CN102542640A - Entrance guard method, entrance guard system, light-emitting diode (LED) door key and LED light-operated trick lock - Google Patents
Entrance guard method, entrance guard system, light-emitting diode (LED) door key and LED light-operated trick lock Download PDFInfo
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- CN102542640A CN102542640A CN2011103629168A CN201110362916A CN102542640A CN 102542640 A CN102542640 A CN 102542640A CN 2011103629168 A CN2011103629168 A CN 2011103629168A CN 201110362916 A CN201110362916 A CN 201110362916A CN 102542640 A CN102542640 A CN 102542640A
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Abstract
An embodiment of the invention discloses an entrance guard system, which comprises a light-emitting diode (LED) door key and an LED light-operated trick lock. The LED door key is used for enabling pre-stored password data to be converted into LED visible light signals which are sent to the LED light-operated trick lock for requesting for unlocking the LED light-operated trick lock. The LED light-operated trick lock is used for receiving the LED visible light signals emitted by the LED door key and enabling the LED visible light signals to be restored to the password data. The LED light-operated trick lock is further used for carrying out unlocking or maintaining current state according to the password data. The embodiment further discloses the LED door key, the LED light-operated trick lock and the entrance guard method. The entrance guard method, the entrance guard system, the LED door key and the LED light-operated trick lock can reduce energy consumption and are favorable to energy conservation.
Description
Technical field
The present invention relates to gate inhibition's technology, relate in particular to a kind of guard method and system, LED door key and the light-operated coded lock of LED.
Background technology
At present, in medium and small sized enterprises, obtained using widely based on the gate control system of coded lock, it provides two kinds of release schemes for the user, and a kind of is to import password, the scheme of carrying out release through the keyboard that coded lock carries; Another kind is, through the release mode of RFID (Radio Frequency Identification, RF identification) technology.Because through the mode of keyboard input password, need password is open to all validated users, the possibility that therefore cause password to leak or distorted easily to the disabled user, therefore and be of little use; And in the release scheme based on RFID, password is write rfid card, and be distributed to validated user to use, and password is covert to the user, therefore can reduce the possibility that password is leaked or distorts effectively; But because the multidirectional of radiofrequency signal, the radiofrequency signal of therefore having carried password is stolen easily, and security is not enough.
Summary of the invention
Embodiment of the invention technical matters to be solved is, a kind of guard method and system, LED door key and the light-operated coded lock of LD are provided, and can improve security, and is user-friendly.
In order to solve the problems of the technologies described above, the embodiment of the invention provides a kind of gate control system, comprising: the light-operated coded lock of LED door key and LED;
Said LED door key is used for converting the code data that prestores into the LED visible light signal, is transmitted to the light-operated coded lock of said LED, with the release of request to the light-operated coded lock of said LED;
The light-operated coded lock of said LED is used to receive the LED visible light signal that said LED door key is launched, and said LED visible light signal is reduced to said code data;
The light-operated coded lock of said LED also is used for according to said code data, and execution is unblanked or kept current state.
Wherein, said LED door key comprises: the storer that is linked in sequence, scrambler, driver and LED;
Said storer is used to store code data;
Said scrambler is used for converting the code data of said memory stores into the lower edge trigger pip according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on driver;
Said driver is used for opening or closing according to the power supply that said upward lower edge trigger pip is controlled said LED.
Wherein, the light-operated coded lock of said LED comprises: the receiver that is linked in sequence, processor, demoder, adaptation and execution unit;
Said receiver is used to receive said LED visible light signal, generates corresponding current signal;
Said processor is used to amplify said current signal, and the current signal after will amplifying converts voltage signal into, exports as digital signal;
Said demoder is used for the manchester decoder mode with the binary data of said digital signal decoding for the sign code data;
Said adaptation is used for the binary data according to said sign code data, exports the indicator signal of unblanking or keeping current state to said execution unit;
Said execution unit is used for the indicator signal according to said adaptation, carries out operation accordingly.
