294 results about "Reserve battery" patented technology

The invention discloses a data center uninterruptible power supply intelligent control method and device based on reinforcement learning, and relates to the technical field of energy management. The method comprises the steps that a health perception state space is constructed, and the state space comprises operation state features and standby battery multi-dimensional health vectors generated through training on a plurality of distributed uninterruptible power supply stations through a federated learning method; defining a multi-target reward function for comprehensively quantifying the economic cost based on the time-of-use electricity price, the standby duration satisfaction degree of the service level agreement and the battery life loss cost; through a reinforcement learning algorithm with a security constraint layer, based on the state space and the reward function, training an intelligent agent to learn an optimal power supply control strategy, the security constraint layer forcibly executing a preset operation security boundary in training and execution; and according to the learned optimal strategy, a real-time control instruction for the uninterruptible power supply is generated and executed.

A hot-swappable battery system for computer peripherals includes a wireless mouse having a battery compartment, a battery connector assembly mounted within the battery compartment, a removable battery configured to be inserted into and ejected from the battery connector assembly, a keep-alive battery mounted within the wireless mouse, and a docking station. The battery connector assembly includes electrical contacts and a push-push ejector mechanism. The keep-alive battery is electrically connected to provide backup power when the removable battery is removed. The docking station has a battery slot configured to receive and charge the removable battery when not in use in the wireless mouse. The system enables continuous operation of the wireless mouse while battery swapping between the mouse and docking station.

The invention provides a charging activation device, an energy storage system and an activation method thereof, and belongs to the technical field of energy storage systems. The charging activation device comprises a standby battery pack, a boost inverter circuit, a voltage acquisition circuit and a microcontroller unit. Wherein the standby battery pack is used for providing a power supply for the boost inverter circuit and the microcontroller unit; the boost inverter circuit is used for boosting the input voltage to an activation voltage threshold of a battery management system of the energy storage system; the voltage acquisition circuit is used for acquiring the output voltage of an energy storage battery of the energy storage system; when the microcontroller unit detects that the energy storage system is in a locked state, the microcontroller unit can control to open the boost inverter circuit so as to boost an input voltage of the boost inverter circuit to an activation voltage threshold of a battery management system of the energy storage system and output the input voltage, so that the battery management system recovers a charging and discharging loop, and the energy storage system is activated. Automatic wakeup of the energy storage battery in the dormant state can be achieved, manual intervention is not needed, and dependence on manpower or external equipment is eliminated.

A flying elevator is characterized by comprising (100) a ducted propeller arrangement. And (200) a flying elevator telescopic car body. And (300) supplying power to the transfer platform truck. And (400) an intelligent control system. And (500) final assembly of the structure. The mechanisms and the systems are combined through final assembly. Therefore, a set of economical and practical elevator type intelligent low-altitude aircraft is formed. The technical problem that a conventional low-altitude aircraft cannot be connected for a long time to continuously work and cannot be increased in capacity due to limitation of self-loading power or electric power is solved. The elevator is widely applied to high-rise buildings, high-altitude construction sites, disaster areas and scenic areas and serves as a temporary elevator or a short-distance aircraft. And the emergency operation and rescue work of personnel transfer and material transportation can be continuously carried out by a single machine for a long time. The flying elevator has the beneficial effects that 1, the flying elevator flies with lines, and electric power is continuously provided by using the mains supply or a vehicle-mounted power generation device, so that the flying elevator can continuously run for a long time; 2, off-line flight: driving the flight elevator to run by utilizing a reserve battery in an area which is not suitable for line-carried flight; and emergency operation and rescue work in different environments are facilitated. And 3, a multi-set mechanical structure design, a power supply device and a control system. And flight safety and operation convenience are guaranteed.

A power supply control circuit that allows the power to be supplied from a power supply such as a sub-battery to a load for a longer period of time, in the event of a failure of a main power supply. The power supply control circuit (1) includes: a first circuit (2) connecting a main battery (52) and a sub-battery (53) via a DC / DC converter (20); a second circuit (3) connecting a main battery (52) and a load (54); and a third circuit (4) connecting the sub-battery (53) and a load (54) via a semiconductor switch (32). When the main battery (52) fails, the semiconductor switch (32) is turned ON to supply the power from the sub-battery (53) to the load (54), and the forward direction of a parasitic diode (32a) of the semiconductor switch (32) is a direction from the load (54) to the sub-battery (53). Furthermore, the DC / DC converter (20) boosts the voltage from the main battery (52) and supplies the boosted voltage to the sub-battery (53).

