CN101894733A - Low-light attenuation electrodeless lamp bulb - Google Patents
Low-light attenuation electrodeless lamp bulb Download PDFInfo
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- CN101894733A CN101894733A CN 201010239611 CN201010239611A CN101894733A CN 101894733 A CN101894733 A CN 101894733A CN 201010239611 CN201010239611 CN 201010239611 CN 201010239611 A CN201010239611 A CN 201010239611A CN 101894733 A CN101894733 A CN 101894733A
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Abstract
The invention provides a low-light attenuation electrodeless lamp bulb. The blub comprises an inner layer bulb shell, a middle layer bulb shell, a main amalgam, an auxiliary amalgam and an outer layer bulb shell, wherein the middle layer bulb shell encircles the inner layer bulb shell; the main amalgam and the auxiliary amalgam are arranged between the inner layer bulb shell and the middle layer bulb shell; the outer layer bulb shell encircles the middle layer bulb shell; the middle layer bulb shell can restrain Hg atomic spectral lines of which the wave lengths are less than 200 nanometers; working gas is filled between the inner layer bulb shell and the middle layer bulb shell and the amalgams are arranged between the inner layer bulb shell and the middle layer bulb shell; and a space between the middle layer bulb shell and the outer layer bulb shell is vacuum. The low-light attenuation electrodeless lamp bulb of the embodiment of the invention has the advantages of effectively reducing the light attenuation of fluorescent powder, improving the lighting effect of an electrodeless lamp, prolonging the service life of the electrodeless lamp, reducing the using amount of the filled gas and the amalgam and effectively lowering cost.
Description
Technical field
The present invention relates to electrodeless lamp design and manufacturing field, particularly a kind of electrodeless lamp bulb of low light decay.
Background technology
Electrodeless lamp is the discharge abbreviation of electrodeless lamp of high-frequency plasma.Electrodeless lamp source is the sub-technology of a kind of current collection, electromagnetic technique, plasma technique and the light source technology high-tech new type light source in one, and it does not have the electrode structure of common gases discharge lamp, is to adopt inductance coupling high gas discharge, luminous.Have environmental protection, energy-efficient, long-lived plurality of advantages such as durable, global lighting field is used widely.
Electrodeless lamp is based on the principle of electromagnetic induction, make the coupling of the plasma and the circuit magnetic line of force, the a pair of iron core that utilization is enclosed within the fluorescent tube outside forms induced current in fluorescent tube, and unlike conventional fluorescent lamps, utilizes electrode that the electric energy of outside is converted into lamp internal work energy needed.Specifically, electrodeless lamp source is mainly by radio-frequency generator, coupler and bulb three parts are formed, behind the alternating voltage of radio-frequency generator input certain limit, the radio-frequency generator output produces 2.65MHz high frequency constant voltage and issues coupler, high-frequency electrical by coupler fails to be convened for lack of a quorum and produce strong-electromagnetic field in the glass bulb bulb around the coupler, working gas to discharge space carries out ionization, produce plasma, the excite transitions of Hg atom can produce the resonance line of 253.7nm wavelength in the plasma, and this spectral line excites the three primary colors fluorescent powder that is applied to the glass bulb inwall to send visible light.
Characteristics such as electrodeless light fixture has high light efficiency, high-color rendering, anti-seismic performance is good, the life-span is long are widely used in the illumination of occasions such as road, harbour, airport, are especially needing available light and are being inconvenient to change the place of light fixture.Be widely used in large-scale industrial and mineral, railway, tunnel, gas station, airport, large conference room, arena and theater illumination etc. at present.
And electrodeless light fixture has high-color rendering, and by adopting tricolor powder, electro-optical efficiency height, color rendering index are greater than 80, and light is soft, and photochromism is hanged down dazzle near sunlight, presents the natural colour of illuminated object.
But existing electrodeless lamp all adopts the structure of double-deck glass bulb, the high energy ultraviolet photon of the 185nm wavelength that produces in the discharge destroys serious to fluorescent material, seriously increased the light decay of electrodeless lamp, make the light efficiency of electrodeless lamp be difficult to improve, this is especially outstanding in powerful electrodeless lamp, and having suppressed electrodeless Lantern Festival greatly can effect.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency, destroys the problem that fluorescent material reduces electrodeless light effect at overcoming existing electrodeless lamp Hg atom 185nm ultraviolet spectral line especially, has proposed a kind of electrodeless lamp bulb of low light decay.
