Battery electric quantity charging detection control device and charger
A charging detection, battery power technology, applied in battery circuit devices, different battery charging, circuit devices, etc., can solve problems such as leakage, low reliability, and inability to automatically control batteries.
Inactive Publication Date: 2020-02-07
HUAIHUA UNIV
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Problems solved by technology
However, overcharging the lithium-ion battery will cause a chemical side reaction inside the battery. After the side reaction is intensified, it is likely to cause dangers such as leakage, fire, and explosion.
[0003] Traditional battery charging equipment generally only has a simple charging function, or at most uses wireless charging technology, which cannot be automatically controlled according to the state of the battery, which has hidden dangers in charging safety and low reliability
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[0022] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0023] In one embodiment, a battery charge detection control device is provided, which is suitable for performing charge detection and automatic power-off control on a rechargeable battery in a charger. Such as figure 1 As shown, the battery power charging detection control device includes a current power detection module 110, a voltage detection module 120 and a control module 130, the current power detection module 110 is used to connect the power supply module 210 and the battery 220, and the voltage detection module 120 is used to connect the power supply module 210 a...
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The invention relates to a battery electric quantity charging detection control device and a charger. The device comprises a current and electric quantity detection module, a voltage detection moduleand a control module, wherein the current and electric quantity detection module detects the charging electric quantity and the charging current of a battery, and sends a current and electric quantitytriggering instruction to a control module when difference between the charging electric quantity of the battery and a preset rated capacity is smaller than a set electric quantity difference threshold value and the charging current of the battery is smaller than a preset current threshold value, the voltage detection module detects a battery voltage and sends a voltage triggering instruction tothe control module when difference between the battery voltage and a preset rated voltage is smaller than a set voltage difference threshold, the control module sends a power-off instruction to a power supply module to control the power supply module to stop charging the battery when simultaneously receiving the current and electric quantity triggering instruction and the voltage triggering instruction. The device is advantaged in that the charging electric quantity, the charging current and the battery voltage of the battery are monitored, the power supply module is controlled to stop charging the battery after corresponding conditions are met, and use reliability is high.
Description
technical field [0001] The present application relates to the technical field of battery charging management, in particular to a battery charge detection control device and a charger. Background technique [0002] For mobile phone batteries, especially lithium batteries that are widely used today, during charging, the owner of the mobile phone often forgets to unplug the charger in time when it is fully charged because the mobile phone owner is busy with other work, resulting in frequent overcharging of the mobile phone battery. According to the chemical characteristics of lithium-ion batteries, during use, a chemical reaction of mutual conversion of electrical energy and chemical energy takes place inside. However, overcharging the lithium-ion battery will cause a chemical side reaction inside the battery. After the side reaction is intensified, it is likely to cause dangers such as leakage, fire, and explosion. [0003] Traditional battery charging equipment generally onl...
Claims
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IPC IPC(8): H02J7/00H02J7/02
CPCH02J7/0029H02J7/0047
Inventor 牛红军陈贻欢贺达江米贤武杨菁陈雷平宋宏彪丁黎明
Owner HUAIHUA UNIV