CN219015034U

CN219015034U - Novel microchannel heat exchanger and refrigerator radiating component thereof

Info

Publication number: CN219015034U
Application number: CN202223422414.2U
Authority: CN
Inventors: 张雪纯; 徐洪斌
Original assignee: Chuangli Electric Appliance Chuzhou Co ltd
Current assignee: Chuangli Electric Appliance Chuzhou Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-05-12
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a novel microchannel heat exchanger and a refrigerator radiating assembly thereof, comprising an air inlet collecting pipe, a liquid outlet collecting pipe, a fishbone bracket, a return pipe, a mounting groove and a fixing hole; two spaced apart fishbone brackets are provided with a plurality of mounting grooves; a return pipe is inserted into the mounting groove; s-shaped return pipe made through aluminum pipe flattening for low in cost processing technology is simple, realizes simultaneously that large tracts of land dispels the heat with air contact, connects at the both ends of return pipe through inlet collector pipe and play liquid collecting pipe, establishes ties with the cooling system of freezer simultaneously, thereby replace original fin heat exchanger and microchannel fin radiator, low-cost manufacturing and the ventilation space of big interval have been realized, make can not pile up fibre dust and particulate matter, guarantee ventilation space 'S air smoothness, thereby can guarantee sufficient heat dissipation area and radiating efficiency, the easy jam of current fin radiator has been solved and has been led to the problem that long-term heat dissipation cooling' S effect is poor.

Description

Novel microchannel heat exchanger and refrigerator radiating component thereof

Technical Field

The utility model relates to the field of commercial refrigerator refrigerating systems, in particular to a novel microchannel heat exchanger and a refrigerator radiating component thereof.

Background

Micro-channels, also known as micro-channel heat exchangers, are heat exchangers with equivalent channel diameters of 10-1000 μm; the flat tube of the heat exchanger is internally provided with dozens of fine flow channels, and the two ends of the flat tube are connected with a round header pipe; a separator is arranged in the header to separate the flow passage of the heat exchanger into a plurality of flows.

The heat exchangers used in commercial refrigerators in the current market are mainly divided into 2 types, namely fin type heat exchangers and micro-channel fin type heat exchangers; the heat-conducting plate has the advantages of good heat-radiating effect, large heat-conducting area, high material cost, complex processing technology, higher whole manufacturing cost, short maintenance period and frequent maintenance.

Because traditional heat exchanger material is copper pipe and aluminium foil, perhaps aluminium pipe adds the aluminium foil, its material cost is higher, and its processing degree of difficulty coefficient is higher secondly, and the technology is comparatively complicated, and all has the fin interval less, easily adsorbs coarse particle material such as dust and catkin, causes the jam of heat exchanger to cause refrigeration effect variation and after-sales maintenance cost to increase.

Disclosure of Invention

The utility model aims to solve the technical problems that the traditional heat exchanger is made of copper pipes and aluminum foils or aluminum pipes and aluminum foils, the material cost is high, the processing difficulty coefficient is high, the process is complex, the space between radiating fins is small, coarse particle substances such as dust and catkin are easy to adsorb, the heat exchanger is blocked, the refrigeration effect is poor, and the after-sales maintenance cost is increased.

In order to achieve the above object, the present utility model is realized by the following technical scheme;

the utility model relates to a novel microchannel heat exchanger and a refrigerator radiating component thereof, which comprise an air inlet collecting pipe, a liquid outlet collecting pipe, a fishbone bracket, a return pipe, a mounting groove and a fixing hole; two spaced apart fishbone brackets are provided with a plurality of mounting grooves; a return pipe is inserted into the mounting groove; two ends of the return pipe are respectively and fixedly connected with an air inlet collecting pipe and a liquid outlet collecting pipe; the fishbone bracket is provided with a plurality of fixing holes.

A refrigerator heat dissipation assembly; the novel micro-channel heat exchanger comprises the novel micro-channel heat exchanger; a housing is fixedly connected to the novel microchannel heat exchanger; a fan assembly is fixedly connected in the housing corresponding to the opening of the novel microchannel heat exchanger; a sealing plate is fixedly connected to the opening side of the housing.

