CN103291138B - A kind of Light-control door lock system and control method thereof - Google Patents

A kind of Light-control door lock system and control method thereof Download PDF

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Publication number
CN103291138B
CN103291138B CN201210052664.3A CN201210052664A CN103291138B CN 103291138 B CN103291138 B CN 103291138B CN 201210052664 A CN201210052664 A CN 201210052664A CN 103291138 B CN103291138 B CN 103291138B
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unit
door lock
optical signal
key
control
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CN103291138A (en
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刘若鹏
栾琳
刘敏
邵继正
任春阳
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Kuang Chi Intelligent Photonic Technology Ltd
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Kuang Chi Intelligent Photonic Technology Ltd
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Abstract

The present invention relates to a kind of Light-control door lock system and control method thereof, described Light-control door lock system comprises key and door lock, and described key is for launching the optical signal containing information, and described door lock is for responding described optical signal.Its control method comprises the steps: S1, inputs key operated password to key, if for changing unlock code, enter step S2, if without the need to changing unlock code, enter step S3; S2, to change unlock code; The optical signal unlock instruction containing information launched by S3, triggering key; S4, door lock respond described unlock instruction.The present invention is by arranging described password setting unit, the unlocking cipher of key can be revised by described password setting unit, thus the communication instruction between described key and door lock can change at any time, thus avoids because key is lost or stolen and produce the situation of stolen property, can improve safety.

