TWI459671B - Connected conductor for electrical power - Google Patents

Description

Power connection conductor

The present invention relates to a power connecting conductor for electrically connecting an electric circuit such as a wiring breaker provided on a switchboard or the like to an electromagnetic switch.

In general, the secondary side of the wiring circuit breaker (MCCB, Molded Case Circuit Breaker) provided in the electric load side of the main wiring circuit breaker, for example, a three-phase 200V main circuit breaker in the switchboard, and the electromagnetic It is a well-known technique that the primary side of the switch (Electromagnetic Contact) is arranged in a line in a switchboard, and the two are connected to each other by a terminal to connect electric power to the electric equipment on the load side.

Further, in the main wiring circuit breaker, a power supply branch line for distributing power to a plurality of load side electric wires is provided with a bus bar which processes the conductor metal into a rod shape and For example, a conductor bar obtained by processing a conductor metal is connected between the devices so that the three-phase amount is connected to the primary side terminal of the load-side wiring breaker in a state of being separated by a predetermined interval (for example, refer to Patent Document 1) ).

Further, it is also known that a conductor bar, that is, a conductor bar, which is connected to a plurality of wiring branches and bus bars for a plurality of branches in an electric panel by an I-shaped connecting copper bar. Refer to Patent Document 2).

[Patent Document 1] Japanese Laid-Open Patent Publication No. Hei 7-298426 (Fig. 2, Fig. 3, Fig. 4)

[Patent Document 2] Japanese Laid-Open Patent Publication No. 2009-11047 (Fig. 1, Fig. 2, Fig. 3)

However, in Patent Documents 1 and 2, the bus bar is used for the connection of the main wiring breaker to the wiring breaker for branching, but the wiring breaker for branching and the electromagnetic switch are used. It is related to the configuration set in the switchboard, so most of them use wires to connect. Therefore, when there are a plurality of electric load sides or when the size of the switchboard is limited, the wiring connection is troublesome, and the wiring requires a lot of labor. At the same time, wiring becomes complicated and there is a problem of wiring errors.

Further, regarding the size of the switchboard, when there is a large amount of electrical load, the necessary electrical equipment is also inevitably increased, and the installation area of the electrical equipment is also increased correspondingly, resulting in an increase in the installation area and an increase in cost.

The present invention has been devised in view of the above circumstances, and an object thereof is to provide a connecting conductor for electric power, which can be used for a wiring circuit breaker for branching without applying a complicated wiring work without causing an increase in the area of the switchboard. The electromagnetic switch is conveniently housed in the switchboard, and it can also reduce wiring errors or wiring installations.

In order to solve the problem, the power connecting conductor of the present invention is connected to a connection terminal of an electric device such as a wiring breaker and an electromagnetic switch, and is connected to each other by a conductor bar, and the conductor bar is included by an insulating member. The power conductors of the plurality of power phase sequences are integrally formed by being surrounded by the power wires; and the connection conductor has at least a flat portion disposed between the fixed side surface portion of the wiring breaker and the front portion of the electromagnetic switch, and the flat plate is The conductor bars on both end sides of the portion are respectively connected to the secondary side connection terminal of the wiring breaker and the primary side connection terminal of the electromagnetic switch (the first half of the first paragraph of the patent application).

According to this configuration, the wiring breaker for branching can be disposed at the stacking position above the electromagnetic switch, and the conductor bars formed by surrounding the power wires connected therebetween by the insulating member can be easily connected. The power wiring between the wiring breaker and the electromagnetic switch is connected without causing wiring errors.

In the present invention, the connecting conductor is divided into: a first connecting conductor, which is disposed on a fixed side surface portion of the wiring breaker, and a fitting recess for connecting is formed at both end portions of the flat conductor rod; a connecting conductor between the secondary side connecting terminal of the wiring breaker and a fitting recess of one side of the first connecting conductor a conductor bar having a shape of at least one of the conductor bars having a fitting convex shape that can be inserted into the fitting recess of the first connecting conductor; and a third connecting conductor on the other side of the first connecting conductor Between the fitting recess and the primary side connecting terminal of the electromagnetic switch a conductor bar having a shape of a word, and at least one of the conductor bars has a fitting convex shape that can be inserted into the fitting recess of the first connecting conductor; and the conductor bars of the second and third connecting conductors can be respectively The secondary side connection terminal of the wiring breaker and the primary side connection terminal of the electromagnetic switch are connected (the second half of the first paragraph of the patent application).

According to this configuration, the connection conductor divided into a plurality of shapes can be formed so that the shape of the conductor bar is matched with the wiring, and the wiring can be connected by fitting.

