CN-115047292-B - Power supply line electricity stealing and leakage positioning method, device, equipment and storage medium

CN115047292BCN 115047292 BCN115047292 BCN 115047292BCN-115047292-B

Abstract

The invention discloses a method, a device, equipment and a storage medium for positioning electricity larceny and leakage of a power supply line. The method comprises the steps of applying a preset analog signal to a power supply line to be detected, obtaining a real-time analog signal in the power supply line to be detected and current signals corresponding to electric meters in the power supply line to be detected, and determining an electricity stealing and leakage positioning result according to the real-time analog signal and the current signals. According to the technical scheme, the problem that safety is low because the power supply line needs to be lifted under the condition of electrifying when the power supply line is subjected to electricity stealing and leakage inspection is solved, so that workers of a power supply company can position the position of the power supply line to be detected, where the electricity stealing problem or the electricity leakage problem occurs, in real time under the conditions of non-contact and non-lifting, the working safety of the workers is improved, the time required for lifting is reduced because the lifting is not needed, and the efficiency of electricity stealing and leakage positioning in the power supply line is integrally improved.

Inventors

ZHENG WEIJIE
HE YUANTING
LI WENHUI
ZHANG RONGJUN
DONG LUTONG
ZHANG XIAOHUA
CHEN XIAOFEN
ZHANG WENJIE
Rong Minghao
LI FUKUI

Assignees

广东电网有限责任公司
广东电网有限责任公司惠州供电局

Dates

Publication Date: 20260505
Application Date: 20220617

Claims (5)

1. The utility model provides a power supply line electricity stealing and leakage positioning method which is characterized by comprising the following steps: Applying a preset analog signal to a power supply line to be tested; Acquiring real-time analog signals in the power supply line to be tested and current signals corresponding to the electric meters in the power supply line to be tested in a non-contact mode; Determining an electricity stealing and leakage positioning result according to the real-time analog signals and the current signals; The applying the preset analog signal to the power supply line to be tested includes: generating an analog signal according to the power grid operation frequency corresponding to the power supply line to be tested; Synchronously coupling the analog signal with an electric signal in the power supply line to be detected; applying the analog signals after synchronous coupling as preset analog signals to the power supply line to be tested; if the real-time analog signal is collected by a no-load line section, the determining the positioning result of the electricity larceny and leakage according to the real-time analog signal and each current signal includes: If the real-time analog signal is the same as the preset analog signal in size, determining that the electricity larceny leakage positioning result is no electricity larceny leakage; If the real-time analog signal is different from the preset analog signal in size, determining an acquisition position of the real-time analog signal as a power-stealing and leakage positioning position, and determining the power-stealing and leakage positioning position as a power-stealing and leakage positioning result; If the real-time analog signal is collected by the loaded line section, the determining the positioning result of the electricity larceny and leakage according to the real-time analog signal and each current signal includes: for the current signal corresponding to each ammeter, determining a first analog signal and a second analog signal which correspond to the current signals and are adjacent to the corresponding acquisition position of the current signals from the real-time analog signals; determining an electricity stealing and leakage positioning result according to the current signal, the first analog signal and the second analog signal; Wherein the first analog signal is located before the acquisition location and the second analog signal is located after the acquisition location.
2. The method of claim 1, wherein said determining a theft electrical leakage location result from said current signal, said first analog signal, and said second analog signal comprises: if the first analog signal is equal to the sum of the current signal and the second analog signal, determining that the electricity larceny and leakage positioning result is no electricity larceny and leakage; And if the first analog signal is not equal to the sum of the current signal and the second analog signal, determining the corresponding acquisition position of the current signal as a power stealing positioning position, and determining the power stealing positioning position as a power stealing and leakage positioning result.
3. A power supply line electricity theft and leakage positioning device, comprising: the analog signal applying module is used for applying a preset analog signal to the power supply line to be tested; The signal acquisition module is used for acquiring real-time analog signals in the power supply line to be detected in a non-contact manner and current signals corresponding to the electric meters in the power supply line to be detected; the positioning result determining module is used for determining an electricity stealing and leakage positioning result according to the real-time analog signals and the current signals; The analog signal application module includes: The signal generating unit is used for generating an analog signal according to the power grid operation frequency corresponding to the power supply line to be detected; the synchronous coupling unit is used for synchronously coupling the analog signal and the electric signal in the power supply line to be tested; the signal applying unit is used for applying the analog signals after synchronous coupling as preset analog signals to the power supply line to be tested; if the real-time analog signal is collected by the no-load line section, the positioning result determining module is specifically configured to: If the real-time analog signal is the same as the preset analog signal in size, determining that the electricity larceny leakage positioning result is no electricity larceny leakage; If the real-time analog signal is different from the preset analog signal in size, determining an acquisition position of the real-time analog signal as a power-stealing and leakage positioning position, and determining the power-stealing and leakage positioning position as a power-stealing and leakage positioning result; if the real-time analog signal is collected by the loaded line section, the positioning result determining module is specifically configured to: for the current signal corresponding to each ammeter, determining a first analog signal and a second analog signal which correspond to the current signals and are adjacent to the corresponding acquisition position of the current signals from the real-time analog signals; determining an electricity stealing and leakage positioning result according to the current signal, the first analog signal and the second analog signal; Wherein the first analog signal is located before the acquisition location and the second analog signal is located after the acquisition location.
4. A power supply line electricity theft and leakage positioning device, characterized in that the power supply line electricity theft and leakage positioning device comprises: at least one processor, and A memory communicatively coupled to the at least one processor, wherein, The memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the power line theft and leakage localization method of any one of claims 1-2.
5. A computer readable storage medium storing computer instructions for causing a processor to perform the power supply line theft and leakage localization method of any one of claims 1-2.

