WO2020049631A1 - Borne de fusion et moteur électrique - Google Patents

Borne de fusion et moteur électrique Download PDF

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Publication number
WO2020049631A1
WO2020049631A1 PCT/JP2018/032743 JP2018032743W WO2020049631A1 WO 2020049631 A1 WO2020049631 A1 WO 2020049631A1 JP 2018032743 W JP2018032743 W JP 2018032743W WO 2020049631 A1 WO2020049631 A1 WO 2020049631A1
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WO
WIPO (PCT)
Prior art keywords
fusing
wire
holding
protection plate
terminal
Prior art date
Application number
PCT/JP2018/032743
Other languages
English (en)
Japanese (ja)
Inventor
松田　茂
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to PCT/JP2018/032743 priority Critical patent/WO2020049631A1/fr
Priority to JP2020540896A priority patent/JP6984027B2/ja
Publication of WO2020049631A1 publication Critical patent/WO2020049631A1/fr

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Classifications

    • 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
    • H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes

Definitions

  • the present invention relates to a fusing terminal and an electric motor, and in particular, a fusing terminal electrically connected by fusing to a terminal of a wire forming a coil of a stator of the electric motor, and an electric motor including the fusing terminal.
  • a fusing terminal electrically connected by fusing to a terminal of a wire forming a coil of a stator of the electric motor, and an electric motor including the fusing terminal.
  • a current is applied to a holding portion provided on the wire and the terminal to hold the wire, and the heat at that time destroys the insulating coating of the wire, thereby electrically connecting the terminal and the wire.
  • a method called fusing is known.
  • the present invention has been made in view of the above-described problems, and an object of the present invention is to provide a fusing terminal and an electric motor in which a wire is hardly broken.
  • the fusing terminal includes a main body, a protection plate extending from an edge of the main body, a fusing portion provided on one surface of the protection plate for fixing a wire by fusing, and the protection plate.
  • the electric motor according to the present invention includes a main body, a protection plate extending from an edge of the main body, a fusing portion provided on one surface of the protection plate, and fixing a wire by fusing, A holding portion for holding the wire, the protection plate being provided on the one surface, the first portion for fixing the wire between the fusing portion, and the holding portion.
  • a fusing terminal having a second portion for holding the wire therebetween, and a third portion extending between the first and second portions; And a stator provided with a coil, the terminal of the wire is fixed by fusing between the fusing portion and the first portion, between the terminal of the wire and the coil The positioned wire is It is held between the serial second portion, the wire between the pressing portion and the holding portion, in which in line with the third portion.
  • a part of the wire between the fusing part and the main body is along the third part of the protection plate, and the other part is held by the holding part. For this reason, even if the strength of the wire of the fusing portion is reduced by fusing, it is possible to suppress disconnection of the wire between the fusing portion and the main body.
  • FIG. 1 is an overall view showing a stator of an electric motor including a fusing terminal according to Embodiment 1 of the present invention.
  • FIG. 2 is an enlarged view of a stator core of the stator of FIG. 1. It is a perspective view of the terminal for fusing concerning Embodiment 1 of the present invention.
  • FIG. 4 is a view in which a wire is removed from FIG. 3.
  • 1 is an internal configuration diagram of an electric motor using a fusing terminal according to Embodiment 1 of the present invention. It is a perspective view of the terminal for fusing concerning Embodiment 2 of the present invention.
  • FIG. 1 is an overall view showing a stator 100 of an electric motor including a fusing terminal 1 according to Embodiment 1 of the present invention.
  • the fusing terminal 1 according to the first embodiment of the present invention is used, for example, to electrically connect a wire 80 of a coil 70 provided on a stator 100 of an electric motor to a substrate 101 on which a sensor or the like is mounted. What is used.
  • the stator 100 of the electric motor includes a plurality of stator cores 100 a having a coil 70 around which a wire 80 is wound.
  • the stator 100 includes a plurality of stator cores 100a arranged radially, and is annular in plan view.
  • a substrate 101 on which a sensor or the like is mounted is disposed at an end of the stator 100 in the axial direction.
  • the substrate 101 is connected to the coil 70 of the stator 100 by the fusing terminal 1.
  • FIG. 2 is an enlarged view of the stator core 100a of the stator 100 of FIG.
