CN108363955A - A kind of safe and reliable face recognition device with In vivo detection function - Google Patents
A kind of safe and reliable face recognition device with In vivo detection function Download PDFInfo
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- CN108363955A CN108363955A CN201810044797.3A CN201810044797A CN108363955A CN 108363955 A CN108363955 A CN 108363955A CN 201810044797 A CN201810044797 A CN 201810044797A CN 108363955 A CN108363955 A CN 108363955A
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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
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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
- G06V40/40—Spoof detection, e.g. liveness detection
- G06V40/45—Detection of the body part being alive
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of safe and reliable face recognition devices with In vivo detection function,Including pedestal,Pedal,Stabilizer blade,Identifier,Top plate,Translation mechanism and Liang Ge jets mechanism,Jet mechanism includes sunpender,Translation plates,Jet assembly,Tuning component and nozzle,Tuning component includes first motor,Eccentric wheel,Spring,Tuning bar,Second motor and connecting rod,Jet assembly includes jet box,Air jet pipe,Air inlet pipe and airscoop shroud,The safe and reliable face recognition device with In vivo detection function is when carrying out recognition of face,The angle of nozzle is adjusted by the tuning component in jet mechanism,Nozzle alignment human eye is set to spray air,Whether blinked by camera detection,To realize the function of In vivo detection,Moreover,Make nozzle alignment camera using tuning component,And air velocity is accelerated by speed adjustment unit,Nozzle is set to spray high-speed air,Camera is cleaned,Accurate recognition of face is carried out convenient for equipment.
Description
Technical field
The present invention relates to face recognition device field, more particularly to a kind of safe and reliable people with In vivo detection function
Face identification equipment.
Background technology
Recognition of face is a kind of biological identification technology that the facial feature information based on people carries out identification.With camera shooting
Machine or camera acquire image or video flowing containing face, and automatic detect and track face in the picture, and then to detection
The face that arrives carries out a series of the relevant technologies of face, usually also referred to as Identification of Images, face recognition.
Existing face recognition device relies primarily on camera collection image at runtime, passes through image zooming-out face feature
It analyses and compares, to confirm identity, but is easy to be known to deal with face using photo or video by criminal in this way
Camera in other equipment, makes existing face identification device there are certain security breaches, reliability is caused to reduce, meanwhile,
Camera is exposed to the outside of equipment, is easy dust stratification, causes camera image shooting unintelligible, influences the characteristic of face
Acquisition, and then the judgement of equipment is affected, even if partial devices clean the surface of camera by wiping, but it is easy in this way
The eyeglass of camera is caused to wear, and repeatedly easy tos produce electrostatic after friction, more dusts is adsorbed, causes existing face
Identification equipment practicability reduces.
Invention content
The technical problem to be solved by the present invention is to：For overcome the deficiencies in the prior art, it provides a kind of with In vivo detection
The safe and reliable face recognition device of function.
The technical solution adopted by the present invention to solve the technical problems is：It is a kind of safe and reliable with In vivo detection function
Face recognition device, including pedestal, pedal, stabilizer blade, identifier, top plate, translation mechanism and Liang Ge jets mechanism, the pedal
It is fixed on the top of pedestal, the identifier is fixed on the top of pedestal by stabilizer blade, and the top plate is fixed on the upper of identifier
Side, the translation mechanism are arranged in the top of top plate, and Liang Ge jets mechanism is separately positioned on the both sides of identifier, the identifier
Interior to be equipped with PLC, the identifier is equipped with display screen and camera, and the display screen and camera are electrically connected with PLC；
The jet mechanism includes sunpender, translation plates, jet assembly, tuning component and nozzle, the top of the sunpender with
Translation mechanism connects, and the translation plates are fixed on the bottom end of sunpender, and the jet assembly and tuning component are arranged at translation plates
On, the tuning component is sequentially connected with nozzle；
The tuning component includes first motor, eccentric wheel, spring, tuning bar, the second motor and connecting rod, the tuning
The top of bar is hinged with translation plates, and second motor is fixed on the bottom end of tuning bar, second motor by with connecting rod
One end be sequentially connected, the nozzle is fixed on the other end of connecting rod, and the first motor is fixed in translation plates, described the
One motor and spring are respectively positioned on the side of the close jet assembly of tuning bar, and the first motor is sequentially connected with eccentric wheel, institute
The lower section that spring is located at eccentric wheel is stated, one end of the spring is connect with tuning bar, the other end and jet assembly of the spring
Connection, the spring are in tensional state, and the first motor and the second motor are electrically connected with PLC；
The jet assembly includes jet box, air jet pipe, air inlet pipe and airscoop shroud, and the jet box is fixed on translation plates
On, the jet box is connect with spring, and one end of the air jet pipe is connected to the bottom end of jet box, the other end of the air jet pipe
It being connected to nozzle, one end of the air inlet pipe is connected to the top of jet box, and the airscoop shroud is connected to the other end of air inlet pipe,
Air injection unit and speed adjustment unit are equipped in the jet box, the air injection unit is located at the top of speed adjustment unit.
