TWI448027B - Electric equipment for wiring - Google Patents

Description

Electrical equipment for wiring

The present invention relates to an electric device for wiring that electrically connects, for example, a wiring breaker provided in a distribution board to an electrical device such as an electromagnetic switch.

In general, for example, a three-phase 200V main wiring breaker in the distribution board is provided with two times of the wiring breaker (MCCB: Molded Case Circuit Breaker) provided on the connected electric load side electric wire. The side of the electromagnetic switch connected to the side is arranged side by side in a linear arrangement in the distribution board and connected by wires using a terminal connection to supply power to the electrical equipment on the load side. Such a technique has been Known for people.

Further, in the main wiring breaker, a bus bar is provided on the power supply branch wiring for the electric power distribution on the plurality of load sides, and the bus bar is formed by processing the conductor metal into a rod shape and processing by conductor metal processing. The conductor plate is connected between the devices, and is connected to the primary side terminal of the wiring side breaker for the load side in a state where, for example, the three phases are separated by a predetermined interval. Such a technique is also known. (See, for example, Patent Document 1).

In addition, the power supply wire, that is, the conductor plate, which is used to connect the three-phase sub-connector, and the I-type connection copper plate for the busbar board in the distribution board It is known (for example, Patent Document 2).

[Practical Technical Literature]

[Patent Literature]

[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 busbar for the branching of the mains is connected to the shunting device for the branching, but the branching breaker and the electric device are connected to each other. The configuration in the disc is related to the use of wire connections. Therefore, when the electrical load side is plural or when the size of the distribution board is limited, it takes time and effort to connect the wiring, and the wiring requires a relatively large amount of labor. In addition, wiring may be complicated as a result, and it may be more likely to cause wiring errors.

In addition, when the size of the distribution board is limited and the electric load side is large, the required electrical equipment will of course increase, and the installation area of the electrical equipment will also increase correspondingly, which will result in an increase in installation area and an increase in cost. .

In view of the above problems, it is an object of the present invention to provide a power connecting conductor which does not cause an increase in the area of the distribution board and which does not require complicated wiring steps, and can simplify the electrical equipment such as the breaker for disconnecting the wiring and the electromagnetic switch. The ground is housed in the distribution board, and wiring errors or wiring assembly steps are also reduced.

In order to solve the above problem, the wiring electrical device of the present invention includes a wiring breaker electrically connected to the power source side wiring, and an electrical device electrically connected to the wiring breaker, wherein the wiring is used for wiring The circuit breaker includes a connection terminal portion for connecting to the wiring on the electrical primary side, and a first socket terminal portion having an electrical secondary side on a joint surface for bonding and connecting the electric device, the electrical device The front joint surface to be joined and connected to the wiring breaker includes a first plug terminal portion for connection to the first socket terminal portion, and the first plug terminal portion is disposed on the rear joint surface. The second socket terminal portion is provided at a position on the front joint surface to engage the wiring breaker (request 1) in front of the electric device.

With these structures, the joint surface of the wiring breaker can be brought into contact with the front joint surface of the electric device, and the socket terminal portion of the wiring breaker can be electrically connected to the plug terminal portion of the electric device. The structure of the electrical device can be simplified and the size of the electrical device can be reduced.

Further, in the present invention, the second electric device for electrically connecting to the secondary side of the electric device is further provided, and the second electric device is provided on the front joint surface for joining and connecting the electric device to the second electric device. a second plug terminal portion for connecting the socket terminal portion, and a third socket terminal portion is provided at a position of the rear joint surface corresponding to the position at which the second plug terminal portion is disposed on the front joint surface, in the second electric portion The electrical device is attached to the front of the device (request 2).

With such a configuration, even in the case of, for example, a safety specification requiring an additional electrical device in series, the electrical device can be used in combination to join the entire body while setting the structure of the plurality of electrical devices to the same shape.

Further, in the present invention, the electric device and the second electric device can be set to electromagnetic switches of the same shape (request item 3).

With these structures, it is not necessary to increase the shape of the electrical equipment for wiring, and it is possible to use common electrical equipment and prevent joint (connection) errors.

