CN220853221U

CN220853221U - Microchannel heat exchanger

Info

Publication number: CN220853221U
Application number: CN202322669951.5U
Authority: CN
Inventors: 姚岷民; 吴成刚
Original assignee: Nanjing Gaojie Light Industrial Equipment Co ltd
Current assignee: Nanjing Gaojie Light Industrial Equipment Co ltd
Priority date: 2023-10-07
Filing date: 2023-10-07
Publication date: 2024-04-26
Anticipated expiration: 2033-10-07

Abstract

The utility model discloses a microchannel heat exchanger, which comprises a collecting pipe, wherein side plates are welded and installed between the upper end face and the lower end face of the collecting pipe, the end faces of the side plates are fixedly provided with second installation pieces, the surfaces of the collecting pipe are provided with protective covers which are semicircular pipes, the upper end and the lower end of each protective cover are fixedly provided with first installation pieces, the first installation pieces are installed above the second installation pieces, and the surfaces of the first installation pieces and the second installation pieces are provided with penetrating grooves; according to the utility model, the semicircular protective cover is arranged on the surface of the collecting pipe, the first mounting piece is arranged above the second mounting piece, and the protective cover is fixed through the bolts and the nuts, so that the protective cover effectively protects the collecting pipe, prevents the surface of the collecting pipe from being damaged by external impact, and prolongs the service life of the collecting pipe.

Description

Microchannel heat exchanger

Technical Field

The utility model relates to the field of micro-channel heat exchangers, in particular to a micro-channel heat exchanger.

Background

The micro-channel heat exchanger is a heat exchanger with the equivalent diameter of the channel between 10 and 1000 mu m. The flat tubes of this heat exchanger have tens of fine flow channels therein and are connected at both ends to circular headers. A separator is arranged in the header to separate the flow passage of the heat exchanger into a plurality of flows.

The existing microchannel heat exchanger has no protective device on the surface of the collecting pipe, so that external impact can easily damage the surface of the collecting pipe, and the service life of the collecting pipe is reduced.

In view of this, research and improvement are carried out to current problem, provide a microchannel heat exchanger, have through installing the protection casing that is the semicircle tubular shape at the surface of pressure manifold to first mounting plate is installed in the top of second mounting plate, fixes it through bolt and nut, thereby the protection casing protects the pressure manifold effectively, prevents that external impact from causing the injury to the pressure manifold surface, increases the advantage of pressure manifold's life, aims at through this technique, reaches the purpose of solving problem and improvement practical value nature.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides a microchannel heat exchanger.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a microchannel heat exchanger, includes the pressure manifold, two the centre welding of terminal surface is installed to the pressure manifold upper and lower terminal surface has the sideboard, the terminal surface of sideboard is fixed to be provided with the second mounting piece, the surface of pressure manifold is provided with the protection casing, the protection casing sets up to the semicircle pipe, the upper and lower both ends of protection casing are fixed to be provided with first mounting piece, first mounting piece is installed the top of second mounting piece, just first mounting piece with the surface of second mounting piece all is provided with the through groove.

As a further description of the above technical solution:

And flat pipes are arranged between the collecting pipes, fins are arranged between every two flat pipes, and the collecting pipes, the flat pipes and the fins are all made of alloy aluminum materials.

As a further description of the above technical solution:

every two between the flat tubes and at two ends of the fins are provided with supporting plates, and the supporting plates are connected to the flat tubes in a welding mode.

As a further description of the above technical solution:

A side cover is fixedly arranged on one side of the surface of the protective cover, and the protective cover and the side cover are made of iron materials.

As a further description of the above technical solution:

The penetrating groove on the surface of the first mounting piece corresponds to the penetrating groove on the surface of the second mounting piece vertically, and is fixedly connected with the bolt through a nut.

The utility model has the following beneficial effects: install the protection casing at the surface of pressure manifold through the protection casing that is the semicircle tubular with the shape to first mounting piece is installed in the top of second mounting piece, fixes it through bolt and nut, thereby the protection casing protects the pressure manifold effectively, prevents that external impact from causing the injury to the pressure manifold surface, increases the life of pressure manifold.

Drawings

FIG. 1 is a block diagram of a microchannel heat exchanger according to the present utility model;

FIG. 2 is a block diagram of a microchannel heat exchanger according to the present utility model;

FIG. 3 is an enlarged view of the microchannel heat exchanger of FIG. 1A according to the present utility model;

Fig. 4 is an enlarged view of a microchannel heat exchanger according to the present utility model at B in fig. 2.

