Patents
Literature
16results about How to "Eliminate detection errors" patented technology
Efficacy Topic
Property
Owner
Technical Advancement
Application Domain
Technology Topic
Technology Field Word
Patent Country/Region
Patent Type
Patent Status
Application Year
Inventor
Glucometer high-precision detection method based on dynamic calibration algorithm and glucometer
PendingCN121943296AEliminate detection errorsAchieve high-precision blood glucose detectionSensorsBlood characterising devicesBlood glucose metersGlucose detection
The invention discloses a glucometer high-precision detection method based on a dynamic calibration algorithm and a glucometer, and relates to the field of blood glucose detection.The method comprises the steps that modal decomposition is conducted on a blood glucose current signal, the blood glucose current signal is decomposed into a plurality of frequency components, and an effective physiological component and an interference component are separated from the frequency components; performing time sequence feature extraction on the effective physiological component to obtain feature parameters at multiple moments, and performing correlation analysis on the feature parameters at the multiple moments, the environment temperature and the tissue impedance parameter to obtain a fusion feature vector; inputting the fusion feature vector into a parameter calibration model, and outputting a preliminary blood glucose value; a temperature correction coefficient is calculated according to the deviation between the environment temperature and the preset reference temperature, the initial blood glucose value is dynamically adjusted according to the temperature correction coefficient, and a final blood glucose detection value is obtained. By implementing the method, the detection accuracy of the glucometer can be improved.
Owner:BEIJING HUAYI JINGDIAN BIOTECHNOLOGY CO LTD
Intensive care restraint device and use method
PendingCN121943546AImprove comfortTake security into considerationRestraining devicesNursing bedsNeurovascular injuryIntensive care
The invention discloses an intensive care restraint device and a use method. The device comprises a sleeve; the lantern ring is fixed outside the sleeve; the annular air bag is fixed in the sleeve; the bandage penetrates through a gap between the inner side of the lantern ring and the outer side of the sleeve; the connecting pipe is fixed on the surface of the sleeve; the air leakage assembly communicates with the surface of the connecting pipe. Through the arrangement of the built-in annular air bag, the annular air bag can uniformly wrap and be attached to the limbs of a patient after being inflated, concentrated binding force of a traditional binding band or a rigid structure is converted into uniform surface pressure provided by the annular air bag, the risk of skin bruise and nerve and blood vessel injury is reduced, the comfort of the patient is improved, the air bag can be conveniently inflated through the inflating assembly, and the air bag is convenient to use. The restraint tightness is accurately adjusted, the restraint effect is ensured to be reliable, quick deflation can be achieved through the deflation assembly, restraint loosening or adjustment can be conveniently and emergently achieved, the overall structural design is reasonable, operation is easy and convenient, and restraint effectiveness, patient safety and clinical nursing convenience are all considered.
Owner:SANYA CENT HOSPITAL (THE THIRD PEOPLES HOSPITAL OF HAINAN PROVINCE)
Gas ring calibration box
ActiveCN224594597UJob benefitsAccurately obtain responsiveness
This utility model relates to the field of gas annular calibration box technology, and discloses a gas annular calibration box, including a calibration box, on which a detector placement module is provided. A support plate is fixedly connected to the concave surface of the detector placement module. A screw is fixedly connected to the support plate via a motor. A moving block is threadedly connected to the screw. Through the design of the angle adjustment component inside the device, the comprehensiveness and accuracy of detection can be effectively improved. Existing technology fixes the detector in a single position, making it difficult to capture the uneven gas concentration distribution inside the annular box. The adjustable angle design allows the detector to contact the delivered gas at different positions during the detection process, simulating the complex scenario of combustible gas leaking from various directions in actual applications. It can accurately obtain the detector's response performance to gas in various directions, avoiding performance misjudgment caused by a single detection direction, and effectively improving the comprehensiveness and accuracy of detection.
Owner:BEIJING YUANHENGLIYE
Novel grating reading head and detection method
PendingCN121898256ARealize in situ detectionEliminate detection errorsUsing optical meansSignal processing circuitsGrating
The invention relates to the technical field of precision displacement measurement, and discloses a novel grating reading head and a detection method.The novel grating reading head comprises a novel grating reading head body and a data output interface, and a grating reading head measuring assembly is arranged on the front face of the novel grating reading head body; the grating reading head measuring assembly comprises a high-power LED photoelectric sensor and a signal processing circuit and is used for measuring infinitesimal displacement and processing signals, and a sensor assembly is arranged on the back face of the novel grating reading head. Integration of miniaturization and multi-dimensional perception of the grating reading head is realized through front and back circuit layout, the photoelectric measurement assembly is arranged on the front of the PCB, the 9DOF, the temperature sensor and the vibration sensor are integrated on the back of the PCB, a traditional huge mechanical adjustment structure and an external sensor scheme are replaced, hardware cost and size are reduced, and meanwhile, the measurement precision is improved. In-situ detection of the state of the reading head body is realized.
