WO2019180995A1 - Boîte de dérivation - Google Patents

Boîte de dérivation Download PDF

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Publication number
WO2019180995A1
WO2019180995A1 PCT/JP2018/032057 JP2018032057W WO2019180995A1 WO 2019180995 A1 WO2019180995 A1 WO 2019180995A1 JP 2018032057 W JP2018032057 W JP 2018032057W WO 2019180995 A1 WO2019180995 A1 WO 2019180995A1
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WO
WIPO (PCT)
Prior art keywords
branch
trunk
cover
bus bar
conductor
Prior art date
Application number
PCT/JP2018/032057
Other languages
English (en)
Japanese (ja)
Inventor
悟司 山本
平井　宏樹
東小薗　誠
一仁 小原
澤田　尚
Original Assignee
株式会社オートネットワーク技術研究所
住友電装株式会社
住友電気工業株式会社
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 株式会社オートネットワーク技術研究所, 住友電装株式会社, 住友電気工業株式会社 filed Critical 株式会社オートネットワーク技術研究所
Publication of WO2019180995A1 publication Critical patent/WO2019180995A1/fr

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/59—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures
    • H01R12/61—Fixed connections for flexible printed circuits, flat or ribbon cables or like structures connecting to flexible printed circuits, flat or ribbon cables or like structures
    • 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
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
    • 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 technology disclosed in this specification relates to a branch box.
  • a flexible flat cable having a conductive path and a flexible insulating layer surrounding the conductive path is known. Since this flexible flat cable has flexibility, it can be suitably used when wiring in a limited space such as a vehicle is required.
  • the technology disclosed in the present specification has been completed based on the above situation, and an object thereof is to provide a technology for electrically connecting a plurality of flexible flat cables in a positioned state. To do.
  • the technology disclosed in this specification includes a case, a basic flexible flat cable fixed to the case, and a branching flexible flat cable fixed to the case in a state of being electrically connected to the basic flexible flat cable. And a cover that covers the backbone flexible flat cable and the branch flexible flat cable assembled to the case, and a relay conductive path that electrically connects the backbone flexible flat cable and the branch flexible flat cable.
  • the trunk flexible flat cable has a trunk conductor and a trunk insulation coating that covers the trunk conductor
  • the branch flexible cable has a branch conductor and a branch insulation coating that covers the branch conductor.
  • the relay conductive path is electrically connected to the main land exposed from the main opening provided on the main insulating coating and the branch land exposed from the branch opening provided on the branch insulating coating of the branch conductor. Has been.
  • the basic flexible flat cable and the branch flexible flat cable can be easily positioned by fixing the basic flexible flat cable and the branch flexible flat cable to the case.
  • the core flexible flat cable and the branch flexible flat cable can be electrically connected by the relay conductive path in the positioned state.
  • the case includes a bottom wall, a basic pinching portion that holds the basic flexible flat cable between the bottom wall, and a branch holding portion that holds the branch flexible flat cable between the bottom wall. It is preferable.
  • the basic flexible flat cable can be fixed to the case by the basic pinching portion and the branch flexible flat cable can be fixed by the branch pinching portion.
  • the case has a positioning pin protruding from the bottom wall, and a positioning hole through which the positioning pin is inserted is formed in the trunk flexible flat cable and the branch flexible flat cable.
  • the backbone flexible flat cable and the branching flexible flat cable can be securely fixed to the case.
  • the cover opens at a position corresponding to the basic land and has a basic work hole that the basic land faces, and has a branch work hole that opens at a position corresponding to the branch land and the branch land faces. It is preferable that a main sub-cover that closes the basic work hole is attached to the cover, and a branch sub-cover that closes the branch work hole is attached.
  • the jig is inserted from the basic work hole, the basic land and the relay conductive path are connected by soldering, etc., and the jig is inserted from the branch work hole.
  • the branch land and the relay conductive path can be connected by soldering or the like.
  • the main work hole is closed with the main sub-cover and the branch work hole is closed with the branch sub-cover, thereby preventing foreign matters such as dust from entering the case.
  • operativity at the time of manufacturing a branch box can be improved.
  • a plurality of flexible flat cables can be electrically connected in a state where they are positioned.
  • FIG. Exploded perspective view showing a branch box Top view showing the branch box with the cover removed Sectional view taken along line IV-IV in FIG.
  • Typical sectional drawing which shows the structure of the area
  • Typical sectional drawing which shows the structure of the area
  • Typical sectional drawing which shows the structure of the area
  • Exploded perspective view showing relay conductive path, insulating plate, and base shield member
  • the perspective view which shows the shield structure of a relay bus bar, omitting an insulating plate
  • the perspective view which shows the process of attaching a cover shield member to a cover The perspective view which shows the process of attaching a relay conductive path to a cover
  • the perspective view which shows the process of attaching an insulating board to a cover The perspective view which shows the process of attaching a base shield member to a cover
  • An exploded perspective view showing a relay conductive path, a cover shield member, an insulating cover, an insulating plate, and a base shield member 26 is a cross-sectional view in a plane parallel to the XZ plane and passing through the legs in FIG.
  • a perspective view showing a relay conductive path, a cover shield member, an insulating cover, and a base shield member attached to an insulating plate The perspective view which shows the relay conductive path, cover shield member, insulation cover, insulation board, and base shield member based on Embodiment 4.
  • FIG. 1 An exploded perspective view showing a relay conductive path, a cover shield member, an insulating cover, an insulating plate, and a base shield member according to the fifth embodiment
  • the perspective view which shows the state by which the relay conductive path, cover shield member, insulating cover, and base shield member based on Embodiment 6 were insert-molded 32, a cross-sectional view in a plane parallel to the YZ plane and passing through the relay bus bar.
  • the branch box 10 includes a case 11, a trunk cable 12 (an example of a trunk flexible flat cable) fixed to the case 11, and a branch cable 13 (an example of a branch flexible flat cable) fixed to the case 11.
  • a relay conductive path 14 that electrically connects the trunk cable 12 and the branch cable 13, and a cover 15 that is assembled to the case 11.
  • the branch box 10 is mounted on a vehicle (not shown) such as an electric vehicle or a hybrid vehicle, and branches the power circuit and the signal circuit.
  • a vehicle not shown
  • the Z direction is upward
  • symbol may be attached
  • the branch box 10 has a substantially T shape as a whole when viewed from above.
  • the rear portion of the branch box 10 has a rectangular shape elongated in the left-right direction when viewed from above.
  • the front portion of the branch box 10 is formed to extend forward from near the center in the left-right direction of the rear portion of the branch box 10, and has a rectangular shape when viewed from above.
  • a branch cable 13 is led forward from the front end of the branch box 10.
  • the branch box 10 has a case 11 that opens upward, and a cover 15 that is assembled to the case 11 from above.
  • the cover 15 is formed slightly larger than the outer shape of the case 11.
  • the case 11 has a bottom wall 11A and a side wall that rises upward from a side edge of the bottom wall 11A.
  • the cover 15 has an upper wall and a side wall extending downward from a side edge of the upper wall.
  • the case 11 and the cover 15 are assembled together by elastically engaging the lock portion 16 protruding from the outer surface of the side wall of the case 11 and the lock receiving portion 17 provided on the side wall of the cover 15. It has become.
  • two positioning pins 18 ⁇ / b> A are arranged on the bottom wall 11 ⁇ / b> A of the case 11 at a position near the right end and are spaced apart in the left-right direction and protrude upward, and 1 at the position near the left end.
  • One positioning pin 18A protrudes upward.
  • These positioning pins 18 ⁇ / b> A are inserted into positioning holes 19 ⁇ / b> A penetrating through the trunk cable 12, whereby the trunk cable 12 is positioned relative to the case 11.
  • the positioning hole 19 ⁇ / b> A formed in the trunk cable 12 is formed at a position different from the power trunk conductor 30, the signal trunk conductor 31, and the ground trunk conductor 32 described later in the trunk cable 12.
  • two positioning pins 18B are arranged at a position close to the front end portion with a space in the front-rear direction and project upward.
  • the positioning pin 18 ⁇ / b> B is inserted into the positioning hole 19 ⁇ / b> B penetrating the branch cable 13, so that the branch cable 13 is positioned relative to the case 11.
  • the positioning hole 19B formed in the branch cable 13 is formed at a position different from the power branch conductor 37, the signal branch conductor 38, and the ground branch conductor 39, which will be described later, in the branch cable 13.
  • the side wall is not formed at the left end of the case 11 and opens to the left. Moreover, the side wall is not formed also in the right end part of case 11, and it opens to the right side. As a result, the trunk cable 12 is led out from the case 11 to the left and right.
