Motor intelligent power-saving protector

A protection device and motor technology, applied in emergency protection circuit devices, AC motor control, electrical components, etc., can solve the problems of large function expansion limitations, easy to burn power components, increase procurement costs, etc., to reduce operation difficulty and error. Operation probability, avoid mismatch of control parameters, convenient and quick function extension effect

Inactive Publication Date: 2007-10-24
湖南巨汇科技发展有限公司
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Problems solved by technology

Since the device does not have the functions of automatic load tracking and real-time automatic regulation, it is generally not suitable for loads that change frequently during operation, and cannot achieve the purpose of saving electricity; It is cumbersome, and different parameter values ​​must be preset according to different needs, so the operation is difficult and not easy to popularize; third, the man-machine dialogue method is a digital code,

Method used

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  • Motor intelligent power-saving protector

Examples

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Example Embodiment

[0015] The present invention will be further described below in conjunction with drawings and embodiments.

[0016] With reference to Fig. 1, present embodiment is controlled by main power supply circuit 10, switching power supply circuit 11, power drive circuit 12, microprocessor 13, PWM generation circuit 14, protection circuit 15, power supply detection circuit 16, function expansion port 17, parameter setting device 18, display 19; the output end of main power supply circuit 10 is connected with the input end of switching power supply 11 and power drive circuit 12 respectively; the output end of switching power supply 11 is connected with power drive circuit 12, microprocessor 13, PWM respectively. The input end of circuit 14, protection circuit 15, power supply detection circuit 16, function expansion port 17, display 19 is connected; connection, the output end is connected with the input end of the protection circuit 15; the input end of the microprocessor 13 is respecti...

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Abstract

The disclosed intelligent power-saving protective device for motor comprises: a primary power circuit with output end connected with the input of following two circuits, a switch power circuit with output end connected with input end of all following members, a power drive circuit with input end connected with the PWM generating circuit and microprocessor and the switch power, a microprocessor with input end connected all of the power drive circuit, protective circuit, the power detection, the parameter controller and the switch power circuit; a PWM generating circuit, a protective circuit, a power detection circuit, a function extension interface, a parameter setting controller, and a display. This invention is convenient and reliable.

Description

technical field [0001] The invention relates to an electric motor power-saving protection device, in particular to an electric motor intelligent power-saving protection device in industrial and civil mechanical equipment. Background technique [0002] Most of the mechanical equipment in all walks of life use electric motors as transmission devices. According to the standard, when almost all mechanical equipment is configured with a motor, the motor must be selected according to the maximum load of the mechanical equipment during actual operation, and a certain margin is reserved for the power configuration of the motor to meet the requirements of the actual operation of the mechanical equipment. the greatest need in the process. At the same time, in the actual operation process of mechanical equipment, it is generally operated under the condition of unsteady load or load changing frequently. On the other hand, when the motor starts, it will generate...

Claims

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Application Information

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IPC IPC(8): H02P23/02G05B15/02H02P27/04H02H7/08
Inventor 许德球高栋
Owner 湖南巨汇科技发展有限公司
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