High-voltage intelligent grounding device based on electrostatic induction principle

Abstract

The invention provides an electrostatic induction principle-based high-voltage intelligent grounding device, which comprises a pipe joint and a wire hanging clamp, the wire hanging clamp is fixedly connected to one end of the pipe joint, one end of the pipe joint is clamped with a telescopic assembly, one side of the wire hanging clamp is fixedly connected with a grounding wire, one end of the grounding wire is fixedly connected with a grounding head assembly, and the other end of the grounding head assembly is fixedly connected with a grounding wire. The grounding wires are electrically connected with the wire hanging clamp and the grounding head assembly, and a mounting cavity is formed in the pipe joint; the electricity testing and grounding functions are integrally designed, the tedious process of step-by-step operation is omitted, the telescopic assembly supports length adjustment and rapid fixation of the insulating rod, and the telescopic assembly adopts an epoxy resin insulating material and an eccentric locking structure, has portability, insulativity and operation stability, adapts to a complex working environment and is convenient to use. The climbing auxiliary time is reduced; all operations can be completed by a single person; the labor cost is reduced; the maintenance time is obviously shortened;

Description

Technical Field

[0001] This invention relates to the technical field, and in particular to a high-voltage intelligent grounding device based on the principle of electrostatic induction. Background Technology

[0002] With the rapid development of power systems and the advancement of smart grid construction, higher demands are placed on the safety and efficiency of power equipment maintenance. In the maintenance of 10kV and low-voltage distribution network overhead lines, traditional power outage testing and grounding wire installation operations rely on manual labor: workers must wear insulated gloves, use contact voltage detectors to test each phase individually, and only after confirming no power can they climb the pole or use an insulated ladder to install the high-voltage grounding wire. Because the equipment grounding point is relatively high above the ground (usually 4-5 meters), the operation is time-consuming and requires at least two people to work together (one to monitor and one to operate), resulting in low maintenance efficiency and a high risk of customer complaints.

[0003] Statistics show that in the past decade, more than half of power accidents were caused by violations of operating procedures, with improper grounding wire operation being the main contributing factor. Traditional operating methods carry multiple risks:

[0004] There is a time interval between manual voltage testing and grounding. If "backflow" or accidental closing of the circuit breaker occurs during this period, it may result in electric shock to personnel. The process requires working at height, and testing for electricity and grounding must be carried out in separate steps. The process is complicated and can easily lead to operational errors due to fatigue or negligence. The grounding wire connection status relies on manual judgment, making it impossible to monitor the line's energized status in real time and lacking remote monitoring methods, which can easily lead to violations. Therefore, a high-voltage intelligent grounding device based on the principle of electrostatic induction is proposed. Summary of the Invention

[0005] In view of this, embodiments of the present invention provide a high-voltage intelligent grounding device based on the principle of electrostatic induction to solve or alleviate the technical problems existing in the prior art, and at least provide a beneficial option.

[0006] The technical solution of this invention is implemented as follows: A high-voltage intelligent grounding device based on the principle of electrostatic induction includes a pipe joint and a hanging clamp. The hanging clamp is fixedly connected to one end of the pipe joint. A telescopic component is snapped into one end of the pipe joint. A grounding wire is fixedly connected to one side of the hanging clamp. A grounding head component is fixedly connected to one end of the grounding wire. The grounding wire is electrically connected to the grounding head component of the hanging clamp. An installation cavity is opened inside the pipe joint. A DSP microprocessor, a GPRS network communication module, and a WIFI network communication module are respectively arranged inside the installation cavity. The DSP microprocessor is electrically connected to the hanging clamp, the GPRS network communication module, and the WIFI network communication module through wires.

[0007] In some embodiments, the telescopic assembly includes an insulating tube, an insulating rod, two ring blocks, a movable eccentric sleeve, and a limiting block. The pipe connector is snapped onto one end of the insulating rod, and the bottom end of the insulating rod is fixedly connected to the limiting block. The inner wall of the insulating tube is fitted against the outer wall of the limiting block, and the two ring blocks are linearly arrayed and integrally formed on the inner wall of the insulating tube. The outer wall of the movable eccentric sleeve is fitted against the inner wall of the insulating tube, and adjacent sides of the two ring blocks are fitted against the movable eccentric sleeve. The outer wall of the insulating rod has an arc-shaped groove, and the arc-shaped groove is fitted against the movable eccentric sleeve.

