Labarai

Gwajin girgiza zafin zafi galibi ana kiransa gwajin girgiza zafin jiki ko hawan zafin jiki, gwaji mai zafi da ƙarancin zafi.

Adadin dumama/ sanyaya bai wuce 30 ℃/minti ba.

Canjin canjin zafin jiki yana da girma sosai, kuma tsananin gwajin yana ƙaruwa tare da haɓaka ƙimar canjin zafin jiki.

Bambanci tsakanin gwajin girgiza zafin jiki da gwajin zagayowar zafin jiki shine galibi nau'in nau'in nauyin damuwa daban-daban.

Gwajin girgiza zafin jiki ya fi yin nazarin gazawar da lalacewa da lalacewa ke haifarwa, yayin da yanayin yanayin zafi ya fi yin la'akari da gazawar da gajiya mai ƙarfi ke haifarwa.

Gwajin girgiza zafin jiki yana ba da damar yin amfani da na'urar gwajin ramuka biyu; gwajin zagayowar zafin jiki yana amfani da na'urar gwajin ramuka guda. A cikin akwatin ramuka biyu, ƙimar canjin zafin jiki dole ne ya fi 50 ℃ / minti.
Dalilan girgiza zafin jiki: canje-canjen zafin jiki masu tsauri yayin masana'antu da ayyukan gyara kamar sake-sake siyarwa, bushewa, sake sarrafawa, da gyarawa.

Dangane da GJB 150.5A-2009 3.1, girgiza zafin jiki shine canji mai kaifi a cikin yanayin yanayin kayan aiki, kuma canjin yanayin zafi ya fi digiri 10 / min, wanda shine girgiza zafin jiki. MIL-STD-810F 503.4 (2001) yana da irin wannan ra'ayi.

Akwai dalilai da yawa na canje-canjen zafin jiki, waɗanda aka ambata cikin ƙa'idodi masu dacewa:
GB/T 2423.22-2012 Gwajin Muhalli Sashe na 2 Gwajin N: Canjin Zazzabi
Yanayin filin don canjin zafin jiki:
Canje-canjen yanayin zafi ya zama ruwan dare a cikin kayan aikin lantarki da abubuwan haɗin gwiwa. Lokacin da ba a kunna kayan aikin ba, sassanta na ciki suna samun canjin yanayin zafi a hankali fiye da sassan da ke saman sa.

Ana iya sa ran canje-canjen zafin jiki mai sauri a cikin yanayi masu zuwa:
1. Lokacin da aka canza kayan aiki daga yanayin gida mai dumi zuwa yanayin waje mai sanyi, ko akasin haka;
2. Lokacin da kayan aikin ke nunawa ga ruwan sama ko a nutsar da su cikin ruwan sanyi kuma ba zato ba tsammani ya yi sanyi;
3. An sanya shi a cikin kayan aikin iska na waje;
4. Karkashin wasu yanayin sufuri da ajiya.

Bayan an yi amfani da wutar lantarki, za a samar da matakan zafin jiki a cikin kayan aiki. Saboda canjin yanayin zafi, za a damu da abubuwan da aka gyara. Misali, kusa da babban juzu'i mai ƙarfi, radiation zai haifar da zafin saman saman abubuwan da ke kusa da su ya tashi, yayin da sauran sassan suka kasance masu sanyi.
Lokacin da aka kunna tsarin sanyaya, abubuwan da aka sanyaya ta wucin gadi za su sami saurin canjin yanayin zafi. Hakanan za'a iya haifar da canjin yanayin zafi mai sauri na abubuwan haɗin gwiwa yayin aikin kera kayan aiki. Lamba da girman canjin zafin jiki da tazarar lokaci suna da mahimmanci.

GJB 150.5A-2009 Hanyoyin Gwajin Muhalli na Kayan Aikin Soja Sashi na 5:Gwajin girgiza Zazzabi:
3.2 Aikace-aikace:
3.2.1 Muhalli na yau da kullun:
Wannan gwajin yana aiki da kayan aiki waɗanda ƙila a yi amfani da su a wuraren da zafin iska zai iya canzawa da sauri. Ana amfani da wannan gwajin kawai don kimanta tasirin saurin canje-canjen zafin jiki a saman kayan aiki na waje, sassan da aka ɗora a saman waje, ko sassan ciki da aka shigar kusa da saman waje. Abubuwan da aka saba sune kamar haka:
A) Ana canja wurin kayan aiki tsakanin wurare masu zafi da ƙananan yanayin zafi;
B) Ana ɗaga shi daga yanayin yanayin zafin ƙasa mai tsayi zuwa tsayi mai tsayi (zafi zuwa sanyi) ta babban mai ɗaukar hoto;
C) Lokacin gwajin kayan waje kawai (marufi ko kayan saman kayan aiki), ana sauke shi daga harsashi mai kariya na jirgin sama mai zafi a ƙarƙashin tsayi mai tsayi da ƙarancin yanayin zafi.

