CN103793987A - Remote control lock based on visible light communication technology - Google Patents
Remote control lock based on visible light communication technology Download PDFInfo
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- CN103793987A CN103793987A CN201410067176.9A CN201410067176A CN103793987A CN 103793987 A CN103793987 A CN 103793987A CN 201410067176 A CN201410067176 A CN 201410067176A CN 103793987 A CN103793987 A CN 103793987A
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Abstract
The invention discloses a remote control lock based on a visible light communication technology. The remote control lock comprises a visible light key and a visible light lockset, wherein the visible light key is provided with main parts including a configuration interface, a key controller, a visible light emitting module, a key power supply module and a key switch/reset button; the visible light lockset comprises main parts including a visible light receiving module, a lockset controller, an electromagnetic lock, a lockset power supply module and a lockset switch/reset button. The remote control lock disclosed by the invention has the advantages of being convenient, practical, stable in work, high in safety and the like; compared with a mechanical lock, the remote control lock has the advantages that lots of different key codes can be stored in the same electronic key which is used for unlocking different locksets, simultaneously, the codes can be conveniently set for encrypting, and an unlocking process is relatively quick; compared with a wireless electric remote control lock, the remote control lock disclosed by the invention has high safety since the key codes are difficult to intercept, interfere or copy.
Description
Technical field
The present invention relates to the technology such as visible light communication, information security and secret protection, relate in particular to a kind of remote-controlled lock based on visible light communication technology.
Background technology
Major part lock in the market all adopts mechanical key unlocking mode: on the one hand, must carry different keys to drive different locks; On the other hand, normal key easily copies, and in the time that key is lost, the security of lock reduces greatly.Along with the development of modern lockset, people have developed the novel modes of unblanking such as the biological lock of the coded lock that utilizes code keypad to carry out release, the remote-controlled lock that utilizes wireless communication technology and applying biological recognition technology gradually, to strengthen the security of lockset.But modern lockset still exists corresponding drawback, lock as example the remote-control key transmitted radio signal of wireless remote control lock, transmission security key information take increasingly universal wireless remote control; Lockset is opened after receiving correct key information.Wireless remote control latching operation is convenient, locks widespread use at arrangements for automotive doors, uses radio controlled common door lock also day by day common.But the radio signal of wireless remote control lock transmitting is easily intercepted, disturbs and copy, and therefore its security is not high.
In recent years, visible light communication technical development is rapid.Visible light communication, uses visible light source, can, in illumination, realize the function such as communication and indoor positioning.Visible light communication system, generally uses the light sources such as light emitting diode (LED), by changing the drive current size of LED, the luminous intensity of light source is changed, thus carry information; At receiving end, by using the devices such as photodiode (PD), the variation that is size of current by the change transitions of received optical power, then processes through further in electric territory, recovers transmission information.
Summary of the invention
Goal of the invention: in order to overcome the deficiencies in the prior art, the invention provides a kind of remote-controlled lock based on visible light communication technology, eliminate the hidden danger that the modes of unblanking such as machinery and wireless remote control exist, a kind of better and practical solution is provided aspect security protection.
Technical scheme: for achieving the above object, the technical solution used in the present invention is:
Based on a remote-controlled lock for visible light communication technology, comprise visible ray key and visible ray lockset two parts;
Described visible ray key comprises configuration interface, key controller, VISIBLE LIGHT EMISSION module, key power module and key switch/reset button, configuration interface, key controller and VISIBLE LIGHT EMISSION module are connected successively, key power module is connected with configuration interface, key controller, VISIBLE LIGHT EMISSION module and key switch/reset button, and key switch/reset button is connected with key controller;
Described configuration interface is used for input configuration information, and exports to key controller;
Described key controller produces key code sequence according to configuration information, and exports to VISIBLE LIGHT EMISSION module;
Described VISIBLE LIGHT EMISSION module converts key code sequence to corresponding current signal, drives light-emitting diode chip for backlight unit to send visible ray, the visible light signal intensity current signal changes in amplitude of sending and changing;
Described key power module is configuration interface, key controller, VISIBLE LIGHT EMISSION module and key switch/reset button power supply;
Described key switch/reset button provides unlatching, closes or reset signal for visible ray key;
Described visible ray lockset comprises visible ray receiver module, lock controller, electromagnetic lock, lockset power module and lockset switch/reset button, visible ray receiver module, lock controller and electromagnetic lock are connected successively, lockset power module is connected with visible ray receiver module, lock controller, electromagnetic lock and lockset switch/reset button, and lockset switch/reset button is connected with lock controller;
Described visible ray receiver module converts visible light signal to curtage signal, curtage signal amplitude changes with visible light signal Strength Changes, curtage signal is carried out to filtering, amplification and shaping operation simultaneously, recover key code sequence, and send to lock controller;
Described lock controller contrasts the key code sequence of the key code sequence receiving and self storage, if comparing result is consistent, exports unlocking signal pilot relay and opens electromagnetic lock;
Described lockset power module is visible ray receiver module, lock controller, electromagnetic lock and lockset switch/reset button power supply;
Described lockset switch/reset button provides unlatching, closes or reset signal for visible ray lockset.
