204results about How to "Large capacity" patented technology

The embodiment of the invention discloses an in-memory computing circuit based on a magnetic cache, and the circuit comprises at least one magnetic cache unit, at least one in-memory computing unit, and a timer. The magnetic cache unit in the at least one magnetic cache unit is used for caching data output by the corresponding in-memory computing unit as to-be-processed data within the corresponding data retention time; the timer is used for respectively setting data retention time for the at least one magnetic cache unit; and the in-memory computing unit in the at least one in-memory computing unit is used for extracting the data to be processed from the corresponding magnetic cache unit for calculation and outputting the computed data to other magnetic cache units. According to the embodiment of the invention, the invention achieves the flexible adjustment of the data retention time of the magnetic cache unit in various in-memory calculation scenes, and achieves the provision of a high-capacity cache for the data needed by in-memory computing under the lower power consumption.

The application discloses a preparation method of a sodium ion battery hard carbon negative electrode material based on step-by-step synergistic regulation, and comprises the following steps: S1, biomass pretreatment; S2, low-temperature pre-carbonization to obtain biomass pre-carbonized carbon; S3, physical activation: the pre-carbonized carbon is placed in an activation atmosphere to perform medium-temperature activation, and biomass activated carbon is obtained; S4, high-temperature carbonization: the biomass activated carbon is placed in an inert atmosphere to perform high-temperature carbonization, and a hard carbon intermediate is obtained; S5, chemical vapor deposition coating: the hard carbon intermediate is placed in a mixed atmosphere of a coating carbon source and an inert gas to perform chemical vapor deposition coating, and a surface-coated biomass hard carbon negative electrode material is obtained. The application can realize a higher closed pore volume at a milder temperature, and the synergistic regulation pore forming mode of activating and forming pores first and then high-temperature closing pores also avoids the insufficient closed pores caused by single high-temperature treatment.

The utility model relates to a solar device and a camera, the solar device comprises a solar assembly and a battery assembly, the battery assembly comprises a shell and a plurality of battery bodies, the shell is internally provided with a plurality of mounting positions, the number of the battery bodies is smaller than or equal to that of the mounting positions, each battery body is detachably arranged at any mounting position, and the battery bodies are arranged in the mounting positions. And can be electrically connected with the solar module. When the solar assembly works, solar energy can be converted into electric energy to be stored in the battery bodies, so that power is supplied to equipment such as the camera assembly through the battery bodies. A user can adjust the number of the battery bodies according to the requirement of equipment such as a camera assembly for the battery capacity, the situation that a large-capacity battery is matched with small-capacity requirement equipment is avoided, and resource waste is reduced; as the capacity of a single battery body is relatively small, the export requirement can be met; and moreover, the small-sized modularized battery body can be convenient for a user to disassemble, assemble and replace the battery body, so that the maintenance cost is reduced.

This invention discloses a multi-channel programmable miniaturized high-speed FBG demodulation system and method based on an AWG (Optical Fiber Optic Generator), belonging to the field of fiber optic sensing technology. The AWG-based multi-channel programmable miniaturized high-speed FBG demodulation system includes a high-stability broadband light source module, a low-loss isolation module, a miniaturized programmable fiber optic amplifier, a circulator, a two-stage miniaturized high-speed optical switch, a high-crosstalk AWG module, a photoelectric conversion module, a programmable A / D conversion module, and a core control module. The AWG-based multi-channel programmable miniaturized high-speed FBG demodulation method involves the optical signal entering an FBG sensor array, the FBG sensor reflecting the optical signal, the reflected optical signal entering the AWG module, and the output light undergoing photoelectric conversion to calculate the center wavelength of the FBG sensor. This invention, based on an AWG, improves demodulation accuracy while ensuring the demodulation range, achieving continuous wavelength demodulation within the AWG wavelength range.

The present invention relates to a positive electrode active material for a secondary battery which is a lithium composite transition metal oxide including nickel (Ni), cobalt (Co), and manganese (Mn), wherein the lithium composite transition metal oxide includes the nickel (Ni) in an amount of 65 mol% or more and the manganese (Mn) in an amount of 5 mol% or more based on a total amount of transition metals, and at least one particle growth-promoting element selected from the group consisting of strontium (Sr), zirconium (Zr), magnesium (Mg), yttrium (Y), and aluminum (Al), wherein the electrode positive active material is composed of a single particle.

