Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

175results about How to "Improve comprehensiveness" patented technology

Mass concrete construction temperature control and anti-cracking integrated system and method

The invention discloses a mass concrete construction temperature control anti-cracking integrated system and method, and the system comprises a construction module which is used for constructing a cooling water pipe fine model based on concrete thermodynamic parameters and construction conditions, solving a heat flow coupling control equation through a heat flow coupling algorithm, and determining a concrete internal temperature field and stress field distribution cloud chart; the monitoring module is used for collecting attribute data of concrete; the comparison module is used for comparing the attribute data with the concrete internal temperature field and stress field distribution cloud atlas, correcting model parameters of the heat flow coupling model according to a comparison result, generating a regulation and control instruction and sending the regulation and control instruction to the execution module; the execution module is used for receiving and executing the regulation and control instruction; the regulation and control instruction comprises at least one of temperature regulation and pouring time sequence optimization. A temperature field and a stress field are accurately predicted, complex construction working conditions are matched, mechanical and thermal state changes of the whole life cycle of concrete are captured in real time, temperature control adjustment is effectively conducted, and the construction quality is improved.
Owner:CHINA TIESIJU CIVIL ENGINEERING GROUP CO LTD +1

Clamping equipment for aluminum alloy detection

The invention relates to the technical field of aluminum alloy detection, and discloses clamping equipment for aluminum alloy detection, which comprises a base, two electric guide rails are symmetrically mounted on the base, an area for placing an aluminum alloy profile is formed between the two electric guide rails, brackets are mounted on the two electric guide rails, a bearing seat is mounted on each bracket, and elastic rolling pieces for pressing the aluminum alloy profile are mounted on the bearing seats; the electric guide rail can drive the support to drive the elastic rolling piece on the bearing base to roll on the surface of the aluminum alloy profile. And a hardness detection piece is mounted in the elastic rolling piece. Rapid identification of surface unevenness is achieved through the elastic rolling part and the displacement sensor, local hardness can be quantitatively detected through the built-in hardness detection part, internal defects caused by insufficient hardness are prevented, dynamic pressing and friction resistance detection of the profile in the full-length range are achieved in cooperation with the adjustable limiting detection part and the pressure sensor, and the detection precision is improved. The comprehensiveness of pre-screening before flaw detection is improved, and the condition of missing detection is effectively prevented.
Owner:ANHUI XINBO NEW ENERGY AUTO PARTS CO LTD

Submarine pipeline corrosion rate prediction method, system, equipment and medium

The invention provides a submarine pipeline corrosion rate prediction method, system and device and a medium, and the method comprises the steps: obtaining monitoring data along a target submarine pipeline and pipeline body data; constructing a microbial corrosion random kinetic model based on the monitoring data, and simulating and generating a random microbial corrosion current component; calculating a pipe wall temperature field which is non-uniformly distributed along the axial direction of the pipeline based on the monitoring data and the pipeline body data; calculating an electrochemical corrosion current component based on the pipe wall temperature field and the electrochemical parameters of the pipeline material; performing multi-physics field coupling calculation on the random microbial corrosion current component and the electrochemical corrosion current component to generate a corrosion space-time distribution field; and performing corrosion risk analysis based on the corrosion space-time distribution field to obtain a corrosion risk prediction result. The method can improve the corrosion prediction accuracy of the submarine pipeline.
Owner:ZHEJIANG ELECTRIC POWER CONSTR CO LTD

Underground water numerical simulation method coupled with vegetation ecology

The invention relates to the technical field of underground water simulation, in particular to an underground water numerical simulation method coupled with vegetation ecology. The method realizes bidirectional coupling between groundwater and vegetation ecology through iteration, and specifically comprises the following steps: inverting vegetation coverage based on groundwater burial depth; inversion of actual evapotranspiration is carried out based on underground water burial depth and vegetation coverage; and finally, updating the net supply amount of the groundwater model based on evapotranspiration until convergence. According to the method, a statistical function relation is established to replace a complex physical model, and drainage and overflow cell water levels are corrected in iteration to ensure calculation stability.
Owner:CHINA UNIV OF GEOSCIENCES (BEIJING)

