Intshayelelo kwi-Pressure Instrumentation

Ukuqonda i-instrumentation yoxinzelelo yinto ebalulekileyo kwizicelo ezahlukeneyo zemizi-mveliso, ukusuka kulawulo lwenkqubo ukuya kwiinkqubo zokhuseleko. Esi sikhokelo sinika inkcazo ecacileyo yezixhobo zokulinganisa uxinzelelo eziqhelekileyo, imigaqo yazo yokusebenza, kunye nezicelo eziqhelekileyo. Icandelo ngalinye lenzelwe ukwenza lula iikhonsepthi ezintsonkothileyo, ukwenza ukufunda kusebenze kwaye kubandakanye.

1. I-Bourdon Tube Pressure Gauge

Ngokuqhelekileyo zisetyenziswa kwiinkqubo zoshishino, ezifana nezibiyeli, i-Bourdon tube gauges pressure gauges isebenza kumgaqo we-curved, ityhubhu engenanto ephazamisayo phantsi koxinzelelo lwangaphakathi.

UmGaqo wokuSebenza:

• Ulwelo oluxinzelelweyo lungena kwityhubhu yeBourdon egobileyo.
• Ityhubhu yolula kancinane, idlulisela le ntshukumo ngenkqubo ye:
  • Intonga yokudibanisa
  • Icandelo kunye ne-pinion gear
  • Isalathisi kwaye ucofe
• Isalathi ke sibonisa ngokuchanekileyo ixabiso loxinzelelo kwidayalo elungisiweyo.

IBakala lokuChaneka:

Ukuchaneka kuchazwa njengepesenti yesikali esipheleleyo sempazamo evumelekileyo.

• Amanqaku aqhelekileyo aquka: 0.5, 1.0, 1.5, 2.0, kunye no-2.5.
• Inombolo yebakala elisezantsi ibonisa ukuchaneka okuphezulu.
• AmaBanga 3 kunye ne-4 awafane aqeshwe kwizicelo ezibalulekileyo ezifana neenkqubo zebhoyila ngenxa yokuchaneka kwazo okuphantsi.

2. Isilinganisi soMbane woQhagamshelwano loMbane

Esi sixhobo yinguqulelo ephuculweyo ye-Bourdon gauge yoxinzelelo, ukudibanisa oonxibelelwano lombane ukubonelela nge-alamu ebalulekileyo kunye nokulawula ukusebenza.

Iimbonakalo:

• Ixhotyiswe kunye nabafowunelwa abaphezulu nabasezantsi.
• Ivuselela i-alam okanye impendulo ezenzekelayo xa imilinganiselo yoxinzelelo igqithisiwe.
• Inokuhlanganiswa ngokungenamthungo kunye neereyilayi kunye nabafowunelwa kulawulo olupheleleyo oluzenzekelayo.
• Isebenza ngokukodwa kwiindawo ezibango ezifana ne-oyile kunye ne-gas boiler systems.

3. I-Capacitive Pressure Sensor

Ezi zinzwa eziyinkimbinkimbi zibona uxinzelelo ngokulinganisa ngokuchanekileyo utshintsho kwi-capacitance ngenxa yokuguqulwa kwe-diaphragm eguquguqukayo.

UmGaqo wokuSebenza:

• Uxinzelelo olusetyenziswayo lubangela ukuba i-diaphragm eguquguqukayo ihambe.
• Oku kufuduswa kuguqula ngokuthe ngqo i-capacitance phakathi kwamacwecwe amabini.
• Umqondiso obangelwayo emva koko uguqulelwe ngokuchanekileyo kwimveliso yombane enokulinganiswa.

Iintlobo:

• Ifumaneka kuzo zombini ezikuphelayo kunye noyilo olwahlukileyo.
• Abenzi boluvo boxinzelelo abahlukeneyo babonisa malunga nokuphinda kabini uvakalelo lweentlobo eziphela.

Izinto eziluncedo:

• Uvakalelo oluphezulu, oluvumela imilinganiselo echanekileyo.
• Isantya sokuphendula ngokukhawuleza kwizicelo ezinamandla.
• Ukuchasana okugqwesileyo ukothuka kunye nokungcangcazela.
• Uyilo olulula noluqinileyo lwesakhiwo.

