JPS62172275U - - Google Patents
Info
- Publication number
- JPS62172275U JPS62172275U JP1986058084U JP5808486U JPS62172275U JP S62172275 U JPS62172275 U JP S62172275U JP 1986058084 U JP1986058084 U JP 1986058084U JP 5808486 U JP5808486 U JP 5808486U JP S62172275 U JPS62172275 U JP S62172275U
- Authority
- JP
- Japan
- Prior art keywords
- fan motor
- fan
- rotating
- stator yoke
- utility
- 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
- 238000010586 diagram Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/06—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices
- H02K29/08—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with position sensing devices using magnetic effect devices, e.g. Hall-plates, magneto-resistors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
Description
第１図及び第２図は従来のコギングトルクを発
生させる単相ブラシレスモータの原理の説明図、
第３図は第２図の場合の停止位置の説明図、第４
図は第２図の死点付近のコギングトルクの説明図
、第５図は単相ブラシレスモータにおける理想的
な合成トルク曲線の説明図、第６図は他の従来の
単相デイスク型ブラシレスフアンモータの平面図
、第７図は同縦断面図、第８図は同ブラシレスフ
アンモータのマグネツトロータの下面図、第９図
は同ブラシレスモータのステータ電機子の部分拡
大した縦断面図、第１０図は同ステータ電機子の
平面図、第１１図は他の従来の回転フアンと回転
軸を一体化する場合の説明図、第１２図は本考案
の一実施例を示すフアンモータの回転フアンとこ
れに取り付けるためのロータヨークの斜視図、第
１３図は同ロータヨークを取り付けた回転フアン
の斜視図、第１４図は第１３図の回転フアンにマ
グネツトロータを取り付けた場合の斜視図、第１
５図は第１４図の回転フアンに玉軸受の内輪を取
り付けた場合の斜視図、第１６図は回転フアンを
除いた単相デイスク型ブラシレスフアンモータの
斜視図、第１７図は同ブラシレスフアンモータの
縦断面図、第１８図は同ブラシレスフアンモータ
のステータ電機子の平面図、第１９図は他の実施
例を示すステータ電機子の平面図である。
２……マグネツトロータ、１１′……単相デイ
スク型ブラシレスフアンモータ、１２Ａ……モー
タケース、１５′……フイン、１７′……回転フ
アン、１８′……回転フアン本体、１９′……ロ
ータヨーク、２０′……回転軸、２１′―１，２
１′―２……玉軸受、２１′ａ……内輪、２１′
ｂ……外輪、２１′ｃ……鋼球、２２……プリン
ト基板、２３′……ステータヨーク、２４……位
置検知素子、３２′，３２″……ステータ電機子
、３３，３３―１，……，３３―３……切欠部、
３３ａ……端部、３４，３４′……切欠部、３５
，３５′……端子、３６，３７……電気部品、４
３―１，４３―２……電機子コイル。
Figures 1 and 2 are explanatory diagrams of the principle of a conventional single-phase brushless motor that generates cogging torque;
Figure 3 is an explanatory diagram of the stopping position in the case of Figure 2;
The figure is an explanatory diagram of the cogging torque near the dead center in Figure 2, Figure 5 is an explanatory diagram of the ideal composite torque curve for a single-phase brushless motor, and Figure 6 is an illustration of another conventional single-phase disc-type brushless fan motor. 7 is a vertical sectional view of the brushless fan motor, FIG. 8 is a bottom view of the magnetic rotor of the brushless fan motor, FIG. 9 is a partially enlarged vertical sectional view of the stator armature of the brushless motor, and FIG. The figure is a plan view of the stator armature, FIG. 11 is an explanatory diagram of a case where the rotating shaft is integrated with another conventional rotating fan, and FIG. 12 is a rotating fan of a fan motor showing an embodiment of the present invention. FIG. 13 is a perspective view of a rotating fan with the rotor yoke attached to it. FIG. 14 is a perspective view of a magnetic rotor attached to the rotating fan shown in FIG. 13.
