Nazi ezinye iireferensi zakho malunga nendlela yokukhetha izibonisi zokufuma:

Ukwahlula kunye neempawu zezivamvo zokufuma: Izinzwa zokufuma zahlulwe zibe ziintlobo zokuxhathisa kunyeamandla-uhlobo, kwaye ifom esisiseko yemveliso kukugquma i-sensor material kwi-substrate ukwenza i-membrane yokuva. Emva kokoamanziUmphunga emoyeni ubhengezwa kwizinto ezizivayo, i-impedance kunye ne-dielectric constant of the element itshintsha kakhulu, ngaloo ndlela yenze into enobuzaza bokufuma.

Ukuchaneka kunye nokuzinza kwexesha elide: Ukuchaneka kweenzwa zokufuma kufuneka kufikelele ± 2% ukuya ku-± 5% RH. Kunzima ukufezekisa eli nqanaba, kwaye ngokuqhelekileyo, i-drift ingaphakathi kwe-± 2%. Nangaphezulu.

Ubushushui-coefficient of humidity sensors: Ukongeza kwi-coefficient yokufuma okusingqongileyo, izinzwa zokufuma nazo zivakalelwa kakhulu kubushushu. I-coefficient yobushushu ikholisa ukuba phakathi kwe-0.2 ukuya ku-0.8% RH/℃, kwaye ezinye zinokwahluka ngokuxhomekeke kubumanzi obunxulumeneyo. Ukukhukuliseka kweqondo elilinganayo lezoluvo zokufuma kuchaphazela ngokuthe ngqo isiphumo sembuyekezo, kwaye ukukhukuliseka kobushushu obungahambelaniyo kuhlala kusilela ukuphumeza iziphumo ezilungileyo zembuyekezo.Kuphelakunye ne-hardware yokulandelela ubushushu imbuyekezo unako imbuyekezo yenyani iziphumo zifikelelwe. Uluhlu lweqondo lokushisa olusebenzayo lwezinzwa ezininzi zokufuma kunzima ukugqitha kuma-40 ℃.

AmandlaUbonelelo lwezinzwa zokufuma: Uninzi lwezixhobo ezingevani nokufuma okunje ngeceramics zentsimbi oxide, iipolymers, kunye ne-lithium chloride ziye zitshintshe ukusebenza okanye zingaphumeleli xa usebenzisa i-DC.I-Voltage. Ke ngoko, ezi zinzwa zokufuma kufuneka zinikwe amandla yi-ACamandla.

Ukutshintshatshintsha: Okwangoku, kukho ingxaki ebalulekileyo ngokutshintshana kwezinzwa zokufuma. Iinzwa zemodeli efanayo azikwazi ukutshintshwa, ezichaphazela kakhulu umphumo wokusetyenziswa kwaye zongeza ubunzima ekugcinweni nasekuthumeni. Abanye abavelisi baye benza iinzame ezahlukeneyo kulo mba kwaye baye bafumana iziphumo ezilungileyo.

Ukulinganisa ukufuma: Ukulinganisa ukufuma kunzima kakhulu kunokulinganisa ubushushu. Iithemometha eziqhelekileyo zidla ngokusetyenziselwa ukulinganisa ubushushu, kodwa ukulinganisa ukufuma, iindlela zokulinganisa isisombululo setyuwa ehluthisiweyo zidla ngokusetyenziswa, kwaye nobushushu kufuneka bulinganiswe.

Iindlela ezininzi zokugweba ekuqaleni ukusebenza kweenzwa zokufuma: Ngokungabikho kokulinganisa okunzima kweenzwa zokufuma, ezinye iindlela ezilula kunye nezifanelekileyo zingasetyenziselwa ukugweba ukusebenza kweenzwa zokufuma.

Ukuzimisela kokungaguquguquki: Thenga ngaphezulu kweenzwa zokufuma ezimbini zohlobo olufanayo kunye nomenzi. Okukhona, ngcono. Zibeke kunye kwaye uthelekise amaxabiso emveliso. Phantsi kweemeko ezizinzileyo, jonga ukuhambelana kovavanyo. Uvavanyo olongezelelweyo lunokwenziwa ngokurekhodwa kwamathuba kwiiyure ezingama-24, kwaye ujonge kwiimeko ezahlukeneyo zokufuma kunye neemeko zobushushu, ezifana nokufuma okuphezulu, okuphakathi, kunye nokuphantsi, ukujonga ngokupheleleyo ukuhambelana kunye nokuzinza kwemveliso, kuquka iimpawu zembuyekezo yobushushu.

Ukuva ukufuma ngokuvuthela ngomlomo okanye ngokusebenzisa ezinye iindlela zokufuma: Jonga ubuntununtunu bayo, ukuphinda-phinda, ukufunxa ukufuma kunye nokusebenza kobumanzi, kunye nesisombululo kunye nobuninzi boluhlu lwemveliso.

Uvavanyo kwiibhokisi ezivulekileyo nezivaliweyo: Thelekisa kwaye uvavanye ukuba ziyahambelana na, kwaye ujonge isiphumo se-thermal.

