Indlela yokubona ukuxhathisa:

Okokuqala, ukuhlolwa kwembonakalo

Khangela ukuba iimpawu zicacile, ipeyinti yokukhusela ikhuselekile, ngaphandle kokutshisa, izibazi, iintanda kunye nokubola, kwaye i-resistor idibene ngokusondeleyo nepini.Kwii-potentiometers, kufuneka ukhangele kwakhona ukuba i-shaft ejikelezayo iguquguqukayo, i-elastic kwaye ikhululekile.Ukuba kukho utshintsho, khangela ukuba isenzo sokutshintsha siqhelekile, njl.

Okwesibini, ukubonwa kwe-multimeter

1. Xa ugweba ukuba ukuchasana kulungile okanye kubi nge-pointer multimeter, kufuneka uqale ukhethe i-giya yokulinganisa, uze ubeke i-knob yegiya yokukhulisa kwisixhobo esifanelekileyo.Ngokubanzi, igiya ye-RX1 inokukhethwa kwi-resistors engaphantsi kwe-100 ohms, i-RX10 yegiya ye-resistors phakathi kwe-100 ohms kunye ne-1kohms, i-RX100 yegiya ye-resistors phakathi kwe-1kohms kunye ne-10kohms, i-RX1K ye-RX1K ye-resistors ngaphezulu kwe-100kohms.

2. Emva kokukhetha izixhobo zokulinganisa, linganisa izixhobo zokumelana ne-multimeter ukuya kwi-0. Indlela yokulinganisa i-0 yile: i-short-circuit imivalo yetsimbi yeeprobes ezimbini ze-multimeter, kwaye uqaphele ukuba isalathisi sifikelela kwindawo ye-0. Ukuba ayikho kwindawo ye-0, lungisa isalathisi se-zero knob yokulungelelanisa ukukhomba indawo ye-0 yesikali sokumelana.

3. Emva koko, qhagamshela iiprobes ezimbini ze-multimeter kwiiphelo ezimbini ze-resistor ngokulandelanayo, kwaye i-probes kufuneka ibhekisele kwisikali esihambelanayo sokumelana.Ukuba i-probes ayishukumi kwaye ayizinzile, okanye ixabiso elibonisiweyo lihluke kakhulu kwixabiso elibonakalisiweyo kwi-resistor, lithetha ukuba i-resistor yonakaliswe.

4. Xa ugweba ukuba ukuchasana kulungile okanye kubi nge-multimeter yedijithali, qale ulungise i-knob yegiya ye-multimeter kwisixhobo esifanelekileyo se-ohm gear.Ngokubanzi, iigiya ezingama-200 zinokukhethwa kwi-resistors ezingaphantsi kwe-200 ohms, i-200-2K ohms inokukhethwa kwiigiya ze-2k, i-20-20K ohms inokukhethwa kwiigiya ezingama-20k, i-200K-200M ohms inokukhethwa kwi-2M ohms.Ukuxhatshazwa kwe-2M-20M ohm yi-20M, kwaye ukuchasana kwe-20M ohm okanye ngaphezulu yi-200M.

Umxholo owenziwe ngasentla yindlela yokufumanisa umgangatho wokuchasana.Ngokusebenzisa ezi ndlela zokubona zilula, unokubona ngokukhawuleza umgangatho wokumelana, nto leyo ezisa ilula enkulu ekusebenziseni kwakho.

Yintoni eyenzekayo xa ukuxhathisa kwaphukile?

Xa ukuchasana kuphukile, ngokuqhelekileyo ukuba ukuchasana kuya kuba kukhulu, kwaye ezinye zazo ziya kuba zincinci, okanye ezininzi zivulekile.

Loluphi uphawu olwaphulwe ukuxhathisa kokuvuthela?

Ukumelana nokuvuthela kulawula ubukhulu becala isantya semvutheli.Ukuba ukuchasana nokuvuthela kwaphukile, isantya se-blower siyafana kwiigiya ezahlukeneyo.Emva kokuba ukuchasana nokuvuthela kuphukile, iqhosha lokulawula umthamo womoya lilahlekelwa ngumsebenzi walo wokulawula isantya.Kuya kukhokelela ekungakwazini ukulungelelanisa ukuphuma komoya;Akukho zixhobo ze-1234, enye kuphela indawo yomoya;Kufuneka ibe yimveliso enkulu yomoya;Kukho nabanye abalandeli abangasebenzi ngokuthe ngqo.

Xa i-varistor iyinto eqhelekileyo, ukuchasana kwayo akupheli.Idityaniswe ngokufanayo kuzo zombini iziphelo zonikezelo lwamandla, edlala indima yokukhusela ukugqithisa.Xa igalelo lombane lidlula ixabiso elithile, ukuchasana kwayo ngokukhawuleza kuya kuba kuncinci, okwenza isiphaluka sifutshane, sinciphise ngenkani i-fuse, kwaye sidlala indima yokukhusela izixhobo zombane.Kwiimeko eziqhelekileyo, i-silicon ye-inverter ekhawulezayo kulula ukuphuka.Ukuba i-silicon yokubuyisela yaphukile, kunokwenzeka ukuba kubekho i-overvoltage ngequbuliso okanye i-overcurrent.Ngenxa yokuphazamiseka kwe-trigger okubangelwa ukuphazamiseka komthwalo kunye nokuguquguquka kwamandla, i-silicon yokulungisa nayo iya konakaliswa, kwaye iingxaki ezithile kufuneka zihlalutywe ngokwemeko yomonakalo.

Isizathu sokuba kutheni ukuxhathisa kwe-fan ye-automotive air conditioner kuya kuvutha ngokuqhubekayo;

I-1, i-compressor okanye isiphaluka solawulo esibangelwa isiphaluka esifutshane.

2, i-condenser motor, icompressor electromagnetic clutch, ukusilela kwemoto evaporator.

3. I-fuse ye-automobile air conditioning fan ayihambelani neemfuno, kwaye ixabiso langoku lincinci.

4. Kukho isiphaluka esifutshane kwi-air conditioning system, ebangelwa ngumthwalo omkhulu we-compressor.