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Device using neutron small-angle diffraction spectrometer to quickly locating sample location

A small-angle scattering and fast technology, which is applied in the direction of material analysis, measuring devices, and instruments using wave/particle radiation, can solve problems such as difficult sample positioning, and achieve the effects of avoiding deviation, fast and fast positioning, and easy control

Active Publication Date: 2017-07-14
INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to overcome the deficiency of difficult sample positioning in the neutron small-angle scattering spectrometer in the prior art, the present invention provides a device for quickly locating the sample position of the neutron small-angle scattering spectrometer. Small Angle Scattering Spectrometer

Method used

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  • Device using neutron small-angle diffraction spectrometer to quickly locating sample location

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Embodiment 1

[0020] figure 1 It is a structural schematic diagram of a device for quickly locating the sample position of a neutron small-angle scattering spectrometer according to the present invention, in figure 1 Among them, the device for quickly locating the sample position of the neutron small-angle scattering spectrometer of the present invention includes a pneumatic unit 1, a brake part 2, a high-precision laser level 3, an aviation plug 4, an operating handle 5, a control computer 7, and an air compressor Machine 9, collimator chamber 10, beam-limiting diaphragm I11, beam-limiting diaphragm II12, beam-limiting diaphragm III13, collimating telescopic tube 14, sample diaphragm 15, source diaphragm 16; among them, the collimator chamber 10 In order to seal the vacuum chamber, the connection relationship is that the beam-limiting diaphragm I11, the beam-limiting diaphragm II12, and the beam-limiting diaphragm III13 are respectively fixed by brackets in the collimator chamber 10, and a...

Embodiment 2

[0031] The structure of this embodiment is the same as that of Embodiment 1. The difference is that the pneumatic unit 1 is replaced by electric components; The source diaphragms 16 are all provided with diaphragm holes with a diameter of 16 mm.

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Abstract

The invention discloses a device using a neutron small-angle diffraction spectrometer to quickly locating sample location. The device is characterized in that a beam-limiting diaphragm which is fixedly arranged in a collimator cavity is connected with a stepping motor; a brake part in the collimator cavity is rigidly connected with a high-precision laser level; a pneumatic unit is fixedly connected with a rail, a control computer and an air compressor; the brake part is rigidly connected with the rail; the high-precision laser level is connected with an operation handle, and is rigidly connected with the brake part; a source diaphragm is arranged at the front end of the exterior of the collimator cavity; a collimation telescopic pipe is fixedly connected with the collimator cavity; a sample diaphragm is arranged on the collimation telescopic pipe; the brake part can do three-dimensional movement; in the debugging process, the high-precision laser level is used for pushing the position of a neutron beam flow, a horizontal and vertical rotation mechanism of the brake part is adjusted, and the emitted laser beams can simultaneously penetrate through the beam-limiting diaphragm. The device has the advantages that the device is jointly used together with the neutron small-angle diffraction spectrometer based on a reactor and a spallation neutron source, and the sample in different in-situ environment equipment can be quickly positioned.

Description

technical field [0001] The invention belongs to the field of neutron small-angle scattering experiments, and in particular relates to a device for quickly locating the position of a sample by a neutron small-angle scattering spectrometer, which can realize neutron small-angle scattering experiments on samples under various environmental loading conditions of the samples Research. Background technique [0002] Small-angle neutron scattering is an important technique and method for studying submicroscopic structure and morphological characteristics. It has been widely used in polymers, biomacromolecules, condensed matter physics, and material science. The research fields involve alloys, suspended solids, and emulsions. , colloids, polymer solutions, natural macromolecules, liquid crystals, thin films, polyelectrolytes, composites, nanomaterials and fractals, etc. In developed countries, each research reactor has one or several neutron small-angle scattering spectrometers as a...

Claims

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Application Information

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IPC IPC(8): G01N23/202
CPCG01N23/202Y02E30/30
Inventor 陈良孙良卫王云刘栋彭梅王运龙田强白亮飞闫冠云孙光爱薛艳梅刘耀光龚建
Owner INST OF NUCLEAR PHYSICS & CHEM CHINA ACADEMY OF
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