WO2016059929A1 - Commutateur magnétique de démarreur - Google Patents

Commutateur magnétique de démarreur Download PDF

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Publication number
WO2016059929A1
WO2016059929A1 PCT/JP2015/076212 JP2015076212W WO2016059929A1 WO 2016059929 A1 WO2016059929 A1 WO 2016059929A1 JP 2015076212 W JP2015076212 W JP 2015076212W WO 2016059929 A1 WO2016059929 A1 WO 2016059929A1
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WO
WIPO (PCT)
Prior art keywords
movable contact
magnetic switch
starter
hole
contact
Prior art date
Application number
PCT/JP2015/076212
Other languages
English (en)
Japanese (ja)
Inventor
西舘　圭介
定博 濱畑
満朗 泉
Original Assignee
日立オートモティブシステムズ株式会社
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 日立オートモティブシステムズ株式会社 filed Critical 日立オートモティブシステムズ株式会社
Priority to JP2016554021A priority Critical patent/JP6345264B2/ja
Priority to CN201580052428.3A priority patent/CN107077997B/zh
Publication of WO2016059929A1 publication Critical patent/WO2016059929A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements

Definitions

  • the present invention relates to a magnetic switch for a starter.
  • Patent Document 1 a magnetic switch for a starter that reliably separates contacts is known (for example, see Patent Document 1).
  • Patent Document 1 “the movement inertial force of the plunger generated by separating the movable contact from the fixed contact is applied to the inner peripheral protrusion provided on the inner peripheral surface of the plunger and the shaft end opposite to the movable contact. "It is given to the shaft by the provided outer peripheral projection”.
  • An object of the present invention is to provide a magnetic switch for a starter that can ensure strength while reducing size and weight.
  • the present invention provides an exciting coil, a plunger driven by the magnetic force of the exciting coil, a shaft transferred by driving the plunger, and a penetration through which the shaft is inserted.
  • a magnetic switch for a starter comprising a movable contact having a hole and a fixed contact facing the movable contact
  • the movable contact has a rectangular plate shape, and the through hole extends along the longitudinal direction of the movable contact
  • the dimension along the short direction of the movable contact is smaller than the dimension.
  • FIG. 3 is a cross-sectional view showing an operation of opening the magnetic switch (key switch OFF) of FIG. 2.
  • FIG. 6 is a configuration diagram of a movable contact used in a starter magnetic switch according to a modification of the first and second embodiments.
  • FIG. 1 is a cross-sectional view showing a main part of a starter on which a magnetic switch 2 for starter according to a first embodiment of the present invention is mounted.
  • FIG. 2 is a sectional view showing the starter magnetic switch 2 according to the first embodiment of the present invention.
  • the starter of the internal combustion engine includes a starter body 1 and a starter magnetic switch 2 (hereinafter abbreviated as a mag switch 2).
  • the mag switch 2 includes a solenoid unit 20, a biting unit 30, and a contact unit 40.
  • the solenoid unit 20 includes an exciting coil 3 that generates a magnetomotive force when energized, a coil case 4 that receives a magnetomotive force to form a magnetic path, and serves as a fixed iron core, a boss 5, and a plunger 6 that serves as a movable iron core.
  • the plunger 6 is driven by the magnetic force of the exciting coil 3.
  • the biting portion 30 uses the operation in which the plunger 6 is sucked and transferred to the boss 5 side when the solenoid is operated to move the shift lever 7 (leftward in FIG. 1) and engage with the lower end 7a of the shift lever 7.
  • the pinion 8 is shifted (right direction in FIG. 1).
  • the contact portion 40 transfers the movable contact 9 to join the fixed contact 10 (10 1 , 10 2 ), and energizes the fixed contacts 10 1 , 10 2 .
  • a plunger shaft 11 that engages with the shift lever 7 and transfers the shift lever 7 when the plunger 6 is transferred, and a contact shaft 12 are disposed.
  • the contact shaft 12 holds a collar 13 that moves the plunger 6 by a predetermined stroke and then contacts the plunger 6 to press the movable contact 9 for transfer.
  • the contact shaft 12 has a C return spring 14 and a plunger return spring 15 for returning the plunger 6 to the initial position and disconnecting the movable contact 9 from the fixed contact 10 after energization OFF.
  • the exciting coil 3 is energized, the plunger 6 is attracted in the axial direction of the arrow, and the rear end surface 6a of the plunger 6 (the end surface facing the boss 5) and the movable contact 9, the front end surface 13a (the end surface facing the plunger 6) of the collar 13 held by the contact shaft 12 abuts.
  • FIG. 4 is a diagram illustrating an operation in a state where the plunger 6 is further sucked and the movable contact 9 and the fixed contact 10 (10 1 , 10 2 ) are joined.
  • the collar 13 engaged with the plunger 6 in FIG. 3 moves the C oscillating spring 16, the insulating plate 17, the E-ring 18, and the movable contact 9 together with the contact shaft 12, so that the movable contact 9 contacts the fixed contact 10.
  • Those of contact after the battery side from the fixed contact 10 1 of the motor side to the fixed contact 10 2 via the movable contact 9 is performed energized to rotate the motor (not shown).
  • the plunger 6 is further sucked and brought into contact with the surface 5 a of the boss 5.
  • the contact oscillating spring 16 disposed via the collar 13 bends (shrinks), and the movable contact 9 is pressed against the fixed contact 10 by the spring force of the contact oscillating spring. .
