32results about How to "Avoid Overcharging Problems" patented technology

The present invention provides a multifunctional socket, which comprises a socket body. The socket body is provided thereon with a switch button and at least one USB interface. A three-phase plug and at least one three-hole / two-hole multiplexing jack are arranged on the socket. The three-phase plug is disposed directly on one side surface of the socket body or is connected with the socket body through a three-phase cable. The socket body is internally provided with a processor, a wireless communication unit, a rectifying and filtering transformer device, a self-adaptive charging device, and an over-charging protection device. The self-adaptive charging device and the over-charging protection device are respectively connected with the at least one USB interface. According to the technical scheme of the invention, the design on the appearance of the socket and the design on the internal functional circuit of the socket are combined in the diversified manner, so that the socket can be well applied to the usage for household users. Meanwhile, the multifunctional socket has a variety of intelligent functions and can be well combined with intelligent household equipment. Therefore, the user experience is improved.

The application relates to the technical field of production of energy storage devices, in particular to a secondary battery and a battery module; the secondary battery comprises a first terminal, a second terminal, a top cover plate, an electrode component, a connector and a flip plate; the battery module comprises a first electrode plate, a second electrode plate, and a partition between the first electrode plate and the second electrode plate; at least one of the first and second terminals is electrically insulated to the top plate; normally, the first electrode plate is electrically connected to the first terminal through the flip plate, and the second electrode plate is electrically connected to the first electrode plate; when inner pressure of the secondary battery is higher than a reference pressure, the flip plate can flip such that the flip plate is electrically disconnected to the first electrode plate, and the flip plate flipped is electrically connected to a connector such that the first and second terminals are electrically connected. According to the application, even if a vehicle is running, sudden flameout never occurs and vehicle safety is improved.

The invention relates to a control circuit, and discloses an intelligent charge-discharge control circuit of a battery. The intelligent charge-discharge control circuit comprises a charge input voltage detection circuit, a charge current control circuit, a battery voltage detection circuit and a large-current discharge control circuit, wherein the charge input voltage detection circuit is used for detecting an input charge voltage when the battery is charged; the charge current control circuit is used for controlling a current for charging the battery according to the previously detected charge voltage; the battery voltage detection circuit is used for monitoring voltages at two ends of the battery in a charging state; and the large-current discharge control circuit is used for discharging in battery operation. The intelligent charge-discharge control circuit has the benefits that an overcharge problem caused when a user charges a battery device by using the unmatched voltage is effectively avoided, so that the circuit is safe and reliable, and an explosion hidden danger of the battery in a charging state is completely eradicated; and the user does not need to distinguish the voltages of charging equipment when the battery is charged, so that the use is more convenient. For the electronic cigarette industry, a consideration for types of adapters is no required, and any adapter can be used for charging electronic cigarettes with the intelligent charge-discharge control circuit.

The invention provides a top cover assembly of a secondary battery and the secondary battery. The top cover assembly of the secondary battery includes a top cover plate having an air hole; a first electrode terminal insulated from the top cover plate; a second electrode terminal electrically connected with the top cover plate; a conductive part electrically connected with the first electrode terminal and insulated from the top cover plate; an overturning sheet attached to the top cover plate and configured to flip in response to an increase in an internal pressure of the secondary battery so as to electrically connect the overturning sheet to the conductive part; and a sealing plug sealing the air hole and having a lower melting point than that of the top cover plate, and configured to deform in response to an increase in an ambient temperature where the secondary battery is located to disengage a sealed state with the air hole. The overcharge problem of the secondary battery under thenormal temperature condition can be solved, meanwhile, gas generated inside the secondary battery can be discharged in time in the high-temperature environment, and accidents such as electrode assembly explosion caused by short circuit of a positive plate and a negative plate of the secondary battery in the high-temperature environment are avoided.

