Matsayin fan a cikin sanyaya ruwa

Canja wurin zafi da aka haifar yayin aiki na motar zuwa yanayin yana buƙatar busawa akai-akai na radiator na tsarin sanyaya. Ƙarfin wutar lantarki mai sauri mai zuwa ba koyaushe ya isa ga wannan ba. A ƙananan gudu da cikakkun tashoshi, ƙarin ƙirar sanyaya na musamman yana zuwa cikin wasa.

Tsarin tsari na allurar iska a cikin radiyo

Yana yiwuwa a tabbatar da wucewar iska ta hanyar tsarin saƙar zuma na radiator ta hanyoyi biyu - don tilasta iska tare da jagorancin dabi'ar dabi'a daga waje ko don haifar da vacuum daga ciki. Babu wani bambanci mai mahimmanci, musamman idan tsarin garkuwar iska - ana amfani da diffusers. Suna samar da mafi ƙanƙanta magudanar ruwa don tashin hankali mara amfani a kusa da ruwan fanfo.

Don haka, akwai zaɓuɓɓuka guda biyu na yau da kullun don tsara busa. A cikin yanayin farko, fan yana kan injin injin ko radiyo a cikin injin injin kuma yana haifar da kwararar matsa lamba zuwa injin, ɗaukar iska daga waje kuma ta wuce ta cikin injin. Don hana ruwan wukake su yi aiki ba tare da aiki ba, sarari tsakanin radiyo da na'urar motsa jiki yana rufe sosai tare da yuwuwar filastik ko ƙarfe. Siffar sa kuma yana haɓaka amfani da matsakaicin yanki na saƙar zuma, tunda diamita fan yawanci ya fi ƙanƙanta fiye da ma'aunin geometric na heatsink.

Lokacin da impeller ya kasance a gefen gaba, injin fan yana yiwuwa ne kawai daga injin lantarki, tunda core radiator yana hana haɗin injiniya tare da injin. A cikin duka biyun, zaɓaɓɓen siffar ɗumbin zafin rana da ingantaccen sanyaya da ake buƙata na iya tilasta yin amfani da fan biyu tare da ƙaramin diamita. Wannan tsarin yawanci yana tare da rikitarwa na algorithm na aiki, magoya baya suna iya canzawa daban-daban, daidaita ƙarfin iska dangane da nauyi da zafin jiki.

The fan impeller kanta iya samun wajen hadaddun da kuma aerodynamic zane. Yana da buƙatu da dama:

• lamba, siffar, bayanin martaba da farar ruwan wukake ya kamata su tabbatar da asara kaɗan ba tare da gabatar da ƙarin farashin makamashi don niƙan iska mara amfani ba;
• a cikin kewayon da aka ba da saurin jujjuyawa, ba a cire rumbun kwarara ba, in ba haka ba raguwar inganci zai shafi tsarin thermal;
• fan dole ne ya daidaita kuma kada ya haifar da girgizar injina da na iska wanda zai iya ɗaukar bearings da sassan injin kusa, musamman sifofin radiator na bakin ciki;
• Hakanan an rage yawan hayaniyar abin motsa jiki daidai da yanayin gaba ɗaya na rage bayanan sautin da ababen hawa ke samarwa.

Idan muka kwatanta magoya bayan mota na zamani da na zamani propellers rabin karni da suka wuce, za mu iya lura cewa kimiyya ya yi aiki da irin wannan fairly cikakkun bayanai. Ana iya ganin wannan har ma a waje, kuma yayin aiki, mai kyau fan kusan shiru yana haifar da karfin iska mai karfi da ba zato ba tsammani.

Fan drive iri

Ƙirƙirar kwararar iska mai ƙarfi tana buƙatar ɗimbin adadin ƙarfin tuƙi na fan. Ana iya ɗaukar makamashi don wannan daga injin ta hanyoyi daban-daban.

Ci gaba da jujjuyawa daga abin wuya

A farkon mafi sauƙi ƙira, fan imper an kawai sanya a kan ruwa famfo drive bel. An samar da aikin ta hanyar diamita mai ban sha'awa na kewayen ruwan wukake, waɗanda kawai faranti na ƙarfe ne lanƙwasa. Babu bukatu don hayaniya, tsohon injin da ke kusa ya toshe duk sauti.

Gudun juyawa ya yi daidai da juyi na crankshaft. Wani abu na sarrafa zafin jiki ya kasance, saboda karuwar nauyin injin, don haka saurinsa, fan ɗin ya fara fitar da iska ta cikin radiyo da ƙarfi. Ba a cika shigar da na'urori masu jujjuya ba, komai an biya su da manyan radiators da babban adadin ruwan sanyaya. Duk da haka, manufar yin zafi ya kasance sananne ga direbobi na lokacin, kasancewar farashin da za a biya don sauƙi da rashin tunani.

Viscous couplings

Tsarukan farko sun sami rashin ƙarfi da yawa:

• rashin sanyi mai sanyi a ƙananan gudu saboda ƙarancin gudu na kai tsaye;
• tare da karuwa a cikin girman impeller da canji a cikin rabon kaya don ƙara yawan iska a rago, motar ta fara yin sanyi sosai tare da karuwa da sauri, kuma yawan man fetur don jujjuyawar wawa na propeller ya kai darajar mai mahimmanci;
• a yayin da injin ke dumama, fanin ya ci gaba da dagewa da sanyaya dakin injin din, yana yin sabanin aikin.

