Outdoor unit of air conditioner

Abstract

The utility model provides an outdoor unit of an air conditioner, and relates to the technical field of air conditioners. The outdoor unit comprises a machine shell and an electric control box arranged in the machine shell, the machine shell comprises a side plate, and a first air inlet is formed in the side plate; the electric control box is provided with an element cavity and a heat dissipation channel, and a PCB is arranged in the element cavity; the horizontal section of the heat dissipation channel is positioned above the element cavity and is separated from the element cavity through a separation wall; the electric control box is fixedly mounted on the side plate, and the air inlet end of the horizontal section is opposite to the first air inlet; and the side plate is provided with a water retaining structure at the first air inlet. According to the outdoor unit, the water retaining structure is arranged at the first air inlet opposite to the air inlet end of the heat dissipation channel, water can be effectively prevented from entering the machine shell from the first air inlet and flowing into an element cavity of the electric control box along the inner wall face of the side plate, and the phenomenon that water enters the first air inlet, and consequently a PCB breaks down is effectively avoided; and the normal and stable work of the PCB in the element cavity and the electronic components on the PCB is further ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of air conditioners, and in particular to an outdoor unit of an air conditioner. Background Art

[0002] In order to improve the heat dissipation efficiency of the electronic control box in the outdoor unit of the air conditioner, a heat dissipation channel is added to the electronic control box, and a corresponding air inlet is set on the side panel of the casing opposite to the air inlet end of the heat dissipation channel. In this way, outside air can enter the heat dissipation channel from the air inlet and dissipate heat and cool the electronic control box in the process of flowing through the heat dissipation channel.

[0003] However, due to the setting of the air inlet, water can enter the interior of the casing from the air inlet. When the water entering the casing flows along the inner wall of the side panel into the component cavity of the electronic control box, it is easy to cause PCB board failure. Utility Model Content

[0004] The purpose of the utility model is to provide an air conditioner outdoor unit to solve the technical problem in the prior art that a heat dissipation channel is provided above the component cavity of the electric control box, but water can enter the interior of the casing from the air inlet corresponding to the air inlet end of the heat dissipation channel and cause PCB board failure.

[0005] The utility model provides an air conditioner outdoor unit, comprising a casing and an electrical control box arranged in the casing, the casing comprising a side panel, the side panel being provided with a first air inlet; the electrical control box being provided with a component cavity and a heat dissipation channel, the component cavity being provided with a PCB board; the horizontal section of the heat dissipation channel being located above the component cavity and being separated from the component cavity by a partition wall; the electrical control box being fixedly mounted on the side panel, and the air inlet end of the horizontal section being arranged opposite to the first air inlet; the side panel being provided with a water retaining structure at the first air inlet.

[0006] The air conditioner outdoor unit provided by the utility model can produce the following beneficial effects:

[0007] The air conditioner outdoor unit provided by the present invention, first, is provided with a heat dissipation channel on the electric control box, which can effectively improve the heat dissipation efficiency of the electric control box; and, since the temperature of the partition wall is relatively high due to the rising hot air in the component cavity, the horizontal section of the heat dissipation channel is provided above the component cavity, so that the component cavity can be dissipated and cooled in a timely and rapid manner, so that the PCB board in the electric control box and the electronic components thereon can operate normally and stably.

[0008] A water retaining structure is provided at the first air inlet opposite to the air inlet end of the heat dissipation channel, which can effectively prevent water from entering the interior of the casing from the first air inlet and flowing along the inner wall surface of the side panel into the component cavity of the electrical control box, effectively avoiding the phenomenon of PCB board failure caused by water entering the first air inlet, and further ensuring the normal and stable operation of the PCB board in the component cavity and the electronic components thereon.

[0009] Of course, in addition to blocking water, the water retaining structure can also prevent debris such as leaves from entering the casing.

[0010] Furthermore, the water retaining structure is a water retaining eaves, the upper end of the water retaining eaves closes the upper end of the first air inlet, the front end of the water retaining eaves closes the front end of the first air inlet, and the rear end of the water retaining eaves closes the rear end of the first air inlet; the lower end of the water retaining eaves is flush with the lower end of the first air inlet, or the lower end of the water retaining eaves is lower than the lower end of the first air inlet; a gas inlet is formed between the lower end of the water retaining eaves and the side panel.

