10 results about "Equilateral polygon" patented technology

The utility model discloses a safety helmet of adjustable lighting angle, including safety helmet body and band, be equipped with angle adjusting device and headlamp on safety helmet body, and angle adjusting device includes U shape mounting panel, rotating sleeve, lamp stand, rotating inner rod and equilateral polygon fixed block, U shape mounting panel is connected with safety helmet body, and is equipped with rotating through -hole in both ends, and two rotating through -hole inboard is equipped with polygonal step groove, and rotating sleeve both ends are equipped with sliding cavity, and rotating inner rod sliding sleeve is established in sliding cavity, and reset spring is equipped in sliding cavity, and reset spring both ends are connected with rotating sleeve and rotating inner rod respectively, and rotating inner rod is rotatably connected with rotating through -hole, and its upper solid is equipped with equilateral polygon fixed block, and equilateral polygon fixed block is adapted with polygonal step groove, and lamp stand is connected with rotating sleeve, and headlamp is fixedly connected with lamp stand. The technical problem of inconvenient irradiation angle adjustment and low efficiency caused by the need of two hands to adjust the angle of the headlamp in the prior art has been solved.

The application discloses a micro-grid topology reconfiguration method based on a graph neural network, and relates to the technical field of micro-grids, solves the problem that the modeling process of a traditional topology reconfiguration method often ignores the difference between the connection modes of nodes, and further affects the accuracy of impedance parameter checking and optimization, the application extracts historical interaction data of adjacent power nodes, adopts an equilateral polygon and a measurement connecting line to construct an exclusive checking chart, binds different data types and the measurement connecting line and gives corresponding measurement standards, combines parameter change proportion and data chart area proportion to calculate proportional characteristics, and forms a standardized checking reference; the checking system can convert abstract operation parameter changes into quantifiable area proportion and proportional characteristics, avoids the disadvantages of traditional checking, such as relying on experience judgment and lacking unified standards, and realizes accurate depiction of operation parameter change characteristics of adjacent power nodes.

Disclosed is an assembly cell for assembling a three-dimensional object, in which a rotatable angle range between main bodies connected to each other is significantly increased as compared with the prior art, due to inclined surfaces at the edges of the main bodies. The assembly cell for assembling a three-dimensional object comprises: main bodies each forming an equilateral polygon; a connection assembly unit provided with cylinder heads which are installed at intervals on the sides of the main body and arranged to have a coaxial shaft; and cylinder head mounting portions which are arranged at both sides of the cylinder head located at one edge and provide a space in which an object having the same shape as the cylinder head can be coupled.

The utility model provides a novel multidirectional geogrid which comprises a grid body of an equilateral polygon structure, a clamping groove of an arc-shaped structure is formed in each corner of the grid body, after the adjacent grid bodies are spliced, the adjacent clamping grooves can be combined into an annular structure, and the adjacent grid bodies are connected through embedding of clamping rings and the clamping grooves. And a reinforcing plate is arranged below the grating and at each corner. The grille adopts an equilateral polygon structure, so that the grille can realize multidirectional cooperation, edges and areas support each other when the grille is used for coping with external forces in different directions, in addition, a reinforcing plate is arranged below each corner of the grille, a clamping column of the reinforcing plate is tightly and mechanically embedded with a corresponding part of the grille, and a fixing groove of the reinforcing plate is tightly and mechanically embedded with a bulge below the grille, so that the strength of the corners of the grille is enhanced, and the service life of the grille is prolonged. Good integrality can be kept when the steel plate is subjected to external force such as large pulling force and shearing force; in addition, the aluminum alloy reinforcing rings embedded in the clamping rings are matched with the clamping columns on the reinforcing plates, so that the connecting strength of the adjacent grids is enhanced.

A semiconductor device includes a multi-die package, a testkey region, and a scribe line. The multi-die package includes a plurality of dies each in a regular polygon shape, wherein each of the plurality of dies includes a number of sides, and the number is a multiplier of four and is greater than four. The testkey region is disposed between the plurality of dies and adjacent to one side of each of the plurality of dies. The testkey region is in an equilateral polygon shape. The scribe line surrounds a periphery of each of the plurality of dies and a periphery of the testkey region.