  • the stator core 100a includes a resin base 100b located on the outer peripheral side of the stator 100, and teeth 100c protruding from the base 100b to the inner peripheral side of the stator 100.
  • An insertion portion 90 is formed on the base 100b.
  • the fusing terminal 1 is inserted into the insertion portion 90.
  • the teeth 100c are provided with coils 70 around which wires 80 are wound.
  • FIG. 3 is a perspective view of the fusing terminal 1 according to Embodiment 1 of the present invention.
  • FIG. 4 shows a view in which the wire 80 is removed from FIG.
  • the fusing terminal 1 includes a main body 10, a fusing unit 11, a holding unit 12, and a protection plate 13.
  • the fusing terminal 1 is integrally formed from a flat plate made of copper or another conductive material.
  • the main body 10 has, for example, a long shape.
  • One end of the main body 10 in the longitudinal direction is an insertion end 10 a to be inserted into the insertion portion 90 of the base 100 b of the stator 100, and the other end is an area connected to the substrate 101.
  • the main body 10 is not limited to a long shape as long as the main body 10 can connect the stator 100 and the substrate 101, but a case of a long shape will be described below for convenience of description.
  • the protection plate 13 extends from the longitudinal edge 10b of the main body 10 in a direction perpendicular to the longitudinal edge 10b of the main body 10.
  • the protection plate 13 has, for example, an elongated shape in which the direction perpendicular to the longitudinal edge 10b of the main body 10 is the longitudinal direction.
  • the protection plate 13 is not limited to the elongated shape as long as it extends from the main body 10, but the following description will be made on the case of the elongated shape for convenience of explanation.
  • the protection plate 13 has the same dimension in the short direction over the long direction.
  • the protection plate 13 has a first portion 13a, a third portion 13c, and a second portion 13b along the longitudinal direction of the protection plate 13.
  • the fusing portion 11 is provided to face the first portion 13a
  • the holding portion 12 is provided to face the second portion 13b.
  • the third portion 13c extends between the first portion 13a and the second portion 13b, and connects the first portion 13a and the second portion 13b.
  • the holding part 12 is provided on one surface of the second part 13 b of the protection plate 13.
  • the holding portion 12 holds a wire 80 extending from the coil 70 along the main body 10 between the holding portion 12 and the second portion 13b of the protection plate 13.
  • the holding portion 12 is connected to a longitudinal edge of the protection plate 13.
  • the fusing portion 11 is provided on one surface of the first portion 13a of the protection plate 13.
  • the fusing unit 11 sandwiches the terminal 80 a of the wire 80 between the fusing unit 11 and the first portion 13 a of the protection plate 13.
  • the terminal 80a of the wire 80 is the distal end of the wire 80 extending from the coil 70.
  • the fusing portion 11 is connected to the edge of the protection plate 13 in the longitudinal direction.
  • the holding portion 12 and the fusing portion 11 are arranged in a direction perpendicular to the longitudinal edge 10 b of the main body 10.
  • the holding unit 12 is located between the main body 10 and the fusing unit 11.
  • the holding unit 12 and the fusing unit 11 are arranged as close as possible.
  • the terminal 80a of the wire 80 sandwiched between the fusing portion 11 and the first portion 13a of the protection plate 13 is fixed by fusing and is electrically connected.
  • the electric current flowing through the fusing portion 11 melts the insulating coating of the wire 80 to expose the wire 80 from the coating.
  • a current is applied, and the wire 80 is crimped between the fusing portion 11 and the protection plate 13 to mechanically and electrically connect the wire 80 and the fusing terminal 1.
  • the third portion 13c of the protection plate 13 extends between the second portion 13b where the holding portion 12 is provided and the first portion 13a where the fusing portion 11 is provided.
  • the wire 80 between the second portion 13b and the first portion 13a extends along the third portion 13c.
  • the wire 80 extending from the coil 70 of the stator core 100a passes through the holding portion 12 provided on the second portion 13b of the protection plate 13 from the main body 10 side, and extends along the third portion 13c of the protection plate 13 to form the protection plate 13 It reaches the fusing part 11 provided in the first part 13a.
  • the terminal 80a of the wire 80 is fixed by fusing, and in the holding unit 12, the wire 80 between the terminal 80a of the wire 80 and the coil 70 is held without being subjected to fusing. .
  • the insertion end 10a of the main body 10 of the fusing terminal 1 is inserted into the insertion portion 90 of the base 100b of the stator core 100a.
  • the portions serving as the fusing portion 11 and the holding portion 12 extend in a direction perpendicular to the longitudinal edge of the protective plate 13 from the longitudinal edge of the protective plate 13.
