Charging and discharging control circuit with automatic protection mechanism
A charging and discharging control and automatic protection technology, applied in safety/protection circuits, battery circuit devices, circuit devices, etc., can solve the problems of increasing the number of battery charging and discharging, high power consumption of charging MOS tubes, affecting battery life, etc. Achieve the effect of increasing charging overvoltage protection, reducing the number of charging and discharging, and reducing loss
Active Publication Date: 2020-02-25
福建和盛高科技产业有限公司
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Problems solved by technology
[0002] At present, there are many solar charging circuits, and most of them use dedicated battery charging chips. However, some charging chips currently have the problems of large power consumption and high heat generation of charging MOS tubes; figure 1 As shown, the general solar charging circuit directly charges the battery and then supplies power to the load, which increases the number of times the battery is charged and discharged, and affects the service life of the battery.
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[0020] The technical solution of the present invention will be specifically described below in conjunction with the accompanying drawings.
[0021] like figure 2 As shown, the present invention provides a charging and discharging control circuit with an automatic protection mechanism, including a solar panel, a charging circuit, a battery, and a load connected in sequence, and the charging circuit can directly supply power to the load. The charging circuit includes a battery charging circuit and a voltage stabilizing circuit. The input end of the battery charging circuit and the input end of the voltage stabilizing circuit are connected to the output end of the solar panel, and the output end of the battery charging circuit is connected to the battery. The output terminal of the voltage stabilizing circuit is connected with the load. The charging circuit also includes an MCU, a battery charging protection circuit, and a battery discharging protection circuit. The MCU is conn...
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The invention relates to a charging and discharging control circuit with an automatic protection mechanism, which comprises a solar cell panel, a charging circuit, a battery and a load connected in sequence, wherein the charging circuit can directly supply power to the load; the charging circuit comprises a battery charging circuit and a voltage stabilizing circuit; the input end of the battery charging circuit and the input end of the voltage stabilizing circuit are connected with the output end of the solar cell panel; the output end of the battery charging circuit is connected with the battery; and the output end of the voltage stabilizing circuit is connected with a load. The circuit can directly supply power to a load, the charging and discharging frequency of the battery is reduced,the service life of the battery is prolonged, the reliability of the charging circuit is ensured through charging overvoltage protection, and the performance and the service life of the battery are prevented from being influenced by overcharging and overdischarging.
Description
technical field [0001] The invention belongs to the technical field of industrial control, and in particular relates to a charging and discharging control circuit with an automatic protection mechanism. Background technique [0002] At present, there are many solar charging circuits, and most of them use dedicated battery charging chips. However, some charging chips currently have the problems of large power consumption and high heat generation of charging MOS tubes; figure 1 As shown, the general solar charging circuit directly charges the battery and then supplies power to the load, which increases the number of charging and discharging of the battery and affects the service life of the battery. Contents of the invention [0003] The purpose of the present invention is to provide a charging and discharging control circuit with an automatic protection mechanism, which can directly supply power to the load, reduce the number of charging and discharging of the battery, prol...
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IPC IPC(8): H02J7/00H02J7/35
CPCH02J7/0029H02J7/35
Inventor 陈玲强陈其平
Owner 福建和盛高科技产业有限公司