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99results about How to "Guaranteed cost" patented technology

Gold-silver alloy bump structure, preparation method and semiconductor device

The embodiment of the invention provides a gold-silver alloy bump structure, a preparation method and a semiconductor device, and the preparation method comprises the steps: providing a semiconductor device, and forming a seed layer on the surface of the semiconductor device; a first gold-silver alloy bump is formed on the seed layer through an electroplating technology, the gold content in the formed first gold-silver alloy bump is larger than 45%, and the thickness of the first gold-silver alloy bump ranges from 0.2 micrometer to 5 micrometers; and electroplating the first gold-silver alloy bump by using the same electroplating liquid to form a second gold-silver alloy bump, wherein the gold content in the formed second gold-silver alloy bump is less than 30%, and the thickness range of the second gold-silver alloy bump is 3-20 [mu] m. The first gold-silver alloy bump with high gold content improves the binding force between the bottom of the gold-silver alloy bump structure and the seed layer of the semiconductor device, and improves the reliability of the semiconductor device. The second gold-silver alloy bump with low gold content can avoid pure gold bumps on the surface of the gold-silver alloy bump structure, the hardness and morphology of the gold-silver alloy bump structure are controlled, and subsequent packaging is ensured.
Owner:XIAMEN TONGFU MICROELECTRONICS CO LTD

Hot-rolled weather-resistant steel plate for 355MPa-grade photovoltaic bracket and preparation method of hot-rolled weather-resistant steel plate

The invention discloses a hot-rolled weather-resistant steel plate for a 355MPa-level photovoltaic support and a preparation method of the hot-rolled weather-resistant steel plate, and belongs to the technical field of steelmaking. In order to improve the corrosion resistance of the steel plate, the invention provides a hot-rolled weather-resistant steel plate for a 355MPa-grade photovoltaic bracket and a preparation method, and the steel plate comprises the following components: 0.06 to 0.09 percent of C, 0.35 to 0.45 percent of Si, 0.45 to 0.55 percent of Mn, 0.070 to 0.080 percent of P, less than or equal to 0.008 percent of S, 1.10 to 1.20 percent of Cr, 0.25 to 0.35 percent of Cu and 0.020 to 0.060 percent of Als. The method comprises the following steps: smelting the components into a plate blank, and then sequentially heating, roughly rolling, finely rolling, laminar cooling and coiling to obtain the steel plate. The components of the steel plate are optimized, meanwhile, heating, rolling and other processes are improved, the obtained steel plate has excellent mechanical properties, the corrosion resistance is remarkably improved, and the production cost is remarkably reduced.
Owner:PANZHIHUA IRON & STEEL RES INST OF PANGANG GROUP

Visual inspection information acquisition device and method based on pitch angle calibration image

The invention discloses a visual inspection information acquisition device and method based on a pitch angle calibration image, and belongs to the technical field of machine visual inspection, the device comprises an industrial camera with a zoom lens, a holder device, a fixing device, an inclination angle sensor, a signal acquisition synchronizer and an image automatic calibration module; wherein the industrial camera is used for capturing an image of a surface area of a measured structure; the inclination angle sensor is used for determining a pitch angle formed between the camera lens axis and the surface normal of the measured structure; the signal acquisition synchronizer is used for ensuring data acquisition consistency between the industrial camera and the inclination angle sensor; and the image automatic calibration module is used for correcting distortion of the image captured by the camera due to the pitch angle to obtain a corrected image. By adopting the technical scheme of the invention, the accuracy of the image data can be ensured, so that the health detection and monitoring efficiency and precision of the engineering structure can be improved.
Owner:UNIV OF SCI & TECH BEIJING

Rapid plugging device and plugging method used after collapse extraction

The invention discloses a rapid plugging device used after collapse lifting and a plugging method. The rapid plugging device comprises a plurality of frames which are connected with one another. Each single face of each single frame comprises an upper chord, a lower chord, vertical rods and inclined rods, the vertical rods connect the two ends of the upper chord and the two ends of the lower chord to form a frame-shaped structure, the inclined rods are obliquely connected into the frame-shaped structure, the four single faces serve as side faces and are perpendicularly welded to one another to form a cube structure, and iron gauzes are welded to the peripheries of the four side faces. The end parts of the upper and lower chord members are welded with female and male joints for transverse connection, and the top and bottom parts of the upper and lower chord members are provided with screw holes for vertical connection. According to the method, the water flow speed of the breach can be effectively reduced, and good construction conditions are provided for follow-up blocking and reinforcing of the burst embankment.
Owner:CCCC SECOND HARBOR ENGINEERING CO LTD

