WO2017057297A1 - 固定子、固定子を用いたモータ、および固定子の製造方法 - Google Patents
固定子、固定子を用いたモータ、および固定子の製造方法 Download PDFInfo
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- WO2017057297A1 WO2017057297A1 PCT/JP2016/078319 JP2016078319W WO2017057297A1 WO 2017057297 A1 WO2017057297 A1 WO 2017057297A1 JP 2016078319 W JP2016078319 W JP 2016078319W WO 2017057297 A1 WO2017057297 A1 WO 2017057297A1
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- winding
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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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
- H02K3/18—Windings for salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/022—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with salient poles or claw-shaped poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
- H02K15/0435—Wound windings
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/08—Forming windings by laying conductors into or around core parts
- H02K15/095—Forming windings by laying conductors into or around core parts by laying conductors around salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/52—Fastening salient pole windings or connections thereto
- H02K3/521—Fastening salient pole windings or connections thereto applicable to stators only
- H02K3/522—Fastening salient pole windings or connections thereto applicable to stators only for generally annular cores with salient poles
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/06—Machines characterised by the wiring leads, i.e. conducting wires for connecting the winding terminations
Definitions
- the present invention relates to a stator, a motor using the stator, and a method for manufacturing the stator.
- a stator used for a motor includes a cylindrical core having a projecting portion called a tooth and a plurality of windings made of a conductive wire wound around each tooth.
- the step of winding the conductive wire around the teeth is performed by a winding device as disclosed in Patent Document 1 (Japanese Patent Application Laid-Open No. 2004-274878).
- the winding device has a plurality of nozzles provided radially. Each nozzle simultaneously discharges the conductive wire and revolves around the teeth to wrap the conductive wire around the teeth to create a winding. This method is called simultaneous concentrated winding.
- the two lead wires corresponding to both ends of the conducting wire respectively extend from the plurality of completed windings.
- an assembly operator After the winding process, an assembly operator performs a connection process for connecting a part of a large number of lead wires to create a power line and a neutral line.
- An object of the present invention is to provide a motor stator that has a low probability of defective products and can be manufactured efficiently.
- the stator of the simultaneous concentrated winding motor includes a core, a plurality of windings, and a plurality of first lead lines and second lead lines.
- m is an integer of 2 or more.
- the core has 3 ⁇ m teeth.
- the number of windings is 3 ⁇ m.
- the plurality of windings are respectively disposed on the teeth.
- the plurality of first lead lines and second lead lines extend from each of the windings.
- Each of the plurality of windings corresponds to one of the U phase, the V phase, and the W phase.
- the 3 ⁇ m windings have at least U1 and U2 windings belonging to the U phase, V1 and V2 windings belonging to the V phase, and W1 and W2 windings belonging to the W phase.
- the first lead lines of the U1 winding, the V1 winding, and the W1 winding extend from the teeth where the U1 winding, the V1 winding, and the W1 winding are disposed, respectively.
- the first lead lines of the U2 winding, the V2 winding, and the W2 winding extend from the teeth where the U1 winding, the V1 winding, and the W1 winding are disposed, respectively.
- the two first lead lines of the U1 winding and the U2 winding extend from the same tooth.
- the stator according to the second aspect of the present invention is the stator according to the first aspect, wherein 3 ⁇ m windings belong to the U3 winding belonging to the U phase, the V3 winding belonging to the V phase, and the W phase. W3 winding is further provided.
- the first lead lines of the U3 winding, the V3 winding, and the W3 winding extend from the teeth where the U3 winding, the V3 winding, and the W3 winding are disposed, respectively.
- the stator according to the third aspect of the present invention is the stator according to the first aspect, wherein 3 ⁇ m windings belong to the U3 winding belonging to the U phase, the V3 winding belonging to the V phase, and the W phase. W3 winding is further provided.
- the first lead lines of the U3 winding, the V3 winding, and the W3 winding extend from the teeth where the U1 winding, the V1 winding, and the W1 winding are disposed, respectively.
- the three first lead lines belonging to the same phase are arranged together. Therefore, the connecting work of the leader line becomes easier.
