GIS partial discharge detection device combined with digital twinborn technology

Abstract

The utility model relates to the technical field of GIS (gas insulated switchgear) partial discharge detection, in particular to a GIS partial discharge detection device combined with a digital twinning technology, which comprises a device main body, supporting legs are inserted into the surface of an inner ring of the device main body in a limiting manner, and a detection mechanism is arranged on the upper surface of the device main body; and the detection mechanism comprises a bearing bottom plate. According to the GIS partial discharge detection device combined with the digital twin technology, the motor is arranged, the motor drives the winding roller to achieve automatic winding and unwinding of the detection data output line after being started, the detection position of the detection head assembly can be flexibly adjusted in cooperation with the operation pull handle, the requirements of different detection point positions of GIS equipment are met, and the detection accuracy is improved. The combination of the digital twinborn technology and the partial discharge detection mainboard assembly can map detection data of physical equipment to a digital model in real time, realizes accurate capture, analysis and visual presentation of partial discharge signals, greatly reduces the probability of missing detection and false detection, and provides reliable data support for equipment fault pre-judgment.

Description

TECHNICAL FIELD

[0001] The utility model relates to GIS partial discharge detection technical field especially relates to a GIS partial discharge detection device combined with digital twin technology. BACKGROUND

[0002] GIS partial discharge refers to the partial discharge phenomenon occurring in the internal part of gas insulated metal enclosed switchgear, and is the core monitoring object of the insulation state evaluation of GIS equipment. When the user detects GIS partial discharge, a detection device needs to be used.

[0003] According to the search, the Chinese utility model patent discloses a device for GIS partial discharge detection, wherein the publication number is CN210894588U, which comprises a shell, a connecting piece and a connecting head. A UHF sensor is arranged in the shell. The UHF sensor is connected with a signal transmission line through a connector on one side of the shell. The bottom side of the shell is curved. A shielding sponge is bonded to the edge of the bottom of the shell. A connecting barrel is arranged on the top of the shell. One end of the connecting piece is movably connected with the connecting barrel. The other end of the connecting piece is rotatably connected with one end of the connecting head. The other end of the connecting head is connected with an insulating rod. When the device is used to periodically detect the partial discharge of GIS, the placement flexibility of the sensor is improved. When suspicious signals are encountered during the detection process, the sensor and the basin-type insulator of GIS can be tightly attached together, which has good shielding measures and effectively reduces the interference from the outside.

[0004] When the above-mentioned patent is used by the user, the detection line winding and unwinding depends on manual operation, which has high labor intensity and low winding and unwinding efficiency. It is difficult to quickly adapt to the demand of multiple detection points of GIS equipment. The line may be worn and broken due to manual pulling, which affects the continuity of detection. The user cannot conveniently adjust the angle and distance. The adaptability to the complex structure of GIS equipment is poor, and detection dead angles are easy to appear.

[0005] Therefore, there is an urgent need for a GIS partial discharge detection device combined with digital twin technology. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a GIS partial discharge detection device combined with digital twin technology to solve the problems in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a GIS partial discharge detection device combined with digital twin technology, which comprises a device main body, a support foot is limitingly inserted into the inner ring surface of the device main body, and a detection mechanism is installed on the upper surface of the device main body.

[0008] The detection mechanism includes a receiving bottom plate mounted on the device body, the upper surface of the receiving bottom plate is fixedly connected with a partial discharge detection mainboard assembly, the upper surface of the receiving bottom plate is fixedly connected with a control operator assembly, the upper surface of the receiving bottom plate is provided with a docking frame, the inner ring surface of the docking frame is fixedly connected with a clamping block, the side surface of the clamping block is fixedly connected with a bearing, the inner ring surface of the bearing is limitingly inserted with a cylindrical insertion rod, the upper surface of the cylindrical insertion rod is fixedly connected with a clamping ring, the inner ring surface of the clamping ring is limitingly clamped with a protective shell, the inner ring surface of the protective shell is fixedly connected with a connecting block, one side of the connecting block is fixedly connected with a motor, the output shaft top end of the motor is fixedly sleeved with a winding roller, the outer ring surface of the winding roller is limitingly sleeved with a detection data output line, the side surface of the detection data output line is fixedly connected with a detection head assembly, and the inner ring surface of the clamping ring is limitingly inserted with a limiting insertion shaft.

