176results about How to "Guaranteed electricity" patented technology

The invention discloses a composite cladded lithium ion cathode material, and a preparation method thereof. According to the composite cladded lithium ion cathode material, Li(NiCoMn)O2 and/or Li(NiCoAl)O2 is taken as a matrix; the surface of the matrix is cladded with an electrically conductive cladding layer; the electrically conductive cladding layer comprises a lithium fast ion conductor material, and optionally comprises an electronic conductor material. The preparation method comprises following steps: 1, the lithium fast ion conductor or raw materials of the lithium fast ion conductor are dispersed in a solvent, and optionally, an electronic conductor material or raw materials of the electronic conductor material are dispersed in the solvent so as to obtain an electrically conductive cladding layer solution; 2, a cathode material is dispersed in the electrically conductive cladding layer, and stirring is carried out so as to obtain a mixed solution; 3, the mixed solution is stirred, and is subjected to distillation with stirring so as to obtain a dried powder; and 4, the dried powder is subjected to annealing, smashing, and sieving successively so as to obtain the compositecladded lithium ion cathode material. The composite cladded lithium ion cathode material possesses following advantages: cracking is not easily caused, the electrical properties are excellent, the preparation method is simple, and is convenient for industrialized production.

The invention discloses a flame-retardant type cable sheath insulation material and a preparation method thereof. The flame-retardant type cable sheath insulation material comprises the following raw materials in parts by weight: 94-102 parts of neoprene CR121, 16-21 parts of chlorinated polyethylene, 16-22 parts of semi-reinforcing carbon black N774, 2-4 parts of magnesium oxide, 1-2 parts of glass powder, 32-36 parts of mica powder, 1-2 parts of anti-aging agents MB, 1-2 parts of 2-thiol-group benzimidazole, 5-7 parts of polyamide wax micropowder, 1-2 parts of accelerants DM, 0.8-1 part of accelerants TMTD, 18-23 parts of kaolin, 1-3 parts of adipic acid propanediol polyester, 2-4 parts of zinc borate, 4-6 parts of talcum powder, 0.8-1 part of zinc oxide, 2-3 parts of modified calcium carbonate, 5-6 parts of antimony trioxide, 4-6 parts of ethylene thiourea, 4-6 parts of ethylene bis stearamide, 0.7-0.9 part of di-n-octyltin bis(isooctyl thioglycollate) and 0.5-0.8 part of bis(P,P-bis-ethylhexyl diphosphato) ethanediolato titanate. The flame-retardant type cable sheath insulation material disclosed by the invention has characteristics superior to those of common rubber and flame-retardant rubber, namely, the flame-retardant type cable sheath insulation material disclosed by the invention has the property of common silicon rubber at normal temperature, and a rigid shell after is formed being ablated by high temperature flames so as to protect the burnt object not to be damaged.

The present invention relates to a tire pressure detection and warning device. It includes a detection unit lock-fixed on the tire valve, a reverse locking unit for preventing said detection unit from being drawn out arbitrarily and a receiving warning unit which can be placed on the electric cigarette lighter for use. Said detection unit is composed of insulating fixed ring, spring sheet, probe and flexible air pressure chamber. Besides, said invention also provides their connection mode and the working principle of said detection and warning device.

A cable for high power transmission equipment, its structure from inside to outside is: inner conductor, first semiconductive wrapping shielding layer, inner conductor insulation, second semiconducting wrapping shielding layer, outer conductor, wrapping layer, Outer conductor insulation and outer sheath. The insulating layer of the inner conductor is made of silicon rubber; the outer conductor is braided with one or more layers of tinned copper wire; the insulating layer of the outer conductor is made of silicon rubber; the outer sheath layer is made of polyurethane. The manufacturing method of the cable comprises: 1) manufacturing the inner conductor; 2) manufacturing the first semiconductive wrapping shielding layer; 3) manufacturing the inner conductor insulating layer; 4) manufacturing the second semiconductive wrapping shielding layer; 5) manufacturing 6) manufacturing the wrapping layer; 7) manufacturing the insulating layer of the outer conductor; 8) manufacturing the outer sheath layer. In each step, a specific process method is adopted, so that the electrical and mechanical properties of the cable prepared by this method can meet or exceed the detection requirements, so that the cable for high-power transmission equipment can transmit high power safely and reliably, and has the advantages of light weight. , miniaturization, low temperature resistance, good flexibility, small bending radius and other excellent performances, suitable for high electric energy technical equipment.

