JPH08251779A - Strip plate conductor for branch part and branch unit for strip plate conductor circuit - Google Patents

Abstract

PURPOSE: To obtain a branch unit for a strip plate conductor circuit in which the workability is improved by reducing the work such as welding connection when a branch line connecting conductor is connected to the strip plate conductor of a main line and which has excellent degree of freedom of designing applied to the circuit of a conductor disposition at any bare conductor air insulation type. CONSTITUTION: A plurality of strip plate conductors 1 in which parts 1A of the conductors 1 are bent substantially constantly in thickness and sectional area in the direction of the surface are disposed in parallel and oppositely at the surfaces, and the protruding part 1A1 from the side edge of the strip plate conductor linear part of the bent part 1A of the conductor 1 is used as a branch line connector.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulated-conductor-contact type electric circuit in which a plurality of strip-shaped conductors made of an electric conductor such as copper or aluminum are arranged in parallel and face each other, and a reduced-displacement type electric circuit between insulated conductors. , Or, in the branch portion of the air-insulated type electric circuit, relating to a device for extracting the branch from each strip conductor of the electric circuit,
The present invention relates to a branching device for an in-board electric circuit such as a distribution board or a distribution board, or a branching device for supplying power to a load from the middle of a bus duct.

[0002]

2. Description of the Related Art The following various structures are known as a device for extracting a branch from a strip conductor circuit.

(1) A plug-in male part for drawing power is fixed to a flat conductor by soldering or welding to a side edge of the conductor, and an insulating material is coated on the fixed part of the flat conductor and the plug-in male part for drawing power. Insulation busbars (see Japanese Utility Model Publication No. 45-23692) in which a plurality of the above are closely arranged so that the male portions of the power-drawing plug-ins are in different steps.

(2) A branch terminal of a bus duct in which a branching terminal plate is butt-welded at right angles to the longitudinal side edges of the conductors of the respective layers, and the welded portion is finished to a smooth surface by a grinder or the like (Jitsuko Sho 47-6529). See the bulletin).

(3) One end of a branching lead conductor bent in an L shape is electrically connected to the same side edge of all of the plurality of strip conductors by caulking pins, tightening bolts, or the like. A branch connecting device for a bus duct in which a branch lead conductor is connected to the side edge of the conductor by welding or brazing (see Japanese Utility Model Publication No. 49-13760, FIGS. 1 and 2).

(4) In a bus duct device consisting of a plurality of bus bars that are insulated from each other and overlapped with each other,
Along the same side edge of each bus bar, a thin conductor in the longitudinal direction is cut and raised from the bus bar at a substantially right angle, and the drawn conductor is cut and raised in the direction of the bus bar. Branch connection device (Jitsuko Sho 49-13)
760).

(5) In a bus duct with a built-in conductor, a branch line is directly connected to the conductor and is drawn out from a lead-out portion provided in the wall of the bus duct (actually, 61- 46825 publication).

(6) For a plate-shaped conductor cable in which a plate-shaped conductor is provided with an insulator, the insulator at the position to be connected is peeled off only on one side of the cable to expose the conductor on only one side. A stud bolt is welded to the exposed conductor, a branch cable terminal is screwed to the stud bolt, and the periphery of the stud bolt is insulated. -2645
(See Japanese Patent Publication No. 5).

[0009]

However, in the branching device described in the above items (1), (2) and (3), the branch line connecting conductor is welded to the side edges of all the plurality of strip plate conductors, and Since the branch line connecting conductor is configured to extend above or below the side edge of the strip conductor, a great deal of labor is required for connection work such as welding of the branch line connecting conductor to the strip conductor.

In the branching connection device described in the above (4), the lead conductor having a narrow width in the longitudinal direction is cut and raised from the strip conductor at a substantially right angle along one side edge of each strip conductor. The cross-sectional area of the remaining conductor in the cut-and-raised part of the strip conductor may decrease and the current density may increase, resulting in abnormal heat generation or overheating when an overcurrent flows due to an instantaneous overload or due to long-term use. There is.

