19results about How to "Meet reliability" patented technology

The invention relates to the technical field of stainless steel pipe fittings, in particular to a high-performance anti-corrosion stainless steel pipe fitting and a preparation method thereof.The preparation method of the high-performance anti-corrosion stainless steel pipe fitting comprises the following steps that S1, mechanical polishing is conducted; s2, removing oil; s3, acid treatment is conducted, specifically, the stainless steel pipe fitting blank obtained after oil removal is soaked in an acid surfactant solution for 5-10 min, and the stainless steel pipe fitting blank is taken out, washed with water and dried; the solute in the acidic surfactant solution comprises acid and a cationic surfactant; s4, adsorption treatment is conducted, specifically, the stainless steel pipe obtained after acid treatment is soaked in an adsorption solution containing graphene oxide for 4-10 min, and the stainless steel pipe is taken out and dried; and S5, anti-corrosion coating treatment is conducted, specifically, anti-corrosion coating is sprayed to the surface of the stainless steel pipe fitting blank, drying is conducted, and the high-performance anti-corrosion stainless steel pipe fitting is obtained. The method has the advantage that the anti-corrosion performance of the organic anti-corrosion coating can be improved.

The application discloses a high-reliability long-service-life compensator for spacecraft thermal control and a preparation method, relates to the field of space temperature control fluid loop compensators, and comprises a storage tank body, an upper cover and a bellows assembly. The upper cover is welded to one end of the storage tank body, and the bellows assembly is welded to the other end of the storage tank body. The bellows assembly is located inside the storage tank body and is used for connecting a thermal control fluid loop. A liquid cavity is formed in the bellows assembly, the liquid cavity is communicated with the thermal control fluid loop, and an air cavity is formed between the bellows assembly and the storage tank body. The main function of the compensator is to reduce fluid loop pressure fluctuation, prevent cavitation caused by excessively low inlet pressure of the loop pump, and compensate for the reduction of liquid working medium caused by long-term operation, maintenance and micro-leakage of the system. The product provided with a liquid level sensor also has a liquid level display function.

The utility model belongs to the technical field of power cables, and particularly relates to an IE-grade K3-class radiation-resistant power cable, which comprises a protective sleeve, ventilation and heat dissipation ports arranged at equal intervals are arranged on the outer surface of the protective sleeve, a connecting sleeve is arranged in the protective sleeve, a power cable is arranged on the inner wall of the connecting sleeve, and two groups of support rings are fixedly connected to the outer surface of the connecting sleeve. The side faces, close to each other, of each set of supporting rings are fixedly connected with supporting plates arranged at equal intervals, the side face, away from the connecting sleeve, of each supporting plate is fixedly connected with two sets of telescopic springs, and the ends, away from each other, of each set of telescopic springs are fixedly connected with connecting plates. Particularly, an elastic buffering system composed of a supporting ring, a supporting plate, a telescopic spring and a connecting plate can convert mechanical impact into spring deformation energy, the external force resisting performance is greatly improved, and meanwhile an efficient heat dissipation path can be formed by matching equidistant ventilation heat dissipation openings in the surface of the protective sleeve with an air channel between the protective sleeve and a connecting sleeve.

This application relates to the field of vehicle technology, disclosing a storage device, a sub-instrument panel assembly, and a vehicle. The mounting base includes a first end and a second end opposite to each other. The first end is used to connect to a mounting position on the vehicle. The second end has a receiving cavity. A movable support plate is movably connected to the second end. The movable support plate can move within the receiving cavity in a direction approaching or away from the first end to have a first position close to the first end and a second position away from the first end. A clamping assembly is at least partially disposed on the side of the movable support plate opposite to the first end and forms a clamping opening. When the movable support plate is in the first position, the clamping opening retracts to fix the target storage device in the mounting position via the movable support plate and the clamping assembly. When the movable support plate is in the second position, the clamping opening expands to remove the target storage device from the mounting position. Applying the technical solution of this application can solve the problem of insufficient comfort and convenience for rear passengers operating the rear center console screen in the prior art.

