45results about How to "Size fits" patented technology

The invention relates to a preparation method for an AuSn20 alloy brazing filler metal used for packaging an integrated circuit, which comprises the following steps: preparing gold and tin in proportions; placing the gold and tin into a casting furnace; sealing the furnace and vacuumizing the furnace; rising the temperature till the gold and tin are completely melted, controlling the temperature of the melt at 500-600 DEG C, refining for the purpose of alloying the gold and tin and degassing, and pouring the alloy in a graphite mould; placing an acquired AuSn20 alloy bar into a quartz tube and heating; sealing the furnace and vacuumizing till the pressure is 4-6Pa; rising the temperature and controlling the temperature rising; after melting the alloy bar, controlling the temperature of the melt to be 500-600 DEG C, and refining for 2-3 minutes; performing the melt-spinning process by using a vacuum quenching melt-spinning machine, controlling the temperature of the melt within 500-600 DEG C in the melt-spinning process, and introducing high-pressure nitrogen from an upper port of the quartz tube, wherein the nitrogen pressure is 10-15Pa; and spraying the alloy melt onto a speedily rotating metal wheel of the vacuum quenching melt-spinning machine from a bottom hole on the quartz tube, thereby acquiring a belt material. The belt material can be milled into a foil belt material or be punched into a slice or annular deeply processed product in the corresponding specification. By using the method, the product having excellent integrated circuit property can be prepared.

The invention discloses a vehicle detection method based on a YOLO v3 improved algorithm. The method comprises the steps: S1, collecting a vehicle data set, wherein the vehicle data set comprises a plurality of images I of an object GT frame; S2, clustering the width and the height of the GT frame by using a dimension clustering method to generate the sizes of the width and the height of K prior frames; S3, inputting the image I into a skeleton network Darknet-53 of the YOLO v3 for feature extraction, and outputting feature maps of different scales; S4, averagely distributing the sizes of theK prior boxes to the feature maps of different scales for prediction and generating corresponding candidate boxes; S5, selecting a final prediction box according to the generated candidate box; S6, mapping the final prediction box to the original image according to the relationship between the feature map and the original image, and positioning the vehicle information in the image. According to the method, the distance calculation formula of the GT frame and the clustering center is improved, the sensitivity of the formula to the IOU value is reduced, the priori frame size obtained through clustering better conforms to the true value, the priori frame quality is improved, and therefore the performance of the YOLO v3 detection method is improved.

The invention relates to a man-made material particle which is applicable to manufacturing a badminton ball head or bottle plug and made of man-made materials. The man-made material particle comprises a particle body with polyhedral appearance and at least one air chamber arranged in the particle body.

The invention relates to the field of electrical connectors, in particular to a non-contact power transmission system. The non-contact power transmission system comprises a transmitting end and a receiving end, wherein each of the transmitting end and the receiving end comprises a magnetic core and a coil; each magnetic core comprises an inner ring, an outer ring and a base; the inner ring and the outer ring are fixed on the base through corresponding ends respectively; the coil is wound on the inner ring; one end, away from the base, of the inner ring protrudes out of the corresponding end of the outer ring. According to the non-contact power transmission system, one end, away from the base, of each of the inner rings of the magnetic cores of each of the transmitting end and the receiving end protrudes out of the corresponding ends of the outer rings. Therefore, the electromagnetic field can be better guided to be distributed in a wider range, so that the non-contact power transmission system has a longer power transmission distance and a wider range, thereby reducing the requirements on the shape of the magnetic core. In conclusion, the non-contact power transmission system is not only consistent with the size of non-contact power transmission systems, but also to meets the requirements on transmission distance.

The preform made of a 3D fibrous structure comprises at least 3 layers (1, 2) of weft yarns and/or warp yarns, the structure being woven as a single part by multilayer weaving between a plurality of layers of warp yarns and a plurality of layers of weft yarns. It comprises a predetermined distribution of points of intersection of warp yarn and weft yarn that are bonded by polymer. The polymer represents a mass of less than or equal to 10%. The preform comprises at least one thermoformed portion in which the warp yarns and the weft yarns are bonded at the intersections thereof by polymer whereat least one of the warp and/or weft yarns bears polymer.