Techniques and apparatus for swapping a primary power source (e.g., a main battery) while using a secondary power source (e.g., a backup battery or a supercapacitor) to power a portable device. One example integrated circuit (IC) for power management generally includes a first power supply node; a second power supply node; a first port for coupling to a primary power source; a first switch coupled between the first power supply node and the first port; a second port for coupling to a secondary power source; a second switch coupled between the first power supply node and the second port; and a third switch coupled between the first and second power supply nodes. For certain aspects, the IC also includes a third power supply node, a voltage regulator coupled between the first and third power supply nodes, and a fourth switch coupled between the second and third power supply nodes.

The invention belongs to the technical field of circuit control, and particularly relates to an auxiliary power supply connection circuit, and a working method, device and equipment of the auxiliary power supply connection circuit, and the auxiliary power supply connection circuit comprises a first power supply path which is used for supplying power to a target element; and the second power supply path is used for performing standby power supply on the target element. By constructing double independent power supply paths and automatically switching an algorithm system, an auxiliary power supply connection scheme which does not need an additional standby battery and can adapt to multiple scenes is formed, an external power grid is connected to a second power supply path, and power is continuously supplied to a target element when a main bus fails; and in combination with automatic voltage detection and path switching logic of the control unit, the deadlock dilemma is thoroughly eliminated, meanwhile, the hardware investment and the operation and maintenance cost are reduced, and the reliability and adaptability of the system are improved.

The invention relates to the technical field of energy storage batteries, and discloses a sodium ion battery modular energy storage system, which comprises a plurality of battery unit frames, the battery unit frames are vertically arranged to form a stack, trapezoidal frames are fixedly mounted on the two sides of each battery unit frame, one end of each rotating shaft is rotationally connected with the inner wall of the corresponding trapezoidal frame or the inner wall of the corresponding battery unit frame, and the other end of each rotating shaft is rotationally connected with the corresponding trapezoidal frame. An output battery is placed above each set of rotating shafts, the multiple output batteries are all located in a battery unit frame, a standby battery is placed at the top of the battery unit frame, a replacement assembly is arranged on one side of the standby battery, a conveying assembly is arranged on one side of each output battery, and when the standby battery is located on one side of an overheat battery, the overheat battery is conveyed to the output battery. And in the process that the standby battery enters the battery unit frame, the overheated battery can be automatically separated from the module team, so that the overall safety and reliability of the system are improved, and the overheated battery can be conveniently collected and managed through the replacement assembly subsequently.

The utility model discloses an automatic connecting device for an electrical engineering line, which relates to the technical field of electrical engineering line connection and comprises a small electrical engineering device and an inverter, a bottom plate is mounted at the bottoms of the small electrical engineering device and the inverter, a connector is mounted at the input end of a first lead, and a second lead is mounted at the output end of the first lead. A standby battery is installed on the small electrical equipment of the electrical engineering, a second wire is installed at the output end of the standby battery, an interface is installed at the output end of a third wire, a connector is matched with the interface, a supporting rod is installed on the inverter and the interface, and an electromagnetic driving mechanism is arranged on the bottom plate and the connector. According to the utility model, the electromagnet is electrified to generate magnetic force, the iron rod moves backwards in the sleeve and jacks up the electromagnetic driving mechanism, the electromagnet is not electrified to lose magnetic force, and the connector moves forwards and is inserted into the interface, so that the connection of the electricity-taking wiring harness can be automatically completed during power failure, and the normal use of small-sized electrical equipment in electrical engineering can be ensured during power failure.

