JP6722441B2 - Electrical equipment storage box - Google Patents

Description

The present invention relates to an electric device storage box used as a cubicle for storing a storage battery used as an emergency power supply in the event of a power failure in the event of storage of self-generated power such as solar power generation or a disaster and a high voltage power receiving facility.

Storage batteries are being installed as storage for self-generated electric power such as solar power generation, blackouts in the event of a disaster, and as an emergency power source in the event of a power shortage in the summer. Since the storage battery used for such a purpose has a relatively large capacity, a dedicated storage box was installed outdoors for storage. As the box used at that time, a large box designed as a cubicle for accommodating a heavy transformer such as a storage battery was used.
Boxes designed as this cubicle can prevent rainwater from entering and are robust, and transformers and other equipment housed in the cubicle generate heat, so many of them are equipped with ventilation devices such as ventilation fans, and generate heat when used. It was preferable to store the accompanying storage battery (see, for example, Patent Document 1).

JP, 2009-71906, A

However, as described in Patent Document 1, an electric device storage box equipped with a conventional ventilation device has no top plate on the upper part of the box, and only a roof plate is directly attached to the upper part of the box. The roof plate was heated by sunlight, and the heat was easily transmitted to the electric devices inside, which was not a preferable structure. Further, if there is no top plate and it is necessary to support the wiring on the upper part, a dedicated support member is required separately.
Therefore, it is conceivable to provide a top plate under the roof plate and attach a ventilation device to the top plate to exhaust air to the attic, but if the top plate is provided, the box structure becomes complicated and the cost becomes high. In particular, a large cubicle is formed by connecting multiple units (electrical equipment storage boxes) designed as a small cubicle, so the unit located in the middle does not have left and right side plates, resulting in a diagonal appearance. It became difficult and it was difficult to install the top plate.

In view of the above problems, the present invention has a structure in which the upper part of the unit on which the top plate is installed is made solid and the top plate is easily attached. The purpose is to provide a box.

In order to solve the above-mentioned problems, the invention of claim 1 comprises one or a plurality of rectangular units having at least front and rear surfaces, a bottom surface, and an upper surface among the six surrounding surfaces closed, which are connected in the left-right direction. An electric equipment storage box that forms an equipment storage space for storing electric equipment including a transformer, and is provided with a ventilation device on the ceiling of the equipment storage space . A wall surface is provided on the side surface to form a closed device storage space, and a top plate that closes the upper surface of the device storage space is installed for each unit through a reinforcing frame, and the reinforcing frame is a quadrangle that matches the shape of the unit. Of the reinforcement frame and a crosspiece arranged in the center of the frame in the front-rear direction and arranged at the upper end of the equipment storage space. Each side of the reinforcement frame has a flat upper surface for mounting the top plate. Is formed in an L-shaped cross section having a side portion and a side portion that hangs around, and the top plate includes a pair of closing plates for closing the opening of the reinforcing frame separated by the crosspiece, and one closing The plate is characterized by being formed with an exhaust hole for attaching a ventilation device.
According to this configuration, the reinforcing frame is provided on the upper part of each unit, and the top plate is installed via this reinforcing frame, so that the upper part can be made rigid and difficult to be distorted even if the unit is opened on the side. Therefore, even if the electric device storage box has a structure in which a plurality of units are connected, it is easy to attach the top plate and it is easy to fabricate an exhaust structure through the top plate. Furthermore, since the reinforcing frame has a flat upper surface for attaching the top plate, it is possible to work with the top plate placed.
Further, since the top plate is composed of a pair of closing plates, it is lightweight and easy to handle.

A second aspect of the invention is characterized in that, in the configuration according to the first aspect, a portion of the reinforcing frame to which the top plate is attached is formed so as to extend toward the inside and be wide.
According to this configuration, since the upper surface of the reinforcing frame to which the top plate is attached is formed to be wide, the top plate can be easily attached, and the strength of the reinforcing frame is increased, so that the upper part of the unit can be made more robust. Further, since the frame body is partially widened, the weight increase can be minimized.

According to a third aspect of the present invention, in the configuration according to the first or second aspect, a corner portion corresponding to the unit end portion of the closing plate is formed with a notch for operating an eyebolt attached to the roof plate. Is characterized by.
According to this configuration, the eyebolt can be operated even if the top of the unit is closed by the top plate, and there is no difficulty in mounting the eyebolt.

