35results about How to "Stability advantage" patented technology

The utility model belongs to the technical field of mechanical engineering, and particularly relates to a bearing fatigue life testing machine which comprises a bottom plate, a support fixedly connected to the top of the bottom plate, a driving mechanism arranged at the top of the support and comprising an air cylinder located at the top of the support, a motor connected to the telescopic end of the air cylinder, and a top seat connected to the output end of the motor. A base is rotationally connected above the bottom plate, a bearing to be detected sleeves the base, and applying mechanisms are connected to the two sides of the support. Through the combined application of the cylinder and the motor, the test machine can realize the efficient and accurate test of the to-be-detected bearing. The air cylinder provides stable thrust, the stability of the bearing in the testing process is guaranteed, and the motor is responsible for driving the bearing to rotate and simulating the fatigue load in the actual working state. The optimal design of the mechanical structure not only improves the testing efficiency and accuracy, but also reduces the dependence on a complex intelligent control system, thereby effectively controlling the cost of the testing machine.

The invention belongs to the technical field of intelligent seismic exploration, and particularly relates to a sparse active source constrained non-ideal illumination passive source seismic wave field intelligent reconstruction method, so as to solve the problems of false events and coherent noise under the condition of non-ideal distribution of underground passive seismic sources. In order to improve the reconstruction effect of a passive source seismic wave field under a non-ideal illumination condition, the method builds an improved U-Net network, so that the U-Net network can intelligently extract data features and derive an attention mechanism along two independent dimensions of a channel and a space in the network, and multiplies the attention mechanism by an input feature map, so that the reconstruction effect of the passive source seismic wave field is improved. Self-adaptive feature refinement is carried out, so that the purpose of carrying out intelligent reconstruction on passive source data is achieved; by learning the trained deep learning network, the sparse active source seismic record constrains the passive source seismic data prediction network, passive source data reconstruction which shares a measuring line with the active source under the sparse active source condition is realized, and the multi-dimensional deconvolution reconstruction effect and the calculation stability are improved.

The utility model discloses a waste photovoltaic panel glass dismantling device which comprises a working table and supporting legs arranged at the four corners of the lower side of the working table, a conveying belt is arranged in the middle of the upper side of the working table, sliding rails are arranged in the two sides of the middle of the working table respectively, and the sliding rails are arranged in the middle of the working table. Connecting blocks are arranged on the inner sides of the sliding rails, a device frame is arranged in the middles of the upper sides of the two connecting blocks, fixing plates are arranged on the outer portions of the left side and the right side of the device frame correspondingly, spring sleeve rods are arranged on the lower sides of the fixing plates, and pressing rods are arranged on the lower sides of the spring sleeve rods. By means of the arrangement of the abutting block and the sliding groove, the photovoltaic panel can move towards the right side more stably after being cut, fragmentation is prevented, smooth proceeding of the disassembling process is guaranteed, the laser heater is used for replacing a traditional heat conduction oil heating plate, the photovoltaic panel can be heated more efficiently, the disassembling efficiency is improved, and time and energy cost are saved.

The invention provides a wrist-worn device identity authentication method based on vibration feedback. A vibration signal is generated through equipment such as a smart watch, and vibration response data of a user is collected in real time by using a built-in accelerometer. The method comprises the steps of signal noise filtering, direction correction and normalization preprocessing, then vibration characteristics are extracted through multi-order difference, and a multi-branch convolutional neural network (MCNN) is used for characteristic extraction and fusion so as to capture vibration characteristics of different time scales. And finally, identity matching is carried out through a Softmax classifier. The method shows good stability and recognition precision in various wearing postures, hand action changes and complex use scenes, and has high anti-interference capability.

The application discloses a SOFC integrated power generation system containing a diesel pretreatment unit, and belongs to the technical field of solid oxide fuel cells. The SOFC integrated power generation system at least comprises a diesel pretreatment unit, a SOFC power generation unit and an intelligent control system. The pretreatment unit converts diesel into high-purity hydrogen-rich gas through desulfurization, denitrification and autothermal reforming processes. The SOFC power generation unit adopts a metal support type stack and realizes efficient power generation in combination with heat management. The intelligent control system can realize real-time monitoring and dynamic adjustment to ensure stable operation of the system. The power generation efficiency of the SOFC integrated power generation system can reach 55% to 58%, the fuel utilization rate reaches more than 90%, and the emission is low. The SOFC integrated power generation system is suitable for distributed power generation, mobile power sources, emergency power sources and automobile fuel cells and the like application scenarios, and has the characteristics of high efficiency, environmental protection and stability.

