CN212108752U - Air conditioner outdoor unit - Google Patents

Abstract

The utility model discloses an air condensing units, air condensing units includes: a housing; the control panel is arranged in the shell; the air duct cover plate is arranged in the shell and defines a heat dissipation air duct in the shell; the first heat pipe is provided with a first evaporation part and a first condensation part, the first evaporation part is in a U shape and is in contact with the control plate for heat conduction, and the first condensation part is arranged in the heat dissipation air duct; and the air guide device is arranged in the shell. According to the utility model discloses air condensing units has advantages such as the radiating effect is good, with low costs.

Description

Air conditioner outdoor unit

technical field

The utility model relates to the technical field of air conditioners, in particular to an outdoor unit of an air conditioner.

Background technique

In the outdoor unit of the air conditioner in the related art, the heating element of the control board generates a large amount of heat, and the control board is usually dissipated by natural heat dissipation and cooling medium heat dissipation. Among them, the heat dissipation effect of natural heat dissipation is limited, while the structure of refrigerant heat dissipation is complex, the control logic is cumbersome, and there is a loss of capacity, resulting in a higher overall cost.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide an air conditioner outdoor unit, which has the advantages of good heat dissipation effect and low cost.

In order to achieve the above purpose, an air conditioner outdoor unit is proposed according to an embodiment of the present utility model. The air conditioner outdoor unit includes: a housing; a control board, wherein the control board is arranged in the housing; an air duct cover, the An air duct cover plate is arranged in the casing and defines a cooling air duct in the casing; a first heat pipe, the first heat pipe has a first evaporation part and a first condensation part, and the first evaporation part is configured as U-shaped and in contact with the control board to conduct heat, the first condensing part is arranged in the cooling air duct; the air guiding device is installed in the casing.

The outdoor unit of the air conditioner according to the embodiment of the present invention has the advantages of good heat dissipation effect and low cost.

According to some specific embodiments of the present invention, the air conditioner outdoor unit further includes: a second heat pipe, the second heat pipe has a second evaporation part and a second condensation part, the second evaporation part is configured in an L shape and is connected with The control board is in contact with heat conduction, and the second condensing part is arranged in the cooling air duct.

Further, the first evaporation part is located in the middle of the length direction of the first heat pipe, the first condensation part is located at both ends of the first heat pipe in the length direction; the second evaporation part is located in One end portion in the longitudinal direction of the second heat pipe, and the second condensing portion is located at the other end portion in the longitudinal direction of the second heat pipe.

Further, the air conditioner outdoor unit further includes: at least one fin, and the fin is provided on the first condensing part and the second condensing part and is located in the cooling air duct.

According to some specific embodiments of the present invention, the outdoor unit of the air conditioner further comprises: a thermally conductive mounting plate, the thermally conductive mounting plate is mounted on the control board and is configured with a U-shaped pipe groove and an L-shaped pipe groove, the first The evaporation part is fitted in the U-shaped tube groove, the second evaporation part is fitted in the L-shaped tube groove, and the heat-conducting mounting plate presses the first evaporation part and the second evaporation part against each other. the control panel.

Further, the surface of the first evaporation part facing the control board and the surface of the second evaporation part facing the control board are both configured as planes.

Further, one side surface of the control board is provided with electronic components, the thermally conductive mounting board is mounted on the surface of the control board provided with the electronic components, and the thermally conductive mounting board connects the first evaporation part and the electronic components. The second evaporation part is pressed against the electronic component.

According to some specific embodiments of the present invention, the outdoor unit of the air conditioner further comprises: an electric control box, the electric control box is arranged in the housing, the control board is installed in the electric control box, the fan The duct cover is mounted on the electric control box and defines the heat dissipation air duct together with the control board.

According to some specific examples of the present invention, the air duct cover plate has an air inlet end and an air outlet end, the air outlet end of the air duct cover plate is configured with a flared portion, the first condensation portion and the first condensing portion Both condensing parts are located in the flaring part.

According to some specific embodiments of the present invention, the outdoor unit of the air conditioner further comprises: an air inlet nozzle, the air inlet nozzle is installed on the air duct cover, and the air inlet nozzle is respectively connected to the cooling air duct and the air inlet. The outside of the casing is communicated, and the air inlet is configured with an air inlet, and the cross-sectional area of the air inlet gradually decreases along the direction from the heat dissipation air duct to the outside of the casing.

