253 results about "Battery (electricity)" patented technology

The invention belongs to the technical field of power grid systems, and particularly relates to a cooperative scheduling method for a water-electricity-heat combined supply negative carbon building light-storage direct-flexible energy microgrid group. Comprising the following steps: constructing a negative carbon building light storage direct-flexible energy microgrid group mathematical model; wherein the mathematical model comprises a generator constraint model, an external power grid and micro-grid group exchange power constraint model, a power balance constraint model, a peak-valley difference constraint model, a storage battery constraint model, a phase change heat storage system operation constraint model and a water supply system operation constraint model; constructing a target function of the scheduling model by taking the minimum total operation cost of the negative carbon building light storage direct-flexible energy microgrid group in a scheduling period as a target; wherein the total operation cost comprises electric power procurement cost, carbon emission cost, energy storage cost, fuel cost and peak-valley difference punishment cost. Through linkage of the electricity storage system, the heat storage system and the water storage system, the utilization rate of renewable energy sources and the flexibility of the system are maximized.

The invention provides a cooperative control method and device for low-voltage power consumption of a whole vehicle and electronic equipment, and relates to the technical field of automotive electronics, and the method comprises the steps: obtaining multi-modal original data (including vehicle state information, environment information and user behavior information), and carrying out the preprocessing; performing feature extraction and fusion processing on the preprocessed multi-modal original data to generate a high-level semantic event used for representing the vehicle leaving intention of the user or the parking scene; matching a global power consumption management strategy of a high-level semantic event through a hierarchical finite-state machine model; and according to the global power consumption management strategy, executing hierarchical power supply control on the low-voltage electricity load of the whole vehicle, and in the hierarchical power supply control process, dynamically adjusting control parameters in the global power consumption management strategy based on a comparison result of the actual power consumption monitoring data and a preset baseline model. Depth power shortage of the storage battery caused by redundant power consumption is effectively avoided, the risks that the vehicle cannot be started and equipment is abnormal are reduced, and the reliability of the whole vehicle and the user experience are improved.

The invention relates to a construction vehicle (1).A battery module (40; 240; 340) is provided to supply electricity to at least one electric motor (80, 87) of the construction vehicle (1).A fastening structure (70; 270) of the battery module (40; 240; 340) is designed to be removably fastened to a first longitudinal member (10-1), in a fastening position located beneath the cab (29) in the vertical direction (C-C) of the construction vehicle (1), and the battery module (40; 240; 340) in the fastening position is accessible from an outer side of the construction vehicle (1) so that said module can be brought into or out of the fastening position from the outer side of the construction vehicle (1).

The invention discloses an electricity-hydrogen-heat coupling new energy system and an energy management method thereof, and relates to the technical field of energy management, and the method comprises the steps: monitoring the difference power between the wind-solar power generation power and the load demand of a user, the outdoor temperature, the hydrogen storage capacity of a hydrogen storage tank, the charge state of a storage battery, and the heat storage capacity of a fused salt storage tank in real time; according to the difference power and the outdoor temperature, the following energy management strategies are executed: when the output of the wind power generation module and the solar photovoltaic power generation module is greater than the load demand, excess power is stabilized through hydrogen production of an alkaline electrolytic cell, charging of a storage battery and heating of a fused salt storage tank; when the output of the wind power generation module and the solar photovoltaic power generation module is smaller than the load demand, the solid oxide fuel cell, the gas turbine and the storage battery are used for meeting the load power consumption; according to the method, coupling control over electricity, hydrogen and heat is achieved, the wind curtailment and light curtailment rate is reduced, and the overall energy utilization rate of the system is improved.

