34results about How to "Improve production efficiency" patented technology

The invention discloses a video watching point generation method and device, computer equipment and a storage medium. The method comprises the following steps: sending a video playing request of a video viewer to a server, wherein the video playing request comprises video identification information of a video file requested to be played; receiving the video file corresponding to the video identification information returned by the server; In the process of playing the video file, collecting a video image of the video viewer, carrying out micro-expression recognition on the video image, and determining video watching point information according to a micro-expression recognition result; and sending the video watching point information to the server. According to the technical scheme, the video watching point is determined according to the tiny expression change of the video viewer in the video file watching process, the method does not depend on manpower, the generation efficiency of the video watching point is improved, the accuracy of the video watching point obtained through the micro expression recognition mode is higher, and the accuracy of the video watching point is improved.

The invention relates to an automatic workpiece conveying device which comprises a steel frame body. The steel frame body is of a cuboid frame structure formed by connecting stand columns, long cross beams and wide cross beams end to end. The parts at one end of the steel frame body and along the two stand columns of the steel frame body are each provided with a loading lifting device, the loading lifting devices are provided and connected with electrical apparatus control system boxes, inlets are formed in the bottoms of the loading lifting devices, a row of horizontal roller paths are fixedly arranged in front of the inlets in a connection mode, iron drum circulating boxes are installed in the loading lifting devices, a row of rails arranged along the long cross beams of the steel frame body are connected to outlets in the upper portions of the loading lifting devices, feeding trolleys are installed on the upper faces of the rails, a plurality of hoppers are hung on the lower faces of the rails, the outer sides of the two loading lifting devices are each fixedly provided with a pedestrian path, and handrails are installed on the outer sides of the pedestrian paths. The automatic workpiece conveying device is simple in structure, the structure of automatic loading and automatic feeding is adopted, full automatic production is achieved, the production effect is improved, the labor intensity of workers is lowered, and labor is saved.

The invention provides a riveting device for a guide needle and aluminum foil of an aluminum electrolytic capacitor. The riveting device comprises a riveting assembly and a flattening assembly; the riveting assembly is provided with a deviation rectification assembly for rectifying the deviation of the guide needle; the deviation rectification assembly comprises a base and a servo motor arranged on the base; a screw-nut assembly is connected to an output shaft of the servo motor; a connection rod assembly is connected to the screw-nut assembly; a clamping hand is connected to the front end of the connection rod assembly and is driven to be opened and closed by the connection rod assembly; the riveting assembly and the flattening assembly are movably fixed to a horizontal moving assembly; the horizontal moving assembly comprises a transverse beam, a guide rail, a rack and a driving motor; the guide rail is arranged on the side surface of the transverse beam; the rack is arranged on the top surface of the transverse beam; and an output shaft of the driving motor is sleeved with a gear engaged with the rack. According to the riveting device for the guide needle and the aluminum foil of the aluminum electrolytic capacitor, the guide needle is in a limited state during punching by arranging a deviation rectification mechanism, the effect that the guide needle coincides with the center line of the aluminum foil is ensured, deflection is not prone to occurring, and the rejection rate is low.

The invention relates to a variable optical power wavelength division multiplexer and a preparation method thereof. The variable optical power wavelength division multiplexer is mainly formed by assembling a control circuit and two optical devices including an arrayed waveguide grating and a variable optical attenuator. The variable optical power wavelength division multiplexer is innovative mainly in the temperature control scheme of the variable optical attenuator. The temperature control of the variable optical attenuator is implemented by a heating scheme, and only driving-attenuation corresponding curves of a certain temperature and several temperatures above the temperature are required for the production test. According to the variable optical power wavelength division multiplexer,a high-low temperature circulation box does not need to be used during manufacturing, long waiting time during heating and cooling is avoided, and waste of a large amount of labor-hour is reduced; anda variable optical attenuator which is specific to attenuation efficiency in low temperature environment and normal to attenuation efficiency in the high temperature environment can be utilized, andthe utilization rate of raw materials is improved; at the same time, only the relatively simple unidirectional heating control is required in the circuit control, the cooling control is not needed, thus the cost is relatively low, a great amount of labor-hours and material costs are saved, manufacturing efficiency is effectively improved, and manufacturing costs are reduced.

The invention provides an apodizing fiber grating fabrication device for realizing a single exposure. In the device, a concave cylindrical mirror of special design and fabrication is added on a basis of the originally conventional phase maskplate fiber grating fabrication device. By utilizing the device provided by the invention, two types of exposures in the apodizing fiber grating fabrication can be simultaneously completed for once. An apodizing fiber grating fabrication method comprises the following steps: an ultraviolet light with an apodizing distribution is focused through a focusing cylinder lens and writes fiber grating on a photosensitive fiber through the phase maskplate; the ultraviolet crossed the fiber grating is incident to the concave cylindrical mirror, the concave cylindrical mirror reflects some ultraviolet light back, the reflected ultraviolet light is refocused at the fiber grating and forms an inversed apodizing distribution for carrying out an reflective index direct current shaping exposure on the fiber grating, so that the apodizing fiber grating fabrication can be completed. The method provided by the invention can avoid from moving the phase maskplate and changing the diaphragm, thus the fabrication efficiency of the apodizing fiber grating can be improved.

In the image display device, the vignetting pattern generator generates a vignetting pattern image composed of image data having inverted brightness characteristics obtained by inverting brightness characteristics of a panel of the liquid crystal display. The display controller carries out control to cause a pattern image obtained by combining a flat pattern image in gray composed of image data having a uniform grayscale level and the vignetting pattern image to be displayed on the liquid crystal display. And the correction data calculator calculates correction data for correcting brightness unevenness of an input image based on brightness values of image data of captured images obtained by imaging, by the camera, the pattern images displayed on the liquid crystal display.

