JPS581923A - Cable conductor induction heating facility - Google Patents
Cable conductor induction heating facilityInfo
- Publication number
- JPS581923A JPS581923A JP9933781A JP9933781A JPS581923A JP S581923 A JPS581923 A JP S581923A JP 9933781 A JP9933781 A JP 9933781A JP 9933781 A JP9933781 A JP 9933781A JP S581923 A JPS581923 A JP S581923A
- Authority
- JP
- Japan
- Prior art keywords
- induction heating
- cable conductor
- cable
- winding core
- heating coil
- 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
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】
本発明はケーブル導体誘導加熱設備に係り、特にポリエ
チレン被覆を装備して架橋ポリエチレン電カケープルに
するためのケーブル導体誘導加熱設備に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to cable conductor induction heating equipment, and more particularly to a cable conductor induction heating equipment for equipping a cable conductor with a polyethylene coating to form a crosslinked polyethylene electric cable.
従来、この種のケーブルゝ導体誘導加熱設備は、鉄ある
いはステンレス鋼製の架、橋部の内部に、絶縁性の円筒
型巻芯を備えた円筒ソレノイドコイル型の誘導加熱コイ
ルが設けられ、前記巻芯内にポリエチレン被覆を有する
電カケープルを通過させ、前記誘導加熱コイルに通電す
ることＫより電カケープルの導体を誘導加熱してポリエ
チレン被覆を架橋し、架橋ポリエチレン電カケープルと
するものであった。Conventionally, in this type of cable conductor induction heating equipment, a cylindrical solenoid coil type induction heating coil equipped with an insulating cylindrical winding core is installed inside a bridge or bridge made of iron or stainless steel. An electric cable having a polyethylene coating was passed through the winding core, and electricity was applied to the induction heating coil to inductively heat the conductor of the electric cable to crosslink the polyethylene coating, thereby forming a crosslinked polyethylene electric cable.
゛ところが、このような構造においては、高周波電流に
よって架橋筒に生じる発熱損失を低減させるためＫ、誘
導加熱コイルと架橋筒との間隙を大幅に離間させる大き
な直径の架橋筒を設ける必要があるという難点があった
。However, in such a structure, in order to reduce heat loss generated in the bridge tube due to high-frequency current, it is necessary to provide a bridge tube with a large diameter that significantly separates the gap between the induction heating coil and the bridge tube. There was a problem.
本発明の目的は、上記の難点を解除し、小さな直径の架
橋筒を用いて誘導加熱効率を向上させることができるケ
ーブル導体誘導加熱設備を提供することにある。SUMMARY OF THE INVENTION An object of the present invention is to provide a cable conductor induction heating equipment that overcomes the above-mentioned difficulties and can improve induction heating efficiency by using a bridge tube with a small diameter.
本発明は、架橋筒の内部に円筒型巻芯を備えだ誘導加熱
コイルが設けられ、前記巻芯内にポリエチレン被覆を有
する電カケープルを通過させ、そのケーブル導体を誘導
加熱してポリエチレン被覆を架橋するケーブル導体誘導
加熱設備において、前記架橋筒の内面に電気的良導体に
よる内張りが施されていることを特徴とするものである
。In the present invention, an induction heating coil equipped with a cylindrical winding core is provided inside a crosslinking tube, an electric cable having a polyethylene coating is passed through the winding core, and the cable conductor is inductively heated to crosslink the polyethylene sheathing. The cable conductor induction heating equipment is characterized in that the inner surface of the bridging tube is lined with a good electrical conductor.
以下本発明の実施例を図面に、よって説明する。Embodiments of the present invention will be described below with reference to the drawings.
図は本発明のケーブル導体誘導加熱設備の一実施例の断
面図で、１はケーブル導体、２はポリエチレン被覆、３
は高温、高圧力に保持される加熱用熱媒体、４は絶縁性
の円筒型巻芯、５は巻芯４を白シに備えた円筒ソレノイ
ドコイル型の誘導加熱コイル、６はステンレス鋼製の架
橋筒でステンレス鋼製のフランジ７により密閉する構造
となっている。The figure is a sectional view of an embodiment of the cable conductor induction heating equipment of the present invention, in which 1 is a cable conductor, 2 is a polyethylene coating, and 3 is a cable conductor.
4 is an insulating cylindrical winding core; 5 is a cylindrical solenoid coil type induction heating coil equipped with the winding core 4 on the white side; 6 is a stainless steel induction heating coil; It has a structure in which the bridge cylinder is sealed with a flange 7 made of stainless steel.
そして、これら架橋筒６とフランジ７の内面は電気的良
導体として銅板を用いた内張り８が導電性 □のよい状
態に施されている。９は誘導加熱コイル５の端子１０を
取り出すために設けられたブッシング、１１は熱媒体の
流通口である。The inner surfaces of the bridging tube 6 and the flange 7 are lined with a lining 8 made of a copper plate as an electrically conductive material with good electrical conductivity. 9 is a bushing provided for taking out the terminal 10 of the induction heating coil 5, and 11 is a heat medium flow port.