Spraying device for sheet metal working

The utility model relates to the technical field of sheet metal working, in particular to a spraying device for sheet metal working, which comprises a bottom plate, a control plate fixedly connected to the surface of the bottom plate, a fixing plate fixedly connected to the top of the bottom plate, a top plate fixedly connected to the top of the fixing plate, a top groove formed in the top plate, and a rectangular plate slidably connected to the interior of the top groove. The top of the rectangular plate is fixedly connected with a paint box, the top of the paint box abuts against a cover plate, the bottom of the paint box is provided with a paint pump, the bottom of the paint pump is fixedly connected with a spray pipe, the spray pipe extends to the bottom of the top plate, the side face of the rectangular plate is fixedly connected with a rack, the top of the bottom plate is provided with a driving motor, and the output end of the driving motor is fixedly connected with a gear. According to the spraying device, metal plate bodies with different lengths can be clamped and fixed, meanwhile, the spraying pipe is driven to move under the power action of the driving motor, then paint can be sprayed to the surfaces of the metal plate bodies, the spraying comprehensiveness of the metal plate bodies is improved, and the application range of the spraying device is wider.
Owner:因为(上海)科技有限公司

Detection device for fragrance of cooling agent

ActiveCN224122565UEffective gasificationConvenient gas detection workPreparing sample for investigationThermodynamicsMotor drive
The utility model discloses a cooling agent fragrance detection device which comprises a device body, the device body comprises a metering scale, a gasification device and a guide-out device, the gasification device is installed at the top of the metering scale, and the guide-out device is installed at the top of the gasification device; the gasification device comprises a heating base, a lower preparation kettle and an upper preparation kettle, the lower preparation kettle is installed at the top of the heating base, the upper preparation kettle is installed at the top of the lower preparation kettle, the lower preparation kettle is of a cylindrical structure, the upper preparation kettle is of a funnel-shaped structure, a mixing rod is installed in the lower preparation kettle, and a motor is arranged on the outer side of the lower preparation kettle; the driving end of the motor is connected with one end of the mixing rod, the mixing rod is provided with a plurality of groups of mixing fan blades which are distributed in an up-down staggered manner, the mixing fan blades are of an n-shaped structure, and the surfaces of the mixing fan blades are provided with a plurality of groups of circulating holes. The device can be used for effectively gasifying the cooling agent, so that the detection equipment can conveniently carry out gas detection work on the gasified cooling agent.
Owner:INNER MONGOLIA HUAKUN BIOTECHNOLOGY CO LTD

Atrial fibrillation anomaly detection method and system based on multi-sensing time-frequency pseudo anomaly

The invention discloses an atrial fibrillation anomaly detection method and system based on multi-sensing time-frequency pseudo anomalies, and the method comprises the steps: obtaining an atrial electrophysiological signal sequence through an HDS high-density sensing atrial fibrillation analysis platform, carrying out the time-frequency conversion of the signal sequence, constructing a multi-modal time-frequency tensor model, and extracting a time-frequency feature subset related to the atrial fibrillation anomaly; dynamically distributing feature weights by utilizing an extrusion excitation time-frequency pseudo-selection model so as to optimize features; constructing a double-domain hypersphere feature space based on the optimized features, calculating a pseudo-anomaly distance value through a double-domain hypersphere pseudo-anomaly distance calculation algorithm, and dividing a suspected atrial fibrillation anomaly feature sample set in combination with a preset threshold; and carrying out feature fusion on the suspected abnormal sample set, extracting common abnormal features and generating a detection result. The system corresponds to six units, the comprehensiveness of feature extraction and the accuracy of anomaly recognition are greatly improved, the clinical requirements for atrial fibrillation detection are met, and reliable technical support is provided for early diagnosis of atrial fibrillation.
Owner:SICHUAN UNIV

A monitoring device for a manufacturing plant

ActiveCN224607363UExpand the scope of monitoringimprove comprehensiveness
The utility model provides a kind of processing workshop's monitoring device, it is related to workshop monitoring technical field, including base;The top middle position of base is fixedly connected with the bottom middle position of lifting stand, and the top middle position of lifting stand is fixedly installed with motor, and the rotating shaft of motor is provided with thread, and the rotating shaft of motor is located inside the front end position of lifting stand. Through the cooperation of motor, lifting stand and lifting seat, when motor rotating shaft rotates, thread drive is used to drive lifting seat to slide up and down along lifting stand, so that the height of dust monitor is easily adjusted, which enables the device to adapt to the dust monitoring needs of different height areas in the processing workshop, and expands the monitoring range. The height of the monitoring device is fixed, and the height of the monitoring position cannot be flexibly adjusted according to the dust distribution characteristics of different areas in the workshop, which leads to limited monitoring range and difficulty in fully reflecting the dust concentration situation in the workshop.
Owner:周国立

