JPS61159890U - - Google Patents
Info
- Publication number
- JPS61159890U JPS61159890U JP4374285U JP4374285U JPS61159890U JP S61159890 U JPS61159890 U JP S61159890U JP 4374285 U JP4374285 U JP 4374285U JP 4374285 U JP4374285 U JP 4374285U JP S61159890 U JPS61159890 U JP S61159890U
- Authority
- JP
- Japan
- Prior art keywords
- output transformer
- base
- winding
- switching transistor
- shield case
- 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
- 239000003990 capacitor Substances 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
第１図〜第４図はこの考案の一実施例を示すも
ので、第１図は回路図、第２図は断面図、第３図
は回路基板に対する回路部品の配置状態を示す図
、第４図はベースインダクタからの４次高調波以
上の放射ノイズを示すグラフ、第５図及び第６図
はこの考案の他の実施例を示す回路図、第７図は
出力トランスの電流波形とその周波数成分を示す
図、第８図はスイツチングトランジスタのコレク
タ・エミツタ間電圧波形とその周波数成分を示す
図である。
４……インバータ装置、５……出力トランス、
６……スイツチングトランジスタ、７……コンデ
ンサ、１１……ベースインダクタ、１５……放電
灯（負荷）、２６……シールドケース。
Figures 1 to 4 show an embodiment of this invention. Figure 1 is a circuit diagram, Figure 2 is a sectional view, Figure 3 is a diagram showing the arrangement of circuit components on a circuit board, and Figure 3 is a diagram showing the arrangement of circuit components on a circuit board. Figure 4 is a graph showing the radiation noise of the fourth harmonic or higher from the base inductor, Figures 5 and 6 are circuit diagrams showing other embodiments of this invention, and Figure 7 is the current waveform of the output transformer and its current waveform. FIG. 8 is a diagram showing the voltage waveform between the collector and emitter of a switching transistor and its frequency component. 4... Inverter device, 5... Output transformer,
6... Switching transistor, 7... Capacitor, 11... Base inductor, 15... Discharge lamp (load), 26... Shield case.
Claims (1)
して設けられ共振回路を構成するコンデンサ、前
記出力トランスの巻線に流れる電流を断続制御す
るスイツチングトランジスタ及びこのトランジス
タのベースと前記出力トランスのベース巻線との
間に介挿されたベースインダクタによつて構成さ
れ、前記ベースインダクタを電気的に接地するの
が困難なシールドケース内に収納するとともに、
前記出力トランスから出力される電力を負荷に供
給するインバータ装置において、前記ベースイン
ダクタのシールドケースの内面に前記スイツチン
グトランジスタを固定し、そのシールドケースを
前記スイツチングトランジスタの放熱板にも兼用
したことを特徴とするインバータ装置。 An output transformer, a capacitor provided in connection with the winding of the output transformer and forming a resonant circuit, a switching transistor for controlling the current flowing in the winding of the output transformer, and a base of the transistor and a base winding of the output transformer. The base inductor is housed in a shield case in which it is difficult to electrically ground the base inductor, and
In the inverter device that supplies power output from the output transformer to a load, the switching transistor is fixed to the inner surface of the shield case of the base inductor, and the shield case is also used as a heat sink for the switching transistor. An inverter device featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4374285U JPS61159890U (en) | 1985-03-26 | 1985-03-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4374285U JPS61159890U (en) | 1985-03-26 | 1985-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61159890U true JPS61159890U (en) | 1986-10-03 |
Family
ID=30555688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4374285U Pending JPS61159890U (en) | 1985-03-26 | 1985-03-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61159890U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01101191U (en) * | 1987-12-23 | 1989-07-07 |
-
1985
- 1985-03-26 JP JP4374285U patent/JPS61159890U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01101191U (en) * | 1987-12-23 | 1989-07-07 |
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