Amasu okunciphisa umsindo weyunithi ye-ventilator coil

Ukuhlonza Imithombo Yomsindo Evamile Emayunithi E-Fan Coil

Ukudlidliza Okungokwemvelo Kwezinhlelo Ze-HVAC Nomthelela Wakho Ngomsindo Wengxenye Yama-Fan Coil

Cishe amaphesenti angu-38 azo zonke izikhalazo zomsindo ezihlobene namayunithi e-coil ye-fan ezakhiweni zezentengiselwano empeleni zivela ekudlidlizeleni kwemishini. Ngokuvamile lokhu kwenzeka lapho ama-fan motors engalingani noma ama-bearings eseqalile ukugqoka ngokuhamba kwesikhathi. Ngokwenhlolo-vo yamuva eyanyatheliswa ngo-2024 mayelana nokudlidliza kohlelo lwe-HVAC, ukuqinisekisa nje ukuthi ama-motors alinganiswe kahle kunganciphisa umsindo ovela ezakhiweni cishe ngesithathu. Lapho ochwepheshe behlola ukufakwa kwezinto, nabo bathola okuthile okumangazayo. Cishe ingxenye yazo zonke izinkinga zokudlidliza yayibangelwa ama-bracket okufaka ayengalingani ngokwanele. Lezi zixhumanisi ezixekethile zivumela ukuzamazama ukuba kudlule emithonjeni kuze kube sezikhaleni ezingenalutho phakathi kwezingqimba. Waba yini umphumela? Izimpungushe ezicasulayo ezifika ezindaweni ezisemahhovisi lapho abantu besebenza khona nsuku zonke.

Izinkinga Zokuhamba Komoya Ezidala Umsindo Emagumbini E-Fan Coil

Lapho umoya ugeleza ngokuxokozela ngokusebenzisa izihlungi ezingcolile noma amapayipi amancane kakhulu, uvame ukudala leyo misindo ecasulayo esiyaziyo sonke. Izinhlelo ze-HVAC ezisebenza ngesivinini esingaphezu kuka-1200 cubic feet ngomzuzu ngokuvamile zikhiqiza umsindo omkhulu phakathi kuka-10 no-18 decibel emajikeni emikhombeni, obonakala ngokukhethekile lapho ama-ventilator ejikeleza ngokushesha kunama-revolution angu-1800 ngomzuzu. Inkinga yangempela ivela emoyeni ohamba ngokushesha oshaya izimpaphe zezishintshisana ukushisa, okwenza kube namazwi aseduze kwama-250 kuya ku-500 hertz. Le misindo ethile empeleni iyisiphazamiso ngempela kubantu abahlala esakhiweni, yenza imvelo ingabi mnandi naphezu kokuba konke kusebenza ngendlela eklanyelwe.

Umsindo ovela ekuhambeni kwamapayipi nezimbobo ezakhiweni ze-FCU

Imigqa ye-refrigerant engaqinisiwe kahle kanye nemigudu yensimbi ensimbi ivame ukudlulisa ukudlidliza okuphakathi kuka-40 kuya ku-63 Hz. Le mifutho iyabonakala ngempela ezindlebeni zabantu. Ukuhlolwa okuthile kwensimu kubonisa ukuthi lapho ochwepheshe befaka lezo zingqimba zokuhlukanisa cishe njalo ngamamitha amabili phansi kwamapayipi aqondile, kunciphisa izinkinga zomsindo ezibangelwa amapayipi ngokwawo cishe ngo-28%. Kunenye inkinga futhi, amapayipi ethusi akhula futhi anciphe ngendlela ehlukile kunezinsimbi ezisekelayo phakathi nezinkathi zonyaka, futhi lokhu kungafani kubangela cishe u-20% wazo zonke izikhalazo zomsindo esizibonayo ngezikhathi ezahlukene zonyaka ezakhiweni ezinama-unit amaningi e-fan coil.

