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- ¸ÂÃã °¡´É À¯¹«: ±×·¸½À´Ï´Ù
- ÀÌ·Ð: ÀúÇ× ¼¾¼
- »ç¿ë¹ý: °¡½º ¼¾¼
- ¸ðµ¨ ¹øÈ£: MQ-2 MQ-2B Module/Socket
- Àç·á: È¥ÇÕ¹°
- À¯Çü: °¡½º °¨Áö±â
- Ãâ·Â: µðÁöÅÐ ¼¾¼
- ºê·£µå À̸§: EC Buying
- ±Ù¿ø: CN (Á¤Ç°)
- Smart Electronics Experiment: Switch And Sensor For Arduino STM32
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MQ2: (¾×È °¡½º, ºÎź, ÇÁ·ÎÆÇ, ¸Þź, ¾ËÄÚ¿Ã, ¼ö¼Ò, Èâ µîÀÇ °ËÃâ¿¡ ÀûÇÕÇÑ °¡Á¤ ¹× °øÀå ¿ë °¡½º ´©Ãâ ¸ð´ÏÅ͸µ ÀåÄ¡) °¡½º: ¿¬±â °¨Áö ¹üÀ§: 300 ¿¡¼ 10000ppm Ư¼º °¡½º: 1000ppm À̼ҺÎź °¨µµ: °ø±â Áß R/¸° ÀüÇüÀûÀÎ °¡½º ≥ 5 ¹Î°¨ÇÑ ½Åü ÀúÇ×: 50ppm Åç·ç¿£ ³» 1KΩ ~ 20KΩ ÀÀ´ä ½Ã°£: ≤ 10 ÃÊ º¹±¸ ½Ã°£: ≤ 30 ÃÊ °¡¿ ÀúÇ×: 31Ω ¡¾ 3Ω °¡¿ Àü·ù: ≤ 180mA °¡¿ Àü¾Ð: 5.0V ¡¾ 0.2V ³¹æ Àü·Â: ≤ 900mW ÃøÁ¤ Àü¾Ð: ≤ 24V
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MQ-2 °¡½º ¼¾¼ ¹Î°¨ÇÑ ¹°ÁúÀº ûÁ¤ °ø±â ÀúÀüµµµµ ÁÖ¼® »êȹ° (SnO2) ¿¡ »ç¿ëµË´Ï´Ù. °¡¿¬¼º °¡½º ¼¾¼°¡ °ø±â Áß °¡¿¬¼º °¡½ºÀÇ ³óµµ°¡ Áõ°¡ÇÏ´Â Àüµµµµ ¼¾¼°¡Àִ ȯ°æÀÌÀÖÀ» ¶§. °£´ÜÇÑ È¸·Î¸¦ »ç¿ëÇÏ¿© Ãâ·Â ½ÅÈ£¿¡ ÇØ´çÇÏ´Â °¡½º ³óµµÀÇ Àüµµµµ º¯È¸¦ º¯È¯ÇÕ´Ï´Ù. °¡½º, ÇÁ·ÎÆÇ, õ¿¬ °¡½º ¹× ±âŸ °¡¿¬¼º Áõ±â °ËÃâÀÇ ¼ö¼Ò °¨µµ°¡ ³ôÀº MQ-2 °¡½º ¼¾¼ ¶ÇÇÑ ¸Å¿ì ÁÁ½À´Ï´Ù. ÀÌ ¼¾¼´Â ´Ù¾çÇÑ °¡¿¬¼º °¡½º¸¦ °¨Áö ÇÒ ¼ö ÀÖÀ¸¸ç ´Ù¾çÇÑ ¿ëµµ·Î Àú·ÅÇÑ ¼¾¼ÀÔ´Ï´Ù. °¡½º´Â °¡½º, ºÎź, ÇÁ·ÎÆÇ, ¸Þź, ¿¬±â µîÀÇ °ËÃâ¿¡ ÀûÇÕÇÑ °¡Á¤ ¹× °øÀå ´©Ãâ ¸ð´ÏÅ͸µ ÀåÄ¡¿¡ »ç¿ëµÉ ¼öÀÖ´Ù.
