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JP6978364B2 - Electrical equipment storage box - Google Patents
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JP6978364B2 - Electrical equipment storage box - Google Patents

Electrical equipment storage box Download PDF

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JP6978364B2
JP6978364B2 JP2018063401A JP2018063401A JP6978364B2 JP 6978364 B2 JP6978364 B2 JP 6978364B2 JP 2018063401 A JP2018063401 A JP 2018063401A JP 2018063401 A JP2018063401 A JP 2018063401A JP 6978364 B2 JP6978364 B2 JP 6978364B2
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protective plate
bus bar
support
electrical equipment
bar structure
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JP2019176640A (en
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悟 林
淳史 伊藤
翔馬 伊藤
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Nitto Kogyo Corp
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Nitto Kogyo Corp
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Description

本発明は、電気機器収納用箱に関するものである。 The present invention relates to a box for storing electrical equipment.

分電盤や配電盤では、導電部に手が接触することによる感電の防止や、異物の侵入防止を目的として、導電部を覆う保護板が広く用いられている。保護板を支持するために、柱状の支持部材が保護板の両端を支えるように電気機器収納用箱の筐体本体に取り付けられていたが、特許文献1に記載されているように、この支持部材は分岐ブレーカや母線バーなどで構成される内器ユニットの両外側に位置するように、筐体本体に取り付けられていた。 In distribution boards and distribution boards, a protective plate that covers the conductive portion is widely used for the purpose of preventing electric shock due to contact with the conductive portion and preventing foreign matter from entering. In order to support the protective plate, a columnar support member was attached to the housing body of the electrical equipment storage box so as to support both ends of the protective plate, but as described in Patent Document 1, this support The members were attached to the housing body so as to be located on both outer sides of the internal unit composed of a branch breaker, a bus bar, and the like.

特開2014−150699号公報Japanese Unexamined Patent Publication No. 2014-150699

ところで、柱状の支持部材が筐体本体に取り付けられていると、支持部材を取り付けるための設置面が筐体本体に必要となる。保護板の両端ともに柱状の支持部材で支えると、この支持部材の設置のために確保すべきスペースが大きくなるため、筐体本体が大きくなっていた。 By the way, when the columnar support member is attached to the housing body, an installation surface for attaching the support member is required for the housing body. When both ends of the protective plate are supported by columnar support members, the space required for installing the support members increases, so that the housing body becomes large.

本件の発明者は、この点について鋭意検討することにより、解決を試みた。本発明の課題は、保護板の支持用に設置される支持部材のために必要なスペースが抑制された電気機器収納用箱とすることである。 The inventor of this case tried to solve this problem by diligently examining this point. An object of the present invention is to provide a box for storing electrical equipment in which the space required for a support member installed for supporting a protective plate is reduced.

上記課題を解決するため、主幹ブレーカと、分岐ブレーカと、分岐ブレーカへ電力を供給する複数の母線バーを備えた母線バー構造体と、分岐ブレーカの導電部を覆う保護板と、を筐体本体内に備えた電気機器収納用箱であって、筐体本体内に設けられる支持部材と、母線バー構造体に設けた支持部と、が保護板を支持する電気機器収納用箱とする。 In order to solve the above problems, the housing body includes a main circuit breaker, a branch breaker, a bus bar structure having a plurality of bus bars for supplying power to the branch breaker, and a protective plate that covers the conductive portion of the branch breaker. It is an electric device storage box provided inside, and the support member provided in the housing body and the support portion provided in the bus bar structure form an electric device storage box that supports the protective plate.

また、母線バー構造体に設けた支持部が、保護板を回動自在に支持する構成とすることが好ましい。 Further, it is preferable that the support portion provided in the bus bar structure rotatably supports the protective plate.

また、母線バーの側面側に配置される保護プレートを保持するための保持部を、母線バー構造体に設けた支持部に備えた構成とすることが好ましい。 Further, it is preferable that the holding portion for holding the protective plate arranged on the side surface side of the bus bar is provided in the support portion provided in the bus bar structure.

本発明では、保護板の支持用に設置される支持部材のために必要なスペースが抑制されることで、従来よりも電気機器収納用箱のサイズを小さくすることが可能となる。 In the present invention, the space required for the support member installed for supporting the protective plate is reduced, so that the size of the electric device storage box can be made smaller than before.

