CN206991331U - It is a kind of to can be used for door lock, the finger vena identification module of bin - Google Patents
It is a kind of to can be used for door lock, the finger vena identification module of bin Download PDFInfo
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- CN206991331U CN206991331U CN201621479314.5U CN201621479314U CN206991331U CN 206991331 U CN206991331 U CN 206991331U CN 201621479314 U CN201621479314 U CN 201621479314U CN 206991331 U CN206991331 U CN 206991331U
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Abstract
The utility model is related to it is a kind of can be used for door lock, the finger vena identification module of bin, including：Guide channel, guide channel is provided with the cavity volume with finger match, and is provided with position detection unit；Near-infrared light source, for launching near infrared light, to irradiate the finger of guide channel placement, generate finger venous image；Image unit, finger vein image are acquired；Control process unit, electrically connected respectively with position detection unit, near-infrared light source and image unit, signal is placed to receive the finger sent from position detection unit, control signal is sent to near-infrared light source, and receive the finger venous image signal sent from image unit, and then finger venous image signal is compared with the finger vein features data to prestore, confirm the identity of user.It is provided by the utility model to can be used for door lock, the finger vena identification module of bin to realize door lock, the miniaturization of bin, the requirement of low-power consumption, simple, automaticity height is used and manipulates, resolution is accurate.
Description
Technical field
It the utility model is related to a kind of available for door lock, the finger vena identification module of bin.
Background technology
Finger vein identification technology is a kind of uniqueness and stability based on finger vena, by comparing finger vena figure
As identifying different personal biological identification technologies.There is finger vena information to be located at the extremely difficult leakage of finger interior, biological information for it
The advantages of safe, growing is a kind of widely used identity identifying technology.
The bin such as door lock and safety box, the file cabinet visual plant safe as the person, property is ensured, application market are wide
It is wealthy.Finger vein identification technology is applied into door lock and bin will be greatly improved its security, more sound assurance person property
Safety.But currently marketed hand vein recognition product is limited by self-technique, can not provide be applicable door lock, bin it is small-sized
Change, low-power consumption finger vena identification module.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of finger vena identification available for door lock, bin
Module.Concrete scheme of the present utility model is as follows to achieve the above object：
It is a kind of can be used for door lock, the finger vena identification module of bin, including：
Guide channel, the guide channel is provided with the cavity volume with finger match to place finger, and is provided with position detection unit, with
Guiding finger is placed on the position of recommendation, reduces hand vein recognition according to sincere；
Near-infrared light source, for launching near infrared light, to irradiate the finger that the guide channel is placed, generate finger vena figure
Picture；
Image unit, the finger venous image is acquired；
Control process unit, electrically connected respectively with the position detection unit, near-infrared light source and image unit, to connect
Receive from the position detection unit send finger place signal, to the near-infrared light source send control signal, and receive from
The finger venous image signal that the image unit is sent, and then by the finger venous image signal and the finger vena to prestore
Characteristic is compared, and confirms the identity of user.
Preferably, in addition to main control unit, the main control unit are electrically connected with the control process unit, received from described
The comparison result that control process unit is sent；The main control unit be provided with input block, output unit, with by main control unit to
The control process unit sends control signal；The main control unit also electrically connects with performing structure, controls the execution structure.
Preferably, in addition to concentrating component, the concentrating component are located on the light direction of the near-infrared light source, will
The near infrared light of the near-infrared light source transmitting converges to the finger that the guide channel is placed.
Preferably, in addition to optical filter, the optical filter is between the guide channel and the image unit, or integrated
In the image unit, to filter non-near infrared light, the light of other wavelength is prevented through interference imaging effect.
Preferably, in addition to speculum, the speculum are located on the imaging direction of finger venous image, by the hand
Refer to vein image and reflex to the image unit, and then shorten the thickness of light path structure.This patent product is that door lock, bin are used
Finger vena identification module, used scene are higher to the thickness requirement of finger fore-and-aft direction, therefore use and speculum is put
It is placed on close to the lower section of finger tip side, this purpose can be effectively accomplished.
Preferably, the position detection unit only has the position detection unit in the standby state equipped with independent current source
It is in running order, effectively to reduce quiescent dissipation.
Preferably, the guide channel is provided with opposing contacts or touch article, in order to user by the contact or touch article come
Close rule and place finger.
