JPS62172260U - - Google Patents
Info
- Publication number
- JPS62172260U JPS62172260U JP1986058086U JP5808686U JPS62172260U JP S62172260 U JPS62172260 U JP S62172260U JP 1986058086 U JP1986058086 U JP 1986058086U JP 5808686 U JP5808686 U JP 5808686U JP S62172260 U JPS62172260 U JP S62172260U
- Authority
- JP
- Japan
- Prior art keywords
- fan motor
- brushless fan
- field magnet
- brushless
- rotating
- 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
- 239000011347 resin Substances 0.000 claims description 6
- 229920005989 resin Polymers 0.000 claims description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 4
- 239000006247 magnetic powder Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 239000002131 composite material Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01K—ELECTRIC INCANDESCENT LAMPS
- H01K9/00—Lamps having two or more incandescent bodies separately heated
- H01K9/02—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies
- H01K9/06—Lamps having two or more incandescent bodies separately heated to provide substitution in the event of failure of one of the bodies with built-in device, e.g. switch, for automatically completing circuit of reserve body
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushless Motors (AREA)
- Motor Or Generator Cooling System (AREA)
Description
第１図は本考案の単相デイスク型ブラシレスフ
アンモータに用いる磁性粉入り樹脂により回転軸
を一体形成した回転フアンの斜視図、第２図は第
１図の回転フアンに界磁マグネツトを固設した回
転フアンの斜視図、第３図は第２図の回転フアン
の回転軸に２個の内輪を固定した場合の斜視図、
第４図及び第５図は磁性粉入り樹脂の説明図、第
６図は本考案の一例を示す単相デイスク型ブラシ
レスフアンモータ（ただし、回転フアンは省略し
ている）の斜視図、第７図は単相デイスク型ブラ
シレスフアンモータの縦断面図、第８図はステー
タ電機子の平面図、第９図は他の実施例を示すス
テータ電機子の平面図、第１０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
の平面図、第１１図は同フアンモータの縦断面図
、第１２図は同フアンモータに用いた６極の界磁
マグネツトの下面図、第１３図は同フアンモータ
のステータ電機子の平面図、第１４図は理想的な
合成トルク曲線の説明図である。
１，１′…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、４，４′…フイン、５…透孔、６…軸受ホル
ダ、７…軸受、８，８′…回転軸、９，９′…回
転フアン、１０，１０′…回転フアン本体、１１
…ロータヨーク、１２…界磁マグネツト、１３…
空隙、１４，１４′…ステータ電機子、１５…位
置検知素子、１６…単相デイスク型ブラシレスモ
ータ、１７，１７′，１７″…ステータヨーク、
１８―１，１８―２…電機子コイル、１９…コギ
ングトルク発生用磁性体突起、２０…プリント基
板、２１…電気部品配設スペース、２２…端子、
２３…切欠部、２４…発生トルク曲線、２５…通
電切換点、２６…コギングトルク曲線、２７…合
成トルク曲線、２８…界磁マグネツト形成部、２
９′―１，２９′―２…玉軸受、３０…内輪、３
１…外輪、３２…鋼球、３３，３３―１，…３３
―３，３４，３４′…切欠部、３３ａ…端部、３
５，３５′…端子、３６，３７…電気部品、３８
…ステー、３９，３９′…鉄粉、４０，４０′…
樹脂粉、４１…鉄粉入り樹脂粉、４１′…鉄粉入
り樹脂材。
Figure 1 is a perspective view of a rotating fan whose rotating shaft is integrally formed with magnetic powder-containing resin used in the single-phase disc-type brushless fan motor of the present invention, and Figure 2 shows a field magnet fixed to the rotating fan of Figure 1. FIG. 3 is a perspective view of the rotary fan shown in FIG. 2 when two inner rings are fixed to the rotating shaft;
4 and 5 are explanatory diagrams of magnetic powder-containing resin, FIG. 6 is a perspective view of a single-phase disc type brushless fan motor (however, the rotating fan is omitted) showing an example of the present invention, and FIG. The figure is a longitudinal cross-sectional view of a single-phase disc type brushless fan motor, Figure 8 is a plan view of a stator armature, Figure 9 is a plan view of a stator armature showing another embodiment, and Figure 10 is a conventional single-phase motor. A plan view of a fan motor using a disk-type brushless motor, FIG. 11 is a longitudinal sectional view of the same fan motor, FIG. 12 is a bottom view of a 6-pole field magnet used in the same fan motor, and FIG. 13 is a top view of the fan motor. FIG. 14, a plan view of the stator armature of the fan motor, is an explanatory diagram of an ideal composite torque curve. 1, 1'...Single-phase disc type brushless fan motor, 2...Fan motor case, 3...Motor case, 4, 4'...Fin, 5...Through hole, 6...Bearing holder, 7...Bearing, 8, 8'... Rotating shaft, 9, 9'... Rotating fan, 10, 10'... Rotating fan body, 11
...Rotor yoke, 12...Field magnet, 13...
