CN201700072U - High-voltage direct current electrodeless lamp - Google Patents
High-voltage direct current electrodeless lamp Download PDFInfo
- Publication number
- CN201700072U CN201700072U CN2009203191293U CN200920319129U CN201700072U CN 201700072 U CN201700072 U CN 201700072U CN 2009203191293 U CN2009203191293 U CN 2009203191293U CN 200920319129 U CN200920319129 U CN 200920319129U CN 201700072 U CN201700072 U CN 201700072U
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- China
- Prior art keywords
- direct current
- frequency
- voltage direct
- electrodeless lamp
- circuit
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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 relates to a high-voltage direct current electrodeless lamp, which comprises a high-voltage direct current power source, a filter circuit, a high-frequency oscillating circuit, a coupler and a bulb. External input high-voltage direct current is subjected to filtering and smoothing with the filter circuit, is then transmitted to the high-frequency oscillating circuit, and is converted by the high-frequency oscillating circuit into high-frequency high voltage current transmitted to the coupler, and the coupler generates high-frequency alternating high magnetic field acting on the bulb to emit light. The filter circuit is a pi-type filter, and the oscillating frequency of the high-frequency oscillating circuit is 2.0MHz. The high-voltage direct current electrodeless lamp can be applied to all occasions powered by a high voltage direct current power source, extends use range of electrodeless lamps, and significantly contributes to energy-saving illumination and environment-friendly illumination.
Description
Technical field
The utility model relates to a kind of electric source lighting, particularly a kind ofly imports the electrodeless lamp that power supply is a high-voltage DC power supply.
Background technology
Existing electrodeless lamp generally is made up of frequency converter, power coupler and bulb three parts, and it is that electromagnetic field by radio-frequency generator is coupled in the lamp in the mode of induction, makes the gas avalanche ionization in the bulb, forms plasma.The plasma-excited atom gives off ultraviolet ray when returning ground state, the fluorescent material of bulb inner wall is subjected to ultraviolet ray excited generation visible light.
The electrodeless lamp of traditional illumination generally is applied in the electric main electric supply system, has only galvanic occasion then can't use for wind power generation or other.
Summary of the invention
The utility model main purpose is to address the above problem, and a kind of electrodeless lamp of high voltage direct current that is directly used in the high voltage direct current power supply is provided.
For achieving the above object, the technical solution of the utility model is:
The electrodeless lamp of a kind of high voltage direct current, form by high-voltage DC power supply, filter circuit, high-frequency oscillating circuits, coupler and bulb, wherein, filter circuit carries out the high voltage direct current of outside input to pass to high-frequency oscillating circuits after the filtering smoothing processing, be translated into high-frequency high-voltage current by high-frequency oscillating circuits again and give coupler, coupler generation high frequency alternating intense magnetic field acts on bulb makes bulb luminous.
Described filter circuit is a pi type filter, is made up of jointly electrochemical capacitor E, thin-film capacitor C1, inductance L 1 and capacitor C 2.
Described high-frequency oscillating circuits is made up of oscillation transformer, start-up circuit, power field effect pipe Q1 and Q2, outputting inductance L2, output capacitance C and feedback circuit, described start-up circuit is opened first cycle of oscillation, feed back to described oscillation transformer by described feedback circuit then, make two described power field effect pipe Q1 and Q2 alternate conduction finish vibration.The frequency of oscillation of described high-frequency oscillating circuits is 2.0MHz.
Content to sum up, the electrodeless lamp of high voltage direct current provided by the utility model has been expanded the scope of application of electrodeless lamp, can so that electrodeless lamp be applied to any by the direct occasion of power supply of high-voltage DC power supply, significant to energy-saving illumination, environmental protection lighting.In addition, the operating frequency of the high-frequency oscillating circuits in the utility model is 2.0MHz, has not only improved the luminous efficiency of electrodeless bulb, prolong its useful life, simultaneously, also reduced high-frequency oscillating circuits electromagnetic radiation intensity to external world, the influence of other electrical appliances has also been reduced greatly.
Description of drawings
Fig. 1 the utility model theory diagram;
Fig. 2 the utility model circuit theory diagrams.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
As depicted in figs. 1 and 2, the electrodeless lamp of this high voltage direct current is made up of high-voltage DC power supply, filter circuit, high-frequency oscillating circuits, coupler and bulb.
