JP2019086183A - Heat transfer device - Google Patents
Heat transfer device Download PDFInfo
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- JP2019086183A JP2019086183A JP2017213034A JP2017213034A JP2019086183A JP 2019086183 A JP2019086183 A JP 2019086183A JP 2017213034 A JP2017213034 A JP 2017213034A JP 2017213034 A JP2017213034 A JP 2017213034A JP 2019086183 A JP2019086183 A JP 2019086183A
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- heat transfer
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- pipe
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- 238000004891 communication Methods 0.000 claims description 21
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 18
- 229910052782 aluminium Inorganic materials 0.000 claims description 18
- 238000005192 partition Methods 0.000 claims description 15
- 238000005304 joining Methods 0.000 claims description 3
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract description 5
- 239000002826 coolant Substances 0.000 description 15
- 238000010438 heat treatment Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 7
- 238000001816 cooling Methods 0.000 description 5
- 238000009826 distribution Methods 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 239000012809 cooling fluid Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
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- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Secondary Cells (AREA)
- Details Of Heat-Exchange And Heat-Transfer (AREA)
Abstract
Description
この発明は、高温の物体から熱を奪って当該物体を冷却したり、低温の物体に熱を伝えて当該物体を加熱したりする伝熱装置に関する。 The present invention relates to a heat transfer device that removes heat from a high temperature object to cool the object or transfers heat to the low temperature object to heat the object.
この明細書において、「アルミニウム」という用語には、純アルミニウムの他にアルミニウム合金を含むものとする。 In this specification, the term "aluminum" includes aluminum alloys in addition to pure aluminum.
たとえばハイブリッド自動車、電気自動車等の電動機駆動用バッテリー装置として、たとえばリチウムイオン二次電池などの各種の二次電池からなる複数個の小型単電池を直列または並列に接続して組電池の形態としたものが用いられている。特に、電気自動車においては航続距離の延長のニーズから組電池の大容量化が求められるので、複数の組電池が直列または並列に接続されるように組み合わされている。 For example, as a battery device for driving a motor such as a hybrid car or an electric car, a plurality of small single cells composed of various secondary batteries such as lithium ion secondary batteries are connected in series or in parallel to form an assembled battery. The thing is used. In particular, in the case of an electric vehicle, it is required to increase the capacity of a battery pack because of the need for extending the range, so a plurality of battery packs are combined to be connected in series or in parallel.
ところで、二次電池は、使用温度によって性能や寿命が変化するので、長時間にわたって効率良く使用するためには適正な温度で使用する必要がある。しかしながら、上述した組電池においては、各単電池間に比較的大きな温度差が生じ、その結果単電池が劣化して寿命が短くなるという問題がある。 By the way, since the performance and the life of the secondary battery change depending on the operating temperature, it is necessary to use the secondary battery at an appropriate temperature in order to use the battery efficiently for a long time. However, in the above-described assembled battery, there is a problem that a relatively large temperature difference occurs between the unit cells, and as a result, the unit cells deteriorate and the life becomes short.
そこで、組電池における各単電池間に生じる温度差をできるだけ小さくすることを目的として、本出願人は、先に、仕切壁を介して並列状に形成されかつ両端が開口した複数の通路を有する扁平板状のアルミニウム押出形材製冷却液流通体と、冷却液流通体における通路の長手方向の一端に、通路の並び方向に並んで設けられたアルミニウム製入口ヘッダおよび出口ヘッダと、冷却液流通体における通路の長手方向の他端に設けられたアルミニウム製中間ヘッダと、入口ヘッダに冷却液を流入させるアルミニウム製入口部材と、出口ヘッダから冷却液を流出させるアルミニウム製出口部材とを備えており、冷却液流通体の平坦な片面が発熱体取付面となり、全通路のうち冷却液流通体の片側に連続して並んで形成された複数の通路が流入側通路となるとともに、冷却液流通体の他側に連続して並んで形成された複数の残りの通路が流出側通路となり、入口ヘッダが流入側通路に通じるとともに、出口ヘッダが流出側通路に通じ、中間ヘッダが流入側通路および流出側通路に通じて両者を連通させており、入口ヘッダ、出口ヘッダおよび中間ヘッダが冷却液流通体にろう付され、入口部材が入口ヘッダにろう付され、出口部材が出口ヘッダにろう付されている液冷式冷却装置を提案した（特許文献１参照）。
Therefore, for the purpose of minimizing the temperature difference generated between the unit cells in the assembled battery, the applicant first has a plurality of passages formed in parallel through the partition wall and open at both ends. A flat plate-like aluminum extruded material coolant circulation body, an aluminum inlet header and an outlet header provided in line along the passage direction at one end of the passage in the coolant flow body in the longitudinal direction, a coolant circulation An aluminum intermediate header provided at the other longitudinal end of the passage in the body, an aluminum inlet for letting the coolant flow into the inlet header, and an aluminum outlet for letting the coolant flow out from the outlet header The flat one surface of the coolant circulation body is the heating element mounting surface, and a plurality of passages formed continuously in line on one side of the coolant circulation body among all the passages are the inflow side passage. And a plurality of remaining passages formed continuously in line with the other side of the coolant circulation body become outlet side passages, the inlet header leads to the inlet side passage, and the outlet header leads to the outlet side passage, An intermediate header communicates both with the inflow passage and the outflow passage, the inlet header, the outlet header and the intermediate header are brazed to the coolant fluid flow, and the inlet member is brazed to the inlet header, the outlet
特許文献１記載の液冷式冷却装置の場合、冷却液流通体における通路の長手方向の一端に入口ヘッダおよび出口ヘッダが設けられているので、入口部材に冷却液を流入させる流入パイプ、および出口部材から冷却液を流出させる流出パイプを、組電池における単電池の並び方向の中間部に配置する必要がある場合、配管接続が複雑になる。したがって、種々の配管レイアウトに柔軟に対応することができない。
In the case of the liquid cooling type cooling device described in
この発明の目的は、上記実情に鑑み、種々の配管レイアウトに柔軟に対応しうる伝熱装置を提供することにある。 An object of the present invention is to provide a heat transfer device which can flexibly cope with various piping layouts in view of the above-mentioned circumstances.
本発明は、上記目的を達成するために以下の態様からなる。 The present invention comprises the following aspects in order to achieve the above object.
