CN215002360U - Cold and hot dual-purpose compression system of refrigerator and refrigerator - Google Patents

Cold and hot dual-purpose compression system of refrigerator and refrigerator Download PDF

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Publication number
CN215002360U
CN215002360U CN202023106527.2U CN202023106527U CN215002360U CN 215002360 U CN215002360 U CN 215002360U CN 202023106527 U CN202023106527 U CN 202023106527U CN 215002360 U CN215002360 U CN 215002360U
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dual
compression system
cold
refrigerator
heat exchanger
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CN202023106527.2U
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黄家慧
何汝龙
郑少强
杜华东
邹涛键
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides a cold and hot dual-purpose compression system and refrigerator of refrigerator relates to refrigerator technical field, has solved the current refrigerator that exists among the prior art, and its room is difficult to realize the technical problem of heating the function. The cold and hot dual-purpose compression system is two compression systems, and cold and hot dual-purpose compression system includes dual-purpose heat exchanger, can adjust the flow direction of refrigerant in the compression system in order to be used for realizing being used for the refrigerator internal cooling dual-purpose heat exchanger to convert and be used for heating in the refrigerator through adjusting the valve component on the cold and hot dual-purpose compression system. The utility model is used for realize the refrigerator can realize the purpose of refrigeration, heating simultaneously, increase the function of refrigerator.

