CN107918769A - It is a kind of that there is the safe and reliable fingerprint identification device of living body authentication - Google Patents
It is a kind of that there is the safe and reliable fingerprint identification device of living body authentication Download PDFInfo
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- CN107918769A CN107918769A CN201711230146.5A CN201711230146A CN107918769A CN 107918769 A CN107918769 A CN 107918769A CN 201711230146 A CN201711230146 A CN 201711230146A CN 107918769 A CN107918769 A CN 107918769A
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- living body
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- identification device
- fingerprint identification
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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
- G06V40/12—Fingerprints or palmprints
- G06V40/1382—Detecting the live character of the finger, i.e. distinguishing from a fake or cadaver finger
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Abstract
There is the safe and reliable fingerprint identification device of living body authentication the present invention relates to a kind of, including main body, console and identification platform, further include biometric identification apparatus, biometric identification apparatus includes testing agency and fixed mechanism, this has the function of the safe and reliable fingerprint identification device of living body authentication, before personal recognition is carried out to user, living body authentication can be carried out to user by biometric identification apparatus, the verification for avoiding some palmmprints without vital sign forged from passing through equipment, so as to improve the safety and reliability of fingerprint identification device, compared to existing biometric identification apparatus, can be after live body be confirmed, palm is fixed on identification platform at once, criminal is avoided to pass through the rear situation for replacing the palmmprint forged in living body authentication, so as to further enhancing the safety and reliability of equipment.
Description
Technical field
It is more particularly to a kind of that there is the safe and reliable palm of living body authentication the present invention relates to biometric apparatus field
Line identification equipment.
Background technology
Personal recognition is a kind of newer biometrics identification technology proposed in recent years.Palmmprint refers to that finger tips are in one's hands
The palm image of wrist point.Wherein many features can be used for carrying out identification：Such as main line, wrinkle, tiny texture, ridge end
The tip, bifurcation etc..Personal recognition is also a kind of non-offensive recognition methods, and user is easier to receive, will to collecting device
Ask not high.Fingerprint identification device is then used exclusively for carrying out a kind of machine of personal recognition.
However, existing fingerprint identification device still suffers from some loopholes in use, since palm print characteristics are exposed to
Outside, it is easier to be illegally accessed and forge, some criminals can be after other people palmmprint be obtained, and overmolded is into gypsum or silica gel hand
The palm, carries out personal recognition, and existing fingerprint identification device does not have living body authentication function mostly so that these palmmprints forged
The verification of equipment can be easily passed through, so as to reduce the safety and reliability of fingerprint identification device.
The content of the invention
The technical problem to be solved in the present invention is：There is living body authentication in order to overcome the deficiencies of the prior art and provide one kind
The safe and reliable fingerprint identification device of function.
The technical solution adopted by the present invention to solve the technical problems is：It is a kind of that there is the safe and reliable of living body authentication
Fingerprint identification device, including main body, console and identification platform, the console and identification platform be arranged on the same side of main body,
The console further includes biometric identification apparatus, the biometric identification apparatus is arranged on identification platform positioned at the top of identification platform
It is internal；
The biometric identification apparatus includes testing agency and fixed mechanism, and the testing agency is arranged in identification platform
Portion, the fixed mechanism have two, and two fixed mechanisms are separately positioned on the both ends of identification platform, and two fixed mechanisms are located at respectively
The both sides of testing agency, two fixed mechanisms are symmetrical arranged on testing agency；
The testing agency includes support plate, fixed block, sliding shoe, expansion bracket, hinged block, detection plate, pulse transducer
And cylinder, the support plate are horizontally disposed with, the fixed plate and sliding shoe are arranged at the top of support plate, the fixed block with
