Pyramid fin micro-channel heat exchanger

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a pyramid fin micro-channel heat exchanger which comprises a heat exchanger body, and a first collecting pipe, a second collecting pipe, a third collecting pipe and a fourth collecting pipe which are identical in size are arranged on the heat exchanger body. Parallel micro-channel plates are respectively and uniformly inserted and fixed between the first collecting pipe and the second collecting pipe and between the third collecting pipe and the fourth collecting pipe in a sealing manner, pyramid fins are respectively connected between the micro-channel plates, and the pyramid fins integrally form an upper convex pyramid and a lower concave pyramid through stamping. According to the pyramid fin micro-channel heat exchanger, heat dissipation treatment is conducted on the micro-channel plates through the pyramid fins which are integrally punched, cleaning can be facilitated, meanwhile, the upper convex pyramid and the lower concave pyramid are formed on the pyramid fins, the pyramid fins can be connected with the upper micro-channel plate and the lower micro-channel plate, the connection reliability is guaranteed, meanwhile, the larger heat dissipation area is achieved, and the heat dissipation efficiency is improved. The heat dissipation effect of the heat exchanger is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely is a kind of pyramid fin microchannel heat exchanger. BACKGROUND

[0002] Microchannel heat exchanger is a kind of high-efficiency heat exchange equipment, based on the basic principle of heat conduction, when two different temperature fluids flow through the different sides of microchannel heat exchanger respectively, heat will be transferred from the side of higher temperature to the side of lower temperature, since the design of microchannel greatly increases the contact area, therefore can realize very high heat exchange efficiency in relatively small volume.

[0003] The existing microchannel heat exchanger is mainly composed of microchannel plate, fin, header, flow divider, shell and other components, the microchannel plate needs to be cooled by fin, and the conventional fin adopts straight fin, sawtooth fin, corrugated fin, louver fin and the like, the gap of heat dissipation space is usually small, and the cleaning is inconvenient, and the heat dissipation area is limited. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of pyramid fin microchannel heat exchanger to solve the problem of the fin of heat exchanger in current market, which uses straight fin, sawtooth fin, corrugated fin, louver fin and the like, and has the problem of inconvenient cleaning, and the problem of limited heat dissipation area.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of pyramid fin microchannel heat exchanger, including heat exchanger main body, the first header, the second header, the third header and the fourth header of identical size are provided on the heat exchanger main body, and the first header and the second header and the third header and the fourth header are evenly sealed and inserted and fixed with the microchannel plate parallel to each other between the first header and the second header and between the third header and the fourth header, the microchannel plate is connected with pyramid fin between the microchannel plate, and the pyramid fin is integrally formed with upper convex pyramid and lower concave pyramid by stamping.

[0006] Preferably, the microchannel plate is uniformly provided with through micro-pore channels, and the microchannel plate is further welded and fixed with positioning seat at both ends.

[0007] Preferably, the positioning seat is in semicircular arc structure, and the positioning seat is fastened and clamped in the first header, the second header, the third header and the fourth header.

[0008] Preferably, the size of the upper convex pyramid and the lower concave pyramid is identical, and the upper end tip of the upper convex pyramid and the lower end tip of the lower concave pyramid are fixed with upper and lower microchannel plates respectively.

[0009] Preferably, the first manifold, the second manifold and the third manifold are respectively sealed with a partition plate, and the second manifold and the third manifold are respectively connected with an upper connecting channel and a lower connecting channel above and below the partition plate.

[0010] Preferably, the first manifold is respectively communicated with a water inlet and a water outlet above and below the partition plate.

[0011] Compared with the prior art, the beneficial effects of the pyramid fin microchannel heat exchanger are as follows: the pyramid fin microchannel heat exchanger is made of the pyramid fin integrally punched to perform heat dissipation treatment on the microchannel plate, can be conveniently cleaned, and the upper convex pyramid and the lower concave pyramid formed on the pyramid fin can be connected with the upper and lower microchannel plates, so that the connection reliability is ensured, the heat dissipation area is larger, and the heat dissipation effect of the heat exchanger is effectively improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the pyramid fin microchannel heat exchanger of the utility model;

[0013] Figure 2 It is a pyramid fin structure schematic view of the pyramid fin microchannel heat exchanger of the utility model;

[0014] Figure 3 It is a main view of the pyramid fin microchannel heat exchanger of the utility model;

[0015] Figure 4 It is a microchannel plate and first manifold connection structure schematic view of the pyramid fin microchannel heat exchanger of the utility model.

[0016] In the drawing: 1, heat exchanger main body; 2, microchannel plate; 201, micro-pore channel; 202, positioning seat; 3, pyramid fin; 301, upper convex pyramid; 302, lower concave pyramid; 4, third manifold; 5, upper connecting channel; 6, partition plate; 7, second manifold; 8, lower connecting channel; 9, fourth manifold; 10, first manifold; 11, water inlet; 12, water outlet. DETAILED DESCRIPTION