  • a left side holding part 20 ⁇ / b> A (an example of a main part holding part) that holds the main cable 12 with the bottom wall 11 ⁇ / b> A is formed integrally with the case 11 via a hinge 21.
  • a lock claw 22 is formed at the tip of the left sandwiching portion 20A. The lock claw 22 is engaged with the locked portion 23 provided on the opposite side of the case 11 to the hinge 21 so that the trunk cable 12 is clamped between the bottom wall 11A and the left clamping portion 20A. It is like that.
  • a plurality of the left-side holding portions 20A facing the main cable 12 extend in the front-rear direction and are arranged at intervals in the left-right direction (this embodiment)
  • three) holding ribs 24 are formed.
  • a right side clamping portion 20 ⁇ / b> B (an example of a backbone clamping portion) that clamps the backbone cable 12 with the bottom wall 11 ⁇ / b> A is formed integrally with the case 11 via a hinge 21. Since the configuration of the right clamping unit 20B is the same as that of the left clamping unit 20A, the same components are denoted by the same reference numerals and redundant description is omitted.
  • a branch holding part 20 ⁇ / b> C (an example of a holding part) that holds the branch cable 13 with the bottom wall 11 ⁇ / b> A is integrally formed with the case 11 via a hinge 21. Since the configuration of the branch clamping unit 20C is the same as that of the left clamping unit 20A, the same components are denoted by the same reference numerals and redundant description is omitted.
  • a fuse mounting portion 25 is provided on the upper wall of the cover 15 so as to open upward at a position near the center in the left-right direction and near the center in the front-rear direction.
  • a plurality of (two in this embodiment) fuses 26 are mounted side by side in the left-right direction on the fuse mounting portion 25.
  • the lower end portion of the side wall located at the left end portion of the cover 15 is formed to be slightly recessed upward.
  • the lower end portion of the side wall located at the right end portion of the cover 15 is formed to be slightly recessed upward.
  • a gap is formed between the bottom wall 11 ⁇ / b> A of the case 11 so that the trunk cable 12 can be inserted.
  • the lower end portion of the side wall located at the front end portion of the cover 15 is formed to be slightly recessed upward. Thereby, a gap is formed between the bottom wall 11 ⁇ / b> A of the case 11 so that the branch cable 13 can be inserted.
  • a shield member mounting portion 28 to which a cover shield member 27 (an example of a shield member) described later is mounted is formed on the lower surface of the upper wall of the cover 15 so as to protrude downward.
  • the shield member mounting portion 28 is formed with a bottomed hole that penetrates the upper wall.
  • the cover shield member 27 is fixed to the cover 15 by screwing a screw 29 from below into the bottomed hole while passing through the cover shield member 27.
  • the trunk cable 12 is arranged at three power trunk conductors 30 (an example of the trunk conductor) arranged at the rear part of the trunk cable 12, and at the front part of the trunk cable 12.
  • Two signal trunk conductors 31 (an example of a trunk conductor) arranged at intervals in the direction, and two ground trunk conductors 32 (basic conductors) arranged at positions sandwiching the signal trunk conductor 31 forward and backward For example).
  • the power trunk conductor 30, the signal trunk conductor 31, and the ground trunk conductor 32 are elongated in the left-right direction and are arranged side by side in the front-rear direction.
  • the power main conductor 30, the signal main conductor 31, and the ground main conductor 32 are formed in a long and flat shape.
  • the power main conductor 30, the signal main conductor 31, and the ground main conductor 32 are formed of a material having electrical conductivity. Examples of the main component of the power main conductor 30, the signal main conductor 31, and the ground main conductor 32 include copper. More specifically, the power main conductor 30, the signal main conductor 31, and the ground main conductor 32 are preferably annealed copper wires.
  • FIG. 6 is a partially enlarged schematic cross-sectional view showing a region of the main cable 12 in which the power main conductor 30 is disposed.
  • FIG. 7 is a partially enlarged schematic cross-sectional view showing a region of the trunk cable 12 where the signal trunk conductor 31 and the ground trunk conductor 32 are arranged.
  • the power main conductor 30, the signal main conductor 31, and the ground main conductor 32 are arranged side by side with a space therebetween while being embedded in the conductor holding adhesive 33.
  • the conductor holding adhesive 33 By the conductor holding adhesive 33, the power main conductor 30, the signal main conductor 31, and the ground main conductor 32 are electrically insulated.
  • An insulating film 34 (an example of a basic insulating coating) is laminated on the upper and lower surfaces of the conductor holding adhesive 33.
  • a synthetic resin film having insulating properties can be used.
  • the synthetic resin for example, polyimide, polyester, polyphenylene sulfide and the like are preferably used.
  • the two power core conductors 30 arranged near the rear portion of the main cable 12 and the power main conductor 30 arranged near the front portion are slightly different in the front-rear direction. They are spaced apart. A positioning hole 19 ⁇ / b> A is formed in this region so as to avoid the power main conductor 30.
  • the insulating film 34 laminated on the upper surface of the conductor holding adhesive 33 is located at a position corresponding to the signal trunk conductor 31 and the ground trunk conductor 32 arranged in the front part of the trunk cable 12.
  • a conductive shield layer 35 (an example of a basic shield) and an insulating layer 36 (an example of a basic insulating coating) covering the outer surface of the shield layer 35 are laminated on the upper surface of the substrate.
  • the shield layer 35 is made of a conductive material.
  • a material of the shield layer 35 for example, a metal foil, a metal vapor-deposited film, a conductive woven fabric, a conductive nonwoven fabric, or the like can be used.
  • Examples of the component that exhibits conductivity in the shield layer 35 include aluminum, copper, nickel, silver, and iron. Copper or aluminum that is relatively inexpensive and excellent in conductivity is particularly suitable. Since the insulating layer 36 is the same as the insulating film 34 described above, a duplicate description is omitted. Although not shown in detail, the shield layer 35 and the ground core conductor 32 are electrically connected.
  • the shield layer 35 and the insulating layer 36 are also laminated on the lower surface of the insulating film 34 laminated on the lower surface of the conductor holding adhesive 33. Since the shield layer 35 and the insulating layer 36 are the same as those laminated on the upper surface of the insulating film 34, the same reference numerals are given and redundant description is omitted.
  • the branch cable 13 includes three power branch conductors 37 (an example of a branch conductor) disposed on the right side of the branch cable 13, and the left side of the branch cable 13.
  • Two signal branch conductors 38 (an example of a branch conductor) and two ground branch conductors 39 (branch conductors) arranged at positions sandwiching the signal branch conductor 38 from the left and right. An example).
  • the power branch conductor 37, the signal branch conductor 38, and the ground base branch circuit are elongated in the left-right direction and are arranged side by side in the front-rear direction.
  • the power branch conductor 37, the signal branch conductor 38, and the ground branch conductor 39 are formed in a long and flat plate shape.
  • the power branch conductor 37, the signal branch conductor 38, and the ground branch conductor 39 are formed of a material having electrical conductivity.
  • a main component of the power branch conductor 37, the signal branch conductor 38, and the ground branch conductor 39 for example, copper can be cited. More specifically, the power branch conductor 37, the signal branch conductor 38, and the ground branch conductor 39 are preferably soft copper wires.
  • FIG. 8 is a partially enlarged schematic cross-sectional view showing a region of the branch cable 13 in which the power branch conductor 37 is disposed.
  • FIG. 9 is a partially enlarged schematic cross-sectional view showing a region of the branch cable 13 in which the signal branch conductor 38 and the ground branch conductor 39 are disposed.
  • the power branch conductor 37, the signal branch conductor 38, and the ground branch conductor 39 are arranged side by side while being embedded in the conductor holding adhesive 40. By the conductor holding adhesive 40, the power branch conductor 37, the signal branch conductor 38, and the ground branch conductor 39 are electrically insulated.
  • the two power branch conductors 37 disposed near the right end of the branch cable 13 and the power branch conductor 37 disposed near the left end are in the left-right direction. They are arranged slightly apart. A positioning hole 19B is formed in this region so as to avoid the power branch conductor 37.
  • An insulating film 41 (an example of a branched insulating coating) is laminated on the upper and lower surfaces of the conductor holding adhesive 40.
  • an insulating synthetic resin film can be used.
  • the synthetic resin for example, polyimide, polyester, polyphenylene sulfide and the like are preferably used.
  • the insulating film 41 laminated on the upper surface of the conductor holding adhesive 40 is located at a position corresponding to the signal branch conductor 38 and the ground branch conductor 39 arranged in the front part of the branch cable 13.
  • a shield layer 42 having conductivity (an example of a branch shield) and an insulating layer 43 (an example of a branch insulating coating) covering the outer surface of the shield layer 42 are provided on the upper surface of the shield layer 42.
