CN-116109860-B - Knife switch state identification method, device, system, equipment and medium

CN116109860BCN 116109860 BCN116109860 BCN 116109860BCN-116109860-B

Abstract

The invention discloses a method, a device, a system, equipment and a medium for identifying a knife switch state. The method comprises the steps of collecting a current knife switch image corresponding to a state identification frame of a knife switch, wherein the knife switch comprises a closing pointer and a separating pointer, a closing indicator connected with the closing pointer is located in the state identification frame when the knife switch is closed, a separating indicator connected with the separating pointer is located in the state identification frame when the knife switch is separated, determining the current indicator located in the state identification frame based on the current knife switch image, and determining the current knife switch state by identifying the current indicator. According to the technical scheme provided by the embodiment of the invention, the state of the disconnecting link can be automatically identified, and the efficiency and accuracy of identifying the state of the disconnecting link are improved.

Inventors

ZHENG ANRAN
CHEN ZHIMING
WU ZIDONG
QIN BIXUN

Assignees

广东电网有限责任公司
广东电网有限责任公司东莞供电局

Dates

Publication Date: 20260505
Application Date: 20221214

Claims (8)

1. The method for identifying the state of the knife switch is characterized by comprising the following steps: collecting a current knife switch image corresponding to a state identification frame of a knife switch, wherein the knife switch comprises a closing pointer and a separating pointer, a closing indicator connected with the closing pointer is positioned in the state identification frame when the knife switch is closed, a separating indicator connected with the separating pointer is positioned in the state identification frame when the knife switch is separated, and the state identification frame is a square frame; Determining a current indication board in the state identification frame based on the current disconnecting link image; identifying the current indication board and determining the current disconnecting link state; The identifying the current indication board, determining the current knife switch state comprises the following steps: detecting whether the current indication board is a combination indication board or a division indication board; if the current indication board is the closing indication board, detecting whether the current indication board is a complete closing indication board or not, and determining the current disconnecting link state based on a closing indication board detection result; If the current indication board is the division indication board, detecting whether the current indication board is a complete division indication board or not, and determining the current disconnecting link state based on the detection result of the division indication board; Wherein, whether the detection current sign is complete and closes the sign includes: determining the boundary distance between the boundary of the current indication board in the current disconnecting link image and the boundary of the state identification frame, wherein the boundary distance comprises an upper boundary distance, a lower boundary distance, a left boundary distance and a right boundary distance; And determining whether the current indication board is a complete indication board or not according to the boundary distance and a preset distance threshold value.
2. The method of claim 1, wherein the boundary distances include an upper boundary distance between a current sign upper boundary and a status recognition frame upper boundary, a lower boundary distance between a current sign lower boundary and a status recognition frame lower boundary, a left boundary distance between a current sign left boundary and a status recognition frame left boundary, and a right boundary distance between a current sign right boundary and a status recognition frame right boundary; the determining whether the current indication board is a complete indication board according to the boundary distance and a preset distance threshold value comprises the following steps: if the upper boundary distance, the lower boundary distance, the left boundary distance and the right boundary distance are all larger than or equal to a preset distance threshold value, determining that the current indication board is a complete indication board; and if the fact that at least one boundary distance is smaller than the preset distance threshold value is detected, determining that the current indication board is an incomplete indication board.
3. The method of claim 1, wherein determining the current knife switch status based on the on sign detection result comprises: if the current indication board is a complete closing indication board, determining that the current disconnecting link state is a full closing state; if the current indication board is an incomplete closing indication board, determining that the current disconnecting link state is a half closing state.
4. The method of claim 1, further comprising, after identifying the current sign and determining a current knife switch status: if the current disconnecting link state is a semi-switching-on state or a semi-switching-off state, generating state abnormality information, and sending the state abnormality information to alarm equipment for alarm.
5. A knife switch state recognition device, comprising: The current disconnecting link image acquisition module is used for acquiring a current disconnecting link image corresponding to a state identification frame of a disconnecting link, wherein the disconnecting link comprises a closing pointer and a separating pointer, a closing indicator connected with the closing pointer is positioned in the state identification frame during closing, a separating indicator connected with the separating pointer is positioned in the state identification frame during separating, and the state identification frame is a square frame; The current indication board determining module is used for determining a current indication board in the state identification frame based on the current disconnecting link image; The current disconnecting link state determining module is used for identifying the current indication board and determining the current disconnecting link state; The current disconnecting link state determining module comprises a current indication board detecting sub-module and a current switch state determining module, wherein the current indication board detecting sub-module is used for detecting whether a current indication board is a combined indication board or a separated indication board; The closing sign integrity detection sub-model is used for detecting whether the current sign is a complete closing sign or not if the current sign is a closing sign, and determining the current disconnecting link state based on the closing sign detection result; the sub-model for detecting the integrity of the indication board is used for detecting whether the current indication board is a complete indication board if the current indication board is the indication board, and determining the current disconnecting link state based on the detection result of the indication board; wherein, closing sign integrality detects sub-model, include: the boundary distance determining unit is used for determining the boundary distance between the boundary of the current indication board in the current disconnecting link image and the boundary of the state identification frame, wherein the boundary distance comprises an upper boundary distance, a lower boundary distance, a left boundary distance and a right boundary distance; and the sign-in integrity determining unit is used for determining whether the current sign is a complete sign-in according to the boundary distance and the preset distance threshold.
6. The system comprises a processor, a knife switch, a crank arm, a rotating shaft, a closing indication board, a separating indication board, a connecting rod and a motor, wherein the knife switch comprises a closing pointer and a separating pointer; The crank arm is connected with the closing pointer and the separating pointer through the rotating shaft; The processor is configured to perform the knife switch status recognition method of any one of claims 1-4.
7. An electronic device, the electronic device comprising: 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 knife gate status identification method of any one of claims 1-4.
8. A computer readable storage medium storing computer instructions for causing a processor to implement the knife gate state identification method of any one of claims 1-4 when executed.

