CN211552170U

CN211552170U - Dual-purpose refrigerator for refrigerating and heating

Info

Publication number: CN211552170U
Application number: CN201922302605.7U
Authority: CN
Inventors: 揭万宇
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-22
Anticipated expiration: 2029-12-19

Abstract

The utility model provides a dual-purpose refrigerator heats refrigerates relates to refrigerator technical field, and the refrigerator that has existed among the prior art is heated and need switch cold and hot end when thawing apparatus heats, the poor technical problem of actual use nature. The refrigerator comprises a box body and a heat exchange circulating system, wherein a refrigerating chamber and a dual-purpose chamber which are mutually isolated are arranged in the box body, the heat exchange circulating system comprises a compressor, an evaporator, a condenser assembly, a switching valve and an auxiliary heating element, a refrigerant is driven by the compressor to circularly flow in the heat exchange circulating system, the condenser assembly comprises a first condenser and a second condenser which is used for directly radiating the outside of the refrigerator, the first condenser and the auxiliary heating element are used for generating hot air for the dual-purpose chamber, the switching valve is connected between an outlet end of the compressor and the condenser assembly, and the switching valve can enable the refrigerant to pass through the first condenser and/or the second condenser when the refrigerant circularly flows in the heat exchange circulating system.

Description

Dual-purpose refrigerator for refrigerating and heating

Technical Field

The utility model belongs to the technical field of the refrigerator technique and specifically relates to a dual-purpose refrigerator heats.

Background

The refrigerator is widely used because it can store food at a low temperature. An existing refrigerator generally has only a refrigerating chamber, a freezing chamber and the like for maintaining the temperature in the refrigerator at a specific temperature, and a common way for realizing a low temperature effect of the refrigerating chamber in the refrigerator is a refrigerating cycle system. The refrigeration cycle includes a compressor, a condenser, an evaporator, and the like, which are connected to a pipe through which a refrigerant flows. During refrigeration, refrigerant is compressed into high-temperature and high-pressure gas by a compressor, then passes through a condenser, is throttled and decompressed, passes through an evaporator and returns to the compressor, and a refrigeration cycle is completed. The condenser is a high-temperature refrigerant and exchanges heat with the air outside the refrigerator to dissipate heat, and the evaporator is a low-temperature refrigerant and exchanges heat with the air in the storage chamber in the refrigerator to refrigerate.

With the development of society, people have higher and higher requirements on living quality, and the conventional refrigerator cannot meet the requirements of diversification and individuation of food storage in the family life of people, such as: the remaining food is usually stored in a refrigerator when being eaten at ordinary times, but the food is not as sanitary and as delicious as before no matter being eaten in cold or being eaten again; in addition, the user also needs a certain temperature to heat the frozen food when unfreezing, at present, the food is taken out of the refrigerator and then put into a proper container for heating, and the convenience of the user is poor due to frequent moving of the food. In addition, the functional requirements on the refrigerator are higher and higher, for example, yogurt production, pickle production and the like are carried out by depending on the refrigerator, the required temperature is higher, for example, the optimal temperature for yogurt production is 43 ℃, the food production of the type needs specific temperature requirements, and the conventional refrigerator (temperature zone-24-10 ℃) cannot meet the requirements.

The patent No. 01140057.9 discloses a heating and thawing device for a dual-purpose air conditioner and refrigerator, and the applicant finds that the device has at least the following technical problems:

the practical applicability is poor, the cold and hot ends need to be switched, and the refrigeration and the heating cannot be carried out simultaneously. At present, the temperature of the refrigerator equipped room is generally the highest wine storage room and the lowest freezing room; however, in winter, the refrigerator is not used frequently, and it is very inconvenient for a user to thaw food or hot drinks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual-purpose refrigerator heats to the refrigerator that exists among the solution prior art heats thawing apparatus and need switch cold and hot end when heating, the poor technical problem of practical application nature. The utility model provides a plurality of technical effects that preferred technical scheme among a great deal of technical scheme can produce see the explanation below in detail.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a dual-purpose refrigerator for refrigerating and heating, including box and heat exchange circulation system, have the refrigeration room and the dual-purpose room of mutual isolation in the box, wherein, heat exchange circulation system includes compressor, evaporimeter, condenser subassembly, switching valve and auxiliary heating element, the compressor drive refrigerant is in heat exchange circulation system inner loop flows, the condenser subassembly includes first condenser and is used for directly to the second condenser of refrigerator outside heat dissipation, first condenser with the auxiliary heating element is used for giving dual-purpose room production hot-air, switching valve connects the exit end of compressor with between the condenser subassembly and switching valve enables the refrigerant pass through first condenser and/or second condenser when heat exchange circulation system inner loop flows, the condenser assembly is connected with the evaporator, and the evaporator is connected with the inlet end of the compressor.

