Igumbi lovavanyo lobushushu obuphezulu nobuphantsi – Ukulinganisa okusiNgqongileyo ukuze imveliso ithembeke

Intshayelelo: Isidingo Esibalulekileyo Sovavanyo Lobushushu

IIgumbi lovavanyo lobushushu obuphezulu nobuphantsi(ekwaziwa njengegumbi lovavanyo lobushushu okanye igumbi lokujikeleza ubushushu) sisixhobo esisisiseko sokulinganisa okusingqongileyo. Sidala ulawuloubushushu obuphezulukwayeubushushu obuphantsiiindawo zokuvavanya indlela iimveliso, izixhobo, kunye nezinto ezisebenza ngayo phantsi kweemeko zobushushu obugqithisileyo. Ngokubeka iisampulu ngokukhawuleza kwimijikelo yobushushu, ebandayo, okanye yokutshintshana kobushushu, esi sixhobo sinceda abavelisichonga iziphene zoyilo, qikelela ubomi benkonzokunyeqinisekisa umgangatho wemvelisongaphambi kokuba kukhululwe imakethi. Amashishini aqala kwii-elektroniki kunye neemoto ukuya kwizixhobo zeenqwelo-moya kunye nezonyango axhomekeke kumagumbi obushushu obuphantsi kakhulu ukuze athobele imithetho, avavanye ukuthembeka, kunye nohlalutyo lokusilela.

Indlela Esebenza Ngayo Igumbi Lovavanyo Lobushushu Obuphezulu Nobuphantsi

A Igumbi lovavanyo lobushushu obuphezulu nobuphantsiisebenzisa inkqubo yokufriji elungeleleneyo (esekwe kwi-compressor) kunye nezifudumezi zombane ukuze kufezekiswe ulawulo oluchanekileyo lobushushu. Izinto eziphambili ziquka:

• Iyunithi yefriji:Ipholisa igumbi liye kuthi ga kwi -70°C okanye ngaphantsi kusetyenziswa i-cascade okanye i-single-stage compressors.
• Inkqubo yokufudumeza:Ii-heater ze-Nichrome okanye ze-ceramic zinyusa amaqondo obushushu ukuya kuthi ga kwi-+150°C okanye +180°C.
• Umlawuli onokucwangciswa:Isikrini sokuchukumisa esibonakalayo ukuseta iiprofayili zobushushu, amazinga okuma, amaxesha okuhlala, kunye nokubalwa kwemijikelo.
• Ifeni yokujikeleza komoya:Iqinisekisa ukusasazwa kobushushu obufanayo (ngesiqhelo ukusuka ku-±0.5°C ukuya ku-±2°C).
• Ukhuseleko:Umda wobushushu obugqithisileyo, ukutshixa iingcango, kunye nokujonga uxinzelelo lwefriji.

Uvavanyo lunokubaubushushu obungaguqukiyo(umz., 80°C iiyure ezingama-48),ukujikeleza ngebhayisekile yobushushu(umz., -40°C ukuya ku +85°C nge-5°C/min ramp), okanyeukothuka kobushushu(ukudluliselwa ngokukhawuleza phakathi kweendawo ezishushu nezibandayo).

Izicelo eziphambili kumashishini onke

IIgumbi lovavanyo lobushushu obuphezulu nobuphantsiisetyenziswa kakhulu kulawulo lomgangatho kunye nokuqinisekiswa kokusebenza kumacandelo amaninzi:

1. Izixhobo ze-elektroniki kunye nezombane

Ukuvavanya iibhodi zesekethe, ii-semiconductors, iibhetri, izihlanganisi, kunye nezibonisi ukuthembeka kwejoyinti yesolder, uzinzo lwecandelo, kunye nokusebenza kombane phantsi kobushushu obugqithisileyo.

2. Izixhobo zoLwazi noNxibelelwano

Ukuqinisekisa iiseva, ii-routers, izixhobo zonxibelelwano, kunye nezixhobo ze-elektroniki zabathengi ngokuchasene nokusilela okubangelwa bubushushu ngexesha lokusebenza nokugcinwa.

3. Izixhobo zeemoto

Ukuvavanya izinzwa, iiyunithi zolawulo, iintambo zocingo, izixhobo zangaphakathi, kunye neenkqubo zebhetri phantsi kweemeko eziqala kwi -40°C ukubanda ukuqala ukuya kwi +85°C ubushushu obungaphantsi kwebhondi.

4. Inqwelo-moya kunye noKhuselo

Ukuqinisekisa ii-avionics, iinkqubo zokuhamba, izinto ezidityanisiweyo zesakhiwo, kunye nezinto ezibalulekileyo ngokwe-MIL-STD-810 kunye neminye imigangatho ethile yeenqwelo-moya.

