CN2369454Y - Energy saving lamp with ballast without magnet ring - Google Patents
Energy saving lamp with ballast without magnet ring Download PDFInfo
- Publication number
- CN2369454Y CN2369454Y CN 99211363 CN99211363U CN2369454Y CN 2369454 Y CN2369454 Y CN 2369454Y CN 99211363 CN99211363 CN 99211363 CN 99211363 U CN99211363 U CN 99211363U CN 2369454 Y CN2369454 Y CN 2369454Y
- Authority
- CN
- China
- Prior art keywords
- field effect
- effect transistor
- diode
- magnet ring
- saving lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Rectifiers (AREA)
Abstract
The utility model relates to an energy saving lamp with a ballast without a magnet ring, which comprises a filter and a rectifier, wherein, the rectifier is mutually connected with the input end of a power factor regulator; the output end of the power factor regulator is connected with the input end of a half-bridge power amplifier; the output end of the half-bridge power amplifier is connected with the input end of a driving current limiter; the output end of the driving current limiter is connected with loads. The structure has good basic electrical parameters of each item, and fundamentally solves the problems brought by inconsistent parameters of the magnetic ring to the production of the electronic ballasts. The lifetime of the electronic ballast and the electronic energy-saving lamp is prolonged; the magnetic ring is decreases, which is helpful for the miniaturization of the electronic ballast. Super-miniature integrated energy-saving lamps can be produced.
Description
The utility model provides a kind of electricity-saving lamp, is meant that especially a kind of tool does not have the electricity-saving lamp of magnet ring ballast.
Most known ballast (comprising the integrated electric electricity-saving lamp) all is to adopt current limit by inductance, the mode that magnet ring three utmost points drive at present.Because the consistency too poor (homemade magnet ring permeability error is positive and negative 25%) of magnet ring.Around three groups of coils (elementary one group, secondary two groups), then produce different drive currents on a collection of magnet ring.Drive current is excessive, flows through the electric current growth at double of power tube, is easy to cause power tube to damage; Drive current is too small, and when civil power was low slightly, lamp will flash can't operate as normal.Therefore, in electric ballast production process, the magnet ring parameter is inconsistent, usually causes the inconsistent and a large amount of waster of product parameters.So the problem of magnet ring is perplexing the production firm of electric ballast and electronic energy-saving lamp always.
For overcoming above-mentioned shortcoming, main purpose of the present utility model is providing a kind of tool not have the electricity-saving lamp of magnet ring ballast.
An of the present utility model purpose is at the electricity-saving lamp that provides a kind of tool not have the magnet ring ballast, and it also has the advantage of more compact structure simultaneously except the advantage with no magnet ring.
Based on this, tool provided by the utility model does not have the electricity-saving lamp of magnet ring ballast, it is characterized in that, comprising rectifier filter is arranged, this rectifier filter is connected with the input of power factor regulator, the output termination half-bridge power amplifier input terminal of this power factor regulator, the output termination of this half-bridge power amplifier drives the input of flow restricter, and this drives the output termination load of flow restricter.
Its median filter comprises an inductance, 1 end of a termination bridge rectifier of this inductance, and an electric capacity is in parallel with 1 end and 3 ends of bridge rectifier.
Wherein power factor regulator comprises two diodes, this two diodes series connection, and wherein the negative terminal of a diode connects 4 ends of bridge rectifier, and the positive termination load of another diode connects 2 ends of bridge rectifier by an electric capacity between this two diode.
Wherein the half-bridge power amplifier comprises two field effect transistor M1, M2, the one source pole of this two field effect transistor and a drain electrode are joined, and be connected to the negative pole of a diode, the positive pole of this diode passes through 4 ends of the series connection of two resistance to bridge rectifier, the positive pole of this diode is connected to 2 ends of bridge rectifier again by an electric capacity, the positive pole of this diode is connected to the grid of field effect transistor M2 by a two-way diode, the source electrode of field effect transistor M2 connects 2 ends of bridge rectifier, is parallel with resistance and electric capacity between the source electrode of field effect transistor M1 and the drain electrode.
Wherein drive flow restricter and comprise a load transformer, a connect inductance and resistance of its 1 end is connected to the grid of field effect transistor M1,2 are connected to the drain electrode of field effect transistor M1, a connect inductance and resistance of 3 ends connects the grid of field effect transistor M2,2 ends of 4 termination bridge rectifiers are parallel with a voltage stabilizing didoe, also in parallel with an electric capacity by a resistance respectively between the grid of this field effect transistor M1, M2 and the source electrode.
