CN208382934U

CN208382934U - A kind of four comb micro-channel heat exchangers

Info

Publication number: CN208382934U
Application number: CN201820516170.9U
Authority: CN
Inventors: 彭孝天; 冯诗愚
Original assignee: Nanjing University of Aeronautics and Astronautics
Current assignee: Nanjing University of Aeronautics and Astronautics
Priority date: 2018-04-12
Filing date: 2018-04-12
Publication date: 2019-01-15
Anticipated expiration: 2028-04-12

Abstract

The utility model discloses a kind of four comb micro-channel heat exchangers, and design has connecting plate below on heat exchangers, and four layers of heat exchanger are fixed together.And unique connecting tube, jointing are utilized, it is connected to the heat exchanger of adjacent layer, four comb micro-channel heat exchangers are divided by eight processes by heat exchanger internal partition.It is also connected with mounting bracket before and after heat exchanger, facilitates installation in different installation spaces.It solves and the problem of how installation space is by limited time, to guarantee heat exchange area is worked as.Have many advantages, such as that structure is simple, intensity is reliable, exchange capability of heat is strong, easy for installation.

Description

A kind of four comb micro-channel heat exchangers

Technical field

The utility model relates to a kind of micro-channel heat exchangers, more particularly to a kind of micro-channel heat exchanger of four combs.

Background technique

In recent years, micro-channel heat exchanger is widely used in air conditioning for automobiles, domestic air conditioning, industrial refrigeration and heat-pump hot-water The industries such as device.Compared with usual heat exchanger, not only the coefficient of heat transfer small in size is big for micro-channel heat exchanger, and heat exchange efficiency is high, Er Qiejie Structure is compact, light-weight, can meet higher Energy Efficiency Standard, and have excellent pressure-resistant performance, can freeze by working medium of CO2, Meet environmental requirement.

Common micro-channel heat exchanger is based on single layer and the double-deck micro-channel heat exchanger.It is single but when installation space is limited When the micro-channel heat exchanger heat exchange area of layer or bilayer is again insufficient, the micro-channel heat exchanger using more layers is just needed.Multilayer is micro- Channel heat exchanger key technology needs to solve the connectivity problem between each layer heat exchanger, since pressure is higher in micro- logical heat exchanger, It is required that jointing intensity is reliable, it is not easy to leak.

Utility model content

Technical problem to be solved in the utility model is to provide one kind four for defect involved in background technique Comb micro-channel heat exchanger solves connection and the installation question of multilayer micro-channel heat exchanger, and structure is simple, intensity is reliable, peace Dress is convenient.

The utility model uses following technical scheme to solve above-mentioned technical problem:

A kind of four comb micro-channel heat exchangers, including the first to the 8th header, first to third jumper pipe and first To the 4th connecting plate；

The both ends of described first to the 8th header are all closed, wherein first to fourth header is arranged in parallel, one End is connected on first connecting plate, the other end is connected on the third connecting plate；5th to the 8th afflux Pipe is arranged in parallel, one end is connected on second connecting plate, the other end is connected on the 4th connecting plate；

First to fourth header is equipped with partition in its pipeline, be divided into the upper tube body that cannot be circulated and under Tube body；

Between first header and the 5th header, between the second header and the 6th header, third header And the 7th between header, it is several for the flat of both connection to be all uniformly equipped between the 4th header and the 8th header Pipe；

First jumper pipe is arranged between the lower tube body of first header and the upper tube body of the second header, uses In the lower tube body of the first header of connection and the upper tube body of the second header；

Second jumper pipe is arranged between the lower tube body of second header and the upper tube body of third header, uses In the lower tube body of the second header of connection and the upper tube body of third header；

The third jumper pipe is arranged between the lower tube body of the third header and the upper tube body of the 4th header, uses In the lower tube body of connection third header and the upper tube body of the 4th header；

The upper tube body of first header is equipped with refrigerant inlet connector；

The lower tube body of 4th header is equipped with refrigerant exit connector.

As a kind of four further prioritization schemes of comb micro-channel heat exchanger of the utility model, also comprising for installing four First to fourth mounting bracket of comb micro-channel heat exchanger, wherein second header is arranged in the first mounting bracket On upper tube body, the second mounting bracket is arranged on the lower tube body of second header, and the setting of third mounting bracket is described the On the upper tube body of four headers, the 4th mounting bracket is arranged on the lower tube body of the 4th header.

As a kind of four further prioritization schemes of comb micro-channel heat exchanger of the utility model, described first to fourth across Adapter tube is all made of steel pipe.

As a kind of four further prioritization schemes of comb micro-channel heat exchanger of the utility model, described first to fourth across Adapter tube is all made of hose.

The utility model compared with the prior art by using the above technical solution, has following technical effect that

The utility model discloses a kind of four comb micro-channel heat exchangers, solve when installation space is restricted, can be with The method for increasing micro-channel heat exchanger maturation meets the total heat exchange area requirement of heat exchanger, simple with structure, intensity is reliable, The advantages that easy for installation.

Detailed description of the invention

Fig. 1 is the left view of the utility model；

Fig. 2 is the top view of the utility model；

Fig. 3 is the rearview of the utility model；

Fig. 4 is the isometric side view of the utility model.

In figure, 1. refrigerant inlet connectors, 2. refrigerant exit connectors, the first header of 3-1., the second header of 3-2., 3-3. Third header, the 4th header of 3-4., the first crossover joint of 4-1., the second crossover joint of 4-2., 4-3. third crossover joint, The 4th crossover joint of 4-4., the 5th crossover joint of 4-5., the 6th crossover joint of 4-6., the first jumper pipe of 5-1., 5-2. second across Adapter tube, 5-3. third jumper pipe, the first mounting bracket of 6-1., the second mounting bracket of 6-2., 6-3. third mounting bracket, 6-4. the Four mounting brackets, 7. partitions, the second connecting plate of 8-1., the first connecting plate of 8-2., 9. attachment screws.

