512results about How to "Meet needs" patented technology

The utility model relates to the field of stabilizer bar, especially transverse stabilizer bar's adjustable connecting structure of four -wheel electric vehicle. The utility model discloses stabilizer bar, axle bush and pull rod, stabilizer bar is trapezoidal, and the both ends are punched into the ear piece, axle bush is covered in the middle part of stabilizer bar, and pull rod is provided with two, and is hinged in the both ends of stabilizer bar respectively, and pull rod is installed on the frame, and axle bush is connected with hydraulic device still, and the top of hydraulic device is fixed with bolt and set up on the frame. Axle bush connects hydraulic device, and is electrically connected with automobile ECU and is equipped with electric control proportional valve, can automatically or manually adjust the lateral stabilizer bar roll stiffness according to the intention of driver or road condition. When driving fiercely or high -speed driving, ECU controls electric control proportional valve to adjust hydraulic device output pressure according to sensor group feedback, and the roll stiffness is increased, and the control stability and high -speed driving safety are enhanced.

The application provides a kind of operation and maintenance scene visualization report generation method and system based on natural language question and answer, belongs to intelligent operation and maintenance technical field, method includes: receiving the natural language query input by user;Through the pre-training of large language model and the preset operation and maintenance terminology dictionary, the natural language query is parsed and entity is extracted, and the entity-field association table containing demand type is generated;According to demand type and semantic feature, the query type is judged to be data query or visual query;Based on the judgment result, generate structured query language sentence or visual instruction;Query is executed to the interface business database to obtain raw data;Raw data is processed and analyzed to obtain analysis result data;Call data feature adaptation algorithm to match chart type, generate and output visual report.The application realizes the full-link automation from natural language input to visual report output, reduces the operation and maintenance data interaction threshold, improves the operation and maintenance data processing efficiency and accuracy.

The application belongs to the field of new materials, and discloses a lead-free perovskite X-ray shielding composite material and a preparation method and application thereof, and comprises the following steps: mixing ANF / DMSO dispersion liquid with ethanol to obtain re-protonated ANF dispersion liquid; mixing the re-protonated ANF dispersion liquid, CsI powder and ethanol, and stirring to obtain two portions of the same CsI / ANF dispersion liquid; mixing re-protonated ANF, Cs3Bi2I9 powder and ethanol, and stirring to obtain Cs3Bi2I9 / ANF dispersion liquid; sequentially filtering the first portion of CsI / ANF dispersion liquid, the Cs3Bi2I9 / ANF dispersion liquid and the second portion of CsI / ANF dispersion liquid by using a gel-gel method, and vacuum hot-pressing to obtain a composite gradient film with a biomimetic symmetrical structure, which is used as a lead-free perovskite X-ray shielding composite material; and the application realizes continuous and efficient X-ray shielding effect, and can improve the mechanical flexibility and thermal stability of the material.

This invention relates to the field of vehicle intelligent control technology, and discloses a windshield wiper intelligent control method, system, and vehicle. The windshield wiper intelligent control method includes: acquiring the windshield wiper operating state; acquiring the environmental occlusion state of the area above the vehicle; and controlling the windshield wiper operating state based on the windshield wiper operating state and the environmental occlusion state. Applying the technical solution of this invention can accurately control the timing of windshield wiper opening and closing, reduce the complexity of driving operations, and improve driving safety.

The utility model relates to portable crop pest killer technical field especially portable crop pest killer, including pest killer shell, the pest killer shell is provided with connecting mechanism, the connecting mechanism contains the first assembly of setting in the pest killer shell upper section, the second assembly is provided with in the pest killer shell middle section, the third assembly is provided with in the pest killer shell lower section. Portable crop pest killer adopts the physical pest killing mode of double pest killing lamp first pest killing lamp and second pest killing lamp combination airflow suction, avoids the use of chemical pesticide, effectively reduces the pollution to the ecological environment such as soil, water source, the top drive motor drives the fan blade to produce downward airflow, the bottom exhaust fan provides strong suction, both cooperate with each other, accelerate the pest to move to the pest killer inside and transport to the collecting cylinder, again cooperate with the control of the falling rhythm of the pest of rotary plate and fixed baffle, significantly improve the pest trapping and collection efficiency, and the pest killing effect is greatly promoted.