Vehicle control method and device, electronic equipment and vehicle

The invention provides a vehicle control method and device, electronic equipment and a vehicle, and the method comprises the steps: recognizing a road edge and / or an opposite coming vehicle through deploying a foresight all-in-one machine in the vehicle; the method comprises the following steps: deploying a millimeter wave radar in a vehicle to obtain a first transverse distance and a first estimated collision time between the vehicle and a road edge, and / or a second transverse distance and a second estimated collision time between the vehicle and an opposite vehicle; acquiring a vehicle risk assessment level according to the first lateral distance and the first estimated collision time, and / or the second lateral distance and the second estimated collision time, acquiring a running state of an emergency lane keeping system in the vehicle according to the risk assessment level, and if the running state is an activated state, sending an early warning prompt according to the risk assessment level, or the vehicle is controlled by the electronic power-assisted steering system to move towards the edge of the road and / or in the transverse opposite direction of the coming vehicle. According to the application, the cost is reduced and the deployability is improved by deploying lightweight equipment.
Owner:CHONGQING SELIS PHOENIX INTELLIGENT INNOVATION TECH CO LTD

Inert zinc powder atomization preparation device for continuous production

The invention relates to the technical field of zinc powder manufacturing equipment, and particularly discloses a continuous production inert zinc powder atomization preparation device which comprises an atomization furnace, the bottom of the atomization furnace fixedly communicates with communicating pipes, and the two communicating pipes are connected with a large grading system and a small grading system correspondingly. Wherein one ends, far away from the atomizing furnace, of the large grading system and the small grading system are fixedly communicated with a balance tank. Molten zinc can be preliminarily refined when passing through the flow guide holes under the action of pressure intensity, finally enters the polymerization groove in the polymerization base and is differentiated again through the flow diffusion holes communicated with the polymerization groove, the molten zinc can be differentiated into trickles in a multi-stage mode through the multi-stage differentiation mechanism, the trickles can be more evenly distributed in the atomization chamber, and therefore the atomization effect is improved. By means of the technical scheme, the contact area between atomized gas and the liquid zinc is larger and more uniform, the situation that local liquid zinc is too much or too little is avoided, it is ensured that each part of liquid zinc can be fully and stably atomized, zinc powder with more uniform particle size is produced, and the product quality is improved.
Owner:INNER MONGOLIA XUYANG NEW MATERIALS CO LTD

In-transit supervision method and system for large piece transportation on highway

The invention relates to the technical field of logistics management, in particular to an in-transit supervision method for large-size transportation on an expressway. The method comprises the following steps: acquiring transportation speed data and transportation vibration data; carrying out transportation speed feature extraction on the transportation speed data to obtain transportation speed feature data, and carrying out transportation vibration feature extraction on the transportation vibration data to obtain transportation vibration feature data; performing feature map construction on the transportation speed feature data and the transportation vibration feature data to obtain transportation speed vibration feature map data; abrupt change feature collection and change degree extraction are carried out according to the transportation speed vibration feature map data, and transportation abrupt change feature data and transportation change degree data are obtained so as to carry out large piece transportation anomaly detection operation. According to the invention, the safety and the management level of the large-piece transportation process are effectively improved.
Owner:HUNAN COMM RES INST CO LTD

Multi-sensor fusion positioning method and device for multi-layer roadway scene, electronic equipment and storage medium

The invention relates to a multi-sensor fusion positioning method for a multi-layer roadway scene. The method comprises the following steps: acquiring attitude data of an inertial measurement unit, point cloud data of a laser radar and UWB (Ultra Wideband) beacon data in different time periods; importing the point cloud data and the attitude data into an SLAM algorithm to generate a plurality of first global maps in different time periods; combining the plurality of first global maps to generate a second global map; splitting the second global map to generate a plurality of topological sub-maps; and obtaining vehicle positioning according to the UWB beacon data. The invention further discloses a device, electronic equipment and a storage medium suitable for the method. By using the multi-sensor fusion positioning method and device for the multi-layer roadway scene, the electronic equipment and the storage medium provided by the invention, the problems that the labor cost of field surveying and mapping and instrument measurement is relatively high, and the method is not suitable for large-scale underground scenes are solved; and the laser radar cannot be started at any position.
Owner:NANJING BESTWAY AUTOMATION SYST

