122results about How to "Improve charging effect" patented technology

The invention discloses a modification method of a PVDF (Polyvinylidene Fluoride) separation membrane, and belongs to the technical field of water treatment. The modification method provided by the invention comprises the step of impacting the PVDF separation membrane by adopting high-pressure liquid, so that high-pressure micro-droplets are in high-speed friction with the surface of the PVDF separation membrane. According to the modification method provided by the invention, the hydrophilicity, the surface potential and the dye retention rate of the PVDF separation membrane can be effectively improved.

The invention discloses a multifunctional charging pile and a charging pile installation method, and particularly relates to the technical field of charging piles, the multifunctional charging pile comprises a charging pile body and a plurality of bolts, charging guns are arranged on the two sides of the charging pile body, and a plurality of heat dissipation holes are formed in one side of the charging pile body; by arranging the temperature control device, the temperature of the interior of the charging pile body can be automatically regulated and controlled according to the temperature change of the use environment of the charging pile body, and the interior of the charging pile body is assisted to be rapidly cooled or heated to keep a certain temperature; the service life of the charging pile body is prolonged, the charging effect and safety are improved, and the accuracy and timeliness of charging parameters, states and information are improved; and through the arrangement of the cleaning device, the heat dissipation holes can be cleaned, so that dust and impurities in the air are not prone to falling on the heat dissipation holes to cause accumulation and blockage, and the heat dissipation effect of the heat dissipation holes is improved.

The invention discloses positive lead paste for a lead storage battery and a preparation method of the positive lead paste. The formula of the positive lead paste comprises lead powder, dilute sulphuric acid, water and an additive, and the additive comprises the following components in parts by mass: 2-6 parts of manganese dioxide / three-dimensional carbon-based composite electrode material, 1-2 parts of antimony trioxide, 1-2 parts of stannous mono-sulphate, 20-50 parts of red lead and 0.8-1.2 parts of polyester fiber. The manganese dioxide / three-dimensional carbon-based composite electrode material is adopted to replace conductive graphite and other conductive carbon materials, the conductivity is good, a stable three-dimensional structure is achieved, the active substance structure can be fixed during discharging, the positive active substance is effectively prevented from being softened, and the service life of the battery is prolonged; manganese dioxide has an oxidation catalysis function and can catalyze the efficiency of converting lead sulfate into lead dioxide, so that the charging capacity of the positive plate is greatly improved during charging, and side reactions are reduced; the composite electrode material has high specific capacitance, and the discharge capacity of a positive plate is improved during discharge.

The invention discloses a flexible charging pile charging system, device and method based on situation awareness and interaction control, and relates to the technical field of flexible charging piles, the flexible charging pile charging system comprises a processing module, a sensing module, a control module, a communication module, a power supply module, a monitoring protection module and a remote module; the processing module is used for carrying out edge calculation processing operation and self-adaptive power calculation when a plurality of electric vehicles are charged at the same time; the sensing module monitors each parameter of the charging system; the control module performs power control operation on the charging system; the communication module performs data exchange by using a line carrier and an interface protocol; the power supply module provides an alternating current power supply; the monitoring protection module monitors the charging system in real time; the remote module is connected with the Internet of Things platform through a wireless Internet of Things communication interface and a protocol; through mutual cooperation of all the modules, the system can operate on an existing single-phase or three-phase power line, and the purpose of charging multiple electric vehicles at the same time is achieved.

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.

