17results about How to "Avoid slow recognition" patented technology

The utility model relates to visual calibration target device technical field, specifically disclose a kind of visual calibration target device of steel trestle dynamic displacement monitoring, including target mechanism, the upper end side of the target mechanism is provided with wire arrangement mechanism, the front lower end of the target mechanism is provided with auxiliary flickering mechanism;The target mechanism includes mounting plate, suspension pole, target main body, wiring seat, lamp holder, outer ring reference lamp bead, intermediate layer reference lamp bead and inner ring reference lamp bead.This scheme can adapt to different monitoring distance and camera focal length by the reference lamp bead design of multiple circle layer distribution, ensure target quick identification and stable tracking by outer ring double-layer concentric circle lamp bead under long-distance large visual angle, provide high-precision positioning by intermediate layer polygon lamp bead in medium distance, and rely on snowflake inner ring lamp bead to realize ultimate calibration in nearest distance, only single target can cover the full-scale monitoring requirement from bridge overall shaking to local slight deformation.

The invention belongs to the technical field of transformer fault detection, and discloses a transformer fault diagnosis method and related device.The transformer fault diagnosis method comprises the steps that primary side power data and box surface vibration data of a to-be-diagnosed transformer are collected, and primary side data and vibration data are obtained; comparing the primary side data with a preset power data threshold value, and judging whether the primary side data is abnormal or not; if the abnormity judgment result of the primary side data is abnormal, outputting and obtaining an electrical operation state fault diagnosis result of the to-be-diagnosed transformer; if the abnormity judgment result of the primary side data is normal, performing feature extraction on the vibration data to obtain vibration feature data; inputting the vibration characteristic data into a pre-trained support vector machine model for fault diagnosis, and outputting a mechanical health state fault diagnosis result of the to-be-diagnosed transformer; according to the invention, through multi-dimensional data acquisition, a multi-level diagnosis process and an advanced data processing algorithm, accurate and rapid identification of the transformer fault is realized.

The application discloses an engine fault diagnosis method based on a multilevel progressive detection principle, and has the characteristics that the method comprises the following steps: engine timing geometric deviation angle measurement, to complete mechanical layer detection; engine crankshaft and camshaft Hall pulse signal measurement and correction, to complete electrical signal angle layer detection; engine cold test speed-up working condition crankshaft angle domain / frequency domain comprehensive analysis, namely vibration acceleration layer detection; and artificial intelligence fault identification based on big data. The method provided by the application can progressively judge and identify faults through the mechanical layer, the electrical signal angle layer, timing belt tension or vibration frequency and vibration acceleration layer, so that common engine faults in the engine cold test and bench test process can be quickly identified. In the judgment of the vibration acceleration layer, the engine fault is quickly identified and pre-judged by combining the mechanical layer and the electrical signal angle layer and through an artificial intelligence fault judgment algorithm based on big data.

This invention provides a method, device, and medium for automatic identification and detection of extended power supplies for nodal seismographs, belonging to the field of seismic exploration. The method includes: confirming good contact at the extended power supply interface; obtaining the remaining capacity of the extended power supply; using a step-up / step-down DC-DC circuit to boost the output voltage of the extended power supply; and judging the connection status of the extended power supply in real time. This invention can quickly complete the automatic identification and detection of extended power supplies, effectively improve the success rate of assembly, ensure the reliability of the extended power supply, reduce the risk of rework due to operational errors, and improve construction efficiency.

This application relates to a method, apparatus, equipment, and medium for identifying and locating leaks in public building restrooms. The method includes: extracting local time-frequency features from a two-dimensional feature matrix of a log-Melogram using a CNN feature extraction module and converting it into a one-dimensional time-series feature sequence; inputting this sequence into a Transformer encoder; capturing the global temporal dependencies of the one-dimensional time-series feature sequence through a multi-head self-attention sublayer; and processing this sequence through a feedforward neural network sublayer to determine a first output feature sequence; inputting this sequence into a Transformer decoder; modeling temporal causality through a masked multi-head self-attention sublayer; and refining the features by fusing global time-frequency features through a cross-attention sublayer to determine a second output feature sequence; and outputting a classification probability distribution by a Softmax layer; if the maximum classification probability is higher than a preset confidence threshold, then the category of the leaking device corresponding to the maximum classification probability is taken as the category of the leaking device in the restroom to be detected. This application enables early detection of leaks, preventing secondary problems caused by the expansion of leaks.

This invention belongs to the field of UAV navigation and augmented reality technology, and relates to a passive geographic information overlay system and method based on cross-modal features. The system includes: an airborne visual acquisition module installed on the UAV platform for real-time acquisition of video frames and flight attitude data; an edge computing processing module for receiving video frames and performing geographic information calculations, calculating confidence levels, and outputting geographic feature information that meets a set confidence threshold as a preferred dataset; and an augmented reality display module for overlaying the geographic feature information from the preferred dataset onto the video image in an augmented reality manner. Its advantages include the ability to perform positioning matching and augmented display without relying on satellite signals in GNSS-denied environments, strong anti-interference capabilities, high positioning accuracy, and low overlay latency. It can overlay and present geographic features in UAV videos, facilitating users to quickly identify and understand the corresponding geographical location and environmental elements in the image.