[0008] In some embodiments, the grounding head assembly includes a U-shaped frame, a pressure plate, a threaded rod, and a rotating rod. The U-shaped frame is fixedly connected to one end of the grounding wire, and the grounding wire is electrically connected to the U-shaped frame. The pressure plate is disposed inside the U-shaped frame, and a wire-holding groove is formed on the inner bottom wall of the U-shaped frame. A threaded through hole is formed on the upper surface of the U-shaped frame, and the outer wall of the threaded rod is threadedly connected to the inner wall of the threaded through hole. One end of the threaded rod is embedded in the upper surface of the pressure plate and rotatably connected via a bearing. The rotating rod is integrally formed on the other end of the threaded rod.

[0009] In some embodiments, one end of the pipe connector is provided with a circular through groove, the inner wall of the circular through groove is symmetrically provided with L-shaped slots, the outer wall of the insulating rod is symmetrically fixedly connected with a pin, the outer wall of the pin is attached to the inner wall of the corresponding L-shaped slot, and the inner wall of the circular through groove is fixedly connected with an elastic rubber pad, the elastic rubber pad is attached to one end of the insulating rod.

[0010] In some embodiments, the grounding head assembly further includes a square block, wherein the square block is fixedly connected to the inner wall of the U-shaped frame, a square through groove is provided on one side of the pressure plate, and the outer wall of the square block is attached to the inner wall of the square through groove.

[0011] In some embodiments, the outer wall of the grounding wire is fitted with an insulating sleeve.

[0012] In some embodiments, the insulating tube, the insulating rod, the ring block, and the limiting block are made of epoxy resin.

[0013] The embodiments of the present invention have the following advantages due to the adoption of the above technical solutions: I. This invention integrates voltage detection and grounding functions into a single design, eliminating the cumbersome process of separate operations. The telescopic component supports adjustable and quick-fixing of the insulating rod length. The telescopic component uses epoxy resin insulation material and an eccentric locking structure, combining portability, insulation, and operational stability. It adapts to complex working environments and different height requirements, reduces climbing assistance time, allows a single person to complete all operations, reduces labor costs, significantly shortens maintenance time, and alleviates customer complaint pressure.

[0014] Second, this invention uses the principle of electrostatic induction for non-contact voltage detection, which can detect voltage status without direct contact with live equipment, avoiding the risk of electric shock to operators. It monitors the line's energization in real time during the grounding wire connection process, and immediately alarms if an abnormal voltage is detected, eliminating the dangerous operation of connecting grounding wires to live equipment and ensuring personnel safety.

[0015] Third, this invention enables remote monitoring and data transmission of grounding status through a built-in DSP microprocessor, GPRS and WIFI communication modules. It supports real-time viewing of equipment location, voltage status and alarm information via mobile terminal APP, and integrates functions such as electronic fence and anti-tamper alarm. This facilitates remote verification of the standardization of operations by the dispatch center and realizes intelligent and standardized management of grounding wires.

[0016] The above overview is for illustrative purposes only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the invention will become readily apparent from the accompanying drawings and the following detailed description. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a structural diagram of the present invention; Figure 2 For the present invention Figure 1 Enlarged structural diagram of area A; Figure 3 For the present invention Figure 1 Enlarged structural diagram of region B; Figure 4 For the present invention Figure 1 Side section structural diagram; Figure 5 For the present invention Figure 4 Enlarged structural diagram of region C; Figure 6 For the present invention Figure 4 Enlarged structural diagram of region D; Figure 7 For the present invention Figure 4 Enlarged structural diagram of region E; Figure 8 This is a structural diagram of the movable eccentric sleeve of the present invention; Figure 9 This is a rear view structural diagram of the present invention; Figure 10 For the present invention Figure 9 Enlarged structural diagram of region F.

[0019] Reference numerals: 1. Pipe fitting; 2. Hanging clamp; 3. Telescopic assembly; 4. Grounding wire; 5. Grounding head assembly; 6. Wire clamping groove; 7. Insulating sleeve; 8. Square through groove; 9. Threaded through hole; 10. Mounting cavity; 11. DSP microprocessor; 12. GPRS network communication module; 13. WIFI network communication module; 14. Arc groove; 15. Circular through groove; 16. Elastic rubber pad; 17. Pin shaft; 18. L-shaped clamping groove; 30. Insulating tube; 31. Insulating rod; 32. Ring block; 33. Movable eccentric sleeve; 34. Limiting block; 50. U-shaped frame; 51. Pressure plate; 52. Threaded rod; 53. Square block; 54. Rotating rod. Detailed Implementation

[0020] In the following description, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments can be modified in various ways without departing from the spirit or scope of the invention. Therefore, the drawings and description are considered to be exemplary in nature and not restrictive.

