1204results about How to "Easy winding" patented technology

The invention provides a battery, comprising a cover plate, a shell, a battery cell and electrolyte. The battery cell and the electrolyte are sealed in the shell of the battery, and the cover plate is hermetically connected with the shell. The battery cell comprises a positive polar plate, a negative polar plate and a diaphragm arranged between the positive polar plate and the negative polar plate. A positive polar lug is arranged on the positive polar plate, and a negative polar lug is arranged on the negative polar plate. The battery cell is further internally provided with a positive polar current and heat conducting member and a negative polar current and heat conducting member, and the positive polar current and heat conducting member and the negative polar current and heat conducting member are mutually insulated. The positive polar current and heat conducting member and the positive polar lug are conducted; the negative polar current and heat conducting member and the negative polar lug are conducted; the positive polar current and heat conducting member and / or the negative polar current and heat conducting member penetrate(s) through the cover plate to leading out current. According to the invention, the internal heat of the battery cell can be reduced rapidly, substances on the polar plates can be prevented from further thermal reaction, and thus, the safety performance of the battery is increased. Meanwhile, the stability of the internal temperature of the battery cell is guaranteed, the cyclic performance and the like of the battery are improved. In addition, the temperature at all parts in the battery cell can be ensured to be consistent so as to eliminate temperature differences and make the reaction temperature of all parts of the polar plates consistent. Meanwhile, the current and heat conducting members can play roles of backbone and support to support the battery cell, and is beneficial to not only assembly but also winding of the battery cell.

Disclosed is a wind power generating apparatus in which windmill blades are mounted in a multi-stage fashion to a rotating shaft while being spaced apart from one another to efficiently generate wind power. Each windmill blade includes blade bodies mounted to the rotating shaft, and provided with wind pressure adjusting holes, wind pressure adjusting plates coupled to each blade body, and connected together to a wire, each wind pressure adjusting plate being slidable along guides respectively arranged at opposite sides of the associated wind pressure adjusting hole to adjust an opening degree of the wind pressure adjusting hole, elastic members each adapted to connect one end of the associated wire to the associated blade body, and winches each adapted to connect the other end of the associated blade body, the winches being mounted to a single shaft to simultaneously wind or unwind all wire.

The present invention relates to method for operating a power plant, with at least one wind turbine generator arranged for supplying power to an electrical grid, at least one energy storage device arranged for supplying power to the electrical grid, and a power plant controller, the method comprises, measuring repetitively measurement sets of at least one electrical parameter from the electrical grid, and calculating, in respect the measurement sets of the at least one electrical parameter, a change in active and / or a required change in reactive power at a point of common coupling, and calculating and dispatching of a first control reference signal to the at least one wind turbine generator and a second control reference signal to the at least one energy storage device, for providing ancillary service functionalities to the electrical grid. The invention also relates to a power plant with at least one wind turbine generator for supplying power to an electrical grid, at least one energy storage device for supplying power to the electrical grid, and a power plant controller for providing ancillary service functionalities to the electrical grid.

A CHP optimal dispatching model is a mixed integer programming model and is used for a district heating system (DHS) comprising a heat source, a heating network and a heat load, and the heating network comprises a heat transmission network and a heat distribution network. A plurality of heating areas is divided, and one day is divided into a plurality of time periods; the heat transmission loss of the heat distribution network is omitted, and a heat transmission network model taking transmission time delay of the heating network into consideration is established according to the heat transmission network; a terminal heat consumer model capable of reflecting indoor temperature is established; and a combined optimal dispatching model comprising conventional generators, wind power units, CHP units, electric boilers and heat storage tanks is established.

In a state in which a first divisional core and a second divisional core are arranged in a state spaced from each other and adjacent to each other, a first coil and a second coil are each wound around a tooth. The first coil and the second coil are in the same phase. In a state in which a plurality of divisional cores are arranged annularly so that their teeth are oriented in a radially inward direction, the first divisional core and the second divisional core are not adjacent to each other in the circumferential direction. A plurality of connection wires are shaped to converge at an end surface of a stator core. This facilitates the winding of the coils around the divisional cores. Further, the connection wires can be shortened.

