WO2019215974A1 - コントロールセンタの母線接続装置 - Google Patents
コントロールセンタの母線接続装置 Download PDFInfo
- Publication number
- WO2019215974A1 WO2019215974A1 PCT/JP2019/004777 JP2019004777W WO2019215974A1 WO 2019215974 A1 WO2019215974 A1 WO 2019215974A1 JP 2019004777 W JP2019004777 W JP 2019004777W WO 2019215974 A1 WO2019215974 A1 WO 2019215974A1
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- WIPO (PCT)
- Prior art keywords
- bus
- horizontal
- plate nut
- control center
- adjustment
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/28—Clamped connections, spring connections
- H01R4/38—Clamped connections, spring connections utilising a clamping member acted on by screw or nut
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G5/00—Installations of bus-bars
Definitions
- the present invention relates to a bus connection device for a control center that centrally manages control, protection, measurement, and monitoring of motors used for operation of pumps and machinery in factories, water and sewage systems, power plants, and the like. is there.
- the control center houses a plurality of functional units in which motor control, protection, measurement and monitoring devices are unitized. Power supply to each functional unit is performed by connecting a contact provided in each functional unit to a vertical bus through a horizontal bus that supplies power from an upper power supply and a vertical bus that supplies power to each functional unit. .
- the control center having such a configuration is generally used with a plurality of casings adjacent to each other. Since the adjacent control centers need to be electrically connected, the horizontal bus bars in the respective housings are connected via connection conductors for connection across the bus bars. It is necessary to connect the horizontal busbars in a limited space in the housing, and the method using general bolts and nuts required work on the back side of the busbars, resulting in poor workability. .
- the present invention has been made to solve the above-described problems, and can adjust not only the horizontal direction but also the vertical direction and the tilt position, and can reduce costs with a simple structure. It is an object of the present invention to provide a control center busbar connection device that can handle the thickness with the same shape.
- a bus connecting device for a control center is a bus connecting device for a control center in which the ends of adjacent horizontal buses of a control center having horizontal buses that extend in the horizontal direction and through which current flows are connected by connecting conductors.
- a fixing bolt for connecting the horizontal bus bar and the connecting conductor, a plate nut having a threaded fixing screw hole for fastening the fixing bolt, an adjustment bolt for connecting the plate nut and the horizontal bus bar, and a fixing bolt Is provided with a horizontal hole having a through hole through which the adjustment bolt passes and a fitting adjustment hole through which the adjustment bolt passes, and a connection conductor having a fixing hole through which the fixing bolt passes.
- the bus connecting device of the control center according to the present invention, it is possible to prevent the nut member from falling off by fixing the plate nut to the horizontal bus and to fix the nut when fastening the bolt. Become. Further, by adjusting the fixing portion of the plate nut, the position of the plate nut can be adjusted not only in the horizontal direction but also in the vertical direction and the inclination of the plate nut. Furthermore, since the plate nut is fixed to one surface of the horizontal bus bar, it is not necessary to have a structure in which the conductor is sandwiched, and it becomes a simple shape that is not affected by the thickness of the conductor. It can be used to connect horizontal horizontal bus bars.
- FIG. 5 is a cross-sectional view taken along the line AA in FIG. 4. It is a perspective view which shows the structure of the plate nut of Embodiment 1 of this invention. It is a front view which shows operation
- FIG. 9 is a sectional view taken along line BB in FIG. It is a perspective view which shows the bus-bar connection apparatus of Embodiment 2 of this invention. It is a perspective view which shows the structure of the plate nut of Embodiment 2 of this invention.
- FIG. 1 is a perspective view showing a bus structure of a control center and a bus connection device according to Embodiment 1 of the present invention.
- the control center 100 includes a plurality of horizontal buses 2 extending in the horizontal direction behind the housing 1, a plurality of units (not shown) arranged on the front surface of the housing 1, and a housing.
- the vertical bus 3 extends in the vertical direction of the body 1 and electrically connects the horizontal bus 2 and the unit, respectively.
- a bus connecting device 110 is provided at the right end of the horizontal bus 2.
