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CPU 285K ÀúÇװɸ°¡¦
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2015-08
2015-08-13 11:33:12
Á¶È¸ 3883 Ãßõ 0
전압이 살아있는지 검출하는 전압검출기라고 있지만,
제가 궁금해하는 것은
활선이면 DC 5V로 또 다른 기기로 입력되도록 하는
부품이 필요합니다.
이것을 AC Voltage Sensor라고 찾아야하는지
Transducer라고 해야하는지 궁금하고요,
주로 어떻게 활용하는지 궁금합니다.
ªÀº±Û Àϼö·Ï ½ÅÁßÇÏ°Ô.
²ÃÅëȲÁø¿ì
2015-08
Áú¹®ÀÇ ¿äÁö°¡...
±×³É °á¼± ÇØÁÖ¸é ¾ÈµÇ³ª¿ä??..
µÎ°³ÀÌ»óÀÇ ÀåºñÁß¿¡ ¼±ÅÃÀûÀÎ È°¼±ÀÇ À̵¿À» Çϴ°ÍÀÌ ¾Æ´Ï¶ó¸é ±×³É °á¼±À¸·Î ÇÏ¸é µÉµí ÇÕ´Ï´Ù¸¸..
¾î¶² ¿ëµµ·Î »ç¿ëÇϽǷÁ°í ÇϽôÂÁö ³»¿ëµµ Àû¾îÁֽøé Á»´õ ¸¹Àº ´äÀÌ ³ª¿Ãµí ÇÕ´Ï´Ù.
º¸ÅëÀº ¸±·¹À̸¦ ¸¹ÀÌ »ç¿ë ÇÕ´Ï´Ù..
Áú¹®ÀÇ ¿äÁö°¡... ±×³É °á¼± ÇØÁÖ¸é ¾ÈµÇ³ª¿ä??.. µÎ°³ÀÌ»óÀÇ ÀåºñÁß¿¡ ¼±ÅÃÀûÀÎ È°¼±ÀÇ À̵¿À» Çϴ°ÍÀÌ ¾Æ´Ï¶ó¸é ±×³É °á¼±À¸·Î ÇÏ¸é µÉµí ÇÕ´Ï´Ù¸¸.. ¾î¶² ¿ëµµ·Î »ç¿ëÇϽǷÁ°í ÇϽôÂÁö ³»¿ëµµ Àû¾îÁֽøé Á»´õ ¸¹Àº ´äÀÌ ³ª¿Ãµí ÇÕ´Ï´Ù. º¸ÅëÀº ¸±·¹À̸¦ ¸¹ÀÌ »ç¿ë ÇÕ´Ï´Ù..
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2015-08
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¸±·¹ÀÌ¿Í ¶óÁ¸®ÆÄÀ̸¦ È¥ÇÕÇؼ Á¶ÀÛÇÒ ¼ö Àִ ȯ°æÀ» ¸¸µé·Á°í ÇÕ´Ï´Ù.
¸ð´ÏÅÍÇϴ ȸéÀº ¶óÁ¸®ÆÄÀÌ·Î ¸¸µé·Á°í ÇÕ´Ï´Ù.
¿¹·Î, ¸±·¹À̸¦ ÅëÇؼ ¼öµ¿À¸·Î onÀ» ½ÃŲ°æ¿ì
¶Ç´Â ÀÏÁ¤ ½Ã°£ÀÌ Áö³ª°í ÇöÀç »óÅÂ(on/off¿©ºÎ)¸¦ ÆľÇÇÏ°í ½ÍÀº°æ¿ì
¶óÁ¸®ÆÄÀÌ¿¡¼ ÀÎÁöÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ
¼¾¼¸¦ ÅëÇؼ È°¼±¿©ºÎ¸¦ °ËÃâÇÏ¸é ¾î¶³±î »ý°¢Çß½À´Ï´Ù.
±×·¡¼, AC 220V È°¼±¿©ºÎ¸¦ °ËÃâÇؼ DC 5V·Î ½ÅÈ£·Î Àü´ÞÇØÁÖ´Â ºÎÇ°ÀÌ ÀÖ´ÂÁö ±Ã±ÝÇß½À´Ï´Ù.
¸±·¹À̸¦ ½áµµ µÉ µí Çѵ¥, Àü·Â¼Òºñµµ Àû°Ôµé°í °¡¿ë¼ºµµ ÁÁÀº ¼¾¼ÇüÅ°¡ ÀÖ´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
¼³¸íÀÌ ºÎÁ·Çß½À´Ï´Ù. ¸±·¹ÀÌ¿Í ¶óÁ¸®ÆÄÀ̸¦ È¥ÇÕÇؼ Á¶ÀÛÇÒ ¼ö Àִ ȯ°æÀ» ¸¸µé·Á°í ÇÕ´Ï´Ù. ¸ð´ÏÅÍÇϴ ȸéÀº ¶óÁ¸®ÆÄÀÌ·Î ¸¸µé·Á°í ÇÕ´Ï´Ù. ¿¹·Î, ¸±·¹À̸¦ ÅëÇؼ ¼öµ¿À¸·Î onÀ» ½ÃŲ°æ¿ì ¶Ç´Â ÀÏÁ¤ ½Ã°£ÀÌ Áö³ª°í ÇöÀç »óÅÂ(on/off¿©ºÎ)¸¦ ÆľÇÇÏ°í ½ÍÀº°æ¿ì ¶óÁ¸®ÆÄÀÌ¿¡¼ ÀÎÁöÇÒ ¼ö ÀÖ´Â ¹æ¹ýÀÌ ¼¾¼¸¦ ÅëÇؼ È°¼±¿©ºÎ¸¦ °ËÃâÇÏ¸é ¾î¶³±î »ý°¢Çß½À´Ï´Ù. ±×·¡¼, AC 220V È°¼±¿©ºÎ¸¦ °ËÃâÇؼ DC 5V·Î ½ÅÈ£·Î Àü´ÞÇØÁÖ´Â ºÎÇ°ÀÌ ÀÖ´ÂÁö ±Ã±ÝÇß½À´Ï´Ù. ¸±·¹À̸¦ ½áµµ µÉ µí Çѵ¥, Àü·Â¼Òºñµµ Àû°Ôµé°í °¡¿ë¼ºµµ ÁÁÀº ¼¾¼ÇüÅ°¡ ÀÖ´ÂÁö ±Ã±ÝÇÕ´Ï´Ù.
