15results about How to "Solve intermittent" patented technology

The invention relates to the technical field of new energy, in particular to a new energy storage method and device based on the high-efficiency conversion technology and a medium thereof.The method comprises the following steps that 1, feature data generated by new energy storage are collected through a sensor and a monitoring tool, and the feature data are stored into a database; the method comprises the following steps: step 1, acquiring various monitoring parameters of new energy storage performance to obtain various monitoring parameters for analyzing the new energy storage performance, step 2, analyzing the various monitoring parameters of the new energy storage acquired in the step 1 to obtain various indexes of the new energy storage performance, and step 3, evaluating the various indexes of the new energy storage performance analyzed in the step 2, the method comprises the following steps: step 1, obtaining a qualified coefficient of each index of new energy storage, step 2, carrying out comprehensive analysis on the qualified coefficient calculated in the step 3 to obtain a comprehensive index of the energy storage performance of the new energy, and step 5, carrying out man-machine interaction on the comprehensive index of the energy storage performance of the new energy obtained by the comprehensive analysis in the step 4. Through the high-efficiency conversion technology, new energy is converted into electric energy, and the utilization efficiency of the energy is improved.

This invention discloses a method and system for accurate counting of dense copper sheets based on semantic segmentation and image processing. The method includes: acquiring a large field-of-view image of dense copper sheets; labeling and cropping the copper sheets in the image, and inputting the cropped image and labels into a Unet semantic segmentation network for training to obtain a trained Unet network model; setting the input image of the trained Unet network model to the original image size, and performing inference on the original image to obtain a preliminary inference map; performing an opening operation on the preliminary inference map to filter out small imperfections, and performing dilation to obtain large columns of copper sheets; correcting the angle of the minimum bounding rectangle of the large columns of copper sheets; and forming a peak-and-valley image through affine transformation, projection integration, and filtering, and counting the number of copper sheets in all large columns of copper sheets in the image by counting the number of peaks. This invention effectively solves the problem of achieving high-precision counting in scenes with mottled and densely arranged copper sheets.

The invention discloses self-adaptive gobi gravel curtain layer restoration integrated equipment, and belongs to the technical field of ecological restoration. The equipment comprises a machine body and at least one rotary spreading unit, wherein the rotary spreading unit comprises a rotary barrel, a rotary shaft, a driving motor, a stirring piece and a transmission mechanism. The rotating barrel is a vertically-arranged cylindrical barrel, and a plurality of discharging openings are evenly formed in the end face of the bottom end of the rotating barrel in the circumferential direction. The rotating shaft is coaxially and fixedly connected with the rotating barrel; the stirring piece is sleeved on the outer side of the rotating shaft and can slide along the axial direction. When the rotary barrel rotates, the gravels in the barrel are forcibly stirred and mixed under the action of centrifugal force and the stirring piece, and the mixed gravels are uniformly thrown out from the blanking port under the action of continuous centrifugal force to form planar spreading. Accurate control over the coverage rate is achieved through the multi-dimensional adjusting mechanism, the problems that in traditional construction, the gravel coverage rate cannot be accurately controlled, and uniformity is poor are solved, and efficient, continuous and accurate gobi gravel curtain layer repairing operation is achieved.

A transcritical carbon dioxide energy storage system coupling wind energy and solar energy comprises a transcritical carbon dioxide energy storage and release system, a wind power generation system and a solar heating system, and the transcritical carbon dioxide energy storage system is coupled through renewable energy sources of wind energy and solar energy. The transcritical carbon dioxide energy storage system enters an energy storage stage; when the power generation device is in a power generation trough period, the transcritical carbon dioxide energy storage system enters an energy release stage; the energy storage stage and the energy release stage are adjusted according to actual conditions, the problems of volatility and intermittency of a power grid are effectively solved, safe operation of the power grid is achieved, and cooperative control over heating, refrigeration and power generation is achieved while storage and release of electric energy are achieved. And a flexible, efficient and clean adjustable power supply is provided for construction of a novel electric power system.

The present application adopts inkjet printing and non-catalyst chemical nickel plating method to deposit metal nickel on transparent nylon net and silk net, realizes the preparation of low-cost large-scale flexible transparent conductive substrate with controllable morphology, and is suitable for large-scale mass production. The present application is very beneficial to the integration of planar microelectronic devices. Based on the technology, a flexible transparent Zn net electrode is prepared by electroplating Zn on the Ni-P pattern nylon net. The ZECD window with zinc net anode and prussian blue (PB) cathode shows significant electrochromic performance, including fast switching time, high optical contrast and excellent cycle performance. These ZECDs are also very suitable for solar charging intelligent windows, which can further solve the problem of solar intermittency. These findings open up new opportunities for energy storage and conversion transparent devices.

