CN220671567U

CN220671567U - Fault detection positioning device for low-voltage distribution network

Info

Publication number: CN220671567U
Application number: CN202322246795.1U
Authority: CN
Inventors: 袁海国
Original assignee: Zhengzhou Electric Power College
Current assignee: Zhengzhou Electric Power College
Priority date: 2023-08-21
Filing date: 2023-08-21
Publication date: 2024-03-26
Anticipated expiration: 2033-08-21

Abstract

The utility model relates to the technical field of power grid fault detection and discloses a fault detection positioning device for a low-voltage distribution network, which comprises a flat car, a cable fault detector, a detection probe, a wireless remote controller, a current alarm mechanism, a clamping mechanism and an automatic moving mechanism, wherein the cable fault detector is installed on the flat car, the detection probe is installed on one side of the flat car, the detection probe is electrically connected with the cable fault detector through an electric wire, the clamping mechanism for clamping the detection probe is installed on the side surface of the flat car, a storage tank is arranged on the flat car, the wireless remote controller is placed in the storage tank, the automatic moving mechanism is installed on the flat car, and the current alarm mechanism is installed on the flat car. The utility model automatically carries out the fault point of the cable, is convenient for detecting the current on the ground and has high safety.

Description

Fault detection positioning device for low-voltage distribution network

Technical Field

The utility model relates to the technical field of power grid fault detection, in particular to a fault detection positioning device for a low-voltage power distribution network.

Background

The distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive compensators, some auxiliary facilities and the like, and plays a role in distributing electric energy in the power network. A power distribution network below 1KV is called a low voltage power distribution network.

There are two ways of installing the low-voltage distribution network, one is installed in the air, and the other is buried underground, wherein the low-voltage line buried underground is more prone to faults than the line installed in the air. When underground line faults, people adopt cable fault detector to detect the fault point, but, at present, when using cable fault detector to detect, need people's a hand to hold cable fault detector body, hold the test probe in hand and press close to ground and detect, because during the detection people need walk along the circuit, and line fault can leak electricity to ground, lead to the people to possibly walk to the electric leakage region and be electrified, higher security risk, therefore, to above current situation, urgent need develop an automatic go on to cable fault point, it is convenient to detect subaerial electric current, the high low voltage distribution network fault detection positioner of security, in order to overcome the not enough in the current practical application, satisfy current demand.

Disclosure of Invention

The utility model aims to provide a fault detection positioning device for a low-voltage distribution network, which is used for automatically detecting a cable fault point, and is convenient for detecting current on the ground and high in safety.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a low voltage distribution network fault detection positioner, includes flatbed, cable fault detector, test probe, wireless remote controller, electric current alarm mechanism, fixture and automatic movement mechanism, install cable fault detector on the flatbed, test probe is installed to one side of flatbed, test probe passes through electric wire and cable fault detector electric connection, the fixture that is used for pressing from both sides tight test probe is installed to the side-mounting of flatbed, be provided with the storage tank on the flatbed, wireless remote controller has been placed in the storage tank, install automatic movement mechanism on the flatbed, install electric current alarm mechanism on the flatbed.

Preferably: the current alarm mechanism comprises: alarm lamp, support, conducting rod, wire, boss and spring, the alarm lamp is installed on the flatbed, the support is fixed in the downside of flatbed, sliding connection has the conducting rod on the support, the wire that links to each other with the alarm lamp is installed at the top of conducting rod, the left and right sides of conducting rod all is fixed with a boss, every all install a spring that links to each other with the support on the boss, the bottom of conducting rod is circular arc shape.

Preferably: the clamping mechanism comprises: the electric telescopic rod and the snap ring, the electric telescopic rod is fixed in the side of flatbed, the front end of electric telescopic rod is fixed mutually with the snap ring.

Preferably: the automatic moving mechanism includes: the driving motor is fixed on the flat car, the rotating shaft is rotationally connected to the lower side of the flat car, the driving wheel is mounted on an output shaft of the driving motor, the driving wheel is rotationally connected with the driven wheel through the driving belt, the driven wheel is mounted on the rotating shaft, and two rollers are mounted on the rotating shaft.

Preferably: the driving motor is in wireless connection with the wireless remote controller.

