CN215295169U

CN215295169U - Outdoor unit of air conditioner

Info

Publication number: CN215295169U
Application number: CN202121393763.9U
Authority: CN
Inventors: 陈殿顺; 李锡东; 梁勇华
Original assignee: Hisense Guangdong Air Conditioning Co Ltd
Current assignee: Hisense Guangdong Air Conditioning Co Ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-24
Anticipated expiration: 2031-06-22

Abstract

The utility model relates to an air conditioning technology field discloses an air condensing units, include: a base; the heat exchanger is cylindrical, the upper end and the lower end of the heat exchanger are both open, the base is arranged at the lower end of the heat exchanger to plug the lower end of the heat exchanger, and an open hole is formed in the circumferential direction of the heat exchanger; the top cover is covered above the heat exchanger and is provided with a heat dissipation port; the side edge of the side plate is connected with the heat exchanger so as to seal the open hole; the side plate and the heat exchanger form a cavity; the fan is arranged in the cavity and used for exhausting air in the cavity through the heat dissipation port; the electric control box is arranged on the side plate and is provided with an installation cavity, an air inlet and an air outlet which are communicated with the installation cavity, the installation cavity is communicated with the outside through the air inlet, and the installation cavity is communicated with the accommodating cavity through the air outlet; and the circuit board is arranged in the mounting cavity. The utility model discloses utilize external cold air to dispel the heat to the circuit board, improved the radiating effect.

Description

Outdoor unit of air conditioner

Technical Field

The utility model relates to an air conditioning technology field especially relates to an air condensing units.

Background

In the prior art, in order to protect a circuit board of an outdoor unit of an air conditioner from being wetted by rainwater, the circuit board is generally arranged in an electric control box to achieve the purpose of waterproofing. However, in the operation process of the outdoor unit, the circuit board generates heat, and therefore, the circuit board needs to be subjected to heat dissipation treatment. However, the existing heat dissipation structure for the circuit board is complex, has a general heat dissipation effect, and is easy to trigger the temperature control protection system of the circuit board of the outdoor unit, resulting in the stop of the outdoor unit.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the heat dissipation problem of air condensing units's circuit board, the utility model provides an air condensing units, include:

a base;

the heat exchanger is cylindrical, the upper end and the lower end of the heat exchanger are both open, the base is arranged at the lower end of the heat exchanger to plug the lower end of the heat exchanger, and an open hole is formed in the circumferential direction of the heat exchanger;

the top cover is covered above the heat exchanger and provided with a heat dissipation port;

the side plate is connected with the heat exchanger at the side edge so as to seal the open opening; the side plate and the heat exchanger form a cavity;

the fan is arranged in the cavity and used for exhausting air in the cavity through the heat dissipation port;

the electric control box is arranged on the side plate and is provided with an installation cavity, an air inlet and an air outlet which are communicated with the installation cavity, the installation cavity is communicated with the outside through the air inlet, and the installation cavity is communicated with the accommodating cavity through the air outlet; and

a circuit board mounted in the mounting cavity.

In some embodiments, the air inlet is located below the circuit board and the air outlet is located above the circuit board.

In some embodiments, a drainage portion extending into the accommodating cavity is formed on a side wall of the electronic control box, the drainage portion is provided with an air duct, an air inlet end of the air duct is communicated with the air outlet, and an air outlet end of the air duct is communicated with the accommodating cavity.

In some embodiments, the air outlet end of the air duct is located below the fan.

In some embodiments, the air duct extends obliquely downward in a direction from the air inlet end of the air duct to the air outlet end of the air duct. In some embodiments, an escape recess is formed on a side of the drain portion facing the fan.

In some embodiments, the electronic control box comprises:

the air inlet is positioned at the lower part of the left box body and communicated with the first mounting groove; and

the air outlet is positioned at the upper part of the right box body and communicated with the second mounting groove;

wherein, left side box body with right side box body is connected, just first mounting groove with the concatenation of second mounting groove forms the installation cavity.

