JP2011006050A - Electric component mounting structure for electric vehicle - Google Patents
Electric component mounting structure for electric vehicle Download PDFInfo
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- JP2011006050A JP2011006050A JP2010005092A JP2010005092A JP2011006050A JP 2011006050 A JP2011006050 A JP 2011006050A JP 2010005092 A JP2010005092 A JP 2010005092A JP 2010005092 A JP2010005092 A JP 2010005092A JP 2011006050 A JP2011006050 A JP 2011006050A
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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
- 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
- B60L50/64—Constructional details of batteries specially adapted for 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
- 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
- B60L50/66—Arrangements of batteries
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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
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
Description
本発明は、電気自動車の電気部品搭載構造に関する。 The present invention relates to an electric component mounting structure for an electric vehicle.
従来、電動モータや、インバータ、充電器等の電気部品を車両の前部に集約させて配置した電気自動車が知られている（特許文献１）。 2. Description of the Related Art Conventionally, an electric vehicle in which electric parts such as an electric motor, an inverter, and a charger are arranged at the front of a vehicle is known (Patent Document 1).
しかしながら、上記従来技術のように、電動モータや、インバータ、充電器等、比較的重い電気部品を多数集約させて配置すると、車両の重量バランスをとりにくくなるという問題があった。 However, when a large number of relatively heavy electrical components such as an electric motor, an inverter, and a charger are arranged in a concentrated manner as in the prior art, there is a problem that it is difficult to balance the weight of the vehicle.
そこで、本発明は、より車両の重量バランスをとりやすくすることが可能な電気自動車の電気部品搭載構造を得ることを目的とする。 Therefore, an object of the present invention is to obtain an electric component mounting structure for an electric vehicle that can more easily balance the weight of the vehicle.
本発明にあっては、低電圧電力を高電圧に変換するトランスを含む充電器と、この充電器とは別の強電部品と、複数のバッテリを一体に含むバッテリアセンブリと、を車体に搭載した電気自動車の電気部品搭載構造であって、前記充電器とは別の前記強電部品と前記充電器とを、前記バッテリアセンブリを挟んで前後に配置したことを最も主要な特徴とする。 In the present invention, a charger including a transformer that converts low-voltage power into a high voltage, a high-power component that is different from the charger, and a battery assembly that integrally includes a plurality of batteries are mounted on the vehicle body. The electric component mounting structure of an electric vehicle is characterized in that the high-power component different from the charger and the charger are arranged on the front and rear sides of the battery assembly.
本発明によれば、充電器と強電部品とが車両の前後に分散して配置される分、車両の重量バランスをとりやすくなる。 According to the present invention, it is easy to balance the weight of the vehicle by the amount that the charger and the high-power component are distributed in the front and rear of the vehicle.
以下、本発明の実施形態について図面を参照しながら詳細に説明する。各図中、ＦＲは車両前方、ＵＰは車両上方、ＷＤは車幅方向を示す。 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In each figure, FR indicates the front of the vehicle, UP indicates the upper side of the vehicle, and WD indicates the vehicle width direction.
本実施形態にかかる車両１では、車体２の前部に搭載された車両駆動用の電動モータ３Ｍによって前輪Ｗｆが駆動される。また、図１，図２等に示すように、車体２には、比較的重量の大きい電気部品として、電動モータ３Ｍの他、インバータ４、回路ボックス５、充電器６、バッテリアセンブリ７、空調システム等で用いられるＰＴＣヒータ２５（図５参照）、空調システムで用いられる電動コンプレッサ２６（図５参照）などが搭載されている。本実施形態では、これらのうち、電動モータ３Ｍ、インバータ４、回路ボックス５、ＰＴＣヒータ２５、および電動コンプレッサ２６は、車両前後方向の前部に配置され、バッテリアセンブリ７は車両前後方向の中央部に配置され、充電器６は車両前後方向の後部に配置されている。このように複数の電気部品を車両前後方向に適宜に分散して配置することによって、車両１の前後方向の重量バランスをとりやすくなっている。 In the vehicle 1 according to the present embodiment, the front wheels Wf are driven by a vehicle driving electric motor 3M mounted on the front portion of the vehicle body 2. As shown in FIGS. 1 and 2, etc., the vehicle body 2 includes an electric motor 3M, an inverter 4, a circuit box 5, a charger 6, a battery assembly 7, an air conditioning system as electric parts having a relatively heavy weight. A PTC heater 25 (see FIG. 5) used in the air conditioning system, an electric compressor 26 (see FIG. 5) used in the air conditioning system, and the like are mounted. In the present embodiment, among these, the electric motor 3M, the inverter 4, the circuit box 5, the PTC heater 25, and the electric compressor 26 are arranged at the front part in the vehicle front-rear direction, and the battery assembly 7 is the center part in the vehicle front-rear direction. The charger 6 is arranged at the rear part in the vehicle front-rear direction. As described above, by arranging a plurality of electrical components appropriately dispersed in the vehicle front-rear direction, the weight balance in the front-rear direction of the vehicle 1 can be easily achieved.
