109results about How to "Prevent vulcanization" patented technology

The invention relates to the fields of a charging management circuit and a power management circuit of a storage battery, in particular to a charging management circuit of a lead-acid storage battery. In the invention, a charging optimization manager is serially connected between a charger and a lead-acid storage battery pack; and the charging optimization manager monitors and acquires the terminal voltage signal of the lead-acid storage battery pack and the charging current signal of the charging circuit by means of a controller, controls an extra voltage to be superposed onto the charging circuit in a PWM (pulse width modulation) mode or turns on or turns off the charging circuit superposed with the extra voltage. The charging optimization manager of the lead-acid storage battery has simple structure, is used conveniently and is serially connected between the charger and the battery pack; and by means of full intelligent control, the charging optimization manager can prevent the lead-acid storage battery from being damaged due to overcharging, prevent the lead-acid storage battery from being vulcanized and realize automatic repair and restoration of the vulcanized lead-acid storage battery pack.

There is provided a plating structure obtained by heat-treating a silver-plated structure obtained by forming a tin-plated layer, an indium-plated layer, or a zinc-plated layer, having a thickness of 0.001 to 0.1 μm, on a surface of the silver-plated layer formed on a surface of a plating base. There is also provided a coating method for obtaining the plating structure which comprises the step of melting a particle deposit spottedly deposited at 2×10⁻⁶ to 8×10⁻⁶ g/cm² such that the spot-deposited particles have gaps therebetween as viewed above and the particles each having an average diameter of 20 to 80 nm do not pile up in a direction perpendicular to the surface of the silver layer to obtain a film.

The invention realtes to a high-stability recyclable surface-enhanced Raman substrate and a preparation method and belongs to the technical field of trace-amount organic substance detection. In the method, a silver nanorod array thin film is prepared through an inclined growing method and then an amorphous-state titanium oxide thin film is uniformly deposited onto a surface of the silver nanorod array thin film through an atomic layer deposition method to obtain a silver-at-titanium oxide composite nanorod array thin film as the surface-enhanced Raman substrate. By means of the substrate, a surface-enhanced Raman signal is free from being attenuated greatly due to the ultrathin titanium oxide layer. The substrate is excellent in enhancement effect. Meanwhile, the titanium oxide thin film enables silver nanorods to be isolated from external environment so that the silver nanorods are enhanced in anti-oxidizing and anti-vulcanizing performance, thereby greatly enhancing stability of the substrate. The titanium oxide, as a photocatalytic material, can catalytically decomposing organic substances adsorbed on the surface of the substrate with combination of an ultraviolet light. The substrate, after being irradiated by the ultraviolet light, can be recycled as a clean substrate. The substrate has a wide application prospect in the field of the trace-amount organic substance detection.

The invention discloses a multipurpose low-conductivity ceramic/noble metal lamellar composite thermal barrier coating, relating a composite material and coating technology. The coating is divided into four types: (1) regularly and alternatively depositing low-conductivity ceramic layers and noble metal layers; (2) irregularly and alternatively depositing low-conductivity ceramic layers and noblemetal layers; (3) exerting low-conductivity ceramic and noble metal lamellar composite thermal barrier coatings on antioxidant protection layers deposited on the surface of a basic alloy; and (4) depositing other functional coatings on the outer surface of the low-conductivity ceramic/noble metal lamellar composite thermal barrier coating. According to the invention, the lamellar composite thermal barrier coating formed by alternatively depositing the low-conductivity ceramic layers and the noble metal layers has the advantages of excellent thermal insulation performance and thermal shock resistance, stable coating structure and long service life and can be applied to the high temperature protection of hot end components of refractory alloys or high temperature alloys such as an aircraft engine, a marine engine, a ground gas turbine, a rocket engine, and the like.

The invention discloses an additive of colloidal electrolyte, which contains the following components with the following weight percentages: 0.2 to 3 percent of phosphoric acid, 1 to 2 percent of sodium sulfate and 0.1 to 1 percent of stannous sulfate. The additive contains the phosphoric acid, the sodium sulfate and the stannous sulfate; after the phosphoric acid is added into the colloidal electrolyte, the softening rate of the anode active material PbO2 of a accumulator can be reduced, and the PbO2 loss can be reduced, thereby prolonging the cycle life of the accumulator and reducing the plate sulfation when the accumulator is kept after being completely discharged. The sodium sulfate and the stannous sulfate added into the colloidal electrolyte of the accumulator can effectively inhibit the accumulator sulfation.

