CN102121335A - Bluetooth electronic lock system based on random number unlocking - Google Patents
Bluetooth electronic lock system based on random number unlocking Download PDFInfo
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- CN102121335A CN102121335A CN2011100532936A CN201110053293A CN102121335A CN 102121335 A CN102121335 A CN 102121335A CN 2011100532936 A CN2011100532936 A CN 2011100532936A CN 201110053293 A CN201110053293 A CN 201110053293A CN 102121335 A CN102121335 A CN 102121335A
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Abstract
The invention belongs to the technical field of electronic locks, and particularly relates to a bluetooth electronic lock system based on random number unlocking. The system is separated into a key part and a lock part, wherein the key is an intelligent mobile phone with a bluetooth function; the lock comprises power supply conversion, a singlechip, a bluetooth transceiver module, a liquid crystal display (LCD), a general packet radio service (GPRS) module and an electronic lock; the key end and the lock end are communicated and transmit unlocking data through bluetooth; and data transmitted between the lock and the key are random numbers generated at the lock end. Compared with the conventional bluetooth electronic lock system, through the random number generated at the lock end and characteristic that the random number is only used once, difficulty and cost for illegal unlocking are increased. The random number is generated at the lock end, so that a user can acquire and save the random number by a safe mode for use next time; and when the mobile phone is lost or stolen, or encounters other situations, the user can communicate with the lock through the GPRS module to cancel the primary unlocking random number and generate and acquire a new random number. The system has the characteristics of simpleness and safety.
Description
Technical field
The invention belongs to the electronic lock technical field, be specifically related to a kind of electronic lock system of unblanking based on random number.
Background technology
At present common electronic lock control system is generally by the wireless transmission control signal, but the data of transmission are easily intercepted, and is subjected to extraneous frequency interferences big, and safety is not high.The Bluetooth electronic lock system that occurs on the market, substantially be two kinds of situations: the 1st, utilize Bluetooth communication to transmit the data of unblanking, because bluetooth all is disclosed to all bluetooth equipments, and the Bluetooth transmission data can be by the intercepting of other communication equipment, and this security of system is not high; The 2nd, some Bluetooth electronics lock is in order to improve safety, encrypts or adds too much hardware controls by complexity, and this causes the system architecture complexity, the cost height.The bluetooth module that native system is held by mobile phone and lock carries out Bluetooth communication, the bluetooth module of lock end is when the wireless serial use, and a kind of new verification method of unblanking proposed, under the situation that improves security of system greatly, and system architecture is simple, cost is low, and the practicality height is applicable in the small-sized door-locking system.
Summary of the invention
The object of the present invention is to provide the Bluetooth electronic lock system that a kind of safety is good, simple in structure, cost is low.
Bluetooth electronic lock system of unblanking based on random number provided by the invention, it comprises blue-tooth intelligence mobile phone, single-chip microcomputer, bluetooth module, GPRS module, LCD Liquid Crystal Module, electric lockset, power supply conversion.Wherein the blue-tooth intelligence mobile phone constitutes the key end of electronic lock system.Peripheral components such as single-chip microcomputer, bluetooth module, GPRS module, LCD Liquid Crystal Module, electric lockset, power supply conversion constitute the lock end of electronic lock system.Key end and lock end communicate by bluetooth, send the data of unblanking.Wherein:
Key end, by establishment blue-tooth intelligence handset program, the user imports the data of correct unlatching lock, and the data that will unblank of blue-tooth intelligence mobile phone send to the lock end by bluetooth then;
Lock end, SCM program are realized receiving the data that the lock end sends by bluetooth module, and verify, if by checking then unblank, otherwise do not open and record;
The data of transmitting between the lock ﹠ key are the random numbers that produced by certain rule by the lock end, when unblanking at every turn, the bluetooth module of lock end receives the data that mobile phone sends, single-chip microcomputer compares the random number that can unblank specifically of preserving in these data and the single-chip microcomputer, the control signal of unblanking with generation; Random number and key and phase-locked pass, lock can be preserved these data, and informs key by certain mode, and key only can use when unblanking next time, and once effective, and lock will regenerate at random
Number.
After unblanking to finish, the lock end produces the random number of unblanking next time at every turn, and the user can or read the LCD module and obtain this random number of unblanking by Bluetooth communication, GPRS communication.The lock end is realized auto-unlocking by peripheral circuit.
Compare with traditional electronic lock system, the safety that the random number that this Bluetooth electronic lock control system produces by the lock end has improved lock by the short-range communication characteristics of bluetooth module, has avoided data to be stolen by wireless signal.Compare with Bluetooth electronic lock system in the past, random number and the only expendable characteristics of this random number by the lock end produces have increased the difficulty and the cost of illegally unblanking.Random number is produced by the lock end, and the user obtains with secured fashion and preserves so that use next time; In case situation such as take place that lost mobile phone is stolen, the user can get in touch by GPRS module and lock, cancels former random number of unblanking, and generation and obtain new random number.This system has simple, safe characteristic.