  • the contact resistance between the fixed contact 10 and the movable contact 9 when the key switch is ON is stabilized.
  • FIG. 6 is a diagram illustrating an operation in a state in which the movable contact 10 is disconnected from the fixed contact 9 after the key switch is turned off. After the key switch is turned OFF, the suction force of the plunger 6 disappears, and the plunger 6 tries to return in the axial direction indicated by the arrow in FIG.
  • FIG. 7 is a front view of the movable contact 9 used in the starter mag switch 2 according to the first embodiment of the present invention.
  • the movable contact 9 has a rectangular shape (plate shape).
  • a through hole 9 a is provided at the center of the movable contact 9.
  • the through hole 9 a has a dimension along the short direction DS of the movable contact 9 smaller than a dimension DL along the longitudinal direction of the movable contact 9.
  • the through hole 9 a when viewed from the front of FIG. 7, includes a straight line 9 c parallel to the long side 9 b of the movable contact 9 and an R-shaped curve (arc) 9 e facing the short side 9 d of the movable contact 9.
  • the cross section of the through hole 9 a parallel to the surface stretched in the longitudinal direction and the short direction of the movable contact 9 includes a straight line 9 c parallel to the long side 9 b of the movable contact 9.
  • the cross section of the through hole 9 a parallel to the surface stretched in the longitudinal direction and the short direction of the movable contact 9 includes an arc 9 e that faces the short side 9 d of the movable contact 9.
  • the movable contact 9 includes a plane SS perpendicular to the short direction of the movable contact 9 as the inner peripheral surface of the through hole 9.
  • the movable contact support portion 12a of the resin contact shaft 12 shown in FIG. 8 is inserted into the through hole 9a, and the movable contact 9 is supported as shown in FIG.
  • the starter mag switch 2 can be reduced in size and weight by making the movable contact 9 rectangular.
  • the cross-sectional area of the minimum width portion 9h around the through hole 9a of the movable contact 9 is larger than when the through hole has a circular shape (cross section), resistance loss during energization can be reduced. Thereby, the strength reduction by the heat_generation
  • the D-shaped portion 9s shown in FIG. thereby, the deformation
  • the plane SS perpendicular to the short side direction of the movable contact 9 can prevent the movable contact 9 from being bent in the longitudinal direction.
  • the contact shaft 12 can be prevented from rotating by the shape of the through hole 9a.
  • the strength can be secured while reducing the size and weight of the magnetic switch. Therefore, it is possible to obtain a stable operation from contact to contact between the movable contact 9 and the fixed contact 10.
  • FIG. 10 is a front view of the movable contact 9 used in the starter mag switch 2 according to the second embodiment of the present invention.
  • FIG. 10 differs from FIG. 7 in the shape of the through hole 9a.
  • the through hole 9a when viewed from the front of FIG. 10, is an ellipse. That is, the cross section of the through hole 9a parallel to the surface stretched in the longitudinal direction and the short direction of the movable contact 9 is an ellipse.
  • the major axis 9 f of the ellipse is parallel to the long side 9 b of the movable contact 9
  • the minor axis 9 g of the ellipse is parallel to the short side 9 d of the movable contact 9.
  • a resin contact shaft 12 is inserted into the through hole 9 a to support the movable contact 9.
  • the starter mag switch 2 can be reduced in size and weight by making the movable contact 9 rectangular.
  • the cross-sectional area of the minimum width portion 9h around the through hole 9a of the movable contact 9 is larger than when the through hole has a circular shape (cross section), resistance loss during energization can be reduced. Thereby, the strength reduction by the heat_generation
  • the contact shaft 12 can be prevented from rotating by the shape of the through hole 9a.
  • the strength can be secured while reducing the size and weight of the magnetic switch. Therefore, it is possible to obtain a stable operation from contact to contact between the movable contact 9 and the fixed contact 10.
  • FIG. 11 is a configuration diagram of the movable contact 9 used in the starter mag switch 2 according to a modification of the first and second embodiments.
  • the thickness of the central portion of the movable contact 9 is larger than in the first and second embodiments.
  • the plate thickness d2 of the movable contact 9 whose distance from the axis of the through hole 9a is within a predetermined threshold L is equal to the plate thickness d2 of the movable contact 9 whose distance from the axis of the through hole 9a exceeds the threshold L. Bigger than.
  • the shape of the through hole 9a can be deformed so that the minimum width portion 9h of the surface where the movable contact 9 contacts the fixed contact 10 is not narrowed. That is, the shape of the through hole 9a can be replaced other than the embodiment described above.
  • the plunger shaft 11 and the contact shaft 12 are separate bodies, but they may be constituted by a single shaft.
  • the collar 13, the C oscillating spring 16, and the insulating plate 17 are used, but these may be omitted as appropriate. That is, it is only necessary that the plungers 4 are driven by the magnetic force of the exciting coil 3 to move the shafts (11, 12).
  • Plunger shaft 12 ... Contact shaft 12a ... Movable contact support portion 12b ... Tip collar 13 ... Collar 13a ... Tip surface 14 ... C return spring 15 . Plunger return spring 16 ... C spring spring 17 ... insulating plate 18 ... E-ring

