WO2014207780A1 - 巻線型回転電機 - Google Patents
巻線型回転電機 Download PDFInfo
- Publication number
- WO2014207780A1 WO2014207780A1 PCT/JP2013/003939 JP2013003939W WO2014207780A1 WO 2014207780 A1 WO2014207780 A1 WO 2014207780A1 JP 2013003939 W JP2013003939 W JP 2013003939W WO 2014207780 A1 WO2014207780 A1 WO 2014207780A1
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- WO
- WIPO (PCT)
- Prior art keywords
- collector
- housing
- cover
- winding
- machine according
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/207—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium with openings in the casing specially adapted for ambient air
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/28—Cooling of commutators, slip-rings or brushes e.g. by ventilating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/14—Means for supporting or protecting brushes or brush holders
- H02K5/141—Means for supporting or protecting brushes or brush holders for cooperation with slip-rings
Definitions
- the present invention relates to a wound-type rotating electrical machine having a brush and a collector ring, and more particularly to a fully-closed wound-type rotating electrical machine.
- a collector ring that rotates together with a rotor is arranged to supply current to or extract current from the rotor winding, and a brush that slides with the collector ring is a stator. It is fixed and attached to the side (see Patent Document 1). Since current flows while mechanically sliding between the collector ring and the brush, heat is generated. Therefore, it is necessary to cool the collector ring and the brush.
- the collector ring and the brush are sealed in the collector housing. Cooling fins are formed outside the collector part housing, and heat in the collector part housing is released to the outside air through the cooling fins.
- An openable / closable inspection cover (collector housing opening / closing lid) is provided.
- an outer fan is fixed to the outer side of the frame of the rotating shaft, and cooling air flows along the outer surface of the frame by the outer fan, so that the frame outside the stator It is designed to be cooled.
- the cooling fins are formed outside the collector unit housing, and the heat in the collector unit housing is released to the outside air through the cooling fins. It has become.
- the outside of the cooling fin is naturally dissipated by the outside air, so that it cannot be said that the cooling is sufficiently performed.
- the present invention has been made in view of such circumstances, and promotes cooling of the outside of the collector housing of the fully-closed winding electric rotating machine to prevent overheating of the contact portion between the brush and the collector ring. It is aimed.
- a wound rotary electric machine includes a sealed main body housing, a stator fixed in the main body housing, a bearing fixed to the main body housing, and the bearing.
- a rotating shaft that is rotatably supported and extends through the main body housing; a rotor that is fixed to the rotating shaft and is rotatable inside the stator; and a rotor winding; and an axial direction of the main body housing
- a collector ring fixed and electrically connected to the rotor winding, a brush sliding with the collector ring, the collector ring and the brush
- a collector part housing having an openable / closable collector part housing opening and closing cover, and forming a ventilation path radially outward of the collector part housing to cover a radial outer pe
- the cooling is promoted, and overheating of the contact portion between the brush and the collector ring can be prevented.
- FIG. 2 is a side view of the winding-type rotating electrical machine of FIG. 1 as viewed from the anti-load side in a state where an upper cover of a collector housing cover and a collector housing opening / closing lid are opened.
- FIG. 3 is a side view of a collector housing cover in the wound rotary electric machine of FIG. 2.
- FIG. 10 is a front view of the collector part housing cover of FIG. 9.
- FIG. 10 is a side view showing a state where an upper cover of the collector housing cover of FIG. 9 is opened.
- FIG. 1 is a front view of a first embodiment of a wire-wound rotary electric machine according to the present invention, showing an upper half portion in section and a lower half portion in appearance.
- FIG. 1 only the outer diameter of the lower half of the collector housing cover is shown by a solid line, and the collector housing is transparent, and the external appearance of the collector housing inside is shown.
- FIG. 2 is a side view of the wire-wound rotating electrical machine of FIG. 1 as viewed from the non-load side.
- FIG. 3 is a side view of the winding-type rotating electrical machine of FIG. 1 as seen from the anti-load side with the upper cover of the collector housing cover and the collector housing open / close lid open. However, in FIG. 3, illustration of the outer fan cover and the like is omitted.
