28results about How to "Stable power output" patented technology

The utility model relates to the technical field of hairdressing equipment, in particular to a rotary adjustable hair curling rod which comprises a shell, a hair curling assembly, a rotary shifting piece and an upper limiting block. The gear set of the rotary base is meshed with the driven gear, and the second gear teeth of the rotary shifting piece are meshed with the gear set, so that accurate rotation control over the curling iron is achieved, the curling angle and the curling direction can be adjusted more flexibly and stably, the curling effect and the user experience are improved, and the practicability is high. The heating piece is guided through the first moving guide rail and the second moving guide rail, the stability and accuracy of the heating piece in the hair curling process are guaranteed, the problems that a traditional hair curling rod is uneven in heating and unsmooth in hair curling are solved, the hair curling quality is effectively improved, and the upper limiting block and the top cover improve the structural stability of the hair curling rod and improve the hair curling efficiency. And in addition, the use safety is improved, the heating piece is prevented from accidentally falling off or shifting, and safer and more reliable use experience is provided for a user.

The utility model relates to the technical field of power supply control, in particular to a pump power supply control circuit for high-side driving. The circuit comprises a pump power supply controller which is used for generating a driving control signal and adjusting the driving control signal according to an error signal; the driving module is used for receiving a driving control signal; the power conversion unit is configured to boost a direct current input voltage into a pump voltage under the control of the driving module according to the driving control signal; the feedback sampling circuit is used for sampling the pump voltage and generating an error signal; the isolation feedback device is used for transmitting the error signal to the pump power supply controller in a potential isolation mode; the pump power supply controller takes the cathode of the DC input power supply as the reference ground, and the pump voltage takes the anode of the DC input power supply as the reference standard. The scheme is suitable for high-side driving application, is a pump power supply control scheme which is novel in structure, stable in performance, flexible in control and controllable in cost, and has good popularization and application prospects.

The utility model provides a hydraulic power compressed air energy storage power adjusting device system, a water flow adjusting device in the power adjusting device system comprises an air storage container and a water storage container, an air compression device pipeline is connected with the air storage container, and the air storage container is communicated with the water storage container through an air expansion pipe network and an energy storage air delivery pipe network respectively. The water storage container is connected with the water storage tank through an energy storage water injection pipe network, and an adjusting pump assembly is arranged on the energy storage water injection pipe network. The inlet end of the hydroelectric generation device is connected with the water storage container through the energy releasing water conveying pipe network, the outlet end of the hydroelectric generation device is connected with the water storage tank, and the frequency conversion rectifying device is electrically connected with the hydroelectric generation device. The water outlet pressure and flow of the water storage container are controlled by adjusting the pressure of compressed air, the rotating speed, the output power and the like of hydraulic equipment are stably adjusted by combining the hydraulic power generation device and adjusting the water inlet quantity, the variable-frequency rectifying device is connected, the current of an output power supply is adjusted, the power is kept stable, and the quality of the power supply is improved.

The utility model discloses a mobile power supply multi -mode voltage conversion charging protection circuit, including 555 timer, 555 timer is configured as self -excitation mode and is through first resistance, second resistance and first electric capacity to configure generation PWM signal, inductor, one end of inductor is connected to the power end of 555 timer, and the other end is connected to the anode of output diode, and the cathode of output diode is connected to circuit output end, switch element, switch element selects N channel MOSFET, and its gate is connected to the output end of 555 timer, and its source is connected to inductor to output diode between, and its drain is connected to ground, output capacitor, output capacitor is connected between the cathode of output diode D and output end, the utility model discloses can realize voltage conversion and protection under different modes.

The invention discloses an energy flow distribution method and device for a fuel cell combined cooling heating and power system. The method comprises the following steps: acquiring power side data, cold and hot side data and global data of the fuel cell combined cooling heating and power system; respectively predicting a power supply and demand difference corresponding to the power side data, a minute-level load change corresponding to the cold and hot side data and a next-day load curve corresponding to the global data through a multi-time scale distributed prediction algorithm; adjusting the battery operation power of the fuel battery combined cooling heating and power system in real time according to the power supply-demand difference; adjusting the running state of a cooling and heating device of the fuel cell cooling, heating and power combined supply system according to the minute-level load change and the cell running power; a multi-target optimization model is constructed according to the next-day load curve, and the running state of a hydrogen production device of the fuel cell combined cooling heating and power system is adjusted in combination with the multi-target optimization model; the overall energy utilization rate of the fuel cell combined cooling heating and power supply system is improved through overall cooperation, and the real-time performance of power adjustment is guaranteed.