Temperature control system for growing precious metal filaments by micro-down-draw method

The invention relates to the technical field of precious metal filament manufacturing, in particular to a temperature control system for growing precious metal filaments through a micro down-draw method, which comprises a crucible and a quartz tube, an induction coil is wound outside the quartz tube, a first temperature thermocouple is arranged in the crucible, and a second temperature thermocouple is arranged at the bottom of the inner side of the crucible. A magnetizer is arranged on the outer side of the induction coil, a cooling assembly is fixedly connected to the bottom of the second flange plate, a crystallizer is arranged in the center of the bottom of the crucible, and a seed crystal guide rod is arranged in the crucible; and the control module is used for adjusting initial parameters required by precious metal wire manufacturing, adjusting the output power of the induction coil and controlling the running speed of the collecting assembly. According to the invention, controllable solidification of fluid can be realized, the position of a solidification interface is stabilized, precious metal wires can directly grow from the melt, the structure-performance is accurately controlled, and finally, short-process and low-cost manufacturing is realized.
Owner:SICHUAN UNIV

Case and electronic equipment

The invention discloses a case and electronic equipment, and is applied to the field of electronic equipment transportation. The case comprises case lugs and a case body which are detachable; the computer case further comprises a quick release mechanism, the quick release mechanism is installed on one of the case lugs and the case body, and a clamping part is arranged on the other one of the case lugs and the case body. Conduction parts are arranged on the case lugs, case transmission connecting pieces are arranged on the case body, and the case transmission connecting pieces are matched with the conduction parts; and after the case lugs and the case body are assembled, the quick release mechanism is clamped with the clamping part in a matched manner, and the case transmission connecting piece is connected with the conduction part. According to the case provided by the invention, when the case is packaged, transported and experimented at ordinary times, the case lug and the quick-release mechanism can be integrally detached, the case lug serves as an accessory to be placed in the accessory box, and an avoiding space for the case lug in a packaging material is canceled, so that the strength of the packaging material can be greatly improved, and the transportation reliability level of the case is greatly improved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

Glass with high refractive index, preparation method and application

PendingCN119430648AReduce high temperature viscosityreduce transmittancePhysical chemistryOptical transmittance
The invention relates to the technical field of optical glass manufacturing, in particular to high-refractive-index glass as well as a preparation method and application thereof. The transition metal is less than 4 ppm by mass, and the transition metal comprises one or more of Fe, Cr, Ni, Cu, Mn, Co and V; the oxide is prepared from the following components in mole percent based on the oxide: 17 mol% to 49 mol% of Bi2O3, 2.7 mol% to 15.7 mol% of Nb2O5, 8.5 mol% to 39 mol% of TeO2, 2 mol% to 19.5 mol% of P2O5, 11.3 mol% to 41 mol% of B2O3, 0 mol% to 1 mol% of TiO2, 0 mol% to 1 mol% of Ta2O5, 0 mol% to 1 mol% of WO3 and 0.5 mol% to 16.5 mol% of ZnO, and Bi2O3 / (TeO2 + TiO2 + WO3 + Nb2O5 + Bi2O3) * 100 is more than or equal to 30 and less than or equal to 75. Tests show that when the thickness of the glass is 10 mm, the refractive index of the glass is 2.09-2.35, and the transmittance of the glass with the wavelength lambda 70 smaller than 450 nm is 82.4%-96.8%. The problems that in the prior art, high-refractive-index glass is low in refractive index and light transmittance and low in performance and cost ratio, and the increasingly-developed visual experience and development requirements of head-mounted displays cannot be met are solved.
Owner:CAIHONG GRP SHAOYANG SPECIAL GLASS CO LTD +1

