CN207704520U - A kind of fingerprint verification system for safe cabinet - Google Patents
A kind of fingerprint verification system for safe cabinet Download PDFInfo
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- CN207704520U CN207704520U CN201820088514.0U CN201820088514U CN207704520U CN 207704520 U CN207704520 U CN 207704520U CN 201820088514 U CN201820088514 U CN 201820088514U CN 207704520 U CN207704520 U CN 207704520U
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- fingerprint
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- time
- verification system
- finger print
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Abstract
The purpose of this utility model is to provide a kind of fingerprint verification system for safe cabinet, including finger print acquisition module, fingerprint recognition processing module, memory module, timing module, counting module and processor, processor is coupled to timing module, counting module and memory module, it is converted into time password for receiving time signal and by time signal by calculating, it is compared simultaneously with the preset time password in memory module, exports verification result；Further include having time display module, shows the fingerprint collecting time of time verifying each time；Function selecting module, for selecting required operation after fingerprint authentication success.Further include having the coded lock being used cooperatively with fingerprint verification system; the switch for the carrier that coded lock is encrypted with Fingerprint Lock co- controlling; user needs just open coded lock opening by protection carrier after having verified fingerprint and time password, and safety higher cracks difficulty bigger.
Description
Technical field
The utility model is related to fingerprinting technique fields, and in particular to a kind of fingerprint verification system for safe cabinet.
Background technology
Finger-print cipher verification technique has been widely used in fields such as finance, network and military affairs, especially in finance at present
Even it is planned to be applied to mobile-phone payment field with fields, this technologies such as network payments, finger-print cipher verification technique increases
The safety of verification, it is well known that there is also be easy to be utilized by offender to refer to for the distinctive biological characteristic of this mankind of fingerprint
The risk that the illegal means such as line developer are stolen, therefore at present to being maintained secrecy, being unlocked, network using finger-print cipher verification technique
The safety in the fields such as payment is passed different judgements on, so in today of information technology rapid development, existing finger-print cipher verifies skill
Art cannot be guaranteed the safety of verification, the fund account safety of people cannot be completely secured, it is necessary in conjunction with prior art reality
With a kind of novel more advanced, convenient, higher verification system of safe practice, to protect the fund of people, the peace of property and account number
Entirely.
Utility model content
The purpose of this utility model is to provide a kind of fingerprint verification system for safe cabinet, its advantage is that safety is more
Height cracks difficulty bigger.
The above-mentioned technical purpose of the utility model technical scheme is that：
One kind being used for safe cabinet fingerprint verification system, including
Finger print acquisition module, for acquiring finger print information；
Fingerprint recognition processing module, for collected finger print information to be identified and verified；
Memory module, for storing finger print information and time password information；
Timing module, record finger touches time, output time signal after fingerprint authentication success；
Counting module, for recording fingerprint authentication number, output verification times signal；
Processor is coupled to timing module, counting module and memory module, for receiving time signal and will believe the time
Number time password is converted by calculating, while being compared with the preset time password in memory module, export verification result；
Time showing module shows the fingerprint collecting time of time verifying each time；
Function selecting module, for selecting required operation after fingerprint authentication success.
Through the above technical solutions, finger print acquisition module can acquire finger print information, fingerprint recognition processing module can be right
Collected finger print information is identified and is verified, and memory module can store finger print information and time password, time
Threshold values information, fingerprint recognition processing module can verify finger print information with memory module cooperation；Timing module is in fingerprint inspection
Start timing after demonstrate,proving successfully and export timing signal, timing signal is sent to processor for verification time password, count module
Block can count the time password of verification, and verification result information is exported after having verified n-th time password, and the time is aobvious
Show module can after the completion of fingerprint authentication the real-time display time, convenient for user accurately control touch the time, function selecting module
The operations such as unlocking or Modify password can be selected after having verified time password.
The utility model is further arranged to：The fingerprint recognition processing module includes：
Fingerprint extracting unit, for extracting the fingerprint characteristic in the finger print information；
Comparing unit, comparing unit, for by the fingerprint characteristic and the pre-stored fingerprint that is stored in the memory module
Information is compared, and obtains fingerprint comparative information, judgement is proved to be successful or failure.
Through the above technical solutions, collected finger print information can be carried out feature extraction, conversion by fingerprint extracting unit
For the signal that processor can identify, comparing unit can by the preset fingerprint in the finger print information and memory that extract one by one into
Row comparison.
