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204results about How to "Reduce output power" patented technology

Optimized control method for hydrogen fuel cell

The invention discloses an optimization control method for a hydrogen fuel cell, and relates to the technical field of cell optimization control. The method comprises the following steps: designing a control algorithm: designing an algorithm according to characteristics and environmental parameters in a starting stage to control gas supply and electric pile preheating so as to realize rapid and stable starting, and monitoring, adjusting and maintaining the optimal working state of the electric pile through a self-adaptive algorithm in steady-state operation, power adjustment achieves accurate power response based on a prediction algorithm in combination with related information planning, a flow is formulated in a closing stage to reduce power, and cooling and purging are started to protect the battery. Rapid starting and efficient energy conversion are achieved through the control algorithm, energy loss is reduced, the operation efficiency is improved, and the energy consumption is reduced. A comprehensive monitoring and fault detection system is established, energy flow is optimized through an intelligent energy management mechanism, reasonable energy distribution under different driving working conditions is achieved, and the overall efficiency of the system is improved.
Owner:LUAN ZHONGKEMEIYIWA NEW ENERGY TECH CO LTD

Safe photovoltaic energy storage cabinet

The invention relates to the technical field of photovoltaic energy storage cabinets, in particular to a safety type photovoltaic energy storage cabinet. Comprising an outer shell, a plurality of inner shells are fixedly connected in the outer shell, battery packs are detachably and fixedly connected in the inner shells, cooling fans which are symmetrically distributed are arranged outside the outer shell, each inner shell is provided with two cooling row holes which are symmetrically distributed, and the inner shells are slidably connected with two plugging frames which are symmetrically distributed. The two plugging frames on the inner shell are jointly provided with a connecting frame, the inner shell is fixedly connected with a sliding rail, an electric sliding block is slidably connected into the sliding rail, and the electric sliding block of the sliding rail is fixedly connected with the adjacent connecting frame. According to the invention, the temperatures of the plurality of battery packs during charging are respectively detected, and heat dissipation of different degrees is carried out according to different temperatures of the plurality of battery packs, so that the plurality of battery packs are at proper temperatures, cooling resources are allocated as required, energy is saved, and operation cost is reduced.
Owner:SHANDONG NUOMING SMART POWER ENERGY CO LTD

Intracavity radiofrequency ablation system

The invention relates to the field of medical equipment, and discloses an intracavity radiofrequency ablation system. The system includes a radio frequency generator, a catheter with a heating element, a pressure sensor, and a temperature sensor, a processor, and a display. By monitoring the temperature and the pressure in real time and dynamically adjusting the radio frequency energy output power, the safety and the accuracy of the treatment process are ensured. The system can automatically adjust treatment parameters according to the real-time contraction condition of the cavity tissue, prevent overheating, reduce damage to normal tissue, provide visual tissue contraction feedback and improve the treatment effect.
Owner:RESONANT MEDICAL TECH CO LTD

Control method of network-constructing photovoltaic system supporting active support of power grid frequency

The invention provides a network construction type photovoltaic system control method supporting active support of power grid frequency, and the method comprises the steps: (1) designing a PV system power reduction operation control strategy which is used for enabling a PV system to reserve power to participate in frequency adjustment of a power grid; (2) designing a PI-based DC bus voltage control strategy for adjusting the DC bus voltage to a reference value; (3) designing a load side step-down operation control strategy based on PI, wherein the strategy is used for stabilizing the DC bus voltage in an off-grid mode; (4) designing a VSG control strategy, and enabling the network-forming inverter to simulate a synchronous generator to participate in active frequency modulation; and (5) in a grid-connected mode, designing a pre-synchronization control strategy, and enabling the grid-forming inverter and the power grid to operate in a grid-connected manner. According to the invention, the frequency stability of the new energy high-permeability power system can be improved. In addition, the method only depends on local information, does not need a maximum power point estimator, a central controller or a solar radiation sensor, and has the advantage of low implementation cost.
Owner:ZHENGZHOU UNIV

