WO2010100742A1 - リニアモータ用電機子 - Google Patents
リニアモータ用電機子 Download PDFInfo
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- WO2010100742A1 WO2010100742A1 PCT/JP2009/054183 JP2009054183W WO2010100742A1 WO 2010100742 A1 WO2010100742 A1 WO 2010100742A1 JP 2009054183 W JP2009054183 W JP 2009054183W WO 2010100742 A1 WO2010100742 A1 WO 2010100742A1
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- Prior art keywords
- connection
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- pipe
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- cooling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
- H02K41/03—Synchronous motors; Motors moving step by step; Reluctance motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/24—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors with channels or ducts for cooling medium between the conductors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/193—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil with provision for replenishing the cooling medium; with means for preventing leakage of the cooling medium
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
- H02K9/197—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil in which the rotor or stator space is fluid-tight, e.g. to provide for different cooling media for rotor and stator
Definitions
- the present invention relates to an armature for a linear motor.
- Japanese Patent Application Laid-Open No. 2008-35698 discloses an armature core including a linearly extending yoke, a plurality of pole teeth arranged along the longitudinal direction of the yoke and fixed to the yoke, and a plurality of pole teeth.
- An armature for a linear motor having a plurality of exciting windings is shown.
- this linear motor armature is laid in a slot between two adjacent pole teeth with a part of the excitation winding interposed therebetween.
- a cooling line through which the refrigerant flows is arranged. This cooling pipe is used with one pipe bent in a zigzag shape.
- the conventional armature for a linear motor has a problem that the refrigerant pressure loss is large because the cooling pipe is long.
- the temperature gradient of the refrigerant in the cooling pipe is increased, and the bias generated in the temperature distribution of the entire armature is increased.
- An object of the present invention is to provide an armature for a linear motor that can reduce the pressure loss of the refrigerant flowing in the cooling pipe and can suppress the occurrence of a large bias in the temperature distribution of the entire armature.
- Another object of the present invention is to provide an armature for a linear motor capable of simplifying a structure for flowing a refrigerant in a cooling pipe in addition to the above object.
- Another object of the present invention is to provide a linear motor armature that can suppress an increase in the occupied volume of the linear motor armature.
- Another object of the present invention is to provide an armature for a linear motor that can enhance the effect of cooling a plurality of exciting windings.
- the linear motor armature to be improved by the present invention includes an armature core, a plurality of exciting windings, and a cooling device.
- the armature core includes a yoke extending linearly and a plurality of pole teeth arranged along the longitudinal direction of the yoke and fixed to the yoke.
- the plurality of pole teeth are spaced apart in the longitudinal direction of the yoke so as to form a slot between two adjacent pole teeth.
- the magnetic pole surfaces of the plurality of pole teeth may be connected by a magnetic conductive material. That is, the opening on the magnetic pole surface side of the slot may be closed with a magnetic conductive material.
- the plurality of excitation windings are arranged at least partially in the plurality of slots of the armature core to excite the plurality of pole teeth.
- the cooling device cools the plurality of excitation windings using a refrigerant.
- the cooling device includes a first cooling pipe, a second cooling pipe, and a manifold.
- the first cooling pipe line connects a plurality of adjacent straight pipe lines to each other so that the plurality of straight pipe lines extending inside the plurality of slots and the plurality of straight pipe lines are connected in series. And a first pair of connecting pipes provided at both ends of the first main pipe.
- the plurality of second cooling pipes connect two straight pipe lines adjacent to each other so that the plurality of straight pipe lines extending through the plurality of slots and the plurality of straight pipe lines are connected in series.
- a second zigzag main pipe having a plurality of connecting pipes, and a second pair of connecting pipes provided at both ends of the second main pipe, with a plurality of excitation windings interposed therebetween.
- a second main pipeline facing the first main pipeline.
- the manifold is provided to supply the refrigerant to the first cooling pipe and the second cooling pipe.
- the manifold and the first and second pair of connection pipes supply the refrigerant from one of the first pair of connection pipes and one of the second pair of connection pipes, and the first pair of connection pipes.
- the refrigerant is discharged from the other of the connection pipes and the other of the second pair of connection pipes.
