CN205029951U - Cross zero carrier wave and transfer optical communication system - Google Patents
Cross zero carrier wave and transfer optical communication system Download PDFInfo
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- CN205029951U CN205029951U CN201520838477.7U CN201520838477U CN205029951U CN 205029951 U CN205029951 U CN 205029951U CN 201520838477 U CN201520838477 U CN 201520838477U CN 205029951 U CN205029951 U CN 205029951U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Optical Communication System (AREA)
Abstract
The utility model discloses a cross zero carrier wave and transfer optical communication system, including filtering separation device, communication control unit, filtering separation device is established on the power supply line of ac energisation unit connection, whether communication control unit adjusts luminance to carrier loading control according to the light source when the alternating current zero crossing, and including power supply and outside communication circuit, zero cross detection circuit, control chip and memory, signal decoding circuit, carrier wave transceiver circuits, power supply and outside communication circuit and zero cross detection circuit input, carrier wave transceiver circuits output link on the power supply line after filtering separation device according to the signal transmission direction in proper order. This system utilizes and is exchanging the mode realization that the zero crossing pours into the carrier wave into to the power supply line, and according to the practical application scene, the data volume of transmission is very little when adjusting luminance, and the real -time requires not highly, can satisfy this kind of application, saves dear PLC power line carrier dedicated chip, and is with low costs.
Description
Technical field
The utility model relates to Communication Control Technology field, is specifically related to one and crosses zero carrier light modulation communication system.
Background technology
Outdoor remote is powered, particularly LED brightness adjustment control field, carries out certain adjustment, such as light modulation, can realize secondary energy-saving like this while requiring power supply to the output of power supply.When needs light modulation time, current way is that a Centralized Controller is installed at control cubicle place, the mode of general employing PLC power carrier communicates, power line carrier, PLC needs to install single-lamp controller additional at power end, single-lamp controller inside comprises expensive communication and decoding chip, when power supply number more (as street lamp), the cost of whole system is very high, is unfavorable for popularizing.Therefore, a kind of new light modulation communication system of exploitation is needed badly.
Summary of the invention
The purpose of this utility model is to provide one and crosses zero carrier light modulation communication system and method, to solve the deficiencies in the prior art.
The utility model is by the following technical solutions:
One crosses zero carrier light modulation communication system, and comprise filtering baffling device, communication controler, filtering baffling device is connected with Alternating Current Power Supply unit output, for ensureing that loading wave sends by signal transfer direction in supply line, described communication controler carries out carrier wave Loading Control according to light source the need of light modulation when zero-crossing of alternating current, by whether there is carrier signal at zero-crossing of alternating current, or carrier signal duration length is different and define communication numeral 1 and numeral 0, comprise power supply and external communication circuit, zero cross detection circuit, control chip and memory, signal decoding circuit, carrier transmitting-receiving circuit, power supply and external communication circuit output, zero cross detection circuit output is all connected with control chip and memory, control chip and memory output are connected with signal decoding circuit, signal decoding circuit output is connected with carrier transmitting-receiving circuit, power supply and external communication circuit input, zero cross detection circuit input, carrier transmitting-receiving circuit output end is connected in turn in the supply line after filtering baffling device by signal transfer direction in supply line, supply line afterwards connects some power supplys, and some power supplys are connected with respective corresponding light source again.
Further, when being defined in zero-crossing of alternating current and whether there is carrier signal, frequency of carrier signal is at 1k-1000k, and amplitude is within 20V, and the bolus injection carrier wave duration is less than 3ms; When defining carrier signal duration length, frequency of carrier signal is between 1k-1000k, and amplitude is within 20V, and the carrier wave duration is greater than 1us, is less than 3ms.
Further, the power supply of communication controler and external communication circuit arrange the port of PERCOM peripheral communication, and communication controler is by power supply and external communication circuit ground connection.
Further, communication controler and filtering baffling device discrete or in one apparatus integrated.
Further, some power supplys comprise LED power, communication power supply or high-voltage DC power supply.
Further, some power supplys and communication controler are spatially arranged in a place or keep at a certain distance away and arrange, described spacing distance is not more than 10kM.
