19results about How to "Realize dynamic detection" patented technology

The application provides a material dust detection method and device based on a friction nanogenerator, and belongs to the technical field of dust detection. The method comprises the following steps: respectively dropping material particle samples with different dust contents from a hopper, measuring the electric signal strength or variation generated by the friction between the material particle samples and the friction nanogenerator when the material particle samples fall in the hopper, determining the corresponding relationship between the dust content value of the material particle samples and the electric signal strength or variation, and taking a curve representing the corresponding relationship as a dust content and electric signal contrast relationship curve; dropping a material particle to be detected from the hopper, and measuring the electric signal strength or variation generated by the friction between the material particle to be detected and the friction nanogenerator when the material particle to be detected falls in the hopper; and determining the dust content value of the material particle to be detected according to the electric signal strength or variation generated by the friction of the material particle to be detected and the contrast relationship curve. The application can realize dynamic monitoring and real-time detection of the dust content in material production.

The invention relates to the technical field of high-elasticity wear-resistant cotton elastic fabric, in particular to elasticity detection equipment for high-elasticity wear-resistant cotton elastic fabric and a detection method thereof.The elasticity detection equipment comprises a fabric conveying seat, an elasticity detection mechanism is arranged in the middle of the top of the fabric conveying seat, and the fabric conveying seat comprises a bottom plate; according to the high-elasticity wear-resistant cotton elastic fabric elasticity detection device, by arranging the fabric conveying base and the elasticity detection mechanism, dynamic detection of the elasticity of the high-elasticity wear-resistant cotton elastic fabric is achieved. A double-roller linkage structure is adopted, a tension gradient is formed through synchronous reverse movement of a pull-down roller and a pushing roller, and a high-precision optical scanning technology of a scanning inclined plate is matched, so that stress-strain curves of cloth in different deformation stages can be obtained in real time. In the detection process, a built-in control system of the equipment can automatically adjust the rotating speed of the motor according to preset parameters, and the stability and repeatability of the tension applying process are ensured. Compared with a traditional detection method, the equipment improves the detection efficiency.

The invention discloses a construction method and device for a mobile robot map and a storage medium, and belongs to the technical field of positioning and mapping. The construction method comprises the following steps: acquiring a current measurement point cloud and a current prediction pose of the mobile robot at a current moment; performing normal distribution transformation matching on the current measurement point cloud and a point cloud corresponding to the current prediction pose on a pre-constructed global voxel map to obtain a point cloud global matching residual error; performing iterative nearest point matching on the current measurement point cloud and a point cloud corresponding to a current prediction pose on a pre-constructed local dense map to obtain a current observation pose and a point cloud local matching residual error; determining a current actual pose according to the current observation pose, the current prediction pose and the point cloud local matching residual error, and obtaining a current actual point cloud matched with the current actual pose; and constructing a mobile robot map according to the current actual pose and the current actual point cloud. The method is used for improving the construction precision of the mobile robot map.

The invention discloses an environment-friendly rubber processing and manufacturing method, and relates to the technical field of environment-friendly processing and manufacturing, and the method comprises the following steps: filling a filter box with a corresponding filter medium, putting raw materials into an internal mixing seat, starting a driving mechanism, carrying out internal mixing processing on rubber, limiting the balance air pressure of tail gas, and adjusting the ratio of cold air flow to hot air flow. According to the method, the internal mixing temperature is dynamically limited, air is inflated and deflated into the air guide head, the plasticity standard value is limited, and subsequent processing work is carried out after the internal mixing work is completed, the plastication work and the plastication detection work can be effectively considered, the trouble of lagging detection on the rubber plastication quality control work is effectively eliminated, the waste output is reduced, and the working efficiency is improved. According to the method, the environmental pressure is relieved, the effective output rate is increased, the detection work is visualized and embodied, the directness of the detection work is improved, the fluidity and plasticity of produced rubber can be directly controlled more simply and effectively, and more sufficient preconditions can be provided for subsequent processing.

