JP2016161158A - Liquid-cooled cooling apparatus - Google Patents
Liquid-cooled cooling apparatus Download PDFInfo
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- JP2016161158A JP2016161158A JP2015037907A JP2015037907A JP2016161158A JP 2016161158 A JP2016161158 A JP 2016161158A JP 2015037907 A JP2015037907 A JP 2015037907A JP 2015037907 A JP2015037907 A JP 2015037907A JP 2016161158 A JP2016161158 A JP 2016161158A
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- 238000001816 cooling Methods 0.000 title claims abstract description 60
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 23
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 11
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 7
- 239000000956 alloy Substances 0.000 claims abstract description 7
- 239000002826 coolant Substances 0.000 claims description 98
- 230000002093 peripheral effect Effects 0.000 claims description 52
- 239000007788 liquid Substances 0.000 claims description 26
- 238000005219 brazing Methods 0.000 claims description 24
- 238000005192 partition Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000006698 induction Effects 0.000 claims description 8
- 239000012809 cooling fluid Substances 0.000 claims description 4
- 239000000110 cooling liquid Substances 0.000 abstract 3
- 238000001125 extrusion Methods 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 12
- 239000000945 filler Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
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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
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6567—Liquids
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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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
この発明は液冷式冷却装置に関する。 The present invention relates to a liquid cooling type cooling device.
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.
近年、環境問題などから、ハイブリッド自動車、電気自動車等が注目されており、そのために各種の二次電池が開発されている。各種の二次電池の中でもリチウムイオン二次電池は、エネルギー密度が高く、密閉性に優れ、かつメンテナンスフリーであるため、ハイブリッド自動車や電気自動車用のバッテリとして優れているが、大型のものは実用化されていない。そこで、複数個の小型の単電池を直列または並列に接続して組電池の形態とすることにより、所望の電圧や容量を確保している。 In recent years, hybrid vehicles, electric vehicles, and the like have attracted attention due to environmental problems, and various secondary batteries have been developed for this purpose. Among various types of secondary batteries, lithium ion secondary batteries have high energy density, excellent sealing properties, and are maintenance-free, so they are excellent as batteries for hybrid vehicles and electric vehicles. It has not been converted. Therefore, a desired voltage and capacity are secured by connecting a plurality of small cells in series or in parallel to form a battery pack.
リチウムイオン二次電池は、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が、上述したような組電池の形態で用いた場合、単電池間に比較的大きな温度差が生じる。 Lithium ion secondary batteries vary in performance and life depending on the operating temperature, so it is necessary to use them at an appropriate temperature in order to use them efficiently over a long period of time. In this case, a relatively large temperature difference occurs between the single cells.
そこで、上述したような組電池におけるすべての単電池の温度差を小さくすることを目的として、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アルミニウム製出口ヘッダと、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、入口ヘッダに流入した冷却液が、入口ヘッダから流入側通路、中間ヘッダおよび流出側通路を通って出口ヘッダに至り、出口ヘッダから流出するようになされている液冷式冷却装置が提案されている（特許文献１参照）。 Therefore, for the purpose of reducing the temperature difference of all the single cells in the assembled battery as described above, it is made of flat plate-like aluminum having a plurality of passages that are formed in parallel through the partition walls and open at both ends. The coolant circulation body, the aluminum inlet header and the aluminum outlet header provided in the longitudinal direction of the passage in the coolant circulation body and arranged in the direction of the passage, and the longitudinal direction of the passage in the coolant circulation body An intermediate header made of aluminum provided at the other end, and a flat one surface of the coolant circulation body is a heating element mounting surface, and is formed side by side continuously on one side of the coolant circulation body in all passages The plurality of passages become inflow side passages, the plurality of remaining passages formed side by side continuously on the other side of the coolant circulation body become outflow side passages, and the inlet header passes through the inflow side passages. In addition, the outlet header communicates with the outflow passage, the intermediate header communicates with the inflow passage and the outflow passage, and the coolant flows into the inlet header from the inlet header to the inflow passage and the intermediate header. In addition, there has been proposed a liquid cooling type cooling device that reaches the outlet header through the outflow side passage and flows out of the outlet header (see Patent Document 1).
しかしながら、特許文献１には、液冷式冷却装置の具体的な構造は記載されておらず、組電池を支持するのに必要な強度を確保する手段や、組み立て方は不明である。
However,
この発明の目的は、上記実情に鑑み、組電池を構成するすべての単電池を効率良く冷却してすべての単電池に大きな温度差を生じることを防止した上で、容易に組み立てることができるとともに、組電池を支持するのに必要な強度を確保しうる液冷式冷却装置を提供することにある。 In view of the above situation, the object of the present invention is to efficiently cool all the single cells constituting the assembled battery and prevent a large temperature difference between all the single cells, and can be easily assembled. Another object of the present invention is to provide a liquid cooling type cooling device capable of ensuring the strength necessary to support the assembled battery.
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。 In order to achieve the above object, the present invention comprises the following aspects.