The invention discloses a low-temperature-resistant negative electrode zinc paste and a low-temperature alkaline zinc-manganese battery containing the zinc paste. The negative electrode zinc paste comprises the following components in parts by weight: 60-65 parts of zinc powder, 1-2 parts of a composite conductive agent, 0.1-0.3 part of a composite corrosion inhibitor and 35-38 parts of a low-temperature electrolyte; the low-temperature electrolyte comprises a multi-element nonionic surfactant system, a multi-element nano anti-freezing agent system and a mixed solution A, the 3.9 ohm discharge capacity of the battery under the condition of-40 DEG C is larger than or equal to 60% compared with the capacity retention rate at normal temperature, the interface impedance amplification is smaller than or equal to 15%, the hydrogen evolution amount is reduced by 80% on year-on-year basis, the process is compatible with an existing production line, and the battery is suitable for polar scientific investigation and electronic equipment in plateau and cold regions.

The straddle type electric vehicle 1 comprises a vehicle body frame 11, a seat 21, a pedal 22, a storage box 31, a motor 41 and a battery 51. At least a part of the pedal (22) is provided in front of the seat (21) and at a position lower than the seat (21). The storage box 31 is supported by the vehicle body frame 11 and is arranged below the seat 21. The electric motor 41 is disposed below the storage box 31 and overlaps the storage box 31 in a top view of the vehicle. The battery 51 supplies power to the motor 41. The battery 51 includes a first portion 52 and a second portion 53. The first portion 52 is disposed below the footrest 22. The second portion 53 extends upward from the first portion 52 and is provided below the seat 21 and in front of the motor 41. The upper end 53t of the second part 53 is arranged at a position higher than the lower end 31b of the storage box 31.

The present disclosure provides a high-rate lithium iron phosphate positive electrode material comprising lithium iron phosphate and carbon coated on a surface of the lithium iron phosphate, wherein a primary particle of the material has a particle size of 30-70 nm. The material of the present disclosure has a small and uniform primary particle size, no large single crystal particles, and a high specific surface area, and the battery prepared with the material has a high capacity, good cycle performance, excellent rate performance and low temperature performance. The present disclosure also provides a method for preparing the high-rate lithium iron phosphate positive electrode material, which has a simple process, is environmentally friendly, does not need precursors or expensive equipment, and has low cost.

The present application provides a negative electrode active material (100), a secondary battery comprising the same and an electrical device, wherein the negative electrode active material (100) comprises a matrix material and a silicon-based material, the matrix material comprises a plurality of pore structures, at least a part of the silicon-based material is located in pore structures of the matrix material, the silicon-based material comprises a crystalline silicon-based material, a region formed by extending from outer surface of particle of the negative electrode active material (100) to inside of the particle by a distance of 0.5 times a length between any point on the outer surface of the particle of the negative electrode active material (100) and a core of particle (O) is recorded as an outer region (101), and a region inside the outer region (101) is recorded as an inner region (102), and in cross-sectional image of the negative electrode active material (100), total cross-sectional area of the crystalline silicon-based material in the outer region (101) is smaller than total cross-sectional area of the crystalline silicon-based material in the inner region (102). The secondary battery provided by the present application can have high energy density, high First Coulombic Efficiency, long cycle life and long storage life at the same time.

The application discloses a kind of laser processing system and laser processing method;The system includes feeding belt line body, rotating table mechanism, feeding swing arm transfer mechanism, first and second probe pressing mechanism, first and second laser processing position, unloading swing arm transfer mechanism and unloading variable pitch belt line body;Feeding swing arm transfer mechanism can make adjacent products relative displacement to change the spacing between adjacent products during rotating transfer;Unloading swing arm transfer mechanism can keep the arrangement direction of the product being grabbed in horizontal plane unchanged during transfer;The adjacent transmission belt module of unloading variable pitch belt line body is set with divergent included angle, so that the product gradually opens the spacing along the transverse during transmission to the front with transmission belt module to complete variable pitch unloading.The application effectively reduces the occupied space of equipment, realizes the efficient synchronous variable pitch and partition collaborative linkage processing of product.