Description

Knife switch state identification method, device, system, equipment and medium Technical Field The present invention relates to the field of computer technologies, and in particular, to a method, an apparatus, a system, a device, and a medium for identifying a status of a knife switch. Background Along with the rapid development of national economy in China, the demand of electric power for users is gradually increased. Based on business requirements, it is often necessary to switch the status of a knife switch on a power line in a substation. For example, in order to ensure the stability of user electricity consumption, it is necessary to ensure that the disconnecting link state on the transmission line in the transformer substation is a full-closing state. In order to ensure the safety of personnel for maintaining and overhauling the power transmission line and the transformer, the states of the transformer and the disconnecting link on the power transmission line in the transformer substation are required to be switched into a full-disconnection state, so that the states of the disconnecting links after the switching are required to be identified. At present, a manual mode is generally adopted to identify the state of the disconnecting link, and the state of the disconnecting link is determined. However, this way of manually identifying the status of the knife switch is time consuming and laborious, and there is a certain identification error, thereby reducing the efficiency and accuracy of identifying the status of the knife switch. Disclosure of Invention The invention provides an image recognition method, device, system, equipment and medium for a knife switch state, which are used for realizing automatic recognition of the knife switch state and improving the efficiency and accuracy of knife switch state recognition. According to an aspect of the present invention, there is provided a method for identifying a state of a knife switch, the method comprising: Collecting a current disconnecting link image corresponding to a state identification frame of a disconnecting link, wherein the disconnecting link comprises a closing pointer and an opening pointer, a closing indicator connected with the closing pointer is positioned in the state identification frame during closing, and an opening indicator connected with the opening pointer is positioned in the state identification frame during opening; Determining a current indication board in the state identification frame based on the current disconnecting link image; and identifying the current indication board and determining the current disconnecting link state. According to another aspect of the present invention, there is provided a knife switch state recognition apparatus, the apparatus comprising: The current disconnecting link image acquisition module is used for acquiring a current disconnecting link image corresponding to a state identification frame of a disconnecting link, wherein the disconnecting link comprises a closing pointer and an opening pointer, a closing indicator connected with the closing pointer is positioned in the state identification frame during closing, and an opening indicator connected with the opening pointer is positioned in the state identification frame during opening; The current indication board determining module is used for determining a current indication board in the state identification frame based on the current disconnecting link image; And the current disconnecting link state determining module is used for identifying the current indication board and determining the current disconnecting link state. According to another aspect of the invention, a knife switch state identification system is provided, and comprises a processor, a knife switch, a crank arm, a rotating shaft, a closing indicator, a separating indicator, a connecting rod and a motor, wherein the knife switch comprises a closing indicator and a separating indicator; The crank arm is connected with the closing pointer and the separating pointer through the rotating shaft; the processor is used for executing the knife switch state identification method according to any embodiment of the invention. According to another aspect of the present invention, there is provided an electronic apparatus including: 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 knife switch state identification method according to any one of the embodiments of the present invention. According to another aspect of the present invention, there is provided a computer readable storage medium storing computer instructions for causing a processor to implement a method for identifying a knife switch state according to any embodiment of the present invention when executed. According to the technical scheme, the c