CN104008587A - Energy-saving safe-guard chain door lock based on optical communication technique - Google Patents
Energy-saving safe-guard chain door lock based on optical communication technique Download PDFInfo
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- CN104008587A CN104008587A CN201410249139.XA CN201410249139A CN104008587A CN 104008587 A CN104008587 A CN 104008587A CN 201410249139 A CN201410249139 A CN 201410249139A CN 104008587 A CN104008587 A CN 104008587A
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- 238000004891 communication Methods 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000003287 optical effect Effects 0.000 title claims abstract description 18
- HDDSHPAODJUKPD-UHFFFAOYSA-N fenbendazole Chemical group C1=C2NC(NC(=O)OC)=NC2=CC=C1SC1=CC=CC=C1 HDDSHPAODJUKPD-UHFFFAOYSA-N 0.000 title abstract 3
- 239000000428 dust Substances 0.000 claims description 12
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- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract 1
- 238000004134 energy conservation Methods 0.000 abstract 1
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- 230000005622 photoelectricity Effects 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The invention discloses an energy-saving safe-guard chain door lock based on an optical communication technique. The chain door lock comprises a lock cylinder arranged behind a door plank. The lock cylinder specifically comprises an optical signal receiving unit, a data protocol converting module, a decoding module, a storage unit, a comparison module and a control module, wherein the optical signal receiving unit is used for receiving optical signals sent by a photoelectricity password key; the data protocol converting module is used for converting the received optical signals into electric signals; the comparison module is used for comparing unlocking password information analyzed by the decoding module with the preset password information stored in the storage unit; the control module controls the chain door lock to be unlocked when the unlocking password information analyzed by the decoding module is as the same with the preset password information, and controls an alarming module to alarm when the unlocking password information analyzed by the decoding module is different from the preset password information. The energy-saving safe-guard chain door lock has the beneficial effects that the lock cylinder is mainly composed of a photosensor arranged behind the door plank, a key hole or an electronic device is not exposed outside, so that the safety of the door lock is improved extremely. The lock nearly does not need metal, so that resources are saved, electricity is nearly not consumed when a door is not opened, so that the concept of energy conservation and environmental protection is met.
Description
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technical field:
The invention belongs to optical communication field of intelligent control, it relates to a kind of energy-saving anti-theft door lock based on optical communication technique.
background technology:
Existing door lock is opened form and is realized mainly with mechanical billiard, remote control, fingerprint, password, magnetic card etc. greatly, and various forms of theftproof locks emerge in an endless stream.Though mechanical cylinder lock complexity has difference, anti-theft feature is poor because easily prized for general mechanical lock, can in a few minutes or dozens of minutes, be opened by improper with current unlocking technique.Remote-controlled lock uses certain difficulty for many people especially old man and child, and because of existing market occur the equipment such as demoder, interference unit, also can be by unnormal unlocking.And Fingerprint Lock, coded lock usable range limitation is used inconveniently, lawless person may open coded lock completely by regular password test simultaneously.Magnetic card lock, because magnetic card is easily replicated, does not reach safety requirements, is eliminated by market.
At present common electronic lock and electron key adopts electromechanical combined more, and the electronic signal of utilizing the intelligent chip of installing on the key to carry is connected the circuit that opens the door of door lock, the physical construction transmission of the recycling key required power that opens the door.But due to key loss or be replicated, tend to make the safety of system to be on the hazard.This hidden danger is same being suitable for for traditional mechanical key and the electron key that accesses to your password.
Also there is following open defect in conventional door lock: cannot monitor door interlock switch and switching time, steal and cannot record the event of illegally opening the door so that vaild evidence to be provided if any illegal invasion.
Visible light communication is a kind of communication mode taking light wave as transmission medium, and its high speed light and shade flash signal being invisible to the naked eye of utilizing light emitting diode etc. to send is carried out transmission information.Visible light communication has following outstanding advantages: visible light communication is green resource, does not have electromagnetic radiation; There is quite abundant frequency spectrum resource, without communication blind district, convenient and swift; Visible light communication transmission speed is fast, and its transfer rate is up to upper gigabit per second, and message capacity is large; Good confidentiality and anti-electromagnetic interference capability are strong.Thereby visible light communication is widely applied gradually in door-locking system.
summary of the invention:
The technical problem to be solved in the present invention is for above-mentioned deficiency of the prior art, and a kind of energy-saving anti-theft key based on optical communication technique is provided.