In some embodiments, a handle groove is formed at the upper part of one side of the left box body, which faces away from the first mounting groove, and a heat sink is arranged at the position of the circuit board, which is opposite to the handle groove;

and the lower part of the left box body is provided with a first wire hole communicated with the first mounting groove.

In some embodiments, the upper part of the right box body is provided with a second wire hole communicated with the second mounting groove;

and the right box body extends outwards along the lower side edge of the second mounting groove to form a water baffle plate, and a flanging is formed on the bottom side of the water baffle plate.

In some embodiments, the circuit board comprises:

a base plate;

the two ends of the connecting plate are respectively connected to the bottom plate, and the middle of the connecting plate arches outwards in the direction far away from the surface of the bottom plate; and

and the wiring terminal is arranged in the middle of one side of the fixed plate back to the surface of the bottom plate.

Compared with the prior art, the utility model, an air condensing units, its beneficial effect lies in:

the utility model discloses a be provided with air intake and air outlet on the automatically controlled box, the installation cavity passes through air intake and external intercommunication, the installation cavity passes through the appearance chamber of air outlet intercommunication shell, form the negative pressure in holding the chamber through the fan to make external cold air dispel the heat to the circuit board after inhaling from the air intake, the hot-air of formation gets into from the air outlet and holds the chamber after and discharge through the thermovent, the contact of cold air and circuit board is abundant and the radiating efficiency good, and the radiating effect is improved, has guaranteed air condensing units's normal operating.

Drawings

Fig. 1 is a schematic structural view of an outdoor air conditioner according to some embodiments of the present invention;

FIG. 2 is a schematic diagram of FIG. 1, taken apart;

FIG. 3 is a cross-sectional view of FIG. 1;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a top view of FIG. 1;

fig. 6 is a schematic diagram of the right case and the circuit board according to some embodiments of the present invention;

fig. 7 is another schematic structural view of the right case and the circuit board according to some embodiments of the present invention;

fig. 8 is a schematic structural view of a side panel of some embodiments of the present invention;

fig. 9 is a schematic structural view of a left box according to some embodiments of the present invention;

fig. 10 is another schematic structural view of a left cassette body according to some embodiments of the present invention;

FIG. 11 is a schematic view of the structure of FIG. 9 from another perspective;

fig. 12 is a schematic structural view of a right cassette body according to some embodiments of the present invention;

FIG. 13 is a schematic view of the structure of FIG. 12 from another perspective;

in the figure, the position of the upper end of the main shaft,

1. a base;

2. a heat exchanger; 21. an opening is formed;

3. a top cover; 31. a heat dissipation port;

4. a side plate; 41. a notch;

5. a fan;

6. an electronic control box; 61. a left box body; 611. an air inlet; 612. a first mounting groove; 612a, a first wire hole; 613. a handle groove; 62. a right box body; 621. an air outlet; 622. a second mounting groove; 622a, second wire hole; 623. a drainage part; 623a, an air duct; 623b, avoiding the concave part; 624. a water baffle; 625. flanging; 626. a hook; 63. a mounting cavity;

7. a circuit board; 71. a base plate; 72. a connecting plate; 73. a wiring terminal;

8. a housing;

9. a heat sink;

10. and a cavity.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The utility model discloses well air conditioner carries out the refrigeration cycle of air conditioner through using compressor, condenser, expansion valve and evaporimeter. The refrigeration cycle includes a series of processes involving compression, condensation, expansion, and evaporation, and supplies refrigerant to the air that has been conditioned and heat-exchanged.

The compressor compresses a refrigerant gas in a high-temperature and high-pressure state and discharges the compressed refrigerant gas. The discharged refrigerant gas flows into the condenser. The condenser condenses the compressed refrigerant into a liquid phase, and heat is released to the surrounding environment through the condensation process.