- a stator according to a fourth aspect of the present invention is the stator according to the first aspect, in which 3 ⁇ m windings include a U3 winding and a U4 winding belonging to the U phase, a V3 winding belonging to the V phase, and It further has a V4 winding, a W3 winding and a W4 winding belonging to the W phase.
- the first lead lines of the U3 winding, the V3 winding, and the W3 winding extend from the teeth where the U3 winding, the V3 winding, and the W3 winding are disposed, respectively.
- the first lead lines of the U4 winding, the V4 winding, and the W4 winding extend from the teeth where the U3 winding, the V3 winding, and the W3 winding are disposed, respectively.
- the first lead lines belonging to the same phase are arranged together. Therefore, the connecting work of the leader line becomes easier.
- the stator according to the fifth aspect of the present invention is the stator according to any one of the first aspect to the fourth aspect, wherein each of the second lead wires of 3 ⁇ m windings is wound around the stator. It extends from the tooth where the line is located.
- the second leader line extends from each tooth. Therefore, the assembly operator can easily know that the leader line arranged together is the first leader line.
- the motor according to the sixth aspect of the present invention includes a stator and a rotor.
- the stator is according to any one of the first to fifth aspects.
- the rotor has a permanent magnet.
- the permanent magnet interacts magnetically with the stator.
- the two first lead lines of the U1 winding and the U2 winding extend from the same tooth.
- stator manufacturing method when m is an integer of 2 or more, 3 ⁇ m conductors are wound around 3 ⁇ m teeth of the core, respectively, thereby
- the stator is manufactured by forming 3 ⁇ m windings surrounding the coil and 6 ⁇ m lead wires extending from both ends of each winding.
- the method includes providing a winding device having 3 ⁇ m nozzles that can move around the teeth while discharging 3 ⁇ m conductors radially.
- the method includes causing the winding device and the core to form a first relative angle.
- the method includes a step in which a part of the 3 ⁇ m conductors is fixed with a fixture and the rest is not fixed.
- the method includes the steps of 3 ⁇ m nozzles each moving around one of the 3 ⁇ m teeth.
- the method includes causing the winding device and the core to form a second relative angle by rotating the winding device relative to the central axis of the core.
- the method includes the step of fixing all of the 3 ⁇ m conductors with a fixture.
- the method includes the steps of 3 ⁇ m nozzles each moving around one of the 3 ⁇ m teeth.
- the relative rotation between the core and the 3 ⁇ m nozzles is performed only at the central angle corresponding to an integer multiple of 3 teeth. Therefore, the manufacturing efficiency is improved in manufacturing the stator for the three-phase motor.
- the stator manufacturing method according to the ninth aspect of the present invention is the method according to the seventh aspect or the eighth aspect, in which the 3 ⁇ m windings are formed so that the winding device and the core have a second relative angle. It is performed in the forming state.
- the connecting wire between the teeth and the lead wire including the connecting wire are wound at the beginning of winding of the conducting wire, and are gripped between the winding formed later and the core. Therefore, the possibility that the positions of the crossover line and the leader line are shifted can be reduced.
- stator of the simultaneous concentrated winding motor According to the stator of the simultaneous concentrated winding motor according to the first aspect, erroneous lead wire connection is suppressed and the manufacturing efficiency of the stator is improved.
- the connecting work of the lead lines becomes easy.
- the assembly operator can easily know that the leader line arranged together is the first leader line.
- the motor according to the sixth aspect can suppress erroneous lead wire connections and improve motor manufacturing efficiency.
- stator manufacturing method According to the stator manufacturing method according to the seventh aspect and the eighth aspect, erroneous lead wire connection is suppressed, and the manufacturing efficiency of the stator is improved.
- stator manufacturing method it is possible to reduce the possibility that the positions of the jumper wire and the lead wire are shifted.
- FIG. 9 A sectional view of motor 90 concerning one embodiment of the present invention is shown.
- the top view of the stator core 20 which comprises the stator 10 is shown.
- the top view of 30 A of upper insulators which comprise the stator 10 is shown.