Further, the power connecting conductor of the present invention further includes a fourth connecting conductor, and is disposed on a fixed side surface portion of the electromagnetic switch in order to connect another second electromagnetic switch to the secondary side of the electromagnetic switch. The four ends of the flat conductor bar are provided with four fitting portions for connection, and the fifth connecting conductor is between the secondary side connecting terminal of the electromagnetic switch and the fitting recess of one side of the fourth connecting conductor. Take a conductor bar having a shape of a word, and at least one of the conductor bars has a fitting convex shape that can be inserted into the fitting recess of the fourth connecting conductor; and a sixth connecting conductor is embedded on the other side of the fourth connecting conductor. Between the recessed portion and the primary side connecting terminal of the second electromagnetic switch a conductor bar having a shape of a word, and at least one of the conductor bars has a shape of a fitting protrusion that can be inserted into the fitting recess of the fourth connecting conductor; and the conductor bars of the fifth and sixth connecting conductors respectively and the electromagnetic switch The secondary side connection terminal of the device and the primary side connection terminal of the second electromagnetic switch are connected (Patent No. 3 of the patent application).

According to this configuration, even if it is required to secure one electromagnetic switch in series, for example, the conductor bar can be used in combination and stacked as a whole.

Further, in the present invention, the first connecting conductor and the fourth connecting conductor preferably have the same shape of the connecting conductor, and the third connecting conductor and the sixth connecting conductor preferably have the same shape of the connecting conductor (Application Patent Range) Items 4 and 5).

According to this configuration, it is not necessary to increase the type of the shape of the split conductor bar, and a common conductor bar can be used, and the fitting connection error can be prevented.

Further, in the present invention, the conductor bars provided in the second, third, fifth, and sixth connecting conductors and connected to the terminals of the wiring breaker or the electromagnetic switch are preferably socket terminals (Application No. 2. Item 6).

With such a configuration, even if the terminal is connected without using a screw member, it can be borrowed Insert to reach the connection.

In the present invention, the second, third, fifth, and sixth connecting conductors are preferably respectively provided with screw holes for fixing the wiring breaker or/and the electromagnetic switch. Fixed bracket connection at the position (patent application item 7).

According to this configuration, both the wiring breaker and the electromagnetic breaker can be fixed to the switchboard in a state of being stacked and connected.

Further, in the present invention, the fitting recess has a pair of holding members that are biased by a spring force, and the fitting convex portion preferably forms a structure that is inserted and engaged between the holding members (Application No. 8 items).

According to this configuration, the fitting portion is pressed and joined by the spring to be firmly fitted.

Further, the power connecting conductor of the present invention is integrally formed: a flat base portion is disposed between a fixed side surface portion of the wiring breaker and a front portion of the electromagnetic switch; and the first horizontal portion and the second horizontal portion are Both ends of the base portion extend in opposite directions to each other; and the conductor bars of the first horizontal portion and the second horizontal portion are respectively connected to the secondary side connection terminal of the wiring breaker and the primary side connection terminal of the electromagnetic switch (Applicant Scope 9).

According to this configuration, since the conductor bars integrally formed by surrounding the power wires with the insulating members are connected, the power wires between the wiring breaker and the electromagnetic switch can be easily connected without causing wiring errors.

Further, the power connection guide system of the present invention further includes a second electromagnetic switch connected to the secondary side of the electromagnetic switch, and the connection conductor is integrally formed with a flat base portion and disposed on the electromagnetic switch. Between the fixed side surface portion and the front surface portion of the second electromagnetic switch; and the first horizontal portion and the second horizontal portion extend from opposite ends of the base portion in opposite directions; and the first horizontal portion and the second horizontal portion The conductor bars of the portion are respectively connected to the secondary side connection terminal of the electromagnetic switch and the primary side connection terminal of the second electromagnetic switch (refer to claim 10).

According to this configuration, even if it is required to secure an electromagnetic switch in series, for example, it can be arranged in a compact manner by using an integrally formed conductor bar.

In the invention of claim 9 or 10, the conductor bar connected to the terminal of the wiring breaker or the electromagnetic switch is preferably a socket terminal (No. 11 of the patent application).

According to this configuration, even if the terminal is connected without using a screw member, the connection can be achieved by insertion.

In the invention of any one of claims 9 to 11, the outer surface of one of the horizontal portions of the connecting conductor is provided with a locking receiving projection, and is opposite to the surface of the electromagnetic switch which is provided with the connecting terminal. a side surface of the protrusion, the protrusion is provided with an elastically deformable fixing piece having a slit-shaped locking hole; and preferably, the locking receiving protrusion and the slit-shaped locking hole are engaged with each other to join the joint Electromagnetic switch (No. 12 in the scope of patent application).