Energy-saving anti-theft key based on optical communication technique provided by the invention, concrete technical scheme is as follows:
An energy-saving anti-theft door lock based on optical communication technique, this door lock comprises the lock core that is arranged at door-plate behind, wherein, lock core specifically comprises: light signal receiving element, the light signal sending for receiving photoelectric password key; Data protocol modular converter, for being converted to electric signal by the described light signal receiving; Decoding module, for parsing unlocking cipher information from described electric signal; Storage unit, for storing default encrypted message; Comparing module, compares for unlocking cipher information that decoding module parses is gone out and default encrypted message; Control module, when the unlocking cipher information parsing when decoding module is identical with default encrypted message, controls described door lock and unblanks, and when different, reports to the police by alarm module.
Preferably, described door lock also comprises aperture reserved on door-plate and the corresponding transparent dust cover arranging, and described transparent dust cover has been the lens of optically focused effect; Described light signal receiving element comprises photodiode, signal amplifier and bandpass filter; The light signal that described photoelectric password key sends comprises infrared signal and visible light signal; When described infrared signal and two kinds of light signals of visible light signal are irradiated on described transparent dust cover, assemble through described transparent dust cover, while shining light signal receiving element by described aperture again simultaneously, data protocol modular converter is triggered and starts working, and two kinds of light signals that receive are converted to electric signal; Described storage unit is also stored the time that door lock is opened at every turn; Described control module is the single-chip microcomputer with power-off protection.
Preferably, described photoelectric diode is PIN photodiode or avalanche photodide; Described signal amplifier is logarithmic amplifier.
Preferably, described decoding module is for being translated into the digital signal of CMI code the digital signal of NRZ code.
Preferably, described control module is for controlling the combination of micro motor and driving gear set, driving gear set comprises driving gear and follower gear, the input end of micro motor is connected with the output terminal of control module, and on the output rotor of this micro motor, be fixed with driving gear, this driving gear engages with follower gear, is fixed with and carries out the locking baffle plate of locking with block action on the axle of follower gear.
Preferably, described control module is for controlling the combination of electromagnetic switch and latch assembly, latch assembly comprises locking bar, back-moving spring, push rod and spring push-rod, the input end of electromagnetic switch is connected with the output terminal of control module, and output terminal is a spring contact being driven by Inside coil magnetic path, this spring contact drives described latch assembly to carry out and locks and block action.
Preferably, described alarm module comprises the wireless communication module for alert being sent to remote server.
Preferably, the using method of energy-saving anti-theft door lock as above, comprises the steps: to receive by light signal receiving element the light signal that photoelectric password key sends; By data protocol modular converter, described light signal is converted to electric signal; From described electric signal, parse unlocking cipher information by decoding module; ,, when identical, control described door lock and unblank to described unlocking cipher information and the encrypted message prestoring by comparing module Determination, when different, report to the police by alarm module.
The beneficial effect of the energy-saving anti-theft door lock based on optical communication technique provided by the invention is: lock core mainly forms by being arranged on door-plate photosensitive device behind, there is no outside keyhole or electronic installation be exposed to the security that has improved greatly door lock; User uses and is easy to left-hand seat, and robber's sniffing attack difficulty is but very large, once mistaking, key will report to the police, and locking unlock circuit, security improves greatly; This lock needs metal hardly, economizes on resources, and power consumption hardly in the time not opening the door, meets the theory of energy-conserving and environment-protective; Key can arbitrarily be changed at any time, and can be combined with mobile phone, energy-conserving and environment-protective more.
brief description of the drawings:
Fig. 1 is the schematic diagram of the energy-saving anti-theft door lock based on optical communication technique provided by the present invention.
Wherein Reference numeral 1-antitheft door door-plate; 2-door lock; Reserved aperture on 3-door-plate; 4-lock core.
embodiment:
Now by reference to the accompanying drawings the present invention is described further.
