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Low-speed wind box for artificial icing climate laboratory

A laboratory, ice-covered technology, applied in the field of electrical engineering, to achieve the effect of good stability, continuous uniformity of wind speed, and adjustable wind speed

Active Publication Date: 2015-08-19
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to design a low-speed wind box for the artificial icing climate laboratory in view of the backward situation of the wind flow facilities in the artificial icing climate laboratory.

Method used

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  • Low-speed wind box for artificial icing climate laboratory

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Embodiment Construction

[0018] See attached figure 1 , figure 1 Shown is an embodiment of the low-speed wind box used in the artificial icing climate laboratory of the present invention. The box body 7 of this embodiment is a rectangular high-density rigid polyurethane insulation board with a thickness of 200 mm, a width of 800 mm, and a length of 8 m. Cubes spliced ​​together. The wind tunnel 3 with the air duct 2 is arranged on the inner cavity bottom surface of the box body 7 . The centrifugal fan 1 of this embodiment adopts the G4-68 type centrifugal fan produced by Jiangnan Fan Factory in Wuxi, China, with a power of 90kW and a flow rate of 46606-82688m 3 / h, the total pressure is 4276-2903Pa; the air duct 2 adopts a commercially available ordinary rectangular tinplate air duct with a cross-sectional specification of 2 meters × 3 meters; Ordinary metal deflectors for sale; grid-type air deflector 5 adopts 2 pieces of commercially available common metal grid-type deflectors whose size matches ...

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Abstract

The invention discloses a low-speed air box for an artificial icing climatic laboratory. The low-speed air box for the artificial icing climatic laboratory is provided with a rectangular box body (7); an air tunnel (3) with an air tube (2) is arranged in the box body (7); an air return inlet (6) is formed in one side of the air tunnel (3); grille-type air guide plates (5) are arranged in the air tube (2) at an interval; the other end of the air tube (2) is connected with a centrifugal fan (1); deflectors (4) are arranged in the cavity of the air tube (2) between the centrifugal fan (1) and one grille-type air guide plate (5). Once the low-speed air box is started, the cavity of the box body (7) forms an air return area of the air tunnel (3), and the inner cavity of the air tunnel (3) immediately forms an equipment test area. Outer circulating transport of air can supply uniform air required for a test. The low-speed air box has the advantages that 0 to 10 m / s uniform air can be formed in an equipment test central area; the air speed is continuous, the uniformity is adjustable, and the stability is high; the conventional centrifugal fan is adopted, so that the low-speed air box is convenient to maintain.

Description

technical field [0001] The invention belongs to the technical field of electrical engineering, and relates to a low-speed wind box for an artificial ice-covered climate laboratory that can provide low-speed uniform air flow for the artificial ice-covered climate laboratory. Background technique [0002] Icing of power transmission and transformation equipment is one of the most serious natural disasters in power transmission projects. Icing accidents greatly endanger the safe operation of the power grid and cause great losses to social and economic development. Establishing an artificial icing climate laboratory and carrying out artificial icing experiments can study the mechanism of ice formation, develop various anti-icing and disaster mitigation technologies, and reduce the damage of power equipment to ice disasters. At present, many scientific research institutions at home and abroad have established multi-functional artificial icing climate laboratories, which can reali...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01D21/00G01M9/00
Inventor 陆佳政孙利朋蒋正龙方针赵纯张红先李波
Owner STATE GRID CORP OF CHINA