JPS6317467U - - Google Patents
Info
- Publication number
- JPS6317467U JPS6317467U JP11009386U JP11009386U JPS6317467U JP S6317467 U JPS6317467 U JP S6317467U JP 11009386 U JP11009386 U JP 11009386U JP 11009386 U JP11009386 U JP 11009386U JP S6317467 U JPS6317467 U JP S6317467U
- Authority
- JP
- Japan
- Prior art keywords
- current
- measuring device
- current transformer
- optical
- power supply
- 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
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 238000001514 detection method Methods 0.000 claims description 6
- 230000003287 optical effect Effects 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 239000013307 optical fiber Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Description
第１図は本考案に係る電流測定装置の要部構成
を示す回路図、第２図はその電流測定装置に用い
る検出用電流変成器のコイルが巻回された鉄心の
構成を示す斜視図、第３図はその検出用電流変成
器の構造の一例を示す断面図である。
１…電線、２…検出用電流変成器、３…測定装
置本体、４…鉄心、５…コイル、６，７…分割鉄
心、８…電気・光変換回路、１２…電源用電流変
成器、１５…光フアイバ、１５ａ…入射端、１５
ｂ…出射端、１６…光・電気変換回路。
FIG. 1 is a circuit diagram showing the main part configuration of a current measuring device according to the present invention, and FIG. 2 is a perspective view showing the configuration of an iron core around which a coil of a detection current transformer used in the current measuring device is wound. FIG. 3 is a sectional view showing an example of the structure of the detection current transformer. DESCRIPTION OF SYMBOLS 1... Electric wire, 2... Current transformer for detection, 3... Measuring device main body, 4... Iron core, 5... Coil, 6, 7... Split iron core, 8... Electrical/optical conversion circuit, 12... Current transformer for power supply, 15 ...Optical fiber, 15a...Incidence end, 15
b... Output end, 16... Optical/electrical conversion circuit.
Claims (1)
信号を生成する検出用電流変成器と、前記検出電
気信号に基づいて前記電線に流れる電流を測定す
る測定装置本体とが伝送路を介して接続されてい
る電流測定装置において、 前記伝送路が光フアイバから構成され、該光フ
アイバの入射端に前記検出電気信号を検出光信号
に変換する電気・光変換回路が光学的に接続され
、前記光フアイバの出射端に前記検出光信号を電
気信号に変換する光・電気変換回路が光学的に接
続され、前記電気・光変換回路の電流に、前記電
線に流れる電流に基づいて電源電圧を生成する電
源用電流変成器を用いたことを特徴とする電流測
定装置。 (2) 前記電源用電流変成器は、前記検出用電流
変成器と別個に形成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項に記載の電流測定
装置。 (3) 前記検出用電流変成器と前記電源用電流変
成器とは、鉄心と該鉄心に巻回されたコイルとか
ら少なくとも構成され、該鉄心は複数個の分割鉄
心から構成され、該分割鉄心は分離結合可能であ
ることを特徴とする実用新案登録請求の範囲第２
項に記載の電流測定装置。[Claims for Utility Model Registration] (1) A detection current transformer that generates a detected electric signal based on the current flowing in an electric wire, and a measuring device that measures the current flowing in the electric wire based on the detected electric signal. In a current measuring device that is connected to a main body via a transmission line, the transmission line is composed of an optical fiber, and an electric-to-optical conversion circuit that converts the detected electric signal into a detected optical signal is provided at the input end of the optical fiber. is optically connected to the output end of the optical fiber, and an optical/electrical conversion circuit for converting the detected optical signal into an electrical signal is optically connected to the output end of the optical fiber, and a current of the electrical/optical conversion circuit flows through the electric wire. A current measuring device characterized by using a power supply current transformer that generates a power supply voltage based on current. (2) The current measuring device according to claim 1, wherein the power supply current transformer is formed separately from the detection current transformer. (3) The detection current transformer and the power supply current transformer are each composed of at least an iron core and a coil wound around the iron core, and the iron core is composed of a plurality of divided iron cores, and the divided iron core is composed of a plurality of divided iron cores. Utility model registration claim 2, characterized in that can be separated and combined
The current measuring device described in section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009386U JPS6317467U (en) | 1986-07-18 | 1986-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11009386U JPS6317467U (en) | 1986-07-18 | 1986-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6317467U true JPS6317467U (en) | 1988-02-05 |
Family
ID=30988796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11009386U Pending JPS6317467U (en) | 1986-07-18 | 1986-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6317467U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55143444A (en) * | 1978-12-12 | 1980-11-08 | Meidensha Electric Mfg Co Ltd | Optical current transformer |
-
1986
- 1986-07-18 JP JP11009386U patent/JPS6317467U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS55143444A (en) * | 1978-12-12 | 1980-11-08 | Meidensha Electric Mfg Co Ltd | Optical current transformer |
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