本申請(qing)涉及燃氣壁掛(gua)爐等燃氣設備領域(yu),尤其涉及一種繼電器控制高壓脈(mo)沖的點(dian)火驅動(dong)電路。
背景技術:
1、在燃(ran)氣燃(ran)燒設(she)備啟動階段,需(xu)通(tong)過點(dian)(dian)(dian)火(huo)(huo)(huo)(huo)針的尖端放電(dian)產(chan)生瞬間高(gao)壓電(dian)火(huo)(huo)(huo)(huo)花將預混燃(ran)氣點(dian)(dian)(dian)燃(ran)。通(tong)常(chang)(chang)采用離子火(huo)(huo)(huo)(huo)焰(yan)檢測設(she)備判斷燃(ran)氣是否點(dian)(dian)(dian)燃(ran),若點(dian)(dian)(dian)燃(ran)則停止點(dian)(dian)(dian)火(huo)(huo)(huo)(huo),若未點(dian)(dian)(dian)燃(ran)則繼(ji)續(xu)(xu)重復(fu)之前的點(dian)(dian)(dian)火(huo)(huo)(huo)(huo)動作。點(dian)(dian)(dian)火(huo)(huo)(huo)(huo)動作需(xu)持續(xu)(xu)到燃(ran)氣在壁掛爐(lu)爐(lu)膛內穩定(ding)燃(ran)燒為止,通(tong)常(chang)(chang)會(hui)持續(xu)(xu)3-5秒左右。整個點(dian)(dian)(dian)火(huo)(huo)(huo)(huo)過程可結合(he)控(kong)制器(qi)實現(xian)全自動化(hua)燃(ran)燒控(kong)制的功(gong)能,點(dian)(dian)(dian)火(huo)(huo)(huo)(huo)異(yi)(yi)常(chang)(chang)可反饋告警和異(yi)(yi)常(chang)(chang)提示。
2、目前燃(ran)氣壁掛爐通常采用(yong)的(de)點火(huo)電(dian)(dian)路(lu)主要有兩種:一種是(shi)將點火(huo)電(dian)(dian)路(lu)集成(cheng)到控制板上,該電(dian)(dian)路(lu)將低電(dian)(dian)壓(ya)經過驅(qu)動電(dian)(dian)路(lu)變(bian)壓(ya)器(qi)變(bian)換(huan)成(cheng)100-200v電(dian)(dian)壓(ya),再經過驅(qu)動變(bian)壓(ya)器(qi)變(bian)換(huan)為十幾kv高(gao)壓(ya)進行(xing)尖(jian)端放電(dian)(dian)點火(huo),該電(dian)(dian)路(lu)較(jiao)為復雜,需使用(yong)多(duo)組變(bian)壓(ya)器(qi),電(dian)(dian)路(lu)成(cheng)本較(jiao)高(gao),且對內部控制電(dian)(dian)路(lu)的(de)干擾性較(jiao)大;另一種是(shi)搭配獨(du)立(li)的(de)點火(huo)模塊,將電(dian)(dian)子點火(huo)電(dian)(dian)路(lu)和(he)器(qi)件封裝成(cheng)獨(du)立(li)的(de)模塊,與控制器(qi)連(lian)接后控制點火(huo),此點火(huo)方式成(cheng)本較(jiao)高(gao)。
3、專利號cn219199259u公開了一(yi)(yi)種數字(zi)式脈沖(chong)點(dian)火電(dian)(dian)(dian)(dian)路(lu)(lu),其(qi)電(dian)(dian)(dian)(dian)路(lu)(lu)包(bao)括(kuo)供電(dian)(dian)(dian)(dian)控制(zhi)電(dian)(dian)(dian)(dian)路(lu)(lu)、點(dian)火控制(zhi)電(dian)(dian)(dian)(dian)路(lu)(lu)、自激振(zhen)蕩升(sheng)壓(ya)(ya)電(dian)(dian)(dian)(dian)路(lu)(lu)、高壓(ya)(ya)包(bao)初級(ji)電(dian)(dian)(dian)(dian)路(lu)(lu)、控制(zhi)模塊(kuai)、觸發電(dian)(dian)(dian)(dian)路(lu)(lu)和電(dian)(dian)(dian)(dian)壓(ya)(ya)采集電(dian)(dian)(dian)(dian)路(lu)(lu),通過(guo)低(di)壓(ya)(ya)供電(dian)(dian)(dian)(dian)再(zai)經過(guo)三極管(guan)電(dian)(dian)(dian)(dian)阻使用pwm產生振(zhen)蕩波形,再(zai)經過(guo)變壓(ya)(ya)器轉換成(cheng)電(dian)(dian)(dian)(dian)壓(ya)(ya)為(wei)一(yi)(yi)百多v;然后(hou)再(zai)通過(guo)二極管(guan),電(dian)(dian)(dian)(dian)容,觸發模塊(kuai),變壓(ya)(ya)器變為(wei)十幾kv的高壓(ya)(ya)連接到點(dian)火針進行(xing)(xing)點(dian)火操(cao)作;其(qi)缺點(dian)為(wei)1.需要低(di)壓(ya)(ya)供電(dian)(dian)(dian)(dian),且需要控制(zhi)模塊(kuai)給脈沖(chong)波形,占用主(zhu)控芯片資源,2.需要使用兩個變壓(ya)(ya)器進行(xing)(xing)轉換,成(cheng)本(ben)較(jiao)高;3.整個電(dian)(dian)(dian)(dian)路(lu)(lu)單一(yi)(yi)功能(neng)實現較(jiao)為(wei)復雜浪費空間(jian)成(cheng)本(ben);4.另外使用低(di)壓(ya)(ya)端控制(zhi)變壓(ya)(ya)器初級(ji)與后(hou)級(ji)端未進行(xing)(xing)有效隔離,導致在(zai)運行(xing)(xing)期間(jian)會形成(cheng)干擾(rao)問題。
4、專(zhuan)利號cn115614774a公(gong)開了一種(zhong)集成(cheng)(cheng)灶(zao)(zao)脈沖(chong)點火器,運用(yong)在(zai)集成(cheng)(cheng)灶(zao)(zao)場景(jing)中與本實用(yong)新(xin)型運用(yong)場景(jing)不同,且其專(zhuan)利整體(ti)電路較(jiao)為(wei)復雜導(dao)致成(cheng)(cheng)本加大。
5、現有(you)(you)燃氣壁(bi)掛爐點火電路(lu)容易(yi)受到(dao)的(de)影響有(you)(you):1.天氣潮濕時或(huo)者接(jie)地不(bu)良時會導致點火產(chan)生的(de)高壓對后續(xu)低(di)壓部分(fen)電路(lu)產(chan)生脈沖(chong)干擾(rao)嚴重時會出現運行異常;2.現有(you)(you)低(di)壓點火模塊成本較大;3.需要考慮實時整機安裝問(wen)題客戶需要指定廠(chang)家單獨購(gou)買,供應(ying)鏈單一。
技術實現思路
1、為了解決(jue)上述(shu)問題,本申請提供一種繼(ji)電(dian)(dian)(dian)器控(kong)制高壓(ya)脈(mo)沖的點(dian)火驅動(dong)電(dian)(dian)(dian)路(lu),包(bao)括:主(zhu)控(kong)單片(pian)機(ji)、達林頓(dun)管、市電(dian)(dian)(dian)處(chu)理電(dian)(dian)(dian)路(lu)、繼(ji)電(dian)(dian)(dian)器、脈(mo)沖驅動(dong)電(dian)(dian)(dian)路(lu)、變壓(ya)器t2以及點(dian)火針;