The CS2 reactor furnace includes inner furnace body of refractory material, outer furnace body of refractory material, and heating chamber between the inner surface body and the outer furnace body. In the peripheral of the inner surface body, there are sulfur gasifying furnace and carbon material preheating furnace, and the sulfur gasifying, furnace is connected via sulfur vapor duct to the bottom of the inner furnace body. The CS2 reactor furnace of the present invention has no sulfurizing and oxidizing corrosion of inner furnace body and thus long service life. The material preheating speeds the reaction and raise the product yield. Heating the coal-burning gas furnace via the main fire channel communicated with the furnace body can save fuel and stabilize furnace temperature.

The invention relates to the field of hydrogenation, and discloses a hydrogenation catalyst and a preparation method and application thereof and a hydrogenation refining method. The hydrogenation catalyst comprises a carrier and an active metal component loaded on the carrier, the active metal component comprises tungsten and at least one group VIII metal element, the tungsten exists in the form of trisulfide, and the group VIII metal element exists in the form of salt. The preparation method of the hydrogenation catalyst comprises the steps that a solid A is obtained by impregnating the carrier with a tetrathiotungstate solution, the solid A is impregnated with a solution containing group VIII metal salt, heat treatment is performed under inert or reducing atmosphere, or the carrier is impregnated with the tetrathiotungstate solution, and then heat treatment is performed under the inert or reducing atmosphere to obtain a composite material A, and the composite material A is impregnated with the solution containing the group VIII metal salt. According to the preparation method, the vulcanization process is eliminated, and the hydrogenation performance of the catalyst is improved obviously.

The invention provides a silver/graphene composite plating solution. The silver/graphene composite plating solution comprises a 3-80 g/L of AgNO3, 30-400 g/L of KI, 6-300 g/L of Na2S2O3, 1-20 g/L of HNO3, 0.1-10 g/L of a dispersing agent, 0.1-10 g/L of an auxiliary agent, 0.01-3 g/L of a defoaming agent, 0.5-5 g/L of graphene sheets and water. According to the provided silver/graphene composite plating solution, by adding the dispersing agent, the auxiliary agent and the defoaming agent, a complex on the surface of graphene can be controlled, so that graphene sheets are uniformly parallel to abase body surface, vulcanization of a silver layer is prevented, isolation of silver and harmful gas is realized, and the vulcanization resistance of a composite plating layer is improved; and experimental results show that a provided silver/graphene composite plating layer does not change color after being soaked in a Na2S solution with the volume fraction of 5% for 240 hours, and the sulfur resistance far exceeds the requirements of aviation industry standard QJ485-1988.

The invention discloses an LED supporting frame, a manufacturing method of the LED supporting frame and a double-material belt LED supporting frame module. The LED supporting frame comprises a plastic seat, an aluminum adhering sheet and a copper guide pin, wherein the aluminum adhering sheet and the copper guide pin are arranged on the plastic seat. A packaging cavity is formed in the plastic seat. The aluminum adhering sheet is provided with a crystal solidification part. The surface of the crystal solidification part is exposed in the packaging cavity and the bottom face of the aluminum adhering sheet is exposed out of the bottom face of the plastic seat. The copper guide pin comprises a welding wire part and a welding part which are integrally connected and formed. The welding wire part is exposed in the packaging cavity. The welding part is exposed on the outer side of the plastic seat. The double-material belt LED supporting frame module comprises an aluminum plate supporting frame, a copper plate supporting frame and multiple plastic seats. As the adhering sheet made of aluminum and the guide pin made of copper are adopted, under the condition that the heat dissipating effect is not affected, the sulfuration problem of a crystal solidification welding wire zone is effectively solved, the quality of a product is improved, the reflecting rate of the product is improved, the brightness of the product is improved, the wattage is improved to 14 W from 7 W in the past and the use performance of the product is better.