This invention discloses a multi-power adaptive fusion output method and system, relating to the fields of automation control and power machinery. It addresses the problems of traditional multi-power systems with fixed ratios, single adjustment dimensions, insufficient adaptive capability, low control precision, and susceptibility to vibration instability under complex working conditions. The method is based on three-level dynamic coupling and feedback iteration of hardness-direction-vibration. It involves five steps: environmental perception, basic weight calculation, initial power ratio synthesis, feedback iterative optimization, stable output, and memory. It dynamically adjusts the output ratio of the dual power devices using S-shaped response curves, sinusoidal coupling terms, and hyperbolic tangent smoothing iterative algorithms. The system consists of a perception module and a state monitoring module, a control core and an adaptive database, and dual-power execution modules connected by connecting cables. This invention achieves refined power matching, improves system adaptability and robustness, possesses self-learning capability under working conditions, significantly improves operational efficiency, and is suitable for complex operational scenarios such as tunnel dredging.

The application discloses a kind of plant synergistic microbial power generation methods, including preparation membrane electrode, preparation plant material, electrode and plant tissue coupling, reference electrode connection, circuit connection, microbial inoculation, enhance microbial activity and fuel cell start-up etc., the application gets rid of the dependence on water environment, make the operation of plant power generation greatly reduce the influence of environmental factors, power output is more stable, thereby improve power generation efficiency and reliability.Secondly, the application expands the range of coupled plants.In addition, the application innovatively introduces microporous filter membrane between membrane electrode and plant tissue, optimizes the contact and material exchange between electrode and plant tissue, which helps to improve the performance of electrode and the power generation efficiency of fuel cell.

The invention discloses a new energy automobile thermal management control method and system capable of self-adapting to the altitude. Environment, battery, electric drive and air conditioner parameters are acquired through a multi-dimensional parameter acquisition module, the altitude and road condition change of a driving route is predicted in combination with comprehensive road condition data, the heat production load of the battery is pre-judged, and a predicted working condition is generated. A PID + fuzzy control fusion algorithm is adopted, thermal management compensation parameters are calculated according to the altitude, wind speed correction is combined, and PID parameters are dynamically adjusted to adjust target cold and hot power of a battery, an electric drive and an air conditioning system. Meanwhile, real-time fault diagnosis and mode setting are carried out based on a preset fault strategy. According to the method, by constructing an altitude-air pressure-thermal management parameter dynamic mapping model, multi-system cooperative adaptive control is achieved, the cruising ability, the battery life and the comfort of the new energy vehicle in a full-altitude area are effectively improved, and the method has good practicability and reliability.

The invention discloses a low-pressure adaptive modulation method for a high-altitude variable-speed pumped energy storage transformation converter. The method comprises the steps of data acquisition, low-pressure modeling, insulation-power cooperative modulation, cooperative execution, state monitoring and circulation. The system comprises five core modules, namely a multi-parameter data acquisition module, a low-pressure characteristic modeling module, a low-pressure self-adaptive modulation module, a water turbine-converter cooperative modulation and execution module and a state monitoring and feedback module. The invention mainly aims to solve the three problems of high insulation breakdown risk, large power output fluctuation and mismatching with the working condition of an original water turbine caused by a low-pressure environment of a full-power converter when variable-speed water pumping energy storage transformation is carried out on a high-altitude small and medium-sized hydropower station. Dynamic adaptation of the full-power converter in'power generation-pumped energy storage 'dual-mode switching is achieved, meanwhile, the requirements of'low-cost transformation, simplified control and quick response' of small and medium-sized power stations are met, and safe and stable operation and electric energy quality of a transformed unit are guaranteed.

