CN102497705A - Lamp energy conservation control method and energy-conservation circuit thereof - Google Patents
Lamp energy conservation control method and energy-conservation circuit thereof Download PDFInfo
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- CN102497705A CN102497705A CN2011104208880A CN201110420888A CN102497705A CN 102497705 A CN102497705 A CN 102497705A CN 2011104208880 A CN2011104208880 A CN 2011104208880A CN 201110420888 A CN201110420888 A CN 201110420888A CN 102497705 A CN102497705 A CN 102497705A
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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
Abstract
The invention relates to a lamp energy conservation control method and an energy-conservation circuit thereof. The lamp energy conservation control method includes the following steps: 1) inputting variable external voltage; 2) converting the external voltages acquired in the step 1) into constant-frequency signals F1; 3) converting the constant-frequency signals into circuit load frequency signals F2; and 4) adjusting load power P according to the circuit load frequency signal F2. By the aid of the lamp energy conservation control method and the energy-conservation circuit thereof, lamps are controllable in working process, high in intelligent degree, evident in energy-conservation effect and long in service lives.
Description
Technical field
The invention belongs to electricity and control field, relate to a kind of energy-saving circuit, relate in particular to a kind of energy-saving control method and energy-saving circuit thereof of lighting.
Background technology
In practical application; To various case in the road lighting; For example after midnight on the road pedestrian and vehicle flowrate reduce in the time of need not carrying out the whole step illumination or the weather condition of low visibility such as sleet dense fog occur; All need need adjust accordingly road lighting, carry out additional illumination or suppress illumination, this control methods illumination light fixture even circuit all have very high requirement.Seen on the market various lightings all are to implement unified brightness at present, can not realize regulating as required, and intelligent degree is low, and uncontrollability is strong, can not realize purpose of energy saving.Under unified brightness, make useful life of lighting can not reach the time limit of regulation and scrap, the waste rate is high.
Summary of the invention
In order to solve the above-mentioned technical problem that exists in the background technology, the invention provides that a kind of course of work is controlled, degree of intelligence is high, energy-saving effect is obvious and the lighting energy-saving control method and the energy-saving circuit thereof of long service life.
Technical solution of the present invention is: the invention provides a kind of lighting energy-saving control method, its special character is: said lighting energy-saving control method may further comprise the steps:
1) external voltage of input variation;
2) the resulting external voltage of step 1) is converted into fixed-frequency signal F1;
3) fixed-frequency signal F1 is converted into circuit load frequency signal F2;
4) according to circuit load frequency signal F2 regulating load power P.
Last step 2) concrete implementation is:
2.1) converting the external voltage that changes into the internal voltage references amount, said internal voltage references amount is a stationary value;
2.2) produce the sawtooth waveforms of certain frequency by load circuit;
2.3) with step 2.2) sawtooth waveforms and the step 2.1 that are produced) resulting internal voltage references amount compares; If step 2.2) sawtooth waveforms that produced is higher than step 2.1) during resulting internal voltage references amount, output HIGH voltage amount then; If step 2.2) sawtooth waveforms that produced is lower than step 2.1) during resulting internal voltage references amount, output LOW voltage amount then;
2.4) by step 2.3) and in the high voltage amount that produced and low-voltage amount alternate produce fixed-frequency signal F1.
Above-mentioned steps 3) concrete implementation is:
3.1) fixed-frequency signal F1 is transformed sampled voltage signal U through integrating circuit;
3.2) with step 3.1) resulting sampled voltage signal U is converted into circuit load frequency signal F2.
Above-mentioned steps 3.1) concrete implementation is:
3.1.1) obtain the duty ratio D of fixed-frequency signal;
3.1.2) with step 3.1.1) the duty ratio D of resulting fixed-frequency signal is through integrating circuit calculating sampling voltage signal U; Said integrating circuit comprises formula U=5 * (D
0.5).
