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65results about How to "Improve long-term operational reliability" patented technology

Array electric tracing band heating control method and system

The invention relates to an array electric tracing band heating control method and system, and the method comprises the steps: an array construction and control circuit construction step: arranging and fixing a heating unit array on a supporting body, and configuring one-to-one voltage regulation and control links; a temperature value obtaining step: calculating resistance by collecting voltage and current of the heating unit, and obtaining the real-time temperature of the heating unit in combination with the resistance-temperature reference curve; a compensation voltage calculation step: establishing a model based on the bearing body partition temperature difference, the heating unit temperature and the multi-dimensional influence parameters, and calculating a compensation voltage; a temperature regulation and control step: superposing the compensation voltage and the real-time voltage to regulate the heating power so as to realize the precise temperature control of the bearing body partition; the system comprises a main control module, a power drive and control module, a sensor module and a power supply module, and all the modules cooperate to complete control logic. According to the invention, the bearing body partition temperature control precision and the reliability of the system are improved, and the system adapts to various bearing body forms.
Owner:NILS NOEL ELECTRICAL TECH (TIANJIN) CO LTD

Field self-cleaning monitoring rod

The utility model relates to the technical field of agricultural monitoring equipment, and discloses a field self-cleaning monitoring rod, which comprises a rod body and a detection module arranged in the rod body, and is characterized in that a plurality of through holes for sensor probes of the detection module to extend out are formed in the side surface of the rod body; a brush cylinder capable of rotating around the axis of the rod body is sleeved outside the rod body, cleaning brushes are uniformly distributed on the inner wall of the brush cylinder, and a motor for driving the brush cylinder to rotate is arranged inside the rod body; through the rotary linkage design of the rod body and the brush cylinder, the cleaning brush on the inner wall of the brush cylinder is used for periodically and automatically cleaning the sensor probe, and monitoring data distortion caused by dust accumulation and water mist attachment is effectively prevented; besides, the transmission structure of the brush cylinder is matched with the quantitative track, so that the brush cylinder can more fully clean each driver probe, the long-term working reliability of the monitoring rod in a complex farmland environment is remarkably improved, and the manual maintenance requirement is reduced.
Owner:NINGJIN COUNTY BAODIAN TOWN PEOPLES GOVERNMENT

DC MCC control cabinet with double power supply false switching prevention mechanism

The present application relates to the technical field of control cabinet, disclose a kind of double power supply false switching mechanism's dc MCC control cabinet with preventing, including cabinet, power switch A and power switch B are respectively fixedly connected in cabinet, power switch A and power switch B are all rotatably connected with latch handle, limit hole is all set up on the latch handle, two hollow connecting rods are located in the limit hole of power switch A and power switch B in same side, slidingly connected with support block in the communicating port of hollow connecting rod, support block is close to the side in hollow connecting rod and is all fixedly connected with inclined guide plate, the inner wall of hollow connecting rod is fixedly connected with limit spring close to one end of mounting base, one end of limit spring is fixedly connected with guide seat, guide groove is set up on the guide seat, and the number and position are all corresponding with each guide plate, this double power supply false switching mechanism's dc MCC control cabinet with preventing, avoid the problem that hollow connecting rod movement stroke is consumed and cannot drive latch handle to complete closing action in time due to the wear and tear of connecting portion.
Owner:NINGBO LIXIN DISTRIBUTING CABINET WORKS

A pre-buried adjustable expansion depth expansion bolt assembly

PendingCN122383756AWill not hinder normal expansion actionavoid entering
The application discloses a pre-buried adjustable expansion depth expansion bolt assembly and belongs to the technical field of expansion bolts, which comprises a spring pad, a flat pad, a pre-buried sleeve, a hexagonal nut, an expansion sleeve, an expansion cone, an adjusting screw rod and a sealing end cover. In order to overcome the defects of the prior art, such as the damage to the concrete structure and the internal steel bars caused by the post-construction of the expansion bolt, the fixed and unadjustable expansion depth of the pre-buried anchor bolt, the jamming of the adjusting mechanism caused by the cement seepage due to the unreliable sealing of the plastic film during the pouring process, and the loosening of the anchoring force under long-term vibration, the application provides the pre-buried adjustable expansion depth expansion bolt assembly, so that the expansion depth of the expansion bolt on the market can be flexibly adjusted according to the actual wall thickness or the size of the decorative layer under the premise of pre-buried installation, the problems of the poor stability of the sealing end cover during the pouring process, the cement leakage caused by the poor stability of the sealing end cover, the single anchoring force between the expansion sleeve and the concrete and the insufficient long-term reliability of the expansion sleeve and the concrete are solved.
Owner:HEBEI ZHONGXIANG FASTENER MFG CO LTD

