JP2017147325A - Stationary induction apparatus and collective component - Google Patents

Stationary induction apparatus and collective component Download PDF

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JP2017147325A
JP2017147325A JP2016027929A JP2016027929A JP2017147325A JP 2017147325 A JP2017147325 A JP 2017147325A JP 2016027929 A JP2016027929 A JP 2016027929A JP 2016027929 A JP2016027929 A JP 2016027929A JP 2017147325 A JP2017147325 A JP 2017147325A
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cable
terminal box
cable pipe
pipe
stationary induction
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JP6788356B2 (en
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みどり 山下
Midori Yamashita
みどり 山下
塩田　広
Hiroshi Shioda
広 塩田
達也 樋口
Tatsuya Higuchi
達也 樋口
和昭 伊藤
Kazuaki Ito
和昭 伊藤
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Toshiba Industrial Products and Systems Corp
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Abstract

PROBLEM TO BE SOLVED: To provide a stationary induction apparatus having a terminal box into which rainwater hardly flows, and a collective component used in the same.SOLUTION: A stationary induction apparatus includes: a plurality of apparatuses 16, 18, 20, 22, 24; a terminal box 40; and cable pipings 30, 30a to 30i which connect the apparatuses and the terminal box and inside which wiring cables are housed. The cable pipings include at least one of branch parts 32a, 32b, 32c, 32d. From the plurality of apparatuses up to the terminal box, cable pipings are gathered in one cable piping 30 at the branch parts, and one cable piping is connected to the terminal box.SELECTED DRAWING: Figure 1

Description

本発明の実施形態は、静止誘導機器及び集合部品に関する。   Embodiments described herein relate generally to a stationary induction device and an assembly part.

静止誘導機器として、例えば変圧器の端子箱と各種センサ等の電子機器とを接続する配線ケーブルは、保護管に収納され１本ずつ配管されており、端子箱には多数の配管が接続されていた。しかし、変圧器は戸外に設置されるため、雨にあたる。そのため、端子箱に多くの配管が接続されると、それだけ雨水の侵入経路が増加するため、端子箱へ雨水が侵入する場合があった。   As a stationary induction device, for example, a wiring cable for connecting a terminal box of a transformer and an electronic device such as various sensors is housed in a protective tube and piped one by one, and a number of pipes are connected to the terminal box. It was. However, since the transformer is installed outdoors, it will rain. For this reason, if many pipes are connected to the terminal box, the rainwater intrusion path increases accordingly, and rainwater may enter the terminal box.

特開平９−１７６４４号公報Japanese Patent Laid-Open No. 9-17644

そこで、本発明の実施形態は、端子箱に雨水が浸入し難い静止誘導機器及びこれに使用される集合部品を提供することを目的とする。   Then, embodiment of this invention aims at providing the stationary induction apparatus with which rainwater does not penetrate | invade into a terminal box easily, and the assembly component used for this.

本実施形態に係る静止誘導機器は、複数の機器と端子箱と、前記機器と前記端子箱を接続し、内部に配線ケーブルを収納するケーブル配管とを備える。前記ケーブル配管は少なくとも一つの分岐部を備えており、前記ケーブル配管は、複数の前記機器から前記端子箱に至るまでに、前記分岐部において一本のケーブル配管に集合しており、前記一本のケーブル配管が前記端子箱に接続している。   The stationary induction device according to the present embodiment includes a plurality of devices, a terminal box, and a cable pipe that connects the device and the terminal box and houses a wiring cable therein. The cable pipe is provided with at least one branch part, and the cable pipe is gathered into one cable pipe at the branch part from the plurality of devices to the terminal box. The cable piping is connected to the terminal box.

実施形態に係る静止誘導機器の概略構成例を示す図The figure which shows the schematic structural example of the stationary induction | guidance | derivation apparatus which concerns on embodiment. 分岐部を拡大して示す図Figure showing enlarged branching section 雨水の流れを模式的に示す図Diagram showing the flow of rainwater 集合部品を模式的に示す図Diagram showing the assembly parts

以下、実施形態について図面に基づいて説明する。実施形態の説明において実質的に同一の構成部位には同一の符号を付し、説明を省略する。
図１は、実施形態に係る静止誘導機器として変圧器１００を例示し、その概略構成例を示す図である。図１に示すように、変圧器１００は変圧器本体１０及び放熱器１２及び１４を備えている。変圧器本体１０の中には、図示しない巻線とその中心に鉄心が配置されており、絶縁油や窒素等が封入されている。 Hereinafter, embodiments will be described with reference to the drawings. In the description of the embodiment, substantially the same components are denoted by the same reference numerals, and description thereof is omitted.
FIG. 1 is a diagram illustrating a schematic configuration example of a transformer 100 as a stationary induction device according to an embodiment. As shown in FIG. 1, the transformer 100 includes a transformer body 10 and radiators 12 and 14. In the transformer main body 10, a winding (not shown) and an iron core are arranged at the center thereof, and insulating oil, nitrogen, and the like are enclosed.

