JPH0436219Y2 - - Google Patents
Info
- Publication number
- JPH0436219Y2 JPH0436219Y2 JP1984000213U JP21384U JPH0436219Y2 JP H0436219 Y2 JPH0436219 Y2 JP H0436219Y2 JP 1984000213 U JP1984000213 U JP 1984000213U JP 21384 U JP21384 U JP 21384U JP H0436219 Y2 JPH0436219 Y2 JP H0436219Y2
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- piece
- bridge
- lead wire
- shorting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000005192 partition Methods 0.000 claims description 14
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 13
- 239000012212 insulator Substances 0.000 claims description 11
- 238000004804 winding Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000018199 S phase Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Landscapes
- Motor And Converter Starters (AREA)
- Motor Or Generator Frames (AREA)
Description
【考案の詳細な説明】
［考案の技術分野］
この考案は、例えば三相誘導電機などの回転電
機に用いられ、電源に回転電機を接続する回転電
機の端子台の改良に関するものである。[Detailed Description of the Invention] [Technical Field of the Invention] This invention relates to an improvement of a terminal block for a rotating electric machine, which is used in a rotating electric machine such as a three-phase induction electric machine and connects the rotating electric machine to a power source.
以下、スター・デルタ始動される三相誘導電機
（以下電動機とよぶ）を例にとつて説明する。 A three-phase induction electric machine (hereinafter referred to as a motor) that is star-delta started will be described below as an example.
［従来技術］
従来、この種の装置として第１図〜第７図に示
すものがあつた。[Prior Art] Conventionally, there have been devices of this type as shown in FIGS. 1 to 7.
第１図、第２図は電動機の結線図を示したもの
で、この電動機は三相巻線をスター結線とデルタ
結線とに切換えられるよう構成されている。 FIGS. 1 and 2 show wiring diagrams of an electric motor, and this motor is constructed so that its three-phase winding can be switched between a star connection and a delta connection.
図において、９は巻線でこの巻線９の両端部に
は夫々Ｕ，Ｘ、Ｖ，Ｙ、Ｗ，Ｚで示す端子が設け
られている。 In the figure, reference numeral 9 denotes a winding, and terminals indicated by U, X, V, Y, W, and Z are provided at both ends of the winding 9, respectively.
第１図は電動機の始動時の結線で、電源２０の
Ｒ相に接続される電源側端子をＵ、中性点側端子
をＸ、電源２０のＳ相に接続される電源側端子を
Ｖ、中性点側端子をＹ、電源２０のＴ相に接続さ
れる電源側端子をＷ、中性点側端子をＺとしてい
る。そして中性点側端子Ｘ、Ｙ、Ｚを接続すると
スターに結線される。 Figure 1 shows the wiring connections when starting the motor, with the power supply terminal connected to the R phase of the power supply 20 being U, the neutral point terminal being X, and the power supply terminal connected to the S phase of the power supply 20 being V. The neutral point side terminal is designated as Y, the power supply side terminal connected to the T phase of the power supply 20 is designated as W, and the neutral point side terminal is designated as Z. Then, by connecting the neutral point side terminals X, Y, and Z, a star connection is established.
第２図は電動機の運転時の結線で、第１図に示
す巻線９の端子ＹをＵに接続し、巻線９の端子Ｚ
をＶに接続し、巻線９の端子ＸをＷにそれぞれ接
続したものである。そして端子Ｕは電源２０のＲ
相に、端子Ｖは電源２０のＳ相に、端子Ｗは電源
２０のＴ相に接続されて電動機の巻線９はデルタ
に接続される。このようにスター、デルタ始動で
きる電動機の端子の数は、６端子必要となる。 Figure 2 shows the wiring connections during operation of the motor; terminal Y of winding 9 shown in Figure 1 is connected to U, and terminal Z of winding 9 is connected to U.
is connected to V, and terminal X of winding 9 is connected to W, respectively. And terminal U is R of power supply 20
The terminal V is connected to the S phase of the power source 20, the terminal W is connected to the T phase of the power source 20, and the winding 9 of the motor is connected to the delta phase. In this way, the number of terminals required for a motor capable of star or delta starting is six.