- a sectional view of winding device 100 is shown. It is a top view which shows the initial stage process of formation of the conventional coil
- FIG. FIG. 6 is a bottom view showing a lower side of a stator in forming a conventional winding using the winding device 100. It is a top view which shows the last stage process of formation of the conventional coil
- FIG. FIG. 6 is a circuit diagram showing wiring of windings C1 to C9.
- FIG. 10 It is a top view which shows the stator 10 which concerns on one Embodiment of this invention. It is a schematic diagram which shows the 1st process in manufacture of the stator 10 which concerns on this invention. It is a schematic diagram which shows the 2nd process in manufacture of the stator 10 which concerns on this invention. It is a schematic diagram which shows the 3rd process in manufacture of the stator 10 which concerns on this invention. It is a schematic diagram which shows the 4th process in manufacture of the stator 10 which concerns on this invention. It is a schematic diagram which shows the 5th process in manufacture of the stator 10 which concerns on this invention. It is a schematic diagram which shows the 6th process in manufacture of the stator 10 which concerns on this invention. It is a schematic diagram which shows the 7th process in manufacture of the stator 10 which concerns on this invention. It is a schematic diagram which shows the 8th process in manufacture of the stator 10 which concerns on this invention.
- FIG. 1 shows a motor 90 according to an embodiment of the present invention.
- the motor 90 includes a housing 80 that houses component parts, a stator 10 that is fixed to the housing 80, a rotor 50 that is disposed in a cavity of the stator 10, and a shaft 70 that is fixed to the rotor 50.
- the rotor 50 rotates around the central axis A together with the shaft 70 by magnetically interacting with the stator 10.
- the stator 10 has a winding C and the rotor 50 has a permanent magnet 52.
- Stator 10 has, besides winding C, stator core 20 made of laminated steel sheets, and upper insulator 30A and lower insulator 30B installed on upper surface 20a and lower surface 20b of stator core 20, respectively.
- Winding C is made of a conductive wire wound around stator core 20 and two insulators 30A and 30B at the same time.
- the rotor 50 has, in addition to the permanent magnet 52, a rotor core 51 made of laminated steel plates and two end plates 53 installed on the upper and lower surfaces of the rotor core 51.
- the permanent magnet 52 is inserted into a through hole formed in the rotor core 51 and is restrained by the end plate 53.
- FIG. 2 is a plan view of the stator core 20 according to the present invention.
- the stator core 20 forms nine poles on the stator 10 of the three-phase motor 90.
- the stator core 20 has a cylindrical shape having a cavity V for installing the rotor 50 as a whole.
- the stator core 20 includes an annular portion 21 that forms an outer edge, nine teeth T1 to T9 that protrude from the annular portion 21 toward the central axis A, and engaging portions that are located at the tips of the teeth T1 to T9. 22.
- the teeth T1 to T9 are for forming the winding C by winding a conducting wire.
- FIG. 3 is a plan view of the upper insulator 30A.
- the insulator 30A is made of resin.
- the insulator 30 ⁇ / b> A includes an outer wall portion 31, an inner wall portion 32, and nine teeth cover portions 33.
- the outer wall portion 31 and the inner wall portion 32 at least partially overlap the annular portion 21 and the engaging portion 22 of the stator core 20, respectively.
- Each teeth cover portion 33 covers the corresponding teeth T1 to T9.
- the configuration of the lower insulator 30B shown in FIG. 1 is the same as that of the upper insulator 30A in FIG.
- the winding device 100 whose cross section is shown in FIG. 4 is used for forming the winding C in manufacturing the stator 10.
- the winding device 100 includes a circular body 101, a plurality of nozzles N1 to N9 arranged radially on the body 101, and fixtures H1 to H9 described later with reference to FIG.
- the body 101 shown in FIG. can move in the direction in which the central axis A extends, that is, in the direction perpendicular to the paper surface of FIG.
- the nozzles N1 to N9 discharge the conductive wire Z supplied from a conductive wire source (not shown) from the discharge port D to the outside in the radial direction of the body 101. Furthermore, each of the nozzles N1 to N9 can move radially outward and inward with respect to the body 101, thereby changing the radial position of the discharge port D.
