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Air conditioner air supply method utilizing air port special structure to realize equal air speed and tepefaction difference

A special structure and air outlet technology, applied in the field of air-conditioning air supply, can solve the problem of reduced comfort performance in the activity area, and achieve the effect of improving comfort

Inactive Publication Date: 2012-07-04
苏州市创建空调设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, under the natural operating conditions of the air conditioning system, the temperature of each point in the personnel activity area must also be different, that is, there is a temperature distribution difference (that is, the temperature field). The blowing feeling and temperature difference of the air supply air flow greatly reduce the comfort performance of the personnel activity area in the air-conditioned place

Method used

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  • Air conditioner air supply method utilizing air port special structure to realize equal air speed and tepefaction difference
  • Air conditioner air supply method utilizing air port special structure to realize equal air speed and tepefaction difference
  • Air conditioner air supply method utilizing air port special structure to realize equal air speed and tepefaction difference

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] Example 1: Combining figure 1 , figure 2 , image 3 with Figure 4 As shown, the length, width, and height of the room in the design and testing scheme are: 20*9.5*4.6 (m), the air supply mode adopts single side air supply, and the installation height of the air outlet is: 3m (height from the ground). The model and specification of the tuyere used is: FK-ZTF / 80*1600; the number of tuyere is 4, as follows figure 1 As shown; the air supply volume of a single tuyere is 1200CMH. The constant-velocity airflow (central wind speed) width band at the end of the air supply airflow calculated by the scheme of the present invention is 5.8m. The tuyere has three guide vanes. The air-supply angles at which the air-supply air stream between the blades exits the guide blades are respectively 9°, 12°, 18° and 25°. According to the winter working conditions, it is proved that there is air flow and the air supply temperature is 28°C, and the required temperature of the roo...

Embodiment 2

[0104] Example 2: From Figure 5 It can be seen from the figure that the product has seven guide vanes, and each guide vane has different deflection angles of the air supply air; there are eight different effective flow heights between the guide vanes (the effective flow height is determined by combining the length factor of the tuyere). circulation area). The branch air pipe of the air-conditioning air supply system can be easily connected to the throat of the air outlet, and can also be connected to the static pressure box as required. In special occasions, an air volume adjustment device can also be configured to facilitate system debugging and air volume balance. The specific calculation process can be found in Example 1, and will not be described in detail.

[0105] combine Figure 5 , Figure 7 It can be seen that, taking the installation structure of the air-conditioning air supply system with top air supply and lower return air as an example, the height of the p...

Embodiment 3

[0106] Example 3: Figure 8 Shown is the specific application of the present invention in the air supply system of the top air supply and return air conditioner. In relatively different positions, air outlets with different subdivision specifications, namely D1, D2, D3, etc., are installed. These subdivision air outlets have different For the number of air supply blades and blade diversion angle, see Figure 8 , so that the uniformity of the airflow in the air supply space can reach more than 80%.

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Abstract

The invention discloses an air conditioner air supply method utilizing an air port special structure to realize equal air speed and tepefaction difference. In the method, air outlet grooves with different angles, different vane quantities and different effective flow areas and guide vanes of corresponding diversion angles are designed and deployed for air ports according to different installation air port areas or different installation manners and air supply manners indoors, so that the sent airflow bundles are nearly equal in speed; and the air supply airflow frequency width is increased, the covering region of the tail end of air supply airflow is ensured to be large and the mixing intensity of the air supply airflow and indoor air is high. The method can ensure that the tail ends of the air supply airflow bundles reaching a person active region are nearly equal in air speed, thereby reducing the temperature difference caused by the speed distribution difference of the tail ends of the airflow bundles, and promoting the distribution uniformity of a speed field and a thermal field of the air supply airflow; and meanwhile, the overlay area of an air supply airflow uniform speed airflow region is increased, the air supply airflow of a designed room is filled and distributed at every nook and corner of the room to the greatest extent, and the comfortability of an air conditioner field person active region is improved.

Description

technical field [0001] The invention relates to an air-supplying method of an air conditioner which utilizes a special structure of a tuyere to realize constant wind speed and slight temperature difference. Background technique [0002] The airflow organization and airflow beam pattern of the air-conditioned room mainly depend on the jet flow state and installation restrictions of the air supply airflow, while the structure, size and size change of the air supply outlet will directly affect and determine the mixing degree and diffusion performance of the airflow beam. , the air supply direction, the effective distance of the air supply and the distribution shape of the air supply stream in each section. Usually, it is necessary to select and determine the air outlet form after comprehensive consideration of factors such as the air conditioning system's requirements for temperature and humidity control accuracy in the place, the location of the air supply outlet, and the requ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F11/00
Inventor 俞文伟
Owner 苏州市创建空调设备有限公司
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