CN216011066U - Heat abstractor, air condensing units and air conditioner - Google Patents

Abstract

The embodiment of the application provides a heat abstractor, air condensing units and air conditioner belongs to air conditioner technical field, and heat abstractor includes first heating panel, second heating panel and cooling tube. The first heat dissipation plate is provided with a mounting groove penetrating through the first heat dissipation plate. The second heating panel lid fits first heating panel, and the cooling tube configuration is for supplying the refrigerant to flow, and the cooling tube is located between first heating panel and the second heating panel, and the cooling tube is including predetermineeing the sub-pipe and with predetermineeing the sub-union coupling's heat dissipation sub-pipe, predetermine the sub-pipe at least partially be located the mounting groove so that the first heating panel of cooling tube embedding, predetermine the extension direction that the sub-pipe followed the mounting groove and run through first heating panel. Because the preset sub-pipe penetrates through the first heat dissipation plate along the extending direction of the mounting groove, the heat dissipation sub-pipe is basically located outside the projection area of the first heat dissipation plate along the thickness direction of the first heat dissipation plate, and the first heat dissipation plate and the second heat dissipation plate can be well attached together, so that the heat dissipation efficiency of the heat dissipation device is improved.

Description

Heat abstractor, air condensing units and air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to a heat dissipation device, an air conditioner outdoor unit and an air conditioner.

Background

In the related art, taking an air conditioner as an example, the temperature of the electric control device of the outdoor unit of the air conditioner is high, heat needs to be dissipated from the electric control device, and the electric control device may be an electric control board.

Disclosure of Invention

In view of the above, it is desirable to provide a heat dissipation device, an outdoor unit of an air conditioner, and an air conditioner, so as to improve heat dissipation efficiency.

To achieve the above object, an aspect of the present invention provides a heat dissipation device, including:

a first heat dissipation plate formed with an installation groove penetrating the first heat dissipation plate;

the second heat dissipation plate covers the first heat dissipation plate; and

the radiating pipe is configured to be used for flowing of a cooling medium, the radiating pipe is located between the first radiating plate and the second radiating plate, the radiating pipe comprises a preset sub pipe and a radiating sub pipe connected with the preset sub pipe, the preset sub pipe is at least partially located in the mounting groove to enable the radiating pipe to be embedded into the first radiating plate, and the preset sub pipe penetrates through the first radiating plate along the extending direction of the mounting groove.

In one embodiment, the second heat dissipation plate is provided with an avoiding groove corresponding to the mounting groove, the avoiding groove penetrates through the second heat dissipation plate, the preset sub-pipe is partially located in the avoiding groove, and the preset sub-pipe penetrates through the second heat dissipation plate along the extending direction of the mounting groove.

In one embodiment, the wall surface of the mounting groove and the wall surface of the avoiding groove are matched with the preset sub-pipe.

In one embodiment, along the width direction of the installation groove, the opening size of the installation groove is smaller than the size of the preset sub-pipe.

In one embodiment, the predetermined sub-tube and the heat dissipating sub-tube are integrally formed, and the predetermined sub-tube has a size smaller than that of the heat dissipating sub-tube along a thickness direction of the first heat dissipating plate.

A second aspect of the present embodiment provides an outdoor unit of an air conditioner, including:

the heat dissipating device of any of the above;

the electric control device is connected with the heat dissipation device so that the heat dissipation device dissipates heat to the electric control device;

a first nipple connected to an upstream of the radiating pipe;

a condenser assembly connected upstream of the first connection pipe, the condenser assembly configured to supply a refrigerant for cooling to the first connection pipe; and

and a second nipple connected to a downstream of the radiating pipe.

In one embodiment, the heat dissipation pipe is welded to the first connection pipe and the second connection pipe respectively, the electric control device is connected to the second heat dissipation plate, and the first heat dissipation plate is located on one side of the second heat dissipation plate, which is far away from the electric control device.

