JPH048116U - - Google Patents
Info
- Publication number
- JPH048116U JPH048116U JP4558790U JP4558790U JPH048116U JP H048116 U JPH048116 U JP H048116U JP 4558790 U JP4558790 U JP 4558790U JP 4558790 U JP4558790 U JP 4558790U JP H048116 U JPH048116 U JP H048116U
- Authority
- JP
- Japan
- Prior art keywords
- load
- smoothing
- electromagnetic load
- supplying
- electromagnetic
- 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
- 238000009499 grossing Methods 0.000 claims description 4
- 230000001939 inductive effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 1
Landscapes
- Control Of Voltage And Current In General (AREA)
Description
第１図は一実施例の電磁負荷駆動回路の回路図
、第２図は一実施例の電磁負荷駆動回路の要部回
路図、第３図はサージ電圧とチヤージ電圧の関係
を示す図、第４図は従来の電磁負荷駆動回路の回
路図、第５図は電磁負荷駆動回路の動作を説明す
るタイムチヤートである。
４……電磁負荷駆動回路、５……モータ、７…
…電磁クラツチ、８……平滑／電荷保持回路、９
……インバータ、１０……ダイオード、Ｑ４〜Ｑ
７……トランジスタ。
FIG. 1 is a circuit diagram of an electromagnetic load drive circuit according to an embodiment, FIG. 2 is a circuit diagram of a main part of an electromagnetic load drive circuit according to an embodiment, FIG. 3 is a diagram showing the relationship between surge voltage and charge voltage, and FIG. FIG. 4 is a circuit diagram of a conventional electromagnetic load drive circuit, and FIG. 5 is a time chart explaining the operation of the electromagnetic load drive circuit. 4... Electromagnetic load drive circuit, 5... Motor, 7...
...Electromagnetic clutch, 8...Smoothing/charge retention circuit, 9
...Inverter, 10...Diode, Q 4 ~Q
7 ...transistor.
Claims (1)
導性負荷と、該誘導性負荷に供給する電圧より高
い電圧で起動する電磁負荷とを備える電子機器の
電磁負荷駆動回路において、 前記誘導性負荷への電流の供給／非供給の切り
換えにより発生するサージ電圧を平滑しチヤージ
する平滑保持手段と、前記電磁負荷の起動時前記
平滑保持手段のチヤージ電圧を前記電磁負荷へ供
給する供給制御手段とを有することを特徴とする
電磁負荷駆動回路。[Claims for Utility Model Registration] In an electromagnetic load drive circuit for an electronic device comprising an inductive load driven by a pulse drive signal of a predetermined period and an electromagnetic load activated at a voltage higher than the voltage supplied to the inductive load. , smoothing holding means for smoothing and charging surge voltage generated by switching between supplying and non-supplying of current to the inductive load; and supplying the charged voltage of the smoothing holding means to the electromagnetic load when starting the electromagnetic load. An electromagnetic load drive circuit comprising supply control means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4558790U JPH048116U (en) | 1990-04-27 | 1990-04-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4558790U JPH048116U (en) | 1990-04-27 | 1990-04-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH048116U true JPH048116U (en) | 1992-01-24 |
Family
ID=31559901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4558790U Pending JPH048116U (en) | 1990-04-27 | 1990-04-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH048116U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55162878A (en) * | 1979-06-05 | 1980-12-18 | Seiko Epson Corp | Dc-dc converter |
| JPS56128927A (en) * | 1980-03-12 | 1981-10-08 | Nippon Seimitsu Kogyo Kk | Solenoid-driven shutter device |
-
1990
- 1990-04-27 JP JP4558790U patent/JPH048116U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55162878A (en) * | 1979-06-05 | 1980-12-18 | Seiko Epson Corp | Dc-dc converter |
| JPS56128927A (en) * | 1980-03-12 | 1981-10-08 | Nippon Seimitsu Kogyo Kk | Solenoid-driven shutter device |
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