14results about How to "Improve charging stability" patented technology

The invention discloses an intelligent charging control method and system and an intelligent control socket, and the method comprises the steps: obtaining the charging state data of charging equipment, and drawing a first charging current curve; when a plurality of charging devices are charged at the same time, the first charging current curves of all the charging devices are accumulated based on time, and a total charging current curve is determined; determining the part, greater than the rated current of the power supply line, of the total charging current curve as a first power supply current curve, and determining a corresponding first time interval; dividing the first time interval into a plurality of second time intervals; adjusting the charging current of each charging device in each second time interval based on the rated current of the power supply line; and after all the second time intervals are analyzed, determining a second charging current curve of each charging device, and adjusting the output current of the corresponding intelligent control socket. According to the invention, the charging stability is improved by adjusting the charging current of the multiple charging devices.

The invention discloses a charging control method, a related system, equipment and a storage medium, which are applied to a charging system, and the charging system comprises a first power supply, an inverter circuit, a motor, a motor controller and a second power supply. The charging control method comprises the steps that a motor controller determines a plurality of first rotor angle intervals under a first charging working condition and first phase current distribution information which corresponds to the first rotor angle intervals and enables motor torque to be zero torque; under the first charging working condition, charging current output by the second power supply flows into the first power supply through the first winding, the second winding and the third winding; and in response to the condition that the current motor rotor angle is located in any one of the plurality of first rotor angle intervals, controlling a switching tube in the inverter circuit based on the first phase current distribution information of the rotor angle interval to which the current motor rotor angle belongs. In this way, the motor torque generated during charging can be reduced, and the charging stability is improved.

The utility model relates to the technical field of chargers, in particular to a magnetically-fixed electric vehicle charger. The accommodating cavity for embedding the end part of the charger body is formed in the fixed seat, so that the charger body can be embedded in the fixed seat, and the limiting block is arranged on the side surface of the fixed seat, so that an electric wire of the charger body can be stored and limited through the limiting block, and the electric wire is prevented from drooping and mopping the ground due to overlong electric wire. The mounting block is arranged on the back face of the fixing seat, the magnetic part is embedded in the surface, away from the fixing seat, of the mounting block, and then the fixing seat can be attracted and fixed to an iron frame of the electric bicycle through the magnetic part, so that the fixing seat and the charger body are fixed, and the situation that charging is interrupted due to the fact that the charger falls off in the charging process is avoided; according to the scheme, the structure is simple and convenient to use, and the requirement of stable charging of a user is met.

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.

This disclosure provides a charger circuit and charger, comprising: an input module adapted to rectify and filter a supply voltage to generate a transformer voltage; the transformer comprising: a primary coil, a secondary coil, and an auxiliary coil, wherein a first end of the primary coil is coupled to the input module, and a third end of the primary coil is coupled to an adjustment module; the secondary coil is coupled to an output module; the first end of the auxiliary coil is coupled to the adjustment module; the adjustment module is adapted to generate a drive signal with an initial duty cycle when receiving the transformer voltage to select a path between the third end of the primary coil and a first ground, and to detect the feedback current on the first end of the auxiliary coil when the path is selected by means of resistor voltage division, and to adjust the duty cycle of the drive signal according to the magnitude between the feedback current and a preset current to change the current at the first end of the auxiliary coil; and an output module. Using the above technical solution, a constant current value can be provided, improving the charging stability of electronic devices.

The utility model belongs to the field of conversion socket, concretely relates to a multi -national general -purpose conversion socket of wide adaptation high stability capacity -increasing structure, including converter shell, the inside slide coupling of converter shell has the plug, the top of converter shell places the expansion shell, the plug penetrates expansion shell and is connected with expansion shell slidingly, the expansion shell and converter shell between jointly are provided with quick -release mechanism, the inboard of expansion shell is equipped with the fixed plate through bolt mounting. The utility model adds an expansion shell on the converter shell, sets up the locking pin that expands and contracts through the spring in the expansion shell, locking pin has the slider on it, and the slider has the shift block on it, in this way, the European standard plug can be locked and prevented from loosening when being inserted into the German standard or French standard socket, ensuring the close connection of the plug and the socket, and significantly improving the charging stability.

