CN203798965U - Line fault finding device - Google Patents

Abstract

The utility model discloses a line fault finding device, which comprises a box body that can be fixed on a pole tower. The box body is provided with a monitoring system for directional monitoring of overhead wires connected to the pole tower. The sound data sent to the data transmitter of the remote monitoring point, and the energy supply system used to provide electric energy to the monitoring system and the data transmitter; the line fault finding device of the utility model can generate If there is a phenomenon of powerful discharge sound, the box is fixed on the tower of the line system and the overhead wires are directional monitored throughout the entire process, and the monitored sound data is sent to the remote monitoring point. The sound data can determine the position of the tower, so as to accurately locate the fault on the transmission line, improve the fault handling efficiency of maintenance personnel, restore power as soon as possible, reduce system maintenance costs, and reduce fault losses.

Description

Line fault finding device

technical field

The utility model relates to an auxiliary tool for power transmission lines, in particular to a line fault finding device.

Background technique

The transmission line is the lifeblood of the power system, and it is responsible for the transmission of electric energy. With the increasing scale of the power system, there are more and more high-voltage, high-energy, and long-distance transmission lines. Once the transmission line fails, it will have a greater impact on the safe operation of the power system, industrial and agricultural production, and people's daily life. Therefore, it is very important to ensure the safe operation of transmission lines. The high-voltage and ultra-high-voltage transmission lines on the power grid are very long, some of which are hundreds of kilometers long, or even thousands of kilometers long, and their distribution is very wide. Insulators on transmission lines are exposed to the atmosphere for a long time, and are greatly affected by climate and environmental conditions. External factors such as lightning strikes, fog, rain, etc. will cause transmission line failures. Therefore, after the transmission line fails, how to quickly find the fault point, eliminate the fault and restore power supply is a major issue in the power system.

In the prior art, when the transmission line fails, the transmission work area can only roughly determine the location of the fault point from the technical account or the rich experience of the staff based on the data obtained by the dispatching, but cannot judge the specific location of the fault. Maintenance personnel cannot carry tools quickly and accurately to solve the fault, delaying the restoration of power supply. At present, the line fault filter system is also used to find the fault location, but the cost of this method is relatively high, and it cannot be popularized and used, and it is not applicable to 35KV lines.

Therefore, there is a need for a line fault finding device, which can use the physical effect when the fault occurs to accurately locate the fault on the transmission line, improve the fault handling efficiency of maintenance personnel, restore power as soon as possible, reduce system maintenance costs, and reduce The fault loss is improved, the safety and reliability of power supply are improved, the structure is simple, the use is convenient, and it has the value of popularization and application.

Utility model content

In view of this, the purpose of this utility model is to provide a line fault finding device, which can use the physical effect when the fault occurs to locate the fault on the transmission line more accurately, improve the fault handling efficiency of maintenance personnel, and restore power as soon as possible , reduce the maintenance cost of the system, reduce the failure loss, improve the safety and reliability of power supply, and the structure is simple, easy to use, and has the value of popularization and application.

The line fault finding device of the utility model includes a box body that can be fixed on the pole tower, and the box body is provided with a monitoring system for monitoring the overhead wires connected to the pole tower, and is used for sending the monitored sound data A data transmitter to a remote monitoring point, and an energy supply system for powering said listening system and data transmitter.

Further, a listening room is provided in the box, and a recording port is arranged on the outer wall of the box to which the listening room belongs. The listening system includes two listeners fixed in the listening room, and the listening includes a rotating paraboloid And the recorder is arranged at the focal point of the concave surface of the revolving paraboloid, and the openings of the two revolving paraboloids respectively face the overhead wires at the two ends of the tower.

Further, the monitoring system further includes a support column for supporting the rotating paraboloid, the convex surface of the rotating paraboloid is connected to the support column through a spherical hinge, and the support column is a telescopic sleeve rod structure.

Further, the listener also includes a chassis fixed on the convex surface of the rotating paraboloid, the support column is connected to the center of the chassis, and the center of the chassis coincides with the center of the convex surface.

Further, the listener also includes a cross bar and a vertical bar, the cross bar passes through the rotating paraboloid and one end thereof is fixedly connected to the chassis, and the other end is fixedly connected to the longitudinal bar, and the longitudinal bar Connect the free end to the recorder.

Further, a battery room is provided in the box, and the energy supply system is a solar energy functional system including a storage battery fixed in the battery room, an inverter, and an inverter installed above the box for receiving sunlight. solar panel.

Further, the bottom of the box body is integrally formed with a base, and a connection hole for connecting with the metal rod of the pole tower is opened on the base.

Beneficial effects of the utility model: the line fault finding device of the present utility model utilizes the phenomenon of powerful discharge sound generated by network discharge when a line fault occurs, fixes the box on the pole tower of the line system and monitors the overhead wires in a directional and full-range manner At the same time, the monitored sound data is sent to the remote monitoring point. Once a fault occurs, the position of the tower can be determined by listening to the sound data at the relevant time point, so as to accurately locate the fault on the transmission line and improve maintenance personnel. Processing efficiency, to restore power as soon as possible, reduce system maintenance costs, reduce failure losses, and improve power supply safety and reliability; the utility model is simple in structure, easy to use, has strong promotion and application value, and is especially suitable for 35KV fault-free filter signal line.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model will be further described:

Fig. 1 is the structural representation of the utility model.

Detailed ways

Fig. 1 is a schematic structural view of the utility model, as shown in the figure: the line fault finding device of this embodiment includes a box body 1 that can be fixed on the pole tower, and the box body 1 is provided with a device for connecting to the pole tower. A monitoring system for monitoring overhead wires, a data transmitter 9 for sending the monitored sound data to a remote monitoring point, and an energy supply system for providing electrical energy to the monitoring system and data transmitter 9; box body 1 It has a shell, and the inside has a structure for installing various components such as installation grooves; the box body 1 can be made of plastic materials to avoid affecting the transmission of signals; the placement position of the box body 1 enables the monitoring system to have a listening direction, and the monitoring The preferred orientation of direction is just facing the laying direction of overhead wire, certainly because sound wave propagates to all around, as long as can guarantee to realize monitoring all can; Data transmitter 9 can be GPRS/GSM/3G/4G data transmitter, utilize existing The mobile communication network transmits the signal to the receiver of the data processing center to realize real-time collection of monitoring data in an unattended environment in the field and improve work efficiency; due to the small audio data capacity, high-speed transmission can be realized; as for real-time wireless transmission The realization of this can be realized by using the existing technology, so I won’t go into details here; using the phenomenon of strong discharge sound that can be generated by network discharge when a line fault occurs, fix the box body 1 on the pole tower of the line system and orient the overhead wire Monitor the whole process, and send the monitored sound data to the remote monitoring point at the same time. Once a fault occurs, the position of the tower can be determined by listening to the sound data at the relevant time point, so as to accurately locate the fault on the transmission line and improve maintenance personnel. The fault processing efficiency is improved to restore power as soon as possible, reduce system maintenance costs, reduce fault losses, and improve power supply safety and reliability.

In this embodiment, the box body 1 is provided with a listening room 2, and the outer wall of the box body 1 to which the listening room 2 belongs is provided with a recording port 21, and the listening system includes two listening rooms fixed in the listening room 2. The listener includes a revolving paraboloid 31 and a recorder 32 located at the concave focus of the revolving paraboloid 31, and the openings of the two revolving paraboloids 31 are respectively directed to the overhead wires at both ends of the tower; the listening room 2 is not connected to the box Other spaces in the body 1 are isolated, but only a structure specially used for fixing the monitor; the recording port 21 is a small hole arranged on the outer wall of the box body 1, so that the outer wall of this part forms a network; the rotating paraboloid 31 is bowl-shaped, and the opening The surface is concave, and the back is convex; the recorder 32 is fixed at the focal point of the concave surface, and the spherical sound wave received by the concave surface converges at the focal point after being reflected by the concave surface, which can amplify the sound signal, which is conducive to enhancing the recording effect and reducing background noise interference.

In this embodiment, the monitoring system further includes a supporting column 4 for supporting the rotating paraboloid 31, the convex surface of the rotating paraboloid 31 is connected to the supporting column 4 through a spherical hinge, and the supporting column 4 is a telescopic sleeve rod structure; the support column 4 can be a telescopic sleeve rod composed of inner and outer rods, so as to flexibly adjust the length, and support the rotating paraboloid 31 to a suitable height, so that the sound collection effect is better; The upper end of the column 4 has a spherical hinge structure, so that the rotating paraboloid 31 can be turned left and right, up and down, to adjust the orientation of the concave surface, enhance the sound collection effect, and can adapt to the overhead wires connected to the tower from all directions.

