【太(tai)陽(yang)能熱(re)水(shui)(shui)(shui)器(qi)控(kong)制器(qi)】什么是熱(re)水(shui)(shui)(shui)器(qi)控(kong)制器(qi) 太(tai)陽(yang)能熱(re)水(shui)(shui)(shui)器(qi)的性(xing)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,太陽能熱水器已經(jing)開始(shi)走(zou)進千家萬戶(hu)(hu)?這里介紹一種低成本?高性能?全自動(dong)的太(tai)陽(yang)能熱水(shui)(shui)(shui)(shui)器控制(zhi)器?它用(yong)(yong)(yong)數(shu)字方式顯(xian)示水(shui)(shui)(shui)(shui)溫?水(shui)(shui)(shui)(shui)位(wei)(wei);全自動(dong)水(shui)(shui)(shui)(shui)位(wei)(wei)控制(zhi),水(shui)(shui)(shui)(shui)位(wei)(wei)低于(yu)規(gui)定(ding)值(zhi)報警并自動(dong)上(shang)(shang)(shang)水(shui)(shui)(shui)(shui),上(shang)(shang)(shang)水(shui)(shui)(shui)(shui)到規(gui)定(ding)水(shui)(shui)(shui)(shui)位(wei)(wei)時(shi)自動(dong)停止上(shang)(shang)(shang)水(shui)(shui)(shui)(shui)(水(shui)(shui)(shui)(shui)位(wei)(wei)的上(shang)(shang)(shang)限可由用(yong)(yong)(yong)戶(hu)(hu)自行(xing)設(she)定(ding)?設(she)定(ding)參數(shu)具有斷(duan)電保護,重新(xin)上(shang)(shang)(shang)電不需要用(yong)(yong)(yong)戶(hu)(hu)再設(she)定(ding));水(shui)(shui)(shui)(shui)位(wei)(wei)界于(yu)高低水(shui)(shui)(shui)(shui)位(wei)(wei)之間時(shi),可以通過觸(chu)摸鍵手(shou)動(dong)上(shang)(shang)(shang)水(shui)(shui)(shui)(shui)?停水(shui)(shui)(shui)(shui);當水(shui)(shui)(shui)(shui)壓(ya)(ya)不足時(shi),自動(dong)控制(zhi)增壓(ya)(ya)泵(beng)投入(ru)工作,避免(mian)因水(shui)(shui)(shui)(shui)壓(ya)(ya)不足導致上(shang)(shang)(shang)水(shui)(shui)(shui)(shui)失敗(bai);全自動(dong)的溫度控制(zhi),禁止高溫空曬(shai)后進水(shui)(shui)(shui)(shui),可以防止真空管因突然注入(ru)冷水(shui)(shui)(shui)(shui)而爆裂?

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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)(xin)號有(you):6個(ge)(ge)(ge)液位(wei)(wei)(wei)信(xin)(xin)(xin)號?1個(ge)(ge)(ge)溫度信(xin)(xin)(xin)號?4個(ge)(ge)(ge)觸摸鍵;輸(shu)(shu)出(chu)信(xin)(xin)(xin)號有(you):4位(wei)(wei)(wei)LED數(shu)碼管(guan)分時(shi)顯示(shi)當前溫度和液位(wei)(wei)(wei),3個(ge)(ge)(ge)位(wei)(wei)(wei)輸(shu)(shu)出(chu)控(kong)制繼電(dian)器分別控(kong)制上(shang)(shang)水(shui)電(dian)磁(ci)閥?加(jia)(jia)熱(re)泵(beng)?增壓泵(beng),1個(ge)(ge)(ge)位(wei)(wei)(wei)輸(shu)(shu)出(chu)控(kong)制蜂鳴器作為低水(shui)位(wei)(wei)(wei)報警(jing)信(xin)(xin)(xin)號和其他異常情況(kuang)報警(jing),2個(ge)(ge)(ge)位(wei)(wei)(wei)輸(shu)(shu)出(chu)指示(shi)上(shang)(shang)水(shui)?加(jia)(jia)熱(re)狀態(tai)?用(yong)(yong)戶設(she)定項目有(you)水(shui)位(wei)(wei)(wei)上(shang)(shang)限?熱(re)水(shui)溫度?上(shang)(shang)水(shui)定時(shi)?加(jia)(jia)熱(re)定時(shi)?設(she)定參數(shu)用(yong)(yong)EEPROM保(bao)存(cun),停(ting)(ting)電(dian)后參數(shu)無需重新設(she)定?系統具有(you)故(gu)障自檢功能(neng),電(dian)磁(ci)閥?加(jia)(jia)壓泵(beng)在停(ting)(ting)水(shui)時(shi)會自動切斷,水(shui)位(wei)(wei)(wei)傳(chuan)感(gan)器有(you)故(gu)障時(shi)禁止上(shang)(shang)水(shui),以免上(shang)(shang)水(shui)時(shi)溢出(chu)?