The invention belongs to the technical field of flue gas purification, and particularly relates to an eddy current polar plate electric precipitator equipped with a pre-charging device and a working method thereof.The electric precipitator comprises an air inlet pipe, a shell and an air outlet pipe and further comprises the pre-charging device, an eddy current type dust collection polar plate and an ultrasonic coagulation layer, and the eddy current type dust collection polar plate is arranged in a dust collection chamber of the shell. The pre-charging device is close to the air inlet pipe, a first flow equalizing plate layer is arranged at the front end of the pre-charging device, a second flow equalizing plate layer is arranged at the rear end of the pre-charging device, and the pre-charging device comprises a plurality of sets of hanging mechanisms, cathode wires, vibrators and a pre-charging support. The plurality of vortex type dust collection polar plates are arranged in a staggered manner in the airflow direction, the discharge electrodes are arranged in front of and on the side surfaces of the vortex type dust collection polar plates, and a detachable filter screen is arranged between the ultrasonic coagulation layer and the air outlet pipe. Pre-charged dust enters the vortex polar plate dust collection area through the flow equalizing plate and is subjected to ultrasonic coagulation, the dust collection efficiency is greatly improved, and ultra-clean emission can be achieved.

The invention relates to the technical field of batteries, in particular to a negative electrode material and a preparation method and application thereof. The negative electrode material comprises a base material and a composite coating layer coated on the surface of the base material, the base material comprises a compound of graphite and hard carbon, the base material has a porous structure, the composite coating layer comprises a first coating layer coated on the surface of the base material and a second coating layer coated on the surface of the first coating layer, the first coating layer includes a carbon material and a conductive agent, and the second coating layer includes a lithium-containing compound. In the negative electrode material provided by the invention, the matrix material comprises the compound of graphite and hard carbon, has abundant porous structures and defects, can increase lithium intercalation channels of lithium ions in particles, and improves the fast charging capability; the composite coating layer can effectively improve defect interface conductivity, reduce overall cross-linking impedance, improve the transmission capacity of Li < + > between carbon layers, promote Li < + > desolvation in SEI and improve the graphite fast charging performance.

The invention relates to an intelligent door lock charging control method and device, computer equipment and a storage medium, and the method comprises the steps: monitoring the electric quantity of a door lock in real time, and triggering a charging request signal under the condition that the electric quantity of the door lock is lower than a preset low electric quantity threshold value; according to the charging request signal, door lock orientation information and alignment angle information are obtained, a light source emission angle is adjusted according to the door lock orientation information and the alignment angle information, and a charging instruction is generated; adjusting light source emission intensity and starting light source emission according to the charging instruction; and under the condition that the electric quantity of the door lock reaches a preset high electric quantity threshold value, the charging process is stopped, and corresponding charging information is recorded. The method has the effect of improving the charging efficiency of the intelligent door lock.

The invention relates to an automobile emergency starting power supply, which relates to the technical field of automobile power supplies, and comprises a power supply assembly, a state monitoring assembly, an environment monitoring assembly and a charging controller, the power supply assembly comprises an energy storage battery, a charging output interface, a charging input interface and an automobile emergency output interface; the state monitoring assembly is used for obtaining state information of an automobile storage battery. The environment monitoring assembly is used for acquiring operation environment information; the charging controller is used for uploading the state information and the operation environment information to the cloud platform, and the cloud platform is used for obtaining initial charging parameters and judging whether the initial charging parameters are adjusted or not according to the state information and the operation environment information of the automobile storage battery, if not, the initial charging parameters are issued to the charging controller, and if yes, optimal charging parameters are generated; and issuing; the charging controller is further used for controlling the energy storage battery to charge the automobile storage battery based on the initial charging parameter or the optimal charging parameter, and the reliability of the automobile emergency starting power supply is improved.

The utility model discloses a battery pole piece, a battery cell and a lithium ion battery, and relates to the technical field of battery pole pieces. The battery pole piece comprises a current collector and an active substance layer, and the active substance layer is coated on one surface or two surfaces of the current collector; wherein the surface of the active material layer is provided with a plurality of holes, and the plurality of holes are filled with solid electrolyte. According to the battery pole piece, the holes are filled with the solid electrolyte, and the solid electrolyte cannot be consumed in the later period of battery circulation, so that the problem of open circuit of an ion transmission channel of the battery pole piece is solved, and meanwhile, the use amount of the electrolyte can be reduced. In addition, since the solid electrolyte is used for filling, the ionic conductance of the lithium ion battery is slightly influenced by temperature, so that the charging capacity of the lithium ion battery at low temperature is improved.

