CN202218467U - AC-DC electronic ballast - Google Patents
AC-DC electronic ballast Download PDFInfo
- Publication number
- CN202218467U CN202218467U CN2011203219262U CN201120321926U CN202218467U CN 202218467 U CN202218467 U CN 202218467U CN 2011203219262 U CN2011203219262 U CN 2011203219262U CN 201120321926 U CN201120321926 U CN 201120321926U CN 202218467 U CN202218467 U CN 202218467U
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- China
- Prior art keywords
- winding coil
- circuit
- mutual inductance
- fluorescent tube
- transformer
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- 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
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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
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- Circuit Arrangements For Discharge Lamps (AREA)
Abstract
The utility model discloses an AC-DC electronic ballast which is characterized in that the AC-DC electronic ballast includes a rectifier circuit, a feedback mutual inductance coupled oscillator circuit, and a boost circuit. An output terminal of the rectifier circuit is electrically connected with the feedback mutual inductance coupled oscillator circuit. A winding coil of the boost circuit is coupled to an oscillation coil in the feedback mutual inductance coupled oscillator circuit via a transformer. The ballast is simple in circuit, low in cost, and is suitable for a conventional fluorescent tube, and can relight the fluorescent tube with a broken filament. For the fluorescent tube which is arranged in a high position and is not easy to replace, a user can not replace the original burnt fluorescent tube, so the service lifetime is prolonged, the waste material is fully used, the use cost is reduced, and at the same time, the environment pollution is reduced. Especially under the power failure condition, the fluorescent lamp in a working place or a household can be lightened by using a direct-current power supply.
Description
Technical field
The utility model relates to electric ballast, especially a kind ofly is used for the AC/DC electric ballast that the useless fluorescent tube of making of fluorescent lamp is recovered lost eyesight.
Background technology
At present; After the fluorescent-lamp tube fracture of wire of use civil power burns,, can only abandon because existing electric ballast or Inductive ballast all can't make its luminous again utilization; Cause a large amount of wastes, and the harmful substance that contains in the discarded fluorescent tube also possibly cause severe contamination to environment; In addition, pinnacled fluorescent lamp is installed in workplace or the family,, is changed quite inconvenience of fluorescent tube in case fracture of wire burns.
Summary of the invention
The purpose of the utility model is the deficiency to prior art, and a kind of circuit is simple, cost is low and provide, and both has been applicable to common fluorescent tube, the AC/DC electric ballast that the fluorescent tube that again fracture of wire is scrapped is recovered lost eyesight.
The purpose of the utility model is to realize through following technical scheme:
A kind of AC/DC electric ballast; Different with prior art is: comprise rectification circuit, reaction type mutual inductance coupled oscillator circuit and booster circuit; The output of rectification circuit is connected with reaction type mutual inductance coupled oscillator circuit, and the winding coil in winding coil in the booster circuit and the reaction type mutual inductance coupled oscillator circuit is through transformer coupled.
Described rectification circuit comprises rectifier diode D1;
Described reaction type mutual inductance coupled oscillator circuit comprises transformer T, triode BG1, resistance R 1 and proofreaies and correct resonant capacitance C1; The collector electrode of triode BG1 is connected with the end of the winding coil L1 of transformer T; Base stage is connected with the end of the winding coil L2 of transformer T; The other end of winding coil L2 is connected with the other end of winding coil L1 through resistance R 1, and capacitor C 1 is parallelly connected with resistance R 1;
Described booster circuit comprises winding coil L3, and winding coil L3 and winding coil L1 are through transformer T coupling;
The negative pole of rectifier diode D1 is connected with the other end of winding coil L1, the grounded emitter of triode BG1.
During use, alternating current or direct current are through the earth terminal input of positive terminal and the ballast circuit of rectifier diode D1, and the two ends of winding coil L3 are connected with the two ends of fluorescent tube.
The utility model circuit is simple, cost is low; The fluorescent tube that fluorescent tube or fracture of wire are burnt out is normally lighted, and for the pinnacled fluorescent tube of changing inconvenience is installed, makes the user needn't change the fluorescent tube that originally burnt; Prolonged the useful life of fluorescent tube; Make full use of waste material, reduced use cost, also reduced environmental pollution simultaneously; Particularly under situation about having a power failure,, the fluorescent lamp of workplace or family is lighted, saved the expense of buying rechargeable lamp through using DC power supply.
Description of drawings
Fig. 1 is the circuit block diagram of embodiment;
Fig. 2 is the circuit theory diagrams of embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model content is further described, but is not qualification the utility model.
