CN212809252U - Device for identifying finger veins - Google Patents
Device for identifying finger veins Download PDFInfo
- Publication number
- CN212809252U CN212809252U CN202022136705.XU CN202022136705U CN212809252U CN 212809252 U CN212809252 U CN 212809252U CN 202022136705 U CN202022136705 U CN 202022136705U CN 212809252 U CN212809252 U CN 212809252U
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- finger
- shell
- fixed
- seat
- placing seat
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- Expired - Fee Related
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- 210000003462 vein Anatomy 0.000 title claims abstract description 64
- 238000004140 cleaning Methods 0.000 claims description 27
- 238000009434 installation Methods 0.000 claims description 8
- 239000004744 fabric Substances 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 12
- 235000017491 Bambusa tulda Nutrition 0.000 description 12
- 241001330002 Bambuseae Species 0.000 description 12
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 12
- 239000011425 bamboo Substances 0.000 description 12
- 238000003860 storage Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model relates to finger vein recognition, in particular to a device for recognizing finger veins, which comprises a shell, wherein the top of the shell is provided with a finger vein recognition window, a finger vein recognition device is fixedly arranged in the shell at a position opposite to the finger vein recognition window, the shell is provided with an adjustable finger placing mechanism, the adjustable finger placing mechanism comprises a mounting plate fixed on the shell, a rear end placing seat, a slide rail fixed on the shell relatively, and a front end placing seat connected with the slide rail in a sliding manner, a guide rod connected with the front end placing seat in a sliding manner is relatively fixed on the mounting plate, a first spring is connected between the front end placing seat and the mounting plate, and a baffle connected with the mounting plate in a sliding manner is fixed on the front end placing seat; the utility model provides a technical scheme can effectively overcome that prior art exists can't adjust the image acquisition region to user finger length, can not carry out clear defect to user finger.
Description
Technical Field
The utility model relates to a finger vein discernment, concretely relates to equipment for discerning finger vein.
Background
The principle of the finger vein recognition technology is that hemoglobin in veins has a certain absorption effect on infrared light, and fingers are irradiated by the infrared light to form finger vein texture pictures with bright and dark distribution, so that biological recognition is completed.
At present, a known finger vein identification device comprises an LED near-infrared light source and an image sensor CMOS/CCD, the finger vein is irradiated by the LED near-infrared light source, the image sensor collects the finger vein image to form an initial finger vein image record, the finger vein image is digitized after the data processing by a computer, and then the data is stored. And when the finger vein authentication is carried out again, comparing the finger vein data acquired twice, and finishing the identity identification if the comparison is consistent, and finishing the identity identification if the comparison is inconsistent.
However, the existing finger vein recognition device cannot adjust the image acquisition area according to the length of the finger of the user, and then the situation that the image acquisition position is wrong or incomplete is easily caused, so that the finger vein recognition device cannot perform effective recognition. In addition, the existing finger vein recognition device cannot clean the finger of the user, and when dirt exists in the finger of the user, the effective recognition of the finger vein is also influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the above-mentioned shortcoming that prior art exists, the utility model provides an equipment for discerning finger vein can effectively overcome that prior art exists can't adjust the image acquisition region to user finger length, can not carry out clear defect to user finger.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a device for identifying finger veins comprises a shell, wherein a finger vein identification window is arranged at the top of the shell, a finger vein identification device is fixedly arranged in the shell at a position opposite to the finger vein identification window, an adjustable finger placing mechanism is arranged on the shell, the adjustable finger placing mechanism comprises a mounting plate fixed on the shell, a rear end placing seat, a sliding rail fixed on the shell relatively, and a front end placing seat connected with the sliding rail in a sliding manner, a guide rod connected with the front end placing seat in a sliding manner is relatively fixed on the mounting plate, a first spring is connected between the front end placing seat and the mounting plate, and a baffle connected with the mounting plate in a sliding manner is fixed on the front end placing seat;
still be equipped with the clean mechanism of finger that is used for clean finger on the casing, the clean mechanism of finger is including being fixed in casing lateral wall's driving motor, installation section of thick bamboo, rotates the clean section of thick bamboo of being connected with the installation section of thick bamboo to and set up in the inside storage tank of clean section of thick bamboo, driving motor's drive shaft is fixed with clean section of thick bamboo, the storage tank inner wall is opened mutually and is equipped with first spout, the inside sliding connection of first spout has the slider, be fixed with between the slider and remove the seat, be fixed with second connecting seat, installation piece on removing the seat, be connected with the second spring between second connecting seat and the storage tank inner wall, it is connected with clean pole to rotate between the.
