WO2015083204A1 - Rotating electric machine - Google Patents
Rotating electric machine Download PDFInfo
- Publication number
- WO2015083204A1 WO2015083204A1 PCT/JP2013/007177 JP2013007177W WO2015083204A1 WO 2015083204 A1 WO2015083204 A1 WO 2015083204A1 JP 2013007177 W JP2013007177 W JP 2013007177W WO 2015083204 A1 WO2015083204 A1 WO 2015083204A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- side bracket
- frame
- load
- stator
- load side
- Prior art date
Links
Images
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
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/227—Heat sinks
Definitions
- the present invention relates to a cooling structure for a rotating electrical machine.
- Conventional electric rotating machines such as electric motors and generators have a cooling fan on the back, and a frame fitted with the stator is provided with a groove for passing cooling air. By rotating the cooling air generated by driving the fan through the groove, the rotating electrical machine is forcibly cooled (for example, see Patent Document 1).
- the present invention has been made to solve the above-described problems, and an object thereof is to provide a rotating electrical machine with improved cooling performance.
- the load side bracket and the anti-load side bracket that respectively support the rotating shaft load side and the anti-load side of the rotor, and the stator is fitted and held therein, and the load-side bracket and the anti-load side It has a cylindrical frame that connects the bracket and a cooling fan attached to the rear side of the anti-load side bracket, and an air passage along the axial direction is formed on the outer periphery of the frame and the anti-load side bracket.
- One or more pins are inserted axially into the mating surfaces of the frame and the stator, the pins penetrate the anti-load side bracket, the end surfaces of the penetrated pins are connected to the members, and the through portions of the pins and the members are cooled. It is located in the air path of the cooling air induced by driving the fan.
- the end of the pin heated by the heat generated from the stator is exposed to the cooling path, so that the cooling air hits the pin and the cooling capacity is improved. it can.
- Example 1 is a cross-sectional view of a rotating electrical machine showing Embodiment 1 of the present invention
- FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 showing Embodiment 1 of the present invention
- FIG. 3 is an embodiment of the present invention.
- FIG. 6 is an enlarged view of the periphery of the anti-load side bracket of the rotating electrical machine showing Example 1;
- FIG. 4 is a rear view of the rotating electric machine with the cooling fan unit shown in Embodiment 1 of the present invention removed, and shows the shape of an annular member that is a component of the present invention.
- reference numeral 1 denotes a frame of a rotating electric machine, 2 a stator, 3 a pin installed on a fitting surface between the frame 1 and the stator 2, and 4 an annular member connected to the pin 3.
- Reference numeral 5 denotes an anti-load side bracket fitted to the frame 1
- 6 denotes a load side bracket fitted to the frame 1
- 7 denotes a cooling fan unit provided on the anti-load side bracket side for cooling heat generated from the rotating electrical machine.
- . 8 is an air passage
- 9 is a cooling air inlet that is sucked by the cooling fan unit 7
- 10 is a cooling air outlet that is discharged by the cooling fan unit 7
- 11 is provided on the outer periphery of the frame 11, along the axial direction.
- Reference numeral 12 denotes a rotor, and a load is connected to the load side bracket 6 side.
- pins 3 having a rectangular cross section perpendicular to the axial direction and having high thermal conductivity are press-fitted into the fitting surface of the frame 1 and the stator 2.
- one end face penetrates the anti-load side bracket 5 to expose the air passage 8 and the exposed portion of the pin 3 penetrating the anti-load side bracket 5 is an annular member 4 having high thermal conductivity. It is connected to the structure.
- the other end surface in the axial direction of the pin 3 is not in contact with the load side bracket 6 of the stator 2, and the insertion of the pin 3 is stopped up to the end surface of the stator 2.
- cooling air is generated.
- This cooling air is provided on the load-side bracket 6 side because the cooling fan unit 7 is provided on the anti-load side bracket 5 side.
- the cooling air flows from 9 and then cools the frame 1 from the load side bracket 6 toward the anti-load side bracket 5 through a plurality of air passages 11 provided on the outer periphery of the frame 1. Then, the air is discharged from the cooling air outlet 10.
