CN101211749A - Electrodeless induction lamp with a plurality of closed loop circuit - Google Patents
Electrodeless induction lamp with a plurality of closed loop circuit Download PDFInfo
- Publication number
- CN101211749A CN101211749A CNA2006100636883A CN200610063688A CN101211749A CN 101211749 A CN101211749 A CN 101211749A CN A2006100636883 A CNA2006100636883 A CN A2006100636883A CN 200610063688 A CN200610063688 A CN 200610063688A CN 101211749 A CN101211749 A CN 101211749A
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- lamp
- closed circuits
- lamp housing
- electrodeless
- induction lamp
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Abstract
An electrodeless sensor light provided with a plurality of closed loops comprises an electrodeless discharge cavity (10) comprising a lamp shell which constitutes the closed loop, and the lamp shell is filled with mercury vapor and inert gas, at least one transformer core (2) which is placed with surrounding the lamp shell, at least one coil winding (3) arranged on the transformer core (2) and connected with an RF power supply (1). The invention is characterized in that the lamp shell is at least provided with two closed loops (6, 7, 8 and 9). The invention can be used for constructing a plurality of styles of electrodeless discharge lamps and the device of the invention has the advantages of easy start-up, easy realization of output with large power, etc.
Description
Technical field
The present invention relates to discharge lamp, particularly the electrodeless induction discharge lamp.
Background technology
It from the patent No. 96191079.8 the known this discharge lamp of Chinese patent.This kind discharge lamp comprises: the electrodeless discharge chamber, and it comprises and is filled with the tubular lamp shell that the filling material is mercury and inert gas that described lamp housing constitutes a closed circuit; Be looped around described lamp housing and be provided with at least one transformer core; Be provided with coil windings at described transformer core; The radio-frequency power supply that is connected with coil windings is used for enough high-frequency energies are supplied with described mercuryvapour and described inert gas, so that produce the discharge that discharging current is equal to or greater than 2A in described lamp housing; And the frequency of wherein said radio-frequency power supply is in the scope of 50KHz to 3MHz.In this kind discharge lamp, described lamp housing only has a closed circuit, and this makes the structure of the structure of this kind discharge lamp and shape single, and its practical application is restricted.
Summary of the invention
The objective of the invention is to provide a kind of new electrodeless induction lamp, make it have a plurality of closed circuits,, expand its range of application so that make up multiple structure and shape.
In order to achieve the above object, the present invention adopts following technical scheme: according to the present invention, have the electrodeless induction lamp of a plurality of closed circuits, comprising: the electrodeless discharge chamber, it comprises the lamp housing that constitutes closed circuit, is filled with mercuryvapour and the inert gas that plays the buffer gas effect in the lamp housing; At least one transformer core is placed around described lamp housing; At least one coil windings, its coil windings have at least the part winding to be arranged on the described transformer core; With the radio-frequency power supply that described coil windings is connected, be used for radio-frequency (RF) energy is supplied with described mercuryvapour and described inert gas so that produce discharge in described electrodeless discharge chamber; It is characterized in that the lamp housing in described electrodeless discharge chamber has two closed circuits at least.
Described electrodeless discharge chamber comprises the fluoresent coating on the described lamp housing inner surface, and described fluoresent coating produces visible radiation in response to the ultraviolet radiation by described discharge emission.
The frequency of described radio-frequency power supply is between 50KHz to 3MHz, preferably between 100KHz to 400KHz; Described radio-frequency power supply can be made of a plurality of radio-frequency power supply, and they can provide radio-frequency (RF) energy for respectively a plurality of coil windings on the transformer core that is arranged on the different closed circuits, to control the discharge work of different closed circuits.
Described lamp housing can be tubular lamp shell, and the cross section of its tubular lamp shell can adopt shapes such as circle, ellipse, and the cross sectional dimensions of its tubular lamp shell is 20～80 millimeters scope, preferably 30～60 millimeters scope; Described lamp housing also can be the lamp housing of other shape; For example, lamp housing partly adopts tubulose, and part adopts blister, constitutes the lamp housing with a plurality of closed circuits by them.