1)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中間ヘッダとを備えており、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、入口ヘッダに流入した冷却液が、入口ヘッダから流入側通路、中間ヘッダおよび流出側通路を通って出口ヘッダに至り、出口ヘッダから流出するようになされている液冷式冷却装置であって、
冷却液流通体が質別Ｔ５のJIS Ａ６０００系合金からなるアルミニウム押出形材製であり、冷却液流通体の近接した流入側通路と流出側通路との間の仕切壁の一端部に切り欠きが形成され、冷却液流通体における切り欠きよりも流入側通路が形成された側が流入部となっているとともに、同じく流出側通路が形成された側が流出部となっており、
入口ヘッダ、出口ヘッダおよび中間ヘッダがそれぞれアルミニウムからなり、かつ一方に開口した空隙部と、空隙部の開口の周囲に一体に設けられた外向きフランジとを有し、入口ヘッダが、冷却液流通体の流入部における切り欠きが形成された側の端面に、空隙部が全流入側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付され、出口ヘッダが、冷却液流通体の流出部における切り欠きが形成された側の端面に、空隙部が全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付され、中間ヘッダが、冷却液流通体の切り欠きが形成されていない側の端面に、空隙部が全流入側通路および全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付されている液冷式冷却装置。
1) A flat-plate-shaped coolant circulation body having a plurality of passages formed in parallel via partition walls and open at both ends, and one end in the longitudinal direction of the passage in the coolant circulation body, in the direction in which the passages are arranged It has an inlet header and an outlet header provided side by side, and an intermediate header provided at the other end in the longitudinal direction of the passage in the coolant circulation body, and a flat one surface of the coolant circulation body serves as a heating element mounting surface. The plurality of passages formed continuously on one side of the coolant circulation body among all the passages become inflow side passages and the plurality of remaining formed continuously on the other side of the coolant circulation body The outlet header is connected to the inlet passage, the outlet header is connected to the outlet passage, the intermediate header is connected to the inlet passage and the outlet passage, and the inlet header is connected to the inlet header. The coolant that flows in Inflow-side passage mouth header reaches the outlet header through the intermediate header and the outflow side passage, a liquid-cooling type cooling device being adapted to flow out from the outlet header,
The coolant circulation body is made of an extruded aluminum material made of JIS A6000 series alloy of grade T5, and a notch is formed at one end of the partition wall between the inflow side passage and the outflow side passage adjacent to the coolant circulation body. Formed, the side where the inflow side passage is formed rather than the notch in the coolant circulation body is the inflow portion, and the side where the outflow side passage is also formed is the outflow portion,
Each of the inlet header, the outlet header and the intermediate header is made of aluminum and has a gap portion opened in one side and an outward flange integrally provided around the opening of the gap portion. The end of the inflow portion of the body on the side where the notch is formed is brazed so that the gap portion leads to the entire inflow side passage, and the peripheral edge of the outward flange protrudes outside the outer peripheral edge of the end surface, The outlet header is connected to the entire outflow side passage at the end surface where the notch is formed in the outflow portion of the coolant circulation body, and the peripheral edge of the outward flange protrudes outside the outer peripheral edge of the end surface. The intermediate header is connected to the end face on the side where the notch of the coolant circulation body is not formed, and the gap portion leads to the all inflow side passage and all the outflow side passages. Liquid-cooled-type cooling device are brazed to the peripheral edge of di protrudes outward from the outer peripheral edge of the end face.
2)冷却液流通体の近接した流入側通路と流出側通路との間の仕切壁が、隣接した流入側通路間の仕切壁および隣接した流出側通路間の仕切壁よりも厚肉となり、当該厚肉の仕切壁の一端部に切り欠きが形成されている上記1)記載の液冷式冷却装置。 2) The partition wall between the inflow side passage and the outflow side passage adjacent to the coolant circulation body is thicker than the partition wall between the adjacent inflow side passages and the partition wall between the adjacent outflow side passages. The liquid cooling type cooling apparatus according to 1) above, wherein a notch is formed in one end of the thick partition wall.
3)上記1)記載の液冷式冷却装置を製造する方法であって、
冷却液流通体を、切り欠きが形成された側の端面が下方を向くように配置すること、冷却液流通体の流入部における切り欠きが形成された側の端面に、入口ヘッダを、空隙部が全流入側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するように配置すること、冷却液流通体の流出部における切り欠きが形成された側の端面に、出口ヘッダを、空隙部が全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するように配置すること、入口ヘッダおよび出口ヘッダの外向きフランジにおける前記端面の外周縁よりも外側に突出した部分に線状のろう材を載せること、ならびに入口ヘッダおよび出口ヘッダと冷却液流通体とを高周波誘導加熱ろう付法によりろう付することからなる工程と、
冷却液流通体を、切り欠きが形成されていない側の端面が下方を向くように配置すること、冷却液流通体の下側を向いた端面に、中間ヘッダを、空隙部が全流入側通路および全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するように配置すること、中間ヘッダの外向きフランジにおける前記端面の外周縁よりも外側に突出した部分に線状のろう材を載せること、ならびに中間ヘッダと冷却液流通体とを高周波誘導加熱ろう付法によりろう付することからなる工程とを含む液冷式冷却装置の製造方法。
3) A method for producing the liquid cooling type cooling device according to 1) above,
Disposing the coolant circulation body so that the end surface on the side where the notch is formed faces downward, the inlet header on the end surface on the side where the notch is formed in the inflow portion of the coolant circulation body, and the gap portion Is arranged so that the peripheral edge of the outward flange protrudes outward from the outer peripheral edge of the end face, and the end face on the side where the notch is formed in the outflow part of the coolant circulation body. The outlet header is disposed such that the gap portion leads to the entire outflow side passage and the outer peripheral edge of the outward flange protrudes outward from the outer peripheral edge of the end face. Place a linear brazing material on the part of the end face that protrudes outward from the outer peripheral edge, and braze the inlet and outlet headers and the coolant circulation body by high-frequency induction heating brazing. And a step consisting of,
Arrange the coolant circulation body so that the end surface on the side where the notch is not formed faces downward, the intermediate header on the end surface facing the lower side of the coolant circulation body, and the gap portion in the entire inflow side passage And the outer flange protrudes outward from the outer peripheral edge of the end face in the outward flange of the intermediate header, and is arranged so that the peripheral edge of the outward flange protrudes outward from the outer peripheral edge of the end face. A method for manufacturing a liquid cooling type cooling apparatus, comprising: placing a linear brazing material on a portion; and brazing the intermediate header and a coolant circulation body by a high frequency induction heating brazing method.