Preferably, in order to drive jet mechanism to move, the translation mechanism includes that drive component, mobile bar and two stretch
Contracting component, two telescopic components are separately positioned on the both sides of drive component, and the telescopic component includes movable block, fixed block, stretches
Contracting frame, hinged block and two connecting rods, the driving component are sequentially connected with movable block, and the fixed block is fixed on the upper of top plate
Side, the fixed block are located at the side of the separate drive component of movable block, the both sides of one end of the expansion bracket respectively with fixation
Block and movable block are hinged, and the both sides of the other end of the expansion bracket are hinged by two connecting rods and hinged block respectively, described hinged
Block is fixedly connected with mobile bar, and the mobile bar is fixedly connected with the top of sunpender.
Preferably, in order to drive movable block to move, the driving component includes air pump, cylinder and two pistons, described
Air pump and cylinder are each attached to the top of top plate, and the air pump is connected to cylinder, and the piston is corresponded with telescopic component, institute
The one end for stating piston is arranged in cylinder, and the other end of the piston is fixedly connected with movable block, and the air pump is electrically connected with PLC
It connects.
Preferably, in order to make nozzle spray air, the air injection unit includes third motor, third drive shaft and two
Flabellum, the third motor are fixed on the inner wall of jet box, and the third motor and the top of third drive shaft are sequentially connected,
Two flabellums are separately positioned on the both sides of third drive shaft, and the third motor is electrically connected with PLC.
Preferably, in order to adjust the velocity magnitude of the air sprayed from nozzle, the speed adjustment unit include the 4th motor,
4th drive shaft, casing and speed governing block, the 4th motor are fixed on the inner wall of jet box, the 4th motor and 4 wheel driven
The top of moving axis is sequentially connected, and the bottom end of the 4th drive shaft is arranged in casing, and the periphery of the 4th drive shaft is equipped with
External screw thread, described sleeve pipe is interior to be equipped with internal thread, and the internal thread in described sleeve pipe matches with the external screw thread in the 4th drive shaft, institute
The shape for stating speed governing block is cone, and the bottom surface of the speed governing block is fixed on the bottom end of casing, and the 4th motor is electrically connected with PLC
It connects.
Preferably, in order to ensure that the steady movement of casing, the speed adjustment unit further include fixed ring, the fixed ring is solid
It is scheduled on the inner wall of jet box, the Fixing shrink ring is located on casing.
Preferably, in order to detect the displacement distance of casing, the side of described sleeve pipe is equipped with side lever and range sensor, institute
It states range sensor to be fixedly connected with casing by side lever, the range sensor is electrically connected with PLC.
Preferably, external dust enters in jet box in order to prevent, strainer, the airscoop shroud are equipped in the airscoop shroud
It is down-set.
Preferably, in order to check whether the front of personnel to be detected blocks, ultrasonic wave is additionally provided on the identifier
Rangefinder, the ultrasonic range finder are electrically connected with PLC.
Preferably, in order to confirm the people that whether stands on pedal, pressure sensor, the pressure sensing are equipped in the pedal
Device is electrically connected with PLC.
