70results about How to "Solve energy shortage" patented technology

The invention provides a photovoltaic-vibrational energy based power supply system for wireless sensor network nodes. The system mainly comprises a piezoelectric vibration generating system, a photovoltaic generating system, a control switch and a power supply monitoring and managing device, wherein a piezoelectric ceramic self-generating unit generates alternating current energy by being vibrated or extruded by the external environment; after being converted by a piezoelectric energy conversion device, the alternating current energy is stored by an energy storage device of the piezoelectric vibration generating system; a solar cell pack of the photovoltaic generating system converts the solar energy into a direct current signal; after being converted by a solar conversion device, the signal is stored by an energy storage device of the photovoltaic generating system; and finally, the power supply monitoring and managing device and the control switch are used for controlling and dominating output of the electric energy in the energy storage device. The system not only effectively solves the problems of energy power supply and management of the wireless sensor network nodes, but also improves the working reliability of the wireless sensor network nodes and meanwhile is energy-saving and environment-friendly.

The invention belongs to the fields of nano / micron material preparation technology and hydro-thermal synthesis technology, and particularly relates to a method for preparing a nano-sheet assembled bismuthyl bromide superstructure by adjusting and controlling a surfactant. The method comprises the following steps: using bismuth nitrate, sodium bromide or hexadecyl trimethyl ammonium bromide as a reactant, adding PEG4000 or PVP4000 as an adjusting and controlling agent, using ethanediol as a solvent, preparing a precursor solution under ultrasonic agitation, and moving the precursor solution into a hydro-thermal reaction kettle in a packing ratio of between 60 and 80 percent; putting the hydro-thermal reaction kettle filled with the mixture into a box-type resistance furnace, heating the kettle to a temperature of between 90 and 150 DEG C, keeping the temperature for 2 to 48 hours, taking the kettle out of the furnace, and cooling the kettle to the room temperature naturally; and washing and centrifugally separating the mixture in the kettle to obtain the required product. The method has the advantages of simple process, easy construction of a whole preparation system, simple and convenient operation, easily controlled condition, low cost, easily controlled product shape and size, high purity, good crystallinity and convenient processing of the product, and is suitable for large scale industrial production.

The present invention relates to a catalytic cracking process of refining biological oil. In a cracking reactor, the biological oil produced through cracking various biomass as material oil is catalytically cracked to eliminate excessive oxygen to obtain high quality refined biological oil in the presence of marketed HZSM-5 zeolite molecular sieve as catalyst and at normal pressure and 200-550 deg.c temperature. The yield may reach 50%. The refined biological oil is not easy to deteriorate at normal temperature, easy to store and transport, and good in burning performance. The present invention is favorable to solve the problem of lacking energy source for human to be faced with.

The invention consists of a heat pump, a two-fluid circulating generating equipment and energy supply and output system. The heat pump is used for sucking up heat energy from the nature and the two-fluid circulating generating equipment is used for converting the heat energy sucked into mechanical energy or electric energy. One part of the produced mechanical energy and electric energy is used for supporting the need of the energy source itself and the rest is used for outputting energy.

The invention discloses an information energy cooperative beam forming method based on a cognitive two-way relay network. According to the invention, the secondary user sending ends of multiple antennas collect energy from the signals of a primary user according to a power allocation scheme so as to forward the signals of the primary user and send their own signals. The purpose of the invention isto design beam forming matrixes, vectors and power allocation factors suitable for secondary user sending ends, so that the achievable rate at each secondary user is enabled to be maximal. Herein, the ideal channel state information for all known links of the secondary user sending ends is considered, and an optimization scheme based on Charnes-Cooper translation and one-dimensional search is provided. Through introducing the semi-definite relaxation method, an original optimization problem is converted into a convex semi-definite optimization problem. After that, the interior point method isadopted to solve and obtain an optimal beam forming matrix and a vector. According to the invention, through the cooperation of the information and the energy, the spectrum and energy insufficient problem can be alleviated to a certain degree, so that the system performance is improved.

