Intelligent high-voltage isolating switch

Abstract

The invention discloses an intelligent high-voltage isolating switch, and relates to the technical field of high-voltage isolating switches, the intelligent high-voltage isolating switch comprises a supporting base, a first fixing frame is arranged in the middle of one side of the supporting base, a first motor is arranged on the first fixing frame, and the first motor is fixedly connected with a driving column rotationally connected with the supporting base through the output end of the first motor; the driving column is fixedly connected with a driving gear, one side of the driving gear is connected with a transmission gear in an engaged mode, and the transmission gear is coaxially and fixedly provided with a transmission column rotationally connected with the supporting base. According to the invention, switching-off, switching-on and grounding work after switching-off of the disconnecting switch are carried out in an electric control mode, compared with an existing manual adjustment mode, automatic adjustment is carried out, both the speed and the proficiency are guaranteed (operation differences of different operators do not exist), and subsequent work can be judged and decided according to actual working conditions; working of the disconnecting switch is automatically and intelligently adjusted, and the working efficiency is remarkably improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of high-voltage disconnectors, in particular to an intelligent high-voltage disconnector. BACKGROUND

[0002] The high-voltage disconnector is mainly used as a switch in the electrical system of a power plant and a substation, and is difficult to obtain in daily life. The high-voltage disconnector is an important switch in the electrical system of a power plant and a substation, and needs to be used in conjunction with a high-voltage circuit breaker. Its main function is to ensure the safety of high-voltage electrical appliances and devices during maintenance work, to isolate voltage, and cannot be used to cut off, put in load current and open short-circuit current, and can only be used for certain switching operations that do not produce strong arcs, that is, it does not have arc extinguishing function. According to the installation location, it is divided into indoor and outdoor types, and according to the number of insulating supports, it is divided into single-column, double-column and three-column types, and there are optional devices for each voltage level.

[0003] The existing high-voltage disconnectors mostly adopt a manual operation mode to control the opening and closing of the high-voltage disconnector and grounding after opening, and the operation speed mainly depends on the strength and proficiency of the operator. Generally, the working speed is relatively slow, which will affect the working efficiency of the disconnector.

[0004] Therefore, the skilled in the art provides an intelligent high-voltage disconnector to solve the problems raised in the background art. SUMMARY

[0005] The purpose of the present application is to provide an intelligent high-voltage disconnector to solve the problems raised in the background art.

[0006] To achieve the above-mentioned application purposes, the technical scheme adopted by the present application is as follows: The application provides a smart high-voltage isolator, which comprises a supporting base, a first fixing frame is arranged in the middle of one side of the supporting base, a first motor is arranged on the first fixing frame, a driving column connected with the supporting base in a rotating mode is fixedly connected to the output end of the first motor, a driving gear is fixedly connected to the driving column, a transmission gear is meshingly connected to one side of the driving gear, a transmission column connected with the supporting base in a rotating mode is coaxially fixedly installed on the transmission gear, rotating gears are meshingly connected to the transmission gear and the driving gear, rotating columns connected with the supporting base in a rotating mode are coaxially fixedly installed on the rotating gears, the rotating columns and the rotating gears are arranged at the top corners of the supporting base, a transmission wheel is arranged on the outer wall of each rotating column below the rotating gear, a transmission belt is transmissionally connected to the transmission wheel, a support post insulator is fixedly connected to the top of each rotating column, a moving contact is arranged on the top of the support post insulator on the same side of the front end, a static contact is arranged on the top of the support post insulator on the other side of the rear end, a grounding box is fixedly connected to one side of the static contact, a terminal block is arranged on the top of the moving contact and the static contact, and a grounding knife switch is rotationally connected to the supporting base through the rotating assemblies arranged on the two sides of the supporting base.

[0007] Preferably, the rotating assembly comprises a rotating shaft rotationally arranged in the inner cavity of the supporting base and fixedly connected with the grounding knife switch, and a second fixing frame is arranged on one side of the supporting base, and a second motor fixedly connected with the rotating shaft is arranged on the second fixing frame.

