CN105678223A - Movable type finger tip positioning finger vein recognizer - Google Patents
Movable type finger tip positioning finger vein recognizer Download PDFInfo
- Publication number
- CN105678223A CN105678223A CN201511011396.0A CN201511011396A CN105678223A CN 105678223 A CN105678223 A CN 105678223A CN 201511011396 A CN201511011396 A CN 201511011396A CN 105678223 A CN105678223 A CN 105678223A
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- finger
- plate
- location
- positioning
- positioning plate
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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
-
- 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
- G06V40/14—Vascular patterns
Abstract
The invention discloses a movable type finger tip positioning finger vein recognizer. The movable type finger tip positioning finger vein recognizer is characterized in that: a positioning plate is arranged in a detection hole of a housing; a positioning groove is formed in the positioning plate; a positioning plate moving guide slot and a reset spring are arranged at the inside of the housing; the reset spring is arranged on a spring positioning bar; the bottom of the positioning plate penetrates through the spring positioning bar, and is clamped into the positioning plate moving guide slot; an induction trigger switch is arranged at the back of the positioning plate; a movable dust proof plate and an infrared light source are arranged above the positioning plate; a filter plate, an infrared inductor and a control circuit board are arranged below the positioning plate; and the infrared light source, the induction trigger switch and the infrared inductor are electrically connected with the control circuit board. The positioning plate can help the placing position and angle for a finger to be within the allowed deviation range; the detected part of the finger is in the air so as to guarantee that variation of the vein features is not caused because the finger blood vessel is pressed as the pressure of the finger in the vertical direction is different; therefore, the movable type finger tip positioning finger vein recognizer improves the detection accuracy; and as the positioning plate and the movable dust proof plate form a dust proof structure, the movable type finger tip positioning finger vein recognizer can effectively prevent dust.
Description
Technical field
The present invention relates to vein identification technology field, especially, relate to the finger hand vein recognition device of a kind of portable finger tip location.
Background technology
Refer to that vein identification technology is a kind of novel biological characteristic vivo identification technology, its principle is based in human finger the blood of flowing can absorb the Infrared of specific wavelength, when the Infrared opponent using specific wavelength refers to be irradiated, the picture rich in detail of finger vena can be obtained, utilize the scientific phenomena that this is intrinsic, the image of acquisition is analyzed, processes, just can obtain the biological information of finger vena, compare with the biological information of the finger vena gathered again afterwards it may determine that the identity of gathered person after this information is stored. This novel biological identification technology due to characteristic point is positioned at inside of human body and also must be In vivo detection, thus not only there is uniqueness, and there is non-reproduction, safety is had more relative to fingerprint identification technology, simultaneously, finger blood characteristics everyone all possess, have relative to fingerprint characteristic the crowd of 4% not can recognise that because of unintelligible, have more practicality. Therefore, vein identification technology is referred to as second filial generation biological identification technology.
Nineteen eighty-three, Kodak employee JosephRice has invented the feature identification technique of hands vein, 1992, Hokkaido, Japan university K.Shimizu publishes an article and thinks human body hands blood vessel infrared imaging can be utilized as identification foundation, 1997, BKSystem company of Korea S has issued the commercial Palm-dorsal vein recognition product B K-100 in first, Asia, and subsequently, Hitachi, Ltd is proposed series finger vena identification product.
The core technology of finger vena identification includes front-end technology and namely refers to vein read head hardware technology, mainly includes structure, security module, infrared scanner, input device and chip technology, namely back-end technology refers to vein software engineering, including image procossing, storage and application controls. the research and development of domestic vein identification technology start from 2004, affect the reason that this advanced technology popularizes in an all-round way to be mainly front-end technology and be difficult to meet relatively harsh instructions for use, it is obtained by three-dimensional imaging owing to referring to the biological characteristic point of vein, being different from fingerprint is that planar imaging obtains, the position of finger can arbitrarily be placed, require when referring to hand vein recognition that finger is basically identical in the position using the position put time around and angle must put time around with registration and angle every time, identify that software just can be made to identify fast and accurately, otherwise recognition efficiency can reduce and even can not successfully identify, the experience making user initial is deteriorated, produce to conflict at heart.
Current finger hand vein recognition device structurally divides two classes, and one is Full-open structure, and infrared window is all exposed to, and finger position is retrained by groove structure, and the size of finger locating and placement force is mainly by memory; Two is that finger is stretched into the size of about 30mm place, finger locating and placement force inside evaluator mainly by sensation by semi-closed structure requirement. But man memory and sensation can change over time and indifferent, be therefore insecure, user needs the adaptation of a period of time when first use, and this problem makes the popularization of this technology be subject to very big negative effect. On the other hand, no matter being that structure, in order to ensure that finger is not forced deformation when putting, infrared filtering eyeglass all must keep sinking certain distance, and such structure easily causes the accumulation of dust and not easy to clean.