2、所(suo)(suo)(suo)述(shu)(shu)(shu)主控單片(pian)機(ji)連(lian)接(jie)(jie)(jie)所(suo)(suo)(suo)述(shu)(shu)(shu)達(da)林頓管;所(suo)(suo)(suo)述(shu)(shu)(shu)達(da)林頓管連(lian)接(jie)(jie)(jie)所(suo)(suo)(suo)述(shu)(shu)(shu)繼電(dian)(dian)器;所(suo)(suo)(suo)述(shu)(shu)(shu)繼電(dian)(dian)器連(lian)接(jie)(jie)(jie)所(suo)(suo)(suo)述(shu)(shu)(shu)脈(mo)沖(chong)驅動電(dian)(dian)路(lu)(lu);所(suo)(suo)(suo)述(shu)(shu)(shu)脈(mo)沖(chong)驅動電(dian)(dian)路(lu)(lu)連(lian)接(jie)(jie)(jie)所(suo)(suo)(suo)述(shu)(shu)(shu)變(bian)壓器t2;所(suo)(suo)(suo)述(shu)(shu)(shu)變(bian)壓器t2連(lian)接(jie)(jie)(jie)所(suo)(suo)(suo)述(shu)(shu)(shu)點(dian)火針;所(suo)(suo)(suo)述(shu)(shu)(shu)市(shi)電(dian)(dian)處理電(dian)(dian)路(lu)(lu)連(lian)接(jie)(jie)(jie)所(suo)(suo)(suo)述(shu)(shu)(shu)繼電(dian)(dian)器以及所(suo)(suo)(suo)述(shu)(shu)(shu)脈(mo)沖(chong)驅動電(dian)(dian)路(lu)(lu);
3、所(suo)述市電(dian)處(chu)理(li)電(dian)路用于對輸入的220伏市電(dian)電(dian)流進行處(chu)理(li),在將(jiang)處(chu)理(li)后的電(dian)流接入所(suo)述繼電(dian)器;
4、所(suo)述主控單片(pian)機控制所(suo)述達林(lin)頓管驅(qu)動(dong)所(suo)述繼(ji)(ji)電器,通過(guo)繼(ji)(ji)電器控制市電電源的(de)開關;電流經(jing)過(guo)所(suo)述脈(mo)沖驅(qu)動(dong)電路產(chan)(chan)生正弦脈(mo)沖,輸入至所(suo)述變壓器t2,變壓器t2輸出的(de)高壓經(jing)過(guo)所(suo)述點(dian)火(huo)針進行(xing)尖端放(fang)電,產(chan)(chan)生能量使可燃(ran)氣體(ti)點(dian)火(huo)燃(ran)燒。
5、可選(xuan)的(de),所(suo)述達林頓(dun)管(guan)的(de)型(xing)號為uln2003a。
6、可選的,所述繼電器(qi)的型(xing)號(hao)為a1-v-1-12ha2f。
7、可選的,所述脈沖驅(qu)動電(dian)路(lu)包(bao)括:充電(dian)電(dian)路(lu)、整(zheng)流器、高壓雙(shuang)向(xiang)觸發二極(ji)管(guan)、電(dian)阻(zu)rx5、電(dian)阻(zu)rx6以及(ji)電(dian)容c73;
8、所述充電電路包(bao)括:電容c72、電阻rx3以及電阻rx4;
9、所(suo)(suo)述(shu)(shu)(shu)繼(ji)電(dian)(dian)(dian)(dian)器的(de)(de)第一輸出端(duan)(duan)連接所(suo)(suo)述(shu)(shu)(shu)電(dian)(dian)(dian)(dian)容(rong)c72的(de)(de)一端(duan)(duan)以及所(suo)(suo)述(shu)(shu)(shu)電(dian)(dian)(dian)(dian)阻(zu)rx3的(de)(de)一端(duan)(duan);所(suo)(suo)述(shu)(shu)(shu)電(dian)(dian)(dian)(dian)阻(zu)rx3的(de)(de