CN211823942U - Heat exchange structure and double-layer micro-channel heat exchanger - Google Patents
Heat exchange structure and double-layer micro-channel heat exchanger Download PDFInfo
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- CN211823942U CN211823942U CN201922243727.3U CN201922243727U CN211823942U CN 211823942 U CN211823942 U CN 211823942U CN 201922243727 U CN201922243727 U CN 201922243727U CN 211823942 U CN211823942 U CN 211823942U
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Abstract
The utility model discloses a heat transfer structure and double-deck microchannel heat exchanger that claim, wherein the heat transfer structure includes first heat exchange assembly to and second heat exchange assembly; the first heat exchange assembly comprises two first collecting pipes and a plurality of first flat pipes connected with and communicated with the two first collecting pipes, and the second heat exchange assembly comprises two second collecting pipes and a plurality of second flat pipes connected with and communicated with the two second collecting pipes; the first collecting pipe is connected with a connecting part, the second collecting pipe is correspondingly connected with a connecting matching part, and the first collecting pipe and the second collecting pipe can be detachably connected through the matching between the connecting part and the connecting matching part. The utility model discloses realize detachably assembled connection between first heat exchange assembly and the second heat exchange assembly to in the follow-up maintenance to this heat transfer structure, avoid the holistic scrap of this heat transfer structure, have and reduce the holistic manufacturing cost of this heat transfer structure.
Description
Technical Field
The utility model belongs to the technical field of the heat exchanger is relevant, especially relate to a heat transfer structure and double-deck microchannel heat exchanger.
Background
The double-layer micro-channel heat exchanger is a common heat exchanger and mainly comprises a fixed block, a support plate and two heat exchange assemblies, wherein the two heat exchangers are arranged side by side at intervals, the fixed block is welded on one side of the two heat exchange assemblies at the same time, and the support plate is welded on the other side of the two heat exchange assemblies at the same time, so that the fixed assembly between the two heat exchange assemblies is realized.
At present, the welding fixation is carried out with connection piece 1 (connecting block) to the specific use between two pressure manifold 2 of connecting on the current double-deck microchannel heat exchanger, specifically as shown in figure 1, it has not only increased the manufacturing cost that the enterprise corresponds, causes the burn of fin easily in the mode process of flame welding moreover, also is not convenient for follow-up people to the maintenance of this double-deck microchannel heat exchanger simultaneously.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a heat exchange structure and a double-layer microchannel heat exchanger for solving the technical problems in the prior art.
The heat exchange structure comprises a first heat exchange assembly and a second heat exchange assembly; the first heat exchange assembly comprises two first collecting pipes which are respectively positioned at the first side and the second side of the heat exchange structure, the second heat exchange assembly comprises two second collecting pipes which are respectively positioned at the first side and the second side of the heat exchange structure; the first collecting pipe and the second collecting pipe can be detachably connected through the matching between the connecting parts and the connecting matching parts.
As a preferred embodiment of the present invention, the connecting portion is connected to the corresponding first header pipe by brazing; and/or the connecting matching parts are in braze welding connection with the corresponding second collecting pipes.
As the utility model discloses a preferred scheme, connecting portion establish to the rigid coupling in corresponding connecting block on the first pressure manifold, connect the cooperation position and establish to the rigid coupling in corresponding linking bridge on the second pressure manifold, a side end of linking bridge paste lean on in on the connecting block to connect fixedly through the connecting piece.
As the utility model discloses a preferred scheme, the connecting piece is established to the bolt, the bolt runs through linking bridge to with threaded connection's mode with the connecting block is connected fixedly.
As a preferable scheme of the utility model, the part of the connecting block screwed with the bolt is a solid structure; and/or the part of the connecting block, which is in threaded connection with the bolt, is designed to be a hollow structure.
As a preferred scheme of the present invention, the connecting block is attached to the outer pipe wall of the corresponding first collecting pipe; and/or the connecting supports are arranged in a manner of being attached to the outer pipe wall of the corresponding second collecting pipe.
As a preferred embodiment of the present invention, the connecting portion is a first bracket fixedly connected to the corresponding first collecting pipe, and the connecting fitting portion is a second bracket fixedly connected to the corresponding second collecting pipe; the first bracket and the second bracket can be detachably connected through a connecting piece.