Above-mentioned steps 3.2) concrete implementation is: with step 3.1) resulting sampled voltage signal U calculates and is output as the circuit load frequency signal F2 of certain frequency waveform through voltage controlled oscillator; Said account form is:
F2＝k×U+F1
Wherein:
K is voltage-controlled coefficient;
U is a step 3.1) resulting sampled voltage signal;
F1 is the minimum output frequency that voltage controlled oscillator and peripheral circuit are provided with.
Above-mentioned steps 4) concrete implementation is:
Circuit load frequency signal F2 is through strategic point stream inductance dividing potential drop regulating load power P; Its computing formula is:
P＝[RL×V
BUS/(RL+2π×F2×L)]
2/RL
Wherein:
V
BUSIt is the dc bus voltage that load circuit provides;
RL is the resistance of load;
L is the inductance value of choke induction;
F2 is the circuit load frequency signal.
A kind of energy-saving circuit based on the lighting energy-saving control method, its special character is: said energy-saving circuit comprises voltage input end, light adjusting circuit signal input unit, signal conversion unit, control signal output unit and bearing power regulon; Said voltage input end inserts the bearing power regulon through light adjusting circuit signal input unit, signal conversion unit and control signal output unit successively.
Above-mentioned voltage input end comprises that the voltage range of input is the outside dc voltage input end of 0-10V and by frequency voltage signal input that light adjusting circuit produced; Said light adjusting circuit signal input unit comprises voltage comparator; Said external voltage input and frequency voltage signal input insert voltage comparator respectively.
Above-mentioned signal conversion unit comprises the first integral circuit and first microcontroller; Said light adjusting circuit signal input unit inserts first microcontroller through the first integral circuit; Said first integral circuit comprises first electric capacity and first resistance; One end ground connection of said first electric capacity, the other end and common first microcontroller that inserts after first resistance and light adjusting circuit signal input unit are parallelly connected; Said first microcontroller is the PIC16 Series chip; The preferred PIC16F886 single-chip microcomputer of said first microcontroller.
Above-mentioned control signal output unit comprises the second integral circuit and second microcontroller; Said second microcontroller comprises voltage controlled oscillator; Said signal conversion unit inserts second microcontroller through the second integral circuit; Said second integral circuit comprises second electric capacity and second resistance; Said signal conversion unit links to each other with second microcontroller through second resistance; One end ground connection of said second electric capacity, the other end with insert second microcontroller after second resistance is parallelly connected; Said second microcontroller is the MC14046B chip; Said bearing power regulon comprises choke induction; Said voltage controlled oscillator inserts choke induction.
Advantage of the present invention is:
The control of microcontroller internal processes the invention provides a kind of lighting energy-saving control method and energy-saving circuit thereof, owing to can make the power of lamp in 50%～100% rated power scope, change.The digital dimming function of 0～10V can realize the illumination control in flat-out 50%～100% scope of lamp.On the one hand, lamp can change according to external circumstances through external day device such as optical inductor, realizes light modulation automatically, regulates illumination.On the other hand, also can networking, realize unified control, by central integrated control system, allotment integral illumination or adjust the parameter of every lamp.This dimmer design that can freely dispose makes in road lighting is used, and in the illumination, can realize low illuminance control especially in the second half of the night, has both satisfied the actual illumination demand, has practiced thrift electric energy again.Be suitable for the illumination in places such as supermarket, market, parking lot, road.This specification electronic ballast system is embedded in software, has improved efficient, reliability, has reduced volume, has practiced thrift cost.The light modulation of gamut analog or digital.Obvious energy conservation.External sensing assembling, every lamp can be realized light modulation automatically.For the intellectuality of road lighting control provides possibility.Also reference is provided for intelligent building.
Description of drawings
Fig. 1 is that the external voltage amount U that the present invention adopts arrives the circuit diagram of internal frequency amount F conversion;
Fig. 2 is adjustment load power output signaling conversion circuit and the microcontroller receiving circuit figure that the present invention adopts;
Fig. 3 is the second integral circuit diagram that the present invention adopts.
