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CN-224197556-U - Air conditioner and water heater combined system for vehicle

CN224197556UCN 224197556 UCN224197556 UCN 224197556UCN-224197556-U

Abstract

The utility model belongs to the technical field of motor caravan, and discloses a vehicle air conditioner and water heater combined system which comprises a refrigerant circulation loop, an antifreezing solution circulation loop and a water circulation loop. The refrigerant circulation loop comprises a compressor, a water-cooled condenser, an outdoor heat exchanger, an evaporator, a first expansion valve, a second expansion valve, a first stop valve and a second stop valve, and the flow direction of the refrigerant in the refrigerant circulation loop is changed by selectively opening and closing the first expansion valve, the second expansion valve, the first stop valve and the second stop valve so as to switch the working mode of the air conditioner and water heater combined system for the vehicle. The antifreeze circulation loop comprises a water-cooled condenser and a heat exchanger, and antifreeze flows through the water-cooled condenser and the heat exchanger in sequence. The water circulation loop comprises a cold water inlet, a heat exchanger and a hot water outlet, and water to be used flows through the cold water inlet, the heat exchanger and the hot water outlet in sequence. The air conditioner and water heater combined system for the vehicle is compact in structure, convenient to use and low in cost.

Inventors

  • YIN JINTAO
  • LIU JIE

Assignees

  • 星空梦屋(重庆)创新科技有限公司
  • 安徽征蓝科技有限公司

Dates

Publication Date
20260505
Application Date
20250625

Claims (10)

  1. 1. The utility model provides a vehicle air conditioner water heater combined system which characterized in that includes: A refrigerant circulation circuit including a compressor (1), a water-cooled condenser (2), an outdoor heat exchanger (3), an evaporator (4), a first expansion valve (5), a second expansion valve (6), a first shut-off valve (7) and a second shut-off valve (8), wherein the compressor (1), the water-cooled condenser (2), the first expansion valve (5), the outdoor heat exchanger (3), the second expansion valve (6) and the evaporator (4) are sequentially communicated, and the first expansion valve (5) is connected in parallel with the first shut-off valve (7), the connected evaporator (4) and second expansion valve (6) are connected in parallel with the second shut-off valve (8), and the flow direction of a refrigerant in the refrigerant circulation circuit is changed by selectively opening and closing the first expansion valve (5), the second expansion valve (6), the first shut-off valve (7) and the second shut-off valve (8), so as to switch the operation mode of the combined air conditioner system for a vehicle; An antifreeze circulation loop, which comprises a water-cooled condenser (2) and a heat exchanger (11), wherein antifreeze flows through the water-cooled condenser (2) and the heat exchanger (11) in sequence; The water circulation loop comprises a cold water inlet (16), a heat exchanger (11) and a hot water outlet (17), and water required to flow through the cold water inlet (16), the heat exchanger (11) and the hot water outlet (17) in sequence.
  2. 2. The air-conditioning and water-heater combined system for vehicles according to claim 1, wherein in the refrigerant circulation circuit, the first stop valve (7) and the second expansion valve (6) are opened, the second stop valve (8) and the first expansion valve (5) are closed, the refrigerant sequentially flows through the compressor (1), the water-cooled condenser (2), the first stop valve (7), the outdoor heat exchanger (3), the second expansion valve (6) and the evaporator (4) and returns to the compressor (1), and the antifreeze circulation circuit and the water circulation circuit are closed.
  3. 3. The air-conditioning water heater combined system for vehicles according to claim 1, wherein in the refrigerant circulation circuit, the first expansion valve (5) and the second shut-off valve (8) are opened, the first shut-off valve (7) and the second expansion valve (6) are closed, and the refrigerant flows through the compressor (1), the water-cooled condenser (2), the first expansion valve (5), the outdoor heat exchanger (3) and the second shut-off valve (8) in this order, and returns to the compressor (1); in the antifreeze circulation circuit, the antifreeze exchanges heat with the refrigerant in the water-cooled condenser (2); in the water circulation loop, the required water exchanges heat with the antifreeze in the heat exchanger (11).
  4. 4. The air-conditioning water heater combined system for vehicles according to claim 1, characterized in that in the refrigerant circulation circuit, the first shut-off valve (7) and the second expansion valve (6) are opened, the second shut-off valve (8) and the first expansion valve (5) are closed, and the refrigerant flows through the compressor (1), the water-cooled condenser (2), the first shut-off valve (7), the outdoor heat exchanger (3), the second expansion valve (6) and the evaporator (4) in this order, and returns to the compressor (1); in the antifreeze circulation circuit, the antifreeze exchanges heat with the refrigerant in the water-cooled condenser (2); in the water circulation loop, the required water exchanges heat with the antifreeze in the heat exchanger (11).
  5. 5. An air conditioning and water heater combined system for vehicles according to any one of claims 1-4, characterized in that the refrigerant circulation circuit further comprises a gas-liquid separator (9), the gas-liquid separator (9) being located at the refrigerant inlet of the compressor (1).
  6. 6. An air conditioning and water heater combination system for vehicles according to any one of claims 1-4, characterized in that the refrigerant circulation circuit further comprises a one-way valve (10), said one-way valve (10) being located at the refrigerant outlet of the evaporator (4).
  7. 7. The vehicular air-conditioning water heater combination according to any one of claims 1 to 4, characterized in that the antifreeze circulation circuit further comprises a fuel heater (14), the fuel heater (14) being located between the water-cooled condenser (2) and the heat exchanger (11).
  8. 8. The vehicle air conditioner water heater combination system according to any one of claims 1-4, wherein the water circulation circuit further comprises a gas heater (15), the gas heater (15) being connected in parallel with the heat exchanger (11).
  9. 9. The vehicular air-conditioning water heater combination according to any one of claims 1 to 4, characterized in that the antifreeze circulation circuit further comprises a first water pump (12), the first water pump (12) being located between the water-cooled condenser (2) and the heat exchanger (11).
  10. 10. The vehicle air conditioner water heater combination system according to any one of claims 1-4, wherein the water circulation circuit further comprises a second water pump (13), the second water pump (13) being located between the cold water inlet (16) and the heat exchanger (11).

