CN217210457U

CN217210457U - Flat pipe assembly for micro-channel heat exchanger

Info

Publication number: CN217210457U
Application number: CN202220894907.7U
Authority: CN
Inventors: 崔皎; 成德鑫; 葛永跃; 王明; 卢峰; 谢玲; 李瑞雪
Original assignee: Shandong Wan Chuang Metal Technology Co ltd
Current assignee: Shandong Wan Chuang Metal Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-08-16
Anticipated expiration: 2032-04-18

Abstract

The utility model relates to the technical field of microchannel heat exchangers, in particular to a flat tube component for a microchannel heat exchanger, which comprises a microchannel body, wherein the microchannel body comprises a collecting tube, flat tubes, fins, a heat insulation plate and a heat conduction plate, the two sides of the width of the microchannel body are provided with the collecting tube which is arranged in a mirror image manner, a plurality of connecting grooves are arranged on the inner side surface of the collecting tube at equal intervals from top to bottom, the flat tubes are connected between the connecting grooves on the inner side surface of the collecting tube, the peripheries of the two ends of the flat tubes are respectively sleeved with a sealing connecting plate, the fins are arranged between the inner side surfaces of the collecting tube and positioned at the inner sides of every two adjacent flat tubes, the heat conduction plate is arranged between the inner side edges of the collecting tube, compared with the existing microchannel heat exchanger, the flat tube component can be conveniently disassembled and replaced when the flat tubes in the heat exchanger are damaged or aged through the design, the whole heat exchanger does not need to be replaced, and the maintenance cost is reduced.

Description

Flat pipe assembly for micro-channel heat exchanger

Technical Field

The utility model relates to a microchannel heat exchanger technical field specifically is a flat pipe assembly for microchannel heat exchanger.

Background

The microchannel is also called microchannel heat exchanger, i.e. heat exchanger with equivalent channel diameter of 10-1000 micrometers, its flat tube has tens of fine flow channels, and its two ends are connected with circular headers, and the headers are equipped with partition plates for dividing the flow channels of heat exchanger into several flows.

The collecting pipe on the microchannel heat exchanger is generally cylindrical, so that the two ends of the flat pipe connected with the collecting pipe are also arc-shaped, the connection mode can only be fixedly connected for guaranteeing the connection sealing performance, and the whole can only be replaced if the flat pipe is damaged, so that the use cost is greatly increased.

There is therefore a need for a flat tube assembly for a microchannel heat exchanger that ameliorates the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flat pipe assembly for microchannel heat exchanger to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a flat pipe assembly for microchannel heat exchanger, includes the microchannel body, the microchannel body includes collector, flat pipe, fin, heat insulating board and heat-conducting plate, the width both sides of microchannel body are equipped with the collector that is the mirror image setting, be equidistant a plurality of spread groove of having seted up about on the medial surface of collector, all be connected with flat pipe between the spread groove of collector medial surface, the peripheral department in both ends of flat pipe all overlaps and is equipped with sealing connection plate, the inboard that just is located per two adjacent flat pipes between the medial surface of collector all is equipped with the fin, be equipped with the heat-conducting plate between the medial surface border of collector, the embedded draught fan of installing of lateral surface center department of heat-conducting plate, the inboard of collector is kept away from and is equipped with the heat insulating board between the one side border of heat-conducting plate.

As the utility model discloses preferred scheme, the inboard both ends of spread groove set up threaded hole, sealing connection plate's both ends set up threaded hole, just sealing connection plate's peripheral size is the same with the medial surface size of spread groove, flat tub carries out sealing connection through the spread groove between sealing connection plate and two headers.

As the utility model discloses preferred scheme, the both ends of flat pipe all communicate with each other with the inside of two headers.

As the utility model discloses preferred scheme, the both ends of the two longer limit lateral walls of flat tub of top and bottom between the medial surface of collector all set up threaded hole.

As the utility model discloses preferred scheme, four summit corners of lateral surface of heat insulating board and heat-conducting plate all are equipped with the bolt, the heat insulating board all carries out threaded connection with two flat pipes of bottom through bolt and the inboard top of two headers with the heat-conducting plate.

As the preferred scheme of the utility model, the air exit of draught fan communicates with each other with the fin inboard.

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

1. the utility model discloses in, through collector, flat pipe, fin, heat insulating board, heat-conducting plate, sealing connection board and the draught fan that sets up for this subassembly can be convenient for dismantle when taking place to damage or ageing and renew, need not to change whole heat exchanger, reduces the maintenance cost, can dispel the heat in the lump in the heat suction heat exchanger that produces when the device uses the heat that produces when the inside components and parts of equipment moves simultaneously, thereby improve the whole radiating efficiency of equipment.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the structure of the collecting pipe, the flat pipe and the fin of the present invention;

FIG. 3 is a schematic side view of the header of the present invention;

fig. 4 is the utility model discloses a flat pipe, sealing connection plate schematic structure.

