47results about How to "Increase winding length" patented technology

In a multi-phase power converter, efficiency is increased and ripple reduced while maintaining transient response and dynamic performance improved by electrically coupling secondary windings of transformers or provided for inductors of respective phases such that current to a load is induced in each phase by current in another phase. Magnetic coupling can also be provided between phases using a multi-aperture core of a configuration which minimizes primary winding length and copper losses. Efficiency at light load is enhanced by controlling current in the series connection of secondary windings in either binary or analog fashion.

A single stator electric machine includes a plurality of magnets for generating a first magnetic field. Each respective magnet represents a respective rotor pole. A magnet holder retains the plurality of magnets. A stator is disposed radially outward from the plurality of magnets for generating a second magnetic field. The stator includes a plurality of stator poles separated by slots with each of the stator poles having a concentrated winding with a respective number of turns formed around each respective stator pole. Each respective concentrated winding within the stator comprises non-overlapping phases which increase an active length of the windings of the stator and reduce an overhang of each respective winding with respect to each stator pole for improving torque efficiency. A number of rotor poles is at least eight and the number of rotor poles and a number of stator slots have a least common multiple of at least 36.

The invention provides a gold bonding wire. The gold bonding wire comprises the following materials in percentage by weight: 0.0005 to 0.001 percent of beryllium, 0.0008 to 0.002 percent of copper or germanium, 0.001 to 0.003 percent of cerium and the balance of gold, wherein the purity of the gold is more than or equal to 99.996 weight percent. The invention also provides a preparation method ofthe gold bonding wire. The preparation method comprises the following steps of: electrorefining high-purity gold with purity of 99.999 weight percent by using gold with purity of 99.99 weight percent; smelting the high-purity gold; performing ingot casting to form a gold plate; rolling the gold plate to be a thin gold sheet; manufacturing an intermediate alloy; performing vertical smelting; drawing the wire; annealing; winding; and performing vacuum packaging. The gold bonding wire has the characteristics of high strength and low long radian, the yield of products is high, and the winding length of a reeling shaft is large.

The invention discloses a method and equipment for increasing the winding length of casings, belonging to the technical field of casings, which includes a frame on which a winding shaft is installed, and the winding shaft is connected to a first power rotating device, and is characterized in that: The frame is provided with a support that can translate along the axial direction of the winding shaft, and the support is provided with a transmission roller and a steering roller positioned at the rear of the transmission roller. The steering roller changes the transmission direction of the transmission roller, and the direction of the roller shaft of the steering roller Consistent with the winding shaft. The equipment relies on the friction of the roller body to drive the casing to reciprocate and translate along the axial direction of the winding shaft, so that the casing is wound on the winding wheel installed on the winding shaft according to a certain pitch, and can be reliably turned around at both ends of the winding wheel , and wound into a flat casing roll with evenly distributed casing layers, so that the casing can be wound in a flat manner, which not only makes full use of the winding space of the winding wheel, increases the winding length, but also facilitates the casing parts to be swayed in the casing roller. Uniform force to avoid deformation.

The invention discloses a wiring mechanism, a wire winding method and a wire treatment device and method. The wiring mechanism comprises at least two rotating wheels which are arranged in a non-coaxial manner, at least one rotating wheel is provided with at least two limiting channels, and any limiting channel is provided with a limiting space for containing and limiting a wire component; and thelimiting channels are arranged on the outer wheel surface in a closed ring shape. According to the wiring device with the above structure, the wire treatment efficiency is improved, the equipment space is reduced, and the cost is saved.

A three-dimensional wind-light congregating power generating system with spherical joints includes a spherical joint wind-light congregating device (10), a spherical joint wind-light trapping device (20), both of which are assembled through spherical joints, and a vertical axis wind generator (30), wherein the profile of the spherical joint wind-light congregating device (10) is the shape of rectangular paralleling and comprises four wind lateral guiding boards (15) equally spaced around a center, a gradually narrowing wind inlet passage (150) is formed between adjacent wind lateral guiding boards (15), and the wind inlets of the wind inlet passages (150) are located respectively at the four sides of the spherical joint wind-light congregating device (10); the spherical joint wind-light trapping device (20) comprises wind-light trapping rods (22) and wind-light trapping films (21) for absorbing solar energy; the vertical axis wind generator (30) is mounted in the center of the spherical joint wind-light congregating device (10). The present power generating system applies an assembled structure with spherical joints, the components of the system can be produced in standardization and be assembled together by simple tools, and a plurality of miniwatt power generating systems can be assembled to a high power generating system; the power generating system can generate electricity efficiently all day even in the condition of gentle breeze and weak light.

The continuous tubular multi-layer winding apparatus is one kind of super-deep drilling apparatus for underground mineral exploitation, geological exploration, oil and gas exploitation, etc. The available single-layer winding apparatus limits the super-deep drilling construction. The continuous steel tube multi-layer winding apparatus consists of winding roller, frame, driving mechanism and power transmission gear, gear rack, etc. and is matched with steel tube driving apparatus to realize continuous steel tube multi-layer winding. The present invention makes it possible to increase greatly the continuous steel tube winding length without increasing the roller width.

The invention discloses a gold bonding wire which comprises the following components in percentage by weight: 0.0003-0.0008 percent of calcium, 0.002-0.004 percent of copper, 0.0005-0.0015 percent of germanium and the balance of gold, wherein the purity of the gold is larger than or equal to 99.99 weight percent. The invention also discloses a preparation method of the gold bonding wire. The method mainly comprises the following step of after a wire drawing step and before an annealing step: loading a gold wire obtained after wire drawing into a high-pressure water washing system for washing,wherein the water pressure of the washing system is 2-4kg, i.e. 0.2-0.4MPa, and the water temperature is 40-60 DEG C. The gold bonding wire has the advantages of high strength and low and long arc and can meet the high requirement on gold bonding wires of the semiconductor industry; and moreover, in the preparation process, lubricating agents on the surfaces of the gold bonding wires can be effectively washed, therefore, the use effect of a final product is guaranteed.