第３図〜第５図は、上記電動機に用いられてい
る端子台を説明する図である。１は絶縁体、２は
端子片で、６個の端子片２が上記絶縁体１の表面
上に並列に配置されている。１ａは端子片２間の
絶縁距離を確保するための絶縁隔壁で、上記端子
片２はこの絶縁隔壁１ａ間にジクザク状に配置さ
れている。３は上記巻線９に接続され引出された
内部口出線、４は端子で上記内部口出線３の先端
部に固定されている。５は電源２０に接続される
外部口出線、６は端子でこの外部口出線５の先端
部に固定されている。これら内部口出線３と、外
部口出線５の先端に固定されている端子４，６
は、ねじ１１によつて上記端子片２に固定されて
いる。７は短絡片で、絶縁体１の面上に並列に配
設された端子片２の隣り合う端子片２間を短絡す
るものである。この短絡片７は絶縁体１の表面上
に設けられた絶縁隔壁１ａをまたいで隣りの端子
片２との間を短絡するため、第４図に示すように
中央部が突出している。８は以上のようにして構
成された端子台である。 FIGS. 3 to 5 are diagrams for explaining the terminal block used in the electric motor. 1 is an insulator, 2 is a terminal piece, and six terminal pieces 2 are arranged in parallel on the surface of the insulator 1. Reference numeral 1a denotes an insulating partition wall for ensuring an insulating distance between the terminal pieces 2, and the terminal pieces 2 are arranged in a staggered manner between the insulating partition walls 1a. Reference numeral 3 denotes an internal output wire connected to the winding 9 and drawn out, and 4 is a terminal fixed to the tip of the internal output wire 3. 5 is an external lead wire connected to the power source 20, and 6 is a terminal fixed to the tip of the external lead wire 5. Terminals 4 and 6 fixed to the tips of these internal lead wires 3 and external lead wires 5
is fixed to the terminal piece 2 with a screw 11. Reference numeral 7 denotes a short-circuiting piece, which short-circuits between adjacent terminal pieces 2 of the terminal pieces 2 arranged in parallel on the surface of the insulator 1. This short-circuiting piece 7 straddles the insulating partition wall 1a provided on the surface of the insulator 1 and short-circuits between the adjacent terminal piece 2, so that the center portion protrudes as shown in FIG. 8 is a terminal block configured as described above.
第６図、第７図は、第３図の端子台８の電気的
接続部分を図示したもので、図中○印は第３図に
おける端子片２と内部口出線３、外部口出線５及
び短絡片７とのそれぞれの接続点を示している。 Figures 6 and 7 illustrate the electrical connection part of the terminal block 8 in Figure 3, and the circles in the figures indicate the terminal piece 2, internal lead wire 3, and external lead wire in Figure 3. 5 and the shorting piece 7 are shown.
第６図は端子台８の表面上で始動、運転ともに
直入れの状態、すなわちデルタ結線で運転を行う
場合の結線状態を示したもので、Ｕ，Ｖ，Ｗの各
相より引出された内部口出線３が端子片２に接続
され、その端子片２の他端には電源２０に接続さ
れる外部口出線回転電機５が接続されている。 Figure 6 shows the connection state when the surface of the terminal block 8 is directly connected for both startup and operation, that is, when operation is performed with delta connection. The lead wire 3 is connected to the terminal piece 2, and the other end of the terminal piece 2 is connected to an external lead wire rotating electric machine 5 that is connected to a power source 20.
一方これらの端子片２の隣りの端子片２には、
Ｙ，Ｚ，Ｘの各相より引出された内部口出線３が
接続されている。このとき、短絡片７によつて隣
り同志の端子片２を互に接続し短絡すると、端子
Ｕと端子Ｙ、端子Ｖと端子Ｚ、端子Ｗと端子Ｘが
それぞれ短絡され第２図に示すデルタ結線とな
る。 On the other hand, the terminal pieces 2 next to these terminal pieces 2 have
Internal lead wires 3 drawn out from each phase of Y, Z, and X are connected. At this time, when the adjacent terminal pieces 2 are connected and short-circuited by the short-circuit piece 7, the terminal U and the terminal Y, the terminal V and the terminal Z, and the terminal W and the terminal X are short-circuited, and the delta shown in FIG. It becomes a wire connection.
第７図は、第６図の状態から短絡片７の接続を
除去して端子Ｕと端子Ｙ、端子Ｖと端子Ｚ、端子
Ｗと端子Ｘのそれぞれの短絡を解消すると共に、
端子Ｙ、端子Ｚ、端子Ｘを接続し、これにより電
動機の巻線９はスターに接続される。 FIG. 7 shows that the connection of the shorting piece 7 is removed from the state shown in FIG. 6 to eliminate short circuits between the terminals U and Y, the terminals V and Z, and the terminals W and X.