Further, described some power supplys comprise input and transmitter unit, Signal reception and decoding unit, voltage detecting and current detecting unit, MCU/ single-chip microcomputer, memory, output control unit, power conversion unit, input and transmitter unit input, voltage detecting and current detecting unit input are connected in turn in supply line by signal transfer direction in supply line, input and transmitter unit output are connected with Signal reception and decoding unit, Signal reception and decoding unit output, voltage detecting and current detecting unit output are all connected with MCU/ single-chip microcomputer, MCU/ single-chip microcomputer and memory are bi-directionally connected, MCU/ single-chip microcomputer output respectively and output control unit, power conversion unit connects, output control unit output is connected with power conversion unit, power conversion unit is arranged in the supply line after voltage detecting and current detecting unit connection, power conversion unit is connected with respective corresponding light source again.
the beneficial effects of the utility model:
1, communication system of the present utility model utilizes and realizes in the mode of ac zero-crossing point to supply line's injected carrier, according to practical application scene, the data volume transmitted during light modulation is very little, requirement of real-time is not high, the utility model can meet this application, only need use simple high pass filter baffling device can in the presence or absence of zero-crossing of alternating current detected carrier signal, do not need to detect the information specifically comprised inside every section of high-frequency signal, thus eliminate expensive PLC power carrier special chip, thus cost is low.
2, the utility model is realized by the mode applying carrier wave or non-loading wave at zero-crossing of alternating current.If certain zero crossing being defined in alternating current exists carrier wave (carrier frequency is greater than 1k) for numeral 1, loading wave signal is not numeral 0, then can realize unidirectional or two-way communication according to certain communication protocol.This communication mode semaphore is little, does not need the specifying information judging that carrier wave inside comprises, but simple to have, in no wayly to communicate, thus communication reliability increases, and cost is lower, is applicable to very much the occasion that LED power light modulation communicates.Especially, can expand in ac zero-crossing point carrier signal duration length difference and form signal of communication.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation.
Fig. 2 is that the utility model realizes principle schematic.
Fig. 3 is the utility model communication controler structural representation.
Fig. 4 is the utility model power supply architecture schematic diagram.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model done and further explain.The following example only for illustration of the utility model, but is not used for limiting practical range of the present utility model.
One crosses zero carrier light modulation communication system, as shown in Figure 1, comprises filtering baffling device, communication controler.Filtering baffling device is connected with Alternating Current Power Supply unit output, for ensureing that loading wave sends by signal transfer direction in supply line.As shown in Figure 2, communication controler carries out carrier wave Loading Control according to light source the need of light modulation when zero-crossing of alternating current, by whether there is carrier signal at zero-crossing of alternating current, or carrier signal duration length different and definition communication numeral 1 and numeral 0.When being defined in zero-crossing of alternating current and whether there is carrier signal, frequency of carrier signal is at 1k-1000k, and amplitude is within 20V, and the bolus injection carrier wave duration is less than 3ms; When defining carrier signal duration length, frequency of carrier signal is between 1k-1000k, and amplitude is within 20V, and the carrier wave duration is greater than 1us, is less than 3ms.Communication controler as shown in Figure 3, comprise power supply and external communication circuit, zero cross detection circuit, control chip and memory, signal decoding circuit, carrier transmitting-receiving circuit, power supply and external communication circuit arrange the port of PERCOM peripheral communication, and communication controler is by power supply and external communication circuit ground connection; Power supply and external communication circuit output, zero cross detection circuit output are all connected with control chip and memory, control chip and memory output are connected with signal decoding circuit, signal decoding circuit output is connected with carrier transmitting-receiving circuit, and power supply and external communication circuit input, zero cross detection circuit input, carrier transmitting-receiving circuit output end are connected in turn in the supply line after filtering baffling device by signal transfer direction in supply line.Communication controler and filtering baffling device discrete or in one apparatus integrated.Supply line afterwards connects some power supplys, and some power supplys comprise LED power, communication power supply or high-voltage DC power supply, and some power supplys and communication controler are spatially arranged in a place or keep at a certain distance away and arrange, described spacing distance is not more than 10kM.Described some power supplys as shown in Figure 4, comprise input and transmitter unit, Signal reception and decoding unit, voltage detecting and current detecting unit, MCU/ single-chip microcomputer, memory, output control unit, power conversion unit, input and transmitter unit input, voltage detecting and current detecting unit input are connected in turn in supply line by signal transfer direction in supply line, input and transmitter unit output are connected with Signal reception and decoding unit, Signal reception and decoding unit output, voltage detecting and current detecting unit output are all connected with MCU/ single-chip microcomputer, MCU/ single-chip microcomputer and memory are bi-directionally connected, MCU/ single-chip microcomputer output respectively and output control unit, power conversion unit connects, output control unit output is connected with power conversion unit, power conversion unit is arranged in the supply line after voltage detecting and current detecting unit connection, power conversion unit is connected with respective corresponding light source again.
