Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

91results about How to "Efficient charging" patented technology

Wireless charging method for unmanned aerial vehicle group

The invention discloses a wireless charging method for an unmanned aerial vehicle group, and the main points of the technical scheme are that the method comprises the following steps: S1, integrating a wireless charging receiving module, a communication module and an electric quantity monitoring module on each unmanned aerial vehicle; s2, when the electric quantity of a certain unmanned aerial vehicle is lower than a preset threshold value, the unmanned aerial vehicle sends a charging request to a nearby unmanned aerial vehicle and / or a charging base station through a communication module; s3, the charging scheduling system selects an optimal charging source (unmanned aerial vehicle or charging base station) and a charging path through an intelligent scheduling algorithm according to the real-time position, the electric quantity and the flight task state of the unmanned aerial vehicle group; s4, the unmanned aerial vehicle receives electric energy from the selected charging source through the wireless electric energy transmission technology, and charging is completed; according to the wireless charging method, efficient charging of the unmanned aerial vehicle group is supported, the optimal charging position is intelligently selected through the automatic moving charging base station, the wireless charging module adapts to different flight attitudes, the collision risk is reduced through the dynamic navigation function, and stable operation in various environments is ensured.
Owner:SHANGHAI DUOWENYEHUI TECHNOLOGY CO LTD

Charging and discharging management system of solar street lamp

The invention relates to the technical field of solar power generation, in particular to a charging and discharging management system of a solar street lamp, which comprises a data acquisition unit, an illumination intensity prediction unit, a fuzzy reasoning unit, a charging optimization unit, a discharging optimization unit and a battery management unit. Historical data of street lamps are collected and preprocessed through a data acquisition unit, and a first data set is generated; the illumination intensity prediction unit applies an SARIMA model to predict future illumination intensity; the fuzzy reasoning unit generates a membership function according to the first data set and the predicted illumination intensity; the charging optimization unit constructs a fuzzy inference rule base by using a membership function and calculates the current charging power; the discharge optimization unit divides discharge time periods according to the first data set and calculates discharge power; the battery management unit updates the remaining capacity of the storage battery according to the charging power and the discharging power and evaluates the energy storage effect, the energy management effect of the solar street lamp can be improved, and therefore the adaptability of charging and discharging management of the solar street lamp is improved.
Owner:SHUYANG JUCAI PHOTOELECTRIC TECH CO LTD

Control method and system based on intelligent charging pile cluster

The invention discloses a control method and system based on an intelligent charging pile cluster, and relates to the technical field of intelligent charging piles, and the method comprises the following steps: recognizing each stage of battery charging, the battery charging stages including an initial stage, a fast charging stage and a trickle charging stage; after entering the trickle charging stage, acquiring charging current data of the battery in real time; and after the real-time current data is obtained, the current data obtained in the trickle charging stage is analyzed under the detection window, and the abnormal condition of current fluctuation is identified. According to the invention, through real-time analysis of current data and rapid identification and adjustment of abnormal fluctuation, damage to the battery caused by overlarge current is avoided, and especially in a trickle charging stage, the service life of the battery is prolonged and the safety is improved. After the abnormal current fluctuation is controlled, the fuzzy logic and PID control are combined, the nonlinear fluctuation is flexibly coped, the stable current is accurately adjusted, the response capability and the regulation and control precision of the system are improved, and the safety and the high efficiency of the charging process are ensured.
Owner:江西驴充充物联网科技有限公司

Cluster charging power distribution method and device, equipment and storage medium

The invention is suitable for the technical field of charging control, and provides a cluster charging power distribution method, device and equipment and a storage medium, and the method comprises the steps: obtaining a charging mode selected by a user, a charging current required by a target vehicle, a charging voltage required by the target vehicle, the total power of a charging pile, the number of charging guns of the charging pile, and the line temperature of the charging guns; based on the charging mode selected by the user, the charging current required by the target vehicle, the charging voltage required by the target vehicle, the total power of the charging pile, the number of the charging guns of the charging pile and the line temperature of the charging guns, calculating a power adjustment target value of the charging guns connected with the target vehicle; and controlling the charging power of a charging gun connected with the target vehicle based on the power adjustment target value. The method can accurately determine the distribution of the charging power of the charging gun, can maintain the stability of a power grid, and can improve the utilization rate of energy.
Owner:SHIJIAZHUANG KE ELECTRIC

