JP2817270B2 - How to make heat-resistant windings for electrical equipment - Google Patents
How to make heat-resistant windings for electrical equipmentInfo
- Publication number
- JP2817270B2 JP2817270B2 JP27963989A JP27963989A JP2817270B2 JP 2817270 B2 JP2817270 B2 JP 2817270B2 JP 27963989 A JP27963989 A JP 27963989A JP 27963989 A JP27963989 A JP 27963989A JP 2817270 B2 JP2817270 B2 JP 2817270B2
- Authority
- JP
- Japan
- Prior art keywords
- heat
- varnish
- resistant
- inorganic binder
- resistant winding
- 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 - Lifetime
Links
Description
【発明の詳細な説明】 ［産業上の利用分野］ この発明は、超高温モータ等の電気機器に使用する耐
熱巻線の製作方法に関する。Description: TECHNICAL FIELD The present invention relates to a method of manufacturing a heat-resistant winding used for electric equipment such as an ultra-high temperature motor.
［従来の技術］ 超高温モータや電磁ポンプ等の高温耐熱を要求される
電気機器に使用する耐熱巻線は、従来、酸化防止のため
にニッケル等の金属メッキがされた銅導体表面に未焼成
のセラミック層が被膜され、さらにその上に有機内の保
護層が被膜されたセラミック絶縁電線を使用して次に示
すような工程で製作されていた。[Prior art] Heat-resistant windings used for electrical equipment that requires high-temperature heat resistance, such as ultra-high-temperature motors and electromagnetic pumps, have not been fired on the surface of copper conductors plated with nickel or other metal to prevent oxidation. Was manufactured in the following process using a ceramic insulated wire in which a ceramic layer was coated and a protective layer in an organic layer was further coated thereon.
セラミック絶縁電線をコイル巻する。Coil a ceramic insulated wire.
前記コイル巻きされたものを鉄心スロットに嵌め込
む。The coiled product is fitted into an iron core slot.
次に、500度〜600度の高温で加熱して、前記有機物の
保護層を熱分解すると共に前記未焼成セラミック層を焼
成セラミック化する。Next, by heating at a high temperature of 500 to 600 degrees, the organic protective layer is thermally decomposed and the unfired ceramic layer is turned into a fired ceramic.
次に、無機バインダーを含浸する。Next, an inorganic binder is impregnated.
さらに、加熱焼成する。Further, heating and firing are performed.
しかし、前記した工程で製作された耐熱巻線は、未焼
成のセラミック層を焼成セラミック化する際の焼成温度
や焼成時間等の条件設定が困難で、この設定条件の微妙
な違いによりセラミック層にクラックが入るため、無機
バインダーワニスを含浸しても吸湿に対する保護が十分
に行われず、絶縁抵抗の低下を生じ、線間短絡等によっ
て焼損を起こすことがあるという欠点があり、しかも、
材料であるセラミック絶縁電線が非常に高価である問題
があった。However, in the heat-resistant winding manufactured in the above-described process, it is difficult to set conditions such as a firing temperature and a firing time when the unfired ceramic layer is formed into a fired ceramic. Due to cracks, even if impregnated with an inorganic binder varnish, protection against moisture absorption is not sufficiently performed, insulation resistance is reduced, and there is a drawback that burning may occur due to short circuit between lines, and
There is a problem that the ceramic insulated wire as a material is very expensive.
この発明は、前記問題点を解決するために成されたも
ので、安価な電線を使用して焼損の起らない電気機器用
の耐熱巻線を製作する方法を提供することを目的とす
る。SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and an object of the present invention is to provide a method for manufacturing a heat-resistant winding for an electric device that does not cause burning by using an inexpensive electric wire.
前記目的を達成するため、この発明による電気機器用
の耐熱巻線の製作方法は、導体に金属メッキがされその
上にガラス繊維が巻かれさらに有機ワニスが添付されて
いるガラス巻き電線をコイル巻し、電気機器の鉄心に装
着し、有機ワニスが熱分解する温度で加熱し、低粘度の
無機バインダーワニスを含浸し、加熱焼成して電気機器
用の耐熱巻線とする方法である。In order to achieve the above object, a method of manufacturing a heat-resistant winding for an electric device according to the present invention is a method of winding a glass-wound electric wire having a conductor plated with metal, glass fiber wound thereon, and an organic varnish attached thereto. Then, it is mounted on an iron core of an electric device, heated at a temperature at which an organic varnish is thermally decomposed, impregnated with a low-viscosity inorganic binder varnish, and heated and fired to form a heat-resistant winding for an electric device.
