Usoro maka ijikwa usoro HVAC Ihe ndị na-ebelata mkpọtụ

Ịghọta mkpọtụ nke usoro HVAC

System system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system system

Isi Iyi nke mkpọtụ HVAC

Mkpọtụ HVAC sitere na isi edemede atọ: vibration mechanical, airflow turbulence, na ọrụ akụrụngwa. Ndị na-esonụ bụ isi mmalite kachasị na usoro obibi na azụmahịa:

Ndị na-efe efe na ndị na-anya ụgbọ ala na-emepụta ụda olu dị ala na mkpu ákwá dị elu. Ndị na-akwado ikuku na-eme ka ụda ndị a dịkwuo elu. Ọdịdị nke mma agha fan dịkwa mkpa: ndị na-anya ụgbọ mmiri centrifugal na-agbada azụ dị jụụ karịa ụdị ihu ma ọ bụ propeller.
Ductwork Vibration (FLT: 1) Ọdụdọ metal dị nro na-ada ụda na ikuku dị elu ma ọ bụ vibration nke akụrụngwa. Nkwado na-ezughị ezu na-enye ohere ka ngalaba duct na-ama jijiji megide ụlọ ụlọ. Ọdụdọ akụkụ anọ na-emekarị ka mkpọtụ mgbawa karịa ọwa gburugburu nke yiri nke ahụ.
Fans Motors na Blades Fans na-agba ọsọ na-eme ka ụda ụda dị egwu. Fans na-agba ọsọ na-agbakwunye mkpọtụ site na mgbaaka mgbaaka ma ọ bụ nhazi na-ezighị ezi. VFD-agba ọsọ na-agba ọsọ nwere ike ịpụta ụda olu ma ọ bụrụ na a naghị edozi ugboro ugboro nke onye na-ebu ya.
Compressor Noise (FLT:0)) Compressor refrigeration compressors na-enye a dị iche iche ala ugboro drone. Reciprocating compressors na-abụkarị mkpọtụ (6080 dBA na 1 m) karịa scroll ma ọ bụ rotary ụdị (5065 dBA). variable-ọsọ compressors, nkịtị na oge a okpomọkụ mgbapụta, nwere ike ịgbanwe mkpọtụ ugboro n'oge ọrụ.
Flow Flt:0 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Flow Flt: 1 Ft: 1 Ft: 1 Ft: 1 Ft: Ft: Ft: Ft: Ft: Ft: Ft: Ft: Ft: Ft: Ft: Ft: Ft:
Dampper na Register Noise Flt:1 Partly mechiri emechi dampers na obere grilles na-emepụta whistling ruru elu obodo ikuku ọsọ. Ọbụna kpamkpam emeghe ndekọ na nkọ edoghi nwere ike ịmepụta turbulence mkpọtụ n'elu 500 ft / min ihu ọsọ.
Ndị na-akwado ikuku na mkpọtụ nke ndị na-eme ka ikuku dị n'èzí site na ndị na-eme ka ikuku dị n'akụkụ windo ma ọ bụ patios bụ isi iyi nke mkpesa ndị agbata obi. Ndị na-akwado propeller na-abụkarị mkpọtụ karịa ndị na-akwado axial nwere ube nwere ọkpụrụkpụ.

Ịchọpụta isi iyi na-achịkwa site n'ịnụ, nyocha vibration, ma ọ bụ nlele ọkwa ụda na-eduzi nhọrọ nke ihe ndị a na-eme iji belata mkpọtụ.

Ịtụle na Ịmata Nsogbu nke Ọgba Ọgba

Tupu ị na-etinye ihe ngwọta, jiri ụda olu ma ọ bụ ngwa ama ama nke a na-atụle maka ịlele dBA. Tụlee na ọtụtụ ebe dị nso na akụrụngwa na mpaghara ndị e ji ebi ndụ. Maka nyocha zuru ezu karị, jiri nyocha oge (RTA) iji weghara ụdịdị ugboro. Tụlee ọgụgụ megide ọkwa ndị a tụrụ aro: dịka ọmụmaatụ, ASHRAE na-atụ aro NC-30 maka ọfịs nkeonwe na NC-35 maka ọfịs mepere emepe. Maka vibration, jiri ihe na-agba ọsọ iji chọpụta oke ugboro, nke na-enyere aka ịhọrọ ihe dị iche iche vibration ziri ezi.