Wherein, said adaptation is used for binary data that characterizes code data and the code data that presets are mated; In the time can from the said code data that presets, matching identical code data, export the indicator signal of unblanking to said execution unit; In the time can not from the said code data that presets, matching identical code data, keep the current state indicator signal to said operating part output.
Correspondingly, the embodiment of the invention also provides a kind of LED door key, comprising: the storer that is linked in sequence, scrambler, driver and LED;
Said storer is used to store code data;
Said scrambler is used for converting said code data into the lower edge trigger pip according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on driver;
Said driver,, be used for opening or closing according to the power supply that said upward lower edge trigger pip is controlled said LED.
Correspondingly, the embodiment of the invention also provides a kind of LED light-operated coded lock, comprising: the receiver that is linked in sequence, processor, demoder, adaptation and execution unit;
Said receiver is used to receive the LED visible light signal, generates corresponding current signal;
Said processor is used to amplify said current signal, and is voltage signal with said amplified current conversion of signals, exports as digital signal;
Said demoder is used for generating the binary data that characterizes code data according to the manchester decoder mode said digital signal of decoding;
Said adaptation is used for the binary data according to said sign code data, exports the indicator signal of unblanking or keeping current state to said execution unit;
Said execution unit is used for the indicator signal according to said adaptation, carries out operation accordingly
Wherein, said adaptation is used for binary data that characterizes code data and the code data that presets are mated; In the time can from the said code data that presets, matching identical code data, export the indicator signal of unblanking to said execution unit; In the time can not from the said code data that presets, matching identical code data, keep the current state indicator signal to said operating part output.
Correspondingly, the embodiment of the invention also provides a kind of guard method, comprising:
The LED door key converts the code data that prestores into the LED visible light signal, is transmitted to the light-operated coded lock of LED, with the release of request to the light-operated coded lock of said LED;
The light-operated coded lock of said LED receives the LED visible light signal of said LED door key emission, and said LED visible light signal is reduced to said code data, and according to said code data, determines whether to carry out unlock operation.
Wherein, saidly convert the code data that prestores into the LED visible light signal, be transmitted to the light-operated coded lock of LED, comprising:
Convert the code data that prestores into the lower edge trigger pip according to the Manchester's cde mode;
With the unlatching of the power supply of the said LED that goes up lower edge trigger pip control LED door key or close, make said LED flicker.
Wherein, the LED visible light signal of the said LED door key of said reception emission, and said LED visible light signal is reduced to said code data, and, determine whether to carry out unlock operation according to said code data, comprising:
Receive the LED visible light signal of LED door key emission, generate corresponding current signal;
Amplify said current signal, and be voltage signal, export as digital signal with the amplified current conversion of signals;
According to the manchester decoder mode is the binary data that characterizes code data with said digital signal decoding;
The binary data of said sign code data is mated with the code data that presets;
In the time can from the said code data that presets, matching identical code data, carry out unlock operation;
In the time can not from the said code data that presets, matching identical code data, keep current state.
Embodiment of the present invention embodiment has following beneficial effect:
The gate control system of the embodiment of the invention is transmitted to LED light-operated coded lock with code data with the form of LED visible light signal through the LED door key; The light-operated coded lock of LED receives the LED visible light signal; And it is reduced to code data, and then carries out according to code data and to unblank or keep current state.Because code data LED visible light signal transmits, and light transmits along straight line, and decay is fast, so the LED visible light signal is not easy to be stolen, thereby improved security, is user-friendly to.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of gate control system provided by the invention;
Fig. 2 is the structural representation of the embodiment of door key provided by the invention;
Fig. 3 is the configuration diagram of the embodiment of coded lock provided by the invention;
Fig. 4 is the structural representation of the embodiment of guard method provided by the invention.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Please refer to Fig. 1, is the configuration diagram of the embodiment of a kind of gate control system provided by the invention, and said gate control system 1 comprises: LED door key 2 and the light-operated coded lock 3 of LED.
