JPH0360068U - - Google Patents
Info
- Publication number
- JPH0360068U JPH0360068U JP12092089U JP12092089U JPH0360068U JP H0360068 U JPH0360068 U JP H0360068U JP 12092089 U JP12092089 U JP 12092089U JP 12092089 U JP12092089 U JP 12092089U JP H0360068 U JPH0360068 U JP H0360068U
- Authority
- JP
- Japan
- Prior art keywords
- rotor
- detection device
- rotation detection
- housing
- magnetic circuit
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Description
第１図は本考案の一実施例を示す側断面図、第
２図は上記実施例と従来例との経年変化の度合い
を比較して示した図、第３図は本考案の他の実施
例を示す要部側断面図、第４図は本考案の他の実
施例を示す要部側断面図、第５図は従来の回転検
出装置を示す側断面図である。
２……ハウジング、５……ロータ、７……入力
回転軸、９……カツプリング、１０……磁気感応
素子、１８……軸受けメタル、１９……ヨーク板
、２０……制動磁石、２１……制動板。
Figure 1 is a side sectional view showing one embodiment of the present invention, Figure 2 is a diagram comparing the degree of aging between the above embodiment and the conventional example, and Figure 3 is another embodiment of the present invention. FIG. 4 is a side sectional view of a main part showing an example, FIG. 4 is a side sectional view of a main part showing another embodiment of the present invention, and FIG. 5 is a side sectional view showing a conventional rotation detection device. 2... Housing, 5... Rotor, 7... Input rotating shaft, 9... Coupling, 10... Magnetic sensing element, 18... Bearing metal, 19... Yoke plate, 20... Braking magnet, 21... brake plate.
Claims (1)
磁力を有するロータを回転自在に配設し、このロ
ータをカツプリングを介して回転出力源に接続し
てなる回転検出装置において、 上記ロータ側に制動板を設けると共に、上記ハ
ウジング側に制動磁石を設け、この制動磁石を含
む磁気回路を上記ロータ側及びハウジン側を跨い
で形成し、この磁気回路において生じる吸引力に
より上記制動板をハウジング側に圧接させるよう
にしたことを特徴とする回転検出装置。 (2) ハウジング内に、磁気感応素子と近接して
磁力を有するロータを回転自在に配設し、このロ
ータをカツプリングを介して回転出力源に接続し
てなる回転検出装置において、 上記ロータ側に制動板及び制動磁石を設け、こ
の制動磁石を含む磁気回路を上記ロータ側及びハ
ウジン側を跨いで形成し、この磁気回路において
生じる吸引力により上記制動板をハウジング側に
圧接させるようにしたことを特徴とする回転検出
装置。 (3) 請求項(1)又は(2)に記載の回転検出装置に
おいて、上記制動板と対面しないロータの一方の
端面部を着磁すると共に、この着磁面と対向する
部位に上記磁気感応素子を設けたことを特徴とす
る回転検出装置。[Claims for Utility Model Registration] (1) A rotor that has a magnetic force is rotatably disposed in a housing in close proximity to a magnetically sensitive element, and this rotor is connected to a rotational output source via a coupling. In the detection device, a braking plate is provided on the rotor side, a braking magnet is provided on the housing side, a magnetic circuit including the braking magnet is formed across the rotor side and the housing side, and the attractive force generated in the magnetic circuit is A rotation detection device characterized in that the brake plate is brought into pressure contact with a housing side. (2) In a rotation detection device in which a rotor having a magnetic force is rotatably disposed in a housing in close proximity to a magnetic sensing element, and the rotor is connected to a rotational output source via a coupling, A brake plate and a brake magnet are provided, a magnetic circuit including the brake magnet is formed across the rotor side and the housing side, and the brake plate is brought into pressure contact with the housing side by the attractive force generated in the magnetic circuit. Characteristic rotation detection device. (3) In the rotation detection device according to claim (1) or (2), one end surface portion of the rotor that does not face the brake plate is magnetized, and the magnetically sensitive portion is provided in a portion facing the magnetized surface. A rotation detection device characterized by being provided with an element.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12092089U JPH0740216Y2 (en) | 1989-10-18 | 1989-10-18 | Rotation detector |
| US07/596,132 US5543672A (en) | 1989-10-18 | 1990-10-11 | Rotation detecting device with magnet brake |
| DE4032985A DE4032985C2 (en) | 1989-10-18 | 1990-10-17 | Rotation detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12092089U JPH0740216Y2 (en) | 1989-10-18 | 1989-10-18 | Rotation detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0360068U true JPH0360068U (en) | 1991-06-13 |
| JPH0740216Y2 JPH0740216Y2 (en) | 1995-09-13 |
Family
ID=31668968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12092089U Expired - Fee Related JPH0740216Y2 (en) | 1989-10-18 | 1989-10-18 | Rotation detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740216Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021134875A (en) * | 2020-02-28 | 2021-09-13 | シチズンマイクロ株式会社 | Planetary gear transmission device |
-
1989
- 1989-10-18 JP JP12092089U patent/JPH0740216Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021134875A (en) * | 2020-02-28 | 2021-09-13 | シチズンマイクロ株式会社 | Planetary gear transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740216Y2 (en) | 1995-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |