CN104506246A - LED lighting lamp identification method, LED lamp, verification device and system - Google Patents
LED lighting lamp identification method, LED lamp, verification device and system Download PDFInfo
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- CN104506246A CN104506246A CN201410727687.9A CN201410727687A CN104506246A CN 104506246 A CN104506246 A CN 104506246A CN 201410727687 A CN201410727687 A CN 201410727687A CN 104506246 A CN104506246 A CN 104506246A
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Abstract
The invention discloses an LED lighting lamp identification method, a lamp, a verification device and a system. The method comprises the steps that S1, signature information of the LED lighting lamp is generated; S2, the signature information is modulated and transmitted in the mode of an optical signal via the LED lighting lamp; S3, the optical signal with the signature information is received, and the optical signal is converted into an electric signal; and S4, the electric signal is demodulated, the signature information is extracted and the signature information is identified or judged. The lamp comprises a control unit, an LED driver and an LED lamp. The verification device comprises a photoelectric conversion unit, a signal demodulation unit and a digital processing unit. The system comprises the LED lighting lamp and the verification device of the LED lighting lamp. Judgment of authenticity of the lamp is realized, and characteristics that optical signal transmission is not affected by electromagnetic interference and has no penetrability are utilized so that reliability and security of signature information transmission are realized. Besides, additional cost is not increased or only a small part of cost is increased. The LED lighting lamp identification method can be widely applied to various LED lighting lamp identification systems.
Description
Technical field
The invention belongs to LED communication field, particularly relate to a kind of light sent by LED illumination lamp self and realize light fixture knowledge method for distinguishing, the invention still further relates to a kind of LED illumination lamp, a kind of demo plant of LED illumination lamp and the system of light fixture identification.
Background technology
PPM: pulse-position modulation, with the relative position (i.e. phase place) of each pulse in modulation signal control impuls sequence, makes the relative position of each pulse change with modulation signal.
Current truth identification technology and anti-repudiation technology mainly comprise laser anti-repudiation code, bar code (or Quick Response Code) and RFID anti-repudiation etc.But laser anti-repudiation code and bar code are all very easy to be replicated or need the equipment of specialty to identify.
At this specific product of LED illumination lamp, as adopted the technology such as laser anti-repudiation code, bar code (or Quick Response Code) and RFID anti-repudiation, need to increase extra cost, and be easily replicated, safety and reliability is low.
Summary of the invention
In order to solve the problems of the technologies described above, the object of this invention is to provide and a kind ofly carry out identifying in conjunction with LED illumination lamp optical communication technique and the recognition methods of LED illumination lamp of anti-repudiation, LED lamp, demo plant and system, be intended to solve current LED illumination lamp and be easy to copy, easily palm off and problem that anti-repudiation identification cost is high.
The technical solution adopted in the present invention is:
A recognition methods for LED illumination lamp, it comprises step: S1, arranges or generate the signing messages of LED illumination lamp; S2, modulates signing messages, and is sent with light signal by LED illumination lamp; S3, receives the light signal with signing messages, and light signal is converted to the signal of telecommunication; S4, carries out demodulation to the signal of telecommunication, extracts signing messages, and identifies signing messages or judge.
Preferably, described step S2 is specially: modulate signing messages with PPM coding, and sent with light signal by LED illumination lamp.
Preferably, described step S1 specifically comprises sub-step: S11, the LED illumination lamp characteristic information of reading, and described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information; S12, by the conversion of characteristic information through specific function, calculates and obtains out signing messages; S13, utilizes private spoon signing messages to be generated as the signing messages of encryption.
Preferably, described step S4 specifically comprises sub-step: S41, carries out demodulation to the signal of telecommunication, obtains the signing messages of encryption; S42, utilizes the signing messages of private spoon to encryption to be decrypted, obtains signing messages; S43, reads the characteristic information of LED illumination lamp, and described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information; S44, by the conversion of characteristic information through specific function, calculates and obtains out reference signature information; S45, contrasts the signing messages described in step S42 and the reference signature information described in step S44, realizes identifying signing messages or judging.
A kind of LED illumination lamp, it comprises: control unit, for generating signing messages, and modulates signing messages; LED driver, for the control according to control unit, driving LED lamp sends the light signal with signing messages; LED, for sending light signal.
