138results about How to "Stable output voltage" patented technology

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.

The invention discloses a networked photovoltaic power generation energy storage system, relates to the technical field of photovoltaic energy storage, and is used for charging control of a rechargeable battery, overcurrent protection during charging control of the rechargeable battery and automatic voltage stabilization through a feedback pin. The demodulator is used for transmitting demodulated data to the charging controller for processing; the control module is used for controlling the voltage regulation precision and the voltage regulation range of the voltage regulation module, processing a receiving power request fed back by the demodulation module in time, and outputting a control signal to the voltage regulation module according to requirements, so as to realize multi-gear voltage precise regulation; the load power detection module and the load voltage and current detection circuit are additionally arranged at the load, the load power and the voltage and current are uploaded to the monitoring system, it is ensured that the output of the inverter does not exceed the limit value, then the output power of the photovoltaic power supply is ensured, countercurrent is effectively avoided, and energy is saved.

The invention discloses a multi-inverter parallel connection improved reactive droop control method and system, and relates to the technical field of inverter operation voltage regulation, and the method comprises the steps: obtaining first data of the output side of an inverter, and calculating second data outputted in real time according to the first data of the output side of the inverter; performing droop control on the second data to obtain given values of frequency and voltage, obtaining PWM given voltage through voltage and current double-closed-loop control according to the given values of the voltage, and performing dynamic adjustment on the PWM given voltage through energy storage adjustment; the phase of the inverter 1 is collected in real time through SOGI-PLL pre-synchronization and serves as phase input of the inverter 2. Through the improvement of the variable reactive droop coefficient, the drop phenomenon of the system voltage is relieved, the stability of the output voltage of the inverter is kept, the influence of voltage fluctuation on the system is reduced, and the electric energy quality of the system is improved.

The invention discloses an LDO (Low Dropout Regulator) circuit with pull current and sink current capabilities, which comprises an input stage module, a current processing module, a power tube module and a compensation module, and is characterized in that the input stage module is used for calculating an error value of a reference voltage and a feedback voltage and converting the error value into an error current; the current processing module is used for carrying out operational amplification on the error current and outputting the error current to the power tube module, the power tube module is composed of two groups of power tubes and respectively provides a pull current and a sink current for an output node, and the compensation module compensates the frequency characteristic of the circuit and realizes stable regulation and control on the output voltage under different load conditions. Compared with a traditional LDO structure, the LDO structure can provide a pull current power supply mode and a sink current power supply mode, and is suitable for wider load scenes; and meanwhile, a Gm driving type error amplifier structure and a symmetric current mirror Miller compensation structure are used, so that compared with a traditional error amplifier, the wide bandwidth is achieved, rapid transient response is achieved, and better performance is achieved.

The invention discloses a method for effectively improving the power supply rejection ratio of an LDO (Low Dropout Regulator) through Cascode compensation, and relates to a method for improving the power supply rejection ratio, which comprises an LDO circuit with a Cascode compensation and a high power supply rejection ratio. The circuit comprises a band-gap reference circuit VREF, an error amplifier EA, a PMOS (P-channel Metal Oxide Semiconductor) power tube and resistance feedback networks R5 and R6, the band-gap reference circuit is not provided with an operational amplifier structure, PTAT current is generated through the current mirror, and the influence of power supply voltage on output reference voltage is reduced; according to the low dropout regulator circuit, the error amplifier EA is improved, the Cascode compensation is adopted to eliminate the right half plane zero point problem caused by Miller compensation, and the power supply rejection ratio (PSRR) output by the LDO circuit is increased. The EA module is designed, and the output LDO voltage is fed back to the current compensation circuit, so that the current compensation of each branch in the circuit is realized, the output voltage of the LDO is stable, and the power supply rejection ratio (PSRR) is remarkably improved.