According to this configuration, since the power connecting conductor can be strongly coupled to the device, it can be stacked vertically.

As described above, in the case where the power connecting conductor of the present invention is configured as described above and the wiring breaker and the electromagnetic switch are wired, the following effects can be obtained.

When the wiring breaker and the electromagnetic switch are arranged in a stacking arrangement in the switchboard, by using the connecting conductor, it is possible to use the branch without using a complicated wiring work without causing an increase in the area of the switchboard. The wiring breaker and the electromagnetic switch are stored in the switchboard in a simplified manner, and wiring errors or wiring installations can be reduced. The connection conductor is surrounded by an insulating member, and has a predetermined shape that can be connected to the secondary side terminal portion of the wiring breaker or the electromagnetic switch and the primary side terminal portion of the electromagnetic switch.

Further, by forming a structure capable of plural division, the connection conductor can be connected in an optimum combination depending on the size of the device. Further, by using a plurality of connecting conductors in common, when the problem occurs, the replacement portion can be reduced, and since the fitting method can be arbitrarily engaged and disengaged, the work efficiency at the time of maintenance such as failure is also good.

(Best form of implementing the invention)

Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 are wiring diagrams showing a part of the wiring breaker 1 and the first electromagnetic switch 2a which are branched and connected to the three-phase load side, which are fixedly arranged in a wiring board (not shown); It is formed to be connected to the following part to supply power to the electric load side: three-phase R, S, and T wires, and supply power to the primary side terminal portion 4 of the wiring breaker 1 (MCCB); R (red), The three-phase electric wires of S (white) and T (black) are visually separated, and are connected from the secondary side terminal portion 5 to the primary side connection terminal portion 6 of the first electromagnetic switch 2a (MC1); and the first The secondary side of the electromagnetic switch 2a is connected to the terminal portion 7.

As shown in FIG. 3, both the wiring breaker 1 (MCCB) and the first electromagnetic switch 2a (MC1) are placed in the positional relationship of the fixed arrangement in the switchboard: the first electromagnetic switch 2a is provided below, and the wiring is provided. The circuit breaker 1 is placed above. The secondary side of the wiring breaker 1 in this configuration and the primary side of the first electromagnetic switch 2a are connected in this manner. Moreover, the wiring portion 3 in the range enclosed by the broken line in FIG. 3 coincides with the connection line corresponding to the portion (wiring portion 3) indicated by the broken line in FIGS. 1 and 2.

The power connecting conductor according to the first embodiment of the present invention includes the first connecting conductor 15 and has a flat plate shape and is disposed on the fixed side surface portion 8 of the wiring breaker 1; the second connecting conductor 13 is a word shape disposed between the secondary side connection terminal 5 of the wiring breaker 1 and the first connecting conductor 15; and the third connecting conductor 14 The shape is arranged between the first connecting conductor 15 and the primary side connecting terminal portion 6 of the first electromagnetic switch 2a. Then, by connecting the first, second, and third connecting conductors 15, 13, and 14 to each other, the wiring breaker 1 is placed at a position overlapping the front side of the first electromagnetic switch 2a.

First, the first connecting conductor 15 shown in FIG. 3 is provided. The first connecting conductor 15 is provided between the wiring breaker 1 and the first electromagnetic switch 2a, and is configured to be electrically disconnected. The fixed side portion 8 of the device 1. As shown in Fig. 4(a), the first connecting conductor 15 has a rectangular plate shape as a whole, and includes a rod-shaped metal conductor rod 22 which is a power conductor corresponding to the number of phases of the power supply electric power (Fig. 4(a) The dotted line indicates that, for example, if the number of phases is three phases, there are three metal conductor bars 22; the conductor bars 22 have the same length, width and thickness and are surrounded by the insulating member 23. For example, guide The body rod 22 has a length of 7 mm and a thickness of 3.5 mm, and is formed in a state of being integrally formed by surrounding the respective conductor bars 22 with the insulating member 23 made of synthetic resin, and is formed to have, for example, a width of 90 mm and a thickness of 10 mm. The fixed side portions 8 are identical or larger than the plate shape.