Photovoltaic module control device

The embodiment of the invention provides a photovoltaic module control device, and the device comprises at least one bypass module which is used for being connected with at least one photovoltaic module in parallel; the driving circuit is used for driving at least one bypass module to work under the control of the controller; the power supply module is used for obtaining electric energy from the at least one photovoltaic module and outputting the electric energy to the controller under the condition that the at least one photovoltaic module works normally and the at least one photovoltaic module is bypassed; and the controller is used for controlling the conduction state of the at least one bypass module so as to control whether the at least one photovoltaic module is in the bypass mode or not. The power consumption of the control device is greatly reduced, meanwhile, the problem of voltage stress borne by the first series switch tube in the series control device when the first series switch tube is disconnected is solved, and the safety performance of the bypass control device is improved.
Owner:SUZHOU UKT NEW ENERGY TECH CO LTD

Electro-hydraulic control valve, valve plate and control method for multi-pump system

The invention discloses an electro-hydraulic control valve for a multi-pump system, a valve plate and a control method, the valve plate of the electro-hydraulic control valve is integrated with a cut-off confluence valve and a main control valve core, and the valve plate is provided with an oil inlet, a first working port, a second working port, an oil inlet confluence channel and an oil return channel communicated with an oil return port; the cut-off flow collecting valve at least comprises a first working position, a second working position and a third working position, when the cut-off flow collecting valve is located at the first working position, an oil inlet of the cut-off flow collecting valve is communicated with a first opening, and unloading is conducted to an oil return channel; when the cut-off flow collecting valve is located at the second working position, the oil inlet of the cut-off flow collecting valve is communicated with the second opening, and oil is supplied to the main control valve element. When the cut-off confluence valve is located at the third working position, the oil inlet of the cut-off confluence valve is communicated with the third port, and confluence oil supply to the oil inlet confluence oil channel is achieved; an oil inlet of the main control valve element is connected to the oil inlet confluence oil channel, an oil return opening of the main control valve element is connected to the oil return oil channel, and a first opening and a second opening of the main control valve element are connected to the two working openings of the valve plate respectively.
Owner:JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD +1

Method for orderly charging regulation and control of charging pile area and computing device

The invention provides a method for orderly charging regulation and control of a charging pile area and computing equipment, and is applied to the technical field of electric power. The method comprises the steps that charging data and transformer gateway data of charging piles connected into a transformer area are acquired in real time through a transformer area intelligent fusion terminal, and the transformer gateway data comprise a distribution transformer load rate; charging pile parameters and overall parameters are set, the charging pile parameters comprise the number of charging pile regulation and control gears and the minimum regulation and control period of the charging pile, and the overall parameters comprise a load rate out-of-limit reduction threshold value and a load rate out-of-limit recovery threshold value; and monitoring and judging the distribution transformer load rate, and executing a corresponding power strategy in real time according to a monitoring and judging result. By utilizing the method, the safety and the stability of the power grid can be obviously improved, and the utilization of electric power resources is optimized.
Owner:JIANGSU HOMELITE TECH CO LTD

Anti-falling type mechanical arm for mold manufacturing and using method of anti-falling type mechanical arm

The invention discloses an anti-disengaging type mechanical arm for mold manufacturing and a using method, and belongs to the technical field of mechanical arms, the anti-disengaging type mechanical arm comprises a mechanical arm body and a tail end executing structure installed on the mechanical arm body, the tail end executing structure comprises a parallel pneumatic finger and a micro air extracting pump, and clamping seat assemblies are connected to two clamping jaws of the parallel pneumatic finger. After the tail end executing structure grabs the mold base, clamping force of spherical elastic air bags in the flexible reinforcing units located in the negative pressure grooves and negative pressure adsorption force in the negative pressure grooves are overlapped and jointly and additionally act on the surface of the mold base, and the grabbing firmness of the tail end executing structure on the mold base is enhanced through the overlapped effect; and in the process that the vacuum degree in the negative pressure groove is gradually increased, the clamping force on the mold base is further increased through the spherical elastic air bag with the increased size, so that the grabbing firmness of the tail end execution structure is further enhanced, and the risk that the mold base falls off in the moving process is greatly reduced.
Owner:JIANGSU HUAIAN TECHNICIAN COLLEGE

