Ngokuthuthuka okusheshayo kobuchwepheshe obufana ne-Internet of Things kanye nobuhlakani bokwenziwa, izinzwa zegesi, idivayisi ebalulekile yokuzwa eyaziwa ngokuthi “izinzwa ezinhlanu zikagesi”, zamukela amathuba entuthuko angakaze abonwe. Kusukela ekuqaphelweni kokuqala kwamagesi anobuthi nezingozi ezimbonini kuya ekusetshenzisweni kwawo okubanzi ekuxilongweni kwezokwelapha, ikhaya elihlakaniphile, ukuqapha imvelo kanye neminye imikhakha namuhla, ubuchwepheshe bezinzwa zegesi budlula ekuguqulweni okujulile kusuka emsebenzini owodwa kuya ekuhlakanipheni, ukulinganisa okuncane kanye nobukhulu obuningi. Lesi sihloko sizohlaziya ngokuphelele izici zobuchwepheshe, inqubekela phambili yocwaningo lwakamuva kanye nesimo sokusetshenziswa komhlaba wonke sezinzwa zegesi, ngokunaka kakhulu izitayela zentuthuko emkhakheni wokuqapha igesi emazweni afana ne-China ne-United States.
Izici zobuchwepheshe kanye nezitayela zokuthuthukiswa kwezinzwa zegesi
Njengesiguquli esiguqula ingxenye yevolumu yegesi ethile ibe yisignali kagesi ehambisanayo, inzwa yegesi isibe yingxenye ebalulekile futhi ebalulekile kubuchwepheshe besimanje bokuzwa. Lolu hlobo lwemishini lucubungula amasampula egesi ngamakhanda okuthola, ngokuvamile kufaka phakathi izinyathelo ezifana nokuhlunga ukungcola kanye namagesi aphazamisayo, ukwelashwa kokomisa noma ukubanda, futhi ekugcineni kuguqule ulwazi lokuhlushwa kwegesi lube yizibonakaliso zikagesi ezilinganisekayo. Njengamanje, kunezinhlobo ezahlukene zezinzwa zegesi emakethe, kufaka phakathi uhlobo lwe-semiconductor, uhlobo lwe-electrochemical, uhlobo lokushisa kwe-catalytic, izinzwa zegesi ze-infrared kanye nezinzwa zegesi ze-photoionization (PID), njll. Ngayinye yazo inezici zayo futhi isetshenziswa kabanzi emikhakheni yokuhlola yomphakathi, yezimboni kanye nemvelo.
Ukuqina nokuzwela kuyizinkomba ezimbili eziyinhloko zokuhlola ukusebenza kwezinzwa zegesi. Ukuqina kubhekisela ekuqhubekeni kwempendulo eyisisekelo yenzwa phakathi nesikhathi sayo sonke sokusebenza, okuncike ekukhuphukeni okungu-zero kanye nokukhuphuka kwezikhawu. Ngokufanelekile, kuzinzwa zekhwalithi ephezulu ngaphansi kwezimo zokusebenza eziqhubekayo, ukukhuphuka okungu-zero kwaminyaka yonke kufanele kube ngaphansi kuka-10%. Ukuzwela kubhekisela esilinganisweni soshintsho ekuphumeni kwenzwa ekushintsheni kokufakwayo okulinganisiwe. Ukuzwela kwezinhlobo ezahlukene zezinzwa kuyahlukahluka kakhulu, ikakhulukazi kuye ngezimiso zobuchwepheshe kanye nokukhethwa kwezinto ezisetshenziswayo. Ngaphezu kwalokho, ukukhetha (okungukuthi, ukuzwela okuwelanayo) kanye nokumelana nokugqwala nakho kuyimingcele ebalulekile yokuhlola ukusebenza kwezinzwa zegesi. Eyokuqala inquma ikhono lokubona lenzwa endaweni exubile yegesi, kuyilapho eyesibili ihlobene nokubekezelela kwenzwa kumagesi aqondiwe aphezulu.
