CN203859899U - Replacing device employing fluorescent lamp electronic ballast to drive LED lamp - Google Patents
Replacing device employing fluorescent lamp electronic ballast to drive LED lamp Download PDFInfo
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- CN203859899U CN203859899U CN201420114736.7U CN201420114736U CN203859899U CN 203859899 U CN203859899 U CN 203859899U CN 201420114736 U CN201420114736 U CN 201420114736U CN 203859899 U CN203859899 U CN 203859899U
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- 238000004020 luminiscence type Methods 0.000 claims description 42
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 8
- 230000005669 field effect Effects 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 8
- 239000010703 silicon Substances 0.000 claims description 8
- 230000000087 stabilizing effect Effects 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 4
- 239000007858 starting material Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 238000005286 illumination Methods 0.000 abstract description 4
- 239000004065 semiconductor Substances 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
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- 238000004134 energy conservation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
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- 229910052753 mercury Inorganic materials 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model discloses a replacing device employing a fluorescent lamp electronic ballast to drive an LED lamp. The replacing device comprises a fluorescent lamp filament equivalent circuit, a rectification filtering circuit of a ballast output voltage, a delay control circuit used for controlling on and off of an LED light emitting assembly, and the LED light emitting assembly which is matched with a fluorescent lamp in power and specification. The replacing device is suitable for directly replacing fluorescent lamps driven by electronic ballasts in various types of an instantaneous start type, a rapid start type or a programming start type. The replacing device has advantages of simple structure, reliable operation and high conversion efficiency and is a more energy-saving and more environmental-friendly approach for LED illumination.
Description
Technical field
The present invention relates to a kind of illumination application, particularly a kind of alternative with electronic ballast for fluoresent lamp driving LED lamp.
Background technology
Semiconductor light-emitting-diode LED, as desirable green light source, has the long-life, energy saving, and rich color, colorimetric purity is high, is easy to brightness adjusting, and antidetonation is shock-resistant, and volume is small and exquisite, is easy to form distinguishing feature and the advantages such as point, line, surface illumination group combined lamps.LED spectrum, without infrared ray, ultraviolet radiation, more pollutes without the mercury poison of fluorescent lamp.LED is as desirable green light source, more in widespread attention, has obtained especially development at full speed since in recent years.
The fluorescent lighting lamp that semi-conductive LED lighting substitutes low pressure gaseous discharge has been a kind of trend.Gone out specially the LED driver of numerous types for the feature development of LED device, and form panoramic illuminating lamp together with LED device, comprising with the LED lamp of conventional fluorescent appearance similar, be arranged on and on existing florescent lamp fitting, form new LED lighting.People do not abandon directly utilizing yet and drive the ballast of fluorescent lamp to carry out the effort that driving LED luminescence component is transformed existing fluorescent lighting lamp.
Drive the ballast of fluorescent lamp of a great variety, substantially have Inductive ballast and electric ballast two classes.In electric ballast, according to the difference that starts fluorescent lamp mode, there is again fluorescent tube to start and light before the not instantaneous starting type electric ballast to filament pre-heating; Start the quick-starting direct electric ballast to filament pre-heating and programming actuated type electric ballast before lighting.Dissimilar ballast has different starting characteristics and operating characteristic, and ballast has very strong specific aim to fluorescent lamp.Same type is for the ballast of same fluorescent lamp, have again drive single lamp with the ballasts that drive many lamps; Drive the ballast of many lamps, the difference that has again fluorescent tube to be connected in parallel and be connected in series.There is at present the LED luminescence component of the replacement fluorescent lamp that is only applicable to instantaneous starting type electric ballast, the high-frequency ac voltage of ballast output is done after simple rectifying and wave-filtering, as the constant current drive source of LED luminescence component.The LED driving power of the disclosed a kind of compatible electronic ballast of application number CN201210055977.4, comprise the high pressure absorbing circuit of the output voltage that absorbs electric ballast, the high pressure startup stage of by electric ballast absorbs, and avoids its inflow and damage late-class circuit.The LED fluorescent