CN202818746U - Electronic energy saving lamp high-power factor circuit - Google Patents
Electronic energy saving lamp high-power factor circuit Download PDFInfo
- Publication number
- CN202818746U CN202818746U CN2012203200241U CN201220320024U CN202818746U CN 202818746 U CN202818746 U CN 202818746U CN 2012203200241 U CN2012203200241 U CN 2012203200241U CN 201220320024 U CN201220320024 U CN 201220320024U CN 202818746 U CN202818746 U CN 202818746U
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- module
- saving lamp
- triode
- power factor
- electronic energy
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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
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Abstract
The utility model discloses an electronic energy saving lamp high-power factor circuit including a rectification filtering module (1), a power factor correcting module (2), a high-frequency vibrating module (3), a trigger starting module (4), and a preheating starting module (5). The rectification filtering module (1), the power factor correcting module (2), the high-frequency vibrating module (3), and the preheating starting module (5) are successively connected, the control end of the high-frequency vibrating module (3) is connected with the trigger starting module (4), and the output end of the preheating starting module (5) is connected with an electronic energy saving lamp. The electronic energy saving lamp high-power factor circuit provided has the advantages of stable circuit, reliable performance, simple structure, and good electronic energy saving lamp protection effect.
Description
Technical field
The utility model relates to field of light fittings, is specifically related to a kind of electronic energy-saving lamp high power factor circuit.
Background technology
Electronic energy-saving lamp is again energy-saving fluorescent lamp because electronic energy-saving lamp has low-voltage starter, without stroboscopic, noiselessness, energy-efficient, the i.e. advantage such as bright, long service life of moment of turning on light, become in people's life than indispensable lighting apparatus.The electronic energy-saving lamp circuit of prior art generally comprises rectification filtering module, ballast circuit and pipeline start up by preheating module, but the ballast circuit of prior art is large in startup and running Wave, poor-performing, causes the useful life of electronic energy-saving lamp shorter.
The utility model content
The technical problems to be solved in the utility model provides that a kind of circuit is stable, dependable performance, simple in structure, electronic energy-saving lamp high power factor circuit that the electronic energy-saving lamp protection is effective.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is:
A kind of electronic energy-saving lamp high power factor circuit, comprise rectification filtering module, power factor correction module, dither module, trigger startup module, pipeline start up by preheating module, described rectification filtering module, power factor correction module, dither module, pipeline start up by preheating module link to each other successively, the control end of described dither module starts module with triggering and links to each other, and the output of described pipeline start up by preheating module links to each other with electronic energy-saving lamp.
As further improvement in the technical proposal:
Described dither module comprises transformer, the first triode and the second triode, described transformer comprises the coil of three groups of generation positive and negative feedbacks that are coupled mutually, described transformer drives described the first triode and the second triode in turn by described three groups of coils, and the output of the output of described the first triode and the second triode links to each other with electronic energy-saving lamp by the pipeline start up by preheating module respectively.
Described triggering startup module comprises the energy storage capacitor between two outputs that are connected in described rectification filtering module, described energy storage capacitor links to each other with the base stage of described the first triode or the second triode by a two-way diac, when power on circuitry, described energy storage capacitor drives described the first triode or the second triode so that the dither module is started working when accumulating voltage greater than the conducting voltage of bidirectional trigger diode.
One end of described pipeline start up by preheating module links to each other with transformer, the other end of described pipeline start up by preheating module links to each other with the output of the first triode with the second triode respectively, and described pipeline start up by preheating module comprises the Current Limiting Diodes of being located between two electrodes of the same end of electronic energy-saving lamp.
Also be provided with between described dither module and the pipeline start up by preheating module for the regulation output electric current and make the stable chokes module of electric current output trend, described dither module links to each other with the pipeline start up by preheating module by the chokes module.
The front end of described rectification filtering module is provided with the antisurge protection module, and the two ends of described antisurge protection module are connected between two inputs of rectification filtering module.
Described antisurge protection module is piezo-resistance.
The front end of described rectification filtering module also is provided with anti-electromagnetic interference circuit, and described rectification filtering module links to each other with power supply by anti-electromagnetic interference circuit.
