CN208985186U - A kind of finger vein identification device - Google Patents
A kind of finger vein identification device Download PDFInfo
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- CN208985186U CN208985186U CN201821646343.5U CN201821646343U CN208985186U CN 208985186 U CN208985186 U CN 208985186U CN 201821646343 U CN201821646343 U CN 201821646343U CN 208985186 U CN208985186 U CN 208985186U
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- finger
- light source
- identification device
- vein identification
- acquisition unit
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Abstract
The utility model discloses a kind of finger vein identification device and its detection methods, including light source, finger tip guide member, acquisition unit and Main Processor Unit, finger is placed on finger tip guide member, light source includes instruction light source, positioned light source and imaging source, instruction light source-guide finger is correctly put, the light of positioned light source irradiates finger, finger information is obtained by the different hot spots that positioned light source is imaged on finger, according to finger information, imaging source is set, imaging source is pointed into finger, acquisition unit is towards finger, acquisition unit acquires finger vena image-forming information, acquisition unit is connect with Main Processor Unit, Main Processor Unit handles the finger vena image-forming information received.After the utility model obtains finger information (finger position and finger gesture) by positioned light source, imaging source is arranged to obtain relatively complete finger vena image-forming information with this again, the freedom degree of finger placement is expanded, convenience and comfort that user uses are improved.
Description
Technical field
The utility model relates to human body biological characteristics identification technology fields, and in particular to a kind of finger vein identification device.
Background technique
Biometrics identification technology is to identify or verify user identity using personal characteristics, refers to that vein identification technology is one
The advanced biometrics identification technology of kind.Refer to that vein identification technology is to carry out identity knowledge using the vein distributed image in finger
Not, vein pattern is a kind of living body characteristics for being difficult to forge, remain unchanged for a long period of time, and refers to the located subcutaneously depths of vein thus has higher
Stability and anti-forgery.
Finger vein identification technology is to obtain initial data based on optical principle, naturally gathers around and has the dimensions, especially
When requiring the finger areas acquired long, equipment volume can be bigger.Meanwhile to beyond the angle (hand outside design threshold
Refer to that center line and form demarcate centerlines), height (finger root to acquisition unit distance) placement finger can all cause into
As light source can not project in the finger areas of enough area, causes the precision of hand vein recognition not enough or can not identify at all.
Summary of the invention
Existing finger vein identification device volume is big and the precision of hand vein recognition is inadequate in order to solve, and can not even know
The problems such as other, the utility model provide a kind of finger vein identification device.
The purpose of this utility model is achieved through the following technical solutions: a kind of finger vein identification device, including light source, is referred to
Sharp guide member, acquisition unit and Main Processor Unit, finger are placed on finger tip guide member, and light source includes instruction light source, positioning light
Source and imaging source, instruction light source use visible light source, and instruction light source-guide finger is correctly put, the light irradiation of positioned light source
Finger obtains finger information by the different hot spots that positioned light source is imaged on finger, and imaging source is pointed into finger, acquisition unit
Towards finger, acquisition unit acquires finger vena image-forming information, and acquisition unit is connect with Main Processor Unit, Main Processor Unit docking
The finger vena image-forming information received is handled.
Preferably, a kind of finger vein identification device, the positioned light source are distributed in finger vein identification device
Different location, positioned light source uses near-infrared light source, positioned light source be arranged in the top of finger tip guide member, lower section, left or
Person right.
Preferably, a kind of finger vein identification device, the imaging source irradiate finger from different directions respectively,
Imaging source uses near-infrared light source, and imaging source is arranged on finger tip guiding piece or outside finger tip guiding piece, imaging source position
In the top of finger, upper side, side, side-lower or lower section.
Preferably, a kind of finger vein identification device, between the acquisition unit and finger be arranged optical filter or
Photosensitive element prefilter or filter membranous layer of the person in acquisition unit, filter out interference wave by optical filter or filter membranous layer
It is long.
Preferably, a kind of finger vein identification device, the finger tip guide member include guiding piece and detection sensing
The combination of both devices or first, guiding finger by guiding piece, detection sensor is mounted at guiding piece, detection sensor inspection
Whether survey has finger to be placed on guiding piece.
