Nheyo yekuputira mhepo inotonhodza mota
Pfupiso: Sisitimu yemhepo inotonhodza mota mudziyo wekuita kuti mhepo iri mungoro itonhodze, idziye, ichinje mhepo uye ichichenese mweya uri mungoro. Inogona kupa nzvimbo yekutyaira yakasununguka kune vafambi, kuderedza kuneta kwevatyairi, uye kuvandudza kuchengetedzeka kwekutyaira. Midziyo yemhepo inotonhodza mota yave chimwe chezviratidzo zvekuyera kana mota yakakwana. Sisitimu yemhepo inotonhodza mota inoumbwa necompressor, air conditioner blower, condenser, liquid storage dryer, expansion valve, evaporator uye blower, nezvimwewo. Pepa iri rinonyanya kutaura nezve musimboti wemota inotonhodza mhepo.
Nekukwira kwemamiriro ekunze epasi rose uye kuvandudzwa kwezvinodiwa nevanhu munzvimbo yekutyaira, mota dzakawanda dzine masisitimu emhepo inotonhodza. Zvichienderana nenhamba, muna 2000, 78% yemotokari dzakatengeswa muUnited States neCanada dzave nemhepo inotonhodza, uye zvino zvinofungidzirwa kuti dzinenge 90% yemotokari dzine mhepo inotonhodza, pamusoro pekuunza nzvimbo yekutyaira yakasununguka kuvanhu. Semushandisi wemotokari, muverengi anofanira kunzwisisa musimboti wayo, kuitira kuti mamiriro enjodzi agadziriswe zvinobudirira uye nekukurumidza.
1. Musimboti wekushanda kwehurongwa hwekuchengetedza firiji yemotokari
Nheyo yekushanda kwesystem yekutonhodza mhepo yemotokari
1, musimboti wekushanda kwehurongwa hwemhepo inotonhodza yemotokari
Kutenderera kwesystem yekutonhodza mhepo yemota kunosanganisira maitiro mana: kudzvanya, kuburitsa kupisa, kukwenya uye kunyudza kupisa.
(1) Maitiro ekudzvanya: compressor inofema gasi remufiriji rinodziya tembiricha yakaderera uye rine pressure yakaderera panzvimbo inobuda evaporator, yoridzvanya kuita gasi rinodziya zvakanyanya uye rine pressure yakakwirira, yozoritumira kucondenser. Basa guru remaitiro aya nderekudzvanya nekudzvanya gasi kuitira kuti rive nyore kunyungudika. Munguva yekudzvanya, mamiriro emufiriji haachinje, uye tembiricha nekudzvanya zvinoramba zvichikwira, zvichigadzira gasi rinodziya zvakanyanya.
(2) Maitiro ekuburitsa kupisa: gasi remufiriji rine tembiricha yakakwira uye rinopisa zvakanyanya rinopinda mu condenser (radiator) kuti ripinze kupisa nemhepo. Nekuda kwekuderedzwa kwekumanikidzwa netembiricha, gasi remufiriji rinopinda mumvura uye rinoburitsa kupisa kwakawanda. Basa remaitiro aya nderekuburitsa kupisa nekukombama. Maitiro ekukombama anoratidzwa nekuchinja kwemamiriro emufiriji, kureva kuti, pasi pemamiriro ekumanikidzwa netembiricha nguva dzose, rinochinja zvishoma nezvishoma kubva pagasi kuenda kumvura. Mvura yemufiriji mushure mekukombama imvura yemufiriji ine pressure yakakwira uye tembiricha yakakwira. Mvura yemufiriji inotonhorerwa zvakanyanya, uye kana mwero wekutonhora kwakanyanya, kugona kwekupwanya kupisa kwakanyanya panguva yekudonha, uye mhedzisiro yekukombama iri nani, kureva, kuwedzera kwakakodzera kwekugadzirwa kwechando.
