CN201946572U - Electrodeless lamp - Google Patents
Electrodeless lamp Download PDFInfo
- Publication number
- CN201946572U CN201946572U CN2010206964455U CN201020696445U CN201946572U CN 201946572 U CN201946572 U CN 201946572U CN 2010206964455 U CN2010206964455 U CN 2010206964455U CN 201020696445 U CN201020696445 U CN 201020696445U CN 201946572 U CN201946572 U CN 201946572U
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- CN
- China
- Prior art keywords
- bulb shell
- base
- electrodeless lamp
- lamp
- lamp holder
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Abstract
The utility model relates to an electrodeless lamp which comprises a bulb shell, a base, a lamp holder, a power coupler and a high-frequency generator, wherein the lamp holder is connected with one end of a bulb and the base in a sleeving way; one end of the power coupler is fixed on the base and is electrically connected with the high-frequency generator; an electromagnetic coil is sleeved at the other end of the power coupler; openings are arranged at two ends of the bulb shell, and a central chamber communicated with the openings at the two ends and used for containing the power coupler is arranged bulb shell; and the chamber wall of the central chamber and the bulb shell form a sealed chamber. As the openings are arranged at the two ends of the bulb shell, and the central chamber is directly communicated with the outside, the heat generated by coil part can be quickly diffused out; compared with a traditional single-end base heat radiating structure, the heat radiating performance is better; and the temperature of the inner part of the electrodeless lamp can be effectively reduced.
Description
Technical field
The utility model relates to field of illuminating lamps, relates in particular to a kind of electrodeless lamp.
Background technology
Electrodeless lamp belong to the 4th generation illuminating product, i.e. electrode-less gas discharge fluorescent lamp.Compare with conventional light source such as electricity-saving lamp, Metal halogen lamp, high-pressure sodium lamps, have significant superiority.Electrodeless 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, magnetic material are developed out, be a kind of high light efficiency, long-life, high-color rendering, represent the new type light source of lighting technology future thrust.Electrodeless lamp is divided into HF lamp without electrodes and low frequency electrodeless lamp, and principle of luminosity is basic identical, but difference is very big on the structure.The HF lamp without electrodes volume is little, and the bulb profile variation is more, and it is many to join light fixture, higher with light efficiency under the constant power, and bulb adopts the aluminum oxide coating layer of Nano grade, can stop electromagnetic radiation.But traditional electrodeless lamp generally adopts single face base radiator structure, and heat dispersion is relatively poor, has influenced the research and development and the application of high-power electrodeless lamp product.
The utility model content
Based on this, be necessary to provide a kind of electrodeless lamp of good heat dispersion performance.
A kind of electrodeless lamp, comprise bulb shell, base, lamp holder, power coupler and radio-frequency generator, one end and the base of lamp holder socket bulb shell, power coupler one end is fixed on the base and electrically connects with radio-frequency generator, the sheathed solenoid of the other end, offer the center cavity that is used to hold power coupler that is communicated with both ends open in bulb shell both ends open and the bulb shell, form annular seal space between the chamber wall of center cavity and the bulb shell.
In a preferred embodiment, an end of bulb shell is socketed on the inboard of lamp holder, and lamp holder is provided with through hole.
In a preferred embodiment, bulb shell is shaped as pyriform, olive shape or claps shape.
In a preferred embodiment, the inboard of bulb shell scribbles fluorescent material.
In a preferred embodiment, annular seal space inside is provided with amalgam device at the end with the lamp holder socket.
In a preferred embodiment, the chamber wall of bulb shell and center cavity is formed in one.
Because the bulb shell two ends are provided with opening, center cavity directly is communicated with extraneous, thereby the heat that solenoid partly produces can spread out comparatively rapidly, than traditional single-ended base radiator structure, heat dispersion is better, can effectively reduce electrodeless lamp internal temperature, improved the utilance of internal magnetic material, the luminous efficiency of light fixture and inner components and parts useful life, promoted the stability of product photoelectric color parameter, by reducing the product bulk temperature, the inner fluorescent material optical attenuation of bulb shell is reduced greatly, thereby accelerated the development speed of electrodeless lamp product high-power direction.
Further preferred, lamp holder is provided with through hole, thereby the center cavity two ends all connect with extraneous, can form the inner air and outer air convection current, have further strengthened the heat dispersion of electrodeless lamp.
Description of drawings
Fig. 1 is the electrodeless lamp explosive view of an embodiment;
Fig. 2 is the electrodeless lamp finished figure of Fig. 1 embodiment;
Fig. 3 is a gaseous exchange schematic diagram in the electrodeless lamp of Fig. 1 embodiment.
