16results about How to "Efficient energy storage" patented technology

The invention relates to the technical field of energy management, in particular to a distributed energy optimization management method and system, and the method comprises the steps: determining an optimal switching control strategy of a switching device through employing a Q-Learning particle swarm optimization algorithm; performing intermittent conduction and turn-off control on the switching device according to the optimal switching control strategy, obtaining a time domain action signal of the switching device, and extracting harmonic spectrum data in the conduction and turn-off processes of the switching device by using a short-time Fourier transform algorithm; obtaining total harmonic power according to the harmonic frequency spectrum data, and if the total harmonic power exceeds a harmonic power dynamic threshold value, extracting an overproof harmonic signal; and the standard-exceeding harmonic signals are converted into energy storage voltage and current matched with the energy storage device, and the energy storage voltage and current are stored in the energy storage device. According to the invention, through management analysis of the harmonic waves, precise identification and efficient energy storage of the harmonic waves generated by the nonlinear load are realized, so that optimal management of the distributed energy system is realized.

The invention discloses a phase change microcapsule modification method which comprises the following steps: S1, selecting a paraffin phase change material or a hydrated salt phase change material, and adding 0.5-1.5 wt% of a chemical stabilizer to modify the thermal stability of the phase change material; s2, compounding a microcapsule wall material by using polyurethane (PU) and nano silicon dioxide (SiO2), and adding 1wt% of carbon nanotubes (CNT) and 0.5-2wt% of nano silicon dioxide (SiO2); s3, the microcapsule wall material is subjected to surface hydrophobic coating treatment, polymethyl methacrylate (PMMA) is sprayed to form a waterproof isolation layer, the modified microcapsule phase change material is obtained, and in the step S1, 0.5-1.5 wt% of graphene oxide (GO) is added for modification when the paraffin phase change material is selected. The preparation method is reasonable in design, energy storage, heat preservation and mechanical properties of PCM-UHPC are remarkably improved through multi-layer composite modification of the PCM microcapsules and the nano-enhancement technology of the UHPC matrix, and the preparation method is suitable for the fields of energy-saving buildings, temperature control infrastructures and the like and has wide application prospects.

The invention discloses an efficient chilled water storage system, and relates to the technical field of cold storage, the efficient chilled water storage system comprises a mounting plate, a cold storage assembly for cooling air is arranged at the top of the mounting plate, and an energy storage assembly for cooling water again is arranged at the position, close to the center, of the top of the mounting plate. According to the efficient chilled water storage system, in high-temperature weather in summer, in order to effectively reduce power consumption in the peak period, a water source is cooled to the needed temperature through the refrigerator body and stored in the cold storage water tank, when external air needs to be cooled, the water pump is started, cooling water is conveyed into the shell, and the water source is cooled. Meanwhile, external hot air is conveyed into the multiple tube plates, heat exchange is achieved between the external hot air and external cooling water, then the temperature of the hot air is controlled through the cooling water under the effect of the temperature difference, and resources are saved.

The invention relates to the field of photovoltaic modules, in particular to an energy storage device and electric equipment. The energy storage device comprises a mounting frame; and the plurality of groups of photovoltaic modules are arranged on the mounting frame. A light sensor is arranged on the cross beam. The photovoltaic module comprises a mounting frame I capable of horizontally moving and rotating along the cross beam; the mounting frame II is arranged on the front side of the mounting frame I in an overturning manner; the solar cell panel and the cleaning assembly are both installed at the front end of the second installation frame. The cleaning assembly comprises a pushing piece located above the solar cell panel, a reset piece located below the solar cell panel and a cleaning piece located between the pushing piece and the reset piece. According to the invention, the photovoltaic module independently moves and rotates according to monitoring data so as to adjust the position of the corresponding solar cell panel. The cleaning piece is driven by the pushing piece and the reset piece to move back and forth on the end face of the solar cell panel for cleaning. And the pushing piece sucks air behind the mounting frame II, so that heat removal and heat dissipation are accelerated. Finally, efficient energy storage, energy conservation and environmental protection are achieved through the structural cooperation.