Auxiliary agent blending device for textile fabric production

The utility model relates to the technical field of textile fabric processing, and particularly discloses an assistant blending device for textile fabric production, which comprises a barrel, a motor and a stirring mechanism, the motor is fixedly connected with the barrel, the stirring mechanism comprises a main shaft, a shaft seat, a stirring main shaft, a stirring auxiliary shaft, an auxiliary shaft bottom plate and an auxiliary shaft bolt, one end of the main shaft is fixedly connected with the output end of the motor, the other end of the main shaft is rotationally connected with the shaft seat, the mounting holes are uniformly formed in the outer surface wall of the stirring main shaft, one end of each stirring auxiliary shaft is embedded into the corresponding mounting hole, and each auxiliary shaft bottom plate is arranged at one end of the corresponding stirring auxiliary shaft; and one end of each countershaft bolt penetrates through the countershaft bottom plate and is in threaded connection with the stirring countershaft. The top principle and the bottom principle in the cylinder can be effectively and uniformly mixed, the mixing uniformity of auxiliary raw materials is improved, meanwhile, the electric energy loss of the motor can be reduced, and the purpose of reducing the processing cost is achieved.
Owner:JIANGSU MOUSSE PRINTING & DYEING TECHNOLOGY CO LTD

Single-frequency fiber laser for inhibiting nonlinear effect

The invention discloses a single-frequency fiber laser capable of inhibiting a nonlinear effect, and provides a single-frequency fiber laser capable of prolonging the length of a gain fiber and inhibiting the nonlinear effect in the fiber laser to solve the problem that the existing single-frequency fiber laser structure cannot inhibit the deterioration of line width caused by various nonlinear effects while realizing hectowatt-magnitude power single-frequency laser output. And line width broadening caused by the cavity length is compensated based on a self-injection locking line width narrowing optical path. And meanwhile, a phase-shift long-period fiber grating is adopted to inhibit excitation of various nonlinear effects (such as a stimulated Raman scattering effect, a stimulated Brillouin scattering effect and a nonlinear refraction effect) in a self-injection locking line width narrowing light path and a light energy amplification process. Stable hectowatt power single-frequency laser output can be realized, and the influence of the nonlinear effect in the fiber laser on the output line width can be effectively inhibited in the subsequent MOPA structure.
Owner:NANJING UNIV OF SCI & TECH

Method and system capable of adjusting output power of charging pile in real time

The invention belongs to the technical field of charging piles, and discloses a method and system capable of adjusting the output power of a charging pile in real time. Comprising the steps of obtaining pre-stage power distribution capacity and a safety power value of a charging pile; in the charging process, the charging pile collects the power value of the electric meter in real time; the charging pile adjusts output power according to the electric meter power value and the pre-stage power distribution capacity and the safety power value of the charging pile, the actual available power supply power is calculated through the pre-stage power distribution capacity and the safety power value of the charging pile, and the actual available power supply power is compared with the electric meter power value; according to the comparison result, the output power of the charging pile is increased, the output power of the charging pile is reduced or the current power is maintained, under the condition of safe electricity utilization, the method is economical and practical, and the technical problem that in the prior art, when the actual electricity utilization power of the charging pile exceeds the preceding-stage power distribution capacity, current overload in a power supply line is caused is solved.
Owner:SHAANXI GREEN ENERGY ELECTRONIC TECH CO LTD

