JPS62119185U - - Google Patents
Info
- Publication number
- JPS62119185U JPS62119185U JP726686U JP726686U JPS62119185U JP S62119185 U JPS62119185 U JP S62119185U JP 726686 U JP726686 U JP 726686U JP 726686 U JP726686 U JP 726686U JP S62119185 U JPS62119185 U JP S62119185U
- Authority
- JP
- Japan
- Prior art keywords
- stator yoke
- type brushless
- brushless motor
- phase disc
- rotor 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
- 239000002131 composite material Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Brushless Motors (AREA)
Description
第１図は単相デイスク型ブラシレスモータを用
いたフアンモータの平面図、第２図は従来の単相
デイスク型ブラシレスモータを用いたフアンモー
タの縦断面図、第３図は同フアンモータに用いた
６極のロータマグネツトの下面図、第４図は同フ
アンモータのステータ電機子の平面図、第５図は
理想的な合成トルク曲線の説明図、第６図は本考
案の第１実施例としてのステータ電機子の平面図
、第７図は本考案第２実施例のステータ電機子の
平面図、第８図は同ステータ電機子を用いた単相
デイスク型ブラシレスモータに用いたロータマグ
ネツトの下面図である。
１…単相デイスク型ブラシレスフアンモータ、
２…フアンモータケース、３…モータケース、４
…フイン、５…透孔、６…軸受ホルダ、７…軸受
、８…回転軸、９…回転フアン、１０…回転フア
ン本体、１１…ロータヨーク、１２…ロータマグ
ネツト、１３…空隙、１４…ステータ電機子、１
５…位置検知素子、１６…単相デイスク型ブラシ
レスモータ、１７，１７′…ステータヨーク、１
８―１，１８―２…電機子コイル、１８ａ，１８
ａ′…発生トルクに寄与する有効導体部、１９…
コギングトルク発生用磁性体突起、２０…プリン
ト基板、２１…電気部品収納用スペース、２２…
端子、２３…切欠部、２４…発生トルク曲線、２
５…通電切換点、２６…コギングトルク曲線、２
７…合成トルク曲線、２８―１，…，２８―３…
切欠部、２９…部品。
Figure 1 is a plan view of a fan motor using a single-phase disc type brushless motor, Figure 2 is a vertical cross-sectional view of a fan motor using a conventional single-phase disc type brushless motor, and Figure 3 is a plan view of a fan motor using a conventional single-phase disc type brushless motor. Figure 4 is a plan view of the stator armature of the same fan motor, Figure 5 is an explanatory diagram of the ideal composite torque curve, and Figure 6 is the first implementation of the present invention. A plan view of a stator armature as an example, FIG. 7 is a plan view of a stator armature according to a second embodiment of the present invention, and FIG. 8 is a rotor magnet used in a single-phase disc-type brushless motor using the same stator armature. FIG. 3 is a bottom view of the net. 1...Single phase disc type brushless fan motor,
2...Fan motor case, 3...Motor case, 4
...Fin, 5...Through hole, 6...Bearing holder, 7...Bearing, 8...Rotating shaft, 9...Rotating fan, 10...Rotating fan body, 11...Rotor yoke, 12...Rotor magnet, 13...Gap, 14...Stator Armature, 1
5...Position detection element, 16...Single-phase disc type brushless motor, 17, 17'...Stator yoke, 1
8-1, 18-2...armature coil, 18a, 18
a'...Effective conductor portion contributing to generated torque, 19...
Magnetic projection for cogging torque generation, 20... Printed circuit board, 21... Space for storing electrical components, 22...
Terminal, 23... Notch, 24... Generated torque curve, 2
5... Energization switching point, 26... Cogging torque curve, 2
7...Synthetic torque curve, 28-1,...,28-3...
Notch, 29...parts.
Claims (1)
る２Ｐ（Ｐは２以上の整数）極のロータマグネツ
トと、該ロータマグネツトと軸方向の空隙を介し
て対向配設したステータヨークと、該ステータヨ
ーク上に固定された１以上の空心型電機子コイル
と、上記ロータマグネツトの磁極を検出して上記
コイルに切換通電するための回路を備えた単相デ
イスク型ブラシレスモータにおいて、上記ステー
タヨークにマグネツトの磁極幅と等しい切欠部を
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、単相デイスク型ブラシレスモータ。 (2) 上記切欠部は、ラジアル方向にステータヨ
ークの半径の約２分の１の長さに形成した、実用
新案登録請求の範囲第(1)項記載の単相デイスク
型ブラシレスモータ。[Claims for Utility Model Registration] (1) A 2P (P is an integer of 2 or more) pole rotor magnet having N and S magnetic poles that are rotatably supported, and A stator yoke disposed facing each other with a gap therebetween, one or more air-core armature coils fixed on the stator yoke, and a circuit for detecting the magnetic poles of the rotor magnet and switching and energizing the coils. A single-phase disc-type brushless motor comprising: a single-phase disc-type brushless motor, wherein the stator yoke has two or more notches equal to the magnetic pole width of the magnet at positions separated from each other by even-numbered magnetic pole widths. (2) The single-phase disc-type brushless motor according to claim 1, wherein the notch is formed to have a length in the radial direction that is about half the radius of the stator yoke.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP726686U JPS62119185U (en) | 1986-01-22 | 1986-01-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP726686U JPS62119185U (en) | 1986-01-22 | 1986-01-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62119185U true JPS62119185U (en) | 1987-07-29 |
Family
ID=30790557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP726686U Pending JPS62119185U (en) | 1986-01-22 | 1986-01-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62119185U (en) |
-
1986
- 1986-01-22 JP JP726686U patent/JPS62119185U/ja active Pending
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