This application discloses a method, apparatus, storage medium, and product for controlling the current of a charge-and-discharge power supply. The method includes acquiring a target adjustment command, which includes a target current increment. This target current increment is the difference between a first preset current and a second preset current. The first preset current is the target current of the previous adjustment cycle, and the second preset current is the target current of the current adjustment cycle. The method also includes acquiring a voltage increment based on multiple target parameters and the target current increment. These multiple target parameters include the battery electromotive force, battery internal resistance, and line impedance of the charge-and-discharge power supply when it was in a stable state in the previous adjustment cycle. Finally, the method includes acquiring an adjustment amount based on the voltage increment and adjusting the output current of the charge-and-discharge power supply based on the adjustment amount. This method can improve the response speed while ensuring the stability of the output current of the charge-and-discharge power supply.

The invention provides a fault-tolerant control signal generation method, a control method, a generation device and equipment, and solves the technical problem that an existing rectifier fault-tolerant control method is not stable enough. By arranging the protective tubes at the P position, the O position and the N position of the rectifier and cutting off the faulty switch tube by fusing the protective tubes after the switch tube breaks down, the embodiment of the invention can isolate the faulty position in time and avoid further expansion of the fault. When the fuse is detected to be fused, the implementation mode can automatically select different fault-tolerant control strategies according to the position of the fault switch tube, so that other normally working switch tubes can still run continuously. According to the mode, plate explosion or system shutdown caused by faults of individual switch tubes is effectively avoided, and stable operation of the rectifier system is ensured. Meanwhile, a control signal is generated based on a space vector pulse width modulation algorithm, the system after the fault can be accurately controlled, and the stability of the output voltage is maintained.

This application provides a hybrid magnetic circuit and intelligent flux distribution current transformer energy harvesting device and method to solve the problems of low sensitivity for small current energy harvesting and weak resistance to large current saturation in current transformer energy harvesting devices. The device includes a hybrid magnetic circuit unit, a magnetic state detection unit, and an intelligent flux distribution unit. The hybrid magnetic circuit unit includes a first magnetic circuit and a second magnetic circuit connected in parallel and magnetically coupled. An energy harvesting winding and an auxiliary control winding are wound on the first and second magnetic circuits, respectively. The magnetic state detection unit monitors the magnetization state of the first magnetic circuit, and the intelligent flux distribution unit injects controllable current into the auxiliary control winding to adjust the flux ratio flowing through the first and second magnetic circuits. By constructing a parallel hybrid magnetic circuit and implementing active flux distribution, this application ensures that the first magnetic circuit operates in the ideal linear region under any transmission conductor current, thereby simultaneously achieving ultra-high sensitivity for small current energy harvesting and extremely strong resistance to large current saturation.

The invention discloses a mobile compact power supply device for emergency power supply. The device comprises a current transformer for protection, a current transformer for metering, a circuit breaker and a high-capacity electromagnetic voltage transformer, the current transformer for protection, the current transformer for metering and the circuit breaker are connected in series with the high-capacity electromagnetic voltage transformer; the circuit breaker and the current transformer for protection form a high-voltage protection control system to provide relay protection for the device; the high-capacity electromagnetic voltage transformer comprises a high-capacity electromagnetic voltage transformer host, a control cabinet and a compensation cabinet, and provides power compensation of a power winding and error compensation of a voltage measurement winding of the device under a fluctuating load. And the current transformer for metering is used for metering the electric energy of the device.

The invention relates to the technical field of air energy heat pumps, in particular to a noise reduction structure of an air energy heat pump, which comprises an air heat energy pump box body, noise reduction plate groups are movably mounted on four sides of the top end of the air heat energy pump box body, each noise reduction plate group comprises a sound insulation plate, and the top end of the inner wall of each sound insulation plate is connected with a movable shaft; and the movable shaft is movably mounted at the top end of the air heat energy pump box. According to the air heat energy pump box, the sound insulation plates are rotationally installed on the four sides of the air heat energy pump box body, the sound insulation plates are designed in an opening mode, workers can conveniently overhaul the air heat energy pump box body, and when the sound insulation plates are vertically placed on the outer side of the air heat energy pump box body, noise is absorbed through the sound absorption box body; the holes are formed in the surfaces of the sound absorption box body and the lining box, when sound waves enter the holes, sound energy can be converted into heat energy, so that the strength of the sound waves is weakened, the sound absorption cotton strips are installed in the lining box, and through the design of the sound absorption cotton strips, the noise sound waves are further reduced.