- the fitting surface of the frame 1 and the stator 2 has the same number of recesses along the axial direction to press-fit the four pins 3, and the stator 2 is attached to the frame 1.
- the positions of the recesses are aligned so that the gap formed by the recesses of the frame 1 and the stator 2 is rectangular.
- the dimension of the pin 3 is a dimension that is press-fitted into the gap, and by reducing the surface roughness of the pin 3, the contact area between the frame 1 and the stator 2 is improved, and the thermal resistance is reduced.
- the cooling air cools the frame 1 and at the same time the pin 3 also has a shaft. It will cool along the direction.
- the annular member 4 is connected to the end face of the pin 3 on the side opposite to the load 5 and is made of a material having high thermal conductivity. Since the cooling air passes through the air passage 8, the surface of the annular member 4 is also cooled. Then, the cooling air is discharged from the cooling air discharge port 10 through the air passage 8.
- the heat generated in the stator 2 as the rotor 12 rotates is conducted to the frame 1, the anti-load side bracket 5, and the load side bracket 6, and eventually the end surfaces of the pin 3 and the pin 3 on the anti-load side bracket 5 side.
- the pin 3 and the annular member 4 can be cooled by the cooling air generated by the cooling fan unit 7 by adopting the structure shown in the first embodiment of the present invention.
- the heat generation of the stator 2 can be cooled.
- the heat conducted from the stator 2 to the frame 1 is forcibly cooled by the cooling air flowing into the air passage 11 provided in the frame 1.
- the cooling air hits the pin 3 and the cooling capacity is further improved. High efficiency of the rotating electrical machine can be realized.
- the end surface of the pin 3 exposed to the air passage 8 by passing through the anti-load side bracket 5 is connected to the annular member 4, so that the surface area corresponding to the cooling air is increased.
- the cooling capacity is improved and the efficiency of the rotating electrical machine can be increased.
- the contact area between the stator 2 and the pin 3 is increased, the thermal resistance is reduced, and the cooling capacity is further improved. Can be expected.
- the pin 3 is inserted into the fitting surface of the frame 1 and the stator 2 and penetrates the anti-load side bracket 5.
- the rotation of the stator 2 can be stopped without using the pins inserted from the outer circumferential direction.
- the pin 3 is shaped to be exposed to the air passage 8 by penetrating the anti-load side bracket 5, so that the stator 2 and the frame 1 are fitted.
- the pin 3 serves as a guide at the time of mounting, and the effect of improving the assembly accuracy can be expected.
- the temperature rise of the side bracket 6 can be suppressed, and deterioration of the processing accuracy of the machine tool can be suppressed.
- the insertion portion of the pin 3 is selected at a location where the air passage 11 is not formed in the frame 1, and the frame 1 at the outer peripheral portion of the stator 2.
- the case where four places are provided so that the square gap is displaced by 90 degrees with respect to the axis center when the stator 2 is shrink-fitted to the stator 2 is not limited to this, but at least the outer circumference of the stator 2 It is sufficient if there is at least one place on the top.
- the cross section perpendicular to the axial direction of the pin 3 is rectangular has been described.
- the present invention is not limited to this, and may be circular, elliptical, or the like.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Cooling System (AREA)
- Motor Or Generator Frames (AREA)
Abstract
The purpose of the present invention is to resolve the deterioration of cooling performance, which has been problematic in conventional rotating electric machines. A rotating electric machine has a cylindrical frame (1) and a cooling fan unit (7) and is equipped with a wind path (11), wherein: the cylindrical frame (1) fits and holds a stator (2) inside and connects a load-side bracket (6) and an opposite load-side bracket (5); the cooling fan unit (7) is attached on the back side of the opposite load-side bracket (5); and the wind path (11) is formed on the outer circumferences of the frame (1) and the opposite load-side bracket (5) along a shaft direction. In the rotating electric machine, one or more pins (3) are inserted in a shaft direction into the fitting surface between the frame (1) and the stator (2). The pins (3) penetrate the opposite load-side bracket (5), and end surfaces of the penetrated pins (3) are joined to a circular member (4). The penetrated portions of the pins (3) and the circular member (4) are positioned in a wind path (8) of cooling wind generated by the drive of the cooling fan unit (7).
