JP2017052446A5 - - Google Patents
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- JP2017052446A5 JP2017052446A5 JP2015178792A JP2015178792A JP2017052446A5 JP 2017052446 A5 JP2017052446 A5 JP 2017052446A5 JP 2015178792 A JP2015178792 A JP 2015178792A JP 2015178792 A JP2015178792 A JP 2015178792A JP 2017052446 A5 JP2017052446 A5 JP 2017052446A5
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- storage battery
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- power supply
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- 239000004065 semiconductor Substances 0.000 claims 27
- 238000007599 discharging Methods 0.000 claims 2
Claims (14)
前記第１蓄電池から前記第２電気負荷に電力供給する第１経路（Ｌ１）に設けられた第１スイッチ（２１）と、
前記第２蓄電池から前記第２電気負荷に電力供給する第２経路（Ｌ２）に設けられた第２スイッチ（２２）と、
前記第１蓄電池及び前記第１スイッチの間の第１分岐点（Ｎ１）と、前記第２蓄電池及び前記第２スイッチの間の第２分岐点（Ｎ２）とを接続する接続経路（Ｌ３，Ｌ４）において、直列でかつ順方向が向き合うように互いに逆向きに接続された第１ダイオード（Ｄ１）及び第２ダイオード（Ｄ２）と、
を備え、
前記第１ダイオード及び前記第２ダイオードの少なくともいずれかは、前記接続経路において半導体スイッチ（２３，２４）の入出力端子間に並列に接続されて設けられており、
前記第１ダイオード及び前記第２ダイオードのうち前記第１蓄電池の側の前記第１ダイオードのアノードが前記第１分岐点に接続された構成と、前記第２蓄電池の側の前記第２ダイオードのアノードが前記第２分岐点に接続された構成との少なくともいずれかを有し、
前記第１ダイオード及び前記第２ダイオードの各カソードの間となる中間点（Ｎ３）に、前記第１電気負荷に電力供給する給電経路（Ｌ５）が接続される構成となっている電源装置。 A first storage battery (11) and a second storage battery (12) are provided, and power is supplied from at least one of the first storage battery and the second storage battery to the first electrical load (15) and the second electrical load (16). Applied to the power supply system,
A first switch (21) provided in a first path (L1) for supplying power from the first storage battery to the second electrical load;
A second switch (22) provided in a second path (L2) for supplying power from the second storage battery to the second electrical load;
A connection path (L3, L4) connecting the first branch point (N1) between the first storage battery and the first switch and the second branch point (N2) between the second storage battery and the second switch. ), A first diode (D1) and a second diode (D2) connected in series and in opposite directions so that the forward directions face each other ,
With
At least one of the first diode and the second diode is provided in parallel between the input / output terminals of the semiconductor switch (23, 24) in the connection path,
A configuration in which an anode of the first diode on the first storage battery side of the first diode and the second diode is connected to the first branch point, and an anode of the second diode on the second storage battery side Having at least one of the configurations connected to the second branch point,
A power supply apparatus configured such that a power supply path (L5) for supplying power to the first electric load is connected to an intermediate point (N3) between the cathodes of the first diode and the second diode.
前記制御部は、前記第１スイッチがオン、前記第２スイッチがオフの場合に、前記第１半導体スイッチをオフ、前記第２半導体スイッチをオンに制御し、前記第１スイッチがオフ、前記第２スイッチがオンの場合に、前記第１半導体スイッチをオン、前記第２半導体スイッチをオフに制御する請求項２に記載の電源装置。 The first diode is connected in parallel between the input and output terminals of the first semiconductor switch (23) on the first storage battery side with respect to the intermediate point, and the second diode is connected to the intermediate point. On the other hand, on the side of the second storage battery, it is provided connected in parallel between the input and output terminals of the second semiconductor switch (24),
The control unit controls the first semiconductor switch to be turned off and the second semiconductor switch to be turned on when the first switch is turned on and the second switch is turned off, and the first switch is turned off. 3. The power supply device according to claim 2 , wherein, when two switches are on, the first semiconductor switch is controlled to be on and the second semiconductor switch is controlled to be off.
前記第１蓄電池と前記第２蓄電池とは蓄電状態に対する開放電圧の相関が相違しており、
前記制御部は、前記各蓄電池における開放電圧の差に基づいて、前記第１半導体スイッチ及び前記第２半導体スイッチのオンオフを制御する請求項２又は３に記載の電源装置。 The first diode is connected in parallel between the input and output terminals of the first semiconductor switch (23) on the first storage battery side with respect to the intermediate point, and the second diode is connected to the intermediate point. On the other hand, on the side of the second storage battery, it is provided connected in parallel between the input and output terminals of the second semiconductor switch (24),
The first storage battery and the second storage battery have different open-circuit voltage correlations with respect to the storage state,
4. The power supply device according to claim 2 , wherein the control unit controls on / off of the first semiconductor switch and the second semiconductor switch based on a difference between open-circuit voltages in the storage batteries. 5.
