High-voltage switch cabinet protection device

Abstract

The utility model belongs to the technical field of high-voltage switch cabinets, and particularly relates to a high-voltage switch cabinet protection device which comprises a sleeve, a movable rod is installed in the sleeve in a sliding mode, a compression spring is fixedly connected between a connecting block and the sleeve, an electrode is assembled on the bottom side of the connecting block, and an electric sheet is installed on the inner bottom side of the sleeve. A protection plate is mounted on the top side of the mounting seat, an air cylinder is mounted in the top side of the switch cabinet body in a penetrating manner, and a warning lamp is mounted on the outer wall of one side of the air cylinder; when an object collides with a protection plate, the protection plate can push a mounting base to move downwards, so that a movable rod is driven to move downwards, a compression spring is stretched, meanwhile, a connecting block moves downwards along with the movable rod, an electrode makes contact with an electric sheet, and a warning lamp gives an alarm; the switch cabinet is protected, the switch cabinet is prevented from being damaged due to falling of objects, and meanwhile the objects on the top side of the protection plate can be removed.

Description

Technical Field

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

[0002] High-voltage switchgear refers to a high-voltage complete set of switchgear used for power generation, transmission, distribution and energy conversion in power systems. It can ensure the safe and stable operation of power systems by controlling, protecting and monitoring power equipment.

[0003] A Chinese patent with announcement number CN115776048A discloses a high-voltage switch cabinet, the key points of its technical solution include a cabinet door on the cabinet body, a fireproof box on the top of the cabinet body near the cabinet door, a winding roller rotatably connected in the fireproof box, a fireproof curtain rolled up on the winding roller, a counterweight bar slidably connected to the cabinet body at one end of the fireproof curtain, the counterweight bar is clamped with the bottom of the cabinet body, and a locking mechanism for limiting the rotation of the winding roller is provided between the winding roller and the cabinet body; a pressure relief port is also provided on the top of the cabinet body, a cover plate is hingedly provided on the pressure relief port, and a driving component for driving the cover plate away from the pressure relief port is provided between the cover plate and the cabinet body; a gas tank containing carbon dioxide is also provided in the cabinet body; a control module is also included, the control module is used to monitor the air pressure and temperature of the cabinet body, to release the lock of the winding roller by the locking mechanism, and to control the opening of the cover plate and the release of carbon dioxide gas from the gas tank; the above structure can reduce the damage to the surrounding environment and personnel when a fire or explosion occurs in the cabinet body, and can effectively reduce the loss.

[0004] However, the above-mentioned high-voltage switchgear still has some problems. In practical applications, the switchgear is usually installed in industrial places such as factories and mines, and is easily hit by falling objects, which will cause a large impact force on the top of the switchgear. If it is not protected, the switchgear and its internal electrical components will be damaged. Therefore, a high-voltage switchgear protection device is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the shortcomings of the prior art and solve the problem that in actual applications, switch cabinets are usually installed in industrial places such as factories and mines, which are prone to falling objects and cause great impact force on the top of the switch cabinet. If no protective operation is performed on it, the switch cabinet and its internal electrical components will be damaged. The utility model proposes a high-voltage switch cabinet protection device.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a high-voltage switch cabinet protection device described in the utility model comprises a switch cabinet body, sleeves are fixedly installed at the four corners of the top side of the switch cabinet body, a movable rod is slidably installed inside the sleeve, a connecting block is fixedly connected to the bottom side of the movable rod, a compression spring is fixedly connected between the top side of the connecting block and the sleeve, the compression spring is sleeved on the outer wall of the movable rod, an electrode is assembled on the bottom side of the connecting block, an electric sheet is installed on the inner bottom side of the sleeve directly below the electrode, a mounting seat is installed on the top side of the movable rod through a pin shaft, a protective plate is installed on the top side of the mounting seat, the panel of the protective plate is much larger than the top side area of ​​the switch cabinet body, a cylinder is installed through the top side of the switch cabinet body, the cylinder is located directly below the protective plate, a warning light is installed on one side outer wall of the cylinder, wherein the warning light is electrically connected to the electrode and the electric sheet, so as to realize the protection operation of the switch cabinet, prevent the falling of objects from causing damage to the switch cabinet, and also can remove the objects on the top side of the protective plate.

