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472results about How to "Guarantee normal performance" patented technology

Method for preventing corrosion and marine creature fouling on ship propeller

The invention relates to a method for preventing corrosion and marine creature fouling on a ship propeller. Cathode protection, a ceramic insulating coating and a metallic antifouling coating are organically combined in the method. The method comprises the following steps of: removing scales on the surface of the copper alloy propeller, obtaining a uniform and rough surface, and spraying a metallic adhesive coating by adopting a thermal spraying method; preparing a metallic oxide ceramic insulating coating on the surface of the adhesive coating by adopting the thermal spraying method, wherein the ceramic insulating coating comprises single-component oxides such as Al2O3, Cr2O3 and the like and multi-component composite powder of TiO2 or SiO2 with low melting point; preparing the metallic antifouling coating on the ceramic insulating coating, wherein the metallic antifouling coating is made of pure copper or copper alloy with antifouling function; and meanwhile, performing cathode protection on the propeller. The ceramic and the metallic coating adopted in the method have higher bonding force and longer protection life, the current requirement of the ship cathode protection is reduced, the corrosion and marine creature fouling problems of the ship propeller can be simultaneously solved, and the ceramic and the metallic coating have obvious corrosion resistance and antifouling effect.
Owner:725TH RES INST OF CHINA SHIPBUILDING INDAL CORP

Automatic machining equipment for automobile brake disc

The invention relates to the technical field of automobile part machining, in particular to automatic machining equipment for an automobile brake disc. The automatic machining equipment comprises a conveyor, a base and a workbench; the automatic machining equipment further comprises a drill feeding mechanism, a drilling mechanism, a deburring mechanism, a feeding mechanism, wherein the feeding mechanism is arranged above the worktable through a second supporting frame in a sliding mode so as to carry out pushing treatment on the brake disc at a station, the feeding mechanism comprises a firstclamping assembly and a first sliding table, and the drilling mechanism comprises a drill bit, a first rotating assembly and two sets of first fixing assemblies; the deburring mechanism comprises a grinding assembly, a second rotating assembly and two sets of second fixing assemblies; and the feeding mechanism comprises a second clamping assembly and a second sliding table. The automatic machiningequipment for the automobile brake disc has the advantages that the excellent performance of the brake disc is ensured, meanwhile, the safety problem is solved, so that the accident occurrence is prevented, the deburring function is attached, so that the quality of the brake disc is improved, meanwhile, the machining efficiency is improved, and the enterprise income is increased.
Owner:安徽艾德河汽车部件有限公司

Ecological ditch with nitrogen and phosphorus removal function

InactiveCN106120679AHigh ecological valueImprove pollution self-purification abilityConstructionsSoil drainageWater flowNitrogen
The invention provides an ecological ditch with a nitrogen and phosphorus removal function. The ecological ditch with the nitrogen and phosphorus removal function comprises a quasi-three-smooth-side ditch body, a plurality of solid slow release carbon source packing pools and a lifting dam, wherein the solid slow release carbon source packing pools are located below the bottom of the quasi-three-smooth-side ditch body, and the lifting dam is located at the tail end of the ecological ditch in the water flow direction. On the whole, a construction method of the ecological ditch with the nitrogen and phosphorus removal function is developed by taking the problems of a traditional soil ditch and a traditional three-smooth-side cement hardened ditch into full consideration. On the basis that the normal drainage function of a farmland ditch is guaranteed, the functions of a soil adsorption part, a packing adsorption part, a plant adsorption part, a biodegradation part and other parts of the ditch are enhanced, the biological diversity of the farmland ditch is enriched, effective removal of nitrogen and phosphorus pollutants in farmland tail water is achieved, and the ditch is made to serve as a nitrogen and phosphorus pollutant treatment unit between the farmland tail water and a receiving water body.
Owner:SHANGHAI JIAO TONG UNIV

Fuel cell thermal management system with phase change heat storage and preheating functions

The invention discloses a fuel cell thermal management system with phase change heat storage and preheating functions. The fuel cell thermal management system comprises a heat pipe heat exchange part,a liquid path preheating loop, a liquid path heating loop, a gas path preheating loop and a gas path heating loop, wherein the heat pipe heat exchange part is embedded into a heat pipe in a polar plate to exchange heat with an external liquid path, a first phase-change heat exchanger is connected with a liquid path, a second phase-change heat exchanger is simultaneously connected with a gas pathand the liquid path, the liquid path preheating loop heats the liquid path through the first phase change heat exchanger, the gas path preheating loop heats the gas path through the second phase change heat exchanger to jointly preheat a fuel cell, waste heat of a fuel cell in the liquid path heating loop accumulates heat for the phase change heat exchanger or heats a lithium battery and a passenger compartment, the gas path heating loop indirectly heats inlet gas through cooling liquid. The fuel cell thermal management system is advantaged in that the waste heat of the fuel cell can be storedin the phase change heat exchanger and used for preheating the fuel cell through a liquid path and a gas path or for heat preservation of the fuel cell, in addition, the waste heat of the fuel cell can heat intake air, a lithium battery or a passenger compartment, and the energy utilization rate is increased.
Owner:JILIN UNIV

