JP6888681B2 - 車両用電源システム - Google Patents
車両用電源システム Download PDFInfo
- Publication number
- JP6888681B2 JP6888681B2 JP2019536373A JP2019536373A JP6888681B2 JP 6888681 B2 JP6888681 B2 JP 6888681B2 JP 2019536373 A JP2019536373 A JP 2019536373A JP 2019536373 A JP2019536373 A JP 2019536373A JP 6888681 B2 JP6888681 B2 JP 6888681B2
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- Prior art keywords
- fuel cell
- power supply
- supply system
- vehicle power
- sofc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04865—Voltage
- H01M8/04888—Voltage of auxiliary devices, e.g. batteries, capacitors
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/0053—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/04—Cutting off the power supply under fault conditions
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/70—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by fuel cells
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/75—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using propulsion power supplied by both fuel cells and batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B60L53/62—Monitoring or controlling charging stations in response to charging parameters, e.g. current, voltage or electrical charge
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
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- B60L58/20—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules having different nominal voltages
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- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/40—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for controlling a combination of batteries and fuel cells
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- H01M16/00—Structural combinations of different types of electrochemical generators
- H01M16/003—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers
- H01M16/006—Structural combinations of different types of electrochemical generators of fuel cells with other electrochemical devices, e.g. capacitors, electrolysers of fuel cells with rechargeable batteries
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- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/043—Processes for controlling fuel cells or fuel cell systems applied during specific periods
- H01M8/04302—Processes for controlling fuel cells or fuel cell systems applied during specific periods applied during start-up
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- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
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- H01M8/04365—Temperature; Ambient temperature of other components of a fuel cell or fuel cell stacks
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- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
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- H02J7/90—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Fuel Cell (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
図1は、第1実施形態にかかる車両用電源システムの概略構成を説明する図である。
以下、第2実施形態について説明する。なお、第1実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。
以下、第3実施形態について説明する。なお、第1実施形態又は第2実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。
以下、第4実施形態について説明する。なお、第1〜第3実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。本実施形態では、第1〜第3実施形態で説明した構成の車両用電源システム100において、SOFC12の起動のシーンで実行されるFC接続リレー18を閉塞制御(以下、「起動時リレー閉塞制御」とも記載する)の一態様を説明する。
以下、第5実施形態について説明する。なお、第1〜第4実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。特に、本実施形態では、上記起動時リレー閉塞制御に関し、第4実施形態とは別の態様を説明する。
以下、第6実施形態について説明する。なお、第1〜第5実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。本実施形態では、FC接続リレー18の閉塞制御におけるSOFC12の発電許可判定を、第5実施形態のFC出力電圧検出値Vfc_dに代えてSOFC12の温度(スタック温度Ts)に基づいて行う。
以下、第7実施形態について説明する。なお、第1〜第6実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。特に、本第7実施形態、後述の第8〜第9実施形態では、第4〜第6実施形態で説明した起動時リレー閉塞制御(図4〜図6参照)によってFC接続リレー18が閉塞された後の制御の各態様を説明する。
