CN-224215463-U - Air conditioner outdoor unit and air conditioning system

Abstract

The application discloses an air conditioner outdoor unit and an air conditioner system, wherein the air conditioner outdoor unit comprises an outdoor heat exchanger and a system pipeline connected with the outdoor heat exchanger, the outdoor heat exchanger comprises a first metal pipeline made of first metal, the system pipeline comprises a second metal pipeline made of second metal, the first metal pipeline comprises a heat exchange pipe, a first refrigerant inlet and outlet pipe section and a second refrigerant inlet and outlet pipe section, the first refrigerant inlet and outlet pipe section is connected with a first transition pipe section made of second metal, the first transition pipe section comprises a transverse pipe section connected with the first refrigerant inlet and outlet pipe section and a vertical pipe section bent upwards relative to the transverse pipe section, the second metal pipeline comprises a first connecting pipe section, one end of the first connecting pipe section is an inverted U-shaped pipe section, and the inverted U-shaped pipe section is arranged to be inserted into the upper end of the vertical pipe section and welded with the vertical pipe section. The scheme provided by the application can enable the outdoor heat exchanger to be more conveniently connected with a system pipeline, and can enable the space layout in the air conditioner outdoor unit to be more reasonable.

Inventors

• ZHONG GUOZHU
• MO YIYANG

Assignees

• 广东美的暖通设备有限公司
• 合肥美的暖通设备有限公司

Dates

Publication Date

20260508

Application Date

20250527

Claims (10)

1. 1. The outdoor unit of the air conditioner is characterized by comprising an outdoor heat exchanger and a system pipeline connected with the outdoor heat exchanger and used for transmitting a refrigerant, wherein the outdoor heat exchanger comprises a first metal pipeline made of a first metal, and the system pipeline comprises a second metal pipeline made of a second metal; The first metal pipeline comprises a heat exchange pipe, a first refrigerant inlet and outlet pipe section and a second refrigerant inlet and outlet pipe section, wherein the first refrigerant inlet and outlet pipe section and the second refrigerant inlet and outlet pipe section are connected with a first transition pipe section made of the second metal, and the first transition pipe section comprises a transverse pipe section connected with the first refrigerant inlet and outlet pipe section and a vertical pipe section bent upwards relative to the transverse pipe section; The second metal pipeline comprises a first connecting pipe section, the first connecting pipe section is an inverted U-shaped pipe section, and one end of the inverted U-shaped pipe section is inserted into the upper end of the vertical pipe section and welded with the vertical pipe section.
2. 2. The outdoor unit of claim 1, wherein the first metal is aluminum and the second metal is copper or stainless steel.
3. 3. The outdoor unit of claim 2, wherein the first transition pipe section is welded with the first refrigerant inlet/outlet pipe section inserted therein.
4. 4. The outdoor unit of claim 1, further comprising a high pressure valve assembly including a first tee, a second tee, a third connection pipe, a fourth connection pipe, a shut-off valve, a check valve, a filter, and an expansion valve; The first three-way pipe is provided with a first port, a second port and a third port, the second three-way pipe is provided with a fourth port, a fifth port and a sixth port, the first port is connected with the first connecting pipe section, a third connecting pipe section is connected between the second port and the fifth port, a fourth connecting pipe section is connected between the third port and the sixth port, and the fourth port is connected with the stop valve; the third connecting pipe section is provided with the one-way valve, the one-way valve is arranged so that refrigerant flows only towards the direction of the stop valve, and the fourth connecting pipe section is provided with the filter and the expansion valve.
5. 5. The outdoor unit of claim 4, wherein the first port is disposed upward, and an end of the first connecting pipe section remote from the first transition pipe section is inserted downward into the first port and welded.
6. 6. The outdoor unit of claim 1, wherein the second refrigerant inlet/outlet pipe section is connected to a second transition pipe section made of the second metal; The second metal pipeline further comprises a second connecting pipe section, and the second connecting pipe section is connected with one end, far away from the second refrigerant inlet and outlet pipe section, of the second transition pipe section.
7. 7. The outdoor unit of claim 6, wherein the second refrigerant inlet/outlet pipe section is configured to extend from top to bottom, the second transition pipe section is a U-shaped pipe section with an upward opening, and one end of the second transition pipe section is connected to one end of the second refrigerant inlet/outlet pipe section that faces downward.
8. 8. The outdoor unit of claim 7, wherein one end of the second connection pipe is downwardly inserted into the second transition pipe and welded, and the other end is upwardly connected to one downwardly facing port of the four-way valve.
9. 9. The outdoor unit of any one of claims 1-8, wherein the heat exchange tubes are provided in plurality, the outdoor heat exchanger is further provided with a plurality of first and second split tube sections, one of the first and second split tube sections is configured to provide refrigerant to at least a portion of the heat exchange tubes, and the other is configured to receive refrigerant flowing out of at least a portion of the heat exchange tubes; The first split pipe sections are connected to the converging pipe section, the converging pipe section is connected with one end of a heat exchange pipe positioned at the bottom, the first refrigerant inlet and outlet pipe section is connected with the other end of the heat exchange pipe positioned at the bottom, and the second split pipe sections are connected to the second refrigerant inlet and outlet pipe section.
10. 10. An air conditioning system comprising an air conditioning indoor unit and an air conditioning outdoor unit according to any one of claims 1 to 9.