Terminal Y, terminal Z, and terminal X are connected, and thereby the winding 9 of the motor is connected to the star.
ところで、以上のように構成された従来の回転
電機の端子台は、始動法を変更するとき短絡片７
を取りはずして取換えを行う必要があるが、取換
え作業を行うときに短絡片７の形状が第４図に示
すように、平面状で持ちにくく、短絡片７の取換
え作業が行いにくい欠点があつた。 By the way, in the conventional terminal block of a rotating electric machine configured as described above, when changing the starting method, the shorting piece 7
It is necessary to remove and replace the short-circuiting piece 7, but when performing the replacement work, the shape of the short-circuiting piece 7 is flat and difficult to hold as shown in Figure 4, which makes it difficult to replace the shorting piece 7. It was hot.
［考案の概要］
この考案は上記のような従来のものの欠点を除
去するためになされたもので、絶縁体の表面に絶
縁隔壁を介して交互に配置される第１の端子片と
第２の端子片を接続する板状部材からなる短絡片
を、コ字状の橋部と、この橋部両端にそれぞれ互
いに反対方向でかつ上記橋部の平板面に対して直
角方向に平面を有するように折れ曲がる固定部か
ら構成し、この固定部には上記第１及び第２の端
子片に取付けられる取付部を形成すると共に、上
記橋部の橋高さを上記絶縁隔壁の高さより高く構
成した端子台を提供することを目的としている。[Summary of the invention] This invention was made to eliminate the drawbacks of the conventional ones as described above, and consists of a first terminal piece and a second terminal piece that are arranged alternately on the surface of the insulator with an insulating partition wall in between. A shorting piece made of a plate-like member that connects the terminal piece is attached to a U-shaped bridge portion, and at both ends of this bridge portion, so as to have flat surfaces in opposite directions and perpendicular to the flat plate surface of the bridge portion. A terminal block comprising a bendable fixed part, in which a mounting part is formed to be attached to the first and second terminal pieces, and the bridge height of the bridge part is higher than the height of the insulating partition wall. is intended to provide.
［考案の実施例］
以下、この考案の一実施例を第８図〜第１０図
により説明する。図において第１図〜第７図と同
一符号は同一または相当部分を示し、１０は短絡
片で、帯状銅板材により形成されている。[Embodiment of the invention] An embodiment of the invention will be described below with reference to FIGS. 8 to 10. In the figure, the same reference numerals as in FIGS. 1 to 7 indicate the same or corresponding parts, and 10 is a shorting piece, which is formed of a strip-shaped copper plate material.
第９図は上記短絡片１０の展開図である。第９
図に示すように打抜かれた短絡片１０は、第１０
図に示すように、コ字状の橋部１０ｃと、この橋
部１０ｃの両端にそれぞれ互いに反対方向でかつ
上記橋部１０ｃの平板面に対して直角方向に平面
を有するように折れ曲がる固定部１０ａとから構
成し、この固定部１０ａには橋部１０ｃと平行す
る方向で同じ側からＵ字形の切り欠き溝１０ｂが
設けられている。１２は絶縁体１の面上に端子片
２がジグザグ状に配設され、上記短絡片１０が装
着されて形成される端子台である。１２ａは絶縁
隔壁で、端子片２間の絶縁を確保するよう設けら
れている。上記短絡片１０の橋部１０ｃの橋高さ
は、上記絶縁隔壁１２ａの高さより高くなつてい
る。 FIG. 9 is a developed view of the shorting piece 10. 9th
As shown in the figure, the punched shorting piece 10 is the 10th
As shown in the figure, a U-shaped bridge portion 10c and fixed portions 10a bent at both ends of the bridge portion 10c in opposite directions and having planes perpendicular to the flat plate surface of the bridge portion 10c. This fixed part 10a is provided with a U-shaped cutout groove 10b from the same side in a direction parallel to the bridge part 10c. Reference numeral 12 denotes a terminal block formed by disposing terminal pieces 2 in a zigzag pattern on the surface of the insulator 1 and attaching the shorting piece 10 described above. Reference numeral 12a denotes an insulating partition wall, which is provided to ensure insulation between the terminal pieces 2. The bridge height of the bridge portion 10c of the short circuit piece 10 is higher than the height of the insulating partition wall 12a.