The utility model discloses a wireless charging coil module, which comprises a base provided with a first surrounding-shaped concave part and a second surrounding-shaped concave part surrounding the first surrounding-shaped concave part; the sensing coil is arranged in the first surrounding-shaped concave part; the magnet is arranged in the second surrounding-shaped concave part; wherein the base is integrally formed by ferrite, so that the wireless charging device has higher efficiency and low temperature rise, and the reliability, the safety and the convenience are improved.

The utility model relates to the technical field of unmanned aerial vehicle airports, in particular to a portable unmanned aerial vehicle airport. The unmanned aerial vehicle can be buffered during landing, the unmanned aerial vehicle can be clamped during charging, the temperature in the box body is controlled, and the charging effect of the unmanned aerial vehicle is improved. The multifunctional box comprises a box body, universal wheels, a control panel and the like, four universal wheels are arranged at the bottom of the box body, and a control panel is arranged on one side of the box body. The unmanned aerial vehicle is manually controlled to hover over the box body, then four electric sliding blocks, a temperature detector, a fan, a charging panel and an electric push rod are manually started on a control panel, in this way, the unmanned aerial vehicle can be buffered during landing, and it is avoided as much as possible that the unmanned aerial vehicle suddenly collides with the box body due to external influences, and consequently the unmanned aerial vehicle is damaged; and meanwhile, the unmanned aerial vehicle can be clamped during charging, and the temperature in the box body can be controlled, so that the charging environment of the unmanned aerial vehicle is better, and the charging effect of the unmanned aerial vehicle is improved.

The utility model provides a kind of switching power supply circuit and charging device, the utility model provides switching power supply circuit including at least one switch control path, the switch control path includes: voltage input unit and voltage regulating unit.Voltage input unit connects alternating voltage input source, receives alternating voltage, and based on the alternating voltage output direct current output voltage;Voltage regulating unit is parallel with the voltage input unit, and output end connects load, for the output voltage is voltage-regulated and handled, and the output voltage after voltage-regulated handling is used to charge load.The switching power supply circuit of the utility model can improve the charging performance of charging device, for example, charging pile, and circuit design structure is simple, easy to realize, and cost is lower.

The invention relates to a charging control method, and the method comprises the steps: querying a corresponding first charging request current and a first clamping voltage according to the temperature information, the remaining electric quantity and the maximum monomer voltage of a battery monomer at the current moment, setting a voltage adjustment threshold value according to the first clamping voltage, and controlling the charging of the battery when the monomer voltage is monitored to be greater than or equal to the voltage adjustment threshold value. And the derating amount of the charging request current is determined according to the voltage adjusting threshold value and the first clamping voltage, a second charging request current is obtained through calculation according to the first charging request current and the derating amount, and the second charging request current is sent to the charging pile. Taking the maximum single battery voltage as an adjusting target, adjusting a second charging request current for the charging pile in the battery charging process, and by setting a voltage adjusting threshold value, performing derating adjustment on the charging request current when the single battery voltage does not reach a voltage clamping point; the step problem of request multiplying power jump caused by voltage clamping is solved, the battery charging capacity is improved, and the charging remaining time is shortened.

The invention provides an electrical control method and system for a special chassis of a closed livestock and poultry vehicle and a vehicle control unit, and belongs to the technical field of automotive electronics. The method comprises the steps that based on the difference value between the output voltage of a generator and the terminal voltage of a storage battery and the difference value between the output current of the generator and the charging current of the storage battery, a comprehensive difference value grade is determined; when the whole vehicle operation condition is that the load is smaller than a preset load threshold value, the comprehensive difference value is graded in a preset difference value high interval, and the residual electric quantity of the storage battery is in a preset high electric quantity interval or a middle electric quantity interval, the generator is controlled to increase the output voltage and the output current; and controlling an engine controller to increase the rotating speed of an engine under the conditions that the load is greater than a preset load threshold value, the comprehensive difference value is graded in a preset high difference value interval and the residual electric quantity of the storage battery is in a preset low electric quantity interval. The problem that the power supply capacity of the ventilation system is greatly reduced after the charging and discharging times of the storage battery exceed the design requirement can be solved.

