I-Interface 7418 Load Cell Force Measurement System Umhlahlandlela Womsebenzisi

Faka amaseli omthwalo ngokwezincomo zomenzi.
Qinisekisa ukuthi ihadiwe efanele isetshenziswa ukuxhuma umthwalo kuseli lomthwalo.
Qinisekisa ukuthi kunomzila owodwa kuphela wokulayisha nge-eksisi yokulayisha yeseli.

Ukufakwa kukagesi

Ukusetha ugesi okulungile kubalulekile ekusebenzeni kahle kweseli lomthwalo.

Cabangela lokhu okulandelayo:

Hlola ukujikeleza kwebhuloho kanye nebhalansi enguziro.
Yenza izivivinyo zokumelana ne-insulation usebenzisa izinto ezifanele.

Layisha Ukuhlola Amaseli

Yenza ukuhlola kokuxilonga usebenzisa i-ohmmeter.
Uma kutholwa amaphutha, buyisela iyunithi efekthri ukuze ihlolwe futhi ilungiswe.

FAQ

Umbuzo: Yini okufanele ngiyenze uma iseli lomthwalo wami lonakele noma lingasebenzi kahle?

A: Uma usola inkinga nge-load cell yakho, landela inkomba yokuxazulula inkinga enikezwe kumanuwali.
Hlola ukufakwa kwemishini nogesi, yenza izivivinyo, futhi uma kudingeka, buyisela iyunithi efekthri ukuze ihlolwe futhi ilungiswe.

Isingeniso

Ukusebenza kwesistimu yokulinganisa amandla eseli lomthwalo (noma isisindo) kuncike ekuqineni kokufakwa ngokomzimba, ukuxhumana okulungile kwezingxenye, ukusebenza kahle kwezingxenye eziyisisekelo ezakha isistimu, nokulinganiswa kwesistimu. Ngokucabangela ukuthi ukufakwa bekusebenza ekuqaleni futhi kwalinganiswa, ukuxazulula inkinga kungaqala ngokuhlola izingxenye ngazinye ukuze kutholwe ukuthi zonakalisiwe noma zehlulekile.

Izingxenye eziyisisekelo yilezi:

Layisha amaseli
Izisekelo zemishini nokuxhumeka kokulayisha
Izintambo ezixhumayo
Amabhokisi okuhlangana
I-Signal conditioning electronics

Ukufakwa komshini

Layisha Amaseli angafakwanga ngaphansi kwezincomo zomkhiqizi angase angasebenzi ekucacisweni komkhiqizi.

Kuhlale kubalulekile ukuhlola:

Ukukhweza izindawo zokuhlanzeka, ukucaba, nokuqondanisa
I-torque yazo zonke ihadiwe ezifakwayo
Layisha umumo weseli: Isiphetho "Esifile" kusithenjwa esisetshenziswayo noma umthombo ophoqelelayo wokulayisha, ukuphela "bukhoma" kuxhumeke kumthwalo ozokalwa. (Indawo efile iyisiphetho esiseduze kakhulu nentambo yokuphuma noma isixhumi.)
Izingxenyekazi zekhompyutha ezifanele (osayizi bentambo, amantongomane, ama-swivel, njll) njengoba kudingeka ukuze kuxhunywe umthwalo kuseli lomthwalo. Isidingo esibalulekile ukuthi kube munye, futhi kube nomzila owodwa womthwalo!

Le ndlela yokulayisha kufanele ibe nge-eksisi yokulayisha yeseli lomthwalo. Lokhu kungase kuzwakale kuyisisekelo, kodwa kuyinkinga evame ukunganakwa.

Ukufakwa kukagesi

Ukusebenza kahle kweseli lomthwalo kubuye kuncike “kusistimu” kagesi. Izinto ezilandelayo ziyizindawo ezivamile zezinkinga.

Ukuxhunywa kukagesi okuxekethile noma okungcolile, noma ukuxhuma okungalungile kwezintambo ezinombala.
Ukwehluleka ukusebenzisa inzwa yerimothi ye-excitation voltage ezintanjeni ezinde.

