JPH0456315U - - Google Patents
Info
- Publication number
- JPH0456315U JPH0456315U JP9858690U JP9858690U JPH0456315U JP H0456315 U JPH0456315 U JP H0456315U JP 9858690 U JP9858690 U JP 9858690U JP 9858690 U JP9858690 U JP 9858690U JP H0456315 U JPH0456315 U JP H0456315U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- sealed
- differential transformer
- coils
- movable body
- 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
- 229920005989 resin Polymers 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 239000004840 adhesive resin Substances 0.000 claims description 2
- 229920006223 adhesive resin Polymers 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Coils Or Transformers For Communication (AREA)
Description
第１図は本考案の一実施例の差動トランスを示
す断面図、第２図は従来の差動トランスを示す断
面図である。
１……ボビン、２……１次コイル、３，４……
２次コイル、５……シールド板、６……モールド
樹脂、９……熱収縮性チユーブ、１１……リード
線、１２……接着性樹脂。
FIG. 1 is a sectional view showing a differential transformer according to an embodiment of the present invention, and FIG. 2 is a sectional view showing a conventional differential transformer. 1... Bobbin, 2... Primary coil, 3, 4...
Secondary coil, 5... Shield plate, 6... Molding resin, 9... Heat shrinkable tube, 11... Lead wire, 12... Adhesive resin.
Claims (1)
、当該ボビンの外周面に巻線され、当該可動体の
変位量を電気的に検出する１次コイルおよび２次
コイルと、これらのコイルを覆うシールド板とが
モールド樹脂で封止された差動トランスにおいて
、 前記シールド板および前記ボビンが熱収縮性部
材に覆われ、当該熱収縮性部材の熱収縮により前
記シールド板および前記ボビンの外側が密封され
、この熱収縮性部材の外側が前記モールド樹脂で
、封止されていることを特徴とする差動トランス
。 ２ 前記１次コイルおよび前記２次コイルに接続
されるリード線の前記ボビン内への挿入部が、接
着性樹脂により密封されていることを特徴とする
請求項１記載の差動トランス。[Claims for Utility Model Registration] 1. A bobbin into which a movable body is inserted so that it can move in a straight line, and a primary coil and a secondary coil that are wound around the outer peripheral surface of the bobbin and electrically detect the amount of displacement of the movable body. In a differential transformer in which coils and a shield plate covering these coils are sealed with molded resin, the shield plate and the bobbin are covered with a heat-shrinkable member, and the shield A differential transformer characterized in that the outside of the plate and the bobbin are sealed, and the outside of the heat-shrinkable member is sealed with the molding resin. 2. The differential transformer according to claim 1, wherein insertion portions of lead wires connected to the primary coil and the secondary coil into the bobbin are sealed with adhesive resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9858690U JPH0456315U (en) | 1990-09-20 | 1990-09-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9858690U JPH0456315U (en) | 1990-09-20 | 1990-09-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0456315U true JPH0456315U (en) | 1992-05-14 |
Family
ID=31839873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9858690U Pending JPH0456315U (en) | 1990-09-20 | 1990-09-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0456315U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011243623A (en) * | 2010-05-14 | 2011-12-01 | Tamagawa Seiki Co Ltd | Differential transformer |
| JP2016086011A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
| JP2016086012A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
-
1990
- 1990-09-20 JP JP9858690U patent/JPH0456315U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011243623A (en) * | 2010-05-14 | 2011-12-01 | Tamagawa Seiki Co Ltd | Differential transformer |
| JP2016086011A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
| JP2016086012A (en) * | 2014-10-23 | 2016-05-19 | 多摩川精機株式会社 | Manufacturing method of differential transformer |
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