Power distribution network fault positioning device
By designing the motor-driven driving driving driving wheel and driven wheel, the fault positioning device that drives the signal acquisition hook to move along the wire, the problem of high labor intensity, low efficiency and safety hazards caused by frequent climbing of line poles by workers in the prior art is solved, and efficient and accurate fault positioning is achieved.
Patent Information
- Application Number
- CN202411761806.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-03-04
AI Technical Summary
The existing power distribution network fault positioning technology requires workers to frequently climb wire poles, which is labor-intensive, low-efficiency and has great safety hazards.
A power distribution network fault positioning device is designed, using a motor-driven driving driving wheel and driven wheel. By moving the driving wheel and driven wheel on the conductor, the signal acquisition hook is driven to move along the conductor to achieve accurate judgment of the fault point.
It effectively reduces the labor intensity of workers, improves the efficiency and accuracy of fault positioning, reduces safety hazards during work, and has a simple structure and simple operation.
Smart Images
Figure CN119556062A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of power fault locating technology, and in particular to a power distribution network fault locating device. Background Art
[0002] In the prior art, when a power distribution fault occurs in a line, a single-phase grounding fault point inspection device is usually used to check the fault location. In the specific work, first find the corresponding grounding phase, connect the signal acquisition hook to the three-phase conductor respectively, connect the single-phase grounding fault point inspection host to make a judgment through the current; usually the grounding phase test current is significantly different from the other two phases by dozens of times; after the specific section is found, the binary method is used for positioning and investigation, that is, the signal acquisition position of the corresponding section is gradually adjusted to narrow the investigation range, and then find the specific location of the fault point for maintenance work; this method requires construction personnel to constantly climb up and down the poles, which is not only labor-intensive and inefficient, but also has great safety hazards; therefore, there is an urgent need for a power distribution network fault locating device with low labor intensity, high efficiency and strong safety. Summary of the invention
[0003] The purpose of the present invention is to provide a power distribution network fault locating device, which can effectively reduce the labor intensity of workers during fault locating, improve work efficiency, and ensure safety at the same time. It has a simple structure, is easy to operate and use, and has strong practicality.
[0004] The present invention adopts the following technical solutions: A power distribution network fault locating device comprises a single-phase grounding fault point inspection host and a signal collection hook connected to the single-phase grounding fault point inspection host, wherein the signal collection hook is arranged on one side of a driving plate, a driving wheel driven by a motor is arranged on the driving plate, a driven wheel is rotatably arranged below the driving wheel, and a space for a wire to pass through is formed between the driving wheel and the driven wheel; when working, the wire is placed between the driving wheel and the driven wheel, the motor drives the driving wheel to move along the length direction of the wire, and the signal collection hook moves synchronously and transmits the collected current signal to the single-phase grounding fault point inspection host for fault point judgment.
[0005] Preferably, the driving wheel and the driven wheel are both recessed with arc-shaped wheel grooves.
[0006] Preferably, an insulating rod is provided on the driving plate, an adjusting rod is movably provided on the insulating rod, and the adjusting rod is connected to a slider provided on the driving plate; a connecting frame is provided on the slider, and the connecting frame is connected to the driven wheel, and the driven wheel can be adjusted by vertical sliding along the driving plate.
[0007] Preferably, the interior of the insulating rod is a hollow structure, and the adjusting rod is coaxially and elastically arranged inside the insulating rod; an adjusting hole is vertically opened on one side of the insulating rod, and an operating handle perpendicular to the adjusting rod is arranged at the bottom of the adjusting rod, and the operating handle moves out of the adjusting hole.
[0008] Preferably, a positioning rod is elastically provided on the operating handle, and a positioning groove is provided on the inner wall of the insulating rod.
[0009] Preferably, the insulating rod is detachably connected to the driving plate, and a battery for supplying power to the motor is arranged on the driving plate.
[0010] Preferably, the signal collection hook is connected to the single-phase grounding fault point inspection host through a transmission wire, and the transmission wire is arranged on a wire reel.
[0011] Preferably, the signal collection hook is connected to the single-phase grounding fault point inspection host through a transmission wire, and the transmission wire is arranged on a wire reel.
[0012] Preferably, the mobile cart is provided with an energy storage power supply for replenishing the battery, and the mobile cart is provided with a charging port connected to the energy storage power supply on the outside.
[0013] Preferably, a fixed sleeve is provided on one side of the mobile cart.