Further, in the present invention, a fixed contact and a movable contact disposed between the first plug terminal portion and the second socket terminal portion may be provided inside the electromagnetic switch, and the movable contact may be fixed with respect to the fixed contact. The contact moves in the up and down direction to form an opening and closing structure (request item 4). At this time, an electromagnetic coil that moves the movable contact in the up and down direction and a core structure that is connected to the electromagnetic coil and moved in the vertical direction may be disposed inside the electromagnetic switch (claim 5). .

With these configurations, even if an electrical problem occurs in the distribution board, the connection between the fixed contact and the movable contact can be easily released, thereby improving safety.

Further, in the present invention, the locking portion and the locking receiving portion that can be engaged or detached from each other may be attached to one of the joint surfaces of the wiring breaker and the electric device. The locking member is configured to form a configuration in which the wiring breaker and the electric device are detachably joined by the locking member (claim 6).

With these configurations, the wiring member can be detachably engaged with the electrical device by the locking member.

Further, in the present invention, one of the one end sides of the joint surface to which the wiring breaker and the electric device are joined to each other may be respectively provided with a locking portion and a locking portion that can be engaged or disengaged from each other. The receiving portion constitutes a locking member, and the socket terminal portion and the plug terminal portion (claim item 7) are provided on the other end side of the joint surface. In this case, the locking member is preferably provided by one of the engagement surfaces of the wiring breaker and the electrical device, and is elastically deformable, and the other of the engagement surfaces, and is detachably coupled to the card. The locking receiving portion of the stopper is formed (request item 8).

With these structures, the socket terminal portion of the joint surface is connected to the plug terminal portion in a state where the wiring breaker is joined to the joint surface of the electric device or the joint surface between the electric devices. The other end side locking member fixes the wiring breaker and the joint surface of the electric device or each electric device. At this time, the locking member is elastically deformable by one of the joint surfaces of the wiring breaker and the electric device, and the other of the engagement surfaces, and is engageable with the locking portion in a detachable manner. The locking receiving portion is configured to secure the wiring breaker with the electric device or the electrical device in a one-touch manner by the so-called snap-fit engagement.

As described above, the electrical equipment for wiring of the present invention has the following effects because of the above-described structure.

Since the joint surface of the wiring breaker can be brought into contact with the joint surface of the electric device, and the socket terminal portion of the wiring breaker is electrically connected to the plug terminal portion of the electric device, the wiring breaker and the electric breaker are used. No wiring is required between the devices, which reduces the number of parts and the number of wiring constructions, while reducing wiring errors and improving quality. In addition, since electrical equipment of the same shape is used, it is not necessary to increase the shape of the electrical equipment for wiring, and common electrical equipment can be used.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 and FIG. 2 are wiring diagrams showing a part of the branching wiring breaker 1 and the electromagnetic switch 2a which are wired and fixed and are provided in the distribution board not shown in the drawing, and are distributed to the three-phase load side. The three-phase R, S, and T supplied from the primary-side terminal portion 4 of the interrupter 1 (MCCB) are connected to the primary-side terminal portion 6 of the electromagnetic switch 2a (MC1) from the secondary-side terminal portion 5 in a visual sense. A three-phase electric wire that is divided into three colors of R (red), S (white), and T (black) is connected to the secondary side connection terminal portion 7 of the electromagnetic switch 2a to supply power to the electric load side.

As shown in FIG. 3 and FIG. 4, the positional relationship of the fixed arrangement in the distribution board is such that the wiring breaker 10 (MCCB) is joined and connected to the front of the electric device 20 (hereinafter referred to as the electromagnetic switch 20). In this arrangement, the electrical secondary side of the wiring breaker 10 is connected to the primary side of the electromagnetic switch 20. The joint surface 13 is formed on the back side of the wiring breaker 10, and is in contact with the front joint surface 21 formed on the front surface of the electromagnetic switch 20 to be described later. At this time, the receptacle terminal portion 30 (hereinafter referred to as the receptacle terminal metal member 30) which is the secondary side terminal portion provided at the lower end portion of the joint surface 13 of the wiring breaker 10 can be joined to the front side of the electromagnetic switch 20 The plug terminal 22 of the lower end portion of the face 21 is electrically connected. Further, the area of the joint surface 13 of the wiring breaker 10 and the front joint surface 21 of the electromagnetic switch 20 can be changed in accordance with the wiring breaker 10 and the electromagnetic switch 20, and for example, a size of 150 mm in length and 75 mm in width can be formed.

