CN102307424A - High-power dimming electrodeless lamp - Google Patents

High-power dimming electrodeless lamp Download PDF

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Publication number
CN102307424A
CN102307424A CN201110134385A CN201110134385A CN102307424A CN 102307424 A CN102307424 A CN 102307424A CN 201110134385 A CN201110134385 A CN 201110134385A CN 201110134385 A CN201110134385 A CN 201110134385A CN 102307424 A CN102307424 A CN 102307424A
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circuit
resistance
electrodeless lamp
power
electric capacity
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汪宝彤
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NINGGUO HUBANG ELECTRONIC TECHNOLOGY CO LTD
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NINGGUO HUBANG ELECTRONIC TECHNOLOGY CO LTD
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Abstract

The invention discloses a high-power dimming electrodeless lamp. The high-power dimming electrodeless lamp comprises an anti-electromagnetic interference filter, a bridge rectifier module, an active power factor corrector, a half-bridge inverter oscillatory circuit, a power output device, a starting controller, a high-frequency coupler, a dimming circuit and an HB0809 integrated circuit, wherein the half-bridge inverter oscillatory circuit is used for converting a direct current voltage into a high-frequency alternating voltage; the power output device is used for supplying output power to the half-bridge inverter oscillatory circuit when the half-bridge inverter oscillatory circuit works; the starting controller is used for controlling the turning on and turning off of the electrodeless lamp; the high-frequency coupler is used for coupling electric energy of the active power factor corrector and the power output device to the lamp tube of the electrodeless lamp; the dimming circuit is connected with an externally connected dimming control circuit; when the externally connected dimming control circuit supplies a 0 to 10-volt direct current (VDC) dimming control voltage signal to the dimming circuit, the dimming circuit works and then converts the alternating voltage into a 18-volt direct voltage; and the HB0809 integrated circuit is connected to the half-bridge inverter oscillatory circuit and used for controlling the alternately turning on and turning off of a first metal oxide semiconductor (MOS) tube and a second MOS tube in the half-bridge inverter oscillatory circuit to set working frequency, ignition time and ignition frequency. By a dimming electrodeless lamp circuit, a dimming function of the high-power electrodeless lamp can be realized.

Description

The electrodeless lamp of a kind of high-power light modulation
Technical field
The present invention relates to electrodeless lamp, be specifically related to the electrodeless lamp of a kind of high-power light modulation.
Background technology
The low frequency electrodeless lamp that frequency of oscillation is lower than 300KHZ belongs to the new-generation energy-saving product of no filament, high light efficiency, long-life, high power factor; Because electrodeless lamp belongs to electrodeless startup and lights; Fluorescent tube do not existed because of filament damage or the electronics powder has been launched; And the sputter of electronics powder makes problem such as fluorescent tube blackout and the phenomenon that causes whole lamp to scrap; The whole lamp life-span prolongs greatly; And operating frequency exceeds 100KHz, and stroboscopic phenomenon is eliminated.The present power of electrodeless lamp is in the 15-400W scope, and the places such as place that especially suitable street lamp, Tunnel Lamp, pavement, culvert, particularly fluorescent tube should not be changed meet current energy-saving and cost-reducing principles and policies, have vast market prospect and social effect.In the today of being becoming tight energy day; Especially in a lot of city illumination engineerings; Adopt in the EMC Energy Management Contract pattern; Though energy-conservation nearly one times on electrodeless lamp than conventional light source; But in practical application; People always find much in electrodeless lamp illuminating engineering in order to save electric energy, to the late into the night and morning just street lamp part pass or only open a side or across opening some local solar street light of simply on road newly developed, using entirely.To this phenomenon, the electrodeless lamp of high-power light modulation has been invented by our company, and the electrodeless lamp of new light sources gets to be realized more energy-conservation and the hommization Based Intelligent Control, and the present invention has far-reaching social effect.