Transmission device of electric control mechanism for isolating switch

The invention discloses a transmission device of an electric control mechanism for an isolating switch, the transmission device comprises an isolating base, a transmission assembly and a locking assembly, when the transmission device is connected, a lifting moving block moves downwards, and a driving connecting rod and an insulating connecting rod drive a switch blade to rotate downwards to a horizontal state to realize circuit connection; in the process, the locking moving rod automatically moves towards the direction of the knife switch and completes limiting, and the knife switch is prevented from being turned upwards accidentally to be disconnected. During disconnection, the lifting moving block firstly moves downwards, the locking moving rod is driven by the moving sleeve to automatically release limiting, then the lifting moving block moves upwards, the knife switch is driven to rotate upwards to achieve disconnection, automatic locking during connection and automatic unlocking before disconnection are achieved through pure mechanical linkage, an electromagnetic lock or an electrical control element is not needed, electrical fault points are reduced, and the reliability of the device is improved. The reliability of long-term operation under severe working conditions is remarkably improved, accidental disconnection of the knife switch caused by vibration or misoperation is effectively prevented through mechanical limiting, and the stability of circuit connection and operation safety are guaranteed.
Owner:HEBEI YOUCHUANG ELECTRIC CO LTD

A heat storage system for pumping large flow of high temperature molten salts

PendingCN122504945Aavoid it happening againAvoid the risk of outagesIsolation valveNuclear power
This invention discloses a thermal energy storage system for pumping large-flow-rate high-temperature molten salt, relating to the fields of solar thermal power generation, nuclear power, and thermal power energy storage. It includes a main molten salt storage tank, a stabilizing tank, a horizontal storage tank, a main circulating molten salt pump, and a salt-reducing temperature-regulating pump. The main molten salt storage tank is connected to the stabilizing tank via multiple pipelines. The outlet of the stabilizing tank is directly connected to the suction inlet of the main circulating molten salt pump via a pipeline equipped with an isolation valve and an air cooler, stabilizing the pump suction flow and enabling large-flow-rate molten salt pumping. The arrangement of one or more pipelines between the main molten salt storage tank and the stabilizing tank reduces the height of unusable molten salt in the main molten salt storage tank, saving costs. An air cooler is installed after the stabilizing tank to ensure safe isolation during isolation valve maintenance. This invention addresses the need for pumping large-flow-rate high-temperature molten salt in solar thermal power plants or nuclear power plants of 350MW or above, while also adapting to the requirements of long-term, uninterrupted low-speed pump operation.
Owner:JIANGSU FEIYUE PUMP CO LTD

High-power closed cathode air-cooled fuel cell metal bipolar plate, electric pile, system and design method

The invention belongs to the technical field of fuel cells, and particularly relates to a high-power closed cathode air-cooled fuel cell metal bipolar plate, an electric pile, a system and a design method.The metal bipolar plate specifically comprises an anode plate, a cooling plate and a cathode plate which are arranged in an upper-layer structure, a middle-layer structure and a lower-layer structure; a plurality of anode runners for anode fuel gas to flow are arranged in the anode plate; a plurality of cathode runners for cathode reaction air to flow are arranged in the cathode plate; a plurality of cooling straight flow channels for cooling gas to flow are formed in the cooling plate; the effects of high power density and low cathode voltage of the fuel cell are achieved by a regionalized metal bipolar plate configuration, and the problems of high parasitic power consumption and the like of an air compressor caused by low power density and large cathode voltage drop of the fuel cell under a high-power working condition in the prior art are effectively solved.
Owner:TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY +1

