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Rapid temperature variation testing machine

A temperature change, testing machine technology, applied in laboratory utensils, chemical instruments and methods, heating or cooling equipment, etc., can solve the problems of uneven air flow, unevenness, influence, etc., to achieve the effect of balanced flow

Inactive Publication Date: 2011-09-07
陈隽
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Problems solved by technology

[0003] In the existing rapid temperature change testing machine, a fan is arranged on the wall of the experimental area, and a cylindrical cover is arranged outside the fan. The top of the cover is axially provided with an air groove, and the upper side of the cover is provided with a convection area, and the convection area is provided with When the fan is started, the air is sucked into the cover body, enters the convection area through the air supply slot, and then is discharged from the grid to achieve a circular flow. When the air forms wind and is discharged from the air slot, it is not uniform, resulting in Unbalanced air flow, which affects the test

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Embodiment Construction

[0010] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0011] refer to figure 1 As shown, the rapid temperature change testing machine includes a body and an experimental area 1 located in the body. A motor 2 is arranged on the wall of the experimental area 1. A fan 3 is connected to the motor 2. A cover 4 is arranged outside the fan 3. The cover 4 The upper side is provided with a convection area 5, the convection area 5 is provided with a grid, and the cover body 4 is provided with an air groove, and an air deflector 6 is arranged above the air groove, and the air deflector 6 has two pieces, interlaced with each other It is provided that the cross section of the wind deflector 6 is arc-shaped.

[0012] When the motor 2 drives the fan 3 to rotate, the air circulates in the experimental area 1, and after being sucked into the cover 4, it is discharged from the gap between the two walls of the air deflector 6 and...

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Abstract

The invention discloses a rapid temperature variation testing machine, comprising a machine body and an experimental plot arranged in the machine body, wherein a motor is arranged on the wall surface of the experimental plot, the motor is connected with a fan, a cover body is arranged outside the fan, the cover body is provided with an air duct, two wind deflectors are arranged above the air duct, the sections of the wind defectors are in an arc shape, and the two wind deflectors are arranged in a staggered way; when air is sucked into the cover body, the air is respectively discharged from gaps between the wind deflectors and the cover body and enters into a convection current region; on one hand, the wind deflectors block the wind discharged from the air duct, on the other hand, the wind is guided outside from the two ends of the wind deflectors, thus the wind is uniform and the air flow in the experimental plot is balanced.

Description

technical field [0001] The invention relates to a test device, in particular to a rapid temperature change test machine. Background technique [0002] The rapid temperature change testing machine is mainly used to control the environment of the experiment to meet the special needs of temperature and humidity, to ensure the smooth progress of the experiment and the stability of the quality of related products. Conduct high and low temperature impact, temperature rapid change, high temperature and high humidity, low temperature and low humidity, condensation tests, etc., to test the adaptability of the product itself or to screen the temperature and humidity stress of the product. [0003] In the existing rapid temperature change testing machine, a fan is arranged on the wall of the experimental area, and a cylindrical cover is arranged outside the fan. The top of the cover is axially provided with an air groove, and the upper side of the cover is provided with a convection ar...

Claims

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Application Information

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IPC IPC(8): B01L7/00
Inventor 陈隽
Owner 陈隽
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