CN214065815U

CN214065815U - Heap heat exchanger

Info

Publication number: CN214065815U
Application number: CN202022999231.1U
Authority: CN
Inventors: 王建桥; 孙守荣
Original assignee: AKG Thermal Systems Taicang Co Ltd
Current assignee: AKG Thermal Systems Taicang Co Ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-27
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a heap heat exchanger, including a plurality of plate bodies, a plurality of fins, the turn-ups has all around of plate body, the turn-ups of preceding plate body is connected with a back plate body, form medium channel between adjacent plate bodies, the fin sets up in medium channel, first medium import and export group has been seted up on the plate body, group is imported and exported to the second medium, be provided with the connecting pipe in the medium channel, the connecting pipe is including the first connecting pipe of first medium import and export group on the adjacent plate body of intercommunication, at least one in the second connecting pipe of group is imported and exported to the second medium on the adjacent plate body of intercommunication, only form a medium channel between the adjacent plate body, only through a medium in the medium channel. The utility model discloses increase the fin in the medium passageway that forms between the plate body, weight is lighter, and has cancelled the strip of paper used for sealing, only needs to assemble fin and plate body pile together, and the assembly is simple, and production efficiency is high. The medium channel is provided with the fins, so that the heat dissipation efficiency is higher, the brazing surface is larger, and the brazing is more reliable.

Description

Heap heat exchanger

Technical Field

The utility model relates to a heat exchanger field, concretely relates to heap heat exchanger.

Background

In the prior art, heat exchangers mainly used for heat exchange between liquid and liquid include plate-fin heat exchangers and plate heat exchangers. Referring to fig. 1, a conventional plate-fin heat exchanger is shown, which is formed by brazing fins, brazing plates and sealing strips, and after brazing a core, the core and a sealing head are welded together by argon arc welding. Referring to fig. 2, a plate heat exchanger is commonly used at present, each plate forms a liquid flow channel through a different machining process, and the plates can be fixed by brazing or pressing.

In the structure shown in fig. 1, there is a seal between each layer of channels, and under the working condition of the same heat dissipation efficiency, the weight is heavier, and the heat sink cannot be used in some applications requiring a lighter heat sink. In the structure shown in fig. 2, heat transfer is performed between the plates, the heat transfer area is small compared with that of the fins, the flowing direction of the liquid is fixed, and the change of the flowing direction of the liquid requires a large investment in a mold. Currently, with the increasing demand for high heat dissipation efficiency and lightweight heat sinks in the market, the emergence of efficient, flexible and variable heat sinks is needed.

Disclosure of Invention

The utility model aims at providing a heap heat exchanger.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

a stacked heat exchanger comprises a plurality of plate bodies and a plurality of fins, wherein flanges are arranged on the periphery of the plate bodies, the flange of the former plate body is connected with the latter plate body, a medium channel is formed between the adjacent plate bodies, the fins are arranged in the medium channel,

the plate body is provided with a first medium inlet and outlet group and a second medium inlet and outlet group, the heat exchanger further comprises a connecting pipe arranged in the medium channel, the connecting pipe comprises at least one of a first connecting pipe communicated with the first medium inlet and outlet group on the adjacent plate body and a second connecting pipe communicated with the second medium inlet and outlet group on the adjacent plate body, only one medium channel is formed between the adjacent plate bodies, and only one medium passes through the medium channel.

Preferably, when the first connecting pipe is arranged in the medium channel, the medium channel is a second medium channel through which a second medium flows; when the second connecting pipe is arranged in the medium channel, the medium channel is a first medium channel for circulating a first medium.

Further preferably, when the first connecting pipe and the second connecting pipe are arranged in the medium passage, the medium passage does not flow through a medium.

Further preferably, the heat exchanger is circularly arranged in sequence according to the sequence of the first medium channel and the second medium channel.

Further preferably, the heat exchanger is circularly arranged in sequence according to the sequence of the first medium channel, the second medium channel and the second medium channel.

Preferably, said fins have a thickness not greater than the distance between adjacent said plate bodies.