Method for changing data frame length, electronic device, and storage medium

The application discloses a method for changing data frame length, an electronic device and a storage medium, and belongs to the technical field of communication. The method comprises the following steps: when it is determined that the length of a data frame is changed from a first length to a second length, a controller sends a first command to a receiving end, the first command is used for instructing the receiving end to determine the length of the received data frame according to a frame length overhead in the data frame, the frame length overhead is included in the data frame and is used for instructing the length of the data frame; when it is determined that the receiving end successfully executes the first command, the controller sends a second command to a sending end, the second command carries a numerical value used for instructing the second length, and the second command is used for instructing the length of the data frame sent by the sending end to be changed to the second length; and when it is determined that the sending end successfully executes the second command, the controller sends a third command to the receiving end, the third command carries the numerical value of the second length and is used for instructing the receiving end to determine the length of the received data frame according to the second length.
Owner:ZTE CORP

Automatic power-assisted balancing electric pumping unit

ActiveCN108798601Bensure safetySimple structure, practical and durableConstructionsFluid removalGear wheelLarge tooth
The automatic power-assisted balancing electric pumping unit is composed of a frame, a bracket, a walking beam, a donkey head, an automatic booster, an automatic balancer, a large open gear and a protective cover, a reducer, a connecting rod, a stroke adjustment structure, an emergency brake, a balancing device, a guide rail, a well repair clearance device, a safety bolt, a brake device, a motor, an electronic controller, and a photovoltaic power generation device. The automatic booster and the automatic balancer are arranged on the walking beam frame, the large open gear and the protective cover, the reducer, and the brake device are arranged on the bracket, the well repair clearance device is arranged on the walking beam donkey head, the connecting rod connects the walking beam and the large open gear width, the emergency brake is installed on the balancing device and matches the guide rail, and the safety bolt is arranged on the guide rail. The electronic controller drives the motor to drive the reducer, the connecting rod, and the walking beam to reciprocate up and down, and drives the automatic booster to pull the booster block to reciprocate. The stroke adjustment and balance are controlled by the electronic controller according to the electrical parameter word. This pumping unit can greatly save electricity, reduce construction cost and maintenance cost, and is more convenient, safe and reliable to use.
Owner:BEIJING JUNWEI TECH CO LTD

Tube-type electric precipitator

The utility model discloses a tubular electric tar precipitator relates to industrial waste gas treatment equipment technical field, it includes casing, inlet pipe, sedimentation pipe subassembly, corona pole, sedimentation pipe subassembly contains a plurality of sedimentation pipes, still includes upper head, lower head, airflow equalizer, tar collection tank, drain pipe, heating jacket and sealing door, and the gas that waits for processing enters casing through inlet pipe, is evenly distributed to each sedimentation pipe by airflow equalizer, under the electric field effect that corona pole generates, and tar is adsorbed in the inner wall of sedimentation pipe, and then is collected to tar collection tank, and heating jacket prevents tar solidification, and is discharged through drain pipe, the utility model discloses has improved tar trapping efficiency and equipment stability, and the practicality is strong, is suitable for industry popularization.
Owner:JIANGSU QINGFENG ENG GRP CO LTD

A design method for rigid pile composite foundation structure in a region with deep melting interlayer

PendingCN122113209Aunderstanding physicsUnderstand mechanicsGeometric CADDesign optimisation/simulationFreeze thawingGround temperature
The application discloses a kind of deep melting interlayer development area rigid pile composite foundation structure design method, it is related to rigid pile composite foundation field, including the following steps: step one, in the existing rigid pile bearing capacity calculation process, front-end increase subgrade-ground temperature field analysis;Step two, increase groundwater analysis;Step three, determine the compression modulus of the soil layer of seasonal freeze-thaw layer, (water-rich) melting interlayer, permafrost layer, bearing capacity characteristic value, check the single pile bearing capacity characteristic value of different positions in the cross section of roadbed using different pile length, pile diameter, pile body stiffness material;Step four, carry out zoned unequal design, adjust pile length, pile diameter, pile body stiffness, so that the range of all pile single pile bearing capacity characteristic values in cross section is lower than design allowable value.The application effectively optimizes pile foundation design, reduces material waste, reduces engineering cost, while ensuring the safety and stability of structure.
Owner:RES INST OF HIGHWAY MINIST OF TRANSPORT