As a preferred scheme of the utility model, a certain gap is reserved between the first bracket and the second bracket; the connecting piece comprises a fixing bolt, the fixing bolt penetrates through the first support and the second support and is limited by a locking nut.
As the utility model discloses a preferred scheme, connecting portion set up on two first pressure manifolds on the first heat transfer subassembly, reach it sets up correspondingly to connect cooperation portion on two second pressure manifolds on the second heat transfer subassembly.
The utility model discloses still ask to protect a double-deck microchannel heat exchanger, including the aforesaid arbitrary heat transfer structure.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
the utility model provides a heat transfer structure and double-deck microchannel heat exchanger is connected with first pressure manifold and second pressure manifold respectively with connecting portion and the connection cooperation portion that can dismantle the connection for detachably be assembled between first heat exchange assembly and the second heat exchange assembly and be connected, so that follow-up maintenance to this heat transfer structure avoids the holistic scrap of this heat transfer structure, has the holistic manufacturing cost of reduction this heat transfer structure.
Drawings
Fig. 1 is a schematic structural diagram of a heat exchange structure provided in the prior art.
Fig. 2 is a schematic structural diagram of a heat exchange structure according to a first embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a heat exchange structure according to a second embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a heat exchange structure according to a third embodiment of the present invention.
11, a first collecting pipe; 12. a first flat tube; 21. a second header; 22. a second flat tube; 101. a connecting pipe; 102. an inlet pipe; 103. an outlet pipe; 201. a connecting portion; 202. and connecting the matching parts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Unless defined otherwise, 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The utility model discloses a double-deck microchannel heat exchanger of protection, including heat transfer structure.
Referring to fig. 1, a heat exchange structure according to a first embodiment of the present invention includes a first heat exchange assembly and a second heat exchange assembly.
The first heat exchange assembly comprises two first collecting pipes 11 and a plurality of first flat pipes 12 connected and communicated with the first collecting pipes 11, wherein the first collecting pipes 11 are respectively located on a first side and a second side of the heat exchange structure, so that a refrigerant led into the first collecting pipes 11 can pass through the first inclined pipes 12 and then led into the second collecting pipes 11. The second heat exchange assembly comprises two second collecting pipes 21 and a plurality of second flat pipes 22 connected and communicated with the second collecting pipes 21, the two second collecting pipes 21 are respectively located on the first side and the second side of the heat exchange structure, and similarly, one of the refrigerants led in the second collecting pipes 21 in the second heat exchange assembly can be led into the other second collecting pipe 21 through the second inclined pipe 22.
One of the first headers 11 of the first heat exchange assembly is connected and communicated with one of the second headers 21 of the second heat exchange assembly by a connecting pipe 101, so as to realize the communication between the first heat exchange assembly and the second heat exchange assembly. In the heat exchange structure of this embodiment, the inlet pipe 102 is connected to the other first collecting pipe 11 of the first heat exchange assembly, and the outlet pipe 103 is connected to the other second collecting pipe 21 of the second heat exchange assembly, so that the refrigerant introduced from the inlet pipe 102 into the first heat exchange assembly can flow through the connecting pipe 101 to the second heat exchange assembly, and then is discharged from the outlet pipe 103 of the second heat exchange assembly. It should be noted that the number of the connecting pipes 101 in this embodiment is two, or the number of the connecting pipes 101 may be set to other numbers according to the use requirement, which is not described herein.
In this embodiment, at least one of the first side and the second side, the first header 11 is connected to a connecting portion 201, the second header 21 is correspondingly connected to a connecting matching portion 202, and the first header 11 and the second header 21 can be detachably connected by the matching between the connecting portion 201 and the connecting matching portion 202. That is to say, accessible on the heat exchange structure of this embodiment between first heat exchange assembly and the second heat exchange assembly connecting portion 201 and second connecting portion 202 carry out the dismouting connection for carry out the dismouting according to the demand that uses between first heat exchange assembly with the second heat exchange assembly, so that this is convenient for this heat exchange structure subsequent maintenance.