The invention has the advantages that should safe and reliable face recognition device with In vivo detection function into pedestrian
When face identifies, the angle of nozzle is adjusted by the tuning component in jet mechanism, so that nozzle alignment human eye is sprayed air, by taking the photograph
As head detects whether to blink, to realize the function of In vivo detection, moreover, nozzle alignment is set to take the photograph using tuning component
As head, and air velocity is accelerated by speed adjustment unit, so that nozzle is sprayed high-speed air, camera is cleaned, convenient for equipment into
The accurate recognition of face of row, compared with existing jet mechanism, the jet mechanism can not only flexible modulation nozzle direction and
The air velocity that nozzle sprays, while ensure that using strainer the cleaning of the air of ejection, avoid dust damage human eye and making dirty
Camera, to improve the practicability of equipment.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the safe and reliable face recognition device with In vivo detection function of the present invention；
Fig. 2 is the structure of the jet mechanism of the safe and reliable face recognition device with In vivo detection function of the present invention
Schematic diagram；
Fig. 3 is the structure of the jet assembly of the safe and reliable face recognition device with In vivo detection function of the present invention
Schematic diagram；
Fig. 4 is the structure of the translation mechanism of the safe and reliable face recognition device with In vivo detection function of the present invention
Schematic diagram；
In figure：1. pedestal, 2. pedals, 3. stabilizer blades, 4. identifiers, 5. top plates, 6. display screens, 7. cameras, 8. sunpenders, 9.
Translation plates, 10. nozzles, 11. first motors, 12. eccentric wheels, 13. springs, 14. tuning bars, 15. second motors, 16. connecting rods,
17. jet box, 18. air jet pipes, 19. air inlet pipe, 20. airscoop shrouds, 21. mobile bars, 22. movable blocks, 23. fixed blocks, 24. gas
Pump, 25. cylinders, 26. pistons, 27. third motors, 28. third drive shafts, 29. flabellums, 30. the 4th motors, 31. the 4th drivings
Axis, 32. casings, 33. speed governing blocks, 34. fixed rings, 35. side levers, 36. range sensors, 37. strainers, 38. ultrasonic range finders,
39. pressure sensor, 40. expansion brackets, 41. hinged blocks, 42. connecting rods.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of safe and reliable face recognition device with In vivo detection function, including pedestal 1, pedal
2, stabilizer blade 3, identifier 4, top plate 5, translation mechanism and Liang Ge jets mechanism, the pedal 2 is fixed on the top of pedestal 1, described
Identifier 4 is fixed on the top of pedestal 1 by stabilizer blade 3, and the top plate 5 is fixed on the top of identifier 4, and the translation mechanism is set
It sets in the top of top plate 5, Liang Ge jets mechanism is separately positioned on the both sides of identifier 4, and PLC is equipped in the identifier 4, described
Identifier 4 is equipped with display screen 6 and camera 7, and the display screen 6 and camera 7 are electrically connected with PLC；
In the face recognition device, support identifier 4 is fixed by stabilizer blade 3, in equipment in use, personnel to be detected station exists
On pedal 2, to the distance between fixed personnel to be detected and identifier 4, the PLC control cameras 7 in identifier 4 are run,
Facial image is shot, and shows facial image over the display, while the characteristic of device analysis facial image, is compared
The identity of personnel to be detected is confirmed after analysis, personnel to be detected pretend to be face using photo, video etc. in order to prevent, by imaging
After first 7 shooting image, the movement of jet mechanism, PLC is driven to control the operation of jet mechanism, towards eye jet, and lead to by translation mechanism
It crosses camera 7 to be monitored, if personnel to be detected, then can then be sent out when the eyes of personnel to be detected encounter the air of ejection
The action of raw blink, and when personnel to be detected pretend to be face using objects such as photo, video, models, then it is dynamic that blink will not occur
Make, to confirm whether on pedal 2 be personnel to be detected.