  • the shield layer 42 is made of a conductive material.
  • a material of the shield layer 42 for example, a metal foil, a metal vapor deposition film, a conductive woven fabric, a conductive non-woven fabric, or the like can be used.
  • Examples of the component that exhibits conductivity in the shield layer 42 include aluminum, copper, nickel, silver, iron, and the like, and copper or aluminum that is relatively inexpensive and excellent in conductivity is particularly suitable. Since the insulating layer 43 of the shield tape is the same as the insulating film 41 described above, redundant description is omitted. Although not shown in detail, the shield layer 42 and the ground branch conductor 39 are electrically connected.
  • the shield layer 42 and the insulating layer 43 are also laminated on the lower surface of the insulating film 41 laminated on the lower surface of the conductor holding adhesive 40. Since the shield layer 42 and the insulating layer 43 are the same as those laminated on the upper surface of the insulating film 41, the same reference numerals are given and redundant description is omitted.
  • the trunk cable 12 extends in the left-right direction on the bottom wall 11 ⁇ / b> A of the case 11 at a position slightly ahead of the front end of the branch cable 13 that extends in the front-rear direction.
  • a plurality of the power trunk conductors 30 exposed by removing the insulating film 34 at positions slightly to the left of the left edge of the branch cable 13 and closer to the rear Three power basic openings 44 are provided.
  • the power main opening 44 has a rectangular shape elongated in the left-right direction.
  • the power trunk openings 44 are arranged side by side in the front-rear direction.
  • the power trunk conductor 30 exposed from the power trunk opening 44 is a power trunk land 45.
  • a plurality of (two in this embodiment) signal trunk openings 46 with the core conductor 31 exposed and a plurality (two in this embodiment) ground trunk openings 47 with the ground trunk conductor 32 exposed are provided. It has been.
  • the signal trunk opening 46 and the ground trunk opening 47 have a rectangular shape elongated in the left-right direction, and are arranged side by side in the front-rear direction.
  • the signal trunk conductor 31 exposed from the signal trunk opening 46 is a signal trunk land 48.
  • the ground trunk conductor 32 exposed from the ground trunk opening 47 is a ground trunk land 49.
  • the power main opening 44, the signal main opening 46, and the ground main opening 47 are formed by a known method such as punching, drilling, or laser processing.
  • the power branch opening 50 has a rectangular shape elongated in the front-rear direction.
  • the power branch openings 50 are arranged side by side in the left-right direction.
  • the power branch conductor 37 exposed from the power branch opening 50 is a power branch land 51.
  • a plurality of the signal branch conductors 38 are exposed by removing the insulating film 41, the shield layer 42, and the insulating layer 43 at the left side of the power branch opening 50 (this embodiment).
  • Two signal branch openings 52 and a plurality of (two in this embodiment) ground branch openings 53 from which the ground branch conductors 39 are exposed are provided.
  • the signal branch opening 52 and the ground branch opening 53 have a long and narrow rectangular shape in the front-rear direction, and are arranged side by side with an interval in the left-right direction.
  • the signal branch conductor 38 exposed from the signal branch opening 52 serves as a signal branch land 54.
  • the ground branch conductor 39 exposed from the ground branch opening 53 is a ground branch land 55.
  • the power branch opening 50, the signal branch opening 52, and the ground branch opening 53 are formed in the same manner as the power core opening 44, signal core opening 46, and ground core opening 47. can do.
  • the first and second power main lands 45 from the back are connected to the first main bus bar 56 (relay).
  • An example of the conductive path 14) is connected to the two basic terminal portions 57A formed at the left end portion.
  • the trunk side terminal portion 57A has a shape bent downward in a crank shape.
  • the power main land 45 and the main terminal portion 57A are electrically connected by a known method such as soldering, brazing, resistance welding, laser welding or the like.
  • the first trunk-side bus bar 56 is bent in an L shape when viewed from above.
  • the front end portion of the first trunk-side bus bar 56 is bent upward and bifurcated into a fuse connection terminal portion 58A that can hold a lead portion 59 of a fuse 26 (an example of the relay conductive path 14) described later. .
  • the first and second power branch lands 51 from the right are at the front end of the first branch side bus bar 60 (an example of the relay conductive path 14). It is connected to the two branch side terminal portions 61A formed.
  • the branch side terminal portion 61A has a shape bent downward in a crank shape.
  • the power branch land 51 and the branch side terminal portion 61A are electrically connected by a known method such as soldering, brazing, resistance welding, laser welding or the like.
  • the first branch side bus bar 60 is bent in a crank shape when viewed from the side.
  • the front end portion of the first branch-side bus bar 60 is bent upward and bifurcated into a fuse connection terminal portion 58C that can hold a lead portion 59 of the fuse 26 described later.
  • the lead portion 59 of the fuse 26 is sandwiched between the fuse connection terminal portion 58A of the first trunk side bus bar 56 and the fuse connection terminal portion 58C of the first branch side bus bar 60. 56 and the first branch side bus bar 60 are electrically connected via the fuse 26.
  • the third power backbone land 45 from the back is the backbone formed at the left end of the second backbone bus bar 62 (an example of the relay conductive path 14). It is connected to the side terminal portion 57B.
  • the trunk side terminal portion 57B has a shape bent downward in a crank shape.
  • the power main land 45 and the main terminal portion 57B are electrically connected by a known method such as soldering, brazing, resistance welding, laser welding or the like.
  • the second trunk side bus bar 62 is bent in an L shape when viewed from above.
  • the front end portion of the second trunk-side bus bar 62 is bent upward and bifurcated into a fuse connection terminal portion 58B that can hold a lead portion 59 of the fuse 26 described later.
  • the third power branch land 51 from the right is a branch formed at the front end portion of the second branch side bus bar 63 (an example of the relay conductive path 14). It is connected to the side terminal portion 61B.
  • the branch side terminal portion 61B has a shape bent downward in a crank shape.
  • the power branch land 51 and the branch side terminal portion 61B are electrically connected by a known method such as soldering, brazing, resistance welding, laser welding or the like.
  • the second branch side bus bar 63 is bent in a crank shape when viewed from the side.
  • the front end portion of the second branch side bus bar 63 is bent upward and bifurcated into a fuse connection terminal portion 58D capable of sandwiching a lead portion 59 of the fuse 26 described later.
  • the fuse connection terminal portions 58A, 58B, 58C, 58D are arranged inside the fuse mounting portion 25 provided on the cover 15.
  • the second trunk side bus bar. 62 and the second branch side bus bar 63 are electrically connected through the fuse 26.
  • the signal backbone land 48 formed on the backbone cable 12 is electrically connected to the signal branch land 54 formed on the branch cable 13 via a relay bus bar 64 (an example of the relay conductive path 14).
  • a relay bus bar 64 an example of the relay conductive path 14
  • the signal trunk conductor 31 of the trunk cable 12 and the signal branch conductor 38 of the branch cable 13 are electrically connected.
  • two signal backbone lands 48 provided on the backbone cable 12 and two signal branch lands 54 provided on the branch cable 13 are respectively provided by two relay bus bars 64. It is connected.
  • the relay bus bar 64 has a trunk-side terminal portion 57 ⁇ / b> C connected to the signal trunk land 48 and a branch-side terminal portion 61 ⁇ / b> C connected to the signal branch land 54.
  • two relay bus bars 64 are arranged with a space therebetween.
  • the relay bus bar 64 is bent in an L shape when viewed from above.
  • the trunk side terminal portion 57C and the branch side terminal portion 61C are bent downward in a crank shape.
  • the signal main land 48 and the main terminal portion 57C are electrically connected by a known method such as soldering, brazing, resistance welding, or laser welding. Further, the signal branch land 54 and the branch side terminal portion 61C are electrically connected by a known method such as soldering, brazing, resistance welding, laser welding or the like.
  • the two main ground lands 49 for ground formed on the main cable 12 are connected to the two main ground-side ground terminal portions 66 formed at the left end of the base shield member 65 (an example of a shield member), respectively. .
  • the trunk side ground terminal portion 66 has a shape bent downward in a crank shape.
  • the main ground land 49 and the main ground terminal 66 are electrically connected by a known method such as soldering, brazing, resistance welding, or laser welding.
  • the base shield member 65 has a substrate portion 67 having a substantially rectangular shape when viewed from above.
  • the above-described trunk-side ground terminal portion 66 is formed in a shape bent in a crank shape downward from the substrate portion 67.
  • the board portion 67 includes a shield-side first slit 68 bent in an L shape when viewed from above, and a shield-side second extending in the front-rear direction when viewed from above at the left side of the shield-side first slit 68. And a slit 69.