A wind-power unit has a wind turbine has an electric generator connected to the wind turbine. The stator of the generator has a winding formed of a high-voltage cable having a core of conducting material, a first layer of semiconducting material surrounding the core, an insulating layer of solid material surrounding the first layer, and a second layer of semiconducting material surrounding th solid insulation. The wind turbine has a plurality of turbine blades running vertically and being connected to a turbine shaft. The generator is arranged at the lower end of the turbine shaft. A wind-power plant; the use of a wind-power unit; and a method of generating electric power are described.

A filter module is formed of wound filter material having openings wherein the boundary surfaces of the openings constitute flow-through surfaces. The openings of the wound layers of the filter material form channels angled relative to the winding axis, wherein one group thereof opens at the outer peripheral surface of the roll and the other group opens at the inner peripheral surface of the roll and wherein the channels on the other end, respectively, are closed and wherein the channels, angled relative to the winding axis, are separated from one another by filter material, and wherein the inner area of the roll has a central channel arranged around a winding axis.

The invention discloses a magneto-rheological damper of an automobile engine suspension system, comprising a main rubber spring, a throttling disk, a magnetic core assembly and a decoupling film, wherein the damper is used for regulating the magnetic induction intensity at a magneto-rheological liquid channel in the magnetic core assembly through controlling the excitation current of an electromagnetic coil and then regulating the viscosity of magneto-rheological liquid at the magneto-rheological liquid channel to achieve the optimal damping effect. When the magneto-rheological damper is used, the turbulence level of the magneto-rheological liquid in a liquid feeding chamber can be increased through the throttling disk, the high-frequency dynamic hardening of the damper can be effectively inhibited, and the effectively damping frequency range can be widened. The damper has a more ideal dynamic characteristic and meets the use requirement for damping the automobile engine suspension system with high rotating speed; in addition, the damping capacity, the work stability and the convenience in assembly of the damper are improved through improving a floating decoupling film type decoupler, a sealing structure of the magnetic core assembly, a liquid injection hole structure and the like.

The Geothermal Wind System is a hybrid power production system using geothermal transfer of heat between native rock and an air mass circulating between two or more portals of substantially different vertical elevations by use of the stack effect and the buoyancy of heated air or gravity pulling cooled air to turn one or more wind turbines which drive one or more generators. This wind speed can be improved by use of a venturi valve in close proximity to the turbine(s). A novel example of an aerodynamic, adjustable radial venturi is also herein incorporated. Two modes of the GWS are herein described, one used at shallow depths having geothermal temperatures approximating the average exterior climate, and the second used with geothermal temperatures found at greater depths at substantially higher than outside temperatures. The GWS is a non-polluting, non-carbon burning, non-water-dependent power production system easily implemented in third world countries.

The invention discloses a polyurethane fiber dry spinning oil agent, which comprises 30 to 80 weight percent of dimethyl silicon oil, 10 to 50 weight percent of mineral oil, 1 to 7.5 weight percent of high-carbon isomeric fatty alcohol or acid, 1 to 5 weight percent of dispersed component, 0.1 to 1.5 weight percent of stearate and 2 to 20 weight percent of antistatic component. The dispersed component is a mixture of an organic silicon surfactant and acrylic acid-maleic acid copolymer, and the weight ratio of the organic silicon surfactant to the crylic acid-maleic acid copolymer is 1:0.5-2; and the antistatic component is a mixture of polyether silicon oil and nonionic isomeric alcohol polyethenoxy ether, and the weight ratio of the polyether silicon oil to the nonionic isomeric alcohol polyethenoxy ether is 1:0.5-2. The polyurethane fiber dry spinning oil agent has excellent smoothness, softness, antistatic property, stable performance and excellent anti-adherent performance; polyurethane fiber treated by the oil agent has good unreeling property and forming property; and in the subsequent processing flow, polyurethane filaments are easy to unreel, not drop edge and has few broken filaments.

