CN108520574A - A kind of closed circuit access control system of dynamic password based on visible light communication - Google Patents
A kind of closed circuit access control system of dynamic password based on visible light communication Download PDFInfo
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- CN108520574A CN108520574A CN201810165770.XA CN201810165770A CN108520574A CN 108520574 A CN108520574 A CN 108520574A CN 201810165770 A CN201810165770 A CN 201810165770A CN 108520574 A CN108520574 A CN 108520574A
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- module
- password
- visible light
- control system
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/114—Indoor or close-range type systems
- H04B10/116—Visible light communication
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a kind of closed circuit access control system of the dynamic password based on visible light communication, which includes two parts of door lock control system and key system for unlocking.Wherein, door lock control system is made of visible light sequential receiving module, visible light sequential sending module, digital signal processing module, the first control module, comparison module, memory module, unlock drive module, random number generation module.Key system for unlocking camera, flash lamp, the second control module composition, can also be the mobile terminal with camera and flash lamp or special key circuit.User can be allowed to glisten against door by mobile terminal or special key circuit by above system to unlock, it is convenient and efficient, while malice being prevented to unlock.
Description
Technical field
The present invention relates to a kind of closed circuit access control systems of the dynamic password based on visible light communication, belong to visible light communication technology
Field.
Background technology
Visible light communication technology is that have straight by way of controlling driving current and LED light high speed scintillation is made to realize communication
The connection effect of sight, transmission rate are high.When short distance connects, directive property is strong, penetrability is weak, and therefore, information is not easy to be stolen and block
It cuts, strong security.Visible light communication system also has the advantages such as equipment cost is low.
The electronic access control systems such as traditional NFC access control systems, fingerprint entrance guard system, electronic cipher access control system, have at
This height, poor safety performance be easy to cause the features such as malice cracks, door-opening mode not enough facilitates.And using visible light as communication mode
Electric lockset access control system can be allowed to reduce cost, improve safe and reliable Cheng Du, and door-opening mode is convenient.
Chinese patent " CN105023332A " discloses a kind of Internet of Things lock control system based on visible light.But there are still
Following shortcoming：1, the password of each door is static, increases lock and is maliciously cracked successful risk；2, lock is by Wi-
Fi is connected on a background server, is needed to build in server, LAN and lock and is added Wi-Fi module, cost is substantially
The raising of degree.And the information that server has the possibility attacked and Wi-Fi to transmit has the risk maliciously intercepted and captured.
Another Chinese patent " CN104715532A " discloses a kind of visible light access control system, although promising illegal unlock
And the alarm system being arranged, but password is still fixed does not solve the problems, such as that password is maliciously cracked fundamentally yet.And
And there is also following deficiencies for the patent：1, " the optical key module " designed by the patent uses LED array, and it is unnecessary to increase
Cost and module volume；2, it in " optical key module " and door-control lock progress ID registrations, the data transmissions such as password modification, needs
" optical key module " is connect with access control system by data-interface and data line, the touching display screen in access control system is reused
It is operated.So that the cost of the access control system is elevated, and user's use is not convenient enough.
Above-mentioned two pieces patent has all used other communication modes to transmit user informations other than visible light communication, not only at
This raising, safety and comfort level do not have too big advantage, and fail adequately to utilize every advantage of visible light communication.
Invention content
The technical problem to be solved by the present invention is to：A kind of closed circuit gate inhibition system of the dynamic password based on visible light communication is provided
System is only completed user information typing request, unlocking request and password acceptance by visible light communication and is asked, has at low cost, peace
The advantages that property is high entirely.
