CN205028362U - Vena metacarpea access control system - Google Patents
Vena metacarpea access control system Download PDFInfo
- Publication number
- CN205028362U CN205028362U CN201520645520.8U CN201520645520U CN205028362U CN 205028362 U CN205028362 U CN 205028362U CN 201520645520 U CN201520645520 U CN 201520645520U CN 205028362 U CN205028362 U CN 205028362U
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- Prior art keywords
- module
- vena metacarpea
- electrically connected
- processing module
- control system
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- 239000011248 coating agent Substances 0.000 claims abstract description 7
- 238000000576 coating method Methods 0.000 claims abstract description 7
- 230000003287 optical effect Effects 0.000 claims abstract description 4
- 210000000707 wrist Anatomy 0.000 claims description 6
- 230000005764 inhibitory process Effects 0.000 claims description 3
- 210000003462 vein Anatomy 0.000 abstract description 8
- 238000001228 spectrum Methods 0.000 abstract description 5
- 238000005286 illumination Methods 0.000 abstract description 4
- 230000005611 electricity Effects 0.000 abstract 3
- 238000001914 filtration Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
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Abstract
The utility model discloses a vena metacarpea access control system, the system including palm vein image acquisition terminal, with the image processing module that palm vein image acquisition terminal electricity is connected, with the central processing module that the image processing module electricity is connected, with the matching analysis module that the central processing module electricity is connected, with the electric sample library module of being connected of matching analysis module, entrance guard's switch module and acousto -optic warning module are connected with central processing module is electric, the utility model discloses a vena metacarpea access control system, the module takes place for the PWM that the setting of its palm vein image acquisition terminal has microprocessor, makes the spectrum in near infrared source adjustable, set up the light guide plate, make illumination even, coating optical filtering coating improves the image quality on the light guide plate.
Description
Technical field
The utility model belongs to gate control system technical field, relates to a kind of vena metacarpea gate control system in this field specifically.
Background technology
Palm vein image identification is a kind of by near infrared light finger, the back of the hand, palm, imageing sensor acquisition vein distributed image is utilized to carry out the biological identification technology of match cognization, vein image identification have discrimination high, contactless collection can be carried out, the advantage such as vivo identification cannot be forged, biological characteristic is not easily stolen, thus palm vein image identification is specially adapted to the higher place of safe class coefficient.
The gate control system of palm vein recognition technical is adopted to there is the spectrum of acquisition terminal in prior art non-adjustable, the problem that uneven illumination is even, image quality is not high.
Utility model content
Technical problem to be solved in the utility model, is just to provide the vena metacarpea gate control system that a kind of spectrum is adjustable.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of vena metacarpea gate control system, its improvements are: described system comprises vena metacarpea image acquisition terminal, the image processing module be electrically connected with vena metacarpea image acquisition terminal, the central processing module be electrically connected with image processing module, the matching analysis module be electrically connected with central processing module, the sample library module be electrically connected with matching analysis module, gate inhibition's switch module and acousto-optic alarm module are electrically connected with central processing module, described vena metacarpea image acquisition terminal comprises shell, electric unit near-infrared light source being set in shell and being electrically connected with near-infrared light source, described electric unit comprises the electronic trigger be connected with power electric, this electronic trigger is electrically connected with near-infrared light source by there is module with the PWM of microprocessor, the side that shell is relative with near-infrared light source arranges light guide plate on the surface, this light guide plate applies filter coating, two ends shell being arranged a side surface of light guide plate also arrange C type wrist fixed part and wave tank finger fixed part respectively.
Further, described C type wrist fixed part and wave tank finger fixed part are flexibly connected with between shell.
Further, the degree of depth of described wave tank finger fixed part is 3cm-5cm.
Further, key-press module module occurring with PWM and is electrically connected also is comprised.
Further, the length of described light guide plate is 2 × (L-1) × tg ω, and L is the distance of near-infrared light source and light guide plate, and ω is the optical field of view angle of near-infrared light source.
The beneficial effects of the utility model are:
Vena metacarpea gate control system disclosed in the utility model, there is module in the PWM that its vena metacarpea image acquisition terminal is provided with microprocessor, makes the spectrum of near-infrared light source adjustable; Light guide plate is set, makes uniform illumination; Light guide plate applies filter coating, improves image quality.