  • the two ground branch lands 55 formed on the branch cable 13 are respectively connected to the two branch side ground terminal portions 70 formed on the front end of the base shield member 65.
  • the branch side ground terminal portion 70 has a shape bent in a crank shape downward from the substrate portion 67.
  • the ground branch land 55 and the branch-side ground terminal portion 70 are electrically connected by a known method such as soldering, brazing, resistance welding, or laser welding.
  • the first trunk-side bus bar 56, the first branch-side bus bar 60, the second trunk-side bus bar 62, the second branch-side bus bar 63, and the relay bus bar 64 are arranged on the upper surface of an insulating plate 71 made of an insulating synthetic resin. Yes. A plurality of ribs 72 projecting upward are formed on the upper surface of the insulating plate 71. By interposing this rib 72, the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, and the relay bus bar 64 are electrically insulated from each other. Yes.
  • a plurality of legs 73 projecting downward are formed on the lower surface of the insulating plate 71.
  • the insulating plate 71 is arranged with a space from the bottom wall 11 ⁇ / b> A of the case 11 while being placed on the bottom wall 11 ⁇ / b> A of the case 11.
  • a base shield member 65 is disposed on the lower surface of the insulating plate 71.
  • the substrate portion 67 of the base shield member 65 is arranged at a position overlapping the two relay bus bars 64 through the insulating plate 71 as viewed from above.
  • the base shield member 65 is disposed on the insulating plate 71, at positions corresponding to the shield-side first slit 68 and the shield-side second slit 69 of the base shield member 65, respectively.
  • a first slit 74 and an insulating plate side second slit 75 are formed.
  • the insulating plate 71, the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, the relay bus bar 64, and the base shield member 65 are bonded, heated It is fixed by a known method such as welding.
  • a cover shield member 27 (an example of a shield member) screwed to the cover 15 is disposed above the insulating plate 71.
  • the cover shield member 27 has an upper wall 76, a first side wall 77 that extends downward from a side edge of the upper wall 76, and a second side wall 78.
  • the first side wall 77 is bent in an L shape when viewed from above.
  • the first side wall 77 has a shape corresponding to the shield-side first slit 68 and the insulating plate-side first slit 74 described above, and the lower end portion of the first side wall 77 has the shield-side first slit 68 and the insulating plate.
  • the side first slit 74 is inserted from above and penetrates below the insulating plate 71.
  • the second side wall 78 is formed to extend in the front-rear direction when viewed from above.
  • the second side wall 78 has a shape corresponding to the shield-side second slit 69 and the insulating plate-side second slit 75 described above, and the lower end of the second side wall 78 has the shield-side second slit 69 and the insulating plate.
  • the side second slit 75 is inserted from above and penetrates below the insulating plate 71.
  • a base shield member 65 is disposed below the relay bus bar 64 via an insulating plate 71, and a cover shield member 27 is disposed on the side and above the relay bus bar 64. Yes.
  • the relay bus bar 64 is surrounded by the base shield member 65 and the cover shield member 27.
  • the base shield member 65 and the cover shield member 27 are not electrically connected.
  • the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, the relay bus bar 64, the base shield member 65, and the cover shield member 27 press the metal plate material. As a result, a predetermined shape is formed.
  • the metal plate material can be selected as required from any metal such as copper, copper alloy, aluminum, aluminum alloy and the like.
  • a plating layer is formed on the surfaces of the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, the relay bus bar 64, the base shield member 65, and the cover shield member 27, a plating layer is formed. It may be formed.
  • a metal which comprises a plating layer it can select from arbitrary metals, such as tin and nickel, as needed.
  • the case 11 and the cover 15 are injection molded with synthetic resin. Further, the insulating plate 71 is injection molded with synthetic resin.
  • a power trunk opening 44, a signal trunk opening 46, and a ground trunk opening 47 are formed on the upper surface of the trunk cable 12, and the power trunk land 45, the signal trunk land 48, and the ground trunk are respectively formed.
  • the land 49 is exposed.
  • a power branch opening 50, a signal branch opening 52, and a ground branch opening 53 are formed on the top surface of the branch cable 13, and the power branch land 51, the signal branch land 54, and the ground branch land are formed respectively. 55 is exposed.
  • the left holding part 20A, the right holding part 20B, and the branch holding part 20C provided in the case 11 are flipped upward by rotating around the hinge 21.
  • the trunk cable 12 is placed on the rear part of the case 11.
  • the positioning pins 18 ⁇ / b> A of the case 11 are inserted into the positioning holes 19 ⁇ / b> A of the trunk cable 12.
  • the trunk cable 12 is placed in a state of being positioned on the case 11.
  • the branch cable 13 is placed on the front part of the case 11. At this time, the positioning pin 18 ⁇ / b> B of the case 11 is inserted into the positioning hole 19 ⁇ / b> B of the branch cable 13. As a result, the branch cable 13 is placed in a state of being positioned in the case 11.
  • the left holding part 20 ⁇ / b> A and the right holding part 20 ⁇ / b> B are moved toward the bottom wall 11 ⁇ / b> A of the case 11 by rotating around the hinge 21.
  • the lock claws 22 of the left holding part 20A and the right holding part 20B and the locked part 23 of the case 11 are elastically engaged.
  • the trunk cable 12 is sandwiched between the left clamping unit 20 ⁇ / b> A and the right clamping unit 20 ⁇ / b> B and the bottom wall 11 ⁇ / b> A of the case 11.
  • the branch clamping unit 20 ⁇ / b> C is moved toward the bottom wall 11 ⁇ / b> A of the case 11 by rotating around the hinge 21.
  • the lock claw 22 of the branch clamping part 20C and the locked part 23 of the case 11 are elastically engaged. Thereby, the branch cable 13 is clamped between the branch clamping unit 20 ⁇ / b> C and the bottom wall 11 ⁇ / b> A of the case 11.
  • a solder paste is applied to the upper surfaces of the power main land 45, the signal main land 48, the ground main land 49, the power branch land 51, the signal branch land 54, and the ground branch land 55, such as screen printing. Apply by technique.
  • the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, the relay bus bar 64, the base shield member 65, and the cover shield member 27 is formed.
  • the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, and the relay bus bar 64 are disposed on the upper surface of the insulating plate 71, and the base shield member 65 is insulated. It arrange
  • the insulating plate 71 includes a first trunk-side bus bar 56, a first branch-side bus bar 60, a second trunk-side bus bar 62, a second branch-side bus bar 63, a relay bus bar 64, and a base shield.
  • a member to which the member 65 is fixed is disposed on the trunk cable 12 and the branch cable 13 placed on the case 11. This work may be performed by an operator, or a machine such as a mounter may be used.
  • Lower ends of the main terminal portions 57A and 57B of the first main bus bar 56 and the second main bus bar 62 are placed on the power main land 45, and the signal main land 48 is relayed to the power main land 45
  • the lower end portion of the base side terminal portion 57C of the bus bar 64 is placed, and the lower end portion of the base side ground terminal portion 66 of the base shield member 65 is placed on the ground base land 49.
  • the power branch land 51 is placed with the lower ends of the branch-side terminal portions 61A and 61B of the first branch bus bar and the second branch bus bar, and the signal branch land 54 has a relay bus bar 64.
  • the lower end portion of the branch side terminal portion 61 ⁇ / b> C is placed, and the lower end portion of the branch side ground terminal portion 70 of the base shield member 65 is placed on the ground branch land 55.
  • the power main land 45 is soldered to the lower ends of the main terminal portions 57A and 57B of the first main bus bar 56 and the second main bus bar 62, and the signal main land 48 is connected to the relay bus bar. 64, the lower ends of the basic terminal portions 57C of the 64 are soldered, and the basic lands 49 for ground and the lower ends of the basic ground terminal portions 66 of the base shield portion are soldered.
  • the power branch land 51 is soldered to the lower ends of the branch side terminal portions 61A and 61B of the first branch bus bar and the second branch bus bar, and the signal branch land 54 and the branch side terminal of the relay bus bar 64 are soldered.
  • the lower end portion of the portion 61C is soldered, and the ground branch land 55 and the lower end portion of the branch side ground terminal portion 70 of the base shield member 65 are soldered.
  • Soldering may be performed by a worker using a soldering iron, or may be performed by known reflow soldering, and an arbitrary method can be selected as necessary.
  • the cover shield member 27 is screwed to the lower surface of the upper plate of the cover 15 with screws 29.
  • the cover 15 is assembled to the case 11 from above.
  • the case 11 and the cover 15 are assembled together by elastically engaging the lock portion 16 provided on the side wall of the case 11 and the lock receiving portion 17 provided on the side wall of the cover 15.
