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Device and method for realizing non-contact type system torque protection

A non-contact, processing system technology, applied in the field of non-contact system torque protection devices, can solve the problems of difficulty in mass production, failure to meet the requirements of accuracy and stability of torque protection of the control system, and low consistency, and achieve Promote the improvement and development, promote the technical level of the industry, the effect of simple research and development and production

Inactive Publication Date: 2011-09-14
上海国鼎数码科技有限公司
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AI Technical Summary

Problems solved by technology

Traditional actuators use mechanical connecting rods and pressure sensors as sensing elements for system output torque. In practical applications, this method will encounter problems such as difficulty in mass production, complicated installation process, slow response speed and low consistency in field use.
Therefore, it cannot meet the industry's requirements for the accuracy and stability of the torque protection of the control system

Method used

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  • Device and method for realizing non-contact type system torque protection
  • Device and method for realizing non-contact type system torque protection
  • Device and method for realizing non-contact type system torque protection

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Embodiment Construction

[0022] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

[0023] figure 1 It is the hardware circuit block diagram of the whole system of the present invention, and the present invention comprises main control system 100, torque processing system 200 and motor operating parameter detection device 300, and main control system 100 comprises high-performance processor 101, display driving circuit 102, display 103, Peripheral circuit I104, described high-performance processor 101 is connected with display drive circuit 102 and peripheral circuit I104, is connected with display 103 on the described display drive circuit 102; Described torque processing system 200 comprises microprocessor 201, motor signal acquisition interface The circuit 202 and the peripheral circuit II203, the peripheral circuit II203 an...

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Abstract

The invention relates to a device and method for realizing non-contact type system torque protection. A set of motor running parameter detecting device and a set of torque processing system are added on the basis of the traditional three-phase asynchronous motor dragging electric executing mechanism and valve electric device control system. A main control system is in charge of the control information processing and displaying part of the electric executing mechanism and valve electric device control system. Meanwhile, the device coordinates work with a torque processing system in a serial or parallel communication manner and finishes parameter configuration, running control and torque value transmission on the torque processing system. The torque processing system reads the acquisition of all signals of the motor from a motor running parameter monitoring device through an acquiring port and figures out the output torque of the three-phase asynchronous motor according to the three-phase asynchronous motor principle, motor delivery parameters and system delivery calibration parameters.

Description

technical field [0001] The invention relates to a torque protection device and method, in particular to a non-contact system torque protection device and method for a three-phase asynchronous motor driving electric actuator control system. Background technique [0002] At present, electric actuators and valve electric devices control valves and other on-site equipment to perform rotary motion during on-site operation, and the system dynamically adjusts the torque output of the system according to the demand of external loads. According to industry requirements, the system must be able to detect the system torque output in real time during the actual working process of electric actuators and valve electric devices. Once the current torque value is found to be greater than the system preset protection torque value, the system will stop running immediately. [0003] With the continuous improvement of the industry's requirements for the control system, the design of the control...

Claims

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Application Information

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IPC IPC(8): H02P21/14H02P23/14
Inventor 顾晓军常澄张涵余虎
Owner 上海国鼎数码科技有限公司
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