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Anti-jamming motor drive circuit

A motor drive circuit and drive circuit technology, applied to starter parts and other directions, can solve the problems of poor anti-interference ability, low service life, insufficient stability and reliability, and achieve the effect of flexible and convenient control and high precision

Active Publication Date: 2011-02-02
OCEANS KING LIGHTING SCI&TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a motor drive circuit with good anti-interference ability, stable and reliable operation which can improve Anti-jamming motor drive circuit for motor service life

Method used

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Experimental program
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Embodiment Construction

[0016] The invention uses a time-delay anti-interference circuit to enable the drive circuit of the AC motor to delay power-on when receiving an interference signal, so as to avoid the interference signal and realize the anti-interference of the motor drive circuit.

[0017] see figure 1 and figure 2 , figure 1 It is a functional block diagram of the anti-jamming motor drive circuit of the present invention; figure 2 It is a circuit diagram of an embodiment of the anti-jamming motor drive circuit of the present invention. Depend on figure 1 and 2 As shown in the figure, the anti-jamming circuit provided by the present invention includes a motor drive circuit 300, a control circuit 200 connected between the control signal output terminal of the motor and the motor drive circuit for controlling the motor drive circuit according to the control signal, and the The delay anti-jamming circuit 100 used for delay anti-jamming connected to the driving circuit and the power suppl...

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Abstract

The invention relates to an anti-jamming motor drive circuit which comprises a motor drive circuit, a control circuit and a time-delay anti-jamming circuit, wherein the motor drive circuit is connected with an input end of an AC motor; the control circuit is connected between a control signal output end of the motor and the motor drive circuit and is used for controlling the motor drive circuit according to control signals; and the time-delay anti-jamming circuit is connected with the motor driven circuit and a power supply and is used for delaying time and resisting jamming. The anti-jamming motor drive circuit provided by the invention has anti-jamming capability on the basis of the time-delay anti-jamming circuit, and enables the motor to work more stably and reliably to increase the service life of the motor.

Description

technical field [0001] The invention is mainly applied to motor drive, especially relates to an anti-interference motor drive circuit. Background technique [0002] Motors are commonly used actuators in electromechanical control systems. Because of its high precision, flexible and convenient control, it is widely used as a drive element in the feed servo system. A motor needs to have its various windings energized in turn in a prescribed sequence for proper operation. [0003] However, in a living environment with many electrical appliances, the motor is often interfered by various electrical signals. At present, the commonly used motor drive circuits generally use the control circuit to directly control the motor drive circuit, input the control signal to the control circuit, and then control the voltage of the motor drive circuit through the control circuit conversion, so that the motor can achieve forward rotation and reverse rotation. However, in the environment of tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P1/02
Inventor 周明杰雷运洪廖启博张成良寇军飞翟存真
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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