According to a fourth aspect of the present invention, in the configuration according to any one of the first to third aspects, a horizontally elongated reinforcing metal member having an L-shaped cross section is fixed to the front and rear ends of the closing plate, and the reinforcing metal member is attached to a hanging side of the reinforcing metal member. Is characterized by comprising a plurality of openings for supporting wiring.
According to this structure, the closing plate can be made strong by the reinforcing metal member, and the wiring can be supported by the hanging side of the reinforcing metal member, so that a separate supporting member is not required.

According to the present invention, since the rectangular reinforcing frame is attached to the upper end of the unit that forms the device storage space, the unit can have a strong upper portion even if it is open on the side. The reinforcing frame has a flat upper surface for installing the top plate, and the top plate can be easily attached. Further, since the top plate attached to the unit is composed of a pair of closing plates, it is lightweight and easy to handle.

It is explanatory drawing which shows an example of the electrical equipment storage box which concerns on this invention, (a) is a front view, (b) is sectional explanatory drawing seen from the right side. It is explanatory drawing of A part, (a) is a cross-sectional view, (b) is the figure seen from lower part. It is a B section enlarged view. A reinforcement frame is shown, (a) is a plane explanatory view, (b) is a front explanatory view. It is a partial enlarged view of a reinforcement frame, (a) is a C section enlarged view, (b) is a D section enlarged view. It is the figure which looked at the top plate attached to the reinforcement frame from the lower part. It is an enlarged view of part E. A division plate is shown, (a) is the figure seen from the bottom, and (b) is a side view. It is a front view of a division plate.

Hereinafter, embodiments that embody the present invention will be described in detail with reference to the drawings. 1A and 1B are explanatory views showing an example of an electric device storage box according to the present invention. FIG. 1A is a front view and FIG. 1B is a right side view. However, in order to explain the state of the equipment storage space for storing the internal electric equipment, the door that closes the front surface is omitted in FIG. 1A, and FIG. 1B shows the vertical cross section viewed from the right side. There is.

The electric equipment storage box 1 is closed on the front side by a door 10 as a wall surface, on the side and back sides by left and right side plates 11 and a back plate 12 as wall surfaces, and further closed by having a bottom plate 13 and a top plate 14. The inside of the device storage space is configured to be closed. Further, a roof plate 15 is provided on the top plate 14, and these are assembled on the bottom frame 16 so that they can be installed outdoors. A space is provided between the top plate 14 and the roof plate 15 for discharging the exhaust air from the ventilation fan 2, which is a ventilation device attached to the ceiling, to the outside. Further, 10a is a handle provided on the door 10.

The electric equipment storage box 1 shown in FIG. 1 has a basic unit (unit) configuration, and a large electric equipment storage box is formed by connecting the units in the left-right direction. For example, the width W of the electric device storage box of FIG. 1 is about 1.6 meters, the depth D is about 1.7 meters, and the height H is about 2.4 meters, and this dimension is the dimension of one unit.

The roof plate 15 has a flat top surface which is hung on the back and inclined downward. Eye bolts 17 used for lifting are provided at the four corners and the front and rear central portions.

2A and 2B are enlarged explanatory views of a portion A, FIG. 2A is a cross-sectional view, and FIG. 2B is a view seen from below. As shown in FIG. 2, the roof plate 15 has large eaves portions 15a on the front and rear sides, and is formed so as to protrude greatly in the front and rear direction. A slit 15b for discharging the air discharged by the ventilation fan 2 is formed on the lower surface of the protruding eave portion 15a.

Further, FIG. 3 is an enlarged view of the portion B, and shows the upper part of the device storage space. In FIG. 3, reference numeral 3 denotes a reinforcing frame which is arranged in the upper part of the storage space and prevents the upper part of the unit from being deformed. As shown in FIG. It is attached.

