JPS61169486U - - Google Patents
Info
- Publication number
- JPS61169486U JPS61169486U JP5149885U JP5149885U JPS61169486U JP S61169486 U JPS61169486 U JP S61169486U JP 5149885 U JP5149885 U JP 5149885U JP 5149885 U JP5149885 U JP 5149885U JP S61169486 U JPS61169486 U JP S61169486U
- Authority
- JP
- Japan
- Prior art keywords
- inrush current
- smoothing capacitor
- power supply
- parallel
- 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
- 238000009499 grossing Methods 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Protection Of Static Devices (AREA)
- Rectifiers (AREA)
- Power Conversion In General (AREA)
Description
第１図はこの考案の一実施例を示す回路図、第
２図はこの考案の他の実施例を示す回路図、第３
図は従来例を示す回路図である。
１……交流電源、２……ダイオードブリツジ、
３……平滑用コンデンサ、４……負荷、５……突
入電流防止用抵抗、６……ダイオード。
Figure 1 is a circuit diagram showing one embodiment of this invention, Figure 2 is a circuit diagram showing another embodiment of this invention, and Figure 3 is a circuit diagram showing another embodiment of this invention.
The figure is a circuit diagram showing a conventional example. 1...AC power supply, 2...Diode bridge,
3... Smoothing capacitor, 4... Load, 5... Resistor for inrush current prevention, 6... Diode.
Claims (1)
流回路出力に平滑用コンデンサ３を並列接続して
成る電源回路において、平滑用コンデンサ３に突
入電流防止用抵抗５を直列に接続し、その突入電
流防止用抵抗５に並列にダイオード６を平滑用コ
ンデンサ３の電荷を放電する向きに接続したこと
を特徴とする突入電流防止装置。 In a power supply circuit in which a commercial power supply 1 is input to a rectifier circuit 2 and a smoothing capacitor 3 is connected in parallel to the output of the rectifier circuit, an inrush current prevention resistor 5 is connected in series to the smoothing capacitor 3 to prevent the inrush current. An inrush current prevention device characterized in that a diode 6 is connected in parallel to a smoothing resistor 5 in a direction to discharge the electric charge of a smoothing capacitor 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5149885U JPS61169486U (en) | 1985-04-06 | 1985-04-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5149885U JPS61169486U (en) | 1985-04-06 | 1985-04-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61169486U true JPS61169486U (en) | 1986-10-21 |
Family
ID=30570602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5149885U Pending JPS61169486U (en) | 1985-04-06 | 1985-04-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61169486U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016185014A (en) * | 2015-03-26 | 2016-10-20 | ミネベア株式会社 | Protection circuit for electronic apparatus, and electronic apparatus system comprising the same |
-
1985
- 1985-04-06 JP JP5149885U patent/JPS61169486U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016185014A (en) * | 2015-03-26 | 2016-10-20 | ミネベア株式会社 | Protection circuit for electronic apparatus, and electronic apparatus system comprising the same |
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