An electric control box and air conditioner

Abstract

The embodiment of the application provides an electric control box and an air conditioner, and relates to the technical field of refrigeration equipment, the electric control box comprises a box body, a radiator and a drainage structure, a heat dissipation cavity and an electric control mounting cavity are formed in the inside of the box body, and the box body is provided with a heat dissipation channel which is communicated between the inside and the outside of the heat dissipation cavity, and the radiator is mounted in the heat dissipation cavity; the drainage structure comprises a first drainage part and a second drainage part, the first drainage part is arranged in the heat dissipation cavity and is used for guiding water of the radiator to the heat dissipation channel to be discharged, and the second drainage part is arranged below the radiator and is used for discharging water flowing down from the radiator to the outside of the box body, in the scheme of the embodiment of the application, through the joint action of the first drainage part and the second drainage part, water at the radiator can be guided to the outside of the heat dissipation cavity, so that the water is prevented from flowing into the electric control mounting cavity, and the long-term stability of the electric control box is improved.

Description

Technical Field

[0001] This application relates to the technical field of refrigeration equipment, specifically to an electrical control box and an air conditioner. Background Technology

[0002] Current refrigeration equipment generally has an electrical control box. The electrical components inside the control box control the corresponding refrigeration equipment. Since the control box usually contains electrical components such as circuit boards and control chips, these components generate heat during operation. Therefore, heat dissipation holes or channels need to be set on the box to dissipate heat from the electrical components, thereby ensuring the reliability of the operation of the electrical components.

[0003] However, for refrigeration equipment such as air conditioners, the electrical control box is usually located in the outdoor unit of the air conditioner. On rainy days, the outdoor fan can easily blow water droplets into the electrical control box from the heat dissipation holes or heat dissipation channels. When these water droplets flow inside the electrical control box, if they enter the area of ​​electrical components, they can easily cause short circuits in the electrical components, affecting their reliability. Utility Model Content

[0004] This application provides an electrical control box and an air conditioner, aiming to improve the long-term reliability of existing electrical control boxes.

[0005] On one hand, embodiments of this application provide an electronic control box, including:

[0006] The box body has a heat dissipation cavity and an electrical control mounting cavity inside, and the box body is equipped with a heat dissipation channel connecting the inside and outside of the heat dissipation cavity;

[0007] A heat sink is installed in the heat dissipation cavity; and,

[0008] The drainage structure includes a first drainage section and a second drainage section. The first drainage section is disposed inside the heat dissipation cavity and is used to guide water from the radiator to the heat dissipation channel for discharge. The second drainage section is disposed below the radiator and is used to discharge water flowing down from the radiator to the outside of the box.

[0009] In some embodiments, the heat sink includes a heat-conducting plate and heat dissipation fins disposed on the side of the heat-conducting plate away from the electronic control mounting cavity;

[0010] The heat dissipation channel is located below the heat dissipation fins.

[0011] In some embodiments, the first drainage section includes a drainage groove disposed in the housing, one end of the drainage groove being connected to the heat dissipation channel for guiding water outside the heat dissipation channel to the heat dissipation channel.

[0012] In some embodiments, a plurality of drainage channels are provided along the periphery of the heat dissipation channel; and / or,

[0013] The drainage channel is arranged to gradually slope downwards in the direction close to the heat dissipation channel.

[0014] In some embodiments, the second drain portion is located below the first drain portion; and / or,

[0015] The second drainage section is disposed between the first drainage section and the electrical control mounting cavity.

[0016] In some embodiments, the portion of the housing located at the bottom of the heat dissipation cavity is stepped, the step comprising a first step surface located above and a second step surface located below;

[0017] The heat dissipation channel and the first drainage section are disposed on the first step surface, and the second drainage section includes a drainage hole opened on the second step surface.

[0018] In some embodiments, the second step surface is provided with an upwardly projecting support protrusion, which is used to support the radiator to separate the bottom surface of the radiator from the drain hole.

[0019] In some embodiments, a water-blocking rib is provided on the side of the second step surface near the electrical control mounting cavity, and the step further includes a connecting surface connecting the first step surface and the second step surface;

[0020] The water-blocking ribs are spaced apart from the connecting surface to define a water storage tank.

[0021] In some embodiments, the second step surface is provided with an upwardly projecting support protrusion, and the water-blocking rib is spaced apart from the support protrusion; and / or,

[0022] The water-blocking ribs are spaced apart from the radiator.

[0023] On the other hand, embodiments of this application provide an air conditioner, including an electrical control box as described in any of the above descriptions.

