JPS6437339U - - Google Patents
Info
- Publication number
- JPS6437339U JPS6437339U JP13278787U JP13278787U JPS6437339U JP S6437339 U JPS6437339 U JP S6437339U JP 13278787 U JP13278787 U JP 13278787U JP 13278787 U JP13278787 U JP 13278787U JP S6437339 U JPS6437339 U JP S6437339U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- resistor
- inrush current
- power supply
- series
- 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
- 239000003990 capacitor Substances 0.000 claims description 4
- 238000009499 grossing Methods 0.000 claims description 3
- 230000001629 suppression Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Emergency Protection Circuit Devices (AREA)
Description
第１図は本考案の実施例を示す図。第２図は本
考案と従来の装置の動作特性を示す図。第３図は
従来の技術を示す図。
図中、１は電源、２はトランス、３は負荷、４
は駆動回路、５はトランジスタ、６はメインスイ
ツチ、７は入力平滑コンデンサ、８１はリレー、
８２，８ａ，８ｂはリレー接点、９はコンデンサ
、１０，１１は抵抗、１２は電流検出回路、１３
はリモートスイツチ、１４はリモートスイツチを
示す。
FIG. 1 is a diagram showing an embodiment of the present invention. FIG. 2 is a diagram showing the operating characteristics of the present invention and a conventional device. FIG. 3 is a diagram showing a conventional technique. In the figure, 1 is a power supply, 2 is a transformer, 3 is a load, 4
is a drive circuit, 5 is a transistor, 6 is a main switch, 7 is an input smoothing capacitor, 8 1 is a relay,
8 2 , 8a, 8b are relay contacts, 9 is a capacitor, 10, 11 are resistors, 12 is a current detection circuit, 13
indicates a remote switch, and 14 indicates a remote switch.
Claims (1)
て並列に接続された入力平滑コンデンサ７と、 該入力平滑コンデンサ７に直列に接続された抵
抗１１と、 該抵抗１１をバイパスする様うに接続されたリ
レー接点８ｂと、 該電源１に対して並列にリレー接点８ａとリレ
ー８の直列に接続された回路と、 該電源１と該リレー８間にで、該リレー接点８
ａをバイパスするように接続したリモートスイツ
チ１３を設け、 該リレー接点８ａ，８ｂは該リレー８に電流が
流れると接点が閉じ、 電源投入時に発生する突入電流に破壊されるこ
とを防止するために設けた抵抗１１を突入電流が
修まつた後バイパスすることを特徴とする突入電
流抑制回路。[Claims for Utility Model Registration] An input smoothing capacitor 7 connected in parallel to the power supply 1 on the primary side of the DC/DC converter, a resistor 11 connected in series to the input smoothing capacitor 7, and the resistor 11 a circuit in which the relay contact 8a and the relay 8 are connected in series in parallel to the power supply 1; 8
A remote switch 13 is provided, which is connected to bypass the relay 8, and the relay contacts 8a and 8b close when current flows through the relay 8, to prevent damage from the inrush current that occurs when the power is turned on. An inrush current suppression circuit characterized in that the provided resistor 11 is bypassed after the inrush current has subsided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13278787U JPS6437339U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13278787U JPS6437339U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437339U true JPS6437339U (en) | 1989-03-07 |
Family
ID=31390071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13278787U Pending JPS6437339U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437339U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6024195B2 (en) * | 1980-05-28 | 1985-06-11 | マツダ株式会社 | Cationic electrodeposition coating method |
-
1987
- 1987-08-31 JP JP13278787U patent/JPS6437339U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6024195B2 (en) * | 1980-05-28 | 1985-06-11 | マツダ株式会社 | Cationic electrodeposition coating method |