The invention provides a charging pile, a charging control method and device. A connecting cable in the charging pile comprises at least one temperature control pipeline; two air inlet ports of the temperature control pipe are connected with a heating module and a cooling module respectively; the end surface of the connecting cable is provided with a temperature sensor for detecting a temperature value of the surface of an accumulator; a control module is used for generating cooling control signals or heating control signals according to the temperature value; the heating module is used for heating the air in a preset cavity according to the heating control signals; the cooling module is used for cooling the air in the preset cavity according to the cooling control signals. A fan is arranged at the air inlet and used for blowing the air in the preset cavity so that the air can pass through a temperature control pipeline, and then acts on the outer wall of the accumulator to reach the technical effects that when the accumulator in an electric car is charged in a high temperature season, the overcharging problem is avoided; in a low temperature environment, the charging receiving capacity of the accumulator can be improved, and the charging efficiency is improved.

The application relates to the technical field of production of power storage devices, in particular to a secondary battery and a battery module. At least one of a first terminal and a second terminal and a top cover plate are arranged in an electric insulation mode; a connecting piece is electrically connected with the second terminal; an explosion-proof valve is arranged on the top cover plate; and the connecting piece is positioned beyond a projection range of the explosion-proof valve along the height direction, and is also positioned in a projection range of the top cover plate along the height direction. In a normal state, a first pole piece is electrically connected with the first terminal through a turnover piece, and a second pole piece is electrically connected with the second terminal; and when the pressure in the secondary battery exceeds a reference pressure, the turnover piece can turn over to break the electric connection with the first pole piece, and is electrically connected with a contact part after turnover, so that the first terminal is electrically connected with the second terminal. By use of the secondary battery and the battery module provided by the application, even when an automobile is in a running state, the automobile cannot flame out suddenly, so that the safety of the automobile is improved.

The invention relates to an electric vehicle charging method. A charging pile uploads charging information comprising residual charging time information to a charging controller, the time of stopping charging of an electric vehicle by a user is controlled, the use efficiency of the charging pile is improved, excessive charging of a battery in the charging process can be avoided, the service life of the rechargeable battery is prolonged, and resource waste is avoided.

The invention discloses a storage battery serial bus apparatus and a charge and discharge control method. The apparatus comprises a serial bus, battery cells, battery cell cut switches, battery cell fling switches, battery cell voltage detecting points and a computer. The battery cell cut switches are all serially connected on the serial bus. The two ends of each battery cell are in parallel connection in a way to respectively correspond to each battery cell cut switch. Each battery cell fling switch is respectively connected between the anode of the corresponding battery cell and the serial bus in a serial way. Battery cell voltage detecting points are connected among the two ends of each battery cell and the computer. The over-charge problem during a series-connected batteries charging process can be effectively prevented. Meanwhile, the over-discharge phenomena when the storage battery is in use can be also prevented. Storage battery packs are effectively protected. The problem caused by the difference between battery cells is solved. The technical difficulties of insufficient charging of series-connected storage battery packs and incomplete discharging during a storage battery using process are prevented. The service lifetime of the storage battery pack is prolonged.

The invention discloses an unmanned-aerial-vehicle shock absorption gasbag. A gasbag is of a cylindrical structure after air inflation, and air releasing holes are formed in the two circular side faces, and are covered with replaceable air releasing films. The tolerant pressure value of the air releasing films ranges from 200 kPa to 300 kPa. Based on the gasbag, the invention also discloses an unmanned-aerial-vehicle gasbag shock absorption device; the size of an air inflation part of the unmanned-aerial-vehicle gasbag shock absorption device is small, the air inflation speed can be automatically adjusted, and the problem that as the air inflation speed cannot be adjusted through a traditional air inflation part, the gasbag is not inflated fully or inflated excessively is solved; startingand stopping of an air blower are automatically controlled through a photosensitive light sensor, and controlling is easy and reliable.