The metal of the conductor bar 22 may be a conductor suitable for supplying power such as copper, copper alloy or aluminum. Further, the insulating member 23 may be a non-conductive resin such as an epoxy resin or a bismuth resin. The rod-shaped metal conductor rods 22 are provided with fitting recesses 16 and 16a at their respective ends, and the conductor rods 11a of the exposed portions, which are fitting projections, which will be described later, are inserted into the fitting recesses 16 and 16a to be joined and joined. The conductor bar 11a is formed by exposing a portion of the conductor metal not surrounded by the insulating resin. The plane of the first connecting conductor 15 is provided with fixing holes 17a and 17b for fixing to the circuit breaker 1 for wiring, for example.

As shown in FIG. 5, the fitting recesses 16, 16a have a pair of lower holding members 31 and upper holding members 32 which are formed of the same metal as, for example, the conductor bars 22, and are crimped by a spring force bias. At this time, the lower holding member 31 located on the lower side is provided with an inclined surface portion 31a that is bent downward toward the outer end portion, and a corrugated portion 31b that is flexibly connected to the proximal end side of the inclined surface portion 31a. On the other hand, the upper holding member 32 located on the upper side is provided with a pressing portion 32a having a substantially semi-cylindrical shape, and a front end portion and a flat portion 31c on the proximal end side of the corrugated portion 31b connected to the lower holding member 31. The crimping portion 32b is bent substantially in a crank shape to the proximal end side of the pressing portion 32a, and the holding portion 32c is bent from the proximal end side of the bent portion 32b to the distal end side to abut against the lower holding member 31. The bottom surface side of the flat portion 31c.

Next, the second connecting conductor 13 and the third connecting conductor 14 that are fitted and fitted to the fitting recesses 16 and 16a with the first connecting conductor 15 will be described with reference to Fig. 3 . The shapes of the second connecting conductor 13 and the third connecting conductor 14 are both formed The shape of the first connecting conductor 15 is the same as that of the first connecting conductor 15 except for the fitting recesses 16 and 16a at both ends.

As shown in FIG. 4(b), the second connecting conductor 13 processes the metal conductor bars 20 of the same length into electrical length numbers. The shape of the word is surrounded by the insulating member 21, and the fitting convex portion is Rod-shaped conductor bars 10a and 11a of, for example, about 20 mm, which are not surrounded by the insulating member 21, are protruded at both end portions of the shape, and one of the conductor bars 11a is inserted and fitted (inserted) into the first connecting conductor 15 The recessed portion 16a and the other conductor rod 10a are engaged with the secondary side terminal portion 5 of the wiring breaker 1. At this time, the conductor bar 10a is provided with the fixing hole 10c, and the screw may be penetrated and fixed to the terminal part of the circuit breaker 1 for wiring. also, A fixing hole 12a for fixing to a fixing bracket 33a to be described later is provided at a substantially central portion of the character portion.

Since the third connecting conductor 14 has the same configuration and length as the second connecting conductor 13, the detailed description thereof will be omitted. Further, in the third connecting conductor 14, the conductor bar 10b on one of the conductor bars 10b and 11b is provided with a fixing hole 10c, and the screw may be inserted and fixed in response to the terminal portion of the first electromagnetic switch 2a. also, A fixing hole 12b is provided in a substantially central portion of the word portion.

FIG. 6 is a perspective view showing a state in which the connection breakers are combined and the wiring breaker 1 and the first electromagnetic switch 2a are connected. By connecting the first to third connecting conductors 15, 13, and 14 in combination, the wiring breaker 1 can be placed in the front direction of the first electromagnetic switch 2a. Therefore, the installation area of the first electromagnetic switch 2a is only required for the arrangement area of the switchboard. In this state, when it is placed and fixed in the switchboard, the L-shaped fixing bracket 33a is used as shown in Fig. 9 so as not to fall off due to vibration or looseness of the fitting connection. The screw hole 34c of the fixing bracket 33a and the fixing hole 12a are screwed and fixed from the fixing bracket side by the screw 36, and the fixing side surface portion 9 of the first electromagnetic switch 2a and the screw hole of the fixing bracket 33a are transmitted through the screw 37. 34a and 34b are screwed and fixed, and then screwed to the bracket mounting holes 35a and 35b by screws (not shown) to fix the fixing bracket 33a and the switchboard.

Next, another embodiment to which the present invention is applied will be described. Fig. 7 is a circuit in which the second electromagnetic switch MC2 is added in series to the wiring diagram of Fig. 1 in accordance with safety requirements. In the other embodiment, the secondary side terminal portion 7 of the first electromagnetic switch 2a and the primary side connecting terminal portion 6A of the second electromagnetic switch 2b (MC2) are connected to each other in a manner corresponding to FIG. The wiring breaker 1 and the first electromagnetic switch 2a and the second electromagnetic switch 2b are continuously connected to the wiring surrounded by the broken line 3a. At this time, as described above, in order to reduce the installation area in the switchboard, the portions are formed in such a manner as to be continuously stacked in the lateral direction with respect to the front surface of the apparatus.