Preferably, the slide rail is a T-shaped slide rail, and a second chute matched with the slide rail is formed in the front-end placing seat.
Preferably, a limiting block for limiting the movement of the front-end placing seat is fixed on the sliding rail.
Preferably, the front end placing seat and the rear end placing seat are both provided with arc-shaped placing grooves.
Preferably, the mounting plate is provided with an opening matched with the baffle.
Preferably, an annular groove is formed in the inner wall of the mounting cylinder, and a ball used for being matched with the mounting cylinder and the cleaning cylinder to be in rotating connection is arranged in the annular groove.
Preferably, eight containing grooves are formed in the cleaning cylinder, every two containing grooves are symmetrically arranged in front and back of the cleaning cylinder in a group, and the four groups of containing grooves are uniformly arranged at intervals in the circumferential direction of the cleaning cylinder.
Preferably, the cleaning rod is externally wrapped with a wiping cloth.
Preferably, the driving motor is fixed with the side wall of the shell through a connecting rod, and the mounting cylinder is fixed with the side wall of the shell through a first connecting seat.
Preferably, the finger vein recognition device comprises an image acquisition module and an infrared light emitting device.
(III) advantageous effects
Compared with the prior art, the utility model provides an equipment for discerning finger vein, because the front end is placed the seat and is sliding connection, when the user's finger is placed on the seat is placed to the front end, the seat is placed to the front end can be along with the user's finger back-and-forth movement on the slide rail, guarantees that the finger treats the discernment region and exposes above the finger vein discernment window, and the setting of baffle can shelter from the finger not treats the discernment region, makes finger vein recognition device can accurately gather the finger vein image; the finger can be effectively cleaned by the finger cleaning mechanism, dirt on the area to be identified of the finger is removed, and the finger vein identification device can be effectively identified.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the structure of FIG. 1 according to the present invention;
fig. 3 is a schematic diagram of the right side view of fig. 2 according to the present invention;
fig. 4 is an enlarged schematic view of the internal structure of the accommodating groove in fig. 3 according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The utility model provides an equipment for discerning finger vein, as shown in fig. 1 to 4, including casing 1, casing 1 top is equipped with finger vein discernment window 9, the inside fixed mounting of department has finger vein recognition device 10 with finger vein discernment window 9 relative of casing 1, be equipped with adjustable finger mechanism of putting on casing 1, adjustable finger mechanism of putting is including being fixed in mounting panel 2 on casing 1, the seat 8 is placed to the rear end, relatively fixed in slide rail 3 on the casing 1, and place seat 4 with the front end of slide rail 3 sliding connection, relatively be fixed with on mounting panel 2 and place seat 4 sliding connection's guide arm 6 with the front end, the seat 4 is placed to the front end, be connected with first spring 7 between the mounting panel 2, be fixed with on the seat 4 is placed to the front end and be fixed with mounting panel 2 sliding connection's baffle.
The slide rail 3 is a T-shaped slide rail, and a second sliding groove matched with the slide rail 3 is formed in the front-end placing seat 4.
The mounting plate 2 is provided with an opening matched with the baffle 5.
When the user uses, place the finger front end on the seat 4 is placed to the front end, overcome the elasticity of first spring 7 and promote the front end gradually and place seat 4 forward, place the seat 8 coincidence with the rear end until the finger waits that the discernment region rear end is placed with the rear end, place the finger on the seat 8 is placed to the rear end, wait to discern the region with the finger and expose in finger vein recognition window 9 top to gather finger vein image by finger vein recognition device 10 and discern.
The front-end placing seat 4 can move back and forth on the sliding rail 3 along with the fingers of the user, and the finger to-be-identified area is exposed above the finger vein identification window 9. The baffle 5 can shield the non-to-be-identified area of the finger, so that the finger vein recognition device 10 can accurately acquire the finger vein image.
