93results about How to "Guarantee long-term stability" patented technology

The invention relates to an O2-phase lithium cobalt oxide positive electrode material and a preparation method thereof, and belongs to the technical field of lithium ion batteries. The preparation method comprises the following steps: S1, uniformly mixing a doped metal source, a sodium source and a cobalt source, sintering, and cooling to obtain a P2-phase precursor; s2, uniformly mixing the P2-phase precursor, a lithium source A and the coating layer precursor, sintering, and cooling to obtain an intermediate A; s3, uniformly mixing the intermediate A and a lithium source B, sintering, and cooling to obtain an intermediate B; and S4, uniformly mixing the intermediate B and a lithium source C, sintering, cooling, washing and drying to obtain the O2-phase lithium cobalt oxide positive electrode material. The O2-phase lithium cobalt oxide positive electrode material with low residual sodium, high structural stability and excellent interface coating performance is prepared through a method of combining gradient ion exchange, gradient temperature control, gradient atmosphere regulation and control and synchronous in-situ coating.

The invention belongs to the technical field of metal wire feeding and printing, and relates to a quick-release wire feeding structure suitable for small-diameter metal wires. The wire feeding structure comprises a main body structure frame assembly serving as an installation reference and a force bearing main body of the whole mechanism; the quick-release wire feeding seat assembly is arranged in the main body structure frame assembly, and a through wire feeding channel is formed in the quick-release wire feeding seat assembly; the wire feeding shaft driving assembly is installed in the shaft hole of the main body structure frame assembly and used for driving the metal wire to move along the wire feeding channel; the wire feeding head assembly is installed at the outlet end of the main body structure frame assembly and used for guiding the metal wires; and the quick-release wire feeding seat assembly can be integrally taken out of and loaded into the main body structure frame assembly. The problems that operation and maintenance convenience is poor, and wire feeding stability and reliability are insufficient are solved.

The application discloses a damping gimbal mounting device for unmanned aerial vehicle surveying, and belongs to the field of unmanned aerial vehicle equipment. The gimbal mounting device comprises a damping support, a gimbal main body connected with the damping support, and a connecting mechanism for fixing and mounting the gimbal main body on the damping support. The connecting mechanism comprises a fixed sleeve penetrating through the bottom of the damping support and fixedly connected with the top of the damping support, a plug sleeve inserted into the bottom of the fixed sleeve and fixedly connected with the gimbal main body, a first arc-shaped plate fixedly connected with the upper end side of the plug sleeve, and an arc-shaped groove provided in the fixed sleeve and adapted to the first arc-shaped plate. The convex surface of the first arc-shaped plate is outwardly arranged. Through the design of the elastic component, the first arc-shaped plate can be provided with continuous outward force, so that the convex surface of the first arc-shaped plate is always closely attached to the inner wall of the arc-shaped groove, the first arc-shaped plate is prevented from being separated from the arc-shaped groove due to the flight vibration of the unmanned aerial vehicle, and the long-term stability of the connecting mechanism is ensured.

The invention discloses a soft rock large deformation control method and a rapid support system suitable for TBM tunnel construction method characteristics, the method is implemented based on an anchoring support system composed of a short anchoring support system and a long anchoring support system, and the method is suitable for an open TBM construction scene: in a TBM tunneling process, before a shield is exposed, the shield is not exposed, and the long anchoring support system is not exposed; a short anchoring support system of a full-length anchoring anchor rod structure is timely arranged in the radial direction of the 180-degree area of the upper half ring of the tunnel section through a cutter head edge cutter hole, and the short anchoring support system and a shield cooperate to form an initial deformation control system; after the shield is exposed, according to the deformation degree of the surrounding rock, full-length anchoring anchor rods or pre-stressed anchor cables are adopted in a graded mode, long anchoring supporting systems are arranged at intervals with the short anchoring supporting systems in a spiral mode, then the long anchoring supporting systems are cooperatively borne with steel arches, reinforcing meshes and sprayed concrete, and the long anchoring supporting systems are matched with 70m system sprayed concrete and 1000m secondary lining construction behind a tunnel face. According to the method, the displacement around the hole is effectively controlled, the TBM is prevented from being stuck, and the construction safety and efficiency of the open-type TBM in the soft rock large-deformation geology are improved.