Hybrid power assembly system, power distribution method, device, equipment and medium

The invention relates to a hybrid power assembly system, a power distribution method, device and equipment and a medium. The hybrid power assembly system comprises an engine, a planet wheel speed change mechanism, a power battery, a first motor, a second motor, a CVT shaft and a PTO shaft. The engine is used for providing power for the planet gear speed change mechanism and the PTO shaft; the planet wheel speed change mechanism is connected with the CVT shaft and used for providing power for the CVT shaft. The power battery is used for providing electric energy for the first motor and the second motor; the first motor is used for providing power for the planet wheel speed change mechanism; and the second motor is used for providing power for the PTO shaft. The hybrid power assembly system has higher reliability, later maintenance is simple, resistance corresponding to sudden change of the PTO end is overcome, and it is ensured that the hybrid power assembly system keeps the vehicle speed, and meanwhile the engine has high power type and fuel economy.
Owner:LOVOL HEAVY IND CO LTD

Charging method, charging device and electronic equipment

The invention discloses a charging method, a charging device and electronic equipment. The method comprises the steps that the charging current of to-be-charged equipment and the battery voltage of the to-be-charged equipment are collected in real time; in the constant current charging stage, based on the charging current and the battery voltage, the charging voltage is boosted according to a preset step voltage, and the boosting speed of the charging voltage is controlled when the charging voltage is boosted; in the constant-voltage charging stage, based on the charging current and the battery voltage, reducing the charging voltage according to a preset step voltage; and charging the to-be-charged device based on the charging voltage and the charging current. According to the scheme, high-efficiency charging is realized by reducing energy loss.
Owner:LUXSHARE PRECISION IND SHENZHEN

Loader for earthwork construction

The utility model relates to the technical field of earth-rock construction, in particular to a loader for earth-rock construction, which comprises a traction mechanism, a transfer mechanism mounted on the traction mechanism and a pushing mechanism mounted on the transfer mechanism. The traction mechanism comprises a beam frame fixedly installed outside the two bearing outer frames, a pull rod movably installed in the beam frame and a gasket attached to the inner end of the pull rod. When the outer end of the pull rod is selected to be assembled on a rear carriage of the transfer vehicle and a driver drives the transfer vehicle to reverse towards gravel, the material guiding partition plate attached to the ground can be matched with a first vertical shaft, a second vertical shaft and a plurality of blade plates which rotate at a high speed to push the gravel scattered on the ground towards the top slope of the material guiding partition plate; after the gravel is continuously pushed to the top face of the material guiding partition plate, the continuously-pressed gravel can be transferred into a compartment of a transfer vehicle along the material transferring conveying belt, and therefore it can be effectively ensured that the loading equipment can be independently matched with all the transfer vehicles to efficiently load the gravel.
Owner:LINYI HUIJI BUILDING MATERIALS CO LTD

Vehicle powertrain, control arrangement and method for controlling a vehicle powertrain

A vehicle powertrain (2) includes an electric machine (3), a combustion engine (4), a planetary gear set (5), a first shaft (11) and a second shaft (12). The motor (3) is connected to the second shaft (12). The first shaft (11) is connected to a sun gear (20) of the planetary gear set (5) and the second shaft (12) is connectable to a ring gear (23) of the planetary gear set (5) via a ring gear coupling (34). Both the second shaft (12) and an output shaft (13) of the combustion engine (4) are connectable to the first shaft (11) via a coupling arrangement (30). The present disclosure also relates to: a vehicle (1) comprising the vehicle powertrain (2); a method for controlling the vehicle powertrain (2); a control arrangement (100) configured to control the vehicle powertrain (2); a computer program; and a computer readable medium.
Owner:TRATON AB