Wireless charging control method and device based on municipal system

The invention relates to the technical field of automobile charging, in particular to a wireless charging control method based on a municipal system, and the method comprises the steps: obtaining vehicle electric quantity data and vehicle position data in a city, determining a corresponding to-be-charged vehicle, and calling real-time urban traffic flow data and charging station data; determining corresponding passing route data based on the vehicle position data corresponding to the vehicle needing to be charged, urban traffic flow data and the charging station data, and sending the passing route data to a user of the vehicle needing to be charged; and after the to-be-charged vehicle arrives at the designated charging area of the charging station, charging the to-be-charged vehicle based on the vehicle charging data port on the basis of receiving vehicle charging data sent by a user. The charging resource scheduling method and device solve the problem that the charging resource scheduling efficiency is not high in the prior art.
Owner:SHANGHAI ELINE TECH CO LTD

Double-sided solar power generation glass and preparation method thereof

The invention relates to the field of preparation of power generation glass, and particularly discloses double-sided solar power generation glass and a preparation method thereof.The power generation glass can be obtained by assembling and processing two film type photovoltaic cells according to a specific product structure; the comprehensive utilization rate of solar energy can be effectively improved, thereby improving the power generation efficiency. Meanwhile, by specifically adjusting the thickness relation of the adhesive film layer, the first drainage-confluence pasting layer and the second drainage-confluence pasting layer and parameters of high-pressure kettle pressing treatment, the prepared double-sided solar power generation glass has high yield and heat resistance, the product quality is good, and mass production can be achieved. The preparation method is simple to operate, has high yield and heat resistance, can realize mass production, and is convenient for popularization and application.
Owner:SICHUAN NANBO ENERGY SAVING GLASS CO LTD +1

Metal amorphous trimming equipment for rolling mill

The metal amorphous trimming equipment comprises a rolling machine tool and side plates fixedly mounted on the two sides of the rolling machine tool, mounting plates are mounted on the upper portions of the side plates in an embedded mode, a fixing frame is fixedly mounted in the rolling machine tool, a liquid storage tank is fixedly mounted on one side of the fixing frame, and the liquid storage tank is fixedly mounted on the other side of the fixing frame. And two pump machines are fixedly mounted on the side plate on one side. When the metal plate is widened, the distance between the two conductive sliding blocks attached to the two sides of the metal plate through the attaching rods becomes far, then the output power of the electromagnet and the pump machine below the electromagnet is improved, and when the power of the electromagnet is improved, the magnetic repulsive force of the electromagnet and the limiting sleeve above the electromagnet is increased; and when the power of a lower pump machine is improved, the cooling liquid in the telescopic sleeve is increased, the telescopic sleeve extends, then the trimming sliding rod is pushed to slide towards the two sides in the second mounting sliding rod so as to increase the distance, and the trimming knife can properly cut and trim the two sides of the metal plate.
Owner:JINGJIANG ZHONGDING ALUMINUM CO LTD

Heat dissipation devices and control methods for photovoltaic inverters

The present invention discloses a heat dissipation device and control method for a photovoltaic inverter, wherein the heat dissipation device comprises a heat dissipation chamber housing, a control unit, a fan group, a radiator and a temperature collection unit, the control unit is electrically connected to the fan group, the radiator and the temperature collection unit in a one-to-one correspondence; the radiator and the fan group are located on the heat dissipation chamber housing, the temperature collection unit and the fan group are both arranged at any position close to the radiator, and the radiator is arranged adjacent to the power device of the photovoltaic inverter; wherein at least two fans are arranged in the fan group. The present invention collects the temperature of the radiator through the temperature collection unit, thereby reducing the loss of the fan and prolonging the life of the fan; and by providing multiple fans for air cooling and heat dissipation, when one of the fans fails, because there are other fans that can perform air cooling and heat dissipation, there is no need to directly reduce the output power of the photovoltaic inverter, thereby improving the power generation efficiency and reliability of the photovoltaic inverter.
Owner:INHENERGY CO LTD

