WO2013061625A1 - 車両用の電池モジュール - Google Patents
車両用の電池モジュール Download PDFInfo
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- WO2013061625A1 WO2013061625A1 PCT/JP2012/053674 JP2012053674W WO2013061625A1 WO 2013061625 A1 WO2013061625 A1 WO 2013061625A1 JP 2012053674 W JP2012053674 W JP 2012053674W WO 2013061625 A1 WO2013061625 A1 WO 2013061625A1
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- relay
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- case cover
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- voltage wire
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Classifications
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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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
- H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
- H01M50/222—Inorganic material
- H01M50/224—Metals
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using 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
Definitions
- the present invention relates to a battery module for a vehicle, and more particularly, in a metal shield case for accommodating a battery pack mounted on an electric car or a hybrid car, a junction box incorporating a relay or the like connected to the battery pack side power supply. In the battery module housed and disposed, the height of the junction box is reduced.
- a high voltage battery pack 100 is disposed on the rear side or the like in the vehicle interior. It is connected to the device 103 mounted in the engine room via the high voltage power cable 101. In the device 103, a fuse 104 is connected to a DC-DC module 105 integrally or closely disposed with a high voltage / low voltage junction box.
- the relay 201 serving as a heating element is mounted on the upper surface of the upper case 202 of the junction box 200 to suppress overheating inside the junction box 200.
- the relay 201 having a large height is mounted on the upper surface of the junction box 200, the height H2 of the relay 201 is added to the height H1 of the junction box 200, and the overall height becomes large.
- the battery pack is disposed on the compartment side, and the junction box including the fuse and the like connected to the battery pack is disposed at a different position from the engine compartment side.
- the junction box including the fuse and the like connected to the battery pack is disposed at a different position from the engine compartment side.
- a junction box is also housed in a metal case (shield case) for housing a battery pack, and a shield wire is connected to the load side of a branch connection circuit including relays and fuses housed in the junction box, A battery module has been developed for drawing the shield wire outward from the shield case.
- the shield case accommodating the battery pack
- the shield case also needs to be raised. Therefore, the space for installing the battery module may be restricted, and the battery module may not be disposed at a desired position.
- the low-voltage wires receive noise generated from the high-voltage wires, and noise is easily generated in the low-voltage wires connected to the load side is there.
- the present invention has been made in view of the above problems, and in the case of housing a junction box in a shield case for housing a battery pack, the height of the junction box is suppressed and the low voltage wire connected to the junction box is a high voltage The issue is to make sure that the wires are not affected by noise.
- the present invention accommodates a junction box inside a metal shield case that accommodates a battery pack
- the junction box fixes the resin case of the relay and the electric component having a large height to the bottom wall of the shield case or the surface of the metal plate fixed to the bottom wall, and either the low voltage wire or the high voltage wire Wire one end on a metal plate and connect it to the required terminals of the relay and electrical components
- the relay made by fixing the resin case cover of the junction box on the bottom wall or the metal plate is covered in a state covering any one of the electric component and the low voltage wire and the high voltage wire, and the relay is provided from the opening provided in the case cover And expose the required contact portion of the electric component, and wire either the low voltage wire or the high voltage wire and place the bus bar on the case cover, and place the bus bar and / or the low voltage wire and the high voltage wire
- a battery module for a vehicle characterized in that any one of the other is connected to the exposed contact portion.
- the relay having a large height is directly fixed to the upper surface of the bottom wall of the shield case on which the junction box is installed or the upper surface of the metal plate fixed to the bottom wall.
- the resin case cover of the junction box so as to cover the above, it is possible to suppress that the overall height of the junction box is increased by the relay.
- the low-voltage wire or high-voltage wire below the case cover, or the other one above, and blocking the low-voltage wire from the high-voltage wire with the case cover noise received by the low-voltage wire from the high-voltage wire It can be reduced.
- a low voltage wire is wired below the case cover, a high voltage wire is wired above, and contact points with the low voltage wires of the relay and the electric component disposed below are provided on the side surfaces of the relay and the electric component, the case While connected to low voltage wires wired through insertion holes provided on the side wall of the cover, It is preferable that a contact portion connected to the high voltage electric wire or the bus bar disposed on the case cover is provided on the upper surface of the relay and the electric component and connected to the bus bar and the high voltage electric wire disposed on the case cover.
- the high voltage wire is arranged above the case cover, the power can be distributed by the case cover on the outside of the case, and there is an advantage that noises do not affect the devices inside the case. is there.