- the refrigerant is supplied from one of the first pair of connection pipelines and one of the second pair of connection pipelines, and the other of the first pair of connection pipelines and the second pair of connections.
- the refrigerant flows in parallel through the two cooling pipes (first and second two cooling pipes), thereby cooling the plurality of exciting windings. Therefore, the length of one cooling pipe line is half that of the conventional one, and the pressure loss can be reduced to a quarter or less of the conventional one. Further, since the temperature gradient of the refrigerant in the refrigerant pipe can be made smaller than before, the temperature distribution bias of the entire armature can be reduced.
- the manifold includes one refrigerant inlet, two refrigerant discharge ports communicating with the one refrigerant inlet, one refrigerant outlet, and two refrigerant discharge ports communicating with the one refrigerant outlet, and is fixed to the armature core. can do.
- one connection pipe of the first pair of connection pipes of the first cooling pipe and one connection pipe of the second pair of connection pipes of the second cooling pipe are two refrigerants.
- refrigerant inlet refrigerant inlet
- refrigerant outlet refrigerant outlet
- the manifold can be fixed in the vicinity of one side surface located in the direction in which the slot of the armature core extends.
- the first and second pair of connection pipes are arranged in the connection pipe arrangement space located on the one side surface, and the two refrigerant discharge ports and the two refrigerant discharge ports of the manifold are provided. It is preferable to open toward the connecting pipe line arrangement space. In this way, the length of the first and second pair of connecting pipes can be shortened, and the occupied volume of the linear motor armature can be reduced.
- connection pipe extending from the opposite side of the first pair of connection pipes to the manifold and the manifold of the second pair of connection pipes are located. It is necessary to cross a connecting pipe line extending from the opposite side to the manifold. In this case, the two connection pipelines are crossed so as to form an intersection in the connection pipeline arrangement space, and at least a part of the intersection is connected to the plurality of connection pipelines included in the first main pipeline. It is preferable to locate between the plurality of connecting pipes included in the second main pipe. If it does in this way, the structure which crosses two connection pipe lines using the space of connection pipe line arrangement space can be formed easily. Even if two cooling pipes are used, the connection pipes of the respective cooling pipes can be stored in the connection pipe arrangement space in a compact manner.
- the plurality of pole teeth can be composed of a plurality of wound pole teeth around which the excitation winding is wound and a plurality of unwrapped pole teeth around which the excitation winding is not wound.
- the aforementioned intersection can be located on the unwrapped pole teeth. If it does in this way, a crossing part can be made to approach a non-winding pole tooth without an excitation winding. Therefore, even if two cooling pipelines are used, it is possible to prevent the occupied volume of the armature for the linear motor from increasing without protruding the intersection.
- the refrigerant flows from one side of the first main line and the second main line from the side where the manifold is located, and the manifold is located in the other main line of the first main line and the second main line. It is preferable to arrange the first and second pair of connection conduits so that the refrigerant flows from the side opposite to the side on which it is located. In this way, the temperature gradient of the refrigerant in the first main pipeline and the temperature gradient of the refrigerant in the second main pipeline are reversed, so that the bias generated in the temperature distribution of the entire armature can be reduced. it can.
- the cross-sectional shape of the pipe used for the first and second cooling pipes is rectangular, and one surface of the outer periphery of the first and second cooling pipes is opposed to the excitation winding, the first And the opposing area of a 2nd cooling conduit and an excitation winding can be enlarged, and the cooling effect of the heat which generate
- FIG. 5 is a sectional view taken along line VV in FIG. 2.
- FIG. 6 is a sectional view taken along line VI-VI in FIG. 4.
- the armature for a linear motor of this example constitutes a mover of a linear motor, and includes an armature core 1, six exciting windings 3, a manifold body 5, and a first And second cooling pipelines 7 and 9.
- the armature core 1 has a yoke 11 and 13 pole teeth (13, 15).
- the yoke 11 extends linearly in the left-right direction (longitudinal direction) toward the plane of FIG.
- the 13 pole teeth (13, 15) are arranged along the longitudinal direction of the yoke 11 (the moving direction of the mover of the linear motor).
- the 13 pole teeth are spaced apart in the longitudinal direction so as to form a slot 17 between the two adjacent pole teeth (13, 15).