[0014] Compared with the prior art, the present invention has the following beneficial effects: the present invention arranges the signal acquisition hook on the driving plate, and the driving plate is driven by a motor to move the driving wheel. During fault location and troubleshooting, the movement of the driving plate drives the signal acquisition hook to move along the wire for step-by-step troubleshooting operations, which not only avoids the high-intensity work caused by workers frequently climbing the poles, but also improves work efficiency, and at the same time can improve the troubleshooting accuracy and reduce safety hazards during the work process. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 A top view of an embodiment of the present application; Figure 2 A side cross-sectional view of a driving plate according to an embodiment of the present application; Figure 3 This is a schematic diagram of the structure of the signal acquisition hook of the embodiment of the present application; Figure 4 for Figure 1 A magnified view of middle; Figure 5 for Figure 1 Enlarged view of B. DETAILED DESCRIPTION
[0016] The present invention will be described clearly and completely below with reference to the accompanying drawings and embodiments: like Figures 1 to 5 As shown, a power distribution network fault locating device described in the present invention comprises a single-phase grounding fault point inspection host 1, and a signal acquisition hook 2 connected to the single-phase grounding fault point inspection host 1; the signal acquisition hook 2 is arranged on one side of a driving plate 3, a motor-driven driving wheel 4 is arranged on the driving plate 3, an insulating protective cover 5 is arranged outside the motor, two driving wheels 4 are preferably arranged in parallel, and the two driving wheels 4 can be driven by the motor in the form of a transmission belt and a pulley; a driven wheel 6 is rotatably arranged below the driving wheel 4, and a space for the wire to be passed is formed between the driving wheel 4 and the driven wheel 6; when working, the wire to be tested is placed between the driving wheel 4 and the driven wheel 6, and the motor drives the driving wheel 4 to move along the length direction of the wire, and the signal acquisition hook 2 moves synchronously and transmits the collected current signal to the single-phase grounding fault point inspection host 1 for accurate judgment of the fault point.
[0017] Furthermore, in this embodiment, the driving wheel 4 and the driven wheel 6 are both recessed with arc-shaped wheel grooves to better cooperate with the wires and ensure the stability of the movement of the driving plate 3. The driving plate 3 is provided with an insulating rod 7, and an adjusting rod 8 is movably provided on the insulating rod 7, that is, the adjusting rod 8 can be adjusted along the length direction of the insulating rod 7, and the adjusting rod 8 is connected to a slider 9 provided on the driving plate 3; a connecting frame 10 is provided on the slider 9, and the connecting frame 10 is connected to the driven wheel 6, and the driven wheel 6 can be adjusted by vertical sliding along the driving plate 3. During operation, the setting of the insulating rod 7 helps to hang the driving plate 3 on the guide wire to ensure a safe distance during construction; the setting of the adjusting rod 8 helps to adjust the distance between the driving wheel 4 and the driven wheel 6 to ensure that the driving plate 3 is smoothly hung on the guide wire.
[0018] Furthermore, the interior of the insulating rod 7 is a hollow structure, and the adjusting rod 8 is coaxially arranged in the insulating rod 7. The adjusting rod 8 is elastically arranged in the insulating rod 7 by a reset spring 11; an adjusting hole 12 is vertically opened on one side of the insulating rod 7, and a connecting rod connected to the slider 9 is vertically arranged on the top of the adjusting rod 8. The connecting rod movably extends out from the adjusting hole 12, and driven by the adjusting rod 8, the slider 9 moves up and down; an operating handle 13 perpendicular to the adjusting rod 8 is arranged at the bottom of the adjusting rod 8, and the operating handle 13 movably extends out from the adjusting hole 12 to facilitate the up and down pulling adjustment of the adjusting rod 8.
[0019] In addition, a receiving groove 14 is provided on the operating handle 13, and a positioning rod 16 is arranged in the receiving groove 14 through a positioning spring 15. An adjusting block 17 is provided at the top of the positioning rod 16 to pull and adjust the positioning rod 16. A positioning groove 18 is provided on the inner wall of the insulating rod 7. The positioning of the positioning rod 16 in the positioning groove 18 helps to fix and adjust the spacing between the driving wheel 4 and the driven wheel 6 to meet the clamping needs of wires of different diameters. Scale lines are preferably provided on the outer wall of the insulating rod 7 to accurately adjust the distance between the driving wheel 4 and the driven wheel 6 according to the diameter of the wire.
[0020] Furthermore, the insulating rod 7 is detachably connected to the driving plate 3, and the connecting rod is also detachably connected to the slider 9, which can be connected by threaded connection or fixed connection by bolts, so that it can be disassembled for storage and storage. The driving plate 3 is provided with a battery for powering the motor, and the battery is arranged in the insulating protective cover 5. The signal acquisition hook 2 is connected to the single-phase grounding fault point inspection host 1 through a transmission wire 19, and the transmission wire 19 is arranged on a wire drum 20. As the driving plate 3 moves, the wire drum 20 will be driven to rotate to release the transmission wire 19, avoiding the situation that the staff still needs to follow the driving plate 3 on the ground, preventing the inconvenience caused to the staff in the poor road conditions, and ensuring safety.
