ELECTRIC AIRCRAFT AND POWER SUPPLY DEVICE
There is provided an electric apparatus including a battery ( 6 ); a first pair of motors ( 3 a, 3 d ) coupled with a first pair of wings and a second pair of motors ( 3 b, 3 e ) coupled with a second pair of wings; and a first motor control circuitry ( 12 ad ) configured to control, the first pair of motors and a second motor control circuitry ( 12 be ) configured to control the second pair of motors. The battery ( 6 ) is configured to supply power to the first motor control circuitry ( 12 ad ) via a first power line, and the battery ( 6 ) is configured to supply power to the second motor control circuitry ( 12 be ) via a second power line.
1 . An electric apparatus comprising:
a battery;
a first pair of motors coupled with a first pair of wings and a second pair of motors coupled with a second pair of wings;
a first motor control circuitry configured to control the first pair of motors and a second motor control circuitry configured to control the second pair of motors;
wherein the battery is configured to supply power to the first motor control circuitry via a first power line, and
wherein the battery is configured to supply power to the second motor control circuitry via a second power line.
2 . The electric apparatus according to claim 1 , wherein the battery includes a plurality of battery modules, and wherein a total number of the battery modules is equal to a total number of the pairs of motors.
3 . The electric apparatus according to claim 1 , wherein the first pair of motors includes a first motor and a second motor, and wherein the first motor control circuitry is configured to increase a rotation speed of the first motor while decrease a rotation speed of the second motor at same time.
4 . The electric apparatus according to claim 3 , wherein the first pair of wings includes a first wing coupled with the first motor and a second wing coupled with the second motor, and the first and second wings are at a facing position.
5 . The electric apparatus according to claim 4 , wherein the facing position includes a 180-degree facing position.
6 . The electric apparatus according to claim 1 , further comprising a plurality of shafts, wherein the plurality of shafts are configured to support the first and second motors.
7 . The electric apparatus according to claim 6 , wherein the battery is provided at a position lower than the shafts by a distance from a/4 to a/2, and wherein a represents a distance from a central position of the electric apparatus to a rotation center of one of a first and second wings.
8 . The electric apparatus according to claim 7 , wherein the battery is detachable from the electric apparatus.
9 . The electric apparatus according to claim 7 , wherein the battery is provided under an intersection of the shafts.
10 . The electric apparatus according to claim 1 , further comprising a case, wherein the case is configured to store the battery.
11 . The electric apparatus according to claim 10 , wherein the case is symmetric with a central opening shape.
12 . The electric apparatus according to claim 10 , wherein the case includes at least one of a hexagonal shape and a rectangular shape.
13 . The electric apparatus according to claim 1 , wherein the battery includes a plurality of battery modules, and wherein the battery modules includes at least a lithium-ion battery and a battery control circuit.
14 . The electric apparatus according to claim 1 , further comprising a capacity equalizing circuitry, wherein the battery includes a plurality of battery modules, and wherein the capacity equalizing circuitry is configured to equalize capacities of the plurality of battery modules.
15 . The electric apparatus according to claim 1 , wherein the first motor control circuitry and the second motor control circuitry are configured to share a microcomputer.
16 . The electric apparatus according to claim 1 , wherein the electric apparatus includes a drone aircraft.
17 . A power supply apparatus for an electric aircraft comprising:
a battery;
a first power line and a second power line;
wherein the battery is configured to supply power to a first pair of motors control circuitry via the first power line; and
wherein the battery is configured to supply power to a second pair of motors control circuitry via the second power line.
18 . The power supply apparatus according to claim 17 , wherein the battery includes a plurality of battery modules, and wherein a total number of the battery modules is equal to a total number of the pairs of motors.
19 . The power supply apparatus according to claim 17 , wherein the first pair of motors includes a first motor and a second motor, and wherein the first motor control circuitry is configured to increase a rotation speed of the first motor while decrease a rotation speed of the second motor at same time.
20 . The power supply apparatus according to claim 17 , wherein the battery is detachable from the power supply apparatus.
21 . The power supply apparatus according to claim 17 , further comprising a plurality of shafts, wherein the plurality of shafts are configured to support the first and second pairs of motors.
22 . The power supply apparatus according to claim 21 , wherein the battery is provided under an intersection of the shafts.
23 . The power supply apparatus according to claim 17 , wherein the battery is symmetric with a central opening shape.
24 . The power supply apparatus according to claim 17 , further comprising a capacity equalizing circuitry, wherein the battery includes a plurality of battery modules, and wherein the capacity equalizing circuitry is configured to equalize capacities of the plurality of battery modules.