Intuthuko yamanje yobuchwepheshe bezinzwa zegesi iveza izitayela eziningana ezisobala. Okokuqala, ucwaningo nokuthuthukiswa kwezinto ezintsha kanye nezinqubo ezintsha kuqhubekile nokujula. Izinto zendabuko ze-semiconductor ze-metal oxide ezifana ne-ZnO, i-SiO₂, i-Fe₂O₃, njll. sezivuthiwe. Abacwaningi baphuza utshwala, bashintsha futhi bashintsha ubuso bezinto ezikhona ezithinta igesi ngezindlela zokuguqula amakhemikhali, futhi bathuthukisa inqubo yokwenza ifilimu ngesikhathi esifanayo ukuze kuthuthukiswe ukuzinza nokukhetha kwezinzwa. Okwamanje, ukuthuthukiswa kwezinto ezintsha ezifana nezinto ezihlanganisiwe nezihlanganisiwe ezithinta igesi kanye nezinto ezithinta igesi ze-polymer nakho kuthuthukiswa ngenkuthalo. Lezi zinto zibonisa ukuzwela okuphezulu, ukukhetha kanye nokuzinza kumagesi ahlukene.
Ukuhlakanipha kwezinzwa kungenye indlela ebalulekile yokuthuthukiswa. Ngokusetshenziswa ngempumelelo kobuchwepheshe obusha bezinto ezifana ne-nanotechnology kanye nobuchwepheshe befilimu encane, izinzwa zegesi ziya ngokuya zihlanganiswa futhi zihlakaniphe. Ngokusebenzisa ngokugcwele ubuchwepheshe obuhlanganisiwe obuhlanganisa izifundo eziningi njengobuchwepheshe be-micro-mechanical kanye ne-microelectronics, ubuchwepheshe bekhompyutha, ubuchwepheshe bokucubungula amasignali, ubuchwepheshe bezinzwa, kanye nobuchwepheshe bokuhlonza amaphutha, abacwaningi bathuthukisa izinzwa zegesi ezihlakaniphile zedijithali ezizenzakalelayo ngokuphelele ezikwazi ukuqapha amagesi amaningi ngasikhathi sinye. Inzwa eguquguqukayo yohlobo oluguquguqukayo oluguquguqukayo olusanda kuthuthukiswa yiqembu locwaningo likaSolwazi Ohlangene uYi Jianxin ovela kwi-State Key Laboratory of Fire Science e-University of Science and Technology of China iwummeleli ojwayelekile walo mkhuba. Le sensor iqaphela ukutholwa okunezinhlangothi ezintathu kanye nokuhlonza okunembile kwamagesi amaningi kanye nezici zomlilo ngedivayisi eyodwa 59.
Ukuhlelwa kabusha kanye nokwenza ngcono i-algorithm nakho kuthola ukunakwa okwandayo. Ngenxa yenkinga yokusabela kwe-broad-spectrum ye-gas sensor eyodwa, ivame ukuphazamiseka lapho kukhona amagesi amaningi ngasikhathi sinye. Ukusebenzisa izinzwa zegesi eziningi ukwakha i-array sekuyindlela ephumelelayo yokuthuthukisa ikhono lokubona. Ngokwandisa ubukhulu begesi etholakele, i-sensor array ingathola izimpawu ezengeziwe, okusiza ekuhloleni amapharamitha amaningi nokuthuthukisa ikhono lokwahlulela nokubona. Kodwa-ke, njengoba inani lezinzwa ku-array landa, ubunzima bokucubungula idatha nabo buyakhuphuka. Ngakho-ke, ukwenza ngcono i-sensor array kubaluleke kakhulu. Ekusetshenzisweni kahle kwe-array, izindlela ezifana ne-correlation coefficient kanye nokuhlaziywa kweqembu ziyasetshenziswa kabanzi, kuyilapho ama-algorithm okubona igesi afana ne-Principal Component Analysis (PCA) kanye ne-artificial neural Network (ANN) ethuthukise kakhulu ikhono lokubona iphethini lezinzwa.
Ithebula: Ukuqhathaniswa Kokusebenza Kwezinhlobo Eziyinhloko Zezinzwa Zegesi
Uhlobo lwenzwa, isimiso sokusebenza, izinzuzo kanye nokungalungi, isikhathi sokuphila esijwayelekile
Ukumuncwa kwegesi kohlobo lwe-semiconductor kunezindleko eziphansi ekushintsheni ukumelana kwama-semiconductor, impendulo esheshayo, ukukhetha okubi, futhi kuthinteka kakhulu izinga lokushisa kanye nomswakama iminyaka engu-2-3.