The utility model discloses a kind of thick-wall type steering signal lamps, including bottom shell, lamp panel assembly, light distribution lens, veneer and lampshade, lamp panel assembly is installed in bottom shell, lamp panel assembly includes lamp panel body and the multiple lamp beads evenly arranged along its contour edge;Light distribution lens is thick-wall piece, is installed in bottom shell front end, its inner wall is equipped with baffle ring, light distribution lens is polygonal ring structure and lamp bead arrangement path is adapted;Veneer one side is equipped with flanging and baffle ring is resisted, the other side is equipped with connecting rod;Bottom shell side wall is equipped with connecting protrusion, connecting protrusion is equipped with jack on, jack is equipped with baffle disc in, connecting rod end is connected with baffle disc by fastening bolt;Bottom shell opening is equipped with stepped limiting groove, including first limiting groove and second limiting groove, first limiting groove is used to install light distribution lens, second limiting groove is used to install lampshade, and light distribution lens and lamp bead arrangement path are matched by thick-wall polygon, realize light even distribution effect.

The utility model belongs to the field of electric power line fault monitor, specifically is a kind of electric power line fault monitor with hardware installation structure, including monitor, the bottom of the back of monitor is fixedly connected with hinge in axial symmetry, the top of hinge is fixedly connected with telescopic subassembly, the top of telescopic subassembly is fixedly connected with positioning assembly, the top of the back of monitor is fixedly connected with frame in axial symmetry, the side of frame is fixedly connected with rubber pad;Through the wire slot bearing electric power line of positioning assembly, and through rotating outer-screw pipe drive its inside detection probe along thread hole and compact electric power line of setting of interference fit, realize the quick, firm, adjustable and anti-loosening connection of detection probe and electric power line, in combination with the buffering effect of rubber ring, effectively prevent the connection slackening caused by vibration or external force, guarantee the long-term stability of signal detection and the accuracy of measured data.

The invention relates to a modular assembly type high fill retaining wall, and relates to the technical field of ecological protection, the modular assembly type high fill retaining wall comprises a high fill soil body and a retaining wall body formed by splicing a plurality of precast concrete modules, and the retaining wall body formed by splicing the plurality of precast concrete modules is laid on the left side of the high fill soil body; a three-stage drainage mechanism is integrated on the retaining wall body. According to the modular assembly type high-fill retaining wall, a three-stage drainage mechanism composed of the first-stage earth surface water interception assembly, the second-stage wall back collecting and drainage assembly and the third-stage wall body guiding-out assembly is integrated in the retaining wall body, and a complete hydrological regulation and control path from slope top runoff interception, wall back seepage filtration and collection to directional guiding and drainage in the wall body is constructed. Wherein the seepage regulation and control layer effectively prevents fine particles of a high-filled soil body from losing, the confluence channel and the guide and discharge pipe gallery arranged with the gradient cooperate to achieve efficient one-way water flow discharge, the hydrostatic pressure behind the wall and the height of the infiltration line are remarkably reduced, and the problems that drainage holes of a traditional assembly type retaining wall are prone to being blocked and difficult to maintain are solved.

This invention relates to the field of fault early warning technology and discloses a fault early warning system for desalination in saline soil areas based on multi-source data. The system includes a preprocessing module, a prediction module, a working condition monitoring module, a display module, and an optional fault location module for extended functions. The system predicts crystallization risk by monitoring multi-source parameters such as temperature, flow rate, concentration, and pressure head within the desalination pipe, and issues anomaly warnings before a fault occurs. This overcomes the shortcomings of existing technologies that cannot effectively monitor crystallization risk within the desalination pipe, and is of great significance for ensuring the reliable operation of the desalination system and the long-term stability of saline soil subgrades.