First, the wiring breaker 10 to which the electromagnetic switch 20 of the present invention is connected will be described. As shown in FIG. 3, the top surface 80 of the wiring breaker 10 is provided with a plurality of connection terminal portions for the busbar plates, that is, the socket terminal metal members 30A, and the socket terminal metal, on the same line. The piece 30A is connectable to the plug terminal 8a projecting from the bus bar 8.

At this time, the top surface 80 of the casing 10A constituting the wiring breaker 10 is set to have a height difference, and the socket terminal metal fitting 30A is disposed in the casing 10A so as to face the opening 81. The socket terminal metal fitting 30A is provided with a pair of holding members 31, 32 which are pressed by a spring force and are pressed together.

In addition, as shown in FIG. 5 to FIG. 7 , rectangular recesses 16 which are horizontally parallel to each other are provided at a plurality of positions on the lower end side of the joint surface 13 of the wiring breaker 10, for example, at three positions. The socket terminal metal member 30 can be housed in the recess 16 . The socket terminal metal fitting 30 is provided with a pair of holding members 31 and 32 that are pressed against each other by a spring force. At this time, the lower holding member 31 located on the lower side is provided with an inclined surface 31a that is bent downward at the outer end portion, and a corrugated portion 31b that is bent and joined to the proximal end side of the inclined surface 31a. On the other hand, the upper holding member 32 located on the upper side is provided with a substantially semi-cylindrical pressing portion 32a that presses the flat portion 31c that is coupled to the proximal end side of the corrugated portion 31b of the lower holding member 31 at the outer end portion. The curved portion 32b is bent to have a substantially crank shape on the proximal end side of the pressing portion 32a, and the holding portion 32c is bent from the proximal end side toward the distal end side of the curved portion 32b to abut against the flat portion of the lower holding member 31. The bottom side of the 31c. Further, the vertical portion 32d of the curved portion 32b of the upper holding member 32 is provided with a through window 32e through which the lower holding member 31 can be inserted (see FIG. 7(a)).

Further, on the front surface on the opposite side of the joint surface 13 of the wiring breaker 10, that is, the vertical surface 80b on the front side of the top surface 80, a releasing member for releasing the spring force of the socket terminal metal fitting 30A (screw) is provided. A tool such as a screwdriver or an insertion pin can be inserted into the insertion hole 82. A release member such as a screwdriver or an insertion pin is inserted into the insertion hole 82, and the bent portion 32b of the socket terminal metal member is pressed to release the connection of the plug terminal 8a of the bus bar 8.

Further, a plurality of (for example, three) bus bar plates 8 connected to the socket terminal metal fitting 30A disposed on the top surface 80 of the wiring breaker 10 are provided with plate-like plug terminals 8a that are suspended in a crank shape toward the lower end portion. . Further, the plug terminal 8a does not have to be a plate shape that is suspended in a crank shape, and may be, for example, a cable or a plate-like terminal. Further, as shown in FIG. 3, the plurality of busbar plates 8 are stacked in the horizontal direction via a plate-shaped insulator 8b made of synthetic resin, and all of the busbar plates 8 are roughly cross-sectionally formed. The insulating cover 8c made of a synthetic resin covers the top surface and the left and right side surfaces. If the plurality of busbars 8 are overlapped by the insulators 8b and all of the busbars 8 are covered by the insulating cover 8c and the left and right sides, the spatial insulation distance of the busbars 8 is not required, and the electrical protection structure is not required.

By arranging the socket terminal metal fitting 30A for the busbar board on the top surface 80 of the wiring breaker 10, the structure of the joint surface 13 of the wiring breaker 10 can be simplified, and the wiring can be interrupted. After the device 10 is engaged with the electromagnetic switch 20, the wiring breaker 10 can be connected to the bus bar 8.