The utility model belongs to the technical field of uninterruptible power supply equipment, and particularly relates to a vanadium liquid electric pile-based UPS system, which comprises a mains supply monitoring unit, a mains supply module, a vanadium liquid electric pile, a standby energy storage module, a plurality of inverters, a rectifier module, a first switching module and a main control module, the mains supply monitoring unit is arranged on the mains supply module; the output end of the mains supply monitoring unit and the control end of the first switching module are respectively connected with the main control module; the output end of the mains supply module is connected with the first switching module; the output end of the vanadium liquid electric pile is connected with the input end of the first inverter, and the output end of the first inverter is connected with the first switching module; the output end of the standby energy storage module is connected with the input end of the second inverter, and the output end of the second inverter is connected with the first switching module; the output end of the first switching module is connected with a load; the output end of the commercial power module is connected with the charging end of the standby energy storage module through the rectification module. The utility model has the advantage that the reliability of the UPS system can be improved.

The utility model relates to an automatic changing device of brake disc workpiece belongs to brake disc positioning changing technical field. It includes frame, workpiece positioning frock and changing adjustment mechanism, and workpiece positioning frock includes taper sleeve and positioning fixture, and taper sleeve sets up floatingly, and taper sleeve is used for positioning the center hole of brake disc, and positioning fixture is used for supporting the inner end face of the cap of brake disc, and changing adjustment mechanism includes frock library, changing pneumatic clamping jaw and changing drive mechanism, and frock library is used for storing the taper sleeve and positioning fixture of waiting for changing, and changing pneumatic clamping jaw can automatically change the taper sleeve and positioning fixture under the action of changing drive mechanism. When needing to change the measurement of brake disc, changing pneumatic clamping jaw can take down the original taper sleeve and positioning fixture and put back frock library, and can clamp the taper sleeve and positioning fixture of corresponding model and move to workpiece positioning frock, realize the automatic change of the taper sleeve and positioning fixture of corresponding model, and the whole changing is quick and efficient, reduces the labor intensity of worker.

The utility model discloses a planet carrier input series-parallel hybrid power system for a tractor, which comprises an engine, a central shaft, a shaft sleeve, a planet row, an EM1 motor and an EM2 motor, the planet row comprises a sun gear, a planet gear, a planet carrier and a gear ring, one end of the central shaft is connected with the engine, and the other end of the central shaft is connected with the planet carrier; a planet wheel of the planet carrier is connected with the gear ring, and the gear ring outputs power to a walking system; one end of the shaft sleeve is provided with the sun gear and connected with the planet gear, and the other end of the shaft sleeve is connected with the EM1 motor which is used for generating electricity; and the EM2 motor is coupled to the gear ring. The utility model has the advantages of compact structure, strong functionality, stable power output and the like.

The utility model relates to the technical field of electronic cigarettes, in particular to a multi-mesh heating wire atomizing core of an electronic cigarette. The atomizing core comprises an atomizing tube, a heating wire and inner wrapping cotton, the heating wire is wrapped outside the inner wrapping cotton and is arranged in the atomizing pipe; the heating wires comprise three net-shaped heating wires; the pins on one side between the mesh heating wires are connected into one pin, and the other pins are mutually independent. According to the utility model, the three-in-one problem of the atomizing core is solved; the atomizing core can be applied to an atomizing core structure.

The utility model relates to horizontal machining center technical field, concretely is adjustable clamp's horizontal machining center, include: moving assembly, moving assembly includes processing platform, placing plate, screw rod and rotation gear, the bottom fixed connection of placing plate is in the top of processing platform, the left side of screw rod is penetrated to the inside of placing plate, through moving assembly, when rotating gear drives screw rod to rotate in processing the part, the inside of placing plate carries out rotating lever and drives moving plate to move horizontally, makes moving plate move to inboard simultaneously, the interval of moving plate is adjusted to staff, through sliding groove, make moving plate move according to the moving track provided by sliding groove when moving, prevent the deviation of movement, through double -end motor, double -end motor drives the rotation of connecting gear, connecting gear drives the rotation of rotation gear, provides stable power output when using.

