4results about How to "Stable wind speed" patented technology

The invention relates to the technical field of fans, in particular to a fan blade assembly and a portable fan, and the fan blade assembly provided by the invention comprises a shell which is internally through and comprises an air inlet end and an air outlet end; the pressurizing piece comprises a pressurizing seat and a plurality of stationary blades; the fan assembly and the pressurizing piece are sequentially arranged in the axial direction, and the fan assembly comprises a rotating base and a plurality of fan blades; the pressurizer is arranged in the shell, and the interior of the pressurizer is through and surrounds the radial peripheries of the fan assembly and the pressurizing piece; and in the axial direction from the air inlet end to the air outlet end, an air flow channel is formed among the inner surface of the supercharger, the outer surface of the rotating seat and the outer surface of the pressurizing seat, and the sectional area of the air flow channel is gradually reduced. The air flow is gradually pressurized and accelerated in the air flow channel in the air flow direction, so that the air pressure and the air speed are uniformly improved, and the air pressure and the air speed of the air flow finally blown out of the fan blade assembly can be more stable.

The utility model provides a kind of electric hair dryer, it includes shell and hair dryer piece.The electric hair dryer of the utility model, shell inside is equipped with multiple independent air duct, each air duct independently sets air inlet, air outlet and hair dryer piece, airflow can independently circulate in respective air duct inside, effectively ensure the air speed, air pressure stability of each direction air outlet, improve overall hair drying efficiency;And, the air outlet direction of the air outlet passage formed by the electric hair dryer corresponding multiple air ducts is different, so that user can realize the coverage of multiple area airflow without frequently adjusting the position of electric hair dryer, to make airflow distribution more uniform, range more extensive, to effectively cover the different area of object to be blown dry, improve user's use experience.

The wind speed balancing device of the rolling and connecting unit of the wind-powered wire feeding system belongs to the field of cigarette making technology. It includes a dust removal pipe wind speed detection unit and a wind speed adjustment control unit, a tobacco pipe wind speed detection unit and a PLC control system. The dust removal pipe wind speed detection unit and the wind speed adjustment control unit are arranged in the dust removal pipeline between the wind power unit and the cigarette machine wire collection box, and the tobacco pipe wind speed detection unit is arranged in the tobacco pipe between the wire feeding machine and the cigarette machine wire collection box. The dust removal pipe wind speed detection unit and the wind speed adjustment control unit, and the tobacco pipe wind speed detection unit transmit the collected data to the PLC control system, and the PLC control system adjusts the parameters of the dust removal pipe wind speed detection unit and the wind speed adjustment control unit, and the tobacco pipe wind speed detection unit. The stability of the wire feeding wind speed of the rolling and connecting unit is achieved, and the possibility of tobacco pipe blockage is eliminated under the premise of reasonably reducing the wire feeding wind speed. Therefore, the unit wind speed balancing device can keep the wire feeding wind speed of the cigarette unit stable and tobacco is supplied normally.

This invention relates to a debris removal system and method based on multimodal optical detection using air separation. The system includes a feed duct, a primary visual inspection and removal unit, a secondary laser inspection and removal unit arranged sequentially along the material conveying direction of the feed duct, a debris collection unit connected to the feed duct, and a noise reduction and maintenance unit that encloses noise-generating components. This invention forms a redundant and complementary detection system through dual-modal optical detection using both vision and laser. Primary visual inspection quickly removes debris with obvious optical characteristics, while secondary laser inspection identifies foreign objects of the same color in blind spots of visual inspection based on the physical properties of the material surface. This significantly improves the overall debris detection and removal rate, ensuring the high purity of the finished product.