Summary of the invention
The present invention provides a kind of high-power light modulation electrodeless lamp, and this light modulation nonpolar lamp circuit can be realized the dimming function of high-power electrodeless lamp.
For achieving the above object, the technical scheme that the present invention adopts is: the electrodeless lamp of a kind of high-power light modulation comprises:
Anti-emi filter is used for suppressing the high order harmonic component from the civil power alternating current;
The bridge rectifier module is connected to said anti-emi filter, is used for that the alternating current from said anti-emi filter is carried out rectification and obtains direct current;
Active power factor corrector is connected to said bridge rectifier module, is used to reduce the ripple amplitude of direct voltage, and the circuit reactive power is reduced greatly, improves circuit active power;
The semi-bridge inversion oscillating circuit is connected to said active power factor corrector, comprises first metal-oxide-semiconductor and second metal-oxide-semiconductor, is used for changing direct current into high-frequency ac voltage;
Power take off is connected to said semi-bridge inversion oscillating circuit, the power output when being used to circuit work being provided;
The start-up control device between said power take off and active power factor corrector, is used to carry out the control that starts light of electrodeless lamp;
High-frequency coupler is used for the couple electrical energy from said active power factor corrector and power take off is arrived in the said electrodeless lamp fluorescent tube;
The light adjusting circuit that links to each other with external adjusting control circuit; By external adjusting control circuit the work of 0-10VDC brightness adjustment control voltage signal is provided; This light adjusting circuit comprises: first diode that is used for rectification connects the positive pole of seeing AC power; Second diode and be used for the 1st electric capacity parallel connection of filtering and between AC power positive pole and negative pole; One current-limiting resistance produces the 18V direct voltage thereby alternating current changed between the contact and second diode of said first diode and the 1st electric capacity;
The 2nd resistance and the 3rd resistance of series connection are parallelly connected with said second diode;
The 4th resistance of series connection and the 3rd electric capacity and said the 2nd resistance of connecting and the parallel connection of the 3rd resistance; The transistorized control utmost point of single-node is connected to the contact of said second resistance and the 3rd resistance, and the positive pole of this unijunction transistor is connected to the contact of said the 4th resistance and the 3rd electric capacity; When said 18V direct voltage is charged to the threshold value of said unijunction transistor through said the 4th resistance to said the 3rd electric capacity; Said unijunction transistor conducting; Said the 3rd capacitor discharge; When reducing to its holding current through the electric current of said unijunction transistor when following; Said unijunction transistor blocking-up; Said the 3rd electric capacity is recharged once more, so repeatedly, thereby on said the 3rd electric capacity, forms sawtooth voltage;
One comparator input terminal is accepted said sawtooth voltage, and with the direct voltage of extraneous input voltage 0-10V relatively, thereby produce impulse level;
One optocoupler is in saturation conduction and by taking turns to operate state, again through the 8th resistance and the 9th electric resistance partial pressure, forms 5V pulse amplitude signal under said impulse level control;
The HB0809 integrated circuit; Be connected to said semi-bridge inversion oscillating circuit; Be used to control first metal-oxide-semiconductor and second metal-oxide-semiconductor in the semi-bridge inversion oscillating circuit and take turns break-make operating frequency, the duration of ignition and spark rate are set, this HB0809 integrated circuit is adjusted the operating frequency of internal voltage controlled oscillator under the effect of said 5V pulse amplitude signal and time electric capacity.
Said first metal-oxide-semiconductor is connected to said HB0809 integrated circuit through the 23rd resistance and isolating transformer, the 16th electric capacity; Second metal-oxide-semiconductor is connected to the HB0809 integrated circuit through said the 24th resistance.
The threshold value of said unijunction transistor D3 is 18V*R2/ (R1+R2)+0.7V.
Said start-up circuit is made up of the 35th resistance, first voltage stabilizing didoe, the 18th diode and the 14th electric capacity, the 20th electric capacity.