The present invention uses following technical scheme to solve above-mentioned technical problem：
A kind of closed circuit access control system of dynamic password based on visible light communication, including door lock control system and key unlock system
System two parts, wherein door lock control system includes visible light sequential receiving module, digital signal processing module, the first control mould
Block, random number generation module, memory module, comparison module, visible light sequential sending module, unlock drive module；Key unlocks
System includes flash lamp, camera, the second control module；
The input terminal of the flash lamp is connect with the output end of the second control module, output end and the visible light sequence of flash lamp
The input terminal of row receiving module connects, and for sending different visible light signals to visible light sequential receiving module, including newly uses
Family data input request signal, unlocking request signal and password acceptance pass signal；
The output end of the camera is connect with the input terminal of the second control module, input terminal and the visible light sequence of camera
The output end of row sending module connects, the new password for receiving the transmission of visible light sequential sending module；
The visible light sequential receiving module is for receiving different visible light signals, it will be seen that optical signal is converted to number
Digital signal processing module processing is sent into after signal；
The digital signal processing module be used for judge reception digital signal be new user information typing request signal or
Person's unlocking request signal or password acceptance pass signal, and will determine that result is sent into the first control module；
First control module is used to, when digital signal is new user information typing request signal, distribute for new user
ID, while driving random number generation module to generate initial password and opening the door next time use for the user, ID and initial password are passed through
Visible light sequential sending module is sent to new user, and new user sends out password to visible light sequential receiving module after receiving successfully and connects
After the first control module receives the signal, memory module is written in new User ID and initial password by harvest function signal；Work as number
When signal is unlocking request signal, according to the ID of unlocking request signal institute band, the proper password of the ID in memory module is called, it will
Proper password is sent into comparison module with the password of unlocking request signal institute band and is compared, when to obtain password consistent for comparison module
When as a result, driving random number generation module generates the password to open the door next time, and is sent to user, and user receives password and sends
After password acceptance pass signal, driving unlock drive module is unlocked operation, while replacing storage with the password that next time opens the door
The current door-opening password of module storage；
The password that the memory module is used to store the ID of user and user opens the door next time；
The unlock drive module for driving being turned on and off for door lock, and by door lock to be turned on and off state real-time
Feed back to the first control module.
As a preferred embodiment of the present invention, when the comparison module obtains password inconsistent result, misregistration
Number, when comparison module continuously obtains inconsistent result several times and number is more than predetermined threshold value, the first control module is frozen
The unlocking function of knot unlock drive module, and maintain certain time length.
It, will be new when the state of the unlock drive module feedback door lock is unlatching as a preferred embodiment of the present invention
Memory module is written in User ID and initial password.
As a preferred embodiment of the present invention, the flash lamp is light emitting diode.
As a preferred embodiment of the present invention, the camera is photodiode.
The present invention has the following technical effects using above technical scheme is compared with the prior art：
1, the present invention is based on the closed circuit access control systems of the dynamic password of visible light communication, only by visible light communication, realize door
The unlatching of lock.
2, the present invention is based on the closed circuit access control system of the dynamic password of visible light communication, reduce cost, at the same safety and
Comfort level increases, while malice being prevented to crack.
Description of the drawings
Fig. 1 is a kind of integrated stand composition of the closed circuit access control system of dynamic password based on visible light communication of the invention.
Fig. 2 is flow chart of the new user to access control system register information.
Fig. 3 is exemplary system figure of the new user to access control system register information.
Fig. 4 is that password comparison is consistent when user unlocks, the flow chart that new password generates.
Fig. 5 is that password comparison is consistent when user unlocks, the exemplary system figure that new password generates.
Fig. 6 is that user is properly received new password, the flow chart that unlock driving unit opens door.
Fig. 7 is that user is properly received new password, the exemplary system figure that unlock driving unit opens door.
Specific implementation mode
Embodiments of the present invention are described below in detail, the example of the embodiment is shown in the accompanying drawings.Below by
The embodiment being described with reference to the drawings is exemplary, and is only used for explaining the present invention, and is not construed as limiting the claims.
