12results about How to "Achieve convergence" patented technology

This application relates to the field of new energy vehicle charging equipment technology, and discloses a multifunctional mobile vehicle-mounted charging device, including a carrier vehicle. A battery pack and charging module are installed inside the vehicle's cargo compartment. A slide rail is fixedly connected to the top of the cargo compartment, and a support frame is slidably connected to the slide rail. An air extraction component is fixedly connected inside the support frame to extract air from inside the cargo compartment to the outside, thereby accelerating the ventilation efficiency between the inside and outside of the cargo compartment. The bottom end of the support frame facing the rear door of the cargo compartment is connected to the rear door of the cargo compartment via a connecting rod, and the top end is hinged to one end of a drive arm. By directly transmitting the opening action of the rear door of the cargo compartment to the support frame via the connecting rod, the support frame and the air extraction component are driven to slide out of the cargo compartment along the slide rail. This transforms the necessary action of opening the door into the driving force for the deployment of the cooling system and wiring components. The device is ready without additional operating steps, and the linkage process is stable and reliable.

The utility model relates to pharmaceutical equipment technical field especially relates to a kind of powder accumulation prevention wall cleaning device of spray drying tower.It is a kind of powder accumulation prevention wall cleaning device of spray drying tower, including main part, limiting screw rod, locking knob, sliding sleeve, first pivot, folding rod, brush and hinged rod, main part bottom fixed connection has limiting screw rod, limiting screw rod is threadedly connected with locking knob, locking knob bottom periphery fixed connection sliding sleeve, limiting screw rod lower end rotationally connects first pivot, first pivot periphery is cross-distributed rotationally connected with folding rod, folding rod outer end is all fixedly connected with brush, and each folding rod outer side top and sliding sleeve lower periphery between rotationally connected with hinged rod.The utility model is moved up and down along limiting screw rod by rotating locking knob and driving sliding sleeve, realizes the unfolding and folding of folding rod, improves the operation convenience and maintenance efficiency of equipment, reaches the effect that it is easy to operate and efficiently to complete drying tower inner wall cleaning.

This invention belongs to the field of sound-generating device technology, specifically a directional sound-generating device and its manufacturing process. It includes a folding mechanism, a height adjustment mechanism located below the folding mechanism, a rotating mechanism located at the top of the folding mechanism, an angle adjustment mechanism located at the top of the rotating mechanism, and a mounting mechanism located above the angle adjustment mechanism. A directional sound-generating body is fixed above the angle adjustment mechanism via the mounting mechanism. The rotating mechanism includes a fixed base, with a second motor fixedly connected to the left side of the top of the fixed base. A first gear is fixedly connected to the output end of the second motor, and a second gear is meshed with the right side of the first gear. This invention achieves lateral adjustment of the sound-generating device by controlling the rotation of the first gear with the second motor, which in turn drives the second gear to rotate the rotating frame. Vertical adjustment of the sound-generating device is achieved by controlling the up-and-down movement of the mounting frame with a telescopic rod. This solves the problem of traditional sound-generating devices requiring manual adjustment to change the direction of the sound source output, which is labor-intensive.

This application relates to a method, apparatus, and measurement system for dynamic measurement of assembly data. The measurement system includes a moving crossbeam and multiple calibration targets, with a 3D scanner and a laser tracker mounted on the moving crossbeam. The method includes: controlling the moving crossbeam to move to a measurement pose; positioning multiple calibration targets using the laser tracker to construct a geodetic coordinate system and tracking and determining the real-time pose of the 3D scanner in the geodetic coordinate system; controlling the 3D scanner to move and scan to obtain reference point cloud data and key area point cloud data of the assembly workpiece, and establishing the point cloud correlation between the two, establishing a workpiece coordinate system based on the reference point cloud data; based on the workpiece coordinate system, real-time pose, and point cloud correlation, mapping the key area point cloud data to the geodetic coordinate system and performing error correction; and generating an assembly deviation map based on the deviation between the corrected actual measurement data and the expected measurement data. This method can improve the cycle time efficiency and assembly accuracy pass rate of a pulsed assembly production line.

The application discloses a nozzle and belongs to the technical field of fluid injection equipment. The nozzle comprises a nozzle body, a first cavity, a second cavity and a third cavity which are sequentially arranged in the nozzle body, the diameters of the three cavities are sequentially reduced, and steps are arranged between adjacent cavities. The second cavity is provided with an injection cylinder, and the first cavity is provided with a compression ring. The injection cylinder is provided with a second channel, an outer side wall is provided with a third channel, the two channels are communicated through a through hole, and an extension part with a fluid outlet and a guide inclined surface is arranged at the end. The application can reduce pressure loss, improve injection stability and uniformity, is convenient to install, and has a long service life.

This utility model provides a pipeline inspection auxiliary device, including a bottom support frame and an extension mechanism installed on the top of the bottom support frame. The extension mechanism includes a base plate, a middle plate, an upper plate, connecting rods, and a linear movement component. The base plate is fixedly installed on the top of the bottom support frame. Four connecting rods are provided and vertically installed at the four corners of the base plate surface. The middle plate is installed on the top of the connecting rods. The linear movement component is disposed on the base plate, and the moving end of the linear movement component is connected to the upper plate. An extension hole corresponding to the moving end of the linear movement component is opened on the middle plate. The bottom support frame supports the extension mechanism. The extension mechanism enters the well from the wellhead and drives the upper plate to move towards the corresponding pipeline opening through the linear movement component, realizing the connection between the middle plate and the pipeline opening, which facilitates the pipeline robot to enter the pipeline for inspection.