Compact pre-installed metal closed ring cage

This invention discloses a compact prefabricated metal enclosed ring main unit, relating to the field of ring main unit technology. It solves the problems of existing technologies, such as difficulty in balancing heat dissipation and protection, inconvenient disassembly and maintenance, and high maintenance costs. The invention includes an outer protective cover; a ring main unit housed within the outer protective cover; an electric lifting cylinder fixedly mounted on the top surface of the outer protective cover, with its piston rod connected to the top surface of the ring main unit for driving the ring main unit to extend or retract into the outer protective cover; and a heat dissipation device comprising a curved heat dissipation pipe fixed within the outer protective cover and movably embedded in the bottom surface of the outer protective cover. Through the coordinated design of the lifting structure and the heat dissipation device, this invention achieves automatic heat dissipation during operation and protection during non-operational states. It features a compact structure, high heat dissipation efficiency, and good protective performance, making it suitable for compact outdoor power distribution scenarios.
Owner:CHANGSHA JUSHAN ELECTRIC POWER TECH CO LTD

Adaptive temperature control system and method for ensuring stable output power of pump laser

ActiveCN120978514BStable output powerActively compensates for the effects of thermal loads
The application provides a kind of self-adaptive temperature control system and method of pump laser for guaranteeing output power stability, and relates to the technical field of laser temperature control.The method comprises the following steps:step S1: calculating the current temperature difference and the real-time change rate of pump laser output optical power;step S2: judging whether the current temperature difference exceeds the temperature difference threshold;step S3: confirming whether the real-time change rate of the current pump laser output optical power exceeds the output optical power change rate threshold;step S4: if the real-time change rate of the current pump laser output optical power exceeds the output optical power change rate threshold, the current temperature control target is issued to the temperature control execution module and the temperature control is started;step S5: repeating the above steps S1 to S4.The system comprises a processor, a detection module and a temperature control execution module.Based on this, the application solves the problem that the existing TEC temperature control system and method cannot adapt to environmental temperature changes, thereby making it difficult to effectively guarantee the stability of pump laser output power.
Owner:SHANDONG ZHONGKEJILIAN OPTOELECTRONIC INTEGRATED TECH RES INST CO LTD

A powder coating and its preparation method

ActiveCN121873623BEliminate Interface DefectsImprove impact resistanceElastomerCoated surface
This invention discloses a powder coating and its preparation method, belonging to the field of powder coating technology. The powder coating comprises a composite filler with a core-shell-whisker structure. The composite filler includes: a core layer, which is a one-dimensional inorganic thermally conductive material; an intermediate layer, which is composed of polydopamine and coated on the outer surface of the core layer; and an outer shell layer, which is composed of a reactive elastomer and chemically grafted onto the outer surface of the intermediate layer. This invention also discloses the preparation method of the powder coating and its application in electrical insulation components. By constructing a core-shell-whisker structure composite filler and using polydopamine as the intermediate layer to chemically graft reactive elastomer onto the surface of a one-dimensional inorganic thermally conductive material, this invention achieves a synergistic improvement in mechanical properties, thermal conductivity, and insulation properties, and endows the coating surface with self-healing scratches.
Owner:LUOYANG WOLE POWDER CO LTD

Magnet pre-embedded integrated trip arm and injection mold therefor

The utility model discloses a magnet pre-embedded integrated tripping arm and injection mold for it, can ensure the accurate positioning of magnet. Injection mold includes: first mold part has first side portion inner insert piece, second mold part has second side portion inner insert piece, first axial inner insert piece and second axial inner insert piece are coaxially arranged with first axial inner insert piece, and first axial inner insert piece and second axial inner insert piece form second cavity for accommodating magnet and shaping magnet support seat with first side portion inner insert piece and second side portion inner insert piece, wherein, one end of first axial inner insert piece forms coaxial positioning structure for engaging with axial end of magnet.
Owner:SHANGHAI SIEMENS CIRCUIT PROTECTION SYST