For achieving the above object, the embodiment of the invention provides a kind of electrodeless lamp bulb of low light decay, this electrodeless lamp bulb internal layer cell-shell; Surround the intermediate layer cell-shell of described internal layer cell-shell, wherein, described intermediate layer cell-shell can suppress the Hg atomic spectral line that wavelength is lower than 200nm; Main amalgam and Auxiliary amalgam between described internal layer cell-shell and intermediate layer cell-shell; With the outer cell-shell that surrounds described intermediate layer cell-shell.
In one embodiment of the invention, fill working gas between described internal layer cell-shell and the intermediate layer cell-shell.
In one embodiment of the invention, be vacuum between described intermediate layer cell-shell and the outer cell-shell.
In one embodiment of the invention, the material of described internal layer cell-shell and outer cell-shell is hard material glass.
In one embodiment of the invention, the material of described intermediate layer cell-shell is quartz glass or filter glass.
In one embodiment of the invention, described intermediate layer cell-shell is intermediate layer quartz glass cell-shell or intermediate layer filter glass cell-shell.
In one embodiment of the invention, described intermediate layer inner wall does not scribble fluorescent material, scribbles fluorescent material on the outer wall of described internal layer cell-shell and the inwall of described outer cell-shell, also scribbles the reflector on the outer wall of internal layer cell-shell.
In one embodiment of the invention, described three layers of cell-shell structure comprise: pyriform foam structure, olive shape foam structure, spheric bulb body structure, cylindricality foam structure or tubular foam structure.
The electrodeless lamp bulb of low light decay of the present invention is by changing the double-layer structure of traditional electrodeless lamp bulb, adopt three layers of cell-shell structure, the ultraviolet ray that will be lower than the 200nm spectral line suppresses the destruction of three primary colors fluorescent powder, thereby can reduce the light decay of fluorescent material, the light efficiency and the life-span of improving electrodeless lamp effectively.Through actual detected, adopt the electrodeless lamp bulb of the embodiment of the invention, fluorescent material light decay decline 10%-15%, the light efficiency of electrodeless lamp improves 10%-15%.
Electrodeless lamp bulb of the present invention is compared with the electrodeless lamp bulb of prior art structure and is had the following advantages:
1, compare with common electrodeless lamp bulb, with under the constant power, light decay reduces, and light efficiency improves greatly;
2, reduce blanketing gas and amalgam consumption, effectively reduce cost;
3, create conditions for the exploitation of the electrodeless lamp of high-power high light efficiency.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the pyriform electrodeless lamp bulb structural representation of the embodiment of the invention one;
Fig. 2 is the tubular electrodeless lamp bulb structural representation of the embodiment of the invention two,
Wherein, 1-master's amalgam; 2-internal layer cell-shell;
3-intermediate layer cell-shell;
The outer cell-shell of 4-; The 5-Auxiliary amalgam.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, close the orientation of indications such as term " vertically ", " laterally ", " top ", " below ", " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " or position is based on orientation shown in the drawings or position relation, only be the present invention for convenience of description rather than require the present invention therefore can not be interpreted as limitation of the present invention with specific orientation structure and operation.
The present invention is that mainly by electrodeless lamp bulb being provided with three layers of cell-shell structure, effectively excitation wavelength suppresses the ultraviolet ray that wavelength is lower than this spectral line greater than the ultraviolet spectral line of 200nm, effectively reduces the light decay of fluorescent material.
Existing electrodeless lamp all adopts the structure of double-deck glass bulb, and the high energy ultraviolet photon that produces the 185nm wavelength in discharge destroys seriously fluorescent material, has increased the light decay of electrodeless lamp, makes the light efficiency of electrodeless lamp be difficult to improve.The problems referred to above are especially more outstanding in powerful electrodeless lamp, suppressed the energy-saving effect of electrodeless lamp.
