24results about How to "Good performance" patented technology

The invention discloses an aviation converter fault detection method based on an information fusion algorithm, and the method comprises the steps: collecting the operation data of an aviation converter, and constructing a data set; performing time information extraction and space information extraction on the data in the data set, and performing feature fusion on time features and space features based on a variational auto-encoder to obtain spatio-temporal data; constructing a Bayesian deep learning model, and training and optimizing the Bayesian deep learning model; inputting the spatio-temporal data into the trained and optimized Bayesian deep learning model for processing, outputting a numerical value representing a fault occurrence probability, and taking a variance based on the probability numerical value as uncertainty estimation; presetting a probability threshold, and when the output probability is greater than the threshold, determining that the converter has a fault; otherwise, judging that the operation state is normal; a more accurate and reliable diagnosis result is provided for fault detection, and the method has high adaptability and robustness in practical application.

The invention relates to the technical field of chip heat dissipation, in particular to a computer chip liquid cooling heat dissipation system and method. The heat dissipation control module is used for outputting a control instruction according to the temperature difference value, constructing a chip temperature prediction model, obtaining a chip temperature prediction value, adjusting a judgment result of a heat dissipation mode according to the chip temperature prediction value, and correcting a safe working temperature value according to the use duration of the chip; and the execution feedback module is used for controlling the cooling liquid adjusting device according to the control quantity, outputting alarm information according to the cooling liquid flow, constructing a preset flow dynamic adjusting model and obtaining preset flow automatic adjusting information according to the real-time environment temperature data and the real-time computer load data. According to the invention, the potential overheating risk can be found in time, and the stability and reliability of the system are improved.

The invention discloses an equipment startup and shutdown intelligent monitoring system and method based on data analysis, and relates to the technical field of equipment monitoring. Equipment data of normal startup and shutdown of equipment in historical records are collected respectively, equipment data influencing startup and shutdown are extracted as preparation conditions, and position data of each preparation condition are collected; respectively constructing a pre-startup state and a pre-shutdown state of the equipment; screening the collected equipment data to obtain safety data of startup and shutdown of the equipment; constructing a start-stop process curve of all safety data, and calculating according to the start-stop process curve to obtain a start-stop safety time threshold value and a stop-start safety time threshold value of the equipment; when the equipment needs to be started and stopped, whether the real-time position data of the equipment meets the pre-starting state and the pre-stopping state or not is judged, and the real-time starting-stopping interval time and the stopping-starting interval time are judged through the starting-stopping safety time threshold value and the stopping-starting safety time threshold value.

The invention discloses an EMC (Electro Magnetic Compatibility) state evaluation system and method applied to a capacitor, and relates to the technical field of capacitor state evaluation, the evaluation system comprises a plurality of function modules which run in sequence, and the function modules are respectively an arrangement collection module, a signal processing module, a feature extraction module, a state evaluation module and an alarm feedback module; the technical key points are as follows: the system builds a life prediction model, generates a life prediction index of the capacitor according to the change trend of a comprehensive performance estimation value, and analyzes the change trend of the life prediction index in different periods, so that potential problems can be found in time, and corresponding maintenance measures can be taken; the normal operation of the capacitor is ensured; the service life is prolonged; the overall scheme not only solves the technical problem of capacitor performance and life evaluation, but also realizes real-time and accurate evaluation, and provides powerful support for normal operation and maintenance of the capacitor.

The invention relates to the technical field of wires, and provides a high-temperature-resistant silicone rubber cable which comprises a plurality of wires. The cooling body is provided with a plurality of containing grooves, the wires are located in the containing grooves, the cooling body is further provided with a first inner cavity, the first inner cavity is used for containing cooling liquid, and the cooling body is made of heat conduction materials. The wire and the cooling body are positioned in the sheath; the filling layer is located between the sheath and the cooling body and between the sheath and the wire. According to the technical scheme, the problem that the heat resistance of a high-temperature-resistant cable is difficult to improve in the prior art is solved.