High-reliability HBM bonding process implementation method

PendingCN122288341ASolve the problem of difficult defect management and controlImprove defect detection rateMicron scaleBonding process
This invention belongs to the field of communication automation technology and discloses a method for implementing a high-reliability HBM bonding process. The invention covers the entire HBM bonding process from wafer pretreatment and precise bonding to post-processing stress control by constructing three core modules: precise pretreatment of the bonding surface, high-precision bonding of heterogeneous wafers, and dynamic stress control after bonding. Employing core technologies such as precise detection and repair of micro-defects on the bonding surface, sub-micron-level alignment of heterogeneous wafers, and dynamic calculation and compensation of bonding interface stress, it overcomes the industry bottlenecks of traditional HBM bonding processes, including "difficulty in controlling bonding surface defects, low alignment accuracy, and easy interface stress failure." It achieves high-cleanliness pretreatment of the HBM bonding surface, sub-micron-level precise bonding of heterogeneous wafers, and dynamic adaptation and control of interface stress after bonding, significantly improving the yield, interface bonding strength, and long-term operational reliability of HBM bonding, thus meeting the advanced packaging requirements of next-generation high-bandwidth memory chips.
Owner:TIANJIN SAIWEI IND TECH CO LTD

A 3D-printed hollowed-out cone-shaped solar interface evaporator with directional salt formation function, its preparation method and application

This invention relates to the field of materials technology, and more particularly to a 3D-printed, internally hollowed-cone solar interface evaporator with directional salt deposition function, its preparation method, and its application. The invention includes step 1: three-dimensional model construction; step 2: substrate surface pretreatment and chemical activation; and step 3: hydrothermal preparation of a Co-Bi-S coating. This invention uses a 3D-printed porous, internally hollowed-cone resin device as a substrate, and grows a Co-Bi-S coating in situ on its surface using a hydrothermal method. This coating exhibits both excellent photothermal conversion performance and corrosion resistance. The evaporator structure is designed as a porous, internally hollowed-cone shape, which provides a larger evaporation area, stronger light capture and focusing capabilities, and can achieve higher evaporation temperatures and directional salt deposition effects. The prepared solar interface evaporator exhibits excellent photothermal conversion performance and water evaporation efficiency, and also demonstrates good structural stability and corrosion resistance. This solves the technical problems of low photothermal conversion efficiency and poor stability in high-salt environments inherent in traditional solar evaporators, making it suitable for applications such as seawater desalination.
Owner:NANTONG UNIV

A method for solving the along-stream parameters of one-dimensional constant cross-section adiabatic friction pipe flow

The application relates to a one-dimensional isometric adiabatic friction pipe flow parameter solving method. The method comprises the following steps: collecting the total pressure, total temperature, outlet back pressure and gas mass flow of a pipeline inlet by using a non-intrusive system; iteratively solving the inlet Mach number by using a compressible flow control equation, and calculating the inlet static pressure and static temperature; comparing the outlet critical pressure with the back pressure to judge the flow jam state and determine the outlet boundary condition; combining the boundary condition to solve the outlet Mach number, total pressure and static temperature; solving the total average friction coefficient according to the limit pipe length theorem; setting a step length, taking the inlet Mach number as an initial condition, iteratively solving the along-path Reynolds number by using a fourth-order Runge-Kutta method and correcting the along-path Reynolds number to obtain the along-path distribution of the Mach number; iteratively solving the along-path distribution of the static pressure and velocity based on a gas dynamics method; comparing the predicted value with the measured value of the outlet static pressure, and outputting the along-path curve and the average friction coefficient. The method can obtain the along-path distribution of the one-dimensional isometric adiabatic friction pipe flow parameter.
Owner:NAT UNIV OF DEFENSE TECH

Device deployment and long-term self-maintenance method and device, computer device, computer readable storage medium and computer program product

The application relates to a device deployment and long-term self-maintenance method, device, computer equipment, computer readable storage medium and computer program product. The method comprises the following steps: obtaining a device running state, an installation relationship state, a calibration reference state and a reference archive state of a measuring device; determining an installation relationship parameter of the measuring device according to the installation relationship state, comparing the installation relationship parameter with a standard installation state of the measuring device, and obtaining a deployment health state of the measuring device; establishing a calibration reference archive of the measuring device according to the calibration reference state and the reference archive state; analyzing the device running state to obtain a component health state of the measuring device; performing device health self-maintenance or calibration maintenance on the measuring device according to the component health state, the deployment health state and the calibration reference archive, and outputting a maintenance action result. The application can improve the efficiency and accuracy of device maintenance.
Owner:SHENZHEN YUANWANG FUTURE TECHNOLOGY CO LTD

