JPH0480622B2 - - Google Patents
Info
- Publication number
- JPH0480622B2 JPH0480622B2 JP60222091A JP22209185A JPH0480622B2 JP H0480622 B2 JPH0480622 B2 JP H0480622B2 JP 60222091 A JP60222091 A JP 60222091A JP 22209185 A JP22209185 A JP 22209185A JP H0480622 B2 JPH0480622 B2 JP H0480622B2
- Authority
- JP
- Japan
- Prior art keywords
- pole
- dimension
- yoke
- field coil
- pole body
- 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.)
- Expired - Lifetime
Links
Landscapes
- Iron Core Of Rotating Electric Machines (AREA)
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は回転電機の磁気回路のスペースフアク
タを向上するためのポール胴部の形状に関するも
のである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the shape of a pole body for improving the space factor of a magnetic circuit of a rotating electric machine.
従来の回転電機用固定子を第５図に示す。第５
図において、１はポール、１ａはポール胴部、１
ｂはポールチツプ、１ｃはポール１の上面のほぼ
中央部に設けられた突起であるポール打ち出し
部、２は相隣り合うポール間の磁路を構成するた
めのヨーク、２ａは磁極数に応じたほぼ等ピツチ
の間隔で円筒状のヨーク２に設けられたポール固
定用穴、３は界磁の起磁力を出すためのフイール
ドコイルであり、フイールドコイル３は、所定の
回数だけ平角線を巻回した後、ほぼヨーク２の内
面に沿うように曲げ加工されている。
A conventional stator for a rotating electric machine is shown in FIG. Fifth
In the figure, 1 is the pole, 1a is the pole body, 1
b is a pole chip, 1c is a pole protrusion that is a protrusion provided approximately at the center of the upper surface of pole 1, 2 is a yoke for configuring a magnetic path between adjacent poles, and 2a is a pole approximately corresponding to the number of magnetic poles. The pole fixing holes 3 are provided in the cylindrical yoke 2 at regular intervals, and the field coil 3 is a field coil for generating the magnetomotive force of the field.The field coil 3 is made by winding a rectangular wire a predetermined number of times. After that, it is bent so as to almost follow the inner surface of the yoke 2.
次に組みつけ方法について説明する。ポール１
は、予め巻回して構成されたフイールドコイル３
をポール胴部１ａに挿入した後、ヨーク２に組み
つけられる。ポール１とヨーク２の組みつけは、
ポール打ち出し部１ｃをヨーク２のポール固定用
穴２ａに入れた後にポール打ち出し部１ｃを押圧
変形することにより、ヨーク２にフイールドコイ
ル３と共に固定される。また、フイールドコイル
３の組みつけ時、フイールドコイル間のわたり線
長さのバラツキ等によつて、フイールドコイル３
が組みつけられないという問題をなくすために、
一般には、フイールドコイル３のポールチツプ側
の内側寸法W3はポール胴部１ａのポールチツプ
側の寸法W1より大きくつくられている。すなわ
ち、寸法W3＞寸法W1となつている。。フイール
ドコイル３の平角線はヨーク２の中心方向に向か
つているので、当然、フイールドコイル３のヨー
ク側の内側寸法Ｗ４は寸法Ｗ３より大きい。すな
わち、寸法W4＞寸法W3となつている。 Next, the assembly method will be explained. Paul 1
is a field coil 3 configured by winding in advance.
is inserted into the pole body 1a, and then assembled to the yoke 2. Assembling pole 1 and yoke 2,
After the pole projecting portion 1c is inserted into the pole fixing hole 2a of the yoke 2, the pole projecting portion 1c is pressed and deformed to be fixed to the yoke 2 together with the field coil 3. In addition, when assembling the field coil 3, due to variations in the length of the crossover wire between the field coils, etc.
In order to eliminate the problem of not being able to assemble,
Generally, the inner dimension W3 of the field coil 3 on the pole tip side is made larger than the dimension W1 of the pole body 1a on the pole tip side. That is, dimension W3>dimension W1. . Since the rectangular wire of the field coil 3 is directed toward the center of the yoke 2, the inner dimension W4 of the field coil 3 on the yoke side is naturally larger than the dimension W3. That is, dimension W4>dimension W3.
従来のポール１は、冷鍛で作るため、寸法W2
＜寸法W1となつている。またフイールドコイル
３は、平角線であるため、ほぼラジアル方向すな
わちヨーク２の中心方向に向かつて並んでいる。
このため、ポール胴部１ａとフイールドコイル３
の内側には空間ができ、スペースフアクタが下が
るという欠点があつた。また磁路は第５図の破線
で示すようになり、ヨーク２からポール１へ入る
のにポール付根付近で遠回りする必要があり、磁
路が長くなり、磁気回路の効率が悪いという欠点
があつた。
Conventional pole 1 is made by cold forging, so the dimension W2
<Dimensions are W1. Further, since the field coils 3 are rectangular wires, they are arranged in a substantially radial direction, that is, toward the center of the yoke 2.
