289 results about "Backup battery" patented technology

The invention relates to the technical field of unmanned aerial vehicles, in particular to an intelligent flight path planning and energy management system and method for a long-endurance fixed-wing unmanned aerial vehicle. Comprising an environment sensing unit; the flight path planning unit is used for planning a flight path meeting task requirements, safety requirements and energy constraints based on the flight environment information of the unmanned aerial vehicle acquired by the environment sensing unit and pre-stored performance parameters of the unmanned aerial vehicle; and the energy management unit realizes energy dynamic management and optimization according to the real-time energy state of the unmanned aerial vehicle, the flight task and the planning result of the flight path planning unit. The flight path planning unit can call working condition energy consumption data such as navigational speed and height output by the energy management unit in real time, and dynamically adjust the weight of the path to avoid high-energy-consumption flight segments; the energy management unit synchronously and intelligently adjusts a main / standby battery charging and discharging strategy to optimize energy distribution according to a task time sequence (such as waypoint priority and track curvature) of a track.

The invention discloses a method for completing an autonomous deep-sea exploration task by a deep-sea cross-domain unmanned aerial vehicle. The method comprises the following steps: determining a target area; taking off to a specified height from the sea level, receiving a task execution command and then flying to a target area; when the relative distance between the current position and the coordinates of the target area reaches a preset value, descending; when it is detected that the device is contacted with seawater, the device dives through gravity; when it is detected that the set depth is reached, the propeller is restarted, and the detection task is executed; after the detection task is completed, the standby battery is rejected and ascends; after leaving the water surface, rising to a specified height and switching to a homeward flight mode; and when the deep-sea cross-domain unmanned aerial vehicle is within the sight distance range, a manual landing task is executed. The invention further discloses the deep-sea cross-domain unmanned aerial vehicle. According to the unmanned aerial vehicle and the method, autonomous switching operation between an air medium and an underwater medium can be realized, and the unmanned aerial vehicle has the capability of autonomously completing detection and water body sampling in an extreme deep sea environment.

The invention discloses a power supply method of a storage server, electronic equipment, a storage medium and a program product, and relates to the technical field of power supply, and the power supply method comprises the following steps: using a power supply unit whose rated output power is less than a power consumption limit value of the storage server to supply power to the storage server; if the current power consumption value of the storage server is greater than the rated output power of the second power supply unit and the electric quantity of the backup battery unit is greater than the primary standby power threshold value, the second power supply unit and the backup battery unit are used for supplying power to the storage server; the technical problem of resource waste caused by the fact that the PSU and the BBU with the rated output power larger than 2000 W are used only when the double AC input circuits connected with the double PSUs are powered off or the double PSUs are abnormal in the prior art is solved, and the technical effect of avoiding resource waste is achieved.

The invention provides a software and hardware cooperation power supply protection circuit of a power distribution automation terminal, which comprises a power supply input protection circuit, a voltage conversion circuit, a power failure detection circuit, a voltage maintenance protection circuit and a clock backup battery protection circuit, and is characterized in that the power failure detection circuit adopts a photoelectric isolation technology to monitor a power supply input state in real time; when it is detected that the power supply is disconnected or powered down, a specific level signal is output, and power down event detection is triggered; on the software level, the function of a power failure detection pin is defined in an equipment tree, the power failure detection pin is configured to be an interrupt trigger pin, the power failure detection pin is initialized, interrupt is requested, an interrupt trigger condition is set to be level change, and a power failure detection event is triggered when the interrupt trigger condition occurs. According to the method, system damage caused by accidental power failure is eliminated in a software and hardware combination mode, the reliability of the terminal is remarkably improved, the service life of the terminal is remarkably prolonged, the software has enough time to complete file operation through power failure protection, and therefore the purpose of protecting the file system is achieved.

