JP6987187B1 - 回生制動システム、及び、それを用いた電気駆動作業車両 - Google Patents
回生制動システム、及び、それを用いた電気駆動作業車両 Download PDFInfo
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- JP6987187B1 JP6987187B1 JP2020120231A JP2020120231A JP6987187B1 JP 6987187 B1 JP6987187 B1 JP 6987187B1 JP 2020120231 A JP2020120231 A JP 2020120231A JP 2020120231 A JP2020120231 A JP 2020120231A JP 6987187 B1 JP6987187 B1 JP 6987187B1
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Classifications
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- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/92—Energy efficient charging or discharging systems for batteries, ultracapacitors, supercapacitors or double-layer capacitors specially adapted for vehicles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Life Sciences & Earth Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Control Of Charge By Means Of Generators (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Description
本発明の第1の実施の形態を図1〜図13参照しつつ説明する。
本発明の第2の実施の形態を図14〜図17を参照しつつ説明する。
なお、本発明は上記の実施の形態に限定されるものではなく、その要旨を逸脱しない範囲内の様々な変形例や組み合わせが含まれる。また、本発明は、上記の実施の形態で説明した全ての構成を備えるものに限定されず、その構成の一部を削除したものも含まれる。また、上記の各構成、機能等は、それらの一部又は全部を、例えば集積回路で設計する等により実現してもよい。また、上記の各構成、機能等は、プロセッサがそれぞれの機能を実現するプログラムを解釈し、実行することによりソフトウェアで実現してもよい。
Claims (3)
- エンジンに接続される第一の発電機および第二の発電機と、
前記第一の発電機に接続され、前記第一の発電機の出力を整流して直流電力として第一の直流ラインに出力する第一の整流回路と、
前記第一の直流ラインと電動機の間に接続されるインバータと、
前記第一の直流ラインに接続され、前記第一の直流ラインの電力を消費可能な電力消費装置と、
前記第二の発電機に接続され、前記第二の発電機の出力を整流して直流電力として第二の直流ラインに出力する第二の整流回路と、
前記第二の直流ラインに接続される補機装置と、
前記第一の直流ラインの電力を変換して前記第二の直流ラインに供給する第一の電力変換装置と、
蓄電装置と、
前記蓄電装置を放電して前記第二の直流ラインに電力を供給する放電動作と、前記第二の直流ラインの電圧を前記蓄電装置の電圧に変換して前記蓄電装置を充電する充電動作とを切り換えて行う第二の電力変換装置と、
制御装置とを備えた回生制動システムにおいて、
前記制御装置は、前記電動機の駆動対象に係る情報に基づいて、前記電動機が回生動作を行っているか否かを判定し、
前記回生動作中であると判定した場合には、
前記第二の直流ラインの電圧が、前記補機装置の動作電圧仕様に基づいて予め定めた第一の電圧値となるように前記第二の発電機を制御し、
前記第二の直流ラインの電圧が、前記補機装置の動作電圧仕様に基づいて予め定めた電圧値であって前記第一の電圧値よりも高い第二の電圧値となるように前記第二の電力変換装置を制御し、
前記第二の直流ラインの電圧が、前記補機装置の動作電圧仕様に基づいて予め定めた電圧値であって前記第二の電圧値よりも高い第三の電圧値となるように前記第一の電力変換装置を制御し、
前記回生動作が終了したと判定した場合には、
前記第一の電力変換装置を停止し、前記第二の発電機、及び、前記第二の電力変換装置を前記回生動作中と同様に制御することを特徴とする回生制動システム。 - 請求項1記載の回生制動システムにおいて、
前記制御装置は、
前記回生動作が終了したと判定した場合には、
前記回生動作が終了した時点から所定の時間が経過するまでの間、前記蓄電装置の放電のみによって前記補機装置を駆動できるように前記蓄電装置の放電電流の上限値を設定し、
前記所定の時間が経過した後、前記蓄電装置の放電電流の上限値を時間の経過とともに減少させるように前記第二の電力変換装置を制御することを特徴とする回生制動システム。 - エンジンと、
請求項1記載の回生制動システムと、
前記回生制動システムの前記第一の発電機から前記第一の整流回路を介して前記第一の直流ラインに出力される電力で動作するとともに、前記第一の直流ラインに回生電力を出力する前記電動機を走行モータとして駆動される駆動輪と
を備えたことを特徴とする電気駆動作業車両。
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CN202180043319.0A CN115943100A (zh) | 2020-07-13 | 2021-05-28 | 再生制动系统以及使用该系统的电驱动作业车辆 |
US18/015,236 US20230261591A1 (en) | 2020-07-13 | 2021-05-28 | Regenerative Braking System, and Electrically Driven Work Vehicle Using the Same |
EP21842839.9A EP4180259A1 (en) | 2020-07-13 | 2021-05-28 | Regenerative braking system and electrically driven work vehicle using same |
PCT/JP2021/020556 WO2022014177A1 (ja) | 2020-07-13 | 2021-05-28 | 回生制動システム、及び、それを用いた電気駆動作業車両 |
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