54results about How to "Storage more" patented technology

The invention discloses a rehabilitation physiotherapy instrument and a control method thereof, and the rehabilitation physiotherapy instrument comprises an air pump, a signal collection unit, a controller, and a wearable part. The wearable component can cover a pelvic cavity area, buttocks and thighs; a bag sleeve is arranged on the inner side of the wearable component; the air pump is communicated with the bag sleeve, and the air pump is used for intermittently pumping air into or out of the bag sleeve; the signal acquisition unit is used for detecting electrocardiosignals; the air pump and the signal collecting unit are both electrically connected with the controller, and the controller is used for controlling the working state of the air pump according to the electrocardiosignals so as to control the bag sleeve to intermittently press the femoral artery and / or gluteus maximus. According to the invention, the local circulation of the pelvic cavity area can be improved without using medicines and operations, and rehabilitation physiotherapy can be carried out on the ED disease.

The invention discloses a hydrogen-powered unmanned aerial vehicle, and belongs to the field of unmanned aerial vehicles, the hydrogen-powered unmanned aerial vehicle comprises a fuselage structure and a power system, the fuselage structure comprises a nacelle fuselage provided with a hydrogen storage bottle, a propeller is installed at the front end of the nacelle fuselage, the power system is installed in the nacelle fuselage, a supporting plate is fixed above the nacelle fuselage, and the two sides of the supporting plate are connected with unmanned aerial vehicle wings; the unmanned aerial vehicle wings are connected with ailerons, the unmanned aerial vehicle wings are connected with the unmanned aerial vehicle empennage through connecting rods, the unmanned aerial vehicle empennage is connected with an elevator and a rudder, and an undercarriage is fixed below the nacelle fuselage. The power system adopts a proton exchange membrane hydrogen fuel cell as an energy conversion device, the fuel cell can efficiently convert hydrogen and oxygen into electric energy and only generate water and heat, the efficiency of the conversion process is far higher than that of a traditional internal combustion engine or a battery, and therefore the cruising ability of the unmanned aerial vehicle is improved, and the unmanned aerial vehicle is reasonable in design, long in service life and low in cost. The energy is saved.

The invention belongs to the technical field of water resource collection and utilization, and particularly relates to green energy-saving rainstorm collection and storage and precise irrigation integrated equipment which comprises a collection and storage box, an extension collection assembly is mounted in the collection and storage box, and the extension collection assembly comprises extension plates symmetrically arranged at the top end in the collection and storage box; by expanding the collection range, more rainwater resources can be collected in the rainstorm period, so that the equipment can store more rainwater, the water level collected in the collection and storage box can be detected in time, and when the water level reaches a threshold value, the top opening of the collection and storage box is blocked; according to the rainwater collection box, overloading of the collection box caused by excessive collection of rainwater can be prevented, it is ensured that the collected rainwater is within a reasonable range, the closed extension plate can effectively block direct sunlight and air flow, evaporation loss of the rainwater is greatly reduced, it is ensured that the collected rainwater can be stored for a longer time, and a stable water source is provided for irrigation.

The invention relates to a flash repair and recovery process for a lithium cobalt oxide battery positive electrode material, and belongs to the technical field of battery materials. A lithium source, a manganese source and a nickel source are introduced, the introduction of the lithium source is used for supplementing lithium possibly lost due to cyclic charging and discharging in the use process of the battery, the doping of manganese can improve the structural stability of the battery, and a new electrochemical active site is introduced; by doping nickel, the energy density and rate capability of the lithium cobalt oxide material can be improved, and the conductivity of the material is increased; chitosan and polyvinyl alcohol are mixed for use, chitosan provides cohesiveness and stability, PVA adjusts viscosity and promotes dispersion, under the combined action of chitosan and polyvinyl alcohol, the added lithium source, manganese source, nickel source and other repairing materials can be better attached to the surface of the positive pole piece, and the overall performance of the positive pole piece is improved; the graphene oxide is added to improve the performance of the repaired positive electrode material, and the graphene oxide can uniformly coat the surface of the lithium cobalt oxide positive electrode material to form a protective layer.