The expansion valve expands the liquid-phase refrigerant in a high-temperature and high-pressure state condensed in the condenser into a low-pressure liquid-phase refrigerant. The evaporator evaporates the refrigerant expanded in the expansion valve and returns the refrigerant gas in a low-temperature and low-pressure state to the compressor. The evaporator can achieve a cooling effect by heat-exchanging with a material to be cooled using latent heat of evaporation of a refrigerant. The air conditioner can adjust the temperature of the indoor space throughout the cycle.

The outdoor unit of the air conditioner refers to a portion of a refrigeration cycle including a compressor and an outdoor heat exchanger, the indoor unit of the air conditioner includes an indoor heat exchanger, and an expansion valve may be provided in the indoor unit or the outdoor unit.

The indoor heat exchanger and the outdoor heat exchanger serve as a condenser or an evaporator. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in a heating mode, and when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in a cooling mode.

Referring to fig. 1-5, fig. 1 is a schematic structural diagram of an outdoor air conditioner according to some embodiments of the present invention; fig. 2 is a schematic, exploded view of an outdoor air conditioner according to some embodiments of the present invention; fig. 3 is a cross-sectional view of an outdoor air conditioner according to some embodiments of the present invention; FIG. 4 is an enlarged view of portion A of FIG. 3; fig. 5 is a top view of an outdoor air conditioner according to some embodiments of the present invention.

The embodiment of the utility model provides an air conditioner outdoor unit, which comprises a base 1, a heat exchanger 2, a top cover 3, a side plate 4, a fan 5, an electric control box 6 and a circuit board 7; the heat exchanger 2 is cylindrical, the upper end and the lower end of the heat exchanger 2 are both open, the base 1 is arranged at the lower end of the heat exchanger 2 to plug the lower end of the heat exchanger 2, and an open hole 21 is formed in the circumferential direction of the heat exchanger 2; the top cover 3 is covered above the heat exchanger 2, and the top cover 3 is provided with a heat dissipation port 31; the side edge of the side plate 4 is connected with the heat exchanger 2 to seal the open opening 21; the side plate 4 and the heat exchanger 2 form a cavity 10; the shell is provided with a cavity 10 and a heat dissipation port 31 communicated with the cavity 10; the fan 5 is arranged in the cavity 10 and used for exhausting air in the cavity 10 through the heat dissipation port 31; the electric control box 6 is arranged on the side plate 4, the electric control box 6 is provided with an installation cavity 63, an air inlet 611 and an air outlet 621 which are communicated with the installation cavity 63, the installation cavity 63 is communicated with the outside through the air inlet 611, and the installation cavity 63 is communicated with the accommodating cavity 10 through the air outlet 621; the circuit board 7 is mounted in the mounting cavity 63.

In some embodiments of the present invention, please refer to fig. 1-3 and 8, in order to enable the electric control box 6 to be installed on the side plate 4 and then to enable the installation cavity 63 to communicate with the accommodating cavity 10 through the air outlet 621, the side plate 4 is provided with a notch 41, the electric control box 6 is connected in the notch 41, so that a portion of the electric control box 6 having the air outlet 621 passes through the notch 41 and then is disposed on the inner side of the side plate 4, and a portion of the electric control box 6 having the air inlet 611 passes through the notch 41 and then is disposed on the outer side of the side plate 4.

In some embodiments of the present invention, please refer to fig. 1-3, in order to protect the heat exchanger 2 from being damaged, the outdoor unit of the air conditioner of the present invention further includes a casing 8 surrounding the circumferential side wall of the heat exchanger 2, the lower end of the casing 8 is fixedly connected to the base 1, and the upper end of the casing 8 is detachably connected to the top cover 3 through a screw joint or a clamping joint, so as to form a protection space for the heat exchanger 2. The housing 8 is of tubular design, adapted to the shape of the heat exchanger 2.