Air gap, 14, 14'... Stator armature, 15... Position detection element, 16... Single phase disc type brushless motor, 17, 17', 17''... Stator yoke,
18-1, 18-2... Armature coil, 19... Magnetic projection for cogging torque generation, 20... Printed circuit board, 21... Electrical component arrangement space, 22... Terminal,
23... Notch portion, 24... Generated torque curve, 25... Energization switching point, 26... Cogging torque curve, 27... Composite torque curve, 28... Field magnet forming part, 2
9'-1, 29'-2...Ball bearing, 30...Inner ring, 3
1...Outer ring, 32...Steel ball, 33, 33-1,...33
-3, 34, 34'...notch, 33a...end, 3
5, 35'...Terminal, 36, 37...Electrical component, 38
...Stay, 39,39'...Iron powder, 40,40'...
Resin powder, 41...Resin powder containing iron powder, 41'...Resin material containing iron powder.
Claims (1)
た回転フアンを有するフアンモータにおいて、上
記回転フアンと、これに固定される回転軸とを磁
性粉入り樹脂で一体形成してなる、ブラシレスフ
アンモータ。 (2) 上記磁性粉は、鉄粉である、実用新案登録
請求の範囲第(1)項記載のブラシレスフアンモー
タ。 (3) 上記回転フアンは、ステータ電機子と空隙
を介し対向する面に界磁マグネツトを設けてなる
、実用新案登録請求の範囲第(1)または第(2)項記
載のブラシレスフアンモータ。 (4) 上記ブラシレスフアンモータは、空隙を介
して対向する固定側位置に配設されたステータ電
機子と対向する回転フアン位置にＮ，Ｓの磁極を
複数個有する界磁マグネツトを配設してなる、実
用新案登録請求の範囲第(1)項乃至第(3)項いずれ
かに記載のブラシレスフアンモータ。 (5) 上記界磁マグネツトは、軸方向の空隙を介
して対向する固定側位置に配設されたステータ電
機子と面対向する回転フアン位置に配設してなる
、実用新案登録請求の範囲第(4)項記載のブラシ
レスフアンモータ。 (6) 上記ブラシレスフアンモータは、単相ブラ
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(5)項いずれかに記載のブラシ
レスフアンモータ。 (7) 上記ブラシレスフアンモータは、単相デイ
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(6)項記載のブラシレスフアン
モータ。 (8) 上記単相デイスク型ブラシレスフアンモー
タは、回転フアンに着磁形成したＮ，Ｓの磁極を
複数個有する界磁マグネツトと軸方向の空隙を介
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フアンモータのステー
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、上記界磁マグネツトの磁極を検出し
て上記電機子コイルに切換通電するための電気回
路を備えた単相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(7)項いずれかに記載のブラシレスフアンモー
タ。 (9) 上記単相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(8)項記載のブラシレスフアンモータ。 (10) 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
上記ステータヨークの切欠部と対向する面で且つ
界磁マグネツト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(9)項
記載のブラシレスフアンモータ。 〓(11)１１〓 上記ステータヨークに形成した切
欠部は、界磁マグネツトの磁極幅と等しい幅のも
のに形成してなる、実用新案登録請求の範囲第(9
)項または第(10)項記載のブラシレスフアンモー
タ。 〓(12)１２〓 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〓(1
1)１１〓記載のブラシレスフアンモータ。 (13) 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界磁マグネ
ツト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
第(9)項乃至第〓(12)１２〓項いずれかに記載の
ブラシレスフアンモータ。[Claims for Utility Model Registration] (1) In a fan motor having a rotating fan equipped with fins that blow air by rotating, the rotating fan and the rotating shaft fixed thereto are made of resin containing magnetic powder. An integrally formed brushless fan motor. (2) The brushless fan motor according to claim 1, wherein the magnetic powder is iron powder. (3) The brushless fan motor according to claim 1 or 2, wherein the rotating fan is provided with a field magnet on a surface facing the stator armature with an air gap therebetween. (4) The above-mentioned brushless fan motor has a field magnet having a plurality of N and S magnetic poles disposed at a rotating fan position facing a stator armature disposed at a stationary side position facing each other across an air gap. A brushless fan motor according to any one of claims (1) to (3) of the utility model registration. (5) The above-mentioned field magnet is disposed at a rotating fan position facing a stator armature which is disposed at a stationary side position facing through an axial gap. Brushless fan motor described in (4). (6) The brushless fan motor according to any one of claims (1) to (5), wherein the brushless fan motor is a