The utility model provides efficient mold capacity detection equipment, and belongs to the technical field of beer bottle production. Comprising a bottom plate, a vertical frame is fixedly connected to the top of the bottom plate, an air cylinder is fixedly connected to the top end of the vertical frame, a fixing column is fixedly connected to the bottom of the air cylinder, edge grooves are formed in the two sides of the fixing column, and rotating arms rotationally connected to the bottom ends of the edge grooves can be stored in the edge grooves; through mechanical linkage of the rotating arm, the spring, the abutting blocks and the sliding rod, dynamic detection of the diameter of the inner cavity of the die is achieved, the device can make contact with the two ends of the inner cavity of the die through the abutting blocks on the two sides, the inner cavity extrudes the abutting blocks, the abutting blocks can be allowed to move through the spring, the sliding rod is driven to move, and the displacement amount of the sliding rod is detected through the displacement sensor. By means of the structure, the problem of errors caused by reflection or transparency of glass in traditional optical detection is avoided, and the practicability of equipment is improved.

The invention relates to the technical field of hydropower station diversion tunnel incoming water detection, and discloses a hydropower station diversion tunnel incoming water variation dynamic detection method and system, and the method comprises the steps: obtaining three-dimensional space point cloud data of a hydropower station diversion tunnel through an airborne laser radar; calculating pondable volumes at different elevations through geographic information system software according to the three-dimensional space point cloud data to obtain a diversion tunnel elevation-pondable volume mathematical model; identifying the water level edge in the monitoring picture of the diversion tunnel of the hydropower station through a Canny edge detection algorithm, and converting the pixel height of the water level edge into the actual water level height; the actual water level height is substituted into the diversion tunnel elevation-pondable volume mathematical model, and the ponding amount of the current water level is obtained; furthermore, the accumulated water amount of the current water level is regularly detected, so that accurate and dynamic detection of incoming water variation of the diversion tunnel of the hydropower station is realized, and the adaptability in different detection environments is improved due to the fact that limitation caused by water quality, space irregularity and the like is avoided.

The utility model provides an etching cavity environment testing device and an etching machine table, the etching cavity environment testing device comprises a fixed part, a top door plate, an FBAR sensor and a standard sheet, a cavity penetrating through the fixed part is arranged in the fixed part, the end part of the top door plate is movably connected with the side wall of the fixed part and covers the cavity, the FBAR sensor is located on the surface of the top door plate, and the standard sheet is located on the surface of the top door plate. And the marking sheet is located on the surface of the FBAR sensor and performs position conversion in the cavity through rotation of the top door plate. The device can dynamically detect the quality of sediments on the surface of the cavity, detect the environment change of the cavity, simulate the adhesion process of by-products in the cavity to the greatest extent, and conveniently analyze the components of the etching by-products through the rotation of the top door plate under the condition that the cavity is not opened; the influence on the cavity process can be greatly reduced; in addition, a bottom door plate can be arranged to further improve the leakproofness of the etching cavity in the testing process, and the influence on the environment of the etching cavity in the testing process is avoided.

The invention relates to a model construction method and application for testing toxicity of environmental pollutants to primary arterial smooth muscle cells-endothelial cells. The method comprises the following steps: uniformly mixing primary arterial smooth muscle cells and a BD-Matrigel matrigel solution by adopting a convection type double-channel microchip, filling a cell culture channel with the mixture, filling a single-cell suspension of the primary arterial endothelial cells, constructing a primary arterial smooth muscle cell-endothelial cell in-vitro layered co-culture model, and after the model is intervened by environmental pollutants, establishing a primary arterial smooth muscle cell-endothelial cell in-vitro layered co-culture model. Collecting liquid in the diffusion pool and detecting the secretion level of the liquid; and observing the state and dynamic change of the gap junction channel formed by the smooth muscle cell-endothelial cell and the expression condition of the gap junction protein by using a laser confocal microscope. The construction of the model provides a new target for occurrence and development of arterial vascular remodeling and functional lesions caused by environmental exposure of harmful substances and drug prevention and treatment.

The present invention provides a method for predicting multi-drug treatment response based on blood viscosity changes, comprising: dynamically detecting blood rheology parameters through a fully automatic blood viscosity monitor, evaluating blood viscosity changes, and providing a basis for formulating a multi-drug treatment plan; constructing a knowledge map of interactions between multiple drugs, collecting drug-drug, drug-food, and drug-disease interaction relationship data, and providing a reference for the selection of multi-drug combination medications; collecting patient compliance and lifestyle information during multi-drug treatment, establishing a model to evaluate the correlation between these factors and medication efficacy and adverse reactions, and providing health management advice; designing an intelligent voice assistant for medication reminders and monitoring, performing disease tracking, consulting services, etc., to help patients use multiple drugs correctly; re-detecting the patient's hemostasis parameters, evaluating the blood viscosity changes before and after multi-drug treatment, establishing a database to collect effective cases, and providing support for new drug research and development.

