Patent ID: 9209719
Filing Date: 2015-12-08
Classification: B60L,H02P

Abstract:
1. A load driving device mounted on an inverted movable body, comprising: a battery that supplies power to a load when driving the load, and is charged with a part of regenerative power when the regenerative power equal to or higher than a first reference value is generated by the load; a control circuit that is connected in parallel with the battery with respect to the load and consumes at least a part of regenerative power when the regenerative power is generated by the load; a resistor element that is connected in parallel with the battery with respect to the load; and a switch that is connected in series with the resistor element and controlled to turn on and off in accordance with the regenerative power, wherein when the regenerative power generated by the load is lower than the first reference value, the whole of the regenerative power is consumed by the control circuit, when the regenerative power generated by the load is equal to or higher than the first reference value and lower than a second reference value which is higher than the first reference value, the regenerative power corresponding to the first reference value is consumed by the control circuit, and the battery is charged with the remaining regenerative power, and when the regenerative power generated by the load is equal to or higher than the second reference value, the regenerative power corresponding to the first reference value is consumed by the control circuit, and the remaining regenerative power is fed to the battery to charge the battery and is released as heat energy by the resistor element.