また、前記耐熱巻線にさらに高粘度の無機バインダー
ワニスを含浸し加熱焼成して電気機器用の耐熱巻線とす
れば、防湿効果が高まり効果的である。If the heat-resistant winding is further impregnated with a high-viscosity inorganic binder varnish and heated and fired to form a heat-resistant winding for electric equipment, the moisture-proof effect is enhanced and effective.
次に第１図の製作工程を示すフローチャート及び第２
図の断面図を用いてこの発明による電気機器用の耐熱巻
線の製作方法の実施例を工程順に説明する。Next, a flow chart showing the manufacturing process of FIG.
Embodiments of a method for manufacturing a heat-resistant winding for electric equipment according to the present invention will be described in the order of steps with reference to the sectional views in the drawings.
（１）第１工程:P1 第２図に示すような銅等の導体１にニッケル等の金属
メッキ２がされ、その上にガラス繊維３が巻かれ、さら
に有機ワニス４が焼き付け塗布されたガラス巻き電線を
コイル巻きする。(1) First step: P1 Glass 1 in which a conductor 1 such as copper as shown in FIG. 2 is plated with metal 2 such as nickel, a glass fiber 3 is wound thereon, and an organic varnish 4 is baked and applied. Coil the wound wire.
なお、有機ワニス４が塗布されているのは、ガラス繊
維３がほつれないようにするためで、有機物を使用して
いるのは曲げ加工を容易にするためである。The organic varnish 4 is applied to prevent the glass fibers 3 from fraying, and the organic material is used to facilitate bending.
（２）第２工程:P2 第１工程P1でコイル巻きされたガラス巻き電線を、超
高温モータ等の電気機器の鉄心に設けられたスロットに
嵌め込む。(2) Second step: P2 The glass wound electric wire wound in the first step P1 is fitted into a slot provided in an iron core of an electric device such as an ultra-high temperature motor.
（３）第３工程:P3 第２工程P2で製作されたものを有機ワニス４が熱分解
する高温で加熱する。(3) Third step: P3 The product produced in the second step P2 is heated at a high temperature at which the organic varnish 4 is thermally decomposed.
（４）第４工程:P4 第３工程P3で製作されたものに低粘度の無機バインダ
ーワニスを真空含浸する。(4) Fourth step: P4 Vacuum impregnation of a low-viscosity inorganic binder varnish into the one produced in the third step P3.
（５）第５工程:P5 第４工程P4で製作されたものを加熱焼成する。(5) Fifth process: P5 The product manufactured in the fourth process P4 is heated and fired.
以上の工程でこの発明の基本となる耐熱巻線が製作さ
れるが、防水効果をより高める場合には、さらに、以下
の処理をおこなうことが望ましい。The heat-resistant winding which is the basis of the present invention is manufactured by the above steps. However, in order to further enhance the waterproof effect, it is desirable to further perform the following processing.
（６）第６工程:P6 前記工程で製作された耐熱巻線に、さらに、高粘度の
無機バインダーワニスを真空含浸する。(6) Sixth step: P6 The heat-resistant winding manufactured in the above step is further vacuum impregnated with a high-viscosity inorganic binder varnish.
（７）第７工程:P7 第６工程P6で製作されたものを加熱焼成する。(7) Seventh step: P7 The product manufactured in the sixth step P6 is heated and fired.
［作用］ 前記の工程において、第１工程P1でコイル巻きし、第
２工程P2でスロットに嵌め込んでいるので、この時点で
高温に耐えられない有機ワニス４は不要になり、第３工
程P3でこの有機ワニス４を分解し、代わりに第４工程P4
で高温に耐えられる低粘度の無機バインダーワニスをガ
ラス繊維層内及び電線間に含浸して、絶縁を行ってい
る。[Operation] In the above step, the coil is wound in the first step P1 and fitted in the slot in the second step P2, so that the organic varnish 4 that cannot withstand high temperature at this point is unnecessary, and the third step P3 Decomposes the organic varnish 4 in the fourth step P4
Insulation is performed by impregnating a low-viscosity inorganic binder varnish capable of withstanding high temperatures in the glass fiber layer and between the electric wires.
なお、この第６工程は、製作された耐熱巻線の防湿効
果をより高めるために成される処理なので、この第６工
程と次の第７工程は省略してもこの発明は成り立つ。Since the sixth step is a process performed to further enhance the moisture-proof effect of the manufactured heat-resistant winding, the present invention can be realized even if the sixth step and the next seventh step are omitted.