Described anti-electromagnetic interference circuit is two compound compound filter circuits of π type.。
The utlity model has following advantage: the utility model comprises rectification filtering module, power factor correction module, dither module, triggers startup module, pipeline start up by preheating module, the control end of dither module starts module with triggering and links to each other, the output of pipeline start up by preheating module links to each other with electronic energy-saving lamp, can realize the rectification filtering module power output is carried out Active PFC by power factor correction module, can guarantee that output power stability is better, can prolong the useful life of electronic energy-saving lamp; Trigger the dither module and carry out dither by trigger starting module, the electric current that the higher-order of oscillation produces is by pipeline start up by preheating module drive electronic energy-saving lamp, has that circuit is stable, a dependable performance, simple in structure, advantage that the electronic energy-saving lamp protection is effective.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the frame structure schematic diagram of the utility model embodiment.
Fig. 2 is the circuit theory schematic diagram of the utility model embodiment.
Marginal data: 1, rectification filtering module; 2, power factor correction module; 3, dither module; 4, trigger the startup module; 5, pipeline start up by preheating module; 6, chokes module; 7, antisurge protection module; 8, anti-electromagnetic interference circuit.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that protection scope of the present invention are made more explicit defining.
As depicted in figs. 1 and 2, the electronic energy-saving lamp high power factor circuit of present embodiment comprises rectification filtering module 1, power factor correction module 2, dither module 3, trigger and start module 4, pipeline start up by preheating module 5, rectification filtering module 1, power factor correction module 2, dither module 3, pipeline start up by preheating module 5 links to each other successively, the control end of dither module 3 starts module 4 with triggering and links to each other, the output of pipeline start up by preheating module 5 links to each other with electronic energy-saving lamp, can realize rectification filtering module 1 power output is carried out Active PFC by power factor correction module 2, can guarantee that output power stability is better, can prolong the useful life of electronic energy-saving lamp.
In the present embodiment, rectification filtering module 1 is for to be comprised of diode D1, diode D2, diode D3, diode D4 and capacitor C 3, capacitor C 4, diode D1, diode D2, diode D3, diode D4 form full bridge rectifier, again by capacitor C 3, C4 filtering energy storage provides DC power supply for the circuit of back.In addition, the front end of rectification filtering module 1 also is provided with fuse FU, and fuse FU automatically fuses and circuit disconnected protecting the purpose of back circuit when circuit is short-circuited.
In the present embodiment, power factor correction module 2 forms power factor correction circuit (pfc circuit) by capacitor C 3, capacitor C 4, diode D10, diode D11, diode D12, diode D13, can bring up to power factor more than 0.95 by circuit of power factor correction.In addition, power factor correction module 2 also can adopt the power factor correction circuit of other type as required.
In the present embodiment, dither module 3 comprises transformer T1, the first triode Q1 and the second triode Q2, transformer T1 comprises coil T1a, T1b, the T1c of three groups of generation positive and negative feedbacks that are coupled mutually, transformer drives the first triode Q1 and the second triode Q2 in turn by three groups of coil T1a, T1b, T1c, and the output of the output of the first triode Q1 and the second triode Q2 links to each other with electronic energy-saving lamp by pipeline start up by preheating module 5 respectively.Diode D6, resistance R 5, coil T1b form the drive circuit of the first triode Q1; Diode D7, resistance R 6, coil T1c form the drive circuit of the second triode Q2.
Triggering startup module 4 comprises the energy storage capacitor between two outputs that are connected in rectification filtering module 1, energy storage capacitor links to each other with the base stage of the first triode or the second triode by a two-way diac, when power on circuitry, energy storage capacitor drives the first triode or the second triode so that dither module 3 is started working when accumulating voltage greater than the conducting voltage of bidirectional trigger diode.In the present embodiment, trigger startup module 4 and formed by resistance R 3, resistance R 4, resistance R 9, diode D5, bidirectional diode DB3, capacitor C 6.When power on circuitry, resistance R 3, R4 is from main circuit up-sampling voltage, by capacitor C 6 energy storage, when the voltage on the capacitor C 6 during greater than the conducting voltage of bidirectional trigger diode DB3, there is electric current to pass through bidirectional trigger diode DB3, flow to the base stage of triode Q2, drive triode Q2 work, the high-frequency oscillating circuits of back is started working; After high-frequency oscillating circuits was started working, the electric current on the capacitor C 6 flowed away by diode D5, and DB3 no longer works, and startup work is finished.