Further, the lower end of the housing is fixedly connected with a cabin bottom plate; an evaporation water box and a compressor are fixedly connected in the cabin bottom plate; the evaporation water box and the compressor are respectively communicated with the liquid outlet collecting pipe and the air inlet collecting pipe; the evaporation water box and the compressor are communicated with each other.

Further, the return pipe is manufactured by bending an aluminum pipe; the return pipe is S-shaped; and two ends of the return pipe are bent in a U shape.

Further, the number of the return pipes is two; the staggered spacing of the return pipes in the vertical direction is equal to half of the thickness of the return pipes.

The utility model provides a novel microchannel heat exchanger and a refrigerator heat dissipation assembly thereof, which are provided with the following components

The beneficial effects are that:

1. the S-shaped return pipe manufactured by flattening the aluminum pipe is low in cost and simple in processing technology, large-area heat dissipation is realized by contacting with air, the air inlet collecting pipe and the liquid outlet collecting pipe are connected to the two ends of the return pipe and are connected in series with a cooling system of the refrigerator, so that the original fin heat exchanger and micro-channel fin heat radiator are replaced, low-cost manufacturing and large-space ventilation space is realized, fiber dust and particulate matters are not accumulated, air smoothness of the ventilation space is ensured, sufficient heat dissipation area and heat dissipation efficiency are ensured, and the problem that the conventional fin heat radiator is easy to block and has poor long-term heat dissipation and cooling effects is solved;

2. according to the utility model, the fan assembly is electrified and rotated to generate air negative pressure to drive air to flow through the novel micro-channel heat exchanger, so that the novel micro-channel heat exchanger is cooled by air, and the air channel is formed by fixedly connecting the housing and the sealing plate, so that the air speed is further improved, and the effect of cooling the novel micro-channel heat exchanger is improved.

Drawings

The following describes the embodiments of the present utility model in further detail with reference to the drawings;

FIG. 1 is a schematic diagram of a front view of a microchannel heat exchanger of the present utility model;

FIG. 2 is a schematic side sectional view of a microchannel heat exchanger according to the present utility model;

FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;

fig. 4 is a schematic structural diagram of a heat dissipation assembly of a refrigerator according to the present utility model;

fig. 5 is an exploded view of the heat exchanger assembly of the present utility model.

The reference numerals in the figures illustrate: 1. an intake collection pipe; 2. a liquid outlet collecting pipe; 3. a fishbone bracket; 4. a return pipe; 5. a mounting groove; 6. a fixing hole; 7. a housing; 8. a fan assembly; 10. a sealing plate; 12. evaporating the water box; 13. a compressor; 14. a nacelle floor.

Detailed Description

It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

The following description of the technical solutions in the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, 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.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up-down-left-right-front-rear … …) are merely used to explain the relative positional relationship between the components, motion, etc. in a specific posture (as shown in the drawings), if the specific posture is changed, the directional indicators correspondingly change, and the connection may be a direct connection or an indirect connection.

Referring to fig. 1-5, a novel microchannel heat exchanger comprises an air inlet collecting pipe 1, an air outlet collecting pipe 2, a fishbone bracket 3, a return pipe 4, a mounting groove 5 and a fixing hole 6; two spaced apart fishbone brackets 3 are provided with a plurality of mounting grooves 5; a return pipe 4 is inserted into the mounting groove 5; two ends of the return pipe 4 are respectively and fixedly connected with an air inlet collecting pipe 1 and a liquid outlet collecting pipe 2; a plurality of fixing holes 6 are formed in the fishbone bracket 3; during operation, S-shaped return pipe 4 of making through the aluminum pipe flattens for low processing technology is simple, realizes simultaneously that large tracts of land dispels the heat with air contact, connects at the both ends of return pipe 4 through inlet collector pipe 1 and play liquid collecting pipe 2, establishes ties simultaneously with the cooling system of freezer, thereby replace original fin heat exchanger and microchannel fin radiator, realized low-cost manufacturing and the ventilation space of large-pitch, make can not pile up fibre dust and particulate matter, guarantee ventilation space' S air smoothness, thereby can guarantee sufficient heat dissipation area and radiating efficiency, solved current fin radiator and blockked up easily and lead to the poor problem of long-term heat dissipation cooling effect.

