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Experiment apparatus for establishing gradient temperature field in water

An experimental device and technology of gradient temperature, which is applied in the field of optical teaching and demonstration experimental instruments, can solve the problems of not seeing experimental instruments, etc., and achieve the effect of low cost, simple structure of the device, and good intuition

Active Publication Date: 2015-10-21
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But there is no similar experimental equipment used for student experiments

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  • Experiment apparatus for establishing gradient temperature field in water
  • Experiment apparatus for establishing gradient temperature field in water
  • Experiment apparatus for establishing gradient temperature field in water

Examples

Experimental program
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Effect test

Embodiment 1

[0013] exist figure 1 , 2 Among them, the experimental device for establishing a gradient temperature field in water in this embodiment is connected by a semiconductor laser 1, a transparent water tank 2, a semiconductor cooling chip 3, a base 4, a laser bracket 5, a semiconductor cooling chip bracket 6, a temperature sensor 7, and a temperature display 8 constitute.

[0014] A transparent water tank 2 is placed on the base 4. The transparent water tank 2 is made of plexiglass or quartz glass. The geometric shape of the transparent water tank 2 is a cuboid, and the transparent water tank 2 is filled with water. On the front side wall in the transparent water tank 2, a semiconductor cooling chip support 6 is fixedly installed, and on the rear side wall in the transparent water tank 2, a semiconductor cooling chip bracket 6 is fixedly installed, and each semiconductor cooling chip bracket 6 is fixed. A semiconductor cooling chip 3 is installed, the semiconductor cooling chip b...

Embodiment 2

[0017] On the front side wall in the transparent water tank 2, a semiconductor cooling chip support 6 is fixedly installed, and on the rear side wall in the transparent water tank 2, a semiconductor cooling chip bracket 6 is fixedly installed, and each semiconductor cooling chip bracket 6 is fixed. A semiconductor cooling chip 3 is installed, the semiconductor cooling chip bracket 6 and the semiconductor cooling chip 3 are immersed in water, the distance from the upper surface of the semiconductor cooling chip 3 to the water surface is 120mm, the geometry of the two semiconductor cooling chips 3 and the transparent water tank 2 The position is the same as that of Embodiment 1, the front sides of the two semiconductor refrigerating sheets 3 are hot surfaces, the front sides are perpendicular to the horizontal plane, and parallel to the length front side wall of the transparent water tank 2, and the horizontal center planes of the two semiconductor refrigerating sheets 3 are at th...

Embodiment 3

[0020] In the above embodiments 1 and 2, two semiconductor cooling chip supports 6 are fixedly installed on the front side wall in the transparent water tank 2, and two semiconductor cooling chip brackets 6 are fixedly installed on the rear side wall in the transparent water tank 2. 1 semiconductor cooling chip 3 is fixedly installed on each semiconductor cooling chip support 6, the semiconductor cooling chip support 6 and the semiconductor cooling chip 3 are immersed in water, the distance from the upper surface of the semiconductor cooling chip 3 to the water surface is the same as the corresponding embodiment, 4 The geometrical shape of each semiconducting refrigerating sheet 3 and the position in transparent water tank 2 are identical with embodiment 1, and the front side of 4 semiconducting cooling sheets 3 is hot surface, and front side is perpendicular to horizontal plane, and the length front side wall of transparent water tank 2 Parallel, the horizontal central planes ...

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Abstract

An experiment apparatus for establishing a gradient temperature field in water is characterized in that a transparent water tank filled with water is arranged on a base, a front sidewall and a rear sidewall in the transparent water tank are at least provided with one semiconductor cooler support provided with a semiconductor cooler, the semiconductor cooler support and the semiconductor cooler are immersed into the water, the distance from the upper surface of the semiconductor cooler to the water surface is at least 100mm, the front side surface of the semiconductor cooler is a hot surface or a cold surface, the hot surface is perpendicular to a horizontal plane and is parallel with the front sidewall of the transparent water tank, horizontal central planes of the two semiconductor coolers arranged at the front side and the rear side are within the same horizontal plane, the front sidewall in the transparent water tank is provided with one row of temperature sensors, the front sidewall outside the transparent water tank is provided with a temperature display connected with the temperature sensors through wires, a laser support provided with a semiconductor laser is arranged on the base at the left side of the transparent water tank, and a laser beam emitted by the semiconductor laser transmits between the two semiconductor coolers.

Description

technical field [0001] The invention belongs to the technical field of optical teaching and demonstration experimental instruments, and in particular relates to an experimental demonstration device for the relationship between fluid refractive index and temperature. Background technique [0002] The change law of atmospheric refractive index with the distribution of atmospheric temperature is the basic content of atmospheric optics. Studies have shown that the atmosphere, as a continuous medium, has a refractive index that is a function of temperature, mainly because the temperature distribution in the air directly determines the density distribution, and the density of the medium is directly related to the refractive index. The refractive index is small. Therefore, the refractive index of the low-temperature region of the atmosphere is greater than that of the high-temperature region. This law makes the light beam bend and transmit to the low-temperature region of the atmo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09B23/22
CPCG09B23/22
Inventor 张宗权任俊鹏黄育红杨宗立鲁佰佐刘志存
Owner SHAANXI NORMAL UNIV
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