CN201306902Y - Air conditioner with heat-recovery type heat pump and refrigerator integrated machine - Google Patents

Abstract

The utility model is suitable for the field of refrigeration and heating equipment, and provides a heat recovery type heat pump air conditioner and refrigerator integrated machine, including an outdoor unit as a cold and heat source for a refrigerator, an air conditioner, and a water heater, and an indoor unit as a terminal device for a refrigerator and an air conditioner. The outdoor unit and the indoor unit are connected with pipelines. After adopting the above technical scheme, the three functions of air conditioner, refrigerator and water heater can all be realized in the heat recovery type heat pump air conditioner and refrigerator integrated machine. Social resources, reducing floor space; 2. Air conditioners, refrigerators, and water heaters share one control system and circulation system, and the energy-saving cycle of air conditioners, refrigerators for cooling, and water heater heating simultaneously reduces energy consumption and saves energy; 3. Integrates three household appliances into one Integrate, improve the utilization rate of the equipment, improve the use value of the equipment.

Description

A heat recovery type heat pump air conditioner and refrigerator integrated machine

technical field

The utility model belongs to the field of refrigeration and heating equipment, in particular to a heat recovery type heat pump air conditioner and refrigerator integrated machine.

Background technique

With the rapid development of China's economy and the improvement of people's living standards, air conditioners, refrigerators, and water heaters have become daily necessities. At present, air conditioners, refrigerators, and water heaters used in households are all independent electrical equipment. Among them, air conditioners have a large one-time investment, low utilization rate, and large waste heat generation, which aggravates the urban heat island effect. Refrigerators and water heaters operate throughout the year and have a high utilization rate. However, when refrigerators cool in summer, waste heat is also discharged into the indoor air, causing indoor temperatures to rise and increasing the load on air conditioning; electric water heaters simply convert electrical energy into heat energy, and energy consumption High, low energy saving.

In the existing refrigeration equipment, refrigerators and air conditioners are two kinds of refrigeration equipment with different functions, but their refrigeration principles are basically the same. They work in sequence in the evaporator, compressor, condenser, and capillary tubes in turn by the refrigerant. The system goes through four basic processes of evaporation, compression, condensation, and throttling to complete the cycle of heat absorption and heat release. During the cooling process, heat pump air conditioners and refrigerators emit a large amount of waste heat, which is not utilized, and when the water heater heats hot water, a large amount of heat energy is required to heat the hot water.

Utility model content

The purpose of this utility model is to provide a heat recovery type heat pump air conditioner and refrigerator integrated machine, aiming at solving the problem that the air conditioners, refrigerators, and water heaters used in households are used alone, resulting in large investment, low utilization rate, and low energy consumption. high question.

The utility model is achieved in this way, a heat recovery type heat pump air conditioner and refrigerator integrated machine, including an outdoor unit as a cold and heat source for a refrigerator, an air conditioner, and a water heater, and an indoor unit as a terminal device for a refrigerator and an air conditioner, the outdoor unit and The indoor unit is connected with pipes.

After adopting the above technical solutions, the three functions of air conditioner, refrigerator and water heater can all be realized in the integrated heat pump air conditioner and refrigerator with heat recovery. Its specific beneficial effects are:

1. The structure is simple, the manufacturing cost is low, and one machine can be used for multiple purposes, saving social resources and reducing the occupied space.

2. Air conditioners, refrigerators, and water heaters share one control system and circulation system. Air conditioners, refrigerators are cooled, and water heaters are heated at the same time. The energy-saving cycle reduces energy consumption and saves energy.

3. Integrate three kinds of household appliances into one, which improves the utilization rate of the equipment and the use value of the equipment.

4. It can realize multiple functions such as separate operation of cooling (heating) and simultaneous operation of cooling and heating to meet people's growing living standards.

Description of drawings

Fig. 1 is a schematic diagram of the internal working principle of the integrated heat pump air conditioner with heat recovery and refrigerator provided by the embodiment of the present invention.

Fig. 2 is a schematic diagram of the centralized appearance of the integrated heat pump air conditioner with heat recovery and refrigerator provided by the embodiment of the present invention.

Fig. 3 is a schematic diagram of the split appearance of the integrated heat pump air conditioner with heat recovery and the refrigerator provided by the embodiment of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Please refer to FIG. 1 , FIG. 2 and FIG. 3 , the utility model includes an outdoor unit 10 and an indoor unit 20 with a heat recovery type heat pump air conditioner and refrigerator integrated machine.