Ụzọ Isi Mee Ka E Jiri Ụzụ Na-eme Ka E Nwee Ọgba Ọgba Ọgba

Ozugbo a matara isi mmalite, nchikota nke ụzọ ndị na-adịghị arụ ọrụ na ụzọ ndị na-arụ ọrụ nwere ike belata ụda ụda nke ukwuu.

1. Ihe Ndị Na-eme Ka E Nwee Ike Ịkpọ Ụda na Ihe Ndị Na-eme Ka E Nwee Ike Ịkpọ Ụda

Ọ bụrụ na e tinye ihe ndị na-eme ka ụda dị n'akụkụ ihe ndị na-eme mkpọtụ, a na-eme ka ụda dị n'ikuku.

Ihe Ndị E Ji Eme Ihe na Ihe Ndị E Ji Eme Ihe

Nnukwu na ọkụ na-eguzogide, mmanụ mineral na-etinye ụda nke etiti na nke dị elu. A na-ejikarị ya eme ihe n'ime ụlọ akụrụngwa na mkpuchi duct.
Akụ acoustic ụfụfụ na-ebelata ụda na ụda reflection. Ọ kachasị mma maka mgbidi ụlọ ọrụ igwe ma ọ bụghị maka ime ụlọ ọwa n'ihi nguzogide ikuku. Ọfụfụ polyurethane nwere mkpụrụ ndụ na-emeghe na NRC nke 0.750.95 bụ ihe a na-ahụkarị.
Vinyl na-ebu ibu (MLV) Flt: 1 Ihe mgbochi dị elu nke na-egbochi nnyefe ụda. Na-ekpuchi ọwa ma ọ bụ akụrụngwa; dị mma maka ndozi. Mass kwa unit mpaghara (12 lb / ft2) na-ekpebi klas nnyefe ụda (STC).
Fiberglass Duct Liner (FLT: 1) Ejiri ya na elu ụzọ dị n'ime iji belata mkpọtụ ikuku ma belata ụda mgbapụ. Ga-ezute ụkpụrụ ọkụ na iguzogide ebu (UL 181).
Akụ na-eme ka ọ bụrụ ihe na-eme ka ọ bụrụ ihe na-adịghị mma.

Jiri ihe ndị dị n'ime ụlọ mechie oghere ndị ahụ. Jiri ihe ndị dị n'ime ụlọ mechie oghere ndị ahụ. Jiri ihe ndị dị n'ime ụlọ mechie oghere ndị nwere okpukpu abụọ na-eme ka ọ na-egbukepụ egbukepụ na-egbukepụ egbukepụ.

Ndụmọdụ Ndị Bara Uru Maka Ịwụnye Ya

Mgbe ị na-eji MLV na-ekpuchi ụzọ, jiri ma ọ dịkarịa ala sentimita abụọ kpuchie akwa ahụ ma jiri teepu akụrụngwa mechie ya. Zere ịpị mkpakọ nke ọla kọpa.

2. Ịgbapụ na-eme ka ọ dị nro

Ọ dị mkpa ka e wepụ ihe ndị ahụ n'ebe ụlọ ahụ dị iji chịkwaa mkpọtụ dị ala.