Summary of the invention
Present invention aim at providing the finger hand vein recognition device of a kind of portable finger tip location, to solve in prior art, hand vein recognition device finger locating not easily keeps consistent, easily causes the accumulation of dust and problem not easy to clean on the other hand.
For achieving the above object, the present invention provides the finger hand vein recognition device of a kind of portable finger tip location, including: housing, described housing offers the detection hole putting into finger, is provided with location-plate in described detection hole, described location-plate offers locating slot; The inner side of described housing arranges location-plate and moves guide groove and back-moving spring, and described back-moving spring is located on the bar of spring location, and the bottom of described location-plate is located on the bar of described spring location, and snaps in described location-plate and move in guide groove; Along the moving direction of described location-plate, it is provided with sensing after described location-plate and triggers switch; Be provided above movable dust-proof board and infrared light supply in described location-plate, described location-plate is arranged below filter, and described filter is arranged below infrared inductor and control circuit plate; Described infrared light supply, described sensing trigger switch, described infrared inductor electrically connects with described control circuit plate respectively.
Further, it is provided with multiple positioning convex point in described locating slot.
Further, described positioning convex point is provided with three, and wherein positioning convex point described in is arranged on the bottom of described locating slot, and two other described positioning convex point lays respectively at the lateral symmetry of described locating slot and arranges.
Further, described locating slot is the half slot structure consistent with described finger shape shape.
Further, described sensing triggers switch for non-contact capacitance induction switch or contact microswitch.
Further, described infrared light supply is positioned at the top of described housing or the both sides of described housing.
Further, described housing is made up of with the upper cover covered on described base base.
The method have the advantages that
Location-plate in the present invention can help position that finger puts and angle all within the scope of tolerance, back-moving spring realizes automatically reseting of location-plate, simultaneously the power of back-moving spring can ensure that finger radially firmly constant, thus ensureing the basically identical of finger radial position; Location-plate and infrared detection region have certain space, the process of finger push location-plate only has finger tip stress, when using, the detected part of finger is all in identical vacant state every time, thus ensureing that will not oppress finger blood vessel because vertical direction finger pressure varies in size cause the variation of vein pattern, improves the precision of detection; Meanwhile, location-plate is combined composition dustproof construction with movable dust-proof board, it is possible to effectively prevent dust from entering into evaluator inner accumulation.
Accompanying drawing explanation
Below with reference to figure, the present invention is further detailed explanation.The accompanying drawing constituting the part of the application is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention. In the accompanying drawings:
Fig. 1 is the front view referring to hand vein recognition device preferred embodiment of movable type finger tip of the present invention location;
Fig. 2 is the A-A sectional view of Fig. 1; And
Fig. 3 is the B-B sectional view of Fig. 1.
Description of reference numerals:
1, upper cover; 2, base; 3, detection hole; 4, location-plate; 5, locating slot; 6, location-plate moves guide groove; 7, back-moving spring; 8, spring location bar; 9, sensing triggers switch; 10, movable dust-proof board; 11, infrared light supply; 12, filter; 13, infrared inductor; 14, control circuit plate; 15, positioning convex point.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail.
Refer to Fig. 1 to Fig. 3, the preferred embodiments of the present invention provide the finger hand vein recognition device of a kind of portable finger tip location, including: housing, described housing offers the detection hole 3 putting into finger, it is provided with location-plate 4 in described detection hole 3, described location-plate 4 offers locating slot 5; The inner side of described housing arranges location-plate and moves guide groove 6 and back-moving spring 7, and described back-moving spring 7 is located on the bar 8 of spring location, and the bottom of described location-plate 4 is located on the bar 8 of described spring location, and snaps in described location-plate and move in guide groove 6; Along the moving direction of described location-plate 4, user, inserting finger, can promote location-plate 4 to retreat, and is provided with sensing and triggers switch 9 after described location-plate 4; Being provided above movable dust-proof board 10 and infrared light supply 11 in described location-plate 4, described location-plate 4 is arranged below filter 12, and described filter 12 is arranged below infrared inductor 13 and control circuit plate 14; Described infrared light supply 11, described sensing trigger switch 9, described infrared inductor 13 and electrically connect with described control circuit plate 14 respectively.
