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59results about How to "Stable power output" patented technology

Method for optimizing hybrid photovoltaic energy storage based on PerturbandObserve algorithm

The invention relates to the technical field of photovoltaic energy storage methods, and discloses a method for optimizing hybrid photovoltaic energy storage based on a Perturbobserve algorithm, which comprises a load, a photovoltaic power generation subsystem, an energy storage subsystem, a control and management system and a grid-connected system. The specific control method comprises the following steps: S1, obtaining an illumination intensity value within one day through a meteorological station, and obtaining a power grid net load value within one day through a voltage sensor and a current sensor; s2, taking economy optimization as a target, considering photovoltaic energy storage capacity constraints, and establishing an energy storage SOC control strategy target function; and S3, solving is carried out by using a PerturBobserve algorithm, and an optimal control pulse sequence is obtained. By optimizing the charging and discharging time and intensity of the energy storage battery, the consumption rate of photovoltaic power generation is maximized, the light abandoning phenomenon is reduced, and the energy loss in the charging and discharging process is reduced. Meanwhile, the PertuBobserve algorithm can avoid the excessive charging and discharging of the energy storage battery while considering the system load, prolongs the service life of the battery, and solves the problem of insufficient management of the service life of the battery in a traditional method.
Owner:JIANGSU ZHONGZHIHENG INTELLIGENT TECH CO LTD

Pressure energy power cylinder and action control method thereof

The invention relates to the technical field of deep sea equipment engineering, and discloses a pressure energy power cylinder and an action control method thereof.The pressure energy power cylinder comprises a sealing cylinder body, a piston rod and an underwater control piece; the piston rod comprises a push rod and a piston connected to the bottom end of the push rod, the top end of the push rod slidably and hermetically penetrates through the top end of the sealed cylinder body, and the piston divides a cavity of the sealed cylinder body into a rod cavity and a rodless cavity; the underwater control piece is installed at the bottom of the sealing cylinder body and can be driven to be switched on and switched off under the action of external pressure, so that the rodless cavity is communicated with or disconnected from the outside. The pressure energy power cylinder passes through the deep sea underwater control part. By the adoption of the technical scheme, the rodless cavity is communicated with the outside by controlling on-off of the underwater control piece under the external action, so that the power cylinder can stably output power, energy does not need to be additionally provided, and the device is simple in structure, free of a motor, a pumping system and a complex control system, easy to implement, safe and reliable.
Owner:NAT UNIV OF DEFENSE TECH

Household stacked mobile power supply

The utility model discloses a household stackable mobile power supply, and relates to the technical field of household mobile power supplies. Comprising a plurality of battery box bodies and a control box body, the battery box bodies and the control box body are placed in a stacked mode, battery modules are arranged in the battery box bodies, abutting frames used for limiting the battery modules are arranged on the two sides of the battery modules, and bottom plates are arranged at the bottoms of the battery box bodies; the length and the width of the bottom plate are smaller than those of the inner wall of the battery box body, and the two sides of the bottom plate are connected with the battery box body through supporting plates. Through the arrangement of the battery box bodies, the control box body, the limiting devices and the like, the mobile power supply is assembled from bottom to top, the batteries in each layer of battery box body are fixed through the limiting devices, and the limiting devices not only stably limit the batteries, but also are convenient to disassemble and assemble, so that the batteries are more convenient to install, and the service life of the mobile power supply is prolonged. Maintenance and monitoring of the mobile power supply can be facilitated.
Owner:大工晖耀智能科技洛阳有限公司

Distribution and micro collaborative simulation test platform and control method

InactiveCN119596728Astable supportImprove energy managementSimulator controlTechnology researchMicro grid
The invention discloses a distribution and micro co-simulation test platform and a control method, the distribution and micro co-simulation test platform is established by adopting a complete simulation mode, and the distribution and micro co-simulation test platform comprises the steps of constructing a plurality of simulation test bench areas, constructing a bench area simulation circuit and basic control equipment, being provided with equipment such as a simulation load, a power supply and an energy storage equipment, and being provided with edge calculation control equipment. According to the method, a full-real transformer area communication network is established, a simulation control software platform is established, a multi-source load storage equipment cooperative control program can be downloaded from edge computing control equipment, a distribution network and microgrid cooperative control program can be developed on the simulation control software platform, and management and control of the whole distribution network cooperative simulation test platform are achieved. According to the method, an environment which is completely equivalent to the reality is constructed, various practical problems and control schemes can be reproduced and tested, safe and efficient test conditions are provided, and effective support is provided for technical research related to the micro power grid.
Owner:YANGZHOU POWER SUPPLY BRANCH OF STATE GRID JIANGSU ELECTRIC POWER CO LTD

