CN1809242B - Digital synthesis method and control system for color light source - Google Patents
Digital synthesis method and control system for color light source Download PDFInfo
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- CN1809242B CN1809242B CN 200510011203 CN200510011203A CN1809242B CN 1809242 B CN1809242 B CN 1809242B CN 200510011203 CN200510011203 CN 200510011203 CN 200510011203 A CN200510011203 A CN 200510011203A CN 1809242 B CN1809242 B CN 1809242B
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Abstract
This invention provides a colorful lamp-house digital synthetic method, which includes two or more different colorful lamp-houses and their own lamp-house driving device, the character is that the lamp-house device translates the AC power frequency power of the colorful lamp-house digital synthetic control information by the digital coding circuit and operates the power adjusting of the colorful lamp-house that is corresponding to the current address to realize the color synthesizing or changing of the color lamp-house. This invention also provides a color lamp-house digital synthetic control system, which realizes the digital synthetic of the colorful lamp-house with the environmental mode.
Description
Technical field
The present invention relates to the synthetic control technology of color of lighting field color light source, more particularly, relate to digital synthesis method and the control system thereof that a kind of light source that light source drive devices such as electric ballast or electronic power supply or electronic transformer are driven carries out color light source.
Background technology
The light source that electric ballast or electronic power supply or electronic transformer drive be modern transformation of electrical energy technology in the widely used technology of lighting field, high intensity discharge (HID) lamps such as fluorescent lamp, electricity-saving lamp (compact fluorescent lamp), golden halogen (MH) lamp are the light sources that adopts electric ballast or electronic power supply to drive; Neon light, cold cathode luminous source then are the light sources that adopts electronic transformer to drive.The color of above-mentioned light source luminescent is to produce by adding the different metal composition in fluorescent material or the gas or adding gas with various, and the color of lamp is fixed.Mostly widely used color light source is single color and monochromatic dynamic effect in public place and the Landscape Lighting at present.Neon light, cold cathode luminous source can adopt redness (R), green (G), blue (B) light pipe combination, add light-mixed layer or utilize the remote visual effect that produces to realize that the color of color light source is synthetic, after being to use power electronic switching that the AC power frequency supply phase shift is triggered, the synthetic method of control color delivers on the electronic transformer of redness (R) or green (G) or blue (B) light pipe, realize the monochromatic light gradual change by dark to strong various combination to reach redness (R), green (G), blue (B) is the colored synthetic effects of RGB three primary colors, and the synthetic method of RGB three primary colors combination can realize the visual effect of random color in theory.Neon light, the colored synthetic method of cold cathode luminous source are the Power Regulation effects that the conducting phase place of 0-180 ° of adjustment AC power frequency supply obtains, what this Power Regulation method transmitted in power supply is the Power Regulation state, can impact to electrical network, produce very strong electromagnetism Harmonic Interference and pollute power utilization environment.China on December 1st, 1999 began to execute EMC to be detected, and purpose realizes that exactly electrical network does not have the electromagnetism Harmonic Interference, creates the power utilization environment of environmental protection.Obvious above-mentioned employing phase shift Power Regulation mode is finished the colored synthetic method of color light source RGB three primary colors and can be stepped down from the stage of history gradually.Therefore, if can utilize AC power frequency supply encoded number information, making what transmit in the power supply is not Power Regulation state but Power Regulation information just can thoroughly solve the pollution that the electromagnetism Harmonic Interference is brought power utilization environment.Directly utilize AC power frequency supply encoded number information to realize the light source of electric ballast or electronic power supply or electronic transformer driving is carried out effective brightness adjustment control, so, this novel color light source digital synthesis method and control system thereof can realize that the colour of color light source RGB three primary colors is synthetic.The solid light source LED of a new generation ripe and come into the market after, use this technology to need not control line or the dedicated control information passage can make color lighting enter family under the condition that does not change original lighting circuit, people can only promptly can select light power and color easily with a three-primary color LED lamp and store lamplight brightness and the color of oneself liking or allow light show various colorful dynamic effects till that time.The illumination of Landscape Lighting, place, theatrical stage illumination or lighting of home use change that this technology all can bring lighting colour and effect particularly the control mode of environmental protection will produce important and far-reaching influence to lighting field.