As Fig. 1 shows the energy-saving anti-theft door lock based on optical communication technique provided by the present invention.A kind of energy-saving anti-theft door lock 2 based on optical communication technique, this door lock 2 comprises the lock core 4 that is arranged at door-plate behind, wherein, lock core 4 specifically comprises: light signal receiving element, the light signal sending for receiving photoelectric password key; Data protocol modular converter, for being converted to electric signal by the described light signal receiving; Decoding module, for parsing unlocking cipher information from described electric signal; Storage unit, for storing default encrypted message; Comparing module, compares for unlocking cipher information that decoding module parses is gone out and default encrypted message; Control module, when the unlocking cipher information parsing when decoding module is identical with default encrypted message, controls described door lock 2 and unblanks, and when different, reports to the police by alarm module.
Preferably, described door lock 3 also comprises aperture reserved on door-plate 3 and the corresponding transparent dust cover arranging, and described transparent dust cover has been the lens of optically focused effect; Described light signal receiving element comprises photodiode, signal amplifier and bandpass filter; The light signal that described photoelectric password key sends comprises infrared signal and visible light signal; When described infrared signal and two kinds of light signals of visible light signal are irradiated on described transparent dust cover, assemble through described transparent dust cover, while shining light signal receiving element by described aperture 3 again simultaneously, data protocol modular converter is triggered and starts working, and two kinds of light signals that receive are converted to electric signal; Described storage unit is also stored the time that door lock 2 is opened at every turn; Described control module is the single-chip microcomputer with power-off protection.
Preferably, described photoelectric diode is PIN photodiode or avalanche photodide; Described signal amplifier is logarithmic amplifier.
Preferably, described decoding module is for being translated into the digital signal of CMI code the digital signal of NRZ code.
Preferably, described control module is for controlling the combination of micro motor and driving gear set, driving gear set comprises driving gear and follower gear, the input end of micro motor is connected with the output terminal of control module, and on the output rotor of this micro motor, be fixed with driving gear, this driving gear engages with follower gear, is fixed with and carries out the locking baffle plate of locking with block action on the axle of follower gear.
Preferably, described control module is for controlling the combination of electromagnetic switch and latch assembly, latch assembly comprises locking bar, back-moving spring, push rod and spring push-rod, the input end of electromagnetic switch is connected with the output terminal of control module, and output terminal is a spring contact being driven by Inside coil magnetic path, this spring contact drives described latch assembly to carry out and locks and block action.
Preferably, described alarm module comprises the wireless communication module for alert being sent to remote server.
Preferably, the using method of energy-saving anti-theft door lock as above, comprises the steps: to receive by light signal receiving element the light signal that photoelectric password key sends; By data protocol modular converter, described light signal is converted to electric signal; From described electric signal, parse unlocking cipher information by decoding module; ,, when identical, control described door lock and unblank to described unlocking cipher information and the encrypted message prestoring by comparing module Determination, when different, report to the police by alarm module.
The beneficial effect of the energy-saving anti-theft door lock based on optical communication technique provided by the invention is: lock core mainly forms by being arranged on door-plate photosensitive device behind, there is no outside keyhole or electronic installation be exposed to the security that has improved greatly door lock; User uses and is easy to left-hand seat, and robber's sniffing attack difficulty is but very large, once mistaking, key will report to the police, and locking unlock circuit, security improves greatly; This lock needs metal hardly, economizes on resources, and power consumption hardly in the time not opening the door, meets the theory of energy-conserving and environment-protective; Key can arbitrarily be changed at any time, and can be combined with mobile phone, energy-conserving and environment-protective more.
Certainly, the above is only preferred embodiment of the present invention, and the present invention is not limited to above-described embodiment and implementation method.The practitioner of correlative technology field can carry out different variations and enforcement in the scope of technological thought license of the present invention, the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (8)
1. the energy-saving anti-theft door lock based on optical communication technique, this door lock comprises the lock core that is arranged at door-plate behind, it is characterized in that, lock core specifically comprises:
Light signal receiving element, the light signal sending for receiving photoelectric password key;
Data protocol modular converter, for being converted to electric signal by the described light signal receiving;
Decoding module, for parsing unlocking cipher information from described electric signal;
Storage unit, for storing default encrypted message;
Comparing module, compares for unlocking cipher information that decoding module parses is gone out and default encrypted message;
Control module, when the unlocking cipher information parsing when decoding module is identical with default encrypted message, controls described door lock and unblanks, and when different, reports to the police by alarm module.