変圧器１００は各種機器１６、１８、２０、２２、２４を備えている。機器１６、１８、２０、２２、２４は、変圧器本体１０及び放熱器１２の表面に配置されている。機器１６、１８、２０、２２、２４は、例えば、温度計、油面計、圧力センサ等の各種センサ類である。   The transformer 100 includes various devices 16, 18, 20, 22, and 24. The devices 16, 18, 20, 22, and 24 are disposed on the surfaces of the transformer body 10 and the radiator 12. The devices 16, 18, 20, 22, 24 are, for example, various sensors such as a thermometer, an oil level gauge, and a pressure sensor.

変圧器１００は端子箱４０を備えている。端子箱４０は例えば放熱器１２表面に配置されている。
機器１６、１８、２０、２２、２４と端子箱４０は、ケーブル配管３０により相互に接続されている。ケーブル配管３０は配線ケーブル２８及び保護管２９により構成されている。配線ケーブル２８は、保護管２９に挿入されることにより周囲を被覆されて収納され、保護されている。保護管２９としては、頑丈で柔軟であり屈曲性及び耐水性に優れた配管としてのフレキシブル配線保護管が用いられる。このフレキシブル配線保護管は非常に柔軟な素材であるポリアミド等で構成されているため、自由に屈曲可能であり、また、任意の箇所で簡易な道具を用いて容易に切断することができる。 The transformer 100 includes a terminal box 40. The terminal box 40 is disposed on the surface of the radiator 12, for example.
The devices 16, 18, 20, 22, 24 and the terminal box 40 are connected to each other by a cable pipe 30. The cable pipe 30 is composed of a wiring cable 28 and a protective pipe 29. The wiring cable 28 is housed and protected by being inserted into the protective tube 29 so as to be covered. As the protective tube 29, a flexible wiring protective tube is used as a tube that is strong and flexible, and has excellent flexibility and water resistance. Since this flexible wiring protective tube is made of a very flexible material such as polyamide, it can be bent freely and can be easily cut using a simple tool at any location.

ケーブル配管３０は分岐部３２を備えている。図２に、分岐部３２を拡大した図を示す。以下の説明において、個々のケーブル配管３０又は分岐部３２を指し示す場合は、ケーブル配管３０ａ、３０ｂ、３０ｃ、分岐部３２ａ、３２ｂ、３２ｃにように表記し、これらを総称して指し示す場合はケーブル配管３０、分岐部３２のように表記する。   The cable pipe 30 includes a branch portion 32. In FIG. 2, the figure which expanded the branch part 32 is shown. In the following description, when individual cable pipes 30 or branch parts 32 are indicated, they are indicated as cable pipes 30a, 30b, 30c and branch parts 32a, 32b, 32c, and when these are indicated generically, cable pipes are indicated. 30 and a branching part 32.

内部の配線ケーブル２８は端子箱４０に対して遠方から近づくにつれて、分岐部３２において一つにまとめられていく。例えば、機器１６に接続されるケーブル配管３０ａと、機器１８に接続されるケーブル配管３０ｂは、分岐部３２ａにおいて集合して、一本のケーブル配管３０ｃにまとめられる。このように、端子箱４０に近づくにつれて、複数のケーブル配管３０が複数の分岐部３２においてまとめられて、最終的に一本のケーブル配管３０ｉに集合して端子箱４０に接続される。すなわち端子箱４０には一本のケーブル配管３０が接続される。   The internal wiring cables 28 are grouped together at the branch portion 32 as they approach the terminal box 40 from a distance. For example, the cable piping 30a connected to the device 16 and the cable piping 30b connected to the device 18 are gathered at the branching portion 32a and combined into one cable piping 30c. As described above, as the terminal box 40 is approached, the plurality of cable pipes 30 are collected at the plurality of branch portions 32, and finally gathered into one cable pipe 30 i and connected to the terminal box 40. That is, one cable pipe 30 is connected to the terminal box 40.