Embodiment
The invention provides a kind of lighting energy-saving control method, this method may further comprise the steps:
1) external voltage of input variation, the input range of this voltage is 0-10V;
2) the resulting external voltage of step 1) is converted into fixed-frequency signal F1;
2.1) converting the external voltage that changes into the internal voltage references amount, the internal voltage references amount is a stationary value; When external input voltage is constant, the internal voltage references amount that converts to is only constant;
2.2) produce the sawtooth waveforms of certain frequency by light adjusting circuit;
2.3) with step 2.2) sawtooth waveforms and the step 2.1 that are produced) resulting internal voltage references amount compares; If step 2.2) sawtooth waveforms that produced is higher than step 2.1) during resulting internal voltage references amount, output HIGH voltage amount then; If step 2.2) sawtooth waveforms that produced is lower than step 2.1) during resulting internal voltage references amount, output LOW voltage amount then;
2.4) by step 2.3) and in the high voltage amount that produced and low-voltage amount alternate produce fixed-frequency signal F1.
3) fixed-frequency signal F1 is converted into circuit load frequency signal F2;
3.1) fixed-frequency signal F1 is transformed sampled voltage signal U through integrating circuit;
3.1.1) obtain the duty ratio D of fixed-frequency signal;
3.1.2) with step 3.1.1) the duty ratio D of resulting fixed-frequency signal is through integrating circuit calculating sampling voltage signal U; Integrating circuit comprises formula U=5 * (D
0.5).
3.2) with step 3.1) resulting sampled voltage signal U is converted into circuit load frequency signal F2.
With step 3.1) resulting sampled voltage signal U calculates and is output as the circuit load frequency signal F2 of certain frequency waveform through voltage controlled oscillator; Said account form is:
F2＝k×U+F1
Wherein:
K is voltage-controlled coefficient;
U is a step 3.1) resulting sampled voltage signal;
F1 is the minimum output frequency that voltage controlled oscillator and peripheral circuit are provided with.
4) according to circuit load frequency signal F2 regulating load power P.
Circuit load frequency signal F2 is through strategic point stream inductance dividing potential drop regulating load power P; Its computing formula is:
P＝[RL×V
BUS/(RL+2π×F2×L)]
2/RL
Wherein:
V
BUSIt is the dc bus voltage that load circuit provides;
RL is the resistance of load;
L is the inductance value of choke induction;
F2 is the circuit load frequency signal.
The present invention is when proposing above-mentioned power-economizing method; A kind of energy-saving circuit based on the lighting energy-saving control method also is provided, and energy-saving circuit comprises voltage input end, light adjusting circuit signal input unit, signal conversion unit, control signal output unit and bearing power regulon on this; Voltage input end inserts the bearing power regulon through light adjusting circuit signal input unit, signal conversion unit and control signal output unit successively.
Voltage input end comprises that the voltage range of input is the outside dc voltage input end of 0-10V and by frequency voltage signal input that light adjusting circuit produced; The light adjusting circuit signal input unit comprises voltage comparator; External voltage input and frequency voltage signal input insert voltage comparator respectively.
Signal conversion unit comprises the first integral circuit and first microcontroller; The light adjusting circuit signal input unit inserts first microcontroller through the first integral circuit; The first integral circuit comprises first electric capacity and first resistance; One end ground connection of first electric capacity, the other end and common first microcontroller that inserts after first resistance and light adjusting circuit signal input unit are parallelly connected; Said first microcontroller is the PIC16 Series chip; The preferred PIC16F886 single-chip microcomputer of first microcontroller.
The control signal output unit comprises the second integral circuit and second microcontroller; Said second microcontroller comprises that the output signal is the voltage controlled oscillator of oscillator signal; Signal conversion unit inserts second microcontroller through the second integral circuit and inserts; The second integral circuit comprises second electric capacity and second resistance; Signal conversion unit links to each other with second microcontroller through second resistance; One end ground connection of second electric capacity, the other end with insert second microcontroller after second resistance is parallelly connected; Second microcontroller is the MC14046B chip; The bearing power regulon comprises choke induction; Output frequency, promptly the loaded work piece frequency inserts choke induction.
