CN205246792U - Thunder and lightning fault locating monitoring devices based on FPGA - Google Patents

Abstract

The utility model discloses an FPGA-based lightning fault location monitoring device, which comprises a transmission line, a cable fixing head, a bracket, a monitoring device, a utility pole, a ground receiving device, a lightning current sensor, a protection module, an A/D conversion module, a data Processing control module, ZigBee transmitting end, external power supply module, alarm module, LCD display module, monitoring device shell; Described transmission line is connected with cable fixing head; Described monitoring device is connected on the utility pole; Described data processing control module and The external power module is connected; the ground receiving device is at the bottom of the utility pole. The utility model combines the lightning current into the monitoring device to detect the fault in the transmission network, and uses GPS to send the faulty line section to the central control module, adopts an alarm device, can accurately locate, and quickly repairs. The device uses FPGA data Once the processor has a problem with the device, the FPGA can be reprogrammed without replacement, which is more convenient and safer.

Description

A lightning fault location monitoring device based on FPGA

【Technical field】

The utility model relates to the technical field of a lightning fault monitoring device, in particular to the technical field of an FPGA-based lightning fault monitoring device.

【Background technique】

Nowadays, people's lives are increasingly inseparable from electricity, but not every place is suitable for building power plants, and in many places, remote power transmission is often required to establish a complete transmission network. There are transmission towers on the mountain and electric poles on the ground, which can be seen everywhere. However, in thunderstorm weather, it is easy to attract lightning and damage the transmission line. Once there is a problem in the middle of the transmission line, because it is a long-distance transmission, it is necessary to rely on people to travel such a long distance. It is unrealistic to find where the fault occurs, and it will cost manpower, material and financial resources, and the transmission network also needs to be monitored regularly, and it is very troublesome to detect. At this time, the lightning fault location monitoring device can be used to determine the location of the bone station through GPS at the first time. A section of wire position shortens the repair time.

【Content of utility model】

The purpose of this utility model is to solve the problems in the prior art, and propose a lightning fault location monitoring device based on FPGA, which can quickly and accurately determine the fault line, and can monitor remotely, which is more convenient. The programming feature, once the device has a problem, there is no need to replace the internal parts of the device, and it can be repaired on the spot without delaying the monitoring, and the device uses civilian power, and it is converted to 5V by a transformer, which is safer.

In order to achieve the above object, the utility model proposes a lightning fault location monitoring device based on FPGA, including transmission line, cable fixing head, bracket, monitoring device, utility pole, ground receiving device, lightning current sensor, protection module, A/ D conversion module, data processing control module, ZigBee transmitting end, external power supply module, alarm module, LCD display module, monitoring device shell; Described transmission line is connected with cable fixed head; Described monitoring device is connected on the utility pole; Described The data processing control module is connected with the external power supply module; the ground receiving device is at the bottom of the utility pole.

Preferably, the monitoring device is connected to the utility pole through a bracket.

Preferably, the lightning current sensor adopts a Rogowski coil.

Preferably, the utility pole is made of cement material.

Preferably, the ground receiving device includes a ZigBee receiving end and a GPS transmitting end.

Preferably, the protection module includes a balance conversion circuit and a protection circuit.

Preferably, the data processing control module adopts FPGA data processor.

Preferably, the external power supply module adopts a civil power supply and contains a voltage conversion chip inside.

Beneficial effects of the utility model: the utility model detects the fault location in the transmission network by combining the lightning current into the monitoring device, and uses GPS to send the fault line section to the central control module, and adopts the alarm device, which can accurately locate and quickly For maintenance, the FPGA data processor is used in the device. Once there is a problem with the device, the FPGA can be reprogrammed without replacement, which is more convenient and safer.

The features and advantages of the utility model will be described in detail through embodiments in conjunction with the accompanying drawings.

【Description of drawings】

Fig. 1 is the internal structure block diagram of a kind of FPGA-based lightning fault location monitoring device of the present invention;

Fig. 2 is the appearance structural diagram of a kind of FPGA-based lightning fault location monitoring device of the present invention on the utility pole;

Fig. 3 is a working flow chart of an FPGA-based lightning fault location monitoring device of the present invention.

