Outdoor unit and heating and ventilation apparatus

Abstract

An outdoor unit and a heating and ventilation apparatus are provided. The outdoor unit includes: an outdoor unit casing, an outdoor heat exchanger, an outdoor fan, and a compressor assembly. The outdoor unit casing has a fan chamber and a compressor chamber. A first partition plate is disposed between the fan chamber and the compressor chamber. The compressor assembly is externally covered by a soundproof hood. At least part of the first partition plate forms part of the soundproof hood. The soundproof hood includes a first hood plate and a second hood plate that are arranged in a front-rear direction. At least one of the first hood plate and the second hood plate is independent of the outdoor unit casing.

What is claimed is: 
     
         1 . An outdoor unit, comprising:
 an outdoor unit casing having a fan chamber and a compressor chamber arranged in a left-right direction, wherein a first partition plate is disposed between the fan chamber and the compressor chamber;   an outdoor heat exchanger and an outdoor fan that are disposed in the fan chamber; and   a compressor assembly disposed in the compressor chamber and comprising a compressor, wherein the compressor assembly is externally covered by a soundproof hood, at least part of the first partition plate forming a part of the soundproof hood, and wherein the soundproof hood comprises a first hood plate and a second hood plate that are opposite to and spaced apart from each other in a front-rear direction, both the first hood plate and the second hood plate being connected to the first partition plate, and at least one of the first hood plate and the second hood plate being independent of the outdoor unit casing.   
     
     
         2 . The outdoor unit according to  claim 1 , further comprising:
 a water-circuit heat-exchange assembly comprising a water-circuit heat exchanger, the water-circuit heat exchanger having a water flow passage and a refrigerant flow passage that exchange heat with each other,   wherein the outdoor unit casing has internally a water-circuit chamber, the water-circuit heat-exchange assembly being disposed in the water-circuit chamber; and   wherein a second partition plate is disposed between the water-circuit chamber and the compressor assembly, at least part of the second partition plate forming a part of the soundproof hood.   
     
     
         3 . The outdoor unit according to  claim 2 , wherein:
 the first partition plate is opposite to and spaced apart from the second partition plate in the left-right direction;   the soundproof hood comprises a top cover;   the first hood plate is opposite to and spaced apart from the second hood plate in the front-rear direction;   left and right ends of the first hood plate are connected to the first partition plate and the second partition plate, respectively;   left and right ends of the second hood plate are connected to the first partition plate and the second partition plate, respectively; and   the top cover covers a top of the first hood plate and a top of the second hood plate.   
     
     
         4 . The outdoor unit according to  claim 1 , comprising:
 a first electrical control box component configured to at least control the outdoor fan and the compressor, wherein the first electrical control box component is disposed at an upper part of the first partition plate, and wherein the part of the first partition plate forming the soundproof hood is a soundproof portion;   wherein the soundproof hood includes a third hood plate and a top cover, wherein the third hood plate has a lower end connected to an upper end of the soundproof portion and an upper end connected to the top cover, and wherein an avoidance space for avoiding the first electrical control box component is defined between the third hood plate and the first partition plate.   
     
     
         5 . The outdoor unit according to  claim 4 , wherein the third hood plate comprises an avoidance portion and an extension portion arranged at an angle, wherein:
 the avoidance portion has an end connected to the upper end of the soundproof portion and the other end extending towards the compressor chamber; and   the extension portion has a lower end connected to the other end of the avoidance portion and an upper end extending upwards and connected to the top cover.   
     
     
         6 . The outdoor unit according to  claim 4 , wherein:
 the first electrical control box component is provided with a radiator at an end of the first electrical control box component facing towards the fan chamber;   the outdoor unit comprises a second air guide hood located at a bottom of the radiator;   the first partition plate comprises a first sub-partition plate and a second sub-partition plate arranged in the left-right direction, wherein the second sub-partition plate is located at a side of the first sub-partition plate adjacent to the compressor chamber and comprises a partition plate body forming the soundproof portion;   a second air guide chamber is defined by the second sub-partition plate, the first sub-partition plate, the second air guide hood, and the radiator;   the second sub-partition plate has a second air guide opening in communication with the second air guide chamber; and   an airflow in the compressor chamber is adapted to flow into the second air guide chamber through the second air guide opening and flow upward through the radiator.   
     
     
         7 . The outdoor unit according to  claim 1 , wherein a bottom of the soundproof hood is connected to a base of the outdoor unit, a vibration-damping pad being disposed between the bottom of the soundproof hood and the base. 
     
     
         8 . The outdoor unit according to  claim 1 , wherein the soundproof hood comprises a top cover having a pipeline outlet, a pipeline of the compressor assembly being adapted to be led out from the pipeline outlet, wherein:
 the top cover comprises a first cover body and a second cover body that are detachably connected in a horizontal direction, the pipeline outlet being defined between the first cover body and the second cover body; or   the top cover is formed from one single piece.   
     
     
         9 . The outdoor unit according to  claim 1 , wherein:
 the soundproof hood is at least partially made of a composite panel; and/or   the outdoor unit casing is at least partially made of a composite panel,   wherein the composite plate comprises metal layers and a first damping layer stacked together, the first damping layer being located between two adjacent metal layers.   
     
