CN205809885U - Fingerprint Identification Unit control circuit - Google Patents
Fingerprint Identification Unit control circuit Download PDFInfo
- Publication number
- CN205809885U CN205809885U CN201620570118.2U CN201620570118U CN205809885U CN 205809885 U CN205809885 U CN 205809885U CN 201620570118 U CN201620570118 U CN 201620570118U CN 205809885 U CN205809885 U CN 205809885U
- Authority
- CN
- China
- Prior art keywords
- module
- fingerprint
- touch
- identification unit
- control circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Image Input (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a kind of Fingerprint Identification Unit control circuit, including: living body finger print detection module, there is a touch-sensitive panel, for when detecting that living body pressurization is in touch-sensitive panel, generate a detection signal；Fingerprint acquisition module, including a photographic head, for the live body in touch-sensitive panel carries out Image Acquisition, and generates corresponding image information；Fingerprint storage module, is used for storing finger print information；Central processing module, enables fingerprint acquisition module in response to described detection signal, and receives image information from fingerprint acquisition module, this image information to be mated with the finger print information in memory module, and export correspondingly match information according to matching result；And in response to described detection signal, export a touch signal.This utility model has the features such as reasonable, the safety of recognition method.
Description
Technical field
This utility model relates to fingerprint identification technology, more specifically, it relates to a kind of Fingerprint Identification Unit control circuit.
Background technology
Fingerprint recognition is based on the living body finger print biological characteristic that individual is different, carries out a kind of biology of identity validation and checking
Recognition method.Owing to everyone fingerprint is different, it is simply that between ten fingers of same people, fingerprint is also clearly distinguished from, this fingerprint
Unchangeable property, uniqueness and convenience, make fingerprint become everyone is had the most simply, the safest, maintain secrecy most one
Plant password.At present, the most relatively conventional fingerprint recognition mode is optical identification, i.e. utilizes photographic head to carry out the fingerprint to finger
Position carries out Image Acquisition, then is analyzed processing by image information transmission to corresponding processor.This mode exists relatively
A big drawback, i.e. lawless person easily utilize the materials such as silica gel to replicate fingerprint, then utilize the fingerprint of forgery to evaluator
On be identified, equally can by checking.Accordingly, it is desirable to provide a kind of reasonably scheme, solve above-mentioned drawback.
Utility model content
The deficiency existed for prior art, the purpose of this utility model is to provide a kind of Fingerprint Identification Unit to control electricity
Road, it has the features such as reasonable, the safety of recognition method.
For achieving the above object, this utility model provides following technical scheme:
A kind of Fingerprint Identification Unit control circuit, including:
Living body finger print detection module, has a touch-sensitive panel, for detecting that living body pressurization is in touch-sensitive panel
Time, generate a detection signal；
Fingerprint acquisition module, including a photographic head, for the live body in touch-sensitive panel is carried out Image Acquisition, and generates
Corresponding image information；
Fingerprint storage module, is used for storing finger print information；
Central processing module, enables fingerprint acquisition module in response to described detection signal, and receives from fingerprint acquisition module
Image information, so that this image information is mated with the finger print information in memory module and corresponding according to matching result output
Ground match information；And in response to described detection signal, export a touch signal.
By above technical scheme, only when live finger touches in this touch-sensitive panel, central processing module is
Photographic head can be enabled to carry out Image Acquisition, and then avoid lawless people and utilize what the finger print information forged carried out verifying to ask
Topic.
Further, described central processing module uses single-chip microcomputer, and its model is AS608_QCCF32.
Further, the model of described photographic head is GC0328.
Further, the single channel capacitance touch sensing that described living body finger print detection module uses controls switch IC, its
Model is RH6015.
By above technical scheme, after touch-sensitive panel is connected on IC, when the finger of people is pressed into touch-sensitive panel
Time upper, this IC i.e. can export and detect signal accordingly.
Further, also include LED lamp control module, described LED lamp control module include the first resistance, the second resistance with
And PNP triode；Wherein, described one end of first resistance couples with the base stage of PNP triode, the other end and central processing module
Couple；Described one end of second resistance couples with the emitter stage of PNP triode, and the other end couples with central processing module；Described
The emitter stage of PNP triode is coupled to VCC voltage.