tube of the disclosed compatible electronic ballast of application number CN201220561087.6 and LED fluorescent lamp, also be the input parallel high voltage absorbing circuit at LED fluorescent tube driving circuit, absorb the high pressure that electric ballast output produces, realize the compatibility to electric ballast.Their shortcoming is that circuit is more complicated, and the reliability of absorbing circuit is low.The LED fluorescent lamp of the disclosed electronic ballast-type of application number CN201110152253.7, by the above excessive electric current of a pair of fuse blocking-up setting, make filament by two inductors, bridge diode converts the AC driving power of input to the DC driving power of LED fluorescent lamp, and its shortcoming is that the scope of application is little.The driving circuit device of the disclosed a kind of LED fluorescent tube of application number CN201010234460.2, comprises a high frequency magnetic core isolating transformer, with rectifier bridge and high frequency capacitance parallel drive LED lamp string.Its shortcoming is that conversion efficiency is low.The ballast using original driving fluorescent lamp that the present invention proposes is as the drive source of LED luminescence component, directly replace fluorescent lamp with the LED lamp mainly being formed by LED luminescence component, can be suitable for the LED lamp alternative of the fluorescent lamp of various types of ballasts, have simple in structure, reliable operation, is not subject to the restriction of electronic ballast-type, conversion efficiency advantages of higher, more energy-conservation for promoting, more the LED of environmental protection illumination provides a kind of simple and direct approach.
Summary of the invention
Technical problem to be solved by this invention is: the drive source using the ballast of original driving fluorescent lamp as LED luminescence component, directly replace fluorescent lamp with the LED lamp mainly being formed by LED luminescence component, can be suitable for the LED lamp alternative of the fluorescent lamp of various types of ballasts.
Technical scheme of the present invention is: by the output of electric ballast, connect filament equivalent electric circuit, the output of the silk such as lamp equivalent electric circuit, connect current rectifying and wave filtering circuit, the output of current rectifying and wave filtering circuit, connection delay control circuit, the output of delay control circuit, connects LED luminescence component; Described filament equivalent electric circuit, current rectifying and wave filtering circuit, delay control circuit are arranged on to two ends respectively in the Transparent lamp tube with two standard fluorescence lamp bases, full-length, are integrated into the LED lamp alternative of the fluorescent lamp that an electric ballast drives.
Described filament equivalent electric circuit, be connected to electric ballast output and be connected to the lamp holder pin terminal P1 that lamp socket pin is mutual corresponding, P2 and P3, on P4, filament equivalent resistance R1 and capacitor C 1 are attempted by pin P1, and P2 is upper, and filament equivalent resistance R2 and capacitor C 2 are attempted by pin P3, P4 is upper, and the output of described filament equivalent electric circuit is connected with bridge rectifier filter circuit.
Described bridge rectifier filter circuit is by rectifier diode D1, D2, and the bridge-type ballast of D3 and D4 composition and filter capacitor C3 composition, be transformed to the high frequency ac signal of ballast the low ripple DC level of driving LED luminescence component.
Described delay control circuit, by a switching circuit, postpone segment filament warm-up time, only when ballast output fluorescent lamp starter high voltage arrive and after ballast normal work period, the VD of current rectifying and wave filtering circuit is just elevated to the valve voltage of switching circuit, turn on-switch circuit, is applied to LED luminescence component, lightening LED lamp.
The switching circuit of described delay control circuit, it is the control utmost point of the direct current output of current rectifying and wave filtering circuit being received after divider resistance R3 and R4 dividing potential drop to switching tube Q through voltage lifting diode D5, the break-make of control switch pipe Q, the output stage of switching tube Q connects the negative pole of LED luminescence component, LED luminescence component is attempted by the load resistance R5 of switching tube Q, and the positive pole of LED luminescence component is connected with the positive output end of the VD of current rectifying and wave filtering circuit.
Described LED luminescence component is by different power of lamp tube and colourity specification, selects the single cluster of lamps, ornamental group being connected in series by multiple LED core grains or is composed in parallel by multiple single cluster of lamps, ornamental groups.
The bridge-type ballast of described bridge rectifier filter circuit composition is discrete rectifier diode D1, D2, and D3 and D4, can be also a rectifier bridge stack.
Described switching tube Q can be both silicon-controlled device, can be also bipolar transistor or field-effect transistor.