The utility model relates to the technical field of secondary batteries, and provides a pole piece and a battery. The pole piece comprises a current collector, an active substance layer arranged on the surface of the current collector and an inorganic particle layer arranged on the surface, far away from the current collector, of the active substance layer, wherein the particle size of inorganic particles in the inorganic particle layer is 10-50 nm; the inorganic particle layer and the active material layer are provided with grooves. The battery formed by the pole piece disclosed by the utility model is high in energy density, high in capacity retention ratio and high in charging speed.

The invention relates to the field of motor home high-voltage energy storage, in particular to a direct-current fast charging device for a motor home double-pack energy storage system and a control method of the direct-current fast charging device. The motor home double-pack energy storage system is charged through external power supply equipment, and the external power supply equipment comprises a new energy automobile direct-current charging pile; the motor home double-pack energy storage system comprises double high-voltage battery packs, an all-in-one controller, a direct-current quick charging pile and a direct-current quick charging device. Direct current output by the new energy automobile direct current charging pile efficiently charges the double-high-voltage battery pack through the direct current quick charging device. And the direct current output by the high-voltage battery pack is converted into 12V direct current and 220V alternating current through the all-in-one controller, so as to supply power to 12V direct current and 220V alternating current electric equipment. According to the direct-current fast charging device and the control method thereof, direct-current fast charging of the double packs can be effectively and reasonably controlled according to the devices of the motor home energy storage system and real-time working conditions, the charging efficiency is improved, the charging capacity of the double packs is improved, and the service life of the double packs is prolonged.

The utility model discloses a display panel and a display terminal. The display panel comprises a substrate and a thin film transistor, the thin film transistor comprises an active part, a gate insulating layer and a gate electrode, and the active part comprises a main body part and an edge part; the gate insulating layer is arranged on one side of the active part and comprises a first insulating part aligned with the main body part and a second insulating part aligned with the edge part; the gate is arranged on the surface of the gate insulating layer away from one side of the active part; wherein the orthographic projection of the second insulating part on the substrate at least covers the orthographic projection of the edge part on the substrate, and the capacitance of the gate oxide layer corresponding to the second insulating part is smaller than that of the gate oxide layer corresponding to the first insulating part. The capacitance of the gate oxide layer corresponding to the second insulating part is set to be smaller than the capacitance of the gate oxide layer corresponding to the first insulating part, so that the thin film transistor corresponding to the edge part is more difficult to open, the influence of a hump effect is reduced, the current of the thin film transistor in a working interval is increased, and the charging capability of the thin film transistor is improved.

The invention provides a multiplexing circuit, a multiplexing module, a display device and a driving method. The multiplexing circuit is electrically connected with M data voltage supply ends and multiple columns of data lines, the multiplexing circuit comprises N multiplexing control lines and N multiplexing circuits, and the nth multiplexing circuit comprises M multiplexing sub-circuits; the nth multiplexing control line comprises M control lines; an mth multiplexing sub-circuit included in the nth multiplexing circuit is electrically connected with an mth control line included in the nth multiplexing control line, an mth data voltage supply end and a corresponding data line, and is used for writing a data voltage provided by the mth data voltage supply end into the corresponding data line under the control of a control signal provided by the mth control line; n and M are integers greater than 1, n is a positive integer less than or equal to N, and m is a positive integer less than or equal to M. According to the invention, under the condition that the resolution ratio of a display product is not changed, the use number of data drivers is reduced.