The invention discloses a natural gas engine performance monitoring system and method, and relates to the technical field of engines, and the system comprises a controller, a quality sensor and a pressure sensor; the quality sensor comprises an engine oil quality sensor and an air outlet flow quality sensor; the engine oil quality sensor is used for detecting oil product information of engine oil in a static state; the gas outlet flow quality sensor is used for detecting the gas leakage amount of the engine and the gas quality information of the gas in the static state and the dynamic state; the pressure sensor is used for detecting the pressure of the crankcase in a static state and a dynamic state; in the static state, the controller judges whether engine oil of the engine is replaced or not according to data collected by the engine oil quality sensor and judges whether the engine can start or not according to data collected by the air outlet flow quality sensor and the pressure sensor; in the dynamic state, the controller can judge whether the dynamic measurement value of the engine is within the pressure difference range or not according to data collected by the air outlet flow quality sensor and the pressure sensor, and if the dynamic measurement value exceeds the pressure difference range, torque limiting is conducted.

The invention discloses an electronic parking device comprehensive testing platform, which relates to the technical field of electronic parking device testing, and comprises: a testing platform, a fixture group, and also comprises: a position deviation judgment component and a testing accuracy maintenance component, wherein the position deviation judgment component is located above the testing accuracy maintenance component; through the design of the arc-shaped groove of the 8-shaped groove, when gas is indirectly stored for the testing accuracy maintenance component under the cooperation of the sliding block and the 8-shaped groove, since the stored gas is gradually increasing, its gas pressure is also gradually increasing. In this process, each time the 8-shaped groove and the sliding block involved in gas storage move with the air pushing plate with the connecting rod, the reaction force on the groove wall of the 8-shaped groove will gradually increase, but due to its arc-shaped design, the force can be effectively dispersed, and the point of action of the force can be adjusted in real time at different positions of the groove wall of the 8-shaped groove during the rotation of the rotating disk. The above design can maintain a good performance state during long-term operation.

The utility model provides a light truck tarpaulin troop carrier. The light truck tarpaulin troop carrier comprises a frame, a headstock and a carriage are fixedly mounted at the top of the frame, a steel framework is fixedly mounted at the top of the carriage, rainproof tarpaulin is arranged on the outer side of the steel framework and fixedly connected with the steel framework and the carriage, two rows of wooden seats are arranged in the carriage, and the two rows of wooden seats are fixedly connected with the steel framework. The sides, away from each other, of the two rows of wooden seats make contact with the inner walls of the two sides of the compartment correspondingly. Two getting-on handrails are arranged on the side, away from the vehicle head, of the compartment, and the two getting-on handrails are symmetrically arranged; an anti-corrosion wood seat cushion is fixedly installed on the top of the wood seat, and anti-corrosion wood backrests are fixedly installed on the inner walls of the two sides of the compartment. The light truck tarpaulin troop carrier provided by the utility model has the advantages of flexibility and high efficiency of a civil light truck and capability of meeting special requirements of military transportation.

The invention discloses a monitoring method, system and device based on a Spark stream-oriented computing framework and a medium. The method comprises the steps that the name of a Spark stream processing program is configured; the ID of the Spark stream processing program is inquired; acquiring statistical data of the Spark Web UI, and acquiring an HTML (Hypertext Markup Language) file for displaying statistical information of the stream processing program; the method comprises the following steps of: extracting a Javascript statistical code snippet in an HTML (Hypertext Markup Language) file, and extracting a Javascript code snippet containing time sequence statistical data; the Javascript code snippets are executed, and data are extracted; monitoring data is assembled into a Prometheus format, and the extracted data is assembled into a Prometheus-compatible monitoring data format in combination with an ID, a name and a monitoring index class of a Spark stream processing program; and the monitoring data is stored in a Promeheus, and the assembled monitoring data is pushed to a Promeheus monitoring system. The performance indexes of the system can be fed back in real time through real-time monitoring, so that a worker can quickly recognize and solve the performance bottleneck and accurately position the problem, resource utilization is optimized, the processing efficiency is improved, and it is ensured that the Spark streaming computing framework can continuously maintain the optimal performance state.

The application discloses a kind of multi-modal meme graph sentiment detection methods, the present application has carried out fine data preprocessing work to meme graph data, and with VL-BERT, UNITER, Villa these 3 kinds of multi-modal pre-training model as foundation, through input entity, character feature information, introduce the loss function and classification head of improvement hierarchical multi-label classification by introducing adversarial training, multi-modal pre-training model has been improved.The improved model has good effect on meme graph sentiment detection task and sentiment type fine classification task, and the performance exceeds all multi-modal basic classification models and its improved version in the experiment.