The invention relates to the technical field of water treatment, in particular to a catholyte-through multi-electrode-group parallel electrochemical reactor which comprises a reaction tank and a plurality of groups of electrode assemblies arranged in the reaction tank, the electrode assembly includes an anode; the cathode is annularly arranged outside the anode; the separation net is arranged between the anode and the cathode and is configured to isolate the catholyte from the anolyte; the base and the cover are provided with grooves for mounting the anode, the separation net and the cathode and are respectively mounted at the bottoms and the tops of the anode, the separation net and the cathode; the positive terminal is inserted into the cover and is connected with the anode; the negative terminal is inserted into the cover and is connected with the cathode; the acid extraction opening is formed in the center of the cover and penetrates through the cover to extend into the anode area of the anode; and the external pump is connected with the acid pumping port through a pipeline. The problem of insufficient utilization of hydroxyl in the existing water softening technology is solved, the number of the electrode groups can be flexibly adjusted according to actual requirements, the industrial-scale water treatment requirements are met, and meanwhile, the operation cost is effectively reduced.

The invention discloses a eutectic of omeprazole and 3, 5-dinitrobenzoic acid, the molar ratio of omeprazole to 3, 5-dinitrobenzoic acid is 1: 1, and compared with omeprazole, the eutectic has higher stability, in-vivo absorption speed and onset speed.

The invention relates to the technical field of mixing equipment, in particular to a mixing device for a fluid generator of a selective catalytic converter, comprising: a mixing cylinder having a mixing cavity, an air outlet channel formed on the right end face of the mixing cylinder, and an air inlet channel formed on the left end face of the mixing cylinder; a scraping plate is fixed on the first material pipe, and a mixing blade is mounted on the second material pipe; the purifying mechanism is used for removing impurities in the fluid, the purifying mechanism is arranged in the air outlet channel, the second material pipe rotates to drive the mixing blades which are spirally arranged to generate a strong stirring effect, the flowing path of the fluid in the mixing barrel is increased through spiral arrangement, exchange and mixing between different fluid layers are promoted, and the mixing effect of the fluid is improved. The L-shaped scraping plate can scrape the inner wall of the mixing barrel, so that the fluid is effectively prevented from depositing or scaling in the mixing process; and through the design of the purification mechanism, impurities in the fluid can be removed, and the cleanliness of the product after the reaction is improved.

The present invention relates to a pharmaceutical preparation, and in particular to a suspension type budesonide inhalation aerosol and a preparation method thereof. The budesonide inhalation aerosol comprises budesonide, phospholipids and calcium chloride; the budesonide micropowder particles are prepared by high pressure homogenization combined with spray drying technology, and perfluorooctane bromide is not used. The budesonide inhalation aerosol has a high fine particle fraction (FPF), and the delivery dose uniformity RSD is less than or equal to 15%. The suspension type budesonide inhalation aerosol prepared by the method of the present invention has a high fine particle dose and good delivery dose uniformity.

The invention discloses a composite adsorbent, an adsorption column, a silane filtration system and a filtration method, and relates to the field of silane purification, the composite adsorbent comprises 50-53 parts of granular active carbon, 28-30 parts of UiO-66, 18-22 parts of cationic exchange resin, 5-15 parts of alumina, 1-10 parts of nano zinc oxide, and 1-10 parts of a silane coupling agent modified molecular sieve. The composite adsorbent provided by the invention realizes efficient purification of silane through the synergistic effect of the components, is suitable for various silane purification systems, can flexibly adjust adsorption parameters according to different working conditions, has wide industrial application value, integrally embodies the remarkable advantages in adsorption performance, stability and applicability, and has wide application prospects. The method provides an efficient and reliable technical solution for the silane purification industry, and has obvious technical progress and practical value.