Figure 5 is a perspective view of the rotary fan shown in Figure 14 with the inner ring of the ball bearing attached, Figure 16 is a perspective view of a single-phase disc-type brushless fan motor without the rotary fan, and Figure 17 is the same brushless fan motor. FIG. 18 is a plan view of the stator armature of the same brushless fan motor, and FIG. 19 is a plan view of the stator armature showing another embodiment. 2... Magnetic rotor, 11'... Single phase disc type brushless fan motor, 12A... Motor case, 15'... Fin, 17'... Rotating fan, 18'... Rotating fan body, 19'... Rotor yoke, 20'... Rotating shaft, 21'-1, 2
1'-2...Ball bearing, 21'a...Inner ring, 21'
b...Outer ring, 21'c...Steel ball, 22...Printed circuit board, 23'...Stator yoke, 24...Position detection element, 32', 32''...Stator armature, 33, 33-1, ..., 33-3...notch part,
33a... End, 34, 34'... Notch, 35
, 35'... terminal, 36, 37... electrical component, 4
3-1, 43-2... Armature coil.
Claims (1)
た回転フアンを備えたフアンモータにおいて、上
記回転フアン並びに該回転フアンに固定される回
転軸をプラスチツクで一体形成してなる、フアン
モータ。 (2) 上記回転軸には、玉軸受の内輪を固定して
なる、実用新案登録請求の範囲第(1)項記載のフ
アンモータ。 (3) 上記フアンモータは、回転軸が玉軸受によ
つて回動自在に軸支されて回動される回転フアン
にＮ，Ｓの磁極を複数個有するマグネツトロータ
を固設し、該マグネツトロータに対向する固定側
位置にステータ電機子を配設してなるブラシレス
フアンモータである、実用新案登録請求の範囲第
(1)項または第(2)項記載のフアンモータ。 (4) 上記フアンモータは、回転軸が玉軸受によ
つて回動自在に軸支されて回動される回転フアン
にＮ，Ｓの磁極を複数個有するマグネツトロータ
を固設し、該マグネツトロータに軸方向の空隙を
介して対向配設されたステータヨークと、該ステ
ータヨーク上に固定され且つモータのステータ電
機子配設部に配設された１以上の空心型電機子コ
イルと、上記マグネツトロータの磁極を検出して
上記電機子コイルに切換通電するための電気回路
を備えたデイスク型ブラシレスフアンモータであ
る、実用新案登録請求の範囲第(1)項乃至第(3)項
いずれかに記載のフアンモータ。 (5) 上記デイスク型ブラシレスフアンモータに
おいて、上記ステータヨークは当該デイスク型ブ
ラシレスフアンモータが自起動できるような切欠
部を形成したものである、実用新案登録請求の範
囲第(4)項記載のフアンモータ。 (6) 上記デイスク型ブラシレスフアンモータは
、上記ステータヨークの下面にプリント配線基板
を設け、該プリント基板の下面に通電制御回路を
構成する電気部品を配設し、上記プリント基板の
上記切欠部と対向する面で且つマグネツトロータ
と対向する位置に位置検知素子を配設してなる、
実用新案登録請求の範囲第(5)項記載のフアンモ
ータ。 (7) 上記ステータヨークに形成した切欠部は、
マグネツトロータの磁極幅と等しい幅のものであ
る、実用新案登録請求の範囲第(5)項または第(6)
項記載のブラシレスフアンモータ。 (8) 上記ステータヨークに形成した切欠部は、
相互に偶数磁極幅だけ離れた位置に２箇所以上形
成した、実用新案登録請求の範囲第(7)項記載の
フアンモータ。 (9) 上記ステータヨークは、その切欠部の端部
を最大起動トルクが得られる位置からマグネツト
ロータの回転方向に向かつて２分の１磁極ほど手
前までの位置に配設してなる、実用新案登録請求
の範囲第(5)項乃至第(8)項いずれかに記載のフア
ンモータ。[Claims for Utility Model Registration] (1) In a fan motor equipped with a rotating fan having fins that blow air by rotating, the rotating fan and the rotating shaft fixed to the rotating fan are integrally formed of plastic. A fan motor. (2) The fan motor according to claim 1, wherein the inner ring of a ball bearing is fixed to the rotating shaft. (3) The above fan motor has a magnetic rotor having a plurality of N and S magnetic poles fixed to a rotating fan whose rotating shaft is rotatably supported by a ball bearing. The scope of the utility model registration claim No. 1 is a brushless fan motor in which a stator armature is disposed on the fixed side opposite to the rotor.
