JPS58224536A - Terminal device for submerged motor - Google Patents
Terminal device for submerged motorInfo
- Publication number
- JPS58224536A JPS58224536A JP10681882A JP10681882A JPS58224536A JP S58224536 A JPS58224536 A JP S58224536A JP 10681882 A JP10681882 A JP 10681882A JP 10681882 A JP10681882 A JP 10681882A JP S58224536 A JPS58224536 A JP S58224536A
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- motor
- insulating plate
- terminal member
- fluororesin
- 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.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 claims description 5
- 238000004804 winding Methods 0.000 claims description 4
- 241000208195 Buxaceae Species 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 14
- 238000009413 insulation Methods 0.000 description 10
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/12—Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas
- H02K5/132—Submersible electric motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明はＴＪＮＧ 、 ＬＰＧ等の低温液体中に潜没し
て低温液体を圧送する液中電動機の端子装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a terminal device for a submerged motor that is submerged in a low-temperature liquid such as TJNG or LPG and pumps the low-temperature liquid.
一般に回転電機の端子装置はモータの固定子巻線から引
き出される内部ケーブルと外部ケーブルとを接続するた
めの装置であるが、低温液体中に潜没して使用する液中
電動機、特にサブマージドポンプ等の端子装置としては
低温液体中での機械的強度があって電気絶縁性が保持さ
れていることが要求されている。その理由としては低温
液体中に絶縁性の良くない液が混入していることがあり
、侵透による絶縁不良をまねきやすい条件となっており
、しかもサブマージドポンプ等はポンプ部から圧送され
る低温液体の一部を電動機内へ送入させ、電動機内を加
圧冷却しているために、１！動機内部から端子装置へ低
温液体が漏洩しやすくなっているからである。In general, a terminal device for rotating electric machines is a device for connecting an internal cable pulled out from the stator winding of a motor with an external cable, but it is also used for submerged electric motors that are submerged in low-temperature liquid, especially submerged pumps. Terminal devices such as these are required to have mechanical strength in low-temperature liquids and maintain electrical insulation. The reason for this is that liquid with poor insulation properties is mixed into the low-temperature liquid, which is a condition that can easily lead to insulation failure due to penetration. 1! Because a part of the liquid is sent into the motor and the inside of the motor is cooled under pressure. This is because low-temperature liquid is likely to leak from inside the motor to the terminal device.
しかしながら、従来の端子装置の構造は機械的強度を高
めれば絶縁性の面で問題が生じるといった一長一短の欠
点があり、上記のように両方を満足させるようなものが
強く要望されていた。However, the structure of the conventional terminal device has both advantages and disadvantages, such as increasing the mechanical strength but causing problems in terms of insulation, and as described above, there has been a strong demand for something that satisfies both.
本発明は上記事情に鑑み成されたもので、電動機内圧に
十分な強度を有し、しかも絶縁低下が生じない液中電動
機の端子装置を提供することを目的とする。The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a terminal device for a submerged motor that has sufficient strength to withstand the internal pressure of the motor and does not cause insulation deterioration.
以下本発明の一実施例を第１図および第２図を参照して
説明する。（１）は電動機のフレームであってフレーム
（１）には電動機の内外を貫通する貫通孔（２）が設け
られている。（３）は図示していない電動機の固定子巻
線に水密に接続し、ふっ素樹脂被覆で覆った内部ケーブ
ル、（４）は端子部材であって第３図のようにつば部（
４ａ）の一方に圧縮端子と同じ形状にした電線接続部（
４ｂ）および他方は板端子状の端子部（４Ｃ）とおねじ
部（４ｄ）とが形成しである。（５）は端子部材（４）
の電線接続部（４ｂ）に内部ケーブル（３）を圧縮接続
した後に端子部（４Ｃ）とおねじ部（４ｄ） ｉ除いた
端子部材（４）と内部ケーブル（３）とをふつ素樹脂被
覆するふっ素樹脂膜である。An embodiment of the present invention will be described below with reference to FIGS. 1 and 2. (1) is a frame of the electric motor, and the frame (1) is provided with a through hole (2) that penetrates the inside and outside of the electric motor. (3) is an internal cable that is watertightly connected to the stator winding of an electric motor (not shown) and covered with a fluororesin coating, and (4) is a terminal member with a collar (as shown in Figure 3).
