JPH1092648A - Ground electric equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily perform the enclosure exchange work, etc., of a ground transformer. SOLUTION: An enclosure 10 has a bottom plate forming the bottom face of the enclosure 10, side plates 2 forming the left and right side faces and back face of the enclosure 10, a door plate 5 forming the front face of the enclosure 10, and a ceiling plate 1 forming the top face of the enclosure 10. The ceiling plate 1 and side plates 2 are integrally molded. The side plates 2 are removably connected to the bottom plate 3 with bolts 6 from the outside.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention is installed on the ground,
The present invention relates to a ground-mounted electric device including an electric device having a high-voltage power supply wiring connection portion, for example, a transformer or the like and a housing for housing the transformer.

[0002]

2. Description of the Related Art Conventionally, in many cases, electric equipment including a transformer and a high-voltage power supply wiring connection part is installed in an urban area in a specific place such as on a pole which is inaccessible to humans. However, in recent years, installation on the ground has been promoted sequentially from the viewpoint of security and maintenance of the landscape. Since such electric devices are installed in various environments, there are some cases in which deterioration such as rust and damage of a housing of the electric devices is remarkable. Therefore, depending on the installation location, the storage housing may have an extremely shorter life than the high-pressure equipment stored therein. For this reason, there are many cases where only the storage housing needs to be replaced.

[0003] As a structure which enables such an exchange operation of the housing, there is one disclosed in Japanese Utility Model Laid-Open No. 3-25215. In this case, a top plate, a side plate, and a base plate are connected to each other by bolts or the like, and can be disassembled.

[0004]

However, in such a conventional technique, there is a problem that it takes time to disassemble the housing in the operation of replacing the housing or repairing the equipment in the housing.

The present invention has been made in view of such conventional problems, and is a ground-mounted electrical device capable of improving workability such as replacement of a housing and repair of equipment in the housing. The purpose is to provide.

[0006]

In order to achieve the above-mentioned object, a ground-installed type including an electric device installed on the ground and having a high-voltage power supply wiring connection portion and a housing for housing the electric device is provided. In the electrical device, the housing forms a bottom surface of the housing, and a base plate placed on the ground, forms a side surface of the housing, and has a side circumference of the base plate above the base plate. A side plate to be covered, a top surface of the housing that forms a top surface of the housing, is located above the base plate, and faces the base plate, and the side plate is detachably connected to the base plate by an external operation. Connection means;
And the side plate and the top plate are integrally formed.

Here, in the above-mentioned ground-mounted electric equipment, a door plate forming at least a part of a side surface of the housing is provided, and the lower end of the door plate is oriented in a direction including a vertical component. It is preferable to be attached to the side plate or the top plate so as to move and perform an opening and closing operation.

[0008] In each of the above-mentioned ground-mounted electric devices, a sheet having an adhesive applied to one surface thereof is prevented from sticking to the outer surface of each plate constituting the housing on the outer space side. It is preferable to provide a sheet sticking preventing means for making sticking difficult.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, ground-mounted transformers as various embodiments according to the present invention will be described with reference to the drawings.

First, a ground-mounted transformer according to a first embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the ground-mounted transformer in this embodiment includes a transformer (not shown) and a housing 10 that houses the transformer. The housing 10 is
A base plate 3 which is a rectangular parallelepiped and forms a bottom surface and is placed on the ground;
Among the four side surfaces of the housing 10, a side plate 2 forming left and right side surfaces and a back surface, a door plate 5 forming a front surface among the four side surfaces of the housing 10, and a top plate 1 forming a top surface of the housing 10. And a bolt (connecting means) 6 for connecting the side plate 2 to the base plate 3.

Each of the plates 1, 2, 3, 5 forming the housing 10
Is a metal plate here, and the side plate 2 and the top plate 1 are integrally formed. As shown in FIG. 5, the lower end of the door plate 5 is swingable about its upper end, and the front side edge of the top plate 1 and the upper end edge of the door plate 5 are connected by a hinge 8. As a result, the top plate 1, the side plate 2, and the door plate 5 are an integrated structure.

