JPH0189372U - - Google Patents
Info
- Publication number
- JPH0189372U JPH0189372U JP18537987U JP18537987U JPH0189372U JP H0189372 U JPH0189372 U JP H0189372U JP 18537987 U JP18537987 U JP 18537987U JP 18537987 U JP18537987 U JP 18537987U JP H0189372 U JPH0189372 U JP H0189372U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- electro
- voltage sensor
- optical element
- sensor according
- 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
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000035699 permeability Effects 0.000 claims 2
- 229910000976 Electrical steel Inorganic materials 0.000 claims 1
- 239000013078 crystal Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 claims 1
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims 1
- 229910001004 magnetic alloy Inorganic materials 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
第１図はこの考案の一実施例を一部ブロツク図
で示す構成図、第２図は従来の光電圧センサを一
部ブロツク図で示す構成図、第３図は検出部の内
部構成を示す斜視図である。
図において、３は検出部、９は電気光学素子、
１４は磁気シールドである。尚、図中、同一符号
は同一又は相当部分を示す。
Fig. 1 is a partial block diagram of an embodiment of this invention; Fig. 2 is a partial block diagram of a conventional optical voltage sensor; Fig. 3 is the internal configuration of the detection unit. FIG. In the figure, 3 is a detection unit, 9 is an electro-optical element,
14 is a magnetic shield. In the drawings, the same reference numerals indicate the same or corresponding parts.
補正 昭６３．３．３０
図面の簡単な説明を次のように補正する。
明細書第８頁第１３行および第１５行の「検出
部」を「電圧検出部」と補正する。Amendment: March 30, 1981: The brief description of the drawing is amended as follows. "Detection section" on page 8, line 13 and line 15 of the specification is corrected to "voltage detection section."
Claims (1)
光学素子を有し、少なくともこの電気光学素子を
含む部分を高透磁率の磁気シールドで覆つたこと
を特徴とする光電圧センサ。 (2) 被測定電圧が交流であり、電気光学素子が
磁気光学効果も持つことを特徴とする実用新案登
録請求の範囲第１項記載の光電圧センサ。 (3) 電気光学素子がＢｉ１２ＧｅＯ２０あるい
はＢｉ１２ＳｉＯ２０の単結晶であることを特徴
とする実用新案登録請求の範囲第１項又は第２項
記載の光電圧センサ。 (4) 高透磁率の磁気シールドが鉄ニツケル磁性
合金の膜又はケイ素鋼板であることを特徴とする
実用新案登録請求の範囲第１項記載の光電圧セン
サ。[Claims for Utility Model Registration] (1) It is characterized by having an electro-optical element that modulates the phase of light according to the voltage to be measured, and at least a portion including the electro-optical element is covered with a magnetic shield with high magnetic permeability. Optical voltage sensor. (2) The optical voltage sensor according to claim 1, wherein the voltage to be measured is alternating current, and the electro-optical element also has a magneto-optical effect. (3) The optical voltage sensor according to claim 1 or 2, wherein the electro-optical element is a single crystal of Bi 12 GeO 20 or Bi 12 SiO 20 . (4) The optical voltage sensor according to claim 1, wherein the high magnetic permeability magnetic shield is an iron-nickel magnetic alloy film or a silicon steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18537987U JPH0189372U (en) | 1987-12-07 | 1987-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18537987U JPH0189372U (en) | 1987-12-07 | 1987-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0189372U true JPH0189372U (en) | 1989-06-13 |
Family
ID=31476698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18537987U Pending JPH0189372U (en) | 1987-12-07 | 1987-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0189372U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021205911A1 (en) * | 2020-04-07 | 2021-10-14 | 株式会社精工技研 | Optical voltage probe |
-
1987
- 1987-12-07 JP JP18537987U patent/JPH0189372U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021205911A1 (en) * | 2020-04-07 | 2021-10-14 | 株式会社精工技研 | Optical voltage probe |
| JP2021165666A (en) * | 2020-04-07 | 2021-10-14 | 株式会社精工技研 | Optical voltage probe |
| US11994539B2 (en) | 2020-04-07 | 2024-05-28 | Seikoh Giken Co., Ltd. | Optical voltage probe |
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