Description
この発明は、回転電機の冷却構造に関する。
The present invention relates to a cooling structure for a rotating electrical machine.
従来技術の電動機や発電機等の回転電機は背面に冷却ファンを有し、固定子と嵌合したフレームには冷却風を通すための溝が設けられており、この溝を風路として、冷却ファンを駆動することにより発生した冷却風を溝に循環させることで、回転電機を強制冷却している(例えば、特許文献1参照)。
Conventional electric rotating machines such as electric motors and generators have a cooling fan on the back, and a frame fitted with the stator is provided with a groove for passing cooling air. By rotating the cooling air generated by driving the fan through the groove, the rotating electrical machine is forcibly cooled (for example, see Patent Document 1).
従来の電動機や発電機等の回転電機は、以上のように構成されているので、フレームの製造条件の制約、フレームの強度確保、及び周方向に固定子の回転防止のためにピンを貫通させる場所を確保する等の理由から、冷却風を通すための溝を設ける空間が制限され、風路の表面積が減少し、冷却性能が悪化するといった問題点がある。
Conventional rotating electrical machines such as electric motors and generators are configured as described above, so that the pins are penetrated in order to restrict the manufacturing conditions of the frame, to ensure the strength of the frame, and to prevent the stator from rotating in the circumferential direction. For reasons such as securing a place, there is a problem in that a space for providing a groove for passing cooling air is limited, the surface area of the air passage is reduced, and cooling performance is deteriorated.
この発明は、上述のような問題を解決するためになされたもので、その目的は、冷却性能を向上させた回転電機を提供するものである。
The present invention has been made to solve the above-described problems, and an object thereof is to provide a rotating electrical machine with improved cooling performance.
この発明に係る回転電機においては、回転子の回転軸負荷側及び反負荷側を夫々支持する負荷側ブラケット及び反負荷側ブラケットと、固定子を内部に嵌合保持し負荷側ブラケットと反負荷側ブラケットを接続する筒状のフレームと、反負荷側ブラケットの後側に取付けられた冷却ファンとを有し、フレーム及び反負荷側ブラケットの外周部には軸方向に沿った風路が形成され、フレームと固定子の嵌合面に一以上のピンを軸方向に挿入し、ピンは反負荷側ブラケットを貫通すると共に、貫通したピンの端面は部材と連結し、ピンの貫通部と部材は冷却ファンの駆動によって誘起される冷却風の風路内に位置する。
In the rotating electrical machine according to the present invention, the load side bracket and the anti-load side bracket that respectively support the rotating shaft load side and the anti-load side of the rotor, and the stator is fitted and held therein, and the load-side bracket and the anti-load side It has a cylindrical frame that connects the bracket and a cooling fan attached to the rear side of the anti-load side bracket, and an air passage along the axial direction is formed on the outer periphery of the frame and the anti-load side bracket. One or more pins are inserted axially into the mating surfaces of the frame and the stator, the pins penetrate the anti-load side bracket, the end surfaces of the penetrated pins are connected to the members, and the through portions of the pins and the members are cooled. It is located in the air path of the cooling air induced by driving the fan.
この発明は、固定子から発せられた熱により熱せられたピンの端部を冷却路に露出させることで、ピンに冷却風があたり、冷却能力が向上するため、回転電機の高効率化が実現できる。
In this invention, the end of the pin heated by the heat generated from the stator is exposed to the cooling path, so that the cooling air hits the pin and the cooling capacity is improved. it can.
実施例1.
