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Temperature equalizing controller

A controller and balanced technology, applied in the direction of temperature control, self-adaptive control, general control system, etc. using electric mode, it can solve the problem that PID controller is difficult to obtain satisfactory control effect, achieve optimal control, and facilitate remote transmission. Effect

Inactive Publication Date: 2012-02-29
青岛沈源水务科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the actual system, due to the uncertainty of the state and parameters in the control process of the system, in modern industrial control, it is difficult to obtain a satisfactory control effect by using the traditional PID controller. more prominent

Method used

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Embodiment Construction

[0018] combine figure 1 , figure 2 and image 3 , a temperature equalization controller, comprising a single-chip microcomputer 1, a temperature measurement unit 2, a temperature control output unit 3 and a key-type input unit 4; the above-mentioned temperature measurement unit, temperature-control output unit and key-type input unit are all connected to the single-chip microcomputer. The temperature value input by the above-mentioned key-type input unit is used as the temperature setting value, and the on-site temperature value measured in real time by the temperature measuring unit is used as the temperature feedback value, and PID control is introduced, according to the temperature error signal between the temperature setting value and the temperature feedback value After obtaining the PID parameters, the single-chip microcomputer makes corresponding control signals according to the PID parameters, and controls the on-site temperature through the temperature control outpu...

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Abstract

The invention discloses a temperature equalizing controller, which comprises a single chip, a temperature measuring unit, a temperature control output unit and a keystroke-type input unit, wherein the temperature measuring unit, the temperature control output unit and the keystroke-type input unit are connected with the single chip; and the temperature equalizing controller is characterized in that: a temperature value inputted by the keystroke-type input unit is used as a temperature set value, an on-site temperature value which is measured by the temperature measuring unit in real time is used as a temperature feedback value, a proportion integral differential (PID) control is introduced, a PID parameter is obtained according to a temperature error signal between the temperature set value and the temperature feedback value, the single chip transmits a relevant control signal according to the PID parameter to control the on-site temperature through the temperature control output unit. Due to the adoption of the temperature equalizing controller, the on-site temperature can be measured in real time, the on-site temperature can be adjusted according to the temperature measuring situation and a manual setup situation, the manual setup is completed by operating the keystrokes, and the optimized control of the temperature controller can be realized.

Description

technical field [0001] The invention relates to a temperature controller. Background technique [0002] Temperature measurement and control is one of the important tasks in production process automation. Temperature control systems are widely used in industrial control, such as in power plant construction, petrochemical, metallurgy, machinery manufacturing, food processing and other industries. It is mainly through the temperature analog quantity of the industrial control site collected by the sensor, and then converted into digital quantity by A / D and input into the computer, and the process of data storage, processing and display is realized by the temperature control system software. PID controller is the most widely used in actual control engineering. It is widely used mainly because of its simple structure, easy to understand and implement in practice, and many advanced controls are based on PID control. The main problem of the traditional PID controller is the parame...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B13/04G05D23/19
Inventor 彭志远陈成磊张士芳
Owner 青岛沈源水务科技有限公司
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