The invention discloses a passive automobile tire pressure monitoring instrument based on piezoelectric self power generation. The passive automobile tire pressure monitoring instrument is characterized in that a piezoelectric energy collecting module adopts a modularized integrated unit circuit mode, a bridge rectifier circuit, a capacitor filtering energy accumulation circuit, a voltage stabilizing circuit and a DC-DC unit circuit are integrated inside the piezoelectric energy collecting module, and a power supply monitoring and managing system comprises a control switch, a power status monitoring chip and a microprocessor control unit; a piezoelectric vibration self power generation device utilizes vibration and extrusion of external environment to generate alternating current electric energy, the alternating current electric energy is subjected to rectification, filtering, voltage stabilization and DC-DC voltage change inside the piezoelectric energy collecting module, is stored by an electrical energy storage device, and then is supplied to a tire pressure sensor and a tire pressure signal transmitting module. The power supply monitoring and managing system is arranged for improving the working reliability of the system, the problems of power supply and management of the tire pressure sensor and the tire pressure signal transmitting module are effectively solved, the working reliability of the system is improved and the passive automobile tire pressure monitoring instrument has energy-saving and environment-friendly effects.

Disclosed is a distributed type power generation system based on coupling of multiple renewable energy sources. The distributed type power generation system comprises a solar photovoltaic power generation system, a wind energy power generation system, a fuel cell power generation system and an ocean thermoelectric power generation system; the output ends of the solar photovoltaic power generation system and the wind energy power generation system are connected to form a power grid source; the electric energy required by the operation of the fuel cell power generation system and the ocean thermoelectric power generation system is supplied by the power grid source; and the output ends of the fuel cell power generation system and the ocean thermoelectric power generation system are connected with an external power grid. The distributed type power generation system is formed by combining multiple renewable energy sources organically; and by virtue of the system, complementary and comprehensive utilization of multiple renewable energy sources can be realized, the utilization rate of renewable energy sources is improved, the problems of environmental pollution and energy shortage are solved, and relatively high stability and reliability are achieved.

The invention discloses synthesis and application of a graphite phase carbon nitride-ammonium tungsten bronze composite photocatalyst, and the method comprises the following steps: calcining reactantstwice, cooling to room temperature and grinding into powder; dispersing in a mixed solution consisting of hydrogen peroxide and deionized water, and carrying out hydrothermal reaction to obtain graphite phase carbon nitride; preparing ammonium tungstate, ethylene glycol and acetic acid into ammonium tungsten bronze by a hydrothermal method; dispersing the graphite phase carbon nitride and the ammonium tungsten bronze in a dispersant, and performing ultrasonic stirring and centrifugal drying to prepare the graphite phase carbon nitride-ammonium tungsten bronze composite photocatalyst. The composite photocatalyst is used for degrading pollutants in air and infrared heat shielding. The synthesis method has the advantages of simple operation, environmental protection, energy conservation, flexibility, convenience and low cost, and effectively improves the photocatalytic activity of g-C3N4; and the graphite phase carbon nitride-ammonium tungsten bronze composite photocatalyst has a wide application prospect in the fields of pollutant treatment and intelligent window glass.

The invention discloses a distributed multi-source complementary miniature biomass power generation system. The system comprises a biomass gasification unit, a solar-energy steam unit and a gas turbine unit. The solar-energy steam unit utilizes solar energy to heat water and further to generate steam, the biomass gasification unit utilizes steam to gasify biomass and further generate combustion gas, and the gas turbine unit utilizes the combustion gas to generate electricity, and also recovers tail-gas waste heat of a gas turbine and helps to improve the heat efficiency of the system. According to the technical scheme, the advantages of our country rural abundant renewable energy solar energy and biomass energy, solar energy heat supply and biomass gasification are organically combined, on the one hand, problems of energy shortage and environment pollution caused by usage of conventional fossil energy are solved, and on the other hand, distributed type multi-source complementary power generation of renewable energy is realized, and the electric power supply instable problem caused by single energy power supply applied to rural and remote areas is solved.