Next, the configuration of another embodiment will be described with reference to Fig. 8 . Here, the wiring is broken. The connection between the router 1 and the primary side connection terminal portion 6 of the first electromagnetic switch 2a, and the detailed description of the first connection conductor 15, the second connection conductor 13, and the third connection conductor 14 will be omitted. .

The structure of the fourth connecting conductor 25 disposed between the first electromagnetic switch 2a and the second electromagnetic switch 2b is the same as that of the first connecting conductor 15, and is provided at both ends in the longitudinal direction. The fitting recesses 29a and 29b are formed. The fourth connecting conductor 25 is provided with fixing holes 18a and 18b, and the cymbal can be fixed to the fixed side surface portion 9 of the first electromagnetic switch 2a by screws. The fifth connecting conductor 24 and the sixth connecting conductor 26 are the same as the second connecting conductor 13 illustrated in FIG. 4(b). The shape of the word is different from the length of the conductor bar 27a (27b) of the exposed portion, that is, the fitting portion of the one end portion, and the length of the conductor bar 28a (28b) of the exposed portion of the other side. Further, the connecting conductors 24, 26 are provided with fixing holes 12c, 12d for fixing to the fixing bracket 33b whose horizontal piece is longer than the fixing bracket 33a, regardless of whether they are used or not. Further, since the fixing bracket 33b is the same as the fixing bracket 33a except that the wiring breaker 1, the first electromagnetic switch 2a, and the second electromagnetic switch 2b are connected, the same portions are denoted by the same reference numerals. The description is omitted.

In this way, the wiring breaker 1, the first electromagnetic switch 2a, and the second electromagnetic switch 2b are continuously connected in one direction. Further, the same shape can be used for both the sixth connecting conductor 26 and the third connecting conductor 14. Therefore, it is not necessary to increase the type of configuration of the shape of the connecting conductor as the connecting member. In this way, even if the connection is continuous, the wiring can be connected without complicating the wiring. Further, even in the case where the wiring breaker 1, the first electromagnetic switch 2a, and the second electromagnetic switch 2b are connected to each other without using a socket terminal that is screwed and fixedly connected, the fitting can be inserted. The portion is exposed so that the conductor bars 10a and 10b are exposed, and wiring errors can be prevented, and the connection time can be shortened.

10(a) to 10(c), the connection of the connection conductors 40, 41 to the first electromagnetic switch 2a and the second electromagnetic switch 2b will be described; this connection has the following features: power according to the present invention When the wiring is connected by the connecting conductor, the wiring breaker 1a, the first electromagnetic switch 2a, or the second electromagnetic switch 2a can be used without using the L-shaped fixing brackets 33a and 33b described above with reference to Figs. 8 and 9 . Electromagnetic switch 2b is connected and stuck After the connection, it is fixed to the switchboard.

As shown in Fig. 10 (a), in order to connect the secondary side terminal portion of the connection wiring breaker 1a and the primary side terminal portion of the first electromagnetic switch 2a to each other in such a manner that the electric devices are laterally connected in one direction, The connection conductor 40 is held between the fixed side surface portion of the wiring breaker 1a and the front surface portion of the first electromagnetic switch 2a. The structure of the connecting conductor 40 is the same as the above-described structure except that the locking receiving portion 42 having the arrow direction A shown in FIG. 10( c ) is provided, and the connecting conductor 40 is not integrally formed as a divided structure. the same. At this time, the integrated connecting conductor 40 includes a flat base portion 40a disposed between the fixed side surface portion of the wiring breaker 1a and the front surface portion of the electromagnetic switch 2a, and the first horizontal portion 40b and the second horizontal portion 40c. Both ends of the base portion 40a are bent perpendicularly to the base portion 40a, and extend in directions opposite to each other. At the end portion of the first horizontal portion 40b of the integrated connecting conductor 40, the conductor bar 46 protrudes in parallel with the base portion 40a. At the end portion of the second horizontal portion 40c, the conductor bar 47 protrudes in parallel with the base portion 40a. Further, a pair of substantially rectangular locking receiving projections 42 are provided on opposite sides of the outer surface of the first horizontal portion 40b.