- the low voltage wire is disposed below the case cover, even if noise occurs outside the case, a certain distance is secured in the case, and there is an advantage that it is not necessary to take noise measures.
- case cover is fixed on the shield case by fastening a high voltage wire and a bus bar disposed on the case cover and a contact portion of a relay and an electric component fixed below the case cover.
- the relay or the electric component having a large height is fixed on the bottom wall of the shield case or on the metal plate fixed to the bottom wall.
- the case of the junction box which is fixed and holds the bus bar is a case cover which covers the relay and the electric parts. Therefore, the overall height of the junction box does not become the height obtained by adding the height of the relay to the case height of the junction box, and the enlargement of the junction box can be suppressed. Further, since the high voltage wire and the low voltage wire are shielded by the case cover of the junction box, it is possible to suppress the low voltage wire from receiving noise from the high voltage wire.
- FIG. 6 is a perspective view of a junction box equipped with a conventional relay.
- FIG. 1 shows a battery module 1 mounted on an electric vehicle.
- a battery module 1 accommodates a battery pack 3 in a shield case 2 made of metal such as aluminum alloy.
- a storage area X of the junction box is provided in a portion surrounded by the front wall 2 a and the right wall 2 b of the shield case 2, and the junction box 5 is disposed in the storage area X.
- An ECU 4 is mounted on the battery pack 3.
- a rectangular metal plate 6 is laid at the position where the junction box 5 is arranged, and the metal plate 6 is fixed to the bottom wall 2r of the shield case 2 by bolting.
- a plurality of relays 10 (10A, 10B, 10C) having a large height and relays 11 (11A, 11B) for starting electrical parts are disposed on the upper surface of the metal plate 6 with a space between them.
- the resin case of the electric component 11 is bolted to the metal plate 6.
- a relay 10 fixed on the metal plate 6 and a low voltage wire 12 connected to the electric component 11 are wired on the metal plate 6.
- the high voltage wire 30 is a wire connected to the ECU 4 mounted on the battery pack 3.
- a case cover 20 made of resin is placed in a state of covering the plurality of relays 10 fixed on the metal plate 6, the electric component 11, and the low voltage wire 12.
- the case cover 20 is the case body of the junction box 5.
- a side wall 20b protrudes downward from the periphery of the upper wall 20a, and a lower end of the side wall 20b is in contact with a position along the outline of the metal plate 6.
- the opening 20c for low voltage wire insertion is provided in the lower end of the left side wall 20b in the figure.
- the opposite right side wall 20d is located on the inner surface side of the right side wall of the shield case 2, and the high voltage shield wire inserted from the through hole 2e drilled on the right side wall of the shield case 2 is put onto the upper wall 20a of the case cover 20. Wiring is done.
- a bus bar and a guide wall 20g of a high voltage wire are provided on the upper wall 20a of the case cover 20, a bus bar and a guide wall 20g of a high voltage wire are provided.
- the upper wall 20a is provided with an opening 20h at a position corresponding to the relay 10 and the electric component 11, respectively, and the high voltage wires and the connection terminals 10t and 11t of the relay 10 and the electric component 11 project upward through the opening 20h. doing.
- terminal portions 10s and 11s connected to the relay 10 and the low voltage wire of the electric component 11 are protruded on the side surface of the case of the relay 10 and the electric component 11 and positioned below the case cover 20. There is.
- the bus bar 22 is fitted and fixed in the passage divided by the guide wall 20g, and is fixed by a nut through a terminal portion 11t connected to the high voltage electric wire of the electric component 11 in a bolt hole provided in the bus bar 22. Further, the terminal portion 10t of the relay 10 is fitted with a bolted terminal 29 connected to the end of the high voltage wire 30 wired on the upper surface side of the case cover 20 and fixed by a nut.
- the bus bar 22 is disposed, and the lid is not opened above the case cover 20 for wiring the high voltage wire 30, and the lid is closed by a lid 32 which covers the entire shield case 2.
- the heat generated from the relay 10, the electric component 11, the bus bar 22, and the high voltage electric wire 30 is prevented from overheating in the junction box 5.
- the relay 10 and the electrical component 11 are mounted on the metal plate 6 and fixed to the top surface of the bottom wall 2 r of the shield case 2.
- the low voltage wire 12 connected to the ECU 4 on the battery pack 3 is wired on the upper surface of the metal plate 6 and connected to the electric component 11.
