JP6024704B2 - 電池パック - Google Patents
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- JP6024704B2 JP6024704B2 JP2014097929A JP2014097929A JP6024704B2 JP 6024704 B2 JP6024704 B2 JP 6024704B2 JP 2014097929 A JP2014097929 A JP 2014097929A JP 2014097929 A JP2014097929 A JP 2014097929A JP 6024704 B2 JP6024704 B2 JP 6024704B2
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- 230000004087 circulation Effects 0.000 claims description 48
- 238000007664 blowing Methods 0.000 claims description 36
- 238000001816 cooling Methods 0.000 claims description 22
- 239000006185 dispersion Substances 0.000 claims description 17
- 238000009826 distribution Methods 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 22
- 239000012530 fluid Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000017525 heat dissipation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005855 radiation Effects 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- -1 nickel metal hydride Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
- H01M10/6557—Solid parts with flow channel passages or pipes for heat exchange arranged between the cells
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- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/507—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising an arrangement of two or more busbars within a container structure, e.g. busbar modules
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- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
- B60K2001/005—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units the electric storage means
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- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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- H01M10/65—Means for temperature control structurally associated with the cells
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- H01M10/6561—Gases
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- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Description
循環通路は、送風手段における空気の吹出し部(50)と循環空気が複数の電池と熱交換するときに流通する電池通路(52)とを連絡する吹出し側通路(51;151;251)と、電池通路と送風手段の吸込み部とを連絡する吸込み側通路(53;153;253)と、を含み、
吹出し側通路(51)及び吸込み側通路(153)の少なくともひとつは、筐体の内部に設置されるダクト(61;162;262)の内部に形成されたダクト内通路であり、
空気導入通路を通じて筐体の外部から取り込まれる空気量は、吸込み側通路を通じて送風手段における吸込み部に取り込まれる空気量よりも小さいことを特徴とする。
本発明の一例である第1実施形態の電池パック1について図1を参照しながら説明する。電池パック1は、例えば、内燃機関と電池に充電された電力によって駆動されるモータとを組み合わせて走行駆動源とするハイブリッド自動車、モータを走行駆動源とする電気自動車等に用いられる。電池パック1に含まれる複数の電池セル2は、例えば、ニッケル水素二次電池、リチウムイオン二次電池、有機ラジカル電池である。