上記1)および2)の液冷式冷却装置によれば、入口ヘッダに流入した冷却液が、入口ヘッダから流入側通路、中間ヘッダおよび流出側通路を通って出口ヘッダに至り、出口ヘッダから流出するようになされているので、冷却液流通体の平坦な発熱体取付面に、複数の単電池からなる組電池を配置することによって、すべての単電池を効率良く冷却することが可能になり、すべての単電池に大きな温度差が生じることを防止しうる。 According to the liquid cooling type cooling apparatus of 1) and 2) above, the coolant flowing into the inlet header reaches the outlet header from the inlet header through the inflow side passage, the intermediate header and the outflow side passage, and flows out from the outlet header. Therefore, by disposing an assembled battery composed of a plurality of single cells on the flat heating element mounting surface of the coolant circulation body, it becomes possible to efficiently cool all the single cells, A large temperature difference can be prevented from occurring in all the single cells.
そして、冷却液流通体が質別Ｔ５のJIS Ａ６０００系合金からなるアルミニウム押出形材製であるから、冷却液流通体を、発熱体取付面が上方を向くように水平状態で配置し、発熱体取付面に複数の単電池からなる組電池を載置した場合にも、組電池を支持するのに必要な強度を確保することが可能になる。たとえば、入口ヘッダ、出口ヘッダおよび中間ヘッダを、上記3)の製造方法のように、高周波誘導加熱ろう付法によってろう付すると、冷却液流通体の全体が加熱されることが防止されるので、冷却液流通体の大部分の焼鈍による強度低下が防止される。また、入口ヘッダが、冷却液流通体の流入部における切り欠きが形成された側の端面に、空隙部が全流入側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付され、出口ヘッダが、冷却液流通体の流出部における切り欠きが形成された側の端面に、空隙部が全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付され、中間ヘッダが、冷却液流通体の切り欠きが形成されていない側の端面に、空隙部が全流入側通路および全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付されているので、冷却液流通体の端面と、入口ヘッダ、出口ヘッダおよび中間ヘッダのとの間にろう付不良が生じることが防止される。特に、冷却液流通体がアルミニウム押出形材製であるから、端面寸法にばらつきが生じ易いが、この場合にも、冷却液流通体の端面と、入口ヘッダ、出口ヘッダおよび中間ヘッダのとの間にろう付不良が生じることが防止される。さらに、液冷式冷却装置を上記3)の方法により製造する際に、入口ヘッダの外向きフランジにおける冷却液流通体の流入部の端面の外周縁よりも外側に突出した部分、出口ヘッダの外向きフランジにおける冷却液流通体の流出部の端面の外周縁よりも外側に突出した部分、および中間ヘッダの外向きフランジにおける冷却液流通体の端面の外周縁よりも外側に突出した部分に線状のろう材を載せることができるので、ろう材の保持および位置決めをすること可能になる。 And since the coolant circulation body is made of an aluminum extruded shape made of JIS A6000 series alloy of grade T5, the coolant circulation body is arranged in a horizontal state with the heating element mounting surface facing upward, and the heating element Even when an assembled battery composed of a plurality of single cells is placed on the mounting surface, it is possible to ensure the strength required to support the assembled battery. For example, if the inlet header, the outlet header and the intermediate header are brazed by the high frequency induction heating brazing method as in the manufacturing method of the above 3), the entire coolant circulation body is prevented from being heated. A decrease in strength due to the annealing of most of the coolant circulation body is prevented. In addition, the inlet header has an end face on the side where the notch is formed in the inflow portion of the coolant circulation body, the gap portion communicates with the entire inflow side passage, and the peripheral edge of the outward flange is outside the outer peripheral edge of the end surface. The outlet header is connected to the end surface of the coolant flow body where the notch is formed on the side where the notch is formed, the gap portion leads to the entire flow-out side passage, and the peripheral edge of the outward flange is Brazed so as to protrude outward from the outer peripheral edge of the end surface, the intermediate header is on the end surface on the side where the notch of the coolant circulation body is not formed, and the gap portion is on the all inflow side passage and all the outflow side passages And is brazed so that the outer peripheral edge of the outward flange protrudes outward from the outer peripheral edge of the end face, so that it is between the end face of the coolant circulation body and the inlet header, outlet header and intermediate header. Brazing It is prevented good results. In particular, since the coolant circulation body is made of extruded aluminum, the end face dimensions are likely to vary, but in this case as well, it is between the end face of the coolant circulation body and the inlet header, outlet header and intermediate header. It is possible to prevent the occurrence of brazing defects. Further, when the liquid cooling type cooling device is manufactured by the method of the above 3), a portion protruding outward from the outer peripheral edge of the end surface of the inflow portion of the coolant circulation body in the outward flange of the inlet header, the outside of the outlet header Linearly projecting from the outer peripheral edge of the end face of the coolant flowing body in the facing flange, and protruding outward from the outer peripheral edge of the end face of the coolant flowing body in the outward flange of the intermediate header Since the brazing filler metal can be placed, the brazing filler metal can be held and positioned.
上記2)の液冷式冷却装置によれば、冷却液流通体の近接した流入側通路と流出側通路との間の仕切壁の肉厚を比較的大きくすることにより、組電池を支持するのに必要な強度を効果的に増大させることが可能になる。 According to the liquid cooling type cooling device of 2), the assembled battery is supported by relatively increasing the wall thickness of the partition wall between the inflow side passage and the outflow side passage adjacent to the coolant circulation body. It is possible to effectively increase the strength required for the.
