JP7030456B2 - Switchgear - Google Patents

Description

Embodiments of the present invention relate to switchgear.

Conventionally, a switchgear including a housing and a partition member for partitioning the inside of the housing is known. In a switchgear having such a configuration, for example, the flow of high-temperature or high-pressure gas generated in the housing is suppressed by the partition member, so that the outer wall of the housing facing the partition member is suppressed from being deformed by the gas. Easy to do.

Japanese Unexamined Patent Publication No. 2013-12127

In this type of switchgear, for example, it is preferable to obtain a new configuration in which a partition member can be easily attached.

The switchgear of the embodiment includes, for example, a housing, a partition member, a hooking portion, and a supporting portion. The partition member is provided in the housing and partitions the inside of the housing. The hooking portion is provided on the partition member. The support portion is fixed to the housing, and the hook portion is hooked to support the partition member via the hook portion. The support portion is provided with an opening in which a part of the hook portion is inserted. The opening extends in the vertical direction of the housing and extends in a direction intersecting the vertical direction from the first portion and the first portion whose lower end is closed by the support portion, and opens on the side opposite to the first portion. Includes the second part and. The support portion has a hook-shaped portion facing the opening.

FIG. 1 is an exemplary and schematic side view of the switchgear of the first embodiment. FIG. 2 is an exemplary and schematic perspective view of the switchgear of the first embodiment, and is a view in a state where the rear door is opened. FIG. 3 is an exemplary and schematic exploded perspective view of the partition member of the switchgear of the first embodiment and the mounting structure of the partition member. FIG. 4 is an exemplary and schematic perspective view of the switchgear of the second embodiment, and is a view in a state where the rear door is opened. FIG. 5 is an exemplary and schematic exploded perspective view of the partition member of the switchgear of the second embodiment and the mounting structure of the partition member.

Hereinafter, exemplary embodiments of the present invention will be disclosed. The configurations of the embodiments shown below, as well as the actions and results (effects) brought about by the configurations, are examples.

Also, the plurality of embodiments disclosed below include similar components. Therefore, in the following, common reference numerals are given to these similar components, and duplicate explanations are omitted. In each of the following figures, for convenience, three directions orthogonal to each other are defined. The X direction is along the front-rear direction of the housing 2, the Y direction is along the width direction of the housing 2, and the Z direction is along the height direction (vertical direction) of the housing 2. Further, in the present specification, the ordinal numbers are given for convenience in order to distinguish parts, parts, etc., and do not indicate the priority order or the order.

<First Embodiment>
The switchgear 1 shown in FIGS. 1 and 2 is installed in, for example, an electric room of a building. The switchgear 1 includes a housing 2. The switchgear 1 is a so-called metal closed switchgear in which accommodating parts (accommodations) such as a circuit breaker and a protective relay (not shown) are accommodated in a metal housing 2. A plurality of chambers R are provided in the housing 2, and a plurality of accommodating parts are dispersedly arranged in the plurality of chambers R. The housing 2 has, for example, a circuit breaker, a transformer for an instrument, and a power receiving panel that mainly receives power, and a cable for supplying a load via a circuit breaker, a current transformer, a zero-phase current transformer, and the like. Includes a feeder board from which the main bus is pulled out, a bus connecting board that separates the main bus for each system with a circuit breaker, and the like. The housing 2 may also be referred to as a board, a closed box, or the like.

The housing 2 is configured in a rectangular parallelepiped box shape, for example. The housing 2 has a plurality of wall portions 2a to 2f as outer wall portions.

Both the wall portion 2a and the wall portion 2b extend in a direction orthogonal to the Z direction (XY plane), and are provided in parallel with each other at intervals in the Z direction. The wall portion 2a is referred to as a top wall portion, an upper wall portion, or the like, and the wall portion 2b is also referred to as a bottom wall portion, a lower wall portion, or the like.

Further, both the wall portion 2c and the wall portion 2e extend along a direction orthogonal to the X direction (YZ plane), and are provided in parallel with each other at intervals in the X direction. Further, both the wall portion 2d and the wall portion 2f extend in a direction orthogonal to the Y direction (XZ plane), and are provided in parallel with each other at intervals in the Y direction. The wall portion 2c is also referred to as a front wall portion or the like, and the wall portion 2e is also referred to as a rear wall portion, a back wall portion or the like. Further, the wall portions 2c to 2f may also be referred to as a side wall portion, a peripheral wall portion, or the like.

