JPS6034345B2 - rectifier - Google Patents
rectifierInfo
- Publication number
- JPS6034345B2 JPS6034345B2 JP51027881A JP2788176A JPS6034345B2 JP S6034345 B2 JPS6034345 B2 JP S6034345B2 JP 51027881 A JP51027881 A JP 51027881A JP 2788176 A JP2788176 A JP 2788176A JP S6034345 B2 JPS6034345 B2 JP S6034345B2
- Authority
- JP
- Japan
- Prior art keywords
- commutator
- rectifier
- commutator segment
- brushes
- brush
- 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
Links
Landscapes
- Motor Or Generator Current Collectors (AREA)
Description
【発明の詳細な説明】 この発明は整流装置に関するものである。[Detailed description of the invention] This invention relates to a rectifier.
従来の整流装置を第１図に示す。A conventional rectifier is shown in FIG.
図において、整流子１は整流子セグメント２、スリット
３からなり整流子セグメント２にコイル４の端部が接続
されている。整流子セグメント２には、板ばね刷子５，
６が弾接している。この場合、刷子５，６が第２図に示
すように、整流子セグメント２に片当りして１点穣触状
態になっていると、刷子５，６に作用する分力（向心力
、遠心力）によって刷子５，６が異常振動し、刷子エッ
ジにより整流子セグメント２に凹凸が生ずる。そのため
、整流装置が短寿命となり、かつ大きな電波障害が発生
するという問題があった。したがって、この発明の目的
は、寿命が長くかつ電波障害の少ない整流装置を提供す
ることである。In the figure, a commutator 1 includes a commutator segment 2 and a slit 3, and an end of a coil 4 is connected to the commutator segment 2. The commutator segment 2 includes leaf spring brushes 5,
6 is in ballistic contact. In this case, as shown in FIG. 2, if the brushes 5 and 6 are in one-point contact with the commutator segment 2, component forces (centripetal force, centrifugal force, ), the brushes 5 and 6 vibrate abnormally, and the commutator segment 2 is uneven due to the brush edges. Therefore, there was a problem in that the life of the rectifier was shortened and large radio wave interference occurred. Therefore, an object of the present invention is to provide a rectifying device that has a long life and causes less radio wave interference.
この発明の整流装置の一実施例の平面図を第３図に図し
、そのＷ−Ｗ断面図を第４図に示す。A plan view of an embodiment of the rectifying device of the present invention is shown in FIG. 3, and a cross-sectional view taken along the line W-W is shown in FIG. 4.
すなわち、この整流装置は、第１図の整流子セグメント
２の摺動面に板ばね刷子５，６の回転軌跡と一致する小
凹凸条８を形成している。そのほかの部分は第１図と同
じである。この凹凸条８は、軸穴９を中心として同心円
状にバフ・ラップピング加工によって形成される。この
ように構成したため、第５図に示すように、刷子５，６
が整流子セグメント２に傾斜して弾接しても、整流子セ
グメント２の摺動面に形成された凹凸条８に、刷子５，
６の接触面が多点接触する。That is, in this rectifying device, small unevenness lines 8 are formed on the sliding surface of the commutator segment 2 shown in FIG. Other parts are the same as in Figure 1. The uneven strips 8 are formed concentrically around the shaft hole 9 by buffing and lapping. With this configuration, as shown in FIG.
Even if the brushes 5,
6 contact surfaces make multi-point contact.
その結果、刷子５，６に作用する分力が分割されて刷子
５，６の異常振動が防がれるため、刷子エッジの切削作
用による凹凸の発生がなくなる。第６図はこの発明の他
の実施例の要部すなわち刷子の側面図である。As a result, the force acting on the brushes 5, 6 is divided and abnormal vibrations of the brushes 5, 6 are prevented, thereby eliminating the occurrence of unevenness due to the cutting action of the brush edges. FIG. 6 is a side view of the main part of another embodiment of the present invention, that is, the brush.