Quartz tube end face automatic grouping detection device

The invention relates to the technical field of optical end face detection, and discloses an automatic grouping detection device for the end faces of a quartz tube, comprising an operating cabinet, a guide rail is installed on the top of the operating cabinet, a placing table is installed on the top of the guide rail, a detection module is installed on the outer surface of the guide rail, and a dynamic stop detection component for reducing the depth of field effect during the detection process is arranged inside the operating cabinet, the dynamic stop detection component comprises an L-shaped power seat and a power rod for pulling the detection module by rotating itself, thereby reducing the influence of the depth of field effect on the detection accuracy, and the invention introduces a rotation mechanism of the power rod to drive the L-shaped power seat to rotate synchronously, thereby pulling the detection module to move along a specific trajectory, so that the detection module realizes a movement mode of first moving away and then approaching, and then by changing the distance between the detection module and the end face of the quartz tube, the depth of field effect is effectively improved, and in the process of moving away from the quartz tube, the detection module can capture a wider field of view.
Owner:HANGZHOU HONGXIN MICRO SEMICON CO LTD

Bottle cap with zinc alloy plastic secondary anti-counterfeiting function

The invention relates to the technical field of anti-counterfeiting bottle caps, and discloses a secondary anti-counterfeiting bottle cap with zinc alloy plastics, a lower sleeve is mounted at a bottle opening, an inner sleeve is positioned in the lower sleeve, and a mounting end is arranged at the lower end of the inner sleeve and is fixed on the lower sleeve. The bottom of the inner sleeve is provided with a conical end which extends into the inner sleeve, and the conical end contains a glass bead. The top of the inner sleeve is provided with a threaded part which is connected with a middle cover in a threaded mode, and the middle cover is embedded in the inner cover to be matched with the top of the inner plug. An upper cover decoration ring is arranged above the middle cover, a zinc alloy upper cover is arranged on the upper cover decoration ring, a zinc alloy middle cover is arranged above the zinc alloy upper cover, and a zinc alloy top piece is installed on the top of the zinc alloy middle cover. By combining the material characteristics of the zinc alloy and the plastic, the bottle cap not only has the texture and strength of metal, but also keeps the advantages of portability and low cost of the plastic. Due to the application of the secondary anti-counterfeiting technology, the precise matching of the inner sleeve and the inner plug, the use of the glass beads and the special design of the zinc alloy top piece, the anti-counterfeiting performance of the bottle cap is greatly improved, and counterfeiting becomes more difficult.
Owner:GUIZHOU BAISHIJIA PACKAGING CO LTD

Static small-angle large-torque force application mechanism

The utility model discloses a static small-angle large-torque force application mechanism. A force application shaft sleeve is rotatably mounted on a support frame through a bearing; one end of the swing arm is coaxially and fixedly connected with the force application shaft sleeve; one end of the push-pull mechanism is connected with the other end of the swing arm and can push the other end of the swing arm to swing around the axis of the force application shaft sleeve; the push-pull mechanism comprises a worm and gear transmission mechanism, a push-pull screw rod, a U-shaped hinge joint and a pin shaft; the worm and gear transmission mechanism is in transmission connection with the push-pull screw rod and can drive the push-pull screw rod to linearly move; one end of the push-pull lead screw is fixedly connected to a U-shaped hinge joint, and the U-shaped hinge joint is hinged to the other end of the swing arm through a pin shaft; the axis of the pin shaft perpendicularly intersects with the axis of the push-pull lead screw. The utility model has the advantages of simple structure and low cost, can ensure the safety and stability of a force application mechanism, ensures the stable output of large torque, and can effectively reduce the cost and weight of a large torque measuring device when being applied to the large torque measuring device.
Owner:INNER MONGOLIA INST OF METROLOGY TESTING & RES

Speed-controllable and micro-orientable multi-scene application universal wheel and transportation device

