Micro-computer distributed temperature control system for welding thermal treatment

Abstract

The invention provides a micro-computer distributed temperature control system for welding thermal treatment, which is characterized in that: the system comprises a signal acquisition module for acquiring a temperature signal, a paperless recorder for analyzing data of the temperature signal and outputting a control signal, and an executing unit for a controlled signal to control heating equipment. Inputting of technological curve of each field control device, setting of control command and state, inquiring of field control state, displaying of control temperature of each path, outputting of form and control curve and the like are realized by operating the paper-less recorder. Acquisition of the temperature signal is realized by the field signal acquisition module. The paperless recorder sends the control signal to the executing unit according to the temperature increasing, maintaining and reducing requirements of the technological curve to realize output of electric quantity size so as to control the temperature of the heating equipment.

Description

technical field [0001] The invention relates to a temperature control system for welding heat treatment of welding workpieces such as large steel structure parts, pressure vessel shells and pipelines. Background technique [0002] Large-scale steel structure workpieces of special materials, pressure vessel shells, etc., according to different welding processes, in order to meet the requirements of the welding process and eliminate welding stress during the welding process, far-infrared electric heating plates, crawler heaters, and ropes are usually used. The type heater heats the weld seam. According to different welding processes, it is often necessary to achieve different temperature change curves. Although the centralized temperature control equipment has complete functions, it is large in size and high in cost; and the portable temperature control device although It is easy to carry and low in cost, but its function cannot meet the complex and high-precision temperature ...

AI Technical Summary

Problems solved by technology

[0002] For large steel structure workpieces of special materials, pressure vessel shells, etc., according to different welding processes, in order to meet the requirements of the welding process and eliminate welding stress during the welding process, far-infrared electric heating plates, crawler heaters, and ropes are usually used. The type heater heats the weld seam. According to different welding processes, it often needs to achieve different temperature change curves. Although the centralized temperature control equipment has complete functions, it is large in size and high in cost; and the portable temperature control device although Easy to carry and low cost, but the function cannot meet the complex and high-precision temperature change requirements

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