JPS6069579U

JPS6069579U - Single-phase disc-type brushless motor with one position sensing element, two armature coils, and a 2p-pole field magnet without a stator yoke.

Info

Publication number: JPS6069579U
Application number: JP16139183U
Authority: JP
Inventors: 平野　紀光
Original assignee: 高橋　義照
Priority date: 1983-10-20
Filing date: 1983-10-20
Publication date: 1985-05-17

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案の一例を示すディスク型ブラシレスファ
ンモータの縦断面図、第２図はディスク型ブラシレスフ
ァンモータ用角型ケースの斜視図、第３図はファン付カ
ップ体の斜視図、第４図は一例として用いた電機子コイ
ルの斜視図、第５、図は本考案第二実施例としての４極
の界磁マグネットの場合におけるステータ電機子の平面
図、第６図は４極の界磁マグネットの下面図、第７図は
４極の界磁マグネットと２個の電機子コイルからなるス
テータ電機子との展開図、第８図は本考案第二実施例と
しての６極の界磁マグネットの場合におけるステータ電
機子の平面図、第９図は６極の界磁マグネットの下面図
、第１０図は本考案第三実施例を示すステータ電機子の
平面図、第１１図は第１０図の場合における６極の界磁
マグネットと２個の電機子コイルからなるステータ電機
子の平面図、第１２図は一例として示す通電制御回路の
具体的例である。ＦＭ・・・・・・ディスク型ブラシレスファンモータ、
１・・・・・・ステータ電機子、２・・・・・・界磁マ
グネット、３・・・・・・プリント基板、４・・・・・
・電機子コイル、５・・・・・・支柱、１５・・・・・
・磁性体からなる螺子、１８・・曲位置検知素子、３４
・・・・・・通電制御回路。Fig. 1 is a longitudinal cross-sectional view of a disk-type brushless fan motor showing an example of the present invention, Fig. 2 is a perspective view of a square case for the disk-type brushless fan motor, Fig. 3 is a perspective view of a cup body with a fan, Figure 4 is a perspective view of an armature coil used as an example, Figure 5 is a plan view of a stator armature in the case of a four-pole field magnet as the second embodiment of the present invention, and Figure 6 is a diagram of a four-pole field magnet. A bottom view of the field magnet, FIG. 7 is a developed view of a stator armature consisting of a four-pole field magnet and two armature coils, and FIG. 8 is a six-pole field magnet as the second embodiment of the present invention. 9 is a bottom view of a six-pole field magnet, FIG. 10 is a plan view of the stator armature showing the third embodiment of the present invention, and FIG. 11 is a plan view of the stator armature in the case of a magnetic magnet. FIG. 10 is a plan view of a stator armature consisting of a six-pole field magnet and two armature coils, and FIG. 12 is a specific example of an energization control circuit shown as an example. FM・・・Disc type brushless fan motor,
1... Stator armature, 2... Field magnet, 3... Printed circuit board, 4...
・Armature coil, 5... Prop, 15...
・Screw made of magnetic material, 18...Bending position detection element, 34
・・・・・・Electrification control circuit.

Claims

[Scope of utility model registration request]

(1) 2p having N and S magnetic poles alternately (p is 1
A field magnet with poles (a positive integer greater than or equal to) is used as a rotor, and the opening angle of the conductor portion contributing to the generated torque at the stationary side position facing the rotor is approximately equal to the magnetic pole width of the field magnet. An armature coil mounting member such as a printed circuit board on which two armature coils wound with a square width are mounted is fixed, and one position detection element is connected to the torque generated by the armature coil. Provided at the armature coil arrangement member position corresponding to the contributing conductor part or at the armature coil arrangement member position that is in a relationship of equal conditions with the conductor part contributing to the generated torque, and facing in the rotation direction of the rotor. In order to eliminate a dead point, a magnetic material that generates coking is placed at a position about a quarter of the width of the magnetic pole from the conductor that contributes to the generated torque.
In a one-phase disc-type brushless motor having one position detection element, two armature coils, and a 2p-pole field magnet, the motor is located at a fixed side position suitable for causing coking. , an armature coil arranging member support body having a screw hole at the upper end is provided, the armature coil arranging member is mounted on the support body, and the armature coil arranging member is attached to a magnetic screw for coking generation. is screwed into the screw hole and supported and fixed to the top surface of the armature coil mounting member support. 1 position sensing element, 2 armature coils and 2
A one-phase disc-type brushless motor with a p-pole field magnet.

(2) The above-mentioned support member for armature coil arrangement is formed by a support vertically extending upward from the above-mentioned disc-type brushless motor body. A one-phase disk-type brushless motor having one position sensing element, two armature coils, and a 2p-pole field magnet without a stator yoke as described in (1) above.

(3) Utility model registration claim No. (2) characterized in that the support strut for armature coil arrangement is made of a non-magnetic material.
) Position sensing element 1 not equipped with a stator yoke as described in item 1
A one-phase disc-type brushless motor with two armature coils and a 2p-pole field magnet.

(4) The field magnet used is a 6-pole one in which N and S magnetic poles are alternately magnetized at equal opening angles, and the upper 1
Utility model registration claim No. (1) characterized in that the two armature coils are arranged 180 degrees symmetrically.
1 position detection element, 2 armature coils, and 2p without a stator yoke according to any of items 1 to 3)
One-phase disc-type brushless motor with field magnets at the poles.

(5) Position detection without a stator yoke according to any one of claims (1) to (5) of the utility model registration claim, wherein the disc-type brushless motor is a disc-type brushless fan motor. A 1-phase disc-type brushless motor with one element, two armature coils, and a 2p-pole field magnet.