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31results about How to "Avoid making" patented technology

Method for preparing powder high-speed steel billet, powder high-speed steel billet and application

The invention discloses a method for preparing a powder high-speed steel billet, the powder high-speed steel billet and application, and relates to the technical field of advanced manufacturing of metal materials. The powder high-speed steel billet is prepared through the high-frequency induction hot pressing sintering method, rapid manufacturing of the powder high-speed steel billet can be achieved, and the performance of the obtained product can reach the product level of traditional hot isostatic pressing sintering. And compared with a traditional hot isostatic pressing preparation method, the technological process is simple, the period is short, preparation of a sheath is avoided, the cost can be reduced, and the safety can be improved. The density of the prepared powder high-speed steel can reach 98.5%, the microhardness reaches 365 Hv, the tensile strength and the yield strength reach 723 MPa and 687 MPa correspondingly, short-process and low-cost preparation of the powder high-speed steel billet can be achieved, and the obtained powder high-speed steel billet can be used for manufacturing hardware knives and scissors, mechanical molds and the like.
Owner:GUANGDONG INST OF NEW MATERIALS

3D printing product personalized design method based on three-dimensional scanning human body model

The invention relates to the technical field of three-dimensional scanning, in particular to a 3D printing product personalized design method based on a three-dimensional scanning human body model. The method comprises the following steps: acquiring human body three-dimensional scanning data and human body composition data; performing movable joint analysis on the human body three-dimensional scanning data to generate human body movable joint data; performing distributed three-dimensional model modeling on the human body three-dimensional scanning data based on the human body movable joint data to generate a human body three-dimensional model; initial human body fitting product design is conducted on the human body three-dimensional model based on the 3D printing technology, and initial 3D printing product parameter data are obtained; according to the method, by combining the human joints, the body composition data and the user feedback, the fitness and the personalized design precision of the 3D printing product are optimized, and the precision and the flexibility of the personalized design of the 3D printing product are improved.
Owner:SHENZHEN XIANKU INTELLIGENT CO LTD

Electronic paper menu

An electronic paper menu comprises an electronic ink screen unit A, a control unit, a power supply unit and a communication unit. The electronic ink screen unit A is in electric signal connection with the control unit; the communication unit is in electric signal connection with the control unit; the power supply unit provides working power for the electronic paper menu; the external device sends menu information to the electronic paper menu through the communication unit, and the menu information is displayed on the electronic ink screen unit A. The electronic ink screen unit A, the electronic ink screen unit B and the electronic ink screen unit C form a three-angle barrel shape. The motor unit can drive the electronic paper menu to rotate. The communication unit comprises a USB communication interface or a Bluetooth communication module and can interact with external equipment. By means of the communication unit, the menu can be electronically updated, more environment-friendly and convenient effects are achieved, and the menu can be displayed without electrification.
Owner:JIANGXI XINGTAI TECH INC

Bridge and channel combined construction structure

The utility model provides a bridge and channel combined construction structure, which relates to the technical field of bridge engineering, and comprises a bridge, channel components and integrated wall type piers, the channel components are distributed along a first direction, and the channel components support the bridge through the integrated wall type piers; the bridge is arranged above the channel assembly in the second direction; the second direction is different from the first direction. The technical problems that in the prior art, the engineering scale is enlarged due to the fact that the lower portion of a bridge occupies the inner space of a channel, and materials are increased and structural safety is reduced due to the fact that the lower portion of the bridge is arranged on the top plate and the bottom plate of the channel are solved.
Owner:ZHEJIANG INST OF COMM CO LTD

Modular application method of reconfigurable rocket launching platform

PendingCN119665739AImprove versatilityImprove launch performanceRocket launchersRocket launchModularity
The invention relates to the technical field of rocket launching platform design and application, in particular to a modular application method of a reconfigurable rocket launching platform, and solves the technical problem that existing launching work generally needs to carry out new launching platform design and demonstration according to rocket requirements. According to the method, a main control unit, a supporting unit, a filling unit and a testing unit framework of a launching platform are formed according to different rocket launching requirements; a plurality of units with different functions are stored in the launching site according to the number of stations, the requirements of rocket launching on a launching platform can be received, and the units with the functions are dispatched according to the actual requirements of a rocket under the dispatching of the main control unit; the unit for supporting the final assembly goes to a final assembly workshop to support rocket final assembly work; under the condition that part of the units do not need to participate in final assembly work, the parts of the units can directly go to a transmitting station for standby preparation; after the rocket is subjected to final assembly, the rocket is transported to a launching station through the units participating in final assembly work in a cooperative mode, and after launching is completed, all the units are withdrawn.
Owner:NO 63921 UNIT OF PLA