The invention provides an integrated energy system low-carbon scheduling method and system based on a carbon transaction model. The method comprises the following steps: firstly, constructing an integrated energy system architecture integrating multiple renewable energy power generation and multiple energy forms of electricity, heat and gas; then, according to the price-type electricity-heat comprehensive demand response model and the carbon emission interval segmented carbon transaction cost model, constructing a comprehensive energy system double-layer scheduling model of which the upper layer takes the lowest user energy consumption cost and the lower layer takes the lowest outsourcing energy and carbon transaction cost as targets; and finally, solving the model by adopting a CPLEX solver to obtain a globally optimal solution. Based on the method, the invention also provides a comprehensive energy system low-carbon scheduling system based on the carbon transaction model, the problems of environmental pollution and energy shortage in the prior art are effectively solved, the operation economy of the system is improved, the carbon emission of the system is reduced, the consumption of renewable energy sources such as wind and light is promoted, and the method has the advantages of being scientific, reasonable, high in applicability, good in effect and the like.

The invention relates to a catalyst for hydrogen production from reforming and a preparation method thereof. The catalyst employs one or several kinds of metal oxides of Ni, Fe, Cu, Zn, Ce, La or Co as active components, and employs one of NaCl, MgCl2, KCl, MgSO4 or Na2SO4 as a carrier; the mass of the carrier is used as a reference, and the mass percentage content of active component loading is 0.05-30%. The preparation method could be an immersion method, a citric acid complexation method, a sol-gel method or a supercritical high temperature high pressure synthesis method, and preferably a supercritical high temperature high pressure synthesis method. The catalyst is suitable for hydrogen production reactions from reforming of various kinds of organic compounds, and the method has the advantages of high H2 selectivity, long usage life, low active component loading, low cost, reproduction, wide application prospects, and the like. The catalyst also can be used for converting waste oil and other organic pollutants into hydrogen; and the catalyst is environmentally friendly, can change waste into valuables, and has great social and economic benefits.

The invention discloses a composite micro-energy system suitable for a small load and an energy management method thereof, and belongs to the technical field of composite micro-energy management. Thecomposite micro-energy system consists of an environmental energy collection module, an energy management module and an energy storage module connected in series, and the energy management module is connected with a small load. The energy management method of the composite micro-energy system is that the energy management module collects the power consumption information of the small load, the power generation state of the energy collection module and the power storage state information of the energy storage module. As such, the information energy management module decides to charge or discharge the energy storage module, rationally distributes the charge and discharge power of the supercapacitor and the lithium battery in the energy storage module, and gives full play to the respective advantages of the energy storage of the lithium battery and the energy storage of the supercapacitor, thereby improving the reliability of the system, ensuring that sufficient energy is supplied to thesmall load, and ensuring the stable operation. The method is simple and effective, and prolongs the life of the system.

The invention provides a multi-floating-body sea wave two-stage conversion power-generating device, which comprises a sea wave direct-drive power-generating part, force transmitting mechanical parts,floaters and a support frame, wherein the sea wave direct-drive power-generating part is composed of at least one generating unit and a generating barrel; each generating unit is composed of a rotor formed by Rb-Fe-B strong magnets which are equidistantly fixed on the same magnet connecting rod in series connection and a stator formed by spirally winding a coil on a coil cylinder; the coil cylinders are vertically placed, and the lower ends of the coil cylinders are fixed at the bottom of the generating barrel; each rotor is positioned in an inner space of the corresponding coil cylinder; andeach force transmitting mechanical part is composed of a transmitting rod with one end being movably connected with the top end of the magnet connecting rod and the other end being movably connected with the corresponding floater, an upper fixing ring and a lower fixing ring which are matched with the outer diameter of the generating barrel and are fixed on different heights of the generating barrel, a short supporting rod with one end being movably connected with the upper fixing ring, and a long supporting rod with one end being movably connected with the lower fixing ring. The device has the characteristics of flexible arrangement, simple structure, low cost and high operation efficiency.