The invention relates to the field of microbiological examination laboratory equipment, and discloses a drying and disinfecting device and method for a specimen glass slide for microbiological examination. The device comprises a machine shell, a motor and a controller, the detachable rotating shaft is in transmission connection with the driving motor; the support frame is detachably arranged on the detachable rotating shaft and forms a plurality of mounting surfaces; the glass slide mounting plate is detachably mounted on the mounting surface, and a plurality of glass slide mounting stations are arranged on the glass slide mounting plate; the drying module comprises a drying lamp; the disinfection module comprises an ultraviolet disinfection lamp; and the control module is electrically connected with the driving motor, the drying module and the disinfection module and is used for executing a drying program and a disinfection program. The problems that in an existing glass slide processing method, the drying capacity and uniformity are difficult to consider at the same time, the drying process is uncontrollable, and low efficiency and safety risks are caused by separation of the drying process and the disinfection process are effectively solved.

The application provides a positive electrode sheet, a secondary battery and an electronic device. The positive electrode sheet comprises a positive electrode current collector and a positive electrode active material layer arranged on at least one surface of the positive electrode current collector. The positive electrode current collector has a first edge in the width direction of the positive electrode sheet. A first edge coating layer is arranged on the surface of the positive electrode current collector between the positive electrode active material layer and the first edge. The first edge coating layer comprises a first insulating material and a first binder. The first binder comprises modified polyimide and polyvinylidene fluoride. The modified polyimide is obtained by modifying polyimide with an acrylate monomer. The modified polyimide contains a polar group. The polar group comprises at least one of a cyano group, a carboxyl group, an amino group, a sulfonic acid group or a phosphate group. The molar ratio of the main chain of the polyimide to the polar group is 1:(0.1-0.6). The mass ratio of the modified polyimide to the polyvinylidene fluoride is 1:(0.1-5). Through the above arrangement, the capacity and safety performance of the secondary battery can be improved.

The utility model relates to the technical field of medical instruments, and discloses a urine catheterization device for nursing, which comprises a urinary catheter, an expansion mechanism is arranged at one end of the urinary catheter, a corrugated pipe can be extended by pulling a pull ring on a support frame to achieve the effect of container expansion, and when the urine catheterization device is not used, the corrugated pipe can be contracted to reduce the volume of a container, so that the urine catheterization device is convenient to use. A lower fixing seat and an upper fixing seat are installed on one sides of the two supporting frames, the lower fixing seat and the upper fixing seat are rotationally connected through a hinge, and inner fixing seats are slidably installed in the lower fixing seat and the upper fixing seat, so that during use, a pull ring extends out through a first limiting hole and rotates by 90 degrees to achieve connection of the supporting frames and the inner fixing seats; when the pull ring is pulled, the inner fixing seat moves synchronously with the transverse plate, and meanwhile, the inner fixing seat is fixed under the action of a limiting groove and a rubber pad, so that the situation that the corrugated pipe is collided or urine flows back due to natural recovery can be avoided.

The present application relates to the technical field of porphyrin-based covalent organic framework material preparation, in particular to a mild preparation method of acetaldehyde-based porphyrin covalent organic framework and application thereof, which comprises the following steps: step one: dispersing ligand 2', 5'-bis((ethyl sulfide) methyl)-[1,1':4',1''-triphenyl]-4,4''-diamine in acetonitrile solution to obtain solution A, and dissolving acetaldehyde-based porphyrin in dichloromethane to obtain solution B; step two: mixing solution A and solution B; step three: adding ferric chloride and acetic acid as catalysts to react under mild conditions to obtain acetaldehyde-based porphyrin covalent organic framework material, which has excellent gaseous iodine adsorption performance. The synthesis method provided by the present application has mild conditions, simplifies the high-temperature time-consuming shortcomings of traditional porphyrin-based covalent organic framework material synthesis, and realizes the synthesis of special ligand covalent organic framework.

The embodiment of the invention discloses an equipment control method and device and an ad hoc network system, and the method comprises the steps: setting a plurality of semantic tags for node equipment of an ad hoc network from a plurality of different dimensions, embedding a target node equipment tag group in equipment control information when scene control or group control is carried out, and carrying out the scene control or group control. And positioning the target node equipment needing to be controlled by using the target node equipment label group, and sending the equipment control information in the ad hoc network in a broadcast mode. And meanwhile, each node device matches and judges whether a target node device exists or not based on a semantic tag of the node device and a target node device tag group by broadcasting the received device control information, and executes an action instruction in the device control information when judging that the node device is the target node device. Thus, scene control or group control can be realized in a low-latency manner without controlling a command or address translation of the gateway device.

