A power system safety intelligent protection device

By introducing a combination structure of a float and a servo motor into the power system safety protection device, the problem of insufficient waterproof and moisture-proof performance is solved, effective protection of electrical components is achieved, and the service life is extended.

CN119812962BActive Publication Date: 2025-10-24SHENZHEN POWER SUPPLY BUREAU
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Patent Information

Application Number
CN202510027278.6
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-10-24
Estimated Expiration
2045-01-08

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  • Figure CN119812962B_ABST
    Figure CN119812962B_ABST
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Abstract

The application discloses a kind of electric power system safety intelligent protection devices, including cabinet, the position of the bottom end in the cabinet is welded with baffle, the middle part of the bottom end of the baffle has sleeve, the bottom end of the sleeve is provided with float, the float is provided with float ball in.The beneficial effect is that: by setting float ball, press switch, main controller, drive motor, screw rod, screw block, linkage frame and bearing seat, when rainwater is poured into distribution station, float ball will move in the float under the action of rainwater, float ball will finally exert external force on press switch to make it closed, main controller can detect closed signal to control drive motor to work, drive motor drives screw rod to rotate, so that screw block drives bearing seat to move down under the action of screw thread and guide rod, guide block, in turn, bearing seat supports cabinet, increase the gap between the bottom end of cabinet and bottom surface, to avoid being flooded, in turn, waterproof protection is carried out to electrical components.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of power system safety protection device, and particularly relates to a power system safety intelligent protection device. BACKGROUND

[0002] At present, the power distribution automation system is an integrated system for remotely monitoring, coordinating and controlling the equipment of the distribution network. It is a new technology developed in recent years, which is the comprehensive application of modern computer technology and communication technology in power distribution network monitoring and control. In the power distribution automation system, power automation distribution devices are inevitably set in the wild, and power automation distribution device protection devices are necessary.

[0003] The existing power system safety protection device is used by setting the electrical elements in the power system in an explosion-proof cabinet, and the electrical elements are protected by the cabinet. Since the cabinet is usually placed on site, water may enter the explosion-proof cabinet due to heavy rain, which may affect the electrical elements in the cabinet and reduce the waterproof performance of the cabinet. In addition, moisture may enter the cabinet and corrode the electrical elements during use, which may affect the entire power system. The service life of the electrical elements is short, and the moisture-proof performance of the device is poor. Therefore, a power system safety intelligent protection device is needed to solve the above problems. SUMMARY

[0004] The purpose of the present application is to provide a power system safety intelligent protection device to solve the above problems.

[0005] The present application achieves the above-mentioned purposes through the following technical solutions:

[0006] A power system safety intelligent protection device, comprising a cabinet, a partition plate is welded near the bottom end of the cabinet, a sleeve is arranged at the middle of the bottom end of the partition plate, a float is arranged at the bottom end of the sleeve, a floating ball is arranged in the float, a press switch is fixed at the top end of the float, a main controller is arranged in the sleeve, two groups of supports are symmetrically welded on the two side walls of the cabinet, a screw rod is arranged between one group of supports and the bottom wall of the cabinet, a driving motor is connected to one end of the screw rod, a screw block is sleeved on the screw rod, a guide rod is arranged between the other group of supports and the bottom wall of the cabinet, a guide block is sleeved on the guide rod, a linkage frame is fixed on the guide block and the screw block, a bearing seat is fixed at the bottom end of the linkage frame, and a through cavity matching the bearing seat is formed in the bottom wall of the cabinet.

[0007] Further, the float is installed on the bottom end of the sleeve by screws, and the floating ball floats in the float.

[0008] By adopting the technical scheme, when rainwater flows into the power distribution station, the floating ball moves in the floating barrel under the action of the rainwater.

[0009] Further, the push switch is fixed in the floating barrel through a screw, the push switch is electrically connected with the main controller, and the main controller is electrically connected with the driving motor.