Description

Cold and hot dual-purpose compression system of refrigerator and refrigerator
Technical Field
The utility model belongs to the technical field of the refrigerator technique and specifically relates to a cold and hot dual-purpose compression system and refrigerator of refrigerator is related to.
Background
In the current social development, the modern life concept is being simplified, the requirement for meeting various functions of a single electric appliance is increasingly obvious, and the function of a refrigerator is not met by simple refrigeration. At present, the refrigerator has only a single refrigeration and fresh-keeping function, generally does not have a heating function, and cannot meet the requirement of using a heating function in winter. Aiming at the social demand, the cold and hot dual-purpose switchability of the refrigerator is more important, and a user can divide the refrigerator chamber into refrigeration and heating according to the demand, thereby meeting the demands of heating in winter and refrigerating in summer.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cold and hot dual-purpose compression system and refrigerator of refrigerator has solved the current refrigerator that exists among the prior art, and the room is difficult to realize the technical problem of heating the function during it. 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 pair of cold and hot dual-purpose compression system of refrigerator, cold and hot dual-purpose compression system is two compression systems, just cold and hot dual-purpose compression system includes dual-purpose heat exchanger, through adjusting valve subassembly on the cold and hot dual-purpose compression system can be adjusted the flow direction of refrigerant is in order to be used for realizing being used for the fridge in the compression system dual-purpose heat exchanger converts the heating that is used for in the refrigerator.
Further, the cold and hot dual-purpose compression system comprises a low-pressure stage compressor and a high-pressure stage compressor, wherein the low-pressure stage compressor and the high-pressure stage compressor are connected in series.
Further, the dual-purpose heat exchanger is a refrigeration heat exchanger used for refrigeration in the refrigerator.
Further, the dual-purpose compression system for cold and heat comprises a compressor and a condenser, and when the dual-purpose heat exchanger is in a refrigerating state, refrigerant sprayed from the compressor flows to other evaporators in the dual-purpose compression system for cold and heat after passing through the condenser and the dual-purpose heat exchanger; when the dual-purpose heat exchanger is in a heating state, the refrigerant sprayed from the compressor flows to other evaporators in the cold and hot dual-purpose compression system after passing through the dual-purpose heat exchanger.
Further, the valve component comprises a first regulating valve and a second regulating valve, the first regulating valve and the second regulating valve are respectively arranged at the outlet end of the compressor and the outlet end of the dual-purpose heat exchanger, the outlet end of the first regulating valve is respectively connected with the inlet side of the dual-purpose heat exchanger and the inlet side of the condenser, and the outlet end of the second regulating valve is respectively connected with the outlet side of the condenser and other components of the cold and hot dual-purpose compression system.
Further, the cold and hot dual-purpose compression system of the refrigerator comprises a temperature-variable evaporator and a freezing evaporator, and when the dual-purpose heat exchanger is in a heating state, the refrigerant sprayed from the compressor flows towards the temperature-variable evaporator after passing through the dual-purpose heat exchanger.
Furthermore, a third regulating valve is arranged on a liquid outlet pipeline connected with the condenser, and the outlet side of the third regulating valve is connected with the dual-purpose heat exchanger and the variable temperature evaporator.
When the dual-purpose heat exchanger is in a refrigerating state, the refrigerant sprayed from the compressor flows to the flash evaporator after passing through the dual-purpose heat exchanger, the refrigerant at one outlet end of the flash evaporator flows to the refrigeration evaporator and is connected with the pipeline between the low-pressure compressor and the high-pressure compressor of the dual-purpose compression system, and the other outlet end of the flash evaporator is connected with the pipeline between the low-pressure compressor and the high-pressure compressor of the dual-purpose compression system.
Furthermore, a fourth regulating valve and a fifth regulating valve are respectively arranged at the inlet end and the outlet end of the variable temperature evaporator, when the variable temperature evaporator is in a cold storage mode, the refrigerant discharged from the condenser flows to the flash evaporator through the third regulating valve, the fourth regulating valve, the variable temperature evaporator and the fifth regulating valve, and when the variable temperature evaporator is in a freezing mode, the refrigerant flowing to the freezing evaporator flows to the compressor after passing through the fifth regulating valve, the variable temperature evaporator and the fourth regulating valve.
A refrigerator comprises a cold and hot dual-purpose compression system of the refrigerator.
The utility model provides a cold and hot dual-purpose compression system of refrigerator, through the flow direction that changes the refrigerant, can be with a refrigeration room adjustment in the refrigerator for heating the room, be about to this indoor for the refrigerator in the refrigerated dual-purpose heat exchanger convert for being used for the refrigerator to heat, realize that the refrigerator can realize simultaneously refrigerate and heat the purpose, the user can select the mode of refrigerator according to the demand of oneself, compare if use the heating pipe to realize the refrigerator function of heating, this system energy consumption is lower.
The utility model discloses preferred technical scheme can also produce following technological effect at least:
the cold and hot dual-purpose compression system comprises a low-pressure stage compressor and a high-pressure stage compressor, wherein the low-pressure stage compressor and the high-pressure stage compressor are connected in series. The double-stage compression system can meet the requirements of multistage evaporation and multiple temperature zones of the refrigerator.
