14results about How to "Guaranteed charging efficiency" patented technology

The invention relates to the technical field of power distribution, in particular to a power distribution method and device for a non-condensation environment of a flexible charging pile and computer equipment. Comprising the following steps: acquiring temperature and humidity data inside and outside a charging pile through a sensor, and correcting and calibrating the data based on an external environment fluctuation factor to obtain accurate temperature and humidity distribution data; analyzing temperature distribution, identifying an area with a relatively large temperature gradient, generating an airflow adjustment scheme, and adjusting an internal airflow to enable a temperature field to tend to be uniform; monitoring the temperature and humidity data of the key part, judging the water vapor adhesion probability, and performing local dehumidification or heating intervention when necessary; and the change trend of the electrical insulation performance is continuously monitored, the airflow strategy is optimized, self-adaptive power distribution and airflow adjustment are carried out according to the optimization result, and stable operation of the charging pile is ensured. According to the invention, the problem of water vapor adhesion possibly caused by the charging pile in a non-uniform temperature and humidity environment is solved, and stable and efficient operation of the charging pile in a complex environment is realized.

The present application relates to liquid cooling heat dissipation technical field, specifically propose a kind of liquid cooling cooling system of charging pile, comprising: liquid cooling part, transfer part and heat removal part;Liquid cooling part is set on power module, and it is provided with flow channel for fluid passing in it;Transfer part is provided with transfer cavity for fluid passing, and the water inlet of flow channel is communicated with transfer cavity, and the water outlet of flow channel and transfer cavity are connected in parallel with first channel and second channel;Heating assembly is provided in transfer cavity;Heat removal part is set on first channel;When the temperature of fluid is higher than first preset temperature, first channel opens, and second channel closes;When the temperature of fluid is lower than second preset temperature, second channel opens, and first channel closes.Overcome the problem of waiting for temperature to rise, avoid the temperature of power module too low and cannot normally start, improve cooling efficiency, also can avoid temperature too low, so as to maintain the temperature of power module in normal range, to ensure charging efficiency.

The utility model provides a vehicle charging seat, which relates to the technical field of connectors, and comprises an integrally formed hollow base shell, the side wall of the base shell is provided with an insertion port, an installation cavity communicated with the insertion port is formed in the base shell, and the top of the base shell is provided with a plurality of installation holes penetrating through the installation cavity. Each mounting hole is provided with an upper port positioned above the mounting cavity and a lower port positioned below the mounting cavity; the PCB is inserted in the longitudinal direction through the insertion opening and is fixed in the mounting cavity, and one end of the PCB extends to the insertion opening and forms an electric connection part used for being connected with external equipment; each terminal penetrates through the upper port of the corresponding mounting hole from top to bottom and is inserted into the lower port, and the part, located in the mounting cavity, of each terminal is electrically connected with the PCB. The vehicle charging seat adopts the integrally formed hollow base shell, so that the number of parts of a product is reduced. The production cost is reduced, the assembly process is simplified, and the production efficiency is improved.

The utility model discloses a wireless charging device, which comprises a receiving coil, a receiving coil shell, a transmitting coil, a transmitting coil shell and a connecting piece, the receiving coil is arranged in the receiving coil shell; the transmitting coil is arranged in the transmitting coil shell; when the transmitting coil shell is moved to the receiving coil shell and the transmitting coil shell and the receiving coil shell are aligned to a preset position through the connecting piece, the transmitting coil and the receiving coil directly face each other and are in a matched state, and the gap and the offset between the transmitting coil and the receiving coil are smaller than or equal to a set threshold value. According to the utility model, the coil dislocation during charging can be reduced, the coil area can be reduced, the requirement for foreign matter detection can be reduced, and electromagnetic radiation can be reduced, so that the charging safety is ensured while the charging efficiency is ensured, and the manufacturing cost of the charging device is reduced.

This invention relates to the field of electric vehicle charging technology, and discloses an intelligent charging control method and storage medium based on battery health status perception. The method includes: continuously acquiring real-time battery status parameters and real-time charging current of the charging pile; generating a time-series input sequence based on the real-time status parameters, real-time charging current, and a predetermined dynamic internal resistance of the battery; inputting the time-series input sequence into a pre-trained long short-term memory network model to output a predicted battery health value and a risk factor; and adaptively adjusting the output power of the charging pile based on the predicted health value and the risk factor. In this invention, based on real-time assessment of the battery's current health status and risks, the output power of the charging pile is dynamically adjusted adaptively to prevent battery capacity degradation, reduce the risk of overcharging or overheating, and maximize battery life while ensuring charging efficiency, thereby improving the charging stability of the electric vehicle.

The present disclosure relates to a charging control circuit, method, device and storage medium. The charging control method comprises: determining a first temperature corresponding to a terminal; determining a second temperature corresponding to each charge pump chip in a charge pump chip set included in the terminal, and determining a target charging current to be distributed to the charge pump chip based on the first temperature and the second temperature; and adjusting the resistance value of a resistor connected in series with each charge pump chip in the charge pump chip set to drive the current of the charge pump chip to reach the target charging current. The charging control method provided by the embodiments of the present disclosure can reduce the charging temperature and improve the charging efficiency.

