21results about How to "Improve charging effect" patented technology

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 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.

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 invention discloses a charging control method, electronic equipment, an electric energy device and a storage medium, and the charging control method comprises the steps: obtaining a target charging path of a battery from a current state to a target state according to the current state information of the battery, the target charging path is the estimated charging path with the shortest charging time in a plurality of estimated charging paths for charging the battery from the current state to the target state; and controlling battery charging according to the target charging path. The method can shorten the battery charging time as much as possible and improve the charging speed, thereby improving the battery charging capability.

This application provides a battery charging strategy decision-making method and related equipment, belonging to the field of battery charging control technology. The method includes acquiring external state data of the target battery during operation; estimating basic state parameters and extracting multi-scale features based on the external state data to obtain a first input vector, where the basic state parameters include state of charge and ohmic internal resistance, and the multi-scale features include charging cycle state, battery internal polarization, and aging parameter features; using a neural network-based internal state field inference model to infer the internal state data of the target battery from the first input vector; determining a second input vector based on the external state data, internal state data, state of charge value, and configured charging target; and using a Transformer multi-objective decision-making model to optimize the charging strategy on the second input vector to obtain the optimal charging strategy. This application can improve the robustness of the battery charging strategy decision-making algorithm in the face of battery aging.

The invention relates to a charging method and device, electronic equipment, a storage medium and a computer program product. The method comprises the following steps: in response to a charging event detected by the electronic equipment in a first cycle period, determining whether a target time unit is in the first cycle period or not; wherein the target time unit is determined by the charging duration of each time unit of the electronic equipment in at least one second cycle period, and the second cycle period is before the first cycle period; and in response to the condition that the electronic equipment is located in the target time unit, charging the electronic equipment according to a charging parameter corresponding to the target time unit in the target time unit in the first cycle period. The charging parameter of the electronic equipment can be matched with the habit of using the electronic equipment by the user, and the charging effect is improved by dynamically determining the charging parameter according to the habit of using the electronic equipment by the user in different time units.

The application discloses a liquid crystal grating and a holographic three-dimensional display device. The liquid crystal grating comprises a plurality of first electrodes, a first driving circuit for providing a driving signal for the first electrodes, and a first driving circuit comprising a first switch unit, a second switch unit and a storage unit. A first input end of the first switch unit receives a data signal, and a second input end of the second switch unit receives a first signal. A first plate of the storage unit is electrically connected to the first electrode, and the first plate is also electrically connected to a first output end of the first switch unit. A second plate is electrically connected to a second output end of the second switch unit. In a charging stage in a driving cycle of the liquid crystal grating, the second switch unit transmits a first level signal to the second plate. In a charge pumping stage in the driving cycle of the liquid crystal grating, the second switch unit transmits a second level signal to the second plate. The first level signal and the second level signal have different potentials. The application can simplify the circuit structure.

The utility model relates to power supply equipment technical field, concretely provides a mobile power source convenient to radiate heat, include: casing and set up circuit board, wireless charge module, radiator and heat conduction spare in casing, circuit board connects radiator and wireless charge module respectively, radiator has air inlet and air outlet, and radiator is used for producing the air current of along air inlet flow of air inlet path and produces the air current of along air outlet flow of air outlet, heat conduction spare and wireless charge module contact to absorb the heat that wireless charge module produced, one of circuit board and heat conduction spare is located on air inlet path, and the other is located on air outlet path, the utility model discloses the reasonable setting of radiator, based on the air current of air inlet and air outlet that the radiator produced realizes the synchronous radiating heat of circuit board and wireless charge module, effectively improved the overall radiating performance of mobile power source.

The invention provides a capacitor charger based on an LCC resonance circuit, the LCC resonance circuit adopts a constant frequency-constant power working mode, and the constant frequency-constant power working mode comprises the following steps: when the LCC resonance circuit works at the maximum output power, the output current of the LCC resonance circuit is controlled by adopting a frequency conversion mode so as to maintain the maximum output power state; when the output power of the LCC resonant circuit falls from the maximum output power, the open frequency of the LCC resonant circuit is maintained at the maximum switching frequency, so that the time for maintaining the maximum peak output power of the charging system can be prolonged, and after the charging system falls from the maximum power state, the fastest charging speed is maintained, and the charging efficiency is improved. The power capacity of components can be saved, the performance of the circuit is improved, and the charging effect is improved.