An integrated spray device

ActiveCN224585093UComprehensive atomizing sprayimprove comprehensiveness
This utility model discloses an integrated spraying device, belonging to the technical field of regional sanitation and disinfection equipment. It includes a fixed frame, with a water tank welded to its side wall. A drive motor for power is screwed to the top of the water tank. The side wall of the water tank is connected to a pipe inside the fixed frame via a connecting water pipe. A hollow spray plate is connected to the top of the fixed frame via a fixed column. Several nozzles for atomizing spraying are provided at the bottom of the spray plate. The side wall of the fixed frame has symmetrical connecting grooves, inside which two parallel linear motors are fixed. The moving parts of the two linear motors are connected to a hollow side plate via a fixed plate. The side wall of the side plate has nozzles for atomizing spraying. A standing circular plate is also rotatably connected to the inner bottom wall of the fixed frame. This utility model has advantages such as a wide spray range, convenient operation, and high stability, enabling comprehensive disinfection and improving the disinfection quality of the device.
Owner:HENAN QIAOYOU MASCH TECH CO LTD

Full-automatic performance detection system and method compatible with multi-model lightning arresters

The invention relates to a full-automatic performance detection system and method compatible with multi-model lightning arresters, and the system comprises a multi-degree-of-freedom adaptive clamp module which is used for adapting to different models of lightning arresters, and achieving the automatic clamping and positioning of the lightning arresters; the performance detection module comprises an insulation detection sub-module and a withstand voltage detection sub-module and is used for performing performance detection on the lightning arrester; the data acquisition module is used for acquiring detection data in the detection process and transmitting the detection data to the data processing module; the central control module is used for generating a control instruction and controlling cooperative operation among the modules based on the control instruction; and the data processing module analyzes the lightning arrester detection process based on the detection data to obtain a detection result. According to the invention, the problems of poor compatibility and much manual intervention of a traditional detection method are solved, and accurate, efficient and safe detection of the performance of the lightning arrester is realized.
Owner:HUANENG (FUJIAN) ENERGY DEVELOPMENT LIMITED COMPANY FUZHOU BRANCH

Visual inspection device with multiple reverse surfaces

ActiveCN224263091UAchieve multi-faceted reversalEnsure full controlMaterial analysis by optical meansFixed frameControl engineering
The utility model provides a visual inspection device with multiple reverse surfaces, which relates to the technical field of visual inspection and comprises a supporting table, a conveying belt is mounted in the supporting table, fixing frames are mounted at two ends of the upper surface of the supporting table respectively, and a plurality of image collectors are mounted on one sides, close to the conveying belt, of the fixing frames respectively. An auxiliary mechanism is installed in the middle of the upper surface of the supporting table. According to the utility model, through the auxiliary mechanism, the first motor is utilized to drive the connecting block and the clamping frame to rotate, multi-surface reverse rotation of the material can be realized, all surfaces of the material can be detected by matching with the image collector on the fixed frame, the area of a product possibly having quality problems is fully covered, the defect of single-surface detection is made up, and the detection efficiency is improved. The product quality is ensured to be comprehensively controlled, and the detection comprehensiveness is effectively improved.
Owner:MOFAN DINGSHENG (CHONGQING) TECH CO LTD

A kind of tool convenient for switch cabinet gas tank welding positioning

The present application relates to the technical field of gas tank welding, and particularly relates to a tool for facilitating the positioning of a switch cabinet gas tank during welding, comprising reinforcing ribs fixed to the panels of the switch cabinet gas tank; the reinforcing ribs are detachably connected with fixing clamps; the fixing clamps comprise driving mechanisms and passive mechanisms; one end of the driving mechanism is detachably connected with the reinforcing rib, and the other end of the driving mechanism is provided with a driving connection part; one end of the passive mechanism is detachably connected with the reinforcing rib, and the other end of the passive mechanism is provided with a passive connection part. The present application can solve the problem of wasted labor caused by the need to polish the studs used to fix and turn the gas tank in the prior art, improve the welding efficiency, and reduce the working intensity of the operators.
Owner:CHONGQING WANGBIAN ELECTRIC GRP CORP

