CN103679856A - Power supply control module and intelligent photon lock - Google Patents
Power supply control module and intelligent photon lock Download PDFInfo
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- CN103679856A CN103679856A CN201210317181.1A CN201210317181A CN103679856A CN 103679856 A CN103679856 A CN 103679856A CN 201210317181 A CN201210317181 A CN 201210317181A CN 103679856 A CN103679856 A CN 103679856A
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Abstract
The invention relates to a power supply control module and an intelligent photon lock. The intelligent photon lock comprises a power supply, a power supply control module, an optical signal receiving module and a microprocessor module, wherein the power supply is used for providing electric energy; the power supply control module comprises a photodiode, a signal amplifier and a field-effect transistor; the photodiode is used for inducing an optical signal and generating a current signal; the signal amplifier is used for amplifying the current signal; the field-effect transistor is used for controlling on-off of the power supply according to the amplified current signal; the optical signal receiving module is used for converting the optical signal which is emitted by a photon key and contains ID number information into an electric signal; the microprocessor module is used for controlling locking and unlocking of the door lock according to the electric signal. The power supply switch is controlled by taking optical signal discharge as a trigger signal, the circuit design is reasonable, the problems that the current is high or the output voltage is instable and the like are solved, and the current consumption is reduced.
Description
Technical field
The present invention relates to control field, relate in particular to a kind of energy supply control module and photon smart lock.
Background technology
Along with the develop rapidly of national economy, China has become energy consumption big country in the world.The saving of the energy has caused national great attention, so build the main target that energy-efficient society has become national development.It is energy-saving and cost-reducing for electronic product is realized, existing a lot of electronic product is provided with conventionally for controlling the human body induction module of Power supply, human body induction module output high level described in while having people, nobody time output low level realize electronic product automatic switching.
For example, existing heat is released Far infrared electric lamp switch module, it consists of infrared sensing controller, photoinduction circuit, Fresnel lens and the thyristor gating circuit with delay function etc., and integrated circuit includes pyroelectric infrared sensor, two-level operating amplifier, comparer, back off timer, zero passage detection, driving circuit etc.When having people to enter switch module induction range, sensor detects the variation of human body infrared spectrum, and switch is connected load automatically, and people does not leave induction range, and switch will continue to connect; After people leaves, the load of switch automatic delay function.
Particularly, human body is one to have the ultrared emitter of specific wavelength.Human body induction control device can sense walking close to of human body and away from, when having people to enter supervision district, 7～9 μ m infrared rays that human body radiation goes out, after increasing frequently, Fresnel lens received by infrared sensor, infrared sensor human body moves the variation of the infrared heat energy causing and it is converted to voltage, by secondary frequency-selecting amplification ratio, be input in control circuit, by control circuit output zero-crossing pulse, trigger bidirectional triode thyristor conducting.By day or when light is brighter, light activated element is low resistive state, triggerless Voltage-output, bidirectional triode thyristor cut-off, electric light keeps extinguishing state; When night or light are darker, light activated element is high-impedance state, and conducting power consigns to the output terminal that input end is infrared sensing controller, if now there is people to enter, monitors district, the conducting of triggering bidirectional triode thyristor, and electric light energising is shinny; When human body is walked out supervision district, trigger silicon controlled signal lag and turn-off controllable silicon after the time of setting, lights, accomplishes automatically to close.Yet there are problems in above-mentioned existing human body induction module, as excessive in load current, power consumption is higher, and output voltage is unstable etc., while being especially applied on security product, security product is had relatively high expectations to Based Intelligent Control, once the insensitive meeting of infrared induction causes fault.
Summary of the invention
Technical matters to be solved by this invention is, for above-mentioned the deficiencies in the prior art, proposes a kind of energy supply control module and photon smart lock.
The technical solution adopted for the present invention to solve the technical problems is, a kind of light-operated door lock of leading subscriber authority of being convenient to is proposed, it comprises photodiode, signal amplifier and field effect transistor, described photodiode is for induction light signal generation current signal, described signal amplifier is for described current signal is amplified, and described field effect transistor is for controlling the break-make of power supply according to the current signal of described amplification.
