Air conditioner outdoor unit

Abstract

The utility model provides an air conditioner outdoor unit relates to air conditioning technical field. Air conditioner outdoor unit includes: the shell, and the inside defines the press machine cavity, and the shell includes first side plate, wiring port is located on first side plate, wiring cover body is located at wiring port, the isolation board is connected with wiring cover body, and the isolation board and wiring cover body jointly define the heat dissipation passage of communication with press machine cavity, a plurality of air inlet part is located on wiring cover body, the slope part is formed in the height direction of shell between two air inlet parts adjacent, first water retaining part is located in the end of the slope part near the isolation board and extends to the direction near the top end of shell, second water retaining part is located in the end of the slope part far from the isolation board and extends to the direction near the bottom end of shell. In the utility model, the slope part cooperates with first water retaining part and second water retaining part, makes air inlet part form Z type ventilation structure, so as to weaken water and water vapor impact in air inlet part, avoids water and water vapor to directly enter into the heat dissipation passage.

Description

Technical Field

[0001] This utility model belongs to the field of air conditioning technology, and in particular relates to an outdoor unit for an air conditioner. Background Technology

[0002] In a split-type air conditioning system, the outdoor unit is responsible for discharging the heat (or cooling) absorbed by the indoor heat exchanger to the outside environment through the outdoor heat exchanger to achieve a cooling or heating cycle. To accomplish this function, the outdoor unit contains a compressor, an outdoor fan, and an electrical control box. All high-voltage and low-voltage components must be connected to the indoor unit and the mains power network via external power cords and signal lines. The outdoor unit also includes a wiring cover, which is located on one side panel of the unit's casing. This cover protects the wiring components and allows the wiring harness to enter and exit the casing safely and centrally.

[0003] During the operation of an air conditioner outdoor unit, the electronic components in the control box generate a significant amount of heat. If this heat is not dissipated in a timely manner, the heat accumulated in the compressor cavity will affect the normal operation of the electronic components and shorten their lifespan. To cool and dissipate heat from the compressor cavity, a heat dissipation channel connecting the outdoor environment and the compressor cavity is usually installed inside the wiring cover. The negative pressure generated by the rotation of the outdoor fan draws cool outdoor air into the compressor cavity, thereby removing the heat from the compressor cavity.

[0004] Because air conditioner outdoor units are placed outdoors, they are exposed to rain. Rainwater and moisture can easily enter the unit's casing through the heat dissipation channel. In related technologies, to prevent rainwater from entering the casing and causing short circuits in electrical components, a waterproof structure is usually installed inside the wiring cover to block and reduce moisture. However, existing waterproof structures generally suffer from high wind resistance and a sharp reduction in airflow. Furthermore, the air inlet of the heat dissipation channel is not waterproof, failing to reduce the amount of rainwater entering the channel at the source. Rainwater and moisture rush in at high speed from the air inlet without any reduction, only to be intercepted by the waterproof structure inside the wiring cover. At this point, the air inside the heat dissipation channel is already close to saturated with moisture. The waterproof structure inside the wiring cover is forced to handle a "full load" of water droplets. Once the airflow increases or there are even slight gaps in the assembly, residual water droplets can easily overcome the last rib and directly strike live components. The probability of waterproofing failure increases exponentially, which is detrimental to the safe and stable operation of the air conditioner outdoor unit. Utility Model Content

[0005] This utility model aims to at least partially solve one of the technical problems in related technologies. Therefore, This utility model provides an outdoor unit for an air conditioner, which includes: The housing defines a fan chamber and a compressor chamber that are connected to each other. The housing includes a first side plate for surrounding the compressor chamber. The top and bottom ends of the housing are two ends that are arranged opposite each other in the height direction. An outdoor fan is installed in the fan cavity; The wiring port is located on the first side plate; A wiring cover is provided at the wiring port, the wiring cover is hollow inside and has an opening on the side near the press cavity; An isolation plate is provided at the opening of the wiring cover, and the isolation plate and the wiring cover together define a heat dissipation channel that connects the top to the press cavity; Several air inlets are provided on the wiring cover to connect the heat dissipation channel with the outdoor environment; A ramp portion is defined between two adjacent air inlets in the height direction of the housing, the ramp portion extending obliquely from top to bottom toward the side away from the partition plate; A first water-blocking part is provided at one end of the slope near the isolation plate, and the first water-blocking part extends towards the top of the casing; The second water-blocking part is located at the end of the slope that is away from the isolation plate, and the second water-blocking part extends toward the bottom end of the housing.

[0006] The above technical solution has the following advantages or beneficial effects: By setting up an air inlet and a heat dissipation channel, outdoor air enters the compressor chamber under negative pressure, reducing the temperature of the compressor chamber and effectively solving the problem of heat dissipation for electronic components inside the compressor chamber. By setting up a first water-blocking section, a second water-blocking section, and a ramp section, the impact of water and water vapor in the air inlet can be weakened, preventing water and water vapor from directly entering the heat dissipation channel, and allowing water to be discharged along the outer surface of the external wiring cover, thus achieving the dual advantages of heat dissipation and waterproofing, effectively solving the technical problem of the contradiction between heat dissipation and waterproofing.

[0007] According to an embodiment of this disclosure, the extension direction of the top surface of the ramp portion forms an angle θ with a plane perpendicular to the height direction of the housing, where θ ≥ 10° and θ ≤ 15°.

[0008] The above technical solution has the following advantages or beneficial effects: If the included angle θ < 10°, the slope is almost horizontal, resulting in insufficient kinetic energy for the water blocked by the first water-blocking part to be discharged under gravity. The water film slides down slowly and is easily re-entrained by the high-speed airflow into the air inlet, reducing waterproof reliability. If the included angle θ > 15°, the air inlet projection area is drastically reduced, and the airflow at the same air inlet height is reduced, weakening heat dissipation and making demolding difficult. By setting the included angle θ within a small range of 10° to 15°, demolding of the mold is facilitated, while rainwater droplets are allowed to flow out by gravity and the airflow is guided upwards into the heat dissipation channel, improving waterproof and heat dissipation performance.

[0009] According to an embodiment of this disclosure, a first baffle plate is provided on the side of the wiring cover facing the isolation plate. The first baffle plate is located above the air inlet and extends obliquely towards the side close to the isolation plate in a direction from bottom to top. A first connecting portion for airflow is formed between the first baffle plate and the isolation plate.

[0010] The above technical solution has the following advantages or beneficial effects: by adding a first baffle plate above the air inlet, water and moisture entering through the air inlet can be further blocked. The first baffle plate is inclined, which can guide the airflow upward, allowing it to flow out more smoothly from the top of the heat dissipation channel, thus improving the waterproofing and heat dissipation effects.

[0011] According to an embodiment of this disclosure, a second baffle plate is provided on the side of the isolation plate away from the press cavity. The second baffle plate is located above the first baffle plate. The free end of the second baffle plate forms a second communication portion for airflow between itself and the wiring cover. The second baffle plate and the first baffle plate coincide in the orthographic projection portion along the height direction of the housing.

[0012] The above technical solution has the following advantages or beneficial effects: by setting a second baffle above the first baffle, and the two baffles overlap in the orthographic projection along the height direction of the casing, a maze path is formed. The airflow enters the compressor chamber through the maze path, and the water is blocked by the two baffles in turn. This improves the waterproof level without increasing wind resistance, and can basically completely prevent water and insects from entering the compressor chamber.