Summary of the invention
The present invention is directed to the technological deficiency or the deficiency that exist in the prior art, a kind of digital synthesis method of color light source is provided.Adopt this method, the color light source digital encoder can utilize power line to carry the simple alternating current power frequency supply of handling through digital coding from main control end to controlled end, need not control line or dedicated control information passage and can transmit the control information (n is a natural number) that light source colour that main control end in parallel one group or n group to the controlled end electrical network have the electric ballast of RGB three primary colors address decoder or driving such as electronic power supply or electronic transformer synthesizes when finishing power delivery.Adopt this method, utilize AC power frequency supply encoded number information, making what transmit in the power supply no longer is Power Regulation state but Power Regulation information, thoroughly solved the mode of phase shift Power Regulation in the past and produced the electromagnetism Harmonic Interference, started the synthetic purpose of numeral that the control mode of using environmental protection realizes color light source the pollution that power utilization environment brings.
The present invention also provides a kind of numeral of color light source synthetic control system.
Technical conceive of the present invention is, utilize the voltage at AC power frequency supply zero point near zero point, to produce the characteristics that very short extended area at zero point of a time can not produce power surges for zero-sum, use this extended area to form digital code information at zero point, this digital code information and AC power frequency supply are delivered to controlled end simultaneously, that is to say, what carry power supply and be furnished with that the main control end of color light source digital encoder carries on controlled end electrical network is to have passed through the AC power frequency supply that digital coding is handled, in other words, be to have extended area and the AC power frequency supply of digital information thereof at zero point.In parallel one group or n group have electric ballast or the electronic power supply or the electronic transformer decoding of RGB three primary colors address decoder and translate colored synthetic digital information driving light source color synthetic (n is a natural number) on the controlled end electrical network.
Technical solution of the present invention is as follows:
The digital synthesis method of color light source, comprise mutually different two or more color light source and light source drive device separately thereof, it is characterized in that: described light source drive device carries out decipher by digital decoder to the AC power frequency supply that has the synthetic control information of color light source numeral and carries out power adjustment to respective sources, thereby can realize that the synthetic or illusion-colour of the color of color light source changes; The described AC power frequency supply that has the synthetic control information of color light source numeral has the expansion area at zero point, promptly in the main control end of carrying power supply, the digital information of utilizing the color light source digital encoder to produce drives electronic switch to intervening near zero point of AC power frequency supply and zero point, generation can be used as the expansion area at zero point of digital quantity identification, so that digital information and AC power frequency supply are together carried; Described zero point the expansion area exist for binary digital 1 or 0, correspondingly be 0 or 1 and there is not the zero point of expansion area, form the message queue of K+K1 bit sign indicating number thus, i.e. K bit address position and K1 bit data position, K and K1 are natural number; Position in described digital code information formation agreement start bit, parity check bit, stop bits and address, the data bit is the bit definition, an agreement high position is that MSB and low level are the sequential of LSB, red (R), green (G), blue (B) are that the drive unit of RGB three primary colors color light source can adopt addressing coded message technology that arbitrary color light source is wherein carried out brightness adjustment control, need not control line or dedicated control information passage, described digital decoder is the power frequency synchronised clock decoder of agreed address.
Described light source is the combination of light sources of RGB three primary light source or more primary colours for red, green and blueness.
Described light source drive device is electric ballast or electronic power supply or electronic transformer; Described light source is gaseous discharge lamp or solid light source.
Described gaseous discharge lamp is lampion such as Metal halogen lamp, neon light or the cold cathode lamp in fluorescent lamp, electricity-saving lamp, high intensity discharge (HID) lamp, and described solid light source is the LED lamp.
Described light source drive device not only includes digital decoder, also includes D/A change-over circuit and/or V/F change-over circuit.
Described light source drive device not only includes digital decoder, also includes drive control module and/or single-chip microcomputer intelligence control circuit.
The described AC power frequency supply that has the synthetic control information of color light source numeral has the expansion area at zero point, promptly in the main control end of carrying power supply, the digital information of utilizing encoder to produce drives electronic switch to intervening near zero point of AC power frequency supply and zero point, generation has the expansion area at zero point of high speed digital information stream, so that synthetic control information and the AC power frequency supply of color light source numeral together carried.