Support plate is fixedly connected, and the sliding shoe is slidably connected with support plate, and the expansion bracket is vertically arranged, the bottom of the expansion bracket
Both ends be hinged respectively with fixed block and sliding shoe, the hinged block has two, the both ends at the top of the expansion bracket respectively with
Two hinged blocks are hinged, and the detection plate is horizontally set on the top of hinged block, and two hinged blocks are slidably connected with detection plate,
The pulse transducer is arranged on the top of detection plate, and the pulse transducer is arranged on one end of detection plate, the cylinder water
The flat top for being arranged on support plate, the gas bar of the cylinder are connected with sliding shoe, and the top surface of the identification platform is equipped with opening, described
Detection plate is located at the lower section of opening, and the pulse transducer is between opening and detection plate；
The fixed mechanism includes drive component and fixation kit, and the fixation kit is arranged on the side of drive component,
The driving component is sequentially connected with fixation kit；
The driving component includes the first motor, driving wheel, drive rod, drive block, connecting rod and pilot unit, and described first
Motor is sequentially connected with driving wheel, and the drive block is located in pilot unit, and the drive block is slidably connected with pilot unit, institute
The one end and driving wheel for stating drive rod are hinged, and the other end and the drive block of the drive rod are hinged, the drive rod and driving wheel
Hinged place be located at driving wheel the center of circle side, the driving wheel by drive rod drive drive block move horizontally, the company
Bar is horizontally set on the side of drive block；
The fixation kit includes fixed link and retainer ring, and the fixed link is vertically provided at the remote drive block of connecting rod
One end, the bottom of the fixed link are connected with connecting rod, and identification platform is stretched out in the top of the fixed link through opening, and the retainer ring is
Semi-circular shape, the retainer ring is vertically arranged, and the outer ring of the retainer ring is connected with fixed link, and two retainer rings are respectively positioned on two
Between fixed link, the inner ring face of two retainer rings is set；
The outside of the main body is equipped with alarm, is equipped with PLC in the console, the pulse transducer, the first motor,
Alarm is electrically connected with PLC.
Preferably, in order to strengthen detection result, the lower section of the support plate is equipped with adjusting mechanism, the adjusting mechanism bag
The second motor, screw, sliding bar and sliding block are included, the screw is horizontally disposed with, and the screw is vertical with the gas bar of cylinder, and described
Two motors are connected with screw rod transmission, and the sliding bar is parallel with screw, and the sliding bar is slided through sliding block and sliding bar with sliding block
Dynamic connection, the sliding block are equipped with threaded hole, and the screw passes through sliding block through threaded hole, and the screw is threadedly coupled with sliding block,
The support plate is horizontally set on the top of sliding block.
Preferably, in order to improve accuracy of detection, spring and pressure plare are equipped between the detection plate and pulse transducer,
The pressure plare is horizontally disposed with, and the spring is vertically arranged, and the bottom of the spring and the top surface of detection plate connect, the spring
Top and the bottom surface of pressure plare connect, the pulse transducer is arranged on the top surface of pressure plare.
Preferably, in order to further improve accuracy of detection, the spring has several, and each spring is uniformly arranged on detection
Between plate and pressure plare.
Preferably, in order to protect spring, be arranged with bellows on the spring, the both ends of the bellows respectively with inspection
Drafting board is connected with pressure plare.
Preferably, in order to realize automatic detection, the identification platform is equipped with infrared ray sensor, the infrared ray sensing
Device and cylinder are electrically connected with PLC.
Preferably, in order to improve the stability of sliding block slip, the sliding bar has two, and two sliding bars are on screw
It is symmetrical arranged.
Preferably, in order to improve the slip precision of drive block and the stability of sliding process, the pilot unit includes
Two guide rods being parallel to each other, the drive block between two guide rods, the drive block respectively with two guide rods
It is slidably connected.
Preferably, in order to avoid crushing wrist, the retainer ring is equipped with pressure sensor, the pressure sensor with
PLC is electrically connected.
Preferably, in order to improve the comfort level of clamping, the inner ring of the retainer ring is equipped with silicagel pad.