Further, the number of the connecting portions 201 and the number of the connecting matching portions 202 are both multiple, the connecting portions 201 are disposed on the two first collecting pipes 11 of the first heat exchange assembly, and the connecting matching portions 202 are correspondingly disposed on the two second collecting pipes 21 of the second heat exchange assembly. Two first collecting pipes 11 on the first heat exchange assembly in this embodiment can be assembled and connected with two second collecting pipes 21 on the second heat exchange assembly, so as to improve the connection strength when the first heat exchange assembly is connected with the second heat exchange assembly. It should be noted that, the number of the connecting portions 201 on each first header 11 may be multiple according to the use requirement, and correspondingly, the number of the connecting matching portions 202 on each second header 21 is also multiple, so as to further improve the connection strength between the first heat exchange assembly and the second heat exchange assembly.
The connecting portion 201 is connected to the corresponding first header 11 by brazing; and/or the connection matching part 202 is in braze welding connection with the corresponding second collecting pipe 21. The assembly connection between the connecting portion 201 and the first collecting pipe 11 and between the connecting matching portion 202 and the second collecting pipe 21 of the present embodiment can be performed at the same time during the brazing furnace welding in the preparation of the overall structure of the heat exchange structure, so that the subsequent welding processes are reduced, the production cost of the heat exchange structure is reduced, and the related problems caused by flame welding are avoided.
The connecting portion 201 of this embodiment is a connecting block fixedly connected to the corresponding first collecting pipe 11, the connecting fitting portion 202 is a connecting bracket fixedly connected to the corresponding second collecting pipe 21, and one end of the connecting bracket abuts against the connecting block and can be connected and fixed by a connecting member. It should be noted that the connecting bracket of this embodiment further includes another end portion extending outward relative to the connecting block, and the other end portion on the connecting bracket is used for connecting with the chassis of the double-layer micro-channel heat exchanger, so as to implement the assembly connection of the heat exchange structure in the chassis.
And the part of the connecting block, which is in threaded connection with the bolt, is of a solid structure.
In this embodiment, the connecting blocks are attached to the outer tube wall of the corresponding first collecting tube 11; and/or the connecting supports are arranged in a manner of being attached to the outer pipe wall of the corresponding second collecting pipe 21, so that the contact area between the connecting block and the first collecting pipe 11 and the contact area between the connecting supports and the second collecting pipe 21 are increased, and the connection strength between the connecting block and the first collecting pipe 11 and the connection strength between the connecting supports and the second collecting pipe 21 are improved. It should be noted that, in the heat exchange structure of this embodiment, the welding areas where the connecting block and the first header 11 and the connecting bracket and the second header 21 contact each other may be adjusted according to the overall weight of the heat exchange structure and the shaking condition during the use process, so as to ensure the connection strength between the connecting block and the first header 11 and between the connecting bracket and the second header 21.
Specifically, the connecting piece of this embodiment is set to be a bolt, the bolt penetrates through the connecting bracket and is connected and fixed with the connecting block in a threaded connection manner, so that the connecting block and the connecting bracket are fixedly assembled and disassembled, and the connecting block and the connecting bracket are connected by the bolt in this embodiment, so that the connecting block and the connecting bracket are conveniently assembled and disassembled.
Please refer to fig. 3 together, the heat exchange structure provided by the second embodiment of the present invention, with the first embodiment of the present invention, the principle of the dismounting between the first collecting pipe 11 and the second collecting pipe 21 is the same, compared with the first embodiment, the heat exchange structure of the second embodiment of the present invention is different in that: and setting the part of the connecting block, which is in threaded connection with the bolt, into a hollow structure. The heat exchange structure has the advantages of reducing the material consumption of the connecting block, reducing the production cost of the connecting block and further having the effect of further reducing the production cost of the heat exchange structure. It should be noted that, the thickness of the portion, which is used for being in threaded fit with the bolt, on the connecting block of the embodiment may be specifically set according to the use requirement, so as to meet the use requirement that the bolt connects and fixes the connecting bracket and the connecting block.
