Electric controller based on thermally superconductive heat dissipating plate and air conditioner outdoor unit

Abstract

An electric controller based on a thermally superconducting heat dissipation plate (2) comprises an electric controller body (1) and the thermally superconducting heat dissipation plate (2); the electric controller body (1) comprises a PCB circuit board (11) and an electronic component (12); the electronic component (12) comprises a high-heat-output power device (121) and a low-heat-output electronic component (122), the high-heat-output power device (121) is located on a first surface of the PCB circuit board (11) and the low-heat-output electronic component (122) is located on a second surface of the PCB circuit board (11); and the thermally superconducting heat dissipation plate (2) is attached to the surface of the high-heat-output power device (121). Also disclosed is an air conditioner outdoor unit using the electric controller.

1 . An electric controller based on a thermally superconducting heat dissipation plate, comprising: an electric controller body and a thermally superconducting heat dissipation plate, wherein
 the electric controller body comprises a PCB circuit board and an electronic component; the PCB circuit board comprises a first surface and a second surface opposite to the first surface; the electronic component comprises a high-heat-output power device and a low-heat-output electronic component, the high-heat-output power device is located on the first surface of the PCB circuit board, and the low-heat-output electronic component is located on the second surface of the PCB circuit board; and   the thermally superconducting heat dissipation plate is attached to the surface of the high-heat-output power device; thermally superconducting pipelines of a particular shape are formed in the thermally superconducting heat dissipation plate, the thermally superconducting pipelines are closed pipelines, and heat transfer medium is filled in the thermally superconducting pipelines.   
     
     
         2 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 1 , wherein the thermally superconducting heat dissipation plate is a bent sheet. 
     
     
         3 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 2 , wherein the thermally superconducting heat dissipation plate comprises a vertical part, a horizontal part, and an arc part, wherein the vertical part is attached to the surface of the high-heat-output power device and parallel to the surface of the PCB circuit board, the horizontal part is located above the vertical part and perpendicular to the surface of the PCB circuit board, and the arc part connects the vertical part and the horizontal part; the vertical part extends upward from the high-heat-output power device, and the horizontal part is located above the high-heat-output power device, and extends towards a direction away from the high-heat-output power device. 
     
     
         4 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 1 , wherein the thermally superconducting heat dissipation plate is parallel to the surface of the PCB circuit board. 
     
     
         5 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 4 , wherein the thermally superconducting heat dissipation plate extends from the vicinity of the high-heat-output power device towards a direction away from the high-heat-output power device. 
     
     
         6 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 5 , wherein cooling fins are disposed on the thermally superconducting heat dissipation plate, and the cooling fins are perpendicular or oblique to the surface of the thermally superconducting heat dissipation plate. 
     
     
         7 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 5 , wherein a cooling fin device is disposed on the thermally superconducting heat dissipation plate, the cooling fin device comprises a substrate and cooling fins, the substrate is attached to the surface of the thermally superconducting heat dissipation plate, and the cooling fins are fastened on the substrate and are perpendicular or oblique to the surface of the thermally superconducting heat dissipation plate. 
     
     
         8 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 1 , wherein the thermally superconducting heat dissipation plate is a composite plate, and the thermally superconducting pipelines are formed through a blow process. 
     
     
         9 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 8 , wherein the thermally superconducting pipelines have a single-side bulged pattern, a double-side bulged pattern or a double-side flat pattern on the thermally superconducting heat dissipation plate. 
     
     
         10 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 1 , wherein the thermally superconducting pipelines have a shape of a hexagonal honeycomb, a circular honeycomb, a quadrangular honeycomb, a plurality of end-to-end connected U shapes, rhombi, triangles, rings, or a combination thereof. 
     
     
         11 . The electric controller based on a thermally superconducting heat dissipation plate according to  claim 1 , wherein openings are provided in areas between the thermally superconducting pipelines on the thermally superconducting heat dissipation plate. 
     
     
         12 . An air conditioner outdoor unit, comprising the electric controller according to  claim 1 . 
     
     
         13 . The air conditioner outdoor unit according to  claim 12 , further comprising: a housing, an air conditioner fan, an air conditioner partition support, an air conditioner compressor, and an air conditioner heat exchanger, wherein the electric controller, the thermally superconducting heat dissipation plate, the air conditioner fan, the air conditioner partition support, the air conditioner compressor, and the air conditioner heat exchanger are all located in the housing; the electric controller body and the air conditioner compressor are located on one side of the air conditioner partition support, and the thermally superconducting heat dissipation plate, the air conditioner fan and the air conditioner heat exchanger are located on the other side of the air conditioner partition support. 
     
     
         14 . The air conditioner outdoor unit according to  claim 13 , further comprising: an air conditioner fan support located in the housing, wherein the air conditioner fan is fastened on the air conditioner heat exchanger and an inner wall of the housing through the air conditioner fan support. 
     
     
         15 . The air conditioner outdoor unit according to  claim 14 , wherein the PCB circuit board of the electric controller is parallel to the air conditioner partition support, and an end of the thermally superconducting heat dissipation plate which is away from the high-heat-output power device extends to above the air conditioner fan and the air conditioner fan support.