Described lamp housing can comprise that one constitutes the closure tube and a straight tube of annulus, and the closure tube of the two ends of its straight tube and described formation annulus side within it is communicated with respectively, and formation has the lamp housing of a plurality of closed circuits.
Described lamp housing also can comprise two straight tubes that be arranged in parallel and three side pipes, wherein the two ends of two straight tubes that be arranged in parallel are communicated with two side pipes, another side pipe is communicated with at the middle part of two straight tubes that be arranged in parallel, constitutes the lamp housing with a plurality of closed circuits.
The lamp housing of described formation closed circuit can be in the same plane; Can be not in the same plane yet, to constitute three-dimensional contouring.
Described lamp housing can constitute by seeing through ultraviolet material, and described electrodeless discharge chamber emission ultraviolet radiation.
Described transformer core can adopt loop configuration, and its iron core constitutes with Ferrite Material usually, preferably selects MnZn ferrite material for use, also can select nickel-zinc-ferrite material for use; Its iron core preferably is cut into two, and the position, hole of cutting the back iron core is opened wide, so that described lamp housing can be put into the Kong Weizhong of iron core easily, each end of the magnetic core that is cut open is ground smoothly.
Described coil windings except that part of winding that is arranged on described transformer core, also has the part winding to be arranged on the described lamp housing, to help the startup of lamp; The number of turns that is arranged on the coil windings on the described transformer core can be selected in 1 circle between 30 circles, preferably between 5 circles enclose to 20.
Described inert gas can be inert gas and their mixtures such as argon, krypton.Described mercuryvapour can be provided by the mercury of liquid state, also can be provided by solid-state mercury, and as amalgam, its amalgam can be arranged in the blast pipe; The air pressure of the inert gas in its lamp housing is usually less than 1 torr, is preferably lower than 0.6 torr.
On the tubular lamp shell of described formation closed circuit, can be provided with and expose the less insede exhaust pipe of size, the better simply external blast pipe of manufacture craft also can be set.
The present invention has following good effect:
Because the present invention has adopted the lamp housing that has two closed circuits at least, can make up the electrodeless induction lamp of multiple style easily, has expanded range of application greatly; Owing to have a plurality of closed circuits, help each closed circuit is controlled respectively in addition, for example can adopt a plurality of radio-frequency power supplies to provide high-frequency energy, produce powerful electrodeless induction lamp easily different closed circuits; Moreover, adopt the lamp housing of a plurality of closed circuits, have short discharge loop, help the startup of lamp.
Description of drawings
Fig. 1 is the schematic diagram with electrodeless induction lamp of a plurality of closed circuits of the present invention;
Fig. 2 is the schematic diagram of an alternative embodiment of the invention;
Fig. 3 is the schematic diagram of the 3rd embodiment of the present invention;
Fig. 4 is the schematic diagram of the 4th embodiment of the present invention;
Fig. 5 is the schematic diagram of the 5th embodiment of the present invention;
Fig. 6 is the schematic diagram of another embodiment of the present invention.
Embodiment
Fig. 1 shows the structure with electrodeless induction lamp of a plurality of closed circuits of the present invention.Electrodeless discharge chamber 10, it comprises the lamp housing that constitutes closed circuit, described lamp housing comprises that one constitutes the closure tube 4 and a straight tube 5 of annulus, the closure tube of the two ends of its straight tube and described formation annulus side within it is communicated with respectively, constitute lamp housing with two closed circuits 6,7, be filled with mercuryvapour in the lamp housing and play the inert gas of buffer gas effect, and on the lamp housing inner surface, scribble fluoresent coating; Two transformer cores 2 are placed around described closure tube 4; On two transformer cores 2, all be provided with coil windings 3; Be connected on the radio-frequency power supply 1 after two coil windings 3 parallel connections; This radio-frequency power supply is used for radio-frequency (RF) energy is supplied with described mercuryvapour and described inert gas, can make electrodeless discharge chamber 10 in the lamp housing of two closed circuits 6,7, form stable discharge, thereby the generation ultraviolet radiation, this ultraviolet radiation produces visible radiation by described fluoresent coating.
