JPH02285614A - Structure of core in electric part such as transformer, choke coil - Google Patents
Structure of core in electric part such as transformer, choke coilInfo
- Publication number
- JPH02285614A JPH02285614A JP10826289A JP10826289A JPH02285614A JP H02285614 A JPH02285614 A JP H02285614A JP 10826289 A JP10826289 A JP 10826289A JP 10826289 A JP10826289 A JP 10826289A JP H02285614 A JPH02285614 A JP H02285614A
- Authority
- JP
- Japan
- Prior art keywords
- core
- coil
- transformer
- resin
- choke coil
- 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
- 239000011347 resin Substances 0.000 claims abstract description 35
- 229920005989 resin Polymers 0.000 claims abstract description 35
- 230000004888 barrier function Effects 0.000 claims description 7
- 239000000945 filler Substances 0.000 abstract description 2
- 239000011162 core material Substances 0.000 description 40
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はトランス、チョーク・コイル等の電気部品にお
ける樹脂充填用のコアの構造に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the structure of a core for resin filling in electrical components such as transformers and choke coils.
［従来の技術］
トランス、チョーク・コイル等の電気部品に樹脂充填す
る場合、第１３図に示すように金型３１を組合わせて、
その中にトランス等の電気部品３０を納め、しかる後樹
脂充填を施して、樹脂硬化後金型を取外して樹脂充填を
行っていた。[Prior Art] When filling electrical components such as transformers and choke coils with resin, molds 31 are assembled as shown in FIG.
Electrical parts 30 such as a transformer are placed in the mold, and then resin is filled, and after the resin hardens, the mold is removed and the resin is filled.
又第１４図に示すように収納用の器であるケース３２の
中に、トランス等の電気部品３０を納置し、しかる後こ
のケース３２内に樹脂充填し、樹脂硬化後、ケース３２
を取外さないでそのままケース付で使用していた。Further, as shown in FIG. 14, electrical components 30 such as a transformer are placed in a case 32 which is a storage container, and then resin is filled into the case 32, and after the resin hardens, the case 32 is
I was using it with the case on without removing it.
［発明が解決しようとする課題］
トランス、チョーク・コイル等の電気部品の放熱性、絶
縁性、耐熱性、耐湿性、耐塵性、耐振動性、耐衝撃性等
を図るために、コイル相互間、コイルとコア間に樹脂充
填することが一般に行われている。[Problem to be solved by the invention] In order to improve the heat dissipation, insulation, heat resistance, moisture resistance, dust resistance, vibration resistance, impact resistance, etc. of electrical components such as transformers and choke coils, it is necessary to Generally, resin is filled between the coil and the core.
この場合、従来のように金型３１を利用した場合、金型
作製に多額な費用を要するばかりでなく、金型の取付け
、取外し、その清掃等にかなりの手間がかかり、生産コ
ストが高くなり、量産対応には極めて不向きであった。In this case, when the mold 31 is used as in the past, not only does it cost a lot of money to make the mold, but it also takes a lot of effort to install, remove, and clean the mold, which increases production costs. , which was extremely unsuitable for mass production.
又従来のケース３２を利用した場合、ケース製造に際し
て、莫大な金型作製費用がかかるため、少量生産に不向
きであるばかりでなく、ケース化が余計にかかり、しか
もケースの肉厚分だけトランス等の電気部品の外形寸法
が大きくなり、小型のトランス等の電気部品が得られな
い問題点が存した。Furthermore, when the conventional case 32 is used, it costs a huge amount of money to make a mold when manufacturing the case, so it is not only unsuitable for small-scale production, but also requires an extra amount of time to make the case, and the thickness of the case requires transformers, etc. There was a problem that the external dimensions of the electrical components became large, making it impossible to obtain electrical components such as small transformers.
このため、金型、ケース等の樹脂充填用器具を一切使用
することなく、トランス、チョーク・コイル等の電気部
品をそのままの状態で簡便かつ確実に樹脂充填すること
のできるコアの構造の開発が強く望まれていた。For this reason, it was necessary to develop a core structure that allows electrical components such as transformers, choke coils, etc. to be simply and reliably filled with resin without using any resin filling equipment such as molds or cases. It was strongly desired.
