JP6699922B2 - Current sensor mounting member - Google Patents

Current sensor mounting member Download PDF

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JP6699922B2
JP6699922B2 JP2015243970A JP2015243970A JP6699922B2 JP 6699922 B2 JP6699922 B2 JP 6699922B2 JP 2015243970 A JP2015243970 A JP 2015243970A JP 2015243970 A JP2015243970 A JP 2015243970A JP 6699922 B2 JP6699922 B2 JP 6699922B2
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current sensor
sensor mounting
current
mounting member
wiring
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JP2017112674A (en
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健次 田中
健次 田中
浅井　誠
誠 浅井
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Nitto Kogyo Corp
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本発明は、複数の電流センサ取付部を備えた電流センサ取付部材に関するものである。   The present invention relates to a current sensor mounting member having a plurality of current sensor mounting portions.

例えば分電盤や太陽光発電装置の接続箱においては、複数の電流センサを設けて負荷に流れる電流等を検出することがある。   For example, in a distribution panel or a junction box of a solar power generation device, a plurality of current sensors may be provided to detect a current flowing through a load.

電流センサを取付ける構造として特許文献１に示されるような電流センサ取付部材がある。この電流センサ取付部材では、各々の電流センサから出線された信号線を纏めて配線する為に、別途配線空間を形成する部材を用いる必要があり、設置スペースが広くなってしまう問題があった。   As a structure for mounting a current sensor, there is a current sensor mounting member as shown in Patent Document 1. In this current sensor mounting member, it is necessary to use a member that separately forms a wiring space in order to collectively wire the signal lines output from each current sensor, which causes a problem that the installation space becomes wide. .

特開２０１３−７４７７５号公報JP, 2013-74775, A

従って本発明の目的は上記した従来の問題点を解決し、設置スペースを小さくすることができる電流センサ取付部材を提供することである。   Therefore, an object of the present invention is to solve the above-mentioned conventional problems and provide a current sensor mounting member that can reduce the installation space.

上記の課題を解決するためになされた本発明は、複数の電流センサが上部に取付けられる電流センサ取付部と、前記電流センサの信号線をまとめて配線する配線空間部とを備えた電流センサ取付部材であって、この配線空間部は、前記電流センサ取付部の下方に形成され、信号線の配線方向に対して片側側方となる面が開放されたものであり、前記電流センサ取付部は、前記電流センサの信号線を通す開口を電流センサ毎に備え、各電流センサの信号線を各開口を通じて下方に引出し、前記配線空間部に収納することを特徴とするものである。 The present invention has been made in order to solve the aforementioned problem, a current sensor attached with a current sensor mounting portion in which a plurality of current sensors is mounted on the top, and a wiring space for wiring together a signal line of the current sensor The wiring space portion is a member formed below the current sensor mounting portion, and a surface that is on one side with respect to the wiring direction of the signal line is open, and the current sensor mounting portion is , provided with an opening through which the signal line of the current sensor for each current sensor, pull the signal lines of the respective current sensors downward through each opening, it is characterized in that housed in the wiring space.

なお請求項２のように、設置面に固定される固定部と、この固定部の端部から上方に延びる立上部と、この立上部の端部から水平に延びる電流センサ取付部とを備え、立上部の側方を前記配線空間部とした構造とすることが好ましい。 According to a second aspect of the present invention, a fixing portion fixed to the installation surface, a rising portion extending upward from an end portion of the fixing portion, and a current sensor mounting portion horizontally extending from an end portion of the rising portion are provided. it is preferable that the side of the rising portion and the wiring space structure.

また請求項３のように、電流センサ取付部は、前記電流センサを千鳥状に配置する取付孔を備えたものであることが好ましい。さらに請求項４のように、電流センサ取付部は、前記電流センサを電流センサ取付部の端辺から突出させて設置するものであることが好ましい。 Also as in claim 3, the current sensor mounting portion is preferably the current sensor is obtained with a mounting hole arranged in a staggered manner. Further as in claim 4, the current sensor mounting portion, it is preferable that the installation is projected the current sensor from the end side of the current sensor mounting portion.

本発明の電流センサ取付部材は、電流センサ取付部と、電流センサの信号線をまとめて配線する配線空間部とを備えたものであり、配線空間部を電流センサ取付部の下方に形成したので、設置スペースを小さくすることができる。さらに、信号線の配線方向に対して片側側方となる面が開放されているので、信号線をまとめる作業を開放部側から行なうことができ、作業性をよくすることができる。   The current sensor mounting member of the present invention includes a current sensor mounting portion and a wiring space portion for collectively wiring the signal lines of the current sensor, and the wiring space portion is formed below the current sensor mounting portion. The installation space can be reduced. Furthermore, since the surface of the signal line on one side with respect to the wiring direction is open, the work of putting the signal lines together can be performed from the open side, and workability can be improved.

