CN216672669U

CN216672669U - Over-current monitoring device for joint of main material of iron tower and grounding wire

Info

Publication number: CN216672669U
Application number: CN202122532901.3U
Authority: CN
Inventors: 吴传江; 王朋成; 邱成波; 彭结兵; 李勇; 苟坤; 杨凤枚; 张茂圆; 夏宇; 向仕平
Original assignee: Sichuan Xinchengneng Engineering Design Co ltd
Current assignee: Sichuan Xinchengneng Engineering Design Co ltd
Priority date: 2021-10-21
Filing date: 2021-10-21
Publication date: 2022-06-03
Anticipated expiration: 2031-10-21

Abstract

The utility model provides an overcurrent monitoring device for a joint of a main material of an iron tower and a ground wire, and relates to the technical field of power transmission towers. The tower comprises a shell arranged on a tower body, a processor is arranged in the shell, a current sensor and a communication module which are electrically connected with the processor are arranged in the shell, a photovoltaic panel is arranged on the outer wall of the shell, a storage battery which is electrically connected with the photovoltaic panel, the current sensor, the processor and the communication module is arranged in the shell, and the current sensor measures current information of a grounding wire.

Description

Over-current monitoring device for joint of main material of iron tower and grounding wire

Technical Field

The utility model relates to the technical field of power transmission towers, in particular to an overcurrent monitoring device at the joint of a main material of an iron tower and a grounding wire.

Background

The transmission lines are scattered in a wide region and are located in an open field, faults such as lightning stroke, pollution flashover and the like easily occur, and flashover of a tower of the transmission line sometimes occurs. The flashover of the transmission line tower can cause the fault of the whole transmission line and the whole power distribution network, and great threat is caused to the safe operation of a transmission system. The flashover of the transmission line tower comprises insulator pollution flashover and lightning pole tower flashover, pollutants in the air can be continuously accumulated on the surface of the insulator exposed in the air, if the equivalent salt density and the surface humidity of the surface of the insulator reach certain degrees, the leakage current on the surface of the insulator can be increased, and even finally, the pollution flashover occurs.

Flashover current generated by insulator pollution flashover can flow to the ground along a tower, lightning flashover of the transmission line tower is realized by establishing a discharge channel through the line tower by overvoltage caused by thundercloud discharge, so that line insulation breakdown is caused, and the lightning flashover current can also flow to the ground through the tower, so that the related conditions of the transmission line tower can be known by monitoring and analyzing tower grounding current.

SUMMERY OF THE UTILITY MODEL

The utility model aims to develop an over-current monitoring device at the joint of a main material of an iron tower and a grounding wire, which is used for remotely monitoring the current information of a grounding line of a power transmission tower.

The utility model is realized by the following technical scheme:

iron tower owner material and earth connection junction's overcurrent monitoring devices includes:

the shell is arranged on the tower body;

the processor is arranged in the shell;

the current sensor is arranged in the shell and is electrically connected with the processor;

the communication module is arranged in the shell and is electrically connected with the processor;

the photovoltaic panel is arranged on the outer wall of the shell, the storage battery electrically connected with the photovoltaic panel, the current sensor, the processor and the communication module is arranged inside the shell, and the current sensor measures current information of the grounding wire.

Optionally, a memory electrically connected to the processor and the storage battery is disposed in the housing.

Optionally, a control circuit is arranged in the casing, the control circuit is electrically connected with the photovoltaic panel and the storage battery, and the control circuit is electrically connected with the current sensor, the processor, the communication module and the memory.

Optionally, a wire hole is formed in the top of the housing, and an antenna attached to the communication module extends out of the wire hole.

Optionally, a sealing ring is arranged in the wire hole, and the outer wall and the inner wall of the sealing ring are respectively contacted with the inner wall of the wire hole and the outer wall of the antenna.

Optionally, the inner side wall of the shell is in contact with the tower body, a hanging lug is arranged on the inner side wall of the shell, and the hanging lug is connected with the tower body through a bolt.

Optionally, a ring of sealing gasket contacting with the tower body is arranged at the edge of the inner side wall of the shell.

Optionally, a through hole is correspondingly formed in the inner side wall of the shell, and the grounding wire is connected with the tower body main material through the through hole.

