Outdoor unit and heating and ventilation apparatus

Abstract

Provided are an outdoor unit and a heating and ventilation apparatus. The an outdoor unit includes an outdoor unit housing, an outdoor heat exchanger, an outdoor fan, a compressor assembly, a water circuit heat exchange assembly, a first electrical control box part, and a second electrical control box part. The outdoor unit housing has a fan chamber, a compressor chamber, and a water circuit chamber. The outdoor heat exchanger and the outdoor fan are disposed in the fan chamber. The compressor assembly is disposed in the compressor chamber. At least a water circuit heat exchanger and a water pump of the water circuit heat exchange assembly are disposed in the water circuit chamber. The first electrical control box part is disposed between the fan chamber and the compressor chamber. The second electrical control box part is disposed in the water circuit chamber.

What is claimed is: 
     
         1 . An outdoor unit, comprising:
 an outdoor unit housing having a fan chamber, a compressor chamber, and a water circuit chamber that are arranged sequentially in a left-right direction;   an outdoor heat exchanger and an outdoor fan that are disposed in the fan chamber;   a compressor assembly disposed in the compressor chamber and comprising a compressor;   a water circuit heat exchange assembly comprising a water circuit heat exchanger and a water pump, wherein the water circuit heat exchanger has a water flow path and a refrigerant flow path that are capable of exchanging heat with each other, wherein at least the water circuit heat exchanger and the water pump of the water circuit heat exchange assembly are disposed in the water circuit chamber, and wherein the water pump is configured to drive water in the water flow path to flow;   a first electrical control box part disposed between the fan chamber and the compressor chamber; and   a second electrical control box part disposed in the water circuit chamber.   
     
     
         2 . The outdoor unit according to  claim 1 , wherein:
 at least one or more components in the first electrical control box part have a greater power than a component in the second electrical control box part; and/or   the first electrical control box part is at least configured to control the outdoor fan and the compressor, and the second electrical control box part is configured to control the water circuit heat exchange assembly or to control the water circuit heat exchange assembly and the refrigerant flow path.   
     
     
         3 . The outdoor unit according to  claim 1 , wherein the first electrical control box part is electrically connected to the second electrical control box part, the second electrical control box part comprises a terminal block electrically connected to an external power source, and
 a part of a wiring harness electrically connecting the first electrical control box part to the second electrical control box part is adapted to extend above the compressor assembly.   
     
     
         4 . The outdoor unit according to  claim 3 , wherein:
 a second partition plate is disposed between the compressor chamber and the water circuit chamber, the second partition plate having a wiring structure formed at an upper part of the second partition plate; and   the part of the wiring harness electrically connecting the first electrical control box part to the second electrical control box part is adapted to extend above the compressor assembly and extend to the water circuit chamber via the wiring structure.   
     
     
         5 . The outdoor unit according to  claim 3 , wherein a wiring harness connected to an electrical control assembly of the first electrical control box part comprises a first electrical control wiring harness and a second electrical control wiring harness that are separately disposed, wherein:
 the first electrical control wiring harness comprises a first electrical control wiring sub-harness electrically connected to the terminal block, a second electrical control wiring sub-harness electrically connected to the compressor, and a third electrical control wiring sub-harness electrically connected to the outdoor fan; and   the second electrical control wiring harness is electrically connected to a main control board of the second electrical control box part.   
     
     
         6 . The outdoor unit according to  claim 5 , wherein a second partition plate is disposed between the compressor chamber and the water circuit chamber, the second partition plate having a wiring structure formed at an upper part of the second partition plate, wherein:
 the wiring structure has a first wiring hole and a second wiring hole that are spaced apart from each other in a front-rear direction;   the first electrical control wiring sub-harness is adapted to extend above the compressor assembly and extend to the water circuit chamber via the first wiring hole; and   the second electrical control wiring harness is adapted to extend above the compressor assembly and extend to the water circuit chamber via the second wiring hole.   
     
     
         7 . The outdoor unit according to  claim 6 , wherein a sound insulation hood is provided inside the compressor chamber and disposed to cover the compressor assembly at an outer side of the compressor assembly, wherein:
 the first electrical control wiring sub-harness is adapted to extend to the second partition plate along an outer surface of the sound insulation hood, extend upwards to the first wiring hole along the second partition plate and extend to the water circuit chamber via the first wiring hole; and   the second electrical control wiring harness is adapted to extend to the second partition plate along the outer surface of the sound insulation hood, extend upwards to the second wiring hole along the second partition plate, and extend to the water circuit chamber via the second wiring hole.   
     
     
         8 . The outdoor unit according to  claim 7 , wherein a part of the first electrical control wiring sub-harness extending along the outer surface of the sound insulation hood and a part of the second electrical control wiring harness extending along the outer surface of the sound insulation hood are spaced apart in the front-rear direction. 
     