内器ユニットを筐体本体に収納した電気機器収納用箱を示す斜視図である。It is a perspective view which shows the electric equipment storage box which stored the internal unit in the housing body. 取付レール上に内器ユニットが固定された状態を示す斜視図である。但し、保護板は閉じている。It is a perspective view which shows the state which the internal unit is fixed on the mounting rail. However, the protective plate is closed. 取付レール上に内器ユニットが固定された状態を示す斜視図である。但し、保護板は開いている。It is a perspective view which shows the state which the internal unit is fixed on the mounting rail. However, the protective plate is open. 図2のIV-IV断面図である。FIG. 2 is a sectional view taken along line IV-IV of FIG. 母線バー構造体の設けた支持部に保護板を支持させた状態を示す斜視図である。ただし、分岐ブレーカは省略している。It is a perspective view which shows the state which the protection plate was supported by the support part provided with the bus bar structure. However, the branch breaker is omitted. 図5の部分拡大図である。It is a partially enlarged view of FIG. 図6に示される部品の分解斜視図である。It is an exploded perspective view of the component shown in FIG. 保護プレートと支持部の分解斜視図である。It is an exploded perspective view of a protective plate and a support part. 図8と異なる方向から見た保護プレートと支持部の分解斜視図である。It is an exploded perspective view of the protection plate and the support part seen from the direction different from FIG. 支持部の両端で各々別の保護板を支えた例を示す図である。It is a figure which shows the example which supported different protection plates at both ends of a support part.

以下に発明を実施するための形態を示す。本実施形態の電気機器収納用箱1は、主幹ブレーカ11と、分岐ブレーカ12と、分岐ブレーカ12へ電力を供給する複数の母線バー13を備えた母線バー構造体14と、分岐ブレーカ12の導電部を覆う保護板15と、を筐体本体10内に備えている。また、この筐体本体10内に設けられる支持部材17と、母線バー構造体14に設けた支持部18と、が保護板15を支持する。このため、保護板15の支持用に設置される支持部材17のために必要なスペースが抑制された電気機器収納用箱1とすることができる。 The embodiment for carrying out the invention is shown below. The electrical equipment storage box 1 of the present embodiment includes a main circuit breaker 11, a branch breaker 12, a bus bar structure 14 including a plurality of bus bars 13 for supplying electric power to the branch breaker 12, and a conductive of the branch breaker 12. A protective plate 15 for covering the portion is provided in the housing body 10. Further, the support member 17 provided in the housing body 10 and the support portion 18 provided in the bus bar structure 14 support the protective plate 15. Therefore, the electric device storage box 1 can be obtained in which the space required for the support member 17 installed for supporting the protective plate 15 is suppressed.

図1に示すように、実施形態の電気機器収納用箱1は分電盤や配電盤などに用いられるものであり、筐体本体10に取付レール22が固定されている。また、図2及び図3に示すことから理解されるように、この取付レール22には内器ユニット23が取り付けられている。図4及び図5に示すことから理解されるように、内器ユニット23の一つには、架台31の上に配置された分岐ブレーカ12と、主幹ブレーカ11から分岐ブレーカ12へ電力を供給する複数の母線バー13を備えた母線バー構造体14と、分岐ブレーカ12の導電部を覆う保護板15と、を備えている。なお、分岐ブレーカ12は架台31上に配置されたブレーカ取付部32に取り付けられている。また、他の内器ユニット23には主幹ブレーカ11を備えている。実施形態の取付レール22には、保護板15を支持するために用いられる柱状の支持部材17も固定されている。 As shown in FIG. 1, the electric device storage box 1 of the embodiment is used for a distribution board, a distribution board, or the like, and a mounting rail 22 is fixed to a housing body 10. Further, as can be understood from those shown in FIGS. 2 and 3, the internal unit 23 is mounted on the mounting rail 22. As can be understood from FIGS. 4 and 5, one of the internal unit units 23 supplies electric power from the branch breaker 12 arranged on the gantry 31 and the main breaker 11 to the branch breaker 12. A bus bar structure 14 having a plurality of bus bars 13 and a protective plate 15 for covering the conductive portion of the branch breaker 12 are provided. The branch breaker 12 is attached to the breaker mounting portion 32 arranged on the gantry 31. Further, the other internal unit 23 is provided with a main breaker 11. A columnar support member 17 used for supporting the protective plate 15 is also fixed to the mounting rail 22 of the embodiment.