In one embodiment, the projection is along the arrangement direction of the first heat dissipation plate and the second heat dissipation plate, and the projection area of the first heat dissipation plate is located in the projection area of the second heat dissipation plate.

In one embodiment, the electric control device is located above the second heat dissipation plate, the first heat dissipation plate is located below the second heat dissipation plate, a support groove is formed in the first heat dissipation plate, the outdoor unit of the air conditioner further comprises an electric control box, a support device and a shell, the heat dissipation device, the first connection pipe, the second connection pipe and the condenser assembly are located in the shell, the electric control box is installed in the shell and used for containing the electric control device, the support device is partially located in the support groove and clamped with the first heat dissipation plate, and the support device is connected with the electric control box.

A third aspect of the present application provides an air conditioner comprising:

any one of the air conditioner outdoor units described above; and

the air-conditioning indoor unit comprises an air-conditioning indoor unit main body and an evaporator positioned in the air-conditioning indoor unit main body, wherein the evaporator is connected to the downstream of the second connecting pipe.

The heat dissipation device of the embodiment of the application, because predetermine the extension direction that the sub-pipe runs through first heating panel along the mounting groove, the heat dissipation sub-pipe all is located first heating panel along the projection area of first heating panel thickness direction basically, the extension direction that the second heating panel can follow the mounting groove covers first heating panel as much as possible, even the heat dissipation sub-pipe cross sectional dimension is great also can not produce the clearance because the heat dissipation sub-pipe lifts the second heating panel off first heating panel, first heating panel and second heating panel can be in the same place betterly, therefore the heat transfer efficiency between first heating panel and the second heating panel has been improved, the exposure of cooling tube in the air has been reduced, make heat dissipation device's radiating efficiency can improve.

Drawings

Fig. 1 is an assembly view of a heat dissipation tube and a first heat dissipation plate according to an embodiment of the present application;

FIG. 2 is a view taken along the line B in FIG. 1;

FIG. 3 is an enlarged view of FIG. 2 at location C;

FIG. 4 is an enlarged view of FIG. 2 at position D;

FIG. 5 is a cross-sectional view taken at location A-A of FIG. 1;

fig. 6 is an assembly view of a heat dissipation device and an electric control device according to an embodiment of the present application;

FIG. 7 is a cross-sectional view taken at location E-E of FIG. 6;

FIG. 8 is an exploded view of the structure shown in FIG. 7;

fig. 9 is an exploded view of the electric control device, the first heat dissipation plate, the second heat dissipation plate and the heat dissipation pipe in another view according to an embodiment of the present application;

fig. 10 is a schematic structural diagram of a heat dissipation device according to an embodiment of the present application.

Description of reference numerals: a heat sink 100; a first heat dissipation plate 1; a mounting groove 11; a support groove 12; a second heat dissipation plate 2; an avoidance groove 21; a radiating pipe 3; presetting a sub-pipe 31; a heat sink sub-tube 32; a sub-tube body 321; a transition tube 322; an electric control device 200; a first boundary P1; a second boundary P2.

Detailed Description

It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.

In the description of the embodiments of the present application, "upper", "lower", "top", "bottom", orientation or positional relationship is based on the orientation or positional relationship shown in fig. 6, it being understood that these orientation terms are merely for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present application. Referring to fig. 6, the up-down direction is a direction indicated by an arrow R1 in the drawing.

Before describing the embodiments of the present application, it is necessary to analyze the reason why the heat dissipation efficiency of the heat dissipation device is low in the related art, and obtain the technical solution of the embodiments of the present application through reasonable analysis.