4. Bellows Pressure Gauge

Le geyiji lolona khetho lufanelekileyo lokulinganisa utshintsho olufihlakeleyo loxinzelelo, lufaneleke ngakumbi iinkqubo zebhoyila zokungenisa umoya kunye nemibhobho yerhasi.

UmGaqo wokuSebenza:

• Uxinzelelo lungena kumngxuma okhethekileyo.
• Imvulo iyakhula, ivelisa ukufuduswa koomatshini ngokuchanekileyo.
• Esi sindululo ke sigqithiselwe ngokuchanekileyo kwisalathisi kusetyenziswa isixhobo segiya.
• Ukufundwa koxinzelelo oluphilayo kuboniswa ngokuthe ngqo kwidayina yesixhobo.

5. IiThermometers zoxinzelelo

Ezi zixhobo ezidityanisiweyo zisebenzisa inkqubo etywiniweyo ezaliswe ngolwelo oluthile ukuguqula ngokuchanekileyo utshintsho lobushushu lube kufundo oluhambelana noxinzelelo.

Amacandelo:

• Ingqukuva (probe) ebekwe ngobuchule phakathi kwendawo yobushushu ukuze ibekwe iliso.
• Ityhubhu ye-capillary eyenzelwe ukuthwala utshintsho loxinzelelo.
• I-tube ye-Bourdon, esabela kwiinguqu zoxinzelelo olugqithisiweyo.
• Isalathiso esibonisa ngokuchanekileyo iqondo lobushushu kwidayili elungisiweyo.

Ulwelo olusetyenzisiweyo:

• Ngokuqhelekileyo izaliswe ngolwelo, umphunga, okanye iigesi ezifana nenitrogen (ekhethelwe ukuzinza kwayo).
• Uluhlu olusebenzayo ludla ngokusuka ku -100°C ukuya +500°C.

Usetyenziso:

• Okubalulekileyo ekubekeni iliso lobushushu okuqhubekayo kunye nemisebenzi yokutshintsha ngokuzenzekelayo.
• Isetyenziswa ngokubanzi kwiisekethe zolawulo ngaphakathi kweenkqubo ezahlukeneyo zoshishino.

6. IiSensors zoxinzelelo lwe-Strain Gauge

Ezi zivavanyi zichaneke kakhulu zongeza iigeyiji zoxinzelelo ukuguqula uxinzelelo lomatshini ngokuthe ngqo kwiinguqu ezinokulinganiswa zokuxhathisa umbane.

Iimpawu eziphambili:

• Igeyiji yoxinzelelo ebotshelelwe ngobunono kwisubstrate ebuthathaka kuxinzelelo.
• I-substrate ikhubaza phantsi koxinzelelo olusetyenzisiweyo, ngaloo ndlela iguqula ukuchasana kwe-gauge yoxinzelelo.
• Ngokuqhelekileyo usebenzisa i-Wheatstone bridge circuit yokulinganisa ngokuchanekileyo utshintsho lokumelana.
• Isiphumo somqondiso siye sandiswa kwaye sifakwe kwidijithali ukwenzela imveliso echanekileyo.

Ukwahluka:

• Ifumaneka kwiintlobo zombini zensimbi kunye ne-semiconductor.
• Iintlobo zefoyile yesinyithi ngakumbi ziquka ucingo kunye ne-foil subtypes.

Sebenzisa Amatyala:

• Igqwesileyo ngokudityaniswa ngokungenamthungo kwiinkqubo zanamhlanje zolawulo lwedijithali.
• Inikezela ngokuchaneka okuphezulu kwaye ilungelelaniswe kakuhle kwizicelo zomlinganiselo oguqukayo.

Isiphelo: Isifundo esibonwayo, iZakhono zokuSebenza

Nokuba umtsha kwisixhobo okanye uhlaziya ulwazi lwakho, ezi zikhokelo zezixhobo zoxinzelelo eziphilileyo ziyilelwe ukukunceda ukuba ubambe iikhonsepthi eziphambili kunye nokwakha ukuqonda okusebenzayo.

Hlala ubukele izikhokelo ezenziwe lula kwinqanaba, ukuhamba, kunye nesixhobo sohlalutyo-zonke ziyilelwe ukwenza ukufunda okuzenzekelayo kungabi nolwazi kuphela kodwa kube mnandi ngokwenene.