- FIG. 2 is a perspective view showing the connection of the horizontal bus 2. As shown in FIG. 2, the horizontal bus 2 is electrically connected to the horizontal bus 2 of an adjacent control center (not shown).
- the connection conductor 4 which is a short conductor is used for connection, and it connects so that the edge of the adjacent horizontal bus-bar 2 may be straddled.
- FIG. 3 is a perspective view of the busbar connection device 110
- FIG. 4 is a front view of the busbar connection device 110.
- the busbar connecting device 110 includes a fixing bolt 5 for connecting the horizontal busbar 2 and the connecting conductor 4, a plate nut 7 having a screwed fixing screw hole 11 for fastening the fixing bolt 5, An adjustment bolt 9 for connecting the bus 2, a through hole 14 through which the fixing bolt 5 passes, a horizontal bus 2 having an adjustment hole 12 through which the adjustment bolt 9 passes, and a fixing hole 6 through which the fixing bolt 5 passes. And a connection conductor 4.
- FIG. 5 is a cross-sectional view taken along the line AA in FIG.
- the plate nut 7 is connected to the horizontal bus 2 by an adjustment bolt 9 that passes through the adjustment hole 12.
- the adjustment bolt 9 is screwed into the plate nut 7, and the diameter of the adjustment hole 12 is larger than the diameter of the adjustment bolt 9, so that the position can be adjusted.
- FIG. 6 is a perspective view showing the structure of the plate nut 7.
- the plate nut 7 is subjected to screw processing for fastening the adjusting screw hole 10 for fastening the adjusting bolt 9 to the horizontal bus 2 and the fixing bolt 5 for connecting the horizontal bus 2 and the connecting conductor 4.
- the fixing screw hole 11 is provided.
- FIG. 7 and 8 are front views of the bus connecting device 110 when the horizontal bus 2 and the connection conductor 4 are connected
- FIG. 9 is a cross-sectional view showing a cross section taken along line BB in FIG.
- the plate nut 7 located in the back surface of the horizontal bus-line 2 is expressed with the dotted line. The operation for adjusting the position of the plate nut 7 when the connection position needs to be adjusted when the horizontal bus 2 and the connection conductor 4 are connected is described with reference to FIGS. 7, 8, and 9. .
- FIG. 7 shows a state where the horizontal bus 2 and the plate nut 7 are connected by the adjusting bolt 9. Since the position of the fixing screw hole 11 provided in the plate nut 7 and the position of the fixing hole 6 provided in the connecting conductor 4 are shifted, the state in which the position of the fixing screw hole 11 needs to be adjusted is shown. Yes.
- FIG. 8 shows a state in which the position of the plate nut 7 is adjusted with respect to the state of FIG.
- the plate nut 7 is connected to the horizontal bus 2 by the adjustment bolt 9, and therefore the position of the plate nut 7 is adjusted using the adjustment hole 12 that is fitted to the horizontal bus 2 by loosening the fixing. Can be changed. Since the plate nut 7 is screwed to the horizontal bus 2 with the adjustment bolt 9, the position of the plate nut 7 can be changed with respect to the horizontal bus 2 by loosening the fastening of the adjustment bolt 9. As shown in FIG. 8, by adjusting the position, the displacement between the fixing screw hole 11 provided in the plate nut 7 and the fixing hole 6 provided in the connection conductor 4 is eliminated, and the connection conductor 4 can be connected. It has become.
- FIG. 9 shows the bus bar connecting device 110 after adjusting the position of the plate nut 7, and the operation of changing the position of the plate nut 7 with respect to the horizontal bus 2 is performed for connecting the horizontal bus 2 and the connection conductor 4. It shows that it becomes adjustment.
- the position adjustment is not limited to one direction, and the horizontal position, the vertical position, and the inclination of the plate nut 7 can be adjusted.
- the plate nut 7 has a structure that is fixed to one side of the horizontal bus 2 and is not affected by the thickness of the horizontal bus 2, so that the plate nut 7 having the same shape is used for conductors of various thicknesses. It is possible. Since the plate nut 7 is a member obtained by subjecting the plate material to hole processing and screw processing, it does not require complicated bending processing, and the manufacturing cost can be suppressed.