短絡片１０の取付け、取外しは取付穴１０ｂが
Ｕ字形の切欠き溝のため短絡片１０、端子６を止
めているねじ１１を少しゆるめ、短絡片１０の橋
部１０ｃを持ち後方へ移動し取外しが可能となる
ため短絡片１０を止めているねじ１１を完全に取
外さなくても簡単に短絡片１０の脱着ができる。
この時、短絡片の橋部１０ｃは端子台１２の上方
へ突出する形状であるので支持しやすい。また組
立てにおける内部リード線３の接続時、短絡片１
０の橋部１０ｃが絶縁体１の絶縁隔壁１２ａの上
に位置するので、短絡片１０が組立の前工程で接
続されていても内部リード線３の取付作業の妨げ
にならない。 To install and remove the shorting piece 10, since the mounting hole 10b has a U-shaped notch groove, slightly loosen the screws 11 that hold the shorting piece 10 and the terminal 6, hold the bridge part 10c of the shorting piece 10, and move it backwards to remove it. Therefore, the shorting piece 10 can be easily attached and detached without completely removing the screw 11 fixing the shorting piece 10.
At this time, the bridge portion 10c of the short-circuiting piece has a shape that projects upward from the terminal block 12, so that it can be easily supported. Also, when connecting the internal lead wire 3 during assembly, the shorting piece 1
Since the bridge portion 10c of 0 is located on the insulating partition wall 12a of the insulator 1, even if the shorting piece 10 is connected in a pre-assembly process, it does not interfere with the work of attaching the internal lead wire 3.
なお、上記実施例ではスター、デルタ始動の電
動機を例にとつて説明したが、二種電圧（220／
380Vなど）で製作され、接続がえによりいずれ
かの電圧で使用する電動機でも同様の効果を奏す
る。 In addition, although the above embodiment has been explained using a star or delta starting motor as an example, two voltages (220/220/
(380V, etc.), the same effect can be achieved with motors that can be used with either voltage by changing the connections.
［考案の効果］
以上のように、この考案によれば、絶縁体の表
面に絶縁隔壁を介して交互に配置される第１の端
子片と第２の端子片を接続する板状部材からなる
短絡片を、コ字状の橋部と、この橋部両端にそれ
ぞれ互いに反対方向でかつ上記橋部の平板面に対
して直角方向に平面を有するように折れ曲がる固
定部から構成し、この固定部には上記第１及び第
２の端子片に取付けられる取付部を形成すると共
に、上記橋部の橋高さを上記絶縁隔壁の高さより
高く構成したので、絶縁隔壁をまたいで隣り合う
端子片相互間の接続が可能となり、さらにその橋
部を、端子片が取付けられる絶縁体の表面に対し
て直角方向に平面を有する構成としたので持ちや
すく、短絡片の取付け、取換えが容易となり、例
えば三相誘導電動機などのスター・デルタ始動の
ために用いられる端子台として、その接続換え作
業が極めて簡便化される利点がある。[Effects of the invention] As described above, according to this invention, the terminal is made up of a plate-like member that connects the first terminal pieces and the second terminal pieces that are arranged alternately on the surface of the insulator through the insulating partition. The short-circuiting piece is composed of a U-shaped bridge part and fixed parts bent at both ends of the bridge part in opposite directions and having planes perpendicular to the flat plate surface of the bridge part, and this fixed part has a mounting portion to be attached to the first and second terminal pieces, and the bridge height of the bridge portion is higher than the height of the insulating partition, so that adjacent terminal pieces can be attached to each other across the insulating partition. Furthermore, since the bridge part has a flat surface perpendicular to the surface of the insulator to which the terminal piece is attached, it is easy to hold, and it is easy to install and replace the shorting piece. As a terminal block used for star-delta starting of three-phase induction motors, etc., it has the advantage that the connection change work is extremely simplified.
