KR0143336B1 - Refrigerator and airconditioner - Google Patents

Abstract

The present invention relates to an air conditioner for a combined use of a refrigerator, wherein the evaporator of the air conditioner is configured using a temperature-holding material having a large amount of heat, and the refrigerator is combined to operate only when air conditioning is required by storing the refrigerant by using a valve to control the flow of refrigerant. It relates to an air conditioner.

In the refrigerator combined air conditioner of the present invention for performing the above object, a compressor for introducing and compressing a refrigerant, a condenser for condensing the refrigerant discharged from the compressor, a pressure reducer for reducing the refrigerant passing through the condenser, the pressure reducer A refrigerator and an air conditioner including a evaporator for an air conditioner for exchanging refrigerant passing through the air conditioner to perform a refrigeration cycle of an air conditioner, and an evaporator for a refrigerator for exchanging the refrigerant passing through the pressure reducer integrally with the high pressure side compressor. In the air conditioning evaporator is installed a temperature holding material for holding the heat exchanged during the evaporation process of the refrigerant.

Description

Refrigerator / Air Conditioner

1 is a perspective view of a conventional refrigerator and air conditioner.

2 is a block diagram of a temperature holding material according to the present invention.

3 is a cross-sectional view of a dual-use refrigerator air conditioner according to the present invention.

4 is a control block diagram of a dual-purpose refrigerator air conditioner according to the present invention.

5 is a control flowchart of a dual-use refrigerator air conditioner according to the present invention.

Figure 6 is a block diagram showing a two-stage compression system as an embodiment of a refrigerator and air conditioner according to the present invention.

7 and 8 and 9 is a configuration diagram showing a refrigeration cycle that is another embodiment of a dual-use air conditioner according to the present invention.

* Explanation of symbols for main parts of the drawings

1: refrigerator compartment 2: freezer compartment

3: condenser 4: high pressure compressor

4 ': Low pressure side compressor 5: Air purification filter

6: Refrigerator evaporator 6 ': Air conditioner evaporator

7: discharge part 8: blower fan

9: refrigerant delivery pipe 10: key input

11: Air inlet 12: Tube

13: Heating pin 14: Temperature holding material

15: Wind direction controller 16: first expansion unit

17: 2nd expansion part 18: intermediate heat exchanger

19: solenoid valve 30: human body detection unit

40: temperature detection unit 41: room temperature detection unit

42: low pressure side compressor drive unit 43: high pressure side compressor drive unit

44: blower motor drive unit 45: refrigerator fan drive unit

46: capillary 50: refrigerator

60: air conditioner 80: control unit

100: the body

The present invention relates to a refrigerator-based air conditioner, and in particular, is configured by installing a temperature-holding material having a large amount of heat in an evaporator of the air conditioner, using a valve to control the flow of the refrigerant, and storing the refrigerator by operating only when air conditioning is required. It relates to a combined air conditioner.

In general, a kitchen in which a refrigerator is installed generates a lot of heat and has a high degree of pollution such as dust or odor. Therefore, a cooling facility and an air purifying facility are required. In the refrigerator / air conditioner of the present invention, an air conditioner is installed on an upper part of a refrigerator. It is to provide a refrigerator and air conditioner that can simultaneously perform the function of freezing and refrigeration and air conditioning.

Such a conventional air conditioner for dual purpose refrigerators is presented in Korean Utility Model No. 86-3033. As shown in FIG. 1, a refrigerator 50 and a refrigerator 50 including a freezer compartment 2 installed on an upper side of a refrigerator compartment 1 are provided. An air conditioner 60 installed at an upper portion, a compressor 4 installed at a lower end of the refrigerator 50 to compress the introduced refrigerant into a gas state at a high temperature and high pressure, and a passage for carrying the refrigerant generated by the compressor 4. Refrigerator for performing a heat exchange action to discharge the refrigerant of low temperature and low pressure into the refrigerator (50) associated with the refrigerant delivery pipe (9), the refrigerant delivery pipe (9) installed on one side of the compressor (4). An evaporator 6, an evaporator 6 'for an air conditioner and an evaporator 6 for an air conditioner, which are separately installed in the compressor 4, are connected to the refrigerant delivery pipe 9, and perform a heat exchange operation for releasing a low temperature low pressure refrigerant. Inside and outside the air conditioner An air purifying filter 5 for purifying the air introduced into the air and the discharged air conditioner, a discharge part 7 formed in front of the air conditioner to discharge the air-conditioned air, and installed behind the discharge part 7. It is composed of a blowing fan (8) for introducing the outside air to blow to the air conditioner evaporator (6 ') to perform the air conditioning function.