- the plate nut 7 is fixed to the horizontal bus 2 from the start of the work, the plate nut 7, the fixing bolt 5 and the adjusting bolt 9 are not dropped during the work, compared with the case where a general nut is used. Because there is no need to hold down the plate nut 7 when the adjustment bolt 9 is fastened, there is no work behind the horizontal busbar 2 that is impossible to see, and in addition, work with one hand is possible, so the work space Can be reduced.
- the plate nut 7 has two adjustment screw holes 10, but is not limited to two. Similarly, although two fixing screw holes 11 are provided, the number is not limited to two.
- FIG. 10 is a perspective view showing the busbar connection device 120.
- FIG. 11 is a perspective view showing the structure of the plate nut. 10 and 11, the plate nut 8 has a bent portion 13 in the lower part, and the position of the plate nut 8 can be easily adjusted by operating the bent portion 13. As a result, the plate nut 8 can be easily operated in the operation from the front surface of the housing 1, and the workability is improved.
- the position of the plate nut 8 can be easily adjusted by using the plate nut 8 having the bent portion 13 for the bus bar connecting device 120.
- the workability of the bus bar connection work can be improved.
- the bending part 13 is provided in the lower part of the plate nut 8
- the position of the bending part 13 is not limited to the lower part of a plate nut.
- this invention is about the bus-bar connection of a control center, it cannot be overemphasized that it can apply also to the switch duct provided with the bus-bar, and the bus duct which passes a bus-bar.
- the embodiments can be freely combined within the scope of the invention, and the embodiments can be appropriately modified or omitted.
- 100 control center 110, 120 bus connecting device, 1 housing, 2 horizontal buses, 3 vertical buses, 4 connecting conductors, 5 fixing bolts, 6 fixing holes, 7, 8 plate nuts, 9 adjusting bolts, 10 adjusting screw holes, 11 Fixing screw hole, 12 Adjustment hole, 13 Bending part, 14 Through hole
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Installation Of Bus-Bars (AREA)
Abstract
Description
このような構成のコントロールセンタは、一般的に複数の筐体を隣接させて使用される。隣接するコントロールセンタは電気的に接続されている必要があるため、それぞれの筐体内の水平母線が、母線間を跨る接続のための接続導体を介して接続される。水平母線の接続作業は筐体内の限られたスペースで行う必要があり、一般的なボルト及びナットを使用した方法では、母線の裏側での作業が必要である等、作業性が悪くなっていた。
上記課題を解決するために、隣接するコントロールセンタの筐体内に設置される水平母線と、接続導体をナットで結合したホルダを用いた母線接続装置で、接続、保持するものが提案されている(例えば、特許文献1参照)。
実施の形態1.
図1は、本発明に係る実施の形態1のコントロールセンタの母線構造及び母線接続装置を示す斜視図である。図1に示すように、コントロールセンタ100は、筐体1の後方において水平方向に延在する複数の水平母線2と、筐体1の前面において複数配置されるユニット(図示せず)と、筐体1の垂直方向に延在し、水平母線2とユニットをそれぞれ電気的に接続する垂直母線3を有する。また水平母線2の右端に、母線接続装置110を有する。
図6は、板ナット7の構造を示す斜視図である。板ナット7は、水平母線2に対して調整ボルト9を締結するための調整ネジ穴10と、水平母線2と接続導体4を接続するための固定ボルト5を締結するためのネジ加工を施された固定ネジ穴11を有する。
図8は図7の状態に対して板ナット7の位置を調整し、接続導体4の接続が可能となった状態を示している。
以下、本発明の実施の形態2の母線接続装置について図を用いて実施の形態1と異なる点を説明する。その他の構成は同様である。
図10は母線接続装置120を示す斜視図である。図11は板ナットの構造を示す斜視図である。