Disassembling and assembling device for brake controller

The utility model relates to the field of tool equipment, and provides a brake controller disassembling and assembling device. The brake controller disassembling and assembling device comprises a support. The supporting frame is detachably installed on the support, and a clamping piece and a positioning piece are formed on the supporting frame; a first screw rod is arranged on the mounting plate in a penetrating mode, a mounting groove is further formed in the mounting plate, and the clamping piece is arranged in the mounting groove in a penetrating mode; the mounting seat is detachably mounted on the bracket, and a second screw rod is arranged on the mounting seat in a penetrating manner; in the dismounting state, the positioning piece is used for being inserted into a mounting hole of a gear shifting mechanism in the brake controller, so that the supporting frame drives the gear shifting mechanism to be separated from the cam under the action of the first screw rod; in the installation state, the second screw is suitable for pressing the cam so that the cam can be connected with the gear shifting mechanism. According to the brake controller disassembling and assembling device, a gear shifting mechanism and a cam in the brake controller can be disassembled and assembled more simply and quickly; the working efficiency of maintenance and replacement is greatly improved; and the method has relatively high universality.
Owner:CRRC QINGDAO SIFANG CO LTD

A prefabricated combined cavity floor and its construction technology

ActiveCN111188446Breduce thicknessincrease net heightFloors
The present invention discloses a prefabricated combined cavity floor slab, which relates to the technical field of assembled buildings. The device comprises at least one cavity floor slab and at least two supporting beams. The cavity floor slab comprises a panel, an intermediate plate, a bottom plate, a connecting piece and at least three edge sealing plates. The panel, the intermediate plate and the bottom plate are connected in sequence. The edge sealing plate is arranged on the outer side of the intermediate plate and encloses the panel, the intermediate plate and the bottom plate as a whole. Both the panel and the bottom plate are provided with bidirectional force reinforcement and prestressed reinforcement. The panel is also provided with at least three panel columns, and the bottom plate is provided with at least three bottom plate columns, wherein the panel columns and the bottom plate columns are connected one by one through connecting pieces. The present invention realizes full prefabrication, standardized production, simple structure, detachable, convenient transportation and construction, can speed up the construction progress and reduce the number of personnel in on-site construction, and saves energy and protects the environment, reduces pollution and significantly improves efficiency during production and construction.
Owner:HUBEI SYNTHETIC SPACE TECH CO LTD

Color management method and device for printed file and storage medium

PendingCN119620969Aavoid makingExpand the printing color sphereDigital output to print unitsGamutComputer graphics (images)
The invention provides a printing file color management method and device and a storage medium. The method comprises the following steps: acquiring a characteristic color of a to-be-printed file, and preparing characteristic ink according to the characteristic color; acquiring spot color information of the characteristic ink; making a multi-channel color separation printing ICC file according to the spot color information and a CMYK color standard; and printing file color separation according to the multichannel color separation printing ICC file. According to the method, spot color ink manufacturing can be carried out according to color features of product images, color separation of exclusive ICC is achieved, the printing color gamut is directionally expanded, and printed products have uniqueness and novelty.
Owner:RR DONNELLEY (GUANGDONG) PRINTING SOLUTIONS LTD

