CN213932120U - Multi-core connection type heat exchanger with welded fin structure - Google Patents
Multi-core connection type heat exchanger with welded fin structure Download PDFInfo
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- CN213932120U CN213932120U CN202023106874.5U CN202023106874U CN213932120U CN 213932120 U CN213932120 U CN 213932120U CN 202023106874 U CN202023106874 U CN 202023106874U CN 213932120 U CN213932120 U CN 213932120U
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Abstract
The utility model belongs to the technical field of the heat exchange, a multicore body connection formula heat exchanger with welding fin structure is related to, include: the main tank body, a plurality of heat exchanger cores, a sealing plate and two top header pipes, wherein the plurality of heat exchanger cores are connected and arranged in the main tank body, the sealing plate is arranged on the main tank body, and a liquid inlet pipe and a liquid outlet pipe of each heat exchanger core are communicated with a second liquid pipe assembling hole of each top header pipe through a first liquid pipe assembling hole of the sealing plate. According to the utility model discloses a multicore body connection formula heat exchanger with welding fin structure through the parallelly connected setting of the heat exchanger core that will have welding fin structure, has improved the holistic integrated level of heat exchanger to the heat exchange capacity and the energy conversion efficiency of heat exchanger have been improved.
Description
Technical Field
The utility model belongs to the technical field of the heat exchange, a multicore body connection formula heat exchanger with welding fin structure is related to.
Background
The heat exchanger is widely applied to variable-temperature household appliances such as air conditioners, refrigerators and the like, and is also applied to various application places requiring heat exchange such as heat dissipation, heat recycling and the like. With the continuous integration and complication of application terminals and occasions, the heat exchanger is required to continuously improve the heat exchange capacity on the premise of reducing the occupied space as much as possible. In the existing application, the heat exchanger is divided into a copper light tube heat exchanger and an aluminum fin heat exchanger according to the structure of a heat exchange unit. The copper light pipe heat exchanger has higher material cost and heavy equipment; the heat exchange assembly in the aluminum fin heat exchanger consists of the porous micro-channel tubes and the fins, the arrangement of the fins reduces the heat exchange surface area of the aluminum tube in contact with air to a certain extent, the heat exchange efficiency is reduced, and a large number of fins are very easy to cause water and frost formation, so that the heat exchange effect is influenced. Therefore, how to improve the heat exchange capacity of the heat exchanger on the basis of improving the integration level of the heat exchanger through the comprehensive structure design has important significance.
SUMMERY OF THE UTILITY MODEL
Problem (A)
In view of the above, it is necessary to provide a multi-core connected heat exchanger with a welded fin structure, which can improve the heat exchange capability and the energy conversion efficiency of the system.
(II) technical scheme
According to the utility model discloses an aspect provides a multicore body connection formula heat exchanger with welding fin structure, include: the heat exchanger comprises a main box body, a plurality of heat exchanger cores, a sealing plate and two top header pipes, wherein the heat exchanger cores are connected and arranged in the main box body; the heat exchanger core comprises a plurality of welding fins, fin end sealing plates, a U-shaped groove, fin upper sealing plates and fin lower sealing plates, wherein the U-shaped groove bottom and the fin end sealing plates are welded and fixed in a sealing mode, the fin upper sealing plates and the fin lower sealing plates are welded and fixed in a sealing mode at two ends of the U-shaped groove to form a liquid collecting cavity, the fin upper sealing plates are provided with a liquid inlet pipe and a liquid outlet pipe, a plurality of rows of micro-channel tube holes are arranged in the fin end sealing plates in a parallel mode, and the welding fins are communicated with the liquid collecting cavity through the micro-channel tube holes.
According to the exemplary embodiment of the present invention, the welding fin includes a first fin portion and a second fin portion, and a plurality of semi-cylindrical hollow tubes are respectively arranged in parallel on the first fin portion and the second fin portion, and the semi-cylindrical hollow tubes on the first fin portion and the second fin portion correspond to each other one to form a hollow circular tube.