すなわち、架橋筒６の内部に、円筒型巻芯４を備えた誘
導加熱コイル５が設けられ、巻芯４内にポリエチレン被
覆２を有する電カケープルを通過さ、せ、そのケーブル
導体１を誘導加熱してポリエチレン被覆２を架橋するケ
ーブル導体誘導加熱設備において、曲射架橋筒６の内面
をフランジ７の内面を含めて電気的良導体の銅板によっ
て内張り８を施した構造である。That is, an induction heating coil 5 having a cylindrical winding core 4 is provided inside the bridging tube 6, and an electric cable having a polyethylene coating 2 inside the winding core 4 is passed through to induction heat the cable conductor 1. In the cable conductor induction heating equipment for crosslinking the polyethylene coating 2, the inner surface of the curved crosslinking tube 6, including the inner surface of the flange 7, is lined 8 with a copper plate having a good electrical conductivity.
この実施例において、誘導加熱コイル５には、直径１８
ｍｍ、長さ９０＋ａ＋の円筒型ンレノイドコイルが用い
られ、測定周波数は９０ ＫＨｚであり、架橋筒６に平
均直径４７ｍのステンレス鋼製パイプを用いたところ、
誘導加熱コイル５のコンダクタ ・ンスは、２．４４Ｘ
１０−”（ｈ） がら４．０７Ｘ１０−’（Ω）に増加
した。ところが、同一条件のもとて架橋節６に厚さ０．
５順銅板の内張り８を施した場合における誘導加熱コイ
ル５のコンダクタンスは、５．４７ Ｘ １０ ”（Ω
）に低下した。In this embodiment, the induction heating coil 5 has a diameter of 18 mm.
A cylindrical lenoid coil with a length of 90 mm and a length of 90 mm was used, the measurement frequency was 90 KHz, and a stainless steel pipe with an average diameter of 47 m was used as the bridge tube 6.
The conductor of induction heating coil 5 is 2.44X
10-'' (h) increased to 4.07X10-' (Ω).However, under the same conditions, the thickness of the bridge node 6 was 0.
The conductance of the induction heating coil 5 when the lining 8 is made of copper plate is 5.47 x 10'' (Ω
).
すなわち、内張り８を施したことにより、高周波電流に
よって架橋筒６に生じる発熱損失を（（３，４７−２，
４４１／（４，０７−２，４４） ）Ｘ １００＝６３
（剣に低下させることができた。That is, by applying the lining 8, the heat loss generated in the bridge cylinder 6 due to high frequency current can be reduced by ((3, 47-2,
441/(4,07-2,44))X100=63
(It could be reduced to a sword.
以上説明したように、本発明によるときは架橋筒に生じ
る発熱損失を低減させることができるの゛で、小さな直
径の架橋筒を用いて誘導加熱効率を向上させることがで
き、あるいは架橋筒の冷却容普を少なくできる逼ど、ケ
ーブル導体誘導加熱設備の小型化に有益な実用的効果を
奏することができる。As explained above, according to the present invention, it is possible to reduce the heat loss occurring in the cross-linked cylinder, and it is possible to improve the induction heating efficiency by using a cross-linked cylinder with a small diameter, or to cool the cross-linked cylinder. As long as the size can be reduced, a practical effect can be produced which is useful for downsizing the cable conductor induction heating equipment.
図は本発明のケーブル導体誘導加熱４備の一実施例の断
面図である。
１：ケーブル導体、２：ポリエチレン被覆、４：巻芯、
５：誘導加熱コイル、６：架橋筒、８：内張り。The figure is a sectional view of an embodiment of the cable conductor induction heating 4 according to the present invention. 1: Cable conductor, 2: Polyethylene coating, 4: Winding core,
5: induction heating coil, 6: crosslinked cylinder, 8: lining.
Claims (1)
イルが設けられ、前記巻芯内にポリエチレン被覆を有す
る電カケープルを通過させ、そのケーブル導体を誘導加
熱してポリエチレン被覆を架橋するケーブル導体誘導加
熱設備において。 前記架橋筒の内面に電気的良導体による内張りが施され
ていることを特徴とするケーブル導体誘導加熱設備。[Claims] 1. An induction heating coil with a cylindrical winding core is provided inside the bridging tube, and an electric cable having a polyethylene coating is passed through the winding core to induction heat the cable conductor. in cable conductor induction heating equipment for crosslinking polyethylene coatings. A cable conductor induction heating equipment characterized in that the inner surface of the bridging tube is lined with a good electrical conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9933781A JPS581923A (en) | 1981-06-25 | 1981-06-25 | Cable conductor induction heating facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9933781A JPS581923A (en) | 1981-06-25 | 1981-06-25 | Cable conductor induction heating facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS581923A true JPS581923A (en) | 1983-01-07 |
Family
ID=14244807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9933781A Pending JPS581923A (en) | 1981-06-25 | 1981-06-25 | Cable conductor induction heating facility |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS581923A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230581A (en) * | 1985-05-17 | 1987-02-09 | デビツド レズニク | Device and method of drying or curing coating supporter |
-
1981
- 1981-06-25 JP JP9933781A patent/JPS581923A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6230581A (en) * | 1985-05-17 | 1987-02-09 | デビツド レズニク | Device and method of drying or curing coating supporter |
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