CN-122017324-A - Unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system

Abstract

An ultrahigh voltage alternating current transmission line electricity testing device and system based on unmanned aerial vehicle relates to the technical field of electrified detection of power equipment. The power transmission line detection device comprises an unmanned aerial vehicle, an electricity detection module and a ground control module, wherein the electricity detection module is arranged at the landing gear position of the unmanned aerial vehicle, and can perform non-contact type electricity detection operation and contact type electricity detection operation on the power transmission line in the air. The electricity checking module is composed of a first electricity checking module, a second electricity checking module and a data communication module. The invention can realize remote, safe and efficient unmanned aerial vehicle electricity inspection operation of the ultra-high voltage transmission line, obviously reduce the artificial risk and improve the detection efficiency and accuracy.

Inventors

• LIANG BAOQING
• WANG FENG
• HAN CHUNCHENG
• DU BING
• REN WEIHE
• ZHANG HANG
• WANG WEIDA
• SUN ZHI
• Fei Longbo
• WANG XINGYUAN

Assignees

• 国网吉林省电力有限公司超高压公司

Dates

Publication Date

20260512

Application Date

20260211

Claims (7)

1. 1. The ultra-high voltage alternating current transmission line electricity testing device and system based on the unmanned aerial vehicle are characterized by comprising the unmanned aerial vehicle, an electricity testing module and a ground control module, wherein the electricity testing module is connected with an undercarriage of the unmanned aerial vehicle.
2. 2. The unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system according to claim 1, wherein the electricity testing module comprises a first electricity testing module, a second electricity testing module and a data communication module. The ground control module comprises a signal receiving module, a signal processing module, a display module and an alarm module.
3. 3. The unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system are characterized in that the first electricity testing module comprises a power frequency electromagnetic field probe, the power frequency electromagnetic field probe is used for acquiring an electric field intensity detection signal of an ultrahigh voltage alternating current transmission line to be tested so as to conduct non-contact electricity testing on the ultrahigh voltage alternating current transmission line, the second electricity testing module is used for contacting the ultrahigh voltage alternating current transmission line to be tested and acquiring a voltage detection signal of the ultrahigh voltage alternating current transmission line to be tested so as to conduct contact electricity testing on the ultrahigh voltage alternating current transmission line to be tested, and the data communication module is used for sending the electric field intensity detection signal and the voltage detection signal to a ground control module.
4. 4. The unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system according to claim 3, wherein the first electricity testing module comprises an electric field flat plate sensor and a sampling analysis circuit, and the sampling analysis circuit is respectively connected with the electric field flat plate sensor and the data communication module. The electric field flat plate sensor is used for collecting a first electric field intensity detection signal of the ultra-high voltage alternating current transmission line to be detected, the sampling analysis circuit is used for carrying out signal filtering processing and signal amplification processing on the first electric field intensity detection signal to determine a second electric field intensity detection signal, and the data communication module sends the second electric field intensity detection signal to the ground control module.
5. 5. The unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system according to claim 3, wherein the second electricity testing module comprises an electroscope probe and a mechanical pressure sensor. The electroscope probe is a needle-type three-dimensional contact electroscope probe, and is used for directly contacting the ultra-high voltage alternating current transmission line to be tested and obtaining a voltage detection signal of the ultra-high voltage alternating current transmission line to be tested; the mechanical pressure sensor is arranged beside the electroscope probe and is used for sending a contact signal to the data communication module when the electroscope probe and the ultra-high voltage alternating current transmission line to be tested are reliably contacted.
6. 6. The unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system according to claim 2 are characterized in that the signal receiving module is used for receiving the electric field intensity detection signal and the voltage detection signal sent by the data communication module, and the signal processing module is used for determining an electricity testing conclusion according to the electric field intensity detection signal and the voltage detection signal. The display module is used for displaying the electric field intensity detection signal, the voltage detection signal, the contact signal and the electricity inspection conclusion, and the alarm module adopts an audible and visual alarm, and emits audible and visual alarm when the ultra-high voltage alternating current transmission line to be tested is inspected to be electrified.
7. 7. The unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system according to claim 1 are characterized in that the unmanned aerial vehicle comprises an onboard camera, wherein the camera is used for observing the contact condition of the electroscope probe and the ultrahigh voltage alternating current transmission line to be tested so as to adjust the flight position of the unmanned aerial vehicle.