Additional aspects and advantages of the invention will be set forth, in part, from the following description, and in part will be apparent from the following description, or learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of embodiments in conjunction with the accompanying drawings, wherein:

FIG. 1 is a schematic structural diagram of an outdoor unit of an air conditioner according to an embodiment of the present invention.

2 is a schematic structural diagram of an air duct cover plate and an electric control box of an outdoor unit of an air conditioner according to an embodiment of the present invention.

3 is a schematic assembly diagram of an air duct cover, a control board and an electric control box of an outdoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 4 is a schematic view of the assembly of the heat pipe, the fins and the heat conducting mounting plate of the outdoor unit of the air conditioner according to the embodiment of the present invention.

5 is a schematic structural diagram of a thermally conductive mounting board and a control board of an outdoor unit of an air conditioner according to an embodiment of the present invention.

FIG. 6 is a schematic view of the assembly of the heat conduction mounting plate and the control board of the outdoor unit of the air conditioner according to the embodiment of the present invention.

Reference number:

Air conditioner outdoor unit 1.

Shell 100, first chamber 101, second chamber 102, heat exchanger 103, compressor 104,

Control board 200, electronic components 210,

Air duct cover 300, cooling air duct 301, flared portion 302,

The first heat pipe 410, the first evaporation part 411, the first condensation part 412, the second heat pipe 420, the second evaporation part 421, the second condensation part 422, the plane 401,

Fins 500, heat dissipation windows 510, flanging holes 520,

Air guide device 600,

Thermal mounting plate 700, U-shaped pipe groove 710, L-shaped pipe groove 720,

Electric control box 800,

Air inlet 900 and air inlet 910.

Detailed ways

The following describes in detail the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, but should not be construed as a limitation of the present invention.

In the description of the present invention, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom" , "inside", "outside", "axial", "radial", "circumferential" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplified description, rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention.

In the description of the present invention, "first feature" and "second feature" may include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, and the meaning of "several" is one or more.

The outdoor unit 1 of the air conditioner according to the embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1-6 , the outdoor unit 1 of the air conditioner according to the embodiment of the present invention includes a casing 100 , a control board 200 , an air duct cover 300 , a first heat pipe 410 and an air guide device 600 .

The control board 200 is arranged in the casing 100 . The air duct cover 300 is disposed in the casing 100 , and the air duct cover 300 defines a cooling air duct 301 in the casing 100 . The first heat pipe 410 has a first evaporation part 411 and a first condensation part 412, the first evaporation part 411 is formed into a U shape, and the first evaporation part 411 is in contact with the control board 200 to conduct heat, that is, the first heat pipe 410 is connected to the control board. The part of 200 that is in contact with heat conduction is U-shaped, and the first condensing part 412 is arranged in the cooling air duct 301 . The air guide device 600 is installed in the casing 100. For example, the air guide device 600 is a fan. It can be understood here that the air guide device 600 can be an original fan of the outdoor unit of the air conditioner, or an additional fan.

The heat dissipation process of the control panel 200 of the air conditioner outdoor unit 1 according to the present invention will be described below.

The heat generated by the control board 200 is conducted to the first heat pipe 410. The medium inside the first heat pipe 410 absorbs heat and vaporizes to form the first evaporation part 411. The channel 301 introduces cold air with a lower temperature under the action of the negative pressure generated by the air guiding device 600, and the steam is exchanged with the cold air and releases heat to liquefy, and re-condenses into liquid to form the first condensing part 412, and the liquefied liquid passes through the porous material (liquid absorption). wick) flows back to the first evaporation part 411 by capillary force. In this reciprocating cycle, heat is transferred from the first evaporating part 411 of the first heat pipe 410 to the first condensing part 412 , and the heat of the control board 200 is continuously conducted to achieve the purpose of cooling the control board 200 .