Wherein, be integrated with LED element device in the LED door key 2, with emission LED visible light signal; Also be provided with memory device (for example: programmable read only memory, Erasable Programmable Read Only Memory EPROM or flash memory) in the LED door key 2, with the code data that prestores; When the user need be to light-operated coded lock 3 releases of LED, the triggering key that can provide through LED door key 2 made LED door key 2 convert the code data that prestores into the LED visible light signal, is transmitted to the light-operated coded lock 3 of LED.
Particularly, LED door key 2 can convert the code data that prestores into the lower edge trigger pip according to the Manchester's cde mode, and according to last lower edge trigger pip driving LED, so that the code data that prestores is launched through the LED visible light signal.
The light-operated coded lock 3 of LED receives the LED visible light signal that LED door key 2 is launched, and the LED visible light signal that receives is reduced to code data.Particularly; The light-operated coded lock 3 of LED can be realized the induction to the LED visible light signal at inner integrated electro sensor circuit; Generate corresponding current signal, after then the current signal that generates being amplified, convert voltage signal into; As digital signal output, digital signal is decoded as the binary data that characterizes code data according to the manchester decoder mode.
Further, the code data that the light-operated coded lock 3 of LED also obtains according to decoding (form with binary data characterizes) is carried out the operation of unblanking or keeping current state.Particularly, preset one or more code datas in the light-operated coded lock 3 of LED, when the code data that obtains by decoding can in when matching identical code data in the code data that presets, carry out unlock operation; Otherwise, keep current state.
It is understandable that the light-operated coded lock 3 of LED can be provided with multiple protection functions, promptly require LED door key 12 to send a plurality of passwords continuously, and these a plurality of passwords are just carried out release all can from the code data that presets, match identical password the time.
It is understandable that because the gate control system 1 of the embodiment of the invention is to transmit code data through the LED visible light signal, and therefore non-traditional radiofrequency signal can be applied in the occasion that is not suitable for using radio-frequency technique, such as the refuelling station etc.
Therefore the embodiment of the invention has security preferably because code data transmits with the LED visible light signal, and LED door key 2 can store the code data of the light-operated coded lock of a plurality of LED simultaneously, thereby makes the user needn't carry many cover door keys.
Please refer to Fig. 2; It is the structural representation of the embodiment of LED door key of the present invention; The LED door key of present embodiment can be the LED door key of mentioning among Fig. 12; It comprises: storer 21, scrambler 22, driver 23 and LED24, and storer 21, scrambler 22, driver 23 and LED24 are linked in sequence.
Wherein, storer 21 stores code data, and this code data can be each or multinomial mixing of numeral, literal and character, and for example: code data can be " 2749 " or " 24*765 " or " wsd254 " or " scw#456 ", or the like.
Understandable, possibly store a plurality of code datas simultaneously in the storer 21, the user can select corresponding code data to be used for the light-operated door lock of release LED as required.
It is understandable that the code data in the storer 21 has update functions, for example: when door key 2 was connected with equipment such as computing machines, equipment such as computing machine can be with in the new code data write store 21, with the code data in the updated stored device 21.
Particularly; It is the binary sequence of representative that scrambler 22 converts into the code data that prestores with " 0 " and " 1 "; Convert binary sequence into the lower edge trigger pip then, for example: " 0 " is converted into the rising edge trigger pip, " 1 " is converted into the negative edge trigger pip.It is understandable that code data also can directly be stored with the mode of binary sequence.
Particularly, 23 pairs of drivers are gone up the lower edge trigger pip and are scanned, and when scanning the rising edge trigger pip, the power supply of LED are opened, and when scanning the negative edge trigger pip, the LED power supply are closed.
Please refer to Fig. 3; It is the structural representation of the embodiment of the light-operated coded lock of LED of the present invention; The light-operated coded lock of the LED of present embodiment can be the light-operated coded lock of mentioning among Fig. 13 of LED; It comprises: receiver 31, processor 32, demoder 33, adaptation 34 and execution unit 35, and receiver 31, processor 32, demoder 33, adaptation 34 and execution unit 35 are linked in sequence.