The power supply circuits of said HB0809 integrated circuit are to adopt the midpoint power supply that first metal-oxide-semiconductor is connected with half-bridge lower end second metal-oxide-semiconductor from the half-bridge upper end.
Said power take off is the 8th inductance, through the 11st electric capacity, is connected to the drain electrode of the source electrode and first metal-oxide-semiconductor of said second metal-oxide-semiconductor.
Said high-frequency coupler is two pairs of magnet rings, and each magnet ring is combined into by two and half camber magnet rings, is wound with the 7-25 turn coil on every pair of magnet ring.
Said start-up control device is the 22nd electric capacity; The one of which end links to each other with the 30th resistance; The other end links to each other with said power take off, high-frequency coupler; When electrodeless lamp starts is that said high-frequency coupler provides starting resistor, and said high-frequency coupler provides operating voltage by said semi-bridge inversion oscillating circuit module after the operate as normal.
Because the technique scheme utilization, the present invention compared with prior art has advantage and effect:
1, the present invention can realize the dimming function of electrodeless lamp, and safety is isolated, and the dimming ballast loss has clear improvement again, and temperature rise is little, and security performance improves, and has improved the more energy-conservation of electrodeless lamp and hommization Based Intelligent Control simultaneously.
2, the present invention is different from the working method of the common chopper in the existing switch power technology: two kinds of pulse width modulation mode (Ts is constant, changes ton) and frequency modulation(FM) modes (ton is constant, changes Ts), and wherein the former is comparatively general, and the latter is easy to generate interference; The copped wave that the present invention is interrupted through modulation HB0809 integrated circuit; Short time stops high level output; Adopt this chopping way; Metal-oxide-semiconductor is interrupted to quit work; Electrodeless lamp master operating frequency is in the 200-300KHZ high-frequency oscillating circuits; Positive pulse on the metal-oxide-semiconductor grid can be taken turns variation work between 1.8-3.2US, regulate duty ratio, realizes high-power electrodeless lamp light modulation.
3, light adjusting circuit according to the invention; Through comparator IC1 in unijunction transistor D3 and the accompanying drawing 2 in optocoupler IC2 in the accompanying drawing 2 and the accompanying drawing 2; Form 0-5VDC output voltage complete and that alternating current input power supplying is isolated; This 5V amplitude pulse signal is interrupted the interior voltage controlled oscillator of modulation H0809 integrated circuit; The interior controlled oscillator of H0809 integrated circuit is interrupted to quit work; So just realize the dimming function of 30%-100% power output, high pressure is isolated, application safety.
Plurality of advantages such as 4, the present invention makes that electrodeless light fixture has dimming function, current harmonic content is low, power factor is high, output frequency is high, supply voltage wide ranges (100V-300V), defencive function are complete; Can realize the 30%-100% power output of high-power electrodeless lamp; Can increase substantially energy-saving effect like this, practical value is high.
Description of drawings
Accompanying drawing 1 is electrical principle structural representation of the present invention;
Accompanying drawing 2 is electrical block diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described:
Embodiment: the electrodeless lamp of a kind of high-power light modulation; Comprise: anti-emi filter 101; It can be an EM1 anti-emi filter; AC power is connected to anti-emi filter 1,3 pin inputs; Through its inner secondary common mode and the filtering of one-level differential mode; Can disturb high order harmonic component and suppress, thereby reduce the serious electromagnetic interference phenomenon between electrical network and this circuit greatly, to reach the national standard that conductibility is disturbed.
6,7 pin of bridge rectifier module 102 link to each other with 4,5 pin of anti-emi filter 101, and carrying out provides DC power supply for follow-up circuit especially semi-bridge inversion oscillating circuit module 106 after the rectification.