The utility model discloses a kind of tablet number grain filling devices, belong to pharmaceutical equipment technical field, driving mechanism is installed on tray, the output end of driving mechanism is connected with measuring disc through tray axis, tray is obliquely set on base by supporting mechanism, a plurality of tablet discharge ports are provided on measuring disc, a plurality of circumferential array arranged medicine containing area are provided on measuring disc, the position of medicine containing area corresponds with tablet discharge port position, scraper is connected with tray by bunker fixing block, scraper is attached to measuring disc, barrel-shaped bunker is provided on tray. The present application adopts obliquely set tray and matched measuring disc, scraper, can accurately control tablet quantity, improve production accuracy. Dust suction port and broken tablet discharge port can clean impurities and broken tablets in time, ensure medicine quality. Driving mechanism stably provides power, ensure that device continues to operate.

The utility model discloses a high-voltage grounding switch for electric locomotive teaching simulation, which comprises a connecting seat, the top of the connecting seat is rotatably connected with a shaft body, two sides of the shaft body are fixedly connected with a left support and a right support respectively, one end of the left support and one end of the right support are fixedly connected with knife switches, and two sides of the shaft body are connected with knife switches. One end of the connecting seat is fixedly connected with a contact spring piece, the contact spring piece corresponds to the position of the knife switch, a lower cover is arranged at the bottom of the connecting seat, one end of the lower cover is rotatably connected with an operating rod assembly, an interlocking mechanism, a turntable assembly and a connecting rod assembly are arranged in the lower cover, one side of the interlocking mechanism is connected with a lock assembly, and the lower end of the shaft body is connected with the connecting rod assembly. One end of the connecting rod assembly is connected with the turntable assembly, and one end of the turntable assembly is fixedly connected with the operating rod assembly. The appearance size, each part and action interlocking control performance of the device are consistent with those of a real piece, the teaching practical training requirement and the safety requirement are completely met, and meanwhile the cost is greatly reduced.

Embodiments of the present application provide a prompt word generation method and device, equipment, storage medium and program product, relating to the technical field of financial technology and artificial intelligence. The method comprises: collecting first interaction behavior data between a user and a large language model and generating a first interaction feature vector based on the first interaction behavior data; inputting the first interaction feature vector into a first model to obtain a quality score of a first prompt word of the large language model; in the case that the quality score of the first prompt word is lower than a first threshold, generating a rewrite trigger signal and generating a new version of the first prompt word based on the rewrite trigger signal. The method of the present application can improve the efficiency of prompt word generation and the performance of the large language model.

The invention discloses a high-dielectric low-loss dielectric material for a high-voltage ceramic capacitor, and relates to the technical field of dielectric materials, which comprises the following steps: S1, preparing bismuth stannate; step S2, preparation of bismuth titanate; step S3, preparation of barium zirconate; step S4, compression molding and sintering; and S5, printing an electrode. The high-dielectric low-loss dielectric material for the high-voltage ceramic capacitor is high in dielectric constant and low in dielectric loss, and meets N4700 temperature characteristics and environmental protection requirements.

The application discloses a high-rate valve-regulated lead-acid battery and a preparation method thereof. The battery comprises a battery shell, a positive plate, a negative plate and an electrolyte arranged in the battery shell. The positive plate and the negative plate are both honeycomb lattice structure plates, and the positive plate is coated with a positive active material, and the negative plate is coated with a negative active material. The components of the positive active material include lead powder, graphite, sulfuric acid, nano lead dioxide and pure water. The components of the negative active material include lead powder, barium sulfate, sodium lignosulfonate, graphene composite additive and carbon black. The discharge rate of the high-rate valve-regulated lead-acid battery can reach 3-5C, and the discharge capacity retention rate is above 95% under the 1C discharge rate, which can meet the demand of 5G base stations, data centers and other fields for instantaneous large current and high power output.

