JPH0636307U - Distribution board - Google Patents

Abstract

(57) [Abstract] [Purpose] The present invention relates to a distribution board such as a distribution board for a light,
The purpose is to connect the secondary side electric wire easily and surely. [Structure] In a distribution board in which a main wiring circuit breaker, a branch wiring circuit breaker, a neutral pole switch and a ground terminal are arranged in a distribution board main body, branching to one side of the main wiring circuit breaker A wiring breaker is arranged, a branch wiring portion is formed on the other side, and a voltage terminal, a ground terminal and a neutral pole switch are arranged on this branch wiring portion.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a distribution board such as a distribution board for electric lights.

[0002]

[Prior art]

 Conventionally, for example, as shown in FIG. 15 is known as a distribution board for electric lights used in buildings such as buildings.

This distribution board for electric lights includes a main wiring circuit breaker 1 3, a branch wiring circuit breaker (for 2 poles) 15, a branch wiring circuit breaker (1 pole) in order from the upper side of a distribution panel body 11. 16), a neutral pole switch 17 and a grounding terminal 19 are arranged, and the secondary side electric wire 21 is pulled out from the distribution board when the voltage of 100 V is applied, for example. This is done by connecting the voltage line 21a to the breaker 16 for branch wiring, the neutral line 21b to the neutral pole switch 17, and the ground line 21c to the ground terminal 19.

[0004]

[Problems to be solved by the device]

 However, in such a conventional distribution board, a main wiring circuit breaker 13, a branch wiring circuit breaker 15, a neutral pole switch 17 and a ground terminal 19 are arranged in this order from the upper side in the distribution panel body 11. Since they are arranged, in order to connect the secondary side electric wire 21, it is necessary to step off the three wires 21a, 21b, 21c of the secondary side electric wire 21 with different lengths. Since the connection points of the three wires 21a, 21b, and 21c are separated, there is a problem that a large number of work steps are required to connect the secondary side electric wire 21.

Further, since the connection points of the three wires 21a, 21b, 21c of the secondary side electric wire 21 are separated, it is complicated with the three wires 21a, 21b, 21c of the other secondary side electric wires 21, and the connection is incorrect. There was a problem of fear.

The present invention solves the above problems, and an object thereof is to provide a distribution board that can easily and surely connect a secondary side electric wire.

[0007]

[Means for Solving the Problems]

 The distribution board of the present invention is a distribution board in which a main wiring circuit breaker, a branch wiring circuit breaker, a neutral pole switch and a grounding terminal are arranged in the distribution panel body. The branch circuit breaker is arranged on one side, the branch wiring section is formed on the other side, and the voltage terminal, the ground terminal and the neutral pole switch are arranged on this branch wiring section. .

[0008]

[Action]

 In the distribution board of the present invention, the secondary side electric wire is connected to the voltage terminal, the ground terminal and the neutral pole switch arranged in the branch wiring section.

[0009]

【Example】

 The present invention will now be described in detail with reference to an embodiment shown in the drawings. FIG. 1 shows an embodiment of a distribution board of the present invention. In the figure, reference numeral 31 indicates a distribution board body.

A main circuit breaker 33 is arranged in the center of the distribution board main body 31. Below the main circuit breaker 33, a branch circuit breaker (for two poles) 35 and a branch circuit breaker 35 are provided. A circuit breaker (for one pole) 36 is arranged.

A branch wiring part 37 is formed above the main circuit breaker 33. A voltage terminal 39, a ground terminal 41 and a neutral pole switch 43 are arranged in the branch wiring portion 37.

In this embodiment, a pair of neutral bars 45 are arranged in parallel in the branch wiring portion 37 at predetermined intervals in the vertical direction, and these neutral bars 45 are arranged in the vertical direction. They are connected by a connecting bar 47 arranged.

Further, on the upper side of the neutral bar 45, grounding bars 49 are arranged in parallel at a predetermined interval, and these grounding bars 49 are connected by a connecting bar 51 arranged vertically. It is connected.

The ground bar 49 is grounded to the ground. In this embodiment, a single-phase three-wire primary-side electric wire 53 having a voltage of 200 V is connected to the input side of the main wiring breaker 33.