1)一端が流入部となった第１直線部、当該流入部と同一端が流出部となった第２直線部および両直線部の他端どうしを通じさせるターン部を有する略Ｕ字状の第１流路、ならびに一端が流入部となった第１直線部、当該流入部と同一端が流出部となった第２直線部および両直線部の他端どうしを通じさせるターン部を有する略Ｕ字状の第２流路を有する伝熱媒体流通体と、両流路の流入部に通じるように伝熱媒体流通体に設けられた入口部材と、両流路の流出部に通じるように伝熱媒体流通体に設けられた出口部材とを備えており、伝熱媒体流通体が一定の長さを有するとともに、両流路のターン部が伝熱媒体流通体の長手方向の両端部に位置している伝熱装置。 1) A substantially U-shaped first straight portion having an inflow portion at one end, a second straight portion having the outflow end at the same end as the inflow portion, and a turn portion for communicating the other ends of both linear portions A substantially U shape having one flow path, a first straight portion with one end being an inflow portion, a second straight portion with the same end as the outflow portion and a second straight portion with one end being an outflow portion, and a turn portion for communicating the other ends of both straight portions Heat transfer medium circulating body having a second flow passage, an inlet member provided in the heat transfer medium circulating body so as to be in communication with the inflow portions of both flow paths, and heat transfer so as to communicate with the outflow portions of both flow paths And an outlet member provided in the medium circulation body, the heat transfer medium circulation body having a constant length, and the turn portions of both flow paths are positioned at both ends of the heat conduction medium circulation body in the longitudinal direction. Heat transfer device.
2)伝熱媒体流通体が、仕切壁を介して並列状に形成されかつ両端が開口した複数の通路を有するアルミニウム押出形材製扁平管と、扁平管の両端部に設けられかつ全通路を通じさせる連通部とからなり、扁平管の全通路が、連続して並んだ複数の通路からなる２つの通路群に分けられ、扁平管の厚み方向に対向する２つの平坦壁のうちいずれか一方の平坦壁における長手方向の中間部に、一方の通路群の全通路に通じる入り側貫通穴と、他方の通路群の全通路に通じる出側貫通穴とが形成され、入り側貫通穴に通じる一方の通路群により第１流路および第２流路の第１直線部が構成され、出側貫通穴に通じる他方の通路群により第１流路および第２流路の第２直線部が構成され、一方の連通部により第１流路のターン部が構成されるとともに、他方の連通部により第２流路のターン部が構成され、前記一方の平坦壁の外面に前記入口部材が入り側貫通穴に通じるように固定され、前記一方の平坦壁の外面に前記出口部材が出側貫通穴に通じるように固定されている上記1)記載の伝熱装置。 2) A heat transfer medium circulating body is formed in parallel through a partition wall and formed of an aluminum extruded flat tube having a plurality of passages open at both ends, and provided at both ends of the flat tube and through all the passages The flat duct is divided into two passageway groups consisting of a plurality of passageways arranged in series, and any one of two flat walls opposed in the thickness direction of the flat duct In the longitudinal middle portion of the flat wall, an entrance through hole communicating with all the passages of one passage group and an exit through hole communicating with all the passages of the other passage group are formed, one of which communicates with the entrance side through hole The first straight portion of the first flow passage and the second flow passage is constituted by the passage group of the second flow passage, and the second straight portion of the first flow passage and the second flow passage is constituted by the other passage group communicating with the outlet side through hole. And the one communicating portion constitutes the turn portion of the first flow path The other communication portion constitutes a turn portion of the second flow path, the inlet member is fixed to the outer surface of the one flat wall so as to lead to the entry side through hole, and the outlet member is fixed to the outer surface of the one flat wall The heat transfer device according to the above 1), wherein the heat transfer device is fixed so as to lead to the outlet side through hole.
3)前記連通部が、扁平管の端部に内部が連通用空間となった中空状ヘッダ部材を接合することによって形成されている上記2)記載の伝熱装置。 3) The heat transfer device according to 2), wherein the communication portion is formed by joining a hollow header member whose inside is a communication space to an end portion of the flat tube.
4)前記連通部が、扁平管の仕切壁の両端寄りの一定長さ部分を切除するとともに、扁平管の両端開口を閉鎖部材により閉鎖することによって形成されている上記2)記載の伝熱装置。 4) The heat transfer device according to the above 2), wherein the communicating portion is formed by cutting off a constant length portion near the both ends of the partition wall of the flat tube, and closing the open end of the flat tube by a closing member. .
5)伝熱媒体流通体が、真っ直ぐな扁平管状で、かつ管長手方向、管幅方向および管高さ方向をそれぞれ同一方向に向けた状態で管幅方向に間隔をおいて配置された第１および第２流通管部と、両流通管部に一体に設けられ、かつ両流通管部内での伝熱媒体の流れ方向が逆向きとなるように両流通管部の端部どうしを一体に連結するＵターン管部とよりなる２つの略Ｕ形の管状部材からなり、両管状部材の第１および第２流通管部におけるＵターン管部とは反対側の端部どうしが向き合うように配置され、両管状部材の第１流通管部のＵターン管部とは反対側の開口が流入部となるとともに同第２流通管部のＵターン管部とは反対側の開口が流出部となり、両管状部材の第１流通管部により第１流路および第２流路の第１直線部が構成され、両管状部材の第２流通管部により第１流路および第２流路の第２直線部が構成され、両管状部材のＵターン管部により第１流路および第２流路のターン部が構成され、両管状部材の第１流通管部のＵターン管部とは反対側の端部が入口部材に接合され、同第２通管部のＵターン管部とは反対側の端部が出口部材に接合されている上記1)記載の伝熱装置。 5) The first heat transfer medium circulating body is a straight flat tubular member, and the first, the tube longitudinal direction, the tube width direction, and the tube height direction are respectively directed in the same direction and are spaced apart in the tube width direction And the second flow pipe part, integrally provided on both the flow pipe parts, and integrally connecting the ends of the flow pipe parts so that the flow directions of the heat transfer medium in the flow pipe parts are opposite to each other The two U-turn tube sections consist of two substantially U-shaped tubular members, and the first and second flow tube sections of both tubular members are arranged such that the end portions opposite to the U-turn tube sections face each other The opening on the opposite side to the U-turn pipe part of the first flow pipe part of both tubular members becomes the inflow part and the opening on the opposite side to the U-turn pipe part of the second flow pipe part becomes the outflow part The first flow pipe portion of the tubular member constitutes a first straight portion of the first flow path and the second flow path, Of the first flow path and the second flow path are constituted by the second flow pipe portion of the second member, and the turn portions of the first flow path and the second flow path are constituted by the U-turn pipe portions of both tubular members The end of the first flow pipe section of both tubular members opposite to the U-turn pipe section is joined to the inlet member, and the end of the second flow pipe section opposite to the U-turn pipe section is the outlet The heat transfer device according to the above 1), which is joined to the member.