As shown in Figure 1, being a kind of overall architecture of the closed circuit access control system of dynamic password based on visible light communication of the invention
Figure.The access control system is made of door lock control system and key system for unlocking two parts, and door lock control system includes visible light sequence
Row receiving module, visible light sequential sending module, digital signal processing module, the first control module, comparison module, unlock driving
Module, memory module, random number generation module；Key system for unlocking includes camera, flash lamp, the second control module.Wherein：
The output of visible light sequential receiving module terminates at the input terminal of digital signal processing module；Visible light sequential is sent
The input of module terminates at the output end of the first control module；The output of digital signal processing module terminates at the first control module
Input terminal；The input terminal of first control module be connected on respectively random number generation module, memory module output end, output end point
It is not connected on comparison module, visible light sequential sending module, memory module, the input terminal for unlocking drive module；Comparison module it is defeated
Go out to terminate at the input terminal of random number generation module；The output of unlock drive module terminates at lock；The output end of memory module
It is connected on the input terminal of the first control module；The output of random number generation module terminates at the input terminal of control module.
The input of flash lamp terminates at the output end of the second control module, and the output of flash lamp terminates at visible light sequential and connects
The input terminal of module is received, the output of camera terminates at the input terminal of the second control module, and the input of camera terminates at visible
The output end of light sequence sending module, camera receive the letter that the visible light sequential sending module from door lock control system is sent
Number, flash lamp sends visible light signal to the visible light sequential receiving module of door lock control system.
Visible light sequential receiving module receives the signal sent from key system for unlocking and is handled, it will be seen that light is believed
It number is converted to digital signal and is sent into digital signal processing module processing.Visible light sequential sending module will need the information that sends with
Visible light form is sent.
Key system for unlocking using flash lamp as visible light signal transmitting terminal, camera as visible light signal receiving terminal,
The request that user needs is sent to door lock control system under the control of the second control module, door lock control system can also be received
It unites the necessary information sent to user.
Digital signal processing module judges user after the digital signal for receiving the output of visible light sequential receiving module
Request be unlock request or new user information typing request or the successful signal of password acceptance, and knot will be handled accordingly
Fruit is transmitted to the operation that the first control module carries out specific event.
First control module is responsible for controlling the operations of door lock control system, including driving comparison module is compared behaviour
Make, driving random number generation module carries out transmission, the reading of password update operation, driving visible light sequential sending module into row information
Write update of the memory module into row information and the calling to prestored message.
Comparison module is responsible for comparing the unlocking cipher that key system for unlocking is sent out and the proper password that memory module has been deposited
It is no consistent, unlocking instruction is exported to unlock drive module if consistent.If someone's malice decryption, when password match mistake
When being more than accidentally several numbers, signal specific can be triggered, unlocking function is freezed into certain time length.
Unlock drive module is responsible for driving the open and close of door lock, and the open and close state of real-time door lock is anti-
It feeds door-locking system, only when it is the state opened to unlock drive module feedback door to open, user just can be to using in memory module
The management and read-write of family information.
Memory module is responsible for storing the register information of each user, and storage random number generation module each of is generated
The corresponding unlocking cipher of user.When unlocking operation carries out, the first control module reads corresponding user information and close
Code information, and comparison module is driven to be compared.When carrying out write operation to memory module, need first to receive user's movement eventually
" password acceptance success " information that end is sent out stores mould to prevent key system for unlocking from occurring being not successfully receiving new password
Block the case where typing new password causes the user not unlock normally.
Random number generation module gives one group of random number of the user in each unregistered user's first registration user information
Sequence opens password as new.And after each registered user completes a unlocking operation, the module by for the user of unlocking more
The password of new needs of unlocking next time.
Key system for unlocking can send visible optical information by one with light emitting diode, photodiode receives visible light
The custom circuit or mobile terminal of information substitute.
User installs a special software in key system for unlocking.When needing to unlock, opening software can then drive
Flash lamp transmits password with certain frequency scintillation, using the flicker of flash lamp to door lock control system, if password and door lock
The password stored in control system is consistent, then the random number generation module in door lock control system can generate a string of new passwords,
New password is sent by the visible light sequential sending module of door lock control system in the form of visible light, and by key system for unlocking
Camera receive, and be reduced to Serial No. store in case next time open the door use.When door lock control system determines newly
It can just open the door when password is properly received by key system for unlocking.