The utility model provides a kind of rolling mechanism for flexible circuit board processing equipment, it belongs to flexible circuit board processing field, it includes: support platform, the upper end of mounting block is equipped with pressure sensor and guide rod, the moving rod of sliding arrangement and can be used is equipped on the guide rod, the lower end of spring and moving rod is resisted;The compression roller is moved to the above of two groups of vacuum air holes respectively, and the softness circuit board being vacuumed and adsorbed by vacuum air hole is rolled and pressed one by one, two groups of the vacuum air hole alternate use.The utility model pressure sensor real-time detection compression roller to the rolling pressure degree of flexible circuit board, ensure that rolling pressure degree meets the demand of this model circuit board two groups of vacuum air hole alternate use, realize continuous operation, greatly improve the rolling efficiency, in rolling process, always keep accurate control to rolling pressure degree, ensure that every piece of flexible circuit board can obtain high quality rolling treatment.

The application relates to the technical field of blood drug concentration detection, and discloses a blood drug concentration analysis method based on mass spectrometric detection, which comprises the following steps: adopting microfluidic technology in combination with solid-phase extraction to pretreat a blood sample to obtain a concentrated solution, so as to remove interfering components and concentrate target drug molecules; according to the physicochemical properties of the target drug molecules, the concentrated solution is selected to flow through a biosensor or is directly introduced into a chromatographic unit, and the target drug molecules in the liquid phase are converted into gas-phase ions when flowing through the biosensor; chromatography-mass spectrometry is adopted to detect the gas-phase ions or the concentrated solution, so as to obtain mass spectrum data; a machine learning model is used to analyze the spectrum data, to identify the drug types and calculate the concentration of the target drug molecules, and to generate an analysis report. The method is suitable for target drugs with different physicochemical properties, simplifies the detection process, and improves the applicability and accuracy of detection.

The application discloses a trimming device for underwater glider and a use method thereof, and belongs to the technical field of ocean exploration. The trimming device comprises a base, a support shaft, a weighing sensor, a torque sensor and a supporting component. The two end portions of the support shaft with the horizontal axis are installed on the base through the shaft seat. The weighing sensor is installed on the two end portions of the support shaft and is used for detecting the downward pressure of the end portions of the support shaft. The torque sensor is installed on the end portion of the support shaft and is used for detecting the torque of the support shaft. The supporting component is fixedly installed on the support shaft and is provided with a supporting portion which is used for supporting the underwater glider with the axis parallel to the axis of the support shaft. The trimming device realizes high accuracy, high efficiency and multi-dimensional adjustment capacity by means of the introduction of the sensor technology. The trimming device has the characteristics of simple structure, high flexibility and easy maintenance, and thus becomes a practical solution scheme meeting the trimming requirements of the underwater glider.

This paper discloses a composite floor slab for prefabricated buildings, comprising several precast slabs, each with a lower protrusion at the left end and an upper protrusion at the right end, and waist-shaped recesses at the front and rear ends for engaging with fixing clips. The upper protrusion has an upper recessed hole and a right limiting hole, while the lower protrusion has a left limiting hole. When adjacent precast slabs are stacked, limiting posts pass through these holes sequentially for lateral fixation, and are connected longitudinally by fixing clips. The limiting posts have round heads and hexagonal bodies, adapted to the corresponding holes to prevent rotation. The surface of the precast slabs has fixing nail through-holes and fixing clips, filled with a grid-like steel reinforcement. The limiting posts and fixing clips are made of metal, and the contact surfaces of the upper and lower protrusions have anti-slip textures. This structure improves installation efficiency and connection strength, and is suitable for prefabricated buildings.

