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5results about How to "Low charge" patented technology

Charging method and apparatus for energy storage power source, and device and medium

ActiveEP4311074A4Increased service life and safetylow chargeBatteries circuit arrangementsSecondary cells charging/discharging
A charging method of an energy storage power supply, a charging apparatus therefor, a device and a medium are provided. The charging method includes: obtaining a voltage of each of a plurality of cells in a battery pack of a battery module; and charging the battery module by selecting, based on a minimum voltage among the voltages of the plurality of cells, a corresponding charging scheme. The corresponding charging scheme includes a first charging scheme and a second charging scheme.
Owner:SHENZHEN HELLO TECH ENERGY CO LTD

Vehicle, and energy conversion device and discharging method therefor

A vehicle is provided, including an energy conversion apparatus and a discharging method thereof. The energy conversion apparatus includes: a first inductor, a first end of the first inductor being connected to a first output end of a battery module; a second inductor, a first end of the second inductor being connected to the first end of the first inductor; a second switch, connected between the first end of the second inductor and a first end of a charging and discharging port; a first two-way H-bridge, one end of the first two-way H-bridge being connected to a second output end of the battery module and a second end of the charging and discharging port, the first two-way H-bridge including a first bridge arm and a second bridge arm that are connected in parallel, a second end of the first inductor being connected to the first bridge arm, and a second end of the second inductor being connected to the second bridge arm; and a third switch, connected between the first end of the first inductor and the first end of the charging and discharging port.
Owner:BYD CO LTD

Battery cells, batteries and electrical devices

The present application relates to a battery cell, a battery and an electrical device. The battery cell includes a battery cell and a circuit assembly, the circuit assembly is conductively connected to the battery cell to form an energy storage circuit; the circuit assembly includes an energy storage element and a circuit switch, the circuit switch is connected in series with the energy storage element; when the air pressure inside the battery cell is less than a first air pressure threshold, the circuit switch is in a disconnected state to put the energy storage circuit in an open circuit state; when the air pressure inside the battery cell is greater than or equal to the first air pressure threshold, the circuit switch is in a closed state to put the energy storage circuit in a conducting state; the energy storage element is configured to store electrical energy when the energy storage circuit is conducting; the circuit switch includes an airbag, the airbag is filled with gas and the air pressure inside the airbag is less than the first air pressure threshold, the airbag is configured to deform in response to changes in air pressure inside the battery cell to turn on or off the energy storage circuit. The battery cell of the present application has an energy storage circuit that can reduce the charge of the battery cell when the battery cell produces gas rapidly.
Owner:SHENZHEN PENGCHENG WUXIAN NEW ENERGY CO LTD

Charging control method and system, and vehicle

A method and system for charging control, and a vehicle. The method includes: when a first end of a switching circuit (102) is connected to external power supply (105), acquiring a phase voltage and a line voltage of any two-phase first terminals in M phases of first terminals; determining a power supply mode of the external power supply (105) according to the phase voltage and the line voltage; and controlling the switching circuit (102) and a charging circuit (103) to charge a target battery (106) according to the power supply mode.
Owner:BYD CO LTD

A new type of vertical flash tank

The utility model discloses a novel vertical flash tank relates to vertical flash tank technical field, and it aims at solving the problem that the uniform separation of gas and liquid in the cylinder must be ensured, and the cylinder must be left enough liquid phase and gas phase space, and the proportion is usually 1:3, namely 25% liquid phase space 75% gas phase space, which leads to the problem that the cylinder must select larger, and its technical scheme main points are including the flash tank body, the installation base is fixedly connected with the flash tank body lower extreme, the flash tank body upper extreme fixedly connected with the head, the head upper extreme fixedly connected with the gas supplementing pipe, the flash tank body left side fixedly connected with the liquid outlet pipe that communicates with the inside of flash tank body, the flash tank body right side fixedly connected with the liquid inlet pipe that communicates with the inside of flash tank body, the liquid inlet pipe lower end face is higher than the liquid outlet pipe upper end face. Reach the simple structure, and the good commonality of spare part can realize the effect of larger scale production.
Owner:ANHUI LENGDE ENERGY SAVING TECH CO LTD