956results about How to "Reduce aging speed" patented technology

The invention discloses a heterogeneous double-face fluorine-containing solar battery backboard comprising a fluorine film, an adhesive layer, a thin film layer, a primary coat and a coating layer connected in sequence. The fluorine film is a polyvinylidene fluoride film or a polyvinyl fluoride film; the adhesive layer is a polyurethane two-component adhesive; the thin film layer is a PET film; the primary coat is a polyurethane adhesive; and the coating layer is a coating paint formed by dispersing base resin and microparticles like polytetrafluoroethylene or polyvinylidene fluoride in a solvent. The invention also discloses a production technology thereof. The adhesive and a primary paint are applied on two surfaces of the thin film layer respectively, and the fluorine film and the coating layer are finally formed on the adhesive and the primary paint. The heterogeneous double-face fluorine-containing solar battery backboard combines a conventional compound type backboard with a coating type backboard, is low in production cost, alleviates aging speed, improves effective service life of the backboard, and simultaneously improves bonding intensity with an EVA backboard glue film.

The invention discloses a half-dry rice noodle and a preparation method thereof. The half-dry rice noodle comprises the following raw materials: rice, a starch mixture, a fresh fruit and vegetable paste mixture and a fruit and vegetable powder mixture and is prepared by the following steps of fermentation and preprocessing of the rice, mixing of all raw materials, twin-screw extrusion forming, aging, re-steaming, washing and cutting oof noodles, measuring and packing, post-sterilization, cooling and the like. The half-dry rice noodle prepared by the invention has the advantages of smooth and bright appearance, strong gluten power, good elasticity, natural flavor, long shelf time, clear finished product soup and the like, the breaking rate is controlled to be lower than 2%, and the loss rate of cooking is controlled to be lower than 4%. According to the half-dry rice noodle and the preparation method thereof, the problem of the existing rice noodle of single nutrition is solved; the ingredients rich in protein and vitamins are added in the formula, so that the product has comprehensive nutrients; in addition, any preservative, brightening agent and thickening agent are not added in the product, so that the product prepared by the preparation method has excellent taste and is nutrient and healthy.

The invention discloses solar photovoltaic panel dust clearing equipment. The equipment comprises a mounting frame whose upper surface is obliquely arranged, wherein a photovoltaic panel is arranged at the upper end of the mounting frame, a groove is formed in the upper end of the mounting frame, a reciprocating lead screw is rotationally connected to the side wall of the groove, a sliding block is in threaded connection with the reciprocating lead screw, a transverse plate which is obliquely arranged is fixedly connected to the side wall of the sliding block, and a clearing device for clearing the surface of the photovoltaic panel is mounted on the transverse plate. According to the equipment, through arrangement of fan blades fixedly connected to the side wall of the reciprocating lead screw, the fan blades can be driven to rotate when outside air blows, so that the reciprocating lead screw drives the sliding block to reciprocate back and forth, the transverse plate is driven to perform automatic clearing on the surface of the photovoltaic panel, a stretchable airbag fixed to the sliding block and the side wall of the groove is set, so that rainwater in a water tank is extruded into a cavity when the sliding block reciprocates back and forth, and water is sprayed on the surface of the photovoltaic panel through a water outlet hole for clearing.

The invention discloses a high toughness cement-based material-nonmetal fiber rib composite structure. According to the structure, a high toughness cement-based material is adopted as a base material, nonmetal fiber rib is adopted as directional reinforcing rib; the high toughness cement-based material comprises the following components in percentage by weight: 35% of cement, 45-55% of fly ash, 5-10 % of silicon ash and 5-10% of metakaolin; high-strength short fiber is one or more out of polyvinyl alcohol fiber, polyethylene fiber, carbon fiber and aramid fiber; the nonmetal fiber rib is carbon fiber reinforced plastic rib, aramid fiber reinforced plastic rib, glass fiber reinforced plastic rib or basalt fiber reinforced plastic rib. The invention further discloses applications and an application method of the high toughness cement-based material-nonmetal fiber rib composite structure. The high toughness cement-based material and the nonmetal fiber rib are utilized to reinforce the reinforced concrete structure, so that the bearing capacity and the durability of the structure are increased and the aging speed of the structure is reduced.

