JPH03265448A - Stator core for bipolar single-phase induction motor - Google Patents
Stator core for bipolar single-phase induction motorInfo
- Publication number
- JPH03265448A JPH03265448A JP6322890A JP6322890A JPH03265448A JP H03265448 A JPH03265448 A JP H03265448A JP 6322890 A JP6322890 A JP 6322890A JP 6322890 A JP6322890 A JP 6322890A JP H03265448 A JPH03265448 A JP H03265448A
- Authority
- JP
- Japan
- Prior art keywords
- slot
- slots
- stator core
- types
- sectional areas
- 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
- 230000006698 induction Effects 0.000 title claims description 4
- 238000004804 winding Methods 0.000 abstract description 14
- 230000037431 insertion Effects 0.000 description 14
- 238000003780 insertion Methods 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910000576 Laminated steel Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Induction Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、２極単相誘導電動機（以下、電動機とする）
の固定子鉄心に関するものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a two-pole single-phase induction motor (hereinafter referred to as an electric motor).
This relates to the stator core of.
従来の技術
従来の電動機の固定子は、あるコア形状に打抜かれた鋼
板を積層して構成された固定子鉄心のスロット内に、主
コイルと補助コイルを、同心巻状態で挿入配置し製作し
ている。また、その主コイルと補助コイルの機械的角度
（以下巻線挿入角度とする）は、必要とされる特性に応
じて９０度及び９０度以外（通常は１スロット分ずらす
場合が多い）の挿入角度で巻線されており、最近は同等
材料コストで始動及び停動トルクを増加できる等、特性
的に有利である９０度以外の挿入角度の物が多（なって
いる。Conventional technology The stator of a conventional electric motor is manufactured by inserting and arranging a main coil and an auxiliary coil in a concentric manner into slots in a stator core, which is made up of laminated steel plates punched into a certain core shape. ing. In addition, the mechanical angle between the main coil and the auxiliary coil (hereinafter referred to as the winding insertion angle) may be 90 degrees or other than 90 degrees (usually offset by one slot) depending on the required characteristics. The wires are wound at an angle, and recently there are many wires with insertion angles other than 90 degrees, which have advantageous characteristics such as increasing starting and stopping torque at the same material cost.
以下図面を参照しながら、」−述した従来の電動機の固
定子の一例について説明する。An example of the conventional electric motor stator mentioned above will be described below with reference to the drawings.
第２図は巻線挿入角度９０度の場合のコイル挿入位置を
示し、第３図は９０度以外の場合のコイル挿入位置の一
例を示している。FIG. 2 shows the coil insertion position when the winding insertion angle is 90 degrees, and FIG. 3 shows an example of the coil insertion position when the winding insertion angle is other than 90 degrees.
第３図、第４図において、ｂは主コイル、Ｃは補助コイ
ルである。ただし、ｂとＣが逆であっても、特に問題は
ない。また、１〜１２の数字は、スロット嵐を示す。In FIGS. 3 and 4, b is the main coil and C is the auxiliary coil. However, there is no particular problem even if b and C are reversed. Further, numbers 1 to 12 indicate slot storms.
第４図は従来の固定子鉄心の一例を示しており、スロッ
ト断面積は、全て同一面積であるか、または２種類以上
のスロット断面積を有していても、そのスロットの配Ｉ
は、対称軸を持っている。Figure 4 shows an example of a conventional stator core, and even if the slot cross-sectional areas are all the same area or have two or more types of slot cross-sectional areas, the slot arrangement I
has an axis of symmetry.
次に、実際の巻線例にて、スロット内の巻数状態を説明
する。Next, the state of the number of turns in the slot will be explained using an actual winding example.
主コイル及び補助コイルの巻数を、大枠からそれぞれ、
５Ｏ−４０−３０−２Ｃ１ｌ−１０及び５０４０−３０
−２０ターンとすると、９０度の場合は第２図において
、
となり、各スロット内の巻数はほぼ平均化され、かつ、
対称軸を持って分布しているが９０度以外の場合は第３
図において、
となり、スロット内の巻数に大きな差が生じ、かつその
分布は対称軸を持たない状態であった。The number of turns of the main coil and auxiliary coil is determined from the general outline, respectively.