- FIG. 5 is a plan view showing an initial process of forming a conventional winding C using the winding device 100.
- FIG. In this figure, two insulators 30 ⁇ / b> A and 30 ⁇ / b> B are stacked on the stator core 20, and the winding device 100 is located in the cavity V thereof.
- the upper insulator 30A provided on the upper surface of the stator core 20 is visible, and in a strict sense, the teeth T1 to T9 of the stator core cannot be seen.
- teeth reference numerals are attached to the portions of the teeth cover portion 33 corresponding to the teeth T1 to T9.
- FIG. 5 shows a state in which the nozzles N1 to N9 start revolving from below the stator 10 and then complete a half cycle of revolving.
- FIG. 6 is a bottom view showing the lower surface of the stator 10 at this time, that is, the lower insulator 30B.
- the tips of the conductive wires Z communicating with the nozzles N1 to N9 are fixed by fixtures H1 to H9, respectively.
- FIG. 7 is a plan view showing an end stage process of forming a conventional winding C using the winding apparatus 100.
- FIG. The nozzles N1 to N9 have completed many cycles of revolution, and the windings C1 to C9 are formed by winding the conductive wire Z around the teeth T1 to T9.
- connection process After the formation of the windings C1 to C9 by the winding device 100, a connection process is performed to realize the wiring shown in FIG. In the connection process, by connecting two outgoing lines extending from each of the windings C1 to C9, the power lines PL connected to the terminals PH-U, PH-V, PH-W, and all A neutral line NL connecting the windings C1 to C9 is formed. Thereby, the stator 10 is completed.
- FIG. 9 is a plan view showing the upper side of the stator 10 according to the present invention.
- the stator 10 is formed with three traveling lines Lt1 to Lt3 that cross between different teeth.
- the first crossover line Lt1 extends from the tooth T1 to the tooth T4.
- the second crossover line Lt2 extends from the tooth T2 to the tooth T5.
- the third crossover line Lt3 extends from the tooth T3 to the tooth T6.
- the stator 10 is also manufactured using the winding device 100 described above.
- the laminated body including the teeth T1 to T9 and the tooth cover portion 33 is schematically illustrated as a simple rectangle.
- the plurality of nozzles N1 to N9 are located below the stator 10.
- the stator 10 and the winding device 100 are arranged such that the tooth T1 forms a first relative angle close to the nozzle N4. Only the tips of the conductive wires Z discharged from some of the nozzles N4 to N6 are fixed to the fixtures H4 to H6. For the other nozzles N1 to N3 and N7 to N9, the conducting wire Z is not fixed.
- the stator 10 is rotated relative to the winding device 100.
- the stator 10 and the winding apparatus 100 are arrange
- the lead wire Z is drawn out from a part of the nozzles N4 to N6 over a large length.
- the new conductor Z is fixed at the second relative angle using all of the fixtures H1 to H9.
- Fixing tools H1 to H9 fix the conductive wires Z discharged from the nozzles N1 to N9, respectively.
- all the nozzles N1 to N9 start revolving around the teeth T1 to T9 at the second relative angle. As the revolution repeats, the nozzles N1 to N9 gradually move radially inward with respect to the body 101 so that the position of the discharge port D shown in FIG. Alternatively, the nozzles N1 to N9 may not only move radially inward but also reciprocate along the radial direction.
- the nozzles N1 to N9 finish winding the conductive wire Z, and the windings C1 to C9 are formed.
- the lead wire Z fixed to the fixtures H1 to H9 is released.
- the above-mentioned three crossover lines Lt1 to Lt3 are formed. From the teeth T7 to T9, first lead lines La7 to La9 corresponding to the start of winding of the conducting wire Z and second lead lines Lb7 to Lb9 corresponding to the end of winding of the conducting wire Z extend, respectively. Only the second lead lines Lb4 to Lb6 extend from the teeth T4 to T6, respectively. From the teeth T1 to T3, two first lead lines La1 to La6 and one second lead line Lb1 to Lb3 extend, respectively. The nine first lead lines La1 to La9 and the nine second lead lines Lb1 to Lb9 are connected so as to realize the wiring of FIG. 8 in the connecting step.