In the related art, taking the heat dissipation device of the outdoor unit of the air conditioner as an example, the heat dissipation device is mainly used for dissipating heat of an electric control device of the outdoor unit of the air conditioner, and the electric control device may be an electric control board. The heat dissipation device generally comprises a first heat dissipation plate and a heat dissipation pipe, wherein the first heat dissipation plate is provided with a mounting groove, the heat dissipation pipe generally comprises a preset sub pipe and a heat dissipation sub pipe connected with the preset sub pipe, and the heat dissipation sub pipe is located in the mounting groove so that the heat dissipation sub pipe is embedded into the first heat dissipation plate, so that the heat dissipation pipe can be firmly mounted on the first heat dissipation plate. In the related art, the preset sub-tube is usually located in a projection area of the first heat dissipation plate in the thickness direction of the first heat dissipation plate, and the preset sub-tube does not extend out of the projection area of the first heat dissipation plate, so that the heat dissipation sub-tube can also be partially located in the projection area of the first heat dissipation plate, when the second heat dissipation plate covers the first heat dissipation plate, the second heat dissipation plate can possibly cover the heat dissipation sub-tube except the preset sub-tube, and under the condition that the cross section size of the heat dissipation sub-tube is large, the second heat dissipation plate is possibly lifted away from the first heat dissipation plate, a gap is generated between the first heat dissipation plate and the second heat dissipation plate, the heat transfer efficiency between the first heat dissipation plate and the second heat dissipation plate is reduced, the heat dissipation tube is more exposed in the air, so that the cold quantity part of the refrigerant is consumed by the air, and the heat dissipation efficiency of the heat dissipation device is reduced.

In view of this, an embodiment of the present application provides an air conditioner, which includes an outdoor unit and an indoor unit connected to each other.

In one embodiment, the indoor unit of the air conditioner comprises an indoor unit main body of the air conditioner and an evaporator positioned in the indoor unit main body of the air conditioner.

In an embodiment, referring to fig. 6 to 10, the outdoor unit of the air conditioner includes a heat dissipation device 100, an electric control device 200, a first connection pipe, a condenser assembly, and a second connection pipe. The electronic control device 200 is connected to the heat dissipation device 100 such that the heat dissipation device 100 dissipates heat from the electronic control device 200. A first connection pipe is connected to an upstream of the heat sink 100, a condenser assembly is connected to the upstream of the first connection pipe, the condenser assembly is configured to supply a cooling medium for cooling to the first connection pipe, and a second connection pipe is connected to a downstream of the heat sink 100. In this structure, the condenser assembly provides the refrigerant to the first connection pipe, the refrigerant flows through the heat dissipation device 100 to dissipate heat of the electronic control device 200, and the refrigerant flowing out of the heat dissipation device 100 flows to the second connection pipe.

In one embodiment, the evaporator is connected downstream of the second nozzle.

In one embodiment, the electronic control device 200 may be an electronic control board.

In one embodiment, the condenser assembly comprises a condenser and a throttle valve, the throttle valve is connected in series between the condenser and the first connecting pipe, and compressed refrigerant in the condenser is throttled by the throttle valve, gasified and absorbs heat, and the temperature of the refrigerant is reduced. The refrigerant with lower temperature flows to the heat dissipation pipe 3 through the first connection pipe to absorb the heat of the electric control device 200, and then flows out of the heat dissipation device 100 to enter the evaporator for absorbing heat and reducing temperature.

Referring to fig. 1 to 5 and 10, the heat dissipation apparatus 100 of the embodiment of the present application includes a first heat dissipation plate 1, a second heat dissipation plate 2 and a heat dissipation pipe 3. The first heat radiating plate 1 is formed with a mounting groove 11 penetrating the first heat radiating plate 1. The second heat sink 2 covers the first heat sink 1. The radiating pipe 3 is configured to allow a cooling medium to flow, the radiating pipe 3 is located between the first radiating plate 1 and the second radiating plate 2, the radiating pipe 3 includes a predetermined sub-pipe 31 and a radiating sub-pipe 32 connected to the predetermined sub-pipe 31, the predetermined sub-pipe 31 is at least partially located in the mounting groove 11 to enable the radiating pipe 3 to be embedded into the first radiating plate 1, and the predetermined sub-pipe 31 penetrates through the first radiating plate 1 along an extending direction of the mounting groove 11. According to the structure, the preset sub-pipe 31 penetrates through the first heat dissipation plate 1 along the extending direction of the installation groove 11, the heat dissipation sub-pipe 32 is basically located outside the projection area of the first heat dissipation plate 1 along the thickness direction of the first heat dissipation plate 1, the second heat dissipation plate 2 can cover the first heat dissipation plate 1 as much as possible along the extending direction of the installation groove 11, even if the cross section size of the heat dissipation sub-pipe 32 is large, a gap is not generated due to the fact that the second heat dissipation plate 2 is lifted away from the first heat dissipation plate 1 by the heat dissipation sub-pipe 32, the first heat dissipation plate 1 and the second heat dissipation plate 2 can be well attached together, therefore, the heat transfer efficiency between the first heat dissipation plate 1 and the second heat dissipation plate 2 is improved, the exposure of the heat dissipation pipe 3 in the air is reduced, and the heat dissipation efficiency of the heat dissipation device 100 is improved.

