CN109979029A - One kind being based on electronics class board human face identification work-attendance checking system - Google Patents
One kind being based on electronics class board human face identification work-attendance checking system Download PDFInfo
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- CN109979029A CN109979029A CN201910134968.6A CN201910134968A CN109979029A CN 109979029 A CN109979029 A CN 109979029A CN 201910134968 A CN201910134968 A CN 201910134968A CN 109979029 A CN109979029 A CN 109979029A
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- Prior art keywords
- class board
- electronics class
- main body
- board main
- unit
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- 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
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/161—Detection; Localisation; Normalisation
- G06V40/166—Detection; Localisation; Normalisation using acquisition arrangements
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- 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
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/16—Human faces, e.g. facial parts, sketches or expressions
- G06V40/168—Feature extraction; Face representation
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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
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
Abstract
The invention discloses one kind to be based on electronics class board human face identification work-attendance checking system, more particularly to technical field of face recognition, including electronics class board main body, electronics class board body surfaces center is provided with display screen, the display screen side is provided with illuminance sensor probe and the other side is provided with camera, the camera bottom is provided with infrared detector, and setting is fluted at the top of the display screen, and the inside grooves cooperation is equipped with fluorescent tube.The present invention using infrared detector by being detected close to electronics class board main body to attendance person's aspectual character information, the height adjustment for making electric pushrod that connecting rod be driven to do vertical direction along guide groove, the height of electronics class board main body is adjusted to realize, so that the positive camera face of electronics class board main body waits for the face of attendance person, be conducive to avoid bending over to attendance person or feet makes facial alignment camera, also, the region of camera collection image information can be illuminated by lamp luminescence.
Description
Technical field
The present invention relates to technical field of face recognition, it is more particularly related to which a kind of be based on electronics class board face
Identify attendance checking system.
Background technique
With the rapid development of campus network infrastructure, information technology and education are combined into current educational modernization
The direction of reform and development.Electronics class board makes full use of campus existing network and part display equipment, integrates video, picture, text
The various multimedia resources such as word, data show the much informations such as campus and teachers and students' elegance, notice notice, and the row's of support class, choosing
Class, curriculums inquiry, curriculum information shows and attends class and attendance management, not only enriches campus life, but also realize the efficient of information
It shows and propagates.
The utility model patent of 207909484 U of patent application publication CN discloses a kind of smart electronics class board, a side
Face presents the rich and varied of class Culture, meanwhile, also become school and class, Faculty and Students and parents and students
Between one of interactive media；On the other hand, it is also added into the Bluetooth signal module connecting with classroom seat, seat can be obtained in real time
Whether people is sat on gravity state, that is, seat on chair, so that the detection in classroom to class rate is realized, due to having used Bluetooth signal
Module only need to match each Bluetooth signal module with corresponding position seat in reality, thus prevent occur on behalf of
The case where swiping the card facilitates school control.
But it is in actual use, still there is more disadvantage, it such as in use, can be in chair after generation swipes the card
Corresponding weight is placed on son, so, the Bluetooth signal module being connect with classroom seat be cannot detect be on seat
No seat people, and cannot determine whether it is to come to class in person.
Summary of the invention
In order to overcome the drawbacks described above of the prior art, the embodiment of the present invention provides a kind of based on the board recognition of face of electronics class
Attendance checking system makes electricity by being detected using infrared detector close to electronics class board main body to attendance person's aspectual character information
Dynamic push rod drives connecting rod to do the height adjustment of vertical direction along guide groove, adjusts to realize to the height of electronics class board main body
It is whole, so that the positive camera face of electronics class board main body waits for the face of attendance person, be conducive to avoid to bend over or pad to attendance person
Foot makes facial alignment camera, meanwhile, when illuminance sensing probe detects the dark of external environment, using DSP
Chip controls the lamp luminescence on electronics class board at the top of display screen, to illuminate the region of camera collection image information, thus
The accuracy of Image Acquisition is improved, to solve the problems mentioned in the above background technology.