The invention discloses a method and device for controlling heating of a battery system. The method comprises receiving a battery preheating instruction which is used for instructing a preheating operation on the battery system of a target electric vehicle and comprises a driving start time when a driver will drive the target electric vehicle next time, responding to the battery preheating instruction to determine a heating start time, which is before the driving start time, for performing the preheating operation on the battery system, detecting whether a current time is up to the heating start time, and turning on a battery heating system to perform the preheating operation on the battery system of the target electric vehicle if the current time is up to the heating start time. The method and device for controlling the heating of the battery system solves the technical problem that the battery system is heated unreasonably in the related art.

The invention discloses a flexible charging method and charger of an electric car. The flexible charging method is characterized in that BMS data of the electric car is collected in real time during charging, the collected BMS data is compared with the target charging data, power conversion modules can be controlled to be adjusted, so as to achieve the optimum charging current until the end of charging. According to the flexible charging method and charger of the electric car, under the condition of meeting demands of users, proper dynamic charging current is output to charge the battery, the aging speed of the battery is decreased, and the service life of the battery is further prolonged.

The present invention discloses a method for manufacturing winding wires by corona resistant polyimide films, comprising the following steps: 1) alkaline solution processing; 2) cleaning and drying; 3) plasma processing at normal temperature; 4) coating resin latex; 5) baking and flowing and leveling; 6) withdrawing trays; 7) releasing copper flat wires; 8) folding packages; 9) high-frequency heating; 10) roll-up. With the present invention, after a surface chemical treatment and a normal temperature plasma treatment, the adhesion between the film and the copper conducting wires and between the films is firm, the mechanical strength is high. After being bent or stretched, the winding wire still has good adhesion performance and electric insulation performance, sealing and moisture resistant performance, heat resistant performance, and heat conduction performance. The thickness of the film is controlled between 0.03 and 0.038 mm. In the condition that the volume of a motor is not changed, the cross section of the conductor of the motor can be enlarged. The thermal resistance encountered during the period, when the heat generated during the running process of the motor is dissipated outward, is reduced. The insulation thermal aging speed is slowed and the service life of the motor is greatly prolonged.

The invention discloses silicon rubber for a high-temperature-resistant mold and a preparation method of the silicon rubber. The preparation method of the silicon rubber for the high-temperature-resistant mold comprises the steps of: adding raw high-temperature-resistant methyl vinyl phenyl silicon rubber in raw methyl vinyl silicone rubber, and cooperatively utilizing silicon resin and nanometer cerium oxide as heat resistant agents to better inhibit the oxidative aging of a molecular chain and slow down the high-temperature aging speed of the silicon rubber. Since the silicon rubber disclosed by the invention has good high-temperature resistance, a grinding tool manufactured by the silicon rubber is unlikely to crack in the application process, the mould overturning times of the grinding tool are greatly increased, the utilization efficiency of the grinding tool is improved, and the service life of the grinding tool is greatly prolonged.

The invention discloses a meteorologic balloon and a production method thereof. The raw materials consist of a solid raw material, an oily raw material and a gluey raw material; the solid raw material comprises the following components by weight: 0 to 0.30 portion of potassium hydroxide, 0 to 0.15 portion of casein, 0 to 0.10 portion of peregal O, 1.00 to 3 portions of sulfur, 1.00 to 2 portions of N-phenyl-2-naphthylamine, 1.00 to 2 portions of N-phenyl-N'-isopropyl-ursol, 1.50 to 3 portions of ethyl-phenyl-zinc dithiocarbamate, 0.20 to 5 portions of zinc oxide, and 5 to 30 portions of chloroprene polymer; the oily raw material is dioctyl sebacate, and the weight rate of the dioctyl sebacate is 5.00 to 10.0 portions; and the gluey raw material is centrifugally-concentrated natural latex, and the adding amount of the centrifugal concentrated natural latex is 100 portions. The weight of the meteorologic balloon is 1,600 to 1,700 grams, the length of the balloon body is 3.05 to 3.55 meters, the width of the ball handle is 10 to 11 centimeters, and the length of the ball handle is 12 to 16 centimeters. The meteorologic balloon can adapt to the requirement of probing high-altitude meteorological elements of more than 35,000 meters, has the advantages of good aging resistance, high blastoff height, long balloon service time and the like, and can effectively overcome the morning-evening difference.