図6及び図7に示すことから理解されるように、実施形態においては、複数の母線バー13が保持された母線バー構造体14に保護板15の一方端部を支持する支持部18を設けている。また、電気機器収納用箱1内には、保護板15の他方端部を支持する支持部材17を設けている。このような構成とすることで、母線バー構造体14の支持部18と支持部材17とで、保護板15を支持する。保護板15は、支持部18と支持部材17に対して、ねじ固定しても構わないが、どちらか一方に回動機構を設け、保護板15を回動自在とすることが好ましい。このような構成にすることで、筐体本体10内の点検が行いやすくなる。実施形態においては、母線バー構造体14に設けた支持部18が、保護板15を回動自在に支持する構成としている。なお、支持部材17は、筐体本体10の内部に設けられればよく、筐体本体10内の上下方向に配置された取付レール22上や、基板上でも構わないし、筐体本体10の側面や水切りに固定するように設けても構わない。 As can be seen from FIGS. 6 and 7, in the embodiment, the bus bar structure 14 in which the plurality of bus bars 13 are held is provided with the support portion 18 for supporting one end of the protective plate 15. ing. Further, a support member 17 for supporting the other end of the protective plate 15 is provided in the electric device storage box 1. With such a configuration, the protective plate 15 is supported by the support portion 18 and the support member 17 of the bus bar structure 14. The protective plate 15 may be screw-fixed to the support portion 18 and the support member 17, but it is preferable to provide a rotation mechanism on either one of the support plate 15 so that the protective plate 15 can be rotated. With such a configuration, it becomes easy to inspect the inside of the housing body 10. In the embodiment, the support portion 18 provided in the bus bar structure 14 is configured to rotatably support the protective plate 15. The support member 17 may be provided inside the housing body 10, and may be on the mounting rails 22 arranged in the vertical direction in the housing body 10 or on the board, or on the side surface of the housing body 10. It may be provided so as to be fixed to the drainer.

実施形態の母線バー構造体14は、3本の母線バー13と、母線バー13間の間隔を維持するためのスペーサ部材24と、それらを一体で保持する保持部材25を備えている。スペーサ部材24と保持部材25は、母線バー13の長手方向に間隔をあけて複数設けることで、母線バー13を保持している。スペーサ部材24と保持部材25は、樹脂製である。 The bus bar structure 14 of the embodiment includes three bus bars 13, a spacer member 24 for maintaining a distance between the bus bars 13, and a holding member 25 for integrally holding the spacer members 24. A plurality of spacer members 24 and holding members 25 are provided at intervals in the longitudinal direction of the bus bar 13 to hold the bus bar 13. The spacer member 24 and the holding member 25 are made of resin.

また、母線バー構造体14には支持部18を設けている。支持部18は、母線バー構造体14に固定されるバー側固定部26と、保護板15に固定される板側固定部27を備えており、バー側固定部26と板側固定部27が軸部28を介して回動可能に連結されることで、保護板15を回動自在とする。図6乃至図8に示すことから理解されるように、支持部18を複数の部材で形成すれば、保護板15と母線バー13との絶縁を確保しやすくなる。 Further, the bus bar structure 14 is provided with a support portion 18. The support portion 18 includes a bar-side fixing portion 26 fixed to the bus bar structure 14 and a plate-side fixing portion 27 fixed to the protective plate 15, and the bar-side fixing portion 26 and the plate-side fixing portion 27 are provided. The protective plate 15 is rotatably connected by being rotatably connected via the shaft portion 28. As can be understood from FIGS. 6 to 8, if the support portion 18 is formed of a plurality of members, it becomes easy to secure the insulation between the protective plate 15 and the bus bar 13.

バー側固定部26は、母線バー構造体14の如何なる箇所に固定されてもよいが、母線バー構造体14の保持部材25に固定することで、母線バー13とバー側固定部26との絶縁を確保しやすくなる。また、保護板15を閉じた状態とした際に、バー側固定部26と板側固定部27との間に保護プレート39が位置するように形成することで、保護板15を回動した際にも、保護板15が母線バー13に接触することを避けることができる。 The bar-side fixing portion 26 may be fixed to any position on the bus-side fixing portion 14, but by fixing to the holding member 25 of the bus-side bar structure 14, the bus-side fixing portion 26 is insulated from the bus-side fixing portion 26. It becomes easier to secure. Further, when the protective plate 15 is rotated, the protective plate 39 is formed so as to be located between the bar-side fixing portion 26 and the plate-side fixing portion 27 when the protective plate 15 is closed. In addition, it is possible to prevent the protective plate 15 from coming into contact with the bus bar 13.