4 and 5 show this reinforcing frame 3, FIG. 4(a) is an explanatory plan view of the reinforcing frame 3, FIG. 4(b) is an explanatory front view, FIG. 5(a) is an enlarged view of part C, and FIG. b) is an enlarged view of the D portion. The reinforcing frame 3 is a rectangular frame body formed according to the width and depth of the unit.
As shown in FIG. 5, each side of the reinforcing frame 3 has an L-shaped cross section, has a flat upper surface portion 3a and a hanging side surface portion 3b, and a bar-shaped crosspiece portion 31 is provided at the center in the front-rear direction. Therefore, the top plate 14 can be installed by dividing the top plate 14 into left and right parts. The crosspiece 31 is also formed by using two members having an L-shaped cross section, and has a flat upper surface portion 3a and a flat side surface portion 3b.

Further, the flat upper surface portions 3a of the side frames 32 arranged on the left and right of the reinforcing frame 3 have the widened portions 32a which are widened inward, so that the top plate 14 can be mounted more easily. Further, also in the cross section 31, the flat upper surface portion 3a has the widened portion 31a widened to the left and right, which facilitates mounting of the top plate 14. As described above, since the reinforcing frame 3 has the flat upper surface portion 3a for mounting the top plate 14, the reinforcing frame 3 can be operated with the top plate 14 placed and can be easily mounted. Particularly, since the left and right upper surface portions 3a of the reinforcing frame 3 and the upper surface portion 3a of the crosspiece portion 31 are formed wide, the top plate 14 can be easily attached, and the strength of the reinforcing frame 3 is increased to increase the upper portion of the unit. Can be made more robust. Further, since the frame body is partially widened, the weight increase can be minimized. On the other hand, since the top plate 14 can be divided, it is lightweight and easy to handle.

FIG. 6 shows a state in which the top plate 14 is attached to the reinforcing frame 3, and is a view seen from below. As shown in FIG. 6, the reinforcing frame 3 having left and right divided openings is formed so as to be closed by using four dividing plates 20 described later. That is, the top plate 14 is composed of four division plates 20. Further, an exhaust hole (shown in FIG. 8) 20a for the ventilation fan 2 is provided in any one of the four divided plates 20, and a ventilation fan attachment portion is formed.
In addition, a closing plate 21 that connects two split plates 20 to close one opening of the reinforcing frame 3 is formed, and the top plate 14 that closes the entire reinforcing frame 3 is formed by using two closing plates 21. I am configuring.

8 and 9 show the division plate 20, FIG. 8A is a view seen from below, FIG. 8B is a side view, and FIG. 9 is a front view. In FIG. 8, the division plate 20 to which the ventilation fan 2 is attached is shown, and an exhaust hole 20a is formed. The other split plates 20 have the same overall shape except that the exhaust holes 20a and screw holes for attaching the ventilation fan are not provided.
As shown in FIG. 8( b ), the dividing plate 20 has an abutting surface 20 b that is formed by bending the end portion that connects the dividing plates to each other to form the closing plate 21, and abuts the abutting surface 20 b. The surfaces are brought into contact with each other and bolted together for connection. Further, a reinforcing metal member 20c for reinforcing the split plate 20 is welded to the lower surface of the opposite side.
The reinforcing metal member 20c is a plate body bent in an L shape, and has a plurality of holes 22 formed in the hanging side 20d as shown in FIG. 9 to serve as a portion for fixing the wiring of the accommodated electric device. Has been formed. The hole 23 formed in the contact surface 20b is a bolt insertion hole.

Further, the left and right end portions of the side of the split plate 20 to which the reinforcing metal fitting 20c is attached are provided with cutout portions 14a so that a specific portion is opened even after being attached to the reinforcing frame 3. That is, even if the top plate 14 is installed, the four corners of the ceiling of the equipment storage space are formed to be open.
FIG. 7 is an enlarged view of the E portion and shows the formation portion of the cutout portion 14a. In FIG. 7, reference numeral 17a denotes a fixing portion which is a base portion of the eyebolt 17, and as shown in FIG. 7, the eyebolt 17 can be attached through an opening formed by the cutout portion 14a. After the eyebolt 17 is attached, the notch 14a is closed by the cover plate 24.

The dividing plate 20 may be placed on the reinforcing frame 3 as shown in FIG. 6 and bolted, and then the dividing plates 20 arranged in front and rear may be connected to each other to form the closing plate 21. May be attached to the reinforcing frame 3 after forming the blocking plate 21 by connecting them.