This invention relates to interference super spectrum image apparatus one time plane scaling method, which uses the characteristics of the image system principle and introduces the scaling light source on the one time plane and generates interference graph on the detecting plane to realize the relative scaling. This invention solves the technique problems of mechanic faults and its scaling light source leading point's positions and sizes are selected according to the system structure conditions and detector responding dynamic range requirements.

The present invention relates to an engine oxygen-rich fuel, which is formed by mixing an active hydrogen-free and oxygen-containing organic matter and an additive, wherein the active hydrogen-free and oxygen-containing organic matter comprises but is not limited to a ketone substance, an ether substance, an ester substance and an acetal substance, the ester substance content is 0-99.99%, the content of other substances is 0-100%, and the additive content is 0-10%. According to the present invention, the product can be separately used, and can further be used by mixing with a fossil fuel and an alcohol based fuel according to an arbitrary ratio so as to improve combustion quality; and the oxygen-rich fuel has characteristics of complete combustion, environmental-friendliness on environment, human body and engines, and low cost, and is the ideal fuel for replacing the existing fossil energy source.

The invention relates to a supercritical carbon dioxide power generation system combining a supercritical water oxidation technology. The system comprises a supercritical water oxidation unit, a heatexchange unit, a supercritical carbon dioxide power generation unit, an expansion machine power generation unit and a tail gas heat energy utilization recovery unit; the supercritical water oxidationunit involves a supercritical water oxidation reactor, the heat exchange unit involves a main heat exchanger, the supercritical carbon dioxide power generation unit involves a turbine, a motor, a high-temperature heat exchanger, a low-temperature heat exchanger, a high-temperature compressor, a low-temperature compressor and a cooler, and the expansion machine power generation unit involves an expansion machine and a generator; and the tail gas heat energy utilization recovery unit involves a liquefying separation treatment device. The supercritical carbon dioxide power generation system and method combining the supercritical water oxidation technology can effectively treat sewage sludge and generate electric energy; and an ecological development mode combining environmental pollution treatment and energy development and utilization is realized.

The invention relates to a single spiral air-duct-type biomass boiler, which comprises a furnace body, a burner and a fuel conveyor; the single spiral air-duct-type biomass boiler is characterized in that: the front end of a fuel tube is connected to a boiler combustion chamber, the terminal end of the fuel tube is connected to an air blower through an air blower connector, an air volume control valve is arranged at the position of the air blower connector, a fuel hopper is provided with a spiral propeller inside, a screw rod is connected to a speed adjusting motor through a belt pulley arranged on the top of the screw rod, a distributor is arranged on the inner upper part of the fuel hopper. The invention transfers biomass fuel which is processed into bar shape or coarse powder shape into the fuel hopper, transfers the biomass fuel into the fuel tube through the spiral propeller, the volume and speed of the fuel transferred into the combustion chamber are respectively controlled by the speed adjusting motor and the air blower, and the fuel is blown into the boiler combustion chamber by wind force, so as to form suspension burning. The single spiral air-duct-type biomass boiler has the advantages that grate bars, furnace grates or transmission mechanism for the furnace grate does not need to be designed, thus reducing manufacturing cost of the boiler; waste straws are adopted as reusable energy for fully utilization, thereby solving the current energy shortage, and environmental pollution problems.

The invention discloses a treatment process of agricultural and forest waste. The process comprises the following steps of S1, performing coarse crushing on agricultural and forest waste; crushing theagricultural and forest waste to the particle diameter being below 2mm; S3, soaking the materials crushed to the state with the particle diameter being smaller than 2mm into hot water being 60 to 70DEG C for 10 to 12h; performing press filtering by a plate-and-frame filter press; putting the materials into a fermentation pool; S3, adding biomass carbon powder into materials subjected to anaerobic fermentation treatment in the step S2; after the uniform stirring, isolating the air for continuous fermentation for 10 to 20 days; performing deodorization and drying to obtain a mixture A; S4, adding additives, bentonite and anti-coking additives into the mixture A; then, performing uniform mixing to obtain a mixture B; ensuring the water content of the mixture B to be within 15 percent; performing extrusion shaping by using an extrusion shaping machine; performing drying to obtain biomass fuel. The agricultural and forest waste is a resource capable of being regenerated and utilized; theraw material resources are rich; the energy source saving is facilitated by using the agricultural and forest waste solid type regeneration clean fuel; the problem of energy source shortage is solved.