The present invention can realize FR 0～10V digital dimming in flat-out 50%～100% scope of illumination.Further improved energy-saving effect.Be used to realize the light adjusting circuit of energy-saving effect, it mainly is to discharge and recharge the cycle through changing RC, after sampling through microprocessor controller, and the power output of adjustment lamp.
The present invention adopts following specific embodiment that the present invention is carried out detailed explanation:
With reference to circuit diagram 1, be the circuit diagram that the present invention is converted into resulting external voltage the fixed-frequency signal; Its circuit working process can be described as:
1, after circuit powered on, the voltage at Bin-end place was owing to being made up of resistance series connection dividing potential drop, so the voltage constant of locating.The voltage at Bin+ end place is made up of R3, R12, R7, C5, the voltage at sampling R7 end place.Because the charging process of electric capacity, the voltage that gather at the Bin+ place is a slow uphill process.
2, at the voltage at Bin+ place during also not greater than the voltage at Bin-place, after voltage comparator U2 processing, BOUT place output low level.Q2, Q3 triode are in off state at this moment, and the voltage at Ain+ place is unaffected.When the voltage at Bin+ place rose to the voltage greater than the Bin-place, BOUT exported high level.Q2 conducting this moment, and then make the Q3 conducting, after the Q3 conducting, the voltage at A+ place is pulled down to ground.Meanwhile, the voltage at B+ place is also dragged down.
3, when the voltage at B+ place is pulled down to the voltage less than the B-place, after voltage comparator U2 handles, the BOUT output LOW voltage, this moment, Q2, Q3 turn-offed, and the voltage at Bin+ place gos up, the voltage rise at Ain+ place.
4, the output B of comparator B
OUT, the change in voltage at Bin+ place repeats above-mentioned 2,3 processes.
5, the voltage at Ain-place is by external dimmer voltage control.
6, the change in voltage at the voltage at Ain+ place and Bin+ place is almost synchronous, changes the same Bin+ of waveform.When the voltage at Ain+ place during greater than Ain-, AOUT exports high level, and light coupling device turn-offs; When Ain+ receives the influence of comparator B, voltage descends, during less than A-place voltage, and the AOUT output low level, light coupling device is open-minded.
7, light coupling device time of opening and turn-offing, the cycle control signal that constitutes light adjusting circuit feeds back to the dim signal of microcontroller.After the sampled signal processing, by microprocessor identification, processing, control load variable power.
By external voltage amount U be to the operation principle of internal frequency amount F: from
OutsideVoltage U is to the transformation of internal frequency amount F.With the voltage signal amount of outside, conversion can be the employed frequency signal amount of internal circuit.Outside input 0～10V voltage; The frequency voltage signal that circuit produces; Voltage comparator compares; Output frequency signal.
Convert inner employed frequency signal amount F2 into by external voltage and (be the output signal of external voltage converting unit here; Be not the final load frequency signal in when work, be called F2 for the serrated signal frequency of discrimination circuit self is provided with output signal frequency in the drawings at that time) between the available following table of relation represent:
Light adjusting circuit and little following by the controlling models between the system device:
External 0～10V digital voltage module; Light adjusting circuit; The signal input; Signaling conversion circuit; Microcontroller; Control signal output.The periodic signal of light adjusting circuit, be transferred to signaling conversion circuit after, it becomes voltage signal, at last by after the microcontroller sampling processing, adjustment load power output signaling conversion circuit and microcontroller receiving circuit such as Fig. 2:
The output signal of light adjusting circuit is added to capacitor C 47 places.Supply power voltage is through resistance R 52, C47 ground connection.Because the signal at light adjusting circuit place, when opening, electric current is that 14 pins from microcontroller flow to light adjusting circuit; When turn-offing, electric current is provided by power supply, flows to ground through capacitor C 47.