Igesi ye-electrochemical idlula ekuphenduleni kwe-REDOX ukuze ikhiqize ugesi, onokukhetha okuhle kanye nokuzwela okuphezulu. Kodwa-ke, i-electrolyte inokuguga okulinganiselwe kanye nokuphila kweminyaka eyi-1-2 (ye-electrolyte ewuketshezi).
Ukushiswa kwegesi okuvuthayo kohlobo lwe-catalytic burn kubangela izinguquko zokushisa. Kwenzelwe ngqo ukuthola igesi evuthayo futhi kusebenza kuphela kugesi evuthayo cishe iminyaka emithathu.
Amagesi e-infrared anokunemba okuphezulu ekumunceni ukukhanya kwe-infrared kwamaza athile, awabangeli ubuthi, kodwa anezindleko eziphakeme kanye nomthamo omkhulu iminyaka emi-5 kuya kweyi-10.
I-Photoionization (PID) ultraviolet photoionization yokuthola ama-molecule egesi e-VOCs inozwela oluphezulu futhi ayikwazi ukuhlukanisa izinhlobo zama-compounds iminyaka emi-3 kuya kwemi-5
Kuyaphawuleka ukuthi nakuba ubuchwepheshe bezinzwa zegesi buthuthuke kakhulu, busabhekene nezinselelo ezithile ezivamile. Isikhathi sokuphila sezinzwa sinciphisa ukusetshenziswa kwazo emikhakheni ethile. Isibonelo, isikhathi sokuphila sezinzwa ze-semiconductor cishe siyiminyaka emi-2 kuya kwemi-3, isikhathi sezinzwa zegesi ze-electrochemical cishe singunyaka owodwa kuya kwemibili ngenxa yokulahlekelwa yi-electrolyte, kuyilapho isikhathi sezinzwa ze-electrochemical ze-electrochemical ze-solid-state singafinyelela eminyakeni emi-5. Ngaphezu kwalokho, izinkinga zokukhukhuleka (izinguquko ekuphenduleni kwezinzwa ngokuhamba kwesikhathi) kanye nezinkinga zokungaguquguquki (umehluko wokusebenza phakathi kwezinzwa eziku-batch efanayo) nazo ziyizici ezibalulekile ezivimbela ukusetshenziswa okubanzi kwezinzwa zegesi. Ekuphenduleni lezi zinkinga, abacwaningi, ngakolunye uhlangothi, bazibophezele ekuthuthukiseni izinto ezithinta igesi kanye nezinqubo zokukhiqiza, kanti ngakolunye uhlangothi, banxephezela noma bacindezela ithonya lokukhukhuleka kwezinzwa emiphumeleni yokulinganisa ngokuthuthukisa ama-algorithms okucubungula idatha athuthukile.
Izimo zokusetshenziswa ezahlukahlukene zezinzwa zegesi
Ubuchwepheshe bezinzwa zegesi bungene kuzo zonke izici zokuphila komphakathi. Izimo zokusetshenziswa kwazo sezidlule isikhathi eside ububanzi bokuqapha ukuphepha kwezimboni futhi zanda ngokushesha emikhakheni eminingi efana nempilo yezokwelapha, ukuqapha kwemvelo, ikhaya elihlakaniphile, kanye nokuphepha kokudla. Lo mkhuba wezinhlelo zokusebenza ezahlukahlukene awubonisi nje kuphela amathuba alethwa yintuthuko yezobuchwepheshe kodwa futhi ubonisa isidingo esikhulayo somphakathi sokutholwa kwegesi.