[0017] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0018] Please refer to Figures 1-4The utility model provides a technical scheme: a kind of pyramid fin microchannel heat exchanger, including heat exchanger main body 1, and the same size of first header pipe 10, second header pipe 7, third header pipe 4 and fourth header pipe 9 are equipped on heat exchanger main body 1, first header pipe 10, second header pipe 7 and third header pipe 4 are respectively sealed and clamped with baffle 6, and second header pipe 7 and third header pipe 4 are respectively sealed and connected with upper connecting channel 5 and lower connecting channel 8 above and below baffle 6, this structure can be separated into several flow passages by the arrangement of baffle 6, increase the flow of fluid process, the upper side of first header pipe 10 is respectively communicated with water inlet 11 and water outlet 12 above and below baffle 6, this structure can be carried out by water inlet 11 and water outlet 12 respectively fluid inlet and outlet treatment, fluid enters the upper part of first header pipe 10 by water inlet 11, then by microchannel plate 2 enters the upper area of second header pipe 7, and then by microchannel plate 2 enters the upper area of third header pipe 4, and then by microchannel plate 2 enters fourth header pipe 9, and by microchannel plate 2 enters third header pipe 4 below fourth header pipe 9, and then by microchannel plate 2 enters second header pipe 7 below, and finally by microchannel plate 2 flows into the lower area of first header pipe 10, and finally by water outlet 12 is discharged, and first header pipe 10 and second header pipe 7 and third header pipe 4 and fourth header pipe 9 are respectively evenly sealed and inserted and fixed with the microchannel plate 2 parallel to each other, the microchannel plate 2 is evenly provided with the micro-hole channel 201 that passes through, and the both ends of microchannel plate 2 are also respectively welded and fixed with positioning seat 202, this structure makes microchannel plate 2 flow through micro-hole channel 201 and carries out flow guide treatment, realizes the flow of fluid, and can realize heat exchange treatment in the flow process, positioning seat 202 is semicircular arc structure, and positioning seat 202 is tightly clamped in first header pipe 10, second header pipe 7, third header pipe 4 and fourth header pipe 9, this structure can let microchannel plate 2 in the part of first header pipe 10, second header pipe 7, third header pipe 4 and fourth header pipe 9 can be positioned and stabilized by positioning seat 202, while positioning seat 202 can allow fluid to flow through the arc structure, the pyramid fin 3 is connected between microchannel plate 2, and the pyramid fin 3 is integrally formed by stamping upper convex pyramid 301 and lower concave pyramid 302, the size of upper convex pyramid 301 and lower concave pyramid 302 is same, and the upper end tip of upper convex pyramid 301 and the lower end tip of lower concave pyramid 302 are fixed with upper and lower microchannel plate 2 respectively, this structure can make pyramid fin 3 have greater heat dissipation area by integrally forming upper convex pyramid 301 and lower concave pyramid 302, while pyramid fin 3 can reliably support microchannel plate 2, ensure the stability of heat exchanger main body 1 as a whole, pyramid fin 3 is integrally stamped, and it is also easier to clean dust.

[0019] Working principle: when using the pyramid fin microchannel heat exchanger, first, the heat exchanger main body 1 needs to be cooled down when working, the fluid enters the upper part of the first header pipe 10 through the water inlet 11, then enters the upper area of the second header pipe 7 through the microchannel plate 2, then enters the upper area of the third header pipe 4 through the upper connecting channel 5, then enters the fourth header pipe 9 through the microchannel plate 2, then enters the lower area of the third header pipe 4 through the fourth header pipe 9, then enters the lower area of the second header pipe 7 through the lower connecting channel 8, and finally flows into the lower area of the first header pipe 10 through the microchannel plate 2, and is discharged through the water outlet 12. The partition plate 6 separates the first header pipe 10, the second header pipe 7 and the third header pipe 4 into upper and lower areas, respectively. The fluid flows through the micro-pore channel 201 in the microchannel plate 2. The positioning seat 202 stabilizes and positions the microchannel plate 2, the first header pipe 10, the second header pipe 7, the third header pipe 4 and the fourth header pipe 9, respectively. The microchannel plate 2 is cooled by the pyramid fin 3. The upper convex pyramid 301 and the lower concave pyramid 302 are connected with the upper and lower microchannel plates 2, respectively, to ensure reliable heat conduction, and the increased heat dissipation area of the pyramid fin 3 can efficiently dissipate heat, thereby completing a series of work.

[0020] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A pyramid finned microchannel heat exchanger comprising a heat exchanger body (1) characterised in that: The heat exchanger body (1) is provided with first header (10), second header (7), third header (4) and fourth header (9) with the same size, and the first header (10) and the second header (7) and the third header (4) and the fourth header (9) are respectively evenly sealed and inserted and fixed with the microchannel plate (2) parallel to each other, the microchannel plate (2) is respectively connected with the pyramid fin (3), and the pyramid fin (3) is integrally formed with the upper convex pyramid (301) and the lower concave pyramid (302) by stamping.

2. A pyramid fin microchannel heat exchanger according to claim 1, wherein: The microchannel plate (2) is uniformly provided with through micro-pore channels (201), and the microchannel plate (2) is respectively welded and fixed with the positioning seat (202) at both ends.

3. A pyramid fin microchannel heat exchanger according to claim 2, wherein: The positioning seat (202) is a semicircular arc structure, and the positioning seat (202) is tightly clamped in the first header (10), the second header (7), the third header (4) and the fourth header (9).

4. The pyramid fin microchannel heat exchanger of claim 1, wherein: The size of the upper convex pyramid (301) and the lower concave pyramid (302) is the same, and the upper end of the upper convex pyramid (301) and the lower end of the lower concave pyramid (302) are respectively fixed with the upper and lower microchannel plates (2).

5. The pyramid fin microchannel heat exchanger of claim 1, wherein: The first header (10), the second header (7) and the third header (4) are respectively sealed and clamped with the partition plate (6), and the second header (7) and the third header (4) are respectively sealed and connected with the upper connecting channel (5) and the lower connecting channel (8) above and below the partition plate (6).

6. A pyramid fin microchannel heat exchanger according to claim 5, wherein: The first header (10) side is respectively communicated with the water inlet (11) and the water outlet (12) above and below the partition plate (6).

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