[0021] Furthermore, the wire reel 20 is arranged on a mobile cart 21, and the mobile cart 21 is a box structure with enclosures on all sides, which is convenient for the placement of various accessories; in addition, the mobile cart 21 can also push the wire reel 20 to move with the driving plate 3 under conditions suitable for traffic, thereby reducing the large traction force required to pull the transmission wire 19 when the driving plate 3 moves, and ensuring the stable movement of the driving plate 3. The mobile cart 21 is also provided with an energy storage power supply for replenishing the battery, and the outside of the mobile cart 21 is provided with a charging port 22 connected to the energy storage power supply, so as to facilitate the replenishment of the battery on the spot at any time. In addition, a fixed sleeve 23 is also provided on one side of the mobile cart 21. The fixed sleeve 23 is a U-shaped structure, which can be used for the fixed placement of the insulating rod 7 after disassembly, thereby enhancing the practicality of the present invention.
[0022] When the present invention is used, the corresponding grounding phase is firstly found by connecting the signal acquisition hook 2 to the three-phase conductors respectively, and the single-phase grounding fault point inspection host 1 is connected to make a judgment by the current size. After the fault line is found, the driving plate 3 is hung on the fault conductor using the driving wheel 4 and the driven wheel 6, and the control motor is turned on to move along the fault conductor. The signal acquisition hook 2 moves synchronously and transmits the collected current signal to the single-phase grounding fault point inspection host 1 to make an accurate judgment of the fault point. The entire operation process only requires manual climbing of the wire pole during the early stage of fault troubleshooting and the subsequent equipment removal. The rest of the operation only requires the staff to control the movement of the driving plate 3 on the ground and observe the current signal received by the single-phase grounding fault point inspection host 1, which avoids the high-intensity work and high safety hazards caused by the staff frequently climbing up and down. At the same time, the present invention also effectively improves the troubleshooting efficiency and troubleshooting accuracy, with a simple structure, easy operation, and strong practicality.
Claims
1. A power distribution network fault location device, comprising a single-phase grounding fault point inspection host, and a signal collection hook connected to the single-phase grounding fault point inspection host, characterized in that: The signal acquisition hook is arranged on one side of a driving plate, and a driving wheel driven by a motor is arranged on the driving plate, and a driven wheel is rotatably arranged below the driving wheel, and a space for the wire to pass through is formed between the driving wheel and the driven wheel; when working, the wire is placed between the driving wheel and the driven wheel, and the motor drives the driving wheel to move along the length direction of the wire, and the signal acquisition hook moves synchronously and transmits the collected current signal to the single-phase grounding fault point inspection host to judge the fault point.
2. The power distribution network fault location device according to claim 1, characterized in that: The driving wheel and the driven wheel are both recessed with arc-shaped wheel grooves.
3. The power distribution network fault location device according to claim 1, characterized in that: The driving plate is provided with an insulating rod, on which an adjusting rod is movably provided, and the adjusting rod is connected to a slider provided on the driving plate; a connecting frame is provided on the slider, and the connecting frame is connected to the driven wheel, and the driven wheel can be adjusted by vertical sliding along the driving plate.
4. The power distribution network fault location device according to claim 3, characterized in that: The interior of the insulating rod is a hollow structure, and the adjusting rod is coaxially and elastically arranged inside the insulating rod; an adjusting hole is vertically opened on one side of the insulating rod, and an operating handle perpendicular to the adjusting rod is arranged at the bottom of the adjusting rod, and the operating handle movably passes through the adjusting hole.
5. The power distribution network fault location device according to claim 4, characterized in that: A positioning rod is elastically arranged on the operating handle, and a positioning groove is arranged on the inner wall of the insulating rod.
6. The power distribution network fault location device according to claim 3, characterized in that: The insulating rod is detachably connected to the driving plate, and a battery for supplying power to the motor is arranged on the driving plate.
7. The power distribution network fault location device according to claim 6, characterized in that: The signal collection hook is connected to the single-phase grounding fault point inspection host through a transmission wire, and the transmission wire is arranged on a wire reel.
8. The power distribution network fault location device according to claim 7, characterized in that: The wire reel is arranged on a mobile cart.
9. The power distribution network fault location device according to claim 8, characterized in that: The mobile cart is provided with an energy storage power supply for replenishing the battery, and the mobile cart is provided with a charging port connected to the energy storage power supply on the outside.
10. The power distribution network fault location device according to claim 8, characterized in that: A fixed clamping sleeve is arranged on one side of the mobile cart.