The utility model relates to the technical field of anti-blocking devices, and discloses an anti-blocking device for a corn germ meal slurry storage tank, which comprises a storage pool, the top side of the storage pool is fixedly connected with a protective shell, the top side of the protective shell is fixedly connected with an electric sliding rail, the outer wall of the electric sliding rail is provided with a sliding block, and the sliding block is fixedly connected with the protective shell. The outer wall of the sliding block is rotationally connected with a spray head, the top side of the sliding block is rotationally connected with two winding rollers, the outer walls of the two winding rollers are connected through a gear set, the inner wall of the protective shell is rotationally connected with a transmission rod, and the bottom side of the protective shell is rotationally connected with a stirring shaft. According to the utility model, the stirring shaft is driven by the motor I to stir corn germ meal slurry and sediments in the storage pool, so that the corn germ meal slurry and the sediments are uniformly mixed, the sediments are prevented from being accumulated and blocking the discharge port, and meanwhile, smooth discharge is realized by utilizing the rotation of the auger. In addition, the winding roller is driven by the second motor, the angle and position of the nozzle are adjusted, and residues on the inner wall of the storage pool are automatically flushed.

The water soaking mechanism for the steam boiler comprises a boiler body water tank and an air chamber, and the air chamber is fixedly installed on the top face of the boiler body water tank. The steam boiler has the advantages that the reducer pipe and the turbine are adopted, when the steam boiler works, the high-temperature smoke pipe is arranged in the boiler body water tank, water in the boiler body water tank is heated at high temperature, steam is formed by the water and then enters the bent pipe along the air inlet hopper, at the moment, the diameter of the section of the bent pipe is large, and when the steam passes through the reducer pipe, the pipe diameter of the other end of the reducer pipe is reduced; the steam flow speed is increased, so that the steam outlet flow speed of the steam inlet pipe is increased, the blowing efficiency of the turbine is improved, the rotating efficiency of the turbine is improved, the turbine drives the shaft rod and the stirring rod to rotate, water in the furnace body water tank is stirred, and the heat distribution uniformity is improved; the problem that friction loss is increased due to middle force transmission is solved, power output is direct and stable, the stirring efficiency is improved, and then the working efficiency is improved.

The utility model provides a material mixing device for PVC pipe processing convenient to feed, which comprises a stirring tank, a stirring mechanism is arranged in the stirring tank, the stirring mechanism comprises a stirring rod, a rotating rod and stirring blades, the top of the stirring rod penetrates into the stirring tank, the bottom of the stirring rod penetrates into the bottom of the stirring tank, and the rotating rod is arranged in the stirring tank. The surface of the stirring rod is sleeved with the rotating rod, the inner sides of the stirring blades are fixedly connected to the surface of the stirring rod, the surface of the rotating rod is fixedly connected with overturning blocks, a cavity is formed in each overturning block, the number of the overturning blocks is multiple, and the overturning blocks are evenly distributed on the surface of the rotating rod. The stirring rod drives the rotating rod to rotate, the stirring rod drives the stirring blades to rotate, raw materials in the stirring tank are fully stirred, the overturning blocks are arranged, when the rotating rod rotates, the overturning blocks rotate at the same time, and the stirring efficiency of the raw materials is improved.

The application discloses a power supply control circuit capable of flexibly switching protection modes, belongs to the technical field of switching power supply protection, and comprises a constant power control unit and a hiccup protection control unit. The constant power control unit realizes power output in the state of small overcurrent. The hiccup protection control unit realizes the mode of hiccup output in the state of excessive overcurrent or short circuit. The application introduces the constant power control unit and the hiccup protection control unit. The constant power control unit is used to realize stable power output in the state of small overcurrent, and the hiccup protection control unit is used to realize the mode of hiccup output in the state of excessive overcurrent or short circuit. The power supply control is provided with the functions of realizing instantaneous over-power in a short term and realizing hiccup protection in a long term. In the meanwhile, the functions of constant power output and hiccup protection are met, and the reliability and adaptability of the controlled power supply can be obviously improved.

The utility model provides an axial piston type pneumatic actuator. The axial piston type pneumatic actuator comprises a shell; the rotating shaft is rotationally mounted in the shell; the cylinder body is arranged in the working cavity, the cylinder body and the rotating shaft are fixedly connected and can rotate synchronously, a plurality of piston holes are formed in the lower end of the cylinder body, and the piston holes are circumferentially and uniformly distributed around the axis of the rotating shaft; the piston unit is arranged in the piston hole in a sleeved mode and can slide in the axial direction, and the sliding direction of the piston unit is parallel to the rotating axis of the rotating shaft; the guide curved surface is arranged in the working cavity and can be in contact with the end part of the piston unit; the air distribution disc is arranged in the shell and used for supplying air to the piston holes and exhausting air from the piston holes, so that the piston units sequentially move in a reciprocating mode and drive the cylinder body and the rotating shaft to rotate. The axial piston type pneumatic actuator is compact in structure, small in occupied space, suitable for various narrow installation environments, high in axial force transmission efficiency and capable of effectively reducing energy loss.