Further, as shown in FIG. 2, the housing 2 is provided with a work opening 2g which is opened in the X direction and is covered with a rear door 8 so as to be openable and closable. The rear door 8 constitutes at least a part of the wall portion 2e. The rear door 8 is rotatably supported by the housing 2 via a hinge portion (not shown) having a rotation axis extending along an end (Z direction) opposite to the Y direction of the rear door 8. ing. The rear door 8 can be moved between a closed position (FIG. 1) in which the opening 2g is closed and an open position (FIG. 2) in which the opening 2g is opened by rotating around the rotation axis. The rear door 8 is an example of a door.

As shown in FIG. 1, a plurality of partition wall portions 2h are provided in the housing 2. These plurality of partition wall portions 2h partition the inside of the housing 2 into a plurality of chambers R. The plurality of partition wall portions 2h include a partition wall portion 2h1 facing the wall portion 2e in the X direction.

As shown in FIGS. 1 and 2, a partition member 3 is provided on the partition wall portion 2h1. The partition member 3 constitutes at least a part of the partition wall portion 2h1. That is, the partition member 3 partitions the inside of the housing 2.

As shown in FIGS. 2 and 3, the partition member 3 is formed in the shape of a square plate whose thickness direction is along the X direction. The partition member 3 is provided with a plurality of openings 3a. The opening 3a is a through hole that penetrates the partition member 3 in the thickness direction of the partition member 3.

The partition member 3 is attached to the housing 2 via the hooking portion 4 and the supporting portion 5. In the present embodiment, the partition member 3 is attached to the support portion 5 by hooking the hook portion 4 to the support portion 5 without using a fastener such as a bolt.

As shown in FIG. 3, the hooking portion 4 is provided on each of the end portion 3b (side portion) in the Y direction and the end portion 3c (side portion) in the opposite direction in the Y direction of the partition member 3. The hooking portion 4 provided on the end portion 3b and the hooking portion 4 provided on the end portion 3c have a symmetrical shape with respect to the XZ plane located between them.

The hook portion 4 has two wall portions 4a and 4b, and is configured in a substantially L shape when viewed along the Z direction. The wall portions 4a and 4b are both formed in a strip shape whose longitudinal direction is along the height direction of the housing 2, that is, the Z direction. The wall portion 4a extends along a direction (XZ plane) orthogonal to the Y direction. The wall portion 4a is fixed to the end portions 3b and 3c and extends in the X direction from the end portions 3b and 3c. The wall portion 4b extends along a direction (YZ plane) orthogonal to the X direction. The wall portion 4b extends outward in the width direction of the housing 2 from the end portion of the wall portion 4a in the X direction. That is, the wall portion 4b of the hook portion 4 provided at the end portion 3b extends in the Y direction from the wall portion 4a, and the wall portion 4b of the hook portion 4 provided at the end portion 3c is in the Y direction from the wall portion 4a. It extends in the opposite direction. The wall portions 4a and 4b may also be referred to as plate portions.

Further, the wall portion 4b is provided with a plurality of openings 4c. The plurality of openings 4c are arranged in a row at intervals in the height direction of the housing 2, that is, in the Z direction. The plurality of openings 4c penetrate the wall portion 4b in the thickness direction of the wall portion 4b, that is, in the X direction. The opening 4c is formed in a long hole shape that is long in the height direction of the housing 2, that is, in the Z direction. The opening 4c may also be referred to as a through hole.

The support portion 5 is provided for each of the two hook portions 4. That is, two support portions 5 are provided. The two support portions 5 are arranged so as to be spaced apart from each other in the Y direction. The support portion 5 is fixed to the housing 2. The support portion 5 can be fixed to the housing 2 by a coupling tool such as a bolt. The fixing of the support portion 5 to the housing 2 is not limited to this. The support portion 5 may also be referred to as a base.