第2実施形態では、空気導入通路に係る他の形態について図2を参照して説明する。図2において、第1実施形態と同様の構成であるものは同一の符号を付し、同様の作用、効果を奏するものである。第2実施形態で特に説明しない構成、作用、効果については、第1実施形態と同様である。以下、第1実施形態と異なる点についてのみ説明する。また、第2実施形態において第1実施形態と同様の構成を有するものは、第1実施形態で説明した同様の作用、効果を奏するものとする。
第3実施形態では、空気導入通路に係る他の形態について図3を参照して説明する。図3において、第1実施形態と同様の構成であるものは同一の符号を付し、同様の作用、効果を奏するものである。第3実施形態で特に説明しない構成、作用、効果については、第1実施形態と同様である。以下、第1実施形態と異なる点についてのみ説明する。また、第3実施形態において第1実施形態と同様の構成を有するものは、第1実施形態で説明した同様の作用、効果を奏するものとする。
第4実施形態では、空気導入通路の設置場所に係る他の形態について図4を参照して説明する。図4において、第1実施形態と同様の構成であるものは同一の符号を付し、同様の作用、効果を奏するものである。第4実施形態で特に説明しない構成、作用、効果については、第1実施形態と同様である。以下、第1実施形態と異なる点についてのみ説明する。また、第4実施形態において第1実施形態と同様の構成を有するものは、第1実施形態で説明した同様の作用、効果を奏するものとする。
第5実施形態では、パックケース303内の空気流れを分散させる効果を奏する分散部材を備えた電池パック401について、図5〜図7を参照して説明する。図6、図7において、第1実施形態、第4実施形態と同様の構成であるものは同一の符号を付し、同様の作用、効果を奏するものである。第5実施形態で特に説明しない構成、作用、効果については、第1実施形態や第4実施形態と同様である。以下、第1実施形態、第4実施形態と異なる点についてのみ説明する。また、第5実施形態において第1実施形態、第4実施形態と同様の構成を有するものは、先出の実施形態で説明した同様の作用、効果を奏するものとする。
前述の実施形態では、本発明の好ましい実施形態について説明したが、本発明は前述した実施形態に何ら制限されることなく、本発明の主旨を逸脱しない範囲において種々変形して実施することが可能である。前述の実施形態の構造は、あくまで例示であって、本発明の範囲はこれらの記載の範囲に限定されるものではない。本発明の範囲は、特許請求の範囲の記載によって示され、さらに特許請求の範囲の記載と均等の意味及び範囲内での全ての変更を含むものである。
3、103、203、303…パックケース(筐体)
4…送風機(送風手段)、 5…循環通路、 50…吹出し通路(吹出し部)
51、151、251…吹出し側通路、 52…電池通路
53、153、253…吸込み側通路、 54…吸込み部
55、155、255、355…空気導入通路、 56…空気排出通路
61、162、262…ダクト
Claims (7)
- 複数の電池(2)と、
前記複数の電池を冷却する空気を送風する送風手段(4)と、
前記複数の電池及び前記送風手段を収容する筐体(3;103;203;303)と、
前記筐体の内部に形成される空気の循環通路であって、前記送風手段が吹き出した空気が前記複数の電池と熱交換した後、前記送風手段に吸い込まれる一連の循環空気の流通経路をなす循環通路(5)と、
前記筐体の外部と前記送風手段における空気の吸込み部(54)とを連通させる通路であって、前記循環通路に前記循環空気が形成されている場合に常に開放されて、前記筐体の外部の空気が取り込まれる空気導入通路(55;155;255;355)と、
前記筐体の外部と内部とを連通させる通路であって、前記循環通路に前記循環空気が形成されている場合に常に開放されて、前記筐体の外部の空気が前記空気導入通路を通して前記筐体の内部に導入されることに伴い、前記循環通路を循環する循環空気の一部が前記筐体の外部へ排出される空気排出通路(56)と、
を備え、
前記循環通路は、前記送風手段における空気の吹出し部(50)と前記循環空気が前記複数の電池と熱交換するときに流通する電池通路(52)とを連絡する吹出し側通路(51;151;251)と、前記電池通路と前記送風手段の前記吸込み部とを連絡する吸込み側通路(53;153;253)と、を含み、
前記吹出し側通路(51)及び前記吸込み側通路(153)の少なくともひとつは、前記筐体の内部に設置されるダクト(61;162;262)の内部に形成されたダクト内通路であり、
前記空気導入通路を通じて前記筐体の外部から取り込まれる空気量は、前記吸込み側通路を通じて前記送風手段における前記吸込み部に取り込まれる空気量よりも小さいことを特徴とする電池パック。 - 前記吸込み側通路(153;253)は、前記筐体の内部に設置されるダクト(162;262)の内部に形成されたダクト内通路であることを特徴とする請求項1に記載の電池パック。
- 前記空気導入通路(155)は、前記筐体に設けられた空気導入口によって形成される通路であることを特徴とする請求項1または請求項2に記載の電池パック。
- 前記空気導入通路は、前記筐体を貫通するダクト(65)によって形成される通路であることを特徴とする請求項1または請求項2に記載の電池パック。
- 前記吹出し側通路(251)には、前記電池通路に向けて流れる空気が衝突することにより、当該空気の流れを分散させる分散部材(80)が設けられることを特徴とする請求項1から請求項4のいずれか一項に記載の電池パック。
- 前記分散部材は、隣り合う前記電池における電極端子(20)間を電気的に連結するバスバ(81)を支持するバスバモジュール(8)に一体に設けられていることを特徴とする請求項5に記載の電池パック。
- 前記筐体(303)は、車両に搭載されており、
前記空気導入通路を形成する前記ダクトは、前記車両の床(7)よりも下方である前記車両の外部まで延びていることを特徴とする請求項4に記載の電池パック。
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