CN106507571A - New orthogonal booster type single-stage high-frequency inductor electric ballast and its method of work - Google Patents
New orthogonal booster type single-stage high-frequency inductor electric ballast and its method of work Download PDFInfo
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- CN106507571A CN106507571A CN201610841282.7A CN201610841282A CN106507571A CN 106507571 A CN106507571 A CN 106507571A CN 201610841282 A CN201610841282 A CN 201610841282A CN 106507571 A CN106507571 A CN 106507571A
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- circuit
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- control circuit
- chip microcomputer
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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 new orthogonal 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 microcomputer or analog control circuit, output voltage and current sampling and modulate circuit and drive circuit.The present invention can be directly changed into high-frequency alternating current the direct current that 24V or 48V Vehicular accumulator cells are exported, power supply for needed for xenon lamp and other high-voltage gas discharging lights are provided when illuminating, and be particularly well-suited to automobile xenon lamp and searchlight.
Description
Technical field
The present invention relates to for xenon lamp and the ballast of other high-voltage gas discharging lights, in particular to new orthogonal booster type
Single-stage high-frequency inductor electric ballast and its method of work, belong to the lighting field such as HID lamp and other high-voltage gas discharging lights.
Background technology
Xenon lamp is as colour rendering is good, brightness is high, good energy-conserving effect, translucency are extensively pushed away in lighting field the advantages of good
Wide application, particularly auto lamp, searchlight etc., but for guaranteeing the gas-discharge lamp reliably working such as xenon lamp, need special electronic
Ballast.But, up to this point, on market, the electric ballast of technology maturation is mainly two-layer configuration and tertiary structure electricity
Road form, first becomes the alternating current of input into direct current, then DC power conversion into exchange electricity output.Front stage circuits be power because
Number correcting circuit, becomes the alternating current of input into direct current, and major function is to realize input power side High Power Factor.Rear class electricity
Road is inverter circuit, and DC inverter into low frequency or high-frequency alternating current, output meets the alternating current required for HID lamp illumination
Source.Tertiary structure circuit form, be between above-mentioned front stage circuit again plus one-level DC voltage conversion circuit, realize input and
Coupling between output voltage.Due to multi-level pmultistage circuit version, cause the circuit structure complexity of electric ballast, high cost,
Less efficient, and in order to realize that input power side High Power Factor, the circuit of power factor correction of increase can also bring FCC etc.
Electromagnetic compatibility problem.
In some special occasions, it is the gas discharge lamps such as xenon lamp to need by dc sources such as batteries, although can be with
Convert alternating current is not considered into direct current, but the direct current power source voltage such as battery is relatively low how the low-voltage that battery is provided to be had
The illuminating high-frequency alternating current of the gas-discharge lamps such as xenon lamp is reverse into effect, is then the key of inventive ballast.
Relatively low DC voltage is reverse into high-frequency alternating current, it will usually using push-pull circuit topological structure, but recommend
There is double voltage stress and switching tube shut-off due to voltage spikes in circuit, and be difficult to realize Sofe Switch.Using H-type full-bridge or
Half-bridge topology, circuit is nor highly desirable.
For overcoming 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, development of new orthogonal
Booster type single-stage high-frequency inductor electric ballast.
Content of the invention
Present invention aim to overcome that above-mentioned the deficiencies in the prior art and a kind of new orthogonal booster type single-stage high frequency is provided
Inductance electronic ballast and its implementation, ballast architecture are simple, small volume, modularized design, and control is simple, test side
And overall efficiency is high just,.
Realize that the technical scheme that the object of the invention is adopted is a kind of new orthogonal 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, by charging resistor with relay group into for reducing upper surge;
Storage capacitor, is made up of electrochemical capacitor and high-frequency film electric capacity, for reducing impact of the switching current to battery;
Half bridge switching circuit, for the conversion and transmission of reed time controll electric energy;
Series capacitance, for isolated DC and the effect of energy storage;
High-frequency pulse transformer, transmits for voltage transformation and energy, realizes the coupling of input and output voltage;
High-frequency inductor, for limiting to loading lamp current.
The control circuit includes:
Single-chip microcomputer or analog control circuit, for according to given reference signal and feedback signal, carrying out signal transacting, export
Control signal;
Output voltage and current sampling and modulate circuit 1, for being sampled, filtering to modulating voltage and lamp current, partial pressure
Or amplify, it is that single-chip microcomputer or analog control circuit provide feedback signal;And
Drive circuit, for the control signal from single-chip microcomputer or analog control circuit is carried out isolating, amplified, goes to drive
Half bridge switching circuit is turned on and off.
Inventive ballast lighting mode has two kinds:
One kind is resonance lighting, in output end one Ignition capacitor of parallel connection of ballast, using the high-frequency inductor of ballast
High voltage pulse is produced with Ignition capacitor resonance and goes lighting.
Another kind is igniter lighting, in output end one igniter of parallel connection of ballast, by charging to Ignition capacitor
Discharge again, then boosted transformer obtains high voltage pulse and goes lighting.
