JPS6199220U - - Google Patents
Info
- Publication number
- JPS6199220U JPS6199220U JP18203884U JP18203884U JPS6199220U JP S6199220 U JPS6199220 U JP S6199220U JP 18203884 U JP18203884 U JP 18203884U JP 18203884 U JP18203884 U JP 18203884U JP S6199220 U JPS6199220 U JP S6199220U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- comparator
- signal
- voltage comparator
- circuit
- 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
- 230000000087 stabilizing effect Effects 0.000 claims 3
- 239000003990 capacitor Substances 0.000 claims 1
- 238000009499 grossing Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Continuous-Control Power Sources That Use Transistors (AREA)
- Measurement Of Current Or Voltage (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は本考案に係る回路の一例を示す構成ブ
ロツク図、第２図はその具体的接続図、第３図は
動作線図、第４図は電源装置の一例を示す構成ブ
ロツク図、第５図は従来回路の構成ブロツク図で
ある。
Ｖｃ…入力電圧、２１…安定化回路、２１…第
１の電圧比較器、２３…信号処理回路、３…第２
の電圧比較器、４…ゲート回路。
FIG. 1 is a configuration block diagram showing an example of a circuit according to the present invention, FIG. 2 is a specific connection diagram thereof, FIG. 3 is an operation diagram, and FIG. 4 is a configuration block diagram showing an example of a power supply device. FIG. 5 is a block diagram of a conventional circuit. Vc...input voltage, 21...stabilization circuit, 21...first voltage comparator, 23...signal processing circuit, 3...second
voltage comparator, 4...gate circuit.
Claims (1)
する安定化回路と、前記端子電圧を関連した信号
と第１の基準電圧Ｖｒとを比較する前記安定化回
路から電源が供給されて動作する第１の電圧比較
器と、前記端子電圧を関連した信号と第２の基準
電圧Ｖｒ２とを比較し前記第１の電圧比較器が検
出する所定電圧Ｖｃ１より高い電圧Ｖｃ２を検出
する前記第１の電圧比較器より消費電力の小さい
第２の電圧比較器と、前記第１の電圧比較器から
の信号及び前記第２の電圧比較器からの信号の論
理和を出力する回路とを備え、前記第２の電圧比
較器からの信号によつて前記第１の電圧比較器へ
の電源供給を制御するようにしたことを特徴とす
る電圧監視回路。 a stabilizing circuit that inputs the terminal voltage of a smoothing capacitor in the power supply device; and a first stabilizing circuit that operates by being supplied with power from the stabilizing circuit that compares a signal related to the terminal voltage with a first reference voltage Vr. a voltage comparator; and the first voltage comparator that compares a signal related to the terminal voltage with a second reference voltage Vr2 and detects a voltage Vc2 higher than a predetermined voltage Vc1 detected by the first voltage comparator. a second voltage comparator with lower power consumption; and a circuit that outputs a logical sum of the signal from the first voltage comparator and the signal from the second voltage comparator, A voltage monitoring circuit characterized in that power supply to the first voltage comparator is controlled by a signal from a comparator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18203884U JPS6199220U (en) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18203884U JPS6199220U (en) | 1984-11-30 | 1984-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6199220U true JPS6199220U (en) | 1986-06-25 |
Family
ID=30739574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18203884U Pending JPS6199220U (en) | 1984-11-30 | 1984-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6199220U (en) |
-
1984
- 1984-11-30 JP JP18203884U patent/JPS6199220U/ja active Pending
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