CN103917006A - DLbus of intelligent lighting system - Google Patents
DLbus of intelligent lighting system Download PDFInfo
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- CN103917006A CN103917006A CN201310005562.0A CN201310005562A CN103917006A CN 103917006 A CN103917006 A CN 103917006A CN 201310005562 A CN201310005562 A CN 201310005562A CN 103917006 A CN103917006 A CN 103917006A
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Abstract
The invention discloses a DLbus of an intelligent lighting system. The DLbus comprises a communication medium, a power supply node and an ordinary node, wherein the impedance of a communication signal of the power supply node is 200 ohm, and the power supply node has a 250-ohm alternating current signal impedance, a 36V static output voltage and a 32V signal clamp voltage. The ordinary node serves as a bus transceiver and obtains work power from the bus. By means of the DLbus of the intelligent lighting system, the demand for cables is decreased, convenience is brought to user operation, lighting electricity is saved, and investment is decreased.
Description
Technical field
The present invention relates to a kind of DLbus bus, more precisely a kind of intelligent illuminating system DLbus bus.
Background technology
As the typical mechanics of communication of intelligent illuminating system, at present extensive use be two kinds: i-bus(EIB) and C-bus.
Wherein, i-bus is that ABB AB is according to the bus system of EIB protocol development.Adopt 4 core cables in physical layer, a pair of for communication, a pair of for power supply, communication baud rate is 9600bps, and in the situation that not adding route and relaying, single bus can be held 64 nodes, 1000 meters of communication distances farthest, supply power voltage DC24V, 350 meters of power supply distances farthest, free topology structure.Adopt CSMA/CA1 collision avoidance mechanism at link layer.
C-Bus is that Schneider company is all.Adopt 2 core cables in physical layer, communication signal loads in supply line, and communication baud rate is 9600bps, in the situation that not adding route and relaying, single bus can be held 100 nodes, farthest 1000 meters of power supply/communication distances, supply power voltage DC36V, free topology structure.Adopt CSMA/CD collision detection mechanism at link layer.
Summary of the invention
The object of this invention is to provide a kind of intelligent illuminating system DLbus bus, it can solve the above-mentioned shortcoming that prior art is produced.
The present invention is by the following technical solutions:
A kind of intelligent illuminating system DLbus bus, comprising:
Communication media;
Power supply node, the impedance of described power supply node communication signal is 200 ohm, and described power supply node has the AC signal impedance of 250 ohm, quiescent output voltage 36V, signal clamp voltage 32V;
Ordinary node, described ordinary node is as bus transceiver, and ordinary node also can obtain working power from bus.
Described power supply node is in a side, and described ordinary node concentrates on opposite side.
Described power supply node comprises one first power supply, the positive pole of described the first power supply is as the positive pole of DLbus bus, and the negative pole of described the first power supply is as the negative pole of DLbus bus, and the 21 resistance and the 22 resistance of the series connection in parallel of the two ends of described the first power supply, one the 23 resistance one end is connected with the negative pole of the first power supply, the other end connects the base stage of one the 21 triode, and the 21 triode emitter be connected between the 21 resistance and the 22 resistance, the 21 triode collector electrode connect the positive pole of the first power supply by one the 24 resistance, the emitter of one the 22 triode connects the positive pole of the first power supply, the base stage of the 22 triode connects one the 21 triode collector, the collector electrode of the 22 triode connects one the 26 resistance, the other end of the 26 resistance connects the negative pole of the first power supply by one the 27 resistance, one the 21 electric capacity one end is connected between the 26 resistance and the 27 resistance, the other end is connected with positive source, the emitter of one the 23 triode connects the positive pole of the first power supply by one the 28 resistance, the base stage of the 23 triode is connected between the 26 resistance and the 27 resistance, the collector electrode of the 23 triode connects the negative pole of power supply by the 34 resistance, one the 33 resistance one end is connected in the positive pole of the first power supply, the other end is connected in the 23 transistor collector, one the 25 resistance one end is connected in the base stage of the 21 triode, the other end is connected in the 23 transistor collector, one the 43 diode one end is connected in the positive pole of the first power supply, and the other end connects the positive pole of a second source, and the negative pole of this second source connects the negative pole of the first power supply.