図３，図４等に示すように、車両１の前部には、フロントコンパートメント８が形成されている。フロントコンパートメント８は、後側のダッシュパネル９と、車幅方向両側のフェンダパネル（図示せず）と、前側のバンパ１０ａやグリル１０ｂ等と、で囲まれた空間であり、その上側開口部をフードパネル１０ｃで開閉可能に塞がれている。そして、このフロントコンパートメント８内に、車両駆動用の電動モータ３Ｍと減速機３Ｒとを一体化したパワーユニット３や、インバータ４、回路ボックス５、ＰＴＣヒータ２５等の各種部品が収容されている。回路ボックス５は、図５に示すように、例えば、ＤＣ／ＤＣコンバータ５ａや、ヒューズ５ｂ、電圧計５ｃ、リレー５ｄ，５ｄａ等を筐体５ｅ（図３参照）内に収容したものとして構成することができる。なお、ＤＣ／ＤＣコンバータ５ａで低電圧に変換された電力はバッテリ（低電圧バッテリ）２７（図５参照）等に供給される。 As shown in FIGS. 3 and 4, a front compartment 8 is formed in the front portion of the vehicle 1. The front compartment 8 is a space surrounded by a rear dash panel 9, fender panels (not shown) on both sides in the vehicle width direction, a front bumper 10a, a grill 10b, and the like. The food panel 10c is closed so that it can be opened and closed. In the front compartment 8, various components such as a power unit 3 in which an electric motor 3M for driving a vehicle and a reduction gear 3R are integrated, an inverter 4, a circuit box 5, and a PTC heater 25 are accommodated. As shown in FIG. 5, the circuit box 5 is configured such that, for example, a DC / DC converter 5a, a fuse 5b, a voltmeter 5c, relays 5d, 5da, and the like are accommodated in a housing 5e (see FIG. 3). be able to. The electric power converted into a low voltage by the DC / DC converter 5a is supplied to a battery (low voltage battery) 27 (see FIG. 5) and the like.
そして、図４に示すように、フロントコンパートメント８の車幅方向両側には、前後方向に略沿うフロントサイドメンバ１１が延設され、フロントサイドメンバ１１の上方の車幅方向両側で、前後方向に略沿うフードリッジメンバ１２が延設されている。また、左右のフロントサイドメンバ１１間には、車幅方向に略沿うクロスメンバ１３Ｆ，１３Ｒが前後に間隔をあけて架設されている。これら二つのクロスメンバ１３Ｆ，１３Ｒには、サブメンバ１３ａ，１３ｂが取り付けられており、クロスメンバ１３Ｆ，１３Ｒの補強や、インバータ４や、回路ボックス５、ＰＴＣヒータ２５、電動コンプレッサ２６等の各種部品の取り付けなどに利用されている。本実施形態では、フロントサイドメンバ１１や、フードリッジメンバ１２、クロスメンバ１３Ｆ，１３Ｒ、サブメンバ１３ａ，１３ｂ等が、車両１の前部の車体骨格部材（車体２）に相当する。なお、電気部品の車体２への取り付けに際しては適宜にボルトやナット等の締結具やブラケット等が利用されている。 As shown in FIG. 4, front side members 11 extending substantially in the front-rear direction are extended on both sides in the vehicle width direction of the front compartment 8, and in the front-rear direction on both sides in the vehicle width direction above the front side member 11. A generally extending hood ridge member 12 is extended. Further, between the left and right front side members 11, cross members 13 </ b> F and 13 </ b> R substantially extending in the vehicle width direction are provided with a space in the front and rear direction. Sub members 13a and 13b are attached to these two cross members 13F and 13R, and various components such as the reinforcement of the cross members 13F and 13R, the inverter 4, the circuit box 5, the PTC heater 25, and the electric compressor 26 are provided. It is used for installation. In the present embodiment, the front side member 11, the hood ridge member 12, the cross members 13F and 13R, the sub members 13a and 13b, and the like correspond to the vehicle body skeleton member (vehicle body 2) at the front portion of the vehicle 1. Note that fasteners such as bolts and nuts, brackets, and the like are appropriately used when attaching the electrical components to the vehicle body 2.
そして、本実施形態では、車両１の前部（本実施形態では前端部）に、外部から電力を供給する給電コード１４のプラグ１４ａ（図５参照）を差し込むコネクタとしての充電ポート１５が設けられている。充電ポート１５の前方は、グリル１０ｂの少なくとも一部に形成された可動蓋（図示せず）で覆われており、充電を行う際には、可動蓋を開いて充電ポート１５を前方に向けて露出できるようになっている。充電ポート１５にはハーネス１６が接続されており、給電コード１４から、プラグ１４ａ、充電ポート１５、ハーネス１６、充電器６等を介して、バッテリアセンブリ７（に収容された複数のバッテリ７ｂ）に電力が供給されるようになっている。 In this embodiment, a charging port 15 as a connector for inserting a plug 14a (see FIG. 5) of a power supply cord 14 for supplying electric power from the outside is provided at the front portion (front end portion in this embodiment) of the vehicle 1. ing. The front of the charging port 15 is covered with a movable lid (not shown) formed on at least a part of the grill 10b. When charging, the movable lid is opened and the charging port 15 is directed forward. It can be exposed. A harness 16 is connected to the charging port 15, and the battery assembly 7 (a plurality of batteries 7 b accommodated in the battery assembly 7) is connected from the power supply cord 14 through the plug 14 a, the charging port 15, the harness 16, the charger 6, and the like. Electric power is supplied.