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 method, system and apparatus are disclosed. A management node configured to communicate with a power grid operator and with a plurality of RBSs is provided. Each of the plurality of RBSs is configured to be switchable between power from a power grid and power from a respective plurality of backup battery units associated with the RBS. The management node is configured to: determine a primary subset of the plurality of RBSs to participate in at least one FCR event occurring over a predefined time interval, and determine a standby subset of the plurality of RBSs that are each configured to participate in the at least one FCR event in place of a failure of a respective one of the primary subset of the plurality of RBSs.

The utility model discloses an automatic energy conversion device in a double-electricity combination form, which is applied to conversion among energy components required by self-starting of an emergency generator on a ship. Starting energy sources suitable for the device are two sets of independent storage battery packs, namely a so-called double-power combination. A conversion assembly of the conversion device mainly comprises two sets of contactors which are interlocked: when a coil of a first contactor is electrified, a coil of a second contactor is de-electrified; and vice versa. The first storage battery pack is connected with the emergency generator through a normally open main contact of the first contactor, and the second storage battery pack is connected with the emergency generator through a normally open main contact of the second contactor. Through the device, the main starting energy source can be manually set, and when the main storage battery pack cannot normally start the emergency generator, the standby storage battery pack is automatically switched and started, so that the completion of self-starting of the emergency generator is ensured. And the main storage battery pack is regularly and alternately arranged, so that the service life of the double-power starting energy can be relatively prolonged.

The invention discloses a cover opening detection circuit, which comprises a clock power supply circuit, a backup battery circuit, a travel switch circuit and a master control MCU (Microprogrammed Control Unit), the main control MCU is electrically connected with the clock power supply circuit, the backup battery circuit and the travel switch circuit, the clock power supply circuit is electrically connected with the backup battery circuit and the travel switch circuit, and the backup battery circuit is electrically connected with the travel switch circuit. According to the invention, the technical problem that the MCU can be immediately awakened and recorded when a cover opening event or a cover closing event occurs under the conditions that the metering instrument is in a power-off state and the replaceable backup battery is under-voltage or is taken off is solved.

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 discloses a communication base station standby battery SOH calculation method based on a PINN model. The method comprises the steps that the surface pressure or pressure intensity value of a battery is collected through a flexible film pressure sensor arranged between battery cells in a standby battery pack; and obtaining an SOH estimation result of the standby battery by using a pre-trained PINN-based SOH prediction model of the standby battery according to the pressure or pressure change value of the standby battery after standing for a preset time from the floating charging end moment to the relaxation stage. According to the method, the problems that a traditional SOH calculation method cannot be applied and errors are too large in the current base station floating charging environment are fully solved, and the precision reaches the level of more than 7 times of the precision of an existing calculation method in the market (the errors are improved to 0.7% from 5%).

The utility model discloses a sodium ion starting battery which is characterized in that the sodium ion starting battery comprises a module shell which is hollow, the module shell is fixedly connected with symmetrical hollow square frames, and the symmetrical hollow square frames are fixedly connected with U-shaped clamping plates respectively; the main battery module and the standby battery module are respectively arranged in the module shell; the BMS control panel is fixedly connected with the symmetrical U-shaped clamping plates, and the standby battery module is electrically connected with the BMS control panel; and the wire mainboard is fixedly connected with the main battery module, and the main battery module is electrically connected with the wire mainboard. The utility model relates to the technical field of start-stop batteries, in particular to a sodium ion start battery. The technical problem to be solved by the utility model is to provide the sodium ion starting battery which is favorable for realizing power supply by the main battery module under the normal condition, and when the main battery module is used up, a switch is pressed down, and the standby battery module is started to supply power.

The present invention discloses an integrated power inspection exoskeleton lightweight modular structure, which relates to the technical field of intelligent power equipment, including a shell mechanism, and an assembly mechanism is fixedly connected to the front end surface of the shell mechanism. The main body of the assembly mechanism is a ring structure, which solves the problem that the existing exoskeleton has a large dead weight and thus increases the extra burden on the user. When in use, the driving machinery needs to rely on an external power module for driving. Under this driving mode, it is impossible to replace the backup power supply and the drive unit, and it is impossible to adapt to the problem of rapid switching under different torque requirements. Through the arc-shaped cooperation between the limiting mechanism and the limiting component, and the hexagonal locking structure of the limiting plug and the limiting slot, the servo motor and the energy storage component can be quickly replaced, and different torque motors or backup batteries can be switched without tools, thereby solving the problem that the existing exoskeleton relies on a single power supply and cannot adapt to complex working conditions, thereby improving operation continuity.