)另(ling)一端(duan)(duan)連接所(suo)(suo)述(shu)(shu)(shu)電(dian)(dian)(dian)(dian)阻(zu)rx4的(de)(de)一端(duan)(duan);所(suo)(suo)述(shu)(shu)(shu)電(dian)(dian)(dian)(dian)阻(zu)rx4的(de)(de)另(ling)一端(duan)(duan)連接所(suo)(suo)述(shu)(shu)(shu)電(dian)(dian)(dian)(dian)容(rong)c72的(de)(de)另(ling)一端(duan)(duan)以及所(suo)(suo)述(shu)(shu)(shu)整(zheng)流器的(de)(de)第四端(duan)(duan)口(kou);
10、所(suo)(suo)(suo)述(shu)(shu)(shu)高壓雙(shuang)向(xiang)觸發二極(ji)管的(de)(de)(de)一端連(lian)接所(suo)(suo)(suo)述(shu)(shu)(shu)整流器(qi)的(de)(de)(de)第(di)一端口(kou)、所(suo)(suo)(suo)述(shu)(shu)(shu)電(dian)阻rx5的(de)(de)(de)一端以及所(suo)(suo)(suo)述(shu)(shu)(shu)電(dian)容c73的(de)(de)(de)一端;所(suo)(suo)(suo)述(shu)(shu)(shu)高壓雙(shuang)向(xiang)觸發二極(ji)管的(de)(de)(de)另一端連(lian)接所(suo)(suo)(suo)述(shu)(shu)(shu)整流器(qi)的(de)(de)(de)第(di)二端口(kou)連(lian)接所(suo)(suo)(suo)述(shu)(shu)(shu)變壓器(qi)t2的(de)(de)(de)第(di)二輸入(ru)端口(kou);
11、所(suo)述(shu)電(dian)阻rx5的(de)另一(yi)端(duan)(duan)連接(jie)所(suo)述(shu)電(dian)阻rx6的(de)一(yi)端(duan)(duan);所(suo)述(shu)電(dian)阻rx6的(de)另一(yi)端(duan)(duan)連接(jie)所(suo)述(shu)電(dian)容c73的(de)另一(yi)端(duan)(duan)以及所(suo)述(shu)變壓器t2的(de)第一(yi)輸(shu)入端(duan)(duan)口(kou)。
12、可選的(de),所(suo)述市(shi)電(dian)處(chu)理電(dian)路(lu)包(bao)括:ac-l市(shi)電(dian)電(dian)源(yuan)火線(xian)、ac-l市(shi)電(dian)電(dian)源(yuan)零(ling)線(xian)、安規電(dian)路(lu);
13、所述安規電路包(bao)括:保險電阻f1、電阻tr1、可調電阻vr2以及電容cx2;
14、所述保(bao)險電(dian)阻f1的(de)(de)一(yi)端(duan)連接ac-l市電(dian)電(dian)源(yuan)火線,另一(yi)端(duan)連接電(dian)阻tr1的(de)(de)一(yi)端(duan)以及(ji)可調電(dian)阻vr2的(de)(de)一(yi)端(duan);
15、所(suo)述(shu)可(ke)調(diao)電阻(zu)vr2的(de)另(ling)一(yi)端連接所(suo)述(shu)ac-l市電電源零線(xian)、所(suo)述(shu)電容cx2的(de)一(yi)端以(yi)及所(suo)述(shu)整流(liu)器(qi)的(de)第三端口;
16、所(suo)述(shu)電(dian)阻tr1的(de)(de)另一端(duan)連接所(suo)述(shu)電(dian)容(rong)cx2的(de)(de)另一端(duan)以及所(suo)述(shu)繼電(dian)器的(de)(de)第一輸入端(duan)。
