JPS6274450U - - Google Patents
Info
- Publication number
- JPS6274450U JPS6274450U JP16393785U JP16393785U JPS6274450U JP S6274450 U JPS6274450 U JP S6274450U JP 16393785 U JP16393785 U JP 16393785U JP 16393785 U JP16393785 U JP 16393785U JP S6274450 U JPS6274450 U JP S6274450U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- circuit
- rectifier
- voltage
- current transformer
- 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 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
図は、本考案の一実施例を示す図で、ＬＰ：電
力回線、ＣＴ：変流器、ＲＥＣ：整流器、Ｒ：電
流制限抵抗、Ｄ１：逆流阻止用ダイオード、Ｃ１
及びＣ２：容量分圧回路形成用コンデンサ、Ｚ：
ツＩナダイオード、ＲＹ：継電器、Ｄ２：逆起電
力による電流吸収用ダイオード、Ｃ０Ｃ：継電器
回路開閉制御回路、Ｓ：継電器接点、Ｔ０：出力
端子である。
The figure shows an embodiment of the present invention, where LP: power line, CT: current transformer, REC: rectifier, R: current limiting resistor, D 1 : reverse current blocking diode, C 1
and C 2 : capacitor for forming a capacitive voltage divider circuit, Z:
Tina diode, RY: relay, D 2 : current absorption diode due to back electromotive force, C 0 C: relay circuit opening/closing control circuit, S: relay contact, T 0 : output terminal.
補正 昭６１．２．１７
図面の簡単な説明を次のように補正する。
明細書第６頁第６行に、「図は、本考案の一実
施例を示す図で、」とあるを、「第１図は、本考
案の一実施例を示す図で、」と訂正する。Amendment February 17, 1981 The brief description of the drawing is amended as follows. On page 6, line 6 of the specification, the phrase "The figure shows an embodiment of the present invention" has been corrected to "Figure 1 shows an embodiment of the present invention." do.
Claims (1)
の出力の加えられる整流器と、この整流器の出力
電圧の加えられる容量分圧回路と、この容量分圧
回路の分電圧の加えられる継電器と、前記整流器
の出力電圧を基準電圧と比較し、その比較結果に
応じて前記継電器回路の開閉を制御する継電器回
路開閉制御回路と、前記継電器の作動に応じて過
電流検出信号を送出する継電器接点回路とより成
ることを特徴とする過電流保護装置。 A current transformer coupled to a power line, a rectifier to which the output of the current transformer is applied, a capacitive voltage divider circuit to which the output voltage of the rectifier is applied, and a relay to which the divided voltage of the capacitive voltage divider circuit is applied. , a relay circuit opening/closing control circuit that compares the output voltage of the rectifier with a reference voltage and controls opening and closing of the relay circuit according to the comparison result; and a relay contact that transmits an overcurrent detection signal according to the operation of the relay. An overcurrent protection device characterized by comprising a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16393785U JPS6274450U (en) | 1985-10-25 | 1985-10-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16393785U JPS6274450U (en) | 1985-10-25 | 1985-10-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6274450U true JPS6274450U (en) | 1987-05-13 |
Family
ID=31092597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16393785U Pending JPS6274450U (en) | 1985-10-25 | 1985-10-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6274450U (en) |
-
1985
- 1985-10-25 JP JP16393785U patent/JPS6274450U/ja active Pending