The invention relates to the technical field of seismic exploration, and particularly relates to a multi-channel spark source system under microsecond time sequence control. The system comprises a number of single-channel spark sources, an ARM processor, a host computer, a cross station and a geophone. The ARM processor carries out signal transmission between the single-channel spark sources and the host computer. The host computer sends a control instruction to the ARM processor according to information transmitted between the single-channel spark sources and the cross station. The cross station transmits a seismic wave signal acquired by the geophone to the host computer. According to the invention, a number of single-channel spark sources are assembled into a system at a construction site; the ARM processor and the host computer are used for centralized control; the problem of difficult mountain detection of a traditional high-energy spark source system is solved; a number of sources are used for discharging; delay is recorded; all single-channel spark sources are centralizedly controlled; discharge energy superposition is optimized; and the problem of insufficient seismic wave excitation energy is solved.

The invention discloses a trichoderma harzianum strain LZ117 from Tibet for producing cellulase. The preservation number of the trichoderma harzianum strain LZ117 is CGMCC No.17184, and the trichoderma harzianum strain LZ117 and a fermentation liquor thereof can be used for degrading lignocellulose biomass. A preparation method of the cellulase-containing fermentation liquor produced by the trichoderma harzianum strain LZ117 is also disclosed. According to the trichoderma harzianum strain LZ117 from Tibet for producing the cellulase, a new microbial resource is provided for degradation of thelignocellulose biomass; after the trichoderma harzianum strain LZ117 is cultured for 48 hours in a Mandels plate which adopts cellulose as a sole carbon source, obvious degradation transparent circlescan be shown; after culture is conducted in a 250 mL shake flask for about 120 hours, the fermentation enzyme liquor can achieve maximum filter paper activity, and high-activity cellulose degrading capability of the fermentation enzyme liquor is reflected; and the trichoderma harzianum strain LZ117 has high capability of degrading filter paper, preprocessed corn straw and preprocessed jerusalem artichoke straw, and accordingly has great application potentiality in the aspects of lignocellulose biomass resource development and utilization.

The invention discloses a power system used in a large multi-rotor aircraft capable of precisely adjusting the speed, and relates to the technical field of multi-rotor aircrafts. The power system comprises a fuselage, a motor device on the upper portion of the fuselage, a turbine engine device on the lower portion of the fuselage, a battery device and an electronic speed controller, wherein the battery device and the electronic speed controller are arranged on the side wall of the fuselage. The motor device and the electronic speed controller as well as the electronic speed controller and thebattery device are connected through wires correspondingly. According to the power system, fuel oil with the high energy density is adopted, the structure of a turbojet engine is used for reference, the characteristic of rapid response in the battery energy transferring process is also given into full play, the problem of energy shortage of pure battery power supply is solved, fuselage vibration caused by motor rotation is eliminated, the defect of slow response in the process of energy transformation of an internal combustion engine is overcome, the contradiction between energy supply and precise speed adjusting in a power system of an existing multi-rotor aircraft is resolved, and large-scale development of the multi-rotor aircraft becomes possible.

The invention discloses an unmanned aerial vehicle logistics transportation system, which is characterized in that: it includes a logistics unmanned aerial vehicle and at least two ground stations; the ground stations include a delivery ground station and a delivery ground station; the delivery ground station , used to store and load transported items, and at the same time perform ground control on the logistics drone; the receiving ground station is used to receive and store transported items and guide the logistics drone to land and unload transported items; it also includes a relay station, used It is used to connect the communication and data transmission between the logistics UAV and the ground station, and at the same time assist the work of the logistics UAV. The invention solves the problems of the existing UAV being disturbed, attacked and power shortage in logistics transportation, can ensure the normal navigation and safety of the UAV, and provide fast and safe UAV logistics transportation.