Further, described photodiode is parallel with shunt resistance.
The invention also discloses a kind of photon smart lock, it comprises power supply, energy supply control module, optical signal receiving module and microprocessor module, and described power supply is used for providing electric energy; Described energy supply control module comprises photodiode, signal amplifier and field effect transistor, described photodiode is for induction light signal generation current signal, described signal amplifier is for described current signal is amplified, and described field effect transistor is for controlling the break-make of power supply according to the current signal of described amplification; Described optical signal receiving module converts electric signal to for the light signal that contains ID information that photon key is launched; Described microprocessor module is opened or closes for controlling door lock according to described electric signal.
Further, described photon smart lock also comprises protocol conversion module, and described protocol conversion module is used for described No. ID to carry out protocol conversion, then passes to host computer.
Further, described light-operated door lock also comprises signal demodulation module, and described signal demodulation module is used for by the signal demodulation of optical signal receiving module output out, and sends described microprocessor module to.
Further, described light-operated door lock also comprises decoding module, and described decoding module is translated into the digital signal of NRZ code for optical signal receiving module being passed to the digital signal of the CMI code of coming.
Further, described light-operated door lock also comprises balanced Shaping Module, and described balanced Shaping Module is for eliminating intersymbol interference and correct pulse waveform the signal of optical signal receiving module output.
Further, described balanced Shaping Module comprises operational amplifier and the comparer of mutual electrical connection, one input end of the input end of described operational amplifier and described comparer is all electrically connected to the output terminal of described optical signal receiving module, and the output terminal of described comparer is electrically connected to described decoding module.
Further, described optical signal receiving module comprises photodiode, signal amplifier and bandpass filter, and described photodiode and described bandpass filter are electrically connected to described signal amplifier respectively.
Further, described protocol conversion module is that RS232 interface or RS232 turn USB interface.
In sum, the present invention, by being provided with described photodiode, signal amplifier and the field effect transistor cooperatively interacting, utilizing light signal to discharge to do trigger pip and controls power switch, and circuit design is more reasonable, solve the problems such as the large or output voltage of electric current is unstable, more reduce current drain.
Accompanying drawing explanation
Fig. 1 is that photon smart lock of the present invention removes the theory diagram after energy supply control module and power supply.
Fig. 2 is the theory diagram of optical signal receiving module of the present invention shown in Fig. 1.
Fig. 3 is the theory diagram of the balanced Shaping Module of the present invention shown in Fig. 1.
Fig. 4 is the theory diagram of decoding module of the present invention shown in Fig. 1.
Fig. 5 is the circuit diagram of energy supply control module of the present invention while coordinating with power supply.
Fig. 6 is the theory diagram of the second embodiment of the present invention.
Embodiment
Below in conjunction with drawings and the specific embodiments, the present invention will be further described:
Embodiment mono-:
Refer to Fig. 1 and Fig. 2, photon smart lock of the present invention comprises optical signal receiving module 1, balanced Shaping Module 2, decoding module 3, microprocessor module 4, protocol conversion module 5, power supply VCC and energy supply control module.Described power supply VCC is used for providing electric energy.Described optical signal receiving module 1 converts electric signal to for the light signal that contains ID information and encrypted message that photon key is launched, and the pattern of the light signal of described photon key transmitting is CMI code.Described optical signal receiving module 1 comprises photodiode 11, signal amplifier 12 and bandpass filter 13, and described photodiode 11 and described bandpass filter 13 are electrically connected to described signal amplifier 12 respectively.In the present embodiment, described photodiode 11 is avalanche photodides, and described signal amplifier 12 is trans-impedance amplifiers.
Described avalanche photodide is that a kind of light of p-n junction type detects diode, and it has utilized the avalanche multiplication effect of charge carrier to amplify photosignal to improve the sensitivity detecting.Thereby avalanche photodide is compared with vacuum photomultiplier, that described avalanche photodide has is small-sized, do not need the advantages such as high-voltage power supply, is more suitable for practical application; Compare with general semiconductor photo diode, described avalanche photodide has the advantages such as highly sensitive, speed is fast.Described trans-impedance amplifier has the advantages such as gain stabilization, dynamic range are large, bandwidth.
