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160 results about "Backup battery" patented technology

A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers. Small backup batteries may be primary cells; rechargeable backup batteries are kept charged by the prime power supply.

Deep-sea cross-domain unmanned aerial vehicle and method thereof for completing autonomous deep-sea exploration task

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.
Owner:ZHEJIANG UNIV

Charging activation device, energy storage system and activation method thereof

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.
Owner:SHENZHEN RUIDIAN GREEN ENERGY TECH CO LTD

Cover opening detection circuit, cover opening detection method and metering instrument

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.
Owner:WASION GROUP HLDG

Battery hot swapping

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.
Owner:QUALCOMM INC

Intelligent central control device, intelligent central control system and production measurement method of intelligent central control device

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.
Owner:ZHEJIANG OUWEI SOFTWARE CO LTD

Charging management and health detection method for TBOX built-in standby battery

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.
Owner:XIAMEN JINLONG CAR ACCESSORIES CO LTD

Control method of rotary actuator of integrated gear vernier encoder and related equipment

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.
Owner:EHANG INTELLIGENT EQUIP GUANGZHOU CO LTD

Robotic power supply systems, methods, apparatuses, devices, and storage media

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.
Owner:CHONGQING PHOENIX TECHNOLOGY CO LTD

Earphone charging box charging and discharging management method and earphone charging box

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.
Owner:GOERTEK INC

An outdoor shared power supply pile intelligent control management system

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.
Owner:GUIZHOU TIANREN ELECTRIC POWER TECH AUTOMATION CO LTD

Modular uninterruptible power supply based on partial power converters and control method thereof

This invention discloses a modular uninterruptible power supply (UPS) based on a partial power converter and its control method, aiming to solve the problems of insufficient modularity, high power handling capacity, and high losses in existing DC UPS based on full power converters. The UPS is implemented as a three-port partial power converter consisting of dual active full-bridge DC / DC converters connected in a special configuration. This partial power converter compactly integrates the DC bus connected to the main power supply, the backup battery, and the DC load into a modular UPS. The UPS control method, comprised of three parts—constant current charging control for the backup battery, constant voltage control for the load, and switching commands for these two controls—ensures that the converter's transmitted power is always a portion of the sum of the backup battery power and the DC load power in four different modes: grid-connected mode, islanded mode, battery-out mode, and load-out mode. This reduces converter transmission losses and improves system energy efficiency and economy.
Owner:HEBEI UNIV OF TECH

A battery swapping method, system, device, and storage medium based on dual robots

This invention discloses a battery swapping method, system, device, and storage medium based on dual robots, relating to the field of battery swapping technology. The method includes: after a battery swapping station receives a battery swapping request from a battery swapping vehicle, it determines the charging position of a fully charged battery pack and judges whether the current primary battery swapping robot can work normally; when the battery swapping station judges that the current primary battery swapping robot can work normally, it generates a first battery swapping instruction and sends the first battery swapping instruction to the primary battery swapping robot, enabling the primary battery swapping robot to complete the battery swapping operation of the battery swapping vehicle according to the first battery swapping instruction; when the battery swapping station judges that the current primary battery swapping robot cannot work normally, it generates a second battery swapping instruction and sends the second battery swapping instruction to a backup battery swapping robot, enabling the backup battery swapping robot to complete the battery swapping operation of the battery swapping vehicle according to the second battery swapping instruction.
Owner:SHANGHAI RONGQING NEW ENERGY TECH CO LTD

Electrical propulsion system for an aerial vehicle, aerial vehicle including such an electrical propulsion system

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.
Owner:SAFRAN ELECTRICAL & POWER

Vehicle risk avoidance control method and device and vehicle

PendingCN122402240Aachieve hedgingreduce lossesPower batteryElectrical battery
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.
Owner:MERCEDES BENZ GRP

Standby battery connection control method and earphone charging box

The invention relates to the technical field of wearable equipment, in particular to a standby battery connection control method and an earphone charging box, and the method comprises the steps: generating a standby battery connection signal; and controlling the standby battery to be fixedly connected with the wireless earphone in the earphone charging bin according to the standby battery connection signal. The invention mainly aims to provide a standby battery connection control method applied to an earphone charging box, and aims to realize that a standby battery and an earphone can be synchronously taken out.
Owner:GOERTEK INC