As shown in FIGS. 2 and 3A, the side plate 2
A bolt insertion hole 2a is formed at the lower end of the base plate 3.
Screw holes 3a are formed in the left and right surfaces and the back surface of the.
A bolt 6 is passed through the bolt insertion hole 2a of the side plate 2,
The bolt 6 is screwed into the screw hole 3 a of the base plate 3 to be connected to the base plate 3. What is important here is that the bolt head is exposed to the outside of the housing 10 so that the work of screwing or loosening the bolt 6 can be performed from the outside of the housing 10. The connection means for detachably connecting the side plate 2 and the base plate 3 includes the bolt 6 described above.
3B and FIG. 3C. Specifically, the one shown in FIG. 3B has a convex portion 3 b formed on the side surface of the base plate 3, is recessed from the inner surface to the outer surface side at the lower end of the side plate 2, and fits into the convex portion 3 b of the base plate 3. Recessed recess 2
b is formed. Note that, here, the convex portion is formed on the base plate 3 and the concave portion is formed on the side plate 2. However, the concave portion may be formed on the base plate 3 and the convex portion may be formed on the side plate 2. FIG.
The one shown in (C) has a pin insertion hole 2c at the bottom of the side plate 2.
And the keyway 2d, while the base plate 3
It is also possible to provide a lock 7 in which the pin 7b protrudes when a is inserted, and connect the side plate 2 and the base plate 3 with the pin 7b of the lock 7. Here, three examples have been given as connection means, but any other means may be used as long as the side plate 2 and the base plate 3 are detachably connected by an external operation. Further, any one of these three connection means may be used.
One or a combination of three may be used.

The side plate 2 and the door plate 5 are shown in FIG. 1 and FIG.
As shown in FIG. 7, a number of convex portions (sheet sticking preventing means) 4, 4,... This convex part 4
The protrusion amount and diameter of each are about several millimeters. In this manner, when a large number of convex portions 4, 4,... Are formed on the side plate 2 and the door plate 5, even if an attempt is made to attach a sheet such as a flyer,
Since the contact area between the plates 2 and 5 and the sheet is very small, it is difficult to attach the sheet, and even if the sheet is attached, it can be easily removed. 4 (B), (C), and FIG.
The one shown in (D) can be considered. Specifically, FIG.
(B) shows a thin plate 4a having a large number of convex portions formed by press working or a large number of through holes formed by punching, attached to the side plate 2. Here, the thin steel plate 4a is a stainless steel plate having a thickness of about 0.5 to 4 mm, but may be a resin plate. Also, the one shown in FIG.
A wire mesh 4b in which a metal rod or a metal wire of about mm is woven is attached to the side plate 2. FIG. 4 (D) shows a structure in which a rubber plate 4c containing oil is attached to the side plate 2 on the outer surface. In addition to the above, fine particles of a few millimeters to several millimeters of a comma may be mixed in the paint and applied to the side plate 2 or the like. The fine particles may be small sand, ceramic particles, fat particles, and the like.

As described above, the housing 10 of the transformer installed on the ground in this embodiment has the top plate 1, the side plate 2, and the door plate 5 integrated, and the side plate 2 is connected to the base plate 3 by the bolts 6. Therefore, the upper integrated structure including the top plate 1, the side plate 2, and the door plate 5 can be easily removed from the base plate 3,
The workability of replacing the casing 10 and repairing and replacing the internal transformer can be improved.

Further, in this embodiment, when the front door plate 5 is opened, the lower end of the door plate 5 jumps upward, so that not only the front space but also the side space and the rear space of the equipment are provided. It can be secured as a maintenance space.
In addition, as a space necessary for opening the door plate 5,
Since only the space on the front side and the space on the top side of the equipment need to be secured, there is no hindrance to opening and closing the door 5 even if there are other structures or street trees in the space on the side and back sides. Never come. In other words, the side and rear sides of the device can be effectively used for purposes other than maintenance of the device.

Further, in this embodiment, since the sheet sticking preventing means is applied to the side plate 2 and the like, sheets such as flyers are hardly stuck, and rusting caused by sheet sticking can be prevented. , Can keep the landscape of the equipment.

Incidentally, when an electric device having a high-voltage power supply wiring connection portion such as a transformer is short-circuited as in this embodiment, the pressure in the housing 10 may abnormally increase. For this reason, when the pressure in the housing 10 increases to a certain pressure, the door 5 is preferably opened. On the other hand, it is not preferable that the door 5 is easily opened by an external impact or the like. In this embodiment, since the gravity acts as a biasing force in the direction in which the door 5 is closed, the door 5 does not easily open due to an external load or the like, while the pressure in the housing 10 increases to a certain level or more. Then, the door 5 is opened, and the pressure in the housing 10 can be released. In order to adjust the opening / closing force of the door 5, the hinge 8 may be provided with grease having a viscosity equal to or higher than a predetermined value, or may be provided with a spring.