According to the outdoor unit 1 of the air conditioner according to the embodiment of the present invention, by arranging the first heat pipe 410 and the air duct cover plate 300, the first heat pipe 410 and the outside cold air are used to continuously dissipate heat to the control board 200, which not only has a good heat dissipation effect, but also can control the control panel 200. The board 200 performs reliable temperature control, and compared with the cooling medium heat dissipation method in the related art, the structure and control logic are simple, and the cost can be effectively reduced. In addition, the first heat pipe 410 is a closed-loop circulation system, which is not controlled by the air-conditioning and refrigeration system part, and forms an independent closed-loop circulation system.

In addition, the first evaporating portion 411 of the first heat pipe 410 is configured in a U shape, and the U-shaped first evaporating portion 411 is in contact with the control board 200 to conduct heat, thereby increasing the heat conduction area and further improving the heat dissipation to the control board 200 efficiency.

Therefore, the outdoor unit 1 of the air conditioner according to the embodiment of the present invention has the advantages of good heat dissipation effect and low cost.

It can be understood by those skilled in the art that the air conditioner outdoor unit 1 according to the embodiment of the present invention further includes components such as a heat exchanger 103, a compressor 104 and the like, which will not be repeated here.

For example, FIG. 1 shows an example of an arrangement of these components, the housing 100 may have a first chamber 101 and a second chamber 102, and the heat exchanger 103 spans the first chamber 101 and the second chamber 102, The air guide device 600 is arranged in the first chamber 101, the compressor 104, the control board 200, the air duct cover 300, the first heat pipe 410 and the fins 500 are arranged in the second chamber 102, and the control board 200, the air The components of the track cover 300 , the first heat pipe 410 and the fins 500 may be located above the compressor 104 .

In some specific embodiments of the present invention, as shown in FIGS. 3 to 6 , the outdoor unit of the air conditioner 1 further includes a second heat pipe 420 , and the second heat pipe 420 has a second evaporating part 421 and a second condensing part 422 . The evaporation part 421 is configured in an L shape and is in contact with the control board 200 to conduct heat, and the second condensation part 422 is provided in the cooling air duct 301 . Therefore, the first heat pipe 410 and the second heat pipe 420 can be used to dissipate heat from the control board 200 at the same time, so as to improve the heat dissipation effect, and the first evaporation part 411 of the first heat pipe 410 is configured in a U shape, and the heat conduction area of the control board 200 The second evaporating part 421 of the second heat pipe 420 is configured in an L shape and can be set at a position with a relatively small space on the control board 200, so that the control board 200 has a relatively large space. 200 for full cooling.

Wherein, the outer diameter of the first heat pipe 410 may be 8 mm, and the outer diameter of the second heat pipe 420 may be 6 mm.

Specifically, as shown in FIG. 4 , the first evaporation part 411 is located in the middle of the first heat pipe 410 in the longitudinal direction, and the first condensation part 412 is located at both ends of the first heat pipe 410 in the longitudinal direction. The second evaporation portion 421 is located at one end portion in the longitudinal direction of the second heat pipe 420 , and the second condensation portion 422 is located at the other end portion in the longitudinal direction of the second heat pipe 420 . In this way, the first heat pipe 410 and the second heat pipe 420 are directed to different positions of the control board 200 and make full use of their high conductivity and structure to efficiently dissipate heat.

In some specific embodiments of the present invention, as shown in FIGS. 3 to 6 , the air conditioner outdoor unit 1 further includes at least one fin 500 , and the fin 500 is provided on the first condensing part 412 and the second condensing part 422 and located in in the cooling air duct 301 . For the first heat pipe 410, both ends are the first condensing parts 412, the first condensing parts 412 at both ends and the second condensing part 422 of the second heat pipe 420 are installed on the same fin 500, and the fins 500 can be multiple Each of the fins 500 is provided with a flanging hole 520 , and the first heat pipes 410 and the second heat pipes 420 pass through the plurality of fins 500 . The flanging hole 520 realizes the fixing of the plurality of fins 500. The plurality of fins 500 are arranged at intervals along the length direction of the first heat pipe 410 and the second heat pipe 420. It is defined to ensure the stability of the relative positions of the plurality of fins 500 . The plurality of fins 500 are arranged in a group, and the heat dissipation effect on the first condensing part 412 and the second condensing part 422 can be improved by using one group of fins 500 .