It can be bidirectional trigger diode that described voltage promotes diode D5, or voltage stabilizing didoe.
The invention has the advantages that, compare with the LED lamp of built-in driving power, the present invention has lower manufacturing cost with the alternative of electronic ballast for fluoresent lamp driving LED lamp, when to existing light fixture transformation, has saved the artificial and Master Cost that track remodelling produces.With existing can be with compared with the technology of the direct driving LED lamp of ballast, have and form simply, conversion efficiency is high, and can adapt to various types of electric ballasts.
Brief description of the drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Number in the figure explanation
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Embodiment
Refer to shown in accompanying drawing, the utility model is by the output of electric ballast, connect a pair of filament equivalent electric circuit 10, the output of the silk such as lamp equivalent electric circuit 10, connect current rectifying and wave filtering circuit 20, the output of current rectifying and wave filtering circuit 20, connection delay control circuit 30, the output of delay control circuit 30, connects LED luminescence component 40; Described filament equivalent electric circuit 10, current rectifying and wave filtering circuit 20, delay control circuit 30, LED luminescence component 40 are arranged on to two ends respectively in the Transparent lamp tube with two standard fluorescence lamp bases, full-length, are integrated into the LED lamp alternative of the fluorescent lamp that an electric ballast drives.
Described filament equivalent electric circuit 10, be connected to electric ballast output and be connected to the lamp holder pin terminal P1 that lamp socket pin is corresponding, P2 and P3, on P4, filament equivalent resistance R1 and capacitor C 1 are attempted by pin P1, and P2 is upper, and filament equivalence R2 and capacitor C 2 are attempted by pin P1, P2 is upper, and the output of described filament equivalent electric circuit 10 is connected with bridge rectifier filter circuit 20.
Described bridge rectifier filter circuit 20 is by rectifier diode D1, D2, and the bridge-type ballast of D3 and D4 composition and filter capacitor C3 composition, be transformed to the high frequency ac signal of ballast the low ripple DC level of driving LED luminescence component 40.
Described delay control circuit 30, by a switching circuit, postpone segment filament warm-up time, only when ballast output fluorescent lamp starter high voltage arrive and after ballast normal work period, the VD of current rectifying and wave filtering circuit 20 is just elevated to the valve voltage of switching circuit, turn on-switch circuit, is applied to LED luminescence component 40, lightening LED lamp.
The switching circuit of described delay control circuit 30, it is the control utmost point of the direct current output of current rectifying and wave filtering circuit 20 being received after divider resistance R3 and R4 dividing potential drop to switching tube Q through voltage lifting diode D5, the break-make of control switch pipe Q, the output stage of switching tube Q connects the negative pole of LED luminescence component, LED luminescence component is attempted by that the load resistance R5 of switching tube Q is upper, driving voltage anode that the positive pole of LED luminescence component 40 is exported with current rectifying and wave filtering circuit 20+be connected.
Described LED luminescence component 40 is by different power of lamp tube and colourity specification, selects the single cluster of lamps, ornamental group being connected in series by multiple LED particles or is composed in parallel by multiple single cluster of lamps, ornamental groups.
The bridge-type ballast that described bridge rectifier filter circuit 20 forms is discrete rectifier diode D1, D2, and D3 and D4, can be also a rectifier bridge stack.
Described switching tube Q can be both silicon-controlled device, can be also bipolar transistor or field-effect transistor.
It can be bidirectional trigger diode that described voltage promotes diode D5, or voltage stabilizing didoe.
Further the utility model is described in detail to its course of work below.
Four terminals P 1 of described filament equivalent electric circuit 10 and P2, to be connected to the lamp holder pin terminal that lamp socket pin is corresponding mutually corresponding with electric ballast output respectively for P3 and P4, they will directly be connected with the output of ballast, and formed by the resistance R 1 of the resistance being connected in parallel and the filament resistance equivalence of fluorescent lamp two ends and shunt capacitance C1 and the identical resistance R being connected in parallel 2 and the capacitor C 2 of another group numerical value respectively, in the time that connection does not provide the instantaneous starting type electric ballast of filament pre-heating to fluorescent lamp, filament equivalent resistance is bypassed, when Filament of fluorescent lamp being provided the quick-starting direct of preheating or programmes actuated type electric ballast before connecting tube build-up of luminance, for ballast provides simulation heater chain.