Ukuvavanya kumaqondo obushushu aphezulu naphantsi (ngokomgangatho okwincwadi): Uvavanye kwaye uthelekise kunye neerekhodi ngaphambi nangemva kokubuyela kwisiqhelo, ukuvavanya ukulungelelaniswa kobushushu bemveliso kwaye ugcine ukuhambelana kwemveliso.

Ukusebenza kwemveliso ekugqibeleni kuxhomekeke kwiindlela ezipheleleyo nezifanelekileyo zokufumanisa isebe lokuhlola umgangatho. Iukuhluzaisisombululo setyuwa sisetyenziselwa ukulinganisa, okanye imveliso inokuthelekiswa kwaye ivavanywe. Ukulinganisa ixesha elide ngexesha lokusetyenziswa kwexesha elide lemveliso kuyafuneka ukuba ugwebe ngokubanzi umgangatho wenzwa yokufuma.

Uhlalutyo lweemveliso ezininzi zenzwa yokufuma kwimarike: Uninzi lweemveliso zesivamvo zokufuma zasekhaya nezangaphandle ziye zavela kwimarike, kunye nohlobo lokufuma-onovakaleloizinto zixhaphake ngakumbi. Iindidi zezixhobo zokuva zibandakanya i-polymers, i-lithiumikloridi, kunye neeoksidi zentsimbi.

Izinto eziluncedo ze-capacitance-type-sensitive elements zisantya sokuphendula ngokukhawuleza, ubungakanani obuncinci, kunye nomgca olungileyo. Azinzile ngokwentelekiso. Ezinye iimveliso zangaphandle zinobushushu obuphezulu bokusebenza. Nangona kunjalo, iimveliso eziphezulu zolu hlobo zivela kumazwe angaphandle kwaye zibiza kakhulu. Ezinye iimveliso zamaxabiso aphantsi kwimarike zihlala zisilela ukufikelela le migangatho ingasentla, ezinolungelelwaniso olulambathayo, ukungaguquguquki, kunye nokuveliswa kwakhona. Ukwahluka kwimiba yokufuma engaphantsi nangaphezulu (ngaphantsi kwe-30% RH nangaphezulu kwe-80% RH) ibalulekile. Ezinye iimveliso zisebenzisa ii-microcomputers ze-single-chip kwimbuyekezo kunye nokulungiswa, okunciphisa ukuchaneka kunye nokwazisa ukusilela kokutenxa okukhulu kunye nomgca ombi. Kungakhathaliseki ukuba i-capacitance-type-sensitive-sensitive elements ephezulu okanye ephantsi, ukuzinza kwexesha elide akufanelekanga. Emva kokusetyenziswa ixesha elide, i-drift idla ngokuba nzima, kunye nokwahluka kobumanziamandlaamaxabiso akwinqanaba lepF. Utshintsho lwe-1% lwe-RH lungaphantsi kwe-0.5 pF, kwaye ukukhukuliseka kwamaxabiso e-capacitance kudla ngokubangela iimpazamo zamashumi e-RH%. Uninzi lweempawu zohlobo lwe-capacitance-sensitive ukufuma azinayo intsebenzo yokusebenza kumaqondo obushushu angaphezu kwama-40 ℃, kwaye zihlala zisilela okanye zonakaliswe.

I-Capacitive-sensitive elements-sensitive elements nayo ineziphene ezithile malunga nokumelana nokuhlwa. Bahlala befuna umgangatho ophezulu wococeko kwindawo engqongileyo. Ezinye iimveliso zikwathanda ukungaphumeleli njengokungaphumeleli kokukhanya kunye nokusilela okumileyo. Izinzwa ze-Metal oxide ceramic humidity zineenzuzo ezifanayo kunye ne-capacitive humidity sensors, kodwa ukufakwa kothuli lwe-ceramic pores kunokubangela ukusilela kwecandelo. Ngokuqhelekileyo, indlela yokunika amandla ukususa uthuli isetyenziswa, kodwa umphumo awufanelekanga, kwaye awukwazi ukusetyenziswa kwiindawo ezinokutsha kunye neziqhushumbisi. Izinto zokuva i-alumina azikwazi ukunqoba ubuthathaka "bokuguga kwendalo" yesakhiwo somhlaba, kwaye i-impedance ayizinzile. Izinzwa ze-Metal oxide ceramic humidity nazo zinentswelo yozinzo olubi lwexesha elide.

Izinzwa zokufuma zeLithium chloride zineyona nzuzo ibalaseleyo yozinzo olubalaseleyo lwexesha elide. Ngokuveliswa kwenkqubo engqongqo, izixhobo ezenziweyo kunye neenzwa ziyakwazi ukufezekisa ukuchaneka okuphezulu, ukuzinza okulungileyo, kunye nomgca, ukuqinisekisa ubomi obuthembekileyo benkonzo yexesha elide. I-Lithium chloride sensors humidity ayinakutshintshwa ngezinye izixhobo zokuva malunga nokuzinza kwexesha elide.