[0011] With this technical solution, the air inlet formed between the lower end of the water retaining eave and the side panel faces downward. Due to gravity, water is less likely to move upward from the air inlet into the housing. However, water from all other directions is blocked by the water retaining eave, resulting in a very effective water-blocking effect. When the lower end of the water retaining eave is lower than the lower end of the first air inlet, the air inlet is further away from the first air inlet, making it even more difficult for water to enter the housing from the air inlet.

[0012] Optionally, the first air inlet is a louver window, and the water retaining structure includes at least one louver blade, which is horizontally connected to both ends of the first air inlet and tilted downward and outward. The louver blade can also effectively block water and debris.

[0013] Furthermore, the end of the partition wall located at the air inlet end of the heat dissipation channel extends outward to form an extension section, which overlaps the lower end of the first air inlet. Compared to the left-right positional relationship in which the partition wall contacts the inner wall surface of the side panel, this technical solution positions the extension section in a vertical positional relationship with the side panel. Even if there is a gap between the two, water is unlikely to penetrate horizontally, thereby achieving a better waterproof effect.

[0014] Furthermore, the extension section extends outward from the side plate. In this way, the extension section can directly block water from below, thereby further improving the waterproof effect.

[0015] Furthermore, the side panel is also provided with a second air inlet; the element cavity is provided with a third air inlet and a first air outlet, and the third air inlet is arranged opposite to the second air inlet; the first air outlet is opened on the front side of the partition wall, and connects the element cavity and the heat dissipation channel; the partition wall is provided with a water retaining rib, and the front channel wall of the heat dissipation channel and the water retaining rib are respectively located on the front side and the rear side of the first air outlet, and the end of the water retaining rib is located at the air inlet end of the heat dissipation channel and abuts against the inner wall surface of the side panel.

[0016] With this technical solution, in addition to entering the heat dissipation channel through the first air inlet, outside air can also enter the component cavity through the second air inlet on the side panel and the third air inlet in the component cavity, and then enter the heat dissipation channel through the first air outlet at the top of the component cavity. Air along this path can more directly dissipate heat from electronic components within the component cavity. Furthermore, neither the first air outlet nor the water retaining ribs directly face the first air inlet. Therefore, even if water enters the heat dissipation channel, it will not enter the component cavity through the first air outlet due to the blocking effect of the water retaining ribs.

[0017] Furthermore, the heat dissipation channel also includes a vertical section connected to the horizontal section, and the vertical section is located on the side of the component cavity away from the side plate; the PCB board is provided with a radiator; the cavity wall of the component cavity is provided with a avoidance opening, and the radiator extends through the avoidance opening and at least partially extends into the vertical section; the channel wall of the vertical section has a gap between it and the radiator on at least one side.

[0018] Under this technical solution, outside air enters the heat dissipation channel through the second air inlet on the side panel at the air inlet end, exchanges heat with the radiator inside the channel, and is discharged from the air outlet end of the channel. The heat exchange between the air in the heat dissipation channel and the radiator can accelerate the heat dissipation of the radiator, thereby improving the heat dissipation efficiency of the radiator for the PCB board and the electronic components on it. The gap between the vertical channel wall and the radiator effectively prevents water flowing along the channel wall from flowing into the radiator, thus protecting the radiator.

[0019] Furthermore, the top of the side plate is concave inward and forms a step, and the step has a horizontal portion; the air inlet end of the upper channel wall of the heat dissipation channel extends upward to form an upper extension section, and the upper extension section abuts against the lower wall surface of the horizontal portion.

[0020] Under this technical solution, even when there is water on the top cover or the top of the side panel of the casing and the water flows downward along the inner wall surface of the side panel, when it flows to the horizontal portion, it will drip or the flow rate will slow down. Because of the obstruction of the upper extension section, the water flow will flow downward along the side of the upper extension section away from the side panel. Therefore, this embodiment can effectively avoid the situation where the water flows downward along the inner wall surface of the side panel to the component cavity by providing the horizontal portion and the upper extension section and making the two abut each other.

