【太陽能熱(re)水器控(kong)制器】什(shen)么是熱(re)水器控(kong)制器 太陽能熱(re)水器的性能參數

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(yi)經(jing)開始走進千家萬戶?這里介紹一種(zhong)低(di)成本?高性能?全(quan)自動(dong)(dong)的(de)太陽能熱水(shui)(shui)器(qi)控(kong)制(zhi)器(qi)?它用數字方式顯示(shi)水(shui)(shui)溫(wen)?水(shui)(shui)位(wei);全(quan)自動(dong)(dong)水(shui)(shui)位(wei)控(kong)制(zhi),水(shui)(shui)位(wei)低(di)于規定(ding)(ding)(ding)值報警并自動(dong)(dong)上(shang)水(shui)(shui),上(shang)水(shui)(shui)到(dao)規定(ding)(ding)(ding)水(shui)(shui)位(wei)時自動(dong)(dong)停止(zhi)上(shang)水(shui)(shui)(水(shui)(shui)位(wei)的(de)上(shang)限(xian)可由(you)用戶自行(xing)設定(ding)(ding)(ding)?設定(ding)(ding)(ding)參數具有(you)斷電保護,重新上(shang)電不需要(yao)用戶再(zai)設定(ding)(ding)(ding));水(shui)(shui)位(wei)界于高低(di)水(shui)(shui)位(wei)之間時,可以(yi)通過觸摸鍵(jian)手(shou)動(dong)(dong)上(shang)水(shui)(shui)?停水(shui)(shui);當水(shui)(shui)壓(ya)(ya)不足時,自動(dong)(dong)控(kong)制(zhi)增壓(ya)(ya)泵投入工作(zuo),避免因(yin)水(shui)(shui)壓(ya)(ya)不足導致上(shang)水(shui)(shui)失敗;全(quan)自動(dong)(dong)的(de)溫(wen)度控(kong)制(zhi),禁(jin)止(zhi)高溫(wen)空(kong)曬(shai)后進水(shui)(shui),可以(yi)防止(zhi)真(zhen)空(kong)管(guan)因(yin)突然注入冷(leng)水(shui)(shui)而(er)爆裂?

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太陽能熱水器控制器的性能參數

系統(tong)輸(shu)入信(xin)號(hao)有:6個(ge)(ge)(ge)液位(wei)(wei)信(xin)號(hao)?1個(ge)(ge)(ge)溫度信(xin)號(hao)?4個(ge)(ge)(ge)觸摸鍵;輸(shu)出(chu)信(xin)號(hao)有:4位(wei)(wei)LED數(shu)碼管(guan)分時(shi)顯示當前溫度和液位(wei)(wei),3個(ge)(ge)(ge)位(wei)(wei)輸(shu)出(chu)控(kong)制繼電器(qi)分別控(kong)制上水(shui)(shui)電磁閥?加(jia)熱泵(beng)(beng)?增壓(ya)泵(beng)(beng),1個(ge)(ge)(ge)位(wei)(wei)輸(shu)出(chu)控(kong)制蜂鳴器(qi)作為低水(shui)(shui)位(wei)(wei)報警(jing)信(xin)號(hao)和其他異常情況報警(jing),2個(ge)(ge)(ge)位(wei)(wei)輸(shu)出(chu)指示上水(shui)(shui)?加(jia)熱狀(zhuang)態(tai)?用(yong)戶設定(ding)項目(mu)有水(shui)(shui)位(wei)(wei)上限?熱水(shui)(shui)溫度?上水(shui)(shui)定(ding)時(shi)?加(jia)熱定(ding)時(shi)?設定(ding)參(can)數(shu)用(yong)EEPROM保存,停電后參(can)數(shu)無需重新設定(ding)?系統(tong)具有故障自檢功能,電磁閥?加(jia)壓(ya)泵(beng)(beng)在(zai)停水(shui)(shui)時(shi)會自動切斷(duan),水(shui)(shui)位(wei)(wei)傳感器(qi)有故障時(shi)禁(jin)止上水(shui)(shui),以免上水(shui)(shui)時(shi)溢出(chu)?