[0021] It is important to note that terms such as "first," "second," "symmetric," "array," "set in," and "set with" are used only to distinguish between descriptive and positional descriptions and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features specified with terms such as "first" or "symmetric" may explicitly or implicitly include one or more of that feature; similarly, when the quantity of certain features is not limited by words such as "two" or "three," it should be noted that such features also explicitly or implicitly include one or more features.

[0022] In this invention, unless otherwise explicitly specified and limited, terms such as "installation," "connection," and "fixation" should be interpreted broadly; for example, they can refer to a fixed connection, a detachable connection, or an integral molding; they can refer to a mechanical connection, a direct connection, a welding connection, or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the accompanying drawings and specific circumstances.

[0023] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0024] like Figures 1-10 As shown, this embodiment of the invention provides a high-voltage intelligent grounding device based on the principle of electrostatic induction, including a pipe connector 1 and a hanging clamp 2. The hanging clamp 2 is fixedly connected to one end of the pipe connector 1. A telescopic component 3 is snapped onto one end of the pipe connector 1. A grounding wire 4 is fixedly connected to one side of the hanging clamp 2. A grounding head component 5 is fixedly connected to one end of the grounding wire 4. The grounding wire 4 is electrically connected to the grounding head component 5 of the hanging clamp 2. An installation cavity 10 is opened inside the pipe connector 1. A DSP microprocessor 11, a GPRS network communication module 12, and a WIFI network communication module 13 are respectively installed inside the installation cavity 10. The DSP microprocessor 11 is electrically connected to the hanging clamp 2, the GPRS network communication module 12, and the WIFI network communication module 13 through wires.

[0025] In this embodiment, specifically, the telescopic component 3 includes an insulating tube 30, an insulating rod 31, two ring blocks 32, a movable eccentric sleeve 33, and a limiting block 34. The pipe connector 1 is snapped onto one end of the insulating rod 31, and the bottom end of the insulating rod 31 is fixedly connected to the limiting block 34. The inner wall of the insulating tube 30 is fitted against the outer wall of the limiting block 34, and the two ring blocks 32 are linearly arrayed and integrally formed on the inner wall of the insulating tube 30. The outer wall of the movable eccentric sleeve 33 is fitted against the inner wall of the insulating tube 30, and the two ring blocks... The adjacent side of 32 is in contact with the movable eccentric sleeve 33. The outer wall of the insulating rod 31 is provided with an arc-shaped groove 14, and the arc-shaped groove 14 is in contact with the movable eccentric sleeve 33. With the above arrangement, the relevant personnel hold the insulating tube 30 and the insulating rod 31 with both hands respectively, so that the insulating rod 31 is removed from the insulating tube 30. After that, the relevant personnel hold the insulating rod 31 and rotate it in the insulating tube 30, so that the insulating rod 31 squeezes the protrusion of the movable eccentric sleeve 33, thereby fixing the insulating rod 31 at the insulating tube 30.

[0026] In this embodiment, the grounding head assembly 5 specifically includes a U-shaped frame 50, a pressure plate 51, a threaded rod 52, and a rotating rod 54. The U-shaped frame 50 is fixedly connected to one end of the grounding wire 4, and the grounding wire 4 is electrically connected to the U-shaped frame 50. The pressure plate 51 is disposed inside the U-shaped frame 50, and a wire-clamping groove 6 is provided on the inner bottom wall of the U-shaped frame 50. A threaded through hole 9 is provided on the upper surface of the U-shaped frame 50, and the outer wall of the threaded rod 52 is threadedly connected to the inner wall of the threaded through hole 9. One end of the threaded rod 52 is embedded in the upper surface of the pressure plate 51 and is rotatably connected by a bearing. The rotating rod 54 is integrally formed on the other end of the threaded rod 52. With the above configuration, relevant personnel hold the rotating rod 54 to drive the threaded rod 52 to rotate in the threaded through hole 9, thereby causing the pressure plate 51 to move within the U-shaped frame 50, thereby causing the U-shaped frame 50 and the pressure plate 51 to clamp the grounding wire. The wire-clamping groove 6 is used to initially limit the position of the grounding wire.