A wind-power unit has a wind turbine has an electric generator connected to the wind turbine. The stator of the generator has a winding formed of a high-voltage cable having a core of conducting material, a first layer of semiconducting material surrounding the core, an insulating layer of solid material surrounding the first layer, and a second layer of semiconducting material surrounding th solid insulation. The wind turbine has a plurality of turbine blades running vertically and being connected to a turbine shaft. The generator is arranged at the lower end of the turbine shaft. A wind-power plant; the use of a wind-power unit; and a method of generating electric power are described.

The invention discloses an anti-twisting type sectional warping machine. The anti-twisting type sectional warping machine comprises a bobbin creel, a yarn fixing rack, a yarn distributing device and a drum, wherein the bobbin creel comprises a rack, yarn guiders, a flexible cover and yarn cone shafts; yarn cones are placed on the yarn cone shafts; the yarn cone shafts are fixed on the rack; each yarn cone shaft is provided with the corresponding yarn guider; and the flexible cover is fixed on the rack and covers the yarn cones. The anti-twisting type sectional warping machine is simple in structure; the circumstance that warp yarns are twisted together and are knotted in a warping process is avoided effectively; and the warping efficiency is improved.

A unipolar electrosurgical electrode or probe that is configured for use in MIS electrosurgical procedures. The electrosurgical electrode comprises a long, thin, flexible, insulated wire configured to cooperate with the small cannula of a mini-endoscope to reach interior tissue not normally reachable by electrosurgical electrodes. When energized, a unipolar discharge is generated at the working end of the electrode. The probe can be used for spinal and endonasal procedures.

The invention discloses a drum motor stator structure. The drum motor stator structure comprises a stator core, end insulation, stator slot paper and stator coil windings, wherein the stator slot paper is arranged in a stator slot of the stator core; the end insulation is arranged on the two end surfaces of the stator core; the stator coil windings are wound on the end insulation; a drum shell is arranged on the outer edge of the stator core; the stator core adopts a stripped stator core; the stripped stator core is bent to be annular and is arranged in the drum shell; and the outer wall of the annular stripped stator core and the inner wall of the drum shell are in interference fit. In the drum motor stator structure, the stripped stator core structure is adopted; and in the state of naturally unfolding the stripped stator core structure, the volumes of the coil windings in the stator slot are increased, the slot fullness rate is improved, the work efficiency of the motor is greatly improved, and the motor performance is very high.

The invention discloses a method for preparing a fiber base material and silicon dioxide aerogel composite heat insulating sleeve, and belongs to the technical field of materials. The method comprises the following steps: preparing wet gel from polyethoxydisiloxanes, water, a solvent and a catalysts serving as raw materials; and pouring the wet gel into a sleeve die in which a fiber base materialis laid evenly in advance, ageing, putting into an autoclave for drying heat treatment, and reducing temperature and releasing pressure to obtain the fiber base material and silicon dioxide aerogel composite heat insulating sleeve. The method has the advantages of reasonable design and simple operation; the obtained composite heat insulating sleeve has the advantages that: 1, the minimum thickness of the wall of the sleeve is only 0.5mm, the pressive strength can reach over 1MPa, and special dimensions or other special products can be manufactured by a similar process; 2, the minimum density can reach 100kg / m3, and the minimum heat conductivity is only 0.015w / m.k; and 3, the sleeve can resist maximum temperature of 800 DEG C. The sleeve is particularly suitable for the field of aviation with special requirements on heat insulating properties.