The numeral of color light source is synthesized control system, it is characterized in that: comprise being arranged at the color light source digital encoder of carrying the power supply main control end and the light source drive device that has digital decoder that is arranged at controlled end, this color light source digital encoder utilizes the digital information of its generation to drive electronic switch to intervening near zero point of AC power frequency supply and zero point, generation can be used as the expansion area at zero point of digital quantity identification, so that digital information and AC power frequency supply are together carried; Described digital decoder is the power frequency synchronised clock decoder of agreed address, this decoder translates the digital information that zero point, the expansion area was formed and carry out control command by corresponding power electronic element the power of light source is adjusted, thereby can realize the synthetic or illusion-colour variation of color of two primary colours or RGB three primary colors or more primary light source; Described zero point the expansion area exist for binary digital 1 or 0, correspondingly be 0 or 1 and there is not the zero point of expansion area, form the message queue of K+K1 bit sign indicating number thus, i.e. K bit address position and K1 bit data position, K and K1 are natural number; Position in described digital code information formation agreement start bit, parity check bit, stop bits and address, the data bit is the bit definition, an agreement high position is that MSB and low level are the sequential of LSB, red (R), green (G), blue (B) are that the drive unit of RGB three primary colors color light source can adopt addressing coded message technology that arbitrary color light source is wherein carried out brightness adjustment control, need not control line or dedicated control information passage.
The technology of the present invention effect is as follows:
Because the digital synthesis method of color light source of the present invention, utilization has the AC power frequency supply of the synthetic control information of color light source numeral, by be arranged on digital decoder in the light source drive device to the color light source in this AC power frequency supply numeral synthetic control information carry out decipher and carry out power adjustment RGB three primary light source random colour, thereby can change the synthetic purpose of color that the combination of RGB three primary light source random colour luminous intensity promptly reaches the RGB three primary light source by demand.Obviously, in the synthetic process of whole RGB three primary light source color, need not control line or dedicated control information passage and can when finishing power delivery, transmit the synthetic control information of color light source numeral, reached convenient, fast, practical, easy promotion and implementation and effective technique effect.The AC power frequency supply that has the digital dimming control information about realization can be with reference to the inventor's Chinese patent application formerly, and application number is 200410009967.2 and 200410098903.4.Utilize AC power frequency supply encoded number information, making what transmit in the power supply is not Power Regulation state but Power Regulation information just can thoroughly solve the pollution that the electromagnetism Harmonic Interference is brought power utilization environment.
Directly utilize AC power frequency supply encoded number information to realize the light source of electric ballast or electronic power supply or electronic transformer driving is carried out effective brightness adjustment control, so, this novel color light source digital synthesis method and control system thereof can realize that the colour of color light source RGB three primary colors is synthetic.The solid light source LED of a new generation ripe and come into the market after, use this technology to need not control line or the dedicated control information passage can make color lighting enter family under the condition that does not change original lighting circuit, people can only promptly can select light power and color easily with a three-primary color LED lamp and store lamplight brightness and the color of oneself liking or allow light show various colorful dynamic effects till that time.The illumination of Landscape Lighting, place, theatrical stage illumination or lighting of home use change that this technology all can bring lighting colour and effect particularly the control mode of environmental protection will produce important and far-reaching influence to lighting field.
Because light source drive device has adopted ripe power-saving technology such as electric ballast or electronic power supply or electronic transformer, the digital synthesis method of color light source and control system thereof have been started the control mode of using environmental protection and have been realized that the numeral of color light source is synthetic, thus make the present invention environmental protection and energy-conservation aspect effect be not fully exerted.
Because light source is gaseous discharge lamp or solid light source; Described gaseous discharge lamp is lampion such as Metal halogen lamp, neon light or the cold cathode lamp in fluorescent lamp, electricity-saving lamp, high intensity discharge (HID) lamp, and described solid light source is the LED lamp; This has just opened up purposes very widely for the present invention.