The utility model belongs to the technical field of battery pack charging, and particularly relates to a battery pack charging device, which comprises a base, a power supply is arranged on the outer wall of the base, a battery pack body is arranged above the base, a jack is arranged on the battery pack body, and a driving device is arranged on the base. According to the battery pack charging device, the battery pack can be automatically driven to move towards the power supply only by placing the battery pack body on the placing plate and starting the motor, the butt joint of the charging head and the jack of the battery pack is accurately realized, the charging operation is completed, the charging process is greatly simplified, and the operation convenience is improved; a sliding plate, a pull rod, a limiting rod and other parts in the device cooperatively operate, limiting of a second gear sleeve is relieved in time, a first gear sleeve and the second gear sleeve are ingeniously matched, dynamic changes of coincidence and disengagement occur, the first gear sleeve idles, and the situation that a placing plate drives a battery pack body to excessively extrude a charging head is effectively avoided.

The utility model relates to the technical field of charging equipment, in particular to a portable charging box which comprises a box body and a box cover, the box body is matched with the box cover, a storage body and a charging device are arranged in the box body, a storage cavity is formed in the middle of the storage body, and an annular elastic piece, a plastic ring and a soft cushion layer are fixedly arranged on the storage cavity. The plastic ring outer layer is fixedly connected to the inner side of the containing cavity, the annular elastic piece is arranged in the plastic layer in a sleeved mode, the soft cushion layer is arranged on the inner side of the plastic ring in a sleeved mode, the charging device is fixedly arranged below the containing body, and when electronic equipment is placed into the containing cavity in the charging box, the plastic ring in the containing cavity will extrude the electronic equipment; the annular elastic piece in the plastic ring is extruded by the electronic equipment to form a counter-acting force, so that the electronic equipment is fixed at a specific charging position, the shaking amplitude of the electronic equipment in the accommodating cavity is effectively limited, the original charging effect of the charging box is favorably maintained, and the charging efficiency is improved. And meanwhile, the arrangement of the soft cushion layer provides a buffering and supporting effect for the electronic equipment.

The invention provides a newborn milk choking prevention device which structurally comprises four sets of handrails, a multifunctional bottle body, a sealing cover, a flow control ring and a flexible nipple, the handrails are annularly fixed to the edge of the multifunctional bottle body, the upper end of the multifunctional bottle body is in threaded connection with the sealing cover, and the flow control ring is embedded into the center of the upper end of the sealing cover; after the multifunctional bottle body is further improved, the food safety coefficient of newborns can be effectively guaranteed through cooperation of the food-grade bottle body, then the temperature of boiled water in the brewing cavity can be balanced within the range of 40-60 DEG C through the internal temperature control module, then milk powder is poured into the brewing cavity, stable brewing can be completed, and the brewing efficiency is improved. Therefore, pollution of impurities and bacteria caused by natural cooling can be avoided, the multifunctional characteristic of the device is improved, subsequent cleaning can be facilitated according to the polished inner wall and the right-angle characteristic of the temperature control block, and the situation that corner areas are difficult to clean is prevented.

The invention discloses a charging control method and system of a lithium iron phosphate battery, computer equipment and a storage medium. The charging control method mainly comprises the steps that S101, original characteristic parameters of the charging control system are detected, and a data comparison table corresponding to current set values and current deviation values is established and stored; s102, detecting and acquiring a real-time charging current value output by a charging control system according to a current current set value input by a user; s103, according to the current set value, the real-time charging current value and the data in the data comparison table, calculating to obtain a charging current control parameter; and S104, controlling a real-time charging current value output by a charging control system according to the charging current control parameter. According to the scheme, the real-time charging current value output by the system can be accurately controlled to be close to the current set value input by the user, the deviation between the actual charging current and the set value input by the user is reduced, the charging stability is improved, the safety of the lithium iron phosphate battery can be improved, and the service life of the lithium iron phosphate battery can be prolonged.

