WO2019042012A1

WO2019042012A1 - Refrigerating system for refrigerator

Info

Publication number: WO2019042012A1
Application number: PCT/CN2018/094717
Authority: WO
Inventors: 朱国梁; 姚君; 江明波; 黄勇
Original assignee: 合肥华凌股份有限公司; 合肥美的电冰箱有限公司; 美的集团股份有限公司
Priority date: 2017-08-28
Filing date: 2018-07-06
Publication date: 2019-03-07

Abstract

A refrigerating system (100) for a refrigerator. The refrigerating system (100) comprises a compressor (1), a condenser assembly (2), an evaporator assembly (3), and a box body (4). The compressor (1), the condenser assembly (2), and the evaporator assembly (3) are integratedly received in the box body (4). The evaporator assembly (3) comprises an evaporator (31). The condenser assembly (2) comprises a condenser (21). The compressor (1), the condenser (21), and the evaporator (31) are connected to form a circulation loop. The box body (4) is mounted outside a body (200) of a refrigerator, and is communicated with a refrigerating chamber in the body (200) by means of an air outlet duct (5) and a return air duct (6).

Description

Refrigeration system for refrigerator

Technical field

The present application relates to the field of household appliances, and in particular to a refrigeration system for a refrigerator.

Background technique

At present, refrigerators have become household appliances commonly used by households. With the increasing demand, the market competition of refrigerators is becoming increasingly fierce, and the requirements of users are also constantly increasing. Customized refrigerators have become a development trend in the market. The exemplary refrigerators are all produced by means of integral foaming. The components of the refrigeration system are distributed in various parts of the box, and each is connected with the box, which not only occupies more space in the refrigerator, but also makes effective space utilization in the box. The rate is low, and the size of the refrigerator is largely limited, so that the size adjustment flexibility of the refrigerator is not high, and the user's customized requirements cannot be met, and the shortcomings such as uncompact structure and inconvenient installation are also provided.

Application content

The main object of the present application is to provide a refrigeration system for a refrigerator, which aims to solve the problems of low dimensional adjustment flexibility, incompetent structure, and inconvenient installation of a conventional refrigerator.

To achieve the above object, the present application provides a refrigeration system for a refrigerator, the refrigeration system including a compressor, a condenser assembly, an evaporator assembly, and a casing, the compressor, the condenser assembly, and the evaporator assembly being integrally housed in In the casing, the evaporator assembly includes an evaporator, the condenser assembly includes a condenser, the compressor, the condenser and the evaporator are connected to form a circulation loop, and the casing is installed in a refrigerator Outside the casing, the casing communicates with the refrigeration chamber in the casing through an air outlet duct and a return air duct.

Optionally, the evaporator assembly further includes a freezing fan and a foam having a cavity, the outlet pipe and the return air pipe are embedded in the foam, and the evaporator is located in the hair In the cavity of the bubble body, the freezing fan is located at one end of the foam, the evaporator is connected to the condenser through a capillary tube, and the evaporator is connected to the compressor through a gas return pipe, Both the capillary tube and the return air tube are pre-buried in the foam body.

Optionally, the evaporator has a V-shaped cross section, the bottom surface of the evaporator is in close contact with the foam body, and an opening is arranged above the foam body, and the top wall of the box body is closed. The opening forms a duct between the top wall of the casing and the foam.

Optionally, the condenser assembly further includes a heat dissipation fan, a bottom of the case is mounted with a base, and the condenser, the heat dissipation fan and the compressor are mounted side by side on the base.

Optionally, the condenser assembly further includes a water receiving tray, the bottom wall of the foam body is provided with a water guiding groove facing one side of the evaporator, and the water guiding tank is connected to the water receiving tray through a drain pipe The condenser is located in the water receiving tray, and the drain pipe is pre-buried in the foam body.

Optionally, the water guiding groove is correspondingly disposed at a corner of the evaporator.

Optionally, one end of the water guiding pipe connecting the drain pipe is inclined downward.

Optionally, a heat dissipation hole is defined in a sidewall of the box body.

Optionally, the heat dissipation holes comprise two groups, one set of the heat dissipation holes are located near the condenser, and another set of the heat dissipation holes are located near the compressor.

Optionally, the box is mounted on top of the outside of the box.

In the technical solution of the present application, the refrigeration system for the refrigerator integrates the compressor, the condenser assembly and the evaporator assembly into the casing, so that a modular and highly integrated and independently operable refrigeration system is formed outside the refrigerator. Because the refrigeration system is located outside the refrigerator, it does not occupy the space in the refrigerator, improves the space utilization rate of the refrigerator, reduces the limitation on the size of the refrigerator, and makes the size adjustment of the refrigerator have high flexibility, and can satisfy the customization of the user. At the same time, the refrigeration system for the refrigerator is small in size, compact in structure, and easy to install. The refrigeration system for a refrigerator of the present application has the advantages of being small in size, compact in structure, easy to install, and advantageous in improving the space utilization of the refrigerator and the dimensional adjustment flexibility of the refrigerator.

