CN102677969A - Photon key and light-operated door lock matched with same - Google Patents
Photon key and light-operated door lock matched with same Download PDFInfo
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- CN102677969A CN102677969A CN2012101329178A CN201210132917A CN102677969A CN 102677969 A CN102677969 A CN 102677969A CN 2012101329178 A CN2012101329178 A CN 2012101329178A CN 201210132917 A CN201210132917 A CN 201210132917A CN 102677969 A CN102677969 A CN 102677969A
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Abstract
The invention relates to a photon key and a light-operated door lock matched with the same. The photon key comprises a color optical signal emitting module which is used for emitting optical signals containing unlocking password information. The light-operated door lock comprises a color optical signal receiving module which is used for receiving the optical signals emitted by the photon key and converting the optical signals into electrical signals. A medium which is used for transmitting the unlocking password information is visual light except laser, and the light-operated door lock is not easy to influence by outside stray light such as sunlight and light emitted by fluorescent lamps and torches when receiving color light while the light-operated door lock is easy to influence by the outside stray light when receiving white light, so that high anti-interference capacity is achieved, noises can be reduced, performances can be improved, and compared with the laser, the color light causes no harm to eyes or skins of humans.
Description
Technical field
The present invention relates to the gate control system field, the light-operated door lock that relates in particular to a kind of photon key and be used with it.
Background technology
The wireless light communication technology is claimed the visible light communication again, and its high-frequency through led light source is glimmered and communicated, and has light to represent 1, unglazed representative 0, and its transfer rate is up to gigabit on the per second.Wireless light communication carries out transfer of data through visible light, compares with microwave technology, and quite abundant frequency spectrum resource is arranged, and is that general microwave communication and radio communication are incomparable; Visible light communication can be suitable for any communication protocol, be applicable to any environment simultaneously; Aspect safety, needn't worry that Content of Communication stolen by the people; The equipment of wireless light communication is convenient flexibly, and cost is very low, is fit to extensive popularization and application.
Gate control system belongs to the category of public safety system, is widely used a kind of high-tech safety device.Optical signal is not easy to be decrypted; Safe; Thereby in gate control system, be employed gradually, existing gate control system with optical signal transmission information comprises photon key and the light-operated door lock that cooperates with said photon key, said photon key is through launching the white light optical signal that contains unlocking cipher information that continuous sudden strain of a muscle is gone out; Said light-operated door lock is resolved said white light signal, thereby opens the door or close the door action.Yet; Because transmitting the carrier of said unlocking cipher information is white light; Light-operated door lock receives the influence of the extraneous veiling glares such as light that light that sunshine, fluorescence lamp send and flashlight send easily when receiving said white light, thereby poor anti jamming capability, and it is unreliable that noise reaches performance greatly.
Summary of the invention
Technical problem to be solved by this invention is, to the deficiency of above-mentioned prior art, proposes a kind of photon key and reaches the light-operated door lock that is used with it, and its antijamming capability is strong, the little and dependable performance of noise.
The technical solution adopted for the present invention to solve the technical problems is; A kind of light-operated door lock is proposed; It comprises the optical signal transmitter module, and said optical signal transmitter module is the colourama signal emission module, and said colourama signal emission module is used to launch the optical signal that contains unlocking cipher information.
Further, that said colourama signal emission module is sent is only red, orange, yellow, green, blue, a kind of monochromatic light in the indigo, purple.
Further, said photon key comprises microprocessor module, code conversion module and said optical signal transmitter module, and said microprocessor module is used to solidify unlocking cipher, and is the data signal of NRZ sign indicating number according to said unlocking cipher output code type; Said code conversion module is used for the digital signal conversion of said NRZ sign indicating number is become the data signal of CMI sign indicating number; Said optical signal transmitter module is used for containing according to the signal emission of said code conversion module output the said visible light signal of unlocking cipher information.
Further; Said code conversion module comprises sample circuit, decision circuit, reverse circuit, negative circuit, on-off circuit and combiner circuit; Said sample circuit, decision circuit and reverse circuit are electrically connected according to order, and said negative circuit, on-off circuit and combiner circuit are electrically connected according to order; Said sample circuit is electrically connected with said microprocessor module, and said sample circuit and negative circuit all are electrically connected with the bit synchronization signal input point, and said on-off circuit is electrically connected with said decision circuit, and said combiner circuit is electrically connected with said reverse circuit.