As shown in Fig. 2, the jet mechanism includes sunpender 8, translation plates 9, jet assembly, tuning component and nozzle 10, institute
The top for stating sunpender 8 is connect with translation mechanism, and the translation plates 9 are fixed on the bottom end of sunpender 8, the jet assembly and tuning group
Part is arranged in translation plates 9, and the tuning component is sequentially connected with nozzle 10；
The tuning component includes first motor 11, eccentric wheel 12, spring 13, tuning bar 14, the second motor 15 and connection
The top of bar 16, the tuning bar 14 is hinged with translation plates 9, and second motor 15 is fixed on the bottom end of tuning bar 14, described
For second motor 15 by being sequentially connected with one end of connecting rod 16, the nozzle 10 is fixed on the other end of connecting rod 16, described
First motor 11 is fixed in translation plates 9, and the first motor 11 and spring 13 are respectively positioned on the close jet assembly of tuning bar 14
Side, the first motor 11 and eccentric wheel 12 be sequentially connected, and the spring 13 is located at the lower section of eccentric wheel 12, the spring
13 one end is connect with tuning bar 14, and the other end of the spring 13 is connect with jet assembly, and the spring 13, which is in, stretches shape
State, the first motor 11 and the second motor 15 are electrically connected with PLC；
In jet mechanism, so that translation plates 9 is connect with translation mechanism using sunpender 8, translation machine can be driven by translation mechanism
Jet assembly on structure and the movement of tuning component, the air of flowing is provided from jet assembly to nozzle 10, nozzle 10 is made to spray sky
Gas, and tuning component can flexible modulation nozzle 10 direction, in tuning component, first motor 11 and the second motor are controlled by PLC
15 operations, first motor 11 are rotated with movable eccentric wheel 12, since spring 13 is in tensional state, tuning bar 14 are made to be resisted against bias
On wheel 12, therefore, eccentric wheel 12 rotates, and tuning bar 14 is driven to rotate, and the second motor 15 can drive nozzle by connecting rod 16
10 rotations make nozzle 10 be directed at eye and blow, moreover, the direction of connecting rod 16 adjusted by the second motor 15, can be with
The camera 7 that nozzle 10 is aligned on identifier 4 is set to blow away the ash of the absorption of the lens surface of camera 7 by the air of ejection
Dirt blows away dust compared to existing cleaning mode using air, will not only wear the eyeglass on camera 7, while also keeping away
The electrostatic generated by friction is exempted from, to realize the cleaning more reliable to camera 7.
As shown in figure 3, the jet assembly includes jet box 17, air jet pipe 18, air inlet pipe 19 and airscoop shroud 20, the spray
Gas box 17 is fixed in translation plates 9, and the jet box 17 is connect with spring 13, one end and the jet box 17 of the air jet pipe 18
Bottom end is connected to, and the other end of the air jet pipe 18 is connected to nozzle 10, the top of one end and jet box 17 of the air inlet pipe 19
Connection, the airscoop shroud 20 are connected to the other end of air inlet pipe 19, and air injection unit and speed adjustment unit are equipped in the jet box 17,
The air injection unit is located at the top of speed adjustment unit.
The air injection unit operation painted in box, generates endlessly air-flow, and air-flow enters nozzle 10 by air jet pipe 18,
It is then sprayed from nozzle 10, then external air passes sequentially through airscoop shroud 20 and air inlet pipe 19 enters in jet box 17, logical
It crosses air injection unit and passes air through air jet pipe 18 from the ejection of nozzle 10, while air flows, utilize speed adjustment unit to adjust empty
The flow velocity of gas can accelerate the outflow of air when needing to clean camera 7, to reinforce cleaning action.
As shown in figure 4, the translation mechanism includes drive component, mobile bar 21 and two telescopic components, two flexible group
Part is separately positioned on the both sides of drive component, and the telescopic component includes movable block 22, fixed block 23, expansion bracket 40, hinged block
41 and two connecting rods 42, the driving component is sequentially connected with movable block 22, and the fixed block 23 is fixed on the top of top plate 5,
The fixed block 23 is located at the side of the separate drive component of movable block 22, the both sides of one end of the expansion bracket 40 respectively with it is solid
Determine block 23 and movable block 22 is hinged, the both sides of the other end of the expansion bracket 40 are cut with scissors by two connecting rods 42 and hinged block 41 respectively
It connects, the hinged block 41 is fixedly connected with mobile bar 21, and the mobile bar 21 is fixedly connected with the top of sunpender 8.
It in translation mechanism, is moved by the movable block 22 of drive component synchronous drive both sides, changes movable block 22 and fixed block
The distance between 23, to make the form of expansion bracket 40 change, changes the angle of two connecting rods 42, made by hinged block 41
Mobile bar 21 moves, and then the sunpender 8 of 21 lower section of mobile bar and translation plates 9 is driven to move.