Wherein load comprises a fluorescent tube, and the two ends of this fluorescent tube connect by an electric capacity, and another contact of this fluorescent tube is connected with 5 ends of load transformer, and another contact of this fluorescent tube other end is connected to the drain electrode of field effect transistor M1 by an electric capacity.
Other purposes of the present utility model and function can be easier to understand by after cooperating following graphic being described in further detail, wherein:
Fig. 1 is a circuit structure diagram of the present utility model;
Fig. 2 is the object construction figure after the utility model assembling;
At first see also shown in Figure 1ly, be structure chart of the present utility model.Comprising rectifier filter 10 is arranged, this rectifier filter 10 is connected with the input of power factor regulator 20, the input of the output termination half-bridge power amplifier 30 of this power factor regulator 20, the output termination of this half-bridge power amplifier 30 drives the input of flow restricter 40, and this drives the output termination load 50 of flow restricter 40.
Wherein rectifier filter 10 comprises an inductance L 4,1 end of a termination bridge rectifier B1 of this inductance L 4, and a capacitor C 4 is in parallel with 1 end and 3 ends of bridge rectifier B1.
Wherein power factor regulator 20 comprises two diode D2, D3, these two diode D2, D3 series connection, wherein the negative terminal of a diode D2 connects 4 ends of bridge rectifier B1, the positive termination load 50 of another diode D3 connects 2 ends of bridge rectifier B1 by an electric capacity E1 between this two diode D2, the D3.
Wherein half-bridge power amplifier 30 comprises two field effect transistor M1, M2, this two field effect transistor M1, the one source pole of M2 and a drain electrode are joined, and be connected to the negative pole of a diode D1, the positive pole of this diode D1 is by two resistance R 2, the series connection of R1 is to 4 ends of bridge rectifier B1, the positive pole of this diode D1 is connected to 2 ends of bridge rectifier B1 again by a capacitor C 3, the positive pole of this diode D1 is connected to the grid of field effect transistor M2 by a two-way diode DB, the source electrode of field effect transistor M2 connects 2 ends of bridge rectifier B1, is parallel with a resistance R 5 and capacitor C 7 between the source electrode of field effect transistor M1 and the drain electrode.
Wherein drive flow restricter 40 and comprise a load transformer T, a connect inductance L 1 and resistance R 3 of its 1 end is connected to the grid of field effect transistor M1,2 are connected to the drain electrode of field effect transistor M1, a connect inductance L 2 and resistance R 4 of 3 ends connects the grid of field effect transistor M2,2 ends of 4 termination bridge rectifier B1 are parallel with a voltage stabilizing didoe Z1, Z2, and in parallel by resistance R 3, R4 and capacitor C 1, C2 respectively between the grid of this field effect transistor M1, M2 and the source electrode.
Wherein load 50 comprises a fluorescent tube 51, and the two ends of this fluorescent tube 51 connect by a capacitor C 6, and another contact of this fluorescent tube 51 is connected with 5 ends of load transformer T, and another contact of these fluorescent tube 51 other ends is connected to the drain electrode of field effect transistor M1 by a capacitor C 5.
