Air conditioner outdoor unit and air conditioner

Abstract

The utility model relates to the technical field of air conditioning, and discloses an air conditioner outdoor unit which comprises a shell, a partition plate, an outdoor fan and an electric control box. The partition plate is arranged in the containing space to divide the containing space into a heat exchanger cabin and a compressor cabin, the heat exchanger cabin is provided with an air inlet and an air outlet, and the compressor cabin is provided with an auxiliary air inlet; the outdoor fan is arranged in the heat exchanger cabin, and a low-pressure area is formed in the heat exchanger cabin when the outdoor fan runs; the electric control box is provided with a heat dissipation air channel, the first end of the heat dissipation air channel is opened in the low-pressure area of the heat exchanger cabin, and the second end of the heat dissipation air channel is opened in the compressor cabin. The utility model further discloses the air conditioner.

Description

Technical Field

[0001] The present application relates to the technical field of air conditioning, for example, to an air-conditioning outdoor unit and an air conditioner. Background Art

[0002] As air conditioners become increasingly intelligent, their computer boards are performing increasingly complex computations, generating significant heat. This heat cannot be dissipated quickly, causing the board to remain overheated. When the board reaches its protection temperature, the air conditioner is forced to shut down. This weakens the air conditioner's high-temperature cooling capacity.

[0003] To improve the cooling capacity of an air conditioner in high-temperature environments, a related art discloses an outdoor air conditioner unit. The outdoor air conditioner unit includes a housing, a compressor, an outdoor fan, a heat exchanger, a middle partition, and an electrical box. The middle partition is a plate-shaped structure fixedly mounted within the housing, dividing the space within the housing into a first cavity and a second cavity. The outdoor fan and heat exchanger are located within the first cavity. The compressor is fixedly mounted within the second cavity. The middle partition is provided with a through hole connecting the first and second cavities. The electrical box is mounted and fixedly mounted on the through hole. The electrical box includes a circuit box and a circuit board. The circuit box is provided with an air inlet and an air outlet, which are located within the first and second cavities, respectively. The circuit board is fixedly mounted within the circuit box. This related art utilizes natural wind flowing through the electrical box to dissipate heat from the circuit board, thereby improving heat exchange efficiency.

[0004] During the implementation of the embodiments of the present disclosure, it was found that at least the following problems exist in the related art:

[0005] The air conditioner outdoor unit in the related art cools the computer board through the air flow generated by the operation of the outdoor fan. The pressure difference between the air inlet and outlet of the electrical box is too small, and the air volume is low. The cooling effect on the computer board needs to be further improved.

[0006] It should be noted that the information disclosed in the above background technology section is only used to enhance the understanding of the background of this application, and therefore may include information that does not constitute prior art known to ordinary technicians in this field. Utility Model Content

[0007] In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is given below. The summary is not an extensive review, nor is it intended to identify key / critical elements or delineate the scope of protection of these embodiments, but rather serves as a prelude to the detailed description that follows.

[0008] The embodiments of the present disclosure provide an air-conditioning outdoor unit and an air conditioner to improve the cooling effect of the air-conditioning outdoor unit on a computer board.

[0009] In some embodiments, the air-conditioning outdoor unit includes a shell, a partition, an outdoor fan and an electrical control box, wherein the shell is constructed with an accommodating space; the partition is arranged in the accommodating space to separate the accommodating space into a heat exchanger compartment and a compressor compartment, the heat exchanger compartment is provided with an air inlet and an air outlet, and the compressor compartment is provided with an auxiliary air inlet; the outdoor fan is arranged in the heat exchanger compartment, and a low-pressure area is formed in the heat exchanger compartment when the outdoor fan is running; the electrical control box is constructed with a heat dissipation duct, the first end of the heat dissipation duct is open to the low-pressure area of the heat exchanger compartment, and the second end is open to the compressor compartment.

[0010] In some embodiments, the first end of the heat dissipation duct opens behind the blades of the outdoor fan.

