一种智能快充对讲机

CN224521051UActive Publication Date: 2026-07-17SHENZHEN YSAIR TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN YSAIR TECH CO LTD
Filing Date
2025-06-04
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing walkie-talkie charging methods are inefficient and lack intelligent control, which can easily lead to overcharging or overheating of the battery, potentially causing battery aging or even fire. Long-term full charging or over-discharging will accelerate battery capacity degradation.

Method used

It employs an MCU module, a charging module, and a conversion module. It uses a first transistor, a second transistor, and a third transistor to intelligently select the charging power level. Combined with a charging management chip, a voltage divider circuit, and a thermistor, it monitors temperature and voltage in real time and automatically adjusts the charging current to prevent overcharging or high temperature.

Benefits of technology

It enables fast charging, reduces battery wear, extends battery life, provides multiple safety protections to prevent overcharging, over-discharging, short circuits, and other problems, ensures that the battery works normally in complex electromagnetic environments, and improves system safety and stability.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224521051U_ABST
    Figure CN224521051U_ABST
Patent Text Reader

Abstract

本实用新型公开了一种智能快充对讲机,包括MCU模块、充电模块、转换模块,所述充电模块、所述MCU模块分别与所述转换模块连接,所述充电模块包括充电管理芯片、充电接口,所述充电管理芯片与所述充电接口连接,所述转换模块包括第一三极管、第二三极管、第三三极管,所述第一三极管、所述第二三极管、所述第三三极管分别与所述MCU模块连接,所述MCU模块用于检测到输入电压时导通所述第一三极管、所述第二三极管或所述第三三极管。本实用新型当充电温度升高时,MCU模块检测到电压会自动切换控制第一三极管、第二三极管或第三三极管进行充电功率等级匹配,可以防止过充或高温的现象,避免长期满充或过放会加速电池容量衰减的问题。
Need to check novelty before this filing date? Find Prior Art

Claims

1. An intelligent fast charging intercom, characterized in that, The system includes an MCU module, a charging module, and a conversion module. The charging module and the MCU module are respectively connected to the conversion module. The charging module includes a charging management chip and a charging interface. The charging management chip is connected to the charging interface. The conversion module includes a first transistor, a second transistor, and a third transistor. The first transistor, the second transistor, and the third transistor are respectively connected to the MCU module. The MCU module is used to turn on the first transistor, the second transistor, or the third transistor when it detects an input voltage.

2. The smart fast charging interphone of claim 1, wherein, The charging module further includes a first inductor, a first resistor, a first capacitor, and a second capacitor. One end of the first inductor is connected to the charging management chip, the other end of the first inductor is connected to one end of the first capacitor, the other end of the first capacitor is connected to the charging management chip, one end of the first resistor is connected to the charging management chip and one end of the second capacitor, and the other end of the second capacitor is grounded.

3. The smart fast charging interphone of claim 1, wherein, The charging module also includes a fourth transistor and a MOSFET. The source of the MOSFET is connected to the charging interface, and the gate of the MOSFET is connected to the collector of the fourth transistor.

4. The smart fast charging interphone of claim 1, wherein, The charging module also includes a voltage divider circuit, which is connected to the charging management chip and the MCU module respectively.

5. The intelligent fast charging interphone of claim 4, wherein, The voltage divider circuit includes a second resistor and a third resistor. One end of the second resistor is connected to the charging management chip, and the other end of the second resistor is connected to the third resistor. One end of the second resistor and the third resistor is connected to the MCU module.

6. The intelligent fast charging interphone of claim 5, wherein, The third resistor is a thermistor.

7. The smart fast charging interphone of claim 1, wherein, The smart fast-charging walkie-talkie also includes a battery, which is connected to the charging module, and the charging interface is used to supply power to the battery through the charging module.

8. The intelligent fast-charging walkie-talkie as described in claim 7, characterized in that, The charging module includes a fourth resistor, a third capacitor, and a fourth capacitor. One end of the fourth resistor, one end of the third capacitor, and one end of the fourth capacitor are respectively connected to the charging management chip. The other end of the fourth resistor is connected to the battery. The other ends of the third capacitor and the fourth capacitor are grounded.

9. The smart fast charging interphone of claim 1, wherein, The MCU module model includes HC32L176KATA.

10. The smart fast charging interphone of claim 2, wherein, The model of the first inductor includes SWPA4020S2R2NT.