図1は、この発明の実施例1を示す回転電機の断面図、図2は、この発明の実施例1を示す図1に記載されたA-A断面図、図3は、この発明の実施例1を示す回転電機の反負荷側ブラケット周辺の拡大図である。図4は、この発明の実施例1を示す冷却ファンユニットを取り外した状態の回転電機の背面図であり、この発明の構成部品である環状部材の形状を示している。図1から図4において、1は回転電機のフレーム、2は固定子、3はフレーム1と固定子2の嵌合面に設置されたピン、4はピン3と連結した環状部材である。5はフレーム1と嵌合した反負荷側ブラケット、6はフレーム1と嵌合した負荷側ブラケット、7は回転電機から発生する熱を冷却する反負荷側ブラケット側に設けられた冷却ファンユニットである。8は風路、9は冷却ファンユニット7によって吸引される冷却風流入口、10は冷却ファンユニット7によって排出される冷却風排出口、11はフレーム11の外周部に設けられ、軸方向に沿って空洞部を成す複数の風路である。12は回転子であり、負荷側ブラケット6側には負荷が接続される。 Example 1.
1 is a cross-sectional view of a rotating electricalmachine showing Embodiment 1 of the present invention, FIG. 2 is a cross-sectional view taken along the line AA in FIG. 1 showing Embodiment 1 of the present invention, and FIG. 3 is an embodiment of the present invention. FIG. 6 is an enlarged view of the periphery of the anti-load side bracket of the rotating electrical machine showing Example 1; FIG. 4 is a rear view of the rotating electric machine with the cooling fan unit shown in Embodiment 1 of the present invention removed, and shows the shape of an annular member that is a component of the present invention. 1 to 4, reference numeral 1 denotes a frame of a rotating electric machine, 2 a stator, 3 a pin installed on a fitting surface between the frame 1 and the stator 2, and 4 an annular member connected to the pin 3. Reference numeral 5 denotes an anti-load side bracket fitted to the frame 1, 6 denotes a load side bracket fitted to the frame 1, and 7 denotes a cooling fan unit provided on the anti-load side bracket side for cooling heat generated from the rotating electrical machine. . 8 is an air passage, 9 is a cooling air inlet that is sucked by the cooling fan unit 7, 10 is a cooling air outlet that is discharged by the cooling fan unit 7, and 11 is provided on the outer periphery of the frame 11, along the axial direction. A plurality of air passages forming a hollow portion. Reference numeral 12 denotes a rotor, and a load is connected to the load side bracket 6 side.
図1は、この発明の実施例1を示す回転電機の断面図、図2は、この発明の実施例1を示す図1に記載されたA-A断面図、図3は、この発明の実施例1を示す回転電機の反負荷側ブラケット周辺の拡大図である。図4は、この発明の実施例1を示す冷却ファンユニットを取り外した状態の回転電機の背面図であり、この発明の構成部品である環状部材の形状を示している。図1から図4において、1は回転電機のフレーム、2は固定子、3はフレーム1と固定子2の嵌合面に設置されたピン、4はピン3と連結した環状部材である。5はフレーム1と嵌合した反負荷側ブラケット、6はフレーム1と嵌合した負荷側ブラケット、7は回転電機から発生する熱を冷却する反負荷側ブラケット側に設けられた冷却ファンユニットである。8は風路、9は冷却ファンユニット7によって吸引される冷却風流入口、10は冷却ファンユニット7によって排出される冷却風排出口、11はフレーム11の外周部に設けられ、軸方向に沿って空洞部を成す複数の風路である。12は回転子であり、負荷側ブラケット6側には負荷が接続される。 Example 1.