Preferably, the position detection unit is approached using capacitive influence sensor, infrared induction sensor or ultrasonic wave
Sensor.
It is provided by the utility model available for door lock, the finger vena identification module of bin realize door lock, bin it is small
Type, the requirement of low-power consumption, use and manipulate simple, automaticity height, and resolution is accurate.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding to of the present utility model, forms the part of the application,
Do not form to improper restriction of the present utility model, in the accompanying drawings：
Fig. 1 is the utility model embodiment structural representation；
Fig. 2 is the utility model embodiment module diagram；
Fig. 3 is the utility model embodiment modular circuit theory diagram.
Embodiment
The utility model is described in detail below in conjunction with accompanying drawing and specific embodiment, herein signal of the present utility model
Property embodiment and explanation be used for explaining the utility model, but be not intended as to restriction of the present utility model.
Embodiment
As shown in Figure 1, 2, it is a kind of to can be used for door lock, the finger vena identification module of bin, including guide channel 1, near-infrared
Light source 2, image unit 3, control process unit 7 and for fixed fixation kit etc. form, wherein：
Guide channel 1, the guide channel 1 is provided with the cavity volume with finger match to place finger 100, and is provided with position testing unit
Member 11, the position detection unit uses capacitive influence sensor, infrared induction sensor or ultrasonic wave proximity transducer, to lead
Draw the position that finger is placed on recommendation, reduce hand vein recognition according to sincere；It can act also as the dormancy mould from economize on electricity by door lock or bin
The trigger that formula wakes up；
Near-infrared light source 2, for launching near infrared light, to irradiate the finger that the guide channel 1 is placed, generate finger vena
Image；The near-infrared light source can be placed on opposite side of the finger relative to image unit, can also be placed on finger
Both sides；
Image unit 3, the finger venous image is acquired；
Control process unit, electrically connected respectively with the position detection unit 11, near-infrared light source 2 and image unit 3,
Signal is placed to receive the finger sent from the position detection unit 11, control signal is sent to the near-infrared light source 2, and
The finger venous image signal sent from the image unit 3 is received, and then by the finger venous image signal and is prestored
Finger vein features data are compared, and confirm the identity of user.
As the improvement of above-described embodiment scheme, in addition to main control unit, the main control unit and the control process list
Member electrical connection, receives the comparison result sent from the control process unit；The main control unit is provided with input block, output list
Member, to send control signal to the control process unit by main control unit；The main control unit is also electrically connected with performing structure
Connect, control the execution structure.
As the improvement of above-described embodiment scheme, in addition to concentrating component 4, the concentrating component 4 is located at the near-infrared
On the light direction of light source 2, the near infrared light that the near-infrared light source 2 is launched is converged into the hand that the guide channel 1 places
Refer to.
As the improvement of above-described embodiment scheme, in addition to optical filter 5, the optical filter 5 is located at the guide channel 1 and institute
Between stating image unit 3, or it is integrated in the image unit 3, to filter non-near infrared light, prevents the light of other wavelength saturating
Cross interference imaging effect.
As the improvement of above-described embodiment scheme, in addition to speculum 6, the speculum 6 is located at finger venous image
On imaging direction, the finger venous image is reflexed into the image unit 3, and then shorten the thickness of light path structure.It is real
Showed image unit 3 gather finger venous image optical texture miniaturization, make do not change present mainstream electronic door lock and
Under the dimensional conditions of safety cabinet, become possibility using finger vein identification technology.
As the improvement of above-described embodiment scheme, the position detection unit 11 is equipped with independent current source, with described in realization
The quiescent dissipation of position detection unit 11.Generally (it is non-using finger do finger vena identification unlocking open cabinet door during),
The at most only finger position detection sensor energization work of finger vena identification module, and the static state of finger position detection sensor
Power consumption can accomplish the order of magnitude (such as operating current 3uA, 3V power supply of the capacitance sensor of certain home brands) of several milliwatts, this
Sample ensure that the extremely low quiescent dissipation of finger vena identification module, and finger vena identification module is applied to door lock and bin turns into
May.
As the improvement of above-described embodiment scheme, the guide channel 1 is provided with opposing contacts or touch article, in order to which user is led to
Cross the contact or touch article and place finger to close rule.