As shown in figure 4, the driving component includes air pump 24, cylinder 25 and two pistons 26, the air pump 24 and cylinder
25 are each attached to the top of top plate 5, and the air pump 24 is connected to cylinder 25, and the piston 26 is corresponded with telescopic component, institute
The one end for stating piston 26 is arranged in cylinder 25, and the other end of the piston 26 is fixedly connected with movable block 22, the air pump 24
It is electrically connected with PLC.
PLC controls the air pump 24 in drive component and runs, and changes the air pressure in cylinder 25, when the air pressure in cylinder 25 increases
When, two pistons 26 are located remotely from each other, and make the movable block 22 in telescopic component close to fixed block 23, to make expansion bracket 40 extend,
Drive mobile bar 21 can blow far from identifier 4, at this time nozzle 10 close to face in turn, realize In vivo detection, and work as gas
When air pressure in cylinder 25 reduces, external atmospheric pressure pushes two pistons 26 to moving inside cylinder 25, reduces two pistons 26
Distance, make the distance between movable block 22 and fixed block 23 in telescopic component increase, make expansion bracket 40 shorten, drive movement
Bar 21 can be cleaned against camera 7 by spraying high-speed air close to identifier 4, at this time nozzle 10.
As shown in figure 3, the air injection unit includes third motor 27, third drive shaft 28 and two flabellums 29, described
Three motors 27 are fixed on the inner wall of jet box 17, and the third motor 27 and the top of third drive shaft 28 are sequentially connected, and two
A flabellum 29 is separately positioned on the both sides of third drive shaft 28, and the third motor 27 is electrically connected with PLC.
PLC controls third motor 27 and runs, and drives third drive shaft 28 to rotate, makes the flabellum of the both sides of third drive shaft 28
29 keep the state of rotation, to generate endlessly air-flow, cause air flow through air jet pipe 18 and are sprayed from nozzle 10.
As shown in figure 3, the speed adjustment unit includes the 4th motor 30, the 4th drive shaft 31, casing 32 and speed governing block 33, institute
It states the 4th motor 30 to be fixed on the inner wall of jet box 17, the top transmission of the 4th motor 30 and the 4th drive shaft 31 connects
It connects, the bottom end of the 4th drive shaft 31 is arranged in casing 32, and the periphery of the 4th drive shaft 31 is equipped with external screw thread, described
Internal thread is equipped in casing 32, the internal thread in described sleeve pipe 32 matches with the external screw thread in the 4th drive shaft 31, the tune
The shape of fast block 33 is cone, and the bottom surface of the speed governing block 33 is fixed on the bottom end of casing 32, the 4th motor 30 and PLC
Electrical connection.
When needing to adjust from the air velocity that nozzle 10 sprays, PLC controls the operation of the 4th motor 30, drives the 4th driving
Axis 31 rotates, and the external screw thread in the 4th drive shaft 31 is made to act on the internal thread in casing 32, to which drive sleeve 32 is along the
The axis direction of four drive shafts 31 moves, and then speed governing block 33 is driven to move, and changes the opposite position of speed governing block 33 and air jet pipe 18
Set, when speed governing block 33 to air jet pipe 18 close to when, the gap shrinks in air jet pipe 18, since air mass flow remains unchanged, to
The air velocity in air jet pipe 18 is set to increase, conversely, after speed governing block 33 is far from air jet pipe 18, due to the gap in air jet pipe 18
Increase, to make the air velocity in air jet pipe 18 reduce.
Preferably, in order to ensure that the steady movement of casing 32, the speed adjustment unit further include fixed ring 34, the fixation
Ring 34 is fixed on the inner wall of jet box 17, and the fixed ring 34 is set on casing 32.Casing is secured using fixed ring 34
32 moving direction makes the movement of 32 held stationary of casing.
Preferably, in order to detect the displacement distance of casing 32, the side of described sleeve pipe 32 is equipped with side lever 35 and apart from biography
Sensor 36, the range sensor 36 are fixedly connected by side lever 35 with casing 32, and the range sensor 36 and PLC is electrically connected
It connects.Using the relative position of 35 fixed sleeving 32 and range sensor 36 of side lever, the monitoring of range sensor 36 in jet box 17
The distance between bottom, and range information is fed back into PLC, PLC is made to confirm the air velocity currently sprayed from nozzle 10, away from
From smaller, bottom of the casing 32 in jet box 17 is indicated, speed governing block 33 enters in air jet pipe 18 at this time, makes air jet pipe 18
Interior air velocity increases, otherwise distance is bigger, then it represents that the air velocity in air jet pipe 18 is smaller.