Described current rectifying and wave filtering circuit 20 is by four rectifier diode D1, D2, the bridge rectifier that D3 and D4 form and be connected in the filter capacitor C3 composition on two outputs of bridge rectifier in parallel, will convert the required low ripple constant current direct voltage of driving LED luminescence component D LEDs to from the high frequency ac signal of ballast.
During filament pre-heating before the high voltage of all kinds electric ballast output fluorescent lamp starter that described delay control circuit 30 comes in every shape in output, turn-off being connected between LED luminescence component D LEDs and drive source, voltage divider via divider resistance R3 and the divider resistance R4 being connected in parallel and filter capacitor C4 composition carries out dividing potential drop to the direct voltage of current rectifying and wave filtering circuit output, the normal work period when starting voltage higher than the normal work of fluorescent lamp of only exporting when ballast arrives and afterwards, just promote diode D5 by being connected on point voltage pressing, make semiconductor switch pipe Q1 conducting, the LED luminescence component D LEDs being connected on load resistance R5 obtains normal driving voltage and starts normal work.Described semiconductor switch pipe Q1 can be both silicon-controlled device, can be also bipolar transistor or field-effect transistor.It can be diac that described voltage promotes diode D5, or voltage stabilizing didoe.
Described LED luminescence component D LEDs, by different power of lamp tube and colourity specification, selects the single cluster of lamps, ornamental group being connected in series by single LEDs or composes in parallel luminescence component by multiple single cluster of lamps, ornamental groups.
As shown in Figure 1, electric ballast 1 is by phase line L and the center line N power supply of AC supply voltage Vac, and mains switch K is as the control that turns on and off of electric ballast 1.The output of electric ballast 1 requirement is in accordance with regulations connected on the lamp socket of lamp tube ends, diagram P1 and P2, and P3 and P4 are four pins of LED lamp two ends lamp holder, when inserting after lamp socket, LED lamp is just correctly connected on the output of ballast.
Electric ballast 1 can be any type can light by specification requirement the ballast of the normal work of fluorescent lamp, can be both instantaneous starting type electric ballast, can be also quick-starting direct or programming actuated type electric ballast; Both can be the electric ballast that drives single lamp, can be also the electric ballast that drives many lamps series system or many lamps parallel way.
The alternative 2 of electronic ballast for fluoresent lamp driving LED lamp of using of the present invention is by filament equivalent electric circuit 10, current rectifying and wave filtering circuit 20, delay control circuit 30 and LED luminescence component 40 4 part compositions, and be installed in two ends respectively in the Transparent lamp tube with two standard fluorescence lamp bases, nominal length, to be integrated into the LED lamp alternative of the fluorescent lamp that an electric ballast drives.
Four terminals P 1 of described filament equivalent electric circuit 10 and P2, P3 and P4 receive respectively on the each a pair of lamp base of lamp tube ends, and they will directly be connected with the output of ballast.One end of the resistance R 1 of resistance and Filament of fluorescent lamp equivalent resistance and one end of shunt capacitance C1 are connected together, and are connected to pin terminal P1; The other end of filament equivalent resistance R1 and the other end of shunt capacitance C1 are connected together, and are connected to pin terminal P2, and link together with the common junction of the positive pole of rectifier diode D2 and the negative pole of rectifier diode D4 again.One end of resistance R 2 and one end of shunt capacitance C2 of another group resistance and Filament of fluorescent lamp equivalent resistance are connected together, and are connected to pin terminal P3; The other end of filament equivalent resistance R2 and the other end of shunt capacitance C2 are connected together, and are connected to pin terminal P4, and link together with the common junction of the positive pole of rectifier diode D1 and the negative pole of rectifier diode D3 again.In the time of instantaneous starting type electric ballast, filament equivalent resistance R1 and R2 are by auto by pass, in the time of quick-starting direct or programming actuated type electric ballast, filament equivalent electric circuit, for ballast provides simulation heater chain, makes them can complete warm-up phase and is entered fluorescent tube to start and normal work stage.