In one embodiment, the cross sections of the predetermined sub-pipe 31 are substantially constant along the extending direction of the installation groove 11, and the cross sections of the predetermined sub-pipe 31 are predetermined sections.

In one embodiment, the predetermined sub-tube 31 and the heat dissipating sub-tube 32 are integrally formed.

In one embodiment, the size of the predetermined sub-pipe 31 is smaller than the size of the heat dissipating sub-pipe 32 along the thickness direction of the first heat dissipating plate 1.

In an embodiment, referring to fig. 3 to 5, when the predetermined sub-tube 31 and the heat dissipating sub-tube 32 are integrally formed, the predetermined sub-tube 31 is deformed to increase the dimension of the predetermined sub-tube 31 along the width direction of the mounting groove, so that the predetermined sub-tube 31 is embedded into the first heat dissipating plate 1, and the dimension of the predetermined sub-tube 31 along the thickness direction of the first heat dissipating plate 1 is correspondingly decreased.

It is understood that the predetermined sub-pipe 31 is embedded in the first heat dissipation plate 1 by deformation, and the size of the predetermined sub-pipe 31 in the thickness direction of the first heat dissipation plate 1 may be smaller than the size of the heat dissipation sub-pipe 2 in the thickness direction of the first heat dissipation plate 1.

In one embodiment, the predetermined sub-tube 31 may be deformed by expanding or compressing the tube.

In one embodiment, referring to fig. 3 and 4, the heat dissipating sub-pipe 32 includes a sub-pipe main body 321 and a transition pipe 322 connected to each other, and the transition pipe 322 is connected to the predetermined sub-pipe 31.

In one embodiment, the sub-tube main body 321, the transition tube 322 and the predetermined sub-tube 31 are integrally formed.

It can be understood that, when the sub-tube main body 321, the transition tube 322 and the predetermined sub-tube 31 are integrally formed, the predetermined sub-tube 31 is deformed to be embedded in the first heat sink 1, the sub-tube main body 321 does not need to be embedded in the first heat sink 1, no deformation may be generated, the cross section of the sub-tube main body 321 which does not generate deformation cannot be suddenly changed to the cross section of the predetermined sub-tube 31, and the transition tube 322 is required to be gradually deformed and transited between the predetermined sub-tube 31 and the sub-tube main body 321.

In an embodiment, referring to fig. 3 and 4, in the thickness direction of the first heat dissipation plate 1, the predetermined sub-tube 31 has a size D4, the sub-tube main body 321 has a size D3, D4 is smaller than D3, and the size of the transition tube 322 gradually increases from D4 to D3, so that the sizes of the sub-tube main body 321 of the heat dissipation sub-tube 32 and the transition tube 322 are both larger than the predetermined sub-tube 31, that is, the predetermined sub-tube 31 has a size smaller than the heat dissipation sub-tube 32.

In one embodiment, the default sub-tube 31 and the heat sink sub-tube 32 may be welded.

