An automobile generator charging interception circuit used for an automobile emergency starting power supply comprises a photoelectric coupler I C4, the positive electrode of a diode of the photoelectric coupler I C4 is connected with a B + port, and the emitting electrode of a triode of the photoelectric coupler I C4 is connected with the second end of a capacitor C2; the base electrode of the triode Q8 is connected with the collector electrode of the triode of the photoelectric coupler I C4, the emitter electrode of the triode Q8 is connected with the first end of the capacitor C2, and the collector electrode of the triode Q8 is connected with the second end of the capacitor C2; the capacitor C2 is discharged through the triode Q8 and then turns off a switching circuit connected between the negative electrode of a lithium battery pack of the automobile emergency starting power supply and a P-port. The first end of the capacitor C3 is connected with the negative electrode of the diode of the photoelectric coupler I C4, and the second end of the capacitor C3 is connected with the P-port; and the positive electrode of the diode D7 is connected with the first end of the capacitor C3, and the negative electrode of the diode D7 is connected with the B + port. The charging interception circuit of the automobile generator can intercept the charging current from the automobile generator after the automobile is successfully started.
一种用于汽车应急启动电源的汽车发电机充电拦截电路,包括:光电耦合器I C4,其二极管的正极与B+端口连接,其三极管的发射极与一电容C2的第二端连接;三极管Q8,其基极与所述光电耦合器I C4的三极管的集电极连接,其发射极与所述电容C2的第一端连接,其集电极与所述电容C2的第二端连接;所述电容C2通过所述三极管Q8放电后关断连接在汽车应急启动电源的锂电池组的负极与P‑端口之间的开关电路;电容C3,其第一端与所述光电耦合器I C4的二极管的负极连接,其第二端与P‑端口连接;二极管D7,其正极与所述电容C3的第一端连接,其负极与所述B+端口连接。本发明的汽车发电机充电拦截电路在汽车成功启动后,能够拦截来自汽车发电机的充电电流。
Automobile generator charging interception circuit for automobile emergency starting power supply
一种用于汽车应急启动电源的汽车发电机充电拦截电路
2024-03-01
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / 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 |
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