84results about How to "Improve the conditions of use" patented technology

The controlling device thereof comprise a live wire connector, a earth wire connector, a load current outputting end, a power circuit, a brightness sampling circuit, a setting circuit, a zero-cross sampling circuit, a single-board and a controllable silicon output circuit. The method thereof comprises: the single board processes the brightness signal and compares the brightness value with a pre-set value; if the brightness value is higher than the pre-set value, then it is confirmed to be at daytime; not providing power for the load; if the brightness is less than the pre-set value, it is confirmed to be at night time; starting up the night main control program to control controllable silicon output circuit to provide 100% power supply for the load; when reaching a energy-saving time, the controllable silicon output circuit is controlled to provide a certain percentage power supply for the load.

The invention aims to provide a diesel engine sequential supercharging structure and a control method thereof. The diesel engine sequential supercharging structure comprises a diesel engine, air inlet pipes, exhaust pipes, turbochargers, an air vent valve, an air valve and a gas valve, the turbochargers comprises a basic turbocharger and a controlled turbocharger; the air inlet pipes comprise an A column of air inlet pipes, a B column of air inlet pipes, a compressor connected with the basic turbocharger and a compressor connected with the controlled turbocharger; the exhaust pipes comprise an A column of exhaust pipes, a B column of exhaust pipes, a turbine connected with the basic turbocharger and a turbine connected with the controlled turbocharger; the A column of exhaust pipes and the B column of exhaust pipes are communicated through exhaust connecting pipes; the gas valve is installed on the B column of exhaust pipes; the air valve and the air vent valve are installed on the B column of air inlet pipes; and the air vent valve is located between the air valve and the compressor of the controlled turbocharger. According to the invention, a phenomenon of zero flow with non-zero rotating speed of the compressor can be avoided; surge phenomenon of the superchargers can be eliminated; and usage conditions of the supercharger are improved effectively.

The invention discloses a method and a system for remotely monitoring a communication network storage battery, which mainly solve the problem that the service life of the storage battery is influenced because the workload of the communication network storage battery is large and the manual maintenance is not easy in place, can synchronously control the storage batteries of a plurality of substations to automatically charge and discharge, have high working efficiency, save labor force, and prolong the service life of the storage battery. The system comprises a rectification module of each communication substation, and is characterized by also comprising a discharge load, a power supply monitoring unit, a storage battery routing inspection device, a substation communication server, a main station communication server and a remote computer, wherein the discharge load is arranged at the communication substation and used for connecting with the communication substation to accelerate the discharge of the storage battery; the power supply monitoring unit is used for controlling one of the rectification module and the discharge load to be switched on with the battery and monitoring the charge / discharge voltage of the battery; the storage battery routing inspection device is used for acquiring charge / discharge state running parameters of the storage battery; and the substation communication server and the main station communication server are used for realizing that the remote computer receives the data acquired by the power supply monitoring unit and the storage battery routing inspection device and sends remote control commands to the power supply monitoring unit.

The invention aims to disclose a hybrid electric vehicle battery life optimization method considering a battery health state. The control method comprises two parts: a driving mode recognition moduleand a battery life optimization method. For the plug-in hybrid electric vehicle, the sum of the fuel consumption cost of each stage and the battery life attenuation cost considering the battery healthstate is taken as an optimization objective function, and solving is conducted based on a dynamic programming algorithm; the driving characteristic parameters are trained by adopting a random forestmodel to realize the identification of driving modes, a neural network controller isrespectively trained by utilizing corresponding optimization results under each driving mode, and a corresponding neural network-based energy management control strategy isestablished to realize the optimization of the service life of the battery. According to the method, real-time optimization of the service lifeof the battery is achieved, the driving mileage of the whole vehicle is increased, the fuel economy of the whole vehicle is guaranteed, meanwhile, the service life of the battery is prolonged, and theuse cost of the vehicle is reduced.

The inorganic sol for dipping refractory material and carbon material consists of SiO2 3-50 wt%, Al2O3 2-50 wt%, B2O3 0.01-50 wt% and H2O2 5-70 wt%. It has nanometer level grain size after drying, high flowability, automatic solidification, and no bursting and cracking in drying and sintering. The dipped refractory material may be used after being dried in normal temperature, and at high temperature, one stuffing phase combined stably with inorganic material may be formed to raise the strength of the refractory material. The dipped carbon material has improved antioxidant performance and antiwear performance.

