Waterproof structure of outdoor electric control cabinet

Abstract

The utility model relates to the technical field of electric control cabinets, in particular to a waterproof structure of an outdoor electric control cabinet, which comprises a cabinet body, an air inlet cavity is fixed at the top end of the cabinet body, a plurality of air inlets are arranged on the air inlet cavity, the air inlets are positioned below the top end of the cabinet body, and a plurality of air inlet pipes are vertically arranged at the top end of the cabinet body. The top end of the cabinet body is provided with an adjusting assembly for synchronously sealing the air inlet pipes, the adjusting assembly comprises a connecting plate, an inner pipe fixed to the connecting plate and a communicating hole formed in the side wall of the inner pipe in a penetrating mode, and the inner pipe is of a tubular structure with the top end open and the bottom end sealed; a linear driving mechanism for driving the adjusting assembly to move downwards is arranged in the cabinet body, an elastic reset assembly for driving the adjusting assembly to reset upwards is arranged on the adjusting assembly, and during use, external air enters the air inlet cavity from the air inlet and then enters the cabinet body through the air inlet pipe; and external rainwater can be prevented from directly entering the cabinet body, so that the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric control cabinets, in particular to a waterproof structure of an outdoor electric control cabinet. Background Art

[0002] At present, many electric control cabinets are installed outdoors. In order to facilitate the heat dissipation of internal electrical components, heat dissipation holes are generally opened on the cabinet. However, the heat dissipation holes are directly opened on the side walls of the cabinet, and the sealing is poor, which makes it easy for rainwater to enter the interior of the electric control cabinet and may damage the internal electrical components. Summary of the invention

[0003] The purpose of the utility model is to provide a waterproof structure of an outdoor electric control cabinet to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waterproof structure of an outdoor electric control cabinet, including a cabinet body, an air inlet cavity is fixed at the top of the cabinet body, and a plurality of air inlets are arranged on the air inlet cavity, the air inlets are located below the top of the cabinet body, a plurality of air inlet pipes are vertically arranged at the top of the cabinet body, an adjusting component for synchronously closing the plurality of air inlet pipes is arranged at the top of the cabinet body, and the adjusting component includes a connecting plate, an inner tube fixed on the connecting plate and a connecting hole penetrating the side wall of the inner tube, the inner tube is a tubular structure with an opening at the top and a sealing at the bottom, the inner tube corresponds to the air inlet pipe one by one, and the inner tube is movably inserted in the air inlet pipe, a linear driving mechanism for driving the adjusting component to move downward is arranged inside the cabinet body, and an elastic reset component for driving it to reset upward is arranged on the adjusting component.

[0005] Furthermore, a sealing gasket is provided on the abutting surface between the inner tube and the air intake pipe.

[0006] Furthermore, the bottom end of the inner tube extends to the bottom end of the air intake pipe and is fixed with a limit plate, which abuts against the bottom end of the air intake pipe to limit the upper and lower positions of the inner tube.

[0007] Furthermore, the linear drive mechanism includes a connecting rope fixed to the adjusting assembly, a winding wheel for winding the connecting rope, and a rotating driving member for driving the winding wheel to rotate.

[0008] Furthermore, the rotary drive member is fixed to the top of the cabinet through a bracket, and a guide wheel is rotatably provided on one side of the bracket, and the guide wheel is arranged directly below the connection end of the connecting rope and the adjusting component.

[0009] Furthermore, the elastic reset assembly includes a guide rod vertically fixed to the bottom end of the connecting plate and a spring sleeved on the guide rod, and the bottom end of the guide rod extends to the interior of the cabinet.

[0010] Furthermore, inclined plates are arranged on both sides of the top end of the air inlet cavity in an inclined manner downward.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the waterproof structure of the outdoor electric control cabinet

[0012] By arranging an air inlet cavity and an air inlet at the top of the cabinet, an air inlet pipe is arranged at the top of the cabinet, and the air inlet is lower than the air inlet pipe, external air enters the air inlet cavity from the air inlet, and then enters the cabinet through the air inlet pipe, which can prevent external rainwater from directly entering the cabinet, thereby improving safety;

[0013] By setting the adjustment component, the elastic reset component and the linear drive mechanism, the opening and closing of the air intake pipe can be controlled as needed during operation to meet different work requirements. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is an explosion diagram of the utility model;

[0015] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0016] Figure 3 This is a schematic diagram of the three-dimensional structure of the air intake cavity of the utility model;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the adjustment component of the utility model.