The application relates to the technical field of LED circuit, in particular to a lamp color adjusting circuit with a thyristor light modulation module, which comprises a rectifier circuit, a multi-grade dial code color adjusting circuit, a frequency flash removing circuit, a thyristor current discharge circuit and a constant current light modulation circuit. The rectifier circuit converts an alternating current power supply into a direct current voltage to supply power to a circuit system. The multi-grade dial code color adjusting circuit adjusts the current distribution of LED lamp beads through a dial code switch and a second group of resistors, generates a color adjusting signal, carries out low-pass filtering and dynamic compensation on the color adjusting signal, and outputs a pure control signal to the thyristor current discharge circuit. The thyristor current discharge circuit adjusts a current path according to the control signal to provide a smooth and adaptive power supply for the constant current light modulation circuit. The constant current light modulation circuit realizes constant current output. The design significantly reduces the hardware cost and the complexity of the circuit system, effectively suppresses electromagnetic interference in combination with the low-frequency modulation characteristics of the thyristor, and realizes the balance between light modulation precision and the stability of the circuit system.

The invention discloses an unmanned ship anti-offset wireless power transmission system based on a reconfigurable trapezoidal magnetic coupling mechanism, and the system comprises an MCR-WPT topological structure based on an LCC-S compensation network, and the topological structure comprises an inverter circuit, the LCC-S compensation network based on a reconfigurable coil, a rectification circuit, and a DC-DC converter. The input end of the inverter circuit is connected with a power supply and is used for converting the power supply into a high-frequency alternating-current power supply; the LCC-S compensation network based on the reconfigurable coil comprises a primary side and a secondary side, the input end of the primary side is connected with the output end of the inverter circuit, an anti-offset magnetic coupling mechanism is connected between the primary side and the secondary side, and the output end of the secondary side is connected with the rectifying circuit; the rectifying circuit is used for converting the high-frequency alternating current into direct current; and the DC-DC converter is used for completing the conversion of the voltage level of the output end. According to the invention, the magnetic coupling mechanism can be flexibly adjusted for unmanned ships with different voltage levels so as to realize efficient charging, and the offset resistance of the system is enhanced.

The utility model discloses an isolation driving power supply circuit comprising a DC power supply, a first MOS tube, a second MOS tube, a first capacitor, a second capacitor, a third capacitor, a fourth capacitor, a fifth capacitor, a first resistor, a second resistor, a first diode, a second diode, a voltage-regulator tube and a transformer. One end of the secondary side of the transformer is connected with the positive electrode of the second diode, and the negative electrode is connected with one end of the third capacitor; the other end of the secondary side of the transformer is also connected with one end of a fourth capacitor and one end of a fifth capacitor, the other end of the fourth capacitor is connected with the cathode of a voltage-regulator tube, the other end of the fifth capacitor is connected with the anode of the voltage-regulator tube and the anode of a first diode, and the cathode of the first diode is connected with one end of the secondary side of the transformer; the two ends of the third capacitor are used for being connected with a first IGBT drive circuit, and the two ends of the fourth capacitor are used for being connected with a second IGBT drive circuit.

