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Labarai

Mafi yawan gwajin amincin muhalli na yau da kullun don fitilun mota

1.Thermal Cycle Test

Gwajin zagayowar thermal yawanci sun haɗa da nau'i biyu:Gwaje-gwaje masu girma da ƙananan zafin jiki da gwaje-gwajen yanayin zafi da zafi. Na farko yana yin nazari ne akan juriya na fitilun mota zuwa yanayin zafi da ƙarancin zafin jiki da ke canza yanayin sake zagayowar, yayin da na biyun ya fi yin nazarin juriya na fitilun kan zafin jiki da zafi mai zafi da ƙarancin yanayin yanayin sake zagayowar.

Yawancin gwaje-gwajen zagayowar zafin jiki da ƙananan zafin jiki suna ƙayyadad da ƙima mai girma da ƙarancin zafin jiki a cikin sake zagayowar, tsawon lokacin da ke tsakanin ƙimar babban zafin jiki da ƙimar ƙarancin zafin jiki, da ƙimar canjin zafin jiki yayin babban tsarin jujjuyawar zafi da ƙarancin zafi, amma gwajin yanayin zafi ba a kayyade ba.

Ba kamar gwajin zagayowar zafi da ƙananan zafin jiki ba, gwajin yanayin zafi da zafi kuma yana ƙayyadaddun yanayin zafi, kuma yawanci ana ƙayyade shi a cikin babban ɓangaren zafin jiki. Danshi yana iya kasancewa koyaushe a cikin yanayi na dindindin, ko yana iya canzawa tare da canjin yanayin zafi. Gabaɗaya magana, ba za a sami ƙa'idodin da suka dace akan zafi a cikin ƙananan zafin jiki ba.

Mafi yawan gwajin amincin muhalli na yau da kullun don fitilun mota
Gwajin girgiza zafin zafi da gwajin zafin jiki (1)

2.Thermal girgiza gwajin da kuma high zafin jiki gwajin

Dalilin dathermal shock gwajinshine bincika juriya na fitilun mota zuwa yanayi tare da sauye-sauyen yanayin zafi. Hanyar gwajin ita ce: wuta a kan fitilun mota kuma a yi aiki da shi na ɗan lokaci, sannan a kashe wutar nan da nan da sauri nutsad da fitilar a cikin ruwan zafin jiki na yau da kullun har zuwa ƙayyadadden lokaci. Bayan nutsewa, cire fitilun fitilun kuma duba ko akwai tsagewa, kumfa, da sauransu akan bayyanarsa, da kuma ko fitilar tana aiki akai-akai.

Manufar gwajin zafin jiki mai zafi shine don bincika juriya na fitilun mota zuwa yanayin zafi mai girma. Yayin gwajin, ana sanya fitilun fitilun a cikin akwatin yanayin yanayin zafi mai girma kuma a bar shi ya tsaya na ƙayyadadden lokaci. Bayan kammala lokacin tsayawa, rushe shi kuma lura da yanayin tsarin gida na sassan filastik fitilolin mota da ko akwai nakasu.

3.Tsarin ƙura da hana ruwa

Makasudin gwajin ƙura shine don bincika ikon mahalli na fitilolin mota don hana ƙura daga shiga da kuma kare ciki daga kutsawa ƙura. Kurar da aka yi amfani da ita a cikin gwajin ta haɗa da: talcum foda, ƙurar Arizona A2, ƙurar da aka gauraye da siminti silicate 50% da 50% tashi ash, da dai sauransu. Gabaɗaya ana buƙatar sanya 2kg na ƙurar simulated a cikin sarari 1m³. Ana iya yin busa ƙura ta hanyar ci gaba da hura ƙura ko hura ƙurar 6s da tsayawa na 15min. Yawancin lokaci ana gwada na farko na 8h, yayin da aka gwada na ƙarshe na 5h.

Gwajin hana ruwa shine don gwada aikin gidaje na hasken wuta don hana ruwa shiga da kuma kare ciki na fitilun daga tsangwama na ruwa. GB/T10485-2007 misali ya nuna cewa fitulun mota dole ne a yi gwajin hana ruwa na musamman. Hanyar gwaji ita ce: lokacin da ake fesa ruwa akan samfurin, tsakiyar layin bututun fesa yana ƙasa kuma layin tsaye na madaidaiciyar juyawa yana kusa da 45 °. Ana buƙatar ƙimar hazo don isa (2.5 ~ 4.1) mm · min-1, saurin juyawa yana kusan 4r · min-1, kuma ana fesa ruwan gabaɗaya don 12h.

3.Tsarin ƙura da hana ruwa
4.Gwargwadon gishiri

4.Gwargwadon gishiri

Manufar gwajin feshin gishiri shine don bincika ƙarfin sassan ƙarfe a kan fitilun mota don tsayayya da lalatawar gishiri. Gabaɗaya, fitilolin mota ana fuskantar gwajin feshin gishiri tsaka tsaki. Yawancin lokaci, ana amfani da maganin gishiri na sodium chloride, tare da yawan taro na kusan 5% da kuma pH na kimanin 6.5-7.2, wanda shine tsaka tsaki. Gwajin yakan yi amfani da hanyar feshi + bushewa, wato, bayan wani lokaci na ci gaba da feshi, ana dakatar da feshin kuma ana barin fitilar ta bushe. Ana amfani da wannan zagayowar don ci gaba da gwada fitilun fitilun da yawa ko ɗaruruwan sa'o'i, kuma bayan gwajin, ana fitar da fitilun kuma ana ganin lalatawar sassan ƙarfensu.

5.Madogaran haske gwajin gwaji

Gwajin illolin haske gabaɗaya yana nufin gwajin fitilar xenon. Tunda yawancin fitilun mota samfuran waje ne, matatar da ake amfani da ita a gwajin fitilar xenon ita ce tace hasken rana. Sauran, kamar ƙarfin iska, zafin jiki na akwatin, allo ko zazzabi mai alamar baƙar fata, zafi, yanayin haske, yanayin duhu, da sauransu, zai bambanta bisa ga samfura daban-daban. Bayan kammala gwajin, yawanci ana gwada fitilar motar don bambancin launi, ƙimar katin launin toka da kyalli don tabbatar da ko fitilar motar tana da ikon yin tsayayya da tsufa.

 

5.Madogaran haske gwajin gwaji

Lokacin aikawa: Agusta-20-2024