19results about How to "Meet practical application needs" patented technology

This invention relates to the technical field of fire hydrants and discloses an intelligent fire hydrant with water consumption monitoring function, comprising: a hydrant end cap at the upper end of the hydrant body assembly, and an equipment assembly installed inside the hydrant end cap; a transparent detection window on the hydrant body assembly, a rod inside the transparent detection window, a central rotating shaft installed on the inner side of the transparent window assembly, and a rotating scraper on the central rotating shaft; the rod can detect the water level in the hydrant body in real time, and the rotating scraper can clean the dirt on the surface of the transparent window assembly; this invention, through the coordinated linkage structure of the float, rod, and float plate inside the transparent detection window, combined with the visual observation slot design of the transparent window assembly, realizes real-time accurate monitoring and intuitive visual feedback of water consumption in the fire hydrant, effectively solving the technical pain points of traditional fire hydrants lacking convenient monitoring methods and having difficulty in accurately controlling water consumption.

The application belongs to the field of smart fibers and flexible electronics, and relates to an integrated circuit fiber and a preparation method thereof. The fiber contains electronic components integrated in a single fiber, and the electronic components are composed of multiple functional layers serving as components of the fiber and extending along the axial direction of the fiber. The integrated circuit fiber includes two types of integration schemes: one is a two-dimensional grid structure of multiple electronic components arranged radially side by side, and the electronic components can be electrically interconnected or isolated; the other is a radial stacking structure of a single electronic component, which can be adapted to five types of functional units, including electroluminescence, resistance-capacitance processing, capacitance sensing, transistors and organic electrochemical diodes. The preparation method comprises the following steps: a multi-channel microfluidic chip is used, multiple spinning solutions are injected into different channels, the spinning solutions in some channels are periodically turned on and off, the flow rates of the channels are independently controlled, the solutions are combined to form a multi-layer laminar flow structure, and the product is obtained through solidification in a coagulation bath, cleaning and drying. The application realizes high-density and high-stability functional integration in a single fiber.

This invention relates to a high-precision data acquisition, processing, and magnetic field drive system, mainly comprising a data acquisition module, a processing module, a magnetic field drive module, a power supply module, and a host computer. The data acquisition module converts external analog signals into digital signals and transmits them to the processing module. The processing module includes a processing unit, a high-stability temperature-controlled crystal oscillator, an external clock signal interface, a DDR chip, Flash memory, a high-speed connector, and a digital power supply module. This module performs digital processing such as filtering and phase-locked loop (PLL) on the signals. The host computer can communicate with the FPGA core processing module via both Ethernet and serial ports to control the bias, amplitude, and frequency of the signals generated by the magnetic field drive module, display the read-back online data, and generate real-time curves. This invention realizes a low-cost, high-precision NMR gyroscope magnetic field control system, achieving high-precision closed-loop control of the NMR gyroscope's magnetic field.

This utility model relates to the field of desk technology, and discloses a student desk designed to prevent myopia, including a desk body; two sets of mounting bases installed on both sides of the desk body; support rods installed on the mounting bases; and a connecting rod between the two sets of support rods. The mounting bases are fixed to the side of the desk body with screws. This student desk, by using snap-fit ​​connectors to install the connecting rod between the two sets of support rods, forms a guardrail, effectively preventing students from studying in a posture of lying on the desk body or too close to it. This design guides students to maintain correct viewing distance and reading posture, reduces prolonged close-range eye use, effectively reduces the risk of myopia, improves the efficiency of the device, and meets practical application needs.

This invention discloses a filtering device suitable for mobile phone shielding, comprising a connector, a tube, a first conductive element, a second conductive element, and a tubular ceramic capacitor. The connector includes a metal housing and a conductive core disposed within it. The tube is also made of metal, with its front end connected to the rear end of the connector housing. The first conductive element passes through the tube axially from within it, without contacting the tube. The front end of the first conductive element is connected to the conductive core of the connector. The second conductive element is disposed outside the tube, with its front end connected to the connector housing. The tubular ceramic capacitors are connected in series with the first conductive element, with at least one of them sealing the rear end of the tube. The casing of the tubular ceramic capacitor includes a conductive portion connected to the tube. Compared with existing technologies, this filtering device not only performs better in high-frequency filtering and electromagnetic shielding, but its structural design is also simpler and more practical.