また、図５等に示すように、充電ポート１５としては、比較的低電圧（例えば１００Ｖ、２００Ｖ等）で充電する低電圧充電ポート１５Ｌと、高電圧（例えば５００Ｖ等）で充電する高電圧充電ポート１５Ｈと、が設けられており、充電ポート１５のそれぞれにハーネス１６が接続されている。低電圧充電ポート１５Ｌからの低電圧の電力は、低電圧を高電圧に変換するトランス（図示せず）を含む充電器６で高電圧に変換され、回路ボックス５を介してバッテリアセンブリ７内のバッテリ７ｂに供給される。また、高電圧充電ポート１５Ｈからの高電圧の電力は、回路ボックス５を介してバッテリアセンブリ７内のバッテリ７ｂに供給される。このように高電圧充電ポート１５Ｈを設けることで、充電をより急速に完了させることができる。なお、充電器６には、トランスの他、交流を直流に変換する整流回路やフィルタ等も装備される。 Further, as shown in FIG. 5 and the like, the charging port 15 includes a low voltage charging port 15L for charging with a relatively low voltage (for example, 100V, 200V, etc.) and a high voltage charging for charging with a high voltage (for example, 500V, for example). Ports 15H are provided, and the harness 16 is connected to each of the charging ports 15. The low-voltage power from the low-voltage charging port 15L is converted to a high voltage by a charger 6 including a transformer (not shown) that converts the low voltage to a high voltage. It is supplied to the battery 7b. Further, high voltage power from the high voltage charging port 15 </ b> H is supplied to the battery 7 b in the battery assembly 7 through the circuit box 5. By providing the high voltage charging port 15H in this way, charging can be completed more rapidly. In addition to the transformer, the charger 6 is also equipped with a rectifier circuit, a filter, and the like that convert alternating current into direct current.
バッテリアセンブリ７は、図１に示すように、矩形枠状あるいはラダー状に形成されたフレーム７ａに、複数のバッテリ（高電圧バッテリ）７ｂを搭載してカバー７ｃで被覆したものとして構成されている。また、バッテリアセンブリ７内には、図５に示すように、ハーネス１６の他、コンタクタ７ｄや、スイッチボックス７ｅ、バッテリコントローラ７ｆ等も収容されている。そして、バッテリアセンブリ７は、車両１の前後方向中央部のフロアパネル１７の下方で、車体骨格部材（サイドメンバ１８や、サイドシル１９、クロスメンバ（図示せず）等）に、下方から着脱可能に取り付けてある。 As shown in FIG. 1, the battery assembly 7 is configured such that a plurality of batteries (high voltage batteries) 7b are mounted on a frame 7a formed in a rectangular frame shape or a ladder shape and covered with a cover 7c. . Further, as shown in FIG. 5, in addition to the harness 16, a contactor 7d, a switch box 7e, a battery controller 7f, and the like are accommodated in the battery assembly 7. The battery assembly 7 can be detachably attached to a vehicle body skeleton member (a side member 18, a side sill 19, a cross member (not shown), etc.) from below under a floor panel 17 at the center in the front-rear direction of the vehicle 1. It is attached.
また、充電器６は、図１，図２等に示すように、車両１の後部（車室１ａおよびバッテリアセンブリ７より後方）のフロアパネル１７上に配置されている。本実施形態では、リヤサイドメンバ２０間で架設されて車幅方向に略沿って伸びるクロスメンバ２１や、リヤホイールハウス２２間で架設されて車幅方向に略沿って伸びるクロスバー２３等の車体骨格部材（車体２）に、直接あるいはブラケットを介して固定されている。 Moreover, the charger 6 is arrange | positioned on the floor panel 17 of the rear part (back from the vehicle interior 1a and the battery assembly 7) of the vehicle 1, as shown in FIG.1, FIG.2, etc. FIG. In the present embodiment, a vehicle body skeleton such as a cross member 21 installed between the rear side members 20 and extending substantially along the vehicle width direction, or a cross bar 23 installed between the rear wheel houses 22 and extending substantially along the vehicle width direction. It is fixed to the member (vehicle body 2) directly or via a bracket.
図５は、本実施形態にかかる車両１（電気自動車）における回路構成の概略を示している。図中、高電圧が印加される導体部分２４を実線で示し、低電圧が印加される導体部分２４を破線で示している。また、線の太さは導体部分２４の断面積に対応しており、線が太いほど導体部分２４の断面積が大きいことを示している。また、図中、二点鎖線Ａ内は、車両１の走行中に高電圧が印加される領域を示している。 FIG. 5 schematically shows a circuit configuration of the vehicle 1 (electric vehicle) according to the present embodiment. In the drawing, the conductor portion 24 to which a high voltage is applied is indicated by a solid line, and the conductor portion 24 to which a low voltage is applied is indicated by a broken line. The thickness of the line corresponds to the cross-sectional area of the conductor portion 24, and the thicker the line, the larger the cross-sectional area of the conductor portion 24. Further, in the figure, a two-dot chain line A indicates a region where a high voltage is applied while the vehicle 1 is traveling.
