CN101526250A - Household cabinet air-conditioning system with refrigerating function - Google Patents

Abstract

The invention discloses a household cabinet-type air-conditioning system with refrigeration function, which includes a refrigerant circulation system and a refrigerator; the refrigerant circulation system includes: a compressor for compressing refrigerant; a condenser for refrigerant and Heat exchange on the outdoor air side; the first evaporator is used for heat exchange between the refrigerant and the indoor air side; the condenser and the first evaporator are sequentially connected in series to the exhaust port of the compressor by the refrigerant pipeline , between the suction ports; the refrigerant cycle system also includes a second evaporator, which is connected in parallel with the first evaporator through a refrigerant pipeline, and is used for heat exchange between the refrigerant and the air in the refrigerator. Utilizing the existing household air-conditioning system, through reasonable split control, and only using one outdoor unit together, the household air conditioner can cool down the room and also have the corresponding refrigeration function, which is conducive to reducing production costs and realizing Energy saving and environmental protection effect.

Description

Household Cabinet Air Conditioning System with Refrigeration Function

technical field

The invention relates to an air-conditioning system or equipment, in particular to a household cabinet-type air-conditioning system with a refrigeration function that shares a compressor.

Background technique

Existing household air conditioners and refrigerators all have a set of independent refrigeration systems, the refrigeration principle is the same, and the manufacturing process is similar. It can be said that both use the refrigeration system with the same principle to serve different purposes: the indoor air conditioner is simply to adjust the indoor temperature; the refrigerator is only used for refrigerator refrigeration and cold food.

When these two refrigeration systems are used alone, they have single functions, large power consumption, and high prices; they will undoubtedly consume a lot of manpower and material resources during manufacture, resulting in a decline in product competitiveness; in particular, they will cause waste of scarce resources such as copper, It is not conducive to energy saving and environmental protection.

Contents of the invention

The purpose of the present invention is to provide a household cabinet air-conditioning system with a refrigeration function, which not only has a refrigeration effect, but also has a corresponding refrigeration function.

In order to solve the above technical problems, the technical solution of the domestic cabinet air-conditioning system with refrigeration function provided by the present invention is to include a refrigerant circulation system and a refrigerator; the refrigerant circulation system includes: a compressor for compressing refrigeration The condenser is used for heat exchange between the refrigerant and the outdoor air side; the first evaporator is used for the heat exchange between the refrigerant and the indoor air side; the condenser and the first evaporator are sequentially connected by the refrigerant pipeline Connected between the exhaust port and the suction port of the compressor; the refrigerant cycle system also includes a second evaporator, connected in parallel with the first evaporator through a refrigerant pipeline, for refrigerant and Heat exchange of air in the refrigerator.

Preferably, a first control valve is provided on the refrigerant pipeline where the first evaporator is located; a second control valve is provided on the refrigerant pipeline where the second evaporator is located.

Preferably, the first control valve and/or the second control valve are solenoid valves.

Preferably, a first flow regulator is provided on the refrigerant pipeline where the first evaporator is located; a second flow regulator is provided on the refrigerant pipeline where the second evaporator is located.

Preferably, the first flow regulator and/or the second flow regulator is an electronic expansion valve.

Preferably, the compressor is an inverter compressor.

Preferably, the suction port of the compressor is connected to a gas-liquid separator for separating the refrigerant liquid at the suction port of the compressor.

Compared with the prior art, the household cabinet air-conditioning system with refrigerating function of the present invention utilizes the existing household air-conditioning system, and through reasonable flow control, only one outdoor unit is used together to make the household air conditioner cool down the room. At the same time, it also has a corresponding refrigeration function. This not only helps to reduce production costs, but also helps to achieve energy saving and environmental protection, and undoubtedly greatly improves the market competitiveness of the product. It has few accessories, simple structure, multiple functions, and is easy to use.

Description of drawings

Fig. 1 is a structural schematic diagram of the refrigerant circulation system in the air conditioning system of the present invention, which shows two working states of refrigeration and refrigeration at the same time;

Fig. 2 is a schematic diagram of the refrigerant circulation system shown in Fig. 1 in a cooling state;

Fig. 3 is a schematic diagram of the refrigerant circulation system shown in Fig. 1 in a refrigerated state.

Detailed ways

The basic idea of the present invention is to make the household air conditioner have multiple functions, that is, to use the existing household air conditioner system, through reasonable flow control, and only use one outdoor unit together, the purpose of cooling food can be achieved while cooling the room.

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

Please refer to FIG. 1 , which is a schematic structural diagram of the refrigerant circulation system in the air-conditioning system of the present invention, and the figure shows two working states of refrigeration and refrigeration at the same time. The cabinet-type air-conditioning system with refrigeration function of the present invention includes a refrigerant circulation system and a refrigerator, and its refrigerant circulation system mainly includes:

Compressor 1, preferably an inverter compressor, has the function of compressing refrigerant, and can adjust the refrigerant flow according to different load requirements;

Condenser 2, used for heat exchange between the refrigerant and the outdoor air side;

The first solenoid valve 3 and the second solenoid valve 6 have opening and closing functions;

The first electronic expansion valve 4 and the second electronic expansion valve 7 have the function of throttling and reducing pressure;

The first evaporator 5 is used for heat exchange between the refrigerant and the indoor air side;

The second evaporator 8 is used for heat exchange between the refrigerant and the air in the refrigerator;

The gas-liquid separator 9 is used to separate the refrigerant liquid at the suction port of the compressor.

