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High-efficiency air supply device for non-resistance square area for buildings with projection function

An air supply device and building technology, applied in the direction of duct layout, etc., can solve the problems such as inability to effectively improve air quality, poor ventilation effect, and difficulty in the layout of space air outlets.

Active Publication Date: 2021-07-06
XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Solve the technical problems of difficulty in the arrangement of air outlets in trapezoidal building space, poor ventilation effect, and inability to effectively improve air quality

Method used

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  • High-efficiency air supply device for non-resistance square area for buildings with projection function
  • High-efficiency air supply device for non-resistance square area for buildings with projection function
  • High-efficiency air supply device for non-resistance square area for buildings with projection function

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] Such as figure 1 As shown, this embodiment proposes an air supply device used in a trapezoidal building space. The circular tuyere device includes a blade fixing structure and 36 blades. All blades are fixed around the blade with the axis of the blade fixing structure as a round point The structure is connected to form a circular tuyere device around the fixed structure of the blades. There is a gap between adjacent blades. The gap forms an air duct, that is, the air outlet. The angle y of the air duct satisfies:

[0049]

[0050] Among them, y 0 is a constant, the value is 0.73632±0.01431;

[0051] w is a constant, the value is 0.96536±0.01885;

[0052] x c is a constant, the value is 1.30539±0.03258;

[0053] A is a constant with a value of 0.28314±0.02027

[0054] A two-dimensional coordinate system is established with the axis of the blade fixed structure as a circle point, and the horizontal positive direction of the two-dimensional coordinate system is spe...

Embodiment 2

[0059] This embodiment proposes an air supply device in a trapezoidal building. The device includes a diffuser body (i.e., a blade fixing structure), and the body is provided with a circular air inlet, an arc-shaped transition section, a wedge-shaped air outlet and a sealing partition (i.e. vanes); the wedge-shaped tuyere and the sealing partition are arranged on the body at intervals. The circular air inlet on the new circular diffuser device is connected to the ventilation and air conditioning duct / static pressure box, the wedge-shaped air outlets are evenly arranged along the arc direction of the circle, and the adjacent air outlets are separated by a sealed partition to ensure the airflow It flows in from the circular air inlet, passes through the arc-shaped transition section connected with the circular air inlet, and flows out from the evenly arranged wedge-shaped air outlets.

[0060] Preferably, the diameter of the interface between the circular diffuser and the air du...

Embodiment 3

[0064] This embodiment provides an air supply system for a trapezoidal room, the air supply system includes a blower unit, the blower unit transports the gas to the air supply area through the main pipeline and branch pipelines, and then passes through the circle described in embodiment 1 or 2. The trapezoidal tuyere device delivers air into the trapezoidal room.

[0065] Further, the air blower unit includes a horizontal main pipe and a branch pipe connected with the horizontal main pipe. After the air blower unit sends the gas to the air supply area through the main pipe and the branch pipe, the air supply direction is changed through the bent pipe, and the bent pipe comes out The air outlet is located at the center of the top of the trapezoidal room and is perpendicular to the horizontal plane, and the above-mentioned circular air outlet device is connected to the air outlet of the elbow.

[0066] The diameter of the interface between the circular tuyere device and the elbo...

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Abstract

The present invention proposes a non-resistance square-area high-efficiency air supply device for buildings with projection functions, including a blade fixing structure and s blades. A circular air supply port is formed around the structure, and there is a gap between adjacent blades, and the gap forms an air outlet. The present invention aims at the current air supply status of theater projection hall buildings, and provides a non-resistance square zone high-efficiency air supply device for buildings with projection functions. Evenly distributed in the auditorium.

Description

technical field [0001] The invention belongs to the field of ventilation and air conditioning, and relates to the improvement of air outlets in ventilation and air conditioning rooms, in particular to an air supply device used in buildings such as movie theaters and projection halls. [0002] technical background [0003] With the improvement of people's living standards, people pay more and more attention to the artistic enjoyment of large public buildings. Classrooms, conference halls, gymnasiums, multi-functional halls, cinemas, etc., the shape of the building space is often designed as a trapezoid. This kind of trapezoidal building has a large area and accommodates a large number of people. The floor of some trapezoidal buildings gradually rises in a stepped shape. The farther away from the center of the demonstration platform, the higher the ground and the higher the seats. In the architectural space of such trapezoidal theaters and stadiums, people are relatively conce...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F13/06
CPCF24F13/06
Inventor 高然张恒春文诗豪厉海萌来婷陈睿李安桂
Owner XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY
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