Izinzuzo zezinzwa zokucindezela kwedijithali

Izinzwa zengcindezi zisetshenziswa ezinhlobonhlobo zezicelo zezimboni ezisukela kuma-hydraulics nama-pneumatics; ukuphathwa kwamanzi, i-hydraulics yeselula kanye nezimoto ezingekho emgaqweni; amaphampu kanye nabacindezeli; Izinhlelo zomoya nomoya wokuqapha ukuze utshale ubunjiniyela kanye ne-automation. Badlala indima ebalulekile ekuqinisekiseni ukuthi ukucindezela kohlelo kungaphakathi kwemingcele eyamukelekayo futhi kusiza ukuqinisekisa ukusebenza okuthembekile kwezicelo. Ngokuya ngezidingo zokufakwa kanye nezidingo zohlelo, kunezinzuzo ezahlukene zokusebenzisa izinzwa ze-analog kanye nezedijithali.

Ungayisebenzisa Nini Idijithali ne-AnalogIzinzwa zokucindezelaekwakhiweni kwesistimu

Uma uhlelo olukhona lususelwa ekulawulweni kwe-analog, enye yezinzuzo zokusebenzisa inzwa yokucindezela kwe-analog ukulula kwayo ukusetha. Uma kudingeka isiginali eyodwa kuphela ukukala inqubo eshukumisayo enkundleni, inzwa ye-analog ehlanganiswe ne-analog-to-digital (kanti inzwa ye-digital video ingaba yisixazululo esilula sokusungula i-loop esebenzayo esebenzayo, inzwa ye-analog yengcindezelo eyisisombululo esisheshayo. Ngezinhlelo ezingadingi izikhathi zokuphendula ngokushesha ngaphezu kuka-0.5ms, izinzwa zengcindezi yedijithali kufanele zibhekwe, ngoba zenza lula ukuxhumana namadivayisi wedijithali futhi zenze uhlelo lube lukusasa.

Isikhathi esikahle sokubheka ukushintshela ezinzwa ezidijithali kuhlelo lwe-analog ukuthuthukisa izingxenye ukufaka ama-microchips ahlelekile. Ama-microchips wanamuhla manje ashibhile futhi kulula ukuhlela, kanye nokuhlanganiswa kwawo ezingxenyeni ezinjengezinzwa zengcindezi zingenza lula ukugcinwa kanye nokuvuselelwa kohlelo. Lokhu kusindisa izindleko ezingaba khona ze-Hardware, njengoba inzwa yedijithali ingavuselelwa nge-software kunokuba ithathe indawo yonke.

Isikhathi esikahle sokubheka ukushintshela ezinzwa ezidijithali kuhlelo lwe-analog ukuthuthukisa izingxenye ukufaka ama-microchips ahlelekile. Ama-microchips wanamuhla manje ashibhile futhi kulula ukuhlela, kanye nokuhlanganiswa kwawo ezingxenyeni ezinjengezinzwa zengcindezi zingenza lula ukugcinwa kanye nokuvuselelwa kohlelo. Lokhu kusindisa izindleko ezingaba khona ze-Hardware, njengoba inzwa yedijithali ingavuselelwa nge-software kunokuba ithathe indawo yonke.

I-plug-and-play design kanye nobude bekhebula elifushane le-Digital Pressure Sensor yenza lula ukusetha kohlelo futhi kunciphise izindleko zokufaka zohlelo lokusebenza ezilungiselelwe kwezokuxhumana kwedijithali. Lapho inzwa yengcindezi yedijithali ihlanganiswe ne-GPS Tracker, ingathola ukude nokubheka amasistimu asuselwe kude amafu ngesikhathi sangempela.

Izinzwa ze-Digital Pressure zinikeza izinzuzo eziningi ezinjengokusetshenziswa kwamandla okuphansi, umsindo omncane kagesi, ukuxilongwa kwenzwa, kanye nokuqapha okukude.

Izinzuzo zezinzwa zokucindezela kwedijithali

Lapho umsebenzisi ehlole ukuthi inzwa ye-analog noma yedijithali ilungele uhlelo olunikeziwe, ukuqonda ezinye zezinto ezizuzisayo ze-Digital Pressung Sensors Ukunikezwa kwezicelo zezimboni kuzosiza ukuthuthukisa ukuphepha kohlelo, ukusebenza kahle, kanye nokwethembeka.

Ukuqhathaniswa okulula kwe-Inter-Partereit (I 2 C) ne-serial peripheral interface (SPI)

Izinhlobo ezimbili zokuxhumana zedijithali ezisetshenziswa kakhulu ezisetshenziselwa izimboni ziyisekethe umjikelezo (i 2 c) ne-serial peripheral interface (SPI). I2c ilungele kangcono amanethiwekhi ayinkimbinkimbi ngoba izintambo ezimbalwa ziyadingeka ukuze zifakwe. Futhi, i2c ivumela amanethiwekhi amaningi we-master / calave amaningi, ngenkathi i-SPI ivumela kuphela i-master ye-master / inethiwekhi yenceku eminingi. I-SPI yisisombululo esifanelekile senethiwekhi elula kanye nesivinini esiphakeme kanye nokudluliselwa kwedatha njengokufunda noma ukubhala amakhadi we-SD noma izithombe zokuqopha.