上記3)の製造方法によれば、冷却液流通体の強度を低下させることなく、冷却液流通体と、入口ヘッダ、出口ヘッダおよび中間ヘッダとを比較的簡単に、かつろう付不良が生じることなくろう付することが可能になる。 According to the manufacturing method of 3) above, the cooling fluid circulation body, the inlet header, the outlet header, and the intermediate header can be relatively easily and poorly brazed without reducing the strength of the cooling fluid circulation body. It becomes possible to braze.
以下、この発明の実施形態を、図面を参照して説明する。 Embodiments of the present invention will be described below with reference to the drawings.
図１はこの発明による液冷式冷却装置の全体構成を示し、図２〜図４はその一部分の構成を示す。また、図５〜図７は図１の液冷式冷却装置を製造する方法を示す。 FIG. 1 shows an overall configuration of a liquid cooling type cooling apparatus according to the present invention, and FIGS. 2 to 4 show a partial configuration thereof. 5 to 7 show a method of manufacturing the liquid cooling type cooling device of FIG.
図１において、液冷式冷却装置(1)は、長方形の扁平板状であり、かつ水平状態に配置されるアルミニウム押出形材製冷却液流通体(2)と、冷却液流通体(2)の長手方向の一端に幅方向に並んでろう付されたアルミニウム製入口ヘッダ(3)および出口ヘッダ(4)と、入口ヘッダ(3)に接続されたアルミニウム製入口パイプ(5)と、出口ヘッダ(4)に接続されたアルミニウム製出口パイプ(6)と、冷却液流通体(2)の長手方向の他端に全幅にわたってろう付されたアルミニウム製中間ヘッダ(7)とを備えており、冷却液流通体(2)の平坦な上方を向いた片面が発熱体取付面(8)となり、当該発熱体取付面(8)に、複数の直方体状の角形単電池(9)からなる組電池(10)が載せられるようになっている。 In FIG. 1, a liquid cooling type cooling device (1) has a rectangular flat plate shape and is disposed in a horizontal state, and is made of an aluminum extruded shape coolant circulating body (2) and a coolant circulating body (2). Aluminum inlet header (3) and outlet header (4) brazed in the width direction at one end in the longitudinal direction, aluminum inlet pipe (5) connected to inlet header (3), and outlet header An aluminum outlet pipe (6) connected to (4), and an aluminum intermediate header (7) brazed across the entire width to the other end in the longitudinal direction of the coolant circulation body (2). One side of the liquid circulation body (2) facing upward is a heating element mounting surface (8), and the heating element mounting surface (8) includes an assembled battery composed of a plurality of rectangular parallelepiped rectangular cells (9) ( 10) can be placed.
冷却液流通体(2)は、質別Ｔ５のJIS Ａ６０００系合金からなるアルミニウム押出形材を用いてつくられたものである。入口ヘッダ(3)、出口ヘッダ(4)および中間ヘッダ(7)は、たとえば質別ＯのJIS Ａ３０００系合金からなる条に深絞り加工を施すことによりつくられたり、質別Ｈ１４のJIS Ａ３０００系合金または質別Ｈ１４のJIS Ａ１０００系アルミニウムからなる素材に切削加工を施すことによりつくられる。 The coolant circulation body (2) is made by using an aluminum extruded shape made of a JIS A6000 series alloy of grade T5. The inlet header (3), outlet header (4) and intermediate header (7) are made, for example, by deep drawing a strip made of grade O JIS A3000 alloy, or grade H14 JIS A3000. It is made by cutting a material made of an alloy or JIS A1000 series aluminum of quality H14.
図２〜図４に示すように、冷却液流通体(2)には、長手方向にのびかつ両端が開口した複数の通路(11A)(11B)が、仕切壁(12A)(12B)を介して並列状に形成されている。全通路(11A)(11B)のうち冷却液流通体(2)の片側(図３の右側、図４の左側)に連続して並んで形成された複数の通路(11A)が流入側通路となるとともに、冷却液流通体(2)の他側(図３の左側、図４の右側)に連続して並んで形成された複数の残りの通路(11B)が流出側通路となっている。冷却液流通体(2)の幅方向の中央部に位置し、かつ互いに近接した流入側通路(11A)と流出側通路(11B)との間の仕切壁(12A)の肉厚は、隣接した２つの流入側通路(11A)間の仕切壁(12B)および隣接した２つの流出側通路(11B)間の仕切壁(12B)の肉厚よりも厚くなっている。厚肉の仕切壁(12A)の一端部に切り欠き(13)が形成され、冷却液流通体(2)における切り欠き(13)よりも流入側通路(11A)が形成された側が流入部(14)となっているとともに、同じく流出側通路(11B)が形成された側が流出部(15)となっている。流入部(14)および流出部(15)における切り欠き(13)の底よりも開口側の部分を先端部(14a)(15a)というものとする。 As shown in FIGS. 2 to 4, a plurality of passages (11 </ b> A) and (11 </ b> B) extending in the longitudinal direction and open at both ends are provided in the coolant circulation body (2) via the partition walls (12 </ b> A) and (12 </ b> B). Are formed in parallel. Among all the passages (11A) and (11B), a plurality of passages (11A) formed continuously on one side (the right side in FIG. 3 and the left side in FIG. 4) of the coolant circulation body (2) are inflow side passages. In addition, a plurality of remaining passages (11B) formed in a row continuously on the other side of the coolant circulation body (2) (the left side in FIG. 3 and the right side in FIG. 4) serve as outflow side passages. The wall thickness of the partition wall (12A) between the inflow side passage (11A) and the outflow side passage (11B) located in the center in the width direction of the coolant circulation body (2) and adjacent to each other is adjacent. The partition wall (12B) between the two inflow side passages (11A) and the partition wall (12B) between the two adjacent outflow side passages (11B) are thicker. A notch (13) is formed at one end of the thick partition wall (12A), and the side where the inflow passage (11A) is formed from the notch (13) in the coolant circulation body (2) is the inflow portion ( 14), and the side where the outflow side passage (11B) is formed is the outflow portion (15). The portions on the opening side of the bottom of the notch (13) in the inflow portion (14) and the outflow portion (15) are referred to as tip portions (14a) (15a).
