CN111554007B - Intelligent personnel identification control cabinet - Google Patents

Intelligent personnel identification control cabinet Download PDF

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Publication number
CN111554007B
CN111554007B CN202010313368.9A CN202010313368A CN111554007B CN 111554007 B CN111554007 B CN 111554007B CN 202010313368 A CN202010313368 A CN 202010313368A CN 111554007 B CN111554007 B CN 111554007B
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cabinet body
identification
cabinet
controller
identification information
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CN111554007A (en
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陈元勇
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    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00563—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys using personal physical data of the operator, e.g. finger prints, retinal images, voicepatterns
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • E05B65/02—Locks or fastenings for special use for thin, hollow, or thin-metal wings
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
    • G06V40/20—Movements or behaviour, e.g. gesture recognition
    • G06V40/23—Recognition of whole body movements, e.g. for sport training
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00896—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys specially adapted for particular uses
    • G—PHYSICS
    • G07—CHECKING-DEVICES
    • G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
    • G07C9/00—Individual registration on entry or exit
    • G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
    • G07C9/00944—Details of construction or manufacture
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/24—Circuit arrangements for boards or switchyards
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/306—Accessories, e.g. windows
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/26—Casings; Parts thereof or accessories therefor
    • H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
    • H02B1/32—Mounting of devices therein

Abstract

The invention provides an intelligent personnel identification control cabinet, which comprises a cabinet body and a personnel identification device, wherein the personnel identification device is arranged on the cabinet body; the cabinet body comprises a power supply master controller, and the power supply master controller is used for controlling the power supply of each electric control device in the cabinet body; the personnel identification device is electrically connected with the power supply master controller; after the personnel pass through the discernment of personnel identification device, each electric control device electrification in the power master controller control cabinet body. According to the intelligent personnel identification control cabinet, identity authentication is carried out through biological information such as human faces and fingerprints, authentication is not passed, equipment cannot be started, further, unlicensed operation is avoided, equipment accidents are prevented and avoided, life safety of operators is guaranteed, safety and environment-friendly management level of companies is continuously improved, and effective prevention and control of safety risks are realized.

Description

Intelligent personnel identification control cabinet
Technical Field
The invention relates to the technical field of electrical control cabinets, in particular to an intelligent personnel identification control cabinet.
Background
At present, a cabinet body is formed by assembling one or more electric control devices in switch equipment, a measuring instrument, a protective electric appliance, control equipment and auxiliary equipment in a closed metal cabinet according to the electrical wiring requirement; the cabinet body is used as a control center of automatic equipment and automatic production lines.
Especially, the control cabinet of special equipment needs the maintenance personnel to be certified and post, has extremely strong professional skill, and if the control cabinet is opened by adopting a traditional mode (key), the potential safety hazard exists.
Disclosure of Invention
One of the purposes of the invention is to provide an intelligent personnel identification control cabinet, which performs identity authentication through biological information such as human faces and fingerprints, and if the authentication is not passed, the equipment cannot be started, so that the operation without the certificate is avoided, the equipment accidents are prevented and avoided, the life safety of operators is ensured, the safety and environment-friendly management level of companies is continuously improved, and the effective prevention and control of safety risks are realized.
The intelligent personnel identification control cabinet provided by the embodiment of the invention comprises a cabinet body and a personnel identification device, wherein the personnel identification device is arranged on the cabinet body; the cabinet body comprises a power supply master controller, and the power supply master controller is used for controlling the power supply of each electric control device in the cabinet body; the personnel identification device is electrically connected with the power supply master controller; after the personnel pass through the discernment of personnel identification device, each electric control device electrification in the power master controller control cabinet body.
Preferably, the cabinet further comprises: the first electronic lock is used for controlling the opening or closing of a cabinet door of the cabinet body; the personnel identification device is electrically connected with the first electronic lock; after the personnel pass through the discernment of personnel identification equipment, the cabinet door of the first electronic lock control cabinet body is opened.
Preferably, the person identification means comprises:
the camera is arranged on the upper part of the front side of the cabinet body and is used for shooting an image in front of the cabinet body;
the image identification module is electrically connected with the camera and used for identifying the image and extracting first identification information of personnel in the image;
the controller is electrically connected with the image recognition module and the first electronic lock respectively;
the memory is electrically connected with the controller and is used for pre-storing the second identification information;
the controller acquires first identification information through the image identification module, compares the first identification information with the second identification information, and when the comparison is passed, namely, the person is determined to pass through the identification of the person identification device, the controller sends a first signal to the first electronic lock, and the cabinet door of the cabinet body is controlled to be opened by the first electronic lock.
Preferably, the image recognition module performs operations including:
step 1: acquiring an image shot by a camera in real time, extracting a motion contour from the image, and tracking the motion contour;
step 2: judging whether the contour is a human body contour; if so, sampling an image of the outline by using a sampling frame as first identification information; if not, discarding the contour;
and step 3: when the profile is the human profile, based on the pursuit information, judge the action intention of the personnel that the human profile corresponds, when the action intention is for opening cabinet body cabinet door, send first identifying information to the controller.
