POWER SUPPLY DEVICE

• Main Authors: OKANIWA MASAKAZU, IKUSHIMA YOSHIHIRO
• Format: Patent
• Language: English; Japanese
• Published: 24.11.2015
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORSOR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRICITY; GENERATION; PERFORMING OPERATIONS; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

PROBLEM TO BE SOLVED: To provide a power supply device which stably supplies electric power to a load and effectively utilizes regenerative electric power.SOLUTION: A power supply device 101 includes: a first connection terminal C1 connected with a battery 12 to which loads 4, 5 and a power generator 13 are connected in parallel; a second connection terminal C2 connected with a capacitor 11 which stores regenerative electric power generated by the power generator 13; a third connection terminal C3 connected with a protected load 6; a DC-DC converter 9; a control part 10 which controls an operation of the DC-DC converter 9; a first electric power path L1 where one end is connected with the first connection terminal C1 and the other end is connected with a first input/output terminal T1 provided at the DC-DC converter 9; a second electric power path L2 where one end is connected with the second connection terminal C2 and the other end is connected with a second input/output terminal T2 provided at the DC-DC converter 9; and a third electric power path L3 where one end is connected with the third connection terminal C3 and the other end is connected with the second electric power path L2. 【課題】負荷に電力を安定に供給し、回生電力を有効に活用する。【解決手段】電源装置１０１は、負荷４、５と発電機１３が並列に接続されたバッテリ１２が接続される第１接続端子Ｃ１と、発電機１３で発生した回生電力を蓄電するキャパシタ１１が接続される第２接続端子Ｃ２と、被保護負荷６が接続される第３接続端子Ｃ３と、ＤＣ−ＤＣコンバータ９と、ＤＣ−ＤＣコンバータ９の動作を制御する制御部１０と、一端が第１接続端子Ｃ１に接続され、他端がＤＣ−ＤＣコンバータ９に設けられた第１入出力端子Ｔ１に接続された第１電力経路Ｌ１と、一端が第２接続端子Ｃ２に接続され、他端がＤＣ−ＤＣコンバータ９に設けられた第２入出力端子Ｔ２に接続された第２電力経路Ｌ２と、一端が第３接続端子Ｃ３に接続され、他端が第２電力経路Ｌ２に接続された第３電力経路Ｌ３とを備える。【選択図】図１