JPH0362409U - - Google Patents
Info
- Publication number
- JPH0362409U JPH0362409U JP12429189U JP12429189U JPH0362409U JP H0362409 U JPH0362409 U JP H0362409U JP 12429189 U JP12429189 U JP 12429189U JP 12429189 U JP12429189 U JP 12429189U JP H0362409 U JPH0362409 U JP H0362409U
- Authority
- JP
- Japan
- Prior art keywords
- heat sink
- circuit board
- printed circuit
- semiconductor element
- preamplifier
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims 2
- 230000010355 oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Description
第１図は本考案の実施例の正面図、第２図は同
上の側面図、第３図はａ〜ｃは同上のバネ金具の
平面図、正面図及び斜視図、第４図は無電極点灯
装置の回路図である。
１……無電極放電灯、２……駆動用コイル、３
，４……半導体素子、５……プリント基板、６，
７……支持具、８……反射板、９……第１の放熱
板、１１……第２の放熱板、１３……バネ金具で
ある。
Fig. 1 is a front view of the embodiment of the present invention, Fig. 2 is a side view of the same, Fig. 3 is a plan view, a front view, and a perspective view of the spring fitting of the same as above, Fig. 4 is an electrodeless It is a circuit diagram of a lighting device. 1... Electrodeless discharge lamp, 2... Drive coil, 3
, 4... semiconductor element, 5... printed circuit board, 6,
7...Support, 8...Reflector, 9...First heat sink, 11...Second heat sink, 13...Spring fitting.
Claims (1)
なる無電極放電灯と、無電極放電灯に近接して高
周波電流を流す駆動用コイルと、駆動用コイルに
高周波電流を供給するためのパワーアンプ、プリ
アンプ、発振回路、電源等からなる点灯回路を実
装したプリント基板と、プリント基板とは支持具
を介して結合される薄板状の反射板とを備えた無
電極点灯装置において、上記反射板の端部に接合
させた第１の放熱板と、第１の放熱板に接触する
ようにプリント基板上に実装したパワーアンプの
半導体素子と、この半導体素子と第１の放熱板と
を圧接させるバネ金具と、第１の放熱板及び反射
板から高周波的に分離独立したプリント基板上の
位置に実装し、上記プリアンプの半導体素子用の
第２の放熱板とを備えたことを特徴とする無電極
点灯装置。 An electrodeless discharge lamp consisting of a translucent bulb filled with rare gas and metal vapor, a driving coil that flows a high-frequency current in close proximity to the electrodeless discharge lamp, and a power amplifier that supplies the high-frequency current to the driving coil. , a printed circuit board on which a lighting circuit consisting of a preamplifier, an oscillation circuit, a power supply, etc. is mounted, and a thin reflector plate that is connected to the printed circuit board via a support. A first heat sink joined to an end portion, a semiconductor element of a power amplifier mounted on a printed circuit board so as to be in contact with the first heat sink, and a spring that presses the semiconductor element and the first heat sink. An electrodeless device characterized by comprising a metal fitting and a second heat sink for the semiconductor element of the preamplifier, which is mounted on a printed circuit board that is separated and independent in terms of high frequency from the first heat sink and the reflector. lighting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12429189U JPH0362409U (en) | 1989-10-24 | 1989-10-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12429189U JPH0362409U (en) | 1989-10-24 | 1989-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0362409U true JPH0362409U (en) | 1991-06-19 |
Family
ID=31672221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12429189U Pending JPH0362409U (en) | 1989-10-24 | 1989-10-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0362409U (en) |
-
1989
- 1989-10-24 JP JP12429189U patent/JPH0362409U/ja active Pending
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