In the technical solution of the present application, the finger vein recognition apparatus 10 includes an image capturing module and an infrared light emitting device. The image acquisition module can adopt a CCD image sensor, infrared light emitted by the infrared light emitting device irradiates the finger to-be-identified area through the finger vein identification window 9, and the CCD image sensor acquires a finger vein image. The working process and the identification principle of the finger vein identification device 10 are already known in the background art, and belong to the prior art, which are not described herein.
The arc standing groove 11 has all been seted up on seat 8 is placed to front end 4, rear end, and the laminating is pointed to the user to arc standing groove 11 and user, and the user of being convenient for points and places.
A limiting block for limiting the movement of the front-end placing seat 4 is fixed on the sliding rail 3, and the limiting block can prevent the front-end placing seat 4 from moving too far back and forth on the sliding rail 3.
Still be equipped with the clean mechanism of finger that is used for clean finger on casing 1, the clean mechanism of finger is including being fixed in the driving motor 12 of casing 1 lateral wall, installation section of thick bamboo 15, rotate the clean section of thick bamboo 16 of being connected with installation section of thick bamboo 15, and set up in the inside storage tank 20 of clean section of thick bamboo 16, the drive shaft of driving motor 12 is fixed with clean section of thick bamboo 16, first spout 24 has been seted up relatively to the inner wall of storage tank 20, the inside sliding connection of first spout 24 has slider 25, be fixed with between the slider 25 and remove seat 22, be fixed with second connecting seat 23 on removing seat 22, installation piece 26, be connected with second spring 21 between second connecting seat 23 and the storage tank 20 inner wall, it is connected with clean pole 27 to.
The driving motor 12 is fixed with the side wall of the housing 1 through a connecting rod 13, and the mounting cylinder 15 is fixed with the side wall of the housing 1 through a first connecting seat 14.
An annular groove 17 is formed in the inner wall of the mounting cylinder 15, and a ball 18 which is used for being matched with the mounting cylinder 15 and the cleaning cylinder 16 to be connected in a rotating mode is arranged inside the annular groove 17.
The cleaning rod 27 is externally covered with wiping cloth. In the technical scheme of this application, can also adopt other dirt materials cladding outside clean pole 27.
Before finger vein recognition is performed, the fingers need to be cleaned. Fingers are put into the cleaning cylinder 16, the cleaning rod 27 is attached to the fingers, and the second spring 21 is arranged so that the finger cleaning mechanism is suitable for fingers with different thicknesses. The cleaning barrel 16 is driven to rotate by the driving motor 12, the second spring 21 is arranged to enable the cleaning barrel 16 to rotate and be always attached to a finger in the rotating process of the cleaning barrel 16, dirt on the finger is removed through the wiping cloth coated outside the cleaning rod 27, and the finger vein recognition device 10 can perform effective recognition.
In this application technical scheme, storage tank 20 has seted up eight altogether, and every two are a set of setting about clean section of thick bamboo 16 longitudinal symmetry, and four groups of storage tanks 20 set up along clean section of thick bamboo 16 circumferencial direction evenly spaced. As shown in fig. 3, the accommodating grooves 20 are respectively opened at four positions in the front and rear directions in the direction perpendicular to the paper surface, and a cleaning rod 27 is rotatably connected between the front and rear mounting blocks 26.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A device for identifying finger veins, characterized by: comprises a shell (1), a finger vein recognition window (9) is arranged at the top of the shell (1), a finger vein recognition device (10) is fixedly arranged at the position opposite to the finger vein recognition window (9) in the shell (1), the shell (1) is provided with an adjustable finger placing mechanism which comprises a mounting plate (2) fixed on the shell (1), a rear end placing seat (8) and a sliding rail (3) relatively fixed on the shell (1), and a front end placing seat (4) connected with the sliding rail (3) in a sliding way, a guide rod (6) connected with the front end placing seat (4) in a sliding way is relatively fixed on the mounting plate (2), a first spring (7) is connected between the front-end placing seat (4) and the mounting plate (2), a baffle (5) which is connected with the mounting plate (2) in a sliding way is fixed on the front-end placing seat (4);
the shell (1) is also provided with a finger cleaning mechanism for cleaning fingers, the finger cleaning mechanism comprises a driving motor (12) fixed on the side wall of the shell (1), an installation cylinder (15) and a cleaning cylinder (16) rotationally connected with the installation cylinder (15), and a containing groove (20) arranged in the cleaning cylinder (16), a driving shaft of the driving motor (12) is fixed with the cleaning cylinder (16), the inner wall of the containing groove (20) is oppositely provided with a first sliding groove (24), the inside of the first sliding groove (24) is connected with a sliding block (25) in a sliding way, a moving seat (22) is fixed between the sliding blocks (25), a second connecting seat (23) and a mounting block (26) are fixed on the moving seat (22), a second spring (21) is connected between the second connecting seat (23) and the inner wall of the accommodating groove (20), and a cleaning rod (27) is rotatably connected between the mounting blocks (26).