The application discloses a wearable electronic device, a charging device and an electronic product, the wearable electronic device comprising a shell and an electronic function assembly, the electronic function assembly comprising a first electric connection part and a user sign detection unit, the first electric connection part being electrically connected with the charging device, the shell being provided with a contact part facing a user, the user sign detection unit being arranged on a positioning boss of the contact part, the first electric connection part being arranged on a positioning protrusion of the contact part, an end surface of the positioning boss being circular, the positioning protrusion being connected with an outer edge in a circumferential direction of the positioning boss, and the contact part and the charging device being relatively fixed when the first electric connection part is electrically connected with the charging device. The contact part is matched with a positioning groove, so that the wearable electronic device and the charging device are relatively fixed, the charging efficiency between the charging device and the wearable electronic device is ensured, the structure between the first electric connection part and the contact part is relatively compact, the space of the wearable electronic device can be saved, and the miniaturization of the wearable electronic device is facilitated.

The utility model discloses a multifunctional power bank comprising a power bank assembly, the left and right sides of the power bank assembly are adhered and fixed with bandage assemblies, and the top surface of the power bank assembly is embedded and fixed with 6-8 solar panels; the power bank assembly comprises a lower shell, an upper shell and a battery jar fixedly connected to the upper surface of the lower shell. According to the multifunctional power bank, solar energy charging, multi-interface discharging, Bluetooth audio, LED lighting and adjustable bandage design are integrated, and solar energy utilization and multi-scene adaptation are achieved; the lithium battery pack and the charging controller work cooperatively, so that the charging safety and efficiency are guaranteed; the combination of the full-frequency loudspeaker and the wireless Bluetooth module provides high-quality audio experience; the RGB LED lamp panel and multi-stage brightness adjustment meet diversified illumination requirements; the magic tape design of the bandage assembly is convenient to carry and fix, the portability, functionality and user experience of the device are integrally improved, and the device is particularly suitable for outdoor and complex environments.

This application relates to the field of new energy vehicle charging control technology, and in particular to a vehicle-charging station coordinated charging control method, device, equipment, storage medium, and computer program product. The method acquires power battery status information collected from the vehicle side and sends this information to the charging side. The power battery status information includes parameters related to battery thermal state, charging state, and health state. Based on the power battery status information, the method determines the temperature evolution information of the power battery within a preset prediction range. Based on the power battery status information and temperature evolution information, the method determines the health degradation information of the power battery within the preset prediction range. Based on the temperature evolution information and health degradation information, the method generates corresponding coordinated risk characterization results. Based on the coordinated risk characterization results, the method determines corresponding charging adjustment commands and controls the charging side to adjust the charging of the power battery according to the charging adjustment commands.

The application discloses a battery charging method, a battery and an electric energy device. The charging method comprises the following steps: in a battery charging process, when a state of charge (SOC) of the battery reaches a first SOC range, in a range from a minimum boundary value of the first SOC range to a first set SOC, a charging rate of the battery is adjusted to decrease from a first charging rate to a second charging rate, and in a range from the first set SOC to a maximum boundary value of the first SOC range, the charging rate of the battery is adjusted to increase from the second charging rate to the first charging rate or a third charging rate. In the first SOC range, the battery is charged at a lower charging rate when being close to the first set SOC, so that the expansion force of the battery is reduced, and the service life of the battery is prolonged.

The utility model discloses a charging clamp for a secondary battery, and belongs to the technical field of battery charging equipment. The clamp comprises a positioning seat, a clamp assembly and a clamp base. A positioning groove is formed in the positioning seat, and the battery monomers are arranged in the positioning groove, so that accurate positioning is realized; the clamp assembly comprises a first clamp assembly and a second clamp assembly which are symmetrically arranged on the two sides of the positioning seat and are matched with each other to stably clamp the single battery from the two sides and charge the single battery; the positioning seat and the clamp assembly are both installed on the clamp base, and the clamp base provides support for the whole structure. According to the charging clamp, accurate positioning of the single battery is achieved through the positioning grooves, the battery is reliably clamped and charged through the first clamp assembly and the second clamp assembly which are symmetrical on the two sides, and the stability and high efficiency of the charging process of the secondary battery can be effectively guaranteed through overall supporting of the clamp base; therefore, the defects of a traditional battery charging clamp in the aspects of charging stability, battery protection, charging efficiency and the like are overcome.

This invention relates to a battery polarization state monitoring method and system. The battery polarization state monitoring method includes setting a relaxation time, locking the charging time, setting a battery temperature change rate threshold, a maximum temperature difference threshold, and a recovery charging rate; charging the battery; collecting the battery voltage and temperature; calculating the polarization internal resistance; obtaining the battery SOC; calculating and determining the polarization risk index PRI; if PRI < X, adjusting the charging current to a high rate current; if X ≤ PRI ≤ Y, executing a first-level strategy, and continuously monitoring the pulse internal resistance; if it exceeds the limit, entering a second-level strategy; if PRI > Y, executing a second-level strategy, calculating and determining the voltage recovery amount η; if η ≥ Z, resuming battery charging; if η < Z, executing a third-level strategy. This invention implements a three-level progressive control strategy based on the polarization risk index PRI, dynamically adjusting the charging current through linear current reduction, charging pause, and cooling lockout, which can more flexibly cope with different operating conditions and further optimize charging efficiency and operational safety.

The application discloses a kind of urban electric vehicle charging systems, including charging cabinet, charging gun, drive system and charging shed;Charging cabinet is connected with charging gun by connecting line, and charging gun is used to connect with electric vehicle;Beam is provided above the charging shed, connecting line is arranged inside the beam, and a plurality of drive systems are arranged below the beam, and the charging gun is fixedly arranged on the drive system.Through the technical scheme provided in the application, the first drive assembly and the second drive assembly are arranged to enable the charging gun to move quickly, thereby enabling the electric vehicle to be charged quickly and ensuring the charging efficiency.Furthermore, the technical scheme provided in the application does not have the problem of being easily eroded by rainwater and being blocked, and has good application prospect.