［発明の概要］
本発明は上記要請に応えるためになされたものであり、
トランス、チョーク番コイル等の電気部品におけるコア
を箱型に形成し、この箱型コアの側面上端を内蔵するコ
イルの上面よりも上方に位置するように形成してコア自
体を金型、ケース等の樹脂充填用器具として利用し、ト
ランス等の電気部品をそのままの状態で樹脂充填するこ
とのできるコアの構造を得ることを目的とする。[Summary of the invention] The present invention has been made in order to meet the above requirements,
The core of electrical components such as transformers and choke coils is formed into a box shape, and the upper end of the side surface of this box-shaped core is positioned above the upper surface of the built-in coil, so that the core itself can be used as a mold, case, etc. The purpose of this invention is to obtain a core structure that can be used as a resin filling tool for filling electric components such as transformers with resin as they are.
［課題を解決するための手段］
本発明は上記課題を解決するためになされたものであり
、以下に述べる手段を採用する。[Means for Solving the Problems] The present invention has been made to solve the above problems, and employs the means described below.
トランス、チョーク舎コイル等におけるコア１を箱型に
形成し、この箱型に形成したコアｌの側面９．１０．１
１．１２の上端７を内蔵するコイル３の上面４よりも上
方に位置するように形成したことを特徴とする。The core 1 in a transformer, choke coil, etc. is formed into a box shape, and the side surface of the core 1 formed into the box shape 9.10.1
1.12 is characterized in that the upper end 7 is formed to be located above the upper surface 4 of the built-in coil 3.
［作用］
本発明は上記のように構成したことにより、樹脂充填に
際しては、単にコア１の上方開口部６等から樹脂を充填
するだけでよく、金型、ケース等の樹脂充填用器具は一
切不要である。[Function] With the present invention configured as described above, when filling the resin, it is sufficient to simply fill the resin from the upper opening 6 etc. of the core 1, and no resin filling equipment such as a mold or a case is required. Not necessary.
すなわち、箱型コアｌの４つの側面９．１Ｏ２１１，１
２の上端７は、内蔵するコイル３の上面４よりも上方に
位置するように構成されているため、充填される樹脂は
コア１外に漏出することなく簡便かつ確実にコイル３相
互間、コイル３とコア１間に充填することができる。That is, the four sides 9.1O211,1 of the box-shaped core l
Since the upper end 7 of 2 is configured to be located above the upper surface 4 of the built-in coil 3, the resin to be filled can be easily and reliably distributed between the coils 3 and between the coils 3 without leaking out of the core 1. 3 and core 1.
［実施例］
本発明の実施の１例を図面にもとづいて以下詳細に説明
する。[Example] An example of implementing the present invention will be described in detail below based on the drawings.
第１図〜第３図において、コアｌは箱型に形成され、こ
のコア１内にはコア１と一体のコア中足２を介してコイ
ル３が装着されている０箱型コア１の４つの側面９．１
０．１１．１２の上端７はコイル３の上面４よりも上方
に位置するように形成されている。In FIGS. 1 to 3, the core l is formed into a box shape, and a coil 3 is attached to the inside of the core 1 via a core middle leg 2 that is integral with the core 1. Two aspects 9.1
The upper end 7 of 0.11.12 is formed to be located above the upper surface 4 of the coil 3.
すなわち、コア１の４つの側面９．１０．１１．１２及
び底面５でコイル３の上面４を除く５面を被覆している
。That is, the four side surfaces 9, 10, 11, 12 and the bottom surface 5 of the core 1 cover five surfaces of the coil 3 except for the top surface 4.
コアｌの４つの側面９．１０．１１．１２の上端７はコ
イル３の上面４よりも若干上方に位置するように形成さ
れることが望ましく、このように形成されることにより
、コア１の開口部６から充填された樹脂等の充填物１３
は外部に漏出することなく、コイル３相互間及びコイル
３とコア１との間に確実に充填される。It is desirable that the upper ends 7 of the four sides 9, 10, 11, and 12 of the core l are formed to be located slightly above the upper surface 4 of the coil 3. Filler 13 such as resin filled from opening 6
is reliably filled between the coils 3 and between the coil 3 and the core 1 without leaking to the outside.
次に第４図及び第５図に示すものは、本発明の他の実施
例を示すものであり、箱型コア１の４つの側面９．１０
．１１．１２の上端７に、枠状バリヤー８を取外し自在
に取付けたものである。Next, what is shown in FIGS. 4 and 5 shows another embodiment of the present invention, in which four sides 9.10 of the box-shaped core 1 are shown.