[0013] According to an embodiment of this disclosure, the bottom surface of the first baffle plate forms an angle γ with a plane perpendicular to the height direction of the housing, where γ ≥ 10° and γ ≤ 15°.

[0014] The above technical solution has the following advantages or beneficial effects: If the included angle γ < 10°, the angle of the first baffle plate is too small, making it easy for water to accumulate and drip, and it is not conducive to guiding cold air upward. If the included angle γ > 15°, the first baffle plate is difficult to form, which is not conducive to demolding and also affects the blocking effect of water vapor. By setting the included angle γ in a small range of 10° to 15°, it is easier to demold the mold. The first baffle rib within this angle range can better block water and water vapor entering from the air inlet, and at the same time guide the outdoor cold air to rise upward, improving the waterproof and heat dissipation effects.

[0015] According to an embodiment of this disclosure, the second baffle plate is disposed at the top of the isolation plate, and the top of the isolation plate and the top of the wiring cover form an air outlet, the air outlet connecting the heat dissipation channel and the compressor chamber.

[0016] The above technical solution has the following advantages or beneficial effects: the top of the isolation plate and the top of the wiring cover form an air outlet, which makes the air outlet far away from the second through section. Rainwater must climb up two water baffles and cross the entire heat dissipation channel to reach the air outlet. During the journey, due to gravity and two deflections, the water droplets fall back automatically. Without additional sealing, a natural barrier that is "difficult to climb in heavy rain" is formed, which further improves the waterproof effect.

[0017] According to an embodiment of this disclosure, the wiring cover is provided with a guide plate, the guide plate is inclined and its top extends to abut against the isolation plate to form the bottom wall of the heat dissipation channel; a drainage part is provided through the wiring cover along the extending direction of the guide plate, and a portion of the guide plate forms the bottom wall of the drainage part.

[0018] The above technical solution has the following advantages or beneficial effects: by setting up a guide plate, water dripping onto the guide plate can be directly discharged to the outside of the casing along the slope of the guide plate, eliminating the risk of water accumulation and icing inside the heat dissipation channel.

[0019] According to an embodiment of this disclosure, a handle is formed on the wiring cover. The handle is located below the guide plate and defines a cavity with the guide plate. The bottom end of the isolation plate is provided with a receiving portion that extends into the cavity. The bottom wall of the receiving portion abuts against the handle. An overflow hole is provided through the receiving portion that extends into the cavity.

[0020] The above technical solution has the following advantages or beneficial effects: If the wiring cover and the isolation plate are not installed properly, water can still enter the machine casing through the gap between them. By setting up a receiving part to collect the water flowing down the gap, and then draining it into the cavity through the overflow hole, water is prevented from entering the machine casing. At the same time, the handle also serves as a hand catch, achieving multiple functions and reducing the number of parts.

[0021] According to an embodiment of this disclosure, the first and second water-blocking portions at both ends of the same air inlet overlap in their orthographic projections on the isolation plate.

[0022] The above technical solution has the following advantages or beneficial effects: physical shielding is achieved by partially overlapping the orthographic projection, which completely blocks the line of sight / path that directly enters the air intake from the outside, increases the difficulty for outdoor rainwater to enter the heat dissipation channel through the air intake, improves the waterproof effect, and does not sacrifice heat dissipation performance due to the improvement of waterproof performance.

[0023] According to an embodiment of this disclosure, the isolation plate has flanges at opposite ends, and a first snap-fit ​​portion is provided on the flanges. The wiring cover has second snap-fit ​​portions on opposite sides, and the first snap-fit ​​portion and the second snap-fit ​​portion are adapted to be connected.

[0024] The above technical solution has the following advantages or beneficial effects: the connection between the wiring cover and the isolation plate can be quickly completed by the engagement of the first snap-fit ​​part and the second snap-fit ​​part, which reduces the fixing and use of screws and improves assembly efficiency. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the appearance of an outdoor unit of an air conditioner according to one embodiment of the present disclosure; Figure 2 This is a schematic diagram of the appearance of an outdoor unit of an air conditioner from another perspective according to one embodiment of the present disclosure; Figure 3 This is a schematic diagram of the appearance of an outdoor unit of an air conditioner from another perspective according to an embodiment of the present disclosure; Figure 4 yes Figure 3 A magnified view of a portion at point A; Figure 5 This is a schematic diagram of the internal structure of an outdoor unit of an air conditioner according to an embodiment of this disclosure; Figure 6 This is a partial structural schematic diagram of an outdoor unit of an air conditioner according to an embodiment of the present disclosure; Figure 7 This is a partial explosion diagram of an outdoor unit of an air conditioner according to one embodiment of this disclosure; Figure 8 This is a schematic diagram of the wiring cover according to one embodiment of the present disclosure; Figure 9 This is a partial cross-sectional view of an outdoor unit of an air conditioner according to an embodiment of the present disclosure. Figure 1 ; Figure 10 This is a partially enlarged cross-sectional view of an outdoor unit of an air conditioner according to an embodiment of this disclosure; Figure 11 This is a schematic diagram of the structure of the isolation plate according to another embodiment of the present disclosure; Figure 12 This is a partial cross-sectional view of an outdoor unit of an air conditioner according to an embodiment of the present disclosure. Figure 2 ; Figure 13 This is a partial cross-sectional view of the outdoor unit of an air conditioner from another perspective according to one embodiment of the present disclosure; Figure 14 This is a partial cross-sectional view of an outdoor unit of an air conditioner according to an embodiment of the present disclosure. Figure 3 ; Figure 15 This is a structural schematic diagram of the wiring cover according to another embodiment of the present disclosure; Figure 16 This is a partial cross-sectional view of an air conditioner outdoor unit according to another embodiment of this disclosure. Figure 1 ; Figure 17 This is a partial cross-sectional view of the wiring cover according to another embodiment of the present disclosure; Figure 18 This is a partial cross-sectional view of an air conditioner outdoor unit according to another embodiment of this disclosure. Figure 2 ; Figure 19 This is a partial cross-sectional view of an air conditioner outdoor unit according to another embodiment of this disclosure. Figure 3 ; Figure 20 This is a partial cross-sectional view of the wiring cover according to yet another embodiment of this disclosure; Figure 21 This is a partial cross-sectional view of an outdoor unit of an air conditioner according to yet another embodiment of this disclosure; Figure 22 This is a partial cross-sectional view of the wiring cover machine according to yet another embodiment of the present disclosure.

[0026] In the above figures: outdoor air conditioner unit 100; casing 1; air inlet 11; air outlet 12; air outlet grille 13; fan cavity 14; compressor cavity 15; chassis 16; first side plate 17; wiring port 18; partition 2; outdoor fan 3; outdoor heat exchanger 4; electrical control box 5; wiring cover 6; wiring cover body 61; second snap-fit ​​part 611; protrusion 612; wire hole 613; air inlet part 614; isolation plate 62; flange 621; first 622; 623; 624; 63; 64; 641; 65; 66; 67; 68; 681; 69; 691; 7; 7; 7; 71; 72; 73; 8; 91; 92; 93; 10; 10; 61; 62; 63; 64; 65; 66; 67; 68; 69; 69; 69; 69; 7; 7; 7; 7; 8; 91; 92; 93; 94; 10; 65; 66; 67; 68; 69 ... Detailed Implementation

[0027] The present invention will now be described in detail through exemplary embodiments. However, it should be understood that, without further description, elements, structures, and features in one embodiment may be advantageously incorporated into other embodiments.

