JPS6374093U - - Google Patents

Info

Publication number
JPS6374093U
JPS6374093U JP1986168354U JP16835486U JPS6374093U JP S6374093 U JPS6374093 U JP S6374093U JP 1986168354 U JP1986168354 U JP 1986168354U JP 16835486 U JP16835486 U JP 16835486U JP S6374093 U JPS6374093 U JP S6374093U
Authority
JP
Japan
Prior art keywords
detection
transistor
induced
turned
transistors
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
JP1986168354U
Other languages
Japanese (ja)
Other versions
JPH0733595Y2 (en
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 JP1986168354U priority Critical patent/JPH0733595Y2/en
Publication of JPS6374093U publication Critical patent/JPS6374093U/ja
Application granted granted Critical
Publication of JPH0733595Y2 publication Critical patent/JPH0733595Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

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

Description

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

第１図は本考案のブラシレスモータの誘起電圧
検出回路図、第２図は本考案のブラシレスモータ
の誘起電圧検出回路の他の実施例を示す回路図、
第３図は本考案の各部の信号特性図である。 １，２，３……第１、第２及び第３コイル、４
，５，６……第１、第２及び第３スイツチングト
ランジスタ、７，８，９……第１、第２及び第３
検出部、２４……出力端子。 FIG. 1 is a circuit diagram of an induced voltage detection circuit for a brushless motor according to the present invention, and FIG. 2 is a circuit diagram showing another embodiment of the induced voltage detection circuit for a brushless motor according to the present invention.
FIG. 3 is a diagram of signal characteristics of each part of the present invention. 1, 2, 3...first, second and third coils, 4
, 5, 6...first, second and third switching transistors, 7 , 8 , 9 ...first, second and third switching transistors
Detection section, 24...output terminal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 順次オンされるスイツチングトランジスタを介
して接続され複数の相を構成する複数のコイルと
、前記スイツチングトランジスタがオフ時に各コ
イルに誘起される誘起電圧にて順次オンされる複
数の検出トランジスタと、前記検出トランジスタ
のオン時に該検出トランジスタを介して流れる電
流によつて生じる電圧を検出する共通の抵抗と、
該抵抗に生じた電圧を取出す出力端子とよりなる
ブラシレスモータの誘起電圧検出回路。 a plurality of coils connected through switching transistors that are sequentially turned on and forming a plurality of phases; a plurality of detection transistors that are sequentially turned on by an induced voltage induced in each coil when the switching transistor is off; a common resistor for detecting a voltage generated by a current flowing through the detection transistor when the detection transistor is turned on;
A brushless motor induced voltage detection circuit comprising an output terminal for extracting the voltage generated in the resistor.
JP1986168354U 1986-10-31 1986-10-31 Brushless motor induced voltage detection circuit Expired - Lifetime JPH0733595Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986168354U JPH0733595Y2 (en) 1986-10-31 1986-10-31 Brushless motor induced voltage detection circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986168354U JPH0733595Y2 (en) 1986-10-31 1986-10-31 Brushless motor induced voltage detection circuit

Publications (2)

Publication Number Publication Date
JPS6374093U true JPS6374093U (en) 1988-05-17
JPH0733595Y2 JPH0733595Y2 (en) 1995-07-31

Family

ID=31101156

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986168354U Expired - Lifetime JPH0733595Y2 (en) 1986-10-31 1986-10-31 Brushless motor induced voltage detection circuit

Country Status (1)

Country Link
JP (1) JPH0733595Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115523966A (en) * 2021-06-25 2022-12-27 中国石油化工股份有限公司 An electronic flow meter

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59189149U (en) * 1983-06-02 1984-12-15 近江度量衡株式会社 Grain moisture content detection device with bulk density correction function
JPS59189491U (en) * 1983-05-18 1984-12-15 東光株式会社 Motor drive circuit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59189491U (en) * 1983-05-18 1984-12-15 東光株式会社 Motor drive circuit
JPS59189149U (en) * 1983-06-02 1984-12-15 近江度量衡株式会社 Grain moisture content detection device with bulk density correction function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115523966A (en) * 2021-06-25 2022-12-27 中国石油化工股份有限公司 An electronic flow meter

Also Published As

Publication number Publication date
JPH0733595Y2 (en) 1995-07-31

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