Vegetable straw microbial organic fertilizer and preparation method thereof

The invention relates to vegetable straw microbial organic fertilizer. The vegetable straw microbial organic fertilizer comprises the following components in parts by weight: 60 to 90 parts of vegetable straw, 0.1 to 0.2 part of urea, 10 to 20 parts of inoculums, 20 to 30 parts of turfy soil, and 0.5 to 1.0 part of a microbial agent. The vegetable straw is crushed and is then mixed with the urea and inoculums according to certain ratio, and short time high-temperature anaerobic biogas fermentation is performed. The mixture is mixed with the turfy soil after fermentation, and aerobic compostingis performed. The microbial agent is added at the later stage of composting, and composting is performed continuously for a certain time, so that the vegetable straw microbial organic fertilizer is obtained. The vegetable straw microbial organic fertilizer contains various microorganisms helpful for promoting the growth of plants, improving soil, eliminating peculiar smell and restraining harmfulbacteria, and can greatly improves the added value of products. The vegetable straw microbial organic fertilizer takes vegetable straw which is rich in resources in vegetable industry concentration areas and huge in storage as the main material, is clear and intelligible in technical process, does not pollute the environment, is good in product fertilizer efficiency and high in additional value,and can effectively solve the problems of harmless treatment and resource utilization of vegetable straw. The vegetable straw microbial organic fertilizer has a wide popularization prospect in vegetable industry concentration areas, and has good ecological and economic value.
Owner:INST OF AGRI RESOURCES & ENVIRONMENT SHANDONG ACADEMY OF AGRI SCI

Dual-clutch automatic transmission of automobile

The invention provides a dual-clutch automatic transmission of an automobile, belongs to the field of mechanical engineering, and solves the problems of a current transmission of complex structure and messy layout caused by the fact that the current transmission comprises a plurality of associated toothed wheels. The dual-clutch automatic transmission comprises seven forward gears and a reverse gear, as well as a clutch I, a clutch II, a solid input shaft, a hollow input shaft, a first forward shaft, a second forward shaft, a reverse shaft and a compensating gear with a main speed-down gear ring, wherein four forward gear toothed wheels are arranged on the second forward shaft in a positioning manner, and are meshed with four driving toothed wheels on the solid input shaft and the hollow input shaft in a one-to-one correspondence manner; and a reverse gear toothed wheel is arranged on the reverse gear in a positioning manner. The dual-clutch automatic transmission of the automobile only comprises five gear-driven assistant layers, and at least two gear-driven assistant layers are omitted, so that layout size in the axial direction of a gear-driven part is maximally shortened, and the loadable performance of the automatic transmission can be effectively ensured.
Owner:ZHEJIANG GEELY AUTOMOBILE RES INST CO LTD +1

System and method for realizing automatic failure compensation for power battery

The invention discloses a system for realizing automatic failure compensation for a power battery and realizes automatic compensation on an invalid unit of the power battery. The system comprises a battery module pack and a battery module control unit; the battery module pack comprises multiple battery units connected in series or in parallel, each battery unit comprises a first branch circuit, a second branch circuit and a switch control module, and each first branch circuit comprises a battery module; the battery module control unit is used for marking the battery units as working battery units or reserved battery units, and detecting the working state of one working battery unit and judging that the current working battery unit is invalid or not, if so, the invalid working battery unit is marked as an invalid battery unit, and any of the reserved battery unit as the working battery unit; a control instruction is transmitted to the working battery unit, the second branch circuit of the working battery unit is enabled to be switched off, and the first branch circuit of the working battery unit is enabled to be switched on; a control instruction is transmitted to a reserved battery unit, the first branch circuit of the reserved battery unit is enabled to be switched off, and the second branch circuit of the reserved battery unit is enabled to be switched on; and a control instruction is transmitted to the invalid battery unit, the first branch circuit of the invalid battery unit is enabled to be switched off, and the second branch circuit of the invalid battery unit is enabled to be switched on. The invention also discloses a method for realizing automatic failure compensation for the power battery.
Owner:WEICHAI POWER CO LTD

Drug cigarette and processing method thereof

InactiveCN101711601ARetentionReduce the impact of cigarette aromaTobacco treatmentPlant ingredientsEnvironmental healthChinese herbology
The invention discloses a cigarette product containing Chinese herbal medicine components and a processing method thereof, aiming at the defects that the traditional Chinese medicine theory is not used perfectly by the Chinese low harm cigarettes and real harmony of cigarette and medicine is not realized in the product in prior art so as to provide a drug cigarette and a processing method thereof. A common blended cigarette is optimized and improved in the four aspects of tobacco leaf formulation, burley casing formulation, full tobacco leaf charging formulation and added Chinese prescription, and the final drug cigarette is obtained by combing the special operation methods in the processing procedure of cigarettes when the traditional Chinese medicine is added. Compared with the prior art, the product in the invention has the advantages of performing the functions of conditioning, heath care and treatment of Chinese herbal medicine on the basis of maintaining the color, fragrance andtaste of the original cigarette, reducing or alleviating harm of smoking and improving self immunity of smokers; the product has simple operation of the processing method and easy combination with the common cigarette production technology, thus having economic technology cost and ensuring the reservation and performance of medicinal materials to the utmost.
Owner:SICHUAN AGRI UNIV