The outdoor unit includes a compressor 10, a hot water tank 170, a reversing four-way valve 120, a first solenoid valve 16, a second solenoid valve 15, a condenser 13, a liquid reservoir 14, a fan 18 and an outdoor casing 19. . The compressor 10 , the hot water tank 170 , the reversing four-way valve 120 , the first solenoid valve 16 , the second solenoid valve 15 , the condenser 13 and the liquid receiver 14 are all placed in the outdoor casing 19 . The fan is fixed on the outdoor casing 19 for cooling the outdoor unit.

Please refer to FIG. 1 , one end of the compressor 10 is connected to one end of the heat exchange coil 171 provided on the water heater 170 through the first electromagnetic valve 16 , and the other end is connected to the left end 124 of the reversing four-way valve 120 . The other end of the heat exchange coil 171 is connected to the right end 122 of the reversing four-way valve 120, and there is a second solenoid valve 15 bypassing between the heat exchange coil 171 and the right end 122 of the reversing four-way valve 120. . The water heater 170 includes a water inlet 173 and a water outlet 172 , cold water enters the water heater 170 through the water inlet 173 , and flows out from the water outlet 172 after the water heater 170 performs heat exchange and becomes hot water.

The lower end 123 of the reversing four-way valve 120 is sequentially connected to the condenser 13 and the liquid reservoir 14 and then connected to the indoor unit 20 through copper pipes.

Please refer to FIG. 1 , the indoor unit 20 includes an air conditioner terminal device 220 and a refrigerator terminal device 230 , wherein the air conditioner terminal device 220 device includes a first capillary tube 224 , a third capillary tube 223 , a one-way valve 222 , and an air conditioner evaporator 225 , a pressure balance valve 226 and a fourth solenoid valve 227; the copper pipe from the outdoor unit 10 to the indoor unit passes through the third solenoid valve 21 and the first capillary 224, the third capillary 223, the air conditioner evaporator 225, and the pressure balance valve 226 It is serially connected with the fourth solenoid valve 227 , and the fourth solenoid valve 227 is connected with the upper end 121 of the reversing four-way valve 120 . The one-way valve 222 is connected in parallel with the first capillary 224 .

Please refer to FIG. 1 , the refrigerator end device 230 includes a second capillary 231 , a refrigerator evaporator 232 and a fifth solenoid valve 233 . The copper pipe leading to the indoor unit is connected in series with the second capillary 231 , the refrigerator evaporator 232 and the fifth solenoid valve 233 sequentially through the third solenoid valve 21 , and the fifth solenoid valve 233 is connected with the upper end of the reversing four-way valve 120 .

The indoor unit 20 is also provided with a sixth solenoid valve 24, one end of the sixth solenoid valve 24 is connected to the liquid reservoir 14, and the other end is connected to the outlet of the refrigerator evaporator, and the connection position is located at the fifth solenoid valve. 25 or more.

The indoor unit 20 is also provided with a fan (not shown) for supplying cold air to the room, and the fan is placed in the end device 220 and the refrigerator end device 230 .

All components of the above indoor unit 20 and outdoor unit 10 are connected by copper pipes 3 , and the indoor unit 20 and outdoor unit 10 are also connected by copper pipes 3 .

The working mode of the utility model mainly includes: independent cooling of the air conditioner, independent cooling of the refrigerator, independent heating of hot water, simultaneous cooling of the air conditioner and refrigerator, and cooling of the refrigerator for heating by the air conditioner. Wherein, all can make or cancel making hot water as required in any working mode. It will be described one by one below in conjunction with the accompanying drawings.

1. The air conditioner is individually refrigerated

Referring to FIG. 1 , close the first solenoid valve 16 , the sixth solenoid valve 24 , and the fifth solenoid valve 25 , open the second solenoid valve 15 , the third solenoid valve 21 , and the fourth solenoid valve 227 , and adjust the pressure balance valve 226 . The high-temperature and high-pressure refrigerant flows from the exhaust port of the compressor 11 through the second solenoid valve 15 to the right end 122 of the reversing four-way valve 120, and then flows into the air-cooled condenser 13. After heat exchange, the refrigerant becomes normal temperature and high pressure of liquid. The refrigerant then passes through the liquid receiver 14, the third electromagnetic valve 21, the check valve 222 and the third capillary 223. When the refrigerant passes through the third capillary 223, it changes from a normal temperature and high pressure liquid to a low temperature and low pressure liquid, and then passes through the air conditioner. The evaporator 225 performs heat exchange, and after absorbing the heat of the room, the refrigerant turns into a low-temperature and low-pressure gas, and finally flows back to the compressor 11 through the pressure balance valve 226, the fourth solenoid valve 227, and the upper end 121 of the reversing four-way valve 12. mouth, after compressor 11 works, carry out next cycle. When hot water needs to be produced at the same time, close the second solenoid valve 15 and open the first solenoid valve 16. The refrigerant first passes through the built-in heat exchange coil 171 of the hot water tank 170 to heat the hot water, and then flows to the reversing four-way valve. The right end 122 of 12.