The two supports 5 are symmetrical with respect to the XZ plane located between them. The support portion 5 has three wall portions 5a to 5c, and is configured in a substantially U shape when viewed along the Z direction. The wall portions 5a to 5c are all formed in a band shape whose longitudinal direction is along the height direction of the housing 2, that is, the Z direction. The wall portion 5a extends along a direction (YZ plane) orthogonal to the X direction. Both the wall portions 5b and 5c extend in a direction orthogonal to the Y direction (XZ plane), and are provided in parallel with each other at intervals in the Y direction. The wall portion 5b extends from the inner end portion of the wall portion 5a in the width direction of the housing 2 to the front side of the housing 2, that is, in the direction opposite to the X direction. The wall portion 5c extends from the outer end of the wall portion 5a in the width direction of the housing 2 to the front side of the housing 2, that is, in the direction opposite to the X direction. The wall portions 5a to 5c may also be referred to as plate portions.

Further, the wall portion 5b is provided with a plurality of openings 5d. The plurality of openings 5d are arranged in a row at intervals in the height direction of the housing 2, that is, in the Z direction. The plurality of openings 5d penetrate the wall portion 5b in the thickness direction of the wall portion 5b, that is, in the Y direction. The opening 5d includes a first portion 5e and a second portion 5f communicating with the first portion 5e, and is configured in a substantially L shape. The first part 5e and the second part 5f are continuous. The first portion 5e extends in the vertical direction (Z direction) of the housing 2. The lower end portion 5g of the first portion 5e is closed by the surface of the support portion 5, specifically, the wall portion 5b facing the opening 5d. The second portion 5f extends from the upper end portion of the first portion 5e to the front side of the housing 2, that is, in the direction opposite to the X direction, and opens on the side opposite to the first portion 5e. That is, the second portion 5f is open in the direction opposite to the X direction. The direction opposite to the X direction is an example of a direction that intersects the vertical direction of the housing 2.

Further, the wall portion 5b has a plurality of hook-shaped portions 5i. The plurality of hook-shaped portions 5i are arranged in a row at intervals in the height direction of the housing 2, that is, in the Z direction. The hook-shaped portion 5i is composed of a lower portion of each opening 5d in the wall portion 5b. That is, the hook-shaped portion 5i faces the opening 5d. The hook-shaped portion 5i may also be referred to as a protrusion.

In the above configuration, the partition member 3 is attached to the support portion 5 (housing 2) by hooking the hook portion 4 to the hook-shaped portion 5i of the support portion 5, and the partition member 3 is supported by the housing 2. When the hooking portion 4 is hooked on the support portion 5, the insertion portion 4d, which is the upper portion of the opening portion 4c in the hooking portion 4, is inserted into the second portion 5f of the opening portion 5d of the support portion 5. Move in the X direction. Next, the insertion portion 4d is inserted from the second portion 5f into the first portion 5e, moved in the opposite direction in the Z direction, that is, downward, and hooked on the hook-shaped portion 5i. As a result, a part of the support portion 5 (hook-shaped portion 5i) is inserted into the opening 4c of the hook portion 4, and a part of the hook portion 4 (insertion portion 4d) is inserted into the opening 5d of the support portion 5. It will be in the state of being hooked.

Further, in the above configuration, for example, when a high-temperature or high-pressure gas is generated in the housing 2 due to an abnormality or the like, the flow of the gas is suppressed by the partition wall portion 2h, so that the housing facing the partition wall portion 2h. It is easy to prevent the outer wall (wall portions 2a to 2f) of No. 2 from being deformed by the gas. As an example, when the partition member 3 constituting the partition wall portion 2h1 generates a high-temperature or high-pressure gas in the chamber R1 on the opposite side of the partition member 3 from the rear door 8, the gas is directed toward the rear door 8. Suppress the flow. This prevents the rear door 8 from being deformed by the gas. The gas flowing out of the chamber R1 from the chamber R1 through the opening 3a of the partition member 3 is discharged to the outside of the housing 2 from the opening provided in the wall portion 2a or the like, for example. Further, the gas generated in the chamber R other than the chamber R1 is also discharged to the outside of the housing 2 through the opening provided in the wall portion 2a or the like.