Described ordinary node comprises a rectifier bridge, and the negative output terminal ground connection of this rectifier bridge, the 11 electric capacity one end connects the positive output end of a rectifier bridge, the other end connects one the 32 resistance, the other end of the 32 resistance connects the base stage of one the 51 triode, the transmitting tube ground connection of the 51 triode, the collector electrode of the 51 triode connects the output of DLbus bus by one the 33 resistance, one the 41 resistance one end connects the output of DLbus bus, and the 41 resistance other end connects the collector electrode of one the 52 triode, the grounded emitter of the 52 triode, and the base stage of the 52 triode connects the collector of ground the 51 triode, one the 34 resistance one end is connected in the output of DLbus bus, the other end is connected in the 33 resistance, the other end ground connection of the 33 resistance, the base stage of one the 54 triode is connected between the 34 resistance and the 33 resistance, and the emitter of the 54 resistance connects one the 36 resistance, the collector electrode of the 54 triode connects the positive output end of rectifier bridge by one the 43 resistance, the base stage of one the 53 triode is connected in the collector electrode of the 54 triode, and the 53 triode is by one the 37 grounding through resistance, one the 52 diode one end is connected in rectifier bridge one positive output end, the other end of this 52 diode is by one the 38 grounding through resistance, one the 39 resistance one end is connected in the positive output end of rectifier bridge, and the other end of the 39 resistance connects the emitter of one the 55 triode, the base stage of the 55 triode is connected between the 52 diode and the 38 resistance, the collector electrode of the 55 triode is by one the 51 diode ground connection, one the 52 electric capacity one end ground connection, the other end is connected in the output of DLbus bus.
The present invention has the following advantages:
The present invention can reduce cable consumption, and user is more convenient to operate, has saved electric consumption on lighting, has reduced investment.
Brief description of the drawings
Below in conjunction with embodiment and accompanying drawing, the present invention is described in detail, wherein:
Fig. 1 is the structural representation of power supply node of the present invention.
Fig. 2 is the structural representation of ordinary node of the present invention.
Embodiment
Further set forth the specific embodiment of the present invention below in conjunction with accompanying drawing:
As shown in Figures 1 and 2, a kind of intelligent illuminating system DLbus bus, comprising:
Communication media; Power supply node, the impedance of described power supply node communication signal is 200 ohm, and described power supply node has the AC signal impedance of 250 ohm, quiescent output voltage 36V, signal clamp voltage 32V;
Ordinary node, described ordinary node is as bus transceiver, and ordinary node also can obtain working power from bus.
Described power supply node is in a side, and described ordinary node concentrates on opposite side.
Described power supply node comprises one first power supply, the positive pole of described the first power supply is as the positive pole of DLbus bus, and the negative pole of described the first power supply is as the negative pole of DLbus bus, and the 21 resistance R the 21 and the 22 resistance R 22 of the two ends of described a first power supply series connection in parallel, one the 23 resistance R 23 one end are connected with the negative pole of the first power supply, the other end connects the base stage of one the 21 triode Q21, and the 21 triode Q21 emitter be connected between the 21 resistance R the 21 and the 22 resistance R 22, the 21 triode Q21 collector electrode connect the positive pole of the first power supply by one the 24 resistance R 24, the emitter of one the 22 triode Q22 connects the positive pole of the first power supply, the base stage of the 22 Q22 triode connects one the 21 triode Q21 collector, the collector electrode of the 22 triode Q22 connects one the 26 resistance R 26, the other end of the 26 resistance R 26 connects the negative pole of the first power supply by one the 27 resistance R 27, one the 21 capacitor C 21 one end are connected between the 26 resistance R the 26 and the 27 resistance R 27, the other end is connected with positive source, the emitter of one the 23 triode Q23 connects the positive pole of the first power supply by one the 28 resistance R 28, the base stage of the 23 triode Q23 is connected between the 26 resistance R the 26 and the 27 resistance R 27, the collector electrode of the 23 triode Q23 connects the negative pole of power supply by the 34 resistance R 34, one the 33 resistance R 33 one end are connected in the positive pole of the first power supply, the other end is connected in the 23 triode Q23 collector electrode, one the 25 resistance R 25 one end are connected in the base stage of the 21 triode Q21, the other end is connected in the 23 triode Q23 collector electrode, one the 43 diode D43 one end is connected in the positive pole of the first power supply, and the other end connects the positive pole of a second source, and the negative pole of this second source connects the negative pole of the first power supply.