更に本発明によれば、電流センサの設置と同時に信号線を配線空間部に通すことができ、作業性をよくすることができる。 Further, according to the present invention, the signal line can be passed through the wiring space portion at the same time when the current sensor is installed, and the workability can be improved.

請求項２の発明によれば、簡単な構造により製造コストを低減することができる。 According to the invention of claim 2, the manufacturing cost can be reduced by a simple structure.

請求項３の発明によれば、異なる列の電流センサ間をより近くに配置することが可能となり、複数の電流センサとその信号線を小さいスペースに配置することができる。 According to the invention of claim 3 , the current sensors in different columns can be arranged closer to each other, and the plurality of current sensors and their signal lines can be arranged in a small space.

請求項４の発明によれば、電流センサ取付部材を連設した場合でも、電流センサを一定間隔で増設することができる。 According to the invention of claim 4 , even when the current sensor mounting members are arranged in series, the current sensors can be added at regular intervals.

本発明の電流センサ取付部材を組み込んだ太陽光発電装置の接続箱を示す正面図である。It is a front view which shows the junction box of the solar power generation device incorporating the current sensor attachment member of this invention. 電流センサ取付部材の斜視図である。It is a perspective view of a current sensor attachment member. 電流センサを取付けた電流センサ取付部材の上方斜視図である。It is an upper perspective view of the current sensor attachment member which attached the current sensor. 電流センサを取付けた電流センサ取付部材の下方斜視図であるIt is a lower perspective view of a current sensor attachment member to which a current sensor is attached. 電流センサ取付部材を連設した状態を示す上面図である。It is a top view which shows the state which connected the current sensor attachment member in series. 使用状態を示す断面図である。It is sectional drawing which shows a use condition. 他の使用状態を示す断面図である。It is sectional drawing which shows another usage condition.

以下に本発明の実施形態を説明する。
図１は本発明の電流センサ取付部材を組み込んだ太陽光発電装置の接続箱を示す正面図であり、１は筺体、２は太陽光発電パネルに接続される直流開閉器であり、この実施形態では８個が並列に設けられている。本発明の電流センサ取付部材３は直流開閉器２の上方に２個配置されており、全部で８個の電流センサ４が取付けられている。直流開閉器２の一次側に接続された電力線５は電流センサ４を貫通して逆流防止ダイオード６に接続されている。各電流センサ４の信号線７は電流センサ取付部材３の側方から引き出され、計測装置８に入線している。 Embodiments of the present invention will be described below.
FIG. 1 is a front view showing a junction box of a solar power generation device in which a current sensor mounting member of the present invention is incorporated, 1 is a housing, 2 is a DC switch connected to a solar power generation panel, and this embodiment In, 8 are provided in parallel. Two current sensor mounting members 3 of the present invention are arranged above the DC switch 2, and a total of eight current sensors 4 are mounted. The power line 5 connected to the primary side of the DC switch 2 penetrates the current sensor 4 and is connected to the backflow prevention diode 6. The signal line 7 of each current sensor 4 is drawn out from the side of the current sensor mounting member 3 and enters the measuring device 8.

以下に本発明の電流センサ取付部材３の構造を説明する。図２は電流センサ取付部材３の斜視図である。図示のように、電流センサ取付部材３は金属板を垂直断面がクランク状になるように折り曲げた形状であり、１０は設置面に固定される固定部、１１はこの固定部１０の端部から垂直上方に延びる立上部、１２はこの立上部１１の端部から水平に延びる電流センサ取付部である。この立上部１１の側方、すなわち電流センサ取付部１２の下面が配線空間部１３となっている。   The structure of the current sensor mounting member 3 of the present invention will be described below. FIG. 2 is a perspective view of the current sensor mounting member 3. As shown in the figure, the current sensor mounting member 3 is formed by bending a metal plate so that the vertical cross section becomes a crank shape. A rising portion 12 which extends vertically upward is a current sensor mounting portion which extends horizontally from an end portion of the rising portion 11. A wiring space 13 is formed on the side of the rising portion 11, that is, on the lower surface of the current sensor mounting portion 12.

電流センサ取付部１２には、電流センサ４を千鳥状に配置する取付孔１４と、信号線７を通す開口１５と、バンド挿通孔１６とが形成されている。本実施形態では電流センサ取付部１２に４つの電流センサ４が２列に取付けられるので、これらは４組形成されている。   The current sensor mounting portion 12 is provided with mounting holes 14 in which the current sensors 4 are arranged in a staggered manner, openings 15 through which the signal lines 7 pass, and band insertion holes 16. In this embodiment, the four current sensors 4 are attached to the current sensor attachment portion 12 in two rows, so that four pairs of these are formed.