The utility model is further arranged to：The function selecting module include typing finger print information, modification time password,
Modification time threshold values is unlocked.
Through the above technical solutions, function selecting module is convenient for operating procedure, side needed for user intuitively selection next
Just Modify password increases safety.
The utility model is further arranged to：The memory module is FLASH RAM memories.
FLASH RAM memories cost for traditional ROM is lower, it is easier to rewrite.
The utility model is further arranged to：The time showing module is LED display, the LED display and place
Device module is managed to be electrically connected.
Through the above technical solutions, temporal information can be intuitively displayed on the screen by LED display by number, just
Accurately know in user and touches the time and in correct time stopping touch.
The utility model is further arranged to：The timing module uses DS12887 clock chips.
Through the above technical solutions, DS12887 is the real-time timepiece chip that Dallas semiconductor companies release, in the chip
Portion is integrated with quartz crystal, lithium battery and other support circuits, can be used for timing.
The utility model is further arranged to：The counting module uses 74LS273 accumulators.
Through the above technical solutions, 74LS273 accumulators are 8 data/down to latch, it is with the 8D for understanding function
Trigger can carry out accumulated counts to the verification number of time password, verify and terminate when verifying number and being n.
In conclusion the utility model has the advantages that：
The fingerprint verification system is verified using fingerprint recognition processing module and timing module cooperation, and user passes through default basis
Password, time threshold and time password algorithm obtain time password by the operation of threshold values and fundamental cryptographic, logical in verification
The time for crossing finger touch fingerprint acquisition module inputs each time password value, is exported after having sequentially input n time passwords
Verification result, safety higher, even if criminal copies user fingerprints by various means, also due to can not learn that the time is close
Code and can not be by verification, and time threshold and time password algorithm can be changed, can modification time password, safety
Higher.
Description of the drawings
Fig. 1 is fingerprint authentication system block diagram.
In figure, 1, finger print acquisition module；2, fingerprint recognition processing module；21, fingerprint extracting unit；22, comparing unit；3、
Timing module；4, counting module；5, processor；6, memory module；7, time showing module.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of fingerprint verification system, including
Finger print acquisition module 1, for acquiring finger print information；
Fingerprint recognition processing module 2, for collected finger print information to be identified and verified；Fingerprint recognition handles mould
Block 2 includes：
It is easy to convert finger print information to processor 5 for the fingerprint characteristic in the information that takes the fingerprint for fingerprint extracting unit 21
In the signal of identification；
Comparing unit 22, for carrying out the fingerprint characteristic and the pre-stored fingerprint information being stored in the memory module
Compare, obtains fingerprint comparative information, judgement is proved to be successful or failure.
Memory module 6, for storing finger print information and time password information；Memory module 6 is FLASH RAM storages
Device.
Timing module 3, record finger touches time, output time signal after fingerprint authentication success；Timing module uses
DS12887 clock chips.DS12887 is the real-time timepiece chip that Dallas semiconductor companies release, and portion is integrated in the chip
Quartz crystal, lithium battery and other support circuits, can be used for timing.
FLASH RAM memories cost for traditional ROM is lower, it is easier to rewrite.
Counting module 4, for recording fingerprint authentication number, output verification times signal；Counting module is tired using 74LS273
Add device.74LS273 accumulators are 8 data/down to latch, be with the 8D triggers for understanding function, can be close to the time
The verification number of code carries out accumulated counts, verifies and terminates when verifying number and being n.
Processor 5 is coupled to timing module 3, counting module 4 and memory module 6, for receiving time signal and by when
Between signal be converted into time password by calculating, while being compared with the preset time password in memory module 6, output verification
As a result；
Time showing module 7 shows the fingerprint collecting time of time verifying each time；
Function selecting module（For CPU plug-ins, it is not shown in figure）, required for being selected after fingerprint authentication success
Operation.Function selecting module includes typing finger print information, modification time password, modification time threshold values, unlocks.User verification at
It can select to unlock after work(fingerprint and time password, Modify password can also be selected, intuitively select to connect down convenient for user
Operating procedure needed for coming facilitates Modify password, increases safety.