入口ヘッダ(3)は長手方向を冷却液流通体(2)の幅方向に向けるとともに幅方向を冷却液流通体(2)の長手方向に向けた扁平な長方形状であり、一方（冷却液流通体(2)側）に開口した空隙部(16)を有している。また、入口ヘッダ(3)の空隙部(16)の開口の周囲に外向きフランジ(17)が一体に設けられている。入口ヘッダ(3)は、冷却液流通体(2)の流入部(14)における切り欠き(13)が形成された側の端面に、空隙部(16)が全流入側通路(11A)に通じるとともに、外向きフランジ(17)の周縁が当該端面の外周縁よりも外側に突出するようにろう付されている。 The inlet header (3) has a flat rectangular shape with the longitudinal direction oriented in the width direction of the coolant circulation body (2) and the width direction in the longitudinal direction of the coolant circulation body (2). It has a gap (16) that is open on the body (2) side. Further, an outward flange (17) is integrally provided around the opening of the gap portion (16) of the inlet header (3). In the inlet header (3), the gap (16) communicates with the entire inflow side passage (11A) at the end surface of the inflow portion (14) of the coolant circulation body (2) where the notch (13) is formed. At the same time, the outer flange (17) is brazed so that the peripheral edge protrudes outward from the outer peripheral edge of the end face.
出口ヘッダ(4)は長手方向を冷却液流通体(2)の幅方向に向けるとともに幅方向を冷却液流通体(2)の長手方向に向けた扁平な長方形状であり、一方（冷却液流通体(2)側）に開口した空隙部(18)を有している。また、出口ヘッダ(4)の空隙部(18)の開口の周囲に外向きフランジ(19)が一体に設けられている。出口ヘッダ(4)は、冷却液流通体(2)の流出部(15)における切り欠き(13)が形成された側の端面に、空隙部(18)が全流出側通路(11B)に通じるとともに、外向きフランジ(19)の周縁が当該端面の外周縁よりも外側に突出するようにろう付されている。 The outlet header (4) has a flat rectangular shape with the longitudinal direction oriented in the width direction of the coolant circulation body (2) and the width direction in the longitudinal direction of the coolant circulation body (2). It has a gap (18) that is open on the body (2) side. An outward flange (19) is integrally provided around the opening of the gap (18) of the outlet header (4). In the outlet header (4), the gap (18) communicates with the entire outlet side passage (11B) on the end surface of the outlet (15) of the coolant circulation body (2) where the notch (13) is formed. At the same time, the outer flange (19) is brazed so that the peripheral edge protrudes outward from the outer peripheral edge of the end face.
入口パイプ(5)の下端寄りの部分には環状ビード(21)が設けられており、入口パイプ(5)の環状ビード(21)よりも下方の部分が、入口ヘッダ(3)の上壁部に形成されて空隙部(16)を外部に通じさせる貫通穴(3a)(図５参照）に挿入された状態で、環状ビード(21)と入口ヘッダ(3)の上壁部外面とがろう付されている。 An annular bead (21) is provided at a portion near the lower end of the inlet pipe (5), and a portion below the annular bead (21) of the inlet pipe (5) is an upper wall portion of the inlet header (3). The annular bead (21) and the outer surface of the upper wall portion of the inlet header (3) are joined in a state of being inserted into a through hole (3a) (see FIG. 5) that is formed in the gap and communicates the gap (16) to the outside. It is attached.
出口パイプ(6)の下端寄りの部分には環状ビード(22)が設けられており、出口パイプ(6)の環状ビード(22)よりも下方の部分が、出口ヘッダ(4)の上壁部に形成されて空隙部(18)を外部に通じさせる貫通穴(22)に挿入された状態で、環状ビード(22)と出口ヘッダ(4)の上壁部外面とがろう付されている。 An annular bead (22) is provided at a portion near the lower end of the outlet pipe (6), and a portion below the annular bead (22) of the outlet pipe (6) is an upper wall portion of the outlet header (4). The annular bead (22) and the outer surface of the upper wall portion of the outlet header (4) are brazed in a state where the annular bead (22) is inserted into a through hole (22) that communicates with the outside.
中間ヘッダ(7)は長手方向を冷却液流通体(2)の幅方向に向けるとともに、幅方向を冷却液流通体(2)の長手方向に向けた扁平な長方形状であり、一方（冷却液流通体(2)側）に開口した空隙部(23)を有している。また、中間ヘッダ(7)の空隙部(23)の開口の周囲に外向きフランジ(24)が一体に設けられている。中間ヘッダ(7)は、冷却液流通体(2)の切り欠き(13)が形成されていない側の端面に、空隙部(23)が全流入側通路(11A)および全流出側通路(11B)に通じるとともに、外向きフランジ(24)の周縁が当該端面の外周縁よりも外側に突出するようにろう付されており、中間ヘッダ(7)の空隙部(23)によって流入側通路(11A)と流出側通路(11B)とが連通させられている。 The intermediate header (7) has a flat rectangular shape with its longitudinal direction facing the width direction of the coolant circulation body (2) and its width direction facing the longitudinal direction of the coolant circulation body (2). It has a gap (23) that is open on the flow body (2) side. An outward flange (24) is integrally provided around the opening of the gap (23) of the intermediate header (7). The intermediate header (7) has a gap (23) on the end surface of the coolant circulation body (2) where the notch (13) is not formed, and the entire inflow side passage (11A) and the entire outflow side passage (11B). ), And the outer flange (24) is brazed so that the peripheral edge protrudes outward from the outer peripheral edge of the end surface, and the inflow side passage (11A) is formed by the gap (23) of the intermediate header (7). ) And the outflow side passage (11B).