The invention relates to the field of hydro-refining catalysts, in particular to a supported Co-MoS2 / LDHS hydro-refining catalyst prepared by ionic liquid. A compound material has the structures and the performance advantages of cobalt-molybdenum disulfide and hydrotalcite; in a synthetic system, the vulcanization processes of a vulcanizing agent and a molybdate precursor are eliminated, and the dispersing property of molybdenum disulfide is directly improved from raw material control together with solvent effect; the catalyst has good heat resistance, compression resistance and thermal stability.

The invention discloses a cast steel roller which comprises an alloy outer layer and a core part, wherein the alloy outer layer comprises the following chemical components by weight percentage: 1.50-2.20% of C, less than or equal to 0.060% of Si, 0.40-1.20% of Mn, less than or equal to 0.030% of P, less than or equal to 0.025% of S, 3.00-8.00% of Cr, 0.00-1.50% of Ni, 2.00-8.00% of Mo, 2.00-9.00% of V, 0.00-3.00% of W, 0.00-0.85% of Nb, 0.00-1.20% of Al, and the balance of Fe, and the core part comprises the following chemical components by weight percentage: 2.8-3.4% of C, 1.8-2.6% of Si, 0.3-0.6% of Mn, less than or equal to 0.08% of P, less than or equal to 0.03% of S, and 0.04-0.06% of Mg. The cast steel roller adopts the alloy outer layer and the core part comprising the above components, is good in wear resistance and obdurability, high in accident resistance, and long in service life, and can avoid rolling accidents; the alloy outer layer and the core part can be sufficiently bonded metallurgically; the use amount of elements with higher adverse effects in use is decreased; the production cost is lowered; and using conditions are improved.

The invention discloses a serial connection type petroleum pipeline filtering device. The serial connection type petroleum pipeline filtering device comprises a multi-grade filtering inner core and a single-grade filtering inner core, wherein the outer part of the multi-grade filtering inner core is provided with an upper-grade filtering pipe section and is communicated with a low-grade filtering pipe section at the outer part of the single-grade filtering inner core through the pipe section; the inner part of the multi-grade filtering inner core is internally and vertically provided with three paths of net hole type filtering nets; a filtering groove is formed above the inner part of the single-grade filtering inner core; a layer of a filtering net is respectively and additionally arranged in each one of respective end ports of the engaged part of the upper-grade filtering pipe section and the low-grade filtering pipe section. The serial connection type petroleum pipeline filtering device disclosed by the invention has the beneficial effects that a serial connection type double-core structure is arranged to filter and filtering structures are respectively vertically and horizontally arranged inside the two inner cores; meanwhile, a filtering structure is additionally arranged at the engaged part of outer part pipe sections of the two inner cores, so that the aim of running water form filtering is realized; the serial connection type petroleum pipeline filtering device has the advantages of reasonable structure, convenience and practicability, strong filtering effect and the like, and is capable of filtering petroleum by layers and capable of providing convenient use conditions.

The invention provides a device for driving a bogie of an electric locomotive. One side of a big gear of a transmission gear box is provided with a brake gear shaft and an independent brake shaft parallel to the central line of a wheel counter shaft; a brake disc is arranged on the brake shaft, so as to realize brake of a shaft disc. The device comprises the components of a traction motor, a six-connecting rod disc-shaped coupler, a disc-shaped brake and the like, wherein one end of the independent brake shaft is connected with the brake gear shaft of the transmission gear box through the six-connecting rod disc-shaped coupler; and the other end of the independent brake shaft is supported on a bracket of the brake shaft fixedly connected with the motor through the bearing. The device for driving a bogie of an electric locomotive provided by the invention can be used for effectively solving the problem that the brake disc is difficult to assembly and disassembly, simultaneously reducing the unsprung weight, lowering the action applied force of a wheel rain, and improving the vertical dynamical property of the high-speed bogie, and is mainly used in powered bogies.

