CN108332493A - A kind of cooling system for double-compressor refrigerator - Google Patents

Abstract

The invention discloses a cooling system for a double-compressor refrigerator, and relates to the technical field of refrigeration equipment. Including the first compressor, the second compressor, the first condenser, the second condenser and the fan assembly, the first compressor and the second compressor are installed on the upper surface of the compressor bottom plate; Water tray; the fan assembly, the first condenser and the second condenser are installed on the upper surface of the water receiving tray; Road and side air outlet. The invention sucks cold air from the air inlet and the side air inlet duct respectively through the fan assembly, and blows out the hot air in the compressor chamber from the air outlet and the side air outlet duct to form an effective air circulation and realize the maintenance of the compressor. And the forced heat dissipation of the condenser, thereby greatly improving the working efficiency of the compressor and the heat exchange efficiency of the condenser, and reducing the energy consumption of the whole machine.

Description

A cooling system for double-compressor refrigerators

technical field

The invention belongs to the technical field of refrigeration equipment, in particular to a cooling system for a double-compressor refrigerator.

Background technique

At present, most refrigerators on the market use a compressor, a condenser, etc. to form an independent refrigeration system. The use of one compressor for a large-capacity refrigerator may cause insufficient cooling or uneven cooling. Most of the existing dual-compressor refrigerators adopt a fully built-in heat dissipation or a combination of internal and external heat dissipation, but the insufficient built-in heat dissipation will easily reduce the working efficiency of the compressor. For the thin-walled refrigerators that are becoming more and more popular, the thickness of the two sides of the refrigerator is limited, so it is not suitable to use the built-in condenser; for free embedded refrigerators, the distance between the two sides of the refrigerator and the cabinet in the embedded state should be smaller than the distance required by the built-in condenser for heat dissipation.

In order to overcome the shortcomings of the above-mentioned prior art, the present invention provides a cooling system for a double-compressor refrigerator. By adopting dual compressors and a fully external forced cooling method, the effect of thinning the two side walls of the refrigerator and Realize the forced heat dissipation of the compressor and condenser, thereby greatly improving the working efficiency of the compressor and the heat exchange efficiency of the condenser, and reducing the energy consumption of the whole machine.

Contents of the invention

The purpose of the present invention is to provide a heat dissipation system for a double-compressor refrigerator. Through the functions of the fan assembly, the side air inlet air duct and the side air outlet air duct, the side air intake air duct sucks in cold air and compresses it. The hot air is blown out from the side air duct to form an effective air circulation, and the dual compressors and all external forced heat dissipation methods are adopted to realize the forced heat dissipation of the compressor and condenser , thereby greatly improving the working efficiency of the compressor and the heat exchange efficiency of the condenser, reducing the energy consumption of the whole machine, and solving the problem of using dual compressors in thin-wall refrigerators and free built-in refrigerators.

In order to solve the problems of the technologies described above, the present invention is achieved through the following technical solutions:

The present invention is a heat dissipation system for a double-compressor refrigerator, comprising a first compressor, a second compressor, a first condenser, a second condenser and a fan assembly, the first compressor and the second compressor fixedly installed on the upper surface of the compressor bottom plate; the upper surface of the compressor bottom plate is fixedly connected with a water pan; the upper surface of the water pan is respectively fixed with a fan assembly, a first condenser and a second condenser;

The bottom plate of the compressor is fixedly installed on the bottom of the refrigerator box; the opposite side of the bottom of the refrigerator box is respectively provided with a side air inlet air duct and a side air outlet air duct; a surface of the bottom of the refrigerator box is fixedly installed With compressor back cover;

The first condenser, the second condenser, and the side surfaces of the fan assembly are fixedly connected with sealing strips; A closed ventilation duct is formed between the back cover of the compressor and the side air outlet duct, which is conducive to the stability of the air circulation and improves the heat dissipation effect.