The utility model discloses a solar energy-inorganic molten salt water heater. The device comprises an inorganic molten salt tank, a plunger valve, a water tank, a liquid inlet, a liquid outlet, a water storage tank, a fixed sleeve, a supporting frame, a movable lantern ring, a connecting rod, a solar heat collecting plate and an angle adjusting structure. The design purpose of the solar energy-inorganic molten salt water heater is to utilize solar energy to carry out efficient heat energy storage and release so as to realize effective utilization of the solar energy and stable supply of heat. According to the basic idea of the device, light energy is collected and converted into heat energy, heat is stored and released through the phase change heat effect of molten salt, and therefore hot water supply is achieved.

The invention relates to the field of offshore production platform energy supply, and discloses an offshore production platform zero-carbon energy supply control system and method, the system comprises a controller, an energy storage subsystem connected with the controller, a differential pressure power generation subsystem and a wind electronic system, and the energy storage subsystem comprises Carnot battery energy storage and power type energy storage. Energy storage power generation-differential pressure power generation-wind power generation complementary zero-carbon energy supply for the offshore production platform can be constructed, diesel power generation of the platform is replaced, full-green power supply of the unmanned offshore carbon dioxide sealing platform is achieved, long-time and high-capacity energy storage is achieved through the energy storage subsystem, the intermittency of wind energy is thoroughly overcome, and the energy storage efficiency is improved. The continuity and stability of energy supply in an off-grid environment are ensured, and the reliability of renewable energy power supply of an offshore production platform is effectively enhanced.

The present invention provides an energy storage converter that can store energy when sufficient power is generated and discharge when the voltage is insufficient. In order to solve the above technical problems, the present invention provides the following technical solutions, including an energy storage shell, wherein an input port, an output port, a control module and a storage capacitor are arranged in the energy storage shell, wherein the input port and the output port are respectively connected to the control module, wherein the control module is connected to a plurality of storage capacitors, wherein each storage capacitor is connected to the control module through a contact connection mechanism, wherein the control module stores the electric energy input from the input end in the storage capacitor in sequence through the contact connection mechanism, and the storage capacitor outputs the electric energy stored in the storage capacitor from the output port through the contact connection mechanism.

The invention discloses a renewable energy power generation and energy storage coupling system and method. The coupling system comprises a solar fused salt heat absorption subsystem, a wind power generation subsystem, a supercritical CO2 energy storage subsystem, a flywheel energy storage subsystem and a battery energy storage subsystem. Through coupling of renewable energy sources such as solar energy and wind energy with carbon dioxide energy storage, flywheel energy storage and battery energy storage, the supercritical CO2 energy storage system enters an energy storage stage in the power generation peak period of the wind wheel power generation device; when the wind wheel power generation device is in a power generation trough period, the supercritical CO2 energy storage system enters an energy release stage; the battery energy storage system and the flywheel energy storage system adjust the energy storage and release stages according to actual conditions, the problems of volatility and intermittency of the power grid are effectively solved, and safe operation of the power grid is achieved.

The utility model discloses an intelligent power supply system, which relates to the technical field of power supply and comprises a photovoltaic power generation system and a wind power generation system. The system comprises a control module, a first detection circuit and a second detection circuit, the first detection circuit is connected with a photovoltaic power generation system, the second detection circuit is connected with a wind power generation system, and the control module is connected with the first detection circuit and the second detection circuit; the first switch circuit comprises a first relay, the second switch circuit comprises a second relay, the control module is respectively connected with a coil end of the first relay and a coil end of the second relay, and a contactor of the first relay is respectively connected with the photovoltaic power generation system and the park energy storage module. A contactor of the second relay is connected with the wind power generation system and the park energy storage module. The control module controls the first switching circuit and the second switching circuit to switch power supply according to the electric quantity of the first energy storage module and the second energy storage module, so that the stability of power supply in the park is improved, and the problem of energy intermittence is solved.

The present invention relates to the technical field of black and smelly river channel restoration and environmental protection equipment, and in particular to an integrated river channel dosing and aeration device. The device has a simple structure, is easy to operate, and can realize an automatic dosing system; it is to solve the problems in the prior art such as poor mass transfer and mixing between the aerated gas-liquid mixture in the river channel and the unaerated low dissolved oxygen water body, narrow jet range, and low aeration efficiency; river channel dosing relies on manual spraying, and the agent is only loaded on the water surface, which is difficult to diffuse, affecting the agent treatment effect, causing waste of agent use, increasing agent costs, and may also cause secondary pollution to the water body. The device has the advantages of combining aeration and dosing to enhance the effect of improving river water quality; good spraying effect, wide application range, fast emergency response, no need for manual operation, and can realize automatic operation.