The beneficial effects of the utility model are as follows: this low-voltage distribution network fault detection positioner, when using, open cable fault detector earlier, the people takes out wireless remote controller, stand in the position of keeping away from flatbed one section distance and control automatic shifter, drive the flatbed through automatic shifter and remove, make the test probe remove to the cable top buried underground, then, make the flatbed advance along the cable, detect the fault point of cable through test probe, when detecting the fault point, cable fault detector sends alarm signal and reminds people, simultaneously, test the ground around the flatbed through current alarm mechanism, when subaerial current has, the current is conducted to the warning lamp through conducting rod and wire on, make the warning lamp scintillation report to the police, warn people not to be close to, if the warning lamp does not have the signal, then indicate safety, the people can be close to. In conclusion, the utility model automatically detects the fault point of the cable, and has the advantages of convenience for detecting the current on the ground and high safety.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of a second embodiment of the present utility model.

Fig. 3 is a schematic perspective view of the third embodiment of the present utility model.

Fig. 4 is a schematic view of a part of the structure of the present utility model.

Legend description:

1. a flat car; 101. a storage tank; 2. a cable fault detector; 201. a detection probe; 202. an electric wire; 3. a mobile power supply; 4. a wireless remote control; 5. a current alarm mechanism; 501. an alarm lamp; 502. a bracket; 503. a conductive rod; 504. a wire; 505. a boss; 506. a spring; 6. a clamping mechanism; 601. an electric telescopic rod; 602. a clasp; 7. an automatic moving mechanism; 701. a driving motor; 702. a rotating shaft; 703. a roller; 704. a driving wheel; 705. driven wheel; 706. a driving belt.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1 to 4, in the embodiment of the utility model, a fault detection positioning device for a low-voltage distribution network comprises a flat car 1, a cable fault detector 2, a detection probe 201, a wireless remote controller 4, a current alarm mechanism 5, a clamping mechanism 6 and an automatic moving mechanism 7, wherein the cable fault detector 2 is installed on the flat car 1, the detection probe 201 is installed on one side of the flat car 1, the detection probe 201 is electrically connected with the cable fault detector 2 through an electric wire 202, the clamping mechanism 6 for clamping the detection probe 201 is installed on the side surface of the flat car 1, a storage tank 101 is arranged on the flat car 1, a wireless remote controller 4 is placed in the storage tank 101, an automatic moving mechanism 7 is installed on the flat car 1, a current alarm mechanism 5 is installed on the flat car 1, when the flat car 1 is placed on the ground, the bottom of the current alarm mechanism 5 is attached to the ground, when the flat car 1 is used, the cable fault detector 2 is firstly opened, a person takes out the wireless remote controller 4, stands at a position far away from the flat car 1, controls the automatic moving mechanism 7, drives the flat car 1 to move through the automatic moving mechanism 7, so that the underground detection probe 201 moves to the position above the flat car, then the flat car is buried in the ground, and when a current alarm mechanism 1 is not detected, and a current alarm signal is sent out along the cable fault detector 5, and the current alarm mechanism 5 is sent by the cable alarm mechanism when the flat car is detected, and the current alarm mechanism 1 is attached to the ground, and the current alarm mechanism is detected, and the current alarm mechanism 1 is attached to the ground when the current alarm mechanism is detected.

The current warning mechanism 5 includes: alarm lamp 501, support 502, conducting rod 503, wire 504, boss 505 and spring 506, alarm lamp 501 installs on flatbed 1, support 502 is fixed in the downside of flatbed 1, sliding connection has conducting rod 503 on the support 502, the wire 504 that links to each other with alarm lamp 501 is installed at the top of conducting rod 503, the left and right sides of conducting rod 503 all is fixed with a boss 505, install a spring 506 that links to each other with support 502 on every boss 505, the bottom of conducting rod 503 is circular arc shape, make things convenient for conducting rod 503 to slide on subaerial, when flatbed 1 is placed subaerial, the bottom of conducting rod 503 is pasted subaerial, and spring 506 is in compression state, can make conducting rod 503 better paste subaerial through the elasticity of spring 506, when subaerial current, the electric current is conducted to alarm lamp 501 through conducting rod 503 and wire 504 for alarm lamp 501 scintillation warning.

The clamping mechanism 6 includes: the electric telescopic rod 601 and the snap ring 602, the electric telescopic rod 601 is fixed on the side face of the flat car 1, the front end of the electric telescopic rod 601 is fixed with the snap ring 602, and when the electric telescopic rod 601 is used, the snap ring 602 is driven to clamp the detection probe 201.