On one side of 4a), attach a wire connection part (with the same shape as the compression terminal).
4b) and the other is formed of a terminal portion (4C) in the form of a plate terminal and a male screw portion (4d). (5) is the terminal member (4)
After compressing and connecting the internal cable (3) to the electric wire connection part (4b) of It is a fluororesin film.
このふっ素樹脂１１１ｉ！ ［５）は端子部材（４）と
内部ケーブル（３）とを接続したものを若干の隙間を形
成［２て覆う型をつくり、その型の中に端子部材（４）
と内部ケーブルに３）とを入れた後３５００程度に熱し
たふっ素樹脂溶液合流し込むことにより形成する。この
ようにすることによ湯内部ケーブル（３）を被覆してい
るふっ素樹脂被覆と溶着して一体のふっ素樹脂パーが形
成される。（６）はフレーム（１）に設けた貫通孔（２
）を水密に覆う絶縁板であってほぼ中心部に端子部材（
４）が貫通する貫通孔（６ａ）を設けている。（７）は
絶縁板（６）の貫通孔（６ａ）を貫通した端子部材（４
）のおねじ部（４ｄ）に螺合し、つば部（４ａ）の側壁
と絶縁板（６）の側壁とを圧隆するナツトである。同、
つば部（４ａ）と絶縁板（６）との間にふっ素樹脂性の
パツキンを入れてもよい。（８）は端子部（４ｃ）にボ
ルト（９）で締付けしたＬ型金具であってＬ型金具（８
）の他端には外部ケーブル（９）に固層する端子（１１
がボルト（Ｉυによってねし止めされている。ｔｔａは
絶縁板（６）の左側の接続部を覆う蓋付の端子箱で、こ
の端子箱ｔｔａ内にはコンパウンド崗が充填され接続部
のシールをしっている。尚、被膜材としてふっ素樹脂を
使用するのは耐薬品、耐低温、耐絶縁性に強い特性を有
するためである。This fluororesin 111i! [5] For connecting the terminal member (4) and internal cable (3), create a mold to cover it with a slight gap [2], and insert the terminal member (4) in the mold.
It is formed by putting 3) into the internal cable and then pouring a fluororesin solution heated to about 3,500 ℃. In this way, an integral fluororesin part is formed by welding to the fluororesin coating covering the hot water internal cable (3). (6) is a through hole (2) provided in the frame (1).
) is an insulating plate that watertightly covers the terminal member (
4) is provided with a through hole (6a) through which it passes. (7) is a terminal member (4) that passes through the through hole (6a) of the insulating plate (6).
) is a nut that is screwed into the male threaded portion (4d) of the flange portion (4a) and presses down the side wall of the collar portion (4a) and the side wall of the insulating plate (6). same,
A fluororesin gasket may be inserted between the flange (4a) and the insulating plate (6). (8) is an L-shaped metal fitting (8) that is tightened with a bolt (9) to the terminal part (4c).
) has a terminal (11) fixed to the external cable (9).
is secured with a bolt (Iυ). tta is a terminal box with a lid that covers the connection part on the left side of the insulating plate (6), and this terminal box tta is filled with compound grout to seal the connection part. The reason why fluororesin is used as the coating material is because it has strong chemical resistance, low temperature resistance, and insulation resistance.
次に作用を説明する。このように構成された端子装置は
端子部材（４）と内部ケーブル（３）とが、ふっ素樹脂
Ｍ ｆ５１で一体に被覆され、しかも端子部材（４）の
つば部（４ａ）と絶縁板（６）とがおねじ部（４ｄ）と
ナツト（力との螺合作用によって密接に保持されている
ために、電動機内の低温液体が加圧されても液が絶縁板
（６）と端子部材（４）間を通過して端子部（４Ｃ）と
、外部ケーブル（ＩＩとの接続部に漏洩せず、低温液体
中に絶縁不良液が混入していても絶縁不良は生じない。Next, the effect will be explained. In the terminal device configured in this way, the terminal member (4) and the internal cable (3) are integrally coated with fluororesin Mf51, and the collar portion (4a) of the terminal member (4) and the insulating plate (6 ) are closely held by the screwing action between the male threaded portion (4d) and the nut (force), so even if the low-temperature liquid in the motor is pressurized, the liquid will flow between the insulating plate (6) and the terminal member ( 4) No leakage occurs between the terminal part (4C) and the connection part with the external cable (II), and even if the poor insulation liquid is mixed into the low temperature liquid, no poor insulation will occur.
