JP7295505B2 - 車両の駆動ユニット - Google Patents
車両の駆動ユニット Download PDFInfo
- Publication number
- JP7295505B2 JP7295505B2 JP2021562522A JP2021562522A JP7295505B2 JP 7295505 B2 JP7295505 B2 JP 7295505B2 JP 2021562522 A JP2021562522 A JP 2021562522A JP 2021562522 A JP2021562522 A JP 2021562522A JP 7295505 B2 JP7295505 B2 JP 7295505B2
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- Prior art keywords
- vehicle
- harness
- inverter
- terminal block
- electric
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Classifications
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- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/30—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells
- B60L58/32—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling fuel cells for controlling the temperature of fuel cells, e.g. by controlling the electric load
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- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—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
- 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
- B60K6/42—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 characterised by the architecture of the hybrid electric vehicle
- B60K6/48—Parallel type
- B60K2006/4833—Step up or reduction gearing driving generator, e.g. to operate generator in most efficient speed range
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/04—Arrangement or mounting of internal-combustion or jet-propulsion units with the engine main axis, e.g. crankshaft axis, transversely to the longitudinal centre line of the vehicle
-
- 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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2200/00—Type of vehicle
- B60Y2200/90—Vehicles comprising electric prime movers
- B60Y2200/92—Hybrid vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2306/00—Other features of vehicle sub-units
- B60Y2306/01—Reducing damages in case of crash, e.g. by improving battery protection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/61—Arrangements of controllers for electric machines, e.g. inverters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2410/00—Constructional features of vehicle sub-units
- B60Y2410/115—Electric wiring; Electric connectors
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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
- Y02T10/62—Hybrid vehicles
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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
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- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Description