The utility model discloses a metal screen printing plate, which relates to the technical field of printing screen printing plates, and comprises a gauze, the gauze is provided with a bonding pad area part and a non-bonding pad area, the bonding pad area part is provided with a bonding pad and a harpoon, the heights of the vertical sections of the bonding pad and the harpoon are staggered, and the horizontal sections of the bonding pad and the harpoon are provided with openings with different diameters. Aiming at the problem that the mesh thickness of the existing metal screen is consistent, the thickness of the vertical section is increased and the flowability of slurry at the position is reduced at the position of a bonding pad and a harpoon with a larger horizontal section opening in the bonding pad area part, so that more slurry can be stored in the area, and the printing thickness of the area during printing is further improved. By using the metal screen plate for improving the thickness of the printing slurry in the local area, the problem that the height of the slurry in the area where part of the bonding pad is located is not enough during printing of the metal screen plate can be solved, and the influence on the conductivity of a printed battery piece is reduced.

The invention relates to the technical field of new energy, in particular to a new energy storage method and device based on the high-efficiency conversion technology and a medium thereof.The method comprises the following steps that 1, feature data generated by new energy storage are collected through a sensor and a monitoring tool, and the feature data are stored into a database; the method comprises the following steps: step 1, acquiring various monitoring parameters of new energy storage performance to obtain various monitoring parameters for analyzing the new energy storage performance, step 2, analyzing the various monitoring parameters of the new energy storage acquired in the step 1 to obtain various indexes of the new energy storage performance, and step 3, evaluating the various indexes of the new energy storage performance analyzed in the step 2, the method comprises the following steps: step 1, obtaining a qualified coefficient of each index of new energy storage, step 2, carrying out comprehensive analysis on the qualified coefficient calculated in the step 3 to obtain a comprehensive index of the energy storage performance of the new energy, and step 5, carrying out man-machine interaction on the comprehensive index of the energy storage performance of the new energy obtained by the comprehensive analysis in the step 4. Through the high-efficiency conversion technology, new energy is converted into electric energy, and the utilization efficiency of the energy is improved.

The utility model discloses a powder material feeding device, which relates to the technical field of powder material feeding appliances, and comprises a sealing box and a support table arranged at the bottom end, a discharge table is arranged on the bottom surface of one end of the sealing box, a plurality of support frames are arranged at the other end of the top surface of the sealing box, and a material storage kettle is arranged on the support frames. A driving motor is mounted in the middle of the top surface of the storage kettle; a feeding table is mounted at one end of the top surface of the storage kettle; according to the utility model, the transmission rollers are matched with the conveying belt and the trowelling plate, and the trowelling plate is used for trowelling the flatness of materials between the two partition plates of the conveying belt, so that the effect of uniformly conveying powder materials is achieved, the problem of non-uniform accumulation of the materials in the conveying process is solved, and the feeding precision is improved; and through the cooperation between the inverted arc plate and the low-speed rotating rod, the effects of enabling the storage kettle to store more materials and preventing the materials from being accumulated are achieved, the problem that the materials are accumulated and blocked in the storage kettle is solved, and the storage and feeding efficiency of the storage kettle is improved.

According to the pouring method of the high-quality adjustable-pitch propeller, casting risers are arranged on the outer side of a propeller hub body of the adjustable-pitch propeller and comprise the main risers and the blind risers, and the blind risers are annularly arranged on the outer side of the waist of the propeller hub body at equal intervals; the blind riser is communicated with the outer side of the waist line of the propeller hub through a connecting channel; after pouring is completed, the blind riser continues to heat and preserve heat, a positive temperature gradient is formed at the key thick and large position of the lower end of the propeller hub, and gravity high-temperature feeding is conducted on the thick position, so that the effect of eliminating slag holes, shrinkage cavities and shrinkage porosity in the key area of the propeller hub is achieved; particularly, 100% slag inclusion shrinkage cavities are avoided below the waist line of the propeller hub, the casting quality is improved, and the operation of workers is simple; the operation is convenient.