This application provides an energy storage converter and its control method. The energy storage converter includes at least two power units, with the DC connection terminals of the at least two power units connected in parallel with a bus capacitor, and the AC connection terminals of the at least two power units also connected in parallel. The control method includes: generating a modulation signal corresponding to each power unit based on the three-phase current and DC voltage of the at least two power units; generating a control signal corresponding to each power unit based on the modulation signal; and controlling each power unit using the modulation signal and the control signal. The scheme of this application designs multiple power units connected in parallel, and each power unit is controlled independently, which can multiply the converter capacity and realize the charge / discharge cycle management of large-cell energy storage batteries. Furthermore, since the at least two parallel power units are connected between the DC and AC sides, only one independent battery cluster connected to the DC side needs to be managed, achieving one-cluster-one-management requirements.

The utility model discloses a sea cucumber soaking combined pot which is provided with an outer container and an inner container which can be separated, and the outer container comprises an outer heating bottom, an outer heating wall and an outer port; the inner container comprises an inner heat transfer bottom, an inner heat transfer wall and an inner port; the inner container is arranged in a containing space which is defined by the outer heating bottom and the outer heating wall and used for dry pot cooking through the outer end opening, and the containing space is defined by the outer heating bottom and the outer heating wall. By means of the innovative design of the sea cucumber soaking combined pot, more efficient, safer and more convenient sea cucumber soaking experience is achieved, meanwhile, better rice taste and multifunctional use possibility are additionally provided, cost is lower, and remarkable market advantages are achieved.

The present application relates to the technical field of energy storage, and discloses an energy storage system coupling a high-temperature heat pump and compressed air, which comprises a steam turbine power cycle subsystem, a high-temperature heat pump subsystem, a non-combustion compressed air energy storage subsystem and a molten salt heat storage system; steam turbine exhaust is used as a low-temperature heat source of the high-temperature heat pump, a steam turbine condenser is omitted, the temperature of the low-temperature heat source of the heat pump is raised to reduce the temperature difference and improve the COP of the heat pump; the molten salt heat storage is used as a unified high-temperature heat source, which drives the steam turbine to generate power, heats the air before the expansion of compressed air, and absorbs the excess high-temperature heat of the heat pump. The present application effectively improves the energy efficiency of the heat pump and the power generation efficiency of compressed air, realizes efficient energy utilization, and is suitable for new energy consumption and long-time peak regulation of the power grid.

This invention provides a steelmaking feeding device and steelmaking equipment, relating to the field of steelmaking technology. It includes: a hoisting structure and a conveying structure distributed below the hoisting structure; the conveying structure includes a fixed plate, a slide rail, a drive trolley, and a receiving cavity; the fixed plate is distributed below the hoisting structure, the slide rail is fixed to the fixed plate at equal intervals, and the receiving cavity is distributed on one side of the drive trolley. The drive trolley drives the receiving cavity to slide on the slide rail, used to transport materials hoisted by the hoisting structure; a screen plate is fixed to the inner wall of the receiving cavity, dividing the inner cavity into upper and lower cavities. A compression structure is provided in the upper cavity, used to compress the material inside the receiving cavity. This invention optimizes the feeding process through automatic screening and step-by-step feeding, significantly improving efficiency and reducing energy consumption when combined with material compression transportation, and achieving precise and intelligent feeding operations through full-process automated control.

The embodiment of the application provides a personal perfume necklace with an absorbent rope, and relates to the technical field of jewelry. The perfume necklace comprises a bottle and a rope. The bottle is used for containing perfume, and the perfume in the bottle can be replaced daily or at any time. A part of the rope is connected to the bottle and extends into the bottle, and the rope has absorbency to absorb the perfume, so that the perfume volatilized through the rope can emit fragrance. By containing the perfume in the bottle, the volatilization is slower, more persistent, and the remaining amount of the perfume can be seen. Compared with the mode of opening the bottle pendant, the wearer does not need to open the bottle, the perfume can be automatically diffused and volatilized along the rope, and the use of the wearer is facilitated.