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2015-08
Á¤¼®Àº AC current sensor¸¦ ADC·Î ¹Þ´Â °Í °°°í, (ÀÌ °æ¿ì¿£ commercial shieldµµ ¸¹À¸´Ï±î¿ä)
Á¦ °æ¿ì È°¼± ±Ùó¿¡¼ ²ø¾î¿Â Àü¼±À» tr °ÅÃļ photo-coupler¿¡ ³Ö¾îÁÖ¾ú½À´Ï´Ù. ¹°·Ð photo-coupler ÂÊ¿¡
5V pull-upÀ» °É¾îÁÖ¾ú½À´Ï´Ù.
Relay¸¦ »ç¿ëÇϽŴٸé relayÀÇ ³²´Â pin¿¡ 5V pull-upÀ» °É¾îÁּŵµ °£´ÜÇÒ °Í °°½À´Ï´Ù.
Noise°¡ ¸¹°Å³ª, ȸ·Î¸¦ ¿ÏÀüÈ÷ ºÐ¸®ÇÏ°í ½ÍÀ¸½Ã°Å³ª,
»óÀ§ Â÷´Ü±â°¡ ³»·ÁÁø °æ¿ì µîÀ» ÆľÇÇϽ÷Á¸é È°¼±Æľǵµ ±¦ÂúÀº ¹æ¹ýÀ̱º¿ä.
Á¤¼®Àº AC current sensor¸¦ ADC·Î ¹Þ´Â °Í °°°í, (ÀÌ °æ¿ì¿£ commercial shieldµµ ¸¹À¸´Ï±î¿ä) Á¦ °æ¿ì È°¼± ±Ùó¿¡¼ ²ø¾î¿Â Àü¼±À» tr °ÅÃļ photo-coupler¿¡ ³Ö¾îÁÖ¾ú½À´Ï´Ù. ¹°·Ð photo-coupler ÂÊ¿¡ 5V pull-upÀ» °É¾îÁÖ¾ú½À´Ï´Ù. Relay¸¦ »ç¿ëÇϽŴٸé relayÀÇ ³²´Â pin¿¡ 5V pull-upÀ» °É¾îÁּŵµ °£´ÜÇÒ °Í °°½À´Ï´Ù. Noise°¡ ¸¹°Å³ª, ȸ·Î¸¦ ¿ÏÀüÈ÷ ºÐ¸®ÇÏ°í ½ÍÀ¸½Ã°Å³ª, »óÀ§ Â÷´Ü±â°¡ ³»·ÁÁø °æ¿ì µîÀ» ÆľÇÇϽ÷Á¸é È°¼±Æľǵµ ±¦ÂúÀº ¹æ¹ýÀ̱º¿ä.
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2015-08
È°¼±À̸é DC 5V·Î ¶Ç ´Ù¸¥ ±â±â·Î ÀԷµǵµ·Ï ÇÏ´Â
¼¾¼´Â Àß ¸ð¸£°ÚÁö¸¸ ±×³É »ó¿ë ¾Æ´äÅÍ »ç¿ëÇÏ½Ã¸é µÉ°Å°°Àºµ¥¿ä..
È°¼±À̸é DC 5V·Î ¶Ç ´Ù¸¥ ±â±â·Î ÀԷµǵµ·Ï ÇÏ´Â ¼¾¼´Â Àß ¸ð¸£°ÚÁö¸¸ ±×³É »ó¿ë ¾Æ´äÅÍ »ç¿ëÇÏ½Ã¸é µÉ°Å°°Àºµ¥¿ä..
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À§ ´äº¯ÁֽŠºÐµé²² Áø½ÉÀ¸·Î °¨»çµå¸³´Ï´Ù.
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ÀÌ¹Ì ÁÁÀº ¹æ¹ýÀ¸·Î ÇØ°áÇϼ̰ÚÁö¸¸, ±â·ÏÀ» À§ÇØ Á¦°¡ ÂüÁ¶ÇÑ ¸µÅ©¸¦ ³²°Üº¾´Ï´Ù.
http://makezine.com/projects/non-contact-voltage-detector/
Á¦ °æ¿ì Ç¥½Ã¿ë LED¸¦ photo coupler·Î ¹Ù²Ù°í raspberry piÀÇ gpio¿¡ pull-upÀ¸·Î ¿¬°áÇØ ÁÖ¾ú½À´Ï´Ù.
»ç½Ç ¸µÅ©ÀÇ ½ÃÁ¤¼ö¸¦ ±×´ë·Î »ç¿ëÇÒ °æ¿ì ³Ê¹« ¹Î°¨ÇÏ¿© ÁÖº¯ ac lineÀÇ ½ÅÈ£°¡ ´Ù¸¥ Àü¼±À» Ÿ°í ³Ñ¾î¿À±âµµ
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