In an embodiment, referring to fig. 1, fig. 3 and fig. 4, the first heat sink 1 is shown as a projection of the first heat sink 1 along a thickness direction of the first heat sink 1. The first heat dissipation plate 1 is shown as a rectangle, the boundaries of the two ends of the projection area of the first heat dissipation plate 1 along the extension direction of the installation slot 11 are a first boundary P1 and a second boundary P2, respectively, the preset sub-pipe 31 penetrates through the first heat dissipation plate 1 along the extension direction of the installation slot 11, so that the preset sub-pipe 31 extends out of the projection area between the first boundary P1 and the second boundary P2, and the heat dissipation sub-pipe 32 is located out of the projection area between the first boundary P1 and the second boundary P2.

Specifically, referring to fig. 3, a position shown by a dotted line M in the figure is an end portion of one end of the preset sub-pipe 31 along the extending direction of the installation groove 11, and is also a boundary position of the preset sub-pipe 31 and the heat dissipation sub-pipe 32, and the heat dissipation sub-pipe 32 is located on a side of the dotted line M away from the first heat dissipation plate 1. Referring to fig. 4, a position indicated by a dotted line N in the figure is an end portion of the other end of the preset sub-pipe 31 along the extending direction of the installation groove 11, and is also another boundary position of the preset sub-pipe 31 and the heat dissipation sub-pipe 32, and the heat dissipation sub-pipe 32 is located on a side of the dotted line N away from the first heat dissipation plate 1. The second heat dissipation plate 2 covers the first heat dissipation plate 1, and the second heat dissipation plate 2 can cover the first boundary P1 and the second boundary P2 of the first heat dissipation plate 1 along the extending direction of the mounting groove 11, even slightly beyond the first boundary P1 and the second boundary P2, in this state, the second heat dissipation plate 2 may not contact the heat dissipation sub-pipe 32, and the second heat dissipation plate 2 will not lift away from the first heat dissipation plate 1 due to the large cross-sectional size of the heat dissipation sub-pipe 32, so that the larger contact area between the first heat dissipation plate 1 and the second heat dissipation plate 2 can be allowed as much as possible, and the heat transfer efficiency between the first heat dissipation plate 1 and the second heat dissipation plate 2 can be improved.

In one embodiment, the first heat dissipation plate 1 and the second heat dissipation plate 2 may be pressed against each other but not connected to each other.

In one embodiment, the first heat dissipation plate 1 and the second heat dissipation plate 2 may be detachably connected, for example, screwed, bolted, etc.

In one embodiment, the first heat sink 1 and the second heat sink 2 may be non-detachably connected, for example, riveted or the like.

In one embodiment, a heat-dissipating silicone is coated between the first heat-dissipating plate 1 and the second heat-dissipating plate 2.

In one embodiment, a heat dissipation silicone is coated between the first heat dissipation plate 1 and the heat dissipation pipe 3.

In one embodiment, a heat dissipation silicone is coated between the second heat dissipation plate 2 and the heat dissipation tube 3.

It is understood that, in the process of inserting the radiating pipe 3 into the first radiating plate 1 by performing a deforming operation of the radiating pipe 3, for example, pressing or expanding the radiating pipe 3, the predetermined sub-pipes 31 of the radiating pipe 3 may not be entirely positioned in the mounting groove 11, and a portion of the predetermined sub-pipes 31 may be positioned outside the mounting groove 11. In an embodiment, referring to fig. 6 to 10, the second heat dissipation plate 2 is formed with an avoiding groove 21 corresponding to the mounting groove 11, the avoiding groove 21 penetrates through the second heat dissipation plate 2, the predetermined sub-pipe 31 is partially located in the avoiding groove 21, and the predetermined sub-pipe 31 penetrates through the second heat dissipation plate 2 along the extending direction of the mounting groove 11. According to the structure, on one hand, the avoiding groove 21 penetrates through the second heat dissipation plate 2, the avoiding groove 21 is a through groove used for avoiding the preset sub-pipe 31, the preset sub-pipe 31 is located in the avoiding groove 21 and penetrates through the second heat dissipation plate 2, the cross section of the avoiding groove 21 is basically unchanged, and the heat dissipation plate is easy to process and manufacture. On the other hand, the part of the radiating pipe 3 exposed out of the mounting groove 11 is accommodated by the escape groove 21 of the second radiating plate 2, which can prevent the second radiating plate 2 from being lifted by the predetermined sub-pipe 31, and make the second radiating plate 2 close to the predetermined sub-pipe 31 of the radiating pipe 3 as much as possible, thereby reducing the exposure of the radiating pipe 3 to the air.