- 4 is a side view of the collector housing cover in the wire-wound rotary electric machine of FIG.
- FIG. 5 is a front view of the collector housing cover of FIG.
- a rotating shaft 10 extending in the horizontal direction is supported by two bearings 11.
- a rotor 12 having a rotor winding 13 is attached to the rotating shaft 10 at a position sandwiched between the two bearings 11.
- a stator 15 having a stator winding 14 is disposed so as to surround the outer side in the radial direction of the rotor 12.
- the stator 15 is fixed to a main body housing 16 disposed outside the stator 15.
- the main body housing 16 seals the stator 15 and the rotor 12 inside thereof.
- Fins 25 are formed on the outer surface of the main body housing 16.
- the both ends of the rotating shaft 10 protrude from the main body housing 16.
- One end of the rotating shaft 10 is connected to a load, and is a load side end 17.
- the side close to the load side end 17 is referred to as a load side
- the opposite side is referred to as an anti-load side.
- An outer fan 18 is attached to the rotary shaft 10 on the opposite side of the main body housing 16 in the axial direction.
- An outer fan cover 19 is fixed and attached to the main body housing 16 so as to cover the outer side of the outer fan 18 in the radial direction.
- a collector ring 20 is attached to the rotary shaft 10 on the side opposite to the outer load 18 than the outer fan 18. In the illustrated example, there are three collector rings 20, and these are arranged side by side in the rotation axis direction. Each collector ring 20 is electrically connected to the rotor winding 13 through a lead portion (not shown) extending in the axial direction along the rotary shaft 10.
- the brush 21 is arranged so as to slide with the upper half of each collector ring 20.
- the brush 21 is fixed to the collector housing 22.
- the collector housing 22 is fixed to the outer fan cover 19 and covers and seals the collector ring 20 and the brush 21.
- the brush 21 is connected to a lead portion (not shown) that is electrically connected to the outside.
- a collector housing cover 23 is attached so as to cover the radially outer side of the collector housing 22. Fins 24 extending in the axial direction are formed on the outer surface of the collector housing 22, and the collector housing cover 23 covers the fin 24 in the radial direction.
- the load side of the collector housing cover 23 is connected to the outer fan cover 19, and the non-load side end of the collector housing cover 23 is open.
- a collector fan 50 is attached to the rotary shaft 10.
- the brush 21 Since the brush 21 is worn, it is necessary to check or replace it with a new one in a timely manner. Therefore, the upper half part of the collector part housing 22 and the collector part housing cover 23 can be opened and closed.
- the collector housing open / close lid 30 includes a first open / close lid 30a and a second open / close lid 30b supported by hinges 31a and 31b on the collector housing 22 so as to be openable and closable.
- the collector housing open / close lid 30 is closed, the space including the collector ring 20 and the brush 21 is sealed in the collector housing 22.
- fins are not formed on the outer surface of the collector unit housing opening / closing lid 30, but the outer surface of the collector unit housing opening / closing lid 30 is the same as the outer surface of other parts of the collector unit housing 22. Fins may be provided on the surface.
- the collector housing cover 23 includes an upper cover 32 and a lower cover 33 as shown in FIGS.
- Each of the upper cover 32 and the lower cover 33 is substantially semi-cylindrical, and these are connected by a hinge 34.
- An engaging tool 35 that can be engaged / released is attached to a position opposite to the hinge 34 of the upper cover 32 and the lower cover 33, and the upper cover 32 is closed with the upper cover 32 and the lower cover 33 closed.
- the lower cover 33 can be engaged with or released from each other.
- An end of the lower cover 33 is fixed to the outer fan cover 19 (see FIG. 1) by a lower cover attachment 51.
- the upper cover 32 When the upper cover 32 is closed, the upper cover 32 and the lower cover 33 are combined to form a cylindrical shape that covers the outer side in the radial direction of the collector housing 22. Further, when the upper cover 32 is open, the collector housing open / close lid 30 can be opened and closed.
- a terminal block duct opening 37 for penetrating the terminal block duct 36 is formed in the upper cover 32 and the lower cover 33.