An integrated steel casing installation device and method of use thereof

ActiveCN116479883BSave cumbersome construction stepslabor saving
The application discloses an integrated steel casing sinking device and a use method thereof, and the device comprises a spiral drill rod, a motion isolation unit, an elastic centering unit and the like. The outer wall of the spiral drill rod is provided with paddle-shaped blades capable of continuously rotating and ascending. The motion isolation unit comprises a positioning assembly, a positioning base body, a clamping groove arranged on the wall of the steel casing, and a clamping unit. The elastic centering unit comprises an abutting wheel, a rotating connecting block, a sliding telescopic rod, a centering spring sleeved on the outer wall of the sliding telescopic rod, a tail limiting groove and a drilling condition sensing unit. The spiral drill rod is used as a pile driving bit, so that the technical effect of excavating soil layers is achieved, and the paddle-shaped blades capable of spirally ascending are simultaneously used to automatically transport the excavated soil upwards. In addition, the motion state of the bit is isolated by using the motion isolation device, so that the motion isolation between the steel casing and the spiral drill rod rotating in the middle is achieved as a whole, and the rotation of the steel casing caused by the motion of the spiral drill rod is effectively blocked.
Owner:CHINA FIRST METALLURGICAL GROUP

Robot monitoring device and use method thereof

The invention discloses a robot monitoring device and a using method thereof, and relates to the technical field of robots. The ship comprises a ship body, a monitor fixedly installed on the ship body, a sail steering motor installed on the inner side of the ship body, and a sail fixing rod arranged at the output end of the sail steering motor. And the disc mechanism comprises a disc main body and a plurality of partition plates fixedly connected in the disc main body, and the multiple partition plates divide the disc main body into a plurality of fan-shaped cavities. According to the invention, a disc mechanism is designed, and the magnitude and direction of wind power are detected by using the motion trail of the small ball in the disc, so that intelligent adjustment of the power system is realized. The robot has the advantages of being low in cost and easy to maintain, the stable and reliable power adjusting function can be provided in the complex water area environment, and the cruising ability and operation flexibility of the robot in the water patrol process are improved.
Owner:YANCHENG XIAOAI LARGE MODEL DEVELOPMENT CO LTD

Inverter system detection method, device and inverter system

The present application discloses a detection method, device and inverter system for an inverter system, and belongs to the technical field of inverter systems. The detection method for the inverter system includes: obtaining the output power corresponding to the target system connected to the at least one load; the target system is used to power the at least one load; the target system includes the photovoltaic system; based on the output power and the total power corresponding to the at least one load, performing arc detection on the faulty photovoltaic strings in the photovoltaic system. The detection method for the inverter system of the present application ensures the stability of load operation during arc detection, alleviates the impact of the reduction in the output power of the inverter system on load operation, improves the performance of the load and extends the service life of the load, reduces the safety hazards caused by unstable load operation, and improves the user experience.
Owner:SIGENERGY TECHNOLOGY CO LTD

Intelligent cleaning device suitable for mountain photovoltaic module

The invention provides an intelligent cleaning device suitable for a mountain photovoltaic module, and relates to a grid-connected photovoltaic power generation system, the intelligent cleaning device comprises a fixing mechanism, the fixing mechanism is composed of a first clamping piece and a second clamping piece, and the photovoltaic module is arranged between the first clamping piece and the second clamping piece; a first connecting rod and a second connecting rod are slidably connected to the top end of the first clamping piece and the top end of the second clamping piece, the first connecting rod is fixedly connected with the second connecting rod, and a cleaning mechanism is arranged in the first connecting rod. By arranging the cleaning mechanism, effective cleaning of the photovoltaic module is facilitated, so that the problems that according to an existing photovoltaic module in a power generation state, if the heating temperature exceeds a certain limit, permanent damage such as dark spots, welding spot melting and packaging material aging can be caused by local burnout of the photovoltaic module, and the service life of the photovoltaic module is prolonged are effectively solved. And the output power and the service life of the photovoltaic module are influenced.
Owner:HUANENG TAIYUAN DONGSHAN GAS TURBINE THERMAL POWER CO LTD