In an embodiment, all the preset sub-pipes 31 of the heat dissipation pipe 3 may be pushed into the mounting groove 11 along the thickness direction of the first heat dissipation plate 1, the preset sub-pipes 31 of the heat dissipation pipe 3 do not protrude from the mounting groove 11 along the thickness direction of the first heat dissipation plate 1, and the escape groove 21 for escaping the preset sub-pipes 31 may not be provided on the second heat dissipation plate 2.

In one embodiment, referring to fig. 7 and 8, the wall surface of the installation groove 11 and the wall surface of the avoiding groove 21 are both adapted to the predetermined sub-pipe 31. With such a structure, the first heat dissipation plate 1 and the second heat dissipation plate 2 can be better attached to the heat dissipation pipe 3, so that the heat transfer efficiency between the first heat dissipation plate 1 and the heat dissipation pipe 3 and the heat transfer efficiency between the second heat dissipation plate 2 and the heat dissipation pipe 3 are improved, and the efficiency of the heat dissipation device 100 is improved.

In one embodiment, the cross-sectional shape of the sub-tube body 321 is circular.

In one embodiment, the cross-sectional shape of the predetermined sub-tube 31 before being deformed may be circular, and the cross-sectional shape of the predetermined sub-tube 31 after being deformed by pressing or expanding may be elliptical. The sectional shape of the wall surface of the mounting groove 11 and the sectional shape of the wall surface of the avoiding groove 21 are both elliptical arcs.

In one embodiment, the cross-section of the wall surface of the mounting groove 11 and the cross-section of the wall surface of the escape groove 21 enclose an ellipse.

In one embodiment, referring to fig. 7 and 8, the opening of the installation slot 11 is smaller than the predetermined sub-tube 31 along the width direction of the installation slot 11. With such a structure, since the opening size of the mounting groove 11 is small, the predetermined sub-pipe 31 of the radiating pipe 3 is difficult to be released from the mounting groove 11, and the predetermined sub-pipe 31 of the radiating pipe 3 is embedded in the first radiating plate 1 by setting the opening size of the mounting groove 11.

Referring to fig. 8, the direction indicated by an arrow R2 in the drawing is the width direction of the mounting groove 11.

In one embodiment, referring to fig. 8, the opening of the mounting groove 11 is D1 along the width direction of the mounting groove 11. The dimension of the sub-pipe 31 is preset to be D2, D1< D2 along the width direction of the installation groove 11.

In one embodiment, the width direction of the mounting groove 11 is perpendicular to the extending direction of the mounting groove 11.

It will be understood that the size of the opening of the installation groove 11 is not necessarily smaller than the size of the pre-setting sub-pipe 31 in the width direction of the installation groove 11. In one embodiment, the opening of the mounting groove 11 may be equal to or larger than the predetermined sub-pipe 31 along the width direction of the mounting groove 11, and the predetermined sub-pipe 31 of the radiating pipe 3 is located in the mounting groove 11 and is tightly fitted with the first radiating plate 1. Illustratively, the radiating pipe 3 is interference-fitted with the first radiating plate 1.

In one embodiment, the first heat sink 1 and the second heat sink 2 are both aluminum plates, and the heat sink 3 is a copper tube.

It is understood that the material of the first heat sink 1 and the second heat sink 2 is not limited to aluminum, as long as the heat sink has good heat conductivity and can dissipate heat. The material of the heat dissipation pipe 3 is not limited to copper, and the heat dissipation pipe can dissipate heat as long as the heat dissipation pipe has good heat conduction performance.