Novel electrolyte of lithium-ion battery and preparation method thereof

The invention discloses novel electrolyte of a lithium-ion battery and the preparation method thereof. When the negative pole piece of the lithium-ion battery is in a high voltage state, the electrolyte comprises the following raw material components by weigh percentage: 75 to 85 percent of organic solvent, 10 to 15 percent of lithium salt and 5 to 10 percent of additive, wherein the additive comprises an organic compound, which can form a good SEI (Solid Electrolyte Interface) film in the battery; and the amount of the added organic compound is 0.1 to 3 percent of the total weight. The preparation method comprises the following steps: a, providing a glove box filled with argon, of which the concentration of H2O is less than 100 ppm; b, weighing the organic solvent, the lithium salt and the additive according to corresponding weight; and c, adding the organic solvent, the lithium salt and the additive into the glove box sequentially, and then stirring sufficiently and uniformly to obtain the electrolyte of the lithium-ion battery. According to the invention, after the organic compound is added, the infiltration effect of the electrolyte to high voltage real negative pole material is improved, and in addition, a good SEI film can be formed by the electrolyte to improve the stability of the electrolyte.
Owner:DONGUAN KAIXIN BATTERY MATERIAL

Buckling-proof steel plate shear wall with end columns and construction method thereof

The invention relates to a buckling-proof steel plate shear wall with end columns and construction method thereof. The buckling-proof steel plate shear wall comprises a steel structural framework consisting of a left upright column, a right upright column, an upper cross beam and a lower cross beam, wherein a buckling-proof steel plate wall connected with the upper cross beam and the lower cross beam is arranged inside the steel structural framework; the buckling-proof steel plate wall consists of an embedded steel plate in the middle and reinforced concrete cover plates on the two sides; the upper side and the lower side of the embedded steel plate are connected with the upper cross beam and the lower cross beam through an upper fish plate and a lower fish plate respectively; the two sides of the embedded steel plate are connected with a left end column and a right end column through a left fish plate and a right fish plate respectively; column connecting keys and connecting plates are arranged at the upper and lower ends of the end columns respectively; beam connecting keys are arranged on the left and right sides of the bottom side of the upper cross beam respectively; the column connecting keys at the upper ends of the left end column and the right end column are connected with the beam connecting keys of the upper cross beam through bolts respectively; the connecting plates at the lower ends of the left end column and the right end column are connected with the lower cross beam respectively. According to the invention, a stable boundary condition is provided for the steel plate shear wall, and the load-bearing performance and the energy-dissipating capacity of the steel plate shear wall are improved.
Owner:FUZHOU UNIV +1

Online automatic ineffectiveness warning system for diesel particulate filter and control method

The invention provides an online automatic ineffectiveness warning system for a diesel particulate filter and a control method. A microcontroller is connected with a data collecting unit used for collecting vehicle information, a GPS communication module used for receiving longitude and latitude information of a vehicle and vehicle speed information, a RTC module used for calculating time information, a data storage module used for analyzing and storing the vehicle information and a warning indication lamp control module used for conducting warning. The data storage module is further connectedwith a GPRS communication module and is used for sending the data information of the vehicle to an external data monitoring platform online in real time through the GPRS communication module. Throughcollection and analysis of the data of engine rotation speed, downstream exhaust temperature of the diesel particulate filter and the exhaust back pressure, whether the DPF normally works or not is monitored, and when the DPF is ineffective, an alarm is given in time; the online automatic ineffectiveness warning system for the diesel particulate filter can judge whether the diesel particulate filter, all the temperature sensors and all the pressure sensors normally work or not, the alarm is automatically given when corresponding components are ineffective, and therefore the quantity of particulates and the fuel consumption of a diesel engine are effectively reduced.
Owner:CHINA AUTOMOTIVE TECH & RES CENT

Air conditioner current protecting method and air conditioner

InactiveCN108592330ASegment protection control is reasonable and meticulousReduce instabilityMechanical apparatusSpace heating and ventilation safety systemsPower flowStop time
The invention discloses an air conditioner current protecting method. The method specifically comprises the steps of determining whether the air conditioner is in a refrigerating mode/ a heating modeafter the air conditioner is started to run; detecting the environmental temperature, the input voltage and the working current; determining whether the working current reaches the current protectingvalue which is matched with the environmental temperature range and the input voltage range based on the environmental temperature range and the input voltage range which are corresponding to the environmental temperature and the input voltage; and controlling a compressing mechanism to perform at least one of the following operations to realize current protecting: maintaining the frequency/ decreasing the frequency by one preset value F/ controlling the compressor to stop, and restarting after passing the preset stop time. According to the method, the environmental temperature and the input voltage are treated as the determining conditions, and the sectional protection is reasonable and fine; the current control stability is improved; the operation risk is reduced; the use comfort is improved; and the performances of the air conditioner can be effectively played.
Owner:四川长虹空调有限公司
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