- the cooling air is counteracted by the collector housing cover 23 by the rotation of the outer fan 18 during the normal operation of the rotating electrical machine. After flowing in from the load side end and cooling the outer surface of the collector housing 22, it enters the outer fan cover 19, passes through the outer fan 18, and is discharged toward the vicinity of the fins 25 outside the main body housing 16, The outside of the main body housing 16 is cooled.
- a collector unit internal fan 50 is attached to the rotary shaft 10 in the collector unit housing 22. Thereby, the air in the collector part housing 22 is forcedly circulated and cooled. Thereby, overheating of a collector part can be prevented.
- a tool such as a screwdriver is not required for opening and closing the collector unit housing cover 23 and the collector unit housing opening / closing lid 30, so that a quick operation can be performed.
- FIG. 6 is a side view of the collector housing cover of the second embodiment of the wound rotary electric machine according to the present invention.
- FIG. 7 is a front view of the collector housing cover of FIG.
- FIG. 8 is a side view showing a state where the upper cover of the collector housing cover of FIG. 6 is opened.
- the upper cover 32 and the lower cover 33 of the collector housing cover are not connected by the hinge 34 (FIGS. 3 to 5), and the engagement tool 35 that can be engaged and released is used at four locations. , Separably coupled.
- the same effect as that of the first embodiment can be obtained, and the upper cover 32 can be completely removed from the lower cover 33. Thereby, interference of the upper cover 32 can be avoided when the collector housing opening / closing lid 30 is opened.
- a third embodiment will be described with reference to FIGS.
- This embodiment is a modification of the second embodiment, and the structure of the collector housing cover 23 is different from that of the second embodiment, but the structure of other parts is the same as that of the second embodiment. Only the parts different from the second embodiment will be described below.
- FIG. 9 is a side view of the collector housing cover of the third embodiment of the wound rotary electric machine according to the present invention.
- FIG. 10 is a front view of the collector housing cover of FIG.
- FIG. 11 is a side view showing a state where the upper cover of the collector housing cover of FIG. 9 is opened.
- a bolt 40 or the like is used without using the engaging tool 35 (FIGS. 6 to 8) for engaging and releasing the upper cover 32 and the lower cover 33 of the collector housing cover.
- a plurality of bolt holes are formed in the upper cover 32, and screw holes are formed in the lower cover 33 at positions corresponding to these bolt holes. Is formed.
- a flat washer 41 is arranged outside the bolt hole of the upper cover 32, and the bolt 40 is passed from the outside through the bolt hole of the flat washer 41 and the upper cover 32, and further screwed into the screw hole of the lower cover 33 inside.