This invention relates to a dedicated clutch chainring assembly for a mid-drive motor. This chainring assembly, used to control the speed of the mid-drive motor, includes a bottom bracket, a first crank, and a second crank. A first chainring is mounted on the bottom bracket, and a rotating component is concentrically mounted on the first chainring. A first spring is provided between the rotating component and the first chainring to generate rotational resistance and to reset the rotating component during rotation. The magnitude of the rotational resistance is positively correlated with the rotation angle of the rotating component. This invention modifies the chainring so that the teeth on the chainring can rotate, and achieves stepless control of the mid-drive motor based on pedaling force. It not only accurately and quickly identifies and responds to pedaling force, allowing the mid-drive motor to adjust accordingly and improve the riding experience, but also integrates sensors with the chainring, simplifying the vehicle's structure and size, making the vehicle more aesthetically pleasing.

This utility model discloses a temperature and humidity regulating laboratory specimen preservation device, belonging to the field of laboratory equipment technology. It includes a cabinet with rotating doors on both sides, and also includes a temperature sensor, a humidity sensor, a small compressor, an ultrasonic humidifier, a condenser dehumidifier, a heater, and a controller for intelligent control. This utility model, by arranging temperature, humidity, and light sensors inside the preservation cabinet, allows for comprehensive and accurate collection of temperature, humidity, and light intensity data within the cabinet. Combined with an intelligent control module, a temperature and humidity regulation module, and a light regulation module, it achieves precise temperature and humidity regulation, ensuring sufficient light intensity for the specimens and maintaining a suitable preservation environment. The controller's intelligent control module automatically controls the temperature and humidity regulation module according to preset temperature and humidity standard ranges, eliminating the need for frequent manual operation and improving the efficiency and stability of specimen preservation.

The utility model relates to cable technical field especially relates to a kind of anticorrosive marine cable.Its technical scheme includes: cable body, the cable body includes multiple conductor body, the outside of each conductor body is provided with natural color insulating layer.The utility model is protected by setting up semiconductive conductor shielding layer and semiconductive insulation shielding layer to natural color insulating layer and color bar color separation insulation, by setting up isolation layer protection cable body internal structure, improve the fireproof and explosion-proof performance of cable body, by setting up inner protective layer, natural color insulating layer and color bar color separation insulation are not damaged by external factors, while preventing moisture and corrosive substance from invading, by setting up armoring layer, the mechanical strength and explosion-proof performance of cable body can be enhanced, by setting up outer protective layer, cable internal structure can be effectively protected from the corrosion of marine environment, while also having certain flame retardancy, the explosion-proof performance of cable can be improved.

This utility model discloses a road reinforcement device after road core sampling, including a reinforcement trolley. The rear end of the reinforcement trolley is equipped with an identification component, a moving component, and a compaction component for identifying and reinforcing the road core sampling site. The identification component is horizontally mounted at the rear end of the reinforcement trolley, and several identifiers are mounted on the bottom of its mounting frame. By setting the identification component and the moving component at the rear end of the reinforcement trolley in the road reinforcement device, when the identifiers identify the core sampling site on the road, they simultaneously control the horizontal moving mechanism, the lateral moving mechanism, and the height adjustment mechanism on the moving component to move the grouting nozzle mounted on the mounting plate to the inside of the core sampling site, thereby grouting the core sampling site to fill it with grout. Simultaneously, the compaction component is activated, causing the compaction roller on the compaction component to perform roller pressing reinforcement on the core sampling site as the reinforcement trolley moves, thus improving the reinforcement efficiency and quality of the road core sampling site.

This invention relates to the field of heavy metal ion detection and environmental remediation technology, specifically to a two-dimensional covalent organic polymer, its preparation method, and its applications. This addresses the existing Hg... 2+ The existing detection methods suffer from insufficient sensitivity, complex operation, poor selectivity of adsorbent materials, and difficulty in simultaneously achieving identification and removal. The method of this invention involves placing 2,4-diamino-1,4-benzenedithiol dihydrochloride, 1,3,5-tris(tetra-formylphenyl)benzene, 1,4-dioxane, mesitylene, and an aqueous solution of acetic acid in a high-pressure reactor. The raw materials are then ultrasonically dispersed to a uniform state. The reactor is then placed in an oven for static reaction. After the reaction, the reactor is cooled to room temperature, filtered, washed with acetone, and dried to obtain a two-dimensional organic polymer containing a benzothiazole structure. The two-dimensional covalent organic polymer prepared by this invention exhibits high sensitivity (36 nM) and a rapid response time (90 s) for the detection and adsorption of mercury ions in environmental water.