The utility model discloses a kind of lithium battery pole piece size measuring devices, it relates to lithium battery pole piece online measurement technical field, the lithium battery pole piece size measuring device, including table top and display, the table top is fixedly provided with support, the upper end of support is equipped with the measuring mechanism for carrying out size measurement to lithium battery pole piece, the lower end of support is provided with fixed base, fixed base inside is equipped with the object table for carrying the lithium battery pole piece to be measured, the upper end of fixed base is also provided with adjustable light source mechanism, adjustable light source mechanism adjusts illumination position according to different measurement needs.The utility model constructs multi-mode lighting system by integrating liftable rotating annular light source, adjustable arc-shaped light supplement unit and reversible locking side light source, realize all-around, self-adapting illumination adjustment to lithium battery pole piece, effectively eliminate reflection and shadow, significantly improve the accuracy and adaptability of size measurement.

The application provides a magnetic resistance type dynamic voltage recovery device and method based on particle swarm optimization, relates to the technical field of dynamic voltage recovery devices, and through deep time sequence analysis on historical voltage drop, the amplitude and duration of voltage drop are dynamically predicted, so that the amplitude interval and duration of injected voltage are adaptively determined; a particle swarm algorithm is combined to perform multi-objective optimization on a control scheme, and the performance of an evaluation scheme is fed back, so that precise design and real-time adjustment of the injected voltage waveform are realized; a multi-scheme screening and switching mechanism effectively guarantees stable operation and safety of the system under abnormal working conditions, improves the intelligent level and compensation quality of the dynamic voltage recovery device as a whole, meets the requirements of rapid response and efficient compensation under a complex power grid environment, and enhances the stability and reliability of the system as a whole.

The utility model relates to body -building equipment technical field discloses hanging piece type scissors pull back training ware, including gantry assembly, the top left side fixed connection of gantry assembly has the stand upper connecting pipe weld, the right side fixed connection of stand upper connecting pipe weld has pull arm support vertical pipe subassembly, the top front side rotationally connected with right pull arm subassembly of pull arm support vertical pipe subassembly, the top rear side rotationally connected with left pull arm subassembly of pull arm support vertical pipe subassembly. In the utility model, by placing gantry assembly on the suitable flat floor with M10 cylinder head screw connection on gantry assembly, flat washer is installed on left and right resistance arm respectively, and all screws are tightened, so that the machine design is realized unique, the modelling elegant, the training is in place, accords with the human engineering principle, and the stability is good, and three different shapes, different angle handles are welded on the pull arm respectively, greatly satisfy the demand of professional personnel.

The utility model provides a kind of multi-station CD thread lathe machine, belong to machining technical field, this multi-station CD thread lathe machine includes rack, workstation and tool moving module, the workstation is set on the rack, the tool moving module is set on the workstation, tool moving module is installed with lathe tool assembly on;At least two groups of rotating module for fixing workpiece jig are provided on the workstation, all the rotating module is synchronously rotated by transmission mechanism simultaneously.The utility model is driven by all rotating module synchronous rotation by setting at least two groups of rotating module, and using same driving element, the same speed synchronous rotation of multi-station workpiece is realized, effectively solve the same batch workpiece processing difference problem caused by station independent operation of existing double-station equipment, improve the consistency and stability of product in batch production, and then improve product yield.

This invention belongs to the field of card production technology, and particularly relates to a precision screen-printed card and its manufacturing process. A precision screen-printed card includes: a card substrate, the surface of which is provided with a precision screen-printed graphic layer. The precision screen-printed graphic layer is formed by screen printing with high-viscosity raised-letter ink through a high-mesh precision screen. The line width of the precision screen-printed graphic layer is 0.05mm-0.08mm, and the precision screen-printed graphic layer has a perceptible three-dimensional raised structure. This achieves stable reproduction of fine lines, is suitable for various card substrates and other processes, making the cards more exquisite and reducing production costs.