The invention discloses a carbon fiber / zinc oxide-zinc selenide double-shell micro-line nanometer generator nanometer material, a preparation method of the carbon fiber / zinc oxide-zinc selenide double-shell micro-line nanometer generator nanometer material, and application of the carbon fiber / zinc oxide-zinc selenide double-shell micro-line nanometer generator nanometer material, and relates to a piezoelectric material, a preparation method of the piezoelectric material, and application of the piezoelectric material, and therefore the problem that under strain, the output current of an existing zinc oxide composite nanometer material is low is solved. A zinc oxide nanometer line grows in the direction perpendicular to the axis of carbon fiber through the double-shell micro-line nanometer material, and a zinc selenide layer grows on the tip portion of the nanometer line. The preparation method includes the steps of firstly, soaking the carbon fiber in a zinc acetate solution, taking out the carbon fiber, and conducting annealing on the carbon fiber to form carbon fiber with a seed layer; secondly, placing the carbon fiber in an initial solution so that zinc oxide arrays can grow in a hydrothermal mode; thirdly, placing the carbon fiber into reaction liquid so that zinc selenide can grow in a secondary hydrothermal mode, and obtaining a nanometer generator material. According to the carbon fiber / zinc oxide-zinc selenide double-shell micro-line nanometer generator nanometer material, the preparation method and application, controllable growth and stable large-current output of the carbon fiber / zinc oxide-zinc selenide double-shell micro-line nanometer generator nanometer material are achieved, and the double-shell micro-line nanometer generator nanometer material is mainly applied to generator devices.

The invention discloses a wind energy power device, which comprises a base, a universal chassis of a frame, the frame and a wind energy receiving and converting device, wherein the frame is fixedly arranged on the universal chassis of the frame, which is movably arranged on the base; a wind orienting mechanism is also arranged on the universal chassis of the frame; the frame is connected with the wind energy receiving and converting device connected with a power output shaft used for outputting power; a steering motor connected with a left electrode and a right electrode are arranged on the universal chassis of the frame; and when wind is blown to a wind vane of the wind orienting mechanism, the wind vane rotates and is in contact with one of the left and the right electrodes, so as to enable the steering motor to rotate in one direction and enable the universal chassis of the frame to rotate. The wind energy power device has the advantages of high conversion efficiency and good economic benefit, can replace non-renewable resources and solves the problem of energy resource shortage.

The invention discloses a civil direct current system which comprises an energy collecting sub-system and / or energy accumulation sub-system, a dispatching control sub-system, an energy using sub-system and direct current power utilization network. The dispatching control sub-system controls the direct current output of the energy collecting sub-system and / or energy accumulation sub-system, so that the direct current power utilization equipment contained by the energy using sub-system is powered through the direct current power utilization network. Due to the fact that the energy collecting sub-system and / or energy accumulation sub-system mainly collects the direct currents of renewable energy sources such as solar energy, wind energy and fuel cells and the alternating currents of trough mains supply and different energy has different power supply quantity at different dates and time, the direct current output of the energy collecting sub-system and / or energy accumulation sub-system can be controlled through the dispatching control sub-system so as to supply stable direct currents to the direct current power utilization equipment. By the civil direct current system, the renewable energy sources such as the solar energy, the wind energy and the fuel cells and the trough mains supply can be effectively utilized.

The invention discloses a universal methanol fuel for vehicles and a preparation method thereof, and relates to the technical field of fuels. The fuel comprises the following raw materials by weight:40-60 parts of methanol, 20-30 parts of C5 raw materials, 6-8 parts of MTBE, 9-14 parts of aromatic hydrocarbon, 8-12 parts of petroleum ether, 0.005-0.015 part of a preservative, 1-3 parts of an additive, and 1-3 parts of a catalytic synthesis agent. Compared with an existing gasoline product, the universal methanol fuel for the vehicle has the advantages that under the conditions of the same vehicle model and the same fuel ratio, the dynamic property and mileage of the universal methanol fuel are superior to those of gasoline, tail gas emission is far lower than that of the gasoline, the universal methanol fuel can completely replace the gasoline, and the problems of petrochemical energy shortage, environmental pollution and the like can be solved.