Through the integrating circuit of forming by R52 and C47, can obtain an effective value voltage at 14 pin of PIC16F886 single-chip microcomputer.The effective value computing formula of this voltage is following:
U=5 * (D
0.5) ... ... formula 1
Here, D is the duty ratio of fixed-frequency signal F2 signal.
The output signal of light adjusting circuit is the signal that one-period property is opened, turn-offed, and this signal causes current direction generating period property in the capacitor C 47.Finally 14 pin at microcontroller obtain a metastable voltage effective value signal.This signal is output after microcontroller is handled, and the power of regulating load changes.The cycle of this periodic signal is by the voltage decision of outside output.
Referring to Fig. 3, in the frequency sweep firing circuit, the MC14046B that uses is trivial phase ring core sheet.Use its voltage controlled oscillator function in this circuit; Realization is from the F (fixed frequency signal) of PIC16 series monolithic output; Behind the integrating circuit through resistance R 68 and capacitor C 12 compositions; The F ' (F in the service frequency signal step 3)) that is used for circuit working by MC14046B output wherein, 13 pin of the PIC16F886 single-chip microcomputer of in this circuit, using are exported the pwm signal that amplitude is 5V.Its frequency is fixed, but duty ratio is by maximum 1 linear change to 0 in ignition process.Finally export a frequency by the change frequency of 355KHZ to 61KHZ by 4 pin of MC14046B chip.In this frequency range, lead the resonance point of looking for circuit, to reach the purpose that an only ignition voltage is provided.
Its operation principle can be reduced to: PIC16F series monolithic output pwm signal (fixed frequency signal); The RC integrating circuit changes into voltage signal (sampled voltage amount) with pwm signal; Voltage controlled oscillator output certain frequency waveform in the MC14046B.
The control voltage that pwm signal converts to is imported; Voltage controlled oscillator; Output frequency signal F2, oscillator source frequency signal f1;
Its linear relation is: F2=k * U+F1.... ... ... ... formula 2
K is voltage-controlled coefficient, and F1 is the minimum output frequency (in the chip data introduction being arranged) that MC14046B and peripheral circuit are provided with.
In this circuit, it by the pwm signal of chip to the linear relation of output services frequency signal is:
F2=45 * V * (D
0.5)+61 final result is KHZ ... ... ... formula 3
Wherein 45 is voltage-controlled coefficient.V is the amplitude of PIC16F family chip output pwm signal, and D is the duty ratio of pwm signal (drawing corresponding value after through sequential operation by PIC control chip inside) for this reason.61KHZ is the minimum output frequency that peripheral circuit and MC14046B chip are formed in this circuit.
The control of PIC16F series monolithic output pwm signal duty ratio:
In the PIC16F series monolithic, all be provided with special pin position and be used for output pwm signal.And single-chip microcomputer inside is provided with A/D (mould, number conversion) conversion pin, has reached 10 resolution.For the level of digital circuit 5V, its minimum differntial pressure that can discern is: 5/ (2
10)=0.004828125 almost can be realized by analog quantity fully behind digital quantity, and reduction is without distortion gone back.
In this circuit, the PIC single-chip microcomputer arrives the duty ratio of regulating output pwm signal with the voltage signal that 14 pin sample, and is after carrying out corresponding calculated through the program of inside circuit, to carry out control and treatment.
In this circuit, the computing formula of its control pwm signal duty ratio D is:
D=[(2+0.22V)/5]
2... ... ... ... formula 4
V is the sampled voltage signal of PIC16F886 single-chip microcomputer 14 pin in the circuit in the formula.It is that frequency signal by light adjusting circuit plate output is through being undertaken drawing behind the integration by R52 and C47.The detailed calculated process is seen " formula 1 "
The regulative mode of the last regulating load power of operating frequency is:
Its interactively formula is: P (load)=U2^2/RL ... ... ... formula 5
Wherein U2=U1 * RL/ (RL+2 π * F2 * L) ... ... ... ... formula 6
RL is the resistance of load, and L is the inductance value of choke induction, and U1 is the dc bus voltage that load circuit provides.