DRAWINGS

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings to be used in the embodiments or the prior art description will be briefly described below. Obviously, the drawings in the following description are only It is a certain embodiment of the present application, and other drawings can be obtained according to the structures shown in the drawings without any creative work for those skilled in the art.

1 is a schematic structural view of a refrigerator in an embodiment of the present application;

Figure 2 is a schematic view showing the assembly of the refrigeration system of Figure 1;

Figure 3 is an exploded perspective view of the refrigeration system of Figure 1;

Figure 4 is a schematic view showing the assembly of the cover plate omitted in Figure 3;

Figure 5 is a schematic view showing the assembly of the parts omitted in Figure 3;

Figure 6 is a top plan view of Figure 4;

Figure 7 is a schematic cross-sectional view of A-A of Figure 6;

Figure 8 is a schematic cross-sectional view of B-B of Figure 6.

Description of the reference numerals:

标号Label	名称name	标号Label	名称name
100100	制冷系统Cooling System	11	压缩机compressor
22	冷凝器组件Condenser assembly	21twenty one	冷凝器Condenser
22twenty two	散热风机Cooling fan	23twenty three	接水盘water tray
33	蒸发器组件Evaporator assembly	3131	蒸发器Evaporator
3232	冷冻风机Freezer	3333	发泡体Foam
331331	导水槽Water guide	44	盒体Box
4141	盖板Cover	4242	延伸部Extension
4343	散热孔Vents	55	出风管Air duct
66	回风管Return air duct	77	底座Base
200200	箱体Box

The object of the present application, the features and advantages of the present application will be further described with reference to the accompanying drawings.

Detailed ways

The technical solutions in the present embodiment will be clearly and completely described in the following with reference to the drawings in the embodiments. It is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope are the scope of the present application.

It should be noted that all directional indications (such as up, down, left, right, front, back, ...) in this embodiment are only used to explain the relative relationship between the components in a certain posture (as shown in the drawing). The positional relationship, the motion situation, and the like, if the specific posture changes, the directional indication also changes accordingly.

In addition, the descriptions of "first", "second", and the like in this application are used for descriptive purposes only, and are not to be construed as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include at least one of the features, either explicitly or implicitly. In the description of the present application, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, the terms "connected", "fixed" and the like should be understood broadly, unless otherwise explicitly stated and defined. For example, "fixed" may be a fixed connection, or may be a detachable connection, or may be integrated; It may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship of two elements unless explicitly defined otherwise. For those skilled in the art, the specific meanings of the above terms in the present application can be understood on a case-by-case basis.

In addition, the technical solutions between the various embodiments of the present application may be combined with each other, but must be based on the realization of those skilled in the art, and the combination of technical solutions should be considered when the combination of technical solutions is contradictory or impossible to implement. It does not exist and is not covered by the scope of protection required by this application. It is understood that the specific embodiments described herein are merely illustrative of the application and are not intended to be limiting.

As shown in FIG. 1 to FIG. 5, in order to achieve the above object, the present application provides a refrigeration system for a refrigerator, which includes a compressor 1, a condenser assembly 2, an evaporator assembly 3, and a casing 4, and a compressor 1 The condenser assembly 2 and the evaporator assembly 3 are integrally housed in the casing 4, the evaporator assembly 3 includes an evaporator 31, the condenser assembly 2 includes a condenser 21, and the compressor 1, the condenser 21 and the evaporator 31 are connected to form a circulation. In the circuit, the casing 4 is installed outside the casing 200 of the refrigerator, and the casing 4 communicates with the refrigeration chamber in the casing 200 through the air outlet pipe 5 to send the cooled cold air into the refrigeration chamber, and at the same time, the casing 4 passes. The return air duct 6 communicates with the refrigerating chamber in the casing 200 to suck the air in the refrigerating chamber into the casing 4 for heat exchange.

The refrigeration system for a refrigerator of the present embodiment integrates the compressor 1, the condenser assembly 2 and the evaporator assembly 3 into the casing 4, so that a modular and highly integrated and independently operable refrigeration system is formed outside the refrigerator. 100. Because the refrigeration system 100 is located outside the refrigerator, it does not occupy the space in the refrigerator, improves the space utilization rate of the refrigerator, reduces the limitation on the size of the refrigerator, and makes the size adjustment of the refrigerator have high flexibility and can satisfy the user. Customized requirements, at the same time, the refrigeration system for refrigerators is small, compact and easy to install. The refrigeration system for a refrigerator of the present application has the advantages of being small in size, compact in structure, easy to install, and advantageous in improving the space utilization of the refrigerator and the dimensional adjustment flexibility of the refrigerator.

