Me yasa Farashin kumfa LED ya bambanta sosai?

Kwanan nan, manyan gidajen yanar gizon sun bayyana kwatankwacin farashin manyan samfuran haske na LED guda goma LED ball kumfa fitilu. Daga kwatancen, za mu iya ganin cewa LED ball fitilu na wannan siga, amma farashin ne da yawa daban-daban, kamar iri na 7W ball kumfa 48.9 yuan, amma wani iri kawai bukatar 13.2 yuan, kuma farashin bambanci ne kusan uku. sau. Menene dalilin da ya sa farashin siga guda ɗaya ya bambanta sosai? A yau, zan kai ku don bayyana bambanci a cikin bambancin farashin tsakanin fitilar kumfa na LED. 1. Fitilar fitilun LED Daban-daban nau'ikan fitilun fitilu masu inganci daban-daban sun bambanta sosai, kuma nau'ikan fitilun LED iri daban-daban ma sun bambanta sosai. Kamar beads ɗin fitila 2835, wasu suna buƙatar ƙasa da cents 2 kawai, amma wasu suna buƙatar fiye da centi 7. Domin biyan farashi mai rahusa, masana'antun suna amfani da beads fitilu marasa kyau. Irin waɗannan fitilun fitilu galibi suna da lalata haske sosai. Ana cire shi na 'yan watanni. 2. Bambancin farashin tsakanin PCB na kayan PCB daban-daban shima babba ne. Misali, aluminium substrate yana kusan yuan 200-300 a kowace murabba'in mita, FR4 yana da kusan murabba'in murabba'in 150-200, kuma kwali mafi ƙanƙanci kawai yana biyan dala dala da yawa a murabba'in mita. A gaskiya ma, shi ma aluminium substrate, iri ɗaya ne FR4, kuma farashin ya bambanta. Daban-daban kayan za su sami bambancin thermal conductivity. Yin amfani da kwali zai haifar da zafin LED ya kasa fita, wanda zai shafi rayuwar LED. 3. Nau'o'in samar da wutar lantarki daban-daban kuma sun bambanta, kuma canjin wutar lantarki shine mafi girma, kuma tasiri akan farashin duka samfurin shine mafi girma. Misali, toshe guda daya kawai ake bukata don toshe wutar lantarki, kuma mafi kyawun wutar lantarki yana buƙatar guda biyar ko shida, har ma fiye da guda goma. Samar da wutar lantarki yana da tasiri mafi girma akan ingancin fitilun fitilu na LED, kuma yana da sauƙin kasawa yayin amfani da wutar lantarki mara kyau, kamar matattun fitilu, masu fashewa, da dai sauransu. 4 Abubuwa daban-daban suna da girma a cikin tsari, kuma ko da farashin tsarin kayan abu iri ɗaya ya bambanta sosai. Misali, tsarin filastik ba zai iya kamanta da tsarin ƙarfe kwata-kwata. Tsarin kayan abu ɗaya, farashin samfuran jama'a da samfuran masu zaman kansu sun bambanta sosai. Hakanan ingancin kayan yana rinjayar yanayin zafi na samfurin, kuma yana da alaƙa da amincin mai amfani.