JPWO2015194259A1 - 冷却器及び冷却器の固定方法 - Google Patents
冷却器及び冷却器の固定方法 Download PDFInfo
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- JPWO2015194259A1 JPWO2015194259A1 JP2016529144A JP2016529144A JPWO2015194259A1 JP WO2015194259 A1 JPWO2015194259 A1 JP WO2015194259A1 JP 2016529144 A JP2016529144 A JP 2016529144A JP 2016529144 A JP2016529144 A JP 2016529144A JP WO2015194259 A1 JPWO2015194259 A1 JP WO2015194259A1
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- 239000002826 coolant Substances 0.000 claims description 3
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- 229910052782 aluminium Inorganic materials 0.000 description 2
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- 238000005219 brazing Methods 0.000 description 2
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- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
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- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
Description
2:素子ペア
3:ハーフブリッジ
10:半導体モジュール
11: 半導体素子
11a:半導体素子(トランジスタ)
11b: 半導体素子(ダイオード)
12:基板
12a:絶縁基板
12b、12c:導体層
13:制御用集積回路
14:受動素子
15、16:半田層
17:ベース板
20、20a、20b、20c、20d、20e:冷却器
21:壁部
21a:第1壁部
21b:第2壁部
21c:側壁部
22:冷却フィン
23:冷媒導入口
24:冷媒排出口
25a:冷媒導入流路
25b:冷却流路
25c:冷媒排出流路
26:第1貫通孔
27、32:接続領域
28:第2貫通孔
29:ガイド壁
30:基体
31:固定用孔
40:固定部材
41、51:シール部材
50:蓋
60:接続手段
Claims (13)
- 基体に固定され半導体モジュールを冷却する冷却器において、
第1貫通孔を持った第1壁部、前記第1壁部と対向配置され前記第1貫通孔と対向する位置に前記基体と接続される接続領域を備える第2壁部、及び、前記第1壁部の周囲と前記第2壁部の周囲とを接続する側壁部で囲まれる冷媒流路を備えた冷却器本体と、
前記第1貫通孔を塞ぐ蓋と、
を備えることを特徴とする冷却器。 - 前記第2壁部の前記接続領域には、第2貫通孔が設けられ、
前記第1貫通孔を通過可能な大きさであって、前記第2貫通孔に挿入されて前記冷却器本体を前記基体に固定する、固定部材を備える請求項1記載の冷却器。 - 前記第2貫通孔の前記冷媒流路側の内径は、前記第2貫通孔の前記基体側の内径よりも広い請求項2に記載の冷却器。
- 前記固定部材が、頭部とネジ部からなるネジであり、
前記第2貫通孔の前記冷媒流路側は、前記ネジの前記頭部が収容されるように溝が設けられ、前記頭部が前記冷媒流路に突出しないように配置されている請求項3に記載の冷却器。 - 前記第2貫通孔と前記固定部材との間にシール部材を備える請求項2〜4のいずれか1項に記載の冷却器。
- 前記第2壁部の前記接続領域には、肉厚が他の領域の肉厚よりも薄くなっている壁部が設けられている請求項1に記載の冷却器。
- 前記第1壁部の冷媒流路側には、前記第1貫通孔を閉塞しないように、複数のフィンが接続されている請求項1に記載の冷却器。
- 前記蓋は、前記第1壁部から着脱自在に形成されている請求項1に記載の冷却器。
- 前記蓋は、前記冷媒流路に突出しないように設置されている請求項1に記載の冷却器。
- 前記半導体モジュールが前記第1壁部の外側に固定され、
前記第1壁部の厚さは、前記第2壁部の厚さより薄い請求項1に記載の冷却器。 - 基体に半導体モジュールを冷却する冷却器を固定する固定方法において、
第1貫通孔を持った第1壁部、前記第1壁部と対向配置され前記第1貫通孔と対向する位置に前記基体と接続される接続領域を備える第2壁部、及び、前記第1壁部の周囲と前記第2壁部の周囲とを接続する側壁部で囲まれる冷媒流路を備えた冷却器本体と、前記第1貫通孔を塞ぐ蓋とを備える冷却器を用意する第1の工程と、
前記第2壁部の外側を前記基体に位置決めして接触させる第2の工程と、
前記第1貫通孔を通して接続手段を挿入して、前記接続領域を前記基体に固定する第3の工程と、
前記第1貫通孔を前記蓋で塞ぐ第4の工程とを含むことを特徴とする、冷却器の固定方法。 - 前記第1の工程において、前記冷却器として、前記第2壁部の前記接続領域に第2貫通孔を有するものを用い、
前記第3の工程において、前記接続手段として、前記第1貫通孔を通過可能な大きさであって前記第2貫通孔に挿入されて前記冷却器本体を前記基体に固定する固定部材を用い、前記基体の前記接続領域が接する部分には、固定用孔を設け、前記第1貫通孔を通して前記固定部材を前記冷却器内に挿入し、更に前記冷却器の内側から前記第2貫通孔に挿入して、前記基体の固定用孔に固定する請求項11記載の冷却器の固定方法。 - 前記第3の工程において、前記接続手段として溶接工具を用い、前記第1貫通孔を通して前記溶接工具を前記冷却器内に挿入し、前記接続領域を前記基体に溶接して固定する請求項11記載の冷却器の固定方法。
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