As shown in FIG. 3 to FIG. 6 , in the embodiment, the evaporator assembly 3 further includes a freezing fan 32 and a foam 33 having a cavity, and the air outlet pipe 5 and the return air pipe 6 are embedded in the foam body 33, The evaporator 31 is located in the cavity of the foam 33, the freezing fan 32 is located at one end of the foam 33, the evaporator 31 is connected to the condenser 21 through a capillary tube, and the evaporator 31 is connected to the compressor 1 through a return pipe, a capillary tube and The return air pipes are all embedded in the foam 33. A drying filter is also installed between the capillary tube and the condenser 21 of the embodiment, and the drying filter can purify the refrigerant in the pipeline: filtering impurities and moisture therein to prevent the system from being contaminated by water during operation. Exceeding the standard, the pipeline is blocked and the system is not working properly.

When the refrigeration system 100 is in operation, the gaseous refrigerant is sucked into the compressor 1 from the evaporator 31 through the return pipe, compressed into high temperature and high pressure steam, and then discharged from the compressor 1 into the condenser 21. The refrigerant is dissipated by the condenser 21 to become a liquid medium at medium temperature and medium pressure, and then enters the capillary through the drying filter, and is subjected to capillary throttling and depressurization, and then enters the evaporator 31 to vaporize and diffuse, and simultaneously absorbs heat in the refrigerating chamber into a low-temperature and low-pressure gas state. The refrigerant is again sucked and compressed by the compressor 1 through the return pipe to complete the refrigeration cycle.

As shown in FIG. 5, the present embodiment includes three return air ducts 6 and one air outlet duct 5, one end of each return air duct 6 is connected to one end of the evaporator 31 away from the freezing fan 32, and the air outlet duct 5 is located close to the freezing fan. One end of 32 is located directly below the freezing fan 32. The freezing fan 32 is configured to blow cold air cooled by the evaporator 31 into the cooling chamber through the air outlet pipe 5 for heat exchange, and the air in the cooling chamber enters the evaporator 31 through the return air pipe 6 away from the end of the freezing fan 32, and then After being cooled by the evaporator 31, the refrigeration fan 32 is blown into the refrigeration chamber through the air outlet pipe 5, and the reciprocating cycle is operated to ensure that the temperature in the refrigeration chamber satisfies the requirements.

As shown in FIG. 3 to FIG. 8, in the present embodiment, the evaporator 31 has a V-shaped cross section, and the bottom surface of the evaporator 31 is in close contact with the foam 33, that is, the side of the foam 33 adjacent to the evaporator 31 is matched. The bottom surface of the evaporator 31 is closely attached, and the heat exchange area of the evaporator 31 is large, and the heat exchange efficiency is high. An opening is provided above the foam 33, the top wall of the casing 4 closes the opening, and a wind passage is formed between the top wall of the casing 4 and the foam 33. The side wall of the casing 4 of the present embodiment is formed by bending a sheet metal member, and includes a cover plate 41 for closing the opening thereof. The sheet metal member has two oppositely extending portions 42. The extension portion 42 is bent and then The cover 41 is fixed, and an air passage is formed between the cover 41 and the foam 33. Optionally, the cover plate 41 is provided with a convex portion having a V-shaped cross section matching the evaporator 31 toward one side of the foam body 33, so that the air passage forms a uniform passage to facilitate the heat exchange.

The condenser assembly 2 of the embodiment further includes a heat dissipating fan 22, and the bottom of the box body 4 is mounted with a base 7, and the condenser 21, the heat dissipating fan 22 and the compressor 1 are mounted side by side on the base 7, and the layout and installation manner are reasonable and compact. . The condenser assembly 2 further includes a water receiving tray 23 on the bottom wall of the foam body 33 facing the evaporator 31, and a side of the foam body 33 which is in close contact with the evaporator 31 is provided with a water guide 331, and the water guide 331 passes through the drain pipe. Connected to the water receiving tray 23, the condenser 21 is located in the water receiving tray 23, and the drain pipe is embedded in the foam body 33. The defrosted water of the evaporator 31 flows into the drain pipe through the water guide 331, and then flows into the water receiving tray 23 through the drain pipe. The condenser 21 is located in the water receiving tray 23, which facilitates heat dissipation of the condenser 21 on the one hand, and facilitates water receiving on the other hand. The water in the tray 23 evaporates.