このようなハイブリット車両のエンジンルーム内には、モータやエンジン、該エンジンが稼働することによって発生する駆動力を電気エネルギに変換するジェネレータ及び交流、直流の変換をするインバータ等、複数の装置(駆動ユニット)が配設されている。また、インバータは、ジェネレータ及びモータと三相交流ハーネスによって電気的に接続されている。この三相交流ハーネスは、車両左右方向に撓むように配設されている(特許文献1)。
図1を参照すると、車両1の概略斜視図が示されている。
車両1は、駆動輪3、バッテリパック(走行用バッテリ)5及び駆動ユニット7を備えた所謂ハイブリット車両である。この車両は、車体2の車両前後方向中央下側に配設されたバッテリパック5から電力を供給された駆動ユニット7が駆動力を発生させることで駆動輪3を駆動して走行することが可能に構成されている。
以下、各装置等について詳しく説明する。なお、説明の便宜上、車両前後方向前方及び後方を単に前方または後方といい、車両左右方向左方及び右方を単に左方または右方といい、車両上下方向上方及び下方を単に上方または下方ともいう。
図2及び図3を参照すると、エンジンルーム10の上面図が示されており、図4を参照すると、エンジンルーム10の前面図が示されている。
駆動ユニット7は、エンジン(内燃機関)21、トランスアクスル(電動ユニット)23、減速機(変速機)24、ドライブシャフト25、インバータ27及び電動ブースタ(制動力付加装置)29を備えている。この駆動ユニット7のうち、エンジン21及びトランスアクスル23は、例えばエンジン21の上端右側に設けられた第1マウント7a、トランスアクスル23の上端左側に設けられた第2マウント7b及びエンジン21の下端後側に設けられた第3マウント7cを介して車体2に揺動可能に取り付けられている。エンジン21は、図示しない燃料タンクに貯留される燃料を燃焼して稼働する内燃機関である。このエンジン21は、稼働することでアウトプットシャフト21a(後述する図5参照)を駆動させることが可能である。トランスアクスル23は、エンジン21の左側の接合面(接合部)23aに固定された電動ユニットであり、ジェネレータ(第1電動機)31及びモータ(第2電動機)33を有している。
直流用回路53は、インバータ27の上部における段差部51より後側に内設される回路である。
交流端子台55は、インバータ27の上部右側の段差部51の左側面に配設される端子台である。この交流端子台55には、第1ハーネス41の一端41a及び第2ハーネス42の一端42aが交流端子台55から右方に延びるように接続される。
図7を参照すると、トランスアクスル23、減速機24及びインバータ27の左側面図が示されている。また、図8を参照すると、トランスアクスル23及び減速機24の前面図が示されている。ジェネレータ31の上端31aには第1端子台61が、モータ33の前端33aには第2端子台62が、それぞれ設けられている。第1端子台61は、第1ハーネス41の他端41bが電気的に接続される端子台であり、ジェネレータ31とインバータ27とで第1ハーネス41を介して通電可能に構成されている。第2端子台62は、第2ハーネス42の他端42bが電気的に接続される端子台であり、モータ33とインバータ27とで第2ハーネス42を介して通電可能に構成されている。
第3ハーネス43及び第4ハーネス44は、直流電流を通電させるハーネスである。したがって、ジェネレータ31やモータ33によって発電された交流電流を直流に変換してから第3ハーネス43及び第4ハーネス44に供給する必要がある。ゆえに、インバータ27における直流端子台57の後側に直流用回路53を配設することで段差部51を形成し、インバータ27、各ハーネス等を総合的に鑑みて小型化することや、車両衝突時における第3ハーネス43の変形や破損を抑制することができ、車両保護性を向上させることができる。
そして、第1ハーネス41及び第2ハーネス42は、車両前後方向後方に撓むように形成したので、トランスアクスル23とインバータ27とが相対的に移動するような場合に第1ハーネス41及び第2ハーネス42に加わる引張力をより低減することができる。
そして、電動エアコンプレッサ64は、エンジン21の前後方向前側かつ車両左右方向で視て直流端子台57よりエンジン21側に配設されており、第4ハーネス44は、車両上下方向で視て第1ハーネス41及び第2ハーネス42が車両前後方向後方に撓んでインバータ27との間に形成された通路Sを通って延びるので、通路S、すなわち第1ハーネス41及び第2ハーネス42がエンジン21側に撓む範囲のトランスアクスル23側を第4ハーネス44が延びるようにすることができ、例えばエンジン21、トランスアクスル23及び減速機24がインバータ27に対して相対的に移動するような場合であっても、第1ハーネス41及び第2ハーネス42により第4ハーネス44が想定以上に揺動することを抑制することができる。
例えば、本実施形態では、モータ33をジェネレータ31の後側かつ上側に位置させるようにしたが、ジェネレータ31とモータ33との位置を逆にする、換言すると、ジェネレータ31をモータ33の後側かつ上側に位置させるようにしてもよい。
また、本実施形態では、第1ハーネス41及び第2ハーネス42を車両前後方向後方に撓ませるようにしたが、前方に撓ませるようにしてもよく、各装置等の位置関係から適宜変更するようにしてもよい。
本発明の第8実施態様においては、液体を貯留する容器をインバータ27の後方に配置しておくことで、該容器をクッションのように作用させ、インバータの破損を防止することができる。
3a 制動装置
5 バッテリパック(走行用バッテリ)
9 空調装置
10 エンジンルーム
21 エンジン(内燃機関)
23 トランスアクスル(電動ユニット)
23a 接合面(接合部)
