JPS6337098U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例である雷断線保護装
置を絶縁電線の碍子による支持部に取付けた状態
を示す正面図である。第２図乃至第５図は限流要
素ユニツトの実施例を示し、第２図は正面図、第
３図及び第４図は第２図に示す限流要素ユニツト
から外被絶縁体を取り除いた状態を示す正面図で
、第４図は左半分を断面で示す。第５図は他の実
施例の絶縁筒の形成を示す正面図である。第６図
はアークホーンの平面図である。第７図乃至第９
図は電極構体を示す図で、第７図は側断面図、第
８図は抱持体の動きを説明するための側面図、第
９図はネジ部材と芯線との接続状態を示すための
断面図である。第１０図は従来の雷断線保護装置
の取付例を示す正面図である。 ２０……碍子、２２……絶縁電線、２３……腕
金、４００……雷断線保護装置、５００……限流
要素ユニツト、５０１……絶縁筒、５０２……放
圧孔、５０３……限流要素、５０４……端子、５
１１……外被絶縁体、６００……アークホーン。 FIG. 1 is a front view showing a lightning disconnection protection device according to an embodiment of the present invention attached to an insulator support portion of an insulated wire. Figures 2 to 5 show examples of the current-limiting element unit, with Figure 2 being a front view, and Figures 3 and 4 showing the current-limiting element unit shown in Figure 2 with the jacket insulator removed. This is a front view showing the state, and FIG. 4 shows the left half in cross section. FIG. 5 is a front view showing the formation of an insulating cylinder in another embodiment. FIG. 6 is a plan view of the arc horn. Figures 7 to 9
The figures are views showing the electrode structure, FIG. 7 is a side sectional view, FIG. 8 is a side view for explaining the movement of the holding body, and FIG. 9 is a side view for explaining the connection between the screw member and the core wire. FIG. FIG. 10 is a front view showing an installation example of a conventional lightning disconnection protection device. 20... Insulator, 22... Insulated wire, 23... Bracelet, 400... Lightning disconnection protection device, 500... Current limiting element unit, 501... Insulating cylinder, 502... Pressure relief hole, 503... Limit Flow element, 504...Terminal, 5
11... Outer insulation, 600... Arc horn.

Claims (1)

【実用新案登録請求の範囲】 (1) 限流要素を収容し腕金等の支持物に固定さ
れた限流要素ユニツトと、所定体積の放電電極が
突出形成され、絶縁電線に、その内部導体と電気
的に接続された状態で取付けられた電極構体と、
上記放電電極と所定の間隔で対向するように上記
限流要素ユニツトの電線側端子に固定されたアー
クホーンとからなるものにおいて、 上記限流要素ユニツトを、 放圧用の孔若しくはスリツトを有し、限流要素
を収容した絶縁筒と、 この限流要素の両端に電気的接続された状態で
、絶縁筒の両端開口に固定された電線側端子及び
接地側端子と、 弾性絶縁材より形成され、上記絶縁筒の外周を
覆う外被絶縁体とから構成したことを特徴とする
絶縁電線の雷断線保護装置。 (2) 外被絶縁体が収縮チユーブからなることを
特徴とする実用新案登録請求の範囲第１項に記載
の絶縁電線の雷断線保護装置。 (3) 絶縁筒の内部空隙にシリコーンゴム等の弾
性を有する絶縁材料が充填されていることを特徴
とする実用新案登録請求の範囲第１項に記載の絶
縁電線の雷断線保護装置。 (4) 外被絶縁体が収縮チユーブからなることを
特徴とする実用新案登録請求の範囲第３項に記載
の絶縁電線の雷断線保護装置。[Claims for Utility Model Registration] (1) A current-limiting element unit that houses a current-limiting element and is fixed to a support such as an arm arm, and a discharge electrode of a predetermined volume is formed protrudingly, and an insulated wire is connected to its internal conductor. an electrode structure installed in electrical connection with the
an arc horn fixed to the wire-side terminal of the current-limiting element unit so as to face the discharge electrode at a predetermined interval, the current-limiting element unit having a hole or slit for pressure relief; an insulating tube that accommodates a current limiting element; a wire-side terminal and a grounding-side terminal that are electrically connected to both ends of the current-limiting element and fixed to openings at both ends of the insulating tube; formed of an elastic insulating material; A lightning disconnection protection device for an insulated wire, characterized in that it is comprised of a jacket insulator that covers the outer periphery of the insulating tube. (2) The lightning breakage protection device for an insulated wire as set forth in claim 1 of the utility model registration claim, wherein the outer insulator is made of a shrink tube. (3) The lightning breakage protection device for an insulated wire according to claim 1, wherein the internal void of the insulating tube is filled with an elastic insulating material such as silicone rubber. (4) The lightning breakage protection device for an insulated wire as set forth in claim 3 of the utility model registration claim, wherein the outer insulator is made of a shrink tube.