For this reason, the pole body 1a and the field coil 3
The disadvantage was that a space was created inside the , which lowered the space factor. In addition, the magnetic path becomes as shown by the broken line in Figure 5, and it is necessary to take a long detour near the base of the pole to enter from the yoke 2 to the pole 1, resulting in a long magnetic path and a disadvantage that the efficiency of the magnetic circuit is poor. Ta.
本発明はこのような点に鑑みてなされたもので
あり、その目的とするところは、回転電機のスペ
ースフアクタを向上すると共に、磁気回路を短く
し、かつ、磁気回路断面積を増やすことで、磁気
回路の効率（起磁力に対する磁束量の比）を良く
することにある。 The present invention has been made in view of these points, and its purpose is to improve the space factor of rotating electric machines, shorten the magnetic circuit, and increase the cross-sectional area of the magnetic circuit. The objective is to improve the efficiency of the magnetic circuit (the ratio of magnetic flux to magnetomotive force).
このような目的を達成するために本発明は、ポ
ール胴部のヨーク側幅W2とポール胴部のポール
チツプ側幅W1との関係をW2≧W1とし、ポール
胴部に、そのヨーク側の両側面を平行にしたスト
レート部を設けるようにしたものである。
In order to achieve such an object, the present invention sets the relationship between the width W2 of the yoke side of the pole body and the width W1 of the pole tip side of the pole body to be W2≧W1, and provides the pole body with both sides of the yoke side. A straight part is provided in which the parts are parallel to each other.
本発明においては、磁路が短くなり、磁気回路
の効率が向上する。
In the present invention, the magnetic path is shortened and the efficiency of the magnetic circuit is improved.
本発明に係わる回転電機用固定子の一実施例を
第１図に示す。第１図において第５図と同一部分
又は相当部分には同一符号を付してある。同図に
おいては、寸法W1，W2，W3は次の関係にある。
An embodiment of a stator for a rotating electric machine according to the present invention is shown in FIG. In FIG. 1, the same or equivalent parts as in FIG. 5 are given the same reference numerals. In the figure, dimensions W1, W2, and W3 have the following relationship.
寸法W3≧W2≧W1
また、第２図に示すように、ポール胴部１ａ
は、ヨーク側の側面に両側面が平行となるストレ
ート部１ｄを有し、ストレート部１ｄの長さL1
≧０となるようになつている。 Dimension W3≧W2≧W1 In addition, as shown in Fig. 2, the pole body 1a
has a straight portion 1d with both side surfaces parallel to the side surface on the yoke side, and the length of the straight portion 1d is L1.
≧0.
次にポール１の製造方法について説明する。ま
ず、従来と同様の方法により、第２図に示すよう
な寸法W2＜寸法W1となるポール１ｅが冷鍛で作
られる。その後、第２図に示すように、下型４，
スライド型５ａ，５ｂ，上型６の中にポール１ｅ
をおいて、上型６で押圧することにより、寸法
W2≧寸法W1とする。この時、ポール１の上面に
は、第３図に示すようなポール打ち出し部１ｃが
作られる。フイールドコイル３の内側幅の寸法
W3は、寸法W3≧寸法W2として作られているの
で、従来と同様の組みつけにより、ヨーク２にポ
ール１とフイールドコイル３が固定される。ただ
し、ポール１の固定は、従来は、ポール打ち出し
部の押圧変形のカシメによつていたが、ポール打
ち出し部をプロジエクシヨン溶接して固定しても
よい。上記のようにして作られたポール１におい
ては、上型６のスライド量のバラツキを吸収する
ため、ポール胴部１ａの両側面に第２図，第３図
に示すようなストレート部１ｄが作られる。 Next, a method for manufacturing the pole 1 will be explained. First, a pole 1e with dimension W2<dimension W1 as shown in FIG. 2 is produced by cold forging using a method similar to the conventional method. After that, as shown in FIG. 2, the lower mold 4,
Slide mold 5a, 5b, pole 1e in upper mold 6
By pressing with the upper mold 6, the dimensions
W2≧dimension W1. At this time, a pole projecting portion 1c as shown in FIG. 3 is formed on the upper surface of the pole 1. Inner width dimension of field coil 3
Since W3 is made such that dimension W3≧dimension W2, the pole 1 and the field coil 3 are fixed to the yoke 2 by assembling the same as in the conventional method. However, although the pole 1 has conventionally been fixed by caulking by pressing and deforming the pole projecting portion, the pole projecting portion may be fixed by projection welding. In the pole 1 made as described above, straight parts 1d as shown in FIGS. 2 and 3 are formed on both sides of the pole body 1a in order to absorb variations in the sliding amount of the upper die 6. It will be done.