The invention relates to the technical field of standby batteries, in particular to a standby power supply device of a high-voltage control box and a method thereof.The standby power supply device comprises a high-voltage box, an electromagnetic telescopic mechanism and a second charging wire, a battery frame is installed at the top of the high-voltage box, and a standby battery is fixedly installed on the inner wall of the battery frame; the outer wall of the battery frame is in line connection with a first charging line, a third outgoing line and a power supply line. Through cooperation of a connecting plate, a first magnet, a crescent telescopic rod, a spring, a second coil piece and a second magnet, the first magnet and the second magnet are driven by voltage to move away from each other or move towards each other, and a first T-shaped rod and a second T-shaped rod can be driven to move or be separated from the positions between a first charging line and a first power outlet line and between a second charging line and a power supply line through movement; the standby battery can be charged at any time according to the electric quantity of the standby battery, the standby battery enters a discharging state under the condition that the high-voltage box is not powered off, and the practicability of the device is improved.

The application relates to an emergency brake release power supply circuit and equipment. The circuit comprises a control module, a switching component, a first power supply circuit and a second power supply circuit; the control module turns on the connection between the first power supply circuit, the second power supply circuit and the corresponding interface equipment through the switching component, so that, in the case of normal power supply, the control module controls the first power supply circuit to supply power to the equipment standby battery, and in the case of monitoring the corresponding signal, the control module controls the first power supply circuit to provide power supply for the equipment control system, and controls the second power supply circuit to supply power to the brake holding coil; in the case of abnormal power supply, if the corresponding signal is monitored, the equipment standby battery provides power supply for the equipment control system through a DC-DC converter, and the control module controls the first power supply circuit to supply power to the brake holding coil through the switching component. Thus, the application simplifies the circuit, realizes the cost reduction through the reuse and normalization of the circuit.

The invention relates to the technical field of Internet of Vehicles and battery management, in particular to a charging management and health detection method for a TBOX built-in standby battery, which comprises a charging management module, an MCU (Microprogrammed Control Unit), a charging switch, a discharging switch, an ADC (Analog to Digital Converter) voltage acquisition module, a standby battery, a main and standby power automatic switching module and a rear-end load system, all the modules are electrically connected to form a cooperative work system, the charging management module performs sectional charging on a standby battery based on a battery voltage state, and the MCU control unit controls on-off of the charging switch and the discharging switch and combines sampling data of the ADC voltage acquisition module. A sectional charging mode is adopted, the charging current is dynamically adjusted according to the battery voltage, the charging efficiency is improved, the occurrence of battery swelling, aging and other faults is reduced, and the service life of the battery is prolonged; a battery health detection scheme is optimized, only one ADC voltage sampling port of the MCU is needed, an extra large-current discharge auxiliary circuit is not needed, and MCU resources and hardware cost are saved.

The present disclosure relates to low power detection and power loss management for devices with limited available power, such as a thermostat, an equipment interface module, a control board, other device having a battery backup for operating in non-constant power conditions, etc. In an exemplary method of power management in a device including a display, the method comprises automatically turning off power to the display in response to detection of a power loss and / or inadequate power condition for the device. The device may comprise a thermostat, an equipment interface module (EIM), a control board, other device having a battery backup for operating in non-constant power conditions, etc.

The invention relates to the technical field of aircraft control, and discloses a control method of a rotary actuator integrated with a gear vernier encoder and related equipment, and the method comprises the steps: firstly obtaining a control instruction of a flight control system to a rudder arm, and synchronously collecting the single-circle angle values of a driving gear and a driven gear fed back by the gear vernier encoder and the real-time current of a motor; then, the actual absolute position of the rudder arm, the number of rotation turns of the motor and the actual rotation speed are calculated based on the angle value; then, a position tracking error is generated by comparing the control instruction with the actual position of the rudder arm, and the expected current is calculated according to the position tracking error and the actual rotating speed of the motor; and finally, combining the position of the motor rotor, the expected current and the real-time current to generate a motor driving signal. According to the invention, absolute position memory and full-closed-loop high-precision servo control of the aircraft control surface actuator under the condition of no standby battery are realized, and the system has the advantages of compact structure, high reliability, good dynamic response and low cost.

