Multiaxial neutron monochromator attitude adjustment device

A technology of adjusting devices and monochromators, which is applied in the direction of measuring devices, neutron radiation measurement, instruments, etc., can solve the problems of large height and space, and achieve the effect of ensuring stable operation, high-precision positioning, and compact and exquisite structure

Active Publication Date: 2011-11-23
CHINA INSTITUTE OF ATOMIC ENERGY
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Problems solved by technology

The STRESS-SPEC spectrometer of the Neutron Scattering Center in Munich has reserved three monoc

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  • Multiaxial neutron monochromator attitude adjustment device
  • Multiaxial neutron monochromator attitude adjustment device
  • Multiaxial neutron monochromator attitude adjustment device

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Embodiment Construction

[0022] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

[0023] The function of the neutron monochromator attitude adjustment device is mainly to place the crystal monochromator, and can remotely control the rotation, translation and tilt of the monochromator, and adjust the attitude of the monochromator to ensure the required monochromator. son. The device is a five-degree-of-freedom motion equipment integrating opto-mechanical and computer control technologies. The difficulty in its design is how to realize the integration of multi-axis high-precision motion axes in a limited space, and how to operate in a relatively closed environment with strong radiation High-precision positioning and stable operation are always guaranteed under long-term eccentric load-bearing. The space limitation of placing the device comes from the requirement of radiation shielding. From the perspective of shielding, the smaller ...

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Abstract

The invention belongs to the neutron scattering technology and in particular relates to a multiaxial neutron monochromator attitude adjustment device. The adjustment device comprises a mechanical stage body and a control system connected with the mechanical stage body by a cable. The adjustment device is characterized in that the mechanical stage body comprises a revolving stage arranged on a chassis; translation adjusters are arranged on the revolving stage; an oblique adjuster is arranged above the translation adjusters; a monochromator transposition revolving stage is arranged on the oblique adjuster; each movement mechanism of the mechanical stage body drives a monochromator to carry out multiple-degree-of-freedom position combination adjustment; and the control system comprises an industrial control computer provided with control software and a motor control unit realizing control of a stepping motor via a driver. The adjustment device integrates optics, mechanics, electronics and the computer control technology and can carry out five-degree-of-freedom movement adjustment on the neutron monochromator.

Description

technical field [0001] The invention belongs to neutron scattering technology, in particular to a multi-axis neutron monochromator attitude adjustment device. Background technique [0002] Most neutron scattering spectrometers based on reactor neutron sources require monochromatic neutrons (neutrons with a fixed wavelength or energy) as probes, and the neutron monochromation process is generally completed by a crystal monochromator. In the case that the neutron incident and exit channels are fixed, the position and attitude of the monochromator have a very important influence on the intensity and distribution of the monochromatic neutron beam. In order to extract a high-quality monochromatic neutron beam to meet the experimental needs, it is necessary to finely adjust the position and attitude of the monochromator with multiple degrees of freedom, which requires a specific device to achieve this function, that is, a multi-axis neutron monochromator Attitude adjustment devic...

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Application Information

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IPC IPC(8): G01T7/00G01T3/00
Inventor 高建波李峻宏刘晓龙李际周陈东风刘蕴韬王洪立孙凯肖红文韩松柏李眉娟张莉吴展华李天富焦学胜梁峰杨浩智王子军胡瑞
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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