The invention relates to the technical field of oil exploitation, in particular to an oil exploitation method using a nano motor, which comprises the following steps: acquiring geological parameters of a target oil reservoir area and characteristic parameters of the nano motor; based on the geological parameters and the characteristic parameters, an oil reservoir-nano motor coupling model is constructed, and the initial injection speed and initial injection pressure of a nano motor are determined; injecting the nano motor into the target oil reservoir area based on the initial injection speed and the initial injection pressure, and detecting initial behavior characteristics of the nano motor in the initial injection process; determining an injection mode of the key injection process based on the initial behavior characteristics of the nano motor in a preset time period; key behavior characteristics of the nano motor in the key injection process are detected, and whether the injection mode needs to be adjusted or not is judged based on the key behavior characteristics. According to the invention, the injection efficiency and the distribution uniformity of the nano motor can be improved.

The application relates to a rolling bearing domain adaptive fault diagnosis method based on an attention mechanism. Collected rolling bearing vibration monitoring signals are extracted to deep fault features by a one-dimensional separable convolution and embedded channel attention mechanism and length attention mechanism feature extractor; a local attention domain adaptive module and a global attention domain adaptive module are constructed to screen signals and signal segments with good migratability, so that the generalization ability of the model is improved, the model can better cope with the variable working condition fault diagnosis problem; compared with a migration learning intelligent fault diagnosis algorithm, the algorithm considers that different signals and signal segments have different migratability, and the model has improved explainability; experiments on various bearing vibration data verify that the algorithm has good performance stability and can still have excellent diagnosis results under various working condition change conditions.

The invention relates to a data management method, device and equipment based on a Hailatile technology and a medium, and the method comprises the steps: determining business demand information based on the business process data of a Hailatile system, and the business demand information comprises a business link corresponding to Hailatile annotation data and a use scene corresponding to the Hailatile annotation data; and based on the business demand information and the system performance parameters, obtaining a classification management rule corresponding to the Halatile annotation data. According to the method and the device, the standardized classification management rule is formulated, so that the consistency and the accuracy of the processing process of the Hailatile annotation data can be ensured, the processing efficiency is improved, and the repetitive work is reduced.

The utility model discloses a mold forming device for manufacturing a high-performance novel polymer fiber pipe, relates to the technical field of fiber pipes, and solves the problems that if a driving mechanism cannot stably and effectively clamp a mold main body with large outer diameter difference, frequent replacement of an adaptive mechanism is long in time consumption in production efficiency, the production rhythm is slowed down, the productivity is greatly reduced, and the production cost is reduced. In order to solve the problems that in the aspect of product quality, due to the fact that a mold rotates easily to deviate and shake, fiber adsorption is uneven, the product quality is uneven, and the defective rate is violently increased, a supporting frame is included, a clamping mechanism comprises an inner ring and a notch, a clamping plate is fixedly installed at one end of a spring, and a gear ring is fixedly installed on the outer side of the inner ring. And the clamping plate effectively clamps the die main body with large outer diameter difference under the action of elastic force through the springs mounted on one side of the clamping plate, so that the problems of long time consumption and slow production rhythm caused by frequent replacement of the adaptive mechanism in production efficiency are solved, and the production fluency and efficiency are improved.

The utility model discloses a low noise electric sliding platform relates to low noise electric sliding platform technical field, including fixed base, the downside front and rear both ends of fixed base are connected with a plurality of connecting blocks, and the outside lower extreme of connecting block is equipped with the damping box, and the downside fixed connection of connecting block has the buffer board, and the left and right sides of buffer board are slotted with a plurality of lower limit slide groove, and the downside front and rear both ends of buffer board are fixedly connected with damping spring, and the inside fixed connection of damping spring has the shock absorber, the upside left and right both ends of fixed base are fixedly connected with the support side frame, and the inside rotation of support side frame is connected with the rotation axis, and the left side fixed connection of rotation axis has the servo motor, and the right side fixed connection of rotation axis has the rotation lead screw, the outside screw thread connection of rotation lead screw has the removal sliding platform, the outside of servo motor is equipped with motor fixed frame, one side fixed connection of support side frame has a plurality of linear guide rails, and the outer surface slot of support side frame has a plurality of clamping grooves.