[0024] In the embodiments of this application, by setting the first drainage section, water at the radiator can be guided to the heat dissipation channel for discharge, thereby allowing a portion of the water to be discharged from the heat dissipation cavity through the heat dissipation channel. The second drainage section is set below the radiator, and the remaining water that does not discharge from the heat dissipation channel will flow down the radiator and be discharged from the second drainage section. Thus, through the combined action of the first drainage section and the second drainage section, water at the radiator can be guided to the outside of the heat dissipation cavity, preventing it from flowing into the electrical control mounting cavity and improving the long-term stability of the electrical control box. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the installation of the electrical control box provided in some embodiments of this application at the outdoor unit;

[0027] Figure 2 yes Figure 1 Exploded view of the electrical control box in the middle;

[0028] Figure 3 yes Figure 2 A three-dimensional structural diagram of the box in the diagram;

[0029] Figure 4 yes Figure 2 The front view of the box in the middle;

[0030] Figure 5 yes Figure 4 Cross-sectional view at point AA;

[0031] Figure 6 yes Figure 1 Front view of the electrical control box in the middle;

[0032] Figure 7 yes Figure 6 Sectional view at point BB;

[0033] Figure 8 yes Figure 7 A magnified view of a portion of the image.

[0034] Explanation of key component symbols:

[0035]

[0036] Detailed Implementation

[0037] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0038] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application 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, and therefore should not be construed as a limitation of this application. Furthermore, 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 indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of the stated features. In the description of this application, "a plurality of" means two or more, unless otherwise explicitly specified.

[0039] "A and / or B" includes the following three combinations: A only, B only, and a combination of A and B.

[0040] The use of "applies to" or "configured to" in this application implies open and inclusive language, which does not exclude the applicability to or configuration to devices performing additional tasks or steps. Additionally, the use of "based on" implies openness and inclusivity, because processes, steps, calculations, or other actions "based on" one or more of the stated conditions or values ​​may in practice be based on additional conditions or values ​​beyond those stated.

[0041] In this application, the term "exemplary" is used to mean "used as an example, illustration, or description." Any embodiment described as "exemplary" in this application is not necessarily to be construed as being more preferred or advantageous than other embodiments. The following description is provided to enable any person skilled in the art to make and use this application. Details are set forth in the following description for purposes of explanation. It should be understood that those skilled in the art will recognize that this application can be made without using these specific details. In other instances, well-known structures and processes are not described in detail to avoid obscuring the description of this application with unnecessary detail. Therefore, this application is not intended to be limited to the embodiments shown, but is consistent with the broadest scope of the principles and features disclosed in this application.

[0042] Current refrigeration equipment generally has an electrical control box. The electrical components inside the control box control the corresponding refrigeration equipment. Since the control box usually contains electrical components such as circuit boards and control chips, these components generate heat during operation. Therefore, heat dissipation holes or channels need to be set on the box to dissipate heat from the electrical components, thereby ensuring the reliability of the operation of the electrical components.

[0043] However, for refrigeration equipment like air conditioners, the electrical control box is usually located in the outdoor unit. On rainy days, the outdoor fan can easily spray water droplets into the electrical control box through the heat dissipation holes or channels. Once these water droplets enter the area of ​​electrical components, they can easily cause short circuits and affect the reliability of the electrical components.

[0044] Please see Figures 2 to 8 In this regard, an embodiment of the present application provides an electrical control box 50, which includes a box body 60, a radiator 70, and a drainage structure. The box body 60 has a heat dissipation cavity 61 and an electrical control mounting cavity 65 formed inside it, and the box body 60 is equipped with a heat dissipation channel 62 that connects the inside and outside of the heat dissipation cavity 61. The radiator 70 is installed in the heat dissipation cavity 61. The drainage structure includes a first drainage section and a second drainage section. The first drainage section is disposed in the heat dissipation cavity 61 and is used to guide the water from the radiator 70 to the heat dissipation channel 62 for discharge. The second drainage section is disposed below the radiator 70 and is used to discharge the water flowing down from the radiator 70 to the outside of the box body 60.

[0045] It should be noted that the heat dissipation cavity 61 and the electrical control mounting cavity 65 can be connected or separated by a partition. No limitation is made here. In some embodiments, the heat dissipation cavity 61 and the electrical control mounting cavity 65 are connected. With this configuration, the heat sink 70 can better transfer the heat in the electrical control mounting cavity 65 to the heat dissipation cavity 61.

[0046] The form of the components installed in the electrical control mounting cavity 65 is not limited. It can be a circuit board 80, an electrical control element, etc., and is not limited here.

[0047] The specific implementation of the radiator 70 is not limited; it can be a finned radiator, a water-cooled radiator, an air-cooled radiator, etc., and is not limited here.