In this embodiment, the listener also includes a chassis 33 fixed on the convex surface of the rotating paraboloid 31, the support column 4 is connected to the center of the chassis 33, and the center of the chassis 33 coincides with the center of the convex surface; the chassis 33 facilitates the connection of the support column 4, and at the same time increases the connection surface, enhancing the supporting effect of the support column 4 on the rotating paraboloid 31.

In this embodiment, the monitor also includes a cross bar 34 and a vertical bar 35, the cross bar 34 passes through the rotating paraboloid 31 and one end thereof is fixedly connected to the chassis 33, and the other end is connected to the longitudinal bar 35 is fixedly connected, and the free end of the vertical bar 35 is connected to the recorder 32; the combination of the horizontal bar 34 and the vertical bar 35 is an "L" shaped bar, and the vertical bar 35 can move along the length direction of the horizontal bar 34 to properly adjust The position of the recorder 32 ensures that the recorder 32 is located at the concave focal point; the longitudinal bar 35 is provided with a fixed seat for specially fixing the recorder 32, and the fixed seat can move along the length direction of the longitudinal bar 35, also in order to ensure that the recorder 32 is located Concave focus.

In this embodiment, a battery room 5 is provided inside the box body 1, and the energy supply system is a solar energy functional system including a battery 61 fixed in the battery room 5, an inverter 62, and an inverter 62 installed in the box body. 1. The solar panel 63 above is used to receive sunlight; the use of solar power is not only energy-saving and environmentally friendly, but also can realize self-sufficiency in electric energy of the device, maintain long-term operation, and avoid increasing the heavy labor of maintenance personnel to replace the power supply.

In this embodiment, the bottom of the box body 1 is integrally formed with a base 7, and the base 7 is provided with a connection hole 71 for connecting with the metal rod of the tower; the integral molding is beneficial to ensure the structural strength; the connection hole 71 can be Bolt holes are used to connect the base 7 with the metal rod of the pole tower through bolts, thereby fixing the box body 1; the structure is simple and easy to install.

Finally, it is noted that the above embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the utility model can be Modifications or equivalent replacements of the technical solutions without departing from the purpose and scope of the technical solutions of the utility model shall be covered by the claims of the utility model.

Claims (7)

1. A line fault finding device, comprising a box body that can be fixed on the pole tower, is characterized in that: a monitoring system for monitoring the overhead wires connected to the pole tower is provided in the box body, and is used for monitoring the The sound data is sent to the data transmitter at the remote monitoring point, and the energy supply system is used to provide power to the monitoring system and the data transmitter. 2. The line fault finding device according to claim 1, characterized in that: the box is provided with a listening room, and the outer wall of the box to which the listening room belongs is provided with a recording port, and the listening system includes two The listener in the listening room includes a revolving paraboloid and a recorder located at the concave focus of the revolving paraboloid, and the openings of the two revolving paraboloids face the overhead wires at both ends of the tower respectively. 3. The line fault finding device according to claim 2, characterized in that: the monitoring system further comprises a support column for supporting the rotating paraboloid, the convex surface of the rotating paraboloid is connected to the on the support column, and the support column is a telescopic sleeve rod structure. 4. The line fault finding device according to claim 3, characterized in that: the listener also includes a chassis fixed on the convex surface of the rotating paraboloid, the support column is connected to the center of the chassis, and the center of the chassis Coincident with the convex center. 5. The line fault finding device according to claim 4, characterized in that: the monitor further comprises a cross bar and a longitudinal bar, the cross bar passes through the rotating paraboloid and one end thereof is fixedly connected to the chassis , the other end is fixedly connected to the longitudinal rod, and the free end of the longitudinal rod is connected to the recorder. 6. The line fault finding device according to any one of claims 1 to 4, characterized in that: a battery room is provided in the box, and the energy supply system is a solar functional system including a solar energy system fixed in the battery room The accumulator in the box, the inverter and the solar battery panel arranged above the box for receiving sunlight. 7. The line fault finding device according to any one of claims 1 to 4, characterized in that: the bottom of the box is integrally formed with a base, and the base is provided with a connection for connecting with the metal rod of the tower hole.