CN220983401U

CN220983401U - Online monitoring device for open-close type lightning arrester

Info

Publication number: CN220983401U
Application number: CN202322358120.6U
Authority: CN
Inventors: 张超; 吕宁利; 梁彦鹏
Original assignee: Xi'an Norhfish Intelligent Technology Co ltd
Current assignee: Xi'an Norhfish Intelligent Technology Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-05-17
Anticipated expiration: 2033-08-31

Abstract

The utility model relates to an on-line monitoring device of an open-close type lightning arrester, which comprises an upright post (1) and a sleeve (2) connected to the upright post (1), wherein the sleeve (2) is connected with a grounding wire (3), the other end of the grounding wire (3) is grounded, a monitoring main body (4) is fixedly connected to the upright post (1), an acquisition unit (5) is fixedly connected to the monitoring main body (4), and the grounding wire (3) is arranged through the acquisition unit (5). The utility model can mount the acquisition unit on the grounding wire directly without dismantling the existing grounding wire during mounting, has convenient mounting and high mounting efficiency, and can save cost.

Description

Online monitoring device for open-close type lightning arrester

Technical Field

The utility model belongs to the technical field of electrical equipment, and particularly relates to an on-line monitoring device for an open-close type lightning arrester.

Background

The lightning arrester on-line monitoring device monitors leakage current, resistive current, capacitive current, lightning stroke times and lightning stroke moments of the lightning arrester in real time on line, and can monitor the insulation condition of high-voltage electrical equipment in real time. As shown in fig. 2, in the past, an on-line monitoring device host 7 of a lightning arrester is installed on a stand column 1 by adopting a hoop bracket, an original grounding wire 3 is required to be disassembled during installation, a new cable is connected with a sleeve 2, and then a host threading pipe is penetrated into the ground, so that signal acquisition of a current sensor is realized, a plurality of inconveniences are brought to installation, and materials such as an original cable copper plate are wasted.

Disclosure of utility model

The utility model aims to solve the problems and provide an on-line monitoring device for an open-close type lightning arrester.

In order to achieve the above purpose, the utility model provides an on-line monitoring device for an open-close type lightning arrester, which comprises an upright post and a sleeve connected to the upright post, wherein the sleeve is connected with a grounding wire, the other end of the grounding wire is grounded, a monitoring main body is fixedly connected to the upright post, an acquisition unit is fixedly connected to the monitoring main body, and the grounding wire passes through the acquisition unit to be arranged.

Further, the acquisition unit is fixedly connected with the monitoring main body through a screw.

Further, the collecting unit comprises a box body and a box cover which is sealed and opened and closed with the box body;

The box body and the box cover are correspondingly provided with clamping grooves, and the clamping grooves on the box body and the clamping grooves on the box cover are used for clamping the grounding wire.

Further, a leakage transformer and a lightning stroke frequency transformer are installed in the box body, and the grounding wire sequentially penetrates through the leakage transformer and the lightning stroke frequency transformer.

Further, the box body and the box cover are provided with matched locking structures.

The beneficial effects of the utility model are as follows:

The utility model does not need to dismantle the existing grounding wire when being installed, can directly install the acquisition unit on the grounding wire, is convenient to install, has high installation efficiency, and can save cost, on the other hand, the open-close type lightning arrester on-line monitoring device of the utility model does not need to dismantle the original grounding wire, thus live working, no equal-voltage power failure and great convenience for transformation construction of the running transformer substation.

Drawings

Fig. 1 schematically shows a structural view of an on-line monitoring device for an open-close type arrester according to an embodiment of the present utility model;

fig. 2 is a block diagram schematically showing an on-line monitoring device for a lightning arrester in the prior art;

Fig. 3 schematically shows a block diagram of an acquisition unit according to an embodiment of the utility model.