Main feature of the present invention:
The key of at every turn unblanking is all different, is the random number that produces certain-length according to certain rule, and the no one knows in advance;
Random number is produced by the lock end, is selected to obtain in the mode of safety by the user, and once comes into force, and ends the lock back and cancels;
Description of drawings
Fig. 1, the Bluetooth electronic lock system schematic of unblanking based on random number.
Fig. 2, the Bluetooth electronic lock system key end structure block diagram of unblanking based on random number.
Fig. 3, the Bluetooth electronic lock system lock end structure block diagram of unblanking based on random number.
Fig. 4, the Bluetooth electronic lock systems soft ware process chart of unblanking based on random number.
Number in the figure: 1 is the blue-tooth intelligence mobile phone, and 2 is single-chip microcomputer, and 3 is bluetooth module, and 4 is the GPRS module, and 5 is the LCD Liquid Crystal Module, and 6 is electric lockset.
The specific embodiment
Introduce the specific embodiment below in conjunction with figure:
The Bluetooth electronic lock system of unblanking based on random number is made up of key and lock two parts.Key intercoms by bluetooth module mutually with lock.The structured flowchart of system as shown in Figure 1.
Key end realizes the serial ports sending function by programming on mobile phone, connect, and disconnects connecting, and the baud rate setting sends data format and selects transmission and transmission and received content interface displayed.The control interface as shown in Figure 2.
The lock end is made of Cygnal series monolithic, relay, LED, GPRS module, LCD LCD, power supply conversion and electric lockset etc.Single-chip microcomputer operation kernel program, carry out processing, random number to the data of unblanking produce, to operations such as the control of GPRS module, LCD liquid crystal display displays; Relay links to each other with the electronic lock system interface, by relay electric lockset is specifically controlled, and relay is driven by amplifying circuit; LED is used to indicate the duty of current bluetooth module; The power supply conversion is used to satisfy the different requirements of different chip voltages.Lock end structure block diagram as shown in Figure 3.
Based on the Bluetooth electronic lock system that random number is unblanked, specific implementation is as follows:
1, system is carried out initialization, start the work of lock end.
The key of 2, at every turn unblanking is all different, and this key is by the random number of the single-chip microcomputer of locking end according to the certain-length of certain rule generation, can increase random number length and improve security of system.The user is after ending once lock, and the random number that the lock end will be unblanked last time is cancelled, and regenerates the key of unblanking next time, if the random number that produces and repetition is arranged before regenerates, shows by LCD.
3, after the user enters, can be by Bluetooth communication, GPRS module communication, read three kinds of modes of LCD and obtain the random number of unblanking next time, the user can be according to safety and the convenient obtain manner of selecting.
If 4 users lose or forget the key of unblanking, inform lock end GPRS module by short message, obtain the key of unblanking.If mobile phone is lost or is stolen, allow lock hold the random number of cancelling in the lost mobile phone by the GPRS module, regenerate the random number of unblanking, inform the user by the GPRS module.
5, for some disabled users behind the PIN code that cracks lock end bluetooth module, trial is unblanked or is attacked when locking, in the continuous frequency of failure above 3 times, work by single-chip microcomputer lock stop end bluetooth module, inform the user by the GPRS module, in this case, starting the work of lock end bluetooth module by the GPRS module earlier when unblanking next time communicates by letter again.The software flow pattern of system as shown in Figure 4.
Native system is by realizing above function, the safety that has improved system greatly.
Claims (2)
1. a Bluetooth electronic lock system of unblanking based on random number is characterized in that it comprises blue-tooth intelligence mobile phone, single-chip microcomputer, bluetooth module, GPRS module, LCD Liquid Crystal Module, electric lockset, power supply conversion; Wherein the blue-tooth intelligence mobile phone constitutes the key end of electronic lock system, and peripheral components such as single-chip microcomputer, bluetooth module, GPRS module, LCD Liquid Crystal Module, electric lockset, power supply conversion constitute the lock end of electronic lock system; Key end and lock end communicate by bluetooth, send the data of unblanking; Wherein:
Key end, by establishment blue-tooth intelligence handset program, the user imports the data of correct unlatching lock, and the data that will unblank of blue-tooth intelligence mobile phone send to the lock end by bluetooth then;
Lock end, SCM program are realized receiving the data that the lock end sends by bluetooth module, and verify, if by checking then unblank, otherwise do not open and record;
The data of transmitting between the lock ﹠ key are the random numbers that produced by certain rule by the lock end, when unblanking at every turn, the bluetooth module of lock end receives the data that the blue-tooth intelligence mobile phone sends, single-chip microcomputer compares the random number that can unblank specifically of preserving in these data and the single-chip microcomputer, the control signal of unblanking with generation; Random number and key and phase-locked pass, lock is preserved these data, and informs key by certain mode, and key only can use when unblanking next time, and once effective, and lock will regenerate random number.