The invention discloses an intelligent greenhouse irrigation system taking water from air, which belongs to the field of agricultural engineering and intelligent control and comprises a greenhouse main body, a flow guide device, a photovoltaic module, a storage battery, a multi-source sensor, a digital twinborn module, an irrigation decision module, an intelligent execution module, a visual management platform and an ecological collaboration module. The greenhouse main body realizes cooling and condensed water collection by utilizing a surface functional coating, and water is guided into the water cellar through the flow guide device; the photovoltaic system cooperates with the phase-change material to realize power generation, heat storage and temperature compensation; the digital twinborn module is fused with multi-source data to construct a virtual model, and crop water demand and environment change are predicted; the irrigation decision module formulates an optimization strategy according to the water volume, the electric quantity and the prediction result; the intelligent execution module accurately controls irrigation and feeds back and adjusts in real time; and the ecological cooperation module is linked with regional environment data to realize overall management of greenhouse water consumption and ecological protection. According to the system, cooperative utilization of water resources and energy is achieved, and irrigation intellectualization is improved.

The invention discloses a data-driven hydrogen-electricity hybrid power energy management method and device, and relates to the technical field of engineering control, and the method comprises the steps: calculating a hydrogen consumption predicted value of a fuel cell at a k + 1 moment by applying a TDL method according to an actual hydrogen consumption value of the fuel cell at the k moment and a historical SOC actual value of a lithium battery, and then calculating an SOC reference value of the lithium battery at the k + 1 moment, constructing an SOC prediction model in the prediction time domain at the moment k by applying a TDL method, and solving a power control increment sequence of the lithium battery in the control time domain at the moment k; and calculating the reference power of the lithium battery at the k moment according to the first item in the power control increment sequence and the reference power of the lithium battery at the k-1 moment, and further calculating the reference power of the fuel battery at the k moment, thereby realizing the control of the actual output power of the lithium battery and the fuel battery at the k moment. According to the invention, the optimal power distribution between the hydrogen fuel cell and the lithium battery can be realized, and the endurance time is prolonged.

The invention relates to a method for comprehensively recycling a positive electrode material of a waste lithium iron phosphate battery, which comprises the following steps of: (1) discharging the waste lithium iron phosphate battery: providing a power supply by the waste lithium iron phosphate battery, and electrolyzing a lithium precipitation mother solution by using a three-chamber diaphragm electrolytic bath; (2) crushing and sorting; (3) two-stage leaching: leaching the lithium iron phosphate positive electrode powder with a sulfuric acid solution generated by electrolysis of a lithium precipitation mother solution, and adding an aeration disc at the bottom of a reaction kettle for aeration; adding a dilute sulfuric acid solution generated by electrolysis of lithium precipitation mother liquor into first-section leaching residues for leaching; (4) two-stage impurity removal; and (5) preparing lithium carbonate. According to the method, the lithium precipitation mother liquor for the waste lithium iron phosphate battery is discharged to prepare the sulfuric acid and sodium hydroxide-lithium hydroxide mixed solution for production, so that residual electricity is utilized, a production reagent is saved, and the problems of high energy consumption, large lithium loss and poor sale of a byproduct sodium sulfate in evaporative crystallization of sodium sulfate are solved; and the aim of circularly and comprehensively utilizing the waste lithium iron phosphate battery is fulfilled.

This invention discloses a method for reconstructing battery swapping station operation data based on adaptive truncation and feature correlation repair, belonging to the field of data reconstruction technology. First, a standardized two-dimensional spatiotemporal discrete model is constructed, and sequence mapping technology is used to align the discrete data stream to the date-time period operation space. Second, a zero-first truncation model based on the continuity of frequency distribution is established to adaptively remove outliers and noise. Then, Latin hypercube sampling and inverse cumulative distribution function transformation algorithms are introduced to fill in missing values ​​while ensuring that the reconstructed data conforms to the original probabilistic characteristics. Finally, the battery swapping frequency-electricity data is dimensionally reconstructed to facilitate the inductive analysis of battery swapping behavior characteristics. Numerical examples demonstrate that the method proposed in this invention effectively restores the statistical usability of the data, fully revealing the bi-peak tidal characteristics of battery swapping load and the distribution law of low-electricity anxiety, providing relatively reliable data support for load forecasting and regulation.