The utility model belongs to the technical field of bedside tables, and particularly relates to a bedside table with an adjustable table top, which comprises a table body, four brake wheels are mounted at the bottom of the table body, a table top is arranged above the table body, an embedding area is arranged at the top of the table top, an upper drawer and a lower drawer are arranged on the table body, and a storage bin is arranged below the lower drawer. A storage battery is arranged in the partition bin, an electric push rod is arranged on one side of the storage battery, a bearing is arranged above the electric push rod, a connecting column is arranged above the bearing, a table top assembly is arranged above the connecting column, and the table top assembly is equal to the embedded area in length and width. The desktop assembly can be embedded in the embedded area. The electric lifting sickbed has the obvious advantages in the aspects of flexibility, storage space, electric lifting function, stability and comfort, various requirements of patients beside sickbeds can be met, and the quality and functionality of ward equipment are improved.

The invention aims to provide a phase unwrapping method based on extended Kalman filtering. The method comprises the following steps: A, constructing a two-dimensional phase unwrapping program MCC-EKFPU; and B, performing phase unwrapping processing on the interferogram by using a two-dimensional phase unwrapping program MCC-EKFPU to obtain an unwrapped phase of the interferogram. According to the method, the maximum correlation entropy criterion extended Kalman filtering theory is introduced into interferogram wrapping phase unwrapping, and an interferogram phase gradient estimation technology and a robust path tracking strategy are combined, so that the method has higher phase unwrapping precision and better robustness; the method has good application potential in interferogram phase unwrapping application with high accuracy requirements.

The invention discloses a method and device for preparing a carbon nanotube transparent conductive film. The method comprises the following steps: threading a flexible substrate according to a guide roller winding device and a water-cooled coating roller, installing a cathode graphite electrode and an anode graphite catalytic electrode, closing each device door, starting to evacuate, opening a process gas flow pipeline and a deposition gas pipeline, opening the gas in a post-processing chamber, connecting a low-voltage DC power supply, opening a guide roller winding device, controlling the line speed according to requirements, and monitoring the resistance change in real time through an online resistance detector. The surface resistance of the carbon nanotube transparent conductive film prepared by the method is 110-530Ω / sq, the light transmittance is 94.3%-98.1%, and the resistance uniformity is ±10%. The method is different from the floating catalytic method for preparing the carbon nanotube transparent conductive film reported before. The method has obvious advantages in terms of process control, stability, consistency, etc., and a high-quality carbon nanotube transparent conductive film can be obtained by adjusting parameters such as the distance between the anode and the cathode, the anode formula, and the air flow speed.

The utility model discloses a pulp and kernel separator, which relates to the technical field of kernel removal and comprises a support frame, a feeding box mounted at the upper end of the support frame, a cutting mechanism mounted at the upper end of the feeding box, a top frame arranged on one side of the feeding box, a pressing mechanism mounted at the upper end of the top frame and positioned on the upper side of the cutting mechanism. A sliding rail is arranged on one side of the top frame, and a material taking mechanism is installed in the sliding rail in a sliding mode. By arranging the material taking mechanism composed of the sliding rail, the reciprocating lead screw and the moving plate and combining a matching structure of the second air cylinder and the inserting rod, automatic material taking and precise transferring of fruits are achieved, a traditional manual feeding device or a feeding device with a simple structure is replaced, the feeding stability and the positioning precision are remarkably improved, and the production efficiency is improved. The cutting mechanism adopts the combined design of the hollow cylinder and the cutting knife, and is matched with the obliquely arranged kernel tube and the material guide rail, so that the kernels can be smoothly discharged, the blockage problem is avoided, and compared with a single cutting or unsmooth kernel discharging structure in the prior art, the separation efficiency is higher.

This invention proposes a health management method for multi-stack fuel cell power generation systems based on hierarchical collaborative optimization, belonging to the field of fuel cell technology. The method includes the following steps: Based on the operating parameters of the multi-stack fuel cell power generation system, a degradation model for the fuel cell stack and a capacity decay model for the battery energy storage system are established to obtain the lifespan cost of the fuel cell stack and the battery energy storage system; at a first time scale, based on the hydrogen consumption cost, the lifespan cost of the fuel cell stack, and the lifespan cost of the battery energy storage system, a rolling optimization problem is modeled to obtain a power reference trajectory and a state-of-charge reference trajectory for the battery energy storage system; at a second time scale, a Tube-model predictive control is used to construct an invariant tubular set and tighten the constraints, and an actual control law is generated based on the load prediction error for real-time rolling optimization to correct the power reference trajectory and the state-of-charge reference trajectory.