．． A frame-shaped barrier 8 is removably attached to the upper end 7 of 11.12.
このバリヤー８は、絶縁材料又はコア材等を枠状に形成
してなるものであり、樹脂充填時にコア１の上端部に取
付け、樹脂硬化後コアｌから取外す。This barrier 8 is made of an insulating material or a core material formed into a frame shape, and is attached to the upper end of the core 1 during resin filling, and is removed from the core 1 after the resin hardens.
このバリヤー８を着脱自在としたことにより、コアｌの
４つの側面９．１０．１１．１２の上端７の高さをコイ
ル３の上面４よりも下方に位置させることができ、コア
材の節減を図ることができるばかりでなく、コイル３部
分が外部に露出したトランス等の電気部品を得ようとす
る場合に便利である。By making this barrier 8 detachable, the height of the upper end 7 of the four sides 9, 10, 11, and 12 of the core l can be positioned lower than the upper surface 4 of the coil 3, which saves core material. Not only can this be achieved, but it is also convenient when attempting to obtain an electrical component such as a transformer in which the coil 3 portion is exposed to the outside.
このバリヤー８は使用後、次の電気部品の樹脂充填時に
何度でも繰返して使用することができ経済的である。After this barrier 8 has been used, it can be used repeatedly when filling the next electrical component with resin, which is economical.
第６図及び第７図に示すものは、箱型コアｌを縦方向に
２分割し、又はコアｌの一側面を分離し、コア本体１４
と側面体１５とを組合せ自在とした実施例であり、この
実施例においても本発明のコアの構造はそのまま応用す
ることができる。In the case shown in FIGS. 6 and 7, the box-shaped core l is vertically divided into two parts, or one side of the core l is separated, and the core body 14 is separated.
This is an embodiment in which the side body 15 and the side body 15 can be freely combined, and the core structure of the present invention can be applied as is to this embodiment as well.
第８図及び第９図に示すものは、コアｌの開口部６に蓋
体１６を設けると共に開口部６と反対側の面に樹脂充填
孔１７を設けたものであり、この実施例においても、樹
脂充填は円滑かつ確実に行うことができるばかりでなく
、コイル３を被覆した密閉型のトランス等の電気部品を
得ることができる。In the case shown in FIGS. 8 and 9, a cover 16 is provided at the opening 6 of the core l, and a resin filling hole 17 is provided on the surface opposite to the opening 6. Not only can resin filling be carried out smoothly and reliably, but also an electrical component such as a sealed transformer with the coil 3 covered can be obtained.
第１０図〜第１２図に示すものは、本発明の他の実施例
であり、コア１の側面９．１０．１１．１２の上面７に
鉤状部１８を形成し、この鉤状部１８をコアｌの内方に
臨ませて、開口部６の面積を狭くしたものである。10 to 12 are other embodiments of the present invention, in which a hook-shaped portion 18 is formed on the upper surface 7 of the side surface 9.10.11.12 of the core 1. The area of the opening 6 is narrowed by facing the inside of the core l.
この実施例によれば、樹脂充填を急激に行った場合であ
っても、樹脂が外部に飛び散るおそれはなく、充填作業
を能率的に行うことができる。と同時に開口部６の面積
を狭くしたコアｌ又はコイル３の上面四隅を被覆したト
ランス等の電気部品を得ることができる。According to this embodiment, even if resin filling is performed rapidly, there is no fear that the resin will scatter to the outside, and the filling work can be performed efficiently. At the same time, it is possible to obtain an electrical component such as a transformer in which the four corners of the upper surface of the core l or the coil 3 are covered with a narrower area of the opening 6.
［発明の効果］
本発明は上記のように構成したことにより、トランス等
の電気部品の樹脂充填時に、従来のように金型、ケース
等の充填用器具を一切使用することなく、電気部品をそ
のままの形態で即座に樹脂充填することができるもので
ある。[Effects of the Invention] By having the above configuration, the present invention can fill electrical parts such as transformers with resin without using any filling equipment such as molds or cases as in the past. It can be immediately filled with resin in its original form.
この結果、充填作業が簡単かつ容易となるばかりでなく
、確実かつ能率的に行うことができ、しかも、低コスト
の製品を多量に得ることができるものである。As a result, the filling operation is not only simple and easy, but also reliable and efficient, and a large amount of low-cost products can be obtained.
