The invention discloses a power supply circuit and converter of an integrated vehicle-mounted charger, the circuit comprises an input circuit, a transformer and a secondary side circuit, the input circuit comprises a first winding input circuit and a second winding input circuit, the transformer comprises a primary side first winding, a primary side second winding, a secondary side winding and aniron core, the first winding input circuit is connected with the primary side first winding; the second winding input circuit is connected with a second primary winding, the secondary winding is connected with a secondary circuit, the first winding input circuit is connected with the second winding input circuit in series, and a high-voltage signal generates a first electric signal and a second electric signal through the first winding input circuit and the second winding input circuit. The first electric signal and the second electric signal generate a first magnetic flux and a second magnetic flux through the primary side first winding and the primary side second winding, the first magnetic flux and the second magnetic flux are superposed to generate a third magnetic flux, and a low-voltage signal is generated through the secondary side winding. The adaptive range of the input voltage of the circuit can be expanded.
本申请公开了一种集成车载充电机的电源电路及转换器,该电路包括输入电路、变压器、副边电路,输入电路包括第一绕组输入电路和第二绕组输入电路,变压器包括原边第一绕组、原边第二绕组、副边绕组和铁芯,第一绕组输入电路与原边第一绕组连接,第二绕组输入电路与原边第二绕组连接,副边绕组与副边电路连接,第一绕组输入电路与第二绕组输入电路串联连接,高电压信号通过第一绕组输入电路和第二绕组输入电路产生第一电信号和第二电信号,第一电信号和第二电信号通过原边第一绕组、原边第二绕组产生第一磁通量和第二磁通量,第一磁通量和第二磁通量叠加产生第三磁通量通过副边绕组产生低电压信号。本申请可提高电路的输入电压的适配范围。
Switching power supply circuit and converter of integrated vehicle-mounted charger
集成车载充电机的开关电源电路及转换器
2020-08-11
Patent
Electronic Resource
Chinese
IPC: | H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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