The utility model provides a material taking and placing device and assembling equipment, and relates to the technical field of part assembling processes of mechanical equipment, and the material taking and placing device comprises a mounting seat, a positioning sleeve and a connecting rod; a first lifting mechanism is mounted on the mounting seat; the positioning sleeve is vertically fixed on the mounting seat; a magnet is fixed to the lower end of the connecting rod, at least the lower end of the magnet and the lower end of the connecting rod penetrate into the positioning sleeve, the upper end of the connecting rod is connected with the output end of the first lifting mechanism, and the first lifting mechanism can drive the connecting rod to ascend and descend relative to the positioning sleeve. The assembling equipment comprises the material taking and placing device. According to the utility model, at least the beneficial effects of improving the reliability and the discharging precision during high-precision assembly of thin and small parts (materials) such as bearing gaskets, bearings and the like can be achieved.

The invention relates to a structure for improving stress of an exhaust pipe and an upper cover through a partitioned high-pressure cavity. According to the technical scheme, the problem that the stress of the exhaust pipe and the upper cover is too large due to sharp increase of refrigerant flow under the high-rotating-speed working condition of a variable-frequency scroll compressor is solved. The structure comprises an upper partition high-pressure cavity and a lower partition high-pressure cavity which are formed by a heightened upper cover and a partition baffle, and a shunting path controlled by a spring steel reed valve, a refrigerant only flows through a lower area at low rotating speed, and the reed valve is opened at high rotating speed to form a third shunting airflow, so that the vibration stress is effectively reduced, and the energy efficiency is considered.

A communication technology for converging IoT technology with a 5G communication system for supporting a high data transmission rate beyond that of a 4G system is disclosed, together with a system thereof. The disclosure can be applied to intelligent services (e.g., smart home, smart building, smart city, smart car or connected car, health care, digital education, retail, security and safety-related services, etc.) based on 5G communication technology and IoT-related technology. Methods performed by a terminal and a system in a wireless communication system are disclosed.

The utility model discloses a plug connector and a vehicle-mounted SSD system, and relates to the technical field of vehicle-mounted SSD connection, the plug connector comprises a conductive terminal, an overmolding composite unit, an insulating inner shell and an insulating outer shell, the overmolding composite unit is integrated with a primary fixing feature for locking the position of the conductive terminal, and the insulating outer shell is integrated with a secondary fixing feature for locking the position of the conductive terminal. The insulating outer shell and the insulating inner shell are each provided with a secondary fixing feature used for forming a secondary TPA fixing mechanism with the SSD. According to the utility model, the conductive terminals and the plastic substrate are combined into an integrated structure by adopting an injection molding process, the conductive terminals are fixed by integrating a primary TPA fixing mechanism, and rigid locking of the plug connector and the SSD is realized through a secondary TPA fixing mechanism, so that the problems that the conductive terminals are loosened, abraded or invalid when the existing SSD connector is applied to a vehicle-mounted working condition, and the service life of the SSD connector is prolonged are solved. And the technical problems of insufficient stability, insufficient structural strength, reduced durability after repeated plugging and unplugging, incapability of meeting the requirements, complex installation and high cost are solved.

The utility model relates to medical equipment technical field discloses an ear cap detection structure and ear thermometer for ear thermometer, including probe body, ear cap and PCB assembly, ear cap detachably sets up and assembles in the outside of probe body, PCB assembly and ear cap are intervally arranged, and are equipped with PCB button on the PCB assembly, and are equipped with detection assembly between ear cap and PCB button, push detection assembly contact PCB button through installing ear cap on probe body, and then realize the opening of PCB assembly, or through the ear cap is detached from probe body, to make detection assembly reset and far away from PCB button, and then realize the closing of PCB assembly. Introduce the effective detection mechanism whether ear cap is installed correctly, can promote the temperature measurement accuracy, avoid cross infection, and optimize user experience, to solve the existing ear thermometer, possibly lead to temperature measurement operation not standard, the measurement accuracy is influenced or equipment can not start and stop in time, influence use efficiency and reliability technical problem.

The application discloses an OCCT intelligent fuzzy reasoning code generation method based on a physical constraint VLA, and belongs to the technical field of industrial intelligent manufacturing and computer vision. Firstly, a geometry self-attention mechanism with physical rationality constraints and a multi-view consensus alignment mechanism are fused to realize millimeter-level high-fidelity three-dimensional reconstruction and point cloud registration. Secondly, component perception graph attention aggregation, industrial semantic interaction matrix and connectivity-bound consistency joint constraint training are combined to complete accurate segmentation and engineering understanding from geometry and semantics. Then, natural language fuzzy intent and accurate geometric parameters are mapped into executable parameterized modeling codes conforming to topological-syntactic constraints. Driven by fuzzy comprehensive rewards, strategy gradient optimization and causal root cause analysis are combined to realize continuous optimization of the model. Finally, through elastic weight consolidation and geometry perception knowledge distillation, the system is ensured not to forget the key features, and high-fidelity CAD models directly used for simulation and quality inspection are autonomously and intelligently generated from multi-modal raw data.

