Portable insulation cover airtightness detector

A detector and air flow detection technology are applied in the field of portable thermal insulation cover air tightness detectors to achieve the effect of convenient mobile access and light equipment.

Inactive Publication Date: 2014-11-05
SUN YAT SEN UNIV
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  • Portable insulation cover airtightness detector
  • Portable insulation cover airtightness detector
  • Portable insulation cover airtightness detector

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[0016] The present invention will be further described below in conjunction with specific embodiments.

[0017] Such as Figure 1 to Figure 3 As shown, the present invention discloses a portable thermal insulation cover air tightness detector 10, which includes an air flow detection element 1, an air guide housing 2, a processing module and a display panel 3, an air flow providing device 4; the air flow providing device 4 passes through the heat insulation cover 7 The through hole is opened to provide air flow to the inside of the heat preservation cover 7, the air flow detection element 1 is used to detect the air flow speed, the air guide shell 2 is used to make all the gas flow into the heat preservation cover 7, the processing module and the display panel 3 are used to receive and process the air flow detection Component 1 information, calculate and display the leakage rate value. The airflow detection element 1 detects the airflow speed and feeds the signal back to the proc...

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Abstract

The invention relates to a portable insulation cover airtightness detector which comprises an airflow detection element, an air-conducting housing, a processing module, a display panel and an air-flow provider. The airflow provider supplies airflow into an insulation cover through a through hole arranged in the insulation cover. The airflow detection element is used for detecting airflow velocity. The air-conducting housing is used for making a gas fully flow into the insulation cover. The processing module and the display panel are used for receiving and processing information coming from the airflow detection element and calculating and displaying the value of leak rate. Air pressure detection is not required. During the detection process, the insulation cover is never damaged or moved. After detected qualified, a furnace door can directly be closed for starting conventional crystal growth operations. Detection is very convenient, and equipment is light.

Description

technical field [0001] The invention relates to a portable thermal insulation cover air tightness detector. Background technique [0002] Solve the problem that in the preparatory work of crystal growth, the step of assembling the heat preservation cover cannot visually detect the quality of the heat preservation cover and whether the installation is qualified. [0003] Usually after the insulation cover of the crystal furnace is installed, the furnace door is closed immediately, the furnace cavity is evacuated, the protective gas is filled, and then the intermediate frequency power supply is turned on to enter the heating process. Until the temperature of the crucible in the heat preservation cover rises to a very high level (1000~2000 degrees Celsius, depending on the type of crystal), the problem of a large amount of heat loss due to unqualified quality of the heat preservation cover or unqualified installation will appear. Improper installation and excessively large por...

Claims

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Application Information

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IPC IPC(8): C30B35/00F27D21/04
Inventor 王彪朱允中沈文彬杨鸣名高森沛
Owner SUN YAT SEN UNIV
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