81results about How to "Smooth conduction" patented technology

The invention discloses an electrostatic spinning multi-strand wire spray head, and belongs to the electrostatic spinning field. The spray head comprises a jointing piece, a guide piece and a heat control device, wherein the jointing piece is connected with the guide piece through screw thread; the heat control device is fixed on the outer surface of the jointing piece; the matched columnar surface of the guide piece is in tight fit joint with the corresponding surface of the jointing piece; a plurality of shunting holes are uniformly distributed at the lower end vertical to the columnar surface of the guide piece; a buffer groove is formed at the outlet of the shunting holes; a plurality of shunting grooves are annularly and uniformly distributed on the shunting conical surface of the lower end of the guide piece, and the shunting conical surface is parallel to the corresponding conical surface on the jointing piece; and the lower end of the guide piece is provided with an inner hexagonal hole and a shallow concave surface. The spray head used for electro-spinning of melt or solution can realize uniform preparation of multi-strand wires, and the combination of multiple spray heads with the structures can be introduced into a large-batch electrostatic spinning device; and the spray head greatly improves the production efficiency of electrostatic spinning, and reduces the processing cost of multiple spray heads.

The invention relates to a preparation method of a Ba ion doped Na-beta'-Al2O3 solid electrolyte and a solid electrolyte prepared by using the same. In the method, a salt containing metal sodium and aluminum is used as a raw material, a salt containing metal lithium or magnesium is used as a stabilizing agent, a salt containing metal barium is especially used as a regulating agent, three precursor powders comprising Na2O.5Al2O3, Li2O.5Al2O3 or MgO.5Al2O3, and BaO.5AL2O3 are respectively prepared by using a sol-gel method, and the target product of (1-3x)Na2O.2xMgO.xBaO.5Al2O3 or (1-3x)Na2O.2xLiO.xBaO.5Al2O3 is prepared, wherein x is greater than 0.02 and smaller than 0.1. Compared with a Na-beta'-Al2O3 solid electrolyte prepared by the conventional method, the Na-beta'-Al2O3 solid electrolyte prepared by the method has the characteristics of higher density, higher strength and higher conductivity, the degradation problem of the solid electrolyte is solved, the service life is prolonged, and thus, the solid electrolyte has wide application prospect.

The invention relates to a lithium ferrosilicon silicate/carbon composite cathode material and a preparation method thereof, belonging to the technical field of lithium-ion battery manufacture. The technical problem to be solved by the invention is to provide a novel path to prepare the ferrosilicon silicate/carbon composite cathode material with high rate performance. The ferrosilicon silicate/carbon composite cathode material of the invention consists of 20-120nm particles which are formed by evenly coating carbon obtained by heated and carbonized asphalt on the surface of the lithium ferrosilicon silicate, wherein the carbon accounts for 2-30% of the lithium ferrosilicon silicate/thecarbon composite cathode material. In the invention, asphalt is utilized to as a carbon source for doping treatment to prepare the lithium ferrosilicon silicate/the carbon composite cathode material for lithium-ion batteries, and the cathode materialhas higher charging-discharging capacity and good circulation property.

The invention relates to a display module and a display device. The display module comprises a substrate, an anode layer and a plurality of isolation columns, wherein the anode layer comprises a plurality of anode strips which are formed on the substrate and are parallel to one another; each anode strip comprises a plurality of sub-anodes distributed along the length direction and a plurality of conduction parts for connecting the adjacent sub-anodes in a conducting manner; the flexibility of the conduction parts is better than that of the sub-anodes; the plurality of isolation columns are formed on the anode layer in parallel; and the sub-anodes located between two adjacent isolation columns form pixel regions. According to the display module, each anode strip is divided into the plurality of sub-anodes through the conduction parts. The flexibility of materials of the conduction parts is better than that of the sub-anodes, that is to say, the conduction parts have better bending resistance than the sub-anodes; and meanwhile, the bending stress of the anode strips can be reduced through the bending-resistant conduction parts while the display module is bent, so that fracture of theanode strips is effectively prevented, smooth conduction of the anode strips is ensured and abnormal display of the display device is effectively avoided.

