Dzidza nezve Ul 1449 Surge Dziviriro Zvigadzirwa (SPDS) chiyero, kuwedzera bvunzo zvinodiwa kune zvigadzirwa munzvimbo dzakanyorova, kunyanya kushandisa tembiricha uye yekunyorova tembiricha. Funda icho chidziviriro chekuvhiya, uye iyo nharaunda yakanyorova.
Surge Zvidziviriro (Surge Zvishongedzo, SPDS) yakagara ichitariswa seyakanyanya kukosha kuchengetedza zvigadzirwa zvemagetsi. Vanogona kudzivirira simba rakaunganidzwa uye kushanduka kwemagetsi, zvekuti michina yakachengetedzwa haizove yakakuvadzwa nekukasira kupisa simba. Iyo yekuvhiya yekuvhiya inogona kuve yakakwana mudziyo yakagadzirirwa yakazvimirira, kana inogona kugadzirwa sechinhu uye yakaiswa mumidziyo yemagetsi yeiyo simba system system.
Sezvataurwa pamusoro, vadziviriro ekuvhiya vanoshandiswa nenzira dzakasiyana, asi vanogara vachinyanya kutsoropodza kana zvasvika pakuchengetedza mabasa. Iyo UL 1449 chiyero chimwe chinhu chinodiwa kuti vashandi vemazuva ano vanoziva kana vachinyorera pamusika kuwana.
Nekuwedzera kuoma kwezvinhu zvemagetsi uye kunyorera zvaro mune mamwe maindasitiri uye akawanda magetsi emigwagwa, mashandisiro emagetsi ekudzivirira anowedzera nekukurumidza, uye maindasitiri anodikanwawo Kuti uchengete nguva uye nguva dzirambe dzichivandudzwa.
Tsanangudzo yenzvimbo dzakanyorova
Kunyangwe iri nfpa 70 yeNational yeNational Fire Dziviriro Kusangana
Nzvimbo dzinochengetedzwa kubva kumamiriro ekunze uye kwete pasi pekuguta nemvura kana zvimwe zvinwiwa asi pasi pemadhigiri ane mwero.
Kunyanya, matende, ivhu, uye zviviriro zvakavhurika, uye zvivakwa zveRofi, nezvimwe, ndezvekuti nzvimbo dziri "pasi peiyo mwero" mukodhi.
Kana iyo Dziviriro yekuvhiya (yakadai seVaristor) yakaiswa muchigadzirwa chekupedzisira, zvinonyanya kuitika nekuti chigadzirwa chekupedzisira chakaiswa kana kushandiswa munzvimbo inoshandurwa, uye chinofanira kufungwa nezvakaitika munzvimbo yakadaro. Kuvhiya Dzivirira kana inogona kusangana nemitemo yekuchengetedza munzvimbo yakajairika.
Chigadzirwa performance yekuongorora zvinodiwa munzvimbo dzakanyorova
Mazhinji miganho inoda kuti zvigadzirwa zvacho zvinoda kuti zvigadzirwa zvive zvinofanirwa kupfuudza test yekuvimbika kuti uone maitiro ehupenyu hwekutenderera Nekuti bvunzo dzinosanganisira nzvimbo dzakanyungudika, tembiricha inogara ichishandiswa sekuongororwa kukuru, kunyanya 85 ° Chinju ( yeaya maviri seti ye parameter.
Iyo yekudziya yekudziya uye yekunyorovedzera inofarira inovavarira kuendesa hupenyu hwechigadzirwa kuburikidza nenzira dzekuedza. Inogona kunyatsoongorora kugona kwekunyepedzera kwechigadzirwa, kusanganisira kufunga nezvekuti chigadzirwa chacho chine hunhu hwehupenyu hwakareba uye kurasikirwa kwakaderera munzvimbo yakasarudzika.
Takaita ongororo yemubvunzo paindasitiri, uye mhedzisiro inoratidza kuti nhamba inofungidzirwa yechigadzirwa zvigadzirwa zviri kuita kuti zvinodiwa nekudzivirirwa uye zvidimbu zvinoshandiswa mukati, asi iyo UL 1449 mwero panguva iyoyo hazvina kuve Izvi zvinoenderana, iye anogadzira anofanirwa kuitisa mimwe miedzo pachayo mushure mekuwana iyo UL 1449 Setifiketi; Uye kana yechitatu-bato chitupa chirevo chinodiwa, kutadza kwekuratidzwa kwekushandiswa kwekushanda kunoderedzwa. Zvakare, apo chigadzirwa chekupedzisira chinoshanda cheUl chitupa, icho chinosangana nemamiriro ezvinhu ekuti mushumo weChinbvumirano weiyo mamiriro ekunze anoshandiswa-zvakareruka zvinhu zvisina kunyoroveswa
Isu tinonzwisisa zvinodikanwa zvevatengi uye takatsunga kubatsira vatengi kugadzirisa pfungwa dzekurwadziwa dzinosangana nekuvhiya chaiko. UL yakatanga iyo 1449 standard yekugadzirisa chirongwa.
Inoenderana bvunzo zvinodiwa zvinowedzerwa kune chiyero
Iyo UL 1449 mamiriro achangobva kuwedzera zvinodiwa kuti zvigadzirwa munzvimbo dzakanyorovesa. Vagadziri vanogona kusarudza kuwedzera iyi idzva bvunzo kune iyo bvunzo kesi paunenge uchinyorera yeUL certification.
Sezvataurwa pamusoro, bvunzo yemamiriro ekunze inonyora inonyanya kutora tembiricha yekudziya uye yekunyorova. Zvinotevera zvinotevera maitiro ekuongorora kuti uone kukodzera kweiyo Varistor (Mov) / Gasi Kubvisa Tube (GDT) yeMunyararo Zvemamiriro ekunze:
Iwo ma samples ekuedza anotanga kuiswa pamuedzo wekukwegura pasi pekudziya kwakanyanya uye humhizha hwekushomeka kwemasirese Chekupedzisira kwenguva yakareba munzvimbo yakanyorova, iyo ichiramba ichichengetedza yayo yekutanga yekudzivirira.
Kutumira Nguva: May-09-2023