Power grid fault monitoring device

Abstract

The utility model discloses a power grid fault monitoring device, which relates to the technical field of power grid monitoring equipment and comprises an assembly box, a fixing piece, a connecting frame, a transparent door plate, a battery, an ultrasonic partial discharge tester, an infrared temperature measurement sensor, a ground electric wave sensor, a protruding structure, a first slot, a limiting strip and a limiting groove. According to the utility model, the connecting frame of the assembly box is sleeved on the fixing sheet to realize the insertion of the fixing sheet and the connecting frame, and the limiting strip of the fixing sheet is inserted into the limiting groove on the inner wall of the first slot to realize the limiting and clamping of the fixing sheet and the connecting frame, so that the fixing sheet can be effectively prevented from loosening from the connecting frame; the protruding structure on the top of the fixing piece can achieve automatic centering processing of the fixing piece and the connecting frame after the fixing piece and the first inserting groove are completely inserted and connected in a butt joint mode; the partial discharge condition, temperature data and partial discharge signals of power equipment in the transmission, transformation and distribution power station can be monitored and processed, so that the fault condition of a power grid is monitored.

Description

Technical Field

[0001] The utility model relates to the technical field of power grid monitoring equipment, in particular to a power grid fault monitoring device. Background Art

[0002] The power grid is a whole composed of substations of various voltages and transmission and distribution lines in the power system, which is called the power grid. It includes three units: substation, transmission and distribution. In the power grid, the transmission, transformation and distribution power station is an essential node in the power grid, and the power data monitoring in it is often directly related to the problem of power grid fault monitoring.

[0003] Patent (CN220340279U) discloses a low-voltage fault monitoring device for a distribution network. The application includes a monitoring device and a monitor arranged on the lower surface of the monitoring device. The outer wall of the monitoring device is provided with a protective shell, the bottom surface of the protective shell is open, a closing plate is fixed to the opening of the protective shell by screws, a through hole is provided on the closing plate for the monitor to pass through, a transparent protective cover for covering the monitor is installed on the closing plate, the monitoring device is installed into the protective shell through the opening at the bottom of the protective shell, and the closing plate is fixed to the opening of the protective shell by screws, thereby sealing the bottom of the protective shell, and then the transparent protective cover is installed on the closing plate, the transparent protective cover provides protection for the monitor, the transparent protective cover is conducive to the monitor to monitor the distribution network in real time, the protective shell has a protective effect on the monitoring device, and reduces the probability of damage to the device body under the action of external force.

[0004] The low-voltage fault monitoring device for the distribution network in the above-mentioned patent document mainly performs fault monitoring on the distribution network outdoors, which is not convenient for installation and monitoring inside the power transmission and distribution station. Utility Model Content

[0005] The purpose of the utility model is to provide a power grid fault monitoring device to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a power grid fault monitoring device, comprising an assembly box and a fixing plate, a connecting frame matching the fixing plate is provided on one side of the outer wall of the assembly box, a transparent door panel is hinged on the side of the outer wall of the assembly box away from the connecting frame, a battery, an ultrasonic partial discharge tester, an infrared temperature sensor and a geoelectric wave sensor are arranged inside the assembly box, the ultrasonic partial discharge tester, the infrared temperature sensor and the geoelectric wave sensor are electrically connected to the battery respectively, the top of the outer wall of the fixing plate is a protruding structure, the bottom of the outer wall of the connecting frame is provided with a first slot matching the fixing plate, the outer wall of the fixing plate is provided with a limit strip, and the inner wall of the first slot is provided with a limit groove matching the limit strip.

[0007] Furthermore, semicircular inserts are symmetrically provided on both sides of the top of the outer wall of the fixing plate, and a second slot matching the semicircular insert is provided on the inner wall of the connecting frame, and the second slot is connected to the limiting groove.

[0008] Furthermore, the protruding structure on the top of the outer wall of the fixing plate is a pacifier-shaped plane structure, and the semicircular insert is arranged in the concave part of the pacifier-shaped plane structure.

[0009] Furthermore, the fixing sheet is an adhesive sheet, and the outer wall of the adhesive sheet is provided with release paper.