Method for producing aluminum fluoride from fluorite tailings waste

The application discloses a fluorite tailing waste residue production method of aluminum fluoride, and relates to the technical field of aluminum fluoride production processes. The fluorite tailing waste residue production method of aluminum fluoride comprises the following steps: step one, mixing the purified fluorite tailing and concentrated sulfuric acid according to a proportion, and heating and reacting in a rotary kiln to generate hydrogen fluoride gas; and step two, passing the hydrogen fluoride gas into a fluidized bed, and fluidizing and reacting the hydrogen fluoride gas in the fluidized bed in a posture of rotating around an aluminum hydroxide bed layer, and driving the aluminum hydroxide bed layer to tumble under the flow of the hydrogen fluoride gas. Through the driving of a rotating assembly in the fluidized bed, the hydrogen fluoride gas is driven to rotate around the aluminum hydroxide bed layer for fluidization and combination reaction, so that the hydrogen fluoride gas always passes through the aluminum hydroxide bed with uniform thickness, and the hydrogen fluoride gas acts on the uniform tumbling fluidization reaction of the aluminum hydroxide bed layer.
Owner:SHANDONG ZHAOHE NEW MATERIAL TECH

Automatic screening device for connecting rod machining

The utility model discloses a kind of automatic screening devices for connecting rod processing, including support frame, the support frame top end is fixedly connected with guide frame, the guide frame one end is equipped with feeding mechanism, the guide frame one side is equipped with detection screening mechanism, the detection screening mechanism includes electric rotary table, the electric rotary table top is equipped with feeding tray, the feeding tray top surface is equipped with multiple grooves, belongs to connecting rod processing technical field.This connecting rod processing automatic screening device, workpiece is sent to detection station by electric rotary table, industrial camera carries out visual inspection to workpiece, and in detection process, driving motor rotates workpiece, improves the comprehensiveness of detection, according to detection result, rotating motor drives rotation gear to rotate, rotation gear rotates along fixed gear and rolls, to drive movable seat to rotate, workpiece is respectively placed into different collection box, automatically screening, compared with artificial detection, effectively improve production efficiency.
Owner:HUAIAN ALITE IND & TRADE CO LTD

A power transformation equipment fault detection method and device and electronic equipment

Embodiments of the present application disclose a power transformation equipment fault detection method and device and electronic equipment, comprising: obtaining running audio data and running vibration data of a to-be-tested power transformation equipment in a target time period; dividing the running audio data into a plurality of audio sub-data according to a preset time interval, to determine a stationary attribute of the running audio data based on the similarity between the plurality of audio sub-data; in the case that the stationary attribute of the running audio data meets a preset condition, inputting the running audio data and the running vibration data into a pre-trained fault detection model to determine a fault category of the to-be-tested power transformation equipment, most signals of the power transformation equipment in a stable running state can be discarded, and more dimensional fault features can be captured through joint analysis of audio and vibration signals, comprehensiveness, detection efficiency and accuracy of power transformation equipment fault recognition are improved.
Owner:GUANGDONG POWER GRID CO LTD +1

Aftermyocardial infarction brain injury risk prediction method and system based on multi-modal data fusion

The invention provides an after-myocardial infarction brain injury risk prediction method and system based on multi-modal data fusion, and relates to the technical field of medical information processing, and the method comprises the steps: firstly obtaining a heart image, a brain image and a brain tissue microwave echo signal of a patient; generating waveform data based on the phase difference and the amplitude difference of the echo signals; taking the heart feature data, the brain feature data and the waveform data as nodes respectively, and establishing connection edges among the nodes according to a preset clinical knowledge base to form a heterogeneous graph; processing the graph by using a graph neural network to obtain associated features; and finally, inputting the associated features into a multi-task learning model, and outputting a future brain injury risk probability and a self-regulation function damage degree result. The accuracy and comprehensiveness of myocardial infarction after-brain injury risk prediction are improved.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Shock tube detonation test visualization device and test method thereof