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 view of a cold and hot dual-purpose compression system of a refrigerator according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a dual-purpose heat exchanger provided by an embodiment of the present invention in a heating mode;
fig. 3 is a schematic diagram of the dual-purpose heat exchanger according to the embodiment of the present invention in a cooling mode (the temperature-changing evaporator is in a cooling mode);
fig. 4 is a schematic diagram of the dual-purpose heat exchanger according to the embodiment of the present invention in a cooling mode (the temperature-changing evaporator is in a freezing mode).
FIG. 1-high pressure stage compressor; 2. a low pressure stage compressor; 3. a first regulating valve; 4. a condenser; 5. an anti-condensation pipe; 6. drying the filter; 7. a primary capillary tube; 8. a third regulating valve; 9. a fourth regulating valve; 10. A temperature-changing evaporator; 11. a dual-purpose heat exchanger; 12. a second regulating valve; 13. a fifth regulating valve; 14. a flash evaporator; 15. a one-way valve; 16. a secondary capillary; 17. a refrigeration evaporator; 18. a liquid storage tank.
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. 1-4, the utility model provides a cold and hot dual-purpose compression system of refrigerator, cold and hot dual-purpose compression system is two compression systems, and cold and hot dual-purpose compression system includes dual-purpose heat exchanger 11, can adjust the flow direction of refrigerant in the compression system in order to be used for realizing being used for the refrigerator internal refrigeration dual-purpose heat exchanger 11 to convert and be used for heating in the refrigerator through adjusting the valve component on the cold and hot dual-purpose compression system. Most of the existing refrigerators generally only have the functions of refrigeration (a refrigerating chamber) and freezing (a freezing chamber), but do not have the function of heating, so that the functions of the refrigerators are single. And the utility model provides a cold and hot dual-purpose compression system of refrigerator, through the flow direction that changes the refrigerant, can be with a refrigeration room adjustment in the refrigerator for heating the room, be about to this indoor for the refrigerator in the refrigerated dual-purpose heat exchanger 11 convert into and be used for the refrigerator in heat, realize that the refrigerator can realize simultaneously the purpose of refrigeration and heating, the user can select the mode of refrigerator according to the demand of oneself, compare if use the heating pipe to realize the refrigerator function of heating, this system energy consumption is lower.
The utility model discloses a control switching system flow path realizes the switching of one of them room refrigeration heating function in the refrigerator to can be through setting for the temperature, control valve subassembly's the condition of opening a way, thereby switch between cold and hot function.
As the embodiment of the utility model provides an optional implementation mode, cold and hot dual-purpose compression system includes low pressure stage compressor 2 and high pressure stage compressor 1, low pressure stage compressor 2 and high pressure stage compressor 1 series connection. Referring to fig. 1-4, a low pressure stage compressor 2 and a high pressure stage compressor 1 are illustrated. The double-stage compression system can meet the requirements of multistage evaporation and multiple temperature zones of the refrigerator.
As the optional implementation of the embodiment of the present invention, the dual-purpose heat exchanger 11 is a refrigerating heat exchanger used for refrigerating in the refrigerator, that is, the compartment used for refrigerating in the refrigerator can be switched to the compartment used for heating.
As an optional implementation manner of the embodiment of the present invention, the dual-purpose compression system includes a compressor and a condenser 4, when the dual-purpose heat exchanger 11 is in a cooling state, a refrigerant sprayed from the compressor flows to other evaporators in the dual-purpose compression system after passing through the condenser 4 and the dual-purpose heat exchanger 11 (at this time, the dual-purpose heat exchanger 11 is equivalent to an evaporator); when the dual-purpose heat exchanger 11 is in a heating state, the refrigerant discharged from the compressor flows to the other evaporators in the cold and hot dual-purpose compression system after passing through the dual-purpose heat exchanger 11 (in this case, the dual-purpose heat exchanger 11 is equivalent to a condenser). The specific implementation mode is as follows, the valve assembly includes first governing valve 3 and second governing valve 12, first governing valve 3 and second governing valve 12 are the three-way valve, first governing valve 3 and second governing valve 12 set up the exit end at the compressor and the exit end of dual-purpose heat exchanger 11 respectively, the exit end of first governing valve 3 is connected with the inlet side of dual-purpose heat exchanger 11 and the inlet side of condenser 4 respectively, adjust first governing valve 3 promptly, can make the refrigerant that the compressor spun flow to dual-purpose heat exchanger 11 or condenser 4, the exit end of second governing valve 12 is connected with the exit side of condenser 4 and other parts of cold and hot dual-purpose compression system respectively. When the refrigerant discharged from the compressor flows to the outlet side of the condenser 4 through the first refrigerant control valve 3, the dual-purpose heat exchanger 11, and the second control valve 12, the condenser 4 is not operated.