[0011] In some embodiments, the air conditioner outdoor unit further includes an air duct, which is arranged along the circumference of the air outlet, and the fan blades of the outdoor fan extend into the air duct; wherein the first end of the heat dissipation duct is open to the radially outer side of the air duct.

[0012] In some embodiments, the partition is provided with a connecting hole, and the second end of the heat dissipation duct is connected to the connecting hole so that the second end of the heat dissipation duct is connected to the compressor compartment.

[0013] In some embodiments, the compressor compartment is provided with an auxiliary air inlet.

[0014] In some embodiments, the electrical control box includes a circuit box, a plurality of heat dissipation fins and an air duct box, wherein the circuit box is constructed with an installation space, and the computer board is arranged in the installation space; the plurality of heat dissipation fins are heat-transferably connected to the computer board, the plurality of heat dissipation fins are arranged at intervals, and an air flow channel is formed between two adjacent heat dissipation fins; the air duct box is connected to the circuit box and covers the plurality of heat dissipation fins, the air duct box constructs the heat dissipation duct, and the plurality of heat dissipation fins are located in the heat dissipation duct.

[0015] In some embodiments, the plurality of heat dissipation fins are arranged along the axial direction of the outdoor fan.

[0016] In some embodiments, a heat dissipation slot is provided at the bottom of the air duct box, and the width of the heat dissipation slot gradually increases along the air flow direction.

[0017] In some embodiments, a plurality of heat dissipation holes are provided at the bottom of the air duct box, and the diameters of the plurality of heat dissipation holes gradually increase along the direction of air flow.

[0018] In some embodiments, the end sections of the plurality of heat dissipating fins along the air flow direction are exposed to the heat exchanger compartment.

[0019] In some embodiments, the heat dissipation fins are connected to a downward side of the computer board.

[0020] In some embodiments, the air conditioner includes the above-mentioned air conditioner outdoor unit.

[0021] The air conditioner outdoor unit and air conditioner provided by the embodiments of the present disclosure can achieve the following technical effects:

[0022] Introducing air from the compressor compartment to dissipate heat for the computer board can reduce or avoid abnormal temperature increase of the computer board, reduce the number of shutdowns of the air conditioner, and improve the high-temperature cooling capacity of the air conditioner; the first end of the heat dissipation duct is located in the low-pressure area of the heat exchanger compartment, and the pressure difference between the two ends of the heat dissipation duct is large, which has a better heat dissipation effect on the computer board; when driving the air to flow through the electronic control box, the outdoor fan is used as the power source, and no additional fan is required, which reduces the cost of the air conditioner outdoor unit; only the second end of the air outlet duct of the electronic control box is located in the heat exchanger compartment, which has little effect on the air volume of the outdoor fan; when the air flows through the electronic control box through the heat dissipation duct, a part of the air can also flow through the compressor located in the compressor compartment, which is beneficial to the heat dissipation of the compressor.

[0023] The above general description and the following description are exemplary and explanatory only and are not intended to limit the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] One or more embodiments are exemplarily described by corresponding drawings. These exemplary descriptions and drawings do not limit the embodiments. Elements with the same reference numerals in the drawings represent similar elements in the drawings. The drawings are not limited to scale. In addition,

[0025] Figure 1 This is a structural diagram of an air-conditioning outdoor unit provided by an embodiment of the present disclosure;

[0026] Figure 2 This is a schematic structural diagram of an air-conditioning outdoor unit provided by an embodiment of the present disclosure with part of the housing removed;

[0027] Figure 3 This is a schematic structural diagram of another air-conditioning outdoor unit provided by an embodiment of the present disclosure with part of the housing removed;

[0028] Figure 4 is a simplified schematic diagram of an air conditioner outdoor unit provided by an embodiment of the present disclosure;

[0029] Figure 5 This is a schematic structural diagram of another air-conditioning outdoor unit provided by an embodiment of the present disclosure with part of the housing removed;

[0030] Figure 6 is a simplified schematic diagram of another air-conditioning outdoor unit provided by an embodiment of the present disclosure;

