Water-cooling fan

Abstract

A water-cooling fan comprises a shaft and a water-cooling main body. The shaft is connected with a fan impeller; the water-cooling main body is arranged on the position close to the fan impeller; a water-cooling jacket is arranged in an inner cavity of the water-cooling main body; and the part, extending into a high-temperature area, of the shaft penetrates through the inner cavity of the water-cooling main body. According to the water-cooling fan, on the one hand, the length of the shaft between the water-cooling main body and the fan impeller is shortened by forwards moving the water-coolingmain body, and thus the stability of rotating of the fan impeller is greatly improved; and on the other hand, the part, extending into the high-temperature area, of the shaft can be cooled completely, that is, the whole part, extending into the high-temperature area, of the shaft is not damaged or broken due to overheating, the mechanical properties of the shaft are also not affected, and the service life of the shaft is greatly prolonged.

Description

technical field [0001] The invention relates to the field of high-temperature fans, in particular to a water-cooled fan. Background technique [0002] The water-cooled shaft seat of the existing high-temperature fan is usually installed away from the fan impeller, or installed on the lower side of the fan impeller. Basically, the temperature the shaft bears is below 500°C, that is, the existing water-cooled shaft seat is suitable for medium and high temperature occasions . Therefore, the existing water-cooled shaft seat mainly solves the problem of the life of the shaft in a medium-high temperature environment, and the shaft extending into the high-temperature area will not be cooled as a whole, especially the part of the shaft near the center of the fan impeller will not be cooled. The high temperature of the fan impeller affects the shaft. [0003] In addition, the existing water-cooled shaft seat usually has a hole on its front side, that is, the front side, to install ...

AI Technical Summary

Problems solved by technology

Therefore, the existing water-cooled shaft seat mainly solves the problem of the life of the shaft in a medium-high temperature environment, and the shaft extending into the high-temperature area will not be cooled as a whole, especially the part of the shaft near the center of the fan impeller will not be cooled. The high temperature of the fan impeller will affect the shaft

[0003] In addition, the existing water-cooled shaft seat usually has a hole on its front side, that is, the front side, to install the bearing. Since the height of the shaft seat is usually greater than the thickness of the shaft seat, the shaft passes through the shaft seat along the thickness path of the shaft seat. In this way, The cooling area of ​​the shaft is smaller, and the cooling efficiency is obviously lower

[0004] Furthermore, the distance between the existing water-cooled shaft seat and the fan impeller is relatively large, so that the axial length between the two is relatively large, which will reduce the stability of the fan impeller when it rotates

[0005] In addition, the existing shafts are generally solid shafts, which cannot transmit the cold air flow, but can only spread on the outside of the shaft, so that the shaft cannot be cooled quickly, and the part of the shaft far away from the water-cooled shaft seat basically does not need much cooling. , will still produce overheating, which will greatly reduce the mechanical properties and service life of the shaft

Images