295results about How to "Increase touch points" patented technology

The present invention relates to a conductive paste for the front surface of the solar energy battery,l comprising an electric phase metal powder, a glass phase and an organic phase; the present invention is provided with zero point zero five to one percent additive on base of the total weight of the conductive paste; the additive is TiO2 powder or SnO2 powder. The front electrode of the solar energy battery adopts the conductive paste, so the present invention not only enhances the peeling mechanical intensity of the front electrode of the battery, but also enhances the filling factor FF of the battery, reduces the resistance in series and enhances the light conversion efficiency; and the present invention makes the battery have a good balance of the synthesis electric capability and the mechanical capability.

The invention relates to electronic silver paste and a preparation process thereof, belonging to the technical field of production of such base materials as electronic ceramic components, thick film hybrid circuits, touch components and the like. The electronic silver paste is prepared by mixing and stirring 4-9% of glass powder, 63-80% of silver powder, 12-28% of organic carrier and 0.2-2% of additive, rolling, dispersing and grinding the mixture, then adding 1-2wt% of bismuth stearate, stirring the mixture uniformly and filtering the mixture with a screen. The electronic silver paste and the preparation process have the following beneficial effects: the glass powder system does not contain lead; the minimum grain size and shape of the silver powder are not strictly required; and the silver paste is especially suitable for the positive electrodes of the solar cells on the crystalline silicon solar cell silicon substrates produced in large batch and has excellent electrical property and mechanical property..

An embodiment of the invention discloses a conductive terminal, a circuit board with the same and a plate-to-plate connector. The conductive terminal comprises a substrate and a spring contact; the substrate comprises a closed end and an open end, and a fixed rib extending out of the closed end points to the open end; two sides of the opened end can be bent and closed after the spring contact is sleeved on the rib; the spring contact comprises a unit ring which is formed by spirally surrounding a spring wire along an oblique elliptical trace and then spirally winding along an axis in two directions; and the periphery of the unit ring of the spring contact electrically contacts the circuit board connected with the conductive terminal. The closed end and the open end form a placing area of the conductive terminal, so that the conductive terminal is difficult to loose even if electronic and electric equipment shakes or vibrates. The spring contact is provided with multiple contact points, so that the conductive terminal is ensured to reliably be in contact with the circuit board and a contact circuit.

A medical retrieval basket used for entrapping and extracting objects such as urinary and biliary calculi from the body comprising a handle assembly, a flexible shaft, and a basket. The basket comprises a plurality of outwardly disposed shape memory wires and is bulbous in shape at its distal end. Located at the intersection point of the wires at the distal end of the basket is a hub that restricts the degree of relative movement between the wires. This hub also serves to increase contact points with the object to be retrieved and to stabilize the orientation of the basket wires. The substantially tipless configuration of the distal end of the basket permits the basket to retrieve objects from difficult to reach locations and reduces tissue trauma caused by the basket tip. The basket wires have varying cross sectional shapes and sizes in different sections of the basket to optimize the performance to the needs of each section within the basket. The flexible shaft contains a drive wire that exhibits different flexibilities within the same strand of material by varied cross sectional shapes or diameters. This permits the distal section of the shaft to be more flexible, which reduces the possibility of the device shaft limiting the deflection of a flexible endoscope.

The invention discloses a natural self-heating healthcare physiotherapy patch which comprises a patch body fitting the eye area of a human face, wherein the patch body comprises a first eye contact layer made of soft shading sterile cloth, a second eye contact layer fitting the eyes and a filling layer; fastening belts which can be stuck with each other are fixed on the two sides of the patch body respectively; multiple self-heating far infrared functional bonding particles are distributed on the surface of the second eye contact layer around the area of the eyes; the self-heating far infrared functional bonding particles are formed by heating and drying self-heating far infrared functional bonding slurry; and the self-heating far infrared functional bonding slurry contains raw ore slurry, a far infrared functional aid, an adhesive and a dispersing agent. In the natural self-heating healthcare physiotherapy patch and preparation method thereof disclosed by the invention, multiple self-heating far infrared functional bonding particles are distributed on the surface of the second eye contact layer around the area of the eyes, and perfect effects of prevention, healthcare and physiotherapy can be realized on eye diseases.