The invention discloses a charging control method and system for a personal electronic nursing product, and solves the technical problem of inconvenience in use of a user due to various types of chargers for the existing personal nursing products. The charging control method comprises the steps of receiving electric quantity information sent from the personal electronic nursing products on charging stations of a personal electronic nursing product charging apparatus; judging whether there is a personal electronic nursing product which needs to be charged or not based on the electric quantity information; and if so, sending a charging instruction to the personal electronic nursing product which needs to be charged or sending the charging instruction based on a received control instruction to enable personal electronic nursing product charging apparatus to charge the personal electronic nursing product which needs to be charged based on the received charging instruction. Compared with a condition that each existing personal electronic nursing product is matched with a charger separately, multiple personal electronic nursing products can be charged by one charging apparatus in combination with an intelligent control terminal in the invention; and meanwhile, user experience is improved by means of monitoring, remote control, prompting and the like.

The present application relates to the technical field of production of energy storage devices, in particular to a secondary battery and a battery module. At least one of the first terminal and the second terminal is electrically insulated from the top cover; the connector is electrically connected to the second terminal; the explosion-proof valve is installed on the top cover, and the connector is located outside the projection range of the explosion-proof valve along the height direction , and is located within the projection range of the top cover sheet along the height direction. In normal state, the first pole piece is electrically connected to the first terminal through the turning piece, and the second pole piece is electrically connected to the second terminal; when the pressure in the secondary battery exceeds the reference pressure, the turning piece can be turned over so that the turning piece is disconnected from the second terminal. The electrical connection state of one pole piece, and the turned overturned piece is electrically connected with the contact part, so that the first terminal and the second terminal are electrically connected. Even if the car is in the running state, the application will not turn off suddenly, which improves the safety of the car sex.

The invention discloses a terminal USB interface, a disconnection method thereof, a terminal and a computer readable storage medium, and belongs to the technical field of the terminal. The terminal USB interface comprises a circuit board, a USB female seat and an ejection mechanism, wherein the USB female seat is fixed on the circuit board and is electrically connected with the circuit board, the ejection mechanism is arranged in the USB female seat, is used for ejecting a USB male head and comprises an ejection part, a driving part and a locking part, the ejection part is arranged in the USB female seat in a penetrating way and can move along an axial direction of the USB female seat, the driving part is arranged at one end of the ejection part and is used for driving the ejection part to move along the axial direction of the USB female seat, and the locking part is arranged at one side of the ejection part and is used for locking the ejection part. The ejection mechanism is arranged in the USB female seat and is used for ejecting the USB male head, so that the locking of the ejection part can be removed by the locking part of the ejection mechanism when charging of a mobile terminal is completed, the ejection part is automatically ejected out of the USB male head inserted into the USB female seat under a driving effect of the driving part, the connection of the USB female seat and the USB male head is automatically cut off, and overcharge is prevented.

The invention relates to a strong and weak electricity separated intelligent charging system and method. The system comprises a guide rail which is erected above the ground of a parking lot, comprisesa traffic rail and a charging rail which are connected with each other, and is used for the charging mechanical arm scheduling of a vehicle on a parking space, a charging mechanical arm which is usedfor charging the vehicle on the parking space, a mobile phone APP which is used as an access point of a user side so as to carry out data interaction with a control center and carry out charging taskreservation and expense settlement, and the control center which is used for communicating with the guide rail and the charging mechanical arm according to the interaction information of the mobile phone APP, receiving / sending an instruction and uploading information. The matching method comprises the steps that the mobile phone APP is used for receiving user data and returning the user data tothe control center to control the charging mechanical arm to move through the guide rail and conduct actual charging. Compared with the prior art, the charging system and method have the advantages ofhigh charging speed, prolonged service life of an electric vehicle battery and the like.

The invention provides a crane energy storage monitoring and scheduling system and a scheduling method thereof. The crane energy storage monitoring and dispatching system comprises a crane, a power generation device, an energy storage device, a controller, a potentiometer, a monitoring module, a second relay or a first relay, and a clutch, the crane comprises a driving unit, a lifting appliance and a power supply device, the input end of the power generation device is connected with the driving unit; the controller controls the power supply device to be electrically connected with the energy storage device or the power grid; the energy storage device is provided with a battery management module; the battery management module sends first monitoring information to the controller; a rotatingshaft of the potentiometer is connected with a transmission shaft of the lifting appliance, the potentiometer sends position information to the controller, the monitoring module sends second monitoring information to the controller, and the controller controls the power generation device to charge the energy storage device through the second relay or the first relay and the electromagnetic clutch.The crane energy storage monitoring and scheduling system and the scheduling method thereof can realize effective and reliable energy management and control of the system.