17、可(ke)選的,所(suo)述主控單片機通過電(dian)阻rx10連接所(suo)述達(da)林頓管。
18、可選的(de)(de),所(suo)(suo)述(shu)電阻rx10一端(duan)(duan)連(lian)(lian)接(jie)所(suo)(suo)述(shu)主控(kong)單片機,另一端(duan)(duan)連(lian)(lian)接(jie)所(suo)(suo)述(shu)達林頓(dun)(dun)管的(de)(de)2號引(yin)腳(jiao);所(suo)(suo)述(shu)達林頓(dun)(dun)管的(de)(de)9號引(yin)腳(jiao)連(lian)(lian)接(jie)所(suo)(suo)述(shu)繼(ji)電器的(de)(de)第二輸(shu)入端(duan)(duan),所(suo)(suo)述(shu)達林頓(dun)(dun)管的(de)(de)15號引(yin)腳(jiao)連(lian)(lian)接(jie)所(suo)(suo)述(shu)繼(ji)電器的(de)(de)第二輸(shu)出端(duan)(duan)。
19、一種(zhong)燃氣壁掛爐(lu),包括以上所述的(de)一種(zhong)繼(ji)電(dian)器(qi)控制高壓脈(mo)沖的(de)點火驅(qu)動電(dian)路。
20、本申(shen)請提供的(de)技術方案帶(dai)來(lai)的(de)有益效果是:
21、1.通(tong)過主控(kong)單(dan)片機(ji)的(de)引(yin)腳控(kong)制達林頓管,從而控(kong)制繼電(dian)(dian)(dian)器(qi)的(de)開合(he),實現遠程自動化控(kong)制的(de)功能,有效節省空(kong)間,繼電(dian)(dian)(dian)器(qi)可以有效進行(xing)(xing)隔離,降低(di)電(dian)(dian)(dian)路對其他電(dian)(dian)(dian)路的(de)干(gan)擾(rao),安全性更高(gao)。將市電(dian)(dian)(dian)電(dian)(dian)(dian)源(yuan)作為主要產(chan)生(sheng)脈(mo)(mo)(mo)沖(chong)的(de)電(dian)(dian)(dian)源(yuan),經過脈(mo)(mo)(mo)沖(chong)驅動電(dian)(dian)(dian)路產(chan)生(sheng)交互(hu)脈(mo)(mo)(mo)沖(chong)信號,再經過變壓(ya)(ya)器(qi)t2產(chan)生(sheng)高(gao)壓(ya)(ya),通(tong)過點火(huo)針進行(xing)(xing)尖端放電(dian)(dian)(dian)。改進后的(de)電(dian)(dian)(dian)路結(jie)構(gou)簡單(dan),相較于(yu)常規使用(yong)兩路升(sheng)壓(ya)(ya)變壓(ya)(ya)器(qi)t2和外接式的(de)點火(huo)模塊的(de)方法,降低(di)了(le)設備成本,提高(gao)了(le)電(dian)(dian)(dian)源(yuan)利用(yong)率。
22、2.高(gao)壓(ya)(ya)脈沖(chong)驅動電(dian)路使(shi)用整流器(qi)配合電(dian)阻、電(dian)容及高(gao)壓(ya)(ya)觸發二極管形成簡單(dan)震蕩(dang)脈沖(chong)信(xin)號,流經(jing)變壓(ya)(ya)器(qi)t2,整個電(dian)路元(yuan)器(qi)件變少(shao),成本(ben)(ben)大大降(jiang)低,解決傳統使(shi)用兩個變壓(ya)(ya)器(qi)t2或(huo)者分(fen)離(li)式(shi)點火模塊成本(ben)(ben)高(gao)的問(wen)題。
23、3.在市電(dian)(dian)(dian)電(dian)(dian)(dian)源后設置安規(gui)電(dian)(dian)(dian)路(lu),對后級電(dian)(dian)(dian)路(lu)進行安全(quan)保護,高(gao)效可靠,解決了前級ac市電(dian)(dian)(dian)電(dian)(dian)(dian)源的(de)電(dian)(dian)(dian)磁兼(jian)容性問題。
