JPH0426370U - - Google Patents
Info
- Publication number
- JPH0426370U JPH0426370U JP6705390U JP6705390U JPH0426370U JP H0426370 U JPH0426370 U JP H0426370U JP 6705390 U JP6705390 U JP 6705390U JP 6705390 U JP6705390 U JP 6705390U JP H0426370 U JPH0426370 U JP H0426370U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- core member
- end side
- coil bobbin
- permanent magnet
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の実施例を示すクランク角セン
サの縦断面図、第２図は従来技術を示すクランク
角センサの縦断面図である。
４……ケーシング、５……コイルボビン、６…
…永久磁石、７……コア部材、９……検出コイル
、２１……保護キヤツプ、２２……蓋部、２２Ａ
……外縁部、２３……筒部、２３Ａ……カシメ部
。
FIG. 1 is a vertical cross-sectional view of a crank angle sensor showing an embodiment of the present invention, and FIG. 2 is a vertical cross-sectional view of a crank angle sensor showing a conventional technique. 4...Casing, 5...Coil bobbin, 6...
... Permanent magnet, 7 ... Core member, 9 ... Detection coil, 21 ... Protective cap, 22 ... Lid, 22A
... Outer edge portion, 23 ... Cylindrical portion, 23A ... Caulking portion.
Claims (1)
、先端側がコイルボビンとなつたケーシングと、
該ケーシング内に設けられた永久磁石と、基端側
が該永久磁石に当接され、先端側が前記ケーシン
グのコイルボビン内に挿通されたコア部材と、該
コア部材の径方向外側に位置して、前記ケーシン
グのコイルボビンに巻回された検出コイルと、該
検出コイルおよび前記コア部材の先端面を覆うよ
うにして前記ケーシングに取付けられた有蓋筒状
の保護キヤツプとからなる電磁式回転センサにお
いて、前記保護キヤツプは、非磁性材料から平板
状に形成され、前記コア部材の先端面側を覆う蓋
部と、該蓋部の外縁部に接合され、ケーシング内
に侵入するノイズを遮断すべく、磁性材料から筒
状に形成された筒部とから構成したことを特徴と
する電磁式回転センサ。 A casing made of an insulating resin material into a stepped cylindrical shape with a coil bobbin at the tip,
a permanent magnet provided in the casing; a core member whose proximal end side is in contact with the permanent magnet and whose distal end side is inserted into the coil bobbin of the casing; and a core member located radially outside of the core member; In an electromagnetic rotation sensor comprising a detection coil wound around a coil bobbin of a casing, and a covered cylindrical protection cap attached to the casing so as to cover the detection coil and the tip end surface of the core member, the protection The cap is formed in a flat plate shape from a non-magnetic material, and is joined to a lid portion that covers the tip end side of the core member, and an outer edge portion of the lid portion, and is made from a magnetic material to block noise entering the casing. An electromagnetic rotation sensor characterized by comprising a cylindrical portion formed in a cylindrical shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6705390U JPH0426370U (en) | 1990-06-25 | 1990-06-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6705390U JPH0426370U (en) | 1990-06-25 | 1990-06-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0426370U true JPH0426370U (en) | 1992-03-02 |
Family
ID=31600292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6705390U Pending JPH0426370U (en) | 1990-06-25 | 1990-06-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426370U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52123672A (en) * | 1976-04-10 | 1977-10-18 | Omron Tateisi Electronics Co | Rotary detector |
| JPH0243616B2 (en) * | 1982-12-16 | 1990-10-01 | Dainippon Inki Kagaku Kogyo Kk |
-
1990
- 1990-06-25 JP JP6705390U patent/JPH0426370U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52123672A (en) * | 1976-04-10 | 1977-10-18 | Omron Tateisi Electronics Co | Rotary detector |
| JPH0243616B2 (en) * | 1982-12-16 | 1990-10-01 | Dainippon Inki Kagaku Kogyo Kk |