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Stepping motor controller and analog electronic timepiece

一种步进电机、控制器的技术，应用在电动发电机控制、电机、控制系统等方向，能够解决大消耗电流、能量浪费、电流大等问题，达到降低功耗、可靠驱动的效果

Active Publication Date: 2010-06-23
SEIKO INSTR INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, however, a large consumption current flows until the main driving pulse drops to the pulse for normal driving, causing a problem of energy waste for a long time
[0006] Also, during this period, the measured current consumption is larger than that during normal driving.

Method used

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  • Stepping motor controller and analog electronic timepiece
  • Stepping motor controller and analog electronic timepiece
  • Stepping motor controller and analog electronic timepiece

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0025] figure 1 It is a block diagram of an analog electronic watch using a stepping motor according to an embodiment of the present invention, and an analog electronic watch will be described as an example.

[0026] refer to figure 1 , the analog electronic watch includes: an oscillator 101, which generates a signal of a predetermined frequency; a frequency divider 102, which divides the frequency of the signal generated by the oscillator 101 to generate a clock signal used as a timing reference; a controller 104, which controls Various electronic circuit components included in this electronic watch, and change the driving pulse, etc.; the pulse down counter 103, after clocking the clock signal from the frequency divider 102 for a predetermined time, outputs a pulse for implementing the main driving pulse a falling control signal; and a main driving pulse generator 105 that selects and outputs a main driving pulse P1 for rotationally driving the motor based on the pulse cont...

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PUM

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Abstract

An invention allows a stepping motor to be reliably driven to rotate when initializing the driving and allows power consumption of the stepping motor to be reduced. The controller, when initializing the driving (for example, replacing a battery), controls a main drive pulse generator to drive a stepping motor using a main drive pulse having a maximum energy and sets the generation cycle of a pulse down control signal of a pulse down counter for pulsing down the main drive pulse to a first cycle to drive the stepping motor, and when pulsing down the main drive pulse to that having a predetermined energy, changes the generation cycle of the pulse down control signal of the pulse down counter to a second cycle.

Description

technical field [0001] The invention relates to a stepping motor controller and an analog electronic watch using the stepping motor controller. Background technique [0002] Traditionally, stepper motors are used in analog electronic watches and the like. The stepping motor includes: a stator having a rotor accommodating hole and a positioning portion for determining a stop position of the rotor; a rotor disposed in the rotor accommodating hole; and a coil. Also, the stepping motor is adapted to apply an alternating signal to the coil to generate magnetic flux in the stator, thereby rotating the rotor and stopping the rotor at a position corresponding to the aforementioned positioning portion. [0003] As described in the inventions recorded in Japanese Patent Publication No. 63-018148, Japanese Patent Publication No. 63-018149, and Japanese Patent Publication No. 57-018440, in the stepping motor control system for driving a stepping motor with minimum energy In the tradit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P8/02G04C3/14
CPCY02T10/7283H02P8/38H02P8/10G04C3/143B60L15/42Y02T10/642B60L15/2045B60L15/2009Y02T10/64Y02T10/72
Inventor 小笠原健治高仓昭间中三郎本村京志长谷川贵则山本幸祐佐久本和实加藤一雄
Owner SEIKO INSTR INC