WO2015012221A1 - Couvercle - Google Patents

Couvercle Download PDF

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Publication number
WO2015012221A1
WO2015012221A1 PCT/JP2014/069205 JP2014069205W WO2015012221A1 WO 2015012221 A1 WO2015012221 A1 WO 2015012221A1 JP 2014069205 W JP2014069205 W JP 2014069205W WO 2015012221 A1 WO2015012221 A1 WO 2015012221A1
Authority
WO
WIPO (PCT)
Prior art keywords
cover
connecting hinge
fuse unit
electronic device
root
Prior art date
Application number
PCT/JP2014/069205
Other languages
English (en)
Japanese (ja)
Inventor
小野田　伸也
青木　達也
Original Assignee
矢崎総業株式会社
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 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Publication of WO2015012221A1 publication Critical patent/WO2015012221A1/fr

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/20—Bases for supporting the fuse; Separate parts thereof
    • H01H85/2045—Mounting means or insulating parts of the base, e.g. covers, casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/0241—Structural association of a fuse and another component or apparatus
    • H01H2085/025—Structural association with a binding post of a storage battery
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/10—Temperature sensitive devices
    • H01M2200/103—Fuse

Definitions

  • the present invention relates to a cover that covers an electronic device disposed in a vehicle or the like.
  • the fuse unit 50 includes a fuse unit body 51 fixed to a battery (not shown) and a cover 60 that covers the fuse unit body 51.
  • the cover 60 includes a first cover 61 that covers the side surface of the fuse unit main body 51, a second cover 62 that covers the upper surface of the fuse unit main body 51, and a connecting hinge portion that connects the first cover 61 and the second cover 62.
  • the connecting hinge part 63 has a rectangular belt shape in cross section, and is formed to be able to bend and deform.
  • the second cover 62 has a closed position (the position in FIG. 1) that covers the upper surface of the fuse unit main body 51 and an open position (the position in FIG. 2) that is separated from the upper surface of the fuse unit main body 51 by the bending deformation of the connecting hinge portion 63. Transition between.
  • the belt-like connecting hinge portion 63 is formed with a uniform cross section over the entire region in the longitudinal direction. Therefore, when the second cover 62 changes from the closed position to the open position, the connecting hinge 63 is pulled in a straight line. As shown in detail in FIG. 5, the connecting hinge portion 63 is bent and deformed in a shape that suddenly bends at each root portion 63 a from the first cover 61 and the second cover 62 (a shape in which the radius of curvature becomes small). To do. Therefore, there is a problem that stress concentrates on each root portion 63a of the connecting hinge portion 63 and is easily damaged.
  • an object of the present invention is to provide a cover that can prevent breakage of the connecting hinge portion due to stress concentration.
  • the cover of the present invention includes a first cover that covers the first surface of the electronic device, a second cover that covers the second surface of the electronic device, and a connection that can be bent and deformed between the first cover and the second cover.
  • a hinge part wherein the second cover is displaced between a closed position covering the second surface of the electronic device and an open position spaced apart from the second surface by bending deformation of the connection hinge part.
  • the cover is characterized in that each root part of the hinge part is formed thicker than the thickness of the intermediate part, and the intermediate part side of each root part is formed so that the thickness gradually decreases toward the intermediate part. It is.
  • the cover of the present invention may be one in which each connecting hinge portion is attached to the other cover side with respect to the attachment surface of the first cover and the second cover with respect to the other side of the cover.
  • the connecting hinge portion is belt-shaped
  • each root portion is formed to be thicker than the middle portion on the belt-shaped inner surface side
  • the middle portion side of each thick-walled portion is a belt-shaped inner side. It may be formed so that the protruding amount of the side surface is gradually decreased toward the intermediate portion.