[0027] In this embodiment, specifically, one end of the pipe connector 1 is provided with a circular through groove 15, and the inner wall of the circular through groove 15 is symmetrically provided with L-shaped slots 18. The outer wall of the insulating rod 31 is symmetrically fixedly connected with pins 17, and the outer wall of the pins 17 is attached to the inner wall of the corresponding L-shaped slots 18. The inner wall of the circular through groove 15 is fixedly connected with an elastic rubber pad 16, and the elastic rubber pad 16 is attached to one end of the insulating rod 31. With the above settings, relevant personnel hold the pipe connector 1 and move it to the insulating rod 31, so that the circular through groove 15 is attached to the insulating rod 31, and at the same time, the pins 17 move into the corresponding L-shaped slots 18. After that, relevant personnel hold the pipe connector 1 and rotate it on the insulating rod 31, so that the L-shaped slots 18 and the pins 17 are tightly attached, thereby fixing the pipe connector 1 to the insulating rod 31 for easy loading and unloading. The elastic rubber pad 16 is used to further enhance the contact strength between the L-shaped slots 18 and the pins 17.

[0028] In this embodiment, the grounding head assembly 5 further includes a square block 53, wherein the square block 53 is fixedly connected to the inner wall of the U-shaped frame 50, and a square through groove 8 is provided on one side of the pressure plate 51. The outer wall of the square block 53 is attached to the inner wall of the square through groove 8. By setting the square block 53 and the square through groove 8 as described above, the pressure plate 51 can be moved and the position of the pressure plate 51 can be stabilized.

[0029] In this embodiment, specifically, the outer wall of the grounding wire 4 is fitted with an insulating sleeve 7.

[0030] In this embodiment, specifically, the insulating tube 30, the insulating rod 31, the ring block 32, and the limiting block 34 are made of epoxy resin.

[0031] When the invention is in operation: relevant personnel hold the rotating rod 54 to drive the threaded rod 52 to rotate in the threaded through hole 9, thereby causing the pressure plate 51 to move in the U-shaped frame 50, thereby causing the U-shaped frame 50 and the pressure plate 51 to clamp the ground wire, wherein the wire clamping groove 6 is used to initially limit the position of the ground wire.

[0032] Personnel hold the insulating tube 30 and the insulating rod 31 with both hands respectively, so that the insulating rod 31 is removed from the insulating tube 30. Then, personnel hold the insulating rod 31 and rotate it inside the insulating tube 30, so that the insulating rod 31 presses against the protrusion of the movable eccentric sleeve 33, thereby fixing the insulating rod 31 to the insulating tube 30. After that, personnel hold the insulating tube 30 and move it. The insulating tube 30, through the insulating rod 31 and the pipe joint 1, moves the hanging clamp 2 closer to the equipment. If no alarm sound is emitted, it indicates no power, and then the hanging clamp 2 is directly hung in the designated position.

[0033] When the hanging clamp 2 contacts the device under test, it generates electrostatic coupling between the two by detecting the voltage through electrostatic induction. The operation mode of not directly electrically contacting the device under test can indicate whether the device is energized.

[0034] The hanging clamp 2 processes data through the GPRS network communication module 12, and then sends and processes the data through the GPRS network communication module 12 to achieve the purpose of real-time online monitoring. The WIFI network communication module 13 allows relevant personnel to control the GPRS network communication module 12 through a mobile terminal APP. This device integrates remote positioning, customized fence, fence alarm, anti-tamper alarm and WeChat, phone and SMS push, realizing the intelligent positioning function of the grounding wire.

[0035] This alleviates the technical problem in existing technologies where, during power outage maintenance of overhead distribution lines, temporary grounding wires are connected after a power outage. This involves first using a voltage detector to check for voltage before connecting the grounding wire, which results in a time interval (statistics show that the current grounding wire connection time is quite long). If a "reverse power supply" or "power supply" situation occurs during this time, the workers face a high risk of electric shock and death, posing a safety hazard.

[0036] By connecting the grounding wire to the distribution grid frame, this device monitors the voltage of the temporary grounding wire in real time during the "removal" and "installation" processes, ensuring the safety of operators.

[0037] It also provides a graphical, real-time display of on-site grounding point test information, making it convenient for dispatchers to verify whether the operators have performed the voltage testing and grounding wire installation operations at the designated locations.

