JPS618912U

JPS618912U - Lightning resistant tension insulator

Info

Publication number: JPS618912U
Application number: JP9418184U
Authority: JP
Inventors: 正臣渡辺; 節男向坂
Original assignee: 日本碍子株式会社
Priority date: 1984-06-22
Filing date: 1984-06-22
Publication date: 1986-01-20
Also published as: JPH023224Y2

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

[Brief explanation of drawings]

第１図は本考案の耐雷耐張碍子を組込んだ耐雷耐張装置
を示す正面図、第２図は耐雷耐張碍子のーみの拡大断面
図、第３図は第２図のＡ−Ａ線端面図、第４図は第２図
のＢ−Ｂ線端面図である。１１・・・耐雷耐張碍子、１３，１４・・・キャップ電
極、１６・・・筒状碍子、１８．１９・・・電極、２０
・・・限流素子、２１．２２・・・電極板、２３・・・
筒体、２４，２５・・・放電電極、Ｌ・・・放電間隙。Figure 1 is a front view showing a lightning tension device incorporating the lightning tension insulator of the present invention, Figure 2 is an enlarged sectional view of the lightning tension insulator, and Figure 3 is A--A in Figure 2. FIG. 4 is an end view taken along the line B--B in FIG. 2. 11... Lightning resistant tension insulator, 13, 14... Cap electrode, 16... Cylindrical insulator, 18. 19... Electrode, 20
...Current limiting element, 21.22...Electrode plate, 23...
Cylindrical body, 24, 25...discharge electrode, L...discharge gap.

Claims

[Claims for Utility Model Registration] 1. Cap electrodes 13, 14 at both ends of the tension insulating rod 12.
A cylindrical current limiting element 20 made of a material with non-linear voltage and current characteristics is fitted on the outer periphery of the tension insulating rod 12, and a cylindrical insulator is fitted on the outer periphery of the current limiting element 20. A discharge electrode 24.25 is disposed facing each other between the current limiting element 20 and one of the cap electrodes 13, and a discharge gap L between the two discharge electrodes 24.25 is made of an insulating sound absorbing material. A lightning-resistant tension insulator characterized by being surrounded by a cylindrical body 23. 2. The lightning-resistant tensile insulator according to claim 1, wherein the discharge gap L between the discharge electrodes 24 and 25 is set large so as not to operate against low-level abnormal voltages in the electric line. 3. The lightning-resistant tension insulator according to claim 1, wherein a plurality of pairs of the discharge electrodes 24, 25 are provided, each of which is separately covered by a cylindrical body 23. 4. The lightning-resistant tension insulator according to claim 1, wherein the cylindrical body 23 is made of porous ceramic. 5. The lightning-resistant tension insulator according to claim 1, wherein the inside of the cylindrical insulator 16 is filled with a closed foam insulator. 6 The current limiting element 20 has electrode plates 21, -2 on both ends thereof.
The lightning-resistant tension insulator according to claim 1, wherein the outer and inner peripheral surfaces are covered with an elastic insulator 26 together with electrodes 18 and 19 that are brought into contact with each other.