The course of work of the present utility model is:
Inductance L 4 and capacitor C 4 are to suppress the filter element of Harmonic Interference among Fig. 1, prevent that the high-frequency signal in the ballast from entering electrical network, also stop the spurious signal in the electrical network to enter ballast.Civil power (220V) enters bridge rectifier B1 after inductance L 4 and capacitor C 4 filtering, 50Hz is become direct current to the 220V alternating current.Filter capacitor E1 negativing ending grounding, positive terminating diode D2, diode D2 connects positive pole 4 ends of bridge rectifier B1; Connect the interface point of capacitance C5 and fluorescent tube 51 filaments by diode D3.This connection, the output voltage that makes bridge rectifier B1 are not straight line when diode D2 short circuit (conventional, its magnitude of voltage is 310V), but the stack of DC component and a 100Hz " steamed bun " waveform, about the about 200V of effective value.Filter capacitor E1 and diode D2, diode D3 have constituted the reaction type power factor and have adjusted circuit.He can make circuit power factor greater than 0.95, and total harmonic distortion is less than 20%.Supply voltage gives capacitor C 3 chargings by resistance R 1, resistance R 2, and the puncture that helps resisting high-frequency signal is used in resistance R 1, resistance R 2 series connection.When the magnitude of voltage of capacitor C 3 reached the conduction value of bidirectional diode DB, a pulse voltage was added to the grid of field effect transistor (VDMOS) M2, makes it conducting.Electric current forms a path through two groups of filament C6, load transformer T, the field effect transistor M2 of capacitor C 5 fluorescent tubes 51.2 ends of load transformer T directly drive field effect transistor M2 and form positive feedback.Energy-storage travelling wave tube inductance, electric capacity electric current in charging process must change, in case change, the secondary voltage polarity of load transformer T necessarily changes thereupon ends M2, M1 conducting, and a discharge path of formation energy-storage travelling wave tube.This is again a regenerative circuit, will make field effect transistor M1, M2 take turns conducting and ending, and produces the high-frequency signal of the excitation fluorescent tube about 40KHz.Z1, Z2 are the voltage stabilizing didoe of two protection grids.Simultaneously, during the change in polarity of secondary coil, also can pass through resistance R 3, inductance L 1 respectively, resistance R 4, inductance L 2 form path.Inductance L 1, capacitor C 1, inductance L 2, capacitor C 2 are two resonant circuits in the secondary loop.Change its value, can change frequency of oscillation, should and this " load transformer " main resonant circuit elementary and that capacitor C 6 is formed be complementary, just can make whole ballast work get reliable and stable.Diode D1 is the electric charge that bleeds off when field effect transistor M2 conducting in the capacitor C 3, to finish the effect of start-up circuit.
Advantage of the present utility model has:
1, removing magnet ring has for the basic electrical quantity such as the power factor of electric ballast, power Good impact does not have impact to electrical quantitys such as crest ratios.
2, fundamentally solved inconsistent electric ballast and the integrated electronic energy-saving given of magnet ring parameter Lamp production brings problem. Improved the uniformity of electric ballast and electronic energy-saving lamp electrical quantity with reliable Property has prolonged life-span of electric ballast and electronic energy-saving lamp.
3, reduce the favourable electric ballast miniaturization of magnet ring, it is energy-conservation to produce ultra-small integrated Lamp.
Claims (6)
1. a tool does not have the electricity-saving lamp of magnet ring ballast, it is characterized in that, comprising rectifier filter is arranged, this rectifier filter is connected with the input of power factor regulator, the output termination half-bridge power amplifier input terminal of this power factor regulator, the output termination of this half-bridge power amplifier drives the input of flow restricter, and this drives the output termination load of flow restricter.
2. do not have the electricity-saving lamp of magnet ring ballast according to the described a kind of tool of claim 1, it is characterized in that wherein rectifier filter comprises an inductance, 1 end of a termination bridge rectifier of this inductance, an electric capacity is in parallel with 1 end and 3 ends of bridge rectifier.
3. the electricity-saving lamp that does not have the magnet ring ballast according to the described a kind of tool of claim 1, it is characterized in that, wherein power factor regulator comprises two diodes, these two diode series connection, wherein the negative terminal of a diode connects 4 ends of bridge rectifier, the positive termination load of another diode connects 2 ends of bridge rectifier by an electric capacity between this two diode.
4. the electricity-saving lamp that does not have the magnet ring ballast according to the described a kind of tool of claim 1, it is characterized in that, wherein the half-bridge power amplifier comprises two field effect transistor M1, M2, the one source pole of this two field effect transistor and a drain electrode are joined, and be connected to the negative pole of a diode, the positive pole of this diode passes through 4 ends of the series connection of two resistance to bridge rectifier, the positive pole of this diode is connected to 2 ends of bridge rectifier again by an electric capacity, the positive pole of this diode is connected to the grid of field effect transistor M2 by a two-way diode, the source electrode of field effect transistor M2 connects 2 ends of bridge rectifier, is parallel with resistance and electric capacity between the source electrode of field effect transistor M1 and the drain electrode.
5. the electricity-saving lamp that does not have the magnet ring ballast according to the described a kind of tool of claim 1, it is characterized in that, wherein drive flow restricter and comprise a load transformer, a connect inductance and resistance of its 1 end is connected to the grid of field effect transistor M1,2 are connected to the drain electrode of field effect transistor M1, a connect inductance and resistance of 3 ends connects the grid of field effect transistor M2, and 2 ends of 4 termination bridge rectifiers are parallel with a voltage stabilizing didoe, and in parallel with electric capacity by a resistance respectively between the grid of this field effect transistor M1, M2 and the source electrode.