Refer to Fig. 3, described balanced Shaping Module 2 is for eliminating intersymbol interference and correct pulse waveform the signal of optical signal receiving module 1 output, it comprises operational amplifier 21 and the comparer 22 of mutual electrical connection, one input end of the input end of described operational amplifier 21 and described comparer 22 is all electrically connected to signal amplifier 12 output terminals of described optical signal receiving module 1, and the output terminal of described comparer 22 is electrically connected to described decoding module 3.
Refer to Fig. 4, described decoding module 3 is translated into the digital signal of NRZ code for optical signal receiving module 1 being passed after shaping to the digital signal of the CMI code of coming, it comprises high-low-position separation circuit 31 and decoding computing circuit 32, described high-low-position separation circuit 31 is for carrying out separation by the high-low-position of the CMI code receiving, and described decoding computing circuit 32 carries out same exclusive disjunction for the high-low-position to after the separation of described CMI code.
Described high-low-position separation circuit 32 is provided with some d type flip flops, and described 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 code of input is latched by each d type flip flop under the effect of clock CP.When clock CP negative edge reaches, (now the mid point of corresponding first CMI code is constantly), becomes rising edge through phase inverter, the value of first CMI code of d type flip flop output this moment, and in preservation state, realize latching first CMI code value.Through a CMI symbol width time, the rising edge of clock CP arrives (now corresponding second CMI code mid point constantly), and d type flip flop is exported deputy CMI code value, meanwhile, first CMI code being latched enters second d type flip flop, thereby realizes the separation of two CMI codes.
Described decoding computing circuit 32 comprises an XOR gate and a d type flip flop, and wherein, XOR gate connects respectively first, second CMI code output of code bit separation circuit, and NRZ is decoding output.From CMI decoding principle, as long as same exclusive disjunction is carried out in first, second position of CMI code, must its corresponding NRZ code, so the present embodiment is first done anti-phase computing through XOR gate again by first, second position of CMI code, obtains decoding output.
The digital signal that optical signal receiving module 1 is passed to the CMI code of coming by described decoding module 3 is translated into the digital signal of NRZ code, thereby the present invention can match with the photon key of transmission CMI coded signal, described CMI code has the following advantages: (1) does not exist DC component, and low frequency component is less; (2) in information code current, there is very strong clock-pulse component, be convenient to extract clock information from signal; (3) there is certain error correcting capability.Thereby, can reduce the bit error rate that signal transmits.
Described microprocessor module 4 is decrypted and authenticates for the NRZ code digital signal to receiving, then control door lock and open or close, and by photon key pass come by described protocol conversion module 5, send host computer (not shown) to No. ID.Described microprocessor module 4 is provided with microprocessor, and described microprocessor can be single-chip microcomputer, FPGA or DSP.In the present embodiment, described microprocessor is single-chip microcomputer.Described protocol conversion module 5 can be that RS232 interface or RS232 turn USB interface etc., in the present embodiment, described protocol conversion module 5 comprises that RS232 interface and RS232 parallel with one another turn USB interface, thereby can be convenient to be connected with the host computer with RS232 interface or USB interface, that by described interface, microprocessor module 4 can be exported carries out protocol conversion No. ID, the ID format conversion of Wiegand protocol is become to the signal with RS232 agreement, the ID format conversion of Wiegand protocol is become to USB form, then ID is reported to computer host computer.
Refer to Fig. 5, described energy supply control module comprises photodiode D1, signal amplifier U1 and field effect transistor T1, light signal generation current signal that described photodiode D1 launches for induced photon key, described signal amplifier U1 is for described current signal is amplified, and described field effect transistor T1 is for controlling the break-make of power supply VCC according to the current signal of described amplification.In addition, described photodiode D1 is parallel with shunt resistance R1, thereby the surge current producing in the time of can avoiding described field effect transistor T1 break-make blows described photodiode D1.In the present embodiment, the model of described photodiode D1 is SFH203P, and it can receive the light of 400nm to 1100nm wavelength, and when bias voltage is 1V, the dark current of SFH203P is about 100pA.