The application discloses an LED display control card and a display device, the display control card comprising: a data processing module having a video and image processing unit and an audio processing unit; a video input interface for receiving an external video signal, the video input interface being connected with the video and image processing unit; a first output interface for connecting an LED display screen; a timing control module connected between the data processing module and the first output interface, the timing control module being used for providing a driving signal to the LED display screen; a microprocessor connected with the data processing module and the timing control module; wherein, the microprocessor pre-stores parameter configuration information of the LED display screen corresponding to the LED display control card, and the data processing module and the timing control module process the video signal according to the parameter configuration information to form a required driving signal to drive the LED display screen. The display control card and the display device of the application are not only low in cost, but also compatible with various third-party devices, meeting the requirements of various scenes.

The application relates to an intelligent fine pressure control device and method, and relates to the technical field of petroleum chemical industry, and is used for solving the problem of low pressure control precision in the mode of manually adjusting the valve. The intelligent fine pressure control device comprises a pressure control valve with an inlet and an outlet, a servo actuator connected with the pressure control valve, and a control module electrically connected with the servo actuator; wherein the control module can send a pressure control instruction to the servo actuator, and the servo actuator can drive the pressure control valve to act according to the pressure control instruction, so that the pressure at the outlet is equal to a preset pressure value. In the application, the control module is arranged, and the control module is used for sending the pressure control instruction to the servo actuator, so that the servo actuator can accurately drive the pressure control valve to act according to the pressure control instruction, so as to accurately adjust the pressure value at the outlet. Therefore, the adjusting precision of the intelligent fine pressure control device is improved. Furthermore, the precision control demand of automation and intelligentization of modern industry is met.

This invention belongs to the field of rail vehicle technology. It proposes a method and system for adjusting the alignment of workpieces during the intermediate stage of bogie welding. Based on the design 3D model of the bogie workpiece and the process scaling requirements, key dimensions are selected and adjusted to construct a virtual intermediate model. Feature points are collected from the key feature surfaces of the virtual intermediate model to obtain reference values ​​for each feature point. A 3D scan of the actual bogie workpiece during the intermediate welding stage is performed to acquire point cloud data. Feature points are collected and processed from the corresponding key feature surfaces of the point cloud data to obtain the actual values ​​of each feature point. By comparing the reference values ​​and actual values ​​of each feature point, the deviation of each feature point is obtained. For the key dimensions of the bogie workpiece, a scribing weight mechanism is introduced to assign weight priorities to each key dimension. Based on the deviation of each feature point and the weight priorities, the position of the baseline of the key feature surface is adjusted. This invention achieves a closed-loop process from model adaptation and data comparison to baseline adjustment.

The present application relates to the technical field of polyester material modification, and particularly relates to a high-transparency polyethylene naphthalate material, a preparation method and application, aiming at the problems of fast crystallization rate of the PEN material in the process of processing and molding, easy crystallization of thick products, light transmittance reduction caused by the crystallization, and insufficient material toughness, the present application introduces a diol monomer containing a side group and a flexible chain segment diol monomer into the PEN melt polycondensation process for copolymerization, wherein the diol containing a side group introduces a steric hindrance structure in the molecular chain to destroy the regular packing of the PEN molecular chain, thereby inhibiting the material crystallization behavior and improving the light transmittance of the thick product; the flexible diol introduces a flexible chain segment in the molecular chain to increase the free volume of the molecular chain and improve the molecular chain movement ability, thereby improving the material toughness. Through the above-mentioned synergistic copolymerization modification method, the crystallization tendency of the PEN material can be effectively reduced, the obtained PEN thick product has excellent light transmittance and toughness at the same time, and is suitable for the preparation of high-performance transparent polyester products.

