JPH0179399U

JPH0179399U -

Info

Publication number: JPH0179399U
Application number: JP1987172817U
Authority: JP
Priority date: 1987-11-12
Filing date: 1987-11-12
Publication date: 1989-05-29

Description

[Brief explanation of the drawing]

第１図は本考案によるパルスモータ駆動装置の
基本構成図、第２図は本考案の励磁方式の切替え
による実施例を示す図、第３図は本考案と従来技
術との低速時のモータ回転の動きを示す図、第４
図は本考案の周波数制御と励磁方式の切替制御の
実施例を示す図、第５図はその他の実施例を示す
図、第６図は駆動動作を説明するための図、第７
図は一定駆動周波数におけるパルスモータのスロ
ーアツプ回路図、第８図はクロツク数と回転数と
の関係を示す図、第９図は従来のパルスモータ駆
動装置の構成図、第１０図は従来のパルスモータ
の回転の動きを示す図である。１……パルスモータ、２……駆動回路、３……
分周器、４……速度設定器、５……選択回路、６
_１，６_２，６_３……励磁回路、７……ＲＯＭ、８
，８_１，８_２……カウンタ、９……励磁切替回路
、１０……速度切替信号発生器、１１……ＣＰＵ
、１２……Ｄ／Ａ変換回路、１３……ＶＣＯ、１
４……回転数設定器、１５……ノア回路。 Fig. 1 is a basic configuration diagram of a pulse motor drive device according to the present invention, Fig. 2 is a diagram showing an embodiment by switching the excitation method of the present invention, and Fig. 3 is a diagram showing the motor rotation at low speed between the present invention and the conventional technology. Diagram showing the movement of
The figures show an embodiment of the frequency control and excitation method switching control of the present invention, Fig. 5 shows another embodiment, Fig. 6 is a diagram for explaining the drive operation, and Fig. 7
The figure is a slow-up circuit diagram of a pulse motor at a constant drive frequency, Figure 8 is a diagram showing the relationship between clock number and rotation speed, Figure 9 is a block diagram of a conventional pulse motor drive device, and Figure 10 is a diagram of a conventional pulse motor drive. FIG. 3 is a diagram showing the rotational movement of a motor. 1...Pulse motor, 2...Drive circuit, 3...
Frequency divider, 4... Speed setter, 5... Selection circuit, 6
₁ , 6 ₂ , 6 ₃ ... Excitation circuit, 7 ... ROM, 8
, 8 ₁ , 8 ₂ ... counter, 9 ... excitation switching circuit, 10 ... speed switching signal generator, 11 ... CPU
, 12...D/A conversion circuit, 13...VCO, 1
4... Rotation speed setting device, 15... Noah circuit.

Claims

[Claims for Utility Model Registration] (1) An excitation circuit capable of excitation using different excitation methods using clock pulses as input, a selection circuit for selecting an excitation method, and a drive to which an excitation circuit output according to the selected excitation method is applied. A pulse motor drive device having a circuit. (2) The pulse motor drive device according to claim 1, which uses a ROM in which a plurality of excitation methods are written as an excitation circuit. (3) The pulse motor drive device according to claim 1 or 2, which is provided with a frequency dividing circuit for frequency dividing a clock pulse. (4) The pulse motor drive device according to claim 1, which has a variable frequency generator that controls the frequency of the clock pulse each time the excitation method is selected.