This invention discloses a hardware verification circuit for quantum telemetry and control link calibration and measurement results, belonging to the field of high-precision hardware technology for quantum telemetry and control. The circuit includes a link characteristic measurement unit, a parameter compensation storage unit, a hardware compensation controller, a hardware redundancy verification unit, and a calibration parameter storage unit with a one-time programmable fuse. All calibration rules and verification parameters are permanently fixed using the one-time programmable fuse and cannot be modified by software. This invention achieves full-dimensional calibration of the quantum telemetry and control link and hardware-level anti-tampering verification of measurement results through a pure hardware circuit, solving the problems of existing technologies where link calibration relies on software, accuracy is insufficient, and measurement results lack hardware-level protection. It can improve the synchronization accuracy and reliability of quantum telemetry and control results, and is suitable for various high-precision quantum telemetry and control scenarios.

This invention discloses a novel in-situ solid electrolyte and its preparation method, comprising: mixing precursor A and precursor B, and carrying out a hydrolysis-condensation reaction under the action of a catalyst to obtain a POSS-based curing agent with R1 and R2 groups; in an inert environment, sequentially mixing the POSS-based curing agent, a double lithium salt, an organic solvent, and an initiator to obtain a precursor liquid; injecting the precursor liquid into a battery casing and allowing it to stand and soak, so that the precursor solution can fully penetrate the electrode pores; heating the battery after liquid injection at 45-80°C for 4-24 hours to initiate the polymerization and cross-linking of the R2 groups to form a three-dimensional network, and the R1 groups undergo microscopic phase separation to repel the electrolyte phase, constructing ion transport channels in the POSS cross-linked network, while the POSS framework adsorbs and fixes anions, thus forming a solid electrolyte in situ; improving the rate performance of the battery and effectively eliminating the risk of lithium dendrite precipitation under low-temperature fast charging conditions.

The invention discloses a four-door two-cover flexible trimming die switching system, and relates to the technical field of automobile manufacturing equipment.The four-door two-cover flexible trimming die switching system comprises a lightweight trimming die unit and a switching mounting base, and the lightweight trimming die unit is detachably mounted on the switching mounting base through a robot grabbing device; the bottom of the light-weight edge rolling die unit is provided with a gun changing disc butt joint part, and the switching installation base is provided with an electric quick-plug device and a positioning locking device which are matched with the gun changing disc butt joint part. According to the invention, a split type framework of the lightweight trimming die unit and the switching mounting base is adopted, and a full-automatic die switching system is constructed through a robot automatic grabbing and gun changing disc rapid butt joint technology. A gun replacing disc butt joint part arranged at the bottom of the die body, an electric quick-plug device of the base and a positioning locking device form a standard interface, and a robot is matched for accurate grabbing and positioning, so that the die replacing process is optimized from traditional manual hoisting calibration to machine autonomous recognition butt joint.

The invention discloses a method for a light storage charging and discharging station to participate in a multi-agent cooperative game, and the method comprises the steps: carrying out the modeling according to the internal operation characteristics of each agent and a commercial operation mode, and obtaining a private objective function and an operation constraint set; building a multi-agent cooperative game framework, and decomposing a multi-agent cooperative game problem into an alliance benefit maximization sub-problem and a benefit distribution sub-problem which are solved in sequence; and based on the sub-problem, introducing an adaptive penalty factor, and adopting an enhanced alternating direction multiplier method for distributed solution to obtain an optimal scheduling strategy. According to the invention, modeling is carried out by fully considering the internal operation characteristics of each operator main body, so that the flexible operation of the optical storage charging and discharging station is ensured; by sequentially solving the alliance benefit maximization sub-problem and the benefit distribution sub-problem, the overall optimization of the alliance can be ensured, the reasonable and fair distribution of the cooperation residue among all participants can be ensured, and the long-term stability of the alliance is ensured.