The invention relates to the technical field of aluminium electrolysis, in particular to an aluminum barrel anode clamping device which comprises a clamping frame/anode bus rack and at least one anodelifting mechanism and further comprises at least one aluminum barrel anode, wherein the at least one anode lifting mechanism is connected with the clamping frame/anode bus rack and is used for lifting the clamping frame/anode bus rack; the at least one aluminum barrel anode is arranged in the clamping frame/anode bus rack and is internally provided with a plurality of conductors; the aluminum barrel anode comprises an aluminum barrel; a plurality of pressing and lifting mechanisms are arranged on the clamping frame/anode bus rack; and at least one first compressing mechanism or conducting element in contact with the aluminum barrel, or the conducting element and the first compressing mechanism are arranged on each of the pressing and lifting mechanisms. The pressing and lifting mechanismsare arranged on the clamping frame/anode bus rack to automatically lift the clamping frame/anode bus rack to an assigned height; and the aluminum barrel anode clamping device is high in degree of automation, simple and steady to operate and high in efficiency.

The invention provides a light emitting device that does not reduce radiant efficiency when in use, enables to increase luminous flux by flowing a high electric current to LED elements, and produces white light of good color. The invention also provides a light emitting device capable of smoothly transmitting heat generated by an LED element to an SiC fluorescent substrate. The light emitting device is provided with first LED elements for emitting UV radiation, second LED elements for emitting visible light, an SiC fluorescent substrate that is mounted with the first LED elements and the second LED elements and is made of SiC doped with at least one of B and Al as well as N and emits visible light when excited by radiation emitted from the first LED elements, and has a case made of inorganic material for containing the SiC fluorescent substrate.

The invention discloses an illuminating display with a cascading double-goose-winged clearance tip-shaped cathode slope-wave hybrid line gated structure. The display comprises a vacuum enclosure and agetter accessory element located in the vacuum enclosure, wherein the vacuum enclosure is composed of a flat glass upper partition plate, a flat glass lower partition plate and a rectangular glass strip; a conductive film anode layer, an outer line electric anode silver layer and a thin luminescent layer are provided on the flat glass upper partition plate; the conductive film anode layer is connected to the outer line electric anode silver layer; the thin luminescent layer is formed on the conductive film anode layer; and the cascading double-goose-winged clearance tip-shaped cathode slope-wave hybrid line gated structure is arranged on the flat glass lower partition plate. The illuminating display provided by the invention has the advantages of diversified display illuminating colors, high display illuminating brightness, low manufacturing cost, and stable and reliable process.

The invention discloses a control circuit of a power conversion circuit and a relevant capacitor charging circuit. The capacitor charging circuit used for the power conversion circuit and provided by the embodiment of the invention comprises a clock generation circuit for generating a clock signal, a second diode coupled between an adjusting circuit and a third node, a third diode coupled between the third node and a second node, a first switch coupled between a first node and a fourth node, a second switch coupled between the fourth node and a fixed potential end, a first drive circuit used for controlling the first switch according to the clock signal, a second drive circuit used for controlling the second switch according to the clock signal, and a charging capacitor coupled between the third node and the fourth node. When the clock signal is positioned at a first potential, the first drive circuit is used for turning off the first switch and the second drive circuit is used for turning on the second switch; when the clock signal is positioned at a second potential, the first drive circuit is used for turning on the first switch and the second drive circuit is used for turning off the second switch, thereby ensuring that sufficient electric charges of a bootstrap capacitor can be maintained.