Preferably, the comparing, by the controller, the first identification information with the second identification information specifically includes:
dividing the first identification information into m first divided regions, and dividing the second identification information into m second divided regions; the first division areas correspond to the second division areas one by one;
converting the color image of the first divided area or the second divided area into a corresponding Gaussian image; the method specifically comprises the following steps:
Figure BDA0002458525890000021
wherein X, Y, Z respectively represent different color components in a gaussian image; x, y, z represent different color components in the color image, respectively; t represents a preset conversion matrix;
calculating a local gradient spectrum in the Gaussian color image; the method specifically comprises the following steps:
Figure BDA0002458525890000031
wherein qx (i), qy (i), qz (i) represent the amplitude spectra of the i-th pixel on different color components in the gaussian image; x (i), Y (i), Z (i) represent the color component values of the Gaussian image of the ith pixel; dx and dy represent operators in the x direction and the y direction, respectively, and represent convolution;
calculating the local intensity spectrum QHigh strength(i) (ii) a The calculation formula is as follows:
Figure BDA0002458525890000032
from the local gradient spectrum and the local intensity spectrum QHigh strength(i) Calculating the ith pixel comparison value A (i); the method specifically comprises the following steps:
Figure BDA0002458525890000033
wherein a is a preset constant, and GE and GV respectively represent the mean value and standard deviation of the local gradient spectrum of the ith pixel; EE. EV represents the mean and standard deviation of the local intensity spectrum of the ith pixel respectively; alpha and beta are respectively preset weighted values;
taking the average value of the comparison values of all pixels as the comparison value of the first segmentation area or the second segmentation area;
calculating the identification degree P of the first identification information and the second identification information based on the comparison values of the m first divided areas and the comparison values of the m second divided areas; the calculation formula is as follows:
P＝count{|D1,j-D2,j|≤b,j＝1、2、…、m}；
wherein D is1,jRepresenting the comparison value of the jth first segmentation region, D2,jRepresenting a comparison value of the jth second segmentation region, wherein b is a preset threshold value, and count represents the number of the difference values of the first segmentation region and the second segmentation region which are counted, wherein the absolute value of the difference values is smaller than or equal to the preset threshold value;
when the identification degree is greater than the preset identification degree, determining that the first identification information and the second identification information are in accordance, namely, the comparison is passed; and when the recognition degree is less than or equal to the preset recognition degree, determining that the first recognition information is not matched with the second recognition information, namely, the comparison is not passed.
Preferably, the sampling frame is used to sample an image of the contour as the first identification information, and the method specifically includes:
determining a first distance R of the profile from the cabinet1；
When the first distance is within a preset threshold interval, based on the first distance R1Determining the length L and the width W of the sampling frame, wherein the specific calculation formula is as follows:
Figure BDA0002458525890000041
wherein R is0To preset a reference distance, L1Denotes a preset reference length, W1Indicates a preset reference width, L0Indicating a correction value of a predetermined length, W0Representing a preset width correction value;
and when the first distance is not at the preset threshold value, not sampling the first identification information.
Preferably, the method for determining the behavior intention of the person corresponding to the human body contour based on the tracking information specifically includes:
establishing a coordinate system along the surface direction of the cabinet body and the direction vertical to the central point by taking the central point of the cabinet body as an original point O;
obtaining a first time t1When the human body contour center position is located at the coordinate O in the coordinate system1＝(xt1,yt1)；
Obtaining a second time t2When the human body contour center position is located at the coordinate O in the coordinate system2＝(xt2,yt2)；
Calculating the orientation, i.e. vector, of the contour motion of the body
Figure BDA0002458525890000042
Calculating the vector from the human body contour to the origin of the coordinate system at the first moment
Figure BDA0002458525890000043
When vector
Figure BDA0002458525890000044
Sum vector
Figure BDA0002458525890000045
When the included angle theta is not larger than the preset included angle, the cabinet body is determined to be opened intentionally by a corresponding person, wherein the calculation formula of the included angle theta is as follows:
Figure BDA0002458525890000046
and/or the presence of a gas in the gas,
calculating the speed v of the human body contour motion, wherein the calculation formula is as follows:
Figure BDA0002458525890000047
and when the speed is not greater than the preset speed value, determining that the corresponding person intentionally opens the cabinet.
Preferably, the cabinet includes: the cable arrangement protection mechanism and the second electronic lock; the wire arrangement protection mechanism is used for protecting the connection wires among the switches and the electric appliances in the cabinet body and preventing personnel from randomly changing the connection wires among the switches and the electric appliances; the second electronic lock controls the opening and closing of the flat cable protection device; the second electronic lock is electrically connected with the controller;
the person identification device further includes:
the radio frequency card reading device is arranged in the cabinet body and is electrically connected with the controller;
the controller reads first radio frequency information in a radio frequency card shown by a person through the radio frequency card reading device, and when the first radio frequency information is successfully matched with second radio frequency information stored in the memory in advance, the controller controls the second electronic lock to act to open the winding displacement protection mechanism.
Preferably, the bus cable protection mechanism includes:
the flat cable protective plate is hinged to one side face inside the cabinet body on one side, and the middle part of the other side of the flat cable protective plate is locked to the other side face inside the cabinet body through a second electronic lock; a plurality of hollows for electric control devices in the cabinet body to pass through are arranged on the flat cable protective plate;
the second electronic lock includes:
a setting seat fixed on the inner wall of the cabinet body
The first coil is fixedly arranged on the setting seat and is electrically connected with the controller;
the first iron core is Z-shaped, and one end of the first iron core is sleeved in the first coil;
the first spring is sleeved at one end of the first iron core and is positioned between the first coil and the first iron core;
the flat cable protective plate is locked on one side of the cabinet body through a second electronic lock and is provided with an L-shaped folded edge; the inner wall of the cabinet body is provided with an L-shaped connecting body, and the L-shaped connecting body and the inner wall of the cabinet body form an accommodating cavity with an L-shaped folded edge; one end of the first iron core, which is far away from the first coil, is arranged above the accommodating cavity, and the L-shaped folded edge is limited in the accommodating cavity by the first iron core; first coil circular telegram produces magnetism, and first iron core moves toward first coil's direction under magnetic effect, and first iron core removes from holding the chamber top, and L type hem is removed from holding the intracavity, realizes opening of winding displacement protection board.