[0007] Preferably, two connecting plates are fixedly installed on both sides of the switch cabinet body, and a plurality of buffer springs are fixedly connected to one side of the connecting plates, and a side plate is fixedly connected to one side of the buffer spring, which effectively protects the side wall position of the switch cabinet and prevents the damage of the internal electrical components of the switch cabinet caused by the squeezing of the side wall position, thereby effectively improving the service life of the switch cabinet.

[0008] Preferably, two rotating shafts are symmetrically installed inside the other side of the switch cabinet body, one end of the rotating shaft passes through the switch cabinet body and extends into the interior thereof and is respectively installed with a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are driven and connected by a belt, a protective cover is installed on one side of the switch cabinet body, a driving motor is installed inside the protective cover, one end of the rotating shaft is cooperated and connected with the output end of the driving motor, and one end of the rotating shaft is located inside the switch cabinet body and is installed with three fan blades equidistantly installed, which is convenient for heat dissipation of the switch cabinet, thereby protecting its internal electrical components.

[0009] Preferably, a movable door is installed on one side of the switch cabinet body through a hinge, and a handle is installed on one side of the movable door to facilitate maintenance and inspection of the switch cabinet.

[0010] Preferably, a bracket is fixedly connected to the bottom side of the switch cabinet body, and a heat dissipation hole is opened inside the bottom end of the movable door. The heat dissipation hole and the fan blade are in opposite positions to dissipate the heat inside the switch cabinet in time.

[0011] Preferably, a control panel is installed on one side of the movable door, and the control panel is electrically connected to the warning light, the electrode and the electric sheet, and the cylinder, and is used for signal transmission to the electrode and the electric sheet, and for operational control of the warning light and the cylinder, thereby improving the protective effect of the switch cabinet.

[0012] The utility model is beneficial in that:

[0013] 1. When an object hits the protective plate, the protective plate will push the mounting seat to move downward, thereby driving the movable rod to move downward. When the movable rod moves downward, the compression spring will be stretched, and the connecting block will also move downward. When the connecting block moves downward to a certain position, the electrode will contact the electric sheet, thereby triggering the warning light to sound an alarm. The cylinder is started through the control panel, so that the cylinder pushes one end of the protective plate to move upward under the cooperation of the mounting seat and the pin shaft, so that the object on the protective plate can be removed, realizing the protection operation of the switch cabinet, preventing the falling of objects from causing damage to the switch cabinet, and also being able to remove the object on the top side of the protective plate;

[0014] 2. In the utility model, when an object hits both sides of the switch cabinet body, the switch cabinet body will move to one side, thereby driving the connecting plate to move to one side. When the connecting plate moves, it will compress the buffer spring, thereby absorbing part of the impact force with the cooperation of the damper. The buffer spring can convert the impact force into elastic potential energy through its own elastic deformation, thereby reducing the damage to the switch cabinet body, effectively protecting the side wall position of the switch cabinet, preventing the extrusion of the side wall position from causing damage to the internal electrical components of the switch cabinet, and effectively improving the service life of the switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 This is a schematic diagram of the main structure of the protective device in the utility model;

[0017] Figure 2 This is a schematic diagram of the internal and top main structure of the switch cabinet;

[0018] Figure 3 for Figure 2 The enlarged structural diagram of part A in the middle;

[0019] Figure 4 This is a schematic diagram of the protection structure on both sides of the switch cabinet body;

[0020] Figure 5 This is a schematic diagram of the rear view of the switch cabinet main body.