A refrigerator heat dissipation assembly; the novel micro-channel heat exchanger comprises the novel micro-channel heat exchanger; the novel microchannel heat exchanger is fixedly connected with a housing 7; a fan assembly 8 is fixedly connected in the housing 7 corresponding to the opening of the novel microchannel heat exchanger; a sealing plate 10 is fixedly connected to the opening side of the housing 7; during operation, the fan assembly 8 is electrified to rotate to generate negative air pressure to drive air to flow through the novel micro-channel heat exchanger, so that the novel micro-channel heat exchanger is cooled by air, an air channel is formed by fixedly connecting the housing 7 and the sealing plate 10, the air speed is further improved, and the effect of cooling the novel micro-channel heat exchanger is improved.

The lower end of the housing 7 is fixedly connected with a cabin bottom plate 14; an evaporation water box 12 and a compressor 13 are fixedly connected in the cabin bottom plate 14; the evaporation water box 12 and the compressor 13 are respectively communicated with the liquid outlet collecting pipe 2 and the air inlet collecting pipe 1; the evaporation water box 12 and the compressor 13 are communicated with each other; during operation, through evaporation water box 12 and compressor 13 respectively with go out liquid collecting pipe 2 and intake collecting pipe 1 intercommunication for compressor 13 can normal operating compressed gas accomplish the pressurization circulation function, then cooled down the heat dissipation by novel microchannel heat exchanger, thereby cool down for the freezer, solved current radiator with high costs, long-term use is adsorbed by dust fiber class object easily and is reduced the problem of radiating effect.

The return pipe 4 is manufactured by aluminum pipe bending; the return pipe 4 is S-shaped; both ends of the return pipe 4 are bent in a U shape; during operation, the return pipe 4 is manufactured by bending the aluminum pipe, so that the processing is simple, the material cost is low, and the number of flow channels and the heat exchange are increased, and the heat exchange is more thorough, rapid and uniform; in order to ensure that flat tubes of the whole micro-channel heat exchanger are uniformly distributed, the flat tubes are uniformly arranged in the middle of U-shaped return tubes 4 through fishbone supports 3, the distance between the U-shaped return tubes 4 is consistent, deformation is avoided, the heat exchange circulation effect is better, the distance between the return tubes 4 is larger, coarse particles such as dust, catkin and the like are not easy to adsorb, the problem of blockage of the heat exchanger is solved, the effect of long-term refrigeration is ensured, and the problem that the heat dissipation efficiency is low and the refrigerating effect is poor due to the fact that the existing radiator is easy to adsorb dust and particles is solved.

The number of the return pipes 4 is two; the staggered spacing of the return pipes 4 in the vertical direction is equal to half of the thickness of the return pipes 4; during operation, the staggered space in the vertical direction of the return pipes 4 is equal to half of the thickness of the return pipes 4, so that the contact area between the two return pipes 4 and wind is kept to be maximum, and heat in the return pipes 4 can be rapidly dissipated.