The automatic moving mechanism 7 includes: the driving motor 701, the rotating shaft 702, the idler wheels 703, the driving wheel 704, the driven wheel 705 and the transmission belt 706, wherein the driving motor 701 is fixed on the flat car 1, the rotating shaft 702 is rotationally connected to the lower side of the flat car 1, the driving wheel 704 is installed on an output shaft of the driving motor 701, the driving wheel 704 is rotationally connected with the driven wheel 705 through the transmission belt 706, the driven wheel 705 is installed on the rotating shaft 702, the two idler wheels 703 are installed on the rotating shaft 702, during use, the driving wheel 704 and the driven wheel 705 are driven to rotate through the driving motor 701, the rotating shaft 702 is driven to rotate through the driven wheel 705, the idler wheels 703 are driven to rotate through the rotating shaft 702, the flat car 1 moves on the ground, and the driving motor 701 is in wireless connection with the wireless remote controller 4, so that the control is convenient.

A mobile power supply 3 is installed on the flat car 1, and power is supplied to the electric telescopic rod 601 and the driving motor 701 through the mobile power supply 3.

Working principle: this low-voltage distribution network fault detection positioner, during the use, open cable fault detector 2 earlier, the people takes out wireless remote controller 4, stand in the position of keeping away from flatbed 1 a section distance and control automatic shifter 7, drive flatbed 1 through automatic shifter 7 and remove, make test probe 201 remove to the cable top buried underground, then, make flatbed 1 advance along the cable, detect the fault point of cable through test probe 201, when detecting the fault point, cable fault detector 2 sends alarm signal and reminds people, simultaneously, test the ground around flatbed 1 through current alarm mechanism 5, when subaerial current has, the current is conducted to on warning light 501 through conducting rod 503 and wire 504, make warning light 501 scintillation alarm, people are not close to, if warning light 501 does not have the signal, indicate safety, the people can be close to.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides a low-voltage distribution network fault detection positioner, its characterized in that, including flatbed (1), cable fault detector (2), test probe (201), wireless remote controller (4), electric current alarm mechanism (5), fixture (6) and automatic movement mechanism (7), install cable fault detector (2) on flatbed (1), test probe (201) are installed to one side of flatbed (1), test probe (201) pass through electric wire (202) and cable fault detector (2) electric connection, fixture (6) that are used for pressing from both sides tight test probe (201) are installed to the side-mounting of flatbed (1), be provided with storage tank (101) on flatbed (1), wireless remote controller (4) have been placed in storage tank (101), install automatic movement mechanism (7) on flatbed (1), install electric current alarm mechanism (5) on flatbed (1).

2. The fault detection and location device for a low voltage distribution network according to claim 1, characterized in that the current alarm mechanism (5) comprises: alarm lamp (501), support (502), conducting rod (503), wire (504), boss (505) and spring (506), alarm lamp (501) are installed on flatbed (1), support (502) are fixed in downside of flatbed (1), sliding connection has conducting rod (503) on support (502), wire (504) continuous with alarm lamp (501) are installed at the top of conducting rod (503), the left and right sides of conducting rod (503) all is fixed with a boss (505), every all install on boss (505) spring (506) continuous with support (502), the bottom of conducting rod (503) is the circular arc shape.

3. The fault detection and location device for a low voltage distribution network according to claim 1, characterized in that the clamping mechanism (6) comprises: the electric telescopic rod (601) and the snap ring (602), the electric telescopic rod (601) is fixed on the side face of the flat car (1), and the front end of the electric telescopic rod (601) is fixed with the snap ring (602).

4. The fault detection and location device for a low voltage distribution network according to claim 1, characterized in that the automatic movement mechanism (7) comprises: driving motor (701), pivot (702), gyro wheel (703), action wheel (704), follow driving wheel (705) and drive belt (706), driving motor (701) are fixed in on flatbed (1), pivot (702) rotate and connect in the downside of flatbed (1), install action wheel (704) on the output shaft of driving motor (701), action wheel (704) are connected through drive belt (706) and follow driving wheel (705) rotation, follow driving wheel (705) and install on pivot (702), install two gyro wheels (703) on pivot (702).

5. The fault detection and location device for a low voltage distribution network according to claim 4, wherein the driving motor (701) is wirelessly connected with a wireless remote controller (4).