JPS612795U - Brushless motor speed control device - Google Patents

Brushless motor speed control device

Info

Publication number
JPS612795U
JPS612795U JP1984086549U JP8654984U JPS612795U JP S612795 U JPS612795 U JP S612795U JP 1984086549 U JP1984086549 U JP 1984086549U JP 8654984 U JP8654984 U JP 8654984U JP S612795 U JPS612795 U JP S612795U
Authority
JP
Japan
Prior art keywords
rotor
output signal
brushless motor
circuit
output
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
JP1984086549U
Other languages
Japanese (ja)
Other versions
JPH0646238Y2 (en
Inventor
徹 佐藤
徹 安田
Original Assignee
愛知電機株式会社
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 愛知電機株式会社 filed Critical 愛知電機株式会社
Priority to JP1984086549U priority Critical patent/JPH0646238Y2/en
Publication of JPS612795U publication Critical patent/JPS612795U/en
Application granted granted Critical
Publication of JPH0646238Y2 publication Critical patent/JPH0646238Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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図は本考案の実施例を示すブロック図、第２図は第
１図の分配回路の動作を説明するタイムチャート図、第
３図は第１図の周波数逓倍回路の動作を説明するタイム
チャート図、第４図ハ第１図のＦ／Ｖ変換回路の動作を
説明するタイムチャ、一ト図、第５図は′第１図のＰＷ
Ｍ制御回路の動作を説明するタイムチャート図、第６図
は第１図の周波数逓倍回路の他の実施例を糸すブロック
図で１＝直流電源、３：電圧制御回路、４：ドライブ回
路、５：ブラシレスモーク、６ｕ，６ｖ，６９：位置検
知素子、７：分配回路、８，１１：周波数逓倍回路、９
： Ｆ／Ｖ変換回路、１０：ＰＷＭ制御回路。Figure 1 is a block diagram showing an embodiment of the present invention, Figure 2 is a time chart diagram explaining the operation of the distribution circuit in Figure 1, and Figure 3 is a time chart diagram explaining the operation of the frequency multiplier circuit in Figure 1. Chart diagram, Figure 4C, Time chart explaining the operation of the F/V conversion circuit of Figure 1, Figure 5 is 'PW of Figure 1.
A time chart diagram explaining the operation of the M control circuit, and FIG. 6 is a block diagram of another embodiment of the frequency multiplier circuit shown in FIG. 1, in which 1 = DC power supply, 3: voltage control circuit, 4: drive circuit, 5: brushless smoke, 6u, 6v, 69: position detection element, 7: distribution circuit, 8, 11: frequency multiplication circuit, 9
: F/V conversion circuit, 10: PWM control circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数の磁極に着磁したロータとこれに対向配置した′ス
テータコイルと、上記ロータと対向して回転位置を検出
する複数の位置検知素子と、一対のスイッチング素子を
直列に接続したアームを複数個ブリッジ状に結線したド
ライブ回路と、上記スイッチング素子のゲートに上記位
置検知素子の出力信号を論理的に組合せて出力信号を送
出するようにした分配回路と、直流電源に接続されて制
御トランジスタのオン期間により可変制御した出力電圧
を上記ドライブ回路に送出するようにした電圧制御回路
とを備え、上記分配回路の出力信号によりスイッチング
素子の適時導通によりロータを回転せしめるようにした
ブラシレスモータにおいて上記位置検知素子の出力端か
ら接続されで、入力信号を論理的に組合せて逓倍した周
波数の出力一ね号を送出するようにした周波数逓倍回路
の出力信号により上記制御トランジスタのオン期間を可
変制御するように構成したことを特徴どするブラシレス
モータの速度制御装置。A rotor magnetized with multiple magnetic poles, a stator coil placed opposite the rotor, multiple position detection elements facing the rotor to detect the rotational position, and multiple arms each having a pair of switching elements connected in series. A drive circuit connected in a bridge shape, a distribution circuit that logically combines the output signals of the position detection element to the gate of the switching element and sends out an output signal, and a distribution circuit that is connected to a DC power source to turn on the control transistor. The brushless motor is equipped with a voltage control circuit configured to send an output voltage that is variably controlled depending on the period to the drive circuit, and the rotor is rotated by timely conduction of a switching element based on the output signal of the distribution circuit. The on-period of the control transistor is variably controlled by the output signal of a frequency multiplier circuit connected to the output end of the element and configured to logically combine the input signals and send out an output signal with a multiplied frequency. A speed control device for a brushless motor characterized by the following configuration.
JP1984086549U 1984-06-11 1984-06-11 Brushless motor speed controller Expired - Lifetime JPH0646238Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984086549U JPH0646238Y2 (en) 1984-06-11 1984-06-11 Brushless motor speed controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984086549U JPH0646238Y2 (en) 1984-06-11 1984-06-11 Brushless motor speed controller

Publications (2)

Publication Number Publication Date
JPS612795U true JPS612795U (en) 1986-01-09
JPH0646238Y2 JPH0646238Y2 (en) 1994-11-24

Family

ID=30637963

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984086549U Expired - Lifetime JPH0646238Y2 (en) 1984-06-11 1984-06-11 Brushless motor speed controller

Country Status (1)

Country Link
JP (1) JPH0646238Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538233Y2 (en) * 1987-11-09 1993-09-28

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780281A (en) * 1980-11-05 1982-05-19 Hitachi Ltd Control circuit for speed of brushless motor
JPS60111204A (en) * 1983-11-20 1985-06-17 Fujikura Ltd Matching oil supplying method of optical fiber
JPS60142307A (en) * 1983-12-29 1985-07-27 Furukawa Electric Co Ltd:The Coating method of matching liquid to optical fiber end surface for optical fiber welding method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5780281A (en) * 1980-11-05 1982-05-19 Hitachi Ltd Control circuit for speed of brushless motor
JPS60111204A (en) * 1983-11-20 1985-06-17 Fujikura Ltd Matching oil supplying method of optical fiber
JPS60142307A (en) * 1983-12-29 1985-07-27 Furukawa Electric Co Ltd:The Coating method of matching liquid to optical fiber end surface for optical fiber welding method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0538233Y2 (en) * 1987-11-09 1993-09-28

Also Published As

Publication number Publication date
JPH0646238Y2 (en) 1994-11-24

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