[0008] Preferably, the support insulator comprises an insulating shell arranged at the top end of the rotating column, and ceramic sleeves are equidistantly arranged on the outer wall of the insulating shell.

[0009] Preferably, the terminal block comprises a terminal plate arranged on the top of the moving contact and the static contact, terminal columns are arranged at the four corners of the surface of the terminal plate, and a terminal hole is formed in the surface of each terminal column.

[0010] Preferably, guide plates are arranged on the two side walls of the inner cavity of the terminal box, and a buffer pad matched with the grounding knife switch is arranged at the rear end of the inner cavity of the terminal box.

[0011] Preferably, grounding rods are arranged below the front end and the rear end of the supporting base, and reinforcing ribs in a cross shape are arranged between the grounding rods.

[0012] Preferably, a grounding plate is arranged at the bottom end of each grounding rod, mounting holes are arranged at the four corners of the surface of the grounding plate, mounting bolts are movably arranged in each mounting hole, and mounting washers matched with the surface of the grounding plate are arranged on the mounting bolts.

[0013] Preferably, limiting plates matched with the grounding knife switch are arranged on the two sides of the front end of the supporting base.

[0014] Compared with the prior art, the above one or more technical solutions have the following beneficial effects: The intelligent high-voltage isolating switch provided by the application adopts an electric control mode for the opening and closing of the isolating switch and the grounding work after the opening, and the automatic adjustment has guarantee in speed and proficiency compared with the existing manual adjustment mode (there is no operation difference between different operators), can judge and determine the subsequent work according to the actual working condition, and the device realizes automatic and intelligent adjustment of the isolating switch work, and the work efficiency is also significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings accompanying the specification of the application form part of the application and serve to provide further understanding of the application, and the illustrative embodiments of the application and their description serve to explain the application without constituting an improper limitation thereof.

[0016] Figure 1 is a schematic view of the overall perspective three-dimensional structure of the application; Figure 2 is a schematic view of the Figure 1 isometric structure of the application; Figure 3 is a schematic view of the Figure 1 is an enlarged schematic view of position A in the application; Figure 4 is a schematic view of the Figure 2 is an enlarged schematic view of position B in the application; Figure 5 is a schematic view of the terminal block structure of the application; Figure 6 is a schematic view of the Figure 1 is an enlarged schematic view of position C in the application; Figure 7 is a schematic view of the front view plane structure of the application.

[0017] 1, support base; 2, first fixed frame; 3, first motor; 4, drive column; 5, drive gear; 6, transmission gear; 7, transmission column; 8, rotating gear; 9, rotating column; 10, transmission wheel; 11, transmission belt; 12, moving contact; 13, static contact; 14, grounding box; 15, grounding knife switch; 16, rotating shaft; 17, second fixed frame; 18, second motor; 19, insulating shell; 20, ceramic sleeve; 21, wiring board; 22, terminal post; 23, terminal hole; 24, guide plate; 25, buffer pad; 26, grounding rod; 27, reinforcing rib; 28, grounding plate; 29, mounting hole; 30, mounting bolt; 31, mounting gasket; 32, limiting plate. DETAILED DESCRIPTION

[0018] In order to make the personnel in the technical field better understand the scheme of the present application, the technical scheme in the embodiments of the present application will be clearly and completely described below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the person skilled in the art without creative labor should belong to the scope of protection of the present application.

[0019] It should be noted that the terms "first", "second", and the like in the specification and claims of the present application and the above-described drawings are used to distinguish similar objects, and do not necessarily have to be used to describe a specific order or sequence. It should be understood that the data thus used can be interchanged under appropriate circumstances, so that the embodiments of the present application described herein can be implemented. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to only those steps or units clearly listed, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0020] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "transverse", "longitudinal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0021] In addition, in addition to being used to indicate the orientation or positional relationship, the above-mentioned part of the terms can also be used to indicate other meanings, for example, the term "upper" can also be used to indicate a certain attachment relationship or connection relationship in some cases. For the person skilled in the art, the specific meaning of these terms in the present application can be understood according to the specific circumstances.