The utility model provides a pair of luminous glasses capable of generating power through solar energy, which relates to the technical field of intelligent wearing and comprises a glasses body, a PCB (Printed Circuit Board), an LED (Light Emitting Diode) lamp, a battery and a solar panel, the problem that in the prior art, light sources are insufficient for people wearing glasses in the dark is solved. The solar cell panel fixedly arranged in the middle of the mirror frame is used for generating electricity, so that frequent charging requirements are avoided, and the glasses are more environment-friendly and convenient; a plurality of batteries are arranged, energy storage is efficient, and light intensity is high; the LED lamp switch is used for controlling on and off of the light source, so that the LED lamp can be used in the daytime and at night; the light intensity can be adjusted through the luminosity adjusting device so as to adapt to different environments, the individual requirements are met, and a more suitable eye using environment is provided; the light-sensitive color-changeable lens is adopted, can become a colored lens for protection when encountering strong light irradiation, and is suitable for being used indoors and outdoors at the same time.

The invention relates to a mobile platform capable of jumping continuously, which comprises a bottom plate, a bedplate and a lifting plate, the bottom plate and the bedplate are vertically distributed at intervals, the lifting plate is positioned between the bottom plate and the bedplate, a plurality of support legs distributed along the circumferential direction are fixed on the lower side of the bottom plate, and an impact plate is fixed on the upper side of the bedplate; a rack penetrating through the lifting plate and a plurality of guide rods distributed in the circumferential direction are fixed between the table plate and the bottom plate, linear bearings matched with the guide rods one to one are installed on the lifting plate, springs are arranged on the guide rods between the lifting plate and the bottom plate in a sleeving mode, and a motor is fixed to the lower side of the lifting plate. An output shaft of the motor penetrates through the lifting plate and is provided with a driving bevel gear, an impact rack which penetrates through the platen and is matched with the impact plate is fixed to the upper side of the lifting plate, a transmission shaft is installed on the impact rack, and a transmission bevel gear meshed with the driving bevel gear and an incomplete gear matched with the rack are installed on the transmission shaft. The device has the advantages of being compact in structure, convenient to operate and control, high in adaptability, good in trafficability and high in reliability.

The utility model discloses an integrated energy system for a zero-carbon park, and relates to the technical field of energy integration. The system comprises an energy production module and an energy conversion and output module which are used for being deployed in a zero-carbon park, and the energy production module comprises a photovoltaic photo-thermal integrated assembly unit, a vertical axis wind turbine and a standby power supply unit. The energy conversion and output module comprises a cold storage unit, a phase change heat storage unit, an electricity storage unit, a photovoltaic direct-driven variable-frequency centrifugal water chilling unit / multi-connected air conditioning unit and a heat pump subsystem, and through the connection relation of the cold storage unit, the phase change heat storage unit, the electricity storage unit, the photovoltaic direct-driven variable-frequency centrifugal water chilling unit / multi-connected air conditioning unit and the heat pump subsystem, the obtained comprehensive energy system can have the characteristics of renewable energy source integration, multi-energy complementation, multi-mode energy storage, modular design and the like. Therefore, efficient collaborative supply of electricity, heat, cold and the like can be achieved, the purposes of efficient energy utilization and carbon neutralization in the park are achieved, the system is particularly suitable for occasions such as industrial parks and science parks which have high energy consumption and need low-carbon energy supply, and practical application and popularization are facilitated.