Wherein, receiver 31 receives the LED visible light signal that the LED door key sends, and generates corresponding current signal.Particularly, receiver 31 can be realized by light activated element, for example photodiode or phototriode, and when the LED visible light signal shone receiver 31, receiver 31 generated corresponding current signal.Need to prove; Because the LED visible light signal that the LED door key sends glimmers; Therefore the current signal of receiver 31 generations also is discontinuous; Cause the discontinuous of current signal that receiver 31 generates just because of the flicker of LED visible light signal, successfully code data has been delivered to coded lock 3 by the LED door key.
Please refer to Fig. 4; It is the schematic flow sheet of embodiment of the guard method of the embodiment of the invention; The executive agent that relates in the method flow among Fig. 4 comprises: the light-operated coded lock of LED door key and LED; Be appreciated that and carry that the LED door key can be meant the LED door key of mentioning among Fig. 12, the light-operated coded lock of LED can be meant the light-operated coded lock 3 of the LED that mentions among Fig. 1.Particularly, the method flow of the embodiment of Fig. 4 comprises:
S41, the LED door key converts the code data that prestores into the LED visible light signal, is transmitted to the light-operated coded lock of LED, with the release of request to the light-operated coded lock of LED.
Particularly, S41 comprises: the code data that prestores converts the code data that prestores into the lower edge trigger pip according to the Manchester's cde mode; Power supply with the built-in LED of lower edge trigger pip control LED door key on this is opened or is closed, and makes the LED flicker, and code data is gone out through the LED VISIBLE LIGHT EMISSION.
S42, the light-operated coded lock of LED receives the LED visible light signal of LED door key emission, and this LED visible light signal is reduced to code data, and according to this code data, execution is unblanked or kept current state.
Particularly, S42 comprises: receive the LED visible light signal of LED door key emission, generate corresponding current signal; The amplified current signal, and the current signal after will amplifying converts voltage signal into, exports as digital signal; Digital signal is decoded as the binary data that characterizes code data according to the manchester decoder mode; Binary data that characterizes code data and the code data that presets are mated; In the time can from the code data that presets, matching identical code data, carry out unlock operation; In the time can not from the code data that presets, matching identical code data, keep current state.
The present embodiment code data sends and is received with the form of LED visible light signal, so it goes for the scene that inapplicable use RFID technology such as refuelling station is carried out release, and can prevent effectively that code data is stolen.
One of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method; Be to instruct relevant hardware to accomplish through computer program; Described program can be stored in the computer read/write memory medium; This program can comprise the flow process like the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
Above disclosedly be merely preferred embodiment of the present invention; Certainly can not limit the present invention's interest field with this; One of ordinary skill in the art will appreciate that all or part of flow process that realizes the foregoing description; And, still belong to the scope that invention is contained according to the equivalent variations that claim of the present invention is done.
Claims (10)
1. a gate control system is characterized in that, comprising: the light-operated coded lock of LED door key and LED;
Said LED door key is used for converting the code data that prestores into the LED visible light signal, is transmitted to the light-operated coded lock of said LED, with the release of request to the light-operated coded lock of said LED;
The light-operated coded lock of said LED is used to receive the LED visible light signal that said LED door key is launched, and said LED visible light signal is reduced to said code data;
The light-operated coded lock of said LED also is used for according to said code data, and execution is unblanked or kept current state.
2. gate control system as claimed in claim 1 is characterized in that, said LED door key comprises: the storer that is linked in sequence, scrambler, driver and LED;
Said storer is used to store code data;
Said scrambler is used for converting the code data of said memory stores into the lower edge trigger pip according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on driver;
Said driver is used for opening or closing according to the power supply that said upward lower edge trigger pip is controlled said LED.