The application provides a segmented charging method and detonation system of an electronic detonator, which comprises the following steps: a detonator performs detonation password authentication on the electronic detonator; after the authentication is completed, the detonator generates a segmented charging instruction according to the number of the electronic detonators with a load, and outputs a charging current; the electronic detonator acquires the segmented charging instruction sent by the detonator, and determines a charging mask according to the segmented charging instruction; the electronic detonator generates a charging time threshold according to the charging mask and the identity mark of the electronic detonator; the electronic detonator cyclically compares the charging time threshold with a preset delay variable, when the charging time threshold is greater than or equal to the preset delay variable, the value of the preset delay variable is increased by a fixed value at intervals of a preset delay duration, until the charging time threshold is less than the delay variable, and the charging current is accessed.

The application discloses a kind of composite positive plate and lithium ion battery and preparation method.The composite positive plate includes positive current collector;Positive current collector surface is coated with positive active material layer;Positive active material layer surface is coated with solid electrolyte layer;Positive active material layer includes positive active material, oxide solid electrolyte, conductive agent, dispersing agent and binder and the mass ratio of these components is (91.9%~97.45%): (0.5%~5%): (1%~1.5%): (0.05%~0.1%): (1%~1.5%);Solid electrolyte layer includes oxide solid electrolyte, conductive agent, dispersing agent and binder and the mass ratio of these components is (13.9%~70.9%): (13.2%~49.2%): (0.6%~3.8%): (13.2%~49.2%);The application is conducive to guaranteeing battery thermal safety while significantly improving battery fast-charging capability.

This invention provides an embedded electric tiltrotor drone laser power supply device, including a groove on the bottom surface of the drone. A laser charging plate is embedded in the groove and connected to the drone's battery. One end of the laser charging plate is the front end, the other end is the rear end, and the lower surface is the laser receiving end. The front end of the laser charging plate is rotatably mounted in the groove via a horizontal shaft perpendicular to the central axis of the tiltrotor drone. The rear end of the laser charging plate is mounted to the drone via a linkage structure driven by a motor, which rotates the laser charging plate downwards around the shaft. In this invention, the laser charging plate at any position can be adjusted to face the laser beam from the ground, improving the laser receiving effect of the laser charging plate, thereby improving the photoelectric conversion efficiency and the charging effect of the drone battery.

The invention relates to a pure electric tractor charging control method and device, electronic equipment and a medium, and the method comprises the steps: calculating a deviation value between a first battery SOC (State of Charge) corresponding to a pure electric tractor and a preset second battery SOC when the pure electric tractor has a vehicle use demand within the remaining full charging time corresponding to the current charging and discharging times; when the deviation value is larger than a set threshold value, the battery of the pure electric tractor is controlled to be charged according to a first charging strategy, and when the deviation value is not larger than the set threshold value or the second battery SOC cannot be obtained, the battery of the pure electric tractor is controlled to be charged according to a second charging strategy. By means of the method, on the premise that the precision of the SOC of the battery is guaranteed, the charging time is selectively shortened, and the pure electric tractor can be used for the working condition for a longer time in the using process of the whole machine in the continuous working condition.

This invention belongs to the field of wastewater treatment technology, specifically relating to a method and apparatus for removing COD from high-salt, high-organic-content wastewater. The removal method employs two organic matter retention membranes connected in series to treat the high-salt, high-organic-content wastewater. By controlling appropriate process conditions, these organic matter retention membranes primarily retain organic matter while retaining as little salt as possible, ensuring stable operation of subsequent processes or achieving compliant wastewater discharge. Furthermore, the concentrate obtained after treatment by each organic matter retention membrane is returned in a specific proportion to the inlet of the membrane that produced the concentrate, thereby ensuring efficient and stable membrane operation, improving system recovery rate, and extending membrane lifespan. This invention achieves COD removal from high-salt, high-organic-content wastewater using only a single process, exhibiting high removal rate, good decolorization effect, and high recovery rate. It significantly shortens the process flow and is characterized by being green, efficient, energy-saving, environmentally friendly, and highly reliable.

