Multi-pole intelligent positioning system for transformer substation personnel
Technical Field
The utility model relates to a laser positioning field particularly, relates to a multipolar intelligent positioning system of transformer substation personnel.
Background
The laser radar is a radar system that detects a characteristic amount such as a position and a velocity of a target by emitting a laser beam.
Currently, the detection principle is to transmit a detection signal (laser beam) to a target, compare the received signal (target echo) reflected from the target with the transmitted signal, and after appropriate processing, obtain information about the target, such as target distance, orientation, height, speed, attitude, and even shape, to detect, track, and identify the moving target. The laser changes the electric pulse into optical pulse and emits it, and the optical receiver restores the reflected optical pulse from the target into electric pulse and sends it to the display.
In the prior art, a transformer substation belongs to a high-risk environment, and safe operation is always the primary working target. In order to prevent safety accidents caused by human factors, the high-precision, low-false-report and low-missing-report positioning of an operator in a working area is always a key technical difficulty in the field of electric power. The main defects of the laser radar are that imaging cannot be achieved, the visualization effect is poor, image information of a target scene cannot be obtained, targets cannot be distinguished, the video analysis technology of the intelligent video of the camera is possibly limited by factors such as environment, weather, image definition, network delay and operational capability, and meanwhile the positioning precision of the intelligent video of the camera is low.
SUMMERY OF THE UTILITY MODEL
Unable formation of image to prior art laser radar, visual effect is poor, can't acquire the image information of target scene and distinguish the target, and the video analysis technique of camera intelligence video may receive the restriction of factors such as environment, weather, image definition, network delay, operational capability, the lower problem of camera intelligence video positioning accuracy simultaneously, the utility model aims to provide a, but its editorial characteristic that can utilize laser radar marks the setting to sweep the electrified equipment geographical coordinate in regional, identity and carries out the accurate positioning, can also shield millisecond level's mistake income, can also distinguish the target to filter wrong report, the wrong location that non-personnel's factor arouses.
The embodiment of the utility model is realized like this:
a multi-pole intelligent positioning system for transformer substation personnel comprises a laser radar, a multi-spectral camera, a data fusion transmission module and an acousto-optic alarm;
the laser radar is used for tracking and positioning the moving target detected in the monitoring area and transmitting a signal to the data fusion transmission module;
the multispectral camera is used for carrying out perimeter calibration on a monitoring area, dividing a working area and a non-working area, analyzing a moving target simultaneously and transmitting signals to the data fusion transmission module;
the data fusion transmission module is used for receiving signals of the laser radar and the multispectral camera, filtering out non-human factors, and triggering the acousto-optic alarm if the moving target is determined to be a person and crosses a specified working area;
and the acousto-optic alarm is used for receiving the signal of the data fusion transmission module and feeding back the signal.
In some embodiments of the present invention, the lidar is a multi-line lidar or a single-line lidar.
In some embodiments of the invention, the multispectral camera includes a visible light imaging output and a thermal imaging output channel.
In some embodiments of the present invention, the multispectral camera has a color minimum illumination of 0.002Lux and a black and white minimum illumination of 0.0002 Lux.
The utility model discloses an in some embodiments, above-mentioned laser radar sweeps and penetrates the cover to the control area, carries out coordinate calibration and establishes equipment ID to the fixed target that detects through laser radar's editable nature, forms the complete radar database of control area.
In some embodiments of the present invention, an image analysis algorithm is embedded in the multispectral camera.
In some embodiments of the present invention, the audible and visual alarm includes a light alarm and a sound alarm.
In some embodiments of the present invention, the audible and visual alarm includes a light alarm and a sound alarm.
In some embodiments of the present invention, the light alarm emits red light after being triggered.
In some embodiments of the present invention, the sound alarm is triggered to emit a sound alarm.
In some embodiments of the present invention, the monitoring area includes an outdoor device area and an indoor device area.
The utility model provides a pair of multipolar intelligent positioning system of transformer substation personnel has following advantage or beneficial effect: the geographical coordinates and identities of the electrified equipment in the scanning area are calibrated and set by using the editable characteristic of the laser radar to perform accurate positioning, millisecond-level false entry can be shielded, and targets can be distinguished, so that false alarm and false positioning caused by non-personnel factors are filtered.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a control schematic diagram of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the embodiments of the present invention, it should be noted that for convenience of description and simplicity of description, the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.