[0048] The specific implementation of the heat dissipation channel 62 is not limited. It can be a single channel or a combination of multiple channels. It can be located on the top, side, or bottom of the box body 60. No limitation is made here.

[0049] The specific implementation form of the refrigeration equipment using the electronic control box 50 is not limited. It can be applied to an air conditioner, a freezer, an outdoor beverage refrigerator, a vending machine, etc. There are no restrictions here.

[0050] By providing the first drainage section, the water at the radiator 70 can be guided to the heat dissipation channel 62 for discharge. This ensures that after the water enters the heat dissipation cavity 61 from the heat dissipation channel 62 and comes into contact with the radiator 70, a portion of the water is guided by the first drainage section to the heat dissipation channel 62 and then discharged from the heat dissipation channel 62 into the heat dissipation cavity 61. Specifically, the implementation of the first drainage section is not limited; it can be in the form of a guide plate, for example, a guide plate can be placed between the radiator 70 and the heat dissipation channel 62 to guide the water at the radiator 70 to the heat dissipation channel 62, preventing water from flowing everywhere and entering the electrical control mounting cavity 65, thus avoiding damage to electrical components. Of course, the first drainage section can also be in the form of a drainage groove formed on the housing 60, etc., and is not limited here.

[0051] The form of the second drainage section is not limited; it can be in the form of a drainage channel, or in the form of a drainage hole 67, etc., and is not limited here.

[0052] In the embodiment of this application, by setting the first drainage section, water at the radiator 70 can be guided to the heat dissipation channel 62 for discharge, thereby allowing a portion of the water to be discharged from the heat dissipation cavity 61 through the heat dissipation channel 62. The second drainage section is set below the radiator 70, and the remaining water that does not discharge from the heat dissipation channel 62 will flow down the radiator 70 and be discharged from the second drainage section. Thus, through the combined action of the first drainage section and the second drainage section, water at the radiator 70 can be guided to the outside of the box 60, preventing it from flowing into the electrical control mounting cavity 65, thereby improving the long-term stability of the electrical control box 50.

[0053] Please refer to this carefully. Figure 2 and Figure 8 In some embodiments, the heat sink 70 includes a heat-conducting plate 71 and heat dissipation fins 72 disposed on the side of the heat-conducting plate 71 away from the electrical control mounting cavity 65; the heat dissipation channel 62 is disposed below the heat dissipation fins 72.

[0054] Specifically, the heat sink 70 includes a heat-conducting plate 71 and heat dissipation fins 72 disposed on the side of the heat-conducting plate 71 away from the electrical control mounting cavity 65. The heat-conducting plate 71 can absorb or conduct heat to the electrical components, transferring the heat from the electrical components to the heat dissipation fins 72. When air passes through the heat dissipation fins 72, it can exchange heat with the heat dissipation fins 72, thereby quickly removing the heat from the heat dissipation fins 72 and dissipating heat from the electrical components inside the electrical control box 50.

[0055] In addition, in some embodiments, the heat-conducting plate 71 can also isolate the water in the heat dissipation cavity 61 to a certain extent, preventing water from entering the electrical control mounting cavity 65 from the heat dissipation cavity 61.

[0056] The heat dissipation channel 62 is located below the heat dissipation fins 72. On the one hand, when water enters the heat dissipation cavity 61 through the heat dissipation channel 62, it is easiest to directly contact the heat dissipation fins 72, thereby improving the heat exchange effect of the heat dissipation fins 72. On the other hand, it allows the water at the heat dissipation fins 72 to flow out from the heat dissipation channel 62 under its own gravity.

[0057] Furthermore, in some embodiments, the first drainage section includes a drainage groove 63 disposed on the housing 60, one end of the drainage groove 63 being connected to the heat dissipation channel 62, for guiding water outside the heat dissipation channel 62 to the heat dissipation channel 62.

[0058] In this embodiment, by setting the drainage groove 63, the water droplets dripping from the heat-conducting plate 71 can be collected and then guided to the heat dissipation channel 62 to be discharged from the heat dissipation cavity 61, thus preventing the water from spreading to the electrical control mounting cavity 65.

[0059] Specifically, the number of drainage channels 63 is not limited; it can be one, two, three, or four, and is not limited here.

[0060] Please refer to this carefully. Figure 2 and Figure 3 In some embodiments, multiple drainage channels 63 are provided along the periphery of the heat dissipation channel 62. By providing multiple drainage channels 63, water from more areas can be guided to the heat dissipation channel 62 for discharge, thereby improving the drainage effect.