The utility model relates to the technical field of medical auxiliary instruments, and discloses a portable knee osteoarthritis rehabilitation physiotherapy instrument which comprises a main body, a physiotherapy pad is arranged on the inner side surface of the main body, an upper fixing pad is fixedly arranged on the right end face of the main body, a first hook-and-loop fastener is fixedly arranged on the outer surface of the upper fixing pad, and a second hook-and-loop fastener is fixedly arranged on the outer surface of the first hook-and-loop fastener. Through the arrangement of the storage battery, the device can have the function of storing electricity, the device is light and small, the device can be carried out, the practicability of the device is further improved, the controller can control on-off of current according to the temperature or time set by a user, and therefore heating control is achieved. The controller is provided with a temperature sensor and monitors the temperature of the physiotherapy pad in real time, when the temperature reaches a set value, the control circuit can automatically cut off current to prevent overheating, on the contrary, if the temperature is lower than the set value, the control circuit can recover current on-off, and therefore the effect of continuous heating of the electric heating wire is achieved.

The invention discloses a walking anti-skid device, a shuttle vehicle, a battery replacing channel and a battery replacing station, the walking anti-skid device is applied to the battery replacing station, the walking anti-skid device comprises limiting wheels, the limiting wheels are connected to the shuttle vehicle in the battery replacing station, so that the shuttle vehicle drives the limiting wheels to rotate; the limiting pad is arranged in a battery replacing channel located between a battery replacing station of the battery replacing station and a charging frame, and the limiting wheel is matched with the limiting pad and can move and walk on the limiting pad. The battery replacing station comprises a shuttle vehicle and the walking anti-skid device. According to the walking anti-skid device, the shuttle vehicle, the battery replacing channel and the battery replacing station, the limiting pads play an anti-skid role, the limiting wheels are connected to the shuttle vehicle and move and walk on the limiting pads, the phenomenon that the shuttle vehicle slips in the moving and walking process is effectively avoided, the moving and positioning accuracy is guaranteed, the battery replacing efficiency is improved, and safety is higher.

The utility model relates to a fascia gun convenient to assemble, which comprises a grab handle and a storage battery fixedly arranged in the grab handle, a fascia gun structure convenient to assemble is arranged at the top of the grab handle, and the fascia gun structure convenient to assemble comprises a protective shell fixedly arranged at the top of the grab handle. And an external thread cylinder is fixedly installed on the left side of the protective shell, two springs are fixedly installed on the right side of an inner cavity of the protective shell, and first terminals are fixedly installed on the left sides of the two springs. According to the fascia gun convenient to assemble, a second terminal and a driving motor can be directly in butt joint with a first terminal by directly inserting a mounting rack into an external threaded cylinder and a protective shell, and at the moment, the first terminal can transmit electricity to the second terminal and the driving motor; a mounting side cover is mounted outside a massage ball mounting rod and an external threaded cylinder, so that a rotary extrusion ring can be pushed to move rightwards to extrude and fix a mounting rack in a protective shell, and the effect of convenient and rapid assembly is achieved.

The invention discloses a computer fault intelligent alarm device, and relates to the field of computers, the computer fault intelligent alarm device comprises an alarm main body, a connection port at the upper end of the alarm main body is connected with a control unit of a computer through a data line, and heat dissipation channels penetrate through the inner sides of the upper end and the lower end of the alarm main body; a dustproof net is embedded in the outer side of the heat dissipation channel, and the multi-range adjusting mechanism drives the placement frame to rotate, so that multi-range temperature monitoring of the temperature sensor on different positions in the temperature monitoring area is achieved, and the multi-range adjusting mechanism is adaptive to heat distribution differences of computers of different sizes. According to the computer fault intelligent alarm equipment, an L-shaped limiting block is driven by a bidirectional motor to slide, a piezoelectric plate generates electricity and stores the electricity to a storage battery to supply power to an electromagnet of a cooling fan assembly, reciprocating cooling of a fan is achieved in combination with a magnetic pole block, and efficiency is improved; the multi-range adjusting mechanism drives the placing frame to rotate and can extend, so that the temperature sensor adapts to heat distribution of computers of different sizes, and monitoring errors are reduced.