The invention provides a data communication method, a data communication system and a domain controller, and relates to the technical field of data communication. The method comprises the steps that a microcontroller responds to a first general purpose input and output port of a microprocessor to be switched from a high level to a low level, and a second general purpose input and output port and a third general purpose input and output port are set to be high levels respectively; the microcontroller responds to the received first data sent by the microprocessor and switches the second general purpose input / output port from the high level to the low level; and the microcontroller switches the third universal input / output port from the high level to the low level in response to the failure of verification of the first data. The method can reduce the probability of data communication failure.

The utility model relates to the technical field of mines, in particular to a mine dust detection device, which adopts the technical scheme that the mine dust detection device comprises a bottom plate, a screw block and a retainer, a screw sleeve is movably mounted at the top of the bottom plate, a stud is fixedly mounted at the bottom of the retainer and is in meshed connection with the screw sleeve, and a screw rod is movably mounted on the retainer and is in meshed connection with the screw sleeve. The screw block is in meshed connection with the screw rod, a servo motor is installed on the side face of the retainer, a bearing plate is installed on the top of the screw block, fixing plates are welded to the two sides of the top of the bearing plate, screw holes are formed in the two fixing plates, and screw rods are in threaded connection with the inner walls of the two screw holes; the opposite ends of the two screw rods are movably provided with clamping plates, and the opposite sides of the two clamping plates are fixedly provided with a detection device body in a clamping manner. The detection device has the advantages that the height of the detection device body can be adjusted, the detection device body is driven to transversely move back and forth for maintenance, dynamic detection is further realized, the detection range is expanded, and the operation difficulty is reduced.

The present invention discloses a groundwater level monitoring device for geological exploration, comprising a support ring fixed by an external frame support and a floating plate floating on the liquid surface of the water area to be surveyed, a connecting column fixedly connected to the arc profile of the support ring, a limit plug rod fixedly connected to the lower surface of the connecting column, the surface of the limit plug rod penetrates the floating plate and is connected to the floating plate in a limited sliding manner, a rotating column is connected to the inner wall of the support ring in a fixed-axis rotation, a connecting frame is fixedly sleeved on the arc profile near the top of the rotating column, and two side support plates are fixedly connected to the surface of the connecting frame. The present invention, through the coordinated use of the above structures, solves the problem that in actual use, the existing water level monitoring equipment mostly monitors the water area to be surveyed at a fixed angle, the monitoring results are not comprehensive enough, especially when the water level changes, it is inconvenient to quickly observe the water level of the water area from multiple angles.

The utility model discloses a portable contact net dynamic inspection device, including the walking mechanism of direct erection on the rail, and the rack of walking mechanism still includes binocular detection module, binocular detection laser, pendant imaging module, suspension imaging module and limit detection module, binocular detection module symmetry sets up on the upper surface of both sides of rack, and binocular detection laser sets up in the upper surface middle part of rack, and pendant imaging module symmetry sets up on the upper surface of both sides of rack and forms the opposite direction of imaging, and limit detection module sets up in the upper surface middle part of rack close to binocular detection laser, and suspension imaging module sets up between pendant imaging module and limit detection module. The utility model can realize dynamic detection to contact net geometric state, suspension state and limit state simultaneously, and the structure is reasonable, compact, and the function integration degree is high, and the installation and use are convenient and flexible, and the whole operation of installation, use and recovery can be completed only by less manual operation on the spot.

The utility model discloses a kind of rock wool board size monitoring devices, relate to rock wool board production detection technical field.The device includes laser displacement sensor group, positioning device, pneumatic execution device and control system.Laser displacement sensor group is by symmetrically arranged width sensor, top thickness sensor and rear length sensor composition, realize long, wide, thick three-dimensional synchronous non-contact measurement.Positioning device is fixed rock wool board by baffle and clamping pneumatic cylinder, and pneumatic execution device includes lifting mechanism and sorting push rod.Control system uses PLC real-time analysis sensor data, triggers acousto-optic alarm when out-of-tolerance and eliminates unqualified product.The device uses modular design, adapts to different specifications rock wool board, solves the problem of traditional detection efficiency, single dimension and complex mechanical structure, significantly improves detection precision and production adaptability.