In some specific embodiments of the present invention, as shown in FIGS. 4 to 6 , the outdoor unit of the air conditioner 1 further includes a thermally conductive mounting plate 700 . The thermally conductive mounting plate 700 is mounted on the control board 200 , and the thermally conductive mounting plate 700 is configured with a U-shaped tube. The groove 710 and the L-shaped pipe groove 720, the first evaporation part 411 is fitted in the U-shaped pipe groove 710, the second evaporation part 421 is fitted in the L-shaped pipe groove 720, and the thermally conductive mounting plate 700 connects the first evaporation part 411 and the second The evaporation part 421 is pressed against the control board 200 . Wherein, the thermally conductive mounting plate 700 can be an aluminum alloy plate, and the U-shaped pipe groove 710 and the L-shaped pipe groove 720 can be formed by an extrusion process.

By arranging the thermally conductive mounting plate 700 , not only the first evaporation part 411 and the second evaporation part 421 can be fixed, and the first evaporation part 411 and the second evaporation part 421 can be reliably attached to the control board 200 , but also the thermally conductive mounting plate 700 has In this way, the surface area of the first evaporation part 411 and the second evaporation part 421 can be fully utilized, and the heat of the control board 200 can be fully conducted to the circumferential directions of the first evaporation part 411 and the second evaporation part 421, thereby improving heat conduction. s efficiency.

Specifically, one side surface of the control board 200 is provided with electronic components 210, including but not limited to IPM (Intelligent Power Module), IGBT (Insulated Gate Bipolar Transistor), diode, silicon bridge, etc. The thermally conductive mounting board 700 is mounted on the On the surface of the control board 200 provided with the electronic components 210 , the thermally conductive mounting plate 700 presses the first evaporation part 411 and the second evaporation part 421 against the electronic components 210 , and between the electronic components 210 and the first evaporation part 411 and Thermally conductive silica gel may be coated between the electronic component 210 and the second evaporating portion 421 , so that the heat generated by the electronic component 210 can be conducted to the first evaporating portion 411 and the second evaporating portion 421 in time.

Further, as shown in FIG. 4 , the surface of the first evaporation part 411 facing the control board 200 and the surface of the second evaporation part 421 facing the control board 200 are configured as a plane 401 , so as to ensure the first evaporation part 411 and the second evaporation part The degree of bonding between the part 421 and the electronic component 210 is increased, and the heat exchange area is increased. The surface of the first evaporation part 411 facing away from the control board 200 and the surface of the second evaporation part 421 facing away from the control board 200 may be configured as arc surfaces adapted to the tube grooves 710 .

In some specific examples of the present invention, as shown in FIG. 1 to FIG. 3 , the outdoor unit of the air conditioner 1 further includes an electric control box 800 , and the electric control box 800 is arranged in the casing 100 , for example, in the second chamber 102 and Located above the compressor 104, the control board 200 is installed in the electric control box 800 to protect the control board 200 by the electric control box 800, the air duct cover 300 is installed on the electric control box 800, and the air duct cover 300 is shared with the control board 200 The cooling air duct 301 is defined. In this way, the electric control box 800 provides a mounting carrier for the air duct cover plate 300, and the side surface of the control board 200 on which the electronic components 210 are not arranged is located in the cooling air duct 301, which further improves the accuracy of the cooling air duct 301. The heat dissipation effect of the control board 200 .

In some specific embodiments of the present invention, as shown in FIGS. 2 and 3 , the air duct cover plate 300 has an air inlet end and an air outlet end, and the air outlet end of the air duct cover plate 300 is configured with a flared portion 302 , The cross-sectional area of the cooling air duct 301 where the flared portion 302 is located is larger than the cross-sectional area of the rest of the cooling air duct 301 . The first condensation portion 412 , the second condensation portion 422 and the fins 500 are located in the flared portion 302 . Therefore, on the one hand, a larger accommodating space is provided for the first condensing part 412 , the second condensing part 422 and the fins 500 , and on the other hand, the airflow between the first condensing part 412 , the second condensing part 422 and the fins 500 is improved heat transfer efficiency.

In some specific examples of the present invention, as shown in FIGS. 1 to 3 , the outdoor unit of the air conditioner 1 further includes an air intake nozzle 900 . The duct 301 communicates with the outside of the housing 100, and the air inlet 900 is configured with an air inlet 910. The cross-sectional area of the air inlet 910 gradually decreases along the direction from the cooling air duct 301 to the outside of the housing 100, so that the air intake can be Smoother and higher air intake.