The invention discloses a fabricated steel structure building with a good anti-seismic effect and an assembling method thereof, and relates to the technical field of fabricated steel structure buildings. The problems that symmetry cannot be guaranteed during installation of an anti-seismic mechanism in an anti-seismic fabricated steel structure, and the anti-seismic effect is affected are solved. The fabricated steel structure building with the good anti-seismic effect comprises a building framework, an X-shaped anti-seismic structure, an I-shaped anti-seismic structure and fastening bolts, and the X-shaped anti-seismic structure and the I-shaped anti-seismic structure are arranged on the outer wall of the periphery of the building framework through the fastening bolts; the assembling method of the fabricated steel structure building with the good anti-seismic effect comprises the following steps that the X-shaped anti-seismic structure and the I-shaped anti-seismic structure are selected according to the actual situation of the building framework. According to the fabricated steel structure building with the good anti-seismic effect and the assembling method thereof, the X-shaped anti-seismic structure and the I-shaped anti-seismic structure can be split, so that transportation and carrying are convenient, meanwhile, the X-shaped anti-seismic structure or the I-shaped anti-seismic structure can be selected according to actual conditions, and the anti-seismic capacity of the building framework is further improved.

The invention relates to a bean polishing machine. The bean polishing machine comprises a rack, two polishing plates, two drive devices and two sliding bases; the two sliding bases are vertical and are mounted in the rack at an interval in parallel, the two polishing plates are vertically arranged and are in one-to-one correspondence to the sliding bases, the polishing plates are mounted on the faces where the corresponding sliding bases close to each other in a sliding manner, a gap is arranged between the two polishing plates, the two sides of the two polishing plates are in sealed connection through a flexible belt, and a polishing chamber with the upper and the lower opened are defined by the two polishing plates and the flexible belt, the lower end of one polishing plate is rotatably provided with a brake plate, the brake plate can rotatably cover or open the opening in the lower end of the polishing chamber, the two drive devices are mounted at the positions, corresponding to the two polishing plates, of the two sides of the rack in a one-to-one correspondence manner, and the drive ends of the drive devices are fixedly connected with the side ends of the corresponding polishing plates. The bean polishing machine has the beneficial effects of being simple in structure, convenient to use, capable of effectively removing impurities, mildew and the like on bean surfaces, and ensuring smoothness of the bean surfaces, high in polishing efficiency and good in effect.

The invention discloses a recreational vehicle, which comprises a vehicle body, front-row seats and rear-row seats, wherein the front-row seat comprises a front-row base and a front-row backrest; thefront-row backrest can be overturned backwards and put down relative to the front-row base; the rear-row seat comprises a rear-row base and a rear-row backrest; cushions capable of forming a back cushion, a seat cushion and a foot cushion of the rear-row seat are connected to the rear-row base; the cushions at least comprise a left cushion and a right cushion, the left cushion and/or the right cushion are/is of a foldable unfolding structure and can be forwards unfolded to form a first lying bed, and the rear-row backrest can be backwards overturned and put down relative to the rear-row base to form a second lying bed. The left cushion or the right cushion can be independently unfolded; during use, the left cushion or the right cushion only needs to be unfolded forwards, meanwhile, the corresponding front-row seat in the vehicle body is put down, then the unfolded left cushion or the unfolded right cushion is flatly laid on the corresponding front-row seat, the bed capable of being used for lying can be independently formed, the use flexibility and convenience of the cushions are improved, and diversified use functions are brought to a user.

The invention provides an explosion-proof aviation cart, and belongs to the technical field of aviation carts. The cart comprises a cart main body, an explosion-proof tank and a partition plate, the cart main body comprises a main body frame and a top plate, and an opening is formed in the top plate; the anti-explosion tank is fixed in the cart body through a partition plate and comprises a tank body and a tank cover which is installed on the tank body and can be opened or closed relative to the tank body, and the tank cover is installed on an opening of the top plate. The explosion-proof aviation cart can improve the emergency treatment capacity of lithium ion batteries and explosives of aircrafts, has the functions of flame retardance, explosion prevention and toxic gas purification, canflexibly move in the aircrafts, is small in parking space, meets the size of conventional aviation carts, and does not need to specially modify the aircrafts or occupy other storage spaces of the aircrafts.