Further, said optical signal transmitter module comprises driver element and luminescence unit, and said driver element is used for driving continuous sudden strain of a muscle of said luminescence unit according to the signal that said code conversion module is exported and goes out.
Further, said luminescence unit is a zinc telluridse class green diode.
The invention also discloses the light-operated door lock that a kind of and described photon key is used; It comprises optical signal receiving module; Said optical signal receiving module is the colourama signal receiving module; This colourama signal receiving module is used to receive the visible light signal that contains unlocking cipher information that the photon key launches, and converts said optical signal to the signal of telecommunication.
Further; Said light-operated door lock comprises said optical signal receiving module, decoding module, micro controller module and electric control lock main body; Said decoding module is used for the data signal that optical signal receiving module passes the CMI sign indicating number come is translated into the data signal of NRZ sign indicating number; Said micro controller module is used for said NRZ yardage word signal is deciphered, and controls said electric control lock main body and open or close.
Further, said light-operated door lock also comprises balanced Shaping Module, and said balanced Shaping Module is used for the signal of optical signal receiving module output is eliminated intersymbol interference and corrected impulse waveform.
Further, said colourama signal receiving module comprises the green glow probe that is used to receive said visible light signal, and said green glow probe is used for converting green optical signal to the signal of telecommunication.
In sum; Photon key of the present invention is through being arranged to the colourama signal emission module with the optical signal transmitter module; Said light-operated door lock is provided with the colourama signal receiving module that is complementary with said colourama signal emission module, and the medium that transmits said unlocking cipher information is the visible light except that laser, therefore; Compare with white light; Said light-operated door lock is not easy to receive the influence of the extraneous veiling glares such as light that light that sunshine, fluorescence lamp send and flashlight send when receiving said colourama, thereby antijamming capability is strong, can reduce noise and improve performance; Compare with laser, said colourama can not cause any harm to the eyes or the skin of human body.
Description of drawings
Fig. 1 is the theory diagram of a kind of embodiment of photon key of the present invention.
Fig. 2 is the theory diagram of code conversion module of the present invention shown in Figure 1.
Fig. 3 is the theory diagram of a kind of embodiment of the light-operated door lock of the present invention.
Fig. 4 is the theory diagram of optical signal receiving module of the present invention shown in Figure 3.
Fig. 5 is the theory diagram of the balanced Shaping Module of the present invention shown in Figure 3.
Fig. 6 is the theory diagram of decoding module of the present invention shown in Figure 3.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done further description:
See also Fig. 1 and Fig. 3; The light-operated door lock 2 that the invention discloses a kind of photon key 1 and be used with it; Said photon key 1 comprises power module 11, microprocessor module 12, code conversion module 13 and optical signal transmitter module 14; Said power module 11 is electrically connected with said microprocessor module 12, code conversion module 13 and optical signal transmitter module 14, and is used to said microprocessor module 12, code conversion module 13 and 14 power supplies of optical signal transmitter module.Said power module 11 is provided with the switch (not shown), and said switch is used to control the unlatching of said power module 11 or cut out, and promptly realizes opening the photon key or closing the photon key.
Said microprocessor module 12 be provided be used for to the information of output encode, the microprocessor of encryption and verification computing and the serial ports that is electrically connected with said microprocessor; Said microprocessor can be single-chip microcomputer, FPGA or DSP; In the present embodiment; Said microprocessor is a single-chip microcomputer; Unlocking cipher is solidificated in the said single-chip microcomputer, and said single-chip microcomputer is the data signal of NRZ sign indicating number according to said unlocking cipher output code type, and said serial ports is used to send data signal to the said code conversion module 13 of said NRZ sign indicating number.
See also Fig. 2, said code conversion module 13 is used for the digital signal conversion of said NRZ sign indicating number is become the data signal of CMI sign indicating number.CMI (coded mark inversion, coded mark inverse code) sign indicating number is a kind of 1B2B sign indicating number (information code, two bit symbols), is about to pass a bit word of coming and representes with two bit word.When biography is come " 0 " sign indicating number, " 01 " sign indicating number that coding output is fixing; What come when biography is " 1 " when sign indicating number, and coding output " 00 " is " 11 " sign indicating number perhaps, and alternately occurs.In the present embodiment, said code conversion module 13 mainly is through the sampling to the NRZ sign indicating number, when the NRZ sign indicating number is 1, and 11 of output CMI sign indicating number, when the NRZ sign indicating number is 0, output code type 01.