Description

Unmanned aerial vehicle-based ultrahigh voltage alternating current transmission line electricity testing device and system Technical Field The invention belongs to the technical field of electric power safety detection. Background In operation, maintenance and overhaul operation of an ultra-high voltage transmission line, electricity inspection is a key step for ensuring operation safety. Traditional electricity inspection mode mainly relies on artifical climbing to shaft tower or wire, carries out electricity inspection operation through direct contact or use insulating tool. The mode is high in labor intensity and low in operation efficiency, operators are in a high-pressure electric field environment for a long time, and face higher electric shock and high-altitude falling risks, and safety pressure is outstanding. Along with popularization and application of unmanned aerial vehicle technology in the electric power industry, current live working platform can carry out partial inspection task with the help of unmanned aerial vehicle, but in the electricity inspection link, still lack systematic technical scheme, be difficult to realize high-efficient, normative non-contact electricity inspection. Disclosure of Invention The invention aims to realize non-contact and contact combined dual-mode electricity inspection, and realizes ground visual display and audible and visual alarm based on an unmanned aerial vehicle ultrahigh voltage alternating current transmission line electricity inspection device and system through wireless data communication. The unmanned aerial vehicle power system comprises an unmanned aerial vehicle, an electricity testing module and a ground control module, wherein the electricity testing module is connected with an undercarriage of the unmanned aerial vehicle. The electricity inspection module comprises a first electricity inspection module, a second electricity inspection module and a data communication module. The ground control module comprises a signal receiving module, a signal processing module, a display module and an alarm module. The first electricity testing module comprises a power frequency electromagnetic field probe, a second electricity testing module and a data communication module, wherein the power frequency electromagnetic field probe is used for acquiring an electric field intensity detection signal of an ultra-high voltage alternating current transmission line to be tested so as to conduct non-contact electricity testing on the ultra-high voltage alternating current transmission line, the second electricity testing module is used for contacting the ultra-high voltage alternating current transmission line to be tested and acquiring a voltage detection signal of the ultra-high voltage alternating current transmission line to be tested so as to conduct contact electricity testing on the ultra-high voltage alternating current transmission line to be tested, and the data communication module is used for sending the electric field intensity detection signal and the voltage detection signal to a ground control module. The first electricity testing module comprises an electric field flat panel sensor and a sampling analysis circuit, wherein the sampling analysis circuit is respectively connected with the electric field flat panel sensor and the data communication module. The electric field flat plate sensor is used for collecting a first electric field intensity detection signal of the ultra-high voltage alternating current transmission line to be detected, the sampling analysis circuit is used for carrying out signal filtering processing and signal amplification processing on the first electric field intensity detection signal to determine a second electric field intensity detection signal, and the data communication module sends the second electric field intensity detection signal to the ground control module. The second electroscope module comprises an electroscope probe and a mechanical pressure sensor. The electroscope probe is a needle-type three-dimensional contact electroscope probe, and is used for directly contacting the ultra-high voltage alternating current transmission line to be tested and obtaining a voltage detection signal of the ultra-high voltage alternating current transmission line to be tested; the mechanical pressure sensor is arranged beside the electroscope probe and is used for sending a contact signal to the data communication module when the electroscope probe and the ultra-high voltage alternating current transmission line to be tested are reliably contacted. The signal receiving module is used for receiving the electric field intensity detection signal and the voltage detection signal sent by the data communication module, and the signal processing module is used for determining an electricity inspection conclusion according to the electric field intensity detection signal and the voltage detection signal. The display module is used for d