Those skilled in the art can understand that the air outlet of the outdoor unit of the air conditioner 1 may use the original air outlet of the housing 100, or an additional separate air outlet may be provided.

The assembling process of the heat dissipation part of the outdoor unit 1 of the air conditioner according to the embodiment of the present invention is described below by way of example.

First, the first heat pipe 410 and the second heat pipe 420 are pressed into the U-shaped pipe groove 710 and the L-shaped pipe groove 720 of the thermally conductive mounting plate 700 by an extrusion process, and then the first heat pipe 410 and the second heat pipe 410 and the second heat pipe 410 and the second heat pipe 410 are added. The contact area of the heat pipe 420 . The fins 500 are then run up and tightened to ensure good contact. Afterwards, the heat-conducting mounting plate 700 is mounted on the control board 200 by screws, and then the entire assembled components are placed inside the electric control box 800, and fixed with screws after being installed in place. Finally, cover and fix the air duct cover plate 300 according to the corresponding position, and then fix the air inlet nozzle 900 .

Other structures and operations of the air conditioner outdoor unit 1 according to the embodiment of the present invention are known to those of ordinary skill in the art, and will not be described in detail here.

In the description of this specification, description with reference to the terms "specific embodiment", "specific example", etc. means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment of the present invention or in the example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the present invention. Variations, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

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

a housing;

the control panel is arranged in the shell;

the air duct cover plate is arranged in the shell and defines a heat dissipation air duct in the shell;

the first heat pipe is provided with a first evaporation part and a first condensation part, the first evaporation part is in a U shape and is in contact with the control plate for heat conduction, and the first condensation part is arranged in the heat dissipation air duct;

and the air guide device is arranged in the shell.

2. The outdoor unit of claim 1, further comprising:

the second heat pipe is provided with a second evaporation part and a second condensation part, the second evaporation part is constructed into an L shape and is in contact with the control plate for heat conduction, and the second condensation part is arranged in the heat dissipation air duct.

3. The outdoor unit of claim 2, wherein the first evaporation part is positioned at a middle portion of the first heat pipe in a length direction thereof, and the first condensation part is positioned at both end portions of the first heat pipe in the length direction thereof;

the second evaporation portion is located at one end portion of the second heat pipe in the length direction, and the second condensation portion is located at the other end portion of the second heat pipe in the length direction.

4. The outdoor unit of claim 2, further comprising:

the fins are arranged on the first condensation part and the second condensation part and are positioned in the heat dissipation air duct.

5. The outdoor unit of claim 2, further comprising:

the heat conduction mounting panel, the heat conduction mounting panel install in the control panel just is constructed with U-shaped chase and L shape chase, first evaporation portion cooperate in the U-shaped chase, the second evaporation portion cooperate in the L shape chase, the heat conduction mounting panel with first evaporation portion with the second evaporation portion compress tightly in the control panel.

6. The outdoor unit of claim 5, wherein a surface of the first evaporation unit facing the control panel and a surface of the second evaporation unit facing the control panel are each configured to be flat.

7. The outdoor unit of claim 5, wherein electronic components are provided on one side surface of the control panel, and the heat conduction mounting plate is mounted on the surface of the control panel on which the electronic components are provided, and presses the first evaporation unit and the second evaporation unit against the electronic components.

8. The outdoor unit of claim 1, further comprising:

the electronic control box is arranged in the shell, the control panel is arranged in the electronic control box, and the air duct cover plate is arranged in the electronic control box and is limited by the control panel together with the heat dissipation air duct.

9. The outdoor unit of claim 2, wherein the duct cover plate has an air inlet end and an air outlet end, the air outlet end of the duct cover plate is configured with a flared portion, and the first and second condensing portions are located in the flared portion.

10. The outdoor unit of claim 1, further comprising:

the air inlet nozzle is installed on the air channel cover plate and is respectively communicated with the heat dissipation air channel and the outside of the shell, an air inlet is formed in the air inlet nozzle, and the cross sectional area of the air inlet is gradually reduced along the direction from the heat dissipation air channel to the outside of the shell.

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