The utility model discloses a ball screw processing gap detection device, including detection platform, the detection platform lower extreme portion is installed with control box, is installed with the two -way clamping subassembly of the ball screw that needs to detect processing gap fixed placement on control box, the detection platform upper end portion is installed with the protection support frame board, is installed with the lift detection subassembly on the protection support frame board, is installed with the push transport subassembly of the classified conveying of the qualified product and unqualified product of detection completion on the detection platform, the detection platform is installed with controller, control box outside one end is installed with servo motor, and the output of servo motor is installed with screw adjusting rod, and the mobile sleeve block is screw -threaded connection outside screw adjusting rod. The utility model has the advantages of quick sorting, and the processing efficiency of detection device has been improved significantly.

This invention belongs to the field of intelligent seismic exploration technology, specifically relating to an intelligent reconstruction method for passive source seismic wavefields under sparse active source constraints and non-ideal illumination, to address the problems of false phase axes and coherent noise under non-ideal distribution of underground passive sources. To improve the reconstruction effect of passive source seismic wavefields under non-ideal illumination conditions, this method constructs an improved U-Net network, enabling it to intelligently extract data features and derive attention mechanisms along two independent dimensions—channel and space—within the network. The attention mechanism is then multiplied by the input feature map for adaptive feature refinement, achieving intelligent reconstruction of passive source data. Furthermore, a deep learning network, trained through learning, constrains the passive source seismic data prediction network with sparse active source seismic records, enabling the reconstruction of passive source data with co-located active source lines under sparse active source conditions, thus improving the multi-dimensional deconvolution reconstruction effect and computational stability.

The invention relates to a 2D / 3D heterojunction layer, a preparation method and a large-area direct perovskite wafer X-ray detector, and belongs to the technical field of perovskite radiation detection. Bismuth iodide (BiI3) and perovskite are combined to construct a 2D / 3D heterojunction, and BiI3 serves as a heterogeneous layer to be located on a perovskite light absorption layer and is further used in a large-area direct type perovskite wafer X-ray detector. After the BiI3 is driven by dynamic pressure, the two-dimensional surface of the BiI3 is gradually perpendicular to the stress direction, so that the orientation of the BiI3 tends to be consistent, namely the orientation of a single crystal, the anisotropy of the layer in the aspect of electricity is caused, and a potential barrier for hindering ion migration is provided. Meanwhile, after the heterostructure meeting energy level matching is formed, separation and collection of charges are facilitated, and therefore the X-ray detection performance is improved.

The utility model discloses a gel profile control agent rapid mixer which comprises a mixer, a supporting platform is arranged in the right side of the mixer, fixing assemblies are arranged in the two sides of the supporting platform, mounting pieces are arranged on the two sides of the top end of the supporting platform, first adjusting pieces are arranged in the top ends of the mounting pieces, and second adjusting pieces are arranged in the top ends of the first adjusting pieces. A first adjusting piece is arranged on the supporting platform, a supporting piece is arranged on the inner side of the first adjusting piece, supporting wheels are arranged in the two sides of the supporting piece, a second adjusting piece is arranged in the first adjusting piece, and a rotating device is arranged in the supporting platform. According to the flexible adjusting function, due to the design of a first adjusting part and a second adjusting part, the position and the fixing state of the mixing barrel can be flexibly adjusted according to needs, better operation convenience is provided, according to the rotating driving device, the rotating device comprises a driver and a disc, the mixing barrel can be driven to rotate, sufficient stirring in the mixing process is ensured, and the mixing efficiency is improved. The mixing effect is improved.

The invention discloses a nitrendipine and polyvinylpyrrolidone co-amorphous substance, the weight ratio of nitrendipine to polyvinylpyrrolidone is 1: 1, and compared with nitrendipine, the nitrendipine and polyvinylpyrrolidone co-amorphous substance has higher solubility, dissolution rate and stability.