Izixazululo Zokuhlukanisa Ukudlidliza Nokufaka Ama-FCU Anomsindo Kakhulu

Ukuhlukaniswa Kokudlidliza Kusetshenziswa Amapads Nama-Gromets Enjoloba Kumayunithi E-Fan Coil

Ezimisweni ze-FCU ezakhiwe kahle, amapayipi okuhlukanisa ukudlidliza okuyinjoloba kanye nama-grommets akwazi ukunciphisa ukudluliswa kokudlidliza kwesakhiwo cishe ngo-80%. Lo mbono uyasebenza ngoba lezi zingxenye zenjoloba empeleni zihlukanisa izingxenye zemishini esakhiweni ngokwaso. Ukuze uthole imiphumela emihle, sikhuluma ngezinto eziqinile zegoma ezilinganisa okungenani u-50 esikalini sobulukhuni se-Shore A. Lezi zinto zisebenza kahle kakhulu ekulweni nokudlidliza okuphakathi nendawo okuvame ukuhlasela imishini eminingi ye-HVAC. Faka iziphethu ezincane zokuphenduka njengengqimba eyengeziwe, futhi ngokuzumayo siba nesistimu ephatha kokubili ukudlidliza okuphakeme nokudlidliza okujulile.

Amasu Okufaka Ukuze Kuncishiswe Ukushaywa Kwezinto Ezisebenzayo

Ukufaka ama-FCU ngendlela efanele kusho ukuthola izihlukanisi ezihambisana nokudlidliza kwazo ngesikhathi sokusebenza ngemva kokwenza uhlobo oluthile lokuhlola ukuqina kwe-dynamic. Ukuze kusetshenziswe izinto ezinkulu ezidayiswayo ezibhekana nokudlidliza okuhamba kancane ngaphansi kuka-15 Hz, izibambo zethusi zisebenza kahle kakhulu. Kodwa lapho sikhuluma ngamazinga aphezulu okudlidliza angaphezu kuka-30 Hz, okuvame ukwenzeka kumadivayisi amancane, izinsimbi ze-neoprene zivame ukuba ukukhetha okungcono. Olunye ucwaningo lwangonyaka odlule lwabuka izakhiwo ze-HVAC futhi lwathola okuthile okuthakazelisayo. Lapho beshintsha izixhumi ezivamile zafakwa lezi zikhonkwane ezikhethekile ezilwa nokuzwakala, abantu empeleni baphawula umsindo omncane ongama-decibel angu-12 ezindaweni zamahhovisi. Lokho kwenza umehluko wangempela ezingeni lokunethezeka ezindaweni zokusebenza.

Isifundo Secala: Ukudambisa Ukudlidliza Okuphumelelayo Ezikhungweni Ze-FCU Ezentengiselwano

Ihhotela elilodwa elinemibhoshongo engu-32 lakwazi ukunciphisa umsindo we-FCU ngamaphesenti angaba ngu-40 ngokusebenzisa indlela ehlukahlukene yokulawula ukudlidliza. Isinyathelo sokuqala sasihilela ukushintsha lawo maphayiphi ethusi aqinile abe imigqa eguquguqukayo. Kwabe sekufakwa izihlungi ezikhethekile zenjoloba nezensimbi ngaphansi kweyodwa yezindlu ezingu - 84 kuso sonke isakhiwo. Ekugcineni, banezela lezi zingqinamba ezijiyile ze-vinyl ezizungeze izindawo ezingokwemvelo lapho ukudlidliza okuningi kuvela khona. Ngemva kokuba konke sekubekiwe, amarekhodi okugcinwa kwezinto abonisa okuthile okumangalisayo: izicelo zesevisi ezihlobene nokudlidliza zehle cishe izingxenye ezimbili kwezintathu phakathi nenkathi yezinyanga ezingu-18. Futhi nakhu okukhishwayo? Ukusetshenziswa kwamandla kwahlala kufana ncamashi nalokho okwakukhona ngaphambi kokuba kwenzeke zonke lezi zinguquko.

Izinto zokumunca umsindo nezindawo ezifakwayo ze-Acoustic ze-FCU

Ukusetshenziswa Kwezingqimba Zokufakwa Kwezinto Ezifakwayo Nezindwangu Zomsindo Ezakhiweni Zokufakwa Kwezingqimba Zomshini

Izembozo ze-acoustic ezenziwe nge-fiberglass noma i-melamine foam zisebenza kahle ekuqedeni leyo misindo ephakathi nendawo kuya phezulu emayunithi e-coil ye-ventilator. Zithwala imisindo eyenziwa lapho umoya uhamba ohlelweni futhi zibuye zinciphise ukudlidliza kwemoto. Ezinye izakhiwo ziye zagqokisa izakhiwo zazo ngezindwangu eziqoshiwe eziwu-intshi ezimbili ubukhulu, okuwenza ube nomehluko ophawulekayo emahhovisi lapho abantu besebenza khona ngempela. Lezi zingubo zodwa zibonakala zinciphisa umsindo owaziwayo ngamaphesenti angaba ngu-30 ngokwalokho esikubonile. Nokho, uma ihlanganiswa nezinsimbi zokuzivikela ezenziwe ngerabha, le nhlanganisela ibhekana nazo zombili izinhlobo zezinkinga zomsindo ezibangelwa izinto ezisezulwini kanye nokudlidliza okuhamba ezakhiweni ngokwazo.