The invention relates to an uninterrupted power supply for battery pack vulcanization prevention and online capacity measurement, belonging to the technical field of uninterrupted power supply. The invention is mainly characterized in that: under the support of software program, a battery pack and a switch power supply in the uninterrupted power supply alternatively supply power for the load under certain condition and mutually back up, and the checking-purpose discharge experiment which wastes large amount of energy and is troublesome and executed by the existing battery pack for preventing vulcanization is changed into the local discharge process which is the power supply process simultaneously, thus not only effectively preventing the vulcanization of the battery pack, but also reducing the trouble of the checking-purpose discharge experiment and saving the energy maximally. On the one hand, the invention has simple method, effectively improves the actual service life of the battery pack and reduces the use cost; and on the other hand, as the occurrence of accidents is reduced, the invention reduces economic loss caused by the accidents and the battery pack changes power discharge into power supply, effectively utilizes the energy and reduces enormous cost.

The invention discloses a planar indium gallium arsenic light-sensitive chip with surface passivation improved and a manufacturing method. According to the structure of the planar indium gallium arsenic light-sensitive chip, an N-type InP layer, an indium gallium arsenic intrinsic absorption layer, an N-type InP cap layer, a SiNx passivation layer, a P-electrode and a thickened electrode (8) are grown on a semi-insulating InP substrate in sequence. The manufacturing process is improved on the basis of an original process, and comprises removal and vulcanization of a diffusion mask and silicon nitride passive film growing through an inductive coupling plasma chemical vapor deposition (ICPCVD) technology. The planar indium gallium arsenic light-sensitive chip with surface passivation improved and the manufacturing method have the advantages the passivation layer of the chip is even in structure; the surface state density of a device is effectively reduced, and the surface can be prevented from being oxidized again through a vulcanization film formed on the surface; damage of the process to the surface of materials is small, the film is compact and is in stress fit with the substrate, the element bonding state is good, and the passivaition effect is excellent.

Disclosed herein is an injection apparatus and control method thereof. The apparatus comprises a nozzle to guide a raw material to flow into an injection mold, a microwave transmission part positioned at a portion of the nozzle, and a microwave generation part positioned near the nozzle to generate and irradiate microwaves to the microwave transmission part. With this structure, vulcanization of the raw material injected into the injection mold occurs uniformly and rapidly within the injection mold, thereby improving a quality of an injection molded product while increasing a speed of injection operation.

The invention discloses a small household instrument for repairing batteries of electric cars, which consists of an input circuit, an output circuit, a battery repairing circuit between the input circuit and the output circuit; the battery repairing circuit comprises a voltage transforming and stabilizing circuit, a desulfurizing, activating and switching circuit, a desulfurizing circuit and a discharging and activating circuit; an over temperature protecting circuit is arranged between the voltage transforming and stabilizing circuit and the desulfurizing, activating and switching circuit and the desulfurizing circuit; after over temperature signals from the desulfurizing circuit are fed back to the over temperature protecting circuit, the over temperature protection is realized. The small household instrument for repairing batteries of electric cars is small in volume, low in price and affordable for all, with good effects of repair and maintenance.

The invention discloses an uninterruptible DC power supply battery activation control circuit. An uninterruptible DC power supply comprises a battery management circuit, a PWM control driving circuit, a DC-DC converter and a storage battery. The battery activation control circuit comprises an activation operation circuit, an activation signal detection circuit and an activation signal isolation circuit which are connected in turn, and a reference voltage circuit which is used for supplying reference voltage to the activation signal detection circuit, the activation signal isolation circuit and the battery management circuit. The compensation end of the PWM control driving circuit is connected with the output end of the activation signal isolation circuit. The comparison voltage input end of the battery management circuit is connected with the output end of the activation signal detection circuit. The invention also provides a design method of the uninterruptible DC power supply battery activation control circuit. The uninterruptible DC power supply battery activation control circuit is low in realization cost and convenient to use and operate so that the service life of the storage battery can be effectively prolonged, use efficiency of the storage battery is enhanced, practicality is high and popularization and use are convenient.

