CN210776732U - Double-finger vein recognition device - Google Patents
Double-finger vein recognition device Download PDFInfo
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- CN210776732U CN210776732U CN201922149737.0U CN201922149737U CN210776732U CN 210776732 U CN210776732 U CN 210776732U CN 201922149737 U CN201922149737 U CN 201922149737U CN 210776732 U CN210776732 U CN 210776732U
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Abstract
The utility model provides a pair of double finger vein recognition device relates to biological information identification technical field, include: a base plate; the first assembling shell and the second assembling shell are oppositely arranged on two sides of the bottom plate; a collecting through groove is formed among the first assembling shell, the second assembling shell and the bottom plate; the first assembling shell is provided with a first collecting through hole facing the collecting through groove, and the second assembling shell is provided with a second collecting through hole facing the collecting through groove; the first finger vein acquisition module and the second finger vein acquisition module are respectively arranged in the first assembly shell and the second assembly shell and are used for acquiring finger vein information in the through groove; and the infrared module is arranged in the acquisition through groove.
Description
Technical Field
The utility model belongs to the technical field of biological information identification technique and specifically relates to a two finger vein recognition device is related to.
Background
The finger vein recognition is one of vein recognition, and the finger vein recognition device is widely applied to public field authentication equipment, such as member recognition all-in-one machines, bank ATM machines, access control management systems, PC login, replacement of automobile locks, safe box management, copier management, electronic payment and other fields requiring personal identity authentication.
However, for the female or children who have thin finger vein vessels, few finger vein vessels, or little straight and curved finger vein vessels, the number of feature points of the finger vein image is correspondingly small, so that the probability of misrecognition is increased, and the safety of the finger vein recognition device is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a double finger vein recognition device to solve the relatively poor technical problem of prior art middle finger vein recognition device security.
The utility model provides a pair of double finger vein recognition device, include:
a base plate;
the first assembling shell and the second assembling shell are oppositely arranged on two sides of the bottom plate;
a collecting through groove is formed among the first assembling shell, the second assembling shell and the bottom plate; the first assembling shell is provided with a first collecting through hole facing the collecting through groove, and the second assembling shell is provided with a second collecting through hole facing the collecting through groove;
the first finger vein acquisition module and the second finger vein acquisition module are respectively arranged in the first assembly shell and the second assembly shell and are used for acquiring finger vein information in the acquisition through groove;
and the infrared light module is arranged in the acquisition through groove.
Further, the double-finger vein recognition device further comprises a processor, a controller and at least one touch sensing module; the touch sensing module is arranged in the acquisition through groove;
the processor is in data connection with the touch sensing module and is used for acquiring sensing information of the touch sensing module, and the processor generates starting information according to the sensing information;
the controller is in control connection with the processor, the first finger vein acquisition module, the second finger vein acquisition module and the infrared optical module and is used for controlling the first finger vein acquisition module, the second finger vein acquisition module and/or the infrared optical module to be started according to the starting information.
Further, the touch sensing module comprises a first touch sensing module and a second touch sensing module; the first touch induction module and the second touch induction module are respectively arranged at the front end and the rear end of the acquisition through groove;
the processor is in data connection with the first touch sensing module and the second touch sensing module and is used for acquiring first sensing information of the first touch sensing module and second sensing information of the second touch sensing module, and the processor generates the starting information according to the first sensing information and the second sensing information;
the controller is in control connection with the processor, the first finger vein acquisition module, the second finger vein acquisition module and the infrared optical module and is used for controlling the first finger vein acquisition module, the second finger vein acquisition module and/or the infrared optical module to be started according to the starting information.
Further, the double finger vein recognition device further comprises:
a first mirror and/or a second mirror;
the first finger vein acquisition module is mounted at the bottom of the first assembling shell, the first reflector is mounted at the side of the first assembling shell, and the first reflector is obliquely arranged relative to the first finger vein acquisition module and the first acquisition through hole so as to reflect the image in the acquisition through groove to the first finger vein acquisition module;
and/or the second finger vein collection module is arranged at the bottom of the second assembling shell, the second reflector is arranged at the side of the second assembling shell, and the second reflector is obliquely arranged relative to the second finger vein collection module and the second collection through hole so as to reflect the image in the collection through groove to the second finger vein collection module.
Furthermore, the first finger vein collection module and the second finger vein collection module face the collection through groove relatively to directly collect finger vein information in the collection through groove.