[0021] In the figure: 1. bracket; 2. switch cabinet body; 3. sleeve; 4. movable rod; 5. connecting block; 6. compression spring; 7. electrode; 8. electric sheet; 9. mounting seat; 10. protective plate; 11. cylinder; 12. warning light; 13. connecting plate; 14. buffer spring; 15. side plate; 16. rotating shaft; 17. driving wheel; 18. driven wheel; 19. belt; 20. protective cover; 21. driving motor; 22. fan blade; 23. movable door; 24. handle; 25. heat dissipation hole; 26. control panel. DETAILED DESCRIPTION

[0022] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-3 As shown, a high-voltage switch cabinet protection device comprises a switch cabinet body 2, wherein sleeves 3 are fixedly installed at the four corners of the top side of the switch cabinet body 2, a movable rod 4 is slidably installed inside the sleeve 3, a connecting block 5 is fixedly connected to the bottom side of the movable rod 4, a compression spring 6 is fixedly connected between the top side of the connecting block 5 and the sleeve 3, the compression spring 6 is sleeved on the outer wall of the movable rod 4, an electrode 7 is assembled on the bottom side of the connecting block 5, an electric sheet 8 is installed on the inner bottom side of the sleeve 3 directly below the electrode 7, a mounting seat 9 is installed on the top of the movable rod 4 through a pin shaft, a protective plate 10 is installed on the top side of the mounting seat 9, the panel of the protective plate 10 is much larger than the top side area of ​​the switch cabinet body 2, a cylinder 11 is installed through the top side of the switch cabinet body 2, the cylinder 11 is located directly below the protective plate 10, a warning light 12 is installed on one side outer wall of the cylinder 11, wherein the warning light 12 is electrically connected to the electrode 7 and the electric sheet 8;

[0024] A control panel 26 is installed on one side of the movable door 23, and the control panel 26 is electrically connected to the warning light 12, the electrode 7, the electric sheet 8 and the cylinder 11, and is used for signal transmission to the electrode 7 and the electric sheet 8, and for operating and controlling the warning light 12 and the cylinder 11; when working, in actual applications, the switch cabinet is usually installed in industrial places such as factories and mines, and is easily hit by objects falling, which will cause a large impact force on the top of the switch cabinet. If it is not protected, the switch cabinet and its internal electrical components will be damaged. When an object hits the protective plate 10, the protective plate 10 will push the mounting seat 9 to move downward, thereby driving the movable rod 4 to move downward. When the movable rod 4 moves downward , the compression spring 6 will be stretched, and the connecting block 5 will also move downward. When the connecting block 5 moves downward to a certain position, the electrode 7 will contact the electric sheet 8, thereby triggering the warning light 12 to sound an alarm. The control panel 26 can receive the signal between the electrode 7 and the electric sheet 8, and control the action of the warning light 12 and the cylinder 11. When the warning light 12 sounds an alarm, the cylinder 11 is started through the control panel 26, so that the cylinder 11 pushes one end of the protective plate 10 to move upward with the cooperation of the mounting seat 9 and the pin shaft, so that the object on the protective plate 10 can be removed, thereby realizing the protection operation of the switch cabinet, preventing the falling of objects from causing damage to the switch cabinet, and also being able to remove the objects on the top side of the protective plate 10.

[0025] See also Figure 4 As shown, two connecting plates 13 are fixedly installed on both sides of the switch cabinet body 2, and a plurality of buffer springs 14 are fixedly connected to one side of the connecting plate 13, and a side plate 15 is fixedly connected to one side of the buffer spring 14; when working, the high-voltage switch cabinet refers to a high-voltage complete switchgear used for power generation, transmission, distribution and power conversion of the power system. It can ensure the safe and stable operation of the power system by controlling, protecting and monitoring the power equipment. When an object hits the two sides of the switch cabinet body 2, the side plate 15 will move to one side, thereby driving the connecting plate 13 to move to one side. When the connecting plate 13 moves, it will compress the buffer spring 14, thereby absorbing part of the impact force under the cooperation of the damper. The buffer spring 14 can convert the impact force into elastic potential energy through its own elastic deformation, thereby reducing the damage to the switch cabinet body 2, effectively protecting the side wall position of the switch cabinet, preventing the extrusion of the side wall position from causing damage to the internal electrical components of the switch cabinet, and effectively improving the service life of the switch cabinet.