Owner:TSINGHUA UNIVERSITY
Rapid soil nutrient detection method based on Internet of Things
PendingCN121783870AAchieve complementary integrationImprove stabilityMolecular entity identificationCheminformatics data warehousingSoil scienceEnvironmental engineering
The invention discloses a rapid soil nutrient detection method based on the Internet of Things. The method comprises the following steps: S1, acquiring and preprocessing soil multi-modal original data acquired by a sensing network of the Internet of Things; and S2, inputting the preprocessed multi-modal data into a preset analysis model, separating soil nutrient chemical component signals and capturing a correlation dependency relationship among multi-modal characteristics. The invention relates to the technical field of soil nutrient detection. According to the soil nutrient rapid detection method based on the Internet of Things, a multi-modal soil feature data set is formed through cooperative collection of various types of sensors such as spectrum, dielectric response and temperature and humidity, complementary fusion of different information sources is achieved, the stability and accuracy of detection are remarkably improved, a multi-modal feature embedding and attention mechanism model is adopted, and the detection accuracy is improved. Characteristic signals of chemical components of nutrients in soil can be automatically separated, and a nonlinear association relationship among different modes is captured, so that the expression and generalization ability of the model is enhanced.
Owner:黑龙江中诺检验检测有限公司
A microbiological processing workstation
ActiveCN121472026BImprove reliabilitygood repeatabilityBioreactor/fermenter combinationsBiological substance pretreatmentsBiotechnologyMicroorganism
The present application relates to the field of microorganism detection, and specifically to a microorganism processing workstation, comprising a work platform and functional modules arranged on the work platform. The functional modules comprise a plate loading module for storing plates, a sample tube loading module for loading samples, a first mechanical arm for transferring plates and sample tubes from the plate loading module and the sample tube loading module to a streaking station and a cap opening station, a sample pretreatment module comprising a second mechanical arm connected with an inoculation assembly, and under the drive of the second mechanical arm, the inoculation assembly sticks and inoculates bacteria liquid in a sample tube at the cap opening station into a plate at the streaking station, and a plate unloading module for receiving and storing plates transferred from the streaking station. The workstation adopts a framework of mechanical arms and standardized functional modules, and different users can freely add or subtract or combine functional modules according to actual sample processing needs, thereby expanding the application scenarios.
Owner:SUZHOU WANGUIYUAN PRECISION TECH CO LTD
A method for determining ultra-low carbon and sulfur content in high-purity nickel.
PendingCN122084342AEfficient removalimprove accuracyPreparing sample for investigationMaterial analysis by optical meansSulfate radicalsRelative standard deviation
This invention belongs to the field of metal composition analysis technology and discloses a method for determining ultra-low carbon and sulfur content in high-purity nickel. This method addresses the problems of matrix mismatch and insufficient detection range in existing detection methods by achieving accurate determination through the following steps: 1. Pre-treating the high-purity nickel sample using acetone ultrasonication and hydrochloric acid immersion to remove surface impurities; 2. Preparing a series of reference reagent standard samples using sucrose and sulfate standard solutions to adapt to the high-purity nickel matrix; 3. Constructing a standard curve with dual calibration of solid standard samples and reference reagents, extending the detection range to 0.0005%~0.005% for carbon and 0.0001%~0.002% for sulfur; 4. Subtracting interference through blank experiments and calculating the carbon and sulfur content in the sample according to the formula. The carbon and sulfur spiked recoveries of this invention are 95%~103% and 96%~102%, respectively, with relative standard deviations of <13.2% and <22.0%, respectively. It features fast analysis speed, high accuracy, and traceable results, and is suitable for the detection of ultra-low carbon and sulfur content in high-purity nickel and similar metal materials.