3.2.2 Binciken Tsaro da Matsalolin Muhalli:
Baya ga abin da aka bayyana a cikin 3.3, wannan gwajin yana dacewa don nuna al'amurran aminci da lahani masu yuwuwa waɗanda yawanci ke faruwa lokacin da kayan aikin ke nunawa ga canjin yanayin zafi ƙasa da matsanancin zafin jiki (muddin yanayin gwajin bai wuce ƙira ba. iyakar kayan aiki). Ko da yake ana amfani da wannan gwajin azaman gwajin lafiyar muhalli (ESS), ana kuma iya amfani da shi azaman gwajin gwaji (ta yin amfani da matsananciyar zafin jiki na matsanancin yanayin zafi) bayan jiyya na injiniya da ya dace don bayyana lahani masu yuwuwar faruwa lokacin da kayan aikin suka fallasa ga yanayi. ƙasa da matsanancin zafin jiki.
Tasirin girgiza zafin jiki: GJB 150.5A-2009 Kayan aikin Soja Hanyar Gwajin Muhalli Sashi na 5: Gwajin girgiza zafin jiki:

4.1.2 Tasirin Muhalli:
Matsanancin zafin jiki yawanci yana da mummunar tasiri akan ɓangaren kusa da saman kayan aiki. Mafi nisa daga saman waje (ba shakka, yana da alaƙa da halaye na kayan da suka dace), saurin canjin zafin jiki da ƙarancin tasiri. Akwatunan sufuri, marufi, da sauransu kuma za su rage tasirin girgizar zafin jiki akan kayan da aka rufe. Canje-canjen zafin jiki mai sauri na iya ɗan lokaci ko na dindindin yana shafar aikin kayan aiki. Wadannan su ne misalan matsalolin da za su iya tasowa lokacin da kayan aiki suka fallasa zuwa yanayin girgiza zafin jiki. Yin la'akari da waɗannan matsalolin na yau da kullun za su taimaka sanin ko wannan gwajin ya dace da kayan aikin da ake gwadawa.

A) Yawan illar jiki sune:
1) Rushe kwantena gilashi da kayan aikin gani;
2) Makale ko sako-sako da sassan motsi;
3) Tsage-tsalle a cikin ƙananan pellets ko ginshiƙai a cikin abubuwan fashewa;
4) Rage raguwa daban-daban ko ƙimar faɗaɗawa, ko haifar da ƙima na kayan daban-daban;
5) Lalacewa ko fashewar sassa;
6) Fasassun kayan kwalliyar saman;
7) Leakage a cikin ɗakunan da aka rufe;
8) Rashin kare kariya.

B) Tasirin sinadarai na yau da kullun sune:
1) Rarrabuwar abubuwa;
2) Rashin kariyar reagent sinadarai.

C) Alamomin wutar lantarki sune:
1) Canje-canje a cikin kayan lantarki da na lantarki;
2) Saurin gurɓataccen ruwa ko sanyi yana haifar da gazawar lantarki ko inji;
3) Wutar lantarki mai yawa.

Makasudin gwajin girgiza zafin jiki: Ana iya amfani da shi don gano ƙirar samfuri da lahani na tsari yayin matakin haɓaka aikin injiniya; ana iya amfani da shi don tabbatar da daidaitawar samfuran zuwa yanayin girgiza zafin jiki yayin kammalawar samfur ko ƙirar ƙira da matakan samar da taro, da kuma ba da tushe don ƙaddamar da ƙira da yanke shawarar karɓar yawan samarwa; lokacin da aka yi amfani da shi azaman nunin matsalolin muhalli, manufar ita ce kawar da gazawar samfur na farko.

Nau'in gwaje-gwajen canjin zafin jiki sun kasu kashi uku bisa ga IEC da ƙa'idodin ƙasa:
1. Gwaji Na: Canjin zafin jiki mai sauri tare da ƙayyadadden lokacin juyawa; iska;
2. Gwajin Nb: Canjin yanayin zafi tare da ƙayyadadden canjin canji; iska;
3. Gwajin Nc: Canjin zafin jiki mai sauri tare da tankuna biyu na ruwa; ruwa;

Don gwaje-gwaje uku na sama, 1 da 2 suna amfani da iska a matsayin matsakaici, kuma na uku yana amfani da ruwa (ruwa ko wasu ruwaye) a matsayin matsakaici. Lokacin jujjuyawa na 1 da 2 ya fi tsayi, kuma lokacin juyawa na 3 ya fi guntu.