2. energy-saving anti-theft door lock as claimed in claim 1, is characterized in that: described door lock also comprises aperture reserved on door-plate and the corresponding transparent dust cover arranging, and described transparent dust cover has been the lens of optically focused effect; Described light signal receiving element comprises photodiode, signal amplifier and bandpass filter; The light signal that described photoelectric password key sends comprises infrared signal and visible light signal; When described infrared signal and two kinds of light signals of visible light signal are irradiated on described transparent dust cover, assemble through described transparent dust cover, while shining light signal receiving element by described aperture again simultaneously, data protocol modular converter is triggered and starts working, and two kinds of light signals that receive are converted to electric signal; Described storage unit is also stored the time that door lock is opened at every turn; Described control module is the single-chip microcomputer with power-off protection.
3. energy-saving anti-theft door lock as claimed in claim 2, is characterized in that: described photoelectric diode is PIN photodiode or avalanche photodide; Described signal amplifier is logarithmic amplifier.
4. energy-saving anti-theft door lock as claimed in claim 2, is characterized in that: described decoding module is for being translated into the digital signal of CMI code the digital signal of NRZ code.
5. energy-saving anti-theft door lock as claimed in claim 3, it is characterized in that: described control module is for controlling the combination of micro motor and driving gear set, driving gear set comprises driving gear and follower gear, the input end of micro motor is connected with the output terminal of control module, and on the output rotor of this micro motor, be fixed with driving gear, this driving gear engages with follower gear, is fixed with and carries out the locking baffle plate of locking with block action on the axle of follower gear.
6. energy-saving anti-theft door lock as claimed in claim 3, it is characterized in that: described control module is for controlling the combination of electromagnetic switch and latch assembly, latch assembly comprises locking bar, back-moving spring, push rod and spring push-rod, the input end of electromagnetic switch is connected with the output terminal of control module, and output terminal is a spring contact being driven by Inside coil magnetic path, this spring contact drives described latch assembly to carry out and locks and block action.
7. the energy-saving anti-theft door lock as described in claim 5 or 6, is characterized in that: described alarm module comprises the wireless communication module for alert being sent to remote server.
8. the using method of the energy-saving anti-theft door lock as described in any one in claim 1 to 7, comprises the steps:
Receive by light signal receiving element the light signal that photoelectric password key sends;
By data protocol modular converter, described light signal is converted to electric signal;
From described electric signal, parse unlocking cipher information by decoding module;
,, when identical, control described door lock and unblank to described unlocking cipher information and the encrypted message prestoring by comparing module Determination, when different, report to the police by alarm module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249139.XA CN104008587A (en) | 2014-06-09 | 2014-06-09 | Energy-saving safe-guard chain door lock based on optical communication technique |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410249139.XA CN104008587A (en) | 2014-06-09 | 2014-06-09 | Energy-saving safe-guard chain door lock based on optical communication technique |
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| CN104008587A true CN104008587A (en) | 2014-08-27 |
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| CN201410249139.XA Pending CN104008587A (en) | 2014-06-09 | 2014-06-09 | Energy-saving safe-guard chain door lock based on optical communication technique |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104746958A (en) * | 2015-01-30 | 2015-07-01 | 西南大学 | Door lock system based on weak radioactive source |
| CN105915538A (en) * | 2016-05-30 | 2016-08-31 | 广州铱星光电科技有限公司 | Internet-of-thing controller and control method based on short-distance visible light two-way communication |
| CN106296896A (en) * | 2016-07-29 | 2017-01-04 | 暨南大学 | A kind of gate control system based on LED visible light communication |
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Effective date of registration: 20151010 Address after: Plum Street Jing Jia Pingdu City of Qingdao province Shandong 262800 Village Applicant after: Geng Yunhua Address before: 239001 Anhui road Ziwei Nanqiao District Chuzhou City, No. 1559 Building 5 room 113 Applicant before: Chuzhou Hui Zhi science service company limited |
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Application publication date: 20140827 |