The invention discloses a flexible force-sensitive sensor based on silver-embedded nanofibers and a preparation method thereof. The sensor comprises a flexible force-sensitive resistance film which is connected to a power supply and a current meter in series. The flexible force-sensitive resistance film comprises a silver-embedded nanofiber film which is formed by alginate/silver nanoparticle composite nanofibers. The alginate/silver nanoparticle composite nanofibers are sodium alginate nanofibers prepared by an electrostatic spinning method, alginate silver nanofibers are made through ion exchange, and the alginate/silver nanoparticle composite nanofibers are obtained through reduction of silver ions. The sensitive resistor of the sensor has good flexibility and can be directly adhered to a skin, the skin is not hurted, the temperature performance and sensitivity are good, and the monitoring of physiological activities such as a pulse, a breathing frequency and a heartbeat can be realized. At the same time, the sensor also has an antibacterial effect and is more safe to directly contact with the skin.

The invention discloses a carbon prebaked anode in aluminum electrolysis industry. The aggregate of the carbon prebaked anode comprises calcined coke, residual anode and raw crushed straw, wherein the calcined coke with a particle size ranging from 3 to 6 millimeters accounts for 10 to 20 percent of the total weight of the aggregate, the calcined coke with a particle size ranging from 0 to 3 millimeters accounts for 30 to 55 percent of the total weight of the aggregate and the 200-mesh calcined coke powder accounts for 20 to 35 percent of the total weight of the aggregate. The formula of the anode does not adopt coarse calcined coke like the formula of the conventional carbon prebaked anode and increases the content of the fine calcined coke and 200-mesh calcined coke powder compared with the formula of the conventional carbon prebaked anode, thereby improving the volume density and compression strength of the anode and reduces the resistivity of the anode.

A composite hollow fiber film preparation method based on an on-line braiding-phase transfer moulding. The method comprises the following steps: a high-molecular organic membrane material is used as a composite layer material, and the high-molecular organic membrane material, a solvent and an additive are mixed according to a mass ratio, stirred and dissolved uniformly to be prepared into a composite layer casting solution of a composite hollow fiber membrane; textile fabrics are braided into a supporting layer of a fiber braiding pipe through on-line braiding of a braiding machine; supporting layer of a fiber braiding pipe is braided along a core by traction of a traction device of a pultrusion machine and with the core being fixed, and enters into a die through a front end of the core; meanwhile, the composite layer casting solution is dipped in a composite layer casting solution dipping zone in a front end of the die (the composite layer casting solution is injected into a die cavity gradually under pressure), and dragged to a coagulating tank for gelatinization and solidification; and the composite hollow fiber film is obtained. The invention has technical effects that the preparation process is simple; the braiding pipe is braided through the on-line braiding machine, and separating membrane is combined on the braiding pipe synchronized; the braiding pipe and the composite layer have many contact points and are combined tightly; besides, preparation conditions of the tubular composite hollow fiber film to produce a durable composite hollow fiber film with high performance and high strength, at low costs.

The invention discloses a sludge haycite water-permeable brick and a preparation method thereof. The sludge haycite water-permeable brick comprises a surface layer and a base layer, and is characterized in that the surface layer is prepared from, by weight, 1 part of white cement, 0.05 part of ferric oxide, 1-2 parts of haycite sand of 1 mm to 3 mm, 0.2-0.5 part of yellow sand, 0.02-0.04 part of water reducer and 0.3-0.4 part of water; the base layer is prepared from 1 part of 42.5-grade Portland cement, 0-2 parts of haycite sand with the grain size being 3 mm to 5 mm, 0-2 parts of the haycite with the grain size being 1 mm to 3 mm, 0.2-0.5 part of yellow sand, 0.02-0.04 part of water reducer and 0.3-0.4 part of water. The preparation process comprises the steps that the sludge haycite is crushed and screened, the raw materials of the surface layer and the base layer are weighed in proportion, the raw materials are mixed and stirred, and a brick body is formed and maintained. The sludge haycite water-permeable brick has the advantages of being low in cost, high in strength and good in permeability performance, preventing sliding, resisting wear and the like.

