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Asymmetric arc spectrum strength multi-angle measuring device and method

An arc spectrum and measuring device technology, applied in the field of devices for measuring arc spectrum intensity, can solve the problems of large occupied space and limited system working space, and achieve the effect of rapid measurement

Inactive Publication Date: 2010-07-21
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of large occupied space and limited working space around the system caused by the unfixed device and method for measuring arc spectral intensity in the prior art, the present invention proposes an asymmetrical arc spectral intensity multi-angle measuring device and method

Method used

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specific Embodiment approach 1

[0012] Specific implementation mode 1. Combination figure 1 with figure 2 Describe this embodiment, the asymmetrical arc spectral intensity multi-angle measuring device, it comprises stepper motor 1, speed reducer 0, welding torch 4, CCD camera 9, narrow-band filter 7, lens 6, water-cooled copper plate 5, welding torch splint 13, Bearing 14 and computer 10, the reducer 0 is composed of a driving gear 2 and a driven gear 3, the motor shaft of the stepping motor 1 is inserted into the center of the driving gear 2, the driving gear 2 meshes with the driven gear 3, and the lower end of the welding torch 4 is inserted The center of the bearing 14, the rotating shaft of the driven gear 3 is connected with the upper end of the welding torch 4, the welding torch splint 13 is an "L" shaped structure, the welding torch splint 13 is composed of a horizontal plane 13-1 and a vertical plane 13-2, and the bearing 14 is fixed Installed in the through hole of welding torch clamping plate 13...

specific Embodiment approach 2

[0015] Specific embodiment two, combine figure 1 Describe this embodiment, the difference between this embodiment and the specific embodiment one is that the asymmetric arc spectral intensity multi-angle measuring device also includes a neutral attenuation sheet 8, and the neutral attenuation sheet 8 is arranged on the narrow band filter 7 and the CCD camera In the middle of 9, the height of the neutral attenuation sheet 8 ensures that the radiation light passes through smoothly.

[0016] Radiation light with a specific wavelength passes through the neutral light reduction film 8, so that the light intensity of this wavelength is uniformly reduced, in order to match the appropriate aperture exposure.

specific Embodiment approach 3

[0017] Specific embodiment three, combine figure 1 This embodiment is described. The difference between this embodiment and the first or second embodiment is that the welding torch 4 is a double tungsten argon arc welding torch.

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Abstract

The invention provides asymmetric arc spectrum strength multi-angle measuring device and method, which relate to a device and a method for measuring arc spectrum strength and solve the problems of the traditional spectrum strength multi-angle measuring device and method that the occupation space is large and the system surrounding working space is limited because the device is not fixed. A driving gear and a driven gear of a stepping motor are engaged. A welding torch is fixed on a welding torch clamping plate by the driven gear and a bearing. A water cooling copper plate is arranged under the welding torch and is sequentially provided with a lens, a narrow band filter and a charge coupled device (CCD) camera. The stepping motor receives a control signal from a computer and drives the driving gear to rotate with a certain angle, the driving gear drives the driven gear to rotate with a corresponding angle, and the driven gear drives the welding torch to rotate. The welding torch generates an asymmetric coupling arc, and the arc plasma radiant light generated by the asymmetric coupling arc collects images through the lens, the narrow band filter and the CCD camera. The invention is suitable for measuring the asymmetric arc spectrum strength with limited space.

Description

technical field [0001] The invention relates to a device and method for measuring arc spectral intensity. Background technique [0002] It is well known that the temperature field is one of the important characteristics of arc plasma. For the diagnosis of cylindrical symmetric arc plasma temperature field, due to the symmetry of the arc, only the intensity of the arc radiation spectrum in one direction needs to be measured. As for the diagnosis of the asymmetric arc plasma temperature field, based on the asymmetry of the arc, the spectral intensity of the asymmetric arc is not only related to the radial position, but also related to the azimuth angle of the plasma. The asymmetric arc is measured to obtain its radiation spectral intensity distribution at multiple angles, and then the corresponding algorithm is selected to restore the emission coefficient according to the spectral intensity distribution at multiple angles, and finally its temperature field is calculated by th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J1/42G02B7/00B23K9/32
Inventor 张广军熊俊高洪明吴林李海超
Owner HARBIN INST OF TECH