The invention provides a top cover assembly of a secondary battery and the secondary battery. The top cover assembly of the secondary battery includes: a top cover plate with air vents; a first electrode terminal insulated from the top cover plate; a second electrode terminal electrically connected to the top cover plate; a conductive member electrically connected to the first electrode terminal and insulated from the top cover plate; the flip sheet is attached to the top cover plate, and the flip sheet is configured to turn over in response to an increase in the internal pressure of the secondary battery, so that the flip sheet is electrically connected to the conductive member; and a sealing plug is sealed and breathable The hole has a lower melting point than that of the top cover plate, and the sealing plug is configured to deform in response to an increase in the ambient temperature of the secondary battery so as to break away from the sealing state with the vent hole. It can solve the overcharge problem of the secondary battery under normal temperature conditions, and at the same time, it can discharge the gas generated inside the secondary battery in a high temperature environment in time, so as to avoid the short circuit between the positive electrode and the negative electrode of the secondary battery in the high temperature environment, which will cause Electrode assembly explosion and other accidents.

The invention provides an automatic optometric head printing base and a mobile intelligent terminal charging management method based on the same. The printing base comprises a printing base shell and a printer and a printing control circuit which are integrated in the printing base shell, the printing base further comprises a microcontroller, a wireless communication module and a charging module, the microcontroller is in bidirectional connection with the wireless communication module, a first output end of the microcontroller is connected with the control input end of the charging module, and the output end of the charging module is connected with the charging input end of a mobile intelligent terminal of an automatic optometric head; a second output end of the microcontroller is connected with the input end of the printing control circuit, and the output end of the printing control circuit is connected with the printer. The automatic optometric head printing base is simple in structure and low in production cost, the problem that an optometry table is untidy due to charging of the mobile intelligent terminal is effectively solved, a battery of the mobile intelligent terminal can be further protected through the automatic optometric head printing base, and the service life of the battery of the mobile intelligent terminal is prolonged.

The invention discloses a method and device for dynamically adjusting floating charge current of a lead-acid storage battery and computer equipment. The method comprises the following steps: dynamically adjusting the floating charge current of each storage battery in the lead-acid storage battery, enabling the floating charge voltage to reach a preset threshold value, and configuring the lead-acidstorage battery to lose the charge current locally or partially according to the preset threshold value which enables the floating charge voltage to reach, and dynamically controlling the charging current of the lead-acid storage battery according to the configured charging current of the lead-acid storage battery which is partially or partially lost, so that the floating charge voltage of the lead-acid storage battery is stabilized within the preset range of the standard floating charge voltage. By means of the mode, the overcharge problem of the storage batteries in the lead-acid storage battery pack can be thoroughly solved, and the floating charge voltage of each storage battery in the lead-acid storage battery pack is controlled to be a preset threshold value.

The invention discloses an electric vehicle charging system which comprises a BMS system, a DCDC converter, a power converter and a power-off protection system, wherein the BMS system is used for detecting parameters of an electric vehicle storage battery, the DCDC converter is used for adjusting the voltage of the charging system, the power converter is used for conversion between direct current and alternating current, and the power-off protection system is composed of a temperature detection system and a power-off switch. The electric vehicle charging system has the beneficial effects that the time for a user to stop charging the electric vehicle is controlled, the problem of overcharging of a battery in the charging process is avoided, the service life of the rechargeable battery is prolonged, resource waste is avoided, and the charging efficiency of the charging pile is improved; different charging modes and chargers can be selected according to different vehicle-mounted battery models, meanwhile, the real-time state of the vehicle-mounted battery in the charging process can be monitored in real time, and charging safety is ensured.