The key code sequence that described key controller produces according to configuration information is enciphered message or non-encrypted information; If enciphered message, first described lock controller is decrypted operation to the key code sequence receiving, then the key code sequence of the key code sequence after deciphering and self storage is contrasted, if comparing result is consistent, exports unlocking signal pilot relay and open electromagnetic lock.
Described configuration interface is one or more interfaces in the medium interface shape of touch-screen, display screen, button, pilot lamp, acoustic control or radio communication.
Described visible ray key is integrated on smart mobile phone, using man-machine interface, processor, LED flashlamp and the power module of smart mobile phone respectively as configuration interface, key controller, VISIBLE LIGHT EMISSION module, key power module, configuration key switch/reset button in application program.
After opening application program, adopt the mode of on-off keying to modulate key code sequence, driving LED flashlamp is luminous, and the circulation of key code sequence is sent, and stops at any time sending by key switch/reset button.
Beneficial effect: the remote-controlled lock based on visible light communication technology provided by the invention, has the advantages such as convenient and practical, working stability and security height; Compared with mechanical lock, on same electron key, can store a large amount of different key codes, realization is unblanked to different locksets, and encodes and can arrange easily and encrypt, and the process of unblanking is also relatively quick; With the phase-locked ratio of wireless remote control, safe, key code is difficult to be intercepted, disturb or copy.
Accompanying drawing explanation
Fig. 1 is visible ray Key structure figure of the present invention;
Fig. 2 is visible ray lock structure figure of the present invention;
Fig. 3 is a kind of embodiment schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further described.
Based on a remote-controlled lock for visible light communication technology, comprise visible ray lockset 2 two parts shown in the visible ray key 1 shown in Fig. 1 and Fig. 2.
As shown in Figure 1, described visible ray key 1 comprises configuration interface 1-1, key controller 1-2, VISIBLE LIGHT EMISSION module 1-3, key power module 1-4 and key switch/reset button 1-5, configuration interface 1-1, key controller 1-2 are connected successively with VISIBLE LIGHT EMISSION module 1-3, key power module 1-4 is connected with configuration interface 1-1, key controller 1-2, VISIBLE LIGHT EMISSION module 1-3 and key switch/reset button 1-5, and key switch/reset button 1-5 is connected with key controller 1-2.
Described configuration interface 1-1 is used for input configuration information, and exports to key controller 1-2; Described key controller 1-2 produces key code sequence according to configuration information, and exports to VISIBLE LIGHT EMISSION module 1-3; Described VISIBLE LIGHT EMISSION module 1-3 converts key code sequence to corresponding current signal, drives light-emitting diode chip for backlight unit to send visible ray, the visible light signal intensity current signal changes in amplitude of sending and changing; Described key power module 1-4 is configuration interface 1-1, key controller 1-2, VISIBLE LIGHT EMISSION module 1-3 and key switch/reset button 1-5 power supply; Described key switch/reset button 1-5 provides unlatching, closes or reset signal for visible ray key 1.
As shown in Figure 2, described visible ray lockset 2 comprises visible ray receiver module 2-1, lock controller 2-2, electromagnetic lock 2-3, lockset power module 2-4 and lockset switch/reset button 2-5, visible ray receiver module 2-1, lock controller 2-2 are connected successively with electromagnetic lock 2-3, lockset power module 2-4 is connected with visible ray receiver module 2-1, lock controller 2-2, electromagnetic lock 2-3 and lockset switch/reset button 2-5, and lockset switch/reset button 2-5 is connected with lock controller 2-2.
Described visible ray receiver module 2-1 converts visible light signal to curtage signal, curtage signal amplitude changes with visible light signal Strength Changes, curtage signal is carried out to filtering, amplification and shaping operation simultaneously, recover key code sequence, and send to lock controller 2-2; Described lock controller 2-2 contrasts the key code sequence of the key code sequence receiving and self storage, if comparing result is consistent, exports unlocking signal pilot relay and opens electromagnetic lock 2-3; Described lockset power module 2-4 is visible ray receiver module 2-1, lock controller 2-2, electromagnetic lock 2-3 and lockset switch/reset button 2-5 power supply; Described lockset switch/reset button 2-5 provides unlatching, closes or reset signal for visible ray lockset 2.