Next, an electromagnetic switch 20 connected to the above-described wiring breaker will be described. As shown in FIG. 4, a plug terminal 22, which is a first plug terminal portion, is inserted into the lower end portion side of the front joint surface 21 of the electromagnetic switch 20, and is inserted into and engaged with the holding member 31 of the first socket terminal metal member 30, Between 32, the first socket terminal metal member 30 is provided on the wiring breaker 10. The plug terminal 22 has a plate-like board terminal piece 22a. When the wiring breaker 10 is engaged with the electromagnetic switch 20, the board terminal piece 22a is inserted against the spring force and is engaged with the holding member 31 of the socket terminal metal member 30. Between 32.

Further, a rectangular cylindrical body 22b that surrounds and protects the plug terminal 22 is protruded from the front joint surface 21 of the electromagnetic switch 20. The cylindrical body 22b is detachably inserted into the housing of the socket terminal metal member 30 provided on the wiring breaker 10 In the recessed portion 16, in a state in which the wiring breaker 10 is joined to the electromagnetic switch 20, the tubular body 22b is fitted into the housing recess 16 to make the wiring breaker 10 and the electromagnetic switch 20 stronger and stronger.

At this time, the plug terminal 22 is disposed on the fixed contact 24b of the fixed contact 24b, 24c, and the fixed contact 24b can be electrically connected to the movable contact 24a, and the movable contact 24a is energized by the electromagnetic coil 23 In response, the electromagnetic coil 23 is disposed in the electromagnetic switch 20. The other fixed contact 24c is connected to the socket terminal fitting 30B which is a second socket terminal portion provided on the rear joint surface 21A of the electromagnetic switch 20, that is, the rear joint surface 21A. The second socket terminal metal fitting 30B has the same structure as the socket terminal metal fitting 30 provided on the wiring breaker 10, and the same portions are denoted by the same reference numerals, and their description will be omitted. Further, the socket terminal metal fitting 30B is provided on the rear joint surface 21A, and corresponds to a position at which the first plug terminal 22 is provided on the front joint surface 21. Further, an insertion hole 82 into which a release member (not shown) can be inserted is provided, and the release member can release the spring force of the socket terminal metal member 30B. The socket terminal metal member 30B can be electrically connected to a terminal or a wire 60A of another electric device (not shown) [refer to FIG. 7(b)]. Further, a terminal 25 of the electromagnetic coil 23 is provided on the top surface of the electromagnetic switch 20.

By arranging the socket terminal metal member 30B at a position corresponding to the socket terminal metal member 30 in this manner, the structure inside the electromagnetic switch 20 can be simplified and the size of the electromagnetic switch 20 can be reduced.

Further, as shown in FIG. 4, inside the electromagnetic switch 20, a movable contact 24a which is actuated by the excitation of the electromagnetic coil 23 when the electromagnetic switch 20 is energized is provided. The movable contact 24a is disposed at the end of the core 23a of the electromagnetic coil 23 disposed longitudinally, and is movable in the vertical direction with respect to the electromagnetic switch 20 to be connected to the fixed contacts 24b and 24c, thereby energizing the electromagnetic switch 20.

If the movable contact 24a moves in the vertical direction with respect to the electromagnetic switch 20, when an electrical problem occurs in the distribution board, the connection of the fixed contacts 24b, 24c and the movable contact 24a can be easily released, thereby improving safety. Sex.

In addition, as shown in FIG. 5, the joint surface 13 of the wiring breaker 10 and the upper end side of the front joint surface 21 of the electromagnetic switch 20 are provided with detachable wiring for splicing (connecting) wiring. The locking member 40 of the electromagnetic switch 20 and the locking member 40 are constituted by the locking portion 41 and the locking receiving portion 42. At this time, the locking portion 41 is formed of, for example, a steel plate having elasticity, and is integrated with the frame of the electromagnetic switch 20 at the upper end portion of the front joint surface 21 of the electromagnetic switch 20, and is formed by a welded rectangular shape. The fixing piece 43 and the pair of locking pieces 44 projecting horizontally from the both ends of the front side of the fixing piece 43 to the front side, and the horizontally slit-shaped locking holes penetrating through the front end portions of the two locking pieces 44 45 constitutes. In addition, the locking receiving portion 42 is smaller than the slit-shaped locking hole 45, and has an inclined surface 46 on a surface facing the locking portion 41, and has a substantially triangular cross section, and is fixed to the wiring breaker 10. The joint surface 13 of the top surface is at two positions on the left and right sides of the side.