- the pole teeth (13, 15) have magnetic pole faces 13a, 15a facing a permanent magnet row of a stator of a linear motor (not shown) with a gap therebetween. Then, one end of the 13 pole teeth (13, 15) located on the side opposite to the magnetic pole surfaces 13a, 15a is coupled to the yoke 11, respectively.
- the seven pole teeth 13 are formed integrally with the yoke 11 and constitute a non-wound pole tooth around which the excitation winding 3 is not wound.
- Reference numeral 15 denotes a wound pole tooth that is formed separately from the yoke 11 and on which the exciting winding 3 is wound.
- the outer periphery of the excitation winding 3 is covered with insulating paper.
- the seven unwrapped pole teeth 13 and the six wound pole teeth 15 are alternately arranged in the longitudinal direction so that the unwrapped pole teeth 13 are located at both ends of the yoke 11 in the longitudinal direction. .
- the wound pole teeth 15 have a shape that is the same shape as the unwrapped pole teeth 13 when fitted to the yoke 11 by the fitting structure.
- the winding pole tooth 15 is fitted with a trapezoidal fitting portion 15a that fits into the fitted portion 11a of the yoke 11, as shown by the rightmost winding pole tooth 15 on the paper surface of FIG. It has a base portion 15b continuous with the portion 15a at the end.
- the winding pole teeth 15 are attached to the yoke 11 by fitting the fitting portions 15 a and the base portions 15 b of the winding pole teeth 15 into the fitted portions 11 a of the yoke 11.
- the armature core 1 is composed of two armature core division units 18A and 18B.
- the armature core split unit 18A has two concave portions 19a
- the armature core split unit 18B has two convex portions 19b.
- the convex portion 19b has a trapezoidal shape.
- the concave portion 19a has a shape that can be fitted to the convex portion 19b.
- the combined body with the pole teeth 13 and the wound pole teeth 15 are configured by laminating a plurality of steel plates in a direction perpendicular to the longitudinal direction of the yoke 11.
- the manifold body 5 is made of a metal material such as aluminum, brass, or stainless steel, and is attached to the armature core 1 via the end bracket 6A of the fixture 6.
- the fixture 6 includes a pair of end brackets 6A and 6B fixed to both ends in the longitudinal direction of the yoke 11, and a mounting plate 6C (shown only in FIG. 2) fixed to the rear surface of the yoke 11 using the fitting groove 12. 3 is not shown in FIG. 3).
- One end bracket 6A includes a contact portion 6d (FIG. 1) that contacts the end surface of the armature core 1 in the longitudinal direction of the yoke 11, and an end portion 6e of the armature core 1 that is positioned on both sides in the direction in which the slot 17 extends.
- connection pipe arrangement space S in which a first and second pair of connection pipes (27, 29, 33, 35) to be described later are arranged is configured.
- the manifold main body 5 has a rectangular parallelepiped outline shape, and is fixed to a surface of the end bracket 6A opposite to the side where the connection pipe line placement space S is located.
- the refrigerant is supplied to the cooling pipe 9.
- the manifold body 5 is fixed in the vicinity of one side surface 2 positioned in the direction in which the slot 17 of the armature core 1 extends.
- the manifold is constituted by the end portion 6h to which the manifold body 5 and the manifold body 5 of the end bracket 6A are fixed. This is because a flow path (21b, 21c, etc.) is formed across the inside of the manifold body 5 and the inside of the end 6h of the end bracket 6A.
- an inlet through hole 21 and an outlet through hole 23 are formed in the manifold body 5.
- the inlet through hole 21 includes a refrigerant inlet 21a and two refrigerant discharge ports 21b and 21c.
- the refrigerant inlet 21a opens toward the side opposite to the side where the connecting pipe arrangement space S of the manifold body 5 is located.
- a hose (not shown) to which a refrigerant is supplied is fitted to the refrigerant inlet 21a.
- the two refrigerant discharge ports 21b and 21c communicate with the through passages 8a and 8b formed in the end bracket 6A.
- the two refrigerant discharge ports 21 b and 21 c communicate with the refrigerant inlet 21 a at the center of the manifold body 5. From this structure, as a result, the two refrigerant discharge ports 21b and 21c are open toward the connecting pipe line arrangement space S.