The invention discloses an overheating protection early warning device and a high-low voltage power distribution cabinet, and the device comprises a housing, a plurality of second conductors and third conductors, interfaces disposed at the two ends of the housing, a first conductor connected with the interfaces at the two ends, an execution assembly fixedly connected with the first conductor, and an adjustment assembly for driving the second conductors and the third conductors to move. The second conductors are arranged on one side of the first conductor at intervals, the third conductors are arranged on the other side of the first conductor at intervals, and the execution assembly drives the adjusting assembly to enable the second conductors and the third conductors to approach the first conductor simultaneously. The executing assembly drives the adjusting assembly according to the temperature of the first conductor, when the temperature rises, the first conductor makes contact with the second conductor and the third conductor, the current circulation cross section is increased, resistance is reduced, heat production is reduced, and safety accidents such as equipment damage and fire disasters caused by overheating are effectively prevented.

The embodiment of the invention discloses a power supply device and a charging method and system. The power supply device comprises a rectification module used for rectifying an AC voltage to obtain a first pulsating DC voltage; the conversion module is used for converting the first pulsating direct-current voltage to obtain stable direct-current voltage; the valley filling circuit is respectively connected with the rectification module and the conversion module, and is used for boosting the first pulsating direct-current voltage output by the rectification module when the voltage value of the first pulsating direct-current voltage is greater than a first voltage threshold value, and storing energy based on the boosted first pulsating direct-current voltage; and when the voltage value of the first pulsating direct-current voltage is smaller than a second voltage threshold value, electric energy is provided for the conversion module, so that the trough voltage of the first pulsating direct-current voltage input to the conversion module is increased. According to the power supply device, the charging method and the charging system, the size of the power supply device can be reduced, and the stability of the output voltage of the power supply device is ensured.

This invention relates to the field of semiconductor detection technology and discloses a mass spectrometry device with a variable configuration energy analyzer and its control method. By coordinating a variable slit mechanism, an electrode system, and a mode switching controller, this invention enables the same mass spectrometry device to flexibly switch between two operating modes: wide energy acquisition and high sensitivity, and narrow passband and high energy resolution. This resolves the contradiction that existing fixed-parameter energy analyzers cannot simultaneously meet the needs of different analytical tasks. Through pre-storing target operating mode parameter sets and a parallel control strategy, parameters for all operating modes are pre-calculated and calibrated, and can be directly recalled during mode switching without real-time calculation. Simultaneously, the slit width, the output voltage of each electrode, and the operating status of the ion source components are adjusted, effectively reducing the mode switching time and ensuring that the switching time is controlled within a set time, meeting the requirements for online real-time switching during process operations.

The utility model relates to a dimming turn-off control circuit and a driving power supply. The dimming turn-off control circuit comprises a voltage feedback module, a dimming turn-off module, a loop feedback module and a dummy load module, the dimming turn-off module is turned on according to the dimming turn-off signal and pulls down a voltage feedback signal output by the voltage feedback module when the dimming turn-off module is turned on and controls the dummy load module to start working; the loop feedback module outputs a turn-off feedback signal to the main control chip according to the pulled-down voltage feedback signal, so that the main control chip turns off the output according to the turn-off feedback signal; and the dummy load module forms a dummy load loop during working. The output voltage of the voltage feedback module and the output voltage of the driving power supply are reduced through the dimming turn-off module, the purpose of dimming turn-off is achieved, meanwhile, a dummy load loop is formed through the dummy load module after dimming turn-off, an auxiliary power supply winding keeps certain energy, the output voltage is kept stable, the turn-off effect can be achieved, and the service life of the driving power supply is prolonged. And the problem of dimming flickering can be avoided, the reliability is good, and the cost is low.