The output of described current rectifying and wave filtering circuit 20 is driving voltage anode+and commutating voltage low side G.One end of the negative pole of rectifier diode D1 and D2 and filter capacitor C3 links together, for driving voltage anode+.The other end of the positive pole of rectifier diode D3 and D4 and filter capacitor C3 links together, and is commutating voltage low side G.Under the condition that the capacity of filter capacitor C3 allows at volume, strengthen, to reduce the ripple harmful to driving LED as far as possible.
Divider resistance R3 in described delay control circuit 30 and R4 be connected in parallel driving voltage anode+and commutating voltage low side G between.Be connected on branch pressure voltage extract point on A except each one end of divider resistance R3 and R4, be also connected with one end of filter capacitor C4 and the negative pole of voltage lifting diode D5.The other end of the other end of filter capacitor C4 and divider resistance R4 is connected on commutating voltage low side G.The control utmost point G of the positive pole that voltage promotes diode D5 when being illustrated as controllable silicon and making semiconductor switch pipe Q1 is connected.The negative electrode K of semiconductor switch pipe Q1 is also connected on commutating voltage low side G.The voltage ratio of divider resistance R3 and R4, voltage promotes the voltage lifting values of diode D5, should meet the startup high pressure of lighting at the startup fluorescent tube of ballast output and exceed setting voltage value time, the semiconductor switch pipe Q1 conducting that is just triggered.Driving voltage anode+and the anode A of semiconductor switch pipe Q1 be driving voltage negative terminal-between, connect load resistance R5.
LED luminescence component DLEDs and load resistance R5 are connected in parallel, by corresponding polarity, and anodal and driving voltage anode+be connected, the negative pole utmost point and driving voltage negative terminal-be connected.
Voltage promotes diode D5 can use bidirectional trigger diode or the voltage stabilizing didoe that voltage is suitable.And semiconductor switch pipe Q1 is also not limited only to controllable silicon, bipolar transistor or field effect transistor are also operable.The control grid of the emitter of bipolar transistor or field effect transistor is corresponding with SCR control utmost point G, the collector electrode of bipolar transistor or the drain electrode of field effect transistor are corresponding with controllable silicon control anode A, and the emitter of bipolar transistor or the source electrode of field effect transistor are corresponding with silicon controlled negative electrode K.
Because the operating state of various types of ballasts before startup fluorescent tube is lighted has very big-difference, described delay control circuit in the present invention, before ballast startup fluorescent tube is lighted, make semiconductor switch pipe Q1 in cut-off state, LED luminescence component D LEDs is in wait state; When the startup high pressure of lighting at the startup fluorescent tube of ballast output exceedes setting voltage, the semiconductor switch pipe Q1 conducting that is triggered, the electric current that flows through high value load resistance R5 driving voltage anode+and driving voltage negative terminal-between the voltage that produces be applied on LED luminescence component D LEDs simultaneously, LED luminescence component D LEDs is lighted.In ballast normal work period, keep semiconductor switch pipe Q1 conducting, in view of the constant current output characteristic of ballast, LED luminescence component D LEDs continues to obtain constant-current driving power supply from current rectifying and wave filtering circuit.
LED luminescence component D LEDs is in parallel and is formed by some groups of lamp strings that are in series by single LEDs.Single LEDs specification, the LED amounts of particles that each lamp string is connected, and the quantity of the parallel lamp string of composition LED luminescence component D LEDs is that the fluorescent lamp specification of replacing according to alternative wish is determined.
Claims (9)
1. the alternative with electronic ballast for fluoresent lamp driving LED lamp, it is characterized in that, this device is by the output of electric ballast, connect filament equivalent electric circuit, the output of the silk such as lamp equivalent electric circuit, connects current rectifying and wave filtering circuit, the output of current rectifying and wave filtering circuit, connection delay control circuit, the output of delay control circuit, connects LED luminescence component; Described filament equivalent electric circuit, current rectifying and wave filtering circuit, delay control circuit are arranged on to two ends respectively in the Transparent lamp tube with two standard fluorescence lamp bases, full-length, are integrated into the LED lamp alternative of the fluorescent lamp that an electric ballast drives.
