JPS649421U - - Google Patents
Info
- Publication number
- JPS649421U JPS649421U JP10182787U JP10182787U JPS649421U JP S649421 U JPS649421 U JP S649421U JP 10182787 U JP10182787 U JP 10182787U JP 10182787 U JP10182787 U JP 10182787U JP S649421 U JPS649421 U JP S649421U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- grounded
- electrical equipment
- detection element
- detection device
- 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
- 238000001514 detection method Methods 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Gas-Insulated Switchgears (AREA)
- Protection Of Static Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Emergency Protection Circuit Devices (AREA)
Description
第１図はこの考案の一実施例による遮断器の地
絡検出装置の構成図、第２図はこの考案の他の実
施例を示す地絡検出装置の構成図、第３図は従来
の地絡検出装置を示す側面図、第４図は従来の単
独の接地ケース形の地絡検出装置の構成図である
。
１は接地容器、５は接地部分、６，６ａは光方
式磁界検出素子、８は計測部。なお、図中、同一
符号は同一、又は相当部分を示す。
Fig. 1 is a block diagram of a ground fault detection device for a circuit breaker according to one embodiment of this invention, Fig. 2 is a block diagram of a ground fault detection device showing another embodiment of this invention, and Fig. 3 is a block diagram of a conventional ground fault detection device. FIG. 4, a side view showing the fault detection device, is a configuration diagram of a conventional single ground case type ground fault detection device. 1 is a grounding container, 5 is a grounding part, 6 and 6a are optical magnetic field detection elements, and 8 is a measurement part. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
に沿つて配置した光方式磁界検出素子と、前記光
方式磁界検出素子に光を供給および受光し、上記
接地容器の接地部分を通流する電流による磁界の
積算値を測定する計測部を備えたことを特徴とす
る電気機器の地絡検出装置。 An optical magnetic field detection element arranged along the periphery of a grounded part of a grounded container that houses electrical equipment, and a current that supplies and receives light to the optical magnetic field detection element and flows through the grounded part of the grounded container. A ground fault detection device for electrical equipment, characterized by comprising a measurement unit that measures an integrated value of a magnetic field.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10182787U JPS649421U (en) | 1987-07-03 | 1987-07-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10182787U JPS649421U (en) | 1987-07-03 | 1987-07-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649421U true JPS649421U (en) | 1989-01-19 |
Family
ID=31331174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10182787U Pending JPS649421U (en) | 1987-07-03 | 1987-07-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649421U (en) |
-
1987
- 1987-07-03 JP JP10182787U patent/JPS649421U/ja active Pending
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