The utility model belongs to the technical field of engines, and particularly relates to a crankcase cover and an engine, the crankcase cover comprises a crankcase cover body, the lower portion of the crankcase cover body is provided with a protrusion extending laterally, the protrusion and the crankcase cover body form a containing cavity for storing engine oil, by arranging the protrusion, the containing space of the lower portion of a crankcase is increased, and more engine oil can be stored; the engine oil updating frequency is reduced; for an engine adopting splash lubrication, engine oil is driven to splash to all components for lubrication through rotation of the crank, so that when the crank rotates to the lowest point, the crank needs to be lower than the liquid level of the engine oil, compared with the mode that the protrusion is arranged at the lower end of the crankcase, the overall height of the crankcase cannot be increased, and the liquid level of the engine oil descends slowly; and the engine oil updating frequency is low.

The invention discloses a method for encoding a test vector, and relates to the field of test technology. The method divides a test file into a plurality of sub-files. For each sub-file containing P rows of test vectors, column encoding is performed on the excitation codes of the P rows of test vectors in the sub-file to obtain M excitation data frames, and row encoding is performed on the function codes of the P rows of test vectors to obtain P function data frames, and the encoding result of the sub-file is obtained, wherein each excitation data frame corresponds to a test channel and contains the encoding result of the excitation codes corresponding to the test channel in all the P rows of test vectors in the sub-file, and each function data frame contains the encoding result of the function code in a corresponding row of test vectors. The method can well improve the storage depth of the test vector, especially when there are fewer test channels actually used, the compression efficiency can be greatly improved, and more test vector files can be stored in the limited storage space of a test machine.

The utility model discloses an electrode structure convenient to assemble, which comprises a substrate and lower plastic cement, two first square holes are arranged at the top end of the substrate, and cathode upper plastic cement and anode upper plastic cement are respectively arranged in the two first square holes. Two second square holes are formed in the lower plastic, and a negative pole and a positive pole are arranged in the two second square holes. One end of the negative pole is arranged inside the negative upper plastic cement, and one end of the positive pole is arranged inside the positive upper plastic cement. By arranging the cathode upper plastic, the substrate, the lower plastic, the cathode post, the anode post and the anode upper plastic, the surface area of the electrode is increased, so that the contact area of the electrode and electrolyte is increased, more energy can be stored, the internal space layout of the battery can be better adapted, the space waste is reduced, and the safety of the battery is improved.

The invention discloses sorting equipment suitable for large-scale steel ball production, which comprises a steel ball production box used for producing and processing steel balls, and a ball discharging pipe and a cooling mechanism which are arranged at the bottom of the steel ball production box and used for cooling the steel balls produced by the steel ball production box, the supporting rod and the sorting mechanism are arranged at the top of the cooling mechanism, and the sorting mechanism is used for screening the steel balls. The invention relates to the technical field of steel ball sorting equipment. When steel balls produced by the steel ball production box enter the cooling box after being produced, the scalding steel balls which are produced just now can be cooled through cooperation of the cooling box, a water inlet pipe, a storage bin, an electric telescopic pipe, a limiting spring and a sliding ring, the situation that subsequent sorting is affected by expansion of the steel balls due to the too high temperature is avoided, meanwhile, the too large steel balls can be independently stored, and the production efficiency is improved. The influence on the working efficiency of equipment due to blockage of the electric telescopic pipe is avoided.

The utility model relates to a steam structure of a hair curler, which comprises a sealing plate, a first heater support, a second heater support, a first heater and a second heater, the first heater support and the second heater support are symmetrically distributed and adhered to the two sides of the sealing plate respectively, a first groove is formed in the first heater support, the first groove is divided into a plurality of cavities communicated with one another through a plurality of protruding parts, a plurality of first steam holes communicated with the first groove are formed in the first heater support, and a plurality of second steam holes communicated with the second groove are formed in the second heater support. A second groove is formed in the second heater support, the second groove is divided into a plurality of cavities which are communicated with one another through the protruding parts, and a plurality of second steam holes which are communicated with the second groove are formed in the second heater support. The device is simple in structure, the cost of the hair curler can be reduced, and meanwhile the problem of water leakage or splashing of the hair curler can be well solved.