[0026] See also Figure 2 , 5As shown, two rotating shafts 16 are symmetrically installed inside the other side of the switch cabinet body 2, one end of the rotating shaft 16 penetrates the switch cabinet body 2 and extends to the inside thereof and is respectively installed with a driving wheel 17 and a driven wheel 18, wherein the driving wheel 17 and the driven wheel 18 are driven and connected by a belt 19, a protective cover 20 is installed on one side of the switch cabinet body 2, a driving motor 21 is installed inside the protective cover 20, one end of the rotating shaft 16 is connected with the output end of the driving motor 21, and one end of the rotating shaft 16 is located inside the switch cabinet body 2 and is installed with three fan blades 22 installed at equal distances;

[0027] A movable door 23 is installed on one side of the switch cabinet body 2 through a hinge, and a handle 24 is installed on one side of the movable door 23;

[0028] The bottom side of the switch cabinet body 2 is fixedly connected with the bracket 1, and the bottom end of the movable door 23 is provided with a heat dissipation hole 25, and the heat dissipation hole 25 is in an opposite position to the fan blade 22; during operation, when the temperature inside the switch cabinet body 2 rises, the drive motor 21 will start and drive the rotating shaft 16 to rotate. When the rotating shaft 16 rotates, it will drive the driving wheel 17 and the driven wheel 18 to rotate, thereby driving the other rotating shaft 16 to rotate through the belt 19. When the two rotating shafts 16 rotate, they will drive the fan blade 22 to rotate, thereby generating airflow, and discharging the heat inside the switch cabinet body 2 through the heat dissipation hole 25. The movable door 23 can be opened by a hinge, which is convenient for maintenance and overhaul of the switch cabinet body 2. The handle 24 can facilitate the operator to open the movable door 23, which is convenient for heat dissipation of the switch cabinet, thereby protecting its internal electrical components.

[0029] Working principle: when the temperature inside the switch cabinet body 2 rises, the driving motor 21 will start, driving the rotating shaft 16 to rotate. When the rotating shaft 16 rotates, it will drive the driving wheel 17 and the driven wheel 18 to rotate, thereby driving another rotating shaft 16 to rotate through the belt 19. When the two rotating shafts 16 rotate, they will drive the fan blades 22 to rotate, thereby generating airflow, and the heat inside the switch cabinet body 2 is discharged through the heat dissipation holes 25. The movable door 23 can be opened by a hinge, which is convenient for maintenance and repair of the switch cabinet body 2. The handle 24 can facilitate the operator to open the movable door 23, which is convenient for heat dissipation of the switch cabinet, thereby protecting its internal electrical components;

[0030] When an object hits the protective plate 10, the protective plate 10 will push the mounting seat 9 to move downward, thereby driving the movable rod 4 to move downward. When the movable rod 4 moves downward, the compression spring 6 will be stretched, and the connecting block 5 will also move downward. When the connecting block 5 moves downward to a certain position, the electrode 7 will contact the electric sheet 8, thereby triggering the warning light 12 to sound an alarm. The control panel 26 can receive the signal between the electrode 7 and the electric sheet 8, and control the action of the warning light 12 and the cylinder 11. When the warning light 12 sounds an alarm, the cylinder 11 is started through the control panel 26, so that the cylinder 11 pushes one end of the protective plate 10 to move upward with the cooperation of the mounting seat 9 and the pin shaft, so that the object on the protective plate 10 can be removed, thereby realizing the protection operation of the switch cabinet, preventing the falling of objects from causing damage to the switch cabinet, and also removing the objects on the top side of the protective plate 10.