Described ordinary node comprises a rectifier bridge, and the negative output terminal ground connection of this rectifier bridge, the 11 capacitor C 11 one end connect the positive output end of a rectifier bridge, the other end connects one the 32 resistance R 32, the other end of the 32 resistance connects the base stage of one the 51 triode Q51, the transmitting tube ground connection of the 51 triode Q51, the collector electrode of the 51 triode Q51 connects the output of DLbus bus by one the 33 resistance, one the 41 resistance R 41 one end connect the output of DLbus bus, and the 41 resistance R 41 other ends connect the collector electrode of one the 52 triode Q52, the grounded emitter of the 52 triode Q52, and the base stage of the 52 triode Q52 connects the collector of ground a 51 triode Q51, one the 34 resistance R 34 one end are connected in the output of DLbus bus, the other end is connected in the 33 resistance R 33, the other end ground connection of the 33 resistance R 33, the base stage of one the 54 triode Q54 is connected between the 34 resistance R the 34 and the 33 resistance R 33, and the emitter of the 54 resistance R 54 connects one the 36 resistance R 36, the collector electrode of the 54 triode Q54 connects the positive output end of rectifier bridge by one the 43 resistance R 43, the base stage of one the 53 triode Q53 is connected in the collector electrode of the 54 triode Q54, and the 53 triode Q53 is by one the 37 resistance R 37 ground connection, one the 52 diode Q52 one end is connected in rectifier bridge one positive output end, the other end of the 52 diode Q52 is by one the 38 resistance R 38 ground connection, one the 39 resistance R 39 one end are connected in the positive output end of rectifier bridge, and the other end of the 39 resistance connects the emitter of one the 55 triode Q55, the base stage of the 55 triode Q55 is connected between the 52 diode D52 and the 38 resistance R 38, the collector electrode of the 55 triode Q55 is by one the 51 diode D51 ground connection, one the 52 capacitor C 52 one end ground connection, the other end is connected in the output of DLbus bus.
This courage adopts 2 core cables in physical layer, and communication signal loads in supply line, supply power voltage DC36V, free topology structure.And different be with it that communication/power supply distance of the present invention is variable with the interstitial content holding, determined by the operating current of the bus cable adopting and node.More than link layer, do not bind any agreement.
The present invention selects a general physical layer, on this, can move variety of protocol.This physical layer adopts 2 core cables, takes into account communication and power supply, and the MCU interface compatibility with main flow, does not need special interface chip.At utmost to reduce product cost.
DLBus bus is the compound bus that has communication and function of supplying power concurrently, and communication signal loads on supply power voltage, and each node also can be using bus as working power in by bus communication.This bus packet contains following content: communication and confession dielectric, power supply node, ordinary node.
Type of cable, supply power voltage, communication/power supply distance, baud rate, interstitial content and these parameters of maximum supply current condition each other, because the application target of this bus is intelligent illuminating system, we for this particular demands by calculate and test determine following master data:
Type of cable: unshielded twisted pair, can adopt 3 kinds of sectional areas: 0.5,1.0,1.5 square millimeters.
