【太(tai)陽能(neng)熱水(shui)(shui)器(qi)控制(zhi)器(qi)】什(shen)么(me)是熱水(shui)(shui)器(qi)控制(zhi)器(qi) 太(tai)陽能(neng)熱水(shui)(shui)器(qi)的性能(neng)參數

什么是熱水器控制器

太陽能是目前最為“干凈”的能源之一?隨著消費者環保和綠色意識的提高,太陽能熱水器已經(jing)開(kai)始(shi)走(zou)進(jin)千家萬戶?這(zhe)里介紹一種低(di)成本?高性能?全自(zi)動(dong)的太陽能熱水(shui)(shui)(shui)(shui)(shui)器控(kong)(kong)制器?它用數字方式顯示水(shui)(shui)(shui)(shui)(shui)溫(wen)(wen)?水(shui)(shui)(shui)(shui)(shui)位;全自(zi)動(dong)水(shui)(shui)(shui)(shui)(shui)位控(kong)(kong)制,水(shui)(shui)(shui)(shui)(shui)位低(di)于(yu)規(gui)定(ding)值報警并自(zi)動(dong)上水(shui)(shui)(shui)(shui)(shui),上水(shui)(shui)(shui)(shui)(shui)到(dao)規(gui)定(ding)水(shui)(shui)(shui)(shui)(shui)位時自(zi)動(dong)停止(zhi)上水(shui)(shui)(shui)(shui)(shui)(水(shui)(shui)(shui)(shui)(shui)位的上限可(ke)(ke)由用戶自(zi)行(xing)設定(ding)?設定(ding)參數具有(you)斷(duan)電(dian)保(bao)護,重新上電(dian)不需要用戶再(zai)設定(ding));水(shui)(shui)(shui)(shui)(shui)位界于(yu)高低(di)水(shui)(shui)(shui)(shui)(shui)位之間時,可(ke)(ke)以(yi)通(tong)過觸摸鍵手動(dong)上水(shui)(shui)(shui)(shui)(shui)?停水(shui)(shui)(shui)(shui)(shui);當水(shui)(shui)(shui)(shui)(shui)壓(ya)不足時,自(zi)動(dong)控(kong)(kong)制增(zeng)壓(ya)泵(beng)投入(ru)工(gong)作,避免(mian)因水(shui)(shui)(shui)(shui)(shui)壓(ya)不足導致上水(shui)(shui)(shui)(shui)(shui)失敗;全自(zi)動(dong)的溫(wen)(wen)度控(kong)(kong)制,禁(jin)止(zhi)高溫(wen)(wen)空曬后(hou)進(jin)水(shui)(shui)(shui)(shui)(shui),可(ke)(ke)以(yi)防止(zhi)真空管因突然注入(ru)冷水(shui)(shui)(shui)(shui)(shui)而爆(bao)裂?

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太陽能熱水器控制器的性能參數

系統輸(shu)(shu)入信(xin)(xin)號有(you)(you):6個(ge)液(ye)位(wei)信(xin)(xin)號?1個(ge)溫(wen)度信(xin)(xin)號?4個(ge)觸摸(mo)鍵;輸(shu)(shu)出(chu)(chu)(chu)信(xin)(xin)號有(you)(you):4位(wei)LED數(shu)碼管分時顯(xian)示當前溫(wen)度和(he)(he)液(ye)位(wei),3個(ge)位(wei)輸(shu)(shu)出(chu)(chu)(chu)控(kong)(kong)制(zhi)(zhi)繼電(dian)器分別控(kong)(kong)制(zhi)(zhi)上(shang)(shang)水(shui)(shui)(shui)電(dian)磁閥(fa)?加熱(re)(re)(re)(re)泵?增(zeng)壓(ya)(ya)泵,1個(ge)位(wei)輸(shu)(shu)出(chu)(chu)(chu)控(kong)(kong)制(zhi)(zhi)蜂(feng)鳴器作為低水(shui)(shui)(shui)位(wei)報警信(xin)(xin)號和(he)(he)其他異常情況報警,2個(ge)位(wei)輸(shu)(shu)出(chu)(chu)(chu)指示上(shang)(shang)水(shui)(shui)(shui)?加熱(re)(re)(re)(re)狀態(tai)?用(yong)戶(hu)設定(ding)(ding)項目(mu)有(you)(you)水(shui)(shui)(shui)位(wei)上(shang)(shang)限?熱(re)(re)(re)(re)水(shui)(shui)(shui)溫(wen)度?上(shang)(shang)水(shui)(shui)(shui)定(ding)(ding)時?加熱(re)(re)(re)(re)定(ding)(ding)時?設定(ding)(ding)參數(shu)用(yong)EEPROM保存,停電(dian)后參數(shu)無需(xu)重新(xin)設定(ding)(ding)?系統具有(you)(you)故(gu)障自檢功能,電(dian)磁閥(fa)?加壓(ya)(ya)泵在停水(shui)(shui)(shui)時會自動切斷,水(shui)(shui)(shui)位(wei)傳感器有(you)(you)故(gu)障時禁止(zhi)上(shang)(shang)水(shui)(shui)(shui),以免上(shang)(shang)水(shui)(shui)(shui)時溢出(chu)(chu)(chu)?

