JPS61196741A - Rotational frequency detector for motor - Google Patents
Rotational frequency detector for motorInfo
- Publication number
- JPS61196741A JPS61196741A JP60036798A JP3679885A JPS61196741A JP S61196741 A JPS61196741 A JP S61196741A JP 60036798 A JP60036798 A JP 60036798A JP 3679885 A JP3679885 A JP 3679885A JP S61196741 A JPS61196741 A JP S61196741A
- Authority
- JP
- Japan
- Prior art keywords
- generator
- motor
- armature winding
- winding
- electric motor
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
- H02K23/26—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings
- H02K23/36—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors characterised by the armature windings having two or more windings; having two or more commutators; having two or more stators
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/20—Structural association with auxiliary dynamo-electric machines, e.g. with electric starter motors or exciters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は電動機の回転数を検出する電動機の回転数検出
装置に関し、例えば電動式パワーステアリング装置に用
いて好適なものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a motor rotation speed detection device for detecting the rotation speed of an electric motor, and is suitable for use in, for example, an electric power steering device.
（従来の技術）
従来の電動機の回転数検出装置としては、例えば、電動
機とは別個に電動機の回転軸に設けられた発電機（タコ
ジェネレータ）を用いたものがある。(Prior Art) As a conventional electric motor rotation speed detection device, for example, there is one that uses a generator (tacho generator) provided on the rotating shaft of the electric motor separately from the electric motor.
（発明が解決しようとする問題点）
ところが、上記従来の回転数検出装置においては、回転
軸に電動機と発電機とが別個に取付けられた構造となっ
ていたため、電動機の他に発電機の取付はスペースが必
要となり大形化するとともに、部品点数が増加しコスト
高となる問題があった。(Problem to be Solved by the Invention) However, in the conventional rotation speed detection device described above, the electric motor and the generator are separately attached to the rotating shaft, so it is difficult to attach the generator in addition to the electric motor. The problem is that it requires space and is large in size, and the number of parts increases, resulting in high costs.
（発明の目的）
そこで本発明では、電動機内部に発電機を組込むことに
より上記問題点を解決することを目的とする。(Objective of the Invention) Therefore, an object of the present invention is to solve the above-mentioned problems by incorporating a generator inside the electric motor.
（問題点の解決手段）
本発明は、電動機用の電機子巻線と発電機用の電機子巻
線とを回転軸の外周に重ね巻きし、発電機用の電機子巻
線に接続される出力手段を設けたことをその構成とする
ものである。(Means for Solving Problems) The present invention involves winding an armature winding for an electric motor and an armature winding for a generator overlappingly around the outer periphery of a rotating shaft, and connecting the armature winding to the armature winding for a generator. The configuration is that an output means is provided.
（実施例）
以下に本発明の好適な一実施例を添付図面に基づいて説
明する。(Embodiment) A preferred embodiment of the present invention will be described below based on the accompanying drawings.
本実施例の電動機の回転数検出装置は、第１図に縦断面
で示すように、回転軸（１）が軸受（２）と（３）を介
してブラケット（４）と（５）に回動自在に支承され、
ブラケッ） （４，５）には筒状のステータ（６）がボ
ルト（７）により一体的に固着されており、ステータ（
６）の内面には少なくとも一対の磁石（８）が固着され
ている。回転軸（１）の外周にはスキュー溝を有する電
機子鉄心（９）が固着され、各スキュー溝には電動機用
の電機子巻線（１０）が配設されている。さらに各スキ
ュー溝内の電動機用の電機子巻線（１０）の」二部（外
周）には、発電機用の電機子巻線（１１）が配設され、
電動機用および発電機用の電機子巻線（１０）と（１１
）が二層にして配設されている。また、これらの電機子
巻線（１０）および（１１）の両端側に位置する回転軸
（１）の外周には、第１整流子（１２）および第２整流
子（１３）がそれぞれ絶縁部材（１４）を介して固着さ
れており、第１整流子（１２）には電動機用の電機子巻
線（ｌＯ）が接続される一方、第２整流子（１３）には
発電機用の電機子巻線（１１）が接続されている。さら
に、ブラケット（５）に固着されたブラシホルタ（１５
）にはブラシ（１６）が収納され、このブラシ（１６）
はブラシホルダ（１５）内のスプリング（１７）により
その先端面が第１整流子（１２）に圧接するよう伺勢さ
れている。また、ブラケット（４）に固着されたブラシ
ホルダ（１８）にはブラシ（１９）が収納され、このブ
ラシ（１９）はブラシホルダ（１８）内のスプリング（
２０）によりその先端面が第２整流子（１３）に圧接す
るよう付勢されている。尚、ブラシホルダ（１８）、ブ
ラシ（１８）、スプリング（２０）および第２整流子（