This invention relates to the field of artificial intelligence technology and discloses a method and system for optimizing feed formulation for caged laying ducks. The method includes collecting multidimensional dynamic data and environmental parameter data of caged laying ducks; preprocessing and extracting features from the collected multidimensional dynamic data and environmental parameter data to generate standardized dynamic feature data and environmental stress factor data of laying ducks; and constructing a process flow that includes data collection, feature extraction, demand modeling, formula optimization, precise execution, feedback evaluation, and iterative updates, and building a corresponding collaborative system to achieve closed-loop optimization from perception, decision-making, execution to feedback, so that the feed formulation can be dynamically adjusted according to the real-time status of the laying ducks and environmental changes.

The invention discloses an outdoor magnesium oxysulfate fireproof plate and a preparation method thereof, and belongs to the technical field of light building materials, and the preparation method comprises the steps of filler pretreatment, cement paste preparation, filling reinforcement, molding pouring and segmented maintenance. According to the invention, the recycled foamed ceramic leftover material is used as a core filler, so that the problem of treatment of foamed ceramic processing waste is effectively solved, and the environmental pressure caused by industrial solid waste accumulation is reduced. Meanwhile, part of traditional filler is replaced with waste, the raw material cost for preparing the fireproof plate is greatly reduced, the dual benefits of environmental protection, waste reduction and cost optimization are achieved, and the development trend of green building materials is met.

The invention provides an intelligent regulation and control method and system for a plateau afforestation habitat, and belongs to the technical field of ecological intelligent regulation and control. The method comprises the following steps: S1, acquiring multi-source data to construct a habitat database, and quantifying habitat demand parameters of target species; s2, calculating a comprehensive ecological function value and a species suitability index, and identifying a habitat demand conflict region; s3, designing a regulation and control scheme and pre-evaluating benefits; s4, outputting an optimal scheme through a multi-objective optimization algorithm by taking multi-species overall benefit maximization and balance degree optimization as objectives; s5, after the scheme is implemented, feedback data are obtained through a monitoring network, actual and expected benefits are compared, and when the deviation exceeds a threshold value, model parameters are corrected in a linkage mode, and closed-loop optimization is formed. According to the intelligent regulation and control method and system for the plateau afforestation habitat, habitat quality dynamic accurate diagnosis and simulation optimization decision making are achieved, a real-time feedback self-adaptive management mechanism is constructed, and the diversity of plateau animals and birds is improved.

The utility model relates to the technical field of kiln cleaning, in particular to a dust suction device which comprises an exhaust pipe, a dust suction pipe and an air blowing pipe, the dust suction pipe is communicated with the exhaust pipe, the exhaust pipe and the dust suction pipe are coaxially arranged, the air blowing pipe is communicated with the exhaust pipe, and the air outlet end of the air blowing pipe faces the air outlet end of the exhaust pipe. The dust collection pipe and the exhaust pipe which are coaxially arranged are communicated, the air blowing pipe facing the air outlet end of the air blowing pipe is connected to the exhaust pipe, compressed air is injected into the exhaust pipe through the air blowing pipe, high-speed airflow carries air in the exhaust pipe to be rapidly exhausted, and therefore negative pressure is formed in the dust collection pipe to achieve the dust collection function. Meanwhile, hot air only flows through the exhaust pipe and the dust suction pipe, and long-term stability of operation of the device is guaranteed.

The invention relates to the technical field of crossing of orthodontics and digital medical treatment, and provides an orthodontic target position generation method based on cranio-maxillofacial skeleton harmony, which comprises the following steps: S1, acquiring multi-modal oral data of a patient, performing registration fusion, and constructing a three-dimensional integrated virtual model containing jaw bones and teeth; s2, performing bone form quantitative analysis, and automatically identifying the bone type and main bony limitation characteristics of the patient; s3, on the basis of the skeleton constraint conditions, solving and generating an individualized skeleton coordination correction target position matched with the skeleton form of the patient through a preset coordination degree evaluation function and a multi-objective optimization algorithm; s4, presenting the individualized bone coordination correction target position and an analysis basis through a visual interaction interface; and S5, by taking the confirmed individualized bone coordination correction target position as a reference, finishing tooth movement sequence planning of invisible correction and correction related component design. The defect of excessive or improper compensation caused by neglecting the skeleton basis in the prior art is overcome.

