CN102243983A - Electrodeless lamp - Google Patents
Electrodeless lamp Download PDFInfo
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- CN102243983A CN102243983A CN2011101571995A CN201110157199A CN102243983A CN 102243983 A CN102243983 A CN 102243983A CN 2011101571995 A CN2011101571995 A CN 2011101571995A CN 201110157199 A CN201110157199 A CN 201110157199A CN 102243983 A CN102243983 A CN 102243983A
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- electrodeless lamp
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- electrodeless
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Abstract
The invention discloses an electrodeless lamp which comprises a lamp cap, a lamp tube, a working gas and a magnetic coupling, wherein the lamp cap is used for installing the electrodeless lamp on the lamp holder; the lamp tube is coated with phosphor powder; the working gas is filled in the lamp tube and the magnetic coupling is arranged on the lamp tube. The electrodeless lamp provided by the invention is characterized in that the lamp tube comprises an outer tube and an inner tube sheathed in the outer tube, two ends of the inner tube and the outer tube are sealed together and a sealed cavity can be formed between the inner tube and the outer tube; and the working gas is filled in the sealed chamber and the phosphor powder is coated on the outer wall of the inner tube. The electrodeless lamp disclosed by the invention has the advantages of large light output and less amount of phosphor powder.
Description
Technical field
The present invention relates to a kind of electrodeless lamp.
Background technology
Its principle of luminosity of electrodeless lamp and fluorescent lamp are similar, are the gas luminescence electric light sources of developing on the basis of conventional fluorescent of new generation.Traditional fluorescent lamp has electrode, and electrodeless lamp is a kind of fluorescent lamp that does not have electrode.The basic functional principle of electrodeless lamp is that the coil that utilizes high frequency voltage to pass through power coupler (magnetic coupler) produces the high frequency magnetic field of induction, the energy of this high frequency magnetic field makes the mercury vapor discharge in the electrodeless lamp, the fluorescent material of the ultraviolet ray excited tube inner wall that discharge process radiates makes it luminous.It is the fluorescent lamp that does not have electrode, makes with electromagnetic induction principle that electrodeless lamp also can be said to.The inefficacy of common gases discharge lamp, major part are to end owing to the consumption of electronic emission material or the loss of electrode (filament) own cause the life-span.And electrodeless lamp is not owing to there is electrode, rely on the basic principle of electromagnetic induction and gas discharge and luminous, so the life-span of light source reaches 60000-100000 hours, be more than 600 times of incandescent lamp, the 5-10 of common gases discharge lamp doubly, be the longest light source of all gas discharge lamp, can be suitable with led light source.As a kind of long-life gas discharge light source,, become one of most widely used main flow lighting source gradually because advantage such as its light efficiency height, color rendering be high and easy to use is widely used in occasions such as road lighting, industrial and mineral illumination and tunnel illumination.
But the fluorescent material of traditional electrodeless lamp is coated on the tube inner wall, and so, phosphor powder layer can block or inside antireflection part visible light, and a part of luminous flux that made loss in vain, and the consumption of fluorescent material is also bigger.And the magnetic coupling of HF lamp without electrodes too concentrates in the cavity of lamp, and there is very big problem in heat radiation.
Summary of the invention
Technical problem to be solved by this invention is: at the problems referred to above, and provide the electrodeless lamp that a kind of smooth output variable is big, the fluorescent material consumption is few.
Technical scheme of the present invention is: a kind of electrodeless lamp, comprise be used for this electrodeless lamp be installed in lamp holder on the lamp socket, scribble fluorescent material fluorescent tube, be filled in the working gas of this fluorescent tube and be contained in magnetic coupler on this fluorescent tube, it is characterized in that: described fluorescent tube comprises outer tube and is enclosed within the interior interior pipe of this outer tube, an annular seal space is sealed and is formed at the two ends of interior pipe and outer tube between inner and outer pipes, described working gas is filled in the sealing chamber, and described fluorescent material is coated on the outer wall of interior pipe.
Scribble reflector layer on the inwall of pipe in described.
