CN207163054U - A kind of refrigerator with natural cooling function - Google Patents

Abstract

The utility model discloses a refrigerator with a natural cooling function, which comprises a refrigerant system, and the refrigerant system includes a circulation loop composed of a compressor, a condenser, a capillary tube, a freezing evaporator and a refrigeration evaporator connected in sequence; and a wind system , the air system includes an air supply port, a blower fan, a refrigeration heat exchanger, a refrigeration heat exchanger and an air exhaust outlet. The refrigeration heat exchanger is installed in the refrigerator room, and the freezing heat exchanger is installed in the freezer room. The outlet of the refrigerating heat exchanger is connected to the inlet of the refrigerating heat exchanger and the inlet of the refrigerating heat exchanger through the second electric three-way valve, and the outlet of the refrigerating heat exchanger and the outlet of the refrigerating heat exchanger are connected to the air outlet; when connecting the refrigerating evaporator and A first electric three-way valve is arranged on the pipeline of the refrigerating evaporator, and an outlet of the first electric three-way valve is connected with the inlet of the compressor. The utility model can utilize the natural cold source to realize the freezing and refrigerating functions of the refrigerator, and greatly reduce the operating energy consumption of the refrigerator.

Description

A refrigerator with natural cooling function

technical field

The utility model relates to the field of household appliances, in particular to a refrigerator with a natural cooling function.

Background technique

In winter, the outdoor temperature is often lower than the refrigerating or even freezing temperature. In this working condition, the outdoor low-temperature air can be used to realize the freezing and refrigerating functions of the refrigerator. The above-mentioned treatment process belongs to natural cooling, and no energy consumption is generated during the cooling process.

At present, refrigerators use compression refrigeration all year round to realize their freezing and refrigeration functions. The compression refrigeration process requires a lot of power consumption, making refrigerators one of the main energy-consuming devices in household appliances. The main reason for the current situation is that the refrigerator did not consider the use of natural cold sources to realize its freezing and refrigeration functions at the beginning of its design. In order to eliminate the existing disadvantages, a better system solution needs to be proposed.

Contents of the invention

The utility model provides a refrigerator with a natural cooling function in order to solve the technical problems in the known technology. The refrigerator can use a natural cold source to realize the freezing and refrigerating functions of the refrigerator, and greatly reduce the operating energy consumption.

The technical scheme adopted by the utility model to solve the technical problems existing in the known technology is: a refrigerator with natural cooling function, including a refrigerant system, and the refrigerant system includes a compressor, a condenser, a capillary tube, a freezing evaporation The refrigerating evaporator is installed in the refrigerating chamber, the freezing evaporator is installed in the freezing chamber, and the refrigerator also includes an air system, and the air system includes an air outlet , a blower, a refrigeration heat exchanger, a refrigeration heat exchanger, and an air outlet, the air outlet and the air outlet are installed on the building exterior wall, the refrigeration heat exchanger is installed in the refrigerator, and the refrigeration The heat exchanger is installed in the freezing chamber, the air supply port is connected to the inlet of the blower, and the outlet of the blower is connected to the inlet of the refrigerating heat exchanger and the freezing heat exchanger through a second electric three-way valve. The inlet of the refrigerating heat exchanger and the outlet of the refrigerating heat exchanger are connected to the air outlet; the pipeline connecting the refrigerating evaporator and the refrigerating A three-way valve, one outlet of the first electric three-way valve is connected with the inlet of the compressor.

The advantages and positive effects that the utility model has are:

1) Energy saving and environmental protection, making full use of natural cold sources to realize the freezing and refrigerating functions of the refrigerator, so that the power consumption during the operation of the refrigerator is greatly reduced, and it is more environmentally friendly while saving energy.

2) The operating cost is low, the power consumption of the refrigerator is reduced, and the corresponding operating cost is greatly reduced.

In summary, the utility model reduces the operating cost and carbon dioxide emissions of the refrigerator on the basis of realizing the use of natural cold sources to ensure the freezing and refrigerating functions of the refrigerator, has high economic and environmental benefits, and provides a new way of thinking.

Description of drawings

Fig. 1 is the structural representation of the utility model.

In the figure: 1. Compressor, 2. Condenser, 3. Capillary tube, 4. Refrigeration evaporator, 5. Refrigeration evaporator, 6. Freezer chamber, 7. Refrigerator chamber, 8. Air supply port, 9. Blower fan, 10. Refrigeration heat exchanger, 11. Refrigeration heat exchanger, 12. Air outlet, 13. Building exterior wall, 14. First electric three-way valve, 15. Second electric three-way valve.