ケーブル配管３０は、端子箱４０に接続する手前で、以下のような形状を備えている。すなわち、機器１６、１８、２０、２２、２４から延伸するケーブル配管３０ａ〜３０ｈは、複数の分岐部３２ａ〜３２ｄで集合し、最後の分岐部３２ｄで一本のケーブル配管３０ｉに集合する。端子箱４０に至る方向において、ケーブル配管３０ｉは分岐部３２ｄにおいて下方向を指向している。その後、ケーブル配管３０ｉは屈曲部４２において屈曲し、指向する向きを約１８０度上方向に変更され、端子箱４０に接続される。ケーブル配管３０は、上方向に指向した状態で端子箱４０の下面部に接続されている。端子箱４０近傍において、ケーブル配管３０は変圧器１００本体から離間している。   The cable pipe 30 has the following shape before being connected to the terminal box 40. That is, the cable pipes 30a to 30h extending from the devices 16, 18, 20, 22, and 24 gather at a plurality of branch parts 32a to 32d, and gather at one cable pipe 30i at the last branch part 32d. In the direction to the terminal box 40, the cable pipe 30i is directed downward in the branch portion 32d. Thereafter, the cable pipe 30 i is bent at the bent portion 42, the direction of orientation is changed upward by about 180 degrees, and the cable pipe 30 i is connected to the terminal box 40. The cable pipe 30 is connected to the lower surface portion of the terminal box 40 in a state of being directed upward. In the vicinity of the terminal box 40, the cable pipe 30 is separated from the main body of the transformer 100.

次に、上記構成の変圧器１００の作用について説明する。
図３はケーブル配管３０を伝う雨水の流れを模式的に示す図である。矢印は雨水が流れる様子を模式的に示している。変圧器１００に雨が当たると、雨水はケーブル配管３０を伝って下方向に流れる。図において、ケーブル配管３０ａとケーブル配管３０ｂを伝う雨水は分岐部３２ａにおいてケーブル配管３０ｃに集合する。ケーブル配管３０ｃとケーブル配管３０ｄを伝う雨水は分岐部３２ｂにおいてケーブル配管３０ｅに集合する。同様にして雨水は分岐部３２ｃ、３２ｄで集合し最終的には一本のケーブル配管３０ｉに集合する。 Next, the operation of the transformer 100 having the above configuration will be described.
FIG. 3 is a diagram schematically illustrating the flow of rainwater that travels through the cable pipe 30. The arrows schematically show how rainwater flows. When rain hits the transformer 100, rainwater flows downward along the cable pipe 30. In the figure, rainwater traveling through the cable pipe 30a and the cable pipe 30b collects in the cable pipe 30c at the branching portion 32a. Rainwater that travels through the cable pipe 30c and the cable pipe 30d gathers in the cable pipe 30e at the branch portion 32b. Similarly, rainwater gathers at the branch portions 32c and 32d and finally gathers in one cable pipe 30i.

ケーブル配管３０は屈曲部４２においてＵ字形を備えた形状を備え、重力方向を基準として下方向から上方向に向きを変えている。従って、雨水は、この屈曲部４２において下に落下するため、屈曲部４２を超えてケーブル配管３０を上方向に伝うことがなく、端子箱４０に至ることがない。そのため端子箱４０内への雨水の浸入を抑制できる。   The cable pipe 30 has a U-shaped shape at the bent portion 42, and changes its direction from the downward direction to the upward direction with respect to the direction of gravity. Therefore, since rainwater falls downward at the bent portion 42, the rainwater does not travel upward through the cable pipe 30 beyond the bent portion 42, and does not reach the terminal box 40. Therefore, intrusion of rainwater into the terminal box 40 can be suppressed.

実施形態に係る変圧器１００の効果をまとめると以下のようになる。
ケーブル配管３０は分岐部３２を有している。ケーブル配管３０は分岐部３２で集合し、最終的には一本のケーブル配管３０が端子箱４０に接続している。この構成により、複数のケーブル配管３０が端子箱４０に接続する場合に比較し、端子箱４０への雨水の侵入経路が減少している。そのため、端子箱４０への雨水の浸入を抑制することができる。また、ケーブル配管３０の部品点数が少なくなり、構造が簡素化されるため、ケーブル配管３０の配管施工が容易となる。 The effects of the transformer 100 according to the embodiment are summarized as follows.
The cable pipe 30 has a branch portion 32. The cable piping 30 gathers at the branching portion 32, and finally, one cable piping 30 is connected to the terminal box 40. With this configuration, compared to the case where a plurality of cable pipes 30 are connected to the terminal box 40, rainwater intrusion paths into the terminal box 40 are reduced. Therefore, intrusion of rainwater into the terminal box 40 can be suppressed. Moreover, since the number of parts of the cable piping 30 is reduced and the structure is simplified, the piping construction of the cable piping 30 is facilitated.