The invention is to provide an uninterruptible power supply that is able to response to diverse output specifications of DC power source units while avoiding increase of numbers of models. DC power source units 30-1 and 30-2 are placed in a container different from other container that contains an AC power source unit 20 and the AC power source unit and the DC power source unit are detachable. Further, the DC power source units 30-1 and 30-2 is provided with a setting unit that sets a condition for starting power supply in response to outside operation.

The present invention proposes one method of separating ethylene cracking gas and is one combined separation process including hydrating separation, cryogenic separation and membrane separation for separating hydrogen, methane and C2 component in the cracked gas. The combined separation process includes the first contact of the cracked gas with water containing liquid in hydrating separation unit for C2 component to form hydrate prior and for the cracked gas to be separated into methane + hydrogen flow and methane + C2 flow; dewatering hydrogen flow and methane + C2 flow, cooling and separating in cryogenic methane eliminating tower into methane and C2 component; dewatering methane + hydrogen flow, separating in membrane separator into methane and hydrogen, and pre-cooling and expanding methane to provide the methane eliminating tower with cold. The said process has low power consumption.

The invention relates to a hydraulic machine, in particular to a hydraulic machine provided with a device for inner hole finish machining through a steel ball (3). The hydraulic machine comprises the device for inner hole finish machining and a hydraulic table (6). The device for inner hole finish machining comprises a hydraulic head (2), a clamp (5) and the steel ball (3), the device for inner hole finish machining is installed on the working face of the hydraulic table (6), the hydraulic head (2) is installed in the middle of a hydraulic machine body (1) and corresponds to the device for inner hole finish machining, the stamping end is in an inwards-concave arc shape and is coincident with the surface of the steel ball (3) in radian, the clamp (5) is in a hollow U shape and is beneficial to placement of a workpiece (4) and extruding work of the steel ball (3), the steel ball (3) is placed on an inner hole of the workpiece (4) to be stamped by the hydraulic head (2), and a hydraulic pressure gauge and a motor are installed inside the hydraulic table (6) to serve as power control of the hydraulic head (2). The original requirement of hole finish boring for a cutter and a machine tool is replaced, the machining number at unit time is one time higher than the machining number of hole finish boring at unit time, the quality of machined products, particularly the roughness, is higher than that of hole finish boring, the yield is improved, and the production effect is improved.

The invention discloses a method and device for generating an interface document which can be applied to the financial field, and the method comprises the steps that when software is packaged, annotation information in software codes is collected based on a maven plug-in, the annotation information is generated during software development, the annotation information comprises interface information, and the maven plug-in is integrated in a Jenkins packaging tool; according to the annotation information and a format conversion plug-in in the software code, the software interface document is generated. The interface information is added into the annotation of the software code in advance, the maven plug-in is used for automatically scanning the annotation to collect the interface information, the format conversion plug-in is used for generating the interface document, automatic generation and format unification of the interface document are achieved, and the generation efficiency of the interface document is improved.

The invention discloses a preparation method of a novel nano composite antibacterial material. The preparation method comprises the following steps: S1, firstly, preparing a sodium pyrithione aqueous solution with a certain concentration; s2, dispersing a certain amount of attapulgite in the sodium pyrithione aqueous solution, stirring and mixing, and standing the mixed solution for 30 minutes after stirring; s3, separating the standing solution, dispersing the separated solid with clear water again, standing the dispersed solid again, standing for 30 minutes, and performing suction filtration and separation again; s4, after separation is completed, free sodium pyrithione on the surface is washed away; and S5, carrying out drying treatment on the obtained composite material at 60-120 DEG C. According to the preparation method of the novel nano composite antibacterial material, metal ions such as Mg, Zn and Al in the attapulgite are utilized to be compounded with the copper pyrithione sodium salt in situ, so that the dosage of the metal salt is reduced, the copper pyrithione salt with a nano structure can be obtained by virtue of the nano structure of the attapulgite, and the bactericidal broad-spectrum property and bactericidal effect are improved.

The invention discloses a steel mesh. The steel mesh is provided with multiple openings used for performing solder paste printing; the openings include first openings used for the solder paste printing of dense pads; the dense pads consist of multiple sub dense pads separately corresponding to multiple pins on the same sides of a multi-pin component; and the single first opening can directly crossthe single dense pad. A manual reflow soldering method by using the steel mesh is also disclosed. The method includes the following steps: a step of solder paste printing, namely the step of fixing the steel mesh on a circuit board, scratching solder paste on the pads of the circuit board by utilizing a scraper, brushing the superfluous solder paste on the steel mesh and removing the steel mesh;a step of adhesive dispensing and mounting, namely the step of fusing patch adhesive through a curing furnace, dropping the fused patch adhesive to corresponding positions of circuit board components,and placing the components at the position where the patch adhesive is dropped to perform fixing; and a step of reflow soldering. The steel mesh and method can effectively reduce costs of component soldering in small batch and enhance soldering efficiency and yield.

The invention discloses a cutter loading system for a numerical control cutter grinding machine. The loading system comprises a rotating loading disc and a loading-unloading mechanism, wherein the loading-unloading mechanism is positioned above the rotating loading disc. The cutter loading system can realize automatic clamping and unloading of a cutter to be grinded, so that the production efficiency can be largely improved; and meanwhile, the cutter loading system is helpful to realize the numerical control automated production.