The invention relates to a protective element for footwear, to footwear having the protective element built therein, and to a method for manufacturing said protective element, with use in the field of dance shoes. The protective element is to be inserted into the front portion of the footwear and includes a shell 2 for enclosing the toes of the user. Said shell forms a one-piece assembly including an internal portion 3, for making contact with the toes of the user and formed of a resilient material having a first hardness, and an outer portion 4, opposite the inner portion and formed of a rigid material having a second hardness that is greater than the first hardness. The outer portion is formed by injecting the rigid material, having a second hardness, into a first mold. The inner portion is formed by injecting the resilient material, having a first hardness less than the second hardness, into a second overmolding mold wherein the outer portion 1 is positioned.

The invention relates to the technical field of draught fan manufacturing, in particular to a platform used for a tower barrel, a tower barrel assembly and a draught fan. The platform used for the tower barrel comprises a benchmark platform and an annular adjusting platform. The benchmark platform is located in the adjusting platform, and the adjusting platform is connected with the benchmark platform. According to the provided platform used for the tower barrel, a user only needs to manufacture different-size adjusting platforms which are used for being matched with benchmark platforms of which the sizes are the same as the sizes of the adjusting platforms according to the sizes of the inner walls of tower barrels, so that the platform is modular, the standardization of the platform is improved, and the manufacturing period of the platform is shortened.

The invention discloses a trimming device for a gravure printing machine. The trimming device comprises a machine body, a centering mechanism used for putting a printing product straight, a cutting mechanism used for cutting the edge part of the printing product along a scanning line, a negative pressure scrap suction mechanism used for removing wool fibers produced after trimming by suction and a conveying mechanism used for driving the printing product to move, wherein in the conveying direction of the printing product, the cutting mechanism is positioned in front of the centering mechanism; the cutting mechanism comprises a knife holder, a slitting knife used for slitting the edge part of the printing product and a base used for being propped against the printing product to be convenient for the slitting knife to perform force application; the slitting knife is connected with the knife holder; and the base is positioned below the slitting knife. The trimming device for the gravure printing machine has the advantage that the rejection rate is reduced by trimming wool fibers on the edge part of the printing product.

The invention relates to a humanoid robot palm structure which comprises a palm skeleton, a plurality of connecting rod mechanisms which are rotatably mounted on the palm skeleton and are used for simulating fingers and driving motors which are arranged on the palm skeleton and are in driving connection with the corresponding connecting rod mechanisms through ball amplitude connecting rods, wherein one of the five driving motors is arranged on the palm center side, and the four driving motors are arranged on the palm side and are tightly arranged up and down. For the humanoid robot palm structure disclosed by the invention, through reasonable layout of the driving motors of the fingers, a width, a length and the size in a height direction of the palm are reduced, so that the size of the palm better conforms to the size of a palm of a real person; and the driving motors drive the corresponding connecting rod mechanisms to act through the ball amplitude connecting rods, so that motor shafts of the driving motors and rotating shafts of the connecting rod mechanisms are not located on a same plane, the space problem of layout of the driving motors can be solved, and thus the size of the palm is effectively reduced.

The invention relates to an underwear size selection method which comprises the steps of: obtaining input breast shape information, basic information and difference compensation information, wherein the basic information comprises upper chest circumference data, lower chest circumference data, waist circumference, hip circumference, height and weight information; after performing difference compensation on the upper chest circumference data based on the difference compensation information, acquiring the upper chest circumference data after difference compensation; based on the difference value of the upper chest circumference data and the lower chest circumference data after difference compensation, matching with an input cup size database matrix, and obtaining initial cup size information of the user; comparing the breast shape information with a pre-recorded sagging type reference value; if the input breast shape is not a sagging shape, acquiring initial cup size information of the user; and if the input breast shape is a sagging shape, performing one-cup-level adding processing on the initial cup size information to obtain final cup size information after one-cup-level adding processing of the user. The underwear size selection method has the effect of conveniently and accurately matching underwear for customers.