JPH01177841A - Coil for linear motor - Google Patents
Coil for linear motorInfo
- Publication number
- JPH01177841A JPH01177841A JP62333723A JP33372387A JPH01177841A JP H01177841 A JPH01177841 A JP H01177841A JP 62333723 A JP62333723 A JP 62333723A JP 33372387 A JP33372387 A JP 33372387A JP H01177841 A JPH01177841 A JP H01177841A
- Authority
- JP
- Japan
- Prior art keywords
- coil
- linear motor
- cable
- conductor
- mold
- 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.)
- Pending
Links
- 239000004020 conductor Substances 0.000 claims abstract description 19
- 239000005060 rubber Substances 0.000 claims abstract description 9
- 229920001971 elastomer Polymers 0.000 claims abstract description 8
- 238000004804 winding Methods 0.000 claims abstract description 5
- 239000012212 insulator Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000003000 extruded plastic Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 239000004744 fabric Substances 0.000 abstract description 4
- 229920003020 cross-linked polyethylene Polymers 0.000 abstract description 3
- 239000004703 cross-linked polyethylene Substances 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 3
- 239000004705 High-molecular-weight polyethylene Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- 239000002184 metal Substances 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 12
- 238000000465 moulding Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 229920005989 resin Polymers 0.000 description 4
- 239000011347 resin Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229920005992 thermoplastic resin Polymers 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 3
- 229920000181 Ethylene propylene rubber Polymers 0.000 description 2
- 239000004699 Ultra-high molecular weight polyethylene Substances 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005470 impregnation Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000010107 reaction injection moulding Methods 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 229920000785 ultra high molecular weight polyethylene Polymers 0.000 description 2
- 239000002966 varnish Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 244000043261 Hevea brasiliensis Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 229920001973 fluoroelastomer Polymers 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000005339 levitation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 238000011417 postcuring Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2203/00—Specific aspects not provided for in the other groups of this subclass relating to the windings
- H02K2203/15—Machines characterised by cable windings, e.g. high-voltage cables, ribbon cables
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、磁気浮上車等に使用されるリニアモータ用
コイルに関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a coil for a linear motor used in a magnetically levitated vehicle or the like.
［従来の技術］
従来のリニアモータ用コイルには、平角線または平角エ
ナメル線にガラステープまたは紙テープで絶縁を施して
巻回し、フェスを含浸してコイルを形成していた。屋外
使用のものでは、さらに十分な耐水性と耐候性を必要と
するため全体をガラスファイバー人りエポキシ樹脂でモ
ールド成形して完成品としている。また、耐候性外被を
最外層に有するものとして、外被をガラスクロスで構成
し、エポキシ樹脂で一体に含浸モールド成形したものと
がある。（例えば、特開昭５０−１２１７１４号、特開
昭５０−１１４５１８号公報参照）［発明が解決しよう
とする問題点］
ところで、上記のようなリニアモータ用コイルの製法で
は、いずれも熱硬化性樹脂を用いるため、モールド成形
および硬化に時間がかかるものとなっている。また、コ
イルがテープ巻、ワニス含浸で作られるため工程が多く
、その製作に時間がかかるものとなっている。そして、
ワニス含浸は完全ボイドレスの含浸が高度の技術を必要
とし、その作業時間も長くなる。さらに、一体モールド
成形の技術も高度の技術か要求される。そして、製作工
程上いずれもコストの低減を図ることか困難なものとな
っている。[Prior Art] A conventional coil for a linear motor is formed by winding a rectangular wire or rectangular enameled wire insulated with glass tape or paper tape, and impregnating the wire with a ferrule. For outdoor use, sufficient water resistance and weather resistance are required, so the entire product is molded with glass fiber epoxy resin. Furthermore, as a device having a weather-resistant outer covering as the outermost layer, there is one in which the outer covering is made of glass cloth and is integrally impregnated with epoxy resin and molded. (For example, refer to JP-A-50-121714 and JP-A-50-114518.) [Problems to be Solved by the Invention] By the way, in the method for manufacturing a coil for a linear motor as described above, thermosetting Since resin is used, molding and curing take time. In addition, since the coil is made by winding with tape and impregnating with varnish, there are many steps, making it time-consuming to manufacture. and,
Varnish impregnation requires advanced technology to completely void-free impregnation, and the work time is also long. Furthermore, the integral molding technology also requires advanced technology. In addition, it is difficult to reduce costs in any manufacturing process.
