本發明涉(she)及led電路，具體(ti)而言，涉(she)及一種用(yong)于汽車車燈的(de)led驅動電路。

背景技術：

1、隨著led車燈的(de)發展，led車燈的(de)滲(shen)透率逐年增高，led生產(chan)過(guo)程中由(you)于生產(chan)工藝材料特性必然產(chan)生不同的(de)bin區，這就導致(zhi)led單bin供(gong)(gong)貨(huo)(huo)時(shi)保供(gong)(gong)風險增加，供(gong)(gong)貨(huo)(huo)成本增高；同時(shi)為滿(man)足不同亮(liang)度bin燈具(ju)亮(liang)度一(yi)致(zhi)性，led的(de)bin管(guan)控(kong)設(she)計(ji)也是至關重要(yao)的(de)。采用單片機(ji)(ji)bin管(guan)控(kong)方(fang)案，需要(yao)通過(guo)軟件(jian)實(shi)現bin管(guan)控(kong)，增加了軟件(jian)開(kai)發成本和(he)單片機(ji)(ji)物料成本；而(er)采用led驅動芯(xin)片bin管(guan)控(kong)方(fang)案，led驅動芯(xin)片價(jia)格(ge)較高。

技術實現思路

1、本發明解決的問題(ti)是保證不同bin區燈(deng)具亮度一致性時，管(guan)控成(cheng)本較高(gao)。

2、為解決上述(shu)(shu)(shu)(shu)(shu)(shu)問題(ti)，本(ben)發明提(ti)供一(yi)種用于(yu)(yu)汽車車燈的(de)(de)led驅(qu)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)led驅(qu)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路包(bao)括(kuo)：電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)；輸(shu)(shu)(shu)入濾(lv)波(bo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)輸(shu)(shu)(shu)入濾(lv)波(bo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路連(lian)(lian)接(jie)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)；穩壓(ya)(ya)(ya)器(qi)(qi)，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)穩壓(ya)(ya)(ya)器(qi)(qi)與所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)輸(shu)(shu)(shu)入濾(lv)波(bo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路并聯，位于(yu)(yu)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)輸(shu)(shu)(shu)入濾(lv)波(bo)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路遠離所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)的(de)(de)一(yi)端；bin管(guan)理(li)(li)模塊，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)bin管(guan)理(li)(li)模塊連(lian)(lian)接(jie)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)穩壓(ya)(ya)(ya)器(qi)(qi)，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)bin管(guan)理(li)(li)模塊包(bao)括(kuo)：運算放大器(qi)(qi)、分(fen)(fen)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)、分(fen)(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)和采(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)和所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)串聯，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)運算放大器(qi)(qi)的(de)(de)同相(xiang)輸(shu)(shu)(shu)入端連(lian)(lian)接(jie)于(yu)(yu)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)壓(ya)(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)和所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)之(zhi)間(jian)，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)采(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)和所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)并聯；恒流(liu)(liu)(liu)驅(qu)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)恒流(liu)(liu)(liu)驅(qu)動電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)路的(de)(de)一(yi)端連(lian)(lian)接(jie)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)運算放大器(qi)(qi)的(de)(de)輸(shu)(shu)(shu)出端，另(ling)一(yi)端通(tong)過連(lian)(lian)接(jie)器(qi)(qi)連(lian)(lian)接(jie)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)運算放大器(qi)(qi)的(de)(de)同相(xiang)輸(shu)(shu)(shu)入端；led光源(yuan)(yuan)(yuan)板，包(bao)括(kuo)led負(fu)載(zai)和bin電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)led負(fu)載(zai)連(lian)(lian)接(jie)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)(yuan)，所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)bin電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)與所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)分(fen)(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)并聯；其中(zhong)，bin電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)提(ti)供所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)運算放大器(qi)(qi)的(de)(de)參考電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)，從而改變(bian)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)采(cai)樣(yang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)(ya)實(shi)現(xian)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)led負(fu)載(zai)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)調節(jie)，實(shi)現(xian)所(suo)(suo)(suo)(suo)(suo)(suo)述(shu)(shu)(shu)(shu)(shu)(shu)bin電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)(zu)(zu)(zu)的(de)(de)管(guan)控。

