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

Abstract

The utility model discloses a near-electricity alarm device for high-voltage overhead lines, which comprises a mutual induction module, a rectification battery module, a control unit, an audible and visual alarm, a detector, and a charged display arranged on a pole of the high-voltage overhead line. The mutual induction module includes a mutual induction module A, a mutual induction module B, and a mutual induction module C, which are respectively set on each phase of the three-phase electricity for mutual induction and power removal, and its output terminals are respectively connected to the three-phase input terminals of the charged display; The output end of the mutual inductance module is connected to the rectification battery module, and the rectification battery module is connected to 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 acoustic light alarm. The utility model has the advantages of simple structure, convenient realization and low cost, and takes into account the functions of near-electricity alarm and charged state reminder, and is convenient for staff to directly read the charged state of the line through the charged display.

Description

A proximity alarm device for high-voltage overhead lines

technical field

The utility model relates to the field of power grid safety, in particular to a near-electrical alarm device for high-voltage overhead lines.

Background technique

At present, whether the overhead line in the power supply industry is live is mainly judged by the high-voltage electroscope, but because the electroscope needs to replace the battery, and the operator needs to pass it up and down on the pole through the rope, it is troublesome and the operation is also complicated, resulting in many cases. Working directly on the pole without the electric test has also caused the risk of electric shock in the power industry; the general way to solve this defect in the prior art is to verbally remind the operator to use the electric test pen to confirm whether it is charged, which still cannot solve the problem caused by the electric test pen. The cumbersome electricity inspection method cannot solve the problem of near electricity reminder.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art, and provide a near-electrical alarm device for high-voltage overhead lines to remind and drive away people or animals near the overhead line through the near-electrical alarm, and at the same time display the corresponding The charged state of the overhead line does not need to use an electroscope to directly display the charged state.

In order to achieve the above purpose, the technical solution adopted by the utility model is: a near-electrical alarm device for high-voltage overhead lines, including a mutual induction module, a rectifier battery module, a control unit, an acousto-optic Alarm, detector, charged display, the mutual induction module includes a mutual induction module A, a mutual induction module B, and a mutual induction module C, respectively corresponding to each phase of the three-phase electricity for mutual induction de-energization, and its output terminals are respectively connected to the charged The three-phase input end of the display; the output end of the mutual induction module is connected to the rectification battery module, and the rectification battery module is connected to 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, so The output end of the control unit is connected to the sound and light alarm.

Three indicator lights are integrated on the charging display, which are used to respectively correspond to the charging status of each phase of the three-phase electricity.

The battery rectification module includes a rectification module, a voltage stabilizing module, and a battery. The input end of the rectification module is connected to the output end of the mutual inductance module; the output end of the rectification module is connected to the battery through the voltage stabilizing module.

The control unit is connected with a self-inspection light for displaying the working state of the control unit.

The detector is an infrared detector or an ultrasonic detector.

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

The utility model has the advantages of simple structure, convenient implementation, low cost, taking into account the functions of near-electricity alarm and charged state reminder, which is convenient for the staff to directly read the charged state of the line through the charged display, which is simple and reliable; The light alarm function, on the one hand, can provide people with attention to the risk of electrification, and on the other hand, it can drive animals away from the line, protect the stability of the circuit, and kill two birds with one stone; it is easy to set up and can be set directly on the transmission pole.

Description of drawings

The content expressed in each accompanying drawing of the description of the present invention and the marks in the figure are briefly described below:

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

Fig. 2 is the schematic diagram of the installation principle of the alarm device of the present invention;

The reference signs in the figure are respectively:

1. Voltage transformer; 2. Live display; 3. Rectifier battery module; 4. Control unit; 5. Ultrasonic probe; 6. Sound and light buzzer; 9. Electrical box.

Detailed ways

The specific implementation manner of the present invention will be described in further detail below by describing the best embodiment with reference to the accompanying drawings.

As shown in Figure 1, a near-electricity alarm device used on high-voltage overhead lines includes a mutual induction module, a rectifier battery module, a control unit, an audible and visual alarm, a detector, and a charged display installed on the poles of the high-voltage overhead line ;

As shown in Figure 2, the mutual induction module includes three mutual induction modules: mutual induction module A, mutual induction module B, and mutual induction module C, respectively corresponding to each phase of the three-phase electricity for mutual induction power collection, and their output terminals are respectively connected to the charged display In this way, the three-phase power on the power grid can be converted by mutual inductance through the mutual inductance module and sent to the input terminal of the charged display, and then the charged display will give corresponding information according to whether the three-phase power is charged or not. show. Among them, the live display can use DXN8B-Q, which has A, B, and C three-phase input terminals corresponding to the output terminals of three mutual induction modules. At the same time, the live display integrates three indicator lights for corresponding to each phase According to the charging state of the electricity, the on and off of each indicator light is controlled correspondingly according to the input electrical signal of each phase of the mutual induction module, so that whether it is charged can be judged according to the indicator light status of the charging display, and the staff can quickly and easily obtain the power transmission Three-phase live status on the line. The live display can be directly installed on the utility pole, and its connection relationship is connected along the surface or inside of the utility pole.