A bayyane yake cewa ƙarin haɓaka ingantaccen injin injin da ƙarfi zai buƙaci sarrafa saurin fan. An magance matsalar har zuwa wani wuri ta hanyar da aka sani a cikin fasaha a matsayin haɗin haɗin gwiwa. Amma a nan dole ne a shirya shi ta hanya ta musamman.

Fan clutch, idan muka yi tunanin shi a cikin sauƙi kuma ba tare da la'akari da iri daban-daban ba, ya ƙunshi nau'i-nau'i iri-iri guda biyu, wanda a tsakanin su akwai abin da ake kira ruwa maras Newtonian, wato, man silicone, wanda ke canza danko dangane da shi. saurin motsi na dangi na yadudduka. Har zuwa haɗin kai mai mahimmanci tsakanin faifai ta hanyar gel ɗin viscous wanda zai juya. Ya rage kawai don sanya bawul mai kula da zafin jiki a can, wanda zai ba da wannan ruwa a cikin rata tare da karuwar zafin injin. Kyakkyawan zane mai nasara, da rashin alheri, ba koyaushe abin dogara da dorewa ba. Amma sau da yawa amfani.

An makala rotor zuwa wani juzu'i mai jujjuyawa daga crankshaft, kuma an sanya abin motsa jiki a kan stator. A babban yanayin zafi da babban saurin gudu, fan ya samar da matsakaicin aiki, wanda ake buƙata. Ba tare da ɗaukar ƙarin kuzari ba lokacin da ba a buƙatar iska.

Magnetic kama

Don kada a sha wahala da sinadarai a cikin haɗin gwiwa waɗanda ba koyaushe ba su da ƙarfi kuma suna dawwama, ana amfani da mafi sauƙin fahimta daga ra'ayi na injiniyan lantarki. Clutch na lantarki yana ƙunshe da fayafai masu jujjuyawa waɗanda ke cikin hulɗa da watsa jujjuyawar ƙarƙashin aikin na yanzu da aka kawo wa electromagnet. A halin yanzu ya fito daga relay mai sarrafawa wanda ke rufe ta na'urar firikwensin zafin jiki, yawanci ana hawa akan radiator. Da zarar an gano rashin isasshiyar iskar, wato ruwan da ke cikin radiator ya yi zafi sosai, lambobin sadarwa sun rufe, kamanni ya yi aiki, kuma bel ɗin yana jujjuya shi ta cikin ɗigon. Ana amfani da hanyar sau da yawa akan manyan manyan motoci tare da magoya baya masu ƙarfi.

kai tsaye lantarki drive

Mafi sau da yawa, fan da wani impeller kai tsaye mounted a kan ramin mota da ake amfani a kan fasinja motocin. Ana ba da wutar lantarki na wannan motar kamar yadda a cikin yanayin da aka kwatanta tare da kama da wutar lantarki, kawai motar V-belt tare da jakunkuna ba a buƙata a nan. Lokacin da ya cancanta, motar lantarki yana haifar da iska, yana kashewa a yanayin zafi na al'ada. An aiwatar da hanyar tare da zuwan ƙananan injinan lantarki masu ƙarfi.

Kyakkyawan ingancin irin wannan tuƙi shine ikon yin aiki tare da tsayawar injin. Na'urorin sanyaya na zamani suna da nauyi sosai, kuma idan iska ta tsaya ba zato ba tsammani, kuma famfo ba ya aiki, to, zafi na gida yana yiwuwa a wurare da matsakaicin zafin jiki. Ko tafasa man fetur a tsarin mai. Mai fan na iya gudu na ɗan lokaci bayan tsayawa don hana matsaloli.

Matsaloli, rashin aiki da gyare-gyare

Kunna fan ɗin an riga an ɗauke shi yanayin gaggawa, tunda ba fan ne ke daidaita zafin jiki ba, amma ma'aunin zafi da sanyio. Sabili da haka, ana yin tsarin kwararar iska mai tilastawa sosai, kuma da wuya ya gaza. Amma idan fan bai kunna ba kuma motar ta tafasa, to ya kamata a bincika sassan da suka fi kamuwa da gazawa:

• a cikin bel ɗin bel, yana yiwuwa a sassauta da zamewa da bel, kazalika da cikakkiyar fashewa, duk wannan yana da sauƙi don ƙayyade gani;
• Hanyar da za a bincika haɗin gwiwar danko ba abu ne mai sauƙi ba, amma idan ya zamewa sosai a kan injin zafi, to wannan alama ce ta maye gurbin;
• Ana duba na'urorin lantarki, duka clutch da injin lantarki, ta hanyar rufe firikwensin, ko kuma akan injin allura ta hanyar cire mahaɗa daga firikwensin zafin jiki na tsarin sarrafa injin, fan ya kamata ya fara juyawa.

Fannonin da ba daidai ba zai iya lalata injin, saboda zafi fiye da kima yana cike da babban gyara. Saboda haka, ba shi yiwuwa a fitar da irin wannan lahani ko da a cikin hunturu. Ya kamata a maye gurbin sassan da ba su yi nasara ba nan da nan, kuma sai a yi amfani da kayan gyara daga masana'anta abin dogaro kawai. Farashin batun shine injin, idan zafin jiki ya motsa shi, to gyara bazai taimaka ba. A kan wannan bangon, farashin firikwensin ko injin lantarki ba shi da komai.