This disclosure discloses a battery charging preheating method and apparatus, a vehicle, electronic equipment, and a storage medium. After determining the vehicle's charging intention information by responding to a charging command, the method acquires the current battery state information and the current ambient temperature. The current battery state information and current ambient temperature are input into a simulation model of the target preheating temperature to obtain the target preheating temperature. Real-time vehicle driving parameters and historical driving information are input into the simulation model to obtain the target time required to heat to the target preheating temperature. Based on the required time to heat to the target preheating temperature, the start time for battery preheating is determined. Upon reaching the start time for battery preheating, the battery is controlled to preheat to the target preheating temperature. This disclosure enables dynamic adjustment of battery preheating, minimizing energy consumption while ensuring the battery temperature is within the optimal charging range when the vehicle reaches a charging station, ensuring the vehicle does not lose excessive driving range and improving battery charging performance.

This invention discloses a graphite material, its preparation method, and its applications. The graphite material includes a matrix and a coating layer. The matrix is ​​artificial graphite, and the coating layer is made of carbon quantum dots, a lithium replenishing agent, and a coating agent. This invention provides a soft carbon-coated graphite with a synergistic effect of compounded carbon quantum dots, lithium replenishment, and etching. The carbon quantum dots can act as conductive agents and contain abundant functional groups. After lithiation, they are compounded to achieve a lithium replenishment effect. The alkaline carbon quantum dot solution etches the graphite surface at high temperatures during the carbonization process, which can improve the disorder of the graphite surface without increasing the content of the coating agent to increase the disorder of the graphite surface. The prepared fast-charging graphite has significantly improved rate charging performance without reducing the initial coulombic efficiency.

The application relates to the technical field of battery charging, and provides a low-temperature environment intelligent terminal charging method and device, an intelligent charger and a medium, the method comprises the following steps: when a charging signal is detected and when a real-time environment temperature is less than a preset low-temperature threshold, outputting a preheating current to preheat a battery; after preheating is started for a preset first time period, periodically acquiring a real-time battery temperature and a real-time wind speed intensity of the intelligent terminal; compensating the real-time battery temperature according to the real-time environment temperature, the real-time wind speed intensity and material data of the battery to obtain a real-time compensation temperature; and adjusting charging parameters of the intelligent charger based on the real-time compensation temperature, and charging the battery based on the charging parameters. The application simultaneously considers the environment temperature, the wind speed intensity and the battery material, improves the accuracy of temperature compensation, can accurately adjust the charging parameters, and improves the charging effect of the intelligent terminal.

The invention discloses a charging method of an intelligent ring and a charging box, and relates to the technical field of intelligent wearable equipment, and the charging method of the intelligent ring comprises the following steps: putting the intelligent ring into the charging box; the charging box identifies the type of the disassembly and assembly module in the assembly groove; if the disassembly and assembly module is a functional module, the charging box charges the battery body with default charging parameters; and if the disassembly and assembly module is a battery module, the charging box adjusts the charging parameter of the charging coil, and the charging coil charges the battery body and the battery module in the assembly groove through the charging seat. According to the invention, the charging box detects the type of the disassembly and assembly module in the assembly groove, and when the battery module is in the assembly groove, not only the battery body but also the battery module need to be charged, so that charging parameters need to be adjusted to avoid the conditions of insufficient charging duration, unstable charging current and the like; and the charging stability and the charging effect of the intelligent ring are improved.

The utility model discloses a solar cold-resistant intelligent luminous traffic sign, and relates to the technical field of traffic safety and new energy application. In order to overcome the technical defect that a traffic sign board scheme which can adapt to an extremely cold environment, realize intelligent power consumption management, have remote monitoring capability and emit light stably is lacked in the prior art, the technical scheme provided by the utility model is as follows: the solar cold-resistant intelligent light-emitting traffic sign board comprises a solar cell panel, the power supply is mounted at the top of the signboard and used for collecting light energy; the light-emitting signboard is arranged on the supporting structure, is internally provided with an LED light-emitting assembly and is used for displaying traffic sign information; the control module is used for adjusting the luminance according to the illumination intensity and controlling the operation state; and the cylindrical supporting steel pipe is used for supporting the luminous signboard, is provided with a flange plate at the bottom and is fixedly connected with the ground. The system can be used in a road traffic sign illumination and intelligent monitoring system in a cold region.

