CN106507571B - Novel direct hands over booster type single-stage high-frequency inductor electric ballast and its working method - Google Patents
Novel direct hands over booster type single-stage high-frequency inductor electric ballast and its working method Download PDFInfo
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- CN106507571B CN106507571B CN201610841282.7A CN201610841282A CN106507571B CN 106507571 B CN106507571 B CN 106507571B CN 201610841282 A CN201610841282 A CN 201610841282A CN 106507571 B CN106507571 B CN 106507571B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
- H05B41/14—Circuit arrangements
- H05B41/26—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc
- H05B41/28—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters
- H05B41/288—Circuit arrangements in which the lamp is fed by power derived from dc by means of a converter, e.g. by high-voltage dc using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
- H05B41/2885—Static converters especially adapted therefor; Control thereof
-
- 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
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The present invention relates to a kind of Novel directs to hand over booster type single-stage high-frequency inductor electric ballast, the ballast includes power circuit and control circuit, wherein, the power circuit includes start-up circuit, storage capacitor, half bridge switching circuit, series capacitance, high-frequency pulse transformer, high-frequency inductor.The control circuit includes single-chip microcontroller or analog control circuit, output voltage and current sampling and conditioning circuit and driving circuit.The direct current that 24V or 48V Vehicular accumulator cell exports can be directly changed into high-frequency alternating current by the present invention, to provide required power supply when xenon lamp and the illumination of other high-voltage gas discharging lights, especially suitable for automobile xenon lamp and searchlight.
Description
Technical field
The present invention relates to the ballasts for xenon lamp and other high-voltage gas discharging lights, hand over booster type in particular to Novel direct
Single-stage high-frequency inductor electric ballast and its working method belong to the lighting areas such as HID lamp and other high-voltage gas discharging lights.
Background technique
Xenon lamp is pushed away due to the advantages that colour rendering is good, brightness is high, energy-saving effect is good, translucency is good in lighting area extensively
Wide application, especially auto lamp, searchlight etc., but to ensure the gas-discharge lamps reliably working such as xenon lamp, need special electronic
Ballast.But up to this point, the electric ballast of technology maturation is mainly two-level configuration and tertiary structure electricity in the market
The alternating current of input is first become direct current, then DC power conversion is exported at alternating current by road form.Front stage circuits be power because
The alternating current of input is become direct current by number correcting circuit, and major function is to realize input power side High Power Factor.Rear class electricity
Road is inverter circuit, and DC inverter at low frequency or high-frequency alternating current, output meets alternating current required for HID lamp illuminates
Source.Tertiary structure circuit form, be between above-mentioned front stage circuit again plus level-one DC voltage conversion circuit, realize input and
Matching between output voltage.Due to multi-level pmultistage circuit structure type, cause the circuit structure of electric ballast it is complicated, it is at high cost,
Efficiency is lower, and in order to realize that input power side High Power Factor, increased circuit of power factor correction can also bring FCC etc.
Electromagnetic compatibility problem.
It in certain special occasions, needs by DC power supplies such as batteries to be the gas discharge lamps such as xenon lamp, although can be with
Convert alternating current can not considered direct current, but the direct current power source voltages such as battery are lower, and the low-voltage how to provide battery has
It is reverse into effect the illuminating high-frequency alternating current of the gas-discharge lamps such as xenon lamp, then is the key that inventive ballast.
Lower DC voltage is reverse into high-frequency alternating current, it will usually use push-pull circuit topological structure, but recommend
There is double voltage stress and switching tube shutdown due to voltage spikes in circuit, and be not easy to realize Sofe Switch.Using H-type full-bridge or
Half-bridge topology, circuit are also not highly desirable.
To overcome the shortcomings of above-mentioned technology, on the basis of the research of related high-frequency electronic ballast, opened using half-bridge
Powered-down road, series capacitance and high-frequency pulse transformer are combined into half bridgepush pull inverter circuit and high-frequency inductor, and development of new is directly handed over
Booster type single-stage high-frequency inductor electric ballast.
