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7296 results about "Shock resistance" patented technology

Millimeter-wave quasi-optical integrated dielectric lens antenna and array thereof

InactiveCN101662076AWith quasi-optical Gaussian beam radiation characteristicsGuaranteed normal transmissionAntenna arraysDielectric resonator antennaDielectric substrate
The invention relates to the technical field of radar, in particular to a millimeter-wave quasi-optical integrated dielectric lens antenna and an array thereof. The array consists of a microstrip integrated antenna, a dielectric lens, an objective lens, an array base, a reflecting mirror, a protective cover and a beam transfer switch; one end face of the dielectric lens is a hemisphere or an ellipsoid, while the other end face is a cylindrical section; the microstrip integrated antenna is generated by an dielectric substrate, the front surface of the dielectric substrate is closely adhered tothe cylindrical section of the dielectric lens and serves as a feed source, and the back surface is grounded; the hemispherical or ellipsoidal end face of the dielectric lens is an antenna radiating surface; the length of the cylindrical part of the dielectric lens can be changed; the antenna array is arranged into a linear array or an area array; the array base and the reflecting mirror have conical quasi-optical reflecting mirror surfaces; the focus of the objective lens of the linear array or the area array aligns with the central line of the dielectric lens; the protective cover is arranged outside; and the antenna array is controlled by the beam transfer switch. The antenna structure has strong shock resistance and dust prevention, and is suitable for millimeter-wave radars for planes, automobiles and ships, and receiving/emitting sensing of communication equipment.
Owner:阮树成

Millimeter-wave quasi-optical integrated dielectric lens antenna and array thereof

InactiveCN101662076BWith quasi-optical Gaussian beam radiation characteristicsGuaranteed normal transmissionAntenna arraysDielectric substrateIntegrated antenna
The invention relates to the technical field of radar, in particular to a millimeter-wave quasi-optical integrated dielectric lens antenna and an array thereof. The array consists of a microstrip integrated antenna, a dielectric lens, an objective lens, an array base, a reflecting mirror, a protective cover and a beam transfer switch; one end face of the dielectric lens is a hemisphere or an ellipsoid, while the other end face is a cylindrical section; the microstrip integrated antenna is generated by an dielectric substrate, the front surface of the dielectric substrate is closely adhered tothe cylindrical section of the dielectric lens and serves as a feed source, and the back surface is grounded; the hemispherical or ellipsoidal end face of the dielectric lens is an antenna radiating surface; the length of the cylindrical part of the dielectric lens can be changed; the antenna array is arranged into a linear array or an area array; the array base and the reflecting mirror have conical quasi-optical reflecting mirror surfaces; the focus of the objective lens of the linear array or the area array aligns with the central line of the dielectric lens; the protective cover is arranged outside; and the antenna array is controlled by the beam transfer switch. The antenna structure has strong shock resistance and dust prevention, and is suitable for millimeter-wave radars for planes, automobiles and ships, and receiving / emitting sensing of communication equipment.
Owner:阮树成

Environmental-protection anti-corrosive heat-dissipation powder paint, and preparation method and application thereof

The invention discloses an environmental-protection anti-corrosive heat-dissipation powder paint, and a preparation method and application thereof. The environmental-protection anti-corrosive heat-dissipation powder paint comprises the following raw materials in parts by weight: 40-90 parts of matrix resin, 2-40 parts of curing agent, 0.5-10 parts of carbon nanotube, 0.5-2 parts of additive, 0-4.5 parts of hexagonal boron nitride, 0-15 parts of aluminum nitride, 0-10 parts of magnesium nitride, 0-10 parts of silicon carbide and 5-30 parts of pigment and filler. The composition and proportioning of the raw materials of the powder paint disclosed by the invention are scientific and reasonable. The experimental result indicates that the powder paint has the advantages of favorable heat-dissipation effect, high efficacy enhancement rate (higher than 60%) and favorable cooling effect (more than 20 DEG C), and can effectively solve the problem of poor heat-dissipation effect in the high-power electronic product, thereby prolonging the service life of the electronic product. The powder paint disclosed by the invention is free of organic solvent, and is environment-friendly and safe; the powder paint disclosed by the invention also has favorable comprehensive properties, such as flexibility, hardness, adhesive force and the like, and stable chemical properties; and the coating formed by the powder paint has the advantages of high corrosion resistance and shock resistance, favorable insulation property and wide application range.
Owner:TIGER DRYLAC TAICANG

Chlorinated polrvinyl chloride modified material as well as preparation method and application thereof

The invention relates to a chlorinated polrvinyl chloride modified material as well as a preparation method and application thereof. The raw material formula of the chlorinated polrvinyl chloride modified material comprises the following components in parts by weight: 40-90 parts of chlorinated polrvinyl chloride, 20-70 parts of polrvinyl chloride, 5-30 parts of modified resin, 1.5-10 parts of heat stabilizing agent, 20-60 parts of plasticizer, 1-10 parts of antioxidant, 1-10 parts of lubricating agent, 5-40 parts of filling agent, 8-40 parts of fire retardant, 8-40 parts of flame retardant synergist and 1-20 parts of polrvinyl chloride processing aid. Compared with the known CPVC (chlorinated polrvinyl chloride) modified plastic, the CPVC modified plastic disclosed by the invention is more excellent in physical and mechanical properties and is relatively reduced in cost; and compared with the known CPVC modified plastic, the CPVC modified material disclosed by the invention is obviously improved in heat resistance and flame retardant property (oxygen index can reach about 45%, and simple root of CPVC modified material can be vertically burnt) besides more excellent processabilityand obviously improved material brittleness and shock resistance. Thus, the CPVC modified material disclosed by the invention is suitable for being used as a wire and cable sheath material.
Owner:JIANGSU DEWEI ADVANCED MATERIALS