１３）により出力手段を構成している。各ブラシ（１６
）および（１９）にはリード線（２１，２２）が接続さ
れ、これらのり一ド１（２１，２２）はステータ（６）
の外部に取出されている。電動機用の電機子巻線（ｌＯ
）に接続されるリード線（２１）は電動機駆動手段（図
示省略）に接続され、発電機用の電機子巻線（１１）に
接続されるリード線（２２）は回転数制御手段（図示省
略）に接ｔｈｉ！ｔｓ’れている。したがって、電動機
が磁石（８）、電機子巻線（１０）、第１整流子（１２
）およびブラシ（１６）により構成され、９．電機が磁
石（８）、電機ｒ−巻線（１１）、第２ ’Ｐ流ｒ（１
３）オヨＵ フｙ シ（１８）ニヨり構成されるため、
従来に比へ部品点数が減少し、これにイｔって製造コス
Ｉ・の低減を図ることができるとともに、小形化を図る
ことができる。In the motor rotation speed detection device of this embodiment, as shown in the longitudinal cross section in FIG. Supported for free movement,
A cylindrical stator (6) is integrally fixed to the brackets (4, 5) with bolts (7), and the stator (4, 5)
At least one pair of magnets (8) are fixed to the inner surface of the magnet (6). An armature core (9) having skew grooves is fixed to the outer periphery of the rotating shaft (1), and an armature winding (10) for a motor is disposed in each skew groove. Furthermore, the armature winding (11) for the generator is arranged on the second part (outer periphery) of the armature winding (10) for the motor in each skew groove,
Armature windings (10) and (11) for motors and generators
) are arranged in two layers. Furthermore, a first commutator (12) and a second commutator (13) are each provided with an insulating member on the outer periphery of the rotating shaft (1) located at both ends of these armature windings (10) and (11). (14), and the first commutator (12) is connected to the armature winding (lO) for the electric motor, while the second commutator (13) is connected to the electric motor for the generator. A child winding (11) is connected. Further, a brush holder (15) fixed to the bracket (5) is provided.
) stores a brush (16), and this brush (16)
is biased by a spring (17) in the brush holder (15) so that its tip surface comes into pressure contact with the first commutator (12). Further, a brush (19) is housed in a brush holder (18) fixed to the bracket (4), and this brush (19) is attached to a spring (
20), the distal end surface is urged to come into pressure contact with the second commutator (13). In addition, the brush holder (18), the brush (18), the spring (20) and the second commutator (
13) constitutes an output means. Each brush (16
) and (19) are connected to lead wires (21, 22), and these leads 1 (21, 22) are connected to the stator (6).
It is taken out to the outside. Armature winding for electric motor (lO
) is connected to the motor drive means (not shown), and the lead wire (22) connected to the armature winding (11) for the generator is connected to the rotation speed control means (not shown). ) to contact thi! ts' has been. Therefore, the motor includes the magnet (8), the armature winding (10), the first commutator (12)
) and a brush (16), 9. The electric machine has a magnet (8), an electric machine r-winding (11), and a second 'P current r (1
3) Oyo U Fuy shi (18) Because it is composed of niyo,
The number of parts is reduced compared to the conventional one, which makes it possible to reduce the manufacturing cost and also to downsize the device.
このような回転数検出装置においては、リード線（２１
）を通して′電動機の電機ｒ８線（ｌＯ）にＴＩ！源が
供給され゛電動機が回転すると、発′屯機の電機ｆ−巻
！１ａ（１１）には磁石（８）により起゛電力が誘起さ
れるため、発゛屯機に接続されるリード線（２２）から
は、′電動機の回転数に比例した直流′市川が得られる
。したがって、゛電動機の回転数を検出することができ
る。In such a rotation speed detection device, a lead wire (21
) to the electric motor r8 wire (lO) through TI! When power is supplied and the electric motor rotates, the electric motor f-winding of the generator! Since an electromotive force is induced in 1a (11) by the magnet (8), from the lead wire (22) connected to the generator, a 'DC' current proportional to the rotational speed of the electric motor is obtained. . Therefore, the rotation speed of the electric motor can be detected.
