sst based measuring equipment
A technology of measuring equipment and equipment, applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve problems such as inability to measure low-temperature gas discharge parameters
Active Publication Date: 2019-02-12
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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Problems solved by technology
[0008] The embodiment of the present invention provides a measurement device based on SST to at least solve the technical problem in the related art that the discharge parameters of low-temperature gas cannot be measured
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[0025] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.
[0026] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...
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The invention discloses measuring equipment for SST (Steady State Townsend). The measuring equipment comprises an equipment main body, a cavity body, a measuring device, a transmission device, a two-stage cold head and a heating plate, wherein the equipment main body is provided with an accommodating cavity, the cavity body is formed in the accommodating cavity, a first mounting hole is formed in the cavity body, the measuring device passes through the first mounting hole, is partly arranged in the cavity body, and is used for measuring discharge parameters, such as an impact ionization coefficient alpha, an adsorption parameter eta and a secondary electron emission coefficient gamma, of a low-temperature insulating gas in the cavity body, the transmission device is connected with the measuring device, and used for controlling the measuring position of the measuring device, the two-stage cold head is mounted on the cavity body and connected with a refrigerator, the heating plate is attached on the cavity body, and the two-stage cold head and the heating plate are used for controlling the temperature of the insulating gas in the cavity body. The measuring equipment for SST disclosed by the invention solves the technical problem of incapacity of measuring the discharge parameters of a lower-temperature gas in the related technology.
Description
technical field [0001] The invention relates to the field of low-temperature superconducting insulation, in particular to a measurement device based on SST. Background technique [0002] Superconductors have zero-resistance and complete diamagnetic properties, and are used in controlled nuclear fusion, Large Hadron Collider (LHC), superconducting power cables, superconducting transformers, superconducting generators, superconducting energy storage systems, etc. It has great potential for development and application. [0003] In large superconducting devices such as the International Thermonuclear Experimental Reactor (ITER) and the Large Hadron Collider, the magnet system operates at the temperature of liquid helium and must withstand the test of extreme environments such as vacuum, ultra-low temperature, and strong magnetic field. Both the magnetic field and the current passed must not be greater than its critical value, otherwise the superconductivity will be lost. [00...
Claims
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IPC IPC(8): G01R31/00G05D23/00
CPCG01R31/00G05D23/00
Inventor 屠幼萍王劭鹤徐硕赵超王景春王璁秦司晨汪宜航
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)