[0038] During the process of attaching temporary grounding wires, it is possible to monitor in real time whether the line under maintenance is energized, thereby avoiding the need to attach grounding wires while the line is energized.

[0039] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various variations or substitutions within the technical scope disclosed in the present invention, and these should all be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A high-voltage intelligent grounding device based on the principle of electrostatic induction, comprising a pipe connector (1) and a hanging clamp (2), characterized in that: The hanging clamp (2) is fixedly connected to one end of the pipe connector (1). One end of the pipe connector (1) is snapped with a telescopic component (3). A grounding wire (4) is fixedly connected to one side of the hanging clamp (2). A grounding head component (5) is fixedly connected to one end of the grounding wire (4). The grounding wire (4) is electrically connected to the grounding head component (5) of the hanging clamp (2). An installation cavity (10) is opened inside the pipe connector (1). A DSP microprocessor (11), a GPRS network communication module (12), and a WIFI network communication module (13) are respectively installed inside the installation cavity (10). The DSP microprocessor (11) is electrically connected to the hanging clamp (2), the GPRS network communication module (12), and the WIFI network communication module (13) through wires.

2. The high-voltage intelligent grounding device based on the principle of electrostatic induction as described in claim 1, characterized in that: The telescopic assembly (3) includes an insulating tube (30), an insulating rod (31), two ring blocks (32), a movable eccentric sleeve (33), and a limiting block (34), wherein, The pipe connector (1) is snapped onto one end of the insulating rod (31), and the bottom end of the insulating rod (31) is fixedly connected to a limiting block (34). The inner wall of the insulating tube (30) is attached to the outer wall of the limiting block (34), and the two ring blocks (32) are linearly arrayed and integrally formed on the inner wall of the insulating tube (30); The outer wall of the movable eccentric sleeve (33) is attached to the inner wall of the insulating tube (30), and the two adjacent sides of the ring blocks (32) are attached to the movable eccentric sleeve (33); The outer wall of the insulating rod (31) is provided with an arc-shaped groove (14), and the arc-shaped groove (14) is in contact with the movable eccentric sleeve (33).

3. The high-voltage intelligent grounding device based on the principle of electrostatic induction according to claim 1, characterized in that: The grounding head assembly (5) includes a U-shaped frame (50), a pressure plate (51), a threaded rod (52), and a rotating rod (54), wherein, The U-shaped frame (50) is fixedly connected to one end of the grounding wire (4), and the grounding wire (4) is electrically connected to the U-shaped frame (50); The pressure plate (51) is disposed inside the U-shaped frame (50), and the inner bottom wall of the U-shaped frame (50) is provided with a wire-holding groove (6). The upper surface of the U-shaped frame (50) is provided with a threaded through hole (9), and the outer wall of the threaded rod (52) is threaded to the inner wall of the threaded through hole (9); One end of the threaded rod (52) is embedded in the upper surface of the pressure plate (51) and is rotatably connected by a bearing; The rotating rod (54) is integrally formed at the other end of the threaded rod (52).

4. The high-voltage intelligent grounding device based on the principle of electrostatic induction according to claim 2, characterized in that: One end of the pipe connector (1) is provided with a circular through groove (15), and the inner wall of the circular through groove (15) is symmetrically provided with L-shaped slots (18). The outer wall of the insulating rod (31) is symmetrically fixedly connected with a pin (17), the outer wall of the pin (17) is attached to the inner wall of the corresponding L-shaped slot (18), and the inner wall of the circular through groove (15) is fixedly connected with an elastic rubber pad (16), the elastic rubber pad (16) is attached to one end of the insulating rod (31).

5. The high-voltage intelligent grounding device based on the principle of electrostatic induction according to claim 3, characterized in that: The grounding head assembly (5) also includes a square block (53), wherein, The square block (53) is fixedly connected to the inner wall of the U-shaped frame (50), and a square through groove (8) is provided on one side of the pressure plate (51). The outer wall of the square block (53) is attached to the inner wall of the square through groove (8).

6. The high-voltage intelligent grounding device based on the principle of electrostatic induction according to claim 1, characterized in that: The outer wall of the grounding wire (4) is fitted with an insulating sleeve (7).

7. The high-voltage intelligent grounding device based on the principle of electrostatic induction according to claim 2, characterized in that: The insulating tube (30), the insulating rod (31), the ring block (32), and the limiting block (34) are made of epoxy resin.

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