2. by the alternative with electronic ballast for fluoresent lamp driving LED lamp claimed in claim 1, it is characterized in that, described filament equivalent electric circuit, is connected to electric ballast output and is connected to the lamp holder pin terminal P1 that lamp socket pin is mutual corresponding, P2 and P3, on P4, filament equivalent resistance R1 and capacitor C 1 are attempted by pin P1, and P2 is upper, and filament equivalence R2 and capacitor C 2 are attempted by pin P3, P4 is upper, and the output of described filament equivalent electric circuit is connected with bridge rectifier filter circuit.
3. by the alternative with electronic ballast for fluoresent lamp driving LED lamp claimed in claim 1, it is characterized in that, described current rectifying and wave filtering circuit is by rectifier diode D1, D2, bridge-type ballast and the filter capacitor C3 of D3 and D4 composition form, and the high frequency ac signal of ballast are transformed to the low ripple DC level of driving LED luminescence component.
4. by the alternative with electronic ballast for fluoresent lamp driving LED lamp claimed in claim 1, it is characterized in that, described delay control circuit, by a switching circuit, postpone segment filament warm-up time, only when the arrival of ballast output fluorescent lamp starter high voltage and after ballast normal work period, the VD of current rectifying and wave filtering circuit is just elevated to the valve voltage of switching circuit, turn on-switch circuit, is applied to LED luminescence component, lightening LED lamp.
5. by the alternative with electronic ballast for fluoresent lamp driving LED lamp claimed in claim 4, it is characterized in that, the switching circuit of described delay control circuit, it is the control utmost point of the direct current output of current rectifying and wave filtering circuit being received after divider resistance R3 and R4 dividing potential drop to switching tube Q through voltage lifting diode D5, the break-make of control switch pipe Q, the output stage of switching tube Q connects the negative pole of LED luminescence component, LED luminescence component is attempted by the load resistance R5 of switching tube Q, and the positive pole of LED luminescence component is connected with the positive output end of the VD of current rectifying and wave filtering circuit.
6. by the alternative with electronic ballast for fluoresent lamp driving LED lamp claimed in claim 1, it is characterized in that, described LED luminescence component is by different power of lamp tube and colourity specification, selects the single cluster of lamps, ornamental group being connected in series by multiple LED particles or is composed in parallel by multiple single cluster of lamps, ornamental groups.
7. the alternative with electronic ballast for fluoresent lamp driving LED lamp according to claim 3, it is characterized in that: the bridge-type ballast of described bridge rectifier filter circuit composition is discrete rectifier diode D1, D2, D3 and D4, can be also a rectifier bridge stack.
8. the alternative with electronic ballast for fluoresent lamp driving LED lamp according to claim 5, is characterized in that: described switching tube Q can be both silicon-controlled device, can be also bipolar transistor or field-effect transistor.
9. the alternative with electronic ballast for fluoresent lamp driving LED lamp according to claim 5, is characterized in that: it can be bidirectional trigger diode that described voltage promotes diode D5, or voltage stabilizing didoe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420114736.7U CN203859899U (en) | 2014-03-14 | 2014-03-14 | Replacing device employing fluorescent lamp electronic ballast to drive LED lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420114736.7U CN203859899U (en) | 2014-03-14 | 2014-03-14 | Replacing device employing fluorescent lamp electronic ballast to drive LED lamp |
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| CN201420114736.7U Expired - Fee Related CN203859899U (en) | 2014-03-14 | 2014-03-14 | Replacing device employing fluorescent lamp electronic ballast to drive LED lamp |