The invention discloses a special cleaning solution for high-performance photovoltaic silicon chips, which is composed of high-polymer carboxylic acid, organic amine, a surfactant, a complexing agent, a corrosion inhibitor, other assistants and water. The cleaning solution has the advantages of excellent cleaning performance, high use safety and environmental protection.

The invention provides a high-temperature-resistant frequency selective surface antenna cover and a preparation method thereof, a layered structure is adopted, the antenna cover is composed of a bearing layer, at least one layer of FSS (frequency selective surface) structural layer and an anti-ablation/washing layer, the bearing layer and the anti-ablation/washing layer are a plurality of layers of 2D and/or 2.5D fabric reinforced silicon dioxide-based ceramic materials, and the FSS structural layer, the bearing layer and the anti-ablation/washing layer are integrally formed by adopting a gluedipping-gel technology. According to the antenna cover and the preparation method in the invention, a single-layer or multi-layer FSS structure is prepared inside the fiber-reinforced silicon dioxide-based ceramic material, the FSS structure is stable, the FSS structure is good in environmental adaptability under the protection of the fiber-reinforced silicon dioxide-based ceramic material, the application field is wider, and engineering application of the technology is facilitated.

An electronic device is provided. The electronic device includes a first connector including a first pin and a second pin configured to connect with a first external electronic device, a second connector configured to connect with a second external electronic device, a connection sensing circuit configured to sense a connection or disconnection of the second external electronic device coupled to the first pin via the second connector, and a switch configured to supply power received from the first external electronic device via the second pin to the first pin if the disconnection is sensed via the connection sensing circuit.

The invention discloses a cleaning agent used for solar grade silicon wafers and a preparing method thereof. One hundred parts of the cleaning agents comprise, by weight, 2 parts to 5 parts of inorganic base, 10 parts to 20 parts of surface active agents, 1 part to 5 parts of corrosion inhibitors, 1 part to 5 parts of complex agents, 0.1 part to 0.5 part of assistants and the balance water. The preparing method of the cleaning agent includes the following steps: the water and the surface active agents are firstly mixed, the inorganic base is slowly added in a multi-time and small-amount mode under the condition that stirring is carried out at the rotating speed of 300-500 turns per minute, stirring is continuously carried out for 10-20 minutes, the complex agents, the corrosion inhibitors and the assistants are finally added and stirred to be completely dissolved, and the cleaning agent is obtained. By means of the cleaning agent used for the solar grade silicon wafers, metal ions and various organic pollutants on the surfaces of the silicon wafers can be effectively removed, damage to the silicon wafers is small, the amount of cleaning foam is small, and the cleaning efficiency is high.

The invention belongs to the technical field of materials and discloses a semi-conductive nylon strap for cable shielding. The semi-conductive nylon strap is prepared from the following raw materials in parts by weight: 40-80 parts of nylon 11 resin, 10-20 parts of nylon 1010 resin, 5-10 parts of nylon 6 resin, 10-20 parts of linear low density polyethylene, 8-16 parts of maleic anhydride grafted polyethylene, 0.6-0.8 part of a coupling agent, 18-25 parts of a filler, 0.4-0.6 parts of an antioxidant, 2-6 parts of a flame retardant, 10-15 parts of a conducting matter, 20-25 parts of reinforcing fibers and 10-18 parts of a surface modifier, wherein the ratio of the nylon 11 resin to the nylon 1010 resin to the nylon 6 resin to the linear low density polyethylene to the maleic anhydride grafted polyethylene is 8:2:1:2:1.6. The semi-conductive nylon strap disclosed by the invention has the beneficial technical effects of high tensile/bending/cantilever notch impact strength, small electric resistance, good high temperature stability, easy processing and the like, and is capable of eliminating static electricity.

The invention provides a flexible electronic device and a manufacturing method therefor. The electronic device comprises a flexible substrate and a device layer formed on the flexible substrate. The device comprises a semiconductor structure and a wire structure, which are connected with each other. The extending direction of the wire structure is consistent with the trench direction of the semiconductor structure. The extending direction of a first wire structure and the stretching direction of the flexible substrate form an inclined angle which is less than 90 degrees. According to the invention, the impact on the semiconductor structure and the first wire structure from stress is reduced to the minimum value through the adjustment of the trench direction of the semiconductor structure and the extending direction of the first wire structure, thereby guaranteeing the electrical performances and anti-kneading performances of the flexible electronic device.