The invention discloses a wave energy multiple power generation device based on magneto-rheology. The wave energy multiple power generation device comprises a potential energy utilization device, a permanent magnet power generation device, a kinetic energy utilization device, a magneto-rheological damper and an excitation power generation device. The sea wave power generation device is simple in structure, sea wave energy can be utilized in multiple modes, and electric quantity generated by the potential energy utilization device and the permanent magnet power generation device is stored in one storage battery and provided for the device; electric quantity generated by the kinetic energy utilization device and the excitation power generation device is stored in the other three storage batteries for electric quantity collection.

In an embodiment, a measurement apparatus includes a processing circuit, the processing circuit inputs a pseudo random pulse signal of a current varying between a first current value greater than zero and a second current value greater than the first current value to a storage battery. The processing circuit measures an impedance of the storage battery based on the pseudo random pulse signal of the current input to the storage battery and a temporal change of a voltage of the storage battery in a state where the pseudo random pulse signal of the current is input to the storage battery.

By supplying hydrogen gas in conjunction with other hydrogen gas supply systems besides hydrogen production equipment, we can meet a certain volume of hydrogen demand and supply hydrogen gas under better supply conditions. [Solution] The supply plan management device 10 manages the gas supply plan when supplying hydrogen gas by a hydrogen gas supply device that includes a water electrolysis hydrogen production device that produces hydrogen gas using electricity from renewable energy, commercial power, or storage batteries, and a gas supply source configured to obtain hydrogen gas by a method other than water electrolysis. The management device 10 includes a selection unit 10b that receives information on which of a plurality of operating modes, including a CO2 reduction mode and a cost reduction mode, to execute, and a planning unit 10d that creates a supply plan according to the hydrogen gas demand according to the operating mode received by the selection unit 10b.

The invention relates to the technical field of electric power operation protection, in particular to an intelligent electricity approaching early warning bracelet which comprises a wrist strap and a host, the host comprises a shell arranged in the host, a main control board is arranged in the shell, a main control MCU is arranged on the main control board, and a storage battery, an electricity approaching detection chip, an early warning module and a communication module are further integrally arranged on the main control board. The storage battery, the electricity approaching detection chip, the early warning module and the communication module are all connected with the main control MCU, the electricity approaching detection chip is connected with an electricity approaching electric field sensor and an electricity approaching induction line which are arranged on the wrist strap and used for electricity approaching induction, and the early warning module is connected with a buzzer and a vibration motor which are arranged in the host and used for electricity approaching early warning; the intelligent bracelet has the function of monitoring the change of a surrounding electric field in real time, can send an early warning signal to other nearby bracelet wearers, and can also facilitate background monitoring of the operation position and state of the wearers, thereby remarkably improving the active protection capability and emergency response efficiency of power operation.

The invention provides a new energy automobile energy station scheduling method and system considering source load uncertainty, and the energy station integrates a photovoltaic power generation device, an electrolytic hydrogen production device, a hydrogen fuel cell, a hydrogen storage device, a battery replacement device and a charging device. The method comprises the following steps: constructing respective operation models of a photovoltaic power generation device, an electrolytic hydrogen production device, a hydrogen fuel cell and a hydrogen storage device, representing predicted values of photovoltaic power generation power, power conversion power, charging power and hydrogenation quantity as fuzzy variables by using fuzzy opportunity constraints, and establishing a multi-time-scale scheduling model comprising day-ahead optimization and intra-day rolling optimization. The scheduling scheme is obtained through clear equivalence conversion and model solution, so that collaborative optimization of the power and hydrogen coupling system can be realized, dual uncertainty of photovoltaic power generation and energy consumption requirements of new energy vehicles is effectively dealt with, the utilization rate of clean energy is improved, the power purchase cost of a power grid is reduced, and the economical efficiency and reliability of the scheduling scheme are improved.