The invention discloses a method for preparing calcium carbide, which comprises the following steps: pyrolyzing junked tires to obtain high-temperature oil gas, iron wires and tire carbon black; mixing the tire carbon black with a calcium-base raw material to obtain a mixture; forming the mixture to obtain a massive furnace raw material; and smelting the massive furnace raw material in an arc furnace to obtain the calcium carbide. The technique can obviously lower the temperature and energy consumption, thereby lowering the production cost of the calcium carbide.

The invention discloses an insulated thermal conductive adhesive, which is prepared by a method comprising the following steps of: (1) preparing an adhesive matrix adhesive liquid; (2) preparing a nano inorganic composite filler solution; and (3) preparing the adhesive. The insulated thermal conductive adhesive consists of the following components in part by weight: 100 parts of bisphenol A epoxy resin, 35 to 100 parts of phenolic resin, 20 to 30 parts of nano silicon carbide, 10 to 20 parts of nano aluminum oxide, 2 to 8 parts of nano silicon dioxide, and 40 to 100 parts of acetone. The thermal conductive performance of the cured adhesive is improved by adding silicon carbide, aluminum oxide and silicon dioxide serving as nano inorganic composite fillers into resin matrix. Meanwhile, the nano inorganic composite fillers have better colloid gap filling effect, so that an insulated adhesive layer is more uniform, the thickness of the insulated adhesive layer can be reduced and the thermal resistance of the insulated adhesive layer is reduced.

The invention discloses a method for modifying a current collector, the current collector and an energy storage device to overcome the problem of a few contact points between current collectors and electrodes in the prior art. The method comprises the following steps: allowing a carbon nanotube array perpendicular to the substrate of the current collector to grow on the substrate of the current collector; and allowing a graphene layer perpendicular to the carbon nanotube array to grow on the current collector substrate with the carbon nanotube array.

The invention discloses a graphite negative electrode material of a lithium ion battery and a preparation method for the graphite negative electrode material. The graphite negative electrode material of the lithium ion battery comprises graphite and carbon nanotubes which uniformly coat the surface of the graphite through a physical coating method; and the carbon nanotubes form a network-shaped structure in the graphite negative electrode material. The preparation method comprises the following steps of 1) preparing a carbon nanotube dispersion solution; 2) coating the graphite with the carbon nanotubes; 3) drying a dispersing agent; and 4) performing carbonization on the dispersing agent and a surfactant. Compared with the prior art, the graphite is coated with the carbon nanotubes in the preparation method, so that the electrolyte absorption capability, the rate capability and the cycling life of the graphite negative electrode material can be effectively improved and prolonged.

An assembled ladder is formed by coupling a top ladder segment, a plurality of middle ladder segments, and a plurality of bottom ladder segments together. The bottom ladder segments include a ladder body, support frame assemblies, ancillary frames, adjustable support pads, and adjustable coupling members. The support frame assemblies are respectively set at two sides of the ladder body. The ancillary frames are mounted to the support frame assembly. The adjustable support pads are screwed to the ancillary frames. The adjustable coupling members have an end coupled to the support frame assemblies and are partially received in the receiving space. With the adjustable coupling members fixing the support frame assemblies, the ancillary frames are expanded. Through adjustment made with the adjustable support pads, the ladder can be set more stably to achieve safety and convenience of use.

The invention discloses a room-temperature curing conductive adhesive which is prepared from, by weight, 5-30% of substrate resin, 40-70% of conductive fillers, 5-20% of curing agents, 1-7% of accelerators, 15-40% of diluting agents and 1-5% of additives. According to the indoor-temperature curing conductive adhesive, indoor-temperature curing can be achieved, indoor-temperature long-term storageis achieved, curing time is short, volume resistivity is low, adhesive force is high, and the conductive adhesive has good conductive performance. The conductive adhesive is stored at the indoor temperature for a long time, the volume resistivity and the adhesive force are not affected, and the conductive adhesive is high in stability, convenient to store and can be used for a long time.