The invention discloses an over-voltage over-current protector of electronic and electric equipment. The over-voltage over-current protector of the electronic and electric equipment comprises a power surge protective device SPD I, a surge voltage divider and a power frequency current protector, two ends of the power surge protective device SPDI are respectively connected with a live wire and a null line after a power supply distribution board access port and before a protected equipment port, the surge voltage divider is composed of an electric reactor A, a power surge protective device SPD II and an electric reactor B in a series mode, the electric reactor A at one end of the surge voltage divider is arranged on a live wire after the power surge protective device SPD I, the electric reactor B at the other end is arranged on a null line after the power surge protective device SPD I, and the power frequency current protector is composed of a PTC positive temperature coefficient thermistor, an NTC negative temperature coefficient thermistor and a TVS tube. The over-voltage over-current protector of the electronic and electric equipment has surge over-voltage limit and surge residual voltage division protection functions and power frequency over-voltage and over-current protection functions, enables the equipment fault rate to be reduced and enables the equipment aging speed to be lowered.

The invention discloses a production method of steamed bread made of coarse cereals, which is prepared by the following raw materials by weight proportion: 40-50 portions of medium-strength wheat flour, 40-50 portions of coarse cereals powder, 5-10 portions of soybean flour, 1-5 portions of konjak powder, 0.1-1 portion of the mixture of calcium stearyl lactylate and sodium stearyl lactate and 0.5 portion of yeast. The weight ratio of alcium stearyl lactylate to sodium stearyl lactate is 10:1-1:10.

The invention relates to a method for slowing down the aging of solid insulation of an oil-paper insulating transformer, which is used for slowing down the aging of solid insulation of the transformer and belongs to the technical field of insulation of power transformer. The method comprises the following steps of: (1) setting a control target value T + delta T of a constant value of winding hot spot temperature of the transformer; (2) measuring the winding hot spot temperature in the transformer operation; (3) according to the winding hot spot temperature of the transformer obtained through measurement, calculating the changing rate D/Dt of the winding hot spot temperature; and (4) comparing the winding hot spot temperature of the transformer obtained through measurement with the preset control target value T + delta T of the constant value of the winding hot spot temperature of the transformer, combining with the changing rate D/Dt of the winding hot spot temperature of the transformer obtained through calculation, and determining a cooling control system to input or output a cooling fan. The method controls a heat-removal system of the transformer and pursues the approximate constancy of the winding hot spot temperature of the transformer to reduce the relative motion of moisture between the oil-paper insulation of the transformer, so that the aging speed of the solid insulation of the transformer can be effectively slowed down.

Transformer oil comprises paraffin base oil fraction, naphthenic base oil, alkyl high boiling substances, antioxidant and photosensitivity resistant agents. In the transformer oil, the weight percentage of the paraffin base oil fraction ranges from 60% to 75%, the weight percentage of the naphthenic base oil ranges from 19.4% to 28.5%, the weight percentage of the alkyl high boiling substances ranges from 5% to 10%, the weight percentage of the antioxidant ranges from 0.5% to 1.0%, and the weight percentage of the photosensitivity resistant agents ranges from 0.1% to 0.5%. The invention further provides a preparation method for the transformer oil, and the preparation method includes adding the paraffin base oil fraction, the naphthenic base oil and the alkyl high boiling substances in a reaction kettle; adding clay in the mixture to refine; performing stirring, refining and adsorbing at high temperature; adding antioxygen additives and photosensitivity agents in the mixture after themixture is filtered; and performing vacuum treatment once to three times in a vacuum pump under negative pressure of 0.8KPa. The kinematic viscosity of the transformer oil is 6.5mm<2>/s-9.5mm<2>/s, and the breakdown voltage reaches 55-80KV/2.5mm.

The invention discloses a styrene butadiene rubber emulsion modifying agent which comprises the following components in parts by weight: 35-50 parts of hydroxyethyl methacrylate, 15-30 parts of alkyl resorcinol formaldehyde resin and 3-5 parts of hexamethoxy methyl melamine. The styrene butadiene rubber emulsion modifying agent disclosed by the invention is simple in preparation method and less in environment pollution, and can reduce the ageing speed of styrene butadiene rubber and greatly prolong the service life of the styrene butadiene rubber under the precondition that the rubber quality is ensured.