[0028] In this utility model, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application may be combined with other embodiments without conflict.

[0029] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0030] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

[0031] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0032] The outdoor unit 100 of the air conditioner provided in this utility model can have various implementation forms, as detailed below. Figures 1-22 Describe the outdoor unit 100 of the air conditioner.

[0033] It should be noted that the outdoor unit 100, as the outdoor unit of the air conditioner, is usually located outdoors and exchanges heat with the outdoor environment to carry indoor heat to the outside. The air conditioner also includes an indoor unit, which is located indoors and exchanges heat with the indoor environment.

[0034] refer to Figure 1 In one illustrative embodiment of the air conditioner outdoor unit 100 provided by this utility model, the air conditioner outdoor unit 100 includes a housing 1, which is installed outdoors and forms the overall appearance of the air conditioner outdoor unit 100.

[0035] The housing 1 defines an internal space for installing and securing the various components of the outdoor unit 100 of the air conditioner. The housing 1 has a top end and a bottom end, which are the two ends of the housing 1 that are positioned opposite each other in the height direction.

[0036] refer to Figure 1 , Figure 2 The housing 1 may include an air inlet 11. The air inlet 11 is connected to the receiving space and serves as the inlet for external air to flow into the housing 1.

[0037] The housing 1 may include an air outlet 12. The air outlet 12 is connected to the receiving space and serves as the outlet for the heat-exchanged air to flow out of the housing 1.

[0038] Outdoor air from outside the casing 1 enters the casing 1 through the air inlet 11 and is finally exhausted to the outside through the air outlet 12.

[0039] In some embodiments of this application, reference continues to be made to... Figure 1 The outdoor unit 100 of the air conditioner may include an air outlet grille 13, which is connected to the housing 1 and located at the air outlet 12 to serve both the functions of air rectification and air guidance, as well as safety protection.

[0040] It should be noted that the directions described in the text are based on the direction in which the user faces the outdoor unit 100 of the air conditioner. Specifically, the side of the outdoor unit 100 facing the user when in use is defined as the front side, and the opposite side is defined as the rear side. The left and right sides are distinguished by the direction in which the user faces the outdoor unit 100 of the air conditioner.

[0041] In some embodiments of this application, the air inlet 11 may be located on the rear side of the housing 1, and the air outlet 12 may be located on the front side of the housing 1. In this embodiment, the air outlet 12 is located on the front panel of the housing 1.

[0042] Of course, in some other embodiments, the air inlet 11 may also be located on the side of the housing 1, that is, the air inlet 11 may be located on the rear side and / or the side of the housing 1. The air inlet 11 is connected to the fan cavity 14.

[0043] In some embodiments of this application, the outdoor unit 100 of the air conditioner may include an outdoor heat exchanger 4, which is disposed in the casing 1 and is used to exchange heat with the air entering the casing 1 through the air inlet 11. The outdoor heat exchanger 4 is located inside the air inlet 11.

[0044] In some embodiments of this application, the outdoor unit 100 of the air conditioner may include an outdoor fan 3, which is disposed inside the casing 1 and near the air outlet 12. The outdoor fan 3 may be an axial flow fan.

[0045] The outdoor fan 3 can be positioned facing the air outlet 12, that is, the outdoor fan 3 is located between the outdoor heat exchanger 4 and the air outlet 12.

[0046] In this embodiment, the outdoor fan 3 is installed between the outdoor heat exchanger 4 and the air outlet 12. Under the action of the outdoor fan 3, outdoor air enters the housing space through the air inlet 11. The outdoor air exchanges heat with the outdoor heat exchanger 4 in the housing space. The outdoor air after heat exchange is discharged from the housing 1 through the air outlet 12 under the drive of the outdoor fan 3.

[0047] The outdoor unit 100 of the air conditioner may include a compressor, which is located in a housing space within the casing 1.

[0048] It is understood that the housing 1 may include a chassis 16. The chassis 16 serves as the base of the outdoor unit 100 of the air conditioner, providing mounting positions for components such as the compressor, outdoor heat exchanger 4, and outdoor fan 3. The chassis 16 forms the bottom end of the housing 1.

[0049] In some other embodiments, the outdoor fan 3 may include two axial fans spaced apart in a vertical direction. The housing 1 has air outlets 12 corresponding to the two axial fans.

[0050] The outdoor fan 3 with dual axial flow can provide higher air volume and more uniform airflow distribution, improve heat exchange efficiency, and ensure sufficient airflow, thereby enabling more effective heat exchange.

[0051] The air conditioner may include a throttling device for limiting airflow. The throttling device may be located in the outdoor unit 100 or the indoor unit of the air conditioner.

[0052] An air conditioner may include a refrigerant circuit. A refrigerant circuit is formed by connecting pipes between the indoor unit and the outdoor unit 100 of the air conditioner. Through this refrigerant circuit, the air conditioner allows the refrigerant to circulate sequentially through the compressor, condenser, throttling device, and evaporator, enabling it to perform indoor cooling or heating.

[0053] An air conditioner may include an indoor unit, which includes an indoor heat exchanger.

[0054] The indoor heat exchanger and outdoor heat exchanger 4 are used as condensers or evaporators. When the indoor heat exchanger is used as a condenser, the air conditioner is used as a heater in heating mode; when the indoor heat exchanger is used as an evaporator, the air conditioner is used as a cooler in cooling mode.

[0055] Refrigeration and heating cycles include compression, condensation, expansion, and evaporation processes. They provide cooling or heating to the indoor space through the heat absorption and release processes of the refrigerant, thereby regulating the temperature of the indoor space.

[0056] The compressor compresses the refrigerant gas into a high-temperature, high-pressure state and discharges the compressed refrigerant gas, which then flows into the condenser.

[0057] The condenser condenses the compressed, high-temperature, high-pressure gaseous refrigerant into a liquid refrigerant, and the heat is released to the surrounding environment through the condensation process.

[0058] The liquid refrigerant flowing out of the condenser enters the throttling device, which expands the high-temperature, high-pressure liquid refrigerant after condensation in the condenser into a low-pressure liquid refrigerant.

[0059] The low-pressure liquid refrigerant flowing out of the throttling device enters the evaporator. As the liquid refrigerant flows through the evaporator, it absorbs heat and evaporates into a low-temperature, low-pressure refrigerant gas. The low-temperature, low-pressure refrigerant gas returns to the compressor.

[0060] The evaporator achieves its cooling effect by exchanging heat with the material being cooled using the latent heat of refrigerant evaporation. Throughout this entire cycle, the air conditioner regulates the temperature of the indoor space.

[0061] In some embodiments of this application, the interior of the housing 1 defines a communicating fan chamber 14 and a compressor chamber 15. (See reference...) Figure 5 In this embodiment, the fan chamber 14 and the compressor chamber 15 are located on the left and right sides of the housing 1, respectively.

[0062] Of course, in some other embodiments, the fan chamber 14 and the compressor chamber 15 may be located on the right and left sides of the housing 1, respectively.

