JPH0249388U - - Google Patents

Info

Publication number
JPH0249388U
JPH0249388U JP12744488U JP12744488U JPH0249388U JP H0249388 U JPH0249388 U JP H0249388U JP 12744488 U JP12744488 U JP 12744488U JP 12744488 U JP12744488 U JP 12744488U JP H0249388 U JPH0249388 U JP H0249388U
Authority
JP
Japan
Prior art keywords
voltage
circuit
constant voltage
switching element
capacitor
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
Application number
JP12744488U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP12744488U priority Critical patent/JPH0249388U/ja
Publication of JPH0249388U publication Critical patent/JPH0249388U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案にかかるモータの駆動装置の一
実施例の構成図、第２図は第１図の装置の動作説
明図、第３図は本考案にかかる装置の適用例を示
した図、第４図は従来におけるモータの駆動装置
の構成例を示した図である。 Ｑ１，Ｑ２……スイツチング素子、Ｅ１，Ｅ２
，ＤＤ１……電源、Ｇ１，Ｇ２……ゲート駆動回
路、Ａ１，Ａ２……定電圧回路、Ｂ……ブートス
トラツプ回路、Ｃ……コンデンサ、Ｄ……ダイオ
ード、Ｒ……抵抗。 FIG. 1 is a block diagram of an embodiment of a motor drive device according to the present invention, FIG. 2 is an explanatory diagram of the operation of the device in FIG. 1, and FIG. 3 is a diagram showing an example of application of the device according to the present invention. , FIG. 4 is a diagram showing an example of the configuration of a conventional motor drive device. Q1, Q2...Switching element, E1, E2
, DD1...power supply, G1, G2...gate drive circuit, A1, A2...constant voltage circuit, B...bootstrap circuit, C...capacitor, D...diode, R...resistance.

Claims (1)

【実用新案登録請求の範囲】 ブリツジ型のインバータ回路でモータのコイル
をバイポーラ駆動し、スイツチングの動作を利用
して充電したコンデンサをスイツチング素子の駆
動電源として用いるブートストラツプ回路を設け
たモータの駆動装置において、 充電したコンデンサの電圧をもとにスイツチン
グ素子を駆動するための一定電圧を発生する定電
圧回路と、 前記スイツチング素子の駆動電圧のもとになる
電圧を発生し、発生電圧は次式を満足する電圧に
設定されている電源、 ＶＢＳ＞Ｖ１＋ＶＤＦ ＶＢＳ：充電されたコンデンサの両端電圧 Ｖ１：定電圧回路の定電圧値 ＶＤＦ：定電圧回路による電圧降下分 を具備したモータの駆動装置。[Claims for Utility Model Registration] A motor drive device that bipolar drives a motor coil using a bridge-type inverter circuit and is equipped with a bootstrap circuit that uses a capacitor charged using switching operation as a driving power source for a switching element. , a constant voltage circuit that generates a constant voltage to drive a switching element based on the voltage of a charged capacitor, and a voltage that is the basis of the driving voltage of the switching element, and the generated voltage is expressed by the following equation. Power supply set to a satisfying voltage, VBS>V 1 +VDF VBS: Voltage across the charged capacitor V 1 : Constant voltage value of the constant voltage circuit VDF: Motor drive device equipped with a voltage drop due to the constant voltage circuit .
JP12744488U 1988-09-29 1988-09-29 Pending JPH0249388U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12744488U JPH0249388U (en) 1988-09-29 1988-09-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12744488U JPH0249388U (en) 1988-09-29 1988-09-29

Publications (1)

Publication Number Publication Date
JPH0249388U true JPH0249388U (en) 1990-04-05

Family

ID=31379883

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12744488U Pending JPH0249388U (en) 1988-09-29 1988-09-29

Country Status (1)

Country Link
JP (1) JPH0249388U (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04138068A (en) * 1990-08-08 1992-05-12 Mitsubishi Electric Corp Driving circuit for inverter
JPH11252970A (en) * 1998-03-04 1999-09-17 Matsushita Electric Ind Co Ltd Power generator and electric washing machine therewith
JP2005354666A (en) * 2004-04-08 2005-12-22 Internatl Rectifier Corp Self-oscillation full-bridge driver integrated circuit
WO2006137221A1 (en) * 2005-06-24 2006-12-28 Sanken Electric Co., Ltd. Drive circuit
JP2010193431A (en) * 2009-01-26 2010-09-02 Rohm Co Ltd Output circuit and motor drive apparatus
JP2011036058A (en) * 2009-08-04 2011-02-17 Sumitomo Heavy Ind Ltd Power converter
WO2014167938A1 (en) * 2013-04-08 2014-10-16 富士電機株式会社 Power device drive circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188787A (en) * 1984-10-04 1986-05-07 Omron Tateisi Electronics Co Pulse width modulation drive circuit
JPS62178164A (en) * 1986-01-29 1987-08-05 Sanken Electric Co Ltd Switching regulator

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6188787A (en) * 1984-10-04 1986-05-07 Omron Tateisi Electronics Co Pulse width modulation drive circuit
JPS62178164A (en) * 1986-01-29 1987-08-05 Sanken Electric Co Ltd Switching regulator

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04138068A (en) * 1990-08-08 1992-05-12 Mitsubishi Electric Corp Driving circuit for inverter
JPH11252970A (en) * 1998-03-04 1999-09-17 Matsushita Electric Ind Co Ltd Power generator and electric washing machine therewith
JP2005354666A (en) * 2004-04-08 2005-12-22 Internatl Rectifier Corp Self-oscillation full-bridge driver integrated circuit
WO2006137221A1 (en) * 2005-06-24 2006-12-28 Sanken Electric Co., Ltd. Drive circuit
JP2007006207A (en) * 2005-06-24 2007-01-11 Sanken Electric Co Ltd Driving circuit
JP2010193431A (en) * 2009-01-26 2010-09-02 Rohm Co Ltd Output circuit and motor drive apparatus
JP2011036058A (en) * 2009-08-04 2011-02-17 Sumitomo Heavy Ind Ltd Power converter
WO2014167938A1 (en) * 2013-04-08 2014-10-16 富士電機株式会社 Power device drive circuit
CN105027441A (en) * 2013-04-08 2015-11-04 富士电机株式会社 Power device drive circuit
JPWO2014167938A1 (en) * 2013-04-08 2017-02-16 富士電機株式会社 Power device drive circuit
US9692406B2 (en) 2013-04-08 2017-06-27 Fuji Electric Co., Ltd. Power device drive circuit

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