This invention discloses a dynamic adjustment method for power stability of a mobile power bank based on time-series modeling, relating to the field of mobile power bank technology. The method includes: real-time acquisition of the output current and voltage waveforms of the mobile power bank within a continuous time unit; extraction of the periodic decay characteristics of the waveform oscillation frequency and the instantaneous response hysteresis characteristics during load abrupt changes; establishment of a power compensation function based on the correlation between the decay and hysteresis characteristics; prediction of the probability of load abrupt changes in subsequent time units using the compensation function; generation of dual adjustment parameters including amplitude compensation and phase calibration direction when a phase shift is detected between the current waveform oscillation frequency and the historical decay trajectory; real-time adjustment of the switching device conduction sequence based on the dual parameters; comparison of the actual output waveform with the expected trajectory of the compensation function after adjustment; and automatic backtracking correction of the decay rate weight coefficient when the deviation exceeds a threshold. This invention effectively suppresses voltage drops, overshoot, and high-frequency oscillations, ensuring stable operation of connected devices.

The application discloses a slitting device with dust removal function, which comprises a machine body, a water spraying module, a slitting module and a dust removal module. The machine body is divided into upper and lower shells, and four guide wheels are arranged under the shells. The water spraying module is arranged at the front end of the machine body, a water tank is connected with a water guide pipe through a water pump, the slitting module is connected with a spring suspension at the middle part of the machine body, an oil return system is fixed on the outer wall of the suspension through a platform, an oil pump is connected with an oil tank and a reversing valve, the reversing valve is arranged at the bottom of the platform, the reversing valve is connected with an oil return cylinder and fixed on the side of the platform, the oil return cylinder is connected with the spring suspension, the two oil return cylinders of the oil return system are connected with each other, the oil return cylinder is connected with a clutch, the clutch is connected with an input and output shaft, centrifugal blocks are arranged on the output shaft, the input and output shafts are connected through bevel gears, and a belt drive is arranged between the engine and the bevel gears. The dust removal module is arranged at the end of the machine body, the engine is connected with dust removal blades of the dust removal module through a belt drive, the dust removal blades are fixed in a dust removal tank, and a filter screen is arranged on the dust removal port.

The invention relates to a cutting load balancing control method and system based on real-time working condition data, and belongs to the field of relevant research of intelligent manufacturing. Firstly, real-time working condition data of processing parameters and sensor data based on a standard protocol is constructed based on an OPC-UA server; secondly, time sequence data processing of real-time working condition data is achieved based on MongoDB, and the time sequence processing capacity of the data is improved; and then, load analysis and control parameter processing are carried out on time sequence data in the machining process through a fuzzy controller, and control over constant-load stable machining is achieved. The problems of load imbalance and low-efficiency control in product machining are solved, and constant-load stable and efficient machining is achieved.

The utility model discloses a logistics transportation loading and unloading device relates to the technical field of loading and unloading device, and this logistics transportation loading and unloading device includes loading and unloading main frame body, and is installed with loading and unloading subassembly in loading and unloading main frame body upper end inboard, the utility model discloses, when using, through the synergism of the power component such as drive cylinder and drive cylinder that is set symmetrically, realize the automation of lifting, translation, clamping etc. action, greatly reduce manual intervention, improve the loading and unloading speed, the cooperation of cargo clamping arm and linkage fixed plate ensures that cargo clamping is firm, reduces the risk of falling, the setting of front transmission protective cover and rear transmission protective cover can avoid personnel contact moving parts, reduce the occurrence of safety accidents, the height adjustment of lifting main frame is combined with the height adjustment of lifting slide, can adapt to different size goods and different height transport vehicles, expand the application range of device.