[0021] Furthermore, the interior of the casing is an integrated cavity, the heat exchanger and the fan of the air conditioner outdoor unit are located on the left side of the integrated cavity, and the electric control box and the compressor of the air conditioner outdoor unit are located on the right side of the integrated cavity.

[0022] Under this technical solution, the air conditioner outdoor unit has eliminated the setting of the wind-blocking vertical plate, and the space inside the casing is not divided into two chambers. This not only reduces costs and simplifies the assembly process, but also helps to make more full use of the space inside the outdoor unit and reduce the overall size of the outdoor unit.

[0023] Furthermore, the side panel includes a left panel and a right panel, the electric control box is fixedly connected to the inner wall of the right panel, and the first air inlet is provided on the right panel. Placing the electric control box on the right panel makes it easier for right-handed operators to disassemble and install the electric control box. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0025] Figure 1 A schematic diagram of the partial structure of an air conditioner outdoor unit provided by an embodiment of the present utility model;

[0026] Figure 2 for Figure 1 A magnified schematic diagram of point A in the middle;

[0027] Figure 3 A schematic front view of the structure of the right side panel of the air conditioner outdoor unit provided by an embodiment of the present utility model;

[0028] Figure 4 for Figure 3 A magnified schematic diagram of point B in the middle;

[0029] Figure 5 A schematic structural diagram of an electric control box body of an air conditioner outdoor unit provided by an embodiment of the present utility model;

[0030] Figure 6 for Figure 5 The enlarged schematic diagram of point C in the middle;

[0031] Figure 7 A partial top-view cross-sectional schematic diagram of an air conditioner outdoor unit provided by an embodiment of the present utility model;

[0032] Figure 8 for Figure 7 Enlarged schematic diagram of point D in the middle.

[0033] Description of reference numerals:

[0034] 100-right side panel; 110-first air inlet; 120-water retaining eaves; 130-second air inlet; 140-horizontal part;

[0035] 200-electrical control box; 201-component cavity; 202-heat dissipation channel; 203-horizontal section; 204-vertical section; 205-opening;

[0036] 210 - front wall; 220 - rear wall; 230 - upper wall; 231 - upper extension section; 232 - first extension section; 233 - second extension section; 240 - partition wall; 241 - extension section; 242 - first air outlet; 243 - water retaining rib; 250 - lower wall; 260 - side wall; 261 - avoidance opening;

[0037] 270-PCB board; 280-radiator. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned objects, features and advantages of the present invention more clearly understood, the following describes in detail the specific embodiments of the present invention in conjunction with the accompanying drawings. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0039] First of all, it should be noted that in the drawings, the directions indicated by the arrows "ab" are left and right directions, the directions indicated by the arrows "cd" are front and rear directions, and the directions indicated by the arrows "ef" are up and down directions.

[0040] This embodiment provides an outdoor unit of an air conditioner, such as Figures 1 to 4As shown, the outdoor unit includes a casing and an electrical control box 200 arranged in the casing, the casing includes a side panel, and the side panel is provided with a first air inlet 110; the electrical control box 200 is provided with a component cavity 201 and a heat dissipation channel 202, and a PCB board 270 is provided in the component cavity 201; the horizontal section 203 of the heat dissipation channel 202 is located above the component cavity 201 and is separated from the component cavity 201 by a partition wall 240; the electrical control box 200 is fixedly installed on the side panel, and the air inlet end of the horizontal section 203 is arranged opposite to the first air inlet 110; the side panel is provided with a water retaining structure at the first air inlet 110.

[0041] The air conditioner outdoor unit provided in this embodiment has a heat dissipation channel 202 provided on the electric control box 200, which can effectively improve the heat dissipation efficiency of the electric control box 200. In addition, since the temperature of the partition wall 240 is relatively high due to the rising hot air in the component cavity 201, the horizontal section 203 of the heat dissipation channel 202 is provided above the component cavity 201 in this embodiment. This can more promptly and quickly dissipate heat and cool the component cavity 201, thereby ensuring normal and stable operation of the PCB board 270 and the electronic components thereon in the electric control box 200.

