The rail transit train windscreen wiper control device comprises an input interface, a starting circuit, a direct current conversion circuit and a main circuit which are connected in sequence, the input interface is connected to a vehicle-mounted direct current 110V power source, in the starting circuit, an emitting electrode of a first PNP triode is connected to the input interface and connected to a base electrode of an NPN triode through a first branch, and an emitting electrode of a second PNP triode is connected to the main circuit through a second branch. The collector electrode of the NPN triode is connected to the base electrode of the second PNP triode through the fifth resistor, the emitter electrode of the NPN triode is grounded, the collector electrode of the NPN triode is connected to the base electrode of the second PNP triode through the fifth resistor, the emitter electrode of the second PNP triode is grounded, and the collector electrode of the second PNP triode is connected to the base electrode of the first PNP triode. Compared with the prior art, the power supply circuit has the advantage that the stability and the reliability are improved.
本发明涉及一种轨道交通列车雨刮器控制装置,包括依次连接的输入接口、启动电路、直流变换电路和主电路,输入接口连接至车载直流110V电源,启动电路中,第一PNP三极管的发射极连接至输入接口,并通过第一支路连接至NPN三极管的基极,以及依次通过第二电阻和第五电阻连接至NPN三极管的集电极,NPN三极管的发射极接地,集电极通过第五电阻连接至第二PNP三极管的基极,第二PNP三极管的发射极接地,集电极连接至第一PNP三极管的基极,第一PNP三极管的集电极连接至直流变换电路的输入端,与现有技术相比,本发明提高了稳定性和可靠性。
Windscreen wiper control device of rail transit train
一种轨道交通列车雨刮器控制装置
2025-02-18
Patent
Electronic Resource
Chinese
IPC: | B60S SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR , Warten, Reinigen, Instandsetzen, Unterstützen, Anheben oder Rangieren von Fahrzeugen, soweit nicht anderweitig vorgesehen / B61C Lokomotiven , LOCOMOTIVES / 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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