[0009] Preferably, the outer ring surface of the limiting insertion shaft is limitingly sleeved with a limiting ring, and the structures between the limiting ring and the detection data output line are mutually matched.

[0010] Preferably, the bottom surface of the supporting leg is attached with a plurality of anti-skid pieces which are parallel to each other.

[0011] Preferably, the upper surface of the detection head assembly is fixedly connected with an operation handle, and the operation handle is connected through the detection head assembly and the detection data output line.

[0012] Preferably, the motor is connected through the connecting block and the protective shell, and the connecting block is symmetrically arranged with the vertical center line of the motor as the axis of symmetry.

[0013] Preferably, the side surface of the protective shell is provided with a plurality of heat dissipation openings.

[0014] Preferably, the bearing is connected through the clamping block and the docking frame, and the clamping block is arranged around the bearing as the center point.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] The motor is arranged, and the motor drives the winding roller to realize automatic winding and unwinding of the detection data output line after starting, the detection position of the detection head assembly can be flexibly adjusted by cooperating with the operation handle, the needs of different detection points of GIS equipment are adapted, the combination of digital twin technology and the partial discharge detection mainboard assembly can realize real-time mapping of detection data of physical equipment to a digital model, accurate capture, analysis and visual presentation of partial discharge signals, and the probability of missed detection and false detection is greatly reduced, and reliable data support is provided for equipment fault prediction.

[0017] Through the clamping ring and the modular connection structure of the clamping ring and the limiting plug shaft, the protective shell is convenient to disassemble and assemble, maintenance and repair of core components such as the motor and the detection circuit are facilitated, the design of the plurality of heat dissipation openings can quickly dissipate the heat generated during the operation of the motor, the service life of the components is prolonged, and the anti-skid pieces at the bottom of the supporting feet improve the stability of the device placement, avoid the influence of data accuracy caused by equipment displacement during detection, the overall structure takes into account the operation convenience and operation reliability, and reduces the operation intensity of the on-site detection. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is an overall structure schematic view of the utility model;

[0019] Figure 2 It is a top view structure schematic view of the utility model;

[0020] Figure 3 It is a back view structure schematic view of the utility model;

[0021] Figure 4 It is a side view structure schematic view of the utility model;

[0022] Figure 5 It is a side view structure schematic view of the utility model.

[0023] In the drawing: 1, device main body;2, supporting foot;3, detection mechanism;301, bearing bottom plate;302, partial discharge detection mainboard assembly;303, butt joint frame;304, clamping block;305, bearing;306, cylindrical plug rod;307, clamping ring;308, protective shell;309, connecting block;310, motor;311, winding roller;312, detection data output line;313, limiting plug shaft;314, limiting ring;315, control operator assembly;316, detection head assembly;317, operation pull handle;318, heat dissipation opening;4, anti-skid piece. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] Please refer to Figures 1-5 The utility model provides a kind of technical scheme: a GIS partial discharge detection device combined with digital twin technology, including device main body 1, the inner circle surface of device main body 1 is limited and inserted with supporting foot 2, the upper surface of device main body 1 is installed and is provided with detection mechanism 3;