6)複数の伝熱媒体流通体が、管状部材の第１および第２流通管部の幅方向に間隔をおいて配置されており、すべての伝熱媒体流通体の管状部材の第１流通管部のＵターン管部とは反対側の端部が１つの入口部材に接合され、すべての伝熱媒体流通体の管状部材の第２通管部のＵターン管部とは反対側の端部が１つの出口部材に接合されている上記5)記載の伝熱装置。 6) A plurality of heat transfer medium flow bodies are arranged at intervals in the width direction of the first and second flow pipe portions of the tubular member, and the first flow pipes of the tubular members of all the heat transfer medium flow bodies The end opposite to the U-turn tube of the part is joined to one inlet member, and the end opposite to the U-turn tube of the second passage of the tubular member of all heat transfer medium circulating bodies The heat transfer device as described in 5) above, wherein is joined to one outlet member.
上記1)〜6)の伝熱装置によれば、一端が流入部となった第１直線部、当該流入部と同一端が流出部となった第２直線部および両直線部の他端どうしを通じさせるターン部を有する略Ｕ字状の第１流路、ならびに一端が流入部となった第１直線部、当該流入部と同一端が流出部となった第２直線部および両直線部の他端どうしを通じさせるターン部を有する略Ｕ字状の第２流路を有する伝熱媒体流通体と、両流路の流入部に通じるように伝熱媒体流通体に設けられた入口部材と、両流路の流出部に通じるように伝熱媒体流通体に設けられた出口部材とを備えており、伝熱媒体流通体が一定の長さを有するとともに、両流路のターン部が伝熱媒体流通体の長手方向の両端部に位置しているので、入口部材および出口部材を、伝熱媒体流通体の長手方向の両端部間の任意の位置に配置することができる。したがって、入口部材に伝熱媒体を流入させる流入パイプ、および出口部材から伝熱媒体を流出させる流出パイプを、冷熱または温熱を与えるべき物体、たとえば組電池における単電池の並び方向の中間部に配置する必要がある場合であっても配管接続が簡単になり、種々の配管レイアウトに柔軟に対応することが可能になる。 According to the heat transfer device of the above 1) to 6), the first straight portion with one end serving as the inflow portion, the second straight portion with the same end as the outflow portion and the other end with the other end Of a first U-shaped flow path having a turn portion for passing through, a first straight portion where one end is an inflow portion, and a second straight portion and both straight portions where the same end is an outflow portion. A heat transfer medium circulating body having a substantially U-shaped second flow passage having a turn portion for causing the other ends to communicate with each other, and an inlet member provided in the heat transfer medium flowing body so as to communicate with the inflow portion of both flow paths. And an outlet member provided in the heat transfer medium circulating body so as to communicate with the outflow portion of both the flow paths, the heat transfer medium circulating body having a certain length, and the turn portion of both flow paths Since the inlet and outlet members are located at both longitudinal ends of the medium circulating body, the longitudinal direction of the heat transfer medium circulating body It can be placed at any position between the opposite ends of the head. Therefore, an inflow pipe for causing the heat transfer medium to flow into the inlet member and an outflow pipe for causing the heat transfer medium to flow out of the outlet member are disposed at an intermediate portion in the arranging direction of the cells in the assembled battery. Even if it is necessary to simplify the piping connection, it is possible to flexibly cope with various piping layouts.
また、伝熱媒体流通体の高さ方向の少なくとも一側面に物体を熱的に接触させておくと、当該物体と少なくともいずれか一方の流路内を流れる伝熱媒体との間で熱が伝達される。したがって、第１流路および第２流路に低温の伝熱媒体を流すことによって、複数の高温物体から熱を奪って当該物体を同時に冷却することが可能となり、これとは逆に高温の伝熱媒体を流すことによって複数の低温物体に熱を与えて当該物体を同時に加熱することが可能になる。 Further, when an object is brought into thermal contact with at least one side surface in the height direction of the heat transfer medium circulating body, heat is transferred between the object and the heat transfer medium flowing in at least one of the flow paths. Be done. Therefore, by flowing a low temperature heat transfer medium through the first flow path and the second flow path, it is possible to take heat from a plurality of high temperature objects to simultaneously cool the objects, and conversely, the high temperature transmission By flowing a heat transfer medium, it is possible to apply heat to a plurality of low temperature objects to simultaneously heat the objects.
上記2)の伝熱装置によれば、第１直線部、当該流入部と同一端が流出部となった第２直線部および両直線部の他端どうしを通じさせるターン部を有する略Ｕ字状の第１流路、ならびに一端が流入部となった第１直線部、当該流入部と同一端が流出部となった第２直線部および両直線部の他端どうしを通じさせるターン部を有する略Ｕ字状の第２流路を備えた伝熱媒体流通体を比較的簡単につくることができる。 According to the heat transfer device of the above 2), the first linear portion, the inflow portion and the second linear portion in which the same end as the one end becomes the outflow portion, and the substantially U shape having the turn portion for communicating the other ends of both linear portions The first flow path, and the first straight portion having one end at the inflow portion, the second straight portion having the one end at the same end as the inflow portion and the second straight portion having the outflow portion, and the turn portion connecting the other ends of the two straight portions A heat transfer medium circulating body having a U-shaped second flow passage can be relatively easily formed.
上記3)および4)の伝熱装置によれば、上記2)の伝熱媒体流通体の両流路のターン部を比較的簡単に形成することができる。 According to the heat transfer devices of the above 3) and 4), the turn portions of both flow paths of the heat transfer medium circulating body of the above 2) can be formed relatively easily.
