CN211953039U

CN211953039U - Outdoor machine of air conditioner

Info

Publication number: CN211953039U
Application number: CN202020209046.5U
Authority: CN
Inventors: 周学明
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2020-02-25
Filing date: 2020-02-25
Publication date: 2020-11-17
Anticipated expiration: 2030-02-25

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 heat pipe is provided with an evaporation part and a condensation part, the evaporation part is in contact with the control board for heat conduction, and the condensation part is arranged in the heat dissipation air duct; the fins are arranged at the condensation part of the heat pipe and positioned in the heat dissipation air duct, and heat dissipation windows are formed in the fins; 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

Outdoor machine of air conditioner

Technical Field

The utility model belongs to the technical field of the air conditioning technology and specifically relates to an air condensing units is related to.

Background

In the related art, the heating module of the control panel of the outdoor unit of the air conditioner generates a large amount of heat, and the control panel is usually cooled by natural cooling and refrigerant cooling. The natural heat dissipation effect is limited, the refrigerant heat dissipation structure is complex, the control logic is complex and the refrigerant heat dissipation structure has the ability to lose, and the overall cost is high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide an outdoor unit of an air conditioner, which has the advantages of good heat dissipation effect, low cost, etc.

In order to achieve the above object, according to the utility model discloses an air condensing units is provided to the embodiment, 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 heat pipe is provided with an evaporation part and a condensation part, the evaporation part is in contact with the control board for heat conduction, and the condensation part is arranged in the heat dissipation air duct; the fins are arranged at the condensation part of the heat pipe and positioned in the heat dissipation air duct, and heat dissipation windows are formed in the fins; 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.

According to some embodiments of the utility model, the fin is equipped with a plurality ofly heat dissipation window, every heat dissipation window follows the length direction of fin extends, and is a plurality of heat dissipation window is in arrange into the multiunit on the fin, multiunit heat dissipation window follows respectively the length direction and the width direction array of fin distribute.

According to some embodiments of the utility model, the fin is a plurality of, every the fin is equipped with the turn-ups hole, the heat pipe is worn to locate a plurality of the turn-ups hole of fin, it is a plurality of the fin is followed the length direction interval of heat pipe sets up.

Further, the distance between the adjacent fins is 0.5 mm-10 mm.

According to some embodiments of the present invention, the outdoor unit of an air conditioner further comprises: the heat-conducting mounting plate is mounted on the control plate and is configured with a pipe groove, the evaporation part is matched in the pipe groove, and the heat-conducting mounting plate presses the evaporation part to the control plate.

Further, a surface of the evaporation portion facing the control plate is configured to be flat.

Furthermore, one side surface of control panel is equipped with electronic components, the heat conduction mounting panel install in the surface that is equipped with electronic components of control panel, the heat conduction mounting panel will evaporation portion compress tightly in electronic components.

According to some embodiments of the present invention, the outdoor unit of an air conditioner further comprises: 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.

According to some embodiments of the utility model, the wind channel apron has air inlet end and air-out end, the air-out end of wind channel apron is constructed with the flaring portion, condensation portion and the fin on it are located in the flaring portion.

According to some embodiments of the present invention, the outdoor unit of an air conditioner further comprises: 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.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

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

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

Fig. 2 is a schematic structural view 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.

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

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

Fig. 5 is a schematic structural view of a heat-conducting mounting plate and a control plate of an outdoor unit of an air conditioner according to an embodiment of the present invention.

Fig. 6 is an assembly view of a heat-conducting mounting plate and a control plate of an outdoor unit of an air conditioner according to an embodiment of the present invention.

Reference numerals:

an outdoor unit of an air conditioner 1,

A casing 100, a first chamber 101, a second chamber 102, a heat exchanger 103, a compressor 104,

A control board 200, an electronic component 210,

An air duct cover plate 300, a heat dissipation air duct 301, an expanding part 302,

Heat pipe 400, evaporation part 410, condensation part 420, plane 401,

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

An air guide device 600,

A heat-conducting mounting plate 700, a pipe groove 710,

An electric control box 800,

An air inlet nozzle 900 and an air inlet 910.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length," "width," "thickness," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in the orientation or positional relationship indicated in the drawings for convenience and simplicity of description, and are not intended to indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.

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

An air conditioner outdoor unit 1 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1 to 6, an outdoor unit 1 of an air conditioner according to an embodiment of the present invention includes a casing 100, a control panel 200, an air duct cover plate 300, a heat pipe 400, fins 500, and an air guide device 600.

The control board 200 is provided in the housing 100. An air duct cover 300 is disposed in the housing 100, and the air duct cover 300 defines a heat dissipation air duct 301 in the housing 100. The heat pipe 400 has an evaporation portion 410 and a condensation portion 420, the evaporation portion 410 is in contact with the control board 200 for heat conduction, and the condensation portion 420 is disposed in the heat dissipation air duct 301. The fins 500 are disposed in the condensing portion 420 of the heat pipe 400 and located in the heat dissipation air duct 301, and the fins 500 are provided with heat dissipation windows 510. The air guide device 600 is installed in the casing 100, for example, the air guide device 600 is a fan, and here, it is understood that the air guide device 600 may be an original fan of the outdoor unit of the air conditioner, or may be an additional fan.