In the description of the embodiments of the present invention, it should be further noted that, unless otherwise explicitly stated or limited, for example, the connection may be fixed, detachable, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
A multi-pole intelligent positioning system for transformer substation personnel comprises a laser radar, a multi-spectral camera, a data fusion transmission module and an acousto-optic alarm;
the laser radar is used for tracking and positioning the moving target detected in the monitoring area and transmitting a signal to the data fusion transmission module;
the multispectral camera is used for carrying out perimeter calibration on a monitoring area, dividing a working area and a non-working area, analyzing a moving target simultaneously and transmitting signals to the data fusion transmission module;
the data fusion transmission module is used for receiving signals of the laser radar and the multispectral camera, filtering out non-human factors, and triggering the acousto-optic alarm if the moving target is determined to be a person and crosses a specified working area;
and the acousto-optic alarm is used for receiving the signal of the data fusion transmission module and feeding back the signal.
In the above embodiment, referring to the control schematic diagram of fig. 1, the radar scans and covers the monitored area according to the sector scanning characteristic of the laser beam, and coordinates of the detected fixed target are calibrated one by one according to the editable characteristic of the laser radar, and an equipment ID is established, so as to form a complete radar database of the monitored area. When the moving target enters the monitoring area, the laser radar can quickly track and position the moving target in real time according to the distance between the coordinates of the fixed equipment and the moving target. The mobile target is in a specified working range, the screen cabinet active radar cannot be triggered to alarm, but when the mobile target crosses a specified working area, the radar can be rapidly triggered, and positioning data and an alarm instruction are transmitted to the data fusion transmission module; the multispectral camera is used for conducting perimeter calibration on a monitoring area through a camera video picture, dividing the working area and a non-working area, tracking and positioning the moving target by using a target detection algorithm when the moving target enters a monitoring range, classifying and identifying the target in real time, distinguishing whether the moving target is a person or a small animal such as a mouse and a bird, and transmitting signals to the data fusion transmission module. The data fusion transmission module filters out a false entry signal with a certain area size and a millisecond level and transmits the signal to the monitoring background; meanwhile, the data fusion transmission module analyzes that the person exceeds the working area and triggers the acousto-optic alarm which lights a red light and plays 'high voltage danger, please stop operation immediately' voice to warn the person, and the response time of the whole link is not more than 0.3 second. The beneficial effects of the embodiment are as follows: the method can utilize the editable characteristic of the laser radar to calibrate and set the geographic coordinates and the identity of the electrified equipment in the scanning area for accurate positioning, can also shield millisecond-level false entry, and can also distinguish a target, thereby filtering false alarm and false positioning caused by non-personnel factors.
As a preferred embodiment, the lidar is a multi-line lidar or a single-line lidar.
In the above embodiment, the laser radar may be a small TOF single line laser radar.
As a preferred embodiment, the spectral camera includes a visible light imaging output and a thermal imaging output channel.
In a preferred embodiment, the multispectral camera has a color minimum illumination of 0.002Lux and a black and white minimum illumination of 0.0002 Lux.
In the above embodiment, the substation can be continuously monitored for 24 hours.
As a better implementation mode, the laser radar scans and covers the monitored area, coordinates of the detected fixed target are calibrated through editability of the laser radar, and an equipment ID is established, so that a complete radar database of the monitored area is formed.
As a preferred embodiment, the multispectral camera has an image analysis algorithm embedded therein.
In a preferred embodiment, the audible and visual alarm comprises a light alarm and a sound alarm.
As a preferred embodiment, the light alarm emits red light after being triggered.
In a preferred embodiment, the audible alarm is triggered to emit an audible alarm.
As a preferred embodiment, the monitoring area includes an outdoor equipment area and an indoor equipment area.
As a better implementation mode, the editable characteristic of the laser radar is utilized to calibrate and set the geographic coordinates and the identity of the charged equipment in the scanning area, and the precise positioning of the specific position of the moving target can be realized without any auxiliary means; the target with a certain area size in the early warning range of the laser radar can be shielded, the error entry at millisecond level can be shielded, and the target can be distinguished, so that the false alarm and error positioning caused by non-personnel factors are filtered; the laser radar detection cannot identify a moving target and cannot image, but the monitoring effect that the target can be distinguished and accurately positioned can be realized by combining with the multispectral camera, and the positioning error of the laser radar detection on the moving target is not more than 5 cm.
To sum up, the embodiment of the utility model provides a multipolar intelligent positioning system of transformer substation personnel, beneficial effect can utilize laser radar's editable characteristic to scan regional live-line equipment geographical coordinate, identity and mark the setting and carry out the accurate positioning, can also shield the mistake income of millisecond rank, can also distinguish the target to filter wrong report, the wrong location that non-personnel factor arouses.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.