Whole by light adjusting circuit, handle to the PIC16F series monolithic external voltage signal conversion back, convert result into the loaded work piece frequency again, end reaction is the process of bearing power.The conversion of completion external voltage signal; The RC integrating circuit; Output pwm signal after the PIC16 series monolithic signal processing; The RC integrating circuit; Frequency control signal output; Regulating load voltage changes power.
Claims (10)
1. lighting energy-saving control method, it is characterized in that: said lighting energy-saving control method may further comprise the steps:
1) external voltage of input variation;
2) the resulting external voltage of step 1) is converted into fixed-frequency signal F1;
3) fixed-frequency signal F1 is converted into circuit load frequency signal F2;
4) according to circuit load frequency signal F2 regulating load power P.
2. lighting energy-saving control method according to claim 1 is characterized in that: concrete implementation said step 2) is:
2.1) converting the external voltage that changes into the internal voltage references amount, said internal voltage references amount is a stationary value;
2.2) produce the sawtooth waveforms of certain frequency by load circuit;
2.3) with step 2.2) sawtooth waveforms and the step 2.1 that are produced) resulting internal voltage references amount compares; If step 2.2) sawtooth waveforms that produced is higher than step 2.1) during resulting internal voltage references amount, output HIGH voltage amount then; If step 2.2) sawtooth waveforms that produced is lower than step 2.1) during resulting internal voltage references amount, output LOW voltage amount then;
2.4) by step 2.3) and in the high voltage amount that produced and low-voltage amount alternate produce fixed-frequency signal F1.
3. lighting energy-saving control method according to claim 1 and 2 is characterized in that: the concrete implementation of said step 3) is:
3.1) fixed-frequency signal F1 is transformed sampled voltage signal U through integrating circuit;
3.2) with step 3.1) resulting sampled voltage signal U is converted into circuit load frequency signal F2.
4. lighting energy-saving control method according to claim 3 is characterized in that: concrete implementation said step 3.1) is:
3.1.1) obtain the duty ratio D of fixed-frequency signal;
3.1.2) with step 3.1.1) the duty ratio D of resulting fixed-frequency signal is through integrating circuit calculating sampling voltage signal U; Said integrating circuit comprises formula U=5 * (D
0.5).
5. lighting energy-saving control method according to claim 4 is characterized in that: concrete implementation said step 3.2) is: with step 3.1) resulting sampled voltage signal U calculates and is output as the circuit load frequency signal F2 of certain frequency waveform through voltage controlled oscillator; Said account form is:
F2＝k×U+F1
Wherein:
K is voltage-controlled coefficient;
U is a step 3.1) resulting sampled voltage signal;
F1 is the minimum output frequency that voltage controlled oscillator and peripheral circuit are provided with.
6. lighting energy-saving control method according to claim 5 is characterized in that: the concrete implementation of said step 4) is:
Circuit load frequency signal F2 is through strategic point stream inductance dividing potential drop regulating load power P; Its computing formula is:
P＝[RL×V
BUS/(RL+2π×F2×L)]
2/RL
Wherein:
V
BUSIt is the dc bus voltage that load circuit provides;
RL is the resistance of load;
L is the inductance value of choke induction;
F2 is the circuit load frequency signal.
7. energy-saving circuit based on the described lighting energy-saving control method of the arbitrary claim of claim 1-6, it is characterized in that: said energy-saving circuit comprises voltage input end, light adjusting circuit signal input unit, signal conversion unit, control signal output unit and bearing power regulon; Said voltage input end inserts the bearing power regulon through light adjusting circuit signal input unit, signal conversion unit and control signal output unit successively.
8. energy-saving circuit according to claim 7 is characterized in that: said voltage input end comprises that the voltage range of input is the outside dc voltage input end of 0-10V and by frequency voltage signal input that load circuit produced; Said light adjusting circuit signal input unit comprises voltage comparator; Said external voltage input and frequency voltage signal input insert voltage comparator respectively.
