The invention provides an automobile storage battery charger, which comprises a power supply, two automobile storage battery terminal connectors, a first polarity detection circuit, a power supply output polarity change-over switch circuit and a microcontroller, and is characterized in that the microcontroller receives detected polarity signals of an automobile storage battery connected with the two automobile storage battery terminal connectors from the first polarity detection circuit; and the power supply output polarity change-over switch circuit is controlled to switch the polarity of the power supply output to the two automobile storage battery terminal connectors according to the polarity signal of the automobile storage battery, so that the polarity of the power supply output to the two automobile storage battery terminal connectors is matched with the polarity of the automobile storage battery connected with the two automobile storage battery terminal connectors, and the power supply supplies power to the automobile storage battery. The automobile battery charger does not need to distinguish the positive and negative electrodes of the battery, improves the safety, and is very convenient to use.
本发明提供一种汽车电瓶充电器,包括:电源、两个汽车电瓶端子连接器、第一极性检测电路、电源输出极性切换开关电路和微控制器,微控制器从所述第一极性检测电路接收检测的所述两个汽车电瓶端子连接器连接的汽车电瓶的极性信号,根据所述汽车电瓶的极性信号控制所述电源输出极性切换开关电路切换所述电源输出至所述两个汽车电瓶端子连接器的极性,使得所述电源输出至所述两个汽车电瓶端子连接器的极性与所述两个汽车电瓶端子连接器连接的汽车电瓶的极性相匹配,所述电源向汽车电瓶通电。本发明汽车电瓶充电器无需区分电瓶正负极,提高了安全性,使用十分便利。
Automobile storage battery charger
一种汽车电瓶充电器
2021-05-28
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 |