Nhọrọ na nha nke ndị na-anọpụ iche

Rubber-In-Shear Mounts Kwesịrị ekwesị maka obere ndị ofufe na mgbapụta ruo 200 lbs. Nye nkwụsịtụ maka ala-na-etiti ugboro vibration. Static deflection nke 0.250.5 sentimita bụ typical.
[1] N'ihi na ọ bụ ihe na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na-akpali na-akpali akpali na
Elastomeric Pads (FLT: 0) Ọnụahịa dị irè maka ibu dị mfe dịka nkeji ụlọ. Ọkpụrụkpụ na-ekpebi ntụgharị; jiri opekata mpe 1⁄2 inch maka ndị na-agbanye ihe. Ọ bụghị dị irè maka obere ugboro ugboro dị n'okpuru 30 Hz.
Njikwa ntọala Inertia bụ ihe mgbochi ma ọ bụ etiti ígwè na mmiri, nke a na-eji maka nnukwu ndị na-akwado centrifugal iji belata ugboro ugboro nke okike ma gbakwunye uka.

Ụkpụrụ bụ isi: nweta opekata mpe 90% nke njide maka ugboro karịrị 20 Hz. Gbakọọ mkpa static deflection dabere na ngwá ọrụ na-arụ ọrụ ọsọ. Dị ka ihe atụ, a 1750 rpm ofufe mkpa banyere 1.5 sentimita asatọ nke static deflection maka 95% iche. Always agụnye seismic snubbers na ala ọma jijiji-eduga ebe. Jide n'aka na isolators na-adịghị short-circuited site rigid conduit, piping, ma ọ bụ duct njikọ.

Ịwepụ Ụgbọ Mmiri na Ịgba Ọsọ

Jiri njikọ dị mfe (ụrọ ma ọ bụ roba) n'etiti akụrụngwa na ọkpọkọ siri ike iji mebie ụzọ vibration. Maka ọkpọkọ, wụnye ndị na-ekpuchi mmiri na ihe ndị neoprene kwa ụkwụ 10. Zere nkwụnye ọla siri ike; jiri ihe na-ekpuchi roba na-ekpuchi. Jide n'aka na ọkpọkọ na ọkpọkọ anaghị emekọrịta ụlọ ahụ site na oghere. Maka ọkpọkọ nke na-agafe mgbidi ma ọ bụ ala, jiri ọkpọkọ ọkpọkọ na-eguzogide akara.

3. Ịmepụta Ọwara na Ịhazi Ọwa

Ọ bụ n'ihi na ọgba aghara, ọsọ ọsọ dị elu, na mgbanwe mberede na-eme ka ikuku na-ada ụda.

Ụkpụrụ Maka Ụgbọala Na-eme mkpọtụ

Soro ASHRAE tụrụ aro ọsọ: ≤ 400 ft / min maka isi ọwa obibi, ≤ 600 ft / min maka ụlọ ọrụ azụmahịa, na ≤ 300 ft / min maka alaka dị nso na oghere ndị a na-arụ ọrụ. Maka oghere dị oke egwu dị ka ụlọ ọrụ ndekọ, debe ọsọ n'okpuru 200 ft / min.
Jiri mkpagharị ogologo (mgbasa ozi dịkarịa ala ugboro 1.5 nke ọwa ọwa) ma ọ bụ tụgharịa vans. Zere square elbows na mgbanwe mberede na mpaghara. Maka ụzọ kwụ ọtọ, jiri akụkụ abụọ ma ọ bụ akụkụ atọ elbows na-eduzi vans dị n'ime.
Akụ na-eme ka ụda dị jụụ (Acoustic Silencers) Wụnye ndị na-eme ka ụda dị jụụ na-agagharị na ọkpọkọ dị nso na njikwa ikuku. Ha nwere ihe mgbagwoju anya na ihe na-etinye ụda ma nwee ike nweta mbelata 1025 dB. Họrọ dabere na oke nrụgide; ndị na-eme ka ụda dị jụụ na-elekwasị anya na obere ugboro, ndị na-eme ka ụda dị elu na-ejikwa etiti ugboro.
Diffuser na Register Selection Họrọ diffusers na perforated ihu efere na esịtidem ụfụfụ. Linear oghere diffusers bụ jụụ karịa gburugburu elu griiz. Size ndekọ maka ihu ọsọ n'okpuru 500 ft / min. N'ihi laminar eruba na nlekọta ahụ ike, jiri HEPA diffusers na tupu nzacha iji belata turbulence.
FlT:0 Duct Lining FlT: 1 Kpọgharịa ụkwụ 10 15 mbụ n'okpuru ikuku nke fan na eriri iko ma ọ bụ ụfụfụ iji banye mkpọtụ fan tupu ọ gbasaa. Jide n'aka na ihe mkpuchi ahụ na-ezute ụkpụrụ erosion na ịdị ọcha (SMACNA ma ọ bụ NFPA 90A).