This utility model discloses a fixing device for battery processing, including a base. A left side plate and a right side plate are arranged in parallel on the upper end of the base. A second working support plate is fixedly connected between the left side plate and the right side plate. A first working support plate is provided above the second working support plate. An installation groove is provided between the first working support plate and the right side plate. A welding nozzle, movably connected to the left side plate and the right side plate, is provided above the first working support plate. A clamping plate, movably connected to the left side plate, is provided above the second working support plate. By providing a support plate for welding, this application allows two batteries to be placed on the support plate simultaneously for welding during the welding process. It also allows two batteries to be connected in series or parallel to form a battery pack. Series welding increases the voltage of the battery pack, while parallel welding increases its capacity.

The utility model belongs to the technical field of automobile production line equipment, especially relates to a trolley delivery rack, it is composed of side frame one, side frame two, upper layer roof beam, lower layer roof beam, side frame one, side frame two are set up oppositely, and upper layer roof beam, lower layer roof beam are set up between side frame one, side frame two, side frame one, side frame two structure are same, are all composed of stand, upper connecting beam, lower connecting beam, and stand sets up in both ends, and upper connecting beam, lower connecting beam are connected between the stand, upper layer roof beam, lower layer roof beam, structure is same, all are rectangular tubular parts, and two ends are made with assembly screw hole on it, and its top surface oppositely sets up limit block one, limit block two. The utility model trolley delivery rack structure design scientific and reasonable has the advantages such as stable and firm structure, larger capacity, can fully utilize loading space, convenient loading and fixing, is a kind of trolley delivery rack with higher innovation.

Provided is a binder composition for a negative electrode which can achieve both a high capacity and an excellent capacity retention rate of a lithium-ion secondary battery. The binder composition for a lithium-ion secondary battery negative electrode of this invention is characterized by containing a vinylphosphonic acid- or vinylphosphonic acid ester-derived vinyl phosphorus polymer and a cellulose-based water-soluble polymer.

The utility model relates to municipal and highway drainage engineering technical field especially, relate to a bridge accident drainage collection device, including oil separation sedimentation tank, accident pool, water quality detection well, sedimentation tank inlet water electric valve, accident pool inlet water electric valve, the water quality detection well is linked together with the inlet pipe of accident water, the oil separation sedimentation tank and accident pool are linked together with the both ends of water quality detection well through the water pipe, the top of oil separation sedimentation tank is equipped with the oil baffle along the vertical direction, the bottom of oil baffle is suspended in the pool bottom of oil separation sedimentation tank, and the water flows through the oil separation cavity and enters the deposition cavity from the bottom of oil baffle from top to bottom, the middle of accident pool is equipped with overflow weir, and the overflow weir divides accident pool into two compartments, and after the first compartment is full of water, can overflow to the second compartment through overflow weir. The utility model can solve how to collect the accident drainage collection of the road section crossing sensitive water area, avoid the environmental risk of pollutant entering sensitive water area, realize the real-time monitoring and emergency expansion function problem.

The utility model relates to smoke detection technical field, concretely is a kind of external hanging type composite fire detector, including shell;Shell inside is equipped with smoke detection mechanism, and smoke detection mechanism includes slow flow cavity, slow flow cavity is set in shell inside one end, two gas inlets are set in slow flow cavity side, and combustible gas sensor is fixedly connected in slow flow cavity inside, slow flow cavity side is communicated with air cavity, and air cavity side is communicated with detection cavity, and smoke detection assembly is fixedly connected in detection cavity inside. The aspirating smoke detector for detecting fire that is set can detect smaller smoke particles and combustible gas that early-stage technology cannot see, these particles are produced in the earliest stage of this fire of excessive heating and open fire or smoldering, can discover the existence of fire within hours before visible smoke even earlier, the very high sensitivity makes the aspirating smoke detector for detecting fire can send out alarm in time in the early stage of fire development, effectively prevent the spread and expansion of fire.

The present disclosure provides a silicon-based anode electrode plate and a preparation method thereof, and a lithium-ion battery. The silicon-based anode electrode plate includes a porous current collector and a silicon containing material, the silicon containing material is attached to pores of the porous current collector, and the porous current collector is a porous carbon material. On the one hand, the use of the network structure of the porous carbon material itself greatly reduces the resistivity of the silicon-based anode electrode plate, thereby the toughness of the silicon-based anode electrode plate is enhanced, and the expansion of the silicon-based anode electrode plate is effectively prevented. On the other hand, the network structure of the porous carbon material itself covers the particle surface of the silicon carbon material and establishes the highly conductive, firm, and long-lasting connection between silicon particles. In addition, compared with a metal current collector, the porous carbon material has the advantages such as low density, low cost, and corrosion resistance. Therefore, the use of the porous carbon material as an anode current collector may reduce the content of a conductive agent in the silicon-based anode electrode plate, and increase the proportion of the silicon carbon material in the entire silicon-based anode electrode plate, the energy density of a battery cell is further improved.