ケーブル配管３０は、端子箱４０に接続する直前の位置において、重力方向を基準として下方向から上方向に方向を変えるような形状、すなわちＵ字形状の屈曲部４２を有する。端子箱４０近傍において、ケーブル配管３０は変圧器１００本体から離間している。これによれば、ケーブル配管３０を伝う雨水は、屈曲部４２で下に落下するため、端子箱４０への雨水の浸入を抑制することができる。   The cable pipe 30 has a U-shaped bent portion 42 that changes its direction from the downward direction to the upward direction with respect to the direction of gravity at the position immediately before the connection to the terminal box 40. In the vicinity of the terminal box 40, the cable pipe 30 is separated from the main body of the transformer 100. According to this, rainwater that travels through the cable pipe 30 falls downward at the bent portion 42, so that intrusion of rainwater into the terminal box 40 can be suppressed.

ケーブル配管３０の保護管２９としてはフレキシブル配線保護管が用いられる。このフレキシブル配線保護管は非常に柔軟な素材であるポリアミドで構成されているため、自由に屈曲可能であり、また、任意の箇所で簡易な道具を用いて容易に切断することができる。従って、ケーブル配管３０の設置工事において、配管施工の自由度が増すため設置が容易となり、また、ケーブル配管３０のメンテナンスが容易となる。   A flexible wiring protective tube is used as the protective tube 29 of the cable pipe 30. Since this flexible wiring protective tube is made of polyamide, which is a very flexible material, it can be bent freely and can be easily cut using a simple tool at any location. Accordingly, in the installation work of the cable pipe 30, the degree of freedom of the pipe work increases, so that the installation becomes easy, and the maintenance of the cable pipe 30 becomes easy.

次に、配線ケーブル２８及び保護管２９を備えるケーブル配管３０を、あらかじめ分岐部３２に接続して組み立てた集合部品５０について説明する。図４は、集合部品５０を模式的に示す図である。ケーブル配管３０の内部には、上記実施形態で説明したのと同様に、配線ケーブル２８が保護管２９覆われて収納されている。   Next, the assembly part 50 assembled by connecting the cable pipe 30 including the wiring cable 28 and the protective tube 29 to the branch portion 32 in advance will be described. FIG. 4 is a diagram schematically showing the collective component 50. Inside the cable pipe 30, the wiring cable 28 is covered and stored in the protective tube 29 in the same manner as described in the above embodiment.

分岐部３２は少なくとも３つの接続部３３ａ、３３ｂ、３３ｃを有しており、この接続部３３ａ、３３ｂ、３３ｃにおいてケーブル配管３０が分岐部３２に接続されている。ケーブル配管３０ａ及び３０ｂ内部の配線ケーブル２８は、接続部３３ａ及び３３ｂから分岐部３２内に挿入され、接続部３３ｃに集合し、ケーブル配管３０ｃに導かれている。
集合部品５０を用いて変圧器１００を構成すれば、ケーブル配管３０設置のための部品点数がさらに少なくなるため、ケーブル配管３０の配管施工がより容易となる。 The branch portion 32 has at least three connection portions 33a, 33b, and 33c, and the cable pipe 30 is connected to the branch portion 32 at the connection portions 33a, 33b, and 33c. The wiring cable 28 inside the cable pipes 30a and 30b is inserted into the branch part 32 from the connection parts 33a and 33b, gathers at the connection part 33c, and is guided to the cable pipe 30c.
If the transformer 100 is configured using the collective component 50, the number of components for installing the cable pipe 30 is further reduced, so that the piping work of the cable pipe 30 becomes easier.

本発明のいくつかの実施形態を説明したが、これらの実施形態は、例として提示したものであり、発明の範囲を限定することは意図していない。これら新規な実施形態は、その他の様々な形態で実施されることが可能であり、発明の要旨を逸脱しない範囲で、種々の省略、置き換え、変更を行うことができる。これら実施形態やその変形は、発明の範囲や要旨に含まれるとともに、特許請求の範囲に記載された発明とその均等の範囲に含まれる。   Although several embodiments of the present invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

例えば、上記実施形態の説明において、実施形態に係る静止誘導機器として、変圧器１００を例示して説明したが、これに限定する意図はなく、その他の静止誘導機器、例えばリアクトルに適用しても良い。   For example, in the description of the above-described embodiment, the transformer 100 is illustrated and described as the stationary induction device according to the embodiment. However, the present invention is not intended to be limited to this, and may be applied to other stationary induction devices such as a reactor. good.