The invention discloses an electric tool sharpener comprising a base. The electric tool sharpener is characterized in that a motor base is fixed on one side of the base; a motor is arranged on the motor base and is provided with a motor shaft; the motor shaft is connected with two transmission tool sharpening sets respectively; each transmission tool sharpening set comprises a transmission shaft, an eccentric shaft and a sharpening stone; the motor shaft is connected with the eccentric shafts through the transmission shafts respectively; the sharpening stones are arranged on the eccentric shafts; a support is arranged on one side, away from the motor, of the base; a sharpening-stone clamp is fixed at the top of the support; the transmission tool sharpening sets are symmetrically arranged on two sides of the sharpening-stone clamp which is adjusted through an adjusting screw; the motor base is a rubber cushion. The electric tool sharpener has the advantages of simple and elegant structure, convenience in use, high safety, stable working performance, capability of assisting in working efficiency improvement, good tool sharpening effect and low cost.

The invention discloses a method of producing high-performance modified asphalt by utilizing mineral powder recovered by an asphalt mixing station as well as pyrolytic oil and rubber powder of a waste tyre and a product of the method. The high-performance modified asphalt is prepared from the following components in percentage by weight: 40-50 percent of petroleum asphalt, 15-20 percent of the waste mineral powder, 25-30 percent of the waste tyre pyrolytic oil, 2-5 percent of petroleum resin, 4-10 percent of a styrene-butadiene-styrene block copolymer and 2-5 percent of styrene-butadiene rubber. The method is simple and easy in process and liable to realize; as for the prepared high-performance modified asphalt product, compared with the traditional conventional modified asphalt material, the softening point greatly raises, the low-temperature performance is good, the viscosity ratio is also lowered compared with rubber asphalt, the high-performance modified asphalt can be widely used for pavements in various grades by replacing other asphalt materials, and a great quantity of solid wastes are used when the using performance of the pavements is remarkably improved, so that petroleum resources are saved, the environment is protected, the cost is also lowered, and the high-performance modified asphalt is beneficial to being widely popularized and applied.

A refractory material inorganic composite dipping treatment solution comprises 5-45wt% of SiO2, 5-45wt% of Al2O3, 1-30wt% of B2O3, 10-30wt% of Cr2O3, and 20-60wt% of H2O. The solution is an inorganic material sol, and the granularity of the dried sol is nanometer level; the sol has good fluidity; and the sol automatically solidifies after a certain time, and does not explode or crack in the drying and sintering process. A product dipped in the high-fireproof phase sol can be used after being dried at normal temperature, and can form a stable inorganic material at high temperature, which can be combined with a filling phase, so the dipped refractory material product has increased strength and a compact structure; and the oxidation resistance and the wear resistance of a carbon product are improved. The solution has the advantages of easy operation, obstruction of pores, increase of the density and the strength of the material, improvement of the oxidation resistance and the thermodestruction resistance of the material, and service life prolongation.

The invention discloses an electricity generation energy dissipation braking type automobile retarder. The retarder is similar to a common eddy current retarder in profile. The retarder is internally composed of stators, rotors, a stator body, an energy dissipation device arranged outside the retarder and the like. Dual rotor discs of the retarder are circular discs which are both provided with polarity magnets. The stators of the retarder are disc windings. According to the working principle, the rotor discs of the retarder are provided with the permanent magnets, and the rotors are driven by a transmission shaft to rotate to form a rotating magnetic field; coils on the stators are cut through the rotating magnetic field and generate electricity to generate electromotive force, the electromotive force is applied to the energy dissipation device arranged outside the retarder, the inertia kinetic energy is converted into heat energy to be dissipated in the energy dissipation device, the purpose of retarding is achieved, the risk that the rotors of the retarder are overheated can be avoided, and the power of an automobile generator and a storage battery does not need to be increased. The electricity generation energy dissipation braking type automobile retarder can be arranged at the output shaft end of a speed changing device, or between transmission shafts or at the input shaft end of a drive axle.

