CN104732631B - Intelligent fingerprint cipher anti theft lock system - Google Patents
Intelligent fingerprint cipher anti theft lock system Download PDFInfo
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- CN104732631B CN104732631B CN201510106284.7A CN201510106284A CN104732631B CN 104732631 B CN104732631 B CN 104732631B CN 201510106284 A CN201510106284 A CN 201510106284A CN 104732631 B CN104732631 B CN 104732631B
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Abstract
The present invention proposes a kind of intelligent fingerprint cipher anti theft lock system, intelligent monitor and electric lockset including interconnection, the intelligent monitor, which supplies the electric energy needed for the electric lockset and receives electric lockset, sends live state information, the intelligent monitor includes microcontroller, keyboard, LCD display, memory, demodulator, path monitoring module, analog-digital converter and buzzer, the safety monitoring for the communication between completion and electric lockset, intelligent analysis and communication line；The electric lockset includes lock body and the electromagnetic actuator for controlling lock body opening and closing, and at least provided with fingerprint identification module, Password Input module and OLED LCD MODULEs in the lock body, the fingerprint identification module is semiconductor module.The configuration of the present invention is simple, it is powerful, it is highly practical, the security level of theftproof lock is improved, should be widely promoted application.
Description
Technical field
The present invention relates to a kind of intelligent fingerprint cipher anti theft lock system, belong to intelligent anti-theft lock field.
Background technology
In field of prevention of a safety technology, the electronic password lock with anti-theft alarm function replaces traditional mechanical code
No matter the shortcomings that locking, overcoming few mechanical code lock number of password, poor safety performance, make coded lock technically or in performance
On all greatly improve a step.With the appearance of the development of large scale integrated circuit technology, particularly microcontroller, occur with micro- place
The intelligent cipher lock of device is managed, it also introduces intelligent management, expert analyzing system etc. in addition to having the function of electronic password lock
Function, so that coded lock has very high security, reliability, application is increasingly extensive.
In existing lockset industry, digital cipher lock is a kind of relatively common lock, is widely used in each of society
Field, open digital cipher lock when be a series of numeral.Existing intelligent digital coded lock is all the peace to itself
Entirely, confidentiality is improved, but when attempting to open lock there is a situation where stranger, it is impossible to timely understand, it is impossible to real
When grasp digital cipher lock state, take action in time.Therefore a real-time, effectively anti-theft lock system is lacked.
The content of the invention
The technical problems to be solved by the invention, exactly propose a kind of intelligent fingerprint cipher anti theft lock system, the theftproof lock
System can in real time, effectively monitor the state of coded lock, take action in time, avoid causing the damage of property because lock is opened
Lose.
In order to solve the above technical problems, the technology of the present invention uses following technical scheme：
A kind of intelligent fingerprint cipher anti theft lock system, includes the intelligent monitor and electric lockset of interconnection, the intelligence
Energy monitor, which supplies the electric energy needed for the electric lockset and receives electric lockset, sends live state information, the intelligent monitor bag
Microcontroller, keyboard, LCD display, memory, demodulator, path monitoring module, analog-digital converter and buzzer are included, is used for
The safety monitoring of communication, intelligent analysis and communication line between completion and electric lockset；The electric lockset includes lockset
Body and the electromagnetic actuator for controlling lock body opening and closing, at least provided with fingerprint recognition mould in the lock body
Block, Password Input module and OLED LCD MODULEs, the fingerprint identification module are semiconductor module.
Intelligent monitor is in reception state all the time, the warning message and shape sent with fixed reception of beacons electric lockset
State information.For warning message, then sound is sent by LCD display and buzzer at once, light is alarmed；For status information, then
Memory is stored in, and compared with the historic state of electric lockset, draws variation tendency, the state change in future is predicted, passes through
LCD display provides corresponding information to operator on duty, and so that decision-making uses, intelligent monitor establishes a communications link with electric lockset
While, monitor the change for the supply current for flowing through communication line in real time by circuit monitoring module and A/D converter, effectively
Destruction caused by ground prevents human factor, ensure that the unimpeded of communication line.
