JPS6363083U - - Google Patents
Info
- Publication number
- JPS6363083U JPS6363083U JP15622486U JP15622486U JPS6363083U JP S6363083 U JPS6363083 U JP S6363083U JP 15622486 U JP15622486 U JP 15622486U JP 15622486 U JP15622486 U JP 15622486U JP S6363083 U JPS6363083 U JP S6363083U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- brushless motor
- degrees
- field magnet
- pole pieces
- 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
- 239000000696 magnetic material Substances 0.000 claims description 11
- 230000006698 induction Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Brushless Motors (AREA)
Description
第１図は本考案を適用した一実施例としての３
相の径方向空隙型のインナー・ロータタイプのブ
ラシレスモータの縦断面図、第２図は同ブラシレ
スモータの横断面図、第３図は界磁マグネツトの
斜視図、第４図は誘磁用磁性体の斜視図、第５図
は界磁マグネツトに誘磁用磁性体を固定する場合
の説明図、第６図は界磁マグネツトとステータ電
機子との展開図、第７図は第２実施例の誘磁用磁
性体の斜視図、第８図は同誘磁用磁性体を形成す
る誘磁用磁性体形成シートの展開図、第９図は第
３実施例の誘磁用磁性体の斜視図である。
（符号の説明）、１……ブラシレスモータ、２
……モータハウジング、３……ステータ電機子、
４……Ｔ字形突極、５―１，…，５―６……電機
子コイル、６，６―１，…，６―３……磁電変換
素子、７……回転軸、８，９……軸受、１０……
ロータヨーク、１１……界磁マグネツト、１２…
…誘磁用磁性体、１３……リング状連結部、１４
，１４―１，…，１４―８……誘磁用磁極片、１
５……スリツト、１６……プリント配線基板、１
７……通電制御回路用ＩＣ、１８，…，２９……
端子、３０，３１……出力端子、３２……誘磁用
磁性体、３３……誘磁用磁性体形成シート、３４
……スリツト、３５……リング状連結部、３６…
…誘磁用磁極片、３７，３８……端部、３９……
誘磁用磁性体、４０……カツプ形磁性体、４１…
…上端部、４２……透孔、４３……リング状連結
部、４４，４５……スリツト、４６……誘磁用磁
極片。
Figure 1 shows 3 as an example to which the present invention is applied.
A vertical cross-sectional view of an inner rotor type brushless motor with radial air gaps in the phases, Fig. 2 is a cross-sectional view of the same brushless motor, Fig. 3 is a perspective view of the field magnet, and Fig. 4 is a magnet for induction. FIG. 5 is an explanatory diagram of fixing the magnetic material for induction to the field magnet, FIG. 6 is a developed view of the field magnet and stator armature, and FIG. 7 is a second embodiment. FIG. 8 is a developed view of a sheet forming the dielectric magnetic material forming the dimagnetic magnetic material, and FIG. 9 is a perspective view of the dimagnetic magnetic material of the third embodiment. It is a diagram. (Explanation of symbols), 1...Brushless motor, 2
...Motor housing, 3...Stator armature,
4...T-shaped salient pole, 5-1,...,5-6...armature coil, 6,6-1,...,6-3...magnetoelectric conversion element, 7...rotating shaft, 8,9... ...Bearing, 10...
Rotor yoke, 11...Field magnet, 12...
...Magnetic material for dimagnetism, 13...Ring-shaped connecting part, 14
, 14-1,..., 14-8... magnetic pole piece for magnetic induction, 1
5...Slit, 16...Printed wiring board, 1
7... IC for energization control circuit, 18,..., 29...
Terminal, 30, 31... Output terminal, 32... Magnetic material for dimagnetism, 33... Magnetic material forming sheet for dimagnetism, 34
...Slit, 35...Ring-shaped connecting portion, 36...
...Pole piece for magnetic induction, 37, 38...End part, 39...
Magnetic material for dimagnetism, 40...Cup-shaped magnetic material, 41...
. . . Upper end portion, 42 . . . Through hole, 43 . . .
Claims (1)
気角でＮ，Ｓの磁極が１８０度の幅で交互に２Ｐ
（Ｐは２以上の整数）個を有する界磁マグネツト
を回動自在に支持したブラシレスモータにおいて
、上記界磁マグネツトのＮ，Ｓの磁極を誘磁する
ために電気角でほぼ１８０度の幅で形成した磁性
体からなる２Ｐ個の誘磁用磁極片を上記界磁マグ
ネツトに固定し、上記誘磁用磁極片に対向する固
定側に磁電変換素子を配設し、該磁電変換素子か
らの信号に基いて上記ステータ電機子の電機子コ
イルに所定方向の通電を行なう通電制御回路を備
えてなる、ブラシレスモータ。 (2) 上記２Ｐ個の誘磁用磁極片は、上記界磁マ
グネツトに固定される一端部分において連結され
ている、実用新案登録請求の範囲第(1)項記載の
ブラシレスモータ。 (3) 上記２Ｐ個の誘磁用磁極片とこれを連結す
る部分は、磁性体で一体形成されている、実用新
案登録請求の範囲第(2)項記載のブラシレスモー
タ。 (4) 上記２Ｐ個の誘磁用磁極片を有する誘磁用
磁性体は、円筒形となつており、この一端部にリ
ング状の連結部を形成しており、該連結部分を界
磁マグネツトの一端部に固定してなる、実用新案
登録請求の範囲第(3)項記載のブラシレスモータ
。 (5) 上記円筒形の誘磁用磁性体は、シート状の
磁性体の一端部を除く部分に電気角でほぼ１８０
度の間隔でスリツトを形成して電気角でほぼ１８
０度の幅の誘磁用磁極片を２Ｐ個形成したものを
円筒形に丸めて界磁マグネツトの一端部に固定し
てなる、実用新案登録請求の範囲第(4)項記載の
ブラシレスモータ。 (6) 上記２Ｐ個の誘磁用磁極片を有する誘磁用
磁性体は、カツプ形となつており、この端面部に
連結部を形成しており、該端面部から周面に至る
部分に電気角でほぼ１８０度の間隔でスリツトを
形成して電気角でほぼ１８０度の幅の誘磁用磁極
片を２Ｐ個形成しており、上記端面部の連結部分
を界磁マグネツトの端部に固定してなる、実用新
案登録請求の範囲第(3)項記載のブラシレスモー
タ。 (7) 上記ブラシレスモータは、径方向空隙型で
円筒形の低慣性のインナー・ロータ・モータであ
る、実用新案登録請求の範囲第(1)項乃至第(6)項
いずれかに記載のブラシレスモータ。[Claims for Utility Model Registration] (1) 2P facing the stator armature through an air gap, with N and S magnetic poles alternating with a width of 180 degrees in electrical angle.