[0010] By adopting the technical scheme, the floating ball finally applies an external force to the push switch to make it closed, and the main controller can detect the closed signal to control the driving motor to work.

[0011] Further, the output shaft of the driving motor is rotationally connected with the screw rod, the bottom end of the screw rod is rotationally connected with the cabinet body, and the screw block is threadedly screwed on the screw rod.

[0012] By adopting the technical scheme, the driving motor drives the screw rod to rotate, so that the screw block moves under the action of the thread.

[0013] Further, the guide rod is welded between the cabinet body and the support, the guide block is slidably connected with the guide rod, the linkage frame is welded with the screw block and the guide block, the bearing seat is welded at the other end of the linkage frame, and the through cavity is formed on the bottom wall of the cabinet body.

[0014] By adopting the technical scheme, the guide rod and the guide block are combined to limit and guide the movement of the screw block, the screw block and the guide block drive the bearing seat to move downward through the linkage frame, so that the bearing seat supports the cabinet body, increases the gap between the bottom end of the cabinet body and the bottom surface, and avoids the cabinet body from being flooded.

[0015] Further, two groups of mounting frames are symmetrically arranged on the inner wall of the cabinet body, electrical elements are fixed on the mounting frames through bolts, and a cabinet door is hingedly installed on one side wall of the cabinet body.

[0016] By adopting the technical scheme, the electrical elements control the power system to ensure the stable operation of the power system.

[0017] Further, an exhaust fan is installed at the middle of the top end of the cabinet body, and a dust screen is installed on one side of the exhaust fan.

[0018] By adopting the technical scheme, the exhaust fan exhausts the heat in the cabinet body, and then cools the electrical elements.

[0019] Further, a servo motor is installed on one side of the exhaust fan, a stud is arranged on the output shaft of the servo motor, the bottom end of the stud is rotationally connected with the partition plate, and a threaded sleeve is threadedly installed on the stud.

[0020] Through the adoption of the above technical scheme, the screw post is driven to rotate by the servo motor, and then moves under the action of threads.

[0021] Further, the guide column is welded between the partition plate and the top wall of the cabinet body, and the guide sleeve is sleeved on the guide column.

[0022] Through the adoption of the above technical scheme, the guide column and the guide sleeve can limit and guide the movement of the screw sleeve.

[0023] Further, the drying frame is fixed between the guide sleeve and the screw sleeve, the surface of the drying frame is covered with micropores, and the drying agent is filled in the drying frame.

[0024] Through the adoption of the above technical scheme, the screw sleeve and the guide sleeve drive the drying frame to reciprocate up and down in the cabinet body, so that the drying agent fully absorbs the moisture in the cabinet body, avoiding the erosion of the moisture to the electrical elements.

[0025] The specific working principle is as follows: first, open the cabinet door, fix the electrical elements on the mounting frame, and connect them into the power system, so that the electrical elements control the power system to ensure smooth operation of the power system. In the use process, the exhaust fan exhausts the heat in the cabinet body, thereby cooling the electrical elements. The screw post is driven to rotate by the servo motor, and then moves under the action of threads and the guide sleeve and the guide column, thereby driving the drying frame to reciprocate up and down in the cabinet body, so that the drying agent fully absorbs the moisture in the cabinet body, avoiding the erosion of the moisture to the electrical elements, ensuring the service life of the electrical elements, and protecting the electrical elements from moisture. When rainwater flows into the power distribution station, the float will move in the float tube under the action of rainwater. The float finally exerts an external force on the press switch to close it. The main controller can detect the closing signal to control the driving motor to work. The driving motor drives the screw rod to rotate, so that the screw block moves down under the action of threads and the guide rod and the guide block, thereby supporting the cabinet body, increasing the gap between the bottom end of the cabinet body and the bottom surface, avoiding being flooded, and protecting the electrical elements from water.