The present application relates to the technical field of heating, and discloses a heating system, comprising an outdoor heat exchange device and an indoor heat exchange device. The outdoor heat exchange device comprises a plate heat exchanger; the indoor heat exchange device comprises a housing, a heat exchange tube, heat exchange fans, and a storage battery; the heat exchange tube, the heat exchange fans, and the storage battery are all mounted in the housing; the storage battery is electrically connected to the heat exchange fans and supplies power to the heat exchange fans; a first circulation pipeline is communicated between a liquid outlet of the heat exchange tube and a cold side inlet of the plate heat exchanger; a water pump used for conveying water in the heat exchange tube to the plate heat exchanger is connected in series on the first circulation pipeline; a second circulation pipeline is communicated between a cold side outlet of the plate heat exchanger and a liquid inlet of the heat exchange tube; a turbine generator is connected in series on the second circulation pipeline; and the turbine generator is electrically connected to the storage battery, and the generated electricity is stored in the storage battery. The present application has the effects of reducing the need for indoor wiring and power strips, and shortening the construction period of the heating system.

To provide a display control device that can improve convenience in electricity trading. [Solution] The system includes a display control means that displays both the electricity trading price and the imbalance price in the electricity trading market on the display unit 13a. The display control means displays the electricity usage on the display unit 13a along with the electricity trading price 41a and the imbalance price 41b. The display control means displays the breakdown of electricity consumption on the display unit 13a along with the imbalance price, electricity trading price, and electricity usage. The display control means displays the remaining battery level on the display unit 13a along with the imbalance price, electricity trading price, and electricity usage.

The invention discloses a commercial supermarket energy-saving illuminating lamp with a quick disassembly and assembly function, and relates to the technical field of illuminating lamps, the commercial supermarket energy-saving illuminating lamp comprises a fixed guide frame, a lamp box is mounted on the fixed guide frame, a lamp body is mounted on the lamp box, a fixed frame is fixedly connected to the lamp box, a first connecting shaft is rotationally connected to the fixed frame, and a wind power rotating piece is fixedly connected to one end of the first connecting shaft; a generator is fixedly connected in the lamp box, a rotor of the generator is fixedly connected with a second connecting shaft, one end, close to the first connecting block, of the second connecting shaft is in spline connection with a second connecting block, the first connecting block is in contact with the second connecting block, and the first connecting block drives the second connecting block to rotate; and a storage battery and a controller are arranged in the lamp box. Wind power is adopted to drive the rotating piece to drive the generator to generate electricity, wind energy is converted into electric energy and stored in the storage battery, dependence on a traditional power grid is reduced, energy conservation and environmental protection are achieved, and operation energy consumption of supermarkets and supermarkets is reduced.

Disclosed in the present invention is a day-ahead and intra-day multi-time-scale optimal control method for a charging and battery swapping station microgrid. The present invention combines day-ahead optimal scheduling aiming at the minimum net electricity purchase cost, intra-day rolling optimal scheduling aiming at the minimum sum of the net electricity purchase cost and energy storage and battery swapping station power deviation penalty costs of "a day-ahead scheduling plan and an intra-day rolling scheduling plan", and real-time feedback regulation and control aiming at the minimum sum of distribution transformer, energy storage and battery swapping station power deviations of "the intra-day rolling scheduling plan and real-time feedback control", thereby effectively solving the problem that under the conditions of random fluctuations in parameters such as new energy and charging load and large prediction errors, a fixed control mode lacks planning ability, flexibility, and adaptability, and the economic efficiency cannot be guaranteed.