The invention discloses a small-size photovoltaic cell specific arrangement scheme based on a transparent flexible substrate material, and relates to the technical field of photovoltaic application. The transparent flexible substrate comprises a transparent flexible substrate body and a plurality of small-size photovoltaic cells, wherein all the photovoltaic cells are arranged on the surface of one side of the transparent flexible substrate body at intervals; and the connecting assembly comprises a copper core wire with an insulating layer and a welding spot. The transparent flexible substrate is combined with a small-size photovoltaic cell, and can be flexibly attached to a high-curvature curved surface and an irregular structural surface; the small-size battery pieces are arranged at intervals, a light-transmitting area of the substrate is reserved, the lighting requirement of scenes such as a glass curtain wall is met, and it is guaranteed that the outdoor observation view of people within 2 meters is not blocked; the small-size battery piece has a power generation function and a decoration effect, and is suitable for power supply of building outer wall decoration lamps, power supply of road landscape street lamps and other scenes; a power generation loop formed by connecting wires in series can adjust output voltage according to engineering requirements, and power transmission loss is reduced.

The utility model provides a kind of concentrator for drug production, it is related to drug production equipment technical field, including concentration tank body, the bottom of concentration tank body is sealed and is equipped with steam cavity, the inside of concentration tank body corresponding steam cavity is equipped with hollow plate, hollow plate is rotatably connected with transmission shaft by bearing, stirring rod is installed on transmission shaft between adjacent two hollow plates, and one end of transmission shaft is installed on concentration tank body by shaft seal structure.The utility model's stirring rod is installed by flexible elastic rod to enhance the resistance material adhesion ability and operating adaptability, transmission shaft is rotatably connected with hollow plate by bearing and adopts shaft seal structure to ensure the stable operation of stirring system and the sealing of tank body, and servo motor provides smooth power by the stable installation of motor support, support ring and support leg, and overall structure collaborative work improves concentration efficiency and equipment reliability.

This utility model relates to a centering and positioning device for a wood splitting machine, belonging to the manufacturing field. The centering and positioning device for a wood splitting machine includes: a feeding assembly; a material assembly disposed on the feeding assembly, which drives the material assembly to move; a wood splitting machine assembly disposed opposite to the feeding assembly, used to clamp and separate the material assembly; a first positioning assembly disposed adjacent to the feeding assembly, used for initial positioning of the material assembly; and a second positioning assembly disposed on the wood splitting machine assembly, used for secondary positioning of the material assembly. This application discloses a centering and positioning device for a wood splitting machine, which, by utilizing the coordinated operation of two positioning assemblies, ensures that the material is precisely positioned above the centerline of the splitting clamp before splitting, and the wood splitting machine assembly clamps it vertically and stably, completely avoiding interlayer friction in the finished product and significantly reducing the edge damage rate of the finished product.

The invention discloses a steady-state operation control method for an offshore direct-current wind turbine generator. The method comprises the steps that in the first stage, medium-voltage direct-current collection voltage is established and maintained through an offshore direct-current wind turbine generator; and in the second stage, after the offshore centralized booster station is started and takes over the control of the medium-voltage direct-current collection voltage, the offshore direct-current wind turbine generator set is switched to a power output mode, and a lead-lag link is added to a power control link of the machine-side converter, so that the power output is stable. According to the method, the problem of coordination control between the offshore direct-current wind turbine generator and the centralized booster station adopting diode uncontrolled rectification is solved, and stable operation of the system under starting and wind speed fluctuation is realized through two-stage coordination and additional control links.

The utility model relates to the technical field of power equipment, in particular to a hydraulic tool for disassembling and assembling an inner cone of a high-voltage power cable terminal. The high-voltage power cable terminal inner cone comprises a sleeve, a driving mechanism and a propeller, the high-voltage power cable terminal inner cone comprises a stop sleeve, a wire biting device and a wedge-shaped barrel, the top of the sleeve is provided with a limiting flange, the driving mechanism is connected to the bottom of the sleeve, the propeller is of a barrel-shaped structure with a hole formed in one end, and the propeller is movably connected into the sleeve. The large opening end of the wedge-shaped barrel abuts against the stop sleeve, the wedge-shaped barrel is sleeved with the wire biting device, the sealing end of the propeller is adsorbed to the output end of the driving mechanism, the hole opening end of the propeller abuts against the wire biting device, and the driving mechanism pushes the wire biting device to tightly sleeve the wedge-shaped barrel through the propeller. The tool adopts a hydraulic driving mode as power propulsion, is labor-saving and easy, and is stable in power output; the propeller is in butt joint in the sleeve in an adsorption mode, and disassembly and assembly are more convenient and faster.