24 減速機(変速機)
27 インバータ
29 電動ブースタ(制動力付加装置)
31 ジェネレータ(第1電動機)
33 モータ(第2電動機)
41 第1ハーネス
42 第2ハーネス
43 第3ハーネス
44 第4ハーネス
51 段差部
61 第1端子台
62 第2端子台
64 電動エアコンプレッサ
71 冷媒配管
73 コンデンスタンク(容器)
S 通路(空間)
Claims (8)
- 車両のエンジンルーム内に配設される内燃機関と、
前記内燃機関の駆動により発電する第1電動機及び前記車両の走行用バッテリから供給される電力により駆動する第2電動機を有し、前記内燃機関の車両左右方向一方に配設される電動ユニットと、
前記電動ユニットの上方に配設されるインバータと、
前記インバータと前記第1電動機とを電気的に接続する第1ハーネスと、
前記インバータと前記第2電動機とを電気的に接続する第2ハーネスと、を備える車両の駆動ユニットであって、
前記インバータは、車両上下方向上端の車両左右方向一方側または他方側に凹むよう形成される段差部と、
前記段差部の側面に配設され、前記第1ハーネス及び前記第2ハーネスがそれぞれ接続される交流端子台と、を有し、
前記第1ハーネスは、前記交流端子台から前記インバータにおける車両左右方向の前記段差部が形成される側の外方に向かって延びつつ下方に延びて前記第1電動機の上部に接続され、
前記第2ハーネスは、前記交流端子台から前記インバータにおける車両左右方向の前記段差部が形成される側の外方に向かって延びつつ下方に延びて前記第2電動機の上部に接続される車両の駆動ユニット。 - 前記第1ハーネス及び前記第2ハーネスは、車両前後方向前方または後方に撓んでなる、請求項1に記載の車両の駆動ユニット。
- 前記内燃機関と前記電動ユニットとの間に配設される変速機をさらに備え、
前記インバータの前記段差部は、車両上下方向上端の前記内燃機関側に、該内燃機関から離間する方向に凹むよう形成され、
前記第1ハーネスは、前記交流端子台から車両左右方向の前記内燃機関に向かって延びつつ下方に延びて前記第1電動機の上部に接続され、
前記第2ハーネスは、前記交流端子台から車両左右方向の前記内燃機関に向かって延びつつ下方に延びて前記第2電動機の上部に接続され、
前記第1ハーネス及び前記第2ハーネスは、前記変速機と前記内燃機関との接合部より車両左右方向で視て前記電動ユニット側に位置する、請求項1または2に記載の車両の駆動ユニット。 - 前記車両を制動させる制動装置と、
前記制動装置の作動に要する力を付加する制動力付加装置と、を備え、
前記制動力付加装置は、前記電動ユニットの車両前後方向後側及び上下方向上側に位置し、
前記インバータは、車両前後方向で視て後端の上下方向下部が、前記制動力付加装置の車両上下方向中央より上側及び前後方向前側に位置するよう前傾して配設される、請求項1~3のいずれか一項に記載の車両の駆動ユニット。 - 前記インバータと前記走行用バッテリとを電気的に接続する第3ハーネスと、
前記エンジンルーム内に配設され、前記車両の車室内の空気の温度を調整する空調装置に用いられる電動エアコンプレッサと、
前記インバータと前記電動エアコンプレッサとを電気的に接続する第4ハーネスと、を備え、
前記インバータは、前記段差部に配設された前記交流端子台より後方に前記第3ハーネスと前記第4ハーネスとがそれぞれ接続される直流端子台が配設されており、
前記第3ハーネス及び前記第4ハーネスは、それぞれ前記直流端子台から車両左右方向一方側に向かって延びるよう取り付けられてなる、請求項1~4のいずれか一項に記載の車両の駆動ユニット。 - 前記電動エアコンプレッサは、前記内燃機関の前後方向前側かつ車両左右方向で視て前記直流端子台より前記内燃機関側に配設されており、
前記第4ハーネスは、車両上下方向で視て前記第1ハーネス及び前記第2ハーネスが車両前後方向後方に撓んで前記インバータとの間に形成された空間を通って延びる、請求項2を引用する請求項5に記載の車両の駆動ユニット。 - 前記インバータの前端部及び後端部の各々に接続され、前記インバータを冷却する冷媒が流通する冷媒配管を備える、請求項1~6のいずれか一項に記載の車両の駆動ユニット。
- 前記インバータと車長方向に並んで車両後方側に配置され、液体を貯留する容器を備える、請求項1~7のいずれか一項に記載の車両の駆動ユニット。
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EP4070980A1 (en) | 2022-10-12 |
CN114728622A (zh) | 2022-07-08 |
EP4070980B1 (en) | 2023-10-11 |
US20220324315A1 (en) | 2022-10-13 |
EP4070980A4 (en) | 2023-01-25 |
JPWO2021111809A1 (ja) | 2021-06-10 |
US20220371529A1 (en) | 2022-11-24 |
EP4070979B1 (en) | 2024-05-22 |
US11912133B2 (en) | 2024-02-27 |
JPWO2021111810A1 (ja) | 2021-06-10 |
EP4070979A1 (en) | 2022-10-12 |
WO2021111810A1 (ja) | 2021-06-10 |
CN114728569A (zh) | 2022-07-08 |
WO2021111809A1 (ja) | 2021-06-10 |
EP4070979A4 (en) | 2023-07-12 |
US12077049B2 (en) | 2024-09-03 |
JP7295504B2 (ja) | 2023-06-21 |
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