そして、冷却液流通体(2)の流入部(14)の先端部(14a)の外周面と入口ヘッダ(3)の外向きフランジ(17)との間、冷却液流通体(2)の流出部(15)の先端部(15a)の外周面と出口ヘッダ(4)の外向きフランジ(19)との間、冷却液流通体(2)全体の外周面と中間ヘッダ(7)の外向きフランジ(24)との間、入口パイプ(5)の環状ビード(21)と入口ヘッダ(3)の上面との間、および出口パイプ(6)の環状ビード(22)と出口ヘッダ(4)の上面との間にそれぞれフィレット(25)が形成されている。 Then, the outflow of the coolant circulation body (2) between the outer peripheral surface of the tip end portion (14a) of the inflow portion (14) of the coolant circulation body (2) and the outward flange (17) of the inlet header (3). Between the outer peripheral surface of the tip (15a) of the section (15) and the outward flange (19) of the outlet header (4), the outer peripheral surface of the entire coolant circulation body (2), and the outward direction of the intermediate header (7) Between the flange (24), between the annular bead (21) of the inlet pipe (5) and the top surface of the inlet header (3), and between the annular bead (22) and outlet header (4) of the outlet pipe (6). Fillets (25) are respectively formed between the upper surface and the upper surface.
上述した液冷式冷却装置(1)においては、入口パイプ(5)から入口ヘッダ(3)の空隙部(16)内に流入した冷却液が、入口ヘッダ(3)の空隙部(16)から流入側通路(11A)、中間ヘッダ(7)の空隙部(23)および流出側通路(11B)を通って出口ヘッダ(4)の空隙部(18)内に至り、出口パイプ(6)に流出するようになされており、冷却液が液冷式冷却装置(1)内を流れる間に、発熱体取付面(8)に載置された組電池(10)のすべての単電池(9)が効率良く冷却される。したがって、すべての単電池(9)間に大きな温度差が生じることはない。 In the liquid cooling type cooling device (1) described above, the coolant flowing into the gap (16) of the inlet header (3) from the inlet pipe (5) flows from the gap (16) of the inlet header (3). Passes through the inflow side passage (11A), the gap portion (23) of the intermediate header (7), and the outflow side passage (11B) into the gap portion (18) of the outlet header (4) and flows out into the outlet pipe (6). While the coolant flows through the liquid cooling type cooling device (1), all the single cells (9) of the assembled battery (10) placed on the heating element mounting surface (8) It is cooled efficiently. Therefore, a large temperature difference does not occur between all the single cells (9).
次に、液冷式冷却装置(1)の製造方法について、図５〜図７を参照して説明する。 Next, a manufacturing method of the liquid cooling type cooling device (1) will be described with reference to FIGS.
冷却液流通体(2)を、切り欠き(13)が形成された側の端面が下方を向くように配置し、冷却液流通体(2)の流入部(14)における切り欠き(13)が形成された側の端面に、入口ヘッダ(3)を、空隙部(16)が全流入側通路(11A)に通じるとともに、外向きフランジ(17)の周縁が流入部(14)の下端面の外周縁よりも外側に突出するように配置する。このとき、リング状に形成した線状ろう材(26)を、流入部(14)の先端部の周囲に嵌め被せておき、入口ヘッダ(3)の外向きフランジ(17)における流入部(14)の下端面の外周縁よりも外側に突出した部分に載せる。また、冷却液流通体(2)の流出部(15)における切り欠き(13)が形成された側の端面に、出口ヘッダ(4)を、空隙部(18)が全流出側通路(11B)に通じるとともに、外向きフランジ(19)の周縁が流出部(15)の下端面の外周縁よりも外側に突出し、かつ貫通穴(4a)が入口ヘッダ(3)の貫通穴(3a)と同方向を向くように配置する。このとき、リング状に形成した線状ろう材(26)を、流出部(15)の先端部の周囲に嵌め被せておき、出口ヘッダ(4)の外向きフランジ(19)における流出部(15)の下端面の外周縁よりも外側に突出した部分に載せる。ついで、入口ヘッダ(3)および出口ヘッダ(4)と冷却液流通体(2)とを高周波誘導加熱ろう付法によりろう付する。 The coolant circulation body (2) is arranged so that the end surface on the side where the notch (13) is formed faces downward, and the notch (13) in the inflow portion (14) of the coolant circulation body (2) The inlet header (3) is connected to the formed end face, the gap (16) leads to the entire inflow side passage (11A), and the peripheral edge of the outward flange (17) is the lower end face of the inflow part (14). It arrange | positions so that it may protrude outside from an outer periphery. At this time, a linear brazing material (26) formed in a ring shape is fitted around the tip of the inflow portion (14), and the inflow portion (14) in the outward flange (17) of the inlet header (3). ) Is placed on the portion protruding outward from the outer peripheral edge of the lower end surface. Further, the outlet header (4) is provided on the end surface of the coolant circulation body (2) where the notch (13) is formed in the outflow portion (15), and the gap portion (18) is provided on the entire outflow side passage (11B). The outer flange (19) has a peripheral edge protruding outward from the outer peripheral edge of the lower end surface of the outflow portion (15), and the through hole (4a) is the same as the through hole (3a) of the inlet header (3). Arrange to face the direction. At this time, a linear brazing material (26) formed in a ring shape is fitted around the tip of the outflow portion (15), and the outflow portion (15) in the outward flange (19) of the outlet header (4). ) Is placed on the portion protruding outward from the outer peripheral edge of the lower end surface. Next, the inlet header (3) and the outlet header (4) and the coolant circulating body (2) are brazed by a high frequency induction heating brazing method.
