Single-phase grounding line selection intelligent control device

Abstract

The present invention discloses an intelligent control device for single-phase grounding line selection, which specifically relates to the field of power technology. It includes a grounding box and a line selection control device installed on the top of the grounding box. At the top and bottom inside the grounding box, a first grounding ring and a second grounding ring are respectively installed through brackets, and a plurality of grounding electrodes are arranged in a circular array at the bottom of the grounding box. The present invention completes the multi-point controlled grounding of the first grounding ring and the second grounding ring through a multi-point grounding mechanism, can freely open and close the grounding action according to work requirements. At the same time, during the grounding action of the multi-point grounding mechanism, it first drives the cleaning component to complete the cleaning action in a rotating manner, and then operates the grounding component to complete the grounding, reducing the control difficulty and being able to complete the preparatory work before grounding, ensuring the stable contact between the second grounding ring and the grounding component. Through the protection mechanism, the conductive head can be closed and protected to avoid the problem of interference to the conductive head caused by the external environment.

Description

Technical Field

[0001] The present invention relates to the technical field of electric power, and specifically to an intelligent control device for single-phase grounding line selection. Background Art

[0002] A microcomputer grounding line selection device is a protection device used in a power system. It is mainly used to detect and select a suitable grounding line when a grounding fault occurs in the power system, so as to achieve timely grounding and protection of the fault current. This device usually consists of a microprocessor and related sensors, and can monitor parameters such as current and voltage in the power system in real time, and select the grounding line according to a preset strategy, and quickly and accurately locate the grounding fault point;

[0003] The microcomputer grounding line selection device can ensure the safe operation of the power system, prevent the expansion of power grid faults, and reduce the impact of accidents on equipment and personal safety. When the microcomputer grounding line selection device operates, it first needs to control the grounding line to complete the grounding action to provide assistance for subsequent line selection operations.

[0004] Referring to a DC system microcomputer grounding line selection device and its usage method disclosed in a patent application with a publication number of CN118348454A, this grounding line selection device operates the screw rod to move downward and press the piston rod, and at the same time presses the spring. Then, after the piston rod is compressed to the end of the stroke, it will drive the pointed cone to move downward into the soil, so that the wire used for grounding can be successfully grounded. And after the subsequent line selection is completed, it can drive the pointed cone to pull out of the ground, achieving the effect of driving it into the ground when the grounding line needs to be grounded and automatically pulling it out when it is not needed.

[0005] The above-mentioned grounding line selection device uses the method of inserting a pointed cone into the soil to complete the grounding action and can perform grounding operations. However, the insertion distance of the pointed cone is limited greatly, which is extremely likely to cause unstable grounding and errors, and is likely to interfere with the operation of the line selection device, posing a greater safety hazard. And this grounding line selection device only uses a single pointed cone to complete the grounding action. When grounding faults and errors occur, it is extremely likely to cause safety accidents, with a greater safety risk;

[0006] At the same time, during a single insertion and extraction action of the pointed cone, there will be a large amount of soil on the pointed cone. It is difficult to complete thorough cleaning only by using a slight shaking method, which is extremely likely to affect the subsequent grounding action and increase the difficulty of subsequent maintenance. Summary of the Invention

[0007] The purpose of the present invention is to provide an intelligent control device for single-phase grounding line selection to solve the above technical problems.

[0008] To solve the above technical problems, the present invention is realized through the following technical solutions.

[0009] The present invention is an intelligent control device for single-phase grounding line selection, including a grounding box and a line selection control device installed on the top of the grounding box. At the top and bottom inside the grounding box, a first grounding ring and a second grounding ring are respectively installed through brackets. A plurality of grounding electrodes are arranged in a circular array at the bottom of the grounding box, and a multi-point grounding mechanism is added inside the grounding box. The multi-point grounding mechanism is used to actively control the closing and opening of the first grounding ring and the second grounding ring. The multi-point grounding mechanism is composed of a lifting component, two cleaning components, and two grounding components. The lifting component is correspondingly installed on the top inside the grounding box. The two cleaning components cooperate with the lifting component to actively clean the second grounding ring. The two grounding components cooperate with the lifting component and contact the second grounding ring to complete the grounding action. At the same time, protection mechanisms are added to both grounding components, and the two protection mechanisms are respectively used to actively protect the two grounding components.

