Kune ruzha rwakadini iyo LSC yakatevedzana chinwiwa chefiriji Upright cabinet?

Muchiitiko chekutengesa chinwiwa, iyo ruzha rweLSC yakatevedzana imwe-gonhi refiriji yakatwasuka kabati yakashanduka kubva ku "secondary parameter" kuenda kune yakakosha chiratidzo chinokanganisa kutenga. Sekureva kwe2025 indasitiri mushumo, avhareji kukosha kweruzha mumusika wekutengesa freezer wadonha kubva45 decibels makore mashanu apfuura kusvika ku38decibels. 72% yechitoro chakareruka uye chekudya chekudyara vatengi vanonyora kuita chinyararire sekufunga kwavo kwepamusoro

Noise Limits yeFiriji Zvishandiso:

Masimba anofambiswa nembiri epolicy uye tekinoroji akamhanyisa kukwidziridzwa kwakanyarara. Kune rumwe rutivi, miitiro mitsva yenyika yakasimbisa miganho yeruzha yemidziyo yefiriji yekutengeserana, ichinyatsoratidza kuti ruzha rwekushandisa kwegonhi rimwe chete rezvinwiwa zvefiriji yakasimudzwa makabati inofanira kudzorwa pasi pe42 decibels. Kune rimwe divi, kufarirwa kweiyo inosiyana frequency tekinoroji uye nehungwaru yekudzikisa ruzha zvimiro zvakaramba zvichidzika mutengo wemidziyo yakaderera-ruzha. Nenwell yakagadzira 38 decibels chiyero chemidziyo yayo yepakati, uye mamwe emhando yepamusoro anotosvika pa "raibhurari-level" yakanyarara mwero we35 decibels. Iyo LSC yakatevedzana inomiririra chigadzirwa chakazvarwa mune iyi maitiro

I. Multidimensional Hazards of Noise in Refrigerated Vertical Cabinets

Kukanganisa kwakashata kweruzha pane zvekutengesa kunopfuura kure "kunzwa kusagadzikana" uye kwave kusinga tarise mutengo wekushandisa. Kubva pakuona kweruzivo rwevatengi, ongororo yakaitwa muchitoro chinoratidza kuti kana ruzha rwekabhati ine firiji ruchipfuura 40 decibels, avhareji yenguva yekugara mutengi inopfupikiswa ne23%, uye mutengo wekutengazve unodzikira.15%. Kuenderera mberi nekutaura kunogona kukonzeresa kusagadzikana, kunyanya muzvitoro zvezvitoro zvinosimbisa ruzivo.

Kune vashandi, njodzi dzehutano dzekugara kwenguva refu kunharaunda dzine ruzha dzinofanirwa kutarisirwa zvakanyanya. Tsvagiridzo yakaitwa neWorld Health Organisation (WHO) inoratidza kuti kuratidzwa kwenguva refu kune nharaunda pamusoro pe45 decibels kunogona kutungamirira kune nyaya dzakadai sekuwedzera kwekunzwa nekusateerera. Mabharani ezvitoro zviri nyore anoratidzirwa kune ruzha rwemakabati efiriji kweanopfuura maawa masere pazuva. Kana muchina wacho usina kuvharidzirwa, mukana wekukuvara kwekunzwa kwepabasa wakakwira zvakapetwa katatu pane weruzhinji.

Ruzha runogonawo kushanda se "chiratidzo cheyambiro chekutanga" chekutadza kwemidziyo. Ruzha rwekabati refiriji rinowanzo shanda rinoratidzwa nekudzikama kwakadzikama. Kana ruzha rwakapinza rusina kujairika kana kurira kwepakati kukaitika kamwe kamwe, zvinowanzoratidza matambudziko akadai se compressor cylinder jam kana kupfeka kwefani. Dhata kubva kuketani yekudyara inoratidza kuti 80% yekutadza kwekabati yefiriji inotangirwa neruzha rusina kujairika, uye kurasikirwa kwepagore kwekuparara kwechinwiwa nekuda kwekuregeredza masaini eruzha kunosvika makumi ezviuru zveyuan.