Movable dust-proof board 10 is positioned at the top of location-plate 4, and keep coincideing of contact angle and position between location-plate 4, with the effect that location-plate 4 plays closed dust jointly, when finger push movable positioning plate 4 moves inward, movable dust-proof board 10 can be rotated up different angles according to varying in size of user finger, after exiting under gravity, movable dust-proof board 10 automatically resets finger; Filter 12 is positioned at the underface of location-plate 4, infrared inductor 13(or photographic head) it is fixed on housing together with control circuit plate 14; Case inside has back-moving spring 7, back-moving spring 7 is located on the bar 8 of spring location, prevent back-moving spring 7 from outwards ejecting when compression, the bottom of location-plate 4 is located on the bar 8 of spring location, and snap in location-plate and move in guide groove 6, when location-plate 4 along location-plate move guide groove 6 move inward time, compression reseting spring 7; When outwards taking out finger, back-moving spring 7 discharges compression stress, promotes location-plate 4 to move forward reset; When location-plate 4 moves inward and puts in place, compressing triggers sensing and triggers switch 9, produce a control signal trigger control circuit plate 14 to work, now, infrared light supply 11 irradiates finger, after the impact of filtered plate 12 filtering environmental light, produces infrared vein image, infrared inductor 13(or photographic head) shoot this image after export to external equipment, for referring to the identification application of vein.
The present invention adopts spring to realize automatically reseting of location-plate 4, and the power of spring can ensure that finger radially firmly constant simultaneously, thus ensureing the basically identical of finger radial position;Location-plate 4 and infrared detection region have certain space, the process of finger push location-plate 4 only has finger tip stress, when using, the detected part of finger is all in identical vacant state every time, thus ensureing that will not oppress finger blood vessel because vertical direction finger pressure varies in size cause the variation of vein pattern, improves the precision of detection; Meanwhile, location-plate 4 is combined composition dustproof construction with movable dust-proof board 10, it is possible to effectively prevent dust from entering into evaluator inner accumulation.
For improving accuracy of detection further, described locating slot 5 is the half slot structure consistent with described finger shape shape, is provided with multiple positioning convex point 15 in described locating slot 5. Preferably, described positioning convex point 15 is provided with three, and wherein positioning convex point 15 described in is arranged on the bottom of described locating slot 5, and two other described positioning convex point 15 lays respectively at the lateral symmetry of described locating slot 5 and arranges. Three positioning convex points 15 form a cognitive domains, these positioning convex points 15 are high-visible, may help to can be placed in by finger on essentially identical position when user uses every time, ensureing location-plate 4 to when pushing inside evaluator, the position of finger, angle and pressure are all within the scope of tolerance.
Preferably, improving sensing and trigger the reliability of switch, described sensing triggers switch 9 for non-contact capacitance induction switch or contact microswitch.
Preferably, for ensureing that infrared light supply 11 can be radiated at uniformly finger above the top of finger or both sides, described infrared light supply 11 is positioned at the top of described housing or the both sides of described housing.
Preferably, simplifying shell structure, facilitate the assembling of all parts, described housing is made up of with the upper cover 1 covered on described base 2 base 2.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention; For a person skilled in the art, the present invention can have various modifications and variations. All within the spirit and principles in the present invention, any amendment of making, equivalent replacement, improvement etc., should be included within protection scope of the present invention.
Claims (7)
1. the finger hand vein recognition device of a portable finger tip location, it is characterised in that including:
Housing, described housing offers the detection hole putting into finger, is provided with location-plate, described location-plate offers locating slot in described detection hole;
The inner side of described housing arranges location-plate and moves guide groove and back-moving spring, and described back-moving spring is located on the bar of spring location, and the bottom of described location-plate is located on the bar of described spring location, and snaps in described location-plate and move in guide groove; Along the moving direction of described location-plate, it is provided with sensing after described location-plate and triggers switch;
Be provided above movable dust-proof board and infrared light supply in described location-plate, described location-plate is arranged below filter, and described filter is arranged below infrared inductor and control circuit plate; Described infrared light supply, described sensing trigger switch, described infrared inductor electrically connects with described control circuit plate respectively.
2. the finger hand vein recognition device of portable finger tip location according to claim 1, it is characterised in that:
Multiple positioning convex point it is provided with in described locating slot.
3. the finger hand vein recognition device of portable finger tip location according to claim 2, it is characterised in that:
Described positioning convex point is provided with three, and wherein positioning convex point described in is arranged on the bottom of described locating slot, and two other described positioning convex point lays respectively at the lateral symmetry of described locating slot and arranges.