9. according to claim 7 or 8 described energy-saving circuits, it is characterized in that: said signal conversion unit comprises the first integral circuit and first microcontroller; Said light adjusting circuit signal input unit inserts first microcontroller through the first integral circuit; Said first integral circuit comprises first electric capacity and first resistance; One end ground connection of said first electric capacity, the other end and common first microcontroller that inserts after first resistance and light adjusting circuit signal input unit are parallelly connected; Said first microcontroller is the PIC16 Series chip; The preferred PIC16F886 single-chip microcomputer of said first microcontroller.
10. energy-saving circuit according to claim 9 is characterized in that: said control signal output unit comprises the second integral circuit and second microcontroller; Said second microcontroller comprises voltage controlled oscillator; Said signal conversion unit inserts second microcontroller through the second integral circuit; Said second integral circuit comprises second electric capacity and second resistance; Said signal conversion unit links to each other with second microcontroller through second resistance; One end ground connection of said second electric capacity, the other end with insert second microcontroller after second resistance is parallelly connected; Said second microcontroller is the MC14046B chip; Said bearing power regulon comprises choke induction; Said voltage controlled oscillator inserts choke induction.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1340285A (en) * | 1999-12-14 | 2002-03-13 | 皇家菲利浦电子有限公司 | Digital lamp ballast |
| US20070120497A1 (en) * | 2005-11-30 | 2007-05-31 | Princeton Technology Corporation | Dimmer control system and controlling method thereof |
| US20080224636A1 (en) * | 2007-03-12 | 2008-09-18 | Melanson John L | Power control system for current regulated light sources |
| US20080272744A1 (en) * | 2007-05-02 | 2008-11-06 | Cirrus Logic, Inc. | Power control system using a nonlinear delta-sigma modulator with nonlinear power conversion process modeling |
| CN201153343Y (en) * | 2007-08-22 | 2008-11-19 | 北京市中盛飞朗科技发展有限公司 | HID electronic ballast constant power control system controlled by microcontroller |
| US20100164406A1 (en) * | 2008-07-25 | 2010-07-01 | Kost Michael A | Switching power converter control with triac-based leading edge dimmer compatibility |
| CN101848588A (en) * | 2010-06-12 | 2010-09-29 | 浙江大学 | Control method of full digital high-power metal halide lamp electronic ballast |
| CN102036458A (en) * | 2009-09-30 | 2011-04-27 | 塞瑞斯逻辑公司 | Phase control dimming compatible lighting systems |
-
2011
- 2011-12-14 CN CN201110420888.0A patent/CN102497705B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1340285A (en) * | 1999-12-14 | 2002-03-13 | 皇家菲利浦电子有限公司 | Digital lamp ballast |
| US20070120497A1 (en) * | 2005-11-30 | 2007-05-31 | Princeton Technology Corporation | Dimmer control system and controlling method thereof |
| US20080224636A1 (en) * | 2007-03-12 | 2008-09-18 | Melanson John L | Power control system for current regulated light sources |
| US20080272744A1 (en) * | 2007-05-02 | 2008-11-06 | Cirrus Logic, Inc. | Power control system using a nonlinear delta-sigma modulator with nonlinear power conversion process modeling |
| CN201153343Y (en) * | 2007-08-22 | 2008-11-19 | 北京市中盛飞朗科技发展有限公司 | HID electronic ballast constant power control system controlled by microcontroller |
| US20100164406A1 (en) * | 2008-07-25 | 2010-07-01 | Kost Michael A | Switching power converter control with triac-based leading edge dimmer compatibility |
| CN102036458A (en) * | 2009-09-30 | 2011-04-27 | 塞瑞斯逻辑公司 | Phase control dimming compatible lighting systems |
| CN101848588A (en) * | 2010-06-12 | 2010-09-29 | 浙江大学 | Control method of full digital high-power metal halide lamp electronic ballast |
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| CN102497705B (en) | 2014-04-02 |
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