The invention discloses a foldable umbrella holder. The foldable umbrella holder comprises an umbrella holder body, and is characterized in that the umbrella holder body comprises an upper umbrella holder supporting rod and a lower umbrella supporting rod, wherein the upper umbrella holder supporting rod is movably connected with the lower umbrella holder supporting rod through an umbrella holder central shaft, the upper umbrella holder supporting rod is provided with an umbrella barrier frame, umbrella hanging hooks are arranged in the umbrella barrier frame in an encircling manner, the umbrella barrier frame is connected with the upper umbrella holder supporting rod through bearings, the center of the umbrella barrier frame is provided with an umbrella barrier frame central shaft, the lower umbrella holder supporting rod is provided with a water storage groove, the water storage groove is connected with the lower umbrella holder supporting rod through bearings, the center of the water storage groove is provided with a water storage groove central shaft, a handle is formed between the umbrella barrier frame and the top of the upper umbrella holder supporting rod, and supporting feet are arranged between the water storage groove and the bottom of the lower umbrella holder supporting rod. The foldable umbrella holder has the advantages of foldability, convenience in carrying, ingenuity in shape, reasonability in structure, simplicity in operation, convenience, practicability and capability of maintaining the dryness, cleanliness and sanitation of the ground and providing convenient application condition to a user.

The invention relates to the field of hydrocracking catalysis, in particular to a preparation method of a supported Pt-MoS2 / LDHS hydrocracking catalyst. An obtained composite material has the advantages of the structure and performance of platinum-molybdenum disulfide and hydrotalcite, in a synthesis system, the vulcanization process of a vulcanizing agent and molybdate precursor is omitted, the raw materials are controlled directly, and the composite material is assisted by a solvent effect, thereby improving the dispersity of nano molybdenum disulfide, and the catalyst has good heat resistance, crushing resistance, higher cracking rate and heat stability.

The invention relates to the field of purification of polypeptide drugs, in particular to a purification preparation method for synthesizing semaglutide by a solid-phase fragment method. According tothe preparation method, column chromatography is combined with a membrane separation technology to obtain higher product purity and yield and solve the technical problem of large-scale preparation atpresent. The preparation method comprises the following steps: dissolving crude semaglutide synthesized by a solid-phase fragment method into an acetic acid aqueous solution; filtering by using a ceramic membrane, separating and purifying by using a reversed-phase C8 filler, collecting a semaglutide fraction, recovering the organic solvent at low temperature and reduced pressure to obtain a purified solution of semaglutide, removing salt and redundant acid radical ions by using a membrane system, further concentrating to a concentration suitable for freeze-drying, freeze-drying and packaging to obtain a high-quality semaglutide raw material.

The invention discloses a double-pipe petroleum screen comprising two inner filter cartridges below a petroleum pipeline. A distribution pipe led out from the petroleum pipeline is connected to the upper end of each inner filter cartridge. A collecting pipe is connected to the lower end\ of each inner filter cartridge through a branch pipe and is connected with a filter pipe. A rotary filter ball is mounted in each filter pipe through a rotary shaft. In addition, a primary filter mesh and a secondary filter mesh are sequentially disposed in each inner filter cartridge from top to bottom, while the secondary filter mesh is disposed in the center of the inner filter cartridge. The double-pipe petroleum screen has the advantages that distribution and screening prior to mix-filtering is achieved; the double-pipe petroleum screen is reasonable in structure, handy, practical, effective in filtering, and capable of filtering petroleum layer by layer and making usage convenient; during use, through the different filter structures, sand in petroleum can be filtered completely and functions of piping can be given to normal play.

An adjustable open spanner comprises two iron plates, wherein nut occlusion ports are correspondingly formed in one ends of the two iron plates, a screw rod penetrates through the other ends of the two iron plate, an adjustment nut is arranged on the screw rod, a connecting rod is longitudinally inserted into the end, near the occlusion ports, of the iron plates, and the connecting rod is connected with the screw rod through a V-shaped lever. The adjustable open spanner has the advantages of being ingenious in structure, convenient to use, practical and the like.

A housing type golf simulation apparatus and features the housing that the internal space is available having front, rear, upper and left / right side; monitor installation section which is provided backward in the rear side direction from the said front housing so that the monitor can be seated in the said front housing; golf simulation computer which is provided in the said internal space; and the monitor to be seated in the said monitor installation section. Thus, it is advantageous to implement various additional functions in the housing while installing, managing and moving the entire golf simulation apparatus in an integrated module.