As an optional implementation manner of the embodiment of the present invention, the cold and hot dual-purpose compression system of the refrigerator includes the temperature-variable evaporator 10 and the freezing evaporator 17, and when the dual-purpose heat exchanger 11 is in the heating state, the refrigerant sprayed from the compressor flows toward the temperature-variable evaporator 10 after passing through the dual-purpose heat exchanger 11. Referring to fig. 1, a variable temperature evaporator 10 and a freezing evaporator 17 are schematically shown, the freezing evaporator 17 provides a freezing function for a freezing chamber of a refrigerator, the warm evaporator 10 provides a freezing or refrigerating function for the variable temperature chamber of the refrigerator, and the dual-purpose heat exchanger 11 provides a refrigerating or heating function for the chamber of the refrigerator. When the dual-purpose heat exchanger 11 is in a heating state, the refrigerant ejected from the compressor flows through the dual-purpose heat exchanger 11, then flows toward the temperature-changing evaporator 10, then flows toward the freezing evaporator 17 and flows back to the compressor, and the temperature-changing evaporator 10 plays a role in refrigerating the temperature-changing chamber of the refrigerator. When the dual-purpose heat exchanger 11 is in a cooling state, the cooling mode of the existing refrigerator is the same, that is, the dual-purpose heat exchanger 11 provides a cooling function for the compartment of the refrigerator, the warm evaporator 10 provides a freezing or cooling function for the temperature-changing compartment of the refrigerator, and the freezing evaporator 17 provides a freezing function for the freezing compartment of the refrigerator.
The specific implementation mode is as follows, a third regulating valve 8 is arranged on a liquid outlet pipeline connected with the condenser 4, the third regulating valve 8 is a three-way valve, and the outlet side of the third regulating valve 8 is connected with a dual-purpose heat exchanger 11 and a temperature-changing evaporator 10. The third regulating valve 8 is regulated to enable the refrigerant to flow to the dual-purpose heat exchanger 11 or/and the variable temperature evaporator 10.
The cold and hot dual-purpose compression system also comprises a flash evaporator 14, when the dual-purpose heat exchanger 11 is in a refrigerating state, the refrigerant sprayed from the compressor flows to the flash evaporator 14 after passing through the dual-purpose heat exchanger 11, the refrigerant at one outlet end of the flash evaporator 14 flows to a refrigeration evaporator 17 and is connected with a pipeline between the low-pressure stage compressor 2 and the high-pressure stage compressor 1 of the cold and hot dual-purpose compression system, and the other outlet end of the flash evaporator is connected with the pipeline between the low-pressure stage compressor 2 and the high-pressure stage compressor 1 of the cold and hot dual-purpose compression system. A secondary capillary 16 is provided between the flash evaporator 14 and the freeze evaporator 17.
The inlet end and the outlet end of the variable temperature evaporator 10 are respectively provided with a fourth regulating valve 9 and a fifth regulating valve 13, when the variable temperature evaporator 10 is in a cold storage mode, the refrigerant discharged from the condenser 4 can flow to the flash evaporator 14 through the third regulating valve 8, the fourth regulating valve 9, the variable temperature evaporator 10 and the fifth regulating valve 13, and when the variable temperature evaporator 10 is in a freezing mode, the refrigerant flowing to the freezing evaporator 17 can flow to the compressor after passing through the fifth regulating valve 13, the variable temperature evaporator 10 and the fourth regulating valve 9.
The utility model provides a refrigerator, includes the utility model provides a cold and hot dual-purpose compression system of refrigerator. Compared with the traditional refrigerator, the invention increases the heating and heat-preserving functions, meets the requirements of multi-stage evaporation and multi-temperature zone of the refrigerator, realizes the cold and hot functions of the refrigerator, and has lower energy consumption compared with the heating function of the refrigerator by using a heating pipe. Through the open circuit switching and the aperture control to the valve member, can realize when needs are refrigerated in summer, each room all refrigerates: when corresponding drinks need to be heated in winter, one of the chambers can be heated, so that the life is more convenient.
The utility model provides a cold and hot dual-purpose compression system's specific mode as follows:
(1) with compartments in heating mode
When a user needs the refrigerator to provide a heating function, the flow path of the first regulating valve 3 is switched to be the opening A, the flow path of the second regulating valve 12 is switched to be the opening F, and the specific refrigerant flow direction is as follows: the high-pressure stage compressor 1, the low-pressure stage compressor 2, the first regulating valve 3, the dual-purpose heat exchanger 11, the second regulating valve 12, the anti-condensation pipe 5, the drying filter 6, the first-stage capillary tube 7, the third regulating valve 8, the fourth regulating valve 9, the temperature-changing evaporator 10, the fifth regulating valve 13, the flash evaporator 14, the second-stage capillary tube 16, the freezing evaporator 17, the liquid storage tank 18 and the high-pressure stage compressor 1 are shown in the corresponding schematic diagram of fig. 2, and of course, the refrigerant in the flash evaporator 14 can flow to the low-pressure stage compressor 2 if the check valve 15 is adopted, so that the effects of air supplement and enthalpy increase are realized. When the heating temperature in the refrigerating chamber reaches the set temperature, the temperature sensor feeds back related information to the main board, and the main board controls the first adjusting valve 3 to carry out open-circuit control, so that the refrigerating chamber does not heat, and corresponding actions are carried out subsequently when the refrigerating chamber needs to be carried out.
(2) Each compartment of the refrigerator is in a refrigeration mode
When the refrigerator is normally opened in the cold mode, the first regulating valve 3 is switched to the flow direction B, the second regulating valve 12 is switched to the open circuit E, and the third regulating valve 8 switches to different compartment refrigeration requirements according to system requirements, wherein when the temperature-changing evaporator 10 is in the cold storage mode, the flow direction of the refrigerant can be shown in fig. 3, and when the temperature-changing evaporator 10 is in the freezing mode, the flow direction of the refrigerant can be shown in fig. 4.
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 (10)