A drone hangar with automatic charging structure

The utility model relates to the field of unmanned plane, disclose a kind of unmanned plane hangar with automatic charging structure, including base, the top of base is fixedly connected with box, the inside of box is provided with fixed mechanism, the fixed mechanism includes slide rail, the bottom of slide rail is fixedly connected in the bottom of base, the outer wall of slide rail is slidably connected with lifting plate, the outer wall of base is fixedly connected with outer support, the outer wall of lifting plate is hinged with connecting rod A, the outer wall of connecting rod A is slidably connected with outer connecting block. In the utility model, under the cooperation of slide rail, lifting plate, connecting rod B, clamping plate, pawl, ratchet wheel, step rope, foot pedal, pawl is separated from ratchet wheel by stepping down step rope, lifting plate is driven to move down by lifting foot pedal, and then clamping plate moves along guide slide rod, realize the fixation of unmanned plane, ensure its transport stability and calibrate and the contact position of charging plate.
Owner:NANJING YICHUANG HUILIAN TECH CO LTD

Battery testing device and battery charging testing method

There is provided a battery test device capable of executing, with high accuracy, battery charge control and control to maintain a voltage between terminals of a battery in constant current / constant voltage control in a charge test mode. In the constant current / constant voltage control in the charge test mode, constant current charge control for supplying a charging current of a set current value to the battery by duty-ratio control for a full-bridge circuit is executed, and when the voltage between the terminals of the battery rises up to a set voltage value during the constant current charge control, the constant current charge control is stopped and constant voltage charge control for supplying the charging current to the battery to maintain the voltage between the terminals at the set voltage value is executed, when the charging current drops up to 0 [A] during the constant voltage charge control, the constant voltage charge control is stopped and zero amp control for maintaining the charging current at 0 [A] is executed, and when the voltage between the terminals rises above the set voltage value during the zero amp control, the zero amp control is stopped and minute discharge control for making a minute discharging current flow out of the battery is executed.
Owner:TOYO SYSTEM CO LTD

High-efficiency charger based on NCP1342 and NV6136C

The invention relates to the technical field of chargers, and discloses a high-efficiency charger based on NCP1342 and NV6136C. The high-efficiency charger comprises an input circuit, an RCD absorption circuit, a control and power conversion circuit, an output circuit and a feedback circuit. According to the invention, the input circuit, the RCD absorption circuit, the control and power conversion circuit, the output circuit and the feedback circuit work cooperatively to realize an efficient, stable and safe charging process; the input circuit guarantees the stability and safety of an input power supply based on an NTC thermistor, a fuse and a low-pass filtering network; peak and oscillation of power conversion are effectively suppressed based on the RCD absorption circuit, and circuit elements are protected; an NCP1342 chip is used for driving an NV6136C based on a control and power conversion circuit, efficient electric energy conversion and voltage regulation are achieved by means of a transformer, and meanwhile the safety of the protection function is enhanced; the output circuit ensures the quality of output electric energy through diode rectification and capacitor filtering; the feedback circuit accurately adjusts output, and the performance of the charger is comprehensively improved.
Owner:GUANGZHOU KINGPIN IND CO LTD

Collaborative robot system

A collaborative robot system. A technique is provided for appropriately controlling the charging period of the collaborative robot. The collaborative robot system includes a robot that works alongside a user in a designated location. The collaborative robot system comprises: a battery that supplies power to enable the robot to move; a display unit that displays the battery's charge level; a storage unit that stores the robot's work content; a calculation unit that calculates the predicted power required for future work content based on the power consumed when performing the work content stored in the storage unit; and a notification unit that notifies the battery of the charging period based on the predicted power.
Owner:AISAN IND CO LTD

Charging method for non-aqueous electrolyte secondary battery, charging / discharging method, and charging system for non-aqueous electrolyte secondary battery

Provided is a charging method with which charging with good efficiency can be possible while ensuring good cycle characteristics in a non-aqueous electrolyte secondary battery comprising a negative electrode that contains a carbon material. A charging method for a non-aqueous electrolyte secondary battery according to one aspect of the present disclosure comprises a switching step for switching the control temperature of a non-aqueous electrolyte secondary battery from high temperature to low temperature, wherein the non-aqueous electrolyte secondary battery includes a positive electrode and a negative electrode which reversibly perform intercalation and deintercalation of lithium ions, and the negative electrode contains, as a negative electrode active material, a carbon material and a silicon compound. The timing of the switching step is determined by detecting that dQGr / dQ, that is, the ratio of the amount of change in a capacity QGr of the carbon material to the amount of change in a battery capacity Q, becomes larger than dQsi / dQ, that is, the ratio of the amount of change in a capacity QSi of the silicon compound to the amount of change in the battery capacity Q.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Improved composite hydrogen storage device for hydrogen storage and method of use thereof