Optionally, the water guiding groove 331 of the present embodiment is correspondingly disposed at a corner of the evaporator 31, that is, the water guiding groove 331 is correspondingly disposed at a sharp corner of the V-shaped evaporator 31, and the water droplets on the evaporator 31 are along the evaporator 31. The inclined surface of the self flows into the water guide 331 to facilitate collection of the defrosting water of the evaporator 31. Further, the one end of the water guide 331 connected to the drain pipe is inclined downward to facilitate the flow of the collected defrosted water into the drain pipe.

In this embodiment, the side wall of the casing 4 is provided with a heat dissipation hole 43. Further, the heat dissipation hole 43 includes two groups, and a group of heat dissipation holes 43 are located near the condenser 21 to facilitate heat dissipation of the condenser 21. A set of louvers 43 are located close to the compressor 1 to facilitate heat dissipation of the compressor 1. The heat dissipation holes 43 of the embodiment may be strip-shaped holes formed on the side walls of the casing 4, and may also be circular holes, square holes or other shapes for facilitating heat dissipation.

As shown in Fig. 1, the casing 4 of the present embodiment is mounted on the top of the casing 200, and the outlet duct 5 and the return duct 6 extending from the casing 4 extend through the top wall of the casing 200 into the refrigerating chamber. The structure is reasonable, compact and easy to install.

The above is only a preferred embodiment of the present application, and is not intended to limit the scope of the patent application, and the equivalent structure or equivalent process transformations made by the specification and the drawings of the present application, or directly or indirectly applied to other related technical fields. The same is included in the scope of patent protection of this application.

Claims

A refrigeration system for a refrigerator, wherein the refrigeration system includes a compressor, a condenser assembly, an evaporator assembly, and a casing, and the compressor, the condenser assembly, and the evaporator assembly are integrally housed in the casing, The evaporator assembly includes an evaporator, the condenser assembly includes a condenser, the compressor, the condenser, and the evaporator are connected to form a circulation loop, and the cartridge is installed outside the casing of the refrigerator. The casing communicates with the refrigeration chamber in the casing through an air outlet duct and a return air duct.
A refrigeration system for a refrigerator according to claim 1, wherein said evaporator assembly further comprises a freezing fan and a foam having a cavity, said outlet duct and said return duct being embedded in said a foam, the evaporator is located in a cavity of the foam, the freezing fan is located at one end of the foam, the evaporator is connected to the condenser through a capillary, and the evaporator The compressor is connected to the compressor through a return pipe, and the capillary tube and the return gas pipe are both embedded in the foam body.
A refrigeration system for a refrigerator according to claim 2, wherein said evaporator has a V-shaped cross section, and a bottom surface of said evaporator is in close contact with said foam, and said foam is provided above said foam There is an opening, a top wall of the casing closes the opening, and a wind passage is formed between the top wall of the casing and the foam.
A refrigeration system for a refrigerator according to claim 3, wherein said condenser assembly further comprises a heat radiating fan, a bottom portion of said casing is mounted with a base, said condenser, said heat radiating fan and said compressor Installed side by side on the base.
A refrigeration system for a refrigerator according to claim 3, wherein said condenser assembly further comprises a water receiving tray, and a bottom wall of said foam body is provided with a water guiding groove toward one side of said evaporator, The water guiding trough is connected to the water receiving tray through a drain pipe, the condenser is located in the water receiving tray, and the drain pipe is pre-buried in the foam body.
A refrigeration system for a refrigerator according to claim 5, wherein said water guiding groove is disposed at a corner of said evaporator.
The refrigeration system for a refrigerator according to claim 5, wherein one end of the water guide connected to the drain pipe is inclined downward.
The refrigeration system for a refrigerator according to claim 3, wherein a heat dissipation hole is formed in a side wall of the casing.
The refrigeration system for a refrigerator according to claim 8, wherein the heat dissipation holes comprise two groups, one set of the heat dissipation holes are located near the condenser, and another set of the heat dissipation holes are located near the The position of the compressor.
A refrigeration system for a refrigerator according to claim 3, wherein said casing is mounted on the top of said casing.
The refrigeration system for a refrigerator according to claim 2, wherein a heat dissipation hole is formed in a side wall of the casing.
The refrigeration system for a refrigerator according to claim 11, wherein the heat dissipation holes comprise two groups, one set of the heat dissipation holes are located near the condenser, and another set of the heat dissipation holes are located near the The position of the compressor.
A refrigeration system for a refrigerator according to claim 2, wherein said casing is mounted on the top of said casing.
The refrigeration system for a refrigerator according to claim 1, wherein a heat dissipation hole is formed in a side wall of the casing.
The refrigeration system for a refrigerator according to claim 14, wherein the heat dissipation holes comprise two groups, one set of the heat dissipation holes are located near the condenser, and another set of the heat dissipation holes are located near the The position of the compressor.
A refrigeration system for a refrigerator according to claim 1, wherein said casing is mounted on a top of said casing.