JP6830348B2 - Branch structure - Google Patents

Description

The present invention relates to a branched structure.

For example, an electric wire that sends power from an in-vehicle battery to various parts of a vehicle body is often passed through a junction box (J / B) once and then taken (branched) from the junction box to various parts of the vehicle body.

For example, there is a flat cable branching structure of Patent Document 1 that easily branches such an electric wire. The branch structure of this flat cable connects a flat cable main body having a plurality of first conductors arranged in a stripe shape and a flat cable branch body having one or a plurality of second conductors arranged in a stripe shape. Then, the plurality of first conductors and the above one or a plurality of second conductors are made conductive in any combination. In the branch structure of this flat cable, the first conductor and the second conductor are arranged in a directly superposed state or in a superposed state with a third conductor bridged between the first conductor and the second conductor. , One of the pair of conductors to be superposed has a convex portion protruding in the opposite direction, and solder is filled between the convex portion of the one conductor and the other conductor.

JP-A-2015-149204

By the way, when power is sent to various places through the J / B once from the in-vehicle battery, there is a problem that the wire length becomes long. In addition, since the number of extra electric wires increases, there is a problem that the weight increases and the cost increases.
In the branch structure of the flat cable of Patent Document 1, in the connection between the flat cable branch and the flat cable branch, the first conductor and the second conductor are arranged in a superposed state, and one of the pair of superposed conductors is arranged. Since it has a convex portion protruding in the opposite direction and the solder is filled between the convex portion and the other conductor, it is necessary to secure a space for arranging the convex portion and the solder in the opposite direction, which saves space. Is at a disadvantage.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a branching structure capable of branching a wiring material composed of a plurality of conductors in a desired direction in a space-saving manner.

The above object according to the present invention is achieved by the following configuration.
(1) A branched structure for connecting a plurality of wiring materials composed of a plurality of conductors, the plurality of flat plate portions made of a rectangular flat plate-shaped conductive material in a plan view, and the laminated flat plate portions. A plurality of groups of connecting portions composed of a plurality of connecting pieces that project side by side from the outer peripheral edge of each flat plate portion so as not to overlap in the stacking direction and are connected corresponding to the plurality of conductors, and the plurality of flat plate portions. An insulating layer provided between the two plates to electrically insulate between the flat plates is provided , and the insulating layer is formed by powder coating on at least one of the front surface and the back surface of the flat plate portion excluding the connection piece. A branching structure characterized by being

According to the branching structure having the configuration of (1) above, a wiring material composed of a plurality of conductors can be branched in a desired direction by connecting the conductors. In the branched structure of this configuration, flat plate portions made of flat plate-shaped conductive materials are laminated by the number of a plurality of conductors in the wiring material. On the outer peripheral edge of the plurality of flat plates in which each flat plate is electrically insulated by an insulating layer, a plurality of groups of connecting portions composed of the same number of connecting pieces as the conductors of the wiring material are directed in a desired branching direction. Is thrust. When looking at one of the plurality of conductors provided in the wiring material, at least three connecting pieces are provided on the outer peripheral edge of one flat plate portion in order to branch the conductor. Then, when branching the wiring material, for example, each connecting portion is connected between the front side wiring material and the rear side wiring material of the wiring material. The wiring material connected to each connection portion is branched into a branching wiring material between the front side wiring material and the rear side wiring material via a flat plate portion. As described above, in the branched structure of this configuration, the laminated conductive member is formed by laminating a plurality of flat plate portions having the connecting pieces protruding from the outer peripheral edge in a desired connection direction via the insulating layer. .. When branching a wiring material having a plurality of conductors, only the sum of the total thickness of the flat plate portion equal to the number of conductors and the total thickness of the insulating layers provided between them is the thickness in the stacking direction, and the stacking conductivity is obtained. The member can be formed thinly. Further, the noise resistance of the laminated conductive member is improved by laminating a plurality of flat plate portions connecting the conductors of the plurality of wiring materials.

Further, according to the branched structure having the configuration of (1) above, the insulating layer by powder coating is formed in advance on at least one of the front surface and the back surface of the flat plate portion, so that the insulating layer is thinly formed and laminated. The space between the flat plates can be reduced, and the assembly work when laminating a plurality of flat plates can be facilitated.

(2) branch box (1) laminating a conductive member having a branched structure according to, characterized in that it is accommodated in the insulative housing case.

According to the branch box having the configuration of ( 2 ) above, since the laminated conductive member is housed in the storage case, the handleability when attaching the wiring material (electric wire) of the vehicle or the like to the branching portion is improved.