[0061] In some embodiments, the drainage channel 63 is arranged to gradually slope downwards in the direction close to the heat dissipation channel 62. With this arrangement, water entering the drainage channel 63 can flow towards the heat dissipation channel 62 under its own gravity.

[0062] Furthermore, in some embodiments, the top surface of the spacer between the plurality of drainage grooves 63 is gradually inclined downward in the direction close to the heat dissipation channel 62, so that when water droplets from the radiator 70 fall onto the spacer, a portion of the water will flow to the drainage groove 63 and be guided from the drainage groove 63 to the heat dissipation channel 62, while another portion of the water will be directly guided to the heat dissipation channel 62 by the top surface of the spacer.

[0063] The positional relationship between the first drainage section and the second drainage section is not limited. They can be arranged in parallel, vertically, partially overlapping, or staggered. No limitation is made here.

[0064] In some embodiments, the second drain section is located below the first drain section. With this arrangement, water that is not guided by the first drain section can flow along the radiator 70 to the second drain section and then be discharged by the second drain section, thereby improving the drainage effect.

[0065] In some embodiments, the second drainage section is disposed between the first drainage section and the electrical control mounting cavity 65. That is, in the horizontal direction, the first drainage section and the second drainage section are arranged sequentially or at intervals, thereby enabling drainage of water left in different parts of the radiator 70 and improving the drainage effect.

[0066] Please refer to this carefully. Figures 2 to 5In some embodiments, the portion of the housing 60 located at the bottom of the heat dissipation cavity 61 is stepped, and the housing 60 includes a first stepped surface 64 located above and a second stepped surface 66 located below; wherein, the heat dissipation channel 62 and the first drainage part are disposed on the first stepped surface 64, and the second drainage part includes a drainage hole 67 opened on the second stepped surface 66.

[0067] In the scheme of this embodiment, the heat dissipation channel 62 and the first drainage part are disposed on the first step surface 64, and the second drainage part includes a drainage hole 67 opened on the second step surface 66, so that the first drainage part and the second drainage part do not overlap in the vertical and horizontal directions. The two can drain water droplets dripping from different places of the radiator 70 respectively. The division of labor between the two is clear and the drainage performance is good.

[0068] Furthermore, in some embodiments, the second stepped surface 66 is provided with an upwardly projecting support protrusion 68, which is used to support the radiator 70 to separate the bottom surface of the radiator 70 and the drain hole 67.

[0069] In the scheme of this embodiment, since the second step surface 66 is provided with a support protrusion 68 to support the radiator 70, when the radiator 70 is supported by the support protrusion 68, the bottom of the radiator 70 will be separated from the second step surface 66. On the one hand, this allows the water in the radiator 70 to flow down better and to drain into the drain hole 67 more quickly. On the other hand, this gap can store water and prevent the water from flowing to other places due to a large volume of water.

[0070] The number of the support protrusions 68 is not limited; there may be one, two, three, etc., and no limitation is made here. In some embodiments, multiple support protrusions 68 are provided, and the support protrusions 68 are arranged at intervals, so that water in the radiator 70 can flow along the support protrusions 68 to the drain hole 67.

[0071] In some embodiments, a water-blocking rib 69 is provided on the side of the second step surface 66 near the electrical control mounting cavity 65, and the step also includes a connecting surface connecting the first step surface 64 and the second step surface 66; the water-blocking rib 69 is spaced apart from the connecting surface to define a water storage tank 661.

[0072] In the solution of this embodiment, by setting the water-blocking rib 69, on the one hand, the water in the heat dissipation cavity 61 can be blocked to prevent it from entering the electrical control mounting cavity 65. On the other hand, the water-blocking rib 69 is set at intervals with the connecting surface to define the water storage tank 661. When the water volume is large, the water flowing down from the radiator 70 can be temporarily stored to prevent it from flowing to the electrical control mounting cavity 65.

[0073] It should be noted that the height of the water-blocking rib 69 can be higher than the height of the supporting protrusion 68, lower than the height of the supporting protrusion 68, or the two can be set at the same level; no limitation is made here.

[0074] In some embodiments, the height of the water-blocking rib 69 is higher than that of the support protrusion 68. On the one hand, this allows the water storage tank 661 to store more water, and on the other hand, it prevents water at the support protrusion 68 from flowing along the water-blocking rib to the electrical control mounting cavity 65.

[0075] In some embodiments, the water-blocking ribs 69 and the supporting protrusions 68 are spaced apart, which can better isolate the water flow.

[0076] In some embodiments, the water-blocking rib 69 is spaced apart from the radiator 70. This arrangement effectively prevents water from the radiator 70 from flowing to the top of the water-blocking rib 69 and then flowing along the water-blocking rib 69 into the electrical control mounting cavity 65, thereby improving the waterproofing effect.