Accompanying drawing explanation
Fig. 1 is the structural representation of the vena metacarpea gate control system disclosed in the utility model embodiment 1;
Fig. 2 is the structural representation of the vena metacarpea image acquisition terminal of vena metacarpea gate control system disclosed in the utility model embodiment 1.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment 1, as shown in Figure 1, present embodiment discloses a kind of vena metacarpea gate control system, this system comprises vena metacarpea image acquisition terminal, the image processing module be electrically connected with vena metacarpea image acquisition terminal, the central processing module be electrically connected with image processing module, the matching analysis module be electrically connected with central processing module, the sample library module be electrically connected with matching analysis module, gate inhibition's switch module and acousto-optic alarm module are electrically connected with central processing module.
As shown in Figure 2, described vena metacarpea image acquisition terminal comprises shell 1, electric unit near-infrared light source 2 being set in shell and being electrically connected with near-infrared light source, described electric unit comprises the electronic trigger be connected with power electric, this electronic trigger is electrically connected with near-infrared light source by there is module with the PWM of microprocessor, the side that shell is relative with near-infrared light source arranges light guide plate 3 on the surface, this light guide plate applies filter coating, two ends shell being arranged a side surface of light guide plate also arrange C type wrist fixed part 4 and wave tank finger fixed part 5 respectively.Described C type wrist fixed part and wave tank finger fixed part are flexibly connected with between shell.The degree of depth of described wave tank finger fixed part is 4cm.Also comprise key-press module module occurring with PWM and is electrically connected.The length of described light guide plate is 2 × (L-1) × tg ω, and L is the distance of near-infrared light source and light guide plate, and ω is the optical field of view angle of near-infrared light source.
Vena metacarpea gate control system disclosed in the present embodiment, there is module in the PWM that its vena metacarpea image acquisition terminal is provided with microprocessor, makes the spectrum of near-infrared light source adjustable; Light guide plate is set, makes uniform illumination; Light guide plate applies filter coating, improves image quality.
Claims (5)
1. a vena metacarpea gate control system, it is characterized in that: described system comprises vena metacarpea image acquisition terminal, the image processing module be electrically connected with vena metacarpea image acquisition terminal, the central processing module be electrically connected with image processing module, the matching analysis module be electrically connected with central processing module, the sample library module be electrically connected with matching analysis module, gate inhibition's switch module and acousto-optic alarm module are electrically connected with central processing module, described vena metacarpea image acquisition terminal comprises shell, electric unit near-infrared light source being set in shell and being electrically connected with near-infrared light source, described electric unit comprises the electronic trigger be connected with power electric, this electronic trigger is electrically connected with near-infrared light source by there is module with the PWM of microprocessor, the side that shell is relative with near-infrared light source arranges light guide plate on the surface, this light guide plate applies filter coating, two ends shell being arranged a side surface of light guide plate also arrange C type wrist fixed part and wave tank finger fixed part respectively.
2. vena metacarpea gate control system according to claim 1, is characterized in that: described C type wrist fixed part and wave tank finger fixed part are flexibly connected with between shell.
3. vena metacarpea gate control system according to claim 1, is characterized in that: the degree of depth of described wave tank finger fixed part is 3cm-5cm.
4. vena metacarpea gate control system according to claim 1, is characterized in that: also comprise key-press module module occurring with PWM and is electrically connected.
5. vena metacarpea gate control system according to claim 1, is characterized in that: the length of described light guide plate is 2 × (L-1) × tg ω, and L is the distance of near-infrared light source and light guide plate, and ω is the optical field of view angle of near-infrared light source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645520.8U CN205028362U (en) | 2015-08-25 | 2015-08-25 | Vena metacarpea access control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520645520.8U CN205028362U (en) | 2015-08-25 | 2015-08-25 | Vena metacarpea access control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205028362U true CN205028362U (en) | 2016-02-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520645520.8U Expired - Fee Related CN205028362U (en) | 2015-08-25 | 2015-08-25 | Vena metacarpea access control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205028362U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844752A (en) * | 2016-04-05 | 2016-08-10 | 福建天晴数码有限公司 | Hand-shaped vertical access control switch |
| CN110021100A (en) * | 2019-03-14 | 2019-07-16 | 深兰科技（上海）有限公司 | A kind of entrance guard device |
-
2015
- 2015-08-25 CN CN201520645520.8U patent/CN205028362U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105844752A (en) * | 2016-04-05 | 2016-08-10 | 福建天晴数码有限公司 | Hand-shaped vertical access control switch |
| CN110021100A (en) * | 2019-03-14 | 2019-07-16 | 深兰科技（上海）有限公司 | A kind of entrance guard device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20180825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |