JPH0298111A - Method for welding terminal section of laminated printed coil - Google Patents
Method for welding terminal section of laminated printed coilInfo
- Publication number
- JPH0298111A JPH0298111A JP25052088A JP25052088A JPH0298111A JP H0298111 A JPH0298111 A JP H0298111A JP 25052088 A JP25052088 A JP 25052088A JP 25052088 A JP25052088 A JP 25052088A JP H0298111 A JPH0298111 A JP H0298111A
- Authority
- JP
- Japan
- Prior art keywords
- lead frame
- coil
- coil terminal
- printed
- terminal sections
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims description 14
- 238000000034 method Methods 0.000 title claims description 11
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- -1 polyethylene terephthalate Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Landscapes
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、積層プリントコイルを直列に結線する場合に
用いる端子部の溶接方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for welding terminal portions used when connecting laminated printed coils in series.
フレームを用いた自動化ライン方式を使用することがあ
る。An automated line method using frames may be used.
ところで、高周波帯域用トランスとしてプリントコイル
を積層したものが実用化されている。このプリントコイ
ルトランスにおいては、−成用（または二次用）プリン
トコイルを直列に結線することがあり、この結線作業に
上記リードフレームを用いた自動化ライン方式を適用で
きれば、製造能率の向上に有利である。By the way, a transformer for high frequency bands in which printed coils are laminated has been put into practical use. In this printed coil transformer, primary (or secondary) printed coils are sometimes connected in series, and if an automated line method using the lead frame described above can be applied to this wiring work, it will be advantageous to improve manufacturing efficiency. It is.
〔解決しようとする課題］
しかしながら、プリントコイル積層体の直列結線すべき
プリント導体端子部は同一平面内に存在していないので
、通常のリードフレームにおける使用態様では、複数個
のプリント導体端子部の一部に過大な応力が作用して、
その一部の端子部の破断を免れ難い。[Problem to be solved] However, since the printed conductor terminal parts of the printed coil laminate that should be connected in series are not located on the same plane, in the normal usage mode of a lead frame, the printed conductor terminal parts of the printed coil laminate are connected in series. Excessive stress is applied to some parts,
It is difficult to avoid breaking some of the terminal parts.
本発明の目的は、プリントコイル積層体の直列結線をリ
ードフレームを用いて良好に行い得る方法を提供するこ
とにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a method that can effectively connect printed coil laminates in series using a lead frame.
本発明に係る積層プリントコイルの端子部溶接方法は、
プリントコイル積層体の上層、複数の中間層並びに下層
からコイル端子部を、上層端子部、中間層端子部、下層
端子部の配列順序にて間隔を隔てて突出させ、この間隔
と同じ間隔で突出部を有するリードフレームの各突出部
と上記の各端子部とを７８接する方法において、リード
フレームを上記積層体高さのほぼ中央に配し、積層体の
高さ中央から上層に至るほど、並びに同中央から下層に
至るほど上記の端７部の突出長さを長くすることを特徴
とする方法である。The terminal welding method of a laminated printed coil according to the present invention includes:
The coil terminal portions are made to protrude from the upper layer, the plurality of intermediate layers, and the lower layer of the printed coil laminate at intervals in the arrangement order of the upper layer terminal portion, the intermediate layer terminal portion, and the lower layer terminal portion, and the coil terminal portions are protruded at the same intervals as the above intervals. In a method in which each protruding part of a lead frame having a portion and each terminal part is in contact with each other by 78, the lead frame is arranged approximately at the center of the height of the laminate, and from the center of the height of the laminate to the upper layer, This method is characterized in that the protruding length of the end 7 portion is made longer from the center to the lower layer.
以下、図面により本発明を説明する。 The present invention will be explained below with reference to the drawings.
第１図人は溶接直前のプリントコイル積層体とリードフ
レームとの配置状態を示す上面図を、第１図Ｂは同上側
面図を、第１図Ｃはその平面展開図をそれぞれ示してい
る。FIG. 1 is a top view showing the arrangement of the printed coil laminate and lead frame immediately before welding, FIG. 1B is a side view of the same, and FIG. 1C is a developed plan view thereof.