Said code conversion module 13 comprises sample circuit 131, decision circuit 132, reverse circuit 133, negative circuit 134, on-off circuit 135 and combiner circuit 136; Said sample circuit 131, decision circuit 132 and reverse circuit 133 are electrically connected according to order, and said negative circuit 134, on-off circuit 135 and combiner circuit 136 are electrically connected according to order; Said sample circuit 131 is electrically connected with said microprocessor module 12; Said sample circuit 131 and negative circuit 134 all are electrically connected with bit synchronization signal BS input point; Said on-off circuit 135 is electrically connected with said decision circuit 132, and said combiner circuit 136 is electrically connected with said reverse circuit 133.The CMI sign indicating number that said code conversion module 13 forms is from said combiner circuit 136 outputs.Through said code conversion module 13 digital signal conversion of said NRZ sign indicating number is become the data signal of CMI sign indicating number, said CMI sign indicating number has the following advantages: there is not DC component in (1), and low frequency component is less; (2) have very strong clock-pulse component in the information code current, be convenient to from signal, extract clock information; (3) has certain error correcting capability.Thereby, can reduce the bit error rate that signal transmits.
Said optical signal transmitter module 14 is colourama signal emission module; It is used for containing according to the signal emission of said code conversion module 13 outputs the optical signal of information; It comprises driver element 141 and luminescence unit 142, and said driver element 141 is used for driving said luminescence unit 142 continuous sudden strain of a muscles according to the signal that said code conversion module 13 is exported and goes out.Said luminescence unit 142 can be the colorful light-emitting light source that can send a kind of or blend color in red, orange, yellow, green, blue, indigo, the purple, and it does not comprise laser.In the present embodiment, said luminescence unit 142 is green diodes, and its sudden strain of a muscle of under the driving of driver element 141, constantly carrying out high speed is gone out, and forms the optical signal of representing 0 and 1 signal, thereby the present invention also can provide illumination when needed in communication.Light-Emitting Diode is the semiconductor light emitting light source, and not only brightness is high, reliability is high, energy loss is low, size is little, environmental protection, has more that modulating performance is good, the response sensitivity advantages of higher.Said photon key of the present invention can be designed to the various shapes of being convenient to hang, and in the present embodiment, said photon key is cylindrical shape, and it can be suspended on the key chain, thereby is easy to carry.
See also Fig. 3 and Fig. 4, said light-operated door lock 2 comprises optical signal receiving module 21, balanced Shaping Module 22, decoding module 23, microprocessor module 24 and electric control lock main body 25.Said optical signal receiving module 21 is colourama signal receiving modules, and it is used for converting the optical signal that the photon key launches to the signal of telecommunication.Said optical signal receiving module 21 comprises green glow probe 211, signal amplifier 212 and bandpass filter 213, and said green glow probe 211 and said bandpass filter 213 are electrically connected with said signal amplifier 212 respectively.In the present embodiment; But said green glow probe 211 responsing center's frequencies are that 555nm, spectral width are the green glow about 10nm; Because the spectral response width of said green glow probe is less; Only near the visible light the 555nm there is response, and, can reduces the interference of extraneous visible light like this not response of other visible light; Said signal amplifier 212 is trans-impedance amplifiers.
See also Fig. 5; Said balanced Shaping Module 22 is used for the signal of optical signal receiving module 21 outputs is eliminated intersymbol interference and corrected impulse waveform; It comprises the operational amplifier 221 and the comparator 222 of mutual electrical connection; One input of the input of said operational amplifier 221 and said comparator 222 all is electrically connected with signal amplifier 212 outputs of said optical signal receiving module 21, and the output of said comparator 222 is electrically connected with said decoding module 23.
See also Fig. 6; Said decoding module 23 is used for optical signal receiving module 21 passes the CMI sign indicating number of coming after shaping data signal is translated into the data signal of NRZ sign indicating number; It comprises high low level split circuit 231 and decoding computing circuit 232; Said high low level split circuit 231 is used for the high low level of the CMI sign indicating number that receives is separated, and said decoding computing circuit 232 is used for the high low level after the said CMI sign indicating number separation is carried out same exclusive disjunction.