A straightening machine for anode steel claws and its method

ActiveCN122076849AInhibit force deformationPrecise geometric resetHeat treatment process controlMetal working apparatusHydraulic cylinderMetal machining
This invention relates to the field of metallurgical machinery and equipment and metal processing, specifically to an anode steel claw straightening machine and its method; it includes a C-shaped straightening frame, a main hydraulic cylinder, an ultrasonic indenter with a built-in ultrasonic transducer, an antagonistic hydraulic compensation blind cavity, and an industrial control computer; the system connects the antagonistic hydraulic compensation blind cavity located on the back side of the vertical column with the oil inlet of the rodless chamber of the main hydraulic cylinder; its core is that when the main hydraulic cylinder pushes, the expansion trend generated synchronously by the blind cavity is used to apply a reverse prestress bending moment to the vertical column; this invention effectively counteracts the elastic backward tilting deformation of the frame caused by the reaction force of the main thrust, prevents the amplification of the displacement deviation at the execution end, and thus ensures a tight fit between the ultrasonic indenter and the surface of the anode steel claw.
Owner:XIAN LANHUI MECHANICAL & ELECTRICAL EQUIP

Low-noise garbage compression equipment control method, system, equipment and medium

The invention discloses a low-noise garbage compression equipment control method, system and equipment and a medium. The low-noise garbage compression equipment control method comprises the steps that garbage is poured into a garbage compression box to be compressed; acquiring pressure data of the push shovel in the compression process; and based on the pressure data, the working mode of the push shovel is determined, in the working mode, the compression state of the garbage compression box is determined, and when the compression state is heavy load, a motor of the garbage compression box is controlled to reduce the rotating speed of the motor. When the compression state of the garbage compression box is heavy load, an automatic pressure maintaining control signal is sent to the servo controller through the PLC, and after the servo controller receives the automatic pressure maintaining control signal, the rotating speed of the motor is reduced, the pressure maintaining working condition of the system is maintained and stabilized, so that the output power of the motor is reduced, and the working efficiency of the system is improved. Therefore, electromagnetic whistling caused by operation of the motor is reduced, and overflow noise of the hydraulic control system is restrained.
Owner:SHENZHEN DONGFENG AUTOMOBILE CO LTD

Power distribution method and device for aircraft alternating-current high-power load, computer equipment and medium

The embodiment of the invention provides a power distribution method and device for an aircraft alternating-current high-power load, computer equipment and a medium, and the method comprises the following steps: obtaining the number of alternating-current channels of an aircraft, obtaining the alternating-current channel of each aircraft and all access loads in the load of an aircraft carrying system, and classifying the access loads; if the load is a long-time stable high-power load or a high-frequency pulse high-power load, the corresponding access load is averagely distributed to each alternating current channel, and if the load is an intermittent high-power load, the corresponding access load is distributed to an aerial carrier system load; and obtaining the maximum total power utilization power of the alternating current channel of each airplane and the load of the aerial carrier system, calculating the residual power utilization power, and sequentially distributing the access loads of which the load types are other loads to the alternating current channel of each airplane or the load of the aerial carrier system according to the residual power utilization power and the power utilization power of the other loads. According to the scheme, the problem of power supply system faults caused by overlarge load power is solved.
Owner:SHAANXI AIRCRAFT CORPORATION