Self-propelled intelligent ginger combine harvester

The invention relates to a self-propelled intelligent ginger combine harvester which comprises a gathering automatic guide device, a vibration excavating and soil shaking device, an intelligent clamping and conveying device, a floating type flexible soil cleaning and impurity removing device, a stem cutting and seedling throwing device, a collecting and discharging device and an automatic speed regulating system. The deflection angle is monitored in real time, the deviation rectifying action is completed, and intelligent auxiliary driving is achieved; the vibration digging and soil shaking device digs the ginger, shakes soil and removes impurities; the intelligent clamping and conveying device conveys the ginger to the inclined upper part, the feeding amount is dynamically monitored, and intelligent speed regulation is realized; the floating soil cleaning and impurity removing device is used for flexibly removing soil of the ginger bulbs; the stem cutting and seedling slinging device transversely conveys the ginger plants to complete stem cutting and seedling slinging; the collecting and discharging device can dynamically detect the weight of the ginger in the collecting frame and quantitatively and automatically complete discharging; the ginger harvester is low in breakage rate, high in mechanization and intelligence degree, high in universality and adaptability and capable of meeting different ginger harvesting conditions.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Charging and discharging equalization control method and system based on multi-module battery pack

The invention discloses a charge-discharge equalization control method and system based on a multi-module battery pack, and relates to the technical field of charge-discharge control, and the method comprises the steps: monitoring the state parameter of each battery module in real time; the state parameters comprise voltage, current and residual electric quantity; based on a preset SOC dynamic algorithm and the state parameters, calculating the battery pack total capacity and the current residual electric quantity of each battery module to obtain a battery pack SOC; and performing charging equalization management and discharging equalization management on the plurality of battery modules according to a preset battery equalization control strategy, wherein each battery module is associated with the address number. According to the invention, the stability and reliability of the battery pack in a multi-module battery pack parallel connection scene are improved.
Owner:深圳新奥能源科技有限公司

Power scheduling method and device based on flexible load and pumped storage and terminal equipment

The invention discloses a power scheduling method and device based on a flexible load and pumped storage, and terminal equipment, and the method comprises the steps: taking the maximum flexible load income in a scheduling period as a first target, taking the minimum output fluctuation variance in the scheduling period as a second target, constructing a cooperative scheduling model, and solving the cooperative scheduling model, obtaining a load scheduling result in the scheduling period, a power generation power value of the target pumped storage power station in the scheduling period and a power utilization power value of the target pumped storage power station in the scheduling period; and then, according to a scheduling result, regulating and controlling a reducible load, a transferable load and a transferable load, and according to the power generation power value and the power utilization power value, controlling a target pumped storage power station. According to the method, pumped storage is combined with three types of flexible loads including the transferable load, the transferable load and the reducible load to cooperatively perform power scheduling, so that the power system can keep stable power output under different working conditions.
Owner:GUANGDONG POWER GRID CO LTD +2

Pure electric new energy hob type grass mower

The invention relates to the field of grass mower equipment, in particular to a pure electric new energy hob type grass mower which comprises a frame, a driving system, a lithium battery power system, a control panel and a grass mowing system. The driving system is used for driving the frame to operate and driving the grass cutting system to cut grass; the lithium battery power system is used for prolonging the endurance time of equipment and providing stable power output; the control panel is used for controlling the grass mowing speed of the grass mower and the rotating speed of a cutter head of the grass mower by an operator; the grass mowing system is used for mowing a corresponding lawn; the lithium battery power system is composed of a lithium battery pack. The invention aims to provide the grass mower which is zero in emission, meets the modern environmental protection requirement and can meet the long-time lawn maintenance requirement.
Owner:DE NAIYOU INTELLIGENT TECH (SHANGHAI) CO LTD