この発明は、上記の点に鑑みてなされたもので、リニア
゛モータ用コイルの導線として押出し絶縁か施された導
線を使用して、コイル巻回前にすてに絶縁処理をしてコ
イル巻回後の絶縁処理をなくすようにし、また、導線の
押出し絶縁は長尺のケーブル状のものを予め製作し、絶
縁試験済のものを切断して使用することかでき、さらに
、一体モールド絶縁も射出成形あるいはリアクションイ
ンジェクションモールト（ＲＩＭ）あるいはテープ材巻
回層を加熱成形することによるモールドでも熱可塑性樹
脂またはゴムを用いることによって短時間て形成できる
ようにしたリニアモータ用コイルを提供することを目的
とする。This invention was made in view of the above points, and uses extruded insulated conductor wire as a conductor wire for a linear motor coil, and insulates the conductor wire before winding the coil. In addition, the extruded insulation of the conductor can be made in advance in the form of a long cable, and the insulation-tested cable can be cut and used. Furthermore, integral mold insulation is also available. The purpose of the present invention is to provide a coil for a linear motor that can be formed in a short time by injection molding, reaction injection molding (RIM), or by heating and molding a wound layer of tape material using thermoplastic resin or rubber. shall be.
［問題を解決するための手段および作用］この発明ては
、■リニアモータ用コイルな熱硬化性樹脂を使用しない
で、ゴムまたは熱可塑性樹脂のみで形成し、コイルの製
作時間を大幅に短縮することかてき、コストの低減を図
る。■コイル導線部として、すてに完全絶縁法の押出し
絶縁ケーブルまたは押出し絶縁電線を巻回して用い、絶
縁性能を高めるとともに後処理を不要にする。[Means and effects for solving the problem] This invention: ■Does not use thermosetting resin for linear motor coils, but forms them only from rubber or thermoplastic resin, thereby significantly shortening the manufacturing time of the coils. In other words, we aim to reduce costs. ■For the coil conductor, fully insulated extruded insulated cable or extruded insulated wire is used to improve insulation performance and eliminate the need for post-treatment.
■一体上モールド絶縁して射出成形あるいは短時間のモ
ールド成形を採用し、後硬化を不要としてタクトタイム
を短縮てきるようにしたことを特徴とする。■It is characterized by the use of injection molding or short-time molding with integral upper mold insulation, which eliminates the need for post-curing and shortens takt time.
［実 施 例］
押出し絶縁材料としては、ポリエチレン、架橋ポリエチ
レン、エチレン・プロピレンゴム、天然ゴム、熱可塑性
ゴム、シリコーンゴム、フッ素ゴム、ノンハロゲン系ゴ
ム、その他熱可塑性エンジニアリンクプラスチッ゛りお
よびゴムの全てを用いることが可能である。勿論、いく
つかのプラスチックの組合せ樹脂であってもよい。要す
るにコイル巻きができるだけの可撓性があることと、コ
イルにかかる推進または浮上の反力に十分に耐えられる
ことである。[Example] Extruded insulating materials include polyethylene, crosslinked polyethylene, ethylene/propylene rubber, natural rubber, thermoplastic rubber, silicone rubber, fluororubber, non-halogen rubber, and all other thermoplastic engineering plastics and rubbers. It is possible to use Of course, it may also be a combination resin of several plastics. In short, it must be flexible enough to be coiled, and sufficiently able to withstand the reaction force of propulsion or levitation applied to the coil.
導体と押出し絶縁層との界面でのコロナ発生を防止し、
絶縁性能を大幅に向上させるためには絶縁層の内側にテ
ープまたは押出しの半導電層な設けることは、コイルの
絶縁層を低減する場合に特に重要である。Prevents corona generation at the interface between the conductor and the extruded insulating layer,
In order to significantly improve the insulation performance, the provision of a tape or extruded semiconducting layer inside the insulation layer is particularly important when reducing the insulation layer of the coil.
コイルを形成する１体モールド絶縁の材料は、上記した
押出し絶縁の材料の中から選べばよい。The material for the one-piece molded insulation forming the coil may be selected from the extruded insulation materials described above.
