Charging method, apparatus, device and system
A charging method and charging device technology are applied in circuit devices, battery circuit devices, secondary battery charging/discharging and other directions, which can solve the problems of lithium battery fire, potential safety hazards, explosion, etc., and achieve the effect of improving safety.
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Embodiment 1
[0094] see figure 1 , is a charging system provided by one embodiment of the present invention, including a battery 10 and a charging device 20, the charging device 20 is electrically connected to the battery 10 to charge the battery 10, and the charging device 20 and the battery 10 communicate through a communication port .
[0095] Specifically, the battery 10 includes a first power port 11, a first main circuit switch 12, a lithium battery pack 13 and a first control circuit 14, one end of the first main circuit switch 12 is electrically connected to the first power port 11, the first main circuit The other end of the loop switch 12 is electrically connected to the lithium battery pack 13 , the control end of the first main loop switch 12 is electrically connected to the first control circuit 14 , and the first control circuit 14 is electrically connected to the lithium battery pack 13 .
[0096] Wherein, the first power port 11 is preferably a USB port, and the first powe...
Embodiment 2
[0171] see Figure 7 , is a schematic flowchart of a charging method provided by one embodiment of the present invention, which is applied to a charging device for charging a battery. The charging device is the charging device 20 described in the above embodiment, and the embodiment of the present invention provides The method is executed by the above-mentioned second control circuit 24, and is used to determine the target charging parameters for charging the battery in real time. The charging method includes:
[0172] S100: Obtain the number of charging cycles and charging temperature of the battery.
[0173] In the embodiment of the present invention, the charging temperature is the surface temperature of the lithium battery pack in the battery, and the charging temperature may be the average value of the surface temperature of each lithium battery, or the maximum value of the surface temperature.
[0174] The number of charging cycles is the total number of all and partial...
Embodiment 3
[0218] The term "module" used below is a combination of software and / or hardware that can realize a predetermined function. Although the devices described in the following embodiments can be implemented in software, implementation in hardware, or a combination of software and hardware is also conceivable.
[0219] see Figure 9 , is a charging device provided by one of the embodiments of the present invention, which is applied to a charging device for charging a battery. The charging device is the charging device 20 described in the above embodiment, and the embodiment of the present invention provides The functions of each module of the device are executed by the above-mentioned second control circuit 24, which is used to determine the target charging parameters for charging the battery in real time. The charging device includes:
[0220] An acquisition module 100, configured to acquire the number of charging cycles and charging temperature of the battery;
[0221] A determ...
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