CN102737424A - Photon key - Google Patents
Photon key Download PDFInfo
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- CN102737424A CN102737424A CN2012101829272A CN201210182927A CN102737424A CN 102737424 A CN102737424 A CN 102737424A CN 2012101829272 A CN2012101829272 A CN 2012101829272A CN 201210182927 A CN201210182927 A CN 201210182927A CN 102737424 A CN102737424 A CN 102737424A
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Abstract
The invention provides a photon key. The photon key comprises a one-chip microcomputer, a light emitting diode driving circuit in communication connection with the one-chip microcomputer, a light emitting diode in communication connection with the light emitting diode driving circuit, a power supply management module in electric connection with the one-chip microcomputer, and a communication interface connected with the one-chip microcomputer. The photon key adopts the one-chip microcomputer as a main control unit, and the one-chip microcomputer selects an STC series one-chip microcomputer which has the advantages of low price, low power consumption, small volume and easy packaging, so the prepared photon key is small and portable, and costs low, and the safety performance of the photon key is substantially improved through writing in an unlocking password by the one-chip microcomputer, and through emitting visible light transmission unlocking password by the light emitting diode.
Description
Technical field
The present invention relates to the gate control system field, concrete relate to a kind of photon key.
Background technology
Gate control system is exactly the system that exit and entrance is carried out control, and it is development and come on traditional door lock basis.Traditional mechanical door lock only is simple mechanical hook-up, and no matter how reasonable structural design is, and how firm material is, and people can open it through various means.Pretty troublesome at a lot of passage of discrepancy personnel (office block, hotel guest room) key management, key loss or personnel change and will change lock & key together.For addressing these problems, the electronics magnetic card lock has just appearred, electronic password lock, the problem of electronics magnetic card lock is that information is replicated easily, and it is big to wear and tear between card and the card-reading machine, and failure rate is high, and safety coefficient is low; The problem of electronic password lock is that password is revealed easily, has no way of again having looked into, and safety coefficient is very low.Simultaneously, the product in this period is installed in outdoors owing to adopting Card Reader part (password input) and control section to lump together mostly, is easy to by the people at the outdoor lock of opening.In recent years along with contactless card is technological, the development of biological identification technology; The system that various technology such as induction cassette gate control system, fingerprint entrance guard system occurred; But induction cassette gate control system complex operation; Shortcomings such as fingerprint entrance guard system has fingerprint and is prone to be stolen, and client is prone to be damaged, and discrimination is low.
For addressing the above problem, light-operated gate control system is arisen at the historic moment, and light-operated gate control system generally includes photon key and light-operated door lock; The photon key is used to launch the light signal that contains unlocking cipher information; Light-operated door lock is resolved light signal after receiving light signal, if light signal contains unlocking cipher, then controls door lock and opens; Otherwise, then close.Yet existing photon key product still needs manually control input password, and for example application number is 201010100396.9 Chinese patent; Disclosed a kind of key of optical coded lock; This key of optical coded lock only converts 12 simple equivalences of button-type mechanical password door lock into 12 LED lamps, unlocking cipher is set, complicated operation through control LED lamp; The security performance of photon key is relatively poor, and cost is higher.
Summary of the invention
Technical matters to be solved by this invention is: a kind of photon key that has single-chip microcomputer is provided; Select the STC series monolithic for use; Single-chip microcomputer is cheap, power consumption is lower, volume Xiao Yi encapsulation; The photon key small volume and less weight of processing, cheap writes the mode of unlocking cipher through the transmission of visible light unlocking cipher through single-chip microcomputer, improves the security performance of photon key greatly.
The technical scheme that the present invention adopts is: a kind of photon key is provided; Comprise single-chip microcomputer and the LED driving circuit that is connected with single chip communication; With the light emitting diode that LED driving circuit is communicated by letter and is connected, also comprise power management module that is electrically connected with single-chip microcomputer and the communication interface that is connected with single-chip microcomputer.
Preferably, power management module comprises rechargeable battery and power management chip.
Preferably, rechargeable battery is a lithium battery.
Preferably, rechargeable battery is an ickel-cadmium cell.
