JPS59103597U

JPS59103597U - Axial gap type brushless motor control circuit

Info

Publication number: JPS59103597U
Application number: JP1982199776U
Authority: JP
Inventors: 福井　緊男; 浜野　豊
Original assignee: 株式会社東芝
Priority date: 1982-12-25
Filing date: 1982-12-25
Publication date: 1984-07-12

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

[Brief explanation of the drawing]

第１図及び第２図は従来及び本考案の対象となるブラシ
レスモータを示すもので、第１図ａは側面図、第１図す
は主要部の拡大縦断側面図、第２図はプリント基板ユニ
ットの平面図、第３図は従来の制御回路を示す結線図、
第４図は従来におけ−る周波数信号の波形図、第５図は
従来のモータドライバ入力信号の電圧波形図、第６図は
本考案の一実施例を示す結線図、第７図は本考案の一実
施例におけるモータドライバ入力信号の電圧波形図であ
る。図中、１はプリント基板ユニット、３はプリント基板、
５はロータ、７はロータマグネット、Ｂは周波数発電機
用マグネット、１０は周波数発電機用パターン、１３は
ＰＬＬユニット、１６ハｍＱ？１４信号増幅回路、１８
は積分回路、１９はフィルタ回路、２０は駆動回路、Ｌ
１〜Ｌ６はアーマチュアコイル、Ｈ１〜Ｈ３はホールセ
ンサ（位置検出素子）、Ｃ１１はコンデンサ（ノイズ除
去回路）である。５２［第２　図４　５７　　　　　　Ｆ２１Figures 1 and 2 show conventional brushless motors and brushless motors to which the present invention is applied. A plan view of the unit, Figure 3 is a wiring diagram showing the conventional control circuit,
Fig. 4 is a waveform diagram of a conventional frequency signal, Fig. 5 is a voltage waveform diagram of a conventional motor driver input signal, Fig. 6 is a wiring diagram showing an embodiment of the present invention, and Fig. 7 is a diagram of a conventional motor driver input signal. FIG. 3 is a voltage waveform diagram of a motor driver input signal in an embodiment of the invention. In the figure, 1 is a printed circuit board unit, 3 is a printed circuit board,
5 is the rotor, 7 is the rotor magnet, B is the frequency generator magnet, 10 is the frequency generator pattern, 13 is the PLL unit, 16 HamQ? 14 signal amplification circuit, 18
is an integration circuit, 19 is a filter circuit, 20 is a drive circuit, L
1 to L6 are armature coils, H1 to H3 are Hall sensors (position detection elements), and C11 is a capacitor (noise removal circuit). 52 [ Figure 2 4 57 F21

Claims

[Scope of utility model registration request]

A printed circuit board unit in which electronic components for a control drive circuit and an armature coil are mounted on the same surface of a printed circuit board and a pattern for a frequency generator is formed; A rotor in which a rotor magnet and a frequency generator magnet are arranged, a position detection element for detecting the rotational position of the rotor, and a speed control system and a phase detection element provided to input a frequency signal from the frequency generator pattern. The axial gap type brushless includes a PLL unit using an 8-bit D/A converter system for the control system, and a drive circuit that controls the rotation of the rotor based on the output of this PLL unit and the output from the position detection element. In the motor control circuit, a noise removal circuit is provided in a frequency signal amplification circuit that amplifies the frequency signal supplied to the PLL circuit of the PLL unit, and a noise removal circuit is provided for amplifying the control signal output from the PLL unit and output to the drive circuit. A control circuit for an axial gap type brushless motor, characterized in that a control signal amplification circuit is provided with an integrating circuit and a filter circuit.