According to the branching structure according to the present invention, a wiring material composed of a plurality of conductors can be branched in a desired direction in a space-saving manner.

The present invention has been briefly described above. Further, the details of the present invention will be further clarified by reading through the embodiments for carrying out the invention described below (hereinafter, referred to as "embodiments") with reference to the accompanying drawings. ..

FIG. 5 is an external perspective view of a branch box in which a laminated conductive member having a branch structure according to an embodiment of the present invention is housed. It is an overall perspective view of the laminated conductive member housed in the branch box of FIG. It is an exploded perspective view of the branch box shown in FIG. It is a process drawing which showed the procedure of the electrostatic coating method. It is a process drawing which showed the procedure of the flow immersion method. It is a perspective view of the wiring material connected to the laminated conductive member shown in FIG. FIG. 6 is a cross-sectional view taken along the line VII-VII of the wiring material shown in FIG. It is a front view of the left end part in the wiring material shown in FIG. It is a perspective view which shows the wiring example in the vehicle which used a plurality of kinds of wiring materials. (A) to (c) are perspective views showing the front side wiring material, the rear side wiring material, and the branching line material shown in FIG. It is a schematic diagram which shows the wiring example of the electric wire in the vehicle using the junction box. It is a schematic diagram which shows the wiring example in the vehicle which used the branch box shown in FIG. 1 and a plurality of kinds of wiring materials. It is explanatory drawing which shows another example of a power distribution direction. It is the main part perspective view of the wiring material using the round conductor which can be connected to the branch box shown in FIG.

Hereinafter, embodiments according to the present invention will be described with reference to the drawings.
FIG. 1 is an external perspective view of a branch box 11 containing a laminated conductive member 13 having a branched structure according to an embodiment of the present invention, and FIG. 2 is a laminated conductive member housed in the branched box 11 of FIG. 13 is an overall perspective view of 13.
The branch structure according to the present embodiment is applied to the laminated conductive member 13 housed in the branch box 11. The branching structure according to the present embodiment connects a plurality of wiring materials to be described later, which are composed of a plurality of conductors. For example, the branching structure of the present embodiment can optimally branch the electric power supplied from the in-vehicle battery to the devices 109 in various parts of the vehicle.

The branch box 11 is an insulating storage case that houses the laminated conductive member 13 having the branch structure according to the present embodiment. The branch box 11 has a storage box 15 and a lid case 17, and the storage box 15 and the lid case 17 cover the laminated conductive member 13. The branch box 11 is formed of a flat, substantially hexahedron. A total of four connection openings 19 are formed on each side of the branch box 11 so as to project from each side. Each connection opening 19 has a plurality of (four in the illustrated example) connection ports 21. First to fourth connection pieces 35, 37, 39, 41, which will be described later, are arranged in each connection port 21. The flat conductors 87A to 87D of the wiring material 85, which will be described later, are connected to the connection pieces arranged at the connection ports 21.

As shown in FIG. 2, the laminated conductive member 13 housed in the branch box 11 is formed by laminating flat plate portions 23A to 23D made of a plurality of flat plate-shaped conductive materials. The number of flat plate portions 23A to 23D to be laminated is the number of flat conductors 87A to 87D of the connecting cording material 85. In the present embodiment, since the number of flat conductors 87A to 87D of the wiring material 85, which will be described later, is four, the number of flat plate portions 23A to 23D is four.

In the present embodiment, the square flat plate portions 23A to 23D in a plan view project horizontally and horizontally from the outer peripheral edge 25 of the laminated flat plate portions 23A to 23D so as not to overlap in the stacking direction. It has connecting pieces 35, 37, 39, 41. The first to fourth connecting pieces 35, 37, 39, 41 are connected corresponding to the flat conductors 87A to 87D of the wiring material 85, respectively. The first to fourth connection pieces 35, 37, 39, 41 form a plurality of groups of connection portions. In the laminated conductive member 13 of the illustrated example, the connecting portion 27 of the first group, the connecting portion 29 of the second group, the connecting portion 31 of the third group, and the connecting portion 33 of the fourth group are provided on each side side portion. A total of 4 groups of connecting parts are provided. The first to fourth connection pieces 35, 37, 39, 41 are arranged in the connection portions 27, 29, 31, 33 of the first group to the fourth group, respectively. Each connection piece is provided with a bolt fixing hole 43 for connecting the flat conductors 87A to 87D of the wiring material 85 by bolting.

