8results about How to "Improve aggregation performance" patented technology

The application discloses a polarizer, a liquid crystal panel and a display device, relates to the technical field of display, and discloses a polarizer, which comprises a first protective layer, a first triangular prism array structure, a polarization layer, a second triangular prism array structure and a second protective layer which are sequentially stacked. The application effectively improves the light condensation capacity of the polarizer.

This utility model relates to the field of power system monitoring technology, specifically to a wireless monitoring sensor for the corrosion status of substation grounding grids. It includes a cylindrical base, a heat dissipation chassis fixedly mounted on the upper end of the cylindrical base, a layered shielding chamber fixedly mounted on the upper end of the heat dissipation chassis, and a shell fixedly mounted on the upper end of the heat dissipation chassis. The shell is configured as an umbrella cone structure, and a pointed cone-shaped energy-concentrating head is fixedly mounted on the upper end of the shell. The pointed cone-shaped energy-concentrating head is made of conductive and corrosion-resistant materials. Utilizing the principle of point discharge, this utility model enhances the ability to converge spatial electromagnetic field signals, thereby improving signal acquisition sensitivity and ensuring the accuracy of monitoring data. Simultaneously, by configuring the shell as an umbrella cone structure and providing an internal insulating cavity filled with heat-insulating material, the device's environmental adaptability is improved.

The invention relates to the technical field of medical disinfection devices, in particular to a disinfection device for a psychotherapy emotion catharsis instrument. The disinfection device for the psychotherapy emotion catharsis instrument comprises a movable cabinet body, a driving adjusting assembly, a side illumination assembly and two telescopic disinfection assemblies. The top, the middle and the bottom of a to-be-disinfected catharsis device can be comprehensively irradiated, so that the disinfection device can flexibly adapt to catharsis devices of different shapes and sizes, it is ensured that no dead corner exists in disinfection, meanwhile, the disinfection position and angle can be flexibly adjusted according to needs to adapt to the catharsis devices of different shapes and sizes, and the disinfection efficiency is improved. In addition, by means of cooperation of the lens adjusting motor and the adjusting lens set, the light gathering effect of a convex lens can be formed according to needs, the light gathering effect is enhanced, and the disinfection effect on key parts is further enhanced.

The invention provides a graph data representation method based on multiple virtual nodes and random hash propagation, and relates to the field of graph data representation, and the method comprises the steps: carrying out node importance evaluation and feature similarity clustering on an original graph, and dividing the nodes into a plurality of node clusters; introducing at least one virtual node for each node cluster, constructing a connection relationship between the virtual node and all real nodes in the cluster, and forming a structure enhancement graph; maintaining a sketch vector of which the fixed dimension is K for each real node and each virtual node on the structure enhancement graph; based on a random hash function family, performing multi-round propagation and updating on the sketch vector, and generating node representation fusing node attributes and multi-order structure information; and directly applying the node representation to a graph data processing task. According to the technical scheme, joint modeling of the node attribute information and the multi-order structure information in the complex graph structure is achieved.

The utility model belongs to the technical field of spray guns, and relates to a fire-jet head of a windproof pressurized liquefied gas spray gun, which comprises a barrel and a connecting piece arranged at the rear end of the barrel, air inlets for conveying air are arranged on the barrel, at least one of the air inlets is provided with a folding sheet, and the folding sheet is provided with an air inlet. One side of the folding piece is a folding edge connected with the cylinder body, the other side of the folding piece is a broken edge separated from the cylinder body, the folding piece is bent inwards along the folding edge and shields part of the air inlet, and a gap between the folding piece and the cylinder body forms an inclined air inlet channel. The fire-jet head of the windproof pressurizing liquefied gas spray gun has the advantages of being simple in structure, convenient to machine, large in fire power and good in windproof effect.

The invention provides an eye protection lighting lamp capable of thickening choroid and further controlling eye axis growth, and relates to the field of lamps, the eye protection lighting lamp comprises a base plate, a supporting rod, a main lamp and a phototherapy lamp, the phototherapy lamp comprises a lamp shell, the lamp shell comprises an upper lamp shell and a lower lamp shell, a heat dissipation shell is arranged at the top of the upper lamp shell, and a lamp panel electrically connected with a main substrate in the main lamp is arranged in the heat dissipation shell; a plurality of 650nm red light lamp beads are arranged on the lamp panel, an inner lamp shell is arranged in the lower lamp shell, a lens is fixed on the inner lamp shell, a groove is formed in the position, located at the irradiation position of the red light lamp beads, of the top of the lens, a first convex lens is arranged at the bottom of the groove, a trapezoidal groove is formed in the bottom of the lens, and a second convex lens is arranged at the bottom of the trapezoidal groove. Through the design of an external phototherapy lamp lens structure, effective convergence of a light source is achieved, a 650nm red light lamp bead light source is converged to the periphery of the eyes of a user, the functions of thickening the choroid and further controlling the growth of the eye axis are achieved, and the eye nursing effect on the user is improved.

The invention provides an imaging lens. The imaging lens comprises a lens barrel, a lens group and a spacing element group, the lens group and the spacing element group are arranged in the lens barrel, the lens group is composed of five lenses, and the five lenses are sequentially a first lens, a second lens, a third lens, a fourth lens and a fifth lens from the object side to the image side; the spacing element group comprises a first spacing element and a second spacing element; the following conditions are satisfied: 0.8 lt; f1 / flt; 1.3, 2, 3; the formula is as follows: # imgabs0 #; the following conditions are satisfied: 1.05 lt; d < 1m > / d < 1slt >; and 1.4. The imaging lens solves the problem that the imaging lens in the prior art meets the focusing requirement, so that the front-end lens is high in sensitivity.

The embodiment of the utility model discloses an optical lens, and the lens comprises a seven-piece lens group which comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens which are sequentially arranged from the object side to the image side along an optical axis; a spacer group including a first spacer between the first lens and the second lens and in direct contact with an image side surface of the first lens; and a lens barrel in which the seven-piece lens group and the spacer group are accommodated; wherein the outer diameter D1s of the object side surface of the first spacer, the effective focal length f1 of the first lens and the curvature radius R2 of the image side surface of the first lens meet the following conditions: f1 is less than 0; r2 < 0; -2.5 < D1s / R2 + D1s / f1 <-1.8.