JPS586590U - small brushless motor - Google Patents

small brushless motor

Info

Publication number
JPS586590U
JPS586590U JP1982084630U JP8463082U JPS586590U JP S586590 U JPS586590 U JP S586590U JP 1982084630 U JP1982084630 U JP 1982084630U JP 8463082 U JP8463082 U JP 8463082U JP S586590 U JPS586590 U JP S586590U
Authority
JP
Japan
Prior art keywords
transistor
constant voltage
permanent magnet
position detection
magnet rotor
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.)
Granted
Application number
JP1982084630U
Other languages
Japanese (ja)
Other versions
JPS5936158Y2 (en
Inventor
正 高橋
和夫 大西
充 佐藤
Original Assignee
株式会社日立製作所
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 by 株式会社日立製作所 filed Critical 株式会社日立製作所
Priority to JP1982084630U priority Critical patent/JPS5936158Y2/en
Publication of JPS586590U publication Critical patent/JPS586590U/en
Application granted granted Critical
Publication of JPS5936158Y2 publication Critical patent/JPS5936158Y2/en
Expired legal-status Critical Current

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  • Control Of Motors That Do Not Use Commutators (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は従来装置の結線図、第２図は本考案装置の一実
施例における結線図、第３図ａ１第３図ｂ、第３図Ｃお
よび第３図ｄは電圧、電流の波形図、第４図は他の実施
例における結線図である。 １・・・・・・永久磁石′ロータ、２０１〜２０３・・
・・・・駆動−コイル、３０１〜３０３・・・・・・ホ
ール素子、１２１〜１２３・・・・・・位置検出装置、
７・・・・・・直流電源、１６・・・・・・第１の定電
圧素子、１９〜２１・・・・・・第２の定電圧素子。Fig. 1 is a wiring diagram of the conventional device, Fig. 2 is a wiring diagram of an embodiment of the device of the present invention, Fig. 3 a1 Fig. 3 b, Fig. 3 C, and Fig. 3 d are voltage and current waveform diagrams. , FIG. 4 is a wiring diagram in another embodiment. 1...Permanent magnet' rotor, 201-203...
... Drive-coil, 301-303... Hall element, 121-123... Position detection device,
7...DC power supply, 16...1st constant voltage element, 19-21...2nd constant voltage element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 永久磁石ロータに対向して配置された複数個の駆動コイ
ルと、前記永久磁石ロータの回転位置を検出する位置検
出装置と、該位置検出装置の出力により上記駆動コイル
に流れる電流を制御して前記永久磁石ロータを駆動する
トランジスタを有する制御回路よりなるものにおいて、
上記位置検出装置は位置検出素子の出力により作動する
差動増幅器を構成するトランジスタを有し、このトラン
ジスタのコレクタを抵抗を介して第１の定電圧素子のカ
ソードに接続し、該トランジスタの出力端を上記所定の
定電圧源の電圧より低く、差動増幅器の各トランジスタ
の入力が等しいときの該トランジスタのコレクタ電位に
ほぼ等しい電圧で作動する定電圧素子を介して上記制御
回路のベースに接続せしめたことを特徴とする小形ブラ
シレスモータ。　　　−a plurality of drive coils disposed facing the permanent magnet rotor; a position detection device for detecting the rotational position of the permanent magnet rotor; In a control circuit having a transistor that drives a permanent magnet rotor,
The position detection device has a transistor that constitutes a differential amplifier operated by the output of the position detection element, the collector of this transistor is connected to the cathode of the first constant voltage element via a resistor, and the output terminal of the transistor is connected to the cathode of the first constant voltage element. is connected to the base of the control circuit via a constant voltage element that operates at a voltage lower than the voltage of the predetermined constant voltage source and approximately equal to the collector potential of each transistor when the inputs of each transistor of the differential amplifier are equal. A small brushless motor characterized by: −
JP1982084630U 1982-06-09 1982-06-09 small brushless motor Expired JPS5936158Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1982084630U JPS5936158Y2 (en) 1982-06-09 1982-06-09 small brushless motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1982084630U JPS5936158Y2 (en) 1982-06-09 1982-06-09 small brushless motor

Publications (2)

Publication Number Publication Date
JPS586590U true JPS586590U (en) 1983-01-17
JPS5936158Y2 JPS5936158Y2 (en) 1984-10-05

Family

ID=29879977

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1982084630U Expired JPS5936158Y2 (en) 1982-06-09 1982-06-09 small brushless motor

Country Status (1)

Country Link
JP (1) JPS5936158Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130605A (en) * 1984-07-19 1986-02-12 Toyota Motor Corp Simultaneous production of molding consisting of different powders by rotary press
JPS6131539U (en) * 1984-07-30 1986-02-25 トヨタ自動車株式会社 Finished product removal device in forging machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6130605A (en) * 1984-07-19 1986-02-12 Toyota Motor Corp Simultaneous production of molding consisting of different powders by rotary press
JPS6131539U (en) * 1984-07-30 1986-02-25 トヨタ自動車株式会社 Finished product removal device in forging machine
JPS647007Y2 (en) * 1984-07-30 1989-02-23

Also Published As

Publication number Publication date
JPS5936158Y2 (en) 1984-10-05

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