Summary of the invention
Present invention aims to overcome that above-mentioned the deficiencies in the prior art and a kind of Novel direct is provided and hands over booster type single-stage high frequency
Inductance electronic ballast and its implementation, ballast architecture is simple, small in size, modularized design, and control is simple, test side
Just, and overall efficiency is high.
The object of the invention is realized the technical solution adopted is that a kind of Novel direct hands over booster type single-stage high-frequency inductor electronic ballast
Device, the inductance electronic ballast include
Power circuit and control circuit, wherein
The power circuit includes:
Start-up circuit is made of charging resistor and relay, for reducing upper surge;
Storage capacitor is made of electrolytic capacitor and high-frequency film capacitor, for reducing influence of the switching current to battery;
Half bridge switching circuit, transformation and transmission for reed time controll electric energy;
Series capacitance, the effect for isolated DC and energy storage;
High-frequency pulse transformer is used for voltage transformation and energy transmission, realizes the matching of input and output voltage;
High-frequency inductor, for limiting load lamp current.
The control circuit includes:
Single-chip microcontroller or analog control circuit, for carrying out signal processing, output according to reference signal and feedback signal is given
Control signal;
Output voltage and current sampling and conditioning circuit 1, for being sampled, filtering to modulating voltage and lamp current, divide
Or amplification, feedback signal is provided for single-chip microcontroller or analog control circuit;And
Driving circuit goes to drive for the control signal from single-chip microcontroller or analog control circuit to be isolated, amplifies
Half bridge switching circuit turns on and off.
There are two types of inventive ballast lighting modes:
One is resonance lightings to utilize the high-frequency inductor of ballast in the output end of a ballast Ignition capacitor in parallel
High voltage pulse, which is generated, with Ignition capacitor resonance goes lighting.
Another kind is igniter lighting, in the output end of a ballast igniter in parallel, by charging to Ignition capacitor
It discharges again, then boosted transformer obtains high voltage pulse and goes lighting.
The workflow of high-frequency inductor electric ballast of the present invention includes:
Powering on -- ballast powers on, and accessory power supply work provides power supply for each section control circuit, fills for storage capacitor is slow
Electricity;Single-chip microcontroller powers on, initialization;
Lighting -- single-chip microcontroller or analog control circuit control half bridge switching circuit turn on and off, realize frequency reducing frequency sweep or
Determine frequency resonance lighting;
Starting -- lamp starts work, takes constant current frequency modulation control, and lamp current is stablized, and modulating voltage is stepped up, lamp power with
Increase;
Illumination -- until lamp power reaches rated value, modulating voltage is equal to voltage rating, works into invariable power frequency modulation.
Inventive ballast has the advantage that
1, ballast architecture is simple, small in size, and modularized design is easy to control.
2, ballast uses half bridgepush pull inverter circuit and high-frequency inductor, and circuit is in weak perception, the function of half bridge switching circuit
Rate switching tube is easily achieved Sofe Switch, and overall efficiency is high.
3, the direct current that 24V or 48V Vehicular accumulator cell exports is directly changed into high-frequency alternating current, is xenon lamp and other high
Power supply needed for being provided when pressure gas discharge lamp illuminates, especially suitable for automobile xenon lamp and searchlight.
4, high-frequency inductor is a small inductor, is provided constraints to load lamp current, humorous with Ignition capacitor when in addition to lighting
Vibration is outer, and high-frequency inductor does not generate resonance with other devices, therefore inventive ballast is a high-frequency inductor electric ballast, no
It is same as high-frequency electronic ballast, low-frequency electronic rectifier with squre wave, common Inductive ballast based on LCC series resonance.
Detailed description of the invention
Fig. 1 is the structural block diagram that Novel direct of the present invention hands over booster type single-stage high-frequency inductor electric ballast.