In the branching connection device described in the above item (5), between the strip conductors adjacent to each other in the housing of the bus duct,
In addition, a branch line is connected to the center of each plate surface of a plurality of strip plate conductors, which are arranged at appropriate intervals between the outermost strip plate conductor and the housing side plate, and the branch line is taken out of the housing. is there. That is, it is a structure that does not have a branch line connecting conductor for directly connecting a branch line to a strip conductor, and cannot be applied to a bus duct of a type in which strip conductors with insulation coating are arranged in layers.

Further, in the branching connection device described in the above item (6), even if the stud bolt is implanted by using a dedicated tool such as a stud welder, the conductor inside the plurality of laminated insulated conductors is used. The stud bolts cannot be welded to, and the arrangement of the strip conductors is limited.

The present invention has been proposed in view of the above problems in the conventional branching device for the strip plate conductor circuit, and when connecting the branch line connecting conductor to the strip plate conductor which is the main line, work such as welding connection is performed. The band has excellent design flexibility that can be applied to electric circuits with any conductor arrangement, such as insulated conductor close contact type, insulated conductor mutual reduction arrangement type, bare conductor air insulation type, etc. The purpose is to obtain a branching device for a plate conductor circuit.

[0014]

DISCLOSURE OF THE INVENTION The present invention is a strip conductor used for a branch portion of a strip conductor electric path, in particular, in which a part of the strip conductor has a substantially constant thickness and cross-sectional area in the direction of the plane. Convex to
A portion of the convex curved portion projecting beyond the side edge of the strip plate conductor straight portion is used as a branch line connecting portion. Further, a plurality of strip plate conductors having the above-mentioned convex curved branch line connecting portions are arranged in parallel and face each other so that a strip plate conductor electric path branching device is constituted.

Not only the above-mentioned strip plate conductor having the convex curved portion as the branch line connecting portion, but also the strip plate conductor with the convex curved branch line connecting portion and the outermost strip having a part of the outer surface as the branch line connecting portion. One in which a plate conductor is arranged in parallel with each other so as to face each other to form a branching device for a strip conductor path, and one or a plurality of strip plate conductors in which the above-mentioned convex curved portion is a branch line connecting portion and an outer surface The outermost strip conductor on one side with a part of the branch line connecting portion and one end fixed to the strip plate conductor and the other end protruding from the side edge of the strip plate conductor to form the branch line connecting portion The other side outermost strip conductor with a connecting conductor is arranged in parallel with each other so that the plate faces face each other to form a branching device for a strip conductor circuit.

In the branching device for the strip plate conductor circuit, the convex branch line connecting portions are placed in different positional relations such as staggering and staggering. Further, a part of the outermost strip conductor including the branch line connection portion and / or a portion of the outermost strip conductor fixed to the branch line connection conductor is bulged outward. The above branching device is housed in a housing.
The housing is provided with a branch line connecting portion, a branch line lead-out portion connected to the branch line connecting conductor, and the like.

[0017]

[Operation] The connection of the branch line to the conventional strip conductor circuit is
The present invention is applied to a branch line connecting conductor fixed to the conductor by welding, bolting, etc., but the present invention connects the branch line directly to the side surface (plate surface) of the convex branch line connecting portion which is a part of the strip conductor. The bent portion itself functions as a branch line connecting conductor. In the case of an electric circuit in which the branch line connecting part of one or both outer strip conductors is provided on a part of the outer surface of the conductor, the branch line connecting part and the outside of the strip plate conductor with the convex curved branch line connecting part arranged inside Even if the branch line connecting portions of the strip conductors are lined up, since the inner and outer branch line connecting portions are located apart from each other, the connection of the branch lines is not hindered.