Concrete purposes briefly introduces as follows:
Be widely used in the color and the dynamic synthetic effect of the electric ballast of the modern transformation of electrical energy art designs of use in the public place Landscape Lighting or the RGB three primary light source that electronic power supply or electronic transformer etc. drive.
Be widely used in the color and the dynamic synthetic effect of the electric ballast of the modern transformation of electrical energy art designs of use in the floodlighting such as building, view or the RGB three primary light source that electronic power supply or electronic transformer etc. drive.
Be widely used in illumination such as theatrical stage and use the color of the electric ballast of modern transformation of electrical energy art designs or the RGB three primary light source that electronic power supply or electronic transformer etc. drive and dynamic synthetic effect.
Be widely used in the color of RGB three primary light source of drivings such as electronic transformer of the modern transformation of electrical energy art designs of use such as view, advertisement and dynamically synthetic to reach the purpose of setting off effect by contrast.
Because the synthetic control system of color light source numeral of the present invention, adopted the method for above-mentioned digital dimming, correspondingly be provided with color light source digital encoder and the light source drive device that has digital decoder, not only produced the AC power frequency supply that has the synthetic control information of color light source numeral, and the digital information that zero point, the expansion area was formed is translated and carries out control command by corresponding power electronic element the random colour power of RGB three primary light source is adjusted by decoder, change light source color and dynamically synthetic purpose thereby reach, need not control line or dedicated control information passage and can when finishing power delivery, transmit the synthetic control information of color light source numeral by demand.
Description of drawings
Fig. 1: color light source digital encoder circuit theory schematic diagram.
Fig. 2: gaseous discharge lamp address decoding electric ballast scheme one circuit theory schematic diagram.
Fig. 3: gaseous discharge lamp address decoding electric ballast scheme two circuit theory schematic diagrames.
Fig. 4: RGB three primary colors solid light source decoding electronic power circuitry principle schematic.
Fig. 5: the numeral of one group of RGB three primary colors color light source is synthesized the control system principle schematic.
Fig. 6: the synthetic control system principle schematic of numeral of organizing RGB three primary colors color light source more.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
As shown in Figure 1, the present invention uses the color light source digital encoder to have the AC power frequency supply that addresses coded message to one or more groups RGB three primary colors gaseous discharge lamp address decoding electric ballast conveying, need not special-purpose control line or dedicated control information passage.The color light source digital encoder is provided with power electronic switching, this power electronic switching according to the synthetic requirement that reaches dynamic instruction of color light source in the program storage, has the AC power frequency supply that addresses coded message through the driving of light isolated drive circuit to controlled end conveying by the single-chip microcomputer intelligence control circuit.The zero point of identification circuit identification at zero point AC power is as expansion area time reference at zero point.Power circuit provides color light source digital encoder circuit power.There is the Based Intelligent Control logic software that assembler language is formed in the single chip microcomputer intelligence control circuit program storage.The interference that the light isolated drive circuit adopts light lotus root isolation drive effectively to produce between buffer circuit.The color light source digital encoder can also design the input state option interface to be convenient for changing storage color and dynamic effect information.
As shown in Figure 2, digital decoder and D/A D/A converting circuit and/or the V/F voltage-frequency change-over circuit that uses for the present invention in the dotted line block diagram.Digital decoder is by discerning generation time benchmark and power frequency synchronised clock zero point, and shift register is stored the light modulation digital information of this address.The D/A D/A converting circuit is converted to the light modulation digital information of storing in the shift register analog quantity that drives the DC/AC inverter circuit and/or drives the DC/AC inverter circuit by V/F voltage-frequency change-over circuit and makes gaseous discharge lamp to reach the light modulation purpose according to the requirement change brightness of digital dimming information.Output network constitutes resonance, feedback, sampling, high-voltage triggering circuit by elements such as capacitance-resistances.Protective circuit effectively abnormality such as guard lamp open circuit or short circuit can not damaged electric ballast.Wherein each circuit function effect is as follows:
The filter that electromagnetic interference (EMI) filtering---inductance and electric capacity are formed can effectively suppress EMI;
Full-wave rectifying circuit---exchange and convert direct current to;
Power factor correction---can obtain the low current harmonic distortion, realize High Power Factor;
Vibration control---the generation and the control of frequency of oscillation;
The DC/AC inversion---dc voltage conversion is become high frequency voltage.