The invention discloses a floating type photovoltaic platform based on a modular floating body and an installation method, and belongs to the technical field of new energy. The platform comprises a platform main frame, a photovoltaic module, a buoy and a gravity anchor. The platform main frame comprises a supporting column, a photovoltaic module support, a connecting support and a support base plate. The photovoltaic module comprises a photovoltaic module support and a photovoltaic panel. The connecting support is arranged in the middle area of the supporting column. The photovoltaic module bracket is arranged in the top area of the supporting column; the buoy is arranged on the supporting column, and the support base plate is arranged at the bottom of the supporting column. The support base plate is connected with a gravity anchor, and a plurality of photovoltaic panels are arranged above the photovoltaic module support. While the structural strength and stability of the platform are ensured, the platform is modularly designed, the photovoltaic power generation efficiency is improved, and the platform can cope with complex water environments and severe weather conditions.

This utility model discloses a water-cooling device for the stator of a two-wheeled electric vehicle motor. The device includes a motor comprising a hub, a housing formed by an end cover mounted on the side of the hub, a motor shaft, and a cooling structure. The motor shaft passes through the hub and the end cover, and a stator is fitted into the center of the housing. The hub, along with a magnet seat mounted on its inner wall and the end cover, forms a rotor that rotates relative to the stator. An annular groove is provided on the side of the stator to accommodate the cooling structure. The cooling structure stores a cooling medium and circulates with other cooling media to remove heat generated during operation, thus cooling the motor. This utility model dissipates heat from the motor by using a built-in cooling structure near the stator and rotor close to the hub, preventing excessively high local temperatures during motor operation and ensuring good cooling for the motor under any operating conditions.

The utility model belongs to the technical field of LED display screens, and discloses a planar water drop LED display screen module which comprises a shell, the longitudinal section of the shell is in a water drop shape, the shell is connected with a power source installation plate and a system plate, the shell is detachably connected with a lamp panel, the lamp panel is electrically connected with the power source installation plate and the system plate, and the shell is connected with a first installation shell and a second installation shell. The first mounting shell is connected with a first spring, the other end of the first spring is connected with an insertion block, the insertion block is slidably connected with the first mounting shell, the shell is provided with a first insertion hole and a second insertion hole, the first insertion hole and the second insertion hole are matched with the insertion block, the insertion block is provided with a hidden groove, the inner wall of the hidden groove is connected with a second spring, the other end of the second spring is connected with a clamping block, and the clamping block is slidably connected with the hidden groove. The second mounting shell is connected with a third spring, the other end of the third spring is connected with an extrusion plate, and the extrusion plate is slidably connected with the second mounting shell. The utility model can bring strong visual impact to people, is more artistic and modern, and can better meet the pursuit of people for personalized visual experience.

The utility model discloses a continuous casting spray gun atomized water spraying effect off-line detection device, and relates to the spray gun performance detection field, the continuous casting spray gun atomized water spraying effect off-line detection device comprises an operation table and a fixing plate, the upper end of the operation table is fixedly connected with a first support plate, and the first support plate is internally provided with a water inlet pipe; compared with the prior art, the spray gun testing device has the advantages that the actual operation working condition of the spray gun can be simulated through the water inlet pipe, the air inlet pipe, the first connecting pipe, the second connecting pipe and the like, so that judgment can be performed according to the atomization taper, coverage uniformity and the like of water mist, and quality defects caused by non-uniform cooling or local supercooling are effectively avoided; meanwhile, it can be ensured that the spray gun reaches the optimal performance state before being put into use officially; the movable plate can move circularly through the electric push rod, the connecting base, the guide rod and other assemblies, so that the blocking cover is cleaned, the observation blind area caused by water stain shielding is effectively avoided, and meanwhile the definition and reliability of real-time observation can be improved.

