WO2016063958A1 - Boîte de connexion électrique - Google Patents

Boîte de connexion électrique Download PDF

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Publication number
WO2016063958A1
WO2016063958A1 PCT/JP2015/079863 JP2015079863W WO2016063958A1 WO 2016063958 A1 WO2016063958 A1 WO 2016063958A1 JP 2015079863 W JP2015079863 W JP 2015079863W WO 2016063958 A1 WO2016063958 A1 WO 2016063958A1
Authority
WO
WIPO (PCT)
Prior art keywords
case
rib
board
electrical junction
junction box
Prior art date
Application number
PCT/JP2015/079863
Other languages
English (en)
Japanese (ja)
Inventor
関戸　利久
崇人 藤木
野崎　武史
Original Assignee
住友電装株式会社
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 住友電装株式会社 filed Critical 住友電装株式会社
Publication of WO2016063958A1 publication Critical patent/WO2016063958A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box

Definitions

  • the present invention relates to an electrical junction box mounted on an automobile.
  • An electrical junction box installed in an automobile is interposed between a battery and various load devices, and supplies power supplied from the battery to various load devices via a relay or a fuse.
  • Some electrical junction boxes have a configuration in which multiple relays are housed in a case.
  • a plurality of relays mounted on a board are housed in a case, and by connecting a board connector connected to the board to a corresponding connector in the relay box, each relay is connected to a battery, a load device, Intervened between.
  • the board connector of the electrical connection box is temporarily fixed to the board on which the relay is mounted, and in this state, the back surface of the board opposite to the relay is immersed in a solder bath, and the relay and board connector Is soldered to the board to fix the board to the board connector.
  • the board and the board connector are accommodated in the case, and fixed so that the board connector is exposed to the opening of the case.
  • the electrical junction box comprised in this way is connected to the connector of the relay box which connects several electrical junction boxes.
  • the electrical junction box as described above to the connector of the relay box, an operator needs to hold the case of the electrical junction box and attach it to the connector of the relay box.
  • Patent Document 1 discloses a relay module in which a plurality of ridges and recesses are provided in parallel on the outer surface of a case.
  • the case 31 shown in FIG. 5 has a problem in that the mold for forming the grid-like ribs 32 and the molding process are complicated, and the manufacturing cost increases.
  • the case disclosed in Patent Document 1 in order to suppress the bending of the case, when the height of the multiple ridges and recesses is sufficiently secured, the case is formed by the ridges and recesses exposed on the inner surface of the case. Since the volume of the relay is reduced, the required relay cannot be accommodated. Moreover, if the volume of a case is ensured, suppressing a case's bending by a protruding item
  • An object of the present invention is to provide an electrical junction box that can improve the mechanical strength of a case while suppressing an increase in the size and volume of the case.
  • An electrical junction box includes a case that accommodates a board on which an electronic component is mounted and a board connector attached to the board, and a convex surface provided through a step on a gripping surface of the case, A reinforcing rib provided at a position corresponding to the gripping surface on the inner surface of the case on the opposite side of the gripping surface, a vertical rib projecting inwardly from the inner surface, and the vertical rib from the vertical rib.
  • the reinforcing rib includes a lateral rib extending in a direction different from the protruding direction of the rib.
  • the convex surface is located at a central portion of the gripping surface, and the concave surface is located on both sides of the convex surface.
  • the reinforcing rib extends in a direction along the step at a central portion of the inner surface.
  • the reinforcing rib preferably has a T-shaped cross section by the vertical rib and the horizontal rib.
  • the reinforcing rib having a T-shaped cross section.
  • the reinforcing rib preferably has a ⁇ -shaped cross section by the vertical rib and the horizontal rib.
  • This configuration improves the mechanical strength of the gripping surface of the case with a reinforcing rib having a ⁇ -shaped cross section.
  • the relay module shown in FIGS. 1 and 2 is such that the base end of the board connector 2 is exposed at the opening of the rectangular parallelepiped case 1 made of synthetic resin, and is fitted to the connector of the relay box via the board connector 2. It is possible.
  • the case 1 houses a board 4 on which a relay 3 as a plurality of electronic components is mounted, and a board connector 2 to which the board 4 is attached.
  • the board connector 2 the base end portions of a large number of connection pins 6 bent in an L shape are penetrated and held by a base portion 5 formed of synthetic resin.
  • the connection pin 6 is made of a metal having conductivity.
  • the base portion 5 is a synthetic resin part integrally having a holding portion 7 formed in a rectangular parallelepiped shape that can be inserted into the opening of the case 1.
  • the holding part 7 protrudes into the case 1 in a state where the base part 5 is fitted in the case 1.
  • connection pin 6 is formed in an L shape by bending its tip portion at right angles to the height direction of the case 1.
  • a pair of shaft-like temporary fixing convex portions 9 a and 9 b protruding in the same direction as the distal end portion of the connection pin 6 are formed at positions spaced from the base portion 5 by the same distance. ing.