Furthermore, a first assembling groove is formed in the bottom of the first assembling shell, and the first finger vein collection module is installed in the first assembling groove; and/or a second assembling groove is formed in the bottom of the second assembling shell, and the second finger vein collection module is installed in the second assembling groove.
Further, the double finger vein recognition device further comprises:
a first optical filter and/or a second optical filter;
the first optical filter is arranged in the first collecting through hole, and the second optical filter is arranged in the second collecting through hole.
Further, the first optical filter and/or the second optical filter are/is coated with an oil-repellent layer.
Furthermore, a third assembling groove is formed in the center of the bottom plate, and the infrared light module is installed in the third assembling groove.
Further, the double finger vein recognition device further comprises:
a third optical filter;
the third optical filter is installed in a notch of the third assembling groove so as to shield the infrared optical module.
In the technical scheme, when finger vein information of a finger is collected, finger vein images of the left side or the right side of the finger can be simultaneously shot, so that the data characteristics of the finger vein images are effectively increased, the method is very helpful for people with thin finger vein blood vessels, few finger vein blood vessels or little straight and curved finger vein blood vessels, and the data collection effect of the finger vein information can be greatly improved.
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 embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a front cross-sectional view of a double-finger vein recognition device according to an embodiment of the present invention;
fig. 2 is a side sectional view of a usage state of the double finger vein recognition device according to an embodiment of the present invention;
fig. 3 is a front cross-sectional view of a double finger vein recognition device according to another embodiment of the present invention;
fig. 4 is a side sectional view of a usage state of the double finger vein recognition apparatus according to another embodiment of the present invention.
Reference numerals:
1. a base plate; 2. a first fitting housing; 3. a second fitting housing; 4. collecting the through grooves; 5. a finger;
11. an infrared light module; 12. a processor; 13. a controller; 14. a touch sensing module; 15. a third optical filter;
21. a first finger vein acquisition module; 22. a first reflector; 23. a first optical filter;
31. a second finger vein collection module; 32. a second reflector; 33. a second filter.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the double finger vein recognition apparatus provided in this embodiment includes: a base plate 1; a first assembling shell 2 and a second assembling shell 3 with hollow inner cavities, wherein the first assembling shell 2 and the second assembling shell 3 are oppositely arranged at two sides of the bottom plate 1;
a collecting through groove 4 is formed among the first assembling shell 2, the second assembling shell 3 and the bottom plate 1; the first assembling shell 2 is provided with a first collecting through hole facing the collecting through groove 4, and the second assembling shell 3 is provided with a second collecting through hole facing the collecting through groove 4;
a first finger vein collection module 21 and a second finger vein collection module 31, where the first finger vein collection module 21 and the second finger vein collection module are respectively installed in the first assembly housing 2 and the second assembly housing 3, and are used for collecting finger vein information in the collection through groove 4;
and the infrared light module 11 is arranged in the collection through groove 4.
As shown in fig. 1, the double finger vein recognition apparatus employs two finger vein collection modules, i.e. a first finger vein collection module 21 and a second finger vein collection module 31, the double finger vein recognition device is different from the single camera adopted in the prior art, when the first finger vein collection module 21 and the second finger vein collection module 31 are adopted on the two opposite sides of the finger 5, for example, when the finger vein information of the finger 5 is collected simultaneously on the left side of the finger 5 or the right side of the finger 5, the finger vein images of the left side of the finger 5 or the right side of the finger 5 can be taken simultaneously, therefore, the data characteristics of the finger vein image are effectively increased, the method is very helpful for people with thin finger 5 vein blood vessels, few finger 5 vein blood vessels or few straight and bent finger 5 vein blood vessels, and the data acquisition effect of finger vein information can be greatly improved.
In the collecting process, the infrared light module 11 emits infrared light toward the finger 5 extending into the collecting through groove 4, and the infrared light penetrates through the finger 5 to obtain a vein image on the finger 5, so that the first finger vein collecting module 21 and the second finger vein collecting module 31 can conveniently collect and obtain the vein image.
It should be noted that the first finger vein collection module 21 and the second finger vein collection module 31 may select a camera or other components capable of collecting a finger vein image, and are not limited herein. In addition, when collecting the finger vein information, the finger 5 may be rotated, that is, the finger vein images of the finger abdomen and the finger back of the finger 5 may be collected, which is not limited herein.