In the conventional combination refrigerator-free air conditioner configured as described above, two refrigerant delivery tubes 3 and 3 'are installed in the compressor 4 of the refrigerator 50 so that the refrigerator 50 starts operation. The refrigerant delivery pipe (3) is a refrigerator evaporator (4) located on the side of the freezer compartment (2) above the refrigerator (50) to condense the high temperature and high pressure gas refrigerant generated by the compressor (4) and convert it into a low temperature low pressure liquid refrigerant. Low temperature and low pressure liquid refrigerant is formed by the refrigerant exchange pipe 3 'installed in the compressor 4 separately from the refrigerant transfer pipe 3 to perform a freezing and refrigerating function by heat exchange in the refrigerator. Is introduced into the air conditioner evaporator 6 installed above the refrigerator 50, the external air introduced by the operation of the blower fan 8 is ignited while passing through the air purification filter 5, and the air conditioner evaporator Heat exchanger with (6) before the air conditioner (60) A discharge portion for discharging the air conditioning function through (7) formed on and operable to perform in parallel.

Conventional refrigerator combined air conditioner operates as described above, the air conditioner is installed on the upper part of the refrigerator to perform the refrigeration and refrigeration function and the air conditioning function in parallel, so that the overload is applied to the compressor shortens the life of the combined air conditioner of the refrigerator In the season or the kitchen does not require cooling, the discharge unit formed in front of the evaporator for the air conditioner, the blowing fan installed in the rear facing the opposite side and the control unit for controlling the apparatus is installed in the refrigerator combined air conditioner for heat exchange action, A human body detecting unit connected to the control unit and installed in a part of the main body to detect a human body located in front, and installed in a part of the evaporator for the air conditioner to hold heat conducted by the harmonized air, and by detecting the human body detecting unit If there is a person in the kitchen, the heat retained by the operation of the blower fan It is to have a temperature holding material that emits.

In the refrigerator combined air conditioner of the present invention for performing the above object, a compressor for introducing and compressing a refrigerant, a condenser for condensing the refrigerant discharged from the compressor, a pressure reducer for reducing the refrigerant passing through the condenser, the pressure reducer A refrigerator and an air conditioner, including an evaporator for an air conditioner for exchanging the refrigerant that has passed through, to perform a refrigeration cycle of an air conditioner, and an evaporator for a refrigerator that heat exchanges the refrigerant passing through the pressure reducer integrally with the high pressure side compressor. In the air conditioner evaporator is installed a temperature holding material for holding the heat exchanged during the evaporation process of the refrigerant.

In the air conditioning evaporator 6 ′ of the present invention, as shown in FIG. 2, a tube 12 through which a refrigerant is carried is passed between temperature holding materials 14, such as stones and steel mesh, which are easy to release and absorb heat. It is configured for heat transfer.

Hereinafter, described in detail by the accompanying drawings as follows.

Referring to the configuration of the refrigerator-based air conditioner of the present invention based on 3 to 4 as follows.

