CN205942701U - Bioinformation collection system based on biological characteristics IC card - Google Patents
Bioinformation collection system based on biological characteristics IC card Download PDFInfo
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- CN205942701U CN205942701U CN201620792831.1U CN201620792831U CN205942701U CN 205942701 U CN205942701 U CN 205942701U CN 201620792831 U CN201620792831 U CN 201620792831U CN 205942701 U CN205942701 U CN 205942701U
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- biological information
- biometric sensor
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Abstract
The utility model relates to a biometric identification technology field discloses a bioinformation collection system based on biological characteristics IC card, specifically includes biometric information reading ware system, biometric feature recognition sensor system and biological characteristics IC card, the biological characteristics IC card is used for the human biological characteristics information of storage, biometric information reads the ware system and is used for carrying out the information interaction with the biological characteristics IC card, reading the bioinformation in the biological characteristics IC card, biometric feature recognition sensor system is used for acquireing human biometric information, biometric information reads the ware system and biometric feature recognition sensor system includes following structure: electrical power generating system signal connection microcontroller, biometric information read ware and biometric feature recognition sensor, biometric information reads the ware and passes through the microcontroller signal connection connector, the biometric feature recognition sensor passes through the signal processor signal connection connector, human biological characteristics's collection and discernment have been realized.
Description
Technical field
The utility model is related to technical field of biometric identification, particularly a kind of is adopted based on the biological information of biological characteristic IC-card
Acquisition means.
Background technology
With scientific and technological high speed development, people's also more and more higher of the requirement to identification, and traditional authentication shape
Formula is single, such as adopts IC-card certification or personnel to enter the methods such as registration, not only expends substantial amounts of manpower and time, Er Qiean
Full property is not high.Biometrics are a kind of important way of identity identifying technology, but anti-bio-identification often easily.
Therefore, efficient, safe and reliable identification authentication mode will have particularly significant effect, and this is to lifting biomedical information acquisition mode
Validity it is also proposed higher requirement.
Utility model content
In order to overcome the problems referred to above, the utility model a kind of safe and reliable biometrics identification technology is provided it is proposed that
A kind of biological information acquisition device based on biological characteristic IC-card.
The utility model be employed technical scheme comprise that such：Biomedical information acquisition dress based on biological characteristic IC-card
Put, specifically include biological information reader system, biometric sensor system and biological characteristic IC-card, described
Biological characteristic IC-card is used for storing the biological information of human body, and described biological information reader system is used for special with biology
Levy IC-card and carry out information exchange, the biological information reading in biological characteristic IC-card, described biometric sensor system is used
In the biological information obtaining human body；Described biological information reader system and biometric sensor system bag
Include power-supply system, biological information reader, microcontroller, biometric sensor, signal processor and connector,
Described power-supply system signal connects microcontroller, biological information reader and biometric sensor, described biology
Characteristic information reader connects connector by microcontroller signal, and described biometric sensor passes through signal processor
Signal connects connector, and described connector is used for the letter of the information of biological nature IC-card and biometric sensor collection
Breath passes.
Further, described power-supply system includes power supply and power protecting circuit, and described power protecting circuit mainly adopts
Be Schottky diode.
Further, described biological information reader uses radio frequency chip, and described radio frequency chip adopts RC522
Integrated chip.
Further, described microcontroller uses STM8 integrated chip.
Further, described signal processor adopts CY7C68 integrated chip, for identifying biometric sensor
Signal.
Compared with prior art, the beneficial effect using above-mentioned technology is：Using reading biological characteristic IC-card memory storage
Biological information, is slightly mated in the information bank pre-building, and gets out the data of Secondary Match, then passes through biological characteristic
Identification sensor gathers the biological characteristic of human body, and the data good with early-stage preparations carries out Secondary Match it is possible to human body
Identity carries out double probate, the validity of lifting biomedical information acquisition mode, improves reliability and the security of authentication.
Brief description
Fig. 1 is the system schematic of the biological information acquisition device based on biological characteristic IC-card for the utility model.
Fig. 2 is the control system block diagram of the biological information acquisition device based on biological characteristic IC-card for the utility model.
Fig. 3 is the structure chart of reverse-connection preventing circuit, current-limiting circuit, filter circuit in the utility model power protecting circuit.
Fig. 4 is the structure chart of overpressure protection circuit in the utility model power protecting circuit.
Specific embodiment
Below in conjunction with the accompanying drawings the utility model is described further.