Preferably, the first condenser and the second condenser are arranged in parallel, and the input end of the first condenser and the input end of the second condenser are respectively communicated with the two output ends of the switching valve.

Preferably, a first partition plate and a second partition plate are arranged in the box body, a freezing chamber is formed between the first partition plate and the top wall of the cavity of the box body, a refrigerating chamber is formed between the cavity of the first partition plate and the cavity of the second partition plate, and the dual-purpose chamber is formed between the second partition plate and the bottom wall of the cavity of the box body.

Preferably, an air duct assembly is arranged in the box body, wherein the air duct assembly comprises a freezing air duct arranged between the side wall of the freezing compartment and the side wall of the box body, a refrigerating air duct arranged between the side wall of the refrigerating compartment and the side wall of the box body, and a variable temperature air duct arranged between the side wall of the dual-purpose compartment and the side wall of the box body, the freezing air duct is communicated with the freezing compartment, the freezing air duct and the refrigerating air duct are both communicated with the evaporator, and air doors are arranged at the joint of the freezing air duct and the refrigerating air duct and at the joint of the refrigerating air duct and the variable temperature air duct.

Preferably, the side wall of the dual-purpose chamber includes a foaming layer, and the first condenser and the auxiliary heating element are both disposed in the foaming layer of the side wall of the dual-purpose chamber.

Preferably, the first condenser is a coiled pipe type or a plate pipe type, and the switching valve is a three-way reversing valve.

Preferably, the auxiliary heating element is a heating tube or a heating wire.

Preferably, a capillary tube and a condensation preventing tube are arranged between the condenser assembly and the evaporator, the condensation preventing tube is arranged between the condenser assembly and the capillary tube, and the capillary tube is connected with the inlet end of the evaporator.

Preferably, a temperature detection device is arranged in the dual-purpose chamber.

Preferably, the first and second partitions are heat insulating materials.

The utility model provides a dual-purpose refrigerator heats, including box and heat transfer circulation system, have the refrigeration room and the dual-purpose room of keeping apart each other in the box, wherein, heat transfer circulation system includes the compressor, the evaporimeter, the condenser subassembly, switching valve and auxiliary heating element, the condenser subassembly includes first condenser and is used for directly to the radiating second condenser of refrigerator outside, the compressor drive refrigerant is at heat transfer circulation system inner loop flow, make evaporimeter and air heat transfer produce cold air, first condenser and auxiliary heating element are used for producing hot-air for dual-purpose room. In this way, the cold air produced by the evaporator can provide a low temperature effect for the refrigerated compartment and the hot air produced by the first condenser and the auxiliary heating element can provide a high temperature effect for the dual-purpose compartment. Therefore, hot air generated by the first condenser accompanying the refrigeration of the refrigerator compartment is fully utilized, the high-temperature effect of the dual-purpose compartment is realized, and then articles needing high-temperature storage can be stored in the dual-purpose compartment. Meanwhile, resources (heat generated by the first condenser) are reasonably utilized, and energy waste is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a refrigerator for both cooling and heating provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a heat exchange cycle system provided by an embodiment of the present invention.