Izimaterialo Ezinhlangene Nezingoma ekuFCW: I-Mass-Loaded Vinyl kunye nezinyambo ezinesekwa

I-Mass loaded vinyl, okanye i-MLV ngokufuphanyayo, ngokwaneleyo inokhona kwi-1 ukuya kwi-2 iponi ngoshiphelo esinye kwaye inikeza ingoma ephakamileyo xa kubhekwa kwiingoma eziphantsi zokugqibela zaseFCU. Le mitha inokusebenza ngokugqanyileyo xa isebenziswa ngaphakathi kwezinyambo ezinesekwa apho kune-3/4 inch gypsum board njengokoqobo kunye ne-insulation engaphakathi. Le kombhanyo ingasebenze ngokukhupha iingoma ngokuphindaphindayo, ukuba ke 63 decibels yokucoceka kwamaqhubu ngokulingana ne-500 Hz. Ngaseminye wokuxazulwa wokugqibela woku2023 oqinileyo ngokuvamileyo ngamagama abo HVAC, iindlela ezisebenzisa i-MLV zingasebenze ngokukhupha ukutshintshana kwamazingoma ngokuphindaphindayo kwi-42% xa kuthathwa ngokulingana nezinye iindlela ezingenasipho samazingoma. Ukuhluka ngale ndlela kungenza umehluko mkhulu kuzo zimo apho kubaluleke ukugcina ubomi bokungeniswa.

Ukulingana Kwezindawo Zokusebenza Kwematerials Efanayo Yokuvukela Ingoma Kwiindlela Zokulanda Nezokuchitha Ingoma

I-fiberglass inikeza ukusebenza kahle kwezindleko ezingcono kakhulu ngomsindo womsindo ophakathi, kuyilapho i-MLV iphakeme ekudambiseni imvamisa ephansi. Izinhlelo ze-hybrid ezihlanganisa izithiyo ze-MLV nezindwangu zokumunca zinikeza i-1822 dB yokunciphisa umsindo jikelele ekusetshenzisweni kwe-FCU.

Ukulawulwa komsindo okungahambi kahle: Izithambisi kanye Nezindwangu Zomsele Ezisebenzayo Ezimisweni Ze-FCU

Izithambisi Zomsindo Ezingxenyeni Zomshayeli Womoya: Izithambisi Zomsindo Ezisebenzayo Neziphikisayo

Izimfiva-mlomo ezisebenza ngendlela evumayo zisebenza ngokusebenzisa amakamelo nama-baffle adida amaza omsindo, anciphise umsindo ophakathi nendawo ngama-decibel angu-8 kuya kwangu-12 emibhalweni ejwayelekile ye-HVAC. Ucwaningo olwanyatheliswa ngo-2015 kuyi-Journal of Sound and Vibration lwaqinisekisa le miphumela. Nokho, uma kuziwa kumasisi okuphusha umsindo, ikakhulukazi lawo anezinhlayiya ze-Helmholtz, ayahlaba umxhwele ngempela ekubhekaneni namabanga athile emvamisa. Lezi zinsimbi zikwazi ukulawula imisindo ephakathi kuka-250 no-500 Hz, okuyilapho iningi lama-blower fan likhiqiza khona umsindo wawo. Lokhu kwenza kube usizo ikakhulukazi ekusetshenzisweni lapho imvamisa ethile enenkinga idinga ukubhekiswa ngokukhethekile.

Ukuphathwa kwe-Passive Path for Noise Reduction ku-HVAC Airflow Systems Ukuphathwa kwe-Passive Path ukuze kuncishiswe umsindo ezinhlelweni ze-HVAC

Imigudu egqoke amapaneli agqitshwe ama-micro-perforated ithuthukisa ukulawulwa komsindo ngokudlulisela umsindo ezintweni ezizwa umsindo. Izendlalelo ze-fiberglass ezingamamitha amabili zingakwazi ukufeza ukuvinjelwa komsindo okungu-6 dB ngemitha emikhombeni yejubane eliphansi. Ukuze kusetshenziswe kabusha, izidambisi zomsindo ezihlukanisiwe ezenziwe ngomshini ezinemigoqo ye-vinyl eningi zinikeza izixazululo ezonga isikhala ngenkathi kugcinwa ¥90% ukusebenza kwendlwana yokulanda (Ingoma Yendlela Yokulanda, 2022).