The application discloses a kind of photovoltaic power generation energy storage control systems, belong to the technical field of electric energy storage, the application is equipped with energy storage circuit and regulation and control structure, energy storage circuit can make photovoltaic emitted electric energy, in user end and energy storage end real-time switching, regulation and control structure includes horizontal plate, photovoltaic module is evenly arranged between horizontal plate, worm is penetrated in horizontal plate, worm gear is also evenly arranged in horizontal plate, the lower surface of photovoltaic module is fixedly connected with bottom plate, by the rotation of worm and worm gear, photovoltaic module can be driven bottom plate and photovoltaic module swing back and forth, so that photovoltaic module real-time faces sunlight, so that photovoltaic module emitted electric energy is always at maximum value, while not affecting user end power consumption, energy storage end battery charging can also be considered, improve the charging effect and charging efficiency of battery during daytime photovoltaic power generation.

The utility model discloses a kind of high compatibility TYPE-C interface with protocol indication identification battery pack charging scheme, comprising: Type-C interface, set to the front end of device shell surface, including VBUS pin, D+ pin, D- pin, CC pin and ground pin, for connecting external power supply;Protocol control unit, in the middle part of circuit board, its input end is connected to the VBUS pin of Type-C interface by first wire L1, for real-time monitoring input voltage;Compatible with various mobile phone fast charging, especially QC2.0 such popular rate high cannot be fine-tuned charger and ordinary USB charger to multi-section series-parallel connection battery charging, save earth resources, reduce the property safety accident and personal safety accident caused by using inferior charger, accelerate the popularization of TYPE-C in charging industry, because control unit directly samples battery voltage and charging current, improve the charging effect of battery and the life of battery.

This invention discloses a FOD (Foreign Object Defect) metal foreign object temperature rise testing system and method for wireless fast charging modules based on a robotic arm. The system includes a data acquisition and control device, a first robotic arm, a second robotic arm, a test mobile phone, a sample fixture, a temperature measuring instrument, and a metal foreign object. The movable end of the first robotic arm is equipped with a mechanical gripper. The test mobile phone is mounted on the movable end of the second robotic arm, and the probe of the temperature measuring instrument is fixedly installed inside the metal foreign object. This method, by setting the coordinate points of the robotic arms, ensures that the metal foreign object and the test mobile phone are placed in the correct positions. This solves the problem of errors in the placement of the mobile phone during testing due to manual operation, which can cause the phone to fail to operate in the correct charging area. This ensures the optimal charging effect of the tested wireless fast charging module sample and makes the working process of the tested wireless fast charging module sample more closely resemble actual application scenarios. This invention can achieve unattended execution of a large number of repetitive tests.

This utility model relates to the field of landslide monitoring and early warning technology, and discloses a multi-layer sliding surface landslide monitoring and early warning device. The device includes a base with a through-hole at the center of the top of the base, a bracket installed on the top, and a fixed column fixedly connected to the top of the bracket. A multi-layer sliding monitoring mechanism is provided on the surface of the base and the bracket. An automatic tracking power supply mechanism is provided on the top of the fixed column, and an audible and visual alarm mechanism is provided on the surface. The monitoring mechanism drives the drill rod to drill into the soil through a hydraulic cylinder. It uses fiber optic displacement sensors, acceleration sensors, and soil moisture sensors to monitor the landslide status from multiple dimensions. A honeycomb permeable protective cover and other structures ensure the stable operation of the sensors. The automatic tracking power supply mechanism adjusts the orientation of the solar panel through a photosensitive sensor and a servo control motor to improve charging efficiency. The audible and visual alarm mechanism emits audible and visual signals when the monitoring data reaches the early warning threshold. This device can realize real-time monitoring of multi-layer sliding surfaces, has a long-lasting power supply, and provides timely early warning, making it suitable for field landslide monitoring.