[0063] Continue to refer to Figure 5 The outdoor unit 100 of the air conditioner may include a partition 2. The partition 2 is disposed in the housing 1 to divide the accommodating space inside the housing 1 into a fan chamber 14 and a compressor chamber 15. The partition 2 is disposed inside the housing 1 along the height direction of the housing.

[0064] In some embodiments of this application, the housing 1 may include a first side plate 17, which forms a press cavity 15. (See reference...) Figure 3 The first side plate 17 forms one end of the housing 1 along its length.

[0065] In some embodiments of this application, reference is made to Figure 5 The outdoor unit 100 of the air conditioner may include an electrical control box 5, which is disposed in the housing space and is used to control the working status of multiple components in the outdoor unit of the air conditioner.

[0066] The electrical control box 5 may include an electrical control board, which is used to receive signals, analyze signals, and issue control commands to realize the electrical control functions of the outdoor unit of the air conditioner.

[0067] It is understandable that an electronic control board may include a PCB board and several electrical components mounted on the PCB board. PCB boards have high integration, provide good support for various components, occupy a small size, and are convenient to process, manufacture, and assemble according to the required electronic control programs and electronic control components.

[0068] In some embodiments of this application, the outdoor unit 100 of the air conditioner may include a wiring assembly connected to the electrical control box 5. The wiring assembly is located within the compressor cavity 15 and is positioned adjacent to the first side plate 17.

[0069] It should be noted that the reference Figure 7 The wiring assembly typically includes a board 10 and terminals and clamps (not shown) fixed on the board 10. The structure of the wiring assembly can be referred to the wiring structure currently on the market, and will not be described in detail here.

[0070] refer to Figure 7 The outdoor unit of the air conditioner may include a wiring port 18, which is located on the first side plate 17 and is used to connect the compressor chamber 15 to the external environment. The wiring assembly is provided corresponding to the wiring port 18.

[0071] In some embodiments of this application, reference is made to Figure 3 , Figure 4 The outdoor unit of the air conditioner may include a wiring cover 6, which is detachably and fixedly connected to the first side plate 17. The wiring cover 6 is installed at the wiring port 18 to cover the wiring port 18. The wiring cover 6 is detachably connected so that the wiring port 18 can be opened.

[0072] The terminal cover 6 provides waterproof and other protection for the wiring assembly. Removing the terminal cover 6 opens the mounting hole, allowing for wiring operations to be performed on the wiring assembly through the terminal port 18, which is very convenient.

[0073] For example, the electrical control box 5 can be positioned horizontally above the partition 2, such as... Figure 5 As shown, the electrical control box 5 can also be located on the side of the partition 2 facing the press chamber 15.

[0074] When the electrical control box 5 is placed horizontally above the partition 2, its two sides are located in the fan cavity 14 and the compressor cavity, respectively. The heat dissipation section of the electrical control box 5 is located in the fan cavity 14, utilizing the airflow generated by the outdoor fan for cooling. However, because this airflow passes through the outdoor heat exchanger and has a high temperature, its cooling effect on the electrical control box 5 is poor. In cases where the airflow temperature is high, the electrical control box 5 may fail to dissipate heat and shut down. The electrical control box 5 installed in the compressor cavity 15 typically uses a refrigerant cooling module for heat dissipation, which is prone to condensation problems.

[0075] To increase airflow within the press chamber 15 and reduce its temperature, thereby lowering the temperature rise of the control board, a heat dissipation channel 7 is provided in the wiring cover 6 in this embodiment. The heat dissipation channel 7 connects the press chamber 15 to the external environment. The rotation of the outdoor fan creates a negative pressure within the fan chamber 14. Under this negative pressure, cool outdoor air can enter the press chamber 15 through the heat dissipation channel 7. The newly entered outdoor air passes through the control board, carrying away its heat, and is finally drawn into the fan chamber 14. The heat dissipation channel 7 helps reduce the temperature of the press chamber 15, thereby lowering the temperature of the PCB board and ultimately extending the lifespan of electrical components and the machine.

[0076] In some embodiments of this application, reference is made to Figure 8 The wiring cover 6 may include a wiring cover body 61, which is located at the wiring port 18 and is detachably connected to the first side plate 17. For example, the wiring cover body 61 and the first side plate 17 are connected by a snap-fit ​​mechanism.

[0077] refer to Figure 15 The wiring cover 61 is hollow inside, and the side of the wiring cover 61 near the press chamber 15 has an opening.

[0078] Continue to refer to Figure 8 The wiring cover 6 may include an isolation plate 62, which is located at the opening of the wiring cover body 61. The isolation plate 62 and the wiring cover body 61 together define a heat dissipation channel 7, and the top of the heat dissipation channel 7 is connected to the press chamber 15.

[0079] In some embodiments of this application, the isolation plate 62 has flanges 621 at opposite ends, and a first snap-fit ​​portion 622 is provided on the flanges 621. (See reference...) Figure 11 The first card receiving part 622 can be a card slot, and multiple first card receiving parts 622 can be provided on the flange 621.

[0080] The wiring cover 61 has second latching parts 611 on opposite sides, and the first latching parts 622 are adapted to connect with the second latching parts 611. Multiple second latching parts 611 are provided corresponding to the first latching parts 622.

[0081] In this embodiment, the connection between the wiring cover 61 and the isolation plate 62 can be quickly completed by the engagement of the first snap-fit ​​part 622 and the second snap-fit ​​part 611, which reduces the number of screws used and eliminates the screw fixing process, thereby improving assembly efficiency.

[0082] In some embodiments of this application, a protrusion 612 is formed at the bottom of the wiring cover 61, and the protrusion 612 is located below the heat dissipation channel 7. A wire-passing hole 613 is provided at the bottom of the protrusion 612, which connects the compressor chamber 15 to the external environment. The connecting wires (including power cords and control data lines) of the outdoor unit of the air conditioner pass through the wire-passing hole 613 of the wiring cover 61 and extend to connect with the terminal block, which is electrically connected to the control box 5.

[0083] The wiring cover 6 may include several air inlets 614, which are disposed on the wiring cover body 61 to connect the heat dissipation channel 7 with the outdoor environment. The air inlets 614 are used to allow air from the outdoor environment to flow into the heat dissipation channel 7. (Reference) Figure 9 In order to increase the air intake area, the air intake 614 is located on the side of the wiring cover 61 facing the isolation plate 62.

[0084] The wiring cover 6 may include an inclined guide plate 63. (See reference) Figure 12 The bottom end of the guide plate 63 is connected to the wiring cover 61, and the top end of the guide plate 63 extends upward at an angle to abut against the isolation plate 62 to form the bottom wall of the heat dissipation channel 7. That is to say, the guide plate 63 is inclined from top to bottom in a direction away from the isolation plate 62.

[0085] If the isolation plate 62 and the wiring cover 61 are not properly installed after being exposed to rain, and there is a gap between the isolation plate 62 and the wiring cover 61, the rainwater entering the heat dissipation channel 7 will flow into the inside of the casing 1 along the gap, causing corrosion inside the casing 1 or short circuits in electrical components.

[0086] To solve this technical problem, refer to Figure 11 The wiring cover 6 may include a guide portion 64, which protrudes from the side of the isolation plate 62 opposite to the compressor cavity 15. The guide portion 64 is disposed opposite to the air inlet portion 614.