The invention belongs to the technical field of collapsible loess stratum research, and provides a collapsible loess stratum in-situ test device and method.The collapsible loess stratum in-situ test device is characterized in that a plurality of detection rods are arranged on a positioning box, and a plurality of water quantity sensors are arranged on the portions, located outside the positioning box, of the detection rods; the water content detected by each water quantity sensor is converted into a color value through a processor, the water content in different soil layers in a three-dimensional space of the soil and the flowing direction of underground water are obtained through the color values, and dynamic detection of the water content of the soil at different positions is achieved; the water content and the water flow direction of different layer positions in the three-dimensional space of the soil are detected in real time in a simple and visual mode, the diffusion condition and trend of the underground collapsible loess are known in real time, reference such as the position can be provided for foundation stabilization construction measures, and the construction efficiency and safety are guaranteed.

The invention discloses a dynamic detection method for the mechanical property of an in-service pavement, and belongs to the technical field of pavement mechanical property detection, and the method comprises the following steps: based on vehicle-road coupling dynamics, determining the interference quantity of vehicle and road vibration in vehicle-mounted sensor test data on a walking device, and further improving the test precision of road response quantity; on the basis of impact dynamics, a load applying excitation assembly for the road surface is designed, and quantitative excitation of the road surface is achieved; based on vehicle dynamics and in combination with a modulus inversion method, the mechanical properties of the in-service pavement layered system are calculated. According to the invention, dynamic detection of the mechanical properties of the pavement can be realized, the detection interval can be adjusted according to different requirements, the dynamic stability of the walking device under multiple working conditions is analyzed, a stable test platform is provided for dynamic detection of the mechanical properties of the in-service pavement, and the detection efficiency and precision are both considered.

The present invention relates to a smoking path simulation system based on a manipulator, and belongs to the technical field of cigarette detection. The system includes a chassis, a manipulator fixedly arranged in the chassis, and a cigarette holder installed at the working end of the manipulator, and also includes a feeding device, a cigarette ejecting device and a cigarette lighting device arranged in the chassis and located around the manipulator, and an image acquisition device installed at the working end of the manipulator. The present invention can simulate the action path of consumers smoking cigarettes, and can ensure the consistency of the simulated action path each time, thereby effectively improving the accuracy of the detection of cigarette combustion performance indicators such as cigarette combustion ash characteristics.

The invention discloses an environmentally friendly rubber processing and manufacturing method, which relates to the technical field of environmentally friendly processing and manufacturing, and comprises the following steps: filling a corresponding filter medium into a filter box, feeding raw materials into a mixing seat, starting a driving mechanism, performing rubber mixing processing, limiting the balanced air pressure of exhaust gas, adjusting the ratio of cold and hot air flows, dynamically limiting the mixing temperature, filling and discharging air into an air guide head, limiting the standard value of plasticity, and performing subsequent processing work after completing the mixing work. The invention can effectively take into account both plasticizing work and plasticizing detection work, effectively eliminate the constraints of delayed detection on rubber plasticizing quality control work, reduce waste output, alleviate environmental pressure, improve effective output rate, visualize and concretize the detection work, improve the directness of the detection work, and can more simply and effectively directly control the fluidity and plasticity of the output rubber, and can provide more sufficient preconditions for subsequent processing.

The utility model belongs to detection circuit technical field relates to a kind of nonlinear temperature drift dynamic bias detection circuit of vehicle-mounted audio power amplifier, including PTAT circuit, NTC circuit, A2B bus, difference operational amplifier circuit, voltage divider network, audio signal amplification circuit and its connection relationship.The utility model carries out mixed temperature detection by integration PTAT circuit and NTC circuit, then carry out difference design to eliminate non-linear error, generate compensation voltage V comp , temperature sampling of multiple temperature nodes is triggered by A2B bus protocol synchronization signal, temperature sampling and audio data time domain alignment are realized, and compensation voltage V comp It is injected into the voltage divider network of MP7722DF power amplifier chip REF pin, and bias voltage dynamic detection is realized.