尚、Ｌ記実施例においては、発電機用の電機（−巻線を
電動機用の電Ｍｋ（−巻線の外周に配設した場合につい
て説明したが、第２図に示すように発電機用の１ｔ！、
Ｊａ（巻線を゛電動機用の電機１巻線の内周に配設する
こともでき、１．配回等の効果を４＋ｊることができる
。In addition, in the embodiment described in L, the case where the electrical machine for the generator (- winding is arranged around the outer periphery of the electrical Mk (- winding) for the motor was explained, but as shown in FIG. 1t!,
The winding can also be arranged on the inner periphery of the first winding of the electric motor, and the effects of 1. routing etc. can be increased by 4+j.
（発明の効果）
以１、の構成で明らかな如く本発明によれば、回転軸の
外周に′電動機用の′電機子巻線と発゛市機用の電機ｆ
巻線とを東ね合せて配設したことにより、全体の小形化
を図ることができ、部品点数を減少できるため、製造コ
ストの低減を図ることができる。また、゛電動式パワー
ステアリング装置に適用した場合には、゛重機ｆ鉄心の
溝数を増大するに伴い１発ｔｔｔ機の出力′市川のリッ
プル分が小さくなり性能の向１４を図ることができる。(Effects of the Invention) As is clear from the configuration described in 1 below, according to the present invention, an armature winding for an electric motor and an electric motor f for a city engine are arranged on the outer periphery of the rotating shaft.
By arranging the windings so that they are aligned with each other, the overall size can be reduced, and the number of parts can be reduced, so that manufacturing costs can be reduced. In addition, when applied to an electric power steering device, as the number of grooves in the iron core of heavy machinery is increased, the output ripple of the single-shot ttt machine is reduced, resulting in an improvement in performance14. .
第１図は本発明の一実施例に係る回転数検出装置を小す
縦断面図、第２図は他の実施例に係る回転数検出装置を
小才縦断面図である。
図面中、
ｌ・・・・・・回転軸
１０・・・・・・電動機用の電機１巻線■】・・・・・
・発電機用の電機ｆ−巻線１３・・・・・・整流ｆ（第
２整流ｆ〜）１９・・・・・・ブラシ
である。FIG. 1 is a vertical sectional view of a rotational speed detection device according to one embodiment of the present invention, and FIG. 2 is a small vertical sectional view of a rotational speed detection device according to another embodiment. In the drawing, l... Rotating shaft 10... Electric motor 1 winding ■]...
- Electric machine f-winding 13 for generator... Rectifier f (second rectifier f~) 19... Brush.
Claims (1)
巻線と、該電動機用電機子巻線の周囲に配設された界磁
手段とより成る電動機において、前記回転軸の周囲に前
記電動機用電機子巻線と重層して発電機用電機子巻線を
巻回するとともに、該発電機用電機子巻線に接続される
ブラシと整流子とから成る出力手段を設けたことを特徴
とする電動機の回転数検出装置。In an electric motor comprising a rotating shaft, a motor armature winding wound around the rotating shaft, and a field means disposed around the motor armature winding, The armature winding for a generator is wound in a layered manner with the armature winding for the motor, and an output means consisting of a brush and a commutator connected to the armature winding for the generator is provided. Features: Electric motor rotation speed detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60036798A JPS61196741A (en) | 1985-02-26 | 1985-02-26 | Rotational frequency detector for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60036798A JPS61196741A (en) | 1985-02-26 | 1985-02-26 | Rotational frequency detector for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61196741A true JPS61196741A (en) | 1986-08-30 |
Family
ID=12479802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60036798A Pending JPS61196741A (en) | 1985-02-26 | 1985-02-26 | Rotational frequency detector for motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61196741A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005145436A (en) * | 2003-10-21 | 2005-06-09 | Koyo Seiko Co Ltd | Electric power steering device |
| US10549665B2 (en) | 2012-03-15 | 2020-02-04 | Ts Tech Co., Ltd. | Vehicle seat |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5195207A (en) * | 1975-01-20 | 1976-08-20 |
-
1985
- 1985-02-26 JP JP60036798A patent/JPS61196741A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5195207A (en) * | 1975-01-20 | 1976-08-20 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005145436A (en) * | 2003-10-21 | 2005-06-09 | Koyo Seiko Co Ltd | Electric power steering device |
| JP4525283B2 (en) * | 2003-10-21 | 2010-08-18 | 株式会社ジェイテクト | Electric power steering device |
| US10549665B2 (en) | 2012-03-15 | 2020-02-04 | Ts Tech Co., Ltd. | Vehicle seat |
| US11951888B2 (en) | 2012-03-15 | 2024-04-09 | Ts Tech Co., Ltd. | Vehicle seat |
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