5O-40-30-2C1l-10 and 5040-30
-20 turns, in the case of 90 degrees, in Figure 2, the number of turns in each slot is approximately averaged, and
If the distribution has an axis of symmetry but is not 90 degrees, the third
In the figure, there was a large difference in the number of turns in the slot, and the distribution did not have an axis of symmetry.
発明が解決しようとする課題
従って、スロット断面積が、全て同一面積であルカマた
は、２種類具」二のスロット断面積を有していても、そ
のスロットの配置が対称軸を持っている場合スト１ツト
内の巻数に大きな差が生じ、その結果として、各スロッ
トでの巻線占積率に、大きな差が生じるという課題を有
していた。Problem to be Solved by the Invention Therefore, even if the slot cross-sectional areas are all the same area and have two different slot cross-sectional areas, the arrangement of the slots has an axis of symmetry. In this case, there is a problem in that there is a large difference in the number of turns in one slot, and as a result, there is a large difference in the winding space factor in each slot.
従って、従来のコア形状では９０度以外の巻線挿入角度
の場合、スロット断面積に無駄を生じるこ七となり、特
性を悪化させる原因となっていた。Therefore, in the conventional core shape, if the winding insertion angle is other than 90 degrees, the cross-sectional area of the slot is wasted, which causes deterioration of the characteristics.
本発明は上記課題に鑑み、巻線挿入角度が９０度以外の
電動機において、スロット断面積を有効に活用し特性改
善を図った。２極単相誘導電動機を提供するものである
。In view of the above-mentioned problems, the present invention aims to improve the characteristics of a motor in which the winding insertion angle is other than 90 degrees by effectively utilizing the slot cross-sectional area. A two-pole single-phase induction motor is provided.
課題を解決するための手段
上記問題点を解決するために、本発明の電動機の固定子
鉄心は、３種類以上の断面積を持つ、複数箇のスロット
群を有し、かつ、そのスロット群の配置が対称軸を持た
ないという構成を備えｔ：ものである。Means for Solving the Problems In order to solve the above problems, the stator core of the electric motor of the present invention has a plurality of slot groups having three or more types of cross-sectional areas, and It has a configuration in which the arrangement does not have an axis of symmetry.
作用
本発明は、上記した構成によってスロット内スペースフ
ァクタが均一となり、かつ、スロット断面積を有効に利
用でき、特性改善が図れる。According to the present invention, the space factor within the slot can be made uniform by the above-described configuration, and the cross-sectional area of the slot can be used effectively, thereby improving the characteristics.
実施例
以下、本発明の実施例について図面を参照しながら説明
する。EXAMPLES Hereinafter, examples of the present invention will be described with reference to the drawings.
第１図は、本発明の電動機の固定子鉄心を示すものであ
る。第１図において、１〜１２はスロット内を示し、入
〜Ｃはスロットの種類を示すものである。スロット囚；
、■、■１はその順番でスロット断面積が大きくスロッ
トへ、■、Ｃ）の配置は対称軸を持たない。尚、第１図
てはスロットの種類は３種類であるが、３種類以上であ
っても問題はない。FIG. 1 shows a stator core of an electric motor according to the present invention. In FIG. 1, 1 to 12 indicate the inside of the slot, and ENTER to C indicate the type of slot. slot prisoner;
, ■, ■1 have a large slot cross-sectional area in that order, and the arrangement of ■ and C) does not have an axis of symmetry. Although there are three types of slots in FIG. 1, there is no problem even if there are three or more types.
以上の様に３種類以上の断面積を持ち、かつそのスロッ
トの配置は対称軸を持たないことにより、巻線挿入角度
が９０度以外の巻線を行った場合の、スロット断面積の
無駄を抑えることができ、電動機の特性を改善させるこ
とができる。As mentioned above, by having three or more types of cross-sectional areas and having no axis of symmetry for the slot arrangement, the slot cross-sectional area is wasted when winding is performed with a winding insertion angle other than 90 degrees. This can improve the characteristics of the electric motor.