第１図人乃至第１図Ｃにおいて、Ａはプリントコイル積
層体であり、プリントコイルＰ ｌ、Ｐ ｚ、・・・に
は両面プリントコイルを用いている。このプリントコイ
ルは、絶縁基材シート（例えばポリエチレンテレフタレ
ートフィルム）の両面に接着剤（例えばエポキシ接着剤
）を介して銅箔を積層した基板の銅箔をエツチングする
ことにより製造できる。In FIGS. 1 to 1C, A is a printed coil laminate, and double-sided printed coils are used for the printed coils P 1 , P z , . . . . This printed coil can be manufactured by etching the copper foil of a substrate in which copper foil is laminated on both sides of an insulating base sheet (eg, polyethylene terephthalate film) via an adhesive (eg, epoxy adhesive).
＋１は積層の最上層のコイル端子部、１２．２１並びに
２２．３１は中間層のコイル端子部、３２は最下層のコ
イル端子部であり、積層体高さの中央から最上層に至る
に従って、また、同中央から最下層に至るに従って、端
子部の突出長さを長くしである。+1 is the coil terminal part of the top layer of the stack, 12.21 and 22.31 are the coil terminal parts of the middle layer, 32 is the coil terminal part of the bottom layer, and from the center of the stack height to the top layer, , the protruding length of the terminal portion is increased from the center to the bottom layer.
この態様は、上記積層体を平面的に展開した第１図Ｃに
も示されており、第１図ＣにおいてＬ〉ｌである。This aspect is also shown in FIG. 1C, which is a planar development of the laminate, and in FIG. 1C, L>l.
上記のコイル端子部の間隔は、第１１１ａＡに示すよう
に等間隔である。The intervals between the coil terminal portions are equal as shown in 111aA.
Ｂは、プリントコイル積層体高さの中央に配したリード
フレーム（銅、ニッケル、鉄合金等）であり、突出部４
．４、・・・を有し、突出部相互間の間隔は、上記コイ
ル端子部の間隔に等しくしてあ本発明により、積層プリ
ントコイルの端子部を）８接するには、上記のようにし
てプリントコイル積層体ＡとリードフレームＢとを配置
し、かかる状態で第２図人または第２図Ｂ（第２図人の
側面図）に示すように、リードフレームＢよりも上側の
コイル端子部１１．１２．２１を、これら各端子部が対
応するリードフレームの各突出部の上面に、他方、リー
ドフレームよりも下側のコイル端子部２２．３１．３２
を、これら各端子部が対応するリードフレームの各突出
部の下面にそれぞれ溶接する。このン容［妾には、電気
？容１妾（スポラトン８接）、超音波？８接、レーザー
溶接、半田溶接等を用いることができる。B is a lead frame (copper, nickel, iron alloy, etc.) placed at the center of the height of the printed coil stack;
．． 4, . Place the printed coil laminate A and the lead frame B, and in this state, as shown in Figure 2 or Figure 2 B (side view of Figure 2), the coil terminal portion above the lead frame B is connected. 11.12.21 on the upper surface of each protrusion of the lead frame to which these terminal parts correspond, and on the other hand, the coil terminal part 22.31.32 below the lead frame.
are welded to the lower surface of each protrusion of the lead frame to which each terminal portion corresponds. Electricity for this concubine? Yong 1 Concubine (Sporaton 8th touch), ultrasound? Eight welding, laser welding, solder welding, etc. can be used.
このようにして溶接された各溶接点から各プリントコイ
ルにおけるコイル端子部のつけ根までの距離は一様では
ないが、その距離に応じ゛ζコイル端子部の突出長さを
設定しであるから、コイル端子部に無理な応力を作用さ
ゼることなく、また、異常のたるみを発生させることな
しに上記の溶接を良好に行い得る。The distance from each welding point welded in this way to the base of the coil terminal in each printed coil is not uniform, but the protruding length of the coil terminal is set according to the distance. The above welding can be performed satisfactorily without applying unreasonable stress to the coil terminal portion and without causing abnormal sagging.