[0010] Furthermore, the fixing sheet is a magnet sheet.

[0011] Furthermore, a first magnetic strip is disposed on the inner wall of the transparent door panel frame, a second magnetic strip matching the first magnetic strip is disposed on the outer wall of the assembly box, and flexible pads are disposed on the outer walls of the first magnetic strip and the second magnetic strip.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model is provided with an assembly box, a fixing plate, a connecting frame, a transparent door panel, a battery, an ultrasonic partial discharge tester, an infrared temperature sensor and a ground wave sensor, a protruding structure, a first slot, a limiting strip and a limiting slot. When in use, it is only necessary to fix the fixing plate at the position where the installation is required, and then the connecting frame of the assembly box is sleeved on the fixing plate, and the fixing plate is inserted into the first slot of the connecting frame to realize the plug-in connection between the fixing plate and the connecting frame. When the fixing plate is inserted into the first slot, the limiting strip of the fixing plate is inserted into the limiting slot of the inner wall of the first slot to realize the limiting card connection between the fixing plate and the connecting frame, which can effectively prevent the fixing plate from loosening from the connecting frame; the protruding structure on the top of the fixing plate The structure can realize automatic centering of the fixing plate and the connecting frame after the fixing plate and the first slot are fully inserted and connected, without repeatedly adjusting the installation angle of the assembly box, and the installation operation of the assembly box is more convenient and quick; the ultrasonic partial discharge tester performs ultrasonic monitoring and processing on the partial discharge of the power equipment inside the power transmission and distribution station, the infrared temperature sensor performs infrared monitoring and processing on the temperature data of the power equipment inside the power transmission and distribution station, and the ground wave sensor monitors and processes the partial discharge signal of the power equipment inside the power transmission and distribution station, thereby effectively monitoring the fault condition of the power equipment inside the power transmission and distribution station in real time, thereby realizing the monitoring of the fault condition of the power grid.

[0014] 2. In the utility model, the semicircular inserts are supported on both sides of the top of the outer wall of the fixing plate. The semicircular inserts are inserted into the second slot, which can effectively enhance the stability of the connection between the connecting frame and the fixing plate, thereby enhancing the safety and stability of the assembly box; the top of the fixing plate is designed to be smooth, making it easier for the fixing plate to be inserted into the first slot of the connecting frame. As the fixing plate and the first slot gradually contact each other, the nipple-shaped plane structure protruding from the top of the fixing plate can smoothly enter the first slot. After the fixing plate and the first slot are fully inserted and docked, the fixing plate and the connecting frame can be automatically aligned, and the installation operation of the assembly box is more convenient and quick; the two semicircular inserts and the nipple-shaped plane structure cooperate to achieve a three-point support connected between the fixing plate and the top of the first slot, which can effectively enhance the safety and stability of the connection between the fixing plate and the connecting frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a front cross-sectional view of the utility model as a whole;

[0018] Figure 3 It is the internal left view of the assembly box of the utility model;

[0019] Figure 4 It is a right side cross-sectional view of the interior of the assembly box of the utility model;

[0020] Figure 5 It is a left side view of the fixing plate of the utility model;

