Induction heating distributed control system

A distributed control and induction heating technology, applied in general control systems, control/regulation systems, program control, etc., can solve the problems of easy information transmission conflicts and collisions, large data collection, low transmission efficiency, etc., and achieve convenient management. , high precision, simple program effect

Inactive Publication Date: 2019-09-20
HUBEI UNIV OF AUTOMOTIVE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] (3) The existing control system has a large amount of data collection, long transmission lines, low transmission efficiency, and inaccurate data
Since all nodes share the RS485 bus, the information tr

Method used

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  • Induction heating distributed control system
  • Induction heating distributed control system
  • Induction heating distributed control system

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Experimental program
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Effect test

Embodiment 1

[0114] 1. Analysis and design of distributed control of induction heating power supply.

[0115] (1) System model of distributed control of induction heating power supply.

[0116] Such as figure 2 As shown, the structure of the induction heating power supply distributed control system mainly includes two parts: the local operation unit, that is, an industrial Diwen touch screen, which is mainly responsible for the induction heating power supply status (running, stopping, fault) and current and frequency setting Display and modification of values. In addition, the local DSP is the core of the slave control system, which mainly processes real-time data from the master control system, collects various parameters of the induction heating power supply, and transmits them to the master control system and DWIN touch screen in real time.

[0117] The remote control unit, the upper computer remotely displays and modifies the status, parameters and communication status of each induc...

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Abstract

The invention belongs to the technical field of electrical automation control, and discloses an induction heating distributed control system. The induction heating distributed control system comprises a local monitoring module, a main control module, communication module and a remote monitoring module, wherein the local monitoring module processes a set value from a PLC, completes the acquisition, processing and calculation of an electric quantity of induction heating equipment, and outputs a control quantity for controlling the induction heating equipment; the main control module utilizes the PLC for acquiring, receiving and transmitting various data, and transmits the acquired data to a digital signal processing unit; the communication module transmits an electric quantity signal to a display operation unit and the main control module by using circuits such as a serial communication circuit; and the remote monitoring module displays and modifies the status of each induction heating power supply. The induction heating distributed control system adopts an object-oriented design idea, and correctly and effectively divides the functional modules of control software according to the operating characteristics, so that the whole system software has a powerful interface function and good real-time performance; and the induction heating distributed control system has high practicability and reliable operation, and is convenient for field operators to use and overhaul.

Description

technical field [0001] The invention belongs to the technical field of electrical automation control, in particular to an induction heating distributed control system. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] From 1950 to 1959, with the emergence of semiconductor silicon thyristors, solid-state semiconductor components became the core of modern power electronics. In the intermediate frequency range, heating devices realized by thyristors gradually replaced traditional methods. However, due to the limitation of parameters such as the characteristics of the thyristor itself, there are disadvantages such as uncontrollable shutdown and narrow operating frequency range, which cannot meet the requirements of most loads. Especially in the high frequency range, because of the limitations of these shortcomings, it has caused great technical difficulties in the development of variable frequency power su...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCG05B19/4185G05B2219/32406Y02P90/02
Inventor 雷钧黄海波罗敏
Owner HUBEI UNIV OF AUTOMOTIVE TECH
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