Simultaneously, this double finger vein recognition device structurally passes through first assembly casing 2 second assembly casing 3 and constitute between bottom plate 1 and gather logical groove 4, should gather logical groove 4 and have the penetrating structure in both ends, also can not the deposition after long-time the use, it is also very convenient to clear up in addition, can keep this double finger vein recognition device's cleanness at any time, guarantees that this double finger vein recognition device has the best collection state, prevents to influence the collection effect because of dust or debris.
In addition, use the infrared lamp module of little angle of illumination, with its setting on bottom plate 1 and upwards shine from the bottom, the structure that leads to groove 4 is gathered in the cooperation, places the back in gathering logical groove 4 when finger 5, and finger 5 and infrared light module 11 closely cooperate, and the irradiation efficiency is high, can directly shine through finger 5.
In addition, because finger vein discernment still belongs to neotype identification technology than traditional fingerprint identification, most people have not touched, can be inclined to use fingerprint identification's mode to press the use during the use. The finger vein recognition principle is different from the fingerprint recognition principle, the phenomenon that the blood vessel image disappears due to the fact that the blood vessel is extruded or the phenomenon that the blood vessel image is overexposed due to the fact that light leaks occurs and the like can occur when the traditional finger vein recognition device is used in the fingerprint recognition mode, and the phenomenon that the recognition fails easily occurs in the wrong use method.
And this two finger vein recognition device is because the both ends of gathering logical groove 4 are penetrating, and first finger vein collection module 21 and second finger vein collection module 31 are gathering logical groove 4's both sides, so have very big difference with fingerprint identification's device structure, the user forms the differentiation very easily, and then can not use the mode of pressing to use this two finger vein recognition device. Even if the user places the finger 5 on the bottom plate 1 in a pressing mode, the vein vessel of the finger 5 in the identification area cannot be pressed, and the finger 5 vein image can be kept clear due to the fact that the first finger vein acquisition module 21 and the second finger vein acquisition module 31 for acquiring the finger vein image are arranged on the two sides of the acquisition through groove 4, and the acquisition of the finger vein information is not influenced.
Further, the double finger vein recognition device further comprises a processor 12, a controller 13 and at least one touch sensing module 14; the touch sensing module 14 is installed in the collection through groove 4;
the processor 12 is in data connection with the touch sensing module 14, and is configured to acquire sensing information of the touch sensing module 14, and the processor 12 generates start information according to the sensing information;
the controller 13 is in control connection with the processor 12, the first finger vein collection module 21, the second finger vein collection module 31 and the infrared optical module 11, and is configured to control the first finger vein collection module 21, the second finger vein collection module 31 and/or the infrared optical module 11 to start according to the start information.
At this time, when the finger 5 touches the touch sensing module 14, sensing information is correspondingly generated, which means that the touch sensing module 14 is touched by the finger 5 at this time, the processor 12 obtains the sensing information accordingly and generates start information for instructing the controller 13 to control the first finger vein collection module 21, the second finger vein collection module 31 and/or the infrared light module 11 to start.
Therefore, when the user places the finger 5 in the collecting through slot 4 and touches the touch sensing module 14, the first finger vein collecting module 21, the second finger vein collecting module 31 and/or the infrared light module 11 can be immediately turned on according to the preset turning-on mode.
The specific starting mode of the first finger vein collection module 21, the second finger vein collection module 31 and/or the infrared light module 11 may be set according to a requirement, for example, the first finger vein collection module 21, the second finger vein collection module 31 and the infrared light module 11 are started at the same time, or only any one or any combination of the first finger vein collection module 21, the second finger vein collection module 31 and the infrared light module 11 is started according to a requirement.
In one embodiment, the touch sensing module 14 includes a first touch sensing module 14 and a second touch sensing module 14; the first touch sensing module 14 and the second touch sensing module 14 are respectively installed at the front end and the rear end of the collecting through groove 4;
the processor 12 is in data connection with the first touch sensing module 14 and the second touch sensing module 14, and is configured to acquire first sensing information of the first touch sensing module 14 and second sensing information of the second touch sensing module 14, and the processor 12 generates the start information according to the first sensing information and the second sensing information;
the controller 13 is in control connection with the processor 12, the first finger vein collection module 21, the second finger vein collection module 31 and the infrared optical module 11, and is configured to control the first finger vein collection module 21, the second finger vein collection module 31 and/or the infrared optical module 11 to start according to the start information.