3、采(cai)用(yong)該技術(shu)(shu)方案后(hou)所(suo)達到(dao)的(de)(de)技術(shu)(shu)效果：本發(fa)明(ming)用(yong)于(yu)汽車車燈，實(shi)現低成(cheng)本高精度的(de)(de)低邊(bian)驅(qu)(qu)動(dong)(dong)，具有非板(ban)載bin管(guan)控(kong)的(de)(de)led驅(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)。在(zai)該led驅(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)中，電(dian)(dian)(dian)(dian)(dian)(dian)源輸(shu)入電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)，經過輸(shu)入濾波電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)，連接led光(guang)源板(ban)，從恒流(liu)(liu)(liu)驅(qu)(qu)動(dong)(dong)電(dian)(dian)(dian)(dian)(dian)(dian)路(lu)(lu)回(hui)到(dao)電(dian)(dian)(dian)(dian)(dian)(dian)源負(fu)極(ji)，形成(cheng)完整的(de)(de)一(yi)個回(hui)路(lu)(lu)；在(zai)此基礎上，設置bin管(guan)理模(mo)(mo)塊可(ke)以管(guan)控(kong)bin電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)，具體而言，采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)用(yong)于(yu)采(cai)樣(yang)(yang)bin電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，bin電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)通過分(fen)壓(ya)(ya)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)分(fen)壓(ya)(ya)以及分(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)分(fen)流(liu)(liu)(liu)后(hou)，其提(ti)供了運算放大器的(de)(de)參考電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)，使采(cai)樣(yang)(yang)電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)(ya)和led負(fu)載的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)(liu)(liu)產生關聯，因此只設置bin?管(guan)理模(mo)(mo)塊即可(ke)調(diao)節(jie)bin電(dian)(dian)(dian)(dian)(dian)(dian)阻(zu)的(de)(de)管(guan)控(kong)，使得管(guan)控(kong)成(cheng)本降低，無需單片(pian)或(huo)軟件(jian)開發(fa)或(huo)購買高額的(de)(de)led驅(qu)(qu)動(dong)(dong)芯(xin)片(pian)，便(bian)于(yu)保證不同bin區燈具亮度一(yi)致性。

4、進一(yi)(yi)步的(de)(de)，所(suo)(suo)述(shu)(shu)恒(heng)流驅動電路包括第一(yi)(yi)三極(ji)(ji)(ji)(ji)管(guan)、led接(jie)口(kou)；所(suo)(suo)述(shu)(shu)運算放大器的(de)(de)輸出端(duan)(duan)連接(jie)所(suo)(suo)述(shu)(shu)第一(yi)(yi)三極(ji)(ji)(ji)(ji)管(guan)的(de)(de)基極(ji)(ji)(ji)(ji)，所(suo)(suo)述(shu)(shu)第一(yi)(yi)三極(ji)(ji)(ji)(ji)管(guan)的(de)(de)集電極(ji)(ji)(ji)(ji)連接(jie)所(suo)(suo)述(shu)(shu)led接(jie)口(kou)，所(suo)(suo)述(shu)(shu)第一(yi)(yi)三極(ji)(ji)(ji)(ji)管(guan)的(de)(de)發(fa)射(she)極(ji)(ji)(ji)(ji)連接(jie)所(suo)(suo)述(shu)(shu)運算放大器的(de)(de)反相輸入端(duan)(duan)。

5、采用該技術(shu)方案后所達(da)到(dao)的(de)技術(shu)效果：led光源板的(de)電(dian)(dian)流輸出至恒流驅動(dong)電(dian)(dian)路，即(ji)led接口(kou)電(dian)(dian)流向(xiang)第(di)一三(san)(san)極管的(de)集電(dian)(dian)極流動(dong)；第(di)一三(san)(san)極管例如為(wei)npn型三(san)(san)極管，第(di)一三(san)(san)極管接受到(dao)運算(suan)放(fang)(fang)大器的(de)輸出端的(de)正(zheng)電(dian)(dian)壓信號時，其集電(dian)(dian)極和(he)發射極導通，從而(er)調節發射極電(dian)(dian)壓。因此第(di)一?三(san)(san)極管起到(dao)放(fang)(fang)大和(he)開(kai)關的(de)作(zuo)用，?通過調整第(di)一三(san)(san)極管的(de)工(gong)作(zuo)狀態（?截(jie)止區、?放(fang)(fang)大區、?飽和(he)區）?，?可以實現對led負載的(de)控(kong)制。

6、進一步(bu)的(de)(de)，所(suo)述第一三極(ji)管的(de)(de)發射極(ji)和所(suo)述運算放大器的(de)(de)反相輸入端(duan)連接，并(bing)通過保護電阻(zu)接地(di)。

7、采用該技術方案后所達(da)到的技術效(xiao)果：保護電阻用于限制輸(shu)入偏置電流，提高共模抑制比(bi)，影響運(yun)算(suan)放(fang)大器的增益和頻率響應(ying)效(xiao)益。