(3) maitiro ekudhonza: mvura inotonhorera ine pressure yakakwira uye inotonhorera nepavharuvhu yekuwedzera kuderedza tembiricha nekumanikidzwa, uye mudziyo wekuwedzera unobviswa mumhute (madonhwe madiki). Basa remaitiro acho nderekutonhodza refrigerant uye kuderedza kumanikidzwa, kubva patembiricha yakakwira uye mvura inotonhorera kusvika pamvura inotonhorera ine pressure yakaderera, kuitira kuti zvive nyore kupinza kupisa, kudzora kugona kwefiriji uye kuchengetedza kushanda kwakajairika kwesystem yefiriji.
4) Maitiro ekunyudza kupisa: mvura inotonhorera mushure mekutonhodza uye kudzvanywa nevharuvhu yekuwedzera inopinda mu evaporator, saka pombi yekufashaira ye refrigerant yakaderera zvikuru pane tembiricha iri mukati me evaporator, saka mvura inotonhorera inopwa mu evaporator yofashaira kuita gasi. Mukuita kwekupwanya kuti utore kupisa kwakawanda kwakatenderedza, deredza tembiricha iri mukati memota. Ipapo tembiricha yakaderera uye gasi re refrigerant rinobuda mu evaporator romirira kuti compressor ifeme zvakare. Maitiro e endothermic anoratidzwa nemamiriro e refrigerant achichinja kubva pa liquid kuenda ku gasi, uye kudzvanya hakuna kuchinja panguva ino, kureva kuti, shanduko yemamiriro aya inoitwa panguva yekudzvanya kwacho nguva dzose.
2, sisitimu yekutonhodza mhepo yemotokari inowanzo kuve nemacompressor, macondenser, ma liquid storage dryers, expansion valves, evaporators nemablower. Sezvakaratidzwa muMufananidzo 1, zvikamu zvacho zvakabatana ne copper (kana aruminiyamu) nemachubhu erabha ane simba guru kuti zvigadzire sisitimu yakavharwa. Kana sisitimu inotonhora ichishanda, mamiriro akasiyana e refrigeration memory anotenderera muiyi closed system, uye kutenderera kwega kwega kune maitiro mana ekutanga:
(1) Maitiro ekudzvanya: compressor inofema gasi rinotonhorera panobva evaporator patembiricha yakaderera uye kumanikidzwa, uye inoridzvanya kuita compressor inobvisa gasi rinopisa zvakanyanya uye rinomanikidzwa zvakanyanya.
(2) Maitiro ekuburitsa kupisa: gasi remufiriji rine tembiricha yepamusoro uye rinopisa zvakanyanya rinopinda mu condenser, uye gasi remufiriji rinosanganiswa kuita mvura nekuda kwekuderera kwekumanikidzwa uye tembiricha, uye kupisa kwakawanda kunoburitswa.
(3) maitiro ekukwesha: Mushure mekunge mvura inotonhorera ine tembiricha yepamusoro nekumanikidzwa yapfuura nemumudziyo wekuwedzera, huwandu hunokura, kumanikidzwa nekudziya kunoderera zvakanyanya, uye mudziyo wekuwedzera unobviswa mumhute (madonhwe madiki).
(4) Maitiro ekunyudza kupisa: mvura inotonhorera mufiriji inopinda mu evaporator, saka pombi yekufashaira ye refrigerant yakaderera zvikuru pane tembiricha iri mukati me evaporator, saka mvura inotonhorera mufiriji inopwa kuita gasi. Munguva yekupwanya, kupisa kwakawanda kunonyudzwa, uye ipapo tembiricha yakaderera uye svutugadzike shoma ye refrigerant inopinda mu compressor.
2 Nheyo yekushanda kwemuchina wekuputira
Kazhinji, chinofefetera chiri pamotokari chinoshandiswa ne centrifugal blower, uye mashandiro e centrifugal blower akafanana nee centrifugal fan, kunze kwekuti maitiro ekudzvanya kwemhepo anowanzoitwa pasi pesimba re centrifugal kuburikidza nema impellers anoshanda akawanda (kana matanho akati wandei). Chinofefetera chine rotor inotenderera nekukurumidza, uye banga riri pa rotor rinotyaira mhepo kuti ifambe nekukurumidza. Simba re centrifugal rinoita kuti mhepo ifambe ichienda kunzvimbo inobuda feni nemutsara we involute muchimiro che involute che casing, uye kufamba kwemhepo nekukurumidza kune kumanikidzwa kwemhepo. Mhepo itsva inozadzwazve nepakati peimba.
