JPH0334950Y2 - - Google Patents
Info
- Publication number
- JPH0334950Y2 JPH0334950Y2 JP1985033058U JP3305885U JPH0334950Y2 JP H0334950 Y2 JPH0334950 Y2 JP H0334950Y2 JP 1985033058 U JP1985033058 U JP 1985033058U JP 3305885 U JP3305885 U JP 3305885U JP H0334950 Y2 JPH0334950 Y2 JP H0334950Y2
- Authority
- JP
- Japan
- Prior art keywords
- mounting plate
- fin mounting
- fins
- fin
- heat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 229910052751 metal Inorganic materials 0.000 claims description 20
- 239000002184 metal Substances 0.000 claims description 20
- 239000000758 substrate Substances 0.000 claims description 20
- 239000003507 refrigerant Substances 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Cooling Or The Like Of Electrical Apparatus (AREA)
Description
【考案の詳細な説明】
〔産業上の利用分野〕
本考案は電気素子用放熱器に関する。更に、詳
しくは、金属製基板にフイン取付板を立設し、該
フイン取付板に複数のフインを取着してあり、ト
ランジスタ、ダイオード、サイリスタ等の発熱部
品を上記金属製基板に取付け、発熱部品の内部で
発生した熱を放熱する電気素子用放熱器に関する
ものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a heat sink for an electric device. More specifically, a fin mounting plate is provided upright on a metal substrate, a plurality of fins are attached to the fin mounting plate, and heat generating components such as transistors, diodes, and thyristors are attached to the metal substrate to generate heat. The present invention relates to a heat radiator for an electric element that radiates heat generated inside a component.
金属製基板に複数のフインを設け、トランジス
タ等の発熱部品を上記金属製基板に取付けて、発
熱部品から発生した熱を放熱する電気素子用放熱
器としては、従来から種々の構造のものが提供さ
れている。例えば、熱伝導軸に多数枚のフインを
適宜間隔に嵌挿し、ロウ付けしたり、ステーの締
付けによつて上記フインを固定するものが知られ
ている(実開昭53−51951号公報、実開昭58−
196850号公報参照)。
Heat radiators for electric elements that have a plurality of fins on a metal substrate, heat generating components such as transistors are attached to the metal substrate, and radiate heat generated from the heat generating components have been provided in various structures. has been done. For example, it is known that a large number of fins are fitted onto a heat conduction shaft at appropriate intervals and fixed by brazing or by tightening a stay (see Utility Model Application Publication No. 51951/1985). 1978-
(See Publication No. 196850).
しかしながら、上記の従来品は、フイン取付板
にフインを取着する際、フインの間隔位置を決め
るのが容易ではなく、しかも、特別の治具を使用
しなければならないという欠点があつた。また、
熱伝導軸とフインとの接触部分が少なく、放熱効
率も劣るという問題点を有していた。 However, the conventional product described above has the disadvantage that it is not easy to determine the spacing between the fins and a special jig must be used when attaching the fins to the fin mounting plate. Also,
The problem was that the contact area between the heat conduction shaft and the fins was small, and the heat dissipation efficiency was also poor.
本考案は、上述のような従来の欠点を解消した
もので、金属製基板に立設したフイン取付板に膨
出部と切込溝を形成した拡開片とを設けると共
に、、複数のフインにはフイン取付板の断面外周
形状にほぼ合致した切欠孔を設け、それぞれのフ
インをフイン取付板の外周で切込溝の位置に嵌挿
して拡開片を拡開することにより、フイン取付板
とフインとが密着状態に固着されて、放熱効率が
良好であり、共振音も発生することがなく、組立
を簡単に行えるようにした電気素子用放熱器を提
供するものである。
The present invention eliminates the above-mentioned drawbacks of the conventional technology, and includes a fin mounting plate provided upright on a metal substrate with an expanding piece having a bulge and a cut groove. The fin mounting plate has a cutout hole that almost matches the cross-sectional outer circumference shape of the fin mounting plate, and by fitting each fin into the notch position on the outer periphery of the fin mounting plate and expanding the expansion pieces, the fin mounting plate To provide a heat radiator for an electric element in which the fins and the fins are closely fixed, the heat radiation efficiency is good, resonance noise is not generated, and the assembly can be easily performed.
