13results about How to "Improve working precision" patented technology

This utility model relates to the field of photovoltaic module technology, specifically providing a correction device for photovoltaic modules, aiming to solve the problem of how to avoid deviations in correction caused by incoming material errors. To this end, the correction device for photovoltaic modules of this utility model includes a correction wheel, a first transfer mechanism, an elastic structure, and a position detection component. The first transfer mechanism includes a moving part; the moving part is connected to the correction wheel through the elastic structure. The first transfer mechanism is configured to drive the correction wheel to move and abut against the side of the photovoltaic module, thereby forcing the elastic structure to deform. The position detection component is configured to detect the actual position of the correction wheel, so as to determine the deviation size of the photovoltaic module based on the actual position and the preset position of the correction wheel. The correction device of this utility model can determine the deviation size of the photovoltaic module and adjust the correction size according to the deviation size to improve the correction accuracy, and also improve the working accuracy of subsequent processes.

This utility model relates to the technical field of CNC grinding equipment, specifically a CNC grinding equipment with a cooling function. It includes a machine body and a cooling device. A grinding roller is mounted on the surface of the machine body, and a protective enclosure is installed on the side of the machine body near the grinding roller. The cooling device is located on the surface of the enclosure and includes a top plate fixedly connected to the enclosure. A water tank is fixedly connected to the surface of the top plate, and a round cover is inserted into the surface of the water tank. A water pipe is installed on one side of the water tank, and a nozzle is installed on the side of the water pipe away from the water tank. A water outlet is opened on the side of the top plate near the nozzle, and the nozzle is connected to the water outlet. This utility model facilitates cooling of the grinding roller, increases the ease of use of the equipment, and effectively extends the service life of the grinding roller. High temperatures accelerate the wear and aging of the grinding roller; good cooling can reduce the temperature and mitigate these adverse effects, allowing the grinding roller to maintain good working condition and precision for a longer period.

The utility model discloses a pneumatic feed output device which solves the technical problem that the consistency of the feed quantity output by two paths of a pneumatic feed supply device is poor. The mixing connector is used for mixing feed and carrier airflow to form mixed fluid and outputting the mixed fluid, and a feed supply port, a carrier airflow supply port and a mixed fluid output port are formed in the mixing connector. The feed supply port and the carrier airflow supply port are respectively communicated with the mixed fluid output port to form a mixed feed output channel, the feed supply port is used for being connected with a feed supply source, and the carrier airflow supply port is used for being connected with a carrier airflow supply source; the material mixing joint is provided with two material mixing output channels which are symmetrically arranged left and right, and the two material mixing output channels are in one-to-one correspondence with the independent mixed fluid output ports. Mixed fluid output through the two mixed material output channels which are symmetrical left and right has high consistency in quantity, pressure and composition proportion.

This application provides a method and system for controlling the accuracy of photoelectric sensors in an industrial internet, as well as a computer-readable medium and electronic device. The method includes: deploying photoelectric sensors in an industrial production environment and constructing an industrial internet based on the photoelectric sensors, gateway devices, and a processor; acquiring measurement data collected by the photoelectric sensors based on a preset data acquisition cycle; fitting the measurement data to a preset data model to obtain a fitting curve corresponding to the measurement data; comparing the fitting curve with a preset calibration curve to determine the degree of difference between the two curves; and calibrating the accuracy of the photoelectric sensor based on the degree of difference. The technical solution of this application improves the working accuracy and efficiency of photoelectric sensors by calibrating them based on their working data.

This invention provides a tooling fixture for machining the inner hole of a bushing used in experiments. It includes a clamping handle with a clamping unit fixed at one end. The clamping unit includes a fixed clamping part and a movable clamping part. The inner walls of the fixed and movable clamping parts are respectively arc-shaped, and the movable clamping part can move closer to or further away from the fixed clamping part. When the movable clamping part approaches the fixed clamping part to its limit position, the inner walls of the two parts can form a circle. The center of the arc of the fixed clamping part coincides with the axis of the clamping handle. This invention uses a fixed clamping part to ensure that the positioning center of the workpiece coincides with the center of the clamping handle. The movable clamping part provides a large range of motion when disassembling the workpiece, facilitating workpiece disassembly and installation. While ensuring workpiece positioning accuracy, it completes workpiece clamping and disassembly, avoiding damage to the workpiece during disassembly.

This invention discloses a method and system for precise pesticide application in litchi orchards based on the combined use of agricultural drones and adjuvants, belonging to the field of agricultural plant protection technology. The method includes: constructing a dynamic topological deformation model characterizing the spatial heterogeneity index of the canopy; dividing the leaf canopy into virtual pesticide-receiving interfaces according to the pesticide response potential and generating a pulsed hovering phase sequence based on the model; calculating the droplet-wind interface interaction potential energy based on this sequence, and using this to introduce an asymmetric disturbance operator to reconstruct a spatially discrete droplet group adapted to the curvature of the virtual pesticide-receiving interface; using the spatial distribution parameters of the spatially discrete droplet group to modulate the charge state of the charged adjuvant in the pesticide solution, forming a targeted deposition field matching the curvature characteristics of the concealed leaf canopy unit; and using a hidden Markov chain to invert the deviation into boundary constraints for correcting the dynamic topological deformation model. This invention achieves deep synergy between agricultural drones and adjuvants in the spatiotemporal dimensions, improving the accuracy of pesticide application under complex canopy conditions in litchi orchards.