An endless flexible belt track produced from an elastomer comprises a steel cable (30) spirally wound in the thickness of the belt (12) and outer layers embedded in the thickness of the belt and formed successively from the turns (34) of the cable toward the outside, by: a first oblique layer (36) formed from wires that in turn form a first acute angle (A) to a perpendicular to the turns of the cable; a transversal layer (38) formed from wires that in turn form a right angle to the turns of the cable; and a second oblique layer (40) formed from wires that in turn form a second acute angle (B) to a perpendicular to the turns of the cable, the second acute angle (B) extending in the opposite direction to the first acute angle (A). Application to all-terrain vehicles.

The invention discloses a low temperature-resistant flexible crosslinkable halogen-free flame retardant cable material. The low temperature-resistant flexible crosslinkable halogen-free flame retardant cable material is obtained through mixing 60-80 parts of an ethylene-vinyl acetate copolymer, 10-40 parts of polyethylene, 0-30 parts of ternary ethylene propylene rubber, 2-10 parts of a resin compatilizer, 35-65 parts of a halogen-free expanded flame retardant and 0.5-2 parts of a crosslinking agent, wherein at least one charring agent component in the halogen-free expanded flame retardant has a melting point of 155DEG C or less and an initial pyrolysis temperature of 245DEG C or less. The invention also discloses a preparation method of the cable material. The processing temperature of the introduced low-melting-point high-initial-pyrolysis-temperature charring agent component has a wide window and is matched with the processing temperature of a cable material matrix resin, so the charring agent component can be fused and well dispersed in the processing process, thereby the flame retardation efficiency is improved, the influences on the mechanical performances of the matrix resin are reduced, and the cable material has an excellent flame retardation performance and excellent mechanical performances. The preparation method has the advantages of simplicity, convenient operation, easy control and easy industrial production.

The invention discloses an aluminum blade of a fan rotor for a mine and a highway tunnel, and the blade is made from an aluminum material and is manufactured by a precision forging technology. The manufacturing steps comprise: (1) manufacturing a set of forging mold according to the physical dimension and the profile shape of the blade, wherein the mold comprises a hammer forging die and a trimming die; (2) heating a forged aluminum bar stock, and forging a blank the shape of which is similar to that of the blade by adopting a free forging technology; (3) heating the blank, and placing the blank in the hammer forging die to perform hammer forging forming; (4) cutting burr by the trimming die; (5) polishing trimmed burr by an angle grinder; (6) checking the transmittance of a blade basin and a blade back of the blade body, taking the blade basin and the blade back with the transmittance less than or equal to 1.5mm into the next working procedure, or else returning for reforging; (7) carrying out heat treatment and quenching; (8) carrying out cold straightening; and (9) carrying out artificial treatment. The density and strength of the blade manufactured by the material and method is greater than that of the aluminum blade, by adopting the blade with the same specification, the rotation speed and the flow rate of the fan can be improved, the performance of the fan is strengthened, and the cost is reduced.

The invention discloses an electric wire and cable winding and unwinding device which comprises a left bottom plate and a right bottom plate, wherein mounting bases are arranged on both of the left bottom plate and the right bottom plate; servo motors are mounted on both of the mounting bases; further, two servo motors are the same in heights but opposite in directions; screw rods are transversely arranged; the electric wire and cable winding and unwinding device also comprises a cable winding and unwinding rack used and matched with side servo motors on a left and a right; the cable winding and unwinding rack comprises a left side plate, a right side plate, and frames which are mounted on an outer side of the left side plate and an outer side of the right side plate. In the electric wire and cable winding and unwinding device, two spools are adopted to hold and wind an electric wire and a cable; the cable is wound on the spools, so that the cable can be held and wound; a certain space exists between the two spools; moreover, two ends of each of the two spools are mounted on loop bars through sleeves; the space between the two spools can be regulated through regulating the positions of the sleeves; after the space is increased, the length of the cable wound on the spools can be increased after the spools are rotated for one revolution each time; the winding efficiency of the cable is improved.