By adopting the scheme, when the novel cooling fin type radiator is used, the S-shaped return pipe 4 manufactured by flattening the aluminum pipe is low in cost, the processing technology is simple, large-area heat dissipation is realized by contacting with air, the air inlet collecting pipe 1 and the liquid outlet collecting pipe 2 are connected to the two ends of the return pipe 4 and are simultaneously connected with the cooling system of the refrigerator in series, so that the original fin type radiator and the micro-channel fin type radiator are replaced, the low-cost manufacturing and large-space ventilation space is realized, fiber dust and particulate matters cannot be accumulated, the air smoothness of the ventilation space is ensured, sufficient heat dissipation area and heat dissipation efficiency can be ensured, and the problem that the long-term heat dissipation and cooling effect is poor due to easy blockage of the conventional fin type radiator is solved; the fan assembly 8 is electrified and rotated to generate negative air pressure to drive air to flow through the novel micro-channel heat exchanger, so that the novel micro-channel heat exchanger is cooled by air, and an air channel is formed by fixedly connecting the housing 7 and the sealing plate 10, so that the air speed is further improved, and the effect of cooling the novel micro-channel heat exchanger is improved; the evaporation water box 12 and the compressor 13 are respectively communicated with the liquid outlet collecting pipe 2 and the air inlet collecting pipe 1, so that the compressor 13 can normally work to compress air to complete a pressurizing circulation function, and then the compressed air is cooled and radiated by the novel microchannel heat exchanger, so that a refrigerator is cooled, the problems that the existing radiator is high in cost and easy to be adsorbed by dust fiber objects for a long time to reduce the radiating effect are solved; the return pipe 4 is manufactured by bending an aluminum pipe, so that the processing is simple, the material cost is low, and the number of flow channels and the heat exchange are increased, and the heat exchange is more thorough, rapid and uniform by bending the two ends of the return pipe 4 in a U shape; in order to uniformly distribute the flat tubes of the whole microchannel heat exchanger, the flat tubes are uniformly arranged in the middle of the U-shaped return tubes 4 through the fishbone brackets 3, so that the distance between the U-shaped return tubes 4 is consistent, deformation is avoided, the heat exchange and circulation effects are better, the distance between the return tubes 4 is larger, coarse particles such as dust, catkin and the like are not easy to adsorb, the problem of blockage of the heat exchanger is solved, the long-term refrigeration effect is ensured, and the problem that the existing radiator is easy to adsorb dust and particles to cause low heat dissipation efficiency and poor refrigeration effect is solved; the staggered spacing of the return pipes 4 in the vertical direction is equal to half of the thickness of the return pipes 4, so that the contact area of the two return pipes 4 with wind is kept to be maximum, and heat in the return pipes 4 can be rapidly dissipated.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. A novel microchannel heat exchanger and a refrigerator heat dissipation assembly thereof are characterized in that; comprises an air inlet collecting pipe (1), a liquid outlet collecting pipe (2), a fishbone bracket (3), a return pipe (4), a mounting groove (5) and a fixing hole (6); two spaced apart fishbone brackets (3) are provided with a plurality of mounting grooves (5); a return pipe (4) is inserted into the mounting groove (5); two ends of the return pipe (4) are respectively and fixedly connected with an air inlet collecting pipe (1) and a liquid outlet collecting pipe (2); a plurality of fixing holes (6) are formed in the fishbone bracket (3).

2. A freezer cooling module which characterized in that: comprising the novel microchannel heat exchanger of claim 1; a housing (7) is fixedly connected to the novel microchannel heat exchanger; a fan assembly (8) is fixedly connected in the housing (7) corresponding to the opening of the novel microchannel heat exchanger; a sealing plate (10) is fixedly connected to the opening side of the housing (7).

3. The cooler heat sink assembly of claim 2, wherein: the lower end of the housing (7) is fixedly connected with a cabin bottom plate (14); an evaporation water box (12) and a compressor (13) are fixedly connected in the cabin bottom plate (14); the evaporation water box (12) and the compressor (13) are respectively communicated with the liquid outlet collecting pipe (2) and the air inlet collecting pipe (1); the evaporation water box (12) and the compressor (13) are communicated with each other.

4. A refrigerator heat sink assembly as claimed in claim 3, wherein: the return pipe (4) is manufactured by bending an aluminum pipe; the return pipe (4) is S-shaped; both ends of the return pipe (4) are U-shaped bent.

5. The cooler heat sink assembly of claim 4, wherein: the number of the return pipes (4) is two; the staggered spacing of the return pipes (4) in the vertical direction is equal to half of the thickness of the return pipes (4).