JPH087662A - Insulating electric wire - Google Patents
Insulating electric wireInfo
- Publication number
- JPH087662A JPH087662A JP15790094A JP15790094A JPH087662A JP H087662 A JPH087662 A JP H087662A JP 15790094 A JP15790094 A JP 15790094A JP 15790094 A JP15790094 A JP 15790094A JP H087662 A JPH087662 A JP H087662A
- Authority
- JP
- Japan
- Prior art keywords
- braid
- pet
- pet yarn
- yarn
- electric wire
- 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
Landscapes
- Organic Insulating Materials (AREA)
- Insulated Conductors (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、導体の外周にＰＥＴ糸
からなる編組が被覆された絶縁電線に係り、例えばコン
プレッサー用のリード電線（ケーブルも含む）として用
いて有用な電線に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an insulated electric wire in which the outer periphery of a conductor is covered with a braid made of PET yarn, and more particularly to an electric wire which is useful as a lead electric wire (including a cable) for a compressor. .
【０００２】[0002]
【従来の技術】従来、コンプレッサー用のリード電線と
しては、撚り線導体上にＰＥＴ糸からなる編組を被覆す
ると共に、さらにこの上にＰＥＴからなるテープをラッ
プして巻き付ける一方、最外層にも、識別用の着色など
を施した着色ＰＥＴ糸と非着色のＰＥＴ糸からなる編組
を被覆した絶縁電線が提供されている。このような絶縁
電線の製造にあって、従来は、製糸メーカーから提供さ
れた編組をそのまま用いるのが一般的であった。2. Description of the Related Art Conventionally, as a lead wire for a compressor, a twisted wire conductor is covered with a braid made of PET yarn, and a tape made of PET is further wrapped and wound on the stranded wire conductor, while the outermost layer is also wound. There is provided an insulated electric wire coated with a braid composed of a colored PET yarn and a non-colored PET yarn that are colored for identification. In the manufacture of such an insulated wire, conventionally, it is general to use the braid provided by the yarn manufacturing maker as it is.
【０００３】[0003]
【発明が解決しようとする課題】ところが、上記のよう
にして製造した絶縁電線を用いたコンプレッサーにあっ
ては、コンプレッサー内にもれ電流が発生して不具合と
なったり、当該コンプレッサーの使用されている冷凍機
のサイクル内における膨張弁などに不純物が付着して閉
塞しがちになったり、蒸発器部分の内部などにも不純物
が付着して凝固するなどの問題があった。However, in the compressor using the insulated wire manufactured as described above, leakage current is generated in the compressor to cause a problem, and the compressor is not used. There have been problems that impurities tend to be blocked by the adhesion of expansion valves and the like in the cycle of the refrigerator that is used, and impurities also adhere to the inside of the evaporator and solidify.
【０００４】そこで、本発明者等が、これらの原因につ
いて鋭意検討した結果、上記絶縁電線に用いられている
ＰＥＴ糸の編組に問題があることを突き止めた。つま
り、種々の実験を繰り返したところ、当該編組のＰＥＴ
糸に帯電防止や柔軟性付与、摩擦減少などのために使用
される界面活性剤（収束剤）などが、当該編組の表面や
内部に付着ないし含有された形で残り、この物質が何等
かの原因でコンプレッサーの冷媒中（例えばハイドロフ
ルオロカーボンなど）に溶け出して、当該冷媒の絶縁抵
抗を低下させ、もれ電流の原因となったり、あるいは上
記物質自体が不純物として、装置中の弁機構部分や蒸発
器部分に付着し、凝固するなどの問題があることを見出
した。Therefore, as a result of diligent studies on the causes of these problems, the present inventors have found that there is a problem in the braiding of the PET yarn used in the insulated wire. In other words, when various experiments were repeated, the PET of the braid
A surface active agent (converging agent) used for preventing static electricity, imparting flexibility, reducing friction, etc., remains attached to or contained on the surface or inside of the braid. It may be dissolved in the refrigerant of the compressor (for example, hydrofluorocarbon) due to the cause, and the insulation resistance of the refrigerant may be reduced, causing leakage current, or the above substance itself as an impurity may cause a valve mechanism part in the device or It has been found that there is a problem that it adheres to the evaporator part and solidifies.
【０００５】本発明は、このような事実に基づき、ＰＥ
Ｔ糸の編組を用いるに際して、当該編組に付着ないし含
有されている物質、すなわち界面活性剤の除去処理を行
い、上記不都合を解消した絶縁電線を提供しようとする
ものである。The present invention is based on such facts
An object of the present invention is to provide an insulated electric wire that eliminates the above-mentioned inconvenience by removing a substance attached to or contained in the braid, that is, a surfactant when using the braid of the T yarn.