- the outlet through hole 23 includes a refrigerant outlet 23a and two refrigerant discharge ports 23b and 23c.
- the refrigerant outlet 23a opens to the side opposite to the side where the connecting pipe arrangement space S of the manifold body 5 is located.
- a hose (not shown) through which the refrigerant is discharged is fitted to the refrigerant outlet 23a.
- the two refrigerant discharge ports 23b and 23c communicate with the through passages 8c and 8d formed in the end bracket 6A.
- the two refrigerant discharge ports 23 b and 23 c communicate with the refrigerant outlet 23 a at the center of the manifold body 5.
- the two refrigerant discharge ports 23b and 23c are opened toward the connection pipe line arrangement space S, similarly to the two refrigerant discharge ports 21b and 21c.
- the first and second cooling pipes 7 and 9 installed in the armature core 1 absorb the heat generated from the exciting winding 3 through the flow of the refrigerant.
- the first cooling pipe 7 is formed by bending a copper pipe having a 0.1 mm-thick polyester tape or an insulating film made of electrodeposition coating formed on the surface thereof.
- the first main pipe 25 And a first pair of connection pipes 27 and 29.
- FIG. 5 which is a cross-sectional view taken along the line VV in FIG. 2
- the cross-sectional contour shape of the pipe used for the first cooling pipe 7 has a rectangular shape.
- the first main pipeline 25 is arranged in 12 slots 17 and includes 12 straight pipelines 25a (FIG.
- the first pair of connection pipes 27 and 29 are provided at both ends of the first main pipe 25.
- One connection pipe 27 of the first pair of connection pipes 27 and 29 is in the connection pipe line arrangement space S and is one of the first main pipe lines 25 located on the side where the manifold body 5 is located. It extends from the end toward the manifold body 5.
- the other connection pipeline 29 of the first pair of connection pipelines 27 and 29 is located in the connection pipeline arrangement space S and from the other end of the first main pipeline 25 located on the end bracket 6B side. , Extending toward the manifold body 5 through the connection pipe arrangement space S.
- the second cooling pipe 9 is formed by bending one copper pipe having a surface formed with an insulating film made of polyester tape having a thickness of 0.1 mm or electrodeposition coating, and the second main pipe 31. And a second pair of connection pipes 33 and 35. As shown in the cross-sectional view of FIG. 5, the second cooling pipe 9 has a rectangular cross-sectional outline shape like the first cooling pipe 7. As shown in FIGS. 1 to 3, the second main pipe 31 includes twelve straight pipes 31 a extending from the ends of the magnetic pole faces 13 a and 15 a inside the twelve slots 17 and twelve straight pipes. It has 11 connecting pipes 31b that connect two adjacent straight pipes 31a of twelve straight pipes 31a so as to connect the paths 31a in series, and has a zigzag shape as a whole.
- the first main pipeline 25 and the second main pipeline 31 are opposed to each other with a part of the excitation winding 3 in the 12 slots 17 interposed therebetween.
- one outer surface 31 c of the straight pipe 31 a faces the excitation winding 3.
- the second pair of connection pipelines 33 and 35 are provided at both ends of the second main pipeline 31.
- One connection pipe 33 of the second pair of connection pipes 33 and 35 is arranged in the connection pipe arrangement space S and is one end of the second main pipe 31 located on the end bracket 6B side.
- the other connection pipe 35 of the second pair of connection pipes 33 and 35 is in the connection pipe arrangement space S and the other of the second main pipes 31 located on the side where the manifold body 5 is located. It extends from the end toward the manifold body 5.
- connection pipeline 29 and the connection pipeline 33 intersect on the unwrapped pole teeth 13 (13B) so as to form an intersection C in the connection pipeline arrangement space S.
- a part of the intersecting portion C is located between the connecting conduit 25b and the connecting conduit 31b.
- the edge part of the connection pipe line 27 is fitted by the through-passage 8b and the refrigerant
- the end of the connecting pipe 33 is fitted in the through path 8a and the refrigerant discharge port 21b.
- the end of the connection pipe line 29 is fitted into the through path 8c and the refrigerant discharge port 23b.
