JPH0481073U

JPH0481073U -

Info

Publication number: JPH0481073U
Application number: JP12558690U
Authority: JP
Priority date: 1990-11-27
Filing date: 1990-11-27
Publication date: 1992-07-15

Description

[Brief explanation of the drawing]

第１図は、この考案に従う光フアイバ配電線モ
ニタリングセンサの一例を示す断面図である。第
２図は、従来の光フアイバ配電線モニタリングセ
ンサの一例を示す断面図である。第３図は、第２
図においてコアの取付け状態を示す斜視図である
。図において、１および２１は光フアイバ配電線
モニタリングセンサ、２はセンサヘツド部、３は
配電線、４は浮遊電極、５はコア、６はギヤツプ
、７はセンサブース、８ａ，８ｂ，８ｃおよび８
ｄは光フアイバ、９は光電圧検出部、１０は光磁
界検出部、１１ａおよび１１ｂはリード線、１６
は穴、１７はポリウレタン系樹脂を示す。なお、
図中、同一符号は同一または相当部分を示す。 FIG. 1 is a sectional view showing an example of an optical fiber distribution line monitoring sensor according to this invention. FIG. 2 is a sectional view showing an example of a conventional optical fiber distribution line monitoring sensor. Figure 3 shows the second
It is a perspective view which shows the attachment state of a core in a figure. In the figure, 1 and 21 are optical fiber distribution line monitoring sensors, 2 is a sensor head, 3 is a distribution line, 4 is a floating electrode, 5 is a core, 6 is a gap, 7 is a sensor booth, 8a, 8b, 8c, and 8
d is an optical fiber, 9 is a photovoltage detection section, 10 is a photomagnetic field detection section, 11a and 11b are lead wires, 16
17 indicates a hole, and 17 indicates a polyurethane resin. In addition,
In the drawings, the same reference numerals indicate the same or corresponding parts.

Claims

[Claims for Utility Model Registration] An optical fiber distribution line monitoring sensor comprising: a housing; and a photodetector unit housed in the housing and connected to a pair of optical fibers for monitoring the distribution line, comprising: An optical fiber distribution line monitoring sensor, characterized in that a space around the photodetector in the housing is filled with resin.