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CN-224216804-U - Fault detection device for low-voltage power network

CN224216804UCN 224216804 UCN224216804 UCN 224216804UCN-224216804-U

Abstract

The utility model relates to the technical field of power grid fault detection and discloses a device for detecting a power grid fault, which comprises a detector and a connecting wire, wherein the side wall of the connecting wire is arranged on the side wall of the detector, a connecting assembly is arranged on the side wall of the detector, a display plate is fixedly connected to the top of the detector, one end of the connecting wire is fixedly connected with a hollow plate, a supporting plate is fixedly connected to the side wall of the hollow plate, a connecting plate is rotatably connected to the side wall of the supporting plate, a pressing assembly is arranged on the side wall of the connecting plate, the pressing assembly comprises a rotating plate, and the side wall of the rotating plate is fixedly connected to the side wall of the connecting plate. According to the utility model, the clamping plate is driven to rotate by pressing the rotating plate, then the first spring is driven, then the first spring is contracted, and then the elastic block on the side wall is driven by the movement of the clamping plate, so that the problem that the clamping jaw needs to be manually adjusted to adapt to cables with different diameters, the time consumption for installation is increased, and the diversity of the power grid fault detection device is improved.

Inventors

  • LI XIN
  • ZHAO YITING
  • LI BO
  • WANG JINZE
  • NIU RUIHUA
  • XU LEI

Assignees

  • 苏州可朗连科科技有限公司

Dates

Publication Date
20260508
Application Date
20250522

Claims (8)

  1. 1. The low-voltage power grid fault detection device comprises a detector (1) and a connecting wire (3) and is characterized in that the side wall of the connecting wire (3) is arranged on the side wall of the detector (1), a connecting component is arranged on the side wall of the detector (1), a display board (2) is fixedly connected to the top of the detector (1), a hollow board (5) is fixedly connected to one end of the connecting wire (3), a supporting board (8) is fixedly connected to the side wall of the hollow board (5), a connecting board (7) is rotatably connected to the side wall of the supporting board (8), and a pressing component is arranged on the side wall of the connecting board (7); The pressing assembly comprises a rotating plate (6), the side wall of the rotating plate (6) is fixedly connected with the side wall of a connecting plate (7), one end of the connecting plate (7) is fixedly connected with a clamping plate (9), the side wall of the clamping plate (9) is rotationally connected with the inner wall of a hollow plate (5), the side wall of the clamping plate (9) is fixedly connected with a first fixing column (10), the side wall of the first fixing column (10) is provided with a first spring (11), one end of the first spring (11) is fixedly connected with the side wall of the first fixing column (10), the other end of the first spring (11) is fixedly connected with the side wall of the first fixing column (10), and the side wall of the clamping plate (9) is fixedly connected with an elastic block (12).
  2. 2. The device for detecting the fault of the electric network according to claim 1, wherein the connecting component comprises a supporting ring (4), the side wall of the supporting ring (4) is fixedly connected to the side wall of the detector (1), and a first hollow column (13) is fixedly connected to the inner wall of the supporting ring (4).
  3. 3. The device for detecting the fault of the electric network according to claim 2, wherein the inner wall of the supporting ring (4) is fixedly connected with a second hollow column (14), and the inner wall of the second hollow column (14) is slidably connected with a copper pipe (15).
  4. 4. The device for detecting the fault of the electric network according to claim 3, wherein the side wall of the copper pipe (15) is fixedly connected with a second fixing column (17), and the outer wall of the second fixing column (17) is slidably connected with the inner wall of the first hollow column (13).
  5. 5. The device for detecting the fault of the electric power network according to claim 4, wherein the clamping ball (16) is arranged on the inner wall of the first hollow column (13), the outer wall of the clamping ball (16) is arranged on the outer wall of the second fixed column (17), and one end of the second fixed column (17) is fixedly connected with the connecting wire (3).
  6. 6. The device for detecting the fault of the electric power grid according to claim 5, wherein the outer wall of the second fixing column (17) is fixedly connected with a first fixing ring (18), and the outer wall of the first fixing ring (18) is fixedly connected with a third hollow column (21).
  7. 7. The device for detecting a fault in a power grid according to claim 6, wherein a second spring (20) is disposed on a side wall of the first fixed ring (18), one end of the second spring (20) is fixedly connected to a side wall of the first fixed ring (18), and a second fixed ring (19) is fixedly connected to the other end of the second spring (20).
  8. 8. The device for detecting the fault of the power grid as claimed in claim 7, wherein the outer wall of the second fixing ring (19) is fixedly connected to the inner wall of the third hollow column (21), and the inner wall of the third hollow column (21) is arranged on the outer wall of the clamping ball (16).

