JP4086239B2 - 無接点リレーの駆動回路 - Google Patents
無接点リレーの駆動回路 Download PDFInfo
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- JP4086239B2 JP4086239B2 JP2003330790A JP2003330790A JP4086239B2 JP 4086239 B2 JP4086239 B2 JP 4086239B2 JP 2003330790 A JP2003330790 A JP 2003330790A JP 2003330790 A JP2003330790 A JP 2003330790A JP 4086239 B2 JP4086239 B2 JP 4086239B2
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- 239000003990 capacitor Substances 0.000 description 7
- 230000005669 field effect Effects 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
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Description
20 バイパス電流回路
30 バイパス電流制御回路
PC1 フォトダイオード
R1〜R11 抵抗
FET1 電界効果型トランジスタ
ZD1、ZD2 ツェナーダイオード
C1 コンデンサ
Q1、Q2 トランジスタ
Claims (4)
- 入出力間が絶縁されて、正電位側ラインと負電位側ラインとの間に設けられた1つの無接点リレーを、複数の入力電圧によって駆動する駆動回路であって、
該正電位側ラインに印加される入力電圧を定電流に変換して前記無接点リレーに供給する定電流回路と、
該正電位側ラインから該定電流回路へ供給される電流の一部を、バイパス電流として負電位側ラインへ供給するバイパス電流回路と、
該正電位側ラインに電圧が印加されると、該バイパス電流回路を動作させるバイパス電流制御回路と、
を具備する無接点リレーの駆動回路。 - 前記複数の入力電圧は、最大入力電圧が最低入力電圧の5倍以上になっている請求項1記載の無接点リレーの駆動回路。
- 前記定電流回路の出力電流が2mA以下になっている請求項2記載の無接点リレーの駆動回路。
- 前記バイパス電流制御回路は、前記入力電圧が定電流回路に印加された後に、設定された任意の時間幅でバイパス電流回路の動作を可能とする請求項1記載の無接点リレーの駆動回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003330790A JP4086239B2 (ja) | 2003-09-22 | 2003-09-22 | 無接点リレーの駆動回路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003330790A JP4086239B2 (ja) | 2003-09-22 | 2003-09-22 | 無接点リレーの駆動回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005101781A JP2005101781A (ja) | 2005-04-14 |
JP4086239B2 true JP4086239B2 (ja) | 2008-05-14 |
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ID=34459625
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003330790A Expired - Lifetime JP4086239B2 (ja) | 2003-09-22 | 2003-09-22 | 無接点リレーの駆動回路 |
Country Status (1)
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JP (1) | JP4086239B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5502439B2 (ja) | 2009-11-30 | 2014-05-28 | 株式会社東芝 | 保護継電器 |
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2003
- 2003-09-22 JP JP2003330790A patent/JP4086239B2/ja not_active Expired - Lifetime
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JP2005101781A (ja) | 2005-04-14 |
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