High-voltage cabinet

Abstract

The utility model discloses a high-voltage cabinet, which comprises a cabinet body, an installation cavity is arranged in the cabinet body, a first chamber and a second chamber are respectively arranged above and below the installation cavity in the cabinet body, heat dissipation holes are arranged on two sides of the outer wall of the cabinet body, and a shielding assembly is arranged on the surface of the inner wall of the installation cavity and is opposite to the heat dissipation holes. Air inlets are formed in the center of the first cavity and the center of the second cavity correspondingly, fan assemblies are arranged in the air inlets, driving devices are fixedly installed at the positions, located on the two sides of the air inlets, in the first cavity, and the driving devices are connected with shielding assemblies through connecting rods. And the bottom and the top of the mounting cavity are movably connected with filter screens opposite to the air inlet. In combination with the structural design of the utility model, the design structure is simple and reasonable, and the problems in the background technology can be effectively solved through the structural arrangement, so that the outdoor use safety coefficient is improved, and the practicability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage cabinets, in particular to a high-voltage cabinet. Background Art

[0002] High-voltage switchgear refers to electrical products with voltage levels ranging from 3.6kV to 550kV, used for switching, controlling, or protecting power generation, transmission, distribution, conversion, and consumption in power systems. These products primarily include high-voltage circuit breakers, high-voltage disconnectors and earthing switches, high-voltage load switches, high-voltage automatic reclosers and sectionalizers, high-voltage operating mechanisms, high-voltage explosion-proof distribution devices, and high-voltage switchgear. The high-voltage switchgear manufacturing industry is a crucial component of the power transmission and transformation equipment manufacturing industry and plays a crucial role in the entire power industry. High-voltage distribution cabinets installed outdoors, in particular, are prone to moisture, dust, and other impurities entering the cabinet due to the complex outdoor environment, potentially causing short circuits within the cabinet and potentially leading to accidents. Summary of the Invention

[0003] The purpose of the present invention is to provide a high-voltage cabinet to solve the problem mentioned in the background art that due to the complex outdoor environment, impurities such as water vapor and dust can easily enter the interior of the high-voltage cabinet, thereby causing a short circuit in the internal circuit of the high-voltage cabinet and easily causing accidents.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a high-voltage cabinet, comprising a cabinet body, an installation cavity being provided in the cabinet body, a first chamber and a second chamber being provided in the cabinet body above and below the installation cavity respectively, heat dissipation holes being provided on both sides of the outer wall of the cabinet body, a shielding assembly being provided on the inner wall surface of the installation cavity at a position relative to the heat dissipation holes, air inlets being provided at the centers of the first chamber and the second chamber respectively, a fan assembly being provided in the air inlet, a driving device being fixedly installed in the first chamber at both sides of the air inlet, the driving device being connected to the shielding assembly through a connecting rod, and a filter being movably connected at the bottom and top of the installation cavity at positions relative to the air inlet.

[0005] Preferably, the front end of the cabinet is located at a position relative to the installation cavity and is fixedly connected to a door body through a hinge, and the front end of the cabinet is located at a position relative to the first cavity and the second cavity and is fixedly installed with a dust cover.

[0006] Preferably, a top cover extending toward both sides of the outer wall of the cabinet is fixedly mounted on the top of the cabinet body, and a plurality of water guide grooves are provided on the top surface of the top cover.

[0007] Preferably, the shielding assembly includes a fixed block, a shielding plate and a connecting block. The fixed block is fixedly installed on the inner wall of the installation cavity on both sides of the heat dissipation hole. Slide grooves are symmetrically opened on the surfaces of the two fixed blocks. The shielding plate is slidably connected in the slide groove. The shielding plate is fixedly connected to the connecting block at one end away from the heat dissipation hole.

[0008] Preferably, a threaded hole is provided in the middle of the surface of the connection block, and the threaded hole is threadedly connected to the connecting rod.

[0009] Preferably, the fan assembly includes an inlet fan, a fan motor and a mounting bracket, the mounting bracket is fixedly mounted on both sides of the air inlet surface, the fan motor is fixedly mounted on the top of the mounting bracket, and the fan motor is fixedly connected to the inlet fan through the mounting bracket.

[0010] Preferably, movable grooves are provided on the bottom and top surfaces of the installation cavity on both sides of the air inlet, the bottom of the filter is located at a position relative to the movable groove and is fixedly connected to a movable block, and the movable block is movably connected in the movable groove.

[0011] Preferably, a control panel is installed on the door body, and the control panel is electrically connected to the driving device and the fan motor.