Preferably, described control unit comprises: characteristic information obtains subelement, and for the LED illumination lamp characteristic information read, described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information; Data variation process subelement, for by the conversion of characteristic information through specific function, calculates and obtains out signing messages; Encryption sub-unit operable, for the signing messages utilizing private spoon signing messages to be generated as encryption; Modulates information subelement, for modulating signing messages, the described output of modulates information subelement is connected with the input of LED driver.
A demo plant for LED illumination lamp, it comprises: photoelectric conversion unit, for receiving the light signal with signing messages, and light signal is converted to the signal of telecommunication; Signal demodulation unit, for carrying out demodulation to the signal of telecommunication, extracts signing messages; Digital processing element, for identifying signing messages or judging.
Preferably, be also connected with decryption unit between the output of described signal demodulation unit and the input of digital processing element, described decryption unit is decrypted for utilizing the signing messages of private spoon to encryption, obtains the signing messages after deciphering.
Preferably, it also comprises indicating member, and it is for receiving the recognition result of digital processing element and exporting corresponding index signal.
A recognition system for LED illumination lamp, it comprises the demo plant of a kind of LED illumination lamp and a kind of LED illumination lamp, and described photoelectric conversion unit receives the light signal from LED.
The invention has the beneficial effects as follows:
The present invention transmits signing messages by LED light signal, regenerates data by the reception of light signal, decoding, conversion, and comparison data, realize the judgement of the light fixture true and false, simultaneously by this information, light fixture has non repudiation; Utilize optical signal transmission not by electromagnetic interference, do not have a penetrability, realize reliability and the fail safe of signing messages transmission, and LED illumination lamp is without the need to additionally increasing cost or only need increasing small part cost, has good economic and social benefit.
In addition, the present invention, by the characteristic information of LED illumination lamp is generated signing messages and the encryption to signing messages, makes signing messages more safe and reliable.
The present invention can be widely used in various LED illumination lamp recognition system.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further:
Fig. 1 is the flow chart of a kind of embodiment of recognition methods of a kind of LED illumination lamp of the present invention;
Fig. 2 is the structured flowchart of the recognition system of a kind of LED illumination lamp of the present invention.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
As shown in Figure 1, a kind of recognition methods of LED illumination lamp, it comprises step: S1, arranges or generate the signing messages of LED illumination lamp; S2, modulates signing messages, and is sent with light signal by LED illumination lamp; S3, receives the light signal with signing messages, and light signal is converted to the signal of telecommunication; S4, carries out demodulation to the signal of telecommunication, extracts signing messages, and identifies signing messages or judge.
Preferably, described step S2 is specially: modulate signing messages with PPM coding, and sent with light signal by LED illumination lamp.
Preferably, described step S1 specifically comprises sub-step: S11, the LED illumination lamp characteristic information of reading, and described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information; S12, by the conversion of characteristic information through specific function, calculates and obtains out signing messages; S13, utilizes private spoon signing messages to be generated as the signing messages of encryption.Wherein, the private spoon shown in step S13 can be the PKI issued by a reliable technical management mechanism and certifying organization (CA:Certification Authority).
Preferably, described step S4 specifically comprises sub-step: S41, carries out demodulation to the signal of telecommunication, obtains the signing messages of encryption; S42, utilizes the signing messages of private spoon to encryption to be decrypted, obtains signing messages; S43, reads the characteristic information of LED illumination lamp, and described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information; S44, by the conversion of characteristic information through specific function, calculates and obtains out reference signature information; S45, contrasts the signing messages described in step S42 and the reference signature information described in step S44, realizes identifying signing messages or judging.
Wherein, utilize control unit to obtain and use light fixture characteristic information (as combinations such as manufacturer, model coding, sequence numbers), Choice encryption algorithm carries out computing, generates the digital signature information of encryption; By the digital signature information data of described light fixture characteristic information and encryption, modulate with PPM coding, and send with visible light signal through LED illumination lamp.