[0031] Figure 7This is a schematic structural diagram of an electric control box of an air-conditioning outdoor unit provided by an embodiment of the present disclosure;

[0032] Figure 8 is a structural diagram of an electric control box of another air-conditioning outdoor unit provided by an embodiment of the present disclosure;

[0033] Figure 9 This is a structural schematic diagram of a partition plate of an air conditioner outdoor unit provided by an embodiment of the present disclosure;

[0034] Figure 10 is a structural schematic diagram of another partition plate of an air conditioner outdoor unit provided by an embodiment of the present disclosure;

[0035] Figure 11 This is a structural diagram of an air duct box of an air conditioner outdoor unit provided by an embodiment of the present disclosure;

[0036] Figure 12 It is a structural schematic diagram of an air duct box of another air conditioner outdoor unit provided by an embodiment of the present disclosure.

[0037] Reference numerals:

[0038] 100: Shell; 110: Heat exchanger compartment; 112: Air inlet; 113: Air outlet; 120: Compressor compartment; 130: Auxiliary air inlet; 200: Partition; 210: Connecting hole; 300: Outdoor fan; 310: Fan blades; 400: Electric control box; 410: Circuit box; 411: Computer board; 420: Air duct box; 431: Heat dissipation fins; 441: Heat dissipation slits; 442: Heat dissipation holes; 500: Air guide tube; 600: Heat exchanger. DETAILED DESCRIPTION

[0039] In order to be able to understand the features and technical content of the embodiments of the present disclosure in more detail, the implementation of the embodiments of the present disclosure is described in detail below in conjunction with the accompanying drawings. The accompanying drawings are for reference only and are not used to limit the embodiments of the present disclosure. In the following technical description, for the sake of convenience of explanation, a full understanding of the disclosed embodiments is provided through multiple details. However, one or more embodiments can still be implemented without these details. In other cases, to simplify the drawings, well-known structures and devices can be simplified for display.

[0040] In the description and claims of the embodiments of the present disclosure, as well as in the accompanying drawings, the terms "first," "second," and the like are used to distinguish similar items and are not necessarily used to describe a particular order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate to describe the embodiments of the present disclosure herein. In addition, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0041] In the embodiments of the present disclosure, the terms "upper", "lower", "inside", "middle", "outside", "front", "back" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. These terms are mainly intended to better describe the embodiments of the present disclosure and their embodiments, and are not intended to limit the indicated devices, elements or components to having a specific direction, or to be constructed and operated in a specific direction. Moreover, in addition to being used to indicate directions or positional relationships, some of the above terms may also be used to indicate other meanings. For example, the term "upper" may also be used to indicate a certain dependency or connection relationship in certain circumstances. For those of ordinary skill in the art, the specific meanings of these terms in the embodiments of the present disclosure can be understood according to specific circumstances.

[0042] Furthermore, the terms "disposed," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean a fixed connection, a removable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, an indirect connection through an intermediary, or an internal connection between two devices, elements, or components. Those skilled in the art will understand the specific meanings of these terms in the embodiments of this disclosure based on the specific circumstances.

[0043] Unless otherwise stated, the term "plurality" means two or more.

[0044] In the embodiment of the present disclosure, the character " / " indicates that the preceding and following objects are in an "or" relationship. For example, A / B means: A or B.

[0045] The term "and / or" describes an association between objects, indicating that three relationships can exist. For example, A and / or B means: A or B, or A and B.

[0046] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0047] An air conditioner consists of an indoor unit and an outdoor unit. The outdoor unit is equipped with an outdoor heat exchanger, while the indoor unit is equipped with an indoor heat exchanger. When the air conditioner is operating in cooling mode, the outdoor heat exchanger acts as the condenser and the indoor heat exchanger acts as the evaporator. When the outdoor ambient temperature is high, the internal temperature of the outdoor unit also rises. As air conditioners become increasingly intelligent, the computing power of their computer boards is increasing, generating higher operating heat. If this heat cannot be dissipated promptly, the computer board temperature will remain high, forcing the air conditioner to shut down when the protective temperature is reached. This can severely weaken the air conditioner's high-temperature cooling capacity.