The invention has the advantages that should have the function of the safe and reliable fingerprint identification device of living body authentication, to
Family carry out personal recognition before, can by biometric identification apparatus to user carry out living body authentication, avoid some forge without life
The palmmprint of sign is ordered by the verification of equipment, so that the safety and reliability of fingerprint identification device is improved, compared to existing
Biometric identification apparatus, can after live body is confirmed, at once by palm be fixed on identification platform on, avoid criminal from recognizing in live body
Card replaces the palmmprint of forgery after passing through, so as to further enhancing the safety and reliability of equipment.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is a kind of structural representation with the safe and reliable fingerprint identification device of living body authentication of the present invention
Figure.
Fig. 2 is a kind of identification platform with the safe and reliable fingerprint identification device of living body authentication and the work of the present invention
Realize the attachment structure schematic diagram of card device.
Fig. 3 is a kind of testing agency with the safe and reliable fingerprint identification device of living body authentication of the present invention
Structure diagram.
Fig. 4 is a kind of fixed mechanism with the safe and reliable fingerprint identification device of living body authentication of the present invention
Structure diagram.
Fig. 5 is a kind of adjusting mechanism with the safe and reliable fingerprint identification device of living body authentication of the present invention
Structure diagram.
In figure：1. main body, 2. consoles, 3. identification platforms, 4. support plates, 5. fixed blocks, 6. sliding shoes, 7. expansion brackets, 8.
Hinged block, 9. detection plates, 10. pulse transducers, 11. cylinders, 12. first motors, 13. driving wheels, 14. drive rods, 15. drivings
Block, 16. connecting rods, 17. fixed links, 18. retainer rings, 19. alarms, 20. second motors, 21. screws, 22. sliding bars, 23. slide
Block, 24. springs, 25. pressure plares, 26. guide rods.
Embodiment
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 composition related to the present invention.
As shown in Figure 1, a kind of have the function of the safe and reliable fingerprint identification device of living body authentication, including main body 1, middle control
Platform 2 and identification platform 3, the console 2 and identification platform 3 are arranged on the same side of main body 1, and the console 2 is positioned at identification platform 3
Top, further includes biometric identification apparatus, and the biometric identification apparatus is arranged on the inside of identification platform 3；
Before personal recognition is carried out to user, living body authentication can be carried out to user by biometric identification apparatus, avoid one
The palmmprint without vital sign forged a bit is by the verification of equipment, so as to improve the security of fingerprint identification device and reliable
Property, compared to existing biometric identification apparatus, palm can be fixed on identification platform 3 at once after live body is confirmed, avoided not
Method molecule replaces the palmmprint forged in living body authentication by rear, so as to further enhancing the safety and reliability of equipment.
As shown in Fig. 2, the biometric identification apparatus includes testing agency and fixed mechanism, the testing agency is arranged on knowledge
The middle part of other 3, the fixed mechanism have two, and two fixed mechanisms are separately positioned on the both ends of identification platform 3, two fixed machines
Structure is located at the both sides of testing agency respectively, and two fixed mechanisms are symmetrical arranged on testing agency；
As shown in figure 3, the testing agency includes support plate 4, fixed block 5, sliding shoe 6, expansion bracket 7, hinged block 8, inspection
Drafting board 9, pulse transducer 10 and cylinder 11, the support plate 4 is horizontally disposed, and the fixed plate and sliding shoe 6 are arranged at branch
The top of fagging 4, the fixed block 5 are fixedly connected with support plate 4, and the sliding shoe 6 is slidably connected with support plate 4, described to stretch
Contracting frame 7 is vertically arranged, and the both ends of the bottom of the expansion bracket 7 are hinged with fixed block 5 and sliding shoe 6 respectively, and the hinged block 8 has
Two, the both ends at the top of the expansion bracket 7 are hinged with two hinged blocks 8 respectively, and the detection plate 9 is horizontally set on hinged block
8 top, two hinged blocks 8 are slidably connected with detection plate 9, and the pulse transducer 10 is arranged on the top of detection plate 9, institute
One end that pulse transducer 10 is arranged on detection plate 9 is stated, the cylinder 11 is horizontally set on the top of support plate 4, the cylinder
11 gas bar is connected with sliding shoe 6, and the top surface of the identification platform 3 is equipped with opening, and the detection plate 9 is located at the lower section of opening, institute
Pulse transducer 10 is stated between opening and detection plate 9；
Cylinder 11 drives sliding shoe 6 to be moved to fixed block 5 so that expansion bracket 7 extends, and expansion bracket 7 is driven by hinged block 8
Detection plate 9 moves up so that and detection plate 9 drives pulse transducer 10 to move up, until pulse transducer 10 is close to wrist,
Start to detect.