Preferably, the fin is provided with a hole for passing through the connecting pipe.

Preferably, the connecting pipe and the plate body are integrally arranged, and the connecting pipe is arranged on one side of the plate body, which is provided with the flanging.

Preferably, the first medium inlet and outlet group and the second medium inlet and outlet group are arranged at any position on the plate body.

Preferably, the heat exchanger further comprises a bottom plate, the bottom plate is connected with the flange of the last plate body, and the medium channel is formed between the bottom plate and the plate body connected with the bottom plate.

Preferably, the adjacent plate bodies are connected in a sealing mode through the flanges, and the medium channel is a closed space relative to the outside.

Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses increase the fin in the medium passage that forms between the plate body, compare with the light in weight of plate fin heat exchanger among the prior art, and compare in plate fin heat exchanger and cancelled the strip of paper used for sealing, only need with fin and plate body stack together assembly, the assembly is simple, production efficiency is high. Compared with the existing plate heat exchanger, the medium channel is provided with the fins, so that the heat dissipation efficiency is higher, the brazing surface is larger, and the brazing is more reliable.

Drawings

FIG. 1 is a schematic structural diagram of a plate-fin heat exchanger for liquid-liquid heat exchange in the prior art;

FIG. 2 is a schematic structural diagram of a plate heat exchanger for liquid-liquid heat exchange in the prior art;

FIG. 3 is a schematic structural diagram of a stacked heat exchanger according to the present embodiment;

fig. 4 is a schematic diagram showing the fitting of the plate body and the fins (sequence 1) in the present embodiment.

In the above drawings: 1. a plate body; 2. a fin; 31. a first connecting pipe, 32, a second connecting pipe; 4. a base plate.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 3 and 4, a stacked heat exchanger includes a plate body 1, fins 2, connecting pipes, and a bottom plate 4, and the plate body 1 and the fins 2 are connected to each other by brazing. The plate bodies 1 are arranged in parallel, the peripheries of the plate bodies 1 are provided with flanges, the flange of the previous plate body 1 is connected with the next plate body 1, and the flange of the last plate body 1 is connected with the bottom plate 4. Plate body 1 and plate body 1 between, sealing connection between plate body 1 and the bottom plate 4 enclose synthetic airtight space for external, airtight space forms the medium passageway that is used for circulating heat transfer medium, and fin 2 sets up in medium passageway, can increase heat transfer area to fin 2's thickness is not more than medium passageway's height, and preferably, fin 2 thickness is the same with medium passageway's height. The fins 2 in different medium channels have the same thickness, but the shapes can be different so as to adapt to the heat exchange effect of different media. The connecting pipe and the plate body 1 are integrally arranged, the connecting pipe is arranged on one side, provided with a flanging, of the plate body 1, and the connecting pipe is connected with the next plate body 1 through brazing.

Generally, the heat exchanger exchanges heat with two media, in this embodiment, two media are also taken as an example, and the situations of more than three media are overlapped on the basis of this embodiment.

The medium channel comprises a first medium channel for circulating a first medium and a second medium channel for circulating a second medium, and only one medium channel is formed in each closed space for circulating only one medium. The plate body 1 and the bottom plate 4 are both provided with an inlet and outlet group for a first medium and an inlet and outlet group for a second medium, and the connecting pipes comprise a first connecting pipe 31 for communicating the inlet and outlet groups for the front and rear first media and a second connecting pipe 32 for communicating the inlet and outlet groups for the front and rear second media.

When a connection pipe is connected to an inlet/outlet group of a certain medium in a certain medium channel, the medium will flow directly from the previous medium channel into the next medium channel through the connection pipe without passing through the current medium channel, that is, the second medium channel through which the second medium flows is provided with the first connection pipe 31, the first medium channel through which the first medium flows is provided with the second connection pipe 32, and the non-medium channel through which the medium does not flow is provided with the first connection pipe 31 and the second connection pipe 32. According to different actual needs, different sequences of arrangement and combination can be performed on the medium channels, wherein the sequence 1: the first medium channel and the second medium channel are sequentially and circularly arranged in sequence, as shown in FIG. 4; sequence 2: the first medium channel, the second medium channel and the second medium channel are sequentially arranged in a circulating manner; sequence 3: the first medium channel, the second medium channel and the medium-free channel are sequentially arranged in a circulating manner; sequence 4: the first medium channel, the medium-free channel, the first medium channel, the second medium channel, the medium-free channel and the second medium channel are sequentially and circularly arranged, and the completed combination sequence is not limited to the combination of the sequences.

