一种多协议桌面充电站
By combining an AC-DC module, a charging protocol module, and an intelligent voice module, and utilizing the CR6842 chip and gallium nitride MOSFETs, high-efficiency power conversion and multi-protocol recognition are achieved. This solves the problems of poor protocol compatibility and low charging efficiency in existing charging equipment, and provides an intelligent multi-protocol desktop charging station that improves charging efficiency and safety.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHENGDU UNIV OF INFORMATION TECH
- Filing Date
- 2025-07-04
- Publication Date
- 2026-07-17
AI Technical Summary
Existing charging equipment suffers from poor protocol compatibility, low charging efficiency, insufficient power density, and weak safety control capabilities, making it difficult to meet the needs of multiple devices for efficient charging at the same time, and also posing safety hazards.
It adopts a combination of AC-DC module, charging protocol module, control module and intelligent voice module, uses CR6842 chip and gallium nitride MOSFET to achieve efficient power conversion, and combines ESP32 microcontroller for real-time monitoring and dynamic control. It supports multi-protocol recognition and intelligent allocation, and is equipped with intelligent voice interaction function.
It achieves efficient and safe multi-protocol compatible charging, improves charging efficiency, reduces energy loss, has intelligent control and safety protection capabilities, and supports remote monitoring and management.
Smart Images
Figure CN224520675U_ABST
Abstract
Claims
1. A multi-protocol desktop charging station, characterized by, It includes an AC-DC module (1), a control module (2), a charging protocol module (3), and an intelligent voice module (4). The AC-DC module (1) is connected to the control module (2) through the power supply circuit (5), the control module (2) is connected to the charging protocol module (3), the AC-DC module (1) is connected to the charging protocol module (3) through the pre-stage transformer circuit (6), and the AC-DC module (1) is connected to the intelligent voice module (4). The AC-DC module (1) is a flyback power supply circuit controlled by a CR6842 chip. The flyback power supply circuit includes a rectifier filter circuit (101), an output rectifier filter circuit (102), a feedback control circuit (104), and a switching transistor (103). The switching transistor (103) is a gallium nitride MOS transistor. The external AC power input is the output rectifier filter circuit (102). The output terminal of the output rectifier filter circuit (102) is connected to the CR6842 chip. The CR6842 chip is connected to the switching transistor (103). The current is controlled by the switching transistor (103) to be output from the CR6842 chip to the primary winding circuit (105) or the secondary winding circuit (106). The output of the secondary winding circuit (106) is connected to the output rectifier filter circuit (102). The CR6842 chip controls the feedback control circuit (104) to adjust the circuit voltage.
2. A multi-protocol desktop charging station according to claim 1, wherein, The switching transistor (103) is model INN700TK140.
3. The multi-protocol desktop charging station of claim 1, wherein, The control module (2) mainly uses the ESP32 microcontroller as the main control chip and connects to the charging protocol module (3) via the I²C bus to perform data interaction.
4. A multi-protocol desktop charging station according to claim 3, wherein, The ESP32 microcontroller integrates a wireless module, enabling remote interaction with mobile devices via dual-mode WiFi and Bluetooth connectivity.
5. The multi-protocol table charging station of claim 1, wherein, The control module (2) communicates with the LCD screen via a serial port to display the collected charging parameters.
6. The multi-protocol table charging station of claim 1, wherein, The power supply circuit (5) uses the TPS64204 chip. The 24V DC output from the AC-DC module (1) is converted into 5V DC by the control of the chip to power the control module (2).
7. The multi-protocol table charging station of claim 1, wherein, The charging protocol module (3) has the same three-channel Type-C output circuit structure, and each circuit uses the SW3526 chip.
8. The multi-protocol table charging station of claim 1, wherein, The intelligent voice module (4) uses an ESP32S3 chip as the main controller.