CN102760636B - Coupling light-emitting method and structure of electrodeless lamp - Google Patents
Coupling light-emitting method and structure of electrodeless lamp Download PDFInfo
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- CN102760636B CN102760636B CN201110156582.9A CN201110156582A CN102760636B CN 102760636 B CN102760636 B CN 102760636B CN 201110156582 A CN201110156582 A CN 201110156582A CN 102760636 B CN102760636 B CN 102760636B
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Abstract
The invention provides a coupling light-emitting method of an electrodeless lamp, comprising the following steps of: 10. generating alternating high voltage through a high frequency generator; 20. applying the alternating high voltage to both ends of a capacitor of a power coupler to generate an alternating magnetic field; 30. coupling in a lamp shell to generate an alternating electric field; 40. ionizing a gas inside the lamp shell; 50. exciting electrons contained in mercury atoms inside the lamp shell; 60. radiating ultraviolet rays through the excited electrons contained in the mercury atoms when the excited electrons contained in the mercury atoms return to a ground state, and generating visible light through fluorescent powder. A structure of the electrodeless lamp comprises the power coupler and the lamp shell with an inner wall coated with the fluorescent powder, wherein the power coupler is connected to the high frequency generator and comprises two parallelly-arranged electrode plates, the two parallelly-arranged electrode plates form the capacitor, and the high frequency generator is connected with both ends of the capacitor. In the invention, a combination of capacitance and inductance coupling is provided by utilizing a capacitance coupling mode, and the function of coupling an electromagnetic field into the lamp shell is realized.
Description
[technical field]
The present invention relates to a kind of coupling luminescent method of Non-polarized lamp, and utilize the electrodeless lamp structure of this luminescent method.
[background technology]
Non-polarized lamp belongs to forth generation illuminating product, without filament, electrodeless, is the abbreviation of electrode-less gas discharge fluorescent lamp.Compared with the conventional light source such as electricity-saving lamp, Metal halogen lamp, high-pressure sodium lamp, Non-polarized lamp has significant superiority.Non-polarized lamp is the new high-tech product that the up-to-date scientific and technological achievements in field such as integrated application optics, power electronics, plasma, dielectric and magnetic material are developed out, be a kind of specular removal, long-life, high-color rendering, represent the new type light source of lighting technology future thrust.
Existing Non-polarized lamp, by radio-frequency generator, power coupler and bulb three part form, its operation principle is: utilize radio-frequency generator to produce alternating electric field, alternating electric field produces alternating magnetic field by inductive coupler, electromagnetic field is coupled in bulb in the mode of induction, produces alternating electric field, thus the gas avalanche in bulb is ionized in bulb, form plasma, when plasma-excited atom returns ground state, give off ultraviolet.The fluorescent material of bulb inner wall is subject to ultraviolet and excites generation visible ray.
The power coupler of existing Non-polarized lamp is generally the mode adopting inductance coupling high, the invention reside in and provides other coupled modes.
[summary of the invention]
One of the technical problem to be solved in the present invention, be the coupling luminescent method providing a kind of Non-polarized lamp, it can provide another kind of coupled modes, realizes the luminescence of Non-polarized lamp.
One of the technical problem to be solved in the present invention is achieved in that
A coupling luminescent method for Non-polarized lamp, specifically comprises the steps:
Step 10, make electric current by radio-frequency generator, produce the high voltage of the sinusoidal alternating of certain frequency; Step 20, above-mentioned high voltage is added to the two ends of power coupler, produces an alternating magnetic field; Step 30, above-mentioned alternating magnetic field produce an alternating electric field instantaneously in the lamp housing that inwall scribbles fluorescent material; Step 40, under the effect of above-mentioned alternating electric field, the gas of lamp housing inside is ionized out plasma, and the free electron of plasma is accelerated by alternating electric field; Mercury atom collision in step 50, the free electron accelerating to certain energy and lamp housing, excites the electronics in mercury atom; When electronics in step 60, the mercury atom that excites returns ground state, give off ultraviolet, time described ultraviolet is by described fluorescent material, described fluorescent material creates visible ray; Described step 20 specifically comprises: described power coupler comprises at least one electric capacity, described high voltage is added in equably the two end electrodes plate of each electric capacity, produce between two battery lead plates of electric capacity " displacement current " of alternation, " displacement current " of described alternation produces alternating magnetic field.