Fig. 2 is the circuit diagram that Novel direct of the present invention hands over power circuit in booster type single-stage high-frequency inductor electric ballast.
Fig. 3 is the work flow diagram that Novel direct of the present invention hands over booster type single-stage high-frequency inductor electric ballast.
Specific embodiment
The following further describes the present invention in detail with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, it mainly includes power circuit that Novel direct of the present invention, which hands over booster type single-stage high-frequency inductor electric ballast,
And control circuit, wherein power circuit includes start-up circuit 2, storage capacitor 1, half bridge switching circuit 3, series capacitance and high frequency arteries and veins
Rush transformer 4, high-frequency inductor 5;Control circuit include accessory power supply 6, driving circuit 7, given or display circuit 8, single-chip microcontroller or
Analog control circuit 9, output voltage and current sampling and conditioning circuit 10.
Novel direct of the present invention hands over power main circuit topological structure such as Fig. 2 institute of booster type single-stage high-frequency inductor electric ballast
Show, using frequency modulation mode of operation.Each section in power circuit is illustrated respectively below:
Storage capacitor C1 is connected between start-up circuit and half bridge switching circuit, for providing to rear class power switch circuit
Pulse current and voltage, trickle charge are put fastly, protect battery.
Start-up circuit 2: including start-up resistor R13 and relay J14.Battery first activated resistance when ballast powers on
R13 charges to storage capacitor C 1, when storage capacitor C 1 is full of fastly, 14 main contacts of relay J closure, so that starting electricity
Resistance R 13 is short-circuited.
Half bridge switching circuit 3: the transformation and transmission of reed time controll electric energy.Including power switch tube Q1 and Q2.As switch
Circuit can also use full-bridge or push-pull switching circuit, but the former increases switching tube and its driving circuit, latter increases out
Close tube voltage stress.Circuit impedance of the present invention is in weak perception, realizes Sofe Switch conducive to the power switch tube of half bridge switching circuit, can
To reduce switching loss and electromagnetic interference.
Series capacitance and high-frequency pulse transformer 4: including series capacitance 12 and high-frequency pulse transformer 11.Series capacitance 12
Play the role of isolated DC, high-frequency pulse transformer 11 plays voltage transformation and transmission energy, realizes input and output
The matching of voltage can be isolating transformer or non-isolated auto-transformer.
High-frequency inductor 5: load current is limited.High-frequency inductor 5 is a small inductor, and effect is limitation lamp electricity
With other devices resonance does not occur for stream other than resonance lighting., the power capacity very little of high-frequency inductor, this is based on other
The fundamental difference of the high-frequency electronic ballast of LCC resonance circuit.Cooperate other electronic devices and circuit with a high frequency small inductor,
The function of completing Inductive ballast, is a kind of high-frequency inductor electric ballast, this is and other low-frequency electronic rectifier with squre wave, general
The fundamental difference of logical Inductive ballast.
Each section in control circuit is illustrated respectively below:
Auxiliary power module 6: for driving circuit 7, given or display circuit 8, single-chip microcontroller or analog control circuit 9, output
Voltage and current sampling is powered with conditioning circuit 10.
Driving circuit 7: being isolated the control signal from single-chip microcontroller or analog control circuit 9, amplified, and driving half is gone
Power MOS pipe in bridge switch circuit 3 turns on and off.
Given or display circuit 8: output reference signal is provided for single-chip microcontroller or analog control circuit 9, and shows single-chip microcontroller
Or the working state signal that analog control circuit 9 exports.
Single-chip microcontroller or analog control circuit 9: according to given reference signal and feedback signal, signal processing, output control are carried out
Signal processed controls turning on and off for the power MOS pipe in half bridge switching circuit 3 after the isolation of driving circuit 7, amplification.
Output voltage and current sampling and conditioning circuit 10: modulating voltage and lamp current are sampled, filtered, divided or put
Greatly, output control being carried out for single-chip microcontroller or analog control circuit 9, feedback signal is provided.
