23results about How to "Improve power supply efficiency" patented technology

A semiconductor structure and a method for forming the same are disclosed. The semiconductor structure includes: a protrusion on a substrate discretely located in a device region; a channel structure on the protrusion; an isolation layer on the substrate surrounding the protrusion and exposing the channel structure; a buried power rail penetrating the isolation layer and a portion of the substrate thickness, the buried power rail being parallel and spaced apart from the protrusion; a gate structure on the isolation layer and spanning the channel structure; source / drain doped regions located in the channel structures on both sides of the gate structure; an interlayer dielectric layer on the isolation layer on the side of the gate structure and covering the source / drain doped regions; and a source / drain interconnect layer penetrating the source / drain doped regions and the interlayer dielectric layer on top of the buried power rail, the source / drain interconnect layer contacting the source / drain doped regions, and the bottom of the source / drain interconnect layer contacting the top surface of the buried power rail. This eliminates the need for a contact plug (Via) to achieve electrical connection between the source / drain interconnect layer and the buried power rail, thus optimizing the electrical connection performance between the source / drain interconnect layer and the buried power rail.

The application discloses a kind of automobile emergency starting power supply based on lithium iron phosphate battery, it is related to automobile emergency technical field, including automobile power module, for with automobile power connection;Emergency power supply module is used for power failure detection and emergency power supply control;First battery module, with the second battery module parallel power supply, and when voltage detection module detects low voltage, with the second battery module series power supply;Voltage detection module is used for low voltage detection to first battery module;Temperature detection module is used for low temperature detection when emergency power supply;Trigger control module is used for controlling first battery module and second battery module series when low temperature low voltage;High voltage control module is used for high voltage detection and control trigger control module stop working.The application based on lithium iron phosphate battery automobile emergency starting power supply can control the connection mode of lithium iron phosphate battery pack when low temperature low voltage, to meet the emergency power supply demand, improve power supply efficiency.

This application provides a vehicle power supply method, electronic device, and vehicle, relating to the field of vehicle control technology. It is applied to a vehicle power supply system and includes a high-voltage power supply and a first power conversion module and a second power conversion module connected in parallel. The method includes: in response to receiving a power-on command, adjusting the initial voltage of the first power conversion module to be greater than the initial voltage of the second power conversion module, so that the high-voltage power supply supplies power to the load device only through the first power conversion module; comparing the current power of the load device with the current power of the power supply system, and adjusting the power supply status of the first and second power conversion modules based on the comparison result. The vehicle power supply method provided by this application can improve the adaptability and power supply stability of the power supply system.

The utility model relates to the technical field of LED lamp control, and discloses a current sharing control circuit of a lamp controller and a lighting system, the current sharing control circuit comprises a control circuit, a first battery boost circuit and a second battery boost circuit, the control circuit controls the output voltage of each battery booster circuit according to the first input current from the first battery booster circuit and the second input current from the second battery booster circuit, so that the two input currents are in a preset current sharing state, and the output voltage is provided for the lamp body. Therefore, by providing the parallel connection mode of the battery booster circuits, the current sharing control of each battery booster circuit can be realized, the power supply efficiency can be improved, the independent control of the power supply voltage of each battery booster circuit can be realized, the independent work of double batteries can be supported, the working stability of the circuit can be improved, and the service life of the circuit can be prolonged. And the service lives of the batteries are basically consistent through current sharing control of the double batteries.

The invention provides an in-vehicle device and an operation method of the in-vehicle device. The efficiency of power supply in a monitoring system of a vehicle can be improved. An in-vehicle device mounted on a vehicle is provided with a control unit that controls the in-vehicle device when either or both of a change in position of the vehicle and a time during a period from starting to stopping of an engine of the vehicle satisfy a predetermined condition, and that controls the in-vehicle device when the change in position of the vehicle and the time satisfy the predetermined condition. Information is generated for supplying power from a battery in the vehicle to a system for monitoring the vehicle.

The invention relates to the technical field of motors and control, in particular to a stator power supply method of a long stator linear motor, which effectively reduces partial voltage of winding leakage reactance by subdividing a segmented winding into a winding branch A and a winding branch B and combining'pre-switching-on 'and'delayed switching-off' of uncovered segments of a vehicle. In addition, through star-shaped connection of center end points of winding branches A and B and adoption of a double-path power supply for power supply, at least two adjacent branches are ensured to be supplied with power at any time. The output transformer is arranged for the single frequency converter, the two secondary sides of the transformer share the same primary side excitation transformer, and dynamic load balancing is achieved. For doubly-fed linear motor control, a power supply adopts a variable control mode. According to the method, under the technical condition that the step changing control frequency and the power supply interval are kept basically unchanged, under the set winding voltage withstanding level, stator power supply section division is more effectively regulated and controlled, higher rotor counter electromotive force can be overcome for operation, and then the maximum operation speed of a vehicle is increased.