A multi-layer coil is wound around a bobbin having a center pillar and a small and a large flanges connected to longitudinal ends of the center pillar. A winding space having a trapezoidal cross-section in a plane cut through the center axis of the bobbin is formed outside the center pillar between both flanges. To wind the multi-layer coil in this winding space, a turning position where a layer of the coil moves up to a higher layer is set by a position setter, and the turning position is automatically shifted layer by layer to form a sloped outer surface of the coil. The coil is wound in a shape fitting the trapezoidal winding space without reducing the winding speed. The space factor of the coil in the winding space is improved, making the coil compact in size.

A hose reel includes various improvements including features to enable improved stacking of hose reels, an improved locking mechanism to allow the hose reel to be selectively locked in open and / or closed positions, an improved handle to facilitate winding of the hose on the hose reel and prevent tangling, and an improved water supply.

A stator for an electric motor has a laminated stator core 10 formed from a plurality of stacked laminations, and a stator winding formed from a plurality of coils 20 wound on bobbins 30. The stator core 10 has a plurality of teeth 40 which extend radially and alternately spaced between and connected to circumferentially extending yokes 50. The yokes and the teeth are separately formed with each yoke 50 being a stack of yoke laminations 12 and each tooth 40 being a stack of tooth laminations 14. The teeth 40 are inserted through the bobbins 30 and arranged in a cylindrical form with each tooth 40 extending radially. Yokes 50 are then fixed between radially outer ends 144 of adjacent teeth to complete the radially outer portion of the stator core. Each tooth 40 has a radial location surface 144b which contacts an inner surface of the adjacent yokes 50. The yokes 50 and teeth 40 are fixed together by welding the yokes 50 to the outer ends 144 of the teeth 40.

A magneto-rheological damper comprises a cylinder barrel, a left end cap, a piston rod, a piston, a right end cap, a connecting barrel, a winding barrel, a coil, an external guide magnet and a cap nut. The magneto-rheological damper has the advantages that the coil slides on the cylinder barrel in the direction identical with motion direction of the piston rod, so that a magnetic core on the piston and the external guide magnet are always guaranteed to form a closed magnetic loop, flow guiding can be functioned by an axial central hole and a radial hole in the piston, and magneto-rheological fluid viscosity can be changed by changing the size of the holes during working of the damper, and further, high-viscosity damping force can be generated. The coil is arranged outside the cylinder barrel, convenient for winding, convenient to maintain and check and good in sealing performance. By directly inflating the damper, extra purchasing an energy storage device is omitted, and the magneto-rheological damper has high applicability. Since the magneto-rheological damper is good in damping property, the magneto-rheological damper can be mounted on mechanical structures required to be damped, such as suspension damping of automobiles, damping of undercarriages of planes, damping of seats and bridges.

The invention discloses a detachable electromagnetic induction heater for diameter-expanded bend-pushed large-diameter elbow, which comprises a detachable electromagnetic induction heating coil, wherein a molding core head for expanding diameter and pushing bend is sleeved with the detachable electromagnetic induction heating coil; a central axis of the detachable electromagnetic induction heating coil is coincident with a central axis of the molding core head; the molding core head is a cleat-shaped core head that comprises an extension section, a deformation section and a shaped section; the detachable electromagnetic induction heating coil comprises a straight line section heating coil and a bended section heating coil; the straight line section heating coil and the bended section heating coil are connected by copper bars; the straight line section heating coil is annularly wound on the extension section; and the bended section heating coil is annularly wound on the deformation section and the shaped section. The detachable electromagnetic induction heater is simple in structure, reasonable in design, simple and convenient to use and operate, strong in operability, good in using effect, not only can improve the pipe blank feeding efficiency when expanding the diameter and pushing the bend of the large-diameter elbow, and also can improve the heating efficiency and the uniformity of the pipe blank.