10 of active power factor corrector 103; 11 pin; With 8 of bridge rectifier module 102; 9 pin link to each other; Its inside includes the voltage automatic calibration circuit; Also comprise an electrochemical capacitor; Can be used as the power supply of subsequent conditioning circuit after this electric capacity charging; Active power factor corrector can be cut down the top pulse of electrochemical capacitor charging; And the ripple amplitude of reduction direct voltage; The circuit reactive power is reduced greatly; Improve circuit active power, the output power factor of circuit is reached more than 0.99, constant voltage of active power factor corrector 103 outputs; Cause has automatic adjustment function, thereby load is no longer changed because of the fluctuation of line voltage.Simultaneously, this electrochemical capacitor provides the secondary filtering effect again.
16 pin of semi-bridge inversion oscillating circuit 105 link to each other with 21 pin of power take off 106, for subsequent conditioning circuit provides the high-frequency ac voltage about high frequency 210KHZ.
25,26 pin of HB0809 integrated circuit 104 link to each other with 28,29 of semi-bridge inversion oscillating circuit 105, and two metal-oxide-semiconductors in the control semi-bridge inversion oscillating circuit 105 take turns switch.
20 pin of power take off 106 link to each other with 30 pin of start-up control device 107.
22 pin of power take off 106 link to each other with 23 pin of high-frequency coupler 108.
19 pin of start-up control device 107 link to each other with 13 pin of active power factor corrector 103 and 24 pin of high-frequency coupler 108, carry out the control that starts light of electrodeless lamp.
High-frequency coupler; Energy can be coupled in the electrodeless lamp fluorescent tube; The principle of suitable high frequency transformer, 24 pin of high-frequency coupler 108 link to each other with 13 pin of active power factor corrector 103, and 51 pin of high-frequency coupler, 52 pin link to each other with 53 pin, 54 pin of electrodeless lamp fluorescent tube 111.
46 pin of light adjusting circuit 109 link to each other with 45 pin of external adjusting control circuit 110, by external adjusting control circuit 0-10VDC are provided brightness adjustment control voltage signal.
43 of light adjusting circuit 109 links to each other with 40,41 pin of 44 pin and HB0809 integrated circuit 104, and the dim signal of the amplitude 5V pulse of 104 0-5VDC is provided, and carries out brightness adjustment control to 104.
Semi-bridge inversion oscillating circuit module comprises two metal-oxide-semiconductors; First metal-oxide-semiconductor is Q3; Be connected to the 9th pin of HB0809 paster integrated circuit modules through resistance R 23 and isolating transformer L6, capacitor C 16; Second metal-oxide-semiconductor is Q2, is connected to the 11st pin of HB0809 paster integrated circuit modules through resistance R 24.
Start-up circuit is formed the more simple and safe and low-power consumption of circuit by resistance R 35, diode DZ1, the 18th diode D18 and the 14th capacitor C the 14, the 20th capacitor C 20.
The power supply circuits of HB0809 integrated circuit are to adopt the midpoint that metal-oxide-semiconductor Q3 is connected with half-bridge lower end metal-oxide-semiconductor Q2 from the half-bridge upper end, form the more simple and safe and low-power consumption of circuit through capacitor C 14 with diode DZ1, D18 and capacitor C 14, C20.
Power take off is an inductance L 8, through the 11st capacitor C 11, is connected to the drain electrode of source electrode and the metal-oxide-semiconductor Q3 of metal-oxide-semiconductor Q2, the power output when for subsequent conditioning circuit work being provided.
High-frequency coupler is two pairs of magnet rings, and each magnet ring is combined into by two and half camber magnet rings, and the fluorescent tube of electrodeless lamp is clipped in the middle, and is wound with the 7-25 turn coil on every pair of magnet ring.
The start-up control device is the 22nd capacitor C 22; One end links to each other with the 30th resistance R 30; The other end links to each other with power take off, high-frequency coupler, when electrodeless lamp starts, is that high-frequency coupler provides starting resistor, and high-frequency coupler provides operating voltage by semi-bridge inversion oscillating circuit module after the operate as normal.