Description

Air conditioner and water heater combined system for vehicle Technical Field The utility model relates to the technical field of motor caravan, in particular to an air conditioner and water heater combined system for a vehicle. Background The motor caravan is a mobile vehicle integrating living and traveling functions, generally needs to be equipped with living facilities such as an air conditioner and a water heater, and is suitable for long-distance traveling or camping. At present, an air conditioning system and a water heater in a motor caravan are arranged in a split mode, the air conditioning system adopts refrigerant for circulating refrigeration, and the water heater adopts fuel oil heat exchange type, fuel gas type, electric heating type, fuel oil electric heating type or fuel gas electric heating type. However, the fuel oil type water heater and the gas type water heater are required to carry fuel, the space of the motor caravan is compact, the carried liquid fuel or gas fuel is limited, the replenishment is difficult when camping in the open air, the electric heating type water heater also needs to use electricity because of refrigerating of an air conditioner, the whole electric consumption is relatively large and the cost is high, and the fuel oil type water heater and the gas type water heater are still unsatisfactory in terms of the requirement of only part of the fuel oil type water heater and the gas type water heater, and the other part of the electric energy is used, so that the cost is relatively high. Therefore, there is a need to provide a vehicle air conditioner and water heater combined system to solve the above problems. Disclosure of utility model The utility model aims to provide a vehicle air conditioner and water heater combined system which integrates air conditioner refrigeration and water heater, has a compact structure, can select different working modes according to requirements, is convenient to use, can heat water required by utilizing heat released by air conditioner refrigeration, has low energy consumption and low cost, can realize a hot water mode by utilizing an air conditioner principle, increases a heating source of the water required, and further improves the convenience of heating the water required. To achieve the purpose, the utility model adopts the following technical scheme: An air conditioning water heater combination system for a vehicle comprising: The refrigeration cycle loop comprises a compressor, a water-cooled condenser, an outdoor heat exchanger, an evaporator, a first expansion valve, a second expansion valve, a first stop valve and a second stop valve, wherein the compressor, the water-cooled condenser, the first expansion valve, the outdoor heat exchanger, the second expansion valve and the evaporator are sequentially communicated, the first expansion valve is connected with the first stop valve in parallel, the connected evaporator and second expansion valve are connected with the second stop valve in parallel, and the flow direction of the refrigeration in the refrigeration cycle loop is changed by selectively opening and closing the first expansion valve, the second expansion valve, the first stop valve and the second stop valve so as to switch the working mode of the air conditioner and water heater combined system for the vehicle; the anti-freezing liquid circulation loop comprises a water-cooled condenser and a heat exchanger, and the anti-freezing liquid sequentially flows through the water-cooled condenser and the heat exchanger; The water circulation loop comprises a cold water inlet, a heat exchanger and a hot water outlet, and water to be used flows through the cold water inlet, the heat exchanger and the hot water outlet in sequence. As an alternative technical scheme of the vehicle air conditioner water heater combined system, in the refrigerant circulation loop, the first stop valve and the second expansion valve are opened, the second stop valve and the first expansion valve are closed, the refrigerant sequentially flows through the compressor, the water-cooled condenser, the first stop valve, the outdoor heat exchanger, the second expansion valve and the evaporator to return to the compressor, and the antifreeze circulation loop and the water circulation loop are closed. As an alternative technical scheme of the air conditioner and water heater combined system for the vehicle, in the refrigerant circulation loop, the first expansion valve and the second stop valve are opened, the first stop valve and the second expansion valve are closed, and the refrigerant sequentially flows through the compressor, the water-cooled condenser, the first expansion valve, the outdoor heat exchanger and the second stop valve and returns to the compressor; In the antifreeze circulation loop, the antifreeze exchanges heat with the refrigerant in the water-cooled condenser; In the water circulation loop, the required water exchanges heat with the antif