[0012] Beneficial effects

[0013] Compared with the existing technology, the beneficial effects of the present invention are:

[0014] Combined with the structural design of the utility model, its design structure is simple and reasonable. The setting of the above structure can effectively solve the problems raised in the background technology, thereby improving the safety factor of outdoor use and improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic structural diagram of a fan assembly of the present utility model;

[0018] Figure 4 This is an enlarged structural diagram of point A of the present utility model;

[0019] Figure 5 This is an enlarged structural diagram of point B of the present invention.

[0020] 1. Cabinet; 2. Installation cavity; 3. Heat dissipation holes; 4. Shielding components; 5. Door; 6. Dust cover; 7. Top cover;

[0021] 8. Second chamber; 9. First chamber; 10. Drive device; 11. Air inlet; 12. Fan assembly;

[0022] 13. Filter; 21. Movable slot; 41. Fixed block; 42. Shielding plate; 43. Connecting block; 44. Threaded hole;

[0023] 45. Chute; 51. Control panel; 71. Water channel; 101. Connecting rod; 121. Fan motor;

[0024] 122. Inlet fan; 123. Mounting bracket; 131. Movable block. DETAILED DESCRIPTION

[0025] The following will clearly and completely describe the technical solutions of the present invention in conjunction with the embodiments. Obviously, the embodiments described are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be noted that the terms "upper," "lower," "left," "right," "front," "back," "inner," "outer," "vertical," and "horizontal" and the like, indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of the present invention and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation, and are therefore not to be construed as limitations on the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

[0027] like Figure 1-5It is a structural schematic diagram of a high-voltage cabinet in a preferred embodiment of the present invention. In this embodiment, a high-voltage cabinet includes a cabinet body 1, an installation cavity 2 is opened in the cabinet body 1, and a first cavity 9 and a second cavity 8 are respectively opened above and below the installation cavity 2 in the cabinet body 1. The arrangement of the cavity can exchange air with the outside air. Heat dissipation holes 3 are opened on both sides of the outer wall of the cabinet body 1 to facilitate heat dissipation in the cabinet body 1. A shielding component 4 is provided on the inner wall surface of the installation cavity 2 at a position relative to the heat dissipation hole 3. The blocking component 4 is used to block the heat dissipation hole 3 to prevent impurities such as water vapor and dust from entering the cabinet body 1. Air inlets 11 are respectively opened at the centers of the first cavity 9 and the second cavity 8. Air inlets 11 are provided in the air inlet 11. The fan assembly 12 accelerates the exchange of the internal temperature of the cabinet 1 with the external temperature. A driving device 10 is fixedly installed on both sides of the air inlet 11 in the first chamber 9, and the driving device 10 is connected to the shielding assembly 4 through a connecting rod 101. This structural design controls the shielding assembly 4 through the driving device 10. A filter 13 is movably connected at the bottom and top of the installation cavity 2 relative to the air inlet 11 to prevent dust and other impurities from entering the cabinet 1 from the first chamber 9 and the second chamber 8. Combined with the structural design of the present invention, its design structure is simple and reasonable. The setting of the above structure can effectively solve the problems raised in the background technology, thereby improving its safety factor for outdoor use and making it more practical.

[0028] In this embodiment, the front end of the cabinet body 1 is located at a position relative to the installation cavity 2 and is fixedly connected to a door body 5 through a hinge. A dust cover 6 is fixedly installed at the front end of the cabinet body 1 at a position relative to the first cavity 9 and the second cavity 8. The above structural design plays a protective role for the cabinet body 1 and prevents impurities such as water vapor and dust from entering the cabinet body 1.

[0029] In this embodiment, a top cover 7 extending toward both sides of the outer wall of the cabinet 1 is fixedly installed on the top of the cabinet 1. By extending the top cover 7 toward both sides of the outer wall of the cabinet 1, rainwater and the like can be effectively prevented from entering through the heat dissipation holes 3, and a plurality of water guide grooves 71 are opened on the top surface of the top cover 7 to prevent rainwater and the like from accumulating on the surface of the top cover 7.

[0030] In this embodiment, the shielding assembly 4 includes a fixed block 41, a shielding plate 42 and a connecting block 43. The fixed block 41 is fixedly installed on the inner wall of the installation cavity 2 on both sides of the heat dissipation hole 3. Slide grooves 45 are symmetrically opened on the surfaces of the two fixed blocks 41, and the shielding plate 42 is slidably connected in the slide grooves 45, and the shielding plate 42 is fixedly connected to the end of the shielding plate 42 away from the heat dissipation hole 3. A threaded hole 44 is opened in the middle of the surface of the connecting block 43, and the threaded hole 44 is threadedly connected to the connecting rod 101. At the same time, a thread is opened on the surface of the connecting rod 101, and the threaded hole 44 has the same thread pitch as the thread on the surface of the connecting rod 101, so that the output rotation of the driving device 10 drives the connecting rod 101 to rotate, and the connecting rod 101 rotates, and the shielding plate 42 threadedly connected thereto produces a sliding effect in the slide groove 45.