Further, because the three mutual induction modules are equivalent to the power supply, the mutual induction module is a voltage mutual induction coil module, which processes the electric energy on the power grid after mutual induction or directly sends it to the power consumption module of the device of the present application. Take power from the power grid, so that the equipment can be powered. Since staff or birds approach the equipment, they not only need to give a live reminder but also a safety reminder. Therefore, this application sets a buzzer to give a reminder to ensure that The staff understand that the location where they are is at risk of being charged, and the plan is:

The output end of the mutual induction module is connected with the rectification battery module, the rectification battery module includes a rectification module, a voltage stabilizing module, and a battery, and the input end of the rectification module is connected with the output end of the mutual induction module, receives the alternating current obtained by the mutual induction and rectifies and converts it into direct current; the rectification module The output end of the rectifier is connected to the battery through the voltage stabilization module to charge the battery. The DC output from the rectifier module is stabilized by the voltage stabilization module to charge the battery, and the battery provides reliable and continuous power supply for the system.

The positive and negative poles of the battery are connected to the power supply input terminal of the control unit to provide power for the power-on work of the control unit. The control module generally uses 51 series single-chip microcomputers, which are low in cost, reliable and convenient, and have hardware for driving buzzers and ultrasonic probes. resource. The detector is mainly used to realize the use of infrared detectors or ultrasonic detectors for people or animals approaching utility poles or transmission lines; the output end of the detector is connected to the input end of the control unit to obtain whether there are people or objects nearby , the output end of the control unit is connected to the audible and visual alarm, which is used to drive away animals or remind people to pay attention to the safety of live electricity through the audible and visual alarm when there are people or objects nearby. Moreover, people can also check the live status of the line through the live display, and provide staff with fast and accurate live status reminder information.

In a preferred embodiment, the control unit is connected with the self-inspection light, which is used to display the working state of the control unit. When the control unit is in normal working state, the self-inspection light is driven to light up; Normal work provides support.

As shown in Figure 2, it is the alarm device of the present application arranged on the transmission pole, wherein the mutual induction module is used to sense the ABC three-phase electricity, and the charged display is arranged on the middle and upper part of the transmission pole; the buzzer and the self-inspection lamp can be integrated On the transmission pole, the storage battery and its rectification circuit are integrated with the control unit in the electrical box and then installed on the transmission pole to ensure the reliability of the control system.

This device installs a near-electricity alarm device on the utility pole. When the operator is close to the overhead line, he can visually see whether the line is live through the charged display device installed under the overhead line. When there are related animal activities (including people and birds, etc.), at this time, the alarm of the device will continuously send out sound and light signals, indicating that the line is charged or repelling birds. So as to achieve the purpose of safety and drive birds. At the same time, the device can also bring another function, which is to assist in finding the phase loss fault of the line. When a phase-loss fault occurs on the line, at the front of the fault point, the brightness of the three-phase live display is the same, and at the back end of the fault point, one phase of the live display will be weaker than the other two phases, so that the fault range can be quickly narrowed.

The advantages of this application include: 1. The proximity electric induction device is installed on the pole line, and the induction electricity of the line provides power to the device. The operator can judge whether the line is charged through the device, which greatly reduces the risk of electric shock

2. The electrification indicator of the device can visually see whether the line is electrified or not, and at the same time, it can be used as an auxiliary to find the phase failure of the line. When a phase-loss fault occurs on the line, at the front of the fault point, the brightness of the three-phase live display is the same, and at the back end of the fault point, one phase of the live display will be weaker than the other two phases, so that the fault range can be quickly narrowed.

3. The device has the function of repelling birds. The ultrasonic probe can detect whether there are traces of biological activities around the device, and the purpose of repelling birds can be achieved through the sound and light alarm

4. The device has a self-inspection function, which can judge whether the device can operate normally through the self-inspection light, and the charged display is directly connected to the voltage sensor, which has a long service life and high reliability.

Apparently, the specific implementation of the present invention is not limited by the above methods, as long as various insubstantial improvements are made by adopting the method concept and technical solutions of the present invention, they all fall within the protection scope of the present invention.

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.

Images