[0010] Further, the lifting component includes a mounting seat detachably installed on the top inside the grounding box. An electric cylinder is detachably installed on the mounting seat. A power cylinder is rotatably installed on the lower surface of the mounting seat. A connecting ring is rotatably sleeved outside the power cylinder. A one-way bearing is installed between the connecting ring and the power cylinder. A push rod is concentrically installed inside the power cylinder. The push rod is detachably and fixedly connected to the output end of the electric cylinder. A connecting seat is rotatably installed at the bottom of the push rod. A track groove is arranged on the inner wall of the power cylinder. A sliding plate is fixedly sleeved outside the push rod. A trigger rod is detachably and fixedly installed on one side of the sliding plate. The front end of the trigger rod slides into the track groove. Through the combined action of the track groove and the trigger rod, the power cylinder is driven to complete the rotation and descending actions.

[0011] Further, the track groove is composed of a spiral groove and a vertical groove. The spiral groove is spirally wound and opened on the inner wall of the power cylinder. The vertical groove is opened on the inner wall of the power cylinder and communicates with the tail of the spiral groove, so that the trigger rod can reciprocally switch and move between the spiral groove and the vertical groove.

[0012] Further, both cleaning components include connecting arms detachably and fixedly installed on one side of the connecting ring. Two cleaning parts are slidably clamped on the second grounding ring. The two cleaning parts are respectively detachably and fixedly connected to the connecting arms of the cleaning components. Scraping strips are hiddenly installed on both sides of the top of the cleaning parts. A trigger part is detachably installed on one side of the top of the cleaning part. Inclined surfaces are arranged on both sides of the top of the trigger part.

[0013] Further, both grounding components include trigger arms installed on one side of the connecting seat. The trigger arms are correspondingly slidably clamped in the slideways. A grounding part is installed on the trigger arms. The grounding part is composed of a conductive sleeve, a conductive rod, and a conductive head. The top of the conductive sleeve is detachably and fixedly connected to the conductive seat. The conductive rod is slidably clamped in the conductive sleeve. A conductive plate is installed at the bottom of the conductive rod. The conductive rod is detachably and fixedly connected to the trigger arm. The conductive head is detachably installed at the bottom of the conductive plate. The conductive action is completed through the contact between the conductive head and the second grounding ring.

[0014] Further, a first friction ring is commonly installed on the two connecting arms, two power rods are symmetrically installed on both sides of the connecting seat, the two power rods correspondingly slide through the first friction ring, and a second friction ring concentric with the first friction ring is commonly installed on the tops of the two power rods.

[0015] Further, a plurality of sliding grooves are arranged in a circular array on the second friction ring facing the first friction ring, friction blocks are slidably engaged in the plurality of sliding grooves, and strong springs are installed between the friction blocks and the sliding grooves.

[0016] Further, both protection mechanisms include protective covers slidably engaged on both sides of the conductive plate. A return spring is installed between the conductive plate and the two protective covers through a bracket, and inclined platforms are installed on one side of the two protective covers. The inclined platforms of the two protective covers are respectively in contact with the inclined surfaces of the trigger member, and the two protective covers are driven to move away from each other through the inclined surfaces to complete the opening action.

[0017] Further, the protective cover is composed of a first cover body and a second cover body. The first cover body is correspondingly slidably engaged on the conductive plate, the second cover body is arranged at the bottom of the first cover body, an extrusion area is opened in the first cover body, a telescopic member is installed on the top of the second cover body, the telescopic member correspondingly seals and slides into the extrusion area, and a plurality of pushing springs are arranged between the extrusion area and the telescopic member.

[0018] Further, air inlet pipes communicating with the inside of the extrusion area are opened on both sides of the first cover body, an exhaust pipe communicating with the extrusion area is jointly and hiddenly arranged in the second cover body and the telescopic member, and a spray cavity communicating with the exhaust pipe is installed on one side of the second cover body facing the conductive head.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] 1. By providing a lifting assembly in the present invention, the electric cylinder is started to push the push rod and the sliding plate downward. Since the trigger rod is connected to the track groove, when the push rod moves downward, the trigger rod first contacts the spiral groove and is guided by the spiral groove to drive the power cylinder to rotate, thereby completing the triggering of the cleaning assembly. Subsequently, under the guidance of the vertical groove, the push rod and the sliding plate move vertically downward, and the trigger arm is pushed to move downward under the guidance of the slideway to complete the grounding trigger of the grounding assembly. Therefore, the cleaning assembly and the grounding assembly are respectively controlled by the lifting assembly, reducing the control difficulty;