The utility model discloses a waste collecting assembly for a ceramic fiber board cutting machine, and relates to the technical field of cutting machine collection, the waste collecting assembly comprises a U-shaped frame, a cleaning mechanism, a switching mechanism, an L-shaped supporting plate, two sets of collecting boxes, a moving assembly and a buckling mechanism, the two ends of the bottom of the switching mechanism are fixedly installed with the two sets of collecting boxes; the cleaning mechanism is arranged on the right side of the U-shaped frame and used for collecting waste residues on the surface of the cutting machine conveying belt. Through the arrangement of the cleaning mechanism, the switching mechanism, the buckling mechanism, the moving assembly, the L-shaped supporting plate and the cover plate, the cleaning mechanism can clean waste attached to the surface of a belt, the box body can be rapidly replaced through the cooperative use of the switching mechanism and the L-shaped supporting plate, the box body can be rapidly and conveniently disassembled and assembled through the buckling mechanism, and the box body can be conveniently and rapidly replaced through the moving assembly. The box body can be conveniently moved through the moving assembly, and the cover plate can seal the box body and can compact waste materials at the same time.

The utility model relates to the technical field of medical examination instruments, in particular to a fluorescence immunochromatography detection kit. Comprising a box body, a damping rotating shaft a, a damping rotating shaft b, a dropper material box, a drawing plate and two roll shafts. An opening a is formed in the upper end of the box body; the damping rotating shaft a and the damping rotating shaft b are both rotationally installed on the inner side of the box body, a plastic film is wound between the damping rotating shaft a and the damping rotating shaft b, a plurality of pieces of detection test paper are arranged on the plastic film at equal intervals, and plastic packaging films are arranged on the outer sides of the plurality of pieces of detection test paper in a heat sealing mode; the two roll shafts are rotationally mounted at the two ends of the inner side of the box body; the dropper material box is mounted on the inner side of the box body; and the drawing plate is positioned at the bottom end of the dropper material box. According to the test paper box, a plurality of pieces of test paper are pasted on the plastic film, so that more pieces of test paper can be stored in the box body, and the test paper box is simple in structure and convenient to operate.

The invention discloses a zinc ion battery with a flexible interdigital electrode and a preparation method thereof, and belongs to the technical field of battery production. A plurality of interdigitals of the flexible interdigital positive electrode and the flexible interdigital negative electrode are alternately inserted one by one, an accommodating space is arranged between every two adjacent interdigitals, and gel electrolyte is arranged in the accommodating spaces. The method comprises the following steps: preparing flexible interdigital positive electrode slurry, flexible interdigital negative electrode slurry and gel electrolyte; placing the slurry in a needle cylinder and selecting a needle head; connecting the needle cylinder with an air pump and fixing the needle cylinder on a dispensing machine; controlling the dispensing machine to print a flexible interdigital positive electrode and a flexible interdigital negative electrode; and spraying the gel electrolyte in the accommodating space between the flexible interdigital positive electrode and the flexible interdigital negative electrode. According to the invention, the overall weight of the battery is reduced, more electric energy can be stored and released, and the application prospect of the battery in the fields of various portable devices and high energy requirements is widened. The production cost of the battery can be reduced, the production efficiency is improved, and the flexibility is high.

The invention relates to a night driving automobile electronic outside rear-view mirror management system, which comprises an operation module and a remote terminal, and is characterized in that the operation module comprises a control interaction unit, an instruction transmission unit, a data receiving unit and a data display unit; the control interaction unit is used for guiding a user to input an operation instruction and displaying the operation instruction at the front end of the automobile electronic outside rear-view mirror management system through a display screen; the instruction transmission unit is used for transmitting a control instruction input by a user to the remote terminal, and the remote terminal executes the control instruction according to a program operation instruction after receiving the instruction. According to the method, matching operation is performed on the collected data, if the collected data are the same as the data, the database data are directly matched, and the guidance information of the image corresponding to the database is directly fed back to the value, so that guidance judgment can be made more quickly, the image processing speed is increased, and the image processing efficiency is improved. Therefore, the efficiency of the electronic outside rear-view mirror management system for the automobile during night driving is improved.