取付孔１４は電流センサ４の裏面に突設された突起部１７を挿入するための孔であり、電流センサ４は突起部１７を取付孔１４に挿入して位置決めされた状態としたうえ、バンド挿通孔１６にバンド２０（図５参照）を挿通して固定される。図２に示すように、端部の電流センサ４のための取付孔１４は電流センサ取付部１２の端辺１８に半円状に形成されている。   The mounting hole 14 is a hole for inserting a protruding portion 17 protruding from the back surface of the current sensor 4, and the current sensor 4 is in a state in which the protruding portion 17 is inserted into the mounting hole 14 and is positioned. The band 20 (see FIG. 5) is inserted into the insertion hole 16 and fixed. As shown in FIG. 2, the mounting hole 14 for the current sensor 4 at the end portion is formed in a semicircular shape on the end side 18 of the current sensor mounting portion 12.

電流センサ４は側面下部に信号線引き出し部１９を備えており、そこから下方に引き出された信号線７は開口１５を通じて下方に引き出され、配線空間部１３に収納される。配線空間部１３は、信号線７の配線方向に対して片側側方となる面が開放されたものである。   The current sensor 4 is provided with a signal line lead-out portion 19 at the lower portion of the side surface, and the signal line 7 led out downward from the current sensor 4 is led out downward through the opening 15 and is housed in the wiring space portion 13. The wiring space portion 13 has an open side surface on one side with respect to the wiring direction of the signal line 7.

電流センサ４の信号線７は余裕を持たせた一定の長さであるが、信号線７の接続先である計測装置８までの距離は様々である。このため信号線７の余長を配線空間部１３の内部でまとめる作業が必要となる。本発明の電流センサ取付部材３は配線空間部１３の片側側方が開放されているため、この信号線７のとりまとめ作業を容易に行うことができる。   The signal line 7 of the current sensor 4 has a certain length with a margin, but the distance to the measuring device 8 to which the signal line 7 is connected varies. Therefore, it is necessary to collect the extra length of the signal line 7 inside the wiring space 13. Since the current sensor mounting member 3 of the present invention is open at one side of the wiring space portion 13, the work of assembling the signal line 7 can be easily performed.

図５に示されるように、電流センサ４は電流センサ取付部１２の端辺１８から突出させて取付けられるようになっている。その理由は、電流センサ取付部材３を連設したときに電流センサ取付部材３、３どうしを干渉させることなく、電流センサ４を等間隔に配置するためである。   As shown in FIG. 5, the current sensor 4 is mounted so as to project from the end side 18 of the current sensor mounting portion 12. The reason is that the current sensors 4 are arranged at equal intervals without interfering with each other when the current sensor mounting members 3 are arranged in series.

次に、本発明の電流センサ取付部材３の使用手順を説明する。
先ず、電流センサ４の信号線７を電流センサ取付部１２の開口１５を通じて配線空間部１３に入れる。次に電流センサ４の裏面の突起部１７を電流センサ取付部１２の取付孔１４に挿入し、仮固定と位置決めを行なう。次にバンドをバンド挿通孔１６に通し、電流センサ４を固定する。一方の列は信号線７を通す開口１５をバンド挿通孔１６と兼用している。次に電流センサ取付部材３の固定部１０を盤の設置面に固定する。次に配線空間部１３から引き出した信号線７を計測装置８に接続する。最後に、信号線７の余長を配線空間部１３の内部でまとめ、結束バンドなどによって固定する。 Next, a procedure for using the current sensor mounting member 3 of the present invention will be described.
First, the signal line 7 of the current sensor 4 is put into the wiring space portion 13 through the opening 15 of the current sensor mounting portion 12. Next, the protrusion 17 on the back surface of the current sensor 4 is inserted into the mounting hole 14 of the current sensor mounting portion 12, and temporarily fixed and positioned. Next, the band is passed through the band insertion hole 16 to fix the current sensor 4. In one row, the opening 15 through which the signal line 7 is passed is also used as the band insertion hole 16. Next, the fixing portion 10 of the current sensor mounting member 3 is fixed to the installation surface of the board. Next, the signal line 7 drawn from the wiring space portion 13 is connected to the measuring device 8. Finally, the extra lengths of the signal lines 7 are collected inside the wiring space portion 13 and fixed by a binding band or the like.

このように、本発明の電流センサ取付部材３を用いれば、信号線７の配線作業や取り纏め作業が容易となる。また特許文献１の構造と比べて、各々の電流センサ４から出線された信号線７を纏めて配線する為に、別途配線空間を形成する部材を用いる必要がなく、より設置スペースを小さくすることができると共に、部品点数を抑えることができる。   As described above, when the current sensor mounting member 3 of the present invention is used, the wiring work and the gathering work of the signal line 7 are facilitated. Further, as compared with the structure of Patent Document 1, it is not necessary to use a separate member for forming a wiring space in order to collectively wire the signal lines 7 output from the respective current sensors 4, and the installation space can be further reduced. In addition, it is possible to reduce the number of parts.