This invention relates to the field of multispectral UAV grassland inspection and machine vision deep learning detection and segmentation algorithms. Specifically, it is a method for grassland spot detection and forage reseeding based on UAV multispectral imagery. The method involves a UAV equipped with a multispectral camera to acquire multispectral image data of grassland pastures. Professional remote sensing software is used to analyze and extract information on grassland cover and health status. Multiple deep learning algorithms are combined to detect and segment grassland spot areas, extracting information on bareness, coordinates, and size. Reseeding prescription data is generated based on the analysis results and optimized by considering soil conditions and climate factors. The prescription data is imported into the control terminal of a large agricultural UAV, which carries seeding and fertilization equipment, loading appropriate amounts of seeds and fertilizers for precise reseeding and fertilization. This method can effectively detect grassland spots, implement targeted forage reseeding, and promote the restoration and stability of the grassland ecosystem.

The present application provides a kind of mine roadway support intelligent design and feedback optimization system and method, it is related to mine support technical field, including rock mass quality classification, support parameter automatic design, knowledge graph case reasoning and AI optimization, agent model quick verification, three-dimensional visual support design and digital twin modeling, BIM / GIS integrated interface, multi-source monitoring and early warning, dynamic feedback optimization and surrounding rock parameter inversion, design report generation and multi-roadway progress board nine big subsystems.The intelligent generation and optimization of support scheme are realized based on machine learning algorithm through multi-source data fusion analysis, the three-dimensional visual model of roadway is established using digital twin technology, the dynamic adjustment of support scheme is driven by real-time monitoring data, the scientificity and economy of support design are effectively improved, the complex geological instability risk is effectively resisted, the intelligent management of support full life cycle is realized, and the safe and efficient production of mine is ensured.

This invention relates to an embedded, transparent protective structure resistant to repeated impacts. It comprises a transparent ceramic curved armor plate, a transparent fiber-reinforced skeleton, a polycarbonate curved backplate, an epoxy resin coating, and an STF shear-thickening coating. The polycarbonate curved backplate has a central groove with a concave bottom. Each polygonal unit of the transparent fiber-reinforced skeleton contains a transparent ceramic curved armor plate. The gaps between the transparent ceramic curved armor plates and the transparent fiber-reinforced skeleton are filled with the STF shear-thickening coating. The bottom of the overall structure formed by the transparent ceramic curved armor plates, the transparent fiber-reinforced skeleton, and the STF shear-thickening coating is a convex curved surface, and the upper part of the overall structure is also a convex curved surface coated with an epoxy resin coating. This invention uses segmented, interlocking fibers in the armor plates to inhibit the propagation of crack damage, ensuring that the protective capabilities and visibility of other areas are not affected after an impact. Combined with the function of the curved structure, the overall structure is embedded in the curved backplate, forming an embedded structure.

This invention discloses an AI-powered intelligent layout and landscape optimization system for landscape planning and design. The system comprises: a multi-source data preprocessing module for acquiring multi-source data for landscape planning and design, performing data cleaning and spatial data fusion; a basic rule constraint module for analyzing industry standards for landscape planning and design, establishing site-specific constraints, and transforming functional requirements into quantifiable constraint indicators; an ecological and humanistic dual-driven collaborative optimization module including a gene pool evolution sub-module and a narrative script arrangement sub-module; a simulation verification module using CFD numerical simulation technology to simulate ecological processes within the site, analyze spatial use performance indicators, and output simulation results; and a scheme output and iterative optimization module for generating visualized schemes, conducting multi-dimensional comparisons, providing users with an interactive editing interface, and performing iterative optimization. This invention enables automated landscape planning, achieves long-term stable evolution of plant communities, and boasts high design efficiency.