8、進一(yi)步的，所述第一(yi)三極(ji)管的集(ji)電極(ji)和所述led接口(kou)之(zhi)間連(lian)接有(you)限(xian)流電阻。

9、采用該技術方(fang)案后所達到(dao)的(de)技術效果：限流電(dian)(dian)阻(zu)主(zhu)要(yao)作(zuo)(zuo)用是(shi)限制led負載(zai)的(de)電(dian)(dian)流，?保護電(dian)(dian)路(lu)免受過載(zai)損壞，?同(tong)時(shi)確保led負載(zai)能夠(gou)正(zheng)常工作(zuo)(zuo)。?當第(di)一三極(ji)管工作(zuo)(zuo)在飽和狀(zhuang)態(tai)時(shi)，?它可以實現恒定(ding)電(dian)(dian)流輸出，?這種(zhong)情況下，?集電(dian)(dian)極(ji)和led之間的(de)電(dian)(dian)阻(zu)就(jiu)尤為重要(yao)。限流電(dian)(dian)阻(zu)的(de)計算(suan)基于led燈(deng)的(de)正(zheng)向電(dian)(dian)壓和正(zheng)常工作(zuo)(zuo)電(dian)(dian)流，?選擇合適(shi)的(de)電(dian)(dian)阻(zu)阻(zu)值可以平衡(heng)放大倍(bei)數和電(dian)(dian)路(lu)穩定(ding)性，?同(tong)時(shi)保證(zheng)led燈(deng)的(de)正(zheng)常工作(zuo)(zuo)。?

10、進(jin)一步的，所述恒流驅動電路還包(bao)括：故障(zhang)指示(shi)引腳、二極(ji)管(guan)，所述故障(zhang)指示(shi)引腳的一端連(lian)接(jie)所述二極(ji)管(guan)的正極(ji)，所述二極(ji)管(guan)的負極(ji)連(lian)接(jie)于所述第一三極(ji)管(guan)的集電極(ji)和所述led接(jie)口之間。

11、采用該技(ji)術方案后所(suo)達(da)到的技(ji)術效(xiao)果(guo)：故障指示引(yin)腳用于檢測(ce)恒流驅動電路的故障信號。

12、進(jin)一步(bu)的(de)，所(suo)述(shu)(shu)(shu)(shu)bin管(guan)(guan)(guan)理模塊還包括：第(di)一電(dian)(dian)(dian)阻(zu)、第(di)二三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)和第(di)三(san)三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)，所(suo)述(shu)(shu)(shu)(shu)故(gu)障(zhang)指示引腳遠離(li)所(suo)述(shu)(shu)(shu)(shu)二極(ji)(ji)(ji)管(guan)(guan)(guan)的(de)一端(duan)連(lian)(lian)接(jie)(jie)所(suo)述(shu)(shu)(shu)(shu)第(di)二三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)的(de)基極(ji)(ji)(ji)，所(suo)述(shu)(shu)(shu)(shu)第(di)二三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)集(ji)電(dian)(dian)(dian)極(ji)(ji)(ji)通過第(di)一電(dian)(dian)(dian)阻(zu)連(lian)(lian)接(jie)(jie)所(suo)述(shu)(shu)(shu)(shu)電(dian)(dian)(dian)源(yuan)，所(suo)述(shu)(shu)(shu)(shu)第(di)三(san)三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)的(de)基極(ji)(ji)(ji)連(lian)(lian)接(jie)(jie)所(suo)述(shu)(shu)(shu)(shu)第(di)二三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)集(ji)電(dian)(dian)(dian)極(ji)(ji)(ji)和所(suo)述(shu)(shu)(shu)(shu)第(di)一電(dian)(dian)(dian)阻(zu)之(zhi)間(jian)，所(suo)述(shu)(shu)(shu)(shu)第(di)三(san)三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)的(de)發射極(ji)(ji)(ji)連(lian)(lian)接(jie)(jie)所(suo)述(shu)(shu)(shu)(shu)電(dian)(dian)(dian)源(yuan)，所(suo)述(shu)(shu)(shu)(shu)第(di)三(san)三(san)極(ji)(ji)(ji)管(guan)(guan)(guan)的(de)集(ji)電(dian)(dian)(dian)極(ji)(ji)(ji)連(lian)(lian)接(jie)(jie)所(suo)述(shu)(shu)(shu)(shu)分(fen)壓電(dian)(dian)(dian)阻(zu)，所(suo)述(shu)(shu)(shu)(shu)分(fen)流電(dian)(dian)(dian)阻(zu)遠離(li)所(suo)述(shu)(shu)(shu)(shu)分(fen)壓電(dian)(dian)(dian)阻(zu)的(de)一端(duan)接(jie)(jie)地(di)。