[0021] 2. The present invention is provided with a grounding component. When the electric cylinder moves downward to drive, the trigger arm is guided by the track groove to move downward, and the conductive rod is pulled by the trigger arm to extend in the conductive sleeve, so that the conductive head contacts the second grounding ring to complete the grounding operation. The second friction ring is pulled by the power rod to frictionally contact the first friction ring, so that the connecting arm is stable and will not accidentally rotate, ensuring the stability of the grounding state. At the same time, a friction block is hidden on the second friction ring, which can provide active compensation for the wear of the friction block, so that the friction block stably contacts the first friction ring;

[0022] 3. The present invention is provided with a protection mechanism, which can complete the closing protection of the conductive head, avoid the problem that the external environment interferes with the conductive head, and during the grounding action, the protection mechanism completes the follow-up opening, so that the conductive head completes stable grounding work, making the overall operation of the equipment stable, reducing the maintenance difficulty, and providing guarantee for the safe operation of the circuit.

[0023] Of course, it is not necessary for any product implementing the present invention to achieve all the above-mentioned advantages simultaneously. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is the overall front view of the present invention;

[0025] Figure 2 is the installation schematic diagram of the grounding box and the line selection control device of the present invention;

[0026] Figure 3 is the internal structure schematic diagram of the grounding box of the present invention;

[0027] Figure 4 is the distribution schematic diagram of the first grounding ring and the second grounding ring of the present invention;

[0028] Figure 5 is the connection schematic diagram of the multi-point grounding mechanism and the second grounding ring of the present invention;

[0029] Figure 6 is the schematic diagram of the multi-point grounding mechanism of the present invention;

[0030] Figure 7 is the schematic diagram of the lifting component of the present invention;

[0031] Figure 8 is the distribution schematic diagram of the track groove in the power cylinder of the present invention;

[0032] Figure 9 is the distribution schematic diagram of the first friction ring and the second friction ring of the present invention;

[0033] Figure 10 is the installation schematic diagram of the friction block on the second friction ring of the present invention;

[0034] Figure 11 Schematic diagram of the grounding component of the present invention;

[0035] Figure 12 Schematic diagram of the distribution of the trigger rod and two inclined platforms of the present invention;

[0036] Figure 13 Schematic diagram of the protection mechanism of the present invention;

[0037] Figure 14 Schematic diagram of the structure of the protective cover of the present invention;

[0038] Figure 15 Schematic diagram of the installation of the exhaust pipe of the present invention on the second housing.

[0039] In the figure: 1. Grounding box; 2. Line selection control device; 3. First grounding ring; 4. Second grounding ring; 5. Ring track; 6. Conductive seat; 7. Grounding electrode; 8. Mounting seat; 9. Electric cylinder; 10. Power cylinder; 11. Connecting ring; 12. One-way bearing; 13. Push rod; 14. Connecting seat; 15. Track groove; 151. Spiral groove; 152. Vertical groove; 16. Slide plate; 17. Trigger rod; 18. Connecting arm; 19. Cleaning part; 20. Scraping strip; 21. Trigger part; 22. Trigger arm; 23. Grounding part; 231. Conductive sleeve; 232. Conductive rod; 233. Conductive head; 234. Conductive plate; 24. First friction ring; 25. Power rod; 26. Second friction ring; 27. Sliding groove; 28. Friction block; 29. Strong spring; 30. Protective cover; 301. First housing; 302. Second housing; 303. Extrusion area; 304. Telescopic part; 305. Push spring; 31. Reset spring; 32. Inclined platform; 33. Inclined surface; 34. Intake pipe; 35. Exhaust pipe; 36. Spray cavity. Specific embodiments

[0040] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention.