[0018] In the figure: 1. cabinet; 2. air inlet cavity; 201. air inlet; 202. inclined plate; 3. air inlet pipe; 4. adjustment component; 401. connecting plate; 402. inner tube; 403. connecting hole; 404. limit plate; 5. elastic reset component; 501. guide rod; 502. spring; 6. linear drive mechanism; 601. rotary drive member; 602. winding wheel; 603. connecting rope; 604. guide wheel. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. In the description of the utility model, it should be noted that the terms "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In order to make the terms "including" and any variations of them in the specification and claims of the utility model and the above-mentioned drawings, it is intended to cover non-exclusive inclusions.

[0020] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0021] See also Figure 1-4 The utility model provides an embodiment: an outdoor electric control cabinet waterproof structure, including a cabinet 1, an air inlet cavity 2 is fixed at the top of the cabinet 1, and inclined plates 202 are arranged on both sides of the top of the air inlet cavity 2 to prevent rainwater from accumulating at the top of the air inlet cavity 2. In this embodiment, the air inlet cavity 2 is fixed on the top of the cabinet 1 on all four sides, namely the left and right sides, the back side and the top side, and can also be set to other shapes as needed, as long as the upper and lower ends of the air inlet cavity 2 are respectively located on the upper and lower sides of the top of the cabinet 1. The air inlet cavity 2 cooperates with the outer side wall of the cabinet 1 to form a closed cavity inside the air inlet cavity 2, and a plurality of air inlets 201 are arranged on the air inlet cavity 2. The air inlet 201 Located below the top of the cabinet 1, a plurality of air inlet pipes 3 are vertically arranged at the top of the cabinet 1. The air inlet pipes 3 are specifically a tubular structure that passes through from top to bottom. In this embodiment, the air inlet 201 is located at the bottom end of the air inlet cavity 2. External air enters the interior of the air inlet cavity 2 through the air inlet 201, and then enters the interior of the cabinet 1 through the air inlet pipe 3, which facilitates the flow of air. The air inlet 201 is located below the air inlet pipe 3 to prevent rainwater from entering the interior of the cabinet 1. At the same time, rainwater is not easy to accumulate inside the air inlet cavity 2. In order to reduce the influence of air humidity, an openable and closable movable door (not shown in the figure) can also be provided on the air inlet cavity 2 to facilitate the addition or replacement of desiccant into the air inlet cavity 2.

[0022] The top of the cabinet 1 is provided with an adjusting component 4 for closing a plurality of air inlet pipes 3 synchronously, and the adjusting component 4 comprises a connecting plate 401, an inner tube 402 fixed on the connecting plate 401, and a connecting hole 403 penetratingly arranged on the side wall of the inner tube 402, the inner tube 402 is a tubular structure with an opening at the top and a sealing at the bottom, the inner tube 402 corresponds to the air inlet pipe 3 one by one, and the inner tube 402 is movably plugged into the inside of the air inlet pipe 3, and the opening and closing of the air inlet pipe 3 is realized by adjusting the upper and lower positions of the connecting hole 403, that is, when the connecting hole 403 is located outside the bottom end of the air inlet pipe 3, the cabinet 1 is connected to the inside of the air inlet cavity 2, and when the connecting hole 403 is located inside the air inlet pipe 3, the cabinet 1 is not connected to the inside of the air inlet cavity 2, and further, a humidity sensor can be installed inside the cabinet 1, and when the humidity is too high, the air inlet pipe 3 is closed by the adjusting component 4;

[0023] The cabinet 1 is provided with a linear drive mechanism 6 for driving the adjustment component 4 to move downward. The linear drive mechanism 6 includes a connecting rope 603 fixed to the adjustment component 4, a reel 602 for reeling the connecting rope 603, and a rotating drive member 601 for driving the reel 602 to rotate. The rotating drive member 601 may be a motor. The rotating drive member 601 drives the reel 602 to rotate forward or reversely to realize the retraction and release of the connecting rope 603.

[0024] The rotating driving member 601 is fixed to the top of the cabinet 1 through a bracket, and a guide wheel 604 is rotatably provided on one side of the bracket. The guide wheel 604 is provided just below the connection end of the connecting rope 603 and the adjusting component 4. The connecting rope 603 is fixed to the winding wheel 602 after passing around the guide wheel 604, so as to facilitate the vertical up and down pulling of the adjusting component 4.

