JP4667970B2 - No-fuse breaker mounting device - Google Patents

Description

  The present invention relates to an improvement in an apparatus for mounting a no-fuse breaker applied to a distribution board or the like.

  A conventional no-fuse breaker mounting apparatus will be described with reference to FIG. The no-fuse breaker 1 is connected to a main circuit bus 4 having a wire mounting hole by a bolt with an electric wire 3 having an insulation coating with crimp terminals attached to both ends. The no-fuse breaker 1 is fixed with screws to a no-fuse breaker mounting panel 5 that is threaded according to the respective mounting dimensions, and the no-fuse breaker mounting panel 5 is fixed to the housing 6 with screws. Yes.

In addition, instead of using a connecting wire with crimp terminals attached to both ends for connecting the circuit breaker for wiring and the bus conductor, attach a stat bolt to the conductor mounting plate, and sub-assemble the stat bolt and the insulated wire, It is also known that by connecting a circuit breaker and a bus conductor by passing a stat bolt through the bus conductor and tightening with a nut, the assembly work can be easily performed (for example, Patent Document 1).
JP-A-7-95705 (second page, FIG. 1)

  According to the prior art shown in FIG. 5, electric wire processing for electrical connection, tightening, and wiring work are required, and a lot of assembly work time is required. In addition, a predetermined number of mounting holes for connecting the wires are required in advance on the main circuit bus, and each screw hole must be machined in accordance with individual specifications for mounting the no-fuse breaker. The design and procurement of products are necessary, and a lot of lead time is required for production. In addition, because it is designed and manufactured exclusively for individual specifications as described above, a lot of remodeling work time is required even if the rating change or addition of the no-fuse breaker occurs after the product is completed.

  Further, according to the technique of Patent Document 1, although it is easy to assemble, the subassembly of the stat bolt and the insulated wire still requires work time, and the bus conductor needs a hole through which the stat bolt passes. It is.

  The present invention has been made in order to solve the above-described problems, and the object of the present invention is to improve the work efficiency related to assembly and wiring when applying a no-fuse breaker to a distribution board, etc. To reduce the combined design and production as much as possible, and to provide a no-fuse breaker mounting device that can be efficiently remodeled even if the rating change or addition of the no-fuse breaker after the product is completed is there.

In order to achieve the above object, according to the present invention , each of a plurality of no-fuse breakers having different external sizes is separated from a main circuit bus by using a common mounting pitch panel for common mounting pitch. In a no-fuse breaker mounting device for mounting on a pair of no-fuse breaker mounting rails arranged parallel to each other in position,
Each of the common mounting pitch panels has a rectangular plate shape, and the upper part of one side and the lower part of the other side have protrusions with holes for screwing, respectively. ,
Each of the pair of no-fuse breaker mounting rails has a hole for mounting a no-fuse breaker that is machined horizontally along its length direction,
No-fuse breaker mounting in which the hole provided on the upper protrusion on one side of the common mounting pitch panel is processed to be horizontally long in one no-fuse breaker mounting rail of the pair of no-fuse breaker mounting rails The hole provided in the protrusion on the lower side of the other side of the common mounting pitch panel is placed horizontally on the other no-fuse breaker mounting rail of the pair of no-fuse breaker mounting rails. The feature is that the mounting pitch common panel with the no-fuse breaker mounted is mounted on the pair of no-fuse breaker mounting rails with screws, facing the processed hole for mounting the no-fuse breaker. To do.

The present invention further includes a connector unit for connecting the main circuit bus and each of the plurality of no-fuse breakers, and the connector unit is configured by inserting the main circuit bus between a pair of holding pieces. A conductor plug-in connector connected to the circuit bus bar, and a connection conductor connected to the terminal portion of the no-fuse breaker, may be connected to the conductor plug-in connector .

  According to the present invention, when applying a no-fuse breaker to a distribution board, etc., the work efficiency related to assembly and wiring is improved, the design / production according to individual specifications is reduced as much as possible, and no-fuse breaking after the product is completed Efficient remodeling work can be performed even when the rating of a vessel is changed or added.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In the following drawings, the same symbols indicate the same or corresponding parts.

(One embodiment of the present invention)
A configuration of a no-fuse breaker mounting device according to an embodiment of the present invention is shown in FIGS.

  In FIG. 1A, 1 is a no-fuse breaker, 7 is a connector unit, and 8 is a common mounting pitch panel for common mounting pitches of different no-fuse breakers.

  The common mounting pitch panel is, for example, a rectangular plate, and protrusions having holes for screwing are formed at the upper right and lower left portions.

  FIG. 1B shows a more detailed configuration of the connector unit 7, which includes a connection conductor 11 with a no-fuse breaker and a conductor plug-in connector 9.

  That is, the connector unit 7 is formed in a rectangular parallelepiped shape, and a connection conductor 11 connected to a terminal portion of the no-fuse breaker 1 is provided on one surface thereof. Further, a conductor plug-in connector 9 is provided on a surface different from the surface on which the connection conductor 11 is provided, and this conductor plug-in connector 9 is connected to the connection conductor 11 inside the connector unit 7.

  The conductor plug-in connector 9 is configured to be connected to the main circuit bus by inserting the main circuit bus between a pair of sandwiching pieces.

  FIG. 1C shows a state where the connector unit 7 and the common mounting pitch panel 8 are assembled to the no-fuse breaker 1. That is, the connection conductor 11 of the connector unit 7 is disposed at the terminal portion of the no-fuse breaker 1 and fixed with, for example, screws. Further, the no-fuse breaker 1 is attached to the common mounting pitch panel 8 with screws or the like, for example.