The utility model discloses a kind of micro plunger pumps, comprising: pump body, cylindrical coil, movable core in the axis of cylindrical coil, water inlet pipe and water outlet pipe, valve port is opened in water outlet pipe, check valve assembly is provided at the outlet of valve port and is matched with movable core, to control the on-off of valve port, it is characterized in that, check valve assembly includes the check valve plug made of elastomer material and the cylindrical check valve seat made of metal or polyformaldehyde, elastic component and check valve support seat, check valve seat is installed at the outlet of valve port, the top of check valve seat is provided with the first through-hole corresponding with valve port, elastic component is installed at the end of check valve plug and is matched with check valve support seat to make the arc surface of check valve plug and the outlet of first through-hole abut, the check valve plug made of elastomer material and the cylindrical check valve seat made of metal or polyformaldehyde, not easy to occur chemical reaction, can effectively solve the problem of check valve plug and valve port adhesion.

The utility model discloses an underwater sealed connector, including male end connector and female end connector, male end connector includes first casing, a plurality of contact pins, support framework, sealing element and elastic part, a plurality of contact pins are fixed on the base in first casing, and the outside of contact pin is wrapped with insulating part, and the insulating part is provided with opening to expose the contact of contact pin The part, a plurality of through -holes corresponding to a plurality of contact pins are set up on the support framework, and one end of elastic part is in abutment with the base, and the other end is in abutment with the support framework, and sealing element is in abutment with insulating part to seal the contact part, female end connector includes second casing and a plurality of located in the plug -in end of second casing's insertion slot, and a plurality of insertion slots are set up with contact pin one -one correspondence. The utility model solves the problem that the needle type plug of underwater sealed connector lacks protection when the underwater equipment is maintained currently.

The invention discloses a circuit board detection method and system based on artificial intelligence, and relates to the technical field of circuit board detection, and the method comprises the steps: recording the initial data of each circuit board sample; constructing a three-dimensional digital detection model of the circuit board sample; generating a corresponding loss image of the circuit board sample through a computer graphics technology; obtaining a circuit board sample loss feature image; identifying key factor data of circuit board sample loss; evaluating the severity of the loss of the circuit board sample; and judging whether the circuit board sample meets a preset performance standard or not. By constructing the three-dimensional digital model of the circuit board and performing automatic image analysis, the key factors of the loss of the circuit board sample can be quickly and accurately identified, the detection efficiency and accuracy are greatly improved, and the detection accuracy is greatly improved through automatic and intelligent processing. The labor cost required by manual detection is reduced, the rework or scrap cost caused by detection errors is reduced, and the total production cost can be remarkably reduced.

The application discloses a preparation method of sunflower seed protein powder based on dry separation. The method combines subcritical extraction, drying treatment, fine crushing, screening and airflow classification technology to efficiently prepare sunflower seed protein powder with high natural functional property retention rate. The specific steps include: firstly, finely crushing selected sunflower seeds to obtain sunflower seed coarse powder, then using subcritical extraction technology to defat the sunflower seed coarse powder to obtain sunflower seed meal; then, fine crushing the sunflower seed meal and drying treatment to adjust the moisture content; then, the crushed product after drying treatment is preliminarily screened through a vibrating screen; then, the undersize components obtained by screening are separated through an airflow classifier, and finally, sunflower seed protein powder is successfully prepared. The application takes dry separation technology as the core to prepare sunflower seed protein powder, and has high protein content and extraction rate. Compared with the traditional wet method, the method is simple in process and low in cost, can effectively reduce protein denaturation and environmental pollution, and is more conducive to retaining the natural functional properties of sunflower seed protein.

The invention relates to the technical field of metal casting machining, in particular to metal casting machining surface and blank surface junction burr removing equipment which comprises a truss robot, a gripper placing table, a tool magazine, a positioner, a safety fence, a discharging bin, a quick change system, a newly-added truss protection and control cabinet. According to the metal casting burr removing equipment, through the high-precision positioning and grabbing capacity of the truss robot and the visual recognition technology of the 3D visual machine, high-precision scanning and positioning of workpieces are achieved. In this way, it is guaranteed that the workpiece is accurately placed on the positioner, and the truss robot can accurately remove burrs of all parts of the workpiece according to the generated polishing path. And meanwhile, the automation degree of the equipment is extremely high, and the truss robot can automatically replace the cutter as required, so that the production efficiency is greatly improved. Through the combination of high precision and automation, the equipment has remarkable advantages in the field of metal casting machining.