The utility model discloses a portable emergency treatment box for emergency department relates to medical instrument technical field, including box body and buffer seat, said box body is provided with extension box inside, said box body is provided with third chute inside, the one side of extension box is fixedly equipped with third slider, third slider and third chute slide connection, and the buffer seat is provided with the buffer seat. A fixed box is fixedly installed at the position, close to the upper portion, of one side of the box body, a gear is arranged in the fixed box, and rotating shafts are fixedly connected to the two sides of the gear. According to the emergency treatment box, the extension box can be controlled to move upwards, and a sliding seat can be moved, so that a limiting column is clamped into a limiting hole, the extension box is limited, the storage space in the box body is increased, more medicines and medical instruments can be stored, and the practicability of the emergency treatment box is improved.

The invention provides a photonic Dirac waveguide based on a pseudo magnetic field synthesized by a photonic crystal and an application of the photonic Dirac waveguide. Comprising a photon Dirac waveguide I, a photon Dirac waveguide II and a photon Dirac waveguide III. The photonic Dirac waveguide I is composed of a gradient photonic crystal A1, a photonic crystal O and a gradient photonic crystal A2; the photon Dirac waveguide II is composed of a gradient photonic crystal A3, a photonic crystal O and a gradient photonic crystal A4; the photon Dirac waveguide III is composed of a gradient photonic crystal A5, a photonic crystal O and a gradient photonic crystal A6. According to the invention, the photonic Dirac waveguide is designed by using the photonic crystal with linear gradient change of the angle. The waveguide is based on large-area bulk transmission, and has the excellent characteristics of easy preparation and low scattering loss. And a plurality of transmission channels are generated by changing the rotation angle of the embedded body in the photonic crystal in a linear gradient manner, so that the information transmission capacity is improved, and the requirement of high-capacity information transmission in a photonic device can be met.

The invention relates to the technical field of raw coal conveying and transferring, in particular to a conveying frame for efficient vertical conveying and transferring of coal mine underground raw coal. A vertical conveyor is adopted for conveying, a feeding roller is arranged at the right end of the vertical conveyor, and a discharging roller located above the feeding roller is arranged at the left end of the vertical conveyor; and a limiting mechanism is arranged at the moving end of the vertical conveyor. Limiting, splicing and fixing operations are matched to complete quick disassembly and assembly of the conveying frame and fixation of the conveying frame during transportation, self-adaptive limiting ensures that the conveying frame can be stably fixed under various conditions, meanwhile, modular design allows quick assembly and disassembly for storage, underground space is greatly saved, the overall transportation capacity is improved, and the transportation efficiency is improved. According to the invention, the maintenance cost is reduced, the crushing and loss of the raw coal during transportation are reduced, multiple advantages of space utilization, equipment protection and raw coal quality maintenance are realized, and the transportation efficiency and safety are obviously improved through combination of the self-adaptive limiting mechanism and the modular rapid assembly system.

The invention discloses a fork truck capable of moving transversely, which belongs to the technical field of forklifts and comprises a rack, a transverse movement switching mechanism and a steering shaft are arranged in the rack, the transverse movement switching mechanism comprises a telescopic mechanism, first connecting rods are arranged at the telescopic end of the telescopic mechanism in a bilateral symmetry mode, and the other ends of the first connecting rods are connected with second connecting rods in a hinged mode. The rotating shaft is located at the bottom of the supporting leg, a cam is arranged at the end, away from the second connecting rod, of the rotating shaft, and a bearing wheel is arranged on the side, away from the rotating shaft, of the cam. A steering mechanism is arranged at the upper end of the steering shaft, and the lower end of the steering mechanism is connected with the driving wheel shaft through an auxiliary steering mechanism. According to the transverse moving type fork lift truck, the operation time can be greatly saved, and an operator does not need to spend time in turning operation, so that the overall operation efficiency is improved, and powerful support is provided for efficient warehouse management.

