JPH0217930U - - Google Patents
Info
- Publication number
- JPH0217930U JPH0217930U JP9484188U JP9484188U JPH0217930U JP H0217930 U JPH0217930 U JP H0217930U JP 9484188 U JP9484188 U JP 9484188U JP 9484188 U JP9484188 U JP 9484188U JP H0217930 U JPH0217930 U JP H0217930U
- Authority
- JP
- Japan
- Prior art keywords
- input terminal
- output terminals
- load
- voltage
- current leakage
- 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
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
図面第１図乃至第４図は本考案の欠相保護装置
の一実施例を示し、第１図は本考案の欠相保護装
置を装備した分電盤の斜視図、第２図は第１図の
分電盤の上カバーを取外した状態の斜視図、第３
図は第１図の分電盤の回路ブロツク図、第４図は
第３図の回路ブロツク図の要部を具体的に示した
回路ブロツク図である。
４……漏電しや断器、６……欠相検出器、１１
……負荷端子、１２……電源端子、１３……分岐
導体、１４……電源端子、１５……負荷端子、１
６……中性線、１７，１８……活線、１９……電
路、２０……零相変流器、２１……漏電検出部、
２２……開閉機構部、２３……接点、２８……出
力端子、２９……限流抵抗、３０……開閉接点、
３１……入力端子、３２……検出部、３３……電
源端子、３４……電源部、３５……出力部。
1 to 4 show an embodiment of the open-phase protection device of the present invention, FIG. 1 is a perspective view of a distribution board equipped with the open-phase protection device of the present invention, and FIG. Perspective view with the top cover of the distribution board removed, No. 3
This figure is a circuit block diagram of the distribution board of FIG. 1, and FIG. 4 is a circuit block diagram specifically showing the main parts of the circuit block diagram of FIG. 3. 4...Earth leakage or disconnection, 6...Open phase detector, 11
...Load terminal, 12...Power terminal, 13...Branch conductor, 14...Power terminal, 15...Load terminal, 1
6... Neutral wire, 17, 18... Live wire, 19... Electric circuit, 20... Zero-phase current transformer, 21... Earth leakage detection section,
22...Switching mechanism section, 23...Contact, 28...Output terminal, 29...Current limiting resistor, 30...Switching contact,
31...Input terminal, 32...Detection section, 33...Power supply terminal, 34...Power supply section, 35...Output section.
Claims (1)
る電源と負荷とを接続する電路と、該電路中に介
在された前記電路に発生する不平衡電流を検出し
回路をしや断する漏電しや断器と、該漏電しや断
器の中性線を除く異なる活線間で而も漏電しや断
器を挟む電路に二本の出力端子を接続すると共に
漏電しや断器の負荷側の前記電路の中性線に入力
端子を接続し該入力端子の電圧を所定の電圧と比
較して該入力端子の電圧が所定電圧より大きい際
に前記出力端子間の電気的導通を開始する欠相検
出器とで構成した欠相保護装置。 Detects an unbalanced current generated in an electric line connecting a load to a power supply having a single-phase three-wire or three-phase four-wire neutral line and a load, and an electric line interposed in the electric line, and immediately breaks the circuit. Connect two output terminals between a current leakage or disconnection switch and different live wires other than the neutral line of the current leakage or disconnection switch, and connect two output terminals to the electrical circuit that sandwiches the current leakage or disconnection switch. An input terminal is connected to the neutral line of the electric circuit on the load side, the voltage of the input terminal is compared with a predetermined voltage, and when the voltage of the input terminal is higher than the predetermined voltage, electrical continuity between the output terminals is started. An open phase protection device consisting of an open phase detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9484188U JPH0217930U (en) | 1988-07-18 | 1988-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9484188U JPH0217930U (en) | 1988-07-18 | 1988-07-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0217930U true JPH0217930U (en) | 1990-02-06 |
Family
ID=31319424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9484188U Pending JPH0217930U (en) | 1988-07-18 | 1988-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0217930U (en) |
-
1988
- 1988-07-18 JP JP9484188U patent/JPH0217930U/ja active Pending
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