Preferably, the cabinet further comprises:
the contact confirmation device is arranged in the accommodating cavity and is connected with the controller;
after the controller confirms that the L-shaped folded edge of the flat cable protection plate enters the containing cavity through the contact confirmation device, the controller controls the first coil to be powered off, the first coil loses magnetism when being powered off, and the first iron core moves towards the upper part of the containing cavity under the action of the first spring to limit the L-shaped folded edge in the containing cavity;
the contact confirmation apparatus includes:
the setting groove is arranged at the bottom of the accommodating cavity;
the contact body is arranged at the opening of the setting groove, and a second spring is arranged between the setting groove and the contact body;
and the pressure sensor is arranged on the upper surface of the contact body and is electrically connected with the controller.
Preferably, the cabinet further comprises:
the power-off opening device is used for opening the flat cable protection plate when the cabinet body is powered off;
the power-off opening device includes:
the first through hole penetrates through the inner wall of the controller and is positioned at a position corresponding to the first iron core;
the second coil is embedded in the inner wall of the cabinet body; the second coil is connected with a cabinet body power supply;
one end of the second iron core is sleeved in the second coil, and the other end of the second iron core is fixed with a sliding block; the sliding block is positioned in the middle of the first through hole, and a second through hole is formed in the middle of the sliding block;
the third spring is sleeved on the second iron core and positioned between the second coil and the sliding block;
when the cabinet body cuts off the power supply, the second coil is cut off simultaneously, the second coil loses magnetism, the second iron core moves towards the direction of keeping away from the second coil, and the second through hole and the first through hole of slider communicate.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of an intelligent personnel identification control cabinet according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of another intelligent personnel identification control cabinet according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a person identification apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a control cabinet according to an embodiment of the present invention;
FIG. 5 is a diagram illustrating a second electronic lock according to an embodiment of the present invention;
FIG. 6 is a diagram of a second electronic lock according to an embodiment of the present invention
Fig. 7 is an enlarged view of a portion a of fig. 6.
In the figure:
1. a cabinet body; 11. a first electronic lock; 20. a power supply master controller; 21. a person identification device; 211. a camera; 212. an image recognition module; 213. a controller; 214. a memory; 12. a second electronic lock; 13. a flat cable protection plate; 4. a contact confirmation device; 41. a pressure sensor; 42. a contact body; 43. arranging a groove; 44. a second spring; 3. powering off the starting device; 31. a first through hole; 32. a second through hole; 33. a slider; 34. a third spring; 35. a second iron core; 36. a second coil; setting a seat 121; 122. a first coil; 123. a first iron core; 124. a first spring; 131. l-shaped folding; 111. an L-shaped linker.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides an intelligent personnel identification control cabinet, which comprises a cabinet body 1 and a personnel identification device 21, wherein the personnel identification device 21 is arranged on the cabinet body 1; the cabinet body 1 comprises a power supply master controller 20, and the power supply master controller 20 is used for controlling the power supply of each electric control device in the cabinet body 1; the personnel identification device 21 is electrically connected with the power supply master controller 20; after the personnel pass through the identification of the personnel identification device 21, the power supply master controller 20 controls each electric control device in the cabinet 1 to be powered on.
The working principle and the beneficial effects of the technical scheme are as follows:
the method is characterized in that a biological identification technical means is utilized to carry out the certification of special equipment and equipment with larger danger, managers carry out accurate personal identity authentication, the specific method is that after the operation personnel are trained to be qualified, the biological information (face and fingerprints) of the operation personnel is collected by the government, and the information is opened on the network together with the list and the number of the operation card of the operation personnel, the user unit carries out the certification, before the managers operate the equipment, the control cabinet carries out identity authentication through the face, the biological information such as the fingerprints is carried out, the certification is not passed, the equipment cannot be started, further, the operation without the certificate is avoided, the occurrence of equipment accidents is prevented and avoided, the life safety of the operation personnel is ensured, the safety and environmental protection management level of a company is continuously improved, and the effective prevention and control of safety risks are realized.
In one embodiment, as shown in fig. 2, the cabinet 1 includes a first electronic lock 11, and the first electronic lock 11 is used for controlling opening or closing of a cabinet door of the cabinet 1; the person identification device 21 is electrically connected with the first electronic lock 11; after the person passes through the identification of the person identification device 21, the first electronic lock 11 controls the opening of the cabinet door of the cabinet 1.
The working principle and the beneficial effects of the technical scheme are as follows:
through personnel identification means 21 intelligent recognition personnel belong to professional or non professional, when the personnel are non professional, first electronic lock 11 pins the cabinet body 1 to prevent non professional from contacting the electronic control device in the cabinet body 1, and when automation equipment trouble, the professional opens the cabinet body 1 and does not need the key, only need through personnel identification means 21 discernment for the professional, 1 cabinet door of the 11 control cabinet bodies of first electronic lock is opened, and then makes things convenient for professional maintenance operation. Professionals are those with maintenance capabilities.