[0041] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inner", "periphery", etc. indicating the orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0042] Embodiment 1: The present invention provides a technical solution: As Figures 1 to 15As shown in the figure, the single-phase grounding line selection intelligent control device includes a grounding box 1 and a line selection control device 2 installed on the top of the grounding box 1. The line selection control device 2 is used to complete the line selection action for the faulty line. The front end of the grounding box 1 is detachably installed with an end cover through bolts. Two connecting pieces are symmetrically installed on both sides of the bottom of the grounding box 1. Two handles are symmetrically installed on the end cover, and a plurality of wiring heads are installed side by side and communicated on the end cover. An No. 1 grounding ring 3 and an No. 2 grounding ring 4 are respectively installed on the inner top and bottom of the grounding box 1 through brackets. The No. 1 grounding ring 3 is connected to the line selection control device 2 through a wire, and an annular track 5 is opened on the lower surface of the No. 1 grounding ring 3. Two conductive seats 6 are slidably engaged in the annular track 5. A plurality of grounding electrodes 7 are arranged in a circular array at the bottom of the grounding box 1. The plurality of grounding electrodes 7 are respectively connected to the No. 2 grounding ring 4. The plurality of grounding electrodes 7 are correspondingly inserted into the ground to complete grounding, and a multi-point grounding mechanism is added in the grounding box 1. The multi-point grounding mechanism is used to actively control the closing and opening of the No. 1 grounding ring 3 and the No. 2 grounding ring 4. The multi-point grounding mechanism is composed of a lifting component, two cleaning components and two grounding components. The lifting component is correspondingly installed on the inner top of the grounding box 1. The two cleaning components cooperate with the lifting component and actively clean the No. 2 grounding ring 4. The two grounding components cooperate with the lifting component and contact the No. 2 grounding ring 4 to complete the grounding action. At the same time, protection mechanisms are added to both grounding components. The two protection mechanisms are respectively used to actively protect the two grounding components.

[0043] Among them, electrical components such as the electric cylinder 9 and the line selection control device 2 are all connected with switches through wires, and the switches are electrically connected with a controller. The specific structure of the controller is not limited, and an absolute encoder is installed on the electric cylinder 9 for accurate positioning of the electric cylinder 9.

[0044] Embodiment 2: According to the multi-point grounding mechanism provided in Embodiment 1, the present embodiment provides a further technical solution for the multi-point grounding mechanism.

[0045] As Figure 5 and Figure 12As shown, the lifting assembly includes a mounting seat 8 detachably installed on the top inside the grounding box 1. An electric cylinder 9 is detachably installed on the mounting seat 8. A power cylinder 10 is rotatably installed on the lower surface of the mounting seat 8. A connecting ring 11 is rotatably sleeved outside the power cylinder 10. A one-way bearing 12 is installed between the connecting ring 11 and the power cylinder 10. When the trigger rod 17 moves downward toward the vertical groove 152 in the spiral groove 151, the one-way locking transmission is completed. When the trigger rod 17 moves from the vertical groove 152 to the spiral groove 151, the one-way release rotation is completed without restriction. The power cylinder 10 is designed to be through, and the power cylinder 10 is concentric with the first grounding ring 3. A push rod 13 is concentrically installed inside the power cylinder 10. The push rod 13 is detachably and fixedly connected to the output end of the electric cylinder 9. A connecting seat 14 is rotatably installed at the bottom of the push rod 13. A track groove 15 is provided on the inner wall of the power cylinder 10. A sliding plate 16 is fixedly sleeved outside the push rod 13. The sliding plate 16 is slidably installed inside the power cylinder 10, and a trigger rod 17 is detachably and fixedly installed on one side of the sliding plate 16. The front end of the trigger rod 17 is slidably inserted into the track groove 15. Through the combined action of the track groove 15 and the trigger rod 17, the power cylinder 10 is driven to complete the rotation and descent actions. The track groove 15 is composed of a spiral groove 151 and a vertical groove 152. The spiral groove 151 is spirally wound and opened on the inner wall of the power cylinder 10. The vertical groove 152 is opened on the inner wall of the power cylinder 10 and communicates with the tail of the spiral groove 151, enabling the trigger rod 17 to reciprocally switch and move between the spiral groove 151 and the vertical groove 152;

[0046] It should be noted that when performing grounding operation control, by providing the lifting assembly, the electric cylinder 9 is started to push the push rod 13 and the sliding plate 16 downward. Since the trigger rod 17 is connected to the track groove 15, when the push rod 13 moves downward, the trigger rod 17 first contacts the spiral groove 151 and is guided by the spiral groove 151 to drive the power cylinder 10 to complete rotation, thereby completing the triggering of the cleaning assembly. Subsequently, under the guidance of the vertical groove 152, the push rod 13 and the sliding plate 16 move vertically downward, pushing the trigger arm 22 to complete the downward movement under the guidance of the slideway, and completing the grounding trigger of the grounding assembly. Therefore, the lifting assembly respectively controls the cleaning assembly and the grounding assembly, reducing the control difficulty and at the same time reducing the subsequent maintenance difficulty for the staff;