  • two fuses 26 are mounted on the fuse mounting portion 25 provided on the cover 15 from above.
  • the one fuse 26 is electrically connected to the first trunk side bus bar 56 and the first branch side bus bar 60
  • the other fuse 26 is electrically connected to the second trunk side bus bar 62 and the second branch side bus bar 63.
  • the branch box 10 which concerns on this embodiment is completed (refer FIG. 1).
  • the branch box 10 can be arranged in an arbitrary posture on the vehicle.
  • the connection structure between the trunk cable 12 and the branch cable 13 according to the present embodiment includes the trunk cable 12, the branch cable 13, and the relay conductive path 14.
  • the trunk cable 12 includes a power trunk conductor 30 and a signal trunk conductor 31, an insulating film 34 that covers the power trunk conductor 30, and an insulating film 34 and an insulating layer 36 that cover the signal trunk conductor 31.
  • the branch cable 13 includes a power branch conductor 37 and a signal branch conductor 38, an insulating film 41 covering the power branch conductor 37, and an insulating film 41 and an insulating layer 43 covering the signal branch conductor 38.
  • the power trunk conductor 30 and the power branch conductor 37 are electrically connected by the first trunk bus bar 56, the fuse 26, and the first branch bus bar 60, and the second trunk bus bar 62 and fuse 26. And the second branch side bus bar 63.
  • the signal trunk conductor 31 and the signal branch conductor 38 are electrically connected by a relay bus bar 64.
  • the power trunk conductor 30 has a power trunk land 45 exposed from the power trunk opening 44 provided in the insulating film 34, and the power branch conductor 37 is a power branch opening provided in the insulating film 41.
  • the first trunk-side bus bar 56 and the second trunk-side bus bar 62 have trunk-side terminal portions 57A and 57B connected to the power trunk land 45, respectively.
  • the first branch side bus bar 60 and the second branch side bus bar have branch side terminal portions 61A and 61B connected to the power branch land 51, respectively.
  • the signal trunk conductor 31 has a signal trunk land 48 exposed from the signal trunk opening 46 provided in the insulating film 34, the shield layer 35, and the insulating layer 36, and the signal branch conductor 38 is an insulating film. 34, the shield layer 35, and the signal branch land 54 exposed from the signal branch opening 52 provided in the insulating layer 36, and the relay bus bar 64 is connected to the signal main land 48. 57C and a branch side terminal portion 61C connected to the signal branch land 54.
  • the power main land provided on the power main conductor 30 and the main terminal portions 57A and 57B are connected, and the power branch land 51 provided on the power branch conductor 37 is connected.
  • the branch side terminal portions 61A and 61B are connected to the branch side terminal portions 61A and 61B.
  • the signal main land 48 provided on the signal main conductor 31 and the main terminal portion 57C are connected, and the signal branch land 54 provided on the signal branch conductor 38 and the branch side terminal portion are connected. 61C is connected.
  • the power trunk conductor 30 of the trunk cable 12 and the power branch conductor 37 of the branch cable 13 can be formed in a wider area than when a plurality of flexible flat cables are connected by piercing the conductor with a connecting member.
  • the signal trunk conductor 31 of the trunk cable 12 and the signal branch conductor 38 of the branch cable 13 can be electrically connected. As a result, the reliability of electrical connection between the trunk cable 12 and the branch cable 13 can be improved.
  • the signal bus conductor 31 of the trunk cable 12 and the signal branch conductor 38 of the branch cable 13 can be electrically connected by the relay bus bar 64.
  • the first backbone bus bar 56 having the trunk side terminal portion 57A, the fuse 26 connected to the fuse connection terminal portion 58A provided on the first trunk side bus bar 56, and the fuse 26 are connected.
  • the first branch-side bus bar 60 having the fuse connection terminal portion 58C and the branch-side terminal portion 61A the power trunk conductor 30 of the trunk cable 12 and the power branch conductor 37 of the branch cable 13 are fused. 26 can be electrically connected.
  • the second trunk side bus bar 62 having the trunk side terminal part 57B, the fuse 26 connected to the fuse connection terminal part 58B provided on the second trunk side bus bar 62, and the fuse connection terminal part to which the fuse 26 is connected.
  • the power branch conductor 30 of the trunk cable 12 and the power branch conductor 37 of the branch cable 13 are connected via the fuse 26 by the second branch-side bus bar 63 having 58D and the branch-side terminal portion 61B. Can be electrically connected.
  • the first trunk-side bus bar 56, the first branch-side bus bar 60, the second trunk-side bus bar 62, the second branch-side bus bar 63, and the relay bus bar 64 are insulating plates made of insulating synthetic resin. 71 is assembled.
  • the insulating plate 71 assembled with the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, and the relay bus bar 64 is connected to the trunk cable.
  • 12 and the branch cable 13 are placed at predetermined positions so that the main terminal portions 57A and 57B are placed on the power main land 45 and the signal main land 48, respectively, and the power branch land 51 is placed.
  • the branch side terminal portions 61A and 61B can be mounted on the signal branch land 54, respectively.
  • the connection structure between the trunk cable 12 and the branch cable 13 is electrically connected to the signal trunk conductor 31, the ground trunk conductor 32, and the ground trunk conductor 32 and the signal trunk conductor 31.
  • a cable comprising: a shield layer 35 that electromagnetically shields the signal core conductor 31 so as to surround the outer periphery of the signal core; and a signal core conductor 31, a ground core conductor 32, and an insulating layer 36 that covers the shield layer 35. 12, the signal branch conductor 38, the ground branch conductor 39, and the ground branch conductor 39, and the signal branch conductor 38 is electromagnetically surrounded by surrounding the outer periphery of the signal branch conductor 38.
  • a branch cable 13 including a shield layer 42 to be shielded, a signal branch conductor 38, a ground branch conductor 39, and an insulating layer 43 covering the shield layer 42;
  • a relay bus bar 64 having a trunk side terminal portion 57C connected to the main trunk conductor 31 and a branch side terminal portion 61C connected to the signal branch conductor 38;
  • a base shield member 65 and a cover shield member 27 that shield each other.
  • the relay bus bar 64 can be electromagnetically shielded by the base shield member 65 and the cover shield member 27. Thereby, the signal trunk conductor 31 of the trunk cable 12 and the signal branch conductor 38 of the branch cable 13 can be connected in an electromagnetically shielded state.
  • the base shield member 65 includes the trunk-side ground terminal portion 66 connected to the ground trunk conductor 32 and the branch-side ground terminal portion 70 connected to the ground branch conductor 39. Prepare. Thereby, the shielding performance with respect to the relay bus bar 64 can be improved.
  • the base shield member 65 is connected to the ground trunk conductor 32 and the ground branch conductor 39, and the relay bus bar 64 is disposed between the base shield member 65 and the cover shield member 27.
  • the relay bus bar 64 can be shielded.
  • the branch box 10 includes a case 11, a trunk cable 12 fixed to the case 11, a branch cable 13 fixed to the case 11 while being electrically connected to the trunk cable 12, and a case 11. And a cover 15 that covers the trunk cable 12 and the branch cable 13.
  • the main cable 12 includes a power main conductor 30 and an insulating film 34 that covers the power main conductor 30, and the branch cable 13 includes a power branch conductor 37 and an insulating film 41 that covers the power branch conductor 37,
  • the power main land 45 exposed from the power main opening 44 provided in the insulating film 34 of the power main conductor 30 and the power branch opening 50 provided in the insulating film 41 of the power branch conductor 37.
  • the relay conductive path 14 (the first trunk side bus bar 56, the second trunk side bus bar 62, the fuse 26, the first branch side bus bar 60, and the second branch side bus bar 63) is electrically connected to the power branch land 51 exposed from Connected.
  • the trunk cable 12 includes a signal trunk conductor 31, and an insulating film 34 and an insulating layer 36 that cover the signal trunk conductor 31.
  • the branch cable 13 includes a signal branch conductor 38 and a signal branch conductor 38. And an insulating film 41 and an insulating layer 43 to be covered.
  • the signal main land 31 exposed from the signal main opening 46 provided in the insulating film 34 and the insulating layer 36 in the signal main conductor 31 and the insulating film 41 and the insulating layer 43 in the signal branch conductor 38 are provided.
  • the relay conductive path 14 (relay bus bar 64) is electrically connected to the signal branch land 54 exposed from the signal branch opening 52.
  • the trunk cable 12 and the branch cable 13 are fixed to the case 11 so that the trunk cable 12 and the branch cable 13 are positioned. 13 can be electrically connected.
  • the case 11 includes the branch cable 13 between the bottom wall 11A and the left and right holding parts 20A and 20B that hold the backbone cable 12 between the bottom wall 11A and the bottom wall 11A.