The invention discloses a pixel circuit, a driving method thereof and a display panel. The pixel circuit comprises a driving transistor, a first light-emitting control module, a light-emitting moduleand a black frame insertion control module, the first light-emitting control module is used for being turned off in part of time periods of a light-emitting stage under the control of a light-emittingcontrol signal, and the driving transistor is used for driving the light-emitting module to emit light when the first light-emitting control module is turned on. The black frame insertion control module is used for writing a preset voltage into the first electrode of the driving transistor under the control of a first scanning signal and the light-emitting control signal in the black frame insertion stage that both the first light-emitting control module and the data writing module are turned off, wherein in at least part of the time period of the black frame insertion stage, the voltage difference value between the gate voltage of the driving transistor and the preset voltage and the voltage difference value between the gate voltage of the driving transistor and the first electrode voltage being positive and negative when the driving transistor is turned on. According to the technical scheme, the problems of ghost shadows and driving current reduction can be solved.

The invention discloses a composite bamboo shoot fermenting agent and a preparation method of fermented bamboo shoots. The composite bamboo shoot fermenting agent contains monascus vinasse and liqueur koji. The preparation method of the fermented bamboo shoots comprises the following steps of: firstly, blanching bamboo shoots; and then, fermenting the bamboo shoots under the action of the composite bamboo shoot fermenting agent. Under the action of the composite bamboo shoot fermenting agent, aromatic substances, pigments, and the like in the vinasse are infiltrated in the bamboo shoot tissues. The prepared vinasse-processed bamboo shoots have the characteristics of unique fragrance and flavor, mellow and pleasant taste, elegant flavor, attractive color and rich nutrition. The preparation method can effectively prevent fresh bamboo shoots from aging, lessen the loss of nutrient contents, preserve the nutrient contents of the bamboo shoots and ensure the quality and the grade of the bamboo shoots. The fermented bamboo shoots prepared by using the method disclosed by the invention have appropriate proportions of liquor, sugar and acid, and have the advantages of low alcohol and sugar contents, stable resistance to acid and alkali, strong heat resistance and light resistance, stable resistance to oxidoreduction and favorable practical values and application prospects.

The invention discloses a combined construction structure which comprises first keels, second keels and an interlayer module; the adjacent two first keels and the adjacent two second keels form a square frame for installing the interlayer module; flanges which are integrated with the corresponding first keels and second keels are arranged on four inner side surfaces opposite to the square frame; elastic buckle-type profile U-shaped first external spacer bars which are laterally buckled onto the first keels, and elastic buckled-type profile U-shaped second external spacer bars which are laterally buckled onto the second keels are also arranged; one of the two buckles of the first external spacer bar of the first keel on the outermost side is buckled on the related flange, and the other is buckled in a first slot; and one of the two buckles on the second external spacer of the second keel on the outermost side is buckled on the related flange, and the other is buckled on a second slot. The combined construction structure has the advantages of good heat isolation and sound isolation effects, convenience and quickness in installation, simple process, good strength and rigidity of main keels, and low cost.

The invention relates to a polymer composition, and particularly relates to a modified polyformaldehyde composition. The modified polyformaldehyde composition comprises, by weight, 80-100 parts of polyoxymethylene, 10-15 parts of a conductive additive, 4-8 parts of a dispersing agent, 1-5 parts of a light-shielding agent and 0.2-0.5 part of an antioxidant, wherein the conductive additive is graphene. In the modified polyformaldehyde composition, the graphene is used as the conductive additive, so that the modified polyformaldehyde composition has good conductive performance; surface resistivity of polyformaldehyde is effectively reduced; and by adding other series of auxiliary agents, the obtained polyformaldehyde has strong anti-static capacity, good mechanical performance, ultraviolet resistance and strong thermal oxidation resistance.

The invention relates to a micro-grid scheduling method considering the variable depreciation cost of a lithium battery and a charge and discharge strategy. According to the relation between the cycling life and the discharge depth of the lithium battery, a variable depreciation cost model of the lithium battery depending on the discharge depth is built, the variable depreciation cost model is involved in a scheduling model target function enabling the operation cost of a micro-grid to be minimum so that economic management of the lithium battery is realized, the target function is shown in the description, wherein f refers to the operation cost of a micro-grid system, and deltaU<ST><k> refers to the variable depreciation cost of the lithium battery k in one-time charge and discharge cycling process. During solution, linearization equivalence of a charge and discharge power curve is performed in a typical charge and discharge strategy of the lithium battery, then the charge and discharge power curve is regarded as an allowed power limit value in an operation process of the lithium battery, and the typical charge and discharge strategy of the lithium battery comprises a two-segment charging process of constant current charging and constant voltage charging and a constant current discharge process. According to the method, excessive aging or depreciation of the lithium battery can be effectively prevented, the service lifetime of the lithium battery can be extended, and the overall operation cost of the micro-grid is reduced.