Reference numerals: 1. a machine room; 2. a compressor; 3. switching valves; 4. a second condenser; 5. a refrigerated compartment; 6. an air duct assembly; 7. an evaporator; 8. an anti-condensation pipe; 9. a capillary tube; 10. a first separator; 11. a second separator; 12. a first condenser; 13. a dual-purpose chamber; 14. a freezing compartment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides a dual-purpose refrigerator for refrigeration and heating, including box and heat exchange circulation system, have refrigeration room and dual-purpose room of mutual isolation in the box, wherein, heat exchange circulation system includes compressor 2, evaporimeter 7, condenser subassembly, switching valve 3 and auxiliary heating element, compressor 2 drives the refrigerant and circulates in heat exchange circulation system, the condenser subassembly includes first condenser 12 and is used for the second condenser 4 of direct heat dissipation to the refrigerator outside, first condenser 12 and auxiliary heating element are used for producing the hot air for dual-purpose room, switching valve 3 is connected between the exit end of compressor 2 and condenser subassembly and switching valve 3 can make the refrigerant pass through first condenser 12 and/or second condenser 4 when the circulation of heat exchange circulation system flows, the condenser subassembly links to each other with evaporimeter 7, the evaporator 7 is connected to the inlet end of the compressor 2. The back of the dual-purpose chamber is provided with a machine chamber 1, wherein a compressor 2 and a switching valve 3 are arranged in the machine chamber 1. The compressor 2 drives the refrigerant to circularly flow in the heat exchange circulating system, so that the evaporator 7 exchanges heat with air to generate cold air, and the first condenser 12 and the auxiliary heating element are used for generating hot air for the dual-purpose chamber. In this way, the cold air produced by the evaporator 7 can provide a low temperature effect of the refrigerated compartment and the hot air produced by the first condenser 12 and the auxiliary heating element can provide a high temperature effect of the dual-purpose compartment. Therefore, hot air generated by the first condenser 12 accompanying the refrigeration of the refrigeration compartment of the refrigerator is fully utilized, the high-temperature effect of the dual-purpose compartment is realized, and then the dual-purpose compartment can store articles and the like needing high-temperature storage. Meanwhile, resources (heat generated by the first condenser 12) are reasonably utilized, and energy waste is avoided.

It should be noted that, in the dual-purpose refrigerator according to the embodiment of the present invention, the number of the refrigeration compartments and the dual-purpose compartments is at least one, two refrigeration compartments are provided, and one dual-purpose compartment is provided; referring to fig. 1, a first partition plate 10 and a second partition plate 11 are arranged in the box body, a freezing chamber 14 is formed between the first partition plate 10 and the top wall of the cavity of the box body, a refrigerating chamber 5 is formed between the first partition plate 10 and the second partition plate 11, and a dual-purpose chamber is formed between the second partition plate 11 and the bottom wall of the cavity of the box body. The cavity in the box body of the original refrigerator is modified into two refrigerating chambers and a dual-purpose chamber, so that the whole occupied space of the box body is not influenced, and the function is easy to realize. In addition, the refrigerating chamber 5 is adjacent to the dual-purpose chamber, so that the heat exchange temperature difference is reduced, and the larger temperature fluctuation is avoided.

In order to realize the heating effect of dual-purpose room with the hot-air make full use of that the condenser subassembly produced, the utility model discloses set up new condenser alone in dual-purpose room, also be exactly first condenser 12 in this application, can flow first condenser 12 control through the control refrigerant and whether heat to dual-purpose room, make things convenient for dual-purpose room as other usage, for example normal atmospheric temperature storage article, heating food etc.. Specifically, referring to fig. 2, the condenser assembly includes a first condenser 12 for generating hot air into the dual-purpose compartment, and a second condenser 4 for directly radiating heat to the outside of the refrigerator, and when it is required to heat the storage articles, the switching valve 3 is made to pass the refrigerant through the first condenser 12, thereby generating hot air into the dual-purpose compartment, and achieving a heating effect. Of course, on the premise of ensuring the heating effect, the refrigerant may be caused to pass through only the first condenser 12, or the refrigerant may be caused to pass through both the first condenser 12 and the second condenser 4; when the heating effect is not needed and only the refrigerating chamber is refrigerated, the switching valve 3 is used for enabling the refrigerant to pass through the second condenser 4 and directly radiate heat to the outside of the refrigerator, and at the moment, the dual-purpose chamber can be used for other purposes, such as placing articles and the like.

There are various implementations of implementing the switching valve 3 to allow the refrigerant to pass through the first condenser 12 and/or the second condenser 4, for example, as shown in fig. 2, the first condenser 12 and the second condenser 4 are disposed in parallel, and the input ends of the first condenser 12 and the second condenser 4 are respectively communicated with two output ends of the switching valve 3. In this way, by controlling the switching valve 3, three circulation modes of the refrigerant passing through the first condenser 12 alone, the refrigerant passing through the second condenser 4 alone, and the refrigerant passing through the first condenser 12 and the second condenser 4 simultaneously can be realized.