The utility model discloses a kind of eccentric disc for rotary electronic multi-arm machine, including eccentric disc body and eccentric disc boss, the eccentric disc body is equipped with mounting hole;The eccentric disc boss is extended from the side of eccentric disc body, the eccentric disc boss and eccentric disc body form stepped structure, the eccentric disc body and eccentric disc boss are integrally formed whole component.The utility model improves machining precision, operating stability and manufacturing economy by structure optimization and function integration.Eccentric disc body and eccentric disc boss, integrally formed whole component with stepped structure is formed by the two, the design not only guarantees the integrity and rigidity of structure, but also provides reliable positioning datum plane for subsequent assembly and clamping, effectively avoids the problem of looseness or misplacement possibly caused by split connection, improves dynamic stability under high-speed operation.

The utility model relates to dry granulation technical field discloses a kind of sealing mechanism for dry granulator, including granulator, the outer wall side of granulator is equipped with conveying structure, it spirally conveys material to the inside of granulator, the inside one end of conveying structure is equipped with sealing mechanism, it is sealed to conveying structure, the outside of sealing mechanism is also equipped with cooling structure, it is cooled to sealing mechanism;The conveying structure includes conveying pipe, one end of the conveying pipe is connected with granulator, another end of the conveying pipe is fixedly connected with conveying motor.In the utility model, high-strength magnetic field formed in radial gap by magnetic circuit assembly captures magnetic fluid, forming liquid seal ring.The sealing ring can adapt to the rotating conveying shaft, maintain complete sealing interface, eliminate the reverse leakage of powder material, and ensure the pressure stability of the granulation process.Because of the liquid contact between magnetic fluid and conveying shaft, mechanical wear is reduced.

The utility model provides a composite filter element and a purification device, the composite filter element comprises: a water collection component having a water collection channel, a water passing hole and an opening, the water passing hole is located in the side wall of the water collection component and communicates with the water collection channel, and the opening communicates with the water collection channel; the front filtering part is arranged on the outer side wall of the water collecting part in a sleeving manner and is communicated with the water passing hole; the rear filtering part is arranged in the water collecting channel; the water outlet connector is inserted into the end, with the opening, of the water collecting channel, covers the opening and is provided with a water outlet flow channel, and the water outlet flow channel communicates with the water collecting channel; the first blocking part is arranged between the rear filtering part and the water outlet connector, covers an opening in the end, close to the water collecting channel, of the water outlet flow channel and is used for blocking the first particulate matter released by the rear filtering part. The rear filtering part is integrated in the water collecting channel in the water collecting part, and the filter element is highly integrated, good in compactness, good in space utilization rate and easy to install under the condition that the overall performance of the filter element is not changed.

The utility model belongs to noise detection technical field, specifically disclose an improved wind power noise test is with noise signal collection equipment, including sound level meter and wireless device, wireless device includes the equipment cabinet that lies on the ground, is equipped with antenna mast structure on the equipment cabinet, is equipped with antenna support on antenna mast structure, has fixed structure on antenna mast structure, fixed structure includes the eye -splicing, the eye -splicing is fixed on the ground through the wind rope of inclination setting and the ground peg of wind rope bottom end, and the ground peg is symmetrically set up in the periphery of equipment cabinet, antenna support includes the connecting seat that sets up in the top of antenna mast structure, the lateral rod that is symmetrically set up with both sides of connecting seat, the lateral rod end is connected with the antenna through detachable structure, the top clearance of connecting seat is equipped with LED lamp and photosensitive switch.

The application belongs to the technical field of polyethylene, and particularly relates to single-kettle bimodal polyethylene for water supply pipes and a preparation method thereof. The single-kettle bimodal polyethylene for water supply pipes is prepared by using ethylene as raw material, hydrogen as molecular weight regulator, a main catalyst and a cocatalyst, and a gas phase fluidized bed process to perform copolymerization with 1-hexene in a single reactor. The main catalyst is a supported metallocene bimetallic catalyst which is prepared by loading bis(cyclopentadienyl)zirconium dichloride, dichlorotitanocene and bis-arene imidazole pyridine iron complex on a silica carrier. The length of tie molecules and the lamella thickness are increased by increasing the polyethylene molecular weight. Meanwhile, the content of the comonomer in the polyethylene molecular chain is increased, which further increases the entanglement effect of the tie molecules between the lamellas, so that the lamellas are not easy to slip, thereby improving the slow crack growth resistance of the material.