Jiri eriri ma ọ bụ eriri na-ekpuchi eriri na-ekpuchi eriri. Ọfụma na-akpata ịkwa ákwá ma na-ebelata arụmọrụ. Jiri eriri na-ekpuchi ihu karịa nke nwere akụkụ anọ mgbe o kwere omume; eriri na-ekpuchi ihu nwere mkpọtụ dị ala ma na-eguzogide ihe ka mma. Maka eriri dị ugbu a, tụlee ịgbakwunye okwu ọdịyo dị n'ime ma ọ bụ dochie ngalaba na eriri na-ekpuchi.

Ọganihu Ndị E Nwere n'Ịmepụta Ihe Na-eme Ka E Nwee Ike Ịkpọchi Ihe

Ndị na-eme mkpọtụ nke oge a na-eji ụlọ ọrụ na-emegharị ihe na mgbakwunye na mgbasa ozi absorptive iji lekwasị anya na mkpọtụ dị ala. Ndị na-eme mkpọtụ jikọtara ọnụ nwere ike belata ike ụda zuru ezu site na 20 dB ma na-enwe obere nrụgide. Maka ụlọ ọcha ma ọ bụ ngwa ụlọ ọgwụ, jiri ndị na-eme mkpọtụ na-eji ihe ndị na-eme ka ọ dị ọcha ma ọ bụ ihe eji eme nchara nchara. Ụfọdụ ndị nrụpụta na-enye ndị na-eme mkpọtụ na-eji ụda eme ihe nke nwere ike ịhazigharị maka arụmọrụ.

4. Nhọrọ na Nhazi nke Ihe Ndị E Ji Ejiri

Ọ bụrụ na ndị na-emepụta ihe na-ahọrọ ngwá ọrụ na-eme ka mkpọtụ dị ala site ná mmalite, ọ ga-eme ka ọ dịkwuo mkpa ka a rụchaa ya mgbe e mesịrị.

Lelee ụda ụda (dB) ma ọ bụ nrụgide ụda (dBA) nke onye nrụpụta. Fantech, Panasonic, Daikin, na Trane na-enye ụdị dị jụụ. Rịọ data nke ọkọlọtọ ARI 270 maka nkeji ngwugwu. Tụlee ọkwa mkpọtụ na ọnọdụ ọrụ nkịtị, ọ bụghị naanị na ibu zuru oke.
Variable Speed Drives (VFDs) Na-enye ndị na-akwado igwe ohere iji nwayọ na-agba ọsọ n'oge obere ọchịchọ, na-ebelata ma ike na mkpọtụ. Ndị na-akwado ọsọ ọsọ na-agba ọsọ na mgbawa zuru oke mgbe niile, na-eme ka mkpọtụ dịkwuo elu. VFDs na-ebelata mmalite mmalite na nkụda mmụọ.
Ebe dịpụrụ adịpụ: Debe ihe ndị na-eme mkpọtụ (ndọda, ndị na-agbanye) n'ebe dị anya site na mpaghara ndị e bipụtara.
Ọ bụrụ na ime ụlọ, wuo ụlọ mpịakọta na-enweghị ụda site na iji MLV, ụfụfụ acoustic, na ọnụ ụzọ isi ike na-enweghị ihu igwe. Nye ventilashion maka ikpo ọkụ site na iji silencer na ụzọ ikuku. Gbaa mbọ hụ na ụlọ dị oke iji kwe ka ịnweta mmezi na-enweghị imebi acoustics.
Electronically Commuted Motors (ECMs) Quieter na ihe oru oma karịa shade-pole ma ọ bụ na-adịgide adịgide split capacitor Motors. Upgrade ochie fan Motors ka ECMs maka ozugbo mkpọtụ Mbelata. ECMs na-ewepụkwa belt-drive mkpọtụ na ụfọdụ ngwa.
Fans dị ala dị ala dị ala dị ala dị ala dị ala karịa nke dị n'ihu. Maka ndị na-akwado axial, họrọ ube nwere ọkpụrụkpụ buru ibu na-agba ọsọ na ọsọ ọsọ. Jiri ọtụtụ obere ndị na-akwado kama otu nnukwu ikuku iji gbasaa isi iyi mkpọtụ.