Ballast track bed hardening depth detection equipment

The invention discloses ballast track bed hardening depth detection equipment which comprises a transverse guide rail which is installed on a track crane and stretches across a track, a walking type assembly seat which is installed on the transverse guide rail and can move in the length direction of the transverse guide rail, and a driving mechanism which is installed on the walking type assembly seat and can move in the vertical direction. The output end of the driving mechanism is connected with an adapter rod, the adapter rod is connected with a spiral rotary excavating blade through a torsion type clutch mechanism, and the lower end of the adapter rod is coaxially and detachably connected with an inserting drill rod or a detecting rod or a rotary excavating sampling rod; the spiral rotary excavating blade is movably arranged outside the drill rod, the detection rod or the rotary excavating sampling rod in a sleeving manner. According to the invention, the depth of the hardened layer of the ballast track bed is effectively detected, the buffer capacity and the water permeability of the ballast track bed are judged, and the aim of carrying out targeted cleaning operation on the ballast track bed can be fulfilled by referring to the detection result. The method is suitable for the technical field of hardened layer depth detection in ballast track bed detection.
Owner:HEBEI CONSTR & INVESTMENT COMM INV CO LTD +2

Fan module and parallel air supply mechanism

The utility model relates to a fan module and a parallel air supply mechanism. The utility model relates to a fan module, which comprises a shell, a fan cavity and an air duct cavity, the shell is provided with the fan cavity and the air duct cavity along the airflow direction, and the fan cavity is provided with an air inlet; one end of the air duct chamber is communicated and connected with the fan chamber, the other end of the air duct chamber is provided with an air outlet, and the air outlet horizontally discharges air or obliquely discharges air upwards relative to the horizontal plane; a certain angle is formed between the air inlet airflow direction of the air inlet and the air outlet airflow direction of the air outlet; and the fan is fixedly arranged in the shell, and the air inlet end of the fan faces the air inlet. According to the fan module disclosed by the utility model, eddy current pressure drop loss which is easy to occur when a plurality of fan modules are used in parallel can be effectively avoided; and meanwhile, modular design is adopted, the multiple fan modules can be connected in parallel to form a parallel air supply mechanism according to the actual air volume requirement, and noise reduction is achieved.
Owner:GUANGDONG PHNIX ECO ENERGY SOLUTION

Cell equalization circuit and energy storage system

The utility model belongs to the technical field of energy storage, and particularly relates to a battery cell equalization circuit and an energy storage system, comprising a battery string formed by serially connecting battery cells, each battery cell is provided with a voltage conversion module in one-to-one correspondence, the input ends of the voltage conversion modules are connected in parallel with the battery cells, and the output ends of the voltage conversion modules are serially connected to form an equalization branch. And the equalization branch is connected with the battery series and parallel. According to the utility model, the battery string can be shunted in parallel through the equalization branch circuit formed by the voltage conversion modules, so that part of energy of the battery string is output through the equalization branch circuit. When the electric quantity or the voltage of the battery cell is unbalanced, the output power of the battery cell is adjusted through the voltage conversion module for equalization, and discharging equalization, charging equalization and off-line equalization are supported.
Owner:BEIJING TIANQI HONGYUAN NEW ENERGY TECH CO LTD

Diesel DCT power assembly resonance optimization method and system

The invention discloses a diesel DCT power assembly resonance optimization method and system, relates to the technical field of power assembly simulation testing, and aims to solve the problem that the engine speed lasts for a long time in a resonance speed interval of a dual-mass flywheel due to insufficient combustion in a cylinder and low output power of a diesel engine under a low-temperature cold start working condition. The starting strategy of the diesel engine is optimized, so that the power source of the diesel DCT power assembly overcomes the resistance source of the diesel DCT power assembly, and then the starting rotating speed of the diesel engine can quickly pass through the resonance interval of the dual-mass flywheel; by the adoption of the resonance optimization method, resonance generated by a power system with the diesel engine and the DCT gearbox matched with each other during low-temperature cold start can be effectively reduced, and the engine rotating speed can be prevented from being kept within the resonance rotating speed interval of the dual-mass flywheel all the time when the engine is started. And the service life of main parts in the power assembly can be prolonged.
Owner:JIANGLING MOTORS

Power control method of temperature adjusting device, electric heater and storage medium