Described reflector layer is the silver alloy minute surface of non-magnetic screen.
Scribble the nano aluminium oxide diaphragm on the inwall of described outer tube.
Pipe and outer tube are the rounded glass straight tube in cross section in described, and interior pipe and outer coaxial tube layout.
Described lamp holder is T5 lamp holder or T8 lamp holder, and described lamp holder has two, is installed in the two ends of fluorescent tube respectively.
In the inner chamber of pipe, it comprised coupling support and the coupling coil that is wrapped on this coupling support, and coupling coil links to each other with the lamp base of lamp holder by lead in described magnetic coupler was contained in.
Described magnetic coupler is isometric with fluorescent tube and its two ends are concordant with the two ends of fluorescent tube.
Described fluorescent material is three primary colors fluorescent powder.
Described working gas is that krypton is argon-mixed.
Advantage of the present invention is: the present invention has broken through the structure of traditional electrodeless lamp, and electrodeless lamp fluorescent tube is arranged to inside and outside double-layer structure (interior pipe and outer tube), and working gas is filled between the inner and outer pipes, and fluorescent material is coated on the outer wall of interior pipe.
1, do not apply fluorescent material on the outer tube, thereby avoided phosphor powder layer, improved the light output variable the blocking of light.
2, on the outer wall of pipe, coated area was less, thereby has reduced the consumption of fluorescent material in fluorescent material was coated in.
3, because fluorescent material be coated on the outer wall of pipe, so coating process now common electrodeless fluorescent tube to apply relative technology easy, quality is controlled easily, and the eliminating of follow-up roasted tube waste gas is also relatively easy.
4, scribble the reflector on the inwall of interior pipe, improved the light output variable.
5, scribble the nano aluminium oxide diaphragm on the inwall of outer tube, avoided the long-time electron bombard of glass tube and the phenomenon of turning black, lux maintenance is higher.
6, the T5 or the T8 lamp holder of standard are installed on this electrodeless lamp, replace conveniently prominent application of having opened up electrodeless lamp with conventional fluorescent.
7, in the inner chamber of pipe, it was isometric with fluorescent tube and its two ends are concordant with the two ends of fluorescent tube in magnetic coupler was contained in, and compared with traditional structure, and the magnetic coupling area of dissipation of this electrodeless lamp improves greatly, has improved the heat radiation of electrodeless lamp.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 be the A-A of Fig. 1 to cutaway view, wherein magnetic coupler is removed.
Embodiment
As shown in Figure 1, the electrodeless lamp of present embodiment comprises the fluorescent tube of electrodeless lamp, this fluorescent tube comprises an outer tube 2 and an interior pipe 1 that is enclosed within this outer tube, an annular seal space is sealed and is formed at the two ends of interior pipe 1 and outer tube 2 between inner and outer pipes, fill working gas 4 in the sealing chamber, described working gas 4 is krypton argon-mixed (being the mist of krypton gas and argon gas).
Be the convenient luminous intensity of taking into account fluorescent lamp of producing, interior pipe 1 in this example and outer tube 2 all adopt cross section glass straight tube rounded, high transmission rate, and interior pipe and outer coaxial tube layout.This production technology with fluorescent tube of inside and outside double-layer structure is summarized as follows: inner and outer pipe is carried out the vacuum glass sealing-in, through with the roughly the same exhaust of common electrodeless lamp, fill working gas, annotate operations such as mercury, finish system fluorescent tube process.
A lamp holder 3 respectively is equipped with to be used for that the electrodeless lamp of basis is installed in lamp socket in the two ends of described fluorescent tube, this lamp holder can adopt T5 lamp holder or T8 lamp holder (also can adopt the standard lamp head of other model certainly), thereby makes things convenient for this electrodeless lamp can be easily and the replacement of common electrodeless lamp.The structure of T5 and T8 lamp holder is known technology (all having lamp base 3-1), no longer describes in detail; If fluorescent tube is thick it can not be cooperated well with T5 or T8 lamp holder, can T5 or T8 lamp holder be installed in lamp tube ends by conversion head.