Description

Fault detection device for low-voltage power network Technical Field The utility model relates to the technical field of power grid fault detection, in particular to a device for detecting a power grid fault. Background A fault detection device for a low-voltage power network is one of core equipment for guaranteeing safe and stable operation of a power distribution network. With the deep transformation of urban and rural power grids and the popularization of distributed energy sources, the structure of a low-voltage power network is increasingly complex, the diversification trend of cable laying environments (such as an indoor power distribution cabinet, an outdoor overhead line, a wet basement and the like) is remarkable, and higher requirements are provided for the rapid deployment capacity, the environmental adaptability and the operation convenience of the fault detection device. The mechanical structure of the existing low-voltage power grid fault detection device usually adopts clamping jaws with fixed specifications or a manually-adjustable clamping assembly. For example, part of the devices are fixed by screw fastening type clamping jaws, operators need to manually screw screws to adjust the distance between the clamping jaws according to the diameters of the cables, and other devices adopt a buckle type mechanical structure to match different diameters of wires through preset multistage clamping grooves, but the number of the clamping grooves is limited and the adjusting range is fixed. The technical principle of the mechanical structure is mainly based on rigid contact and manual intervention, relies on experience judgment and repeated debugging of operators, and is characterized in that physical clamping is realized through mechanical limiting, and the capability of dynamic sensing and self-adaptive adjustment of the cable diameter is lacked. However, there are significant limitations to the manual adjustment mode of the mechanical structure of the prior art. When facing the various cable of specification in the electric wire netting, operating personnel need frequently change clamping jaw or manual screw adjustment mechanism, and the installation time consuming time of single detection is longer, especially in urgent trouble shooting scene, and this kind of consuming time can directly delay trouble location and restoration progress. In addition, the fixed slot type structure can not cover a nonstandard wire diameter cable, so that the compatibility of the device to a novel flexible cable or a special-shaped section cable is insufficient, a plurality of sets of special fixtures are needed to be equipped, the operation and maintenance cost and the equipment carrying burden are increased, and the problem is solved by the device for detecting the faults of the electric network. Disclosure of utility model In order to make up for the defects, the utility model provides a fault detection device for a power grid, and aims to solve the problem that in the prior art, clamping jaws are required to be manually adjusted to adapt to cables with different wire diameters, and the time consumption for installation is increased. In order to achieve the above purpose, the present utility model adopts the following technical scheme: The utility model provides a low-voltage power grid fault detection device, includes detector and connecting wire, the connecting wire lateral wall sets up at the detector lateral wall, the detector lateral wall is provided with coupling assembling, detector top fixedly connected with display panel, connecting wire one end fixedly connected with hollow slab, hollow slab lateral wall fixedly connected with backup pad, the backup pad lateral wall rotates and is connected with the connecting plate, the connecting plate lateral wall sets up presses the subassembly; the pressing component comprises a rotating plate, the side wall of the rotating plate is fixedly connected with the side wall of a connecting plate, one end of the connecting plate is fixedly connected with a clamping plate, the side wall of the clamping plate is rotationally connected with the inner wall of a hollow plate, the side wall of the clamping plate is fixedly connected with a first fixing column, the side wall of the first fixing column is provided with a first spring, one end of the first spring is fixedly connected with the side wall of the first fixing column, the other end of the first spring is fixedly connected with the side wall of the first fixing column, and the side wall of the clamping plate is fixedly connected with an elastic block. As a further description of the above technical solution: The connecting assembly comprises a supporting ring, the side wall of the supporting ring is fixedly connected with the side wall of the detector, and the inner wall of the supporting ring is fixedly connected with a first hollow column. As a further description of the above technical solution: The inner wall of the s