The utility model has the beneficial effects that:

according to the utility model, the current information of the grounding wire is acquired through the current sensor, and the current information is sent to the remote power transmission line operation and maintenance monitoring center through the processor and the communication module, so that personnel can remotely monitor the current information of the grounding wire, the memory can store and record the current information data, later-period calling is convenient, and the photovoltaic panel can utilize solar energy to supply power to the device.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a block diagram of the present invention;

fig. 2 is a view showing the inside structure of the case.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art can appreciate, the described embodiments may be modified in various different ways, without departing from the spirit or scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the utility model discloses an overcurrent monitoring device at the joint of a main material of an iron tower and a grounding wire, which comprises a shell 1 arranged on a tower body, wherein the inner side wall of the shell 1 is in contact with the tower body, a hanging lug 3 is arranged on the inner side wall of the shell 1, and the hanging lug 3 is in bolt connection with the tower body to fix the shell 1.

The inner side wall of the shell 1 is correspondingly provided with a through hole, and the grounding wire is connected with the tower body main material through the through hole. The inside wall edge of casing 1 is equipped with the round and seals up, and casing 1 fixes back on the body of the tower, and sealed pad and body of the tower in close contact with fill up the gap between 1 inside wall edge of casing and the body of the tower, realize 1 inside sealed to the casing, avoid water and impurity dust to get into in the casing 1 by the gap.

The casing 1 is inside to be equipped with current sensor, treater, communication module and memory, treater and current sensor, communication module and memory electric connection, and current sensor feeds back the current information of earth connection to the treater, and the treater is with current information data storage to the memory in to through communication module with current information transmission to long-range transmission line operation and maintenance monitoring center. The top of the shell 1 is provided with a wire hole, the antenna 4 attached to the communication module extends out of the shell 1 through the wire hole, a sealing ring is arranged in the wire hole, and the outer wall and the inner wall of the sealing ring are respectively in close contact with the inner wall of the wire hole and the outer wall of the antenna 4 to fill the gap, so that the sealing effect is achieved, and rainwater and dust are prevented from entering the shell 1.

The outer wall of the shell 1 is provided with a photovoltaic panel 2, a control circuit electrically connected with the photovoltaic panel 2 is arranged inside the shell 1, a storage battery electrically connected with the control circuit is further arranged inside the shell 1, the photovoltaic panel 2 converts solar energy into electric energy to be stored in the storage battery, the control circuit controls charging and discharging of the storage battery, and the control circuit is electrically connected with a current sensor, a processor, a communication module and a storage device in the shell 1 to supply power for the control circuit.

According to the utility model, the current information of the grounding wire is acquired through the current sensor, the current information is sent to the remote power transmission line operation and maintenance monitoring center through the processor and the communication module, so that personnel can remotely monitor the current information of the grounding wire, the memory can store and record the current information data, later-period calling is convenient, and the photovoltaic panel 2 can supply power to the device by using solar energy.

The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the technical solutions of the present invention, so long as the technical solutions can be realized on the basis of the above embodiments without creative efforts, which should be considered to fall within the protection scope of the patent of the present invention.

Claims

1. Iron tower owner material and earth connection junction's overcurrent monitoring devices, its characterized in that includes:

the shell is arranged on the tower body;

the processor is arranged in the shell;

2. The device as claimed in claim 1, wherein a memory electrically connected to the processor and the battery is disposed in the housing.

3. The device for monitoring the overcurrent at the joint of the main material of the iron tower and the grounding wire as recited in claim 2, wherein a control circuit is disposed in the housing, the control circuit is electrically connected to the photovoltaic panel and the storage battery, and the control circuit is electrically connected to the current sensor, the processor, the communication module and the memory.

4. The overcurrent monitoring device for the connection between the main material of the iron tower and the grounding wire as recited in claim 1, wherein a wire hole is formed in the top of the housing, and an antenna attached to the communication module extends out of the wire hole.

5. The device for monitoring the overcurrent at the joint of the main material of the iron tower and the grounding wire according to claim 4, wherein a sealing ring is arranged in the wire hole, and the outer wall and the inner wall of the sealing ring are respectively contacted with the inner wall of the wire hole and the outer wall of the antenna.

6. The device for monitoring the overcurrent at the joint of the main material of the iron tower and the grounding wire according to claim 1, wherein the inner side wall of the shell is in contact with the tower body, and a hanging lug is arranged on the inner side wall of the shell and is in bolted connection with the tower body.

7. The device for monitoring the overcurrent at the joint of the main material of the iron tower and the grounding wire as recited in claim 6, wherein a ring of sealing gasket contacting with the tower body is arranged on the edge of the inner side wall of the shell.

8. The device for monitoring the overcurrent at the joint of the main material of the iron tower and the grounding wire as recited in claim 7, wherein a through hole is correspondingly formed on the inner side wall of the shell, and the grounding wire is connected with the main material of the tower body through the through hole.