3 is a cross-sectional view of the air conditioner combined use of the refrigerator according to the present invention, the refrigerator 50 including the freezer compartment 2 installed above the refrigerating compartment 1, the air conditioner 60 installed above the refrigerator 50, the refrigerator (50) Low pressure compressor (4), which is installed on one side of the lower side to perform the refrigeration cycle to compress the refrigerant introduced into the gas state of high temperature and high pressure to perform the freezing and refrigeration function, the other side of the refrigerator 50, the refrigeration A high pressure side compressor (4 ') for compressing the refrigerant introduced into a gaseous state of high temperature and high pressure to perform an air conditioning function by performing a cycle, and a passage for carrying the refrigerant generated by the high pressure and low pressure compressor (4) (4') A heat exchanger for discharging the low temperature low pressure refrigerant into the refrigerator 50 by being connected to the refrigerant delivery pipe 3 and 3 'and the refrigerant delivery pipe 3 installed on one side of the low pressure compressor 4, Tube, which is the conveying passage of the refrigerant to perform the action A refrigerator evaporator 6 having a heat exchanger fin structure for improving heat exchange efficiency and a refrigerant installed in the high pressure side compressor 4 and connected to a refrigerant delivery pipe 3 'to release a low temperature low pressure refrigerant Condensing the high temperature and high pressure gas refrigerant flowing from the high-pressure side compressor (4) for the air conditioner evaporator (6) and the high-pressure side compressor (4) to perform a heat exchange action by mixing the tube as a transport passage and the temperature holding material (14) having a large heat absorption capacity Condenser 3, the first expansion portion 16 for controlling the flow rate of the refrigerant condensed in the condenser to expand into a saturated refrigerant of low temperature and low pressure, and then to the air conditioner evaporator (6 '), the refrigerant condensed in the condenser Between the second expansion unit 17 and the air conditioner evaporator 6 ′ and the first expansion unit 17 which are expanded by the low temperature and low pressure saturated refrigerant to be introduced into the refrigerator evaporator 6 and controlled. Installed in the evaporator 6 'for the air conditioner. The solenoid valve 19 to control the flow of the refrigerant flowing in, the air purifier filter 5 is installed in the rear of the air conditioner evaporator 6 to purify the air flowing into the air conditioner, formed in front of the air conditioner And a blower fan for discharging the air, which is discharged from the air conditioner and installed at the rear of the discharge unit 7 to face the discharge unit, and blows external air into the evaporator 6 for the air conditioner. (8), an intermediate heat exchanger (18) installed between the low pressure side compressor (4 ') and the condenser (3), and the control device of the present invention, as shown in FIG. The key input unit 10 for sensing, the body 100 is installed on one side of the body 100 to detect the presence of the human body in the air conditioning direction, the temperature installed in the refrigerator 50 and the refrigerator 50 to detect the temperature of the refrigerator compartment and the freezer compartment The room where the sensor 40 and the main body 100 are installed The control unit 80 to determine the state of the present invention by the input portion of the room temperature detection unit 41 for sensing the temperature and the input from the input portion to control each drive device to be described later, the refrigerant performing the freezing and refrigeration functions Low pressure side compressor drive unit 42 for compressing the high temperature and high pressure, the high pressure side compressor 43 for compressing the refrigerant performing the air conditioning function at high temperature and high pressure, by introducing the external air by the rotational force and discharge to the outside to enable air conditioning The blower motor driving unit 44 and each driving circuit unit of the circulating fan driving unit 45 circulating the refrigerant for performing the refrigerating and freezing into the refrigerator 50.

Referring to the operation flow of the refrigerator-based air conditioner of the present invention configured as described above with reference to FIG.

When power is supplied to the refrigerator-based air conditioner of the present invention and starts to operate, the microcomputer 80 receives the temperature of the freezer compartment and the refrigerating compartment by the temperature sensor 40 which senses the temperature in the refrigerator 50 (step 101). ), It is determined whether the reference temperature is suitable to perform the freezing and refrigeration (step 102), if less than the reference temperature is installed on one side of the refrigerator 50 at the bottom of the refrigerant flows to perform the freezing and refrigeration function by performing the freezing cycle Stop the low pressure side compressor 4 for compressing the gas to a high temperature and high pressure gas state (step 103), and if the reference temperature is higher than the reference temperature, operate the low pressure side compressor to operate the refrigerator 50 for compressing the refrigerant (step 104). ).

During operation of the refrigerator 50, the user checks the operation mode of the air conditioner set through the key input unit 10 (step 105). If the user only wants a simple air cleaning function and the air conditioner operation mode is set to blowing, the micro The computer 80 stops the heat exchange operation by stopping the high pressure side compressor 4 'installed at the bottom of the refrigerator 50 to compress the refrigerant introduced into a gaseous state of high temperature and high pressure to perform an air conditioning function by performing a refrigeration cycle. (Step 106), the refrigerant is provided between the air conditioner evaporator (6 ') and the first expansion portion 17 to shield the solenoid valve (19) to control the flow of the refrigerant flowing into the air conditioner evaporator (6') Intermittent flow (step 107), and outputs a signal to the blower motor driver 44 to operate only the blower fan 8 installed behind the discharge section 7 of the air conditioner (60) (step 108). ) Do not heat by inflowing outside air It performs air cleaning function of AS and discharge.

