CN102537845A - Reflecting cover of electrodeless lamp - Google Patents
Reflecting cover of electrodeless lamp Download PDFInfo
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- CN102537845A CN102537845A CN2012100122989A CN201210012298A CN102537845A CN 102537845 A CN102537845 A CN 102537845A CN 2012100122989 A CN2012100122989 A CN 2012100122989A CN 201210012298 A CN201210012298 A CN 201210012298A CN 102537845 A CN102537845 A CN 102537845A
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- reflection shield
- reflecting cover
- circle
- involute
- fluorescent tube
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Abstract
The invention discloses a reflecting cover of an electrodeless lamp, comprising an outer reflecting cover and an annular lamp tube arranged in the outer reflecting cover, wherein an axis of the annular lamp tube is coaxial with a central axis of the outer reflecting cover; the center of the outer reflecting cover is fixedly provided with a reversed trumpet-shaped inner reflecting cover; a reversed trumpet-shaped curve surface of the inner reflecting cover is a curve surface which is formed by rotating one section of a circular involute around the central axis for one circle; the circular involute is formed by taking the lamp tube as a base circle; a side-wall curve surface of the outer reflecting cover is the curve surface which is formed by rotating one section of the circular involute around the central axis for one circle and the circular involute takes the lamp tube as a base circle; and the lamp tube is wound between the inner and outer reflecting covers. According to the invention, by ingeniously applying the characteristics of the involute, the reflecting cover is designed aiming to geometrical properties of the lamp tube of the electrodeless lamp; the inner reflecting cover is creatively and additionally arranged and a curve of a reflecting surface of the outer reflecting cover is combined, so that lights emitted by the lamp tube of the electrodeless lamp are reflected out and cannot reach the light source; and therefore, the light emitting efficiency of an electrodeless lamp system is greatly improved.
Description
Technical field
The present invention relates to a kind of reflection shield of lighting, especially a kind of reflection shield of electrodeless lamp.
Background technology
Electrodeless lamp is a kind of no filament, electrodeless illuminating product, is the abbreviation of electrode-less gas discharge fluorescent lamp, and its operation principle is that the electromagnetic field through radio-frequency generator is coupled to the gas avalanche ionization that makes in the lamp in the bulb with the mode of induction, forms plasma.The plasma-excited atom gives off ultraviolet ray when returning ground state, the fluorescent material of bulb inner wall receives ultraviolet ray excited generation visible light.
As a kind of novel light source, the present special-purpose reflection shield that does not also have to be directed against the geometrical property of electrodeless lamp fluorescent tube specially and design, existing common reflection shield mainly is to use the traditional Metal halogen lamp and the reflection shield of sodium vapor lamp; , the lamp tube shapes of electrodeless lamp is an annular, and itself and traditional light source form differ greatly; Therefore, when using traditional reflection shield, a lot of light meeting reflected back fluorescent tubes itself; Badly influence the light extraction efficiency of a whole set of illuminator of electrodeless lamp, can cause the overheated harm of fluorescent tube simultaneously.
Summary of the invention
In order to overcome the deficiency of prior art, the present invention provides the electrodeless lamp configuration design of a kind of supporting electrodeless lamp fluorescent tube, that reflector efficiency is high special-purpose reflection shield.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of reflection shield of electrodeless lamp; Comprise the annular lamp tube that outer reflection shield and Qi Nei are provided with; The axis of said annular lamp tube and outer reflection shield spigot shaft coaxle; It is characterized in that: said outer reflection shield center fixation be provided with inverted flaring in reflection shield, said in the tubaeform curved surface of inversion of reflection shield be by the involute of one section circle around the said central shaft formed curved surface that rotates a circle, the involute of said circle is as the formed involute of basic circle with fluorescent tube; The sidewall curved surface of said outer reflection shield also is to be the formed involute of basic circle with the fluorescent tube around the above-mentioned central shaft formed curved surface that rotates a circle by one section; Said fluorescent tube is looped around between the said inside and outside reflection shield.
As improvement of the present invention, the outer reflection shield top of the arbitrary circular cross-section of said fluorescent tube top is the V-type curve that caves inward, and said curve is that the involute by inside and outside reflection shield converges in the circular cross-section center of fluorescent tube and forms; Said V-type curve around central shaft rotate a circle form said outside the end face curve of reflection shield.