The utility model relates to the technical field of energy storage, and provides a heat pump supercritical carbon dioxide energy storage system. The utility model provides a heat pump supercritical carbon dioxide energy storage system which comprises an energy storage circulating device and an energy storage device. The energy storage circulating device comprises a low-pressure supercritical carbon dioxide storage tank, a first compressor, an after-stage cooler, a high-pressure supercritical carbon dioxide storage tank and a turbo expander which are sequentially connected to form a closed loop; the energy storage device is connected with the stage aftercooler and used for storing compression heat released by the stage aftercooler. According to the heat pump supercritical carbon dioxide energy storage system, the designed energy storage circulating device and the energy storage device are integrated, and the technical problems that in the prior art, a carbon dioxide energy storage system is large in occupied area and low in energy storage efficiency are effectively solved.

The invention discloses an air energy storage power generation system which achieves efficient compression, storage and conversion of air energy by optimizing the layout and structure of an air compressor, an air suction machine, an accelerator and a power generator. The system adopts double air compressors arranged left and right, is equipped with a large-capacity air tank and an air compression energy storage device, and internally integrates a piston and a piston ring, so that the energy storage efficiency is improved; the air suction machine and the exhaust valve are reasonably arranged, the airflow path is optimized, and the accelerator efficiently drives the generator to generate electricity through the transmission gear; in addition, the stability and reliability of the system are enhanced through a driving mechanism composed of the concave-convex downward pressing self-forming device, a gap bridge, a chain, a steel wire rope and the like and a booster on the periphery of the accelerator. According to the invention, the power generation efficiency is improved, the cost is reduced, the utilization of renewable energy sources is promoted, and remarkable economic and environment-friendly benefits are achieved.

The present invention discloses a high-efficiency water cold storage system, which relates to the field of cold storage technology, and includes a mounting plate, a cold storage component for cooling air is arranged on the top of the mounting plate, and an energy storage component for cooling water further is arranged near the center of the top of the mounting plate. In order to effectively reduce peak power consumption during hot summer weather, this high-efficiency water cold storage system cools the water source to the required temperature through the refrigeration machine body and stores it inside the cold storage water tank. When it is necessary to cool the outside air, the water pump is started to transport the cooling water to the inside of the shell, and at the same time, the external hot air is transported to the inside of multiple tube sheets to achieve heat exchange with the cooling water arranged outside, and then the cooling water controls the temperature of the hot air under the action of the temperature difference, saving resources.

The invention discloses a high-heat-capacity and low-corrosivity carbonate molten salt heat transfer and storage medium, a method and application, and belongs to the technical field of molten salt heat storage. The high-heat-capacity and low-corrosivity carbonate molten salt heat transfer and storage medium is prepared from K2CO3, Li2CO3, Na2CO3, AlCl3 and Al powder in percentage by mass, the Al powder and the AlCl3 powder are introduced into carbonate molten salt, the application target that the heat storage performance is excellent at the temperature of 600-850 DEG C can be achieved, and the heat transfer and storage efficiency of the carbonate molten salt is improved. And meanwhile, [Al] with considerable activity is generated by virtue of potential regulation capability of dissolved metal ions and gaseous chloride products by virtue of physical adsorption and chemical adsorption acting forces, so that the aim of reducing corrosion is fulfilled. The high-heat-capacity and low-corrosivity carbonate molten salt heat transfer and storage medium disclosed by the invention realizes the application goals of excellent heat storage performance and low corrosivity, is high in stability, simple in preparation process and easy for large-scale production, and can be applied to photo-thermal power generation and molten salt energy storage.

The invention relates to the technical field of energy storage technology and electric vehicle charging equipment, and provides mobile non-inductive storage and charging equipment which comprises a charging vehicle, driving wheels are symmetrically mounted on the bottom wall of the charging vehicle, a camera is mounted on the front wall of the charging vehicle, a mounting groove is formed in the top wall of the charging vehicle, and a processor and a communication module are mounted in the mounting groove. A top shell is fixed to the position, corresponding to the mounting groove, of the top wall of the charging car, and a display screen and an antenna are mounted on the top shell; the energy storage system module is mounted in the charging vehicle through a mounting plate, and a protection mechanism is mounted on the outer side of the energy storage system module; according to the technical scheme, the problems that in the prior art, the position of a fixed charging pile is difficult to expand, power supply is insufficient, the installation cost is too high, a traditional charging facility usually depends on the mains supply for charging, but in the peak period of power utilization, the load of a power grid is too heavy, and consequently charging equipment cannot provide enough power are solved.