Automatic weighing and dust diffusion preventing device for tire carbon black

ActiveCN224740460UReasonable trajectorywon't hinder the fall
This utility model provides an automatic weighing device for preventing the diffusion of carbon black in tire production, belonging to the field of carbon black production technology. The device includes a storage cylinder, a weighing cylinder, a sealing cap, and a conveying pipe. The storage cylinder is shaped like an inverted frustum, with a rectangular outlet at its bottom. The weighing cylinder is positioned below the storage cylinder, with a rectangular inlet at its top corresponding to the outlet at the bottom. The weighing cylinder is cylindrical. The sealing cap is connected to the bottom of the storage cylinder via a hinge shaft, the axis of which is parallel to the long side of the rectangular outlet. The sealing cap is used to open or close the rectangular outlet at the bottom of the storage cylinder. One end of the conveying pipe is connected to the side wall of the weighing cylinder, and the conveying pipe is L-shaped. The other end of the conveying pipe extends downwards at an angle. This utility model solves the problem in the prior art where carbon black weighing during tire production causes carbon black dust to diffuse into the surrounding environment, resulting in additional production costs and safety hazards.
Owner:QING DAO LIAN YI LUN TAI ZHI ZAO YOU XIAN GONG SI

Articulated dumper and pipeline fixing device thereof

The invention discloses a hinged dumper and a pipeline fixing device thereof. The hinged dumper comprises an inner support, at least one pipe clamp assembly and at least one rubber sleeve hoop. The right side of the inner support is fixed to a right front column of a front frame, the left side of the inner support is connected with the supporting frame, and the supporting frame is used for supporting a cab and fixed to a left front column of the front frame. At least one pipe clamp assembly is installed on the inner support, pipe grooves of multiple specifications are formed in the pipe clamp assembly and used for fixing hydraulic pipes of different specifications, and all or part of the hydraulic pipes are bundled together through at least one fixing belt; and at least one rubber sleeve hoop is arranged on the inner bracket and is used for fastening a plurality of front vehicle wire harnesses together. The hinged type dumper pipeline fixing device is safe and reliable, can be used for supporting and fixing a hydraulic pipeline and can also be used for fixing a front dumper wiring harness, and an operator can conveniently maintain parts below a cab.
Owner:XUZHOU XCMG MINING MACHINERY CO LTD

Laser welding production line for thin-wall stainless steel pipe production

The invention relates to the technical field of thin-wall stainless steel pipe production, and particularly discloses a thin-wall stainless steel pipe production laser welding production line which comprises laser welding equipment and a bottom plate, the top of the bottom plate is connected with a moving plate through two first electric telescopic rods, and the laser welding equipment is installed in the moving plate; the two ends of the top of the bottom plate are each provided with two installation frames, two conveying rollers are installed between the two installation frames and the bottom plate, one end of the top of the bottom plate is provided with a detection mechanism used for detecting the surface of a stainless steel pipe body to be welded, and the other end of the bottom plate is provided with a polishing mechanism used for polishing the welding portion of the stainless steel pipe body. According to the stainless steel pipe welding equipment, before the stainless steel pipe body is welded, visual identification detection treatment can be conducted on the surface of the stainless steel pipe body to be welded in advance through the arranged detection equipment, and the problems that a production line continues to run, unqualified stainless steel pipe bodies are produced and prepared, and the production cost is increased are avoided.
Owner:SICHUAN MINHE PIPELINE CONSTR ENG CO LTD

Gallium nitride groove type MOSFET device and preparation method thereof

PendingCN121968641Aincrease widthImprove vertical pressure resistanceGate dielectricTrench mosfet
The invention discloses a gallium nitride groove type MOSFET device and a preparation method thereof, and belongs to the field of semiconductor devices. The device comprises a substrate, an epitaxial structure formed on a first surface of the substrate, a gate dielectric layer formed on the epitaxial structure, a source electrode, a gate electrode and a drain electrode, the epitaxial structure comprises an n-GaN drift layer, a C-doped high-resistance GaN layer and an n +-GaN layer which are sequentially formed on the first surface of the substrate, the C-doped high-resistance GaN layer is located between the n-GaN drift layer and the n +-GaN layer, and the n +-GaN layer is located between the gate dielectric layer and the n +-GaN layer. And a high-resistance current blocking layer. The preparation method comprises the following steps: sequentially growing an n-GaN drift layer, a C-doped high-resistance GaN layer and an n +-GaN layer on a first surface of a substrate to form an epitaxial structure; forming a gate dielectric layer on the epitaxial structure; and forming a grid electrode, a source electrode and a drain electrode. Compared with the prior art, the C-doped high-resistance GaN layer is adopted to replace the Mg-doped p-GaN layer, preparation and activation of the p-GaN layer in a traditional method are avoided, and the vertical voltage endurance capability and the leakage current suppression capability of the device are effectively improved.
Owner:SINO NITRIDE SEMICON

