JPH0132722B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to unitizing transformers of power distribution equipment installed in electrical rooms of buildings, condominiums, etc. by accommodating them in independent frames.

Recently, power distribution and supply equipment is often installed in rented rooms or rooftops of buildings and condominiums due to the difficulty in obtaining installation sites and the aesthetic appearance of cities. In this case, it is difficult to transport large power distribution and supply equipment that incorporates the equipment necessary for power supply into the electrical room through narrow stairs or passageways, so conventionally, power distribution and supply equipment was installed as shown in Figure 1. It is constructed by attaching power distribution equipment such as a cutout 3, a secondary terminal block 4, and a drum insulator 5 to a pipe frame 2 constructed of pipes in a room 1.

However, in order to assemble pipe frame 2,
As shown in Figure 1, a large number of anchor bolts 6 must be embedded in the floor, making the foundation work of the electrical room 1 troublesome and often requiring on-site work, which requires assembling the pipe frame 2 and installing power distribution equipment. It took a lot of time.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a transformer unit which can solve the above-mentioned drawbacks of the prior art, simplify the foundation work of an electrical room, and significantly shorten the installation time.

Hereinafter, one embodiment of the present invention will be described in detail based on the drawings.

The transformer unit of this embodiment is a unit in which each transformer of the power distribution supply equipment is assembled together with a frame and power distribution equipment, and as shown in Fig. 2, one transformer 7 is integrated into one independent The frame 10 is housed and installed in a frame 10.
It has a structure in which power distribution equipment such as cutouts 17, relay terminals 18, and secondary terminal blocks 19 are attached to the terminals.

As shown in FIG. 2, the frame 10 consists of three self-supporting columns 8a, 8b, 8c, and stays 9a and 9b projecting from the lower parts of the columns 8a and 8b on both sides. ,8b,8
It has a structure in which one transformer 7 is housed in a space surrounded by the stays 9a and 9b. The three pillars 8a, 8b, and 8c are formed to be taller than the transformer 7, and are arranged in a triangular prism shape so that they can stand on their own, and their upper and lower ends are integrally connected by a pipe. . Note that the support portion is not limited to a triangular prism shape, but may also be configured in a quadrangular prism shape or the like.

Further, the structure of the frame 10 will be explained based on FIG. 3 showing an example thereof.The frame 10 has a structure in which the support portion and the stays 9a, 9b can be separated. In other words, these stays 9a, 9b
is formed in a U-shape, and one end is attached to the bottom middle of the column 8a or 8c by a bolt 11, and the other end is attached to the bottom of the column 8a or 8c by a connecting rod 12 and a bolt 13. Installed. In addition, in this embodiment, the stays 9a, 9b
In order to facilitate the carrying-in work of the frame 10, it has a split structure that can be separated from the support section, but if the dimensions of the transformer 7 are small, the dimensions of the frame 10 will also be small, so the stays 9a, 9b and the support section are separated. It may be formed integrally with.

Further, a base plate 14 is fixed to each corner of the bottom of the frame 10, and transformer fixing fittings 15 for fixing the lower part of the transformer 7 to the base plate 14 from the periphery.
is permanently installed. Further, holes 16 for anchor bolts are bored in the base plate 14, and the frame 10 is fixed to the floor surface through this.

Furthermore, the pillars 8a on both sides of the frame 10
At the top of 8c is a mounting seat 17 for cutout.
z is fixed, and high pressure cutout 1 is attached to this.
7 as shown in Figure 2. Also, the central pillar 8
A required number (three in this embodiment) of mounting seats 18z for relay insulators are fixedly installed at the required intervals on the upper part of b, and the relay insulators 18 are attached to these.
On the other hand, a support fitting 19 is provided on the front side of the stays 9a and 9b.
z is fixed, and the secondary terminal block 19 is attached to this support metal fitting 19z. Further, connecting fittings 20 are fixed to the sides of the pillars 8a and 8e, respectively, and the structure is such that the frames 10 of adjacent units can be connected to each other by the connecting fittings 20.

Next, the procedure for installing the transformer unit having the above structure in the electrical room will be explained with reference to FIG. 2.

First, the support portion of the frame 10 is fixed to the floor using anchor bolts and is erected, and the connecting fittings 20 are
It is connected to the support portion of another frame 10 by.
Next, attach the relay insulator 1 to the mounting seat 18z for the relay insulator.
8 and connect the bus bar 21. Furthermore, after installing the transformer 7 in the frame 10, attaching the high voltage cutout 17 to the cutout mounting seat 17z, and connecting electric wires between the primary terminal 7a of the transformer 7 and the high voltage cutout 17, and between the high voltage cutout 17 and the relay insulator 18. Connect with 22. Next, the stays 9a and 9b are connected to the lower part of the support section with bolts 11 and 13, the secondary terminal block 19 is attached to the support fittings 19z fixed to the stays 9a and 9b, and the secondary terminal block 19 and the transformer are connected. 7 secondary terminal 7
b with an electric wire 23. Incidentally, when installing the transformer, noise can be reduced by applying rubber coating or the like to the lower surface of the transformer or the side surface of the transformer that contacts the fixing fittings.

As described above with reference to the embodiments, according to the present invention, the transformer is fixed using the fixing metal fittings of the frame, so there is no need for anchor bolts for fixing the transformer, and only anchor bolts for fixing the frame are used. It only needs to be buried, which simplifies the foundation work for the electrical room. Furthermore, since each transformer is constructed as a unit with an independent frame, the transportation unit is smaller and lighter, making the transport work easier. Furthermore, since the frame can stand on its own and is fixed with anchor bolts, it is easy to install the frame, and the frame is equipped with mounting seats for various power distribution equipment, making it easier to install power distribution equipment. This makes it possible to significantly shorten the installation work time for power distribution and supply equipment. Furthermore, since the frame of each unit is self-supporting, when fixing the frame, it is not necessary to have as much precision in the horizontal level of the entire equipment as in the past, making the work of fixing the frame easy.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing an example of conventional power distribution and supply equipment, and FIGS. 2 and 3 relate to an embodiment of the present invention.
FIG. 2 is a perspective view of the transformer unit, and FIG. 3 is an exploded perspective view of its frame. In the drawing, 7 is a transformer, 7a, 7b are primary and secondary terminals of the transformer, 8a, 8b, 8c are frame supports, 9a, 9b are frame stays, 1
0 is the frame, 14 is the base, 15 is the transformer fixing bracket, 16 is the hole for the anchor bolt, 17, 17
z is the high voltage cutout and its mounting seat, 1
8, 18z is a relay insulator and its mounting seat, 1
9 and 19z are secondary terminal blocks and supporting metal fittings, 20 is a connecting metal fitting, and 21 is a bus bar.

Claims (1)

[Claims] 1 Consisting of one transformer and a transformer frame that accommodates the transformer and stands free on the floor, the transformer frame has transformer fixing fittings for fixing the transformer from the surroundings at the bottom of the transformer frame, and This transformer frame has a secondary terminal block on the lower front side, and has a relay insulator and a cutout on the upper part of this transformer frame, and connects to other adjacent transformer frames by connecting fittings provided on the side of this transformer frame. A transformer unit characterized in that it is connected with a transformer unit to form a power distribution facility.