The invention discloses a shunting monitoring system for a railway, and belongs to the technical field of railway safety monitoring, the shunting monitoring system comprises a vehicle-mounted device and a ground device, the vehicle-mounted device comprises a dispatching and monitoring host and a locomotive sensor, the ground device comprises a ground sensor, the locomotive sensor is in communication connection with the ground sensor, and the locomotive sensor is in communication connection with the ground sensor. The dispatching and monitoring host comprises a monitoring host; and the case is provided with a plurality of function reservation positions. Compared with the prior art, the shunting monitoring system for the railway has the advantages that full-link redundancy from data processing, communication to power supply is constructed through hot standby redundancy of the information processing unit, double-set parallel work of the machine sensing communication unit, a double-path power supply and a standby battery, the fault-tolerant capability of the system is greatly improved, and the uninterrupted operation time of the system is greatly prolonged. Key vehicle-ground communication data are encrypted by adopting an industrial-grade AES encryption algorithm, so that the data are effectively prevented from being maliciously stolen or tampered in a transmission process, and the safety of a shunting instruction is guaranteed.

The invention relates to a concurrent power-on logic sequencing networking method for an emergency lighting wireless system, and the method comprises the steps: enabling all emergency lighting nodes to be started concurrently and reading preset floor numbers and network roles under the triggering conditions that a main power supply fault is monitored and a standby battery is switched to supply power; calculating logic delay time according to the floor number and the network role, wherein the time is silent waiting time before the node executes a networking action; and the node keeps a silent receiving state in the logic delay time period, and executes a network networking action corresponding to the role after the delay is ended. According to the method, physical concurrent power-on is converted into ordered access on the time axis, so that channel congestion and signal collision are effectively avoided, and rapidity and reliability of network construction in an emergency scene are guaranteed.

This application discloses a robot power supply system, method, apparatus, device, and storage medium, belonging to the field of robot technology, and capable of solving the problem of how to provide continuous and stable power to a robot. The system includes: an energy supply unit for providing power to the robot through a main battery unit, a backup battery unit, and a solar-assisted unit; a power management unit electrically connected to the main battery unit, the backup battery unit, and the solar-assisted unit, respectively, for switching the power source among the main battery unit, the backup battery unit, and the solar-assisted unit according to control signals; and a main control unit connected to the power management unit, configured to acquire light intensity parameters from an environmental sensor unit and battery charge parameters from the main battery unit and the backup battery unit, and output the control signals to the power management unit according to a preset power scheduling strategy.

The utility model discloses a rechargeable oxygenating instrument lithium battery which comprises a handheld oxygenating instrument and an annular battery bin fixed at the edge position of the bottom end of the handheld oxygenating instrument, a disc-shaped battery pack is installed in the annular battery bin in a sliding mode, and metal contact pieces are arranged on the upper surface of the disc-shaped battery pack and the lower surface of the handheld oxygenating instrument. The handheld oxygenating instrument and the disc-shaped battery pack are electrically connected through contact of the metal contact pieces, an opening part for the disc-shaped battery pack to slide in is formed in the outer wall of one side of the annular battery bin, and a C opening seat is fixed to the outer wall of the handheld oxygenating instrument. Through the detachable design of the disc-shaped battery pack, a user can replace the battery at any time without waiting for equipment charging, which means that when skin care operation needs to be carried out, even if the electric quantity of an original battery is exhausted, the user can also rapidly replace the original battery with a fully charged standby battery, and the trouble of use interruption caused by insufficient electric quantity is avoided.

Secondary battery, characterized in that it comprises a copper foil, wherein the copper foil comprises copper crystal grains of different particle sizes, wherein the copper crystal grains comprise copper crystal grains with a particle size of less than or equal to 0.5 µm and copper crystal grains with a particle size greater than 0.5 µm, wherein the proportion of the number of copper crystal grains with a particle size of less than or equal to 0.5 µm to the total number of copper crystal grains is 70% to 95%, and the proportion of the number of copper crystal grains with a particle size greater than 0.5 µm to the total number of copper crystal grains is 5% to 30%.