Embodiment bis-:
Refer to Fig. 6, the present embodiment is similar to embodiment mono-, and its something in common is: include optical signal receiving module 1, microprocessor module 4, protocol conversion module 5, power supply VCC and energy supply control module; Its difference is: in the present embodiment, one stage signal amplifier 6, second signal amplifier 7 and detuner 8 for being electrically connected in order between described optical signal receiving module 1 and microprocessor module 4, described one stage signal amplifier 6 is for the current signal of optical signal receiving module 1 output is converted to voltage signal, and output after described voltage signal is amplified; Described second signal amplifier 7 is for continuing to be amplified to the manageable signal of described microprocessor module 4 by the signal of described one stage signal amplifier 6 outputs; Described detuner 8, for second signal amplifier 7 being passed to the ID signal of coming according to the ID form demodulation sending out, is sent in processor module 4, carries out corresponding signal processing.It is identical with embodiment mono-to the control principle of door lock, does not repeat them here.
In sum, the present invention is by being provided with described photodiode D1, signal amplifier U1 and the field effect transistor T1 cooperatively interacting, utilize light signal to discharge to do trigger pip and control power switch, circuit design is more reasonable, solve the problems such as the large or output voltage of electric current is unstable, more reduce current drain.
By reference to the accompanying drawings embodiments of the invention are described above, but the present invention is not limited to above-mentioned embodiment, above-mentioned embodiment is only schematic, rather than restrictive, those of ordinary skill in the art is under enlightenment of the present invention, do not departing from the scope situation that aim of the present invention and claim protect, also can make a lot of forms, for example, the photodiode 11 of described optical signal receiving module 1 and the photodiode D1 of energy supply control module are same photodiode etc., within these all belong to protection of the present invention.
Claims (10)
1. an energy supply control module, it is characterized in that: comprise photodiode, signal amplifier and field effect transistor, described photodiode is for induction light signal generation current signal, described signal amplifier is for described current signal is amplified, and described field effect transistor is for controlling the break-make of power supply according to the current signal of described amplification.
2. energy supply control module according to claim 1, is characterized in that: described photodiode is parallel with shunt resistance.
3. a photon smart lock, is characterized in that: comprise power supply, energy supply control module, optical signal receiving module and microprocessor module, described power supply is used for providing electric energy; Described energy supply control module comprises photodiode, signal amplifier and field effect transistor, described photodiode is for induction light signal generation current signal, described signal amplifier is for described current signal is amplified, and described field effect transistor is for controlling the break-make of power supply according to the current signal of described amplification; Described optical signal receiving module converts electric signal to for the light signal that contains ID information that photon key is launched; Described microprocessor module is opened or closes for controlling door lock according to described electric signal.
4. photon smart lock according to claim 3, is characterized in that: described photon smart lock also comprises protocol conversion module, and described protocol conversion module is used for described No. ID to carry out protocol conversion, then passes to host computer.
5. photon smart lock according to claim 4, is characterized in that: described light-operated door lock also comprises signal demodulation module, and described signal demodulation module is used for by the signal demodulation of optical signal receiving module output out, and sends described microprocessor module to.
6. photon smart lock according to claim 5, is characterized in that: described light-operated door lock also comprises decoding module, and described decoding module is translated into the digital signal of NRZ code for optical signal receiving module being passed to the digital signal of the CMI code of coming.
7. photon smart lock according to claim 6, is characterized in that: described light-operated door lock also comprises balanced Shaping Module, and described balanced Shaping Module is for eliminating intersymbol interference and correct pulse waveform the signal of optical signal receiving module output.