Further, the fingerprint identification module is dark background light path design, is particularly suitable for dry finger, it is ensured that Lao Renhe
The good use of 3 years old children, the prism on fingerprint sensor surface use glass prism, fingerprint sensor surface oxidation-resistant, anti-corruption
Erosion, external force resistance destroy, and in addition fingerprint sensor is powered on using body capacitance sensing, sense skin corium by vivo identification, have
Gather the characteristics of image consistency is good；Fingerprint sensor is passed using the TCS2 of the Authentec producers of American apple company purchase
Sensor, operates more convenient simple when in use.The algorithm comparison speed of this fingerprint identification module is fast, and carries self study work(
Can, can learn that fingerprint occurs by season gradually changes, and will not produce the phenomenon for door of not opening, such fingerprint is exactly more with more
It is handy.
Further, the artificial destruction of communication line and electromagnetic actuator flow through electromagnetism caused by other reasons in order to prevent
The electric current of coil is excessive and burns coil, and the present invention is additionally provided with electric current on the connection circuit of intelligent monitor and electric lockset
Monitor, the electric current monitor use the current/voltage-converted chip MAX471 of MAXIM companies production, which can will be by
Electric current I conversion output voltage U in couples is surveyed, and has that measurement range is big, precision is high, output voltage U and tested electric current I are directly proportional
Feature.
Further, intelligent monitor of the invention uses line sharing technology with electric lockset, electric energy is supplied and is believed
Breath transmission shares a twin core cable, improves the reliability and security of system, while in data-signal transmitting terminal and reception
End is designed with pulse transformer, for by data-signal become it is strong/die down, in transmitting terminal, the electric lockset passes through the pulse
Transformer is sent after the data-signal modulated is boosted；In the data that receiving terminal, the pulse transformer will receive
Demodulator is sent after signal decompression, to reduce loss of the carrier signal in transmitting procedure.
Further, in order to reduce interfering with each other between communication and power supply, the selection to choke coil L, coupled capacitor C will
Consider, if carrier frequency fo=400kHz, in order to ensure that most signal energy transmission to receiving terminal, takes L=33.7 μ
H, C1=0.047 μ F.
Further, the microcontroller is 51 series monolithics (AT89051), complete the setting of password, storage, identification and
Display, driving electromagnetic actuator simultaneously detect its driving current value, the alarm signal that receiving sensor is sent, send the work(such as data
Can, the password is arranged to mess code design, i.e. user can be with addend word before and after proper password be intended to when inputing password, and only need are defeated
The numeral entered includes the numerical order with proper password, can avoid preventing from being spied on by other people, safety and reliability is described
Password Input module is touch-screen input module.
Microcontroller receives the code keyed in, and compared with being stored in the password in EEPROM, if password is correct,
Electromagnetic actuator is driven to unlock；If password bad, allow operating personnel to re-enter password, can at most input three times；
If all incorrect three times, microcontroller is alarmed by communication line to intelligent monitor.Microcontroller by each unlocking operation and
The driving current value of electromagnetic actuator is sent to intelligent monitor as status information at this time, while connect receiving from sensor
The warning message of mouth is also sent to intelligent monitor, the foundation as intelligent analysis.
Intelligent monitor receives the status information that lockset is sent（Including the unlatching of lockset, closing, first time password
Wrong, second password mistake, third time password mistake etc.）, flow through the current value of electromagnetic actuator coil, and read the moment connection
The power supply current value on road, triplicity get up to form a data block, and wherein mode of operation accounts for 1 byte, and supply current accounts for 2
Byte, coil current account for 2 bytes.
Further, in order to improve communication reliability, in the communication protocol between the intelligent monitor and electric lockset
By the way of repeating to send, electric lockset sends each group of Data duplication 5 times, and intelligent monitor receives this group of data
Afterwards, law error correction is decoded using big number, ensure that the accuracy of data receiver, in addition to saving memory docks received data
Using preconditioning technique, i.e., after often receiving a data, first by the data compared with the threshold value that microcontroller is set, if
More than threshold value, then overload alarm is sent；If less than threshold value, then the homogeneous data ratio received the data and the same day
Compared with reservation the greater.
Intelligent cipher lock software programs intelligent monitor and electric lockset using 51 series monolithic assembler languages respectively.