前記第１ダイオード及び前記第２ダイオードのうち前記中間点に対して前記第２蓄電池の側の前記第２ダイオードのみが、前記半導体スイッチの入出力端子間に並列に接続されて設けられている請求項１又は２に記載の電源装置。 The second storage battery is a storage battery having high energy efficiency during charging and discharging compared to the first storage battery,
Only the second diode on the second storage battery side with respect to the intermediate point among the first diode and the second diode is provided in parallel between the input and output terminals of the semiconductor switch. Item 3. The power supply device according to Item 1 or 2 .
前記一対の半導体スイッチのうちいずれかの半導体スイッチの側の前記ダイオードにより、前記第１ダイオード及び前記第２ダイオードのいずれかが構成されている請求項１又は２に記載の電源装置。 The connection path has diodes (D3, D4) connected in parallel between the input and output terminals on one side of the intermediate point, and the diodes are in opposite directions. A pair of semiconductor switches (51, 52) connected in series at
3. The power supply device according to claim 1, wherein one of the first diode and the second diode is configured by the diode on a semiconductor switch side of the pair of semiconductor switches.
前記接続経路において前記中間点を挟んで両側のうち前記第２蓄電池の側に、前記一対の半導体スイッチが設けられている請求項６に記載の電源装置。 The second storage battery is a storage battery having high energy efficiency during charging and discharging compared to the first storage battery,
The power supply device according to claim 6 , wherein the pair of semiconductor switches are provided on the second storage battery side of both sides of the connection path with the intermediate point in between.
前記第１蓄電池から前記第２電気負荷に電力供給する第１経路（Ｌ１）に設けられた第１スイッチ（２１）と、
前記第２蓄電池から前記第２電気負荷に電力供給する第２経路（Ｌ２）に設けられた第２スイッチ（２２）と、
前記第１蓄電池及び前記第１スイッチの間の第１分岐点（Ｎ１）と、前記第２蓄電池及び前記第２スイッチの間の第２分岐点（Ｎ２）とを接続する接続経路（Ｌ３，Ｌ４）において、直列でかつ順方向が向き合うように互いに逆向きに接続された第１ダイオード（Ｄ１）及び第２ダイオード（Ｄ２）と、
を備え、
前記第１ダイオードは、前記第１ダイオード及び前記第２ダイオードの各カソードの間となる中間点（Ｎ３）に対して前記第１蓄電池の側において第１半導体スイッチ（２３）の入出力端子間に並列に接続されて設けられ、前記第２ダイオードは、前記中間点に対して前記第２蓄電池の側において第２半導体スイッチ（２４）の入出力端子間に並列に接続されて設けられており、
前記中間点に、前記第１電気負荷に電力供給する給電経路（Ｌ５）が接続される構成となっており、
前記各蓄電池における開放電圧の差に基づいて、前記第１半導体スイッチ及び前記第２半導体スイッチのオンオフを制御する制御部（３０）を備える電源装置。 A first storage battery (11) and a second storage battery (12) are provided, and the first storage battery and the second storage battery have different open-circuit voltage correlations with respect to the storage state, and the first electric load (15) and the second storage battery Applied to a power supply system that supplies power from at least one of the first storage battery and the second storage battery to two electrical loads (16),
A first switch (21) provided in a first path (L1) for supplying power from the first storage battery to the second electrical load;
A second switch (22) provided in a second path (L2) for supplying power from the second storage battery to the second electrical load;
A connection path (L3, L4) connecting the first branch point (N1) between the first storage battery and the first switch and the second branch point (N2) between the second storage battery and the second switch. ), A first diode (D1) and a second diode (D2) connected in series and in opposite directions so that the forward directions face each other ,
With
The first diode is connected between input and output terminals of the first semiconductor switch (23) on the first storage battery side with respect to an intermediate point (N3) between the cathodes of the first diode and the second diode. The second diode is provided connected in parallel between the input and output terminals of the second semiconductor switch (24) on the second storage battery side with respect to the intermediate point, and provided in parallel.
Before SL during point has a configuration which power supplied power supply path (L5) is connected to the first electrical load,
A power supply apparatus provided with the control part (30) which controls ON / OFF of a said 1st semiconductor switch and a said 2nd semiconductor switch based on the difference of the open circuit voltage in each said storage battery .