図面中、１００は変圧器、１０は変圧器本体、１２、１４は放熱器、１６、１８、２０、２２、２４は機器、２８は配線ケーブル、２９は保護管、３０、３０ａ、３０ｂ、３０ｃ、３０ｄ、３０ｅ、３０ｆ、３０ｇ、３０ｈ、３０ｉはケーブル配管、３２ａ、３２ｂ、３２ｃ、３２ｄは分岐部、４０は端子箱、４２は屈曲部、を示す。   In the drawings, 100 is a transformer, 10 is a transformer body, 12 and 14 are radiators, 16, 18, 20, 22, and 24 are devices, 28 is a wiring cable, 29 is a protective tube, 30, 30a, 30b, and 30c. , 30d, 30e, 30f, 30g, 30h, 30i are cable pipes, 32a, 32b, 32c, 32d are branch parts, 40 is a terminal box, and 42 is a bent part.

Claims (5)

複数の機器と、
端子箱と、
前記機器と前記端子箱を接続し、内部に配線ケーブルを収納するケーブル配管とを備え、
前記ケーブル配管は少なくとも一つの分岐部を備えており、
前記ケーブル配管は、複数の前記機器から前記端子箱に至るまでに、前記分岐部において一本のケーブル配管に集合しており、前記一本のケーブル配管が前記端子箱に接続している静止誘導機器。 Multiple devices,
A terminal box;
The device and the terminal box are connected, and a cable pipe for storing a wiring cable therein is provided.
The cable pipe includes at least one branch part,
The cable pipe is gathered into one cable pipe at the branching portion from the plurality of devices to the terminal box, and the one cable pipe is connected to the terminal box. machine. 前記ケーブル配管は前記端子箱に接続する前の位置においてＵ字形状に屈曲する屈曲部を備える請求項１に記載の静止誘導機器。   The stationary induction device according to claim 1, wherein the cable pipe includes a bent portion that is bent in a U shape at a position before being connected to the terminal box. 前記ケーブル配管は、少なくとも前記端子箱近傍では前記静止誘導機器本体から離間している請求項１及び２に記載の静止誘導機器。   3. The stationary induction device according to claim 1, wherein the cable pipe is separated from the stationary induction device main body at least in the vicinity of the terminal box. 前記ケーブル配管は前記端子箱の下面部に接続する請求項１から３のいずれか一項に記載の静止誘導機器。   The said cable piping is a stationary induction | guidance | derivation apparatus as described in any one of Claim 1 to 3 connected to the lower surface part of the said terminal box. 内部に配線ケーブルを収納した保護管を備える複数のケーブル配管と、
少なくとも第１の接続部と、第２の接続部と、第３の接続部とを有する分岐部を備え、
前記ケーブル配管は前記接続部に接続されており、
前記第１の接続部と、前記第２の接続部に接続された前記配線ケーブルは、前記第３の接続部に集合している集合部品。 A plurality of cable pipes provided with a protective pipe containing a wiring cable therein;
A branch portion having at least a first connection portion, a second connection portion, and a third connection portion;
The cable pipe is connected to the connection;
The first connecting portion and the wiring cable connected to the second connecting portion are collective parts that are gathered at the third connecting portion.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110600225A (en) * 2019-10-21 2019-12-20 徐州市铜山区百恒电子厂 Rainwater cooling device for pole-mounted transformer

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JPS52120912U (en) * 1976-03-12 1977-09-14
JPS5729111U (en) * 1980-07-25 1982-02-16
JPS59107181U (en) * 1983-01-07 1984-07-19 三菱電機株式会社 Wiring device for induction stationary equipment accessories
JP2003114059A (en) * 2001-10-03 2003-04-18 Matsushita Electric Ind Co Ltd Operating member of electric water heater
JP3095130U (en) * 2003-01-08 2003-07-25 金邦電気株式会社 Low voltage branch terminal box
JP2007110793A (en) * 2005-10-12 2007-04-26 Sanki Eng Co Ltd Branch joint

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Publication number Priority date Publication date Assignee Title
JPS52120912U (en) * 1976-03-12 1977-09-14
JPS5729111U (en) * 1980-07-25 1982-02-16
JPS59107181U (en) * 1983-01-07 1984-07-19 三菱電機株式会社 Wiring device for induction stationary equipment accessories
JP2003114059A (en) * 2001-10-03 2003-04-18 Matsushita Electric Ind Co Ltd Operating member of electric water heater
JP3095130U (en) * 2003-01-08 2003-07-25 金邦電気株式会社 Low voltage branch terminal box
JP2007110793A (en) * 2005-10-12 2007-04-26 Sanki Eng Co Ltd Branch joint

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110600225A (en) * 2019-10-21 2019-12-20 徐州市铜山区百恒电子厂 Rainwater cooling device for pole-mounted transformer

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