[0042] A water retaining structure is provided at the first air inlet 110 opposite to the air inlet end of the heat dissipation channel 202, which can effectively prevent water from entering the interior of the casing from the first air inlet 110 and flowing along the inner wall surface of the side panel to the component cavity 201 of the electrical control box 200, effectively avoiding the phenomenon of water entering the first air inlet 110 and causing PCB board 270 failure, and further ensuring the normal and stable operation of the PCB board 270 and the electronic components thereon in the component cavity 201.

[0043] Of course, in addition to blocking water, the water retaining structure can also prevent debris such as leaves from entering the casing.

[0044] Specifically, in this embodiment, Figures 1 to 4 As shown, the water retaining structure is a water retaining eave 120. The upper end of the water retaining eave 120 seals the upper end of the first air inlet 110, the front end of the water retaining eave 120 seals the front end of the first air inlet 110, and the rear end of the water retaining eave 120 seals the rear end of the first air inlet 110. The lower end of the water retaining eave 120 is flush with the lower end of the first air inlet 110, and an air inlet is formed between the lower end of the water retaining eave 120 and the side panel. In this configuration, the air inlet formed between the lower end of the water retaining eave 120 and the side panel faces downward. Due to gravity, water is not easily moved upward from the air inlet into the housing. However, water from other directions is blocked by the water retaining eave 120. Therefore, the water retaining eave 120 has a good water retaining effect. When external air enters the heat dissipation channel 202, it first enters the space enclosed by the water retaining eave 120 through the air inlet, and then enters the heat dissipation channel 202 through the first air inlet 110.

[0045] It should be noted that in other embodiments of the present application, the lower end of the water retaining eaves 120 can also be lower than the lower end of the first air inlet 110. In this configuration, the gas inlet is farther away from the first air inlet 110, so water is less likely to enter the casing from the gas inlet.

[0046] More specifically, in this embodiment, Figure 2 and Figure 4 As shown, the cross section of the water retaining eaves 120 is arc-shaped along the top-down direction. With this arrangement, the water retaining eaves 120 occupies a relatively small space, and the range of water splashing outward when flowing down the water retaining eaves 120 is relatively small. Of course, in other embodiments of the present application, the cross section of the water retaining eaves 120 can also be an oblique straight line along the top-down direction. With this arrangement, the structure of the water retaining eaves 120 is simpler.

[0047] It should be noted that in other embodiments of the present application, the water retaining structure is not limited to the water retaining eaves 120. For example, the first air inlet 110 may also be a louver window, and the water retaining structure includes at least one louver blade, which is horizontally connected to both ends of the first air inlet 110 and is tilted downward and outward. In this configuration, the louver blades can also effectively block water and debris.

[0048] Specifically, in this embodiment, Figure 2 as well as Figures 5 to 8 As shown, the end of the partition wall 240 located at the air inlet end of the heat dissipation channel 202 extends outward to form an extension section 241, which overlaps the lower end of the first air inlet 110. Compared to the left-right positional relationship in which the partition wall 240 contacts the inner wall surface of the side panel, in this embodiment, the extension section 241 and the side panel are positioned in a vertical direction. Even if there is a gap between the two, water is unlikely to penetrate horizontally, thereby improving the waterproof effect.

[0049] Preferably, in this embodiment, the extension section 241 extends outward from the side plate. In this way, the extension section 241 can directly block water from below, thereby further improving the waterproof effect.

[0050] Specifically, in this embodiment, Figure 1As shown, the side panel also has a second air inlet 130; the component chamber 201 is provided with a third air inlet and a first air outlet 242. The third air inlet is arranged opposite the second air inlet 130, and the first air outlet 242 is provided on the front side of the partition wall 240 and connects the component chamber 201 and the heat dissipation channel 202. In this arrangement, in addition to being able to enter the heat dissipation channel 202 through the first air inlet 110, outside air can also enter the component chamber 201 through the second air inlet 130 on the side panel and the third air inlet of the component chamber 201, and then enter the heat dissipation channel 202 through the first air outlet 242 at the top of the component chamber 201. The air along this path can more directly dissipate heat from the electronic components and the like within the component chamber 201.

