JP4117479B2 - 燃焼器の点火装置 - Google Patents
燃焼器の点火装置 Download PDFInfo
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- JP4117479B2 JP4117479B2 JP2003306641A JP2003306641A JP4117479B2 JP 4117479 B2 JP4117479 B2 JP 4117479B2 JP 2003306641 A JP2003306641 A JP 2003306641A JP 2003306641 A JP2003306641 A JP 2003306641A JP 4117479 B2 JP4117479 B2 JP 4117479B2
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- Prior art keywords
- signal
- power supply
- zero
- trigger
- timer
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Description
3 点火装置
4 ダイオード(整流素子)
6 コンデンサ
7 抵抗器
8 抵抗器
9 サイリスタ(スイッチ素子)
10 昇圧トランス
11 トリガー回路
12 ゼロクロス検出回路
14 マイクロコンピュータ
15 分周手段
16 第1のタイマ手段
17 第2のタイマ手段
18 トリガ信号(トリガ信号制御手段)
Claims (2)
- 交流電源の半サイクル期間に充電されたコンデンサの電荷をサイリスタ等のスイッチ素子で放電させることにより、放電電流を昇圧トランスの1次巻線に流して前記昇圧トランスの二次巻線側に高電圧を得る点火回路と、交流電源の逆側の半サイクルを整流して前記コンデンサの充電電圧に加算して分圧した電圧により前記点火装置のスイッチ素子を動作させるトリガー回路と、前記スイッチ素子へのトリガー信号をゼロクロス電源に同期させるための信号を出力するゼロクロス検出回路と、少なくとも前記ゼロクロス信号を受けて前記トリガー回路に動作タイミングを指示するマイクロコンピュータを備えた燃焼器の点火装置であって、該マイクロコンピュータは前記ゼロクロス信号をn分周する分周手段と、前記分周信号に同期して起動する第1のタイマ手段と、この第1のタイマがタイムアップすると起動する第2のタイマ手段と、前記点火回路動作時は第2のタイマ手段がカウント動作中のみ前記トリガー回路を動作させるトリガー信号とを有し、前記第1のタイマは交流電源の位相角の概π/2相当時間とし、前記第2のタイマは交流電源の位相角の概π相当時間とした燃焼器の点火装置。
- 分周手段はゼロクロス信号を6から10分周する請求項1記載の燃焼器の点火装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003306641A JP4117479B2 (ja) | 2003-08-29 | 2003-08-29 | 燃焼器の点火装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003306641A JP4117479B2 (ja) | 2003-08-29 | 2003-08-29 | 燃焼器の点火装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005076946A JP2005076946A (ja) | 2005-03-24 |
JP4117479B2 true JP4117479B2 (ja) | 2008-07-16 |
Family
ID=34409671
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2003306641A Expired - Fee Related JP4117479B2 (ja) | 2003-08-29 | 2003-08-29 | 燃焼器の点火装置 |
Country Status (1)
Country | Link |
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JP (1) | JP4117479B2 (ja) |
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2003
- 2003-08-29 JP JP2003306641A patent/JP4117479B2/ja not_active Expired - Fee Related
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Publication number | Publication date |
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JP2005076946A (ja) | 2005-03-24 |
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