本考案は、発熱部品を取付ける金属製基板にフ
イン取付板を立設し、該フイン取付板に複数のフ
インを設けた電気素子用放熱器であり、上記フイ
ン取付板には膨出部と所定間隔に切込溝を形成し
た拡開片とを長手方向に設けてある。一方、複数
のフインにはフイン取付板の断面外周形状にほぼ
合致した切欠孔を穿設してある。このフインをフ
イン取付板の外周で切込溝の位置に嵌挿し、フイ
ン取付板の拡開片を拡開することによつてフイン
を取着したことを特徴としている。
The present invention is a heat sink for an electric element, in which a fin mounting plate is provided upright on a metal substrate on which a heat-generating component is mounted, and a plurality of fins are provided on the fin mounting plate. Expansion pieces with cut grooves formed at intervals are provided in the longitudinal direction. On the other hand, the plurality of fins are provided with notched holes that substantially match the cross-sectional outer peripheral shape of the fin mounting plate. The fins are fitted into the cut grooves on the outer periphery of the fin mounting plate, and the fins are mounted by expanding the expandable pieces of the fin mounting plate.
本考案の電気素子用放熱器は、金属製基板にフ
イン取付板を立設し、該フイン取付板に複数のフ
インを取着してあり、上記金属基板にトランジス
タ等の発熱部品を取付けて、発熱部品からの熱を
放熱する。上記フイン取付板には、膨出部と切込
溝を形成した拡開片とを設けてあり、該他フイン
取付板の断面外周形状にほぼ合致した切欠孔を穿
設したフインをフイン取付板の外周で切込溝の位
置に嵌挿し、また、フイン取付板の拡開片を拡開
するから、フインとフイン取付板とが充分に接触
するので、熱伝導性が良好となる。また、フイン
とフイン取付板とが嵌合状態となつて接触するの
で、治具を使用しなくてもフインがフイン取付板
よりみだりに抜き出ることがないばかりか、フイ
ンの位置決めが容易である。更に、フイン取付板
の拡開片を拡開すると、該拡開片とフインの切欠
孔とによつて通路が形成され、その内部を冷媒が
通過するようになる。
The heat sink for electric elements of the present invention has a fin mounting plate erected on a metal substrate, a plurality of fins are attached to the fin attachment plate, heat generating parts such as transistors are attached to the metal substrate, Dissipates heat from heat generating parts. The fin mounting plate is provided with a swollen portion and an expanding piece with a cut groove formed therein, and a fin with a cutout hole that almost matches the cross-sectional outer circumferential shape of the fin mounting plate is attached to the fin mounting plate. Since the outer periphery of the fins is fitted into the notched groove and the expanding pieces of the fin mounting plate are expanded, the fins and the fin mounting plate are in sufficient contact, resulting in good thermal conductivity. Further, since the fins and the fin mounting plate are in a fitted state and in contact with each other, the fins are not unnecessarily pulled out from the fin mounting plate without using a jig, and the fins can be easily positioned. Further, when the expansion piece of the fin mounting plate is expanded, a passage is formed by the expansion piece and the notch hole of the fin, and the refrigerant comes to pass through the inside thereof.
次に本考案の実施例を添附の図面において説明
する。
Embodiments of the present invention will now be described with reference to the accompanying drawings.
第1図は分解斜視図、第2図は第1図−線
断面図、第3図は第1図−線断面図、第4図
は別の実施例を示す金属製基板の斜視図である。 FIG. 1 is an exploded perspective view, FIG. 2 is a sectional view taken along the line of FIG. 1, FIG. 3 is a sectional view taken along the line of FIG. 1, and FIG. 4 is a perspective view of a metal substrate showing another embodiment. .
本考案に係る電気素子用放熱器は、第1図乃至
第3図に示す如く、金属製基板1の下面に発熱部
品2が取付けられ、該金属製基板1の上面中央に
は金属製基板1の長手方向に沿つてフイン取付板
3を立設してある。金属製基板1及びフイン取付
板3は、例えば、アルミニウム合金、銅等の熱良
導部材からなり、押出成形により一体に形成され
る。また、このフイン取付板3は複数のフイン4
を取着するためのもので、その長手方向に沿つて
膨出部5と拡開片6が設けられている。膨出部5
は中空円筒状のものを例示してある。拡開片6は
断面略Y字状を呈し、適宜間隔に切込溝7を形成
したのものを例示してあるが、これに限定されな
い。拡開することができ、拡開したときにフイン
4の切欠孔8の一部分に接触するものであれば、
図示していないが、他の断面形状を有する拡開片
であつてもよい。また、切込溝7は取付るフイン
4の間隔に形成してあつて、この位置にフイン4
が嵌挿される。一方、フイン4は、上記金属製基
板1及びフイン取付板3と同様に、アルミニウム
合金、銅等の熱良導部材、或は鉄等からなり、そ
の中央部に上記フイン取付板3の断面外周形状に
ほぼ合致した切欠孔8を穿設してある。このフイ
ン4をフイン取付板3の一端部からその外周に、
しかも、上記切込溝7の位置に嵌挿する。この
際、フイン4の間隔を一定に保持するためのスペ
ーサを必要としない。このようにしてフイン4を
フイン取付板3に嵌挿し、フイン取付板3の拡開
片6を拡開してある。 As shown in FIGS. 1 to 3, the heat sink for electric elements according to the present invention has a heat-generating component 2 attached to the bottom surface of a metal substrate 1, and a metal substrate 1 mounted in the center of the top surface of the metal substrate 1. A fin mounting plate 3 is provided upright along the longitudinal direction. The metal substrate 1 and the fin mounting plate 3 are made of a heat conductive material such as aluminum alloy or copper, and are integrally formed by extrusion molding. Moreover, this fin mounting plate 3 has a plurality of fins 4.