An easily slidable polyimide film having a polyimide surface layer comprising a polyimide which is thermoplastic and has a glass transition temperature of 190-450° C., wherein there are dispersed in the polyimide of the polyimide surface layer, in a proportion of approximately 0.5-10 mass % based on the polyimide of the polyimide surface layer, wholly aromatic polyimide particles made of a polyimide comprising at least 80 mass % of a pyromellitic acid component and a p-phenylenediamine component, and having a median size of 0.3-0.8 μm and a maximum size of no greater than 2 μm, in at least about 1 μm of the polyimide surface layer.

The invention relates to a parallel wire-array Z-pinch load which comprises an anode sleeve, a cathode sleeve, an anode plate, a cathode plate, a wire array, an insulating positioning sheet, two springs, two double-step positioning rods and two spring positioning rods, wherein the anode plate is fixed in the anode sleeve; the cathode plate is fixed in the cathode sleeve; and the wire array is arranged between the anode plate and the cathode plate. The invention solves the technical problem that the current column load is subjected to magneto fluid mechanics to cause instability in the pinch process to an axis, and the invention has the advantage that tight and uniformly distributed parallel wire-array Z-pinch load is provided in a pinch experiment.

A multilayer film is provided which has a core layer, a matte tie layer, and a sealant skin layer. The matte tie layer is intermediate the core and sealant skin layers and includes a first polymer component and a second polymer component. The multilayer film has a surface roughness (Ra) of at least 0.25 μm and a peak count (Pc) of at least 30 as measured by surface profilometry, and a seal of the sealant layer to itself has a seal strength of greater than about 1400 g / 2.54 cm at 127° C. The multilayer film may be oriented in at least one direction and may be metallized, coated, printed, and / or laminated. The multilayer film may be usefully in packaging applications.

The invention relates to a low-torque-ripple high-efficient permanent magnetic motor stator and rotor structure comprising a stator and a rotor. The stator employs pear-shaped flat-bottomed grooves. Irregular grooves are disposed on a position, corresponding to the center of a stator tooth portion, on the outer circumference of the stator. A rotor outer circumference is formed by a plurality of four-segment arcs. The rotor is provided with a plurality of grooves in which permanent magnets are embedded. The grooves are flat-bottomed V-shaped grooves. The tops of the left groove and the right groove of each V-shaped groove are provided wedge-shaped grooves for preventing the permanent magnets from moving. The permanent magnets are embedded in the left groove and the right groove. Reinforcing ribs are arranged between the tops of adjacent flat-bottomed V-shaped grooves. Compared with a conventional motor with a built-in V-shaped permanent magnet, the low-torque-ripple high-efficient permanent magnetic motor stator and rotor structure is decreased in permanent magnet magnetic leakage, increased in the utilization rate of the permanent magnets, and provided with a salient pole effect, fully utilizes reluctance torque, improves motor efficiency and power density, improves gap flux density waveform, reduces cogging torque and torque ripple, and effectively reduces core loss and eddy-current loss.

The invention discloses an integrated structure of an inducer and a capacitor in an EMI wave filter realized through a flexible circuit board, the integrated structure comprises a three magnetic core column closed magnetic circuit. An air gap is arranged on the middle magnetic core column of the closed magnetic circuit, a cylindrical dual-surface flexible circuit board is respectively wound on two side magnetic core columns and is composed of a first insulating layer, a first copper foil, an isolation medium layer, a second copper foil, and a second insulating layer which are overlapped. The first copper foil, the isolation medium layer and the second copper foil of the cylindrical dual-surface flexible circuit board form a common mode capacitor in the EMI wave filter, two cylindrical dual-surface flexible circuit boards form a common mode inductor in the EMI wave filter through a coupling inductor formed by the side magnetic core columns, two cylindrical dual-surface flexible circuit boards form a difference mode inductor in the EMI wave filter respectively through a magnetic circuit composed of the side magnetic core columns and the middle magnetic core column. The integrated structure of the inducer and the capacitor provided by the invention is favorable for decreasing the volume of the EMI wave filter, and improving the power intensity of a power electronic convertor.