Present embodiment foregoing specific explanations is following.
The electrodeless lamp of the high-power light modulation external of the present invention is the copped wave that is interrupted through modulation HB0809 integrated circuit; Short time stops high level output; Adopt this chopping way; Metal-oxide-semiconductor is interrupted to quit work; Electrodeless lamp master operating frequency is in the 200-300KHZ high-frequency oscillating circuits; Positive pulse on the metal-oxide-semiconductor grid can be taken turns variation work between 1.8-3.2US, regulate duty ratio, realizes high-power electrodeless lamp light modulation.
Said light adjusting circuit; Through comparator IC1 in unijunction transistor D3 and the accompanying drawing 2 in optocoupler IC2 in the accompanying drawing 2 and the accompanying drawing 2; Form 0-5VDC output voltage complete and that alternating current input power supplying is isolated; This 5V amplitude pulse signal is interrupted the interior voltage controlled oscillator of modulation H0809 integrated circuit; The interior controlled oscillator of H0809 integrated circuit is interrupted to quit work; So just realize the dimming function of 30%-100% power output, high pressure is isolated, application safety.
Wherein HB0809 IC 3 is the special-purpose dimming ballast half-bridge driven of the electrodeless lamp chips that belong to our company's exploitation; Its band overvoltage and overcurrent protection; Operating frequency can be set arbitrarily; Also the duration of ignition and spark rate can be set arbitrarily; It is the asic chip of analog- and digital- mixing; Its inside produces sawtooth waveforms by voltage controlled oscillator; Be input to trigger; Trigger is external high-pressure side driver and low side driver respectively; Produce the nonoverlapping square wave of low frequency that frequency of oscillation is lower than 300KHZ respectively, promote two metal-oxide-semiconductors of the outer semi-bridge inversion oscillating circuit of integrated circuit.
Specifically be to realize dimming function through accompanying drawing 2 light adjusting circuits; Through the D1 rectification; C1 filtering; The R1 current limliting; The D2 voltage stabilizing produces the 18V direct voltage; Again through optocoupler IC2 and unijunction transistor D3 and comparator IC1; Wherein the voltage on its control utmost point (G) of unijunction transistor D3 is 18V*R2/ (R1+R2); When the voltage of 18V is charged to 18V*R2/ (R1+R2)+0.7V through 4 pairs the 3rd capacitor C 3 of the 4th resistance R; Unijunction transistor D3 conducting; 3 discharges of the 3rd capacitor C; When reducing to its holding current through the electric current of D3 when following; The 3rd diode D3 blocking-up; The 3rd capacitor C 3 is recharged once more; So go round and begin again; On the 3rd capacitor C 3, form sawtooth voltage; And transport to 8 pin of comparator IC1; Direct voltage with outer input voltage 0-10V compares again, and comparator IC11 pin can produce impulse level, 1 pin of this pulse input optocoupler IC2; 1 pin and 2 pin level through optocoupler IC2 change; 3 pin of optocoupler IC2 and 4 pin are in saturation conduction and by taking turns to operate state, again through R8 and R9 dividing potential drop, form pulse 5V amplitude signal; Import the CT pin of 2 pin of HB0809 integrated circuit (IC) 3 into, link to each other with capacitor C 6.
Wherein the operating frequency of the inner voltage controlled oscillator of IC3 is that the length in the charging interval of the external time capacitor C 6 through CT pin 2 pin decides; The capacitor charging time and the charge waveforms of the pulse signal modulation time capacitor C 6 of this 5V amplitude allow this controlled oscillator be interrupted work.