Cosmetic filling control method based on large model mapping knowledge domain

The invention relates to the technical field of filling automation control, in particular to a cosmetic filling control method based on a large model knowledge graph, which comprises the following steps: acquiring an actual filling rate to determine a dynamic filling efficiency index, and determining whether the filling efficiency is stable based on the dynamic filling efficiency index. Determining the abnormal level of the filling efficiency in combination with the nitrogen filling response delay; determining that the filling efficiency is reduced due to the fact that moisture absorption raw material components are influenced by environmental factors to change the viscosity of a material body based on the combination of the viscosity-temperature sensitivity coefficient and the actual viscosity of a product and the environmental humidity, and adjusting a temperature set value of a compression area; the actual response time for adjusting the nitrogen flow is obtained to determine a response efficiency index, whether the comprehensive efficiency of nitrogen charging meets the expectation or not is determined based on the response efficiency index, and the calibration delay for determining the abnormal level of the filling efficiency is adjusted. The filling process is regulated and controlled on the basis of the product characteristics of cosmetics needing to be filled and the characteristics of filling equipment.
Owner:GUANGZHOU JINNUODA INFORMATION TECH CO LTD

An intelligent dispatching method and system for power grid security based on multi-source data analysis

PendingCN122638997AGuaranteed normal consumptionGuaranteed operating economyData setExtreme weather
The application relates to a smart scheduling method and system for power grid safety guarantee based on multi-source data analysis, relates to the technical field of power grid scheduling, builds a high-precision space-time evolution digital twin power grid model, fuses four-dimensional multi-source fusion data sets generated by five types of data such as power grid operation, equipment health and extreme weather, adopts a space-time attention graph convolutional neural network to perform multi-scale safety situation assessment, and outputs node-level, regional-level and system-level safety margins and progressive risk prediction results in the future 1-72 hours; a dynamic weight generator driven by a safety situation is constructed to automatically adjust the weights of five optimization objectives; a constraint self-adaptive multi-objective optimization model is solved to obtain a Pareto optimal solution set, an optimal scheme is selected after multi-scenario robustness simulation, and a closed-loop self-adaptive mechanism is established to continuously optimize the core model. The application solves the problems of single traditional scheduling target and poor adaptability, and significantly improves the safety, economy and anti-risk ability of power grid operation.
Owner:KAIFENG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER

Data storage method, electronic equipment and storage medium

The invention relates to the technical field of storage management, and discloses a data storage method, electronic equipment and a storage medium. The data storage method comprises the steps that when data reading operation is executed every time, the number of ECC error correction bits generated by the current data reading operation is determined, if the number of the ECC error correction bits is larger than a risk threshold value, it is judged that a storage block corresponding to the current data reading operation is a risk block, and preset risk response operation is executed on the risk block; and when data is to be written, selecting a target storage block from the storage blocks in the idle state at present according to the historical erasing times and the historical erasing time consumption data, and executing data writing operation on the target storage block. According to the embodiment of the invention, the risk block can be found and isolated in advance, the sudden data reading error is avoided, the long-term operation reliability of the system is improved, the maximum utilization of the memory is realized, the environmental change can be adaptively coped, and the wear leveling is ensured to be always based on the optimal physical index.
Owner:南昌勤胜电子科技有限公司

High frequency response electromagnetic valve with anti-blocking and self-cleaning functions