This ballast works in high frequency, and circuit is slightly in perception, two switching tubes Q1, Q2 of half bridge switching circuit 3 when work
It realizes that Sofe Switch turns on and off, reduces switching loss, improve ballast overall efficiency.
The workflow of inventive ballast as shown in figure 3, include power on, lighting, starting, the four-stages such as illumination, in detail
Carefully it is described as follows:
(1) it powers on
Ballast powers on, and accessory power supply work, output voltage stabilization, powers to control circuit each section later.There is monolithic
Machine then initializes.
(2) lighting
Frequency reducing frequency sweep or fixed frequency work, and to external igniter fire capacitor charging, electric discharge, generate high-voltage pulse lighting;Or
Person generates high voltage pulse lighting in ballast output end parallel firing capacitor, high-frequency inductor and Ignition capacitor resonance.
(3) start
Lamp is started to work, and constant current frequency modulation control mode is taken, and lamp current is constant, is greater than nominal lamp current, and modulating voltage is rapid
It increases, lamp power increases with it.The starting time of xenon lamp is very short.
(4) it illuminates
After xenon lamp starting, lamp power quickly reaches rated value, and modulating voltage is equal to voltage rating, works into invariable power frequency modulation
Mode.
Claims (5)
1. a kind of Novel direct hands over booster type single-stage high-frequency inductor electric ballast, it is characterised in that: the ballast includes power
Circuit and control circuit, wherein
The power circuit includes:
Start-up circuit, by start-up resistor and relay assembly, for reducing upper surge;
Storage capacitor is made of electrolytic capacitor and high-frequency film capacitor, for reducing influence of the switching current to battery;
Half bridge switching circuit, transformation and transmission for reed time controll electric energy;
Series capacitance, for the effect of isolated DC and energy storage,
High-frequency pulse transformer realizes the matching of input and output voltage for the effect of voltage transformation and transmission energy;Described half
Bridge switch circuit, series capacitance and high-frequency pulse transformer are combined into half bridgepush pull inverter circuit, DC power supply are provided straight
Galvanic electricity is reverse into high-frequency alternating current;
High-frequency inductor, for limiting load current, the high-frequency inductor is a small inductor, and effect is limitation lamp electricity
With other devices resonance does not occur for stream, electric current and voltage stress are small other than resonance lighting;
The control circuit includes:
Single-chip microcontroller or analog control circuit, for according to reference signal and feedback signal is given, carrying out signal processing, output control
Signal;
Output voltage and current sampling and conditioning circuit, for modulating voltage and lamp current to be sampled, filter, divide or put
Greatly, feedback signal is provided for single-chip microcontroller or analog control circuit;And
Driving circuit removes driving half-bridge for being isolated to the control signal from single-chip microcontroller or analog control circuit, being amplified
Switching circuit turns on and off.
2. Novel direct hands over booster type single-stage high-frequency inductor electric ballast according to claim 1, it is characterised in that the control
Circuit processed further include:
Given or display circuit, for providing output reference signal for single-chip microcontroller or analog control circuit, and show single-chip microcontroller or
The working state signal of analog control circuit output.
3. Novel direct hands over booster type single-stage high-frequency inductor electric ballast according to claim 2, it is characterised in that the control
Circuit processed further include:
Auxiliary power module, for for for driving circuit, given or display circuit, single-chip microcontroller or analog control circuit, output electricity
Pressure and current sampling and conditioning circuit are powered.
4. the working method of single-stage high-frequency inductor electric ballast described in a kind of claim 1, it is characterised in that:
Open-minded, the realization frequency reducing frequency sweep lighting of single-chip microcontroller or analog control circuit control half bridge switching circuit;
Lamp starts work, takes constant current frequency modulation control, and lamp current is stablized, and modulating voltage is stepped up, and lamp power increases with it;
Until lamp power reaches rated value, modulating voltage is equal to voltage rating, works into invariable power frequency modulation.