【０００６】[0006]
【課題を解決するための手段】かゝる本発明の特徴とす
る構成は、導体の外周に少なくとも１層のＰＥＴ糸から
なる編組が被覆された絶縁電線において、前記ＰＥＴ糸
編組として、当該ＰＥＴ糸編組に付着ないし含有されて
いる界面活性剤の除去処理が施されたものを用いた絶縁
電線にある。Such a characteristic feature of the present invention is that in an insulated wire in which the outer periphery of a conductor is covered with a braid made of at least one layer of PET yarn, the PET yarn is used as the PET yarn braid. This is an insulated electric wire using a product in which a surfactant adhering to or contained in a yarn braid is removed.
【０００７】[0007]
【作用】このようにＰＥＴ糸編組に付着ないし含有され
ている界面活性剤を除去処理することにより、冷媒への
溶解や装置中の弁機構部分や蒸発器部分などへの付着な
どが未然に防止されるため、コンプレッサーなどのリー
ド電線としては、優れた特性の絶縁電線が得られる。By removing the surfactant attached to or contained in the PET yarn braid in this way, it is possible to prevent it from dissolving in the refrigerant or adhering to the valve mechanism part or the evaporator part in the device. Therefore, an insulated electric wire having excellent characteristics can be obtained as a lead electric wire for a compressor or the like.
【０００８】[0008]
【実施例】図１は、本発明に係る絶縁電線の一実施例を
示したもので、図中、１は撚線などの導体、２はこの導
体１上に被覆した１層目のＰＥＴ糸からなる編組、３は
この１層目のＰＥＴ糸編組２上にラッピングして巻き付
けるなどした２層目のＰＥＴテープ、３はさらにこのＰ
ＥＴテープ３上に被覆した、識別用の着色などを施した
着色ＰＥＴ糸と非着色のＰＥＴ糸からなる最外層の編組
である。これらの各ＰＥＴ糸編組２，３の被覆にあたっ
ては、その表面や内部に付着ないし含有されている界面
活性剤の除去処理を行ったものを使用してある。FIG. 1 shows an embodiment of an insulated wire according to the present invention. In the figure, 1 is a conductor such as a stranded wire, and 2 is a first layer PET yarn coated on the conductor 1. The braid 3 consisting of 3 is a PET tape of the 2nd layer which is wrapped around the PET yarn braid 2 of the 1st layer and wound, and 3 is the P tape
It is a braid of the outermost layer, which is composed of a colored PET yarn and a non-colored PET yarn, which are coated on the ET tape 3 and are colored for identification. When coating each of the PET yarn braids 2 and 3, the PET yarn braids 2 and 3 are used after the removal of the surfactant attached or contained on the surface or inside thereof.
【０００９】上記付着ないし含有されている界面活性剤
の除去処理方法としては、例えば、（１）ＰＥＴ糸を９
５℃以上の熱湯で洗う方法、（２）ＰＥＴ糸を工業用ガ
ソリン（ＪＩＳ−Ｋ２２０１）などを主成分とするミネ
ラルスピリットＡ（商品名、日本石油工業社製）で洗う
方法、（３）ＰＥＴ糸をｎ−ヘキサンで洗う方法、
（４）ＰＥＴ糸をメタノールなどのアルコール系の物質
で洗う方法、（５）ＰＥＴ糸をアルコールとベンゼンの
混合液（混合比１：２）で洗う方法、（６）ＰＥＴ糸を
高級アルコール系洗剤などの界面活性剤と熱湯で洗う方
法などが挙げられる。As a method of removing the above-mentioned adhered or contained surfactant, for example, (1) PET yarn 9
Method of washing with hot water of 5 ° C or higher, (2) Method of washing PET yarn with mineral spirit A (trade name, manufactured by Nippon Oil Industry Co., Ltd.) whose main component is industrial gasoline (JIS-K2201), (3) PET A method of washing the thread with n-hexane,
(4) Method of washing PET yarn with alcohol-based substance such as methanol, (5) Method of washing PET yarn with mixed liquid of alcohol and benzene (mixing ratio 1: 2), (6) PET yarn with higher alcohol detergent And a method of washing with a surface active agent such as hot water.