As shown in figure 4, the fixed mechanism includes drive component and fixation kit, the fixation kit is arranged on driving group
The side of part, the driving component are sequentially connected with fixation kit；
The driving component includes the first motor 12, driving wheel 13, drive rod 14, drive block 15, connecting rod 16 and is oriented to single
Member, first motor 12 are sequentially connected with driving wheel 13, and the drive block 15 is located in pilot unit, the drive block 15 with
Pilot unit is slidably connected, and one end of the drive rod 14 and driving wheel 13 are hinged, the other end of the drive rod 14 and driving
Block 15 is hinged, and the hinged place of the drive rod 14 and driving wheel 13 is located at the side in the center of circle of driving wheel 13, the driving wheel 13
Drive block 15 is driven to move horizontally by drive rod 14, the connecting rod 16 is horizontally set on the side of drive block 15；
The fixation kit includes fixed link 17 and retainer ring 18, and the fixed link 17 is vertically provided at the remote of connecting rod 16
One end of drive block 15, the bottom of the fixed link 17 are connected with connecting rod 16, and the top of the fixed link 17 is stretched out through opening knows
Other 3, the retainer ring 18 is semi-circular shape, and the retainer ring 18 is vertically arranged, the outer ring of the retainer ring 18 and fixed link
17 connections, two retainer rings 18 are respectively positioned between two fixed links 17, and the inner ring face of two retainer rings 18 is set；
First motor 12 driving driving wheel 13 rotates, and driving wheel 13 drives drive block 15 to move horizontally by drive rod 14,
So that connecting rod 16 drives retainer ring 18 to move horizontally by fixed link 17, and then make two retainer rings 18 close to each other, by wrist
Grip.
The outside of the main body 1 is equipped with alarm 19, is equipped with PLC in the console 2, the pulse transducer 10, the
One motor 12, alarm 19 are electrically connected with PLC.
As shown in figure 5, the lower section of the support plate 4 is equipped with adjusting mechanism, the adjusting mechanism includes the second motor 20, silk
Bar 21, sliding bar 22 and sliding block 23, the screw 21 are horizontally disposed, and the screw 21 is vertical with the gas bar of cylinder 11, and described the
Two motors 20 are sequentially connected with screw 21, and the sliding bar 22 is parallel with screw 21, and the sliding bar 22 is through sliding block 23 and slides
Lever 22 is slidably connected with sliding block 23, and the sliding block 23 is equipped with threaded hole, and the screw 21 passes through sliding block 23, institute through threaded hole
State screw 21 to be threadedly coupled with sliding block 23, the support plate 4 is horizontally set on the top of sliding block 23, the second motor 20 driving screw
21 rotate, since sliding bar 22 limits the rotation of sliding block 23 so that sliding block 23 is moved horizontally along screw 21, so that pulse
Sensor 10 moves back and forth while close to wrist, is detected with finding the position of pulse intensity maximum, enhancing detection effect
Fruit.