One end of pipeline start up by preheating module 5 links to each other with transformer, and the other end of pipeline start up by preheating module 5 links to each other with the output of the first triode with the second triode respectively, and pipeline start up by preheating module 5 comprises the Current Limiting Diodes of being located between two electrodes of the same end of electronic energy-saving lamp.Pipeline start up by preheating module 5 in the present embodiment is comprised of Current Limiting Diodes D8, Current Limiting Diodes D9, capacitor C 9 and thermistor PTC; Pipeline start up by preheating module 5 can effectively prevent fluorescent tube blackhead phenomenon, the working life of prolonging lamp tube greatly, and after the normal operation of fluorescent tube, Current Limiting Diodes D8, Current Limiting Diodes D9 play the overheated effect of protection filament, can prolong the life-span of filament.
Also be provided with between dither module 3 and the pipeline start up by preheating module 5 for the regulation output electric current and make the stable chokes module 6 of electric current output trend, dither module 3 links to each other with pipeline start up by preheating module 5 by chokes module 6, chokes module 6 is the regulation output electric current effectively, makes electric current output trend stable.As shown in Figure 2, the chokes module 6 of present embodiment is the inductance L 3 among Fig. 2.
The front end of rectification filtering module 1 is provided with antisurge protection module 7, and the two ends of antisurge protection module 7 are connected between two inputs of rectification filtering module 1.In the present embodiment; antisurge protection module 7 is piezo-resistance RV, and piezo-resistance RV is connected on the two ends of power firestreak L and zero line N, can effectively absorb lightning surge and impact; the various electrical network instantaneous pressure surge impacts such as switch high-pressure pulse shock effectively protect the circuit of back not damaged.
The front end of rectification filtering module 1 also is provided with anti-electromagnetic interference circuit 8, and rectification filtering module 1 links to each other with power supply by anti-electromagnetic interference circuit 8.The anti-electromagnetic interference circuit 8 of present embodiment is two compound compound filter circuits of π type, the compound compound filter circuit of two π types is comprised of capacitor C 1, capacitor C 2, differential mode inductance L1, common mode inductance L2, resistance R 1 and resistance R 2, EMC immunity module 2 effectively Assimilation and conductivity is disturbed and is prevented that channel radiation from disturbing electrical network, can test by EMC easily.
The job step of present embodiment is as follows: rectification filtering module 1 is with the input power rectifying and wave-filtering behind the circuit start, then undertaken exporting to dither module 3 after the Active PFC by power factor correction module 2, dither module 3 is by three groups of coil T1a of transformer T1, T1b, be coupled mutually between the T1c and produce positive and negative feedback, drive in turn the first triode Q1, the conducting of the second triode Q2, realize high-frequency oscillating circuits work: when the second triode Q2 conducting, current direction is: the J3 of the J2 of positive source → capacitor C 7 → tube filament LAMP → J1 end → capacitor C 9 → tube filament LAMP → J4 end → choke induction L3 → coil T1a → second triode Q2 → resistance R, 8 → power cathode; When the first triode Q1 conducting, current direction is: the J1 of the J4 of positive source → first triode Q1 → resistance R, 7 → coil T1a → choke induction L3 → tube filament LAMP → J3 end → capacitor C 9 → LAMP → J2 end → capacitor C 8 → power cathode.When circuit just started, the electric current first J3 of the J2 by tube filament LAMP → J1 end → thermistor PTC → tube filament LAMP → J4 was held, and makes filament heating; When filament heating after trigger lamp tube starting, thermistor PTC quits work, the J3 of the J2 of electric current by tube filament LAMP → J1 end → capacitor C 9 → tube filament LAMP → J4 end, thereby realization is to the current drives of tube filament LAMP.
The above only is preferred implementation of the present utility model, and protection range of the present utility model is not limited in above-mentioned execution mode, and every technical scheme that belongs to the utility model principle all belongs to protection range of the present utility model.For a person skilled in the art, some improvements and modifications of under the prerequisite that does not break away from principle of the present utility model, carrying out, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (9)
1. electronic energy-saving lamp high power factor circuit, comprise rectification filtering module (1), it is characterized in that: also comprise power factor correction module (2), dither module (3), trigger and start module (4), pipeline start up by preheating module (5), described rectification filtering module (1), power factor correction module (2), dither module (3), pipeline start up by preheating module (5) links to each other successively, the control end of described dither module (3) starts module (4) with triggering and links to each other, and the output of described pipeline start up by preheating module (5) links to each other with electronic energy-saving lamp.