[0022] In addition, the terms "mount", "set", "provided with", "connected", "connected", "sleeved" should be broadly understood. For example, it can be a fixed connection, a detachable connection, or a monolithic structure; it can be a mechanical connection, or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or internal communication between two devices, elements or components. For the person skilled in the art, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances.

[0023] As the drawings of the specification Figures 1-7As shown, the present application provides a smart high-voltage isolator, including a support base 1, a first fixed frame 2 is arranged in the middle of one side of the support base 1, a first motor 3 is arranged on the first fixed frame 2, the first motor 3 can be placed stably through the arrangement of the first fixed frame 2, the first motor 3 is fixedly connected with a drive column 4 rotatingly connected with the support base 1 through its output end, the drive column 4 is fixedly connected with a drive gear 5, one side of the drive gear 5 is meshingly connected with a transmission gear 6, the transmission gear 6 is coaxially fixedly installed with a transmission column 7 rotatingly connected with the support base 1, the transmission gear 6 and the drive gear 5 are both meshingly connected with a rotating gear 8, the rotating gear 8 is coaxially fixedly installed with a rotating column 9 rotatingly connected with the support base 1, the bottom ends of the drive column 4, the transmission column 7 and the rotating column 9 are all rotatingly connected with the support base 1 through bearings (the bearings are prior art and are not shown in the figure), the rotating column 9 and the rotating gear 8 are both arranged at the top four corners of the support base 1, the outer wall of each rotating column 9 below the rotating gear 8 is provided with a transmission wheel 10, the transmission wheel 10 is drivingly connected with a transmission belt 11, the top of each rotating column 9 is fixedly connected with a support insulator, the top of the support insulator on the same side of the front end is provided with a moving contact 12, the top of the support insulator on the other side of the rear end is provided with a static contact 13, one side of the static contact 13 is fixedly connected with a grounding box 14, in specific implementation, the first motor 3 is started, the first motor 3 controls the rotating of the drive gear 5 on the drive column 4, the drive column 4 and the drive gear 5 are synchronously rotated with the rotating of the drive gear 5 and the transmission of the transmission gear 6, when the drive gear 5 rotates, each drive column 4 and drive gear 5 is correspondingly rotated through the transmission of the transmission wheel 10 and the transmission belt 11, the corresponding support insulator of the drive column 4 rotates, so that the static contact 13 and the moving contact 12 are in contact to perform the closing work of the isolator, when the closing no longer continues to work, the first motor 3 is reversely rotated to make the static contact 13 and the moving contact 12 separate to realize the opening of the isolator. As Figure 1 , Figure 3 shown, in the present embodiment, the top of the moving contact 12 and the static contact 13 is provided with a terminal block, the support base 1 is rotatingly connected with a grounding knife switch 15 through the rotating assemblies arranged on its two sides, the rotating of the grounding knife switch 15 is controlled to make the grounding knife switch 15 rotate and fall into the grounding box 14 to realize the safety grounding work, so that the residual charge or stray current existing on the static contact 13 falls into the ground along the grounding knife switch 15, the present application adopts the electric control mode for the opening and closing of the isolator and the grounding work after the opening, compared with the existing manual adjustment mode, the automatic adjustment has guarantee in speed and proficiency (there is no difference in operation of different operators), the actual working condition can be judged and the subsequent work can be determined, the device of the present application realizes the automatic intelligent adjustment of the isolator work, and the working efficiency is also significantly improved.

[0024] As a preferred scheme of the present application, therefore preferably, as shown in Figure 1 、 Figure 3 The rotating assembly comprises a rotating shaft 16 rotatably arranged in the inner cavity of the support base 1 and fixedly connected with the grounding knife switch 15. One side of the support base 1 is provided with a second fixing frame 17, and the second fixing frame 17 is provided with a second motor 18 fixedly connected with the rotating shaft 16. In specific implementation, the second motor 18 and the rotating shaft 16 serve as the driving source of the grounding knife switch 15, which can stably drive the grounding work of the grounding knife switch 15. In addition, the second motor 18 can be stably placed through the arrangement of the second fixing frame 17.