Time showing module 7 is LED display, and LED display is electrically connected with 5 module of processor.LED display can be with
Temporal information is intuitively displayed on the screen by number, accurately knows convenient for user and touches the time and in correct time
Stop touching.
N digit time passwords are calculated by time threshold M and benchmark password, user is after setting up time password
N time passwords are sequentially input by the time of touch fingerprint collecting device to be verified, and time threshold can be changed so that
Time password is variable, and it is big to crack difficulty for safety higher.S6 be proved to be successful after may be selected unlocking instruction, modification time threshold values with
And modification fundamental cryptographic, it can directly unlock or Modify password, it is easy to operate.
Such as user setting fundamental cryptographic is 123456, setting time threshold is M=10, and setting time password algorithm is M-
N, gained time password are 987654, user needed in verification successively touch fingerprint acquisition module 9 seconds, 8 seconds, 7 seconds, 6 seconds, 5 seconds,
4 seconds, you can input time password, time showing module 7, which can accurately be shown, touches the time, is unclamped in correct time convenient for user
Finger.After having verified last time password（4）Verification result is exported, since this method needs repeatedly touch fingerprint to acquire mould
For block 1 according to time showing module 7 input time password, thief need to obtain user fingerprints information and time password letter simultaneously
Breath, difficulty bigger, safety higher.
Further, it is additionally provided with the coded lock being used cooperatively with above-mentioned password validation system, which can be used city
General coded lock on face, the switch for the carrier that coded lock and Fingerprint Lock co- controlling are encrypted, user verified fingerprint with
And it needs just open coded lock opening by protection carrier, safety higher after time password.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (7)
1. a kind of fingerprint verification system for safe cabinet, it is characterised in that：Including
Finger print acquisition module (1), for acquiring finger print information；
Fingerprint recognition processing module (2), for collected finger print information to be identified and verified；
Memory module (6), for storing finger print information and time password information；
Timing module (3), record finger touches time, output time signal after fingerprint authentication success；
Counting module (4), for recording fingerprint authentication number, output verification times signal；
Processor (5) is coupled to timing module (3), counting module (4) and memory module (6), simultaneously for receiving time signal
It converts time signal to time password by calculating, while being compared with the preset time password in memory module (6), it is defeated
Go out verification result；
Time showing module (7) shows the fingerprint collecting time of time verifying each time；
Function selecting module, for selecting required operation after fingerprint authentication success.
2. a kind of fingerprint verification system for safe cabinet according to claim 1, it is characterized in that：At the fingerprint recognition
Managing module (2) includes：
Fingerprint extracting unit (21), for extracting the fingerprint characteristic in the finger print information；
Comparing unit (22), for by the fingerprint characteristic and the pre-stored fingerprint information that is stored in the memory module (6) into
Row compares, and obtains fingerprint comparative information, judgement is proved to be successful or failure.
3. a kind of fingerprint verification system for safe cabinet according to claim 1, it is characterized in that：The function selects mould
Block includes typing finger print information, modification time password, modification time threshold values, unlocks.
4. a kind of fingerprint verification system for safe cabinet according to claim 1, it is characterized in that：The memory module
(6) it is FLASH RAM memories.
5. a kind of fingerprint verification system for safe cabinet according to claim 1, it is characterized in that：The time showing mould
Block (7) is LED display, and the LED display is electrically connected with processor (5) module.
6. a kind of fingerprint verification system for safe cabinet according to claim 1, it is characterized in that：The timing module is adopted
With DS12887 clock chips.
7. a kind of fingerprint verification system for safe cabinet according to claim 1, it is characterized in that：The counting module is adopted
With 74LS283 accumulators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088514.0U CN207704520U (en) | 2018-01-18 | 2018-01-18 | A kind of fingerprint verification system for safe cabinet |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820088514.0U CN207704520U (en) | 2018-01-18 | 2018-01-18 | A kind of fingerprint verification system for safe cabinet |
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| CN207704520U true CN207704520U (en) | 2018-08-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022354A (en) * | 2018-01-18 | 2018-05-11 | 北京创美时代办公家具有限公司 | A kind of fingerprint authentication method and its verification system for safe cabinet |
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2018
- 2018-01-18 CN CN201820088514.0U patent/CN207704520U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022354A (en) * | 2018-01-18 | 2018-05-11 | 北京创美时代办公家具有限公司 | A kind of fingerprint authentication method and its verification system for safe cabinet |
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