  • the wire 80 of the coil 70 formed on the stator core 100 a is arranged along the protection plate 13 from the main body 10 of the fusing terminal 1.
  • the wire 80 extends along a protective plate 13 extending in a direction perpendicular to the longitudinal edge 10b of the main body 10.
  • the member connected to the protection plate 13 serving as the fusing portion 11 is folded back in a direction perpendicular to the longitudinal edge of the protection plate 13.
  • the fusing portion 11 is in contact with the first portion 13a of the protection plate 13 and sandwiches the terminal 80a of the wire 80 between the fusing portion 11 and the first portion 13a of the protection plate 13.
  • a member connected to the protection plate 13 serving as the holding portion 12 is folded back in a direction perpendicular to the longitudinal direction of the protection plate 13.
  • the holding portion 12 is in contact with the second portion 13b of the protection plate 13 and sandwiches the wire 80 on the coil 70 side with the second portion 13b of the protection plate 13.
  • the holding unit 12 and the fusing unit 11 are provided as close as possible. It is only necessary that a distance between the holding portion 12 and the fusing portion 11 is secured so that the holding portion 12 and the fusing portion 11 can be bent. Further, the fusing portion 11 and the holding portion 12 may be formed by simultaneously bending members connected to the protection plate 13. Thereby, an increase in the number of processing steps can be suppressed.
  • the fusing unit 11 is subjected to fusing, and the terminal 80 a of the wire 80 is electrically connected to the fusing unit 11 and the protection plate 13. An excess portion of the terminal 80 a of the wire 80 is cut at a position opposite to the holding unit 12 of the fusing unit 11.
  • the fusing terminal 1 and the coil 70 are electrically connected between the fusing portion 11 and the first portion 13a of the protection plate 13 at the terminal 80a of the wire 80. Further, the wire 80 between the fusing portion 11 and the coil 70 reaches the holding portion 12 along the third portion 13c of the protection plate 13, and is sandwiched between the holding portion 12 and the second portion 13b of the protection plate 13. Will be retained.
  • the holding portion 12 and the fusing portion 11 are folded back in a direction perpendicular to the longitudinal edge of the protective plate 13, and the wire 80 is horizontally held along the longitudinal edge of the protective plate 13. . Therefore, the cut surface of the wire 80 becomes the same as the insertion direction in which the fusing terminal 1 is inserted into the insertion portion 90 of the base 100b of the stator core 100a. It will be easier.
  • FIG. 5 is an internal configuration diagram of the electric motor 200 using the fusing terminal 1 according to Embodiment 1 of the present invention. A method of manufacturing the electric motor 200 will be described with reference to FIGS.
  • the stator 100 is formed by combining a plurality of stator cores 100a in an annular shape.
  • the fusing terminals 1 are inserted into the plurality of stator cores 100a.
  • a board 101 is arranged on the surface of the stator 100 into which the fusing terminals 1 are inserted.
  • the coil 70 of each stator core 100a is connected to the fusing terminal 1 at the terminal 80a of the wire 80.
  • the coil 70 of the stator core 100a and the board 101 are connected via the fusing terminal 1.
  • the stator 100, the fusing terminal 1, and the substrate 101 are installed in a mold, and a mold resin is supplied into the mold.
  • the mold resin flows into a gap between the mold and the stator 100, a gap between the stator 100 and the substrate 101, and the like.
  • the mold resin also flows between the fusing portion 11 provided on the fusing terminal 1 and the holding portion 12.
  • the wire 80 extends between the fusing portion 11 and the holding portion 12, but the wire 80 between the fusing portion 11 and the holding portion 12 extends along the third portion 13c of the protection plate 13. ing. Therefore, an external force due to the flow of the mold resin acts on the protection plate 13, and the effect of the external force on the wire 80 between the fusing portion 11 and the holding portion 12 is suppressed.
  • the wire 80 between the fusing part 11 and the holding part 12 extends along the third part 13 c of the protection plate 13, and the fusing part 11 and the holding part 12 Not exposed between. If there is no protection plate, the wire between the holding portion and the fusing portion is exposed, and the wire is easily broken by an external force due to the flow of the mold resin.
  • the wire 80 between the fusing portion 11 and the holding portion 12 along the third portion 13c of the protection plate 13
  • the external force due to the mold resin flowing into the gap between the fusing portion 11 and the holding portion 12 is reduced. Acts on 13. Thereby, the external force of the mold resin acting on the wire 80 is reduced, and disconnection of the wire 80 during molding can be suppressed.