発明の効果
以上のように本発明は、主コイルと補助コイルの巻線挿
入角度が９０度以外の電動機の固定子において、３種類
以上の断面積を持つスロ・ソトを有し、かつ、そのスロ
ットの配置が対称軸を持たない鉄心とすることにより、
スロ・ソト内スペースファクタが均一となり、巻線作業
性の改善が図れるとともに、スロット断面積を有効に利
用することにより、電動機の特性を改善することができ
る。Effects of the Invention As described above, the present invention provides a stator for an electric motor in which the winding insertion angle of the main coil and the auxiliary coil is other than 90 degrees, which has slots and slots with three or more types of cross-sectional areas; By arranging the slots in an iron core that does not have an axis of symmetry,
The space factor within the slot and slot becomes uniform, improving the winding workability, and by effectively utilizing the slot cross-sectional area, the characteristics of the motor can be improved.
第１図は本発明の一実施例における電動機の固定子鉄心
の説明図、第２図は巻線挿入角度が９０度の場合のコイ
ル挿入位置を説明する図、第３図は巻線挿入角度が９０
度以外の場合のコイル挿入位置の一例を示す図、第４図
は従来の固定子鉄板の平面図である。
ａ・・・・・・スロット、ｂ・・・・・・主コイル、Ｃ
・・・・・・補助コイル、１〜１２・・・・・・スロッ
ト隅、■〜◎・・・・・・スロットの種類。
第
１
図
第
図
−−
スロ、ｖ）−
〜１２
スＯ，，７ＦＮ。
第
図Fig. 1 is an explanatory diagram of the stator core of a motor in an embodiment of the present invention, Fig. 2 is a diagram illustrating the coil insertion position when the winding insertion angle is 90 degrees, and Fig. 3 is a diagram illustrating the winding insertion angle. is 90
FIG. 4 is a plan view of a conventional stator iron plate, which shows an example of the coil insertion position in cases other than the above. a...Slot, b...Main coil, C
...Auxiliary coil, 1~12...Slot corner, ■~◎...Slot type. Figure 1 - Thro, v) - ~12 SuO,,7FN. Diagram
Claims (1)
し、かつ、そのスロット群の配置が対称軸を持たないこ
とを特徴とする２極単相誘導電動機の固定子鉄心。A stator core for a two-pole single-phase induction motor, characterized in that it has a plurality of slot groups having three or more types of cross-sectional areas, and the arrangement of the slot groups does not have a symmetry axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6322890A JPH03265448A (en) | 1990-03-14 | 1990-03-14 | Stator core for bipolar single-phase induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6322890A JPH03265448A (en) | 1990-03-14 | 1990-03-14 | Stator core for bipolar single-phase induction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03265448A true JPH03265448A (en) | 1991-11-26 |
Family
ID=13223143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6322890A Pending JPH03265448A (en) | 1990-03-14 | 1990-03-14 | Stator core for bipolar single-phase induction motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03265448A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020030130A (en) * | 2000-10-16 | 2002-04-24 | 이우선 | Double slot structure of small pump motor's stator |
| JPWO2007116431A1 (en) * | 2006-03-30 | 2009-08-20 | 三菱電機株式会社 | Single-phase motor and hermetic compressor |
| JP2011167052A (en) * | 2010-01-14 | 2011-08-25 | Mitsubishi Electric Corp | Single-phase induction motor for compressor, compressor, and refrigeration-cycling device |
| CN104967269A (en) * | 2015-06-01 | 2015-10-07 | 广东威灵电机制造有限公司 | Washing machine and motor for the washing machine |
-
1990
- 1990-03-14 JP JP6322890A patent/JPH03265448A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020030130A (en) * | 2000-10-16 | 2002-04-24 | 이우선 | Double slot structure of small pump motor's stator |
| JPWO2007116431A1 (en) * | 2006-03-30 | 2009-08-20 | 三菱電機株式会社 | Single-phase motor and hermetic compressor |
| US8022588B2 (en) | 2006-03-30 | 2011-09-20 | Mitsubishi Electric Corporation | Single-phase 2-pole electric motor in which main windings and auxiliary windings are mutually offset by other than 90 degrees and mounted in different size slots |
| JP2011167052A (en) * | 2010-01-14 | 2011-08-25 | Mitsubishi Electric Corp | Single-phase induction motor for compressor, compressor, and refrigeration-cycling device |
| CN104967269A (en) * | 2015-06-01 | 2015-10-07 | 广东威灵电机制造有限公司 | Washing machine and motor for the washing machine |
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