Preferably, in order to improve accuracy of detection, spring 24 and pressure are equipped between the detection plate 9 and pulse transducer 10
Power plate 25, the pressure plare 25 is horizontally disposed, and the spring 24 is vertically arranged, the bottom of the spring 24 and the top of detection plate 9
Face connects, and the top of the spring 24 is connected with the bottom surface of pressure plare 25, and the pulse transducer 10 is arranged on pressure plare 25
On top surface, pressure plare 25 can drive pulse transducer 10 to be close to wrist detection all the time under the action of 24 elastic force of spring, so that
Improve accuracy of detection.
Preferably, in order to further improve accuracy of detection, the spring 24 has several, and each spring 24 is uniformly arranged on
Between detection plate 9 and pressure plare 25.
Preferably, in order to protect spring 24, bellows, the both ends difference of the bellows are arranged with the spring 24
It is connected with detection plate 9 and pressure plare 25.
Preferably, in order to realize automatic detection, the identification platform 3 is equipped with infrared ray sensor, and the infrared ray passes
Sensor and cylinder 11 are electrically connected with PLC, and when infrared ray sensor detects user's arm, signal is transmitted to PLC, PLC controls
Cylinder 11 processed works so that testing agency brings into operation, so as to fulfill automatic detection.
Preferably, in order to improve the stability of the slip of sliding block 23, the sliding bar 22 has two, and two sliding bars 22 close
Be symmetrical arranged in screw 21, two sliding bars 22 can preferably limit the rotation of sliding block 23 so that sliding block 23 along screw 21 more
Stably move.
Preferably, in order to improve the slip precision of drive block 15 and the stability of sliding process, the pilot unit bag
Include two guide rods being parallel to each other 26, the drive block 15 between two guide rods 26, the drive block 15 respectively with
Two guide rods 26 are slidably connected, because the sliding trace of drive block 15 is limited to a certain range by the guide rod 26 being parallel to each other
It is interior, avoid drive block 15 from shifting in sliding process, therefore realize the accuracy and stability of its sliding process.
Preferably, in order to avoid crushing wrist, the retainer ring 18 is equipped with pressure sensor, the pressure sensor
It is electrically connected with PLC, when pressure sensor, which is detected, is more than setting value to the pressure of wrist, signal is transmitted to PLC, PLC controls
First motor 12 works so that two retainer rings 18 are separated slightly, avoid crushing wrist.
Preferably, in order to improve the comfort level of clamping, the inner ring of the retainer ring 18 is equipped with silicagel pad, due to silica gel
Pad is more soft, has preferable pliability, can play cushioning effect when retainer ring 18 is contacted with wrist, avoid hand clamping
Wrist, so as to improve the comfort level of clamping.
Before personal recognition is carried out to user, can detect at wrist whether have pulse by testing agency, when detecting
During pulseless, signal is transmitted to PLC by pulse transducer 10, and PLC control alarms 19 work, send alarm to people, avoid one
The palmmprint without vital sign forged a bit is by the verification of equipment, so as to improve the security of fingerprint identification device and reliable
Property, when having detected pulse, palm is fixed on identification platform 3 by PLC control fixed mechanism work at once, avoids illegal point
Son replaces the palmmprint forged in living body authentication by rear, so as to further enhancing the safety and reliability of equipment.