The utility model discloses a novel wireless room temperature collector, which comprises a wireless room temperature collector body, and the wireless room temperature collector body comprises a temperature sensor, a microprocessor, a wireless communication module, an alarm, a power supply, a power supply management module and a standby battery. The wireless room temperature collector can monitor the electric quantity use condition of the power supply in the normal use process of the wireless room temperature collector body, can timely cut off the power supply and switch the standby battery to supply power when the electric quantity of the power supply is insufficient, can effectively reduce the condition that the normal continuous work of the wireless room temperature collector body is influenced by the insufficient electric quantity, and improves the safety of the wireless room temperature collector body. By cutting off the power supply in time, the situation that the service life of the wireless room temperature collector is affected due to long-time overdischarge of the power supply can be effectively avoided, the use stability of the power supply and the wireless room temperature collector body is improved, in addition, the power supply and the standby battery can be charged through solar energy after use, overcharge protection is carried out in the charging process, and the service life of the wireless room temperature collector is prolonged. And the use safety is improved.

The invention relates to the technical field of territorial planning, and provides an unmanned aerial vehicle aerial photographing device for territorial planning surveying and mapping, comprising: a chassis in which a standby battery, a vibration sensor and an integrated control box are arranged; the driving mechanism drives the blades to rotate through an output shaft of a driving motor so as to realize flying movement of the case; the electromagnetic buffering assembly comprises an electromagnetic iron ring, a moving rod and a spring which are arranged in the supporting pipe, the moving rod is attracted when the electromagnetic iron ring is powered on, and the moving rod is pushed by the spring to stretch out to buffer landing impact when the electromagnetic iron ring is powered off; and the head-mounted control equipment comprises remote control equipment for sensing head actions and film watching glasses. Through multi-dimensional innovation of electromagnetic buffering, head-mounted control, data encryption and an intelligent algorithm, the defects of a traditional unmanned aerial vehicle in the aspects of impact resistance, control precision and data safety are overcome. The embodiment verifies and shows that the comprehensive performance is obviously superior to that of the prior art, and the engineering application value is high.

The invention discloses a method for determining activation time of a liquid storage type reserve battery, which comprises the following steps: S10, acquiring parameters of a standard-size battery: selecting the standard-size battery as a pilot sample and an independent verification sample, and acquiring an electrolyte infiltration quality-time curve and actual activation time; s20, prediction parameter acquisition: calculating an initial time scaling factor and an initial infiltration quality critical threshold value of the pilot sample according to the electrolyte infiltration quality-time curve and the actual activation time of the pilot sample, and performing error verification by using independent verification sample parameters to obtain a prediction time scaling factor and a prediction infiltration quality critical threshold value; and S30, target battery activation time prediction: according to a target battery electrolyte infiltration quality-time curve, obtaining the time required for the target battery infiltration quality to reach the prediction critical threshold, and calculating the activation time of the target battery in combination with the prediction time scaling factor. The activation time determination method is high in efficiency and good in precision.

The invention provides a redundant power supply switching circuit structure and method of a vehicle-mounted TBOX, and the structure comprises a main power supply input interface circuit, a main power supply step-down conversion circuit, a dynamic voltage monitoring and switching circuit, a standby battery input circuit, a battery boost circuit, and a vehicle-mounted TBOX system. The output end of the main power supply input interface circuit is electrically connected with the input end of the main power supply step-down conversion circuit and the input end of the dynamic voltage monitoring and switching circuit, and the output end of the main power supply step-down conversion circuit is electrically connected with the vehicle-mounted TBOX system. The output end of the dynamic voltage monitoring and switching circuit is electrically connected with the input end of the battery input circuit, the output end of the battery input circuit is electrically connected with the input end of the battery booster circuit, and the input end of the battery booster circuit is electrically connected with the vehicle-mounted TBOX system. According to the vehicle-mounted TBOX power supply, contactless switching, a semiconductor switch, multi-stage protection and a redundant framework are triggered through dynamic voltage monitoring, and the problems of low efficiency, high delay, electric leakage, reverse charging and the like in traditional vehicle-mounted TBOX power supply switching are solved.