[0048] To improve the cooling capacity of an air conditioner in high-temperature environments, a related art discloses an outdoor air conditioner unit. The outdoor air conditioner unit includes a housing, a compressor, an outdoor fan, a heat exchanger, a middle partition, and an electrical box. The middle partition is a plate-shaped structure fixedly mounted within the housing, dividing the space within the housing into a first cavity and a second cavity. The outdoor fan and heat exchanger are located within the first cavity; the compressor is fixedly mounted within the second cavity. The middle partition is provided with a through hole connecting the first and second cavities. The electrical box is mounted and fixedly mounted on the through hole. The electrical box includes a circuit box and a circuit board. The circuit box is provided with an air inlet and an air outlet, which are located within the first and second cavities, respectively. The circuit board is fixedly mounted within the circuit box. The related art utilizes natural wind flowing through the electrical box to dissipate heat from the circuit board, thereby improving heat exchange efficiency. However, the problem with this related art is that the airflow generated by the outdoor fan when in operation cools the computer board. However, the pressure difference between the air inlet and outlet of the electrical box is too small, resulting in low air volume. This cooling effect on the computer board needs to be further improved.

[0049] In order to improve the cooling effect of the air conditioner outdoor unit on the computer board, combined with Figures 1 to 12 As shown, an embodiment of the present disclosure provides an air-conditioning outdoor unit, which includes a shell 100, a partition 200, an outdoor fan 300 and an electrical control box 400, wherein the shell 100 is constructed with an accommodating space; the partition 200 is arranged in the accommodating space to separate the accommodating space into a heat exchanger compartment 110 and a compressor compartment 120, the heat exchanger compartment 110 is provided with an air inlet 112 and an air outlet 113, and the compressor compartment 120 is provided with an auxiliary air inlet 130; the outdoor fan 300 is arranged in the heat exchanger compartment 110, and a low-pressure area is formed in the heat exchanger compartment 110 when the outdoor fan 300 is running; the electrical control box 400 is constructed with a heat dissipation duct, a first end of the heat dissipation duct is open to the low-pressure area of the heat exchanger compartment 110, and a second end is open to the compressor compartment 120.

[0050] In the disclosed embodiment, the air conditioner outdoor unit includes a housing 100 and a partition 200. The housing 100 encloses and defines a housing space. The partition 200 is disposed within the housing 100 and divides the housing space into a compressor compartment 120 and a heat exchanger compartment 110. In most cases, the partition 200 is disposed vertically, such that the compressor compartment 120 is located to one side of the heat exchanger compartment 110. In some cases, the partition 200 can be disposed horizontally, such that the compressor compartment 120 is located above or below the heat exchanger compartment.

[0051] Combine Figure 4 、 Figure 6As shown, the air conditioner outdoor unit also includes a heat exchanger 600 and an outdoor fan, which includes fan blades 310. The heat exchanger compartment 110 is provided with an air inlet 112 and an air outlet 113. The air between the air inlet 112 and the air outlet 113 serves as an air flow path for cooling the heat exchanger. The heat exchanger 600 is disposed within the heat exchanger compartment 110 and is located along the air flow path. The outdoor fan 300 is also disposed within the heat exchanger compartment 110 to provide power for the air, thereby ensuring a continuous flow of outdoor air through the heat exchanger.

[0052] When the outdoor fan 300 is running, the pressure at the air inlet 112 is generally lower than the pressure at the air outlet 113. This allows air to flow into the heat exchanger compartment 110 from the air inlet 112 and out of the heat exchanger compartment 110 from the air outlet 113 due to the pressure difference.

[0053] When the outdoor fan 300 operates, multiple zones of varying air pressure are formed within the heat exchanger compartment 110. Specifically, along the axial direction of the outdoor fan 300, the air inlet 112 is a low-pressure zone, while the air outlet 113 is a high-pressure zone. Along the radial direction of the outdoor fan 300, the pressure gradually increases from near to far. As the fan drives air outward from the air outlet 113, negative pressure zones are formed in corners where air flow is limited due to varying air velocity.