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| CN105188188A (en) * | 2015-08-06 | 2015-12-23 | 上海阿卡得电子有限公司 | Arc prevention circuit of LED lamp tube |
| CN105465642A (en) * | 2014-09-28 | 2016-04-06 | 嘉兴山蒲照明电器有限公司 | Light-emitting diode lamp tube and emergency lighting device |
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| US11686457B2 (en) | 2014-09-28 | 2023-06-27 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US11519567B2 (en) | 2014-09-28 | 2022-12-06 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
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| CN105465642B (en) * | 2014-09-28 | 2023-12-26 | 嘉兴山蒲照明电器有限公司 | LED lamp tube and emergency lighting lamp device |
| US12173855B2 (en) | 2014-09-28 | 2024-12-24 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| US12104754B2 (en) | 2014-09-28 | 2024-10-01 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp and a power supply module thereof |
| CN105465642A (en) * | 2014-09-28 | 2016-04-06 | 嘉兴山蒲照明电器有限公司 | Light-emitting diode lamp tube and emergency lighting device |
| US12085263B2 (en) | 2014-09-28 | 2024-09-10 | Jiaxing Super Lighting Electric Appliance Co., Ltd | LED tube lamp |
| WO2016112538A1 (en) * | 2015-01-16 | 2016-07-21 | 邓树兴 | Electronic substitution-type double-end straight-tube led lamp and safety protection circuit thereof |
| CN107211498A (en) * | 2015-02-03 | 2017-09-26 | 飞利浦照明控股有限公司 | Filament unit for retrofitting LED tubes |
| US11754232B2 (en) | 2015-03-10 | 2023-09-12 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED lamp and power source module thereof related applications |
| US12092272B2 (en) | 2015-03-10 | 2024-09-17 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| US11543086B2 (en) | 2015-03-10 | 2023-01-03 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| CN106413213A (en) * | 2015-08-03 | 2017-02-15 | 常州明石晶电科技有限公司 | Starting system for LED lighting device and LED lighting device |
| CN105188188A (en) * | 2015-08-06 | 2015-12-23 | 上海阿卡得电子有限公司 | Arc prevention circuit of LED lamp tube |
| US11441742B2 (en) | 2015-12-09 | 2022-09-13 | Jiaxing Super Lighting Electric Appliance Co., Ltd. | LED tube lamp |
| CN109315039B (en) * | 2016-04-29 | 2021-07-06 | 硅山有限公司 | Ballast-Independent Retrofit LED Lamp with Flicker Reduction Circuitry |
| CN109315039A (en) * | 2016-04-29 | 2019-02-05 | 硅山有限公司 | Ballast-Independent Retrofit LED Lamp with Flicker Reduction Circuitry |
| WO2018023490A1 (en) * | 2016-08-03 | 2018-02-08 | 袁志贤 | Startup control circuit for led lights |
| CN108430129B (en) * | 2017-02-14 | 2020-10-09 | 朗德万斯公司 | LED lamp for placing in a fluorescent lamp fixture |
| CN108430129A (en) * | 2017-02-14 | 2018-08-21 | 朗德万斯公司 | LED light for being placed in florescent lamp fitting |
| CN107105545A (en) * | 2017-04-17 | 2017-08-29 | 德能照明电器(深圳)有限公司 | The LED that replaceable fluorescent tube directly works with high frequency ballast transforms lamp |
| CN108566699A (en) * | 2018-01-17 | 2018-09-21 | 深圳市和拓创新科技有限公司 | A kind of LED drive circuit device of automobile-used wide range input |
| CN112042279A (en) * | 2018-04-27 | 2020-12-04 | 昕诺飞控股有限公司 | Refitted LED lamp |
| CN112042279B (en) * | 2018-04-27 | 2023-07-14 | 昕诺飞控股有限公司 | Retrofit LED lights |
| CN111396839A (en) * | 2018-12-27 | 2020-07-10 | 上海明石光电科技有限公司 | Terminal Blocks and Lighting Equipment |
| CN111396839B (en) * | 2018-12-27 | 2025-11-28 | 上海明石光电科技有限公司 | Binding post and lighting apparatus |
| CN111970802A (en) * | 2020-09-03 | 2020-11-20 | 佛山市大一科技有限公司 | Ultraviolet lamp ballast with circulating power supply output control |
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Effective date of registration: 20180801 Address after: Room 103, room 103, No. 38, friendship East Road, Shanghai, Shanghai Patentee after: GUYUAN PHOTOELECTRIC TECHNOLOGY (SHANGHAI) CO.,LTD. Address before: Room 301, room 700, 17, Daning Road, Zhabei District, Shanghai Patentee before: Zhang Xiuhong |
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Granted publication date: 20141001 |