V/F change-over circuit---voltage frequency conversioning circuit.
As shown in Figure 3, the single chip microcomputer intelligence control circuit that uses for the present invention in the dotted line block diagram.The digit translation part is made up of identification at zero point, shift LD, address and assembly language softwares such as data processing, clock.Drive control part can be made up of the assembly language software of output modes such as digital-to-analogue conversion or frequency, drives the DC/AC inverter circuit and makes gaseous discharge lamp to reach the light modulation purpose according to the requirement change brightness of digital dimming information.Output network constitutes resonance, feedback, sampling, high-voltage triggering circuit by elements such as capacitance-resistances.Protective circuit effectively abnormality such as guard lamp open circuit or short circuit can not damaged electric ballast.
Digit translation---form by identification at zero point, shift LD, address and software logics such as data processing, clock;
Drive controlling---drive control part can be made up of the assembly language software of output modes such as digital-to-analogue conversion or frequency;
Single-chip microcomputer intelligence control circuit---single chip microcomputer intelligence control circuit, program storage has the logic software that assembler language is formed.
As shown in Figure 4, the single chip microcomputer intelligence control circuit that uses for the present invention in the dotted line block diagram.The digit translation part is made up of identification at zero point, shift LD, address and assembly language softwares such as data processing, clock.Drive control part can be made up of the assembly language software of digital-to-analogue conversion or duty ratio output mode, and the driving power switching circuit makes solid light source such as RGB three-primary color LED to change the purpose that brightness reach light modulation or realize dynamic light efficiency according to the requirement of colored composite number tone of Chinese characters optical information.Output network constitutes sample circuit by elements such as capacitance-resistances.Protective circuit can effectively protect abnormalities such as solid light source such as RGB three-primary color LED open circuit or short circuit can not damage electronic power supply.RGB three-primary color LED solid light source can also be other RGB three primary colors solid light sources among the figure.
As shown in Figure 5, the synthetic control system of the color light source numeral RGB three primary colors gaseous discharge lamp that comprises AC power frequency supply and a conveying circuit and a color light source digital encoder by the system that transmits digital information and driven by one group of RGB three primary colors address decoding electric ballast on the same power supply of its control is formed.Need not special-purpose control line or dedicated control information passage, the color light source digital encoder can be delivered to the power frequency AC that has color light source numeral composite signal one group of RGB three primary colors address decoding electric ballast of controlled end.The digital dimming information of this address of address decoding electric ballast decipher is also carried out the light modulation instruction and is adjusted the brightness of control gaseous discharge lamp to reach the synthetic purpose of color light source numeral.
As shown in Figure 6, the synthetic control system of color light source numeral a plurality of RGB three primary colors gaseous discharge lamps of comprising AC power frequency supply and a conveying circuit and a color light source digital encoder by the system that transmits digital information and driven by the many groups RGB three primary colors address decoding electric ballast on the same power supply of its control are formed.Need not special-purpose control line or dedicated control information passage, the color light source digital encoder can be delivered to the power frequency AC that has color light source numeral composite signal many groups RGB three primary colors address decoding electric ballast of controlled end.The digital dimming information of this address of address decoding electric ballast decipher is also carried out the light modulation instruction and is adjusted the brightness of control gaseous discharge lamp to reach the synthetic purpose of color light source numeral.
Should be pointed out that the above embodiment can make those skilled in the art more fully understand the present invention, but do not limit the present invention in any way.Therefore, although this specification has been described in detail the present invention with reference to drawings and embodiments,, it will be appreciated by those skilled in the art that still and can make amendment or be equal to replacement the present invention; And all do not break away from the technical scheme and the improvement thereof of spirit of the present invention and technical spirit, and it all should be encompassed in the middle of the protection range of patent of the present invention.