Claims (7)
1. cross a zero carrier light modulation communication system, it is characterized in that, comprise filtering baffling device, communication controler, filtering baffling device is connected with Alternating Current Power Supply unit output, for ensureing that loading wave sends by signal transfer direction in supply line, described communication controler carries out carrier wave Loading Control according to light source the need of light modulation when zero-crossing of alternating current, by whether there is carrier signal at zero-crossing of alternating current, or carrier signal duration length is different and define communication numeral 1 and numeral 0, comprise power supply and external communication circuit, zero cross detection circuit, control chip and memory, signal decoding circuit, carrier transmitting-receiving circuit, power supply and external communication circuit output, zero cross detection circuit output is all connected with control chip and memory, control chip and memory output are connected with signal decoding circuit, signal decoding circuit output is connected with carrier transmitting-receiving circuit, power supply and external communication circuit input, zero cross detection circuit input, carrier transmitting-receiving circuit output end is connected in turn in the supply line after filtering baffling device by signal transfer direction in supply line, supply line afterwards connects some power supplys, and some power supplys are connected with respective corresponding light source again.
2. the communication system of zero carrier light modulation excessively according to claim 1, it is characterized in that, when being defined in zero-crossing of alternating current and whether there is carrier signal, frequency of carrier signal is at 1k-1000k, and amplitude is within 20V, and the bolus injection carrier wave duration is less than 3ms; When defining carrier signal duration length, frequency of carrier signal is between 1k-1000k, and amplitude is within 20V, and the carrier wave duration is greater than 1us, is less than 3ms.
3. the communication system of zero carrier light modulation excessively according to claim 1, it is characterized in that, the power supply of communication controler and external communication circuit arrange the port of PERCOM peripheral communication, and communication controler is by power supply and external communication circuit ground connection.
4. according to claim 1ly cross zero carrier light modulation communication system, it is characterized in that, communication controler and filtering baffling device discrete or in one apparatus integrated.
5. the communication system of zero carrier light modulation excessively according to claim 1, it is characterized in that, some power supplys comprise LED power, communication power supply or high-voltage DC power supply.
6. the communication system of zero carrier light modulation excessively according to claim 1, it is characterized in that, some power supplys and communication controler are spatially arranged in a place or keep at a certain distance away and arrange, described spacing distance is not more than 10kM.
7. the communication system of zero carrier light modulation excessively according to claim 1, it is characterized in that, described some power supplys comprise input and transmitter unit, Signal reception and decoding unit, voltage detecting and current detecting unit, MCU/ single-chip microcomputer, memory, output control unit, power conversion unit, input and transmitter unit input, voltage detecting and current detecting unit input are connected in turn in supply line by signal transfer direction in supply line, input and transmitter unit output are connected with Signal reception and decoding unit, Signal reception and decoding unit output, voltage detecting and current detecting unit output are all connected with MCU/ single-chip microcomputer, MCU/ single-chip microcomputer and memory are bi-directionally connected, MCU/ single-chip microcomputer output respectively and output control unit, power conversion unit connects, output control unit output is connected with power conversion unit, power conversion unit is arranged in the supply line after voltage detecting and current detecting unit connection, power conversion unit is connected with respective corresponding light source again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838477.7U CN205029951U (en) | 2015-10-27 | 2015-10-27 | Cross zero carrier wave and transfer optical communication system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520838477.7U CN205029951U (en) | 2015-10-27 | 2015-10-27 | Cross zero carrier wave and transfer optical communication system |
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| CN205029951U true CN205029951U (en) | 2016-02-10 |
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| CN201520838477.7U Expired - Fee Related CN205029951U (en) | 2015-10-27 | 2015-10-27 | Cross zero carrier wave and transfer optical communication system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226506A (en) * | 2019-12-31 | 2020-06-02 | 宗仁科技(平潭)有限公司 | Power carrier signal identification circuit, method and integrated circuit chip |
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2015
- 2015-10-27 CN CN201520838477.7U patent/CN205029951U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111226506A (en) * | 2019-12-31 | 2020-06-02 | 宗仁科技(平潭)有限公司 | Power carrier signal identification circuit, method and integrated circuit chip |
| WO2021134653A1 (en) * | 2019-12-31 | 2021-07-08 | 宗仁科技(平潭)有限公司 | Identification circuit and method for power-line carrier signal, and integrated circuit chip |
| CN111226506B (en) * | 2019-12-31 | 2022-07-26 | 宗仁科技(平潭)有限公司 | Power carrier signal identification circuit, method and integrated circuit chip |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160210 Termination date: 20211027 |
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| CF01 | Termination of patent right due to non-payment of annual fee |