CN-121983929-A - Residual voltage automatic release device based on image recognition technology

CN121983929ACN 121983929 ACN121983929 ACN 121983929ACN-121983929-A

Abstract

The invention provides an automatic residual voltage releasing device based on an image recognition technology, which comprises a residual voltage releasing module, an image acquisition module, a control module and a control module, wherein the residual voltage releasing module is used for walking along a preset path to approach or depart from target equipment, the image acquisition module is used for acquiring images of a discharging end of the residual voltage releasing module, the control module is used for determining the distance between the discharging end of the residual voltage releasing module and the target equipment and the arc intensity according to comparison between the images acquired by the image acquisition module and images in a pre-stored image library, and the residual voltage releasing module is controlled to move towards the target equipment according to the distance and enable the arc intensity to be in a preset intensity range until the discharging end of the residual voltage releasing module contacts the target equipment. In the automatic residual voltage releasing device based on the image recognition technology, manual operation is replaced, the risk of electric shock is avoided, and safe and effective discharging of target equipment is realized.

Inventors

JIANG YUNXIANG
LI ZEXIN
MA SAIYONG
ZENG XUEJIE
ZHAO MINGWEI
Zhan Weiyong
LIN JINGQI
LIU JIANMING
MAO JINRONG
ZHANG XIAOLAN
GUAN YAO
QIU JIANYANG
HUANG HAORAN

Assignees

华能澜沧江水电股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260106

Claims (10)

1. An automatic residual voltage releasing device based on an image recognition technology is characterized by comprising: The residual voltage release module is used for walking along a preset path to approach or depart from target equipment; the image acquisition module is arranged on the residual voltage release module and is used for acquiring images of the discharge end of the residual voltage release module; The control module is used for determining the distance between the discharge end of the residual voltage releasing module and the target equipment and the electric arc intensity according to the comparison between the image acquired by the image acquisition module and the images in a pre-stored image library, and controlling the residual voltage releasing module to move towards the target equipment according to the distance and enable the electric arc intensity to be in a preset intensity range until the discharge end of the residual voltage releasing module contacts the target equipment.
2. The automatic residual voltage release device based on the image recognition technology according to claim 1, wherein in a residual voltage release stage, the control module is configured to control the residual voltage release module to move toward the target device according to the determined distance until the arc intensity is within the preset intensity range when the determined arc intensity is less than the preset intensity range.
3. The apparatus according to claim 2, wherein the control module is configured to control the residual voltage releasing module to move toward the target device at a first preset speed until the discharge end of the residual voltage releasing module and the target device reach a first distance in an arc connection preparation phase before the residual voltage releasing phase; the control module is used for controlling the residual voltage release module to move from an initial position to the target equipment at a second preset speed in an initial stage before the arc connection preparation stage until a second distance is reached between a discharge end of the residual voltage release module and the target equipment; The control module is used for controlling the residual voltage release module to return to an initial position in a stop phase after the residual voltage release phase; the first preset speed is smaller than the second preset speed, and the first interval is smaller than the second interval.
4. The automatic residual voltage releasing device based on the image recognition technology according to claim 2, wherein the control module is configured to record an image of a residual voltage releasing start stage, an image of an arc striking discharge stage and an image of a residual voltage releasing end stage in a historical residual voltage releasing stage, classify the images according to different distances between a discharge end of the residual voltage releasing module and the target device and different arc thicknesses and arc brightness in an arc discharge process, so as to establish the image library, and determine a distance between the discharge end of the residual voltage releasing module and the target device and an arc intensity according to comparison between an image acquired by the image acquisition module and an image in a pre-stored image library.
5. The apparatus according to claim 1, wherein the residual voltage releasing module includes: the device comprises a walking trolley, a discharging rod and a driving mechanism; The traveling trolley is movably arranged along the preset path, the discharging rod is arranged at one end of the traveling trolley, which is close to the target equipment, the power output end of the driving mechanism is connected with the power input end of the traveling trolley, and the driving mechanism is used for driving the traveling trolley to travel along the preset path so as to enable the discharging rod to be close to or far away from the target equipment; The image acquisition module is arranged at one end of the travelling trolley, which is close to the target equipment, and is used for acquiring an image of one end of the discharging rod, which is close to the target equipment; the signal output end of the control module is connected with the signal input end of the driving mechanism, and the control module is used for determining the distance between the discharging rod and the target equipment and the electric arc intensity according to the comparison between the image acquired by the image acquisition module and the images in the pre-stored image library, and controlling the driving mechanism to drive the travelling trolley to move towards the target equipment according to the distance and enable the electric arc intensity to be in a preset intensity range until the discharging rod is contacted with the target equipment.
6. The automatic residual voltage releasing device based on the image recognition technology according to claim 5, wherein the residual voltage releasing module further comprises: The support is vertically arranged on the travelling trolley and is provided with a plurality of mounting holes which are vertically distributed at intervals, and one end of the discharging rod, which is far away from the target equipment, is inserted into at least one mounting hole; One end of the image acquisition module, which is far away from the target equipment, is inserted into at least one mounting hole, and the image acquisition module is positioned above the discharging rod.
7. The automatic residual voltage releasing device based on the image recognition technology according to claim 6, wherein the image acquisition module comprises: the telescopic column is far away from one end of the target equipment, is inserted in at least one mounting hole and is located above the discharging rod, and the camera is arranged at one end of the telescopic column, which is close to the target equipment, and is used for collecting images of one end of the discharging rod, which is close to the target equipment.
8. The automatic residual voltage releasing device based on the image recognition technology according to claim 6, wherein the residual voltage releasing module further comprises: the plurality of reinforcing columns are distributed at intervals along the circumference of the upright post, one end of each reinforcing column is hinged with the upright post, and one end of each reinforcing column far away from the upright post is hinged with the travelling trolley.
9. The automatic residual voltage releasing device based on the image recognition technology according to claim 5, wherein the driving mechanism includes: A plurality of driven chain wheels, chains, a connecting seat, a driving chain wheel and a driving motor; The driven chain wheels are respectively arranged on the preset paths in a rotating mode, the chains are wound on the driven chain wheels, the connecting seat is arranged on the chains and connected with the walking trolley, and the driving chain wheels are sleeved on the rotating shaft of the driving motor and meshed with the chains for transmission; The signal output end of the control module is connected with the signal input end of the driving motor, and the control module is used for controlling the driving motor to drive the travelling trolley to move towards the target equipment according to the determined distance and enabling the electric arc intensity to be in a preset intensity range until the discharging rod is in contact with the target equipment.
10. The automatic residual voltage releasing device based on the image recognition technology according to claim 1, wherein the system further comprises: The signal output end of the remote control module is connected with the signal input end of the control module in a wireless mode, and the remote control module is used for wirelessly transmitting control instructions to the control module so that the control module controls the residual voltage release module to move according to the control instructions.

