Ifanelekile kwi-Dongfeng Cummins inzwa yoxinzelelo lweoyile 4921489

1. Yintoni inzwa yoxinzelelo?

Isivamvo soxinzelelo nasiphi na isixhobo esibona uxinzelelo olwenziwa kulo yinto okanye umzimba. Ubungakanani boxinzelelo kwisixhobo sinokulinganiswa ngempembelelo yalo kwinzwa. Iinzwa zinokuba yidijithali okanye i-analog, kodwa nangayiphi na indlela, zinokuthumela isiginali yokufunda yexabiso elithile loxinzelelo kwindawo ekude.

Igama elithi "inzwa" ikwaligama eliqhelekileyo neliqhelekileyo ukusa kumlinganiselo othile, kubandakanywa izixhobo ezikhethekileyo, njengeziguquli kunye nezidluliseli. Ngamanye amazwi, nangona zonke ii-transducers zoxinzelelo ziyi-sensor, ayizizo zonke ii-sensor sensors zi-transducers. Ungaphinda ubhekisele kumacandelo enkqubo yokulinganisa echatshazelwa ngokuthe ngqo kuxinzelelo njenge "sensors", kunokuba amacandelo azimeleyo enkqubo aguqule le ngcaciso kwiimpawu ze-elektroniki.

2. Inzwa yoxinzelelo isebenza njani?

Njengesixhobo se-electromechanical, inzwa yoxinzelelo inokubona kwaye ibeke iliso kuxinzelelo lwenkqubo yamanzi ngokuguqula amandla omzimba kwisixhobo kwisignali yombane.

I-sensor yoxinzelelo olunzima luyinxalenye yenkqubo enkulu, engafundi kuphela inqanaba loxinzelelo olusetyenzisiweyo kwinkqubo, kodwa ngokwenene uxanduva lokubeka iliso nokulawula inkqubo ekuphenduleni kwinqanaba loxinzelelo olufunyenweyo. Ngokutshintsha koxinzelelo, imveliso yesignali ye-sensor nayo iya kutshintsha. Oku kusenokuqalisa ulawulo olulungiselelwe ukuvula, ukucima okanye ukulungelelanisa umgangatho wamalungu enkqubo kwiindawo ezithile ezichongiweyo.

3. Yintoni ipressure transducer?

I-pressure transducer luhlobo lwesivamvo soxinzelelo, oluqulunqwe sisiqalelo esibuthathaka soxinzelelo kunye nento yokuguqula umqondiso. I-transducer iguqula isibonakaliso sombane esisezantsi ukusuka kwi-input mechanical pressure (ukusuka kwigesi okanye ulwelo) ukuya kwi-voltage elinganayo okanye i-milliampere output. "Transduction" ithetha "utshintsho".

4. Yintoni umsebenzi we-transducer yoxinzelelo?

I-transducer ifunda uxinzelelo kwinkqubo yolwelo. Emva koko, i-voltage okanye imveliso yangoku ye-transducer inokudluliselwa kwindawo ekude ukuze ibekwe esweni kunye nokwazisa ulawulo oluzenzekelayo okanye lwencwadana yenkqubo. Iindidi zemveliso ye-Analog ziquka: 4–20 mA, 0–5 VDC, 0–10 VDC, 1Vac okanye 0.333Vac. Ukuba usebenzisa i-digital pressure transducer (i-AKA i-pressmitter transmitter), izixhobo ze-elektroniki eziphezulu kakhulu zinokubonelela ngomsebenzi wokuthumela imiqondiso ngokusebenzisa iiprothokholi zonxibelelwano lwezoshishino ezifana ne-Modbus okanye i-BACnet.

5. Ii-transducers zoxinzelelo ezomileyo nezimanzi

I-transducer yoxinzelelo olomileyo ilinganisa umahluko woxinzelelo kwindawo eyomileyo (efana nomoya okanye inkqubo yegesi yombhobho), ngelixa i-transducer yoxinzelelo oluphakathi emanzi iyakuvumela ukuva uxinzelelo kwindlela emanzi (efana nombhobho).