In the figure: 1. a microchannel body; 2. a header; 201. connecting grooves; 3. flat tubes; 4. a fin; 5. a heat insulation plate; 6. a heat conducting plate; 7. sealing the connecting plate; 8. a bolt; 9. an induced draft fan.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the scope of the present invention based on the embodiments of the present invention.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Several embodiments of the present invention are presented. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a flat pipe assembly for microchannel heat exchanger, including microchannel body 1, microchannel body 1 includes collector 2, flat pipe 3, fin 4, heat insulating board 5 and heat-conducting plate 6, microchannel body 1's width both sides are equipped with collector 2 that is the mirror image setting, be equidistant a plurality of spread groove 201 from top to bottom on collector 2's the medial surface, all be connected with flat pipe 3 between the spread groove 201 of collector 2 medial surface, the peripheral department in both ends of flat pipe 3 all overlaps and is equipped with sealing connection board 7, the inboard that just is located per two adjacent flat pipe 3 between collector 2's the medial surface all is equipped with fin 4, be equipped with heat-conducting plate 6 between collector 2's the medial surface border, the embedded draught fan 9 of installing of lateral surface center department of heat-conducting plate 6, it is equipped with heat insulating board 5 to keep away from between heat-conducting plate 6's the one side border in collector 2's inboard.

Further, threaded holes are formed in two ends of the inner side of each connecting groove 201, threaded holes are formed in two ends of each sealing connecting plate 7, the peripheral size of each sealing connecting plate 7 is the same as the size of the inner side face of each connecting groove 201, and the flat pipes 3 are connected with the connecting grooves 201 between the two collecting pipes 2 in a sealing mode through the sealing connecting plates 7.

Further, both ends of the flat tube 3 are communicated with the insides of the two headers 2.

Further, threaded holes are formed in the two ends of the two longer side walls of the flat tubes 3 at the top and the bottom between the inner side faces of the collecting tubes 2.

Further, four summit corners of the outer side surfaces of the heat insulation plate 5 and the heat conduction plate 6 are provided with bolts 8, and the heat insulation plate 5 and the heat conduction plate 6 are in threaded connection with the two flat pipes 3 at the top and the bottom of the two collecting pipes 2 through the bolts 8.

Further, an air outlet of the induced draft fan 9 is communicated with the inner side of the fin 4.

In the embodiment, please refer to fig. 1-4, in the installation process of the flat tubes 3, the sealing connection plates 7 at one ends of the flat tubes 3 are connected with the connection grooves 201 on one header 2, then the sealing connection plates 7 at the other ends of the flat tubes 3 are connected with the connection grooves 201 on the other header 2, and each flat tube 3 is hermetically connected through the sealing connection plate 7, so that the replacement is convenient and the sealing performance after the replacement is ensured.

The working principle is as follows: during the use, at first to the installation of microchannel body 1, connect flat pipe 3 between two headers 2 through sealing connection board 7 earlier, then install heat insulating board 5 between the inboard top of header 2 and the flat pipe 3 of bottom, put into fin 4 in proper order between per two flat pipes 3 again, then install heat-conducting plate 6 can, after long-time use if one of them or when multiunit flat pipe 3 takes place ageing and damage, can be convenient for dismantle and renew, need not to change whole heat exchanger, reduce the maintenance cost, draught fan 9 can dispel the heat in the heat exchanger in the lump when the inside components and parts of equipment operation produced simultaneously, thereby improve the whole radiating efficiency of equipment, and has certain spreading value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A flat tube assembly for a microchannel heat exchanger comprises a microchannel body (1), and is characterized in that: the micro-channel body (1) comprises a collecting pipe (2), flat pipes (3), fins (4), a heat insulation plate (5) and a heat conduction plate (6), the two sides of the width of the microchannel body (1) are provided with collecting pipes (2) which are arranged in a mirror image manner, a plurality of connecting grooves (201) are arranged on the inner side surface of the collecting pipe (2) at equal intervals from top to bottom, flat pipes (3) are connected between the connecting grooves (201) on the inner side surface of the header (2), the peripheries of two ends of the flat pipe (3) are respectively sleeved with a sealing connecting plate (7), fins (4) are arranged between the inner side surfaces of the collecting pipes (2) and on the inner sides of every two adjacent flat pipes (3), a heat conducting plate (6) is arranged between the edges of the inner side surface of the collecting pipe (2), an induced draft fan (9) is embedded in the center of the outer side surface of the heat conducting plate (6), and a heat insulation plate (5) is arranged between the edges of one side of the inner side of the collecting pipe (2) far away from the heat conduction plate (6).

2. The flat tube assembly for a microchannel heat exchanger as claimed in claim 1, wherein: the flat pipe connecting structure is characterized in that two ends of the inner side of each connecting groove (201) are provided with threaded holes, two ends of each sealing connecting plate (7) are provided with threaded holes, the peripheral size of each sealing connecting plate (7) is the same as the size of the inner side face of each connecting groove (201), and the flat pipes (3) are connected with the connecting grooves (201) between the two collecting pipes (2) in a sealing mode through the sealing connecting plates (7).

3. The flat tube assembly for a microchannel heat exchanger as claimed in claim 1, wherein: and two ends of the flat pipe (3) are communicated with the interiors of the two collecting pipes (2).

4. The flat tube assembly for a microchannel heat exchanger as claimed in claim 1, wherein: threaded holes are formed in the two ends of the two longer side walls of the flat tube (3) at the top and the bottom between the inner side surfaces of the collecting tubes (2).

5. The flat tube assembly for a microchannel heat exchanger as recited in claim 1, wherein: the heat insulation plate (5) and the four vertex corners of the outer side surface of the heat conduction plate (6) are respectively provided with a bolt (8), and the heat insulation plate (5) and the heat conduction plate (6) are respectively in threaded connection with the two flat pipes (3) at the top and the bottom of the inner sides of the two collecting pipes (2) through the bolts (8).

6. The flat tube assembly for a microchannel heat exchanger as claimed in claim 1, wherein: and an air outlet of the induced draft fan (9) is communicated with the inner side of the fin (4).