[0054] It should be noted that "high pressure" and "low pressure" are relative to normal pressure.

[0055] The air conditioner outdoor unit also includes an electric control box 400. Figure 4 、 Figures 6 to 8 The figure illustrates the air flow path in the cooling duct and the air conditioner outdoor unit, with the arrows indicating the direction of air flow. The first end of the cooling duct of the electrical control box 400 serves as the air outlet, and the second end serves as the air inlet. The first end of the cooling duct connects to the heat exchanger compartment 110, and the second end connects to the compressor compartment 120. The first end of the cooling duct is located in the low-pressure area of the heat exchanger compartment 110. The second end of the cooling duct is located in the compressor compartment 120, which is at normal pressure. Due to the pressure difference, air from the compressor compartment 120 enters the heat exchanger compartment 110 through the cooling duct and is discharged from the air outlet 113 of the heat exchanger compartment 110. As the air flows, it picks up heat from the computer board 411, thereby cooling the computer board 411.

[0056] When using the air-conditioning outdoor unit provided by the embodiment of the present invention, the air introduced into the compressor compartment 120 is used to dissipate heat for the computer board 411, which can reduce or avoid abnormal temperature increase of the computer board 411, reduce the number of shutdowns of the air conditioner, and improve the high-temperature cooling capacity of the air conditioner; the first end of the heat dissipation duct is located in the low-pressure area of the heat exchanger compartment 110, and the pressure difference between the two ends of the heat dissipation duct is large, which has a better heat dissipation effect on the computer board 411; when driving the air to flow through the electrical control box 400, the outdoor fan 300 is used as the power source, and no additional fan is required, which reduces the cost of the air-conditioning outdoor unit; only the second end of the air outlet duct of the electrical control box 400 is located in the heat exchanger compartment 110, which has little effect on the air volume of the outdoor fan 300; when the air flows through the electrical control box 400 through the heat dissipation duct, a part of the air can also flow through the compressor located in the compressor compartment 120, which is beneficial to heat dissipation of the compressor.

[0057] As an implementation method in which the first end of the heat dissipation duct is opened to the heat exchanger compartment 110, optionally, in combination with Figure 6 As shown, the first end of the heat dissipation duct is open behind the fan blades 310 of the outdoor fan 300 .

[0058] Along the air flow direction, the position close to the air outlet 113 is the front, and the position close to the air inlet 112 is the rear.

[0059] The outdoor fan 300 is an axial-flow fan. When it is in operation, its blades 310 push air forward and outward. A high-pressure area forms in front of the blades 310, while a low-pressure area forms behind the blades 310, causing air to flow from back to front. The first end of the cooling duct opens behind the blades 310 of the outdoor fan 300, creating a pressure differential between the first and second ends of the cooling duct.

[0060] Optionally, combined Figure 4 As shown, the air conditioner outdoor unit also includes an air duct 500, which is arranged along the circumference of the air outlet 113, and the fan blades 310 of the outdoor fan 300 extend into the air duct 500; wherein, the first end of the heat dissipation duct is open to the radial outside of the air duct 500.

[0061] The air duct 500 cooperates with the blades 310 of the outdoor fan 300 to direct air toward the air outlet 113. Specifically, at least a portion of the blades 310 is located within the air duct 500. When the outdoor fan 300 is operating, the blades 310 push the air forward and radially outward. The radially outward-flowing air is gathered and rectified by the air duct 500 before flowing toward the air outlet 113.

[0062] The first end of the cooling duct opens radially outward from the air duct 500. This prevents air from blowing toward the first end of the cooling duct. This creates an area of low air flow outside the air duct 500. Because the air velocity within the air duct 500 is relatively high, the velocity difference creates a negative pressure zone outside the air duct 500. This creates a pressure differential between the first and second ends of the cooling duct, driving air through the electronic control box 400 to dissipate heat from the computer board 411.

