An adjustable deflector air supply method and device attached to the wall of a square column

A technology of air supply device and deflector, which is applied in the direction of heating method, airflow control element, space heating and ventilation, etc. It can solve the problems of energy waste, high air supply speed, human health impact, etc., and reduce discomfort Excellent blowing feeling, improving air cleanliness and improving ventilation efficiency

Active Publication Date: 2022-03-08
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The air supply from the roof diffuser and the side air supply from the side diffuser belong to the common mixed ventilation mode. It is formed by mixing the incoming fresh air and the original indoor dirty air, which will also have a certain impact on people's health.

Method used

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  • An adjustable deflector air supply method and device attached to the wall of a square column
  • An adjustable deflector air supply method and device attached to the wall of a square column
  • An adjustable deflector air supply method and device attached to the wall of a square column

Examples

Experimental program
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Effect test

Embodiment 1

[0047] In this embodiment, a 12m×12m×4m (L×W×H) building space is taken as the research object, and four square columns are evenly distributed in the building space, and the size of a single square column is 1m×1m×4m (L×W×H). ×H), the column wall is attached to the ventilation and the deflector is assumed to distribute the airflow distribution as follows figure 1 shown. The present invention includes a strip-shaped air outlet and a segmented deflector. In this embodiment, the segmented deflector includes an arc-shaped deflector and two straight deflectors; the size of the strip-shaped air outlet 1 is 1000mm ×60mm (L×W). A segmented deflector is installed on each of the four sides of the column, such as Figure 5As shown, the first arc deflectors 2 on the four sides of the cylinder are linked by a slider 5 that adjusts the height of the deflectors. The slider 5 is embedded with an internally threaded bearing, and the slider 5 is connected by a screw rod 6. The height adjustm...

Embodiment 2

[0049] In order to ensure the cleanliness and freshness of the air in the breathing zone, the height of the deflector is set to 0.6m, 0.8m, 1.1m, 1.4m, 1.7m, 2.3m according to the height of the general human body. The air supply speed of a bar-shaped air supply port of the column is 2m / s, the air supply temperature is 20°C, and the total air supply volume is 6912m 3 / h, a return air outlet with a size of 0.4m×0.4m is arranged around the top of the room, and a return air outlet with a size of 0.6m×0.6m is arranged in the center of the top of the room. The total exhaust air volume is equal to the air supply volume. Through numerical simulation, it is found that under the six working conditions, the temperature distribution, such as Figure 8 As shown in the middle section of the air outlet, when the height of the deflector is 1.1m, 1.4m and 1.7m, the temperature fluctuation range is 1.1m (sitting) and 1.7m (standing) in the human breathing zone. Between 25-27°C, it meets the th...

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PUM

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Abstract

The invention discloses an adjustable deflector air supply method and device suitable for attaching to the wall surface of a square column, which includes a strip-shaped air supply port arranged around the top of the square column, and a segmented air supply port surrounded by the body of the square column. Deflectors, the segmented deflectors are respectively arranged movable around the wall of the square column, and the segmented deflectors include at least one arc-shaped deflector, and two straight deflectors, the arc-shaped deflector The end surface of the plate is attached and moved around the wall of the square column, which is used to divert the air flow attached to the strip-shaped air supply port through the arc surface of the arc-shaped deflector to reduce the loss of airflow energy; two straight deflectors are connected in series , and connected with the other end surface of the arc-shaped deflector, for realizing directional steering of the airflow guided by the arc-shaped deflector. The invention can adjust the height and angle according to the requirements of rooms and personnel, meet the comfort requirements of personnel, and improve the effectiveness of ventilation attached to the vertical wall. The device has very low architectural restrictions and is not limited by applications.

Description

technical field [0001] The invention belongs to the technical field of ventilation airflow organization, and relates to an air-conditioning air supply deflector device, in particular to an adjustable deflector air supply device attached to the wall surface of a column for air supply. Background technique [0002] At the beginning of 2020, the outbreak and global spread of the novel coronavirus pneumonia have given people a new understanding of the airflow organization of building ventilation and air conditioning systems. presents a certain technical advantage. Reasonable air supply methods can effectively improve indoor air quality, and can also minimize the harm caused by air cross-contamination during the epidemic. [0003] At present, the air supply methods of some office buildings include the air supply from the roof diffuser and the air supply from the side diffuser. The air supply from the roof diffuser and the side air supply from the side diffuser belong to the com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F13/10F24F11/62F24F11/74F24F11/79
CPCF24F13/10F24F11/62F24F11/74F24F11/79
Inventor 尹海国韩月坤邓鑫姬黛娜王烁焱李安桂
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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