Intelligent monitor software includes keyboard scan and LCD shows program, buzzer driver, clock modification and reading program, number
According to modules such as communication and preprocessor, intelligent analysis program and path monitoring programs.Electric lockset software is swept including keyboard
Retouch and show program, signal procedure, electromagnetic actuator with translator, LCD and detect the moulds such as program, sensor interface program
Block.Modular design method is used in software design procedure, easy to the reading, debugging and improvement of program.
Further, the electric lockset reserves wireless security protection warning function, can send short messages and talk with to multiple users
Remind.
Further, at least reserved intelligent home network interface of the intelligent monitor and wireless remote control interface；Using
High frequency M 1 blocks, and the lock body reserves all-purpose card interface, and can master cellular phone remote setting visiting person identity card or mobile phone card
Open function in limited time.
Further, the microcontroller is also preset with by the use of another finger print and is used as the unlocking side of anti-abduction finger print
Formula, and equipped with shooting and sound pick-up outfit, the anti-abduction finger print opening door lock set for abnormal condition, opening door lock
While the related personnel that sets before can be given to send short message and make a phone call to alarm by mobile phone, it is and all disengaging personnel are hidden
Cover shooting and record.
Once collecting image, digital information will be transferred to digital signal processor to generate matching.Matching process
The first step is to adjust the fingerprint of scanning, and complete finger print seldom is used to identify by finger-printer reader, but DSP is (at digital signal
Reason) using algorithm the feature and pattern of each fingerprint are extracted, with the unique digital code of generation.Second step in software flow is to read
The code generated from the image of scanning is taken, then by it compared with the potential occurrence of database.Comparison step need to
Want the finger print information in system access networked database or nonvolatile memory.
In addition, OLED LCD MODULEs of the present invention are prompted using highlighted subtitle, man-machine interface is user-friendly, and sets
Voice operating guiding is equipped with, high-decibel clearly voice prompt shows human-computer dialogue, and operation is simpler；When the batteries are low,
System meeting automatically prompting user replaces battery in time, and low in energy consumption, stand-by power consumption is less than 40 uA, and four batteries are normally using
Under more than 1 year as long as.
Compared with prior art, the device have the advantages that being：
The present invention can be adapted for dry finger user using fingerprint recognition and Password Input verification identity, fingerprint sensor,
In addition, fingerprint sensor is vivo identification, sensing skin corium, finger top layer mill skin etc. will not cause not open the phenomenon of door；It is close
Code input designs for mess code, can play the role of fascination to criminal；Intelligence degree is high, easy to control, equipped with normal fingerprints
Unlock and improper fingerprint two kinds of unlocking modes of unlocking, intelligent monitor is sent not by the finger print information for receiving different
Same instruction；Warning device is provided with, artificial or other situations circuit damage meeting alerts are run into, in addition, setting
Some radio safety protection alarm devices, can give the telephone number of setting to send information reminding and audio alert, the configuration of the present invention is simple,
It is powerful, it is highly practical, the security level of theftproof lock is improved, should be widely promoted application.
Embodiment
The present invention is got information about to allow those skilled in the art to become apparent from, the present invention will be made below further
Explanation.
A kind of intelligent fingerprint cipher anti theft lock system, includes the intelligent monitor and electric lockset of interconnection, the intelligence
Energy monitor, which supplies the electric energy needed for the electric lockset and receives electric lockset, sends live state information, the intelligent monitor bag
Microcontroller, keyboard, LCD display, memory, demodulator, path monitoring module, analog-digital converter and buzzer are included, is used for
The safety monitoring of communication, intelligent analysis and communication line between completion and electric lockset；The electric lockset includes lockset
Body and the electromagnetic actuator for controlling lock body opening and closing, the lock body are equipped with fingerprint identification module, close
Code input module and OLED LCD MODULEs, the fingerprint identification module are semiconductor module, wherein, the fingerprint recognition mould
Block is dark background light path design, is particularly suitable for dry finger, it is ensured that the good use of old man and 3 years old child, fingerprint sensor table
The prism in face uses glass prism, and fingerprint sensor surface oxidation-resistant, anticorrosive, external force resistance destroy, and in addition fingerprint sensor is adopted
Powered on body capacitance sensing, skin corium is sensed by vivo identification, have the characteristics that collection image consistency is good；Fingerprint sensing
Device is operated more convenient simple when in use using the TCS2 sensors of the Authentec producers of American apple company purchase.This
The algorithm comparison speed of fingerprint identification module is fast, and carries self-learning function, can learn the gradual change that fingerprint occurs by season
Change, the phenomenon for door of not opening will not be produced, such fingerprint is exactly getting easier and easier to use.