The workflow of high-frequency inductor electric ballast of the present invention includes:
Upper electricity -- electricity on ballast, accessory power supply work, and provide power supply for each several part control circuit, and being that storage capacitor is slow fills
Electricity;Electricity on single-chip microcomputer, initialization;
Lighting -- single-chip microcomputer or analog control circuit control half bridge switching circuit are turned on and off, realize frequency reducing frequency sweep or
Determine frequency resonance lighting;
Start -- lamp startup work, take constant current frequency modulation control, lamp current is stable, and modulating voltage is stepped up, lamp power with
Increase;
Illumination -- until lamp power reaches rated value, modulating voltage is equal to rated voltage, enters the work of invariable power frequency modulation.
Inventive ballast has advantages below:
1st, ballast architecture is simple, and small volume, modularized design are easy to control.
2nd, ballast is using half bridgepush pull inverter circuit and high-frequency inductor, and circuit is in weak perception, the work(of half bridge switching circuit
Rate switching tube is easily achieved Sofe Switch, and overall efficiency is high.
3rd, the direct current that 24V or 48V Vehicular accumulator cells are exported is directly changed into high-frequency alternating current, is xenon lamp and other height
Power supply needed for providing when pressure gas discharge lamp is illuminated, is particularly well-suited to automobile xenon lamp and searchlight.
4th, high-frequency inductor is a small inductor, provides constraints to loading lamp current, except humorous with Ignition capacitor during lighting
Shake outer, high-frequency inductor does not produce resonance with other devices, and therefore inventive ballast is a high-frequency inductor electric ballast, no
It is same as based on the high-frequency electronic ballast of LCC series resonances, low-frequency electronic rectifier with squre wave, common Inductive ballast.
Description of the drawings
Fig. 1 is the structured flowchart of new orthogonal booster type single-stage high-frequency inductor electric ballast of the invention.
Fig. 2 is the circuit diagram of power circuit in new orthogonal booster type single-stage high-frequency inductor electric ballast of the invention.
Fig. 3 is the workflow diagram of new orthogonal booster type single-stage high-frequency inductor electric ballast of the invention.
Specific embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, new orthogonal booster type single-stage high-frequency inductor electric ballast of the invention mainly includes power circuit
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, drive circuit 7, given or display circuit 8, single-chip microcomputer or
Analog control circuit 9, output voltage and current sampling and modulate circuit 10.
Power main circuit topological structure such as Fig. 2 institutes of the new orthogonal booster type single-stage high-frequency inductor electric ballast of the present invention
Show, using frequency modulation mode of operation.Below each several part in power circuit is illustrated respectively:
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 soon, protect battery.
Start-up circuit 2:Including starting resistance R13 and relay J14.Battery first activated resistance during electricity on ballast
R13 charges to storage capacitor C 1, and when storage capacitor C 1 is fast to be full of, 14 main contacts of relay J is closed so that start electricity
Resistance R 13 is shorted.
Half bridge switching circuit 3:The conversion and transmission of reed time controll electric energy.Including power switch pipe Q1 and Q2.As switch
Circuit, it would however also be possible to employ full-bridge or push-pull switching circuit, but the former increased switching tube and its drive circuit, latter increase out
Close tube voltage stress.In weak perception, the power switch pipe beneficial to half bridge switching circuit realizes Sofe Switch to circuit impedance of the present invention, 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 a part of isolated DC, high-frequency pulse transformer 11 plays a part of voltage transformation and transmission energy, realizes input and output
The coupling of voltage, can be the auto-transformer of isolating transformer or non-isolated.
High-frequency inductor 5:Load current is limited.High-frequency inductor 5 is a small inductor, and it is to limit lamp electricity which acts on
, in addition to resonance lighting, there is no resonance with other devices in stream., 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 circuits.Coordinate other electronic devices and circuit with a high frequency small inductor,
The function of Inductive ballast is completed, 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.
Below each several part in control circuit is illustrated respectively:
Auxiliary power module 6:For drive circuit 7, given or display circuit 8, single-chip microcomputer or analog control circuit 9, output
Voltage and current sampling is powered with modulate circuit 10.
Drive circuit 7:Control signal from single-chip microcomputer or analog control circuit 9 is carried out isolating, amplified, goes to drive half
Power MOS pipe in bridge switch circuit 3 is turned on and off.
Given or display circuit 8:It is that single-chip microcomputer or analog control circuit 9 provide output reference signal, and shows single-chip microcomputer
Or the working state signal of the output of analog control circuit 9.
Single-chip microcomputer or analog control circuit 9:According to given reference signal and feedback signal, signal transacting, output control is carried out
Signal processed, controls turning on and off for the power MOS pipe in half bridge switching circuit 3 after isolating, amplify through drive circuit 7.
Output voltage and current sampling and modulate circuit 10:Modulating voltage and lamp current are sampled, are filtered, partial pressure or is put
Greatly, it is that single-chip microcomputer or analog control circuit 9 carry out output control and provide feedback signal.
This ballast works in high frequency, and during work, circuit is slightly in perception, two switching tubes Q1, Q2 of half bridge switching circuit 3
Realize that Sofe Switch is turned on and off, reduce switching loss, improve ballast overall efficiency.