5. working method according to claim 4, it is characterised in that:
Output voltage and current sampling and conditioning circuit are sampled modulating voltage and lamp current, filter, divide or amplify, and are single
Piece machine or analog control circuit carry out output control and provide feedback signal;
Single-chip microcontroller or analog control circuit carry out signal processing, output control signal according to given reference signal and feedback signal;
Driving circuit is isolated the control signal from single-chip microcontroller or analog control circuit output, is amplified, and then drives
Half bridge switching circuit turns on and off.
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CN201610841282.7A CN106507571B (en) | 2016-09-22 | 2016-09-22 | Novel direct hands over booster type single-stage high-frequency inductor electric ballast and its working method |
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CN201610841282.7A CN106507571B (en) | 2016-09-22 | 2016-09-22 | Novel direct hands over booster type single-stage high-frequency inductor electric ballast and its working method |
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CN106507571A CN106507571A (en) | 2017-03-15 |
CN106507571B true CN106507571B (en) | 2019-08-13 |
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CN108471663B (en) * | 2018-02-09 | 2019-09-20 | 福建睿能科技股份有限公司 | A kind of self-adapting electronic ballast and lamps and lanterns |
CN113346727B (en) * | 2021-05-28 | 2022-05-20 | 南京理工大学 | LCC resonant converter starting rate optimization control method |
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CN1307400A (en) * | 2000-01-27 | 2001-08-08 | 东芝照明技术株式会社 | Supply unit, electronic ballast using the supply and self-ballasting fluorescent lamp |
CN1462167A (en) * | 2002-05-31 | 2003-12-17 | 美商茂力科技股份有限公司 | Device for driving lamp and method for driving discharge tube |
CN1516993A (en) * | 2001-06-18 | 2004-07-28 | 皇家菲利浦电子有限公司 | High efficiency driver apparatus for driving cold cathode fluorescent lamp |
CN1787717A (en) * | 2005-11-18 | 2006-06-14 | 清华大学 | Solar energy high voltage sodium lamp controller based on single stage inverter |
DE102008023596A1 (en) * | 2008-05-14 | 2009-11-19 | Hella Kgaa Hueck & Co. | Ballast for operating alternating current-high pressure-gas discharge lamp in motor vehicle, has current pulse producing unit driving current pulse after lamp ignition and arranged parallel to series circuit of inductor and output |
CN105592616A (en) * | 2014-10-19 | 2016-05-18 | 廖蓉 | Low pressure sodium lamp ballast |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN205491400U (en) * | 2016-01-12 | 2016-08-17 | 武汉鑫双易科技开发有限公司 | Sub - ballast of single -phase single -stage HID high frequency electric |
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2016
- 2016-09-22 CN CN201610841282.7A patent/CN106507571B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1307400A (en) * | 2000-01-27 | 2001-08-08 | 东芝照明技术株式会社 | Supply unit, electronic ballast using the supply and self-ballasting fluorescent lamp |
CN1516993A (en) * | 2001-06-18 | 2004-07-28 | 皇家菲利浦电子有限公司 | High efficiency driver apparatus for driving cold cathode fluorescent lamp |
CN1462167A (en) * | 2002-05-31 | 2003-12-17 | 美商茂力科技股份有限公司 | Device for driving lamp and method for driving discharge tube |
CN1787717A (en) * | 2005-11-18 | 2006-06-14 | 清华大学 | Solar energy high voltage sodium lamp controller based on single stage inverter |
DE102008023596A1 (en) * | 2008-05-14 | 2009-11-19 | Hella Kgaa Hueck & Co. | Ballast for operating alternating current-high pressure-gas discharge lamp in motor vehicle, has current pulse producing unit driving current pulse after lamp ignition and arranged parallel to series circuit of inductor and output |
CN105592616A (en) * | 2014-10-19 | 2016-05-18 | 廖蓉 | Low pressure sodium lamp ballast |
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