In the case of an electric circuit in which a strip plate conductor having a sheet-like branch line connecting conductor fixed to a side edge of the strip plate conductor is arranged on one or both outer sides of the strip plate conductor with a convex curved branch line connecting portion, the branch line The connecting conductor is appropriately formed in a straight shape, an L-shape, a Z-shape, or the like so as to be aligned with the direction of deriving the branch line. The branch line connecting portion for the strip conductor, the installation of the branch line connecting conductor, the branch direction and means, etc. can be designed in various ways. Then, at least the plate thickness and the cross-sectional area of the branch line connecting portion in the strip plate conductor with the convex curved branch line connecting portion do not change. The branch portion of the strip plate conductor circuit,
Regardless of whether it is an insulated conductor closely attached type or air insulated type, it is housed in a housing together with the strip conductor electric path and installed as a bus duct in a high-rise building or factory.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows an example in which a branch portion of the present invention is applied to a strip plate conductor with an insulating coating. A part 1A of the strip conductor 1 is bent in the direction of the plate surface while keeping the plate thickness and the cross-sectional area substantially constant. A part 1A1 of the plate surface projecting beyond the side edge of the strip plate conductor straight portion of the convex curved portion 1A is used as a branch line connecting portion. The means for forming the convex curved portion 1A presses one side edge of the strip plate conductor 1 in the plate surface direction with a convex mold, and causes the convex curved portion 1A to curve and protrude to the other side edge. Alternatively, it is appropriate to cast the band plate conductor 1 so that the convex curved portion 1A is formed in the middle of the band plate conductor 1. As the strip conductor 1, a good electric conductor such as copper or aluminum is used. The insulating layer 2 is appropriately formed by winding a polyester sheet or adhering a synthetic resin heat-shrinkable tube. The insulating layer 2 is formed after forming the convex curved portion 1A of the strip conductor 1. Therefore, the insulating layer 2 is peeled off from the portion of the strip conductor 1 that will be the branch line connecting portion 1A1 according to the shape and size of the connection terminal portion of the branch line. The branch line connecting portion 1A1 is provided with a hole 3 for a screw part for fixing the branch line. The hole 3 is a tap hole or a bolt through hole depending on the screw part used.

A branching device using the above-mentioned strip band conductor for branching according to the present invention can be applied to various types of electric circuits, that is, two-wire type,
Various combinations of band conductors with other branch line connection structures, such as 3-wire type and 4-wire type, and various configurations implemented in electrical circuits of various types such as insulated conductor closely contact type, air insulated type, etc. Will be described for each of the following figures.

FIGS. 2 to 5 show an example in which a plurality of strip-shaped plate conductors 1 each having a curved portion for branch line connection are closely attached to each other to form an insulated-conductor-adhesive electric circuit. The insulating layer is not shown. 2 to 5, (a) is a front view, and (b) is a longitudinal right side view. FIG. 2 shows a two-wire electric circuit in which the convex curved portions 1A of the strip conductors 1 are arranged in a vertically symmetrical manner with one facing upward and the other facing downward. FIG. 3 shows a three-wire circuit in which the convex curved portions 1A of the strip conductors 1 are arranged in a zigzag shape when viewed from the direction intersecting the surface of the strip conductor 1. FIG. 4 shows a structure in which two sets of the electric lines having the structure shown in FIG. 2 are superposed on each other in a 4-wire type electric line, and two sets of vertically curved symmetrically arranged convex curved portions 1A are displaced in the longitudinal direction of the strip conductor 1. Are arranged. FIG. 5 shows a 5-wire type electric line, and the convex curved portions 1A of the strip conductors 1 are arranged in a zigzag manner in the same manner as the electric line having the configuration shown in FIG.

FIG. 6 shows an example in which an insulated conductor is closely attached and a three-wire type electric circuit is used. However, unlike the structure shown in FIG. 3, all the convex curved portions 1A of the strip conductors 1 are directed upward and in a staggered pattern. It is located in. In this embodiment, the insulating layer on the upper half of each convex curved portion 1A is peeled off from both the front and back sides, and the conductor exposed portion is used as the branch line connecting portion 1A1.