The utility model belongs to solenoid valve field especially possesses the high frequency response solenoid valve of anti -blocking self -cleaning function, to the existing solenoid valve when conveying the fluid containing impurity (such as tap water, industrial medium etc.), impurity is easy to accumulate in the valve body, lead to the valve core jam, sealing surface wear or flow reduction, influence solenoid valve's performance and life, traditional solenoid valve lacks effective anti -blocking and self -cleaning function, needs to frequently disassemble and wash, and the maintenance cost is high problem, present and propose following scheme, it includes solenoid valve main part and connecting pipe, the both ends of solenoid valve main part are import and export respectively, through processing mechanism can intercept the particulate matter in fluid, impurity, reduce the impurity from the source into solenoid valve main part inside, avoid the valve core jam, sealing surface wear or flow channel block, prolong the service life of solenoid valve, through the inlet pipe and the discharge pipe access external flushing water source, can reverse flushing to filter screen, carry out self -cleaning, need not to disassemble.
Owner:FOSHAN CITY SHUNDE DISTRICT CHENGYU HYDRAULIC ELECTROMECHANICAL

Intelligent monitoring of bridge bearing systems

The application relates to the field of bridge support monitoring, in particular to an intelligent monitoring bridge support system. The intelligent monitoring bridge support system comprises a pot support body, a mechanical displacement monitoring assembly and a multistage vibration sensing unit. The pot support body comprises an upper plate, a spherical crown lining plate and a bottom plate, wherein the upper plate is bolted to a bridge beam body, and the bottom plate is fixed to a pier base through an anchoring piece. At least one set of telescopic guide rods is installed at the outer edge of the bottom plate, and the outer ends of the guide rods are connected to displacement reflection plates through polyurethane buffer pads; a reference platform is arranged on the corresponding upper plate, and the reference platform is in contact with the displacement reflection plates. The support system combines multistage vibration sensing and optical displacement monitoring structures, thereby simplifying the hardware configuration and reducing the overall cost.
Owner:HENGSHUI HONGXIANG BRIDGE ENG MATERIALS TECH CO LTD

Single-phase photovoltaic energy storage converter and control method thereof

The application discloses a single-phase photovoltaic energy storage converter and a control method thereof, relates to the technical field of photovoltaic charging and discharging control, and comprises a front-stage bidirectional power conversion unit, a rear-stage single-phase inversion unit, an integrated main control unit and a wide-voltage adaptation control unit. The input end of the front-stage bidirectional power conversion unit is used for being connected with a direct-current power supply, and the output end is connected with the direct-current bus end of the rear-stage single-phase inversion unit. The output end of the rear-stage single-phase inversion unit is used for being connected with a power grid or a load. The integrated main control unit is electrically connected with the front-stage bidirectional power conversion unit, the rear-stage single-phase inversion unit and the wide-voltage adaptation control unit respectively, and is configured to perform integrated collaborative control of double-mode switching, power conversion, battery management and energy scheduling. The wide-voltage adaptation control unit is connected with the front-stage bidirectional power conversion unit, and the front-stage bidirectional power conversion unit is configured to work in full-condition soft switching within a wide direct-current input voltage range.
Owner:QINGHAI ELECTRIC POWER ENERGY SAVING SERVICE +1

An integrated thermal management system for a modular steel cabin and a control method thereof

The application relates to the technical field of modular cabin temperature control, and discloses an integrated thermal management system for a modular steel cabin and a control method thereof, the system comprising a main refrigerant circuit, a human cabin water circulation circuit, a plate heat exchanger coupling the two, a fluorine path electromagnetic valve arranged on a refrigerant pipeline leading to the plate heat exchanger, and an intelligent controller, the core of which is that the intelligent controller is configured to, when the system is in a refrigeration mode and it is judged that the human cabin temperature demand has been met while the equipment cabin has a heat dissipation demand, execute cooperative control: keeping the compressor in the main refrigerant circuit running while closing the fluorine path electromagnetic valve. Through the above-mentioned cooperative control logic, the refrigeration capacity is dynamically transferred from the human cabin which has met the demand to the equipment cabin, the compressor is prevented from frequently starting and stopping, the energy utilization efficiency and system operation stability are significantly improved on the basis of not increasing the hardware cost, and the system structure is simplified.
Owner:SUZHOU QUICK TEMPERATURE CONTROL TECH CO

Power grid stability-oriented oil-immersed transformer scheduling and response system and method