図５からもわかるように、本実施形態では、高電圧が印加される強電部品として、電動モータ３Ｍ、インバータ４、回路ボックス５、充電器６、バッテリアセンブリ７、ＰＴＣヒータ２５、電動コンプレッサ２６等が設けられているが、本実施形態では、図１に示すように、これら強電部品のうち、充電器６を車両１の後部（前後方向の車両重心Ｃｇより後方）に配置し、バッテリアセンブリ７を車両１の前後方向中央部に配置し、それら以外の強電部品（すなわち、電動モータ３Ｍ、インバータ４、回路ボックス５、ＰＴＣヒータ２５、および電動コンプレッサ２６）を車両１の前部（車両重心Ｃｇより前方）に配置している。 As can be seen from FIG. 5, in the present embodiment, the high-voltage components to which a high voltage is applied include the electric motor 3M, the inverter 4, the circuit box 5, the charger 6, the battery assembly 7, the PTC heater 25, the electric compressor 26, and the like. However, in this embodiment, as shown in FIG. 1, among these high-power components, the charger 6 is disposed at the rear portion of the vehicle 1 (behind the vehicle center of gravity Cg in the front-rear direction), and the battery assembly 7. Are arranged at the center in the front-rear direction of the vehicle 1, and other high-power components (that is, the electric motor 3M, the inverter 4, the circuit box 5, the PTC heater 25, and the electric compressor 26) are arranged at the front of the vehicle 1 (vehicle center of gravity Cg). It is arranged more forward).
このように、充電器６を車両重心Ｃｇの後方に配置し、かつ、充電器６とは別の強電部品（本実施形態では、電動モータ３Ｍ、インバータ４、回路ボックス５、ＰＴＣヒータ２５、および電動コンプレッサ２６）を車両重心Ｃｇの前方に配置することで、充電器６と当該強電部品とを車両重心Ｃｇに対して前方または後方に集約して配置した場合に比べて、車両１の前後の重量バランスをとりやすくなる。 In this way, the charger 6 is arranged behind the vehicle center of gravity Cg, and the high-power components different from the charger 6 (in this embodiment, the electric motor 3M, the inverter 4, the circuit box 5, the PTC heater 25, and By disposing the electric compressor 26) in front of the vehicle center of gravity Cg, compared to the case where the charger 6 and the high-power components are collectively disposed forward or rearward with respect to the vehicle center of gravity Cg, It becomes easy to balance weight.
また、充電器６と、充電器６とは別の強電部品（本実施形態では、電動モータ３Ｍ、インバータ４、回路ボックス５、ＰＴＣヒータ２５、および電動コンプレッサ２６）とを、バッテリアセンブリ７を挟んで前後に配置することで、充電器６と当該強電部品とをバッテリアセンブリ７に対して前方または後方に集約して配置した場合に比べて、車両１の前後の重量バランスをとりやすくなる。また、バッテリアセンブリ７は比較的重量が大きいため、かかるレイアウトは、バッテリアセンブリ７が車両１の前後方向中央部に配置されることになる分、バッテリアセンブリ７を車両１の前部または後部に配置された場合に比べて、車両１の前後の重量バランスをとりやすくなると言うことができる。 In addition, the battery assembly 7 is sandwiched between the charger 6 and a high-power component different from the charger 6 (in this embodiment, the electric motor 3M, the inverter 4, the circuit box 5, the PTC heater 25, and the electric compressor 26). As a result, it is easier to balance the weight of the vehicle 1 in the front-rear direction than in the case where the charger 6 and the high-power components are arranged in front or rear with respect to the battery assembly 7. Further, since the battery assembly 7 is relatively heavy, the layout is such that the battery assembly 7 is disposed at the front or rear portion of the vehicle 1 because the battery assembly 7 is disposed at the center in the front-rear direction of the vehicle 1. It can be said that it becomes easier to balance the weight of the vehicle 1 before and after the case.
また、低電圧の給電コード１４ならびに低電圧充電ポート１５Ｌを介して充電を行う際、充電器６ならびに充電器６に繋がるハーネス１６ａ，１６ｂには、比較的電流値の低い電流が流れる。このため、充電器６に繋がるハーネス１６ａ，１６ｂの導体部分２４の断面積は、高電圧充電ポート１５Ｈに繋がるハーネス１６ｃの導体部分２４の断面積に比べて小さくしてある。すなわち、ハーネス１６ａ，１６ｂは、ハーネス１６ｃに比べて細くすることができる。 Further, when charging is performed via the low-voltage power supply cord 14 and the low-voltage charging port 15L, a current having a relatively low current value flows through the charger 6 and the harnesses 16a and 16b connected to the charger 6. For this reason, the cross-sectional area of the conductor part 24 of the harnesses 16a and 16b connected to the charger 6 is made smaller than the cross-sectional area of the conductor part 24 of the harness 16c connected to the high voltage charging port 15H. That is, the harnesses 16a and 16b can be made thinner than the harness 16c.