(P is an integer of 2 or more) In a brushless motor that rotatably supports a field magnet, a width of approximately 180 degrees in electrical angle is used to induce the N and S magnetic poles of the field magnet. 2P magnetic pole pieces for induction made of the formed magnetic material are fixed to the field magnet, a magnetoelectric conversion element is arranged on the fixed side opposite to the magnetic pole piece for induction, and a signal from the magnetoelectric conversion element is A brushless motor comprising an energization control circuit that energizes the armature coil of the stator armature in a predetermined direction based on the above. (2) The brushless motor according to claim 1, wherein the 2P magnetizing pole pieces are connected at one end portion fixed to the field magnet. (3) The brushless motor according to claim 2, wherein the 2P magnetizing pole pieces and the part connecting them are integrally formed of a magnetic material. (4) The induction magnetic body having the above-mentioned 2P magnetic induction pole pieces has a cylindrical shape, and a ring-shaped connecting portion is formed at one end of the magnetic body, and the connecting portion is connected to a field magnet. A brushless motor according to claim (3) of the utility model registration, which is fixed to one end of the brushless motor. (5) The above-mentioned cylindrical magnetizing magnetic body has a part other than one end of the sheet-shaped magnetic body that has an electrical angle of approximately 180 degrees.
Approximately 18 degrees electrical angle is formed by forming slits at intervals of 18 degrees.
A brushless motor according to claim (4) of the registered utility model, which is formed by forming 2P magnetic pole pieces for magnetic induction with a width of 0 degrees, rolling them into a cylindrical shape, and fixing them to one end of a field magnet. (6) The magnetizing magnetic body having the above-mentioned 2P magnetizing magnetic pole pieces is cup-shaped, and a connecting portion is formed at the end surface, and a portion extending from the end surface to the circumferential surface is cup-shaped. Slits are formed at intervals of approximately 180 degrees in electrical angle to form 2P magnetic pole pieces for magnetic induction with a width of approximately 180 degrees in electrical angle, and the connecting portion of the end face is connected to the end of the field magnet. A brushless motor according to claim (3) of the utility model registration, which is fixed. (7) The brushless motor according to any one of claims (1) to (6) of the utility model registration claim, wherein the brushless motor is a radial gap type, cylindrical, low inertia inner rotor motor. motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15622486U JPS6363083U (en) | 1986-10-13 | 1986-10-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15622486U JPS6363083U (en) | 1986-10-13 | 1986-10-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6363083U true JPS6363083U (en) | 1988-04-26 |
Family
ID=31077644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15622486U Pending JPS6363083U (en) | 1986-10-13 | 1986-10-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6363083U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02114373U (en) * | 1989-02-28 | 1990-09-13 | ||
| JP2004343921A (en) * | 2003-05-16 | 2004-12-02 | Toshiba Corp | Permanent magnet motor and x-ray computerized tomography equipment |
-
1986
- 1986-10-13 JP JP15622486U patent/JPS6363083U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02114373U (en) * | 1989-02-28 | 1990-09-13 | ||
| JP2004343921A (en) * | 2003-05-16 | 2004-12-02 | Toshiba Corp | Permanent magnet motor and x-ray computerized tomography equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4804873A (en) | Unidirectional brushless motor | |
| US4733119A (en) | 1-Phase self-starting disk-type brushless motor with cogging-producing element | |
| US4894572A (en) | Disk-type brushless fan motor | |
| US4725752A (en) | 1-phase self starting disk-type brushless motor with cogging element | |
| JPS6363083U (en) | ||
| JPH058784Y2 (en) | ||
| JPS6363085U (en) | ||
| JPH0433437Y2 (en) | ||
| JPS6363084U (en) | ||
| JPS62177285U (en) | ||
| JPH0317579Y2 (en) | ||
| EP0263890A1 (en) | 1-Phase energized brushless motor | |
| JPS63190544A (en) | Outer rotor type dc brushless motor | |
| JPS6388075U (en) | ||
| JPS6329385U (en) | ||
| JPH0347436Y2 (en) | ||
| JPH0317580Y2 (en) | ||
| EP0233326A1 (en) | Disk-type brushless fan motor | |
| JPS62172260U (en) | ||
| JPS6062880U (en) | 2-phase small DC brushless motor with 6 poles, 4 coils, and 1 position sensing element | |
| JPS62125377U (en) | ||
| JPS61134680U (en) | ||
| JPS62191369U (en) | ||
| JPS6221777U (en) | ||
| JPS61192678U (en) |