上記実施例では、ポール１の上面を押圧するこ
とで、寸法W2＞寸法W1としたが、第４図に示す
ように、押出しで寸法W2＞寸法W1とした後、ポ
ール１の上面にポール打ち出し部１ｃを作つても
よい。また、フイードコイル３の内側幅寸法W3
＞W2としたが、ポール１に組みつける前はヨー
ク２の内面に沿つた曲げ加工をせずに図示しない
巻枠で巻いたままとし、又は、ヨーク２の内面半
径より大きい半径で成型し、寸法W3＞寸法W2と
してポール１をヨーク２に組みつけることによ
り、寸法W3＜寸法W2となるようにしてもよい。 In the above embodiment, the upper surface of the pole 1 is pressed to make the dimension W2 > the dimension W1, but as shown in FIG. A section 1c may also be made. Also, the inner width dimension W3 of feed coil 3
>W2, but before assembly to pole 1, do not bend along the inner surface of yoke 2 and leave it wound with a winding frame (not shown), or mold it with a radius larger than the inner radius of yoke 2, By assembling the pole 1 to the yoke 2 so that dimension W3>dimension W2, dimension W3<dimension W2 may be satisfied.
以上説明したように本発明は、ポール胴部のヨ
ーク側幅W2とポール胴部のポールチツプ側幅W1
との関係をW2≧W1とし、ポール胴部に、そのヨ
ーク側の両側面を平行にしたストレート部を設け
ることにより、ポール胴部とフイールドコイルの
内側の空間を小さくするることができるので、従
来と比べて、スペースフアクタが向上し、磁路が
短くなり、磁気回路の効率が増加するとともに、
製造時に上型のスライド量のバラツキを吸収する
ことができる等の効果がある。
As explained above, the present invention has the following advantages: the yoke side width W2 of the pole body and the pole tip side width W1 of the pole body.
By setting the relationship W2≧W1 and providing the pole body with a straight part with both sides on the yoke side parallel to each other, the space inside the pole body and the field coil can be reduced. Compared to the conventional method, the space factor is improved, the magnetic path is shortened, and the efficiency of the magnetic circuit is increased.
This has the effect of being able to absorb variations in the sliding amount of the upper die during manufacturing.
第１図は本発明に係わる回転電機用固定子の一
実施例を示す断面図、第２図はその製造方法の一
実施例を説明するための断面図、第３図は本装置
を構成するポールを示す斜視図、第４図は本装置
の製造方法の他の実施例を説明するための斜視
図、第５図は従来の回転電機用固定子を示す断面
図である。
１…ポール、１ａ…ポール胴部、１ｂ…ポール
チツプ、１ｃ…ポール打ち出し部、１ｄ…ストレ
ート部、２…ヨーク、２ａ…ポール固定用穴。
Fig. 1 is a sectional view showing an embodiment of a stator for a rotating electrical machine according to the present invention, Fig. 2 is a sectional view illustrating an embodiment of the manufacturing method thereof, and Fig. 3 is a sectional view illustrating an embodiment of the stator for a rotating electric machine according to the present invention. FIG. 4 is a perspective view showing a pole, FIG. 4 is a perspective view for explaining another embodiment of the manufacturing method of this device, and FIG. 5 is a sectional view showing a conventional stator for a rotating electric machine. 1...Pole, 1a...Pole body, 1b...Pole tip, 1c...Pole punching part, 1d...Straight part, 2...Yoke, 2a...Pole fixing hole.
Claims (1)
ポールチツプ側幅W1との関係をW2≧W1とし、
前記ポール胴部にそのヨーク側の両側面を平行に
したストレート部を備えたことを特徴とする回転
電機用固定子。1 The relationship between the yoke side width W2 of the pole body and the pole tip side width W1 of the pole body is W2≧W1,
A stator for a rotating electric machine, characterized in that the pole body is provided with a straight part having both side surfaces on the yoke side parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22209185A JPS6281944A (en) | 1985-10-04 | 1985-10-04 | Stator for rotating electric machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22209185A JPS6281944A (en) | 1985-10-04 | 1985-10-04 | Stator for rotating electric machines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6281944A JPS6281944A (en) | 1987-04-15 |
| JPH0480622B2 true JPH0480622B2 (en) | 1992-12-21 |
Family
ID=16776983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22209185A Granted JPS6281944A (en) | 1985-10-04 | 1985-10-04 | Stator for rotating electric machines |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6281944A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7211920B2 (en) | 2003-09-05 | 2007-05-01 | Black & Decker Inc. | Field assemblies having pole pieces with axial lengths less than an axial length of a back iron portion and methods of making same |
| US7205696B2 (en) | 2003-09-05 | 2007-04-17 | Black & Decker Inc. | Field assemblies having pole pieces with ends that decrease in width, and methods of making same |
| US7078843B2 (en) | 2003-09-05 | 2006-07-18 | Black & Decker Inc. | Field assemblies and methods of making same |
| US7233091B2 (en) | 2003-09-05 | 2007-06-19 | Black & Decker Inc. | Electric motor with field assemblies having core pieces with mating features |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58156374U (en) * | 1982-04-13 | 1983-10-19 | 三菱電機株式会社 | DC machine field device |
-
1985
- 1985-10-04 JP JP22209185A patent/JPS6281944A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6281944A (en) | 1987-04-15 |
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