The application belongs to the technical field of composite hydrogen storage, in particular to an improved composite hydrogen storage device for hydrogen storage and a use method thereof, which comprises a hydrogen storage tank body and a solid-state hydrogen storage module arranged in the hydrogen storage tank body, the solid-state hydrogen storage module is filled with a hydrogen storage alloy, and an end interface for hydrogen charging and discharging is arranged on an end cover of the hydrogen storage tank body; the solid-state hydrogen storage module comprises a first hydrogen storage unit and a second hydrogen storage unit arranged axially along the hydrogen storage tank body, and a filtering unit arranged between the end interface and the first hydrogen storage unit; the filtering unit is arranged to be slidable, and the pressure difference between the high-pressure area naturally formed between the end interface and the first hydrogen storage unit and the low-pressure area at the bottom of the tank body during hydrogen charging is used as a driving force, during hydrogen charging, the pressure difference drives the filter screen body to avoid the main flow field, thereby reducing the airflow resistance and ensuring high-speed and high-efficiency hydrogen charging.
Owner:JIANGSU DECHEN CHANGGONG NEW ENERGY TECH INNOVATION CO LTD

A charging plug, a charging port, a device and a charging system

The embodiment of the present application provides a charging plug, a charging port, equipment and a charging system, the charging plug comprises: a shell, which is provided with an external ridge and an internal projection, wherein the external ridge is distributed on the outer periphery of the internal projection, and the height of the external ridge is greater than the height of the internal projection; a magnetic attraction charging docking structure is arranged on the internal projection and comprises: at least one magnetic conduction positioning contact, which corresponds to one end of a corresponding magnetic conduction column and is used for magnetic coupling with a magnetic attraction contact arranged on a charging port; a power output contact is electrically connected with a charging transmission contact arranged on the charging port; a Hall proximity switch is arranged adjacent to the other end of the magnetic conduction column and is used for sensing the magnetic field change of the magnetic attraction contact of the charging port focused by the magnetic conduction column. Through the charging plug and the charging port of the embodiment of the present application, the charging plug can be forced to be inserted into the charging port of the load equipment to be charged in a unique and correct docking direction, thereby avoiding polarity reverse connection.
Owner:BEIJING CHOICE ELECTRONICS TECH CO LTD +1

Portable seat charger

The utility model relates to the technical field of chargers, in particular to a portable seat charger, which comprises a seat charger body, a mounting cavity and a charging cavity are arranged in the seat charger body, and a conductive component communicated with the charging cavity and used for charging a battery in the charging cavity is arranged in the mounting cavity. The charging chamber is divided into two charging rooms by a partition plate, storage grooves used for storing SD cards are correspondingly formed in the sides of the two charging rooms, the seat charger body is rotationally connected with a disengagement preventing structure used for sealing the charging chamber, and one end of the disengagement preventing structure is buckled with the seat charger body. According to the utility model, the charging chamber of the seat charger body is divided into the two charging rooms by the partition plate, so that the seat charger body realizes the function of charging a plurality of batteries, and the storage grooves are formed in the charging rooms, so that the storage of SD cards is realized; and meanwhile, the seat charger body is provided with a disengagement preventing structure, so that the battery in the charging cavity is prevented from falling off when the seat charger is carried, and the battery can be effectively charged.
Owner:GUANGDONG SHUNXIANG ENERGY TECHNOLOGY CO LTD

Battery management device, battery management method, and control program product