2. Bluetooth electronic lock system of unblanking according to claim 1 based on random number, after the end that it is characterized in that at every turn unblanking, the lock end produces the random number of unblanking next time, and the user communicates by letter by Bluetooth communication, GPRS or reads the LCD module and obtain this random number of unblanking; The lock end is realized auto-unlocking by peripheral circuit.
Priority Applications (1)
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CN201110053293A CN102121335B (en) | 2011-03-07 | 2011-03-07 | Bluetooth electronic lock system based on random number unlocking |
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CN201110053293A CN102121335B (en) | 2011-03-07 | 2011-03-07 | Bluetooth electronic lock system based on random number unlocking |
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CN102121335A true CN102121335A (en) | 2011-07-13 |
CN102121335B CN102121335B (en) | 2012-10-17 |
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Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102542649A (en) * | 2012-03-11 | 2012-07-04 | 李凯 | Method for controlling locking system by mobile equipment |
CN102555987A (en) * | 2011-12-27 | 2012-07-11 | 南京理学工程数据技术有限公司 | Password vehicle-locking control method |
CN102663842A (en) * | 2012-04-09 | 2012-09-12 | 李凯 | Method for mobile device to control multiple external devices |
CN102915588A (en) * | 2012-11-02 | 2013-02-06 | 深圳市普罗巴克科技股份有限公司 | Bluetooth technology-based intelligent lock system and control method thereof |
CN105701884A (en) * | 2014-11-25 | 2016-06-22 | 镇江金软计算机科技有限责任公司 | Bluetooth technology-based safety lock system |
CN105813069A (en) * | 2016-03-15 | 2016-07-27 | 杭州立方控股股份有限公司 | Smart lock with MAC address and control method of the smart lock |
US9609512B2 (en) | 2014-10-09 | 2017-03-28 | Userstar Information System Co., Ltd. | Wireless authentication system and wireless authentication method |
CN106815916A (en) * | 2017-02-21 | 2017-06-09 | 湖北科技学院 | A kind of mobile phone dynamic authentication electronic lock |
CN109255864A (en) * | 2018-08-02 | 2019-01-22 | 深圳市朗仁科技有限公司 | Shared bicycle bluetooth method for unlocking and device |
CN109281545A (en) * | 2017-07-19 | 2019-01-29 | 雅帝科技股份有限公司 | Operate easy electronic lock |
CN109493498A (en) * | 2018-12-26 | 2019-03-19 | 无锡卓信信息科技股份有限公司 | Electron key and electronic lock |
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CN101594423A (en) * | 2009-06-17 | 2009-12-02 | 王伟 | A kind of circuit and method of utilizing Bluetooth of mobile phone to carry out the automatic switch lock |
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CN2750003Y (en) * | 2004-11-01 | 2006-01-04 | 华为技术有限公司 | Electronic lock terminal |
CN201056907Y (en) * | 2007-05-22 | 2008-05-07 | 林戈非 | Remote control network electronic lock |
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Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102555987A (en) * | 2011-12-27 | 2012-07-11 | 南京理学工程数据技术有限公司 | Password vehicle-locking control method |
CN102542649A (en) * | 2012-03-11 | 2012-07-04 | 李凯 | Method for controlling locking system by mobile equipment |
CN102542649B (en) * | 2012-03-11 | 2014-09-10 | 李凯 | Method for controlling locking system by mobile equipment |
CN102663842B (en) * | 2012-04-09 | 2015-03-11 | 李凯 | Method for mobile device to control multiple external devices |
CN102663842A (en) * | 2012-04-09 | 2012-09-12 | 李凯 | Method for mobile device to control multiple external devices |
CN102915588B (en) * | 2012-11-02 | 2015-07-29 | 凯拔(中国)科技有限公司 | Based on intelligent lock system and the control method thereof of Bluetooth technology |
CN102915588A (en) * | 2012-11-02 | 2013-02-06 | 深圳市普罗巴克科技股份有限公司 | Bluetooth technology-based intelligent lock system and control method thereof |
US9609512B2 (en) | 2014-10-09 | 2017-03-28 | Userstar Information System Co., Ltd. | Wireless authentication system and wireless authentication method |
CN105701884A (en) * | 2014-11-25 | 2016-06-22 | 镇江金软计算机科技有限责任公司 | Bluetooth technology-based safety lock system |
CN105813069A (en) * | 2016-03-15 | 2016-07-27 | 杭州立方控股股份有限公司 | Smart lock with MAC address and control method of the smart lock |
CN106815916A (en) * | 2017-02-21 | 2017-06-09 | 湖北科技学院 | A kind of mobile phone dynamic authentication electronic lock |
CN109281545A (en) * | 2017-07-19 | 2019-01-29 | 雅帝科技股份有限公司 | Operate easy electronic lock |
CN109255864A (en) * | 2018-08-02 | 2019-01-22 | 深圳市朗仁科技有限公司 | Shared bicycle bluetooth method for unlocking and device |
CN109493498A (en) * | 2018-12-26 | 2019-03-19 | 无锡卓信信息科技股份有限公司 | Electron key and electronic lock |
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