Owner:JINCHUAN GROUP CO LTD +1
Crane sling deflection detection method based on artificial intelligence
PendingCN122149447AReally reflects the actual deflection stateRealize synchronous acquisitionAngle measurementNavigation by speed/acceleration measurementsMultiple sensorData acquisition
The present application relates to the technical field of crane sling deflection detection. The present application relates to a crane sling deflection detection method based on artificial intelligence. It includes the following steps: S1, build a multi-modal perception array, synchronously collect multi-source perception data, the multi-modal perception array contains an industrial camera, an IMU inertial measurement unit, a cart trolley displacement encoder and a wind speed sensor, which respectively obtain real-time image data of the sling, inertial attitude data of the sling, crane walking motion data and on-site wind field environment data; The present application builds a multi-modal perception array composed of an industrial camera, an IMU inertial measurement unit, a displacement encoder and a wind speed sensor, realizes the synchronous collection of multi-source data of the sling image, inertial attitude, crane motion state and on-site wind field environment, breaks through the limitation of single sensor detection in the prior art, and multiple sensors play their respective roles and complement each other's shortcomings, laying a foundation for subsequent high-precision detection from the data collection level.
Owner:TIANJIN SPECIAL EQUIP INSPECTION INST
Detection tool and detection method for quickly detecting key hole site of front shell
PendingCN122041693Aimprove accuracyImprove reliabilityMechanical measuring arrangementsMechanical engineeringRapid detection
The invention discloses a quick detection tool and a detection method for key hole sites of a front shell, and belongs to the technical field of production and manufacturing of front shells of transmissions of M-series models. The measuring tool body is provided with a weight reducing groove and a through hole, the handle is fixed on two sides of the measuring tool body, the first positioning pin seat, the second positioning pin seat and the pin sleeve are fixed in the through hole through bolts, the positioning pin is detachably connected with the first positioning pin seat, the positioning pin is a rhombic pin and detachably connected with the second positioning pin seat, and the measuring rod penetrates through the pin sleeve in a sliding mode. The detection method comprises the steps of workpiece preparation, detection tool positioning, fitting degree verification, hole site detection and detection post-processing, and the hole site position degree is visually judged through the penetration smoothness of the measuring bar. The device is high in detection precision, stable and reliable in result, easy and convenient to operate, convenient to maintain, simple in structure, low in manufacturing cost, capable of effectively meeting the requirement for online rapid detection of the position degree of the key pin hole of the transmission front shell, high in practicability and suitable for application and popularization.
Owner:HARBIN DONGAN AUTOMOTIVE ENGINE MFG CO LTD +1
Walk-in rapid temperature change laboratory
PendingCN122252278ALittle elasticityavoid clampingHeating or cooling apparatusAir-pressure/air-lock chambersExperimental laboratoryTest room
The application discloses a walk-in type rapid temperature change laboratory, which comprises a test chamber, a test rack and a ring-shaped clamp unit which is spliced by at least two arc-shaped clamp units and is arranged on the test rack. The arc-shaped clamp unit comprises an arc-shaped fixed ring segment, a floating clamping petal and a zero-stiffness beam group. A positive stiffness beam in the zero-stiffness beam group provides basic elasticity, and a negative stiffness beam generates a negative stiffness response through reverse bending when the floating clamping petal is radially displaced, so as to offset part of the force increment of the positive stiffness beam. The application passively adapts to thermal expansion and contraction of a tubular workpiece by using a pure mechanical structure, keeps the clamping force constant under severe temperature change, avoids deformation of the workpiece due to over-clamping or loosening of the workpiece due to cold contraction, and is convenient to disassemble and assemble in situ due to the split structure.
Owner:东莞市环仪仪器科技有限公司
Double-layer shielding type ultra-deep stratum concrete flow state detection device and method
The application discloses a double-layer shielding type super-deep stratum concrete flow state detection device and method, belongs to the technical field of water conservancy and hydropower foundation construction, and comprises a box body, a pressure sensor and a driving mechanism are arranged in the box body, and further comprises a detection mechanism, the detection mechanism comprises an outer sleeve, an inner push rod, a driving assembly and a detection assembly; the outer sleeve is axially connected with the pressure sensor, the inner push rod and the driving assembly are arranged in the outer sleeve, a detection cavity is surrounded between the inner push rod and the outer sleeve, and the detection assembly is arranged at one end of the inner push rod close to the detection cavity. The double-layer shielding type nested structure formed by the outer sleeve and the inner push rod makes the stress signal collected by the detection assembly only be the pure axial resistance exerted by the concrete to be detected on the end face of the inner push rod, solves the defects of the existing detection device, such as detection data distortion and insufficient precision caused by resistance superposition, eliminates the detection error caused by resistance superposition, and guarantees the reliability and accuracy of the detection data.