The invention relates to a battery management apparatus, a battery management method, and a control program product. A battery management device according to the present disclosure includes: a temperature detection unit configured to detect a temperature of a lithium ion secondary battery; a high-frequency signal supply unit configured to supply a high-frequency signal of 0.1 MHz or more to the lithium ion secondary battery; an impedance detection unit configured to detect a value of a real part of AC impedance from the lithium ion secondary battery to which the high-frequency signal has been supplied; a calculation unit configured to calculate an amount of Li deposition in the lithium ion secondary battery from a value of a real part of the detected AC impedance; and a control unit configured to control an allowable charging power of the lithium ion secondary battery and control an upper limit temperature of the lithium ion secondary battery based on the calculated Li deposition amount in the lithium ion secondary battery.
Owner:TOYOTA JIDOSHA KK

Vehicle-mounted water boiling cup and vehicle comprising same

The vehicle-mounted water boiling cup comprises a cup cover and a cup body detachably connected with the cup cover, the cup body comprises a liquid container and a first cavity, the first cavity is arranged below the liquid container, a heating module and a temperature sensor are arranged in the first cavity, the heating module is located at the bottom of the liquid container, and the temperature sensor is used for detecting the temperature of liquid in the liquid container. The second cavity is formed in the side wall of the cup body and communicates with the first cavity, a DC power interface is formed in the bottom of the second cavity, the main control board is arranged in the first cavity or the second cavity, and the heating module, the temperature sensor and the DC power interface are all electrically connected with the main control board; a vehicle comprises a vehicle body, a cab is arranged in the vehicle body, a cigarette lighter is arranged in the cab, the vehicle further comprises the vehicle-mounted water boiling cup, and the DC power interface is electrically connected with the cigarette lighter through a DC electric wire. The vehicle-mounted charger is safer and more stable when being charged on a vehicle, and has the advantages of quick dynamic response and high-efficiency charging when being directly connected with DC (Direct Current) during use.
Owner:FOSHAN SHUIBAODUN TECH CO LTD

Circuit control system for street lamp of automobile charging pile

The invention discloses a circuit control system for an automobile charging pile street lamp, and relates to the technical field of circuit control. The environment information, the energy storage information and the vehicle information are subjected to lighting and charging characteristic analysis to obtain control characteristic parameters, the lighting state and the charging load state of the automobile charging pile street lamp can be accurately evaluated, and data support is provided for dynamic adjustment of lighting and charging strategies of the automobile charging pile street lamp. The brightness in the lighting area and the charging power of the automobile charging pile street lamp are dynamically adjusted by controlling the characteristic parameters, so that the light brightness in the lighting area can meet actual requirements in different environments, excessive lighting is avoided, and energy is saved; meanwhile, the charging power is adjusted according to the SOC interval and the load state index of the battery, so that the charging process is more efficient, and energy utilization is optimized; and optimization of energy utilization and intelligent control of the street lamp of the automobile charging pile are realized.
Owner:JIANGSU LIPU TRAFFIC LIGHTING CO LTD

Electrode material for aluminum electrolytic capacitors and method for producing same

The present invention provides an electrode material for aluminum electrolytic capacitors, the electrode material being capable of exhibiting a high capacitance required for capacitors and having suppressed equivalent series resistance (ESR), and provides a method for producing the electrode material. The present invention provides an electrode material for aluminum electrolytic capacitors, comprising a sintered body of an aluminum alloy powder on at least one surface of a substrate, wherein the substrate is an aluminum foil substrate or an aluminum alloy foil substrate, and the aluminum alloy powder contains Fe in an amount of 2 to 499 mass ppm.
Owner:TOYO ALUMINIUM KK

Humanoid robot wireless charging system and charging method thereof

The present invention provides a humanoid robot wireless charging system and a charging method thereof, wherein the charging system comprises a wireless charging blanket composed of a base blanket, a ferrite, a wireless electromagnetic flux transmitting coil, a pressure sensor, a photoelectric sensor and a visual beacon, and a visual camera and a wireless electromagnetic flux receiving converter arranged on the humanoid robot, and further comprises a wireless communication server and a processor. When the humanoid robot is on the wireless charging blanket, the pressure sensor, the photoelectric sensor and the visual camera respectively obtain the instantaneous pressure, position and posture of the humanoid robot on the wireless charging blanket and the information of the charging battery of the humanoid robot. After processing the information, the processor performs electromagnetic flux transmitting switch, intensity and direction control on the wireless electromagnetic flux transmitting unit composed of at least one wireless electromagnetic flux transmitting coil and ferrite near the wireless electromagnetic flux receiving converter, and implements dynamic wireless charging under all working conditions for the humanoid robot in standing or moving operation.
Owner:WIPO (SHANGHAI) NEW ENERGY TECHNOLOGY CO LTD