The invention discloses a green worm machining machine tool for high-end equipment manufacturing, and relates to the technical field of equipment manufacturing, the green worm machining machine tool comprises a bottom plate, a guide rail is fixedly connected to the top of the bottom plate, a lead screw is rotatably connected to the interior of the guide rail, and a moving block is in threaded connection to the outer side of the lead screw; and one end of the moving block extends to the outer side of the guide rail and is fixedly connected with a first electric telescopic rod, and the telescopic end of the first electric telescopic rod extends to one side of the moving block and is fixedly connected with a machining mechanism. The waste chips fall into water in the cooling box, are cooled and then are separated out, the waste chips can be collected and recycled, the situation that the waste chips drift away near the working environment and pollute the environment is prevented, and the device is environmentally friendly and efficient.

The application relates to the field of medical article storage, and discloses a special storage device for dialysis patients, which comprises a supporting mechanism and a plurality of storage boxes. The plurality of storage boxes are fixed to each other, the supporting mechanism is clamped on the edge of a hospital bed, the plurality of storage boxes are connected with the supporting mechanism, and the supporting mechanism is used for supporting the plurality of storage boxes. The application realizes orderly classified placement and avoids random accumulation of articles.

The invention belongs to the technical field of conveying equipment, and particularly relates to a coal mining conveying device. Comprising a conveying belt, extension rods are symmetrically and fixedly connected to the two sides of the discharging end of the conveying belt, and an arc-shaped guide plate is connected between the two extension rods through a reciprocating adjusting mechanism; reciprocating motion and rotary adjustment of the arc-shaped guide plate can be realized through the reciprocating adjustment mechanism; the arc-shaped guide plate is a groove body with one side being an arc face, the other side, away from the arc face, of the arc-shaped guide plate is of an opening structure, when the arc-shaped guide plate is close to the discharging end of the conveying belt, the opening side of the arc-shaped guide plate inclines downwards, and the opening side of the arc-shaped guide plate gradually rotates upwards under the action of the reciprocating adjusting mechanism along with the fact that the arc-shaped guide plate is away from the conveying belt. According to the invention, the space utilization rate of the coal piling yard is obviously improved, so that the coal piling yard with the same area can store more coal; the problem that the space utilization rate of a coal yard is low is solved.

The present invention provides an electrode material preparation method and supercapacitor application. The electrode material preparation method is: zinc nitrate, cobalt nitrate, urea, ammonium fluoride and solvent are stirred and mixed, and then nickel foam is added, and after a hydrothermal reaction, a loaded ZnCo2O4 nickel foam is obtained; nickel nitrate, ammonium fluoride and urea are mixed and then added to the loaded ZnCo2O4 nickel foam, and after a secondary hydrothermal reaction, the electrode material is obtained by washing and drying. The present invention uses common and inexpensive Ni, Co and Zn as raw materials, prepares bimetallic oxide ZnCo2O4 nanosheets by hydrothermal method and heat treatment, and prepares ZnCo2O4@NiOOH nanosheet electrode materials by secondary hydrothermal method. The ZnCo2O4@NiOOH nanosheet electrode material prepared by the method has the characteristics of high specific capacitance, good energy density and excellent cycle stability, making it an ideal energy storage device, and the prepared supercapacitor has good specific capacitance and excellent pseudocapacitance properties.

The invention discloses a copper metal covalent organic framework material (Cu-COF), a composite film material and a preparation method and application of the composite film material. The preparation method comprises the following steps: carrying out Schiff base reaction on tri (2-4 formaldehyde-pyrazole nitrogen-N, N ')-tri-copper and 2, 5-dimethoxy terephthaloyl hydrazine to construct a crystal material Cu-COF; cu-COF and MC are compounded to prepare flexible Cu-COF and MC composite film materials with different proportions, and a Cu-COF-TENG device is assembled, so that the TENG device assembled by 10% of Cu-COF and MC has optimal output performance and excellent stability. Then, a flexible TENG capable of being pressed / pressed continuously of a Cu-COF-MC-TENG device is constructed, a TENG signing motion monitoring self-powered sensor is analyzed, and contact and separation of the TENG are achieved under the condition that a sign pen moves, so that mechanical energy is converted into an electric signal, and application in a Cu-COF flexible sensor is achieved.

