1.CM wuta rating
CM a halin yanzu shine mafi yawan amfani da matakin hana wuta don kebul na USB.Ma'aunin gwajin sa shine UL 1581. Bisa ga ma'anar, ƙaramin gungu na kebul na Cm-class zai fita ta atomatik tsakanin mita 5 na yaduwar konewa.
A halin yanzu, babban kwasfa na igiyoyin sadarwar kebul na aji na CM galibi ana yin su ne da PVC kuma Layer ɗin rufin an yi shi da babban PE.Lokacin da ya kone, zai fitar da halogen mai guba, hayaki da zafi mai yawa. Ana amfani da kebul-class-CM gabaɗaya don gudana a kwance a bene ɗaya, kuma ana samun yawanci a Burtaniya, Asiya da Ostiraliya.
2.CMR wuta rating
Amincewa da ƙimar wuta ta CMR shine na biyu, wanda galibi ana samunsa ta hanyar haɓaka wurin kunna kebul don cimma manufar rashin ƙonewa.Ma'aunin gwajin sa shine UL 1666. A cikin ma'anar, ƙarƙashin yanayin tilasta konewar fan, tarin igiyoyin hanyar sadarwa na CMR dole ne a kashe a cikin mita 5 na yaduwar konewa.
A halin yanzu, babban kwasfa na CMR class na USB cibiyar sadarwa na USB an yi shi da babban harshen wuta retardant PVC abu, da kuma rufi Layer aka yi da high-yawa PE abu.Bayan konewar harshen wuta, zai fitar da iskar halogenated mai guba (chlorine gas) da tururin gubar, wanda da sauri zai cinye iskar oxygen da ke cikin iska kuma ya sa wutar ta fita. tsarin cabling, watau a cikin tsaka-tsakin tsaka-tsakin tsakar gida, kuma ana samun su a Asiya da Ostiraliya.
3.CMP wuta rating
Ƙimar wuta ta CMP ita ce mafi aminci.Yana da cikakkiyar jinkirin harshen wuta kuma baya fitar da hayaki mai guba mai yawa lokacin konawa. Ma'aunin gwajin CMP shine UL 910. Dangane da ma'anar UL, tarin kebul na CMP da igiyoyi na cibiyar sadarwa dole ne su kashe kansu a cikin mita 5 na yaduwar konewa a ƙarƙashin yanayi na tilasta tsananin konewa da magoya baya.
The m sheath na CMP aji na USB waya da aka yi da fluorine (kamar PTFE PTFE, FEP fluorinated ethylene propylene), wanda yana da high bazuwar zafin jiki da kuma ƙonewa point.Saboda CMP na USB cibiyar sadarwa na USB na iya dakatar da yaduwar konewa, zai aika zuwa ga. rage hayaki da guba, ko da akwai wuta, kuma a cikin ginin yana cike da ƙonewa da yawa saboda hanyar sadarwa ta USB da hayaki ko guba mai cutarwa, don haka ana amfani da kebul na cibiyar sadarwa na CMP daraja a cikin bututun iska ko kayan sarrafa iska da ake amfani da su. tsarin matsa lamba na iska, gama gari a Kanada da Amurka.
4.DongguanWenchangElectronic Co., Ltd.wani masana'anta ne na kasar Sin tare da takaddun shaida na CM, CMR, CMP.
Class CMR (gwajin konewa a tsaye) Waɗannan igiyoyi ne masu daraja na kasuwanci a ma'aunin UL.Matsayin aminci shine UL1666.Babu ƙayyadaddun adadin hayaki kuma ana amfani da su gabaɗaya don wayoyi a tsaye da a kwance.
Class CMP (Gwajin Stei Sodium Duct) shine mafi yawan kebul da ake buƙata a ma'aunin amincin wuta na UL.Yawancin lokaci ana shigar da shi a cikin tsarin matsi na reflux da ake amfani da shi a cikin bututun samun iska ko kayan sarrafa iska.An amince da shi a Kanada da Amurka.
5.Bambanci tsakanin CM, CMR da CMP:
CM, CMR da CMP sun bambanta a ƙimar wuta, yanayin konewa da kayan kwasfa na waje.Bugu da kari, sun bambanta sosai a cikin farashi da yankin aikace-aikacen.
(1)Bambancin farashi.
Babban kumfa na CM na USB da CMR na USB an yi shi da kayan PVC, yayin da kebul na CMP an yi shi da kayan fluorine, don haka farashin kebul na CMP ya fi na CM da na USB CMR tsada.
(2) Bambance-bambance a yankunan aikace-aikace
Gabaɗaya, ana amfani da kebul na CM a cikin wayoyi na kwance na ɗagawa na gini da ɗakunan inflatable a cikin wasu mahalli, ana iya amfani da CMR a cikin wayoyi na tsaye na ɗagawa na ginin gini da wurare a tsaye, kuma ana iya amfani da CMP a cikin wayoyi na kwance na bututun iska, inflatable. dakuna ko wasu wuraren zagayowar iska.
Lokacin aikawa: Agusta-27-2020