- the wiring is as follows.
- the terminal PH-U includes three lead wires of three windings belonging to the U phase, that is, a first lead wire La1 extending from the U1 winding C1, a first lead wire La4 extending from the U2 winding C4, and a U3 winding.
- a first lead line La7 extending from C7 is connected to form a U-phase power supply line PL.
- the terminal PH-V has three lead wires belonging to the V phase, that is, the first lead wire La2 extending from the V1 winding C2 and the first lead wires La5 and V3 extending from the V2 winding C5.
- a first lead line La8 extending from C8 is connected to form a V-phase power supply line PL.
- the terminal PH-W includes first lead lines of three windings belonging to the W phase, that is, first lead lines La3 extending from the W1 winding C3 and first lead lines La6 and W3 extending from the W2 winding C6.
- a first lead line La9 extending from C9 is connected to form a W-phase power supply line PL.
- the second lead lines Lb1 to Lb9 extending from all the windings C1 to C9 are connected together, thereby forming a neutral line NL.
- the second lead lines Lb1 to Lb9 extend from the respective teeth T1 to T9. According to this configuration, the assembly operator can easily know that the leader line arranged together is the first leader line.
- two first lead lines La1 and La4 of U1 winding C1 and U2 winding C4 extend from the same tooth T1. The same applies to the two first lead lines La2 and La5 of the V1 winding C2 and the V2 winding C5 and the two first lead lines La3 and La6 of the W1 winding C3 and the W2 winding C6.
- the motor 90 has three-phase nine-pole windings C1 to C9.
- the motor may have other numbers of windings.
- the motor may have a three-phase 12-pole winding.
- the U1 winding C1, U2 winding C4, U3 winding C7, and U4 winding C10 belong to the U phase.
- V1 winding C2, V2 winding C5, V3 winding C8, and V4 winding C11 belong to the V phase.
- W1 winding C3, W2 winding C6, W3 winding C9, and W4 winding C12 belong to the W phase.
- the first lead lines La1 to La12 may be arranged as follows.
- the first lead lines belonging to the same phase are arranged together. According to this configuration, the work of connecting the lead lines becomes easier.
- the first lead lines La1 to La9 at the start of winding of the windings C1 to C9 are configured as the power supply line PL
- the second lead lines Lb1 to Lb9 at the end of winding of the windings C1 to C9 are neutral wires.