This invention discloses a vibration suppression method, control board, device, and storage medium. The invention relates to the field of vibration reduction technology for motion tables. The method includes: a first processor acquiring motion data of a support platform, preprocessing the motion data, and sending the preprocessed motion data to shared memory; a second processor acquiring motion data of the motion table and obtaining the preprocessed motion data from the shared memory; the second processor performing a Fourier transform on the motion data of the motion table and the preprocessed motion data of the support platform to obtain transformed data, and determining the resonance point of the motion table and the support platform based on the transformed data; the second processor determining the damping force of the motion table based on the resonance point of the motion table and the support platform, and using the damping force to counteract the force on the motion table to suppress the vibration generated by the motion table.

This application discloses a laser cleaning device for pole cleaning, belonging to the technical field of pole cleaning equipment. It mainly includes: a cleaning frame, a horizontal adjustment component installed on the upper end of the cleaning frame, the horizontal adjustment component including a horizontal box installed on the cleaning frame, a horizontal lead screw driven and rotated by a power source installed inside the horizontal box, a first slider sleeved on the body of the horizontal lead screw, an intermediate plate installed on the first slider, and a vertical adjustment component. This pole laser cleaning device, by setting the horizontal and vertical adjustment components, enables adjustment of the laser cleaning gun in both horizontal and vertical directions, eliminating the need for manual operation, reducing the labor intensity of workers, and improving work efficiency and cleaning accuracy. The dust collection component effectively adsorbs dust and other pollutants generated during the pole cleaning process, improving the working environment and protecting the health of operators.

This invention belongs to the field of robot motion control technology and discloses a global finite-time motion control method for robots based on an adaptive composite observer. The method includes: Step 1: Designing an adaptive composite observer based on finite-time sliding mode manifolds to comprehensively compensate for uncertainties in robot kinematics and dynamics; Step 2: Then, designing a non-singular end-effector sliding mode motion controller based on an adaptive neural network and a preset performance error affine design to directly stabilize motion errors in the task space; Step 3: Finally, achieving global finite-time stability of the entire observer-control system using the Lyapunov design method, ensuring that observer errors and motion control errors converge rapidly to zero within a finite time, while satisfying the system's preset transient and steady-state response characteristics. This invention can rapidly converge robot end-effector motion errors to zero within a finite time, effectively improving robot efficiency and execution accuracy.

This invention discloses a pathology slide preparation device, belonging to the field of medical device technology. The invention includes a worktable, a movable plate slidably connected above the worktable, an operating plate fixedly mounted above the movable plate, and a fixing mechanism above the movable plate for fixing the paraffin block of the sample. A base frame is fixedly mounted above the worktable, and a drive cylinder is fixedly mounted above the base frame. The output end of the drive cylinder passes through the base frame and is fixedly mounted on a movable plate. A blade is engaged with the movable plate via a snap-fit ​​mechanism. A rack is fixedly mounted on the movable plate, and the rack meshes with a gear. A fan is fixedly mounted inside the gear, and the gear is rotatably mounted on a connecting rod. This invention uses a drive cylinder to move the blade up and down to complete the slide preparation action. Simultaneously, utilizing the principle of mechanical linkage, the up-and-down movement of the blade drives the rack and gear to rotate, which in turn drives the fan to rotate and disperse debris, keeping the operating area clean. This avoids the tedious manual cleaning of debris, improving work efficiency and slide preparation accuracy.

This invention relates to the field of agricultural automation and intelligent irrigation technology, and particularly to a variable irrigation decision system, comprising: a meteorological data acquisition module for acquiring daily meteorological data of a designated farmland within a first future time period starting from the current time; a soil monitoring module for real-time monitoring of soil data of the designated farmland; a data processing module for acquiring, based on the daily meteorological data and the current soil data of the designated farmland within the first future time period, the current soil moisture content, daily evapotranspiration, and daily soil drainage within the first future time period of the designated farmland, and further acquiring the soil moisture content of the designated farmland after a first preset time period; and a control module for determining the current irrigation demand of the designated farmland and issuing a first irrigation instruction to the irrigation device corresponding to the designated farmland; the first irrigation instruction is an instruction to irrigate the designated farmland according to the current irrigation demand of the designated farmland.

The application discloses a laser positioning polishing method and belongs to the technical field of laser control, and solves the technical problem that the obstacles in the working area affect the safety and efficiency of machine operation in the prior art; the laser positioning polishing method collects obstacle basic data and a target polishing range of an actual working area through a multi-point laser sensor; a three-dimensional environment model of an actual working environment of a mechanical arm is constructed based on the obstacle basic data; a polishing path is simulated based on basic data of a target workpiece; a joint space trajectory is inversely planned based on the polishing path and the three-dimensional environment model through an artificial intelligence algorithm, and a plurality of simulation paths are obtained; the plurality of simulation paths are evaluated based on working efficiency and working energy consumption, and corresponding evaluation coefficients are obtained; and an optimal path is extracted from the plurality of simulation paths according to the evaluation coefficients. The laser positioning polishing method improves the working efficiency and accuracy of the robot during polishing, avoids useless operation of the machine, and increases the service life of the machine.

This utility model belongs to the field of infrared lighting technology, and particularly relates to a linear infrared lighting fixture. This utility model provides a linear infrared lighting fixture, including a housing and a lamp plate, with the lamp plate installed inside the housing. It also includes connecting blocks, a connecting plate, and a mounting plate. Connecting blocks are connected to both ends of the housing, and the connecting plate is rotatably connected to the connecting blocks. The connecting plate is detachably mounted on the mounting plate. This utility model overcomes the inconvenience of maintenance in traditional linear infrared lighting fixtures, significantly simplifying the maintenance process and improving maintenance efficiency. The connecting plate is connected to the connecting block via a hinged connection, and its angle adjustment function allows for flexible alignment with the working area, improving the applicability and working accuracy of the lighting fixture.