Preparation method of methyl p-cyanobenzoate

The invention relates to a preparation method of methyl p-cyanobenzoate. The preparation method is mainly characterized by comprising the following steps: dissolving p-cyanobenzoic acid, N-methyl-N-nitrosourea and inorganic base in a certain molar ratio in a mixed solvent, uniformly stirring, and reacting for several hours at a certain temperature; and after the reaction is completed, adding hydrochloric acid with a certain concentration to quench a reaction solution, extracting with an organic solvent, washing an organic phase with an alkali solution, concentrating, drying, and recrystallizing (or column chromatography) to obtain methyl p-cyanobenzoate. The method is easy to treat three wastes and is green and environment-friendly; the process is simple and the reaction temperature is low; the product purity is high, the yield is remarkably improved, and the method is suitable for expanded production.
Owner:NANJING COLLEGE OF CHEM TECH

An auxiliary workbench for a rock bolt drill

The utility model relates to the field of anchor rod drilling machine, specifically is a kind of anchor rod drilling machine auxiliary workbench, including workbench, the top of workbench is fixedly connected with fixed plate, the top of workbench is slidably connected with slide plate, the top of fixed plate is provided with limiting assembly, the side of slide plate is provided with clamping mechanism, the bottom of slide plate is provided with pusher assembly, limiting assembly includes mounting plate, the bottom of mounting plate is set on the top of fixed plate, the top of mounting plate is fixedly connected with connecting plate;The utility model is clamped to the component outside the anchor rod body by clamping mechanism, and is clamped and is limited to anchor rod body by limiting assembly, so that pusher assembly can smoothly drive slide plate and component to move together when using, and using the thread on component and anchor rod body and the reason that anchor rod body can rotate, component can be smoothly connected to the surface of rod body in turn.
Owner:山西霍尔辛赫煤业有限责任公司

A quick changeover processing device for automotive sub-instrument panel assembly

This invention belongs to the technical field of automotive sub-instrument panel assembly processing, specifically relating to a rapid changeover processing device for automotive sub-instrument panel assemblies. The device includes a laser welding apparatus and a rapid changeover fixture. The rapid changeover fixture comprises a fixture base, a mounting block, a threaded plate, and a screw. The mounting block is slidably connected to the upper part of the fixture base. The threaded plate is fixedly installed below the fixture base and has threaded holes on its surface. The screw is threaded into the threaded holes and has two limiting blocks at its upper end. A mounting cavity is slidably connected inside the mounting block, with the two limiting blocks located on the upper and lower sides of the mounting cavity, respectively. This device solves the problem that current processing of automotive sub-instrument panel assemblies requires multiple processing devices for multiple models, significantly increasing costs. Furthermore, the processing devices used cannot achieve rapid changeover, leading to reduced production efficiency and negatively impacting the assembly's production quality.
Owner:AIZHUO INTELLIGENT TECH (CHANGZHOU) CO LTD

A method for preparing pyroxasulfone

The application discloses a preparation method of metrafenone, which comprises the following steps: (1) reacting 5,5-dimethyl-4,5-dihydroisoxazole-3-sulfonyl chloride under the action of a sulfite to obtain 5,5-dimethyl-4,5-dihydroisoxazole-3-sulfinate; (2) reacting the 5,5-dimethyl-4,5-dihydroisoxazole-3-sulfinate with a pyrazole intermediate 3 to obtain the metrafenone; wherein, a general structure of the pyrazole intermediate 3 is as follows: Y is halogen, or the application provides a new route for synthesizing metrafenone, avoids using hydrogen peroxide, meta-chloro peroxide benzoic acid, ozone and other oxidants to prepare the metrafenone in a traditional route, greatly reduces the production risk, improves process safety, and is suitable for large-scale industrial production.
Owner:JIANGSU SEVENCONTINENT GREEN TECH RES INST CO LTD +1

A method and system for monitoring automatic alignment printing effect of a digital printer