Further, inert gas is filled with in described lamp housing; In described step 30, described fluorescent material is rare-earth trichromatic fluorescent powder, two battery lead plates of each electric capacity of described power coupler are arranged in parallel, dielectric is filled with between two battery lead plates of described electric capacity, the neighboring of two battery lead plates of described electric capacity is sealed by magnetic material, described magnetic material is also wound with the wire passing to alternating current, makes it as Non-polarized lamp provides the mode of inductance coupling high.
The technical problem to be solved in the present invention two, is the structure providing a kind of Non-polarized lamp, and it can utilize another kind of coupled modes to realize the luminescence of Non-polarized lamp.
Two of the technical problem to be solved in the present invention is achieved in that
A kind of structure of Non-polarized lamp, it comprises: at least one power coupler, one inwall scribbles the lamp housing of fluorescent material, described power coupler is arranged on inside or the outside of described lamp housing, described power coupler is all connected to a radio-frequency generator, described power coupler comprises two battery lead plates be arranged in parallel, described two battery lead plates form an electric capacity, a hollow pipe is connected between two battery lead plates, the position described two battery lead plates connecting hollow pipe is hollow, described radio-frequency generator is connected on the two end electrodes plate of described electric capacity, dielectric is filled with between two battery lead plates of the electric capacity of described power coupler.
Further, the neighboring of two battery lead plates of described electric capacity is sealed by magnetic material, and described magnetic material is also wound with the wire passing to alternating current, and described fluorescent material is rare-earth trichromatic fluorescent powder; Mercury and inert gas is filled with in described lamp housing.
Tool of the present invention has the following advantages:
The invention provides a kind of capacity coupled mode, instead of existing inductance coupling high mode, coupling for Non-polarized lamp adds a kind of coupled modes, user is made to have more selection, and adopting capacity coupled Non-polarized lamp still to maintain the advantage of the Non-polarized lamp of inductance coupling high, the capacitive coupling structure that the present invention adopts is also more simple;
The present invention adopts capacitive coupling method, dielectric is filled with between two battery lead plates of electric capacity, when not changing two battery lead plate distances, greatly can improve the performance of electric capacity, the dielectric filled increases " displacement current " of electric capacity, thus enhance the alternating magnetic field of electric capacity generation, thus the alternating electric field in enhancing lamp housing, and the neighboring of two battery lead plates of electric capacity can be sealed by magnetic material, alternating magnetic field is also gathered in around electric capacity by effective increase alternating magnetic field, improves the efficiency of coupler.
[accompanying drawing explanation]
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the schematic flow sheet of the inventive method.
Fig. 2 is the structural representation of power coupler one embodiment of the present invention.
Fig. 3 is the structural representation that the power coupler of Fig. 2 with the addition of dielectric and magnetic material.
Fig. 4 is the power coupler top of Fig. 3 is the structural representation of section.
Fig. 5 is the external structural representation of the present invention one electrodeless lamp power couplers.
Fig. 6 is the built-in structural representation of the present invention one electrodeless lamp power couplers.
Fig. 7 is the structural representation of another embodiment of power coupler of the present invention.
[embodiment]
Refer to shown in Fig. 1 to Fig. 7, embodiments of the invention are described in detail.
As Fig. 1, the coupling luminescent method of a kind of Non-polarized lamp of the present invention, it specifically comprises the steps: step 10, makes electric current by radio-frequency generator, produces the high voltage of the sinusoidal alternating of certain frequency; Step 20, above-mentioned high voltage is added to the two ends of the electric capacity of power coupler, described power coupler comprises at least one electric capacity, described high voltage is added in the two ends of each electric capacity, produce between two battery lead plates of electric capacity " displacement current " of alternation, " displacement current " of described alternation produces alternating magnetic field; Step 30, above-mentioned alternating magnetic field are positioned near the central shaft district of electric capacity in the lamp housing that inwall scribbles fluorescent material, produce an alternating electric field instantaneously; Step 40, under the effect of above-mentioned alternating electric field, the gas of lamp housing inside is ionized out plasma, and the free electron of plasma is accelerated by alternating electric field; Mercury in step 50, the free electron accelerating to certain energy and lamp housing (comprise gaseous state and solid-state) atomic collision, excites the electronics in mercury atom; When electronics in step 60, the mercury atom that excites returns ground state, give off ultraviolet, time described ultraviolet is by described fluorescent material, described fluorescent material creates visible ray, is filled with mercury and inert gas in described lamp housing.Two battery lead plates of each electric capacity of above-mentioned power coupler are arranged in parallel, are filled with dielectric between two battery lead plates of described electric capacity.The neighboring of two battery lead plates of described electric capacity is sealed by magnetic material,
Utilize above-mentioned method, the structure of a kind of Non-polarized lamp of the present invention, it comprises: at least one power coupler, an inwall scribble the lamp housing of fluorescent material, and described power coupler is arranged on inside or the outside of described lamp housing, and described power coupler is all connected to a radio-frequency generator.Described fluorescent material is rare-earth trichromatic fluorescent powder; Mercury and inert gas is filled with in described lamp housing.
