8results about How to "Solve matching problems" patented technology

The invention discloses a pipeline modeling method and system based on pipeline characteristics, and belongs to the technical field of image processing, and the method comprises the steps: screening line segment elements in a CAD drawing according to preset pipeline parallel characteristics and a circle center point in the CAD drawing, and obtaining a first center line set; based on the search range of the first center line, detecting the connection condition of the line segment elements at the end points and the line segment intersection condition, and expanding the first center line set according to the detection result to obtain a second center line set; and constructing a plurality of three-dimensional pipeline sections in combination with the pipeline attribute information extracted from the CAD drawing and the second center line set. Therefore, by implementing the method, the problem that in the prior art, it is difficult to accurately and rapidly extract pipeline segments from complex CAD drawings, and then accurate pipeline modeling is achieved can be solved.

This invention discloses an initial frequency identification method for a frequency conversion wireless charging system. The method comprises: S1, power-on initialization; S2, signal acquisition and processing; S3, timing value capture; S4, waveform type identification and phase angle calculation; S5, initial frequency identification and adjustment. Steps S2 to S5 are repeated until the switching frequency is adjusted to a preset range and meets the soft-switching conditions, thus completing the initial frequency identification. This invention relates to the fields of power electronics and wireless charging technology.

The embodiment of the invention provides a reliability detection and model automatic training method for a sealing structure of a wellhead. The method comprises the steps of obtaining a size data set of the sealing structure; the size data set comprises a plurality of size data; the size data represents information of a physical structure of the sealing structure; performing matching processing on the size data set and a data set in a preset model library to obtain multiple groups of matched data sets; determining an initial model corresponding to the matched data set based on a preset model library; based on a Bayesian optimization algorithm, processing the size data set and each initial model to obtain a reliability detection model; the reliability detection model is used for processing the size data of the sealing structure to obtain a reliability detection result of the sealing structure. The method is used for achieving the effect of accurately and effectively detecting the reliability of the sealing structure.

The utility model discloses a multi-station collaborative efficient filter pressing system which comprises a station support, a driving mechanism, a filter pressing main machine and at least two material distributing machines, the driving mechanism and the filter pressing main machine are arranged on the station support, and the output end of the driving mechanism is connected with the filter pressing main machine and used for driving the filter pressing main machine to do linear reciprocating motion on the station support; each material distributing machine is arranged on one side of the station bracket and is arranged along the moving direction of the filter pressing main machine, a material frame is correspondingly arranged on each material distributing machine, and an oil cylinder on each material distributing machine can drive the material frame to reciprocate on the material distributing machine and the station bracket. Through cross-process time sequence reconstruction and multi-equipment parallel cooperation, serial waiting of a traditional filter pressing system is converted into asynchronous rotation, and multiple improvement breakthrough of the equipment utilization rate, the production efficiency and process automation is achieved in a large-yield dehydration scene.

The invention discloses a carbon footprint tracking big data processing analysis system, and belongs to a carbon footprint analysis technology. Carbon footprint full-chain tracking is realized by incorporating emerging main bodies such as a distributed power supply and a micro-grid, synchronization of data and a power grid state is ensured through a space-time dynamic mechanism, and the real-time performance and accuracy of carbon footprint accounting are improved; by constructing a multi-element main body carbon footprint tracking model, core input can be provided for distributed power supply loss allocation and micro-grid responsibility division; by constructing a distributed power supply scene and a corresponding loss supervision processing scheme, the rationality of loss allocation is improved; by constructing a micro-grid interconnection scene and a corresponding loss supervision processing scheme, responsibilities under two-way exchange are clearly divided; the carbon footprint tracking data is matched and verified by using the carbon footprint tracking chain, and an accurate and compliant carbon footprint list and a loss allocation scheme can be adaptively output, so that the effects of diverse division of loss responsibilities and coverage of multiple scenes are realized.

The utility model discloses an engine cover sealing strip for covering a triangular hole among a front shield, a machine cover and a headlight, which comprises the front shield (1), the machine cover (2) and the headlight (3), a sealing strip (4) is arranged on the machine cover (2), the side edge of the sealing strip (4) is a sealing strip connecting corner (5), the sealing strip connecting corner (5) covers a triangular gap among the front shield (1), the machine cover (2) and the headlight (3), and the machine cover (2) and the headlight (3) are arranged on the machine cover (2). An extension edge (7) is arranged on the side edge of the sealing strip connecting corner (5), the extension edge (7) is in lap joint with the surface of the headlamp (3), the interference amount of the extension edge (7) and the surface of the headlamp (3) is 0.2 mm, and the lap joint amount between the sealing strip connecting corner (5) and the machine cover (2) is smaller than 8 mm; the sealing strip (4) covers the headlamp (3) and covers the triangular hole formed between the front protector (1) and the machine cover (2), so that the appearance problem of the triangular hole with the same structure can be effectively solved.

The application discloses a gas shield solid wire rod and welding wire for improving full-position welding arc stability, which contains Fe and inevitable impurity elements, and the following chemical elements with mass percentage: C: 0.05-0.12%; Si: 0.7-1.4%; Mn: 1.0-1.9%; S: 0.008-0.02%; Ti: 0.08-0.19%; Al: 0.01-0.08%; Zr: 0.01-0.06%; Ni: 0.1-0.8%; Mo: 0.09-0.25%; Y: 0.02-0.07%; O: 0.003-0.008%. The welding wire can realize uniform distribution and spreading of the bead surface layer slag to both sides of the weld and self-stripping after welding, and avoids the problem of arc instability caused by a large amount of slag gathering in the center of the weld.