As shown in Figure 1 and Figure 2, the biological information acquisition device based on biological characteristic IC-card, specifically includes biological information
Reader system 11, biometric sensor system 12 and biological characteristic IC-card 2, described biological characteristic IC-card 2 is used for
Be stored with the biological information of human body, and described biological information reader system 11 is used for carrying out with biological characteristic IC-card 2
Information exchange, the biological information reading in biological characteristic IC-card 2, described biometric sensor system 12 is used for obtaining
The biological information of human body；Described biological information reader system 11 and biometric sensor system 12 include
Power-supply system, biological information reader, microcontroller, biometric sensor, signal processor and connector, institute
State power-supply system signal and connect microcontroller, biological information reader and biometric sensor, described biological special
Levy information readers and connector is connected by microcontroller signal, described biometric sensor is believed by signal processor
Number connect connector, described connector be used for by the information of biological nature IC-card and biometric sensor collection information
Pass.Biological information acquisition device reads the biological information of biological characteristic IC-card memory storage, in the information bank pre-building
In slightly mated, and get out the data of Secondary Match, then the biological special of human body gathered by biometric sensor
Levy, and the data good with early-stage preparations carries out Secondary Match, by reading information and the living things feature recognition of biological characteristic IC-card 2
The information of sensing system 12 collection just can carry out double probate to the identity of human body, improves reliability and the peace of authentication
Quan Xing.
Can produce due to reading multiple biological characteristic IC-cards 2 in one biological information reader system 11 of synchronization
Collision effect, described biological information acquisition device synchronization only reads one with a biological information reader system 11
Biological characteristic IC-card 2, simultaneously for reducing energy consumption to greatest extent, energy saving, biological information reader 11 is to be spaced
Whether time T inquiry once has effective biological characteristic IC-card 2, and described interval time T can take T=250ms, if having inquired
Effectively biological characteristic IC-card 2, then read the information in biological characteristic IC-card 2；Otherwise continue to be inquired about with interval time T.
Further, described power-supply system includes power supply and power protecting circuit, and described power protecting circuit uses
Schottky diode, can avoid burning out electronic devices and components because of wrong power line, reduce the impact to circuit for the extraneous interference, with
Just anti-interference, reliability and the security of whole system are improved.Described power protecting circuit includes counnter attack as shown in Figure 3, Figure 4
Connect circuit, current-limiting circuit, filter circuit and overpressure protection circuit, described reverse-connection preventing circuit includes two diode D1 in parallel
With diode D3, described diode D1 and diode D3 preferred SS24 type Schottky diode；Described current-limiting circuit includes fusing
Resistance F0, fusing resistor F1, diode D1 and diode D3, described fusing resistor F0 and diode D0 is connected in series, and described two
Be grounded after pole pipe D1 is in parallel with fusing resistor F0, described fusing resistor F1 and diode D2 is connected in series, described diode D3 and
It is grounded after fusing resistor F1 parallel connection；Described filter circuit includes capacitor C1 and capacitor C2, and described capacitor C1 is connected in parallel
It is grounded after diode D1, is grounded after described capacitor C2 parallel-connected diodes D3, the described capacitor C1 other end obtains voltage
End V1, the described capacitor C2 other end obtains voltage end V2；Described overpressure protection circuit includes voltage comparator U1, partial pressure electricity
Road, the second filter circuit and pull-up circuit, the preferred LM393 integrated circuit of described voltage comparator U1.Described resistance R1 and resistance
R2 composition bleeder circuit, the Node connectedness voltage comparator U1 port 6 between described resistance R1 and resistance R2, described resistance R1's
The other end connects voltage end V1, described resistance R2 other end ground connection, voltage end V1 partial pressure is obtained analog power as benchmark electricity
Pressure, input voltage comparator U1, for detecting superpressure；Described resistance R3 and resistance R4 composition bleeder circuit, described resistance R3 and
Node connectedness voltage comparator U1 port 5 between resistance R4, the described resistance R3 other end connects voltage end V2, described resistance R4
The other end is grounded, and voltage end V2 is carried out partial pressure and obtains analog voltage as voltage signal to be compared, input voltage comparator U1.
Voltage comparator U1 is compared voltage signal to be compared and reference voltage, when superpressure occurs, voltage comparator port 7
Output high level signal.Described filtered electrical routing capacitance C3 and electric capacity C4 composition, described electric capacity C3 is connected across supply voltage input
Between end D3.3V and ground GND, the preferred 0.1UF polarity free capacitor of described electric capacity C3, described electric capacity C4 is connected across supply voltage input
Between end D5.0V and ground GND, the preferred 0.1UF polarity free capacitor of described electric capacity C4.Described pull-up output circuit is by resistance R0 group
Become, resistance R0 is connected across between voltage comparator U1 port 7 and voltage comparator U1 port 8, described voltage comparator U1 port 8
Connect voltage end V1, be easy to improve the driving force of signal output, precision 5% resistance of the preferred 5.1K of described resistance R0.
Further, described biological information reader uses radio frequency chip, and described radio frequency chip adopts RC522
Integrated chip, described RC522 integrated chip has flexible design antenna, is suitable for different actual working environment, is easy to more preferably
Drive biological information reader obtain biological characteristic IC-card 2 information.