  • the fusing portion 11 is provided on the first portion 13a of the protection plate 13, and the holding portion 12 is provided on the second portion 13b of the protection plate 13.
  • a third portion 13c extends between the first portion 13a and the second portion 13b.
  • the wire 80 to which the terminal 80 a is fixed by fusing in the fusing unit 11 reaches the holding unit 12 and is held along the third portion 13 c of the protection plate 13.
  • the holding portion 12 sandwiches the wire 80 between the holding portion 12 and the second portion 13b of the protection plate 13. Since the wire 80 of the holding unit 12 is not fused to the holding unit 12 and the strength is not reduced by the fusing, it is possible to prevent the wire 80 from being broken in the holding unit 12.
  • the wire 80 between the fusing portion 11 and the body 10 is held by the holding portion 12, and external force acting on the terminal 80a of the wire 80 is reduced. Can be reduced. Accordingly, even if the strength of the terminal 80a of the wire 80 is reduced in the fusing unit 11, the wire 80 can be prevented from being disconnected.
  • the coil 70 of the stator core 100a and the board 101 are connected via the fusing terminal 1.
  • the terminal 80 a of the wire 80 extending from the coil 70 is fixed to the fusing portion 11, and the wire 80 between the coil 70 and the fusing portion 11 is held by the holding portion 12 along the protection plate 13. Have been. Accordingly, the external force acting on the terminal 80a of the wire 80 whose strength has been reduced by fusing in the fusing unit 11 is suppressed, and the connection between the coil 70 and the substrate 101 can be more reliably performed.
  • Embodiment 2 FIG.
  • the fusing terminal according to the second embodiment will be described.
  • the fusing terminal according to the present embodiment differs from the first embodiment in that the fusing terminal includes holding portions on both sides of the fusing portion.
  • differences from Embodiment 1 will be mainly described, and the same parts as those in Embodiment 1 will be assigned the same reference numerals and descriptions thereof will be omitted.
  • FIG. 6 is a perspective view of the fusing terminal 40 according to the second embodiment.
  • fusing is performed on the wire 80 in the path between the two coils 70a and 70b.
  • the fusing terminal 40 includes a fusing portion 41 provided on a protection plate 43, a first holding portion 42a, and a second holding portion 42b.
  • the first holding portion 42a, the fusing portion 41, and the second holding portion 42b are arranged in a direction perpendicular to the longitudinal direction of the edge 10b of the main body 10.
  • the first holding part 42a, the fusing part 41, and the second holding part 42b are provided on the second part 43b, the first part 43a, and the fourth part 43d on one surface of the protection plate 43, respectively. ing.
  • a fusing unit 41 is provided between the first holding unit 42a and the second holding unit 42b.
  • the third portion 43c and the fifth portion 43e of the protection plate 43 extend between the first holding portion 42a and the fusing portion 41 and between the fusing portion 41 and the second holding portion 42b. are doing.
  • the first holding portion 42a holds the wire 80 extending from the coil 70a between the second portion 43b of the protection plate 43 and the second portion 43b.
  • the second holding portion 42b holds the wire 80 extending from the coil 70b between the second holding portion 42b and the fourth portion 43d of the protection plate 43.
  • the fusing portion 41 sandwiches the wire 80 in the path between the two coils 70a and 70b between the fusing portion 41 and the first portion 43a of the protection plate 43.
  • the wire 80 held by the fusing unit 41 is subjected to fusing, and the wire 80 is electrically connected.
  • the wire 80 extending from the fusing part 41 to the first holding part 42a extends along the third part 43c extending between the first part 43a and the second part 43b.
  • the wire 80 extending from the fusing portion 41 to the second holding portion 42b extends along a fifth portion 43e extending between the first portion 43a and the fourth portion 43d.
  • the wire 80 extending from the coil 70a passes through the first holding portion 42a provided on the second portion 43b of the protection plate 43, and is provided on the first portion 43a of the protection plate 43 along the third portion 43c of the protection plate 43. To the fusing unit 41.
  • the fusing terminal 40 has the first holding portion 42a and the second holding portion 42b provided on one surface side of the protection plate 43. Accordingly, even when the wire 80 connecting the coils 70a and 70b is fused in the fusing unit 41, the wire 80 can be held by the first holding unit 42a and the second holding unit 42b. Therefore, disconnection of the wire 80 whose strength has been reduced by fusing in the fusing portion 41 can be reduced.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Insulation, Fastening Of Motor, Generator Windings (AREA)