[0026] The beneficial effects of the present application are as follows:

[0027] 1. By setting the ball, press switch, main controller, drive motor, screw rod, screw block, linkage frame and bearing seat, when the rainwater flows into the power distribution station, the ball will move in the float under the action of rainwater, the ball will eventually exert an external force on the press switch to make it close, the main controller can detect the closing signal to control the drive motor to work, the drive motor drives the screw rod to rotate, the screw block moves under the action of screw thread and guide rod, guide block, and bearing seat, thereby supporting the cabinet, increasing the gap between the bottom end of the cabinet and the bottom surface, which can avoid being flooded, thereby waterproofing the electrical components;

[0028] 2. By setting the servo motor, drying frame, stud, screw sleeve, guide column and guide sleeve, the servo motor drives the stud to rotate, thereby moving the screw sleeve under the action of screw thread and guide sleeve, guide column, and driving the drying frame to move up and down in the cabinet, thereby allowing the drying agent to fully absorb the moisture in the cabinet, preventing moisture from corroding the electrical components and ensuring the service life of the electrical components, and protecting the electrical components from moisture. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 is a front view of the power system safety intelligent protection device according to the present application;

[0030] Figure 2 is a schematic view of the internal structure of the cabinet in the power system safety intelligent protection device according to the present application;

[0031] Figure 3 is a schematic view of the internal structure of the cabinet when the bearing seat is separated from the cabinet in the power system safety intelligent protection device according to the present application;

[0032] Figure 4 is a main sectional view of the float and sleeve in the power system safety intelligent protection device according to the present application.

[0033] The reference signs are explained as follows:

[0034] 1. cabinet; 2. cabinet door; 3. exhaust fan; 4. servo motor; 5. partition; 6. mounting frame; 7. electrical components; 8. guide column; 9. guide sleeve; 10. stud; 11. screw sleeve; 12. drying frame; 13. screw rod; 14. screw block; 15. support; 16. drive motor; 17. guide rod; 18. guide block; 19. linkage frame; 20. bearing seat; 21. float; 22. cavity; 23. sleeve; 24. ball; 25. press switch; 26. main controller. DETAILED DESCRIPTION

[0035] The application will be further described below with reference to the accompanying drawings:

[0036] As Figures 1-4As shown, a power system safety intelligent protection device, including cabinet 1, the cabinet 1 in the position close to the bottom end welding has baffle 5, the baffle 5 bottom end middle part has sleeve 23, the sleeve 23 bottom end is provided with float 21, the float 21 is provided with float ball 24, can be under the action of rainwater, float, the float 21 inside top is fixed with press switch 25, under the action of float ball 24 can be closed, the sleeve 23 is provided with main controller 26, control drive motor 16 work, the cabinet 1 inside both side walls symmetrically welding has two groups of support 15, one group of support 15 and the bottom wall between the cabinet 1 is installed with screw rod 13, the screw rod 13 one end is connected with drive motor 16, drives screw rod 13 rotation, the screw rod 13 is set with screw block 14, can be under the action of screw thread drive moves, another group of support 15 and the bottom wall between the cabinet 1 is provided with guide rod 17, the guide rod 17 is set with guide block 18, the movement of screw block 14 is guided and limited, the guide block 18 and the screw block 14 are all fixed with linkage frame 19, the linkage frame 19 bottom end is fixed with bearing seat 20, can the cabinet 1 is assisted and supported, increase the clearance between cabinet 1 and bottom surface, the bottom wall of the cabinet 1 is provided with the through cavity 22 that is matched with the specification of bearing seat 20, provides the space for bearing seat 20 to be penetrated.

[0037] In the embodiment, the float 21 is installed at the bottom end of the sleeve 23 by screws, and the float ball 24 floats in the float 21. When rainwater flows into the power distribution station, the float ball 24 moves in the float 21 under the action of rainwater.

[0038] In the embodiment, the press switch 25 is fixed in the float 21 by screws, the press switch 25 is electrically connected with the main controller 26, the main controller 26 is electrically connected with the drive motor 16, the float ball 24 finally applies an external force to the press switch 25 to close it, and the main controller 26 can detect the closing signal to control the drive motor 16 to work.

