JPS63637U - - Google Patents
Info
- Publication number
- JPS63637U JPS63637U JP9436086U JP9436086U JPS63637U JP S63637 U JPS63637 U JP S63637U JP 9436086 U JP9436086 U JP 9436086U JP 9436086 U JP9436086 U JP 9436086U JP S63637 U JPS63637 U JP S63637U
- Authority
- JP
- Japan
- Prior art keywords
- comparator
- circuit
- detection section
- overcurrent detection
- signal
- 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 4
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003079 width control Methods 0.000 description 2
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図及び第２図は本考案の一実施例を示すも
のであつて、第１図はパルス幅制御インバータ装
置の全体の構成を示す回路図、第２図は過電流保
護回路の回路中における信号の状態を示すタイム
チヤートである。
２はパルス幅制御インバータ装置、３はモータ
駆動回路、４は過電流保護回路、１８は過電流検
出抵抗、２１は過電流検出部、２３はコンパレー
タ、２５は単安定マルチバイブレータ（遮断信号
発生回路）である。
1 and 2 show one embodiment of the present invention, in which FIG. 1 is a circuit diagram showing the overall configuration of a pulse width control inverter device, and FIG. 2 is a circuit diagram showing an overcurrent protection circuit. This is a time chart showing the signal status at . 2 is a pulse width control inverter device, 3 is a motor drive circuit, 4 is an overcurrent protection circuit, 18 is an overcurrent detection resistor, 21 is an overcurrent detection section, 23 is a comparator, 25 is a monostable multivibrator (cutoff signal generation circuit) ).
Claims (1)
信号と基準信号との電圧値の比較を行うコンパレ
ータと、このコンパレータの出力信号に基づいて
、所定時間にわたり所定回路の電源供給を遮断さ
せる遮断信号発生回路とを備えたことを特徴とす
る過電流保護回路。 An overcurrent detection section, a comparator that compares the voltage value of the signal detected by the overcurrent detection section and a reference signal, and a power supply to a predetermined circuit is cut off for a predetermined period of time based on the output signal of this comparator. An overcurrent protection circuit comprising a cutoff signal generation circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9436086U JPS63637U (en) | 1986-06-20 | 1986-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9436086U JPS63637U (en) | 1986-06-20 | 1986-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63637U true JPS63637U (en) | 1988-01-06 |
Family
ID=30957737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9436086U Pending JPS63637U (en) | 1986-06-20 | 1986-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63637U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6378574B2 (en) * | 2000-03-31 | 2002-04-30 | Toyo Jidoki Co., Ltd. | Rotary type continuous filling apparatus |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56157220A (en) * | 1980-05-08 | 1981-12-04 | Nippon Denso Co | Overcurrent protecting device for load driving unit |
-
1986
- 1986-06-20 JP JP9436086U patent/JPS63637U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56157220A (en) * | 1980-05-08 | 1981-12-04 | Nippon Denso Co | Overcurrent protecting device for load driving unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6378574B2 (en) * | 2000-03-31 | 2002-04-30 | Toyo Jidoki Co., Ltd. | Rotary type continuous filling apparatus |