Rotary adjustable curling iron

ActiveCN224268550UAchieve precise rotation controlquality improvementCurling devicesCurlingGear wheel
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.
Owner:深圳玖柒创欣科技有限公司

Cooling control method and related device of electric engine

The present application provides a cooling control method and related device for an electric engine, wherein a motor controller is integrated inside a power motor, the power motor includes a first heat generating component and a bracket assembly having a liquid cooling chamber, the first heat generating component is arranged in the liquid cooling chamber; the motor controller includes a second heat generating component, the second heat generating component is arranged close to a cooling plate; the cooling medium flowing through the liquid cooling chamber and the cooling plate is different; the cooling control method includes: obtaining a first component temperature of the first heat generating component and a second component temperature of the second heat generating component, and regulating the flow of the cooling medium flowing through the liquid cooling chamber and the cooling plate according to the first component temperature and / or the second component temperature, so as to independently control the cooling of the power motor and the motor controller. Based on multiple indicators, the flow of the cooling medium flowing through the liquid cooling chamber and the cooling plate is precisely regulated to meet the cooling requirements of different heat generating components, thereby improving the cooling efficiency, the performance and efficiency of the electric engine.
Owner:SICHUAN AEROFUGIA TECH DEV CO LTD

Pump power supply control circuit for high-side driving

ActiveCN224191842UBreak through the power bottleneckStrong power outputApparatus without intermediate ac conversionPower controllerControl signal
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.
Owner:CRYSTAL LATTICE (SHENZHEN) INTELLIGENT EQUIPMENT TECHNOLOGY CO LTD

Wave energy conversion device

A wave energy conversion device, comprising a housing. A water inlet cavity (25) and a water outlet cavity (26) are provided in the housing, and a one-way flow guide grille is mounted on an opening of each of the two cavities; a water turbine is mounted between the two cavities, and the upper part of the water turbine can be connected to a main shaft of a permanent magnet generator (2); the one-way flow guide grilles of the water inlet cavity (25) and the water outlet cavity (26) are arranged in a transverse V-shaped manner along an up-down direction, and the housing is provided with a water inlet and outlet (23) at a V-shaped opening; the water inlet cavity (25) and the water outlet cavity (26) are combined in an asymmetric manner, and the water inlet cavity (25) and the water outlet cavity (26) are respectively provided with a portion connected to a top portion (19) of the housing, and an air discharge opening is disposed on said portion.
Owner:HANN OCEAN TECH PTE

High-power lithium ion power battery

The invention discloses a high-power lithium ion power battery which comprises a composite positive pole piece, a lithium titanate negative pole piece and a carbon-based composite electrode piece which are stacked, polymer solid electrolytes are arranged between the composite positive pole piece and the lithium titanate negative pole piece, and polymer solid electrolytes are arranged between the lithium titanate negative pole piece and the carbon-based composite electrode piece; at least one of the composite positive electrode plate, the lithium titanate negative electrode plate and the carbon-based composite electrode plate adopts a conductive rubber matrix as a current collector, and the conductive rubber matrix comprises polydimethylsiloxane (PDMS), a conductive material and mesocrystal anatase titanium dioxide. The performance of the supercapacitor and the lithium ion battery is improved through the novel material, meanwhile, the battery structure is subjected to lightweight design, efficient combination of the supercapacitor and the lithium ion battery is achieved, and the energy density and the power performance of the system are remarkably improved.
Owner:ZHEJIANG FUNLITHIUM NEW ENERGY TECH CO LTD

Power adjusting device system for hydraulic compressed air energy storage

ActiveCN224214291UStable adjustment of speedStable adjustment of output powerMachines/enginesSafety/regulatory devicesPower qualityPower equipment
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.
Owner:QIXING (BEIJING) TECHNOLOGY INNOVATION CO LTD

A multi-mode voltage conversion charging protection circuit for a mobile power supply

ActiveCN224721626UEfficient Voltage ConversionImprove charging efficiency
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.
Owner:SHENZHEN DIFUNG ENERGY TECH CO LTD