上記5)の伝熱装置によれば、伝熱媒体流通体が、真っ直ぐな扁平管状で、かつ管長手方向、管幅方向および管高さ方向をそれぞれ同一方向に向けた状態で管幅方向に間隔をおいて配置された第１および第２流通管部と、両流通管部に一体に設けられ、かつ両流通管部内での伝熱媒体の流れ方向が逆向きとなるように両流通管部の端部どうしを一体に連結するＵターン管部とよりなる２つの略Ｕ形の管状部材からなるので、伝熱媒体流通体を、１つの扁平管を曲げることによりつくられた２つの管状部材を用いて形成することが可能となり、部品点数を低減しうるとともに製造作業が容易になる。たとえば、管状部材の製造方法の一例が、特許第５１３３７７１号公報に記載されている。 According to the heat transfer device of the above 5), the heat transfer medium circulating body is a straight flat tube, and in the pipe width direction with the pipe longitudinal direction, the pipe width direction and the pipe height direction being directed in the same direction. The first and second flow pipes disposed at an interval and the flow pipes are integrally provided on both the flow pipes and the heat transfer media flow in opposite directions in both flow pipes. The heat transfer medium circulating body is formed by bending one flat tube, since it consists of two substantially U-shaped tubular members consisting of a U-turn tube portion connecting the ends of the portions together. It becomes possible to form using a member, the number of parts can be reduced and the manufacturing operation becomes easy. For example, one example of a method of manufacturing a tubular member is described in Japanese Patent No. 5133772.
上記6)の伝熱装置によれば、複数の伝熱媒体流通体が、管状部材の第１および第２流通管部の幅方向に間隔をおいて配置されており、すべての伝熱媒体流通体の管状部材の第１流通管部のＵターン管部とは反対側の端部が１つの入口部材に接合され、すべての伝熱媒体流通体の管状部材の第２通管部のＵターン管部とは反対側の端部が１つの出口部材に接合されているので、流入パイプから入口部材に流入した伝熱媒体は、すべての伝熱媒体流通体の第１流路および第２流路を流れた後に出口部材に流出し、出口部材から流出パイプにされる。したがって、多くの物体、たとえば組電池に、同時に冷熱または温熱を与えることが可能になる。 According to the heat transfer device of the above 6), the plurality of heat transfer medium circulating bodies are disposed at intervals in the width direction of the first and second flow pipe portions of the tubular member, and all the heat transfer medium flows The end of the first flow pipe portion of the tubular member of the body opposite to the U-turn pipe portion is joined to one inlet member, and the U-turn of the second pipe portion of the tubular member of all heat transfer medium flow bodies Since the end opposite to the pipe portion is joined to one outlet member, the heat transfer medium flowing from the inflow pipe into the inlet member is the first flow path and the second flow of all the heat transfer medium circulating bodies. After flowing through the channel, it flows out to the outlet member, and from the outlet member to the outlet pipe. Therefore, it becomes possible to simultaneously apply cold or heat to many objects, for example, a battery pack.
以下、この発明の実施形態を、図面を参照して説明する。この実施形態は、この発明による伝熱装置を、複数の直方体状の角形単電池からなる組電池に冷熱を伝えたり、温熱を伝えたりするために用いられるものである。 Hereinafter, embodiments of the present invention will be described with reference to the drawings. In this embodiment, the heat transfer device according to the present invention is used to transfer cold heat or transfer heat to a battery assembly composed of a plurality of rectangular solid rectangular cells.
以下の説明において、「アルミニウム」という用語には、純アルミニウムの他にアルミニウム合金を含むものとする。 In the following description, the term "aluminum" includes aluminum alloys in addition to pure aluminum.
図１はこの発明による伝熱装置の全体構成を示し、図２および図３はその一部分の構成を示す。 FIG. 1 shows the overall configuration of the heat transfer device according to the present invention, and FIGS. 2 and 3 show the configuration of a part thereof.
図１〜図３において、伝熱装置(1)は、アルミニウム製伝熱媒体流通体(2)と、伝熱媒体流通体(2)に設けられかつ伝熱媒体を伝熱媒体流通体(2)に供給するアルミニウム製入口部材(3)と、伝熱媒体流通体(2)に設けられかつ伝熱媒体を伝熱媒体流通体(2)から排出するアルミニウム製出口部材(4)とを備えており、伝熱媒体流通体(2)が、一端が流入部(7a)となった第１直線部(7)、流入部(7a)と同一端が流出部(8a)となった第２直線部(8)および両直線部(7)(8)の他端どうしを通じさせるターン部(9)を有する略Ｕ字状の第１流路(5)と、一端が流入部(11a)となった第１直線部(11)、流入部(11a)と同一端が流出部(12a)となった第２直線部(12)および両直線部(11)(12)の他端どうしを通じさせるターン部(13)を有する略Ｕ字状の第２流路(10)を有する。 In FIGS. 1 to 3, the heat transfer device (1) comprises an aluminum heat transfer medium circulating body (2) and a heat transfer medium circulating body (2), and the heat transfer medium is a heat transfer medium circulating body (2 And an aluminum outlet member (4) provided in the heat transfer medium circulating body (2) and discharging the heat transfer medium from the heat transfer medium circulating body (2). The heat transfer medium circulating body (2) has a first straight portion (7) whose one end is an inflow portion (7a) and a second one whose inflow portion (7a) and the same end become an outflow portion (8a) A substantially U-shaped first flow passage (5) having a straight portion (8) and a turn portion (9) for causing the other ends of both straight portions (7) and (8) to communicate with each other, and one end being an inflow portion (11a) The other end of the first straight portion (11), the inflow portion (11a) and the other end of the second straight portion (12) having the same end as the outflow portion (12a) and the both straight portions (11) and (12) It has a substantially U-shaped second flow passage (10) having a turn portion (13).
伝熱媒体流通体(2)は、仕切壁(14)(15)を介して並列状に形成されかつ両端が開口した複数の通路(16)を有するアルミニウム押出形材製扁平管(17)と、扁平管(17)の両端部に設けられて全通路(16)を通じさせる連通部(18)とよりなる。なお、図２においては仕切壁(14)(15)および通路(16)の図示は省略されている。 The heat transfer medium circulating body (2) is formed in parallel through the partition walls (14) (15), and an aluminum extruded flat tube (17) having a plurality of passages (16) open at both ends And a communicating portion (18) provided at both ends of the flat tube (17) to allow all the passages (16) to communicate. In addition, illustration of a partition wall (14) (15) and a channel | path (16) is abbreviate | omitted in FIG.