Preferably, a kind of finger vein identification device, the guiding piece include guide channel, icon, cursor, moulding
One of or it is a variety of.
Preferably, a kind of finger vein identification device, the detection sensor include capacitive detection sensor, electricity
Detection sensor, photosensitive sensor, infrared proximity transducer, temperature sensor, pressure sensor, microswitch, pulse is hindered to pass
One of sensor is a variety of.
Preferably, a kind of finger vein identification device, the light source are connect with Main Processor Unit, pass through main process task
Unit controls the switch of light source, and Main Processor Unit is connect with detection sensor, the finger print information transmitting that detection sensor will test
To Main Processor Unit.
Preferably, a kind of finger vein identification device, the finger tip guide member are arranged on shell, divide in shell
It An Zhuan not light source, acquisition unit and Main Processor Unit.
Compared with prior art, the utility model is with following the utility model has the advantages that the utility model is obtained by positioned light source
After taking finger information (finger position and finger gesture), then imaging source is arranged to obtaining relatively complete finger vena with this
Image-forming information expands the freedom degree of finger placement, improves convenience and comfort that user uses, and ensure that vein is known
Other precision.
Detailed description of the invention
It, below will be to embodiment or existing skill in order to illustrate more clearly of the present embodiment or technical solution in the prior art
Attached drawing needed in art description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical
Novel one embodiment without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram of the finger vein identification device of embodiment 1；
Fig. 2 is a kind of structural schematic diagram of the finger vein identification device of embodiment 1；
Fig. 3 is the vein imaging figure of imaging source above in a kind of finger vein identification device of embodiment 1；
Fig. 4 be a kind of finger vein identification device of embodiment 1 in imaging source upper side vein imaging figure；
Vein imaging figure of the Fig. 5 for imaging source in a kind of finger vein identification device of embodiment 1 in side；
Fig. 6 be a kind of finger vein identification device of embodiment 1 in imaging source side-lower vein imaging figure；
Vein imaging figure of the Fig. 7 for imaging source in a kind of finger vein identification device of embodiment 1 in lower section；
In figure: 1 light source, 11 instruction light sources, 12 positioned light sources, 13 imaging sources；2 finger tip guide members, 21 guiding pieces, 22
Detection sensor；3 acquisition units；4 Main Processor Units；5 optical filters, 6 shells, 7 fingers.
Specific embodiment
The utility model in order to better understand will carry out the technical solution of the utility model by embodiment clear below
Chu is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figures 1 to 7, a kind of finger vein identification device, including light source 1, finger tip guide member 2,3 and of acquisition unit
Main Processor Unit 4, finger 7 are placed on finger tip guide member 2, and light source 1 includes instruction light source 11, positioned light source 12 and imaging source
13, instruction light source 11 uses visible light source, and instruction light source 11 is located at finger tip guide member 2, and instruction light source 11 guides finger 7
Correctly put, positioned light source 12 uses near-infrared light source, positioned light source 12 respectively from surrounding (top of finger tip guide member 2, under
Side, the left and right) irradiation finger 7, the different hot spots acquisition finger information being imaged on finger 7 by positioned light source 12, at
As light source 13 uses near-infrared light source, imaging source 13 be arranged in the top of finger tip guide member 2, upper side, side, side-lower or
Below person, acquisition unit 3 acquires finger vena image-forming information, acquisition unit 3 and Main Processor Unit 4 towards finger, acquisition unit 3
Connection, Main Processor Unit 4 handle the finger vena image-forming information received.
Optical filter 5 is set between the acquisition unit 3 and finger 7, interference wavelength is filtered out by optical filter 5.
The finger tip guide member 2 includes the combination of guiding piece 21 and detection sensor 22 or first, passes through guiding piece 21
Finger is guided, guiding piece 21 includes one of guide channel, icon, cursor, moulding or a variety of, and detection sensor 22, which is mounted on, draws
At guiding element 21, detection sensor 22 has detected whether that finger 7 is placed on guiding piece 21, and detection sensor 22 includes capacitance detecting
Sensor, resistance detection sensor, photosensitive sensor, infrared proximity transducer, temperature sensor, pressure sensor, fine motion are opened
One of pass, pulse transducer are a variety of.