The invention relates to the technical field of wearable equipment, in particular to an earphone charging box charging and discharging management method and an earphone charging box, and the method comprises the steps: obtaining the state information of a first battery, a second battery and a standby battery; through a preset habit prediction model, according to the historical behavior data and the real-time context data of the user, determining a predicted energy demand of the user for the first battery in the target time period; based on the state information and the predicted energy demand, obtaining a dynamic energy gap between the current total available energy of the first battery, the second battery and the standby battery and the predicted energy demand; and generating and executing a charging and discharging management strategy according to the dynamic energy gap. The invention mainly aims to provide a charging and discharging management method for an earphone charging box, and aims to relieve the problems of endurance anxiety and sudden power failure risk.

The application discloses an outdoor shared power pile intelligent control management system and relates to the field of remote monitoring and management of power piles. The system comprises a shared power battery composed of a main energy storage battery and a backup battery group. The power supply priority of the backup battery is adjusted based on the power grid power consumption period grading, corresponding electricity price and power pile usage state switching. The residual power of a charging vehicle and the expected stay time of a user are obtained through a vehicle communication interface. A comprehensive urgency index is calculated based on the above information. A power pile power supply scheduling scheme containing a time-of-use billing strategy is generated in combination with the power supply state. The safety abnormality is judged according to the power pile power supply scheduling scheme and the monitored line temperature and leakage current. Remote enabling judgment logic is set for the power pile that is disabled due to safety abnormality, thereby solving the problems of low resource utilization, high operating cost, inflexible scheduling and lagging safety monitoring in the prior art.

The invention discloses a self-adaptive intelligent bird repelling device based on voiceprint recognition and precise positioning, and relates to the technical field of bird repelling, the self-adaptive intelligent bird repelling device comprises a protective cover, the protective cover is used for supporting the whole device, and the self-adaptive intelligent bird repelling device is provided with a solar power supply mechanism, an auxiliary bird repelling mechanism, an electric cabinet and a connecting bandage; an edge calculation unit is arranged in a main control board, self-sufficiency of outdoor operation power resources is achieved to a certain extent, the overall use and installation cost is saved, a first electric telescopic rod can adjust the height of a solar panel to optimize lighting, and a standby battery ensures that the system continuously operates when a main power source is abnormal; and the second limiting plug pins are used for limiting the adjusted supporting bottom rods, the first limiting plug pins are used for limiting the adjusted limiting frames, the situation that the equipment automatically moves is avoided, and the whole equipment is driven by the four moving wheels to conveniently move to the needed operation site.

The invention discloses an intelligent maintenance-free energy storage PACK control circuit and method, the intelligent maintenance-free energy storage PACK control circuit comprises a controller and a plurality of main battery PACKs, and at least one standby battery is arranged corresponding to each main battery PACK; the main battery and the normally-closed switches at the two ends of the main battery form a first unit; the two ends of the standby battery are electrically connected with normally-open switches in series respectively. The standby battery and the normally-open switches at the two ends of the standby battery form a second unit. The first unit and the second unit are arranged in parallel; the controller is electrically connected with the main battery through a voltage sampling circuit and controls on-off switching of the normally-closed switch and the normally-open switch so that the standby battery can replace the main battery with the abnormal voltage in the main battery PACK. The standby battery and the main battery have the same specification. The system is maintenance-free, and the operation and maintenance cost is reduced; battery damage and damage caused by active equalization and passive equalization are reduced, misoperation is prevented, and operation is safe and reliable.

The utility model discloses a portable ultrasonic knife which is characterized in that a battery is detachably connected with a main machine through a plugging mechanism, a standby battery can be conveniently replaced at any time, the battery without electricity can be charged at any time to be replaced, and almost infinite endurance can be achieved theoretically. The heat exchanger is rotated to different gears to be matched with unlocking, charging and working, so that mistaken unlocking by children is avoided, a child lock mechanism is formed, heat generated by the heat exchanger is dissipated in a heat exchange mode by arranging a heat dissipation mechanism, an air channel and a heat dissipation fan, the working time of the machine can be prolonged, and the machine is provided with two switching mechanisms of a click switch and a push switch. The switch meets the requirements of different consumers for switch preferences, has a simple, compact, small and durable overall structure, and is suitable for popularization.

