【太陽能(neng)(neng)熱(re)水(shui)(shui)器控(kong)制(zhi)(zhi)器】什(shen)么是熱(re)水(shui)(shui)器控(kong)制(zhi)(zhi)器 太陽能(neng)(neng)熱(re)水(shui)(shui)器的(de)性能(neng)(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)開始(shi)走進(jin)千家萬戶?這(zhe)里介紹一(yi)種低成本?高性能?全自(zi)動的太陽能熱(re)水(shui)(shui)(shui)器控制器?它(ta)用數(shu)(shu)字(zi)方式顯示水(shui)(shui)(shui)溫(wen)?水(shui)(shui)(shui)位(wei)(wei);全自(zi)動水(shui)(shui)(shui)位(wei)(wei)控制,水(shui)(shui)(shui)位(wei)(wei)低于規(gui)定(ding)值報警(jing)并自(zi)動上(shang)水(shui)(shui)(shui),上(shang)水(shui)(shui)(shui)到規(gui)定(ding)水(shui)(shui)(shui)位(wei)(wei)時(shi)自(zi)動停止(zhi)(zhi)(zhi)上(shang)水(shui)(shui)(shui)(水(shui)(shui)(shui)位(wei)(wei)的上(shang)限(xian)可(ke)由用戶自(zi)行設(she)定(ding)?設(she)定(ding)參(can)數(shu)(shu)具有斷(duan)電保(bao)護,重新(xin)上(shang)電不(bu)(bu)需要用戶再設(she)定(ding));水(shui)(shui)(shui)位(wei)(wei)界(jie)于高低水(shui)(shui)(shui)位(wei)(wei)之間時(shi),可(ke)以(yi)通過觸摸鍵手(shou)動上(shang)水(shui)(shui)(shui)?停水(shui)(shui)(shui);當(dang)水(shui)(shui)(shui)壓(ya)不(bu)(bu)足(zu)時(shi),自(zi)動控制增壓(ya)泵投(tou)入工作,避免因水(shui)(shui)(shui)壓(ya)不(bu)(bu)足(zu)導致上(shang)水(shui)(shui)(shui)失敗;全自(zi)動的溫(wen)度控制,禁止(zhi)(zhi)(zhi)高溫(wen)空曬(shai)后進(jin)水(shui)(shui)(shui),可(ke)以(yi)防止(zhi)(zhi)(zhi)真空管因突然注入冷水(shui)(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(xi)統輸入信(xin)(xin)號(hao)有(you)(you):6個液位(wei)(wei)信(xin)(xin)號(hao)?1個溫(wen)(wen)度(du)信(xin)(xin)號(hao)?4個觸摸鍵(jian);輸出(chu)(chu)信(xin)(xin)號(hao)有(you)(you):4位(wei)(wei)LED數(shu)碼(ma)管分時(shi)顯示(shi)當(dang)前溫(wen)(wen)度(du)和(he)液位(wei)(wei),3個位(wei)(wei)輸出(chu)(chu)控(kong)制繼電器分別控(kong)制上(shang)(shang)水(shui)(shui)(shui)(shui)電磁閥?加熱泵(beng)(beng)?增壓泵(beng)(beng),1個位(wei)(wei)輸出(chu)(chu)控(kong)制蜂鳴器作(zuo)為低水(shui)(shui)(shui)(shui)位(wei)(wei)報(bao)警(jing)信(xin)(xin)號(hao)和(he)其他異常情(qing)況報(bao)警(jing),2個位(wei)(wei)輸出(chu)(chu)指示(shi)上(shang)(shang)水(shui)(shui)(shui)(shui)?加熱狀態?用戶(hu)設(she)定(ding)項(xiang)目有(you)(you)水(shui)(shui)(shui)(shui)位(wei)(wei)上(shang)(shang)限?熱水(shui)(shui)(shui)(shui)溫(wen)(wen)度(du)?上(shang)(shang)水(shui)(shui)(shui)(shui)定(ding)時(shi)?加熱定(ding)時(shi)?設(she)定(ding)參數(shu)用EEPROM保存,停(ting)電后參數(shu)無需重新設(she)定(ding)?系(xi)統具(ju)有(you)(you)故(gu)障自(zi)檢功能,電磁閥?加壓泵(beng)(beng)在停(ting)水(shui)(shui)(shui)(shui)時(shi)會(hui)自(zi)動切斷,水(shui)(shui)(shui)(shui)位(wei)(wei)傳感器有(you)(you)故(gu)障時(shi)禁止上(shang)(shang)水(shui)(shui)(shui)(shui),以免上(shang)(shang)水(shui)(shui)(shui)(shui)時(shi)溢(yi)出(chu)(chu)?