Description

A kind of Light-control door lock system and control method thereof
Technical field
The present invention relates to door lock field, particularly relate to a kind of Light-control door lock system and control method thereof.
Background technology
In existing control system, fingerprint identification control system is widely used in each field, especially in user's identification, safety, the association area such as managerial development rapidly, nowadays generally applies in gate control system and attendance checking system.Because fingerprint has uniqueness, personal information can be used to determine to the identification of finger print information.But because fingerprint identification device is all be fixed on somewhere mostly, the finger print information of user is easily stayed on fingerprint identification device, thus causes information dropout, there is potential safety hazard.
The communication mode of visible light communication to be a kind of with light wave be transmission medium, the high speed light and shade flash signal that what it utilized fluorescent lamp or light emitting diode etc. to send be invisible to the naked eye carrys out transmission information.Visible light communication is compared with other light wireless communication with traditional radio communication, has following outstanding advantages: 1. visible light communication is green resource, there is not electromagnetic radiation; 2. light is had just can to communicate, without communication blind district, convenient and swift; 3. visible light communication transmitting power is high; 4. without the need to radio-frequency spectrum certification; 5., large, the good confidentiality of transmission frequency bandwidth, message capacity and anti-electromagnetic interference capability strong.Thus, visible light communication is widely used in the light control systems such as door lock.But the secret spoon of the communication due to existing key is fixing, the control instruction that namely key is launched is constant, and therefore, confidentiality is not enough, poor stability.
Summary of the invention
Technical problem to be solved by this invention is, for above-mentioned the deficiencies in the prior art, proposes a kind of Light-control door lock system and control method thereof of strong security.
The technical solution adopted for the present invention to solve the technical problems is, a kind of Light-control door lock system and control method thereof are proposed, it comprises key and door lock, described key is for launching the optical signal containing information, described door lock is for responding described optical signal, and wherein, described key is provided with password setting unit, described password setting unit is used for arranging unlocking cipher, and described key launches the described optical signal containing information according to described unlocking cipher.
Further, described key comprises described password setting unit, microprocessor unit, driver element and luminescence unit, described microprocessor unit passes the encrypted message of coming for receiving described password setting unit, according to described encrypted message formation coded data and according to described coded data transmission level modulation signal; Described driver element drives luminescence unit to launch the optical signal containing information under the control of level modulated signals.
Further, described optical signal is visible ray or black light.
Further, described door lock comprises signal receiving module and electric control lock main body, and described signal receiving module is opened for receiving described optical signal and controlling described electric control lock main body or closed.
Further, described signal receiving module comprises photoelectric detection unit, modulate circuit unit and micro controller unit, and described photoelectric detection unit for receiving described optical signal, and converts described optical signal to current signal; Described modulate circuit is used for converting described current signal to voltage signal, and is amplified by described voltage signal; The voltage signal that described micro controller unit is used for exporting according to described modulate circuit unit controls described electric control lock main body.
Further, described door lock also comprises display module, the number of times that described display module is opened for showing described electric control lock main body or closed.
The invention also discloses a kind of control method of Light-control door lock system, it comprises the steps,
S1, input key operated password to key, if for changing unlock code, enter step S2, if without the need to changing unlock code, enter step S3;
S2, to change unlock code;
The optical signal unlock instruction containing information launched by S3, triggering key;
S4, door lock respond described unlock instruction.
Further, described key comprises password setting unit, microprocessor unit, driver element and luminescence unit, described password setting unit is used for arranging unlocking cipher, described microprocessor unit passes the encrypted message of coming for receiving described password setting unit, according to described encrypted message formation coded data and according to described coded data transmission level modulation signal; Described driver element drives luminescence unit to launch the optical signal containing information under the control of level modulated signals.
Further, described optical signal is visible ray or black light.
Further, described door lock comprises signal receiving module and electric control lock main body, and described signal receiving module is opened for receiving described optical signal and controlling described electric control lock main body or closed.
In sum, the present invention is by arranging described password setting unit, the unlocking cipher of key can be revised by described password setting unit, thus the communication instruction between described key and door lock can change at any time, thus avoid because key is lost or stolen and produce the situation of stolen property, can safety be improved.
Accompanying drawing explanation
Fig. 1 is the theory diagram of a kind of embodiment of Light-control door lock system of the present invention.
Fig. 2 is the control principle flow chart of Light-control door lock system of the present invention shown in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention will be further described:
Refer to Fig. 1, Light-control door lock system of the present invention comprises key 1 and door lock 2, and described key 1 is for launching the optical signal containing information, and it comprises password setting unit 11, microprocessor unit 12, driver element 13 and luminescence unit 14.Described password setting unit 11 is for arranging unlocking cipher, and it can be button information input module or touch-screen etc., and in the present embodiment, described password setting unit 11 is touch-screens; Described microprocessor unit 12 passes the encrypted message of coming for receiving described password setting unit 11, forms coded data and described coded data be stored in the memory of described microprocessor unit 12 according to described encrypted message; Described driver element 13 drives luminescence unit 14 to launch the optical signal containing information under the control of the level modulated signals of described microprocessor.
The light that described luminescence unit 14 is launched can be visible ray or black light, in the present embodiment, described luminescence unit 14 is the light emitting diodes can launching visible ray, it constantly carries out sudden strain of a muscle at a high speed and goes out under the driving of driver element 13, form the optical signal representing 0 and 1 signal, thus the present invention also can provide illumination while communication.Light-Emitting Diode is 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, response sensitivity advantages of higher.
Described door lock 2 comprises signal receiving module 21, electric control lock main body 22 and display module 23, and described signal receiving module 21 is opened for receiving described optical signal and controlling described electric control lock main body 22 or closed.In the present embodiment, described signal receiving module 21 comprises photoelectric detection unit 211, modulate circuit unit 212 and micro controller unit 213, and described photoelectric detection unit 211 for receiving described optical signal, and converts described optical signal to current signal; Described voltage signal for converting described current signal to voltage signal, and amplifies by described modulate circuit unit 212, thus restores initial data; Described micro controller unit 213 controls described electric control lock main body 22 for the voltage signal exported according to described modulate circuit unit 212, described electric control lock main body 22 can be made up of parts such as relay, motor and the dead bolts be connected with motor-driven, described electric control lock main body 22 is prior art, does not repeat them here.The number of times that described display module 23 is opened for showing described electric control lock main body 22 or closed.
Refer to Fig. 1 and Fig. 2, the control method of described Light-control door lock system of the present invention, comprises the steps:
S1, input key operated password to the password setting unit 11 of key 1, if for changing unlock code, enter step S2, if without the need to changing unlock code, enter step S3;
S2, to change unlock code;
The optical signal unlock instruction containing information launched by S3, triggering key 1;
S4, door lock 2 respond described unlock instruction.
In step S1, if code error opened by the key 1 of input, then can not unlocking key 1, thus step S2 or step S3 cannot be entered; After inputting correct password, just obtain the administration authority of key 1.
In step S2, after described microprocessor unit 12 receives the encrypted message that described password setting unit 11 sends, microprocessor unit 12 replaces the coded message in original memory according to the coded message that this new encrypted message is formed, namely realize the replacement of new password to Old Password.
In step S3, described password setting unit 11 is provided with unlock button, after pressing described unlock button, described microprocessor unit 12 triggers by described unlock button, then give described driver element 13 according to described coded data transmission level modulation signal, described driver element 13 drives luminescence unit 14 to launch the optical signal containing information under the control of level modulated signals.
In step S4, store for passing with described key 1 normal data that the data of coming carry out contrasting in described micro controller unit 213, when described micro controller unit 213 receives after described key 1 passes the data of coming, the normal data in these data and micro controller unit 213 is contrasted.
If the normal data in micro controller unit 213 and the data match received, then described micro controller unit 213 controls described electric control lock main body 22 and carries out unlocking action, described micro controller unit 213 counts described unlocking action simultaneously, and control described display unit according to the number of times of described unlatching and show the number of times that described electric control lock main body 22 opens altogether in this day, according to the prompting of described unlocking times, user can judge whether someone opened door lock 2, to change password, theftproof performance and more humane thus can be improved.
If the data that micro controller unit 213 receives are not mated with the normal data stored in micro controller unit 213, then judge whether described data are new code datas, if this code data is then replaced original normal data by new code data, and these data are kept in microprocessor as normal data, if not new code data, then described data are abandoned.
In sum, the present invention is by arranging described password setting unit 11, the unlocking cipher of key 1 can be revised by described password setting unit 11, thus the communication instruction between described key 1 and door lock 2 can change at any time, thus avoid because key 1 is lost or stolen and produce the situation of stolen property, can safety be improved.
By reference to the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned detailed description of the invention; above-mentioned detailed description of the invention is only schematic; instead of it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that present inventive concept and claim protect, also can make a lot of form, these all belong within protection of the present invention.

