CN218896409U - Near-electricity warning device for high-voltage overhead line - Google Patents

Abstract

The utility model discloses a near-electricity alarm device for a high-voltage overhead line, which comprises a mutual inductance module, a rectifying storage battery module, a control unit, an audible and visual alarm, a detector and an electrified display, wherein the mutual inductance module is arranged on a high-voltage overhead line telegraph pole, and comprises a mutual inductance module A, a mutual inductance module B and a mutual inductance module C which are respectively and correspondingly arranged on each phase of three-phase electricity for mutual inductance electricity removal, and the output end of the mutual inductance module is respectively connected to the three-phase input end of the electrified display; the output end of the mutual inductance module is connected with the rectification storage battery module, and the rectification storage battery module is connected with the power supply input end of the control unit; the output end of the detector is connected to the input end of the control unit, and the output end of the control unit is connected to the audible and visual alarm. The utility model has simple structure, convenient realization and low cost, and has the functions of near electricity alarm and charging state reminding, thereby being convenient for staff to directly read the charging state of the line through the charging display.

Description

Near-electricity warning device for high-voltage overhead line

Technical Field

The utility model relates to the field of power grid safety, in particular to a near-electricity warning device for a high-voltage overhead line.

Background

At present, whether an overhead line in the power supply industry is electrified is judged mainly through a high-voltage electroscope, but because the electroscope needs to replace a battery and an operator is required to transmit the electricity up and down on a rod through a rope, the operation is troublesome, the operation is complex, and in many cases, the on-site operator directly climbs the rod without electroscope, so that the electric shock risk in the power industry is also caused; the general mode of solving this kind of defect among the prior art is only that the oral head carries out reminds the operating personnel and uses the test pencil to confirm whether electrified, and this kind still can not solve the loaded down with trivial details test mode that the test pencil caused, can't solve near electric problem of reminding.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, and provides a near-electricity warning device for a high-voltage overhead line, which is used for reminding and driving people or animals near the overhead line through the near-electricity warning, and displaying the charged state of the corresponding overhead line through an indicator lamp without directly displaying the charged state by adopting an electroscope.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the near-electricity warning device comprises a mutual inductance module, a rectifying storage battery module, a control unit, an audible and visual alarm, a detector and an electrified display, wherein the mutual inductance module, the rectifying storage battery module, the control unit, the audible and visual alarm, the detector and the electrified display are arranged on a high-voltage overhead line; the output end of the mutual inductance module is connected with the rectification storage battery module, and the rectification storage battery module is connected with the power supply input end of the control unit; the output end of the detector is connected to the input end of the control unit, and the output end of the control unit is connected to the audible and visual alarm.

And three indicator lamps are integrated on the electrified display and are used for respectively corresponding to the electrified state of each phase of electricity of the three-phase electricity.

The rectification storage battery module comprises a rectification module, a voltage stabilizing module and a storage battery, wherein the input end of the rectification module is connected with the output end of the mutual inductance module; the output end of the rectifying module is connected to the storage battery through the voltage stabilizing module.

The control unit is connected with the self-checking lamp and used for displaying the working state of the control unit.

The detector is an infrared detector or an ultrasonic detector.

The mutual inductance module is a voltage mutual inductance coil module.

The utility model has the advantages that: the device has the advantages of simple structure, convenient realization, low cost, and simple and reliable operation, and has the functions of near electricity alarm and charging state reminding, so that workers can conveniently read the charging state of the circuit directly through the charging display; the device has an audible and visual alarm function on the approach of people or animals, can provide people with charge risks, can drive the approach of animals to the circuit, and can protect the stability of the circuit, thereby achieving two purposes; the device is convenient to set and can be directly arranged on a transmission pole.

Drawings

The contents of the drawings and the marks in the drawings of the present specification are briefly described as follows:

FIG. 1 is an electrical schematic diagram of an alarm device of the present utility model;

FIG. 2 is a schematic diagram of the installation principle of the alarm device of the present utility model;

reference numerals in the drawings are respectively:

1. a voltage transformer; 2. a live display; 3. a rectifying battery module; 4. a control unit; 5. an ultrasonic probe; 6. an acousto-optic buzzer; 7. self-checking lamp; 8. high voltage overhead line poles; 9. an electrical box.