1 is a cross-sectional view of a rotating electrical
図1から図4において、フレーム1と固定子2の嵌合面に、軸方向に対して垂直の断面が矩形状で熱伝導性の高いピン3を4か所圧入し、ピン3の軸方向の両端面のうち、一方の端面は反負荷側ブラケット5を貫通することで風路8まで露出させると共に、反負荷側ブラケット5を貫通したピン3の露出部分を熱伝導性の高い環状部材4と連結させた構造としている。ピン3の軸方向のもう一方の端面は、固定子2の負荷側ブラケット6とは接触しておらず、ピン3の挿入を固定子2の端面までで止めた構造としている。
1 to 4, four pins 3 having a rectangular cross section perpendicular to the axial direction and having high thermal conductivity are press-fitted into the fitting surface of the frame 1 and the stator 2. Of the two end faces, one end face penetrates the anti-load side bracket 5 to expose the air passage 8 and the exposed portion of the pin 3 penetrating the anti-load side bracket 5 is an annular member 4 having high thermal conductivity. It is connected to the structure. The other end surface in the axial direction of the pin 3 is not in contact with the load side bracket 6 of the stator 2, and the insertion of the pin 3 is stopped up to the end surface of the stator 2.
冷却ファンユニット7を駆動させると冷却風が発生するが、この冷却風は、冷却ファンユニット7が反負荷側ブラケット5側に設けられているため、負荷側ブラケット6側に設けられた冷却風流入口9から冷却風が流入し、その後、冷却風はフレーム1の外周部に設けられた複数の風路11を通って、負荷側ブラケット6から反負荷側ブラケット5の方に向かってフレーム1を冷却し、冷却風排出口10から排出される。
When the cooling fan unit 7 is driven, cooling air is generated. This cooling air is provided on the load-side bracket 6 side because the cooling fan unit 7 is provided on the anti-load side bracket 5 side. The cooling air flows from 9 and then cools the frame 1 from the load side bracket 6 toward the anti-load side bracket 5 through a plurality of air passages 11 provided on the outer periphery of the frame 1. Then, the air is discharged from the cooling air outlet 10.
図2に示すように、フレーム1と固定子2の嵌合面は、4か所のピン3を圧入ために軸方向に沿って同数の凹部を有しており、固定子2をフレーム1に焼嵌めする際には、フレーム1の凹部と固定子2の凹部が形成する空隙が矩形状となるように、それぞれの凹部の位置を合わせる。ピン3の寸法は、この空隙に圧入する寸法とし、ピン3の面粗度を低くすることで、フレーム1と固定子2との接触面積が向上し、熱抵抗が減少する。
As shown in FIG. 2, the fitting surface of the frame 1 and the stator 2 has the same number of recesses along the axial direction to press-fit the four pins 3, and the stator 2 is attached to the frame 1. When shrink-fitting, the positions of the recesses are aligned so that the gap formed by the recesses of the frame 1 and the stator 2 is rectangular. The dimension of the pin 3 is a dimension that is press-fitted into the gap, and by reducing the surface roughness of the pin 3, the contact area between the frame 1 and the stator 2 is improved, and the thermal resistance is reduced.
このように、ピン3はフレーム1と固定子2の嵌合面に圧入された状態で存在し、かつ熱伝導性の高い材質であるため、冷却風はフレーム1を冷却すると同時にピン3も軸方向に沿って冷却することになる。さらに、環状部材4は反負荷側ブラケット5側のピン3の端面と連結し、かつ熱伝導性の高い材質であるため、冷却風は環状部材4も冷却すると同時に、環状部材4は風路8の内部に設けられているため、冷却風が風路8を通る際に環状部材4の表面も冷却する。そして、冷却風は風路8を通って冷却風排出口10から排出される。
Thus, since the pin 3 exists in a state where it is press-fitted into the fitting surface of the frame 1 and the stator 2 and is made of a material having high thermal conductivity, the cooling air cools the frame 1 and at the same time the pin 3 also has a shaft. It will cool along the direction. Further, the annular member 4 is connected to the end face of the pin 3 on the side opposite to the load 5 and is made of a material having high thermal conductivity. Since the cooling air passes through the air passage 8, the surface of the annular member 4 is also cooled. Then, the cooling air is discharged from the cooling air discharge port 10 through the air passage 8.