To achieve the above object, the invention provides the following technical scheme: a kind of be based on electronics class board human face identification work-attendance checking system
System, including electronics class board main body, electronics class board body surfaces center are provided with display screen, and the display screen side is set
It is equipped with illuminance sensor probe and the other side is provided with camera, the camera bottom is provided with infrared detector, institute
It is fluted to state setting at the top of display screen, the inside grooves cooperation is equipped with fluorescent tube, and the display screen bottom side is provided with loudspeaking
Device and the other side are provided with switch button, and the electronics class board body side is provided with mounting plate, in the mounting plate side
Portion is fixed with gib block, is fixed with top plate at the top of the gib block and bottom is fixed with bottom plate, the gib block one
Side is provided with guide groove, and the guide groove to gib block is run through, is provided between the gib block and electronics class board main body vertically
Connecting rod, described connecting rod one end are fixedly linked with electronics class board main body, and the guide groove on gib block is arranged in the connecting rod other end
It is interior, electric pushrod is provided at the top of the bottom plate, the electric pushrod is arranged in guide groove, the end of the electric pushrod with
The connecting rod one end being arranged in guide groove is fixedly linked；
The electronics class board body interior is provided with dsp chip, includes centralized processing unit on the dsp chip, the collection
The end that is sequentially connected of middle processing unit is connected with illuminance detection unit, information comparison unit, voice alerting unit, height adjustment
Unit and human body proximity test unit, the connecting pin of the information comparison unit are connected with image acquisition units, the illuminance
Detection unit connecting pin is connected with illuminance sensor probe, and the voice alerting unit connecting pin is connected with loudspeaker, described
Height adjusting unit connecting pin is connected with electric pushrod, and the human body proximity test unit connecting pin is connected with infrared detector,
Described image acquisition unit connecting pin is connected with camera.
In a preferred embodiment, the DPS chip using TI company TMS320LF2407A type core
Piece, kernel TNS320C2XX have 32 central logic arithmetic elements, include 32 bit accumulators and 16 * 16 parallel-by-bits
Multiplier.
In a preferred embodiment, the illuminance detection unit is for detecting electronics class board main body local environment
Bright-dark degree, described image acquisition unit is used to acquire the image information of attendance person, and the information comparison unit will be for that will take the photograph
As collected information is compared with information repository, the centralized processing unit is for focusing on each section component biography
The defeated information to come, and instruction assigned to related component, the voice alerting unit for remind attendance person whether attendance at
Function, the height adjusting unit for the relative elongation of electric pushrod to be adjusted, use by the human body proximity test unit
In the aspectual character for detecting close person.
In a preferred embodiment, the connecting rod is shaped to T-shaped, the shaft section shape of the guide groove
Shape be it is T-shaped, the connecting rod matches with guide groove.
In a preferred embodiment, the installation plate surface, which runs through, is equipped with mounting hole, and the installation hole number is set
Four are set to, four mounting holes are separately positioned on the corner location of mounting plate.
In a preferred embodiment, gib block surface two sides are provided tiltedly with support rod, the support rod
One end is fixed with supporting plate, and the supporting plate is arranged in parallel vertically with electronics class board main body, and the supporting plate is close to electronics class board main body
Side activity fitting, the side to be fitted on the supporting plate with electronics class board main body is coated with rubber mat.