  • a branch clamping unit 20C is
  • the trunk cable 12 can be fixed to the case 11 by the left holding part 20A and the right holding part 20B, and the branch cable 13 can be fixed by the branch holding part 20C.
  • the case 11 has the positioning pins 18A and 18B protruding from the bottom wall 11A, the positioning hole 19A is formed through the trunk cable 12, and the positioning hole 19B is formed in the branch cable 13. It is formed through.
  • the basic cable 12 and the branch cable can be securely fixed to the case 11.
  • a main work hole 82 extending in the front-rear direction penetrates vertically in a region located slightly on the left side of the portion extending in the left-right direction.
  • the main work hole 82 has a rectangular shape when viewed from above.
  • a hole edge portion of the basic work hole 82 is a frame portion 83 that protrudes slightly upward from the upper wall of the cover 81.
  • a sub-cover engagement receiving portion 85 that engages a sub-cover engagement claw 84 described later is formed at the front end of the frame portion 83 so as to bulge forward.
  • a trunk sub-cover 86 extending rearward via a hinge 87 is formed integrally with the cover 81 at the rear end of the trunk working hole 82.
  • the main sub-cover 86 has a shape that is elongated in the front-rear direction, and is formed to be the same as or slightly larger than the main work hole 82 so that the main work hole 82 can be closed (FIG. 18). reference).
  • An elastically deformable sub-cover locking claw 84 is provided at the rear end of the main sub-cover 86.
  • the backbone sub-cover 86 is configured to rotate around the hinge 87 when the hinge 87 is deformed, thereby closing the backbone work hole 82. At this time, the sub-cover locking claw 84 is elastically locked to the sub-cover locking receiving portion 85 so that the basic sub-cover 86 is held in a state where the basic work hole 82 is closed.
  • a branching work hole 88 extending in the left-right direction vertically penetrates a portion of the upper wall of the cover 81 protruding forward and in front of the fuse mounting portion 25. .
  • the branching work hole 88 has a rectangular shape when viewed from above.
  • a hole edge portion of the branching work hole 88 is a frame portion 83 that protrudes slightly upward from the upper wall of the cover 81.
  • a sub-cover engagement receiving portion 85 that engages with the sub-cover engagement claw 84 is formed to bulge forward.
  • a branch sub-cover 90 extending rightward via a hinge 87 is formed integrally with the cover 81 at the right end of the branch work hole 88.
  • the branch sub-cover 90 has an elongated shape in the left-right direction, and is formed to be the same as or slightly larger than the branch work hole 88, so that the branch work hole 88 can be closed (FIG. 18). reference).
  • a sub-cover locking claw 84 that can be elastically deformed is provided at the right end of the branch sub-cover 90.
  • the branch sub-cover 90 is rotated around the hinge 87 when the hinge 87 is deformed, and closes the branch work hole 88.
  • the sub cover locking claw 84 is elastically locked to the sub cover locking receiving portion 85, whereby the branch sub cover 90 is held in a state where the branch work hole 88 is closed.
  • first trunk side bus bar 56 As shown in FIG. 22, on the lower surface of the upper wall of the cover 81, there are a first trunk side bus bar 56, a first branch side bus bar 60, a second trunk side bus bar 62, a second branch side bus bar 63, and a relay bus bar 64.
  • a routing portion 91 to be routed is formed so as to protrude downward.
  • a plurality of ribs 92 projecting downward are formed on the lower surface of the routing portion 91.
  • the routing portion 91 and the first trunk-side bus bar 56, the first branch-side bus bar 60, the second trunk-side bus bar 62, the second branch-side bus bar 63, and the relay bus bar 64 are well-known such as adhesion and heat welding. It is fixed by the method.
  • a mounting recess 94 in which the cover shield member 93 is mounted is formed in the routing portion 91 so as to be depressed upward.
  • the mounting recess 94 is formed to be larger than the outer shape of the cover shield member 93 and is formed so as to accommodate the cover shield member 93.
  • the cover shield member 93 is screwed to the cover 81 with screws 29.
  • the cover side connection piece 95 which protrudes below is provided in the lower end part of the side wall of the cover shield member 93.
  • the cover side connection piece 95 has a rectangular shape when viewed from the side.
  • an insulating plate 96 made of an insulating synthetic resin is assembled to the routing portion 91 from below.
  • a locking portion 97 that protrudes outward is provided on the side surface of the routing portion 91 (see FIG. 20).
  • a punching hole 98 for injection molding the lock portion 97 is formed at a position corresponding to the lock portion 97.
  • a lock receiving portion 99 having a gate shape that elastically engages with the lock portion 97 is formed to protrude upward at a position corresponding to the lock portion 97.
  • the insulating plate 96 is attached to the routing portion 91 by the lock receiving portion 99 being elastically locked to the lock portion 97.
  • the first trunk-side bus bar 56, the first branch-side bus bar 60, the second trunk-side bus bar 62, the second branch-side bus bar 63, and the relay bus bar 64 are located between the routing portion 91 and the insulating plate 96. It is to be pinched.
  • Base shield member 100 As shown in FIG. 24, a base shield member 100 is disposed on the lower surface of the insulating plate 96.
  • the base shield member 100 has an L shape when viewed from above.
  • the relay bus bar 64 and the base shield member 100 are vertically moved when viewed from above. It is arranged to overlap.
  • the outer shape of the base shield member 100 is set to be slightly larger than the layout space of the relay bus bar 64. Thereby, the base shield member 100 can suppress noise from entering the relay bus bar 64 from below.
  • a base side connection piece 101 that hangs downward is formed at a position corresponding to the cover side connection piece 95 formed on the cover shield member 93.
  • the base-side connecting piece 101 has a rectangular shape when viewed from the side.
  • the base-side connection piece 101 and the cover-side connection piece 95 provided on the cover 81 are formed in substantially the same size.
  • the cover-side connecting piece 95 and the base-side connecting piece 101 come into contact with the cover 81 in a state where the cover shield member 93 and the base shield member 100 are assembled. Thereby, the cover shield member 93 and the base shield member 100 are electrically connected.
  • Core work hole 82 and branch work hole 89 As shown in FIG. 20, when the cover 15 with the trunk sub cover 86 and the branch sub cover 90 opened is attached to the case 11 in which the trunk cable 12 and the branch cable 13 are fixed at predetermined positions, From the hole 82, the power main opening 44, the power main land 45, the main terminal 57A of the first main bus bar 56, the main terminal 57B of the second main bus bar 62, and the signal main opening 46 are provided. The signal main land 48, the main terminal portion 57C of the relay bus bar 64, the ground main opening 47, the ground main land 49, and the main ground terminal portion 66 of the base shield member 100 are exposed. .
  • a jig such as a soldering iron is inserted into the cover 81 from the basic work hole 82, and the power basic land 45, the first basic bus bar 56, and the second basic bus bar.
  • 62 is connected to the main terminal portions 57A and 57B
  • the signal main land 48 is connected to the main terminal portion 57C of the relay bus bar 64.
  • the ground main land 49 is connected to Connection work with the main-side ground terminal portion 66 of the base shield member 100 can be performed.
  • the branch opening 52, the signal branch land 54, the branch side terminal 61C of the relay bus bar 64, the ground branch opening 53, the ground branch land 55, and the branch side ground terminal 70 of the base shield member 100 are exposed. It has become. Accordingly, a jig such as a soldering iron is inserted into the cover 81 from the branch work hole 88, and the power branch land 51, the branch side terminals of the first branch side bus bar 60 and the second branch side bus bar 63. The connection work between the signal branch land 54 and the branch-side terminal part 61C of the relay bus bar 64 is performed. Further, the ground branch land 55 and the base shield member 100 are connected. Connection work with the branch side ground terminal portion 70 can be performed.
  • Example of Manufacturing Process of the Present Embodiment Subsequently, an example of a manufacturing process of the branch box 80 according to the present embodiment will be described.
  • the manufacturing process of the branch box 80 is not limited to the following description. The description of the steps overlapping with the manufacturing steps of the branch box 80 according to Embodiment 1 is omitted.
  • the basic cable 12 is placed and fixed at a predetermined position of the case 11.
  • the branch cable 13 is placed and fixed at a predetermined position of the case 11.
  • a solder paste is applied to the upper surfaces of the power main land 45, the signal main land 48, the ground main land 49, the power branch land 51, the signal branch land 54, and the ground branch land 55, such as screen printing. Apply by technique.
  • a cover shield member 93 is assembled from below into a mounting recess 94 of the routing portion 91 formed on the lower surface of the upper wall of the cover 81, and the cover shield member 93 is attached to the cover 81 with screws 29. Screw on.
