CN220625010U - Fin structure and heat exchanger comprising same - Google Patents

Abstract

The utility model relates to a fin structure and a heat exchanger comprising the fin, wherein the fin is formed by continuously bending a plurality of fin bodies to form an integrated structure, and each fin body is provided with a boss. The lug boss is arranged on the outer side and/or the inner side of the fin body, and the strength of the fin body is enhanced by processing a plurality of lug bosses on the side surface of the fin body, so that the integral rigidity of the whole fin body is improved, and the fin is not easy to fall down in the brazing process. Meanwhile, under the condition of vacuum brazing, the thickness of the fins can be optimally selected, the weight of the fins is reduced, and the use economy of the fins is improved.

Description

Fin structure and heat exchanger comprising same

Technical Field

The utility model relates to the technical field of heat exchangers, in particular to a fin structure and a heat exchanger comprising the fin.

Background

Heat exchangers, also known as heat exchangers, devices for transferring heat from one heat transfer medium to another, often require heating or cooling, i.e. heat transfer, during industrial production, and when one fluid is heat exchanged in another fluid and mixing is not allowed, it is required to perform the heat transfer in a dividing wall heat exchanger, which is used in the chemical, petroleum, power, food and other industries. In the industry of plate-fin heat exchangers, fins are the most important core parts in a cooling module, the fins and other parts are assembled into cores, so that the heat exchange performance of the whole cooling module is related, most heat exchangers in the market at present use a vacuum brazing process to braze the heat exchange cores of the plate-fin heat exchangers, so that the types of the fins used at present are popular, the structure of the fins is not further optimized, the structure of the fins subjected to vacuum brazing is single, the rejection rate is higher, and the brazing quality has larger uncontrollability.

Disclosure of Invention

In view of the foregoing drawbacks of the prior art, an object of the present utility model is to provide a fin and a heat exchanger including the fin, so as to solve one or more problems in the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a fin structure is characterized in that a plurality of fin bodies are continuously bent to form an integrated structure, and each fin body is provided with a boss.

Further, the boss is disposed at an outer side or an inner side of the fin body.

Further, the boss is long-strip-shaped.

The heat exchanger comprises an upper seal head and a lower seal head, a core body is arranged between the upper seal head and the lower seal head, the core body comprises a plurality of fins and a partition board, and sealing strips are arranged on the left side and the right side of the partition board.

Further, a heat exchange channel is formed between two adjacent partition boards.

Further, a medium inlet is formed in the outer side face of the upper sealing head, and a medium outlet is formed in the outer side face of the lower sealing head.

Further, two cover plates are fixedly connected between the upper end socket and the lower end socket.

Compared with the prior art, the utility model has the following beneficial technical effects:

the fin body is reinforced by processing a plurality of bosses on the side surface of the fin body, so that the integral rigidity of the whole fin is improved, the fin is not easy to fall down in the brazing process, the thickness of the fin can be optimally selected under the condition of vacuum brazing, the weight of the fin is reduced, and the use economy of the fin is improved.

The utility model meets the requirements of the heat exchanger product on light weight, low cost and no major change of the brazing process, ensures the requirement of the integral brazing quality and the production efficiency, and further improves the economy of the heat exchanger product.

Drawings

Fig. 1 shows a schematic structural diagram of a fin structure according to an embodiment of the present utility model.

Fig. 2 shows a schematic structural diagram of a heat exchanger according to an embodiment of the present utility model.

Fig. 3 shows a structural cross-section of a heat exchanger according to an embodiment of the present utility model.

Fig. 4 shows a schematic view of a partially enlarged structure of a heat exchanger according to an embodiment of the present utility model.

Fig. 5 is a schematic view showing a structure in which a boss is located on the inner side in a fin structure according to an embodiment of the present utility model.

The reference numerals in the drawings: 1. a core; 10. a fin; 100. a fin body; 101. a boss; 11. a partition plate; 12. a seal; 13. a cover plate; 14. an upper end enclosure; 15. a lower end enclosure; 16. a medium inlet; 17. a medium outlet; 18. a baffle; 19. and a heat exchange channel.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the fin and the heat exchanger including the fin according to the present utility model will be described in further detail with reference to the accompanying drawings and detailed description. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for the purpose of facilitating and clearly aiding in the description of embodiments of the utility model. For a better understanding of the utility model with objects, features and advantages, refer to the drawings. It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that any modifications, changes in the proportions, or adjustments of the sizes of structures, proportions, or otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or essential characteristics thereof.