This utility model relates to the field of motor technology and discloses a rotor baffle, rotor structure, motor, and traction machine. The rotor baffle includes: a baffle body with multiple counterweight hole groups arranged radially at intervals on its end face, each counterweight hole group including multiple counterweight holes arranged circumferentially at intervals; and at least one counterweight block disposed within at least one of the counterweight holes. This utility model, through the design of radially spaced multiple sets of counterweight hole groups and circumferentially distributed counterweight holes within each group, provides more selectable counterweight positions. The corresponding hole position can be selected to install the counterweight block according to the specific orientation and size of the initial rotor imbalance, achieving near-precision dynamic balance in one step, significantly improving the correction efficiency. The rationally designed openings, through topology optimization to distribute stress, can reduce the maximum stress concentration factor, effectively improving the deformation resistance of the baffle body. The baffle body formed by the openings can reduce weight while meeting strength requirements.

The invention discloses an operation safety monitoring method of a wind and light energy storage platform. According to the method, operation parameters are collected and standardized in real time, and power and environment features are extracted to construct a multi-dimensional feature vector; a key feature subset is determined through dimension reduction, and a normal operation mode is established through clustering analysis; calculating the health deviation degree between the real-time state track and the clustering center, and triggering an alarm sequence; constructing a parameter interaction directed graph to reversely search and position an abnormal source; a monitoring model is updated in combination with historical abnormal logs, and the real-time abnormal risk probability is calculated through recursive filtering. According to the invention, intelligent safety monitoring and dynamic risk quantification of the wind and light energy storage system are realized, and the operation safety and the accuracy of abnormal early warning are remarkably improved.

The present application relates to a kind of multi-faceted composite copper-aluminum substrate, copper-aluminum composite heat dissipation device and manufacturing method, multi-faceted composite copper-aluminum substrate includes aluminum plate and copper plate, copper plate is formed with continuous copper-aluminum diffusion layer between the aluminum plate;Copper-aluminum diffusion layer includes bottom bonding area combined in up-down direction and side bonding area combined in horizontal direction.Copper-aluminum composite heat dissipation device includes multi-faceted composite copper-aluminum substrate and several heat sinks.Process includes: the fourth surface of copper plate is placed on the first surface of aluminum plate;Copper plate and aluminum plate are welded together using diffusion welding, to obtain copper-aluminum bonding plate, form continuous copper-aluminum diffusion layer;Copper-aluminum bonding plate is placed into forging die, and the copper material of upper die is embedded in the first surface of aluminum plate in the corresponding position of boss, to obtain forging piece.The present application uses diffusion welding as the basis of copper-aluminum composite, and the boss forging forms the bonding structure of five faces, which greatly improves the bonding capacity of copper plate and aluminum plate.

This invention discloses a release film for multilayer ceramic capacitors and its preparation method in the field of polymer composite materials. The release film uses polyethylene terephthalate as the matrix, combined with a bimodal nanoparticle system composed of specific spherical silica and alumina. It innovatively introduces a bifunctional modifier containing perfluoroalkyl and siloxane groups, as well as a hyperbranched multi-arm block polyester siloxane synergistic interface modifier. The preparation process includes key steps such as nanoparticle surface modification, functional masterbatch melt blending and extrusion, and biaxial stretching molding. Through the synergistic effect of the two special modifiers, the dispersibility of nanoparticles in the matrix is ​​significantly improved, and the interfacial bonding strength is enhanced. This results in a release film with extremely low surface roughness and excellent anti-adhesion properties, while also exhibiting good heat resistance and dimensional stability, fully meeting the requirements of high-end multilayer ceramic capacitor manufacturing processes.