そして、本実施形態では、図１，図２等からわかるように、低電圧充電ポート１５Ｌを車両１の前部に配置する一方、充電器６を車両１の後部に配置しているため、これらの間を接続するハーネス１６ｂは比較的長くなる。さらに、本実施形態では、ハーネス１６ａの一端をフロントコンパートメント８内にある回路ボックス５の中に導き、充電器６で生じた高電圧電力を、ハーネス１６ａ（すなわち第二のハーネス）、回路ボックス５、ならびに回路ボックス５とバッテリアセンブリ７との間のハーネス１６ｄ（すなわち第一のハーネス）を介してバッテリアセンブリ７に供給する構成となっている。このため、ハーネス１６ａも車両１の前部と後部との間で配索されて比較的長くなる。 And in this embodiment, since the low voltage charging port 15L is arrange | positioned in the front part of the vehicle 1 while the charger 6 is arrange | positioned in the rear part of the vehicle 1 so that FIG. The harness 16b that connects the two becomes relatively long. Furthermore, in the present embodiment, one end of the harness 16a is guided into the circuit box 5 in the front compartment 8, and the high voltage power generated in the charger 6 is converted into the harness 16a (that is, the second harness) and the circuit box 5 In addition, the battery assembly 7 is supplied via a harness 16d (that is, a first harness) between the circuit box 5 and the battery assembly 7. For this reason, the harness 16a is also routed between the front portion and the rear portion of the vehicle 1 and becomes relatively long.
しかし、ハーネス１６ａ，１６ｂは、上述したように、他のハーネス１６（ハーネス１６ｃ，１６ｄ等）に比べて細くすることができるため、太いハーネスを配索する場合に比べると、充電器６と充電ポート１５とを車両１の前後に離間して配置しても、ハーネス１６ｂの重量増を抑制することができるし、充電器６と回路ボックス５とを車両１の前後に離間して配置しても、ハーネス１６ａの重量増を抑制することができる。また、ハーネス１６ａ，１６ｂの設置作業も比較的容易に行うことができる。 However, since the harnesses 16a and 16b can be made thinner than the other harnesses 16 (harnesses 16c and 16d, etc.) as described above, the chargers 6 and 16 are charged as compared with the case where a thick harness is routed. Even if the port 15 is spaced apart from the front and rear of the vehicle 1, the weight increase of the harness 16 b can be suppressed, and the charger 6 and the circuit box 5 can be spaced apart from the front and rear of the vehicle 1. Moreover, the weight increase of the harness 16a can be suppressed. Also, the installation work of the harnesses 16a and 16b can be performed relatively easily.
また、仮に、充電器６に接続される高電圧のハーネス１６ａを、回路ボックス５を経由せずにバッテリアセンブリ７に直接接続する構成にすると、ハーネス１６ａの長さをより短くすることはできるが、かかる構成では、車体２に固定される強電部品と当該車体２に着脱されるバッテリアセンブリ７との間の導電経路が２系統となるため、１系統である場合に比べて、接触部分の位置合わせが難しくなる。この点、本実施形態では、充電器６からの電力を、ハーネス１６ａ（第二のハーネス）、回路ボックス５、ならびにハーネス１６ｄ（第一のハーネス）を介してバッテリアセンブリ７に供給する構成としたため、車体２に固定される強電部品（本実施形態では回路ボックス５）と車体２に対して着脱されるバッテリアセンブリ７との間の導電経路を１系統のみとすることができて、当該導電経路の接触部分の構成をより簡素化できるとともに接触部分の位置合わせがより容易になる。 If the high voltage harness 16a connected to the charger 6 is directly connected to the battery assembly 7 without going through the circuit box 5, the length of the harness 16a can be further shortened. In this configuration, since there are two conductive paths between the high voltage component fixed to the vehicle body 2 and the battery assembly 7 attached to and detached from the vehicle body 2, the position of the contact portion is larger than that in the case of one system. Matching becomes difficult. In this regard, in the present embodiment, the power from the charger 6 is supplied to the battery assembly 7 via the harness 16a (second harness), the circuit box 5, and the harness 16d (first harness). The conductive path between the high-power component fixed to the vehicle body 2 (the circuit box 5 in this embodiment) and the battery assembly 7 attached to and detached from the vehicle body 2 can be only one system. The configuration of the contact portion can be simplified, and the alignment of the contact portion becomes easier.
また、図５を参照すれば明らかとなるように、ハーネス１６ａの回路ボックス５側（本実施形態では回路ボックス５の筐体５ｅ（図３，図５参照）内であり、かつフロントコンパートメント８内）に、充電時には接点同士が接続して非充電時には接点同士が離間するリレー５ｄａを設け、充電中にはハーネス１６ａに高電圧が印加されるが、走行中などの非充電中にはハーネス１６ａに高電圧が印加されないようにしてある。よって、比較的前後に長くなるハーネス１６ａが走行時の車両１の衝突等によって損傷を受けたとしても、このハーネス１６ａはリレー１５ｄａによって電流が流れている部分から遮断されているため、ハーネス１６ａで短絡が生じたり、ハーネス１６ａの損傷部分から車体２に漏電が生じたりすることを抑制し、安全性を向上することができる。 Further, as will be apparent with reference to FIG. 5, the harness 16 a is in the circuit box 5 side (in the present embodiment, in the housing 5 e of the circuit box 5 (see FIGS. 3 and 5)) and in the front compartment 8. ) Is provided with a relay 5da that connects the contacts at the time of charging and separates the contacts at the time of non-charging, and a high voltage is applied to the harness 16a during charging. A high voltage is not applied to the circuit. Therefore, even if the harness 16a that is relatively long in the front and rear direction is damaged by the collision of the vehicle 1 during traveling, the harness 16a is cut off from the portion where the current flows by the relay 15da. It is possible to suppress the occurrence of a short circuit or the occurrence of electric leakage from the damaged portion of the harness 16a to the vehicle body 2, thereby improving safety.
