| 摘要 |
PURPOSE:To check for failure contact in a plug-socket for connecting a battery and a charger and in a charger output breaker before starting to charge the battery. CONSTITUTION:The normally-closed contact 14 of a push-button switch is provided on the input side of a charger AC power supply. A circuit composed of a normally-opened contact 13 which is interlocked with the push-button switch and a buzzer 15 which are connected to each other in series is connected in parallel with the primary side of a breaker 7 on the DC output side of the charger 1. With this constitution, the change failure of a charged battery 2 can be avoided. |