7A to 9B, (a) is a front view and (b) is a view.
Shows a right side view of the central longitudinal section. FIG. 7 shows an example in which the insulated conductor is closely attached to the two-wire type electric circuit. One of the strip plate conductors 1 is the same conductor with a convex curved portion for branch line connection as in the above embodiment, but the other strip plate. The conductor 4 is a conductor having no convex curve, that is, a straight conductor with an insulating coating. A branch line connecting portion 4A1 is formed in which the conductor is exposed by peeling off the insulating layer 2 in an appropriate size in the approximate center of the outer surface of the straight conductor 4, and the center of the branch line connecting portion 4A1 is used for screw parts. A hole 3 is provided. The branch line connecting portions 1A1 and 4A1 of both strip conductors 1 and 4 are separated from each other by a width corresponding to the thickness of one strip conductor and are arranged in the vertical direction.

FIG. 8 shows an example in which the insulated conductor is closely attached and the three-wire system is used. On the outside of the strip conductor 1 with a convex curve portion for branching line connection of the two-wire type electric circuit of FIG. 7, the same strip plate conductor 1 with a convex curve portion for branching line connection and the arrangement of the convex curve portion 1A are shown in FIG. Similar to the example of FIG. 2, they are laminated symmetrically in the vertical direction, and the branch line connecting portions 1A1, 4A1, and 1A1 of three phases of each line are arranged in the vertical direction.

FIG. 9 shows an example in which the insulated conductor is closely attached to the 4-wire type electric circuit, and a straight line is formed on the outside of the strip plate conductor 1 with a convex curved portion for connecting the branch line of the 3-wire type electric circuit shown in FIG. 2 is a laminate of the conductors 4 with insulating coating, that is, the conductors 4 with straight insulating coating are laminated on both outer sides of the electric path in the example of FIG.

(A) of each of FIGS. 10 to 15 is a front view,
(B) is a right side view of the central longitudinal section, and (b) is a partially transverse bottom view. FIG. 10 and FIG. 11 are examples of implementation on the same insulated conductor contact type, two-wire type and three-line type electric circuit as in FIGS.
By bulging the portion 4A including the branch line connecting portion 4A1 toward the outside, the vicinity of the branch line connecting portion 4A1 is isolated from the adjacent conductor 1.

FIG. 12 and FIG. 13 show examples in which the conductors are closely attached to the insulated conductors, and the conductors 4 with straight insulation coating are arranged on both outer sides, respectively. It is configured by sandwiching the strip plate conductor 1 with a convex curved portion for branch line connection.
Then, the portions 4A of the conductors 4 on both outer sides including the branch line connecting portions 4A1 are bulged outward to separate the vicinity of the branch line connecting portions 4A1 from the inner conductor 1.

FIG. 14 shows the same insulated conductor contact type 4 as in FIG.
This is an example implemented in a wire type electric path, but only a portion 4A of the outer conductor 4 on one side including the branch line connecting portion 4A1 is bulged outward.

FIG. 15 shows an example in which the same four-wire electrical circuit as the insulated conductor is used as shown in FIG. 13, but is branched to the bulging portion 4A of the conductor 4 with the straight insulation coating arranged on the outer side of one side. One end of the wire connecting conductor 4B is fixed and the other end of the wire connecting conductor 4B is projected from the side edge of the conductor 4 with a straight insulating coating, and the tip portion 4B1 from which the insulating layer 2 is peeled off serves as a branch line connecting portion. The branch line connection conductor 4B is fixed to the side edge of the strip plate conductor 4 in a butt shape, and the tip portion 4B1 is bent toward the outermost straight conductor 4 on the other side in a substantially L shape. , Other J-shaped, Z-shaped, U-shaped, etc., the shape and size of the branch line connecting conductor 4B,
Also, it is formed into a shape according to the purpose and conditions of use.