  • a pair of fitting holes 14 are formed in both corners of one edge of the substrate 4 so that the temporary fixing convex portions 9a and 9b can be fitted therein. Then, when the temporary fixing convex portions 9 a and 9 b are inserted into the fitting holes 14, the substrate 4 is temporarily fixed to the substrate connector 2.
  • the holding portion 7 is formed with an inclination preventing piece 15 protruding in the same direction as the temporary fixing convex portions 9a and 9b.
  • the tilt preventing piece 15 is engaged with the edge of the board 4 when the temporary fixing protrusions 9 a and 9 b are fitted into the fitting holes 14 of the board 4 so that the board 4 does not tilt with respect to the board connector 2. It has a function to hold.
  • the substrate 4 has a large number of insertion holes 16 through which the tips of the connection pins 6 can be inserted, and a large number of insertion holes 17 through which the connection terminals of the relay 3 can be inserted.
  • the insertion hole 16 is formed at a position where each connection pin 6 can be inserted when the temporary fixing convex portions 9 a and 9 b are fitted into the fitting holes 14 of the substrate 4.
  • the base portion 5 of the board connector 2 is provided with a pair of locking projections 18 protruding upward and downward, and can be engaged with the locking projection 18 near the opening of the case 1.
  • a locking hole 19 is provided.
  • the gripping surfaces (upper outer surface and lower outer surface in FIGS. 2 and 4) extending in the long side of the opening portion of the case 1 extend in a direction orthogonal to the opening surface of the case 1.
  • a convex surface 21 is formed at the center through a pair of steps 20, and concave surfaces 22 are formed on both sides of the convex surface 21.
  • the convex surface 21 and the concave surface 22 may be referred to as an upper step surface and a lower step surface.
  • the width of the convex surface 21 and each concave surface 22 is set to approximately 2: 1.
  • a portion corresponding to the convex surface 21 is a concave surface
  • a portion corresponding to the concave surface 22 is a convex surface.
  • a reinforcing rib 24 extending in the same direction as the step 20 is formed at the center of the inner surface 23.
  • the reinforcing rib 24 has a cross section T of a longitudinal rib 25 projecting inward from the inner surface 23, preferably in a direction orthogonal to the inner surface 23, and a lateral rib 26 extending in a direction along the inner surface 23 from the tip of the longitudinal rib 25. It is formed in a letter shape.
  • the vertical ribs 25 and the horizontal ribs 26 may be flat, for example.
  • the relay 3 is attached to the surface (also referred to as an element mounting surface) of the substrate 4, and then the temporary fixing convex portions 9 a and 9 b are fitted into the fitting holes 14 of the substrate 4. Then, the board 4 is positioned on the board connector 2, and the tips of the connection pins 6 of the board connector 2 are automatically fitted into the insertion holes 16 of the board 4.
  • the soldering process is performed by immersing the tip of the connection terminal of the relay 3 and the back surface (also referred to as a non-mounting surface) of the substrate 4 where the tip of the connection pin 6 is exposed in a solder bath. Then, the substrate 4 is fixed to the substrate connector 2 and the relay 3 on the substrate 4 is electrically connected to the connection pins 6.
  • the substrate 4 is inserted into the opening of the case 1 from the free end of the substrate 4.
  • the locking projection 18 of the board connector 2 is engaged with the locking hole 19 of the case 1, the assembly of the relay module is completed.
  • This relay module is connected to the connector of the relay box.
  • the convex surface 21 and the concave surface 22 provided on the holding surface of the case 1 and the reinforcing rib 24 provided on the inner surface 23 can improve the mechanical strength of the holding surface. Therefore, when the relay module is attached to the relay box, even if the gripping surface of the case 1 is gripped, the bending of the gripping surface can be suppressed.
  • the reinforcing rib 24 has a T-shaped cross section by the vertical rib 25 and the horizontal rib 26, the mechanical strength of the gripping surface of the case 1 can be sufficiently improved.
  • the reinforcing rib 24 is provided only at the center of the inner surface 23 of the case 1, the volume of the case 1 is not greatly reduced. Therefore, it is possible to accommodate a board on which necessary components are mounted without enlarging the case 1.
  • the convex surface 21 and the concave surface 22 of the case 1 are preferably flat surfaces. According to this structure, the metal mold
  • each step 20 extends in a direction intersecting the opening surface of the case 1, preferably in a direction orthogonal to the case 1.
  • it is a stepped shape.
  • the concave surface 22 is defined outside the two steps 20 on each of the upper outer surface and the lower outer surface of the case 1. The concave surface 22 reduces the thickness of the case 1, that is, the distance between the upper outer surface and the lower outer surface, making it easier to grip the case 1, and the step 20 prevents or reduces the bending of the case 1.
  • the reinforcing rib may have a shape having, for example, a ⁇ -shaped cross section other than the T shape as long as the reinforcing rib has a shape including a vertical rib and a horizontal rib.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Connection Or Junction Boxes (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