As Fig. 2, Fig. 3, Fig. 4, described power coupler comprises two battery lead plates be arranged in parallel 11, described two battery lead plates 11 form an electric capacity, a hollow pipe 12 is connected between two battery lead plates 11, the position described two battery lead plates 11 connecting hollow pipe 12 is hollow, described radio-frequency generator be connected to described electric capacity two end electrodes plate 11 on, and the high voltage that radio-frequency generator is produced is added on each battery lead plate 11 equably.Dielectric 13 is filled with between two battery lead plates 11 of the electric capacity of described power coupler 1; The neighboring of two battery lead plates 11 of described electric capacity is sealed by magnetic material 14; The general 0.1cm-2cm of thickness of described magnetic material.Dielectric 13 is filled with between two battery lead plates 11 of electric capacity, when not changing two battery lead plate 11 distances, greatly can improve the performance of electric capacity, the dielectric 13 filled increases " displacement current " of electric capacity, thus enhance the alternating magnetic field of electric capacity generation, thus strengthen the alternating electric field in lamp housing.And the upper end of two battery lead plates of electric capacity is sealed by magnetic material 14, can effectively alternating magnetic field be gathered in around electric capacity, improve the efficiency of power coupler.
Below using an electrodeless lamp structure as concrete example:
As Fig. 5, it is the situation that power coupler is external.The power coupler of the present embodiment and the power coupler shown in Fig. 2, it does not have filling dielectric 13, and the neighboring of two battery lead plates 11 of described electric capacity is not also sealed by magnetic material 14.Non-polarized lamp in the present embodiment: it comprises: power coupler 1, power coupler 22, inwall scribble the annular lamp tube 3 of fluorescent material, described power coupler 1, power coupler 22 are symmetricly set on the both sides on described annular lamp tube 3, namely be symmetricly set on respectively on described annular lamp tube 3, and be in the two ends of annular lamp tube 3 one diameter.Each power coupler as shown in Figure 2, it comprises two battery lead plates be arranged in parallel 11, connect a hollow pipe 12 between two battery lead plates 11, the position described two battery lead plates 11 connecting hollow pipe 12 is hollow, is looped around on described annular lamp tube 3 by the hollow pipe of each power coupler.Described battery lead plate 11 is the battery lead plate of annular, and the battery lead plate 11 that two of each power coupler described be arranged in parallel forms an electric capacity.The present embodiment has two power couplers, namely has two electric capacity.Radio-frequency generator and ballast (not shown) are connected on the two end electrodes plate of the electric capacity of described power coupler, and the high voltage that radio-frequency generator is produced is added on each battery lead plate 11 equably.。Described fluorescent material is rare-earth trichromatic fluorescent powder, and described battery lead plate can be copper coin, is filled with mercury and inert gas in described annular lamp tube 3.
Make electric current by radio-frequency generator (not shown), produce the high voltage of the sinusoidal alternating of certain frequency, the high voltage of above-mentioned alternation is added to the two end electrodes plate (sense of current as shown by arrows) of the electric capacity of power coupler 1 and power coupler 22 by radio-frequency generator (not shown) uniformly, the electric capacity of power coupler 1 and the electric capacity of power coupler 22 all create " displacement current " of alternation under the high-tension effect of sinusoidal alternating, " displacement current " produces alternating magnetic field (direction in magnetic field as shown by arrows), the alternating magnetic field produced can produce an alternating electric field (direction of electric field as shown by arrows) instantaneously in the annular lamp tube 3 scribbling fluorescent material, under the effect of alternating electric field, the gas of annular lamp tube 3 inside is ionized out plasma, and the free electron of plasma is accelerated by alternating electric field, accelerate to the mercury atom collision in the free electron of certain energy and lamp housing, excite the electronics in mercury atom, when electronics in the mercury atom excited returns ground state, give off ultraviolet, time described ultraviolet is by described fluorescent material, described fluorescent material creates visible ray.