single-phase brushless fan motor. (7) The brushless fan motor according to claim 6, wherein the brushless fan motor is a single-phase disc type brushless fan motor. (8) The above-mentioned single-phase disc type brushless fan motor includes a stator yoke disposed opposite to a field magnet having a plurality of N and S magnetic poles magnetized and formed on a rotating fan with an axial gap in between; One or more air-core armature coils fixed on the stator yoke and arranged in the stator armature installation part of the fan motor, and detecting the magnetic poles of the field magnet to switch and energize the armature coils. The brushless fan motor according to any one of claims (1) to (7), which is a single-phase disc-type brushless fan motor equipped with an electric circuit. (9) In the single-phase disc-type brushless fan motor, the stator yoke is provided with a notch that allows the disc-type brushless fan motor to start itself, as stated in claim (8) of the utility model registration claim. brushless fan motor. (10) The disc-type brushless fan motor is provided with a printed wiring board on the lower surface of the stator yoke, electrical components constituting an energization control circuit on the lower surface of the printed circuit board, and The brushless fan motor according to claim (9) of the utility model registration, wherein a position detection element is disposed on a surface facing the notch and at a position facing the field magnet. (11)11 The notch formed in the stator yoke has a width equal to the magnetic pole width of the field magnet.
The brushless fan motor described in item ) or item (10). 〓(12)１２〓 The notches formed in the stator yoke are formed in two or more locations spaced apart from each other by an even number of magnetic pole widths.
1) Brushless fan motor described in 11〓. (13) The above-mentioned stator yoke has the end of the notch located at a position from the position where the maximum starting torque is obtained to about one-half magnetic pole in the direction of rotation of the field magnet. A brushless fan motor according to any one of paragraphs (9) to (12) of the patent application.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058086U JPS62172260U (en) | 1986-04-17 | 1986-04-17 | |
| KR2019860012838U KR900007269Y1 (en) | 1986-04-17 | 1986-08-23 | Brushless fan motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986058086U JPS62172260U (en) | 1986-04-17 | 1986-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62172260U true JPS62172260U (en) | 1987-10-31 |
Family
ID=30888367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986058086U Pending JPS62172260U (en) | 1986-04-17 | 1986-04-17 |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JPS62172260U (en) |
| KR (1) | KR900007269Y1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040047127A (en) * | 2002-11-29 | 2004-06-05 | 엘지이노텍 주식회사 | Fan motor structure of computer |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6070947A (en) * | 1983-09-26 | 1985-04-22 | Takahashi Yoshiteru | Disk-shaped brushless motor with a position sensor |
-
1986
- 1986-04-17 JP JP1986058086U patent/JPS62172260U/ja active Pending
- 1986-08-23 KR KR2019860012838U patent/KR900007269Y1/en not_active IP Right Cessation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6070947A (en) * | 1983-09-26 | 1985-04-22 | Takahashi Yoshiteru | Disk-shaped brushless motor with a position sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| KR870017417U (en) | 1987-11-30 |
| KR900007269Y1 (en) | 1990-08-11 |
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