When the wiring breaker 10 is joined to the electromagnetic switch 20, the locking piece 40 of the locking portion 41 is elastically deformed and extends across the inclined surface 46 of the locking receiving portion 42 in the locking member 40 having the above-described configuration. The latching hole 45 is engaged with the latching receiving portion 42, that is, the snap-shaped latching hole 45 of the latching portion 41 is engaged with the latching receiving portion 42 by the so-called snap hook, so that the wiring is used for wiring. The breaker 10 is joined (connected) to the electromagnetic switch 20. When the wiring breaker 10 and the electromagnetic switch 20 are disconnected (connected), the locking piece 44 of the locking portion 41 is moved upward, and the slit-shaped locking hole 45 and the locking receiving portion can be released. 42 snaps.

Further, in the above description, the locking portion 41 is provided on the electromagnetic switch 20, and the locking receiving portion 42 is provided in the wiring breaker 10, but the opposite is possible. In other words, the locking portion 41 is provided at the upper end portion of the joint surface 13 of the wiring breaker 10, and the locking receiving portion 42 is provided at the upper end portion of the front joint surface 21 of the electromagnetic switch 20. Further, the locking member 40 may be provided on the joint surface 13 of the wiring breaker 10 and the upper and lower end portions of the front joint surface 21 of the electromagnetic switch 20. Thereby, the junction (connection) of the wiring breaker 10 and the electromagnetic switch 20 can be made stronger and more stable.

In the above embodiment, the wiring breaker 10 is joined (connected) to one electromagnetic switch 20. However, as shown in FIGS. 8 and 9, the plurality of electromagnetic switches 20 and 20A may be joined in the same manner. (link). In other words, the second socket terminal portion 30B (hereinafter referred to as the socket terminal metal member 30B) disposed on the rear joint surface 21A on the opposite side of the front joint surface 21 of the electromagnetic switch 20 may be provided with the electromagnetic switch 20 The second electric device of the same function, that is, the plug terminal 22A, which is the second plug terminal portion disposed on the front joint surface 21B of the second electromagnetic switch 20A, is electrically connected, and is connected to the rear joint surface 21A of the electromagnetic switch 20 The second locking member 40A provided on the top surface of the front joint surface 21B of the second electromagnetic switch 20A and the second electromagnetic switch 20A are detachably provided in the detachable manner. Joint (link).

At this time, three recessed portions 16 that are parallel to each other in the horizontal direction are provided at three positions on the lower end side of the rear joint surface 21A of the electromagnetic switch 20, and the second socket terminal metal is disposed (storage) in each recessed portion 16 Piece 30B. In addition, three plug terminals 22A that can be connected to the socket terminal metal fittings 30B are provided at three positions on the lower end side of the front joint surface 21B of the second electromagnetic switch 20A.

Further, a rectangular tubular body 22b that surrounds and protects the second plug terminal 22A is protruded from the front joint surface 21B of the second electromagnetic switch 20A. The tubular body 22b is detachably fitted into the housing recess 16 of the receptacle terminal metal fitting 30B of the electromagnetic switch 20, and the tubular body 22b is inserted into the recessed portion 16 while the electromagnetic switch 20 is engaged with the second electromagnetic switch 20A. The engagement between the electromagnetic switch 20 and the second electromagnetic switch 20A is strong and stable.

In the rear end surface 21A of the electromagnetic switch 20 and the lower end portion side of the front joint surface 21B of the second electromagnetic switch 20A, similarly to the above-described locking member 40, the locking portion 41 that can be engaged or detached from each other is provided. The second locking member 40A formed by the locking receiving portion 42. In addition, the second locking member 40A may be provided on the rear joint surface 21A of the electromagnetic switch 20 and the upper and lower end portions of the front joint surface 21B of the second electromagnetic switch 20A. Thereby, the engagement (connection) between the electromagnetic switch 20 and the second electromagnetic switch 20A can be made stronger and stronger.