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Contacts (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Abstract

La présente invention concerne un commutateur magnétique de démarreur, le commutateur magnétique pouvant garantir une résistance tout en permettant une réduction de taille et une diminution de poids. Un commutateur magnétique 2 de démarreur est pourvu : d'une bobine d'excitation 3 ; d'un plongeur 6 qui est entraîné par une force magnétique de la bobine d'excitation 3 ; de tiges (11, 12) qui font l'objet d'un transfert par l'entraînement du plongeur 6 ; d'un contact mobile 9 comportant un trou traversant dans lequel est introduite la tige 12 ; et d'un contact fixe 10 qui est orienté vers le contact mobile 9. Le contact mobile 9 a une forme de plaque rectangulaire, et la taille du trou traversant dans la direction du côté court du contact mobile 9 est plus petite que sa taille dans la direction du côté long du contact mobile 9.
PCT/JP2015/076212 2014-10-17 2015-09-16 Commutateur magnétique de démarreur WO2016059929A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2016554021A JP6345264B2 (ja) 2014-10-17 2015-09-16 スタータ用マグネティックスイッチ
CN201580052428.3A CN107077997B (zh) 2014-10-17 2015-09-16 起动机用磁开关

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014-212446 2014-10-17
JP2014212446 2014-10-17

Publications (1)

Publication Number Publication Date
WO2016059929A1 true WO2016059929A1 (fr) 2016-04-21

Family

ID=55746477

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/076212 WO2016059929A1 (fr) 2014-10-17 2015-09-16 Commutateur magnétique de démarreur

Country Status (3)

Country Link
JP (1) JP6345264B2 (fr)
CN (1) CN107077997B (fr)
WO (1) WO2016059929A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018109260A1 (de) * 2018-04-18 2019-10-24 Seg Automotive Germany Gmbh Starterrelais für eine Startvorrichtung
JP2021036500A (ja) * 2019-08-30 2021-03-04 三菱電機株式会社 電磁リレー

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3235783B2 (ja) * 1997-05-13 2001-12-04 株式会社日立製作所 スタータ用マグネットスイッチ
JP2009519571A (ja) * 2005-12-15 2009-05-14 ヴァレオ エキプマン エレクトリク モトゥール 電磁コンタクタ用の可動部、およびこの可動部を備えるコンタクタ
JP2009224113A (ja) * 2008-03-14 2009-10-01 Denso Corp 電磁スイッチ
JP2009230922A (ja) * 2008-03-19 2009-10-08 Panasonic Electric Works Co Ltd 接点装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3227749B2 (ja) * 1991-12-27 2001-11-12 株式会社デンソー エンジンのスタータ
JPH09219136A (ja) * 1996-02-13 1997-08-19 Denso Corp スタータ用マグネットスイッチ
JP3711698B2 (ja) * 1997-05-26 2005-11-02 松下電工株式会社 封止接点装置
JP4031889B2 (ja) * 1999-07-29 2008-01-09 株式会社日立製作所 スタータ用マグネチックスイッチ
EP3385972B1 (fr) * 2008-03-19 2019-08-21 Panasonic Intellectual Property Management Co., Ltd. Dispositif de contact

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3235783B2 (ja) * 1997-05-13 2001-12-04 株式会社日立製作所 スタータ用マグネットスイッチ
JP2009519571A (ja) * 2005-12-15 2009-05-14 ヴァレオ エキプマン エレクトリク モトゥール 電磁コンタクタ用の可動部、およびこの可動部を備えるコンタクタ
JP2009224113A (ja) * 2008-03-14 2009-10-01 Denso Corp 電磁スイッチ
JP2009230922A (ja) * 2008-03-19 2009-10-08 Panasonic Electric Works Co Ltd 接点装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018109260A1 (de) * 2018-04-18 2019-10-24 Seg Automotive Germany Gmbh Starterrelais für eine Startvorrichtung
FR3080485A1 (fr) * 2018-04-18 2019-10-25 Seg Automotive Germany Gmbh Relais de démarreur pour un dispositif de démarreur
JP2021036500A (ja) * 2019-08-30 2021-03-04 三菱電機株式会社 電磁リレー

Also Published As

Publication number Publication date
JP6345264B2 (ja) 2018-06-20
CN107077997B (zh) 2018-11-16
JPWO2016059929A1 (ja) 2017-06-01
CN107077997A (zh) 2017-08-18

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