【００１０】次に、このような各方法によって得られた
ＰＥＴ糸編組の付着ないし含有された物質の除去率
（％）を調べると共に、当該除去処理後のＰＥＴ糸編組
を用いて本発明に係る絶縁電線（実施例１〜６）を試作
し、これらの各絶縁電線をコンプレッサーのリード電線
として使用し、その際のもれ電流の発生状況や弁機構部
分などへの付着状況を調べた。その結果を表１に示し
た。Next, the removal rate (%) of the substances adhering to or contained in the PET yarn braid obtained by each of the above-mentioned methods is examined, and the PET yarn braid after the removal treatment is used to apply the present invention. Insulated wires (Examples 1 to 6) were prototyped, and each of these insulated wires was used as a lead wire of a compressor, and the leakage current generation state and the adhesion state to the valve mechanism portion and the like were investigated. The results are shown in Table 1.
【００１１】なお、比較のため、（１）ＰＥＴ糸に何の
処理も施さず、製糸メーカーから提供されたままである
編組の場合、（２）ＰＥＴ糸を単に水洗いした場合、
（３）ＰＥＴ糸を約６０℃の熱湯で洗った場合における
各除去率（％）を調べると共に、上記と同様これらのＰ
ＥＴ糸の編組を用いて絶縁電線（比較例１〜３）を試作
し、コンプレッサーのリード電線として使用した場合、
そのもれ電流の発生状況や弁機構部分などへの付着状況
を調べた。また、（４）上記ＰＥＴ糸に何の処理も施さ
ないＰＥＴ糸編組を導体上に所定の形で被覆した後にミ
ネラルスピリットＡ（商品名、日本石油工業社製）で洗
った絶縁電線（比較例４）をコンプレッサーのリード電
線として使用した場合における除去率（％）を調べると
共に、もれ電流の発生状況や弁機構部分などへの付着状
況も調べた。これらの結果も表１に併記した。For comparison, (1) when the PET yarn is not subjected to any treatment and is still provided by the yarn manufacturer, (2) when the PET yarn is simply washed with water,
(3) Each removal rate (%) when the PET yarn was washed with hot water at about 60 ° C. was examined, and the P
When an insulated electric wire (Comparative Examples 1 to 3) was prototyped using a braid of ET yarn and used as a lead electric wire of a compressor,
The leakage current generation state and the adhesion state to the valve mechanism part were examined. (4) An insulated electric wire (comparative example) in which the PET yarn braid in which the PET yarn is not subjected to any treatment is coated on the conductor in a predetermined shape and then washed with Mineral Spirit A (trade name, manufactured by Japan Petroleum Industry Co., Ltd.) The removal rate (%) when 4) was used as the lead wire of the compressor was examined, and the leakage current generation state and the adhesion state to the valve mechanism part were also examined. These results are also shown in Table 1.
【００１２】また、上記ＰＥＴ糸編組の除去率（％）の
測定は、ソックスレー抽出法により得られた抽出物の重
量を測定する方法により行った。さらに、もれ電流の測
定は、フロン中にサンプル絶縁電線のテスターコイルを
浸漬させ、１００Ｖの電圧を課電し、テスターコイルと
鉄芯間の電流を測定する方法により行い、装置中の弁機
構部分などへの付着状況は、所定時間の経過をまった
後、当該部分を分解し、目視によって調べた。The removal rate (%) of the PET yarn braid was measured by a method of measuring the weight of the extract obtained by the Soxhlet extraction method. Furthermore, the leak current is measured by immersing the tester coil of the sample insulated wire in Freon, applying a voltage of 100 V, and measuring the current between the tester coil and the iron core. The state of adhesion to a portion was examined by visually observing the portion after a lapse of a predetermined time.
【００１３】[0013]
【表１】 [Table 1]
【００１４】上記表１から、本発明で採用した除去処理
方法を施した実施例の場合（実施例１〜６）、約８０〜
９０％以上の高い除去率が得られ、また、もれ電流の発
生や弁機構部分などへの付着、凝固なども殆どないこと
が判った。これに対して、比較例の場合（比較例１〜
４）には、付着物質などの高い除去率は得られず（３〜
精々５０％止まり）、この結果、これらの絶縁電線を使
用したコンプレッサーにあっては、もれ電流の発生が見
られると共に、冷却機の弁機構部分などに付着し、凝固
するなどの点が見られた。From Table 1 above, in the case of the examples in which the removal treatment method adopted in the present invention is applied (Examples 1 to 6), about 80-
It was found that a high removal rate of 90% or more was obtained, and that there was almost no generation of leakage current, adhesion to valve mechanism parts, and solidification. On the other hand, in the case of the comparative example (Comparative Examples 1 to 1
In 4), a high removal rate of adhering substances was not obtained (3 to
As a result, in compressors using these insulated wires, leakage current is seen to occur, and there is a point that it adheres to the valve mechanism part of the cooler and solidifies. Was given.