In one embodiment, as shown in fig. 3, the person identification device 21 includes:
the camera 211 is arranged at the upper part of the front surface of the cabinet body 1 and is used for shooting images in front of the cabinet body 1;
an image recognition module 212 electrically connected to the camera 211 for recognizing the image and extracting first identification information of the person in the image;
the controller 213 is electrically connected with the image recognition module 212 and the first electronic lock 11 respectively;
a memory 214 electrically connected to the controller 213 for storing the second identification information in advance;
the controller 213 acquires the first identification information through the image recognition module 212, compares the first identification information with the second identification information, and when the comparison is passed, i.e. it is determined that the person passes through the recognition of the person recognition device 21, the controller 213 sends a first signal to the first electronic lock 11, and the first electronic lock 11 controls the opening of the cabinet door of the cabinet 1.
The working principle and the beneficial effects of the technical scheme are as follows:
the controller 213 acquires the first identification information through the image recognition module 212, compares the first identification information with the second identification information, and when the comparison is passed, i.e. it is determined that the person passes through the recognition of the person recognition device 21, the controller 213 sends a first signal to the first electronic lock 11, and the first electronic lock 11 controls the opening of the cabinet door of the cabinet 1. Distinguish through controller 213 that the personnel belong to professional or non-professional to prevent that non-professional from contacting the automatically controlled device in the cabinet body 1, and when automation equipment trouble, the professional opens cabinet body 1 and does not need the key, make things convenient for professional maintenance operation. In particular, the first identification information and the second identification information may be face information, clothing information, or the like. The difference of the clothes is mainly in factories, professionals and non-professionals in the factories generally distinguish the clothes, for example, the professionals wear dark-colored clothes, and the non-professionals wear light-colored clothes; or a nonprofessional person without a cap, a professional with a cap, etc.
In one embodiment, the image recognition module 212 performs operations comprising:
step 1: acquiring an image shot by the camera 211 in real time, extracting a motion profile from the image, and tracking the motion profile;
step 2: judging whether the contour is a human body contour; if so, sampling an image of the outline by using a sampling frame as first identification information; if not, discarding the contour;
and step 3: when the contour is a human body contour, the behavior intention of the person corresponding to the human body contour is determined based on the tracking information, and when the behavior intention is to open the cabinet door of the cabinet 1, the first identification information is sent to the controller 213.
The working principle and the beneficial effects of the technical scheme are as follows:
tracking of the motion profile and determination of the intention of the person are performed, so that the cabinet 1 caused by the misidentification operation of the person identification device 21 is avoided. The image recognition module 212 directly recognizes the motion contour, which is a false recognition caused by the fact that an animal passes through the cabinet 1, and the cabinet 1 is generally arranged outdoors.
In an embodiment, the comparing the first identification information with the second identification information by the controller 213 specifically includes:
dividing the first identification information into m first divided regions, and dividing the second identification information into m second divided regions; the first division areas correspond to the second division areas one by one;
converting the color image of the first divided area or the second divided area into a corresponding Gaussian image; the method specifically comprises the following steps:
Figure BDA0002458525890000101
wherein X, Y, Z respectively represent different color components in a gaussian image; x, y, z represent different color components in the color image, respectively; t represents a preset conversion matrix;
calculating a local gradient spectrum in the Gaussian color image; the method specifically comprises the following steps:
Figure BDA0002458525890000102
wherein qx (i), qy (i), qz (i) represent the amplitude spectra of the i-th pixel on different color components in the gaussian image; x (i), Y (i), Z (i) represent the color component values of the Gaussian image of the ith pixel; dx and dy represent operators in the x direction and the y direction, respectively, and represent convolution;
calculating the local intensity spectrum QHigh strength(i) (ii) a The calculation formula is as follows:
Figure BDA0002458525890000103
from the local gradient spectrum and the local intensity spectrum QHigh strength(i) Calculating the ith pixel comparison value A (i); the method specifically comprises the following steps:
Figure BDA0002458525890000104
wherein a is a preset constant, and GE and GV respectively represent the mean value and standard deviation of the local gradient spectrum of the ith pixel; EE. EV represents the mean and standard deviation of the local intensity spectrum of the ith pixel respectively; alpha and beta are respectively preset weighted values;
taking the average value of the comparison values of all pixels as the comparison value of the first segmentation area or the second segmentation area;
calculating the identification degree P of the first identification information and the second identification information based on the comparison values of the m first divided areas and the comparison values of the m second divided areas; the calculation formula is as follows:
P＝count{|D1,j-D2,j|≤b,j＝1、2、…、m}；
wherein D is1,jRepresenting the comparison value of the jth first segmentation region, D2,jRepresenting a comparison value of the jth second segmentation region, wherein b is a preset threshold value, and count represents the number of the difference values of the first segmentation region and the second segmentation region which are counted, wherein the absolute value of the difference values is smaller than or equal to the preset threshold value;
when the identification degree is greater than the preset identification degree, determining that the first identification information and the second identification information are in accordance, namely, the comparison is passed; and when the recognition degree is less than or equal to the preset recognition degree, determining that the first recognition information is not matched with the second recognition information, namely, the comparison is not passed.
The working principle and the beneficial effects of the technical scheme are as follows:
the first identification information and the second identification information are segmented and compared, the identification accuracy of the personnel identification device 21 is improved, the color image is converted into a Gaussian image, and the Gaussian image which gives consideration to the color information and the spatial information is adopted to obtain more comprehensive characteristics because the color image cannot be well close to the visual perception of a person and lacks the description of a spatial structure; the determination of the comparison value of the first segmentation area and the second segmentation area is realized, and the accuracy of the determined comparison value is ensured.