2. The refrigerator is refrigerated separately

Please refer to Figure 1, refrigerator cooling alone is similar to air conditioner cooling alone. Close the first electromagnetic valve 16, the fourth electromagnetic valve 227, and the sixth electromagnetic valve 24, and open the second electromagnetic valve 15, the third electromagnetic valve 21, and the fifth electromagnetic valve 25. The high-temperature and high-pressure refrigerant flows from the exhaust port of compressor 1 to the right end 122 of the reversing four-way valve 120 through the second solenoid valve 15, and then flows into the air-cooled condenser 13. After heat exchange, the refrigerant becomes normal temperature and high pressure of liquid. The refrigerant then passes through the liquid accumulator 14 and the third electromagnetic valve 21. When passing through the second capillary tube 231, the refrigerant changes from a normal temperature and high pressure liquid to a low temperature and low pressure liquid. The refrigerant then passes through the refrigerator evaporator 232 for heat exchange and absorbs the After heating, the refrigerant turns into a low-temperature and low-pressure gas, and finally flows back to the suction port of the compressor 11 through the fifth electromagnetic valve 12 and the reversing four-way valve 1202. After the compressor 11 does work, the next cycle is carried out. Similarly, when hot water needs to be produced at the same time, close the second solenoid valve 15 and open the first solenoid valve 16. The refrigerant first passes through the built-in heat exchange coil 171 of the hot water tank 170 to heat the hot water, and then flows to the reversing four-way Valve 120.

3. Make hot water separately

Please refer to FIG. 1 , close the second solenoid valve 15 , the third solenoid valve 21 , and the fourth solenoid valve 227 , and open the first solenoid valve 16 , the fifth solenoid valve 25 , and the sixth solenoid valve 24 . The high-temperature and high-pressure refrigerant is heated by the exhaust port of the compressor 11 through the first electromagnetic valve 16 through the built-in heat exchange coil 171 of the hot water tank 170, and then flows to the reversing four-way valve 120 and the air-cooled condenser 13. After heat exchange, it passes through the liquid accumulator 14, the sixth solenoid valve 24, the fifth solenoid valve 25, and finally flows back to the suction port of the compressor 11 through the reversing four-way valve flow 120. After the compressor 11 does work, the next One cycle.

4. Air conditioner heating alone

Referring to FIG. 1 , close the first solenoid valve 16 , the fifth solenoid valve 25 , and the sixth solenoid valve 24 , open the second solenoid valve 15 , the third solenoid valve 21 , and the fourth solenoid valve 227 , and adjust the pressure balance valve 226 . The high-temperature and high-pressure refrigerant flows from the exhaust port of the compressor 11 to the reversing four-way valve 120 through the second solenoid valve 15, and then passes through the fourth solenoid valve 227, the pressure balance valve 226, and the air conditioner evaporator 225 to exchange with the indoor air. After heating, the refrigerant passes through the accumulator 14, the air-cooled condenser 13, and finally flows back to the suction port of the compressor 11 through the reversing four-way valve flow 120. After the compressor 11 does work, the next cycle is carried out. When hot water needs to be produced at the same time, close the second solenoid valve 15 and open the first solenoid valve 16, the refrigerant first passes through the built-in heat exchange coil 171 of the hot water tank 170 to heat the hot water, and then flows to the reversing four-way valve 120.

5. Air conditioning, heating, refrigerator cooling

Referring to FIG. 1 , close the first solenoid valve 16 , the third solenoid valve 21 , and the fifth solenoid valve 25 , open the second solenoid valve 15 , the fourth solenoid valve 227 , and the sixth solenoid valve 24 , and adjust the pressure balance valve 226 . The high-temperature and high-pressure refrigerant flows from the exhaust port of the compressor 11 to the reversing four-way valve 120 through the second solenoid valve 15, and then passes through the fourth solenoid valve 227, the pressure balance valve 226, and the air conditioner evaporator 225 in sequence, and exchanges with the indoor air. After heating, the refrigerant passes through the third capillary 223, the first capillary 222, and the second capillary 231, and then enters the refrigerator evaporator 232. After absorbing the internal heat of the refrigerator, the refrigerant passes through the sixth electromagnetic valve 24, the liquid reservoir 14, the air-cooled The condenser 13 finally flows back to the suction port of the compressor 11 through the reversing four-way valve flow 120, and after the compressor 11 performs work, the next cycle is performed. When hot water needs to be produced at the same time, close the second solenoid valve 15 and open the first solenoid valve 16, the refrigerant first passes through the built-in heat exchange coil 171 of the hot water tank 170 to heat the hot water, and then flows to the reversing four-way valve 120.