伝熱媒体流通体(2)を形成する扁平管(17)の全通路(16)は、連続して並んだ複数の通路(16)からなる２つの通路群(19)(20)に分けられており、両通路群(19)(20)どうしが伝熱媒体流通体(2)の長手方向両端部において連通部(18)を介して通じさせられている。各通路群(19)(20)は、扁平管(17)の幅方向の略半分の部分に設けられており、両通路群(19)(20)間の仕切壁(15)の肉厚は、各通路群(19)(20)の隣り合う２つの通路(16)間の仕切壁(14)の肉厚よりも厚くなっている。扁平管(17)の厚み方向に対向する２つの平坦壁(21)(22)のうちいずれか一方の平坦壁、ここでは上側の平坦壁(21)における長手方向の中間部に、一方の通路群(19)の全通路(16)に通じる入り側貫通穴(23)と、他方の通路群(20)の全通路(16)に通じる出側貫通穴(24)とが形成されている。 The entire passage (16) of the flat tube (17) forming the heat transfer medium circulating body (2) is divided into two passage groups (19) (20) consisting of a plurality of passages (16) arranged in series. The two passage groups (19) and (20) communicate with each other through the communicating portion (18) at both ends in the longitudinal direction of the heat transfer medium circulating body (2). Each passage group (19) (20) is provided in a substantially half portion in the width direction of the flat tube (17), and the thickness of the partition wall (15) between both passage groups (19) (20) is The thickness of the partition wall (14) between two adjacent passages (16) of each passage group (19) (20) is greater. One of the two flat walls (21) and (22) facing each other in the thickness direction of the flat tube (17), in this case the middle of the longitudinal direction in the upper flat wall (21), one passage An inlet through hole (23) communicating with all the passages (16) of the group (19) and an outlet through hole (24) communicating with all the passages (16) of the other passage group (20) are formed.
伝熱媒体流通体(2)の連通部(18)は、扁平管(17)の端部に内部が両通路群(19)(20)の全通路(16)に通じる連通用空間(25a)となった中空状ヘッダ部材(25)を接合することによって形成されている。 The communication portion (18) of the heat transfer medium circulating body (2) is a communication space (25a) whose inside communicates with all the passages (16) of both passage groups (19) and (20) at the end of the flat tube (17). It is formed by joining the hollow header member (25).
そして、扁平管(17)の入り側貫通穴(23)に通じる一方の通路群(19)により第１流路(5)および第２流路(10)の第１直線部(7)(11)が構成されるとともに、両第１直線部(7)(11)の入り側貫通穴(23)に臨んだ部分が流入部(7a)(11a)となっている。扁平管(17)の出側貫通穴(24)に通じる他方の通路群(20)により第１流路(5)および第２流路(10)の第２直線部(8)(12)が構成されるとともに、両第２直線部(8)(12)の出側貫通穴(24)に臨んだ部分が流出部(8a)(12a)となっている。また、両通路群(19)(20)どうしを通じさせる一方の連通部(18)により第１流路(5)のターン部(9)が構成されるとともに、同他方の連通部(18)により第２流路(10)のターン部(13)が構成されている。 Then, the first straight portion (7) (11) of the first flow passage (5) and the second flow passage (10) is formed by one passage group (19) communicating with the entry side through hole (23) of the flat tube (17). ) And the portions facing the entry side through holes (23) of both first straight portions (7, 11) are the inflow portions (7a) (11a). The second straight portions (8) and (12) of the first flow passage (5) and the second flow passage (10) are formed by the other passage group (20) communicating with the outlet through hole (24) of the flat tube (17) While being comprised, the part which faced the output side through-hole (24) of both 2nd linear part (8) (12) becomes the outflow part (8a) (12a). Further, the turn portion (9) of the first flow path (5) is constituted by one communication portion (18) which allows both passage groups (19) and (20) to communicate with each other, and the other communication portion (18) The turn portion (13) of the second flow path (10) is configured.
入口部材(3)は、上側平坦壁(21)の外面に入り側貫通穴(23)に通じるように、たとえばろう材による接合により固定され、出口部材(4)は上側平坦壁(21)の外面に出側貫通穴(24)に通じるように、たとえばろう材による接合により固定されている。入口部材(3)は、入り側貫通穴(23)を介して一方の通路群(19)の全通路(16)に通じるヘッダ部(3a)と、ヘッダ部(3a)に一体に設けられた短管部(3b)とよりなる。出口部材(4)は、出側貫通穴(24)を介して他方の通路群(20)の全通路(16)に通じるヘッダ部(4a)と、ヘッダ部(4a)に一体に設けられた短管部(4b)とよりなる。 The inlet member (3) is fixed by, for example, bonding with a brazing material so as to enter the outer surface of the upper flat wall (21) and lead to the through hole (23), and the outlet member (4) is of the upper flat wall (21). For example, it is fixed by bonding with a brazing material so as to lead to the exit through hole (24) on the outer surface. The inlet member (3) is integrally provided in the header portion (3a) communicating with all the passages (16) of one passage group (19) through the entry side through hole (23) and the header portion (3a) It consists of a short tube part (3b). The outlet member (4) is integrally provided in the header portion (4a) communicating with all the passages (16) of the other passage group (20) through the outlet side through hole (24), and the header portion (4a) It consists of a short pipe part (4b).
なお、図示は省略したが、複数の伝熱媒体流通体(2)が、扁平管(17)の幅方向に間隔をおいて配置され、すべての入口部材(3)が入口部材(3)に伝熱媒体を流入させる流入パイプに接続され、すべての出口部材(4)が出口部材から伝熱媒体を流出させる流出パイプに接続されていてもよい。 Although not shown, a plurality of heat transfer medium distributors (2) are arranged at intervals in the width direction of the flat tube (17), and all the inlet members (3) are used as inlet members (3). The heat transfer medium may be connected to the inflow pipe, and all the outlet members (4) may be connected to the outflow pipe for discharging the heat transfer medium from the outlet member.
上述した伝熱装置(1)は、たとえば複数の角形リチウムイオン二次電池の扁平状角形単電池(26)からなる組電池(27)を、次のようにして複数同時に冷却するのに用いられる。 The above-described heat transfer device (1) is used, for example, to simultaneously cool a plurality of battery packs (27) consisting of flat rectangular cells (26) of a plurality of rectangular lithium ion secondary batteries as follows. .