FIG. 3 is an exploded perspective view of the branch box 11 shown in FIG.
In the present embodiment, the flat plate portions 23A to 23D on which the first to fourth connecting pieces 35, 37, 39, and 41 are projected are formed of two types of flat plate-shaped members 45, 47, respectively. In the laminated conductive member 13, the front surface of the flat plate-shaped member 45 faces upward in the first layer of the lower upper layer, the front surface of the flat plate-shaped member 47 faces upward in the second layer, and the back surface of the flat plate-shaped member 47 faces upward in the third layer. The flat plate-shaped member 45 is laminated on the four layers with the back side facing upward. As a result, as shown in FIG. 2, the first to fourth connection pieces 35, 37, 39, 41 are respectively attached to the connection portions 27, 29, 31, 33 of the first group to the fourth group, respectively. It is in a state of protruding side by side from the outer peripheral edge 25 of the flat plate portions 23A to 23D so as not to overlap in the stacking direction.

Stud bolts 49 are planted at the bottom of each connection port 21 in the connection opening 19 of the storage box 15. The stud bolt 49 is inserted into the bolt fixing holes 43 of the first to fourth connecting pieces 35, 37, 39, 41, respectively. A fixing nut 51 is screwed into the stud bolt 49 penetrating the bolt fixing hole 43. As a result, the flat conductors 87A to 87D in which the bolt fixing holes 43 are bored can be fastened to the first to fourth connecting pieces 35, 37, 39, 41, respectively. At the same time, the stud bolt 49 also has a role of fixing the laminated conductive member 13 to the accommodating box 15. In this way, most of the laminated conductive member 13 fixed to the storage box 15 is housed in the branch box 11 by fixing the lid case 17 to the storage box 15 by the case fixing screw 53. Will be. The first to fourth connecting pieces 35, 37, 39, 41 may be connected to the flat conductors 87A to 87D by welding or soldering, respectively.

The laminated conductive member 13 has an insulating layer 55 between a plurality of flat plate portions 23A to 23D that electrically insulates between the flat plate portions. The insulating layer 55 can be formed, for example, by powder coating on at least one of the front surface and the back surface of each of the flat plate portions 23A to 23D. In the present embodiment, the insulating layer 55 is formed on the front and back surfaces of the flat plate portions 23A to 23D. There are mainly two types of powder coating, "electrostatic coating (spray coating)" and "fluid dipping method (immersion coating)".

FIG. 4 is a process diagram showing the procedure of the “electrostatic coating method”.
The "electrostatic coating method" is a method in which a paint is charged with a spray gun 62 and applied to a grounded object by using static electricity.
In the "electrostatic coating method" shown in FIG. 4, first, the flat plate-shaped member 45 is washed in the pretreatment tank 59 and dried in the drainage drying furnace 61.

Next, in the powder coating booth 63, the powder coating from the powder coating supply tank 65 is sprayed by the pressure feed air from the compressor 67. At this time, a high voltage generator 69 is connected to the spray gun 62 to charge the paint. On the other hand, by grounding the flat plate-shaped member 45, the front and back surfaces of the flat plate-shaped member 45 are covered with a coating film of powder paint. A recovery device 71 is connected to the powder coating booth 63.

After applying the powder coating material, a coating film is formed by heating in a baking drying furnace 73, and after cooling, a flat plate-shaped member 45 on which an insulating layer 55 is formed is obtained. The flat plate-shaped member 45 becomes a flat plate portion 23A or a flat plate portion 23D after post-treatment. Although it is difficult to control the film thickness by the "fluid immersion method" described later, it is easy to control the coating film with a thin film of about 50 microns by the "electrostatic spray method".

The thermosetting paint used in the "electrostatic spray method" undergoes a chemical change (crosslinking) when heat is applied, and its properties change. Since various performances can be added by the cross-linking reaction, it is possible to select a paint according to the application. The base resin used is generally a polyester resin, an acrylic resin, an epoxy resin, a hybrid (epoxy / polyester) resin, or the like.

FIG. 5 is a process chart showing the procedure of the “fluid immersion method”.
In the "fluid immersion method", first, the flat plate-shaped member 45 is washed in the pretreatment tank 59, and the flat plate-shaped member 45 is preheated in the preheating furnace 77. Next, immersion is performed in the fluidized immersion tank 79. For immersion, a perforated plate is placed at the bottom of the fluidized immersion tank 79, the paint is made to flow by sending compressed air 81 from the perforated plate, and the preheated flat plate-shaped member 45 is immersed in the flowing paint. .. The paint in the fluidized immersion tank 79 is fused to the flat plate-shaped member 45 by heat to form a thick coating film.