4. the finger hand vein recognition device of portable finger tip location according to claim 3, it is characterised in that:
Described locating slot is the half slot structure consistent with described finger shape shape.
5. the finger hand vein recognition device of portable finger tip location according to claim 1, it is characterised in that:
Described sensing triggers switch for non-contact capacitance induction switch or contact microswitch.
6. the finger hand vein recognition device of portable finger tip location according to claim 1, it is characterised in that:
Described infrared light supply is positioned at the top of described housing or the both sides of described housing.
7. the finger hand vein recognition device of the portable finger tip location according to any one of claim 1-6, it is characterised in that:
Described housing is made up of with the upper cover covered on described base base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011396.0A CN105678223B (en) | 2015-12-30 | 2015-12-30 | The finger hand vein recognition device of mobile finger tip positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511011396.0A CN105678223B (en) | 2015-12-30 | 2015-12-30 | The finger hand vein recognition device of mobile finger tip positioning |
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| Publication Number | Publication Date |
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| CN105678223A true CN105678223A (en) | 2016-06-15 |
| CN105678223B CN105678223B (en) | 2019-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511011396.0A Active CN105678223B (en) | 2015-12-30 | 2015-12-30 | The finger hand vein recognition device of mobile finger tip positioning |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279399A (en) * | 2019-06-25 | 2019-09-27 | 深圳前海蒂脉时代科技控股有限公司 | A kind of minitype portable refers to that vein real time image collection identifies equipment |
| CN113191194A (en) * | 2021-03-31 | 2021-07-30 | 深圳市鑫保泰技术有限公司 | Thin finger vein authentication device |
| CN114973437A (en) * | 2022-05-06 | 2022-08-30 | 徐州工业职业技术学院 | Work attendance device in turn based on engineering of internet |
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| CN2478197Y (en) * | 2001-04-09 | 2002-02-20 | 旭丽股份有限公司 | Key type fingerprint recognizer |
| CN201088587Y (en) * | 2007-10-30 | 2008-07-23 | 重庆工学院 | Image collection device of finger vein authentication system |
| CN102467665A (en) * | 2010-11-12 | 2012-05-23 | 中国船舶重工集团公司第七一○研究所 | Finger vein image acquisition identification apparatus |
| US20150193669A1 (en) * | 2011-11-21 | 2015-07-09 | Pixart Imaging Inc. | System and method based on hybrid biometric detection |
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2015
- 2015-12-30 CN CN201511011396.0A patent/CN105678223B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2478197Y (en) * | 2001-04-09 | 2002-02-20 | 旭丽股份有限公司 | Key type fingerprint recognizer |
| CN201088587Y (en) * | 2007-10-30 | 2008-07-23 | 重庆工学院 | Image collection device of finger vein authentication system |
| CN102467665A (en) * | 2010-11-12 | 2012-05-23 | 中国船舶重工集团公司第七一○研究所 | Finger vein image acquisition identification apparatus |
| US20150193669A1 (en) * | 2011-11-21 | 2015-07-09 | Pixart Imaging Inc. | System and method based on hybrid biometric detection |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110279399A (en) * | 2019-06-25 | 2019-09-27 | 深圳前海蒂脉时代科技控股有限公司 | A kind of minitype portable refers to that vein real time image collection identifies equipment |
| CN110279399B (en) * | 2019-06-25 | 2022-02-18 | 深圳前海蒂脉时代科技控股有限公司 | Miniature portable finger vein real-time image acquisition and identification equipment |
| CN113191194A (en) * | 2021-03-31 | 2021-07-30 | 深圳市鑫保泰技术有限公司 | Thin finger vein authentication device |
| CN113191194B (en) * | 2021-03-31 | 2022-02-11 | 深圳市鑫保泰技术有限公司 | Thin finger vein authentication device |
| CN114973437A (en) * | 2022-05-06 | 2022-08-30 | 徐州工业职业技术学院 | Work attendance device in turn based on engineering of internet |
| CN114973437B (en) * | 2022-05-06 | 2023-06-27 | 徐州工业职业技术学院 | Internet-based engineering alternate attendance checking device |
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| CN105678223B (en) | 2019-04-12 |
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Effective date of registration: 20201202 Address after: Jiang Ping Road Jingjiang city 214500 Jiangsu city of Taizhou province (No. 1109 Maqiao Town East Seashell company) Patentee after: JIANGSU XINGCHEN HIGH-SPEED ELECTRIC EQUIPMENT Co.,Ltd. Address before: Jiangsu province Wuxi city Chong'an District 214000 Sheng Xiang No. 30 Room 401 Patentee before: Hua Hua |