定频空调与变频空调有什么区别

变频空调和定频空调的区别是什么（Whatisthedifference

betweenvariablefrequencyairconditionerandfixedfrequency

airconditioner）

Summerairconditioningiveryone'sfavorite,currentlyhas

twoairconditioningpopularrespectivelyinverterair

conditionerandfixedfrequencyairconditioners,inverterair

conditionerandairconditioningfortherearealotofpeople

donotunderstand,whatisthedifferencebetweenthefixed

frequencyinverterairconditionerandairconditioning,which

isalotofpeopleinthepurchaofbasicinformationto

understandtheairconditioningthefollowingistotellthe

differencebetweenyouandtheinverterairconditionerwith

fixedfrequencyairconditioneriswhat.

Inverterairconditioner

Thegeneralairconditionerduetopowerfrequency50Hzisfixed,

sothespeedofthecompressorisfixed,whichiscalled"air

conditionerrefrigerant(Freon)ofthebloodcirculationis

constant,withinacertainperiodoftimeinthecirculation

oftherefrigerantisbigger,theoutputpowerofair

rwords,thespeedofthe

compressordeterminestheoutputpoweroftheairconditioner.

Thefrequencyconversionairconditionerisakindofair

conditionerusingfrequencyconversioncompressorandfuzzy

djustthespeedofrefrigeration

he

of15squaremeters,frequencyconversionair-conditioning

et

temperatureisreached,thefrequencyconversionair

conditionercanoperateatalowspeedonlyforthefixed

frequencyairconditioner10%,soastoadjustthetemperature,

theslightlossandmaintaintheconstanttemperaturestate.

Testshowsthat,comparedwithfixedfrequency

air-conditioning,inverterairconditionernoiislow5-6

decibels,longlifeof5-8years,isthefuturedirectionof

lefrequencyairconditioning

isrelativetoordinaryair-conditioning,theordinaryair

conditioningcompressormotoradoptsACasynchronousmotor,

thespeedisconstant,50HZ,thespeedisabout2880r/

firstinverterairconditionerissingle-phaACpower

transformationof220Vor50HZbecomethree-phavariable

frequencyACpower(25~118HZ,56~160),thesupplyofthe

compressor,throughthefrequencychangetoadjustthe

compressorspeed,thecoolingcapacityofcontinuouschange,

adapttotheneedsoftheairconditioningload.

lprincipleandmaincharacteristicsofinverterair

conditioner

Themaindifferencebetweeninverterairconditionerand

ordinaryairconditionerorfixedspeedairconditioneristhat

microcomputerofthefrequencyconversionairconditioner

collectstherelevantinformationoftheindoorenvironmentat

anytime,compareswiththeinternalttingvalue,andoutputs

king

principleofACinverterairconditioneristhealternating

currentintodirectcurrentpowersupply,andndittothe

powermodule(powertransistorswitch);thecontrolsignalnt

bythemicrocomputercontrolmoduleatthesametime,

alternatingpoweroutputfrequencyadjustable(waveform

approximationisXianBo),sothatthecompressormotorspeed

varieswithpowerfrequencyforthecorrespondingchanges,so

astocontrolthedisplacementofthecompressor,refrigeration

rterairconditioneralsoACintoDCpower

supply,andnttothepowermodule,themodulecontrolsignal

ntbythesamemicrocomputercontrol,theDCpoweroutput

module(nocontrolledinverter)DCmotortothecompressor,the

compressordisplacementcontrol,theDCinverterair

erairconditioner

compressorbyfrequencyconversionmotordrive,powerinverter

outputfrequencychangesthealternatingcurrenttothemotor,

themotorspeedaccordingtotheneedsofindoorcooling

capacityandthecontinuouschange,automaticcontrolof

refrigerationcompressortoachievecontinuouschangesinthe

rtocopewiththecontinuouschangeofthe

coolingcapacity,anelectronicexpansionvalveisadoptedin

therefrigerationsystem,andtherefrigerantflowintothe

evaporatoriscontrolledquicklybythepulmotorswitching

valvecore.

