CN212108752U - Outdoor machine of air conditioner - 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

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 device 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 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.

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

Further, the first evaporation part is located in the middle of the first heat pipe in the length direction, and the first condensation part is located at two end parts of the first heat pipe in the length direction; 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.

Further, the outdoor unit of an air conditioner further includes: the fins are arranged on the first condensation part and the second condensation part and are positioned in the heat dissipation air duct.

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

Further, a surface of the first evaporation portion facing the control plate and a surface of the second evaporation portion facing the control plate are each configured to be flat.

Further, a side surface of the control panel is provided with an electronic component, the heat conduction mounting plate is mounted on the surface of the control panel, where the electronic component is arranged, and the heat conduction mounting plate compresses the first evaporation part and the second evaporation part against the electronic component.

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 specific examples 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 flared portion, first condensation portion with second condensation portion all is located in the flared 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,

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

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

An air guide device 600,

A heat-conducting mounting plate 700, a U-shaped pipe groove 710, an L-shaped pipe groove 720,

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 300, a first heat pipe 410, 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 first heat pipe 410 has a first evaporation portion 411 and a first condensation portion 412, the first evaporation portion 411 is formed in a U shape, the first evaporation portion 411 and the control board 200 are in contact with each other to conduct heat, that is, the portion of the first heat pipe 410 in contact with the control board 200 to conduct heat is U-shaped, and the first condensation portion 412 is disposed in the heat dissipation air duct 301. 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 first heat pipe 410, the medium inside the first heat pipe 410 absorbs the heat and then vaporizes to form the first evaporation portion 411, the vapor flows to the rest of the first heat pipe 410 under a slight pressure difference, the cold air with a lower temperature is introduced under the action of negative pressure generated by the air guide device 600 through the heat dissipation air duct 301, the vapor and the cold air exchange and release heat to be liquefied, the heat is condensed into liquid again to form the first condensation portion 412, and the liquefied liquid flows back to the first evaporation portion 411 through the porous material (wick) under the action of capillary force. By such a reciprocating cycle, the heat is transferred from the first evaporation part 411 of the first heat pipe 410 to the first condensation part 412, and the heat of the control board 200 is continuously transferred, so as to achieve the purpose of cooling the control board 200.

According to the utility model discloses air condensing units 1 is through setting up first heat pipe 410 and wind channel apron 300 to utilize first heat pipe 410 and external cold wind to last the heat dissipation to control panel 200, not only the radiating effect is good, can reliably control the temperature to control panel 200, compares the radiating mode of cold medium among the correlation technique moreover, and structure and control logic are simple, can effective reduce cost. In addition, the first heat pipe 410 is a closed loop circulation system, which is not controlled by the air conditioning and cooling system, and forms an independent closed loop circulation system.

And, the first evaporation part 411 of the first heat pipe 410 is configured in a U shape, and heat is conducted by the contact of the U-shaped first evaporation part 411 and the control board 200, whereby the heat conduction area can be increased, and the heat radiation efficiency to the control board 200 is further improved.

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 first heat pipe 410, and the fin 500 are disposed in the second chamber 102, and these components of the control plate 200, the duct cover 300, the first heat pipe 410, and the fin 500 may be located above the compressor 104.

In some embodiments of the present invention, as shown in fig. 3-6, the outdoor unit 1 further includes a second heat pipe 420, the second heat pipe 420 has a second evaporation portion 421 and a second condensation portion 422, the second evaporation portion 421 is configured to be L-shaped and is in contact with the control board 200 for heat conduction, and the second condensation portion 422 is disposed in the heat dissipation air duct 301. Therefore, the first heat pipe 410 and the second heat pipe 420 can be used for simultaneously dissipating heat of the control board 200 to improve the heat dissipation effect, the first evaporation part 411 of the first heat pipe 410 is configured to be U-shaped, the heat conduction area with the control board 200 is large, the first evaporation part can be arranged at a position on the control board 200 with a relatively large space, and the second evaporation part 421 of the second heat pipe 420 is configured to be L-shaped, the second evaporation part can be arranged at a position on the control board 200 with a relatively small space, so that the control board 200 can be fully dissipated heat.