またふっ素樹脂は耐薬品性で低温に強く絶縁不良を起さ
ない。更に、絶縁板（６）の左側は端子箱Ｏｚで覆い、
しかも端子箱α３内にコンパウンドｆ１３）を充填して
接続部を固めているので機械的強度も高く、低温液体の
侵入による絶縁不良は生じない。In addition, fluororesin is chemical resistant, resistant to low temperatures, and does not cause insulation defects. Furthermore, the left side of the insulating plate (6) is covered with a terminal box Oz,
Moreover, since the terminal box α3 is filled with the compound f13) to harden the connection portion, the mechanical strength is high, and insulation failure due to the intrusion of low-temperature liquid does not occur.
以上のように本発明によれば、液中′電動機の端子装置
として電動機の固定子巻線に接続するふっ素樹脂被覆す
る内部ケーブルを端子部材に圧縮接続して端子部材のつ
ば部と一体にふっ素樹脂全被覆して絶縁板に締付け、端
子部材の端子部に外部ケーブルを接続した後に端子箱内
にコンパウンドを充填するようにしたので、電動機内圧
に十分な強度を有し端子箱内に液が漏洩しないので絶縁
不良を生じることはないすぐれた効果がある。As described above, according to the present invention, as a terminal device of a submerged electric motor, an internal cable coated with fluororesin that is connected to a stator winding of an electric motor is compressively connected to a terminal member, and the fluorine resin is integrated with the collar of the terminal member. The compound is fully coated with resin and tightened to the insulating plate, and the terminal box is filled with the compound after connecting the external cable to the terminal part of the terminal member, so it has sufficient strength to withstand the internal pressure of the motor and prevents liquid from entering the terminal box. It has an excellent effect of not causing insulation defects because it does not leak.
第１図は本発明の液中電動機の端子装置の一実施例を示
す縦断面図、第２図は第１図のＡ−Ａ線に沿う縦断面図
、第３図は第１図の端子部材を示す正面図である。
（１）・フレーム （２）貫通孔（３）・内部
ケーブル （４）・端子部材（４ａ）つば部
（４ｂ）・電線接続部（４ｃ）端子部 （
４ｄ）・おねじ部（５）、ふっ素樹脂膜 （６）絶
縁板（７）・・ナツト （８）Ｌ型金具（９
）・・外部ケーブル （１（ｌ端子ｕ７Ｊ・・・端
子箱（１３・・・コンバウンド代理人 弁理士 井
上 −男
（７１
第 １ 図
１１２図
第 ３ 図FIG. 1 is a longitudinal cross-sectional view showing an embodiment of a terminal device for a submerged motor of the present invention, FIG. 2 is a vertical cross-sectional view taken along line A-A in FIG. 1, and FIG. 3 is a terminal of the terminal shown in FIG. 1. It is a front view showing a member. (1)・Frame (2) Through hole (3)・Internal cable (4)・Terminal member (4a) Flange
(4b)・Wire connection part (4c) Terminal part (
4d)・Male thread part (5), fluororesin film (6) Insulating plate (7)・Nut (8) L-shaped fitting (9)
)... External cable (1 (l terminal u7J... terminal box (13... Conbound agent patent attorney I
Top - Man (71 Figure 1 Figure 112 Figure 3
Claims (1)
内部ケーブルと、電動機の内外を貫通する貫通孔を設け
たフレームと、つげ部の一方に電線接続部と他方に端子
部とおねじ部とを形成する端子部材と、この端子部材の
電線接続部と前記内部ケーブルとを接続した後に前記端
子部材の端子部とめねじ部とを除いて内部ケーブルとを
一体にふっ素樹脂被覆するふっ素樹脂膜と、前記端子部
材のめねじの通る貫通孔を設は前記フレームの貫通孔を
水密に覆う絶縁板と、前記絶縁板の貫通孔につば部が電
動機内方となるよう端子部材を挿入した後に端子部材の
おねじ部に螺合しつば部を絶縁板に締付けるナツトと、
前記端子部材の端子部に接続する外部ケーブルと、この
外部ケーブルと板端子との接続部を囲む端子箱と、この
端子箱内に充填するコンパウンドとからなる液中電動機
の端子装置。An internal cable that connects watertightly to the motor's stator windings and is coated with fluororesin, a frame with through holes that penetrate inside and outside of the motor, a wire connection part on one side of the boxwood part, and a terminal part and a male thread part on the other side. and a fluororesin film that integrally coats the internal cable except for the terminal portion and the female thread portion of the terminal member with a fluororesin after the electric wire connection