Dalilin da yasa Wayar BV mai rufi da PVC ita ce kashin haɗin tashar aminci

Sashe na 1: Menene Wayar BV? Ma'anar Daidaitacce

Tsarin gini na yau da kullun:

• Mai Gudanarwa: Tagulla mai ƙarfi ko mara ɗaurewa (Aji na 1 ko Aji na 2, bisa ga IEC 60228)

• Rufewa: Nau'in PVC A, B, ko C (ya danganta da ƙimar zafin jiki da aikace-aikacensa)

Sassa na gama gari:0.5 mm² zuwa 10 mm² (mafi dacewa ga Toshe na Tashar haɗi a cikin allunan sarrafawa da akwatunan mahaɗi)

Ƙimar ƙarfin lantarki:450/750 V (wanda aka fi sani) ko 300/500 V

Ƙimar zafin jiki:Yawanci -15°C zuwa +70°C ga PVC na yau da kullun (maki na musamman suna samuwa: -40°C zuwa +105°C)

Ba kamar wayoyi masu sassauƙa ba (RVV, RV), wayar BV tana daRufin PVC mai kauri da taurida kuma na'urar jagoranci mai tauri. Wannan ya sa ya dace da:

• Wayoyi masu kafaffen dindindin a cikin allunan lantarki

• Wayoyin akwatunan rarrabawa, allon makulli, da kayan aikin gida masu gyara

• Haɗi zuwa tubalan tashar da aka yi da sukurori da kuma tubalan da aka yi da maɓuɓɓuga inda ake buƙatar masu sarrafa wutar lantarki masu ƙarfi ko waɗanda aka manne.

  Sashe na 2: Me yasa PVC - Kuma Me yasa Ingancin PVC yake da Muhimmanci

  Kusan kashi 60% na lalacewar kebul da aka danganta da matsalolin rufin gida suna faruwa ne a zahirirashin kyawun tsarin PVC, ba jan ƙarfe ba. Ga abin da ƙwararrun masu siye ya kamata su duba:

  2.1 Abubuwan da ke cikin na'urar plasticizer da ƙaura
  Ƙananan na'urorin PVC masu inganci suna ɗauke da na'urorin filastik masu yawa. Bayan lokaci, na'urorin filastik suna ƙaura zuwa cikin gidajen tubalan ƙarshe (musamman PA66 ko PC), wanda ke haifar da tsagewa ko laushin tubalan ƙarshe. Yueqing Gaopeng Electric ya gwada wayoyin BV daga masu samar da kayayyaki sama da 40 - za mu iya gaya muku:ƙaura ba a iya gani har sai ta lalata wani allo.

  2.2 Ma'aunin iskar oxygen (rage wutar lantarki)
  Tsarin PVC na yau da kullun yana da ma'aunin iskar oxygen na 26-30%. Wayar BV mai inganci dole ne ta wuce gwajin harshen wuta na tsaye na IEC 60332-1. A cikin gwaje-gwajen dakin gwaje-gwajenmu, ƙarancin PVC yana ci gaba da ƙonewa bayan an cire harshen wuta - haɗarin wuta kai tsaye.

  2.3 Juriyar tsufa mai zafi
  A cewar IEC 60227, rufin PVC dole ne ya jure gwajin tsufa na kwanaki 7 a 80°C (don waya mai ƙimar 70°C). PVC mara inganci yana taurare kuma yana fashewa cikin ƙasa da kwana 3 a ƙarƙashin irin wannan yanayi, wanda ke haifar da gajerun da'irori.

  2.4 Gwajin lanƙwasa sanyi
  Don fitarwa zuwa Turai ko Arewacin Amurka, wayar BV yakamata ta wuce lanƙwasa mai sanyi -15°C (ko -25°C don maki na musamman). PVC mai arha yana zama kamar gilashi ƙasa da 0°C - ba zai yiwu a sanya shi lafiya a lokacin hunturu ko sanyi ba.

  Sashe na 3: Yadda BV Wire ke Mu'amala da Tubalan Tashar - Ra'ayin Injiniya

  Wannan yana da matuƙar muhimmanci ga duk wani mai siye da ke siyan wayoyi da tashoshi (har ma daga masu samar da kayayyaki daban-daban). Wayar BV mara kyau na iya haifar da gazawar filin toshewa:

  3.1 Dacewar aji na mai jagoranci

  • Yawancin tashoshin da ke da nau'in sukurori (misali, jerin T-Series ɗinmu na Gaopeng) suna karɓar duka masu jure zafi (Aji na 1) da kuma masu jure zafi (Aji na 2).

  • Tashoshin irin na bazara sun fi son mannewa ko sassauƙan Class 5 - amma yawancin wayoyin BV suna da ƙarfi.

  • Misalin rashin daidaito:Amfani da BV mai ƙarfi 4mm² a cikin tashar matsewa ta bazara wadda aka tsara don waya mai laushi yana haifar da matsewa da ja da rashin tabbas.

  3.2 Tsawon yankewa da daidaito
  Kauri na rufin PVC ya bambanta. Wayar BV ta yau da kullun bisa ga GB/T 5023.3 tana da kauri na rufin da aka ƙayyade (misali, 0.8mm ga 2.5mm²). Duk da haka, yawancin wayoyi masu araha suna da rufin da ya fi siriri ko mara daidaituwa. Sakamakon: ko dai cirewa fiye da kima (bayyana jan ƙarfe da yawa, haifar da gajerun da'irori) ko kuma rashin cirewa (PVC ya kama a cikin tashar, yana haifar da juriya mai yawa).

  3.3 Mai jagoran da'ira da siffar sashe
  Wayar BV mai inganci tana da madaidaicin jagora. BV mara inganci yana amfani da jan ƙarfe da aka sake birgima tare da diamita mara daidaituwa, wanda ba zai iya zama daidai a cikin karkiya mai ɗaurewa ta toshewar ƙarshe ba. Wannan yana haifar datuntuɓar wurimaimakon hulɗar layi - ƙaruwar juriyar hulɗa da kashi 300%.