The invention discloses a mechanism for clamping a bearing ring, which comprises a sleeve, the inner wall of the sleeve abuts against a plurality of arc-shaped clamping plates, and the clamping plates face the side wall of the inner wall of the sleeve A first limiting groove and a second limiting groove are formed on the top, and the first limiting groove and the second limiting groove are both arc-shaped and the depth of the second limiting groove is greater than the depth of the first limiting groove. The first limit groove and the second limit groove are connected by an arc-shaped transition groove. An annular installation groove is formed in the sleeve, and a rotating ring is inserted in the annular installation groove. A corresponding limit ball, the limit ball is against the inner wall of the annular installation groove on one side of the clamping plate, and the outer wall of the rotating ring between the two limit balls is provided with an arc-shaped rack. The arc-shaped rack is meshed with a driving gear, and a compression spring is connected between the limit ball and the rotating ring. The invention can clamp the outer wall of the bearing ring with a small force so as not to damage the bearing.

The invention discloses a forward osmosis composite membrane based on a large-aperture base membrane, and a production method thereof. The forward osmosis composite membrane is formed by the large-aperture base membrane and an ultrathin desalination layer; and a superhydrophilic micro-porous membrane having an aperture of 0.1-1 [mu]m and a porosity reaching up to 85% or more is used as the large-aperture base membrane, the large-aperture base membrane undergoes heat treatment, and then an aqueous solution of a polyamine active monomer and an oil phase solution of an acyl chloride active monomer form the ultrathin desalination polyamide layer on the surface of the base membrane through an interfacial polymerization technology. The production method effectively eliminates the adverse influences of currently adopted small-aperture ultrafiltration membrane structures as the base membrane on the performances of the forward osmosis composite membrane, solves the problem of unstable combination of the ultrathin desalination polyamide layer and the base membrane, greatly improves the intramembrane concentration polarization phenomenon, reduces the mass transfer distance and resistance, improves the water flux, the interception rate and the anti-pollution characteristic of the forward osmosis composite membrane, and has a good application prospect.

The invention discloses a cap-grabbing manipulator on a smoke guiding vehicle. The structure comprises: four connecting rods are uniformly hinged at the lower end of the bracket, the lower ends of the connecting rods are hinged with the middle parts of the grippers, and the upper ends of the four grippers are Evenly hinged on the movable hanger, the movable hanger is provided with a driving rod, and an auxiliary claw block is also fixedly arranged at the grasping end of each claw hand. Beneficial effects of the present invention: Since the auxiliary claw block is set on the grasping end of the claw hand, the contact point between the grasping end of the claw hand on the cover grasping manipulator on the smoke guiding vehicle and the furnace cover is increased, so that the furnace cover can be stably and reliably Grasping the furnace cover overcomes the disadvantages that the previous grasping end and the furnace cover are a single contact point, and the position of the furnace cover and the position of the cover grabbing manipulator have a large deviation.

The invention relates to heat conduction and storage multifunctional pouring silica gel and a preparation method thereof. The heat conduction and storage multifunctional pouring silica gel consists ofthe following components in percentage by mass: 40-89% of double-component pouring silica gel, 5-20% of phase-change microcapsules, 5-20% of heat conduction packing after surface treatment, and 1-20%of a flame retardant, wherein the heat conduction packing consists of small particle size heat conduction packing and large particle size heat conduction packing through mixing. The preparation method comprises the following steps: performing surface treatment on the heat conduction packing; preparing the heat conduction and storage composite packing; preparing the double-component pouring silicagel; preparing components A1 and B1 of the heat conduction and storage multifunctional pouring silica gel; preparing the heat conduction and storage multifunctional pouring silica gel. Due to surfacetreatment on heat conduction packing of different particle sizes, the dispersibility of the packing in a silica gel substrate is improved, the heat conduction properties of the heat conduction and storage multifunctional pouring silica gel are improved, and due to addition of the phase-change microcapsules, the heat conduction and storage multifunctional pouring silica gel has heat storage temperature control properties.