[0031] In this embodiment, the fan assembly 12 includes an inlet fan 122, a fan motor 121 and a mounting bracket 123. The mounting bracket 123 is fixedly installed on both sides of the surface of the air inlet 11. The mounting bracket 123 plays a role of fixed installation. The fan motor 121 is fixedly installed on the top of the mounting bracket 123. The fan motor 121 passes through the mounting bracket 123 and is fixedly connected to the inlet fan 122. This structural design drives the inlet fan 122 to rotate through the output rotation of the fan motor 121.

[0032] In this embodiment, movable grooves 21 are provided on the bottom and top surfaces of the installation cavity 2 on both sides of the air inlet 11, and a movable block 131 is fixedly connected to the bottom of the filter 13 at a position relative to the movable groove 21, and the movable block 131 is movably connected to the movable groove 21. Its structural design facilitates the replacement of the filter 13 during subsequent use.

[0033] In this embodiment, a control panel 51 is installed on the door body 5 , which is electrically connected to the driving device 10 and the fan motor 121 , and the operation of the driving device 10 and the fan motor 121 is realized through the control panel 51 .

[0034] The above content is a further detailed description of the present invention in combination with specific implementation methods. It cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, they can make several simple deductions or substitutions without departing from the concept of the present invention, which should be regarded as falling within the scope of protection determined by the claims submitted for the present invention.

Claims

1. A high-voltage cabinet, comprising a cabinet body (1), characterized in that: The cabinet (1) is provided with an installation cavity (2), and a first cavity (9) and a second cavity (8) are provided in the cabinet (1) above and below the installation cavity (2), respectively. Heat dissipation holes (3) are provided on both sides of the outer wall of the cabinet (1), and a shielding assembly (4) is provided on the inner wall surface of the installation cavity (2) at a position relative to the heat dissipation holes (3). An air inlet (11) is provided at the center of the first cavity (9) and the second cavity (8), and a fan assembly (12) is provided in the air inlet (11). A driving device (10) is fixedly installed on both sides of the air inlet (11) in the first cavity (9), and the driving device (10) is connected to the shielding assembly (4) through a connecting rod (101). A filter (13) is movably connected to the bottom and top of the installation cavity (2) at a position relative to the air inlet (11).

2. A high-voltage cabinet according to claim 1, characterized in that: The front end of the cabinet (1) is located at a position relative to the installation cavity (2) and is fixedly connected to a door body (5) via a hinge. The front end of the cabinet (1) is located at a position relative to the first cavity (9) and the second cavity (8) and is fixedly installed with a dust cover (6).

3. A high-voltage cabinet according to claim 2, characterized in that: A top cover (7) extending toward both sides of the outer wall of the cabinet (1) is fixedly mounted on the top of the cabinet (1), and a plurality of water guide grooves (71) are provided on the top surface of the top cover (7).

4. The high-voltage cabinet according to claim 1, characterized in that: The shielding assembly (4) comprises a fixed block (41), a shielding plate (42) and a connecting block (43); the fixed block (41) is fixedly mounted on the inner wall of the mounting cavity (2) and located on both sides of the heat dissipation hole (3); two surfaces of the fixed blocks (41) are symmetrically provided with sliding grooves (45); the shielding plate (42) is slidably connected in the sliding grooves (45); and the shielding plate (42) is fixedly connected to the connecting block (43) at one end away from the heat dissipation hole (3).

5. A high-voltage cabinet according to claim 4, characterized in that: A threaded hole (44) is provided in the middle of the surface of the connecting block (43), and the threaded hole (44) is threadedly connected to the connecting rod (101).

6. The high-voltage cabinet according to claim 1, characterized in that: The fan assembly (12) comprises an inlet fan (122), a fan motor (121) and a mounting frame (123); the mounting frame (123) is fixedly mounted on both sides of the surface of the air inlet (11); the fan motor (121) is fixedly mounted on the top of the mounting frame (123); and the fan motor (121) passes through the mounting frame (123) and is fixedly connected to the inlet fan (122).

7. The high-voltage cabinet according to claim 1, characterized in that: The bottom and top surfaces of the installation cavity (2) are provided with movable grooves (21) on both sides of the air inlet (11); the bottom of the filter (13) is located at a relative position to the movable groove (21) and is fixedly connected to a movable block (131), and the movable block (131) is movably connected in the movable groove (21).

8. The high-voltage cabinet according to claim 2, characterized in that: A control panel (51) is installed on the door body (5), and the control panel (51) is electrically connected to the driving device (10) and the fan motor (121).

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