1. The cold and hot dual-purpose compression system of the refrigerator is characterized in that the cold and hot dual-purpose compression system is a dual-purpose compression system, the cold and hot dual-purpose compression system comprises a dual-purpose heat exchanger (11), and the flow direction of a refrigerant in the compression system can be adjusted by adjusting a valve component on the cold and hot dual-purpose compression system so as to realize that the dual-purpose heat exchanger (11) for refrigerating in the refrigerator is converted into a heat exchanger for heating in the refrigerator.
2. A cold-hot dual compression system of a refrigerator according to claim 1, wherein the cold-hot dual compression system comprises a low pressure stage compressor (2) and a high pressure stage compressor (1), the low pressure stage compressor (2) and the high pressure stage compressor (1) being connected in series.
3. A cold-hot dual-purpose compression system for a refrigerator according to claim 1, wherein the dual-purpose heat exchanger (11) is a refrigerating heat exchanger for refrigerating in the refrigerator.
4. A cold and hot dual purpose compression system for a refrigerator according to any one of claims 1 to 3, wherein the cold and hot dual purpose compression system comprises a compressor and a condenser (4), and when the dual purpose heat exchanger (11) is in a cooling state, a refrigerant discharged from the compressor flows to other evaporators in the cold and hot dual purpose compression system after passing through the condenser (4) and the dual purpose heat exchanger (11); when the dual-purpose heat exchanger (11) is in a heating state, the refrigerant sprayed from the compressor flows to other evaporators in the cold and hot dual-purpose compression system after passing through the dual-purpose heat exchanger (11).
5. A cold-hot compression system for a refrigerator according to claim 4, wherein the valve assembly comprises a first regulating valve (3) and a second regulating valve (12), the first regulating valve (3) and the second regulating valve (12) being provided at an outlet end of the compressor and an outlet end of the dual-purpose heat exchanger (11), respectively, an outlet end of the first regulating valve (3) being connected to an inlet side of the dual-purpose heat exchanger (11) and an inlet side of the condenser (4), respectively, and an outlet end of the second regulating valve (12) being connected to an outlet side of the condenser (4) and other components of the cold-hot compression system, respectively.
6. A refrigerating and heating compression system as claimed in claim 4, wherein the refrigerating and heating compression system comprises a temperature-varying evaporator (10) and a freezing evaporator (17), and when the dual-purpose heat exchanger (11) is in a heating state, the refrigerant discharged from the compressor flows toward the temperature-varying evaporator (10) after passing through the dual-purpose heat exchanger (11).
7. A cold and hot dual-purpose compression system for a refrigerator according to claim 6, wherein a third regulating valve (8) is provided on a liquid outlet pipe connected to the condenser (4), and an outlet side of the third regulating valve (8) connects the dual-purpose heat exchanger (11) and the temperature-changing evaporator (10).
8. A cold and hot dual-purpose compression system of a refrigerator according to claim 7, further comprising a flash evaporator (14), wherein when the dual-purpose heat exchanger (11) is in a refrigerating state, a refrigerant discharged from the compressor flows to the flash evaporator (14) after passing through the dual-purpose heat exchanger (11), the refrigerant at one outlet end of the flash evaporator (14) flows to the freezing evaporator (17) and is connected to a pipeline between the low-pressure stage compressor (2) and the high-pressure stage compressor (1) of the cold and hot dual-purpose compression system at the other outlet end.
9. A cold and hot dual-purpose compression system of a refrigerator according to claim 8, wherein the inlet end and the outlet end of the temperature-changing evaporator (10) are respectively provided with a fourth regulating valve (9) and a fifth regulating valve (13), when the temperature-changing evaporator (10) is in a cold storage mode, the refrigerant discharged from the condenser (4) flows to the flash evaporator (14) through the third regulating valve (8), the fourth regulating valve (9), the temperature-changing evaporator (10) and the fifth regulating valve (13), and when the temperature-changing evaporator (10) is in a freezing mode, the refrigerant flowing to the freezing evaporator (17) flows to the compressor after passing through the fifth regulating valve (13), the temperature-changing evaporator (10) and the fourth regulating valve (9).
10. A refrigerator comprising the dual compression system for cold and hot of the refrigerator of any one of claims 1 to 9.
CN202023106527.2U 2020-12-21 2020-12-21 Cold and hot dual-purpose compression system of refrigerator and refrigerator Active CN215002360U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023106527.2U CN215002360U (en) 2020-12-21 2020-12-21 Cold and hot dual-purpose compression system of refrigerator and refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023106527.2U CN215002360U (en) 2020-12-21 2020-12-21 Cold and hot dual-purpose compression system of refrigerator and refrigerator

Publications (1)

Publication Number Publication Date
CN215002360U true CN215002360U (en) 2021-12-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023106527.2U Active CN215002360U (en) 2020-12-21 2020-12-21 Cold and hot dual-purpose compression system of refrigerator and refrigerator

Country Status (1)

Country Link
CN (1) CN215002360U (en)

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