Description

Air conditioner outdoor unit and air conditioning system Technical Field The utility model relates to the technical field of air conditioners, in particular to an air conditioner outdoor unit and an air conditioning system. Background With the development of air conditioning technology and the resource comparison of metal raw materials, aluminum tube type heat exchangers are rapidly developed to gradually replace copper tube type heat exchangers. However, in an air conditioning system, an aluminum pipe of an aluminum pipe heat exchanger still needs to be connected to another metal pipe (for example, a copper pipe) in the air conditioning system, and it is difficult to weld the copper pipe and the aluminum pipe, as compared with welding two pipes of the same material, because the copper pipe and the aluminum pipe have different melting points. How to efficiently weld the aluminum pipeline of the heat exchanger with the copper pipeline in the air conditioning system is a technical problem to be solved. Disclosure of utility model The embodiment of the utility model provides an air conditioner outdoor unit and an air conditioner system, which are used for solving the problem that a pipeline of a heat exchanger and other metal pipelines in the air conditioner system are difficult to weld. The embodiment of the application provides an air conditioner outdoor unit, which comprises an outdoor heat exchanger and a system pipeline connected with the outdoor heat exchanger and used for transmitting a refrigerant, wherein the outdoor heat exchanger comprises a first metal pipeline made of a first metal, and the system pipeline comprises a second metal pipeline made of a second metal; The first metal pipeline comprises a heat exchange pipe, a first refrigerant inlet and outlet pipe section and a second refrigerant inlet and outlet pipe section, wherein the first refrigerant inlet and outlet pipe section and the second refrigerant inlet and outlet pipe section are connected with a first transition pipe section made of the second metal, and the first transition pipe section comprises a transverse pipe section connected with the first refrigerant inlet and outlet pipe section and a vertical pipe section bent upwards relative to the transverse pipe section; The second metal pipeline comprises a first connecting pipe section, the first connecting pipe section is an inverted U-shaped pipe section, and one end of the inverted U-shaped pipe section is inserted into the upper end of the vertical pipe section and welded with the vertical pipe section. In one embodiment, the first metal is an aluminum material and the second metal is a copper material or a stainless steel material. In one embodiment, the first transition pipe section is configured to be welded with the first refrigerant inlet and outlet pipe section inserted. In one embodiment, the outdoor unit of the air conditioner further comprises a high-pressure valve assembly, wherein the high-pressure valve assembly comprises a first tee pipe, a second tee pipe, a third connecting pipe, a fourth connecting pipe, a stop valve, a one-way valve, a filter and an expansion valve; The first three-way pipe is provided with a first port, a second port and a third port, the second three-way pipe is provided with a fourth port, a fifth port and a sixth port, the first port is connected with the first connecting pipe section, a third connecting pipe section is connected between the second port and the fifth port, a fourth connecting pipe section is connected between the third port and the sixth port, and the fourth port is connected with the stop valve; the third connecting pipe section is provided with the one-way valve, the one-way valve is arranged so that refrigerant flows only towards the direction of the stop valve, and the fourth connecting pipe section is provided with the filter and the expansion valve. In one embodiment, the first port is disposed upward, and an end of the first connecting pipe section far away from the first transition pipe section is inserted downward into the first port and welded and fixed. In one embodiment, the second refrigerant inlet and outlet pipe section is connected with a second transition pipe section made of the second metal; The second metal pipeline further comprises a second connecting pipe section, and the second connecting pipe section is connected with one end, far away from the second refrigerant inlet and outlet pipe section, of the second transition pipe section. In one embodiment, the second refrigerant inlet and outlet pipe section is arranged to extend from top to bottom, the second transition pipe section is a U-shaped pipe section with an upward opening, and one end of the second transition pipe section is connected with one end of the second refrigerant inlet and outlet pipe section facing downward. In one embodiment, one end of the second connecting pipe section is inserted downward into the second transition pipe section and