As shown in Figure 2 and Figure 3, flow chart, exemplary system figure of the respectively new user to access control system register information, in figure
Name, ID, the password being related to are equal as an example, not representing ordinary circumstance.When there is new user to want typing door lock control system：
1, unlock drive module will feed back to the on off state of door door lock control system, and door needs in the open state
Just have permission the new user of typing；
2, user opens key system for unlocking and starts flash lamp, and " new user information typing is sent to door lock control system
The information of request "；
3, can be that the user distributes an id information when door receives " new user information typing request " in the on-state,
Random number generator is triggered simultaneously, generates a string of random ciphers, and the initial password as user makes so that user opens the door next time
With；
4, id information and password can be sent to user, the camera shooting of key system for unlocking by door lock control system by visible light
Head receives information and handles, and after key system for unlocking confirms successful data reception, flash lamp can be driven to door lock control system
Send the information of " password acceptance success "；
5, after door lock control system receives the information, memory module can be written with password in the ID of the user.
As shown in Figure 4, Figure 5, password comparison is consistent when respectively family is unlocked, the flow chart of new password generation, exemplary system
Figure, name, ID, password involved in figure be not as an example, represent ordinary circumstance.When there is user to need to open the door：
1, user sends request of unlocking by key system for unlocking, and mobile terminal can be sent at this time：Unlocking request+User ID
+ password；
2, door lock control system can read the password of the user from memory module and be sent into comparison module after receiving information, than
The password that user sends is compared with the password that memory module stores compared with module；
3, when password is completely the same, comparison module will trigger random number generation module, generate a new password, door
New password can be sent to the key system for unlocking of user by lock control system.
As shown in Figure 6, Figure 7, respectively user be properly received new password, unlock driving unit door is opened flow chart,
Exemplary system figure, name, ID, password involved in figure be not as an example, represent ordinary circumstance.When user's key system for unlocking
After receiving new password by password authentification：
1, the information of " password acceptance success " will be sent to door lock control system；
2, door lock control system can trigger unlock drive module and unlock door upon receiving this information, while will be new close
Code write-in memory module.
Above example is merely illustrative of the invention's technical idea, and protection scope of the present invention cannot be limited with this, every
According to technological thought proposed by the present invention, any change done on the basis of technical solution each falls within the scope of the present invention
Within.
Claims (5)
1. a kind of closed circuit access control system of dynamic password based on visible light communication, which is characterized in that including door lock control system and
Key system for unlocking two parts, wherein door lock control system include visible light sequential receiving module, digital signal processing module,
First control module, random number generation module, memory module, comparison module, visible light sequential sending module, unlock driving mould
Block；Key system for unlocking includes flash lamp, camera, the second control module；
The input terminal of the flash lamp is connect with the output end of the second control module, and output end and the visible light sequential of flash lamp connect
The input terminal connection for receiving module, for sending different visible light signals, including new user letter to visible light sequential receiving module
Cease typing request signal, unlocking request signal and password acceptance pass signal；
The output end of the camera is connect with the input terminal of the second control module, and input terminal and the visible light sequential of camera are sent out
The output end of module is sent to connect, the new password for receiving the transmission of visible light sequential sending module；
The visible light sequential receiving module is for receiving different visible light signals, it will be seen that optical signal is converted to digital signal
It is sent into digital signal processing module processing afterwards；
The digital signal processing module is used to judge that the digital signal received to be new user information typing request signal or opens
Request signal or password acceptance pass signal are locked, and will determine that result is sent into the first control module；
First control module is used to, when digital signal is new user information typing request signal, ID is distributed for new user,
It drives random number generation module to generate initial password simultaneously to open the door next time use for the user, ID and initial password be passed through visible
Light sequence sending module is sent to new user, new user receive successfully after to visible light sequential receiving module send out password acceptance at
After the first control module receives the signal, memory module is written in new User ID and initial password by function signal；Work as digital signal
For unlocking request signal when, according to the ID of unlocking request signal institute band, call the proper password of the ID in memory module, will be correct
Password is compared with the password feeding comparison module of unlocking request signal institute band, when comparison module obtains the consistent result of password
When, driving random number generation module generates the password to open the door next time, and is sent to user, and user receives password and sends password
After receiving pass signal, driving unlock drive module is unlocked operation, while replacing memory module with the password that next time opens the door
The current door-opening password of storage；
The password that the memory module is used to store the ID of user and user opens the door next time；
Door lock is turned on and off state Real-time Feedback by the unlock drive module for driving being turned on and off for door lock
To the first control module.