Technical effect and advantage of the invention:
1, of the invention by being detected using infrared detector close to electronics class board main body to attendance person's aspectual character information, and
The height information that will test is transmitted to the centralized processing unit on dsp chip, from centralized processing unit to height adjusting unit
Instruction is assigned, the height adjustment for making electric pushrod that connecting rod be driven to do vertical direction along guide groove, to realize to electronics class board master
The height of body is adjusted so that the positive camera face of electronics class board main body waits for the face of attendance person, be conducive to avoid to
Attendance person bends over or feet makes facial alignment camera, and after the completion of the height adjustment of electronics class board main body, camera starts
Acquire the facial image information to attendance person, and the information that will be pre-stored in real-time acquired image information and Image Database
It is compared, comparison information is then transferred to centralized processing unit, if the similarity degree of comparison information reaches presetting
Threshold value then issues the successful prompt tone of attendance by loudspeaker, to carry out next round attendance, conversely, it is failed then to issue attendance
Prompt tone, also, during portion's image is acquired over there, if the positive illuminance sensing probe of electronics class board main body
When detecting the dark of external environment, the information that can be will test is transferred to dsp chip as electronic signals, and by DSP
Chip controls the lamp luminescence on electronics class board at the top of display screen, to illuminate the region of camera collection image information, thus
Improve the accuracy of Image Acquisition；
2, the present invention is by being equipped with the connecting rod and guide groove that are mutually matched, since connecting rod is shaped to T-shaped, guide groove
Axial section shape be it is T-shaped, be conducive to the mutual detent by the connecting rod and shaft section of T-shaped between T-shaped guide groove,
Rise so that electronics class board main body is stablized under the promotion of electric pushrod, simultaneously as gib block surface two sides are provided tiltedly with
Support rod, support rod one end are fixed with supporting plate, and supporting plate is arranged in parallel vertically with electronics class board main body, and supporting plate is close to electronics class
The side activity of board main body is bonded, and the side to fit on supporting plate with electronics class board main body is coated with rubber mat, is conducive into one
Step promotes stability of the electronics class board main body in uphill process, meanwhile, the side to fit on supporting plate with electronics class board main body
The setting of upper rubber mat, the phenomenon that can avoid occurring electronics class board main body surface is scratched in uphill process.
Detailed description of the invention
Fig. 1 is electronics class board main view of the invention；
Fig. 2 is electronics class board cross-sectional view of the invention；
Fig. 3 is installing mechanism structural schematic diagram of the invention；
Fig. 4 is link mechanism schematic diagram of the invention；
Fig. 5 is system construction drawing of the invention；
Fig. 6 is electric elements circuit control principle figure of the invention；
Appended drawing reference are as follows: 1 electronics class board main body, 2 illuminance sensors probe, 3 cameras, 4 infrared detectors, 5 grooves, 6 lamps
Pipe, 7 loudspeakers, 8 switch buttons, 9 connecting rods, 10 mounting plates, 11 gib blocks, 12 top plates, 13 bottom plates, 14 guide grooves, 15 electronic push away
Bar, 16 support rods, 17 supporting plates, 18 rubber mats.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1
The present invention provides one kind as shown in figures 1 to 6 to be based on electronics class board human face identification work-attendance checking system, including electronics class board master
Body 1, the 1 centre of surface position of electronics class board main body are provided with display screen, and the display screen side is provided with illuminance sensing
Device probe 2 and the other side are provided with camera 3, wherein what illuminance sensor probe 2 was selected is NHZD203T type illuminance
Sensor probe, 3 bottom of camera is provided with infrared detector 4, and the selection of infrared detector 4 is that DT-7380 type is red
External detector, display screen top setting fluted 5,5 internal engagement of groove is equipped with fluorescent tube 6, the display screen bottom
Side is provided with loudspeaker 7 and the other side is provided with switch button 8, and 1 side of electronics class board main body is provided with mounting plate
10,10 1 middle side part of mounting plate is fixed with gib block 11, is fixed with top plate 12 and bottom at the top of the gib block 11
Portion is fixed with bottom plate 13, and 11 side of gib block is provided with guide groove 14, and the guide groove 14 is vertically to through gib block
11, connecting rod 9 is provided between the gib block 11 and electronics class board main body 1, described 9 one end of connecting rod and electronics class board main body 1 are solid
Fixed to be connected, 9 other end of connecting rod is arranged in the guide groove 14 on gib block 11, is provided with electronic push away at the top of the bottom plate 13
Bar 15, the electric pushrod 15 are arranged in guide groove 14, the end of the electric pushrod 15 and are arranged in guide groove 14
9 one end of connecting rod is fixedly linked；
The electronics class board main body 1 is internally provided with dsp chip, and the DPS chip is using TI company
TMS320LF2407A cake core, kernel TNS320C2XX have 32 central logic arithmetic elements, include 32 and add up
Device and 16 * 16 Bit Parallel Multipliers include centralized processing unit on the dsp chip, the centralized processing unit according to
It is close that secondary connecting pin is connected with illuminance detection unit, information comparison unit, voice alerting unit, height adjusting unit and human body
Detection unit, the connecting pin of the information comparison unit are connected with image acquisition units, illuminance detection unit connecting pin
It is connected with illuminance sensor probe 2, the voice alerting unit connecting pin is connected with loudspeaker 7, the height adjusting unit
Connecting pin is connected with electric pushrod 15, and the human body proximity test unit connecting pin is connected with infrared detector 4, and described image is adopted
Collection unit connecting pin is connected with camera 3, and the illuminance detection unit is for detecting the bright of 1 local environment of electronics class board main body
Dark degree, described image acquisition unit are used to acquire the image information of attendance person, and the information comparison unit is used for camera 3
Collected information is compared with information repository, and the centralized processing unit is transmitted across for focusing on each section component
The information come, and instruction is assigned to related component, the voice alerting unit is for reminding attendance person whether attendance is successful, institute
Height adjusting unit is stated for the relative elongation of electric pushrod 15 to be adjusted, the human body proximity test unit is for examining
Survey the aspectual character close to person.
