JPH0221575U - - Google Patents
Info
- Publication number
- JPH0221575U JPH0221575U JP9995488U JP9995488U JPH0221575U JP H0221575 U JPH0221575 U JP H0221575U JP 9995488 U JP9995488 U JP 9995488U JP 9995488 U JP9995488 U JP 9995488U JP H0221575 U JPH0221575 U JP H0221575U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- wire
- detection
- thickness
- phase
- 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
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図はこの考案に係る接続相確認装置の一実
施例を示す正面図、第２図はこの考案に係る接続
相確認装置の一実施例を示すブロツク図、第３図
はこの考案に係る接続相確認装置の一実施例の回
路図を示す。
１，２はクランプ部、３，４は静電電極、８は
第１の検出回路、１０は非反転増幅器、１１は第
２の検出回路、１３は反転増幅器、１４は合成回
路、２３は警報表示回路。
Fig. 1 is a front view showing an embodiment of the connected phase confirmation device according to this invention, Fig. 2 is a block diagram showing an embodiment of the connected phase confirmation device according to this invention, and Fig. 3 is a front view showing an embodiment of the connected phase confirmation device according to this invention. A circuit diagram of an embodiment of a connected phase confirmation device is shown. 1 and 2 are clamp parts, 3 and 4 are electrostatic electrodes, 8 is a first detection circuit, 10 is a non-inverting amplifier, 11 is a second detection circuit, 13 is an inverting amplifier, 14 is a combining circuit, and 23 is an alarm display circuit.
Claims (1)
の太さに適合する検出孔に設けた一対のクランプ
部と、この一対のクランプ部でそれぞれ検出した
活線状態にある電線の商用周波位相信号を検出す
る一対の検出回路と、この一対の検出回路で検出
した商用周波位相信号を判定する合成回路と、こ
の合成回路の合成結果に基づいて検相している双
方の電線が同一であるか否かを報知する警報表示
回路とを備えた接続相確認装置。 A pair of clamp parts has an electrostatic electrode with an area inversely proportional to the thickness of the wire installed in a detection hole that matches the thickness of the wire, and the commercial frequency phase of the live wire detected by each of the pair of clamp parts. A pair of detection circuits that detect the signal, a synthesis circuit that determines the commercial frequency phase signal detected by this pair of detection circuits, and both wires that perform phase detection based on the synthesis result of this synthesis circuit are the same. A connected phase confirmation device equipped with an alarm display circuit that notifies whether or not the connection occurs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9995488U JPH0221575U (en) | 1988-07-29 | 1988-07-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9995488U JPH0221575U (en) | 1988-07-29 | 1988-07-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0221575U true JPH0221575U (en) | 1990-02-13 |
Family
ID=31327589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9995488U Pending JPH0221575U (en) | 1988-07-29 | 1988-07-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0221575U (en) |
-
1988
- 1988-07-29 JP JP9995488U patent/JPH0221575U/ja active Pending
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