The direct voltage of outside input at first passes through the filtering of π type filter circuit, the high voltage direct current of outside input is carried out the filtering smoothing processing, eliminate its clutter that carries and high frequency composition, pass to high-frequency oscillating circuits then, be translated into high-frequency high-voltage current by high-frequency oscillating circuits again and give coupler, coupler generation high frequency alternating intense magnetic field acts on bulb makes bulb luminous.
Wherein, as shown in Figure 2, filter circuit is a pi type filter, is made up of jointly electrochemical capacitor E, thin-film capacitor C1, inductance L 1 and capacitor C 2.Pi type filter has two effects, and the one, the clutter of filtering external power source and radio-frequency component make the subsequent conditioning circuit working stability; The 2nd, can prevent that the high-frequency harmonic that high-frequency oscillating circuits produces from exerting an influence to external power source.
High-frequency oscillating circuits is made up of oscillation transformer, start-up circuit, power field effect pipe Q1 and Q2, outputting inductance L2, output capacitance C and feedback circuit.Described start-up circuit is opened first cycle of oscillation, feeds back to described oscillation transformer by described feedback circuit then, makes two power field effect pipe Q1 and Q2 alternate conduction finish vibration.
Wherein, power field effect pipe Q1 and Q2, outputting inductance L2, output capacitance C has determined the frequency of oscillation of the electrodeless lamp of this high voltage direct current jointly, frequency of oscillation with high-frequency oscillating circuits in the present embodiment is designed to 2.0MHz, find by long various contrast experiments, when the electrodeless lamp of high voltage direct current is operated in 2.0MHz, the heat minimum that circuit produces, luminous efficiency is the highest, and it is lower than the operating frequency of electrodeless lamp in the prior art, the operating frequency of electrodeless lamp is generally 2.65MHz in the prior art, like this, not only can reduce high-frequency oscillating circuits electromagnetic radiation intensity to external world, also can reduce influence simultaneously other electrical appliances.
As mentioned above, given in conjunction with the accompanying drawings and embodiments scheme content can derive the similar techniques scheme.In every case be the content that does not break away from technical solutions of the utility model, to any simple modification, equivalent variations and modification that above embodiment did, all still belong in the scope of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (4)
1. electrodeless lamp of high voltage direct current, it is characterized in that: form by high-voltage DC power supply, filter circuit, high-frequency oscillating circuits, coupler and bulb, wherein, filter circuit carries out the high voltage direct current of outside input to pass to high-frequency oscillating circuits after the filtering smoothing processing, be translated into high-frequency high-voltage current by high-frequency oscillating circuits again and give coupler, coupler generation high frequency alternating intense magnetic field acts on bulb makes bulb luminous.
2. the electrodeless lamp of high voltage direct current according to claim 1 is characterized in that: described filter circuit is a pi type filter, is made up of jointly electrochemical capacitor E, thin-film capacitor C1, inductance L 1 and capacitor C 2.
3. the electrodeless lamp of high voltage direct current according to claim 1, it is characterized in that: described high-frequency oscillating circuits is made up of oscillation transformer, start-up circuit, power field effect pipe Q1 and Q2, outputting inductance L2, output capacitance C and feedback circuit, described start-up circuit is opened first cycle of oscillation, feed back to described oscillation transformer by described feedback circuit then, make two described power field effect pipe Q1 and Q2 alternate conduction finish vibration.
4. the electrodeless lamp of high voltage direct current according to claim 3 is characterized in that: the frequency of oscillation of described high-frequency oscillating circuits is 2.0MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203191293U CN201700072U (en) | 2009-12-30 | 2009-12-30 | High-voltage direct current electrodeless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203191293U CN201700072U (en) | 2009-12-30 | 2009-12-30 | High-voltage direct current electrodeless lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201700072U true CN201700072U (en) | 2011-01-05 |
Family
ID=43401318
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203191293U Expired - Fee Related CN201700072U (en) | 2009-12-30 | 2009-12-30 | High-voltage direct current electrodeless lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201700072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681873A (en) * | 2017-11-17 | 2018-02-09 | 西安许继电力电子技术有限公司 | A kind of filter circuit of pressure-stabilizing of DC side with inductance |
-
2009
- 2009-12-30 CN CN2009203191293U patent/CN201700072U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681873A (en) * | 2017-11-17 | 2018-02-09 | 西安许继电力电子技术有限公司 | A kind of filter circuit of pressure-stabilizing of DC side with inductance |
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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: 20110105 Termination date: 20141230 |
|
| EXPY | Termination of patent right or utility model |