After that, it may be passed through a post-heating tank 83 for improving smoothness. As a result, a flat plate-shaped member 45 on which the insulating layer 55 is formed is obtained. The flat plate-shaped member 45 becomes a flat plate portion 23A or a flat plate portion 23D after post-treatment. In the "fluid dipping coating method", a film thickness of usually 200 to 500 microns can be applied.

As the thermoplastic powder coating material used in the "fluid immersion method", resins such as vinyl chloride, polyethylene and nylon can be mainly used. Thermoplastic paints have the characteristic that they soften by applying heat and change their shape, and when they cool, their shape stabilizes. Since the thermoplastic powder coating material does not undergo a chemical change due to heat, when heat is applied again, softening and shape change are repeated. Therefore, it is not a baking process like a thermosetting paint.

In the method for manufacturing the insulating layer 55 of the flat plate portions 23A to 23D according to the present embodiment, for example, the surface of the portion of the flat plate portion 23A to be the first connection piece 35 is masked by using masking tape or the like. .. The first connection piece 35 to be masked may be bored with a bolt fixing hole 43 or the like in advance by drilling. The insulating layer 55 is not formed on the first connection piece 35 of the masked flat plate portion 23A. Therefore, the first connection piece 35, which is an exposed portion of the conductive material in the flat plate portion 23A, can be used as a connection terminal. Therefore, the first connection piece 35 can be electrically connected to the wiring material connecting portion 89 in the flat conductor 87D of the wiring material 85 by bolting using the bolt fixing hole 43.

FIG. 6 is a perspective view of the wiring material 85 connected to the laminated conductive member 13 shown in FIG.
The wiring material 85 is connected to the laminated conductive member 13 housed in the branch box 11. The wiring material 85 can support multiple circuits by laminating flat conductors 87A to 87D coated on the insulating layer 55. FIG. 6 illustrates the case of the wiring material 85 composed of four layers of flat conductors 87A to 87D, but the number of layers (number of sheets) is not limited to this. The four-layer flat conductors 87A to 87D are integrated by, for example, a plurality of clamp members arranged at predetermined intervals along the longitudinal direction.

The wiring material connecting portion 89 of each of the flat conductors 87A to 87D can be formed by dividing the entire width of the wiring material 85 by the number of layers. As shown in the illustrated example, the bolt fixing hole 43 is bored in the wiring material connecting portion 89.

As shown in FIGS. 7 and 8, in the four circuits of the illustrated example, for example, flat conductors 87A to 87D are stacked and arranged in the order of 48V minus, 48V plus, 12V plus, and 12V minus from the lower layer. The material 85 can be constructed. In this case, the adjacent layers are preferably the same poles. In the wiring material 85 of the illustrated example, "48V plus" and "12V plus" are adjacent to each other in the second layer and the third layer. The noise resistance performance of the wiring material 85 in which multiple circuits are laminated can be improved by arranging the same poles adjacent to each other.

Next, the operation of the above configuration will be described.
FIG. 9 is a perspective view showing an example of routing in a vehicle using a plurality of types of routing materials 85.
When the upstream side wiring material 99 and the downstream side wiring material 97, which are the wiring material 85, are used as a power cable, for example, the front cross member 91 on the front (Fr) side and the rear cross member on the rear (Rr) side of the vehicle. It is laid out in the front-rear direction of the vehicle along the floor panel 95 straddling the 93. Further, the branch wiring material 101, which is the wiring material 85, is distributed in the vehicle left-right direction along the floor panel 95 across the tunnel portion 92 of the vehicle, and the upstream side wiring material 99 and the branch wiring material 99 are distributed via the branch box 11. It is connected to the downstream side routing material 97.

Then, these upstream side wiring material 99, downstream side wiring material 97 and branch wiring are arranged and interconnected along the floor panel 95 over the front (Fr) side and the rear (Rr) side of the vehicle. The material 101 can supply power from the in-vehicle battery to various devices in the vehicle.