In above-described embodiment scheme, in use, finger position detection sensor detects the finger being placed in guide channel 1
The main control unit of door lock or bin will be notified to handle；Door lock or bin main control unit receive finger position detection sensor
There are the information that finger is placed or the input signal (such as certain key-press input) that other peripheral hardwares are arranged, finger vena knowledge will be started
Other module (in addition to finger position detection sensor)；What finger vena identification module response door lock or bin main control unit were sent tests
Information is demonstrate,proved, control process unit judges whether there is the finger for closing rule and placing in guide channel 1 by finger position detection sensor：Such as
Fruit is that control process unit control finger vena collection portion image unit 3 shoots finger venous image, otherwise notifies door lock or case
Cabinet main control unit, no finger is placed or finger is placed and do not conform to rule；The hand of control process cell processing finger vena collection portion collection
Refer to vein picture generation finger vein features data, compare finger vein features data authentication user's identity, notify door lock or
Bin main control unit authentication result；If user is authorized user, door lock or safety cabinet main control unit control itself execution machine
Structure unlocks (untiing bin close mechanism).
Used by the present embodiment in technical scheme, the principle of vein identification technology is that the hemoglobin in blood has
The speciality of infrared ray is absorbed, the imaging sensor for having near infrared ray sensitivity is photographed against finger, you can nearly red
The finger vena blood vessel that outside line is shone takes out image.Blood-vessel image is subjected to digital processing, finger venous image data are made,
Data are processed, generate unique characteristic --- finger vein features data.Deposited with module is stored in
Finger vein features comparing in reservoir, vein pattern is matched using the matching algorithm of complexity, so as to enter to individual
Row identity authentication, confirm identity.Overall process is using contactless.
Near-infrared light source 2 irradiates finger, imaging sensor shooting finger venous image, core processor processing finger vena
Image, generate finger vein features data；Core processor matches finger vein features data with comparing in memory,
So as to carry out identity authentication to individual, identity is confirmed.
As shown in figure 3, after module electrifying startup, it is constantly in and waits host computer (being door lock or bin main control unit here)
Order block of state receive host computer transmission checking information after, module control process unit pass through finger position detection pass
Whether sensor, which judges to have in guide channel 1, closes the finger that rule are placed：If it is, control process unit control finger vena collection portion is taken the photograph
As the shooting finger venous image of unit 3, otherwise notify that host computer is placed without finger or finger is placed and do not conform to rule；
The finger vena picture of control process cell processing finger vena collection portion collection, generates finger vein features number
According to, matched with comparing in module storage, so that identity authentication is carried out to individual, confirmation identity；
After module confirms user's identity, host computer hand vein recognition result is notified；
If user is authorized user, bin closure machine is unlocked or untied to the action of PC control itself executing agency (
Structure), otherwise prompt that user is unregistered or unauthorized.
The technical scheme provided above the utility model embodiment is described in detail, used herein specifically
Individual example is set forth to the principle and embodiment of the utility model embodiment, and the explanation of above example is only applicable to help
Assistant solves the principle of the utility model embodiment；Meanwhile for those of ordinary skill in the art, implement according to the utility model
Example, the there will be changes in embodiment and application, in summary, this specification content should not be construed as
To limitation of the present utility model.
Claims (8)
1. a kind of can be used for door lock, the finger vena identification module of bin, it is characterised in that including：
Guide channel, the guide channel is provided with the cavity volume with finger match to place finger, and is provided with position detection unit, with guiding
Finger is placed on the position of recommendation, reduces hand vein recognition according to sincere；
Near-infrared light source, for launching near infrared light, to irradiate the finger that the guide channel is placed, finger venous image is generated,
The near-infrared light source can be placed on opposite side of the finger relative to image unit, can also be placed on the both sides of finger；
Image unit, the finger venous image is acquired；
Control process unit, electrically connected respectively with the position detection unit, near-infrared light source and image unit, with receive from
The finger that the position detection unit is sent places signal, sends control signal to the near-infrared light source, and receive from described
The finger venous image signal that image unit is sent, and then by the finger venous image signal and the finger vein features that prestore
Data are compared, and confirm the identity of user.
It is 2. as claimed in claim 1 a kind of available for door lock, the finger vena identification module of bin, it is characterised in that：Also wrap
Main control unit is included, the main control unit electrically connects with the control process unit, receives what is sent from the control process unit
Comparison result；The main control unit is provided with input block, output unit, to be sent out by main control unit to the control process unit
Send control signal；The main control unit also electrically connects with performing structure, controls the execution structure.
