JPS5965454U - Magnetic contactor excitation circuit - Google Patents
Magnetic contactor excitation circuitInfo
- Publication number
- JPS5965454U JPS5965454U JP16123082U JP16123082U JPS5965454U JP S5965454 U JPS5965454 U JP S5965454U JP 16123082 U JP16123082 U JP 16123082U JP 16123082 U JP16123082 U JP 16123082U JP S5965454 U JPS5965454 U JP S5965454U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- excitation circuit
- magnetic contactor
- transistor
- electromagnetic contactor
- 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
Landscapes
- Relay Circuits (AREA)
- Dc-Dc Converters (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の一般的な電磁接触器の励磁回路を示す接
続図、第２図は異なる電圧の電源に共用する場合の接続
図、第３図は本考案に係る電磁接触器の励磁回路の一実
施例を示すブロック回路図、第４図は具体的回路構成を
示す回路図である。
Ｘｃ・・・電磁接触器のコイル、Ｑ・・・スイッチング
トランジスタ、ＳＷ・・・投入スイッチ、１・・・トラ
ンジスタ駆動回路、２・・・スイッチング回路、３・・
・コイル電圧検出回路、４・・・初期投入駆動回路、５
・・・発振回路。Fig. 1 is a connection diagram showing the excitation circuit of a conventional general electromagnetic contactor, Fig. 2 is a connection diagram when it is shared with power supplies of different voltages, and Fig. 3 is an excitation circuit of the electromagnetic contactor according to the present invention. FIG. 4 is a block circuit diagram showing one embodiment of the present invention, and FIG. 4 is a circuit diagram showing a specific circuit configuration. Xc... Coil of electromagnetic contactor, Q... Switching transistor, SW... Closing switch, 1... Transistor drive circuit, 2... Switching circuit, 3...
・Coil voltage detection circuit, 4...Initial closing drive circuit, 5
...Oscillation circuit.
Claims (1)
て駆動電源に接続するとともに、前記コ。 イルの印加電圧が投入初期時には駆動電源の全電圧、一
定時間後には低電圧の一定電圧となるように前記トラン
ジスタのオン・オフを制御する回路を設けたことを特徴
とする電磁接触器の励磁回路。[Claims for Utility Model Registration] A coil of an electromagnetic contactor is connected to a drive power source via a switching transistor, and the above-mentioned. Excitation of an electromagnetic contactor, characterized in that a circuit is provided for controlling on/off of the transistor so that the voltage applied to the transistor becomes the full voltage of the drive power supply at the initial stage of turning on, and becomes a constant low voltage after a certain period of time. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16123082U JPS5965454U (en) | 1982-10-25 | 1982-10-25 | Magnetic contactor excitation circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16123082U JPS5965454U (en) | 1982-10-25 | 1982-10-25 | Magnetic contactor excitation circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5965454U true JPS5965454U (en) | 1984-05-01 |
Family
ID=30354396
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16123082U Pending JPS5965454U (en) | 1982-10-25 | 1982-10-25 | Magnetic contactor excitation circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5965454U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637440B2 (en) * | 1975-04-25 | 1981-08-31 |
-
1982
- 1982-10-25 JP JP16123082U patent/JPS5965454U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5637440B2 (en) * | 1975-04-25 | 1981-08-31 |
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