Intelligent monitor is in reception state all the time, the warning message and shape sent with fixed reception of beacons electric lockset
State information.For warning message, then sound is sent by LCD display and buzzer at once, light is alarmed；For status information, then
Memory is stored in, and compared with the historic state of electric lockset, draws variation tendency, the state change in future is predicted, passes through
LCD display provides corresponding information to operator on duty, and so that decision-making uses, intelligent monitor establishes a communications link with electric lockset
While, monitor the change for the supply current for flowing through communication line in real time by circuit monitoring module and A/D converter, effectively
Destruction caused by ground prevents human factor, ensure that the unimpeded of communication line.
Current monitor is additionally provided with the connection circuit of intelligent monitor and electric lockset in the present embodiment, can be to prevent
Only the artificial destruction of communication line and electromagnetic actuator flowed through caused by other reasons electromagnetic coil electric current it is excessive and burn line
Circle, the electric current monitor use the current/voltage-converted chip MAX471 of MAXIM companies production, which can be by tested electricity
Flow I conversions output voltage U, and have the spy that measurement range is big, precision is high, output voltage U and tested electric current I are directly proportional in couples
Point.
The intelligent monitor uses line sharing technology with electric lockset, electric energy supply and information transmission is shared one
Twin core cable, improves the reliability and security of system, while is designed with pulse in data-signal transmitting terminal and receiving terminal and becomes
Depressor, for by data-signal become it is strong/die down, in transmitting terminal, the electric lockset will be modulated by the pulse transformer
Data-signal boosting after send；In receiving terminal, the pulse transformer send solution after the data-signal received is depressured
Device is adjusted, to reduce loss of the carrier signal in transmitting procedure.
Further, in order to reduce interfering with each other between communication and power supply, the selection to choke coil L, coupled capacitor C will
Consider, if carrier frequency fo=400kHz, in order to ensure that most signal energy transmission to receiving terminal, takes L=33.7 μ
H, C1=0.047 μ F.
The microcontroller is 51 series monolithics (AT89051), completes setting, storage, identification and display, the driving of password
Electromagnetic actuator simultaneously detects its driving current value, the alarm signal that receiving sensor is sent, sends the functions such as data, the password
Be arranged to mess code design, i.e., user can be with being intended to addend word before and after proper password, in a numeral that need to be inputted when inputing password
Including the numerical order with proper password, it can avoid preventing from being spied on by other people, safety and reliability, the Password Input mould
Block is touch-screen input module.
Microcontroller receives the code keyed in, and compared with being stored in the password in EEPROM, if password is correct,
Electromagnetic actuator is driven to unlock；If password bad, allow operating personnel to re-enter password, can at most input three times；
If all incorrect three times, microcontroller is alarmed by communication line to intelligent monitor.Microcontroller by each unlocking operation and
The driving current value of electromagnetic actuator is sent to intelligent monitor as status information at this time, while connect receiving from sensor
The warning message of mouth is also sent to intelligent monitor, the foundation as intelligent analysis.
Intelligent monitor receives the status information that lockset is sent（Including the unlatching of lockset, closing, first time password
Wrong, second password mistake, third time password mistake etc.）, flow through the current value of electromagnetic actuator coil, and read the moment connection
The power supply current value on road, triplicity get up to form a data block, and wherein mode of operation accounts for 1 byte, and supply current accounts for 2
Byte, coil current account for 2 bytes.
Further, in order to improve communication reliability, in the communication protocol between the intelligent monitor and electric lockset
By the way of repeating to send, after intelligent monitor receives this group of data, law error correction is decoded using big number, ensure that data
The accuracy of reception, uses preconditioning technique in addition to saving memory and docking received data, i.e., often receives a data
Afterwards, first by the data if greater than threshold value, then overload alarm is sent compared with the threshold value set；If less than thresholding
Value, then by the data compared with the homogeneous data that the same day receives, retain the greater.
