JPS63195270U - - Google Patents
Info
- Publication number
- JPS63195270U JPS63195270U JP8609587U JP8609587U JPS63195270U JP S63195270 U JPS63195270 U JP S63195270U JP 8609587 U JP8609587 U JP 8609587U JP 8609587 U JP8609587 U JP 8609587U JP S63195270 U JPS63195270 U JP S63195270U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic
- magnetic body
- wire
- tip
- current detection
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 9
- 230000004907 flux Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図はこの考案を具体化した一実施例の動作
チエツカーのブロツク回路図、第２図は同じく正
面図、第３図は同じく一部切欠側面図、第４図は
同じく平面図、第５図は電線による磁束と検出コ
イルを示す概念図、第６図は動作チエツカーの試
験装置を示す外略図、第７図は変形例を示す動作
チエツカーの正面図、第８図は電線による磁束と
従来の検出コイルを示す概念図である。
１……本体ケース、２……電流検出部、３……
カツトコア、３ａ……先端部、４……電流検出コ
イル、４ａ……鉄心、１２……電流レベル検出回
路、Ｘ……バイパス線。
Fig. 1 is a block circuit diagram of an operation checker according to an embodiment of this invention, Fig. 2 is a front view, Fig. 3 is a partially cutaway side view, Fig. 4 is a plan view, and Fig. 5 is a partially cutaway side view. The figure is a conceptual diagram showing the magnetic flux due to electric wires and the detection coil, Figure 6 is a schematic diagram showing the test device of the motion checker, Figure 7 is a front view of the motion checker showing a modified example, and Figure 8 is the magnetic flux due to the electric wires and the conventional tester. FIG. 2 is a conceptual diagram showing a detection coil of FIG. 1...Main body case, 2...Current detection section, 3...
Cut core, 3a...Tip, 4...Current detection coil, 4a...Iron core, 12...Current level detection circuit, X...Bypass wire.
Claims (1)
成した磁性体の先端部に対し、磁性体内に挿通し
た電線に基づいて生じる磁束を対応する他の磁性
体の先端部に誘導して閉磁気回路を形成する磁心
を突設すると共に、同磁心に対し電流検出コイル
を巻装し、前記電流検出コイルから出力される検
出信号に基づいて前記磁性体内に挿通された電線
が通電されているか否か無を判断する検出回路を
設けたことを特徴とする電線等の活線状態チエツ
カー。 The tip of the magnetic body is formed into a substantially U-shaped cross section through which an electric wire can be inserted through the tip, and the magnetic flux generated from the electric wire inserted into the magnetic body is guided to the corresponding tip of another magnetic body to close it. A magnetic core forming a magnetic circuit is provided protrudingly, and a current detection coil is wound around the same magnetic core, and a wire inserted into the magnetic body is energized based on a detection signal output from the current detection coil. A live wire status checker for electric wires, etc., characterized by being provided with a detection circuit for determining whether or not the wire is present.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8609587U JPH0441340Y2 (en) | 1987-06-02 | 1987-06-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8609587U JPH0441340Y2 (en) | 1987-06-02 | 1987-06-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63195270U true JPS63195270U (en) | 1988-12-15 |
| JPH0441340Y2 JPH0441340Y2 (en) | 1992-09-29 |
Family
ID=30942093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8609587U Expired JPH0441340Y2 (en) | 1987-06-02 | 1987-06-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441340Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004028736A (en) * | 2002-06-25 | 2004-01-29 | Hioki Ee Corp | Current sensor |
| JP2005257336A (en) * | 2004-03-09 | 2005-09-22 | Nec Corp | Current detecting coil, induced current detector, current detection device and alarm device |
-
1987
- 1987-06-02 JP JP8609587U patent/JPH0441340Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004028736A (en) * | 2002-06-25 | 2004-01-29 | Hioki Ee Corp | Current sensor |
| JP2005257336A (en) * | 2004-03-09 | 2005-09-22 | Nec Corp | Current detecting coil, induced current detector, current detection device and alarm device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0441340Y2 (en) | 1992-09-29 |
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