Preferably, rechargeable battery is a Ni-MH battery.
Preferably, power management module is connected with communication interface.
Preferably, communication interface is a USB interface.
Preferably, communication interface is the UART interface.
Preferably, communication interface is the RS-232/485 interface.
Preferably, the single-chip microcomputer clock is the crystal oscillator of 11.0592MHz.
The invention has the beneficial effects as follows: a kind of photon key that has single-chip microcomputer is provided; This single-chip microcomputer is selected STC series for use; But single-chip microcomputer storing subscriber information and unlocking cipher, unlocking cipher are through LED driving circuit, and the driven for emitting lights diode sends the visible light that has unlocking cipher; The STC series monolithic cheap, power consumption is lower, volume Xiao Yi encapsulation; The photon key small volume and less weight of processing, cheap writes unlocking cipher through single-chip microcomputer and sends the mode of unlocking cipher through visible light, improves the security performance of photon key greatly.
Description of drawings
Fig. 1, photon Key structure synoptic diagram of the present invention;
Among the figure, 1 single-chip microcomputer, 2 LED driving circuits, 3 light emitting diodes, 4 power management modules, 5 communication interfaces.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is elaborated.
The present invention provides a kind of photon key; Comprise single-chip microcomputer 1; The LED driving circuit 2 that is connected with single-chip microcomputer 1 communication; Light emitting diode 3 with LED driving circuit 2 communications are connected also comprises power management module 4 that is electrically connected with single-chip microcomputer 1 and the communication interface 5 that is connected with single-chip microcomputer, referring to Fig. 1.
The present invention selects the STC series monolithic for use; The preferred embodiment of the present invention is selected the STC11L04E single-chip microcomputer for use; STC11L04E is the single-chip microcomputer of single clock/machine cycle (1T); Be a new generation's 8051 single-chip microcomputers of high-speed, low-power consumption, strong interference immunity, 8051 single-chip microcomputers that its instruction code is compatible traditional fully, arithmetic speed is than the fast 8-12 of traditional 8051 single-chip microcomputers doubly.The WV of STC11L04E single-chip microcomputer is 3.6-2.4/2.1V, and the FLASH program storage is the 4K byte, and SRAM is 256 bytes; Has 1 T0T1 timer, two UART serial ports, ISP (at system programmable)/IAP (able to programme) in application; Need not special-purpose programmable device; Need not dedicated emulated device, can pass through the direct download user program of serial ports, the inside of STC11L04E single-chip microcomputer is integrated with the special-purpose reset circuit of MAX810.High stability and the further power consumption that reduces for guaranteeing photon key circuit adopt the 11.0592MHz crystal oscillator as its external clock, and this single-chip microcomputer has the dual serial mouth, and the user can communicate by letter with host computer through this serial port, revises the user profile in the photon key.
The principle that preferred embodiment of the present invention photon key sends unlocking cipher is: user profile and unlocking cipher serial port or the communication interface 5 through the STC11L04E single-chip microcomputer write the STC11L04E single-chip microcomputer; The user sends unlock instruction to the STC11L04E single-chip microcomputer; The STC11L04E single-chip microcomputer is sent to light emitting diode 3 with the unlocking cipher of its storage through LED driving circuit 2, and light emitting diode 3 sends the visible light that contains unlocking cipher.Only need 1 light emitting diode 3 can accomplish the transmission of unlocking cipher, do not need the user manually to input password or password is set.
Photon key of the present invention utilizes the STC11L04E single-chip microcomputer that the transmission course of whole unlocking cipher and user profile is controlled; The STC11L04E single-chip microcomputer cheap, power consumption is lower, volume Xiao Yi encapsulation; The photon key small volume and less weight of processing, cheap, security performance is higher.
The foregoing description among the present invention has only been done exemplary description, and those skilled in the art can carry out various modifications to the present invention under the situation that does not break away from the spirit and scope of the present invention after reading present patent application.