Preferably, external dust enters in jet box 17 in order to prevent, strainer 37 is equipped in the airscoop shroud 20, it is described
Airscoop shroud 20 is down-set.When can prevent extraneous air from entering in jet box 17 by air inlet pipe 19 using strainer 37, in air
The dust of carrying enters in jet box 17, and to ensure that the cleaning of the air sprayed from nozzle 10, while airscoop shroud 20 is downward
Setting, falls convenient for the dust on strainer 37.
Preferably, in order to check whether the front of personnel to be detected blocks, ultrasonic wave is additionally provided on the identifier 4
Rangefinder 38, the ultrasonic range finder 38 are electrically connected with PLC.Since personnel to be detected station carries out recognition of face on pedal 2
Detection, therefore the distance between identifier 4 and personnel to be detected are fixed.Emit ultrasonic signal using ultrasonic range finder 38,
Ultrasonic signal returns after encountering barrier, and by the propagation time of ultrasonic wave, ultrasonic range finder 38 can detect main body and barrier
Hinder the distance between object, ultrasonic range finder 38 is by the fixed range between the range information and identifier 4 and personnel to be detected
It is compared, when the distance that ultrasonic range finder 38 is fed back is less than the fixed range between identifier 4 and personnel to be detected, table
Show between personnel to be detected has shelter between main body, and device analysis goes out to be detected pretends to be face possibly also with objects such as photos
Identification.
Preferably, in order to confirm the people that whether stands on pedal 2, pressure sensor 39, the pressure are equipped in the pedal 2
Sensor 39 is electrically connected with PLC.When someone station is on pedal 2, the pressure sensor 39 in pedal 2 detects pressure data,
The pressure data is passed to PLC by pressure sensor 39, and to make PLC confirm someone on pedal 2, PLC controls camera 7 at this time
It acquires image and carries out recognition of face, and control the jet mechanism operation of the both sides of identifier 4, carry out living body authentication.
The face identification device shoots image in carrying out face recognition process, using camera 7, determines eye locations
Afterwards, it drives the telescopic component of both sides to run by drive component, mobile bar 21 is made to drive translation bar to people to be detected by sunpender 8
Member is close, and the direction of nozzle 10 is then adjusted by tuning component, and nozzle 10 is made to be directed at human eye, defeated to nozzle 10 by jet assembly
Air is sent, nozzle 10 is made to spray air, is monitored whether that blink action occurs by camera 7, to realize the work(of In vivo detection
Can, moreover, nozzle 10 can also be made to be directed at camera 7 by tuning component, accelerate to spray from nozzle 10 using speed adjustment unit
Air velocity, make nozzle 10 spray high-speed air, blow away the dust adsorbed on camera 7, ensure that the cleaning of camera 7,
Accurate recognition of face is carried out convenient for equipment.
Compared with prior art, the safe and reliable face recognition device of In vivo detection function should is carrying out face knowledge
When other, the angle of nozzle 10 is adjusted by the tuning component in jet mechanism, so that nozzle 10 is directed at human eye and is sprayed air, by taking the photograph
As first 7 detect whether to blink, to realize the function of In vivo detection, moreover, keep nozzle 10 right using tuning component
Quasi- camera 7, and air velocity is accelerated by speed adjustment unit, so that nozzle 10 is sprayed high-speed air, camera 7 is cleaned, just
Accurate recognition of face is carried out in equipment, compared with existing jet mechanism, which can not only flexible modulation nozzle
The air velocity that 10 direction and nozzle 10 spray, while ensure that using strainer 37 cleaning of the air of ejection, avoid dust
It damages human eye and makes camera 7 dirty, to improve the practicability of equipment.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (10)
1. a kind of safe and reliable face recognition device with In vivo detection function, which is characterized in that including pedestal (1), step on
Plate (2), stabilizer blade (3), identifier (4), top plate (5), translation mechanism and Liang Ge jets mechanism, the pedal (2) are fixed on pedestal
(1) top, the identifier (4) are fixed on the top of pedestal (1) by stabilizer blade (3), and the top plate (5) is fixed on identifier