液位(wei)傳感(gan)器采(cai)用(yong)ATS173型霍(huo)爾元(yuan)件(jian),若干霍(huo)爾元(yuan)件(jian)固定在一(yi)個(ge)垂直導(dao)(dao)槽上(shang),浮子帶動(dong)(dong)磁鋼沿導(dao)(dao)槽移動(dong)(dong),霍(huo)爾元(yuan)件(jian)的(de)(de)輸出經過一(yi)個(ge)電(dian)阻(zu)網絡(luo)轉換成不同的(de)(de)電(dian)壓,經ADC通(tong)道送入(ru)MCU?這樣(yang),僅用(yong)一(yi)個(ge)ADC通(tong)道可以(yi)實現多路數(shu)(shu)字(zi)信(xin)(xin)號(hao)(hao)的(de)(de)輸入(ru)?溫度(du)傳感(gan)器采(cai)用(yong)負溫度(du)(NTC)型通(tong)用(yong)熱敏(min)電(dian)阻(zu),信(xin)(xin)號(hao)(hao)經另一(yi)路ADC輸入(ru)MCU?保存設定參數(shu)(shu)的(de)(de)EEPROM采(cai)用(yong)HT93LC46,采(cai)用(yong)串行方(fang)式與(yu)MCU接口(kou),整個(ge)控(kong)制器的(de)(de)硬件(jian)及(ji)對MCU的(de)(de)資源要求降到(dao)最低?MCU根據檢測到(dao)的(de)(de)水位(wei)信(xin)(xin)號(hao)(hao)?水箱溫度(du)信(xin)(xin)號(hao)(hao),以(yi)及(ji)用(yong)戶的(de)(de)設定或操作(zuo),通(tong)過軟件(jian)進行數(shu)(shu)值計(ji)算和(he)邏(luo)輯運算,以(yi)確定當前應(ying)該進行的(de)(de)操作(zuo),并通(tong)過輸出口(kou)控(kong)制進水閥?加(jia)(jia)壓泵(beng)?加(jia)(jia)熱泵(beng)的(de)(de)狀(zhuang)態,以(yi)實現要求的(de)(de)控(kong)制功能?由(you)于SN8P1706的(de)(de)I/O口(kou)驅(qu)動(dong)(dong)能力可高(gao)達(da)15mA,采(cai)用(yong)高(gao)亮度(du)的(de)(de)LED顯示(shi)無須再使(shi)用(yong)驅(qu)動(dong)(dong)器件(jian),可以(yi)由(you)SN8P1706的(de)(de)I/O口(kou)直接驅(qu)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(qi)為目(mu)前性能價格比最(zui)高的方案之一?它(ta)不(bu)但可以被熱水器(qi)生(sheng)產廠家(jia)直接采用,也可以供電(dian)子設計(ji)愛好(hao)者設計(ji)制作參考(kao)?

控(kong)制(zhi)(zhi)(zhi)器的操作使用方式自(zi)然合理?S1用來(lai)切換操作狀態(tai)?控(kong)制(zhi)(zhi)(zhi)器有“直接控(kong)制(zhi)(zhi)(zhi)”和(he)“參數修(xiu)改(gai)”兩(liang)種工作狀態(tai)?按S1鍵顯示(shi)“00”,控(kong)制(zhi)(zhi)(zhi)器進入“直接控(kong)制(zhi)(zhi)(zhi)”狀態(tai),顯示(shi)“01”?“02”?“03”?“04”分別表示(shi)“設(she)定水位上限(xian)”?“設(she)定定時(shi)(shi)(shi)上水時(shi)(shi)(shi)間(jian)”?“設(she)定定時(shi)(shi)(shi)加(jia)熱時(shi)(shi)(shi)間(jian)”?“設(she)定加(jia)熱溫度”?

進入“參(can)數(shu)(shu)修(xiu)改”狀(zhuang)態后,S2?S3用(yong)(yong)來修(xiu)改規定(ding)的參(can)數(shu)(shu),S1接(jie)受本(ben)次修(xiu)改,并切換(huan)到下(xia)一(yi)個(ge)參(can)數(shu)(shu),S4取消(xiao)本(ben)次修(xiu)改?進入“直(zhi)(zhi)接(jie)控制(zhi)”后,S2用(yong)(yong)來手(shou)動上水,S3用(yong)(yong)來手(shou)動加熱,S4用(yong)(yong)來停(ting)止加熱或上水;若(ruo)水位已經超過設定(ding)水位上限,或水溫已經超過設定(ding)溫度,“直(zhi)(zhi)接(jie)控制(zhi)”將不起(qi)作(zuo)用(yong)(yong)?

設定水位上限:控制(zhi)器可以監測6個水(shui)位(wei),上限水(shui)位(wei)可以由用戶設(she)置,水(shui)位(wei)上限設(she)置范圍為(wei)位(wei)置3?4?5?6?

設定定時上水時間:每天在規定時(shi)間檢查水位,并(bing)上(shang)滿?若(ruo)設定時(shi)間為(wei)00或大于(yu)(yu)等(deng)于(yu)(yu)24,則取消自動(dong)定時(shi)上(shang)水?

設定定時加熱時間:每(mei)天在規(gui)定(ding)時間檢查水(shui)溫,若水(shui)溫低于(yu)(yu)設(she)(she)定(ding)溫度,則接通電加熱(re)器,將水(shui)溫加熱(re)到設(she)(she)定(ding)溫度?若設(she)(she)定(ding)時間為00或大于(yu)(yu)等于(yu)(yu)24,則取消(xiao)自動定(ding)時加熱(re)?

設定加熱溫度:定時加熱(re)溫度(du)也(ye)可以由(you)用戶設(she)定,可設(she)定范(fan)圍為(wei)20℃~60℃?