In some embodiments of the present invention, please refer to fig. 3 and 5, the fan 5 is disposed in the container and near the heat dissipation opening 31, so that the inside of the chamber 10 forms a negative pressure state through the rotation of the fan 5, and the air in the chamber 10 is discharged through the heat dissipation opening 31. In some embodiments, the fan 5 may be an axial flow fan 5, and the axial direction of the axial flow fan 5 is the same as the axial direction of the heat dissipation port 31. In other embodiments, the fan 5 may be a centrifugal fan 5, and the radial direction of the centrifugal fan 5 is the same as the axial direction of the heat dissipation port 31.

In some embodiments of the present invention, referring to fig. 2-3 and 5, the electrical control box 6 includes a left box body 61 and a right box body 62; a first mounting groove 612 is formed in one side of the left box body 61, and the air inlet 611 is located at the lower portion of the left box body 61 and is communicated with the first mounting groove 612; a second mounting groove 622 is formed in one side of the right box body 62, and the air outlet 621 is located at the upper portion of the right box body 62 and is communicated with the second mounting groove 622; wherein, left box body 61 is connected in order to form automatically controlled box 6 with right box body 62, and first mounting groove 612 forms installation cavity 63 with the concatenation of second mounting groove 622. It can be understood that, when the circuit board 7 is installed in the installation cavity 63, the air inlet 611 is located below the circuit board 7, and the air outlet 621 is located above the circuit board 7, so that the air inlet 611 sucks in the cold air with relatively high density and cools and dissipates heat to the circuit board 7, the formed hot air rises and enters the cavity 10 from the air outlet 621 and then is discharged through the heat dissipation port 31, so as to form a circulating air-cooled heat dissipation channel, and improve the heat dissipation effect to the circuit board 7. Accordingly, the right case 62 is provided inside the side plate 4 through the notch 41.

In some embodiments, referring to fig. 9, the air inlet 611 is located at the bottom side of the lower portion of the left box 61; in other embodiments, referring to fig. 10, the air inlet 611 is located at the lower side of the left box 61.

In some embodiments of the present invention, the air inlet 611 is provided with a louver, and the louver is used to prevent insects or other sundries from being sucked into the electric control box 6.

In some embodiments, referring to fig. 9 and 10, a handle slot 613 is formed in an upper portion of a side of the left box body 61 facing away from the first mounting slot 612, and the handle slot 613 is used for facilitating the transportation and installation of an installer to the air conditioner outdoor unit; the lower portion of the left box 61 is opened with a first wire hole 612a communicating with the first mounting groove 612, and the compressor power line passes through the first wire hole 612a to be electrically connected to the circuit board 7.

In some embodiments, referring to fig. 3 and 4, a flow guiding portion 623 is formed at an upper portion of a side of the right box 62 opposite to the second mounting groove 622, the flow guiding portion 623 has an air duct 623a, an air inlet end of the air duct 623a is communicated with the air outlet 621, and an air outlet end of the air duct 623a is communicated with the cavity 10. The flow guide portion 623 extends into the accommodating cavity 10 and is used for guiding the hot air sent out from the air outlet 621 to the accommodating cavity 10 and then quickly discharging the hot air from the heat dissipation port 31, so that the heat dissipation efficiency is improved.

In some embodiments of the present invention, please refer to fig. 3 and 4, in order to increase the heat discharging efficiency of the circuit board 7, the air outlet end of the air duct 623a is located below the fan 5. In addition, in order to prevent the fan blades of the fan 5 and the flow guide portion 623 from interfering with each other in the cavity 10, an avoiding concave portion 623b is formed on one side of the flow guide portion 623 facing the fan 5, for example, the avoiding concave portion 623b is in an arc groove shape.

In some embodiments of the present invention, referring to fig. 4, the air duct 623a extends obliquely downward along the direction from the air inlet end of the air duct 623a to the air outlet end of the air duct 623 a.