Said fluorescent tube is packed in the tube stand two ends through the retainer ring at two ends, and tube stand is fixed on outer reflection shield top, and said interior reflection shield covers said support and is fixed on the outer reflection shield.
The invention has the beneficial effects as follows: the present invention has used the characteristic of involute dexterously; The geometrical property of reflection shield to electrodeless lamp fluorescent tube designed; Match with the profile of electrodeless lamp fluorescent tube,, also set up interior reflection shield in a creative way except the art designs that the reflective surface curve of external reflection shield has carried out; Make electrodeless lamp fluorescent tube except that keeping original from 0 ° to 180 ° the normal bright dipping; Also increased the reflection bright dipping from 180 ° to 360 °, the light that fluorescent tube is sent all reflects away and does not arrive light source itself, thereby has improved the light extraction efficiency of electrodeless lamp illuminating system greatly.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Fig. 1 is an overall structure sketch map of the present invention;
Fig. 2 is the partial sectional view under the disassembled form of the present invention;
Fig. 3 is the luminous sketch map of the arbitrary section of the present invention;
Fig. 4 is the reflective schematic diagram of involute curve.
The specific embodiment
With reference to Fig. 1 ~ Fig. 3; A kind of reflection shield of electrodeless lamp; Comprise the annular lamp tube 2 that outer reflection shield 1 and Qi Nei are provided with, the axis of said annular lamp tube is coaxial with outer reflection shield central shaft OO ', and the center fixation of said outer reflection shield 1 is provided with inverted flaring interior reflection shield 3; In said the tubaeform curved surface of inversion of reflection shield 3 be by the involute of one section circle around said central shaft OO ' the formed curved surface that rotates a circle, the involute of said circle is to be the formed involute of basic circle with fluorescent tube 2; The sidewall curved surface 11 of said outer reflection shield 1 also be by one section with fluorescent tube 2 as the formed involute of basic circle around above-mentioned central shaft OO ' the formed curved surface that rotates a circle; Said fluorescent tube 2 is looped around said inside and outside reflection shield 3, between 1.
In the present embodiment, the outer reflection shield top of the arbitrary circular cross-section of said fluorescent tube 2 top is the V-type curve that caves inward, and said curve is that the involute by inside and outside reflection shield 3,1 converges in the circular cross-section center of fluorescent tube 2 and forms; Said V-type curve around central shaft OO ' rotate a circle form said outside the end face curve 12 of reflection shield.
Reflective schematic diagram with reference to the involute curve of Fig. 4.With fluorescent tube of the present invention is the formed involute of basic circle, E be on the lamp tube light source more arbitrarily, its light that sends, reflects outside the lamp body to P ' point through the P point reflection then.A bit send light on the light source arbitrarily and reflect the back all at the right-hand member of PE, that is to say that light finally all reflects away, and can not penetrate light echo source itself, like this, just reached the effect that improves light extraction efficiency through one or many.The V-type curved surface at outer reflection shield top 12 has equally also been followed above-mentioned rule, the luminous point at the fluorescent tube back side is fully reflected away and does not have any dead angle, and light extraction efficiency is more secure.
The present invention has used the reflective characteristic of involute dexterously; Reflection shield designs to the geometrical property of electrodeless lamp fluorescent tube; Match with the profile of electrodeless lamp,, also set up interior reflection shield in a creative way except the art designs that the reflective surface curve of external reflection shield has carried out; Make electrodeless lamp fluorescent tube except that keeping original from 0 ° to 180 ° the normal bright dipping; Also increased the reflection bright dipping from 180 ° to 360 °, the light that fluorescent tube is sent all reflects away and does not arrive light source itself, thereby has improved the light extraction efficiency of electrodeless lamp illuminating system greatly.
Obviously; Present embodiment is cited to be a kind of more excellent embodiment of the present invention; And not all embodiments, the essentially identical technical scheme of every employing and the present invention realizes the embodiment of essentially identical technique effect, all should belong to protection scope of the present invention.