8. photon smart lock according to claim 7, it is characterized in that: described balanced Shaping Module comprises operational amplifier and the comparer of mutual electrical connection, one input end of the input end of described operational amplifier and described comparer is all electrically connected to the output terminal of described optical signal receiving module, and the output terminal of described comparer is electrically connected to described decoding module.
9. photon smart lock according to claim 3, it is characterized in that: described optical signal receiving module comprises photodiode, signal amplifier and bandpass filter, described photodiode and described bandpass filter are electrically connected to described signal amplifier respectively.
10. energy supply control module according to claim 4 and photon smart lock, is characterized in that: described protocol conversion module is that RS232 interface or RS232 turn USB interface.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210317181.1A CN103679856B (en) | 2012-08-31 | 2012-08-31 | Energy supply control module and photon smart lock |
| KR1020157006496A KR101738792B1 (en) | 2012-08-13 | 2013-08-13 | Optical signal processing apparatus and decoding method for optical signal reception control device |
| PCT/CN2013/081414 WO2014026601A1 (en) | 2012-08-13 | 2013-08-13 | Optical signal processing apparatus and decoding method for optical signal reception control device |
| US14/621,402 US9755747B2 (en) | 2012-08-13 | 2015-02-13 | Optical signal processing apparatus and decoding method for optical signal reception control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210317181.1A CN103679856B (en) | 2012-08-31 | 2012-08-31 | Energy supply control module and photon smart lock |
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| Publication Number | Publication Date |
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| CN103679856A true CN103679856A (en) | 2014-03-26 |
| CN103679856B CN103679856B (en) | 2015-09-09 |
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| CN201210317181.1A Active CN103679856B (en) | 2012-08-13 | 2012-08-31 | Energy supply control module and photon smart lock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106781424A (en) * | 2017-01-09 | 2017-05-31 | 上海胤祺集成电路有限公司 | Infrared receiving circuit |
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| CN1676843A (en) * | 2004-04-02 | 2005-10-05 | 董剑秋 | Electronic lock power supply start method and device |
| CN201539152U (en) * | 2009-10-26 | 2010-08-04 | 范根喜 | Photoelectric code lock system |
| CN102479398A (en) * | 2011-11-16 | 2012-05-30 | 深圳光启高等理工研究院 | Control method for door lock and door lock |
| CN102610013A (en) * | 2012-02-29 | 2012-07-25 | 深圳光启创新技术有限公司 | Visible light communication method and data storage system based on visible light communication |
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2012
- 2012-08-31 CN CN201210317181.1A patent/CN103679856B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676843A (en) * | 2004-04-02 | 2005-10-05 | 董剑秋 | Electronic lock power supply start method and device |
| CN201539152U (en) * | 2009-10-26 | 2010-08-04 | 范根喜 | Photoelectric code lock system |
| CN102479398A (en) * | 2011-11-16 | 2012-05-30 | 深圳光启高等理工研究院 | Control method for door lock and door lock |
| CN102610013A (en) * | 2012-02-29 | 2012-07-25 | 深圳光启创新技术有限公司 | Visible light communication method and data storage system based on visible light communication |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106781424A (en) * | 2017-01-09 | 2017-05-31 | 上海胤祺集成电路有限公司 | Infrared receiving circuit |
| CN106781424B (en) * | 2017-01-09 | 2024-06-21 | 上海胤祺集成电路有限公司 | Infrared receiving circuit |
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| CN103679856B (en) | 2015-09-09 |
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Effective date of registration: 20210419 Address after: 518057 2 / F, software building, No.9, Gaoxin Middle Road, Nanshan District, Shenzhen, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: 518034. A, 18B, CIC international business center, 1061 Mei Xiang Road, Shenzhen, Guangdong, Futian District Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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Effective date of registration: 20240425 Address after: Building 4, 1st Floor, Foshan Military Civilian Integration Industrial Park, No. 68 Defu Road, Xingtan Town, Shunde District, Foshan City, Guangdong Province, 528300 Patentee after: Foshan Shunde Guangqi Advanced Equipment Co.,Ltd. Country or region after: China Address before: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Country or region before: China |