  • the electronic device covered by the cover of the present invention is a fuse unit main body fixed to a battery
  • the first surface of the electronic device is a side surface of the fuse unit main body
  • the second surface of the electronic device is an upper surface of the fuse unit main body.
  • each root portion of the connecting hinge portion is formed thicker than the thickness of the intermediate portion of the connecting hinge portion, and the thickness of the intermediate portion side of each root portion gradually increases toward the intermediate portion. Therefore, each base portion has a large radius of curvature of bending deformation, and stress concentration on each root portion is reduced. Moreover, since each root part of a connection hinge part is thicker than an intermediate location, the intensity
  • FIG. 1 is a perspective view of a fuse unit in a state where a second cover is in a closed position, showing a conventional example.
  • FIG. 2 is a perspective view of the fuse unit in a state where the second cover is in the open position, showing a conventional example.
  • FIG. 3 is a side view of a main part showing a conventional example and showing the bending deformation of the connecting hinge part in a state where the second cover is in the open position.
  • FIG. 4 is a perspective view of the fuse unit in a state where the second cover is in the closed position according to the embodiment of the present invention.
  • FIG. 5A is a perspective view of the fuse unit in a state where the second cover is in the open position according to the embodiment of the present invention.
  • FIG. 5A is a perspective view of the fuse unit in a state where the second cover is in the open position according to the embodiment of the present invention.
  • FIG. 5B is an enlarged side view of the connecting hinge portion, showing an embodiment of the present invention.
  • FIG. 6 is a side view of an essential part showing the bending deformation of the connecting hinge part in the state where the second cover is in the open position, showing an embodiment of the present invention.
  • the cover which is an embodiment of the present invention is applied to the cover of the fuse unit. This will be described below.
  • the fuse unit 1 includes a fuse unit body 2 that is an electronic device fixed to a battery (not shown) via a battery terminal 30, and a cover 10 that covers the fuse unit body 2. And.
  • the fuse unit main body 2 includes a bus bar 3 bent into an L shape and a protective resin portion 4 formed by overmolding the bus bar 3 with an insulating resin material.
  • the bus bar 3 is provided with a plurality of terminal portions 3a and a soluble portion (not shown) that prevents overcurrent. Each terminal portion 3 a is exposed from the protective resin portion 4.
  • the cover 10 includes a first cover 11 that covers a side surface that is the first surface of the fuse unit body 2, a second cover 12 that covers an upper surface that is the second surface of the fuse unit body 2, and the first cover 11 and the second cover. And a connecting hinge portion 13 that connects the two.
  • the first cover 11 is fixed to the fuse unit main body 2 via a lock means (not shown).
  • the first cover 11 is provided with a pair of left and right lock portions 11a.
  • the second cover 12 is provided with a pair of left and right lock arms 12a that are locked to the lock portion 11a at a closed position described below.
  • the connecting hinge portion 13 has a flat rectangular belt shape in cross section and is formed to be able to bend and deform. As shown in detail in FIG. 5B and FIG. 6, the connecting hinge part 13 has two root parts 13 a that are connected to the first cover 11 and the second cover 12, and a meat at an intermediate part (a part other than the root part 13 a) 13 b.
  • the thickness (t2) is greater than the thickness (t1).
  • the intermediate portion side of each root portion 13a is formed so that the thickness gradually decreases toward the intermediate portion 13b.
  • Each root portion 13a is formed to be thicker with the band-shaped inner surface side protruding than the intermediate portion 13b.
  • each connecting hinge portion 13 is inclined not toward the mounting surface 11 b and 12 b of the first cover 11 and the second cover 12 but toward the other cover side. Attached. As shown in FIGS. 5B and 6, the inclination angle A is about 45 degrees with respect to the attachment surfaces 11b and 12b. In other words, the inclination angle A is determined by the extending direction of each root portion 13a of the connecting hinge portion 13 in the closed position (perpendicular to the mounting surfaces 11b and 12b) and each root portion 13a of the connecting hinge portion 13 in the open position. Is set at an angle between the direction in which the wire is pulled (the direction parallel to the mounting surfaces 11b and 12b).