すなわち、組電池(27)は、伝熱装置(1)の伝熱媒体流通体(2)の扁平管(17)の上面における入口部材(3)および出口部材(4)よりも両連通部(18)側の部分に、それぞれ第１流路(5)の両直線部(7)(8)および第２流路(10)の両直線部(11)(12)に跨るように配置される。なお、図示は省略したが組電池(27)と扁平管(17)との間には電気絶縁部材が介在させられる。 That is, the battery assembly (27) has both communicating portions (in the upper surface of the flat tube (17) of the heat transfer medium circulating body (2) of the heat transfer device (1) than the inlet member (3) and the outlet member (4). 18) is disposed on the side portion so as to straddle both the straight portions (7) and (8) of the first flow passage (5) and the both straight portions (11) and (12) of the second flow passage (10) . Although not shown, an electrical insulating member is interposed between the battery assembly (27) and the flat tube (17).
この状態で、入口部材(3)に伝熱媒体である冷却液を供給すると、冷却液が伝熱媒体流通体(2)の両流路(5)(10)内を、第１直線部(7)(11)、ターン部(9)(13)および第２直線部(8)(12)の順に流れた後、出口部材(4)を通って排出され、冷却液が伝熱媒体流通体(2)内を流れる間に組電池(27)のすべての単電池(26)が冷却される。したがって、組電池(27)のすべての単電池(16)間に大きな温度差が生じることが抑制される。 In this state, when the cooling fluid, which is the heat transfer medium, is supplied to the inlet member (3), the cooling fluid flows in both flow paths (5) and (10) of the heat transfer medium circulating body (2) 7) After flowing in the order of (11), turn portions (9) (13) and second straight portions (8) (12), it is discharged through the outlet member (4), and the coolant is the heat transfer medium circulating body (2) While flowing inside, all the unit cells (26) of the battery assembly (27) are cooled. Therefore, the occurrence of a large temperature difference between all the unit cells (16) of the assembled battery (27) is suppressed.
寒冷地において、使用開始前に単電池(26)を適正温度まで加熱する必要がある場合には、入口部材(3)に温熱を供給しうる伝熱媒体である高温の加熱液を供給する。すると、加熱液が伝熱媒体流通体(2)の両流路(5)(10)内を、第１直線部(7)(11)、ターン部(9)(13)および第２直線部(8)(12)の順に流れた後、出口部材(4)を通って排出され、加熱液が伝熱媒体流通体(2)内を流れる間に組電池(27)のすべての単電池(26)が適正温度に加熱される。 In a cold area, when it is necessary to heat the unit cell (26) to an appropriate temperature before the start of use, a high temperature heating liquid which is a heat transfer medium capable of supplying a heat to the inlet member (3) is supplied. Then, the heating liquid flows in both flow paths (5) and (10) of the heat transfer medium circulating body (2), and the first straight portions (7) and (11), the turn portions (9) and (13) and the second straight portions (8) After flowing in the order of (12), it is discharged through the outlet member (4), and while the heating liquid flows in the heat transfer medium circulating body (2), all the cells of the battery assembly (27) ( 26) is heated to the proper temperature.
図４は伝熱媒体流通体(2)の扁平管(17)の両端部に設けられる連通部の変形例を示す。 FIG. 4 shows a modification of the communication part provided at both ends of the flat tube (17) of the heat transfer medium circulating body (2).
図４に示す連通部(30)は、扁平管(17)の全仕切壁(14)(15)における扁平管(17)の長手方向両端寄りの一定長さ部分を切除するとともに、扁平管(17)の両端開口を平板状のアルミニウム製閉鎖部材(31)により閉鎖することによって形成されている。 The communication portion (30) shown in FIG. 4 cuts out a constant length portion near the longitudinal direction both ends of the flat tube (17) in all the partition walls (14, 15) of the flat tube (17) and It is formed by closing both end openings of 17) by a flat aluminum closing member (31).
図５〜図８はこの発明による伝熱装置の他の実施形態を示す。 5 to 8 show another embodiment of the heat transfer device according to the present invention.
図５はこの発明による伝熱装置の全体構成を示し、図６〜図８はその一部分の構成を示す。 FIG. 5 shows the entire structure of the heat transfer device according to the present invention, and FIGS. 6 to 8 show the structure of a part thereof.
図５〜図８において、伝熱装置(40)は、アルミニウム製伝熱媒体流通体(41)と、伝熱媒体流通体(41)に設けられかつ伝熱媒体を伝熱媒体流通体(41)に供給するアルミニウム製入口部材(42)と、伝熱媒体流通体(41)に設けられかつ伝熱媒体を伝熱媒体流通体(41)から排出するアルミニウム製出口部材(43)とを備えており、伝熱媒体流通体(41)が、一端が流入部(45a)となった第１直線部(45)、流入部(45a)と同一端が流出部(46a)となった第２直線部(46)および両直線部(45)(46)の他端どうしを通じさせるターン部(47)を有する略Ｕ字状の第１流路(44)と、一端が流入部(49a)となった第１直線部(49)、流入部(49a)と同一端が流出部(50a)となった第２直線部(50)および両直線部(49)(50)の他端どうしを通じさせるターン部(51)を有する略Ｕ字状の第２流路(48)を有する。 5 to 8, the heat transfer device (40) is provided to the aluminum heat transfer medium circulating body (41) and the heat transfer medium circulating body (41), and the heat transfer medium is used as the heat transfer medium circulating body (41). And an aluminum outlet member (43) provided in the heat transfer medium circulating body (41) and discharging the heat transfer medium from the heat transfer medium circulating body (41). The heat transfer medium circulating body (41) has a first straight portion (45) whose one end is an inflow portion (45a), and a second one whose inflow portion (45a) and the same end become an outflow portion (46a) A substantially U-shaped first flow path (44) having a straight portion (46) and a turn portion (47) for letting the other ends of both straight portions (45) (46) communicate with each other, and an inflow portion (49a) at one end The other end of the first straight portion (49), the inflow portion (49a) and the other end of the second straight portion (50) having the same end as the outflow portion (50a) and the both straight portions (49) and (50) are communicated. It has a substantially U-shaped second flow passage (48) having a turn portion (51).