This application discloses a data processing method, comprising: obtaining a first read interference count value of a flash memory block; if the first read interference count value is not greater than a first threshold and falls within an adjustment range, obtaining statistical information, the statistical information being obtained based on a first set, including multiple original error bit counts corresponding to multiple target data units in the flash memory block, each target data unit corresponding to one original error bit count; determining whether the first read interference count value meets the adjustment conditions based on the statistical information; if it does, determining a second read interference count value of the flash memory block based on the statistical information; if the second read interference count value is greater than the first threshold, performing data migration on the flash memory block. This application also provides corresponding apparatus and storage media. The technical solution of this application can improve the accuracy of evaluating the degree of read interference affecting a flash memory block using the read interference count value, and can also avoid unnecessary GC operations while ensuring data reliability, thereby extending the lifespan of the memory.

The utility model discloses a filter membrane tensioning device for filter element production. The filter membrane tensioning device comprises a magnetic powder brake, a tensioning roller, two pushing air cylinders and a membrane clamping roller. The magnetic powder brake is connected with the tensioning roller through a coupler so as to provide tensioning torque for the tensioning roller. The two pushing cylinders are used for pushing the film clamping roller to move up and down; linear bearings are assembled at the two ends of the film clamping roller, and polished shafts are arranged on the linear bearings at the two ends; mounted bearings are arranged at the upper ends of the optical shafts at the two ends; a guide roller is mounted between the mounted bearings at the two ends; the membrane clamping roller moves up and down along the optical axis under the action of the pushing force of the pushing air cylinder so as to clamp a filter membrane with the tensioning roller; the braking torque of the magnetic powder brake is set and kept constant through the PLC; through cooperation of the magnetic powder brake and the PLC, the braking torque is accurately controlled according to a filter membrane tensioning force calculation formula, it is ensured that the tension of a filter membrane is constant in the winding process, and the overall quality of a filter element is improved.

The invention belongs to the field of subway FAS maintenance, and particularly relates to a subway FAS high-risk equipment grading maintenance system based on FMEA-FTA, and the system comprises a data collection module, a risk assessment module, a risk prediction module, a maintenance decision module, and a simulation optimization module. Wherein the data acquisition module is responsible for acquiring a multi-source data set of the subway FAS; the risk assessment module calculates a comprehensive risk score of the FAS equipment through FMEA and FTA methods and divides risk grades; the risk prediction module predicts a future comprehensive risk score trend according to the real-time data and the historical comprehensive risk score; the maintenance decision-making module generates a preliminary maintenance strategy according to a preset hierarchical maintenance strategy rule base; and the simulation optimization module drives the FAS digital twin virtual model to simulate through the preliminary maintenance strategy, and outputs an optimal maintenance strategy meeting a preset condition.

The invention discloses a methanol cell platinum-based catalyst screening method based on multi-feature fusion, and relates to the technical field of graphene and carbon-based electro-catalytic materials.According to the method, under the working condition of a methanol fuel cell anode, structural interface features, electrochemical behavior features and stability tolerance feature data of a platinum-based catalyst are synchronously collected; a corresponding data set is constructed after preprocessing; layered screening of catalyst interface electron transmission capability, intermediate reaction regulation capability and structural stability is realized by calculating an interface electron cooperation coefficient, an intermediate regulation conflict coefficient and a structural evolution tolerance coefficient and comparing with a preset threshold value or a threshold value interval; and in combination with a multi-dimensional evaluation result, targeted mechanism analysis is performed on unqualified samples, and feedback optimization design is performed, so that the scientificity, accuracy and engineering applicability of methanol battery platinum-based catalyst screening are improved.