液(ye)位傳感(gan)器(qi)采用(yong)ATS173型霍爾元件(jian),若干霍爾元件(jian)固定(ding)在(zai)一(yi)(yi)(yi)個(ge)垂直導槽(cao)上,浮子帶動磁(ci)鋼沿導槽(cao)移(yi)動,霍爾元件(jian)的(de)(de)(de)(de)(de)輸(shu)出經過一(yi)(yi)(yi)個(ge)電(dian)(dian)阻網絡轉換(huan)成不同的(de)(de)(de)(de)(de)電(dian)(dian)壓,經ADC通道(dao)送入(ru)MCU?這樣(yang),僅用(yong)一(yi)(yi)(yi)個(ge)ADC通道(dao)可以(yi)實(shi)現多路(lu)(lu)數字信(xin)(xin)號的(de)(de)(de)(de)(de)輸(shu)入(ru)?溫度傳感(gan)器(qi)采用(yong)負溫度(NTC)型通用(yong)熱敏電(dian)(dian)阻,信(xin)(xin)號經另一(yi)(yi)(yi)路(lu)(lu)ADC輸(shu)入(ru)MCU?保存設定(ding)參數的(de)(de)(de)(de)(de)EEPROM采用(yong)HT93LC46,采用(yong)串行方式與MCU接(jie)口,整個(ge)控制(zhi)(zhi)器(qi)的(de)(de)(de)(de)(de)硬件(jian)及對MCU的(de)(de)(de)(de)(de)資源要(yao)求降到最低(di)?MCU根據檢測(ce)到的(de)(de)(de)(de)(de)水(shui)位信(xin)(xin)號?水(shui)箱溫度信(xin)(xin)號,以(yi)及用(yong)戶(hu)的(de)(de)(de)(de)(de)設定(ding)或操作(zuo),通過軟件(jian)進行數值計算(suan)和邏輯運算(suan),以(yi)確定(ding)當前(qian)應(ying)該進行的(de)(de)(de)(de)(de)操作(zuo),并通過輸(shu)出口控制(zhi)(zhi)進水(shui)閥?加壓泵?加熱泵的(de)(de)(de)(de)(de)狀(zhuang)態(tai),以(yi)實(shi)現要(yao)求的(de)(de)(de)(de)(de)控制(zhi)(zhi)功能?由于(yu)SN8P1706的(de)(de)(de)(de)(de)I/O口驅動能力可高(gao)達15mA,采用(yong)高(gao)亮度的(de)(de)(de)(de)(de)LED顯示無須再使用(yong)驅動器(qi)件(jian),可以(yi)由SN8P1706的(de)(de)(de)(de)(de)I/O口直接(jie)驅動?

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為(wei)目前性(xing)能價格比最高的方(fang)案之一(yi)?它不但(dan)可以被熱(re)水(shui)器生(sheng)產廠家直接采用,也(ye)可以供電子設計(ji)愛好者設計(ji)制作參考?

控(kong)(kong)制器的操作(zuo)使(shi)用方式(shi)自然合理?S1用來切(qie)換操作(zuo)狀(zhuang)態?控(kong)(kong)制器有(you)“直接控(kong)(kong)制”和(he)“參(can)數(shu)修改”兩種工作(zuo)狀(zhuang)態?按S1鍵(jian)顯(xian)示“00”,控(kong)(kong)制器進入“直接控(kong)(kong)制”狀(zhuang)態,顯(xian)示“01”?“02”?“03”?“04”分別表示“設(she)定(ding)(ding)水(shui)位上限”?“設(she)定(ding)(ding)定(ding)(ding)時(shi)上水(shui)時(shi)間”?“設(she)定(ding)(ding)定(ding)(ding)時(shi)加熱(re)時(shi)間”?“設(she)定(ding)(ding)加熱(re)溫(wen)度”?

進入(ru)“參(can)數(shu)修(xiu)(xiu)(xiu)改”狀態后,S2?S3用(yong)來修(xiu)(xiu)(xiu)改規定(ding)的參(can)數(shu),S1接(jie)受本次(ci)(ci)修(xiu)(xiu)(xiu)改,并切換到下一個(ge)參(can)數(shu),S4取消本次(ci)(ci)修(xiu)(xiu)(xiu)改?進入(ru)“直(zhi)(zhi)接(jie)控制(zhi)”后,S2用(yong)來手動上(shang)水(shui),S3用(yong)來手動加熱,S4用(yong)來停止加熱或上(shang)水(shui);若水(shui)位已經超(chao)過(guo)設定(ding)水(shui)位上(shang)限,或水(shui)溫(wen)已經超(chao)過(guo)設定(ding)溫(wen)度,“直(zhi)(zhi)接(jie)控制(zhi)”將不(bu)起作用(yong)?

設定水位上限:控制器可以(yi)監測6個水(shui)位(wei),上限(xian)水(shui)位(wei)可以(yi)由(you)用戶設(she)置,水(shui)位(wei)上限(xian)設(she)置范(fan)圍為(wei)位(wei)置3?4?5?6?

設定定時上水時間:每天在規定(ding)時間檢(jian)查水位,并上(shang)滿(man)?若設(she)定(ding)時間為00或大于(yu)等于(yu)24,則取消自(zi)動定(ding)時上(shang)水?

設定定時加熱時間:每(mei)天在(zai)規(gui)定(ding)時(shi)間檢查水(shui)(shui)溫(wen),若水(shui)(shui)溫(wen)低于設定(ding)溫(wen)度(du)(du),則(ze)接(jie)通電加(jia)熱(re)(re)器,將水(shui)(shui)溫(wen)加(jia)熱(re)(re)到設定(ding)溫(wen)度(du)(du)?若設定(ding)時(shi)間為00或大(da)于等于24,則(ze)取消自(zi)動定(ding)時(shi)加(jia)熱(re)(re)?

設定加熱溫度:定時加熱溫度也可(ke)以由(you)用戶設定,可(ke)設定范(fan)圍為20℃~60℃?