portion of the terminal member and the internal cable are connected. An insulating plate is provided to watertightly cover the through-hole of the frame, and a through-hole for the female thread of the terminal member is provided, and the terminal member is inserted into the through-hole of the insulating plate so that the flange faces inside the motor, and then the terminal member is inserted into the through-hole of the insulating plate. A nut that is screwed onto the male thread of the member and tightens the collar to the insulating plate;
A terminal device for a submerged motor, comprising: an external cable connected to the terminal portion of the terminal member; a terminal box surrounding the connecting portion between the external cable and the plate terminal; and a compound filled in the terminal box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10681882A JPS58224536A (en) | 1982-06-23 | 1982-06-23 | Terminal device for submerged motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10681882A JPS58224536A (en) | 1982-06-23 | 1982-06-23 | Terminal device for submerged motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58224536A true JPS58224536A (en) | 1983-12-26 |
| JPS6160661B2 JPS6160661B2 (en) | 1986-12-22 |
Family
ID=14443388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10681882A Granted JPS58224536A (en) | 1982-06-23 | 1982-06-23 | Terminal device for submerged motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58224536A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5949167A (en) * | 1998-07-22 | 1999-09-07 | Reliance Electric Industrial Company | Lead wire routing and sealing assembly for large electric motor |
| JP2002191148A (en) * | 2000-12-20 | 2002-07-05 | Nissan Motor Co Ltd | Rotating electric machine |
| US6897584B2 (en) * | 2002-04-25 | 2005-05-24 | Honeywell International Inc. | High power terminal block assembly for generators and method of assembling and installing the same |
| JP2006129661A (en) * | 2004-11-01 | 2006-05-18 | Nishishiba Electric Co Ltd | Submerged motor |
| JP2007110832A (en) * | 2005-10-13 | 2007-04-26 | Nishishiba Electric Co Ltd | Submerged motor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63294715A (en) * | 1987-05-26 | 1988-12-01 | Matsushita Electric Ind Co Ltd | Agricultural house |
-
1982
- 1982-06-23 JP JP10681882A patent/JPS58224536A/en active Granted
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5949167A (en) * | 1998-07-22 | 1999-09-07 | Reliance Electric Industrial Company | Lead wire routing and sealing assembly for large electric motor |
| JP2002191148A (en) * | 2000-12-20 | 2002-07-05 | Nissan Motor Co Ltd | Rotating electric machine |
| JP4608775B2 (en) * | 2000-12-20 | 2011-01-12 | 日産自動車株式会社 | Rotating electric machine |
| US6897584B2 (en) * | 2002-04-25 | 2005-05-24 | Honeywell International Inc. | High power terminal block assembly for generators and method of assembling and installing the same |
| JP2006129661A (en) * | 2004-11-01 | 2006-05-18 | Nishishiba Electric Co Ltd | Submerged motor |
| JP2007110832A (en) * | 2005-10-13 | 2007-04-26 | Nishishiba Electric Co Ltd | Submerged motor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6160661B2 (en) | 1986-12-22 |
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