JPS6445479U - - Google Patents
Info
- Publication number
- JPS6445479U JPS6445479U JP13754487U JP13754487U JPS6445479U JP S6445479 U JPS6445479 U JP S6445479U JP 13754487 U JP13754487 U JP 13754487U JP 13754487 U JP13754487 U JP 13754487U JP S6445479 U JPS6445479 U JP S6445479U
- Authority
- JP
- Japan
- Prior art keywords
- permanent magnet
- rotor
- magnetic pole
- energization
- tightening
- 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 5
- 238000004804 winding Methods 0.000 claims 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Brushless Motors (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Description
第１図は本考案における回転子構造を示す斜視
図、第２図は本考案の一実施例の上半分縦断面図
、第３図は本考案の第２実施例の回転子構造を示
す斜視図、第４図は従来のＤＣブランレスモータ
の全体構造図、第５図は従来の回転子の縦断面図
、第６図は第５図に示した回転子のＡ−Ａ′横断
面図を示す。
９……界磁用永久磁石、９ａ……凹部、９ｂ…
…段付部、１０……非磁性金属よりなる固定材、
１１……接着剤、１２……検出用永久磁石、１３
……磁極検出素子、１４……リング、１５……検
出用基板、１６……カバー、１７……制御回路基
板、２１……エンドリング、２１ａ，２１ｂ……
凸部。
Fig. 1 is a perspective view showing the rotor structure of the present invention, Fig. 2 is an upper half vertical sectional view of an embodiment of the invention, and Fig. 3 is a perspective view showing the rotor structure of the second embodiment of the invention. 4 is an overall structural diagram of a conventional DC branless motor, FIG. 5 is a vertical cross-sectional view of a conventional rotor, and FIG. 6 is a cross-sectional view taken along A-A' of the rotor shown in FIG. shows. 9... Permanent magnet for field, 9a... Concavity, 9b...
...Stepped portion, 10...Fixing material made of non-magnetic metal,
11... Adhesive, 12... Permanent magnet for detection, 13
... Magnetic pole detection element, 14 ... Ring, 15 ... Detection board, 16 ... Cover, 17 ... Control circuit board, 21 ... End ring, 21a, 21b ...
Convex part.
Claims (1)
磁極検出素子により検出してこの検出信号に応じ
て固定子巻線に順次通電制御するものにおいて、
前記永久磁石の両端面には凹部を形成してなり、
この凹部にかん合する凸部を円周状に形成したエ
ンドリングにより前記永久磁石を両端から締付け
て位置決め固定することを特徴とするＤＣブラシ
レスモータの回転子。 In a device that detects the rotational position of a permanent magnet attached to a rotor using a magnetic pole detection element and sequentially controls the energization of the stator windings according to this detection signal,
recesses are formed on both end surfaces of the permanent magnet,
A rotor for a DC brushless motor, characterized in that the permanent magnet is positioned and fixed by tightening from both ends by an end ring having a circumferential convex portion that engages with the concave portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13754487U JPS6445479U (en) | 1987-09-10 | 1987-09-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13754487U JPS6445479U (en) | 1987-09-10 | 1987-09-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6445479U true JPS6445479U (en) | 1989-03-20 |
Family
ID=31399063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13754487U Pending JPS6445479U (en) | 1987-09-10 | 1987-09-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6445479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010090303A1 (en) * | 2009-02-09 | 2010-08-12 | 株式会社ジェイテクト | Electric motor and rotor |
-
1987
- 1987-09-10 JP JP13754487U patent/JPS6445479U/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010090303A1 (en) * | 2009-02-09 | 2010-08-12 | 株式会社ジェイテクト | Electric motor and rotor |
| JP2010207075A (en) * | 2009-02-09 | 2010-09-16 | Jtekt Corp | Electric motor and rotor |
| CN102308456A (en) * | 2009-02-09 | 2012-01-04 | 株式会社捷太格特 | Electric motor and rotor |
| US8872396B2 (en) | 2009-02-09 | 2014-10-28 | Jtekt Corporation | Electric motor and rotor including a permanent magnet holding member |