伝熱媒体流通体(41)は、真っ直ぐな扁平管状で、かつ管長手方向、管幅方向および管高さ方向をそれぞれ同一方向に向けた状態で管幅方向に間隔をおいて配置された第１および第２流通管部(53)(54)と、両流通管部(53)(54)に一体に設けられ、かつ両流通管部(53)(54)内での伝熱媒体の流れ方向が逆向きとなるように両流通管部(53)(54)の端部どうしを一体に連結するＵターン管部(55)とよりなる２つの略Ｕ形の管状部材(52)からなり、両管状部材(52)の第１および第２流通管部(53)(54)におけるＵターン管部(55)とは反対側の端部どうしが向き合うように配置されたものである。 The heat transfer medium circulating body (41) is a straight flat tubular member and is disposed at intervals in the pipe width direction with the pipe longitudinal direction, the pipe width direction and the pipe height direction being directed in the same direction. First and second flow pipe sections (53) and (54) and both flow pipe sections (53) and (54) are integrally provided, and flow of heat transfer medium in both flow pipe sections (53) and (54) It consists of two substantially U-shaped tubular members (52) consisting of a U-turn pipe (55) connecting the ends of the two flow pipes (53) (54) together in opposite directions. The end portions of the first and second flow pipe sections (53) and (54) of both tubular members (52) opposite to the U-turn pipe section (55) are disposed to face each other.
各管状部材(52)の第１および第２流通管部(53)(54)およびＵターン管部(55)には、複数の通路(56)が仕切壁(57)を介して幅方向に並んで形成されている。なお、図６においては，通路(56)および仕切壁(57)の図示は省略されている。すべての伝熱媒体流通体(41)は、第１および第２流通管部(53)(54)の管幅方向に間隔をおいて配置されている。 A plurality of passages (56) extend in the width direction via the partition wall (57) in the first and second flow pipe sections (53) (54) and the U-turn pipe section (55) of each tubular member (52) It is formed side by side. In FIG. 6, the passage (56) and the partition wall (57) are not shown. All the heat transfer medium flow bodies (41) are arranged at intervals in the pipe width direction of the first and second flow pipe sections (53) (54).
両管状部材(52)は、アルミニウム押出形材製の真っ直ぐな扁平管を曲げることにより形成されており、第１および第２流通管部(53)(54)は、管厚み方向の両側面が同一平面内に位置しているする。また、Ｕターン管部(55)は、第１および第２流通管部(53)(54)の傾斜端縁どうしを一体に連結する扁平連結部により構成されている。 Both tubular members (52) are formed by bending a straight flat tube made of extruded aluminum, and the first and second flow tube portions (53, 54) have both side surfaces in the tube thickness direction. Located in the same plane. Further, the U-turn pipe portion (55) is constituted by a flat connecting portion which integrally connects the inclined end edges of the first and second flow pipe portions (53, 54).
伝熱媒体流通体(41)の両管状部材(52)の第１流通管部(53)内が第１流路(44)および第２流路(48)の第１直線部(45)(49)となるとともに、第１流通管部(53)のＵターン管部(55)とは反対側の開口が流入部(45a)(49a)となり、第２流通管部(54)内が第１流路(44)および第２流路(48)の第２直線部(46)(50)となるとともに、第２流通管部(54)のＵターン管部(55)とは反対側の開口が流出部(46a)(50a)となっている。また、両管状部材(52)のＵターン管部(55)内が第１流路(44)および第２流路(48)のターン部(47)(51)となっている。 The inside of the first flow pipe portion (53) of the both tubular members (52) of the heat transfer medium flow body (41) is the first straight portion (45) of the first flow path (44) and the second flow path (48) 49), and the opening on the opposite side to the U-turn pipe portion (55) of the first flow pipe portion (53) becomes the inflow portion (45a) (49a), and the inside of the second flow pipe portion (54) is the second The second straight portion (46) (50) of the first flow passage (44) and the second flow passage (48) and the opposite side of the U-turn pipe portion (55) of the second flow pipe portion (54) The openings are outlet sections (46a) and (50a). In addition, the inside of the U-turn pipe portion (55) of both tubular members (52) is the turn portion (47) (51) of the first flow path (44) and the second flow path (48).
伝熱媒体流通体(41)の両管状部材(52)における第１流通管部(53)の流入部(45a)(49a)側の端部が１つの管状の入口部材(42)に接続され、同第２流通管部(54)の流出部(46a)(50a)側の端部が１つの管状の出口部材(43)に接続されている。入口部材(42)および出口部材(43)は、長手方向を両管状部材(52)の第１および第２流通管部(53)(54)の長手方向と直交する方向に向けるとともに、いずれか一方の部材、ここでは出口部材(43)が上方に位置するように配置されており、両管状部材(52)の第１および第２流通管部(53)(54)のうち上方に位置する出口部材(43)に接続される第２流通管部(54)が、出口部材(43)側端部の近傍で斜め上方に曲げられている。すべての伝熱媒体流通体(41)の第１および第２流通管部(53)(54)は、管高さ方向を鉛直方向に向けており、両流通管部(53)(54)の上面および下面（管厚み方向の両側面）はそれぞれ同一水平面上に位置している。 The end of the first flow pipe portion (53) of both heat transfer medium flow bodies (41) at the inflow portion (45a) (49a) side of the first flow pipe portion (53) is connected to one tubular inlet member (42) An end of the second flow pipe portion (54) on the outflow portion (46a) (50a) side is connected to one tubular outlet member (43). The inlet member (42) and the outlet member (43) direct the longitudinal direction in a direction orthogonal to the longitudinal direction of the first and second flow pipe portions (53) (54) of both tubular members (52), One member, here the outlet member (43), is arranged to be located at the top, and is located at the top of the first and second flow pipes (53, 54) of both tubular members (52) A second flow pipe (54) connected to the outlet member (43) is bent obliquely upward near the end on the outlet member (43) side. The first and second flow pipe sections (53) (54) of all the heat transfer medium flow bodies (41) have the pipe height direction directed in the vertical direction, and in both flow pipe sections (53) (54) The upper and lower surfaces (both side surfaces in the tube thickness direction) are located on the same horizontal surface.
上述した伝熱装置(40)は、たとえば複数の角形リチウムイオン二次電池の扁平状角形単電池(26)からなる組電池(27)を、次のようにして複数同時に冷却するのに用いられる。 The above-described heat transfer device (40) is used, for example, to simultaneously cool a plurality of battery packs (27) consisting of flat rectangular cells (26) of a plurality of rectangular lithium ion secondary batteries as follows. .
