A sample changer for white light neutron source charged particle detection spectrometer
A technology of charged particle and neutron source, which is applied in the direction of material analysis, instruments, and scientific instruments using wave/particle radiation, which can solve the problems of low work efficiency and cumbersome operation.
Active Publication Date: 2021-07-06
DONGGUAN NEUTRON SCI CENT
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Problems solved by technology
Existing charged particle detection spectrometers usually fix the sample on the sample holder when performing detection, and the sample holder is installed in the vacuum chamber. When the sample needs to be replaced, the vacuum chamber must be opened to reload a new sample, and then Re-testing, the operation is cumbersome, and the work efficiency is low
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[0036]This example is used for the sample changer of the white light neutron source charged particle detection spectrometer, which is mainly installed in the vacuum target chamber for online switching of samples. Therefore, this example also describes the vacuum target chamber in detail, as follows :
[0037] The white light neutron source charged particle detection spectrometer vacuum target chamber of this example, such as Figure 1 to Figure 5 As shown, including mechanical system, vacuum air system and control system. Among them, mechanical systems such as Figure 2 to Figure 5 As shown, it includes a vacuum chamber 1 , a sample changer 2 and a detector angle rotation mechanism 3 . The vacuum chamber 1 is used to accommodate the detector 0, the sample changer 2 and the detector angle rotation mechanism 3, and provide a test environment for detection; the vacuum chamber 1 is connected to the detector 0, and a switching valve is set on the connecting pipe 01. The vacuum ...
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Abstract
The application discloses a sample changer for a white light neutron source charged particle detection spectrometer. This application is used for the sample changer of white light neutron source charged particle detection spectrometer, which includes a motor and a sample holder. The rack is sealed inside the bellows as a whole; the bellows is compressed under the drive of the motor, and the sample rack is extended out of the bellows at the same time to realize sample replacement. This application is used for the sample changer of the white light neutron source charged particle detection spectrometer, and the bellows is used to seal the sample holder, so that the sample holder can realize automatic sample change in a vacuum environment, without opening the vacuum every time the sample is changed Chamber; easy to use, greatly improving work efficiency and reducing labor consumption for sample replacement.
Description
technical field [0001] The present application relates to the field of neutron detection, in particular to a sample changer for a white light neutron source charged particle detection spectrometer. Background technique [0002] The white light neutron source is an extremely useful tool for nuclear data measurement and research, which can provide key nuclear data for the design of new nuclear energy facilities, nuclear astrophysics research, basic physical science, and national defense technology. Nuclear data measurement research has been carried out in the world for nearly 80 years, and has gone through several stages of nuclear data measurement for single-energy point neutron sources, white-light neutron sources in resonance regions, and fast white-light neutron sources. Before the 1960s, low-energy accelerators were mainly used to produce monoenergetic neutrons with a certain intensity through the reactions of d-D, d-T, p-T and p-7Li to measure the neutron reaction cross ...
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IPC IPC(8): G01N23/2204
CPCG01N23/2204
Inventor 孙志嘉周良樊瑞睿王艳凤杨桂安许虹夏远光唐彬滕海云周健荣王征陈元柏周晓娟修青磊
Owner DONGGUAN NEUTRON SCI CENT