CN211120777U

CN211120777U - Novel aluminum plate fin type inner fin based on heat exchanger

Info

Publication number: CN211120777U
Application number: CN201922153030.7U
Authority: CN
Inventors: 李德林; 詹取友; 李东周; 陈臣; 柯雄彪
Original assignee: Lonking Shanghai Machinery Parts Co ltd
Current assignee: Lonking Shanghai Machinery Parts Co ltd
Priority date: 2019-12-05
Filing date: 2019-12-05
Publication date: 2020-07-28
Anticipated expiration: 2029-12-05

Abstract

The utility model discloses a novel aluminum plate fin formula inner fin based on heat exchanger, including upper cover plate (6) and lower apron (7), be equipped with a plurality of hot-fluid passageways and cold fluid passageway between upper cover plate (6) and lower apron (7), hot-fluid passageway's structure is: the sealing structure comprises partition plates (2) which are arranged between an upper cover plate (6) and a lower cover plate (7) in parallel at intervals, inner fins (1) are arranged between the partition plates (2), and first sealing strips (3) are arranged at two ends of each inner fin (1); the structure of the cold fluid channel is as follows: the sealing structure comprises outer fins (5) arranged on the upper surface and the lower surface of a first sealing strip (3), and second sealing strips (4) are arranged at two ends of each outer fin (5). In the heat exchange process of the hot fluid, the hot fluid is mainly subjected to heat conduction through the inner fins and the partition plates brazed with the inner fins, heat is conducted to the outer fins through the inner fins and the partition plates, heat exchange is carried out between the outer fins and cooling air, and finally the heat is dissipated through the cooling air.

Description

Novel aluminum plate fin type inner fin based on heat exchanger

Technical Field

The utility model relates to a heat exchange system technical field, specifically speaking, in particular to novel aluminum plate fin formula inner fin based on heat exchanger.

Background

Aluminum plate fin heat exchangers are widely used for cooling diesel engines, hydraulic systems and torque converter systems, and are one of the most mainstream heat exchangers in the field at present.

In the design and manufacturing process of the aluminum plate fin type heat exchanger, the inner fin structure and the outer fin structure selected by the core body of the heat exchanger directly determine the heat exchange performance of the heat exchanger. In the heat exchange process of the hot fluid, the hot fluid is mainly in heat conduction with the inner fins and the partition plates brazed with the inner fins, heat is conducted to the outer fins through the inner fins and the partition plates, heat exchange is carried out between the outer fins and cooling air, and finally the heat is dissipated through the cooling air.

The heat exchange efficiency of the zigzag inner fins in the prior art cannot meet the requirement, and an inner fin structure with higher heat exchange efficiency is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel aluminum plate finned inner fin based on heat exchanger to the not enough among the prior art to solve the problem that exists among the prior art.

The utility model provides a technical problem can adopt following technical scheme to realize:

the utility model provides a novel aluminum plate finned inner fin based on heat exchanger, includes upper cover plate and lower apron, be equipped with a plurality of hot-fluid channels and cold fluid channel between upper cover plate and the lower apron, hot-fluid channel's structure is: the sealing device comprises partition plates which are arranged between an upper cover plate and a lower cover plate at intervals in parallel, wherein inner fins are arranged between the partition plates, and two ends of each inner fin are provided with first sealing strips; the structure of the cold fluid channel is as follows: the sealing structure comprises outer fins arranged on the upper surface and the lower surface of a first sealing strip, and second sealing strips are arranged at two ends of each outer fin.

Further, the inner fins (1) are aluminum saw-tooth-shaped fins, the pitch of the inner fins (1) is 1.5mm, and the inner fins are used for disturbing flow of hot fluid; the wave pitch of the inner fin (1) is 8mm, which is used for reducing the flow resistance of the inner side hot fluid.

Furthermore, the first seal and the end part of the inner fin are arranged at an angle of 90 degrees.

Furthermore, the second seal and the end part of the outer fin are arranged at an angle of 90 degrees.

Furthermore, the upper cover plate, the lower cover plate, the partition plate, the inner fins, the outer fins, the first seal and the second seal are connected through vacuum high-temperature brazing.