In one embodiment, sampling an image of the contour with a sampling frame as the first identification information specifically includes:
determining a first distance R of the profile from the cabinet 11；
When the first distance is within a preset threshold interval, based on the first distance R1Determining the length L and the width W of the sampling frame, wherein the specific calculation formula is as follows:
Figure BDA0002458525890000111
wherein R is0To preset a reference distance, L1Denotes a preset reference length, W1Indicates a preset reference width, L0Indicating a correction value of a predetermined length, W0Representing a preset width correction value;
and when the first distance is not at the preset threshold value, not sampling the first identification information.
The working principle and the beneficial effects of the technical scheme are as follows:
the size of the sampling frame is adjusted through the distance between the personnel and the cabinet body 1, so that the first identification information can be accurately acquired, in addition, when the distance between the personnel and the cabinet body 1 is too close or too far, the personnel is not acquired, the personnel identification device 21 is prevented from identifying in front of the cabinet body 1, and the electric energy is wasted; too far away, the person illustrated has no intention to open the cabinet 1.
In one embodiment, the determining the behavioral intention of the person corresponding to the human body contour based on the tracking information specifically includes:
establishing a coordinate system along the direction of the surface of the cabinet body 1 and the direction vertical to the central point by taking the central point of the cabinet body 1 as an original point O;
obtaining a first time t1When the human body contour center position is located at the coordinate O in the coordinate system1＝(xt1,yt1)；
Obtaining a second time t2When the human body contour center position is located at the coordinate O in the coordinate system2＝(xt2,yt2)；
Calculating the orientation, i.e. vector, of the contour motion of the body
Figure BDA0002458525890000121
Calculating the vector from the human body contour to the origin of the coordinate system at the first moment
Figure BDA0002458525890000122
When vector
Figure BDA0002458525890000123
Sum vector
Figure BDA0002458525890000124
When the included angle theta is not larger than the preset included angle, the corresponding person is determined to intentionally open the cabinet body 1, wherein the calculation formula of the included angle theta is as follows:
Figure BDA0002458525890000125
and/or the presence of a gas in the gas,
calculating the speed v of the human body contour motion, wherein the calculation formula is as follows:
Figure BDA0002458525890000126
when the speed is not greater than the preset speed value, it is determined that the corresponding person intends to open the cabinet 1.
The working principle and the beneficial effects of the technical scheme are as follows:
whether the person has the intention of opening the cabinet body 1 is judged based on the speed of the person and the orientation of the person, and when the person does not have the intention of opening the cabinet body 1 and the person does not have the intention of opening the cabinet body 1, the controller 213 does not act, so that energy is saved.
In one embodiment, the cabinet 1 comprises: a cable protection mechanism and a second electronic lock 12; the wire arrangement protection mechanism is used for protecting the connection wires among the switches and the electric appliances in the cabinet body 1 and preventing personnel from randomly changing the connection wires among the switches and the electric appliances; the second electronic lock 12 controls the opening and closing of the flat cable protection device; the second electronic lock 12 is electrically connected with the controller 213;
the person identification apparatus 21 further includes:
the radio frequency card reading device is arranged in the cabinet body 1 and is electrically connected with the controller 213;
the controller 213 reads the first rf information in the rf card presented by the person through the rf card reader, and when the first rf information is successfully matched with the second rf information pre-stored in the memory 214, the controller 213 controls the second electronic lock 12 to operate to open the cable protection mechanism.
The working principle and the beneficial effects of the technical scheme are as follows:
the application scenario of this embodiment is as follows: the professionals in the engineering are divided into two types, one type of on-line technicians only have the knowledge of turning off and checking the electric control device; one is professional maintenance personnel, and the electric control device and the wiring of the electric control device can be disassembled and assembled. That is, the on-line technician can only open the first electronic lock 11 through the personnel identification device 21, and then can open and close the switch in the electric control device and perform the operation of reading the meter information; professional maintenance personnel wear the chest card, wherein the chest card is a radio frequency card, the radio frequency card reading device reads first radio frequency information of the radio frequency card, when the first radio frequency information is successfully matched with second radio frequency information stored in the memory 214 in advance, the controller 213 controls the second electronic lock 12 to act to open the winding displacement protection mechanism, and the professional maintenance personnel can disassemble, assemble and replace the electric control device and change the wiring operation of the electric control device.
In one embodiment, as shown in fig. 4, the bus bar protecting mechanism includes:
a flat cable protective plate 13, one side of which is hinged with one side surface inside the cabinet body 1, and the middle part of the other side of which is locked at the other side surface inside the cabinet body 1 through a second electronic lock 12; a plurality of hollows through which each electric control device in the cabinet body 1 can pass are arranged on the flat cable protective plate 13;
as shown in fig. 5 and 6, the second electronic lock 12 includes:
a setting seat 121 fixedly arranged with the inner wall of the cabinet body 1
A first coil 122 fixedly disposed on the setting seat 121 and electrically connected to the controller 213;
a first iron core 123, which is Z-shaped, and one end of which is sleeved in the first coil 122;
a first spring 124 sleeved at one end of the first iron core 123 and located between the first coil 122 and the first iron core 123;
the flat cable protection plate 13 is locked at one side of the cabinet body 1 through the second electronic lock 12 and is provided with an L-shaped folded edge 131; an L-shaped connector 111 is arranged on the inner wall of the cabinet body 1, and the L-shaped connector 111 and the inner wall of the cabinet body 1 form an accommodating cavity of an L-shaped folded edge 131; one end of the first iron core 123 far away from the first coil 122 is arranged above the accommodating cavity, and the L-shaped folded edge 131 is limited in the accommodating cavity by the first iron core 123; the first coil 122 is electrified to generate magnetism, the first iron core 123 moves towards the direction of the first coil 122 under the action of the magnetism, the first iron core 123 moves away from the upper part of the accommodating cavity, the L-shaped folding edge 131 is removed from the accommodating cavity, and the flat cable protection plate 13 is opened.