A method for charging temperature compensation of a charging battery using NTC

The application provides a method for charging temperature compensation of a charging battery by using NTC, which comprises the following steps: setting the maximum charging voltage at high temperature, normal temperature and low temperature, combining the feedback voltage and current of a charging control IC, and calculating the target resistance value of an upper voltage dividing network at each temperature; selecting NTC with a specific temperature coefficient and a nominal resistance value, constructing a composite network in parallel with a fixed resistance and then in series, determining the resistance values of R2 and R3 through iterative calculation so that the equivalent resistance of the network at a characteristic temperature approaches the target value, and connecting the network to a feedback loop to realize automatic temperature compensation of the charging voltage. The application can realize automatic adjustment of the charging voltage of the charging battery at different temperatures, improve the charging precision and safety, and prolong the service life of the battery.
Owner:杭州得明电子股份有限公司

Wireless charging equipment identification method based on USB signal crosstalk

The invention discloses a wireless charging device identification method based on USB signal crosstalk, a USB power supply used for charging a wireless charging device is provided with at least two USB ports, when the wireless charging device is connected with one USB port of the USB power supply through a wireless charger, a voltage signal with the duration of two seconds is collected as a wireless charging device identification signal, and the wireless charging device identification signal is used as a wireless charging device identification signal. After filtering and baseline correction are sequentially carried out on the wireless charging equipment identification signal, a standardized feature vector is extracted and uploaded to a remote server, identification is carried out through a wireless charging equipment identification classifier to obtain a corresponding equipment label, the equipment label is verified, if verification is passed, the equipment label is correct, identification is passed, and if verification is not passed, the equipment label is not correct. If the verification is not passed, the equipment label is incorrect, and the identification is not passed; the wireless charging device has the advantages that the wireless charging device can be effectively charged in the whole wireless charging period, software installation in the wireless charging device is not needed, and hardware modification on the wireless charger is not needed.
Owner:NINGBO UNIV

Method and system for rapidly calibrating fast charging current of battery pack

The invention discloses a method and system for quickly calibrating fast charging current of a battery pack, and the method comprises the steps: calibrating the maximum charging current of a battery cell at different temperatures and SOC in advance, and taking the maximum charging current as initial fast charging current of the battery pack; according to the temperature boundary of the battery pack and the SOC boundary of the battery pack, establishing a fast charging current matrix of the battery pack; and based on the battery fast charging current matrix, assigning a target matrix unit in the battery fast charging current matrix to carry out fast charging current calibration on the battery pack. According to the method, SOC interval is carried out on battery pack fast charging current, the influence of negative electrode relative reference electrode potential and battery cell temperature rise is synchronously considered at battery cell fast charging current marking time, sub-matrix unit calibration is carried out, and finally a battery pack fast charging ampere meter is formed and corresponds to a battery pack. And finally, the technical defect that the quick charging performance of the battery pack cannot be exerted due to the fact that the battery pack is calibrated by directly adopting a cell level quick charging flow calibration method in the prior art is solved.
Owner:CHERY AUTOMOBILE CO LTD

Self-adaptive power adapter and adjusting method thereof

A self-adaptive power adapter is characterized in that an input module converts received alternating current into direct current with stable voltage, and a main control module generates a first control signal which is in a first proportional relation with target charging voltage and a second control signal which is in a second proportional relation with target charging current according to a charging request sent by a charging interface; the multi-mode conversion module is driven to dynamically convert in a step-up or step-down mode based on the first control signal, the input voltage is converted into the output voltage matched with the target charging voltage, and the second control signal can drive the output adjusting module to adjust the output current into the output current matched with the target charging circuit. Determining that the output voltage and the output current are matched with the charging demand of the to-be-charged equipment; furthermore, the second control signal is dynamically optimized in combination with the target charging current upper limit of the to-be-charged equipment, so that overload or thermal runaway is prevented, and high efficiency, safety and reliability of the charging process are ensured.
Owner:SHENZHEN LONGXC POWER SUPPLY CO LTD

