8results about How to "Avoid air turbulence" patented technology

The present application discloses a hierarchical electrostatic adsorption etching device, comprising a studio, a carrier, a first electrostatic suction cup and a second electrostatic suction cup. The first electrostatic suction cup and the second electrostatic suction cup are arranged in the studio and above the carrier. The electrostatic suction cup can attract impurity particles to adhere, thereby ensuring the cleanliness of the cavity environment, extending the cavity maintenance cycle, and improving the equipment operation efficiency; the second electrostatic suction cup is provided with a first perforation, and the impurity particles can move toward the first electrostatic suction cup through the first perforation; the attraction of the first electrostatic suction cup is greater than the attraction of the second electrostatic suction cup; a second electrostatic suction cup with smaller attraction is added below the first electrostatic suction cup, which will not affect the carrier's attraction to positive ions, and can well induce impurity particles with small splash angles and low splash heights to move upward; the impurity particles are mainly attached to the first electrostatic suction cup, which can keep the impurity particles away from the etching gas source, thereby avoiding airflow disturbance that has already been adsorbed. Impurity particles.

The present invention discloses a grinding device for stainless steel screw processing, which relates to the technical field of screw grinding, and comprises a box body, a transparent glass plate with a working window is installed on the front of the box body, a grinding motor, the grinding motor has a support stand, and an electric slide mounted on the grinding motor, the grinding motor is slidably mounted with the stand through the electric slide, and the stand is fixedly mounted on the left side inside the box body. The grinding device for stainless steel screw processing increases the grinding contact area of ​​the grinding disc with the stainless steel screw per unit time, improves the grinding efficiency, can intercept the dust generated during grinding into the bottom bucket, can fully grind the stainless steel screw, eliminate the grinding dead angle, and thoroughly grind and remove the dust and fine burrs remaining on the surface of the stainless steel screw, improve the thread matching of the stainless steel screw, and improve the overall quality of the product.

The application provides a metal pipe inner wall rust inhibitor AI spraying track planning method and system based on visual guidance, relates to the field of industrial automatic spraying technology, and the method comprises the following steps: acquiring original sequence images of a metal pipe inner wall collected by an endoscopic visual probe, performing optical distortion correction and multi-view point cloud space registration on the original sequence images to obtain an inner wall three-dimensional topological grid; extracting node coordinates and surface normal vectors of the inner wall three-dimensional topological grid, and calculating local curvature gradient distribution of the node coordinates and the surface normal vectors; performing threshold segmentation and feature boundary extraction on the local curvature gradient distribution to obtain a geometric feature partition graph of the spatial range of the thread groove bottom, the windward surface of the reinforcing rib and the weld reinforcement area. The application improves the uniformity of the coating and the protection reliability.

The invention provides a direct-discharge straight-tube flashing light tire pressure monitoring device of a non-motor vehicle, and relates to the field of air pressure detection, the direct-discharge straight-tube flashing light tire pressure monitoring device comprises an air inlet bottom shell assembly directly connected with a tire valve, the air inlet bottom shell assembly is used for receiving air in a tire, a transparent shell assembly is arranged at the joint of the air inlet bottom shell assembly, and the transparent shell assembly is connected with the air inlet bottom shell assembly. A detection assembly is arranged in the transparent shell assembly, an air pressure sensor used for detecting air pressure is installed at the position, located at the tail end of the air inlet bottom shell assembly, of the bottom of the detection assembly, and a top exhaust assembly communicated with the transparent shell assembly is arranged at the top of the transparent shell assembly. Airflow turbulence caused by riding vibration of the bicycle and the electric vehicle is effectively avoided, it is ensured that the air pressure sensor can accurately and continuously collect data, and stable and reliable tire pressure information is provided for a rider.

The present application relates to the technical field of tobacco production, and provides a wet dust collector, which comprises a dust removal cylinder, a flue gas inlet installed at the lower part of the dust removal cylinder, and a spraying component installed in the flue gas inlet and used for spraying washing liquid into flue gas, a fan is installed at the top of the dust removal cylinder, and a flue gas outlet is installed on the fan; a micro-permeation liquid membrane assembly is arranged on the inner top of the dust removal cylinder, and the micro-permeation liquid membrane assembly is connected with an inner cavity water supply assembly installed on the inner top of the inner wall of the dust removal cylinder; the micro-permeation liquid membrane assembly comprises a cylindrical sleeve arranged on the inner top of the dust removal cylinder and a sealing ring used for connecting the cylindrical sleeve with the inner cavity water supply assembly. In use, through the cooperation of variable-pitch spiral agglomeration and micro-permeation liquid membrane capture, the present application actively promotes the agglomeration and weight gain of superfine smoke dust, the micro-permeation liquid membrane provides a stable and reliable final capture surface, and the combination of the two ensures that the outlet smoke dust concentration is stable and meets the increasingly strict ultra-low emission requirements of the tobacco industry.

The utility model belongs to the field of semiconductor production, and particularly relates to a Bernoulli sucker structure and a combined sucker, which comprise a first shell, the top of the center of the first shell is fixedly communicated with an air inlet channel, a sucker core is arranged inside the lower part of the first shell, and the sucker core is matched with the inner wall of the first shell in shape. The suction cup core is fixedly connected with the first shell, a gap is reserved between the suction cup core and the first shell, an air suction structure is fixedly connected to the edge of the first shell, the bottom face of the air suction structure is flush with the bottom face of the edge of the first shell, and gas exhausted by the suction cup can be prevented from polluting the reaction cavity.

The invention relates to a low-voltage apparatus test data acquisition and processing system, which is characterized by comprising a computer, a data acquisition module and a control board card, and is characterized in that the data acquisition module is respectively connected with low-voltage electrical test equipment and the computer and is used for acquiring a current signal of the low-voltage electrical test equipment after receiving an acquisition command sent by the computer; the method comprises the following steps: collecting a current signal of a low-voltage electrical test device, feeding back the current signal to a computer for analysis, generating a control instruction by the computer according to an analysis result, sending the control instruction to a control board card, and adjusting the current of the low-voltage electrical test device by the control board card through a two-stage adjustment method. The control instruction is generated to adjust the current, and the current is controlled to be stably adjusted through a two-stage adjustment method, so that direct manual operation of personnel on the electrical equipment is avoided, and the current control process is safer.

The present invention discloses a silent integrated stove and a method for using the silent structure thereof. The integrated stove includes a gas stove, a range hood and a disinfection cabinet. A sound-absorbing cover is installed at the smoking port at the upper end of the range hood. The sound-absorbing cover completely covers the smoking port. A sound-absorbing component is installed in the sound-absorbing cover. The sound-absorbing component includes a sound-absorbing grid plate and a sound-absorbing inner plate. The sound-absorbing grid plate matches the smoking net of the smoking port. The sound-absorbing inner plate is installed on the inner wall of the sound-absorbing cover. The present invention adds a sound-absorbing cover to the smoking port of the integrated stove. The sound-absorbing cover absorbs the noise generated in the smoking port due to the flow of oil smoke or the collision with the pipe wall, and absorbs part of the fan operation noise transmitted from the fan, thereby achieving the purpose of sound absorption.