The present invention discloses a method and system for monitoring the automatic alignment printing effect of a digital printer, and relates to the technical field of digital printers. The system comprises an image acquisition subsystem, a visual AI recognition subsystem and a printing monitoring subsystem; wherein the image acquisition subsystem has a built-in image acquisition module for acquiring the target workpiece image on the printer table; the technical key points are as follows: by configuring the visual AI recognition subsystem, automatic alignment printing of the workpiece is realized, which saves the time of workers in arranging materials and drawing, reduces production costs, improves production efficiency, and enhances the quality of product printing, and is particularly suitable for the printing of small and special-shaped products, thereby improving the intelligence of the digital printer; finally, through the comprehensive optimization of the printing monitoring subsystem, not only the printing quality and efficiency are improved, but also the production cost and maintenance cost are reduced, providing strong technical support for the wide application of printing technology.
Owner:HANGZHOU LISHI TECH CO LTD +1

Organic light-emitting display device and manufacturing method

An organic light-emitting display device and a method of manufacturing the same are disclosed. The organic light-emitting display device includes a light-shielding layer, a transparent first touch electrode spaced apart from the light-shielding layer on a surface of the substrate on which the light-shielding layer is disposed, a buffer layer, and an active layer disposed on the buffer layer and including a channel portion and a transparent second touch electrode. A touch device formed by the transparent first touch electrode and the second touch electrode will not affect light transmittance of a display device.
Owner:TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

Cyclone separation device, dust collecting device, and cleaning apparatus

This disclosure provides a cyclone separator, a dust collection device, and a cleaning equipment, belonging to the field of cleaning equipment. The cyclone separator includes: multiple cyclone separation layers arranged in layers along the axial direction of the cyclone separator, each cyclone separation layer including multiple cyclone cones; a guide layer corresponding to each cyclone separation layer, the multiple guide layers being spaced apart along the axial direction of the cyclone separator; each guide layer including multiple guide caps, the multiple guide caps in the same guide layer forming an integrally assembled structure, each guide cap corresponding one-to-one with each cyclone cone in the corresponding cyclone separation layer. The cyclone separator, dust collection device, and cleaning equipment provided by this disclosure can improve the assembly efficiency, structural consistency, and operational reliability of cyclone separators.
Owner:ZHUIMIFENGXING TECHNOLOGY (SUZHOU) CO LTD

A method for preparing powder high-speed steel billets, powder high-speed steel billets and their applications

This invention discloses a method for preparing powdered high-speed steel billets, the powdered high-speed steel billets themselves, and their applications, relating to the field of advanced manufacturing technology for metallic materials. This invention employs a high-frequency induction hot pressing sintering method to prepare powdered high-speed steel billets, enabling rapid manufacturing of these billets and achieving product performance comparable to that obtained through traditional hot isostatic pressing (HIP). Compared to traditional HIP methods, this process is simpler, has a shorter cycle time, and avoids the need for encapsulation, thus reducing costs and improving safety. The powdered high-speed steel prepared by this invention achieves a density of 98.5%, a microhardness of 365 Hv, and tensile strength and yield strength of 723 MPa and 687 MPa, respectively. This allows for short-process, low-cost preparation of powdered high-speed steel billets, which can be used to manufacture hardware cutters, mechanical molds, etc.
Owner:GUANGDONG INST OF NEW MATERIALS

Synthesis method of substituted 2-nitrobiphenyl

The invention relates to a synthetic method of substituted 2-nitrobiphenyl, and belongs to the technical field of organic synthesis.The method comprises the steps that under nitrogen protection, magnesium chips and substituted bromobenzene serve as raw materials to prepare a Grignard reagent; then, in the presence of a catalyst, carrying out coupling reaction on the Grignard reagent and o-nitrobenzene sulfonate; after the reaction is finished, post-treatment is performed to obtain substituted 2-nitrobiphenyl, and the substituted bromobenzene is parachlorobromobenzene or 3, 4, 5-trifluorobromobenzene. According to the method, substituted bromobenzene and o-nitrobenzene sulfonate are directly used as raw materials, the problems of multi-step operation and low yield of phenylboronic acid preparation in a traditional route are solved, meanwhile, precious metal is replaced with the cheap copper catalyst, the raw material cost and environmental protection pressure are remarkably reduced, and the method is short in reaction route, easy to operate, high in yield and suitable for industrial production. The method is suitable for industrial large-scale production.
Owner:LIAONING ZHONGHUI BIOTECHNOLOGY CO LTD