又バリヤーを着脱自在としたことにより、コアコア材の
節減を図ることができるばかりでなく、コイル部分が外
部に露出したトランス等の電気部品を容易に得ることが
できる。Furthermore, by making the barrier removable, it is possible not only to save on the core material, but also to easily obtain electrical components such as transformers in which the coil portion is exposed to the outside.
更にコアの開口部に蓋体を設けると共に樹脂充填孔を設
けることにより、樹脂充填は円滑かつ確実に行うことが
できるばかりでなく、コイルを被覆した密閉型のトラン
ス等の電気部品を得ることができる。Furthermore, by providing a cover over the opening of the core and providing a resin filling hole, not only can resin filling be performed smoothly and reliably, but also it is possible to obtain electrical components such as sealed transformers with coils covered. can.
更に又コアの側面に鉤状部を形成することにより、樹脂
充填を急激に行った場合であっても、樹脂が外部に飛び
散るおそれはなく、充填作業を能率的に行うことができ
る。と同時に開口部の面積を狭くしたコア又はコイルの
上面四隅を被覆したトランス等の電気部品を得ることが
できる。Furthermore, by forming a hook-shaped portion on the side surface of the core, even if the resin is filled rapidly, there is no fear that the resin will scatter to the outside, and the filling operation can be carried out efficiently. At the same time, it is possible to obtain an electrical component such as a transformer in which the four corners of the upper surface of the core or coil are coated with a narrow opening area.
図面は本発明実施の一例を示すものであり、第１図は本
発明の斜面図、第２図及び第３図は同上の縦断面図、第
４図は本発明の他の実施例の斜面図、第５図は同上の縦
断面図、第６図及び第７図は本発明の他の実施例を示す
斜面図、第８図は本発明の他の実施例を示す斜面図、第
９図は同上の縦断面図、第１０図、第１１図及び第１２
図は本発明の他の実施例を示す縦断面図、第１３図及び
第１４図は従来技術を示す斜面図である。
ｌ・・・・・・コア、３・・・・・・コイル、４・・・
・・・上面６・・・・・・開口部、７・・・・・・上端
、８・・・・・・へリヤー９．１０．１１．１２・・・
・・・側面１４・・・・・・コア本体、１５・・・・・
・側面体１６・・・・・・蓋体、１７・・・・・・樹脂
充填孔１８・・・・・・鉤状部The drawings show an example of carrying out the present invention, and FIG. 1 is a perspective view of the present invention, FIGS. 2 and 3 are longitudinal cross-sectional views of the same, and FIG. 4 is a perspective view of another embodiment of the present invention. 5 is a vertical sectional view of the same as above, FIGS. 6 and 7 are perspective views showing other embodiments of the present invention, FIG. 8 is a perspective view showing other embodiments of the present invention, and FIG. The figures are longitudinal sectional views of the same as above, Figures 10, 11 and 12.
The figure is a vertical sectional view showing another embodiment of the present invention, and FIGS. 13 and 14 are perspective views showing the prior art. l... Core, 3... Coil, 4...
...Top surface 6...Opening, 7...Top end, 8...Rear 9.10.11.12...
... Side surface 14 ... Core body, 15 ...
・Side body 16...Lid body, 17...Resin filling hole 18...Hook-shaped part
Claims (6)
アを箱型に形成し、この箱型に形成したコア（１）の側
面（９）、（１０）、（１１）、（１２）の上端（７）
を内蔵するコイル（３）の上面（４）よりも上方に位置
するように形成したことを特徴とするトランス、チョー
ク・コイル等におけるコアの構造。(1) In transformers, choke coils, etc. (1) The core is formed into a box shape, and the upper ends of the sides (9), (10), (11), and (12) of the box-shaped core (1) (7)
A structure of a core in a transformer, choke coil, etc., characterized in that it is formed so as to be located above the upper surface (4) of a coil (3) containing a built-in coil.
（１２）の上端（７）に枠状バリヤー（８）を取外し自
在に取付け、このバリヤー（８）の側面上端を内蔵する
コイル（３）の上面（４）よりも上方に位置するように
形成したことを特徴とする請求項１記載のトランス、チ
ョーク・コイル等におけるコアの構造。(2) Side surfaces (9), (10), (11) of core (1),
A frame-shaped barrier (8) is removably attached to the upper end (7) of (12), and the upper end of the side surface of this barrier (8) is formed to be located above the upper surface (4) of the coil (3) containing it. The core structure of a transformer, choke coil, etc. according to claim 1, characterized in that:
自在としたことを特徴とする請求項１又は２記載のトラ
ンス、チョーク・コイル等におけるコアの構造。(3) The structure of a core in a transformer, choke coil, etc. according to claim 1 or 2, characterized in that the core (1) is divided into two parts in the vertical direction and can be freely combined.
