13results about How to "Reduce sharpness" patented technology

The utility model relates to the technical field of plastic uptake product edge cutting, in particular to a forming edge cutting mechanism of a plastic uptake product, which comprises an edge cutting machine, a movable frame is connected to the outer side of the edge cutting machine in a sliding mode, a telescopic air cylinder drives a cutting knife to reset through arrangement of a movable assembly, so that a connecting block pushes a trigger rod and drives a telescopic rod to contract, and the edge cutting machine is used for cutting the plastic uptake product. At the moment, a fixing strip slides in an inclined groove formed in the surface of a connecting plate so as to abut against the connecting plate to move towards the surface close to the cutting knife, when a rotating shaft rotates, a movable shaft, a threaded rod, a sliding block and a toothed plate at the bottom can be driven to move downwards through a belt, and when the toothed plate moves downwards, a gear engaged with the surface and a grinding disc can be driven to rotate; according to the edge cutting device for the plastic uptake product, the used cutting knife is polished, the situation that in the edge cutting process of the plastic uptake product, the cutting knife makes frequent contact with the plastic product and cuts the plastic product, a cutting edge is gradually abraded, and the sharpness is reduced is prevented, the edge cutting quality and precision are improved, and the edge cutting efficiency is improved.

This invention provides a building-based facial recognition monitoring device and method, belonging to the technical field of monitoring devices. It includes a mounting box; a monitoring camera rotatably connected to the inner wall of the mounting box via a hinge, with two lenses fixedly mounted on the side of the camera; a washing box fixedly connected to the side of the mounting box and communicating with it; and a washing ring fixedly connected to the side of the mounting box, corresponding to the washing box. A transmission gear, through meshing with two driven springs, drives two pins to rotate, thereby causing two brush heads to rotate. The two brush heads, through rotation, brush away water mist from the two lenses, thus wiping away the water mist. This prevents the camera lenses from being blocked by water mist condensation when the monitoring device is installed at the entrance of an underground parking lot, avoiding a decrease in camera clarity and allowing the monitoring equipment to adapt to humid weather conditions, improving camera clarity.

The utility model relates to a wheel set structure for a luggage. The wheel set structure comprises at least one universal wheel assembly used for supporting a luggage body to move. Each universal wheel assembly comprises a rolling wheel and a universal joint with one end connected with the rolling wheel. An integrally formed bearing part is arranged at the other end of the universal joint, and the bearing part is connected with the box body; the bearing piece comprises an edge covering structure connected with the corner edges of the bottom of the box body and a step type installation piece used for being fixedly connected with the box body. By arranging the step type mounting piece, connection between the box body and the rolling wheels can be increased, connection between the box body and the rolling wheels is more stable and firmer, movement of the box body is reduced, meanwhile, the high edge design is arranged, the contact area between the box body and the high edge design can be increased, swinging of the box body is reduced, damage to the box body is reduced, and therefore deformation of the box body can be prevented; and through the design of the raised edges, the support of the bottom of the box body can be increased, so that the bearing effect of the box body can be improved.

This application relates to the field of demulsifiers, and more specifically, to an oil sludge demulsifier, its preparation method, and its application. An oil sludge demulsifier comprises the following components in the following mass ratio: 20-35 parts of a surfactant complex, 7-12 parts of an alkyl sulfate sodium cosolvent, 0.6-1.8 parts of a stabilizer, and 48-55 parts of water; wherein the surfactant complex comprises hyperbranched polyamide amine and polyether amine modified magnetic nanoparticles. This oil sludge demulsifier improves upon the problems of existing demulsifiers, such as low dehydration capacity, slow dehydration speed, poor demulsification effect, and low oil content, thereby improving the demulsification performance and dehydration efficiency, and achieving effective separation of oil sludge.

The utility model provides a constant directivity horn, relates to the technical field of horns, and aims to solve the technical problems of non-uniform sound amplification coverage, short transmission distance and poor sound definition of the horn in the prior art. A constant directivity horn comprises a horn body, the horn body is closed in the circumferential direction and comprises two opposite first side walls and two opposite second side walls, the distance between the two first side walls and the distance between the two second side walls are gradually increased from back to front, and the outer walls of the two first side walls are provided with connecting structures used for being connected with a bass unit. The two first side walls are provided with sounding structures corresponding to the positions of the connecting structures, wherein the sounding structures are used for sounding of the bass unit.

The present disclosure relates to the technical field of solar cell, and particularly relates to a rounded reagent and a photovoltaic cell and a preparation method thereof. A textured pyramid structure is arranged on a poly removal area of the photovoltaic cell, and the top angle of the top of the pyramid and the bottom angle of the bottom of the pyramid are both rounded. The photovoltaic cell has excellent passivation performance and a double-sided rate simultaneously.