このように、充電器６と充電器６以外の強電部品とを車両１の前後に分けて配置するレイアウトは、車両１の前後の重量バランスと、走行時における安全性のさらなる向上とを両立することが可能な好適なものであると言える。なお、リレー５ｄの動作は図示しない制御ユニットによって電気的に制御するのが好適である。この場合、センサ等を設けて低電圧充電ポート１５Ｌへの給電コード１４の接続を検知してリレー５ｄを動作させるようにしてもよい。 As described above, the layout in which the charger 6 and the high-power components other than the charger 6 are separately arranged at the front and rear of the vehicle 1 achieves both a weight balance before and after the vehicle 1 and a further improvement in safety during traveling. It can be said that this is a suitable one. The operation of the relay 5d is preferably electrically controlled by a control unit (not shown). In this case, a sensor or the like may be provided to detect the connection of the power feeding cord 14 to the low voltage charging port 15L and operate the relay 5d.
そして、本実施形態では、充電器６とバッテリアセンブリ７とを除く強電部品をフロントコンパートメント８内に配置するとともに、充電ポート１５を車両１の前部に配置したため、高電圧充電ポート１５Ｈと強電部品とを接続するハーネス１６ｃの長さをより短くすることができ、比較的太いハーネス１６ｃによる重量増を抑制できるとともに、ハーネス１６ｃの配索の手間を減らすことができる。 In the present embodiment, the high-power components excluding the charger 6 and the battery assembly 7 are disposed in the front compartment 8 and the charging port 15 is disposed in the front portion of the vehicle 1. The length of the harness 16c that connects the two can be shortened, the increase in weight due to the relatively thick harness 16c can be suppressed, and the labor of routing the harness 16c can be reduced.
以上、説明したように、本実施形態では、低電圧電力を高電圧に変換するトランスを含む充電器６と、充電器６とは別の強電部品（本実施形態では、電動モータ３Ｍ、インバータ４、回路ボックス５、ＰＴＣヒータ２５、および電動コンプレッサ２６）とを、車両重心Ｃｇを挟んで前後に配置した。このため、充電器６と強電部品とが車両１の前後に分散して配置される分、車両１の重量バランスをとりやすくなる。 As described above, in the present embodiment, the charger 6 including the transformer that converts the low voltage power into the high voltage, and the high-power components different from the charger 6 (in the present embodiment, the electric motor 3M and the inverter 4). The circuit box 5, the PTC heater 25, and the electric compressor 26) are arranged on the front and rear sides of the vehicle center of gravity Cg. For this reason, it becomes easy to balance the weight of the vehicle 1 by the amount that the charger 6 and the high-power components are distributed in the front and rear of the vehicle 1.
また、本実施形態では、充電器６と当該充電器６とは別の強電部品とを、バッテリアセンブリ７を挟んで前後に配置した。かかる構成によれば、比較的重量の嵩むバッテリアセンブリ７を車両前後方向の中央部に配置するとともに、充電器６と当該強電部品とを前後に分けて配置することができるため、車両１の重量バランスをとりやすくなる。 Further, in the present embodiment, the charger 6 and a high-power component different from the charger 6 are arranged on the front and rear sides of the battery assembly 7. According to such a configuration, the battery assembly 7 that is relatively heavy can be disposed in the center portion in the vehicle front-rear direction, and the charger 6 and the high-voltage component can be separately disposed in the front-rear direction. It becomes easier to balance.
また、本実施形態では、充電ポート１５を、充電器６よりも、当該充電器６とは別の強電部品に近い位置に、配置した。このため、充電ポート１５から充電器６を介さずにバッテリアセンブリ７を充電する導電経路を、当該強電部品（本実施形態では回路ボックス５）とバッテリアセンブリ７との間のハーネス１６ｄを利用して構成することができる分、充電ポート１５と当該強電部品（すなわち回路ボックス５）との間のハーネス１６ｃを短くし、当該ハーネス１６ｃによる重量増を抑制し、かつ配索の手間を減らすことができる。そして、ハーネス１６ｃが短くなる分、当該ハーネス１６ｃを太くしやすくなり、その分、電気抵抗を減らしてエネルギロスを減らすことができる上、電流値を上げて充電完了までの時間を短縮しやすくなるという効果もある。 Further, in the present embodiment, the charging port 15 is disposed at a position closer to a high-power component different from the charger 6 than to the charger 6. For this reason, a conductive path for charging the battery assembly 7 from the charging port 15 without using the charger 6 is utilized by using the harness 16d between the high-power component (the circuit box 5 in this embodiment) and the battery assembly 7. The harness 16c between the charging port 15 and the high-power component (that is, the circuit box 5) can be shortened, the weight increase due to the harness 16c can be suppressed, and the labor of wiring can be reduced by the amount that can be configured. . And since the harness 16c is shortened, the harness 16c is easily thickened, and accordingly, the electrical resistance can be reduced to reduce the energy loss, and the current value can be increased to easily shorten the time until the charging is completed. There is also an effect.