A new type of electric lifting wireless charging stand

This utility model discloses a novel electric lifting wireless charging stand, belonging to the technical field of wireless charging equipment. The charging stand includes a first housing, a mobile phone wireless charging base, a charging circuit board, a lifting assembly, and foldable and flip-out watch and earphone wireless charging bases on both sides of the first housing. The lifting assembly consists of a motor housing, a motor, gears, and a lifting base with a rack and pinion. The motor drives the gears to mesh with the rack and pinion, achieving height adjustment of the mobile phone wireless charging base. The mobile phone wireless charging base has a built-in first coil and magnet, while the watch and earphone charging bases respectively have built-in third and second coils, and are folded and stored via connectors. This utility model adapts to various usage scenarios through its lifting structure, integrates multi-device charging functions, and its folding design saves space and is easy to operate, making it suitable for home and office settings.
Owner:SHENZHEN HUASHENG JIAHE ELECTRONIC TECH CO LTD

Energy optimization method and device for light storage type electric vehicle charging station

The invention relates to a light storage type electric vehicle charging station energy optimization method and device. The method comprises the following steps: acquiring a real-time charging characteristic parameter, a real-time physical change parameter, a voltage difference physical prediction model and a voltage difference intelligent prediction model of an automobile storage battery; substituting the real-time charging characteristic parameters and the real-time physical change parameters into a voltage difference physical prediction model to obtain voltage difference physical prediction data; inputting the real-time charging characteristic parameters and the real-time physical change parameters into a voltage difference intelligent prediction model to obtain voltage difference intelligent prediction data; according to the voltage difference physical prediction data and the voltage difference intelligent prediction data, predicting the charging state to obtain a storage battery voltage difference prediction curve; and determining a storage battery charging control mode according to a position mapping relation between the storage battery voltage difference prediction curve and each storage battery charging control quadrant. By adopting the method, the safety of the storage battery in the charging process can be effectively improved.
Owner:STATE GRID FUYANG POWER SUPPLY COMPANY +1

Intelligent underwater vehicle hot charging method

The application belongs to the technical field of underwater equipment and artificial intelligence, and discloses a kind of intelligent underwater submersible heat charging method, to solve the problems of low charging efficiency, underwater navigation difficulty and insufficient safety guarantee of existing underwater submersible. The method is long-distance positioning to underwater heat source and underwater volcano through GPS signal when sailing on water surface, mid-distance positioning is carried out through inertial navigation, sonar signal and charging capacity of thermal power generation plate during diving process, precise short-distance positioning is carried out through ultra-short baseline positioning system, inertial navigation system, doppler sonar speed measurement system and charging capacity of thermal power generation plate at the position of underwater heat source and underwater volcano during slow sailing charging process, the optimal path of obstacle avoidance energy consumption is planned based on cost function, and the thermal power generation plate converts the thermal energy of underwater heat source into electric energy to charge the battery. The application realizes accurate perception of underwater thermal environment, significantly improves underwater navigation efficiency and charging safety, and prolongs the endurance time of submersible.
Owner:CHINA THREE GORGES UNIV

Analog-to-digital converter with a single-bit quantizer

The invention relates to a printing machine (01) designed as a sheet-fed printing press (01), having at least one printing head (09) and a roll unwinding device (24), wherein the printing machine (01) is provided with a transport path for transporting a printing substrate (02), and wherein the printing machine (01) has a central cylinder (07) as a printing substrate guide element (07), the printing head (09) being arranged pointing towards the central cylinder, and wherein the printing machine (01) has a charging device (03) having at least one charging electrode (04) designed as a DC voltage electrode (04), and wherein the region of the transport path for transporting the printing substrate (02) which is adjacent to the charging electrode (04) is arranged before the printing point (11) defined by the printing head (09), and wherein the central cylinder (07) is earthed, and wherein the printing head (09) is earthed, and wherein the minimum distance (c) between at least one spray opening (12) of the printing head (09) and at least one charging electrode (04) is at least 20 mm.
Owner:KOENIG & BAUER AG