2. the closed circuit access control system of dynamic password according to claim 1 based on visible light communication, which is characterized in that the ratio
When obtaining the inconsistent result of password compared with module, misregistration number, when comparison module continuously obtains inconsistent knot several times
When fruit and number are more than predetermined threshold value, the first control module is freezed to unlock the unlocking function of drive module, and maintains certain time length.
3. the closed circuit access control system of dynamic password according to claim 1 based on visible light communication, which is characterized in that the solution
The state for locking drive module feedback door lock is that memory module is written in new User ID and initial password when opening.
4. the closed circuit access control system of dynamic password according to claim 1 based on visible light communication, which is characterized in that the sudden strain of a muscle
Light lamp is light emitting diode.
5. the closed circuit access control system of dynamic password according to claim 1 based on visible light communication, which is characterized in that described to take the photograph
As head is photodiode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165770.XA CN108520574A (en) | 2018-02-28 | 2018-02-28 | A kind of closed circuit access control system of dynamic password based on visible light communication |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810165770.XA CN108520574A (en) | 2018-02-28 | 2018-02-28 | A kind of closed circuit access control system of dynamic password based on visible light communication |
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ID=63433342
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| CN201810165770.XA Pending CN108520574A (en) | 2018-02-28 | 2018-02-28 | A kind of closed circuit access control system of dynamic password based on visible light communication |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110047183A (en) * | 2019-04-23 | 2019-07-23 | 广东省海洋工程装备技术研究所 | A kind of door-locking system and its working method using laser frequency coding |
| CN111275862A (en) * | 2020-02-14 | 2020-06-12 | 京东方科技集团股份有限公司 | Unlocking method, door lock and door lock system |
| CN111414594A (en) * | 2020-03-23 | 2020-07-14 | 京东方科技集团股份有限公司 | Identity authentication method and computer-readable storage medium |
| CN112600174A (en) * | 2020-12-07 | 2021-04-02 | 珠海格力电器股份有限公司 | Safety control method and circuit, electric cabinet and electrical equipment |
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| CN106033625A (en) * | 2015-03-10 | 2016-10-19 | 阿里巴巴集团控股有限公司 | Lockset, mobile terminal, lockset control method, and lockset control system |
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| US5163097A (en) * | 1991-08-07 | 1992-11-10 | Dynamicserve, Ltd. | Method and apparatus for providing secure access to a limited access system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110047183A (en) * | 2019-04-23 | 2019-07-23 | 广东省海洋工程装备技术研究所 | A kind of door-locking system and its working method using laser frequency coding |
| CN111275862A (en) * | 2020-02-14 | 2020-06-12 | 京东方科技集团股份有限公司 | Unlocking method, door lock and door lock system |
| CN111414594A (en) * | 2020-03-23 | 2020-07-14 | 京东方科技集团股份有限公司 | Identity authentication method and computer-readable storage medium |
| CN111414594B (en) * | 2020-03-23 | 2023-11-28 | 京东方科技集团股份有限公司 | Identity authentication method and computer-readable storage medium |
| CN112600174A (en) * | 2020-12-07 | 2021-04-02 | 珠海格力电器股份有限公司 | Safety control method and circuit, electric cabinet and electrical equipment |
| CN112600174B (en) * | 2020-12-07 | 2022-04-01 | 珠海格力电器股份有限公司 | Safety control method and circuit, electric cabinet and electrical equipment |
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Application publication date: 20180911 |