The invention discloses a green catalytic synthesis method for N-(phenylimino)indazole-1-thioamides, which belongs to the technical field of organic synthesis. In a synthetic reaction, a mol ratio of aromatic aldehyde to dithizone to 5,5-dimethyl-1,3-cyclohexanedione is 1: 1: 1, the molar weight of a Mucopolysacchariden Bronsted acidic ionic liquid catalyst is 20 to 50% of that of aromatic aldehyde, reaction temperature is 80 to 100 DEG C, and reaction time is 25 to 60 min; after the reaction, ice water is used for cooling, pumping filtration is carried out, and a filter residue undergoes separation by a silica gel chromatographic column so as to obtain pure N-(phenylimino)indazole-1-thioamides. Compared with other methods using ionic liquid as a catalyst for synthesis of indazoles, the method provided by the invention has the characteristics of good catalytic activity, a small application amount of the catalyst, a small loss amount of the catalyst in cyclic usage of the catalyst, easy biodegradation of the catalyst, convenient industrial large-scale production, etc.

A housing type golf simulation apparatus and features the housing that the internal space is available having front, rear, upper and left / right side; monitor installation section which is provided backward in the rear side direction from the said front housing so that the monitor can be seated in the said front housing; golf simulation computer which is provided in the said internal space; and the monitor to be seated in the said monitor installation section. Thus, it is advantageous to implement various additional functions in the housing while installing, managing and moving the entire golf simulation apparatus in an integrated module.

The invention discloses a waterborne epoxy anticorrosive coating for the inner wall of a petroleum storage tank in a medium environment and a preparation method of the waterborne epoxy anticorrosive coating, and belongs to the technical field of petrochemical engineering protection. The coating comprises a component A and a component B; the component A is prepared from the following raw materials in parts by weight: 8 to 13 parts of deionized water, 0.5 to 1.5 parts of a wetting dispersant, 0.1 to 0.3 part of a defoaming agent, 0.1 to 0.5 part of an anti-settling agent, 5 to 10 parts of a pigment, 10 to 20 parts of precipitated barium sulfate, 50 to 60 parts of waterborne epoxy emulsion A, 3 to 5 parts of waterborne epoxy resin B, 3 to 5 parts of modified hexagonal boron nitride, 0.1 to 0.2 part of a defoaming agent, 0.1 to 0.3 part of a flatting agent, 0.1 to 0.3 part of a base material wetting agent, 1-3 parts of an anti-flash rust agent and 0.5-1 part of a thickening agent; the component B is prepared from the following raw materials in parts by weight: 20-35 parts of deionized water, 5-10 parts of propylene glycol butyl ether and 60-70 parts of a waterborne epoxy curing agent; and the mass ratio of the component A to the component B is (4-6):1. The coating disclosed by the invention has excellent hot water resistance, acid and alkali resistance and salt spray resistance, and can form a film at 0 DEG C, so that the use condition of the waterborne epoxy resin coating is improved.

The invention discloses a multi-stage filter for oil wells. The multi-stage filter comprises a shell. Two filter tubes are mounted on the outer-side wall face of the shell. A rotary filter ball is mounted inside each filter tube through a rotary shaft. A cover is disposed at the outer end of each filter tube. A mesh type filter strip is added in a cavity between each rotary filter ball and the corresponding cover. A secondary filter screen is horizontally disposed at the center in the shell. A primary filter screen is disposed in a filter cavity above the second filter screen. An oil outlet pipe with a valve is connected to the lower end of the shell. By the various filter structures such as the filter balls, the filter strips and the filter screens, the multi-stage filter is reasonable in structure, convenient, practical, high in filter effect, capable of filtering petroleum in a layered manner, and capable of providing convenience in use.

The invention discloses a tool sharpener capable of automatic cleaning and good in cooling effect. The tool sharpener comprises a shell and is characterized in that the shell is internally provided with a motor which is provided with a spindle, the spindle penetrates the shell, the end of the spindle, arranged on the periphery of the shell, is connected with a sharpening blade, a sharpening blade support is arranged between the sharpening blade and the shell, a sharpening blade sleeve is arranged on the periphery of the sharpening blade, one side of the sharpening blade sleeve is arranged with a sharpening opening, a cleaning brush is arranged between the sharpening blade and the inner wall, away from the sharpening opening end, of the sharpening blade sleeve, and a cooling water changing pipe is arranged on the inner wall of the shell. The tool sharpener has the advantages of being cleaning automatically, good in cooling effect, concise and tasty in structure, convenient to use, high in security, stable in operation performance, higher in operating efficiency, good in sharpening effect and low in cost, and convenient using conditions are provided for users.