The key code sequence that described key controller 1-2 produces according to configuration information is enciphered message or non-encrypted information; If enciphered message, first described lock controller 2-2 is decrypted operation to the key code sequence receiving, then the key code sequence of the key code sequence after deciphering and self storage is contrasted, if comparing result is consistent, exports unlocking signal pilot relay and open electromagnetic lock 2-3.
Described configuration interface 1-1 is one or more interface shapes in touch-screen, display screen, button, pilot lamp, acoustic control or radio communication.
As shown in Figure 3, for a kind of embodiment of the present invention, visible ray key 1 is integrated on smart mobile phone, by writing application program, using man-machine interface, processor, LED flashlamp and the power module of smart mobile phone respectively as configuration interface 1-1, key controller 1-2, VISIBLE LIGHT EMISSION module 1-3, key power module 1-4, configuration key switch/reset button 1-5 in application program.After application program is opened, adopt the mode of on-off keying (OOK) to modulate key code sequence, driving LED flashlamp is luminous, and the circulation of key code sequence is sent, and stops at any time sending by key switch/reset button 1-5.
In visible ray lockset 2, visible ray receiver module 2-1 adopts photoelectric cell 2DU10, and the light signal receiving is converted into voltage signal, and voltage signal intensity is linear approximate relationship with the visible light signal power receiving.Lock controller 2-2 adopts single-chip microcomputer MSP430F149 to realize.Single-chip microcomputer is sampled and decoding to the voltage signal receiving, and the key code sequence of the key code sequence obtaining and single-chip microcomputer inner setting is compared, and exports corresponding control signal according to comparison result.Control signal level is connected to the base stage of triode Q1 by resistance R 1, the collector of triode Q1 is connected to power supply VCC by resistance R 2, the emitter grounding of triode Q1.The driving circuit end of relay is connected to the collector of triode Q1, and control circuit end is connected with electromagnetic lock 2-3.When circuit working, if the success of key code sequences match, single-chip microcomputer output unlocking signal, drives relay, controls electromagnetic lock and opens; After default a period of time of time delay, electromagnetic lock cuts out, and single-chip microcomputer is opened interruption, waits new reception signal; If key code sequences match is unsuccessful, single-chip microcomputer is opened interruption, waits new reception signal.
The above is only the preferred embodiment of the present invention; be noted that for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the remote-controlled lock based on visible light communication technology, is characterized in that: comprise visible ray key (1) and visible ray lockset (2) two parts;
Described visible ray key (1) comprises configuration interface (1-1), key controller (1-2), VISIBLE LIGHT EMISSION module (1-3), key power module (1-4) and key switch/reset button (1-5), configuration interface (1-1), key controller (1-2) is connected successively with VISIBLE LIGHT EMISSION module (1-3), key power module (1-4) and configuration interface (1-1), key controller (1-2), VISIBLE LIGHT EMISSION module (1-3) is connected with key switch/reset button (1-5), key switch/reset button (1-5) is connected with key controller (1-2),
Described configuration interface (1-1) is for input configuration information, and exports to key controller (1-2);
Described key controller (1-2) produces key code sequence according to configuration information, and exports to VISIBLE LIGHT EMISSION module (1-3);
Described VISIBLE LIGHT EMISSION module (1-3) converts key code sequence to corresponding current signal, drives light-emitting diode chip for backlight unit to send visible ray, the visible light signal intensity current signal changes in amplitude of sending and changing;
Described key power module (1-4) is configuration interface (1-1), key controller (1-2), VISIBLE LIGHT EMISSION module (1-3) and key switch/reset button (1-5) power supply;
Described key switch/reset button (1-5) provides unlatching, closes or reset signal for visible ray key (1);
Described visible ray lockset (2) comprises visible ray receiver module (2-1), lock controller (2-2), electromagnetic lock (2-3), lockset power module (2-4) and lockset switch/reset button (2-5), visible ray receiver module (2-1), lock controller (2-2) and electromagnetic lock (2-3) are connected successively, lockset power module (2-4) is connected with visible ray receiver module (2-1), lock controller (2-2), electromagnetic lock (2-3) and lockset switch/reset button (2-5), and lockset switch/reset button (2-5) is connected with lock controller (2-2);
Described visible ray receiver module (2-1) converts visible light signal to curtage signal, curtage signal amplitude changes with visible light signal Strength Changes, curtage signal is carried out to filtering, amplification and shaping operation simultaneously, recover key code sequence, and send to lock controller (2-2);
Described lock controller (2-2) contrasts the key code sequence of the key code sequence receiving and self storage, if comparing result is consistent, exports unlocking signal pilot relay and opens electromagnetic lock (2-3);
Described lockset power module (2-4) is visible ray receiver module (2-1), lock controller (2-2), electromagnetic lock (2-3) and lockset switch/reset button (2-5) power supply;
Described lockset switch/reset button (2-5) provides unlatching, closes or reset signal for visible ray lockset (2).