[0063] Optionally, combined Figure 4 、 Figure 6 、 Figure 9 and Figure 10 As shown, the partition plate 200 is provided with a communication hole 210 , and the second end of the heat dissipation duct is connected to the communication hole 210 so that the second end of the heat dissipation duct is connected to the compressor compartment 120 .

[0064] The second end of the heat dissipation duct is connected to the communication hole 210 of the partition 200, so that the heat dissipation duct itself does not need to pass through the partition 200. With this arrangement, the electric control box 400 can be more conveniently installed on the partition 200.

[0065] Optionally, the compressor compartment 120 is provided with an auxiliary air inlet 130 .

[0066] When the compressor compartment 120 is provided with the auxiliary air inlet 130 , the second end of the heat dissipation air duct can receive more air, thereby improving the heat dissipation effect on the computer board 411 .

[0067] Optionally, the auxiliary air inlet 130 is opened on a side panel of the compressor compartment 120 opposite to the partition 200 .

[0068] In this way, the distance between the auxiliary air inlet 130 and the electric control box 400 can be reduced, thereby increasing the air flow rate of the heat dissipation duct.

[0069] Optionally, a handle is provided at the auxiliary air inlet 130 .

[0070] In this case, the auxiliary air inlet 130 serves as a space for the handle to avoid fingers. This arrangement makes it easier for operators to move the air conditioner outdoor unit.

[0071] Optionally, the electrical control box 400 includes a circuit box 410, multiple heat dissipation fins 431 and an air duct box 420, wherein the circuit box 410 is constructed with an installation space, and the computer board 411 is arranged in the installation space; the multiple heat dissipation fins 431 are heat-transferably connected to the computer board 411, the multiple heat dissipation fins 431 are arranged at intervals, and an air flow channel is formed between two adjacent heat dissipation fins 431; the air duct box 420 is connected to the circuit box 410 and covers the multiple heat dissipation fins 431, the air duct box 420 constructs a heat dissipation duct, and the multiple heat dissipation fins 431 are located in the heat dissipation duct.

[0072] The circuit box 410 of the electrical control box 400 is used to mount a computer board 411. The air duct box 420 is positioned in close proximity to the circuit box 410. The heat dissipating fins 431 are located within the heat dissipating duct of the air duct box 420 and are thermally connected to the computer board 411. This allows air flowing through the heat dissipating duct to more effectively exchange heat with the heat dissipating fins 431, thereby removing heat generated by the computer board 411. The electrical control box 400 includes multiple heat dissipating fins 431, which are arranged in parallel. Air flows between adjacent heat dissipating fins 431, reducing air flow resistance and increasing the heat exchange area.

[0073] With this arrangement, the computer board 411 has a larger heat dissipation area through the heat dissipation fins 431 , and the air flow resistance of the heat dissipation duct is smaller, so the air conditioner outdoor unit can better dissipate heat from the computer board 411 .

[0074] Optionally, a plurality of heat dissipation fins 431 are arranged along the axial direction of the outdoor fan 300 .

[0075] The heat dissipation fins 431 are arranged along the axial direction of the outdoor fan 300, that is, they are arranged generally parallel to the partition 200. The air flow channel between two adjacent heat dissipation fins 431 is also arranged along the axial direction of the outdoor fan 300. The air needs to be turned at least 90 degrees when entering the heat exchanger compartment 110 from the compressor compartment 120. With such an arrangement, on the one hand, the air travel in the heat dissipation duct can be increased, thereby enhancing the heat exchange effect of the heat dissipation fins 431; on the other hand, since the air flow direction is turned, the turbulence of the air flow can be increased, thereby thinning the laminar boundary layer on the surface of the heat dissipation fins 431, thereby improving the heat exchange effect between the air and the heat dissipation fins 431; on the third hand, the heat dissipation fins 431 are arranged along the circumference of the outdoor fan 300, and the heat dissipation fins 431 can be set to a longer length without causing significant resistance to the air flow in the heat exchanger compartment 110.