Ukwenyeliswa Kwemisindo Yokuqeda Ingoma Kwemindlela Efanayo Kwemindlela Yokulanda

Ukubeka amaphesenti amaningi edlule kuzindlela zokulanda kuzindlela zokulanda zenqanawe nezindlela zokusebenza zokuvukela ingoma. Izindlela zokulanda evela kuleli xesha zibonisa ukuthuthukiswa kwezibini ezilungileyo kuzindlela zokuvukela ingoma xa kudlwa nezindlela zokusebenza zokuvukela ingoma nezindlela ezifanayo ezine 25mm. Le ndlela yombilo iba yincane kakhulu kwezindlela zokulanda kwezifanekiso eziningi futhi iba yincane kakhulu kwezindlela zokulanda 35 dBA endaweni eqhele ngamamitha.

Ukwenza ngcono isivinini se-fan nokugcina ukuze kuncishiswe umsindo wesikhathi eside

Ukulungisa Isivinini Somoya Ukuze Ulawulwe Umsindo Ngaphandle Kokulahlekelwa Ukusebenza Kahle

Ukunciphisa isivinini se-fan ngo-10% nje kunganciphisa ukusetshenziswa kwamandla cishe ngo-30% futhi kunciphise ukugqokwa kwemishini, ngokusho kwe- 2024 Material Flexibility Report. Ama-FCU anamuhla anemishini eguquguqukayo ajwayele ukuguqula i-RPM ngokuzenzakalelayo ngokusekelwe ekufuneni ukushisa, alinganise ukusebenza okuzolile nokusebenza kahle kwamandla.

Ama-Variable Speed Drives Nendima Yawo Ezobuchwepheshe Bokunciphisa Umsindo

Ama-Variable Speed Drives (ama-VSD) athuthukisa ukusebenza kwe-acoustic ngokwenza ukuba ukusheshisa nokwehlisa ijubane kube lula, kususe ukuqhuma okuphawulekayo kwama-motor wendabuko anezivinini ezintathu. Ukuhlolwa kwensimu kuqinisekisa ukuthi ama-VSD ahlelwe kahle anciphisa umsindo obonwayo ngo-8 dB ngaphandle kokuphazamisa ukugeleza komoyaokubenza babe nesidingo ezindaweni ezizwela umsindo njengamahhovisi namahhotela.

Ukugcina Nokuhlanza Izingxenye Ze-HVAC Njalo Ukuze Kuncishiswe Umsindo

Ukugcinwa kwekotakuhlanganisa ukushintshwa kwesihlungi, ukugaya ama-bearings nokuhlolwa kwezindukukuvimbela ama-72% ezinkinga ezivamile zomsindo we-FCU. Naka ngokukhethekile ama-blade e-fan nezinsimbi ezifakwa emotweni; ngisho nokungalingani okuncane kungandisa umsindo wokudlidliza ngo-40% ngokuhamba kwesikhathi. Ukuqapha okuqhubekayo kuqinisekisa ukusebenza okuhlala isikhathi eside, okuzolile nokwenza kahle.

Imibuzo Evame Ukubuzwa

Kungani ukudlidliza kwemishini emshinini wokuphehla umoya kuyinkinga?

Ukudlidliza okuzenzakalelayo ngokuvamile kuholela emsindweni ovela esakhiweni emaqenjini e-coil fan, okungaholela ezinkingeni zomsindo ezakhiweni zezentengiselwano.

Yini okwenza kumapadzana amaphezulu okuvukela ingoma ukunciphisa ingoma?

Le padzana ahlukanisa amaqhinga amamakhiyini kusuka kwiindlela zokulanda, ngakho ukunciphisa ukuthuthukiswa kwezindlela zokulanda ngama 80%.

Umdlalo wokwenza kuphi kweqile ukwenza kwezindlela zokulayisha amandla?

Izindlela zokulayisha amandla zenze ukuba kube lula ukuthiwa nokulayisha, kubambelela ukuba kube ngcono kwezinye izinto zokulayisha kanye nokhuthaza kwezinye izinto zokulayisha.

Yini engenza ukuba ukulungiswa ngokweminyaka kubambelele ukulayisha kwe-HVAC?

Ukugcinwa njalo, kuhlanganise nokushintshwa kwesihlungi nokuhlolwa kwezinduku, kuvimbela izinkinga ezivame kakhulu zomsindo, kuqinisekisa ukusebenza kahle nokuthula.