Fig. 2 shows another embodiment of apparatus of the present invention.The electrodeless discharge chamber 10 of this embodiment is identical with electrodeless discharge chamber 10 shown in Figure 1, in the present embodiment, has only a transformer core 2 to be arranged on the straight tube 5, is provided with coil windings 3 at this transformer core 2, and this winding is connected with radio-frequency power supply 1.As seen from the figure, the lamp housing in the electrodeless discharge chamber 10 of present embodiment also has two closed circuits 6,7.
Fig. 3 is the schematic diagram of the 3rd embodiment of the present invention.As seen from the figure, the lamp housing of this embodiment has four at least and has closed circuit 6,7,8,9, has four transformer cores 2 that have coil windings 3 to be arranged on this lamp housing, and radio-frequency power supply 1 is connected with the coil windings of four parallel connections.As long as the end of the same name of each coil windings is provided with suitably, for example adopt the end of the same name shown in the figure to connect, just can in this lamp housing, form stable discharge.
Fig. 4 shows the 4th embodiment of the present invention.As seen from the figure, the lamp housing in this electrodeless discharge chamber 10 comprises 11,12 and three side pipes 13,14,15 of two straight tubes that be arranged in parallel, wherein the two ends of two straight tubes that be arranged in parallel 11,12 are communicated with two side pipes 13,15, another side pipe 14 is communicated with at the middle part of two straight tubes that be arranged in parallel 11,12, has so just constituted the lamp housing with two closed circuits 6,7; On two side pipes 13,15, be provided with two transformer cores 2 that have coil windings 3; Two coil windings 3 of radio-frequency power supply 1 and this are connected to provide radio-frequency (RF) energy to supply with described mercuryvapour and described inert gas so that produce discharge in described electrodeless discharge chamber 10.
Fig. 5 shows the 5th embodiment of the present invention.As seen from the figure, this embodiment is similar to embodiment shown in Figure 4, has just increased a transformer core 2 that has coil windings 3 in the embodiment shown in fig. 4, and it is set on the side pipe 14, with the radio-frequency (RF) energy of increasing supply, help improving the power of lamp.
Fig. 6 is another embodiment of the present invention.As seen from the figure, this embodiment has increased a closed circuit 8 on the basis of embodiment shown in Figure 5, and has increased a transformer core 2 that has coil windings 3.The lamp of this multiple loop, multiple transformers iron core is realized high-power output easily.
Although showed and described and thought preferred embodiments of the invention at present, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present invention that is limited by appended claims.
Claims (10)
1. have the electrodeless induction lamp of a plurality of closed circuits, comprising:
Electrodeless discharge chamber (10), it comprises the lamp housing that constitutes closed circuit, is filled with mercuryvapour and the inert gas that plays the buffer gas effect in the lamp housing;
At least one transformer core (2) is placed around described lamp housing;
At least one coil windings (3), its coil windings have at least the part winding to be arranged on the described transformer core (2);
The radio-frequency power supply (1) that is connected with described coil windings (3) is used for that radio-frequency (RF) energy is supplied with described mercuryvapour and described inert gas discharges so that produce in described electrodeless discharge chamber;
It is characterized in that the lamp housing in described electrodeless discharge chamber (10) has two closed circuits (6,7,8,9) at least.
2. the electrodeless induction lamp with a plurality of closed circuits as claimed in claim 1, it is characterized in that, described electrodeless discharge chamber (10) comprises the fluoresent coating on the described lamp housing inner surface, and described fluoresent coating produces visible radiation in response to the ultraviolet radiation by described discharge emission.