As Fig. 6, it is the situation that power coupler is built-in.The structure of the power coupler of the present embodiment i.e. power coupler as shown in Figure 3, it is filled with dielectric 13, and the neighboring of two battery lead plates 11 of described electric capacity is sealed by magnetic material 14.Non-polarized lamp in the present embodiment: it comprises: power coupler 34, inwall scribbles the bulb 5 of fluorescent material, and described power coupler 34 is arranged within described bulb 5.Described power coupler 34 comprises two battery lead plates be arranged in parallel 11, two battery lead plates 11 form an electric capacity, a hollow pipe 12 is connected between two battery lead plates 11, the position described two battery lead plates 11 connecting hollow pipe 12 is hollow, described radio-frequency generator be connected to described electric capacity two end electrodes plate 11 on, and the high voltage that radio-frequency generator is produced is added on each battery lead plate 11 equably.。Dielectric (not shown) is filled with between described two battery lead plates 11, the upper end of two battery lead plates 11 of electric capacity is sealed by magnetic material 14, described dielectric, magnetic material 14 effectively enhance the intensity that power coupler 34 produces the alternating magnetic field of induction, thus enhance the intensity of the alternating electric field of induction.The direction of the alternating magnetic field of induction is as shown in the arrow of figure, and the direction of the alternating electric field of induction is as shown in the arrow of figure.By the hollow pipe 12 between two battery lead plates of power coupler 34, contribute to the alternating electric field of induction to be gathered in certain space, strengthen the effect of alternating electric field.And in order to protect power coupler 34 to be in use damaged, layer protective layer (not shown) can be increased at power coupler 34 outer surface.
As Fig. 7, the present invention can also be wound around respectively and pass to the wire 141 of alternating current on the magnetic material 14 of the neighboring of two battery lead plates, makes it as Non-polarized lamp provides the mode of inductance coupling high.So, namely described power coupler can provide capacitive coupling by electric capacity, can provide inductance coupling high again by the magnetic material 14 being wound with wire 141.
The above, be only present pre-ferred embodiments, therefore can not limit scope of the invention process according to this, the equivalence change namely done according to the scope of the claims of the present invention and description with modify, all should still belong in scope that the present invention contains.
Claims (8)
1. a coupling luminescent method for Non-polarized lamp, specifically comprises the steps:
Step 10, make electric current by radio-frequency generator, produce the high voltage of the sinusoidal alternating of certain frequency;
Step 20, above-mentioned high voltage is added to the two ends of power coupler, produces an alternating magnetic field;
Step 30, above-mentioned alternating magnetic field produce an alternating electric field instantaneously in the lamp housing that inwall scribbles fluorescent material;
Step 40, under the effect of above-mentioned alternating electric field, the gas of lamp housing inside is ionized out plasma, and the free electron of plasma is accelerated by alternating electric field;
Mercury atom collision in step 50, the free electron accelerating to certain energy and lamp housing, excites the electronics in mercury atom;
When electronics in step 60, the mercury atom that excites returns ground state, give off ultraviolet, time described ultraviolet is by described fluorescent material, described fluorescent material creates visible ray;
It is characterized in that: described step 20 specifically comprises: described power coupler comprises at least one electric capacity, described high voltage is added in equably the two end electrodes plate of each electric capacity, produce between two battery lead plates of electric capacity " displacement current " of alternation, " displacement current " of described alternation produces alternating magnetic field; Two battery lead plates of each electric capacity of described power coupler are arranged in parallel, are filled with dielectric between two battery lead plates of described electric capacity.
2. the coupling luminescent method of a kind of Non-polarized lamp according to claim 1, is characterized in that: be filled with inert gas in described lamp housing; In described step 30, described fluorescent material is rare-earth trichromatic fluorescent powder.