The invention relates to a ship block manufacturing time prediction method under small sample data, and aims to solve the problem that the accuracy of ship block manufacturing time prediction under the small sample data is difficult to guarantee, the method takes a block with a large amount of historical data as a source field, and takes a block under a small sample data set as a target field; a prediction model of source domain segment manufacturing time is constructed through a machine learning technology, a network weight and an offset value are extracted and migrated to a prediction model of a target domain segment, similarity and difference characteristics of a source domain and the target domain segment are analyzed, and according to an analysis result, a prediction model of source domain segment manufacturing time is established. And freezing the model parameters of the similarity features and finely adjusting the model parameters of the difference features to complete the construction of the target domain segmented manufacturing time prediction model. The time prediction method provided by the invention not only effectively solves the problem of ship block manufacturing time prediction under small sample data, but also shows remarkable advantages in the aspects of precision and stability. The invention belongs to the technical field of time prediction.

The utility model discloses a kind of bottled cleaning agent automatic packing device, it includes conveying platform, positioning mechanism, encapsulation subassembly and adjusting mechanism.Conveying platform is equipped with slide rail and sliding block, and sliding block connects bearing plate;Positioning mechanism is connected first clamping arm and second clamping arm by elastic connecting rod, and inside is equipped with flexible gasket;Encapsulation subassembly includes lifting platform and encapsulation head, and encapsulation head bottom is equipped with heat sealing module and compression claw;Adjusting mechanism moves sliding block by screw rod drive.This device can accurately adjust bearing plate position, automatically adapt bottle size, ensure encapsulation sealing property and firmness, simultaneously reduce heat residue by cooling air flue, improve efficiency.Auxiliary support mechanism enhances stability, and is suitable for the automation packaging demand of multiple specifications bottle body.

The application provides a key fixing structure, which comprises a shell, a key frame fixedly arranged on the inner side of one side surface of the shell, a key hole arranged on the shell, a key arranged on the key frame and protruding from the key hole, a soft single-sided adhesive tape arranged on the key frame, and a key plate arranged on the soft single-sided adhesive tape and provided with a micro switch corresponding to the key. Through the cooperation of the shell, the key frame, the soft single-sided adhesive tape and the key, the key does not need to be provided with a force arm and a hot melting and dispensing process, the stable installation and accurate operation of the key are realized, and the process and cost are saved.

A novel tapless resonant push-pull photovoltaic energy storage inverter topology is disclosed, relating to the field of energy storage system topology control technology, specifically a novel tapless resonant push-pull photovoltaic energy storage inverter topology. It includes a photovoltaic boost MPPT circuit, a DC-AC bidirectional inverter circuit, and a battery-side DC-DC tapless resonant push-pull bidirectional isolated charging circuit. The photovoltaic boost MPPT circuit is used to increase the DC voltage of the photovoltaic panels and perform maximum power point tracking control. The DC-AC bidirectional inverter circuit performs bidirectional DC-to-AC conversion through three independent T-type three-level circuits, each independently controlled, with low harmonic output current. The battery-side DC-DC tapless resonant push-pull bidirectional isolated charging circuit includes a tapless transformer and a push-pull circuit. Through innovative tapless resonant push-pull circuit, dual-transformer interleaved control technology, and three-level inverter circuit design, it achieves efficient power conversion, optimized battery charge and discharge management, and reduced high-frequency ripple and electromagnetic interference, thereby improving the overall efficiency, stability, and reliability of the photovoltaic energy storage system.

The invention relates to a dipyrrolothiophene compound, a photoelectric device and photoelectric equipment. The structural formula of the dipyrrolothiophene compound is shown in the specification, in the formula, R1, R2, R3, R4, R5 and R6 are respectively and independently selected from one or a combination of more of hydrogen, an energy level regulating group, a conjugate group, a solubility regulating group, an anchoring group and a polar group, the molecule takes a dipyrrolothiophene ring as a core to form a symmetrical planar tricyclic system, and a rigid planar structure without obvious distortion is formed. The rigidity derives from condensed ring conjugated strong bond energy, thermal vibration distortion of molecular configuration is effectively avoided, and a stable conjugate channel is provided for charge transfer. And the prepared photoelectric device and photoelectric equipment are high in photoelectric conversion efficiency.