This visible light signal is received by a photoelectric sensor (photoelectric conversion unit), and be converted to the signal of telecommunication through this signal of telecommunication of demodulating unit demodulation, described light fixture characteristic information, digital signature is obtained through digital processing element, recalculate with algorithm and obtain benchmark digital signature, and the signing messages obtained decoding and benchmark digital signature compare, demonstrated the true and false of LED illumination lamp by indicating member, by digital signature and private spoon, simultaneous verification mechanism confirms that whether reasonable denial is.
In said method, characteristic information is the combined informations such as described lighting manufacturer, model coding, sequence number.
Described control unit and digital processing element preset Digital Signature Algorithm.
Described Digital Signature Algorithm can including but not limited to verification algorithm, labelling method etc.
As shown in Figure 2, a kind of LED illumination lamp, it comprises: control unit, for generating signing messages, and modulates signing messages; LED driver, for the control according to control unit, driving LED lamp sends the light signal with signing messages; LED, for sending light signal.
Preferably, described control unit comprises: characteristic information obtains subelement, and for the LED illumination lamp characteristic information read, described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information; Data variation process subelement, for by the conversion of characteristic information through specific function, calculates and obtains out signing messages; Encryption sub-unit operable, for the signing messages utilizing private spoon signing messages to be generated as encryption; Modulates information subelement, for modulating signing messages, the described output of modulates information subelement is connected with the input of LED driver.
A demo plant for LED illumination lamp, it comprises: photoelectric conversion unit, for receiving the light signal with signing messages, and light signal is converted to the signal of telecommunication; Signal demodulation unit, for carrying out demodulation to the signal of telecommunication, extracts signing messages; Digital processing element, for identifying signing messages or judging.
Preferably, be also connected with decryption unit between the output of described signal demodulation unit and the input of digital processing element, described decryption unit is decrypted for utilizing the signing messages of private spoon to encryption, obtains the signing messages after deciphering.
Preferably, it also comprises indicating member, and it is for receiving the recognition result of digital processing element and exporting corresponding index signal.
Wherein, a kind of signal demodulation unit of demo plant of LED illumination lamp and/or digital processing element and/or decryption unit can be arranged on far-end smart machine, be connected to scene by the mode such as the Internet or mobile communications network, realize the teleprocessing of data, there is very high extensibility.
A recognition system for LED illumination lamp, it comprises the demo plant of a kind of LED illumination lamp and a kind of LED illumination lamp, and described photoelectric conversion unit receives the light signal from LED.
The present invention transmits signing messages by LED light signal, regenerates data by the reception of light signal, decoding, conversion, and comparison data, realize the judgement of the light fixture true and false, simultaneously by this information, light fixture has non repudiation; Utilize optical signal transmission not by electromagnetic interference, do not have a penetrability, realize reliability and the fail safe of signing messages transmission, and LED illumination lamp is without the need to additionally increasing cost or only need increasing small part cost, has good economic and social benefit.
In addition, the present invention, by the characteristic information of LED illumination lamp is generated signing messages and the encryption to signing messages, makes signing messages more safe and reliable.
The present invention can be widely used in various LED illumination lamp recognition system.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and these equivalent distortion or replacement are all included in the application's claim limited range.
Claims (10)
1. a recognition methods for LED illumination lamp, is characterized in that, it comprises step:
S1, arranges or generates the signing messages of LED illumination lamp;
S2, modulates signing messages, and is sent with light signal by LED illumination lamp;
S3, receives the light signal with signing messages, and light signal is converted to the signal of telecommunication;
S4, carries out demodulation to the signal of telecommunication, extracts signing messages, and identifies signing messages or judge.
2. the recognition methods of a kind of LED illumination lamp according to claim 1, is characterized in that, described step S2 is specially: modulate signing messages with PPM coding, and sent with light signal by LED illumination lamp.
3. the recognition methods of a kind of LED illumination lamp according to claim 1, is characterized in that, described step S1 specifically comprises sub-step:
S11, the LED illumination lamp characteristic information of reading, described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information;
S12, by the conversion of characteristic information through specific function, calculates and obtains out signing messages;
S13, utilizes private spoon signing messages to be generated as the signing messages of encryption.