[0039] In the embodiment, the output shaft of the drive motor 16 is rotationally connected with the screw rod 13, the bottom end of the screw rod 13 is rotationally connected with the cabinet 1, and the screw block 14 is threadedly connected with the screw rod 13. The drive motor 16 drives the screw rod 13 to rotate, so that the screw block 14 moves under the action of threads.

[0040] In this embodiment, the guide rod 17 is welded between the cabinet body 1 and the support 15, the guide block 18 is in sliding connection with the guide rod 17, the linkage frame 19 is welded with the screw block 14 and the guide block 18, the bearing seat 20 is welded at the other end of the linkage frame 19, the through cavity 22 is formed on the bottom wall of the cabinet body 1, the combination of the guide rod 17 and the guide block 18 limits and guides the movement of the screw block 14, the screw block 14 and the guide block 18 drive the bearing seat 20 to move downward through the linkage frame 19, so that the bearing seat 20 supports the cabinet body 1, increases the gap between the bottom end of the cabinet body 1 and the bottom surface, and avoids being flooded.

[0041] In this embodiment, two groups of mounting frames 6 are symmetrically arranged on the inner wall of the cabinet body 1, the electrical elements 7 are fixed on the mounting frames 6 through bolts, the cabinet door 2 is installed on one side wall of the cabinet body 1 through a hinge, and the electrical elements 7 control the power system to ensure the stable operation of the power system.

[0042] In this embodiment, the exhaust fan 3 is installed at the middle of the top end of the cabinet body 1, a dust screen is installed on one side of the exhaust fan 3, the exhaust fan 3 exhausts the heat in the cabinet body 1, and then heats the electrical elements 7.

[0043] In this embodiment, a servo motor 4 is installed on one side of the exhaust fan 3, a stud 10 is arranged on the output shaft of the servo motor 4, the bottom end of the stud 10 is in rotary connection with the partition plate 5, a threaded sleeve 11 is installed on the stud 10 through threads, and the servo motor 4 drives the stud 10 to rotate, so that the threaded sleeve 11 moves under the action of threads.

[0044] In this embodiment, a guide column 8 is arranged on one side of the stud 10, the guide column 8 is welded between the partition plate 5 and the top wall of the cabinet body 1, and a guide sleeve 9 is sleeved on the guide column 8. The combination of the guide column 8 and the guide sleeve 9 can limit and guide the movement of the threaded sleeve 11.

[0045] In this embodiment, a drying frame 12 is fixed between the guide sleeve 9 and the threaded sleeve 11, the surface of the drying frame 12 is covered with micropores, the drying frame 12 is filled with a drying agent, and the threaded sleeve 11 and the guide sleeve 9 drive the drying frame 12 to move up and down in the cabinet body 1, so that the drying agent fully absorbs the moisture in the cabinet body 1, avoiding the erosion of the electrical elements 7 by the moisture.

[0046] Specific working principle is: first open the cabinet door 2 will be described electrical element 7 fixed on the mounting bracket 6 and will be described into the power system, make the electrical element 7 control power system, ensure the smooth operation of power system, in the use process, the exhaust fan 3 will be described in the cabinet 1 heat, in turn the electrical element 7 is cooled, the servo motor 4 drives the stud 10 rotates, in turn make the screw sleeve 11 moves under the action of thread and the guide sleeve 9, the guide column 8, drive the drying frame 12 in the cabinet 1 reciprocating movement, in turn make the drying agent to the cabinet 1 in the moisture is fully absorbed, avoid moisture to the electrical element 7 caused by erosion, ensure the service life of the electrical element 7, the electrical element 7 is protected from moisture, when the rain back into the power station, the ball 24 will be described in the rain in the float 21 moves, the ball 24 eventually will be described on the press switch 25 exert external force to make it closed, the main controller 26 can detect the closed signal control the drive motor 16 work, the drive motor 16 drives the screw rod 13 rotates, make the screw block 14 moves under the action of thread and guide rod 17, guide block 18 drive the bearing seat 20, in turn make the bearing seat 20 support the cabinet 1, increase the gap between the bottom end of the cabinet 1 and the bottom surface, can avoid being flooded, in turn the electrical element 7 is protected from water.