Panyaya yedzidziso, curve inoratidza kumanikidzwa kwemhepo ye centrifugal blower imutsetse wakatwasuka, asi nekuda kwekusagadzikana kwekufambisa uye kurasikirwa kumwe mukati mefeni, curve chaiyo yekumanikidzwa nekuyerera kwemhepo inoderera zvishoma nezvishoma nekuwedzera kwehuwandu hwekuyerera kwemhepo, uye curve inoenderana yesimba remhepo yefeni yecentrifugal inokwira nekuwedzera kwehuwandu hwekuyerera kwemhepo. Kana feni iri kumhanya nekumhanya kwakasimba, nzvimbo yekushanda yefeni ichafamba necurve inoratidza kumanikidzwa kwemhepo. Mamiriro ekushanda kwefeni panguva yekushanda haangotsamiri pakushanda kwayo chete, asiwo pahunhu hwesystem. Kana kuramba kwenetwork yepombi kuchiwedzera, curve inoshanda yepombi inokwira zvakanyanya. Nheyo huru yekudzora fan ndeyekuwana mamiriro ekushanda anodiwa nekushandura curve inoshanda yefeni pachayo kana curve inoratidza yenetwork yepombi yekunze. Saka, mamwe masisitimu akangwara akaiswa pamotokari kuti abatsire mota kushanda zvakanaka pakutyaira nekumhanya kwakaderera, kumhanya kwepakati uye kumhanya kwakakwirira.
Nheyo yekudzora blower
2.1 Kudzora otomatiki
Kana switch ye "otomatiki" yebhodhi rekudzora mhepo yadzvanywa, komputa inogadzirisa otomatiki kumhanya kwemuchina wekufemesa zvichienderana nekupisa kwemhepo kunodiwa.
Kana nzira yekuyerera kwemhepo yasarudzwa mu "face" kana "dual flow direction", uye blower iri mu low speed, blower speed inochinja zvichienderana nesimba rezuva riri mukati me limit range.
(1) Kushanda kwekutonga kwekukurumidza kwakaderera
Munguva yekudzora kumhanya kushoma, komputa inotonhodza mhepo inobvisa simba remagetsi remagetsi matatu, uye simba remagetsi matatu nerelay yekukurumidza zvakanyanya zvinobviswawo. Simba remagetsi rinoyerera kubva kumota inoburitsa mhepo kuenda kumudziyo unobvisa mhepo, uye rinotora simbi kuti mota imhanye nekukurumidza kushoma.
Kombiyuta ine mhepo inotonhodza ine zvikamu zvinomwe zvinotevera: bhatiri rimwe, switch mbiri dzekupisa, relay yeheater nhatu, mota inotonhodza, resistor yeblower 5, transistor yesimba 6, waya yefuse yekupisa 7, kombiyuta ine mhepo inotonhodza 8, relay yekukurumidza 9.
(2) Kushanda kwekutonga kwepakati nepakati
Munguva yekudzora kumhanya kwepakati, simba remagetsi matatu rinounganidza fuse yekupisa, iyo inodzivirira simba remagetsi matatu kubva mukukuvadzwa zvakanyanya. Kombiyuta inotonhodza mhepo inochinja simba remagetsi remagetsi matatu nekushandura chiratidzo chekutyaira blower kuti ibudirire chinangwa chekudzora kumhanya kwemota yemagetsi isina waya.
3) Kushanda kwekutonga kwekumhanya kwakanyanya
Munguva yekudzora kumhanya kwakanyanya, komputa inotonhodza mhepo inobvisa simba remagetsi remagetsi matatu, simbi yayo yekubatanidza nhamba 40, uye relay inomhanyisa inobatidzwa, uye magetsi anobva kumota inovhuvhuta anoyerera nepakati perelay inomhanyisa kumhanya, uye oenda kusimbi inosunga, zvichiita kuti mota itenderere nekumhanya kukuru.