液位傳感(gan)器(qi)采用(yong)ATS173型霍(huo)(huo)爾(er)(er)元件(jian),若干霍(huo)(huo)爾(er)(er)元件(jian)固定(ding)(ding)在一個(ge)垂直導槽(cao)上,浮子(zi)帶(dai)動(dong)(dong)磁鋼沿導槽(cao)移(yi)動(dong)(dong),霍(huo)(huo)爾(er)(er)元件(jian)的(de)輸出(chu)經(jing)過一個(ge)電(dian)阻(zu)網(wang)絡(luo)轉(zhuan)換成不(bu)同(tong)的(de)電(dian)壓(ya),經(jing)ADC通(tong)道(dao)(dao)送入MCU?這樣(yang),僅用(yong)一個(ge)ADC通(tong)道(dao)(dao)可(ke)以實現多路(lu)數(shu)字(zi)信號的(de)輸入?溫(wen)度(du)傳感(gan)器(qi)采用(yong)負(fu)溫(wen)度(du)(NTC)型通(tong)用(yong)熱敏電(dian)阻(zu),信號經(jing)另(ling)一路(lu)ADC輸入MCU?保存設定(ding)(ding)參數(shu)的(de)EEPROM采用(yong)HT93LC46,采用(yong)串行(xing)方式與MCU接(jie)口,整個(ge)控(kong)制(zhi)器(qi)的(de)硬件(jian)及對MCU的(de)資源要求降到最低?MCU根(gen)據檢(jian)測(ce)到的(de)水(shui)位信號?水(shui)箱溫(wen)度(du)信號,以及用(yong)戶(hu)的(de)設定(ding)(ding)或操(cao)作,通(tong)過軟件(jian)進行(xing)數(shu)值計算和邏(luo)輯運算,以確定(ding)(ding)當(dang)前應該(gai)進行(xing)的(de)操(cao)作,并通(tong)過輸出(chu)口控(kong)制(zhi)進水(shui)閥?加壓(ya)泵(beng)?加熱泵(beng)的(de)狀態,以實現要求的(de)控(kong)制(zhi)功能(neng)?由于SN8P1706的(de)I/O口驅動(dong)(dong)能(neng)力可(ke)高達(da)15mA,采用(yong)高亮度(du)的(de)LED顯示無須再(zai)使用(yong)驅動(dong)(dong)器(qi)件(jian),可(ke)以由SN8P1706的(de)I/O口直接(jie)驅動(dong)(dong)?

本機采用專用單片機SN8P1706實現?由于SN8P1706的優良性能,除了MCU之外僅僅使用少量必需的外圍器件?與通用單片機相比,無須擴展ADC?顯示驅動電路,不但節約了硬件成本,也簡化了電路,提高了系統的穩定性和抗干擾能力,軟件任務也得到了一定的減少?從成本?性能等方面全方位地體貼用戶,這里介紹的低成本?高性能的太陽能熱水器控制器為目前性能(neng)價(jia)格比最高的方案之一?它不但(dan)可以被熱水器生產廠家直接采用(yong),也可以供電子(zi)設計(ji)愛好者設計(ji)制作參考?

控制(zhi)器的操(cao)作(zuo)使用方式自(zi)然合理?S1用來切換操(cao)作(zuo)狀態(tai)?控制(zhi)器有“直接控制(zhi)”和“參數修改”兩(liang)種工作(zuo)狀態(tai)?按S1鍵顯(xian)(xian)示(shi)“00”,控制(zhi)器進(jin)入“直接控制(zhi)”狀態(tai),顯(xian)(xian)示(shi)“01”?“02”?“03”?“04”分別表示(shi)“設(she)定(ding)(ding)(ding)水(shui)(shui)位上限”?“設(she)定(ding)(ding)(ding)定(ding)(ding)(ding)時(shi)上水(shui)(shui)時(shi)間(jian)”?“設(she)定(ding)(ding)(ding)定(ding)(ding)(ding)時(shi)加熱(re)時(shi)間(jian)”?“設(she)定(ding)(ding)(ding)加熱(re)溫(wen)度”?

進(jin)入“參(can)數修(xiu)(xiu)改(gai)”狀態后(hou),S2?S3用(yong)來修(xiu)(xiu)改(gai)規定(ding)的參(can)數,S1接(jie)(jie)受本次修(xiu)(xiu)改(gai),并切換到下一個參(can)數,S4取消本次修(xiu)(xiu)改(gai)?進(jin)入“直(zhi)接(jie)(jie)控制”后(hou),S2用(yong)來手動(dong)上水,S3用(yong)來手動(dong)加(jia)熱,S4用(yong)來停止加(jia)熱或上水;若(ruo)水位已經(jing)超過設定(ding)水位上限,或水溫已經(jing)超過設定(ding)溫度,“直(zhi)接(jie)(jie)控制”將(jiang)不起作用(yong)?

設定水位上限:控制器可以(yi)監測6個水位(wei),上(shang)限(xian)水位(wei)可以(yi)由(you)用戶(hu)設置(zhi),水位(wei)上(shang)限(xian)設置(zhi)范圍為位(wei)置(zhi)3?4?5?6?

設定定時上水時間:每(mei)天在規(gui)定(ding)時(shi)間檢(jian)查水位,并上(shang)(shang)滿(man)?若(ruo)設定(ding)時(shi)間為00或大(da)于等(deng)于24,則取消自動定(ding)時(shi)上(shang)(shang)水?

設定定時加熱時間:每天(tian)在規定(ding)時間檢查水溫(wen)(wen),若水溫(wen)(wen)低于(yu)設定(ding)溫(wen)(wen)度,則接通電加熱器,將(jiang)水溫(wen)(wen)加熱到(dao)設定(ding)溫(wen)(wen)度?若設定(ding)時間為00或大于(yu)等于(yu)24,則取消(xiao)自動定(ding)時加熱?

設定加熱溫度:定(ding)時加熱(re)溫度也可(ke)以(yi)由用戶設定(ding),可(ke)設定(ding)范(fan)圍為20℃~60℃?