Hybrid dual-network hydrogel for 3D printing as well as preparation method and application of hybrid dual-network hydrogel

The invention discloses 3D printing hybrid dual-network hydrogel as well as a preparation method and application thereof. The preparation method comprises the following steps: carrying out dual-crosslinking reaction on a hydrogel precursor solution with high water content under ultraviolet irradiation to obtain the hybrid dual-network hydrogel, the precursor solution consists of an acrylamide monomer, acrylic acid, a cross-linking agent, a photoinitiator, chitosan and an inorganic zirconium compound; particularly, the precursor solution is combined with a 3D printing technology to carry out a photocuring cross-linking reaction, and the 3D printing hybrid dual-network hydrogel is prepared by a one-step method; the technical scheme provided by the invention has the characteristics of simple method and universality, and the prepared hybrid dual-network hydrogel has good mechanical properties, high transparency and high conductivity, can be subjected to rapid 3D printing, can be applied to the fields of sensors and actuators, and has wide application prospects. And a foundation is laid for efficient manufacturing of customized flexible electronic devices and intelligent flexible robots.
Owner:SOUTHEAST UNIV

Virtual impact experiment method for paint coating of suspension launching device

The invention relates to a suspension launching device coating experiment technology, in particular to a suspension launching device paint coating virtual impact experiment method. The measurement range of the experiment table is narrow, the error of the test result is large, and the manufacturing period of the paint coating is long. According to the method, a transient dynamics theory and finite element simulation are adopted to obtain a relationship between the pit depth x and the initial velocity V of the punch, and fitting is carried out to obtain an equation between the pit depth x and the initial velocity V of the punch; building a suspended launching device paint coating impact experiment physical platform to obtain the pit depth x of the paint coating when the drop hammer falls from different heights H, and fitting to obtain an equation of the pit depth x relative to the drop hammer height H; according to an analytic expression of the punch initial velocity v relative to the drop hammer height H, calculating punch initial velocities under different height conditions to obtain pit depths and residual stresses under different height conditions; and evaluating the strength of the paint film according to the criterion. The confidence coefficient of the impact strength of the paint coating of the suspension launching device is improved, the experimental period is shortened, and the experimental efficiency is improved.
Owner:ZHENGZHOU AIRCRAFT EQUIP

A new type of group combination electrode machining method for high-efficiency electrical discharge machining of closed integral impellers

The present invention belongs to the technical field of electrospark forming processing equipment. In order to solve the technical problems of low processing efficiency and high electrode loss in five-axis linkage electrospark forming processing of complex three-dimensional curved surface parts, the present invention provides a new group of combined electrodes for high-efficiency discharge processing of closed integral impellers, and proposes to separate roughing and fine processing, and adopt different methods to make rough processing have higher processing efficiency; taking a closed integral impeller with 5 flow channels as an example, the present invention proposes to segment and optimize the complex electrodes while overcoming motion interference, and change the decomposed electrodes for rough processing into a combined tube electrode group. On this basis, the present invention provides a clamp device used for a new group of combined electrodes for high-efficiency discharge processing of closed integral impellers according to the characteristics of the combined tube electrode group. The electrode mounting seat is designed with electrode tube mounting guide array holes evenly distributed, wherein the installation of the electrode tube adopts a discrete array arrangement to achieve curved surface profiling.
Owner:ZHUHAI HERUI NEW TECH CO LTD