Two voltage lines 55a and 55b and one neutral line 55c are connected to the output side of the main wiring breaker 33. Two voltage lines 55a and 55b are connected to the input sides of the branch wiring breakers 35 and 36, and one neutral line 55c is connected to the neutral bar 45 of the branch wiring section 37.

On the other hand, the voltage lines 35 a and 36 a on the output side of the breaker 35 for branch wiring are connected to the input side of the voltage terminal 39 of the branch wiring section 37. In the branch wiring portion 37, as shown in FIG. 2, a lead-out portion A for a voltage of 200 V is formed by two voltage terminals 39 and one ground terminal 41, and one voltage terminal 39, one The neutral pole switch 43 and one ground terminal 41 form a lead-out portion B for a voltage of 100V.

The end plates 57 are arranged on both sides of the take-out portions A and B, and the neutral bar 45 and the ground bar 49 are fixed by fixing members 59 and 61 outside the end plate 57.

3 to 6 show the details of the voltage terminal 39. The voltage terminal body 39a has a neutral bar insertion hole 39b into which the neutral bar 45 is inserted and a ground bar 49. The ground bar insertion holes 39c are formed in parallel with each other at a predetermined interval.

A connecting portion 63 is formed above the ground bar insertion hole 39c, and a conductor 65 is arranged on the connecting portion 63. The conductor 65 is fixed to the connecting portion 63 by a pair of screws 67a and 67b arranged at a predetermined interval.

A washer 69 and a pressing piece 71 are arranged between the screws 67 a and 67 b and the conductor 65. In the figure, reference numeral 73 indicates a partition plate.

At the voltage terminal 39, as shown in FIG. 1, the voltage line 35a or 36a from the branch wiring breaker 35 or 36 is connected between the pressing piece 71 and the conductor 65 on the left side of the drawing. The voltage line 77a of the secondary side electric wire 77 is connected between the pressing piece 71 and the conductor 65 on the right side of the drawing.

FIGS. 7 to 10 show the details of the ground terminal 41. A neutral bar insertion hole 41 b into which the neutral bar 45 is inserted and a ground bar 49 are inserted into the ground terminal body 41 a. The ground bar insertion holes 41c are formed in parallel with each other at a predetermined interval.

A contactor space 41d is formed continuously with the ground bar insertion hole 41c, and the contactor 81 is housed in this space 41d. The contact 81 is pressed to the ground bar 49 side by the screw 83, and the contact 81 and the ground bar 49 are electrically connected.

Further, the contactor 49 is formed with a blind hole 81a for inserting the tip end portion of the ground wire 77b of the secondary wire 77, and the secondary wire 77 inserted into the blind hole 81a is inserted into the blind hole 81a. The ground wire 77b is fixed by a screw 85.

In the figure, reference numeral 86 indicates a spring, reference numeral 87 indicates a nut, and reference numeral 88 indicates an E ring. In the ground terminal 41, the ground wire 77b of the secondary electric wire 77 is inserted into the blind hole 81a so that the ground wire 77b of the secondary electric wire 77 is electrically connected to the ground bar 49.

11 and 12 show the details of the neutral pole switch 43. The neutral pole switch body 43a is formed with a neutral bar insertion hole 43b through which the neutral bar 45 is inserted. ing.

A contact 90 is housed in the neutral electrode switch body 43a. The contact 90 is biased toward the lever 92 by a spring 91, and a cam 93 is formed integrally with the lever 92.

A pressing member 94 is arranged between the cam 93 and the contact 90. A conducting plate 95 is arranged on the side opposite to the neutral bar 45 with the pressing member 94 as the center, and a screw 96 is screwed into the conducting plate 95.

The voltage line 77c of the secondary side electric wire 77 is connected to the screw 96. In this neutral pole switch 43, by locating the lever 92 at the position indicated by the solid line, the contact 90 comes into contact with the neutral bar 45 and the conducting plate 95, and the neutral bar 45 and the screw 96 are electrically connected. It is conducted.

13 and 14 show the details of the end plate 57, in which the neutral bar insertion hole 57b through which the neutral bar 45 is inserted and the ground bar 49 are inserted through the end plate body 57a. The ground bar insertion holes 57c are formed in parallel with each other at a predetermined interval.