[0076] Optionally, combined Figure 11 As shown, a heat dissipation slot 441 is provided at the bottom of the air duct box 420 , and the width of the heat dissipation slot 441 gradually increases along the air flow direction.

[0077] The bottom of the air duct box 420 is provided with a heat dissipation slot 441, which is equivalent to increasing the air outlet area of the heat dissipation duct, thereby increasing the air flow rate of the heat dissipation duct.

[0078] Furthermore, the width of the heat dissipation slot 441 gradually increases along the air flow direction in the heat dissipation duct, so that the conduction cross-section of the heat dissipation duct has a gradually expanding feature, which can reduce the flow resistance of the air in the heat dissipation duct and further increase the air flow rate of the heat dissipation duct.

[0079] Optionally, combined Figure 12 As shown, a plurality of heat dissipation holes 442 are provided at the bottom of the air duct box 420 , and the diameters of the plurality of heat dissipation holes 442 gradually increase along the air flow direction.

[0080] The bottom of the air duct box 420 is provided with heat dissipation holes 442, which is equivalent to increasing the air outlet area of the heat dissipation duct, thereby increasing the air flow rate of the heat dissipation duct.

[0081] Furthermore, the diameter of the heat dissipation holes 442 gradually increases along the air flow direction in the heat dissipation duct, so that the conduction cross-section of the heat dissipation duct has a gradually expanding feature. This can reduce the flow resistance of the air in the heat dissipation duct and further increase the air flow rate of the heat dissipation duct.

[0082] Optionally, the end sections of the plurality of heat dissipating fins 431 along the air flow direction are exposed to the heat exchanger compartment 110 .

[0083] By adopting such an arrangement, the air guide cross-section of the heat dissipation duct at the first end can be increased, thereby increasing the air flow rate of the heat dissipation duct.

[0084] Optionally, the heat dissipation fins 431 are connected to the downward side of the computer board 411 .

[0085] The heat dissipation fins 431 are connected to the downward side of the computer board 411 , and the air duct box 420 is disposed below the circuit box 410 .

[0086] When air flows through the heat dissipation duct, water droplets and dust in the air are deposited downward. Because the computer board 411 is located above the heat dissipation duct, water droplets and dust are not easily able to enter the computer board 411 in the circuit box 410. This arrangement can improve the protection effect of the air conditioner outdoor unit on the computer board 411.

[0087] Optionally, the distance that some of the fins in the heat dissipation fins 431 extend downward from the computer board 411 gradually decreases from the compressor compartment 120 to the heat exchanger compartment 110, and the part of the air duct box 420 close to the outdoor fan 300 is tilted.

[0088] Like this, air duct box 420 has similar chamfered structure. Under the situation that the rotation required space of outdoor fan 300 is circular, such setting form allows heat dissipating fin 431 to be provided with larger size, thereby improving the heat dissipation effect of air conditioner outdoor unit for computer board 411.

[0089] Optionally, the partition plate 200 is provided with an installation window, and the circuit box 410 is inserted into the installation window.

[0090] This is beneficial for fixing the electric control box 400 to the air conditioner outdoor unit.

[0091] Optionally, a mounting window is opened at the top of the partition 200 .

[0092] In this way, the installation height of the electric control box 400 can be increased, which is beneficial to the assembly and maintenance of the electric control box 400 .

[0093] Optionally, the partition 200 includes a first plate body and a second plate body, and the angle between the first plate body and the second plate body is less than 150°.

[0094] In this way, a cross section of the partition 200 is L-shaped or nearly L-shaped, which can improve the strength of the partition 200 and reduce the vibration of the partition 200.

[0095] An embodiment of the present disclosure provides an air conditioner, which includes the above-mentioned air conditioner outdoor unit.