- the case cover 20 in which the bus bar 22 is disposed is installed in a state of covering the relay 10 and the electric component 11.
- the opening 20 c provided on the side wall of the case cover 20 is set so that the low voltage wire 12 is inserted.
- the relay 10 and the electric component 11 are positioned at the opening 20 h of the upper wall 20 a of the case cover 20, and the terminal portions 10 t and 11 t are fastened to the bus bar 22 and the terminal portions of the high voltage wire 30.
- the case cover 20 is fixed to the bottom wall 2 r of the shield case 2 via the metal plate 6.
- the lid 32 is put on the shield case 2 to make the state shown in FIG.
- the present invention is not limited to the above embodiment, and a low voltage wire may be wired on the upper surface side of the case cover 20 and a high voltage wire may be wired on the lower side.
- the relay and the electric component are mounted on the metal plate, the relay and the electric component may be directly mounted and fixed on the bottom wall of the shield case without the intervention of the metal plate.
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- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Power Engineering (AREA)
- Sustainable Energy (AREA)
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- Battery Mounting, Suspending (AREA)
- Connection Or Junction Boxes (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
Description
また、ジャンクションボックスに搭載する電気機器に高圧電線と低圧電線とを接続すると、高圧電線から発生するノイズを低圧電線が受けることとなり、負荷側に接続される低圧電線にノイズが発生しやすい問題がある。
前記ジャンクションボックスは、前記シールドケースの底壁または該底壁に固定する金属板の表面に高さが大であるリレーおよび電気部品の樹脂ケースを固定し、かつ、低圧電線と高圧電線のいずれか一方を金属板上に配線して前記リレーおよび電気部品の所要の端子部と接続し、
前記ジャンクションボックスの樹脂製のケースカバーを前記底壁または金属板上に固定したリレー、電気部品および低圧電線と高圧電線のいずれか一方を覆う状態で被せ、該ケースカバーに設けた開口から前記リレーおよび電気部品の所要の接点部を露出させ、該ケースカバー上に低圧電線と高圧電線のいずれか他方を配線すると共にバスバーを配置し、該バスバーまたは/および配線している低圧電線と高圧電線のいずれか他方を前記露出させた接点部と接続していることを特徴とする車両用の電池モジュールを提供している。
前記ケースカバー上に配置する高圧電線またはバスバーと接続する接点部は該リレーおよび電気部品の上面に設け、前記ケースカバー上に配置するバスバーおよび高圧電線と接続していることが好ましい。
このように、高圧電線をケースカバーの上方に配置すると、ケース外側にあるケースカバーにて電源を分配でき、かつ、ケース内部の機器へのノイズの影響を与えないようにすることができる利点がある。また、低圧電線をケースカバーの下方に配置すると、ケース外でノイズが発生しても、ケースで一定距離が確保され、ノイズ対策を実施しなくてよい利点がある。
該構成とすると、ジャンクションボックスのケースカバーをシールドケースに固定する手段を不要とでき、ケースカバーを簡単にできると共にケースカバーをシールドケースに固定する作業が不要になる。
また、ジャンクションボックスのケースカバーで高圧電線と低圧電線を遮蔽しているため、低圧電線が高圧電線からノイズを受けることを抑制できる。
図1乃至図5に本発明の実施形態を示す。
図1に電気自動車に搭載する電池モジュール1を示す。
その後、図2および図5に示すように、バスバー22を配置したケースカバー20をリレー10および電気部品11に被せる状態で設置する。その際、ケースカバー20の側壁に設けた開口20cを前記低圧電線12が挿通するようにセットする。
最後にシールドケース2に蓋32を被せ、図3に示す状態とする。
さらにまた、金属板上にリレーや電気部品を搭載しているが、金属板を介さずにシールドケースの底壁上に前記リレーや電気部品を直接に搭載して固定してもよい。
2 シールドケース
3 電池パック
5 ジャンクションボックス
6 金属板
10 リレー
10t 端子部
11 電気部品
11t 端子部
12 低圧電線
20 ケースカバー
20g ガイド壁
20h 開口
22 バスバー
30 高圧電線
Claims (3)
- 電池パックを収容する金属製のシールドケースの内部にジャンクションボックスを収容しており、
前記ジャンクションボックスは、前記シールドケースの底壁または該底壁に固定する金属板の表面に高さが大であるリレーおよび電気部品の樹脂ケースを固定し、かつ、低圧電線と高圧電線のいずれか一方を金属板上に配線して前記リレーおよび電気部品の所要の端子部と接続し、