また、冷却液流通体(2)を、切り欠き(13)が形成されていない側の端面が下方を向くように配置し、冷却液流通体(2)の下側を向いた端面に、中間ヘッダ(7)を、空隙部(23)が全流入側通路(11A)および全流出側通路(11B)に通じるとともに、外向きフランジ(24)の周縁が冷却液流通体(2)の下端面の外周縁よりも外側に突出するように配置する。このとき、リング状に形成した線状ろう材(26)を、冷却液流通体(2)の下端部の周囲に嵌め被せておき、中間ヘッダ(7)の外向きフランジ(24)における冷却液流通体(2)の下端面の外周縁よりも外側に突出した部分に載せる。ついで、中間ヘッダ(7)と冷却液流通体(2)とを高周波誘導加熱ろう付法によりろう付する。 Further, the coolant circulation body (2) is arranged so that the end surface on the side where the notch (13) is not formed faces downward, and the end surface facing the lower side of the coolant circulation body (2) is arranged in the middle. The header (7) is connected to the inflow side passage (11A) and the outflow side passage (11B) through the gap (23), and the peripheral edge of the outward flange (24) is the lower end surface of the coolant circulation body (2). It arrange | positions so that it may protrude outside rather than the outer periphery. At this time, the linear brazing material (26) formed in a ring shape is fitted around the lower end of the coolant circulation body (2), and the coolant in the outward flange (24) of the intermediate header (7). It puts on the part which protruded outside rather than the outer periphery of the lower end surface of a circulation body (2). Next, the intermediate header (7) and the coolant circulation body (2) are brazed by a high frequency induction heating brazing method.
ここで、入口ヘッダ(3)および出口ヘッダ(4)と冷却液流通体(2)とのろう付、ならびに中間ヘッダ(7)と冷却液流通体(2)とのろう付は、いずれを先に行ってもよい。 Here, the brazing between the inlet header (3) and the outlet header (4) and the coolant circulation body (2), and the brazing between the intermediate header (7) and the coolant circulation body (2), whichever comes first. You may go to
ついで、冷却液流通体(2)、入口ヘッダ(3)、出口ヘッダ(4)および中間ヘッダ(7)を、入口ヘッダ(3)および出口ヘッダ(4)の貫通穴(3a)(4a)が上方を向くような姿勢とし、入口パイプ(5)の環状ビード(21)よりも先端側の部分および出口パイプ(6)の環状ビード(22)よりも先端側の部分にリング状に形成した線状ろう材を嵌め被せた状態で、入口パイプ(5)の環状ビード(21)よりも先端側の部分を入口ヘッダ(3)の貫通穴(3a)内に挿入するとともに、出口パイプ(6)の環状ビード(22)よりも先端側の部分を出口ヘッダ(4)の貫通穴(4a)内に挿入する。ついで、入口パイプ(5)と入口ヘッダ(3)、および出口パイプ(6)と出口ヘッダ(4)とをそれぞれ高周波誘導加熱ろう付法によりろう付する。こうして、液冷式冷却装置(1)が製造される。 Next, the coolant circulation body (2), the inlet header (3), the outlet header (4) and the intermediate header (7) are connected to the through holes (3a) and (4a) of the inlet header (3) and the outlet header (4). A line formed in a ring shape on the tip side of the inlet pipe (5) at the tip side from the annular bead (21) and at the tip side of the outlet pipe (6) at the tip side of the annular bead (22). In the state where the brazing filler metal is fitted, the front end portion of the inlet pipe (5) is inserted into the through hole (3a) of the inlet header (3) and the outlet pipe (6). The portion on the tip side of the annular bead (22) is inserted into the through hole (4a) of the outlet header (4). Next, the inlet pipe (5) and the inlet header (3), and the outlet pipe (6) and the outlet header (4) are brazed by a high frequency induction heating brazing method, respectively. Thus, the liquid cooling type cooling device (1) is manufactured.
この発明による液冷式冷却装置は、たとえば複数のＬｉ二次電池の単電池からなる組電池を備えたハイブリッドカーにおいて、単電池の冷却に用いられる。 The liquid cooling type cooling device according to the present invention is used for cooling a single battery in a hybrid car including an assembled battery including a plurality of Li secondary battery single batteries, for example.