With these structures, the rear joint surface 21A of the electromagnetic switch 20 abuts against the front joint surface 21B of the second electromagnetic switch 20A, and the socket terminal metal piece 30B of the electromagnetic switch 20 and the plug terminal 22A of the second electromagnetic switch 20A are electrically connected. Simultaneously, the upper (lower) end of the rear joint surface 21A of the electromagnetic switch 20 and the second locking member 40A of the upper (lower) end of the front joint surface 21B of the second electromagnetic switch 20A are provided. The portion 41 and the locking receiving portion 42 are engaged with each other, so that the electromagnetic switch 20 and the second electromagnetic switch 20A can be joined (connected). At this time, the plug terminal 22A is disposed on the fixed contact 24b of the fixed contact 24b, 24c. The fixed contact 24b, 24c can be electrically connected to the movable contact 24a, and the movable contact 24a is due to the electromagnetic coil 23A. The electromagnetic coil 23A is disposed in the second electromagnetic switch 20A by energization and excitation.

Further, the socket terminal metal fitting 30C which is the same as the socket terminal metal fitting 30B is provided on the rear joint surface 21C, and the installation position corresponds to a position at which the plug terminal 22A is disposed on the front joint surface 21B. The socket terminal metal member 30C can be electrically connected to a plug terminal or a wire of another electrical device (not shown). Further, the socket terminal metal members 30, 30B, and 30C are respectively disposed at the same height of the joint faces 13, 21A, and 21C. Further, an insertion hole portion 82 is provided on the bottom surface of the rear joint surface 21C of the second electromagnetic switch 20A, and a release member (not shown) can be inserted into the insertion hole portion 82 to release the spring force of the socket terminal metal piece 30C.

By arranging the socket terminal metal fitting 30C in this manner, the structure of the second electromagnetic switch 20A can be simplified, and the size of the second electromagnetic switch 20A can be reduced. Further, the connected plurality of electromagnetic switches 20, 20A can be set to the same shape, and a common electromagnetic switch can be used.

By joining the electromagnetic switch 20 and the second electromagnetic switch 20A in this manner, even if one of the electromagnetic switches 20 or 20A is defective, the other electromagnetic switch can continue to operate, thereby achieving the purpose of protecting the electrical system.

Further, in the third embodiment shown in FIG. 10, the electromagnetic coils 23B of the electromagnetic switches 20B and 20C are respectively disposed below the electromagnetic switches 20 and 20A, and the movable contact 24a and the fixed portion are disposed above the electromagnetic coil 23B. Contacts 24b, 24c. At this time, the plug terminal 22B disposed on the front joint surface 21D of the electromagnetic switch 20B located at the front side protrudes in the horizontal direction from the lower end of the inverted L-shaped conductor member 50 of the fixed contact 24b on the one end side, and is used for wiring. The socket terminal metal members 30 of the circuit breaker 10 are connected. Further, a socket terminal metal fitting 30D connected to the other fixed contact 24c is provided on the upper side of the rear joint surface 21E of the electromagnetic switch 20B. On the other hand, on the upper side of the front joint surface 21F of the electromagnetic switch 20C located at the rear, a plug terminal 22C that is connected to the fixed contact 24b on one side and that can be connected to the socket terminal metal piece 30D is provided on the rear joint surface 21G. A socket terminal metal piece 30E is provided at a position corresponding to the position where the plug terminal 22C is disposed on the front joint surface 21F.

Further, in the fourth embodiment shown in Fig. 11, the electromagnetic switches 20D and 20E are disposed to overlap each other, and the electromagnetic coils 23C are disposed laterally with respect to the electromagnetic switches 20 and 20A, respectively, on one side of the electromagnetic coil 23C, for example, the left side. The movable contact 24a and the fixed contacts 24b, 24c are disposed. At this time, in the electromagnetic switch 20D located below, the plug terminal 22D connected to the fixed contact 24b on one side can be connected to the socket terminal metal fitting 30 of the wiring breaker 10. Further, a socket terminal metal piece 30F connected to the fixed contact 24c on the other side is provided on the upper joint surface 21H of the electromagnetic switch 20D. On the other hand, a plug terminal 22E connected to the fixed contact 24b on one side and connectable to the socket terminal metal member 30F is provided on the lower joint surface 21J of the electromagnetic switch 20E located above, corresponding to the upper joint surface 21K. The socket terminal metal piece 30G is provided at a position where the plug terminal 22E is disposed on the lower joint surface 21J.