要するに射出成形またはリアクションインジェクション
モールト（ＲＩＭ）ができる材料であって、後処理不要
の材料であることが望ましい。In short, a material that can be injection molded or reaction injection molded (RIM) and that does not require post-treatment is desirable.
以下、具体的な実施例を図面を参照して説明する。第１
図に示すように、長さ２０００ｍ■９幅８００ ｍｍ、
厚さ６０ｍｍのリニアモータ用コイルｌを製作する場合
、第３図に示すように中心導体４として１８Ｘ６ｍ＋ｓ
の平角アルミ導体を使用し、その上に厚さ０．１５ｍｍ
の半導電性ゴム引き遮蔽布テープ６をハーフラップで巻
回して半導電層を形成し、この周上を架橋ポリエチレン
材を押出し機により押出し被覆して絶縁層５を形成しケ
ーブル２とした。この絶縁層５の厚さは１ｍｍである。Hereinafter, specific examples will be described with reference to the drawings. 1st
As shown in the figure, length 2000m x 9 width 800mm,
When manufacturing a linear motor coil l with a thickness of 60 mm, the central conductor 4 is 18 x 6 m + s as shown in Figure 3.
A rectangular aluminum conductor with a thickness of 0.15 mm is used on top of it.
The semiconductive rubberized shielding cloth tape 6 was wound half-wrap to form a semiconductive layer, and a crosslinked polyethylene material was extruded and coated on the periphery using an extruder to form an insulating layer 5 to obtain a cable 2. The thickness of this insulating layer 5 is 1 mm.
次に、このケーブル２を２０ターン（１０段×２層）巻
いてコイル状に形成する。そして、これを金型内に挿入
し、超高分子量ポリエチレンを充填してモールド成形を
行いコイルｌとするものである。第１図のコイルの■−
■線に沿った断面図を第２図に示す。符合３は上記超高
分子量ポリエチレン被覆した１体モールド絶縁部であり
、符合７はコイルｌの端子である。Next, this cable 2 is wound 20 turns (10 stages x 2 layers) to form a coil. Then, this is inserted into a mold, filled with ultra-high molecular weight polyethylene, and molded to form the coil 1. ■- of the coil in Figure 1
Figure 2 shows a cross-sectional view taken along the line ■. Reference numeral 3 is the one-piece molded insulating portion coated with the ultra-high molecular weight polyethylene, and reference numeral 7 is the terminal of the coil 1.
ざらにのこの発明のもう一つの具体的な実施例について
説明すると、１８Ｘ６ｍ＋＊の平角アルミ導体にエチレ
ンプロピレンゴムを０．８ｍｍの厚さて押出被覆した絶
縁電線を２０回巻回してコイル状にし、これに厚さ５．
５ｍｍ、幅３０ｍ５の未加硫エチレンプロピレンゴムテ
ープを突き合せ巻て２層巻付け、さらにこれを金型に入
れて１４０〜２００℃程度の高温でかつ３〜２００気圧
、例えば１０気圧て全体を加熱加圧成形してコイルとす
るものである。To explain another specific example of this invention, an insulated wire coated with ethylene propylene rubber extruded to a thickness of 0.8 mm is wound 20 times around a rectangular aluminum conductor measuring 18 x 6 m+* to form a coil. This has a thickness of 5.
Unvulcanized ethylene propylene rubber tape of 5 mm and width of 30 m5 is butt-wound and wound in two layers, and then placed in a mold and heated at a high temperature of about 140 to 200°C and 3 to 200 atm, for example, 10 atm. It is press-molded into a coil.
上記例ては導体としていずれも平角アルミ導体を使用し
たものについて説明したが、平角銅導体を使用してもよ
いことは勿論である。また、遮蔽布テープ６からなる半
導電層を形成した例について説明したか、半導電性押出
しコンパウドて導体遮蔽を施してもよい。これは場合に
より第４図に示すように導体４上に直接絶縁体５を押出
し被覆した絶縁電線またはケーブル２′を使用してコイ
ル部を形成してもよい。In the above examples, rectangular aluminum conductors are used as the conductors, but it goes without saying that rectangular copper conductors may also be used. Further, although an example has been described in which a semiconductive layer is formed from the shielding cloth tape 6, conductive shielding may be provided using a semiconductive extrusion compound. In some cases, as shown in FIG. 4, the coil portion may be formed using an insulated wire or cable 2' in which an insulator 5 is directly extruded and coated on a conductor 4.