2. the remote-controlled lock based on visible light communication technology according to claim 1, is characterized in that: the key code sequence that described key controller (1-2) produces according to configuration information is enciphered message or non-encrypted information; If enciphered message, described lock controller (2-2) is first decrypted operation to the key code sequence receiving, then the key code sequence of the key code sequence after deciphering and self storage is contrasted, if comparing result is consistent, exports unlocking signal pilot relay and open electromagnetic lock (2-3).
3. the remote-controlled lock based on visible light communication technology according to claim 1, is characterized in that: described configuration interface (1-1) is one or more interface shapes in touch-screen, display screen, button, pilot lamp, acoustic control or radio communication.
4. the remote-controlled lock based on visible light communication technology according to claim 1, it is characterized in that: described visible ray key (1) is integrated on smart mobile phone, using man-machine interface, processor, LED flashlamp and the power module of smart mobile phone respectively as configuration interface (1-1), key controller (1-2), VISIBLE LIGHT EMISSION module (1-3), key power module (1-4), configuration key switch/reset button (1-5) in application program.
5. the remote-controlled lock based on visible light communication technology according to claim 4, it is characterized in that: after opening application program, adopt the mode of on-off keying to modulate key code sequence, driving LED flashlamp is luminous, the circulation of key code sequence is sent, stop at any time sending by key switch/reset button (1-5).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410067176.9A CN103793987A (en) | 2014-02-26 | 2014-02-26 | Remote control lock based on visible light communication technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410067176.9A CN103793987A (en) | 2014-02-26 | 2014-02-26 | Remote control lock based on visible light communication technology |
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| CN103793987A true CN103793987A (en) | 2014-05-14 |
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| CN201410067176.9A Pending CN103793987A (en) | 2014-02-26 | 2014-02-26 | Remote control lock based on visible light communication technology |
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Cited By (9)
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| CN105023332A (en) * | 2015-07-30 | 2015-11-04 | 南京邮电大学 | Visible light based Internet of Things hotel room lock control system |
| CN105202717A (en) * | 2015-10-30 | 2015-12-30 | 广东美的制冷设备有限公司 | Control method, system and mobile terminal of air conditioner as well as infrared control device |
| CN105931331A (en) * | 2016-04-20 | 2016-09-07 | 上海斐讯数据通信技术有限公司 | Intelligent lock based on optical communication and unlocking method |
| CN105957208A (en) * | 2016-06-12 | 2016-09-21 | 河北驰凯科技有限公司 | Smartphone flashlight-controlled light-operated anti-theft lock and unlocking method |
| CN106094536A (en) * | 2016-06-06 | 2016-11-09 | 朱明德 | A kind of underground special CCD optic communication intelligent mobile interconnected control systems |
| CN108010168A (en) * | 2017-12-16 | 2018-05-08 | 南宁学院 | A kind of coding lock system based on the communication of Mobile phone electric torch LED light |
| CN108915381A (en) * | 2018-07-02 | 2018-11-30 | 潘世辰 | A kind of electromagnetism coded lock |
| CN110288736A (en) * | 2019-06-26 | 2019-09-27 | 珠海格力电器股份有限公司 | A kind of repositioning method and electronic lock of electronic lock |
| CN111092654A (en) * | 2019-12-05 | 2020-05-01 | 南京艾凯特光电科技有限公司 | Light detection, illumination and communication integrated device and control method thereof |
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| CN108010168A (en) * | 2017-12-16 | 2018-05-08 | 南宁学院 | A kind of coding lock system based on the communication of Mobile phone electric torch LED light |
| CN108915381A (en) * | 2018-07-02 | 2018-11-30 | 潘世辰 | A kind of electromagnetism coded lock |
| CN110288736A (en) * | 2019-06-26 | 2019-09-27 | 珠海格力电器股份有限公司 | A kind of repositioning method and electronic lock of electronic lock |
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Application publication date: 20140514 |