The invention provides a negative single-particle transient reinforcing circuit and method based on a comparator and a resistance network, the negative single-particle transient reinforcing circuit comprises the comparator, the resistance network, a transistor and a capacitor, the positive electrode input end of the comparator is connected with the output end of a BGR, the negative electrode input end of the comparator is connected with the resistance network, and the transistor is connected with the capacitor. The output end of the comparator is connected with the grid electrode of the transistor, the drain electrode of the transistor is connected with the positive electrode input end of the comparator, the source electrode of the transistor is connected with one end of the capacitor and the voltage output end, and the other end of the capacitor is grounded. The plurality of resistors comprise a fifth resistor, a sixth resistor and an Nth resistor RN (N is an integer greater than 5). According to the negative single-particle transient reinforcing circuit based on the comparator and the resistance network, the Vref voltage output by the BGR subjected to SET is adjusted in real time based on the comparator, the circuit can be effectively reinforced, and the output voltage can be stabilized within a certain range.

The invention discloses a low-power-consumption switching power supply converter based on a Boost circuit. The output end of a band-gap reference source module is connected with one input end of an error amplifier module; the output end of the error amplifier module is connected with the input end of the bypass mode switching module; the output end of the zero-cross detection module is connected with the input end of the bypass mode switching module; the output end of the bypass mode switching module is connected with a signal input end of the RS trigger; the output end of the turn-on time generator module is connected with one signal input end of the RS trigger, and the input end of the turn-on time generator module is connected with the other signal output end of the RS trigger; and the other output end of the RS trigger is respectively connected with the control signal input end of the Boost power converter and the other input end of the error amplifier module. In the input voltage range, stable output voltage can be achieved, the conversion efficiency is kept at a high level in the full-load range, and the design requirements for low power consumption and high efficiency are met.

A lead-free piezoelectric energy harvesting ceramic material system with stable output voltage and controllable output current and its preparation are disclosed, belonging to the field of piezoelectric ceramic materials. The matrix chemical composition of this ceramic material is (1-x)(K 0.48 Na 0.52 (Nb) 0.96 Sb 0.04 O3-x(Bi) 0.5 Na 0.5 ZrO3 with x values ​​of 0.015, 0.03, and 0.04 exhibits stable output voltage and progressively increasing output current density in these three systems. Samples are prepared by wet grinding, drying, granulation, pressing, and sintering according to the corresponding stoichiometric ratios. This invention achieves stable output voltage and controllable output current density within the same lead-free piezoelectric ceramic material system, significantly advancing piezoelectric energy harvesting technology.

This invention discloses a voltage recovery control method and system for grid-connected wind farms after faults based on variable reactive power coefficients. The method includes: acquiring parameters of the grid-connected wind turbine generators and their operational requirements; determining the feasible region of reactive power output for the grid-connected wind turbine generators based on these parameters and operational requirements, combined with voltage-reactive power droop control constraints, and evaluating the maximum reactive power support and dynamic voltage support capabilities of the grid-connected wind turbine generators to obtain evaluation results; establishing an integrated model for voltage recovery control after faults involving the wind turbine generators, the wind farm, and the power grid, transforming the feasible region of reactive power output and the evaluation results into control constraints, and calculating the optimal reference value for the reactive power coefficient of the wind turbine generators to regulate each wind turbine generator. This invention aims to ensure the stability of node voltages in grid-connected wind farms under strong disturbances, maximize reactive power support and dynamic voltage support capabilities, and improve the voltage recovery control capability after wind farm faults.

The invention relates to the technical field of offshore power generation, in particular to a wind, light and tide integrated offshore power generation device, which comprises a power generation mechanism, a tower drum, a rear seat arranged on the tower drum, power generation blades connected to the rear seat, a base fixed on the tower drum, a power assembly arranged on the tower drum, a connecting mechanism and a handle, the power generation device comprises a handle, a tensioning assembly arranged on the handle, a moving assembly arranged on the tensioning assembly and a rotating assembly arranged on the rear seat, wind energy, solar energy, tidal energy and geothermal energy on the sea can be fully utilized at the same time through a power generation mechanism, the output voltage is more stable, and through the moving assembly and the rotating assembly, the power generation efficiency is improved. The angle of the rear seat can be adjusted, so that the angle can be adjusted according to the wind direction, when the rear seat can be adjusted at multiple angles, the power generation blades can convert wind energy into electric energy to the maximum extent, and voltage can be output more stably.