The invention provides a power control method of a temperature adjusting device, an electric heater and a storage medium. The method comprises the steps that the current environment temperature is obtained; determining a target temperature corresponding to the current environment temperature based on a corresponding relation between a preset environment temperature and the target temperature; wherein the corresponding relation between the environment temperature and the target temperature comprises that when the environment temperature is larger than or equal to a preset environment temperature threshold value, the target temperature and the environment temperature are in negative correlation; when the environment temperature is smaller than a preset environment temperature threshold value, the target temperature is within a preset comfortable temperature deviation range; determining target power output by the temperature adjusting device based on the target temperature; and adjusting the output power of the temperature adjusting device according to the target power. According to the invention, the target power is adjusted based on the target temperature, so that the power adjustment is more accurate.
Owner:GREE ELECTRIC APPLIANCES ZHONGSHAN SMALL HOUSEHOLD APPLIANCES MFG +1

Heating mold and application of hot forming process of heating mold

The invention discloses a heating mold and application of a hot forming process thereof.The mold comprises a workbench, a water cooling plate, a lower mold assembly and an upper mold assembly, the workbench is arranged on a machining equipment platform, the lower mold assembly is arranged on the machining equipment platform, and the upper mold assembly is arranged on the lower mold assembly; the water cooling plate is arranged on the upper die assembly, and the top of the water cooling plate is connected with a machining equipment sliding block. The die is suitable for common press equipment, complex transformation and addition of a water cooling system are not needed, the common press equipment and the hot forming die are isolated, and the equipment is prevented from being damaged by high temperature. The mold adopts the mica plate for heat preservation and heat insulation, rapid loss of temperature is avoided, the temperature stability of the mold can be guaranteed, and then the machining effect is guaranteed. Temperature field finite element analysis can be carried out according to ANSYS, repeated iteration adjustment is carried out, the temperature of a temperature control area is determined, and it is guaranteed that the temperature of all molded surfaces meets the process requirement.
Owner:GUIZHOU YONGHONG AVIATION MACHINERY

Super capacitor and lithium ion battery hybrid energy storage frequency modulation system and control method thereof

PendingCN121965584AReduce high power output frequencyMeet high frequency frequency modulation needsBatteries circuit arrangementsSingle network parallel feeding arrangementsVideo monitoringConverters
The invention discloses a super capacitor and lithium ion battery hybrid energy storage frequency modulation system and a control method thereof, and belongs to the technical field of power system frequency modulation control. The super capacitor energy storage system and the lithium ion battery energy storage system are connected to the energy storage high-voltage alternating current bus through respective bidirectional converters and boosting transformers; the output end of the power synthesis device is connected to an RTU interface of a power grid dispatching system through a boosting transformer. The coordination controller is in bidirectional communication with the super capacitor CMS, the lithium ion battery BMS, the bidirectional converter PCS, the power synthesis device and the power grid dispatching system through the communication interface module, the fire fighting system, the video monitoring system and the heating and ventilation system are connected to an auxiliary monitoring channel of the coordination controller, and the prefabricated cabin provides a physical integration platform for all subsystems. According to the invention, through cooperative control of the super capacitor and the lithium ion battery, power output is dynamically distributed in a power grid frequency modulation instruction direction and a system state, and dual objectives of quick response and energy optimization are realized.
Owner:HUANENG SHAANXI POWER CO LTD

A floating offshore platform

The application discloses a floating diving offshore platform, which comprises a base, a buoyancy unit, a floating diving unit, a mooring unit and a device box. The base is a net-shaped structure formed by the cross connection of multiple ropes. The buoyancy unit and the floating diving unit are fixedly connected above the base. The mooring unit is arranged around the base and connected with the floating diving unit. The floating diving unit and the mooring unit jointly act on the base to realize the floating and diving of the base. The device box for loading functional devices is detachably connected inside the base. The floating diving offshore platform can resist deep sea harsh sea conditions, has device arrangement and personnel activity space, reduces construction cost and solves the problem of difficult device replacement.
Owner:POWERCHINA ZHONGNAN ENG