［発明の効果］
以上説明したように、この発明ては押出し絶縁電線ある
いは押出し絶縁ケーブルによりコイル部を形成し、熱硬
化性樹脂を用いずゴムまたは熱可塑性樹脂を射出成形あ
るいはリアクションインジェクションまたはテープ材巻
回層の加熱成形により導体モールド絶縁部を形成するよ
うにしてコイルとしたのて、次のような効果か得られる
。[Effects of the Invention] As explained above, in this invention, the coil portion is formed by an extruded insulated wire or an extruded insulated cable, and rubber or thermoplastic resin is injection molded, reaction injection, or tape material is formed without using a thermosetting resin. The following effects can be obtained by forming a coil by forming a conductor mold insulation part by heating and forming the wound layer.
■リニアモータ用コイルの製造工程および製造時間か大
幅に短縮することかでき、大幅なコストの低減が可能と
なる。■The manufacturing process and manufacturing time for linear motor coils can be significantly shortened, making it possible to significantly reduce costs.
■押出し絶縁ケーブルの使用により絶縁の信頼性か大幅
に向上する。■The reliability of insulation is greatly improved by using extruded insulated cables.
■導体遮蔽を施した場合にはコイル導線部の絶縁厚を大
幅に低減できる。■If conductor shielding is applied, the insulation thickness of the coil conductor can be significantly reduced.
■コイルモールド後の後処理が不要である。■No post-processing required after coil molding.
第１図は、この発明の実施例のリニアモータ用コイルの
平面図、
第２図は、上記第１図の■−■線に沿った断面図、
第３図および第４図は、コイルを形成する押出し絶縁ケ
ーブルあるいは絶縁電線の横断面図である。
ｌ・・・・リニアモータ用コイル
２・・・・押出し絶縁ケーブルあるいは絶縁電線３・・
・・一体モールド絶縁FIG. 1 is a plan view of a linear motor coil according to an embodiment of the present invention, FIG. 2 is a sectional view taken along the line ■-■ in FIG. 1, and FIGS. 3 and 4 are views of the coil. FIG. 2 is a cross-sectional view of an extruded insulated cable or insulated wire to be formed. l...Linear motor coil 2...Extruded insulated cable or insulated wire 3...
・Integrated mold insulation
Claims (2)
被覆された絶縁電線あるいはケーブルを巻回して導線部
を形成し、さらに全体をプラスチックまたはゴムにより
一体モールド成形したリニアモータ用コイル。(1) A coil for a linear motor in which a conductive wire portion is formed by winding an insulated wire or cable coated with an extruded plastic or rubber insulator, and the entire body is integrally molded with plastic or rubber.
半導電性遮蔽を施した絶縁電線あるいはケーブルを用い
た特許請求の範囲第１項記載のリニアモータ用コイル。(2) A coil for a linear motor according to claim 1, wherein the insulated wire or cable is an insulated wire or cable in which a conductor is covered with a semiconductive shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62333723A JPH01177841A (en) | 1987-12-29 | 1987-12-29 | Coil for linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62333723A JPH01177841A (en) | 1987-12-29 | 1987-12-29 | Coil for linear motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01177841A true JPH01177841A (en) | 1989-07-14 |
Family
ID=18269238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62333723A Pending JPH01177841A (en) | 1987-12-29 | 1987-12-29 | Coil for linear motor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01177841A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008004595A (en) * | 2006-06-20 | 2008-01-10 | Yaskawa Electric Corp | Coil molding and linear motor for vacuum using the same |
| JP2011198726A (en) * | 2010-03-24 | 2011-10-06 | Toyota Motor Corp | Insulated conductor |
-
1987
- 1987-12-29 JP JP62333723A patent/JPH01177841A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008004595A (en) * | 2006-06-20 | 2008-01-10 | Yaskawa Electric Corp | Coil molding and linear motor for vacuum using the same |
| JP2011198726A (en) * | 2010-03-24 | 2011-10-06 | Toyota Motor Corp | Insulated conductor |
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