The application relates to the field of MEMS sensors and discloses a factory calibration method for humidity drift of a MEMS sensor in outdoor cold-state measurement, which comprises the following steps: S1, high-humidity environment construction and natural attenuation, and S2, dynamic data synchronous acquisition.In the application, a calibration environment without vibration interference and with natural humidity change is constructed, so that the technical problem of a traditional constant-humidity box calibration method is fundamentally solved, the coupling interference of equipment vibration such as a fan and a compressor on the output signal of the MEMS sensor is completely eliminated, the purity and authenticity of the drift data are ensured, the calibration coefficient can accurately reflect the physical correlation between humidity and the sensor output, and secondly, the natural attenuation process of humidity simulates natural scenes such as day-night cycles and weather changes experienced by the sensor in actual outdoor application, and there is an essential difference between the continuously changing humidity path and the constant-humidity box step-by-step stable control, so that the humidity drift coefficient calibrated has stronger generalization ability and compensation applicability in actual working conditions.

This invention provides a multi-FCU collaborative control method and system based on temperature deviation. The method includes acquiring real-time operating parameters of multiple fan coil unit (FCU) units within a controlled area and the current ambient temperature at the corresponding point of each FCU; calculating the local temperature deviation value of each FCU and determining the regional average temperature deviation value based on the overall thermal field distribution of the controlled area; dynamically clustering the multiple FCUs based on the correlation between local and regional temperature deviation values, dividing them into lead units and follower units; determining the initial adjustment increment of the lead unit and calculating the collaborative compensation ratio of each follower unit; and finally synchronously issuing control commands to achieve convergence of the temperature deviation in the controlled area by adjusting the variable frequency fan speed and water valve opening of each unit. This invention can improve the temperature control accuracy of multiple FCUs and the regional temperature uniformity, suppress pipeline pressure fluctuations, and reduce system operating energy consumption.

This application discloses an adaptive optimization method and system for thermal coupling parameters of automotive backlight panels, relating to the field of parameter simulation optimization technology. The specific implementation scheme is as follows: A full-envelope operating condition script is compiled; a thermal model and thermal coupling parameter set are imported; thermal simulations are automatically run in batches sequentially using the full-envelope operating condition script; raw datasets for each operating condition segment are collected; risky operating condition segments are screened; thermal coupling parameter perturbation groups are applied to each risky operating condition segment; high-risk operating condition segments are identified; parameter inversion is performed on each high-risk operating condition segment; and the thermal coupling parameter update strategy for each high-risk operating condition segment is determined, along with the optimal thermal coupling parameter version. This invention can improve the prediction accuracy of the thermal model under complex or extreme operating conditions, thereby avoiding problems such as underestimated junction temperature peaks, distorted hotspot locations, and drifting temperature rise rates. This provides a scientific and reliable data basis for the structural design, safety margin setting, and temperature control strategy optimization of automotive backlight panel radiators.

This invention discloses an adaptive control method for vehicle queuing based on specified performance and fixed-time sliding mode, relating to the field of distributed vehicle queuing control technology. The method includes: establishing a vehicle dynamics model; designing a piecewise continuous function based on a constant spacing strategy to constrain follower tracking errors; designing an error transformation function with specified time performance constraints to transform the constrained problem into an unconstrained problem and constructing a fixed-time sliding surface; constructing a controller by combining adaptive parameter estimation to compensate for unknown nonlinear terms and disturbances, estimating parameters, and achieving vehicle queuing stability within a fixed time; and integrating specified performance and fixed-time sliding mode control to achieve fixed-time convergence and transient and steady-state error performance, thereby improving the reliability of queuing control.

The application relates to a horizontal protection device for a cantilever type unloading platform, which comprises a protection main frame and a horizontal protection net, the protection main frame comprises three frame rods and a plurality of connecting rods, the three frame rods are arranged in a head-to-tail mode to form a U-shaped structure, and correspond to three edges of the unloading platform in suspension, the connecting rods are uniformly distributed along the length direction of the frame rods, one end of the connecting rod is arranged on the frame rod, the other end of the connecting rod is arranged on the unloading platform, the connecting rod and the frame rod form a space for accommodating the horizontal protection net, and the horizontal protection net is bound to the connecting rod and the frame rod. The application has the effect of protecting the external corner area of the unloading platform, thereby eliminating the safety hidden danger of material falling in the external corner area.

This invention relates to a multi-channel micro-area angle-resolved monitoring system and method. The monitoring system includes: a relatively movable incident arm and a receiving arm, the incident arm having at least two incident channels and the receiving arm having at least two receiving channels; an ellipsoidal beam path assembly and a holographic interference beam path assembly selectively and positionally adjustable in the incident and receiving channels; and a light source, a photodetector, and a large numerical aperture lens arranged in coordination. The ellipsoidal beam path assembly can be used to measure the ellipsoidal deviation of the sample, and the holographic interference beam path assembly can be used to perform off-axis digital holographic measurement of the sample. Furthermore, the relative movement of the incident arm and the receiving arm, combined with the large numerical aperture lens, allows for adjustment of the incident angle of the incident beam, thereby acquiring more comprehensive multi-dimensional optical signals and more accurately monitoring the optical properties of the sample.