This invention relates to a method, device, and medium for multi-agent coverage search and task allocation path optimization. The specific method includes: scenario construction and problem description, which describes the characteristics of the task area, the attributes of agents and targets, and clarifies the area coverage search problem and the target task allocation problem; area coverage model design, which establishes a minimum task time model objective function and constraints, and then solves the area coverage model; and task allocation strategy and path planning algorithm, which, considering agent speed and target attributes, combines a greedy strategy and a genetic algorithm to allocate target exploration tasks to agents, optimize target exploration paths, and reduce total task time. Compared with existing technologies, this invention improves the efficiency of marine area search and target exploration through multi-agent cooperation, achieving full area coverage search and accurate target exploration.

The present application relates to the technical field of protein engineering and computational biology, and particularly relates to a fusion evolutionary information Monte Carlo optimization protein thermostability screening method, screening of candidate mutation sites with potential thermostability improvement effect, and determining the allowed mutation set of each candidate mutation site; based on the determined candidate mutation site, a constrained mutation combination space is constructed, and a mutation combination set is generated through a reproducible random sampling strategy; energy scores of each mutation combination are obtained, a Monte Carlo search algorithm is used to iteratively optimize the candidate mutation combination, the optimal candidate mutation combination is screened, and the optimal candidate mutant is determined; molecular dynamics simulation is performed on the optimal candidate mutant, and a protein mutant with actual thermostability improvement is verified and determined through a structure stability index, and the screening efficiency is significantly improved.

The utility model discloses a small -size workpiece automatic feeding and discharging mechanical hand belongs to workpiece processing technical field. A small -size workpiece automatic feeding and discharging mechanical hand, including guide frame, the both sides of first mobile seat and second mobile seat all are equipped with fixed bolster, and the outside installation of fixed bolster has adjustment arm and movable arm, and the lower end swing joint of movable arm has grab pole and clamping head, and the upper end of first mobile seat and second mobile seat all are equipped with lifting chuck. The utility model solves the problem that the workpiece both sides are inconvenient to hold, and the feeding and discharging work is affected in the actual use process of existing feeding and discharging mechanical hand, the utility model adjusts according to different small -size workpiece, and first mobile seat and second mobile seat adapt to workpiece width to satisfy the actual application demand, and simple structure is connected truss at the bottom of connecting seat, can carry out multi -shaft adjustment work, and the overall height of guide frame is adjusted by collocating hydraulic cylinder, and the adaptability is wide.

This invention relates to the field of pressure-sensitive adhesive products, specifically a high-speed computer embroidery double-sided tape and its preparation method. The tape includes an acrylate pressure-sensitive adhesive layer, which is prepared from raw materials comprising the following parts by weight: soft monomer components: 10-20 parts butyl acrylate, 20-35 parts isooctyl acrylate; hard monomer components: 1-5 parts methyl methacrylate, 1-3 parts methyl acrylate, 3-5 parts vinyl acetate; functional monomer components: 1-3 parts acrylic acid, 1-3 parts hydroxyethyl acrylate; solvent 60-100 parts, initiator 0.2-0.8 parts, chain transfer agent 0.01-0.1 parts, tackifying resin 5-15 parts, and curing agent 0.5-2 parts; the softening point of the tackifying resin is 80-120℃. By comprehensively optimizing the product formulation system, the provided tape fully adapts to the application needs of the high-speed computer embroidery industry across all scenarios.