Please refer to fig. 4, the heat exchange structure according to the third embodiment of the present invention, and the first embodiment and the second embodiment of the present invention realize that the principle of the dismounting between the first collecting pipe 11 and the second collecting pipe 21 is the same, compared with the first embodiment, the heat exchange structure according to the third embodiment of the present invention is different in that: the connecting portion 201 is a first bracket fixedly connected to the corresponding first header 11, the connecting fitting portion 202 is a second bracket fixedly connected to the corresponding second header 21, and the first bracket and the second bracket are fixedly connected by a fixing bolt and a locking nut. It should be noted that, in order to fix the heat exchange structure on the chassis, in this embodiment, one or more second brackets may be additionally arranged on the second collecting pipe 21, and the additionally arranged second brackets are connected and fixed with the chassis.
To sum up, the utility model provides a heat transfer structure and double-deck microchannel heat exchanger is connected with first pressure manifold and second pressure manifold respectively with connecting portion and the connection cooperation portion that can dismantle the connection for detachably be assembled between first heat exchange assembly and the second heat exchange assembly and be connected, so that follow-up maintenance to this heat transfer structure avoids the holistic scrap of this heat transfer structure, has the holistic manufacturing cost of reduction this heat transfer structure.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. A heat exchange structure comprises a first heat exchange assembly and a second heat exchange assembly; the first heat exchange assembly comprises two first collecting pipes which are respectively positioned at the first side and the second side of the heat exchange structure, the second heat exchange assembly comprises two second collecting pipes which are respectively positioned at the first side and the second side of the heat exchange structure; the method is characterized in that: the first collecting pipe and the second collecting pipe can be detachably connected through the matching between the connecting parts and the connecting matching parts.
2. The heat exchange structure of claim 1, wherein: the connecting parts are in brazed connection with the corresponding first collecting pipes; and/or the connecting matching parts are in braze welding connection with the corresponding second collecting pipes.
3. The heat exchange structure of claim 1, wherein: the connecting parts are fixedly connected with the corresponding connecting blocks on the first collecting pipes, the connecting matching parts are fixedly connected with the corresponding connecting supports on the second collecting pipes, and one end part of each connecting support is attached to the corresponding connecting block and is fixedly connected with the corresponding connecting support through a connecting piece.
4. The heat exchange structure of claim 3, wherein: the connecting piece is a bolt, and the bolt penetrates through the connecting support and is connected with the connecting block in a threaded connection mode.
5. The heat exchange structure of claim 4, wherein: the part of the connecting block, which is in threaded connection with the bolt, is of a solid structure; and/or the part of the connecting block, which is in threaded connection with the bolt, is designed to be a hollow structure.
6. The heat exchange structure of claim 3, wherein: the connecting blocks are attached to the outer pipe wall of the corresponding first collecting pipe; and/or the connecting supports are arranged in a manner of being attached to the outer pipe wall of the corresponding second collecting pipe.
7. The heat exchange structure of claim 1, wherein: the connecting part is a first support fixedly connected to the corresponding first collecting pipe, and the connecting matching part is a second support fixedly connected to the corresponding second collecting pipe; the first bracket and the second bracket can be detachably connected through a connecting piece.
8. The heat exchange structure of claim 7, wherein: a certain gap is reserved between the first support and the second support; the connecting piece comprises a fixing bolt, the fixing bolt penetrates through the first support and the second support and is limited by a locking nut.
9. The heat exchange structure of claim 1, wherein: the connecting parts are arranged on the two first collecting pipes on the first heat exchange assembly, and the connecting matching parts are correspondingly arranged on the two second collecting pipes on the second heat exchange assembly.
10. A double-layer micro-channel heat exchanger is characterized in that: comprising the heat exchange structure of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922243727.3U CN211823942U (en) | 2019-12-13 | 2019-12-13 | Heat exchange structure and double-layer micro-channel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922243727.3U CN211823942U (en) | 2019-12-13 | 2019-12-13 | Heat exchange structure and double-layer micro-channel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211823942U true CN211823942U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922243727.3U Active CN211823942U (en) | 2019-12-13 | 2019-12-13 | Heat exchange structure and double-layer micro-channel heat exchanger |
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| Country | Link |
|---|---|
| CN (1) | CN211823942U (en) |
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- 2019-12-13 CN CN201922243727.3U patent/CN211823942U/en active Active
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