The working principle and the beneficial effects of the technical scheme are as follows:
after the professional maintenance personnel identify the first coil 122 on the radio frequency card reading device through the chest card, the controller 213 controls the first coil 122 to be electrified, so that the first iron core 123 is moved away, the flat cable protection plate 13 can be opened, and the electric control device can be detached and replaced.
In one embodiment, as shown in fig. 7, the cabinet 1 further includes:
a contact confirmation device 4 disposed in the accommodation chamber and connected to the controller 213;
after the controller 213 confirms that the L-shaped folded edge 131 of the flat cable protective plate 13 enters the accommodating cavity through the contact confirming device 4, the controller 213 controls the first coil 122 to be powered off, the first coil 122 is powered off and loses magnetism, the first iron core 123 moves towards the upper part of the accommodating cavity under the action of the first spring 124, and the L-shaped folded edge 131 is limited in the accommodating cavity;
the contact confirmation apparatus 4 includes:
the setting groove 43 is arranged at the bottom of the accommodating cavity;
a contact body 42 provided at an opening of the installation groove 43, and a second spring 44 provided between the installation groove 43 and the contact body 42;
the pressure sensor 41 is provided on the upper surface of the contact 42 and electrically connected to the controller 213.
The working principle and the beneficial effects of the technical scheme are as follows:
when the flat cable protection plate 13 is closed, the L-shaped folded edge 131 contacts the pressure sensor 41; the controller 213 detects the pressure value through the pressure sensor 41, and the controller 213 controls the first coil 122 to be powered off, so as to close the flat cable protective plate 13; in addition, when the flat cable protection plate 13 is opened, the spring below the contact body 42 can provide elasticity for the flat cable protection plate, so that a professional maintenance worker can conveniently open the flat cable protection plate 13.
In one embodiment, as shown in fig. 5 and 6, the cabinet 1 further comprises:
the power-off opening device 3 is used for opening the flat cable protection plate 13 when the cabinet body 1 is powered off;
the power-off opening device 3 includes:
a first through hole 31 penetrating the inner wall of the controller 213 and located at a position corresponding to the first iron core 123;
the second coil 36 is embedded in the inner wall of the cabinet body 1; the second coil 36 is connected with the cabinet 1 through a power supply;
a second iron core 35, one end of which is sleeved in the second coil 36, and the other end of which is fixed with a sliding block 33; the sliding block 33 is positioned in the middle of the first through hole 31, and the middle of the sliding block 33 is provided with a second through hole 32;
the third spring 34 is sleeved on the second iron core 35 and is positioned between the second coil 36 and the sliding block 33;
when the cabinet 1 is powered off, the second coil 36 is powered off at the same time, the second coil 36 loses magnetism, the second iron core 35 moves in a direction away from the second coil 36, and the second through hole 32 of the sliding block 33 is communicated with the first through hole 31.
The working principle and the beneficial effects of the technical scheme are as follows:
when the controller 213 is powered on, the second coil 36 in the power-off opening device 3 is powered on all the time, so that the first through hole 31 and the second through hole 32 are misaligned, and a person is prevented from directly opening the flat cable protective plate 13 through the first through hole 31 by using a long strip-shaped object. Namely, when the cabinet body 1 is electrified, the chest card can be identified only through the radio frequency card reading device to open the flat cable protection plate 13; in case of power failure, the flat cable protective plate 13 can be opened through the long strip object in an emergency.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (7)

1. An intelligent personnel identification control cabinet, which comprises a cabinet body and a personnel identification device and is characterized in that,
the personnel identification device is arranged on the cabinet body; the cabinet body comprises a power supply master controller, and the power supply master controller is used for controlling the power supply of each electric control device in the cabinet body; the personnel identification device is electrically connected with the power supply master controller; after the personnel are identified by the personnel identification device, the power supply master controller controls each electric control device in the cabinet body to be powered on;
the cabinet body still includes: the first electronic lock is used for controlling the opening or closing of a cabinet door of the cabinet body; the personnel identification device is electrically connected with the first electronic lock; after the personnel pass through the identification of the personnel identification device, the first electronic lock controls the opening of the cabinet door of the cabinet body;
the person identification device includes:
the camera is arranged on the upper part of the front side of the cabinet body and is used for shooting an image in front of the cabinet body;
the image identification module is electrically connected with the camera and used for identifying the image and extracting first identification information of personnel in the image;
the controller is electrically connected with the image recognition module and the first electronic lock respectively;
the memory is electrically connected with the controller and is used for pre-storing second identification information;
the controller acquires the first identification information through the image identification module, compares the first identification information with the second identification information, and determines that the person passes through the identification of the person identification device when the comparison is passed, the controller sends a first signal to the first electronic lock, and the first electronic lock controls the cabinet door of the cabinet body to be opened;
the cabinet body includes: the cable arrangement protection mechanism and the second electronic lock; the winding displacement protection mechanism is used for protecting the connection lines between the switches and the electric appliances in the cabinet body and preventing personnel from randomly changing the connection lines between the switches and the electric appliances; the second electronic lock controls the opening and closing of the flat cable protection mechanism; the second electronic lock is electrically connected with the controller;
the person identification apparatus further includes:
the radio frequency card reading device is arranged in the cabinet body and is electrically connected with the controller;