Provided is a power connector. The power connector comprises a seat body, a plural number of terminals and a heat dissipation mechanism, wherein the seat body is provided with an abutting-joint portion, a plural number of spaced boards and containing grooves, wherein the back portion of the abutting-joint portion extends to from the plural number of spaced boards, the containing grooves are formed among the spaced boards, each containing groove is provided with the plural number of terminals in a penetrating mode, the terminals are used for positioning, an abutting-joint end is arranged on one side of a board body, a welding portion extends from the other side of the board body, at least one caulking groove is formed outside the abutting-joint portion, the heat dissipation mechanism is provided with at least a metal sheet body, the metal sheet body is covered on the abutting-joint portion in a positioning mode, a positioned buckle which can be clamped into the caulking groove in an embedded mode is arranged on the metal sheet body, the number of the heat dissipation mechanism can be increased to increase heat dissipation areas according to actual demands, and is beneficial for improvement of heat dissipation effects, magnitude of currents which can be loaded at the same temperature rise can be wholly improved, and thus smooth power conduction can be achieved, and use safety can be improved.

The invention discloses a ground switch passing neutral section bow net arc suppressing method, further discloses a ground switch passing neutral section bow net arc suppressing device, and further discloses a ground switch passing neutral section device. The ground switch passing neutral section bow net arc suppressing method is used for reducing a current of a power supply loop constituted by power supply arms and a pantograph when the pantograph gets away from or makes contact with the power supply arms so as to suppress an arc in the passing neutral section process. The ground switch passing neutral section bow net arc suppressing device comprises high-impedance contact lines arranged at the tail ends of all the power supply arms and is used for reducing the current of the power supplyloop constituted by the power supply arms and the pantograph when the pantograph gets away from or makes contact with the power supply arms so as to suppress the arc in the passing neutral section process. The ground switch passing neutral section device comprises a switch assembly and the ground switch passing neutral section bow net arc suppressing device, and the switch assembly is used for connecting a neutral zone with the contact net two-phase power supply arms. The ground switch passing neutral section bow net arc suppressing method and device and the ground switch passing neutral section device all have the advantages of arc suppressing and the like.

The invention provides a low-spatter-rate ER50-6 gas-protection solid welding wire. The low-spatter-rate ER50-6 gas-protection solid welding wire comprises a steel wire base body and a copper platinglayer which is coated on the surface of the steel wire base body. The steel wire base body comprises the following components of, by weight percentage, 0.06%-0.10% of C, 0.80%-1.00% of Si, 1.40%-1.60%of Mn, 0.010%-0.015% of S, less than or equal to 0.015% of P, less than or equal to 0.015% of Mo, less than or equal to 0.015% of Ni, less than or equal to 0.30% of Cu, less than or equal to 0.015% of Cr, less than or equal to 0.03% of V, 0.02-0.08% of Al, less than or equal to 0.008% of O, less than or equal to 0.007% of N and less than or equal to 0.0012% of Ca, the balance being Fe. The low-spatter-rate ER50-6 gas-protection solid welding wire adopts the method of chemical component control to control the transition form of dissolved drops and ensure the stability of transition of the dissolved drops, so that the effect of reducing the welding spattering rate is realized.

A conductive adhesive includes an adhesive of 80 to 90 wt % and a conductive fiber of 10 to 20 wt %. The conductive adhesive according to the present disclosure has excellent conductivity by mixing the conductive fiber with the one-component adhesive or the two-component adhesive to make electric conduction smoother, and to improve adhesion properties and durability regarding temperature changes.

The invention aims to reduce the cost of a structural member and improve the heat dissipation performance, and provides a semiconductor light source radiator and a light source engine. The semiconductor light source engine is characterized in that a, the structure (the casing) serves as a cooling fin, namely a radiating metal casing (1) machined and formed through punching a sheet metal (aluminum plate), so that the machining cost and material cost are reduced; b, the wall thickness of the radiating metal casing is optimized to further reduce the material cost; c, the metal side wall (2) is formed through stretching a rear metal casing (9) or/and a front metal casing (4), a ventilating window (3) adopting a louver type or staggered arrangement type structure is formed, the ventilating ratio is not less than 0.20, so that air in natural convection flows smoothly, and the radiating performance is remarkably improved; and d, a reflector (31) is equipped, and most light emitted from a semiconductor light source (6) is light reflected by the reflector, so that the light source engine can solve the problem of dazzling light.

