JPH0374143U - - Google Patents
Info
- Publication number
- JPH0374143U JPH0374143U JP13497089U JP13497089U JPH0374143U JP H0374143 U JPH0374143 U JP H0374143U JP 13497089 U JP13497089 U JP 13497089U JP 13497089 U JP13497089 U JP 13497089U JP H0374143 U JPH0374143 U JP H0374143U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- circuit
- power supply
- resistors
- limiting resistor
- 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 2
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図から第３図はこの考案に係る交流電源装
置の一実施例を示し、第１図はブロツク図、第２
図は第１図の実施例において限流抵抗器群に２つ
の抵抗器を用いた場合の回路図、第３図は第２図
の作用図、第４図は第６図の作用図、第５図は直
流電源の場合の従来例、第６図は交流電源の場合
の従来例である。
１……交流電源装置、２……遮断機接点、３…
…出力端子、４……電圧検出制御回路、６……入
力端子、Ｒ１〜Ｒｎ……抵抗器、Ｒ……限流抵抗
器群、ＲＬ……負荷、Ａ……過電流保護装置、ｂ
……接続点。
Figures 1 to 3 show an embodiment of the AC power supply device according to this invention, with Figure 1 being a block diagram and Figure 2 being a block diagram.
The figure shows a circuit diagram when two resistors are used in the current limiting resistor group in the embodiment shown in Fig. 1, Fig. 3 shows the action diagram in Fig. 2, Fig. 4 shows the action diagram in Fig. 6, and Fig. 4 shows the action diagram in Fig. 6. FIG. 5 shows a conventional example using a DC power source, and FIG. 6 shows a conventional example using an AC power source. 1... AC power supply device, 2... Circuit breaker contact, 3...
...Output terminal, 4...Voltage detection control circuit, 6...Input terminal, R1 to Rn ...Resistor, R...Current limiting resistor group, RL...Load, A...Overcurrent protection device, b
...connection point.
Claims (1)
に、遮断器接点を並列に接続し、この回路の一方
の端子を入力端子として交流電源装置に接続し、
他方を出力端子として負荷に接続すると共に、前
記限流抵抗器群の抵抗器相互のいずれかの接続点
に電圧検出制御回路を接続し、前記接続点の検出
電圧によつて、遮断器接点をＯＮ／ＯＦＦするこ
とを特徴とする交流電源装置の過電流保護回路。 A circuit breaker contact is connected in parallel to a current-limiting resistor group in which the required number of resistors are connected in series, and one terminal of this circuit is connected to an AC power supply as an input terminal.
The other terminal is connected to the load as an output terminal, and a voltage detection control circuit is connected to one of the connection points between the resistors of the current limiting resistor group, and the circuit breaker contact is activated by the detected voltage at the connection point. An overcurrent protection circuit for an AC power supply device characterized by ON/OFF operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13497089U JPH0374143U (en) | 1989-11-20 | 1989-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13497089U JPH0374143U (en) | 1989-11-20 | 1989-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0374143U true JPH0374143U (en) | 1991-07-25 |
Family
ID=31682264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13497089U Pending JPH0374143U (en) | 1989-11-20 | 1989-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0374143U (en) |
-
1989
- 1989-11-20 JP JP13497089U patent/JPH0374143U/ja active Pending
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