In the present embodiment, fluorescent tube 2 is fixedly mounted on tube stand 4 two ends through the retainer ring 21 at two ends, and tube stand 4 fixedly mounts reflection shield 1 top outside, and said interior reflection shield 3 covers said support 4 and is fixed on the outer reflection shield 1.Therefore, the breakthrough design of interior reflection shield has not only improved the light extraction efficiency of electrodeless lamp greatly, but also can be used as the coverage and the decoration of tube stand 4, makes lamp interior can not seem in disorder, thus more agents enhance overall sense and aesthetic property.
Claims (3)
1. the reflection shield of an electrodeless lamp; Comprise outer reflection shield (1) and the annular lamp tube (2) that is provided with in it; The axis of said annular lamp tube and outer reflection shield central shaft (OO ') coaxial; It is characterized in that: said outer reflection shield (1) center fixation is provided with inverted flaring interior reflection shield (3); In said the tubaeform curved surface of inversion of reflection shield (3) be by the involute of one section circle around said central shaft (OO ') the formed curved surface that rotates a circle, the involute of said circle is to be the formed involute of basic circle with fluorescent tube (2); The sidewall curved surface (11) of said outer reflection shield (1) also is that formed curved surface rotates a circle around above-mentioned central shaft (OO ') as the formed involute of basic circle with fluorescent tube (2) by one section; Said fluorescent tube (2) is looped around between the said inside and outside reflection shield (3,1).
2. the reflection shield of a kind of electrodeless lamp according to claim 1; It is characterized in that: outer reflection shield (1) top of the arbitrary circular cross-section top of said fluorescent tube (2) is the V-type curve that caves inward, and said curve is that the involute by inside and outside reflection shield (3,1) converges in the circular cross-section center of fluorescent tube (2) and forms; Said V-type curve around central shaft (OO ') rotate a circle form said outside the end face curve (12) of reflection shield.
3. the reflection shield of a kind of electrodeless lamp according to claim 1; It is characterized in that: said fluorescent tube (2) is packed in tube stand (4) two ends through the retainer ring (21) at two ends; Tube stand (4) is fixed on outer reflection shield (1) top, and said interior reflection shield (3) covers said support (4) and is fixed on the outer reflection shield (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100122989A CN102537845A (en) | 2012-01-13 | 2012-01-13 | Reflecting cover of electrodeless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100122989A CN102537845A (en) | 2012-01-13 | 2012-01-13 | Reflecting cover of electrodeless lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102537845A true CN102537845A (en) | 2012-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100122989A Pending CN102537845A (en) | 2012-01-13 | 2012-01-13 | Reflecting cover of electrodeless lamp |
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| CN (1) | CN102537845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937266A (en) * | 2012-11-08 | 2013-02-20 | 上海森本照明科技股份有限公司 | Reflector of annular electrodeless fluorescent lamp |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201297573Y (en) * | 2008-11-26 | 2009-08-26 | 上海宏源照明电器有限公司 | Lighting-fixture reverberator of electrodeless fluorescent lamp |
| US20100110694A1 (en) * | 2008-10-31 | 2010-05-06 | General Electric Company | Compact beam former for induction hid lamp |
| CN102102854A (en) * | 2011-02-17 | 2011-06-22 | 毛有强 | Efficient reflector capable of enhancing brightness uniformity, and lamp |
| CN202452378U (en) * | 2012-01-13 | 2012-09-26 | 广东电力士照明科技有限公司 | reflector of electrodeless lamp |
-
2012
- 2012-01-13 CN CN2012100122989A patent/CN102537845A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100110694A1 (en) * | 2008-10-31 | 2010-05-06 | General Electric Company | Compact beam former for induction hid lamp |
| CN201297573Y (en) * | 2008-11-26 | 2009-08-26 | 上海宏源照明电器有限公司 | Lighting-fixture reverberator of electrodeless fluorescent lamp |
| CN102102854A (en) * | 2011-02-17 | 2011-06-22 | 毛有强 | Efficient reflector capable of enhancing brightness uniformity, and lamp |
| CN202452378U (en) * | 2012-01-13 | 2012-09-26 | 广东电力士照明科技有限公司 | reflector of electrodeless lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102937266A (en) * | 2012-11-08 | 2013-02-20 | 上海森本照明科技股份有限公司 | Reflector of annular electrodeless fluorescent lamp |
| CN102937266B (en) * | 2012-11-08 | 2016-04-20 | 上海森本照明科技股份有限公司 | A kind of reflector of annular non-polar fluorescent lamp |
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Application publication date: 20120704 |