液位傳感(gan)器(qi)采(cai)用ATS173型(xing)霍(huo)(huo)爾(er)元件,若干霍(huo)(huo)爾(er)元件固定(ding)(ding)在一(yi)(yi)個垂(chui)直(zhi)導(dao)槽(cao)上,浮(fu)子帶動磁鋼沿(yan)導(dao)槽(cao)移(yi)動,霍(huo)(huo)爾(er)元件的(de)(de)(de)(de)輸(shu)出(chu)經(jing)(jing)過(guo)一(yi)(yi)個電阻網(wang)絡(luo)轉換成不同的(de)(de)(de)(de)電壓,經(jing)(jing)ADC通(tong)道送入MCU?這樣,僅用一(yi)(yi)個ADC通(tong)道可以(yi)(yi)實現(xian)多路數(shu)字(zi)信(xin)號(hao)的(de)(de)(de)(de)輸(shu)入?溫度傳感(gan)器(qi)采(cai)用負溫度(NTC)型(xing)通(tong)用熱敏電阻,信(xin)號(hao)經(jing)(jing)另一(yi)(yi)路ADC輸(shu)入MCU?保存設定(ding)(ding)參數(shu)的(de)(de)(de)(de)EEPROM采(cai)用HT93LC46,采(cai)用串行(xing)方式與MCU接口(kou),整個控制(zhi)(zhi)器(qi)的(de)(de)(de)(de)硬(ying)件及(ji)對MCU的(de)(de)(de)(de)資源要(yao)求降到最(zui)低(di)?MCU根據檢測到的(de)(de)(de)(de)水位信(xin)號(hao)?水箱溫度信(xin)號(hao),以(yi)(yi)及(ji)用戶的(de)(de)(de)(de)設定(ding)(ding)或(huo)操作(zuo),通(tong)過(guo)軟件進行(xing)數(shu)值計算和邏輯運算,以(yi)(yi)確(que)定(ding)(ding)當前(qian)應該進行(xing)的(de)(de)(de)(de)操作(zuo),并通(tong)過(guo)輸(shu)出(chu)口(kou)控制(zhi)(zhi)進水閥?加(jia)壓泵(beng)?加(jia)熱泵(beng)的(de)(de)(de)(de)狀態(tai),以(yi)(yi)實現(xian)要(yao)求的(de)(de)(de)(de)控制(zhi)(zhi)功能?由于SN8P1706的(de)(de)(de)(de)I/O口(kou)驅(qu)(qu)動能力(li)可高(gao)達15mA,采(cai)用高(gao)亮度的(de)(de)(de)(de)LED顯示無(wu)須再使用驅(qu)(qu)動器(qi)件,可以(yi)(yi)由SN8P1706的(de)(de)(de)(de)I/O口(kou)直(zhi)接驅(qu)(qu)動?

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(ge)比最(zui)高的(de)方(fang)案之(zhi)一?它不(bu)但可(ke)以被熱水器(qi)生產廠家直接(jie)采用(yong),也可(ke)以供電(dian)子設計愛好(hao)者設計制作參考?

控(kong)(kong)制(zhi)(zhi)器的操(cao)作使用方式自然合理?S1用來切換操(cao)作狀(zhuang)態?控(kong)(kong)制(zhi)(zhi)器有(you)“直接控(kong)(kong)制(zhi)(zhi)”和“參數修改(gai)”兩(liang)種工作狀(zhuang)態?按S1鍵顯(xian)(xian)示“00”,控(kong)(kong)制(zhi)(zhi)器進入“直接控(kong)(kong)制(zhi)(zhi)”狀(zhuang)態,顯(xian)(xian)示“01”?“02”?“03”?“04”分別表示“設(she)定水位上限”?“設(she)定定時(shi)上水時(shi)間(jian)”?“設(she)定定時(shi)加(jia)熱時(shi)間(jian)”?“設(she)定加(jia)熱溫度(du)”?

進(jin)入“參數(shu)修(xiu)改(gai)”狀態(tai)后,S2?S3用(yong)來(lai)修(xiu)改(gai)規定(ding)的參數(shu),S1接受本次修(xiu)改(gai),并切換(huan)到下一(yi)個參數(shu),S4取(qu)消本次修(xiu)改(gai)?進(jin)入“直接控(kong)制”后,S2用(yong)來(lai)手(shou)動(dong)上水(shui)(shui),S3用(yong)來(lai)手(shou)動(dong)加熱,S4用(yong)來(lai)停(ting)止加熱或上水(shui)(shui);若水(shui)(shui)位(wei)已經超過設定(ding)水(shui)(shui)位(wei)上限,或水(shui)(shui)溫(wen)已經超過設定(ding)溫(wen)度,“直接控(kong)制”將不起作用(yong)?

設定水位上限:控制器可以監(jian)測(ce)6個水位(wei),上限水位(wei)可以由用戶(hu)設(she)置(zhi),水位(wei)上限設(she)置(zhi)范圍(wei)為位(wei)置(zhi)3?4?5?6?

設定定時上水時間:每天(tian)在規定(ding)時(shi)間檢(jian)查水(shui)位,并上滿(man)?若(ruo)設定(ding)時(shi)間為00或大(da)于等于24,則取(qu)消自動定(ding)時(shi)上水(shui)?

設定定時加熱時間:每天在規定時(shi)間檢(jian)查水(shui)溫,若水(shui)溫低于設(she)定溫度(du),則接通電加(jia)(jia)熱(re)器,將(jiang)水(shui)溫加(jia)(jia)熱(re)到設(she)定溫度(du)?若設(she)定時(shi)間為00或(huo)大于等(deng)于24,則取消自動定時(shi)加(jia)(jia)熱(re)?

設定加熱溫度:定時加(jia)熱溫度(du)也可以(yi)由(you)用(yong)戶設(she)定,可設(she)定范圍為(wei)20℃~60℃?