In the branch box 11 in which the laminated conductive member 13 having the branch structure according to the present embodiment is housed, the wiring material 85 composed of a plurality of flat conductors 87A to 87D is connected to each other in a desired direction. Can branch. In the branched structure of the present embodiment, the flat plate portions 23A to 23D made of the flat plate-shaped conductive material are laminated by the number of the plurality of flat conductors 87A to 87D in the wiring material 85. The same number of first to fourth connections as the flat conductors 87A to 87D of the wiring material 85 are connected to the outer peripheral edges 25 of the plurality of flat plates 23A to 23D in which the flat plates are electrically insulated by the insulating layer 55. The connecting portions 27, 29, 31, 33 of the first group to the fourth group composed of the pieces 35, 37, 39, 41 are projected in the desired branching direction. When looking at the flat conductor 87A of one of the plurality of conductors provided in the wiring material 85, in order to branch the flat conductor 87A, at least three first ones are formed on the outer peripheral edge 25 of one flat plate portion 23A. Connection piece 35 is provided. In this embodiment, four first connection pieces 35 are provided.
In order to branch the wiring material 85, a branch box 11 having this branching structure is provided between the upstream side wiring material 99, the downstream side wiring material 97, and the branching wiring material 101 of the wiring material 85. Be done.

10 (a) to 10 (c) are perspective views showing the upstream side wiring material 99, the downstream side wiring material 97, and the branch wiring material 101 shown in FIG.
In this case, in the branched structure of the laminated conductive member 13 according to the present embodiment shown in FIG. 2, the flatness of the downstream side routing material 97 is connected to the first connecting piece 35 of the flat plate portion 23A in the connecting portion 27 of the first group. The mold conductor 87A is connected, and the flat conductor 87A of the upstream side wiring material 99 is connected to the first connection piece 35 of the flat plate portion 23A in the connection portion 31 of the third group. Then, the flat conductor 87A of the branch wiring material 101 is connected to the first connecting piece 35 of the flat plate portion 23A in the connecting portion 29 of the second group. The downstream side wiring material 97, the upstream side wiring material 99, and the other flat conductors 87B to 87D of the branch wiring material 101 are similarly connected via the flat plate portions 23B to 23D of different layers, respectively. As a result, the branch wiring material 101 is branched and connected between the upstream side wiring material 99 and the downstream side wiring material 97 via the branch box 11.

As shown in FIG. 11, for example, in the case of a wiring example in a conventional vehicle in which a vehicle-mounted battery 107 is once passed through a junction box 105 and power is sent to devices 109 at various locations, there is a problem that the wire length becomes long. In addition, since the number of extra electric wires 111 increases, there is a problem that the weight increases and the cost increases.
On the other hand, as shown in FIG. 12, in the wiring example in the vehicle according to the present embodiment using the branch box 11 and the wiring material 85, the branch box 11 is provided at a required position of the wiring material 85 from the in-vehicle battery 107. Since the power can be transmitted from each branch box 11 to the devices 109 in various places, the wire length can be shortened. Moreover, since the extra electric wire does not increase, the weight and cost can be reduced.

Further, in the branched structure of the present embodiment, a plurality of flat plate portions 23A to 23D having the first to fourth connecting pieces 35, 37, 39, 41 protruding from the outer peripheral edge 25 in a desired connection direction form an insulating layer 55. The laminated conductive member 13 is formed by being laminated via the above. When branching the wiring material 85 having a plurality of flat conductors 87A to 87D, the total thickness of the flat plate portions 23A to 23D equal to the number of the flat conductors 87A to 87D and the total thickness of the insulating layers 55 provided between them. Only the sum with the thickness is the thickness in the stacking direction, and the laminated conductive member 13 can be formed thinly.
Further, the noise resistance of the laminated conductive member 13 is improved by laminating a plurality of flat plate portions 23A to 23D connecting the flat conductors 87A to 87D of the plurality of wiring materials 85.

Further, in the branched structure of the present embodiment, the insulating layer 55 is formed in advance on the front and back surfaces of the flat plate portions 23A to 23D by powder coating, so that the insulating layer 55 is thinly formed and laminated between the flat plate portions. The interval can be reduced, and the assembly work when laminating the plurality of flat plate portions 23A to 23D can be used as a container.

FIG. 13 is an explanatory diagram showing another example in the power distribution direction.
Further, as shown in FIG. 13, in the branch structure according to the present embodiment, the first connection piece 35 in one flat plate portion 23A (23B to 23D) is connected to the connection portion 27 of the first group and the connection portion 27 of the second group. It is not necessary that the portions 29, the connecting portion 31 of the third group, and the connecting portion 33 of the fourth group are arranged at the same position from the ends. For example, the fourth connection piece 41 connected to the electric wire 113 at the connection portion 27 of the first group is arranged at the second position from the right in the connection portion 31A of the third group. The third connection piece 39 in the connection portion 27 of the first group is arranged at the first position from the right in the drawing in the connection portion 31A of the third group. As a result, it is possible to connect the wiring materials having different conductor arrangements to the connecting portion 31A of the third group and change the circuit after branching of the power supply or the like.

