38results about How to "Improve Fusion Performance" patented technology

This invention relates to a merge method for multiple sensor images based on an optimum small wave filter set, which applies small waves to carry out multi-dimension dissolution to the being merged images to get a series of HF components and a lowest frequency component, then applies a character pick up method based on the visual property to the HF part for merging and applies the weighted average method to merge the low frequency part to get the merged image by small wave inverse transformation to the merged results, finally applies the smallest mean-root-square error to evaluate the merged images and carries out optimized search to small coefficient taking the pass-band energy and the non-pass band energy of the small filter coefficient so as to get the optimum design of the small filter set.

In continuous printing operation which repeatedly sets a state in which when a preceding printing material passes through the nip area of a thermal fixing unit, a succeeding printing material has been supplied to an image forming unit and image forming operation has been started, a first temperature indicating an ambient temperature near the thermal fixing unit is measured at an early time point in the continuous printing operation. A second temperature indicating the temperature of the printing material which has passed through the press contact nip portion at a predetermined period of time during the continuous printing operation is measured. The amount of heat to be supplied to the succeeding printing material is controlled on the basis of the measured first and second temperatures.

This invention provides a temperature fuse with resistor substrate and a secondary protection circuit, film electrodes on two sides and a middle film electrode are disposed on surface of the substrate, aforementioned electrodes are widely disposed, and the fuse element, fuse element part (m) between film electrode (a) and the middle film electrode, fuse element part (m) between film electrode (b) and the middle film electrode are also disposed thereon, film resistors leading the fuse elements to blow out via conduction heat are disposed on other surface of the substrate, so that each fuse element can blow out in optimization reliably and partly relative to another fuse element. Thus, distance between fuse element (m) and the film resistor (r) is different from distance of film resistor (r) of the fuse element part (m).

The invention relates to an alloy type thermal link with breaking current resistance. The alloy type thermal link belongs to the technical field of manufacture of a fuse thermal link for electrical equipment. The alloy type thermal link comprises a housing, a lead wire, a thermal component, a cosolvent and an epoxy resin adhesive. Two sides of the bottom of the housing are respectively provided with a U-shaped positioning trough. Leads are inserted into the two U-shaped positioning troughs. One end of each of the two leads is welded with and is connected with the thermal component in an overlapping manner. Cosolvent is filled at the periphery of the thermal component. The height of a space between the thermal component and the bottom in the housing is 0.6mm-1.0mm. The other end of each of the two leads is exposed from the upper opening of the housing. The epoxy resin adhesive is filled at the periphery of the lead at the opening of the housing. The epoxy resin adhesive with a filler which has advantages of improving compactness, adjusting thermal expansion coefficient and improving high temperature resistance is added, thereby preventing corrosion of the thermal component by oxygen in the air. The self gravity function of the thermal component is used for improving breaking current resistance of the alloy type thermal link. The alloy type thermal link has advantages of high fusion performance, high product quality, simple structure, safe and convenient manufacture, and safe and convenient use.

The invention provides a lubricant which is used in the protection of the production of solid-core welding wires by using non-copper-plating carbon dioxide gas and a production technology of the welding wires. The lubricant is formed by mixing graphite and ferrous oxalate. The production technology of the welding wires comprises: steel wires with the diameter of Phi 5.5mm for welding are firstly drawn to the semi-finished welding wires with the diameter of Phi 1.865mm; the semi-finished welding wires with the diameter of Phi 1.865mm are drawn to the finished welding wires; the production technology is characterized in that: the lubricant which is formed by mixing the graphite and the ferrous oxalate is added in a mould box of the final two or three-channel mould during the drawing process into the finished welding wires; or the mixture of water-soluble dry wire drawing lubricant and triethanolamine stearate is added in the mould box of the former one or two-channel mould before adding the lubricant. When in welding of the non-copper-plating welding wires which are manufactured by the technology, the spatter is less and the metal coating performance is good. The rust-proof period of the welding wires which are packaged by thermoplastic thin films can reach more than three years.

The invention relates to a miniature surface-adhered type fuse comprising an insulation base plate, an electrode part, a metal fusant part and a protection layer covered on the base plate and the fusant among the electrodes. The miniature surface-adhered type fuse is characterized in that the fusant is formed by a metal film, a first metal layer and a second metal layer together, and the three metal layers are respectively formed by a silk-screen printing method and an electroplating method. Because the final shape of the fusant of the fuse is determined before the fusant of the fuse is formed, re-shaping is not needed before one metal layer is formed every time, and the production technology is simplified.