Bus-type alarm host

A bus type alarm host comprises a host shell, a main board, a heat source subdivision heat dissipation mechanism, a network port, an alternating current interface, a transformer, a standby battery and a floating type main board support, the main board is connected with the host shell through the floating type main board support, and the heat source subdivision heat dissipation mechanism, the network port, the alternating current interface, the transformer and the standby battery are connected with the interior of the host shell. The network port is connected with the mainboard, the transformer and the standby battery are connected with the interior of the heat source subdivision heat dissipation mechanism, the transformer is connected with the mainboard through a power line, and the standby battery is connected with the mainboard through a power line. Compared with the prior art, the heat source subdivision heat dissipation mechanism is additionally arranged, the transformer and the standby battery are independently packaged in the metal isolation cabin, heat is led out through shell heat dissipation fins, the heat dissipation effect is good, the service life of the battery is prolonged, a metal shielding net is arranged outside, electromagnetic shielding is formed, meanwhile, the battery cabin is additionally provided with a sliding rail and a buckle structure, and the heat dissipation effect is good. And the battery is convenient to disassemble and replace.
Owner:SHANGHAI JINLING ELECTRONICS NETWORK

Protection monitoring system for backup battery

The utility model discloses a protection monitoring system for a backup battery, which relates to the technical field of power system automation and comprises a switching power supply, a core device, the backup battery, a backup battery protection monitoring module and a cooling fan. The switching power supply is provided with a switching power supply charging and discharging interface, the backup battery protection monitoring module comprises an MCU controller, a backup battery information collector, a main power supply power-down monitor and a relay, and the MCU controller is connected with the backup battery information collector, the main power supply power-down monitor, the relay, the cooling fan and the core device. The relay is further connected with the switching power supply charging and discharging interface and the backup battery. The main power supply power failure monitor is further connected with the switching power supply. The core devices are DTU and FTU core devices. The method can effectively reduce the field fault of the backup battery, prolong the service life of the battery, and greatly reduce the field manual operation and inspection workload, thereby supporting the long-term and stable operation of the power distribution network in a severe environment.
Owner:NINGXIA ELECTRIC POWER ENERGY TECH CO LTD

A control method and device for a dual-source electric oil pump for a gearbox

The application discloses a control method for a dual-source electric oil pump of a gearbox, and the method comprises the following steps: acquiring handle gear position information and gearbox input and output rotating speed information; judging whether the gearbox is in the N gear state and the gearbox output rotating speed is 0; if yes, the electric oil pump is closed; if not, the electric oil pump is started, working condition information is acquired, and the target rotating speed of the electric oil pump is set according to the working condition information; while the electric oil pump is started, the power supply voltage of a power battery is acquired; if the power supply voltage of the power battery is less than a corresponding threshold value, the input power supply of the electric oil pump is faulty, the input power supply of the electric oil pump is switched from the power battery to a backup battery, the driving motor is controlled to be closed, the gearbox is controlled to return to the N gear, and the rotating speed of the electric oil pump is controlled to be gradually reduced until the electric oil pump is closed; the application subdivides the working condition of the electric oil pump, different control strategies are adopted according to different working conditions, and on the basis of sufficiently reducing energy consumption, the stability and safety of the gearbox are ensured.
Owner:JIANGSU ADVANCED CONSTR MASCH INNOVATION CENT LTD

Calibrating medical system backup battery

A system for calibrating a medical system backup battery includes a processing device and a memory storage device. The memory storage device includes instructions executable by the processor to receive a shutdown request to shut down a medical system having a backup battery. Additionally, these instructions are executable by the processor to determine a calibration expiration of the backup battery based on a current date and a calibration expiration date in response to receiving a shutdown request. In addition, these instructions are executable by a processor to provide a request to perform a discharge of the backup battery to a voltameter board of a power management board of the medical system.
Owner:GE PRECISION HEALTHCARE LLC

Energy-saving power generation device and power generation method

The application discloses an energy-saving power generation device and a power generation method, and relates to the technical field of power generation.The device comprises a 48V backup battery, a 48V permanent magnet synchronous DC motor, a speed reducer, a 380V permanent magnet synchronous three-phase AC generator, a switching power supply, a rectification module and an intelligent main and auxiliary switching switch.The 48V backup battery supplies power to the DC motor through the intelligent main and auxiliary switching switch, the DC motor drives the AC generator through the speed reducer to generate power, the AC generator transmits AC power to the switching power supply through the intelligent main and auxiliary switching switch, and the switching power supply converts the AC power into DC power through the rectification module and then feeds back the DC power to the 48V backup battery, so that a self-circulation power supply loop is formed.The power generation method realizes stable power supply by real-time detection of a power supply state, automatic closure of a circulation loop, power transmission and power generation, AC power processing and rectification and battery recharge circulation.The application does not need manual intervention, utilizes existing backup battery resources, has low energy consumption, no pollutant emission, high transmission efficiency, can quickly respond to power failure demand of a base station, avoids signal interruption, is suitable for communication operator machine rooms and outdoor cabinets and has remarkable economic and environmental protection benefits.
Owner:李学明