The invention discloses an interaction method of an intelligent assistant, a man-machine interaction system and a related device, when the intelligent assistant is not awakened, a first function module is displayed on a man-machine interface at a first display definition, and a virtual image of the intelligent assistant is displayed on the man-machine interface at a second display definition. Therefore, the first function module is clearly displayed on the human-computer interface, and the virtual image of the intelligent assistant is fuzzily displayed. If the awakening operation for the intelligent assistant is obtained, the intelligent assistant is controlled to enter an awakening state, the virtual image of the intelligent assistant is displayed on the human-computer interface with the third display definition, and the first function module is displayed on the human-computer interface with the fourth display definition, so that the virtual image of the intelligent assistant is clearly displayed when the intelligent assistant is awakened. Therefore, when the intelligent assistant is not awakened, it is avoided as much as possible that the virtual image of the intelligent assistant distracts the attention of the user on the function module and shields the function module, and the display effect and operation convenience of the function module are improved.

This utility model discloses a leak-proof emergency linkage intelligent ventilation window for elderly care communities, belonging to the field of ventilation windows. It includes a ventilation window body, with a first spring fixedly connected to the outer wall of the ventilation window body. The other end of the first spring is fixedly connected to a first cleaning plate for cleaning the outer side of the glass of the ventilation window body. Through the arrangement of a first cam, a first cleaning plate, a first spring, and a first connecting block, when the rotating rod drives the first cam to rotate, the first cam rotates to contact and press against the first connecting block, causing the first cleaning plate to move back and forth, improving the cleaning effect on dust and impurities on the glass. This device makes cleaning dust and impurities on the outer side of the ventilation window body glass more convenient, preventing the tediousness of manual cleaning and avoiding the reduction in clarity of the ventilation window body glass due to the accumulation of dust and impurities over a long period, thus improving the elderly's ability to recognize external objects.

The invention provides a trimming method of a bonded wafer and a wafer, relates to the technical field of wafer preparation, and can reduce the edge and fragment risks in the wafer trimming process. The trimming method comprises the steps that the ith wafer is processed in sequence to form N wafer stacks, the ith wafer processing comprises the steps that the edge area of the front face of the ith wafer is trimmed, and the trimmed ith wafer is in a boss shape; enabling the convex part of the ith wafer to face the (i-1) th wafer for bonding; the back face of the ith wafer after bonding is thinned; trimming the edge area of the ith wafer after the back side is thinned, and trimming the edge area into the first wafer in the thickness direction; the edge region trimming comprises the following steps: thinning the first edge region of the ith wafer; carrying out oxidation treatment on the surface of the ith wafer after edge thinning; and a second edge area of the oxidized ith wafer is subjected to edge trimming, edge trimming is conducted in the thickness direction to the first wafer, and the first edge area is completely covered with the second edge area.

This utility model discloses a head-up display (HUD) assembly structure, including a HUD body, a PGU mounting structure, a mirror drive control structure, a housing, and a shielding film. The PGU mounting structure, the mirror drive control structure, and the housing are respectively disposed at predetermined positions on the HUD body. The shielding film is disposed on the housing. The PGU mounting structure includes a PGU device for generating and projecting images. The mirror drive control structure includes a mirror, which is adjustablely disposed on the HUD body for reflecting images. This utility model provides a reliable and durable head-up display assembly structure, improving the stability and reliability of the HUD assembly structure.

This invention relates to the field of image uploading technology, specifically to a method for fast image uploading via a mobile internet application. The method includes: collecting multi-dimensional information related to the image to be uploaded, including network status, the complexity of the image content, user operation information, and available memory on the client; determining the real-time requirements of the image based on user operation information; determining the image clarity requirements based on the complexity of the image content, and adjusting the upload clarity of the image according to the real-time and clarity requirements; determining the data block size used for uploading the image based on the instability of the network status, the real-time requirements, and available memory; and uploading the image with adjusted upload clarity according to the data block size. Using this invention, both image display quality and transmission efficiency can be balanced under complex network conditions.

The invention relates to the technical field of monitoring and early warning equipment, and discloses a real-time network engineering monitoring and alarming device, which comprises a mounting bracket for mounting and supporting the real-time network engineering monitoring and alarming device, and is characterized in that the front end of the mounting bracket is fixedly connected with an equipment main body, and the equipment main body comprises a driving device, the driving device is fixedly connected to the front end surface of the mounting bracket, and is used for cooperating with a subsequent assembly to perform astigmatism processing, so that the situation that light spots exist in collected image data due to light refraction in the network engineering monitoring process and the definition of the image data is influenced is avoided, the definition of images collected by the device is improved, and a user can use the device conveniently; the processing device is arranged at the front end of the driving device, the processing device is used for being matched with the driving device to carry out light scattering processing, the definition of images collected by the device is improved, and the device has the advantages that the definition of the images collected by the device is improved, and a user can use the device conveniently.