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Hull welding temperature monitoring device

A technology of welding temperature and monitoring device, applied in the field of sensor measurement, can solve the problems of complex thermal stress and internal deformation, uneven structure and performance of heating and cooling, and achieve the effect of simple structure, good accuracy and wide linear range

Pending Publication Date: 2019-03-22
中国船舶工业综合技术经济研究院
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  • Abstract
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Problems solved by technology

These characteristics make the welding heat-affected zone cause uneven structure and performance, and uneven heating and cooling will cause complex thermal stress and internal deformation, and also cause welding porosity, slag inclusion, incomplete penetration, incomplete fusion and cracks important reasons for internal defects

Method used

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  • Hull welding temperature monitoring device

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Embodiment Construction

[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0021] The object of the present invention is to provide a hull welding temperature monitoring device, which is used for on-line monitoring of the temperature in the welding process.

[0022] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0023] Such as figure 1 As ...

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Abstract

The invention discloses a hull welding temperature monitoring device. The device comprises a magnetic thermocouple, a thermocouple digital converter, a main controller and a setting and displaying unit; the magnetic thermocouple is magnetically attached to a steel plate to be measured and used for measuring welding temperature; the thermocouple digital converter is connected with the magnetic thermocouple and used for conducting nonlinear correction and cold junction compensation on the welding temperature to obtain processed temperature; the main controller is connected with the thermocoupledigital converter and used for converting the processed temperature to online temperature; the setting and displaying unit is connected with the main controller and used for displaying an online temperature and setting a temperature threshold value. The device can monitor the temperature in the welding process online.

Description

technical field [0001] The invention relates to the technical field of sensor measurement, in particular to a hull welding temperature monitoring device. Background technique [0002] Welding technology has received more and more attention in shipbuilding and other industrial fields, and welding quality has a crucial impact on the quality of the assembled hull. In the early days, the materials used in the manufacture of welded structures were mainly low-carbon steel, and the quality of the welds was crucial. As long as there were no problems with the welds, the welding heat-affected zone generally would not have problems. With the development of technology, at present, various high-temperature, pressure-resistant, corrosion-resistant, low-temperature containers, deep-water submarines, nuclear power plants, and pipelines are also continuously manufactured. The metal materials used are various high-strength steels, stainless steels, Heat-resistant steel and some special mater...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K7/02G01K1/02G01K1/14B23K37/00
CPCG01K1/024G01K1/14G01K7/02B23K37/00
Inventor 田宏伟曲佳琪田娜王晓亮钱政米思坤李汉智
Owner 中国船舶工业综合技术经济研究院
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