Energy flow distribution method and device of fuel cell combined cooling heating and power system

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.
Owner:CHINA CONSTR THIRD ENG BUREAU GRP CO LTD

A multi-dynamic adaptive fusion output method and system

ActiveCN122085720AAchieve refinementRealize intelligent matchingAdaptive controlControl engineeringSelf adaptive
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.
Owner:CHINA RAILWAY DESIGN GRP CO LTD

Plant-microbe synergistic power generation method and device

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.
Owner:EAST CHINA UNIV OF SCI & TECH

New energy vehicle thermal management control method and system adaptive to altitude

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.
Owner:HEBEI YOGOMO MOTORS

Low-pressure adaptive modulation method for high-altitude variable-speed pumped energy storage transformed converter

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.
Owner:NORTH CHINA POWER ENG

UPS (Uninterrupted Power Supply) system based on vanadium liquid electric pile

ActiveCN224068408UReal-time monitoring of mains power conditionsImprove continuous power supply capabilityBatteries circuit arrangementsCurrent/voltage measurementControl engineeringControl theory
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.
Owner:SICHUAN HUALU OPTOELECTRONICS GROUP CO LTD +1

Automatic changing device for brake disc workpieces

ActiveCN224727851UConvenient to meet stable positioning requirementsMeet the needs of stable positioning
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.
Owner:YANTAI WINHERE AUTO PART MFG

A wind-solar hybrid fast frequency modulation control method and system

ActiveCN113708388BFast frequency measurementfast FMPV power plantsSingle network parallel feeding arrangements
The present invention provides a wind-solar complementary fast frequency modulation control method, comprising the following steps: setting a system fast frequency modulation dead zone, and starting an energy storage device when the system frequency enters the fast frequency modulation dead zone; collecting the CT signal and PT signal of the power station to obtain the power station operation parameters including frequency, voltage, and active power; receiving the active power adjustment instruction forwarded by the AGC in real time, and combining the real-time frequency of the power system to perform frequency modulation according to a preset frequency modulation strategy. The present invention can perform high-frequency and high-precision measurement of the power station system operation parameters by adding a high-speed frequency measuring device, and analyze the real-time frequency value of the power system and the future output trend corresponding to the current state in combination with the active power adjustment instruction forwarded by the AGC, and adjust the system frequency. The present invention can enable the wind-solar system to have a frequency response characteristic, effectively and quickly participate in the system frequency modulation, reduce or avoid negative impacts on the system frequency modulation, and avoid sacrificing wind energy utilization and solar energy utilization.
Owner:JIANGSU ANATECH ENERGY SERVICE CO LTD

Bearing ring-based wall thickness difference measuring instrument

The utility model discloses a wall thickness difference measuring instrument based on a bearing ring, which comprises a base, a plate body is arranged on the base, a dial indicator and a fixing frame for fixing the dial indicator are arranged on the base, chutes are symmetrically arranged on the plate body, the chutes are obliquely arranged, a first rotating shaft penetrates through the interiors of the chutes, and a second rotating shaft penetrates through the interiors of the first rotating shaft. The bearing ring wall thickness difference measuring instrument comprises a plate body, a first rotating shaft penetrates through the plate body, a second rotating shaft penetrates through the plate body, the second rotating shaft is rotatably connected with the plate body, the second rotating shaft is located on a central vertical extension line between the two first rotating shafts, and a rotating motor is installed on the plate body. Compared with a traditional manual bearing rotating mode, power output is more stable, vibration of the bearing during measurement is smaller, measurement is more convenient, wall thickness measurement of different positions of the bearing ring is achieved through cooperation of the sliding groove and the first rotating shaft, and the wall thickness measuring device has the advantages of being easy and convenient to operate and high in measurement precision.
Owner:XIAN XINRUHAI IND & TRADE CO LTD

Planet carrier input series-parallel hybrid power system for tractor

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.
Owner:GUANGXI YUCHAI MASCH CO LTD