- the end of the connecting pipe 35 is fitted into the through path 8d and the refrigerant discharge port 23c. Specifically, as shown in FIG.
- connection pipe line 27 which is a cross-sectional view taken along the line VI-VI of FIG. 4, the end of the connection pipe line 27 is in the O-ring 37 and the through-passage 8b disposed in the refrigerant discharge port 21c. It is fitted in the through-passage 8b and the refrigerant discharge port 21c while being shielded by the arranged resin ring 39.
- the end of the connecting pipe 33 is fitted into the through-passage 8a and the refrigerant discharge port 21b while being shielded by the O-ring 37 in the refrigerant discharge port 21b and the resin ring 39 disposed in the through-passage 8a. Yes.
- connection pipe line 29 is fitted in the through-passage 8c and the refrigerant discharge port 23b in a state shielded by the O-ring 37 and the resin ring 39 in the same manner.
- connection pipe 35 is also fitted in the through-passage 8d and the refrigerant discharge port 23c while being shielded by the O-ring 37 and the resin ring 39.
- manifold (5, 6h) the first pair of connection conduits 27 and 29, and the second pair of connection conduits 33 and 35 are one of the first pair of connection conduits 27 and 29.
- the refrigerant is supplied from one connection pipe 33 of the second connection pipe 27 and the second pair of connection pipes 33, 35, and the other connection pipe 29 and the first of the first pair of connection pipes 27, 29 are supplied.
- the refrigerant is discharged from the other connection pipe 35 of the pair of two connection pipes 33 and 35.
- the first and second cooling pipes 7 and 9 and the manifolds (5, 6h) constitute a cooling device that cools the six exciting windings 3 using the refrigerant.
- a part of the refrigerant that has flowed into the refrigerant inlet 21a passes through the connection pipe 27 into the first main pipe 25, and the first side from the side where the manifold body 5 is located. 1 in the main line 25. Then, it flows in the connection pipe 29 and flows out through the refrigerant outlet 23a.
- another part of the refrigerant that has flowed into the refrigerant inlet 21a passes through the connection pipe 33 and enters the second main pipe 31, and the second part from the side opposite to the side where the manifold body 5 is located. It flows through the main pipeline 31 and flows out through the refrigerant outlet 23a.
- the refrigerant flowing in the first main pipeline 25 cools the excitation winding 3 from the end on the yoke 11 side, and the refrigerant flowing in the second main pipeline 31 moves the excitation winding 3 on the magnetic pole surface 13a. , 15a is cooled from the end.
- the refrigerant flowing in the first main pipeline 25 cools the excitation winding 3 from the side where the manifold body 5 is located, and the refrigerant flowing in the second main pipeline 31 is the side where the manifold body 5 is located.
- the exciting winding 3 is cooled from the opposite side. Therefore, cooling of the excitation winding 3 proceeds from both the side where the manifold body 5 is located and the side opposite to the side where the manifold body 5 is located, and it is possible to prevent a large deviation in the temperature distribution of the entire armature.
- the refrigerant flows in parallel in the two cooling pipes (first and second cooling pipes 7 and 9), and the six exciting windings 3 are cooled.
- the length of one cooling pipe is half that of the conventional one, and the pressure loss is one-fourth or less of the conventional one.
- the manifold body 5 includes one refrigerant inlet 21a and two refrigerant discharge ports 21b and 21c communicating with the one refrigerant inlet 21a, one refrigerant outlet 23a and two refrigerant exhausts communicating with the one refrigerant outlet.
- the refrigerant inlet part (refrigerant inlet 21a) and the refrigerant outlet part (refrigerant outlet 23a) can be provided even if the two cooling pipes 7 and 9 arranged in parallel are used. Only one manifold body 5 may be provided. Therefore, it is possible to simplify the structure in which the manifold body 5 has a simple structure and the coolant flows in the cooling pipes 7 and 9.
- the refrigerant flows in parallel in the two cooling pipes to cool the plurality of exciting windings, so that the length of one cooling pipe is half that of the conventional one, and the pressure loss is reduced. Or less than one-fourth. Moreover, according to this invention, it can suppress that big bias arises in the temperature distribution of the whole armature. Furthermore, according to this invention, it can suppress that the occupation volume of the armature for linear motors becomes large.