The present disclosure provides a charging socket for high-precision centering of a terminal and a motor vehicle. The charging socket is provided with a cavity for accommodating a charging terminal, a gap is provided between an inner peripheral wall of the cavity and an outer peripheral wall of the charging terminal, a supporting elastic sheet is disposed in the gap, and the supporting elastic sheet is provided in a peripheral direction of the charging terminal and configured to restrict an axis of the charging terminal from deviating from an axis of the cavity. According to the charging socket in the present disclosure, mating plugging terminals may be automatically centered at a high precision, so that the mating plugging terminals can be completely plugged and contacted, thereby reducing a contact resistance between the charging terminal and the mating plug-in terminal, improving the electrical performance of the charging socket, reducing a risk of fire and combustion of the charging socket during charging, and prolonging a service life of the charging socket.

The invention discloses a preparation method of a transparent perovskite thin film with a high fill factor, and relates to the technical field of perovskite solar cells. The preparation method comprises the following steps: placing a heated low-boiling-point solvent in spin-coating equipment, and enabling the spin-coating equipment to be filled with a steam atmosphere of the low-boiling-point solvent; preparing a perovskite solution based on CsI, PbBr2 and PbI2; and placing the electron transport layer substrate on a rotating platform of spin-coating equipment, spin-coating the electron transport layer substrate with the perovskite solution, and carrying out heating treatment to prepare the transparent perovskite thin film with the high fill factor. The perovskite thin film is prepared in the low-boiling-point solvent atmosphere, and the formed perovskite solar cell is larger in filling factor and better in charging performance. According to the invention, the heated low-boiling-point solvent is placed in the spin-coating equipment, so that compared with a method of directly mixing the low-boiling-point solvent with the perovskite solution, the formed perovskite film has higher light transmittance, and the fill factor of the solar cell is larger.

The present invention provides a positive electrode active material for nonaqueous electrolyte secondary batteries, said positive electrode active material contributing to the achievement of a good balance between charge capacity and thermal stability. This positive electrode active material contains a lithium metal composite oxide which is represented by general formula xLiyNizM1-zO2-(1-x)LiwNizM1-zO2 (wherein 0.1 < x ≤ 1, 1.5 ≤ y ≤ 2.5, 0.4 < z ≤ 0.9, 0.9 ≤ w ≤ 1.5, and M represents one or more elements that are selected from the group consisting of transition metals, Al, Si, Sn, Ge, Sb, Bi, Mg, Ca and Sr); and the lithium metal composite oxide has a layered structure, while comprising Li element that is coordinated to the position of the oxygen tetrahedron.

The invention relates to the technical field of electric power operation and maintenance, and particularly discloses a wireless charging system for a substation inspection robot, and the system comprises a charging pedestal which comprises a transmitting end rectification circuit which is used for converting an input alternating current into a direct current; the high-frequency inverter circuit is used for converting the direct current into high-frequency alternating current; the transmitting coil is used for generating a high-frequency electromagnetic field to realize energy transmission; the inspection robot comprises a receiving coil used for receiving the high-frequency electromagnetic field generated by the transmitting coil and converting the high-frequency electromagnetic field into electric energy; the receiving end rectifying circuit is used for converting the high-frequency alternating current received by the receiving coil into direct current; and the lithium battery is used for storing the direct current electric energy output by the receiving end rectifying circuit. According to the wireless charging system for the substation inspection robot, the environmental adaptability and safety of the inspection robot can be improved, the equipment failure rate is reduced, and the efficiency and quality of substation operation and maintenance work are further improved.

The embodiment of the invention provides a negative active material and a preparation method thereof, a negative pole piece, a battery and an electric device. The negative electrode active material comprises a carbon material and a catalytic material and / or a lithium-loving material attached to the surface of the carbon material, the catalytic material and / or the lithium-loving material comprises a coordination compound A-Dx, and x is greater than or equal to 1 and less than or equal to 6; wherein the element A comprises at least one of a metal element with a catalytic property or a metal element with a lithium-philic property, and the element D comprises at least one of N, S, B, F or O. According to the technical scheme, the fast charging performance of the battery can be improved.