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MQ-2B Á¦Ç° ¼³¸í: MQ-2B °¡½º ¼¾¼¿¡ »ç¿ëµÇ´Â °¡½º °¨Áö ¹°ÁúÀº ±ú²ýÇÑ °ø±â¿¡¼ Àüµµµµ°¡ ³·Àº ÀÌ»êÈ ÁÖ¼® (SnO2) ÀÔ´Ï´Ù. ¼¾¼°¡Àִ ȯ°æ¿¡ °¡¿¬¼º °¡½º°¡ÀÖ´Â °æ¿ì °ø±â Áß °¡¿¬¼º °¡½ºÀÇ ³óµµ°¡ Áõ°¡ÇÔ¿¡ µû¶ó ¼¾¼ÀÇ Àüµµµµ°¡ Áõ°¡ÇÕ´Ï´Ù. ÀüµµµµÀÇ º¯È´Â °£´ÜÇÑ È¸·Î¸¦ »ç¿ëÇÏ¿© °¡½º ³óµµ¿¡ ÇØ´çÇÏ´Â Ãâ·Â ½ÅÈ£·Î º¯È¯ µÉ ¼ö ÀÖ½À´Ï´Ù. MQ-2B °¡½º ¼¾¼´Â ÇÁ·ÎÆÇ ¹× ¿¬±â¿¡ ¸Å¿ì ¹Î°¨Çϸç õ¿¬ °¡½º ¹× ±âŸ ÀÎȼº Áõ±â¸¦ °¨ÁöÇÏ´Â µ¥ ÀÌ»óÀûÀÔ´Ï´Ù. ÀÌ ¼¾¼´Â ¿©·¯ °³ÀÇ °¡¿¬¼º °¡½º¸¦ °¨ÁöÇÏ¸ç ´Ù¾çÇÑ ºÐ¾ß¿¡ ÀûÇÕÇÑ Àú·ÅÇÑ ¼¾¼ÀÔ´Ï´Ù. Ư¡: ÀÌ Á¦Ç° ³ÐÀº ³óµµ ¹üÀ§ ÇÁ·ÎÆÇ, ¿¬±â µî ´ëÇÑ ¹Î°¨¼º ¿ì¼öÇÏ¸ç ¼ö¸í ±æ°í ºñ¿ë Àú·ÅÇÏ¸ç ¿îÀü ȸ·Î °£ÆíÇÏ´Ù´Â ÀåÁ¡ ÀÖ½À´Ï´Ù. ½Åû: °¡Á¤¿ë °¡½º ´©Ã⠰溸, »ê¾÷¿ë °¡¿¬¼º °¡½º °æº¸ ¹× ÈÞ´ë¿ë °¡½º °¨Áö Àåºñ¿¡ ³Î¸® »ç¿ëµË´Ï´Ù. ¸Å°³ º¯¼ö: °ËÃâ °¡½º: °¡¿¬¼º °¡½º, ¿¬±â °ËÃâ ³óµµ: 300 ~ 10000ppm (°¡¿¬¼º °¡½º) ·çÇÁ Àü¾Ð Vc: ≤ 24V DC °¡¿ Àü¾Ð VH : 5.0V ¡¾ 0.1V AC ¶Ç´Â DC ºÎÇÏ ÀúÇ× RL: Á¶Á¤ °¡´É °¡¿ ÀúÇ× RH : 29 Ω ¡¾ 3 Ω (½Ç¿Â) ³¹æ Àü·Â ¼Òºñ PH : ≤ 900mW °¨µµ S: Rs (°ø±â Áß) / Rs (2000ppm C3H8) ≥ 5 Ãâ·Â Àü¾Ð ´ë: 2.5V ~ 4.0V (2000ppmC3H8) ³óµµ ±â¿ï±â ¥á: ≤ 0.6 (R3000ppm/R1000ppm C3H8) ¿Âµµ, ½Àµµ: 20 °C ¡¾ 2 °C; 55% ¡¾ 5% RH Ç¥ÁØ ½ÃÇè ȸ·Î: Vc: 5.0V ¡¾ 0.1V; VH: 5.0V ¡¾ 0.1V ¿¹¿ ½Ã°£: 48 ½Ã°£ ÀÌ»ó »ê¼Ò ÇÔ·®: 21% (»ê¼Ò ³óµµ´Â 18% ÀÌ»ó, (»ê¼Ò ³óµµ´Â ¼¾¼ÀÇ Ãʱ⠰ª, °¨µµ ¹× ¹Ýº¹¼º¿¡ ¿µÇâÀ» ¹ÌĨ´Ï´Ù. ³·Àº »ê¼Ò ³óµµ¿¡¼ »ç¿ëÇÒ °æ¿ì ¹®ÀÇÇϽʽÿÀ) ±â´ë ¼ö¸í: 10 ³â
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Âü°í:À§ÀÇ ±×¸²Àº MQ-2B ¼¾¼ÀÇ ±âº» Å×½ºÆ® ȸ·Î¸¦ º¸¿©ÁÝ´Ï´Ù. ¼¾¼¿¡´Â È÷ÅÍ Àü¾Ð (VH) °ú Å×½ºÆ® Àü¾Ð (VC) ÀÇ µÎ °¡Áö Àü¾ÐÀÌ ÇÊ¿äÇÕ´Ï´Ù. VH´Â ¼¾¼ÀÇ Æ¯Á¤ ÀÛµ¿ ¿Âµµ (DC ¶Ç´Â AC) ¸¦ Á¦°øÇÏ´Â µ¥ »ç¿ëµË´Ï´Ù. VRLÀº Á÷·Ä·Î ¼¾¼ÀÇ ºÎÇÏ ÀúÇ× (RL) ¿¡ °ÉÄ£ Àü¾ÐÀÔ´Ï´Ù. VC´Â ºÎÇÏ ÀúÇ× RLÀ» Å×½ºÆ®ÇϱâÀ§ÇÑ Àü¾ÐÀ̸ç DC Àü¿ø °ø±Þ ÀåÄ¡°¡ ÇÊ¿äÇÕ´Ï´Ù. ![](https://ae01.alicdn.com/kf/S81ff5db3785047099990d4f86762314eQ.jpg)
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