The invention aims at providing an inductive locomotive locker can be unlocked with a RFID (wireless radio frequency identification) system rather than by rotating a key inserted into the key hole. The inductive locomotive locker of the invention comprises an ID identifying part which comprises a RFID tag; a catcher; and a locker body which comprises a RFID reader able for reading the information coming from the RFID tag, a locking member able for locking the catcher, an actuator able to actuate the locking component, a central micro-processor and a power supply part, wherein the central micro-processor controls the actuator to free the lock of the locking component to the catcher according to the information from the RFID tag read by the RFID reader.

The invention discloses an environment-friendly cable insulation layer, and belongs to the field of wire cable. The environment-friendly cable insulation layer comprises an internal insulation layer and an external insulation layer; a double layer co-extrusion insulation layer is composed of the internal insulation layer and the external insulation layer; the internal insulation layer is preparedfrom an irradiation crosslinked polyethylene insulation material; the external insulation layer is prepared from a low-smoke halogen-free flame-resistant irradiation crosslinked polyolefin insulationlayer; the external insulation layer comprises, by weight, 43 to 65 parts of an ethylene-vinyl acetate copolymer, 40 to 60 parts of linear low density polyethylene, 35 to 47 parts of ethylene propylene diene monomer, 54 to 75 parts of a scratch-resistant agent, 25 to 30 parts of a sensitizing agent, 48 to 60 parts of a silicon nitrogen flame retardant, 25 to 35 parts of a composite anti-aging agent, 12 to 20 parts of a reinforcing filler, and 25 to 35 parts of a composite compatilizer. The environment-friendly cable insulation layer, is friendly to the environment, and is capable of improvingthe scratch resistance of cables greatly.

The invention provides a preparation method for permanently antistatic and conductive EVA. The preparation method comprises the following concrete steps: (1) adding LDPE, EVA and calcium powder into an internal mixer, then carrying out stirring, carrying out heating to 95 to 105 DEG C, and opening a water temperature control system of the internal mixer; (2) maintaining a temperature in a range of95 to 105 DEG C, adding conductive carbon black, aromatic oil, a cross-linking agent and zinc oxide into the internal mixer, continuing stirring, and heating the internal mixer to 110 to 120 DEG C; (3) maintaining the temperature in a range of 110 to 120 DEG C, adding a foaming agent into the internal mixer, closing the water temperature control system of the internal mixer, continuing stirring,and carrying out heating to 125 DEG C; and (4) discharging a material, placing the material into an open mill with a size of 18'', allowing the material to pass through rollers two times, allowing anobtained material to enter an open mill with a size of 16'' so as to obtain sheets, and carrying out foaming through a pressing machine so as to obtain a finished product. The product prepared by using the preparation method provided by the invention is permanently antistatic and permanently conductive, and has the advantages of good surface controllability, smooth surface and no pores at the sametime.

The invention discloses a manufacturing method of an ultra-thin printed circuit board. According to the manufacturing method of the ultra-thin printed circuit board disclosed by the invention, conductive circuits are electroplated and bonding sheets and copper foils are laminated on a support plate provided with metal layers and first copper foils to achieve layer addition; and the copper foils and the bonding sheets, which are relatively small in electroplating thickness and relatively small in lamination thickness are carried through the support plate, so that the whole hardness of an electroplating layer (namely a first conductive circuit layer) and a lamination layer (namely second copper foils, third copper foils and fourth copper foils) is improved; the limitation of equipment on the thickness of the board in production is effectively avoided; the board blocking phenomenon of the relatively thin electroplating layer and the relatively thin lamination layer in the horizontal equipment treatment process is avoided; deformation (for example, warping, bending, tiny wrinkles and the like) of the electroplating layer and the lamination layer is avoided; and the problems that the printed circuit board is scrapped and is low in yield due to the deformation are further solved.

The invention relates to a ceramic fireproof fire-resistant silicon rubber wire and cable. The wire and cable comprise a plurality of conductors, each conductor is wrapped by a ceramic silicon rubber insulating layer in an extruding mode to form a wire core, multiple wire cores are wrapped by a wrapping tape layer to form a cable core, padding is arranged in the cable core, and a ceramic silicon rubber outer sheath is arranged outside the cable core. The ceramic fireproof fire-resistant silicon rubber wire and cable have characteristics batter than those of a common rubber cable and a flame retardant rubber cable and form a hard shell after being ablated by high-temperature flames to protect a burned article from being damaged, and the hard shell formed after ablation protects the wire and cable, so that unblocked electric power and communication are ensured, and precious time are won for personnel evacuation and rescue under the fire disaster condition.