This invention proposes a polar multi-source zero-carbon self-sustaining power supply device and its control method. The device includes: a wind power generation unit for wind power generation; a solar power generation unit for solar power generation; a thermoelectric power generation unit for thermoelectric power generation based on the temperature difference between the inside and outside of the casing; an energy storage unit electrically connected to the thermoelectric power generation unit, the wind power generation unit, and the solar power generation unit; a control unit disposed inside the casing and electrically connected to the thermoelectric power generation unit, the wind power generation unit, the solar power generation unit, the energy storage unit, and the monitoring unit; and a communication unit electrically connected to the control unit. The control unit is also used to determine the power supply mode of the monitoring unit based on ΔW0, ΔWa, ΔWb, and ΔWc. This invention, by utilizing multiple zero-carbon energy sources for power supply, not only effectively protects the environment and greatly improves energy utilization, but also enhances power supply efficiency and the stability of the overall device's power supply.

The invention discloses a portable washing machine power supply energy-saving control system, and relates to the technical field of washing machine power supplies, and the system comprises a power supply module which is connected with commercial power, a micro-control module controls a DC change module to carry out single-path power adjustment and voltage doubling processing, and carries out the charging or driving of a washing machine module, and a voltage detection module detects that an energy storage module is fully charged. The direct-current conversion module is used for carrying out two-way power regulation, voltage superposition and voltage doubling treatment and supplying power to the washing machine module, when the power supply module is not powered, the direct-current conversion module is controlled to carry out single-way power regulation or two-way power regulation on the energy storage module according to the electric quantity of the energy storage module and the voltage of a low electric quantity threshold value, and when braking is carried out, the direct-current conversion module is controlled to carry out single-way power regulation or two-way power regulation on the energy storage module. According to the power supply state of the power supply module, the direct-current conversion module is controlled to perform hybrid power supply processing on the power supply module and the washing machine module and provide charging electric energy. The portable washing machine power supply energy-saving control system can improve the power supply efficiency and the electric energy utilization rate, reduce the power utilization cost and improve the energy-saving performance.

The application provides a control method of a light storage system, the light storage system and an electronic device, and relates to the technical field of light storage. The method comprises the following steps: acquiring a first operation parameter of a local terminal for a current moment, a second operation parameter of a light storage controller for the current moment and third operation parameters of each remote terminal for the current moment, and calculating a first line impedance coefficient of the light storage system according to the first operation parameter, the second operation parameter and the third operation parameters; and determining a second system compensation current of the light storage system at a next moment according to the first line impedance coefficient, so that the second system compensation current can be used to control a first inverter module DCDC output corresponding second system compensation voltage in the light storage power supply system, the corresponding second system operation efficiency of the light storage system at the next moment meets the preset compensation requirement, that is, the light storage system is ensured to be in a working state with high system operation efficiency, and the power supply efficiency of the light storage system can be improved.

The application mainly relates to the technical field of batteries. The application discloses a multi-liquid flow battery stack system and a control method thereof, and is used for controlling multiple battery stacks. The method comprises the following steps: detecting each battery stack to obtain health state information of each battery stack; determining the priority of each battery stack based on each health state information; screening multiple target battery stacks according to the required number of battery stacks of the load power consumption and the priority of each battery stack, and outputting electric energy by using the multiple target battery stacks; and adjusting the target battery stacks when the target battery stacks output electric energy, so that the target battery stacks are maintained in the best efficiency interval while meeting the output power demand. The application can regulate and control multiple liquid flow battery stacks, is beneficial to each battery stack to provide sufficient power output in the best efficiency condition, and thus improves the power supply efficiency of the whole battery system.

The utility model discloses a switch cabinet with a sliding device, which comprises a cabinet body, heat dissipation holes are arranged on two sides of the cabinet body, a cabinet door is hinged on the front side of the cabinet body, a handle is fixedly mounted on the front side of the cabinet door, four oil inlet holes are fixedly mounted on the back of the cabinet body, two bearing plates are fixedly mounted in an inner cavity of the cabinet body, and the two bearing plates are fixedly mounted on the inner cavity of the cabinet body. According to the switch cabinet with the sliding devices, lubricating oil can enter the pressing sliding grooves through the lubricating balls, lubrication during sliding can be effectively carried out, the friction coefficient is effectively reduced, friction force is reduced, and the switch cabinet with the sliding devices has the advantages of being simple in structure, convenient to use and high in practicability. The sliding operation is easier and more labor-saving, and good lubrication can reduce wear, reduce the damage probability of parts, improve the reliability and stability of the operation of the switch cabinet, reduce the power failure maintenance time caused by part faults, guarantee the continuity of power supply, and improve the overall power supply efficiency and quality.