     
         10 . The outdoor unit according to  claim 1 , wherein:
 at least one of an inner wall of the soundproof hood and an outer circumferential wall of the compressor is provided with a soundproof cotton layer; and/or   at least part of an inner wall of the outdoor unit casing is provided with a soundproof cotton layer.   
     
     
         11 . The outdoor unit according to  claim 10 , wherein the soundproof cotton layer comprises a sound absorption layer, a second damping layer, and a soundproof layer that are stacked in sequence, the sound absorption layer being a porous material layer, the second damping layer being a rubber layer, and the soundproof layer being a plastic layer or a rubber layer. 
     
     
         12 . The outdoor unit according to  claim 1 , wherein an outer circumferential wall of the compressor is covered with a soundproof cotton layer, wherein a support structure is disposed between the soundproof cotton layer and the outer circumferential wall of the compressor to define an air layer between the soundproof cotton layer and the outer circumferential wall of the compressor, and wherein the support structure is an elastic support structure. 
     
     
         13 . The outdoor unit according to  claim 1 , wherein damping particles are filled between the soundproof hood and the compressor assembly, an equivalent diameter of each of the damping particles being smaller than 3 mm. 
     
     
         14 . The outdoor unit according to  claim 1 , wherein a vibration damping structure is disposed between the compressor and a base of the outdoor unit casing, the vibration damping structure comprising:
 a floating plate located above the base; and   a vibration damping assembly comprising at least one of a first vibration damping member and a second vibration damping member, the first vibration damping member being disposed between the compressor and the floating plate, and the second vibration damping member being disposed between the floating plate and the base.   
     
     
         15 . The outdoor unit according to  claim 14 , wherein the compressor assembly further comprises a liquid reservoir connected to the compressor, wherein:
 a projection of the compressor in a horizontal plane is a first projection;   a projection of the floating plate in the horizontal plane is a second projection; and   a projection of the liquid reservoir in the horizontal plane is a third projection,   wherein the first projection is located within the second projection, and the third projection is at least partially located within the second projection.   
     
     
         16 . The outdoor unit according to  claim 14 , wherein:
 the compressor assembly further includes a liquid reservoir connected to the compressor; and   the floating plate has a plurality of first mounting holes for mounting of the compressor and a plurality of second mounting holes for mounting of the floating plate, centers of the plurality of first mounting holes being located at a first reference circle, and centers of the plurality of second mounting holes being located at a second reference circle.   
     
     
         17 . The outdoor unit according to  claim 16 , wherein:
 a projection of a center of the second reference circle in a reference plane is spaced apart from a projection of a center of the first reference circle in the reference plane, the reference plane being parallel to a plane where an outer peripheral contour line of the base is located; and   the center of the second reference circle is located at a side of the center of the first reference circle adjacent to the liquid reservoir.   
     
     
         18 . The outdoor unit according to  claim 14 , wherein the floating plate has a plurality of second mounting holes for mounting of the floating plate, centers of the plurality of second mounting holes being located at a second reference circle, wherein:
 projections of a center of mass of the compressor assembly and a center of the second reference circle in a reference plane are a first projection point and a second projection point, respectively, a spacing between the first projection point and the second projection point ranging from 0 mm to 5 mm; and/or   projections of a center of mass of the floating plate and a center of the second reference circle in a reference plane are a third projection point and a second projection point, respectively, a spacing between the third projection point and the second projection point ranging from 0 mm to 5 mm,   wherein the reference plane is parallel to a plane where an outer peripheral contour line of the base is located.   
     
     
         19 . The outdoor unit according to  claim 14 , wherein projections of a center of mass of the compressor assembly and a center of mass of the floating plate in a reference plane are a first projection point and a third projection point, respectively, a spacing between the first projection point and the third projection point ranging from 0 mm to 5 mm, and the reference plane being parallel to a plane where an outer peripheral contour line of the base is located. 
     
     
         20 . The outdoor unit according to  claim 14 , wherein:
 a mass ratio of the floating plate to the compressor ranges from 0.1 to 0.6; or   a ratio of static stiffness of the first vibration damping member to static stiffness of the second vibration damping member ranges from 0.6 to 1.5; or   a damping ratio of each of the first vibration damping member and the second vibration damping member ranges from 0.01 to 0.7.   
     
     
         21 . The outdoor unit according to  claim 1 , wherein:
 an air return pipe connected to the compressor assembly comprises a plurality of U-shaped segments connected sequentially; and   the compressor assembly comprises the compressor and a liquid reservoir, wherein:   a third reference circle is defined with a center at an air discharge port of the compressor and a radius of R1, R1 being greater than a radius of the compressor with a difference ranging from 20 mm to 225 mm;   a fourth reference circle is defined with a center at an air return port of the liquid reservoir and a radius of R2, R2 being greater than a radius of the liquid reservoir with a difference ranging from 20 mm to 200 mm; and   projections of the plurality of U-shaped segments of the air return pipe in a horizontal plane are at least partially located in a region where the third reference circle overlaps the fourth reference circle.   
     
     
         22 . A heating and ventilation apparatus, comprising the outdoor unit according to  claim 1 .