また、本実施形態では、充電器６とは別の強電部品を前方に、かつ充電器６を後方に配置し、充電ポート１５を車両前部に配置した。すなわち、充電器６とは別の強電部品が車両前部のフロントコンパートメント８内に配置され、充電器６が車両後部に配置されるレイアウトにおいて、充電ポート１５からバッテリアセンブリ７に充電器６を介さずに充電する導電経路をなすハーネス１６ｃをより短くし、当該ハーネス１６ｃによる重量増を抑制し、かつその配索の手間を減らすことができる。 Moreover, in this embodiment, the high-power components different from the charger 6 are arranged in the front, the charger 6 is arranged in the rear, and the charging port 15 is arranged in the front part of the vehicle. That is, in a layout in which a high-power component different from the charger 6 is arranged in the front compartment 8 at the front of the vehicle and the charger 6 is arranged at the rear of the vehicle, the charger 6 is connected to the battery assembly 7 from the charging port 15. Without shortening the harness 16c that forms the conductive path for charging, it is possible to suppress an increase in weight due to the harness 16c, and to reduce the labor of the wiring.
また、本実施形態では、充電器６とは別の強電部品（本実施形態では回路ボックス５）とバッテリアセンブリ７のバッテリ７ｂとを電気的に接続する第一のハーネスとしてのハーネス１６ｄと、充電器６とハーネス１６ｄとを電気的に接続する第二のハーネスとしてのハーネス１６ａと、ハーネス１６ａがハーネス１６ｄに対して接続された状態と遮断された状態とを切り替えるリレー５ｄａと、を設けた。よって、リレー５ｄａを制御することで、車両走行時等の非充電中には、比較的前後に長く配置されることになるハーネス１６ａに対して、高電圧が印加されないようにすることができ、車両衝突等でハーネス１６ａが損傷した場合にあっても、短絡したり漏電したりするのを抑制することができる。 In the present embodiment, a harness 16d as a first harness that electrically connects a high-power component (circuit box 5 in the present embodiment) different from the charger 6 and the battery 7b of the battery assembly 7, and charging A harness 16a as a second harness that electrically connects the device 6 and the harness 16d, and a relay 5da that switches between a state in which the harness 16a is connected to the harness 16d and a state in which the harness 16a is cut off are provided. Therefore, by controlling the relay 5da, it is possible to prevent a high voltage from being applied to the harness 16a that is relatively long in front and back during non-charging such as when the vehicle is running, Even when the harness 16a is damaged due to a vehicle collision or the like, it is possible to suppress short-circuiting or electric leakage.
また、リレー５ｄａは、強電部品（本実施形態では回路ボックス５）内に収容するのが好適である。これにより、リレー５ｄａを当該強電部品の筐体５ｅによって保護することができるとともに、ハーネス１６ａのうち筐体５ｅから露出する部分について、非充電時におけるリレー５ｄａによる遮断効果をより確実に得ることができる。 The relay 5da is preferably housed in a high-power component (in this embodiment, the circuit box 5). Accordingly, the relay 5da can be protected by the casing 5e of the high-power component, and a portion of the harness 16a exposed from the casing 5e can be more reliably obtained from the blocking effect by the relay 5da during non-charging. it can.
なお、本発明は上記実施形態には限定されず、種々の変形が可能である。例えば、本発明は、後輪駆動車にも適用することができる。また、充電器を車両前部に配置し、充電器とは別の強電部品を車両後部に配置してもよいし、充電ポートを車両後部に配置してもよい。また、充電ポートは車両前端または後端に設けることは必須ではなく、車両前部の側面や、車両後部の側面に露出するように設けてもよい。また、充電器や、バッテリアセンブリ、充電器とは別の強電部品を車体に取り付ける位置や構成についても、上記実施形態には限定されない。 In addition, this invention is not limited to the said embodiment, A various deformation | transformation is possible. For example, the present invention can be applied to a rear wheel drive vehicle. Moreover, a charger may be arrange | positioned in the vehicle front part, a high-power component different from a charger may be arrange | positioned in a vehicle rear part, and a charge port may be arrange | positioned in a vehicle rear part. Further, it is not essential to provide the charging port at the front end or the rear end of the vehicle, and the charging port may be provided so as to be exposed on the side surface of the vehicle front portion or the side surface of the vehicle rear portion. Further, the position and configuration for attaching a high-voltage component other than the charger, the battery assembly, and the charger to the vehicle body are not limited to the above embodiment.