  • the first trunk-side bus bar 56, the first branch-side bus bar 60, the second trunk-side bus bar 62, the second branch-side bus bar 63, and the relay bus bar 64 are assembled to the routing section 91 from below. , Fixing by a known method such as adhesion or heat welding.
  • the insulating plate 96 is assembled to the routing unit 91 from below.
  • the lock receiving portion 99 of the insulating plate 96 is elastically locked to the lock portion 97 of the routing portion 91 so that the first trunk side bus bar 56 and the first branch side bus bar are connected by the routing portion 91 and the insulating plate 96.
  • 60, the second trunk side bus bar 62, the second branch side bus bar 63, and the relay bus bar 64 are sandwiched.
  • the base shield member 100 is assembled to the insulating plate 96 from below and fixed by a known method such as adhesion or heat welding. At this time, the cover shield member 93 and the base shield member 100 are electrically connected by bringing the cover side connection piece 95 of the cover shield member 93 into contact with the base side connection piece 101 of the base shield member 100.
  • the two fuses 26 are mounted on the fuse mounting portion 25 provided on the cover 81 from above. By sandwiching the lead of the fuse 26 between the fuse connection terminal portions 58A, 58B, 58C, 58D, the one fuse 26 is electrically connected to the first trunk side bus bar 56 and the first branch side bus bar 60, The other fuse 26 is electrically connected to the second trunk side bus bar 62 and the second branch side bus bar 63.
  • the cover 81 is assembled to the case 11 from above.
  • the case 11 and the cover 81 are assembled together by elastically engaging the lock portion 16 provided on the side wall of the case 11 and the lock receiving portion 17 provided on the side wall of the cover 81.
  • a jig such as a soldering iron is inserted into the cover 81 from the core work hole 82, and the power main land 45, the main terminal portions of the first main bus bar 56 and the second main bus bar 62.
  • 57A and 57B are connected, the signal main land 48 is connected to the main terminal portion 57C of the relay bus bar 64, and the ground main land 49 and the base shield member 100 are also connected. Connection work is performed with the side ground terminal portion 66 (see FIG. 20).
  • a jig such as a soldering iron is inserted into the cover 81 from the branch work hole 88, and the power branch land 51 is connected to the branch side terminal portions 61A and 61B of the first branch bus bar 63 and the second branch bus bar 63.
  • the signal branch land 54 and the branch side terminal portion 61C of the relay bus bar 64 are connected, and the ground branch land 55, the branch side ground terminal portion 70 of the base shield member 100, (See FIG. 20).
  • the basic sub-cover 86 is rotated about the hinge 21, and the sub-cover locking claw 84 and the sub-cover locking receiving portion 85 are elastically locked, so that the basic work hole 82 is formed by the basic sub-cover 86. Block it. Similarly, the branch work hole 88 is closed by the branch sub-cover 90. Thereby, the branch box 80 which concerns on this embodiment is completed (refer FIG. 18).
  • the cover 81 opens at a position corresponding to the main land, has the main work hole 82 where the power main land 45 and the signal main land 48 face, and opens at a position corresponding to the branch land. And a branch work hole 88 facing the power branch land 51 and the signal branch land 54.
  • the cover 81 is provided with a basic sub-cover 86 for closing the basic work hole 82, and the branch work hole.
  • a branch sub-cover 90 that closes 88 is attached.
  • a jig is inserted from the main work hole 82, and the power main land 45, the first main bus bar 56, and the second main bus bar 62.
  • the power branch land 51 is connected to the branch side terminal portions 61A and 61B of the first branch side bus bar 60 and the second branch side bus bar 63, and the signal branch land 54 and the relay bus bar 64 are connected to each other. Connection work with the branch side terminal portion 61C can be performed.
  • the main work hole 82 is closed with the main sub-cover 86 and the branch work hole 88 is closed with the branch sub-cover 90, whereby foreign matter such as dust can be prevented from entering the case 11. Thereby, workability
  • the base shield member 100 and the cover shield member 93 are electrically connected.
  • the ground core conductor 32, the ground branch conductor 39, the base shield member 100, and the cover shield member 93 can be electrically connected, so that the relay bus bar 64 can be reliably shielded. it can.
  • the insulating plate 110 is made of an insulating synthetic resin and has a substantially rectangular shape when viewed from above.
  • the insulating plate 110 includes an insulating plate side first slit 74 bent in an L shape when viewed from above, and an insulating plate side extending in the front-rear direction when viewed from above at the left side of the insulating plate side first slit 74.
  • a second slit 75 is provided.
  • the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, and the relay bus bar 64 are arranged on the upper surface of the insulating plate 110.
  • a plurality of ribs 72 projecting upward are formed on the upper surface of the insulating plate 110.
  • a cover shield member 111 is arranged on the upper surface of the insulating plate 110.
  • the cover shield member 111 has an upper wall, a first side wall 112 and a second side wall 113 extending downward from the side edge of the upper wall.
  • the first side wall 112 is bent in an L shape when viewed from above.
  • the first side wall 112 has a shape corresponding to the insulating plate side first slit 74 described above, and the lower end portion of the first side wall 112 is inserted into the insulating plate side first slit 74 from above. ing.
  • the second side wall 113 is formed to extend in the front-rear direction when viewed from above.
  • the second side wall 113 has a shape corresponding to the insulating plate side second slit 75 described above, and the lower end portion of the second side wall 113 is inserted into the insulating plate side second slit 75 from above. ing.
  • a cover-side connection piece 115 protruding downward is provided on the lower end edge of the first side wall 112 and the second side wall 113 of the cover shield member 111.
  • the cover-side connecting piece 115 has a substantially rectangular shape when viewed from the side.
  • a plurality of legs 73 projecting downward are formed on the lower surface of the insulating plate 110. With the legs 73, the insulating plate 110 is arranged on the bottom wall 11 ⁇ / b> A of the case 11 while being spaced from the bottom wall 11 ⁇ / b> A.
  • a base shield member 114 is disposed on the lower surface of the insulating plate 110.
  • the base shield member 114 has an L shape when viewed from above.
  • the relay bus bar 64 and the base shield member 114 are vertically moved when viewed from above. It is arranged to overlap.
  • the outer shape of the base shield member 114 is set to be slightly larger than the routing space of the relay bus bar 64. Thereby, the base shield member 114 can suppress the noise from entering the relay bus bar 64 from below.
  • a base side connection piece 116 that hangs downward is formed at a position corresponding to the cover side connection piece 115 formed on the cover shield member 111.
  • the base side connection piece 116 has a rectangular shape when viewed from the side.
  • the base-side connection piece 116 and the cover-side connection piece 115 provided on the cover 81 are formed in substantially the same size.
  • the cover side connecting piece 115 and the base side connecting piece 116 come into contact with the cover 81 in a state where the cover shield member 111 and the base shield member 114 are assembled. ing. Thereby, the cover shield member 111 and the base shield member 114 are electrically connected.
  • the insulating plate 110, the first trunk side bus bar 56, the first branch side bus bar 60, the second trunk side bus bar 62, the second branch side bus bar 63, the relay bus bar 64, and the base shield member 114 are bonded, heated It is fixed by a known method such as welding.
  • an insulating cover 117 made of an insulating synthetic resin is disposed between the relay bus bar 64 and the cover shield member 111.
  • the insulating cover 117 is L-shaped when viewed from above (see FIG. 27).
  • the front end portion of the insulating cover 117 is a protruding portion 118A that protrudes forward from the front end portion of the cover shield member 111.
  • the left end portion of the insulating cover 117 is a protruding portion 118 ⁇ / b> B that protrudes leftward from the left end portion of the cover shield member 111.
  • the projecting portions 118A and 118B are formed to have a wider width than other portions of the insulating portion.
  • Legs 119 extending downward are formed from the side edges of the protrusions 118A and 118B. When the leg portions 119 abut against the insulating plate 110 from above, a space in which the relay bus bar 64 can be routed is formed between the insulating cover 117 and the insulating plate 110.
  • the insulating cover 117 made of an insulating synthetic resin is interposed between the relay bus bar 64 and the cover shield member 111.
  • the base side connection piece 131 includes a base portion 132 that protrudes downward, and a pair of elastic contact pieces that extend laterally from both side edges of the base portion 132. 133.
  • the elastic contact piece 133 has a shape folded toward the base portion 132.
  • the cover side connection piece 115 of the cover shield member 111 is inserted from above into a space surrounded by the base portion 132 and the pair of folded elastic contact pieces 133.
  • the cover-side connection piece 115 is reliably pressed against the base-side connection piece 131 by being pressed against the base portion 132 by the elastic force of the elastic contact piece 133 provided on the base-side connection piece 131. Can touch.