In the inner chamber of pipe 1 magnetic coupler 5 is housed in described, this magnetic coupler 5 is made of with the coupling coil 5-2 that is wrapped on this coupling support coupling support 5-1, and coupling coil 5-2 links to each other with the lamp base 3-1 of described lamp holder 3 by lead.Magnetic coupler 5 is isometric with fluorescent tube and its two ends are concordant with the two ends of fluorescent tube (certainly, magnetic coupler also can be slightly larger than or be slightly less than the length of fluorescent tube), has improved the area of dissipation of magnetic coupler greatly.
As shown in Figure 2, this example is coated with fluorescent material 11(three primary colors fluorescent powder on the outer wall of interior pipe 1), and on outer tube 2 and uncoated fluorescent material.So, do not apply fluorescent material on the outer tube, thereby avoided phosphor powder layer, improved the light output variable the blocking of light; Fluorescent material is applied to outer wall of inner tube, and the coating clad can is long-pending less, thereby has reduced the consumption of fluorescent material.In addition, this example is coated with non-magnetic screen on the inwall of interior pipe 1 reflector layer 12(reflector layer is non-magnetic screen, have the silver alloy minute surface of highly reflective), with the visible light reflected back outside, further improve the light output variable of lamp with the directive inboard; On the inwall of outer tube 2, be coated with nano aluminium oxide diaphragm 21, thereby avoided the long-time electron bombard of fluorescent tube and the phenomenon of turning black, the lux maintenance height.
Certainly, as the known general knowledge of those skilled in the art, for satisfying the luminescent condition of this electrodeless lamp, also need to install ballast (figure does not show) on electrodeless lamp, the position of ballast can freely be installed according to use occasion; Also need in the stem stem blast pipe of fluorescent tube, to insert indium net and amalgam (figure does not show).
The manufacture method of the electrodeless lamp of present embodiment is as follows:
A, interior pipe are made: 1) clean, dry glass tube; 2) inwall is coated with interior reflector layer; 3) outer wall is coated with fluorescent material and oven dry; 4) roasted tube; 5) clean interior pipe two ends prostitute, treat sealing-in;
B, outer tube are made: 1) clean, dry glass tube; 2) inwall is coated with nano aluminium oxide diaphragm and oven dry; 3) clean outer tube two ends nano aluminium oxide diaphragm, treat sealing-in;
The loudspeaker limit is turned at c, interior pipe two ends;
D, the glass sealing of inner and outer pipe two ends;
E, vacuum exhaust, fill working gas, annotate mercury etc.;
F, installation magnetic coupler;
G, installation lamp holder;
H, seasoned, the product inspection of fluorescent tube.
Claims (10)
1. electrodeless lamp, comprise be used for this electrodeless lamp be installed in lamp holder (3) on the lamp socket, scribble fluorescent material (11) fluorescent tube, be filled in the working gas (4) of this fluorescent tube and be contained in magnetic coupler (5) on this fluorescent tube, it is characterized in that: described fluorescent tube comprises outer tube (2) and is enclosed within the interior interior pipe (1) of this outer tube, an annular seal space is sealed and is formed at the two ends of interior pipe (1) and outer tube (2) between inner and outer pipes, described working gas (4) is filled in the sealing chamber, and described fluorescent material (11) is coated on the outer wall of interior pipe (1).
2. electrodeless lamp according to claim 1 is characterized in that: scribble reflector layer (12) on the inwall of pipe (1) in described.
3. electrodeless lamp according to claim 2 is characterized in that: described reflector layer (12) is the silver alloy minute surface of non-magnetic screen.
4. electrodeless lamp according to claim 2 is characterized in that: scribble nano aluminium oxide diaphragm (21) on the inwall of described outer tube (2).
5. electrodeless lamp according to claim 4 is characterized in that: pipe (1) and outer tube (2) are the rounded glass straight tube in cross section in described, and interior pipe and outer coaxial tube layout.
