Ma'aunin zafi da sanyio bawul ne wanda ke sarrafa hanyar kwararar sanyaya. Na'urar daidaita zafin jiki ta atomatik, yawanci tana ƙunshe da sashin gano zafin jiki, wanda ke kunna da kashe kwararar iska, gas ko ruwa ta hanyar faɗaɗa zafi ko ƙanƙantar sanyi.
Ma'aunin zafi da sanyio ta atomatik yana daidaita adadin ruwan da ke shiga cikin radiyo bisa ga yanayin zafin ruwan sanyi, kuma yana canza kewayon zagayawa na ruwa don daidaita ƙarfin zafi na tsarin sanyaya kuma tabbatar da cewa injin yana aiki a cikin kewayon zafin jiki mai dacewa. Dole ne a adana ma'aunin zafi da sanyio a cikin kyakkyawan yanayin fasaha, in ba haka ba zai yi tasiri sosai ga aikin injin na yau da kullun. Idan babban bawul na thermostat ya yi latti, zai sa injin yayi zafi sosai; idan babban bawul ɗin ya buɗe da wuri, za a tsawaita lokacin dumama injin kuma zafin injin ɗin zai yi ƙasa sosai.
Gabaɗaya, aikin thermostat shine kiyaye injin daga yin sanyi sosai. Misali, bayan injin yana aiki akai-akai, zafin injin na iya yin ƙasa da ƙasa idan babu thermostat lokacin tuƙi a cikin hunturu. A wannan lokacin, injin yana buƙatar dakatar da ruwa na ɗan lokaci don tabbatar da cewa zafin injin ɗin bai yi ƙasa sosai ba.
Yadda ma'aunin zafin jiki na kakin zuma ke aiki
Babban ma'aunin zafin jiki da ake amfani da shi shine nau'in kakin zuma. Lokacin da zafin jiki mai sanyaya ya yi ƙasa da ƙayyadaddun ƙimar, ingantaccen paraffin a cikin yanayin yanayin zafin jiki yana da ƙarfi, kuma ana rufe bawul ɗin thermostat tsakanin injin da radiator ƙarƙashin aikin bazara. Ana mayar da mai sanyaya zuwa injin ta hanyar famfo na ruwa don ƙaramin kewayawa a cikin injin. Lokacin da zafin jiki na coolant ya kai ga ƙayyadaddun ƙimar, paraffin ya fara narkewa kuma a hankali ya zama ruwa, ƙarar ƙara kuma yana matsawa bututun roba don raguwa. Lokacin da bututun roba ya ragu, ana amfani da matsawa sama zuwa sandar turawa, kuma sandar turawa tana da jujjuyawar ƙasa akan bawul ɗin don buɗe bawul ɗin. A wannan lokacin, mai sanyaya yana gudana ta cikin radiator da bawul ɗin thermostat, sannan kuma yana gudana zuwa injin ta cikin famfo na ruwa don babban zagaye. Yawancin ma'aunin zafi da sanyio ana shirya su a cikin bututun fitar ruwa na kan Silinda. Amfanin wannan shine tsarin yana da sauƙi, kuma yana da sauƙi don cire kumfa na iska a cikin tsarin sanyaya; rashin amfani shine sau da yawa ana buɗe ma'aunin zafi da sanyio yayin aiki, yana haifar da girgiza.
Hukuncin jiha
Lokacin da injin ya fara yin sanyi, idan akwai ruwan sanyaya da ke gudana daga bututun shiga na babban ɗakin ruwa na tankin ruwa, yana nufin cewa ba za a iya rufe babban bawul na thermostat; Lokacin da yawan zafin jiki na ruwan sanyi na injin ya wuce 70 ℃, babban ɗakin ruwa na tankin ruwa ya shiga Idan babu ruwan sanyaya da ke gudana daga cikin bututun ruwa, yana nufin cewa ba za a iya buɗe babban bawul na thermostat kullum. kuma ana buƙatar gyara a wannan lokacin. Za'a iya gudanar da binciken thermostat akan abin hawa kamar haka:
Dubawa bayan an fara injin: Buɗe murfin mashigar ruwa na radiator, idan matakin sanyaya a cikin radiyo ya tsaya, yana nufin cewa ma'aunin zafi da sanyio yana aiki akai-akai; in ba haka ba, yana nufin cewa thermostat baya aiki yadda ya kamata. Wannan shi ne saboda lokacin da zafin ruwa ya kasance ƙasa da 70 ° C, silinda mai faɗaɗawa na thermostat yana cikin yanayin kwangila kuma an rufe babban bawul; lokacin da zafin ruwa ya fi sama da 80 ° C, silinda mai faɗaɗawa yana faɗaɗa, babban bawul ɗin yana buɗewa a hankali, kuma ruwan da ke gudana a cikin radiator ya fara gudana. Lokacin da ma'aunin zafin ruwa ya nuna ƙasa da 70 ° C, idan akwai ruwa yana gudana a bututun shiga na radiator kuma zafin ruwan yana da dumi, yana nufin cewa babban bawul na ma'aunin zafi da sanyio ba a rufe sosai, yana haifar da ruwan sanyi don yawo. da wuri.