  • the electrical connection reliability between the cover shield member 111 and the base shield member 130 can be improved.
  • the shielding performance for the relay bus bar 64 can be improved.
  • the cover shield member 140 has one branch-side ground terminal portion 141 that extends forward from the front end portion and bends in a crank shape downward.
  • the branch side ground terminal portion 141 is electrically connected to the ground branch land 55 of the branch cable 13.
  • the base shield member 143 there is one basic ground terminal 142 that extends to the left and bends downward in a crank shape.
  • the trunk side ground terminal portion 142 is electrically connected to the ground trunk land 49 of the trunk cable 12.
  • the base shield member 143 is connected to the ground main land 49 and the cover shield member 140 is connected to the ground branch land 55. Furthermore, the base side connection piece 131 of the base shield member 143 and the cover side connection piece 115 of the cover shield member 140 are electrically connected by the elastic force of the elastic contact piece 133 formed on the base side connection piece 131. The Thereby, the shielding performance of the base shield member 130 and the cover shield member 140 can be further improved.
  • the base shield member 151 is integrally formed by insert molding with an insulating synthetic resin.
  • the molded synthetic resin serves as the insulating portion 152.
  • the insulating part 152 has a generally rectangular parallelepiped shape that is flat in the vertical direction.
  • a leg portion 153 extending downward is formed on the lower surface of the insulating portion 152.
  • portions of the first trunk side bus bar 56 and the second trunk side bus bar 62 that are different from the trunk side terminal portions 57A and 57B and the fuse connection terminal portions 58A and 58B are embedded in the insulating portion 152.
  • the first trunk side buried portion 154A and the second trunk side buried portion 154B are formed.
  • the first branch side bus bar 60 and the second branch side bus bar 63 are different from the branch side terminal portions 61A and 61B and the fuse connection terminal portions 58C and 58D in the first branch embedded in the insulating portion 152.
  • a side buried portion (not shown) and a second branch side buried portion (not shown) are used.
  • a portion of the relay bus bar 64 that is different from the trunk side terminal portion 57 ⁇ / b> C and the branch side terminal portion 61 ⁇ / b> C is an embedded portion 155 embedded in the insulating portion 152.
  • the base shield member 151 is disposed at a position below the relay bus bar 64 with a synthetic resin interposed. At the front end portion of the base shield member 151, a branch side ground terminal portion 70 is formed in a shape bent downward in a crank shape. The rear end portion of the base shield member 151 extends slightly rearward from the position where the relay bus bar 64 is disposed, and is bent upward at a right angle inside the synthetic resin material. A portion bent upward at the rear end portion of the base shield member 151 is disposed at a position slightly spaced from the cover shield member 150 in the front-rear direction. A portion of the base shield member 151 that is different from the branch side ground terminal portion 70 is embedded in the insulating portion 152.
  • the cover shield member 150 is disposed at a position above the relay bus bar 64 with a synthetic resin interposed therebetween.
  • the left end portion of the cover shield member 150 is a trunk side ground terminal portion 66 formed in a shape bent downward in a crank shape.
  • a portion of the cover shield member 150 that is different from the trunk side ground terminal portion 66 is embedded in a synthetic resin.
  • portions of the first trunk-side bus bar 56 and the second trunk-side bus bar 62 that are different from the trunk-side terminal portion 57 and the fuse connection terminal portions 58A and 58B are the insulating portions 152 made of synthetic resin.
  • the first trunk side buried part 154A and the second trunk side buried part 154B buried in The first branch side bus bar 60 and the second branch side bus bar 63 are different from the branch side terminal portions 61A and 61B and the fuse connection terminal portions 58C and 58D in the first branch embedded in the insulating portion 152.
  • the side buried portion and the second branch side buried portion are used.
  • a portion of the relay bus bar 64 that is different from the trunk side terminal portion 57 ⁇ / b> C and the branch side terminal portion 61 ⁇ / b> C is an embedded portion 155 embedded in the insulating portion.
  • the first trunk side bus bar 56, the second trunk side bus bar 62, the first branch side bus bar 60, the second branch side bus bar 63, and the relay bus bar 64 are securely connected by the insulating synthetic resin. It can be electrically isolated.
  • the case 11 may be provided with a plurality of trunk cables 12 and may be provided with a plurality of branch cables 13.
  • a fuse may be provided on the signal line.
  • the power line may be electromagnetically shielded by being surrounded by the shield member.
  • the case 11 and the cover 15 may be integrated by a hinge.
  • the cover 15, the main sub-cover 86, and the branch sub-cover 90 may be separate parts. Further, the cover 15, the main sub-cover 86, and the branch sub-cover 90 are separate parts, and the main sub-cover 86 and the branch sub-cover 90 are separated by the shaft portion provided on one side and the bearing portion provided on the other side. The structure hold
  • the left clamping unit 20A, the right clamping unit 20B, and the branch clamping unit 20C may be omitted.
  • the number of power conductive paths provided in the trunk cable 12 and the branch cable 13 may be one, two, or four or more.
  • the number of signal conductive paths provided in the trunk cable 12 and the branch cable 13 may be one, or three or more.
  • the number of ground conductive paths provided in the trunk cable 12 and the branch cable 13 may be one, or three or more.
  • One backbone cable 12 may be connected to a plurality of branch cables 13.
  • Branch box 11 Case 12: Main cable 13: Branch cable 14: Relay conductive path 15, 81: Cover 18A, 18B: Positioning pin 19A, 19B: Positioning hole 20A: Left side clamping part 20B: Right side clamping part 20C : Branch clamping portion 26: Fuse 27: Cover shield member 30: Power core conductor 31: Signal core conductor 32: Ground core conductor 34 and 41: Insulating film 36 and 43: Insulating layer 39: Ground branch conductor 44: Power basic opening 45: Power basic land 46: Signal basic opening 48: Signal basic land 50: Power branch opening 51: Power branch land 52: Signal branch opening 54: Signal branch land 56: 1st trunk side bus bar 57A, 57B, 57C: Fundamental side terminal part 60: 1st branch side bus bar 61A, 6 B, 61C: Branch side terminal portion 62: Second backbone side bus bar 63: Second branch side bus bar 64: Relay bus bar 65: Base shield member 66: Base side ground terminal portion 70: Branch side ground terminal portion 71, 110: Insul

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

L'invention concerne une boîte de dérivation 10 qui comprend un boîtier 11, un câble de jonction 12 qui est fixé au boîtier 11, un câble de dérivation 13 qui est fixé au boîtier, un couvercle 15 qui est monté sur le boîtier 11 et qui recouvre le câble de jonction 12 et le câble de dérivation 13, et un trajet conducteur de relais 14 qui connecte électriquement le câble de jonction 12 et le câble de dérivation 13.
PCT/JP2018/032057 2018-03-22 2018-08-30 Boîte de dérivation WO2019180995A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-054519 2018-03-22
JP2018054519 2018-03-22

Publications (1)

Publication Number Publication Date
WO2019180995A1 true WO2019180995A1 (fr) 2019-09-26

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PCT/JP2018/032057 WO2019180995A1 (fr) 2018-03-22 2018-08-30 Boîte de dérivation

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WO (1) WO2019180995A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220368085A1 (en) * 2019-10-21 2022-11-17 Auto-Kabel Management Gmbh Housing, in particular conductor housing, system and method for manufacturing such a system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10302853A (ja) * 1997-04-23 1998-11-13 Nichifu Co Ltd コネクタ
JP2001196117A (ja) * 2000-01-13 2001-07-19 Furukawa Electric Co Ltd:The フラットケーブル用コネクタ
JP2006339126A (ja) * 2005-06-06 2006-12-14 Jst Mfg Co Ltd フレキシブルフラットケーブルの接続構造および接続方法
JP2009212018A (ja) * 2008-03-06 2009-09-17 Sumitomo Wiring Syst Ltd 多層ｆｆｃの接続構造

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10302853A (ja) * 1997-04-23 1998-11-13 Nichifu Co Ltd コネクタ
JP2001196117A (ja) * 2000-01-13 2001-07-19 Furukawa Electric Co Ltd:The フラットケーブル用コネクタ
JP2006339126A (ja) * 2005-06-06 2006-12-14 Jst Mfg Co Ltd フレキシブルフラットケーブルの接続構造および接続方法
JP2009212018A (ja) * 2008-03-06 2009-09-17 Sumitomo Wiring Syst Ltd 多層ｆｆｃの接続構造

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220368085A1 (en) * 2019-10-21 2022-11-17 Auto-Kabel Management Gmbh Housing, in particular conductor housing, system and method for manufacturing such a system

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