PendingCN121954496ARealize multi-dimensional observation and diagnosis fusionincrease flexibilityInternal-combustion engine testingFluorescent imagingLaser Powder Bed Fusion
The invention relates to a shock tube detonation test visualization device and a test method thereof, and the device comprises a shock tube which is sequentially divided into a premixing section, a detonation section, a development section and a measurement section along the axial direction, and the measurement section is provided with a plurality of optical visualization windows; the gas distribution ignition system is used for filling combustible premixed gas into the shock tube and generating a controllable ignition source at the detonation section; the synchronous signal acquisition system is used for acquiring a flame front position signal in the shock tube in real time; the schlieren system is used for acquiring a two-dimensional transient density gradient field of the shock wave and the flame front; the laser-induced fluorescence system is used for carrying out two-dimensional plane laser-induced fluorescence imaging on the flame reaction area; the high-speed photographing system is used for recording the overall propagation process of the flame in the shock tube; and the smoke grain acquisition unit is used for forming a smoke film on the inner wall of the measurement section to capture and retain the detonation cell structure. Compared with the prior art, the detonation wave three-dimensional structure and array surface change characteristics can be captured and observed at the same time through one detonation test.
Owner:SHANGHAI JIAOTONG UNIV

Multi-station coordinated unhairing device for pig head

The present application relates to pig slaughtering processing equipment technical field, disclose a kind of live pig head multi-station collaborative depilating device, including box, the box bottom is fixedly connected with supporting leg, the supporting leg outside is rotatably connected with conveyor belt, the conveyor belt outside is fixedly connected with gear, the gear top is fixedly connected with support plate, the support plate top is fixedly connected with deflection mechanism, the deflection mechanism is used to carry out multi-angle deflection to remove dead angle to pig head, the deflection mechanism top is fixedly connected with placing table, the placing table top is fixedly connected with fixed mechanism, the fixed mechanism is used to fix pig head.By first motor drives rotating shaft, oblique shaft rotation, drive connecting rod and placing table multi-angle deflection, and cooperate U-shaped plate sliding in support rod sliding groove, realize live pig head multi-angle rotation adjustment, improve the problem that traditional depilating device is difficult to handle pig head dead angle pig hair, improve the comprehensiveness, cleanliness and depilating efficiency of pig head depilating.
Owner:JIAOZUO YUKANG FOOD CO LTD

A demolding device for a riveter

The utility model provides a kind of demoulding device of riveting machine, it is related to hardware processing technical field, including connecting seat, the inside of connecting seat is provided with cleaning mechanism;Cleaning mechanism includes placing groove, placing groove is opened in the inside of connecting seat, the inner wall of connecting seat is fixedly connected with auxiliary box, the inside sliding connection of auxiliary box has collection box, the left side of auxiliary box is fixedly connected with negative pressure pump, the left side of auxiliary box is fixedly connected with two suction hoses, the inner wall of connecting seat is fixedly connected with square air pipe, the right end of two suction hoses is all through connecting seat and with the left side of square air pipe Fixed communication, the inside of collection box is clamped with filter plate.The demoulding device of riveting machine, solve the lack of ejection to clean the ability of workbench, workpiece is riveted after each time will leave some impurities, impurities long-term accumulation can affect the effect and precision when subsequent workpiece riveting, play the role of improving the use effect of riveting machine demoulding device.
Owner:DANDONG RUNTING IND DEV CO LTD

A new energy lithium battery impact testing device

PendingCN122260164AAccurately detect impact resistanceMeet safety performance testing needsElectrical testingMeasurement instrument housingElectrical batteryNew energy
The application relates to the technical field of battery safety testing, and discloses a new energy lithium battery impact testing device, which comprises a base, a rack arranged on the base and a testing guide rod, further comprises a lifting mechanism arranged on the base and a testing mechanism slidingly assembled on the testing guide rod; the testing mechanism comprises a testing plate, the bottom of the testing plate is fixed with a testing seat, and the bottom of the testing seat is fixed with a testing block for planar impact on the lithium battery. The new energy lithium battery impact testing device is provided with an adjusting assembly capable of horizontally adjusting the position, a lifting assembly capable of up-down telescopic adjustment and an impact assembly integrating an impact block and a puncture needle in the testing seat, so that the device can be freely switched among three modes of planar impact, point impact and puncture impact, the overall impact, local point impact and puncture test on the lithium battery can be completed without disassembling and replacing any tool parts, and the diversified and all-round lithium battery safety performance test demand is met.
Owner:QINGDAO WENTIAN ENERGY CO LTD