Bincika bayan ruwan zafi ya tashi: A farkon aikin injin, zafin ruwa yana tashi da sauri; lokacin da ma'aunin zafin ruwa ya nuna 80, ƙimar dumama yana raguwa, yana nuna cewa ma'aunin zafi da sanyio yana aiki akai-akai. Akasin haka, idan yanayin zafi na ruwa ya tashi da sauri, lokacin da matsa lamba na ciki ya kai wani matakin, ruwan tafasasshen ya cika ba zato ba tsammani, wanda ke nufin cewa babban bawul ya makale kuma ya buɗe ba zato ba tsammani.
Lokacin da ma'aunin zafin ruwa ya nuna 70°C-80°C, buɗe murfin radiator da magudanar ruwa, sannan ji zafin ruwan da hannu. Idan duka suna da zafi, yana nufin cewa ma'aunin zafi da sanyio yana aiki kullum; idan zafin ruwa a mashigar ruwa na radiyo ya yi ƙasa, kuma radiyo ya cika Idan babu ruwa mai gudana ko kaɗan mai gudana a bututun shigar ruwa na ɗakin, yana nufin cewa ba za a iya buɗe babban bawul na thermostat ba.
Ya kamata a cire ma'aunin zafin jiki wanda ke makale ko ba a rufe shi sosai don tsaftacewa ko gyara, kuma kada a yi amfani da shi nan take.
dubawa akai-akai
Matsayin canza yanayin zafi
Matsayin canza yanayin zafi
A cewar bayanin, lafiyar rayuwar na'urar ta'ammali da kakin zuma gabaɗaya ta kai kilomita 50,000, don haka ana buƙatar maye gurbinsa akai-akai bisa ga amincinsa.
Wurin zafi
Hanyar dubawa na ma'aunin zafi da sanyio shine duba zafin buɗewa, cikakken buɗaɗɗen zafin jiki da ɗaga babban bawul na ma'aunin zafi da sanyio a cikin kayan aikin dumama zazzabi mai daidaitacce. Idan ɗayansu bai dace da ƙayyadadden ƙima ba, yakamata a maye gurbin thermostat. Misali, ga ma'aunin zafi da sanyio na injin Santana JV, zafin buɗaɗɗen babban bawul ɗin shine 87 ° C da ko debe 2 ° C, cikakken zafin jiki na buɗewa shine 102 ° C da ko debe 3 ° C, da cikakken buɗaɗɗen ɗagawa. ku> 7mm.
Tsarin thermostat
Gabaɗaya, mai sanyaya tsarin sanyaya ruwa yana gudana daga jiki kuma yana fitowa daga kan silinda. Yawancin ma'aunin zafi da sanyio suna cikin layin kanti na silinda. Amfanin wannan tsari shine tsarin yana da sauƙi, kuma yana da sauƙin cire kumfa na iska a cikin tsarin sanyaya ruwa; Rashin hasara shi ne cewa oscillation yana faruwa lokacin da ma'aunin zafi yana aiki.
Misali, lokacin fara injin sanyi a cikin hunturu, ana rufe bawul ɗin thermostat saboda ƙarancin sanyi. Lokacin da mai sanyaya ke cikin ƙaramin zagayowar, zafin jiki yana ƙaruwa da sauri kuma bawul ɗin thermostat yana buɗewa. A lokaci guda kuma, ƙarancin zafin jiki a cikin radiyo yana gudana cikin jiki, ta yadda mai sanyaya ya sake yin sanyi, kuma an sake rufe bawul ɗin thermostat. Lokacin da mai sanyaya zafin jiki ya sake tashi, bawul ɗin thermostat yana sake buɗewa. Har sai yawan zafin jiki na duk mai sanyaya ya tsaya tsayin daka, bawul ɗin thermostat zai zama barga kuma ba zai buɗewa da rufe akai-akai ba. Lamarin da ake maimaita buɗaɗɗen bawul ɗin thermostat kuma ana rufe shi cikin ƙanƙanin lokaci ana kiransa thermostat oscillation. Lokacin da wannan al'amari ya faru, zai ƙara yawan man fetur na motar.