For overcoming above-mentioned defective, the embodiment of the invention has proposed a kind of electrodeless lamp bulb of low light decay.Fig. 1 and Fig. 2 are respectively the structural representation of the electrodeless lamp bulb structure of two kinds of embodiment of the present invention.Electrodeless lamp bulb comprises internal layer cell-shell 2, intermediate layer cell-shell 3, outer cell-shell 4 and main amalgam 1 between internal layer cell-shell 2 and intermediate layer cell-shell 3 and Auxiliary amalgam 5.
Wherein, intermediate layer cell-shell 3 surrounds internal layer cell-shell 2, is filled with working gas between internal layer cell-shell 2 and the intermediate layer cell-shell 3.And outer cell-shell 4 surrounds intermediate layer cell-shell 3, is vacuum between intermediate layer cell-shell 3 and the outer cell-shell 4.Thus, under same electrodeless lamp bulb structure, can significantly reduce the use amount of blanketing gas and amalgam.
Wherein, the cavity that forms between main amalgam 1 and internal layer cell-shell 2 and the intermediate layer cell-shell 3 is interconnected.Main amalgam 1 evaporation mercury atom excitation resonance spectral line, this spectral line excites the three primary colors fluorescent powder that is coated in internal layer cell-shell 2 outer walls to send visible light.Auxiliary amalgam 5 is positioned at the end at close lamp holder top on internal layer cell-shell 2 outer walls.
When electrodeless lamp started, because the convection action of gas, hot gas rose, guarantee that peak place temperature is the highest, therefore Auxiliary amalgam is placed on the fastest position of temperature rising, is evaporated from Auxiliary amalgam thereby can quicken the Hg atom, and electrodeless lamp can be started fast.
Because existing electrodeless lamp all adopts the structure of double-deck glass bulb, the high energy ultraviolet photon of the 185nm wavelength that produces in the discharge destroys serious to fluorescent material, seriously increases the light beam of electrodeless lamp.
The electrodeless lamp bulb that the embodiment of the invention provides adopts three layers of cell-shell structure, and internal layer cell-shell 2 and outer cell-shell 4 all can adopt hard material glass.Wherein, scribble the reflector on the outer wall of internal layer cell-shell 2, on the reflector, scribble fluorescent material, and on the inwall of outer cell-shell 4, also scribble fluorescent material.Intermediate layer cell-shell 3 adopting quartz glass or filter glass are as the intermediate layer, and its inwall does not scribble fluorescent material, can see through the above Hg atomic spectral line of 200nm, and it is inhibited that wavelength is lower than the spectral line of 200nm.
For the ease of understanding above-mentioned thought of the present invention; to be that example is described below with electrodeless lamp bulb illustrated in figures 1 and 2; but need to prove; these two kinds of electrodeless lamp fixtures only are two kinds of preferred implementations of the present invention; those skilled in the art can make amendment or replace these two kinds of execution modes; to reach same technique effect, modification that these are equal to or replacement all should be included within protection scope of the present invention.
[embodiment one]
Fig. 1 shows a kind of electrodeless lamp of pyriform of three layers of cell-shell.
As shown in fig. 1, the outer cell-shell 4 and the intermediate layer cell-shell 3 of this electrodeless lamp bulb all resemble a pear in shape, and internal layer cell-shell 2 is a rectangle.Main amalgam 1 is connected with the cavity that internal layer cell-shell 2 and intermediate layer cell-shell 3 form.Auxiliary amalgam 5 is positioned on the outer wall of internal layer cell-shell 2 end near the lamp holder top.
In the present embodiment, the middle quartz glass layer of electrodeless lamp bulb is not coated with fluorescent material, but the spectral line that is lower than the 200nm wavelength to harm three primary colors fluorescent powder life-span and performance is inhibited, has promptly overcome the 185nm ultraviolet spectral line that is excited by amalgam and has destroyed the problem that fluorescent material reduces electrodeless light effect.
[embodiment two]
Fig. 2 shows a kind of tubular electrodeless lamp of three layers of cell-shell.
As shown in Figure 2, the outer cell-shell 4 of this electrodeless lamp bulb and intermediate layer cell-shell 3 all are tubular, and internal layer cell-shell 2 is a rectangle.Main amalgam 1 is connected with the cavity that internal layer cell-shell 2 and intermediate layer cell-shell 3 form.Auxiliary amalgam 5 is positioned on the outer wall of internal layer cell-shell 2 end near the lamp holder top.