Ukuphepha kwezimboni kanye nokuqapha igesi eyingozi
Emkhakheni wokuphepha kwezimboni, izinzwa zegesi zidlala indima engenakuphikwa, ikakhulukazi ezimbonini ezinobungozi obukhulu njengobunjiniyela bamakhemikhali, uphethiloli, kanye nezimayini. "Uhlelo lwe-14 lweminyaka emihlanu lwaseShayina lokukhiqizwa kokuphepha kwamakhemikhali ayingozi" ludinga ngokusobala amapaki ezimboni amakhemikhali ukuthi asungule uhlelo oluphelele lokuqapha kanye nokuxwayisa kusenesikhathi ngamagesi anobuthi nayingozi futhi akhuthaze ukwakhiwa kwamapulatifomu okulawula ubungozi ahlakaniphile. "Uhlelo Lokusebenza Lokuphepha Kwe-inthanethi Yezimboni kanye Nomsebenzi" lukhuthaza namapaki ukuthi asebenzise izinzwa ze-Intanethi Yezinto kanye namapulatifomu okuhlaziya i-AI ukuze kufezwe ukuqapha ngesikhathi sangempela kanye nokuphendula okuhlelekile ezingozini ezifana nokuvuza kwegesi. Lezi zindlela zokuqondisa inqubomgomo zikhuthaze kakhulu ukusetshenziswa kwezinzwa zegesi emkhakheni wokuphepha kwezimboni.
Izinhlelo zokuqapha igesi yezimboni zanamuhla ziye zakha izindlela ezahlukene zobuchwepheshe. Ubuchwepheshe bokuthwebula izithombe zamafu egesi bubona ukuvuza kwegesi ngokubonisa ngokubonakalayo ubuningi begesi njengezinguquko emazingeni ampunga e-pixel esithombeni. Amandla ayo okuthola ahlobene nezici ezifana nokuhlushwa kanye nomthamo wegesi evuzayo, umehluko wokushisa kwangemuva, kanye nebanga lokuqapha. Ubuchwepheshe be-fourier transform infrared spectroscopy bungaqapha ngekhwalithi nangobungako izinhlobo ezingaphezu kuka-500 zamagesi kufaka phakathi angaphili, aphilayo, anobuthi nanobungozi, futhi bungaskena ngasikhathi sinye izinhlobo ezingama-30 zamagesi. Bufanele izidingo zokuqapha igesi eziyinkimbinkimbi ezindaweni zezimboni zamakhemikhali. Lobu buchwepheshe obuthuthukisiwe, uma buhlanganiswa nezinzwa zegesi zendabuko, bakha inethiwekhi yokuqapha ukuphepha kwegesi yezimboni enamazinga amaningi.
Ezingeni elithile lokusetshenziswa, izinhlelo zokuqapha igesi yezimboni kudingeka zihambisane nochungechunge lwezindinganiso zikazwelonke nezamazwe ngamazwe. “Indinganiso Yokuklama Yokuthola kanye Nesixwayiso Samagesi Avuthayo Nanobuthi Embonini Ye-Petrochemical” GB 50493-2019 yaseShayina kanye “Nezincazelo Ezijwayelekile Zobuchwepheshe Zokuqapha Ukuphepha Kwemithombo Eyingozi Emikhulu Yamakhemikhali Ayingozi” AQ 3035-2010 zinikeza izincazelo zobuchwepheshe zokuqapha igesi yezimboni 26. Emhlabeni jikelele, i-OSHA (Occupational Safety and Health Administration of the United States) ithuthukise uchungechunge lwezindinganiso zokuthola igesi, ezidinga ukutholwa kwegesi ngaphambi kokusebenza kwendawo evalekile futhi ziqinisekise ukuthi ukugcwala kwamagesi ayingozi emoyeni kungaphansi kwezinga eliphephile lika-610. Izindinganiso ze-NFPA (National Fire Protection Association of the United States), njenge-NFPA 72 kanye ne-NFPA 54, zibeka phambili izidingo ezithile zokutholwa kwamagesi avuthayo namagesi anobuthi 610.
Ukuxilongwa kwezempilo kanye nezifo zezokwelapha
Insimu yezokwelapha nezempilo isiba ngenye yezimakethe zezicelo ezithembisayo kakhulu zezinzwa zegesi. Igesi ekhishwa emzimbeni womuntu iqukethe inani elikhulu lama-biomarker ahlobene nezimo zezempilo. Ngokuthola la ma-biomarker, ukuhlolwa kwasekuqaleni nokuqapha okuqhubekayo kwezifo kungafinyelelwa. Idivayisi yokuthola i-acetone yokuphefumula ephethwe ngesandla eyenziwe yithimba likaDkt. Wang Di elivela eZhejiang Laboratory's Super Perception Research Center iwummeleli ojwayelekile walolu hlelo lokusebenza. Le divayisi isebenzisa indlela yobuchwepheshe be-colorimetric ukukala okuqukethwe kwe-acetone emoyeni womuntu okhishwa umoya ngokuthola ushintsho lombala wezinto ezizwela igesi, ngaleyo ndlela kufezwe ukutholakala okusheshayo nokungebuhlungu kwesifo sikashukela sohlobo 1.