[0087] refer to Figure 10 The guide section 64 is located near the deflector plate 63. As a protruding structure on the baffle plate 62, the guide section 64 physically interrupts the path of rainwater flowing along the gap, thus achieving a water-blocking effect.

[0088] The top of the guide section 64 has a guide surface 641, which extends obliquely from top to bottom away from the press chamber 15. When rainwater flows to the bulge, it cannot continue to flow downwards, but is forced to change its flow direction along the oblique guide surface 641 and flow away from the partition plate 62.

[0089] In this embodiment, by providing a guide portion 64 protruding from the isolation plate 62 and placing it close to the guide plate 63, the inclined guide surface 641 of the guide portion 64 can guide the rainwater splashed onto the isolation plate 62 or the guide portion 64 by the air inlet 614, allowing it to flow along the slope of the guide surface 641 to the guide plate 63. The guide plate 63 then further guides the rainwater to flow away from the isolation plate 62, preventing it from flowing into the press chamber 15 through the gap between the isolation plate 62 and the wiring cover 61, causing internal corrosion or short circuit, thus improving the waterproof performance.

[0090] In order to prevent rainwater from accumulating at the bottom of the heat dissipation channel 7, in some embodiments of this application, a drainage part 65 is provided on the wiring cover 61 along the extension direction of the guide plate 63, and the drainage part 65 connects the heat dissipation channel 7 with the external environment.

[0091] refer to Figure 12 Part of the guide plate 63 forms the bottom wall of the drainage section 65. By setting the drainage section 65, a complete drainage path is formed in the heat dissipation channel 7, and rainwater can flow directly along the guide plate 63 to the drainage section 65 and be discharged outside the casing 1 through the drainage section 65, avoiding water accumulation and leakage problems, and further improving the waterproof performance of the wiring cover 6.

[0092] In some embodiments of this application, reference is made to Figure 10 The side of the isolation plate 62 facing away from the press cavity 15 forms an angle α with the guide surface 641. α satisfies: α≥10°, α≤45°, so as to ensure that after the rainwater hits the guide surface 641, it can be discharged out continuously and quickly under the action of gravity component, and will not be stuck due to being too flat, thus effectively improving the guiding effect of the guide surface 641.

[0093] If α < 10°, the guide surface 641 is set almost vertically, and rainwater drips or splashes directly, which may cause the guide part 64 to lose its water-blocking effect. Some rainwater will still flow into the housing 1 along the gap, resulting in poor waterproof performance.

[0094] If α > 45°, the slope of the guide surface 641 is relatively gentle, resulting in insufficient gravity force on the water flow. Rainwater is prone to form a water film on the convex surface and stagnates, failing to drain to the drainage section 65 in a timely manner. Furthermore, the gentle guide surface 641 requires a longer projection distance to create the necessary drop, occupying too much space in the heat dissipation channel 7 and weakening the heat dissipation capacity.

[0095] In some embodiments of this application, reference continues to be made to Figure 10In the direction perpendicular to the isolation plate 62, the protrusion height of the guide part 64 is h, which satisfies: h≥2mm, h≤5mm, so as to ensure that the guide part 64 forms a clear break, intercepts and constricts the water flow, and does not hinder ventilation. Rainwater is guided along the guide surface 641 and flows to the drainage part 65 through the guide plate 63, and is finally discharged to the outside of the casing 1 by the drainage part 65, thus achieving both waterproofing and heat dissipation.

[0096] If h < 2mm, the protrusion height of the guide part 64 is too low, which cannot effectively block and guide rainwater. Under the action of surface tension, rainwater can easily climb over the guide part 64. At the same time, the protrusion height is too small, which makes the water flow too small. The water flow lacks power, is easy to stagnate and form a horizontal water film, and there is still a risk of seeping into the gap.

[0097] If h > 5mm, the guide part 64 protrudes a large size relative to the isolation plate 62, occupying ventilation space and affecting the heat dissipation air intake.

[0098] In some embodiments of this application, a receiving portion 68 is provided at the bottom end of the isolation plate 62. The receiving portion 68 is located on the side of the isolation plate 62 opposite to the compressor chamber 15 and is located below the guide plate 63. For example, the receiving portion 68 can receive rainwater that seeps into the bottom end of the isolation plate 62.

[0099] In this embodiment, a secondary waterproof structure is formed by providing a receiving part 68 at the bottom of the isolation plate 62. In extreme cases, such as when a large amount of water enters or drainage is poor, the secondary protective structure formed by the receiving part 68 can be used to receive rainwater that seeps into the bottom of the isolation plate 62, thereby improving the overall waterproof reliability.

[0100] In some embodiments of this application, a handle 69 is formed on the wiring cover 61, which allows the entire outdoor unit of the air conditioner to be easily lifted and moved. Understandably, the handle 69 can form a handle groove for a person to insert their hand, and the person can apply force to the handle 69 to move the outdoor unit of the air conditioner.

[0101] refer to Figure 13 The handle 69 is located below the guide plate 63, and the handle 69 and the guide plate 63 define a cavity 691.

[0102] The receiving part 68 extends into the cavity 691, and the bottom wall of the receiving part 68 abuts against the handle part 69, so that the partition plate 62, the receiving part 68, the handle part 69, and the guide plate 63 enclose a relatively sealed space. An overflow hole 681 is provided through the receiving part 68 extending into the cavity 691.

[0103] If the wiring cover 61 and the isolation plate 62 are not installed properly, rainwater may still enter the housing 1 through the gap between them under extreme conditions. In this embodiment, a receiving part 68 is provided to collect the water flowing down the gap, and then discharge it into the cavity through the overflow hole 681, preventing water from entering the housing 1. At the same time, the handle part 69 also serves as a hand buckle, achieving multiple functions and reducing the number of parts.

[0104] In some embodiments of this application, the bottom of the handle portion 69 is provided with a through hole, which connects the cavity to the external environment. By adding a through hole to the handle portion 69, water accumulated in the cavity can be drained into the external environment, avoiding water accumulation problems. At the same time, the through hole is hidden at the bottom of the handle portion 69, that is, the opening direction of the through hole is downward, which can effectively prevent rainwater or dust from entering the cavity through the through hole.

[0105] In some embodiments of this application, a plurality of air inlets 614 are arranged in a rectangular pattern, and the plurality of air inlets 614 are arranged in multiple rows along the height direction of the housing 1, thereby increasing the air intake area. Preferably, the guide portion 64 is provided corresponding to the two rows of air inlets 614 at the bottom.

[0106] In some embodiments of this application, reference is made to Figure 11 The isolation plate 62 is provided with a number of reinforcing ribs 623, which extend along the height direction of the casing 1.

[0107] In this embodiment, by setting reinforcing ribs 623, the rigidity and durability of the isolation plate 62 are improved, ensuring that it does not deform during long-term use, and ensuring that the fit gap between the guide plate 63 and the isolation plate 62 remains unchanged for a long time, thus ensuring waterproof stability and reliability.

[0108] For example, continue to refer to Figure 11 Multiple reinforcing ribs 623 are provided. The reinforcing ribs 623 can be a pressed structure on the isolation plate 62. The pressed structure of the reinforcing ribs 623 has high strength. By setting the pressed structure, the isolation plate 62 is ensured to have sufficient support capacity and structural strength, so that the isolation plate 62 can effectively avoid deformation when it is connected and fixed to the wiring cover 61.