Next, a ground-mounted transformer according to a second embodiment of the present invention will be described with reference to FIG.
The housing 10 in this embodiment has an inner frame 9 in contact with the corners of the inner surfaces of the side plate 2 and the top plate 1 attached to the base plate 3, and the rest is the same as in the first embodiment.
By providing the inner frame 9 in this manner, the strength of the housing 10 can be increased, and the work of attaching the upper integrated structure including the top plate 1, the side plate 2, and the door plate 5 to the base plate 3 is facilitated. Can be

Next, a ground-mounted transformer according to a third embodiment of the present invention will be described with reference to FIGS. In this embodiment, the top plate 1b is
b forms the back side of the top surface, and the door plate 5b forms the front side surface of the housing 10b and the front side of the top surface. Door plate 5
As shown in FIG. 8, b has a lower end swingable about its upper end, and a front side edge of the top plate 1b and an upper end edge of the door plate 5b are connected by a hinge 8.

As described above, since the swing center of the door plate 5b is shifted to the rear side, the space on the front side as a space required for opening the door 5b is made smaller than in the first embodiment. Can be.

Next, a ground-mounted transformer according to a fourth embodiment of the present invention will be described with reference to FIG.
In this embodiment, the door plate 5c is attached to the side plate 2 and the top plate 1 so as to be slidable in the vertical direction. On the inner side of the front side of the side plate 2 and the front side of the top plate 1, slide guide portions 2e, 1 for guiding the door plate 5c so as to be slidable in the vertical direction.
e is formed. The door plate 5c is fitted into the slide guides 2e, 1e.

As described above, the opening and closing operation of the door 5c is performed by the door plate 5c.
When the vertical sliding operation is performed, only the space required for opening the door 5c is the space on the top surface side, which can be made smaller than in the first and third embodiments.

[0023]

According to the present invention, the top plate and the side plate among the plate members forming the housing are integrally formed, and the side plate and the base plate are detachably connected to each other. Operability such as repair work of equipment inside the housing or the like can be improved.

[Brief description of the drawings]

FIG. 1 is a perspective view of a ground-mounted transformer as a first embodiment according to the present invention.

FIG. 2 is an exploded perspective view of the ground-mounted transformer as the first embodiment according to the present invention.

FIG. 3 is an explanatory view showing various connection means for connecting a side plate and a base plate as an embodiment according to the present invention.

FIG. 4 is an explanatory view showing various sheet sticking prevention means as an embodiment according to the present invention.

FIG. 5 is a perspective view of a ground-mounted transformer according to a first embodiment of the present invention in which a door plate is half-open.

FIG. 6 is a perspective view of a ground-mounted transformer as a second embodiment according to the present invention.

FIG. 7 is a perspective view of a ground-mounted transformer as a third embodiment according to the present invention.

FIG. 8 is a side view of a ground-mounted transformer as a third embodiment according to the present invention.

FIG. 9 is a perspective view of a ground-mounted transformer as a fourth embodiment according to the present invention.

[Explanation of symbols]

1, 1b top plate, 2 side plate, 3 base plate, 4 convex portion, 4
a: thin steel plate, 4b: wire mesh, 4c: rubber plate, 5, 5b, 5
c: door plate, 6: bolt, 7: locking, 7a: key, 7b ...
Pin, 8 ... hinge, 9 ... inner frame.

Claims (3)

[Claims] 1. A ground-mounted electrical device that is installed on the ground and includes an electrical device having a high-voltage power supply wiring connection portion, and a housing that houses the electrical device. A base plate forming a bottom surface and placed on the ground; forming a side surface of the housing; forming a side plate above the base plate and covering a side circumference of the base plate; forming a top surface of the housing. A top plate located above the base plate and facing the base plate; and connection means for connecting the side plate to the base plate so as to be detachable by an external operation. A board is a ground-mounted electrical device, which is an integrally molded product. 2. The ground-mounted electric device according to claim 1, further comprising a door plate forming at least a part of a side surface of the housing, wherein a lower end of the door plate includes a vertical component. A ground-mounted electric device, which is attached to the side plate or the top plate so as to move in a direction to perform an opening and closing operation. 3. The ground-mounted electric device according to claim 1, wherein a sheet having an adhesive applied to one surface is attached to an outer surface of each plate constituting the housing on an outer space side. A ground-mounted electric device, which is provided with a sheet sticking preventing means for preventing sticking or making sticking difficult.