The present invention discloses a method and system for coordinated operation of a hybrid energy storage system based on batteries and hydrogen energy storage, and relates to the technical field of coordinated control of hybrid energy storage systems. The energy storage control instruction generation module of the present invention adopts a power distribution model to control energy storage power distribution data of a battery power supply unit and a hydrogen energy storage unit, and adds a demand side daily dynamic adjustment factor to the power distribution model. The demand side daily dynamic adjustment factor is generated based on the total power demand data of the next power supply cycle of the demand side and the current temperature data, thereby realizing dynamic energy storage adjustment based on the demand side and the ambient temperature, realizing more efficient energy storage, and making the energy storage system's power supply to the demand side more stable; based on the energy storage power distribution data, an energy storage power distribution dynamic control instruction is generated and transmitted to an energy storage controller; the energy storage controller can control the battery power supply unit and the hydrogen energy storage unit to store energy according to the energy storage power distribution dynamic control instruction by controlling the energy storage charging and discharging module.

The invention relates to the field of renewable energy utilization, and discloses a green electricity hydrogen and oxygen production micro-fluidic hydrogenation biomanufacturing carbon neutralization comprehensive energy system which comprises a wind and light power generation unit, and the wind and light power generation unit comprises a wind driven generator, a photovoltaic panel and an electric power control system. The wind-solar power generation unit utilizes a photovoltaic panel and a wind driven generator to carry out wind energy and solar energy power generation and is matched with the power control system to transmit electric energy to the electrolytic hydrogen production unit; the wind-solar power generation unit is connected with an electrolytic hydrogen production unit, the electrolytic hydrogen production unit is provided with a hydrogen and oxygen storage device and is connected with a biological manufacturing unit, and the biological manufacturing unit is connected with a micro-fluidic carbon dioxide hydrogenation unit. The micro-fluidic carbon dioxide hydrogenation unit is connected with a methanol induction unit and a green methanol energy utilization unit. Wind and light are used for power generation, natural energy is converted into electric energy, green electricity is provided for the system, dependence on fossil fuel is reduced, and carbon emission is reduced.

The utility model relates to the technical field of energy storage, and provides a liquid carbon dioxide energy storage system. The utility model provides a liquid carbon dioxide energy storage system. The liquid carbon dioxide energy storage system comprises a charging storage tank, at least one compressor, a first liquefying device, a discharging storage tank, a power generation device and a second liquefying device, the charging storage tank can store low-pressure liquid carbon dioxide; the first liquefying device can liquefy carbon dioxide; the discharge storage tank can store low-pressure liquid carbon dioxide; the second liquefying device can liquefy carbon dioxide. The utility model provides a carbon dioxide energy storage system which is used for solving the technical problem that in the prior art, the occupied area for storing carbon dioxide gas at normal temperature and normal pressure is large.

The invention discloses a concrete-aqueous battery composite building energy storage material, and provides an innovative concrete-aqueous battery composite building energy storage material. The material perfectly integrates an energy storage function and a building structure, saves space and improves energy efficiency. And by adopting the water-based electrolyte and the environment-friendly material, the safety and the environment friendliness are greatly improved, and the device is suitable for being used in dense population areas. The well-designed electrode and electrolyte system is combined with the buffering effect of the concrete matrix and the micro-channel network, so that high energy density, excellent cycle performance and long-term stability are ensured. The composite material not only reduces the initial installation and long-term operation cost, but also can participate in peak regulation of a power grid to create additional economic benefits. In addition, the material has wide adaptability, can be customized according to different requirements, is suitable for building and infrastructure projects of various scales, and has very high application flexibility in both new construction and reconstruction.