(4) top, the translation mechanism are arranged in the top of top plate (5), and Liang Ge jets mechanism is separately positioned on the two of identifier (4)
Side, the identifier (4) is interior to be equipped with PLC, and the identifier (4) is equipped with display screen (6) and camera (7), the display screen
(6) it is electrically connected with PLC with camera (7)；
The jet mechanism includes sunpender (8), translation plates (9), jet assembly, tuning component and nozzle (10), the sunpender (8)
Top connect with translation mechanism, the translation plates (9) are fixed on the bottom end of sunpender (8), the jet assembly and tuning component
It is arranged in translation plates (9), the tuning component is sequentially connected with nozzle (10)；
The tuning component includes first motor (11), eccentric wheel (12), spring (13), tuning bar (14), the second motor (15)
Hinged with translation plates (9) with the top of connecting rod (16), the tuning bar (14), second motor (15) is fixed on tuning bar
(14) bottom end, by being sequentially connected with one end of connecting rod (16), the nozzle (10) is fixed on second motor (15)
The other end of connecting rod (16), the first motor (11) are fixed in translation plates (9), the first motor (11) and spring
(13) it is respectively positioned on the side of the close jet assembly of tuning bar (14), the first motor (11) connects with eccentric wheel (12) transmission
It connects, the spring (13) is located at the lower section of eccentric wheel (12), and one end of the spring (13) is connect with tuning bar (14), the bullet
The other end of spring (13) is connect with jet assembly, and the spring (13) is in tensional state, the first motor (11) and second
Motor (15) is electrically connected with PLC；
The jet assembly includes jet box (17), air jet pipe (18), air inlet pipe (19) and airscoop shroud (20), the jet box
(17) it is fixed in translation plates (9), the jet box (17) connect with spring (13), one end of the air jet pipe (18) and jet
The bottom end of box (17) is connected to, and the other end of the air jet pipe (18) is connected to nozzle (10), one end of the air inlet pipe (19) and
The top of jet box (17) is connected to, and the airscoop shroud (20) is connected to the other end of air inlet pipe (19), in the jet box (17)
Equipped with air injection unit and speed adjustment unit, the air injection unit is located at the top of speed adjustment unit.
2. the safe and reliable face recognition device with In vivo detection function as described in claim 1, which is characterized in that institute
It includes drive component, mobile bar (21) and two telescopic components to state translation mechanism, and two telescopic components are separately positioned on driving group
The both sides of part, the telescopic component include movable block (22), fixed block (23), expansion bracket (40), hinged block (41) and two companies
Bar (42), the driving component are sequentially connected with movable block (22), and the fixed block (23) is fixed on the top of top plate (5), institute
State the side that fixed block (23) is located at the separate drive component of movable block (22), the both sides difference of one end of the expansion bracket (40)
Hinged with fixed block (23) and movable block (22), the both sides of the other end of the expansion bracket (40) pass through two connecting rods (42) respectively
Hinged with hinged block (41), the hinged block (41) is fixedly connected with mobile bar (21), the mobile bar (21) and sunpender (8)
Top is fixedly connected.
3. the safe and reliable face recognition device with In vivo detection function as claimed in claim 2, which is characterized in that institute
It includes air pump (24), cylinder (25) and two pistons (26) to state drive component, and the air pump (24) and cylinder (25) are each attached to
The top of top plate (5), the air pump (24) are connected to cylinder (25), and the piston (26) corresponds with telescopic component, described
In cylinder (25), the other end of the piston (26) is fixedly connected with movable block (22), described for one end setting of piston (26)
Air pump (24) is electrically connected with PLC.
4. the safe and reliable face recognition device with In vivo detection function as described in claim 1, which is characterized in that institute
It includes third motor (27), third drive shaft (28) and two flabellums (29) to state air injection unit, and the third motor (27) is fixed
On the inner wall of jet box (17), the third motor (27) and the top of third drive shaft (28) are sequentially connected, two flabellums
(29) both sides of third drive shaft (28) are separately positioned on, the third motor (27) is electrically connected with PLC.