Strain monitoring system and optical cable construction technology

The invention discloses a strain monitoring system and an optical cable construction technology, and belongs to the technical field of pipelines. According to the system, pump light and detection light are respectively emitted from two ends of a sensing optical cable, the pump light and the detection light generate Brillouin scattering, Brillouin scattering light is emitted from the sensing optical cable and enters an optical detector, the optical detector converts an optical signal into an electric signal and sends the electric signal to electronic equipment, and the electronic equipment sends the electric signal based on the electric signal. And determining the strain conditions of the pipeline body and the nearby soil body. Since one part of the sensing optical cable is laid on the surface of the pipeline and the other part of the sensing optical cable is located in the soil body near the pipeline, the optical signal received by the optical detector can reflect the stress condition of the pipeline body and the soil body near the pipeline body. The electronic equipment not only can determine the strain condition of the pipeline body, but also can determine the strain condition of the soil body near the pipeline based on the electric signal converted from the optical signal, so that the pipeline body and the soil body near the pipeline are jointly monitored, and the monitoring comprehensiveness is improved.
Owner:CHINA PETROLEUM PIPELINE ENG CO LTD +3

A mold polishing tool

ActiveCN224587827URetain efficient processing capacityReduce polishing dead anglePolishingHigh surface
This utility model discloses a mold polishing cutter, including a holding section, an extension section, and a polishing section. The holding section is installed at the upper end of the extension section, and the polishing section is installed at the lower end of the extension section. Polishing stripes are provided on at least a portion of the lower end of the extension section and on the polishing section. There is an angle between the polishing section and the extension section, and the angle range is set to 150-180°. The above structure retains the efficient processing capability of a straight polishing cutter on a flat surface, and can penetrate into complex areas such as corners and grooves of the mold through a large tilt angle, reducing polishing dead angles and improving the comprehensiveness of surface treatment. It has significant improvements in polishing range, operational stability, adaptability, and durability, and can effectively meet the high-efficiency and high-precision polishing requirements of complex molds.
Owner:ZHONGSHAN XINGDA AUTO PARTS CO LTD

Qualitative and semi-quantitative integrated analysis method for environmental trace micropollutants based on mass spectrum full-scanning mode

The invention provides a mass spectrum full-scanning mode-based qualitative and semi-quantitative integrated analysis method for environmental trace micro-pollutants, which comprises the following steps of: analyzing precursor ions without MS / MS secondary mass spectrum in a full-scanning MS mass spectrum, and forming a characteristic table by using data of the precursor ions, reserving candidate compounds corresponding to the precursor ions with high matching degree to generate a first candidate library; searching data of fragment ions with collision energy less than or equal to 20 eV corresponding to the candidate compound in an open source library, integrating the data of the fragment ions and the data of precursor ions in the first candidate library to construct a targeted screening library, performing targeted retrieval in a full-scanning MS mass spectrum, and then performing confidence evaluation and semi-quantitative analysis. According to the method, a large number of lost low-abundance fragment ions can be retrieved, trace micropollutants can be effectively identified, the lowest detection concentration can reach 0.5 ppt level or below, and the method has high confidence coefficient.
Owner:GUANGDONG UNIV OF TECH

A diagnostic method, apparatus, and electronic device for a fuel cell engine.

This invention discloses a diagnostic method, apparatus, and electronic device for fuel cell engines, relating to the field of fuel cell vehicles. The method includes: real-time acquisition of operating data from the fuel cell engine and determination of the validity of the operating data; when the operating data is determined to be valid, acquisition of the configuration status of a liquid level sensor; determination of a matching target calculation strategy from a set of preset calculation strategies based on the configuration status; calculation of the operating data using the calculation strategy to obtain a water management health status coefficient; and diagnosis of the water management health status of the fuel cell engine based on the water management health status coefficient. This invention abandons traditional physical parameter threshold determination and instead uses the water management health status coefficient obtained from the configuration status of the liquid level sensor to diagnose the fuel cell engine, filling the gap in existing technologies that lack component-based diagnostics, improving the comprehensiveness of fuel cell engine diagnosis, and preventing irreversible damage to the fuel cell engine.
Owner:FAW JIEFANG AUTOMOTIVE CO

Hydraulic support experimental device

ActiveCN224190588UMeet teaching needsChange experimental parametersEducational modelsStructural engineeringMechanical engineering
The embodiment of the utility model discloses a hydraulic support experiment device, and relates to the technical field of hydraulic support simulation. The hydraulic support experiment device comprises a base, a shield beam, a top beam, a connecting rod assembly, a first driving part and a second driving part, the base is rotationally connected with one end of the connecting rod assembly, the other end of the connecting rod assembly is rotationally connected with the shield beam, the shield beam is further rotationally connected with the top beam, and the first driving part is rotationally connected to the base and further rotationally connected to the top beam. The second driving part is rotatably connected to the shield beam and is further rotatably connected to the top beam and is used for driving the top beam to move, and the length of the connecting rod assembly can be adjusted, so that the connecting rod assembly can be adjusted, experiment parameters are changed, the comprehensiveness is improved, and the teaching requirements of mechanics and mechanical principles are met.
Owner:BELL DATA TECH (DALIAN) CO LTD