Claims (10)
1. photon key; It is characterized in that; Comprise single-chip microcomputer and the LED driving circuit that is connected with said single chip communication; With the light emitting diode that said LED driving circuit is communicated by letter and is connected, also comprise the power management module that is electrically connected with said single-chip microcomputer and the communication interface that is connected with the institute single-chip microcomputer.
2. photon key according to claim 1 is characterized in that said power management module comprises rechargeable battery and power management chip.
3. photon key according to claim 2 is characterized in that, said rechargeable battery is a lithium battery.
4. photon key according to claim 3 is characterized in that, said rechargeable battery is an ickel-cadmium cell.
5. photon key according to claim 4 is characterized in that, said rechargeable battery is a Ni-MH battery.
6. photon key according to claim 1 is characterized in that, said power management module is connected with said communication interface.
7. photon key according to claim 1 is characterized in that, said communication interface is a USB interface.
8. photon key according to claim 1 is characterized in that, said communication interface is the UART interface.
9. photon key according to claim 1 is characterized in that, said communication interface is the RS-232/485 interface.
10. photon key according to claim 1 is characterized in that, said single-chip microcomputer clock be the 11.0592MHz crystal oscillator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101829272A CN102737424A (en) | 2012-06-05 | 2012-06-05 | Photon key |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101829272A CN102737424A (en) | 2012-06-05 | 2012-06-05 | Photon key |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102737424A true CN102737424A (en) | 2012-10-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101829272A Pending CN102737424A (en) | 2012-06-05 | 2012-06-05 | Photon key |
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| CN (1) | CN102737424A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767771A (en) * | 2014-01-03 | 2015-07-08 | 上海通用汽车有限公司 | Passive entry passive start (PEPS)-based wireless gateway and PEPS-based data transceiving method |
Citations (7)
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|---|---|---|---|---|
| CN2182848Y (en) * | 1994-01-27 | 1994-11-16 | 张昭荣 | Photoelectron multi-function puzzle lock and its photoelectricity key |
| CN2769433Y (en) * | 2004-12-31 | 2006-04-05 | 邓德武 | Photoelectric lock |
| CN101328775A (en) * | 2008-08-04 | 2008-12-24 | 北京交通大学 | Apparatus of door lock based on optoelectronic technology and use method thereof |
| CN101736940A (en) * | 2010-01-25 | 2010-06-16 | 方荣光 | Key of optical coded lock |
| CN201546515U (en) * | 2009-11-13 | 2010-08-11 | 陈同 | Photoelectric intelligent coded lock |
| CN201554280U (en) * | 2009-11-26 | 2010-08-18 | 罗士达 | Photoelectric cipher lock system |
| CN202838475U (en) * | 2012-06-05 | 2013-03-27 | 深圳光启创新技术有限公司 | Photon key |
-
2012
- 2012-06-05 CN CN2012101829272A patent/CN102737424A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2182848Y (en) * | 1994-01-27 | 1994-11-16 | 张昭荣 | Photoelectron multi-function puzzle lock and its photoelectricity key |
| CN2769433Y (en) * | 2004-12-31 | 2006-04-05 | 邓德武 | Photoelectric lock |
| CN101328775A (en) * | 2008-08-04 | 2008-12-24 | 北京交通大学 | Apparatus of door lock based on optoelectronic technology and use method thereof |
| CN201546515U (en) * | 2009-11-13 | 2010-08-11 | 陈同 | Photoelectric intelligent coded lock |
| CN201554280U (en) * | 2009-11-26 | 2010-08-18 | 罗士达 | Photoelectric cipher lock system |
| CN101736940A (en) * | 2010-01-25 | 2010-06-16 | 方荣光 | Key of optical coded lock |
| CN202838475U (en) * | 2012-06-05 | 2013-03-27 | 深圳光启创新技术有限公司 | Photon key |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104767771A (en) * | 2014-01-03 | 2015-07-08 | 上海通用汽车有限公司 | Passive entry passive start (PEPS)-based wireless gateway and PEPS-based data transceiving method |
| CN104767771B (en) * | 2014-01-03 | 2019-01-11 | 上海通用汽车有限公司 | The receiving/transmission method of radio network gateway based on PEPS and the data based on PEPS |
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Application publication date: 20121017 |