Detailed Description

The following detailed description of the utility model refers to the accompanying drawings, which illustrate preferred embodiments of the utility model in further detail.

As shown in fig. 1, the near-electricity alarm device for the high-voltage overhead line comprises a mutual inductance module, a rectifying storage battery module, a control unit, an audible and visual alarm, a detector and an electrified display, wherein the mutual inductance module, the rectifying storage battery module, the control unit, the audible and visual alarm, the detector and the electrified display are arranged on a telegraph pole of the high-voltage overhead line;

as shown in fig. 2, the mutual inductance module comprises a mutual inductance module a, a mutual inductance module B and a mutual inductance module C, which are respectively and correspondingly arranged on each phase of the three-phase power supply for mutual inductance power taking, and the output ends of the mutual inductance modules are respectively connected to the three-phase input ends of the electrified display; therefore, three-phase electricity on the power grid can be converted by the mutual inductance module and then sent to the input end of the electrified display, and then the electrified display correspondingly gives out display according to whether the three-phase electricity is electrified. The live display can adopt DXN8B-Q, the live display is provided with an output end of A, B, C three-phase input ends corresponding to three mutual inductance modules, and three indicator lamps are integrated on the live display and used for respectively corresponding to the electrified state of each phase of electricity of the three-phase electricity, and the on-off of each indicator lamp is correspondingly controlled according to the input electric signals of each phase of the mutual inductance modules, so that whether the live display is electrified can be judged according to the states of the indicator lamps of the live display, and workers can quickly and simply acquire the three-phase electrified state on the transmission line. The live display may be mounted directly to the pole with the connection being made along the pole surface or internally.

Further, as the three mutual inductance modules are equivalent to power supplies, the mutual inductance modules are voltage mutual inductance coil modules, and the electric energy on the electric network is subjected to mutual inductance and then is processed or directly fed into the electricity utilization module of the device. Get the electricity from the electric wire netting, just so can supply power for equipment, because staff or birds etc. need not only give electrified warning when being close to equipment and still need give safe warning, consequently this application sets up bee calling organ and gives the warning, guarantees that the staff knows that the position that self is located has electrified risk, and its scheme is:

the output end of the mutual inductance module is connected with the rectification storage battery module, the rectification storage battery module comprises a rectification module, a voltage stabilizing module and a storage battery, the input end of the rectification module is connected with the output end of the mutual inductance module, and alternating current obtained by mutual inductance is received and rectified to be converted into direct current; the output end of the rectifying module is connected to the storage battery through the voltage stabilizing module to charge the storage battery, wherein the direct current output by the rectifying module is subjected to voltage stabilization through the voltage stabilizing module to charge the storage battery, and the storage battery provides reliable and continuous power supply for the system.

The positive and negative poles of the storage battery are connected to the power supply input end of the control unit to supply power for the power-on operation of the control unit, wherein the control module generally adopts a 51-series singlechip, has low cost, is reliable and convenient, and has hardware resources for driving the buzzer and the ultrasonic probe. The detector is mainly used for realizing that an infrared detector or an ultrasonic detector is adopted for people or animals approaching a telegraph pole or a power transmission line; the output end of the detector is connected to the input end of the control unit for obtaining whether people or objects exist nearby, and the output end of the control unit is connected to the audible and visual alarm for driving animals or reminding people to pay attention to electrified safety through audible and visual alarm when people or objects exist nearby. And moreover, people can check the line electrification state through the electrification display, so that quick and accurate electrification state reminding information is provided for the staff.

In a preferred embodiment, the control unit is connected with the self-checking lamp and is used for displaying the working state of the control unit, and when the working state of the control unit is normal, the self-checking lamp is driven to be on, otherwise, the self-checking lamp is turned off, so that support can be provided for a patrol inspector to determine whether the equipment works normally.