Abstract

L'invention concerne une borne de fusion dont les fils ne sont pas susceptibles de se rompre. La borne de fusion comprend : un corps ; une plaque de protection s'étendant à partir du bord du corps ; une partie de fusion pour fixer un fil par fusion, la partie de fusion étant disposée sur une surface de la plaque de protection ; et une partie de maintien pour maintenir le fil. L'unité de maintien est disposée sur ladite surface de la plaque de protection. La plaque de protection comprend : une première partie pour fixer le fil contre la partie de fusion ; une deuxième partie pour maintenir le fil contre la partie de maintien ; et une troisième partie s'étendant entre la première partie et la deuxième partie.
PCT/JP2018/032743 2018-09-04 2018-09-04 Borne de fusion et moteur électrique WO2020049631A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2018/032743 WO2020049631A1 (fr) 2018-09-04 2018-09-04 Borne de fusion et moteur électrique
JP2020540896A JP6984027B2 (ja) 2018-09-04 2018-09-04 電動機

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/032743 WO2020049631A1 (fr) 2018-09-04 2018-09-04 Borne de fusion et moteur électrique

Publications (1)

Publication Number Publication Date
WO2020049631A1 true WO2020049631A1 (fr) 2020-03-12

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PCT/JP2018/032743 WO2020049631A1 (fr) 2018-09-04 2018-09-04 Borne de fusion et moteur électrique

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JP (1) JP6984027B2 (fr)
WO (1) WO2020049631A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024111244A1 (fr) * 2022-11-22 2024-05-30 パナソニックＩｐマネジメント株式会社 Stator et moteur

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6260440A (ja) * 1985-09-10 1987-03-17 Matsushita Electric Ind Co Ltd 電動機用接続端子
JP2003257297A (ja) * 2002-03-06 2003-09-12 Anden 電磁継電器
US20070296292A1 (en) * 2004-11-10 2007-12-27 Roland Kienzler Electric Motor
JP2008187779A (ja) * 2007-01-29 2008-08-14 Mitsubishi Electric Corp 電動機の固定子及び電動機及び空気調和機及び電動機の製造方法
JP2012029352A (ja) * 2010-07-20 2012-02-09 Denso Corp モータ
WO2017110360A1 (fr) * 2015-12-25 2017-06-29 日立オートモティブシステムズ株式会社 Stator, machine électrique tournante, et procédé de fabrication de stator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6260440A (ja) * 1985-09-10 1987-03-17 Matsushita Electric Ind Co Ltd 電動機用接続端子
JP2003257297A (ja) * 2002-03-06 2003-09-12 Anden 電磁継電器
US20070296292A1 (en) * 2004-11-10 2007-12-27 Roland Kienzler Electric Motor
JP2008187779A (ja) * 2007-01-29 2008-08-14 Mitsubishi Electric Corp 電動機の固定子及び電動機及び空気調和機及び電動機の製造方法
JP2012029352A (ja) * 2010-07-20 2012-02-09 Denso Corp モータ
WO2017110360A1 (fr) * 2015-12-25 2017-06-29 日立オートモティブシステムズ株式会社 Stator, machine électrique tournante, et procédé de fabrication de stator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024111244A1 (fr) * 2022-11-22 2024-05-30 パナソニックＩｐマネジメント株式会社 Stator et moteur

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JPWO2020049631A1 (ja) 2021-06-03
JP6984027B2 (ja) 2021-12-17

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