A method for comprehensively utilizing biomass waste containing rich silicon comprises the following steps that: firstly, agriculture and forestry biomass waste is extracted by using dichloromethane-ethanol and hot water to obtain bioactive materials with different uses, the balance is polymer cellulose, lignin and minerals, then the balance and polymer waste are cracked together, the lysate is hydrocarbon gas, oil-like hydrocarbons and oxygenated organic compound, and the residue is cracked to obtain silicide. Conversion percent of waste in the total mixed reaches 85-95%, hydrocarbon gas of the total product accounts for 15-22%, liquid hydrocarbons accounts for 38-56%, organic oxygen accounts for 19-25%, and the silicide accounts for 10-15%.

The invention provides a bait casting machine of deep and remote sea net cages. The bait casting machine comprises a storage device and a bait casting device, wherein the storage device is used for storing a bait and comprises a storage tank and a buffer hopper which is arranged below the storage tank and communicates with the storage tank; a discharge hole is formed in the bottom end of the buffer hopper; the bait casting device comprises a power mechanism, a sucking mechanism and a spraying system; the water inlet of the power mechanism communicates with seawater; the water outlet communicates with the upper part of the buffer hopper to convey the seawater into the buffer hopper; the sucking mechanism is provided with a bait sucking hole and an ejection hole; the bait sucking hole is connected with the discharge hole of the buffer hopper; the ejection hole is connected with the spraying system; and the spraying system is used for casting the bait into a breeding space of the deep andremote sea net cages. According to the bait casting machine, the seawater is conveyed into the sucking mechanism through the power mechanism, as the seawater is continuously sprayed through the powermechanism, a seawater sucking hole is kept vacuum continuously, the bait can be continuously sucked by the sucking mechanism, and the sucked bait is conveyed to the spraying system along with the seawater and thus can be smoothly sprayed to the deep and remote sea net cages.

The invention provides a heat dissipation heat exchanger, a semiconductor heat exchanger and a semiconductor air conditioner. The heat dissipation heat exchanger comprises a heat dissipation base bodyand heat dissipation fins. Heat dissipation liquid channels used for circulation of liquid are formed in the heat dissipation base body. The heat dissipation ribs are arranged on the heat dissipationbase body, and heat dissipation fin air ways are formed on the heat dissipation ribs. Thus, the heat dissipation fin air ways on the heat dissipation fins can be used for achieving heat dissipation through air cooling, the heat dissipation liquid ways on the heat dissipation base body can also be used for conducting heat dissipation through medium water, the heat dissipation performance of the heat dissipation heat exchanger on semiconductor refrigeration sheets is greatly improved, the refrigerating efficiency of the semiconductor air conditioner is improved, and the problem that energy is insufficient in the air cooling heat dissipation process is solved.

The invention relates to a variable pitch back-up power supply lithium titanate battery SOC online detection and correction method and system, and the method comprises the following steps: 1, carrying out a charging test, charging a lithium titanate battery in a variable pitch system back-up power supply according to a set charging parameter, sampling in the charging process, exporting sampling data, and calculating the obtained SOC at each sampling moment; 2, drawing an SOC-V scatter diagram of the SOC of the lithium titanate battery with respect to the voltage of the lithium titanate battery, and performing fitting to obtain a fitting function E; 3, checking the fitting function E in the process of charging or discharging the lithium titanate battery by using a variable pitch system, and if the calculation precision of the fitting function E does not accord with the set precision, correcting the fitting function E; and step 4, using an SOC-V curve, namely a fitting function E, detecting the residual energy of the lithium titanate battery on line according to the voltage of the lithium titanate battery, preventing the situation that the paddle cannot return to a safe position due to insufficient energy, and performing health monitoring and fault judgment on the lithium titanate battery through the SOC-V curve.