The invention discloses a speed-controllable and micro-orientable multi-scene application universal wheel and a transportation device.The speed-controllable and micro-orientable multi-scene application universal wheel comprises a fixing plate, bearings, a side plate, a roller and a generator, the fixing plate is detachably connected with the side plate, the bearings are installed on the fixing plate and the side plate, the roller is connected with the two bearings through a roller rotating shaft, and the generator is installed on the side plate. One end of the roller rotating shaft is coaxially connected with a generator, a steering bearing is arranged at the top of the fixing plate and arranged in a top bearing sleeve, a limiting structure is further arranged in the top bearing sleeve, and the electric energy output end of the generator is connected with the electric energy input end of the limiting structure; a reducing mechanism is arranged outside the roller rotating shaft; the system can cope with different use scenes, can rapidly adjust parameters, can cope with the use of each scene, is small in size, and greatly improves the convenience degree and safety of the use process under the condition of guaranteeing the cost and space occupation. The structure is simple, multiple mechanical structures are adopted, cost is low, maintenance and replacement are easy, combination is convenient, disassembly is easy, and the whole device does not need to be replaced when a certain part is damaged. And the selection freedom degree of each part is high.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Micro-assembly device and system

The invention provides a micro-assembly device and system, and relates to the field of electronic devices. The micro-assembly device comprises a control module, a monitoring module and a micro-assembly assembly, the micro-assembly assembly comprises a target platform and at least one grabbing platform, and the control module is connected with the control ends of the target platform and the grabbing platform; the monitoring module at least comprises a target monitoring unit, and the target monitoring unit is parallel to the normal vector of the plane where the target platform is located. The target monitoring unit is used for monitoring the position of a to-be-assembled sample on the target platform to obtain monitoring data; the control module is used for adjusting the position of the target platform and / or the grabbing platform according to the monitoring data, so that the main body part and the base part of the to-be-assembled sample are located on the same horizontal plane; the target platform and the grabbing platform each comprise a plurality of displacement assemblies corresponding to different moving directions. Therefore, on the basis of ensuring the cost, the assembling flexibility can be improved, the operation complexity can be reduced, and meanwhile, the assembling precision can be improved.
Owner:GUANGDONG INST OF SEMICON IND TECH

Telescopic oil cylinder assembly device

The utility model relates to the technical field of hoisting equipment, and discloses a telescopic oil cylinder assembly device. The assembly device comprises a cylinder barrel body, a guide sleeve, a piston rod body and a stroke sensor. A guide sleeve can be arranged at the front end of the cylinder barrel body, the piston rod body can be connected with the cylinder barrel body through the guide sleeve, a stroke measuring block can be arranged at the end, away from the cylinder barrel body, of the piston rod body, and the stroke sensor can be arranged in the guide sleeve and used for measuring the distance between the stroke sensor and the stroke measuring block so as to determine the stroke of the oil cylinder. According to the assembly device, the stroke sensor and the angle sensor are integrally arranged in the outer ring of the guide sleeve of the assembly device, so that the sensors are prevented from being influenced by the external environment, the measurement accuracy is improved, meanwhile, the situation that the sensors are externally arranged on an arm frame is avoided, external object installation and independent support welding are omitted, and the cost is reduced.
Owner:ANHUI HELI CO LTD

End-to-end oil business knowledge graph construction method based on large language model

The application relates to an end-to-end petroleum business knowledge graph construction method based on a large language model, which comprises the following steps: acquiring multi-source data in a petroleum business field to form rich corpus information; constructing a knowledge extraction module, designing a petroleum business field special prompt template, extracting and generating input data under instruction prompts by using a large language model, and outputting entity relationship triple knowledge structure; constructing a knowledge consistency verification module, introducing a thinking chain reasoning technology and a self-reflection mechanism, and performing correction and optimization; constructing a knowledge storage and management module, automatically importing triple knowledge data into a graph data system, establishing a multi-dimensional index structure, and completing preliminary establishment of a knowledge graph; and constructing a knowledge updating and feedback learning module, realizing dynamic evolution and self-adaptive updating of the knowledge graph. The application can realize rapid construction and dynamic updating of a petroleum business field knowledge graph at a low cost.
Owner:SANYA MARINE OIL & GAS RESEARCH INSTITUTE NORTHEAST PETROLEUM UNIVERSITY

Laser cladding Al / FeCrAl gradient coating used for garbage incineration working condition and preparation method of laser cladding Al / FeCrAl gradient coating