Said high low level split circuit 231 is provided with some d type flip flops, and said d type flip flop is provided with data input pin D, input end of clock CLK, anti-phase set end SD and data output end Q.The CMI sign indicating number of input is latched by each d type flip flop under the effect of clock CP.(mid point of first CMI sign indicating number of correspondence this moment is constantly) becomes rising edge through phase inverter when clock CP trailing edge reaches, the value of first CMI sign indicating number of d type flip flop output this moment, and be in preservation state, realize latching to first CMI code value.Through a CMI symbol width time; The rising edge of clock CP arrives (this moment in corresponding second CMI sign indicating number mid point moment), and d type flip flop is exported deputy CMI code value, meanwhile; First CMI sign indicating number that is latched gets into second d type flip flop, thereby realizes the separation of two CMI sign indicating numbers.
Said decoding computing circuit 232 comprises an XOR gate and a d type flip flop, and wherein, XOR gate connects first, second CMI sign indicating number output of sign indicating number position split circuit respectively, and NRZ is decoding output.Can know by CMI decoding principle, as long as same exclusive disjunction is carried out in first, second position of CMI sign indicating number, must its corresponding NRZ sign indicating number, so first, second does the anti-phase computing through XOR gate earlier to present embodiment again with the CMI sign indicating number, promptly gets and deciphers output.
Said micro controller module 24 is used for the NRZ yardage word signal that receives is deciphered, and controls said electric control lock main body 25 and open or close.Said microcontroller can be single-chip microcomputer, FPGA or DSP.In the present embodiment, said microcontroller is a single-chip microcomputer.Said electric control lock main body 25 comprises relay, motor and the parts such as dead bolt that are connected with drive of motor, and it is a prior art, repeats no more at this.
In sum; Photon key 1 of the present invention is through being arranged to the colourama signal emission module with optical signal transmitter module 14; Said light-operated door lock 2 is provided with the colourama signal receiving module that is complementary with said colourama signal emission module, and the medium that transmits said unlocking cipher information is the light except that laser, therefore; Compare with white light; Said light-operated door lock 2 is not easy to receive the influence of the extraneous veiling glares such as light that light that sunshine, fluorescence lamp send and flashlight send when receiving said colourama, thereby antijamming capability is strong, can reduce noise and improve performance; Compare with laser, said colourama can not cause any harm to the eyes or the skin of human body.
Combine accompanying drawing that embodiments of the invention are described above; But the present invention is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, rather than restrictive; Those of ordinary skill in the art is under enlightenment of the present invention; Not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (10)
1. photon key, it comprises the optical signal transmitter module, it is characterized in that: said optical signal transmitter module is the colourama signal emission module, said colourama signal emission module is used to launch the optical signal that contains unlocking cipher information.
2. photon key according to claim 1 is characterized in that: that said colourama signal emission module is sent is only red, orange, yellow, green, blue, a kind of monochromatic light in the indigo, purple.
3. photon key according to claim 1 and 2; It is characterized in that: said photon key comprises microprocessor module, code conversion module and said optical signal transmitter module; Said microprocessor module is used to solidify unlocking cipher, and is the data signal of NRZ sign indicating number according to said unlocking cipher output code type; Said code conversion module is used for the digital signal conversion of said NRZ sign indicating number is become the data signal of CMI sign indicating number; Said optical signal transmitter module is used for containing according to the signal emission of said code conversion module output the said visible light signal of unlocking cipher information.
4. photon key according to claim 3; It is characterized in that: said code conversion module comprises sample circuit, decision circuit, reverse circuit, negative circuit, on-off circuit and combiner circuit; Said sample circuit, decision circuit and reverse circuit are electrically connected according to order, and said negative circuit, on-off circuit and combiner circuit are electrically connected according to order; Said sample circuit is electrically connected with said microprocessor module, and said sample circuit and negative circuit all are electrically connected with the bit synchronization signal input point, and said on-off circuit is electrically connected with said decision circuit, and said combiner circuit is electrically connected with said reverse circuit.
5. photon key according to claim 3 is characterized in that: said optical signal transmitter module comprises driver element and luminescence unit, and said driver element is used for driving continuous sudden strain of a muscle of said luminescence unit according to the signal that said code conversion module is exported and goes out.
6. photon key according to claim 5 is characterized in that: said luminescence unit is a zinc telluridse class green diode.
7. light-operated door lock that is used with the described photon key of claim 1; It comprises optical signal receiving module; It is characterized in that: said optical signal receiving module is the colourama signal receiving module; This colourama signal receiving module is used to receive the optical signal that contains unlocking cipher information that the photon key launches, and converts said optical signal to the signal of telecommunication.