実施形態のバー側固定部26は、断面略L字形状とし、母線バー13の正面と側面とを覆うように配置される。母線バー13の側面側に配置される保護プレート19を保持するための保持部21を、母線バー構造体14に設けた支持部18に備えた構成とすることが好ましい。この保持部21に保持された保護プレート19の存在により、保護板15を回動した際であっても、保護板15の端部と母線バー13との絶縁を確保しやすくなる。実施形態においては、バー側固定部26に母線バー13の側面側に配置される保護プレート19を保持する保持部21を設けている。 The bar-side fixing portion 26 of the embodiment has a substantially L-shaped cross section, and is arranged so as to cover the front surface and the side surface of the bus bar 13. It is preferable that the holding portion 21 for holding the protective plate 19 arranged on the side surface side of the bus bar 13 is provided in the support portion 18 provided in the bus bar structure 14. Due to the presence of the protective plate 19 held by the holding portion 21, it becomes easy to secure the insulation between the end portion of the protective plate 15 and the bus bar 13 even when the protective plate 15 is rotated. In the embodiment, the bar-side fixing portion 26 is provided with a holding portion 21 for holding the protective plate 19 arranged on the side surface side of the bus bar 13.

図1から図9に示す例では、母線バー構造体14の片側に分岐ブレーカ12を配置した構造を示しているが、図10に示すように、母線バー構造体14の両側に分岐ブレーカ12を配置した構造であっても構わない。この場合、母線バー構造体14上には、左側の保護板15を回動自在に支持する支持部18と、右側の保護板15を回動自在に支持する支持部18が配置される。左側の支持部18と右側の支持部18のバー側固定部26を共通にすることで、部材を減らすことができる。 In the examples shown in FIGS. 1 to 9, the structure in which the branch breakers 12 are arranged on one side of the bus bar structure 14 is shown, but as shown in FIG. 10, the branch breakers 12 are provided on both sides of the bus structure 14. It may be an arranged structure. In this case, a support portion 18 that rotatably supports the protection plate 15 on the left side and a support portion 18 that rotatably supports the protection plate 15 on the right side are arranged on the bus bar structure 14. By making the bar-side fixing portion 26 of the support portion 18 on the left side and the support portion 18 on the right side common, the number of members can be reduced.

以上、実施形態を例に挙げて本発明について説明してきたが、本発明は上記実施形態に限定されることはなく、各種の態様とすることが可能である。 Although the present invention has been described above by taking an embodiment as an example, the present invention is not limited to the above embodiment and can be various modes.

11 主幹ブレーカ
12 分岐ブレーカ
13 母線バー
14 母線バー構造体
15 保護板
17 支持部材
18 支持部
19 保護プレート
21 保持部
11 Main circuit breaker 12 Branch breaker 13 Bus bar 14 Bus bar structure 15 Protective plate 17 Support member 18 Support part 19 Protective plate 21 Holding part

Claims (3)

主幹ブレーカと分岐ブレーカと分岐ブレーカへ電力を供給する複数の母線バーを備えた母線バー構造体と分岐ブレーカの導電部を覆う保護板とを筐体本体内に備えた電気機器収納用箱であって、筐体本体内に設けられる支持部材と母線バー構造体に設けた支持部とが保護板を支持する電気機器収納用箱。 It is a box for storing electrical equipment that has a bus bar structure with a main breaker, a branch breaker, and a plurality of bus bars that supply power to the branch breaker, and a protective plate that covers the conductive part of the branch breaker inside the housing body. A box for storing electrical equipment in which a support member provided in the main body of the housing and a support portion provided in the bus bar structure support a protective plate. 母線バー構造体に設けた支持部が、保護板を回動自在に支持する請求項1に記載の電気機器収納用箱。 The electrical equipment storage box according to claim 1, wherein the support portion provided on the bus bar structure rotatably supports the protective plate. 母線バーの側面側に配置される保護プレートを保持するための保持部を、母線バー構造体に設けた支持部に備えた請求項1又は2に記載の電気機器収納用箱。 The electrical equipment storage box according to claim 1 or 2, wherein a holding portion for holding a protective plate arranged on the side surface side of the bus bar is provided on a support portion provided in the bus bar structure.
JP2018063401A 2018-03-29 2018-03-29 Electrical equipment storage box Active JP6978364B2 (en)

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