As described above, in the present embodiment, the switchgear 1 includes a housing 2, a partition member 3, a hooking portion 4, and a supporting portion 5. The partition member 3 is provided in the housing 2 and partitions the inside of the housing 2. Further, the hooking portion 4 is provided on the partition member 3. Further, the support portion 5 is fixed to the housing 2, and the hook portion 4 is hooked to support the partition member 3 via the hook portion 4. Therefore, according to the present embodiment, for example, when the partition member 3 is attached, the partition member 3 can be attached to the housing 2 by hooking the hooking portion 4 on the support portion 5. Therefore, for example, it is easier to attach the partition member 3 than the configuration in which the partition member 3 is attached to the support portion 5 by a fastening member such as a bolt that requires a tool.

<Second Embodiment>
The switchgear 1A of the present embodiment shown in FIGS. 4 and 5 has the same configuration as the switchgear 1 of the first embodiment. Therefore, the same result (effect) based on the same configuration as that of the first embodiment can be obtained by this embodiment as well.

However, in the present embodiment, for example, as shown in FIG. 4, a plurality of (for example, two) partition members 3 are provided on the partition wall portion 2h. The two partition members 3 are overlapped with each other in the X direction. Specifically, the two partition members 3 are overlapped with each other at intervals in the X direction. The two partition members 3 may be overlapped with each other in a state of being in contact with each other without a gap in the X direction.

As in the first embodiment, each partition member 3 is provided with two hooking portions 4. These two partition members 3 are attached together to the two support portions 5.

As shown in FIG. 5, the opening 5d of the wall portion 5b of the support portion 5 includes a plurality of (for example, two) first portions 5e and one second portion 5f. The two first portions 5e are arranged so as to be spaced apart from each other in the X direction. The second portion 5f leads to the upper ends of the two first portions 5e.

Further, the wall portion 5b has a plurality of hook-shaped portions 5i. The plurality of hook-shaped portions 5i are arranged in two rows at intervals in the height direction of the housing 2, that is, in the Z direction.

As described above, in the present embodiment, the plurality of partition members 3 are overlapped with each other. Therefore, as an example, when a high-temperature or high-pressure gas is generated in the chamber R1, the flow of the gas toward the back door 8 is further suppressed. As a result, the deformation of the back door 8 by the gas is further suppressed. Further, since the plurality of partition members 3 are overlapped with each other, it is easy to arrange the plurality of partition members 3 in the limited space in the housing 2.

Although the embodiments of the present invention have been illustrated above, the above embodiments are merely examples and are not intended to limit the scope of the invention. The above embodiment can be implemented in various other embodiments, and various omissions, replacements, combinations, and changes can be made without departing from the gist of the invention. The above-described embodiment is included in the scope and gist of the invention, and is also included in the scope of the invention described in the claims and the equivalent scope thereof. The present invention can be realized by a configuration other than the configuration disclosed in the above embodiment, and can obtain various effects (including derivative effects) obtained by the basic configuration (technical features). be. In addition, the specifications of each component (structure, type, direction, shape, size, length, width, thickness, height, number, arrangement, position, material, etc.) should be changed as appropriate. Can be done.

1,1A ... Switchgear, 2 ... Housing, 3 ... Partition member, 4 ... Hooking part, 5 ... Support part, 5d ... Opening part, 5e ... First part, 5f ... Second part, 5g ... Lower end part, 5i ... Hook-shaped part.

Claims (2)

With the housing
A partition member provided in the housing and partitioning the inside of the housing,
The hooking portion provided on the partition member and
A support portion fixed to the housing, the hook portion is hooked, and the partition member is supported via the hook portion.
Equipped with
The support portion is provided with an opening in which a part of the hook portion is inserted.
The opening extends in the vertical direction of the housing and extends in a direction intersecting the vertical direction from the first portion and the first portion whose lower end is closed by the support portion, and opens on the side opposite to the first portion. Including the second part
The support portion is a switchgear having a hook-shaped portion facing the opening. With the housing
A plurality of partitioning members provided in the housing, partitioning the inside of the housing, and overlapping with each other.
The hooking portion provided on the partition member and
A support portion fixed to the housing, the hook portion is hooked, and the partition member is supported via the hook portion.
With a switchgear.

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