A starting control device of engine capable is provided. An exclusive control part 21 controls an energization to each system such that at least one of a pump system including a fuel pump 10, an injection system including an injector 20 and an ignition system including an ignition unit 16 is timely divided or is exclusively driven regarding at least one of another system.In this way, by ensuring a current fed to respective devices by exclusively driving a device unnecessary for being always simultaneously driven at the time of starting the engine, can further improve a starting property of the engine.

The invention relates to a production method of thin prepreg with a high-content filler adhesive system, comprising the following steps: step 1, providing an electronic-grade fiberglass flat cloth, wherein the nominal mass per unit of the electronic-grade fiberglass flat cloth is 15-50g/m<2>, and the weft clearance area is 0-0.01mm<2>; step 2, preparing a resin adhesive solution containing a high-content filler, wherein the filler accounts for 15-60% by weight; and step 3, impregnating the electronic-grade fiberglass flat cloth in the resin adhesive solution containing a high-content filler, and baking to obtain the thin prepreg with a high-content filler adhesive system. The production method of the thin prepreg with a high-content filler adhesive system provided by the invention effectively solves the apparent pinhole defect of the thin prepreg, improves the percent of pass, and ensures the electrical property and reliability of a copper-clad plate made from the thin prepreg, thereby ensuring the electrical insulation property of a printed circuit board (PCB) and improving the quality of products.

The invention discloses a copper terminal and aluminum wire joint and a magnetic induction welding method thereof. The copper terminal of the joint is divided into a connector and a functional part connected with the connector. The aluminum guide core of the aluminum wire is connected with the connector of the copper terminal. The aluminum guide core extends or does not extend to the functional part. The magnetic induction welding method comprises the steps that S1 the aluminum guide core after insulating layer stripping and the connector of the copper terminal are assembled; and S2 the welding end of the aluminum wire and the connector of the copper terminal are welded together through magnetic induction welding. According to the technical scheme, copper and aluminum are welded; the electrical performance and the mechanical performance are better; terminals of terminal connectors of different shapes are connected with the aluminum wire; and the preparation efficiency and quality are improved.

The invention discloses an inner electrode of a glass-ceramic stacked capacitor and a preparation method of the inner electrode in the technical field of functional materials. The inner electrode structurally comprises glass-ceramic dielectric layers and silver paste electrode layers which are stacked, wherein an inner electrode transition layer is arranged between one glass-ceramic dielectric layer and one silver paste electrode layer which are adjacent to each other. The preparation process of the inner electrode comprises the steps of: firstly plating a metal film on each of the two surfaces of each glass-ceramic dielectric single sheet to serve as the inner electrode transition layer; and then coating a low-temperature silver paste electrode on the surface of each of the plated metal film layers, stacking multiple layers and later, conducting sintering. According to the invention, the structure and the preparation method of the inner electrode which is used for the glass-ceramic stacked capacitor and can be sintered at low temperature are found out, so that the sintering temperature is lowered by over 300 DEG C, the self-owned electrical property of a glass-ceramic dielectric material is maintained, the dielectric constant is kept at 176 approximately and the direct-current breakdown field strength is increased to about 33kV/mm. The preparation method is very suitable for preparing the high-voltage-resistant inner electrode of the glass-ceramic stacked capacitor.

The invention discloses methods for vacuum brazing, assembling and locating a radio fuse antenna radiator, which comprise the following steps that (1) a locating pin is utilized to preliminarily locate; and (2) at the welding line of a cover plate and a cavity body, burrs are generated through the nailing of a burr positioning tool, so precision locating is carried out. The method for locating is utilized, a soldering flake can be well enabled not to dislocate during the assembling process, the seam in the cover plate is enabled not to deviate, and the molten soldering flux is enabled to uniformly and fully filled, and does not flow into the cavity. The cavity and the cover plate can be tightly, uniformly and smoothly fit with each other, accordingly, the welding strength, air tightness and surface appearance quality are well ensured, the electrical property is enabled to be qualified, and finally, the welding quality can be enabled to satisfy the requirements of technical conditions. The methods for assembling and locating are utilized, the consumption of manpower and material resources is reduced, and the average assembling time for each set is 33 minutes, so the assembling efficiency is improved.