前記ジャンクションボックスの樹脂製のケースカバーを前記底壁または金属板上に固定したリレー、電気部品および低圧電線と高圧電線のいずれか一方を覆う状態で被せ、該ケースカバーに設けた開口から前記リレーおよび電気部品の所要の接点部を露出させ、該ケースカバー上に低圧電線と高圧電線のいずれか他方を配線すると共にバスバーを配置し、該バスバーまたは/および配線している低圧電線と高圧電線のいずれか他方を前記露出させた接点部と接続していることを特徴とする車両用の電池モジュール。 - 前記ケースカバーの下方に低圧電線を配線する一方、上方に高圧電線を配線し、
下方に配置する前記リレーおよび電気部品の低圧電線との接点部は該リレーおよび電気部品の側面に設け、前記ケースカバーの側壁に設けた挿通穴を通して配線する低圧電線と接続する一方、
前記ケースカバー上に配置する高圧電線またはバスバーと接続する接点部は該リレーおよび電気部品の上面に設け、前記ケースカバー上に配置するバスバーおよび高圧電線と接続している請求項1に記載の車両用の電池モジュール。 - 前記ケースカバー上に配置する高圧電線およびバスバーと前記ケースカバーの下方に固定するリレーおよび電気部品の接点部とを締結して前記ケースカバーを前記シールドケース上に固定している請求項2に記載の車両用の電池モジュール。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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CN201280051606.7A CN103889787B (zh) | 2011-10-25 | 2012-02-16 | 车辆用的电池模块 |
US14/353,848 US9324983B2 (en) | 2011-10-25 | 2012-02-16 | Battery module for vehicle |
DE112012004453.3T DE112012004453T5 (de) | 2011-10-25 | 2012-02-16 | Akkumulatormodul für Fahrzeug |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2011-233660 | 2011-10-25 | ||
JP2011233660A JP5862200B2 (ja) | 2011-10-25 | 2011-10-25 | 車両用の電池モジュール |
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WO2013061625A1 true WO2013061625A1 (ja) | 2013-05-02 |
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Application Number | Title | Priority Date | Filing Date |
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PCT/JP2012/053674 WO2013061625A1 (ja) | 2011-10-25 | 2012-02-16 | 車両用の電池モジュール |
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Country | Link |
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US (1) | US9324983B2 (ja) |
JP (1) | JP5862200B2 (ja) |
CN (1) | CN103889787B (ja) |
DE (1) | DE112012004453T5 (ja) |
WO (1) | WO2013061625A1 (ja) |
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- 2012-02-16 US US14/353,848 patent/US9324983B2/en not_active Expired - Fee Related
- 2012-02-16 CN CN201280051606.7A patent/CN103889787B/zh not_active Expired - Fee Related
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Cited By (7)
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CN104608709A (zh) * | 2014-09-05 | 2015-05-13 | 惠州市亿能电子有限公司 | 一种高压控制箱线束转接板及高压控制箱 |
CN104608709B (zh) * | 2014-09-05 | 2017-08-25 | 惠州市亿能电子有限公司 | 一种高压控制箱线束转接板及高压控制箱 |
CN105667315A (zh) * | 2016-03-04 | 2016-06-15 | 郑州精益达汽车零部件有限公司 | 一种车载新能源电动车高压盒 |
CN105667315B (zh) * | 2016-03-04 | 2017-10-24 | 郑州精益达汽车零部件有限公司 | 一种车载新能源电动车高压盒 |
CN112635898A (zh) * | 2020-12-23 | 2021-04-09 | 哈尔滨光宇新能源有限公司 | 一种电池模块面板结构 |
CN112635898B (zh) * | 2020-12-23 | 2024-01-09 | 哈尔滨昆宇新能源有限公司 | 一种电池模块面板结构 |
KR102474335B1 (ko) * | 2021-06-09 | 2022-12-06 | 주식회사 경신 | 대전류 단자가 구비된 일체형 프로텍터 |
Also Published As
Publication number | Publication date |
---|---|
DE112012004453T5 (de) | 2014-07-17 |
JP5862200B2 (ja) | 2016-02-16 |
CN103889787B (zh) | 2016-07-27 |
JP2013093945A (ja) | 2013-05-16 |
US20140295216A1 (en) | 2014-10-02 |
US9324983B2 (en) | 2016-04-26 |
CN103889787A (zh) | 2014-06-25 |
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