The invention discloses a novel hermetic petroleum filter unit comprising an inner filter cartridge. A petroleum inlet pipe and a petroleum outlet pipe are disposed at the top and bottom of the inner filter cartridge respectively. A seal steel shell is mounted outside the inner filter cartridge and a seal ring is sleeved at the connection position of the top of the seal steel shell with the petroleum outlet pipe. A conical base is mounted at the bottom of the seal steel shell. Two filter nets are sequentially arranged in the inner filter cartridge from top to bottom, and two distribution pipes are connected to two sides of the inner filter cartridge below the secondary filter net. The novel hermetic petroleum filter unit has the advantages that the inner filter cartridge is added for the petroleum filtering process and is used with the outer seal steel shell and the conical base, so that sealing performance can be improved, the novel hermetic petroleum filter unit is reasonable in structure, handy, practical and effective in filtering and conveniences are provided for use; during use, after the novel hermetic petroleum filter unit is connected to a petroleum pipe, petroleum entering the pipe can enter the filter unit from the surface of the pipe before flowing out, and sand in the petroleum can be filtered by the layers of filter nets.

The invention discloses a melt purifying agent for vacuum melting of a magnesium-aluminum alloy melt and a preparation method thereof. The purifying agent is prepared from the following components in percentage by mass: 1.0-3.0% of rubidium bromide, 0-0.5% of phenolic resin and pure aluminum . The method for preparing the aluminum-based composite material purifying agent comprises the following steps: proportioning, grinding, drying, ball-milling and granulating to prepare particles with the particle size of 1-10mm. The purifying effect of the melt purifying agent combined with a vacuum purifying technology is far better than the effect of singly using the vacuum purifying technology. By using the purifying agent, the melt purifying time can be greatly shortened, the heat loss of the melt is reduced, the sealing requirement of vacuum equipment is lowered, and the application range of the vacuum purifying technology is expanded.

The invention belongs to the field of fuel cell testing, and discloses an energy-saving air supply system of a fuel cell test board, which comprises a main path, the main path comprises an air filter,an air compressor, a cooler, a main path valve, a flow meter and a humidifier which are connected in sequence; the tail end of the humidifier is connected with a cathode inlet of the galvanic pile, and an outlet of the galvanic pile is connected with the back pressure valve; a branch circuit is further arranged in the test board, the branch circuit inlet connecting end is arranged between the cooler and the main circuit valve, and the branch circuit outlet connecting end is arranged between the galvanic pile and the back pressure valve; and a branch regulating valve is arranged on the branch.The system is simple in structure, energy consumption can be remarkably reduced, cost is saved, and production efficiency is improved.

The invention discloses an umbrella rack with a bookshelf. The umbrella rack with the bookshelf comprises an umbrella rack body; and the umbrella rack with the bookshelf is characterized in that a stowage plate is arranged on the top of the umbrella rack body, the bookshelf is arranged on the stowage plate, a long-handle umbrella placing rack is arranged in the umbrella rack body, a base is arranged at the bottom of the umbrella rack body, a long-handle umbrella placing rack water containing groove is formed in the bottom of the long-handle umbrella placing rack on the base, splash-proof sponges are arranged at the periphery of the long-handle umbrella placing rack water containing groove, a short-handle umbrella placing hanger is arranged on one side of the umbrella rack body, a short-handle umbrella placing hnager water containing groove is formed in the bottom of the short-handle umbrella placing hanger on the base, splash-proof sponges are arranged at the periphery of the short-handle umbrella placing hanger water containing groove, and a containing box is arranged at the upper side of the long-handle umbrella placing rack on the umbrella rack body. The umbrella rack with the bookshelf has the advantages that the bookshelf is arranged to hold the books or contain small articles such as keys, and the structure is reasonable; and the umbrella rack with the bookshelf is simple to operate, convenient and practical, can keep floor dry, clean and sanitary, can provide a convenient use condition to a user.