The invention discloses a laser cladding Al / FeCrAl gradient coating for a waste incineration working condition. The laser cladding Al / FeCrAl gradient coating comprises an aluminum alloy coating arranged on the surface of a base material and a FeCrAl alloy mixed coating arranged on the surface of the aluminum alloy coating. The invention further discloses a preparation method of the laser cladding Al / FeCrAl gradient coating. According to the method, by means of the laser cladding technology and accurately controlling the machining parameters of laser cladding, good combination of the coating and the base material is ensured, generation of defects such as cracks and gaps is reduced, the adhesive force and the bonding strength of the coating are improved, the compact Al / FeCrAl gradient coating is prepared on the surface of the base material, and the coating quality is improved. And / or formation of a compact Al2O3 protective film is promoted, so that the overall corrosion resistance of the coating is enhanced, and the high-temperature stability and durability of the coating are also improved; the permeation of a corrosive medium is effectively prevented. The superheater pipeline is particularly suitable for a waste incineration power generation environment.
Owner:CHONGQING UNIVERSITY OF SCIENCE AND TECHNOLOGY

An environment perception and data backhaul apparatus and method thereof

The application relates to an environment sensing and data back transmission device, which comprises a data acquisition module for acquiring accurate images and point cloud data of a disaster area of infrastructure; a multi-path transmission module for transmitting the data collected at a low altitude back to a ground server; a post-disaster evaluation and reconstruction module for generating disaster evaluation, disaster risk heat map and three-dimensional model of a disaster area, and planning emergency treatment measures and material allocation. The three-dimensional reconstruction technology and multi-link transmission technology are used to realize that a UAV quickly and accurately acquires disaster area data and generates a three-dimensional model, and promote the intellectualization of disaster detection.
Owner:BEIJING JIAOTONG UNIV

Load identification capability remote test method and related system

The invention belongs to the field of intelligent measurement, and discloses a load identification capability remote test method and a related system, the remote test is realized through network data uploading, the remote test does not need field operation, the tedious field deployment and debugging work are avoided, the inconvenience of data transmission and equipment carrying is avoided, and the test efficiency is improved. The testing time is greatly shortened, the testing efficiency is improved, and the cost is remarkably reduced through remote transmission and analysis. According to the invention, through a transmission link with a safe state, a tester does not need to arrive at a load location, and loads with scattered geographic positions can be covered, so that the problem of regional limitation is solved. According to the method, the historical data and the real-time data are encrypted in the transmission process, so that leakage or tampering of the data in the transmission process is avoided, and the security of the data is ensured.
Owner:CHINA ELECTRIC POWER RESEARCH INSTITUTE CO LTD +1

Organic silicon heat-conducting gel with high heat conductivity and preparation method thereof

The invention relates to the technical field of new materials and application thereof, in particular to high-heat-conductivity organic silicon heat-conducting gel and a preparation method thereof. The high-heat-conductivity organic silicon heat-conducting gel is prepared from the following components in parts by mass: 16 to 20 parts of hydrogen-containing silicone oil, 28 to 35 parts of vinyl silicone oil, 0.3 to 0.6 part of a catalyst, 0.2 to 0.5 part of an inhibitor, 0.1 to 0.3 part of an epoxy group chain extender and 79 to 94 parts of composite heat-conducting filler, the composite heat-conducting filler comprises modified diamond, aluminum nitride and modified carbon nanotubes. According to the organic silicon heat-conducting gel with the high heat conductivity, the problems that in existing heat-conducting gel, the intrinsic heat conductivity of heat-conducting filler is low, the interconnection degree between the heat-conducting filler and silicone oil is limited, stability is poor, and the heat-conducting gel is difficult to be suitable for heat dissipation of microelectronic devices are solved, the intrinsic heat conductivity of the heat-conducting filler in the heat-conducting gel is higher, and the heat conductivity of the heat-conducting filler in the heat-conducting gel is improved; and mutual crosslinking between the enhanced heat-conducting filler and the silicone oil is enhanced, so that the anti-aging stability is enhanced.
Owner:SUZHOU KESHIDA ELECTRONIC MATERIALS CO LTD