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

The heat generated by the control board 200 is conducted to the heat pipe 400, the medium in the heat pipe 400 absorbs the heat and then vaporizes to form the evaporation part 410, the vapor flows to the rest part of the heat pipe 400 under a slight pressure difference, cold air with a lower temperature is introduced through the heat dissipation air duct 301 under the action of negative pressure generated by the air guide device 600, the vapor and the cold air release heat to liquefy after exchanging, and the heat is condensed into liquid again to form the condensation part 420, and the liquefied liquid flows back to the evaporation part 410 through a porous material (a liquid absorption core) by the action of capillary force. The heat is transferred from the evaporation part 410 of the heat pipe 400 to the condensation part 420 by the reciprocating circulation, and the heat of the control board 200 is continuously conducted, thereby achieving the purpose of cooling the control board 200.

According to the utility model discloses air condensing units 1 is through setting up heat pipe 400 and wind channel apron 300 to utilize heat pipe 400 and external cold wind to last the heat dissipation to control panel 200, not only the radiating effect is good, can reliably control by temperature change control panel 200, compares the radiating mode of refrigerant among the correlation technique moreover, and structure and control logic are simple, can effective reduce cost. In addition, the heat pipe 400 is a closed loop circulation system, which is not controlled by the air conditioning and refrigeration system, and forms an independent closed loop circulation system.

Moreover, the condensing portion 420 of the heat pipe 400 is provided with the fins 500, and the fins 500 are located in the heat dissipation air duct 301, so that the heat dissipation effect of the condensing portion 420 can be improved by using the fins 500, and the fins 500 are further provided with the heat dissipation windows 510, thereby not only improving the flow speed of the air flow on the surface of the fins 500, but also increasing the heat exchange area between the fins 500 and the air flow, and further improving the heat dissipation efficiency.

Therefore, according to the utility model discloses air condensing units 1 has that the radiating effect is good, advantage such as with low costs.

It can be understood by those skilled in the art that the outdoor unit 1 of the present invention further includes a heat exchanger 103, a compressor 104, and other components, which are not described herein again.

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 therein, the heat exchanger 103 spans the first chamber 101 and the second chamber 102, the air guide device 600 is disposed in the first chamber 101, the compressor 104, the control plate 200, the duct cover 300, the heat pipe 400, and the fin 500 are disposed in the second chamber 102, and these components, i.e., the control plate 200, the duct cover 300, the heat pipe 400, and the fin 500, may be located above the compressor 104.

In some specific examples of the utility model, as shown in fig. 4, fin 500 is equipped with a plurality of heat dissipation windows 510, and every heat dissipation window 510 extends along the length direction of fin 500, and a plurality of heat dissipation windows 510 are arranged into the multiunit on fin 500, and multiunit heat dissipation window 510 is respectively along the length direction and the width direction array distribution of fin 500 to further improve the velocity of flow of fin 500 surface air current and the heat transfer area of fin 500 and air current, with further improvement radiating effect.

Further, the fins 500 are multiple, each fin 500 is provided with a flanging hole 520, the heat pipe 400 penetrates through the flanging holes 520 of the fins 500, the fins 500 are fixed to the condensation portion 420, the heat dissipation effect is improved by the fins 500, the fins 500 are arranged at intervals along the length direction of the heat pipe 400, the distance between every two adjacent fins 500 is limited by the flanging holes 520, and the stability of the relative positions of the fins 500 is guaranteed.

In order to facilitate heat dissipation and improve heat dissipation efficiency, the distance between adjacent fins 500 is 0.5mm to 10 mm.

In some embodiments of the present invention, as shown in fig. 4 to 6, the outdoor unit 1 further includes a heat-conducting mounting plate 700, the heat-conducting mounting plate 700 is mounted on the control board 200, the heat-conducting mounting plate 700 is configured with a pipe groove 710, the evaporation portion 410 is fitted in the pipe groove 710, and the heat-conducting mounting plate 700 compresses the evaporation portion 410 to the control board 200. The heat-conducting mounting plate 700 may be an aluminum alloy plate, and the pipe groove 710 may be formed through an extrusion process.

Through setting up heat conduction mounting panel 700, not only can fix the evaporation site 410 of heat pipe 400, make evaporation site 410 and the reliable laminating of control panel 200, heat conduction mounting panel 700 has the heat conductivity moreover, and the surface area that like this can make full use of evaporation site 410 conducts the heat of control panel 200 to evaporation site 410's circumference everywhere, and then improves heat-conducting efficiency.

Specifically, one side surface of the control board 200 is provided with the electronic component 210, including but not limited to IPM (intelligent power module), IGBT (insulated gate bipolar transistor), diode, silicon bridge, etc., the heat conduction mounting plate 700 is installed on the surface of the control board 200 where the electronic component 210 is provided, the heat conduction mounting plate 700 compresses the evaporation portion 410 against the electronic component 210, heat conduction silica gel can be coated between the electronic component 210 and the evaporation portion 410, and heat generated by the electronic component 210 can be timely conducted to the evaporation portion 410.