Further, the fan assembly adopts an axial flow fan; the axial flow fan adopts the method of forced heat dissipation; the axial flow fan has slow ventilation, good cooling effect, low unit energy consumption, easy to control the timing of ventilation, and is not prone to knots. The advantages of dew, convenience and flexibility; while slow ventilation, it greatly reduces the dust entering the side air intake duct; thus greatly slowing down the deposition of dust.

Further, the side air intake duct is a rectangular frame structure; the inner surface of the side air intake duct is fixedly connected with a row of baffles; the cross section of the baffles is a parallelogram or isosceles trapezoidal structure; the baffles The board is placed vertically and away from the direction of the air outlet; a dust-proof net is fixedly installed on the outer surface of the side air inlet air duct; the dust-proof net is a concave structure; the length of the dust-proof net is longer than the side air inlet air duct The length of the dust-proof net is 1cm-10cm greater; the height of the dust-proof net is 1cm-20cm greater than the height of the side air intake duct; the thickness of the dust-proof net is 1mm-20mm; the area of the dust-proof net is larger than that of the side side The function of the air inlet duct is to increase the area of the air inlet and relatively reduce the speed of the air inlet, so that the dust in the air circulation is easy to attach to the dust-proof net and the baffle; and the dust-proof net is fixed on the side by screws The outer side of the air inlet duct is easy to disassemble and clean, and when the cross-section of the baffle plate is an isosceles trapezoidal structure, it is convenient to wipe with a rag, which has the advantages of slowing down dust deposition and facilitating dust cleaning; the effect of the small thickness of the dust-proof net is , to avoid inconvenient effects caused by large thickness.

Further, the side air outlet duct is a rectangular frame structure; the inner surface of the side air outlet duct is uniformly provided with wind deflectors; the wind guide plates of the side air outlet are placed horizontally and direction up.

Further, one surface of the rear cover of the compressor has an air inlet and an air outlet in a rectangular array; the direction of the air inlet is horizontal and away from the direction of the air outlet; the direction of the air outlet is vertically upward.

Further, the dual-compressor refrigerator used in the heat dissipation system of the dual-compressor refrigerator of the present invention includes two sets of refrigeration systems, each of which includes a compressor, a condenser, a capillary tube, and an evaporator and other components.

The present invention has the following beneficial effects:

1. The present invention realizes the forced heat dissipation of dual compressors and condensers by adopting dual compressors and a fully external forced heat dissipation method. It has the advantages of simple structure and low cost, and can meet the advantages of using dual compressors in thin-walled and embedded refrigerators .

2. The present invention adopts the function of the axial flow fan through the fan assembly to forcefully dissipate heat to the compressors and condensers on both sides. The structural layout is reasonable, and the working efficiency of the compressor and the heat exchange efficiency of the condenser are effectively improved.

3. In the present invention, the side air inlet duct and the side air outlet duct, as well as the air inlet and outlet of the compressor back cover, reasonably design the air guide structure of the air inlet and outlet, so that the air inlet and outlet are separated to avoid short circuit of the air path, Improve cooling efficiency.

Of course, any product implementing the present invention does not necessarily need to achieve all the above-mentioned advantages at the same time.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that are required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without any creative effort.

Fig. 1 is a structural schematic diagram of a cooling system for a dual-compressor refrigerator of the present invention;

Fig. 2 is a structural schematic diagram of the refrigerator cabinet, the side air outlet duct and the rear cover of the compressor;

Fig. 3 is the structure right view of Fig. 1;

Fig. 4 is a schematic structural view of the side air intake duct;

Fig. 5 is the structural representation of dustproof net;

In the accompanying drawings, the list of parts represented by each label is as follows:

1-refrigerator box, 2-fan assembly, 3-side air inlet duct, 4-side air outlet duct, 5-compressor bottom plate, 6-water tray, 7-first compressor, 8- Second compressor, 9-First condenser, 10-Second condenser, 11-Compressor rear cover, 12-Sealing strip, 301-Baffle, 302-Dust filter, 401-Wind deflector, 1101 - air inlet, 1102 - air outlet.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

In describing the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "surrounding" etc. Indicating orientation or positional relationship is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as limiting the present invention .