The invention relates to the field of hydrogenation and refining, and discloses a hydrogenation catalyst and a preparation method and application thereof. The catalyst comprises a carrier, and activemetal components which are loaded on the carrier, wherein the active metal components include Mo and at least one VIII cluster metal element; Mo is in a form of trisulfide; the VIII cluster metal element is in a form of salt. The hydrogenation catalyst preparation method comprises the following steps: dipping the carrier in a molybdate tetrathiolate solution; thermally processing in an insert atmosphere or reduction atmosphere to obtain a composite material A, wherein Mo in the composite material A is in the form of trisulfide during thermal processing; dipping the composite material A in a solution containing the VIII cluster metal salt; drying the dipped solid material. With the adoption of the preparation method, the vulcanization process is eliminated; the active components of the prepared catalyst are fully vulcanized; the hydrogenation performance of the catalyst is obviously improved.

The invention discloses an intelligent electric vehicle instrument, relates to the field of vehicle instruments, and aims to solve the problems of short battery life and short continuous range of an electric vehicle in an automatic prompting way. An intelligent prompting instrument capable of automatically generating an operation scheme is arranged on an electric vehicle; the intelligent prompting instrument is connected with electric quantity, voltage, current, temperature and liquid level detection units of a battery, and is used for detecting a battery and generating an operation scheme for prompting a user to drive efficiently, charge the battery, replenish water and preserve heat according to a detection result. The intelligent electric vehicle instrument is applied to bicycles, track bicycles and automobiles driven by lead-acid batteries and the like; the probability of high-power running during heavy load, startup, acceleration, high-speed running, climbing and the like, braking energy waste as well as insufficient battery capacity and unsatisfactory maintenance of the vehicle is greatly lowered, the battery is protected intelligently, human damages to the battery are reduced by 10-30 times, the service life is prolonged by 0.5-2 times, and the total continuous range is increased by 0.5-2 times; the requirements of the user on lowering of the battery replacing cost and increase of the continuous range are met practically at low cost.

Disclosed is a process for producing a substrate (9) which can be mounted in a light-emitting element, which comprises the steps of: applying a glass paste (33) comprising a powder of a glass material having a softening point that is higher than that of a glass component contained in a glass ceramic green sheet (11) and is lower than the melting point of silver onto silver or a conductive paste (22) mainly composed of silver which has been applied on the main surface of the glass ceramic green sheet (11), in such a manner that the silver or conductive paste (22) can be covered with the glass paste (33); and heating the resulting product to sinter the conductive paste (22) and also melt the glass paste (33), and then cooling the molten glass paste (33) to produce a transparent glass layer (3) that covers a metal layer (2) that has been formed by the sintering of the conductive paste (22). The use of the glass paste (33) enables the prevention of the occurrence of the reaction between silver contained in the conductive paste (22) and the glass component contained in the glass paste (33) upon the heating. Therefore, in the substrate (9), the metal layer (2) can be covered with the glass layer (3) that has high transparency.

The invention discloses an OLED array substrate, a manufacturing method of the OLED array substrate, a display panel and a display device. According to the main content of the manufacturing method, the technological process that a deposition technology is utilized three times to sequentially form an ITO layer, a metal layer and an ITO layer is avoided, and just by performing the deposition technology once, a first electrode with the reflection function and the functions of an anode can be formed with single metals and graphene doped according to a set mole ratio. While the technological process is reduced, oxidization and sulfifation of the single metals are avoided; moreover, single metal atoms in the first electrode are evenly distributed in the graphene structure, and thus the light reflectivity can be further improved effectively.

A conductive adhesive agent of the invention contains an elution preventing film-forming agent 4, which becomes reactive after electric continuity through a conductive particle 3 appeared in the conductive adhesive agent when a binder resin 2 is being hardened, to thereby form an elution preventing film 5 on a surface of the conductive particle 3. By using this conductive adhesive agent, the packaging structure is made migration resistant and sulfurization resistant.

The invention discloses a high-damping modified polyurethane material and a preparation method thereof. The method comprises the following steps: adding graphene to polyol, introducing a terminal -NCOgroup into the molecular chain of polyurethane, then adding hindered phenol to obtain a hindered phenol-terminated polyurethane prepolymer having a good storage stability, adding a fat curing agent,and performing room-temperature curing to obtain the high-damping polyurethane material. The damping performance of the high-damping polyurethane material is greatly higher than that of a polyurethanematerial, and the method has the advantages of simple process, low cost, and no need of additional processing devices or tedious steps, and has a great prospect in the preparation of the polyurethanematerial with a high damping performance.