In addition 1 of optocoupler IC2; 2 pin and its 3; The safety of 4 pin high pressure 5KV is isolated; Optocoupler 3 like this; 4 pin are through dividing potential drop; Pass through the D1 rectification in the pulse 5V amplitude signal of output and the accompanying drawing 2; 1 filtering of the 1st capacitor C; The R1 current limliting; The 2nd diode D2 voltage stabilizing produces the safety isolation that the 18V direct voltage can form high pressure 5KV; Like this because the isolation of the alternating current input power supplying of the direct voltage of 18V and dimming ballast; So also will forming the safety of high pressure 5KV, the alternating current input power supplying of 0-10VDC dim signal positive-negative input end and dimming ballast isolates; Accompanying drawing 2 light adjusting circuits and external adjusting control circuit; For example with manual light modulation; Standard DALI (0-10VDC) light adjusting system; After the timing automatic light adjusting system combines; Manual light modulation; Standard DALI (0-10VDC) light adjusting system; The alternating current input power supplying of timing automatic light adjusting system and dimming ballast forms the safety of high pressure 5KV isolates, the absolute electric insulation safety of the instrument system of moving control of this guarantor's skill and the control of low pressure small-signal.
Light adjusting circuit; Main devices is comparator IC1, optocoupler IC2, the 1st diode D1, the 2nd diode D2, the 3rd diode D3, the 1st resistance R the 1, the 2nd resistance R the 2, the 3rd resistance R the 3, the 4th resistance R the 4, the 5th resistance R the 5, the 6th resistance R the 6, the 7th resistance R the 7, the 8th resistance R the 8, the 9th resistance R the 9, the 1st capacitor C the 1, the 2nd capacitor C the 2, the 3rd capacitor C the 3, the 4th capacitor C the 4, the 5th capacitor C the 5, the 6th capacitor C 6, and its circuit constitutes: the 5th resistance R the 5, the 6th resistance R the 6, the 4th capacitor C the 4, the 5th capacitor C the 5, the 7th resistance R 7 links to each other with comparator IC1 respectively; The 8th resistance R the 8, the 9th resistance R 9, optocoupler IC2, the 6th capacitor C 6 link to each other with HB0809 integrated circuit (IC) 3 respectively.
The supply power mode of said HB0809 integrated circuit is to adopt the midpoint that metal-oxide-semiconductor Q3 is connected with half-bridge lower end metal-oxide-semiconductor Q2 from the half-bridge upper end; Adopt the mode of capacitor C 14 step-downs and voltage stabilizing didoe DZ1 voltage stabilizing to supply power start-up circuit that IC3 with R35 works; Be different from other nonpolar lamp circuits is to adopt isolating transformer and three-terminal voltage-stabilizing to come supply power mode; This circuit is simple; Highly reliable, caloric value is little.
The announcement of book and instruction according to the above description; Those skilled in the art in the invention can also change and revise above-mentioned execution mode; Therefore; The embodiment that discloses and describe above the present invention is not limited to, and the various remodeling that carry out within the scope of the present invention all do not exceed protection scope of the present invention.