Although the above-mentioned FIG. 15 shows a 4-wire type, in other 2-wire type, 3-wire type, or 5-wire type branching devices for electric lines, a strip plate conductor with a convex curved portion for branch line connection is used. It can be configured in combination with 1. Further, in FIG. 15, a part of the outermost conductor 4 with a straight insulating coating is bulged outward, but a separate member is branched at a proper position on the side edge of the conductor 4 with a straight insulating coating without bulging. The wire connecting conductor may be fixed by welding or the like. Although the embodiments of FIGS. 2 to 15 described above are the insulated conductor close contact type electrical lines, they can naturally be applied to the reduced conductor spacing type electrical route in which some space is provided between the adjacent insulated conductors.

16 (a), (b) and (c) of FIG.
In the embodiment shown in FIGS. 15A and 15B, there is no branch line connecting convex portion arranged on the outermost side, that is, the straight insulating coating strip plate conductor 4
3 shows an example of the configuration of the branch line connecting part 4A1 in the branch part of FIG.

(A) The insulating layer 2 on the side surface (the front side in the figure) of the straight insulating coated strip conductor 4 is peeled off to an appropriate size so that the terminal of the branch line to be connected can be attached, and the insulating layer 2 is peeled off. A tap hole 3 is provided substantially in the center of the formed branch line connecting portion 4A1. The tap hole 3 may be processed before or after the insulating coating of the strip conductor 4. It is better not to peel off the insulating layer 2 on the inner side surface (back side in the figure) of the conductor 4 located in the tap hole 3, but even if it is peeled off, the adjacent conductor 1 is also an insulating coating strip conductor, so that there is no conduction. Don't worry. An electrical / mechanical connection is made by superimposing a terminal portion of a branch line (not shown) on the tap hole 3 and tightening and fixing it with a bolt having an appropriate length.

(B) The peeling of the insulating layer 2 is the same as in the example of the above (a). A hole 6 having a similar shape, which is slightly smaller than the outer diameter of the nut 5 to be fitted, is provided in the approximate center of the portion where the insulating layer 2 is peeled off, and the nut 5 is press-fitted into the hole 6. The outer shape of the nut 5 may be a polygon such as a triangle or a quadrangle. By fitting the nut 5, the branch line connecting portion 4
A threaded hole 3 for connecting a branch line is formed in the center of A1. The insulating layer on the inner side surface of the strip conductor 4 located in the threaded hole 3 and the connecting means of the terminal portion of the branch line by the threaded hole 3 are the same as those described in the item (a).

(C) The peeling of the insulating layer 2 is the same as in the example of the above item (a). A round hole or a serration hole 8 which is slightly smaller than the outer diameter of the serration nut 7 to be fitted is provided in the approximate center of the portion where the insulating layer 2 is peeled off, and the serration nut 7 is press-fitted and fitted into the hole 8.
By connecting the serration nut 7, the branch line connecting portion 4A
A threaded hole 3 for connecting a branch line is formed in the center of 1.
The insulating layer on the inner side surface of the strip conductor 4 located in the threaded hole 3 and the connecting means of the terminal portion of the branch line by the threaded hole 3 are the same as those described in the item (a).

(D) The branch line connecting portion 4A1 of the conductor 4 having no branch curve connecting convex portion is not limited to the above embodiment. In addition, a configuration that can be appropriately applied is also included.