This application discloses a method, storage medium, and server for handling upgrade anomalies of smart devices, relating to the field of smart home technology. It aims to solve the problem of reducing the cost of handling upgrade anomalies of smart devices. The method includes: in response to a smart device upgrade anomaly, obtaining the upgrade anomaly code reported by the smart device; determining whether the upgrade anomaly code meets a first preset condition; if it does, adding the smart device to a device upgrade blacklist; and setting removal conditions to determine whether the smart device can be removed from the device upgrade blacklist under the preset conditions. In this way, the specific reason for the upgrade anomaly can be understood based on the upgrade anomaly code, allowing for differentiated processing of the anomaly-affected smart devices. Simultaneously, setting removal conditions establishes a mechanism for automatically removing smart devices from the device upgrade blacklist, improving the intelligence level of upgrade anomaly handling, reducing the manual cost of device upgrade anomaly handling, and expanding the coverage of device upgrade services.

The application provides a kind of image recognition method of robot for home environment, belong to image processing technical field, specifically include: S1: the RGB-D camera of robot shoots the image under home environment, will RGB-D camera registration;S2: the image of registration in S1 is preprocessed, and improved image is obtained H ( x, y );S3: the improved image H ( x, y ) format conversion, is converted into normalized image;S4: neural network improvement;S5: the normalized image is input into improved neural network, and the object is identified by improved neural network.The application can realize high-precision identification and positioning of characters, medicines, furniture and obstacles and other targets in complex home environment, improve the environmental perception and autonomous decision-making ability of robot in indoor scene.

The utility model provides a kind of chuck quick-change device, it is related to the material transfer tooling module of automation production equipment technical field, including male seat module, female seat module, air cock and gas joint. Male seat module is equipped with protruding part, protruding part outer wall is equipped with clamping groove, and inside is equipped with first air passage;Female seat module is equipped with limiting groove and the second air passage being communicated with limiting groove, and limiting groove inner wall is equipped with elastic clamping part, protruding part is inserted with limiting groove and is matched, and elastic clamping part is elastically clamped with clamping groove, and the second air passage is communicated with first air passage;Suction nozzle is located in male seat module, and is communicated with first air passage;Gas joint is located in female seat module and is communicated with second air passage.The utility model is inserted by protruding part of male seat module and limiting groove of female seat module, and is installed using elastic clamping part and clamping groove elastic clamping, and good fixing effect, and also can be pulled out by external force, convenient to assemble and disassemble, without additional tool, efficiency is higher, component is not damaged in assembling and disassembling process, and maintenance cost is reduced.

A retrofit method of a fluorescent lighting device, comprising the steps of: removing a lampshade and a fluorescent tube from a base of the lighting device; disconnecting a ballast from a power cord of the lighting device; rotatably connecting one end of a support frame to one end of the base and fixing two ends of a safety rope to the other end of the support frame and the other end of the base, respectively; placing a lamp body into the support frame and connecting a power module of the lamp body to the power cord; pushing the support frame so that the lamp body completely covers the base; and rotating a rotation fixing knob arranged on the support frame to fix the support frame and the base to each other by the rotation fixing knob.

This invention proposes a dual-modal ship target detection method and system based on physical characteristic verification. The invention includes: acquiring registered RGB and IR images; extracting multi-scale features from the RGB and IR images using a dual-backbone network; detecting heat sources and cold spots based on multi-scale Gaussian difference; eliminating environmental influences through adaptive temperature normalization; applying a physical constraint attention mechanism for cross-modal fusion at the multi-scale feature layer. This mechanism includes four ship-specific physical verifiers: achieving complementary fusion of RGB-IR features based on physical constraint scores through a bidirectional cross-modal attention mechanism; employing a feature pyramid network for multi-scale feature fusion; and outputting the detection results. This invention significantly improves the accuracy, robustness, and interpretability of ship target detection by explicitly modeling the unique physical characteristics of ships as computable spatial correspondence constraints.