13、采用該技術方案后所達到(dao)的(de)技術效(xiao)果(guo)：電源一(yi)路給第(di)三(san)三(san)極(ji)(ji)(ji)管(guan)的(de)發(fa)射極(ji)(ji)(ji)直(zhi)接供(gong)(gong)電，另一(yi)路先(xian)給第(di)一(yi)電阻供(gong)(gong)電在(zai)流入第(di)三(san)三(san)極(ji)(ji)(ji)管(guan)的(de)基(ji)(ji)極(ji)(ji)(ji)，因此第(di)三(san)三(san)極(ji)(ji)(ji)管(guan)的(de)基(ji)(ji)極(ji)(ji)(ji)和發(fa)射極(ji)(ji)(ji)存在(zai)壓差，能夠(gou)控(kong)制(zhi)(zhi)發(fa)射極(ji)(ji)(ji)和集電極(ji)(ji)(ji)的(de)導通(tong)，從而使分壓電阻得(de)電；第(di)二三(san)極(ji)(ji)(ji)管(guan)用于接收故障指示引腳的(de)電流信號控(kong)制(zhi)(zhi)其(qi)發(fa)射極(ji)(ji)(ji)和集電極(ji)(ji)(ji)的(de)通(tong)斷。

14、進(jin)一(yi)步(bu)的，所(suo)(suo)述(shu)bin管理模(mo)塊還包括(kuo)：第二(er)(er)電阻，所(suo)(suo)述(shu)故障指(zhi)示引腳和所(suo)(suo)述(shu)二(er)(er)極管之間通過一(yi)支路連接所(suo)(suo)述(shu)第二(er)(er)電阻，所(suo)(suo)述(shu)第二(er)(er)電阻連接所(suo)(suo)述(shu)電源(yuan)。

15、采用該技術方案后(hou)所達(da)到的(de)技術效果：電(dian)源通過(guo)第二(er)電(dian)阻對所述(shu)故障指示引腳進行供電(dian)，從而產(chan)生朝向第二(er)三極管(guan)的(de)電(dian)流。

16、進一步的(de)，所(suo)(suo)述(shu)bin管(guan)理模塊還包括插(cha)接(jie)件，所(suo)(suo)述(shu)bin電(dian)(dian)(dian)阻(zu)(zu)(zu)連接(jie)所(suo)(suo)述(shu)插(cha)接(jie)件，所(suo)(suo)述(shu)bin電(dian)(dian)(dian)阻(zu)(zu)(zu)通過所(suo)(suo)述(shu)插(cha)接(jie)件上(shang)的(de)bin接(jie)口(kou)和接(jie)地接(jie)口(kou)實(shi)現其與所(suo)(suo)述(shu)分流電(dian)(dian)(dian)阻(zu)(zu)(zu)并聯；所(suo)(suo)述(shu)采樣電(dian)(dian)(dian)阻(zu)(zu)(zu)連接(jie)所(suo)(suo)述(shu)bin接(jie)口(kou)。

17、采(cai)用(yong)該技(ji)術方案后所達到的(de)技(ji)術效果(guo)：采(cai)樣電(dian)(dian)(dian)(dian)阻采(cai)用(yong)小電(dian)(dian)(dian)(dian)阻，用(yong)于檢(jian)測流(liu)過(guo)bin電(dian)(dian)(dian)(dian)阻的(de)電(dian)(dian)(dian)(dian)流(liu)；調節bin電(dian)(dian)(dian)(dian)阻時，由于bin電(dian)(dian)(dian)(dian)阻和分(fen)流(liu)電(dian)(dian)(dian)(dian)阻并聯，再與分(fen)壓(ya)(ya)電(dian)(dian)(dian)(dian)阻串聯，因此可以調節分(fen)壓(ya)(ya)電(dian)(dian)(dian)(dian)阻的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)，分(fen)壓(ya)(ya)電(dian)(dian)(dian)(dian)阻的(de)電(dian)(dian)(dian)(dian)壓(ya)(ya)作(zuo)為運算放大器的(de)參考電(dian)(dian)(dian)(dian)壓(ya)(ya)，實(shi)現了所述bin電(dian)(dian)(dian)(dian)阻的(de)管(guan)控。

18、進一(yi)步的，所述穩壓器(qi)包括第一(yi)電源(yuan)接(jie)(jie)口(kou)，所述第一(yi)電源(yuan)接(jie)(jie)口(kou)連接(jie)(jie)所述輸入濾波電路(lu)。