Description

Residual voltage automatic release device based on image recognition technology Technical Field The disclosure relates to the technical field of residual voltage release, in particular to an automatic residual voltage release device based on an image recognition technology. Background After the preventive test of the electric primary equipment is carried out, residual voltage discharge is required to be carried out on the target equipment, especially after the direct-current withstand voltage test of the generator is carried out, the residual voltage is up to 36 kilovolts, and if the residual voltage is not completely released, personal casualties of personnel electric shock can occur when the equipment is touched by mistake. The existing equipment is mainly operated manually, so that a large electric shock risk exists, and safe and effective discharge of target equipment is difficult to realize. Disclosure of Invention The present disclosure aims to solve, at least to some extent, one of the technical problems in the related art. To this end, an object of the present disclosure is to provide an automatic residual voltage releasing device based on an image recognition technology. In order to achieve the above purpose, the disclosure provides an automatic residual voltage releasing device based on an image recognition technology, which comprises a residual voltage releasing module, an image collecting module and a control module, wherein the residual voltage releasing module is used for walking along a preset path to approach or depart from target equipment, the image collecting module is arranged on the residual voltage releasing module and is used for collecting images of a discharging end of the residual voltage releasing module, the signal input end of the control module is connected with a signal output end of the image collecting module, the signal output end of the control module is connected with the signal input end of the residual voltage releasing module, the control module is used for determining the distance between the discharging end of the residual voltage releasing module and the target equipment and the arc intensity according to comparison between images collected by the image collecting module and images stored in a pre-stored image library, and controlling the residual voltage releasing module to move towards the target equipment according to the distance and enable the arc intensity to be in a preset intensity range until the discharging end of the residual voltage releasing module is in contact with the target equipment. Optionally, in the stage of releasing the residual voltage, the control module is configured to control, when the determined arc intensity is smaller than the preset intensity range, the residual voltage releasing module to move toward the target device according to the determined distance until the arc intensity is within the preset intensity range. Optionally, the control module is configured to control the residual voltage releasing module to move towards the target device at a first preset speed until the discharge end of the residual voltage releasing module and the target device reach a first distance, and in an initial stage before the arc connection preparation stage, the control module is configured to control the residual voltage releasing module to move from an initial position towards the target device at a second preset speed until the discharge end of the residual voltage releasing module and the target device reach a second distance, and in a stop stage after the residual voltage releasing stage, the control module is configured to control the residual voltage releasing module to return to the initial position, wherein the first preset speed is smaller than the second preset speed, and the first distance is smaller than the second distance. Optionally, the control module is configured to record an image of a residual voltage release start stage in a historical residual voltage release stage, an image of an arc striking discharge stage, and an image of a residual voltage release end stage, classify the images according to different distances between a discharge end of the residual voltage release module and the target device and different arc thicknesses and arc brightness in an arc discharge process, so as to establish the image library, and determine a distance between the discharge end of the residual voltage release module and the target device and an arc intensity according to comparison between an image acquired by the image acquisition module and an image in a pre-stored image library. The residual voltage releasing module comprises a traveling trolley, a discharging rod and a driving mechanism, wherein the traveling trolley is movably arranged along the preset path, the discharging rod is arranged at one end of the traveling trolley, which is close to the target equipment, the power output end of the driving mechanism is connected with the power i