5. Nlekọta na Mmelite Ndị A Na-eme Mgbe Niile

Ọ bụrụ na e nwee ihe ndị a na-eme n'oge na-adịghị anya, ọ ga-eme ka mkpọtụ ghara ịba.

Lubricate Bearings and Motors ] Akụ akụrụngwa na-emepụta mkpụmkpụ ma ọ bụ grinding. Soro usoro ihe omume nke onye nrụpụta maka abụba ma ọ bụ mmanụ. Jiri nri nri na kichin azụmahịa.
]Check Belt Tension and Alignment Ụdọ ndị na-agbapụ agbapụ na-akpata ịpịa ma na-eti mkpu. dochie eriri ndị a na-eyi ma gbanwee pulleys site na iji ngwá ọrụ nhazi laser.
Clean Fan Blades and Coils (FNT: 0) Mgbakwunye nke unyi na-eme ka ndị na-akwado ya ghara ịdị n'otu ma na-egbochi ikuku ikuku, na-amanye ọrụ siri ike na mkpọtụ.
Ndị Fans nke Balance Fans na-eme ka vibration dịkwuo ala. Jiri nyocha nke oge iji chọpụta ebe nrụọrụ weebụ. Overbalancing nwere ike ịka njọ karịa enweghị nguzozi; goro onye ọrụ nwere nkà na ụzụ nwere balancer.
Nyochaa njikọ duct. Mee ka hangers duct na-agbanwe agbanwe sie ike ma tinye nkwụnye roba na ebe njikọ iji gbochie mkpọtụ. Lelee maka corrosion ma ọ bụ mmebi nke ihe nkwụnye nwere ike ime ka ngalaba kewaa.

Replace Worn Dampers and Actuators Damper blade ndị na-ama jijiji ma ọ bụ na-ama jijiji na ikuku na-agbakwunye mkpọtụ. Mee ka ọ dịkwuo mma na ndị na-eme ka ọ dịkwuo mma na-eji obere leakage.

Maka usoro ịka nká, tụlee iji dochie ndị ofufe na ndị ofufe centrifugal na-agbada azụ, nke dị jụụ karịa atụmatụ ndị na-agbada n'ihu.

Ụzọ Ndị E Si Egbochi Ọgba Ọgba Ọgba n'Ebe Ọdịdị Dị Iche Iche

Ụlọ Ndị E Ji Etinyere Ndị Mmadụ Ụlọ

N'ụlọ, isi iyi kachasị ewu ewu bụ mpaghara mpụga nke ikuku, mkpọtụ nke ọkpọkọ, na ndị na-adịghị edozi ahụ. Kpebisie ike ịchọta mpaghara mpụga nke dịkarịa ala ụkwụ 10 site na windo ma jiri ihe mgbochi ụda (osisi, ngere, ma ọ bụ ihuenyo siri ike). Maka ọkpọkọ, hụ na ejikọtara ọnụ niile ma jiri njikọ ọkpọkọ dị mfe na ọdụ ụgbọ mmiri na-agbanwe agbanwe na ọdụ ụgbọ mmiri. Wụnye eriri ọkpọkọ na-etinye ụda na ụkwụ 5 mbụ nke akpa. Jiri moto ECM na oven ma ọ bụ ikuku ikuku; tụlee ịkwalite na usoro nkwụsịtụ obere ọkpọkọ ma ọ bụrụ na ọkpọkọ ahụ dị oke mkpọtụ.