[0109] In order to prevent a large amount of rainwater from entering the heat dissipation channel 7 through the air inlet 614, in some embodiments of this application, a water-blocking structure is provided at the air inlet 614 to fundamentally improve the waterproof performance of the wiring cover 6.

[0110] Specifically, reference Figure 17 In the height direction of the housing 1, a ramp 91 is defined between two adjacent air inlets 614. The ramp 91 extends obliquely from top to bottom toward the side away from the partition plate 62.

[0111] The wiring cover 6 may include a first water-blocking part 92, which is located at one end of the ramp 91 near the isolation plate 62 and extends towards the top of the housing 1. That is, the bottom end of the first water-blocking part 92 is connected to one end of the ramp 91, and the top end of the first water-blocking part 92 extends upward along the height direction of the housing 1.

[0112] The wiring cover 6 may include a second water-retaining part 93, which is located at the end of the ramp 91 away from the isolation plate 62 and extends towards the bottom of the housing 1. That is, the top of the second water-retaining part 93 is connected to one end of the ramp 91, and the bottom of the second water-retaining part 93 extends downward along the height direction of the housing 1.

[0113] In this embodiment, by setting the first water-blocking part 92, the second water-blocking part 93 and the ramp part 91, the air inlet part 614 is arranged in a downward-facing "Z"-shaped ventilation hole structure. This not only blocks and weakens the impact of water and water vapor, preventing water and water vapor from directly entering the heat dissipation channel 7, but also allows water to be discharged along the outer surface of the external wiring cover 61. This achieves both heat dissipation and waterproofing advantages, effectively solving the technical problem of the contradiction between heat dissipation and waterproofing.

[0114] In some embodiments of this application, the extension direction of the top surface of the ramp 91 forms an angle θ with the plane perpendicular to the height direction of the housing 1, where θ satisfies: θ ≥ 10°, θ ≤ 15°. This ensures that the inclination angle of the ramp 91 is within a small range, allowing the ramp 91 to have a certain water-blocking capacity while facilitating mold demolding. Furthermore, within this angle range, the ramp 91 also allows rainwater droplets blocked by the first water-blocking part 92 to flow out by gravity and guides outdoor cold air upwards into the heat dissipation channel 7, improving waterproofing and heat dissipation performance.

[0115] If the included angle θ < 10°, the slope 91 is almost horizontal, which means that the slope 91 itself does not have the ability to block water. At the same time, it also causes the water blocked by the first water-blocking part 92 to have insufficient kinetic energy to be discharged under the action of gravity, the water film slides down slowly, and is easily rolled back into the air inlet 614 by the high-speed airflow, which reduces the reliability of waterproofing.

[0116] If the included angle θ > 15°, the air inlet projection area will shrink drastically, and the air volume will decrease at the same height of the air inlet 614. At the same time, the heat dissipation capacity will be weakened, and the mold will be difficult to demold, affecting the processing efficiency.

[0117] In some embodiments of this application, the first water-blocking portion 92 and the second water-blocking portion 93 at both ends of the same air inlet 614 have their orthographic projections on the isolation plate 62 overlapping.

[0118] In this embodiment, physical shielding is achieved by partially overlapping the orthographic projections of the first water-blocking part 92 and the second water-blocking part 93 on the isolation plate 62. This completely blocks the line of sight / path that directly enters the air intake 614 from the outside, increasing the difficulty for outdoor rainwater to enter the heat dissipation channel 7 through the air intake 614, thus improving the waterproof effect without sacrificing heat dissipation performance due to the improved waterproof performance.

[0119] More specifically, the outward tilt of the slope 91 reduces the probability of rainwater directly and vertically entering the air intake 614, playing a preliminary role in blocking / guiding water and allowing raindrops to initially flow outward under the influence of gravity.

[0120] The second water-retaining part 93 is located at the air intake end of the air intake part 614 and bends downward to form an obtuse-angle step. When rainwater splashes onto the wiring cover 61 from above or at an angle, the second water-retaining part 93 can effectively prevent rainwater from directly entering the air intake part 614. At the same time, because the slope part 91 is inclined outward, rainwater is more easily guided to the outside of the second water-retaining part 93 of the adjacent air intake part 614 below and slides down.

[0121] The first water-blocking section 92 is located at the air outlet of the air inlet section 614 and folds upward, forming a welcoming surface on the inner side. Even if a small amount of rainwater breaks through the front defense line (such as the second water-blocking section 93 and the slope section 91), it can still form a shield at the air outlet of the air inlet section 614, further preventing rainwater from continuing to penetrate into the heat dissipation channel 7. The three weakening measures are carried out in sequence, ensuring that water is always discharged along the outer surface, effectively preventing water and water vapor from directly entering the interior of the heat dissipation channel 7, achieving the effect of "water going out the outer path and wind going in the inner path".

[0122] In some embodiments of this application, the ramp portion 91 is integrally formed with the first water-blocking portion 92 and the second water-blocking portion 93, without increasing the number of parts and assembly processes, while maintaining the original wiring cover 61 volume and snap-fit ​​quick-release method. The production line can directly replace it, taking into account both economy and reliability.

[0123] In the above embodiments, the ramp 91 cooperates with the first water-blocking part 92 and the second water-blocking part 93 to make the air inlet 614 a 'Z'-shaped ventilation hole structure. In order to weaken the residual water vapor that the 'Z'-shaped ventilation hole structure cannot completely intercept, in some embodiments of this application, reference is made to... Figures 13-15 A first water baffle 66 is provided on the side of the wiring cover 61 facing the isolation plate 62.

[0124] The first baffle plate 66 is located above the air inlet 614. The first baffle plate 66 is used to block the gas and reduce the kinetic energy of the liquid in the gas so that the liquid with reduced energy can flow downward under the action of gravity and be gathered at the bottom of the heat dissipation channel 7 by the guide plate 63, and discharged to the outside of the casing 1 through the drain part 65 at the bottom to prevent rainwater from accumulating.

[0125] Specifically, reference Figure 15 , Figure 16 The bottom end of the first baffle plate 66 is located above the air inlet 614. The first baffle plate 66 can block and weaken the water vapor that enters through the air inlet 614 and moves upward, reducing the risk of rainwater entering the compressor chamber 15.

[0126] refer to Figure 19 A first connecting portion 71 is formed between the first water baffle 66 and the isolation plate 62. The first connecting portion 71 allows outdoor airflow to pass through, so that water vapor that enters the heat dissipation channel 7 through the air inlet 614 flows to the top of the heat dissipation channel 7 through the first connecting portion 71.

[0127] Continue to refer to Figure 19 The first baffle plate 66 extends at an angle from bottom to top towards the side closest to the isolation plate 62. The first baffle plate 66 is set at an angle, which can guide the outdoor cold airflow entering through the air inlet 614 upward, so that it can flow out more smoothly from the top of the heat dissipation channel 7, thereby improving the air intake efficiency and the waterproof and heat dissipation effects.

[0128] In some embodiments of this application, reference is made to Figure 14 The distance between the upper edge of the orthographic projection of the first baffle plate 66 on the isolation plate 62 and the upper edge of the orthographic projection of the guide plate 63 on the isolation plate 62 is H, and the distance between the top end of the guide part 64 and the top end of the guide plate 63 is L, where L < H / 2.