図10及び図11において、板ナット8は下部に曲げ部13を有し、曲げ部13を操作することで容易に板ナット8の位置の調整を可能にしたものである。これにより筐体1の前面からの作業において、板ナット8を容易に操作することが可能となり作業性が改善される。
Claims (3)
- 水平方向に延在し,電流を流す水平母線を有するコントロールセンタの
隣接する前記水平母線の端部同士を接続導体で接続するコントロールセンタの母線接続装置において、
前記水平母線と前記接続導体を接続するための固定ボルトと、
前記固定ボルトを締結するためのネジ加工した固定ネジ穴を有する板ナットと、
前記板ナットと前記水平母線を接続するための調整ボルトと、
前記固定ボルトが貫通する貫通穴、及び前記調整ボルトが貫通する有嵌状の調整穴を有する前記水平母線と、
前記固定ボルトが貫通する固定穴を有する前記接続導体と、
を備えるコントロールセンタの母線接続装置。
- 前記板ナットは、前記調整ボルトを締結するためのネジ加工した調整ネジ穴を備えることを特徴とする請求項1に記載のコントロールセンタの母線接続装置。
- 前記板ナットは,曲げ部を有することを特徴とする、請求項1に記載のコントロールセンタの母線接続装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019533129A JP6576607B1 (ja) | 2018-05-10 | 2019-02-12 | コントロールセンタの母線接続装置 |
EP19800465.7A EP3793046A4 (en) | 2018-05-10 | 2019-02-12 | CONTROL CENTER BUS LINE CONNECTION DEVICE |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2018091234 | 2018-05-10 | ||
JP2018-091234 | 2018-05-10 |
Publications (1)
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WO2019215974A1 true WO2019215974A1 (ja) | 2019-11-14 |
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PCT/JP2019/004777 WO2019215974A1 (ja) | 2018-05-10 | 2019-02-12 | コントロールセンタの母線接続装置 |
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EP (1) | EP3793046A4 (ja) |
WO (1) | WO2019215974A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS532680U (ja) * | 1976-06-02 | 1978-01-11 | ||
JPH055765Y2 (ja) * | 1987-09-17 | 1993-02-16 | ||
JPH0723907U (ja) | 1993-09-22 | 1995-05-02 | 株式会社安川電機 | 配電盤母線 |
US20070207638A1 (en) * | 2006-03-06 | 2007-09-06 | Wiant Jason P | Bus Joint Assembly |
CN202405631U (zh) * | 2011-10-19 | 2012-08-29 | 镇江默勒电器有限公司 | 母线接头连接装置 |
CN203134989U (zh) * | 2013-02-28 | 2013-08-14 | 大洋电机新动力科技有限公司 | 一种导电铜排连接结构 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0447307U (ja) * | 1990-08-20 | 1992-04-22 | ||
US8717741B2 (en) * | 2012-04-19 | 2014-05-06 | General Electric Company | Busbar connection system, switchgear unit, and method of transporting switchgear components |
JP2017107744A (ja) * | 2015-12-10 | 2017-06-15 | 三菱電機株式会社 | スイッチギヤの導体接続構造 |
-
2019
- 2019-02-12 WO PCT/JP2019/004777 patent/WO2019215974A1/ja active Application Filing
- 2019-02-12 EP EP19800465.7A patent/EP3793046A4/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS532680U (ja) * | 1976-06-02 | 1978-01-11 | ||
JPH055765Y2 (ja) * | 1987-09-17 | 1993-02-16 | ||
JPH0723907U (ja) | 1993-09-22 | 1995-05-02 | 株式会社安川電機 | 配電盤母線 |
US20070207638A1 (en) * | 2006-03-06 | 2007-09-06 | Wiant Jason P | Bus Joint Assembly |
CN202405631U (zh) * | 2011-10-19 | 2012-08-29 | 镇江默勒电器有限公司 | 母线接头连接装置 |
CN203134989U (zh) * | 2013-02-28 | 2013-08-14 | 大洋电机新动力科技有限公司 | 一种导电铜排连接结构 |
Non-Patent Citations (1)
Title |
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See also references of EP3793046A4 |
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Publication number | Publication date |
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EP3793046A1 (en) | 2021-03-17 |
EP3793046A4 (en) | 2021-06-30 |
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