A bulge 5 and an expansion piece 6 are provided along the longitudinal direction of the holder. Swelling part 5
exemplifies a hollow cylindrical shape. Although the expanding piece 6 is shown as having a substantially Y-shaped cross section and having cut grooves 7 formed at appropriate intervals, the present invention is not limited thereto. If it can be expanded and comes into contact with a part of the notch hole 8 of the fin 4 when expanded,
Although not shown, the expansion pieces may have other cross-sectional shapes. Further, the cut grooves 7 are formed at intervals between the fins 4 to be attached, and the fins 4 are located at this position.
is inserted. On the other hand, like the metal substrate 1 and the fin mounting plate 3, the fin 4 is made of a thermally conductive material such as aluminum alloy or copper, or iron, and has a cross-sectional outer circumference of the fin mounting plate 3 in its center. A cutout hole 8 that almost matches the shape is bored. This fin 4 is placed from one end of the fin mounting plate 3 to its outer periphery.
Moreover, it is inserted into the position of the cut groove 7. At this time, there is no need for a spacer to keep the distance between the fins 4 constant. In this way, the fins 4 are fitted into the fin mounting plate 3, and the expansion pieces 6 of the fin mounting plate 3 are expanded.
なお、フイン4を一層強固に取着するにはロウ
付、溶着、その他いずれの手段を用いてもよい。
また、フイン取付板3の拡開片6を拡開するに
は、拡開片6を外側に折り曲げるようにすればよ
い。 Incidentally, in order to more firmly attach the fins 4, brazing, welding, or any other means may be used.
Furthermore, in order to expand the expansion piece 6 of the fin attachment plate 3, the expansion piece 6 may be bent outward.
第4図は別の実施例で、フイン取付板3に中空
菱形の膨出部5と、その上縁部に断面Y字状の拡
開片6とを設けたものを示してある。しかし、本
考案は上述のものに限定されない。例えば、フイ
ン取付板に膨出部と拡開片とが設けてあり、フイ
ンにはフイン取付板の断面外周形状にほぼ合致し
た切欠孔を穿設してあれば、それらの形状や大き
さ等は問わない。 FIG. 4 shows another embodiment in which the fin mounting plate 3 is provided with a hollow diamond-shaped bulge 5 and an expanding piece 6 with a Y-shaped cross section on the upper edge thereof. However, the present invention is not limited to the above. For example, if the fin mounting plate is provided with a bulge and an expanding piece, and the fin is provided with a cutout hole that approximately matches the cross-sectional outer circumference shape of the fin mounting plate, the shapes and sizes of the fins, etc. I don't care.
上述のような本考案は、金属製基板1にトラン
ジスタ等の発熱部品2を取付ける。この発熱部品
2から発生する熱は金属製基板1、フイン取付板
3、フイン4に順次伝達されて放熱する。金属製
基板1に立設してあるフイン取付板3と該フイン
取付板3に嵌挿してあるフイン4とは充分に接触
して熱伝導性がよいし、フイン4がフイン取付板
3から離脱せず、それらの位置決めし易く、フイ
ン4の取着が容易である。また、フイン取付板3
の拡開片6内及びフイン4の切欠孔8内を冷媒が
通過する。 In the present invention as described above, a heat generating component 2 such as a transistor is attached to a metal substrate 1. The heat generated from the heat generating component 2 is sequentially transmitted to the metal substrate 1, the fin mounting plate 3, and the fin 4, and is radiated. The fin mounting plate 3 erected on the metal substrate 1 and the fins 4 fitted into the fin mounting plate 3 are in sufficient contact and have good thermal conductivity, and the fins 4 are detached from the fin mounting plate 3. The fins 4 can be easily positioned and attached without having to do so. In addition, the fin mounting plate 3
The refrigerant passes through the expansion piece 6 and the notch hole 8 of the fin 4.