[0129] In this embodiment, by setting a distance L < H / 2, the guide surface 641 is located in the lower half of the line connecting the two upper edges of the first water baffle 66 and the guide plate 63, ensuring that the guide part 64 is set at the bottom of the air inlet area. Raindrops splashed from the air inlet 614 onto the guide part 64 and the isolation plate 62 above the guide part 64 are collected by the guide surface 641 after impact and transferred to the guide plate 63 in the flow direction, avoiding secondary splashing and leakage problems, and improving the waterproof effect.

[0130] If the distance L ≥ H / 2, the guide section 64, in whole or in part, has moved into the upper half of the area connecting the upper edges of the first baffle plate 66 and the guide plate 63, while the main splash zone of rainwater is located in the lower half. The guide surface 641 is far from the concentrated water droplet impact zone and cannot immediately collect the water film, forming a water-blocking blind zone. Rainwater entering through the air inlet 614 at the bottom of the air inlet area may still seep into the gap between the isolation plate 62 and the wiring cover 61, posing a risk of corrosion and short circuit to the inside of the casing 1.

[0131] In some embodiments of this application, the bottom surface of the first baffle plate 66 forms an angle γ with a plane perpendicular to the height direction, where γ satisfies: γ ≥ 10°, γ ≤ 15°, to ensure that the inclination angle of the first baffle plate 66 is within a small range, facilitating mold demolding. Within this inclination angle range, the first baffle plate 66 can better block water and moisture entering from the air inlet 614, while also guiding cold outdoor air upwards, improving waterproofing and heat dissipation.

[0132] If the included angle γ < 10°, the tilt angle of the first water baffle 66 is too small. In this case, the first water baffle 66 is almost horizontal, and the gravitational force of the water droplets is insufficient. Water easily accumulates and forms a water film on the surface of the baffle, and may even be drawn back by the airflow, flowing upwards beyond the edge of the first water baffle 66, resulting in poor water blocking effect. At the same time, the first water baffle 66 with an excessively small tilt angle also facilitates the upward guidance of cold outdoor air, increasing outdoor resistance and reducing the heat dissipation effect.

[0133] If the included angle γ > 15°, the tilt angle of the first baffle plate 66 will be too large, making it difficult to demold the mold, increasing costs, and easily damaging the rigidity of the wiring cover 61, while also affecting the water vapor blocking effect.

[0134] In order to further reduce water vapor, in some embodiments of this application, a second water baffle 67 is provided on the side of the isolation plate 62 away from the compressor chamber 15, wherein the second water baffle 67 is located above the first water baffle 66.

[0135] The second water baffle 67 is located above the first water baffle 66, forming an alternating water baffle structure. Water and water vapor entering through the air inlet 614 are blocked by the first water baffle 66 and the second water baffle 67 in sequence, thus improving the waterproof rating.

[0136] Continue to refer to Figure 19 The free end of the second baffle plate 67 and the wiring cover 61 form a second connecting part 72 for airflow to pass through. The second baffle plate 67 and the first baffle plate 66 are projected onto each other in the height direction of the housing 1.

[0137] In this embodiment, by setting a second baffle plate 67 above the first baffle plate 66, the first baffle plate 66 and the second baffle plate 67 overlap in the orthographic projection along the height direction of the casing 1, forming a maze path. The airflow needs to continuously bypass the two baffle plates and pass through the first connecting part 71 and the second connecting part 72 before entering the compressor chamber 15. Rainwater is blocked by the two baffle plates in sequence, which improves the waterproof level without increasing wind resistance. When the airflow reaches the compressor chamber 15, it is basically in a waterless state, which can basically completely prevent water and insects from entering the compressor chamber 15.

[0138] In some embodiments of this application, the second baffle plate 67 is disposed at the top of the partition plate 62. (See reference...) Figure 19 The top of the isolation plate 62 and the top of the wiring cover 61 form an air outlet 73, which connects the heat dissipation channel 7 and the compressor chamber 15.

[0139] In this embodiment, the top of the isolation plate 62 and the top of the wiring cover 61 form an air outlet 73, which is located away from the second connecting part 72. Rainwater must climb up two water baffles and cross the entire heat dissipation channel 7 to reach the air outlet 73. Due to gravity and two deflections along the way, the water droplets fall back automatically. Without additional sealing, a natural barrier that is "difficult to climb in heavy rain" is formed, which further improves the waterproof effect.

[0140] In some embodiments of this application, in order to improve the waterproof effect of the wiring cover 6, two overlapping baffles are provided inside the heat dissipation channel 7 to block and weaken the impact of water and water vapor, and to prevent rainwater in the heat dissipation channel 7 from entering the compressor cavity 15.

[0141] Specifically, two baffles are respectively located on the opposing sides of the wiring cover 61 and the isolation plate 62, and are positioned above the air inlet 614. The two baffles are spaced apart along the height direction of the housing 1, and their orthographic projections along the height direction of the housing 1 overlap.

[0142] refer to Figure 21 The first water baffle 66 is defined as the one connected to the wiring cover 61, and the second water baffle 67 is defined as the one connected to the isolation plate 62. The second water baffle 67 is located above the first water baffle 66.

[0143] In this embodiment, two partially overlapping baffles are provided in the height direction of the housing 1 to form a labyrinthine airflow channel, which allows outdoor air to pass through while effectively blocking rainwater, water mist, and water vapor, weakening the impact of rainwater, water mist, and water vapor, preventing them from directly entering the compressor cavity 15, and improving the waterproof level.

[0144] Further reference Figure 21 The outdoor unit 100 of the air conditioner may include a plurality of ventilation sections 8. The plurality of ventilation sections 8 are disposed on two baffles. The ventilation sections 8 are located in the overlapping area of ​​the orthographic projection of the two baffles, and the ventilation sections 8 on the two baffles are staggered in the height direction of the casing 1. That is, the plurality of ventilation sections 8 on the upper and lower baffles are staggered relative to each other in the height direction of the casing 1 and do not overlap.

[0145] refer to Figure 19 , Figure 22Outdoor cold air enters the heat dissipation channel 7 through the air inlet 614. A portion passes sequentially through the first connecting part 71, the second connecting part 72, and the air outlet 73 into the compressor chamber 15. The other portion passes sequentially through the ventilation parts 6 on the first baffle plate 66 and the second baffle plate 67, and then through the air outlet 73 into the compressor chamber 15. Figure 22 The solid arrows shown indicate the direction of the outdoor cold air flow.

[0146] In this embodiment, by setting staggered ventilation sections 8 in the overlapping area of ​​the two baffles, the air circulation area is increased, which increases the heat dissipation inside the compressor chamber 15. This improves the heat dissipation efficiency without sacrificing waterproof performance, thus achieving the dual functions of waterproofing and ventilation.

[0147] In some embodiments of this application, the ventilation area A of the ventilation section 8 satisfies: A≥20 A≤25 This ensures that the ventilation section 8 of the two water baffles achieves the best balance between ventilation and water blocking, so that the wiring cover 6 of the outdoor unit of the air conditioner can dissipate heat smoothly and prevent rainwater from entering, making the whole unit more reliable in operation.