なお、上記溶接後は、第２図人における位置Ｃ１Ｃにて
リードフレームの切断が行われる。Incidentally, after the above-mentioned welding, the lead frame is cut at position C1C in FIG.
上述した通り、本発明によれば、積層プリントコイルを
リードフレームを用いて良好に直列結線でき、その結線
作業の自動ライン化に有用である。As described above, according to the present invention, laminated printed coils can be satisfactorily connected in series using a lead frame, and the wiring work is useful for automatic line formation.
なお、上記の実施例においては、プリントコイルの積層
数を３枚として説明しているが、これは説明の便宜上で
あり、通常、積層数は２〜３０枚である。In the above embodiment, the number of stacked printed coils is described as three, but this is for convenience of explanation, and the number of stacked printed coils is usually 2 to 30.
第１図人は本発明における溶接直ｎｉでのプリントコイ
ル積層体とリードフレームとの配置状態を示す平面図、
第１図Ｂは第１図人の側面図、第１図Ｃは第１図への平
面展開図（ただし、リードフレームは省略）、第２図人
は本発明における溶接後の斜視図、第２図Ｂは第２図へ
の側面図である。
図において、Ａはプリントコイル積層体、ＰＰ、 、Ｐ
、はプリントコイル、１１、】２．２１．２２、３１．
３２はコイル端子部、
Ｂはリードフレーム、
４、
・・・は突出部である。FIG. 1 is a plan view showing the arrangement of the printed coil laminate and lead frame in the welding process according to the present invention;
Figure 1B is a side view of the person in Figure 1, Figure 1C is a developed plan view of Figure 1 (however, the lead frame is omitted), Figure 2 is a perspective view of the person after welding in the present invention, and Figure 1C is a side view of the person in Figure 1. FIG. 2B is a side view of FIG. In the figure, A is a printed coil laminate, PP, , P
, is a printed coil, 11, ]2.21.22, 31.
32 is a coil terminal portion, B is a lead frame, and 4, . . . are protruding portions.
Claims (1)
層からコイル端子部を、上層端子部、中間層端子部、下
層端子部の配列順序にて間隔を隔てて突出させ、この間
隔と同じ間隔の突出部を有するリードフレームの各突出
部と上記の各端子部とを溶接する方法において、リード
フレームを上記積層体高さのほぼ中央に配し、積層体の
高さ中央から上層に至るほど、並びに同中央から下層に
至るほど上記の端子部の突出長さを長くすることを特徴
とする積層プリントコイルの端子部溶接方法。The coil terminal portions are made to protrude from the upper layer, the plurality of intermediate layers, and the lower layer of the printed coil laminate at intervals in the arrangement order of the upper layer terminal portion, the intermediate layer terminal portion, and the lower layer terminal portion, and the protrusions are made at the same intervals as the above intervals. In the method of welding each protruding part of a lead frame having a section and each of the above terminal parts, the lead frame is arranged approximately at the center of the height of the laminate, and from the center of the height of the laminate to the upper layer, A method for welding a terminal portion of a laminated printed coil, characterized in that the protruding length of the terminal portion is increased from the center to the lower layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25052088A JPH0298111A (en) | 1988-10-04 | 1988-10-04 | Method for welding terminal section of laminated printed coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP25052088A JPH0298111A (en) | 1988-10-04 | 1988-10-04 | Method for welding terminal section of laminated printed coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0298111A true JPH0298111A (en) | 1990-04-10 |
Family
ID=17209114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP25052088A Pending JPH0298111A (en) | 1988-10-04 | 1988-10-04 | Method for welding terminal section of laminated printed coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0298111A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2116662A2 (en) | 2008-05-06 | 2009-11-11 | Worthington Armstrong Venture | Suspended ceiling cloud with flexible panel |
-
1988
- 1988-10-04 JP JP25052088A patent/JPH0298111A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2116662A2 (en) | 2008-05-06 | 2009-11-11 | Worthington Armstrong Venture | Suspended ceiling cloud with flexible panel |
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