以上のように本考案によれば、フイン取付板と
フインとが充分に接触し密着状態になつて熱伝導
性が良く、しかも、冷媒がフイン取付板の拡開片
内及びフインの切欠孔内を通過するから、放熱効
率が極めて良好な電気素子用放熱器である。ま
た、フインとフイン取付板とが嵌合状態となつて
接触するので、治具を使用しなくてもフインがフ
イン取付板よりみだりに抜き出ず、フインの位置
決めも容易であるから、衝撃等があつてもフイン
がフイン取付板から離脱することもなく、上記密
着状態を保持し得ると共に、組立が簡単であり、
共振音も発生しない電気素子用放熱器である。
As described above, according to the present invention, the fin mounting plate and the fins are in sufficient contact and in close contact, resulting in good thermal conductivity, and furthermore, the refrigerant is allowed to flow into the expansion piece of the fin mounting plate and the notch hole of the fin. It is a heat radiator for electric elements that has extremely good heat radiation efficiency. Furthermore, since the fins and the fin mounting plate are in a fitted state and in contact with each other, the fins will not be pulled out from the fin mounting plate without using a jig, and positioning of the fins will be easy, so impact, etc. Even if the fins do not come off from the fin mounting plate, the above-mentioned close contact state can be maintained, and assembly is easy.
This is a heatsink for electric elements that does not generate resonance noise.
図面は本考案に係る電気素子用放熱器の実施例
を示し、第1図は分解斜視図、第2図は第1図
−線断面図、第3図は第1図−線断面図、
第4図は別の実施例を示す金属製基板の斜視図で
ある。
図中、1は金属製基板、2は発熱部品、3はフ
イン取付板、4はフイン、5は膨出部、6は拡開
片、7は切込溝、8は切欠孔を示す。
The drawings show an embodiment of the heat sink for electric elements according to the present invention, in which FIG. 1 is an exploded perspective view, FIG. 2 is a sectional view taken along the line of FIG. 1, and FIG. 3 is a sectional view taken along the line of FIG. 1.
FIG. 4 is a perspective view of a metal substrate showing another embodiment. In the figure, 1 is a metal substrate, 2 is a heat generating component, 3 is a fin mounting plate, 4 is a fin, 5 is a bulge, 6 is an expansion piece, 7 is a cut groove, and 8 is a notch hole.
Claims (1)
を立設し、該フイン取付板に複数のフインを設け
た電気素子用放熱器において、上記フイン取付板
には膨出部と所定間隔に切込溝を形成した拡開片
とを長手方向に沿い設け、複数のフインにはフイ
ン取付板の断面外周形状にほぼ合致した切欠孔を
設け、該フインをフイン取付板の外周で切込溝の
位置に嵌挿すると共に、上記フイン取付板の拡開
片を拡開してなる電気素子用放熱器。 In a heat sink for an electric element, in which a fin mounting plate is provided upright on a metal substrate on which a heat generating component is mounted, and a plurality of fins are provided on the fin mounting plate, the fin mounting plate has a bulge and cut grooves at predetermined intervals. The plurality of fins are provided with notched holes that approximately match the cross-sectional outer circumference shape of the fin mounting plate, and the fins are positioned at the cut grooves on the outer periphery of the fin mounting plate. A heat radiator for an electric element, which is formed by fitting the fin mounting plate and expanding the expansion pieces of the fin mounting plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985033058U JPH0334950Y2 (en) | 1985-03-08 | 1985-03-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1985033058U JPH0334950Y2 (en) | 1985-03-08 | 1985-03-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61151394U JPS61151394U (en) | 1986-09-18 |
JPH0334950Y2 true JPH0334950Y2 (en) | 1991-07-24 |
Family
ID=30535149
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1985033058U Expired JPH0334950Y2 (en) | 1985-03-08 | 1985-03-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0334950Y2 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130000872A1 (en) * | 2011-06-29 | 2013-01-03 | Chun-Hung Lin | Fin Heat Sink with Improved Structure and Processing Method Thereof |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5639279Y2 (en) * | 1976-10-07 | 1981-09-12 | ||
JPS57203557U (en) * | 1981-02-18 | 1982-12-24 | ||
JPS58196850U (en) * | 1982-06-25 | 1983-12-27 | 株式会社中村自工 | radiator |
-
1985
- 1985-03-08 JP JP1985033058U patent/JPH0334950Y2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS61151394U (en) | 1986-09-18 |
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