- the upper cover 32 can be securely attached to the lower cover 33. Further, the upper cover 32 can be opened by removing the bolt 40.
- the same effect as that of the second embodiment can be obtained, and the upper cover 32 is securely attached to the lower cover 33 with an inexpensive structure by using the bolt 40 or the like. Or can be removed.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Frames (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
Description
図1~図5を参照して第1の実施形態について説明する。
図6~図8を参照して第2の実施形態について説明する。この実施形態は、コレクタ部ハウジングカバー23の構造が第1の実施形態と異なるが、その他の部分の構造は第1の実施形態と同様である。以下、第1の実施形態と異なる部分のみを説明する。
図9~図11を参照して第3の実施形態について説明する。この実施形態は、第2の実施形態の変形であって、コレクタ部ハウジングカバー23の構造が第2の実施形態と異なるが、その他の部分の構造は第2の実施形態と同様である。以下、第2の実施形態と異なる部分のみを説明する。
本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれると同様に、特許請求の範囲に記載された発明とその均等の範囲に含まれるものである。
11・・・軸受
12・・・回転子
13・・・回転子巻線
14・・・固定子巻線
15・・・固定子
16・・・本体ハウジング
17・・・負荷側端部
18・・・外扇
19・・・外扇カバー
20・・・コレクタリング
21・・・ブラシ
22・・・コレクタ部ハウジング
23・・・コレクタ部ハウジングカバー
24・・・フィン(冷却フィン)
25・・・フィン(冷却フィン)
30・・・コレクタ部ハウジング開閉蓋
30a・・・第1開閉蓋
30b・・・第2開閉蓋
31a、31b・・・ヒンジ
32・・・上部カバー
33・・・下部カバー
34・・・ヒンジ
35・・・係合具
36・・・端子台ダクト
37・・・端子台ダクト部開口
40・・・ボルト
41・・・平座金
50・・・コレクタ部内扇
51・・・下部カバー取付具
Claims (8)
- 密閉された本体ハウジングと、
前記本体ハウジング内に固定された固定子と、
前記本体ハウジングに固定された軸受と、
前記軸受によって回転可能に支持されて前記本体ハウジングを貫通して延びる回転シャフトと、
前記回転シャフトに固定されて前記固定子内側で回転可能で回転子巻線を備えた回転子と、
前記本体ハウジングの軸方向外側で前記回転シャフトに固定された外扇と、
前記外扇の半径方向外側に配置されて前記外扇の回転によって生じる風を前記本体ハウジングの外側表面に導く外扇カバーと、
前記回転シャフトに固定されて前記回転子巻線と電気的に接続されたコレクタリングと、
前記コレクタリングと摺動するブラシと、
前記コレクタリングおよび前記ブラシを覆って密閉可能で、開閉可能なコレクタ部ハウジング開閉蓋を備えたコレクタ部ハウジングと、
前記コレクタ部ハウジングの半径方向外側に通風路を形成して前記コレクタ部ハウジングの半径方向外周を覆い前記外扇カバーに接続される開閉可能なコレクタ部ハウジングカバーと、
を有することを特徴とする巻線型回転電機。 - 前記コレクタ部ハウジングカバーの内側で、前記コレクタ部ハウジングの外表面に冷却フィンが形成されていること、を特徴とする請求項1に記載の巻線型回転電機。
- 前記コレクタ部ハウジングカバーは、前記コレクタ部ハウジングの半径方向外周全体を覆うこと、を特徴とする請求項1または請求項2に記載の巻線型回転電機。
- 前記回転シャフトは水平方向に延び、
前記ブラシは前記コレクタリングの上半部に半径方向外側から押し付けられるように構成され、
前記コレクタ部ハウジング開閉蓋は前記コレクタ部ハウジングの上半に設けられており、
前記コレクタ部ハウジングカバーは、前記コレクタ部ハウジング開閉蓋の半径方向外側を覆って開閉可能な上部カバーと、前記上部カバーと接合可能な下部カバーとを備えること、
を特徴とする請求項1または請求項2に記載の巻線型回転電機。 - 前記上部カバーと前記下部カバーとを接続するヒンジと、前記上部カバーと前記下部カバーとを開閉可能に締結する係合具とを有すること、を特徴とする請求項4に記載の巻線型回転電機。
- 前記上部カバーと前記下部カバーとは、係合・解放が可能な係合具により着脱可能であること、を特徴とする請求項4に記載の巻線型回転電機。
- 前記上部カバーと前記下部カバーとを接合する複数のボルトをさらに有すること、を特徴とする請求項4に記載の巻線型回転電機。
- 前記コレクタ部ハウジング内で前記回転シャフトに固定されたコレクタ部内扇をさらに有すること、を特徴とする請求項1または請求項2に記載の巻線型回転電機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015523662A JP5987113B2 (ja) | 2013-06-24 | 2013-06-24 | 巻線型回転電機 |
CN201380077700.4A CN105324920B (zh) | 2013-06-24 | 2013-06-24 | 绕组型旋转电机 |
PCT/JP2013/003939 WO2014207780A1 (ja) | 2013-06-24 | 2013-06-24 | 巻線型回転電機 |
KR1020167001182A KR101737282B1 (ko) | 2013-06-24 | 2013-06-24 | 권선형 회전 전기기계 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2013/003939 WO2014207780A1 (ja) | 2013-06-24 | 2013-06-24 | 巻線型回転電機 |
Publications (1)
Publication Number | Publication Date |