19、采(cai)用該技術(shu)方案后(hou)所達(da)到的技術(shu)效果(guo)：穩壓器用于穩定電(dian)(dian)(dian)源輸出(chu)的電(dian)(dian)(dian)壓，例如提(ti)供(gong)穩定的5v電(dian)(dian)(dian)壓給第二三極(ji)管供(gong)電(dian)(dian)(dian)。

20、進一步的，所(suo)述輸入(ru)濾波電(dian)路包括：控制芯(xin)(xin)(xin)片(pian)，控制芯(xin)(xin)(xin)片(pian)的第(di)(di)一端接地，控制芯(xin)(xin)(xin)片(pian)的第(di)(di)二端連接所(suo)述電(dian)源的正極，所(suo)述第(di)(di)一端和所(suo)述第(di)(di)二端并(bing)聯有多個(ge)電(dian)容和至少一個(ge)保護(hu)元件。

21、采用該技術方案后所達到的(de)技術效果(guo)：在(zai)輸入濾(lv)波(bo)電(dian)(dian)(dian)路中(zhong)，電(dian)(dian)(dian)容(rong)的(de)隔(ge)(ge)直(zhi)通交(jiao)特性使(shi)得(de)它可以(yi)將直(zhi)流(liu)(liu)分量阻隔(ge)(ge)在(zai)電(dian)(dian)(dian)路的(de)一側，只讓交(jiao)流(liu)(liu)分量通過，便(bian)于消除(chu)電(dian)(dian)(dian)路中(zhong)的(de)直(zhi)流(liu)(liu)偏置；電(dian)(dian)(dian)容(rong)可以(yi)用來(lai)濾(lv)除(chu)雜波(bo)，提高信號(hao)的(de)純度(du)；電(dian)(dian)(dian)容(rong)還用來(lai)儲存電(dian)(dian)(dian)能，從而使(shi)得(de)輸出(chu)電(dian)(dian)(dian)壓(ya)更加平滑。

22、綜(zong)上(shang)所述(shu)，本技術(shu)上(shang)述(shu)各個技術(shu)方案可(ke)以(yi)具(ju)有如下一(yi)個或多個優點或有益效果(guo)：i)采(cai)(cai)樣電(dian)(dian)(dian)阻(zu)(zu)用于(yu)采(cai)(cai)樣bin電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)，bin電(dian)(dian)(dian)阻(zu)(zu)通過(guo)分(fen)(fen)(fen)壓(ya)(ya)(ya)電(dian)(dian)(dian)阻(zu)(zu)分(fen)(fen)(fen)壓(ya)(ya)(ya)以(yi)及分(fen)(fen)(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)(zu)分(fen)(fen)(fen)流(liu)(liu)(liu)后(hou)，其提供(gong)了運算放大(da)器的(de)(de)參考電(dian)(dian)(dian)壓(ya)(ya)(ya)，使(shi)采(cai)(cai)樣電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)和led負載(zai)的(de)(de)電(dian)(dian)(dian)流(liu)(liu)(liu)產生關聯，因(yin)此只(zhi)設置bin?管理模塊即可(ke)調(diao)節bin電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)管控，使(shi)得管控成本降低，無需(xu)單片或軟(ruan)件開發或購(gou)買高(gao)額(e)的(de)(de)led驅動(dong)芯片，便于(yu)保證(zheng)不同bin區燈(deng)具(ju)亮度一(yi)致(zhi)性；ii)采(cai)(cai)樣電(dian)(dian)(dian)阻(zu)(zu)采(cai)(cai)用小電(dian)(dian)(dian)阻(zu)(zu)，用于(yu)檢(jian)測流(liu)(liu)(liu)過(guo)bin電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)電(dian)(dian)(dian)流(liu)(liu)(liu)；調(diao)節bin電(dian)(dian)(dian)阻(zu)(zu)時，由(you)于(yu)bin電(dian)(dian)(dian)阻(zu)(zu)和分(fen)(fen)(fen)流(liu)(liu)(liu)電(dian)(dian)(dian)阻(zu)(zu)并聯，再與分(fen)(fen)(fen)壓(ya)(ya)(ya)電(dian)(dian)(dian)阻(zu)(zu)串聯，因(yin)此可(ke)以(yi)調(diao)節分(fen)(fen)(fen)壓(ya)(ya)(ya)電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)，分(fen)(fen)(fen)壓(ya)(ya)(ya)電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)電(dian)(dian)(dian)壓(ya)(ya)(ya)作為運算放大(da)器的(de)(de)參考電(dian)(dian)(dian)壓(ya)(ya)(ya)，實現了所述(shu)bin電(dian)(dian)(dian)阻(zu)(zu)的(de)(de)管控。