3. the electrodeless induction lamp with a plurality of closed circuits as claimed in claim 1 is characterized in that, the frequency of described radio-frequency power supply (1) is between 50KHz to 3MHz, preferably between 100KHz to 400KHz.
4. the electrodeless induction lamp with a plurality of closed circuits as claimed in claim 1 is characterized in that, described lamp housing is a tubular lamp shell, and the cross sectional dimensions of its tubular lamp shell is 20～80 millimeters scope.
5. the electrodeless induction lamp with a plurality of closed circuits as claimed in claim 1 is characterized in that, described transformer core (2) has loop configuration.
6. the electrodeless induction lamp with a plurality of closed circuits as claimed in claim 1, it is characterized in that, described lamp housing comprises that one constitutes the closure tube (4) and a straight tube (5) of annulus, the closure tube of the two ends of its straight tube and described formation annulus side within it is communicated with respectively, constitutes to have a plurality of closed circuits (6,7).
7. the electrodeless induction lamp with a plurality of closed circuits as claimed in claim 1, it is characterized in that, described lamp housing comprises two straight tubes that be arranged in parallel (11,12) and three side pipes (13,14,15), wherein the two ends of two straight tubes that be arranged in parallel (11,12) are communicated with two side pipes (13,15), another side pipe (14) is communicated with at the middle part of two straight tubes that be arranged in parallel (11,12), constitutes to have a plurality of closed circuits (6,7).
8. as the described electrodeless induction lamp of one of claim 1 to 7, it is characterized in that the air pressure of the inert gas in the described lamp housing is lower than 1 torr, is preferably lower than 0.6 torr with a plurality of closed circuits.
9. as the described electrodeless induction lamp of one of claim 1 to 7, it is characterized in that described coil windings (3) also has the part winding to be arranged on the described lamp housing with a plurality of closed circuits.
10. as the described electrodeless induction lamp of one of claim 1 to 5, it is characterized in that described lamp housing is a tubular lamp shell with a plurality of closed circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100636883A CN101211749A (en) | 2006-12-28 | 2006-12-28 | Electrodeless induction lamp with a plurality of closed loop circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006100636883A CN101211749A (en) | 2006-12-28 | 2006-12-28 | Electrodeless induction lamp with a plurality of closed loop circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101211749A true CN101211749A (en) | 2008-07-02 |
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ID=39611672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100636883A Pending CN101211749A (en) | 2006-12-28 | 2006-12-28 | Electrodeless induction lamp with a plurality of closed loop circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101211749A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152664A1 (en) * | 2008-06-18 | 2009-12-23 | 福建源光亚明电器有限公司 | Annular electrodeless fluorescent lamp assembly with lamp head |
| CN101740315B (en) * | 2009-07-24 | 2012-08-22 | 江苏源光照明电器有限公司 | Rectangular electrodeless lamp |
| CN105513940A (en) * | 2016-01-08 | 2016-04-20 | 成都东旭节能科技有限公司 | Double-tube bulb shell |
| CN110504513A (en) * | 2019-08-28 | 2019-11-26 | 胡银松 | Ceramic filter is used in a kind of 5G communication |
-
2006
- 2006-12-28 CN CNA2006100636883A patent/CN101211749A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009152664A1 (en) * | 2008-06-18 | 2009-12-23 | 福建源光亚明电器有限公司 | Annular electrodeless fluorescent lamp assembly with lamp head |
| CN101740315B (en) * | 2009-07-24 | 2012-08-22 | 江苏源光照明电器有限公司 | Rectangular electrodeless lamp |
| CN105513940A (en) * | 2016-01-08 | 2016-04-20 | 成都东旭节能科技有限公司 | Double-tube bulb shell |
| CN110504513A (en) * | 2019-08-28 | 2019-11-26 | 胡银松 | Ceramic filter is used in a kind of 5G communication |
| CN110504513B (en) * | 2019-08-28 | 2020-12-29 | 南京华脉科技股份有限公司 | Ceramic filter for 5G communication |
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Open date: 20080702 |