3. gate control system as claimed in claim 2 is characterized in that, the light-operated coded lock of said LED comprises: the receiver that is linked in sequence, processor, demoder, adaptation and execution unit;
Said receiver is used to receive said LED visible light signal, generates corresponding current signal;
Said processor is used to amplify said current signal, and the current signal after will amplifying converts voltage signal into, exports as digital signal;
Said demoder is used for the manchester decoder mode with the binary data of said digital signal decoding for the sign code data;
Said adaptation is used for the binary data according to said sign code data, exports the indicator signal of unblanking or keeping current state to said execution unit;
Said execution unit is used for the indicator signal according to said adaptation, carries out operation accordingly.
4. gate control system as claimed in claim 3 is characterized in that,
Said adaptation is used for binary data that characterizes code data and the code data that presets are mated; In the time can from the said code data that presets, matching identical code data, export the indicator signal of unblanking to said execution unit; In the time can not from the said code data that presets, matching identical code data, keep the current state indicator signal to said operating part output.
5. a LED door key is characterized in that, comprising: the storer that is linked in sequence, scrambler, driver and LED;
Said storer is used to store code data;
Said scrambler is used for converting said code data into the lower edge trigger pip according to the Manchester's cde mode, and the said lower edge trigger pip that goes up is loaded on driver;
Said driver is used for opening or closing according to the power supply that said upward lower edge trigger pip is controlled said LED.
6. the light-operated coded lock of LED is characterized in that, comprising: the receiver that is linked in sequence, processor, demoder, adaptation and execution unit;
Said receiver is used to receive the LED visible light signal, generates corresponding current signal;
Said processor is used to amplify said current signal, and is voltage signal with said amplified current conversion of signals, exports as digital signal;
Said demoder is used for generating the binary data that characterizes code data according to the manchester decoder mode said digital signal of decoding;
Said adaptation is used for the binary data according to said sign code data, exports the indicator signal of unblanking or keeping current state to said execution unit;
Said execution unit is used for the indicator signal according to said adaptation, carries out operation accordingly.
7. the light-operated coded lock of LED as claimed in claim 6 is characterized in that, said adaptation is used for binary data that characterizes code data and the code data that presets are mated; In the time can from the said code data that presets, matching identical code data, export the indicator signal of unblanking to said execution unit; In the time can not from the said code data that presets, matching identical code data, keep the current state indicator signal to said operating part output.
8. a guard method is characterized in that, comprising:
The LED door key converts the code data that prestores into the LED visible light signal, is transmitted to the light-operated coded lock of LED, with the release of request to the light-operated coded lock of said LED;
The light-operated coded lock of said LED receives the LED visible light signal of said LED door key emission, and said LED visible light signal is reduced to said code data, and according to said code data, determines whether to carry out unlock operation.
9. method as claimed in claim 8 is characterized in that, saidly converts the code data that prestores into the LED visible light signal, is transmitted to the light-operated coded lock of LED, comprising:
Convert the code data that prestores into the lower edge trigger pip according to the Manchester's cde mode;
With the unlatching of the power supply of the said LED that goes up lower edge trigger pip control LED door key or close, make said LED flicker.
10. method as claimed in claim 9 is characterized in that, the LED visible light signal of the said LED door key emission of said reception; And said LED visible light signal is reduced to said code data; And, determine whether to carry out unlock operation according to said code data, comprising:
Receive the LED visible light signal of LED door key emission, generate corresponding current signal;
Amplify said current signal, and be voltage signal, export as digital signal with the amplified current conversion of signals;
According to the manchester decoder mode is the binary data that characterizes code data with said digital signal decoding;
The binary data of said sign code data is mated with the code data that presets;
In the time can from the said code data that presets, matching identical code data, carry out unlock operation;
In the time can not from the said code data that presets, matching identical code data, keep current state.
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| CN2011103629168A CN102542640A (en) | 2011-11-16 | 2011-11-16 | Entrance guard method, entrance guard system, light-emitting diode (LED) door key and LED light-operated trick lock |
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| CN2011103629168A CN102542640A (en) | 2011-11-16 | 2011-11-16 | Entrance guard method, entrance guard system, light-emitting diode (LED) door key and LED light-operated trick lock |
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