Claims (8)

1. electrodeless lamp of high-power light modulation comprises:
Anti-emi filter (101) is used for suppressing the high order harmonic component from the civil power alternating current;
Bridge rectifier module (102) is connected to said anti-emi filter, is used for that the alternating current from said anti-emi filter is carried out rectification and obtains direct current;
Active power factor corrector (103) is connected to said bridge rectifier module, is used to reduce the ripple amplitude of direct voltage, and the circuit reactive power is reduced greatly, improves circuit active power;
Semi-bridge inversion oscillating circuit (105) is connected to said active power factor corrector, comprises first metal-oxide-semiconductor (Q3) and second metal-oxide-semiconductor (Q2), is used for changing direct current into high-frequency ac voltage;
Power take off (106) is connected to said semi-bridge inversion oscillating circuit, the power output when being used to circuit work being provided;
Start-up control device (107) between said power take off and active power factor corrector, is used to carry out the control that starts light of electrodeless lamp;
High-frequency coupler (108) is used for the couple electrical energy from said active power factor corrector and power take off is arrived in the said electrodeless lamp fluorescent tube;
It is characterized in that: also comprise:
The light adjusting circuit (109) that links to each other with external adjusting control circuit (110); By external adjusting control circuit (110) work of 0-10VDC brightness adjustment control voltage signal is provided; This light adjusting circuit (109) comprising: first diode (D1) that is used for rectification connects the positive pole of seeing AC power; Second diode (D2) and be used for the 1st electric capacity (C1) parallel connection of filtering and between AC power positive pole and negative pole; One current-limiting resistance (R1) is positioned between the contact and second diode (D2) of said first diode (D1) and the 1st electric capacity (C1), thereby changes alternating current into generation 18V direct voltage;
The 2nd resistance (R2) and the 3rd resistance (R3) of series connection are parallelly connected with said second diode (D2);
The 4th resistance (R4) and the 3rd electric capacity (C3) and said the 2nd resistance (R2) of connecting and the 3rd resistance (R3) parallel connection of series connection; The control utmost point (G) of single-node transistor (D3) is connected to the contact of said second resistance (R2) and the 3rd resistance (R3), and the positive pole of this unijunction transistor (D3) is connected to the contact of said the 4th resistance (R4) and the 3rd electric capacity (C3); When said 18V direct voltage is charged to the threshold value of said unijunction transistor (D3) through said the 4th resistance (R4) to said the 3rd electric capacity (C3); Said unijunction transistor (D3) conducting; Said the 3rd electric capacity (C3) discharge; When reducing to its holding current through the electric current of said unijunction transistor (D3) when following; Said unijunction transistor (D3) blocking-up; Said the 3rd electric capacity (C3) is recharged once more, so repeatedly, thereby goes up the formation sawtooth voltage at said the 3rd electric capacity (C3);
One comparator (IC1) input is accepted said sawtooth voltage, and with the direct voltage of extraneous input voltage 0-10V relatively, thereby produce impulse level;
One optocoupler (IC2) is in saturation conduction and by taking turns to operate state, again through the 8th resistance (R8) and the 9th resistance (R9) dividing potential drop, forms 5V pulse amplitude signal under said impulse level control;
HB0809 integrated circuit (104) is connected to said semi-bridge inversion oscillating circuit (105), is used to control first metal-oxide-semiconductor (Q3) and second metal-oxide-semiconductor (Q2) in the semi-bridge inversion oscillating circuit (105)
Break-make is provided with operating frequency, the duration of ignition and spark rate in turn, and this HB0809 integrated circuit (104) is adjusted the operating frequency of internal voltage controlled oscillator under the effect of said 5V pulse amplitude signal and time electric capacity (C6).
2. the electrodeless lamp of light modulation according to claim 2 is characterized in that: said first metal-oxide-semiconductor (Q3) is connected to said HB0809 integrated circuit (104) through the 23rd resistance (R23) and isolating transformer (L6), the 16th electric capacity (C16); Second metal-oxide-semiconductor (Q2) is connected to HB0809 integrated circuit (104) through said the 24th resistance (R24).
3. the electrodeless lamp of light modulation according to claim 1 is characterized in that: the threshold value of said unijunction transistor D3 is 18V*R2/ (R1+R2)+0.7V.
4. the electrodeless lamp of light modulation according to claim 1 is characterized in that: said start-up circuit is made up of the 35th resistance (R35), first voltage stabilizing didoe (DZ1), the 18th diode (D18) and the 14th electric capacity (C14), the 20th electric capacity (C20).
5. the electrodeless lamp of light modulation according to claim 1 is characterized in that: the power supply circuits of said HB0809 integrated circuit are to adopt the midpoint power supply that is connected with half-bridge lower end second metal-oxide-semiconductor (Q2) from half-bridge upper end first metal-oxide-semiconductor (Q3).