Ụlọ Ọrụ Ndị Na-ahụ Maka Azụmaahịa

Ọfịs mepere emepe na-ata ahụhụ site na mkpọtụ igbe VAV, nkpuchi na-eme ka ikuku HVAC na-ada ụda site na ụlọ elu. Jiri igbe VAV na ndị na-eme ka ụda dị jụụ ma ọ bụ ndị na-eme ka ụda dị jụụ. Kọwaa ihe nkpuchi oghere linear na ọsọ ihu n'okpuru 450 ft / min. Maka ala ụlọ ọrụ, jiri plenums na-alaghachi n'elu ụlọ na-eme ka mkparịta ụka dịkwuo mma. Debe ụlọ ọrụ igwe dịpụrụ adịpụ na ụlọ nzukọ isi na mpaghara dị jụụ. Wụnye tile elu ụlọ elu (NRC > 0.8) n'elu ebe ọrụ.

Ụlọ Ọrụ Ahụ Ike

Ụlọ ọgwụ na ụlọ ọgwụ chọrọ ọkwa mkpọtụ dị oke ala maka mgbake ndị ọrịa. Jiri usoro ikuku ikuku dịpụrụ adịpụ (DOAS) na-eme ka ndị na-eme mkpọtụ dị elu. Maka ụlọ ọrụ ahụike, jiri ihe mkpuchi HEPA na-eme ka ndị na-eme ihe nkiri na-eme mkpọtụ. Kọwaa ihe mkpuchi vibration na-eme ka ndị na-ahụ maka ikuku na-agbanwe agbanwe. Jide n'aka na a naghị etinye usoro mkpuchi na mkpuchi n'akụkụ akwa ndị ọrịa. Nyere mpaghara ụda dị n'etiti ụlọ ndị ọrịa na ebe nlekọta.

Ụlọ Akwụkwọ na Ebe A Na-anọ Agụrụ Ndị Mmadụ Ihe

Ụlọ akwụkwọ chọrọ NC-25 ma ọ bụ obere maka nghọta okwu. Jiri ventilatọ unit na VFDs na oghere acoustic. Debe ndị na-ekpuchi na ndị na-ekpuchi ọkụ n'ebe dị anya site na mgbidi ụlọ akwụkwọ. Maka ụlọ mgbatị ahụ na ụlọ nzukọ, jiri ndị na-eme ka ụda dị jụụ na-eme ka ụda dị jụụ. Wụnye eriri eriri nke na-ewepụta ụda ma zere njikọ siri ike n'etiti ọwa na usoro. Tụlee usoro radiesị oyi maka ọrụ dị jụụ na ụlọ nzukọ.

Ụzọ Ndị Dị Elu E Si Eme Ka E Wepụ Noise

N'ebe ndị na-achọ ihe dị ka ụlọ ọrụ ndekọ, ụlọ ọgwụ, ma ọ bụ ụlọ ọrụ mepere emepe, usoro ndị a na-ahụkarị nwere ike ịchọ ka e jiri nkà na ụzụ dị elu gbakwunye ha.

Akwa Noise Control (ANC)

ANC na-eji igwe okwu na ndị ọkà okwu iji mepụta ebili mmiri ụda 180 ogo site na nkebi na mkpọtụ na-akpata ihe ọjọọ, na-akagbu ya na kọmputa. Nkà na ụzụ a dị irè maka mkpọtụ nke ndị na-akwado ikuku dị ala, nke siri ike igbochi n'ụzọ na-adịghị mma. Ụlọ ọrụ dị ka FST:0 Bose Professional na FST: 3 na-enye ihe ngwọta azụmahịa nke ANC maka sistemụ ọkpọkọ. Ọnụahịa ebelatawo, na-eme ka ANC dị irè maka ọrụ azụmahịa buru ibu. Ntinye chọrọ nlezianya itinye igwe okwu njehie na ndị ọkà okwu iji zere nzaghachi. Usoro ngwakọ nke jikọtara ANC na ndị na-emechichi ike nwere ike nweta mbelata 30 dB na ụdị ugboro ole a na-elekwasị anya.