以上に説明した実施形態では、図６に示すように配線空間部１３の開放されている方向が直流開閉器２とは反対方向、すなわち逆流防止ダイオード６の方向を向くように電流センサ取付部材３を盤に取付けた。しかし図７に示すように電流センサ取付部材３の向きを逆にし、配線空間部１３の開放されている方向が直流開閉器２の方向を向くように取り付けることも可能である。そうすることで、配線空間１３と逆流防止ダイオード６との間に介在する立上部１１により逆流防止ダイオード６から発生する熱が信号線７に伝達することを防ぐことができる。   In the embodiment described above, as shown in FIG. 6, the current sensor mounting member 3 is arranged such that the open direction of the wiring space portion 13 faces the direction opposite to the DC switch 2, that is, the direction of the backflow prevention diode 6. Was attached to the board. However, as shown in FIG. 7, it is also possible to reverse the direction of the current sensor mounting member 3 so that the open direction of the wiring space portion 13 faces the direction of the DC switch 2. By doing so, the heat generated from the backflow prevention diode 6 can be prevented from being transferred to the signal line 7 by the rising portion 11 interposed between the wiring space 13 and the backflow prevention diode 6.

なお、本発明の電流センサ取付部材３は実施例に示した接続箱に限らず、様々な盤に使用できることはいうまでもない。   Needless to say, the current sensor mounting member 3 of the present invention can be used not only in the connection box shown in the embodiment but also in various boards.

１ 筺体
２ 直流開閉器
３ 電流センサ取付部材
４ 電流センサ
５ 電力線
６ 逆流防止ダイオード
７ 信号線
８ 計測装置
１０ 固定部
１１ 立上部
１２ 電流センサ取付部
１３ 配線空間部
１４ 取付孔
１５ 開口
１６ バンド挿通孔
１７ 突起部
１８ 端辺
１９ 信号線引き出し部
２０ バンド 1 Case 2 DC Switch 3 Current Sensor Mounting Member 4 Current Sensor 5 Power Line 6 Backflow Prevention Diode 7 Signal Line 8 Measuring Device 10 Fixing Part 11 Standing 12 Current Sensor Mounting Part 13 Wiring Space Part 14 Mounting Hole 15 Opening 16 Band Insertion Hole 17 Protrusions 18 Edges 19 Signal Line Leads 20 Bands

Claims (4)

複数の電流センサが上部に取付けられる電流センサ取付部と、前記電流センサの信号線をまとめて配線する配線空間部とを備えた電流センサ取付部材であって、
この配線空間部は、前記電流センサ取付部の下方に形成され、信号線の配線方向に対して片側側方となる面が開放されたものであり、
前記電流センサ取付部は、前記電流センサの信号線を通す開口を電流センサ毎に備え、各電流センサの信号線を各開口を通じて下方に引出し、前記配線空間部に収納することを特徴とする電流センサ取付部材。 A current sensor mounting member comprising: a current sensor mounting portion having a plurality of current sensors mounted thereon; and a wiring space portion for collectively wiring the signal lines of the current sensor,
The wiring space portion is formed below the current sensor mounting portion, and one side surface of the signal line with respect to the wiring direction is open.
Said current sensor mounting portion, the current, characterized in that said includes an opening through which the signal line of the current sensor for each current sensor, pull the signal lines of the respective current sensors downward through each opening is accommodated in the wiring space Sensor mounting member. 設置面に固定される固定部と、この固定部の端部から上方に延びる立上部と、この立上部の端部から水平に延びる前記電流センサ取付部とを備え、立上部の側方を配線空間部としたことを特徴とする請求項１に記載の電流センサ取付部材。 A fixed portion fixed to the installation surface, and the rising portion extending upward from an end portion of the fixed portion, and a said current sensor mounting portion extending horizontally from an end of the raised portion, wiring side of the rising portion The current sensor mounting member according to claim 1, wherein the current sensor mounting member is a space portion. 電流センサ取付部は、前記電流センサを千鳥状に配置する取付孔を備えたものであることを特徴とする請求項１または２に記載の電流センサ取付部材。 The current sensor mounting member according to claim 1 or 2, wherein the current sensor mounting portion has mounting holes for arranging the current sensors in a staggered manner. 電流センサ取付部は、前記電流センサを電流センサ取付部の端辺から突出させて設置するものであることを特徴とする請求項１〜３の何れかに記載の電流センサ取付部材。 The current sensor mounting portion according to claim 1, wherein the current sensor mounting portion is provided by projecting the current sensor from an end side of the current sensor mounting portion.
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