By above technical scheme, the exportable base stage controlling signal to PNP triode accordingly of central processing module, control
Make its conducting, then drive external LED luminous.
Further, also include that UART modular converter, described UART modular converter couple with central processing module.
By above technical scheme, central processing module can carry out communication by UART modular converter and external equipment, enter
And corresponding match information can be sent to external equipment.
Accompanying drawing explanation
Fig. 1 is the module principle figure of Fingerprint Identification Unit control circuit；
Fig. 2 is the circuit diagram of living body finger print detection module；
Fig. 3 is the circuit diagram of fingerprint acquisition module；
Fig. 4 is the circuit diagram of central processing module；
Fig. 5 is the circuit diagram of UART modular converter；
Fig. 6 is the circuit diagram of LED lamp control module.
Reference: 1, touch-sensitive panel.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, but reality of the present utility model
The mode of executing is not limited only to this.
With reference to Fig. 1, a kind of Fingerprint Identification Unit control circuit, including central processing module, living body finger print detection module, fingerprint
Acquisition module, fingerprint storage module, LED lamp control module, UART modular converter and power management module.
With reference to Fig. 2, the single channel capacitance touch sensing that living body finger print detection module uses controls switch IC, and its model is
3rd pin of RH6015, this IC connects a touch-sensitive panel 1, when there being live finger to be pressed against in touch-sensitive panel 1, and should
IC is from its 1st pin output one detection signal.
With reference to Fig. 3, fingerprint acquisition module includes a photographic head, and the model of photographic head is GC0328, for touch sensible
Live body on plate carries out Image Acquisition, and generates corresponding image information.
With reference to Fig. 4, central processing module uses single-chip microcomputer, and its model is AS608_QCCF32, opens in response to detection signal
Use fingerprint acquisition module, and receive image information from fingerprint acquisition module, with by this image information and the fingerprint in memory module
Information is mated, and exports correspondingly match information according to matching result；And in response to detection signal, output one touch letter
Number.
Including receiving portion and transmitting portion with reference to Fig. 5, UART modular converter, wherein, transmitting portion includes NPN audion
The base stage of Q3 and NPN audion Q2, NPN audion Q3 is coupled with CPU by resistance R16, and colelctor electrode passes through resistance
R14 is coupled to 3.3V voltage, grounded collector；The base stage of NPN audion Q2 is coupled to the colelctor electrode of NPN audion Q3, launches
Pole ground connection, colelctor electrode is coupled to 3.3V voltage by resistance R15.The colelctor electrode of NPN audion Q2 then sends as data
Port.Receiving portion is identical with the circuit structure of transmitting portion, does not repeats them here.Therefore, central processing module can pass through
UART modular converter and external equipment carry out communication, and then can send corresponding match information to external equipment, Jin Ergao
Know external equipment matching result.
With reference to Fig. 6, LED lamp control module includes resistance R6, resistance R7 and PNP triode Q1；Wherein, the one of resistance R6
Holding the base stage with PNP triode Q1 to couple, the other end couples with central processing module；One end of resistance R7 and PNP triode Q1
Emitter stage couple, the other end couples with central processing module；The emitter stage of PNP triode Q1 is coupled to VCC voltage.
Claims (6)
1. a Fingerprint Identification Unit control circuit, is characterized in that, including:
Living body finger print detection module, has a touch-sensitive panel, for when detecting that living body pressurization is in touch-sensitive panel, raw
Become a detection signal；
Fingerprint acquisition module, including a photographic head, for the live body in touch-sensitive panel carries out Image Acquisition, and generates corresponding
Image information；
Fingerprint storage module, is used for storing finger print information；
Central processing module, enables fingerprint acquisition module in response to described detection signal, and receives image from fingerprint acquisition module
Information, to mate this image information with the finger print information in memory module, and according to matching result output correspondingly
Join information；And in response to described detection signal, export a touch signal.
Fingerprint Identification Unit control circuit the most according to claim 1, is characterized in that, described central processing module uses monolithic
Machine, its model is AS608_QCCF32.
Fingerprint Identification Unit control circuit the most according to claim 1, is characterized in that, the model of described photographic head is
GC0328。
Fingerprint Identification Unit control circuit the most according to claim 1, is characterized in that, described living body finger print detection module uses
Single channel capacitance touch sensing control switch IC, its model is RH6015.