According to the exemplary embodiment of the present invention, both ends of the first fin portion are provided with the fitting grooves, and both ends of the second fin portion are engaged in the fitting grooves.
According to the utility model discloses an exemplary embodiment, be equipped with a plurality of enhancement heat transfer grooves on the welding fin between the hollow pipe.
According to the exemplary embodiment of the present invention, the direction of the reinforcing heat exchange grooves may be axially parallel or perpendicular to the welding fins as required.
According to the exemplary embodiment of the present invention, the inner diameter of the hollow circular tube in the welded fin is 0.2 to 3 mm.
According to the utility model discloses an exemplary embodiment, set up the output tube on the house steward of top, the tip of output tube sets up output tube joint portion.
According to the exemplary embodiment of the present invention, the cores are connected in parallel or in series through the liquid collecting chamber.
(III) advantageous effects
According to the utility model discloses a multicore body connection formula heat exchanger with welding fin structure connects the setting through the heat exchanger core that will have welding fin structure, has improved the holistic integrated level of heat exchanger to the heat exchange capacity and the energy conversion efficiency of heat exchanger have been improved.
Drawings
Fig. 1 is a schematic structural view of a multi-core connected heat exchanger having a welded fin structure according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a heat exchanger core according to an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a welded fin according to an embodiment of the present invention;
fig. 4 is a partial schematic view of a welded fin according to an embodiment of the present invention;
figure 5 is a top view of a closure plate in accordance with an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a top manifold according to an embodiment of the present invention.
The reference numerals are explained below:
a-a main box body; b-a heat exchanger core; c-sealing plate; d-a top manifold; b1-welding fins; b11-first fin portion; b12-second fin portion; b13-heat exchange enhancement groove; b2-fin end closure plate; B3-U type groove; b4-fin upper closing plate; b5-a fin lower closing plate; b6-liquid inlet pipe; b7-liquid outlet pipe; c-sealing plate; c1-first tube fitting hole; d-a top manifold; d1-second liquid pipe assembly hole; d2-output pipe; d3-output tube junction.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and the corresponding embodiments, wherein the following embodiments are implemented on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are provided, but the scope of the present invention is not limited to the following embodiments.
As shown in fig. 1, a multi-core connection heat exchanger with welded fin structure according to an embodiment of the present invention includes: the heat exchanger comprises a main box body A, a plurality of heat exchanger cores B, a sealing plate C and two top header pipes D. A plurality of heat exchanger cores B are connected and arranged in a main box body A, a sealing plate C is arranged on the main box body A, and a liquid inlet pipe B6 and a liquid outlet pipe B7 of each heat exchanger core are communicated with a second liquid pipe assembly hole D1 of a top manifold D in fig. 6 through a first liquid pipe assembly hole C1 of the sealing plate C in fig. 5.
As shown in fig. 2, the heat exchanger core B includes a plurality of welded fins B1, a fin end sealing plate B2, a U-shaped groove B3, a fin upper sealing plate B4 and a fin lower sealing plate B5, wherein the bottom of the U-shaped groove B3 is welded and fixed with the fin end sealing plate B2 in a sealing manner, the fin upper sealing plate B4 and the fin lower sealing plate B5 are welded and fixed with the two ends of the U-shaped groove B3 in a sealing manner, so as to form a liquid collecting cavity, the fin upper sealing plate B4 is provided with a liquid inlet pipe B6 and a liquid outlet pipe B7, a plurality of rows of microchannel tube holes are arranged in parallel on the fin end sealing plate B2, and the welded fins B1 are communicated with the liquid collecting cavity through the microchannel tube holes.
As shown in figure 1, the cores B are connected in parallel or in series by the liquid collecting cavities.
