CN216870715U

CN216870715U - Overhead fault indicator

Info

Publication number: CN216870715U
Application number: CN202220345344.6U
Authority: CN
Inventors: 刘树梁; 周海洋
Original assignee: Yantai Wannengda Information Technology Co ltd
Current assignee: Yantai Wannengda Information Technology Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-07-01
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses an overhead fault indicator which is arranged on an overhead line and comprises a shell, a microprocessor module in the shell and a power supply module connected with the microprocessor module, and a wireless communication module, a fault detection module, a fault indication module, a bird repelling module and an alarm module which are connected with the microprocessor module, wherein the fault detection module transmits the detected voltage and current and the temperature and humidity information in the shell to the microprocessor to judge whether the circuit has faults or not, and whether the shell has the condition of overhigh temperature or high humidity, if the shell has the fault or the condition, the wireless communication module sends fault information, temperature and humidity information and the position of the fault indicator to the monitoring terminal, meanwhile, the fault indication module indicates, the alarm module gives out alarm sound, and the bird repelling module is always in a working state, the automatic positioning of the fault information realizes the real-time monitoring of the temperature and the humidity of the indicator, the alarming of the fault and the bird repelling function.

Description

Overhead fault indicator

Technical Field

The utility model relates to the field of power grids, in particular to an overhead fault indicator.

Background

Overhead fault indicators are typically installed on overhead lines in an electrical grid to determine short circuit faults or ground faults of the overhead lines. The overhead fault indicator mainly induces secondary current and voltage through a magnetic field induced by primary current and an electric field induced by voltage, correspondingly processes the induced current and voltage and then judges whether the fault occurs, the fault is often displayed in a card turning or lamp flashing mode after the fault occurs, and fault information and a fault position are accurately transmitted to a fault line patrol person in a wireless communication mode.

Although the overhead fault indicator in the prior art can basically meet the requirement of timely transmitting fault information and fault positions of the indicator, the problem of sudden fire or shell water inflow caused by that the overhead fault indicator is often arranged on an overhead line in a power grid and confronts extreme weather is ignored, the working reliability of the overhead fault indicator cannot be ensured, and secondly, when a fault occurs, no sound alarm is generated only through turning over a plate or displaying light, so the overhead fault indicator needs to be improved on the basis of the conventional overhead fault indicator.

Disclosure of Invention

The utility model provides an overhead fault indicator, aiming at the problems that the reliability of the operation of the overhead fault indicator cannot be ensured and the warning effect is poor in the prior art.

In order to achieve the technical purpose, the utility model adopts the technical scheme that:

an overhead fault indicator is arranged on an overhead line and comprises a shell, a microprocessor module, a power supply module, a wireless communication module, a fault detection module, a fault indication module, a bird repelling module and an alarm module, wherein the microprocessor module is positioned in the shell;

the fault detection module comprises a voltage detection module, a current induction module and a temperature and humidity sensor, wherein the voltage detection module, the current induction module and the temperature and humidity sensor respectively transmit voltage information and current information in the overhead line and temperature and humidity conditions inside the shell to the microprocessor module;

the microprocessor module judges the fault state according to the detected voltage information, current information and the temperature and humidity conditions inside the shell, so that the wireless communication module, the fault indication module and the alarm module are controlled to work.

Further, the power supply circuit includes a battery.

Further, the storage battery is powered by solar energy.

Further, the bird repelling module comprises an ultrasonic generator.

Further, the microprocessor module is an MSP 430.

Further, the wireless communication module 3 includes at least one of a ZIGBEE module, a GPRS module, 3G, 4G, and 5G.

Furthermore, the fault indication module adopts turning display and lamplight display.

Further, the alarm module comprises a buzzer.

The utility model has the beneficial effects that:

the utility model realizes timely transmission of fault information and fault positions and effective driving of birds near the overhead line, reduces the probability of fire and water inflow of the indicator caused by extreme weather through the use of the temperature and humidity sensor, and performs sound alarm through the alarm module when detecting faults and the trend of fire or water inflow, thereby improving the working reliability and the warning effect of the indicator.

Drawings

Fig. 1 is a schematic structural diagram of an internal structure of an overhead fault indicator housing according to the present invention.

The figures are labeled as follows: the system comprises a power supply module, a microprocessor module, a 3-wireless communication module, a 4-fault detection module, a 41-voltage detection module, a 42-current induction module, a 43-temperature and humidity sensor, a 5-fault indication module, a 6-bird repelling module and a 7-alarm module.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

It should be noted that the overhead fault indicator is installed on an overhead line and is used to detect fault information in the overhead line, where the fault information mainly includes a short-circuit fault, a ground fault, and the like.

As shown in fig. 1, the casing of the overhead fault indicator includes a microprocessor module 2, and a power supply module 1, a wireless communication module 3, a fault detection module 4, a fault indication module 5, a bird repelling module 6 and an alarm module 7 which are connected with the microprocessor module 2.

The fault detection module 4 includes a voltage detection module 41, a current sensing module 42, and a temperature and humidity sensor 43, where the voltage detection module 41, the current sensing module 42, and the temperature and humidity sensor 43 respectively transmit voltage information and current information in the overhead line and temperature and humidity conditions inside the housing to the microprocessor module 2.

The microprocessor module 2 judges a fault state according to the detected voltage information, current information and the temperature and humidity condition inside the shell, and when any one of the detected voltage information, current information and the temperature and humidity inside the shell is judged to be that the overhead fault indicator has a fault, the microprocessor module 2 controls the wireless communication module 3, the fault indication module 5 and the alarm module 7 to work.