II. Kutsvaga Kwainobva: Makumi Mashanu Makuru Eruzha muRefrigerated Vertical Cabinets

1. Compressor: Iyo "Dominant Contributor" kune Noise

Se "moyo" wefiriji system, ruzha rwekushanda kwe compressor inodarika 70% yehuzha hwese hwemidziyo. Kana yakamisikidzwa-frequency compressor yatanga nekumira, iyo mechanic kukanganisa pakati pepiston necylinder inoburitsa ipapo ruzha rwepamusoro. Kunyangwe panguva yekushanda kwakagadzikana, iyo electromagnetic ruzha uye vibration kutapurirana kweiyo mota oparesheni inogadzira kuenderera kunokanganisa. Kana iyo compressor isingavhunduke-yakabatwa panguva yekuiswa, iyo vibration inowedzerwa kuburikidza nekabati, zvichikonzera "kudzvova kukuru."

2. Mafeni uye Mhepo Ducts: Kufuratira Kwakabva Aerodynamic Noise

Kushanda kwemafeni mumakabati akatonhodzwa mufiriji akachinjika anoburitsa mhando mbiri dzeruzha: imwe iruzha runogadzirwa nemablades anocheka nemhepo, uye imwe irwo ruzha rwunokonzereswa nekukweshana kuri pakati pekuyerera kwemhepo nemadziro emhepo. Ongororo neShanghai Jiao Tong University yakaona kuti kana mukaha uripo pakati pe fan blade tip uye mhepo duct isina kugadzirwa zvakanaka, zvinokonzeresa kudzoka kwemhepo, zvichiwedzera ruzha simba ne15%. Mushure mekugadzirisa, ruzha pane chaiyo yekuyera nzvimbo inogona kudzikiswa ne5.79 decibel. Iyo 3D inotenderera mhepo duct inotorwa neLSC yakatevedzana ndiyo chaiyo dhizaini yakagadziridzwa yedambudziko iri.

3. Kuyerera Kwefiriji: “Kunzwika Kusina Kujairika” Kunowanzoita Kusanzwisisa

Kana iyo firiji ichitenderera mupombi, kana kubhenda radius yepombi iri diki kana kuvharika, inoburitsa "gurgling" inoyerera ruzha. Ruzha urwu runonyanya kucherechedzwa padanho rekutanga rekutanga kwemidziyo uye rinowanzo fungwa zvisizvo semhosva nevashandisi. Pamusoro pezvo, kudzvanywa kwefiriji kusingaite kunogona kukonzera kuzunguzika kwepombi, kurira nekabhineti uye kuburitsa ruzha-rushoma.

4. Mamiriro eKabhineti: Iyo "Resonant Cavity" Inosimudzira Ruzha

Kana iyo kabhineti yakagadzirwa nezvinhu zvakaderera-simba senge mahwendefa esimbi matete, kudengenyeka kwecompressor uye feni kuchafadza resonance yekhabhineti, kuwedzera ruzha ne2-3 nguva. Mune zvimwe zvigadzirwa, nekuda kwekugadzirisa pombi yepombi, pombi inodhumhana nekabati panguva yekushanda, ichigadzira "tapping" ruzha. Kunyangwe mwero we decibel weruzha urwu hauna kukwirira, hukasha hwayo hunodarika nekure ruzha rwekuvhiya kwakatsetseka

5. Kuiswa uye Zvakatipoteredza: Post-installation Noise Inducer

Uriri husina kuenzana ndiyo inonyanya kufarirwa post-installation ruzha sosi. Kana iyo kabati yefiriji yakaiswa pakona, iyo compressor base inosimbiswa zvisina kuenzana, ichiwedzera ruzha rwekudengenyeka. Kana iyo kabhineti yakaiswa padyo nemadziro kana zvimwe midziyo, ruzha ruchakwidziridzwa kuburikidza nekuita kwakasimba uye kuratidzira, zvichiita kuti kukosha kwakayerwa 3-5 decibels kukwira kupfuura munzvimbo yakajairwa. Pamusoro pezvo, kuisa zvinhu pamusoro kunogadzira “resonator,” kushandura kutenheka kwemidziyo kuita ruzha rwusina kujairika.