In order to increase the use function of the dual-purpose compartment when the dual-purpose compartment is not heated, it is considered that the dual-purpose compartment can also achieve a cooling effect, and further, when the dual-purpose compartment is not heated, the dual-purpose compartment can have the same function of storing food at a low temperature as the cooling compartment. The dual-purpose chamber is refrigerated by utilizing cold air generated by an evaporator 7 for refrigerating the dual-purpose chamber in the refrigerator, and structures such as a corresponding air duct assembly 6 and an air door need to be arranged in the refrigerator, and referring to fig. 1, the air duct assembly 6 comprises a freezing air duct arranged between the side wall of a freezing chamber 14 and the side wall of a box body, a refrigerating air duct arranged between the side wall of a refrigerating chamber 5 and the side wall of the box body, and a variable temperature air duct arranged between the side wall of the dual-purpose chamber and the side wall of the box body, the freezing air duct is communicated with the freezing chamber 14, the freezing air duct and the refrigerating air duct are both communicated with the evaporator 7, and air doors are arranged at the joint of the freezing air duct and the refrigerating air duct and at the. When the valve is changed, the refrigerant can radiate heat to the outside of the refrigerator through the U shells at the two sides of the box body when passing through the second condenser 4, the evaporator 7 can generate cold air, at the moment, air doors are arranged at the joints of the refrigerating air channel and the variable-temperature air channel and are opened, or the air door at the joint of the refrigerating air channel and the air door at the joint of the refrigerating air channel and the variable-temperature air channel are opened, and the cold air can enter the dual-purpose chamber for refrigeration through the air channel assembly 6 and the air doors; when cooling is not needed, the damper is closed.

In order to ensure the heat dissipation of the second condenser 4 in a general refrigerator, the second condenser 4 is usually disposed on each of the left and right sides of a refrigerator body of the refrigerator, and the second condensers 4 on the left and right sides of the refrigerator body are connected to each other, so as to ensure the heat dissipation effect. In addition, the circulation loop of the heat exchange circulation system of the refrigerator further comprises a capillary tube 9 and a condensation preventing tube 8, wherein the capillary tube 9 and the condensation preventing tube 8 are arranged between the condenser assembly and the evaporator 7, and the capillary tube 9 is connected with the inlet end of the evaporator 7.

The side wall of the dual-purpose chamber includes a foamed layer, and the first condenser 12 and the auxiliary heating element are both disposed in the foamed layer of the side wall of the dual-purpose chamber. The first condenser 12 is a coiled pipe type or a plate pipe type, and the auxiliary heating element is a heating pipe or a heating wire.

The switching valve 3 may allow refrigerant to pass through the first condenser 12 and/or the second condenser 4, and the switching valve 3 is used to control a corresponding refrigerant flow path when a corresponding function is required. In order to realize the switching of the switching valve 3, the switching valve 3 is a three-way reversing valve, and can be flexibly controlled by a control system or a device to realize multi-way switching.

In order to monitor the indoor temperature in the dual-purpose chamber and further provide temperature information for a user or a control system so as to achieve the temperature required by the control requirement or the user, a temperature detection device is arranged in the dual-purpose chamber.

Furthermore, the utility model provides a first baffle 10 and second baffle 11 are thermal insulation material, can prevent that the user from touching auxiliary heating element, can also play isolated heater strip or heating pipe heat radiation effect, avoid heater strip or heating pipe direct to the toasting in dual-purpose space, protect the lateral wall material in dual-purpose space.

As shown in fig. 2, the exhaust pipe of the compressor 2 is connected to a three-way reversing valve, when the dual-purpose chamber 13 has a heating requirement, the three-way reversing valve switches the outlet end of the exhaust pipe of the compressor 2 into the first condenser 12 of the dual-purpose chamber 13, and the dual-purpose chamber 13 is heated by using the high temperature of the exhaust gas of the compressor 2 and an auxiliary heating element in the dual-purpose chamber 13; the refrigerant passes through the first condenser 12 and then the liquid outlet pipe of the first condenser 12, enters the condensation preventing pipe 8 and the capillary 9, is throttled by the capillary 9 and then enters the evaporator 7 for refrigeration. Through air duct assembly 6, control air door can carry out temperature regulation to dual-purpose space.

