Fejemis battery control
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==== Charger board ==== | ==== Charger board ==== | ||
| − | [[File:fejemis_power_charge_board.png | | + | [[File:fejemis_power_charge_board.png | 700px]] |
Battery charge board: The battery is connected (with an XT60) at top-center called 'BAT' with the balancing cable at the pins just below. The charger is connected to the left (again XT60 and balance plug), The charge is disconnected using a relay, when not in use. The relay is activated with a small 6V supply from 230V mains (RELAY_6V). The battery meter is connected when power is on using Q3 and Q1. The AD3-CHARGE (lower-right) is for the u-processor to detect that we are charging. | Battery charge board: The battery is connected (with an XT60) at top-center called 'BAT' with the balancing cable at the pins just below. The charger is connected to the left (again XT60 and balance plug), The charge is disconnected using a relay, when not in use. The relay is activated with a small 6V supply from 230V mains (RELAY_6V). The battery meter is connected when power is on using Q3 and Q1. The AD3-CHARGE (lower-right) is for the u-processor to detect that we are charging. | ||
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==== Power distribution board ==== | ==== Power distribution board ==== | ||
| − | [[File:fejemis_power_switch.png | | + | [[File:fejemis_power_switch.png | 600px]] |
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| + | The power distribution board has 6 XT60 output plugs (left). The two battery charge boards are connected in the right-centre position. A fuse and Q4 transfer the battery voltage to the output plugs. The U1 block is a current sensor. The on-switch is in the lower-right corner. Q2 allows the processor to turn off the power. | ||
Revision as of 12:51, 12 September 2022
Back to fejemis
Introduction
The battery system is 24V, but split into 2x11.1V Lip batteries.
Each battery has a charger and a charge control board as shown in the schematic below.
Another board combines the two batteries and has a number of XT60 plugs for power distribution as shown below.
Charger board
Battery charge board: The battery is connected (with an XT60) at top-center called 'BAT' with the balancing cable at the pins just below. The charger is connected to the left (again XT60 and balance plug), The charge is disconnected using a relay, when not in use. The relay is activated with a small 6V supply from 230V mains (RELAY_6V). The battery meter is connected when power is on using Q3 and Q1. The AD3-CHARGE (lower-right) is for the u-processor to detect that we are charging.
Power distribution board
The power distribution board has 6 XT60 output plugs (left). The two battery charge boards are connected in the right-centre position. A fuse and Q4 transfer the battery voltage to the output plugs. The U1 block is a current sensor. The on-switch is in the lower-right corner. Q2 allows the processor to turn off the power.