Fingerprint Identification Unit control circuit the most according to claim 1, is characterized in that, also includes LED lamp control module, described
LED lamp control module includes the first resistance, the second resistance and PNP triode；Wherein, one end of described first resistance and PNP
The base stage of audion couples, and the other end couples with central processing module；One end of described second resistance and the transmitting of PNP triode
Pole couples, and the other end couples with central processing module；The emitter stage of described PNP triode is coupled to VCC voltage.
Fingerprint Identification Unit control circuit the most according to claim 1, is characterized in that, also includes UART modular converter, described
UART modular converter couples with central processing module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570118.2U CN205809885U (en) | 2016-06-14 | 2016-06-14 | Fingerprint Identification Unit control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620570118.2U CN205809885U (en) | 2016-06-14 | 2016-06-14 | Fingerprint Identification Unit control circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205809885U true CN205809885U (en) | 2016-12-14 |
Family
ID=58142009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620570118.2U Expired - Fee Related CN205809885U (en) | 2016-06-14 | 2016-06-14 | Fingerprint Identification Unit control circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205809885U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802710A (en) * | 2016-12-30 | 2017-06-06 | 珠海市魅族科技有限公司 | Electronic equipment and driving method |
| CN106802696A (en) * | 2016-12-30 | 2017-06-06 | 珠海市魅族科技有限公司 | Electronic equipment and its method for sensing |
| CN108868362A (en) * | 2018-08-15 | 2018-11-23 | 长春鸿达光电子与生物统计识别技术有限公司 | A kind of luggage with living body finger print identification function |
-
2016
- 2016-06-14 CN CN201620570118.2U patent/CN205809885U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106802710A (en) * | 2016-12-30 | 2017-06-06 | 珠海市魅族科技有限公司 | Electronic equipment and driving method |
| CN106802696A (en) * | 2016-12-30 | 2017-06-06 | 珠海市魅族科技有限公司 | Electronic equipment and its method for sensing |
| CN106802710B (en) * | 2016-12-30 | 2020-10-23 | 珠海市魅族科技有限公司 | Electronic device and driving method |
| CN108868362A (en) * | 2018-08-15 | 2018-11-23 | 长春鸿达光电子与生物统计识别技术有限公司 | A kind of luggage with living body finger print identification function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110456259A (en) | PCBA single-board testing method and test macro | |
| CN104217480A (en) | Intelligent entrance guard system based on fingerprint and finger vein joint recognition | |
| CN205809885U (en) | Fingerprint Identification Unit control circuit | |
| CN207752550U (en) | A kind of smart lock low-power consumption standby circuit | |
| CN104589816B (en) | Electronic seal and method and device for identity recognition through electronic seal | |
| CN108806226A (en) | A kind of low power consumption method and remote controler applied to touch remote controller | |
| CN203950361U (en) | A kind of embedded human face identification gate control system | |
| CN109564601A (en) | Starting-up method and equipment based on fingerprint recognition | |
| CN203025727U (en) | Finger-vein authentication device | |
| CN206258874U (en) | A kind of subscriber authentication device | |
| CN201532675U (en) | Payment terminal device | |
| CN101901518A (en) | Fingerprint payment terminal | |
| CN205845128U (en) | One refers to vein card-swiping intelligent access control system | |
| CN204204058U (en) | A kind of based on fingerprint and the intelligent access control system referring to combined with intravenous identification | |
| CN208737494U (en) | Fingerprint mould group and its Fingerprint Lock System | |
| US20220143497A1 (en) | Game controller | |
| CN104182740A (en) | Identity authentication system based on capacitive sensing technology | |
| CN204016756U (en) | A kind of masseur | |
| CN209464210U (en) | A kind of wheelchair of novel finger print starting | |
| CN202815872U (en) | Identity authentication device with fingerprint identifying and ID card identifying functions | |
| CN200986707Y (en) | PDA for realizing user identification using fingerprint identification technique | |
| CN216623353U (en) | Intelligent fingerprint access control device | |
| CN205068534U (en) | Intelligent door lock | |
| CN204480335U (en) | Based on the fingerprint attendance system of radio-frequency card | |
| CN110164018A (en) | Blue-tooth intelligence lock system, face identification device and its application method |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20190614 |