回転子12が回転することに伴い固定子2で発生する熱は、フレーム1や反負荷側ブラケット5、負荷側ブラケット6に伝導し、やがてピン3と反負荷側ブラケット5側のピン3の端面と連結した環状部材4に伝導するが、この発明の実施例1に示す構造を採用することで、ピン3と環状部材4を冷却ファンユニット7によって発生した冷却風で冷却可能になり、その結果、固定子2の発熱を冷却することができる。
The heat generated in the stator 2 as the rotor 12 rotates is conducted to the frame 1, the anti-load side bracket 5, and the load side bracket 6, and eventually the end surfaces of the pin 3 and the pin 3 on the anti-load side bracket 5 side. The pin 3 and the annular member 4 can be cooled by the cooling air generated by the cooling fan unit 7 by adopting the structure shown in the first embodiment of the present invention. The heat generation of the stator 2 can be cooled.
この発明の実施例1によれば、従来では固定子2からフレーム1へ伝導した熱はフレーム1に設けられた風路11に冷却風が流入することによって強制冷却していたが、さらに固定子2から発せられた熱により熱せられたピン3の端部を、反負荷側ブラケット5を貫通することで風路8まで露出させることで、ピン3に冷却風があたり、さらに冷却能力が向上し、回転電機の高効率化が実現できる。
According to the first embodiment of the present invention, conventionally, the heat conducted from the stator 2 to the frame 1 is forcibly cooled by the cooling air flowing into the air passage 11 provided in the frame 1. By exposing the end portion of the pin 3 heated by the heat generated from 2 to the air passage 8 by penetrating the anti-load side bracket 5, the cooling air hits the pin 3 and the cooling capacity is further improved. High efficiency of the rotating electrical machine can be realized.
加えて、この発明の実施例1によれば、反負荷側ブラケット5を貫通することで風路8まで露出したピン3の端面が環状部材4と連結されているため、冷却風にあたる表面積が増大し、冷却能力が向上し、回転電機の高効率化が実現できる。
In addition, according to the first embodiment of the present invention, the end surface of the pin 3 exposed to the air passage 8 by passing through the anti-load side bracket 5 is connected to the annular member 4, so that the surface area corresponding to the cooling air is increased. As a result, the cooling capacity is improved and the efficiency of the rotating electrical machine can be increased.
また、この発明の実施例1によれば、面粗度が低いピン3を圧入することにより、固定子2とピン3との接触面積が大きくなり、熱抵抗が減少し、さらなる冷却能力の向上が見込める。
Further, according to the first embodiment of the present invention, by pressing the pin 3 having a low surface roughness, the contact area between the stator 2 and the pin 3 is increased, the thermal resistance is reduced, and the cooling capacity is further improved. Can be expected.
また、この発明の実施例1によれば、ピン3の構造として、フレーム1と固定子2の嵌合面にピン3を挿入し、反負荷側ブラケット5を貫通することで、従来ではフレーム1の外周方向から挿入していたピンを使用せずに、固定子2の回転止めが可能となる。
Further, according to the first embodiment of the present invention, as the structure of the pin 3, the pin 3 is inserted into the fitting surface of the frame 1 and the stator 2 and penetrates the anti-load side bracket 5. The rotation of the stator 2 can be stopped without using the pins inserted from the outer circumferential direction.
また、この発明の実施例1によれば、ピン3の形状を、反負荷側ブラケット5を貫通することで風路8まで露出した形状とすることで、固定子2とフレーム1の嵌合物とベアリングを支持する反負荷側ブラケット5を組立てる際には、ピン3が取付時のガイドとなり、組立精度向上の効果も見込める。
Further, according to the first embodiment of the present invention, the pin 3 is shaped to be exposed to the air passage 8 by penetrating the anti-load side bracket 5, so that the stator 2 and the frame 1 are fitted. When assembling the non-load-side bracket 5 that supports the bearing, the pin 3 serves as a guide at the time of mounting, and the effect of improving the assembly accuracy can be expected.
さらに、この発明の実施例1によれば、固定子2の負荷側ブラケット6にピン3を接触させず、ピン3の挿入を固定子2の端面までで止めることにより、工作機械に接触させる負荷側ブラケット6の温度上昇を抑制し、工作機械の加工精度悪化を抑制することができる。
Further, according to the first embodiment of the present invention, the load that makes contact with the machine tool by stopping the insertion of the pin 3 up to the end face of the stator 2 without bringing the pin 3 into contact with the load side bracket 6 of the stator 2. The temperature rise of the side bracket 6 can be suppressed, and deterioration of the processing accuracy of the machine tool can be suppressed.
なお、この発明の実施例1では、ピン3の挿入部は図2に示すように、フレーム1に風路11が形成されてない場所を選定すると共に、固定子2の外周部において、フレーム1に固定子2を焼嵌めした際に方形状の空隙が軸中心に対して90度ずれるように4か所設けた場合について説明したが、これに限らず、少なくとも固定子2の外形の円周上に1か所以上存在すれば良い。また、この発明の実施例1では、ピン3の軸方向に対して垂直の断面が矩形状でる場合について説明したが、これに限らず、円形状や楕円形状等であっても良い。
In the first embodiment of the present invention, as shown in FIG. 2, the insertion portion of the pin 3 is selected at a location where the air passage 11 is not formed in the frame 1, and the frame 1 at the outer peripheral portion of the stator 2. The case where four places are provided so that the square gap is displaced by 90 degrees with respect to the axis center when the stator 2 is shrink-fitted to the stator 2 is not limited to this, but at least the outer circumference of the stator 2 It is sufficient if there is at least one place on the top. In the first embodiment of the present invention, the case where the cross section perpendicular to the axial direction of the pin 3 is rectangular has been described. However, the present invention is not limited to this, and may be circular, elliptical, or the like.
1 フレーム、2 固定子、3 ピン、4 環状部材、5 反負荷側ブラケット、 6 負荷側ブラケット、7 冷却ファンユニット、 8、11 風路、9 冷却風流入口、10 冷却風排出口、12 回転子。
1 frame, 2 stator, 3 pins, 4 annular member, 5 anti-load side bracket, 6 load side bracket, 7 cooling fan unit, 8, 11 air passage, 9 cooling air inlet, 10 cooling air outlet, 12 rotor .
Claims (4)
- 回転子の回転軸負荷側及び反負荷側を夫々支持する負荷側ブラケット及び反負荷側ブラケットと、固定子を内部に嵌合保持し前記負荷側ブラケットと前記反負荷側ブラケットを接続する筒状のフレームと、前記反負荷側ブラケットの後側に取付けられた冷却ファンとを有し、前記フレーム及び反負荷側ブラケットの外周部には軸方向に沿った風路が形成された回転電機において、
前記フレームと前記固定子の嵌合面に一以上のピンを軸方向に挿入し、該ピンは前記反負荷側ブラケットを貫通すると共に、貫通した前記ピンの端面は部材と連結し、前記ピンの貫通部と前記部材は前記冷却ファンの駆動によって誘起される冷却風の風路内に位置することを特徴とする回転電機。 A load-side bracket and an anti-load-side bracket that respectively support the rotating shaft load side and the anti-load side of the rotor, and a cylindrical shape that fits and holds the stator inside and connects the load-side bracket and the anti-load side bracket In a rotating electrical machine having a frame and a cooling fan attached to the rear side of the anti-load side bracket, and having an air passage along the axial direction formed on the outer periphery of the frame and the anti-load side bracket,
One or more pins are inserted axially into the mating surfaces of the frame and the stator, the pins penetrate the anti-load side bracket, and the end surfaces of the penetrated pins are connected to members, The rotating electrical machine, wherein the through portion and the member are located in a cooling air path induced by driving of the cooling fan. - 前記部材は環状であることを特徴とする請求項1に記載の回転電機。 The rotating electrical machine according to claim 1, wherein the member is annular.
- 前記ピンと前記部材は熱伝導性を有することを特徴とする請求項1又は請求項2に記載の回転電機。 The rotating electrical machine according to claim 1, wherein the pin and the member have thermal conductivity.