Intelligent charger with standby battery and use method thereof

The invention discloses an intelligent charger containing a standby battery and a use method thereof, which effectively solves the problem of task interruption caused by failure of a main battery of mobile equipment by integrating the standby battery capable of being quickly inserted and detached in the charger, and ensures that the mobile equipment can still complete current operation or safely drive away from a working area in an abnormal state. A double-floating butt joint mechanism is adopted to expand the butt joint tolerance range, and the automatic butt joint reliability is improved. By adopting the three-section dormant battery activation method, the wakeup success rate of the power-deficient battery is remarkably improved, and the service life of the battery is prolonged. And meanwhile, through linkage with an upper scheduling platform, real-time monitoring of the charging state, prediction of the service life of the battery and optimal distribution of charging resources are realized. The charger is reasonable in structure, comprehensive in function, safe and reliable, and is provided with a pluggable standby battery for emergency power supply, an intelligent upper monitoring system and a high-adaptability master control framework, so that the continuous operation capability and the intelligent operation and maintenance level of the automatic guided vehicle are improved.
Owner:济南科德智能科技有限公司

High-sealing outdoor integrated cabinet for communication base station

The utility model discloses a high-sealing outdoor integrated cabinet for a communication base station, which is characterized in that a cabinet door is provided with a circle of flat plate type sealing strip, the flat plate type sealing strip is adhered to the cabinet door, a door frame of a cabinet body is provided with double circles of grooves, T-shaped sealing strips are embedded in the grooves, and the T-shaped sealing strips are adhered to the cabinet door. When the cabinet door is closed, the flat plate type sealing strip and the T-shaped sealing strip are attached to form a double-compression sealing interface, a modularized cabin is formed in an inner cavity of the cabinet body and sequentially comprises a power source installation area, a lithium battery installation area and a wire arrangement area from top to bottom, an independent compartment is arranged at the bottom of the inner cavity of the cabinet body, and a UPS is installed in the compartment. Through the above mode, double sealing strips are adopted, the waterproof and dustproof performance is enhanced, the device adapts to severe environments, equipment faults caused by high temperature are effectively prevented, wiring of a power line and a signal line is facilitated, a switching power supply, a backup battery and a UPS power supply are integrated, rapid deployment is supported, an independent installation space of the UPS meets emergency requirements, and capacity increasing and rapid station building of a base station are facilitated.
Owner:JIANGSU NANFANG COMM TECH

All-in-one power converter for vehicles and ships

The utility model discloses an all-in-one power converter for vehicles and ships. The all-in-one power converter comprises a charging and inversion two-in-one module, an MPPT (maximum power point tracking) charging module, an internal charging module and a power control module which are integrated together, the power control module is electrically connected with the charging and inversion two-in-one module, the MPPT charging module and the internal charging module. The charging and inversion two-in-one module is used for converting external alternating current into direct current and then charging the backup battery, and the charging and inversion two-in-one module is also used for converting the direct current output by the backup battery into alternating current and outputting the alternating current; the MPPT charging module is used for converting the direct current output by the photovoltaic equipment and then charging the backup battery; and the internal charging module is used for converting the internal direct current and then charging the backup battery. According to the utility model, various kinds of charging power can be converted to charge the backup battery, and the size is small.
Owner:TBB POWER XIAMEN CO LTD

Super capacitor ups power supply for backup after power failure

The utility model discloses a kind of super capacitor UPS power backup voltage stabilizing power after power failure, including drive motor and box, the shaft rotation of the output end of drive motor is arranged on cross support frame, the side surface of cross support frame is symmetrically provided with several rods fixed on the inner wall of box, the other end of the output shaft of drive motor is fixedly connected with transmission shaft, the end of transmission shaft away from drive motor is connected with snap ring, which can be slidably connected with transmission shaft, limit spring is arranged between snap ring and cross support frame, annular sliding groove is arranged on snap ring, several clamping blocks that can be circumferentially rotated with sliding groove are symmetrically arranged in sliding groove, the end of mutually away of adjacent two clamping blocks is hinged with push rack, the side of snap ring away from drive motor is provided with limit mechanism. The super capacitor UPS power backup voltage stabilizing power disclosed in the utility model can evenly dissipate the heat generated during the use of backup battery, to avoid overheating phenomenon due to heat accumulation of battery.
Owner:SHENZHEN BIWELL TECH CO LTD

Electric meter concentrator standby battery charging and discharging management method, medium and system