[0051] Furthermore, the partition wall 240 is provided with a water-retaining rib 243, and the front channel wall of the heat dissipation channel 202 and the water-retaining rib 243 are respectively located on the front and rear sides of the first air outlet 242, and the end of the water-retaining rib 243 located at the air inlet end of the heat dissipation channel 202 abuts against the inner wall surface of the side panel, that is, the first air outlet 242 and the water-retaining rib 243 are not directly opposite the first air inlet 110, so even if water enters the heat dissipation channel 202, due to the blocking effect of the water-retaining rib 243, it will not enter the component cavity 201 from the first air outlet 242.

[0052] More specifically, in this embodiment, Figure 6 As shown, the first air outlet 242 includes multiple first air outlet holes, which are spaced apart along the left-right direction on the partition wall 240. This facilitates the flow of gas at different depths within the component cavity 201 into the heat dissipation channel 202. Furthermore, in this embodiment, the first air outlet holes are rectangular. Of course, in other embodiments of the present application, they can also be circular or other shapes. Furthermore, in other embodiments of the present application, the first air outlet 242 can also include only one first air outlet hole, for example, the first air outlet hole is elongated along the left-right direction.

[0053] It should be noted here that in other embodiments of the present application, the component cavity 201 can also be provided with a second air outlet, and the second air outlet can be provided on the front wall 210 of the electrical control box 200. In this way, the gas in the component cavity 201 can not only flow into the heat dissipation channel 202 through the first air outlet 242, but can also be directly discharged through the second air outlet.

[0054] As for the third air inlet of the component chamber 201, in this embodiment, since the electrical control box 200 only includes a box body, its opening 205 serves as the third air inlet. However, in other embodiments of the present application, the electrical control box 200 may further include a cover disposed on the box body and closing the opening 205 of the box body. In this case, the third air inlet may be provided in the cover.

[0055] Furthermore, since the electrical control box 200 in this embodiment comprises only a box body, and its opening 205 faces the second air inlet 130, an electrical cover (not shown) is also provided on the side panels. This covers the second air inlet 130, thereby protecting the electrical control box 200. However, an air inlet cavity is enclosed between the electrical cover and the side panels, and an air inlet is provided at the bottom of the electrical cover. Both the second air inlet 130 and the air inlet are connected to the air inlet cavity. This allows air to enter the air inlet cavity through the air inlet, and then enter the component cavity 201 through the second air inlet 130 and the opening 205.

[0056] As for the second air inlet 130 on the side panel, in addition to having a ventilation function, it can also be a maintenance port. At this time, it has both ventilation and maintenance functions. After the electrical cover is removed, the electrical control box 200 can be inspected through the maintenance port and the opening 205.

[0057] Specifically, in this embodiment, the heat dissipation channel 202 further includes a vertical section 204 connected to the horizontal section 203, and the vertical section 204 is located on the side of the component cavity 201 away from the side plate. More specifically, in this embodiment, Figure 1 and Figure 5 As shown, the box body of the electric control box 200 includes a front wall 210 and a rear wall 220 spaced apart and arranged opposite to each other in the front-to-back direction, an upper wall 230, a partition wall 240 and a lower wall 250 arranged in sequence in the upper-lower direction, the front wall 210 is connected to the front ends of the upper wall 230, the partition wall 240 and the lower wall 250, and the rear wall 220 is connected to the rear ends of the three. The side of the front wall 210, the rear wall 220, the partition wall 240 and the lower wall 250 away from the side plate is connected to the side wall 260. In this way, the front wall 210, the partition wall 240, the rear wall 220 The upper and lower walls 250 and side walls 260 together form the component cavity 201; the top of the front wall 210, the upper wall 230, the top of the rear wall 220, and the partition wall 240 together form the horizontal section 203 of the heat dissipation channel 202. The end of the upper wall 230 away from the side panels first extends away from the side walls 260 to form a first extension section 232. Then, the three sides of the first extension section 232 not connected to the upper wall 230 extend downward to form a second extension section 233, which together with the side walls 260 form the vertical section 204 of the heat dissipation channel 202. Furthermore, the first extension section 232 and the second extension section 233 can be smoothly transitioned, which can reduce the air flow resistance in the heat dissipation channel 202 and thus ensure effective heat dissipation.