(1)：液冷式冷却装置
(2)：冷却液流通体
(3)：入口ヘッダ
(4)：出口ヘッダ
(7)：中間ヘッダ
(8)：発熱体取付面
(11A)：流入側通路
(11B)：流出側通路
(12A)(12B)：仕切壁
(13)：切り欠き
(14)：流入部
(15)：流出部
(16)：空隙部
(17)：外向きフランジ
(18)：空隙部
(19)：外向きフランジ
(23)：空隙部
(24)：外向きフランジ
(1): Liquid cooling type cooling device
(2): Coolant distribution body
(3): Entrance header
(4): Exit header
(7): Intermediate header
(8): Heating element mounting surface
(11A): Inlet side passage
(11B): Outflow passage
(12A) (12B): Partition wall
(13): Notch
(14): Inflow section
(15): Outflow part
(16): Air gap
(17): outward flange
(18): Air gap
(19): outward flange
(23): Air gap
(24): outward flange
Claims (3)
冷却液流通体が質別Ｔ５のJIS Ａ６０００系合金からなるアルミニウム押出形材製であり、冷却液流通体の近接した流入側通路と流出側通路との間の仕切壁の一端部に切り欠きが形成され、冷却液流通体における切り欠きよりも流入側通路が形成された側が流入部となっているとともに、同じく流出側通路が形成された側が流出部となっており、
入口ヘッダ、出口ヘッダおよび中間ヘッダがそれぞれアルミニウムからなり、かつ一方に開口した空隙部と、空隙部の開口の周囲に一体に設けられた外向きフランジとを有し、入口ヘッダが、冷却液流通体の流入部における切り欠きが形成された側の端面に、空隙部が全流入側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付され、出口ヘッダが、冷却液流通体の流出部における切り欠きが形成された側の端面に、空隙部が全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付され、中間ヘッダが、冷却液流通体の切り欠きが形成されていない側の端面に、空隙部が全流入側通路および全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するようにろう付されている液冷式冷却装置。 A flat-plate-shaped cooling fluid circulation body having a plurality of passages that are formed in parallel through the partition walls and open at both ends, and one end in the longitudinal direction of the passage in the cooling fluid circulation body, aligned in the direction in which the passages are arranged Provided with an inlet header and an outlet header provided, and an intermediate header provided at the other end in the longitudinal direction of the passage in the coolant circulation body, and a flat one surface of the coolant circulation body serves as a heating element mounting surface. Among the passages, a plurality of passages formed continuously on one side of the coolant circulation body become inflow side passages, and a plurality of remaining passages formed continuously on the other side of the coolant circulation body. Became the outflow side passage, the inlet header communicated with the inflow side passage, the outlet header communicated with the outflow side passage, the intermediate header communicated with the inflow side passage and the outflow side passage, and both flowed into the inlet header Coolant has entered Inflow-side passage from the header reaches the outlet header through the intermediate header and the outflow side passage, a liquid-cooling type cooling device being adapted to flow out from the outlet header,
The coolant circulation body is made of an extruded aluminum material made of JIS A6000 series alloy of grade T5, and a notch is formed at one end of the partition wall between the inflow side passage and the outflow side passage adjacent to the coolant circulation body. Formed, the side where the inflow side passage is formed rather than the notch in the coolant circulation body is the inflow portion, and the side where the outflow side passage is also formed is the outflow portion,
Each of the inlet header, the outlet header and the intermediate header is made of aluminum and has a gap portion opened in one side and an outward flange integrally provided around the opening of the gap portion. The end of the inflow portion of the body on the side where the notch is formed is brazed so that the gap portion leads to the entire inflow side passage, and the peripheral edge of the outward flange protrudes outside the outer peripheral edge of the end surface, The outlet header is connected to the entire outflow side passage at the end surface where the notch is formed in the outflow portion of the coolant circulation body, and the peripheral edge of the outward flange protrudes outside the outer peripheral edge of the end surface. The intermediate header is connected to the end face on the side where the notch of the coolant circulation body is not formed, and the gap portion leads to the all inflow side passage and all the outflow side passages. Liquid-cooled-type cooling device are brazed to the peripheral edge of di protrudes outward from the outer peripheral edge of the end face.
冷却液流通体を、切り欠きが形成された側の端面が下方を向くように配置すること、冷却液流通体の流入部における切り欠きが形成された側の端面に、入口ヘッダを、空隙部が全流入側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するように配置すること、冷却液流通体の流出部における切り欠きが形成された側の端面に、出口ヘッダを、空隙部が全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するように配置すること、入口ヘッダおよび出口ヘッダの外向きフランジにおける前記端面の外周縁よりも外側に突出した部分に線状のろう材を載せること、ならびに入口ヘッダおよび出口ヘッダと冷却液流通体とを高周波誘導加熱ろう付法によりろう付することからなる工程と、
冷却液流通体を、切り欠きが形成されていない側の端面が下方を向くように配置すること、冷却液流通体の下側を向いた端面に、中間ヘッダを、空隙部が全流入側通路および全流出側通路に通じるとともに、外向きフランジの周縁が当該端面の外周縁よりも外側に突出するように配置すること、中間ヘッダの外向きフランジにおける前記端面の外周縁よりも外側に突出した部分に線状のろう材を載せること、ならびに中間ヘッダと冷却液流通体とを高周波誘導加熱ろう付法によりろう付することからなる工程とを含む液冷式冷却装置の製造方法。
A method for producing the liquid cooling type cooling device according to claim 1,
Disposing the coolant circulation body so that the end surface on the side where the notch is formed faces downward, the inlet header on the end surface on the side where the notch is formed in the inflow portion of the coolant circulation body, and the gap portion Is arranged so that the peripheral edge of the outward flange protrudes outward from the outer peripheral edge of the end face, and the end face on the side where the notch is formed in the outflow part of the coolant circulation body. The outlet header is disposed such that the gap portion leads to the entire outflow side passage and the outer peripheral edge of the outward flange protrudes outward from the outer peripheral edge of the end face. Place a linear brazing material on the part of the end face that protrudes outward from the outer peripheral edge, and braze the inlet and outlet headers and the coolant circulation body by high-frequency induction heating brazing. And a step consisting of,
Arrange the coolant circulation body so that the end surface on the side where the notch is not formed faces downward, the intermediate header on the end surface facing the lower side of the coolant circulation body, and the gap portion in the entire inflow side passage And the outer flange protrudes outward from the outer peripheral edge of the end face in the outward flange of the intermediate header, and is arranged so that the peripheral edge of the outward flange protrudes outward from the outer peripheral edge of the end face. A method for manufacturing a liquid cooling type cooling apparatus, comprising: placing a linear brazing material on a portion; and brazing the intermediate header and a coolant circulation body by a high frequency induction heating brazing method.
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| JP6513427B2 (en) | 2019-05-15 |
| CN105932353A (en) | 2016-09-07 |
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