In some embodiments, referring to fig. 12 and 13, the upper portion of the right box 62 is opened with a second wire hole 622a communicating with the second mounting groove 622, and the power line of the fan 5 passes through the second wire hole 622a to be electrically connected to the circuit board 7. A water baffle 624 extends outwards from the right box body 62 along the lower edge of the second mounting groove 622, and the water baffle 624 is used for blocking rainwater from entering the mounting cavity 63 from the first wire hole 612 a; a flange 625 is formed on the underside of the splash plate 624, the flange 625 serving to prevent water from the interior of the housing from entering the mounting cavity 63.

In some embodiments, referring to fig. 12, the right box 62 is provided with a plurality of hooks 626 along the opening edge of the second mounting groove 622, the plurality of hooks 626 can be uniformly or non-uniformly arranged on the opening edge of the second mounting groove 622, and the hooks 626 are used for fixing the wires, thereby improving the wiring aesthetics of the outdoor unit of the air conditioner.

In some embodiments, referring to fig. 6, the circuit board 7 includes a bottom plate 71, a connection plate 72 and a connection terminal 73; the bottom plate 71 is screwed in the second mounting groove 622; the two ends of the connecting plate 72 are respectively connected to the bottom plate 71, and the middle part of the connecting plate 72 is arched outwards in the direction away from the surface of the bottom plate 71; the terminal 73 is disposed in the middle of the side of the fixing plate opposite to the surface of the bottom plate 71, so as to increase the heat dissipation area of the cold air to the terminal 73 and improve the heat dissipation effect. In some other embodiments, referring to fig. 7, the circuit board 7 includes a bottom plate 71 and connection terminals 73; the connection terminal 73 is provided on the bottom plate 71.

In some embodiments of the present invention, please refer to fig. 2-7, a heat sink 9 for improving heat dissipation efficiency is disposed on the circuit board 7, and the heat sink 9 is, for example, a finned heat sink 9. The heat sink 9 is located at a position opposite to the position of the circuit board 7 and the handle slot 613, so that the heat of the heat sink 9 can be sufficiently taken away when cold air flows through the heat sink 9, and the heat dissipation effect is improved.

To sum up, the embodiment of the utility model provides an air condensing units, it is provided with air intake 611 and air outlet 621 through automatically controlled box 6 on, installation cavity 63 passes through air intake 611 and external intercommunication, installation cavity 63 passes through the appearance chamber 10 of air outlet 621 intercommunication shell, form the negative pressure in holding chamber 10 through fan 5, so that external cold air dispels the heat to circuit board 7 after inhaling from air intake 611, the hot-air of formation gets into from air outlet 621 and holds and discharge through thermovent 31 behind the chamber 10, cold air is abundant and the radiating efficiency good with circuit board 7's contact, the radiating effect has been improved, the normal operating of air condensing units has been guaranteed.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 base;

a circuit board mounted in the mounting cavity.

2. The outdoor unit of claim 1, wherein the air inlet is positioned below the circuit board, and the air outlet is positioned above the circuit board.

3. The outdoor unit of claim 2, wherein a flow guide portion extending into the chamber is formed on a side wall of the electric control box, the flow guide portion has an air duct, an air inlet end of the air duct communicates with the air outlet, and an air outlet end of the air duct communicates with the chamber.

4. The outdoor unit of claim 3, wherein the outlet end of the duct is positioned below the fan.

5. The outdoor unit of claim 4, wherein the air duct extends obliquely downward in a direction from the air inlet end of the air duct to the air outlet end of the air duct.

6. The outdoor unit of claim 4, wherein an escape recess is formed at a side of the drainage part facing the fan.

7. The outdoor unit of claim 2, wherein the electric control box comprises:

8. The outdoor unit of claim 7, wherein a handle groove is formed at an upper portion of a side of the left case body facing away from the first installation groove, and a heat sink is disposed at a position of the circuit board opposite to the handle groove;

9. The outdoor unit of claim 7, wherein a second wire hole communicating with the second mounting groove is formed at an upper portion of the right box body;

10. The outdoor unit of claim 1, wherein the circuit board comprises:

a base plate;