III. Yakazara-cheni Kuderedza Noise: Yakarongeka Solutions kubva Dhizaini kusvika Kushandisa

1. Chinyararire Dhizaini yeCore Zvikamu

Kusarudzwa kwecompressor ndiyo nheyo yeruzhakuderedza. Kana iyo LSC yakatevedzana ichishandisa inosiyana frequency compressor, inogona kudzivirira kazhinji kutanga uye kumira nekugadzirisa kutenderera kumhanya, kuderedza ruzha rwekushanda ne.8-10decibels. Yakabatanidzwa nepazasi-absorbing pads uye mabhuraketi akamiswa, inogona kuderedza90%ye vibration kutapurirana. Iyo fan inofanirwa kutora modhi yakanyarara ine optimized blade curvature, ine blade tip gap inodzorwa mukati me 0.5 millimita. Panguva imwecheteyo, kuburikidza nehungwaru yekumhanyisa control system, iyo yekutenderera inogona kudzikiswa otomatiki husiku

2. Acoustic Optimization yeKabati uye Mhepo Ducts

Makomba ehuchi akaita sezinga rehuchi uye nekotoni inodzivirira ruzha-yakakwirira-density inofanira kuiswa mukati mekhabhineti. Ichi chimiro chinogona kutora zvinopfuura30% of mechanical ruzha. Iyo compressor compartment inotora dhizaini-yakawanda-inobata ruzha, uye kuvhura kunogona kudzorwa otomatiki zvichienderana nehupamhi hweruzha kuburikidza neanogadzirika maburi anotora ruzha, kuenzanisa kuderedza ruzha uye kupisa kwekupisa. Iyo anti-fog tempered girazi gonhi reLSC yakatevedzana haingo wedzera iyo yekuratidzira maitiro, asi sandwich chimiro chayo chinogona kudzivirira imwe ruzha rwemukati kubva kupararira kunze.

3. Yakamisikidzwa Kuisirwa uye Debugging Maitiro

Panguva yekuisa, chinhanho chinofanirwa kushandiswa kuenzanisa kabati kuti ive nechokwadi chesimba rakafanana pamakona mana. Rubber shock-absorbing pads inofanira kuwedzerwa pachigadziko kana zvichidiwa. Chinhambwe che 10-15 centimita chinofanirwa kuchengetedzwa pakati pekabati uye madziro kudzivirira kuratidzira ruzha. Kana akaiswa panzvimbo dzinorira zviri nyore senge pasi pemapuranga, mapedhi anodzivirira ruzha anogona kuiswa kuti adimbure kutapurirana. Munguva yechikamu chekugadzirisa, kugadziriswa kwepombi kunofanirwa kutariswa, uye maoko erubha erubha anofanirwa kuwedzerwa kune zvikamu zvakasununguka.

4. Noise Control Techniques dzeDay Maintenance

Iwo ma fan blades anofanirwa kucheneswa svondo rega rega kudzivirira dynamic balance kusagadzikana kunokonzerwa nekuunganidzwa kweguruva. A 1-giramu kuunganidza guruva pamashizha kunogona kuwedzera ruzha ne 3 decibels. Iyo compressor fasteners inofanirwa kuongororwa pamwedzi, uye yakasununguka screws inofanira kusimbiswa panguva yakakodzera. Mafeni mabearings anofanirwa kuzorwa kota yoga yoga kuti aderedze ruzha. Kana manzwi e "gurgling" aonekwa, kubuda kwefiriji kana nyaya dzekuvharika kwepombi dzinofanira kuongororwa nekukurumidza kudzivirira dambudziko kuti risawedzere.

5. Dynamic Noise Reduction yeIntelligent Systems

Mamodheru emhando yepamusoro anogona kuve akashongedzerwa nemasensa anonzwika uye akangwara ekudzora masisitimu ekutarisa ruzha kukosha munguva chaiyo. Kana ruzha rwapfuura 38 decibels, inongodzikisira iyo compressor kumhanya kana kugadzirisa fan giya. Kana iyo LSC yakatevedzana iine husiku hwekuchengetedza simba modhi, tembiricha yekudzora huwandu inogona kuwedzerwa panguva isiri yebhizinesi maawa, ichideredza kushanda kwemidziyo uye zvichizoderedza ruzha ne5-6 decibels.