Usoro nlọghachi nke plenum na nke elu

Iji plenum elu dị ka ụzọ nloghachi nwere ike ịbawanye mkpọtụ ikuku njikwa. Ịwụnye eriri azụ azụ na-agbanwe agbanwe nkewapụ na plenum na-ebelata nnyefe ụda. Ịgbakwunye igbe plenum dị n'etiti diffuser na ọkpọkọ na-eme ka mkpọtụ dị ala tupu ọ banye n'ime ụlọ. Maka elu na-emeghe, jiri tebụl elu na-etinye ụda na-eme ka ụda dị elu. Tụlee iji ụda na-eme ka mkpọtụ dị ala ma ọ bụ igwe ojii na nnukwu oghere.

Nlereanya nke Duct Attenuation

Ndị injinia ọkachamara na-eji ngwanrọ dị ka ASHRAE's HVAC Sound and Vibration Handbook iji chepụta mgbasa ụda ma chọpụta ihe ndị kachasị dị ọnụ ahịa. Modeling na-akọwapụta usoro ntanetị, njirimara nke onye ofufe, ọnwụ nke ntinye nke onye na-eme mkpọtụ, na mmetụta nke ime ụlọ. Maka ọrụ ndị dị mgbagwoju anya, ụzọ a nwere ike ịchekwa ego site na izere injinịa. Ngwaọrụ n'ịntanetị n'efu site na ụfọdụ ndị na-emepụta ihe mkpuchi na-enyekwa atụmatụ ndị siri ike.

Ịjikọta ya na usoro akpaaka ụlọ

Smart HVAC njikwa nwere ike belata mkpọtụ site na-achọ dabeere na ọrụ. Dị ka ihe atụ, a ụlọ management usoro nwere ike ịtọọ ndị kasị ibu ofufe na-agba ọsọ na ala ọsọ n'oge abalị ma ọ bụ mgbe mpaghara na-adịghị arụ ọrụ. IoT sensọ nwere ike nyochaa vibration etoju na ịdọ aka ná ntị mmezi tupu mkpọtụ na-aghọ noticeable. Nke a amụma ụzọ ogologo ngwá ọrụ ndụ na-eme ka jụụ ọrụ.

Ihe Ndị A Ga-atụle n'Ihi Iwu na Iwu Ụlọ

Ọtụtụ mba na-eme ka e nwee ihe a ga-eji na-eme mkpọtụ n'ebe ndị a na-eme ka ikuku na-acha.

ASHRAE Standard 2019 Na-atụ aro ọkwa ụda kachasị elu: ụlọ ọrụ onwe onye ≤ NC-30, ụlọ ọrụ mepere emepe ≤ NC-35, ụlọ ọgwụ ≤ NC-25, na ụlọ obibi ≤ NC-20. Ndị a bụ ụkpụrụ nduzi, anaghị emezu n'ozuzu, mana a na-ezo aka na nkọwapụta ụlọ.
International Mechanical Code (IMC) (FLT:1) Chọrọ vibration isolators maka akụrụngwa akụrụngwa jikọtara na owuwu. Ụfọdụ koodu mpaghara na-akọwa ntụgharị dị ala maka ndị na-eme nchọpụta mmiri (dịka ọmụmaatụ, 1.5 sentimita asatọ maka ndị na-akwado ya).
OSHA na-esetịpụ oke ikpughe (90 dBA maka awa 8). Ndị ọrụ ga-eji njikwa injinia tupu ha atụkwasị obi na nchebe ntị. Ihe mkpuchi ụda nwere ike belata ikpughe ndị ọrụ n'okpuru 85 dBA.
LEED v4 Ihe nrite maka imepụta mkpọtụ dị ala, gụnyere nzere arụmọrụ acoustic nke chọrọ izute ụkpụrụ NC. Ihe achọrọ maka EQ kredit: Mkpụrụ arụmọrụ acoustic.
N'obodo ndị ọzọ, a na-achịkwa mkpọtụ n'abalị site na ngwá ọrụ n'èzí. Oke nkịtị bụ 55 dBA na akara ụlọ n'oge abalị.