Supply power voltage: DC36V, through long Distance Transmission, allows to be reduced to DC20V.
Baud rate: adopt 3 kinds: 19200,9600,4800.
Communication voltage: peak-to-peak value 4V, through long Distance Transmission, allows to be reduced to peak-to-peak value 1V.
Communication line equiva lent impedance: 200 ohm
Adopt free topology structure.In actual applications, different topological structures is different on the impact of power supply and communication, and a kind of mode supply node is in a side, and other ordinary node concentrates on opposite side, and midfeather is more remote, and therefore supply power voltage decay is the most serious.Another kind of mode star structure has increased distributed capacitance, has reduced line impedance, and therefore communication signal decay is the most serious.
Power supply node is powered to all ordinary nodes, must have very low DC impedance.Meanwhile, for the impedance that ensures communication signal is 200 ohm, this node must have the AC signal impedance of 250 ohm.Quiescent output voltage 36V, signal clamp voltage 32V.
Ordinary node, except possessing bus transceiver, can also obtain working power from bus.For the impedance that ensures communication signal is 200 ohm, this node must have higher AC signal impedance.Taking 64 nodes of maximum lines as example, the AC signal impedance of individual node should be 64K ohm.If the power consumption of node is very little, can obtain operating current with DC constant current power supply circuit.If node needs larger operating current, just must adopt active low pass circuit, adopt big capacity electrolyte capacitor to obtain operating current simultaneously.
The present invention designs for baud rate 9600bps, the ordinary node that operating current is less than 10 milliamperes, adopt DC constant current power supply circuit to obtain operating current: the port being connected with DLBus has adopted rectifier bridge, has improved security row, and user need not distinguish the positive-negative polarity of DLBus.Can provide DC5V, the working power of 10 milliamperes.RXD and TXD can directly be connected the UART of MCU.
The present invention can reduce cable consumption, and user is more convenient to operate, has saved electric consumption on lighting, has reduced investment.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (4)
1. an intelligent illuminating system DLbus bus, is characterized in that, comprising: communication media;
Power supply node, the impedance of described power supply node communication signal is 200 ohm, and described power supply node has the AC signal impedance of 250 ohm, quiescent output voltage 36V, signal clamp voltage 32V;
Ordinary node, described ordinary node is as bus transceiver, and ordinary node also can obtain working power from bus.
2. intelligent illuminating system DLbus bus according to claim 1, is characterized in that, described power supply node is in a side, and described ordinary node concentrates on opposite side.
3. intelligent illuminating system DLbus bus according to claim 1, it is characterized in that, described power supply node comprises one first power supply, the positive pole of described the first power supply is as the positive pole of DLbus bus, and the negative pole of described the first power supply is as the negative pole of DLbus bus, and the 21 resistance and the 22 resistance of the series connection in parallel of the two ends of described the first power supply, one the 23 resistance one end is connected with the negative pole of the first power supply, the other end connects the base stage of one the 21 triode, and the 21 triode emitter be connected between the 21 resistance and the 22 resistance, the 21 triode collector electrode connect the positive pole of the first power supply by one the 24 resistance, the emitter of one the 22 triode connects the positive pole of the first power supply, the base stage of the 22 triode connects one the 21 triode collector, the collector electrode of the 22 triode connects one the 26 resistance, the other end of the 26 resistance connects the negative pole of the first power supply by one the 27 resistance, one the 21 electric capacity one end is connected between the 26 resistance and the 27 resistance, the other end is connected with positive source, the emitter of one the 23 triode connects the positive pole of the first power supply by one the 28 resistance, the base stage of the 23 triode is connected between the 26 resistance and the 27 resistance, the collector electrode of the 23 triode connects the negative pole of power supply by the 34 resistance, one the 33 resistance one end is connected in the positive pole of the first power supply, the other end is connected in the 23 transistor collector, one the 25 resistance one end is connected in the base stage of the 21 triode, the other end is connected in the 23 transistor collector, one the 43 diode one end is connected in the positive pole of the first power supply, and the other end connects the positive pole of a second source, and the negative pole of this second source connects the negative pole of the first power supply.
