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A New Type of Thermally Stimulated Current Measuring Device

A thermal stimulation current and measurement device technology, which is applied in the field of dielectric physical measurement and research, can solve the problems of poor repeat stability of test results, leakage of liquid nitrogen cooling, etc., achieve fast and controllable cooling rate, and increase thermal surface contact , Improve the effect of temperature control accuracy

Active Publication Date: 2020-09-11
HARBIN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0004] 1. The repeat stability of test results is not good;
[0005] 2. During the test, it is easy to leak in the vacuum chamber when using liquid nitrogen to cool down

Method used

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  • A New Type of Thermally Stimulated Current Measuring Device
  • A New Type of Thermally Stimulated Current Measuring Device
  • A New Type of Thermally Stimulated Current Measuring Device

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Embodiment Construction

[0035] Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be understood, however, that in developing any such practical embodiment, many implementation-specific decisions must be made in order to achieve the developer's specific goals, such as meeting those constraints related to the system and business, and those Restrictions may vary from implementation to implementation. Furthermore, it should be understood that development work, while potentially complex and time-consuming, would be a routine undertaking for those skilled in the art having the benefit of this disclosure.

[0036] Here, it should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only the device structure and / or processing steps closely related to the solution ac...

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Abstract

The invention discloses a novel thermal stimulation current measuring device, belongs to the field of electric medium physical measurement and study and aims to solve the technical problems that a conventional thermal stimulation current measuring device is poor in testing result repeating stability, and liquid nitrogen can be easily leaked off in a vacuum cavity when being cooled in a testing process. The device is technically characterized in that a moveable electrode module, a semiconductor refrigeration piece and a heat exchanger are arranged inside a vacuum chamber, and measurement on thermal stimulation current can be achieved. The device has the advantages of being rapid in cooling velocity, controllable in cooling process, high in measurement precision, accurate in measurement result and simple to operate; liquid nitrogen is replaced by using the semiconductor refrigeration piece and water under a certain experiment condition, experiment cost can be reduced, and security can beimproved; the device has wide application prospects in the field of medium material testing.

Description

technical field [0001] The invention relates to a thermally stimulated current measuring device, in particular to a novel thermally stimulated current measuring device, which belongs to the field of dielectric physical measurement and research. Background technique [0002] The Thermally Stimulated Current (TSC) method is an important experimental method that uses macroscopic physical methods to study the microscopic properties of the medium. The thermally induced current method is an effective method for studying dipole relaxation, trap parameters, space charge storage and transport, polymer structure relaxation and transformation, and molecular motion characteristics in polymers. Thermally stimulated current (TSC) is a tool to study the trap structure and the space charge storage and transport characteristics controlled by the trap structure in polymer materials. It is also an important means to study the structural transformation and molecular motion of polymers. The fie...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N27/00G05D23/19
CPCG01N27/00G05D23/19
Inventor 韩柏王健宇吕雪松高鑫王暄
Owner HARBIN UNIV OF SCI & TECH
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