This invention discloses a self-built-up voltage circuit for an aviation low-voltage DC generator controller, including a buck circuit, a switching circuit, and a comparator circuit. When the DC generator begins self-built-up voltage, the residual magnetism voltage is insufficient to power the controller, the buck circuit has no +5V output, the normally closed contact of relay U4 operates, and the residual magnetism voltage is directly supplied to the excitation winding, causing the motor terminal voltage to begin to rise. When the motor terminal voltage rises to the operating voltage of the buck circuit, it is still less than the window voltage of the comparator circuit, so the comparator circuit outputs a low level, and the buck circuit and the switching circuit begin to operate. The use of an open-collector output comparator and pull-up resistors ensures that the motor terminal voltage rises steadily during the self-built-up process, avoiding controller failure caused by excessive voltage overshoot time, and improving the power supply quality and efficiency of the low-voltage DC power supply system.

The application relates to a hydrogen fuel cell system, which comprises a water bath assembly, a hydrogen storage module and a cell stack module. The water bath assembly contains cooling liquid and the hydrogen storage module is arranged in the water bath assembly and has a solid hydrogen storage unit. The cell stack module comprises a plurality of cell sheets and radiating fins, and the cell sheets are connected with the hydrogen storage module through a hydrogen supply pipeline. The hydrogen storage module supplies hydrogen fuel for the cell sheets. The heat exchange module is arranged between the water bath assembly and the radiating fins, and the cooling liquid circulates among the water bath assembly, the heat exchange module and the radiating fins. The hydrogen storage module cools the high-temperature cooling liquid brought out from the cell stack module. The high-temperature cooling liquid brought out from the cell stack module heats the hydrogen storage module, so that the hydrogen supply pressure and the hydrogen supply flow of the hydrogen storage module are not affected by the excessively low temperature of the hydrogen storage module. The electric energy required for the self-radiation of the cell stack module and the heating of the hydrogen storage module is saved, and the power supply efficiency of the cell stack module to the motor is improved.

The application discloses a high-frequency transformer intelligent voltage regulation control circuit, and relates to the technical field of transformer voltage regulation, which comprises a micro-control module, a control variable output module, direct current power inversion, filtering, voltage transformation and rectification processing and power supply for connected electrical equipment, when expansion voltage supply is needed, the first voltage regulation module is controlled to invert and superimpose power with the variable output module, when voltage fine adjustment is needed, the second voltage regulation module is controlled to self-boost and superimpose power with the variable output module, when voltage reduction is needed, the auxiliary control module is controlled to rectify and store energy, and when the direct current power connected with the variable output module is powered off, the auxiliary control module is controlled to release stored power. The high-frequency transformer intelligent voltage regulation control circuit can realize power distribution, increase output voltage width, improve power supply efficiency, improve voltage gain and realize diverse voltage regulation.

The application provides a self-power supply method of an electrochemical production system and related devices, which are applied to a processing module of the electrochemical production system. The electrochemical production system further includes an energy storage module, a first power supply module, a first power supply ring network, a second power supply module, a second power supply ring network, a first load module and a second load module. The first power supply module obtains a current of a first voltage from the energy storage module and converts the current into a current of a second voltage to input the first power supply ring network, so as to supply power to the first load module through the first power supply ring network. The second voltage is less than the first voltage. The second power supply module obtains a current of the first voltage from the energy storage module and converts the current into a current of a third voltage to input the second power supply ring network, so as to supply power to the second load module through the second power supply ring network. The third voltage is greater than the second voltage and less than the first voltage. The self-power supply of the electrochemical production system can be realized without the power grid, the hardware cost is reduced, and the power supply efficiency is greatly improved.

This invention discloses an intelligent collaborative power generation, grid, load, and energy storage operation and management system, belonging to the field of power generation, grid, load, and energy storage management technology. It involves numbering and collecting information from power stations within a monitoring area, dividing the monitoring time period into time segments, analyzing the power supply volume of power stations within each time segment to predict the relationship between the power supply capacity and demand of each power station, establishing a power dispatch circle centered on the power station, analyzing the overall support capacity of the power dispatch circle for power stations with insufficient power supply capacity, issuing power shortage warnings based on trigger conditions, analyzing the overall status of power stations within the power dispatch circle when the power dispatch circle provides sufficient support, considering the number of power stations with insufficient power supply capacity, and providing suggestions for establishing new power stations, and providing energy storage locations and new power station construction locations when it is determined that the power dispatch circle needs to establish new power stations. This invention efficiently utilizes existing power resources through real-time analysis of supply and demand matching and support dispatch.