Device for detecting neglected loading of sleeve injection molding

The utility model discloses a sleeve die injection neglected loading detection device which comprises an upper die and a lower die, the top end of the lower die is provided with a groove, the inside of the groove is fixedly connected with an injection molding plate, the inside of the injection molding plate is provided with a sliding groove, the inside of the sliding groove is slidably connected with a sliding block, the outer end of the sliding block is provided with an assembly hole, and the outer end of the assembly hole is fixedly connected with the injection molding plate. And an upper clamping plate and a lower clamping plate are clamped in the assembling hole. The utility model relates to the technical field of hardware injection molding devices. According to the sleeve die injection neglected loading detection device, when the upper die and the lower die are closed, the detection probe in the sliding block detects injection hardware in the injection die, whether neglected loading or poor hardware occurs in the injection process or not is detected in time, production quality is improved, meanwhile, waste of injection molding materials and the injection hardware is avoided, cost is reduced, and production efficiency is improved. And meanwhile, the injection molding process of the hardware is detected, the risk of false PIN and short PIN caused by manual operation can be avoided, and manufacturing of bad products is prevented from the source.
Owner:GUANGDONG HOUWEI ELECTRONIC CO LTD

LED display screen, preparation method thereof and display equipment

The invention discloses an LED display screen, and belongs to the technical field of display. The display screen comprises a substrate and at least one LED pixel module arranged on the substrate, each LED pixel module comprises an LED driving chip and an LED lamp bead which are electrically connected, and the LED driving chip and the LED lamp bead are packaged into a whole. The invention further discloses a method for preparing the LED display screen and display equipment with the LED display screen. The LED lamp beads and the LED driving chips are packaged into a whole to form the LED pixel module, the LED pixel module can be attached to base materials of various forms, and the application range is widened.
Owner:YUANSHI SEMICON (SUZHOU) CO LTD

Power track and power track socket

The utility model provides a power track and a power track socket, and relates to the technical field of electrical connection devices. The power rail comprises a shell, a fixed connecting piece, a clamping piece and a first connecting piece. The fixed connecting piece is fixedly connected to one side of the shell and comprises a clamping part and a fixing part which are arranged at an interval; the clamping piece is used for being fixedly connected to the panel structure and connected with the clamping part in a clamped mode. The first connecting piece penetrates through the fixing part and is connected to the panel structure. Wherein the electric power track is connected to the panel structure through the cooperation of the clamping part and the clamping piece, or the electric power track is connected to the panel structure through the cooperation of the fixing part and the first connecting piece. According to the electric power track provided by the invention, the connection mode of the electric power track and the panel structure is expanded, the assembly flexibility of the electric power track socket can be improved, and an operator can select the corresponding connection mode of the electric power track and the panel structure according to user requirements.
Owner:ZHEJIANG DELIXI INT ELECTRICAL

Goose fat liver quality control method and device based on laser speckle elastography

The invention provides a goose fat liver quality control method and device based on laser speckle elastography, and relates to the technical field of goose fat liver quality control analysis. Exciting the goose fat liver to be detected, capturing the surface wave of the goose fat liver through the laser speckle imaging system, and calculating to obtain the propagation speed of the surface wave; calculating an elastic parameter of the goose fat liver based on the propagation speed of the surface wave; and based on the elastic parameters, carrying out texture grading on the to-be-detected goose fat liver. According to the method provided by the invention, the goose fat liver is detected by laser speckle imaging, so that the detection cost is saved, the method is isolated from the production environment, and the possibility of food pollution is greatly reduced; in addition, images are collected through a laser, a camera and other devices, the goose fat liver is directly detected, meanwhile, real-time detection is conducted through an assembly line, and the reliability of goose fat liver texture grading is improved.
Owner:HUBEI UNIV OF SCI & TECH

Digital manufacturing method of novel film pressing jaw position appliance

The invention provides a digital manufacturing method of a novel pressed film jaw position appliance, which comprises the following four steps of: 1) acquiring oral cavity information of a patient, including soft and hard tissue information, dentition information and a jaw position relationship of the patient; 2) creating a corresponding digital three-dimensional model of the dentition of the patient according to the oral cavity information of the patient; performing digital tooth separation and tooth arrangement through professional design software to obtain a target dentition three-dimensional model required by a patient; 3) adjusting the jaw position relation of the dentition model according to diagnosis and treatment requirements, and exporting and manufacturing a required target model after confirmation; 4, on the basis of the target dentition model with the adjusted jaw position relation, the required jaw position appliance is designed and manufactured according to the treatment target, the process is greatly simplified, and multiple steps which possibly generate errors in the traditional manufacturing process are omitted.
Owner:ZHEJIANG HUAQI HAER MEDICAL TECH CO LTD