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Ultra-low vibration top end loading and unloading type thermostat device

A thermostat and ultra-low technology, applied in the field of vibration reduction, can solve problems such as inability to meet ultra-low vibration requirements, and achieve the effect of rapid sample change

Pending Publication Date: 2021-10-22
CSIC PRIDE (NANJING) CRYOGENIC TECHNOLOGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, as far as the vibration reduction effect is concerned, it is still unable to meet the ultra-low vibration requirements of 50-100nm that are generally required.

Method used

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  • Ultra-low vibration top end loading and unloading type thermostat device
  • Ultra-low vibration top end loading and unloading type thermostat device

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Embodiment Construction

[0024]The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0025] see figure 1 , an ultra-low vibration top loading and unloading thermostat device provided in this embodiment, the device includes a GM refrigerator 1, a thermostat cavity, a low temperature valve 13, a sample chamber 17 with a sample rod 29 installed, wherein the refrigerator 1 is installed On the refrigerator bracket 49, the refrigerator bracket 49 is installed on the outer frame 51, and the thermostat cavity is used to cover the low-temperature part of the device, isolating it from heat exchange with the exter...

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Abstract

The invention discloses an ultra-low vibration top loading and unloading type thermostat device which comprises a refrigerating machine (1), a vacuum cavity, a low-temperature valve (13) and a sample cavity (17) provided with a sample rod (29), the refrigerating machine (1) is installed on a refrigerating machine support (49), and the refrigerating machine support (49) is supported on an outer frame (51) through a support shock absorber (50). The refrigerating machine cavity inserted into the vacuum cavity is connected with the refrigerating machine (1) through a refrigerating machine vibration reduction corrugated pipe (2), and a heat exchanger of the refrigerating machine (1) and a heat exchanger of the corresponding refrigerating machine cavity are of an annular plug-in structure; and the upper end of the sample rod (29) is fixed on the air floatation optical platform (59) through a sample rod flange (30), and the sample rod flange (30) is connected with the sample cavity (17) through a sample cavity vibration reduction corrugated pipe (34). The multi-composite vibration reduction technology provided by the invention can meet the ultra-low vibration requirement of 50-100nm of a sample.

Description

technical field [0001] The invention belongs to the technical field of vibration reduction in cryostats, and in particular relates to a cryostat capable of measuring relevant property parameters of samples in a low-temperature magnetic field environment, in particular to an ultra-low vibration top loading and unloading type constant temperature adopting multiple composite vibration reduction device. Background technique [0002] In recent years, with the continuous development of advanced technology fields such as cryogenic optics, physical property measurement, and quantum, cryostats must not only meet the requirements of refrigeration temperature and cooling capacity, but also improve the vibration index on the original basis to reduce the temperature of the thermostat. Interference caused by vibrations on experimental results. [0003] At present, thermostats that require high vibration indicators often use pulse tube refrigerators as cooling sources. Compared with the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/42F16F15/02
CPCG01N1/42F16F15/02
Inventor 李海波李艳锋蔡旭东代永光
Owner CSIC PRIDE (NANJING) CRYOGENIC TECHNOLOGY CO LTD
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