  • the second cover 12 connected to the first cover 11 by the connecting hinge portion 13 is in a closed position (see FIG. 4) where the second cover 12 covers the upper surface of the fuse unit body 2 due to the deformation of the connecting hinge portion 13. Position) and an open position (position in FIG. 5A) that is separated from the upper surface of the fuse unit main body 2.
  • the connecting hinge portion 13 In the closed position of the second cover 12, the connecting hinge portion 13 is bent with the same curvature over the entire region and is bent and deformed into a large arc shape as a whole.
  • the connecting hinge portion 13 becomes a straight line. Pulled on.
  • the connecting hinge portion 13 is bent and deformed in a shape that is bent at each root portion 13 a of the first cover 11 and the second cover 12, that is, a shape having a small radius of curvature, as shown in FIG. 6.
  • each root portion 13a is formed to have a thickness t2 that is thicker than the thickness t1 of the intermediate portion 13b of the connecting hinge portion 13, and therefore has a higher bending rigidity than the intermediate portion 13b. With a sharp bent shape, it will not bend. And since the thickness of the intermediate part side of each root part 13a is formed thinly gradually, since the bending rigidity of this part gradually becomes low toward the intermediate part 13b, it is large in this part, ie, curvature. Try to bend in a shape with a larger radius. In other words, it does not bend with a sharp bent shape, that is, a shape with a small curvature radius. Therefore, stress concentration at the root portion 13a of the connecting hinge portion 13 is reduced. Moreover, since the base part 13a of the connection hinge part 13 is thicker than the intermediate
  • the connecting hinge portion 13 has a belt shape, and each root portion 13a is formed thicker with the band-like inner surface side protruding from the intermediate portion 13b. On the intermediate portion side of each root portion 13a, the band-shaped inner surface side is formed so that the thickness is gradually reduced by gradually reducing the amount of protrusion. Since the outer surface of the connecting hinge portion 13 is flush, it looks good.
  • Each root portion 13a of the connecting hinge portion 13 is attached to the attachment surface 11b, 12b of the first cover 11 and the second cover 12 so as to be inclined (inclination angle: A) toward the other cover side. Accordingly, the second cover 12 is changed from the closed position to the open position, and the connecting hinge portion 13 receives a pulling force in a straight line direction, and the continuous hinge portion 13 of the connecting hinge portion 13 is continuously connected to the pulling force.
  • the bending angle between the intermediate points can be reduced. Thereby, the maximum bending stress can be reduced.
  • the bending angle of the intermediate portion is increased, and a large maximum bending stress is generated.
  • the maximum bending stress can be reduced also by the mounting angle of each root portion 13a of the connecting hinge portion 13.
  • the cover according to the embodiment of the present invention is applied to the cover 10 of the fuse unit 1
  • the present invention can also be applied to the cover 10 that covers electronic devices other than the fuse unit 1.
  • the intermediate portion 13b of the connecting hinge portion 13 has a uniform cross-sectional shape, but may have a non-uniform cross-sectional shape as long as the bending rigidity is lower than that of the root portion 13a.
  • the connecting hinge portion 13 has a flat rectangular cross section, but may have a flat elliptical shape.
  • each root portion of the connecting hinge portion is formed thicker than the thickness of the intermediate portion of the connecting hinge portion, and the thickness gradually decreases toward the intermediate portion side of each root portion. Therefore, each base portion has a large curvature radius of bending deformation, and stress concentration on each root portion is reduced. Moreover, since each root part of a connection hinge part is thicker than an intermediate location, the intensity