In an embodiment, referring to fig. 6 to 9, the heat dissipation tube 3 is welded to the first connection tube and the second connection tube, the electric control device 200 is connected to the second heat dissipation plate 2, and the first heat dissipation plate 1 is located on a side of the second heat dissipation plate 2 away from the electric control device 200. In this configuration, since the radiating pipe 3 is installed in the outdoor unit of the air conditioner and welded to the corresponding first connection pipe and second connection pipe, the radiating pipe 3 and the first radiating plate 1 embedded by the radiating pipe 3 cannot be too close to the electric control device 200 to prevent the electric control device 200 from being damaged during the welding process, the second heat dissipation plate 2 is arranged between the first heat dissipation plate 1 and the electric control device 200, and the second heat dissipation plate 2 is connected with the electric control device 200 to dissipate heat of the electric control device 200, so that the first heat dissipation plate 1 and the heat dissipation pipe 3 embedded in the first heat dissipation plate 1 can be spaced from the electric control device 200 by a certain distance, the heat dissipation pipe 3 can be conveniently welded and installed, and the heat of the electric control device 200 is transferred to the heat dissipation pipe 3 and the first heat dissipation plate 1 for heat dissipation through the heat conduction of the second heat dissipation plate 2, so that the electric control device 200 is not damaged by welding, and the heat dissipation device 100 has a good heat dissipation effect.

In an embodiment, referring to fig. 6 to 10, the projection area of the first heat sink 1 is located in the projection area of the second heat sink 2 when the first heat sink 1 and the second heat sink 2 are projected along the arrangement direction. In such a structure, the projection area of the second heat dissipation plate 2 is large, the surface of the first heat dissipation plate 1 facing one side of the second heat dissipation plate 2 can be fully contacted with the second heat dissipation plate 2, the heat of the electronic control device 200 can be effectively transferred to the first heat dissipation plate 1 through the second heat dissipation plate 2, and the heat dissipation efficiency of the heat dissipation device 100 can be improved to a certain extent.

It should be explained that the projection area of the first heat sink 1 is located within the projection area of the second heat sink 2, including the case where the projection area of the first heat sink 1 and the projection area of the second heat sink 2 completely overlap.

In an embodiment, the projection area of the second heat dissipation plate 2 may be located in the projection area of the first heat dissipation plate 1.

In an embodiment, referring to fig. 1 and 9, the electronic control device 200 is located above the second heat sink 2, the first heat sink 1 is located below the second heat sink 2, and the first heat sink 1 is formed with a supporting groove 12. The air conditioner outdoor unit further comprises an electric control box, a supporting device and a shell. The heat dissipation device 100, the first connecting pipe, the second connecting pipe and the condenser assembly are located in the shell, the electric control box is installed in the shell and used for containing the electric control device 200, the supporting device is partially located in the supporting groove 12 and clamped with the first heat dissipation plate 1, and the supporting device is connected with the electric control box. Like this structural style, because electrically controlled device 200 is located the top of second heating panel 2, first heating panel 1 is located the below of second heating panel 2, takes over the welding with first takeover and second respectively when the cooling tube 3 of gomphosis in first heating panel 1, and the welding slag that drops deviates from electrically controlled device 200 and falls under the action of gravity in the welding process, is favorable to protecting electrically controlled device 200 not damaged. The electric control box is installed in the shell of the air conditioner outdoor unit, the supporting device is connected with the electric control box so that the supporting device is installed on the electric control box, and the supporting device is partially located in the supporting groove 12 to be clamped with the first heat dissipation plate 1, so that the first heat dissipation plate 1 can be supported by the supporting device, and the first heat dissipation plate 1 and the heat dissipation pipe 3 are prevented from shaking to a certain extent.

It can be understood that the heat dissipation device 100 of the present application is mainly used for heat dissipation of the electric control device 200 of the outdoor unit of the air conditioner, and can also be used for heat dissipation of other objects requiring heat dissipation according to actual needs.