1.一種(zhong)繼電(dian)(dian)器(qi)控制(zhi)高(gao)壓(ya)脈沖(chong)的點(dian)火(huo)驅(qu)動電(dian)(dian)路(lu),其特(te)征在于,包括:主(zhu)控單片機(ji)、達林頓管、市電(dian)(dian)處理(li)電(dian)(dian)路(lu)、繼電(dian)(dian)器(qi)、脈沖(chong)驅(qu)動電(dian)(dian)路(lu)、變壓(ya)器(qi)以及點(dian)火(huo)針;
2.如權(quan)利要(yao)求1所述(shu)的一種(zhong)繼電器控制高壓(ya)脈沖的點火驅動(dong)電路,其(qi)特征在于,所述(shu)達林頓(dun)管的型號為uln2003a。
3.如權利要求1所述(shu)的(de)一種繼(ji)(ji)電器控制(zhi)高壓脈沖的(de)點火驅動電路,其(qi)特征在于,所述(shu)繼(ji)(ji)電器的(de)型(xing)號為a1-v-1-12ha2f。
4.如權利(li)要求1所(suo)述的(de)一種繼電(dian)(dian)(dian)(dian)器控制高壓脈沖(chong)的(de)點(dian)火驅動電(dian)(dian)(dian)(dian)路(lu),其特(te)征在于(yu),所(suo)述脈沖(chong)驅動電(dian)(dian)(dian)(dian)路(lu)包(bao)括:充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)路(lu)、整流(liu)器、高壓雙向觸發二極管、電(dian)(dian)(dian)(dian)阻rx5、電(dian)(dian)(dian)(dian)阻rx6以(yi)及電(dian)(dian)(dian)(dian)容c73;
5.如(ru)權(quan)利要求4所述(shu)的(de)一種繼電(dian)器控制高壓脈(mo)沖(chong)的(de)點火驅動(dong)電(dian)路,其特征(zheng)在于,所述(shu)市電(dian)處理電(dian)路包括:ac-l市電(dian)電(dian)源(yuan)火線(xian)、ac-l市電(dian)電(dian)源(yuan)零線(xian)、安(an)規電(dian)路;
6.如權利要求2所(suo)述的一種繼(ji)電器控制高壓脈(mo)沖(chong)的點(dian)火驅(qu)動電路,其特(te)征在于,所(suo)述主控單(dan)片(pian)機通過(guo)電阻(zu)rx10連接所(suo)述達林頓管。
7.如權(quan)利要(yao)求6所述(shu)(shu)(shu)的一種繼(ji)(ji)電器(qi)控(kong)制高壓脈沖的點火驅動電路,其特征在(zai)于,所述(shu)(shu)(shu)電阻rx10一端(duan)連接所述(shu)(shu)(shu)主控(kong)單片機,另一端(duan)連接所述(shu)(shu)(shu)達(da)林頓(dun)管(guan)的2號(hao)引(yin)腳;所述(shu)(shu)(shu)達(da)林頓(dun)管(guan)的9號(hao)引(yin)腳連接所述(shu)(shu)(shu)繼(ji)(ji)電器(qi)的第二輸入(ru)端(duan),所述(shu)(shu)(shu)達(da)林頓(dun)管(guan)的15號(hao)引(yin)腳連接所述(shu)(shu)(shu)繼(ji)(ji)電器(qi)的第二輸出(chu)端(duan)。
8.一(yi)(yi)種(zhong)燃氣壁掛爐,其(qi)特征在于,包(bao)括如權利(li)要求1-7任意一(yi)(yi)項所(suo)述(shu)的(de)(de)一(yi)(yi)種(zhong)繼電器控制高壓脈沖的(de)(de)點火驅動電路(lu)。