[0058] In this embodiment, continue as Figure 1 and Figure 5As shown, a heat sink 280 is provided on the PCB 270; a relief opening 261 is defined in the wall of the component cavity 201, through which the heat sink 280 extends, at least partially, into the vertical section 204; and a gap is formed between the channel wall of the vertical section 204 and the heat sink 280 on at least one side. In this arrangement, ambient air enters the heat dissipation channel 202 from its inlet end through the second air inlet 130 on the side panel, exchanges heat with the heat sink 280 within the heat dissipation channel 202, and is then discharged from the outlet end of the heat dissipation channel 202. This heat exchange between the air within the heat dissipation channel 202 and the heat sink 280 accelerates heat dissipation from the heat sink 280, thereby improving the heat dissipation efficiency of the heat sink 280 for the PCB 270 and the electronic components thereon. The gap between the channel wall of the vertical section 204 and the radiator 280 can effectively prevent water flowing along the channel wall from flowing into the radiator 280 , thereby protecting the radiator 280 .

[0059] Specifically, in this embodiment, Figure 1 and Figure 2 As shown, the top of the side panel is concave inward and forms a step with a horizontal portion 140. The air inlet end of the upper channel wall of the heat dissipation channel 202 extends upward to form an upper extension 231, which abuts the lower wall surface of the horizontal portion 140. With this arrangement, even if water is present on the top cover or top of the side panel of the housing and flows downward along the inner wall surface of the side panel, it will drip or its flow rate will slow down when it reaches the horizontal portion 140. Because the water is blocked by the upper extension 231, it will flow downward along the side of the upper extension 231 away from the side panel. Therefore, by providing the horizontal portion 140 and the upper extension 231 and abutting them, this embodiment can effectively prevent water from flowing downward along the inner wall surface of the side panel to the component cavity 201.

[0060] Specifically, in this embodiment, the interior of the casing is an integrated cavity, that is, the air conditioner outdoor unit provided in this embodiment cancels the setting of the wind-proof vertical plate, and the space inside the casing is not divided into two chambers. This not only reduces costs and simplifies the assembly process, but also helps to make more full use of the space inside the outdoor unit and reduce the overall size of the outdoor unit.

[0061] Because it's no longer possible to install the electrical control box 200 on the windshield, this embodiment places it on the side panel of the housing. Furthermore, in this embodiment, the electrical control box 200 is located on the right side panel 100 of the housing and is fixedly connected to the inner wall of the right side panel 100. Both the first air inlet 110 and the second air inlet 130 are located on the right side panel 100. Placing the electrical control box 200 on the right side panel 100 makes it easier for right-handed operators to remove and install the electrical control box 200. Furthermore, the heat exchanger and fan of the air conditioner's outdoor unit are located on the left side of the integrated cavity, while the compressor of the air conditioner's outdoor unit is located on the right side of the integrated cavity, along with the electrical control box 200.

[0062] However, it should be noted that in other embodiments of the present application, the electrical control box 200 can also be located on the left side panel of the housing, with the electrical control box 200 fixedly connected to the inner wall of the left side panel; the first air inlet 110 and the second air inlet 130 are both located on the left side panel. Furthermore, the heat exchanger and fan of the air conditioner outdoor unit are located on the right side of the integrated cavity, while the compressor of the air conditioner outdoor unit and the electrical control box 200 are both located on the left side of the integrated cavity. This arrangement makes it easier for left-handed operators to remove and install the electrical control box 200.

[0063] Here, it should also be noted that, in other embodiments of the present application, a wind-blocking vertical plate may also be provided inside the casing, while the electrical control box 200 is still provided on the side panel of the casing.

