A device for thermal cycle testing of high-energy beam hybrid welding

A composite welding and thermal cycle technology, applied in the direction of material thermal development, etc., can solve the problems of real-time dynamic data collection, display and post-processing, difficulty in forming commercial products, separation of test hardware and software systems, etc., and achieve good application prospects , Reduce test cost, simple and beautiful operation interface

Active Publication Date: 2016-03-30
SOUTHWEST JIAOTONG UNIV
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Problems solved by technology

[0004] The invention provides a device for thermal cycle testing of high-energy beam composite welding, which aims to solve the problem of the slow TIG and MIG welding processes of metal materials with small thermal diffusivity in most of the currently developed welding thermal cycle testing technologies, and the testing hardware It is separated from the software system and cannot be well integrated, which causes difficulties in the real-time dynamic collection, display and post-processing of data, and it is difficult to form commercial products.

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  • A device for thermal cycle testing of high-energy beam hybrid welding
  • A device for thermal cycle testing of high-energy beam hybrid welding
  • A device for thermal cycle testing of high-energy beam hybrid welding

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Embodiment Construction

[0028] In order to make the purpose, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the invention.

[0029] figure 1 It shows the structure of the device for thermal cycle test of high-energy beam hybrid welding provided by the embodiment of the present invention. For ease of illustration, only the parts relevant to the present invention are shown.

[0030] The unit includes:

[0031] The thermocouple sensor 11 is installed on the workpiece to be tested, and is used to convert the temperature change signal of the workpiece into an analog voltage signal, and output the analog voltage signal;

[0032] The signal amplification and filtering circuit 12 is connected with the thermocouple sensor 11, and ...

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Abstract

The invention belongs to the technical field of automatic control and provides a device for testing a high energy beam composite welding thermal cycle. The device is formed by connecting a thermocouple sensor, a signal amplifying and filtering circuit, an analog / digital converter, a personal computer (PC) and a power module. The device is based on a universal serial bus (USB), has high transmission rate, can completely meet the acquisition requirement, is small in size, has the advantages of plug-and-play and convenience in use and carrying, and is suitable for field measurement of various working conditions; the device is simple and attractive in operating interface, easy to operate, can display a dynamic curve of the acquisition process in real time and save the completely acquired data as a text file for analysis, and is accurate in result, high in working efficiency and reliability, high in expansibility and portability and high in data acquisition and processing automaticity; and moreover, the device is accurate in recording result, easy to operate, friendly in interface, convenient to use and carry, can well obtain a welding thermal cycle curve and has high popularization and application value.

Description

technical field [0001] The invention belongs to the technical field of automatic control, and in particular relates to a device for thermal cycle testing of high-energy beam composite welding. Background technique [0002] High-energy beam hybrid welding has the characteristics of high energy density and fast welding speed, coupled with the fast heat transfer speed of aluminum alloy, which greatly affects the forming accuracy of parts. Accurate measurement of transient temperature field is the premise and basis for controlling deformation. [0003] Currently developed welding thermal cycle test technology is mostly aimed at slow TIG and MIG welding processes of metal materials with small thermal diffusivity, and the test hardware and software system are separated, so they cannot be well integrated, providing real-time dynamic data collection, display and post-processing. Disposal creates difficulties and it is difficult to form a commercial product. Contents of the inventi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N25/20
Inventor 吴圣川张卫华彭漩缪炳荣
Owner SOUTHWEST JIAOTONG UNIV
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