This invention discloses a near-net-shape aluminum-based composite material part manufacturing method and part. The manufacturing method includes: establishing a three-dimensional part model of the part to be manufactured, wherein the part model has a built-in double-helix siphon microchannel; slicing the part model to obtain slice data for each layer, wherein the slice data includes the geometry and printing path of the part in that layer; printing the part model using sand mold printing according to the slice data to obtain a preform, wherein after printing each layer, a binder is sprayed onto the powder layer used for printing; the preform is sequentially sintered, post-treated, and pre-treated to obtain a treated preform; the treated preform is placed in a pre-fabrication container, impregnated with molten aluminum, and then slowly cooled and solidified to obtain the part to be manufactured. This invention solves the problems of high processing difficulty and difficulty in controlling the precision of aluminum-based composite material parts in the prior art.

The present application belongs to the technical field of computer-aided disease diagnosis and treatment, and discloses a medical diagnosis method and device based on cross-modal semantic hash retrieval, comprising: using an artificial neural network to hash encode category annotation information to form a semantic similarity preserving classifier; using the semantic similarity preserving classifier to guide the training process of multiple modal artificial neural network encoders; using the trained encoder to hash encode different modal medical data; and completing medical diagnosis through cross-modal semantic hash retrieval. The present application has the following advantages in medical diagnosis: low storage and computing resource consumption; good semantic representation ability, i.e. the hash encoding of samples can simultaneously represent the inter-class semantic relationship of samples and maintain intra-class mutual aggregation; and the ability to simultaneously process single-modal medical data-based and multi-modal medical data-based medical diagnosis tasks.

This invention discloses an automatic method and system for extracting landslide areas from remote sensing images based on few-sample enhancement and multimodal fusion. The method includes: acquiring and preprocessing multimodal remote sensing data; constructing a foreground-aware few-sample enhancement module, expanding the training samples through geometric transformation, spectral perturbation, and random cropping enhancement strategies; constructing a dual-branch feature extraction network to extract spectral and topographic features respectively; achieving adaptive fusion of spectral and topographic information through a cross-modal attention fusion unit; training a deep learning model using a composite loss function including cross-entropy loss, Dice loss, and boundary constraint loss; and performing topographic constraint post-processing and morphological optimization on the model output to obtain the automatic extraction result of landslide areas. This invention can achieve high-precision landslide identification under limited sample conditions, effectively reducing the false detection rate and improving the model's generalization ability and adaptability to complex scenes.

The application provides a radio frequency signal source, a radio frequency signal generation system and an aerosol generating device, which are applied to the field of radio frequency technology. The signal source comprises a phase detector, a signal generation module and a frequency divider. The phase detector, the signal generation module and the frequency divider are connected in sequence. The frequency divider is further connected to the phase detector. The phase detector receives a reference signal and a frequency divided signal, and outputs a detection signal representing the phase difference between the reference signal and the frequency divided signal. The signal generation module generates a radio frequency signal based on the detection signal. The frequency divider performs frequency division processing on the radio frequency signal and outputs the frequency divided signal to the phase detector. In this way, the output of the radio frequency signal can be adjusted based on the phase difference between the actual output radio frequency signal and the reference signal, closed-loop control of the radio frequency signal output process is realized, the stability of the actual output radio frequency signal is effectively ensured, the power of the radio frequency signal is amplified through a power amplification module, the heating efficiency of the aerosol substrate can be effectively improved, and the use requirements of users are met.

The present application relates to the technical field of geological surveying and mapping, in particular to a coalfield aquifer spatial distribution analysis method based on surveying and mapping fusion, which comprises: performing spatial registration on the original surveying and mapping data set of a target region to obtain spatialized surveying and mapping data; obtaining spatial difference partitions through three-dimensional reconstruction of aquifer lithology and thickness and correlation mapping of water conductivity performance, determining boundary information by combining aquifer outcrop and structure point overlay analysis, and constructing a digital spatial structure; updating the structure through multi-source real-time monitoring data parameter inversion, interpreting water level anomaly spatial characteristics, positioning risk areas in combination with water conductivity performance partition, inferring trends by fusing water inflow records, and generating a risk distribution information map; the present application can improve the efficiency of coalfield aquifer spatial distribution analysis based on surveying and mapping fusion.