The light source 1 is connect with Main Processor Unit 4, by Main Processor Unit 4 control light source 1 switch, Main Processor Unit 4 with
Detection sensor 22 connects, and the finger print information that detection sensor 22 will test passes to Main Processor Unit 4, Main Processor Unit 4 with
Host computer connection, Main Processor Unit 4 are transmitted to host computer for information is handled.
Light source 1, acquisition unit 3 and main process task are installed in the setting of finger tip guide member 2 respectively on shell 6, in shell 6
Unit 4.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (9)
1. a kind of finger vein identification device, it is characterised in that: including light source, finger tip guide member, acquisition unit and main process task list
Member, finger are placed on finger tip guide member, and light source includes instruction light source, positioned light source and imaging source, indicate light source-guide hand
It criticizes and really puts, the light of positioned light source irradiates finger, obtains finger by the different hot spots that positioned light source is imaged on finger
Information, imaging source are pointed into finger, and acquisition unit acquires finger vena image-forming information, acquisition unit towards finger, acquisition unit
It is connect with Main Processor Unit, Main Processor Unit handles the finger vena image-forming information received.
2. a kind of finger vein identification device according to claim 1, it is characterised in that: the positioned light source is distributed in hand
Refer to that the different location of vein identification device, positioned light source use near-infrared light source, the upper of finger tip guide member is arranged in positioned light source
Side, lower section, left or right.
3. a kind of finger vein identification device according to claim 1, it is characterised in that: the imaging source difference is never
Equidirectional irradiation finger, imaging source use near-infrared light source, and imaging source is arranged on finger tip guiding piece or finger tip guidance
Outside part, imaging source is located at top, upper side, side, side-lower or the lower section of finger.
4. a kind of finger vein identification device according to claim 1, it is characterised in that: the acquisition unit and finger it
Between optical filter or photosensitive element prefilter or filter membranous layer in acquisition unit are set, pass through optical filter or filter coating
Layer filters out interference wavelength.
5. a kind of finger vein identification device according to claim 1, it is characterised in that: the finger tip guide member includes drawing
The combination of both guiding element and detection sensor or first, guiding finger by guiding piece, detection sensor is mounted on guiding piece
Place, detection sensor have detected whether that finger is placed on guiding piece.
6. a kind of finger vein identification device according to claim 5, it is characterised in that: the guiding piece includes guiding
One of slot, icon, cursor, moulding are a variety of.
7. a kind of finger vein identification device according to claim 5, it is characterised in that: the detection sensor includes electricity
Hold detection sensor, resistance detection sensor, photosensitive sensor, infrared proximity transducer, temperature sensor, pressure sensor,
One of microswitch, pulse transducer are a variety of.
8. a kind of finger vein identification device according to claim 1, it is characterised in that: the light source and Main Processor Unit
Connection controls the switch of light source by Main Processor Unit, and Main Processor Unit is connect with detection sensor, and detection sensor will test
Finger print information pass to Main Processor Unit.
9. a kind of finger vein identification device according to claim 1, it is characterised in that: the finger tip guide member setting exists
On shell, light source, acquisition unit and Main Processor Unit are installed respectively in shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821646343.5U CN208985186U (en) | 2018-10-10 | 2018-10-10 | A kind of finger vein identification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821646343.5U CN208985186U (en) | 2018-10-10 | 2018-10-10 | A kind of finger vein identification device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208985186U true CN208985186U (en) | 2019-06-14 |
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ID=66787051
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821646343.5U Active CN208985186U (en) | 2018-10-10 | 2018-10-10 | A kind of finger vein identification device |
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| CN (1) | CN208985186U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111401332A (en) * | 2020-04-27 | 2020-07-10 | 广州微盾科技股份有限公司 | Non-contact biological information acquisition equipment based on film |
-
2018
- 2018-10-10 CN CN201821646343.5U patent/CN208985186U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111401332A (en) * | 2020-04-27 | 2020-07-10 | 广州微盾科技股份有限公司 | Non-contact biological information acquisition equipment based on film |
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