- NL configured.
- the first lead lines La1 to La9 may constitute the neutral line NL
- the second lead lines Lb1 to Lb9 may constitute the power supply line PL.
- the present invention is widely applicable to various types of motors including a motor mounted on a compressor of a refrigeration apparatus.
Abstract
Description
図1は、本発明の一実施形態に係るモータ90を示す。モータ90は、構成部品を収容する筐体80、筐体80に固定された固定子10、固定子10の空洞に配置された回転子50、回転子50に固定されたシャフト70を備える。回転子50は、固定子10と磁気的に相互作用することによって、シャフト70とともに中心軸Aの周りに回転する。磁気的な相互作用を行うために、固定子10は巻線Cを有し、回転子50は永久磁石52を有している。
(2-1)固定子コア20
図2は本発明に係る固定子コア20の平面図である。固定子コア20は、3相のモータ90の固定子10に、9個の極を形成する。
図3は、上側のインシュレータ30Aの平面図である。インシュレータ30Aは樹脂製である。インシュレータ30Aは、外壁部31、内壁部32、および9個のティースカバー部33を有する。外壁部31および内壁部32は、それぞれ、固定子コア20の円環部21および係合部22と少なくとも部分的に重なり合う。各ティースカバー部33は、それぞれ、対応するティースT1~T9を覆う。
通常、固定子10の製造における巻線Cの形成には、図4にその断面を示した巻線装置100が用いられる。巻線装置100は、円形のボディ101、ボディ101に放射状に配置された複数のノズルN1~N9、および、図6を参照して後述する固定具H1~H9を有する。
公転の半サイクルを終えた状態である。
図9は、本発明に係る固定子10の上側を示す平面図である。本図から理解される通り、固定子10には、異なるティースの間を渡る3本の渡り線(travelling lines)Lt1~Lt3が形成されている。1番目の渡り線Lt1はティースT1からティースT4へ延びている。2番目の渡り線Lt2はティースT2からティースT5へ延びている。3番目の渡り線Lt3はティースT3からティースT6へ延びている。この固定子10もまた、前述した巻線装置100を用いて製造される。
(5-1)
固定子10においては、図17に示されるように、U1巻線C1およびU2巻線C4の2つの第1引出線La1、La4は、同じティースT1から延びる。V1巻線C2およびV2巻線C5の2つの第1引出線La2、La5、および、W1巻線C3およびW2巻線C6の2つの第1引出線La3、La6についても同様である。
9個の巻線C1~C9を有するモータ90において、同じ相に属する3つの第1引出線のうちの2つがまとまって配置される。この構成によれば、引出線の接続作業が容易になる。
第2引出線Lb1~Lb9はそれぞれのティースT1~T9から延びる。この構成によれば、組立作業者は、まとまって配置されている引出線が第1引出線であることを容易に知ることができる。
モータ90においては、図17に示されるように、U1巻線C1およびU2巻線C4の2つの第1引出線La1、La4は、同じティースT1から延びる。V1巻線C2およびV2巻線C5の2つの第1引出線La2、La5、および、W1巻線C3およびW2巻線C6の2つの第1引出線La3、La6についても同様である。
固定子10の製造においては、ティース間を渡る渡り線Lt1~Lt3が形成される。この製造方法によれば、渡り線Lt1~Lt3の存在により、接続すべき第1引出線の一部がまとまって配置される。したがって、誤った引出線の接続が抑制されるとともに、固定子10の製造効率が改善される。
固定子コア20と9個のノズルN1~N9との相対回転は、ティースの3個分に相当する中心角だけ行われる。この方法によれば、3相モータ90用の固定子10の製造において、製造効率が改善される。相対回転の中心角の大きさが、例えばティース6個分またはティース9個分などの、3の整数倍個のティースに相当する中心角であっても、同様の効果を期待できる。
ティース間を渡る渡り線Lt1~Lt3およびその渡り線Lt1~Lt3を含む第1引出線La4~La6は、導線Zの巻き始めの段階において這いまわされ、のちに形成される巻線C1~C9と固定子コア20との間に把持される。この方法によれば、渡り線Lt1~Lt3および第1引出線La4~La6の位置がずれるおそれを低減できる。
(6-1)
上述の実施形態では、同一の相に属する第1引出線の一部のみが、まとまって配置される。これに代えて、同一の相に属する第1引出線の全部がまとまって配置されてもよい。
上述の実施形態では、モータ90は3相9極の巻線C1~C9を有する。これに代えて、モータはこれ以外の数の巻線を有してもよい。例えば、モータは3相12極の巻線を有してもよい。この場合、U相には、U1巻線C1、U2巻線C4、U3巻線C7、U4巻線C10が属する。V相には、V1巻線C2、V2巻線C5、V3巻線C8、V4巻線C11が属する。W相には、W1巻線C3、W2巻線C6、W3巻線C9、W4巻線C12が属する。