- 前記ピンは前記負荷側ブラケットと接触しないことを特徴とする請求項1乃至請求項3のいずれかに記載の回転電機。 The rotating electrical machine according to any one of claims 1 to 3, wherein the pin does not contact the load side bracket.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/007177 WO2015083204A1 (en) | 2013-12-06 | 2013-12-06 | Rotating electric machine |
JP2015551268A JP6000474B2 (en) | 2013-12-06 | 2013-12-06 | Rotating electric machine |
TW103102608A TWI528687B (en) | 2013-12-06 | 2014-01-24 | Rotatory electric machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/007177 WO2015083204A1 (en) | 2013-12-06 | 2013-12-06 | Rotating electric machine |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015083204A1 true WO2015083204A1 (en) | 2015-06-11 |
Family
ID=53273002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/007177 WO2015083204A1 (en) | 2013-12-06 | 2013-12-06 | Rotating electric machine |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6000474B2 (en) |
TW (1) | TWI528687B (en) |
WO (1) | WO2015083204A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI609564B (en) * | 2016-06-03 | 2017-12-21 | Drain cover for gas inlet and outlet |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56100050U (en) * | 1979-12-27 | 1981-08-06 | ||
JP2002165410A (en) * | 2000-11-21 | 2002-06-07 | Nissan Motor Co Ltd | Motor or generator |
WO2010100756A1 (en) * | 2009-03-06 | 2010-09-10 | 三菱電機株式会社 | Motor with cooling fan |
-
2013
- 2013-12-06 WO PCT/JP2013/007177 patent/WO2015083204A1/en active Application Filing
- 2013-12-06 JP JP2015551268A patent/JP6000474B2/en not_active Expired - Fee Related
-
2014
- 2014-01-24 TW TW103102608A patent/TWI528687B/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56100050U (en) * | 1979-12-27 | 1981-08-06 | ||
JP2002165410A (en) * | 2000-11-21 | 2002-06-07 | Nissan Motor Co Ltd | Motor or generator |
WO2010100756A1 (en) * | 2009-03-06 | 2010-09-10 | 三菱電機株式会社 | Motor with cooling fan |
Also Published As
Publication number | Publication date |
---|---|
JP6000474B2 (en) | 2016-09-28 |
JPWO2015083204A1 (en) | 2017-03-16 |
TWI528687B (en) | 2016-04-01 |
TW201524090A (en) | 2015-06-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9077230B2 (en) | Electric motor with heat dissipating device | |
JP6017067B2 (en) | Permanent magnet embedded rotary electric machine | |
JP3953503B1 (en) | Brushless fan motor | |
US20150162805A1 (en) | Rotor of rotating electrical machine and rotating electrical machine | |
US8710707B2 (en) | Electric motor | |
JP4082359B2 (en) | Cooling structure of rotating electric machine | |
WO2014174721A1 (en) | Induction machine | |
JP2017085765A (en) | Rotary electric machine | |
JP6000474B2 (en) | Rotating electric machine | |
JP2017093195A (en) | Rotary electric machine | |
JP5892091B2 (en) | Multi-gap rotating electric machine | |
JP2013207930A (en) | Stator structure of rotary electric machine | |
JPWO2008059687A1 (en) | Rotating motor | |
JP5573330B2 (en) | motor | |
JP2009273222A (en) | Electric motor | |
US10608504B2 (en) | Rotary electric machine | |
WO2014171224A1 (en) | Rotating electric machine | |
JP2013198239A (en) | Rotary electric machine | |
JP6473128B2 (en) | Synchronous rotating electrical machine and field winding end holding structure | |
JP2017050926A (en) | Rotary electric machine | |
JP2005304174A (en) | Cooling structure of rotary electric machine and cooling method | |
KR20180034816A (en) | Cooling device for blushless dc motor | |
JP5918582B2 (en) | Rotating electric machine and manufacturing method thereof | |
JP2008035584A (en) | Self-ventilation cooling type rotating electric machine for vehicle | |
JP6263564B2 (en) | Rotating electric machine rotor and rotating electric machine |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13898841 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2015551268 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 13898841 Country of ref document: EP Kind code of ref document: A1 |