Intelligent cipher lock software programs intelligent monitor and electric lockset using 51 series monolithic assembler languages respectively.
Intelligent monitor software includes keyboard scan and LCD shows program, buzzer driver, clock modification and reading program, number
According to modules such as communication and preprocessor, intelligent analysis program and path monitoring programs.Electric lockset software is swept including keyboard
Retouch and show program, signal procedure, electromagnetic actuator with translator, LCD and detect the moulds such as program, sensor interface program
Block.Modular design method is used in software design procedure, easy to the reading, debugging and improvement of program.
Further, the electric lockset reserves wireless security protection warning function, can send short messages and talk with to multiple users
Remind, and at least reserved intelligent home network interface of the intelligent monitor and wireless remote control interface, while using high frequency M 1
Card, lock body reserve all-purpose card interface, and can master cellular phone remote setting visiting person identity card or mobile phone card open work(in limited time
Energy.
In addition, the microcontroller is also preset with the unlocking mode by the use of another finger print as anti-abduction finger print,
And equipped with shooting and sound pick-up outfit, the anti-abduction finger print opening door lock set for abnormal condition, opening door lock
The related personnel set before can be given to send short message and make a phone call to alarm by mobile phone at the same time, and all disengaging personnel are hidden
Image and record.
Once collecting image, digital information will be transferred to digital signal processor to generate matching.Matching process
The first step is to adjust the fingerprint of scanning, and complete finger print seldom is used to identify by finger-printer reader, but DSP is (at digital signal
Reason) using algorithm the feature and pattern of each fingerprint are extracted, with the unique digital code of generation.Second step in software flow is to read
The code generated from the image of scanning is taken, then by it compared with the potential occurrence of database.Comparison step need to
Want the finger print information in system access networked database or nonvolatile memory.
The OLED LCD MODULEs of the present invention are prompted using highlighted subtitle, and man-machine interface is user-friendly, and sets
There is voice operating guiding, high-decibel clearly voice prompt shows human-computer dialogue, and operation is simpler；When the batteries are low, it is
System meeting automatically prompting user replaces battery in time, and low in energy consumption, stand-by power consumption is less than 40 uA, and four batteries are under normal use
More than 1 year as long as.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on, should all be included in the protection scope of the present invention god.
Claims (7)
1. a kind of intelligent fingerprint cipher anti theft lock system, includes the intelligent monitor and electric lockset of interconnection, the intelligence
Monitor supplies the electric energy needed for the electric lockset and receives the live state information of electric lockset transmission, it is characterised in that：It is described
Intelligent monitor include microcontroller, keyboard, LCD display, memory, demodulator, path monitoring module, analog-digital converter and
Buzzer, the safety monitoring for the communication between completion and electric lockset, intelligent analysis and communication line；The electronic lock
Having includes lock body and the electromagnetic actuator for controlling the lock body opening and closing, at least provided with finger in the lock body
Line identification module, Password Input module and OLED LCD MODULEs, the fingerprint identification module are semiconductor module；The finger
Line identification module is dark background light path design, and the prism on fingerprint sensor surface uses glass prism；In addition fingerprint sensor is adopted
Powered on body capacitance sensing, skin corium is sensed by vivo identification；The microcontroller is 51 series monolithics, the password
It is arranged to mess code design, i.e., user can be with being intended to addend word before and after proper password, in a numeral that need to be inputted when inputing password
Including the numerical order with proper password；The microcontroller is also preset with by the use of another finger print and is used as anti-abduction hand
Refer to the unlocking mode of fingerprint, and equipped with shooting and sound pick-up outfit, for using the anti-abduction Fingers set under abnormal condition
Line opening door lock, can give the related personnel set before to send short message and make a phone call to report while opening door lock by mobile phone
It is alert, and by the hidden shooting of all disengaging personnel and record.
2. intelligent fingerprint cipher anti theft lock system according to claim 1, it is characterised in that：In intelligent monitor and electronics
Current monitor is additionally provided with the connection circuit of lockset.