Furthermore, the upper cover plate (6), the lower cover plate (7), the partition plate (2), the inner fin (1), the outer fin (5), the first seal (3) and the second seal (4) are formed by vacuum high-temperature brazing.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model combines the core body structure of the aluminum plate fin type heat exchanger, optimizes the zigzag inner fin structure, encrypts the fin pitch, improves the turbulence frequency, and improves the heat exchange performance of hot fluid, inner fins and the partition board; the wave pitch of the inner fins is increased, the sectional area of a channel in the hot fluid is increased, and the flow resistance of the hot fluid is reduced.

Drawings

Fig. 1 is a schematic diagram of the core heat exchanger of the present invention.

Fig. 2 is a structural diagram of a hot fluid channel according to the present invention.

Fig. 3 is a structural diagram of the cold fluid channel of the present invention.

Fig. 4 is a top view of the novel aluminum plate fin type inner fin of the present invention.

Fig. 5 is a test chart of the novel aluminum plate fin type inner fin of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 3, when the utility model relates to a novel aluminum plate fin formula inner fin based on heat exchanger, including upper cover plate (6) and lower apron (7), be equipped with a plurality of hot-fluid passageways and cold fluid passageway between upper cover plate (6) and lower apron (7), the structure of hot-fluid passageway is: the sealing structure comprises partition plates (2) which are arranged between an upper cover plate (6) and a lower cover plate (7) in parallel at intervals, wherein inner fins (1) are arranged between the partition plates (2), and first sealing strips (3) are arranged at two ends of each inner fin (1); the structure of the cold fluid channel is as follows: including setting up outer fin (5) on first strip of paper used for sealing (3) upper and lower two sides, second strip of paper used for sealing (4) are installed to the both ends of outer fin (5).

The inner fins (1) are aluminum saw-tooth fins, the pitch of the inner fins (1) is 1.5mm, and the inner fins are used for disturbing flow of hot fluid; the wave pitch of the inner fin (1) is 8mm, which is used for reducing the flow resistance of the inner side hot fluid.

The first seal (3) and the end part of the inner fin (1) are arranged at an angle of 90 degrees.

The second seal (4) and the end part of the outer fin (5) are arranged at an angle of 90 degrees.

The upper cover plate (6), the lower cover plate (7), the partition plate (2), the inner fin (1), the outer fin (5), the first seal (3) and the second seal (4) are connected through vacuum high-temperature brazing.

The working process of the utility model is as follows:

in the heat exchange process of the hot fluid, the hot fluid is mainly in heat conduction with the inner fins (1) and the partition plates (2), heat is conducted to the outer fins through the inner fins (1) and the partition plates (2), heat exchange is carried out between the outer fins (5) and cooling air, and finally the heat is dissipated through the cooling air.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel aluminum plate finned inner fin based on heat exchanger which characterized in that: including upper cover plate (6) and lower cover plate (7), be equipped with a plurality of hot-fluid passage and cold fluid passage between upper cover plate (6) and lower cover plate (7), hot-fluid passage's structure is: the sealing structure comprises partition plates (2) which are arranged between an upper cover plate (6) and a lower cover plate (7) in parallel at intervals, wherein inner fins (1) are arranged between the partition plates (2), the inner fins (1) are composed of a plurality of saw-tooth-shaped segments which are staggered at certain intervals, and first sealing strips (3) are arranged at two ends of each inner fin (1); the structure of the cold fluid channel is as follows: including setting up outer fin (5) on first strip of paper used for sealing (3) upper and lower two sides, second strip of paper used for sealing (4) are installed to the both ends of outer fin (5).

2. The novel aluminum plate-fin inner fin based on the heat exchanger as claimed in claim 1, wherein: the inner fins (1) are aluminum saw-tooth fins, the pitch of the inner fins (1) is 1.5mm, and the inner fins are used for disturbing flow of hot fluid; the wave pitch of the inner fin (1) is 8mm, which is used for reducing the flow resistance of the inner side hot fluid.

3. The novel aluminum plate-fin inner fin based on the heat exchanger as claimed in claim 1, wherein: the first seal (3) and the end part of the inner fin (1) are arranged at an angle of 90 degrees.

4. The novel aluminum plate-fin inner fin based on the heat exchanger as claimed in claim 1, wherein: the second seal (4) and the end part of the outer fin (5) are arranged at an angle of 90 degrees.

5. The novel aluminum plate-fin inner fin based on the heat exchanger as claimed in claim 1, wherein: the upper cover plate (6), the lower cover plate (7), the partition plate (2), the inner fin (1), the outer fin (5), the first seal (3) and the second seal (4) are connected through vacuum high-temperature brazing.