The invention discloses a current collecting device of a rail transit vehicle, which is characterized in that an A-phase current collecting shoe, a C-phase current collecting shoe and a G-phase grounding shoe are respectively arranged on two right side current collector assemblies at the front and rear sides of the vehicle from top to bottom; a B-phase collector shoe and a G-phase ground shoe are arranged on two left side collector assemblies on the front side and the rear side of the vehicle from top to bottom respectively. And the collector shoe and the grounding shoe are in contact with an electric conductor on the power rail and can slide on the electric conductor. By adopting the technical scheme, the collector shoe assembly which does not work and a matched cable thereof are removed, the structure is simpler, and the cost is lower; meanwhile, after the vehicle enters the power rail section, the movement of the collector shoe and the grounding shoe is limited by the guide rail, and the work is stable; according to the utility model, the current collection shoe assembly which does not work is not in a free state, thereby eliminating the possible collision and pulling risks caused by the redundant current collection shoe assembly which does not work and the cable, reducing the fault rate, and improving the working reliability.

The present invention provides a charging circuit and a mobile terminal. The charging circuit comprises: a first circuit, coupled to a charging port, for receiving a DC power signal and converting the DC power signal into an AC power signal; a second circuit, coupled to the battery, configured to receive the AC power signal from the first circuit and convert the AC power signal back into a DC power signal to charge the battery; and a capacitive coupling component, coupled between the first and second circuits. The capacitive coupling component is configured to block the DC power signal from the first circuit. That is, the DC power signal cannot pass through the first circuit.Therefore, the DC power signal passing through the charging port does not directly reach the second circuit and the battery when the first circuit malfunctions. Consequently, the stability of the charging circuit is improved.

The utility model relates to the technical field of unmanned aerial vehicle charging, and discloses a charging apron for an environment monitoring unmanned aerial vehicle, which comprises a charging apron assembly arranged below an unmanned aerial vehicle body, the charging apron assembly is provided with a charging box and two transmission belts, and the two transmission belts are installed at the positions close to the two sides in the charging box. The unmanned aerial vehicle body is placed on the outer rings of the two conveying belts through undercarriages, circular ring dampers are fixedly installed on the positions, close to the front end and the rear end, of the two sides of the interior of the charging box, the circular ring dampers located on the same side form a group, and a buffer spring is installed at the top end of each group of circular ring dampers. A mounting frame is mounted at the top end of the buffer spring; through the charging apron assembly, the impact force generated when the unmanned aerial vehicle body makes contact with the conveying belt is reduced, it is ensured that the conveying belt cannot deform downwards due to the weight of the unmanned aerial vehicle body, the installation stability of the conveying belt is conveniently improved, the position of the unmanned aerial vehicle body can be fixed, and the charging stability is conveniently improved.

The invention provides a movable wireless charging coil device for underwater equipment, a transmitting end magnetic core is fixedly connected to a support and is in a circular ring shape, and a transmitting end coil on the surface of the transmitting end magnetic core is used for being aligned with a receiving end coil on the underwater equipment. The detection coil parallel to the transmitting end coil can detect a current value generated by offset between the receiving end coil and the transmitting end coil. The electromagnet assembly holds the equipment and the charging coil device together when the transmitting and receiving end coils are aligned. The underwater thruster assembly can translate the bracket in the axial direction and the radial direction of the transmitting end coil. A BP neural network model is also established, a calculation matrix of coil offset and detection coil current is obtained, and rapid and accurate alignment of the transmitting end coil and the receiving end coil can be realized during charging docking, so that the charging docking time is shortened, and after the alignment is completed, the charging docking efficiency is improved. The electromagnet can ensure that the transmitting end coil and the receiving end coil do not move relatively in the charging process and keep accurate alignment, so that the wireless electric energy transmission efficiency is improved.