Ukuphuma kwesiginali nokuxilongwa kwenzwa

Umehluko obalulekile phakathi kwezinzwa ze-analog ne-digital pressures ukuthi i-analog ihlinzeka ngesiginali eyodwa kuphela yokukhipha, ngenkathi izinzwa zedijithali zihlinzeka ngezimpawu ezimbili noma ngaphezulu, njengezimpawu zokucindezela kanye nokuxilongwa kwezinga lokucindezela. Isibonelo, kuhlelo lokulinganisa igesi yokulinganisa, imininingwane yokushisa eyengeziwe inwebisa isiginali yokucindezela ibe yisilinganiso esibanzi kakhulu, okuvumela ivolumu yegesi ukubalwa.Izinzwa ezibalulekile futhi zinikeza amaphutha wokuzivikela, ukunika amandla ukulungiswa kokuvimbela.

Idatha yokuxilonga ihlinzeka ngesimo esinemininingwane yenzwa, njengokuthi yini into ye-sensor yonakalisiwe, noma ngabe i-voltage voltage ilungile, noma ngabe ngabe kukhona amanani avuselelwa enzwaneni engatholakala. Idatha yokuxilonga kusuka ezinsizeni zedijithali ingaholela ezinqumweni ezingcono lapho ixazulula izinkinga kunezinzwa ze-analog ezinganikeli imininingwane eningiliziwe ngamaphutha wesiginali.

Enye inzuzo yezinzwa zedijithali zedijithali ukuthi zinezici ezinjengama-alamu ezingakwazisa abasebenza emikhubeni ngaphandle kwamapharamitha okufundwayo, ukusiza ukunciphisa ukusetshenziswa kwamandla okufundwayo. Ngoba inzwa ye-Digital Pressure ihlinzeka ngenani elikhulu lemiphumela kanye nemisebenzi yokuxilonga, uhlelo lonke lunamandla futhi lusebenza kahle, ngoba imininingwane ihlinzeka ngamakhasimende ukuhlolwa okuthe xaxa kokusebenza kohlelo. Ngaphezu kokukhulisa ukukalwa kanye namakhono wokuzihlola, ukusetshenziswa kwezinzwa zengcindezi yedijithali kungasheshisa ukuthuthukiswa kanye nokuqaliswa kwe-Internet ye-Intanethi yezimboni (IIOT) nezinhlelo ezinkulu zedatha.

Umsindo wezemvelo

Izindawo ezinomsindo nge-electromagnetical eduze kwamakhebula, amakhebuli amade, noma imithombo yamandla engenantambo ingadala izinselelo zokuphazamiseka kwezimpawu zezakhi ezifana nezinzwa zengcindezi ezifana nezinzwa zokucindezela. Ukuvikela ukuphazanyiswa kwe-electromagnetic (i-EMI) Ezinzwa ezingcindezi ze-analog, ukwakheka kudinga ukufaka isimo esifanele sesiginali njenge

Izihlangu zensimbi ezinesisekelo noma izingxenye ezengeziwe ze-elekthronikhi, njengoba umsindo kagesi ungadala ukufundwa kwamanga. Yonke imiphumela ye-analog itholakala kakhulu ku-EMI; Kodwa-ke, ukusebenzisa umphumela we-analog- analog kungasiza ekugwemeni lokhu kuphazanyiswa.

Ngokuphambene nalokho, izinzwa zokungcwaba zedijithali zingathathi hlangothi komsindo wezemvelo ukwedlula okufana ngayo ne-analog, ngakho-ke zikhetha okuhle kwezicelo ezidinga ukuqaphela ngaphandle kwesisombululo esingesinye. Kumele kwaziwe ukuthi izinhlobo ezahlukene ze-Digital Pressus Sensors zinikeza ama-degree ahlukene we-EMI Roafrous, kuya nge-protocol ye-Digital Parterital (SPI) ehlanganiswe kahle ngezinhlelo zekhebula noma ezihlanganisiwe zekhebula ezingaphansi kohlobo lwekhebula kanye ne-Pullwire. ku-resistor. Kumasistimu adinga amabomu amade afinyelela ku-30m, ama-canopen (anokuvikela okukhethwayo) noma izinzwa zedijithali zedijithali ze-IO-Link) kungaba yisinqumo esihle kakhulu se-EMI-UNCURITITY (yize idinga ukusetshenziswa kwamandla okuphezulu kwe-I2C kanye ne-serial).

