摘 要
水資源是不可缺少的，節(jié)約用水是一種美德。我們所見基本上是普通的水龍頭，但是往往我們也可以發(fā)現(xiàn)，當(dāng)我們因?yàn)榧笔露岁P(guān)水龍頭會(huì)使水一直流，從而浪費(fèi)很多水。水是我們的生命之源，無(wú)論在干旱或者水米之鄉(xiāng)。所以本設(shè)計(jì)是可以不浪費(fèi)水，方便了我們，也為那些容易忘記關(guān)水的人使用。
本論文設(shè)計(jì)一種以紅外線控制水龍頭。此電路兼具設(shè)計(jì)簡(jiǎn)單、外形美觀、操作性強(qiáng)等優(yōu)點(diǎn)，傳統(tǒng)水龍頭容易浪費(fèi)水資源，違背了現(xiàn)代社會(huì)追求“綠色低碳”目標(biāo)，在這基礎(chǔ)上，設(shè)計(jì)了自動(dòng)供水電路，不但可以節(jié)約用水，而且還降低了自然、社會(huì)、公司財(cái)富。紅外式自動(dòng)控制水龍頭由紅外發(fā)射電路、紅外接收放大電路、控制電路、電磁閥、電源組成。當(dāng)人或事物靠近時(shí)，自動(dòng)產(chǎn)生控制信號(hào)繼電器動(dòng)作，使電磁閥得電吸合放水的功能。它安裝方便、靈敏度高、抗干擾能力強(qiáng)，使用壽命長(zhǎng)。發(fā)出光均勻穩(wěn)定，已成為人們?nèi)粘Ｉ钪斜夭豢缮俚谋匦杵?，其廣泛用于家庭、車站、工廠、學(xué)校、餐廳等場(chǎng)所。而且大大的擴(kuò)展了原先水龍頭的功能。因此，研究紅外自動(dòng)水龍頭及擴(kuò)大其應(yīng)用，有著非?，F(xiàn)實(shí)的意義。

關(guān)鍵字：傳感器、紅外線、自動(dòng)控制

Water is indispensable, save water is a virtue. What we see is basically ordinary faucet, but often we can also found that, when we because urgent and forgot to turn off the faucet can make water has been flowing, thus wasting a lot of water. Water is the source of our lives, no matter in drought or water meters of the township. So this design can not waste water, convenient for us, but also the easily forget shut water use.
This paper designed a kind of infrared control faucet. This circuit is simple in design, both in appearance, such advantages as high maneuverability, the traditional faucet easy to waste water, violated the modern society is seeking "green low carbon" goal, in this basis, automatic water supply circuit design, not only can save water, but also reduced the natural, social, company wealth. Infrared type automatic control faucet consists of infrared emission circuit, infrared receiving amplifier circuit, control circuit, solenoid valve, power component. When people or things close, automatically generate control signal relay action, make the electromagnetic valve fits the absorption of water to electricity function. It convenient installation, high sensitivity, anti-jamming ability, long service life. Emit light uniform stability, has become necessary in People's Daily life necessities, which are widely used in household, station, factories, schools, restaurants and other places. And greatly expanded the original function of the faucet. Therefore, the infrared automatic faucet and expand its application, has a very realistic significance.
Key Words: sensor, infrared,automatic control
目 錄
第一章 緒論 6
1.1 引言 6
1.2 國(guó)內(nèi)外發(fā)展方向及現(xiàn)狀 7
第二章 元器件方案 7
2.1 傳感器 7
2.2 發(fā)光二極管（LED） 9
2.3 接收管 10
第三章 紅外線控制自動(dòng)水龍頭設(shè)計(jì) 11
3.1 水龍頭的構(gòu)成及傳感器控制 11
3.2 系統(tǒng)組成方框圖 12
3.3 紅外反射式光電傳感器特性與工作原理 12
3.4 紅外線控制自動(dòng)水龍頭的工作原理 13
3.5 單元電路的設(shè)計(jì) 13
結(jié) 束 語(yǔ) 22
致 謝 23
參考文獻(xiàn) 24
附錄一 25
附錄二 26