Uma izinga le-insulin emzimbeni womuntu liphansi, alikwazi ukuguqula i-glucose ibe amandla bese liphula amafutha. Njengenye yemikhiqizo ephuma ngemuva kokuqhekeka kwamafutha, i-acetone ikhishwa emzimbeni ngokuphefumula. UDkt. Wang Di uchaze 1. Uma kuqhathaniswa nokuhlolwa kwegazi okuvamile, le ndlela yokuhlola ukuphefumula inikeza ulwazi olungcono lokuxilonga nokwelapha. Ngaphezu kwalokho, ithimba lithuthukisa inzwa ye-acetone "yokukhishwa kwansuku zonke". Le divayisi egqokwayo engabizi kakhulu ingalinganisa ngokuzenzakalelayo igesi ye-acetone ekhishwa esikhumbeni ubusuku nemini. Esikhathini esizayo, uma ihlanganiswa nobuchwepheshe bobuhlakani bokwenziwa, ingasiza ekuxilongweni, ekuqapheni nasekuqondisweni kwemithi yesifo sikashukela.
Ngaphandle kwesifo sikashukela, izinzwa zegesi nazo zibonisa amandla amakhulu ekuphathweni kwezifo ezingamahlalakhona kanye nokuqapha izifo zokuphefumula. Ijika lokuhlushwa kwe-carbon dioxide liyisisekelo esibalulekile sokwahlulela isimo sokuphefumula kwamaphaphu seziguli, kuyilapho amajika okuhlushwa kwezimpawu ezithile zegesi ekhombisa ukuthambekela kokuthuthuka kwezifo ezingamahlalakhona. Ngokwesiko, ukuchazwa kwale datha kwakudinga ukubamba iqhaza kwabasebenzi bezokwelapha. Kodwa-ke, ngokunikwa amandla kobuchwepheshe bobuhlakani bokwenziwa, izinzwa zegesi ezihlakaniphile azikwazi nje ukubona amagesi nokudweba amajika, kodwa futhi zinqume izinga lokuthuthuka kwesifo, kunciphisa kakhulu ingcindezi kubasebenzi bezokwelapha.
Emkhakheni wamadivayisi agqokwayo ezempilo, ukusetshenziswa kwezinzwa zegesi kusesesigabeni sokuqala, kodwa amathuba abanzi. Abacwaningi abavela ku-Zhuhai Gree Electric Appliances baveze ukuthi yize izinto zasekhaya zihlukile kumadivayisi ezokwelapha anemisebenzi yokuxilonga izifo, emkhakheni wokuqapha impilo yasekhaya nsuku zonke, ama-array ezinzwa zegesi anezinzuzo ezifana nezindleko eziphansi, ukungangenisi kanye nokunciphisa, okwenza kulindeleke ukuthi avele kakhulu ezintweni zasekhaya ezifana nezinto zokunakekelwa ngomlomo kanye nezindlu zangasese ezihlakaniphile njengokuqapha okusizayo kanye nezixazululo zokuqapha ngesikhathi sangempela. Njengoba isidingo esikhulayo sempilo yasekhaya, ukuqapha isimo sempilo yabantu ngezinto zasekhaya kuzoba yisiqondiso esibalulekile sokuthuthukiswa kwezindlu ezihlakaniphile.
Ukuqapha imvelo kanye nokuvimbela nokulawula ukungcola
Ukuqapha imvelo kungenye yezindawo lapho izinzwa zegesi zisetshenziswa khona kakhulu. Njengoba ukugcizelelwa komhlaba wonke ekuvikelweni kwemvelo kuqhubeka nokukhula, isidingo sokuqapha ukungcola okuhlukahlukene emkhathini naso sikhula usuku nosuku. Izinzwa zegesi zingathola amagesi ayingozi njenge-carbon monoxide, i-sulfur dioxide ne-ozone, okuhlinzeka ngethuluzi eliphumelelayo lokuqapha ikhwalithi yomoya emvelweni.