[0025] As shown in Figure 1 In the embodiment, the support insulator comprises an insulating shell 19 arranged at the top end of the rotating column 9, and the outer wall of the insulating shell 19 is equidistantly provided with a ceramic sleeve 20. The support insulator is a solid rod-shaped porcelain tile insulator, which can ensure the insulation performance of the support insulator in cooperation with the insulating shell 19 and the ceramic sleeve 20.

[0026] As a preferred scheme of the present application, therefore preferably, as shown in Figure 5 The terminal block comprises a terminal plate 21, and the terminal plate 21 is arranged at the top of the movable contact 12 and the static contact 13. The terminal plate 21 is provided with a terminal post 22 at each of the four corners of the surface thereof, and the surface of each terminal post 22 is provided with a terminal hole 23. The external wiring is inserted into the terminal hole 23 of the terminal post 22, so that the external wiring is connected to the device as a whole through the terminal block.

[0027] As a preferred scheme of the present application, therefore preferably, as shown in Figure 4 The inner cavity of the terminal box is provided with a guide plate 24 on each of the two side walls thereof, and the rear end of the inner cavity of the terminal box is provided with a buffer pad 25 matched with the grounding knife switch 15. When the grounding knife switch 15 falls into the terminal box, the guide plate 24 can guide the movement of the grounding knife switch 15. When the grounding knife switch 15 enters the terminal box, the buffer pad 25 can prevent the grounding knife switch 15 from directly colliding with the rear wall of the inner cavity of the terminal box, thereby improving the safety performance.

[0028] As a preferred scheme of the present application, therefore preferably, as shown in Figure 1 、 Figure 2 The support base 1 is provided with a grounding rod 26 below each of the front end and the rear end thereof, and the grounding rods 26 are provided with a cross-shaped reinforcing rib 27 therebetween. The reinforcing rib 27 arranged between the grounding rods 26 can improve the structural strength of the grounding rods 26, so that the grounding rods 26 can stably support the support base 1.

[0029] As a preferred scheme of the present application, therefore preferably, as shown in Figure 6As shown, the bottom end of each grounding rod 26 is provided with a grounding plate 28, the surface of the grounding plate 28 is provided with mounting holes 29 at four corners, the inside of each mounting hole 29 is movably provided with a mounting bolt 30, the mounting bolt 30 is provided with a mounting washer 31 which is in close contact with the surface of the grounding plate 28, the mounting of the grounding plate 28 to the ground is realized by driving the mounting bolt 30 into the mounting hole 29, and in addition, the abrasion between the mounting bolt 30 and the grounding plate 28 can be reduced by the mounting washer 31, thereby prolonging the service life.

[0030] As a preferred scheme of the present application, therefore, preferably, as Figure 1 As shown, the front end of the support base 1 is provided with limiting plates 32 on both sides which are adapted to the grounding knife switch 15, the limiting plates 32 are mainly arranged to avoid excessive rotation of the grounding knife switch 15, and can limit the rotation angle to avoid unnecessary risks.

[0031] Working principle: As shown in the drawings Figures 1-7 As shown, the device is installed on the working interface by driving the mounting bolt 30 into the mounting hole 29, then the first motor 3 is started, the first motor 3 controls the rotation of the drive gear 5 on the drive column 4, and the drive column 4 and the drive gear 5 are synchronously rotated by the rotation of the drive gear 5 and the transmission of the transmission gear 6, when the drive gear 5 rotates, the corresponding rotation of each drive column 4 and drive gear 5 is realized by the transmission of the transmission wheel 10 and transmission belt 11, the corresponding support insulator of the drive column 4 rotates, so that the static contact 13 and the moving contact 12 are in contact to perform the closing work of the disconnecting switch, when the closing is no longer working, the first motor 3 is reversed to rotate, so that the static contact 13 and the moving contact 12 are separated to realize the opening, in addition, the second motor 18 drives the rotating shaft 16 and the grounding knife switch 15 to rotate, so that the grounding knife switch 15 rotates and falls into the grounding box 14 to realize the safe grounding work, so that the residual charge or stray current existing on the static contact 13 falls to the ground along the grounding knife switch 15.

