83results 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 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.

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 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.

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.

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 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 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.

The invention discloses an umbrella rack integrated with a shoe rack. The umbrella rack integrated with the shoe rack comprises a shoe rack body and an umbrella rack body, and is characterized in that handle frames are arranged on the top periphery of the shoe rack body and on the periphery of the umbrella rack body; the shoe rack body comprises shoe placement plates; a water accommodation tank is arranged at the bottom of the umbrella rack body; umbrella baffle plates are arranged on the two sides of the umbrella rack body; a front umbrella retaining frame is arranged on the front side of the umbrella rack body; a rear umbrella retaining frame is arranged on the rear side of the umbrella rack body; umbrella hooks are arranged on the inner sides of the umbrella baffle plates; the front umbrella retaining frame is lower than the rear umbrella retaining frame. The umbrella rack integrated with the shoe rack has the advantages that the umbrella rack is integrated with the shoe rack, and is reasonable in structure, easy to operate, convenient and practical, the cost is lowered, the ground can be kept dry, neat and sanitary, and convenient using conditions are provided for a user.