[0025] The adjusting component 4 is provided with an elastic reset component 5 for driving it to reset upward. The elastic reset component 5 includes a guide rod 501 vertically fixed at the center of the bottom end of the connecting plate 401 and a spring 502 sleeved on the guide rod 501. The bottom end of the guide rod 501 extends to the inside of the cabinet 1. In this embodiment, the connecting rope 603 is specifically fixedly connected to the guide rod 501, the top end of the spring 502 abuts against the connecting plate 401, and the bottom end abuts against the top end of the cabinet 1. When the connecting rope 603 is unwound, the spring 502 pushes the connecting plate 401 to reset upward, and then drives the inner tube 402 to move upward. Further, in order to improve the stability of the up and down movement of the connecting plate 401, the number of the guide rod 501 and the spring 502 can be provided in plurality;

[0026] In one embodiment, a sealing gasket is provided on the abutting surface between the inner tube 402 and the air intake pipe 3, and when the communicating hole 403 of the inner tube 402 is received inside the air intake pipe 3, the sealing performance can be improved;

[0027] The bottom end of the inner tube 402 extends to the bottom end of the intake pipe 3 and is fixed with a limit plate 404. The limit plate 404 abuts against the bottom end of the intake pipe 3 to limit the upper and lower positions of the inner tube 402. In this embodiment, the limit plate 404 extends vertically from the bottom edge of the inner tube 402, which can play a role in mechanically limiting the inner tube 402 to prevent it from separating from the intake pipe 3. Furthermore, the limit plate 404 can also be set on the guide rod 501.

[0028] Working principle: Under normal conditions, the winding wheel 602 is driven to rotate by rotating the driving member 601, and then the connecting rope 603 is wound around the winding wheel 602, pulling the connecting plate 401 and the inner tube 402 downward, so that the connecting hole 403 is located at the bottom end of the air inlet pipe 3, and the external air enters the interior of the air inlet cavity 2 through the air inlet port 201, and then enters the interior of the inner tube 402, and enters the interior of the cabinet 1 through the connecting hole 403, so as to realize the flow of air and prevent rainwater from entering the interior of the cabinet 1. When the external humidity is too high, the driving member 601 is reversed by rotating, and the winding wheel 602 drives the connecting rope 603 to unwind, and the spring 502 pushes the connecting plate 401 to reset upward, and the inner tube 402 moves upward synchronously inside the air inlet pipe 3, and the connecting hole 403 abuts against the inner wall of the air inlet pipe 3 to achieve sealing.

[0029] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A waterproof structure of an outdoor electric control cabinet, comprising a cabinet body (1), characterized in that: An air intake cavity (2) is fixed at the top of the cabinet (1), and a plurality of air intake ports (201) are arranged on the air intake cavity (2), and the air intake ports (201) are located below the top of the cabinet (1). A plurality of air intake pipes (3) are vertically arranged at the top of the cabinet (1), and an adjustment component (4) for synchronously closing the plurality of air intake pipes (3) is arranged at the top of the cabinet (1), and the adjustment component (4) comprises a connecting plate (401), an inner tube (401) fixed on the connecting plate (401), and a plurality of air intake ports (201) arranged on the top of the cabinet (1). 2) and a connecting hole (403) penetrating the side wall of the inner tube (402), the inner tube (402) being a tubular structure with an open top and a sealed bottom, the inner tube (402) corresponding to the air inlet pipe (3) one by one, and the inner tube (402) being movably plugged into the air inlet pipe (3), the cabinet (1) being provided with a linear drive mechanism (6) for driving the adjustment component (4) to move downward, and the adjustment component (4) being provided with an elastic reset component (5) for driving it to reset upward.

2. The waterproof structure of the outdoor electric control cabinet according to claim 1 is characterized in that: A sealing gasket is provided on the abutting surface between the inner tube (402) and the air intake pipe (3).

3. The waterproof structure of the outdoor electric control cabinet according to claim 1 is characterized in that: The bottom end of the inner tube (402) extends to the bottom end of the air intake pipe (3) and is fixed with a limit plate (404), which abuts against the bottom end of the air intake pipe (3) to limit the upper and lower positions of the inner tube (402).

4. The waterproof structure of the outdoor electric control cabinet according to claim 1 is characterized in that: The linear drive mechanism (6) comprises a connecting rope (603) fixed to the adjustment assembly (4), a reel (602) for reeling in the connecting rope (603), and a rotating drive member (601) for driving the reel (602) to rotate.

5. The waterproof structure of the outdoor electric control cabinet according to claim 4 is characterized in that: The rotary drive member (601) is fixed to the top of the cabinet (1) via a bracket, and a guide wheel (604) is rotatably provided on one side of the bracket. The guide wheel (604) is provided directly below the connection end of the connecting rope (603) and the adjusting component (4).

6. The waterproof structure of the outdoor electric control cabinet according to claim 1 is characterized in that: The elastic reset assembly (5) comprises a guide rod (501) vertically fixed to the bottom end of the connecting plate (401) and a spring (502) sleeved on the guide rod (501), wherein the bottom end of the guide rod (501) extends to the interior of the cabinet (1).

7. The waterproof structure of the outdoor electric control cabinet according to claim 1 is characterized in that: Inclined plates (202) are provided on both sides of the top end of the air inlet cavity (2) in a manner inclined downward.

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