2.2 Kupisa
Mumamiriro ekudzora otomatiki, sensor yekupisa yakaiswa muchikamu chezasi che heater core inoona tembiricha ye coolant uye inoita preheating control. Kana tembiricha ye coolant iri pasi pe 40 ° C uye otomatiki switch yabatidzwa, kombiyuta ye air conditioner inovhara blower kudzivirira mhepo inotonhora kuti isaburitswe. Kusiyana neizvi, kana tembiricha ye coolant iri pamusoro pe 40 ° C, kombiyuta ye air conditioner inotanga blower uye inoita kuti itenderere nekukurumidza kwakaderera. Kubva ipapo zvichienda mberi, kumhanya kwe blower kunodzorwa otomatiki zvichienderana nekuyerera kwemhepo kwakaverengerwa uye tembiricha yemhepo inodiwa.
Kudzora kupisa kwatsanangurwa pamusoro apa kunongovapo chete kana kuyerera kwemhepo kwasarudzwa munzira ye "pasi" kana "kuyerera kaviri".
2.3 Kudzora kuyerera kwemhepo kunonoka (kwekutonhodza chete)
Kudzora kunonoka kwemhepo kunobva pakupisa kuri mukati memuchina unotonhorera kunoonekwa ne sensor yekupisa ye evaporator.
Kudzora kufamba kwemhepo kunogona kudzivirira kubuda kwemhepo inopisa kubva mumhepo inotonhodza netsaona. Kudzora kunonoka uku kunoitwa kamwe chete kana injini yatanga uye zvinotevera zvinosangana: 1 compressor operation; Tenderedza 2 blower control mu "automatic" state (otomatiki switch on); 3 Kudzora kufamba kwemhepo mu "face" state; Gadzirisa ku "Face" kuburikidza neface switch, kana kuisa ku "face" mu automatic control; 4 Tembiricha iri mukati me cooler yakakwira kupfuura 30℃
Kushanda kwekudzora kunonoka kwemhepo kunotevera:
Kunyangwe kana zvese zviri pamusoro apa zvazadzikiswa uye injini yatanga kushanda, mota yekuburitsa haigone kutanga kushanda nekukasika. Mota yekuburitsa ine musiyano we4s, asi compressor inofanira kubatidzwa, uye injini inofanira kutanga kushanda, uye gasi remufiriji rinofanira kushandiswa kutonhodza evaporator. Mota yekuburitsa yekumashure ye4s inotanga, inoshanda nekumhanya kwakaderera munguva yekutanga ye5s, uye inomhanyisa zvishoma nezvishoma kusvika pakumhanya kwakanyanya munguva yekupedzisira ye6s. Kushanda uku kunodzivirira kubuda kamwe kamwe kwemhepo inopisa kubva mumhepo, izvo zvinogona kukonzera kusagadzikana.
Mashoko ekupedzisira
Sisitimu yemhepo inotonhodza mota inodzorwa nekombuta inogona kugadzirisa yega tembiricha, hunyoro, kuchena, maitiro uye kufefetera kwemhepo mumotokari, uye kuita kuti mhepo iri mumotokari ifambe nekumhanya kwakati kuti ipe nzvimbo yakanaka yekutyaira kune vafambi, uye kuve nechokwadi chekuti vafambi vari munzvimbo ine mhepo yakasununguka pasi pemamiriro ekunze akasiyana-siyana. Inogona kudzivirira girazi rehwindo kuti risatsvedze, kuitira kuti mutyairi agone kuona zvakanaka, uye kupa vimbiso yekutanga yekutyaira zvakachengeteka.
Kana uchida kuziva zvakawanda, ramba uchiverenga zvimwe zvinyorwa pane ino saiti!
Ndapota tifonerei kana muchida zvigadzirwa zvakadaro.
Zhuo Meng Shanghai Auto Co., Ltd. yakazvipira kutengesa zvikamu zvemota zveMG&MAUXS zvinogamuchirwa kutenga.
