JPS61202198U - - Google Patents

Info

Publication number
JPS61202198U
JPS61202198U JP1985083980U JP8398085U JPS61202198U JP S61202198 U JPS61202198 U JP S61202198U JP 1985083980 U JP1985083980 U JP 1985083980U JP 8398085 U JP8398085 U JP 8398085U JP S61202198 U JPS61202198 U JP S61202198U
Authority
JP
Japan
Prior art keywords
voltage
drive amplifier
hall element
output
motor drive
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
JP1985083980U
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 JP1985083980U priority Critical patent/JPS61202198U/ja
Publication of JPS61202198U publication Critical patent/JPS61202198U/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ブラシレスモータの駆
動回路、第２図はブラシレスモータの説明図、第
３図は従来のブラシレスモータ駆動回路である。 ２１……電圧駆動アンプ、２３……ホール素子
、２４……コイル駆動アンプ、２５……励磁コイ
ル、３１……電圧リミツトツエナーダイオード、
ＺＤ１，ＺＤ２……ツエナーダイオード、Ｒｆ…
…帰還抵抗。 FIG. 1 is a brushless motor drive circuit according to the present invention, FIG. 2 is an explanatory diagram of the brushless motor, and FIG. 3 is a conventional brushless motor drive circuit. 21... Voltage drive amplifier, 23... Hall element, 24... Coil drive amplifier, 25... Excitation coil, 31... Voltage limit Zener diode,
ZD1, ZD2... Zener diode, Rf...
...Return resistance.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電圧駆動アンプから出力される電圧をマグネツ
トロータの位置検出用ホール素子に入力し、該ホ
ール素子から出力されるホール電圧を増幅してコ
イルに入力するブラシレスモータの駆動回路にお
いて、前記電圧駆動アンプにモータ駆動電圧を印
加すると共に、該電圧駆動アンプの帰還抵抗に並
列に電圧リミツトツエナーダイオードを接続し、
かつ該電圧駆動アンプの出力電圧を直接ホール素
子に印加することを特徴とするブラシレスモータ
の駆動回路。 In a brushless motor drive circuit that inputs a voltage output from a voltage drive amplifier to a Hall element for position detection of a magnet rotor, and amplifies the Hall voltage output from the Hall element and inputs it to a coil, the voltage drive amplifier A motor drive voltage is applied to the voltage drive amplifier, and a voltage limit Zener diode is connected in parallel to the feedback resistor of the voltage drive amplifier.
A brushless motor drive circuit characterized in that the output voltage of the voltage drive amplifier is directly applied to a Hall element.
JP1985083980U 1985-06-05 1985-06-05 Pending JPS61202198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985083980U JPS61202198U (en) 1985-06-05 1985-06-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985083980U JPS61202198U (en) 1985-06-05 1985-06-05

Publications (1)

Publication Number Publication Date
JPS61202198U true JPS61202198U (en) 1986-12-18

Family

ID=30633097

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985083980U Pending JPS61202198U (en) 1985-06-05 1985-06-05

Country Status (1)

Country Link
JP (1) JPS61202198U (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5020213A (en) * 1973-06-25 1975-03-04
JPS51148344A (en) * 1975-06-16 1976-12-20 Hitachi Ltd Limiter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5020213A (en) * 1973-06-25 1975-03-04
JPS51148344A (en) * 1975-06-16 1976-12-20 Hitachi Ltd Limiter

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