[0047] In the embodiment of the present invention, both cleaning components include connecting arms 18 detachably and fixedly installed on one side of the connecting ring 11. Slideways are formed through the connecting arms 18, and two cleaning members 19 are slidably engaged with the second grounding ring 4. The two cleaning members 19 are respectively detachably and fixedly connected to the connecting arms 18 of the cleaning components. The two cleaning members 19 are made of insulating materials. Open areas are formed through the middle positions of the two cleaning members 19. The open areas cooperate with the grounding components for guiding. Scraping strips 20 are hidden and installed on both sides of the top of the cleaning member 19. The scraping strips 20 are in contact with the second grounding ring 4 to complete scraping and cleaning, and the scraping strips 20 are detachably and fixedly connected to the cleaning member 19 by bolts. A trigger member 21 is detachably installed on one side of the top of the cleaning member 19. Inclined surfaces 33 are arranged on both sides of the top of the trigger member 21;

[0048] It should be noted that: when the cleaning operation is performed, by providing the cleaning component, when the push rod 13 moves downward, the one-way bearing 12 of the power cylinder 10 is locked, so that the connecting ring 11 and the connecting arm 18 rotate accordingly, so that the cleaning member 19 rotates on the second grounding ring 4. At the same time, the grounding component rotates with the connecting arm 18. At this time, the conductive seat 6 slides in the annular track 5 on the first grounding ring 3. The surface of the second grounding ring 4 is cleaned by the scraping strip 20 arranged on the cleaning member 19, providing assistance for the subsequent grounding component, and there is no need for manual cleaning. When the electric cylinder 9 moves upward later, the trigger rod 17 first moves upward in the vertical groove 152 to make the grounding component complete the upward reset. Then, under the guidance of the spiral groove 151, the trigger rod 17 makes the power cylinder 10 rotate again. Since the one-way bearing 12 is in the unlocked state at this time, the power cylinder 10 rotates freely and does not drive the cleaning component;

[0049] In the embodiment of the present invention, both grounding components include trigger arms 22 installed on one side of the connecting seat 14. The trigger arms 22 are correspondingly slidably engaged in the slideways, and grounding members 23 are installed on the trigger arms 22. The grounding members 23 are composed of a conductive sleeve 231, a conductive rod 232, and a conductive head 233. The top of the conductive sleeve 231 is detachably and fixedly connected to the conductive seat 6. The conductive rod 232 is slidably engaged in the conductive sleeve 231. A conductive plate 234 is installed at the bottom of the conductive rod 232, and the conductive rod 232 is detachably and fixedly connected to the trigger arm 22. The conductive head 233 is detachably installed at the bottom of the conductive plate 234. The conductive action is completed through the contact between the conductive head 233 and the second grounding ring 4;

[0050] It should be noted that when grounding, by providing a grounding component, when the electric cylinder 9 moves downward to drive, the trigger arm 22 is driven to move downward through the guide of the track groove 15. The conductive rod 232 is pulled by the trigger arm 22 to extend out in the conductive sleeve 231, so that the conductive head 233 contacts the second grounding ring 4 to complete the grounding operation. Since the conductive sleeve 231, the conductive seat 6, the conductive plate 234 and the conductive head 233 are all made of conductive materials, the first grounding ring 3 and the second grounding ring 4 are interconnected, and a stable multi-point grounding operation can be completed. During subsequent resetting, the conductive head 233 moves upward with the conductive rod 232 and contracts in the conductive sleeve 231. After the conductive head 233 contacts the second grounding ring 4, the second friction ring 26 is pulled by the power rod 25 to frictionally contact the first friction ring 24, so that the connecting arm 18 is stable and will not accidentally rotate, ensuring the stability of the grounding state. After subsequent resetting, the second friction ring 26 is pushed by the power rod 25 to separate from the first friction ring 24 to complete unlocking. At the same time, a friction block 28 is hidden on the second friction ring 26. The friction block 28 extends out under the action of the strong spring 29 and pre-contacts the first friction ring 24 to complete preliminary fixation, providing assistance for the contact between the first friction ring 24 and the second friction ring 26. At the same time, the friction block 28 is pressurized under the action of the strong spring 29, so that the friction block 28 contacts the first friction ring 24 with pressure, improving the friction strength and being able to provide active compensation for the wear of the friction block 28, so that the friction block 28 stably contacts the first friction ring 24;