[0031] When an object hits both sides of the switch cabinet body 2, the side plate 15 will move to one side, thereby driving the connecting plate 13 to move to one side. When the connecting plate 13 moves, it will compress the buffer spring 14, thereby absorbing part of the impact force with the cooperation of the damper. The buffer spring 14 can convert the impact force into elastic potential energy through its own elastic deformation, thereby reducing the damage to the switch cabinet body 2, effectively protecting the side wall position of the switch cabinet, preventing the extrusion of the side wall position from causing damage to the internal electrical components of the switch cabinet, and effectively improving the service life of the switch cabinet.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A high voltage switch cabinet protection device, characterized in that: The invention comprises a switch cabinet body (2), wherein sleeves (3) are fixedly installed at the four corners of the top side of the switch cabinet body (2), a movable rod (4) is slidably installed inside the sleeve (3), a connecting block (5) is fixedly connected to the bottom side of the movable rod (4), a compression spring (6) is fixedly connected between the top side of the connecting block (5) and the sleeve (3), the compression spring (6) is sleeved on the outer wall of the movable rod (4), an electrode (7) is installed on the bottom side of the connecting block (5), and the inner bottom side of the sleeve (3) is located directly below the electrode (7). There is an electric sheet (8), the top end of the movable rod (4) is installed with a mounting seat (9) through a pin shaft, the top side of the mounting seat (9) is installed with a protective plate (10), the panel of the protective plate (10) is much larger than the top side area of ​​the switch cabinet body (2), a cylinder (11) is installed through the top side of the switch cabinet body (2), the cylinder (11) is located directly below the protective plate (10), and a warning light (12) is installed on one side of the outer wall of the cylinder (11), wherein the warning light (12) is electrically connected to the electrode (7) and the electric sheet (8).

2. A high voltage switch cabinet protection device according to claim 1, characterized in that: Two connecting plates (13) are fixedly installed on both sides of the switch cabinet body (2), one side of the connecting plate (13) is fixedly connected to a plurality of buffer springs (14), and one side of the buffer spring (14) is fixedly connected to a side plate (15).

3. A high voltage switch cabinet protection device according to claim 2, characterized in that: Two rotating shafts (16) are symmetrically installed inside the other side of the switch cabinet body (2), one end of the rotating shaft (16) passes through the switch cabinet body (2) and extends into the interior thereof and is respectively installed with a driving wheel (17) and a driven wheel (18), wherein the driving wheel (17) and the driven wheel (18) are driven and connected by a belt (19), a protective cover (20) is installed on one side of the switch cabinet body (2), a driving motor (21) is installed inside the protective cover (20), one end of the rotating shaft (16) is cooperatively connected with the output end of the driving motor (21), and one end of the rotating shaft (16) is located inside the switch cabinet body (2) and is installed with three equidistantly installed blades (22).

4. A high voltage switch cabinet protection device according to claim 3, characterized in that: A movable door (23) is installed on one side of the switch cabinet body (2) via a hinge, and a handle (24) is installed on one side of the movable door (23).

5. A high voltage switch cabinet protection device according to claim 4, characterized in that: A bracket (1) is fixedly connected to the bottom side of the switch cabinet body (2), and a heat dissipation hole (25) is provided inside the bottom end of the movable door (23), and the heat dissipation hole (25) and the fan blade (22) are in an opposing position.

6. A high voltage switch cabinet protection device according to claim 5, characterized in that: A control panel (26) is installed on one side of the movable door (23). The control panel (26) is electrically connected to the warning light (12), the electrode (7), the electric sheet (8) and the cylinder (11), and is used for signal transmission to the electrode (7) and the electric sheet (8), and for operating and controlling the warning light (12) and the cylinder (11).

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