3. intelligent fingerprint cipher anti theft lock system according to claim 2, it is characterised in that：The intelligent monitor and electricity
Sub- lockset uses line sharing technology, electric energy supply and information transmission is shared a twin core cable, while sent out in data-signal
Sending end and receiving terminal are designed with pulse transformer, for by data-signal become it is strong/die down, in transmitting terminal, the electric lockset leads to
Cross after the pulse transformer boosts the data-signal modulated and send；In receiving terminal, the pulse transformer will connect
Demodulator is sent after received data-signal decompression, to reduce loss of the carrier signal in transmitting procedure.
4. intelligent fingerprint cipher anti theft lock system according to claim 3, it is characterised in that：For choke coil L, coupling electricity
Hold the selection of C, if carrier frequency fo=400kHz, in order to ensure that most signal energy transmission to receiving terminal, takes L=33.7
μ H, C=0.047 μ F.
5. intelligent fingerprint cipher anti theft lock system according to claim 4, it is characterised in that：The intelligent monitor and electricity
In communication protocol between sub- lockset by the way of repeating to send, electric lockset sends each group of Data duplication 5 times, intelligence
Monitor decodes law error correction using big number, in addition docks received data and uses preconditioning technique, i.e., often receives a number
According to rear, first by the data compared with the threshold value that microcontroller is set, if greater than threshold value, then overload alarm is sent；If
Less than threshold value, then by the data compared with the homogeneous data that the same day receives, retain the greater.
6. intelligent fingerprint cipher anti theft lock system according to claim 5, it is characterised in that：The electric lockset reserves nothing
Line security alarm function.
7. the intelligent fingerprint cipher anti theft lock system according to claim 5 or 6, it is characterised in that：The intelligent monitor
At least reserved intelligent home network interface and wireless remote control interface；Using high frequency M1 cards, the lock body reserves all-purpose card
Interface, and the open function that can be prescribed a time limit by master cellular phone remote setting visiting person identity card or mobile phone card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510106284.7A CN104732631B (en) | 2015-03-12 | 2015-03-12 | Intelligent fingerprint cipher anti theft lock system |
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| CN201510106284.7A CN104732631B (en) | 2015-03-12 | 2015-03-12 | Intelligent fingerprint cipher anti theft lock system |
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| CN104732631B true CN104732631B (en) | 2018-04-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105069884A (en) * | 2015-08-19 | 2015-11-18 | 湖州高鼎智能科技有限公司 | Novel smart lock system |
| CN105069885A (en) * | 2015-08-19 | 2015-11-18 | 湖州高鼎智能科技有限公司 | Intelligent lock system |
| CN108242091A (en) * | 2016-12-23 | 2018-07-03 | 上海新微技术研发中心有限公司 | Electronic lock based on digital signal transmission and unlocking method |
| CN108242093B (en) * | 2016-12-23 | 2020-06-16 | 上海新微技术研发中心有限公司 | Electronic lock based on digital authentication and digital authentication method |
| CN106639669A (en) * | 2017-02-16 | 2017-05-10 | 山东千沐云物联科技股份有限公司 | All-purpose interchangeable smart lock |
| CN106981119A (en) * | 2017-05-05 | 2017-07-25 | 江苏速度信息科技股份有限公司 | Entrance guard management system and method based on body shape |
| CN108961636A (en) * | 2018-06-07 | 2018-12-07 | 深圳市小石安防科技有限公司 | Smart lock alarm method and device |
| WO2021023164A1 (en) | 2019-08-02 | 2021-02-11 | 云丁网络技术(北京)有限公司 | Intelligent lock control method and system |
| CN112446982A (en) * | 2019-08-10 | 2021-03-05 | 云丁网络技术(北京)有限公司 | Method, device, computer readable medium and equipment for controlling intelligent lock |
| CN111210552A (en) * | 2020-01-14 | 2020-05-29 | 中山市坚荣锁业有限公司 | Multiple safe intelligent lock |
| CN116030558A (en) * | 2023-03-27 | 2023-04-28 | 长沙鑫特科技有限公司 | Four kinds of business libraries of bank based on face identification and dynamic trick lock |
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| CN104732631A (en) | 2015-06-24 |
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