[0026] The detection mechanism 3 comprises a receiving base plate 301 mounted on the device body 1, the upper surface of the receiving base plate 301 is fixedly connected with a local detection mainboard assembly 302, the upper surface of the receiving base plate 301 is fixedly connected with a control operator assembly 315, the upper surface of the receiving base plate 301 is provided with a docking frame 303, the inner surface of the docking frame 303 is fixedly connected with a clamping block 304, the side surface of the clamping block 304 is fixedly connected with a bearing 305, the inner surface of the bearing 305 is limitingly inserted with a cylindrical plug rod 306, the upper surface of the cylindrical plug rod 306 is fixedly connected with a clamping ring 307, the inner surface of the clamping ring 307 is limitingly clamped with a protective shell 308, the inner surface of the protective shell 308 is fixedly connected with a connecting block 309, one side of the connecting block 309 is fixedly connected with a motor 310, the output shaft top end of the motor 310 is fixedly sleeved with a winding roller 311, the outer surface of the winding roller 311 is limitingly sleeved with a detection data output line 312, the side surface of the detection data output line 312 is fixedly connected with a detection head assembly 316, the inner surface of the clamping ring 307 is limitingly inserted with a limiting shaft 313.

[0027] Further, the outer surface of the limiting shaft 313 is limitingly sleeved with a limiting ring 314, and the structure of the limiting ring 314 and the detection data output line 312 is matched with each other, the limiting ring 314 can form accurate limiting guidance for the detection data output line 312, avoid offset, winding or wear in the process of winding and unwinding, and ensure the stability of line transmission.

[0028] Further, the bottom surface of the supporting leg 2 is connected with a plurality of anti-skid pieces 4, and the plurality of anti-skid pieces 4 are parallel to each other, the plurality of parallel anti-skid pieces 4 can greatly increase the contact friction between the supporting leg 2 and the working surface, effectively prevent the device from shifting or falling due to external force touching or slight uneven ground during detection work, and provide basic guarantee for the stability of the detection process.

[0029] Further, the upper surface of the detection head assembly 316 is fixedly connected with an operating pull 317, and the operating pull 317 is connected through the detection head assembly 316 and the detection data output line 312, the operating pull 317 provides a convenient force point for the position adjustment of the detection head assembly 316, the operating personnel can easily pull the detection head by holding the pull, and cooperate with the winding roller 311 driven by the motor 310 to realize the quick switching of the detection head assembly 316 at different detection points, reduce the operation strength, and improve the detection flexibility.

[0030] Further, the motor 310 is connected through the connecting block 309 and the protective shell 308, and the connecting block 309 is symmetrically arranged with the vertical center line of the motor 310 as the symmetry axis. The symmetrically arranged connecting block 309 can provide balanced fixing support for the motor 310, ensure that the shaft center of the motor 310 remains stable during high-speed operation, and avoid the output shaft from deviating or the components from loosening due to vibration.

[0031] Further, the side surface of the protective shell 308 is provided with a plurality of heat dissipation openings 318, which can form efficient air circulation channels to quickly dissipate the heat generated by the motor 310 during operation, avoid overheating of the motor 310 due to high internal temperature of the protective shell 308, and provide heat dissipation protection for long-term stable operation of the motor 310, thereby prolonging the service life of the core components.

[0032] Further, the bearing 305 is connected through the clamping block 304 and the butt joint frame 303, and the clamping block 304 is arranged around the bearing 305 as the center point. The clamping block 304 can stably clamp the bearing 305 from multiple directions to ensure the firmness of the connection between the bearing 305 and the butt joint frame 303, and avoid displacement or shaking of the bearing 305 during rotation of the cylindrical plug rod 306.

[0033] Working principle: when a user needs to use a GIS partial discharge detection device combined with digital twin technology, first place the device main body 1 on the detection work surface through the support feet 2 inserted and limited on the inner ring surface. The multiple parallel anti-skid pieces 4 connected at the bottom increase the friction, ensure stable placement, and avoid displacement during detection. Through the operation handle 317 fixedly connected to the upper surface of the detection head assembly 316, cooperate with the control operator assembly 315 to start the motor 310 in the protective shell 308. The output shaft of the motor 310 drives the winding roller 311 to rotate, and releases the detection data output line 312 sleeved on the outer ring surface.