[0148] If the ventilation area A > 25 If the area of ​​a single hole is too large, not only can water droplets and mist pass directly through under the action of surface tension, causing a sharp decrease in the labyrinth effect, but it also affects the waterproofing effect. Willow catkins, small insects, and sand particles can "fly in a straight line" into the press chamber 15, accumulating on the surface of the electrical control board, forming a new heat insulation layer and leakage channel, which in turn reduces the long-term heat dissipation reliability. In addition, the larger the opening, the smaller the cantilever margin, which further affects the structural strength of the baffle.

[0149] If the ventilation area A < 20 If the area of ​​a single hole is small, it will affect the ventilation volume. At the same time, the surface tension of the small hole is high. Not only will rainwater form a water film at the hole opening, blocking the airflow, but dust, impurities and other debris will also easily clog the ventilation hole, which is not conducive to improving the heat dissipation and air intake volume.

[0150] In some embodiments of this application, the isolation plate 62 has a first side facing the wiring cover 61, and a portion of the first side is recessed toward the press chamber 15 to form an air passage 624. The free end of the first baffle plate 66 is disposed near the air passage 624.

[0151] In this embodiment, by providing an air passage 624 recessed towards the compressor cavity 15 on the isolation plate 62, the airflow cross section between the first baffle plate 66 and the isolation plate 62 is increased while ensuring a compact structure. This enhances the intake volume of outdoor cold air and airflow, which is beneficial to improving the heat dissipation effect of the compressor cavity 15.

[0152] In some embodiments of this application, the width w of the overlapping area of ​​the orthographic projection of the two water baffles satisfies: w≥5mm, w≤8mm, so that the maze path length is moderate, the water vapor is forced to turn twice and slide down, the wind resistance is low and the air intake is smooth, which not only improves the waterproof level, but also avoids increasing the volume and cost.

[0153] If w < 5mm, the overlap of the orthographic projections of the two baffles is too short, the airflow turns abruptly, the labyrinth effect is weak, and the ventilation area of ​​the ventilation section 8 is also compressed, the air intake volume is reduced accordingly, and the heat dissipation effect is affected.

[0154] If w > 8mm, the overlap of the orthographic projections of the two baffles is too long, resulting in a winding maze path that significantly increases wind resistance and reduces heat dissipation efficiency. Furthermore, the excessively long overlap necessitates moving the wiring cover 61 outwards to expand capacity, increasing costs.

[0155] It should be noted that the width of the overlapping area of ​​the orthographic projections of the two baffles is in the length direction of the casing 1.

[0156] In some other embodiments of this application, the ventilation section 8 is disposed on the water baffle, and the ventilation section 8 is located in the overlapping area of ​​the orthographic projections of the two water baffles. In this case, the orthographic projections of the ventilation sections 8 on the two water baffles in the height direction of the housing 1 do not overlap.

[0157] In this embodiment, by setting a ventilation section 8 with non-overlapping projections in the overlapping area of ​​the two baffles, the air circulation area is increased, which increases the heat dissipation inside the compressor cavity 15. This improves the heat dissipation efficiency without sacrificing waterproof performance, thus achieving the dual functions of waterproofing and ventilation.

[0158] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

[0159] For ease of explanation, the above description has been provided in conjunction with specific embodiments. However, the above exemplary discussion is not intended to be exhaustive or to limit the embodiments to the specific forms disclosed above. Various modifications and variations can be obtained based on the above teachings. The selection and description of the above embodiments are for the purpose of better explaining the principles and practical applications, thereby enabling those skilled in the art to better utilize the described embodiments and various different variations of embodiments suitable for specific use considerations.

Claims

1. An outdoor unit for an air conditioner, characterized in that, include: The housing defines a fan chamber and a compressor chamber that are connected to each other. The housing includes a first side plate for surrounding the compressor chamber. The top and bottom ends of the housing are two ends that are arranged opposite each other in the height direction. An outdoor fan is installed in the fan cavity; The wiring port is located on the first side plate; A wiring cover is provided at the wiring port, the wiring cover is hollow inside and has an opening on the side near the press cavity; An isolation plate is provided at the opening of the wiring cover, and the isolation plate and the wiring cover together define a heat dissipation channel that connects the top to the press cavity; Several air inlets are provided on the wiring cover to connect the heat dissipation channel with the outdoor environment; A ramp portion is defined between two adjacent air inlets in the height direction of the housing, the ramp portion extending obliquely from top to bottom toward the side away from the partition plate; A first water-blocking part is provided at one end of the slope near the isolation plate, and the first water-blocking part extends towards the top of the casing; The second water-blocking part is located at the end of the slope that is away from the isolation plate, and the second water-blocking part extends toward the bottom end of the housing.

2. The outdoor unit of the air conditioner according to claim 1, characterized in that, The extension direction of the top surface of the ramp forms an angle θ with the plane perpendicular to the height direction of the housing, where θ ≥ 10° and θ ≤ 15°.

3. The outdoor unit of the air conditioner according to claim 1, characterized in that, A first baffle plate is provided on the side of the wiring cover facing the isolation plate. The first baffle plate is located above the air inlet and extends obliquely towards the side close to the isolation plate in a direction from bottom to top. A first connecting part for airflow is formed between the first baffle plate and the isolation plate.

4. The outdoor unit of the air conditioner according to claim 3, characterized in that, A second baffle plate is provided on the side of the isolation plate away from the press cavity. The second baffle plate is located above the first baffle plate. The free end of the second baffle plate forms a second communication part for airflow between it and the wiring cover. The second baffle plate and the first baffle plate coincide in the orthographic projection of the second baffle plate along the height direction of the housing.

5. The outdoor unit of the air conditioner according to claim 3, characterized in that, The bottom surface of the first baffle plate forms an angle γ with the plane perpendicular to the height direction of the housing, where γ ≥ 10° and γ ≤ 15°.

6. The outdoor unit of the air conditioner according to claim 4, characterized in that, The second baffle plate is located at the top of the isolation plate. The top of the isolation plate and the top of the wiring cover form an air outlet. The air outlet connects the heat dissipation channel and the compressor chamber.

7. The outdoor unit of the air conditioner according to any one of claims 1 to 6, characterized in that, The wiring cover is provided with a guide plate, which is inclined and extends to abut against the isolation plate to form the bottom wall of the heat dissipation channel; a drainage part is provided through the wiring cover along the extension direction of the guide plate, and part of the guide plate forms the bottom wall of the drainage part.

8. The outdoor unit of the air conditioner according to claim 7, characterized in that, The wiring cover has a handle portion, which is located below the guide plate and defines a cavity with the guide plate. The bottom end of the isolation plate is provided with a receiving portion that extends into the cavity. The bottom wall of the receiving portion abuts against the handle portion, and an overflow hole is provided through the receiving portion that extends into the cavity.

9. The outdoor unit of the air conditioner according to claim 1, characterized in that, The first and second water-blocking portions at both ends of the same air inlet overlap in their orthographic projections on the isolation plate.

10. The outdoor unit of the air conditioner according to claim 1, characterized in that, The isolation plate has flanges at opposite ends, and a first snap-fit ​​part is provided on the flanges. The wiring cover has a second snap-fit ​​part on opposite sides, and the first snap-fit ​​part and the second snap-fit ​​part are adapted to be connected.

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