[0077] Please refer to this carefully. Figures 6 to 8 In the solution of this application, when water enters the heat dissipation cavity 61 from the heat dissipation channel 62, the water is hit by the radiator 70. A portion of the water drips from the heat dissipation fins 72 of the radiator 70. Most of this water flows out from the heat dissipation channel 62 along the first drainage section. The remaining water flows along the connecting surface to the second step surface 66 and flows out from the drainage hole 67. The water that does not drip from the heat dissipation fins 72 flows down the heat conduction plate 71 and flows out from the drainage hole 67. This allows the water in the radiator 70 to be smoothly discharged from the electrical control box 50. Furthermore, by setting the water baffle 69, water in the water storage tank 661 is prevented from flowing into the electrical control installation area, thus achieving dry and wet separation between the heat dissipation cavity 61 and the electrical control installation cavity 65 in the electrical control box 50.

[0078] This utility model also proposes an air conditioner, which includes an electrical control box 50. The specific structure of the electrical control box 50 is as described in the above embodiments. Since the electrical control box 50 adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought about by the technical solutions of the above embodiments, which will not be described in detail here.

[0079] Please see Figure 1 Furthermore, in some embodiments, the outdoor unit 100 of the air conditioner is provided with a partition 10, which divides the inner cavity of the outdoor unit 100 into a fan installation area and a component installation area. The electrical control box 50 is embedded in the partition 10, and the heat dissipation cavity 61 is at least partially located in the fan installation area, and the electrical control installation cavity 65 is at least partially located in the component installation area. This arrangement allows the airflow of the fan installation area to be directly used to dissipate heat from the heat dissipation cavity 61, improving the heat dissipation efficiency. The fact that the electrical control installation cavity 65 is at least partially located in the component installation area also facilitates wiring between the electrical control box 50 and other components.

[0080] The electrical control box and air conditioner provided in the embodiments of this application have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of this application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of this application. Therefore, the content of this specification should not be construed as a limitation of this application.

Claims

1. An electric control box, characterized by, include: The box body has a heat dissipation cavity and an electrical control mounting cavity inside, and the box body is equipped with a heat dissipation channel connecting the inside and outside of the heat dissipation cavity; A radiator is installed in the heat dissipation cavity; as well as, The drainage structure includes a first drainage section and a second drainage section. The first drainage section is disposed inside the heat dissipation cavity and is used to guide water from the radiator to the heat dissipation channel for discharge. The second drainage section is disposed below the radiator and is used to discharge water flowing down from the radiator to the outside of the box.

2. The electrical control box according to claim 1, characterized in that, The heat sink includes a heat-conducting plate and heat dissipation fins disposed on the side of the heat-conducting plate away from the electrical control mounting cavity; The heat dissipation channel is located below the heat dissipation fins.

3. The electrical control box according to claim 2, characterized in that, The first drainage section includes a drainage groove disposed in the box body, one end of which is connected to the heat dissipation channel to guide water outside the heat dissipation channel to the heat dissipation channel.

4. The electrical control box according to claim 3, characterized in that, Multiple drainage channels are provided along the periphery of the heat dissipation channel; and / or, The drainage channel is arranged to gradually slope downwards in the direction close to the heat dissipation channel.

5. The electrically controlled box according to claim 1, wherein The second drainage section is disposed below the first drainage section; and / or, The second drainage section is disposed between the first drainage section and the electrical control mounting cavity.

6. The electrical control box according to any one of claims 1 to 5, wherein The portion of the box body located at the bottom of the heat dissipation cavity is stepped, and the box body includes a first stepped surface located at the top and a second stepped surface located at the bottom; The heat dissipation channel and the first drainage section are disposed on the first step surface, and the second drainage section includes a drainage hole formed on the second step surface.

7. The electrical control box according to claim 6, characterized in that, The second step has an upwardly protruding support protrusion, which is used to support the radiator to separate the bottom surface of the radiator from the drain hole.

8. The electrical control box according to claim 6, characterized in that, The second stepped surface is provided with a water-blocking rib on the side near the electrical control mounting cavity, and the box body also includes a connecting surface connecting the first stepped surface and the second stepped surface; The water-blocking ribs are spaced apart from the connecting surface to define a water storage tank.

9. The electrical control box according to claim 8, characterized in that, The second step surface has an upwardly protruding support protrusion, and the water-blocking rib is spaced apart from the support protrusion; and / or, The water-blocking ribs are spaced apart from the radiator.

10. An air conditioner, characterized in that, Includes the electrical control box as described in any one of claims 1 to 9.

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