前記第１蓄電池から前記第２電気負荷に電力供給する第１経路（Ｌ１）に設けられた第１スイッチ（２１）と、
前記第２蓄電池から前記第２電気負荷に電力供給する第２経路（Ｌ２）に設けられた第２スイッチ（２２）と、
前記第１蓄電池及び前記第１スイッチの間の第１分岐点（Ｎ１）と、前記第２蓄電池及び前記第２スイッチの間の第２分岐点（Ｎ２）とを接続する接続経路（Ｌ３，Ｌ４）において、直列でかつ順方向が向き合うように互いに逆向きに接続された第１ダイオード（Ｄ１）及び第２ダイオード（Ｄ２）と、
を備え、
前記第１ダイオード及び前記第２ダイオードのうち前記第２蓄電池の側の前記第２ダイオードのみが、前記接続経路において半導体スイッチ（２４）の入出力端子間に並列に接続されて設けられており、
前記第１ダイオード及び前記第２ダイオードの各カソードの間となる中間点（Ｎ３）に、前記第１電気負荷に電力供給する給電経路（Ｌ５）が接続される構成となっている電源装置。 A first storage battery (11) and a second storage battery (12) are provided, and the second storage battery is a storage battery having higher energy efficiency at the time of charge and discharge than the first storage battery, and the first electrical load (15) Applied to a power supply system for supplying power from at least one of the first storage battery and the second storage battery to a second electrical load (16);
A first switch (21) provided in a first path (L1) for supplying power from the first storage battery to the second electrical load;
A second switch (22) provided in a second path (L2) for supplying power from the second storage battery to the second electrical load;
A connection path (L3, L4) connecting the first branch point (N1) between the first storage battery and the first switch and the second branch point (N2) between the second storage battery and the second switch. ), A first diode (D1) and a second diode (D2) connected in series and in opposite directions so that the forward directions face each other ,
With
Of the first diode and the second diode, only the second diode on the second storage battery side is provided connected in parallel between the input and output terminals of the semiconductor switch (24) in the connection path,
A power supply apparatus configured such that a power supply path (L5) for supplying power to the first electric load is connected to an intermediate point (N3) between the cathodes of the first diode and the second diode.
前記第１経路及び前記第２経路は、前記発電機からの発電電力を流す大電力経路であり、前記接続経路及び前記給電経路は、前記第１経路及び前記第２経路よりも最大許容電力の小さい小電力経路である請求項１乃至１３のいずれか１項に記載の電源装置。 A generator (17) for supplying electric power for charging to the first storage battery and the second storage battery, enabling charging from the generator to the first storage battery via the first path; Enabling charging from the generator to the second storage battery via a second path;
The first path and the second path are large power paths through which the generated power from the generator flows, and the connection path and the power feeding path have a maximum allowable power than the first path and the second path. The power supply device according to any one of claims 1 to 13 , which is a small low power path.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015178792A JP6468138B2 (en) | 2015-09-10 | 2015-09-10 | Power supply |
| PCT/JP2016/076661 WO2017043641A1 (en) | 2015-09-10 | 2016-09-09 | Power source apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015178792A JP6468138B2 (en) | 2015-09-10 | 2015-09-10 | Power supply |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2017052446A JP2017052446A (en) | 2017-03-16 |
| JP2017052446A5 true JP2017052446A5 (en) | 2017-12-21 |
| JP6468138B2 JP6468138B2 (en) | 2019-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2015178792A Active JP6468138B2 (en) | 2015-09-10 | 2015-09-10 | Power supply |
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| Country | Link |
|---|---|
| JP (1) | JP6468138B2 (en) |
| WO (1) | WO2017043641A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6540565B2 (en) * | 2016-03-16 | 2019-07-10 | 株式会社オートネットワーク技術研究所 | Power supply system for vehicle, drive system for vehicle |
| JP6904051B2 (en) * | 2017-05-17 | 2021-07-14 | 株式会社オートネットワーク技術研究所 | Vehicle power supply |
| JP7013745B2 (en) * | 2017-09-12 | 2022-02-15 | 株式会社デンソー | Battery pack |
| JP7098911B2 (en) * | 2017-11-06 | 2022-07-12 | 株式会社デンソー | Power system |
| EP3626505A1 (en) * | 2018-09-18 | 2020-03-25 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | A system and method for providing redundant electric power |
| JP7067434B2 (en) * | 2018-11-15 | 2022-05-16 | トヨタ自動車株式会社 | Charging device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007062955B4 (en) * | 2007-12-21 | 2011-06-01 | Catem Develec Gmbh & Co. Kg | Circuit for voltage stabilization of a vehicle electrical system |
| JP5488046B2 (en) * | 2010-02-25 | 2014-05-14 | 株式会社デンソー | In-vehicle power supply |
| JP5488169B2 (en) * | 2010-04-27 | 2014-05-14 | 株式会社デンソー | Power supply |
| JP6111967B2 (en) * | 2013-10-08 | 2017-04-12 | 株式会社オートネットワーク技術研究所 | Power system |
| DE102014201348A1 (en) * | 2014-01-27 | 2015-07-30 | Robert Bosch Gmbh | Method for operating a vehicle electrical system |
| JP6090199B2 (en) * | 2014-02-14 | 2017-03-08 | 株式会社デンソー | Battery unit |
-
2015
- 2015-09-10 JP JP2015178792A patent/JP6468138B2/en active Active
-
2016
- 2016-09-09 WO PCT/JP2016/076661 patent/WO2017043641A1/en active Application Filing
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