In this specific embodiment, when the finger 5 touches the first touch sensing module 14 and the second touch sensing module 14, the first touch sensing module 14 and the second touch sensing module 14 generate first sensing information and second sensing information correspondingly, which means that the first touch sensing module 14 and the second touch sensing module 14 are both touched by the finger 5 at this time, the processor 12 obtains the first sensing information and the second sensing information accordingly, and generates starting information for instructing the controller 13 to control the first finger vein collection module 21, the second finger vein collection module 31, and the infrared light module 11 to start.
Therefore, when the user places the finger 5 in the collecting through slot 4 and touches the first touch sensing module 14 and the second touch sensing module 14 at the same time, the first finger vein collecting module 21, the second finger vein collecting module 31 and the infrared light module 11 are immediately turned on. At this time, since the finger 5 touches the first touch sensing module 14 and the second touch sensing module 14 at the same time, it can be proved that the collection through groove 4 is shielded by the finger 5, the infrared light module 11 is tightly covered by the finger 5, there is no problem of light leakage, and the best collection state is achieved.
Further, the double finger vein recognition device further comprises:
the first mirror 22 and/or the second mirror 32;
the first finger vein collection module 21 is installed at the bottom of the first assembly housing 2, the first reflector 22 is installed at the side of the first assembly housing 2, and the first reflector 22 is obliquely arranged relative to the first finger vein collection module 21 and the first collection through hole so as to reflect the image in the collection through groove 4 to the first finger vein collection module 21;
and/or the second finger vein collection module 31 is installed at the bottom of the second assembly housing 3, the second reflector 32 is installed at the side of the second assembly housing 3, and the second reflector 32 is obliquely arranged relative to the second finger vein collection module 31 and the second collection through hole so as to reflect the image in the collection through groove 4 to the second finger vein collection module 31.
At this time, the first finger vein collection module 21 may indirectly collect the finger vein information in the collection through groove 4 through the first reflector 22, and the second finger vein collection module 31 may indirectly collect the finger vein information in the collection through groove 4 through the second reflector 32. The assembly method can greatly reduce the space required by the integral assembly.
While the angle between the first finger vein collection module 21 and the first mirror 22, and the angle between the second finger vein collection module 31 and the second mirror 32 may be adaptively adjusted. Preferably, the angle between the first finger vein collection module 21 and the first mirror 22 is 45 °, and the angle between the second finger vein collection module 31 and the second mirror 32 is 45 °.
At this time, the first finger vein collection module 21 and the second finger vein collection module 31 may simultaneously collect finger vein information, i.e., finger vein images or finger vein vena cava images, of the finger 5 extending into the collection through slot 4 on two opposite sides of the collection through slot 4.
Besides, the first finger vein collection module 21 and the second finger vein collection module 31 face the collection through slot 4 relatively to directly collect finger vein information in the collection through slot 4. At this time, the first and second finger vein collection modules 21 and 31 may collect finger vein information, i.e., finger vein images, or finger vein vena cava images, directly toward the collection through slot 4.
Further, a first assembling groove is formed in the bottom of the first assembling shell 2, and the first finger vein collection module 21 is installed in the first assembling groove; and/or a second assembling groove is formed in the bottom of the second assembling shell 3, and the second finger vein collection module 31 is installed in the second assembling groove. At this moment, assemble first finger vein collection module 21 and second finger vein collection module 31 through first assembly groove and second assembly groove, can improve the assembly stability of first finger vein collection module 21 and second finger vein collection module 31, make this two finger vein recognition device's overall structure more stable, the work of gathering that carries on that can be stable.
Further, the double finger vein recognition device further comprises:
the first filter 23 and/or the second filter 33; the first optical filter 23 is installed in the first collecting through hole, and the second optical filter 33 is installed in the second collecting through hole.
At this time, the first filter 23 and the second filter 33 can cut off light with wavelengths beyond 700nm to 1000nm, and after light with other wavelengths is filtered, the vein image can be clearer, and the detection success rate is improved.
Further, the first filter 23 and/or the second filter 33 are coated with a hydrophobic layer. At this time, the oil-repellent layer can prevent finger print from being left by the finger 5 erroneously touching the first filter 23 and the second filter 33 on both sides during use.
Further, a third assembling groove is formed in the center of the bottom plate 1, and the infrared optical module 11 is installed in the third assembling groove. Similarly, the infrared optical module 11 is assembled through the third assembly groove, so that the assembly stability of the infrared optical module 11 can be improved, the overall structure of the double-finger vein recognition device is more stable, and the collection work can be stably performed.