the controller reads first radio frequency information in a radio frequency card shown by a person through the radio frequency card reading device, and when the first radio frequency information is successfully matched with second radio frequency information stored in a memory in advance, the controller controls the second electronic lock to act to open the winding displacement protection mechanism;
the winding displacement protection mechanism includes:
the flat cable protective plate is hinged to one side face inside the cabinet body on one side, and the middle part of the other side of the flat cable protective plate is locked to the other side face inside the cabinet body through the second electronic lock; a plurality of hollows for electric control devices in the cabinet body to pass through are arranged on the flat cable protective plate;
the second electronic lock includes:
a setting seat fixedly arranged on the inner wall of the cabinet body
The first coil is fixedly arranged on the setting seat and is electrically connected with the controller;
the first iron core is Z-shaped, and one end of the first iron core is sleeved in the first coil;
the first spring is sleeved at one end of the first iron core and is positioned between the first coil and the first iron core;
the flat cable protective plate is locked on one side of the cabinet body through the second electronic lock and is provided with an L-shaped folded edge; the inner wall of the cabinet body is provided with an L-shaped connector, and the L-shaped connector and the inner wall of the cabinet body form an accommodating cavity of the L-shaped folded edge; one end, far away from the first coil, of the first iron core is arranged above the accommodating cavity, and the L-shaped folded edge is limited in the accommodating cavity by the first iron core; the first coil is electrified to generate magnetism, the first iron core moves towards the direction of the first coil under the action of the magnetism, the first iron core is moved away from the upper part of the containing cavity, the L-shaped folding edge is removed from the containing cavity, and the opening of the flat cable protection plate is realized.
2. The intelligent personnel identification control cabinet of claim 1 wherein said image identification module performs operations comprising:
step 1: acquiring the image shot by the camera in real time, extracting a moving contour from the image, and tracking the moving contour;
step 2: judging whether the contour is a human body contour; if so, sampling an image of the outline by using a sampling frame as the first identification information; if not, discarding the contour;
and step 3: when the contour is a human body contour, the behavior intention of the person corresponding to the human body contour is judged based on the tracking information, and when the behavior intention is to open the cabinet door of the cabinet body, the first identification information is sent to the controller.
3. The intelligent personnel identification control cabinet of claim 2, wherein said controller compares said first identification information with said second identification information, specifically comprising:
dividing the first identification information into m first divided regions, and dividing the second identification information into m second divided regions; the first division areas correspond to the second division areas one by one;
converting the color image of the first segmentation region or the second segmentation region into a corresponding Gaussian image; the method specifically comprises the following steps:
Figure 640181DEST_PATH_IMAGE001
；
wherein the content of the first and second substances,
Figure 67751DEST_PATH_IMAGE002
、
Figure 722723DEST_PATH_IMAGE003
、
Figure 475916DEST_PATH_IMAGE004
respectively representing different color components in the Gaussian image;
Figure 717803DEST_PATH_IMAGE005
respectively representing different color components in the color image; t represents a preset conversion matrix;
calculating a local gradient spectrum in the Gaussian image; the method specifically comprises the following steps:
Figure 339278DEST_PATH_IMAGE006
；
wherein the content of the first and second substances,
Figure 989702DEST_PATH_IMAGE007
is shown as
Figure 507271DEST_PATH_IMAGE008
A magnitude spectrum of the individual pixels over different color components in the gaussian image;
Figure 875935DEST_PATH_IMAGE009
is shown as
Figure 35521DEST_PATH_IMAGE008
Color component values of the gaussian image of the individual pixels;
Figure 806031DEST_PATH_IMAGE010
respectively represent
Figure 995966DEST_PATH_IMAGE011
Direction and
Figure 976560DEST_PATH_IMAGE012
the operator of the direction is then calculated,
Figure 549624DEST_PATH_IMAGE013
represents a convolution;
calculating a local intensity spectrum
Figure 33695DEST_PATH_IMAGE014
(ii) a The calculation formula is as follows:
Figure 158646DEST_PATH_IMAGE015
；
according to the local gradient spectrum
Figure 236323DEST_PATH_IMAGE014
And the local intensity spectrum
Figure 236323DEST_PATH_IMAGE014
Is calculated to be
Figure 504756DEST_PATH_IMAGE008
Comparison value of each pixel
Figure 984279DEST_PATH_IMAGE016
(ii) a The method specifically comprises the following steps:
Figure 545710DEST_PATH_IMAGE017
；
wherein the content of the first and second substances,
Figure 845105DEST_PATH_IMAGE018
is a preset constant and is used as a reference,
Figure 150184DEST_PATH_IMAGE019
respectively represent
Figure 343268DEST_PATH_IMAGE008
The mean and standard deviation of the local gradient spectrum of the individual pixels;
Figure 950967DEST_PATH_IMAGE020
respectively represent
Figure 363756DEST_PATH_IMAGE008
Mean and standard deviation of local intensity spectra of individual pixels；
Figure 82313DEST_PATH_IMAGE018
And
Figure 661062DEST_PATH_IMAGE021
respectively are preset weighted values;
taking the average value of the comparison values of all pixels as the comparison value of the first division area or the second division area;
calculating the identification degree P of the first identification information and the second identification information based on the comparison values of m first divided regions and the comparison values of m second divided regions; the calculation formula is as follows:
Figure 439662DEST_PATH_IMAGE022
；
wherein the content of the first and second substances,
Figure 838282DEST_PATH_IMAGE023
is shown as
Figure 485164DEST_PATH_IMAGE024
The comparison value of each of the first divided regions,
Figure 528207DEST_PATH_IMAGE025
is shown as
Figure 103807DEST_PATH_IMAGE024
B is a preset threshold, and count represents the number of the difference between the first segmentation area and the second segmentation area which is smaller than or equal to the preset threshold in statistics;
when the identification degree is greater than a preset identification degree, determining that the first identification information and the second identification information are in accordance, namely, the comparison is passed; and when the identification degree is less than or equal to a preset identification degree, determining that the first identification information is not matched with the second identification information, namely, the comparison is not passed.