As shown in fig. 2, the alarm device is arranged on a transmission pole, wherein a mutual inductance module is used for inducing ABC three-phase electricity, and a live display is arranged at the upper middle part of the transmission pole; the buzzer and the self-checking lamp can be integrated on the transmission pole, wherein the storage battery and the rectifying circuit thereof are integrated in the electric box together with the control unit and then are arranged on the transmission pole again, so that the reliability of the control system is ensured.

The device is provided with the near-electricity alarm device on the telegraph pole, when a worker approaches to the overhead line, the live display device arranged below the overhead line can visually see whether the line is electrified, when the line is electrified, and when relevant animals move around the device (including people, birds and the like), the alarm of the device can continuously send out an acousto-optic type signal to prompt the line to be electrified or drive birds. Thereby achieving the aims of safety and bird repelling. Meanwhile, the device can also have another function of assisting in finding out the phase failure fault of the line. When the line is in phase-failure fault, the brightness of the three-phase electrified display is consistent at the front end of the fault point, and the brightness of one phase of the electrified display is weaker than that of the other two phases at the rear end of the fault point, so that the fault range can be rapidly reduced.

The advantages of the present application include: 1. the near-electric induction device is arranged on the pole wire, the induction electricity of the circuit provides power for the device, an operator can judge whether the circuit is electrified or not through the device, and the electric shock risk is greatly reduced

2. The live display of the device can visually see whether the line is live or not, and can be used as an auxiliary search line phase failure fault. When the line is in phase-failure fault, the brightness of the three-phase electrified display is consistent at the front end of the fault point, and the brightness of one phase of the electrified display is weaker than that of the other two phases at the rear end of the fault point, so that the fault range can be rapidly reduced.

3. The device has the function of driving birds, and the ultrasonic probe can detect whether the periphery of the device has biological activity traces, and the aim of driving birds is achieved through the audible and visual alarm

4. The device has the self-checking function, can judge whether the device can normally operate through the self-checking lamp, and electrified display directly connects on voltage sensor, long service life, and the reliability is high.

It is obvious that the specific implementation of the present utility model is not limited by the above-mentioned modes, and that it is within the scope of protection of the present utility model only to adopt various insubstantial modifications made by the method conception and technical scheme of the present utility model.

Claims (6)

1. A nearly electric alarm device for on high-pressure overhead line, its characterized in that: the high-voltage overhead line wire pole comprises a mutual inductance module, a rectification storage battery module, a control unit, an audible and visual alarm, a detector and an electrified display, wherein the mutual inductance module comprises a mutual inductance module A, a mutual inductance module B and a mutual inductance module C, each phase of three-phase electricity is correspondingly arranged on each phase for taking the electricity through mutual inductance, and the output end of the mutual inductance module is connected to the three-phase input end of the electrified display; the output end of the mutual inductance module is connected with the rectification storage battery module, and the rectification storage battery module is connected with the power supply input end of the control unit; the output end of the detector is connected to the input end of the control unit, and the output end of the control unit is connected to the audible and visual alarm.

2. A near electricity warning device for use on high voltage overhead lines as claimed in claim 1, wherein: and three indicator lamps are integrated on the electrified display and are used for respectively corresponding to the electrified state of each phase of electricity of the three-phase electricity.

3. A near electricity warning device for use on high voltage overhead lines as claimed in claim 1, wherein: the rectification storage battery module comprises a rectification module, a voltage stabilizing module and a storage battery, wherein the input end of the rectification module is connected with the output end of the mutual inductance module; the output end of the rectifying module is connected to the storage battery through the voltage stabilizing module.

4. A near electricity warning device for use on high voltage overhead lines as claimed in claim 1, wherein: the control unit is connected with the self-checking lamp and used for displaying the working state of the control unit.

5. A near electricity warning device for use on high voltage overhead lines as claimed in claim 1, wherein: the detector is an infrared detector or an ultrasonic detector.

6. A near electricity warning device for use on high voltage overhead lines as claimed in claim 1, wherein: the mutual inductance module is a voltage mutual inductance coil module.

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