Further, the double finger vein recognition device further comprises:
a third filter 15; the third filter 15 is installed in a notch of the third assembly groove to shield the infrared light module 11.
Similarly, the third filter 15 can cut off light with a wavelength of 700nm to 1000nm, and after light with other wavelengths is filtered, the vein image can be clearer, and the detection success rate is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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 or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A double finger vein recognition apparatus, comprising:
a base plate;
the first assembling shell and the second assembling shell are oppositely arranged on two sides of the bottom plate;
a collecting through groove is formed among the first assembling shell, the second assembling shell and the bottom plate; the first assembling shell is provided with a first collecting through hole facing the collecting through groove, and the second assembling shell is provided with a second collecting through hole facing the collecting through groove;
the first finger vein acquisition module and the second finger vein acquisition module are respectively arranged in the first assembly shell and the second assembly shell and are used for acquiring finger vein information in the acquisition through groove;
and the infrared light module is arranged in the acquisition through groove.
2. The double finger vein recognition device of claim 1, further comprising a processor, a controller, and at least one touch sensing module; the touch sensing module is arranged in the acquisition through groove;
the processor is in data connection with the touch sensing module and is used for acquiring sensing information of the touch sensing module, and the processor generates starting information according to the sensing information;
the controller is in control connection with the processor, the first finger vein acquisition module, the second finger vein acquisition module and the infrared optical module and is used for controlling the first finger vein acquisition module, the second finger vein acquisition module and/or the infrared optical module to be started according to the starting information.
3. The double finger vein recognition device of claim 2, wherein the touch sensing module comprises a first touch sensing module and a second touch sensing module; the first touch induction module and the second touch induction module are respectively arranged at the front end and the rear end of the acquisition through groove;
the processor is in data connection with the first touch sensing module and the second touch sensing module and is used for acquiring first sensing information of the first touch sensing module and second sensing information of the second touch sensing module, and the processor generates the starting information according to the first sensing information and the second sensing information;
the controller is in control connection with the processor, the first finger vein acquisition module, the second finger vein acquisition module and the infrared optical module and is used for controlling the first finger vein acquisition module, the second finger vein acquisition module and/or the infrared optical module to be started according to the starting information.
4. The double finger vein identification device according to any one of claims 1-3, further comprising:
a first mirror and/or a second mirror;
the first finger vein acquisition module is mounted at the bottom of the first assembling shell, the first reflector is mounted at the side of the first assembling shell, and the first reflector is obliquely arranged relative to the first finger vein acquisition module and the first acquisition through hole so as to reflect the image in the acquisition through groove to the first finger vein acquisition module;
and/or the second finger vein collection module is arranged at the bottom of the second assembling shell, the second reflector is arranged at the side of the second assembling shell, and the second reflector is obliquely arranged relative to the second finger vein collection module and the second collection through hole so as to reflect the image in the collection through groove to the second finger vein collection module.
5. The double finger vein identification device according to any one of claims 1-3, wherein the first finger vein collection module and the second finger vein collection module face opposite to the collection channel to directly collect finger vein information in the collection channel.
6. The double finger vein identification device according to claim 4, wherein the bottom of the first assembling housing is provided with a first assembling groove, and the first finger vein collection module is installed in the first assembling groove; and/or a second assembling groove is formed in the bottom of the second assembling shell, and the second finger vein collection module is installed in the second assembling groove.
7. The double finger vein recognition device of claim 4, further comprising:
a first optical filter and/or a second optical filter;
the first optical filter is arranged in the first collecting through hole, and the second optical filter is arranged in the second collecting through hole.
8. The double finger vein recognition device of claim 7, wherein the first filter and/or the second filter is coated with an oil-repellent layer.
9. The double finger vein identification device according to claim 4, wherein a third fitting groove is provided at the center of the base plate, and the infrared light module is mounted in the third fitting groove.
10. The double finger vein recognition device of claim 9, further comprising:
a third optical filter;
the third optical filter is installed in a notch of the third assembling groove so as to shield the infrared optical module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922149737.0U CN210776732U (en) | 2019-12-04 | 2019-12-04 | Double-finger vein recognition device |
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| CN201922149737.0U CN210776732U (en) | 2019-12-04 | 2019-12-04 | Double-finger vein recognition device |
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| CN210776732U true CN210776732U (en) | 2020-06-16 |
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