As can be seen from the above embodiments: the present invention by detected using infrared detector 4 close to electronics class board main body 1 to
Attendance person's aspectual character information, and the height information that will test is transmitted to the centralized processing unit on dsp chip, by concentration
It manages unit and assigns instruction to height adjusting unit, the height for making electric pushrod 15 that connecting rod 9 be driven to do vertical direction along guide groove 14
It adjusts, the height of electronics class board main body 1 is adjusted to realize, so that positive 3 face of camera of electronics class board main body 1
To the face of attendance person, is conducive to avoid bending over to attendance person or feet makes facial alignment camera 3, when electronics class board main body
After the completion of 1 height adjustment, camera 3 starts to acquire the facial image information to attendance person, and by real-time acquired image
Information is compared with the information being pre-stored in Image Database, and comparison information is then transferred to centralized processing unit, if
The similarity degree of comparison information reaches presetting threshold value, then issues the successful prompt tone of attendance by loudspeaker 7, next to carry out
Attendance is taken turns, conversely, then issue the failed prompt tone of attendance, also, during portion's image is acquired over there, if electric
When the positive illuminance sensing probe 2 of sub- class's board main body 1 detects the dark of external environment, the information that can be will test is with electricity
The form of signal is transferred to dsp chip, and the lamp luminescence on electronics class board at the top of display screen is controlled by dsp chip, to shine
Bright camera 3 acquires the region of image information, to improve the accuracy of Image Acquisition.
Embodiment 2
Further, the connecting rod 9 is shaped to T-shaped, the axial section shape of the guide groove 14 be it is T-shaped, it is described
Connecting rod 9 matches with guide groove 14, is conducive to the phase by the connecting rod 9 of T-shaped with shaft section between T-shaped guide groove 14
Mutual detent rises so that electronics class board main body 1 is stablized under the promotion of electric pushrod 15.
Further, 10 surface of mounting plate, which is run through, is equipped with mounting hole, and the installation hole number is set as four, four
The mounting hole is separately positioned on the corner location of mounting plate 10, is greatly improved the stability of the installation of electronics class board main body 1.
Further, the 11 surface two sides of gib block are provided tiltedly with support rod 16, and described 16 one end of support rod is fixed
Equipped with supporting plate 17, the supporting plate 17 is arranged in parallel vertically with electronics class board main body 1, and the supporting plate 17 is close to electronics class board main body 1
Side activity fitting, the side to be fitted on the supporting plate 17 with electronics class board main body 1 is coated with rubber mat 18, is conducive into one
Step promotes stability of the electronics class board main body 1 in uphill process, meanwhile, it fits on supporting plate 17 with electronics class board main body 1
The setting of rubber mat 18 on side, the phenomenon that can avoid occurring electronics class board main body 1 surface is scratched in uphill process.