Embodiment
Mainly reaching specific embodiment below in conjunction with the accompanying drawings is described in further detail electrodeless lamp.
As shown in Figure 1 and Figure 2, the electrodeless lamp 100 of an embodiment comprises: bulb shell 110, base 120, lamp holder 130, power coupler 140 and radio-frequency generator 150.Wherein, an end and the base 120 of lamp holder 130 socket bulb shells 110.Be provided with the center cavity 160 that holds power coupler 140 in the bulb shell 110.One end of power coupler 140 is fixed on the base 120, and electrically connects with radio-frequency generator 150, and the other end is with solenoid 170, stretches into center cavity 160 inside.The bulb shell 110 of present embodiment is provided with at the end away from base 120 and connects outside opening 112, thereby the bulb shell two ends are equipped with opening.Center cavity is in the end open communication 112 away from base 120, and formation annular seal space 114 between the chamber wall 162 of center cavity 160 and the bulb shell 110.
The blank area 116 of lamp holder 130 and bulb shell 110 and the blank area 122 of base 120 are suitable, by telescopic lap splice part 116 and 122 bulb shell 110 and base 120 are linked together.As shown in Figure 3, the lamp holder 130 of present embodiment is provided with through hole 132.
The metal materials such as aluminium, copper or nickel of power coupler 140 preferred good heat dispersion performance.The power coupler 140 of present embodiment is the column structure, and an end is fixed on the base 120, electrically connects with radio-frequency generator 1 50, and the other end is with solenoid 170.
After connecting alternating current,, further excite the mercury atoms of annular seal space 114 inside near solenoid 170, form plasma by the electromagnetic field that radio-frequency generator 150 changes.Plasma is excited principle radiation ultraviolet ray when returning ground state.The fluorescent material of bulb shell 110 inboards is subjected to ultraviolet ray excited generation visible light.
Because bulb shell 110 two ends are provided with opening, center cavity 160 directly is communicated with extraneous, thereby the heat that solenoid 170 parts produce can spread out comparatively rapidly, than traditional single-ended base radiator structure, heat dispersion is better, can effectively reduce electrodeless lamp internal temperature, improved the utilance of internal magnetic material, the luminous efficiency of light fixture and inner components and parts useful life, promoted the stability of product photoelectric color parameter, by reducing the product bulk temperature, bulb shell 110 inner fluorescent material optical attenuations are reduced greatly, thereby accelerated the development speed of electrodeless lamp product high-power direction.
Further preferred, lamp holder 130 is provided with through hole 132, thereby center cavity 160 two ends connect with extraneous.As shown in Figure 3, gas can flow along the described direction of arrow among the figure.Electrodeless lamp 100 is in luminescence process, and the inner heat that produces can form the inner air and outer air convection current, has accelerated the speed that inside and outside gas exchanges, and heat dispersion is further strengthened, and the stability and the reliability of electrodeless lamp 100 further strengthen.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (6)
1. electrodeless lamp, comprise bulb shell, base, lamp holder, power coupler and radio-frequency generator, one end and the base of described lamp holder socket bulb shell, described power coupler one end is fixed on the described base and electrically connects with described radio-frequency generator, the sheathed solenoid of the other end, it is characterized in that, offer the center cavity that is used to hold described power coupler that is communicated with both ends open in described bulb shell both ends open and the described bulb shell, form annular seal space between the chamber wall of described center cavity and the described bulb shell.
2. electrodeless lamp as claimed in claim 1 is characterized in that an end of described bulb shell is socketed on the inboard of described lamp holder, and described lamp holder is provided with through hole.
3. electrodeless lamp as claimed in claim 1 is characterized in that, described bulb shell is shaped as pyriform, olive shape or claps shape.
4. electrodeless lamp as claimed in claim 1 is characterized in that the inboard of described bulb shell scribbles fluorescent material.
5. electrodeless lamp as claimed in claim 1 is characterized in that, described annular seal space inside is provided with amalgam device at the end with described lamp holder socket.
6. electrodeless lamp as claimed in claim 1 is characterized in that, the chamber wall of described bulb shell and described center cavity is formed in one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206964455U CN201946572U (en) | 2010-12-31 | 2010-12-31 | Electrodeless lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206964455U CN201946572U (en) | 2010-12-31 | 2010-12-31 | Electrodeless lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201946572U true CN201946572U (en) | 2011-08-24 |
Family
ID=44473908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206964455U Expired - Fee Related CN201946572U (en) | 2010-12-31 | 2010-12-31 | Electrodeless lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201946572U (en) |
-
2010
- 2010-12-31 CN CN2010206964455U patent/CN201946572U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110824 Termination date: 20111231 |