As shown in fig. 1 to 4, the heat exchanging device is used for exchanging heat with a to-be-exchanged member, and includes a heat conducting structure 10 and a heat exchanging pipe 20. The heat conducting structure 10 has a mounting hole 11, a flared portion 30 is disposed at an aperture 111 of the mounting hole 11, and the heat conducting structure 10 is in contact with a member to be heat exchanged and performs heat exchange with the member to be heat exchanged. The heat exchange pipe 20 is inserted into the mounting hole 11, and a heat exchange medium is used for circulating in the heat exchange pipe 20, and the heat exchange medium circulates in the heat exchange pipe 20 to exchange heat with the heat conducting structure 10.

Use the technical scheme of this embodiment, the drill way 111 department of mounting hole 11 of heat conduction structure is provided with flaring portion 30, in heat transfer device operation process, even heat transfer pipeline 20 vibrates or rocks for heat conduction structure 10, heat transfer pipeline 20 and flaring portion 30 contact, and then increased the area of contact between heat transfer pipeline 20 and the heat conduction structure 10, also avoid sharp limit and the heat transfer pipeline 20 direct contact of mounting hole 11 and take place to cut the pipe phenomenon, and then solved heat transfer device among the prior art and easily taken place to cut the pipe phenomenon, influence the problem of heat transfer device normal use, heat transfer device's life has been prolonged, guarantee that heat transfer device can normal use.

As shown in fig. 2 to 4, the mounting hole 11 is a through hole, and a flared portion 30 is provided at each of two apertures 111 of the through hole. Specifically, heat exchange pipe 20 wears to establish in mounting hole 11, and above-mentioned setting guarantees that all can not take place between heat exchange pipe 20 and two drill way 111 and cut the pipe phenomenon, has further promoted heat transfer device's use reliability.

In the present embodiment, the flared portion 30 is a rounded structure having a radius R of 0.1mm or more. Thus, the structure is simple, easy to process and realize, the processing cost of the flaring part 30 is reduced, and the processing cost of the heat exchange device is further reduced. Meanwhile, the radius of the rounding structure is set, so that the rounding structure is easier and simpler to process; on the other hand, the rounding structure does not cut the heat exchange pipe 20.

Note that the type of the flared portion 30 is not limited thereto. Optionally, the flared portion 30 is a chamfered structure having a width C greater than or equal to 0.1 mm. Thus, the structure is simple, easy to process and realize, the processing cost of the flaring part 30 is reduced, and the processing cost of the heat exchange device is further reduced. Meanwhile, the width of the chamfering structure is set, so that the chamfering structure is easier and simpler to process; on the other hand, the chamfer structure can not cut the heat exchange pipeline 20.

As shown in fig. 1, the heat exchange pipeline 20 includes a first straight pipe section 21, an arc pipe section 22 and a second straight pipe section 23, which are connected in sequence, wherein the first straight pipe section 21 includes a first reducing section, the first reducing section is in interference fit with the mounting hole 11, the second straight pipe section 23 includes a second reducing section, and the second reducing section is in interference fit with the mounting hole 11. Thus, after the heat exchange pipe 20 and the heat conducting structure 10 are installed, the first variable diameter section and the second variable diameter section are arranged to prevent the heat exchange pipe 20 and the heat conducting structure 10 from moving relatively to each other and affecting the structural stability of the heat exchange device, so that the heat exchange pipe 20 and the heat conducting structure 10 are stably connected together.

Optionally, the heat exchange device further comprises a wear reducing member. Wherein the wear reducing members are provided on the surface of the flared portion 30. Therefore, the friction force between the heat exchange pipeline 20 and the flared part 30 can be further reduced by the arrangement of the anti-friction part, the phenomenon of pipe cutting of the heat exchange pipeline 20 is avoided, and the use reliability of the heat exchange device is improved.

Optionally, the wear reducing member is rubber or silicone.

Example two

The difference between the heat exchange device in the second embodiment and the first embodiment is that: the structure of the flared portion 30 is different.

As shown in fig. 5 and 6, the flared portion 30 is an annular structure, the mounting hole 11 is a circular hole, and the central axis of the annular structure is coaxial with the axis of the circular hole. Specifically, the annular structure is disposed on the surface of the heat conducting structure 10 having the hole 111 and can be in contact with the heat exchange pipe 20, so as to increase the contact area between the heat exchange pipe 20 and the heat conducting structure 10, avoid the pipe cutting of the heat exchange pipe 20, and prolong the service life of the heat exchange pipe 20. Meanwhile, the structure is simple, the processing and the realization are easy, and the processing cost of the heat exchange device is reduced.

In the present embodiment, the inner diameter of the annular structure gradually increases along the direction from the heat conducting structure 10 to the annular structure, and the minimum inner diameter of the annular structure is greater than or equal to the aperture of the circular hole. Like this, above-mentioned setting guarantees that the loop configuration is the flaring form, and then has increased the distance between heat transfer pipeline 20 and the drill way 111, and avoids drill way department to produce sharp limit and leads to heat transfer pipeline 20 to produce the pipe cutting phenomenon.

Optionally, the cross-section of the ring-shaped structure is polygonal; or the cross section of the annular structure is a plane figure consisting of a curve section and a straight section. In this embodiment, the cross section of the annular structure is a planar figure composed of a curved section and a straight section, and the curved surface of the annular structure can contact with the heat exchange pipe 20 without a sharp edge, so that the pipe cutting phenomenon cannot occur.