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

Specifically, as shown in fig. 4, the first evaporation portion 411 is located at the middle of the first heat pipe 410 in the longitudinal direction, and the first condensation portion 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 of the second heat pipe 420 in the longitudinal direction, and the second condensation portion 422 is located at the other end portion of the second heat pipe 420 in the longitudinal direction. Accordingly, the first heat pipe 410 and the second heat pipe 420 radiate heat efficiently by making full use of their high conductivity and structure at different positions of the control board 200.

In some embodiments of the present invention, as shown in fig. 3-6, the outdoor unit 1 further includes at least one fin 500, and the fin 500 is disposed in the first condensing portion 412 and the second condensing portion 422 and located in the heat dissipation air duct 301. For the first heat pipe 410, both ends of the first heat pipe 410 are the first condensation portions 412, the first condensation portions 412 at both ends and the second condensation portions 422 of the second heat pipe 420 are installed on the same fin 500, the fin 500 can be a plurality of fins arranged at intervals along the length direction of the first condensation portions 412 and the second condensation portions 422, each fin 500 is provided with a flanging hole 520, the first heat pipe 410 and the second heat pipe 420 penetrate through the flanging holes 520 of the fins 500, so that the fins 500 are fixed, the fins 500 are arranged at intervals along the length direction of the first heat pipe 410 and the second heat pipe 420, the distance between the adjacent fins 500 is defined by the flanging holes 520, and the stability of the relative positions of the fins 500 is ensured. The plurality of fins 500 are arranged in a set, and the heat radiation effect to the first and second condensation portions 412 and 422 can be improved by using the set of fins 500.

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 U-shaped pipe groove 710 and an L-shaped pipe groove 720, the first evaporation portion 411 is fitted in the U-shaped pipe groove 710, the second evaporation portion 421 is fitted in the L-shaped pipe groove 720, and the heat-conducting mounting plate 700 compresses the first evaporation portion 411 and the second evaporation portion 421 against the control board 200. The heat-conducting mounting plate 700 may be an aluminum alloy plate, and the U-shaped pipe groove 710 and the L-shaped pipe groove 720 may be formed through an extrusion process.

Through setting up heat conduction mounting panel 700, not only can fix first evaporation portion 411 and second evaporation portion 421, make first evaporation portion 411 and second evaporation portion 421 reliably laminate with control panel 200, heat conduction mounting panel 700 has the heat conductivity moreover, can make full use of the surface area of first evaporation portion 411 and second evaporation portion 421 like this, the heat with control panel 200 fully conducts to first evaporation portion 411 and second evaporation portion 421 circumference everywhere, and then improves heat-conducting efficiency.

Specifically, one side surface of control panel 200 is equipped with electronic component 210, including but not limited to IPM (intelligent power module), IGBT (insulated gate bipolar transistor), diode, silicon bridge etc., heat conduction mounting panel 700 is installed in the surface that is equipped with electronic component 210 of control panel 200, heat conduction mounting panel 700 compresses tightly first evaporation portion 411 and second evaporation portion 421 in electronic component 210, can scribble heat conduction silica gel between electronic component 210 and the first evaporation portion 411 and between electronic component 210 and the second evaporation portion 421, the heat that electronic component 210 produced can in time be conducted to first evaporation portion 411 and second evaporation portion 421.

Further, as shown in fig. 4, a surface of the first evaporation portion 411 facing the control plate 200 and a surface of the second evaporation portion 421 facing the control plate 200 are configured as a plane 401, so that a degree of adhesion of the first evaporation portion 411 and the second evaporation portion 421 to the electronic component 210 is ensured, and a heat exchange area is increased. The surface of the first evaporation part 411 facing away from the control plate 200 and the surface of the second evaporation part 421 facing away from the control plate 200 may be configured as arc-shaped surfaces that are fitted with the pipe grooves 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 greater than the cross-sectional area of the rest of the heat dissipation air duct 301, the first condensation portion 412, the second condensation portion 422 and the fin 500 are located in the expanded portion 302, thereby providing a larger accommodating space for the first condensation portion 412, the second condensation portion 422 and the fin 500 on the one hand, and improving the heat exchange efficiency of the airflow and the first condensation portion 412, the second condensation portion 422 and the fin 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 first heat pipe 410 and the second heat pipe 420 are first pressed into the U-shaped pipe groove 710 and the L-shaped pipe groove 720 of the heat conducting mounting plate 700 by an extrusion process, respectively, and then are subjected to a flying surface treatment to increase the contact area between the first heat pipe 410 and the second heat pipe 420. 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 (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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