The invention relates to a hydrogen-electricity dual-mode energy management method and system and a method, and relates to the technical field of hydrogen fuel cell engines, the system comprises: a housing comprising a first housing and a second housing, the first housing and the second housing are detachably connected, the first housing and the second housing are connected to form an upper accommodating cavity and a lower accommodating cavity, and the upper accommodating cavity is communicated with the lower accommodating cavity; a heat exchange structure and a modeling feature part are arranged on the outer surface of the shell; the conversion module is arranged in the upper containing cavity, and a first feeding port is formed in the conversion module; the fuel cell module is arranged in the upper accommodating cavity, the fuel cell module is provided with a second material inlet, and the second material inlet is respectively connected with the conversion module and the gas inlet of the shell; the storage battery module is arranged in the lower accommodating cavity, and the storage battery module is connected with the fuel cell module; and the control unit is configured to switch the working state under the vehicle-mounted mode and the off-vehicle mode. And the effect of flexibly switching a vehicle-mounted power supply mode and a household power supply mode can be realized with a smaller volume.

To provide an offshore wind power system in which the complexity of arrangement of devices is reduced by effectively utilizing a space and devising the arrangement of a rectifier.SOLUTION: An offshore wind power system 1 comprises an offshore wind turbine 10, a marine structure 20 supporting the offshore wind turbine 10, a rectifier 40 for converting electricity generated by the offshore wind turbine 10, from AC to DC, a storage battery 50 for storing the electricity converted to DC by the rectifier 40, and a transformer 30 for changing the voltage of the electricity generated by the offshore wind turbine 10. The rectifier 40 is arranged outside a nacelle 13 included in the offshore wind turbine 10. The offshore wind turbine 10 comprises a tower 14 formed of a plurality of steel pipes. The rectifier 40 and the transformer 30 are provided in a steel pipe different from a steel pipe connected to the nacelle 13, out of the plurality of steel pipes.SELECTED DRAWING: Figure 1

The utility model discloses a semi-flexible photovoltaic heat collection and power generation integrated device which comprises a base, a main support, a semi-flexible photovoltaic panel, a heat collection pipe, a heat storage tank and a storage battery. The semi-flexible photovoltaic panel is installed on the main support through the photovoltaic support. The heat collecting pipe is installed on the photovoltaic support through a pipe support and located on a linear focusing line of the semi-flexible photovoltaic panel. The heat storage tank is installed on the base, and the heat collecting pipe is communicated with the heat storage tank through a hose and a circulating pump installed on the hose. And the semi-flexible photovoltaic panel is electrically connected with the storage battery. The semi-flexible photovoltaic panel is adopted to generate electricity, an ultraviolet light area and a visible light area in sunlight are converted into electric energy to be stored in the storage battery, the other part of the sunlight is reflected and focused on the heat collecting pipe, solar energy can be converted into the electric energy and available heat energy at the same time, and efficient utilization of the solar energy is achieved.

To provide an offshore wind power system in which the complexity of arrangement of devices is reduced by effectively utilizing a space and devising the arrangement of a rectifier.SOLUTION: An offshore wind power system 1 comprises an offshore wind turbine 10, a marine structure 20 supporting the offshore wind turbine 10, a rectifier 40 for converting electricity generated by the offshore wind turbine 10, from AC to DC, and a storage battery 50 for storing the electricity converted to DC by the rectifier 40. The rectifier 40 is arranged outside a nacelle 13 included in the offshore wind turbine 10.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of mother and baby products, in particular to a milk warmer which comprises a milk warmer body, an outer block is fixedly arranged at the upper end of the milk warmer body, a light supplementing lamp and a display screen are arranged on the surface of the outer block, two power connection sliding rails are fixedly arranged at the upper end of the milk warmer body, and power connection sliding blocks are arranged on the surfaces of the power connection sliding rails in a sliding mode. A heating cylinder is fixedly arranged at the upper end of the power connection sliding block, a heating base is fixedly arranged at the bottom of the heating cylinder, a milk bottle is placed in the heating cylinder, the temperature is adjusted through a temperature adjusting key, the storage battery supplies power to the heating wire and the heating base through the power connection sliding block and the power connection sliding rail, the heating wire and the heating base heat the milk bottle, and the display screen displays the temperature. Then a start key is pressed to start a motor, the motor drives a heating cylinder to rotate, a power-on sliding block slides on the surface of a power-on sliding rail all the time, a voice player carries out voice prompt after heating is completed, and a light supplementing lamp is convenient to use at night.