以下、第8実施形態について説明する。なお、第1〜第7実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。本実施形態では、特に、第7実施形態で説明したSOFC停止関連制御とは別の態様のSOFC停止関連制御を説明する。
以下、第9実施形態について説明する。なお、第1〜第8実施形態と同様の要素には同一の符号を付し、その詳細な説明は省略する。本実施形態では、図10のステップS350又は図12のステップS460で説明したEAP処理を終了した後のEAP終了後制御について説明する。
Claims (18)
- 車両の走行モータに電力を供給するメインバッテリと、
少なくとも前記メインバッテリに電力を供給する燃料電池と、
前記メインバッテリと前記燃料電池を接続するメインラインと、
前記メインラインに配置され前記燃料電池の出力電圧を昇圧する充電部及び変圧部を備えた第1電圧変換器と、
前記メインラインにおいて前記充電部と前記燃料電池との間に設けられるリレーと、
前記車両又は前記燃料電池の補機に電力を供給する補機電力供給ラインに接続されたサブバッテリと、を有し、
前記燃料電池及び前記リレーが前記第1電圧変換器に対して入力側に配置され、
前記走行モータ及び前記メインバッテリが前記第1電圧変換器に対して出力側に配置された、車両用電源システムであって、
前記メインラインにおいて前記リレーと前記第1電圧変換器の入力側の前記充電部の間に接続され、前記サブバッテリから前記充電部に供給する電力を調節する第2電圧変換器を有する、
車両用電源システム。 - 請求項1に記載の車両用電源システムであって、
前記燃料電池の出力電圧を取得する燃料電池出力電圧取得部と、
取得された前記燃料電池の出力電圧に基づいて、前記リレーの開閉制御、及び前記第2電圧変換器の制御を実行するコントローラと、をさらに有する、
車両用電源システム。 - 請求項2に記載の車両用電源システムであって、
前記コントローラは、
前記燃料電池が起動するか否かを判定し、
該燃料電池が起動すると判断すると、前記第2電圧変換器を制御して前記サブバッテリから前記充電部への充電を行い、
前記充電部への充電の後に前記リレーを閉塞する、
車両用電源システム。 - 請求項3に記載の車両用電源システムであって、
前記コントローラは、
前記充電部の電圧と前記燃料電池の出力電圧の差が所定の閾値電圧差以下となるように、前記第2電圧変換器を制御して前記充電部への充電を行う、
車両用電源システム。 - 請求項4に記載の車両用電源システムであって、
前記コントローラは、
前記充電部の電圧が前記燃料電池の出力電圧以下となるように、前記第2電圧変換器を制御して前記充電部への充電を行う、
車両用電源システム。 - 請求項3〜5の何れか1項に記載の車両用電源システムであって、
前記コントローラは、
前記燃料電池の起動時に該燃料電池の発電が許可されているか否かを判定し、
該燃料電池の発電が許可されていると判断すると、前記第2電圧変換器を制御して前記充電部への充電を行い、
前記充電部への充電の後に前記リレーを閉塞する、
車両用電源システム。 - 請求項6に記載の車両用電源システムであって、
前記コントローラは、
前記燃料電池の発電が許可されているか否かの判定を、前記燃料電池の出力電圧が所定の閾値電圧以上であるか否かに基づいて行い、
前記燃料電池の出力電圧が前記閾値電圧以上である場合に、前記燃料電池の発電が許可されていると判断する、
車両用電源システム。 - 請求項6に記載の車両用電源システムであって、
前記燃料電池の温度を取得する燃料電池温度取得部をさらに有し、
前記コントローラは、
前記燃料電池の発電が許可されているか否かの判定を、取得された前記燃料電池の温度が所定の第1閾値温度以上であるか否かに基づいて行い、
前記燃料電池の温度が前記第1閾値温度以上である場合に、前記燃料電池の発電が許可されていると判断する、
車両用電源システム。 - 請求項3〜8の何れか1項に記載の車両用電源システムであって、
前記コントローラは、
前記リレーを閉塞すると、前記第2電圧変換器を停止する、
車両用電源システム。 - 請求項9に記載の車両用電源システムであって、
前記コントローラは、
前記第2電圧変換器の停止の後、前記燃料電池の発電停止要求があるか否かを判定し、
前記燃料電池の発電停止要求があると判断すると、前記燃料電池の発電を停止させ、
前記リレーが閉塞された状態のまま前記第2電圧変換器を再作動させ、
該再作動させた前記第2電圧変換器を制御して、前記サブバッテリから前記燃料電池に所定電圧を印加する燃料電池保護処理を実行する、
車両用電源システム。 - 請求項9に記載の車両用電源システムであって、
前記メインバッテリの充電量を取得する充電量取得部をさらに有し、
前記コントローラは、
前記第2電圧変換器の停止の後、前記燃料電池の発電停止要求があるか否かを判定し、
前記燃料電池の発電停止要求があると判断すると、前記燃料電池の発電を停止させ、
取得した前記メインバッテリの充電量が所定の第1充電量閾値を越えるか否かを判定し、
前記メインバッテリの充電量が前記第1充電量閾値を越えると判定すると、前記リレーが閉塞された状態のまま前記第2電圧変換器を再作動させ、
該再作動させた前記第2電圧変換器を制御して、前記サブバッテリから前記燃料電池に所定電圧を印加する燃料電池保護処理を実行する、
車両用電源システム。 - 請求項11に記載の車両用電源システムであって、
前記コントローラは、
前記燃料電池に対する再度の発電要求があった場合に、該燃料電池への燃料供給が開始されると、前記燃料電池保護処理を終了する、
車両用電源システム。 - 請求項11又は12に記載の車両用電源システムであって、
前記燃料電池の温度を取得する燃料電池温度取得部をさらに有し、
前記コントローラは、
取得された前記燃料電池の温度が第2閾値温度以下であると判断すると、前記燃料電池保護処理を終了する、
車両用電源システム。 - 請求項13に記載の車両用電源システムであって、
前記第2閾値温度は、前記燃料電池のアノード極内の酸化劣化が発生する温度に設定される、
車両用電源システム。 - 請求項12〜14の何れか1項に記載の車両用電源システムであって、
前記第2電圧変換器は、放電回路を含み、
前記コントローラは、
前記燃料電池保護処理が終了すると、前記リレーを閉塞状態としつつ、前記第1電圧変換器の前記充電部に充電された電力を前記放電回路により放電させ、
前記充電部の電力を放電すると、前記リレーを開放して前記第2電圧変換器を停止する、
車両用電源システム。 - 請求項1〜15の何れか1項に記載の車両用電源システムであって、
前記第2電圧変換器は、前記第1電圧変換器に一体に構成される、
車両用電源システム。 - 請求項1〜16の何れか1項に記載の車両用電源システムであって、
前記第1電圧変換器の前記変圧部は、トランスにより構成される、
車両用電源システム。 - 請求項1〜17の何れか1項に記載の車両用電源システムであって、
前記燃料電池は、最大出力電圧が60V未満となるように構成される、
車両用電源システム。
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| CN111038330B (zh) * | 2019-12-31 | 2021-06-25 | 永安行科技股份有限公司 | 氢燃料电池电堆的供电方法、系统、氢能源助力车及其传动方法、系统 |
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| CN114179615B (zh) * | 2020-09-15 | 2023-09-01 | 宇通客车股份有限公司 | 一种燃料电池车辆的碰撞处理控制方法及系统 |
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| JP7579170B2 (ja) * | 2021-02-16 | 2024-11-07 | 本田技研工業株式会社 | 電力供給回路 |
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| JP6579124B2 (ja) * | 2017-02-14 | 2019-09-25 | トヨタ自動車株式会社 | 燃料電池車両 |
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