[0064] Finally, it should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include," "comprise," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0065] The above description of the disclosed embodiments is intended to enable one skilled in the art to implement or use the present invention. Various modifications to the embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An air conditioner outdoor unit, characterized in that: It comprises a casing and an electric control box (200) arranged in the casing, the casing comprises a side panel, and the side panel is provided with a first air inlet (110); The electric control box (200) is provided with a component cavity (201) and a heat dissipation channel (202), and a PCB board (270) is provided in the component cavity (201); a horizontal section (203) of the heat dissipation channel (202) is located above the component cavity (201) and is separated from the component cavity (201) by a partition wall (240); the electric control box (200) is fixedly mounted on the side plate, and an air inlet end of the horizontal section (203) is arranged opposite to the first air inlet (110); The side plate is provided with a water retaining structure at the first air inlet (110).

2. The air conditioner outdoor unit according to claim 1, characterized in that: The first air inlet (110) is a louver window, and the water retaining structure comprises at least one louver blade, which is connected to both ends of the first air inlet (110) in a horizontal direction and is tilted downward and outward.

3. The air conditioner outdoor unit according to claim 1, characterized in that: The water retaining structure is a water retaining eave (120), the upper end of the water retaining eave (120) closes the upper end of the first air inlet (110), the front end of the water retaining eave (120) closes the front end of the first air inlet (110), and the rear end of the water retaining eave (120) closes the rear end of the first air inlet (110); the lower end of the water retaining eave (120) is flush with the lower end of the first air inlet (110), or the lower end of the water retaining eave (120) is lower than the lower end of the first air inlet (110); and a gas inlet is formed between the lower end of the water retaining eave (120) and the side plate.

4. The air conditioner outdoor unit according to claim 3, characterized in that: The end portion of the partition wall (240) located at the air inlet end of the heat dissipation channel (202) extends outward to form an extension section (241), and the extension section (241) overlaps the lower end of the first air inlet (110).

5. The air conditioner outdoor unit according to claim 4, characterized in that: The extension section (241) extends out of the side plate.

6. The air conditioner outdoor unit according to any one of claims 1 to 5, characterized in that: The side plate is further provided with a second air inlet (130); the element cavity (201) is provided with a third air inlet and a first air outlet (242), the third air inlet being arranged opposite to the second air inlet (130); the first air outlet (242) is provided on the front side of the partition wall (240) and is in communication with the element cavity (201) and the heat dissipation channel (202); The partition wall (240) is provided with a water retaining rib (243); the front channel wall of the heat dissipation channel (202) and the water retaining rib (243) are respectively located at the front side and the rear side of the first air outlet (242); and the end of the water retaining rib (243) located at the air inlet end of the heat dissipation channel (202) abuts against the inner wall surface of the side plate.

7. The air conditioner outdoor unit according to claim 6, characterized in that: The heat dissipation channel (202) further comprises a vertical section (204) in communication with the horizontal section (203), the vertical section (204) being located on a side of the component cavity (201) away from the side plate; the PCB board (270) is provided with a heat sink (280); a cavity wall of the component cavity (201) is provided with a relief opening (261), the heat sink (280) extends through the relief opening (261) and at least partially extends into the vertical section (204); and a gap is formed between the channel wall of the vertical section (204) and the heat sink (280) on at least one side.

8. The air conditioner outdoor unit according to any one of claims 1 to 5, characterized in that: The top of the side plate is concave inward and forms a step, and the step has a horizontal portion (140); the air inlet end of the upper channel wall of the heat dissipation channel (202) extends upward to form an upper extension section (231), and the upper extension section (231) abuts against the lower wall surface of the horizontal portion (140).

9. The air conditioner outdoor unit according to claim 1, characterized in that: The interior of the casing is an integrated cavity, the heat exchanger and the fan of the air conditioner outdoor unit are located on the left side of the integrated cavity, and the electric control box (200) and the compressor of the air conditioner outdoor unit are located on the right side of the integrated cavity.

10. The air conditioner outdoor unit according to claim 9, characterized in that: The side panel comprises a left side panel and a right side panel (100); the electric control box (200) is fixedly connected to the inner wall surface of the right side panel (100); and the first air inlet (110) is opened on the right side panel (100).

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