6. electrodeless lamp according to claim 5 is characterized in that: described lamp holder (3) is T5 lamp holder or T8 lamp holder, and described lamp holder has two, is installed in the two ends of described fluorescent tube respectively.
7. electrodeless lamp according to claim 6, it is characterized in that: described magnetic coupler (5) is contained in the inner chamber of interior pipe (1), it comprises coupling support (5-1) and is wrapped in coupling coil (5-2) on this coupling support, and coupling coil (5-2) links to each other with the lamp base (3-1) of lamp holder (3) by lead.
8. electrodeless lamp according to claim 7 is characterized in that: described magnetic coupler (5) is isometric with fluorescent tube and its two ends are concordant with the two ends of fluorescent tube.
9. according to each described electrodeless lamp in the claim 1 to 8, it is characterized in that: described fluorescent material (11) is three primary colors fluorescent powder.
10. according to each described electrodeless lamp in the claim 1 to 8, it is characterized in that: described working gas (4) is argon-mixed for krypton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101571995A CN102243983A (en) | 2011-06-13 | 2011-06-13 | Electrodeless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101571995A CN102243983A (en) | 2011-06-13 | 2011-06-13 | Electrodeless lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102243983A true CN102243983A (en) | 2011-11-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101571995A Pending CN102243983A (en) | 2011-06-13 | 2011-06-13 | Electrodeless lamp |
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| Country | Link |
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| CN (1) | CN102243983A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102543657A (en) * | 2012-02-17 | 2012-07-04 | 孙向阳 | Mercury-free electrodeless lamp |
| CN102760624A (en) * | 2012-07-16 | 2012-10-31 | 绍兴文理学院 | Manufacturing technology of electrodeless lamp |
| CN103208412A (en) * | 2012-01-17 | 2013-07-17 | 陈启彰 | Electrodeless lamp capable of self-reflecting |
| CN103258702A (en) * | 2012-02-20 | 2013-08-21 | 江苏百正光电科技有限公司 | Production line for production of low-frequency electrodeless lamp |
| CN105042355A (en) * | 2014-11-25 | 2015-11-11 | 上一国际光电股份有限公司 | Induction type fluorescent lamp system structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1550029A (en) * | 2001-10-24 | 2004-11-24 | 松下电工株式会社 | Electrodeless low pressure lamp with multiple ferrite cores and induction coils |
| CN101950716A (en) * | 2010-09-06 | 2011-01-19 | 福建源光亚明电器有限公司 | Long tubular internal-coupling electrodeless fluorescent lamp |
| CN202196751U (en) * | 2011-06-13 | 2012-04-18 | 苏州东大光普科技有限公司 | Electrodeless lamp |
-
2011
- 2011-06-13 CN CN2011101571995A patent/CN102243983A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1550029A (en) * | 2001-10-24 | 2004-11-24 | 松下电工株式会社 | Electrodeless low pressure lamp with multiple ferrite cores and induction coils |
| CN101950716A (en) * | 2010-09-06 | 2011-01-19 | 福建源光亚明电器有限公司 | Long tubular internal-coupling electrodeless fluorescent lamp |
| CN202196751U (en) * | 2011-06-13 | 2012-04-18 | 苏州东大光普科技有限公司 | Electrodeless lamp |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208412A (en) * | 2012-01-17 | 2013-07-17 | 陈启彰 | Electrodeless lamp capable of self-reflecting |
| CN102543657A (en) * | 2012-02-17 | 2012-07-04 | 孙向阳 | Mercury-free electrodeless lamp |
| CN103258702A (en) * | 2012-02-20 | 2013-08-21 | 江苏百正光电科技有限公司 | Production line for production of low-frequency electrodeless lamp |
| CN102760624A (en) * | 2012-07-16 | 2012-10-31 | 绍兴文理学院 | Manufacturing technology of electrodeless lamp |
| CN105042355A (en) * | 2014-11-25 | 2015-11-11 | 上一国际光电股份有限公司 | Induction type fluorescent lamp system structure |
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Application publication date: 20111116 |