The invention provides an electricity meter concentrator standby battery charging and discharging management method, medium and system, and the method comprises the steps: turning off a charging switch when a long timer is triggered, and carrying out the multiple times of voltage sampling, so as to obtain a first voltage value; judging whether the first voltage value is an abnormal value or not; if the first voltage value is not an abnormal value, determining a battery state according to the first voltage value, charging a standby battery according to the battery state, and ending a current task of a long timer after charging is completed; triggering a short timer, obtaining a second voltage value, carrying out abnormity judgment according to the second voltage value, and awakening the long timer when the abnormity judgment result is that the battery is abnormal; charge and discharge of the standby battery can be effectively managed, and the standby battery is prevented from being overcharged; and a battery abnormal event is quickly responded, so that the power utilization risk is reduced.
Owner:SHENZHEN INHEMETER

System and method for improving operation reliability of backup battery of electric energy meter

The invention provides a system and method for improving the operation reliability of a backup battery of an electric energy meter, and relates to the technical field of intelligent electric energy meters, and the system comprises a period obtaining unit which is used for obtaining a verification interval period for carrying out power supply verification; the switching control unit is used for controlling the switching power supply module and the backup battery to supply power to the electric energy meter based on the verification interval period so as to obtain first metering data and second metering data; the comparative analysis unit is used for performing backup battery metering fault analysis based on the first metering data and the second metering data to obtain a fault analysis result; and the calibration unit is used for performing power supply metering calibration on the backup battery based on the fault analysis result so as to improve the operation reliability of the backup battery of the electric energy meter. The system and method provided by the invention can effectively improve the metering accuracy of the backup battery of the electric energy meter during power supply, and further improve the operation reliability of the backup battery of the electric energy meter during emergency power supply.
Owner:CSG SMART SCI&TECH CO LTD +1

Emergency battery for communication equipment

1. The name of the design product: emergency backup battery for communication equipment. 2. The use of the design product: emergency backup battery for communication equipment. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.
Owner:GUANGDONG WEINENG NEW ENERGY TECH CO LTD

Apparatus for ritual performance

The present invention relates to a portable autonomous electronic apparatus designed to assist users in performing various types of rituals. The apparatus includes a central processing unit (CPU) that coordinates various subsystems, including a display system for providing visual outputs, a user input interface for controlling the apparatus, and an audio system for delivering ritual instructions and related sounds. The apparatus may also feature a networking module for receiving updates and enabling remote control, and an automated electromechanical ritual execution system for physically performing rituals such as bathing and scenting of sacred objects. The system may be customizable, supporting multiple languages and regional variations. The system may include a backup battery to ensure uninterrupted operation when external power is unavailable.
Owner:DABHADE JAYENDRA

Standby battery charging device

This utility model discloses a backup battery charging device including a housing, an assembly panel assembly, a heat dissipation panel assembly, and a frame. The assembly panel assembly is located on the upper side of the housing, and the heat dissipation panel assembly is located inside the housing and below the assembly panel assembly. The heat dissipation panel assembly is connected to the assembly panel assembly. The frame is sleeved on the assembly panel assembly and is connected to both the assembly panel assembly and the inner wall of the housing. The assembly panel assembly includes an assembly panel, an inlet cooling fan, an outlet cooling fan, a power socket, a touch screen, indicator lights, a metering connector, and a testing connector. This utility model has advantages such as portability, high integration, flexible use, and good heat dissipation.
Owner:SHENZHEN ZHONGLIAN AEROSPACE TECH CO LTD

Commercial power access method and system for power frequency inverter

The invention belongs to the technical field of power electronics, and discloses a mains supply access method and system for a power frequency inverter. The method comprises the following steps: detecting the voltage and frequency of the mains supply in real time through a micro-control unit, and judging that the mains supply can be accessed when the continuous preset duration is normal; all relays are controlled to be disconnected to realize load isolation, and then a pre-charging relay is actuated to enable commercial power to flow into a primary winding of a transformer through a current-limiting resistor to limit impact current; after transient pre-charging, a bypass current-limiting resistor of the input relay is attracted, and then the pre-charging relay is disconnected to cut off the resistor; and finally, the output relay is actuated to supply power to the load, and the H-bridge circuit is controlled to charge the backup battery. The system comprises a commercial power detection module, an MCU, a relay group, a current-limiting resistor, a transformer and an H-bridge circuit. According to the invention, through pre-charging current limiting, load isolation, ordered switching and real-time monitoring, commercial power tripping is prevented, impact is reduced, and the reliability, energy efficiency and compatibility of the system are improved.
Owner:MERCER (GUANGDONG) NEW ENERGY TECH CO LTD