【００１５】なお、上記説明では、本発明に係る絶縁電
線は、ＰＥＴ糸編組の付着物質などがコンプレッサーの
冷媒中に溶け出したり、装置部分に付着するなどの問題
を解消する有用な絶縁電線として述べてあるが、本発明
は、上記冷媒に限らず、当該冷媒と同様に付着物質など
の存在によって不都合が生じる場合にも応用することが
できる。In the above description, the insulated wire according to the present invention is a useful insulated wire that solves the problems such as the adhered substances of the PET yarn braid being dissolved in the refrigerant of the compressor and adhering to the device part. As mentioned above, the present invention is not limited to the above-mentioned refrigerant, but can be applied to the case where the inconvenience occurs due to the presence of the adhered substance or the like as in the case of the refrigerant.
【００１６】[0016]
【発明の効果】このように本発明は、導体の外周に少な
くとも１層のＰＥＴ糸からなる編組が被覆された絶縁電
線において、前記ＰＥＴ糸編組として、当該ＰＥＴ糸編
組に付着ないし含有されている物質の除去処理が施され
たものを用いてあるため、冷媒への溶解や装置中の弁機
構部分などへの付着などが未然に防止されるため、コン
プレッサーなどのリード電線としては、優れた特性の絶
縁電線が得られる。As described above, according to the present invention, in an insulated wire in which the outer periphery of a conductor is covered with at least one layer of a braid made of PET yarn, the PET yarn braid is attached to or contained in the PET yarn braid. Since it uses a substance that has been subjected to a treatment to remove substances, it is prevented from dissolving in the refrigerant or adhering to the valve mechanism part in the device, etc., so it has excellent characteristics as a lead wire for a compressor, etc. The insulated wire of is obtained.
【図１】本発明に係る絶縁電線の一実施例を示した縦断
面図である。FIG. 1 is a vertical sectional view showing an embodiment of an insulated wire according to the present invention.
１ 導体、 ２ ＰＥＴ糸編組 ３ ＰＥＴテープ ４ ＰＥＴ糸編組 1 conductor, 2 PET yarn braid 3 PET tape 4 PET yarn braid
Claims (1)
からなる編組が被覆された絶縁電線において、前記ＰＥ
Ｔ糸編組として、当該ＰＥＴ糸編組に付着ないし含有さ
れている界面活性剤の除去処理が施されたものを用いた
ことを特徴とする絶縁電線。1. An insulated electric wire in which an outer periphery of a conductor is covered with a braid made of at least one layer of PET yarn, wherein the PE
An insulated electric wire, characterized in that, as the T yarn braid, one obtained by subjecting the PET yarn braid to a treatment for removing a surfactant attached or contained therein is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15790094A JPH087662A (en) | 1994-06-15 | 1994-06-15 | Insulating electric wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15790094A JPH087662A (en) | 1994-06-15 | 1994-06-15 | Insulating electric wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH087662A true JPH087662A (en) | 1996-01-12 |
Family
ID=15659885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15790094A Pending JPH087662A (en) | 1994-06-15 | 1994-06-15 | Insulating electric wire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH087662A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7527520B2 (en) | 2006-02-23 | 2009-05-05 | Kabushiki Kaisha Toshiba | Cable tying apparatus and electronic device having cable tying apparatus |
| CN102682909A (en) * | 2012-05-08 | 2012-09-19 | 江苏珠影特种电缆有限公司 | Power cable capable of resisting high/low temperature |
| CN103994061A (en) * | 2014-05-22 | 2014-08-20 | 广东美芝精密制造有限公司 | Compressor protecting assembly and compressor provided with same |
-
1994
- 1994-06-15 JP JP15790094A patent/JPH087662A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7527520B2 (en) | 2006-02-23 | 2009-05-05 | Kabushiki Kaisha Toshiba | Cable tying apparatus and electronic device having cable tying apparatus |
| CN102682909A (en) * | 2012-05-08 | 2012-09-19 | 江苏珠影特种电缆有限公司 | Power cable capable of resisting high/low temperature |
| CN103994061A (en) * | 2014-05-22 | 2014-08-20 | 广东美芝精密制造有限公司 | Compressor protecting assembly and compressor provided with same |
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