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Abstract
Description
Claims (7)
- 直線状に延びるヨーク及び前記ヨークの長手方向に沿って配置されて前記ヨークに固定された複数の極歯を備え、前記複数の極歯が隣接する2つの前記極歯間にスロットを形成するように前記長手方向に間隔をあけて配置されている電機子コアと、
前記電機子コアの複数の前記スロット内に少なくとも一部が配置されて前記複数の極歯を励磁する複数の励磁巻線と、
前記複数の励磁巻線を冷媒を用いて冷却する冷却装置とを備え、
前記冷却装置が、
前記複数のスロット内部を延びる複数の直管路と前記複数の直管路を直列に接続するように、前記複数の直管路の隣り合う2つの直管路を連結する複数の連結管路とを備えてなるジグザグ状の第1の主管路と、前記第1の主管路の両端に設けられた第1の一対の接続管路とを備えた第1の冷却管路と、
前記複数のスロット内部を延びる複数の直管路と前記複数の直管路を直列に接続するように、前記複数の直管路の隣り合う2つの直管路を連結する複数の連結管路とを備えてなるジグザグ状の第2の主管路と、前記第2の主管路の両端に設けられた第2の一対の接続管路とを備えて、前記複数の励磁巻線を間に介して前記第1の主管路と対向する第2の主管路を備えた第2の冷却管路と、
前記第1の冷却管路及び前記第2の冷却管路に冷媒を供給するために設けられたマニホールドとを具備してなるリニアモータ用電機子であって、
前記マニホールド並びに前記第1及び第2の一対の接続管路は、前記第1の一対の接続管路の一方及び前記第2の一対の接続管路の一方から前記冷媒を供給し、前記第1の一対の接続管路の他方及び前記第2の一対の接続管路の他方から前記冷媒を排出するように構成されていることを特徴とするリニアモータ用電機子。 - 前記マニホールドは、1つの冷媒入口及び該一つの冷媒入口と連通する2つの冷媒吐出口と、1つの冷媒出口及び該1つの冷媒出口と連通する2つの冷媒排出口とを備えて前記電機子コアに固定され、
前記第1の冷却管路の前記第1の一対の接続管路の一方の接続管路及び前記第2の冷却管路の前記第2の一対の接続管路の一方の接続管路が前記2つの冷媒吐出口にそれぞれ接続され、前記第1の冷却管路の前記第1の一対の接続管路の他方の接続管路及び前記第2の冷却管路の前記第2の一対の接続管路の他方の接続管路が前記2つの冷媒排出口にそれぞれ接続されるように、前記第1及び第2の一対の接続管路の形状が定められていることを特徴とする請求項1に記載のリニアモータ用電機子。 - 前記マニホールドは、前記電機子コアの前記スロットが延びる方向に位置する1つの側面の近傍に固定され、
前記第1及び第2の一対の接続管路は、前記側面上に位置する接続管路配置空間内に配置され、
前記マニホールドの前記2つの冷媒吐出口及び前記2つの冷媒排出口は、前記接続管路配置空間側に向かって開口していることを特徴とする請求項2に記載のリニアモータ用電機子。 - 前記第1の一対の接続管路のうち前記マニホールドが位置する側とは反対側から前記マニホールドに向かって延びる接続管路と、前記第2の一対の接続管路のうち前記マニホールドが位置する側とは反対側から前記マニホールドに向かって延びる接続管路とが、前記接続管路配置空間内で交差部を形成するように交差しており、
前記交差部の少なくとも一部は、前記第1の主管路に含まれる複数の前記連結管路と前記第2の主管路に含まれる複数の前記連結管路の間に位置していることを特徴とする請求項3に記載のリニアモータ用電機子。 - 前記複数の極歯は、前記励磁巻線が巻装される複数の巻装極歯と、前記励磁巻線が巻装されない複数の非巻装極歯とからなり、
前記交差部は前記非巻装極歯上に位置している請求項4に記載のリニアモータ用電機子。 - 前記第1の主管路及び前記第2の主管路の一方の主管路内には前記マニホールドが位置する側から冷媒が流れ、前記第1の主管路及び前記第2の主管路の他方の主管路内には前記マニホールドが位置する側とは反対側から冷媒が流れるように、前記第1及び第2の一対の接続管路が配置されていることを特徴とする請求項4に記載のリニアモータ用電機子。
- 前記第1及び第2の冷却管路の横断面形状が矩形形状を有しており、
前記第1及び第2の冷却管路の外周の1つの面が前記励磁巻線に対向している請求項1~6のいずれか1つに記載のリニアモータ用電機子。
Priority Applications (6)
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JP2011502545A JP5399470B2 (ja) | 2009-03-05 | 2009-03-05 | リニアモータ用電機子 |
KR1020117021446A KR20110128298A (ko) | 2009-03-05 | 2009-03-05 | 리니어 모터용 전기자 |
EP09841106.9A EP2393188A4 (en) | 2009-03-05 | 2009-03-05 | Armature for linear motor |
US13/203,768 US8368258B2 (en) | 2009-03-05 | 2009-03-05 | Armature for linear motor |
PCT/JP2009/054183 WO2010100742A1 (ja) | 2009-03-05 | 2009-03-05 | リニアモータ用電機子 |