As shown in fig. 5, the mounting hole 11 is a through hole, the heat conducting structure 10 is a plate-shaped structure, the plate-shaped structure includes a first surface 12 and a second surface 13 that are arranged in parallel, two apertures 111 of the through hole are respectively located on the first surface 12 and the second surface 13, the ring-shaped structure includes a third surface and a fourth surface 31 connected to the third surface, the third surface is attached to the first surface 12 or the second surface 13, and the fourth surface 31 is an arc surface. Specifically, two openings 111 of each mounting hole 11 are provided with annular structures, a third surface of one annular structure is attached to the first surface 12, and a third surface of the other annular structure is attached to the second surface 13.

In other embodiments not shown in the drawings, the fourth surface comprises a plurality of planes connected in series, and two adjacent planes are arranged at an included angle. Optionally, the fourth surface comprises two planes connected in series, and the cross-section of the ring-shaped structure is triangular.

EXAMPLE III

The difference between the heat exchange device in the third embodiment and the first embodiment is that: the heat exchange tubes are of different construction.

In this embodiment, the heat exchange pipeline includes a first straight pipe section, an arc-shaped pipe section and a second straight pipe section, the first straight pipe section and the second straight pipe section extend into the mounting hole and are welded with the mounting hole, both ends of the arc-shaped pipe section extend into the mounting hole and are welded with the mounting hole, and the heat exchange medium enters the mounting hole through the first straight pipe section or the second straight pipe section. Like this, heat transfer medium flows in the mounting hole and directly exchanges heat with heat conduction structure via first straight tube section or second straight tube section, and then has promoted heat transfer device's heat exchange efficiency.

Specifically, the flared part arranged at the mounting hole can accommodate solder, so that the first straight pipe section, the arc-shaped pipe section and the second straight pipe section are welded with the heat conducting structure more easily and conveniently, and the welding difficulty is reduced.

From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:

the drill way department of the mounting hole of heat conduction structure is provided with the flaring portion, in heat transfer device operation process, even heat transfer pipeline takes place to vibrate or rock for heat conduction structure, heat transfer pipeline and flaring portion contact, and then area of contact between heat transfer pipeline and the heat conduction structure has been increased, also avoid the sharp limit of mounting hole and heat transfer pipeline direct contact and take place to cut the pipe phenomenon, and then heat transfer device easily takes place to cut the pipe phenomenon among the prior art has been solved, influence heat transfer device normal use's problem, heat transfer device's life has been prolonged, guarantee that heat transfer device can normal use.

It is obvious that the above described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

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 is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

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 exchange device for exchanging heat with a member to be heat exchanged, comprising:

the heat conduction structure (10) is provided with a mounting hole (11), a flared part (30) is arranged at an orifice (111) of the mounting hole (11), and the heat conduction structure (10) is in contact with the to-be-heated piece and exchanges heat with the to-be-heated piece;

the heat exchange pipe (20) penetrates through the mounting hole (11), a heat exchange medium is used for circulating in the heat exchange pipe (20), and the heat exchange medium circulates in the heat exchange pipe (20) and/or the mounting hole (11) so as to exchange heat with the heat conduction structure (10).

2. A heat exchange device according to claim 1, wherein the mounting hole (11) is a through hole, and the flared portion (30) is provided at both apertures (111) of the through hole.

3. A heat exchange device according to claim 1, characterized in that the flared portion (30) is a rounded structure having a radius R greater than or equal to 0.1 mm.

4. A heat exchange device according to claim 1, characterised in that the flared portion (30) is a chamfered structure having a width C greater than or equal to 0.1 mm.

5. The heat exchange device according to claim 1, wherein the heat exchange pipeline (20) comprises a first straight pipe section (21), an arc-shaped pipe section (22) and a second straight pipe section (23) which are connected in sequence, the first straight pipe section (21) comprises a first reducer section, the first reducer section is in interference fit with the mounting hole (11), and the second straight pipe section (23) comprises a second reducer section, and the second reducer section is in interference fit with the mounting hole (11).

6. A heat exchange device according to claim 1, wherein the flared portion (30) is an annular structure, the mounting hole (11) is a circular hole, and the central axis of the annular structure is arranged coaxially with the axis of the circular hole.

7. A heat exchange device according to claim 6, characterised in that the inner diameter of the annular structure increases gradually in the direction from the heat conducting structure (10) to the annular structure, and the smallest inner diameter of the annular structure is larger than or equal to the aperture of the circular hole.

8. The heat exchange device of claim 6, wherein the annular structure is polygonal in cross-section; or the cross section of the annular structure is a plane figure consisting of a curve section and a straight section.

9. The heat exchange device according to claim 8, wherein the mounting hole (11) is a through hole, the heat conducting structure (10) is a plate-like structure, the plate-like structure comprises a first surface (12) and a second surface (13) which are arranged in parallel, two orifices (111) of the through hole are respectively located on the first surface (12) and the second surface (13), the ring-like structure comprises a third surface and a fourth surface (31) connected with the third surface, the third surface is attached with the first surface (12) or the second surface (13), and the fourth surface (31) is an arc surface; or the fourth surface (31) comprises a plurality of planes which are connected in sequence, and two adjacent planes are arranged at an included angle.

10. The heat exchange device according to claim 1, wherein the heat exchange pipeline (20) comprises a first straight pipe section (21), an arc-shaped pipe section (22) and a second straight pipe section (23), the first straight pipe section (21) and the second straight pipe section (23) extend into the installation hole (11) and are welded with the installation hole (11), both ends of the arc-shaped pipe section (22) extend into the installation hole (11) and are welded with the installation hole (11), and the heat exchange medium enters the installation hole (11) through the first straight pipe section (21) or the second straight pipe section (23).

11. The heat exchange device of claim 1, further comprising:

a wear reduction member disposed on a surface of the flared portion (30).