Claims (7)
1. the digital synthesis method of color light source, comprise mutually different two or more color light source and light source drive device separately thereof, it is characterized in that: described light source drive device carries out decipher by digital decoder to the AC power frequency supply that has the synthetic control information of color light source numeral and carries out the power adjustment of this address corresponding light source, thereby can realize the synthetic or illusion-colour variation of color of color light source; The described AC power frequency supply that has the synthetic control information of color light source numeral has the expansion area at zero point, promptly in the main control end of carrying power supply, the digital information of utilizing the color light source digital encoder to produce drives electronic switch to intervening near zero point of AC power frequency supply and zero point, generation can be used as the expansion area at zero point of digital quantity identification, so that digital information and AC power frequency supply are together carried; Described zero point the expansion area exist for binary digital 1 or 0, correspondingly be 0 or 1 and there is not the zero point of expansion area, form the message queue of K+K1 bit sign indicating number thus, i.e. K bit address position and K1 bit data position, K and K1 are natural number; Position in described digital code information formation agreement start bit, parity check bit, stop bits and address, the data bit is the bit definition, an agreement high position is that MSB and low level are the sequential of LSB, red (R), green (G), blue (B) are that the drive unit of RGB three primary colors color light source can adopt addressing coded message technology that arbitrary color light source is wherein carried out brightness adjustment control, need not control line or dedicated control information passage, described digital decoder is the power frequency synchronised clock decoder of agreed address.
2. the digital synthesis method of color light source according to claim 1 is characterized in that: described light source is the combination of light sources of RGB three primary light source or more primary colours for red, green and blueness.
3. the digital synthesis method of color light source according to claim 1, it is characterized in that: described light source drive device is electric ballast or electronic power supply or electronic transformer; Described light source is gaseous discharge lamp or solid light source.
4. the digital synthesis method of color light source according to claim 3, it is characterized in that: described gaseous discharge lamp is lampion, neon light or the cold cathode lamp in fluorescent lamp, electricity-saving lamp, high intensity discharge (HID) lamp, and described solid light source is the LED lamp.
5. the digital synthesis method of color light source according to claim 1, it is characterized in that: described light source drive device not only includes digital decoder, also includes D/A change-over circuit and/or V/F change-over circuit.
6. the digital synthesis method of color light source according to claim 1, it is characterized in that: described light source drive device not only includes digital decoder, also includes drive control module and/or single-chip microcomputer intelligence control circuit.
7. the numeral of color light source is synthesized control system, it is characterized in that: comprise being arranged at the color light source digital encoder of carrying the power supply main control end and the light source drive device that has digital decoder that is arranged at controlled end, this color light source digital encoder utilizes the digital information of its generation to drive electronic switch to intervening near zero point of AC power frequency supply and zero point, generation can be used as the expansion area at zero point of digital quantity identification, so that digital information and AC power frequency supply are together carried; Described digital decoder is the power frequency synchronised clock decoder of agreed address, this decoder translates the digital information that zero point, the expansion area was formed and carry out control command by corresponding power electronic element the power of the color light source of this address correspondence is adjusted, thereby can realize the synthetic or illusion-colour variation of color of two primary colours or RGB three primary colors or more primary light source; Described zero point the expansion area exist for binary digital 1 or 0, correspondingly be 0 or 1 and there is not the zero point of expansion area, form the message queue of K+K1 bit sign indicating number thus, i.e. K bit address position and K1 bit data position, K and K1 are natural number; Position in described digital code information formation agreement start bit, parity check bit, stop bits and address, the data bit is the bit definition, an agreement high position is that MSB and low level are the sequential of LSB, red (R), green (G), blue (B) are that the drive unit of RGB three primary colors color light source can adopt addressing coded message technology that arbitrary color light source is wherein carried out brightness adjustment control, need not control line or dedicated control information passage.
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| CN 200510011203 CN1809242B (en) | 2005-01-19 | 2005-01-19 | Digital synthesis method and control system for color light source |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4746809A (en) * | 1986-10-30 | 1988-05-24 | Pittway Corporation | AC power line signaling system |
| EP0494310A1 (en) * | 1990-07-18 | 1992-07-15 | Toto Ltd. | Variable color lamp |
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2005
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4746809A (en) * | 1986-10-30 | 1988-05-24 | Pittway Corporation | AC power line signaling system |
| EP0494310A1 (en) * | 1990-07-18 | 1992-07-15 | Toto Ltd. | Variable color lamp |
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