Landscapes

  • Casings For Electric Apparatus (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Fuses (AREA)

Abstract

La présente invention porte sur un couvercle (10) qui comprend un premier couvercle (11) qui couvre une face latérale d'un corps principal d'unité de fusible (2), un second couvercle (12) qui couvre la face supérieure du corps principal d'unité de fusible (2), et une partie articulation de couplage (13) qui couple le premier couvercle (11) et le second couvercle (12) et est apte à se déformer souplement, ledit second couvercle (12) passant d'une position fermée dans laquelle le second couvercle (12) couvre une seconde face d'un dispositif électronique (2) à une position ouverte dans laquelle le second couvercle (12) est isolé de la seconde face par la déformation souple de la partie articulation de couplage (13). Chaque partie base (13a) de la partie articulation de couplage (13) est formée plus épaisse que l'épaisseur d'un site intermédiaire (13b), et le côté site intermédiaire de chaque partie base (13a) est formé de manière que l'épaisseur devienne progressivement plus mince en allant vers le site intermédiaire (13b).
PCT/JP2014/069205 2013-07-26 2014-07-18 Couvercle WO2015012221A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013155514A JP6178652B2 (ja) 2013-07-26 2013-07-26 カバー
JP2013-155514 2013-07-26

Publications (1)

Publication Number Publication Date
WO2015012221A1 true WO2015012221A1 (fr) 2015-01-29

Family

ID=52393262

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/069205 WO2015012221A1 (fr) 2013-07-26 2014-07-18 Couvercle

Country Status (2)

Country Link
JP (1) JP6178652B2 (fr)
WO (1) WO2015012221A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10916897B1 (en) 2020-02-13 2021-02-09 Aees Inc. Battery mounted fuse holder
US11149572B2 (en) 2016-10-27 2021-10-19 Raytheon Technologies Corporation Additively manufactured component for a gas powered turbine
EP4131318A3 (fr) * 2021-08-06 2023-04-05 Littelfuse, Inc. Ensemble fusible comprenant un dispositif anti-rotation
US12020882B2 (en) 2021-08-06 2024-06-25 Littelfuse, Inc. Fuse assembly including anti-rotation device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6227927B2 (ja) * 2013-08-06 2017-11-08 矢崎総業株式会社 カバー
JP6189706B2 (ja) * 2013-10-10 2017-08-30 矢崎総業株式会社 バッテリカバー

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07192601A (ja) * 1993-12-27 1995-07-28 Yazaki Corp ヒュージブルリンクブロック
JPH08161999A (ja) * 1994-11-30 1996-06-21 Ryosei Denso Kk 一体カバー付ボックス
JPH09115415A (ja) * 1995-10-20 1997-05-02 Yazaki Corp ヒュージブルリンクブロック用カバーの保持構造
JP2008311089A (ja) * 2007-06-14 2008-12-25 Cooper Technologies Co 雌型ヒューズ用のインライン・ヒューズ・ホルダ
JP2010108785A (ja) * 2008-10-30 2010-05-13 Yazaki Corp バッテリ接続端子保護カバー
JP2012038580A (ja) * 2010-08-06 2012-02-23 Yazaki Corp カバー

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07192601A (ja) * 1993-12-27 1995-07-28 Yazaki Corp ヒュージブルリンクブロック
JPH08161999A (ja) * 1994-11-30 1996-06-21 Ryosei Denso Kk 一体カバー付ボックス
JPH09115415A (ja) * 1995-10-20 1997-05-02 Yazaki Corp ヒュージブルリンクブロック用カバーの保持構造
JP2008311089A (ja) * 2007-06-14 2008-12-25 Cooper Technologies Co 雌型ヒューズ用のインライン・ヒューズ・ホルダ
JP2010108785A (ja) * 2008-10-30 2010-05-13 Yazaki Corp バッテリ接続端子保護カバー
JP2012038580A (ja) * 2010-08-06 2012-02-23 Yazaki Corp カバー

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11149572B2 (en) 2016-10-27 2021-10-19 Raytheon Technologies Corporation Additively manufactured component for a gas powered turbine
US10916897B1 (en) 2020-02-13 2021-02-09 Aees Inc. Battery mounted fuse holder
EP4131318A3 (fr) * 2021-08-06 2023-04-05 Littelfuse, Inc. Ensemble fusible comprenant un dispositif anti-rotation
US12020882B2 (en) 2021-08-06 2024-06-25 Littelfuse, Inc. Fuse assembly including anti-rotation device

Also Published As

Publication number Publication date
JP6178652B2 (ja) 2017-08-09
JP2015026516A (ja) 2015-02-05

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