In the embodiment shown in FIGS. 10 to 15, since the portion 4A including the branch line connecting portion 4A1 of the outermost strip conductor 4 on one side or both sides is bulged outward, the branch line connecting portion 4 is formed.
In addition to the above (a), (b), (c) and (d), the structure of A1 is such that the insulating layer 2 on the inner surface of the bulging portion 4A is peeled off similarly to the outer surface, and a through hole is provided instead of the threaded hole 3. , The hole for the terminal part of the branch line by overlapping the terminal part of the branch line on the outer surface of the bare branch line connection part 4A1
An electrical and mechanical connection is made by inserting a bolt of an appropriate length into, and attaching a nut to the inner surface side of the branch line connecting portion 4A1 and screwing it in to tighten and fix. The connection configuration of the branch line by the through bolt and the nut is the branch line connection part 1 of the strip plate conductor 1 with a convex curve part for branch line connection, which is a feature of the present invention.
It is also applicable to A1 and connection of branch lines in the branch line connecting portion 4B1 of the branch line connecting conductor 4B of the embodiment of FIG.

FIG. 17 shows an embodiment in which the insulated conductor contact type electric path shown in FIG. 11 is housed in a housing together with a branching device. The electric circuit linear portion housing 9 is cut before and after the branch portion of the electric circuit, and the branched portion is surrounded by a split box type branch housing 10 and fixed to the front and rear electric circuit linear portion housings 9. Material of the electric line straight section housing 9 and the branch section housing 10 (steel plate, stainless steel plate,
Aluminum plate, etc.), shape, dimensions, processing means (bending or forming), etc. are appropriately selected. The structure of the electric circuit linear portion housing 9 is not limited to the closed type shown in the figure, and a conventionally known one such as a box type housing can be applied. A knockout (indicated by an alternate long and two short dashes line in the figure) 11 for drawing out a branch line (not shown) connected to each strip conductor 1 and 4 to a part of the branch housing 10 or an opening for drawing It is appropriate to provide a section.

FIG. 18 shows an example in which a bare strip conductor air-insulated 3-wire type electric circuit is housed in a housing 12 together with a branching device. Each bare strip conductor 1 has a convex curved portion 1 for connecting a branch line.
A strip conductor having A, and a convex curved portion 1A for connecting a branch line of each phase
Are lined up. There is a hole 3 for fixing the branch line near the tip of the convex curved portion 1A. A wide window 13 is opened in the housing 12 so as to face a position where the branch line connecting convex curved portions 1A are juxtaposed, and the window 13 is closed by a box-shaped cover member 14 that covers the branch line connecting convex curved portions 1A to form a box-shaped cover. The member 14 is fixed to the housing 12 with a screw part or the like.

The bare strip conductors 1 in the housing 12 are arranged such that the strip conductors adjacent to each other via the insulating support 15 and the space between the outermost strip conductor and the inner surface of the housing are kept at a predetermined insulation distance. There is. The branch line connected to the tip portion of each convex curved portion 1A is drawn out from a knockout 16 shown by a chain double-dashed line or a hole with a lid provided at an appropriate position of the cover member 14. The split box type branch housing 10 in the embodiment of FIG. 17 and the box-shaped cover member 14 in the embodiment of FIG. 18 prevent the danger due to accidental contact with the conductor of the charging portion in the branch of the electric circuit, and intrusion of dust and the like. It is attached for the purpose of preventing and protecting from various hazards such as the prevention of electrical accidents.

[0040]

According to the strip strip conductor of the present invention, a part of the strip strip conductor is convexly curved in the plate surface direction so that the thickness and the cross-sectional area thereof are substantially constant, and the strip plate of the convex curved portion is curved. Since the portion protruding from the side edge of the conductor straight portion is used as the branch line connecting portion, the convex curved portion itself functions as the branch line connecting portion, and the branch line connecting conductor prepared as a separate member as in the conventional case is used. It is not necessary to fix the band conductor to the band conductor by welding or bolting, and the branch portion of the band plate conductor can be easily configured. The plate thickness and cross-sectional area of the convex curved part that serves as the branch line connection part are the same as the plate thickness and cross-sectional area of the straight part of the strip conductor, so there is no change in the electrical resistance and the part heats up when energized. It does not cause any trouble.