In the figure: 1-power transmission line, 2-cable fixing head, 3-bracket, 4-monitoring device, 5-telephone pole, 6-ground receiving device, 41-lightning current sensor, 42-protection module, 43-A/D Conversion module, 44-data processing control module, 45-ZigBee transmitter, 46-external power supply module, 47-alarm module, 48-LCD display module, 49-monitoring device shell.

【detailed description】

Referring to Fig. 1, Fig. 2 and Fig. 3, a kind of lightning fault location monitoring device based on FPGA of the present invention comprises transmission line 1, cable fixing head 2, bracket 3, monitoring device 4, utility pole 5, ground receiving device 6, Lightning current sensor 41, protection module 42, A/D conversion module 43, data processing control module 44, ZigBee transmitter 45, external power supply module 46, alarm module 47, LCD display module 48, monitoring device shell 49; The power line 1 is connected to the cable fixing head 2; the monitoring device 4 is connected to the utility pole 5; the data processing control module 44 is connected to the external power supply module 46; the ground receiving device 6 is at the bottom of the utility pole 5.

Described monitoring device is connected with utility pole 5 by support 3; Described lightning current sensor 41 adopts Rogowski coil; Described utility pole 5 adopts cement material; Described ground receiving device 6 comprises ZigBee receiving terminal and GPS transmitting terminal; Described protection The module 42 includes a balance conversion circuit and a protection circuit; the data processing control module 44 adopts an FPGA data processor; the external power module 46 adopts a civilian power supply, and contains a voltage conversion chip inside.

The working process of the utility model:

In the working process of the FPGA-based lightning fault location monitoring device of the utility model, the lightning current sensor 41 makes the circuit work by attracting lightning stimulation, starts the balance conversion circuit, and then passes through the protection circuit and the A/D conversion module 43 to reach The data processor module 44 sends an alarm through data processing, displays it through the LCD display module 48, and passes the signal to the GPS positioning module, and then to the central control module, so that the staff can know the fault line section and carry out emergency repairs.

The utility model combines the lightning current into the monitoring device to detect the fault in the transmission network, and uses GPS to send the faulty line section to the central control module, adopts an alarm device, can accurately locate, and quickly repairs. The device uses FPGA data The processor, once there is a problem with the device, the FPGA can be reprogrammed without replacement, which is more convenient and safer.

The above-mentioned embodiment is an illustration of the utility model, not a limitation of the utility model, and any scheme after a simple transformation of the utility model belongs to the protection scope of the utility model.

Claims (8)

1. A lightning fault location monitoring device based on FPGA is characterized in that: comprising power line (1), cable gland (2), support (3), monitoring device (4), utility pole (5), ground receiving Device (6), lightning current sensor (41), protection module (42), A/D conversion module (43), data processing control module (44), ZigBee transmitter (45), external power supply module (46), alarm module (47), LCD display module (48), monitoring device housing (49); the power line (1) is connected to the cable gland (2); the monitoring device (4) is connected to the utility pole (5) The data processing control module (44) is connected to the external power supply module (46); the ground receiving device (6) is at the bottom of the utility pole (5). 2. A lightning fault location monitoring device based on FPGA according to claim 1, characterized in that: the monitoring device is connected to the utility pole (5) through a bracket (3). 3. A lightning fault location and monitoring device based on FPGA according to claim 1, characterized in that: the lightning current sensor (41) adopts a Rogowski coil. 4. A lightning fault location and monitoring device based on FPGA according to claim 1, characterized in that: said utility pole (5) is made of cement material. 5. A kind of lightning fault location monitoring device based on FPGA as claimed in claim 1, is characterized in that: described ground receiving device (6) comprises ZigBee receiving end and GPS transmitting end. 6. A lightning fault location and monitoring device based on FPGA according to claim 1, characterized in that: the protection module (42) includes a balance conversion circuit and a protection circuit. 7. A kind of FPGA-based lightning fault location monitoring device as claimed in claim 1, is characterized in that: described data processing control module (44) adopts FPGA data processor. 8. A lightning fault location and monitoring device based on FPGA as claimed in claim 1, characterized in that: said external power supply module (46) adopts a civil power supply and contains a voltage conversion chip inside.