CN200980157785.0A CN102342005B (zh) | 2009-03-05 | 2009-03-05 | 线性电动机用电枢 |
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PCT/JP2009/054183 WO2010100742A1 (ja) | 2009-03-05 | 2009-03-05 | リニアモータ用電機子 |
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WO2010100742A1 true WO2010100742A1 (ja) | 2010-09-10 |
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PCT/JP2009/054183 WO2010100742A1 (ja) | 2009-03-05 | 2009-03-05 | リニアモータ用電機子 |
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US (1) | US8368258B2 (ja) |
EP (1) | EP2393188A4 (ja) |
JP (1) | JP5399470B2 (ja) |
KR (1) | KR20110128298A (ja) |
CN (1) | CN102342005B (ja) |
WO (1) | WO2010100742A1 (ja) |
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CN102510173A (zh) * | 2011-11-09 | 2012-06-20 | 哈尔滨泰富实业有限公司 | 扁平型永磁直线水冷电机冷却结构 |
JP2014042423A (ja) * | 2012-08-23 | 2014-03-06 | Sanyo Denki Co Ltd | リニアモータ |
JP2015216793A (ja) * | 2014-05-12 | 2015-12-03 | 住友重機械工業株式会社 | リニアモータ用電機子 |
JP2017510232A (ja) * | 2014-01-22 | 2017-04-06 | エーエスエムエル ネザーランズ ビー.ブイ. | コイルアセンブリ、電磁アクチュエータ、ステージ位置決め装置、リソグラフィ装置およびデバイス製造方法 |
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EP2498380A1 (en) * | 2011-03-09 | 2012-09-12 | Siemens Aktiengesellschaft | Stator arrangement |
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KR101420254B1 (ko) * | 2012-11-07 | 2014-07-18 | 한국전기연구원 | 냉각 구조를 구비한 모듈형 전기기기 |
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US20150091398A1 (en) * | 2013-10-02 | 2015-04-02 | Remy Technologies, Llc | Electric machine with in slot cooling system |
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DE112018003847T5 (de) * | 2017-07-28 | 2020-04-09 | Nidec Corporation | Motor |
WO2021135374A1 (zh) | 2019-12-31 | 2021-07-08 | 浙江盘毂动力科技有限公司 | 电机冷却系统、电机定子及盘式电机 |
CN112366866A (zh) * | 2020-10-29 | 2021-02-12 | 株洲中车时代电气股份有限公司 | 一种用于直线电机的初级结构及其制造方法、直线电机 |
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Also Published As
Publication number | Publication date |
---|---|
EP2393188A4 (en) | 2017-05-03 |
US8368258B2 (en) | 2013-02-05 |
CN102342005B (zh) | 2014-02-19 |
JP5399470B2 (ja) | 2014-01-29 |
KR20110128298A (ko) | 2011-11-29 |
JPWO2010100742A1 (ja) | 2012-09-06 |
CN102342005A (zh) | 2012-02-01 |
US20110316358A1 (en) | 2011-12-29 |
EP2393188A1 (en) | 2011-12-07 |
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