Inzwa yegesi ye-UGT-E4 ye-electrochemical ye-British Gas Shield Company ingumkhiqizo omele emkhakheni wokuqapha imvelo. Ingalinganisa ngokunembile okuqukethwe kokungcola emkhathini futhi inikeze ukwesekwa kwedatha okufika ngesikhathi nangokunembile kweminyango yokuvikela imvelo. Le sensor, ngokuhlanganiswa nobuchwepheshe besimanje bolwazi, ifeze imisebenzi efana nokuqapha kude, ukulayishwa kwedatha, kanye ne-alamu ehlakaniphile, okuthuthukisa kakhulu ukusebenza kahle kanye nokulula kokutholwa kwegesi. Abasebenzisi bangalandela izinguquko ekugxilweni kwegesi nganoma yisiphi isikhathi nanoma kuphi ngokusebenzisa omakhalekhukhwini babo noma amakhompyutha, okuhlinzeka ngesisekelo sesayensi sokuphathwa kwezemvelo kanye nokwenza izinqubomgomo.
Ngokuphathelene nokuqapha ikhwalithi yomoya wangaphakathi, izinzwa zegesi nazo zidlala indima ebalulekile. Indinganiso ye-EN 45544 ekhishwe yiKomidi LaseYurophu Lokumisa (i-EN) yenzelwe ngqo ukuhlolwa kwekhwalithi yomoya wangaphakathi futhi ihlanganisa izidingo zokuhlola amagesi ahlukahlukene ayingozi 610. Izinzwa ezivamile ze-carbon dioxide, izinzwa ze-formaldehyde, njll. emakethe zisetshenziswa kabanzi ezindaweni zokuhlala zomphakathi, ezakhiweni zezentengiselwano nasezindaweni zokuzijabulisa zomphakathi, okusiza abantu ukudala indawo enempilo nekhululekile yangaphakathi. Ikakhulukazi ngesikhathi sobhubhane lwe-COVID-19, umoya ongenisa umoya wangaphakathi kanye nekhwalithi yomoya kuye kwathola ukunakwa okungakaze kubonwe, okukhuthaza kakhulu ukuthuthukiswa kanye nokusetshenziswa kobuchwepheshe bezinzwa obuhlobene.
Ukuqapha ukukhishwa kwekhabhoni kuyindlela entsha yokusetshenziswa kwezinzwa zegesi. Ngokuphikisana nokungathathi hlangothi kwekhabhoni emhlabeni jikelele, ukuqapha okunembile kwamagesi okushisa njengekhabhoni dioksijini sekubaluleke kakhulu. Izinzwa zekhabhoni dioksijini ezine-infrared zinezinzuzo ezihlukile kulo mkhakha ngenxa yokunemba kwazo okuphezulu, ukukhetha okuhle kanye nokuphila isikhathi eside kwenkonzo. "Iziqondiso Zokwakhiwa Kwezinkundla Zokulawula Ingozi Yokuphepha Ezihlakaniphile Emapaki Ezimboni Zamakhemikhali" eShayina zibhale ukuqapha igesi evuthayo/enobuthi kanye nokuhlaziywa kokulandelela umthombo wokuvuza njengokuqukethwe okuphoqelekile kokwakhiwa, okubonisa ukugcizelela kwezinga lenqubomgomo endimeni yokuqapha igesi emkhakheni wokuvikelwa kwemvelo.
Ukuphepha Kwasekhaya Nokudla Okuhlakaniphile
I-Smart home iyimakethe yezicelo zabathengi ethembisayo kakhulu yezinzwa zegesi. Njengamanje, izinzwa zegesi zisetshenziswa kakhulu ezintweni zasekhaya ezifana nezihlanzi zomoya kanye neziphephetha-moya ezintsha. Kodwa-ke, ngokwethulwa kwama-sensor arrays kanye nama-algorithms ahlakaniphile, amandla azo okusebenzisa ezimweni ezifana nokulondolozwa, ukupheka, kanye nokuqapha impilo ayasetshenziswa kancane kancane.