Device for detecting oil content of oily sludge water

ActiveCN224176527UFlexible adjustment of delivery depthimprove comprehensivenessTesting waterSludgeSewage
The utility model relates to the technical field of oil stain detection in sewage, in particular to an oil content detection device for oil-containing sludge water. The oily sludge water oil content detection device comprises an oil-in-water sensor and a mounting frame, a supporting frame for fixing the oil-in-water sensor is fixedly mounted outside the oil-in-water sensor, and an adjusting assembly for adjusting the position of the oil-in-water sensor is arranged on the mounting frame. When the oil content detection device for the oily sludge water is used, the height of the oil-in-water sensor suspended below the device can be adjusted by winding the pull rope, so that the putting depth of the oil-in-water sensor can be flexibly adjusted, the oil-in-water sensor can be used for monitoring different depths, and the comprehensiveness of later detection data is improved.
Owner:KARAMAY VOCATIONAL & TECH COLLEGE +1

A girder erecting elevation adjustment method based on machine learning

The application discloses a kind of based on machine learning's main girder erects elevation adjustment method, belong to elevation adjustment technical field, this method constructs space-time database by gathering the data of no cable section construction period;Adopt the mixed model of LSTM-Transformer to process time series data, extract long-period characteristic, output initial predicted value of elevation;Nonlinear variable such as the change rate of cable force, sunshine gradient and material age is analyzed using XG-Boost algorithm, and compensation factor is output;Fusion and generate joint predicted value;Construct reinforcement learning intelligent agent, with construction stage as state space, elevation adjustment quantity as action space, the deviation of predicted value and measured value and construction stability are minimized as reward function, and output adjustment instruction;According to driving hydraulic system, adjust erecting elevation, and real-time update database.The application improves the precision and stability of elevation adjustment by multi-dimensional data fusion and intelligent optimization.
Owner:CHINA HIGHWAY ENG CONSULTING GRP CO LTD +2

USB driver test method and device

The invention belongs to the technical field of USB testing, and discloses a USB drive testing method and device, and the method comprises the steps: a USB host module sends a test data packet, batch output data and a batch input request to a USB device module, and circularly sends the batch output data after the sending is completed; the USB equipment module verifies the received batch output data, and generates a slave batch test result according to a verification result; after the batch input request is received, the received test data packet is sent to the USB host module; and the USB host module verifies the received test data packet and generates a host batch test result according to a verification result of the test data packet. According to the method and the device, the BULK transmission test on the USB drive software is realized through the transmission verification of batch data, and the comprehensiveness of the USB test is improved.
Owner:GUANGZHOU ANYKA MICROELECTRONICS CO LTD

Foundation pit displacement measuring device for constructional engineering

The utility model relates to the field of foundation pit displacement measurement, in particular to a foundation pit displacement measuring device for constructional engineering, which comprises a base, a vertical plate is vertically and fixedly connected to the front end of the base, and a plurality of longitudinal measuring mechanisms for measuring longitudinal displacement of a foundation pit are slidably connected to the front end of the vertical plate. The rear end of the longitudinal measuring mechanism extends to the rear end of the vertical plate and is fixedly connected with a longitudinal observation mechanism, the surface of the longitudinal measuring mechanism is transversely and slidably connected with a horizontal measuring mechanism used for measuring the horizontal displacement of the foundation pit, and the rear end of the horizontal measuring mechanism extends to the rear end of the vertical plate and is fixedly connected with a horizontal observation mechanism. The surface of the rear end of the vertical plate is fixedly connected with a first scaleplate and a second scaleplate which are used for being matched with the longitudinal observation mechanism and the horizontal observation mechanism, and the device can observe the displacement distance of the foundation pit, so that a worker can conveniently support the foundation pit at the first time of displacement of the foundation pit; and meanwhile, the device can measure the longitudinal displacement of the foundation pit at different depths, so that the comprehensiveness of the displacement measurement of the foundation pit is improved.
Owner:GUANGXI HUALAN GEOTECHNICAL ENG CO LTD