すなわち、組電池(27)は、伝熱装置(40)のすべての伝熱媒体流通体(41)の各管状部材(52)の上面に、各管状部材(52)の両流通管部(53)(54)に跨るように配置される。なお、図示は省略したが組電池(27)と両流通管部(53)(54)との間には電気絶縁部材が介在させられる。 That is, the battery assembly (27) is formed on the upper surface of each tubular member (52) of all the heat transfer medium circulating bodies (41) of the heat transfer device (40), both flow pipe portions (53 of each tubular member (52)). ) (54) are arranged. Although illustration is omitted, an electrical insulating member is interposed between the battery assembly (27) and the two flow pipe sections (53) and (54).
この状態で、入口部材(42)に伝熱媒体である冷却液を供給すると、冷却液が伝熱媒体流通体(41)の両流路(44)(48)内を、第１直線部(45)(49)、ターン部(47)(51)および第２直線部(46)(50)の順に流れた後、出口部材(43)を通って排出され、冷却液が伝熱媒体流通体(41)内を流れる間に組電池(27)のすべての単電池(26)が冷却される。したがって、組電池(27)のすべての単電池(16)間に大きな温度差が生じることが抑制される。 In this state, when the coolant, which is the heat transfer medium, is supplied to the inlet member (42), the coolant flows in both flow paths (44) and (48) of the heat transfer medium circulating body (41) 45) After flowing in the order of (49), the turn portion (47) (51) and the second straight portion (46) (50), it is discharged through the outlet member (43), and the coolant is the heat transfer medium circulating body (41) While flowing through, all the unit cells (26) of the battery pack (27) are cooled. Therefore, the occurrence of a large temperature difference between all the unit cells (16) of the assembled battery (27) is suppressed.
寒冷地において、使用開始前に単電池(26)を適正温度まで加熱する必要がある場合には、入口部材(42)に温熱を供給しうる伝熱媒体である高温の加熱液を供給する。すると、加熱液が伝熱媒体流通体(41)の両流路(44)(48)内を、第１直線部(45)(49)、ターン部(47)(51)および第２直線部(46)(50)の順に流れた後、出口部材(43)を通って排出され、加熱液が伝熱媒体流通体(41)内を流れる間に組電池(27)のすべての単電池(26)が適正温度に加熱される。 In a cold area, when it is necessary to heat the unit cell (26) to an appropriate temperature before the start of use, the inlet member (42) is supplied with a high temperature heating liquid which is a heat transfer medium capable of supplying heat. Then, the heating liquid flows in both flow paths (44) and (48) of the heat transfer medium circulating body (41), and the first straight portions (45) and (49), the turn portions (47) and (51) and the second straight portions (46) After flowing in the order of (50), it is discharged through the outlet member (43), and while the heating liquid flows in the heat transfer medium circulating body (41), all the cells of the assembled battery (27) ( 26) is heated to the proper temperature.
この発明による伝熱装置は、たとえば複数のＬｉイオン二次電池の単電池からなる組電池を備えた電気自動車において、単電池の冷却や適正温度への加熱に用いられる。 The heat transfer device according to the present invention is used, for example, for cooling a unit cell or heating it to an appropriate temperature in an electric vehicle provided with an assembled battery composed of a plurality of unit cells of Li ion secondary batteries.
(1)(40)：伝熱装置
(2)(41)：伝熱媒体流通体
(3)(42)：入口部材
(4)(43)：出口部材
(5)(44)：第１流路
(7)(11)(45)(49)：第１直線部
(7a)(11a)(45a)(49a)：流入部
(8)(12)(46)(50)：第２直線部
(8a)(12a)(46a)(50a)：流出部
(9)(13)(47)(51)：ターン部
(10)(48)：第２流路
(14)(15)：仕切壁
(16)：通路
(17)：扁平管
(18)(30)：連通部
(19)(20)：通路群
(21)(22)：平坦壁
(23)：入り側貫通穴
(24)：出側貫通穴
(25)：ヘッダ部材
(25a)：連通用空間
(31)：閉鎖部材
(52)：管状部材
(53)：第１流通管部
(54)：第２流通管部
(55)：Ｕターン管部
(1) (40): Heat transfer device
(2) (41): Heat transfer medium circulating body
(3) (42): Entrance member
(4) (43): Exit member
(5) (44): first flow path
(7) (11) (45) (49): first straight portion
(7a) (11a) (45a) (49a): Inflow part
(8) (12) (46) (50): second straight portion
(8a) (12a) (46a) (50a): Outflow part
(9) (13) (47) (51): Turn part
(10) (48): second flow path
(14) (15): Partition wall
(16): Passage
(17): Flat tube
(18) (30): Communication part
(19) (20): Passage group
(21) (22): Flat wall
(23): Entry side through hole
(24): Outgoing through hole
(25): Header member
(25a): Communication space
(31): closing member
(52): Tubular member
(53): First distribution pipe
(54): Second distribution pipe
(55): U-turn pipe section
Claims (6)
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| CN201821778092.6U CN209355743U (en) | 2017-11-02 | 2018-10-31 | Heat transfer unit (HTU) |
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| JP2017213034A JP6969978B2 (en) | 2017-11-02 | 2017-11-02 | Heat transfer device |
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| JP6969978B2 JP6969978B2 (en) | 2021-11-24 |
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| JP2019114492A (en) * | 2017-12-26 | 2019-07-11 | 昭和電工株式会社 | Heat transfer device |
| JP2019186149A (en) * | 2018-04-16 | 2019-10-24 | 本田技研工業株式会社 | Battery cooling device for electric vehicle |
| WO2021045084A1 (en) * | 2019-09-04 | 2021-03-11 | 昭和電工株式会社 | Heat exchanger |
| JP7494453B2 (en) | 2019-09-04 | 2024-06-04 | 株式会社レゾナック | Heat exchanger |
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| JP2013538416A (en) * | 2010-07-30 | 2013-10-10 | ヴァレオ クリマジステーメ ゲーエムベーハー | Cooling device for vehicle battery and vehicle battery having the cooling device |
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| JP2019114492A (en) * | 2017-12-26 | 2019-07-11 | 昭和電工株式会社 | Heat transfer device |
| JP2019186149A (en) * | 2018-04-16 | 2019-10-24 | 本田技研工業株式会社 | Battery cooling device for electric vehicle |
| EP3590748B1 (en) * | 2018-04-16 | 2021-03-03 | Honda Motor Co., Ltd. | Battery cooling device for electric vehicle |
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| WO2021045084A1 (en) * | 2019-09-04 | 2021-03-11 | 昭和電工株式会社 | Heat exchanger |
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| CN209355743U (en) | 2019-09-06 |
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