2. electronic energy-saving lamp high power factor circuit according to claim 1, it is characterized in that: described dither module (3) comprises transformer, the first triode and the second triode, described transformer comprises the coil of three groups of generation positive and negative feedbacks that are coupled mutually, described transformer drives described the first triode and the second triode in turn by described three groups of coils, and the output of the output of described the first triode and the second triode links to each other with electronic energy-saving lamp by pipeline start up by preheating module (5) respectively.
3. electronic energy-saving lamp high power factor circuit according to claim 2, it is characterized in that: described triggering startup module (4) comprises the energy storage capacitor between two outputs that are connected in described rectification filtering module (1), described energy storage capacitor links to each other with the base stage of described the first triode or the second triode by a two-way diac, when power on circuitry, described energy storage capacitor drives described the first triode or the second triode so that dither module (3) is started working when accumulating voltage greater than the conducting voltage of bidirectional trigger diode.
4. electronic energy-saving lamp high power factor circuit according to claim 3, it is characterized in that: an end of described pipeline start up by preheating module (5) links to each other with transformer, the other end of described pipeline start up by preheating module (5) links to each other with the output of the first triode with the second triode respectively, and described pipeline start up by preheating module (5) comprises the Current Limiting Diodes of being located between two electrodes of the same end of electronic energy-saving lamp.
5. the described electronic energy-saving lamp high power factor circuit of any one according to claim 1～4, it is characterized in that: also be provided with between described dither module (3) and the pipeline start up by preheating module (5) for the regulation output electric current and make the stable chokes module (6) of electric current output trend, described dither module (3) links to each other with pipeline start up by preheating module (5) by chokes module (6).
6. electronic energy-saving lamp high power factor circuit according to claim 5; it is characterized in that: the front end of described rectification filtering module (1) is provided with antisurge protection module (7), and the two ends of described antisurge protection module (7) are connected between two inputs of rectification filtering module (1).
7. electronic energy-saving lamp high power factor circuit according to claim 6 is characterized in that: described antisurge protection module (7) is piezo-resistance.
8. electronic energy-saving lamp high power factor circuit according to claim 7, it is characterized in that: the front end of described rectification filtering module (1) also is provided with anti-electromagnetic interference circuit (8), and described rectification filtering module (1) links to each other with power supply by anti-electromagnetic interference circuit (8).
9. electronic energy-saving lamp high power factor circuit according to claim 8 is characterized in that: described anti-electromagnetic interference circuit (8) is two compound compound filter circuits of π type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203200241U CN202818746U (en) | 2012-07-03 | 2012-07-03 | Electronic energy saving lamp high-power factor circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012203200241U CN202818746U (en) | 2012-07-03 | 2012-07-03 | Electronic energy saving lamp high-power factor circuit |
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| Publication Number | Publication Date |
|---|---|
| CN202818746U true CN202818746U (en) | 2013-03-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012203200241U Expired - Lifetime CN202818746U (en) | 2012-07-03 | 2012-07-03 | Electronic energy saving lamp high-power factor circuit |
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| CN (1) | CN202818746U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283411A (en) * | 2014-09-26 | 2015-01-14 | 广东美的制冷设备有限公司 | AC/DC converter circuit and power supply system of household appliance |
| CN113382509A (en) * | 2021-06-08 | 2021-09-10 | 广东科谷智能科技有限公司 | Lighting driving power supply, control circuit and PCB |
-
2012
- 2012-07-03 CN CN2012203200241U patent/CN202818746U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104283411A (en) * | 2014-09-26 | 2015-01-14 | 广东美的制冷设备有限公司 | AC/DC converter circuit and power supply system of household appliance |
| CN113382509A (en) * | 2021-06-08 | 2021-09-10 | 广东科谷智能科技有限公司 | Lighting driving power supply, control circuit and PCB |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528244, Guangdong, Foshan Province Nanhai Lishui Town victory village and section three road 17 horizontal Patentee after: FOSHAN LUXMATE OPTOELECTRONICS CO.,LTD. Address before: 528244, Guangdong, Foshan Province Nanhai Lishui Town victory village and section three road 17 horizontal Patentee before: Foshan Limei Lighting Photoelectric Science & Technology Co.,Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130320 |