5. Izixhobo zonyango kunye namayeza

Ukuqinisekisa ukuba izixhobo zokuxilonga, ukupakishwa kwamayeza, kunye nezinto ezisetyenziswayo zonyango ziyamelana nokuthuthwa nokugcinwa kwiimeko ezahlukeneyo zemozulu.

6. Iiplastiki, irabha, kunye nezixhobo zePolymer

Ukuvavanya ukubhitya kwiqondo lobushushu eliphantsi, ukuthambisa okanye ukuguqulwa kwiqondo lobushushu eliphezulu, kunye nokuzinza kobukhulu phantsi komjikelo wobushushu.

7. Izixhobo zamandla kunye nokuThuthwa

Ukuvavanya iiseli zebhetri, iiphaneli zelanga, iiseli zepetroli, kunye nezinto zothutho ukuze kujongwe ukusebenza nokhuseleko kuzo zonke iimeko zobushushu obuphezulu.

Amandla oVavanyo oluBanzi

Yanamhlanjeamagumbi okuvavanya amaqondo obushushu aphezulu naphantsiyenza iinkqubo ezahlukeneyo zovavanyo ukuvavanya iinkalo ezahlukeneyo zokuqina kwemveliso:

1. Uvavanyo lobushushu obuphezulu (ubushushu obomileyo)

Iveza iimveliso kumaqondo obushushu aphezulu (ngesiqhelo ukusuka ku-+50°C ukuya ku-+150°C nangaphezulu) ukuze ilinganise iindawo ezishushu ezifana neentlango, iindawo zenjini, okanye iindawo zoshishino. Olu vavanyo luvavanya ukuthamba kwezinto, ukuguga, i-oxidation, kunye nemiphumo yokwanda kobushushu.

2. Uvavanyo lobushushu obuphantsi (lokubanda)

Ifaka iimveliso kwiimeko zokuqandisa (ngesiqhelo ukusuka kwi-0°C ukuya kwi-70°C) ukuze zifane nemozulu ebandayo, iimeko eziphakamileyo, okanye indawo yokugcina ebandayo. Olu vavanyo luvavanya ukubhitya, ukufinyela, ukusilela kokutywina, kunye nokusebenza kokuqala komatshini kumaqondo obushushu aphantsi.

3. Uvavanyo lweBhayisikile yoBushushu

Itshintshatshintsha phakathi kwamaqondo obushushu aphezulu naphantsi kulandelelwano olucwangcisiweyo, ilinganisa utshintsho lobushushu bemihla ngemihla okanye utshintsho olukhawulezileyo lokusingqongileyo. Olu vavanyo lubalulekile ekuvavanyeni ukungalingani kokukhula kobushushu, ukudinwa kwamalungu e-solder, kunye nokumelana noxinzelelo lwezinto eziphathekayo.

Iingenelo Zokusebenzisa Igumbi Lovavanyo Lobushushu Obuphezulu Nobuphantsi

• Ukufunyanwa kweziphene ngokugqibeleleyo:Veza ukusilela okufihlakeleyo (imifantu, ukuqhekeka, ukuvuza kwetywina, ukwaphuka kwamalungu e-solder) ngaphambi kokuba kwenziwe ngobuninzi.
• Uvavanyo lobomi olukhawulezileyo:Cinezela iminyaka yoxinzelelo lobushushu ibe ziintsuku okanye iiveki, nto leyo enciphisa kakhulu ixesha lokuthengisa.
• Ukuqinisekisa umgangatho:Uvavanyo lweqela luqinisekisa iinkqubo zokuvelisa ezihambelanayo kunye nomgangatho wemveliso.
• Ukulungiswa koyilo:Thelekisa izinto okanye izinto ezisetyenziswayo phantsi kweeprofayili zobushushu ezifanayo.
• Ukuthobela imithetho:Hlangana nemigangatho yamazwe ngamazwe yovavanyo lokusingqongileyo kunye nokuqinisekiswa kwemveliso.
• Ukunciphisa umngcipheko:Chonga ukusilela okunokwenzeka kwentsimi ngaphambi kokuba iimveliso zifikelele kubathengi, nto leyo enciphisa amabango ewaranti kunye noxanduva.