The invention relates to the technical field of transformer scheduling, in particular to an oil-immersed transformer scheduling and response system and method for power grid stability, and the method comprises the following steps: synchronously collecting the real-time operation state data and environmental meteorological data of a transformer; dynamically correcting a heat dissipation coefficient of a transformer thermal model based on the real-time air pressure; a winding hot-spot temperature dynamic change track is generated through the transformer thermal model; based on the dynamic change track, the multi-dimensional dynamic hot redundancy is calculated in parallel; taking the multi-dimensional dynamic hot redundancy as a core constraint, performing rolling optimization scheduling through model prediction control, and generating a coordination control instruction of the transformer and the new energy station by taking maximization of the total consumption amount of the new energy and minimization of the load fluctuation of the transformer in a scheduling period as optimization objectives; and executing the coordination control instruction to dynamically adjust the operation state of the power grid. According to the invention, collaborative improvement of transformer dynamic load safety and new energy efficient consumption can be realized.
Owner:HENAN TIANLI ELECTRIC EQUIP

Visual tactile sensor and detection method thereof

The invention relates to a visual tactile sensor and a detection method thereof. The visual tactile sense detection method is applied to a visual tactile sense sensor capable of carrying out photometric stereo and volume phase scattering comprehensive calculation according to the distribution condition of scattering media in the visual tactile sense sensor, and comprises the following steps: configuring a light source to illuminate a soft elastomer in the visual tactile sense sensor; collecting a visual change image of the scattering medium in the soft elastomer caused by contact deformation of the soft elastomer; and performing photometric stereo and volume phase scattering comprehensive calculation on the visual change image to obtain mechanical characteristics and / or deformation characteristics of contact deformation of the soft elastomer. According to the application, the scattering medium in gradient distribution is constructed in the soft elastomer, and a vulnerable surface reflecting film is replaced by a volume phase scattering mechanism, so that the durability and environmental adaptability of the sensor are remarkably improved. And the gradient distribution of the scattering medium forms sensitivity layering, so that high-sensitivity and wide-range detection is realized.
Owner:NANJING YIMU INTELLIGENT TECHNOLOGY CO LTD +2

Method for manufacturing an insulated winding and transformer winding

PendingCN122511742AImprove the problem of being unable to adapt to local working conditionsImprove adaptability
The application discloses a manufacturing method of an insulation winding and a transformer winding, and relates to the field of transformer winding manufacturing technology.The manufacturing method comprises the following steps: establishing a three-dimensional multi-physical field simulation model of a transformer, performing electric-thermal-mechanical multi-physical field coupling simulation, and obtaining environmental characteristic data of a winding conductor at each position on the three-dimensional space track of the winding conductor, wherein the environmental characteristic data at least comprises temperature distribution, stress distribution and electric field intensity distribution.Based on the electric-thermal-mechanical multi-physical field coupling simulation result, the application customizes a differentiated insulation layer for different length positions of the winding conductor, so that the insulation performance is accurately matched with the temperature, stress and electric field distribution of each region inside the transformer, the problem that a traditional uniform insulation structure cannot adapt to local working conditions is improved, the disadvantages of excessive or insufficient insulation performance of local regions are solved, and the adaptability of the insulation system to the actual operation working condition of the transformer is improved.
Owner:SIBILI NEW MATERIALS (XINJIANG) CO LTD

A variable-diameter adaptive X-ray fluoroscopic inspection platform

PendingCN122505942AGuaranteed synchronization accuracycompact structure
This invention belongs to the field of X-ray nondestructive testing technology, and particularly relates to a variable-diameter adaptive X-ray fluoroscopic inspection platform. It includes an inspection platform, a column, a lifting screw, and mounting bases. A downward-opening semi-circular hollow stator disk is connected between two mounting bases, and a rotor disk is rotatably mounted inside the stator disk. Radial guide grooves are formed on the stator disk, and corresponding arc-shaped cam grooves are formed on the rotor disk. Slide seats are slidably connected within both the grooves and the cam grooves. By adjusting the motor to drive the worm gear transmission, the rotor disk rotates, and the arc-shaped cam grooves push each slide seat to slide synchronously radially along the radial guide grooves, achieving multi-point synchronous diameter change from a single drive source. The X-ray source and detector are mounted on the slide seats, maintaining a positive-relative scanning configuration at all times, eliminating image distortion and detection blind spots inherent in traditional L-shaped architectures. This invention features a simple and reliable structure, adaptively adjusts the inspection aperture, accommodates both large-diameter vehicles and small-diameter vehicles, and is suitable for efficient passage of multiple vehicle types in mixed traffic.
Owner:CHINA WATERBORNE TRANSPORT RES INST