As shown in fig. 3, the welded fin B1 includes a first fin portion B11 and a second fin portion B12, wherein a plurality of semi-cylindrical hollow tubes are respectively arranged in parallel in the first fin portion B11 and the second fin portion B12, and the semi-cylindrical hollow tubes in the first fin portion and the second fin portion correspond to each other one to form a hollow circular tube.
The first fin portion B11 has engaging grooves B111 at both ends thereof, and the second fin portion B12 has both ends engaged in the engaging grooves B111.
As shown in FIG. 4, a plurality of reinforced heat exchange grooves B13 are arranged on the fin between the adjacent semi-cylindrical hollow tubes, and the direction of the reinforced heat exchange grooves can be parallel or vertical to the axial direction of the fin according to requirements.
The inner diameter of the hollow round tube in the welded fin is 0.2-3 mm.
As shown in FIG. 6, the top manifold D is provided with an outlet pipe D2, the end of which is provided with an outlet pipe joint. The output tube junction D3 may be a threaded connection.
The above-mentioned embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (8)
1. A multi-core bonded heat exchanger with a welded fin structure, comprising: the heat exchanger comprises a main box body, a plurality of heat exchanger cores, a sealing plate and two top header pipes, wherein the heat exchanger cores are connected and arranged in the main box body; the heat exchanger core comprises a plurality of welding fins, fin end sealing plates, a U-shaped groove, fin upper sealing plates and fin lower sealing plates, wherein the U-shaped groove bottom and the fin end sealing plates are welded and fixed in a sealing mode, the fin upper sealing plates and the fin lower sealing plates are welded and fixed in a sealing mode at two ends of the U-shaped groove to form a liquid collecting cavity, the fin upper sealing plates are provided with a liquid inlet pipe and a liquid outlet pipe, a plurality of rows of micro-channel tube holes are arranged in the fin end sealing plates in a parallel mode, and the welding fins are communicated with the liquid collecting cavity through the micro-channel tube holes.
2. The multi-core connected heat exchanger with welded fin structure as claimed in claim 1, wherein the welded fin comprises a first fin portion and a second fin portion, a plurality of semi-cylindrical hollow tubes are respectively arranged on the first fin portion and the second fin portion in parallel, and the semi-cylindrical hollow tubes on the first fin portion and the second fin portion are in one-to-one correspondence to form a hollow circular tube.
3. The multi-core connected heat exchanger with welded fin structure as claimed in claim 2, wherein both ends of the first fin portion are provided with fitting grooves, and both ends of the second fin portion are engaged in the fitting grooves.
4. The multiple core-joined heat exchanger with welded fin structure as claimed in claim 3, wherein a plurality of reinforced heat exchange grooves are formed on the welded fin between the hollow circular tubes.
5. The multiple core-joined heat exchanger with welded fin structure as claimed in claim 4, wherein the direction of the reinforced heat exchange grooves is parallel or perpendicular to the welded fin axial direction.
6. The multiple core-joined heat exchanger with welded fin structure as claimed in claim 2, wherein the inner diameter of the hollow round tube in the welded fin is 0.2-3 mm.
7. The multiple core-joined heat exchanger with welded fin structure as claimed in claim 1, wherein the top header pipe is provided with an outlet pipe, and the end of the outlet pipe is provided with an outlet pipe joint.
8. The multiple core-joined heat exchanger with welded fin structure as claimed in claim 7, wherein said cores are connected in parallel or in series through a liquid collecting chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106874.5U CN213932120U (en) | 2020-12-21 | 2020-12-21 | Multi-core connection type heat exchanger with welded fin structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023106874.5U CN213932120U (en) | 2020-12-21 | 2020-12-21 | Multi-core connection type heat exchanger with welded fin structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213932120U true CN213932120U (en) | 2021-08-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023106874.5U Active CN213932120U (en) | 2020-12-21 | 2020-12-21 | Multi-core connection type heat exchanger with welded fin structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213932120U (en) |
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2020
- 2020-12-21 CN CN202023106874.5U patent/CN213932120U/en active Active
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