Ukukhetha iGumbi elifanelekileyo: Iiparameter eziphambili

• Uluhlu lobushushu:Khetha ngokusekelwe kwindawo ekujoliswe kuyo imveliso yakho (umz., -40°C ukuya ku +150°C kwizixhobo ze-elektroniki ngokubanzi; -70°C ukuya ku +180°C kwizixhobo zeenqwelo-moya okanye zeemoto).
• Umthamo wegumbi:Ukususela kwiiyunithi zebhentshi ezingama-50L ukuya kumagumbi okungena kuwo eendibano ezinkulu okanye iimveliso ezifakwe iipalethi.
• Isantya sokunyuka:Ukurhangqa ngokukhawuleza (5–10°C/min) kunciphisa ixesha lokuvavanya kodwa kwandisa iindleko zezixhobo kunye nokusetyenziswa kwamandla.
• Ukuchaneka kolawulo:Khangela ukufana kwe-±0.5°C kwizicelo ezibalulekileyo ezifuna ulawulo oluchanekileyo lobushushu.
• Ukurekhoda idatha:Iziphumo ze-USB/Ethernet zokulandelela uvavanyo, ulawulo lwenkqubo yezibalo (i-SPC), kunye namaxwebhu ophicotho.

Imigangatho yoVavanyo oluQhelekileyo

IngcaliIgumbi lovavanyo lobushushu obuphezulu nobuphantsiyenzelwe ukuthobela imigangatho ephambili yovavanyo lokusingqongileyo yamazwe ngamazwe:

• I-IEC 60068-2-1:Uvavanyo lokusingqongileyo – Icandelo 2-1: Uvavanyo – Uvavanyo A: Umkhuhlane
• I-IEC 60068-2-2:Uvavanyo lokusingqongileyo – Icandelo 2-2: Uvavanyo – Uvavanyo B: Ubushushu obomileyo
• I-IEC 60068-2-14:Uvavanyo lokusingqongileyo – Icandelo 2-14: Uvavanyo – Uvavanyo N: Utshintsho lobushushu
• GB/T 2423.1 / .2:Imigangatho yesizwe yaseTshayina yokuvavanya ubushushu obubandayo nobomileyo
• I-MIL-STD-810:Izinto eziqwalaselwayo ngobunjineli bendalo kwizixhobo zomkhosi – Indlela 502 (Ubushushu obuphantsi) kunye neNdlela 501 (Ubushushu obuphezulu)
• I-JIS C 60068:Umgangatho waseJapan wovavanyo lokusingqongileyo
• I-ISO 16750-4:Izithuthi zendlela – Iimeko zendalo ezingqongileyo zezixhobo zombane/ze-elektroniki

Iindlela ezilungileyo zokusebenza kunye nokugcinwa

Ukusebenza kakuhle kunye nokugcinwa rhoqo kwandisa ubomi begumbi kwaye kuqinisekisa iziphumo zovavanyo ezichanekileyo:

• Ukulayisha ngokuchanekileyo:Kuphephe ukuvala ii-air vents; sebenzisa ii-rack ezikhuthaza ukuhamba komoya ojikeleze iisampuli zovavanyo.
• Ukulinganiswa rhoqo:Cwangcisa ukulinganiswa rhoqo kweenzwa zobushushu usebenzisa imigangatho elandelekayo ye-NIST.
• Ulondolozo lokuthintela:Coca rhoqo iikhoyili ze-condenser, hlola izitywino zomnyango kunye nee-gasket, kwaye ujonge amanqanaba efriji.
• Ulawulo lokufuma:Kwiimvavanyo zobushushu obuphantsi, qinisekisa ukuba imijikelo yokunyibilika efanelekileyo ukuthintela ukwakheka komkhenkce kwiikhoyili ze-evaporator.

Isiphelo: Isixhobo Esibalulekileyo Sokuthembeka Kwemveliso Nolawulo Lomgangatho

IIgumbi lovavanyo lobushushu obuphezulu nobuphantsiayisiyonto nje yokulawula umgangatho—sisixhobo esibalulekileyo sophuhliso lwemveliso, ukuqinisekiswa kokuthembeka, kunye nokuthotyelwa kwemithetho. Ngokubeka iimveliso phantsi koxinzelelo lobushushu olulawulwayo ngaphambi kokuba kukhutshwe imakethi, abavelisi banokuchonga iindlela zokusilela, baphucule uyilo, banciphise amabango ewaranti, kwaye bakhe udumo lophawu lokuqina. Ukusuka kwizinto ze-elektroniki kunye neenkqubo zeemoto ukuya kwizixhobo zeenqwelo moya kunye nezixhobo zonyango, uvavanyo olupheleleyo lobushushu alubanga lukhetho nje kuphela, kodwa yimfuneko esisiseko yempumelelo yemveliso phantse kuwo onke amacandelo okuvelisa. Ukutyala imali kwigumbi lobuchwephesha lobushushu obuphantsi kakhulu lutyalo-mali kumgangatho wemveliso, ukuzithemba kwabathengi, kunye nempumelelo yeshishini lexesha elide.