The invention discloses a miniature fuse, which consists of two wiring terminals, a substrate, a melt and an arc-extinguishing glass layer, wherein the melt is positioned on the surface of a ceramic sheet; the two wiring terminals are respectively electrically connected with the two ends of the melt; the arc-extinguishing glass layer, which covers the surface of the melt, is an arc-extinguishing glass sheet which consists of borosilicate lead glass; a plurality of micro-nano holes are formed on the surface of the arc-extinguishing glass sheet, which is contact with the melt; the melt is formed by electric conductive paste containing spherical or approximately-spherical metal particles through screen printing; the metal particles are 80 to 100 nm in diameter; hollow areas are arranged in the central areas in the metal particles; the micro-nano holes are 20 to 500 nm in diameter; the intervals between adjacent micro-nano holes are one to five times of the hole diameters of the micro-nano holes; and the hole depths of the micro-nano holes are one to 10 times of the hole diameters. The miniature fuse disclosed by the invention can effectively avoid the phenomenon of arc discharge and provides high insulation impedance.

The invention discloses a device for utilizing an electric heating tantalum expansion-prevention pin for sintering a fluorine plastic pipe heat exchanger pipe plate. The device comprises a circuit board device, cables, metal pressing plates, locking devices, movable chopping boards, fluorine plastic pipe bundles, electric heating tantalum pipes and the fluorine plastic pipe plate. The pair of metal pressing plates are connected with the pair of movable chopping boards below the metal pressing plates through the locking devices respectively, and the two ends of the fluorine plastic pipe plate are fixedly arranged between the metal pressing plates and the movable chopping boards; the fluorine plastic pipe plate is locked by the locking devices connected to the metal pressing plates and the movable chopping boards; the electric heating tantalum pipes are inserted into the fluorine plastic pipe bundles, and the fluorine plastic pipe bundles are inserted into fixed holes in the fluorine plastic pipe plate to be fixed; and each electric heating tantalum pipe comprises a cable, a tantalum cover, an expansion-prevention tantalum pipe, magnesium powder and an electric heating wire. The technical aims that tantalum pipe heat sintering and the expansion-prevention pin can be multiply utilized, a traditional PTFE heat exchanger pipe plate sintering complex technology process is simplified, and the sintering efficiency is improved are achieved.

The invention discloses a surface-mounted fuse based on a low-temperature co-fired ceramic technology and a preparation method thereof. The preparation method comprises the following steps of sequentially preparing low-temperature co-fired ceramic powder, an organic carrier, low-temperature co-fired ceramic slurry, fuse electrode slurry, terminal electrode slurry, a positive electrode layer and aback electrode layer, then sequentially printing the low-temperature co-fired ceramic slurry, the fuse electrode slurry and the terminal electrode slurry on a ceramic substrate, and then co-firing each printing slurry layer to obtain a surface-mounted fuse semi-finished product, then, manufacturing a glass protection layer and identification characters on the surface-mounted fuse semi-finished product, and finally, acquiring a surface-mounted fuse finished product through a post-processing procedure. According to the preparation method, a low-temperature co-fired ceramic technology is utilized, so that the problems of diffusion and uneven surface during printing of the fuse electrode slurry are solved, and the pattern of the fuse is more complete, clearer and higher in controllability; thefusing process of the prepared surface-mounted fuse is rapid, and the phenomenon of arc discharge is avoided.

The invention discloses a fuse for an electrical machine. The fuse comprises a left end cover, a right end cover, a shell and a fusion tube. The left end cover is mounted on the left side of the shell. The right end cover is mounted on the right side of the shell. A screw is arranged on the left end cover, the shell and the right end cover and penetrates through the left end cover, the shell and the right end cover in sequence. A cavity is formed among the left end cover, the shell and the right end cover. The fusion tube is mounted in the cavity. A fuse body is arranged in the fusion tube. The left end cover and the right end cover are both provided with binding posts. Each binding post is provided with ceramic insulation and cooling fins. The binding posts are both connected with the fusion tube. The left end cover and the right end cover are both provided with vent holes. Ceramic cooling sticks penetrating through the fusion tube are arranged in the vent holes. The left end cover, the shell and the right end cover are matched and fixed through the screw and a nut in sequence.

The invention relates to the technical field of welding, in particular to a welding process method for dissimilar metal parts. The method is used for welding a stainless steel workpiece and an aluminum alloy workpiece or welding a low-carbon steel workpiece and the aluminum alloy workpiece and comprises the following steps that a transition layer is surfaced in a base metal welding area of a stainless steel base layer through a first welding wire, and electric arcs deflect to the welding wire during welding; a second welding wire is used for fusion welding between the surfacing transition layer and the aluminum alloy base metal, and electric arcs deflect to an aluminum alloy layer during welding; and after welding is completed, a weldment is placed in a heat preservation furnace for heat preservation, and furnace cooling is conducted after heat preservation is conducted for preset time. According to the welding process method for the dissimilar metal parts, due to the fact that the transition layer is welded to the base metal welding area of the stainless steel base layer in the welding process and then welded to the aluminum alloy base metal through the transition layer, the melting point of the transition layer and the melting point of the aluminum alloy parent metal can be kept within the same range, the welding seam components are uniform after welding, and the welding seamcannot be seriously deformed.