Four holes with any positions are formed in the plate body 1 and are used for forming an inlet and outlet group of a first medium and an inlet and outlet group of a second medium, the inlet and outlet group of the first medium and the inlet and outlet group of the second medium are determined by the holes according to the communication sequence of actual connecting pipes, and meanwhile, holes are formed in the corresponding positions, through which the first connecting pipe 31 and the second connecting pipe 32 penetrate, of the fins 2, so that a brazing surface is increased, and the whole heat exchanger is firmer in structure.

The heat exchanger of this embodiment forms through brazed mode mutual welding, forms heat dissipation channel between plate body 1 and plate body 1, plate body 1 and bottom plate 4, compares with the plate fin heat exchanger light in weight among the prior art, has cancelled the strip of paper used for sealing simultaneously, only needs to assemble fin 2 and plate body 1 pile together, and the assembly is simple, and production efficiency is high. The connecting pipes are arranged at different positions on the brazing plate, so that a fluid flow channel can be changed, and the flow channel is flexible and changeable in design. Compared with the existing plate heat exchanger, the channel is provided with the fins 2, so that the heat dissipation efficiency is higher, the brazing surface is larger, and the brazing is more reliable.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a heap heat exchanger, includes a plurality of plate bodys, a plurality of fin, the plate body have the turn-ups all around, the turn-ups of preceding one the plate body be connected with the next one the plate body, adjacent the plate body between form the medium passageway, the fin setting in the medium passageway, the plate body on seted up first medium and imported and exported group, second medium and imported and exported the group, its characterized in that:

the heat exchanger also comprises a connecting pipe arranged in the medium channel, the connecting pipe comprises at least one of a first connecting pipe communicated with the first medium inlet and outlet group on the adjacent plate body and a second connecting pipe communicated with the second medium inlet and outlet group on the adjacent plate body, only one medium channel is formed between the adjacent plate bodies, and only one medium passes through the medium channel.

2. A stacked heat exchanger according to claim 1, wherein: when the first connecting pipe is arranged in the medium channel, the medium channel is a second medium channel for circulating a second medium; when the second connecting pipe is arranged in the medium channel, the medium channel is a first medium channel for circulating a first medium.

3. A stacked heat exchanger according to claim 2, wherein: the heat exchanger is sequentially and circularly arranged according to the sequence of the first medium channel and the second medium channel.

4. A stacked heat exchanger according to claim 2, wherein: the heat exchanger is sequentially and circularly arranged according to the sequence of the first medium channel, the second medium channel and the second medium channel.

5. A stacked heat exchanger according to claim 1, wherein: the thickness of the fin is not more than the distance between the adjacent plate bodies.

6. A stacked heat exchanger according to claim 1, wherein: the fin is provided with a hole for passing through the connecting pipe.

7. A stacked heat exchanger according to claim 1, wherein: the connecting pipe and the plate body are integrally arranged, and the connecting pipe is arranged on one side of the plate body, which is provided with the flanging.

8. A stacked heat exchanger according to claim 1, wherein: the first medium inlet and outlet group and the second medium inlet and outlet group are arranged at any position on the plate body.

9. A stacked heat exchanger according to claim 1, wherein: the heat exchanger also comprises a bottom plate, the bottom plate is connected with the turned edge of the last plate body, and the medium channel is formed between the bottom plate and the plate body connected with the bottom plate.

10. A stacked heat exchanger according to claim 1, wherein: the adjacent plate bodies are connected through the flanging in a sealing manner.