2,inverterairconditioning,itsmainfeatures

Itcanmakethecompressormotorsteplessspeedadjustable,its

speedisproportionaltothechangeaccordingtotheindoorair

conditioningload,whentheroomneedsrapidcooling(orrapid

warming),airconditioningloadincreas,thecompressor

speedisaccelerated,therefrigerationcapacity(orheating)

willincreaproportionally,whenthetemperaturereachesthe

highspeedstomaintainroomtemperature

ottleofinverterairconditioner

istheuofelectronicexpansionvalvecontrolflow,itcan

opentheoutdoormicroprocessortocontrolthevalveaccording

tothecollectedtemperaturensorarrangedintheexpansion

valveandcompressorgasimportandexportmanagementoffice

information,atanytimetochangetheflowofrefrigerant.

Thespeedofthecompressorcorrespondstotheopeningofthe

expansionvalve,soastomaximizethecapacityofthe

ametime,duetotheuofelectronic

expansionvalveasathrottlingelement,thedefrostingdoes

notstop,theuofheatfromthecompressorexhaustheatto

theroomfirst,theremainingheattotheoutdoor,theheat

lefrequencyair

conditioningwillgraduallyreplacethetraditionalconstant

speedairconditioning,becomingthemainstreamofair

quency

conversiontechnologyhasbeenchangedfromACtoDC,andthe

controltechnologyhasbeendevelopedfromPWM(pulwidth

modulation)toPAM(pulamplitudemodulation).Byusingthe

upperlimitspeedofcompressorspeedcontrolmodeofPWM,

generallynotmorethan7000rpm,andthecompressorspeed

controlmodeofPAMcanbeincreadbyabout1.5times,thus

greatlyimprovingthecoolingcapacityofrefrigerationandlow

temperature.

Two,fixedfrequencyairconditioning

Fixedfrequencyairconditionerisaunitudtoprovideair

temperaturechangesinaspacearea(usuallyclod).Its

functionistoadjustthetemperature,humidity,cleanliness

andairflowrateoftheroom(orenclodspace,area)tomeet

ational

homenetworkvoltageof220volts,50Hz,inthisconditionthe

workofairconditioningcalledfixedfrequencyair

eofthepowersupplyfrequencycannotbe

changed,thetraditionalfixedfrequencyairconditioner

compressorspeedunchanged,byconstantly",stopthe

compressortoadjusttheindoortemperature,theopeningand

closingareeasytocauthetemperaturesometimeshotand

sometimescoldandconsumemorepower.

1,fixedfrequencyairconditionerworkingprinciple

Airconditioningisdividedintocoldairconditioningandheat

pump,theworkingprincipleisthesame,thegeneraluof

scharacterizedby

thereleaoflargeamountsofheatwhenthegasischanged

iquidisconvertedintoagas,itabsorbs

ditioningisbadontheprincipleof

pressorcompressthegaousrefrigerantinto

aliquidrefrigerantofhightemperatureandhighpressure,and

thenisnttothecondenr(outdoorunit)tobecomealiquid

refrigerantatnormaltemperatureandhighpressure.

Andthentothecapillaryintotheevaporator(indoor),becau

ofthespacerefrigerantfromtheevaporatortothecapillary

afterasuddenincreaofpressuredecreas,therefrigerant

willvaporizeliquidintogaousrefrigerant,lowtemperature,

soastoabsorbalargeamountofheat,theevaporatorwill

becomecold,fanindoorindoorairfromtheevaporatorinthe

wind,sotheindoormachinethewindisblowingout;it

condensintodropsofwatervapourintheairmeetscold

evaporator,alongthepipeflowout,thisisthereasonwhyair

ating,thereisacomponent

calledthefourwayvalve,sothattherefrigerantinthe

condenrandevaporatorflowdirectionandrefrigerationwhen

theopposite,sowhentheheating,outdoorblowingcoldair,

,theuofjuniorhigh

schoolphysicsintheliquefied(fromgastoliquid)to

dischargeheatandvaporization(fromliquidtogas)toabsorb

ergridvoltageofthecountry

conditionerunderthiscondition

iscalledfixedfrequencyairconditioner.