The invention provides a power supply circuit and a power supply device.The power supply circuit comprises a main power supply unit circuit and a standby power supply unit circuit which are connected in parallel, the input ends of the main power supply unit circuit and the standby power supply unit circuit are connected with a power source, and the output ends of the main power supply unit circuit and the standby power supply unit circuit are connected with a load; the standby power supply unit circuit works when the main power supply unit circuit breaks down; wherein the main power supply unit circuit and the standby power supply unit circuit are the same in circuit structure, the main power supply unit circuit comprises an mos tube switch, a drain electrode of the mos tube switch is connected with a power supply, a source electrode of the mos tube switch is connected with a load, and the mos tube switch is used for receiving a power supply signal output by the power supply and outputting a power supply signal to the load when the mos tube switch is switched on; and the controller is connected with the grid electrode of the mos tube switch and is used for controlling the on or off of the mos tube switch. In this way, the stability of power supply can be improved.

    本发明提供一种供电电路和供电装置,供电电路包括:并联的主供电单元电路和备用供电单元电路,主供电单元电路和备用供电单元电路的输入端与电源连接,主供电单元电路和备用供电单元电路的输出端与负载连接,备用供电单元电路在主供电单元电路发生故障时工作;其中,主供电单元电路和备用供电单元电路的电路结构相同,主供电单元电路包括:mos管开关,mos管开关的漏极与电源连接,源极与负载连接,用于接收电源输出的电源信号,并在导通时输出供电信号至负载;控制器,与mos管开关的栅极连接,用于控制mos管开关的导通或关断。通过上述方式,本申请能够提高供电的稳定性。


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    Title :

    Power supply circuit and power supply device


    Additional title:

    供电电路和供电装置


    Contributors:
    WANG ZHITIAN (author) / HUANG RONGYU (author) / HU PANPAN (author)

    Publication date :

    2023-10-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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 / 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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