Specific embodiment

The technical solution of the utility model is described in further detail with reference to the accompanying drawing:

The utility model can be embodied in many different forms, and should not be assumed that be limited to the embodiments described herein. On the contrary, it is thorough and complete to these embodiments are provided so that the disclosure, and this reality will be given full expression to those skilled in the art With novel range.In the accompanying drawings, for the sake of clarity it is exaggerated component.

As shown in Figures 1 to 4, the utility model discloses a kind of four comb micro-channel heat exchangers, including first to the 8th Header, first to third jumper pipe and first to fourth connecting plate；

The lower tube body of 4th header is equipped with refrigerant exit connector.

The jumper pipe can be steel pipe or hose；Had using hose using leakproofness is improved, it when needed can also be more Change the position of first piece He last block heat exchanger core body.

The utility model also includes first to fourth mounting bracket for installing four comb micro-channel heat exchangers, wherein First mounting bracket is arranged on the upper tube body of second header, and second header is arranged in the second mounting bracket On lower tube body, third mounting bracket is arranged on the upper tube body of the 4th header, and the setting of the 4th mounting bracket is described the On the lower tube body of four headers.

The position of mounting bracket, shapes and sizes can be adjusted according to specific operating condition.

As shown in Fig. 2, the first connecting plate, the second connecting plate are connected on the upside of micro-channel heat exchanger, there is attachment screw thereon； There are third connecting plate, the 4th connecting plate and the first connecting plate, the second connecting plate about right above and below heat exchanger on the downside of heat exchanger Claim.

In the case of need to be according to different operating, the restriction of required heat exchange area and heat exchange area come design the different numbers of plies, The micro-channel heat exchanger of different size size.

First all passes through pipeline connection corresponding with its of connector transboundary to third jumper pipe.

The course of work of the utility model is as follows:

Refrigerant is from refrigerant inlet connector inflow heat exchanger, firstly, by flowing to the flat tube of pipeline connection on the first header The top of 5th header, then from the lower pipeline that the flat tube with the 5th header lower part connection flows back to the first header；

Then, refrigerant through the first jumper pipe enter the second header upper pipeline, by with pipeline connection on the second header Flat tube flow to the top of the 6th header, then the down tube of the second header is flowed back to from the flat tube with the 6th header lower part connection In road；

Secondly, refrigerant enters the upper pipeline of third header through the second jumper pipe, by with pipeline connection on third header Flat tube flow to the top of the 7th header, then the down tube of third header is flowed back to from the flat tube with the 7th header lower part connection In road；

Then, refrigerant through third jumper pipe enter the 4th header upper pipeline, by with pipeline connection on the 4th header Flat tube flow to the top of the 8th header, then the down tube of the 4th header is flowed back to from the flat tube with the 8th header lower part connection In road；

Finally, refrigerant is flowed out from the refrigerant exit connector under the 4th header on pipeline.

It exchanges heat while refrigerant flows in heat exchanger with extraneous medium.

Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art The consistent meaning of meaning hereinafter, and unless defined as here, will not with idealization or meaning too formal come It explains.

Above-described specific embodiment, to the purpose of this utility model, technical scheme and beneficial effects carried out into One step is described in detail, it should be understood that being not used to limit the foregoing is merely specific embodiment of the present utility model The utility model processed, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, It should be included within the scope of protection of this utility model.

Claims

1. A four-row tube microchannel heat exchanger, characterized in that it comprises first to eighth headers, first to third jumpers, and first to fourth connecting plates;

Both ends of the first to eighth headers are closed, wherein the first to fourth headers are arranged in parallel, one end is fixedly connected to the first connecting plate, and the other end is fixedly connected to the first connecting plate. the third connecting plate; the fifth to eighth headers are arranged in parallel, one end is fixed on the second connecting plate, and the other end is fixed on the fourth connecting plate;

The first to fourth headers are all provided with baffles in their pipes to separate them into an upper pipe body and a lower pipe body that cannot flow;

between the first header and the fifth header, between the second header and the sixth header, between the third header and the seventh header, and between the fourth header and the A number of flat tubes for connecting the two are evenly arranged between the eighth headers;

The first crossover pipe is arranged between the lower pipe body of the first header and the upper pipe body of the second header, and is used for connecting the lower pipe body of the first header and the second header the upper tube body;

The second crossover pipe is arranged between the lower pipe body of the second header and the upper pipe body of the third header, and is used for connecting the lower pipe body of the second header and the third header the upper tube body;

The third crossover pipe is arranged between the lower pipe body of the third header and the upper pipe body of the fourth header, and is used for connecting the lower pipe body of the third header and the fourth header the upper tube body;

The upper pipe body of the first header is provided with a refrigerant inlet joint;

The lower pipe body of the fourth header is provided with a refrigerant outlet joint.

2. The four-row tube microchannel heat exchanger according to claim 1, further comprising the first to fourth mounting brackets for installing the four-row tube microchannel heat exchanger, wherein the first mounting bracket is arranged on the upper pipe body of the second header, the second mounting bracket is arranged on the lower pipe body of the second header, and the third mounting bracket is arranged on the upper pipe of the fourth header On the body, a fourth mounting bracket is arranged on the lower pipe body of the fourth header.

3 . The microchannel heat exchanger with four rows of tubes according to claim 1 , wherein the first to fourth jumpers are all made of steel pipes. 4 .

4 . The four-row tube microchannel heat exchanger according to claim 1 , wherein the first to fourth jumpers are all made of hoses. 5 .