The present invention discloses an energy collection and vehicle fault monitoring system for active vibration reduction. In the present invention, the slide bar fixed on the upper pressure plate and the lower slide groove constitute a sliding pair; the slide bar is sleeved with a vibration reduction spring; one end of the left and right wing support plates are respectively hinged to the two sides of the lower slide groove; the left ratchet is hinged to the other end of the left wing support plate and connected through a left torsion spring; the right ratchet is hinged to the other end of the right wing support plate and connected through a right torsion spring; the middle of the left and right wing support plates are connected through a balance spring; the ratchet is fixed on the input shaft of a micro-generator; the power output end of the micro-generator is connected to an energy storage battery; the monitoring system collects the electrical signal output by the micro-generator, and monitors and analyzes vehicle faults. The present invention can collect vibration energy within half a cycle of vibration of the vehicle's entire suspension system, has a high energy conversion rate, and has an active vibration reduction effect, can provide a stable output voltage, and can perform fault detection of the vertical stiffness of the suspension without detecting the suspension system.

The invention relates to the field of electromagnetic compatibility, and discloses a method and a system for controlling a plasma scalpel by utilizing an EMC (Electro Magnetic Compatibility) rectifying and filtering technology, and the method comprises the following steps: determining a target voltage demand required by the plasma scalpel; analyzing the electromagnetic interference state of the plasma knife, and constructing an EMC filter of the plasma knife; the method comprises the following steps of: constructing a rectifying circuit for filtering alternating current voltage; calculating a filtering capacitance value and a filtering inductance value which are required for eliminating a pulse component; constructing a filtering circuit of the rectifying circuit; determining a boosting coefficient of a to-be-constructed converter corresponding to a plasma knife, determining a switching frequency and a duty ratio of the to-be-constructed converter, and calculating a conversion inductance value of the to-be-constructed converter; constructing a DC-DC converter of the converter to be constructed; and a control system of the plasma knife is constructed, and precise control over the plasma knife is executed. The precise control effect of the plasma knife can be improved.

This invention relates to the field of voltage regulator circuit technology and discloses an LDO voltage regulator circuit for a PoE power supply system, including an error amplifier, a slew rate enhancement circuit, and a power transistor M11. In practical use, this invention compares the reference voltage VREF and the output voltage of the LDO voltage regulator circuit with the error amplifier, and adjusts the charge release control of the power transistor M11 control terminal based on the feedback signal output by the error amplifier. This allows for a rapid response when the output voltage of the LDO voltage regulator circuit fluctuates, thereby ensuring the stability of the LDO voltage regulator circuit's output voltage.

The invention discloses a conservative virtual synchronous generator impedance setting method and device and a medium, and the method comprises the steps: obtaining a first voltage reference value and a second voltage reference value through building an open-loop voltage control model; when the current flowing through the grid-forming converter is smaller than the current limiting amplitude, the voltage of the grid-forming converter is adjusted to be a first voltage reference value, and otherwise, the voltage is adjusted to be a second voltage reference value; and the resistance and inductance of the virtual impedance are controlled in a conservative feasible region. According to the conservative virtual synchronous generator impedance setting method and device and the medium provided by the invention, the voltage is correspondingly adjusted according to the numerical value of the current flowing through the grid-forming converter, and the converter can be ensured to stably operate under various power grid conditions by limiting the parameter of the virtual impedance to change within the preset range; the problem that it is difficult to conduct current limiting on a network-forming type current converter in a simple and convenient virtual impedance setting mode so as to improve the overall performance of the current converter can be solved.