6. The air conditioner and refrigerator are simultaneously refrigerated

Please refer to Figure 1, the simultaneous cooling of the air conditioner and the refrigerator is similar to the separate cooling of the air conditioner. The first solenoid valve 16 and the sixth solenoid valve 24 are closed, and the second solenoid valve 15 , the fourth solenoid valve 227 , the third solenoid valve 21 and the fifth solenoid valve 25 are opened. The high-temperature and high-pressure refrigerant flows from the exhaust port of the compressor 11 to the reversing four-way valve 120 through the second solenoid valve 15, and then flows into the air-cooled condenser 13. After heat exchange, the refrigerant becomes a liquid at room temperature and high pressure. After passing through the liquid reservoir 14 and the third electromagnetic valve 21, it is divided into two paths. When one path passes through the second capillary 231, the liquid at normal temperature and high pressure becomes the liquid at low temperature and low pressure. Then through the refrigerator evaporator 232 for heat exchange, after absorbing the heat of the refrigerator, the refrigerant becomes a low-temperature and low-pressure gas, and finally passes through the solenoid valve 25; when the other path passes through the check valve 222 and the third capillary tube 223, the liquid at normal temperature and high pressure becomes It is a low temperature and low pressure liquid. Then through the air-conditioning evaporator 225 for heat exchange, after absorbing the heat of the room, the refrigerant becomes a low-temperature and low-pressure gas, and finally flows back to the compressor 11 for suction through the pressure balance valve 226, the fourth solenoid valve 227, and the reversing four-way valve 120 mouth, after compressor 11 works, carry out next cycle. Similarly, when hot water needs to be produced at the same time, close the second solenoid valve 15 and open the first solenoid valve 16. The refrigerant first passes through the built-in heat exchange coil 171 of the hot water tank 170 to heat the hot water, and then flows to the reversing four-way Valve 120.

Referring to Fig. 2 and Fig. 3, the indoor unit 20 of the present invention is also provided with a vent 26 for delivering cold or hot air to the room. The vent can be centrally installed with the indoor unit, or installed separately from the indoor unit.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (4)

1. A heat recovery type heat pump air conditioner and refrigerator integrated machine, characterized in that it includes an outdoor unit as a cold and heat source for refrigerators, air conditioners, and water heaters, and an indoor unit as a terminal device for refrigerators and air conditioners, and the outdoor unit and indoor unit Connect with pipes. 2. The heat recovery type heat pump air conditioner and refrigerator integrated machine according to claim 1, characterized in that: the outdoor unit includes a compressor, a hot water tank, a reversing four-way valve, a first solenoid valve, a second solenoid Valve, condenser, fan for cooling the condenser and outdoor casing; the compressor, hot water tank, reversing four-way valve, first solenoid valve, second solenoid valve, condenser and fan are all Placed in the outdoor casing, the hot water tank is provided with a heat exchange coil, one end of the heat exchange coil is connected to the compressor through the first electromagnetic valve, and the other end is connected to the reversing four-way valve and the middle of the connection A second solenoid valve is bypassed, and the compressor is connected in series with the reversing four-way valve and the condenser, and then connected to the indoor unit through a pipeline. 3. The integrated heat pump air conditioner with heat recovery and refrigerator as claimed in claim 2, further comprising a liquid storage device, one end of the liquid storage device is connected to the condenser, and the other end is connected to the indoor unit through a pipe. 4. The heat recovery type heat pump air conditioner and refrigerator integrated unit according to claim 1 or 2, characterized in that: the indoor unit includes a first capillary, a second capillary, a third capillary, a third solenoid valve, a fourth Solenoid valve, fifth solenoid valve, sixth solenoid valve, one-way valve, pressure balance valve, air conditioner evaporator, refrigerator evaporator, fan for air supply and indoor casing; said first capillary, second capillary , the third capillary, the third solenoid valve, the fourth solenoid valve, the fifth solenoid valve, the sixth solenoid valve, the one-way valve, the pressure balance valve, the air conditioner evaporator, the refrigerator evaporator and the fan are all placed in the indoor casing. It includes two passages, one passage communicates with the outdoor pipeline, respectively connects the first capillary and the second capillary through the third solenoid valve, wherein the first capillary is connected in parallel with the check valve and then connected with the third capillary, the air conditioner evaporator, the pressure The balance valve and the fourth solenoid valve are connected in series and connected with the reversing four-way valve to form a passage; the second capillary is connected with the refrigerator evaporator and the fifth solenoid valve to form a passage with the reversing four-way valve; the other passage is connected to the outdoor pipeline Through the connection between the sixth solenoid valve and the evaporator of the refrigerator, a passage is formed.

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