The invention relates to the technical field of lithium-ion battery manufacturing and particularly relates to a method for preparing a lithium-zinc titanate/carbon nano composite negative material. The method comprises the steps: firstly, dissolving lithium acetate, zinc acetate and a carbon source in anhydrous ethanol, then, adding nano-titania into the anhydrous ethanol, and carrying out uniform dispersing, so as to obtain a suspension liquid; evaporating the suspension liquid to dryness in oil bath, carrying out vacuum drying, and carrying out thorough heat treatment in a protective gas atmosphere, thereby obtaining a target product, i.e., the lithium-zinc titanate/carbon composite cathode material. According to the method, the process for preparing the lithium-zinc titanate/carbon composite cathode material is simple and safe and is low in cost, and the prepared lithium-zinc titanate/carbon composite cathode material has the particle size of nanometer and has relatively high charging and discharging capacity and good rate capability.

The invention belongs to the technical field of electric actuating mechanisms, and discloses an electric actuating mechanism hand wheel self-locking mutual assurance device. The electric actuating mechanism hand wheel self-locking mutual assurance device comprises a shell, the two ends of the shell are fixedly connected with a motor cover and a hand wheel mounting cover through bolts correspondingly, a driving motor is arranged inside the motor cover, a hand wheel is arranged on the outer wall of one side of the hand wheel mounting cover, a worm wheel, a controller and a hollow worm are arranged inside the shell, the hollow worm is located between the worm wheel and the controller, moreover, the two ends of the hollow worm are connected with the driving motor and the hand wheel in a rotating mode correspondingly. According to the electric actuating mechanism hand wheel self-locking mutual assurance device, a first locking piece, a second locking piece and a switching screw rod are arranged, so that during manual and automatic switching the electric actuating mechanism, the positioning states between the two locking pieces and two bevel gears is changed synchronously by utilizing extension and retraction of the switching screw rod, then the actuating mechanism can automatically form locking of the other structure when the driving mode is replaced, hereby, the effect of synchronous self-locking is achieved.

The present invention relates to an amplifier designed to generate a rectangular voltage signal with soft switching on a capacitive load, comprising a half-bridge structure consisting of two switches, which is connected between a supply terminal and a reference terminal, the mid-point of said structure being connected to said capacitive load, and a soft-switching circuit with energy recovery. To limit the conduction losses in the amplifier, the soft-switching circuit with energy recovery comprises no active component, such as a diode or transistor. According to the invention, it is formed only from an inductive elements connected in series with a capacitive element between the terminals of said capacitive load. Advantageously, the inductive element comprises a saturable inductor in order to limit the conduction losses of the amplifier.

The invention relates to a fluid connector component, comprising a plug and a socket; the plug comprises a mounting sleeve and a plug shell provided with a plug fluid channel; a front limiting plane and a rear limiting plane which are arranged in tandem relatively, and the extending direction of both are vertical to the left-right direction, are arranged in the inner hole of the mounting sleeve; the plug shell comprises a radial floating shell limited axially between the front and rear limiting planes; a radial floating clearance is formed between the radial floating shell and the inner hole wall of the mounting sleeve; the radial floating shell comprises a front end face arranged parallel to the front limiting plane and a rear end face arranged parallel to the rear limiting plane; the front end face of the radial floating shell and the front limiting plane, or the rear end face of the radial floating shell and the rear limiting plane are in sealing fit; the inner hole of the mounting sleeve of the rear side of the rear limiting plane is communicated with the port of the rear end of the fluid channel; a conical guiding surface in guiding fit with the plug shell is arranged on the socket shell of the socket. By utilizing the fluid connector component, the problem that the plug cannot float radically existing in the prior art is solved.