Pneumatic tool capable of rotating forwards and backwards

PendingCN119526340AQuick and smooth dischargelow gas resistancePortable power-driven toolsPneumatic toolInlet flow
According to the technical scheme, the pneumatic tool capable of rotating forwards and backwards is provided. The accommodating chamber of the body is respectively communicated with the switching chamber through a plurality of first steering holes and a plurality of second steering holes, and the switching chamber is respectively communicated with the air inlet channel and the exhaust channel; the air cylinder is contained in the containing chamber, a cylinder chamber is defined by the air cylinder, a plurality of first through holes and a plurality of second through holes are formed in the air cylinder in a penetrating mode, and the first through holes and the second through holes are communicated with the first steering holes and the second steering holes respectively. The rotor is rotatably accommodated in the cylinder chamber; the air inlet flow guide channel and the exhaust flow guide channel of the switching valve piece are not communicated with each other, the size of the air inlet flow guide channel is different from that of the exhaust flow guide channel, the air inlet flow guide channel is communicated with the air inlet channel, and the exhaust flow guide channel is communicated with the exhaust channel. When the switching valve is located at the forward rotation position, the air inlet flow guide channel is communicated with at least one first through hole, the exhaust flow guide channel is communicated with at least one second through hole, the sum of the sectional areas of the at least one first through hole communicated with the air inlet flow guide channel is different from the sum of the sectional areas of the at least one second through hole communicated with the exhaust flow guide channel, and then an unequal air inlet and exhaust system is formed.
Owner:HYPHONE MASCH IND CO LTD

Multi-mesh heating wire atomizing core of electronic cigarette

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.
Owner:DONGGUAN JUNQIFENG ELECTRONIC TECHNOLOGY CO LTD

Ultrasonic endoscope and electric rotary puncture instrument thereof

The present application relates to an electric rotary puncture instrument, comprising: a puncture outer rod; a catheter outer rod, which is telescopically mounted inside the puncture outer rod; a catheter, which passes through the catheter outer rod and is fixed; a handle housing, which is movably mounted on the puncture outer rod, and an electric rotation control device is fixedly mounted inside the handle housing; an inner needle, which passes through the catheter and is connected to the electric rotation control device, and the inner needle extends and retracts from the catheter as the handle housing moves, and is rotated by the electric rotation control device. In addition, the present invention also relates to an ultrasonic endoscope including the electric rotary puncture instrument. The rotary puncture of the present invention performs rotary cutting of tissues through the needle tip, and the puncture efficiency is higher. The electric power source used in the present invention can be set to a constant torque, and the power output is stable. Compared with manual rotary puncture, the puncture and rotation of the present invention are two forces, and there is no interference between them, which can reduce the risk of puncture caused by excessive force.
Owner:YISHENGXIN TECH (BEIJING) CO LTD +1

An electric remote-controlled self-propelled grain turning machine

ActiveCN114353503BTurn overAvoid problems like crushed grainsSeed preservation by dryingDrying solid materialsVehicle frameAgricultural engineering
The invention discloses an electric remote-controlled self-propelled grain turning and drying machine, which relates to the field of agricultural turning and drying machinery, comprises a frame, and also comprises a turning and drying mechanism, a controller, a storage battery, a ridging mechanism, a remote control device and a rear wheel steering mechanism arranged on the frame; the turning and drying mechanism comprises a turning and drying roller, which is installed on the front side of the frame and can be driven to rotate by a driving component. The turning and drying machine designed by the invention can control the operation process of the turning and drying machine by a remote control device in a large-scale drying or storage scenario, and the rotation of the left reduction motor and the right reduction motor respectively drives the two turning and drying rollers to rotate. Since the wheel diameter of the traveling wheel is slightly larger than the turning and drying roller, the brush strips on the turning and drying rollers are inserted into the grain pile, and the grains are thrown back a certain distance to realize grain turning; compared with the existing turning and drying device, the turning and drying rollers and the brush strips are used in combination to realize the turning and drying and moving integrated design, and no motor vehicle towing and moving is required, thereby avoiding the problem of the motor vehicle crushing the grains.
Owner:HENAN AGRICULTURAL UNIVERSITY

Adjustable fixture horizontal machining center

ActiveCN224713468Uspacing adjustmentavoid offset
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.
Owner:SHANDONG TIDE PRECISION MASCH TOOL CO LTD