Further, described microcontroller uses STM8 integrated chip.
Further, described signal processor adopts CY7C68 integrated chip, for identifying biometric sensor
Signal is it is ensured that rapidly and effectively gathering biological information and sending the information collecting.
Concrete operating principle of the present utility model is such：Biological characteristic IC-card 2 uses passive IC-card, internal
Capacity can store sample information to be written.The biological information of certified personnel is stored in biological characteristic IC-card 2,
As referred to venous information sample, finger print information sample etc., a kind of biological information sample therein can be selected it is also possible to select simultaneously
Multiple biological information samples.In biological characteristic IC-card 2, one or more biological information samples to be detected pass through biological characteristic
Information readers 11 carry out data interaction, and with interval time T, it has constantly asked whether that effective IC-card 2 is close, interval time T
T=250ms being taken, if having inquired effective biological characteristic IC-card 2, reading the information in biological characteristic IC-card 2；Otherwise
Continue to be inquired about with interval time T.Carried out by SPI or iic bus between microcontroller and biological information reader
Interaction, and the biological information sample being effectively stored in biological characteristic IC-card 2 obtaining is led to according to certain communication protocol
Cross connector to send detection information.
Biometric sensor can be camera module or one or more therein of fingerprint collecting module, main
If being used for obtaining the associated biomolecule feature of human body, signal processor preferred CY7C68 integrated chip, signal processor is to collection
To the associated biomolecule feature samples of human body pre-processed, and pass through connector by detection information according to certain communication protocol
Send.
Using the biological information sample reading biological characteristic IC-card memory storage, and biological information sample is being pre-build
Carry out in authentic personal information storehouse just mating, and get out the data of Secondary Match, then sensed by living things feature recognition
Device gathers the biometric sample of human body, and the data good with early-stage preparations carries out Secondary Match it is possible to identity to human body
Carry out double probate, improve reliability and the security of authentication.
Although technology contents of the present utility model are open as above with preferably example, but are not limited to this reality
With new, if those skilled in the art, it is altered or modified in the unsubstantiality being done without departing from spirit of the present utility model, all
The utility model protective scope of the claims should be belonged to.
Claims (5)
1. a kind of biological information acquisition device based on biological characteristic IC-card is it is characterised in that include biological information reader
System, biometric sensor system and biological characteristic IC-card, described biological characteristic IC-card is used for storing the biology of human body
Characteristic information, described biological information reader system is used for carrying out information exchange, reading biological spy with biological characteristic IC-card
Levy the biological information in IC-card, described biometric sensor system is used for obtaining the biological information of human body；Described
Biological information reader system and biometric sensor system include power-supply system, biological information reading
Device, microcontroller, biometric sensor, signal processor and connector, described power-supply system signal connects microcontroller
Device, biological information reader and biometric sensor, described biological information reader passes through microcontroller
Signal connects connector, and described biometric sensor connects connector, described connector by signal processor signal
For the information transmission of the information of biological nature IC-card and biometric sensor collection is gone out.
2. the biological information acquisition device based on biological characteristic IC-card as claimed in claim 1 is it is characterised in that described power supply
System includes power supply and power protecting circuit, and described power protecting circuit mainly uses Schottky diode.
3. the biological information acquisition device based on biological characteristic IC-card as claimed in claim 1 is it is characterised in that described biology
Characteristic information reader uses radio frequency chip, and described radio frequency chip adopts RC522 integrated chip.
4. the biological information acquisition device based on biological characteristic IC-card as claimed in claim 1 is it is characterised in that described micro-control
Device processed uses STM8 integrated chip.
5. the biological information acquisition device based on biological characteristic IC-card as claimed in claim 1 is it is characterised in that described signal
Processor adopts CY7C68 integrated chip, for identifying biometric sensor signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792831.1U CN205942701U (en) | 2016-07-27 | 2016-07-27 | Bioinformation collection system based on biological characteristics IC card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620792831.1U CN205942701U (en) | 2016-07-27 | 2016-07-27 | Bioinformation collection system based on biological characteristics IC card |
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| Publication Number | Publication Date |
|---|---|
| CN205942701U true CN205942701U (en) | 2017-02-08 |
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ID=57927293
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620792831.1U Expired - Fee Related CN205942701U (en) | 2016-07-27 | 2016-07-27 | Bioinformation collection system based on biological characteristics IC card |
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| CN (1) | CN205942701U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036527A (en) * | 2020-08-19 | 2020-12-04 | 苏州国芯科技股份有限公司 | Passive identity recognition device, control method thereof and passive identity recognition system |
-
2016
- 2016-07-27 CN CN201620792831.1U patent/CN205942701U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112036527A (en) * | 2020-08-19 | 2020-12-04 | 苏州国芯科技股份有限公司 | Passive identity recognition device, control method thereof and passive identity recognition system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170208 Termination date: 20200727 |