Ọ bụghị nanị na nnabata na-eme ka nkasi obi dịkwuo mma kamakwa ọ nwere ike ime ka uru nke ihe onwunwe dịkwuo elu. Rịba ama koodu mpaghara tupu ịmalite imezigharị; ụfọdụ ikike chọrọ nnwale ụda maka ụlọ ọhụrụ. Maka gburugburu ebe obibi ụlọ ọrụ, tụleekwa ụkpụrụ ISO 140 na ASTM E90 maka ọnwụ nnyefe ụda.

Ihe Ndị Ga-eme Ka E Nweta Uru

Ịtinye ego na mbelata mkpọtụ na-enye uru ndị a pụrụ ịhụ anya: nrụpụta dị elu (nyocha na-egosi 1015% mmụba na ọfịs mepere emepe), mma ụra na ụlọ obibi, na mkpesa ndị bi na ya na-ebelata na ebe azụmahịa. Ọnụahịa nke ịgbakwunye ndị na-eme mkpọtụ, ndị na-eme ka ọ dịtụ egwu, na ihe mgbochi ụda na-abụkarị 15% nke ọnụahịa zuru ezu nke HVAC. Nmegharị nwere ike ịdị oke ọnụ, mana ebumnuche ndị e mere dịka dochie moto ikuku na-eme mkpọtụ ma ọ bụ ịgbakwunye eriri ọkpọkọ na-akwụghachi ụgwọ na afọ ojuju ndị bi na ya n'ime ọnwa. Maka ụlọ ndị dị adị, usoro nke na-elekwasị anya na isi mmalite kachasị njọ na-enye nloghachi kachasị mma. Ndozi dị mfe dị ka ịdọba ogwe mmiri na-adịghị mma ma ọ bụ ịgbakwunye mgbakwunye mgbakwunye mgbakwunye roba nwere ike ịbawanye ihe ọ bụla ma ọ bụ ihe dị ka 510 dB. Nchịkọta uru-uru uru ga-nwere ike na-azọpụta ike site na

Nkwupụta

HVAC mkpọtụ bụ ihe ịma aka a pụrụ ijikwa mgbe a na-emeso ya n'ụzọ usoro. Site n'ịghọta isi mmalite nke vibration mechanical, ikuku ikuku turbulence, na ọrụ akụrụngwana site na itinye usoro kwesịrị ekwesị dịka mkpuchi ụda, mkpuchi mkpuchi vibration, njikarịcha ọwa, na nhọrọ nke akụrụngwa dị ala, ndị bi na ya nwere ike ịnụ ụtọ gburugburu ebe obibi dị jụụ. Nlekọta oge niile na-eme ka ọkwa mkpọtụ dị ala n'oge ndụ nke sistemụ. Maka ohere ndị na-achọsi ike, usoro dị elu dịka njikwa mkpọtụ ma ọ bụ ịme ihe ngosi ụda na-enye nkwalite ọzọ. N'ikpeazụ, itinye usoro ndị a abụghị naanị izute ihe ndị chọrọ koodu kamakwa na-eme ka ahụike na arụpụta ihe dị mma na-enweghị nsogbu na arụmọrụ ike ma ọ bụ nkasi obi ike thermal. Usoro HVAC nke ọma emebere bụ ihe ngosi nke imepụta ụlọ dị jụụ.