     
         9 . The outdoor unit according to  claim 5 , wherein a sound insulation hood is provided inside the compressor chamber and disposed to cover the compressor assembly at an outer side of the compressor assembly, wherein:
 the second electrical control wiring sub-harness is adapted to extend to a top of the sound insulation hood along an outer surface of the sound insulation hood and extend downwards through a pipeline outlet located at the top of the sound insulation hood, to electrically connect the second electrical control wiring sub-harness to the compressor.   
     
     
         10 . The outdoor unit according to  claim 5 , wherein a sound insulation hood is provided inside the compressor chamber and disposed to cover the compressor assembly at an outer side of the compressor assembly, wherein:
 a first partition plate is disposed between the fan chamber and the compressor chamber; and   the third electrical control wiring sub-harness is adapted to extend to the first partition plate along an outer surface of the sound insulation hood, and extend to the fan chamber by passing through the first partition plate, to electrically connect the third electrical control wiring sub-harness to the outdoor fan.   
     
     
         11 . The outdoor unit according to  claim 1 , wherein:
 a first partition plate is disposed between the fan chamber and the compressor chamber, the first electrical control box part being withdrawably disposed at the first partition plate; and/or   a second partition plate is disposed between the compressor chamber and the water circuit chamber, the second electrical control box part being withdrawably disposed at the second partition plate.   
     
     
         12 . The outdoor unit according to  claim 1 , wherein:
 a first partition plate is disposed between the fan chamber and the compressor chamber;   the first electrical control box part is disposed at the first partition plate and comprises a first electrical control box; and   the first electrical control box comprises a first electrical control box body and a first electrical control assembly disposed in the first electrical control box body, the first electrical control assembly comprising an electrical control board and a plurality of components disposed at the electrical control board, wherein the electrical control board has a first side and a second side that are opposite to each other in a thickness direction of the electrical control board, at least one or more of the plurality of components being disposed on the first side of the electrical control board, and the first side of the electrical control board facing the fan chamber.   
     
     
         13 . The outdoor unit according to  claim 12 , wherein the first electrical control box part comprises a first heat dissipation member, wherein the first heat dissipation member is disposed on a side of the first electrical control box close to the fan chamber, the first heat dissipation member being at least partially located in the fan chamber. 
     
     
         14 . The outdoor unit according to  claim 13 , comprising at least one of:
 a first air guide cover located at a top of the first heat dissipation member; and   a second air guide cover located at a bottom of the first heat dissipation member,   wherein the first air guide cover and the second air guide cover are each configured to guide an airflow in the compressor chamber to the first heat dissipation member.   
     
     
         15 . The outdoor unit according to  claim 13 , wherein the first electrical control box part further comprises a second heat dissipation member disposed on a side of the first electrical control box close to the compressor chamber, the second heat dissipation member being at least partially located in the compressor chamber. 
     
     
         16 . The outdoor unit according to  claim 1 , wherein:
 a first partition plate is disposed between the fan chamber and the compressor chamber and has a mounting opening at a lower part of the first partition plate;   the water circuit heat exchange assembly further comprises an expansion tank mounted at the mounting opening and supported on a base of the outdoor unit housing, the expansion tank being partially located in the fan chamber, and the expansion tank being partially located in the compressor chamber.   
     
     
         17 . The outdoor unit according to  claim 1 , wherein:
 a sound insulation hood is configured to cover the compressor assembly at an outside of the compressor assembly;   a first partition plate is disposed between the fan chamber and the compressor chamber; and   a second partition plate is disposed between the water circuit chamber and the compressor chamber, the first partition plate being at least partially formed as a part of the sound insulation hood and/or the second partition plate being at least partially formed as a part of the sound insulation hood.   
     
     
         18 . The outdoor unit according to  claim 1 , wherein:
 a return gas pipe connected to the compressor assembly has a plurality of U-shaped segments that are sequentially connected;   the compressor assembly further comprises a liquid accumulator connected to the compressor;   a third reference circle is a circle taking a center of an exhaust port of the compressor as a circle center and R 1  as a radius, where R 1  is greater than a radius of the compressor by a difference ranging from 5 mm to 225 mm;   a fourth reference circle is a circle taking a center of a return gas port of the liquid accumulator as a circle center and R 2  as a radius, where R 2  is greater than a radius of the liquid accumulator by a difference ranging from 5 mm to 200 mm; and   at least part of projections of the plurality of U-shaped segments of the return gas pipe in a horizontal plane is located in an intersection region between the third reference circle and the fourth reference circle.   
     
     
         19 . The outdoor unit according to  claim 1 , wherein a return gas pipe connected to the compressor assembly has a plurality of U-shaped segments that are sequentially connected and a vertical segment connected between every two adjacent U-shaped segments of the plurality of U-shaped segments, at least part of the vertical segment being a corrugated pipe or a rubber hose. 
     
     
         20 . A heating and ventilation apparatus, comprising the outdoor unit according to  claim 1 .