A system for using a space integration sequencer system that coordinates timing of aircraft operations including arrivals, departures, and enroute flights with current and future aircraft operations. The system includes an overall system input, an overall system logic, and an overall system output. The overall system input includes a plurality of vehicle telemetry and a plurality of regulatory data. The overall system logic includes a pathway identifier, a first pathway intersection, an algorithm, and a second pathway intersection. The overall system output includes a pathway generator and a pathway reroute. The overall system includes a camera-based sensor system includes a Pan-Tilt-Zoom camera, an edge computer, a backup battery, and an optional solar power source and a Light Detection and Ranging system that includes a plurality of lasers, a scanner, a Global Positioning System, and an Inertial Measurement Unit.

The present invention provides a fuel cell single-chip consistency evaluation device and method. The device includes a fuel cell system, a bidirectional DC / DC converter, a vehicle power battery, a shutdown backup battery and a controller. The controller is used to supply power to the fuel cell system through the shutdown backup battery when the fuel cell system is in a shutdown state, and to control the bidirectional DC / DC converter to apply a preset AC disturbance signal to the fuel cell system to determine the AC impedance value of each single chip in the fuel cell system, and to determine the result of the fuel cell single-chip consistency evaluation based on each AC impedance value, thereby realizing accurate fuel cell single-chip consistency evaluation after the fuel cell system is shut down, and thereby more reliably monitoring the fuel cell system.

A power supply device includes a main battery, a backup battery, a first charge circuit, a second charge circuit, a first transistor, a second transistor, a switch element, and a control circuit. The first transistor has a control terminal for receiving a first control voltage, a first terminal coupled to the main battery, and a second terminal coupled to a first supply node. The second transistor has a control terminal for receiving a second control voltage, a first terminal coupled to the backup battery, and a second terminal coupled to a midway node. The switch element selectively couples the midway node to a second supply node according to a third control voltage. The control circuit monitors a first supply voltage at the first supply node, and generates the third control voltage according to the first supply voltage.

The invention provides an intelligent central control device, which is suitable for being used as a vehicle-mounted terminal of an electric two-wheeled vehicle, and comprises a shell with a sealed mounting cavity and a PCBA (Printed Circuit Board Assembly) accommodated in the mounting cavity, and adopts a static sealing design that a tongue-and-groove is matched with a sealing rubber ring / sealant in an inserting manner. A main control MCU, a cellular wireless communication module, a short-distance wireless communication module, a satellite positioning module, an inertial measurement unit and a standby battery are integrated on the PCBA, the main control MCU is used as a core scheduling unit to cooperatively process multi-source data from the satellite positioning module, the inertial measurement unit and the like, and a necessary local computing power basis is provided for operating a lightweight AI algorithm. By integrating the cellular wireless communication module and the Bluetooth module, a stable and high-speed dual-channel data link is constructed, real-time interaction between vehicle data and a cloud platform is guaranteed, reliable communication guarantee is provided for OTA firmware upgrading, and the function expandability and big data operation capacity of the terminal are greatly improved.