Ｃｇ 重心
１ 車両
２ 車体
３Ｍ 電動モータ（強電部品）
４ インバータ（強電部品）
５ 回路ボックス（強電部品）
５ｄａ リレー
５ｅ 筐体
６ 充電器
７ バッテリアセンブリ
７ｂ バッテリ
１４ 給電コード
１４ａ プラグ
１５ 充電ポート
１５Ｈ 高電圧充電ポート
１５Ｌ 低電圧充電ポート
１６，１６ａ〜１６ｄ ハーネス
１６ａ ハーネス（第二のハーネス）
１６ｄ ハーネス（第一のハーネス）
２５ ＰＴＣヒータ（強電部品）
２６ 電動コンプレッサ（強電部品）
Cg Center of gravity 1 Vehicle 2 Car body 3M Electric motor (High power parts)
4 Inverter (strong electric parts)
5 Circuit box (strong electric parts)
5da relay 5e housing 6 charger 7 battery assembly 7b battery 14 power supply cord 14a plug 15 charging port 15H high voltage charging port 15L low voltage charging port 16, 16a to 16d harness 16a harness (second harness)
16d harness (first harness)
25 PTC heaters (high power components)
26 Electric compressor (strong electric parts)
Claims (4)
前記充電器とは別の前記強電部品と前記充電器とを、前記バッテリアセンブリを挟んで前後に配置したことを特徴とする電気自動車の電気部品搭載構造。 An electric vehicle including a charger including a transformer that converts low-voltage power supplied from outside into a high voltage, a high-power component to which a high voltage is applied, and a battery assembly that integrally includes a plurality of batteries are mounted on a vehicle body. In the electrical component mounting structure,
An electric component mounting structure for an electric vehicle, wherein the high-power component different from the charger and the charger are arranged on the front and rear sides of the battery assembly.
前記充電器と前記第一のハーネスとを電気的に接続する第二のハーネスと、
前記第二のハーネスが第一のハーネスに対して接続された状態と遮断された状態とを切り替えるリレーと、
を備えることを特徴とする請求項２または３に記載の電気自動車の電気部品搭載構造。 A first harness for electrically connecting a high-power component different from the charger and the battery;
A second harness for electrically connecting the charger and the first harness;
A relay that switches between a state in which the second harness is connected to the first harness and a state in which the second harness is blocked;
The electric component mounting structure for an electric vehicle according to claim 2, comprising:
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010005092A JP5211081B2 (en) | 2009-05-22 | 2010-01-13 | Electric parts mounting structure for electric vehicles |
| CN201080022185.6A CN102438863B (en) | 2009-05-22 | 2010-05-12 | Vehicle component mounting arrangement |
| KR1020117027685A KR20120018336A (en) | 2009-05-22 | 2010-05-12 | Vehicle component mounting arrangement |
| RU2011152354/11A RU2482985C1 (en) | 2009-05-22 | 2010-05-12 | Vehicle configuration |
| KR1020137031187A KR101490648B1 (en) | 2009-05-22 | 2010-05-12 | Vehicle component mounting arrangement |
| US13/319,873 US8820452B2 (en) | 2009-05-22 | 2010-05-12 | Vehicle component mounting arrangement |
| PCT/IB2010/001098 WO2010133934A1 (en) | 2009-05-22 | 2010-05-12 | Vehicle component mounting arrangement |
| BRPI1010603A BRPI1010603A2 (en) | 2009-05-22 | 2010-05-12 | vehicle component mounting arrangement |
| EP10777435A EP2432662A1 (en) | 2009-05-22 | 2010-05-12 | Vehicle component mounting arrangement |
| MX2011012422A MX2011012422A (en) | 2009-05-22 | 2010-05-12 | Vehicle component mounting arrangement. |
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| JP2009124249 | 2009-05-22 | ||
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| JP2010005092A JP5211081B2 (en) | 2009-05-22 | 2010-01-13 | Electric parts mounting structure for electric vehicles |
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| JP2011006050A true JP2011006050A (en) | 2011-01-13 |
| JP2011006050A5 JP2011006050A5 (en) | 2012-02-02 |
| JP5211081B2 JP5211081B2 (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2010005092A Expired - Fee Related JP5211081B2 (en) | 2009-05-22 | 2010-01-13 | Electric parts mounting structure for electric vehicles |
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| JP2013023206A (en) * | 2011-07-21 | 2013-02-04 | Hyundai Motor Co Ltd | Battery mounting structure of electric vehicle |
| KR101275186B1 (en) * | 2011-03-30 | 2013-06-14 | 엘지전자 주식회사 | Inverter apparatus and electric vehicle having the same |
| WO2013183500A1 (en) * | 2012-06-05 | 2013-12-12 | 日産自動車株式会社 | High-voltage-harness connection structure for electric vehicle |
| WO2015049924A1 (en) * | 2013-10-04 | 2015-04-09 | トヨタ自動車株式会社 | Fuel cell vehicle inverter disposition structure |
| US10483510B2 (en) | 2017-05-16 | 2019-11-19 | Shape Corp. | Polarized battery tray for a vehicle |
| JP2019205490A (en) * | 2018-05-28 | 2019-12-05 | 株式会社モリタホールディングス | Fire fighting vehicle |
| JP2020032813A (en) * | 2018-08-28 | 2020-03-05 | トヨタ自動車株式会社 | Vehicular power unit structure |
| US10632857B2 (en) | 2016-08-17 | 2020-04-28 | Shape Corp. | Battery support and protection structure for a vehicle |
| US10661646B2 (en) | 2017-10-04 | 2020-05-26 | Shape Corp. | Battery tray floor assembly for electric vehicles |
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| JP2021109593A (en) * | 2020-01-14 | 2021-08-02 | トヨタ自動車株式会社 | Vehicle rear structure of electric vehicle |
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| JP2021142831A (en) * | 2020-03-11 | 2021-09-24 | スズキ株式会社 | Battery loading structure of vehicle |
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