Further, the first electromagnetic switch 2a is provided with a member for locking connection as indicated by an arrow direction B, that is, a fixing piece 43, a locking piece 44, and a slit-shaped locking hole 45, and a general electromagnetic The switch is the same. At this time, the fixing piece 43 is formed of an elastically deformable elastic synthetic resin, and the protrusion is provided on the surface of the first electromagnetic switch 2a opposite to the surface on which the socket terminal is provided; the bifurcated card on the protruding side The stopper piece 44 is provided with a rectangular slit-shaped locking hole 45 (see FIG. 10) that engages with the locking receiving projection 42 in a disengageable manner.

Next, the wiring and the locking connection will be described. First, the first horizontal portion 40b having the locking receiving convex portion 42 of the connecting conductor 40 is the lower side, and the second horizontal portion 40c having the locking receiving convex portion 42 is the upper side, and the conductor on the upper side of the connecting conductor 40 is used. The rod 47 is inserted and crimped (interposed) to the primary side socket terminal of the first electromagnetic switch 2a. Then, the conductor bars 46 of the first horizontal portion 40b located on the lower side of the connection conductor 40 are similarly inserted and pressed into the secondary side terminal portion 5 of the wiring breaker 1a or screwed.

Then, the locking portions located at the positions of the arrow direction A and the arrow direction B described above are connected. At this time, when the connection is as shown in FIG. 10(b), the slit-shaped card is used. Both the stopper hole 45 and the locking receiving convex portion 42 are engaged (fitted). Further, FIGS. 10(a) and 10(b) also include a case where both the first electromagnetic switch 2a and the second electromagnetic switch 2b are connected. In this case, the integrated connection conductor 41 having the same configuration as the connection conductor 40 is connected to the second electromagnetic switch 2b, and then the wiring breaker 1a and the first electromagnetic switch 2a are connected to each other. The conductor bar 48 of the first horizontal portion 40b on the lower side of the connection conductor 41 is connected to the secondary side socket terminal of the electromagnetic switch 2a. Thereafter, the locking member provided in the arrow direction C and the arrow direction D, that is, the slit-shaped locking hole 45 of the fixing piece 43 and the locking receiving portion 42 are engaged (fitted) and coupled. Moreover, the conductor bar 49 of the second horizontal portion 40c located above the connection conductor 41 is inserted and connected to the primary side connection terminal portion 6A of the second electromagnetic switch 2b.

Thereby, even if the L-shaped fixing bracket is not used, the connection can be performed, and the time of the connection work can be further shortened. Moreover, since the horizontal connection is possible, the installation area in the switchboard can be reduced.

Next, another example in which the wiring breaker 1 and the first electromagnetic switch 2a (MC1) are laterally overlapped will be described with reference to Fig. 11 . First, the fixed side surface portion 8 of the wiring breaker 1 and the fixed base 50 are screwed and fixed by using the screw hole 60a. Next, the first electromagnetic switch 2a (MC1) having the fixed side surface portion 9 of the first electromagnetic switch 2a (MC1) fixed to the inside of the rectangular columnar structure box 51 is fixed. The bottom surface 54 has at least four open structures. Then, the fixing base 50 to which the wiring breaker 1 is fixed is fixed in the direction in front of the first electromagnetic switch 2a (MC1) in the square columnar structure case 51 by a fixing mechanism that can be arbitrarily engaged and disengaged. The fixing mechanism may be the locking structure described in the above-described FIG. 10(c), and may be any structure that is generally considered to be arbitrarily engageable and detachable. Further, the locking convex portion 52 may be provided on the side surface opposite to the outer side of the fixed base 50, and the locking concave portion 53a may be provided at the position of the rectangular columnar structural box 51 corresponding to the locking convex portion 52, and the locking portion 53a may be locked. The convex portion 52 is fitted and fixed to the locking concave portion 53a.

Further, as shown in FIG. 12, when the second electromagnetic switch 2b (MC2) is additionally mounted, the four-corner columnar structural box 51 having the locking convex portion 55 on the side surface opposite to the outer side of the two bottom surfaces 54 can be prepared. The second electromagnetic switch 2b (MC2) may be provided by engaging the locking convex portion 55 with the locking concave portion 53a. Moreover, the mounting can be the connecting conductor of the invention For the connection between electrical equipment, it is of course also possible to connect the leads as in the past.