In the third embodiment and the fourth embodiment, the other portions are the same as in the first embodiment and the second embodiment, and the same portions are denoted by the same reference numerals, and their description is omitted.

1‧‧‧Wiring breaker

2a‧‧‧Electromagnetic switch

4‧‧1 times side terminal

5‧‧‧2 secondary terminal parts

6‧‧1 times side terminal

7‧‧‧2 times side connection terminal

8‧‧‧ Busbar

8a‧‧‧Plug terminal

8b‧‧‧Insulator

8c‧‧‧Insulation cover

10‧‧‧Wiring breaker

10A‧‧‧ frame

13‧‧‧ joint surface

16‧‧‧ recess

20‧‧‧Electromagnetic switch (electrical equipment)

20A‧‧‧2nd electromagnetic switch (2nd electrical equipment)

20B, 20C‧‧‧ electromagnetic switch

20D, 20E‧‧ ‧ electromagnetic switch

21, 21B‧‧‧ front joint

21A, 21C‧‧‧ rear joint

21D‧‧‧ front joint

21E‧‧‧ rear joint

21F‧‧‧ front joint

21G‧‧‧ rear joint

21K‧‧‧ upper joint

21J‧‧‧ lower joint

21H‧‧‧ upper joint

22, 22A‧‧‧ plug terminals

22C‧‧‧ plug terminal

22a‧‧‧ board terminal piece

22b‧‧‧Cylinder

22B‧‧‧ plug terminal

22D‧‧‧ plug terminal

22E‧‧‧Plug terminal

23‧‧‧Electromagnetic coil

23a‧‧‧ iron core

23A‧‧‧Electromagnetic coil

23B‧‧‧Electromagnetic coil

23C‧‧‧Electromagnetic coil

24a‧‧‧ movable contact

24b, 24c‧‧‧ fixed joints

25‧‧‧ terminals

30‧‧‧Socket terminal metal parts (1st socket terminal part)

30A‧‧‧Socket terminal metal parts (connection terminal part)

30B‧‧‧Socket terminal metal parts (2nd socket terminal part)

30C‧‧‧Socket terminal metal parts (3rd socket terminal part)

30D‧‧‧Socket terminal hardware

30E‧‧‧Socket terminal hardware

30G‧‧‧Socket terminal hardware

31‧‧‧ Maintenance components

31a‧‧‧ sloped surface

31b‧‧‧ Wave Department

31c‧‧‧flat

32‧‧‧ Maintaining components

32a‧‧‧Pushing Department

32b‧‧‧Bend

32c‧‧‧ Keeping Department

32d‧‧‧Vertical

32e‧‧‧through window

40, 40A‧‧‧ locking components

41‧‧‧Cards

42‧‧‧Card Acceptance Department

43‧‧‧Fixed tablets

44‧‧‧Card tablets

45‧‧‧ card hole

46‧‧‧Sloping surface

50‧‧‧Conductor components

60A‧‧‧ terminals or wires

80‧‧‧ top surface

80b‧‧‧Vertical

81‧‧‧ openings

82‧‧‧Insert hole

R, S, T‧‧‧ three-phase wires

U, V, W‧‧‧ three-phase wire

Fig. 1 is a wiring diagram showing an electric circuit of an electric device for wiring of the present invention.

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

Fig. 3 is a perspective view showing a state in which the wiring breaker and the electric device are joined in the first embodiment.

Fig. 4 is a cross-sectional view showing a state in which the wiring breaker and the electric device are joined in the first embodiment.

Fig. 5 is an exploded perspective view (a) of the wiring breaker and the electric device in the first embodiment, a perspective view (b) showing the locking portion of the locking member of the present invention, and a perspective view showing the locking receiving portion ( c).

Fig. 6 is an exploded rear view of the wiring breaker and the electric device in the first embodiment.

Fig. 7 is a perspective view (a) showing a structure of a socket terminal portion used in the wiring breaker of the present invention, and a perspective view (b) showing a structure of a socket terminal portion used in the electric device of the present invention.