The specific structure of a fin and a heat exchanger comprising the fin is described as follows:

referring to fig. 1, in the fin structure, as shown in fig. 1, the fins 10 are formed by continuously bending a plurality of fin bodies 100 to form an integral structure, each fin body 100 is provided with a boss 101, specifically, in this embodiment, the width of the fin body 100 is 0-300 mm, and the strength of the fin body 100 is enhanced by processing some bosses 101 on the side surfaces of the fin body 100, so that the overall rigidity of the whole fin body 100 is improved, and the fin 10 is not easy to fall down in the brazing process. Meanwhile, under the condition of vacuum brazing, the thickness of the fin 10 can be optimally selected, the weight of the fin 10 is reduced, and the use economy of the fin 10 is improved.

Further, the boss 101 is disposed at the outer side or the inner side of the fin body 100, specifically, in this embodiment, the height of the boss 101 is 0.1 to 0.3mm, and the size of the boss 101 varies according to the size of the mold.

Specifically, in the present embodiment, referring to fig. 1 and 4, the boss 101 is disposed on the outer side of the fin body 100. Of course, in other embodiments of the present utility model, referring to fig. 5, the boss 101 may be further disposed inside the fin body 100.

Further, the boss 101 is elongated.

Furthermore, in the process of processing the fins 10, the existing punching machine can be used for processing, the processing equipment of the fins 10 is not required to be modified, and only the punching die of the fins 10 is required to be modified, so that the modification cost and the equipment cost are greatly reduced.

The utility model provides a heat exchanger, the heat exchanger includes upper head 14 and low head 15, upper head 14 with set up core 1 between the low head 15, core 1 contains a plurality of fin 10 and baffle 11, the left and right sides of baffle 11 all sets up strip of paper used for sealing 12, specifically, in this embodiment, the quantity of fin 10 and baffle 11 is a plurality of, just fin 10 is two equidistant range between the baffle 11.

Further, heat exchange channels 19 are formed between two adjacent partition boards 11, and specifically, the core 1 is formed by overlapping and arranging the fins 10, the partition boards 11 and the heat exchange channels 19 layer by layer.

Further, the outer side surfaces of the upper seal head 14 and the lower seal head 15 are respectively provided with a baffle 18.

Further, a medium inlet 16 is disposed on the outer side surface of the upper end enclosure 14, a medium outlet 17 is disposed on the outer side surface of the lower end enclosure 15, and further, the medium inlet 16 of the upper end enclosure 14, each heat exchange channel 19 and the medium outlet 17 of the lower end enclosure 15 are communicated, and form a cooling channel for oil in the heat exchanger, so that high-temperature oil is subjected to heat exchange treatment.

Further, two cover plates 13 are fixedly connected between the upper seal head 14 and the lower seal head 15, and specifically, the two cover plates 13 are respectively disposed on the upper side and the lower side of the core body 1.

Furthermore, in the embodiment of the utility model, under the condition that the basic design parameters are the same, the structure of the fin 10 is changed, so that the weight of the novel fin 10 after brazing is 96.46kg, compared with the weight of the original fin 10, the weight of the novel fin 10 is reduced by 4.73kg, and under the condition that the same heat exchanger condition is met, the novel fin 10 is more economical to use.

The specific working process of the fin and the heat exchanger comprising the fin according to the embodiment of the utility model is as follows:

the high-temperature oil enters through the medium inlet 16 at the outer side of the upper end enclosure 14 of the heat exchanger, flows into the heat exchange channels 19 in the core body 1, exchanges heat through the fins 10 between the heat exchange channels 19 in the flowing process, and the cooled oil after heat exchange flows out from the medium outlet 17 at the outer side of the lower end enclosure 15.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (8)

1. A fin structure, characterized in that: the fin is formed by continuously bending a plurality of fin bodies to form an integrated structure, and each fin body is provided with a boss.

2. A fin structure according to claim 1, wherein: the boss is arranged on the outer side or the inner side of the fin body.

3. A fin structure according to claim 2, wherein: the boss is long strip-shaped.

4. A heat exchanger, characterized in that: the heat exchanger comprises an upper seal head and a lower seal head, a core body is arranged between the upper seal head and the lower seal head, the core body comprises a plurality of fins and a partition plate according to any one of claims 1-3, and seals are arranged on the left side and the right side of the partition plate.

5. A heat exchanger as claimed in claim 4, wherein: and a heat exchange channel is formed between two adjacent partition boards.

6. A heat exchanger as claimed in claim 5, wherein: and baffle plates are arranged on the outer side surfaces of the upper seal head and the lower seal head.

7. A heat exchanger as claimed in claim 6, wherein: the outer side face of the upper end socket is provided with a medium inlet, and the outer side face of the lower end socket is provided with a medium outlet.

8. A heat exchanger as claimed in claim 7, wherein: and two cover plates are fixedly connected between the upper end socket and the lower end socket.