Ngokuphathelene nokugcinwa kokudla, izinzwa zegesi zingaqapha iphunga elibi elikhishwa ukudla ngesikhathi sokugcina ukuze kutholakale ukuthi ukudla kusha kangakanani. Imiphumela yocwaningo lwakamuva ikhombisa ukuthi kungakhathaliseki ukuthi kusetshenziswa inzwa eyodwa ukuqapha ukuhlushwa kwephunga noma i-gas sensor array ehlanganiswe nezindlela zokuqaphela amaphethini ukuze kutholakale ukuthi ukudla kusha kangakanani, imiphumela emihle iye yatholakala. Kodwa-ke, ngenxa yobunzima bezimo zangempela zokusetshenziswa kwesiqandisi (njengokuphazamiseka kwabasebenzisi ekuvuleni nasekuvaleni iminyango, ukuqala nokumisa ama-compressor, kanye nokugeleza komoya wangaphakathi, njll.), kanye nethonya elihambisanayo lamagesi ahlukahlukene aguquguqukayo avela ezithakweni zokudla, kusenendawo yokuthuthukiswa kokunemba kokunqunywa kokusha kokudla.
Izinhlelo zokupheka zingenye yezimo ezibalulekile zezinzwa zegesi. Kunamakhulu ezinhlanganisela zegesi ezikhiqizwa ngesikhathi senqubo yokupheka, okuhlanganisa izinto ezincane, ama-alkanes, ama-compounds aromatic, ama-aldehydes, ama-ketones, ama-alcohols, ama-alkenes kanye nezinye izinhlanganisela eziphilayo eziguquguqukayo. Endaweni eyinkimbinkimbi kangaka, izinhlanganisela zezinzwa zegesi zibonisa izinzuzo ezisobala kakhulu kunezinzwa ezilodwa. Izifundo zibonisa ukuthi izinhlanganisela zezinzwa zegesi zingasetshenziswa ukunquma isimo sokupheka kokudla ngokusekelwe ekunambithekeni komuntu siqu, noma njengethuluzi lokuqapha ukudla elisizayo ukuze libike njalo imikhuba yokupheka kubasebenzisi. Kodwa-ke, izici zemvelo yokupheka ezifana nokushisa okuphezulu, umusi wokupheka kanye nomhwamuko wamanzi zingabangela kalula inzwa ukuthi "ibe nobuthi", okuyinkinga yobuchwepheshe edinga ukuxazululwa.
Emkhakheni wokuphepha kokudla, ucwaningo lwethimba likaWang Di lubonise inani elingasetshenziswa yizinzwa zegesi. Zihlose umgomo "wokubona inqwaba yamagesi ngesikhathi esisodwa nge-plug-in encane yeselula", futhi zizibophezele ekwenzeni ulwazi lokuphepha kokudla lutholakale kalula. Le divayisi ehlanganisiwe kakhulu yokunuka ingathola izingxenye eziguquguqukayo ekudleni, inqume ubusha nokuphepha kokudla, futhi inikeze izinkomba zesikhathi sangempela kubathengi.
Ithebula: Izinto Eziyinhloko Zokuthola kanye nezici zobuchwepheshe zezinzwa zegesi emikhakheni ehlukahlukene yohlelo lokusebenza
Izinkambu zohlelo lokusebenza, izinto eziyinhloko zokuthola, izinhlobo zezinzwa ezisetshenziswa kakhulu, izinselelo zobuchwepheshe, izitayela zokuthuthukiswa
Igesi evuthayo yokuphepha kwezimboni, uhlobo lokusha olusebenzisa igesi enobuthi, uhlobo lwe-electrochemical, ukubekezelelana kwemvelo okunzima ukuqapha okuvumelanayo kwegesi eminingi, ukulandelela umthombo wokuvuza
I-acetone yezokwelapha nezempilo, i-CO₂, uhlobo lwe-semiconductor lwe-VOC, ukukhetha kohlobo lwe-colorimetric kanye nokuzwela, ukuxilongwa okugqokwayo nokuhlakaniphile
Ukufakwa kwegridi yokuzinza kwesikhathi eside kanye nokudluliswa kwedatha ngesikhathi sangempela ukuze kuqashwe imvelo kokungcola komoya kanye namagesi okushisa asezingeni eliphezulu ezinhlotsheni ze-infrared kanye ne-electrochemical
Igesi eguquguqukayo yokudla kwasekhaya ehlakaniphile, uhlobo lwe-semiconductor yokupheka, ikhono le-PID lokulwa nokuphazamiseka
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Isikhathi sokuthunyelwe: Juni-11-2025