Wherein the alarm module 7 comprises a buzzer.

More specifically, in the present embodiment, the voltage detection module 41 mainly generates an induced voltage through the overhead line and the copper plate, the induced voltage is the voltage information collected by the voltage detection module, the current induction module 42 mainly adopts the electromagnetic induction principle to convert the primary large current into the secondary small current, the secondary current is converted into alternating current voltage through the sampling resistor, and then is converted into direct current signal after being rectified and filtered, the direct current signal is the current information finally collected by the current sensing module, the collected voltage information and current information are transmitted to the microprocessor 2 to judge whether a fault occurs, if the fault occurs, the wireless communication module 3 sends the fault information and the fault position to a monitoring terminal (not shown in the figure), meanwhile, the microprocessor 2 controls the fault indication module 5 to work and controls a buzzer of the alarm module 7 to give out alarm sound.

And temperature and humidity sensor 43 sends humiture data to microprocessor module 2 after through comparing with the temperature and humidity threshold value that sets up in advance, if be greater than this threshold value microprocessor module 2 will think that this indicator has the trend of catching fire or intaking because of external weather condition leads to, send this humiture information and this overhead type fault indicator position for monitor terminal by wireless communication module 3 this moment, microprocessor 2 control fault indication module 5 work simultaneously, control alarm module 7's bee calling organ sends alarm sound, make the problem that the information discovery this indicator of patrolling and examining personnel in time through monitor terminal, so that maintain it in the short time.

The power supply module 1 is supplied with power by a storage battery and can also be directly connected to commercial power.

When the power supply module 1 is powered by a storage battery, the storage battery is preferably powered by solar energy, and particularly, energy can be collected by installing a solar panel on the shell.

The bird repelling module 6 comprises an ultrasonic generator 61, and is used for repelling birds near the overhead line, the ultrasonic wave with fixed frequency generated by the ultrasonic generator 61 can drive the birds near the overhead line, but the birds can have certain adaptability to the ultrasonic wave with fixed frequency, so the ultrasonic wave generated by the ultrasonic generator 61 can not play a good bird repelling effect along with the time lapse, so that the ultrasonic frequency converter can be considered to be additionally arranged in the bird repelling module 6, the ultrasonic frequency generated by the ultrasonic generator 61 can be subjected to frequency conversion by additionally arranging the ultrasonic frequency converter, the bird repelling efficiency is improved, the working state of the bird repelling module does not depend on the detection result of the detection module, and the bird repelling module is always in a working state.

The microprocessor module 2 is a single-chip microcomputer, and the model of the single-chip microcomputer is MSP 430.

The wireless communication module 3 includes at least one of a ZIGBEE module, a GPRS module, 3G, 4G, and 5G.

The fault indication module 5 adopts the board turning display and the light display, when a line fault occurs in the daytime, the indicator turns the board for display, when dark at night, the resistance value of the photoelectric tube is increased, the single chip microcomputer is switched on, the board turning reset is realized, the light emitting tube is switched on for work, when the light emitting tube is on, the fault indicator is preset reset for a short time, the light resistance value received by the photoelectric tube is reduced, the single chip microcomputer is reset, the light emitting tube works, the board turning mechanism is switched on, and the board turning indication is restored.

While the above detailed description of an overhead fault indicator provided by the present application has been provided to assist in understanding the method and its core concepts, it should be noted that those skilled in the art may make various modifications and adaptations to the present application without departing from the principles of the present application and such modifications and adaptations are intended to be within the scope of the appended claims.

Claims

1. An overhead fault indicator is arranged on an overhead line, comprises a shell and is characterized by further comprising a microprocessor module (2) positioned in the shell, a power supply module (1), a wireless communication module (3), a fault detection module (4), a fault indication module (5), a bird repelling module (6) and an alarm module (7), wherein the power supply module (1), the wireless communication module (3), the fault detection module (4), the fault indication module (5) and the alarm module are connected with the microprocessor module (2);

the fault detection module (4) comprises a voltage detection module (41), a current induction module (42) and a temperature and humidity sensor (43), wherein the voltage detection module (41), the current induction module (42) and the temperature and humidity sensor (43) respectively transmit voltage information and current information in the overhead line and temperature and humidity conditions inside the shell to the microprocessor module (2);

and the microprocessor module (2) judges the fault state according to the detected voltage information, current information and the temperature and humidity conditions inside the shell, so as to control the wireless communication module (3), the fault indication module (5) and the alarm module (7) to work.

2. An overhead fault indicator as claimed in claim 1, characterized in that the power supply module (1) comprises a battery.

3. An overhead fault indicator as claimed in claim 2, wherein the battery is solar powered.

4. An overhead fault indicator as claimed in claim 1, wherein the bird repelling module (6) comprises an ultrasonic generator (61).

5. An overhead fault indicator according to claim 1, characterized in that the microprocessor module (2) is a MSP 430.

6. An overhead fault indicator as claimed in claim 1, characterized in that the wireless communication module (3) comprises at least one of a ZIGBEE module, a GPRS module, 3G, 4G and 5G.

7. An overhead fault indicator as claimed in claim 1, wherein the fault indication module (5) employs a flipping display and a lighting display.

8. An overhead fault indicator as claimed in claim 1, characterized in that the alarm module (7) comprises a buzzer.