Please refer to Figs. 1-5, the present invention is a cooling system for a dual-compressor refrigerator, including a first compressor 7, a second compressor 8, a first condenser 9, a second condenser 10 and a fan The assembly 2 is characterized in that: the first compressor 7 and the second compressor 8 are fixedly installed on the upper surface of the compressor bottom plate 5; the upper surface of the compressor bottom plate 5 is fixedly connected with a water tray 6; the upper surface of the water tray 6 is respectively The fan assembly 2, the first condenser 9 and the second condenser 10 are fixedly installed;

The compressor bottom plate 5 is fixedly installed on the bottom of the refrigerator box 1; the bottom and opposite sides of the refrigerator box 1 are respectively provided with a side air inlet air duct 3 and a side air outlet air duct 4; the bottom and a surface of the refrigerator box 1 are fixedly installed There is a compressor back cover 11;

The sides of the first condenser 9, the second condenser 10, and the fan assembly 2 are fixedly connected with sealing strips 12; Airtight air ducts are formed between the machine base plate 5, the compressor back cover 11 and the side air outlet air duct 4, which is conducive to the stability of the wind circulation and improves the heat dissipation effect.

Among them, the fan assembly 2 adopts an axial flow fan; the axial flow fan performs forced heat dissipation on the compressors and condensers on both sides; the axial flow fan has slow ventilation, good cooling effect, low unit energy consumption, easy to grasp the ventilation timing, and is not easy to occur Condensation, convenient and flexible advantages; slow ventilation, greatly reducing dust entering the side air intake duct 3; thus greatly slowing down the deposition of dust.

As shown in Figure 3-5, the side air intake duct 3 is a rectangular frame structure; the inner surface of the side air intake duct 3 is fixedly connected with a row of baffles 301; the cross section of the baffles 301 is parallelogram or isosceles trapezoid Structure; the baffle plate 301 is placed vertically and faces away from the direction of the air outlet 1102; a dust-proof net 302 is fixedly installed on the outer surface of the side air inlet duct 3; the dust-proof net 302 is a concave structure; the length of the dust-proof net 302 is longer than that of the side gang The length of the air inlet duct 3 is 1cm-10cm larger; the height of the dustproof net 302 is 1cm-20cm greater than the height of the side air inlet duct 3; the thickness of the dustproof net 302 is 1mm-20mm; the area of the dustproof net 302 The effect of being larger than the side air inlet air duct 3 is to increase the area of the air inlet, which relatively weakens the air inlet speed, so that the dust in the wind circulation is easy to attach to the dust-proof net 302 and the baffle plate 301; and the dust-proof net 302 It is fixed and installed on the outer side of the side air inlet duct 3 by screws, which is easy to disassemble and clean, and when the cross section of the baffle is an isosceles trapezoidal structure, it is convenient to wipe with a rag, which has the advantages of slowing down dust deposition and convenient cleaning of dust; dust-proof net The effect of the smaller thickness of 302 is to avoid the inconvenient influence caused by the larger thickness.

Wherein as shown in Figure 1, the side air outlet duct 4 is a rectangular frame structure; the inner surface of the side air outlet duct 4 is uniformly provided with a wind deflector 401; Oriented horizontally and facing upwards.

As shown in Figure 2, the rear cover 11 of the compressor has air inlets 1101 and air outlets 1102 in a rectangular array on the surface; the orientation of the air inlet 1101 is horizontal and away from the direction of the air outlet 1102; the orientation of the air outlet 1102 is vertically upward.

Preferably, the first compressor 7 and the second compressor 8 of the dual compressors in this embodiment are respectively located on opposite sides of the upper surface of the compressor floor 5; the first condenser 9 and the second condenser 10 are respectively located on the adjacent On opposite sides of the upper surface of the water tray 6 ; the fan assembly 2 is located in the middle of the upper surface of the water tray 6 , and this arrangement is the best arrangement for heat dissipation.

