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Thermocouple clamping device for fuel cladding

A technology of clamping device and fuel cladding, which is applied in the field of reactor measurement, can solve the problem of non-adjustable clamping space of fuel cladding, and achieve the effect of accurate measurement

Active Publication Date: 2021-09-17
CHINA INSTITUTE OF ATOMIC ENERGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present application is to provide a thermocouple clamping device for fuel cladding to solve the problem that the clamping space of the fuel cladding is not adjustable when the fuel cladding is in a clamped state

Method used

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  • Thermocouple clamping device for fuel cladding
  • Thermocouple clamping device for fuel cladding
  • Thermocouple clamping device for fuel cladding

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Embodiment Construction

[0034] It should be noted that the various embodiments / implementations provided in this application can be combined with each other without conflicts. The detailed description in the specific embodiment should be understood as an explanation of the purpose of the application, and should not be regarded as an improper limitation of the application.

[0035] In the description of this application, the terms "clockwise", "counterclockwise" orientation or positional relationship are based on the attached Figure 5 The orientation or positional relationship shown. It should be understood that these orientation terms are only for the convenience of describing the application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a reference to the application. limits. The term "first / second" is only used t...

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Abstract

The invention relates to the technical field of reactor measurement, and provides a thermocouple clamping device for a fuel cladding, which comprises: a clamping piece, wherein a strip-shaped hole is formed in the clamping piece, and a clamping vacancy for accommodating the fuel cladding and a thermocouple is defined by the clamping piece; and a locking piece, wherein the locking piece is arranged in the strip-shaped hole in a penetrating manner and is connected with the clamping piece, so that the clamping piece clamps the thermocouple on the fuel cladding, and when the fuel cladding expands, the locking piece can slide along the strip-shaped hole, so that the clamping vacancy is enlarged, and the thermocouple is in contact with the fuel cladding. According to the thermocouple clamping device for the fuel cladding, thermocouple contact temperature measurement can be carried out in the whole process on the premise that the fuel cladding is freely expanded, the influence on the strength of the fuel cladding due to the fact that temperature measurement is carried out in the mode that a thermocouple is welded to the fuel cladding is effectively avoided, and the temperature of the outer wall of the fuel cladding can be measured more accurately under the condition that the structural strength of the fuel cladding is not changed.

Description

technical field [0001] The present application relates to the technical field of reactor measurement, in particular to a thermocouple clamping device for fuel cladding. Background technique [0002] In the process of new fuel element research, a very important test is to test the bulging and bursting performance of the fuel cladding under the condition of large opening loss of water accident (LOCA). Constantly bulging and deforming. To measure the temperature at the bulging (or even blasting) place, the traditional way of spot welding thermocouples will destroy the strength of the fuel cladding at the spot welding, and the conventional ferrule is used to clamp the thermocouples from the outside of the fuel cladding, but if If it is too tight, it will affect the swelling of the fuel cladding and interfere with the test results. Therefore, it is urgent to design a clamping device to overcome the deficiencies in the prior art. Contents of the invention [0003] In view of t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K1/143G01K7/02
CPCG01K1/143G01K7/02Y02E30/30
Inventor 武琦刁均辉何晓军季松涛关玺彤高永光李凯
Owner CHINA INSTITUTE OF ATOMIC ENERGY
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