第１図、第２図はスター・デルタ始動の電動機
を説明するためのもので、第１図は始動時の結線
図、第２図は運転時の結線図である。第３図〜第
５図は従来の端子台を説明するためのもので、第
３図は端子台の平面図、第４図は短絡片の斜視
図、第５図は端子台の正面図、第６図、第７図は
端子台への接続状態を示す図で、第６図はデルタ
結線された接続図、第７図はスター結線された接
続図である。第８図〜第１０図はこの考案の一実
施例による端子台を説明するためのもので、第８
図は端子台の平面図、第９図は短絡片の展開図、
第１０図は短絡片の斜視図である。
なお図中、同一符号は同一又は相当部分を示
し、１は絶縁体、２は端子片、３は内部口出線、
５は外部口出線、１０は短絡片、１０ａは短絡片
の固定部、１０ｂは短絡片の切り欠き溝、１０ｃ
は短絡片の橋部、１１はねじ、１２は端子台、１
２ａは絶縁隔壁である。
FIGS. 1 and 2 are for explaining a star-delta starting electric motor. FIG. 1 is a wiring diagram during starting, and FIG. 2 is a wiring diagram during operation. Figures 3 to 5 are for explaining the conventional terminal block. Figure 3 is a plan view of the terminal block, Figure 4 is a perspective view of the shorting piece, Figure 5 is a front view of the terminal block, FIGS. 6 and 7 are diagrams showing the state of connection to the terminal block, with FIG. 6 being a delta connection diagram and FIG. 7 being a star connection diagram. Figures 8 to 10 are for explaining a terminal block according to an embodiment of this invention.
The figure is a plan view of the terminal block, Figure 9 is a developed view of the shorting piece,
FIG. 10 is a perspective view of the shorting piece. In the figures, the same symbols indicate the same or equivalent parts, 1 is an insulator, 2 is a terminal piece, 3 is an internal lead wire,
5 is an external lead wire, 10 is a shorting piece, 10a is a fixing part of the shorting piece, 10b is a notch groove of the shorting piece, 10c
is the bridge part of the shorting piece, 11 is the screw, 12 is the terminal block, 1
2a is an insulating partition.
Claims (1)
端に接続されるとともに、他端に回転電機外部へ
引出される外部口出線が接続される第１の端子片
と、一端に接続部を設けるとともに、他端が回転
電機内部より引出された内部口出線に接続される
第２の端子片と、表面に上記第１の端子片と第２
の端子片とが絶縁隔壁を介して交互に配置される
絶縁体と、上記第１の端子片と第２の端子片の隣
り合つた異なる端子片同士を接続する板状部材か
らなる短絡片と、から構成される回転電機の端子
台において、 上記短絡片を、コ字状の橋部と、この橋部両端
にそれぞれ互いに反対方向でかつ上記橋部の平板
面に対して直角方向に平面を有するように折れ曲
がる固定部とから構成し、この固定部には上記第
１及び第２の端子片に取付けられる取付部を形成
すると共に、上記橋部の橋高さを上記絶縁隔壁の
高さより高く構成することを特徴とする回転電機
の端子台。[Claims for Utility Model Registration] A first terminal to which an internal lead wire drawn out from the inside of the rotating electrical machine is connected, and an external lead wire drawn out to the outside of the rotating electrical machine is connected to the other end. a second terminal piece having a connecting portion at one end and whose other end is connected to an internal lead wire drawn out from inside the rotating electric machine;
an insulator in which terminal pieces are arranged alternately through insulating partition walls, and a shorting piece made of a plate-like member that connects different adjacent terminal pieces of the first terminal piece and the second terminal piece. In a terminal block for a rotating electric machine, the shorting piece is placed at a U-shaped bridge section and at both ends of the bridge section, with planes facing in opposite directions and perpendicular to the flat plate surface of the bridge section. and a fixing part that is bent so as to have a fixed part, and the fixing part has a mounting part that is attached to the first and second terminal pieces, and the bridge height of the bridge part is higher than the height of the insulating partition wall. A terminal block for a rotating electrical machine characterized by comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21384U JPS60114568U (en) | 1984-01-05 | 1984-01-05 | Terminal block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21384U JPS60114568U (en) | 1984-01-05 | 1984-01-05 | Terminal block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60114568U JPS60114568U (en) | 1985-08-02 |
| JPH0436219Y2 true JPH0436219Y2 (en) | 1992-08-26 |
Family
ID=30471871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21384U Granted JPS60114568U (en) | 1984-01-05 | 1984-01-05 | Terminal block |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60114568U (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6903534B2 (en) * | 2017-09-21 | 2021-07-14 | Ntn株式会社 | In-wheel motor drive |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4942401U (en) * | 1972-07-07 | 1974-04-13 | ||
| JPS57146759U (en) * | 1981-03-11 | 1982-09-14 |
-
1984
- 1984-01-05 JP JP21384U patent/JPS60114568U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60114568U (en) | 1985-08-02 |
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