6. the electricity-saving lamp that does not have the magnet ring ballast according to the described a kind of tool of claim 1, it is characterized in that, wherein load comprises a fluorescent tube, the two ends of this fluorescent tube connect by an electric capacity, 5 sections of another contact of this fluorescent tube and load transformer are connected, and another contact of this fluorescent tube other end is connected to the drain electrode of field effect transistor M1 by an electric capacity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99211363 CN2369454Y (en) | 1999-05-28 | 1999-05-28 | Energy saving lamp with ballast without magnet ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99211363 CN2369454Y (en) | 1999-05-28 | 1999-05-28 | Energy saving lamp with ballast without magnet ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2369454Y true CN2369454Y (en) | 2000-03-15 |
Family
ID=34004327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99211363 Expired - Fee Related CN2369454Y (en) | 1999-05-28 | 1999-05-28 | Energy saving lamp with ballast without magnet ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2369454Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2015617A2 (en) | 2007-07-13 | 2009-01-14 | Mass Technology (H.K.) Ltd. | Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employing the same |
| CN102573178A (en) * | 2010-12-15 | 2012-07-11 | 成都蜀昌科技有限公司 | Universal voltage-stabilizing power supply for LED (light-emitting diode) lighting energy-saving lamp |
| CN104218837A (en) * | 2013-06-03 | 2014-12-17 | 英飞凌科技奥地利有限公司 | Methods and Systems for Converting a DC-Voltage to an AC-Voltage |
-
1999
- 1999-05-28 CN CN 99211363 patent/CN2369454Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2015617A2 (en) | 2007-07-13 | 2009-01-14 | Mass Technology (H.K.) Ltd. | Electronic ballasts without toroidal-magnetic-core and fluorescent lamps employing the same |
| CN102573178A (en) * | 2010-12-15 | 2012-07-11 | 成都蜀昌科技有限公司 | Universal voltage-stabilizing power supply for LED (light-emitting diode) lighting energy-saving lamp |
| CN104218837A (en) * | 2013-06-03 | 2014-12-17 | 英飞凌科技奥地利有限公司 | Methods and Systems for Converting a DC-Voltage to an AC-Voltage |
| CN104218837B (en) * | 2013-06-03 | 2017-04-12 | 英飞凌科技奥地利有限公司 | Methods and Systems for Converting a DC-Voltage to an AC-Voltage |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1600048A (en) | High power factor electronic ballast with lossless switching | |
| CN1348676A (en) | High power electronic ballast with an integrated magnetic component | |
| CN105764223A (en) | High-efficiency full-bridge mode large-power HID electronic ballast | |
| CN201388308Y (en) | Working power supply circuit for microwave oven | |
| CN201860500U (en) | Electronic ballast for fluorescent lamp | |
| CN201319691Y (en) | Ballast for electricity-saving lamp | |
| CN2369454Y (en) | Energy saving lamp with ballast without magnet ring | |
| CN2414584Y (en) | One electronic ballast capable of driving many fluorescent lamps | |
| CN2689562Y (en) | PFC circuit with harmonic inhibiting function | |
| CN211183825U (en) | High-power-factor AC/DC converter of symmetrical charge pump | |
| CN2514619Y (en) | Electronic ballast for fluorescent lamp | |
| CN2384396Y (en) | Ballast with multiple electronic | |
| CN1125530C (en) | Power factor modifying circuit | |
| CN2267605Y (en) | High frequency induction current stabilizing modulation type electronic ballast | |
| CN2271089Y (en) | Low harmonic electronic ballast | |
| CN2870379Y (en) | Electronic ballast for fluorescent lamp | |
| CN2733737Y (en) | AC/DC power adapter | |
| CN2543321Y (en) | Low-cost electronic ballast for high-intensity gas discharge lamp | |
| CN2899381Y (en) | Electronic ballast of high-intensity discharging light | |
| CN2131247Y (en) | Power inverter with duplex rectifying circuit | |
| CN2268332Y (en) | High-efficiency reliable emergency fluorescent lamp | |
| CN2361052Y (en) | Integrated multi-lamp system electronic energy saving lamp | |
| CN2405393Y (en) | Digital ballast | |
| CN2222991Y (en) | Electronic ballast with special power supply filter circuit | |
| CN2240825Y (en) | High-quality quick action electronic ballast |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |