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Temperature-current intelligent control method

An intelligent control and current technology, applied in temperature control, non-electric variable control, control/regulation system, etc., can solve the problems of large control process chain loopholes, inability to fully utilize mixed production equipment, and ignore the important role of mixed equipment, etc., to achieve Guaranteed full-automatic operation, saving production labor costs, and reducing the effect of production product control risks

Active Publication Date: 2018-10-09
茂名联塑建材有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] The existing mixing equipment control method is generally open-loop control on the simple process, there are large chain loopholes in the control process, and the important role of the mixing equipment in the control of mixing quality assurance is ignored, and the practicality of the mixing production equipment cannot be fully utilized. sex, functionality

Method used

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Embodiment Construction

[0023] The accompanying drawings are for illustrative purposes only, and should not be construed as limitations on this patent; in order to better illustrate this embodiment, certain components in the accompanying drawings will be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art It is understandable that some well-known structures and descriptions thereof may be omitted in the drawings. The positional relationship described in the drawings is for illustrative purposes only, and should not be construed as a limitation on this patent.

[0024] Such as Figure 1 to Figure 7 As shown, a "temperature-current" intelligent control method is based on a PVC powder mixing system. The PVC powder mixing system includes a thermal mixing cylinder 1, a thermal mixing motor 2 that drives the internal stirring components of the thermal mixing cylinder 1, The frequency converter 3 and the controller 4 connected with the thermal mix...

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Abstract

The invention provides a temperature-current intelligent control method, and the method comprises the steps: monitoring the process parameters, such as hot mixing temperature and hot mixing motor current; establishing a control model by the sampled hot mixing temperature and hot mixing motor current, establishing a temperature model for a key mixing process, and establishing a hot mixing temperature-hot mixing motor frequency closed-loop control; taking the temperature control as the core, combining with a current value of a hot mixing variable frequency motor, and detecting the mixing state;building a hot mixing discharge interlocking and unlocking process, so as provide a reliable basis for motor control and valve opening, and to guarantee the smooth operation of the hot mixing process.The hot mixing temperature-hot mixing time is within a control range in the entire mixing process.

Description

technical field [0001] The invention relates to the technical field of "temperature-current" control in the mixing process of PVC powder, and more specifically relates to a "temperature-current" intelligent control method. Background technique [0002] The existing mixing equipment control method is generally open-loop control on the simple process, there are large chain loopholes in the control process, and the important role of the mixing equipment in the control of mixing quality assurance is ignored, and the practicality of the mixing production equipment cannot be fully utilized. sex, functionality. Contents of the invention [0003] The present invention provides a "temperature-current" intelligent control method in order to overcome at least one defect described in the above-mentioned prior art. The present invention establishes a temperature model for the key mixing process, establishes a control model for the sampled hot mixing temperature, hot mixing motor curre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/20
CPCG05D23/20
Inventor 冼伟发黄云志何冠峰孙秀慧宋科明梁桂斌余浪刘存宝
Owner 茂名联塑建材有限公司
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