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Inorganic hydrated salt phase change material phase layering measuring device and measuring method

A technology of inorganic hydrated salts and phase change materials, which is applied in the direction of transmittance measurement, etc., can solve the problems of rough measurement methods, low precision, and inaccurate quantification, and achieve the effects of quantitative characterization, low production cost, and simple structure

Inactive Publication Date: 2015-09-16
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a phase-separation measurement device and its measurement method for inorganic hydrated salt phase-change materials, so as to solve the problem that the existing phase-separation measurement methods of inorganic hydrated salts phase-change materials are rough, cannot be accurately quantified, and have low precision. question

Method used

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  • Inorganic hydrated salt phase change material phase layering measuring device and measuring method
  • Inorganic hydrated salt phase change material phase layering measuring device and measuring method
  • Inorganic hydrated salt phase change material phase layering measuring device and measuring method

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specific Embodiment approach 1

[0025] Specific implementation mode one: combine figure 1 and figure 2 Describe this embodiment, the inorganic hydrate salt phase change material phase layering measuring device of this embodiment includes a box body 1; the inorganic hydrated salt phase change material phase layering measuring device also includes a transparent container 2, a base 3, a back shape A cuboid 4, a photocell 5, an LED light source 6, a handle 7 and two slide bars 8, a transparent container 2 and a base 3 are sequentially arranged in the box body 1 from top to bottom, a back-shaped cuboid 4 is set on the transparent container 2, and the photocell 5 and the LED light source 6 are arranged oppositely in the back-shaped cuboid 4 respectively, and one end of the two slide bars 8 can be drawn and penetrated in the box body 1, and one end of the two slide bars 8 is arranged on the back-shaped cuboid 4. The other end of root slide bar 8 is connected with handle 7.

[0026] When the handle 7 is not lifte...

specific Embodiment approach 2

[0028] Specific implementation mode two: combination figure 1 and figure 2 Note that the device for measuring the phase layering of inorganic hydrated salt phase change materials in this embodiment also includes two bushings 9 , and one bushing 9 is provided at the junction of one end of each sliding rod 8 and the box body 1 . The purpose of setting this embodiment in this way is to ensure that the slide bar 8 with the scale slides directionally. The undisclosed technical features in this embodiment are the same as those in the first embodiment.

specific Embodiment approach 3

[0029] Specific implementation mode three: combination figure 1 and figure 2 Note that in this embodiment, the two slide bars 8 are provided with a scale value, and the intersection of the two slide bars 8 and the handle 7 is the zero scale of the scale value. This embodiment is set up in this way, the intersection of the sliding rod 8 with the scale and the handle 7 is 0mm, and the millimeter scale is evenly marked downwards successively, and the scale value shown on the upper end of the sleeve 9 is the height of the handle 7. The undisclosed technical features in this embodiment are the same as those in the second embodiment.

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Abstract

The invention discloses an inorganic hydrated salt phase change material phase layering measurement apparatus and a measurement method thereof, and relates to a phase layering measurement apparatus and a measurement method using the apparatus to solve the problems of roughness, no accurate quantification and low accuracy of present inorganic hydrated salt phase change material phase layering measurement methods. A transparent container and a pedestal are sequentially arranged in a box body from top to bottom, a hollow square cuboid is sleeved on the transparent container, a photocell and a bulb are oppositely arranged in the hollow square cuboid, one ends of two sliding bars are arranged in the box body in a pulling manner, and the other ends of the two sliding bars are connected with a handle. The method comprises the following steps: heating an inorganic hydrated salt phase change material; carrying out hot and cold cycle of the inorganic hydrated salt phase change material; drafting a curve of photocell current-height of the phase change material in the container; completing the curve of photocell current-height of the phase change material in the container; calculating the phase layering degree of the inorganic hydrated salt phase change material; and determining the layering degree. The apparatus and the method are used for the inorganic hydrated salt phase change material phase layering measurement.

Description

technical field [0001] The invention relates to an inorganic hydrate salt phase-change material phase layering measurement device and a measurement method thereof, belonging to the field of performance evaluation of inorganic phase-change materials. Background technique [0002] A substance that can undergo any one of the four phase transitions of solid-solid, solid-liquid, liquid-gas, or solid-gas can be called a phase change material. It is a kind of special material that can undergo phase change near the phase transition temperature and absorb or release a large amount of heat at the same time. There are three main types of phase change materials: inorganic phase change materials, organic phase change materials, and composite phase change materials. Inorganic hydrated salt phase change materials are widely used in solar heat storage, building energy saving and other fields because of their advantages such as moderate phase transition temperature, high thermal conductivit...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/59
Inventor 杨英姿刘雨时刘琪叶焕
Owner HARBIN INST OF TECH
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