[0096] When using the air conditioner provided by the embodiment of the present invention, the air introduced into the compressor compartment is used to dissipate heat for the computer board, which can reduce or avoid abnormal temperature increase of the computer board, reduce the number of shutdowns of the air conditioner, and improve the high-temperature cooling capacity of the air conditioner; the first end of the heat dissipation duct is located in the low-pressure area of the heat exchanger compartment, and the pressure difference between the two ends of the heat dissipation duct is large, which has a better heat dissipation effect on the computer board; when driving the air to flow through the electronic control box, the outdoor fan is used as the power source, and there is no need to set up an additional fan, which reduces the cost of the air conditioner outdoor unit; only the second end of the air outlet duct of the electronic control box is located in the heat exchanger compartment, which has little effect on the air volume of the outdoor fan; when the air flows through the electronic control box through the heat dissipation duct, a part of the air can also flow through the compressor located in the compressor compartment, which is beneficial to the heat dissipation of the compressor.

[0097] The above description and the accompanying drawings sufficiently illustrate the embodiments of the present disclosure to enable those skilled in the art to practice them. Other embodiments may include structural and other changes. The embodiments represent only possible variations. Unless expressly required, individual components and functions are optional, and the order of operations may vary. Portions and features of some embodiments may be included in or replace portions and features of other embodiments. The embodiments of the present disclosure are not limited to the structures described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims

1. An air conditioner outdoor unit, characterized in that: include: The housing is configured with an accommodating space; a partition plate provided in the accommodating space to separate the accommodating space into a heat exchanger compartment and a compressor compartment, the heat exchanger compartment being provided with an air inlet and an air outlet, and the compressor compartment being provided with an auxiliary air inlet; An outdoor fan is provided in the heat exchanger compartment, and forms a low-pressure area in the heat exchanger compartment when the outdoor fan is in operation; The electric control box is constructed with a heat dissipation duct, wherein a first end of the heat dissipation duct is open to the low-pressure area of the heat exchanger compartment, and a second end of the heat dissipation duct is open to the compressor compartment.

2. The air conditioner outdoor unit according to claim 1, characterized in that: The first end of the heat dissipation air duct is opened behind the fan blades of the outdoor fan.

3. The air conditioner outdoor unit according to claim 1, characterized in that: Also includes: An air guide tube is provided along the circumference of the air outlet, and the blades of the outdoor fan extend into the air guide tube; Wherein, the first end of the heat dissipation duct is open to the radial outer side of the air guide cylinder.

4. The air conditioner outdoor unit according to claim 1, characterized in that: The partition plate is provided with a communication hole, and the second end of the heat dissipation duct is connected to the communication hole so that the second end of the heat dissipation duct is connected to the compressor compartment.

5. The air conditioner outdoor unit according to claim 4, characterized in that: The compressor compartment is provided with an auxiliary air inlet.

6. The air conditioner outdoor unit according to any one of claims 1 to 5, characterized in that: The electric control box includes: The circuit box is constructed with an installation space, and the computer board is arranged in the installation space; A plurality of heat dissipation fins are heat-conductingly connected to the computer board, wherein the plurality of heat dissipation fins are arranged at intervals and an air flow channel is formed between two adjacent heat dissipation fins; The air duct box is connected to the circuit box and covers the plurality of heat dissipation fins. The air duct box constructs the heat dissipation air duct, and the plurality of heat dissipation fins are located in the heat dissipation air duct.

7. The air conditioner outdoor unit according to claim 6, characterized in that: The plurality of heat dissipation fins are arranged along the axial direction of the outdoor fan.

8. The air conditioner outdoor unit according to claim 6, characterized in that: A heat dissipation slot is provided at the bottom of the air duct box, and the width of the heat dissipation slot gradually increases along the air flow direction; or, The bottom of the air duct box is provided with a plurality of heat dissipation holes, and the diameters of the plurality of heat dissipation holes gradually increase along the air flow direction; or, The end sections of the plurality of heat dissipating fins along the air flow direction are exposed to the heat exchanger compartment.

9. The air conditioner outdoor unit according to claim 6, characterized in that: The heat dissipation fin is connected to the downward side of the computer board.

10. An air conditioner, characterized in that: An air-conditioning outdoor unit comprising any one of claims 1 to 9.

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