8. light-operated door lock according to claim 7; It is characterized in that: said light-operated door lock comprises said optical signal receiving module, decoding module, micro controller module and electric control lock main body; Said decoding module is used for the data signal that optical signal receiving module passes the CMI sign indicating number come is translated into the data signal of NRZ sign indicating number; Said micro controller module is used for said NRZ yardage word signal is deciphered, and controls said electric control lock main body and open or close.
9. light-operated door lock according to claim 8 is characterized in that: said light-operated door lock also comprises balanced Shaping Module, and said balanced Shaping Module is used for the signal of optical signal receiving module output is eliminated intersymbol interference and corrected impulse waveform.
10. according to each described light-operated door lock of claim 7 to 9, it is characterized in that: said colourama signal receiving module comprises the green glow probe that is used to receive said visible light signal, and said green glow probe is used for converting green optical signal to the signal of telecommunication.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210132917.8A CN102677969B (en) | 2012-04-28 | 2012-04-28 | Photon key and with it with the use of light-operated door lock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210132917.8A CN102677969B (en) | 2012-04-28 | 2012-04-28 | Photon key and with it with the use of light-operated door lock |
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| CN102677969A true CN102677969A (en) | 2012-09-19 |
| CN102677969B CN102677969B (en) | 2016-04-27 |
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| CN201210132917.8A Active CN102677969B (en) | 2012-04-28 | 2012-04-28 | Photon key and with it with the use of light-operated door lock |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426222A (en) * | 2013-09-09 | 2013-12-04 | 桂林理工大学 | Light-dependent control door guard device |
| CN105809791A (en) * | 2016-03-10 | 2016-07-27 | 文成县刀锋科技有限公司 | Access control system based on visible light communication |
| CN106981115A (en) * | 2017-04-01 | 2017-07-25 | 大连工业大学 | Light secret key gate control system and its verification method |
| CN108561021A (en) * | 2018-01-05 | 2018-09-21 | 湖南固尔邦幕墙装饰股份有限公司 | Fluorescence intelligent door |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106023380A (en) * | 2016-06-13 | 2016-10-12 | 苏州迈奇杰智能技术有限公司 | Energy-saving optically-controlled communication anti-theft system of mobile terminal |
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| JP2010180651A (en) * | 2009-02-06 | 2010-08-19 | Sharp Corp | Security system |
| CN201723008U (en) * | 2010-07-08 | 2011-01-26 | 徐泽宏 | Light-operated lock |
| CN201826624U (en) * | 2010-09-15 | 2011-05-11 | 张仙驰 | Lockset photoelectric key digital encoder |
| CN102182359A (en) * | 2009-11-19 | 2011-09-14 | 徐片红 | Puzzle type photoelectric password lock |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2010180651A (en) * | 2009-02-06 | 2010-08-19 | Sharp Corp | Security system |
| CN102182359A (en) * | 2009-11-19 | 2011-09-14 | 徐片红 | Puzzle type photoelectric password lock |
| CN201723008U (en) * | 2010-07-08 | 2011-01-26 | 徐泽宏 | Light-operated lock |
| CN201826624U (en) * | 2010-09-15 | 2011-05-11 | 张仙驰 | Lockset photoelectric key digital encoder |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103426222A (en) * | 2013-09-09 | 2013-12-04 | 桂林理工大学 | Light-dependent control door guard device |
| CN105809791A (en) * | 2016-03-10 | 2016-07-27 | 文成县刀锋科技有限公司 | Access control system based on visible light communication |
| CN106981115A (en) * | 2017-04-01 | 2017-07-25 | 大连工业大学 | Light secret key gate control system and its verification method |
| CN108561021A (en) * | 2018-01-05 | 2018-09-21 | 湖南固尔邦幕墙装饰股份有限公司 | Fluorescence intelligent door |
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| CN102677969B (en) | 2016-04-27 |
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Effective date of registration: 20150911 Address after: 518000 Guangdong city of Shenzhen province Futian District Shennan Road and CaiTian Road intersection East Xintiandi Plaza C block 2007-27 Applicant after: Shenzhen Guang Qi intelligent photonic Technology Co., Ltd. Address before: 518034 A international business center, No. 1061, Xiang Mei Road, Guangdong, Shenzhen, Futian District, China 18B Applicant before: Shenzhen Kuang-Chi Innovation Technology Co., Ltd. |
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