The invention discloses a novel healthcare fiber with multiple functional elements. The novel healthcare fiber comprises the following components in parts by weight: 60-85 parts of polyester master batches, 2-5 parts of anion powder, 1-2 parts of metal germanium particulate powder, 2-4 parts of far-infrared ceramic powder, 0.5-2parts of neodymium iron boron particulate powder, 0.2-4 parts of surfactant, 0.5-1 parts of dispersant and 0.1-0.3 part of coupling agent. According to the invention, the neodymium iron boron particulate powder generates magnetic lines of force to penetrate human acupuncture points to promote blood circulation; the far-infrared ceramic powder and the anion powder generate far-infrared rays which enable capillaries to expand, accelerate blood circulation and strengthen metabolism; electrons emitted by the anion powder are combined to generate anions, so that bactericidal effect is achieved; meanwhile, hydrogen can be captured, cell activation is promoted and ageing speed of skin is lowered, and human health is promoted; compared with the prior art, the novel healthcare fiber disclosed by the invention is richer in function, and further has the advantages of being low in material cost, good in fiber hand feeling and comfortable to wear.

The invention relates to the technical field of food processing methods, in particular to an anti-hardening white square rice cake and a production method for the anti-hardening white square rice cake. The anti-hardening white square rice cake is produced by taking glutinous rice flour, anti-hardening syrup, lard oil, modified maize starch and black sesame and the like as raw materials, and according to a certain formula, performing the following steps of: (1) checking materials; (2) making the glutinous rice flour; (3) frying the black sesame; (4) mixing; (5) beating; (6) stewing; (7) re-steaming; (8) cooling, re-moisturizing and slicing; and (9) packaging and the like. The anti-hardening white square rice cake not only keeps the characteristics that the conventional white square rice cake is moist, soft, frozen grease-like, sweet and delicious and the like; and compared with the conventional white square rice cake, the a quality problem of short-term hardening is avoided and a softness guarantee period is prolonged by 40-45 days.

The invention relates to an engine oil and fuel oil purifier. The engine oil and fuel oil purifier comprises an oil purifier main body, a base and an oil purifier cover, wherein the bottom part of the oil purifier main body is arranged in the middle of the base, the base is installed on a car body through installation holes I, the top part of the oil purifier main body is provided with an installation rim, the oil purifier main body and the oil purifier cover are installed together through bolts, installation holes II in the installation rim, installation holes III in the oil purifier cover and huts, an oil delivery pipe is perpendicularly arranged on the oil purifier cover, the distance from the bottom part of the oil delivery pipe to the bottom part of the oil purifier main body is 15-25mm, a plurality of groups of purification components are arranged in the oil purifier main body, and each group of purification components is formed by a filter screen purification layer, a purification particle purification layer and a purification sheet purification layer which are sequentially arranged from bottom to top. Compared with the prior art, the engine oil and fuel oil purifier has the advantages that solid impurities such as microorganisms, water, ferric oxide and dust in engine oil and fuel oil are effectively filtered and purified, the lubricating property of the engine oil and the full combustion rate of the fuel oil are improved, the service life of the engine is prolonged and the European automobile emission standard is surpassed.

The invention discloses natural compound modified asphalt and a preparation method thereof. The modified asphalt is prepared by utilizing the following materials according to the following weight parts: 30 parts to 95 parts of basic asphalt, 5 parts to 70 parts of Trinidad lake asphalt (TLA) and 1 part to 40 parts of rock asphalt. The method comprises the technical processes of: melting the basic asphalt at a temperature of 120 DEG C to 140 DEG C; melting the TLA at a temperature of 165 DEG C to 195 DEG C; and mixing the melted basic asphalt and the melted TLA and stirring the mixture of the basic asphalt and the Trinidad lake asphalt for 10 min to 50 min at ta temperature of 165 DEG C to 195 DEG C, and adding rock asphalt powder in the stirring process so as to obtain the finished product. The modified asphalt can improve temperature sensibility, increase the stability, deformation resistance, toughness, cracking resistance performance, anti-fatigue and cracking-resistant strength and durability, prolong the service life of the road and reduce the time for maintenance and overhaul and the maintenance cost; simultaneously the modified asphalt has excellent environment-friendly performance and can reduce pollution generated in the production process of a polymer modifier.