Working principle of the present invention:
Referring to Figure of description 1-6, before use, first electronics class board main body 1 can be connected with external power supply, and start electronics class
The switch button 8 on 1 surface of board main body, in use, when attendance person is close to electronics class board main body 1, infrared detector 4
The aspectual character to attendance person can be detected automatically, and the height information that will test is transmitted to the centralized processing list on dsp chip
Member assigns instruction from centralized processing unit to height adjusting unit, makes electric pushrod 15 that connecting rod 9 be driven to do vertically along guide groove 14
The height adjustment in direction is adjusted the height of electronics class board main body 1 to realize, so that electronics class board main body 1 is positive
3 face of camera waits for the face of attendance person, is conducive to avoid bending over to attendance person or feet makes facial alignment camera 3, when
After the completion of the height adjustment of electronics class board main body 1, camera 3 starts to acquire the facial image information to attendance person, and will be real-time
Acquired image information is compared with the information being pre-stored in Image Database, and then comparison information is transferred at concentration
Unit is managed, if the similarity degree of comparison information reaches presetting threshold value, then attendance is issued by loudspeaker 7 and successfully prompted
Sound, to carry out next round attendance, conversely, then issue the failed prompt tone of attendance, also, portion's image is acquired over there
In the process, it if the positive illuminance sensing probe 2 of electronics class board main body 1 detects the dark of external environment, can will examine
The information measured is transferred to dsp chip as electronic signals, and is controlled on electronics class board at the top of display screen by dsp chip
Lamp luminescence, to illuminate the region that camera 3 acquires image information, to improve the accuracy of Image Acquisition；
Referring to Figure of description 2-4, during being adjusted using height of the electric pushrod 15 to electronics class board main body 1,
Since connecting rod 9 is shaped to T-shaped, the axial section shape of guide groove 14 is T-shaped, and connecting rod 9 and 14 phase of guide groove
Match, be conducive to the mutual detent by the connecting rod 9 and shaft section of T-shaped between T-shaped guide groove 14, so that electronics class board
Main body 1 is stablized under the promotion of electric pushrod 15 and is risen, simultaneously as 11 surface two sides of gib block are provided tiltedly with support rod
16,16 one end of support rod is fixed with supporting plate 17, and supporting plate 17 is arranged in parallel vertically with electronics class board main body 1, and supporting plate 17 is close
The side activity of electronics class board main body 1 is bonded, and the side to fit on supporting plate 17 with electronics class board main body 1 is coated with rubber mat
18, be conducive to further promote stability of the electronics class board main body 1 in uphill process, meanwhile, on supporting plate 17 with electronics class board
The setting of rubber mat 18 on the side that main body 1 fits, can avoid the surface in uphill process of electronics class board main body 1 occur being scratched
The phenomenon that.
The several points that should finally illustrate are: firstly, in the description of the present application, it should be noted that unless otherwise prescribed and
It limits, term " installation ", " connected ", " connection " shall be understood in a broad sense, can be mechanical connection or electrical connection, be also possible to two
Connection inside element, can be directly connected, and "upper", "lower", "left", "right" etc. are only used for indicating relative positional relationship, when
The absolute position for being described object changes, then relative positional relationship may change；
Secondly: the present invention discloses in embodiment attached drawing, relates only to the structure being related to the embodiment of the present disclosure, and other structures can
With reference to being commonly designed, under not conflict situations, the same embodiment of the present invention and different embodiments be can be combined with each other；
Last: the foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. one kind is based on electronics class board human face identification work-attendance checking system, including electronics class board main body (1), it is characterised in that: the electricity
Sub- class's board main body (1) centre of surface position is provided with display screen, and the display screen side is provided with illuminance sensor probe (2)
And the other side is provided with camera (3), camera (3) bottom is provided with infrared detector (4), at the top of the display screen
It is arranged fluted (5), groove (5) internal engagement is equipped with fluorescent tube (6), and the display screen bottom side is provided with loudspeaker
(7) and the other side is provided with switch button (8), and electronics class board main body (1) side is provided with mounting plate (10), the peace
(10) one middle side part of loading board is fixed with gib block (11), is fixed with top plate (12) and bottom at the top of the gib block (11)
It is fixed with bottom plate (13), gib block (11) side is provided with guide groove (14), and the guide groove (14) is vertically to running through
Gib block (11) is provided with connecting rod (9) between the gib block (11) and electronics class board main body (1), described connecting rod (9) one end with
Electronics class board main body (1) is fixedly linked, in the guide groove (14) that connecting rod (9) other end is arranged on gib block (11), institute
It states and is provided with electric pushrod (15) at the top of bottom plate (13), electric pushrod (15) setting is described electronic in guide groove (14)
The end of push rod (15) is fixedly linked with connecting rod (9) one end being arranged in guide groove (14)；
The electronics class board main body (1) is internally provided with dsp chip, includes centralized processing unit on the dsp chip, described
The end that is sequentially connected of centralized processing unit is connected with illuminance detection unit, information comparison unit, voice alerting unit, height tune
Section unit and human body proximity test unit, the connecting pin of the information comparison unit are connected with image acquisition units, the illumination
Degree detection unit connecting pin is connected with illuminance sensor probe (2), and the voice alerting unit connecting pin is connected with loudspeaker
(7), the height adjusting unit connecting pin is connected with electric pushrod (15), and the human body proximity test unit connecting pin is connected with
Infrared detector (4), described image acquisition unit connecting pin are connected with camera (3).