This application discloses a noise identification method, medium, equipment, and product for thermal power plants. The thermal power plant includes multiple pieces of equipment. The method involves acquiring raw sound signals and historical acoustic feature data; digitizing each raw sound signal to obtain multiple acoustic features; determining a dynamic threshold range based on the historical acoustic feature data; identifying anomalous features among the multiple acoustic features based on the dynamic threshold range; determining a target label for each anomalous feature based on a predefined set of noise labels and the associated attributes corresponding to each anomalous feature; constructing an association graph based on the index information and target labels corresponding to the multiple anomalous features; and performing posterior probability analysis on the nodes in the association graph to obtain the noise source region of the thermal power plant. This application embodiment achieves anomaly detection through multi-dimensional features, dynamic thresholds, and label matching, and constructs an association graph for probability analysis, enabling precise location of noise sources.

The invention relates to a communication method in which a vehicle (1) exchanges information via a communication interface (2) with at least one entity (3) located within the communication range of the vehicle (1), the entity (3) transmitting a message (4) comprising a declaration to the vehicle (1). The communication method according to the invention is characterized in that the vehicle (1), upon receipt of the message (4), automatically checks the declaration as true or false, classifies the entity (3) as trusted if the declaration is true, and classifies the entity as untrusted if the declaration is false.

The utility model discloses a cable surplus management device for weak current engineering, include: support base plate, the surface stamping forms continuous wave curved surface, contains the wave peak part and the wave trough part of alternate distribution, the curvature radius R of wave peak part and wave trough part satisfies: R >= 8Dmax, detachable wave baffle group includes the parallel arrangement of multiple groups's ABS engineering plastics baffle, and ABS engineering plastics baffle is set to continuous wave curved surface, and its wave curvature is in accord with the support base plate, the cover plate subassembly, covers the top of detachable wave baffle group, and the wave curvature of with support base plate is in accord with, constitutes closed cable channel jointly, fixed stake is set up in the downside of wave peak part and the upside of wave trough part, and is connected through the connecting rib plate between with support base plate, and the lower part of fixed stake sets up fixed column, and fixed column inserts the fixed connection of wiring groove's bottom plate. The utility model solves the problem that the lower layer cable maintenance can not be flexibly displaced because of the insufficient storage surplus of upper layer cable in the multilayer cable layered management technology.

The utility model relates to the technical field of nursing medicine, and discloses a nursing medicine transfer device and a clamping assembly, the clamping assembly comprises an installation block, a first insertion rod, a clamping spring, a clamping rod and a rubber pad, the installation block is fixedly installed on the inner wall of a drawer, the first insertion rod is fixedly installed on the inner wall of the installation block, and the clamping spring is fixedly installed on the inner wall of the clamping rod. The surface of the first inserting rod is sleeved with a clamping spring, one end of the clamping spring is fixedly provided with a clamping rod, and one end of the clamping rod is fixedly provided with a rubber pad. According to the nursing medicine transfer device, through the arrangement of the drawer, the containing box and the label box, medicine in different packages can be conveniently stored in a classified mode, and after the medicine is taken, the drawer is closed in time. If the situation that the medicines are about to be overdue and are insufficient in quantity is found in the transferring process or after the medicines are taken, records can be made on the record book in the placing box, subsequent medicine supplement and management are facilitated, and meanwhile, the label box is convenient for quickly identifying and taking the medicines.

The application discloses a logistics package full-process intelligent tracing method, comprising the following steps: S1, constructing a sensor network to collect information of each stage of the logistics package, and preprocessing to form a data unit set; S2, performing feature mapping on the data unit set, generating a state vector and constructing a package state sequence; S3, constructing a process knowledge graph based on the package state sequence, and establishing a directed correlation relationship among the package, nodes and operation behaviors; S4, encoding the correlation relationship of the knowledge graph, writing the state change into a blockchain to form a tracing account book; S5, checking the package state evolution path based on the blockchain account book, and generating credible circulation path data; S6, performing graph structure analysis on the credible circulation path, identifying abnormal state nodes and positioning abnormal processes; and S7, outputting the full-process tracing result of the logistics package. The application realizes credible tracing and accurate positioning of abnormal processes of the logistics package in the full process, and significantly improves the data security and tracing efficiency.

This utility model discloses a novel chemical test tube rack, comprising: a controller; a base; and two extension seats, the two extension seats being slidably disposed within the base and symmetrically distributed. Compared with the prior art, the extension seats allow for flexible adjustment of the number of test tube racks according to actual experimental needs. For large-scale experiments, more racks can be added to accommodate more test tubes, while fewer racks can be used for smaller experiments, effectively saving lab bench space and improving space utilization. The spring clips adaptively clamp test tubes of different sizes, ensuring stability after placement within the rack. Each test tube rack has a separate transparent label box, facilitating test tube classification and management. Operators can place test tubes of different uses and containing different reagents on the corresponding labeled racks for quick identification and retrieval, effectively preventing reagent confusion.