An attachment portion 97 is formed on the back surface of the end plate body 57a, and a through hole 97a for inserting a screw for fixing the end plate is formed in the attachment portion 97.

In the distribution board described above, the branch wiring section 37, the main wiring circuit breaker 33, and the branch wiring circuit breaker 35 are assembled and wired in advance in the factory. It is installed in the building and the primary side electric wire 47 and the secondary side electric wire 77 are wired on site.

In the distribution board configured as described above, the branch wiring breaker 35 is arranged on one side of the main wiring breaker 33, and the branch wiring portion 37 is formed on the other side. Since the voltage terminal 39, the ground terminal 41 and the neutral pole switch 43 are arranged in the wiring part 37, the secondary side electric wire 77 can be connected only in the branch wiring part 37, and the secondary side electric wire 77 can be easily and securely connected. Can be connected to.

Further, in this embodiment, in the branch wiring portion 37, two voltage terminals 39 and one ground terminal 41 are arranged adjacent to each other to form a lead-out portion A of a voltage of 200 V, and one voltage terminal 39 is formed. Since the terminal 39, one neutral pole switch 43 and one ground terminal 41 are arranged adjacent to each other to form the lead-out portion B for the voltage of 100V, the three wires 77a, 77b, 77c of the secondary side electric wire 77 are formed. Can be connected at a predetermined one of the outlets A and B, and the three wires 77a, 77b, 77c of the secondary side electric wires can be connected by simply stripping off the steps, so that the secondary side electric wires can be connected. The connection of 77 becomes very easy, and the risk of incorrect connection can be eliminated.

[0035]

[Effect of device]

 As described above, in the distribution board of the present invention, the branch wiring breaker is arranged on one side of the main wiring breaker, and the branch wiring portion is formed on the other side. Since the voltage terminal, the ground terminal and the neutral pole switch are arranged, the secondary side wire can be connected only in the branch wiring part, which has the advantage that the secondary side wire can be connected easily and securely. is there.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a distribution board of the present invention.

FIG. 2 is an enlarged front view showing a part of the branch wiring portion of FIG.

3 is a front view showing the voltage terminal of FIG. 1. FIG.

FIG. 4 is a top view of the voltage terminal of FIG.

5 is a side view of the voltage terminal of FIG.

FIG. 6 is a rear view of the voltage terminal of FIG.

FIG. 7 is a front view showing the ground terminal of FIG.

FIG. 8 is a top view of the ground terminal of FIG.

9 is a rear view of the ground terminal of FIG. 7. FIG.

FIG. 10 is a side view of the ground terminal of FIG.

11 is an explanatory view showing the neutral pole switch of FIG. 1. FIG.

12 is a side view of the neutral pole switch of FIG. 11. FIG.

13 is a front view showing the end plate of FIG. 1. FIG.

FIG. 14 is a side view of the end plate of FIG.

FIG. 15 is a front view showing a conventional distribution board.

[Explanation of symbols]

 31 Distribution board main body 33 Circuit breaker for main wiring 35 Circuit breaker for branch wiring 37 Branch wiring section 39 Voltage terminal 41 Ground terminal 43 Neutral pole switch 45 Neutral bar 49 Ground bar

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[Procedure amendment]

[Submission date] May 12, 1992

[Procedure Amendment 1]

[Document name to be corrected] Drawing

[Correction target item name] All drawings

[Correction method] Change

[Correction content]

[Fig. 2]

[Figure 5]

[Figure 8]

[Figure 1]

[Figure 3]

[Figure 4]

[Figure 6]

[Figure 7]

[Figure 10]

[Fig. 12]

[Figure 9]

FIG. 11

[Fig. 13]

FIG. 14

FIG. 15

Claims (1)

[Scope of utility model registration request] 1. A distribution board in which a main wiring circuit breaker, a branch wiring circuit breaker, a neutral pole switch and a ground terminal are arranged in a distribution panel body, and one side of the main wiring circuit breaker. In addition to arranging the breaker for branch wiring on the other side, the branch wiring section is formed on the other side, and the voltage terminal, the ground terminal and the neutral pole switch are arranged on this branch wiring section. Electric board.