2. according to claim 1 a kind of based on electronics class board human face identification work-attendance checking system, it is characterised in that: the DPS
TMS320LF2407A cake core of the chip using TI company, kernel TNS320C2XX have 32 central logic fortune
Unit is calculated, 32 bit accumulators and 16 * 16 Bit Parallel Multipliers are included.
3. according to claim 1 a kind of based on electronics class board human face identification work-attendance checking system, it is characterised in that: the illumination
Degree detection unit is used to detect the bright-dark degree of electronics class board main body (1) local environment, and described image acquisition unit is for acquiring
The image information of attendance person, the information comparison unit is for opposing camera (3) collected information with information repository
Than the centralized processing unit assigns related component for focusing on the information that each section component transmits
Instruction, the voice alerting unit is for reminding attendance person whether attendance is successful, and the height adjusting unit to electronic for pushing away
The relative elongation of bar (15) is adjusted, and the human body proximity test unit is used to detect the aspectual character close to person.
4. according to claim 1 a kind of based on electronics class board human face identification work-attendance checking system, it is characterised in that: the connecting rod
(9) it is shaped to T-shaped, the axial section shape of the guide groove (14) is T-shaped, the connecting rod (9) and guide groove
(14) match.
5. according to claim 1 a kind of based on electronics class board human face identification work-attendance checking system, it is characterised in that: the installation
Plate (10) surface, which is run through, is equipped with mounting hole, and the installation hole number is set as four, and four mounting holes are separately positioned on peace
The corner location of loading board (10).
6. according to claim 1 a kind of based on electronics class board human face identification work-attendance checking system, it is characterised in that: the guiding
Item (11) surface two sides are provided tiltedly with support rod (16), and described support rod (16) one end is fixed with supporting plate (17), the support
Plate (17) is arranged in parallel vertically with electronics class board main body (1), and the supporting plate (17) is close to the activity of the side of electronics class board main body (1)
It is bonded, the side to fit on the supporting plate (17) with electronics class board main body (1) is coated with rubber mat (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134968.6A CN109979029A (en) | 2019-02-24 | 2019-02-24 | One kind being based on electronics class board human face identification work-attendance checking system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910134968.6A CN109979029A (en) | 2019-02-24 | 2019-02-24 | One kind being based on electronics class board human face identification work-attendance checking system |
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| CN109979029A true CN109979029A (en) | 2019-07-05 |
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ID=67077260
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| CN201910134968.6A Pending CN109979029A (en) | 2019-02-24 | 2019-02-24 | One kind being based on electronics class board human face identification work-attendance checking system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111491028A (en) * | 2020-04-16 | 2020-08-04 | 成都佳发安泰教育科技股份有限公司 | Information active push implementation method based on electronic class board |
| CN113470235A (en) * | 2021-06-30 | 2021-10-01 | 刘迪 | Intelligent access control system for residential area |
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Application publication date: 20190705 |