Spring operating mechanism and method for circuit breaker

The application discloses a spring operating mechanism and method for a circuit breaker, and belongs to the technical field of circuit breakers, which comprises a clamp plate type frame, an energy storage to position clutch, a closing holding and a manual closing soft interlocking device, the clamp plate type frame is fixedly connected by opposite first and second side plates through a supporting piece; an energy storage motor of an energy storage transmission device is connected with an energy storage shaft through a transmission assembly, a cam is arranged on the shaft, and an energy storage holding buckle is arranged; the energy storage to position clutch device is a one-way clutch assembly connecting the transmission assembly and the energy storage shaft; the closing holding device comprises a hinged opening release assembly, a reset elastic piece and a linked output shaft; the manual closing soft interlocking device comprises a sliding manual operating assembly, a closing trigger piece and an interlocking assembly, and is matched with the energy storage holding buckle; the problems of the existing spring operating mechanism for the circuit breaker, such as the reliability, structure, cost or precision related defects of the energy storage clutch device, the manual closing mechanical interlocking, the closing holding structure and the modular mechanism cooperation are solved.
Owner:XIAN HERO SWITCHGEAR CO LTD

E2400 electrically-driven precision seeding operation monitoring terminal

PendingCN122085307AEliminate slippage errorsEnsure vehicle speed accuracySowingOptical detectionAgricultural scienceRadar
The invention provides an E2400 electrically-driven precision seeding operation monitoring terminal, and relates to the field of medical apparatuses and instruments. The terminal adopts a five-layer architecture of'perception-control-execution-interaction-cloud platform ', the core innovation lies in that traditional mechanical transmission and land wheel speed measurement are abandoned, a Beidou satellite positioning speed measurement unit and a millimeter wave speed measurement radar are integrated to form double speed measurement sources, and non-contact accurate speed measurement is realized; 24 rows of seeding and fertilizing execution mechanisms are driven in an electric-direct-drive mode, and sensors such as a seed induction grating and a fertilizing probe are matched to construct a whole-process real-time monitoring and intelligent alarm system. The speed measurement precision reaches the centimeter level, the miss-seeding / re-seeding recognition precision is larger than or equal to 99.5%, the plant spacing deviation is smaller than or equal to + / -3%, the seed and fertilizer saving rate is 10%-15%, the maintenance cost is reduced by 60% or above, the operation efficiency is improved by 30%, the method is suitable for scenes such as large-scale planting bases and agricultural synergy, and the precision, intelligence and universality of seeding operation are remarkably improved.
Owner:YUANSHI (JIANGSU) AGRICULTURAL MACHINERY CO LTD

Flue gas denitration self-adaptive ammonia spraying device

The invention discloses a self-adaptive ammonia spraying device for flue gas denitrification, relates to the technical field of flue gas denitrification environmental protection, and is used for improving the denitrification efficiency. In the device, a cooperative control framework of static hardware matching and dynamic software adjustment is constructed by the flue gas denitration self-adaptive ammonia spraying device, so that complex online mechanical adjustment is converted into external fluid control, and the problems of jamming and abrasion in a high-temperature and high-dust environment are solved by utilizing a fixed gap unit without a movable component; therefore, the long-term operation reliability of the flue gas denitration self-adaptive ammonia spraying device is improved. And meanwhile, by combining the fusion calculation of the AI model on the multi-source data and a double-level intelligent diagnosis early warning mechanism, the dual self-adaption of the ammonia spraying strategy on the space non-uniformity and the time change is realized, so that the denitration efficiency is improved on the premise of improving the stability of the flue gas denitration self-adaptive ammonia spraying device.
Owner:TIANJIN GUOLIAN ENERGY TECH CO LTD