In the case of an electric circuit in which a plurality of conductors with insulating coatings made of the strip conductors of the present invention are laminated and arranged, the convex curved portions of the conductors are staggered or staggered with a step corresponding to the thickness of the strip conductors. By arranging the conductors in a rectangular shape, the branch line can be easily connected to the convex curved portion of each conductor. In the case of an electric circuit in which the branch line connecting part of one or both of the outer band plate conductors with the above-mentioned convex curved branch line connecting part is provided on a part of the outer side surface of the conductor, the inside convex bending branch line connecting part is provided. Even if the branch line connecting portion of the strip conductor and the branch line connecting portion of the outer strip conductor are lined up, since the inner and outer branch line connecting portions are located apart from each other, the connection of the branch lines is not hindered.

Also, in the case of an electric circuit in which a strip plate conductor having a strip-shaped branch line connecting conductor fixed to the side edge of the strip plate conductor is arranged outside one or both of the strip plate conductors with the convex curved branch line connecting portion, By appropriately forming the branch line connecting conductor into a straight shape, an L shape, a Z shape, or the like, the branch line connection direction can be adjusted to facilitate the connection of the branch lines. Further, when a part of the outermost strip plate conductor including the branch line connecting portion is bulged outward, the strip plate conductor adjacent to the branch line connecting portion separates, so in the case of an electric path using an insulating strip plate conductor, It is possible to ensure the safety of the insulation coating of the adjacent strip conductor when connecting the branch line to the outermost strip conductor.

According to the present invention, a combination of the above-mentioned strip plate conductor with a convex branch line connecting portion, a strip plate conductor having a straight surface as a branch line connecting portion, and a strip plate conductor having a branch line connecting conductor is used. Since various branching parts can be obtained, the direction and means of branching can be freely designed. The electric circuit branching device of the present invention can be installed in a housing together with the strip conductor electric path regardless of whether it is an insulated conductor contact type, an insulated conductor mutual reduction arrangement type, or an air insulated type. It can be applied immediately as a bus duct that is a trunk line.

[Brief description of drawings]

FIG. 1 is a front view of a strip plate conductor for a branch portion in which the present invention is applied to an insulating strip conductor.

2A and 2B are a front view and a side view in which a branching device of the present invention is applied to a laminated two-wire electric circuit.

FIG. 3 is a front view and a side view in which the branching device of the present invention is applied to a laminated three-wire type electric circuit.

FIG. 4 is a front view and a side view in which the branching device of the present invention is applied to a laminated four-wire type electric circuit.

5A and 5B are a front view and a side view in which a branching device of the present invention is applied to a laminated 5-wire type electric circuit.

FIG. 6 is a perspective view of another embodiment in which the branching device of the present invention is applied to the laminated 3-wire electric circuit.

7A and 7B are a front view and a side view in which a branched device of the present invention in which a conductor on one side is a straight strip conductor is implemented in a laminated two-wire type electric circuit.

8A and 8B are a front view and a side view in which a branching device of the present invention in which a conductor on one outer side is a straight strip conductor is implemented in a laminated three-wire type electric circuit.

9A and 9B are a front view and a side view in which a branching device of the present invention in which conductors on both outer sides are straight strip conductors are implemented in a laminated 4-wire type electric circuit.

FIG. 10 is a front view, a side view, and a bottom view of a branched device of the present invention in which a conductor on one side is a straight strip conductor in which a branch connection portion is bulged in a laminated two-wire electric circuit.

FIG. 11 is a front view, a side view, and a bottom view of a branching device of the present invention in which a conductor on one outer side is a straight strip conductor in which a branch connecting portion is bulged in a laminated three-wire circuit.

FIG. 12 is a front view, a side view, and a bottom view of a branching device of the present invention in which a conductor on both outer sides is a straight strip conductor in which a branch connecting portion is bulged in a single-layered three-wire electric circuit.