The utility model discloses a multi-power input autonomous switching circuit, which comprises an external power supply, a main battery and a standby battery, the external power supply is respectively connected to the positive electrode of a Schottky diode, the grid electrode of a first PMOS tube and the grid electrode of a second PMOS tube, the drain electrode of the first PMOS tube is connected with the drain electrode of the second PMOS tube, and the source electrode of the second PMOS tube and the negative electrode of the Schottky diode are both connected with a power output port; a main battery is connected to a source electrode of a first PMOS tube and a grid electrode of a first NMOS tube, and a drain electrode of the first NMOS tube is connected with a grid electrode of a second NMOS tube, grounded through a fourth resistor and connected to a power output port through a fifth resistor. The drain electrode of the second NMOS tube is respectively connected with the grid electrode of the third PMOS tube, the grid electrode of the fourth PMOS tube and the power supply output port through a sixth resistor; the standby battery is connected to the source electrode of the third PMOS tube, the drain electrode of the third PMOS tube is connected with the drain electrode of the fourth PMOS tube, and the source electrode of the fourth PMOS tube is connected with the power output port. According to the utility model, the external power supply can be rapidly switched to the main battery or the standby battery for power supply, and a rear-end functional circuit can be ensured to continuously, stably and normally work.

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 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 utility model provides a competitive power supply circuit for a POS machine test server, which comprises a 24V direct power supply, a standby power supply, a competitive power supply switching circuit and a direct power supply state monitoring circuit, and is characterized in that the output end of the 24V direct power supply is connected with the input end of the competitive power supply switching circuit and the input end of the direct power supply state monitoring circuit; the output end of the direct power supply state monitoring circuit is connected with the input end of the competitive power supply switching circuit, the output end of the competitive power supply switching circuit is in power supply connection with the POS machine test server, and the input end of the competitive power supply switching circuit is further connected with the output end of the standby power supply. The beneficial effects of the utility model are that a 24V direct power supply and a standby battery can compete to supply power to the POS machine test server, the circuit is simple, the cost is low, and the circuit is suitable for being directly integrated on the circuit board of the POS machine test server.

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 invention provides a standby battery switching method, equipment and device based on multiple sensors and a medium, and relates to the technical field of battery management. According to the method, when the first Hall sensor cannot detect the magnet, the terminal equipment is switched to the first operation mode, so that the power consumption of the terminal equipment is preliminarily reduced; in the first operation mode, if the second Hall sensor cannot detect the magnet, the terminal equipment is switched to a second operation mode with lower power consumption, so that the power consumption of the equipment is further reduced, and the standby battery is prevented from suddenly bearing high power consumption pressure; and in the second operation mode, if the third Hall sensor cannot detect the magnet, the power supply is switched to the standby battery. Through the strategy of comprehensively judging the states of a plurality of sensors and gradually reducing the power consumption, the error switching probability caused by false triggering of a single sensor is reduced, so that the triggering accuracy of the switching operation of the standby battery is improved, and the stability and reliability of the terminal equipment are enhanced.

The present invention provides a power limit protection device for a tethered unmanned aerial vehicle (UAV) system, comprising a DC power supply device, an airborne power conversion device, a motor, and a backup battery. The airborne power conversion device, the motor, and the backup battery are all arranged on the UAV. The airborne power conversion device is used to charge the backup battery and provide power for the motor for endurance. The motor is a high-voltage or low-voltage direct-driven brushless motor, and the brushless motor provides power for the tethered UAV. The DC power supply device is arranged on the ground and connected to the airborne power conversion device via a tethering cable. In the event of transient overpower of the tethered UAV system, the backup battery quickly switches its working mode to supplement power. The UAV system not only has an emergency landing capability, but also provides supplementary power when the instantaneous motor power exceeds the limit value, thereby greatly reducing the probability of the UAV crashing.

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.

Intelligent heating management box (Heat Box) The invention relates to a device for controlling and efficiently managing heating in accommodation dedicated to short-term rental, hotel rooms, guest rooms. It consists of three electronic cards, one for managing intelligence, internet connection, connection to the cloud and processing of the necessary information via embedded programs. A second for managing radio communication to the sensors / actuators via the Zigbee protocol and finally a third for managing the power supply to the cards, with management of a backup battery and the reporting of the mains fault. The device according to the invention is particularly intended for energy management in accommodation for short-term rental, hotel rooms, guest rooms, etc.