The utility model provides an alternating-current power distribution unit, which is assembled in a cabinet body of a cabinet and comprises an outer plug-in frame and an alternating-current power distribution module. The outer plug-in frame comprises a top cover, a bottom shell and a partition plate, the alternating-current power distribution module comprises a safety shell, a fuse, an input connecting part and a copper bar assembly, the fuse is installed in the safety shell through an insulating part, and the safety shell is further provided with an output connector used for being electrically connected with external equipment. The alternating-current power distribution unit provided by the utility model can effectively improve the space utilization rate in the outer plug-in frame, effectively improve the power supply efficiency of the alternating-current power distribution unit, and meet the power supply requirements of high-power-density equipment in a limited space; besides, the power supply efficiency of the AC power distribution module can be further improved while the safety of the AC power distribution module can be effectively guaranteed, and the space utilization rate in the safety shell and the safety of the AC power distribution module can be improved.

The utility model provides a power supply system. The power supply system comprises a cabinet, a power distribution unit, a rectification unit and a battery unit. The power distribution unit comprises an alternating current power distribution unit and a direct current power distribution unit, a copper bar assembly is also arranged in the cabinet, and a grounding unit is also arranged in the cabinet. An alternating current power distribution unit of a power distribution unit outputs alternating current to a rectification unit, the rectification unit converts the alternating current into direct current, the direct current is converged to a direct current power distribution power supply through a copper bar assembly, and the direct current power distribution unit transmits the direct current to IT equipment of an AI data center; moreover, after the alternating-current power distribution unit is powered off, the battery unit outputs direct current to the copper bar assembly, the copper bar assembly transmits the direct current to the direct-current power distribution power supply, and the direct-current power distribution unit transmits the direct current to IT equipment of the AI data center. Therefore, the alternating current input and the direct current input of the power supply system are supplied to IT equipment of the AI data center for power supply.

The application discloses a power system load curve clustering analysis method, determines the target and requirement of power system load curve clustering analysis, carries out data preprocessing, uses a self-organizing feature mapping neural network to construct a feature extraction model, uses an MAML algorithm to carry out multi-task learning, carries out rapid adjustment through meta learning, applies a Gaussian mixture model to cluster the extracted features, uses indexes to evaluate the clustering effect, carries out clustering result analysis, determines whether the predetermined performance standard is met, and further carries out iterative optimization, so that the self-organizing feature mapping neural network, meta learning and the Gaussian mixture model are combined, and greater value is brought to power system operation and energy management.

The invention belongs to the technical field of trap lamps, and particularly relates to a trap lamp convenient to collect insects and a using method, the trap lamp comprises a trap lamp body, a supporting rod, an adjusting rod and a photovoltaic panel, the trap lamp body is installed on one side wall of the adjusting rod, the photovoltaic panel is installed at the top end of the adjusting rod, the adjusting rod is connected to the top end of the supporting rod, and the supporting rod is connected to the top end of the adjusting rod. The supporting rod is vertically installed on the ground, an arc-shaped light reflecting plate is arranged in the trap lamp body and located at the top end in the trap lamp body, the top end of the trap lamp body is connected with a screw, and the screw penetrates through the trap lamp body to be fixedly connected with the arc-shaped light reflecting plate. According to the insect trapping lamp, the arc-shaped light reflecting plate is stably installed in the insect trapping lamp body through cooperation between the arc-shaped light reflecting plate and the screws, then the illuminance is increased and the illumination distance is increased when the insect trapping lamp body works, and therefore the use cost is reduced, and the insect collecting efficiency is improved.

The invention relates to a method for controlling an intelligent door lock and the intelligent door lock. The intelligent door lock comprises a dry battery for providing electric energy and an energy storage circuit. The method comprises the following steps: identifying an unlocking scene category based on the last unlocking process of the intelligent door lock or predicting the unlocking scene category based on the number of external clients of the intelligent door lock; determining a charging stop threshold voltage based on the unlocking scene category; the dry battery is controlled to charge the energy storage circuit to the charging stop threshold voltage, and the unlocking scene types comprise a normal unlocking scene, a clamping stagnation scene, a repeated attempt scene, a fault scene and a dense passing scene.

This utility model provides an energy-saving pressurized water supply device. The device includes a main body comprising a water tank, an air pump for pressurizing the tank, and an air inlet pipe connected to the pump for air intake into the tank. One bottom side of the water tank is connected to an outlet pipe, and the top front end of the tank is connected to an inlet pipe. The side of the outlet pipe is connected to a drain pipe, which has a drain valve. A filter screen for filtering impurities is installed inside the outlet pipe, and a cleaning mechanism is provided corresponding to the filter screen. The energy-saving pressurized water supply device allows the filter screen to be cleaned with a brush without disassembling the pipes by moving the cleaning mechanism up and down.