上述の実施形態では、各巻線C1~C9の巻き始めの第1引出線La1~La9は電源線PLに構成され、各巻線C1~C9の巻き終わりの第2引出線Lb1~Lb9は中性線NLに構成される。これに代えて、第1引出線La1~La9で中性線NLを、第2引出線Lb1~Lb9で電源線PLを構成してもよい。
A 中心軸
H1~H9 固定具
La1~La9 第1引出線
Lb1~Lb9 第2引出線
Lt1~Lt3 渡り線
N1~N9 ノズル
T、T1~T9 ティース
V 空洞
Z 導線
10 固定子
20 固定子コア
20a 上面
20b 下面+
21 円環部
30A 上側インシュレータ
30B 下側インシュレータ
50 回転子
51 回転子コア
52 永久磁石
53 端板
70 シャフト
80 筐体
90 モータ
100 巻線装置
Claims (9)
- mを2以上の整数としたときに3×m個のティース(T1~T9)を有するコア(20)と、
前記ティースにそれぞれ配置された、U相、V相、W相に対応する3×m個の巻線(C1~C9)と、
前記巻線の各々から延びる、複数の第1引出線(La1~La6)および第2引出線(Lb1~Lb6)と、
を備える同時集中巻モータの固定子(10)であって、
3×m個の前記巻線は、
前記U相に属するU1巻線(C1)およびU2巻線(C4)、
前記V相に属するV1巻線(C2)およびV2巻線(C5)、
前記W相に属するW1巻線(C3)およびW2巻線(C6)、
を少なくとも有し、
前記U1巻線、前記V1巻線、および前記W1巻線の第1引出線が、それぞれ、前記U1巻線、前記V1巻線、および前記W1巻線が配置されている前記ティース(T1、T2、T3)から延びており、
前記U2巻線、前記V2巻線、および前記W2巻線の第1引出線が、それぞれ、前記U1巻線、前記V1巻線、および前記W1巻線が配置されている前記ティース(T1、T2、T3)から延びている、
固定子。 - 3×m個の前記巻線は、
前記U相に属するU3巻線(C7)、
前記V相に属するV3巻線(C8)、
前記W相に属するW3巻線(C9)、
をさらに有し、
前記U3巻線、前記V3巻線、および前記W3巻線の第1引出線は、それぞれ、前記U3巻線、前記V3巻線、および前記W3巻線が配置されている前記ティース(T7、T8、T9)から延びている、
請求項1に記載の固定子。 - 3×m個の前記巻線は、
前記U相に属するU3巻線(C7)、
前記V相に属するV3巻線(C8)、
前記W相に属するW3巻線(C9)
をさらに有し、
前記U3巻線、前記V3巻線、および前記W3巻線の第1引出線は、それぞれ、前記U1巻線、前記V1巻線、および前記W1巻線が配置されている前記ティース(T1、T2、T3)から延びている、
請求項1に記載の固定子。 - 3×m個の前記巻線は、
前記U相に属するU3巻線(C7)およびU4巻線(C10)、
前記V相に属するV3巻線(C8)およびV4巻線(C11)、
前記W相に属するW3巻線(C9)およびW4巻線(C12)、
をさらに有し、
前記U3巻線、前記V3巻線、および前記W3巻線の第1引出線が、それぞれ、前記U3巻線、前記V3巻線、および前記W3巻線が配置されている前記ティース(T7、T8、T9)から延びており、
前記U4巻線、前記V4巻線、および前記W4巻線の第1引出線が、それぞれ、前記U3巻線、前記V3巻線、および前記W3巻線が配置されている前記ティース(T7、T8、T9)から延びている、
請求項1に記載の固定子。 - 3×m個の前記巻線の第2引出線(Lb)はいずれも、それぞれ、当該巻線が配置されている前記ティースから延びている、
請求項1~4のいずれか1つに記載の固定子。 - 請求項1~5のいずれか1つに記載の前記固定子と、
前記固定子と磁気的に相互作用する永久磁石を有する回転子と、
を備える、モータ。 - mを2以上の整数としたときに、コア(20)が有する3×m個のティース(T1~T9)に、3×m本の導線をそれぞれ巻きつけ、それによって前記ティースを囲む3×m個の巻線(C1~C9)およびそれぞれの前記巻線の両端から延びる6×m本の引出線(La1~La6、Lb1~Lb6)を形成することで、固定子(10)を製造する方法であって、
3×m本の前記導線を放射状に排出しつつ、前記ティースの周囲を移動できる3×m個のノズル(N1~N9)を有する巻線装置を準備するステップと、
前記巻線装置と前記コアとに第1の相対角度を形成させるステップと、
3×m本の前記導線のうち一部が固定具(H4~H6)で固定され、残りは固定されない状態にするステップと、
3×m個の前記ノズルが、それぞれ、3×m個のうちの1つの前記ティースの周囲を移動するステップと、
前記巻線装置を前記コアの中心軸(A)の周りに相対的に回転させることによって、前記巻線装置と前記コアとに第2の相対角度を形成させるステップと、
3×m本の前記導線のうち全部を固定具(H1~H9)で固定するステップと、
3×m個の前記ノズルが、それぞれ、3×m個のうちの1つの前記ティースの周囲を移動するステップと、
を有する、方法。 - 前記コアと前記巻線装置との相対回転は、3の整数倍個の前記ティースに相当する中心角だけ行われる、
請求項7に記載の方法。 - 3×m個の前記巻線の形成は、前記巻線装置と前記コアとが前記第2の相対角度を形成している状態において行われる、
請求項7または請求項8に記載の方法。
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ES16851468T ES2818274T3 (es) | 2015-09-30 | 2016-09-26 | Estator, motor en el que se utiliza el estator, y método para fabricar el estator |