The application discloses a collaborative scheduling method based on an arctic sea parrot optimization algorithm and peak-valley time-of-use electricity price, belongs to the technical field of micro-grid intelligent scheduling and renewable energy management, and comprises the following steps: step S1, a micro-grid system model is established; step S2, operation constraint conditions are constructed, including the power balance and the upper and lower limit constraints of the power of each component of the micro-grid and the state constraints of the storage battery which need to be satisfied by the wind turbine, the photovoltaic, the gas turbine, the fuel cell, the storage battery and the power exchange with the power grid in the micro-grid; step S3, an objective optimization function of operation cost and pollutant emission is constructed; and step S4, the optimal scheduling scheme is output by applying the objective optimization function. The collaborative scheduling method based on the arctic sea parrot optimization algorithm and the peak-valley time-of-use electricity price can significantly improve the optimization precision and convergence efficiency of the system, meanwhile, the high reliability and robustness of the scheduling process are ensured, and finally, the intelligent collaborative scheduling of the micro-grid energy is realized.

This application provides an engine exhaust energy recovery system and a vehicle. The system includes a compressor, a turbine, a generator, and a battery. The turbine inlet is connected to the engine's exhaust manifold, and the turbine outlet is connected to the exhaust pipe. The compressor outlet is connected to the engine's intake manifold. The turbine and compressor are coaxially connected to form a turbocharger. The turbine is also coaxially connected to the generator, and the generator is electrically connected to the battery. When it is determined that the turbocharger does not need to intervene in engine operation, the gas output from the exhaust manifold drives the turbine drive shaft to rotate. The drive shaft drives the generator to rotate coaxially, generating electricity, which is then stored in the battery. By using the turbine to drive the generator to generate electricity and storing it in the battery when it is determined that the turbocharger does not need to intervene in engine operation, the gas that would otherwise be emitted into the atmosphere can be recovered and reused to drive the turbine and then drive the generator to generate electricity, thereby improving the utilization rate of engine exhaust gases.

This invention discloses a digital currency payment method and apparatus, relating to the field of digital currency technology. One specific embodiment of the method includes: establishing a communication connection with a payment device via near-field communication; once the communication connection is established, activating a payment chip in a payment state and acquiring the device's battery power; if the battery power is insufficient to support digital currency payment, powering the payment chip by generating electricity in the payment chip's antenna coil using the near-field communication alternating magnetic field of the payment device, thus enabling digital currency payment. This embodiment can power the payment chip's antenna coil using electricity generated by the near-field communication alternating magnetic field of the payment device when the mobile terminal's battery power is insufficient to support digital currency payment, thereby completing the digital currency payment and providing strong support for expanding the application scenarios of digital currency.

The utility model discloses a novel solar control's submersible pump control system belongs to submersible pump field, a novel solar control's submersible pump control system, photovoltaic module is connected with the electricity of battery box, and the electricity of battery box is connected with PLC controller, and the electricity of PLC controller is connected with submersible pump main part, and submersible pump main part includes drive assembly, connecting piece, support, pump cylinder, shaft coupling, pump shaft, impeller, guide vane, flat valve and water outlet section, and drive assembly and pump cylinder are connected through connecting piece, and connecting piece has a plurality of mesh, and a plurality of upper and lower interval distribution's impeller are arranged between support and flat valve, and the output of drive assembly is connected with pump shaft through shaft coupling, and impeller is fixed on pump shaft, and every impeller is all equipped with a guide vane, and water outlet section is sealedly connected in pump cylinder. The utility model utilizes photovoltaic module and battery box to realize clean, stable power supply, and its unique submersible pump main part structure effectively solves traditional submersible pump main part high speed under the performance problem such as distribution flow.