Three layers of cell-shell structure that the embodiment of the invention provides are not limited to above-mentioned two kinds of structures, also are not limited to the shape of bulb.Electrodeless lamp bulb can also be embodied as olive shape foam, spherical foam or cylindricality foam.Regardless of bulb-shaped, as long as adopt the intermediate layer can suppress to be lower than the quartz glass of spectral line of 200nm wavelength Hg atom or three layers of cell-shell structure of filter glass all belong to protection scope of the present invention.
Bulb by three layers of cell-shell structure of electrodeless lamp bulb employing of the present invention in the situation with constant power, can reduce the light decay of electrodeless lamp greatly, improves the light efficiency of electrodeless lamp.Through actual detected, adopt the electrodeless lamp bulb of the embodiment of the invention, fluorescent material light decay decline 10%-15%, the light efficiency of electrodeless lamp improves 10%-15%.
Compare with the electrodeless lamp bulb in the prior art structure and to have the following advantages:
1, compare with common electrodeless lamp bulb, with under the constant power, light decay reduces, and light efficiency improves greatly;
2, reduce blanketing gas and amalgam consumption, effectively reduce cost;
3, create conditions for the exploitation of the electrodeless lamp of high-power high light efficiency.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (8)
1. the electrodeless lamp bulb of a low light decay is characterized in that, comprising:
The internal layer cell-shell;
Surround the intermediate layer cell-shell of described internal layer cell-shell, wherein, described intermediate layer cell-shell can suppress the Hg atomic spectral line that wavelength is lower than 200nm;
Main amalgam and Auxiliary amalgam between described internal layer cell-shell and intermediate layer cell-shell; With
Surround the outer cell-shell of described intermediate layer cell-shell.
2. electrodeless lamp bulb as claimed in claim 1 is characterized in that, wherein, fills working gas between described internal layer cell-shell and the intermediate layer cell-shell.
3. electrodeless lamp bulb as claimed in claim 2 is characterized in that, wherein, is vacuum between described intermediate layer cell-shell and the outer cell-shell.
4. electrodeless lamp bulb as claimed in claim 3 is characterized in that, the material of described internal layer cell-shell and outer cell-shell is hard material glass.
5. electrodeless lamp bulb as claimed in claim 4 is characterized in that, described intermediate layer cell-shell is intermediate layer quartz glass cell-shell or intermediate layer filter glass cell-shell.
6. electrodeless lamp bulb as claimed in claim 5 is characterized in that, described intermediate layer inner wall does not scribble fluorescent material, scribbles fluorescent material on the outer wall of described internal layer cell-shell and the inwall of described outer cell-shell.
7. electrodeless lamp bulb as claimed in claim 1 is characterized in that, also scribbles the reflector on the outer wall of described internal layer cell-shell.
8. electrodeless lamp bulb as claimed in claim 1 is characterized in that, described electrodeless lamp bulb is pyriform foam structure, olive shape foam structure, spheric bulb body structure, cylindricality foam structure or tubular foam structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102396113A CN101894733B (en) | 2010-07-27 | 2010-07-27 | Low-light attenuation electrodeless lamp bulb |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102396113A CN101894733B (en) | 2010-07-27 | 2010-07-27 | Low-light attenuation electrodeless lamp bulb |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101894733A true CN101894733A (en) | 2010-11-24 |
| CN101894733B CN101894733B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102396113A Expired - Fee Related CN101894733B (en) | 2010-07-27 | 2010-07-27 | Low-light attenuation electrodeless lamp bulb |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963543A (en) * | 1995-08-21 | 1997-03-07 | Hitachi Ltd | Electrodeless lamp |
| CN201126810Y (en) * | 2007-11-10 | 2008-10-01 | 中山市汇隆电器有限公司 | Strong coupling non-polar lamp embedded with high and low electromagnetic field |
-
2010
- 2010-07-27 CN CN2010102396113A patent/CN101894733B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0963543A (en) * | 1995-08-21 | 1997-03-07 | Hitachi Ltd | Electrodeless lamp |
| CN201126810Y (en) * | 2007-11-10 | 2008-10-01 | 中山市汇隆电器有限公司 | Strong coupling non-polar lamp embedded with high and low electromagnetic field |
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| Publication number | Publication date |
|---|---|
| CN101894733B (en) | 2012-07-18 |
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