Ukuvikelwa kwedatha usebenzisa isheke le-cyclic redundancy (CRC)

Izinzwa zedijithali zinikeza inketho yokufaka i-CRC ku-chip ukusiza ukuqinisekisa ukuthi amakhasimende angancika kusiginali. I-CRC yedatha yezokuxhumana iyisengezo ekuhlolweni kwe-Chip ye-Chip, okuvumela umsebenzisi ukuthi aqinisekise ukusebenza kwenzwa, ukuhlinzeka ngezinsizakalo ze-sensor ze-sensor ezindaweni ezinomsindo, njengalezo ezifakwe eduze kwama-transmitters ezinhlelweni ezenzelwe amafu. Kulokhu, kunengozi eyengeziwe yomsindo ephazamisa i-chip ye-sensor kanye nokukhiqiza amaflipli amancanyana angaguqula umlayezo wokuxhumana. I-CRC ebuqothweni yememori izovikela inkumbulo yangaphakathi enkampanini enjalo futhi ilungise uma kunesidingo. I-CRC yenza lula le nqubo futhi ihlinzeka ngokuguquguquka okuthe xaxa kuMklami. Ngaphezu kokuhlolwa kwedatha yedatha, abanye abakhiqizi bangeze eminye i-elekthronikhi ukucindezela umsindo kusuka emithonjeni efana ne-WiFi, i-Bluetooth, GSM, kanye nama-Ism amabhendi wokuvikela ukuqinisekiswa kwedatha.

I-Digital Pressure Sensor emsebenzini isekela amanethiwekhi ahlakaniphile okusatshalaliswa kwamanzi

Ukulahleka kwamanzi ngenxa yokuvuza, ukungalungiseli metering, ukusetshenziswa okungagunyaziwe noma inhlanganisela yalezi zintathu kuyinselele njalo kumanethiwekhi amakhulu okusatshalaliswa kwamanzi. Kusetshenziswa izinzwa zokungcwaba zedijithali eziphansi kuma-node kuyo yonke inethiwekhi yokusabalalisa kwamanzi kuyindlela esebenzayo futhi engabizi kakhulu yokubeka imephu inethiwekhi yokusatshalaliswa kwamanzi yesifunda futhi uvumele izinsiza zokuthola indawo lapho kwenzeka khona izindawo lapho kulahlekelwa khona kwamanzi okungalindelekile.

Lapho isetshenziswa ezindaweni zonke zenethiwekhi yosizo lwamanzi, izinzwa zokungcwaba zedijithali zingasiza ekuboneni izindawo ezingalindelekile zokulahlekelwa kwamanzi, ngaleyo ndlela zixazulule inkinga ngempumelelo kanye nokwenza ngcono ukusebenza kahle kohlelo.

Izinzwa zengcindezi ezilungele kahle lezi zinhlelo zokusebenza zivame ukuvalwa kahle ku-IP69k noma ku-modular ukunikeza amakhasimende aphezulu design. Ukuvimbela amanzi ukuthi angenise inzwa kukho konke impilo yesicelo, abanye abakhiqizi bezinzwa bengcindezi basebenzisa ukuxhumana kwe-hermetic to-to-metal. I-Plass-to-Metal Seal iyamanzi futhi yakha uphawu lwe-airtight ku- "phezulu" kwenzwa, esiza inzwa ukufeza i-IP69k. Lokhu kuvalwa kwalokhu kusho ukuthi inzwa ihlala ilinganisa umehluko wokucindezela phakathi kwento kuhlelo lokusebenza nomoya ozungezile, ukuvimbela ukugeleza kwe-Offset.

Ukulawulwa Kwe-Pureristid System System

Izinzwa zengcindezi zidlala izindima ezahlukahlukene ezibalulekile ekuqapheleni nasekuletheni umoya ocindezelwe namagesi ezokwelapha kulo lonke eladi lokuhambisa. Kulezi zinhlobo zezicelo, izinzwa zengcindezi zingaba nesibopho sokulawulwa kwe-compressor kanye nemisebenzi ehlukahlukene yokuqapha, kufaka phakathi ukugeleza kokudla, ukuhlanganiswa kwengcindezelo yengcindezelo enikezwe inzwa engcono ye-digital kanye nenani lokucindezela le-digital anganikeza ukulinganisa okungcono kohlelo nokuqapha. Lokhu kuvumela abathuthukisi bohlelo ukusondelana nezimo ezifanele zokusebenza zohlelo lokusebenza.

Ngenkathi kusekhona ukufakwa okuthile okulungele ukusebenzisa izinzwa zengcindezi ye-analog, izinhlelo eziningi zemboni ezengeziwe 4.0 zizuza ekusebenziseni abalingani babo bedijithali. Ukusuka Emi Ukuvikelwa Kokuvinjelwa Kokuvikelwa Kokugxekayo Kwezindawo Zokuhlola Ukuhlola Ukuxilongwa kwe-Sensor kanye nokuvikelwa kwedatha, izinzwa zengcindezi yedijithali zinika amandla ukuqapha okukude nokunakekelwa kokubikezela, ukwenza ngcono uhlelo kanye nokwethembeka kohlelo. Idizayini yensor enamandla enokucaciswa okufana nokulinganisa i-IP69k, amasheke angeziwe wedatha, kanye nama-elekthronikhi abanzi we-Edboard wokuvikelwa kwe-EMI azosiza ukukhulisa impilo yonke futhi anciphise amaphutha wesiginali angaba khona.