Description

Power supply line electricity stealing and leakage positioning method, device, equipment and storage medium Technical Field The present invention relates to the field of power detection technologies, and in particular, to a method, an apparatus, a device, and a storage medium for locating a power supply line during power theft and leakage. Background The line loss refers to the loss generated in each link of the transmission and distribution process of electric energy, and along with the lean development of enterprises, higher requirements are generated on the loss electric quantity and the line loss of the line. The common daily technologies such as high-tech electricity larceny, ammeter cover opening modification and the like are higher and higher, so that a power supply company has higher requirements for daily theft detection. Meanwhile, with the development of town, residents put forward higher requirements on surrounding living environments, low-voltage lines are often hidden behind billboards or other shields, abrasion and other conditions are often caused by long-time running of the low-voltage lines, and major potential safety hazards are generated for surrounding residents, so that higher requirements are put forward for leakage detection of power supply lines for safety power supply companies of residents along the lines. At present, the theft of a power supply circuit can only be measured by checking the record and current and voltage information of an ammeter, error leakage can possibly occur, the theft time is long, the leakage of the circuit can only be measured by ascending operation and measuring the current by a clamp ammeter, however, workers are required to be in close contact with an electrified body when the ammeter is used for measuring, and ascending operation is required to be carried out simultaneously, so that great safety risk is brought. Disclosure of Invention The invention provides a power supply line electricity stealing and leakage positioning method, a device, equipment and a storage medium, which enable power supply company staff to position the problems in a power supply line in real time in a non-contact and non-ascending mode in the process of inspecting the line through an analog signal applied to the power supply line to be detected, reduce the safety risk and improve the positioning detection efficiency. In a first aspect, an embodiment of the present invention provides a method for positioning an electricity leakage of a power supply line, including: Applying a preset analog signal to a power supply line to be tested; Acquiring real-time analog signals in a power supply line to be detected and current signals corresponding to each ammeter in the power supply line to be detected; And determining the positioning result of the electricity larceny and leakage according to the real-time analog signals and the current signals. Further, applying a preset analog signal to the power supply line to be tested includes: Generating an analog signal according to the power grid operation frequency corresponding to the power supply line to be tested; Synchronously coupling the analog signal with an electric signal in a power supply line to be tested; and applying the synchronously coupled analog signal as a preset analog signal to a power supply line to be tested. Further, if the real-time analog signal is collected by the no-load line segment, determining a positioning result of the electricity larceny and leakage according to the real-time analog signal and each current signal, including: if the real-time analog signal is the same as the preset analog signal in size, determining that the positioning result of the electricity larceny leakage is no electricity larceny leakage; if the real-time analog signal is different from the preset analog signal in size, determining the acquisition position of the real-time analog signal as a power-stealing and leakage positioning position, and determining the power-stealing and leakage positioning position as a power-stealing and leakage positioning result. Further, if the real-time analog signal is collected by the loaded line section, determining a positioning result of the electricity larceny and leakage according to the real-time analog signal and each current signal, including: For the current signal corresponding to each ammeter, determining a first analog signal and a second analog signal which correspond to the current signals and are adjacent to the acquisition position corresponding to the current signals from the real-time analog signals; determining a positioning result of electricity stealing and leakage according to the current signal, the first analog signal and the second analog signal; wherein the first analog signal is located before the acquisition position, and the second analog signal is located after the acquisition position. Further, determining a theft-to-leakage positioning result from the current signal, the first ana