Legend description:

1. Collecting pipes; 2. a side plate; 3. a protective cover; 4. a side cover; 5. a first mounting tab; 6. a second mounting plate; 7. a flat tube; 8. a fin; 9. and a support plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a microchannel heat exchanger, includes pressure manifold 1, and the intermediate welding of terminal surface about two pressure manifolds 1 installs sideboard 2, and the terminal surface of sideboard 2 is fixed to be provided with second installation piece 6, and the surface of pressure manifold 1 is provided with protection casing 3, and protection casing 3 sets up to the semicircle pipe, and the upper and lower both ends of protection casing 3 are fixed to be provided with first installation piece 5, and first installation piece 5 is installed in the top of second installation piece 6, and the surface of first installation piece 5 and second installation piece 6 all is provided with the through groove.

Specifically, install flat pipe 7 between two collecting pipes 1, and be provided with fin 8 between every two flat pipes 7, the material of collecting pipe 1, flat pipe 7, fin 8 all sets up to alloy aluminium system material for can fully heat transfer, improve heat exchange efficiency, and alloy aluminium system material intensity is high, has good corrosion resistance and weldability, facilitates the use.

Specifically, the support plates 9 are arranged between every two flat tubes 7 and at the two ends of the fins 8, and the support plates 9 are connected to the flat tubes 7 in a welded mode, so that the support plates 9 have supporting effects on the two flat tubes 7, and the stability of the flat tubes 7 in use is improved.

Specifically, the side cover 4 is fixedly arranged on one side of the surface of the protective cover 3, and the protective cover 3 and the side cover 4 are made of iron materials, so that the two sides of the flat tube 7 can be protected.

Specifically, the through groove on the surface of the first mounting piece 5 corresponds to the through groove on the surface of the second mounting piece 6 vertically, and is fixedly connected with the bolt through the nut, the two through grooves are penetrated through the bolt, and the nut is installed on the surface of the bolt through threads, so that the first mounting piece 5 and the second mounting piece 6 can be effectively and fixedly connected, and the protective cover 3 can be fixedly installed on the surface of the collecting pipe 1.

Working principle: firstly, install the protection casing 3 that is the semicircle tubular shape at the surface of pressure manifold 1 to first mounting piece 5 installs in the top of second mounting piece 6, runs through two through the groove through the bolt, and nut screw thread installs on the bolt surface, can be effectively with first mounting piece 5 and second mounting piece 6 fixed connection, thereby make protection casing 3 fixed mounting at the surface of pressure manifold 1, thereby protection casing 3 protects effectively pressure manifold 1, prevents that external impact from causing the injury to pressure manifold 1 surface, increases the life of pressure manifold 1.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A microchannel heat exchanger comprising a header (1), characterized in that: the two middle welding of terminal surface installs sideboard (2) about collecting pipe (1), the terminal surface of sideboard (2) is fixed to be provided with second installation piece (6), the surface of collecting pipe (1) is provided with protection casing (3), protection casing (3) set up to the semicircle pipe, the upper and lower both ends of protection casing (3) are fixed to be provided with first installation piece (5), first installation piece (5) are installed the top of second installation piece (6), just first installation piece (5) with the surface of second installation piece (6) all is provided with the through groove.

2. A microchannel heat exchanger according to claim 1, wherein: a flat tube (7) is arranged between the collecting tubes (1), fins (8) are arranged between every two flat tubes (7), and the collecting tubes (1), the flat tubes (7) and the fins (8) are all made of alloy aluminum.

3. A microchannel heat exchanger according to claim 2, wherein: every two between the flat tubes (7) and at two ends of the fins (8) are provided with support plates (9), and the support plates (9) are connected with the flat tubes (7) in a welding mode.

4. A microchannel heat exchanger according to claim 1, wherein: a side cover (4) is fixedly arranged on one side of the surface of the protective cover (3), and the protective cover (3) and the side cover (4) are made of iron materials.

5. A microchannel heat exchanger according to claim 1, wherein: the penetrating groove on the surface of the first mounting piece (5) corresponds to the penetrating groove on the surface of the second mounting piece (6) vertically, and is fixedly connected with the bolt through a nut.