と側面体（１５）とを組合わせ自在としたことを特徴と
する請求項１又は２記載のトランス、チョーク・コイル
等におけるコアの構造。(4) Separate one side of the core (1) and separate the core body (14)
3. The structure of a core in a transformer, choke coil, etc. according to claim 1 or 2, characterized in that the core and the side body (15) can be freely combined.
ると共に開口部（６）と反対側の面に樹脂充填孔（１７
）を設けたことを特徴とする請求項１、３又は４記載の
トランス、チョーク・コイル等におけるコアの構造。(5) A lid (16) is provided on the opening (6) of the core (1), and a resin filling hole (17) is provided on the surface opposite to the opening (6).
) The structure of a core in a transformer, choke coil, etc. according to claim 1, 3 or 4, characterized in that it is provided with:
（１２）の上端（７）に鉤状部（１８）を形成し、該鉤
状部（１８）をコア（１）の内方に臨ませたことを特徴
とする請求項１、３又は４記載のトランス、チョーク・
コイル等におけるコアの構造。(6) Side surfaces (9), (10), (11) of core (1),
Claim 1, 3 or 4, characterized in that a hook-shaped portion (18) is formed at the upper end (7) of the (12), and the hook-shaped portion (18) faces inward of the core (1). The listed transformer, choke
Core structure in coils, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10826289A JPH02285614A (en) | 1989-04-27 | 1989-04-27 | Structure of core in electric part such as transformer, choke coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10826289A JPH02285614A (en) | 1989-04-27 | 1989-04-27 | Structure of core in electric part such as transformer, choke coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02285614A true JPH02285614A (en) | 1990-11-22 |
Family
ID=14480195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10826289A Pending JPH02285614A (en) | 1989-04-27 | 1989-04-27 | Structure of core in electric part such as transformer, choke coil |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02285614A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005136341A (en) * | 2003-10-31 | 2005-05-26 | Yonezawa Densen Kk | Choke coil |
| US7362201B2 (en) | 2005-09-07 | 2008-04-22 | Yonezawa Electric Wire Co., Ltd. | Inductance device and manufacturing method thereof |
| US20170092410A1 (en) * | 2015-09-30 | 2017-03-30 | Taiyo Yuden Co., Ltd. | Coil component and method of manufacturing the same |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5014559B1 (en) * | 1970-09-19 | 1975-05-28 | ||
| JPS5460452A (en) * | 1977-10-24 | 1979-05-15 | Omron Tateisi Electronics Co | Preparation of coil |
| JPS5933216B2 (en) * | 1978-10-03 | 1984-08-14 | 富士電機株式会社 | photoacoustic analyzer |
| JPS60106112A (en) * | 1983-11-15 | 1985-06-11 | Kijima Musen Kk | Small-sized transformer |
-
1989
- 1989-04-27 JP JP10826289A patent/JPH02285614A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5014559B1 (en) * | 1970-09-19 | 1975-05-28 | ||
| JPS5460452A (en) * | 1977-10-24 | 1979-05-15 | Omron Tateisi Electronics Co | Preparation of coil |
| JPS5933216B2 (en) * | 1978-10-03 | 1984-08-14 | 富士電機株式会社 | photoacoustic analyzer |
| JPS60106112A (en) * | 1983-11-15 | 1985-06-11 | Kijima Musen Kk | Small-sized transformer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005136341A (en) * | 2003-10-31 | 2005-05-26 | Yonezawa Densen Kk | Choke coil |
| US7362201B2 (en) | 2005-09-07 | 2008-04-22 | Yonezawa Electric Wire Co., Ltd. | Inductance device and manufacturing method thereof |
| US20170092410A1 (en) * | 2015-09-30 | 2017-03-30 | Taiyo Yuden Co., Ltd. | Coil component and method of manufacturing the same |
| US10366819B2 (en) * | 2015-09-30 | 2019-07-30 | Taiyo Yuden Co., Ltd. | Coil component and method of manufacturing the same |
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