4. the recognition methods of a kind of LED illumination lamp according to claim 1, is characterized in that, described step S4 specifically comprises sub-step:
S41, carries out demodulation to the signal of telecommunication, obtains the signing messages of encryption;
S42, utilizes the signing messages of private spoon to encryption to be decrypted, obtains signing messages;
S43, reads the characteristic information of LED illumination lamp, and described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information;
S44, by the conversion of characteristic information through specific function, calculates and obtains out reference signature information;
S45, contrasts the signing messages described in step S42 and the reference signature information described in step S44, realizes identifying signing messages or judging.
5. a LED illumination lamp, is characterized in that, it comprises:
Control unit, for generating signing messages, and modulates signing messages;
LED driver, for the control according to control unit, driving LED lamp sends the light signal with signing messages;
LED, for sending light signal.
6. a kind of LED illumination lamp according to claim 5, is characterized in that, described control unit comprises:
Characteristic information obtains subelement, and for the LED illumination lamp characteristic information read, described characteristic information comprises manufacturer's information and/or model coded message and/or sequence number information;
Data variation process subelement, for by the conversion of characteristic information through specific function, calculates and obtains out signing messages;
Encryption sub-unit operable, for the signing messages utilizing private spoon signing messages to be generated as encryption;
Modulates information subelement, for modulating signing messages, the described output of modulates information subelement is connected with the input of LED driver.
7. a demo plant for LED illumination lamp, is characterized in that, it comprises:
Photoelectric conversion unit, for receiving the light signal with signing messages, and is converted to the signal of telecommunication by light signal;
Signal demodulation unit, for carrying out demodulation to the signal of telecommunication, extracts signing messages;
Digital processing element, for identifying signing messages or judging.
8. the demo plant of a kind of LED illumination lamp according to claim 7, it is characterized in that, also decryption unit is connected with between the output of described signal demodulation unit and the input of digital processing element, described decryption unit is decrypted for utilizing the signing messages of private spoon to encryption, obtains the signing messages after deciphering.
9. the demo plant of a kind of LED illumination lamp according to claim 7 or 8, it is characterized in that, it also comprises indicating member, and it is for receiving the recognition result of digital processing element and exporting corresponding index signal.
10. the recognition system of a LED illumination lamp, it is characterized in that, it comprises the demo plant of a kind of LED illumination lamp as described in claim 5 or 6 and a kind of LED illumination lamp as described in any one of claim 7 to 9, and described photoelectric conversion unit receives the light signal from LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410727687.9A CN104506246A (en) | 2014-12-03 | 2014-12-03 | LED lighting lamp identification method, LED lamp, verification device and system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410727687.9A CN104506246A (en) | 2014-12-03 | 2014-12-03 | LED lighting lamp identification method, LED lamp, verification device and system |
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| CN104506246A true CN104506246A (en) | 2015-04-08 |
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| CN201410727687.9A Pending CN104506246A (en) | 2014-12-03 | 2014-12-03 | LED lighting lamp identification method, LED lamp, verification device and system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106304511A (en) * | 2016-10-30 | 2017-01-04 | 北京申安投资集团有限公司 | A kind of control method of spontaneous LED lamp information |
| CN107579946A (en) * | 2016-07-04 | 2018-01-12 | 佛山市顺德区美的电热电器制造有限公司 | The acquisition methods of household electrical appliance and its Quick Response Code, system |
| CN109934319A (en) * | 2017-12-19 | 2019-06-25 | 陕西外号信息技术有限公司 | Optical communication apparatus and corresponding method for anti-counterfeit and system |
-
2014
- 2014-12-03 CN CN201410727687.9A patent/CN104506246A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107579946A (en) * | 2016-07-04 | 2018-01-12 | 佛山市顺德区美的电热电器制造有限公司 | The acquisition methods of household electrical appliance and its Quick Response Code, system |
| CN106304511A (en) * | 2016-10-30 | 2017-01-04 | 北京申安投资集团有限公司 | A kind of control method of spontaneous LED lamp information |
| CN109934319A (en) * | 2017-12-19 | 2019-06-25 | 陕西外号信息技术有限公司 | Optical communication apparatus and corresponding method for anti-counterfeit and system |
| CN109934319B (en) * | 2017-12-19 | 2021-06-15 | 陕西外号信息技术有限公司 | Optical communication device and corresponding anti-counterfeiting method and system |
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Application publication date: 20150408 |
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