If the user has automatically set the air conditioner operation mode, the microcomputer 80 measures the temperature of the room in which the refrigerator / air conditioner of the present invention is installed by vomiting the room temperature sensing unit 41 (step 109). If the indoor temperature is lower than the set temperature which is required for air conditioning, the high pressure side compressor (4 ') installed at the bottom of the refrigerator 50 to compress the refrigerant introduced into the gas state at high temperature and high pressure to perform the air conditioning function by performing a refrigeration cycle. Stop the heat exchange operation (step 110), and is installed between the air conditioner evaporator 6 'and the first expansion unit 17 to control the flow of the refrigerant flowing into the air conditioner evaporator 6'. The solenoid valve 19 is shielded to interrupt the flow of refrigerant (step 111), and outputs a signal to the blower motor driver 44 to provide a blower fan disposed behind the discharge unit 7 of the air conditioner 60. Stop the operation of (8) (step 112) If the operation of the air conditioner 60 is stopped and the room temperature is higher than the set temperature at which the air conditioning is required by the detection of the room temperature detecting unit 41, the microcomputer 80 may detect the human body detecting unit 30. By detecting the presence of a person in the room where the air conditioner combined with the refrigerator of the present invention is installed (step 113), if there is a person by applying an output signal to the high-pressure compressor drive unit 43, the refrigerator 50 Installed at the bottom to perform a heat exchange function by operating the high-pressure side compressor (4 ') to compress the refrigerant introduced into the gas state of high temperature and high pressure to perform the air conditioning function by performing the refrigeration cycle (step 114), the evaporator for the air conditioner The solenoid valve 19 is installed between the 6 'and the first expansion part 17 to control the flow of the refrigerant flowing into the air conditioner evaporator 6' so that the refrigerant flows into the air conditioner evaporator 6 '. To enter (step 115), The blower motor drive unit 44 outputs a signal to operate the blower fan 8 installed at the rear of the opposite side to the discharge unit 7 of the refrigerator / air conditioner 60 (step 116). Start the action.

If the temperature of the room in which the main body 100 is installed is higher than the set temperature at which air conditioning is required, if the human body does not exist in the room by the detection of the human body detecting unit 30, the microcomputer 80 may operate the high-pressure compressor. Stop (step 117), not only shut off the solenoid valve 19 (step 118) but also stop the operation of the blower fan 8 so that the air conditioner 60 does not operate, and only the refrigerator 50 is selectively operated. Let's go.

In the refrigerator and air conditioner of the present invention, as shown in FIG. 6, a two-stage compression system in which the low pressure side compressor 4 'which performs the freezing and refrigerating functions and the high pressure side compressor 4 which performs the air conditioning function are separately installed. The refrigerant is configured to perform a heat exchange operation so that the high temperature and high pressure gas refrigerant from the high pressure compressor (4) flows into the condenser (3) and condenses. The temperature retaining material 14 flows into the installed air-conditioning evaporator 6 'and evaporates to perform the air-conditioning function. The refrigerant of the other side, which is resent from the condenser 3, flows into the intermediate heat exchanger 18 and moves to the lower portion thereof. As it is discharged, the evaporation is completed after passing through the second expansion unit 17 and the evaporator 6 for the refrigerator, and the refrigerant is discharged into the low pressure side compressor 4 'and the refrigerant discharged from the low pressure side compressor 4' is an intermediate heat exchanger ( Heat transfer from 18) and then to his upper part The output temperature is not material 14 to join with the refrigerant from the air conditioner evaporator 6 'chakseol is recirculated flows into the high pressure side compressor (4).

7, 8 and 9 of the accompanying drawings is a block diagram showing a refrigeration cycle that is another embodiment of a dual-use air conditioner according to the present invention.

7 is an embodiment of a refrigerator-based air conditioner of the present invention, the high-temperature, high-pressure gas refrigerant from the compressor (4) performing the freezing and refrigerating function flows into the condenser (3) to condense, the condensed refrigerant is resent One side is introduced into the air-conditioning evaporator (6 ') in which the temperature holding material (14) is installed in the first expansion portion (16) to perform a heat exchange function to perform the air conditioning function, the refrigerant of the other side resent from the condenser (3) As the water is introduced into the second expansion unit 17 and depressurized and discharged to the second expansion unit 17, the evaporation is completed while passing through the evaporator 6 for the refrigerator, and the heat is transferred. The refrigerant and the refrigerant from the air conditioning evaporator (6 ') is introduced into the compressor (4) is recycled.