1, 1a‧‧‧ wiring circuit breaker (MCCB)

2a, 2b‧‧‧Electromagnetic switch (MC1), (MC2)

3, 3a‧‧‧ wiring department

4‧‧‧ Primary side connection terminal part of wiring circuit breaker

5‧‧‧Second-side connection terminal of wiring circuit breaker

6, 6A‧‧‧ primary side connection terminal of electromagnetic switch

7‧‧‧Second side connection terminal of electromagnetic switch

8‧‧‧Fixed side parts of wiring circuit breakers

9‧‧ ‧ fixed side of the electromagnetic switch

10a, 10b, 11a, 11b, 20, 22, 27a, 27b, 28a, 28b, 46, 47, 48, 49‧‧‧ conductor bars

10c, 12a, 12b, 12c, 12d, 17a, 17b, 18a, 18b‧‧‧ fixing holes

13‧‧‧2nd connecting conductor

14‧‧‧3rd connecting conductor

15‧‧‧1st connecting conductor

16, 16a, 29a, 29b‧‧‧ fitting recess

21, 23‧‧‧Insulating components

24‧‧‧5th connecting conductor

25‧‧‧4th connecting conductor

26‧‧‧6th connecting conductor

30‧‧‧Socket terminal clip

31‧‧‧ Lower clamping member

31a‧‧‧Sloping face

31b‧‧‧ Wave Department

31c‧‧‧flat

32‧‧‧Upper holding member

32a‧‧‧Pushing Department

32b‧‧‧Flexing Department

32c‧‧‧ Holding Department

33a, 33b‧‧‧ fixing bracket

34a, 34b, 34c, 60a‧‧‧ screw holes

35a, 35b‧‧‧ bracket mounting holes

36, 37‧‧‧ screws

40, 41‧‧‧ integral connecting conductor

40a‧‧‧ flat base

40b‧‧‧1st horizontal department

40c‧‧‧2nd horizontal department

42‧‧‧Accepting the convex part

43‧‧‧Fixed tablets

44‧‧‧Card tablets

45‧‧‧Slit-shaped locking holes

50‧‧‧Fixed base

51‧‧‧Four-corner structural box

52, 55‧‧ ‧ locking convex

53a‧‧‧Card recess

54‧‧‧ bottom

A, B, C, D‧‧‧ arrow directions

R, S, T‧‧‧ phase

Fig. 1 is a wiring diagram showing an electric circuit of a power connecting conductor according to the present invention.

Fig. 2 is a schematic perspective view showing a physical wiring of a conventional electric circuit.

Fig. 3 is an exploded perspective view showing the configuration of a connecting conductor between the connected electric devices according to the present invention.

Fig. 4 (a) is a front view showing a first connecting conductor in the present invention, and Fig. 4 (b) is a perspective view showing a second connecting conductor in the present invention.

Fig. 5 is a perspective view showing the configuration of a fitting recess used in the connecting conductor according to the present invention.

Fig. 6 is a perspective view of the above-described connecting conductor to be connected to an electric device.

Fig. 7 is a wiring diagram showing a circuit in which the above-described electric circuit is further connected to the electromagnetic switch.

Fig. 8 is an exploded perspective view showing the configuration of a connecting conductor between the connected electric devices according to the present invention.

Fig. 9 (a) is a perspective view showing a state in which an electric device to which the above-described connecting conductor is applied is fixed by a fixing bracket, and Fig. 9 (b) is a cross-sectional view of the fixing bracket.

Figure 10 (a) is a perspective view showing another embodiment of the present invention, Figure 10 (b) is a perspective view showing a state in which the device is connected by the present invention, and Figure 10 (c) is a view showing the connection conductor of the present invention. A perspective view of a locking portion to which the electromagnetic switch is coupled.

Figure 11 is a perspective view showing a state before the electrical devices are arranged in front of the electromagnetic switch in the present invention.

Fig. 12 is a perspective view showing a state before the two above-described structures are joined.

1. . . Wiring circuit breaker (MCCB)

2a. . . Electromagnetic switch (MC1), (MC2)

3. . . Wiring department

4. . . Primary side connection terminal portion of wiring circuit breaker

5. . . Secondary side connection terminal portion of wiring circuit breaker

6. . . Primary side connection terminal portion of electromagnetic switch

7. . . Secondary side connection terminal portion of electromagnetic switch

R, S, T. . . phase

Claims (12)