The invention provides an electric vehicle charging control method and related equipment, belongs to the field of vehicle charging, and solves a problem that in the prior art, after a battery is charged to the rated electric quantity, overcharge is extremely easy to cause, and safety of the battery is affected. The method comprises steps that the vehicle information is acquired, and the vehicle information comprises vehicle battery data; target electric quantity is determined according to the vehicle information and a preset charging termination condition, and the target electric quantity is the electric quantity for stopping charging of the vehicle battery and is smaller than the rated electric quantity of the vehicle battery; and when it is determined that the real-time electric quantity of the vehicle battery reaches the target electric quantity, charging operation is stopped.

The invention belongs to the technical field of battery manufacturing, and discloses a lithium metal battery module and a charge and discharge control method. The battery module comprises a plurality of lithium metal battery single cells and a battery management system, the battery management system comprises a transformation system with adjustable conversion efficiency, all the single lithium metal battery cells are separately connected with the battery management system, and during charging, the battery management system controls all the single lithium metal battery cells or all the first battery cell combinations to be connected in parallel; during discharging, the battery management system controls the lithium metal battery monomer cells or the second cell combination to discharge one by one; and the battery management system detects the terminal voltage of the lithium metal battery connection group in real time, and adjusts the terminal voltage of the lithium metal battery connection group to the rated voltage through the voltage transformation system, so that the cycle performance of the lithium metal battery module can be effectively improved, and the service life of the lithium metal battery module is prolonged.

The invention discloses an automatic equalization method for a storage battery. A battery voltage acquisition and equalization control module, a switch module and n batteries are included. The battery voltage acquisition and equalization control module can monitor the voltage imbalance condition of the batteries, when the voltage of a certain battery is greater than a stabilizing voltage, the switch module is driven through the S pin, the switch module is conducted, and the battery is discharged; and when equalization is carried out, the LED corresponding to the battery is lightened for prompting. The method has the advantages that equalization management can be carried out on the battery pack, the service life of the storage battery is prolonged, and the problems of undercharge of part of batteries and overcharge of part of batteries during charging are avoided.

The invention discloses a management and control method based on android balanced charging, a charger and a system, an android system is started, a charging APP is entered, battery charging parameters are set, a battery charging module is connected with power supply equipment through a charging interface, and the charging interface comprises a power supply interface and a balanced charging interface; entering a charging mode, detecting the charging parameters of the battery, comparing the current charging parameters of the battery with the set charging parameters, judging whether the current charging parameters of the battery are consistent with the set charging parameters or not, detecting and correspondingly adjusting the voltage of the battery if the current charging parameters of the battery are consistent with the set charging parameters; the balanced charging module controls the synchronous rectification circuit to output constant current; and when the cell voltage of the battery reaches the charging target voltage, the working mode of the circuit is converted into a constant-voltage charging mode, and when the current is smaller than a trickle charging threshold value, the circuit enters a trickle charging mode until the charging is finished. The charging amount of the battery can be controlled, the efficiency is high, the heat consumption is low, and the equalization time is short.

The invention discloses a charging and discharging control type of a vehicle 48V integral lead acid storage battery. Four controlled 12V single batteries are arranged in a box body in a two-line and two-row way; the single batteries are in hard connection in series; each single battery is provided with a charging balance circuit and a voltage collecting signal line. In the use process, the action of the charging balance circuit is controlled according to the setting voltage value; in the charging phase, each single battery can be charged in parallel, and can also be singly charged according to the charging condition of each single battery; in the discharging phase, the four series single batteries are discharged together. The charging and discharging control type has the advantages that the charging and discharging control type is reasonable, simple, convenient and reliable; the automation degree is high; by adopting the compensation type charging method, the lagging of the single batteries can be avoided; the corresponding single battery can be fully charged; proofed by the results, the cycle times of the lead acid storage battery are increased, and the service life is prolonged.