Compared with prior art, should have the function of the safe and reliable fingerprint identification device of living body authentication, to user into
Before row personal recognition, can by biometric identification apparatus to user carry out living body authentication, avoid some forge without life entity
The palmmprint of sign is by the verification of equipment, so that the safety and reliability of fingerprint identification device is improved, compared to existing work
Card device is realized, palm can be fixed on identification platform 3 at once, avoids criminal in living body authentication after live body is confirmed
The palmmprint forged is replaced by rear, so as to further enhancing the safety and reliability of equipment.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
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 scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (10)
1. a kind of have the function of the safe and reliable fingerprint identification device of living body authentication, including main body (1), console (2) and knowledge
Other (3), the console (2) and identification platform (3) are arranged on the same side of main body (1), and the console (2) is positioned at identification platform
(3) top, it is characterised in that further include biometric identification apparatus, the biometric identification apparatus is arranged on the interior of identification platform (3)
Portion；
The biometric identification apparatus includes testing agency and fixed mechanism, and the testing agency is arranged on the middle part of identification platform (3),
The fixed mechanism has two, and two fixed mechanisms are separately positioned on the both ends of identification platform (3), and two fixed mechanisms are located at respectively
The both sides of testing agency, two fixed mechanisms are symmetrical arranged on testing agency；
The testing agency includes support plate (4), fixed block (5), sliding shoe (6), expansion bracket (7), hinged block (8), detection plate
(9), pulse transducer (10) and cylinder (11), the support plate (4) is horizontally disposed, and the fixed plate and sliding shoe (6) are all provided with
Put and be fixedly connected in the top of support plate (4), the fixed block (5) with support plate (4), the sliding shoe (6) and support plate (4)
It is slidably connected, the expansion bracket (7) is vertically arranged, and the both ends of the bottom of the expansion bracket (7) are respectively with fixed block (5) and sliding
Block (6) is hinged, and the hinged block (8) has two, and the both ends at the top of the expansion bracket (7) are cut with scissors with two hinged blocks (8) respectively
Connecing, the detection plate (9) is horizontally set on the top of hinged block (8), and two hinged blocks (8) are slidably connected with detection plate (9),
The pulse transducer (10) is arranged on the top of detection plate (9), and the pulse transducer (10) is arranged on the one of detection plate (9)
End, the cylinder (11) are horizontally set on the top of support plate (4), and the gas bar of the cylinder (11) is connected with sliding shoe (6), institute
The top surface for stating identification platform (3) is equipped with opening, and the detection plate (9) is located at the lower section of opening, and the pulse transducer (10) is located at
Between opening and detection plate (9)；
The fixed mechanism includes drive component and fixation kit, and the fixation kit is arranged on the side of drive component, described
Drive component is sequentially connected with fixation kit；
The driving component include the first motor (12), driving wheel (13), drive rod (14), drive block (15), connecting rod (16) and
Pilot unit, first motor (12) are sequentially connected with driving wheel (13), and the drive block (15) is located in pilot unit, institute
State drive block (15) to be slidably connected with pilot unit, one end of the drive rod (14) and driving wheel (13) are hinged, the driving
The other end of bar (14) is hinged with drive block (15), and the drive rod (14) and the hinged place of driving wheel (13) are located at driving wheel
(13) side in the center of circle, the driving wheel (13) drive drive block (15) to move horizontally by drive rod (14), the connecting rod
(16) it is horizontally set on the side of drive block (15)；
The fixation kit includes fixed link (17) and retainer ring (18), and the fixed link (17) is vertically provided at connecting rod (16)
One end away from drive block (15), the bottom of the fixed link (17) are connected with connecting rod (16), the top of the fixed link (17)
Identification platform (3) is stretched out through opening, the retainer ring (18) is semi-circular shape, and the retainer ring (18) is vertically arranged, the fixation
The outer ring of ring (18) is connected with fixed link (17), and two retainer rings (18) are respectively positioned between two fixed links (17), two fixations
The inner ring face of ring (18) is set；
The outside of the main body (1) is equipped with alarm (19), and PLC, the pulse transducer are equipped with the console (2)
(10), the first motor (12), alarm (19) are electrically connected with PLC.
2. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 1, it is characterised in that institute
The lower section for stating support plate (4) is equipped with adjusting mechanism, and the adjusting mechanism includes the second motor (20), screw (21), sliding bar
(22) it is horizontally disposed with sliding block (23), the screw (21), the screw (21) is vertical with the gas bar of cylinder (11), and described second
Motor (20) is sequentially connected with screw (21), and the sliding bar (22) is parallel with screw (21), and the sliding bar (22), which passes through, to be slided
Block (23) and sliding bar (22) is slidably connected with sliding block (23), the sliding block (23) are equipped with threaded hole, screw (21) warp
Threaded hole passes through sliding block (23), and the screw (21) is threadedly coupled with sliding block (23), and the support plate (4) is horizontally set on sliding block
(23) top.
3. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 1, it is characterised in that institute
State and spring (24) and pressure plare (25) are equipped between detection plate (9) and pulse transducer (10), pressure plare (25) level is set
Put, the spring (24) is vertically arranged, and the bottom of the spring (24) is connected with the top surface of detection plate (9), the spring (24)
Top be connected with the bottom surface of pressure plare (25), the pulse transducer (10) is arranged on the top surface of pressure plare (25).
4. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 3, it is characterised in that institute
Stating spring (24) has several, and each spring (24) is uniformly arranged between detection plate (9) and pressure plare (25).
5. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 4, it is characterised in that institute
State and bellows is arranged with spring (24), the both ends of the bellows are connected with detection plate (9) and pressure plare (25) respectively.
6. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 1, it is characterised in that institute
State identification platform (3) and be equipped with infrared ray sensor, the infrared ray sensor and cylinder (11) are electrically connected with PLC.
7. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 2, it is characterised in that institute
Stating sliding bar (22) has two, and two sliding bars (22) are symmetrical arranged on screw (21).
8. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 1, it is characterised in that institute
Stating pilot unit includes two guide rods (26) being parallel to each other, and the drive block (15) is located between two guide rods (26),
The drive block (15) is slidably connected with two guide rods (26) respectively.
9. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 1, it is characterised in that institute
State retainer ring (18) and be equipped with pressure sensor, the pressure sensor is electrically connected with PLC.
10. there is the safe and reliable fingerprint identification device of living body authentication as claimed in claim 1, it is characterised in that
The inner ring of the retainer ring (18) is equipped with silicagel pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230146.5A CN107918769A (en) | 2017-11-29 | 2017-11-29 | It is a kind of that there is the safe and reliable fingerprint identification device of living body authentication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711230146.5A CN107918769A (en) | 2017-11-29 | 2017-11-29 | It is a kind of that there is the safe and reliable fingerprint identification device of living body authentication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107918769A true CN107918769A (en) | 2018-04-17 |
Family
ID=61897117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711230146.5A Withdrawn CN107918769A (en) | 2017-11-29 | 2017-11-29 | It is a kind of that there is the safe and reliable fingerprint identification device of living body authentication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107918769A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844504A (en) * | 2018-07-05 | 2018-11-20 | 深圳市贝优通新能源技术开发有限公司 | A kind of sonigauge convenient for fixing and adjusting |
| CN108986283A (en) * | 2018-07-31 | 2018-12-11 | 深圳市奈士迪技术研发有限公司 | A kind of high-precision contact personal recognition smart lock |
| CN112257688A (en) * | 2020-12-17 | 2021-01-22 | 四川圣点世纪科技有限公司 | GWO-OSELM-based non-contact palm in-vivo detection method and device |
-
2017
- 2017-11-29 CN CN201711230146.5A patent/CN107918769A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108844504A (en) * | 2018-07-05 | 2018-11-20 | 深圳市贝优通新能源技术开发有限公司 | A kind of sonigauge convenient for fixing and adjusting |
| CN108844504B (en) * | 2018-07-05 | 2021-03-19 | 东营钧辰石油设备有限责任公司 | Ultrasonic thickness gauge convenient to fix and adjust |
| CN108986283A (en) * | 2018-07-31 | 2018-12-11 | 深圳市奈士迪技术研发有限公司 | A kind of high-precision contact personal recognition smart lock |
| CN108986283B (en) * | 2018-07-31 | 2020-11-27 | 浙江金和美工贸有限公司 | High-precision contact type palm print recognition intelligent lock |
| CN112257688A (en) * | 2020-12-17 | 2021-01-22 | 四川圣点世纪科技有限公司 | GWO-OSELM-based non-contact palm in-vivo detection method and device |
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