The fan motor described in paragraph (1) or paragraph (2). (4) The above fan motor has a magnetic rotor having a plurality of N and S magnetic poles fixed to a rotating fan whose rotating shaft is rotatably supported by a ball bearing. a stator yoke disposed opposite to the netrotor with an axial gap therebetween; one or more air-core armature coils fixed on the stator yoke and disposed in a stator armature disposed portion of the motor; Claims (1) to (3) of the Utility Model Registration Claims are a disc-type brushless fan motor equipped with an electric circuit for detecting the magnetic poles of the magnet rotor and switching energization to the armature coil. The fan motor described in any of the above. (5) In the disc-type brushless fan motor, the stator yoke has a notch formed therein so that the disc-type brushless fan motor can self-start. motor. (6) The disc-type brushless fan motor is provided with a printed wiring board on the lower surface of the stator yoke, electrical components constituting the energization control circuit are arranged on the lower surface of the printed circuit board, and the cutout portion of the printed circuit board A position sensing element is arranged on the opposing surface and at a position facing the magnetic rotor.
A fan motor according to claim (5) of the utility model registration. (7) The notch formed in the stator yoke is
Utility model registration claim paragraph (5) or (6), which has the same width as the magnetic pole width of the magnet rotor.
Brushless fan motor described in section. (8) The notch formed in the stator yoke is
A fan motor according to claim (7) of the utility model registration, wherein two or more locations are formed at positions spaced apart from each other by even numbered magnetic pole widths. (9) The above-mentioned stator yoke has the cutout end located at a position from the position where the maximum starting torque is obtained to about 1/2 magnetic pole in the direction of rotation of the magnetic rotor. A fan motor according to any one of claims (5) to (8) of patent registration claims.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058084U JPS62172275U (en) | 1986-04-17 | 1986-04-17 | |
| KR2019860012837U KR900007273Y1 (en) | 1986-04-17 | 1986-08-23 | Fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058084U JPS62172275U (en) | 1986-04-17 | 1986-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62172275U true JPS62172275U (en) | 1987-10-31 |
Family
ID=30888364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986058084U Pending JPS62172275U (en) | 1986-04-17 | 1986-04-17 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS62172275U (en) |
| KR (1) | KR900007273Y1 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60128853A (en) * | 1983-12-15 | 1985-07-09 | Yoshiteru Takahashi | Disc type brushless motor |
-
1986
- 1986-04-17 JP JP1986058084U patent/JPS62172275U/ja active Pending
- 1986-08-23 KR KR2019860012837U patent/KR900007273Y1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60128853A (en) * | 1983-12-15 | 1985-07-09 | Yoshiteru Takahashi | Disc type brushless motor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR870017416U (en) | 1987-11-30 |
| KR900007273Y1 (en) | 1990-08-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS62135574U (en) | ||
| JPS62172275U (en) | ||
| JPS6310775U (en) | ||
| JPH0433437Y2 (en) | ||
| JPH0317579Y2 (en) | ||
| JPS62172260U (en) | ||
| JPS62185470U (en) | ||
| KR900007271Y1 (en) | Brushless motor | |
| JPS634177U (en) | ||
| JPH0317580Y2 (en) | ||
| GB2213653A (en) | A permanent magnet D.C. motor with flux concentrator | |
| JPS62165767U (en) | ||
| JPS62172259U (en) | ||
| JPH0314939Y2 (en) | ||
| KR900007272Y1 (en) | Brushless fan motor | |
| JPS642537Y2 (en) | ||
| JPS6062880U (en) | 2-phase small DC brushless motor with 6 poles, 4 coils, and 1 position sensing element | |
| JPS61185282U (en) | ||
| JPS6363083U (en) | ||
| JPH03101167U (en) | ||
| JPS6291581U (en) | ||
| JPS61192674U (en) | ||
| JPS61134680U (en) | ||
| JPH027777U (en) | ||
| JPH03108898U (en) |