The specific connection relationship of the above-mentioned components is:

The first evaporator 5 and the second evaporator 8 are connected in parallel by refrigerant pipelines to form an evaporator group;

The condenser 2, the evaporator group, and the gas-liquid separator 9 are sequentially connected in series between the exhaust port and the suction port of the compressor 1 through the refrigerant pipeline;

The first electromagnetic valve 3 and the first electronic expansion valve 4 are installed on the refrigerant pipeline where the first evaporator 5 is located, and other control valves can also be used for the two;

The second solenoid valve 6 and the second electronic expansion valve 7 are installed on the refrigerant pipeline where the second evaporator 8 is located, and other flow regulators can also be used for the two.

Therefore, using the existing household air-conditioning system, through reasonable flow control, and using only one outdoor unit together, the household air conditioner can cool down the room and also have a corresponding refrigeration function.

The three working states of the air-conditioning system of the present invention are described respectively below:

1. Refrigeration + refrigeration state

Figure 1 shows the best implementation mode of the present invention. When the refrigerant circulates, the first electromagnetic valve 3 and the second electromagnetic valve 6 are opened, and one end of the exhaust port of the compressor 1, the condenser 2, the first electromagnetic valve 3, and the first electromagnetic valve 3 are opened. The electronic expansion valve 4, the first evaporator 5, the gas-liquid separator 9, and the suction pipe of the compressor 1 are sequentially composed of pipes to form a refrigerant circulation pipeline; one end of the exhaust port of the compressor 1, the condenser 2, and the second solenoid valve 6 , the second electronic expansion valve 7, the second evaporator 8, the gas-liquid separator 9, and the suction pipe of the compressor 1 are sequentially composed of pipes to form a refrigeration cycle pipeline. The circulation pipeline is filled with an environmentally friendly refrigerant medium, which is non-toxic, non-flammable, and has a fast cooling speed, which can save energy.

2. Refrigeration status

Please refer to FIG. 2 , which is a schematic diagram of the refrigerant circulation system shown in FIG. 1 in a cooling state. When the refrigerant circulates, the solenoid valve 3 is opened, the solenoid valve 6 is closed, the exhaust port of the compressor 1, the condenser 2, the first solenoid valve 3, the first electronic expansion valve 4, the first evaporator 5, and the gas-liquid separator 9. The suction pipe of compressor 1 is sequentially composed of pipes to form a refrigeration cycle pipeline, and this cycle only provides cooling capacity for the room.

3. Refrigerated state

Please refer to FIG. 3 , which is a schematic diagram of the refrigerant circulation system shown in FIG. 1 in a refrigerated state. When the refrigerant circulates, the solenoid valve 3 is closed, the solenoid valve 6 is opened, one end of the exhaust port of the compressor 1, the condenser 2, the second solenoid valve 6, the second electronic expansion valve 7, the second evaporator 8, and the gas-liquid separator 9. The suction pipe of compressor 1 is sequentially composed of pipes to form a refrigeration circulation pipeline, and this circulation only provides cooling capacity for the refrigerator.

Due to the combination of air-conditioning and refrigeration functions, the present invention not only helps reduce production costs, but also helps realize energy saving and environmental protection, and undoubtedly greatly improves the market competitiveness of products. The air conditioning system of the invention has few accessories, simple structure, more functions and convenient use.

The above are only preferred implementations of the present invention, and it should be noted that the above preferred implementations should not be regarded as limiting the present invention, and the scope of protection of the present invention should be based on the scope defined in the claims. For those skilled in the art, without departing from the spirit and scope of the present invention, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims (7)

1. A household cabinet-type air-conditioning system with refrigeration function, including a refrigerant circulation system and a refrigerator; the refrigerant circulation system includes: a compressor for compressing refrigerant; a condenser for refrigerant and outdoor Heat exchange on the air side; the first evaporator is used for heat exchange between the refrigerant and the indoor air side; the condenser and the first evaporator are sequentially connected in series to the exhaust port of the compressor, Between the suction ports, it is characterized in that the refrigerant cycle system also includes a second evaporator, which is connected in parallel with the first evaporator through a refrigerant pipeline, and is used for the exchange between the refrigerant and the air in the refrigerator. heat exchange. 2. The household cabinet air-conditioning system with refrigeration function according to claim 1, wherein a first control valve is set on the refrigerant pipeline where the first evaporator is located; A second control valve is arranged on the agent pipeline. 3. The domestic cabinet air-conditioning system with refrigeration function according to claim 2, characterized in that, the first control valve and/or the second control valve are solenoid valves. 4. The household cabinet air-conditioning system with refrigeration function according to claim 1, characterized in that, a first flow regulator is arranged on the refrigerant pipeline where the first evaporator is located; A second flow regulator is arranged on the refrigerant pipeline. 5. The domestic cabinet air conditioner system with refrigeration function according to claim 4, characterized in that, the first flow regulator and/or the second flow regulator is an electronic expansion valve. 6. The household cabinet air conditioner system with refrigeration function according to claim 1, wherein the compressor is an inverter compressor. 7. The household cabinet air-conditioning system with refrigeration function according to any one of claims 1-6, characterized in that, the suction port of the compressor is connected to a gas-liquid separator for separating the suction of the compressor. Refrigerant liquid in the mouth.

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