When the dual-purpose chamber 13 has no heating request, the three-way reversing valve switches the outlet end of the exhaust pipe of the compressor 2 into the second condenser 4, the heat generated by the second condenser 4 is conducted out through the U shells at the two sides of the box body, enters the condensation preventing pipe 8 and the capillary 9 through the liquid outlet pipe of the second condenser 4, and enters the evaporator 7 for refrigeration after throttling through the capillary 9. Meanwhile, the dual-purpose chamber 13 can be refrigerated by controlling an air door on the air duct assembly 6.

The utility model provides a dual-purpose refrigerator of refrigeration and heating provides the demand by dual-purpose room 13, through the tee bend switching-over valve, and the switching that refrigerates and heat to dual-purpose room 13 is carried out to air door and the interior auxiliary heating element of dual-purpose room 13 in the wind channel subassembly 6 that can be quick.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A refrigerator with dual purposes of refrigeration and heating is characterized by comprising a box body and a heat exchange circulating system, wherein a refrigeration chamber and a dual-purpose chamber (13) which are mutually isolated are arranged in the box body,

the heat exchange circulation system comprises a compressor (2), an evaporator (7), a condenser assembly, a switching valve (3) and an auxiliary heating element, wherein the compressor (2) drives a refrigerant to flow in the heat exchange circulation system in a circulating manner, the condenser assembly comprises a first condenser (12) and a second condenser (4) which is used for directly radiating the outside of the refrigerator, the first condenser (12) and the auxiliary heating element are used for generating hot air for the dual-purpose chamber (13), the switching valve (3) is connected between the outlet end of the compressor (2) and the condenser assembly, the switching valve (3) can enable the refrigerant to pass through the first condenser (12) and/or the second condenser (4) when the refrigerant flows in the heat exchange circulation system in a circulating manner, and the condenser assembly is connected with the evaporator (7), the evaporator (7) is connected with the inlet end of the compressor (2).

2. A refrigerator for both cooling and heating according to claim 1, characterized in that the first condenser (12) and the second condenser (4) are arranged in parallel, and the input of the first condenser (12) and the input of the second condenser (4) are respectively communicated with two output ends of the switching valve (3).

3. A refrigerator with dual purposes of cooling and heating as claimed in claim 1, characterized in that a first partition (10) and a second partition (11) are arranged in the refrigerator body, a freezing compartment (14) is formed between the first partition (10) and the top wall of the cavity of the refrigerator body, a refrigerating compartment (5) is formed between the first partition (10) and the second partition (11), and the dual-purpose compartment (13) is formed between the second partition (11) and the bottom wall of the cavity of the refrigerator body.

4. The refrigerator for both cooling and heating according to claim 3, wherein an air duct assembly (6) is provided in the cabinet, wherein,

the air duct assembly (6) comprises a freezing air duct arranged between the side wall of the freezing chamber (14) and the side wall of the box body, a refrigerating air duct arranged between the side wall of the refrigerating chamber (5) and the side wall of the box body, and a variable-temperature air duct arranged between the side wall of the dual-purpose chamber (13) and the side wall of the box body, wherein the freezing air duct is communicated with the freezing chamber (14), the freezing air duct and the refrigerating air duct are communicated with the evaporator (7), and air doors are arranged at the joint of the freezing air duct and the refrigerating air duct and at the joint of the refrigerating air duct and the variable-temperature air duct.

5. Refrigerator-heater according to claim 1 or 4, characterized in that the side wall of the dual-purpose compartment (13) comprises a foamed layer, the first condenser (12) and the auxiliary heating element being arranged in the foamed layer of the side wall of the dual-purpose compartment (13).

6. A refrigerator as claimed in claim 5, characterized in that the first condenser (12) is of a coil or plate-and-tube type and the switching valve (3) is a three-way reversing valve.

7. The refrigerator of claim 1, wherein the auxiliary heating element is a heating pipe or a heating wire.

8. The refrigerator as claimed in claim 1, wherein a capillary tube (9) and a condensation preventing tube (8) are disposed between the condenser assembly and the evaporator (7), the condensation preventing tube (8) is disposed between the condenser assembly and the capillary tube (9), and the capillary tube (9) is connected to an inlet end of the evaporator (7).

9. A refrigerator with dual purposes of cooling and heating according to claim 1, characterized in that a temperature detecting device is provided in the dual-purpose compartment (13).

10. A refrigerator as claimed in claim 3, characterized in that the first partition (10) and the second partition (11) are heat insulating material.