Preferably, the first compressor 7 and the second compressor 8 of the dual compressors can also be located side by side on the side of the upper surface of the compressor bottom plate 5 near the side air outlet air duct 4; the first condenser 9 and the second condenser The device 10 is respectively located on opposite sides of the upper surface of the water receiving tray 6 or is located side by side on the upper surface of the water receiving tray 6 near the side air inlet air duct 3; the fan assembly 2 is located on the other side of the upper surface of the water receiving tray 6 side.

Preferably, the arrangement of the water tray 6, the first compressor 7 and the second compressor 8 on the upper surface of the compressor bottom plate 5 can be combined into a variety of different arrangements for the purpose of maximizing heat dissipation effect, maximizing energy saving, etc. Mode; the arrangement of the first condenser 9, the second condenser 10 and the fan assembly 2 on the upper surface of the water tray 6 can be combined into a variety of different arrangements for the purpose of maximizing the heat dissipation effect and maximizing energy saving.

In the description of this specification, descriptions with reference to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment of the present invention. In an embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are only to help illustrate the invention. The preferred embodiments are not exhaustive in all detail, nor are the inventions limited to specific embodiments described. Obviously, many modifications and variations can be made based on the contents of this specification. This description selects and specifically describes these embodiments in order to better explain the principle and practical application of the present invention, so that those skilled in the art can well understand and utilize the present invention. The invention is to be limited only by the claims, along with their full scope and equivalents.

Claims (5)

1. A cooling system for a double compressor refrigerator, comprising a first compressor (7), a second compressor (8), a first condenser (9), a second condenser (10) and a fan assembly ( 2), characterized in that: the first compressor (7) and the second compressor (8) are fixedly installed on the upper surface of the compressor bottom plate (5); the upper surface of the compressor bottom plate (5) is fixedly connected with A water receiving tray (6); the upper surface of the water receiving tray (6) is respectively fixed with a fan assembly (2), a first condenser (9) and a second condenser (10); The compressor bottom plate (5) is fixedly installed on the bottom of the refrigerator box (1); the opposite side of the bottom of the refrigerator box (1) is respectively provided with a side air inlet air duct (3) and a side air outlet air duct (3). Road (4); a compressor rear cover (11) is fixedly installed on a surface of the bottom of the refrigerator box (1); Sealing strips (12) are fixedly connected to the side surfaces of the first condenser (9), the second condenser (10) and the fan assembly (2). 2. A heat dissipation system for a dual-compressor refrigerator according to claim 1, wherein the fan assembly (2) adopts an axial flow fan; and the axial flow fan adopts a forced heat dissipation method. 3. A heat dissipation system for dual-compressor refrigerators according to claim 1, characterized in that, the side air intake duct (3) is a rectangular frame structure; the side air intake duct ( 3) A row of baffles (301) is fixedly connected to the inner surface; the cross-section of the baffles (301) is a parallelogram or isosceles trapezoidal structure; the baffles (301) are placed vertically and away from the air outlet (1102) Direction; a dustproof net (302) is fixedly installed on the outer surface of the side air inlet duct (3); the dustproof net (302) is a concave structure; the length of the dustproof net (302) is longer than that of the side gang The length of the air inlet duct (3) is 1cm-10cm larger; the height of the dustproof net (302) is 1cm-20cm larger than the height of the side air inlet duct (3); the dustproof net (302) is The thickness is 1mm-20mm. 4. A kind of cooling system for dual-compressor refrigerator according to claim 1, characterized in that, the side air outlet air duct (4) is a rectangular frame structure; the side air outlet air duct ( 4) Wind deflectors (401) are uniformly arranged on the inner surface; the wind deflectors (401) are placed horizontally and directed upward. 5. A heat dissipation system for a dual-compressor refrigerator according to claim 1, characterized in that, one surface of the compressor back cover (11) has air inlets (1101) and air outlets (1102) in a rectangular array, respectively. ); the direction of the air inlet (1101) is horizontal and away from the direction of the air outlet (1102); the direction of the air outlet (1102) is vertically upward.