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A micro-nano temperature sensitive alarm

A micro-nano and alarm technology, applied in the micro-nano field, can solve the problems of difficult temperature changes of micro-nano components, and achieve the effects of enhanced designability, improved temperature sensitivity and high precision

Active Publication Date: 2022-01-04
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the temperature monitoring devices in the existing literature are used in macro mechanical equipment such as factory buildings, macro circuit systems, wooden structures, and gas preparation generators. They are not suitable for the field of micro-nano technology, and it is difficult to accurately monitor various micro-nano components. temperature change

Method used

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  • A micro-nano temperature sensitive alarm
  • A micro-nano temperature sensitive alarm
  • A micro-nano temperature sensitive alarm

Examples

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Effect test

example 1

[0038] (1) Type 1: The inner pipe is not filled with liquid, and the system does not contain a fluid circulation device. The inner layer pipe adopts a pipe made of aluminum elements (because the thermal expansion coefficient of aluminum is relatively large, the pipe made of aluminum elements is more sensitive to temperature changes). It is also possible to use other inner layer pipes made of composite materials with larger thermal expansion coefficients and better electrical conductivity according to the specific working environment. The outer pipe is made of an alloy material composed of nickel (>8%), chromium (>18%), iron, carbon (0.1%) elements (both mass fractions) (small thermal expansion coefficient, moderate rigidity, and electrical conductivity) , the three add up to 100% quality. It is also possible to make exclusive external pipes of compatible materials according to different working environments. The ratio of length to diameter of the inner pipe is 50:1, and the ...

example 2

[0042] (1) Type 2: The inner nanotube is filled with liquid, and the system contains a fluid circulation device. The inner tube is made of aluminum elements and ceramics whose properties change along the radius. The outer material of the inner tube is aluminum and the inner material is ceramics (aluminum has a larger thermal expansion coefficient and is more sensitive to temperature changes, and the inner part is made of ceramics. To a certain heat insulation effect, so that the temperature of the fluid in the tube has the least influence on the temperature of the inner tube). It is also possible to use other inner layer pipes made of composite materials with larger thermal expansion coefficients and better electrical conductivity according to the specific working environment. The outer pipe is made of an alloy material composed of nickel (>8%), chromium (>18%), iron, carbon (0.1%) elements (both mass fractions) (small thermal expansion coefficient, moderate rigidity, and elec...

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Abstract

The invention relates to a micro-nano temperature sensitive alarm, which can accurately monitor whether the temperature of components exceeds a predetermined threshold. The purpose of this design is to accurately monitor whether the temperature of the micro-nano device exceeds the predetermined threshold, so as to reduce the damage of the micro-nano device caused by the operation of the ultra-predetermined threshold temperature, or reduce the working efficiency of the device. Because this structure is equipped with micro-nano double-layer pipes, the alarm can be applied to the micro-nano field with high precision; because this structure adopts the outer tube design of functionally gradient materials, the temperature sensitivity is improved and the designability is improved. It is also greatly enhanced; this structure adopts two modes of inner tube infusion / non-infusion design, so that the temperature alarm threshold / cost can be adjusted in a small range.

Description

technical field [0001] The invention belongs to the micro-nano field and relates to a novel micro-nano temperature sensitive alarm. In particular, it relates to the stability change of the micro-nano flow pipeline caused by the temperature change and the flow velocity change of the fluid in the flow-transport nano-pipe to determine whether the system reaches the preset critical temperature. Background technique [0002] Monitoring system temperature changes is an inevitable research content in the field of micro-nano technology. Such as temperature monitoring of various components of micro-nano robots, temperature monitoring of micro-nano chips and temperature monitoring of liquid cooling devices. Most of the temperature monitoring devices in the existing literature are used in macro mechanical equipment such as factory buildings, macro circuit systems, wooden structures, gas preparation generators, etc. They are not suitable for the field of micro-nano technology, and it i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08B21/18G08B5/36
CPCG08B21/18G08B5/36
Inventor 杨欣周柏承仝国军宋亚丽刘永寿戴嘉茵
Owner NORTHWESTERN POLYTECHNICAL UNIV
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