また、第４工程及び第６工程中では真空含浸処理を行
っているが、この含浸処理は、通常の含浸、いわゆるど
ぶ付け含浸処理でも良い。Although the vacuum impregnation process is performed in the fourth and sixth steps, the impregnation process may be a normal impregnation, that is, a so-called impregnation process.
［発明の効果］ この発明は電気機器用の耐熱巻線の製作方法は、前記
第１〜５工程に示すような方法であるため、この方法に
より製作された耐熱巻線は次のような優れた効果を有す
る。[Effects of the Invention] Since the present invention is a method for manufacturing a heat-resistant winding for electric equipment as shown in the first to fifth steps, the heat-resistant winding manufactured by this method has the following excellent properties. Has the effect.
ガラス繊維内に低粘度の無機バインダーワニスが含浸
されているため、クラックが発生することがなく、防湿
効果が向上し、従って絶縁抵抗は良好で、焼損事故が起
らず品質が安定する。Since the low-viscosity inorganic binder varnish is impregnated in the glass fiber, cracks do not occur and the moisture-proof effect is improved, so that the insulation resistance is good and the quality is stable without a burnout accident.
電線材料として安価なガラス巻き電線を使用するので
経済的効果が優れている。Since an inexpensive glass wound wire is used as the wire material, the economic effect is excellent.
前記第６〜７工程の処理を行えば、さらに、防湿効果
をより高めることができる。By performing the processes of the sixth and seventh steps, the moisture-proof effect can be further enhanced.
第１図はこの発明の耐熱巻線の製作方法を示すフローチ
ャート、第２図はこの発明で使用するガラス巻き電線を
示す断面図である。 １……導体、２……金属メッキ ３……ガラス繊維、４……有機ワニスFIG. 1 is a flowchart showing a method of manufacturing a heat-resistant winding according to the present invention, and FIG. 2 is a sectional view showing a glass wound electric wire used in the present invention. 1 ... conductor, 2 ... metal plating 3 ... glass fiber, 4 ... organic varnish
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−28020（ＪＰ，Ａ) 特開 昭56−167303（ＪＰ，Ａ) (58)調査した分野(Int.Cl.6，ＤＢ名) H01F 5/06,27/32,41/12 H01B 7/02,13/00────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-63-28020 (JP, A) JP-A-56-167303 (JP, A) (58) Fields investigated (Int. Cl. 6 , DB name) H01F 5 / 06,27 / 32,41 / 12 H01B 7 / 02,13 / 00
Claims (2)
メッキがされその上にガラス繊維が巻かれさらに有機ワ
ニスが添付されているガラス巻き電線をコイル巻し、当
該電気機器の鉄心に装着し、有機ワニスが熱分解する温
度で加熱し、低粘度の無機バインダーワニスを含浸し、
加熱焼成することを特徴とする電気機器用の耐熱巻線の
製作方法。1. A method of manufacturing a heat-resistant winding, comprising: a metal-plated conductor, a glass fiber wound thereon; and a glass-wound electric wire to which an organic varnish is attached. And heated at a temperature at which the organic varnish is thermally decomposed, impregnated with a low-viscosity inorganic binder varnish,
A method for producing a heat-resistant winding for electric equipment, characterized by heating and firing.
加熱焼成した後にさらに高粘度の無機バインダーワニス
を含浸し加熱焼成する請求項１記載の電気機器用の耐熱
巻線の製作方法。2. Impregnating a low-viscosity inorganic binder varnish,
2. The method for producing a heat-resistant winding for an electric device according to claim 1, wherein after the heating and firing, a high-viscosity inorganic binder varnish is further impregnated and heated and fired.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27963989A JP2817270B2 (en) | 1989-10-30 | 1989-10-30 | How to make heat-resistant windings for electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27963989A JP2817270B2 (en) | 1989-10-30 | 1989-10-30 | How to make heat-resistant windings for electrical equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03142806A JPH03142806A (en) | 1991-06-18 |
| JP2817270B2 true JP2817270B2 (en) | 1998-10-30 |
Family
ID=17613785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27963989A Expired - Lifetime JP2817270B2 (en) | 1989-10-30 | 1989-10-30 | How to make heat-resistant windings for electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2817270B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4617634B2 (en) * | 2003-02-20 | 2011-01-26 | ダイキン工業株式会社 | Manufacturing method of electrical equipment |
-
1989
- 1989-10-30 JP JP27963989A patent/JP2817270B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03142806A (en) | 1991-06-18 |
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