The invention discloses a multilayer polygonal venue antenna, which belongs to the field of wireless communication, and comprises a reflecting plate, a plurality of radiation units arranged on the reflecting plate, and a feed network for feeding the plurality of radiation units, and the physical center points of the plurality of radiation units are distributed on at least two concentric equilateral polygon tracks. The feed network specifically comprises an inner-layer polygonal track and an outer-layer polygonal track, the edge number M2 of the outer-layer track and the edge number M1 of the inner-layer track meet the condition that M2 / M1 is larger than or equal to 2, and meanwhile, the feed network is configured to feed all the radiation units on the inner-layer polygonal track by adopting a first feed amplitude A1, all the radiation units on the outer-layer polygonal track adopt the second feed amplitude A2 for feeding, A1 and A2 are not equal, and through the inner-layer and outer-layer polygonal array structures and two amplitude distribution, the feed network is simplified, the cost and loss are reduced, and different wave beam shapes can be shaped to adapt to various venue scenes while high gain and low side lobe are realized.

The utility model relates to the technical field of camera shooting, in particular to a variable aperture with gears of adjacent apertures capable of being adjusted at equal angles, which comprises an angle-adjustable variable aperture assembly, a driving ring is arranged on the upper side of the angle-adjustable variable aperture assembly, a track groove is arranged on the inner side of the driving ring, a fixed seat is arranged on the lower side of the driving ring, and the fixed seat is fixed on the fixed seat. Positioning holes are formed in the periphery of the inner side of the fixing base respectively, and rotating pins are clamped and embedded in the inner walls of the positioning holes. According to the variable diaphragm, the gears of the adjacent diaphragms can be adjusted at equal angles, and the angle of the driving ring is rotated, so that the diaphragm blades are driven to obtain the corresponding clear apertures required by the gears; the blade rotates around the axis of the rotating pin, the sliding pin slides along the track groove in the driving ring, when the driving ring rotates, the diaphragm blades are driven by the track groove to synchronously rotate, and the inner edges of the diaphragm blades form an equilateral polygon, so that the gear of the diaphragm can be conveniently adjusted at equal angles.

This invention discloses a runway truncation analysis method based on native C# functions, belonging to the field of damage assessment technology. The method includes the following steps: discretizing the edges of pits or protrusions; constructing equilateral polygon graphics corresponding to the pits or protrusions using the native C# function `GraphicsPath`; combining all equilateral polygon graphics corresponding to the pits or protrusions using the function `Union`; establishing a three-layer calculation loop based on the runway's length, width, and minimum takeoff and landing rectangle skew angle; establishing the minimum takeoff and landing rectangle based on the loop parameters; determining whether the minimum takeoff and landing rectangle is inside the runway and whether it intersects with the union of pits or protrusions; whether they intersect corresponds to whether the runway is truncationed. In this application, the discrete points of the pit or protrusion edges do not need to directly participate in the intersection judgment, solving the computation time or information loss problems caused by the discretization of pits or protrusions in existing runway truncation analysis methods.

The utility model provides an egg sieving device which comprises a working table, a weighing seat and a control box are arranged at the top of the working table, and a spherical protrusion and at least three guard bars evenly distributed around the spherical protrusion are arranged at the top of the weighing seat. The tops of the at least three guardrails are rotatably connected with the top of the weighing seat, the rotation axes intersect to form an equilateral polygon, the bottom of the weighing seat is provided with a control combination used for controlling the guardrails to rotate, and the workbench is provided with inclined drainage grooves corresponding to the guardrails in a one-to-one mode. The high end of the inclined drainage groove extends to the spherical protrusion and is located below the guard bar. According to the egg screening device, the weighing base, the spherical protrusions, the n-shaped frame, the inclined drainage groove and the control combination are arranged, eggs with different weights can be conveniently conveyed into different trays outside, operators do not need to frequently take and place the eggs, and the efficiency of screening the eggs according to the weights is greatly improved.

A semiconductor device includes a die set, a test key setting area, and a scribe lane. The die set includes a plurality of dies, each die having a regular polygonal shape. Each die has a plurality of sides, and the number of sides is a multiple of four and greater than four. The test key setting area is disposed between the dies and adjacent to one side of each die. The test key setting area has an equilateral polygonal shape. The scribe lane is disposed perimetrically on an outer edge of each die and an outer edge of the test key setting area.