6. the electrodeless lamp of light modulation according to claim 1 is characterized in that: said power take off (106) is the 8th inductance (L8), through the 11st electric capacity (C11), is connected to the drain electrode of the source electrode and first metal-oxide-semiconductor (Q3) of said second metal-oxide-semiconductor (Q2).
7. the electrodeless lamp of light modulation according to claim 1 is characterized in that: said high-frequency coupler (108) is two pairs of magnet rings, and each magnet ring is combined into by two and half camber magnet rings, is wound with the 7-25 turn coil on every pair of magnet ring.
8. the electrodeless lamp of light modulation according to claim 1; It is characterized in that: said start-up control device (107) is the 22nd electric capacity (C22); The one of which end links to each other with the 30th resistance (R30); The other end links to each other with said power take off (106), high-frequency coupler (108); Be that said high-frequency coupler (108) provides starting resistor when electrodeless lamp (111) starts, said high-frequency coupler (108) provides operating voltage by said semi-bridge inversion oscillating circuit module (105) after the operate as normal.
CN201110134385A 2011-05-23 2011-05-23 High-power dimming electrodeless lamp Pending CN102307424A (en)

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* Cited by examiner, † Cited by third party
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CN103347357A (en) * 2013-06-26 2013-10-09 夏轶 Chip for electrodeless gas discharge lamp and electrodeless gas discharge lamp
CN104284484A (en) * 2014-09-23 2015-01-14 浙江七星青和电子科技有限公司 Color-changeable electrodeless lamp
CN105263249A (en) * 2015-05-15 2016-01-20 上海绿寰光电有限公司 High-frequency electronic ballast
CN105307333A (en) * 2015-10-31 2016-02-03 广东新昇电业科技股份有限公司 Leading-edge and trailing-edge light modulation discharge circuit
CN106954317A (en) * 2017-05-15 2017-07-14 中国矿业大学 A kind of solar lighting intelligent control circuit
CN105072782B (en) * 2015-09-11 2017-08-04 东莞华明灯具有限公司 A kind of circuit and method by 0 10V analog signals, two road lighting lanterns of control

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CN2620457Y (en) * 2003-05-28 2004-06-09 上海宏源照明电器有限公司 Light adjustable high pressure gas discharge lamp circuit
CN2622984Y (en) * 2003-06-04 2004-06-30 上海宏源照明电器有限公司 Circuit of light dimming electromagnetic induction light
CN201774729U (en) * 2010-08-26 2011-03-23 宁国市沪帮电子科技有限公司 Two-stage dimming electrodeless lamp circuit capable of automatically switching at regular time

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103347357A (en) * 2013-06-26 2013-10-09 夏轶 Chip for electrodeless gas discharge lamp and electrodeless gas discharge lamp
CN103347357B (en) * 2013-06-26 2015-09-02 夏轶 Electrode-less gas discharge lamp special chip and electrode-less gas discharge lamp
CN104284484A (en) * 2014-09-23 2015-01-14 浙江七星青和电子科技有限公司 Color-changeable electrodeless lamp
CN105263249A (en) * 2015-05-15 2016-01-20 上海绿寰光电有限公司 High-frequency electronic ballast
CN105263249B (en) * 2015-05-15 2018-06-26 上海绿寰光电有限公司 A kind of high-frequency electronic ballast
CN105072782B (en) * 2015-09-11 2017-08-04 东莞华明灯具有限公司 A kind of circuit and method by 0 10V analog signals, two road lighting lanterns of control
CN105307333A (en) * 2015-10-31 2016-02-03 广东新昇电业科技股份有限公司 Leading-edge and trailing-edge light modulation discharge circuit
CN106954317A (en) * 2017-05-15 2017-07-14 中国矿业大学 A kind of solar lighting intelligent control circuit
CN106954317B (en) * 2017-05-15 2018-05-04 中国矿业大学 A kind of solar lighting intelligent control circuit

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Application publication date: 20120104