[0047] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above examples, the above examples and the description described in the specification is only to illustrate the principles of the present application, without departing from the spirit and scope of the present application, the present application will have various changes and improvements, these changes and improvements all fall within the scope of the present application.

Claims

1. A power system safety intelligence protection device, characterized in that: Including cabinet (1), the cabinet (1) is welded with the baffle (5) near the bottom end position in, the baffle (5) bottom end middle part has the sleeve (23), the sleeve (23) bottom end is provided with the float (21), the float (21) is provided with the float ball (24), the float (21) top end is fixed with the press switch (25), the sleeve (23) is provided with the main controller (26), the cabinet (1) both side walls are symmetrically welded with two groups of support (15), one group of support (15) and the bottom wall between the cabinet (1) are installed with screw rod (13), one end of screw rod (13) is connected with drive motor (16), screw rod (13) is provided with screw block (14), another group of support (15) and the bottom wall between the cabinet (1) are provided with guide rod (17), guide rod (17) is provided with guide block (18), and the guide block (18) and screw block (14) are all fixed with linkage frame (19), the linkage frame (19) bottom end is fixed with bearing seat (20), the bottom wall of cabinet (1) is provided with the through cavity (22) with the bearing seat (20) specification is matched, the float (21) is installed in the sleeve (23) bottom end through screw, the float ball (24) floats in the float (21), the press switch (25) is fixed in the float (21) through screw, the press switch (25) is electrically connected with the main controller (26), the main controller (26) is electrically connected with the drive motor (16), the output shaft of drive motor (16) is rotatably connected with screw rod (13), and the bottom end of screw rod (13) is rotatably connected with the cabinet (1), and screw block (14) is screwed on screw rod (13).

2. The power system safety intelligent protection device according to claim 1, characterized in that: The guide rod (17) is welded between the cabinet (1) and the support (15), the guide block (18) is slidably connected with the guide rod (17), the linkage frame (19) is welded with the screw block (14) and the guide block (18), the bearing seat (20) is welded at the other end of the linkage frame (19), and the through cavity (22) is formed on the bottom wall of the cabinet (1).

3. The power system safety intelligent protection device of claim 1, wherein: The inner wall of the cabinet (1) is symmetrically provided with two groups of mounting frames (6), the mounting frames (6) are fixed with electrical elements (7) through bolts, and the cabinet door (2) is installed on one side wall of the cabinet (1) through a hinge.

4. The power system safety intelligent protection device of claim 3, wherein: The exhaust fan (3) is installed on the middle part of the top end of the cabinet (1), and a dust screen is installed on one side of the exhaust fan (3).

5. The power system safety shield of claim 4, wherein: A servo motor (4) is installed on one side of the exhaust fan (3), a stud (10) is arranged on the output shaft of the servo motor (4), and the bottom end of the stud (10) is rotatably connected with the baffle (5). The stud (10) is provided with a screw sleeve (11) through a thread.

6. The power system safety shield of claim 5, wherein: The stud (10) is provided with a guide column (8), the guide column (8) is welded between the baffle (5) and the top wall of the cabinet (1), and the guide column (8) is provided with a guide sleeve (9).

7. The power system safety shield of claim 6, wherein: The guide sleeve (9) and the screw sleeve (11) are fixed with a drying frame (12), the surface of the drying frame (12) is covered with micropores, and the drying frame (12) is filled with a drying agent.

Citation Information

Patent Citations

  • Safety performance detection device of power distribution cabinet

    CN119087288A

  • Electric power cabinet with waterproof and crashproof function

    CN206908122U