[0051] Among them, a first friction ring 24 is jointly installed on the two connecting arms 18. The first friction ring 24 is concentric with the power cylinder 10. Two power rods 25 are symmetrically installed on both sides of the connecting seat 14. The two power rods 25 correspondingly slide through the first friction ring 24. A second friction ring 26 concentric with the first friction ring 24 is jointly installed on the tops of the two power rods 25. The second friction ring 26 frictionally contacts the first friction ring 24 to complete the position limitation of the cleaning component. After the conductive head 233 contacts the second grounding ring 4, the first friction ring 24 frictionally contacts the second friction ring 26. A plurality of sliding grooves 27 are arranged in a circular array on the second friction ring 26 facing the first friction ring 24. A friction block 28 is slidably engaged in each of the plurality of sliding grooves 27. The friction block 28 can extend out of the second friction ring 26 and pre-contact the first friction ring 24. A strong spring 29 is installed between the friction block 28 and the sliding groove 27.

[0052] Embodiment 3: Based on the protection mechanism provided in Embodiment 1, this embodiment provides a further technical solution for the protection mechanism.

[0053] As Figures 12 to 15As shown, both protection mechanisms include protective covers 30 that slide and engage on both sides of the conductive plate 234. A sliding area that mates with the protective cover 30 is provided on the conductive plate 234. On the side where the two protective covers 30 face each other, a storage area is provided for the conductive head 233 to be stored. The two protective covers 30 can be combined into a closed protective piece. A return spring 31 is installed between the conductive plate 234 and the two protective covers 30 through brackets, and a ramp 32 is installed on one side of the two protective covers 30. The ramps 32 of the two protective covers 30 are respectively in contact with the inclined surface 33 of the trigger member 21, and the two protective covers 30 are driven to move away from each other through the inclined surface 33 to complete the opening action;

[0054] It should be noted that when protecting the grounding component, through the provided protection mechanism, under normal conditions, under the action of the two return springs 31, the two protective covers 30 are pulled closer to each other to complete the closing, thereby completing the covering protection of the conductive head 233, avoiding interference from the external environment, and ensuring the stable state of subsequent grounding. In the subsequent downward movement path of the grounding component driven by the electric cylinder 9, first, the ramps 32 of the two protective covers 30 contact and squeeze the inclined surface 33 of the trigger member 21, pushing the two ramps 32 and the protective covers 30 to move away from each other, exposing the conductive head 233. In the subsequent downward movement, the conductive head 233 is driven to contact the second grounding ring 4. During the subsequent upward reset, after the ramp 32 separates from the inclined surface 33, the return spring 31 completes the reset of the protective cover 30 again. At the same time, the protective cover 30 is composed of a first cover body 301 and a second cover body 302. Therefore, after the protective cover 30 separates from the conductive head 233, the second cover body 302 contacts the second grounding ring 4, and under the action of the downward pressure, the second cover body 302 moves upward to compress the push spring 305, enabling the protective cover 30 to perform a flexible avoidance of the conductive head 233, so that both the second cover body 302 and the conductive head 233 can be stably attached to the second grounding ring 4. And when the second cover body 302 moves upward, the telescopic member 304 makes a piston movement in the extrusion area 303, spraying the gas in the extrusion area 303 onto the conductive head 233 through the exhaust pipe 35 and the spraying cavity 36 to complete the cleaning. After the push spring 305 resets, the outside gas is introduced into the extrusion area 303 through the intake pipe 34 to complete the compensation. At the same time, the protective cover 30 can be set as a conductive material, increasing the contact area between the grounding component and the second grounding ring 4 and obtaining a stable grounding state;

[0055] In the embodiment of the present invention, the protective cover 30 is composed of a first cover body 301 and a second cover body 302. The first cover body 301 is correspondingly slidably clamped on the conductive plate 234. The second cover body 302 is arranged at the bottom of the first cover body 301. An extrusion area 303 is formed in the first cover body 301. A telescopic member 304 is installed at the top of the second cover body 302. The telescopic member 304 correspondingly seals and slides into the extrusion area 303. A lifting track matching with the telescopic member 304 is formed on the inner wall of the extrusion area 303. A plurality of pushing springs 305 are arranged between the extrusion area 303 and the telescopic member 304. A counterweight is arranged in the second cover body 302, so that the second cover body 302 compresses the pushing springs 305 and is away from the first cover body 301 under normal conditions. Air inlet pipes 34 communicating with the inside of the extrusion area 303 are formed on both sides of the first cover body 301. A first one-way valve for unidirectionally introducing gas into the extrusion area 303 is installed at the end of the air inlet pipe 34. An exhaust pipe 35 communicating with the extrusion area 303 is jointly and hiddenly arranged in the second cover body 302 and the telescopic member 304. A second one-way valve for unidirectionally sending out gas from the extrusion area 303 is arranged at the end of the exhaust pipe 35. A spray cavity 36 is installed on one side of the second cover body 302 facing the conductive head 233. The spray cavity 36 is communicated with the exhaust pipe 35. A plurality of jet nozzles are communicated and installed on the surface of the spray cavity 36. The conductive head 233 is cleaned by spraying through the plurality of jet nozzles.