The various embodiments/implementations provided herein may be combined with each other without contradiction.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A heat dissipating device, comprising:

a first heat dissipation plate (1) in which an installation groove (11) penetrating through the first heat dissipation plate (1) is formed;

a second heat dissipation plate (2) covering the first heat dissipation plate (1); and

the radiating pipe (3) is configured to be used for flowing of a cooling medium, the radiating pipe (3) is located between the first radiating plate (1) and the second radiating plate (2), the radiating pipe (3) comprises a preset sub pipe (31) and a radiating sub pipe (32) connected with the preset sub pipe (31), the preset sub pipe (31) is at least partially located in the installation groove (11) to enable the radiating pipe (3) to be embedded into the first radiating plate (1), and the preset sub pipe (31) penetrates through the first radiating plate (1) along the extending direction of the installation groove (11).

2. The heat dissipating device according to claim 1, wherein the second heat dissipating plate (2) is formed with an avoiding groove (21) corresponding to the mounting groove (11), the avoiding groove (21) penetrates through the second heat dissipating plate (2), the predetermined sub-pipe (31) is partially located in the avoiding groove (21), and the predetermined sub-pipe (31) penetrates through the second heat dissipating plate (2) along an extending direction of the mounting groove (11).

3. The heat sink according to claim 2, wherein the wall surface of the mounting groove (11) and the wall surface of the avoiding groove (21) are both adapted to the predetermined sub-pipe (31).

4. The heat dissipating device as claimed in any one of claims 1 to 3, wherein the opening size of the installation groove (11) is smaller than the size of the predetermined sub-pipe (31) in the width direction of the installation groove (11).

5. The heat sink according to any one of claims 1 to 3, wherein the predetermined sub-pipe (31) is integrally formed with the heat dissipating sub-pipe (32), and a size of the predetermined sub-pipe (31) is smaller than a size of the heat dissipating sub-pipe (32) in a thickness direction of the first heat dissipating plate (1).

6. An outdoor unit of an air conditioner, comprising:

the heat sink (100) according to any of claims 1 to 4;

the electronic control device (200) is connected with the heat dissipation device (100) so that the heat dissipation device (100) dissipates heat of the electronic control device (200);

a first connection pipe connected to an upstream of the radiating pipe (3);

a condenser assembly connected upstream of the first connection pipe, the condenser assembly configured to supply a refrigerant for cooling to the first connection pipe; and

a second connection pipe connected to a downstream of the radiating pipe (3).

7. The outdoor unit of claim 6, wherein the heat dissipating pipe (3) is welded to the first connecting pipe and the second connecting pipe, respectively, the electric control unit (200) is connected to the second heat dissipating plate (2), and the first heat dissipating plate (1) is located on a side of the second heat dissipating plate (2) facing away from the electric control unit (200).

8. The outdoor unit of claim 7, wherein a projection area of the first radiating plate (1) is located within a projection area of the second radiating plate (2) when projected in an arrangement direction of the first radiating plate (1) and the second radiating plate (2).

9. The outdoor unit of claim 7, wherein the electric control device (200) is located above the second heat radiating plate (2), the first heat radiating plate (1) is located below the second heat radiating plate (2), the first heat radiating plate (1) is formed with a supporting groove (12), the outdoor unit further comprises an electric control box, a supporting device and a casing, the heat radiating device (100), the first connecting pipe, the second connecting pipe and the condenser assembly are located in the casing, the electric control box is installed in the casing and is used for accommodating the electric control device (200), the supporting device is partially located in the supporting groove (12) to be engaged with the first heat radiating plate (1), and the supporting device is connected with the electric control box.

10. An air conditioner, comprising:

the outdoor unit of any one of claims 6 to 9; and

the air-conditioning indoor unit comprises an air-conditioning indoor unit main body and an evaporator positioned in the air-conditioning indoor unit main body, wherein the evaporator is connected to the downstream of the second connecting pipe.

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