2. The device for identifying finger veins of claim 1, wherein: the sliding rail (3) is a T-shaped sliding rail, and a second sliding groove matched with the sliding rail (3) is formed in the front end placing seat (4).
3. The device for identifying finger veins of claim 2, wherein: and a limiting block for limiting the movement of the front-end placing seat (4) is fixed on the sliding rail (3).
4. The device for identifying finger veins of claim 1, wherein: arc-shaped placing grooves (11) are formed in the front end placing seat (4) and the rear end placing seat (8).
5. The device for identifying finger veins of claim 1, wherein: the mounting plate (2) is provided with an opening matched with the baffle (5).
6. The device for identifying finger veins of claim 1, wherein: an annular groove (17) is formed in the inner wall of the mounting cylinder (15), and a ball (18) which is used for being matched with the mounting cylinder (15) and the cleaning cylinder (16) to be connected in a rotating mode is arranged inside the annular groove (17).
7. The device for identifying finger veins of claim 1, wherein: eight containing grooves (20) are formed in total, every two containing grooves are symmetrically arranged in front and back of the cleaning cylinder (16), and the four containing grooves (20) are evenly arranged at intervals along the circumferential direction of the cleaning cylinder (16).
8. The device for identifying finger veins of claim 1, wherein: the cleaning rod (27) is wrapped with wiping cloth.
9. The device for identifying finger veins of claim 1, wherein: the driving motor (12) is fixed with the side wall of the shell (1) through a connecting rod (13), and the mounting cylinder (15) is fixed with the side wall of the shell (1) through a first connecting seat (14).
10. The device for identifying finger veins of claim 1, wherein: the finger vein recognition device (10) comprises an image acquisition module and an infrared light emitting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022136705.XU CN212809252U (en) | 2020-09-25 | 2020-09-25 | Device for identifying finger veins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022136705.XU CN212809252U (en) | 2020-09-25 | 2020-09-25 | Device for identifying finger veins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212809252U true CN212809252U (en) | 2021-03-26 |
Family
ID=75089899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022136705.XU Expired - Fee Related CN212809252U (en) | 2020-09-25 | 2020-09-25 | Device for identifying finger veins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212809252U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658359A (en) * | 2021-08-17 | 2021-11-16 | 南京华设智能电力科技有限公司 | Thing networking intelligent security multiplexer utensil cabinet |
| CN113657365A (en) * | 2021-08-17 | 2021-11-16 | 南京华设智能电力科技有限公司 | Finger vein reading device preventing misuse |
| CN113935007A (en) * | 2021-11-26 | 2022-01-14 | 黄河科技集团信息产业发展有限公司 | Vein identification safety control device for computer host |
-
2020
- 2020-09-25 CN CN202022136705.XU patent/CN212809252U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113658359A (en) * | 2021-08-17 | 2021-11-16 | 南京华设智能电力科技有限公司 | Thing networking intelligent security multiplexer utensil cabinet |
| CN113657365A (en) * | 2021-08-17 | 2021-11-16 | 南京华设智能电力科技有限公司 | Finger vein reading device preventing misuse |
| CN113657365B (en) * | 2021-08-17 | 2022-10-21 | 南京华设智能电力科技有限公司 | Finger vein reading device preventing misuse |
| CN113935007A (en) * | 2021-11-26 | 2022-01-14 | 黄河科技集团信息产业发展有限公司 | Vein identification safety control device for computer host |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210326 |