[0056] The present invention provides an intelligent control device for single-phase grounding line selection, and the specific working principle is as follows: First, the grounding box 1 is fixed in the working area. At this time, the grounding electrode 7 on the grounding box 1 correspondingly inserts into the ground to complete the grounding action. Then the line is connected to the first grounding ring 3, and the multi-point control grounding of the first grounding ring 3 and the second grounding ring 4 is completed through the multi-point grounding mechanism. The opening and closing of the grounding action can be freely carried out according to the working requirements, and the operation is flexible. At the same time, the multi-point contact method is adopted to increase the contact area, avoid the problem of unstable grounding, and improve the operation safety.

[0057] At the same time, during the grounding operation of the multi-point grounding mechanism, the cleaning component is first driven to complete the cleaning operation in a rotating manner, and then the grounding component is operated to complete the grounding. This reduces the control difficulty and can complete the preparatory work before grounding, ensuring the stable contact between the second grounding ring 4 and the grounding component. With the cooperation of the lifting component, the cleaning component, and the grounding component, during a single grounding process, the lifting component transfers the rotational power to the cleaning component, driving it to complete the cleaning work on the second grounding ring 4, which is beneficial for subsequent grounding use and avoids problems such as dust on the second grounding ring 4 affecting the grounding effect. Subsequently, the lifting component transfers the downward movement amount to the grounding component, enabling the grounding component to complete a stable multi-point grounding operation between the first grounding ring 3 and the second grounding ring 4. The operation is stable, and with the assistance of the protection mechanism, the protection mechanism can complete the closing protection of the conductive head 233, avoiding the problem of interference from the external environment to the conductive head 233. During the grounding operation, the protection mechanism completes the follow-up opening, enabling the conductive head 233 to complete a stable grounding operation, making the overall operation of the equipment stable, reducing the maintenance difficulty, and providing guarantee for power safety work.