The invention discloses a method for correcting an electronically programmable fuse wire device, which is suitable for an electronically programmable fuse wire device. The electronically programmable fuse wire device comprises two polysilicon electrodes and an electronically programmable fuse wire connected between the electrodes, wherein the electrodes and the electronically programmable fuse wire are positioned on a substrate; sub-resolution additional patterns are added at both sides of the electronically programmable fuse wire; and the sub-resolution additional patterns are used for changing the characteristic dimension of the electronically programmable fuse wire. The invention has the following beneficial effects: by adding the sub-resolution additional patterns, different characteristic dimensions can be formed in the polysilicon fuse wire, so that different current densities can be formed, and the electric migration phenomenon of the electronically programmable fuse wire can be enhanced, thereby enhancing the fusing performance of the electronically programmable fuse wire device.

The invention relates to a nanometer heat insulation PVB intermediate film for laminated glass and a preparation method thereof. The nanometer heat insulation PVB intermediate film comprises a modified PVB base film and a heat insulation coating at least compounded on the surface of one side of the modified PVB base film; wherein the modified PVB base film comprises the following raw materials inparts by mass: 200-260 parts of high-viscosity PVB resin, 3-8 parts of silicon dioxide nanoparticles, 4-18 parts of zirconium dioxide nanoparticles, 2-6 parts of nano zinc oxide powder, 20-40 parts ofa plasticizer, 2-8 parts of a film-forming chain extender and 1-5 parts of an antioxidant. The nanometer heat insulation PVB intermediate film prepared by the method has good heat insulation performance and sound insulation performance, the heat conductivity coefficient can be controlled below 0.8 W/(m*K), meanwhile, compared with a traditional PVB intermediate film, the hardness and toughness are improved, and the nanometer heat insulation PVB intermediate film has good light transmittance, good heat stability, excellent oxidation resistance and excellent yellowing resistance.

The invention provides an automatic fusing system for the side of a fishing net. The automatic fusing system comprises a rack, a conveyor belt is arranged at one end of the rack, supports are arrangedon the two sides of the other end of the rack, a fixed plate is arranged at the tops of the supports, a lifting air cylinder is installed on the fixed plate, a piston rod of the lifting air cylinderis downward and is connected with the fixing plate, two parallel adjusting shafts are installed on the fixed plate, two tool adjusting plates are movably installed on each adjusting shaft, a fusing blade is installed at the bottoms of the tool adjusting plates, a positioning tool apron is arranged on the part, below the fusing blade, of the rack, one side of the installed positioning tool apron isflush with the bearing face of the conveyor belt, and a net grasping assembly is arranged on the part, on the other side of the positioning tool apron, of the rack. By the adoption of the scheme, theautomatic fusing system is reasonable in structure, convenient to operate and good in fusing effect.

The invention belongs to the technical field of steel wire rope processing, and particularly relates to a fusing machine for steel wire rope production and processing. The fusing machine for steel wire rope production and processing comprises a processing table and a fusing machine body; mounting plates are fixedly connected to the outer wall of the top of the processing table at equal intervals; one annular frame is fixedly connected to the outer walls of the opposite sides of every two adjacent mounting plates; a cooling cylinder is fixedly connected to the outer wall of the annular frame; and a sliding groove is formed in the outer wall, located at the upper part, of the cooling cylinder. According to the fusing machine for steel wire rope production and processing, through the arrangement of a preheating box, an electromagnetic heater, an arc-shaped limiting plate and a heat conduction rod, before entering the fusing machine, the steel wire rope firstly penetrates through thep reheating box; the electromagnetic heater is started; the heat conduction rod transmits heat to the arc-shaped limiting plate; an inner abutting heat conduction frame in the arc-shaped limiting plate transmits the heat to the steel wire rope to perform preliminary preheating treatment on the steel wire rope; and therefore, it is guaranteed that the whole steel wire rope is in an easily-cut-off state when the steel wire rope is cut off in the fusing machine, and the fusing effect of a fusing point is improved.

The present invention obtains a polyethylene resin composition which, when processed into a separator for a battery, has excellent strength and fusing performance, can shorten the time from the beginning of fusing to the end of fusing, and has little film defects and film thickness unevenness. The polyethylene resin composition has Mw of 100,000 or more to 1000,000 or less and Mw/Mn of 2 or more to 18 or less. For a solution where an extracted component is obtained by carrying out temperature-rise dissociation fractionation on the polyethylene resin composition in accordance with prescribed conditions 'temperature-rise dissociation fractionation conditions for polyethylene resin compositions' and orthodichlorobenzene is used as a solvent, when cross-fractionation chromatography is performed in accordance with prescribed conditions 'CFC measurement condition for extraction component', the cumulative elution amount at 40 DEG C or more and less than 90 DEG C is 10 mass% or more and less than 70 mass% of the total elution amount, and the cumulative elution amount at 90 DEG C or more and 95 DEG C or less is 10 mass% or more of the total elution amount. And the temperature at which the maximum elution amount is reached is 88 or more or 100 DEG C or less.