Hakanan ana iya shirya ma'aunin zafi da sanyio a cikin bututun fitar da ruwa na radiator. Wannan tsari zai iya ragewa ko kawar da yanayin girgizar na'ura mai sanyaya wuta, kuma yana iya sarrafa yanayin sanyi daidai, amma tsarinsa yana da rikitarwa kuma farashin yana da yawa, kuma galibi ana amfani da shi a cikin manyan motoci da motoci waɗanda galibi ke tuƙi a cikin mota. high gudun a cikin hunturu. [2]
Haɓakawa ga Wax Thermostat
Haɓakawa a cikin Abubuwan Gudanar da Zazzabi na Drive
Jami'ar Injiniya da Fasaha ta Shanghai ta haɓaka sabon nau'in ma'aunin zafi da sanyio tare da ma'aunin zafin jiki na paraffin a matsayin jikin iyaye da sigar juzu'i mai nau'in jan ƙarfe mai siffar jan ƙarfe mai siffa mai ma'aunin ƙwaƙwalwar ajiya azaman abin sarrafa zafin jiki. The ma'aunin zafi da sanyio yana nuna ra'ayin bazara lokacin da zazzabi na farkon Silinda na motar ya yi ƙasa, kuma bazarar gami da matsawa yana sa babban bawul ɗin kusa da bawul ɗin taimako ya buɗe don ƙaramin zagayowar. Lokacin da mai sanyaya zafin jiki ya tashi zuwa wani ƙima, ƙwaƙwalwar gami da bazara tana faɗaɗa kuma tana danne son zuciya. Ruwan bazara yana buɗe babban bawul na ma'aunin zafi da sanyio, kuma yayin da yanayin sanyi ya ƙaru, buɗe babban bawul ɗin yana ƙaruwa sannu a hankali, kuma bawul ɗin taimako a hankali yana rufe don yin babban zagayowar.
A matsayin naúrar kula da zafin jiki, gami da ƙwaƙwalwar ajiya yana sa aikin buɗe bawul ɗin ya canza sauƙi tare da zafin jiki, wanda ke da fa'ida don rage tasirin yanayin zafi na ƙarancin zafin jiki a cikin tankin ruwa akan toshe Silinda lokacin da injin konewa na ciki ya fara, kuma a lokaci guda yana inganta rayuwar sabis na thermostat. Koyaya, ana gyara ma'aunin zafi da sanyio bisa tushen ma'aunin zafin jiki na kakin zuma, kuma tsarin ƙirar injin sarrafa zafin jiki yana iyakance zuwa wani ɗan lokaci.
Haɓaka Valve
Ma'aunin zafi da sanyio yana da tasiri mai ma'ana akan ruwan sanyi. Asarar ruwa mai sanyaya da ke gudana ta hanyar ma'aunin zafi da sanyio yana haifar da asarar wutar lantarki na injin konewa na ciki, wanda ba za a iya watsi da shi ba. An ƙera bawul ɗin azaman silinda na bakin ciki tare da ramuka akan bangon gefe, kuma tashar ruwa ta gudana ta hanyar rami na gefe da rami na tsakiya, kuma ana amfani da tagulla ko aluminum azaman kayan bawul don sanya bawul ɗin ya zama santsi, don haka don rage juriya da inganta yanayin zafi. ingancin na'urar.
Flow kewaye ingantawa na sanyaya matsakaici
Kyakkyawan yanayin aiki na thermal na injin konewa na ciki shine cewa zazzabi na kan Silinda yayi ƙasa da ƙasa kuma zafin toshe Silinda yana da girma. A saboda wannan dalili, tsarin sanyaya mai tsaga-gudanar iai ya bayyana, kuma tsari da matsayi na shigarwa na thermostat suna taka muhimmiyar rawa a ciki. Tsarin shigarwa na aikin haɗin gwiwa na ma'aunin zafi da sanyio, ana shigar da ma'aunin zafi da sanyio biyu a kan sashi ɗaya, ana shigar da firikwensin zafin jiki a ma'aunin zafi na biyu, ana amfani da 1/3 na ruwan sanyi don kwantar da shingen Silinda, 2/3 Mai sanyaya. ana amfani da kwarara don kwantar da kan Silinda.
