JPH01180781U - - Google Patents
Info
- Publication number
- JPH01180781U JPH01180781U JP7503588U JP7503588U JPH01180781U JP H01180781 U JPH01180781 U JP H01180781U JP 7503588 U JP7503588 U JP 7503588U JP 7503588 U JP7503588 U JP 7503588U JP H01180781 U JPH01180781 U JP H01180781U
- Authority
- JP
- Japan
- Prior art keywords
- coil
- detected
- accident
- detection
- difference
- 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 4
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図はこの考案の実施例を示す断面図、第２
図は第１図において事故が発生したときの磁束分
布を示す断面図、第３図、第４図は補償回路の例
を示す回路図、第５図はこの考案の他の実施例を
示す断面図、第６図は第５図において事故が発生
したときの磁束分布を示す断面図である。
１，５１，５２……検出対象のコイル、２１，
２２……検出コイル、２３……増幅器。
Figure 1 is a sectional view showing an embodiment of this invention, Figure 2 is a sectional view showing an embodiment of this invention.
The figure is a cross-sectional view showing the magnetic flux distribution when an accident occurs in Figure 1, Figures 3 and 4 are circuit diagrams showing an example of a compensation circuit, and Figure 5 is a cross-sectional view showing another embodiment of this invention. 6 is a sectional view showing the magnetic flux distribution when an accident occurs in FIG. 5. 1, 51, 52... Coil to be detected, 21,
22...detection coil, 23...amplifier.
Claims (1)
中心線に沿つて対称に対をなす検出用のコイルを
配置するとともに、前記両検出用のコイルに誘起
される電圧の差の検出手段を設けてなり、前記電
圧の差から前記事故検出対象のコイルの事故発生
を検出してなるコイルの故障検出装置。 A pair of detection coils are disposed symmetrically along the center line of the coil inside the coil to be detected, and means for detecting a difference in voltage induced in both the detection coils is provided. A coil failure detection device that detects the occurrence of an accident in the coil to be detected as an accident detection object based on the voltage difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7503588U JPH01180781U (en) | 1988-06-06 | 1988-06-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7503588U JPH01180781U (en) | 1988-06-06 | 1988-06-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01180781U true JPH01180781U (en) | 1989-12-26 |
Family
ID=31300116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7503588U Pending JPH01180781U (en) | 1988-06-06 | 1988-06-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01180781U (en) |
-
1988
- 1988-06-06 JP JP7503588U patent/JPH01180781U/ja active Pending
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