BR112018003295-6A BR112018003295B1 (pt) | 2015-09-30 | 2016-09-26 | Estator, motor usando estator, e método para a fabricação do estator |
EP16851468.5A EP3358718B1 (en) | 2015-09-30 | 2016-09-26 | Stator, motor in which stator is used, and method for manufacturing stator |
CN201680056412.4A CN108141086B (zh) | 2015-09-30 | 2016-09-26 | 定子、使用定子的马达以及定子的制造方法 |
AU2016331554A AU2016331554B2 (en) | 2015-09-30 | 2016-09-26 | Stator, motor using stator, and method for manufacturing stator |
KR1020187011816A KR101867262B1 (ko) | 2015-09-30 | 2016-09-26 | 고정자, 고정자를 사용한 모터 및 고정자의 제조 방법 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06245442A (ja) * | 1993-02-12 | 1994-09-02 | Shibaura Eng Works Co Ltd | 回転電機の製造方法 |
JP2003189525A (ja) * | 2001-12-20 | 2003-07-04 | Hitachi Ltd | 回転電機 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61173650A (ja) * | 1985-01-25 | 1986-08-05 | Toshiba Corp | 回転電機の自動巻装装置 |
JP3559172B2 (ja) * | 1998-08-10 | 2004-08-25 | 三菱電機株式会社 | 回転電機のアマチュア及びその製造方法 |
JP3576106B2 (ja) * | 2000-02-04 | 2004-10-13 | 松下エコシステムズ株式会社 | コンデンサ電動機固定子およびその製造方法 |
US6727625B2 (en) * | 2000-09-25 | 2004-04-27 | Denso Corporation | Rotary electric machine and method for manufacturing the same |
JP3753699B2 (ja) * | 2003-03-07 | 2006-03-08 | 三工機器株式会社 | ステータコアへの巻線方法及び同方法によって巻線されたコイル付きステータコア |
CN100495861C (zh) * | 2004-02-06 | 2009-06-03 | 大金工业株式会社 | 电动机的定子 |
EP2104206B1 (en) * | 2006-12-27 | 2018-03-21 | Toshiba Carrier Corporation | Winding method for stator, and permanent-magnet electric motor |
US8653711B2 (en) | 2010-04-01 | 2014-02-18 | Globe Motors, Inc. | Parallel wound stator |
JP5775173B2 (ja) * | 2011-11-22 | 2015-09-09 | 本田技研工業株式会社 | 回転電機 |
US20130200742A1 (en) | 2012-02-08 | 2013-08-08 | Asmo Co., Ltd. | Stator, brushless motor, stator manufacturing method |
JP2014011937A (ja) * | 2012-07-03 | 2014-01-20 | Aisin Aw Co Ltd | ステータ |
JP6098920B2 (ja) * | 2012-10-19 | 2017-03-22 | 日本電産株式会社 | ステータユニットおよびモータ |
JP6107386B2 (ja) * | 2013-04-26 | 2017-04-05 | ダイキン工業株式会社 | モータ及び圧縮機 |
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Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06245442A (ja) * | 1993-02-12 | 1994-09-02 | Shibaura Eng Works Co Ltd | 回転電機の製造方法 |
JP2003189525A (ja) * | 2001-12-20 | 2003-07-04 | Hitachi Ltd | 回転電機 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3358718A4 * |
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