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Motor protector based on computer-controlled system

A technology of electric motors and protection systems, applied in the direction of emergency protection circuit devices, electrical components, etc., can solve harmful and other problems, achieve the effects of speeding up the response, simplifying the composition, and avoiding the danger of loss of control

Inactive Publication Date: 2009-01-14
上海万松电气设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the protection of motors is independent. Sometimes it is harmful to simply protect a single motor. In addition to mechanical effects, such as fire protection systems, there are additional requirements for the protection of some linked motors.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1: The technical solution of the present invention is: the motors for linkage protection in the equipment and system have a computer communication interface, especially a communication interface of a field bus computer system. The field bus control system connected to the motor with communication interface with field bus also includes other instruments with field bus interface for monitoring the operating conditions of the motor, such as voltage, frequency, temperature and so on. The system also includes a register of a control model strategy for motor linkage control.

Embodiment 2

[0012] Embodiment 2: The technical solution of the present invention can be improved so that the register of the control model strategy has a blocking controller and at least includes two or more motor blocking interfaces, and is directly connected to the motors to be controlled in linkage.

Embodiment 3

[0013] Embodiment 3: The technical solution of the present invention can be improved so that the register of the control model strategy has a controller and at least includes two or more motor protection signal access interfaces, and is directly connected to the motor to be controlled in linkage.

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PUM

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Abstract

The invention discloses a motor protector based on the computer system, especially a motor linkage protection system. A linkage protective motor in the device and system has a computer communication interface, in particular to a communication interface of a field bus computer system. The field bus control system accessing the field bus communication interface motor also comprises the other appliances with field bus interface for monitoring the motor operation conditions such as voltage, frequency and temperature. The invention is characterized in that the system also includes a register for controlling model strategy coordinately controlled by the motor.

Description

technical field [0001] The invention belongs to the field of low-voltage electrical appliances, and relates to a motor protector, in particular to a motor protector based on a computer control system. Background technique [0002] In modern equipment, especially large-scale equipment and systems, many motors have linkage mechanical effects. However, the protection of motors is independent. Sometimes it is harmful to simply protect a single motor. In addition to mechanical effects, such as fire protection systems, there are additional requirements for the protection of some linked motors. Contents of the invention [0003] The technical problem of the present invention is to propose a motor protector based on a computer control system to solve the problem of linkage protection of motors in equipment and systems. [0004] The technical proposal of the present invention is that: the motor in linkage protection in the equipment and system has a computer communication interfac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/08
Inventor 朱守云潘贻丰洪振海
Owner 上海万松电气设备有限公司
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