Further, the branch structure according to the present embodiment does not necessarily have to be connected to the wiring member 85 made of flat conductors 87A to 87D. For example, as shown in FIG. 14, a plurality of insulatingly coated round conductors 117 can connect the wiring member 119 bundled by a clamp 123 or the like. In each round conductor 117, the end portion 121 formed in the shape of an LA terminal is connected to the first to fourth connecting pieces 35, 37, 39, 41 of the branch box 11, respectively.

Therefore, according to the branching structure according to the present embodiment, the wiring material 85 composed of the plurality of flat conductors 87A to 87D can be branched in a desired direction in a space-saving manner.

The present invention is not limited to the above-described embodiment, and can be modified or applied by those skilled in the art based on the combination of the configurations of the embodiments with each other, the description of the specification, and well-known techniques. It is the planned invention and is included in the scope of seeking protection.

For example, the branch box 11 having the above configuration has been described by taking the case where the flat plate portions 23A to 23D are quadrangular as an example, but the shape of the flat plate portion is not limited to this, and is circular, oval, elliptical, or triangular. , Pentagon, hexagon, octagon and other polygons. Further, in the above configuration, the case where the connecting piece of the flat plate portion and the conductor of the wiring material are connected by bolt fastening, welding, or solder has been described, but the connecting piece and the conductor are fitted together formed on both sides. It may be directly connected by a stop structure.
Further, the insulating layer provided between the plurality of flat plate portions and electrically insulating between the flat plate portions can also be formed by an insulating sheet. By interposing an insulating sheet having a predetermined shape between the flat plates, an insulating layer can be inexpensively formed between the flat plates to be laminated.

Here, the features of the above-described embodiment of the branched structure according to the present invention are briefly summarized and listed below in [1] to [3], respectively.
[1] A branch structure for connecting a plurality of wiring materials (85) composed of a plurality of conductors (flat conductors 87A to 87D), and a plurality of flat plate portions made of a flat conductive material and laminated. (23A to 23D) and a plurality of connecting pieces (third) that project horizontally from the outer peripheral edge (25) of the laminated flat plate portions so as not to overlap in the stacking direction and are connected corresponding to the plurality of conductors. A plurality of groups of connecting portions (connecting portions 27, 29, 31, 33 of the first to fourth groups) composed of the first to fourth connecting pieces 35, 37, 39, 41) and the plurality of flat plate portions. A branch structure characterized by comprising an insulating layer (55) provided between the two plates to electrically insulate between the flat plates.
[2] The branched structure according to the above [1], wherein the insulating layer (55) is formed by powder coating on at least one of the front surface and the back surface of the flat plate portions (23A to 23D).
[3] The laminated conductive member (13) having the branched structure according to the above [1] or [2] is housed in an insulating storage case (storage box 15 and lid case 17). A characteristic branch box (11).

13 ... Laminated conductive members 23A to 23D ... Flat plate portion 27 ... Connecting portion (connecting portion) of the first group
29 ... Connection part of the second group (connection part)
31 ... Connection part of the third group (connection part)
33 ... Connection part of the 4th group (connection part)
35 ... First connection piece (connection piece)
37 ... Second connection piece (connection piece)
39 ... Third connection piece (connection piece)
41 ... Fourth connection piece (connection piece)
55 ... Insulation layer 85 ... Cable arrangement materials 87A to 87D ... Flat conductor (conductor)

Claims (2)

It is a branch structure for connecting a plurality of wiring materials composed of a plurality of conductors.
A plurality of flat plates made of a rectangular flat conductive material in a plan view and laminated.
A plurality of groups of connecting portions composed of a plurality of connecting pieces that project side by side from the outer peripheral edge of each of the laminated flat plate portions so as not to overlap in the stacking direction and are connected corresponding to the plurality of conductors.
An insulating layer provided between the plurality of flat plates and electrically insulating between the flat plates,
Equipped with a,
A branched structure characterized in that the insulating layer is formed by powder coating on at least one of the front surface and the back surface of the flat plate portion excluding the connection piece . A branch box characterized in that the laminated conductive member having the branch structure according to claim 1 is housed in an insulating storage case.

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