FIG. 13 is a front view, a side view, and a bottom view in which a branching device of the present invention is implemented, in which a conductor on both outer sides is a straight strip conductor in which a branch connection portion is bulged in a laminated 4-wire type electric circuit.

FIG. 14 is a front view, a side view, in which a branching device of the present invention is implemented, in which a conductor on both outer sides is a straight strip conductor and a conductor on one side thereof bulges a branch connecting portion in a laminated 4-wire type electric circuit. Bottom view.

FIG. 15 is a front view of a branching device of the present invention having a straight strip conductor in which conductors on both outer sides bulge branch connection portions in a laminated four-wire type electric circuit, and a branch line connecting conductor on one conductor thereof. Figure, side view, bottom view.

FIG. 16 is a perspective view showing an example 3 of the branch line connecting portion of the outer strip conductor.

FIG. 17 is a perspective view showing the electric circuit and the branching device of the example of FIG. 11 housed in a housing.

FIG. 18 is a perspective view showing an air-insulated 3-wire type electric circuit and the branching device of the present invention housed in a housing.

[Explanation of symbols]

 1 strip conductor with convex curved branch line connecting portion 1A convex curved portion 1A1 branch line connecting portion 2 insulating layer 3 screw component hole for fixing branch line 4 straight strip conductor 4A bulging portion 4A1 branch line connecting portion 4B Branch line connection conductor 4B1 Branch line connection part 9 Electric path straight line part housing 10 Branch part housing 11 Branch line lead part 12 Housing 14 Box-shaped cover member 15 Insulating support

Claims (8)

[Claims] 1. A portion in which a part of the strip conductor is convexly curved in a plate surface direction with a substantially constant thickness and cross-sectional area, and the convex portion is projected from a side edge of the straight portion of the strip plate conductor. A strip plate conductor for a branch portion, which has a branch line connecting portion. 2. A plurality of strip conductors, each of which is convexly curved so that a part of the strip conductor has a plate thickness and a substantially constant sectional area, are arranged parallel to each other and face each other. A branching device for a strip conductor circuit in which a branch line connecting portion is a portion projecting beyond the side edge of the straight portion of the strip conductor of the convex curved portion. 3. In an electric circuit in which a plurality of strip conductors are arranged in parallel and face each other, the outermost strip conductor having a part of the outer surface as a branch line connecting portion and a part of the strip conductor are plate surfaces. In the direction of, the plate thickness and the cross-sectional area are substantially constant, and the band plate conductor is used as a branch line connecting part at the part protruding from the side edge of the straight part of the band plate conductor of the convex part. A branching device for a strip conductor circuit. 4. An electric circuit in which a plurality of strip plate conductors are arranged in parallel and face each other, and one outermost strip plate conductor having a part of an outer surface as a branch line connecting portion and one end portion of the strip plate conductor. The outermost strip conductor on the other side with the branch line connecting conductor, which is the branch line connecting portion with the other end protruding from the side edge of the strip plate conductor, and a part of the strip plate conductor in the plate surface direction. And a strip plate conductor having a convex portion with a substantially constant plate thickness and cross-sectional area, and a portion of the convex portion projecting from the side edge of the straight portion of the strip plate conductor serving as a branch line connecting portion. Branching device for plate conductor circuit. 5. The branch line connecting portions of the strip conductors, which are partially bent in the direction of the plate surface so that the plate thickness and the cross-sectional area are substantially constant, are arranged in different positional relations. Item 4
A branching device for the strip plate conductor circuit described. 6. The strip plate according to claim 3, wherein a part including the branch line connecting portion of the outermost strip plate conductor and / or a branch line connecting conductor fixing portion of the outermost strip plate conductor is bulged outward. Branching device for conductor circuits. 7. A branching device for a strip conductor circuit in which the branching device according to claim 2 is housed in a housing. 8. The branching device for the strip plate conductor circuit according to claim 7, wherein the housing is provided with a branch line lead-out portion connected to the branch line connecting portion of each strip plate conductor.