Claims (5)

1. a Light-control door lock system, it comprises key and door lock, described key is for launching the optical signal containing information, described door lock is for responding described optical signal, it is characterized in that: described key is provided with password setting unit, described password setting unit is used for arranging unlocking cipher, and described key launches the described optical signal containing information according to described unlocking cipher;
Described key comprises described password setting unit, microprocessor unit, driver element and luminescence unit, described microprocessor unit passes the encrypted message of coming for receiving described password setting unit, according to described encrypted message formation coded data and according to described coded data transmission level modulation signal; The sudden strain of a muscle that described driver element drives luminescence unit constantly to carry out high speed under the control of level modulated signals is gone out, and launches the optical signal containing information;
Described door lock comprises signal receiving module and electric control lock main body, described signal receiving module is opened for receiving described optical signal and controlling described electric control lock main body or is closed, described signal receiving module comprises photoelectric detection unit, modulate circuit unit and micro controller unit, described photoelectric detection unit for receiving described optical signal, and converts described optical signal to current signal; Described modulate circuit is used for converting described current signal to voltage signal, and is amplified by described voltage signal; The voltage signal that described micro controller unit is used for exporting according to described modulate circuit unit controls described electric control lock main body, normal data is stored in described micro controller unit, the normal data that described luminescence unit passes in the data of the optical signal of coming and described micro controller unit contrasts, if the normal data in micro controller unit and the data match received, then described in described microprogrammed control unit control, electric control lock main body carries out unlocking action.
2. Light-control door lock system according to claim 1, is characterized in that: described optical signal is visible ray or black light.
3. Light-control door lock system according to claim 1, is characterized in that: described door lock also comprises display module, the number of times that described display module is opened for showing described electric control lock main body or closed.
4. a control method for Light-control door lock system, is characterized in that: comprise the steps,
S1, input key operated password to key, if for changing unlock code, enter step S2, if without the need to changing unlock code, enter step S3;
S2, to change unlock code;
The sudden strain of a muscle that S3, the driver element triggering key drive luminescence unit constantly to carry out high speed under the control of level modulated signals is gone out, and launches the optical signal unlock instruction containing information; Described key comprises password setting unit, microprocessor unit, driver element and luminescence unit, described password setting unit is used for arranging unlocking cipher, described microprocessor unit passes the encrypted message of coming for receiving described password setting unit, according to described encrypted message formation coded data and according to described coded data transmission level modulation signal; Described driver element drives luminescence unit to launch the optical signal containing information under the control of level modulated signals;
S4, door lock respond described unlock instruction; Described door lock comprises signal receiving module and electric control lock main body, described signal receiving module is opened for receiving described optical signal and controlling described electric control lock main body or is closed, described signal receiving module comprises photoelectric detection unit, modulate circuit unit and micro controller unit, described photoelectric detection unit receives described optical signal, and converts described optical signal to current signal; Described modulate circuit converts described current signal to voltage signal, and is amplified by described voltage signal; Described micro controller unit controls described electric control lock main body according to the voltage signal that described modulate circuit unit exports, normal data is stored in described micro controller unit, the normal data that described luminescence unit passes in the data of the optical signal of coming and described micro controller unit contrasts, if the normal data in micro controller unit and the data match received, then described in described microprogrammed control unit control, electric control lock main body carries out unlocking action.
5. the control method of Light-control door lock system according to claim 4, is characterized in that: described optical signal is visible ray or black light.
CN201210052664.3A 2012-03-02 2012-03-02 A kind of Light-control door lock system and control method thereof Active CN103291138B (en)

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CN103617666A (en) * 2013-11-29 2014-03-05 黄家亨 Access control system based on visible light communication
CN104715532B (en) * 2015-04-07 2017-06-30 南开大学 A kind of encryption method based on the electronic coding lock system of visible light communication technology and the system
CN105931331A (en) * 2016-04-20 2016-09-07 上海斐讯数据通信技术有限公司 Intelligent lock based on optical communication and unlocking method
CN107527402B (en) * 2016-06-22 2021-01-08 海洋王照明科技股份有限公司 Light-operated door lock system
CN113393598B (en) * 2021-06-07 2023-02-21 深圳市伊格鲁科技有限公司 Electronic lock system of external power supply
CN113409498B (en) * 2021-07-21 2022-11-22 叶斌 Light-operated lock

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