Integral bridge type suspension and vehicle

ActiveCN222591159UMeet layout requirementseasy to operateBridge typeSuspension (vehicle)
The utility model provides an integral bridge type suspension and a vehicle. The integral bridge type suspension comprises an integral bridge and a steel plate spring installed on a steering knuckle in the integral bridge. The steering knuckle is provided with a steering knuckle main body and an axle body connecting part connected with an axle body in the integral axle, and the steering knuckle main body comprises an upper wall and a lower wall which are oppositely arranged up and down, and a side wall connected between the upper wall and the lower wall; the axle body connecting part is connected between the upper wall and the lower wall, a hub bearing mounting part is arranged on the side wall, a cavity for a driving half shaft to pass through is formed between the upper wall and the lower wall, and the steel plate spring is mounted at the bottom of the lower wall through a mounting structure. According to the integral bridge type suspension, the installation and arrangement of the steel plate spring on the axle can be realized under the condition that the suspension driving half shaft is separated from the axle housing, and the arrangement requirement of the steel plate spring in the integral bridge type suspension can be met.
Owner:GREAT WALL MOTOR CO LTD

Comprehensive energy system for zero-carbon park

The invention relates to the technical field of zero-carbon parks, in particular to a comprehensive energy system for a zero-carbon park, which comprises an energy production module, a multi-energy conversion and storage module, an intelligent management and control module, a user load module and a carbon capture and utilization unit. Multi-energy complementation and long-time energy storage can be achieved, reliable supply of zero-carbon energy is guaranteed, the overall efficiency and the energy utilization rate of the system are improved, resource cyclic utilization, multi-time scale optimization and multi-element load interaction are achieved, optimal economic dispatching and hydrogen energy multi-element utilization are achieved, and multiple guarantees and operation toughness are provided; the data uplink gateway ensures that source data is real and cannot be tampered, meanwhile, short-term temperature fluctuation caused by renewable energy source fluctuation or load change of a heat supply network can be effectively restrained, continuous and stable heating / cooling service is provided for users, and the energy consumption quality and comfort of a park are remarkably improved.
Owner:NANJING YAPAI SOFTWARE TECH CO LTD

An improved method for intelligent prediction of a formation model by machine learning and related devices

PendingCN122506618AIncrease the number of iterationsGuaranteed generalization ability
This invention discloses an improved machine learning-based intelligent prediction method for stratigraphic models and related equipment. By fusing depth-aligned high-frequency active seismic source data and low-frequency passive seismic source data, a multi-dimensional complementary source feature vector is constructed, significantly improving the vertical resolution and deep penetration capability of stratigraphic prediction. A genetic algorithm is used to globally search and optimize the network parameters of the convolutional neural network. Combining binary encoding and genetic operations effectively avoids the pitfalls of traditional gradient descent methods, which are prone to getting trapped in local optima, thus improving the globality and stability of model parameter optimization. Through iterative fitness verification and threshold determination, the optimal network parameters are adaptively determined without manual intervention, significantly reducing the cost of hyperparameter tuning while effectively ensuring the generalization performance of the prediction model. The final prediction model can perform fast and accurate stratigraphic prediction based on real-time source data and can be widely applied in the field of data processing technology.
Owner:GUANGZHOU MARINE GEOLOGICAL SURVEY

Battery box cover packaging fixing tool structure

The utility model discloses a kind of battery box cover packaging fixed tool structure, it is related to battery box cover packaging technical field, including fixed frame, fixed frame top side is equipped with vertical protruding part, and the other side is equipped with positioning member;Fixed frame bottom side is equipped with vertical recess, and the other side is equipped with horizontal protruding part;Vertical recess and vertical protruding part are correspondingly arranged;Horizontal protruding part is used for supporting product bottom wall edge, and isolating upper and lower adjacent products;Fixed frame bottom is close to the position of horizontal protruding part and is equipped with positioning hole, and positioning hole and the flange hole of product are all adapted with positioning member.The utility model in the positioning member passes through the flange hole of product, and extends into the positioning hole of upper fixed frame, realizes the positioning of upper and lower adjacent products Fixed;Fixed frame can bear upper and lower vertical direction stress, ensure that product will not be compressed deformation by upper gravity in packing process;Fixed tool structure can be recycled, installation is convenient, reduce production material cost and manpower cost.
Owner:XINYU GANFENG NEW LITHIUM SOURCE BATTERY CO LTD