【正文】 1 紅外線遙控電源開關 物理與電子信息 電子信息科學與技術專業(yè) 摘要： 隨著社會的進步和生活水平的提高，人們對物質生活的要求也越來越高。近年來 ,紅外線遙控技術在日常生活中應用越來越廣泛。紅外線遙控系統(tǒng)具有體積小、功耗低、功能強、成本低、易于控制和使用方便等特點，適用于近距離遙控，具有較好的推廣應用價值。本文介紹一種單路紅外線遙控電源開關的設計方法，采用數(shù)字集成電路實現(xiàn)遙控電源開關的手段。在設計的電路中由于使用了編碼和解碼器，所以電路抗干擾能力強，且線路簡單，便于電子愛好者自己動手制作，在生活中有很好的用 途。 關鍵詞： 紅外線；編碼；譯碼； PT2262； PT2272 Infrared remote control power switch Guo Qian Hysics and Electronic Information Electronic Information Science and Technology No: 070522020 Tutor: Wang Songde Abstract: With social progress and living standards improve, people39。s material life demands increasingly high. In recent years, infrared remote control technology in the daily lives more and more widely applied. Infrared remote control system has a small size, low power consumption, strong function, low cost, easy to control and easytouse features such as, for closeup remote control, with the popularization and application of better value. This paper presents a infrared remote control power switch of the design methodology, digital integrated circuits to achieve a means of remote control power switch. In the design of the circuit because of the use of encoding and decoding, and therefore antiinterference ability circuit, and the line is simple, easy to doityourself electronics enthusiasts production, in life has a very good purpose. Keywords: infrared。 coding。 decoding。 PT2262。 PT2272 2 目 錄 摘要 ............................................................................................................................................ 1 1 引言 ........................................................................................................................................ 4 2 主要性能指標 ......................................................................................................................... 4 3 紅外線遙控開關原理 ............................................................................................................. 4 紅外線簡介 .......................................................................................................................... 4 系統(tǒng)總體設計方案 .............................................................................................................. 5 方案一 .............................................................................................................................. 5 方案二 .............................................................................................................................. 6 方案比較 ........................................................................................................................... 6 4 電路設計 ................................................................................................................................ 7 紅外遙控發(fā)射電路設計 ..................................................................................................... 7 紅外遙控接收電路設計 ..................................................................................................... 7 電源電路設計 ..................................................................................................................... 8 5 主要組件選擇及介紹 ............................................................................................................. 9 紅外發(fā)光二極管和接收管 ................................................................................................. 9 成品紅外接收頭 .................................................