[0021] In the figure: 1. Assembly box; 2. Fixing plate; 3. Connecting frame; 4. Transparent door panel; 5. Battery; 6. Ultrasonic partial discharge tester; 7. Infrared temperature sensor; 8. Geomagnetic wave sensor; 9. First slot; 10. Limiting strip; 11. Limiting groove; 12. Semicircular insert; 13. Second slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 5 The utility model provides a technical solution: a power grid fault monitoring device, including an assembly box 1 and a fixing plate 2, a connecting frame 3 matching the fixing plate 2 is provided on one side of the outer wall of the assembly box 1, a transparent door panel 4 is hinged on the side of the outer wall of the assembly box 1 away from the connecting frame 3, a battery 5, an ultrasonic partial discharge tester 6, an infrared temperature sensor 7 and a ground wave sensor 8 are arranged inside the assembly box 1, the ultrasonic partial discharge tester 6, the infrared temperature sensor 7 and the ground wave sensor 8 are electrically connected to the battery 5 respectively, the top of the outer wall of the fixing plate 2 is a protruding structure, the A first slot 9 matching the fixing plate 2 is provided at the bottom of the outer wall of the connecting frame 3, a limiting strip 10 is provided on the outer wall of the fixing plate 2, and a limiting groove 11 matching the limiting strip 10 is provided on the inner wall of the first slot 9; semicircular inserts 12 are symmetrically provided on both sides of the top of the outer wall of the fixing plate 2, and a second slot 13 matching the semicircular insert 12 is provided on the inner wall of the connecting frame 3, and the second slot 13 is connected with the limiting groove 11; the protruding structure on the top of the outer wall of the fixing plate 2 is a pacifier-shaped plane structure, and the semicircular insert 12 is arranged in the recessed part of the pacifier-shaped plane structure.

[0024] The inner wall of the frame of the transparent door panel 4 is provided with a first magnetic strip, the outer wall of the assembly box 1 is provided with a second magnetic strip matching the first magnetic strip, and the outer walls of the first magnetic strip and the second magnetic strip are both provided with flexible pads.

[0025] In one embodiment, the fixing sheet 2 may be an adhesive sheet, and a release paper is provided on the outer wall of the adhesive sheet. When the equipment is installed and used, the release paper on the surface of the adhesive sheet is torn off, and then the adhesive sheet is pasted and fixed on the position where the assembly box 1 needs to be installed, and then the connecting frame 3 of the assembly box 1 is connected to the fixing sheet 2, and the installation operation of the assembly box 1 can be realized.

[0026] In another embodiment, the fixing sheet 2 is a magnet sheet. When the device is installed and used, the magnet sheet is adsorbed on the position where it needs to be installed, and then the connecting frame 3 of the assembly box 1 is connected to the fixing sheet 2, so that the installation operation of the assembly box 1 can be realized.

[0027] The working principle of this utility model:

[0028] Refer to the instruction manual Figure 1-Figure 5The utility model is provided with an assembly box 1, a fixing plate 2, a connecting frame 3, a transparent door panel 4, a battery 5, an ultrasonic partial discharge tester 6, an infrared temperature measuring sensor 7 and a ground wave sensor 8, a protruding structure, a first slot 9, a limiting strip 10 and a limiting slot 11. When in use, it is only necessary to fix the fixing plate 2 at the position where it needs to be installed, and then the connecting frame 3 of the assembly box 1 is sleeved on the fixing plate 2, and the fixing plate 2 is inserted into the first slot 9 of the connecting frame 3 to realize the plugging of the fixing plate 2 and the connecting frame 3. When the fixing plate 2 is inserted into the first slot 9, the limiting strip 10 of the fixing plate 2 is inserted into the limiting slot 11 of the inner wall of the first slot 9 to realize the limiting card connection between the fixing plate 2 and the connecting frame 3, which can effectively prevent the fixing plate 2 from loosening from the connecting frame 3; the protruding structure on the top of the fixing plate 2 makes it easier for the fixing plate 2 to be inserted into the first slot 9 of the connecting frame 3. As the fixing plate 2 and the first slot 9 gradually contact, the protruding structure on the top of the fixing plate 2 can smoothly enter the first slot 9 After the fixing plate 2 and the first slot 9 are fully inserted and docked, the fixing plate 2 and the connecting frame 3 can be automatically aligned, without repeatedly adjusting the installation angle of the assembly box 1, and the installation operation of the assembly box 1 is more convenient and quick; the transparent door panel 4 is convenient for the ultrasonic partial discharge tester 6, the infrared temperature sensor 7 and the ground wave sensor 8 to pass through the assembly box 1 to monitor and process the power equipment inside the power transmission and distribution station, and the battery 5 supplies power to the ultrasonic partial discharge tester 6, the infrared temperature sensor 7 and the ground wave sensor 8. The ultrasonic partial discharge tester 6 performs ultrasonic monitoring and processing on the partial discharge of the power equipment inside the power transmission and distribution station, the infrared temperature sensor 7 performs infrared monitoring and processing on the temperature data of the power equipment inside the power transmission and distribution station, and the ground wave sensor 8 monitors and processes the partial discharge signal of the power equipment inside the power transmission and distribution station, thereby effectively monitoring the fault of the power equipment inside the power transmission and distribution station in real time, thereby realizing the monitoring of the fault of the power grid;