A connecting conductor for electric power is connected to a connection terminal of an electric device such as a circuit breaker and an electromagnetic switch, and is connected to each other by a conductor bar, wherein the conductor bar is configured to each of a plurality of electric power phases by an insulating member The power wires are integrally formed to be spaced apart from each other; the connecting conductor has at least a flat portion disposed between the fixed side surface portion of the wiring circuit breaker and a front portion of the electromagnetic switch, and two of the flat portions The conductor bars on the end side are respectively connected to the secondary side connection terminal of the wiring breaker and the primary side connection terminal of the electromagnetic switch; and the connection conductor is divided into: a first connection conductor, and is disposed in the wiring breaker The side surface portion is fixed, and the fitting recessed portion for connection is provided at both end portions of the conductor bar formed in a flat shape; and the second connecting conductor is connected to the secondary side connecting terminal of the wiring breaker and the first connecting conductor Between the fitting recesses on one side, a conductor bar having a shape of at least one of the conductor bars having a fitting convex shape that can be inserted into the fitting recess of the first connecting conductor; and a third connecting conductor on the other side of the first connecting conductor Between the fitting recess and the primary side connecting terminal of the electromagnetic switch a conductor bar having a shape of a shape, and at least one of the conductor bars has a fitting convex shape that can be inserted into the fitting recess of the first connecting conductor; and the conductor bars of the second and third connecting conductors respectively The secondary side connection terminal of the wiring breaker and the primary side connection terminal of the electromagnetic switch are connected. The power connecting conductor according to claim 1, wherein the conductor bars provided in the second and third connecting conductors and connected to the terminals of the wiring breaker or the electromagnetic switch are socket terminals. The power connecting conductor according to the first aspect of the invention, further comprising: a fourth connecting conductor, wherein the second electromagnetic switch is connected to the secondary side of the electromagnetic switch, and is disposed on a fixed side surface of the electromagnetic switch And a fitting recess for connecting is formed at both end portions of the conductor bar formed in a flat shape; and the fifth connecting conductor is fitted to one side of the fourth connecting conductor of the electromagnetic switch. Between the recesses, a conductor bar having a shape of a word, and at least one of the conductor bars has a fitting convex shape that can be inserted into the fitting recess of the fourth connecting conductor; and a sixth connecting conductor is embedded on the other side of the fourth connecting conductor. Between the recessed portion and the primary side connecting terminal of the second electromagnetic switch a conductor bar having a shape of a word, and at least one of the conductor bars has a shape of a fitting protrusion that can be inserted into the fitting recess of the fourth connecting conductor; and the conductor bars of the fifth and sixth connecting conductors respectively and the electromagnetic switch The secondary side connection terminal of the device and the primary side connection terminal of the second electromagnetic switch are connected. The power connecting conductor according to claim 3, wherein the first connecting conductor and the fourth connecting conductor are connecting conductors having the same shape. The power connecting conductor according to claim 3, wherein the third connecting conductor and the sixth connecting conductor are connecting conductors having the same shape. The power connecting conductor according to claim 3, wherein the conductor bars provided in the second, third, fifth, and sixth connecting conductors and connected to the terminals of the wiring breaker or the electromagnetic switch are Socket terminal. The power connecting conductor of claim 3, wherein the second, third, fifth, and sixth connecting conductors are respectively provided with a screw hole for fixing the wiring breaker or / and the fixed bracket connection of the position of the electromagnetic switch. The power connecting conductor according to claim 1, wherein the fitting recess has a pair of holding members that are biased by a spring force, and the fitting convex portion is inserted and engaged between the holding members. The power connecting conductor according to the first aspect of the invention is integrally formed with a flat base portion disposed between a fixed side surface portion of the wiring breaker and a front portion of the electromagnetic switch; and the first horizontal portion and the first horizontal portion 2 horizontal portions extending from opposite ends of the base portion in opposite directions; and the conductor bars of the first horizontal portion and the second horizontal portion are respectively connected to the secondary side connection terminal of the wiring breaker and the electromagnetic switch The side connection terminals are connected. The power connecting conductor according to the first or ninth aspect of the patent application, further comprising a second electromagnetic switch connected to the secondary side of the electromagnetic switch The connecting conductor is integrally formed with a flat base portion disposed between the fixed side surface portion of the electromagnetic switch and the front surface portion of the second electromagnetic switch, and the first horizontal portion and the second horizontal portion from the base portion The both ends extend in opposite directions to each other; and the conductor bars of the first horizontal portion and the second horizontal portion are respectively connected to the secondary side connection terminal of the electromagnetic switch and the primary side connection terminal of the second electromagnetic switch. The power connecting conductor according to claim 9, wherein the conductor bar connected to the wiring breaker or the terminal of the electromagnetic switch is a socket terminal. The power connecting conductor according to claim 9 is characterized in that the outer surface of one of the horizontal portions is provided with a locking receiving convex portion, and a protrusion is provided on a surface of the electromagnetic switch opposite to the surface on which the connecting terminal is provided. An elastically deformable fixing piece having a slit-shaped locking hole is opened; and the locking receiving protrusion and the slit-shaped locking hole are engaged to engage and engage the electromagnetic switch.