In addition, FIG. 8 is another embodiment of the refrigerator-based air conditioner of the present invention, wherein the high temperature and high pressure gas refrigerant from the compressor 4 performing the freezing and refrigerating functions is introduced into the condenser 3 to condense, and The refrigerant is decompressed while passing through the capillary tube 46, and the evaporation is completed while the decompressed refrigerant passes through the evaporator 6 for a refrigerator, thereby performing a heat exchange operation, and then effectively reducing the evaporation pressure to increase the evaporation effect. Flow into the intermediate heat exchanger (18) to perform a heat exchange action, and then the temperature retaining material (14) flows into the installed air conditioner evaporator (6 ') and performs heat exchange by performing heat exchange to the compressor (4). And recycle.

And, Figure 9 is another embodiment of the refrigerator and air conditioner of the present invention, the high temperature and high pressure gas refrigerant from the compressor (4) performing the freezing and refrigeration function is introduced into the condenser (3), condensation, The refrigerant is decompressed while passing through the capillary tube 46, and the refrigerant under reduced pressure passes through the evaporator 6 for a refrigerator to perform a heat exchange function to perform a freezing and refrigerating function, and then a temperature preservation material 14 is installed. It is introduced into the evaporator (6 ') for heat exchange to perform the air conditioning function and enter the compressor (4) to be recycled.

As described above, in the refrigerator-based air conditioner of the present invention, as a two-stage compression system constituting the high pressure side compressor for the air conditioner and the low pressure side compressor for the refrigerator, the heat transfer action increases the life of the combined air conditioner for the refrigerator. In order to prevent unnecessary energy waste by installing the air conditioning function only when there is a person in the kitchen by detecting the human body detection sensor, a solenoid valve is installed at the input and output terminals of the evaporator for the air conditioner to prevent the cooling of the refrigerant. There is an advantage to perform the air cleaning function by blocking.

Claims (4)

A compressor (4) for introducing and compressing refrigerant, a condenser (3) for condensing the refrigerant discharged from the compressor (4), a pressure reducer (46) for reducing the refrigerant passing through the condenser (3), and the pressure reducer ( And an evaporator 6 'for an air conditioner for exchanging the refrigerant passing through 46) to perform a refrigeration cycle of the air conditioner, and the refrigerant passed through the pressure reducer 17 integrally with the high-pressure side compressor 4; In the refrigerator and air conditioner having a refrigerator evaporator 6 for heat exchange, the air conditioner evaporator 6 ′ is equipped with a temperature holding material 14 for holding heat exchanged when the refrigerant evaporates. Refrigerator combined air conditioner, characterized in that. According to claim 1, wherein the human body is detected by the human body sensing unit 30 for holding the heat conducted by the evaporator (6 ') for the air conditioner is installed at a predetermined position of the main body to detect the human body located in front And a temperature holding material (14) releasing heat held by the control of the control unit (80). The air conditioner of claim 1 or 2, wherein the temperature holding material (14) uses a material such as water, stone, steel mesh, or the like having a large heat storage capacity. A high pressure side compressor 4 for introducing and compressing refrigerant, a condenser 3 for condensing the refrigerant discharged from the high pressure side compressor 4, a pressure reducer 16 for reducing the refrigerant passing through the condenser 3, A refrigeration cycle for an air conditioner is provided to heat exchange the refrigerant passing through the pressure reducer 16 to perform a refrigeration cycle of the air conditioner, and a low pressure side compressor for a refrigerator installed separately from the high pressure side compressor 4 ( 4 '), the refrigerant discharged from the low pressure side compressor 4' is condensed, and the condensed one side refrigerant flows into the outlet side of the evaporator 6 'for the air conditioner, and the other side condensed refrigerant performs a refrigeration cycle of the refrigerator. An intermediate heat exchanger (18), a pressure reducer (17) for reducing the refrigerant passing through the intermediate heat exchanger (18), and an evaporator (6) for a heat exchanger for the refrigerant passing through the pressure reducer (17) Refrigerator combined air conditioning for refrigeration cycle In the air-conditioning evaporator (6 ') for a refrigerator, the combined air, characterized in that the temperature not material 14 for holding the heat exchange carried out during the evaporation process of the refrigerant in the chakseol conditioner.