The invention relates to a multilayer vertically-stacked hundred million resistance memory and a manufacturing method thereof, belongs to the technical field of memories, and solves the problem of current crosstalk caused by density increase of an existing memory unit. The memory includes an underlying circuit over a semiconductor substrate and provided with layer and column addressing switches; the bottom insulating layer is positioned above the bottom layer circuit and is provided with a plurality of through holes; a plurality of alternate stacks over the underlying circuit, each of the alternate stacks comprising a planar conductive layer and an interlayer insulating layer over the planar conductive layer; the vertical columnar electrode passes through the plurality of alternate laminations to be electrically connected with the plurality of through holes; the resistive random access medium layer surrounds the periphery of the vertical columnar electrode, so that the planar conductive layer, the resistive random access medium layer and the vertical columnar electrode form a resistive random access memory; the region isolation trench includes a plurality of rows and columns of parallel isolation trenches passing through the plurality of alternating stacks, the bottom insulating layer, and the underlying circuitry to isolate the three-dimensional memory array into a plurality of memory cell regions. And inter-layer and inter-row current crosstalk is reduced through block division and insulation partition.

The present invention discloses a rehabilitation therapy instrument and a control method thereof, wherein the rehabilitation therapy instrument comprises an air pump, a signal acquisition unit, a controller and a wearable component; the wearable component can cover the pelvic area, buttocks and thighs; a bag sleeve is provided on the inner side of the wearable component; the air pump is connected to the bag sleeve, and the air pump is used to intermittently pump gas into or out of the bag sleeve; the signal acquisition unit is used to detect an electrocardiogram signal; the air pump and the signal acquisition unit are both electrically connected to the controller, and the controller is used to control the working state of the air pump according to the electrocardiogram signal to control the bag sleeve to intermittently compress the femoral artery and / or gluteus maximus. The present invention can improve the local circulation of the pelvic area without using drugs and surgery, and perform rehabilitation therapy on ED diseases.

The invention relates to the technical field of battery materials, and discloses a silicon-carbon negative electrode material preparation method, which comprises: 1, mixing nanometer silicon powder, a carbon source material and a conductive additive according to a certain ratio, and carrying out ball milling treatment; 2, mixing the ball-milled mixture with an interface stabilizer, and carrying out ball-milling treatment again; step 3, carrying out drying treatment on the mixed material; step 4, carrying out carbonization treatment on the dried mixture; 5, mixing the carbonized material with an alloying material, and carrying out alloying treatment; step 6, mixing the treated material with a binder and a solvent to prepare slurry; and step 7, coating a current collector with the slurry to form a negative electrode material coating. By introducing the conductive additive and the alloying material, the lithium ion battery can store more electric energy under the same volume or weight, so that the overall energy density of the battery is improved.

The invention relates to the technical field of heat utilization, in particular to a heat storage and supply system, and aims to solve the problems that in the prior art, an energy storage system with water as an intermediate heat transfer medium is large in heat loss, high in energy consumption, low in phase change material utilization rate and the like. In order to achieve the purpose, a heat storage system of the heat storage and supply system comprises a first electromagnetic pump, a heat exchanger and a liquid storage tank, a heat supply system comprises a second electromagnetic pump, heat utilization equipment and the liquid storage tank, and a heat transfer medium is arranged to circularly flow in the heat storage system and the heat supply system and has electrical conductivity and thermal conductivity. The first electromagnetic pump is set to be capable of enabling the heat transfer medium to circulate between the heat exchanger and the liquid storage tank when powered on for operation, and the second electromagnetic pump is set to be capable of enabling the heat transfer medium to circulate between the heat utilization equipment and the liquid storage tank when powered on for operation. The heat transfer medium circularly flows in the heat storage system and the heat supply system through the electromagnetic pump, so that the energy loss is reduced, the heat efficiency and the raw material utilization rate are improved, and the energy consumption is reduced.