Fig. 8 is an exploded perspective view showing the wiring breaker and the electric device according to the second embodiment.

Fig. 9 is a schematic cross-sectional view showing a state in which the wiring breaker of the second embodiment is joined to two electric devices.

Fig. 10 is a schematic cross-sectional view showing a state in which the wiring breaker of the third embodiment is joined to two electric devices.

Fig. 11 is a schematic cross-sectional view showing a state in which the wiring breaker of the fourth embodiment is joined to two electric devices.

8. . . Busbar

8a. . . Plug terminal

10. . . Wiring circuit breaker

13. . . Joint surface

20. . . Electromagnetic switch (electrical equipment)

twenty one. . . Front joint

21A. . . Rear joint

twenty two. . . Plug terminal

22a. . . Board terminal piece

twenty three. . . Electromagnetic coil

23a. . . Iron core

24a. . . Movable contact

24b, 24c. . . Fixed contact

25. . . Terminal

30. . . Socket terminal metal parts (first socket terminal part)

30A. . . Socket terminal metal parts (connection terminal part)

30B. . . Socket terminal metal parts (2nd socket terminal part)

31. . . Holding member

32. . . Holding member

40. . . Clamping member

60A. . . Terminal or wire

Claims (9)

An electrical device for wiring, comprising: a wiring breaker electrically connected to a power supply side wiring; and an electrical device electrically connected to the wiring breaker, wherein the wiring breaker is provided The first terminal side of the electrical secondary device is provided with a second terminal side of the electrical connection on the joint surface for connecting and connecting the electrical device to the electrical device. The front joint surface for the connection and connection of the breaker includes a first plug terminal portion for connection to the first socket terminal portion, and the front plug surface is disposed on the front joint surface corresponding to the first plug terminal portion. The second socket terminal portion is provided at a position on the surface, and the wiring breaker is joined to the front side of the electric device. The wiring electrical device according to claim 1, further comprising a second electrical device for electrically connecting to the secondary side of the electrical device, wherein the second electrical device is joined to and connected to the electrical device The front joint surface includes a second plug terminal portion for connection to the second socket terminal portion, and includes a third position at a position of the rear joint surface corresponding to the position where the second plug terminal portion is disposed on the front joint surface. a socket terminal portion; the electrical device is joined to the front side of the second electrical device. The wiring electrical device of claim 2, wherein the electrical device and the second electrical device are electromagnetic switches of the same shape. The wiring electrical device of claim 3, wherein a movable contact and a fixed contact disposed between the first plug terminal portion and the second socket terminal portion are provided inside the electromagnetic switch, and the movable connection is provided The point can be moved in the up and down direction with respect to the fixed contact to form an open circuit or a closed circuit. The wiring electrical device of claim 3, wherein the electromagnetic switch has an electromagnetic coil disposed above the fixed contact for moving the movable contact in an up-and-down direction, and is connected to the electromagnetic coil. The iron core moves in the vertical direction. The wiring electrical apparatus according to claim 1 or 2, wherein one of the joint surfaces of the wiring breaker and the electric equipment joined to each other is provided with a lock that can be engaged or disengaged from each other The locking portion and the locking receiving portion constitute a locking member, and the locking member is engaged with the electrical device in a detachable manner by the locking member. The wiring electrical device according to the sixth aspect of the invention, wherein the locking member is a resiliently deformable locking portion provided on one of the joint surface of the wiring breaker and the electrical device, and is disposed at the joint The other side of the surface is constituted by a locking receiving portion that is engageable with the locking portion in a detachable manner. The wiring electrical apparatus according to the first or second aspect of the invention, wherein one of the one end sides of the joint surface to which the wiring breaker and the electric equipment are joined to each other and the other side are respectively detachably engageable or detachable The locking portion and the locking receiving portion constitute a locking member, and the socket terminal portion and the plug terminal portion are provided on the other end side of the joint surface. The wiring electrical device according to the eighth aspect of the invention, wherein the locking member is an elastically deformable locking portion provided on one of a joint surface of the wiring breaker and the electrical device, and is disposed at the joint The other side of the surface is constituted by a locking receiving portion that is engageable with the locking portion in a detachable manner.