[0029] Semicircular inserts 12 are symmetrically arranged on both sides of the top of the outer wall of the fixing plate 2, and a second slot 13 matching the semicircular inserts 12 is arranged on the inner wall of the connecting frame 3. The second slot 13 is connected with the limiting groove 11, and the semicircular inserts 12 are supported on both sides of the top of the outer wall of the fixing plate 2. The semicircular inserts 12 are inserted into the second slots 13, which can effectively enhance the stability of the connection between the connecting frame 3 and the fixing plate 2, thereby enhancing the safety and stability of the assembly box 1; the protruding structure on the top of the outer wall of the fixing plate 2 is a nipple-shaped plane structure, so that the top of the fixing plate 2 is a smooth design, making it easier for the fixing plate 2 to be inserted into the connecting frame 3, as the fixing plate 2 and the first slot 9 gradually contact, the nipple-shaped plane structure protruding from the top of the fixing plate 2 can smoothly enter the first slot 9, and after the fixing plate 2 and the first slot 9 are fully inserted and docked, the fixing plate 2 and the connecting frame 3 can be automatically aligned, and the installation operation of the assembly box 1 is more convenient and quick; the semicircular plug-in piece 12 is arranged at the concave part of the nipple-shaped plane structure, and the two semicircular plug-in pieces 12 and the nipple-shaped plane structure cooperate to realize the three-point support connected between the fixing plate 2 and the top of the first slot 9, which can effectively enhance the safety and stability of the connection between the fixing plate 2 and the connecting frame 3.

[0030] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A power grid fault monitoring device, comprising an assembly box (1) and a fixing plate (2), characterized in that: A connecting frame (3) matching the fixing plate (2) is provided on one side of the outer wall of the assembly box (1); a transparent door panel (4) is hingedly connected to the side of the outer wall of the assembly box (1) away from the connecting frame (3); a battery (5), an ultrasonic partial discharge tester (6), an infrared temperature sensor (7) and a ground wave sensor (8) are provided inside the assembly box (1); the ultrasonic partial discharge tester (6), the infrared temperature sensor (7) and the ground wave sensor (8) are electrically connected to the battery (5) respectively; the top of the outer wall of the fixing plate (2) is a protruding structure; the bottom of the outer wall of the connecting frame (3) is provided with a first slot (9) matching the fixing plate (2); the outer wall of the fixing plate (2) is provided with a limiting strip (10); and the inner wall of the first slot (9) is provided with a limiting groove (11) matching the limiting strip (10).

2. A power grid fault monitoring device according to claim 1, characterized in that: Semicircular inserts (12) are symmetrically provided on both sides of the top of the outer wall of the fixing plate (2), and a second slot (13) matching the semicircular insert (12) is provided on the inner wall of the connecting frame (3), and the second slot (13) is connected to the limiting groove (11).

3. A power grid fault monitoring device according to claim 2, characterized in that: The protruding structure on the top of the outer wall of the fixing plate (2) is a pacifier-shaped plane structure, and the semicircular insert (12) is arranged in the concave part of the pacifier-shaped plane structure.

4. A power grid fault monitoring device according to claim 1, characterized in that: The fixing sheet (2) is an adhesive sheet, and the outer wall of the adhesive sheet is provided with release paper.

5. A power grid fault monitoring device according to claim 1, characterized in that: The fixing sheet (2) is a magnet sheet.

6. A power grid fault monitoring device according to claim 1, characterized in that: The inner wall of the frame of the transparent door panel (4) is provided with a first magnetic strip, the outer wall of the assembly box (1) is provided with a second magnetic strip matching the first magnetic strip, and the outer walls of the first magnetic strip and the second magnetic strip are both provided with flexible pads.

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