The reference numerals in the drawings represent the following meanings:

1. A column; 2. a sleeve; 3. a ground wire; 5. an acquisition unit; 4. monitoring a subject; 7. monitoring a host; 51. a case; 52. a case cover; 53. a clamping groove; 54. a leakage transformer; 55. a lightning stroke frequency transformer.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments will be briefly described below. It is apparent that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

The present utility model will be described in detail below with reference to the drawings and the specific embodiments, which are not described in detail herein, but the embodiments of the present utility model are not limited to the following embodiments.

The utility model provides an on-line monitoring device for an open-close type lightning arrester, which is shown in combination with fig. 1 and 3, and comprises an upright post 1, a sleeve 2, a grounding wire 3, a monitoring main body 4 and an acquisition unit 5.

According to one embodiment of the utility model, the sleeve 2 is sleeved on the upright 1 and is connected with the upright 1, one end of the grounding wire 3 is connected with the sleeve 2, and the other end is grounded. The monitoring body 4 is fixed on the upright 1 and is located below the sleeve 2, the collecting unit 5 is fixedly connected with the monitoring body 4, according to one embodiment of the utility model, the collecting unit 5 is fixedly connected with the monitoring body 4 through a screw, and the grounding wire 3 passes through the collecting unit 5.

According to the on-line monitoring device for the open-close type lightning arrester, the existing monitoring host is provided with the monitoring main body 4 and the acquisition unit 5, the acquisition unit 5 is fixedly connected with the monitoring main body 4, and the grounding wire 3 is arranged through the acquisition unit 5. Compared with the on-line monitoring device of the lightning arrester in the prior art, the on-line monitoring device of the lightning arrester in the utility model does not need to dismantle the existing grounding wire 3 when being installed, can directly install the acquisition unit on the grounding wire, is convenient to install, has high installation efficiency, and can save cost, and on the other hand, the on-line monitoring device of the open-close type lightning arrester in the utility model can realize live working without removing the original grounding wire, has no need of high-voltage power failure and is greatly convenient for transformation construction of a running transformer substation.

As shown in fig. 3, the collecting unit 5 of the present utility model includes a case 51 and a cover 52 that is hermetically opened and closed with the case 51. The case body 51 and the case cover 52 are provided with a locking groove 53, and the locking groove 53 on the case body 51 and the locking groove 53 on the case cover 52 lock the ground wire 3. In the present embodiment, a leakage transformer 54 and a lightning stroke number transformer 55 are mounted in the case 51, and the ground wire 3 passes through the leakage transformer 54 and the lightning stroke number transformer 55 in this order. The case 51 and the cover 52 are further provided with cooperating locking structures 56.

The above description is only one embodiment of the present utility model and is not intended to limit the present utility model, and various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides an open-close type arrester on-line monitoring device, includes stand (1), connects sleeve pipe (2) on stand (1), sleeve pipe (2) are connected with earth connection (3), its characterized in that, earth connection (3) other end ground connection, fixedly connected with monitoring main part (4) on stand (1), fixedly connected with collection unit (5) on monitoring main part (4), earth connection (3) pass collection unit (5) set up.

2. The on-line monitoring device for an open-close type lightning arrester according to claim 1, wherein the acquisition unit (5) is fixedly connected with the monitoring main body (4) through a screw.

3. The on-line monitoring device of an open-close type lightning arrester according to claim 1, wherein the collecting unit (5) comprises a box body (51) and a box cover (52) which is sealed and opened with the box body (51);

The box body (51) and the box cover (52) are correspondingly provided with clamping grooves (53), and the clamping grooves (53) on the box body (51) and the clamping grooves (53) on the box cover (52) clamp the grounding wire (3).

4. An open-close type lightning arrester on-line monitoring device according to claim 3, characterized in that a leakage transformer (54) and a lightning stroke number transformer (55) are installed in the box body (51), and the grounding wire (3) sequentially penetrates through the leakage transformer (54) and the lightning stroke number transformer (55).

5. The on-line monitoring device for an open-close type lightning arrester according to claim 4, wherein the case body (51) and the case cover (52) are provided with matched locking structures (56).