CN-224224861-U - Semi-overhead air conditioner

Abstract

The utility model discloses a semi-overhead air conditioner which comprises a bottom plate, an outdoor heat dissipation assembly, a main pipeline and a cooling assembly, wherein the bottom plate is arranged at the top of a vehicle and is provided with a compressor and a heat exchanger, the outdoor heat dissipation assembly is used for dissipating heat and comprises an outdoor heat exchanger and a heat dissipation fan, the main pipeline is internally provided with a refrigerant, and the cooling assembly is used for refrigerating and heating a battery box. The utility model has the advantages of realizing the heat management of the interior of the vehicle cabin and the battery box, having small occupied space and high integration level, realizing the full functionalization of the system for the heat management of the semi-overhead air conditioner cabin and the heat management of the battery, and meeting the heat management requirement of the whole vehicle.

Inventors

• DING WENBIAO
• WU HAIMEI
• LI QIUYANG

Assignees

• 苏州新同创汽车空调有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (10)

1. 1. A semi-overhead air conditioner, comprising: A bottom plate (1) mounted on the top of the vehicle, on which a compressor (2) and a heat exchanger (9) are mounted; The outdoor heat dissipation assembly is used for dissipating heat and comprises an outdoor heat exchanger (3) and a heat dissipation fan (4); A main pipe (5) with a refrigerant inside; and the cooling assembly is used for refrigerating and heating the battery box (6).
2. 2. The semi-overhead air conditioner of claim 1, wherein the cooling assembly comprises a water pump (7), an expansion tank (71) and a liquid pipeline (72), the water pump (7) and the expansion tank (71) are connected with the liquid pipeline (72), and the liquid pipeline (72) is connected with the battery box (6).
3. 3. A semi-overhead air conditioner according to claim 2, wherein the liquid pipeline (72) is connected with the heat exchanger (3) for heat exchange, and a PTC liquid heater (73) is further arranged on the liquid pipeline (72).
4. 4. A semi-overhead air conditioner according to claim 1, wherein the main duct (5) is further provided with a drying reservoir (51), an evaporator (52), an electronic expansion valve (53), a gas-liquid separator (54) and a pressure release valve (55).
5. 5. A semi-overhead air conditioner according to claim 1, wherein the heat exchanger (9) is a plate heat exchanger, which is connected to the main duct (5) by a branch duct.
6. 6. A semi-overhead air conditioner according to claim 3, wherein a valve core (74) and a water outlet temperature sensor (75) are arranged on the liquid pipeline (72), and the valve core (74) is positioned on two sides of the outdoor heat exchanger (3).
7. 7. Semi-overhead air conditioner according to claim 4, characterized in that the main pipe (5) is provided with a high-pressure outlet pipe (56) and a low-pressure return pipe (57), the high-pressure outlet pipe (56) and the low-pressure return pipe (57) being connected with an evaporator (52), the evaporator (52) being installed in a vehicle.
8. 8. The semi-overhead air conditioner according to claim 1, wherein the main pipe (5) is provided with a low pressure sensor (58), a high pressure sensor (59) and a return air temperature sensor (591).
9. 9. A semi-overhead air conditioner according to claim 4, characterized in that the base plate (1) is provided with a mounting chamber (8), an ATS radiator is provided in the mounting chamber (8), and the cooling fan (4) is mounted on top of the chamber.
10. 10. Semi-overhead air conditioner according to claim 1, characterized in that the base plate (1) is provided with a backing plate (11), the upper side of the backing plate (11) is provided with a symmetrical supporting plate (12), an elastic cushion block (13) is arranged between the supporting plate (12) and the backing plate (11), and the supporting plate (12) is fixed with the compressor (2).

Description

Semi-overhead air conditioner Technical Field The utility model relates to the technical field of vehicle air conditioners, in particular to a semi-overhead air conditioner. Background At present, the traditional overhead air conditioner occupies roof space and affects the center of the whole vehicle, and the bottom air conditioner is limited by refrigeration efficiency. The semi-overhead air conditioner is favored by a bus type because of small volume, heat dissipation in a roof space, reduction of the length of an air duct and high refrigeration efficiency compared with a bottom air conditioner. The existing semi-overhead air conditioner occupies a larger space, and has no battery for refrigerating and heating. There is a need for a semi-overhead air conditioner with a high degree of integration. Disclosure of utility model In order to solve the technical problems, the utility model provides the semi-overhead air conditioner which is high in integration degree and good in effect, and can realize the cooling and heating of the inside of the vehicle and the cooling and heating of the battery box. Specifically, the utility model discloses a semi-overhead air conditioner, which comprises: A bottom plate installed at the top of the vehicle, on which a compressor and a heat exchanger are installed; the outdoor heat dissipation assembly is used for dissipating heat and comprises an outdoor heat exchanger and a heat dissipation fan; A main pipe with refrigerant inside; And the cooling assembly is used for refrigerating and heating the battery box. The technical scheme has the advantages of realizing the heat management of the interior of the vehicle cabin and the battery box, being small in occupied space and high in integration level, realizing the full functionalization of the system for the heat management of the semi-overhead air conditioner cabin and the heat management of the battery, and meeting the heat management requirement of the whole vehicle. Further, the cooling assembly comprises a water pump, an expansion water tank and a liquid pipeline, wherein the water pump is connected with the expansion water tank and the liquid pipeline, and the liquid pipeline is connected with the battery box. The technical scheme has the advantages that the refrigeration and heating of the battery box are realized by arranging the water pump and the liquid pipeline, the heat management of the battery box is combined with the air conditioner in the passenger cabin, and the space occupation is reduced. Further, the liquid pipeline is connected with the heat exchanger for heat exchange, and a PTC liquid heater is further arranged on the liquid pipeline. The technical scheme has the advantages that the liquid pipeline exchanges heat with the heat exchanger to realize the refrigerating or heating function, meanwhile, the PTC liquid heater is arranged to play a role in rapid heating, and rapid heating in cold weather is realized. Further, a drying liquid reservoir, an evaporator, an electronic expansion valve and a gas-liquid separator are further arranged on the main pipeline. The technical scheme has the advantages that the evaporator is arranged indoors to play roles in refrigerating and heating, the drying liquid storage device plays a role in drying the refrigerant, ice blockage of a pipeline is prevented, the expansion valve plays a role in throttling and reducing pressure, and the pressure relief valve has a function of monitoring pressure. Further, the heat exchanger is a plate heat exchanger, and is connected with the main pipeline through a branch pipeline. The plate heat exchanger has the advantages of high heat transfer coefficient, compact structure and space saving. Further, a valve core and a water outlet temperature sensor are arranged on the liquid pipeline, and the valve core is positioned at two sides of the outdoor heat exchanger. The technical scheme has the advantages that the valve core plays a role in preventing backflow, and meanwhile, the water outlet temperature sensor is arranged and used for sensing the temperature in the cooling pipeline after heat exchange, so that temperature monitoring is realized. Further, the main pipeline is provided with a high-pressure liquid outlet pipe and a low-pressure air return pipe, the high-pressure liquid outlet pipe is connected with the low-pressure air return pipe and an evaporator, and the evaporator is installed in a vehicle. The technical scheme has the advantages that the high-pressure liquid flowing out of the high-pressure liquid outlet pipe enters the evaporator to be evaporated, indoor heat is taken away, and air return is carried out in the low-pressure air return pipe after the evaporation, so that the refrigeration in the passenger cabin is realized. Further, a low-pressure sensor, a high-pressure sensor and an air return temperature sensor are arranged on the main pipeline. The technical scheme has the advantages that the low-pressure sensor and the