[0058] In the description of this specification, the descriptions referring to terms such as "one embodiment", "example", "specific example", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0059] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not elaborate on all the details, nor do they limit the invention to the specific embodiments described. Obviously, many modifications and variations can be made according to the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A single-phase grounding line selection intelligent control device, comprising a grounding box (1) and a line selection control device (2) installed on the top of the grounding box (1), characterized in that: A first grounding ring (3) and a second grounding ring (4) are installed at the top and bottom of the grounding box (1) through brackets, respectively, and a ring track (5) is provided on the lower surface of the first grounding ring (3), and two conductive seats (6) are slidably engaged in the ring track (5). A plurality of grounding electrodes (7) are provided in a circular array at the bottom of the grounding box (1), and a multi-point grounding mechanism is added in the grounding box (1), and the multi-point grounding mechanism is used to actively control the closing and opening of the first grounding ring (3) and the second grounding ring (4); The multi-point grounding mechanism is composed of a lifting component, two cleaning components and two grounding components. The lifting component is correspondingly installed at the top of the grounding box (1). The two cleaning components cooperate with the lifting component and actively clean the second grounding ring (4). The two grounding components cooperate with the lifting component and contact the second grounding ring (4) to complete the grounding action. At the same time, protection mechanisms are added to the two grounding components. The two protection mechanisms are respectively used to actively protect the two grounding components. The lifting assembly comprises a mounting seat (8) which is detachably mounted on the top of a grounding box (1), an electric cylinder (9) being detachably mounted on the mounting seat (8), a power cylinder (10) being rotatably mounted on the lower surface of the mounting seat (8), a connecting ring (11) being rotatably sleeved on the outside of the power cylinder (10), and a one-way bearing (12) being mounted between the connecting ring (11) and the power cylinder (10); A push rod (13) is coaxially mounted in the power cylinder (10), and the push rod (13) is detachably fixedly connected to the output end of the electric cylinder (9). A connecting seat (14) is rotatably mounted at the bottom of the push rod (13). A track groove (15) is arranged on the inner wall of the power cylinder (10). A slide plate (16) is fixedly sleeved on the outside of the push rod (13), and a trigger rod (17) is detachably fixedly mounted on one side of the slide plate (16). The front end of the trigger rod (17) is slidably inserted into the track groove (15), and the track groove (15) and the trigger rod (17) work together to drive the power cylinder (10) to complete the rotation and descending action. The two cleaning components each comprise a connecting arm (18) detachably fixedly mounted on one side of the connecting ring (11), and two cleaning pieces (19) are slidably engaged on the second grounding ring (4), the two cleaning pieces (19) are respectively detachably fixedly connected to the connecting arms (18) of the cleaning components, scraping strips (20) are concealedly mounted on both sides of the top of the cleaning piece (19), a trigger piece (21) is detachably mounted on one side of the top of the cleaning piece (19), and both sides of the top of the trigger piece (21) are provided with inclined surfaces (33); Both grounding components include a trigger arm (22) mounted on one side of a connection seat (14), and a grounding member (23) is mounted on the trigger arm (22), the grounding member (23) is composed of a conductive sleeve (231), a conductive rod (232) and a conductive head (233), the top of the conductive sleeve (231) is detachably fixedly connected to the conductive seat (6), the conductive rod (232) is slidably engaged in the conductive sleeve (231), a conductive plate (234) is mounted at the bottom of the conductive rod (232), the conductive rod (232) is detachably fixedly connected to the trigger arm (22), the conductive head (233) is detachably mounted at the bottom of the conductive plate (234), and the conductive action is completed by the contact between the conductive head (233) and the second grounding ring (4); The two protection mechanisms each comprise a protection cover (30) slidably engaged on both sides of a conductive plate (234); a return spring (31) is installed between the conductive plate (234) and the two protection covers (30) via a bracket; and an inclined platform (32) is installed on one side of the two protection covers (30); the inclined platforms (32) of the two protection covers (30) are respectively in contact with an inclined surface (33) of the trigger member (21); and the two protection covers (30) are driven to move away from each other via the inclined surface (33) to complete the opening action.

2. The single-phase grounding line selection intelligent control device according to claim 1 is characterized in that: The track groove (15) is composed of a spiral groove (151) and a vertical groove (152). The spiral groove (151) is spirally wound and opened on the inner wall of the power cylinder (10). The vertical groove (152) is opened on the inner wall of the power cylinder (10) and is connected with the tail of the spiral groove (151), so that the trigger rod (17) can switch and move back and forth between the spiral groove (151) and the vertical groove (152).

3. The single-phase grounding line selection intelligent control device according to claim 2 is characterized in that: A first friction ring (24) is commonly installed on the two connecting arms (18), two power rods (25) are symmetrically installed on both sides of the connecting seat (14), the two power rods (25) correspondingly slide through the first friction ring (24), and a second friction ring (26) is commonly installed on the top of the two power rods (25) and is arranged concentrically with the first friction ring (24).

4. The single-phase grounding line selection intelligent control device according to claim 3 is characterized in that: A plurality of sliding grooves (27) are arranged in a circular array on the second friction ring (26) toward the first friction ring (24), and friction blocks (28) are slidably engaged in the plurality of sliding grooves (27), and strong springs (29) are installed between the friction blocks (28) and the sliding grooves (27).

5. The single-phase grounding line selection intelligent control device according to claim 4 is characterized in that: The protective cover (30) is composed of a cover body No. 1 (301) and a cover body No. 2 (302). The cover body No. 1 (301) is correspondingly slidably engaged on the conductive plate (234), the cover body No. 2 (302) is arranged at the bottom of the cover body No. 1 (301), an extrusion area (303) is opened in the cover body No. 1 (301), and a telescopic member (304) is installed on the top of the cover body No. 2 (302). The telescopic member (304) is correspondingly sealed and slid into the extrusion area (303), and a plurality of push springs (305) are arranged between the extrusion area (303) and the telescopic member (304).

6. The single-phase grounding line selection intelligent control device according to claim 5 is characterized in that: An air inlet pipe (34) communicating with the extrusion area (303) is provided on both sides of the first cover body (301), an exhaust pipe (35) communicating with the extrusion area (303) is hidden in the second cover body (302) and the telescopic member (304), and a spray chamber (36) is installed in the second cover body (302) toward the conductive head (233), and the spray chamber (36) is communicated with the exhaust pipe (35).

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