| 摘要 |
1,017,084. Battery charging circuits. GENERAL ELECTRIC CO. Oct. 30, 1962 [Nov. 1, 1961], No. 41067/62. Heading H2H. [Also in Division H1] An accumulator has an auxiliary electrode 31 which is internally, electronically insulated from the positive and negative electrodes, 30, 29 and externally connected through a relay coil 34 to the negative electrode. During charging, oxygen is evolved in the cell and is catalytically reduced by the auxiliary electrode, the amount of current through the electrode being proportional to the amount of oxygen in the cell. When overcharging commences, sufficient oxygen is evolved to cause the current through the auxiliary electrode to energize winding 34 and close contacts 35. This energizes the release coil 37 of a second relay which opens contacts 41 breaking the charging circuit. The charging circuit is reclosed by a reset button 42 which energizes a reset coil 39 of the relay. In alternative arrangements, the auxiliary electrode current controls a magnetic or transistor amplifier in the charging circuit. |