[0032] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An intelligent high-voltage disconnect switch, comprising a support base (1), characterized in that: A first fixing frame (2) is provided in the middle of one side of the support base (1), and a first motor (3) is provided on the first fixing frame (2). The first motor (3) is fixedly connected to a driving column (4) rotatably connected to the support base (1) through its output end, and the driving column (4) is fixedly connected to a driving gear (5), and one side of the driving gear (5) is meshedly connected to a transmission gear (6), and the transmission gear (6) is coaxially fixedly mounted with a transmission column (7) rotatably connected to the support base (1), and the transmission gear (6) and the driving gear (5) are both meshedly connected with a rotating gear (8), and the rotating gear (8) is coaxially fixedly mounted with a rotating column (9) rotatably connected to the support base (1), and the rotating column (9) is fixedly mounted with the rotating gear (8). The gears (8) are all arranged at the top four corners of the support base (1); the outer wall of each rotating column (9) located below the rotating gear (8) is provided with a transmission wheel (10); the transmission wheel (10) is connected to a transmission belt (11); the top of each rotating column (9) is fixedly connected to a pillar insulator; the top of the pillar insulator located on the same side of the front end is provided with a moving contact (12); the top of the pillar insulator located on the other side of the rear end is provided with a static contact (13); one side of the static contact (13) is fixedly connected to a grounding box (14); the tops of the moving contact (12) and the static contact (13) are both provided with a terminal block; the support base (1) is rotatably connected to a grounding knife switch (15) through the rotating components provided on both sides thereof.

2. The intelligent high-voltage disconnect switch according to claim 1, characterized in that: The rotating assembly comprises a rotating shaft (16) rotatably arranged in the inner cavity of the support base (1) and fixedly connected to the grounding switch (15); a second fixing frame (17) is provided on one side of the support base (1); and a second motor (18) fixedly connected to the rotating shaft (16) is provided on the second fixing frame (17).

3. The intelligent high-voltage disconnect switch according to claim 1, characterized in that: The support insulator comprises an insulating shell (19) arranged at the top end of a rotating column (9), and ceramic sleeves (20) are equidistantly arranged on the outer wall of the insulating shell (19).

4. The intelligent high-voltage disconnect switch according to claim 1, characterized in that: The terminal block includes a terminal board (21), which is arranged on the top of the moving contact (12) and the static contact (13). Terminal posts (22) are arranged at the four corners of the surface of the terminal board (21), and a terminal hole (23) is opened on the surface of each terminal post (22).

5. The intelligent high-voltage disconnect switch according to claim 1, characterized in that: Guide plates (24) are provided on both side walls of the inner cavity of the junction box, and a buffer pad (25) adapted to the grounding switch (15) is provided at the rear end of the inner cavity of the junction box.

6. The intelligent high-voltage disconnect switch according to claim 1, characterized in that: Grounding rods (26) are provided below both front and rear ends of the support base (1), and cross-shaped reinforcing ribs (27) are provided between the grounding rods (26).

7. The intelligent high-voltage disconnect switch according to claim 6, characterized in that: A grounding plate (28) is provided at the bottom end of each grounding rod (26), and mounting holes (29) are provided at the four corners of the surface of the grounding plate (28). A mounting bolt (30) is movably provided inside each mounting hole (29), and a mounting gasket (31) is provided on the mounting bolt (30) and is in contact with the surface of the grounding plate (28).

8. The intelligent high-voltage disconnect switch according to claim 1, characterized in that: Limiting plates (32) adapted to the grounding switch (15) are provided on both sides of the front end of the support base (1).

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