JPH0273796U - - Google Patents
Info
- Publication number
- JPH0273796U JPH0273796U JP1988154143U JP15414388U JPH0273796U JP H0273796 U JPH0273796 U JP H0273796U JP 1988154143 U JP1988154143 U JP 1988154143U JP 15414388 U JP15414388 U JP 15414388U JP H0273796 U JPH0273796 U JP H0273796U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- shield plate
- switching element
- area
- 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
- 230000002265 prevention Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 8
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Description
第1図はこの考案の第1の実施例のプリント基
板をケースに収納する前の状態の説明図、第2図
はプリント基板の収納状態の断面図、第3図はイ
ンバータ装置の回路図、第4図は第2の実施例の
説明図、第5図はその断面図、第6図は従来例の
回路図、第7図は雑音の電源帰還ループを説明す
る説明図、第8図は従来例の説明図、第9図はそ
の断面図、第10図は他の従来例の説明図、第1
1図はその断面図である。
1……プリント基板、2……スイツチング素子
、3……スイツチング駆動回路、4……シールド
板、5……ケース。
FIG. 1 is an explanatory diagram of the first embodiment of the invention before the printed circuit board is stored in the case, FIG. 2 is a sectional view of the printed circuit board in the stored state, and FIG. 3 is a circuit diagram of the inverter device. Fig. 4 is an explanatory diagram of the second embodiment, Fig. 5 is a cross-sectional view thereof, Fig. 6 is a circuit diagram of a conventional example, Fig. 7 is an explanatory diagram illustrating a noise power supply feedback loop, and Fig. 8 is an explanatory diagram of the second embodiment. An explanatory diagram of a conventional example, FIG. 9 is a cross-sectional view thereof, and FIG. 10 is an explanatory diagram of another conventional example.
Figure 1 is a sectional view thereof. 1... Printed circuit board, 2... Switching element, 3... Switching drive circuit, 4... Shield plate, 5... Case.
Claims (1)
たスイツチング素子と、前記プリント基板の前記
スイツチング素子の直下を含む近傍の領域に実装
されたスイツチング駆動回路と、前記領域に対面
配置された雑音防止用のシールド板と、前記プリ
ント基板および前記シールド板を収納しかつアー
スしたケースとを備えたインバータ装置。 A printed circuit board, a switching element installed upright on the printed circuit board, a switching drive circuit mounted on a nearby area of the printed circuit board including directly below the switching element, and a noise prevention circuit disposed facing the area. An inverter device comprising a shield plate, and a case that houses the printed circuit board and the shield plate and is grounded.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988154143U JPH0273796U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988154143U JPH0273796U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0273796U true JPH0273796U (en) | 1990-06-05 |
Family
ID=31430613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988154143U Pending JPH0273796U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0273796U (en) |
-
1988
- 1988-11-25 JP JP1988154143U patent/JPH0273796U/ja active Pending