Detailed ways

In order to further understand the invention content, characteristics and effects of the present utility model, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Please refer to Fig. 1, a kind of refrigerator with natural cooling function, comprises refrigerant system, and described refrigerant system comprises that compressor 1, condenser 2, capillary tube 3, refrigerating evaporator 4 and refrigerating evaporator 5 are sequentially connected to form Circulation loop, the refrigerating evaporator 5 is installed in the refrigerating chamber 7, the freezing evaporator 4 is installed in the freezing chamber 6, the refrigerator also includes a wind system, the wind system includes an air supply port 8, a blower 9. The refrigeration heat exchanger 10, the refrigeration heat exchanger 11 and the air outlet 12, the air supply outlet 8 and the air outlet 12 are installed on the building exterior wall 13, and the refrigeration heat exchanger 10 is installed on the In the refrigerating chamber 7, the freezing heat exchanger 11 is installed in the freezing chamber 6, the air supply port 8 is connected to the inlet of the blower 9, and the outlet of the blower 9 is connected to the second electric three-way valve 15. The inlet of the refrigerating heat exchanger 10 is connected to the inlet of the refrigerating heat exchanger 11, and the outlet of the refrigerating heat exchanger 10 and the outlet of the refrigerating heat exchanger 11 are connected to the air outlet 12; A first electric three-way valve 14 is provided on the pipeline connecting the refrigeration evaporator 4 and the refrigeration evaporator 5 , and an outlet of the first electric three-way valve 14 is connected with the inlet of the compressor 1 .

In actual operation, the operating modes of the air system and the refrigerant system need to be controlled according to the outdoor temperature:

1) When the outdoor temperature in winter is lower than the refrigerating temperature and higher than the freezing temperature, the air system operates as follows: First, the second electric three-way valve 15 operates to open the passage for outdoor air to enter the refrigerating heat exchanger 10, so that the outdoor The passage of air entering the refrigeration heat exchanger 11 is closed, and then the air blower 9 is turned on, and the outdoor air enters the air blower 9 through the air supply port 8, and enters the second electric motor after being pressurized by the air blower 9. The three-way valve 15 then enters the refrigerated heat exchanger 10 for heat exchange, and after the heat exchange, it is discharged to the outside through the air outlet 12; the refrigerant system operates as follows: the first electric three-way valve 14 operates , the passage of refrigerant entering the compressor 1 is opened, the passage of refrigerant entering the refrigerating evaporator 5 is closed, and the compressor 1 is in an open state.

2) When the outdoor temperature in winter is lower than the freezing temperature, the wind system operates as follows: first, the second electric three-way valve 15 operates to open the passage for outdoor air to enter the refrigeration heat exchanger 11, so that the outdoor air enters the refrigeration heat exchanger 11. The passage of the refrigeration heat exchanger 10 is opened, and then the air blower 9 is turned on, and the outdoor air enters the air blower 9 through the air supply port 8, and a part of the outdoor air enters the refrigeration heat exchanger 11 after being pressurized by the air blower 9. After heat exchange, it is discharged to the outside through the air outlet 12; after being pressurized by the blower 9, the remaining part of the outdoor air enters the refrigerating heat exchanger 10 for heat exchange, and after heat exchange, it passes through the air outlet 12 is discharged to the outside; the action of the refrigerant system is as follows: the compressor 1 stops running, and the refrigerator is completely cooled by outdoor air.

3) When the outdoor temperature is higher than the refrigerating temperature in winter, the air system is closed, and the air blower 9 is closed at this time; the operation of the refrigerant system is as follows: the first electric three-way valve 14 operates to make the refrigeration The passage of refrigerant entering the compressor 1 is closed, and the passage of refrigerant entering the refrigerating evaporator 10 is opened, and the compressor 1 is in an open state.

Compared with conventional refrigerators, the utility model adds the function of using natural cold sources to realize freezing and refrigerating, thereby greatly reducing the energy consumption of refrigerators in winter, reducing the operating costs of refrigerators, and achieving better economic effects and environmental protection. Effect.

Although the preferred embodiment of the utility model has been described above in conjunction with the accompanying drawings, the utility model is not limited to the above-mentioned specific implementation, and the above-mentioned specific implementation is only illustrative and not restrictive. Under the enlightenment of the utility model, those skilled in the art can also make many forms without departing from the purpose of the utility model and the protection scope of the claims, and these all belong to the protection scope of the utility model.

Claims (1)

1. A refrigerator with a natural cooling function, comprising a refrigerant system, said refrigerant system comprising a circulation loop formed by sequentially connecting a compressor, a condenser, a capillary tube, a freezing evaporator and a refrigeration evaporator, and said refrigeration evaporator Installed in the refrigerating chamber, the refrigerating evaporator is installed in the refrigerating chamber, characterized in that the refrigerator also includes an air system, the air system includes an air outlet, an air blower, a refrigerating heat exchanger, a refrigerating heat exchanger and The air exhaust port, the air supply port and the air exhaust port are installed on the building exterior wall, the refrigerating heat exchanger is installed in the refrigerating room, the freezing heat exchanger is installed in the freezing room, and the air supplying The tuyere is connected to the inlet of the air blower, the outlet of the air blower is connected to the inlet of the refrigeration heat exchanger and the inlet of the refrigeration heat exchanger through the second electric three-way valve, and the outlet of the refrigeration heat exchanger is connected to the inlet of the refrigeration heat exchanger. The outlet of the refrigeration heat exchanger is connected to the air outlet; a first electric three-way valve is provided on the pipeline connecting the refrigeration evaporator and the refrigeration evaporator, and the first electric three-way valve An outlet is connected to the inlet of the compressor.