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WO2014207780A1 true WO2014207780A1 (ja) | 2014-12-31 |
Family
ID=52141191
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PCT/JP2013/003939 WO2014207780A1 (ja) | 2013-06-24 | 2013-06-24 | 巻線型回転電機 |
Country Status (4)
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JP (1) | JP5987113B2 (ja) |
KR (1) | KR101737282B1 (ja) |
CN (1) | CN105324920B (ja) |
WO (1) | WO2014207780A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3637595A1 (en) * | 2018-10-11 | 2020-04-15 | Siemens Aktiengesellschaft | Electric machine |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109167469A (zh) * | 2018-09-28 | 2019-01-08 | 佛山市懿燊科技服务有限公司 | 一种高性能家用电器电机 |
JP7137427B2 (ja) * | 2018-10-03 | 2022-09-14 | 東芝三菱電機産業システム株式会社 | 巻線形回転電機 |
Citations (5)
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JPS5831764U (ja) * | 1981-08-22 | 1983-03-02 | 富士電機株式会社 | 回転電機 |
JPH0515662U (ja) * | 1991-08-05 | 1993-02-26 | 三菱電機株式会社 | 電動機の外扇カバー用蓋 |
JP2003164111A (ja) * | 2001-11-21 | 2003-06-06 | Mitsubishi Electric Corp | 回転電機 |
JP2005223990A (ja) * | 2004-02-04 | 2005-08-18 | Chugoku Electric Power Co Inc:The | 発電機用励磁機の点検構造 |
JP2012130168A (ja) * | 2010-12-16 | 2012-07-05 | Toshiba Mitsubishi-Electric Industrial System Corp | 巻線型回転電機 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP3174039B2 (ja) | 1999-06-25 | 2001-06-11 | アスモ株式会社 | 自動車用ブラシ付モータの冷却構造及びブラシホルダ |
CN101447717A (zh) * | 2008-10-08 | 2009-06-03 | 徐荣祖 | 一种新型电动机结构 |
JP5571986B2 (ja) | 2010-03-26 | 2014-08-13 | 株式会社豊田中央研究所 | 回転電機 |
CN102664503A (zh) * | 2012-05-09 | 2012-09-12 | 无锡新大力电机有限公司 | 起重用隔爆型绕线转子三相异步电动机 |
JP2016222003A (ja) | 2015-05-27 | 2016-12-28 | 株式会社豊田自動織機 | ハイブリッド車両におけるスリップリング装置の冷却装置 |
-
2013
- 2013-06-24 WO PCT/JP2013/003939 patent/WO2014207780A1/ja active Application Filing
- 2013-06-24 CN CN201380077700.4A patent/CN105324920B/zh active Active
- 2013-06-24 KR KR1020167001182A patent/KR101737282B1/ko active IP Right Grant
- 2013-06-24 JP JP2015523662A patent/JP5987113B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831764U (ja) * | 1981-08-22 | 1983-03-02 | 富士電機株式会社 | 回転電機 |
JPH0515662U (ja) * | 1991-08-05 | 1993-02-26 | 三菱電機株式会社 | 電動機の外扇カバー用蓋 |
JP2003164111A (ja) * | 2001-11-21 | 2003-06-06 | Mitsubishi Electric Corp | 回転電機 |
JP2005223990A (ja) * | 2004-02-04 | 2005-08-18 | Chugoku Electric Power Co Inc:The | 発電機用励磁機の点検構造 |
JP2012130168A (ja) * | 2010-12-16 | 2012-07-05 | Toshiba Mitsubishi-Electric Industrial System Corp | 巻線型回転電機 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3637595A1 (en) * | 2018-10-11 | 2020-04-15 | Siemens Aktiengesellschaft | Electric machine |
Also Published As
Publication number | Publication date |
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KR101737282B1 (ko) | 2017-05-17 |
KR20160021251A (ko) | 2016-02-24 |
CN105324920A (zh) | 2016-02-10 |
JP5987113B2 (ja) | 2016-09-07 |
CN105324920B (zh) | 2017-10-20 |
JPWO2014207780A1 (ja) | 2017-02-23 |
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