4. intelligent illuminating system DLbus bus according to claim 1, it is characterized in that, described ordinary node comprises a rectifier bridge, and the negative output terminal ground connection of this rectifier bridge, the 11 electric capacity one end connects the positive output end of a rectifier bridge, the other end connects one the 32 resistance, the other end of the 32 resistance connects the base stage of one the 51 triode, the transmitting tube ground connection of the 51 triode, the collector electrode of the 51 triode connects the output of DLbus bus by one the 33 resistance, one the 41 resistance one end connects the output of DLbus bus, and the 41 resistance other end connects the collector electrode of one the 52 triode, the grounded emitter of the 52 triode, and the base stage of the 52 triode connects the collector of ground the 51 triode, one the 34 resistance one end is connected in the output of DLbus bus, the other end is connected in the 33 resistance, the other end ground connection of the 33 resistance, the base stage of one the 54 triode is connected between the 34 resistance and the 33 resistance, and the emitter of the 54 resistance connects one the 36 resistance, the collector electrode of the 54 triode connects the positive output end of rectifier bridge by one the 43 resistance, the base stage of one the 53 triode is connected in the collector electrode of the 54 triode, and the 53 triode is by one the 37 grounding through resistance, one the 52 diode one end is connected in rectifier bridge one positive output end, the other end of this 52 diode is by one the 38 grounding through resistance, one the 39 resistance one end is connected in the positive output end of rectifier bridge, and the other end of the 39 resistance connects the emitter of one the 55 triode, the base stage of the 55 triode is connected between the 52 diode and the 38 resistance, the collector electrode of the 55 triode is by one the 51 diode ground connection, one the 52 electric capacity one end ground connection, the other end is connected in the output of DLbus bus.
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| CN201310005562.0A CN103917006B (en) | 2013-01-07 | 2013-01-07 | A kind of intelligent illuminating system DLbus buses |
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| CN201310005562.0A CN103917006B (en) | 2013-01-07 | 2013-01-07 | A kind of intelligent illuminating system DLbus buses |
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| CN103917006A true CN103917006A (en) | 2014-07-09 |
| CN103917006B CN103917006B (en) | 2018-02-16 |
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Cited By (2)
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| CN104682999A (en) * | 2015-02-14 | 2015-06-03 | 柳州市新科电脑衡器制造有限责任公司 | Device and method for collinear transmission of two-wire system data/power supply for supplying power for overall intelligent terminal |
| CN105721019A (en) * | 2016-03-29 | 2016-06-29 | 上海晶电新能源有限公司 | Low-cost direct current power carrier communication bus circuit |
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| CN101365275A (en) * | 2008-09-02 | 2009-02-11 | 浙江大学 | Digital address lighting control system and method having remote and local control function |
| WO2013140287A1 (en) * | 2012-03-20 | 2013-09-26 | Koninklijke Philips N.V. | Two-wire flyback dimmer and a method of operation thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104682999A (en) * | 2015-02-14 | 2015-06-03 | 柳州市新科电脑衡器制造有限责任公司 | Device and method for collinear transmission of two-wire system data/power supply for supplying power for overall intelligent terminal |
| CN105721019A (en) * | 2016-03-29 | 2016-06-29 | 上海晶电新能源有限公司 | Low-cost direct current power carrier communication bus circuit |
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| CN103917006B (en) | 2018-02-16 |
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Effective date of registration: 20180125 Address after: Nine groups of nine groups in the nine groups of Ding Chen Village, Chaoyang Town, Lingbi County, Suzhou City Applicant after: Chen Yuzhong Address before: 201802 Shanghai City, Jiading District Nanxiang Town in North Road 1755 Lane 9, room 4239 Applicant before: SHANGHAI JINGGLE ELECTRONIC CO., LTD. |
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