35results about How to "Increase the compression factor" patented technology

The invention discloses a special-shaped oxidation-resistant high-conductivity aluminum alloy carbon fiber lead wire which is manufactured by twisting and compressing special-shaped aluminum alloy monofilaments and composite carbon fibers, wherein the special-shaped aluminum alloy monofilaments consist of components by mass percent: 0.10-0.80% of iron, 0.15-0.30% of copper, 0.05-0.10% of silicon, 0.05-0.10% of zinc, 0.01-0.05% of magnesium, 0.02-0.12% of rare earth elements, 98-99% of aluminum, and the balance of impurities. The aluminum alloy obtained in the invention is a novel Al-Cu-Fe alloy material with high tensile strength, higher elongation and easiness in drawing and machining, and the finally manufactured lead wire is low in resistance rate and high in elongation.

A device and method for compressing image data is disclosed. The device and method comprises a block dividing section for dividing each frame of the image data into a plurality of blocks; a block determining section for determining the types of divided blocks; and a compressing section for performing compression according to the types of divided blocks. The block types include motion blocks, static blocks and refresh blocks that avoid the accumulation of errors between frames.

The invention provides an aluminum or aluminum alloy conductor twisting and compressing process for cables. The aluminum or aluminum alloy conductor twisting and compressing process comprises the following steps of: twisting aluminum or aluminum alloy single wires along the traction direction of the aluminum or aluminum alloy single wires; and compressing the twisted aluminum or aluminum alloy single wires by a compression roller, wherein a layer of twisting layer is formed after the aluminum or aluminum alloy single wires are twisted once and compressed by means of the compression roller, the subsequent twisting layer is twisted on the basis of the fore twisting layer, and the twisting direction of the last twisting layer is the same as that of the second last twisting layer. According to the aluminum or aluminum alloy conductor twisting and compressing process, the twisting directions of the outermost two layers of twisting layers are the same, the compression roller is combined with a nano diamond composite coating compression die, the phenomena of surface burrs of compressed round aluminum conductors, more aluminum scraps and wire fracture are prevented, the influence of alcohol which is continuously dripped for lubricating and cooling on the residual water inside or on the surface of the conductors is eliminated, the volume resistivity of the twisted and compressed cables is reduced by 0.5 to 2.0 percent, the production cost is saved, and the social benefit is higher.

A device and method for compressing image data is disclosed. The device and method comprises a block dividing section for dividing each frame of the image data into a plurality of blocks; a block determining section for determining the types of divided blocks; and a compressing section for performing compression according to the types of divided blocks. The block types include motion blocks, static blocks and refresh blocks that avoid the accumulation of errors between frames.

The invention discloses an acid and alkali resistant hard aluminum type metal strand. The acid and alkali resistant hard aluminum type metal strand comprises a stressed unit positioned at the center, and a first aluminum alloy conducting layer and a second aluminum alloy conducting layer which are sequentially stranded on the outer surface of the stressed unit; a first trapezoidal aluminum conductor layer and a second trapezoidal aluminum conductor layer are sequentially stranded on the outer surface of the second aluminum alloy conducting layer; a polyester adhesive filling part is formed by mixing a first component and a second component according to the mass ratio of 1: (2-4); the first component comprises the following raw materials in parts by weight: N-307 unsaturated polyester, butyl acrylate, iso-octyl acrylate, normal butanol, methylbenzene, talcum powder, aluminum powder, calcium carbonate and triethylene tetramine. The aluminum twisted wire not only guarantees the round of a plurality of carbon fiber raw yarns in an aluminum layer, but also avoids the aluminum layer damage during subsequent use, thereby guaranteeing the reliability of electrical property, and the bending radius being reduced to 6 times the diameter of a cable.

The invention discloses an anti-sliding electric power overhead aluminum stranded wire. The anti-sliding electric power overhead aluminum stranded wire comprises a stress unit positioned in the center, and a first aluminum conductive layer, a second aluminum conductive layer and a third aluminum conductive layer which are stranded on the outer surface of the stress unit in sequence; a polyester adhesive filling part is prepared from a first component and a second component at a mass ratio of 1 to 2-4 through mixing; the first component comprises the following raw materials in parts by weight: N-307 unsaturated polyester, butyl acrylate, 2-ethylhexyl acrylate, n-butanol, methylbenzene, talcum powder, aluminum powder, calcium carbonate and triethylene tetramine; and the second component comprises the following components in parts by weight: acrylic acid, methyl methacrylate, ethylene glycol, toluene diisocyanate, dibutyltin dilaurate, benzoyl peroxide and phenyl salicylate. According to the anti-sliding electric power overhead aluminum stranded wire, the smooth and level property of the multiple carbon fiber protofilaments in the aluminum layer is ensured while damage of the aluminum layer in the subsequent use process is also avoided, thereby ensuring reliability of electrical performance.

The invention discloses a second type of circular compacted conductor structure, including: several conductors and monofilaments, the conductors are normally twisted and divided into several conductor layers, and the conductor layers and conductor layers are layered and compacted, and the monofilaments are arranged Between the conductor layers, when the total number of conductors is less than or equal to 19, all monofilaments are twisted in the same direction; when the total number of conductors is more than 19, the outermost monofilaments are twisted in reverse, and the inner monofilaments are twisted in the same direction. To twist. It solves the problem of increasing the filling factor of the conductor and improving the conductivity of the conductor. The flexibility is better than that of the traditional second-class round compact conductor. It has the characteristics of stable structure, simple processing and easy operation.

The invention relates to a hyperspectrum image real-time compression system based on the noise masking algorithm, which is composed of the host computer, the high speed image processor and the image collection apparatus. The image collection apparatus is connected to the slave processor via the CAB bus port and to the host computer via the PCI bus. The host computer is bi-directionally connected to the slave processor via the PCI bus. In addition, it is connected to the image display and the image data compression result memory respectively. Its characteristic lies in the following. First, the bi-directionally connected image noise masking compression block and the host connector is equipped on the slave processor to receive the command data from the host computer and to transmit the image real time compression result data to the host computer. Second, the host computer control block, the slave processor interface, the display block and the storage block are equipped on the host computer. The control block receives the original image data and the user command to generate the system data resource, and transmits the command to the slave processor and receives the image real time compression result data via the slave processor. The host computer control block transmits the original image data to the display block and the image real time compression result to the storage block to generate the compression file.

The invention particularly relates to an Al-Fe-Cu alloy material and a preparation method thereof. The Al-Fe-Cu alloy material comprises the following components in percentage by weight: 0.20-1.30 wt% of Fe, 0.01-0.08 wt% of Cu, 0.06-0.15 wt% of Si, 0.02-0.10 wt% of rare-earth element and the balance of Al and unavoidable impurities. The aluminum alloy is prepared by casting and semi-annealing raw materials. When the aluminum alloy is prepared, the alloy material is semi-annealed, and thus, the adverse effects of stress on a conductor structure in the process of drawing and twisting are reduced, the electric conductivity reaches and even exceeds 61% of IACS (International Annealed Copper Standard) (the electric conductivity standard of an aluminum conductor for a general electrician is 61% of IACS), and the performances of elongation and the flexibility of the aluminum alloy are improved greatly by annealing. The performances of the elongation of a cable made of the aluminum alloy wire can reach 30%, the flexibility is 25% higher than that of a copper cable, and the resistivity maintains in a lower level.