Embodiment:
With reference to Fig. 1 Fig. 2; A kind of AC/DC electric ballast; Comprise rectification circuit, reaction type mutual inductance coupled oscillator circuit and booster circuit, the output of rectification circuit is connected with reaction type mutual inductance coupled oscillator circuit, and the winding coil in winding coil in the booster circuit and the reaction type mutual inductance coupled oscillator circuit is through transformer coupled; Rectification circuit is connected with power supply, and booster circuit is connected with fluorescent tube.
Particularly, rectification circuit comprises rectifier diode D1, and the maximum average rectified current of rectifier diode D1 is 3A.
Reaction type mutual inductance coupled oscillator circuit comprises transformer T, triode BG1, resistance R 1 and proofreaies and correct resonant capacitance C1; The collector electrode of triode BG1 is connected with the end of the winding coil L1 of transformer T; Base stage is connected with the end of the winding coil L2 of transformer T; The other end of winding coil L2 is connected with the other end of winding coil L1 through resistance R 1, and capacitor C 1 is parallelly connected with resistance R 1; BG1 is a NPN type triode, and winding coil L1 is 25-65T, and winding coil L2 is 8-20T, and resistance R 1 is 1-2k Ω, and capacitor C 1 is 0.47 μ F, to adapt to the fluorescent tube of different capacity.
Booster circuit comprises winding coil L3, and winding coil L3 and winding coil L1 are through transformer T coupling, and winding coil L3 is 175T, and booster circuit is connected with fluorescent tube 1.
The negative pole of rectifier diode D1 is connected with the other end of winding coil L1, the grounded emitter of triode BG1.
Behind the power connection, winding coil L1 obtains surge voltage, and senses among the winding coil L2 and go; Through resistance R 1, induced voltage feeds back on the base stage of triode BG1, amplifies through triode BG1; In winding coil L1, obtain bigger oscillating impulse voltage, fed back by winding coil L2 then again, triode BG1 amplifies again; Constantly replenish the energy of winding coil L1 oscillation circuit pulse voltage loss, in L1, obtained constant oscillating voltage, the secondary winding coil L3 of step-up transformer has obtained alternating voltage; Resistance R 1, capacitor C 1 make fluorescent tube 1 luminous stable, and power saving rate is higher.
During use, alternating current or direct current are through the earth terminal input of positive terminal and the ballast circuit of rectifier diode D1, and the two ends of winding coil L3 are connected with the two ends of fluorescent tube 1.Alternating current is the 220V civil power, uses alternating current 220V converter lowest starting voltage to be 90V, is up to 280V; Direct current is 12V, and fluorescent tube is 15W, 18W, 20W, 26W, 30W, 36W or 40W.
Claims (2)
1. AC/DC electric ballast; It is characterized in that: comprise rectification circuit, reaction type mutual inductance coupled oscillator circuit and booster circuit; The output of rectification circuit is connected with reaction type mutual inductance coupled oscillator circuit, and the winding coil in winding coil in the booster circuit and the reaction type mutual inductance coupled oscillator circuit is through transformer coupled.
2. AC/DC electric ballast according to claim 1 is characterized in that: described rectification circuit comprises rectifier diode D1;
Described reaction type mutual inductance coupled oscillator circuit comprises transformer T, triode BG1, resistance R 1 and proofreaies and correct resonant capacitance C1; The collector electrode of triode BG1 is connected with the end of the winding coil L1 of transformer T; Base stage is connected with the end of the winding coil L2 of transformer T; The other end of winding coil L2 is connected with the other end of winding coil L1 through resistance R 1, and capacitor C 1 is parallelly connected with resistance R 1;
Described booster circuit comprises winding coil L3, and winding coil L3 and winding coil L1 are through transformer T coupling;
The negative pole of rectifier diode D1 is connected with the other end of winding coil L1, the grounded emitter of triode BG1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203219262U CN202218467U (en) | 2011-08-31 | 2011-08-31 | AC-DC electronic ballast |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203219262U CN202218467U (en) | 2011-08-31 | 2011-08-31 | AC-DC electronic ballast |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202218467U true CN202218467U (en) | 2012-05-09 |
Family
ID=46017688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203219262U Expired - Fee Related CN202218467U (en) | 2011-08-31 | 2011-08-31 | AC-DC electronic ballast |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202218467U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355784A (en) * | 2011-08-31 | 2012-02-15 | 桂林灵川县安华电器厂 | DC-AC electronic ballast |
-
2011
- 2011-08-31 CN CN2011203219262U patent/CN202218467U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102355784A (en) * | 2011-08-31 | 2012-02-15 | 桂林灵川县安华电器厂 | DC-AC electronic ballast |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20150831 |
|
| EXPY | Termination of patent right or utility model |