一、公路路燈一閃一閃是什么原因
夜晚走在(zai)路(lu)(lu)上(shang)的時候,有時會發(fa)現公路(lu)(lu)上(shang)的路(lu)(lu)燈(deng)(deng)一閃(shan)(shan)一閃(shan)(shan)的,通常人眼能夠感知(zhi)到(dao)頻率(lv)達(da)70 Hz的光閃(shan)(shan)爍(shuo),如果低于70Hz,人眼就會感受(shou)到(dao)閃(shan)(shan)爍(shuo),路(lu)(lu)燈(deng)(deng)閃(shan)(shan)爍(shuo)不(bu)僅會刺激眼部(bu),而(er)且也會影響到(dao)照明效(xiao)果,這種一般是LED路(lu)(lu)燈(deng)(deng),LED路(lu)(lu)燈(deng)(deng)閃(shan)(shan)爍(shuo)的原(yuan)因可(ke)能是以(yi)下幾種:
1、驅動電源問題
LED路燈(deng)的驅(qu)動電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)普遍采用恒(heng)(heng)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan),恒(heng)(heng)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)的基本(ben)工作(zuo)模式就是(shi)不斷調整輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓,來實現(xian)(xian)在LED燈(deng)珠內阻變化時確保電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)恒(heng)(heng)定不變,但(dan)這(zhe)種調整是(shi)有(you)一(yi)定限度的,恒(heng)(heng)流(liu)電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)除有(you)一(yi)個輸出電(dian)(dian)(dian)(dian)(dian)(dian)壓范圍,一(yi)旦突(tu)破限度,電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)(yuan)就會進入保護狀(zhuang)態,其表現(xian)(xian)形(xing)式就是(shi)燈(deng)開(kai)始閃爍。
2、LED燈珠問題
LED燈(deng)(deng)珠(zhu)(zhu)與(yu)LED驅(qu)動電源不匹配(pei)也會出現(xian)(xian)(xian)閃(shan)爍現(xian)(xian)(xian)象(xiang),正常單顆(ke)足1W燈(deng)(deng)珠(zhu)(zhu)承(cheng)受80-300mA的電流和3.0-3.4V的電壓,如果燈(deng)(deng)珠(zhu)(zhu)芯片不是足功率(lv)的,就(jiu)會造成燈(deng)(deng)光光源頻閃(shan)現(xian)(xian)(xian)象(xiang),電流過高而(er)燈(deng)(deng)珠(zhu)(zhu)不能承(cheng)受就(jiu)一亮一滅。
3、燈具壞了
戶外燈(deng)具出現頻(pin)閃現象(xiang)有可(ke)能是(shi)燈(deng)具沒有做好防水(shui)處理(li)導致(zhi)(zhi)進水(shui)了,燈(deng)珠和(he)驅動電源損壞(huai)其中一個(ge)就會導致(zhi)(zhi)頻(pin)閃,需(xu)要及(ji)時維修。
二、led路燈閃爍故障解決方法
Led路燈一(yi)直閃爍,維修人員首先要(yao)排查(cha)(cha)出問(wen)題的部位到底是驅(qu)動(dong)(dong)電(dian)源還是led燈珠,可以通過(guo)分別更換(huan)(huan)驅(qu)動(dong)(dong)電(dian)源和(he)燈珠的方法來排查(cha)(cha)故障部位,如果兩個都(dou)有故障的話(hua)就需要(yao)一(yi)起更換(huan)(huan)。
有(you)(you)時(shi)會出(chu)(chu)現(xian)(xian)路(lu)燈關閉之(zhi)后(hou)(hou)仍然出(chu)(chu)現(xian)(xian)閃爍的故障,這就(jiu)要考慮是(shi)否是(shi)線路(lu)的問(wen)(wen)題(ti)(ti)了,有(you)(you)可(ke)(ke)(ke)能(neng)是(shi)開關控(kong)制的零線出(chu)(chu)了問(wen)(wen)題(ti)(ti),這需要及(ji)時(shi)處理,避免出(chu)(chu)現(xian)(xian)意(yi)外事故;如果(guo)電(dian)路(lu)檢(jian)查(cha)過(guo)后(hou)(hou)沒有(you)(you)發現(xian)(xian)問(wen)(wen)題(ti)(ti),那么(me)很有(you)(you)可(ke)(ke)(ke)能(neng)是(shi)LED路(lu)燈自身產生了自感電(dian)流,用繼電(dian)器將線圈(quan)與(yu)電(dian)燈串聯(lian)即可(ke)(ke)(ke)解(jie)決(jue)問(wen)(wen)題(ti)(ti)。
三、路燈壞了向什么部門反應
看到路(lu)燈(deng)(deng)壞了(le)怎(zen)么辦?當出現路(lu)燈(deng)(deng)頻閃或不亮的現象時,普通市民應向有關部門進行情況(kuang)反饋,那么向什么部分反映呢?這(zhe)要根(gen)據路(lu)燈(deng)(deng)的性質來決定:
在我(wo)國(guo)(guo)的(de)路(lu)(lu)(lu)(lu)燈(deng)管(guan)理分為(wei)兩種(zhong)(zhong),一(yi)種(zhong)(zhong)就是占有大(da)部(bu)(bu)分比率的(de)社(she)百會化度(du)路(lu)(lu)(lu)(lu)燈(deng),這(zhe)種(zhong)(zhong)路(lu)(lu)(lu)(lu)燈(deng)壞(huai)了(le)應該去市政部(bu)(bu)門或(huo)者(zhe)國(guo)(guo)家電(dian)網所在城(cheng)市的(de)電(dian)力局路(lu)(lu)(lu)(lu)燈(deng)管(guan)理所申(shen)報修理。如果是社(she)區、內小區、鄉村(cun)自己購置安裝容的(de)路(lu)(lu)(lu)(lu)燈(deng),則通常向物業、村(cun)委(wei)會申(shen)報維修。還有一(yi)種(zhong)(zhong)路(lu)(lu)(lu)(lu)燈(deng)是景(jing)區或(huo)公園(yuan)的(de)景(jing)觀(guan)燈(deng),這(zhe)種(zhong)(zhong)路(lu)(lu)(lu)(lu)燈(deng)壞(huai)了(le)的(de)話可以去公園(yuan)或(huo)景(jing)區的(de)游客中心進行問題反映(ying)。
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