In this way, the reinforcing frame 3 is provided in the upper part for each unit, and the top plate 14 is installed through the reinforcing frame 3, so that the unit can be made to be strong in the upper part and difficult to be distorted even if the unit is opened laterally. .. Therefore, even if the electric device storage box 1 has a structure in which a plurality of units are connected, the top plate 14 can be easily attached, and an exhaust structure through the top plate can be easily manufactured. Moreover, since the top plate 14 is composed of the pair of closing plates 21, it is lightweight and easy to handle.
Further, the eyebolt 17 can be operated even when the upper portion of the unit is closed by the top plate 14, and the mounting operation of the eyebolt 17 does not become difficult.
Further, since the closing plate 21 can be made rigid by the reinforcing metal fitting 20c and the wiring can be supported by the hanging side 20d of the reinforcing metal fitting 20c, a separate wiring supporting member is not required.
Further, since the closing plate 21 is further divided into two parts, the top plate 14 is divided into four parts, which is small and lightweight and is easy to handle, and the dividing plates 20 are connected by abutting the contact surfaces 20b formed upright. The strength of the central portion of the closing plate 21 can be increased, and no additional reinforcing member is required.

In the above embodiment, the electric device storage box 1 in which the reinforcing frame 3 is assembled to one unit has been described. However, when the electric device to be stored is large or the number of devices to be stored is too large to be stored in one unit, The device storage space is expanded by connecting a plurality of these units to the left and right. In that case, the reinforcing frame 3 is also attached for each unit. Further, since the left and right side plates are eliminated in the unit arranged in the middle, the upper portion is easily distorted, but disposing the reinforcing frame 3 can prevent the distortion and smoothly perform diagonally extending.
Further, the size of the unit that requires the strength increase of the electric device storage box 1 by the reinforcing frame 3 effectively works in the above dimension, but if the width and depth are units of 1 meter or more, the reinforcing frame The presence of 3 has an effect.
Further, the two dividing plates 20 are connected to each other to form the closing plate 21, but depending on the size of the electric device storage box 1 (size of the unit), the closing plate 21 may not be formed separately. It may be used as a plate.

1・・Electrical equipment storage box, 2・・Ventilation fan (ventilator), 3・・Reinforcement frame, 3a・・Top part, 3b・・Side part, 11・・Side plate, 12・・Back plate, 13・・Bottom plate , 14... Top plate, 14a... Cutout part, 15... Roof plate, 17... Eye bolt, 20... Dividing plate, 20a... Exhaust hole, 20b... Contact surface, 20c... Reinforcing metal fittings, 20d... Hanging side, 21... Closing plate, 24... Lid plate, 31... Cross section, 31a... Widened section, 32a... Widened section

Claims (4)

Of the six surrounding surfaces, at least the front and back surfaces, the bottom surface, and the top surface are closed, and one or a plurality of rectangular units are connected in the left-right direction to form a device storage space for storing an electric device including a storage battery or a transformer. An electrical equipment storage box provided with a ventilation device on the ceiling of the equipment storage space,
A wall surface is provided on the side surface of the unit corresponding to the left and right side surfaces of the electric device storage box, and the device storage space is closed and formed.
A top plate for closing the upper surface of the device storage space is installed via a reinforcing frame for each unit,
The reinforcing frame has a rectangular frame body matching the shape of the unit and a crosspiece portion arranged in the front-rear direction at the center of the frame body, and is arranged at the upper end of the device storage space.
Each side of the reinforcing frame is formed in an L-shaped cross section having a flat upper surface portion for mounting the top plate and a side surface portion hanging down to the periphery,
The top plate includes a pair of closing plates that close the opening of the reinforcing frame separated by the crosspiece, and one of the closing plates has an exhaust hole for attaching the ventilation device. Electric equipment storage box characterized by the following. 2. The electric device storage box according to claim 1, wherein a portion of the reinforcing frame to which the top plate is attached is formed so as to extend inward and be wide. The electrical equipment storage box according to claim 1 or 2, wherein a corner portion corresponding to the unit end portion of the closing plate is formed with a notch for operating an eyebolt attached to the roof plate. Reinforcing metal fittings having an L-shaped cross section are fixed to the front and rear ends of the closing plate,
4. The electric equipment storage box according to claim 1, wherein a plurality of openings for supporting wiring are formed in the hanging side of the reinforcing metal fitting.

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