Owner:SINOHYDRO FOUND ENG
Electric water heater leakage quick detection device
The utility model belongs to the field of electric leakage detection, especially electric water heater electric leakage fast detection device, the current device cannot realize nondestructive rapid discrimination, lead to detection process is complicated, the efficiency is low, and need direct contact live component in the dismounting process, there are electric shock, short circuit and other serious security hidden trouble problem, present the following scheme, it includes the line row box, the inside fixed setting of line row box has the circuit board, the one side of line row box is provided with the plug, the top of line row box is set up with three jack; Detection assembly is provided on the line row box and is used for detecting the electric leakage of the electric leakage wall of the electric water heater. In the utility model, through the setting of detection assembly, the user need not disassemble the equipment or contact the live component, and the whole operation from fast connection, stable contact detection to automatic discrimination of electric leakage risk can be completed, the detection efficiency is improved, and the electric shock, short circuit and other security hidden troubles in the dismounting process are completely avoided.
Owner:郑光耀
Formwork plate inclined hole angle detection device
ActiveCN224151719UObserve horizontal status in real timeEliminate detection errorsAngles/taper measurementsStands/trestlesStructural engineeringMechanical engineering
Owner:ZHEJIANG LONGYOU DINGFENG HARDWARE MFG CO LTD
Portable shafting circle grating precision automatic detection device and method of photoelectric theodolite
The application relates to a portable shaft system circular grating precision automatic detection device and method of a photoelectric theodolite, which comprises a high-precision level, a detector rotor adapter, a shaft system rotor yoke, a high-precision detector, a detector connecting ring, a shaft system connecting ring, a shaft system centering chuck, a circular grating transition ring, a circular grating, a to-be-detected shaft system stator and a to-be-detected shaft system rotor. The platform adopted in the application can be adjusted through a coupling tooling piece to adapt to various circular grating models, the installation method is simple, and the platform is not limited by space. The tower difference is adjusted through a high-precision level and a three-leg lifting platform, automatic detection is realized along with the rotation of the photoelectric theodolite, the detection time is greatly shortened, precision detection of different sampling frequencies can be realized along with the change of the rotation speed of the photoelectric theodolite, sampling points are increased by improving the sampling frequency, human eye detection errors are eliminated, and the detection precision is improved.
Owner:CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
Automatic box dropping synchronous control method and system based on multi-camera vision assistance
This invention discloses an automatic box-dropping synchronization control method and system based on multi-camera vision assistance. The method includes: installing at least four cameras on a lifting device and establishing a unified coordinate system; assigning a unified clock timestamp to the images from each camera; detecting the spatial position of keyholes in the images and associating them with the timestamps; performing time window matching on the data from different cameras based on a synchronization time threshold to form a synchronized observation set; compensating for the time difference of keyhole positions within the set according to the lifting device's movement speed; verifying the geometric consistency of the compensated data using multi-hole positions and eliminating abnormal data; calculating translational and rotational deviations based on the verified keyhole positions, generating control commands to drive the lifting device in closed-loop adjustment until the box-dropping accuracy is met. This invention effectively eliminates detection errors caused by time asynchrony between multiple cameras and lifting device movement, significantly improving the accuracy and stability of automatic box-dropping.
Owner:BROAD VISION (XIAMEN) TECHNOLOGY CO LTD
Dynamic balance detection mechanism of residual current transformer
ActiveCN224151890UEliminate detection errorsHigh positioning accuracyStatic/dynamic balance measurementPolyphase network asymmetry measurements
The utility model relates to the technical field of dynamic balance detection of electronic devices, and discloses a dynamic balance detection mechanism of a residual current transformer, which comprises a fixed bottom plate, the upper end of the fixed bottom plate is fixedly connected with a mainframe box, a system control box and a digital power box, and a current booster is arranged in the mainframe box; the mainframe is fixedly connected to the upper end of the mainframe box, an inclination mechanism is fixedly connected to the upper end of the mainframe, the mainframe is rotationally connected with a detection table through the inclination mechanism, a pitch changing mechanism is fixedly connected into the detection table, a rotating mechanism is arranged at the upper end of the detection table, and a detected workpiece is arranged at the upper end of the rotating mechanism. According to the three-dimensional space attitude adjusting device, the attitude of a three-dimensional space is automatically adjusted through linkage control of the inclination mechanism, the pitch changing mechanism and the rotating mechanism, feedback adjustment of dynamically optimizing and adjusting parameters can be conducted under control of the PLC control system, detection errors caused by installation deviation or mechanical deformation are eliminated, the positioning precision is improved, and the detection precision is guaranteed.
Owner:SHANDONG PLATINUM CRYSTAL INTELLIGENT TECH CO LTD