  In order to mount the no-fuse breaker 1 with the connector unit 7 and the mounting pitch common panel 8 assembled in this manner to the distribution board, etc., the no-fuse breaker is attached to the distribution pitch common panel 8 with screws or the like. Attached to the rail, the conductor plug-in connector 9 of the connector unit 7 is inserted into the main circuit bus 4.

  FIG. 2 shows a state where it is attached to a distribution board or the like. The no-fuse breakers 1 and 2 having different ratings are attached to the no-fuse breaker mounting rail 10 by using the common mounting pitch panel 8, and the primary side connection of the no-fuse breaker is connected to the main circuit bus 4 by the connector unit 7. Connected to.

  In the above configuration, the connection between the no-fuse breakers 1 and 2 and the main circuit bus 4 is performed by inserting the conductor plug-in type connector 9 of the connector unit 7 into the main circuit bus 4, so Terminal mounting and wire fixing work are not required and efficient assembly work can be performed.

  Further, the no-fuse breakers 1 and 2 have different mounting pitches as a single unit, but the same no-break circuit breakers 1 and 2 can be mounted by using the mounting pitch common panel 8 for sharing the vertical mounting pitch. The fuse breaker mounting rail 10 can be mounted, and the no-fuse breaker mounting rail mounting hole of the no-fuse breaker mounting rail 10 is processed in a horizontally long shape so that it can be mounted at an arbitrary position. This eliminates the need for installation according to the applied no-fuse breaker, and increases the degree of freedom of the installation position, thereby enabling efficient design and assembly work.

  As described above, according to the present embodiment, the connection between the no-fuse breaker and the main circuit bus is performed using the connector unit. Wiring work is unnecessary, and changing the size of the no-fuse breaker that occurs after the product is completed eliminates the need to change the wire size, increasing the work efficiency of assembly wiring.

  In addition, since it is mounted using a common mounting pitch panel, when mounting multiple no-fuse breakers with different ratings, that is, different external sizes, there is no need for dedicated mounting holes and mounting at any position is possible. And In addition, it is possible to respond to changes in the capacity of a no-fuse breaker that occurs after completion of the product or new additions without changing or adding mounting holes, reducing design load and increasing flexibility and assembly wiring work. Increase efficiency.

(Other embodiments)
3 and 4 show the structure of a no-fuse breaker mounting device according to another embodiment of the present invention.

  As shown in FIG. 3, this embodiment is an example in which the attachment of the conductor plug-in connector 9 of the connector unit 7 is rotated by 90 degrees with respect to the above-described embodiment so that it can be connected to the main circuit bus 4 in the vertical direction. is there. By applying the connector unit 7 to both the primary side and the secondary side of the no-fuse breaker 1, the work of wire processing, crimp terminal attachment, and wire fixing becomes unnecessary, and efficient assembly work can be performed.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the structure of the attachment apparatus of the no fuse circuit breaker which concerns on one Embodiment of this invention, (a) is a disassembled perspective view of each component, (b) is a figure which shows the detailed structure of a connector unit, (c). Is a perspective view in which components are combined. The front view which shows the state which attached the no fuse circuit breaker to the distribution board etc. with the attachment apparatus of the no fuse circuit breaker which concerns on one Embodiment of this invention. The figure which shows the structure of the attachment apparatus of the no fuse circuit breaker which concerns on other embodiment of this invention. The perspective view which shows the example which enabled the connection to the main circuit bus line of the vertical direction with the attachment apparatus of the no fuse circuit breaker which concerns on other embodiment of this invention. The front view which shows the structure of a prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1, 2 ... No fuse circuit breaker 3 ... Electric wire 4 ... Main circuit bus-bar 5 ... No fuse circuit breaker installation panel 6 ... Housing 7 ... Connector unit 8 ... Mounting pitch common panel 9 ... Conductor insertion type connector 10 ... No fuse interruption Mounting rail 11 ... Connection conductor

Claims (2)

A pair of no-fuse breakers arranged parallel to each other at a position away from the main circuit bus, using a common mounting pitch panel for sharing the mounting pitch of each of a plurality of no-fuse breakers with different external sizes. In the installation device of the no-fuse breaker to be mounted on the device mounting rail,
Each of the common mounting pitch panels has a rectangular plate shape, and an upper portion of one side surface and a lower portion of the other side surface are respectively provided with protrusions provided with holes for screwing. And
Each of the pair of no-fuse breaker mounting rails has a hole for mounting a no-fuse breaker machined horizontally along its length direction,
A no-fuse breaker in which a hole provided in an upper protrusion on one side surface of the common mounting pitch panel is formed into a laterally long one of the pair of no-fuse breaker attachment rails. Mounting the other no fuse breaker on the other of the pair of no fuse breaker mounting rails with a hole provided on the lower protrusion of the other side of the common mounting pitch panel. The mounting pitch common panel to which the no-fuse breaker is mounted is attached to the pair of no-fuse breaker mounting rails by screws so as to face the hole for mounting the no-fuse breaker machined on the rail horizontally. An apparatus for mounting a no-fuse breaker characterized by the above . A connector unit for connecting the main circuit bus and each of the plurality of no-fuse breakers; the connector unit inserting the main circuit bus between a pair of clamping pieces; A conductor plug-in connector connected to the bus bar, and a connection conductor connected to the conductor plug-in connector and connected to a terminal portion of the no-fuse breaker. Item 2. An apparatus for mounting a no-fuse breaker according to item 1.

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