La présente invention porte sur une boîte de connexion électrique qui comprend un boîtier (1) présentant une surface de prise qui comprend un échelon (20) qui se trouve entre une surface en saillie (21) et une surface en retrait (22). Une nervure de renforcement (24) est pratiquée sur une surface intérieure (23) du boîtier (1). La nervure de renforcement (24) comprend une nervure verticale (25) qui fait saillie vers l'intérieur à partir de la surface intérieure (23) et une nervure horizontale (26) qui s'étend à partir de la nervure verticale (25) dans une direction qui est différente de la direction de saillie de la nervure verticale.
PCT/JP2015/079863 2014-10-24 2015-10-22 Boîte de connexion électrique WO2016063958A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2014217258A JP2016086513A (ja) 2014-10-24 2014-10-24 電気接続箱
JP2014-217258 2014-10-24

Publications (1)

Publication Number Publication Date
WO2016063958A1 true WO2016063958A1 (fr) 2016-04-28

Family

ID=55760988

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2015/079863 WO2016063958A1 (fr) 2014-10-24 2015-10-22 Boîte de connexion électrique

Country Status (2)

Country Link
JP (1) JP2016086513A (fr)
WO (1) WO2016063958A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1156566A2 (fr) * 2000-05-19 2001-11-21 Ensto Busch-Jaeger Oy Boítier de raccordement de câbles électriques
JP2003204174A (ja) * 2002-01-09 2003-07-18 Matsushita Electric Ind Co Ltd 携帯型情報処理装置
JP2011147265A (ja) * 2010-01-14 2011-07-28 Sumitomo Wiring Syst Ltd 電気接続箱

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1156566A2 (fr) * 2000-05-19 2001-11-21 Ensto Busch-Jaeger Oy Boítier de raccordement de câbles électriques
JP2003204174A (ja) * 2002-01-09 2003-07-18 Matsushita Electric Ind Co Ltd 携帯型情報処理装置
JP2011147265A (ja) * 2010-01-14 2011-07-28 Sumitomo Wiring Syst Ltd 電気接続箱

Also Published As

Publication number Publication date
JP2016086513A (ja) 2016-05-19

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