The workflow of inventive ballast as shown in figure 3, including four-stages such as upper electricity, lighting, startup, illuminations, in detail
Carefully it is described as follows:
(1) upper electricity
Electricity on ballast, accessory power supply work, and output voltage stabilization, powers to control circuit each several part after a while.There is monolithic
Machine, then initialize.
(2) lighting
Frequency reducing frequency sweep or fixed frequency work, and charge to external igniter fire electric capacity, discharge, produce high-voltage pulse lighting;Or
Person produces high voltage pulse lighting in ballast output end parallel firing electric capacity, high-frequency inductor with Ignition capacitor resonance.
(3) start
Lamp is started working, and takes constant current frequency modulation control pattern, and lamp current is constant, and more than nominal lamp current, modulating voltage is rapid
Raise, lamp power increases therewith.The starting time of xenon lamp is very short.
(4) illuminate
After xenon lamp starts, lamp power quickly reaches rated value, and modulating voltage is equal to rated voltage, enters the work of invariable power frequency modulation
Pattern.
Claims (7)
1. a kind of new orthogonal 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 resistance and relay assembly is started, for reducing upper surge;
Storage capacitor, is made up of electrochemical capacitor and high-frequency film electric capacity, for reducing impact of the switching current to battery;
Half bridge switching circuit, for the conversion and transmission of reed time controll electric energy;
Series capacitance, for isolated DC and the effect of energy storage,
High-frequency pulse transformer, for the effect of voltage transformation and transmission energy, realizes the coupling of input and output voltage;
High-frequency inductor, for limiting to load current.
The control circuit includes:
Single-chip microcomputer or analog control circuit, for according to given reference signal and feedback signal, carrying out signal transacting, output control
Signal;
Output voltage and current sampling and modulate circuit, for modulating voltage and lamp current are sampled, are filtered, partial pressure or put
Greatly, it is that single-chip microcomputer or analog control circuit provide feedback signal;And
Drive circuit, for the control signal from single-chip microcomputer or analog control circuit is carried out isolating, amplified, goes to drive half-bridge
On-off circuit is turned on and off.
2. new orthogonal booster type single-stage high-frequency inductor electric ballast according to claim 1, it is characterised in that:Described half
Bridge switch electric current, series capacitance and high-frequency pulse transformer are combined into half bridgepush pull inverter circuit, the straight of dc source offer
Stream electricity is reverse into high-frequency alternating current.
3. new orthogonal booster type single-stage high-frequency inductor electric ballast according to claim 1, it is characterised in that:The height
Frequency inductance is a small inductor, and it is to limit lamp current which acts on, and in addition to resonance lighting, resonance, electricity does not occur with other devices
Stream and voltage stress are little.
4. new orthogonal booster type single-stage high-frequency inductor electric ballast according to claim 1, it is characterised in that the control
Circuit processed also includes:
Given or display circuit, for being that single-chip microcomputer or analog control circuit are provided and export reference signal, and show single-chip microcomputer or
The working state signal of analog control circuit output.
5. new orthogonal booster type single-stage high-frequency inductor electric ballast according to claim 4, it is characterised in that the control
Circuit processed also includes:
Auxiliary power module, for for for drive circuit, given or display circuit, single-chip microcomputer or analog control circuit, output electricity
Pressure and current sampling are powered with modulate circuit.
6. the method for work of single-stage high-frequency inductor electric ballast described in a kind of claim 1, it is characterised in that:
Single-chip microcomputer or analog control circuit control the open-minded of half bridge switching circuit, realize frequency reducing frequency sweep lighting;
Lamp startup work, takes constant current frequency modulation control, and lamp current is stable, and modulating voltage is stepped up, and lamp power increases therewith;
Until lamp power reaches rated value, modulating voltage is equal to rated voltage, enters the work of invariable power frequency modulation.
7. method of work according to claim 6, it is characterised in that:
Output voltage and current sampling and modulate circuit are sampled, filter to modulating voltage and lamp current, partial pressure or amplification, are single
Piece machine or analog control circuit carry out output control and provide feedback signal;
Single-chip microcomputer or analog control circuit carry out signal transacting, output control signal according to given reference signal and feedback signal;
Drive circuit is carried out isolating, is amplified to the control signal exported from single-chip microcomputer or analog control circuit, is then driven
Half bridge switching circuit is turned 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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CN106507571B CN106507571B (en) | 2019-08-13 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108471663A (en) * | 2018-02-09 | 2018-08-31 | 福建睿能科技股份有限公司 | A kind of self-adapting electronic ballast and lamps and lanterns |
CN113346727A (en) * | 2021-05-28 | 2021-09-03 | 南京理工大学 | LCC resonant converter starting rate optimization control method |
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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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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 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108471663A (en) * | 2018-02-09 | 2018-08-31 | 福建睿能科技股份有限公司 | A kind of self-adapting electronic ballast and lamps and lanterns |
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 |
CN113346727A (en) * | 2021-05-28 | 2021-09-03 | 南京理工大学 | LCC resonant converter starting rate optimization control method |
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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