The invention provides a grid-connected control method and device for a distributed photovoltaic-energy storage system, and relates to the technical field of photovoltaic energy storage, the grid-connected control method and device are applied to the distributed photovoltaic-energy storage system, the distributed photovoltaic-energy storage system comprises a photovoltaic inverter and a DVR, and the photovoltaic inverter is connected to a power grid through the DVR; the method comprises the step of optimizing PI controller parameters of the DVR based on an MFO algorithm under the condition that output voltage fluctuation of the photovoltaic inverter is detected so as to stabilize the output voltage of the photovoltaic inverter. According to the method, rapid tracking of the output voltage of the photovoltaic inverter is realized, fluctuation voltage is better compensated, the output voltage of the photovoltaic inverter is stabilized, adverse effects of voltage fluctuation on a power grid are avoided, the dynamic performance of grid-connected operation of the distributed photovoltaic-energy storage system is improved, and excellent robustness of the system is ensured.

The present invention relates to a boost and buck control device and method for a bidirectional three-level DC-DC converter, wherein the boost control device comprises a bus voltage outer loop, an inductor current inner loop and a first signal output terminal connected in sequence, and a flying capacitor voltage loop and a second signal output terminal connected in sequence, wherein the inductor current inner loop outputs a first duty cycle signal; the flying capacitor voltage loop outputs a second duty cycle signal; the first signal output terminal comprises a subtractor and a PWM unit connected in sequence, and the second signal output terminal comprises an adder and a PWM unit connected in sequence, wherein the subtractor and the adder are respectively connected to the first duty cycle signal and the second duty cycle signal, and the PWM unit is used to output two control signals of opposite phases. Compared with the prior art, the present invention utilizes a hybrid control method of variable duty cycle and variable phase, which can stably maintain the balance of the flying capacitor, and has the advantages of being stable and reliable, low cost, and improving the running mileage of electric vehicles.

The application relates to the technical field of lithium-sulfur batteries, in particular to a high-energy-density lithium-sulfur battery for humanoid robots, which comprises an outer shell and a plurality of cell modules arranged in the outer shell, the cell modules are connected in series with each other, and each cell module comprises a plurality of cell monomers; the cell monomer comprises a lithium-sulfur cell inner shell, a liquid storage cavity is formed between the lithium-sulfur cell and the inner shell, the liquid storage cavity is filled with an insulating fluid, and a deformable isolation component is arranged between the inner shell and the lithium-sulfur cell; the inner shell is further provided with a fluid channel and a pushing cavity which are in communication with the liquid storage cavity, and the pushing cavity is provided with a movable pushing component; a movable electric connecting component is connected to the positive electrode of the lithium-sulfur cell, and the movable electric connecting component is configured to move between a first position in electric connection with the positive electrode and a second position disconnected with the positive electrode; the application can realize active and rapid power-off at the cell level, and fundamentally improves the safety and reliability of the lithium-sulfur battery in the application of humanoid robots.

The invention provides a marine monitoring work station. The marine monitoring work station comprises a core module, a carrier plate and a power module which are fixedly installed in a shell and electrically connected. The core module is fixedly arranged on the carrier plate and is electrically connected with the carrier plate, the core module comprises a core plate, and a Loongson 3A5000 processor, a Loongson 7A1000 bridge chip, a DDR3 memory and an SPI FLASH firmware which are fixedly arranged on a first surface of the core plate, and the carrier plate is connected with the core module through a COM # imgabs0 # Type 6 bus system and is used for bearing electrical connection of all parts of the core module and providing an external interface; the power supply module adopts an isolation filtering design and supplies power to the carrier plate and the core module. The processor adopts a Loongson 3A5000, the dominant frequency is 1.8-2.3 GHz, and a Loongson main bridge piece 7A1000 is carried; domestic memory particles and a domestic Loongson autonomous BIOS (Basic Input / Output System) are loaded on a standard configuration board of the bridge chip, so that domestic products with completely autonomous and controllable electronic components and software and hardware are realized; by adopting the independently researched and developed chip and operating system, the dependence on a foreign supply chain is reduced, and the stable supply and flexible customization of the marine monitoring workstation are ensured.