This utility model relates to a grinding head base, comprising: a bracket, a drive component fixedly connected to the bracket, and a transmission assembly connected to the drive component; the transmission assembly includes a transmission rod and a fixed cylinder sleeved on the transmission rod, the fixed cylinder and the transmission rod being provided with a first bearing and a second bearing, the inner ring of the first bearing being fixedly sleeved on the transmission rod, and the outer ring abutting against the inner surface of the fixed cylinder, the inner ring of the second bearing being fixedly sleeved on the transmission rod, and the outer ring being fixedly connected to the inner surface of the fixed cylinder; a grinding wheel, sleeved on one end of the transmission rod; an X-axis adjustment assembly and a Y-axis adjustment assembly, respectively driving the grinding wheel to move in the X and Y directions; through the cooperation of double bearings and a labyrinth seal design, combined with an oil injection hole, the transmission stability is improved; the X and Y-axis adjustment assemblies can finely adjust the position of the grinding wheel to adapt to more scenarios, and the fixed cylinder provides more comprehensive protection for the transmission components, reducing failures, making it suitable for high-precision, long-term operation, and having greater advantages in stability and reliability.

This invention provides a novel crystalline form of valbenazine di-p-toluenesulfonate and its preparation method, as well as its use in the preparation of drugs for treating tardive dyskinesia. The novel crystalline form of valbenazine di-p-toluenesulfonate provided by this invention has significant advantages in terms of stability, hygroscopicity, flowability, raw material purification effect, and dissolution rate. The preparation method of the novel crystalline form has a high product yield, is simple to operate, requires less time, and has low energy consumption, making it more suitable for industrial applications.

The utility model relates to the technical field of flood control, in particular to a flood control plate and a temporary flood control device. And the water retaining assembly comprises waterproof shrinkage cloth and a traction rope. According to the flood prevention plate, through the design of the movable storage box, the rhombic telescopic hinge and the waterproof telescopic cloth, the problems of a traditional flood prevention plate in the aspects of storage, carrying and waterproof sealing are effectively solved. The design of the telescopic traction rope and the hook ensures that the flood prevention plate can be stably fixed at a required position in the using process, and displacement caused by water flow impact is avoided; the waterproof shrinkage cloth ensures that gaps between the plates are effectively sealed, the water seepage phenomenon is prevented, and therefore the flood prevention effect is improved. Meanwhile, the length of the flood control plate can be adjusted according to actual requirements through the rhombic telescopic hinges, the adaptability and flexibility of the flood control plate are enhanced, the overall structure is more stable, and the flood control plate has higher pressure resistance and stability when facing rainstorm or flood.

The invention relates to the technical field of environment control, in particular to a lithium chloride solution dehumidification system based on intelligent feedback control and self-adaptive fuzzy control and a control method thereof, which realize high-precision, high-response-speed and low-energy-consumption environment temperature and humidity control by optimizing a dehumidification process, an intelligent control algorithm and a dynamic parameter adjusting mechanism. The dehumidification efficiency, the response speed and the control precision of the system are remarkably improved, and the system has remarkable advantages in the aspects of energy conservation, consumption reduction and system stability.

The utility model discloses a flexibly-assembled buckle type lamp holder which comprises a lamp holder body, a rear cover and a mica sheet. Elastic buckles are arranged on the two sides of the rear cover respectively. The lamp holder body is provided with clamping buckle positions corresponding to the elastic buckles in a matched mode. The elastic buckle is clamped and limited on the clamping buckle position; a guide limiting column is arranged in an inner cavity of the rear cover and inserted into an inner hole of the hollow rivet. According to the utility model, the elastic buckle is arranged on the rear cover and is reversely buckled and connected with the limiting clamping hook of the clamping buckle position on the lamp holder body, so that the lamp holder can be quickly assembled, and the design has the advantages that the shipment mode of the lamp holder can be flexibly selected, and the power line and the lamp holder body can be firstly assembled; other accessories such as the rear cover and the lamp cup are assembled before use; or the assembled combination of the power line and the lamp holder body can be selected to be assembled with the rear cover; and more convenience is provided for different packaging and shipment requirements, more choices are provided, the limitation of the assembly mode is greatly reduced, and the production efficiency is improved.