Further, as shown in fig. 4, the surface of the evaporation portion 410 facing the control plate 200 is configured as a plane 401, so that the adhesion degree of the evaporation portion 410 and the electronic component 210 is ensured, and the heat exchange area is increased. The surface of the evaporation portion 410 facing away from the control plate 200 may be configured as an arc-shaped surface that fits the tube groove 710.

In some specific examples of the present invention, as shown in fig. 1-3, the outdoor unit 1 further includes an electric control box 800, the electric control box 800 is disposed in the casing 100, for example, the electric control box 800 is disposed above the compressor 104 in the second chamber 102, the control board 200 is mounted in the electric control box 800, so as to protect the control board 200 by using the electric control box 800, the air duct cover plate 300 is mounted in the electric control box 800, the air duct cover plate 300 and the control board 200 jointly define the heat dissipation air duct 301, so the electric control box 800 provides a mounting carrier for the air duct cover plate 300, and a side surface of the control board 200, on which the electronic component 210 is not disposed, is located in the heat dissipation air duct 301, thereby further improving the heat.

In some embodiments of the present invention, as shown in fig. 2 and fig. 3, the air duct cover plate 300 has an air inlet end and an air outlet end, the air outlet end of the air duct cover plate 300 is configured with an expanded portion 302, the cross-sectional area of the heat dissipation air duct 301 where the expanded portion 302 is located is larger than the cross-sectional area of the rest of the heat dissipation air duct 301, the condensation portion 420 and the fins 500 thereon are located in the expanded portion 302, thereby providing a larger accommodating space for the condensation portion 420 and the fins 500 on the one hand, and improving the heat exchange efficiency of the air flow and the condensation portion 420 and the fins 500 on the other hand.

In some specific examples of the present invention, as shown in fig. 1 to fig. 3, the outdoor unit 1 further includes an air inlet nozzle 900, the air inlet nozzle 900 is installed on the air duct cover plate 300, the air inlet nozzle 900 is respectively communicated with the outside of the heat dissipation air duct 301 and the casing 100, the air inlet nozzle 900 is configured with an air inlet 910, the cross-sectional area of the air inlet 910 is gradually reduced along the direction from the outside of the heat dissipation air duct 301 to the outside of the casing 100, so that the air inlet can be smoother and the air inlet amount can be increased.

It can be understood by those skilled in the art that the air outlet of the outdoor unit 1 may utilize the original air outlet of the casing 100, or may additionally provide a separate air outlet.

The following describes, by way of example, an assembly process of the heat radiating portion of the outdoor unit 1 of the air conditioner according to an embodiment of the present invention.

The heat pipe 400 is first pressed into the pipe groove 710 of the heat conductive mounting plate 700 by an extrusion process, and then is subjected to a flyaway treatment to increase the contact area of the heat pipe 400. Fins 500 are then strung up and tightened to ensure good contact. The heat conducting mounting plate 700 is then mounted to the control board 200 by screws, and the assembled components are placed inside the electrical control box 800 and fixed by screws after being mounted in place. Finally, the air duct cover plate 300 is covered and fixed at the corresponding position, and then the air inlet nozzle 900 is fixed.

Other configurations and operations of the outdoor unit 1 according to the embodiment of the present invention are known to those skilled in the art and will not be described in detail herein.

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

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

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 heat pipe is provided with an evaporation part and a condensation part, the evaporation part is in contact with the control board for heat conduction, and the condensation part is arranged in the heat dissipation air duct;

the fins are arranged at the condensation part of the heat pipe and positioned in the heat dissipation air duct, and heat dissipation windows are formed in the fins;

and the air guide device is arranged in the shell.

2. The outdoor unit of claim 1, wherein the fin has a plurality of the heat dissipation windows, each of the heat dissipation windows extends along a length direction of the fin, the plurality of the heat dissipation windows are arranged in a plurality of groups on the fin, and the plurality of groups of the heat dissipation windows are arranged in an array along the length direction and the width direction of the fin, respectively.

3. The outdoor unit of claim 1, wherein the plurality of fins are provided, each of the fins has a burring hole, the heat pipe is inserted into the burring holes of the plurality of fins, and the plurality of fins are spaced apart from each other along a length direction of the heat pipe.

4. The outdoor unit of claim 3, wherein a distance between adjacent fins is 0.5mm to 10 mm.

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

a heat conducting mounting plate mounted to the control panel and configured with a pipe groove, the evaporation portion fitted in the pipe groove and the heat conducting mounting plate compressing the evaporation portion to the control panel.

6. The outdoor unit of claim 5, wherein a surface of the evaporation unit facing the control panel is configured to be flat.

7. The outdoor unit of claim 5, wherein the control panel has electronic components on one surface thereof, 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 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 1, 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 condensing portion and the fins thereon 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.