[0034] Adjust the position of the detection head assembly 316 by the handheld operation handle 317. During this period, the clamping ring 307 can rotate relative to the bearing 305 on the clamping block 304 through the cylindrical plug rod 306 at the bottom, realize flexible adjustment of the detection angle, and at the same time, the limiting plug shaft 313 in the inner ring of the clamping ring 307 and the limiting ring 314 sleeved on the outer ring limit and guide the detection data output line 312 to avoid winding. After the detection head assembly 316 contacts the GIS equipment detection point, the partial discharge signal is transmitted to the partial discharge detection mainboard assembly 302 on the receiving base plate 301 through the detection data output line 312. The partial discharge detection mainboard assembly 302 is linked with the digital twin technology to real-time map the physical detection data to the digital model for analysis and processing.

[0035] During the operation of the motor 310, the plurality of heat dissipation openings 318 are arranged on the side of the protective shell 308 to quickly dissipate heat, thereby ensuring stable operation of the motor 310; the butt joint frame 303 provides fixed support for the bearing 305, the cylindrical plug rod 306 and other components through the clamping block 304, thereby ensuring smooth transmission structure; after the detection is completed, the motor 310 is controlled to reverse through the control operator assembly 315, the detection data output line 312 is retracted by the winding roller 311, the protective shell 308 can be disassembled by loosening the limiting plug shaft 313, and the motor 310, the detection data output line 312 and other components are maintained and repaired.

[0036] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A GIS partial discharge detection device combined with digital twin technology, comprising a device main body (1), characterized in that: The inner ring surface of the device body (1) is fitted with a support foot (2), and the upper surface of the device body (1) is equipped with a detection mechanism (3). The detection mechanism (3) includes a base plate (301), which is mounted on the main body (1) of the device. A partial discharge detection main board assembly (302) is fixedly connected to the upper surface of the base plate (301). A control operator assembly (315) is fixedly connected to the upper surface of the base plate (301). A docking frame (303) is installed on the upper surface of the base plate (301). A snap-fit ​​block (304) is fixedly connected to the inner ring surface of the docking frame (303). A bearing (305) is fixedly connected to the side surface of the snap-fit ​​block (304). A cylindrical insert rod (306) is inserted into the inner ring surface of the bearing (305). A snap ring (307) is fixedly connected to the upper surface of the snap ring (306). A protective shell (308) is snapped onto the inner ring surface of the snap ring (307). A connecting block (309) is fixedly connected to the inner ring surface of the protective shell (308). A motor (310) is fixedly connected to one side of the connecting block (309). A take-up roller (311) is fixedly sleeved at the top of the output shaft of the motor (310). A detection data output line (312) is sleeved onto the outer ring surface of the take-up roller (311). A detection head assembly (316) is fixedly connected to the side surface of the detection data output line (312). A limiting insert shaft (313) is inserted into the inner ring surface of the snap ring (307).

2. The GIS partial discharge detection device combined with digital twin technology according to claim 1, characterized in that: The outer ring surface of the limiting insert (313) is fitted with a limiting ring (314), and the limiting ring (314) and the detection data output line (312) are structurally compatible.

3. The GIS partial discharge detection device combined with digital twin technology according to claim 1, characterized in that: The bottom surface of the support foot (2) is fitted with anti-slip plates (4), and there are multiple anti-slip plates (4) that are parallel to each other.

4. The GIS partial discharge detection device combined with digital twin technology according to claim 1, characterized in that: An operating handle (317) is fixedly connected to the upper surface of the detection head assembly (316), and the operating handle (317) is connected to the detection data output line (312) through the detection head assembly (316).

5. The GIS partial discharge detection device combined with digital twin technology according to claim 1, characterized in that: The motor (310) is connected to the protective shell (308) via a connecting block (309), and the connecting block (309) is symmetrically arranged with the vertical center line of the motor (310) as the axis of symmetry.

6. The GIS partial discharge detection device combined with digital twin technology according to claim 1, characterized in that: The protective shell (308) has a heat dissipation opening (318) through its side surface, and there are multiple heat dissipation openings (318).

7. The GIS partial discharge detection device combined with digital twin technology according to claim 1, characterized in that: The bearing (305) is connected to the mating frame (303) via a snap-fit ​​block (304), and the snap-fit ​​block (304) is arranged around the bearing (305) as the center point.

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