5. the safe and reliable face recognition device with In vivo detection function as described in claim 1, which is characterized in that institute
It includes the 4th motor (30), the 4th drive shaft (31), casing (32) and speed governing block (33), the 4th motor to state speed adjustment unit
(30) it being fixed on the inner wall of jet box (17), the 4th motor (30) and the top of the 4th drive shaft (31) are sequentially connected,
In casing (32), the periphery of the 4th drive shaft (31) is equipped with external screw thread for the bottom end setting of 4th drive shaft (31),
Internal thread, the internal thread in described sleeve pipe (32) and the external screw thread phase in the 4th drive shaft (31) are equipped in described sleeve pipe (32)
Match, the shape of the speed governing block (33) is cone, and the bottom surface of the speed governing block (33) is fixed on the bottom end of casing (32), described
4th motor (30) is electrically connected with PLC.
6. the safe and reliable face recognition device with In vivo detection function as claimed in claim 5, which is characterized in that institute
It further includes fixed ring (34) to state speed adjustment unit, and the fixed ring (34) is fixed on the inner wall of jet box (17), the fixed ring
(34) it is set on casing (32).
7. the safe and reliable face recognition device with In vivo detection function as claimed in claim 5, which is characterized in that institute
The side for stating casing (32) is equipped with side lever (35) and range sensor (36), the range sensor (36) by side lever (35) and
Casing (32) is fixedly connected, and the range sensor (36) is electrically connected with PLC.
8. the safe and reliable face recognition device with In vivo detection function as described in claim 1, which is characterized in that institute
It states and is equipped with strainer (37) in airscoop shroud (20), the airscoop shroud (20) is down-set.
9. the safe and reliable face recognition device with In vivo detection function as described in claim 1, which is characterized in that institute
It states and is additionally provided with ultrasonic range finder (38) on identifier (4), the ultrasonic range finder (38) is electrically connected with PLC.
10. the safe and reliable face recognition device with In vivo detection function as described in claim 1, which is characterized in that
Pressure sensor (39) is equipped in the pedal (2), the pressure sensor (39) is electrically connected with PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044797.3A CN108363955A (en) | 2018-01-17 | 2018-01-17 | A kind of safe and reliable face recognition device with In vivo detection function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810044797.3A CN108363955A (en) | 2018-01-17 | 2018-01-17 | A kind of safe and reliable face recognition device with In vivo detection function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108363955A true CN108363955A (en) | 2018-08-03 |
Family
ID=63006302
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810044797.3A Withdrawn CN108363955A (en) | 2018-01-17 | 2018-01-17 | A kind of safe and reliable face recognition device with In vivo detection function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108363955A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218672A (en) * | 2018-09-19 | 2019-01-15 | 深圳市晓控通信科技有限公司 | A kind of intelligent monitoring and controlling device based on block chain technology |
| CN110995972A (en) * | 2019-12-03 | 2020-04-10 | 深圳市玖品空气净化科技有限公司 | Damping type supervisory equipment who has dust removal function based on block chain |
| CN112413291A (en) * | 2020-10-21 | 2021-02-26 | 方微微 | Face identification is with intelligent manufacture equipment who improves recognition rate |
| CN112804429A (en) * | 2021-01-07 | 2021-05-14 | 中国民用航空飞行学院 | Airport barrier screening device |
-
2018
- 2018-01-17 CN CN201810044797.3A patent/CN108363955A/en not_active Withdrawn
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218672A (en) * | 2018-09-19 | 2019-01-15 | 深圳市晓控通信科技有限公司 | A kind of intelligent monitoring and controlling device based on block chain technology |
| CN110995972A (en) * | 2019-12-03 | 2020-04-10 | 深圳市玖品空气净化科技有限公司 | Damping type supervisory equipment who has dust removal function based on block chain |
| CN110995972B (en) * | 2019-12-03 | 2021-04-09 | 深圳市玖品空气净化科技有限公司 | Damping type supervisory equipment who has dust removal function based on block chain |
| CN112413291A (en) * | 2020-10-21 | 2021-02-26 | 方微微 | Face identification is with intelligent manufacture equipment who improves recognition rate |
| CN112413291B (en) * | 2020-10-21 | 2022-08-12 | 珠海耀阳电子科技有限公司 | Face identification is with intelligent manufacture equipment who improves recognition rate |
| CN112804429A (en) * | 2021-01-07 | 2021-05-14 | 中国民用航空飞行学院 | Airport barrier screening device |
| CN112804429B (en) * | 2021-01-07 | 2022-06-03 | 中国民用航空飞行学院 | Airport barrier screening device |
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