This application discloses an elevator scheduling method, elevator scheduling device, and electronic device, belonging to the field of Internet of Things (IoT) technology. The method includes: receiving a scheduling request sent by the elevator terminal, the scheduling request including historical elevator weights and elevator terminal operating status information, the operating status information including user waiting information for each floor corresponding to the elevator terminal, and the historical elevator weights indicating the priority of each floor's stopping order during the last elevator scheduling; determining a target elevator weight for each floor based on the operating status information and historical elevator weights, the target elevator weight indicating the priority of the elevator terminal's stopping order on each floor; and generating scheduling information corresponding to the scheduling request based on the target elevator weights. By comprehensively processing the current operating status of the elevator terminal and the priority of each floor during the last elevator scheduling, the final scheduling information is obtained, realizing dynamic adjustment of the scheduling information.

The application discloses a modular servo driver power unit module, which comprises a power board (20), a plurality of IPM modules (204) are integrated in the middle area of the power board (20), and a power input port (203), a control input port (202) and a control output port (201) are integrated in the edge area of the power board (20); the power input port (203) is used for receiving external power; the control input port (202) is used for acquiring a control signal sent by an external device; and the control output port (201) is used for sending a driving signal to an external motor. The power board (20) is fixedly arranged on a mounting bracket (10), and a radiator (30) is connected with the middle area of the power board (20) so as to be in close contact with the plurality of IPM modules (204). The modules in the power unit module of the application are separately packaged and installed, so that the modules can be individually repaired and customized, the reusability is high, and the design and maintenance costs are reduced.

This invention discloses a skin marking system for ultrasound imaging, a dedicated coupling agent, and its application method, relating to the field of medical ultrasound imaging auxiliary equipment and medical coupling agents. It includes a dedicated photocurable coupling agent and a specially designed ultrasound probe. The dedicated photocurable coupling agent comprises a water-soluble medical ultrasound coupling agent matrix, a photocurable hydrogel precursor, a photoinitiator, and a color developer. The specially designed ultrasound probe includes a probe housing with a built-in ultrasound transducer and a probe end face for contacting the skin. At least one ultraviolet light source is integrated in the central region of the probe end face. The relative position of the ultraviolet light source and the ultrasound transducer is spatially calibrated to establish a preset coordinate mapping relationship between the irradiation area of ​​the ultraviolet light source and the ultrasound scanning area of ​​the ultrasound transducer. This invention achieves simultaneous and precise skin marking and diagnostic guidance for ultrasound imaging through an ultrasound probe integrating an ultraviolet light source and a photocurable dedicated coupling agent.

The utility model relates to PE film processing technical field, concretely is a kind of PE winding film cutting device, including machine plate, the side surface fixed mounting of machine plate has roll stock frame, feeding frame and shearing bin, by setting control distance screw rod, control distance plate, spring, shearing frame, cutting knife, utilize the synergies of these structures, control distance screw rod cooperation control distance slide bar, make control distance plate can accurate lift, to control the cutting depth of cutting knife, satisfy half cut or complete cut two kinds of needs, pressing plate provides pressure by spring, ensure the flatness of cutting edge, by the sliding connection of pressing plate side surface and shearing frame inner side, the movement trajectory of cutting knife is restricted, guarantee the perpendicularity of cutting process, when cutting knife cuts into film, the fitting structure of control distance plate and cutting knife seat provides additional rigid support, reduce the deformation risk of cutting knife, prolong tool life, realize the control of PE winding film cutting depth, stability and precision, improve the efficiency and quality of packaging operation.

The application relates to an agate color coated workpiece and a preparation method thereof. The preparation method comprises the following steps: S1, depositing a transition layer on a base material by adopting a magnetron sputtering mode; S2, depositing a TiAlN intermediate layer on the transition layer in S1 by adopting the magnetron sputtering mode; and S3, depositing a TiAlSiN agate color coating layer on the TiAlN intermediate layer in S2 by adopting the magnetron sputtering mode. In step S3, the sputtering power of the Si target is controlled, so that the percentage of Si elements in the deposited TiAlSiN layer is 7%-8%. The application obtains a special agate color coated workpiece, and the workpiece has high hardness and wear resistance, and has a wider application prospect.