3. the coupling luminescent method of a kind of Non-polarized lamp according to claim 1 and 2, is characterized in that: the neighboring of two battery lead plates of described electric capacity is sealed by magnetic material.
4. the coupling luminescent method of a kind of Non-polarized lamp according to claim 3, is characterized in that: described magnetic material is also wound with the wire passing to alternating current, makes it as Non-polarized lamp provides the mode of inductance coupling high.
5. the structure of a Non-polarized lamp, it comprises: at least one power coupler, one inwall scribbles the lamp housing of fluorescent material, described power coupler is arranged on inside or the outside of described lamp housing, described power coupler is all connected to a radio-frequency generator, it is characterized in that: described power coupler comprises two battery lead plates be arranged in parallel, described two battery lead plates form an electric capacity, a hollow pipe is connected between two battery lead plates, the position described two battery lead plates connecting hollow pipe is hollow, described radio-frequency generator is connected on the two end electrodes plate of described electric capacity, dielectric is filled with between two battery lead plates of the electric capacity of described power coupler.
6. the structure of a kind of Non-polarized lamp according to claim 5, is characterized in that: the neighboring of two battery lead plates of described electric capacity is sealed by magnetic material.
7. the structure of a kind of Non-polarized lamp according to claim 6, is characterized in that: described magnetic material is also wound with the wire passing to alternating current.
8. the structure of a kind of Non-polarized lamp according to claim 5, is characterized in that: described fluorescent material is rare-earth trichromatic fluorescent powder; Mercury and inert gas is filled with in described lamp housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110156582.9A CN102760636B (en) | 2011-04-29 | 2011-06-10 | Coupling light-emitting method and structure of electrodeless lamp |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110109692X | 2011-04-29 | ||
| CN201110109692.X | 2011-04-29 | ||
| CN201110109692 | 2011-04-29 | ||
| CN201110156582.9A CN102760636B (en) | 2011-04-29 | 2011-06-10 | Coupling light-emitting method and structure of electrodeless lamp |
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| CN102760636A CN102760636A (en) | 2012-10-31 |
| CN102760636B true CN102760636B (en) | 2015-03-04 |
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| CN201110156582.9A Expired - Fee Related CN102760636B (en) | 2011-04-29 | 2011-06-10 | Coupling light-emitting method and structure of electrodeless lamp |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105789024A (en) * | 2014-12-26 | 2016-07-20 | 陈奋策 | Tubular coil coupler structure |
| CN106298435B (en) * | 2015-06-02 | 2018-04-24 | 上海业力生物科技有限公司 | For the system of chromatographic isolation, ultraviolet source and UV detection devices |
| CN106298436B (en) * | 2015-06-26 | 2018-09-28 | 核工业西南物理研究院 | Electromagnetic signal interference unit and its plasma source for plasma source |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300860A (en) * | 1992-10-16 | 1994-04-05 | Gte Products Corporation | Capacitively coupled RF fluorescent lamp with RF magnetic enhancement |
| CN201518312U (en) * | 2009-03-18 | 2010-06-30 | 宋友林 | High-frequency electromagnetic discharge lamp |
| CN201527962U (en) * | 2009-09-18 | 2010-07-14 | 郭拥军 | Low-frequency electrodeless lamp |
| CN202111060U (en) * | 2011-04-29 | 2012-01-11 | 陈奋策 | Structure for novel electrodeless lamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05347146A (en) * | 1992-06-15 | 1993-12-27 | Matsushita Electric Works Ltd | Electrodeless discharge lamp |
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- 2011-06-10 CN CN201110156582.9A patent/CN102760636B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5300860A (en) * | 1992-10-16 | 1994-04-05 | Gte Products Corporation | Capacitively coupled RF fluorescent lamp with RF magnetic enhancement |
| CN201518312U (en) * | 2009-03-18 | 2010-06-30 | 宋友林 | High-frequency electromagnetic discharge lamp |
| CN201527962U (en) * | 2009-09-18 | 2010-07-14 | 郭拥军 | Low-frequency electrodeless lamp |
| CN202111060U (en) * | 2011-04-29 | 2012-01-11 | 陈奋策 | Structure for novel electrodeless lamp |
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| CN102760636A (en) | 2012-10-31 |
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