An electrical propulsion system for an aerial vehicle, including a plurality of electric motors, a plurality of power supply batteries for supplying power to the electric motors, and an electrical power distribution network connecting the power supply batteries to the electric motors. The electrical propulsion system can further include a backup battery configured to be connected to the electric motors by the electrical power distribution network. The electrical propulsion system can be configured to supply power to the electric motors according to at least two different power supply modes: a normal power supply mode, in which the backup battery does not supply power to any of the electric motors, and a backup power supply mode, in which the backup battery supplies power to at least one electric motor.

The utility model provides a temperature sensing fire extinguishing starting structure which comprises a fire extinguisher tank, a container valve is installed at the top end of the fire extinguisher tank in a threaded connection mode, a fixing box is installed at a discharge outlet of the container valve in a threaded connection mode, a plugging mechanism is arranged in the fixing box, and the plugging mechanism comprises a first fixing block and a second fixing block. An electromagnet can be controlled through a standby battery, an external power supply and a control single chip microcomputer, so that a T-shaped frame and a plug are driven to move through the mutual exclusion effect of the electromagnet and a magnet, a fire extinguisher tank is conveniently sealed through the plug and a rubber ring, and a high-temperature place is detected through a fire detection tube and a temperature sensor at the same time; the detection accuracy of the structure can be improved, the situation of mistaken opening is avoided, and the practicability is high; the electromagnet is powered off, the plug is moved out of the first through hole under the elastic force of the spring, the fire extinguisher can be conveniently sprayed out through the fire trace tube and the spraying opening at the same time, and therefore the fire extinguishing efficiency is improved.

Secondary battery, characterized in that it comprises an electrolyte solution and a positive electrode sheet, wherein the positive electrode sheet comprises a positive electrode active material, wherein the positive electrode active material comprises a core of lithium iron phosphate-based material and a carbon shell layer with which at least partially the outer surface of the core is coated, wherein in the Raman spectrum of the positive electrode active material the peak intensity at the wavenumber of 1360 ± 50 cm⁻¹ -1 as I d and the peak intensity at a wavenumber of 1580 ± 50 cm -1 as I g is, where the I d / I g The positive electrode active material has a value of 0.2 to 1.5, wherein the electrolyte solution comprises cyclic ester compounds that do not exceed 25% of the total mass of the solvent in the electrolyte solution.

The application relates to the technical field of hydrogen production system operation, in particular to a seawater hydrogen production system stable operation method under variable load conditions, which comprises the following steps: taking voltage minimization and maximum decay rate as double targets, generating a primary standby power supply group and a secondary state monitoring group through a Pareto stratification; monitoring whether the terminal voltage of the current primary standby power supply group reaches the saturation upper limit or whether the terminal voltage of the secondary state monitoring group falls below the critical early warning upper limit, serving as a one-way trigger event to execute a polling handover of the power supply state for electrical scheduling; in the electrical scheduling process, the remaining capacity of the standby battery and the residual gas pressure of the gas-liquid separator are synchronously monitored, and a system hibernation protection mechanism is triggered to terminate the electrical scheduling. The application solves the problems of switch high-frequency burning and emptying backflow caused by inaccurate prediction under variable load shutdown, and improves the stability of seawater hydrogen production system operation.

The application discloses a vehicle safety control method and device and a vehicle, and relates to the technical field of automobiles. A specific embodiment of the method comprises the following steps: determining whether a power battery of a vehicle is in a thermal runaway state according to a battery parameter of the power battery and a vehicle image collected by a vehicle-mounted camera; in the case where it is determined that the power battery is in a thermal runaway state, controlling a radar arranged on a power battery guard to scan a region near the power battery; in the case where no obstacle is detected in the region near the power battery, disconnecting a power supply circuit of the power battery and switching to a power supply circuit of a backup battery; cutting off a connection harness of the power battery and the vehicle, and ejecting the power battery to the ground, so that the power battery is separated from the vehicle body; and acquiring road condition information through the vehicle-mounted camera and the vehicle-mounted radar, and controlling the vehicle to drive to an emergency parking point. The embodiment can actively prevent and realize vehicle safety, and effectively reduce vehicle loss.