High strength aluminosilicate glass and chemically toughening process thereof

ActiveCN101337770AMeet the screen saver functionProtective functionGlass tempering apparatusAlkali freeShock resistance
The invention relates to a high-strength aluminate silicate glass and a chemical toughening method thereof, and belongs to the silicate glass field. The glass comprises the following chemical components (weight percent): 55 to 65 weight percent of SiO2, 0.1 to 3 weight percent of B2O3, 6 to 24 weight percent of Al2O3, 3 to 9 weight percent of MgO plus CaO plus BaO plus SrO, 0 to 1 weight percent of ZrO2, 0 to 2 weight percent of ZnO, 0.1 to 0.5 weight percent of Cl2, 0.1 to 1.0 weight percent of Sb2O3, 0.1 to 0.5 weight percent of SO3 and 0.1 to 0.5 weight percent of F2, and belongs to a aluminate silicate glass system. The high-strength aluminate silicate glass is prepared through a known plate glass production method, and then is subjected to the strengthening treatment by adopting the chemical toughening method. The glass has high permeability of visible light, and relatively common soda lime glass, neutral medicine glass and alkali-free high-aluminum glass have good shock resistance property, high scratch resistance property and high durability. The high-strength aluminate silicate glass is applied to the screen surface protection of plasma display products and liquid crystal display products, the protection of touch screens, the screen protection of automated teller machines, and the screen protection of other electronic products (Mobile phones, PDAs and media machines, etc.), thereby effectively preventing the impact and the scratch damage to the glass surface of display products. The high-strength aluminate silicate glass contains no harmful elements.
Owner:SUZHOU SHINWU OPTRONICS TECH

Integrated illumination assembly for symbology reader

This provides a plurality of novel features that can be applied variously to a reader. In one embodiment, the light pipe is constructed from durable polycarbonate for increased shock resistance and can define a rectangular cross section. The chamfered end of the light pipe is textured or frosted to further diffuse refracted light passing through the end so as to present a more even effect. The conical / tapered diffuser within the light pipe is illuminated by a reflector with a white textured surface that reflects a plurality of rearward-directed illumination sources back into the diffuser. The reflector can define a predetermined cross section that directs further light into the forwardmost, remote regions of the diffuser to generate a better spread of light and alleviate spotting effects. The textured surface on the chamfered light pipe end can be employed to better project indicator light. The illumination sources are arranged in a ring at the inner end of the pipe, and can be multi-colored sources that respond to the controller to project and appropriate color and / or blink in an appropriate pattern to indicate various conditions, such as read success or failure. The controller is adapted to provide indications between image acquisitions. The controller can operate individual portions of the ring so that only corresponding portions of the light pipe perimeter are illuminated in a particular color (quadrants, for example) at a given time. Different quadrants may be simultaneously illuminated in different colors in one example
Owner:COGNEX TECH & INVESTMENT

Double-layered packaging paper box

InactiveCN108001787AConvenient packing workHigh speedRigid containersEconomic benefitsCarton
The invention relates to the technical field of paper boxes, and provides a double-layered packaging paper box. The double-layered packaging paper box comprises box covers, cover strips, flaps, reinforcing plates and a box body outer layer, wherein the reinforcing plates are arranged in the box body outer layer; the cover strips are arranged on the left surface and the right surface of the upper part of the box body outer layer; the flaps are arranged on the front surfaces and the rear surfaces of the cover strips; the box covers are arranged on the front surface and the rear surface of the upper part of the box body outer layer; and each reinforcing plate comprises a reinforcing plate main body, reinforcing ribs and connecting ribs. By arrangement of the cover strips and the flaps, good paper box packaging operation can be realized favorably, the box packaging speed is increased, the production efficiency is improved, and huge economic benefits can be brought for users; and by arrangement of the reinforcing ribs, impact resistance and compression resistance of the paper box are enhanced favorably, the using effect of the paper box is improved, the impact resistance and the compression resistance of the paper box are high, huge economic benefits are brought for the users, and characteristics of impact resistance and extrusion resistance are realized.
Owner:慈溪市奇超科技有限公司

High-carbon high-chromium high-niobium cast iron self-protecting flux-cored wire

The invention provides a high-carbon high-chromium high-niobium cast iron self-protection flux-cored wire. The flux-cored wire has a steel belt as an outer skin. The flux core comprises the following components in weight percentage: 10 to 30 percent of ferroniobium, 20 to 30 percent of high carbon ferrochrome, 0.1 to 3 percent of V, 0.2 to 3 percent of W, 0.6 to 0.8 percent of ferromanganese, 0.2 to 0.8 percent of 75 ferrosilicon, 20 to 30 percent of chromium carbide, 5 to 12 percent of graphite, 1 to 10 percent of aluminum-magnesium alloy, 1 to 5 percent of silicon carbide and 1 to 3 percent of ferroboron; and the percentage of a counter weight is between 46 and 54 percent. The high-carbon high-chromium high-niobium cast iron self-protection flux-cored wire has the advantages of high hardness, good wear resistance, good oxidation resistance and strong shock resistance, and is widely applied to grinding rolls and grinding disks of coal grinding machines in thermal power plants and cement plants, material charging equipment in blast furnaces(material charging slots, receiving cones, material storage areas and sieve plates), slag vertical mills, hammer heads and rollers of crushers and sintering equipment workpieces in steel plants.
Owner:CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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