It is 3. as claimed in claim 1 a kind of available for door lock, the finger vena identification module of bin, it is characterised in that：Also wrap
Concentrating component is included, the concentrating component is located on the light direction of the near-infrared light source, the near-infrared light source is launched
Near infrared light converge to the finger that the guide channel is placed.
It is 4. as claimed in claim 1 a kind of available for door lock, the finger vena identification module of bin, it is characterised in that：Also wrap
Optical filter is included, the optical filter is between the guide channel and the image unit, or is integrated in the image unit, with
Non- near infrared light is filtered, prevents the light of other wavelength through interference imaging effect.
It is 5. as claimed in claim 1 a kind of available for door lock, the finger vena identification module of bin, it is characterised in that：Also wrap
Speculum is included, the speculum is located on the imaging direction of finger venous image, and the finger venous image is reflexed into institute
Image unit is stated, and then shortens the thickness of light path structure.
It is 6. as claimed in claim 1 a kind of available for door lock, the finger vena identification module of bin, it is characterised in that：It is described
Position detection unit only has the position detection unit in running order, with effective in the standby state equipped with independent current source
Reduce quiescent dissipation.
It is 7. as claimed in claim 1 a kind of available for door lock, the finger vena identification module of bin, it is characterised in that：It is described
Guide channel is provided with opposing contacts or touch article, in order to which user places finger by the contact or touch article to close rule.
It is 8. as claimed in claim 1 a kind of available for door lock, the finger vena identification module of bin, it is characterised in that：It is described
Position detection unit uses capacitive influence sensor, infrared induction sensor or ultrasonic wave proximity transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479314.5U CN206991331U (en) | 2016-12-30 | 2016-12-30 | It is a kind of to can be used for door lock, the finger vena identification module of bin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621479314.5U CN206991331U (en) | 2016-12-30 | 2016-12-30 | It is a kind of to can be used for door lock, the finger vena identification module of bin |
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| Publication Number | Publication Date |
|---|---|
| CN206991331U true CN206991331U (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621479314.5U Active CN206991331U (en) | 2016-12-30 | 2016-12-30 | It is a kind of to can be used for door lock, the finger vena identification module of bin |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171858A (en) * | 2018-02-13 | 2018-06-15 | 南京东屋电气有限公司 | A kind of automobile door lock with separate type infrared image acquisition device |
| CN110210395A (en) * | 2019-05-31 | 2019-09-06 | Oppo广东移动通信有限公司 | Vein image acquisition method and Related product |
| CN110637303A (en) * | 2018-02-13 | 2019-12-31 | 闵浩 | Infrared physiological characteristic image acquisition device and door lock with same |
| CN110688932A (en) * | 2019-09-20 | 2020-01-14 | 威海华菱光电股份有限公司 | Vein recognition method and device |
-
2016
- 2016-12-30 CN CN201621479314.5U patent/CN206991331U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171858A (en) * | 2018-02-13 | 2018-06-15 | 南京东屋电气有限公司 | A kind of automobile door lock with separate type infrared image acquisition device |
| CN110637303A (en) * | 2018-02-13 | 2019-12-31 | 闵浩 | Infrared physiological characteristic image acquisition device and door lock with same |
| CN110210395A (en) * | 2019-05-31 | 2019-09-06 | Oppo广东移动通信有限公司 | Vein image acquisition method and Related product |
| CN110688932A (en) * | 2019-09-20 | 2020-01-14 | 威海华菱光电股份有限公司 | Vein recognition method and device |
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Address after: 510000 603, 604 house, 1 building, Tianan headquarters center, 555 Panyu Road North, Panyu District, Guangzhou, Guangdong. Patentee after: Guangzhou micro shield Polytron Technologies Inc Address before: 510000 603, 604 house, 1 building, Tianan headquarters center, 555 Panyu Road North, Panyu District, Guangzhou, Guangdong. Patentee before: Guangzhou micro shield Biological Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190905 Address after: 644000 West Section of Changjiang North Road, Lingang Jingkai District, Yibin City, Sichuan Province Patentee after: Sichuan Microshield Intelligent Technology Co., Ltd. Address before: 510000 Room 603, 604, Building 1, Tian'an Headquarters Center, 555 North Panyu Avenue, Donghuan Street, Panyu District, Guangzhou City, Guangdong Province Patentee before: Guangzhou micro shield Polytron Technologies Inc |