This invention discloses a coherent transmission method and PON system based on digital subcarrier multiplexing, relating to the field of optical access network technology. The method includes: in the downlink transmission direction, the OLT transmitter generates an Alamouti-coded signal of M digital subcarriers, performs digital-to-analog conversion and dual polarization modulation, and transmits it as a downlink signal to the ONU receiver; the ONU receiver performs heterodyne coherent detection, analog-to-digital conversion, and digital signal processing, with the downlink signal occupying a single-sideband spectrum of the ONU's light source; in the uplink transmission direction, the ONU transmitter generates data of M digital subcarriers, performs digital-to-analog conversion, and then performs single-sideband modulation based on the ONU's light source, transmitting it as an uplink signal to the OLT receiver, with the uplink signal occupying another single-sideband spectrum; the OLT receiver performs analog-to-digital conversion and digital signal processing after coherent reception. This application enables bidirectional high-speed transmission, and uses the same light source for both transmission and reception at the ONU, which increases the capacity of the PON system, simplifies the ONU's structure and algorithm, and reduces system costs.

The invention discloses an ear plate local stress high spatial resolution monitoring method and system based on ultra-weak grating spectral shape demodulation. The system comprises an optical fiber sensing array, a light source module, a detection module, a data acquisition and physical information neural network inversion module and a display alarm module. The optical fiber sensing array is composed of N ultra-weak gratings arranged in a stress concentration area of the ear plate and is used for sensing local strain; the light source and detection module adopts a time division and wavelength division multiplexing strategy to realize synchronous monitoring of multiple ear plates; the data acquisition and inversion module acquires stress distribution along the length direction of the ultra-weak grating based on a physical information neural network inversion model; and the display alarm module realizes local stress threshold alarm of the ear plate. According to the invention, high-precision and real-time monitoring of local stress of metal connection nodes such as ear plates can be realized, the method is suitable for long-term online health monitoring of large-scale structure connection areas such as bridge inhaul cables, steel trussed beams and cable bent towers, and technical support is provided for structural fatigue early warning and safety assessment.

This utility model discloses a toner cartridge with increased capacity, comprising a toner cartridge body and a waste toner cartridge. The toner cartridge body is installed at the lower end of the waste toner cartridge, and a gap is formed between the lower end of the waste toner cartridge and the front side of the upper end of the toner cartridge body, which constitutes a laser channel. Capacity expansion compartments are respectively provided on the left and right sides of the upper front side of the toner cartridge body. The capacity expansion compartments include a first receiving compartment and a second receiving compartment. The first receiving compartment is located directly below the waste toner cartridge, and the second receiving compartment is located in front of the front end of the waste toner cartridge, with its upper end extending above the front end of the waste toner cartridge. Since there is already a gap between the toner cartridge body and the waste toner cartridge for the laser beam to pass through, the first receiving compartment utilizes the unused space between the waste toner cartridge and the toner cartridge body, increasing the capacity of the toner cartridge body; the second receiving compartment extends to the front end and above the waste toner cartridge, utilizing the longitudinal space in front of the waste toner cartridge and the unused space in front of the toner cartridge inside the printer.

The invention relates to a large current generating device and current transformer verification equipment, and relates to the field of extra-high voltage power supply equipment, and the large current generating device comprises a three-phase rectification unit, an IGBT full-bridge conversion unit, an isolation conversion transformer, a rear-end capacitance compensation unit and a control feedback unit. The three-phase rectification unit can convert three-phase alternating current into direct current, the IGBT full-bridge conversion unit is connected with the three-phase rectification unit and can convert the direct current into single-phase alternating current, and the input end of the isolation conversion transformer is connected with the IGBT full-bridge conversion unit and can increase the current of the single-phase alternating current and output large-current alternating current. The rear-end capacitance compensation unit is connected to the output end of the isolation conversion transformer to improve the power factor of the large-current alternating current, and the control feedback unit is arranged between the output end of the isolation conversion transformer and the IGBT full-bridge conversion unit, so that the output current can be improved, and the weight and the cost of the device can be reduced.