This utility model discloses a continuous flow reactor for pharmaceutical production, relating to the field of pharmaceutical production technology. The utility model includes a reactor outer cylinder, a continuous flow transfer device, an outlet pipe, and a continuous flow reaction assembly. The continuous flow transfer device is fixedly installed outside the reactor outer cylinder, and the outlet pipe is fixedly installed outside the reactor outer cylinder. The continuous flow reaction assembly includes a heated water outlet pipe, a sealing ring, a circular ring fixing block, and a heated water inlet pipe. By setting up the continuous flow reaction assembly, this device allows the reactor outer cylinder to continue adding reaction materials through the first water inlet pipe while the internal reaction is taking place. The continuous flow reactor allows raw materials to continuously enter the reaction system, thus avoiding the intermittent nature of secondary reactions. Furthermore, by designing a circulating heating pipe, the reactor can be circulatedly heated, providing a stable temperature for the reactor.

The invention discloses a method for quantifying virtual inertia support capacity and allocating load shedding power in a wind farm, comprising calculating the inertial response capacity H of the wind turbine set under MPPT, overspeed load shedding and underspeed load shedding modes based on the parameters of the wind turbine set. w1 , H w2 and H w3 , and obtain the operating inertia constant range of each wind turbine; calculate the wind turbine wake speed affected by the Jensen wake effect, and correct the wake wind speed to obtain the corrected wake wind speed; calculate the wind power P captured by the wind turbine based on the corrected wake wind speed w (t); Based on P w (t) Update H w2 and H w3 , thereby updating the inertia constant range; calculating the wake influence factor B of the wind turbines in the wind farm on the kth wind turbine k , based on B k Update the corrected wake wind speed to obtain the corrected wind speed of the wind turbine; based on H w1 、After update H w2 and the wind turbine corrected wind speed, and calculate the weight coefficient γ of each wind turbine i , based on γ i Allocate the overall inertia response capability and load shedding power demand of the wind farm obtained in real time. Flexibly adjust the wind power virtual inertia and load shedding power.

The utility model discloses a heat pipe multi-connected ventilation wall machine room heat dissipation system for solar energy storage and waste heat recovery, which is suitable for efficient heat dissipation and energy optimization utilization of a machine room and comprises a heat pipe air conditioner all-in-one machine, a heat pipe ventilation wall, a solar energy storage power supply unit and the like. The heat pipe air conditioner all-in-one machine is provided with a heat pipe refrigeration mode, a compressor refrigeration mode and a heat pipe refrigeration and compressor refrigeration mixed working mode. The heat pipe air conditioner all-in-one machine and the heat pipe ventilation wall are led into the mains supply or the solar energy storage power supply unit through the power distribution cabinet to supply power, and meanwhile the solar energy storage system is preferentially adopted for power supply to assist in mains supply. In addition, the compressor refrigeration module is not provided with an air-cooled condenser, a waste heat recovery heat exchanger is used for recovering and compressing waste heat during compression refrigeration, and meanwhile it is guaranteed that the heat pipe condenser is small in heat dissipation wind resistance and low in power consumption. The utility model has the advantages of compact structure, obvious energy-saving effect, flexible operation mode, high clean energy utilization rate and the like.

The invention discloses a hybrid power generation system and method based on supercritical carbon dioxide circulation, the hybrid power generation system comprises a solar system, a supercritical carbon dioxide circulation system and a battery system, the battery system comprises a heater and a heat exchanger, the heater is used for heat exchange between supercritical carbon dioxide and a circulating working medium in the battery system, and the heat exchanger is used for heat exchange between the supercritical carbon dioxide and the circulating working medium in the battery system. The heat exchanger is used for exchanging heat when a working medium circulating in the battery system and a byproduct are converted, or is used for exchanging heat between the working medium circulating in the battery system and the supercritical carbon dioxide, and the reversible solid oxide fuel cell is used for converting the working medium subjected to heat exchange from the heater and the heat exchanger to generate the byproduct. Or the by-product is converted to generate power and generate a working medium. The problems of intermittency and volatility of a traditional power generation system independently taking solar energy as a heat source are solved, the degree of dependence of the system on the external environment is reduced, and the system performance is effectively improved.