4. The intelligent personnel identification control cabinet of claim 2, wherein said sampling frame sampling said outline image as said first identification information specifically comprises:
determining a first distance of the contour from the cabinet;
when the first distance is within a preset threshold interval, determining the length L and the width W of the sampling frame based on the first distance, wherein a specific calculation formula is as follows:
Figure 724144DEST_PATH_IMAGE026
；
wherein the content of the first and second substances,
Figure 50083DEST_PATH_IMAGE027
in order to preset the reference distance, the distance between the reference point and the reference point is set to be a preset reference distance,
Figure 72266DEST_PATH_IMAGE028
a preset reference length is indicated and,
Figure 192669DEST_PATH_IMAGE029
which represents a preset reference width of the image data,
Figure 831460DEST_PATH_IMAGE030
a correction value of a preset length is indicated,
Figure 695511DEST_PATH_IMAGE031
representing a preset width correction value;
and when the first distance is not in the preset threshold value, not sampling the first identification information.
5. The intelligent personnel identification control cabinet of claim 2, wherein based on said tracking information, determining the behavioral intent of the personnel corresponding to said human body contour specifically comprises:
in the cabinet bodyThe center point is the origin
Figure 61946DEST_PATH_IMAGE032
Establishing a coordinate system along the surface direction of the cabinet body and the direction vertical to the central point;
obtain the first time
Figure 743463DEST_PATH_IMAGE033
The center position of the human body outline is positioned in the coordinates in the coordinate system
Figure 479338DEST_PATH_IMAGE034
；
When the second moment is obtained
Figure 271714DEST_PATH_IMAGE035
The center position of the human body outline is positioned in the coordinates in the coordinate system
Figure 878276DEST_PATH_IMAGE036
；
Calculating the orientation, i.e. vector, of the contour motion of the body
Figure 730694DEST_PATH_IMAGE037
；
Calculating the vector from the human body contour to the origin of the coordinate system at the first moment
Figure 314384DEST_PATH_IMAGE038
；
When the vector is
Figure 520238DEST_PATH_IMAGE037
Sum vector
Figure 637098DEST_PATH_IMAGE038
Angle of (2)
Figure 535784DEST_PATH_IMAGE039
When the included angle is not larger than the preset included angle, the cabinet body is determined to be opened intentionally by a corresponding person, wherein the calculation formula of the included angle is as follows:
Figure 839727DEST_PATH_IMAGE040
；
and/or the presence of a gas in the gas,
calculating the speed of the human body contour motion
Figure 849271DEST_PATH_IMAGE041
The calculation formula is as follows:
Figure 86217DEST_PATH_IMAGE042
；
and when the speed is not greater than the preset speed value, determining that the corresponding person intentionally opens the cabinet.
6. The intelligent personnel identification control cabinet of claim 1, wherein said cabinet body further comprises:
the contact confirmation device is arranged in the accommodating cavity and is connected with the controller;
after the controller confirms that the L-shaped folded edge of the flat cable protection plate enters the accommodating cavity through the contact confirmation device, the controller controls the first coil to be powered off, the first coil loses magnetism when being powered off, and the first iron core moves towards the upper part of the accommodating cavity under the action of the first spring to limit the L-shaped folded edge in the accommodating cavity;
the contact confirmation apparatus includes:
the setting groove is arranged at the bottom of the accommodating cavity;
a contact body disposed at an opening of the setting groove, a second spring being disposed between the setting groove and the contact body;
and the pressure sensor is arranged on the upper surface of the contact body and is electrically connected with the controller.
7. The intelligent personnel identification control cabinet of claim 1, wherein said cabinet body further comprises:
the power-off opening device is used for opening the flat cable protection plate when the cabinet body is powered off;
the power-off opening device includes:
the first through hole penetrates through the inner wall of the controller and is positioned at a position corresponding to the first iron core;
the second coil is embedded in the inner wall of the cabinet body; the second coil is connected with the cabinet body power supply;
one end of the second iron core is sleeved in the second coil, and the other end of the second iron core is fixed with a sliding block; the sliding block is positioned in the middle of the first through hole, and a second through hole is formed in the middle of the sliding block;
the third spring is sleeved on the second iron core and positioned between the second coil and the sliding block;
when the cabinet body cuts off the power, the second coil is cut off the power simultaneously, the second coil loses magnetism, the second iron core moves towards the direction of keeping away from the second coil, and the second through hole of the sliding block is communicated with the first through hole.
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