この実施例は、刷子５，６の接触面に小凹凸条１０を形
成した以外は第１図と同じである。このように構成した
結果、第７図のように、刷子５，６が整流子セグメント
２に傾斜して弾接しても、刷子５，６の接触面に形成さ
れた小凹凸条１０が整流子セグメント２に多点接触する
ため、刷子エッジの切削作用による整流子セグメント２
の凹凸の発生がなくなる。なお、実施例は、いずれも平
板形整流子を用いた整流装置にこの発明を適用した場合
について述べているが、円筒形整流子を用いた整流装置
にこの発明を適用することもできる。This embodiment is the same as FIG. 1 except that small unevenness stripes 10 are formed on the contact surfaces of the brushes 5 and 6. As a result of this configuration, as shown in FIG. 7, even if the brushes 5 and 6 come into elastic contact with the commutator segment 2 at an angle, the small irregularities 10 formed on the contact surfaces of the brushes 5 and 6 will not interfere with the commutator segment 2. Commutator segment 2 due to the cutting action of the brush edge due to multi-point contact with segment 2
This eliminates the occurrence of unevenness. Although the embodiments describe cases in which the present invention is applied to a rectifier using a flat plate commutator, the present invention can also be applied to a rectifier using a cylindrical commutator.
また、整流子セグメント２および刷子５，６の双方の摺
動面および接触面に凹凸条を形成してもよい。以上のよ
うに、１この発明の整流装置は、板ばね刷子の接触面お
よび整流子セグメントの摺動面の少なくとも一方に、整
流子の回転方向に沿って凹凸条を複数本設けたため、刷
子の異常振動が防がれ、整流子セグメントの摺動面に刷
子エッジの切削作用による凹凸が生じない。Further, uneven lines may be formed on the sliding surfaces and contact surfaces of both the commutator segment 2 and the brushes 5 and 6. As described above, (1) the rectifying device of the present invention has a plurality of uneven stripes provided along the rotational direction of the commutator on at least one of the contact surface of the leaf spring brush and the sliding surface of the commutator segment, so that the brush Abnormal vibrations are prevented, and unevenness due to the cutting action of the brush edge does not occur on the sliding surface of the commutator segment.
そのため、整流装置が長寿命となりかつ電波障害が少な
くなる。また、刷子の追従性がよくなって刷子と整流子
セグメントとの接触抵抗が安定になる。Therefore, the life of the rectifier is extended and radio wave interference is reduced. Further, the followability of the brush is improved, and the contact resistance between the brush and the commutator segments is stabilized.
第１図は従来例の平面図、第２図はその欠点を説明する
断面図、第３図はこの発明の一実施例の平面図、第４図
は第３図のＷ−Ｎ断面図、第５図は第３図の整流装置の
効果を説明するための断面図、第６図はこの発明の他の
実施例の要部側面図、第７図は第６図の整流装置の効果
を説明するための断面図である。
２…整流子セグメント、５，６・・・板ばね刷子、８・
・・小凹凸条。
第１図
第２図
第３図
第４図
第５図
第６図
第７図FIG. 1 is a plan view of the conventional example, FIG. 2 is a sectional view illustrating its drawbacks, FIG. 3 is a plan view of an embodiment of the present invention, and FIG. 4 is a sectional view taken along the line W-N in FIG. FIG. 5 is a sectional view for explaining the effect of the rectifier shown in FIG. 3, FIG. 6 is a side view of a main part of another embodiment of the present invention, and FIG. 7 is a sectional view for explaining the effect of the rectifier shown in FIG. 6. It is a sectional view for explanation. 2... Commutator segment, 5, 6... Leaf spring brush, 8.
...Small unevenness. Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7
Claims (1)
面の少なくとも一方に、整流子の回転方向に沿つて小凹
凸条を複数本設けたことを特徴とする整流装置。1. A rectifying device characterized in that a plurality of small uneven stripes are provided on at least one of the contact surface of the leaf spring brush and the sliding surface of the commutator segment along the rotational direction of the commutator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51027881A JPS6034345B2 (en) | 1976-03-15 | 1976-03-15 | rectifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP51027881A JPS6034345B2 (en) | 1976-03-15 | 1976-03-15 | rectifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS52110406A JPS52110406A (en) | 1977-09-16 |
| JPS6034345B2 true JPS6034345B2 (en) | 1985-08-08 |
Family
ID=12233222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51027881A Expired JPS6034345B2 (en) | 1976-03-15 | 1976-03-15 | rectifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6034345B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61295841A (en) * | 1985-06-25 | 1986-12-26 | Sankyo Seiki Mfg Co Ltd | Rectifier of small-sized motor |
-
1976
- 1976-03-15 JP JP51027881A patent/JPS6034345B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS52110406A (en) | 1977-09-16 |
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