The application relates to a data access monitoring method based on full-link micro-code burying and dynamic threshold, and belongs to the technical field of power informatization and big data processing. The method constructs a full-link micro-code burying system by implanting non-invasive monitoring probes in the key execution path of data access services, collects full-link code burying data in real time to calculate real-time link performance indexes, constructs a historical same-period performance database according to a time window, generates a dynamic threshold at the current moment based on statistics, performs abnormality determination according to the real-time link performance indexes and the dynamic threshold at the current moment, records a normal operation log if no abnormality occurs, triggers business influence cascade analysis if abnormality occurs, calculates a business influence index through the constructed topological mapping diagram of data and business, and generates a hierarchical alarm notification according to the business influence index. The application can realize accurate, intelligent and visual full-link monitoring in a massive heterogeneous data access scene.

The application belongs to the technical field of image detection, and discloses a finite element cloud atlas crack fitting method based on direction prior and dark subinterval ROI, which comprises the following steps: calculating a preliminary direction angle of the crack according to the reference point coordinates, and taking the preliminary direction angle as the direction prior; taking the direction prior as the central axis direction, and taking one of the reference points as the benchmark to construct a strip type ROI; extracting the brightness values of the pixels in the strip type ROI, and screening the pixels with brightness values lower than or equal to a threshold value as a preliminary crack candidate point set; calculating the local gradient directions of the pixel points in the candidate point set, screening out the pixel points with a deviation between the local gradient direction and the direction prior less than a preset direction tolerance to form a direction consistency set; performing total least squares fitting on the pixel point coordinates in the direction consistency set to obtain a main direction straight line of the crack and fitting parameters, and superimposing the main direction straight line on the original finite element cloud atlas to generate a crack fitting result.

The invention discloses a pipe end forming multi-step stress release method and system, particularly relates to the technical field of metal pipe non-cutting machining, and aims to solve the problems of unbalanced material internal stress release and unstable forming quality and consistency caused by extensive planning of a multi-step forming process in the prior art. Whether a preset forming path meets a stress relaxation condition or not is judged by obtaining a pipe material and geometric parameters, when the condition is met, residual stress field distribution characteristics of each step are obtained through simulation, the difference degree between the steps is calculated, and mode transfer characteristics of stress redistribution are identified according to evolution of the difference degree to evaluate the damage risk level. When the risk level is high, measuring an energy conversion efficiency parameter of the path in the verification stage, and adjusting process parameters of subsequent steps of the path in combination with the risk level and the efficiency parameter to generate and execute an optimized forming path; scientific evaluation and dynamic optimization of the forming process are achieved, orderly and sufficient release of stress is promoted, and the forming precision is improved.

The utility model relates to industrial wiring harness technical field, and disclose a kind of industrial wiring harness of convenient inspection maintenance, including plug-in seat and plug-in head, plug-in seat plug-in end face is provided with plug-in slot, plug-in head plug-in end face is provided with a plug-in boss, plug-in slot inside center is provided with a locking boss, locking boss center is provided with a threaded locking hole, the center of plug-in boss is provided with a locking groove of cooperation locking boss, locking assembly of the adaptation threaded locking hole is rotatably installed in the inside center of plug-in head, locking assembly includes rotationally installed in the inside center position of plug-in head the rotation shaft, the front end of rotation shaft is distributed in the inside center of locking groove and is provided with the locking thread with threaded locking hole, rotation shaft rear end passes out plug-in head inside and is butt joint with screw cap.Industrial wiring harness design gives consideration to the rationality of structure and the simplicity of operation, through multiple orientation and locking mechanism ensure the accuracy and firmness of connection in the process of plugging, significantly improve the stability and security of connection.

The invention provides a post-processing control method and device, electronic equipment and a storage medium, and relates to the technical field of engines. The post-processing control method is applied to a post-processing system comprising an engine, a catalytic reduction system and a particulate trapping catalyst, the engine, the catalytic reduction system and the particulate trapping catalyst are sequentially communicated, and the post-processing control method comprises the steps that the first exhaust temperature and the noise level of the engine are collected; and a fuel injection strategy of the engine is adjusted according to the first exhaust temperature and the noise level, so that the combustion mode and the exhaust temperature of the engine are controlled. According to the method, the problems that in the cold start stage, the exhaust temperature is usually low, and a conventional temperature rising means easily causes engine noise rising are solved, the exhaust temperature of the engine can be effectively increased on the premise that the noise is reduced as much as possible, and therefore cost, reliability and user experience can be considered on the premise that the emission standard is met.