Ukuhlelwa okungalungile kwe-excitation voltage. (Isilungiselelo esihle kakhulu yi-10 VDC ngoba leyo voltagU-e usetshenziselwa ukulinganisa iseli yomthwalo efekthri.
Umkhawulo wevoltagI-e evunyelwe ingu-15 noma 20 volts, kuye ngemodeli. Amanye amasignali amasignali asebenza ngebhethri asebenzisa ivolumu encanetages, kuze kufike ku-1.25 volts, ukuze konge amandla ebhethri.)

Ilayisha umjikelezo webhuloho. (Amasistimu wamaseli okulayisha anembe kakhulu adinga amathuluzi okufunda anembe kakhulu. Amathuluzi anjalo ngokuvamile anokuphazamiseka kokufaka okuphezulu kakhulu ukuze kugwenywe amaphutha okulayisha okujikelezayo.)

Layisha Ukuhlola Amaseli

Kulula kakhulu ukwenza isheke lokuxilonga ngokushesha leseli lomthwalo. Inqubo ilula futhi kudingeka ubuncane bemishini.

Uma kwenzeka kunqunywa ukuthi iseli lomthwalo linephutha, iyunithi kufanele ibuyiselwe efekthri ukuze iphinde ihlolwe futhi ilungiswe njengoba kungase kudingeke. Ukuhlola okuningi kungenziwa nge-ohmmeter.

Hlola i-Bridge Circuitry kanye ne-Zero Balance

Izinombolo zisebenza kumabhuloho ajwayelekile angu-350-ohm.
Ithuluzi elidingekayo: I-Ohmmeter enokulungiswa okungu-0.1 ohms ebangeni lama-250-400 ohms.

Ukumelana Nokufakwa Kwebhuloho: I-RAD kufanele ibe ngu-350 ±3.5 ohms (ngaphandle uma iseli “linomphumela ojwayelekile,” lapho ukumelana kufanele kube ngaphansi kuka-390 ohms)
Ukumelana Nokukhipha Ibhuloho: I-RBC kufanele ibe ngu-350 ±3.5 ohms
Izindawo zokuhlala ezengeziwe e-Bridge Leg: Ukuqhathanisa ukumelana kwemilenze ngaphandle komthwalo kuvumela ukuhlolwa kwembangela yanoma yimuphi umonakalo unomphela ku-flexure cell cell. "Ukungalingani okubaliwe" kwebhuloho kubonisa isimo esijwayelekile seseli.

Ukungalingani okubaliwe, kumayunithi okuthi “mV/V,” kunqunywa kanje: Ukungalingani = 1.4 • (RAC – RAB + RBD –RCD)
I-Zero Offset, ngamayunithi “% Wokuphuma Okulinganiselwe”, inqunywa ngale ndlela elandelayo: I-Zero Offset = 100 • Ukungalingani ÷ Okukhipha Okulinganiselwe

Uma ukulungiswa kwe-ohmmeter kungu-0.1 ohm noma okungcono, khona-ke i-Zero Offset eyenziwe ngekhompyutha engaphezu kwamaphesenti angu-20 iyinkomba ecacile yokugcwala ngokweqile. Ibhalansi enguziro ebaliwe engu-10-20% iyinkomba yokugcwala okungenzeka. Uma iseli lomthwalo lilayishwe kakhulu, umonakalo owenziwe ngomshini wenzekile ongalungiseki, ngoba ukulayishwa ngokweqile kubangela ukuwohloka unomphela ngaphakathi kwesici esivumelana nezimo namageji, kucekele phansi ukucubungula okulinganiselayo ngokucophelela okuholela ekusebenzeni kokucaciswa kwe-Interface.
Nakuba kungenzeka ukuthi ngogesi uphinde uziro iseli elilayishayo ngemva kokugcwala kakhulu, akunconywa ngoba lokhu akwenzi lutho ukubuyisela imingcele yokusebenza ethintekile noma ukuwohloka kobuqotho besakhiwo.

Uma izinga lokulayisha ngokweqile lingelikhulu iseli kwezinye izimo lingase lisetshenziswe ngokubona komsebenzisi, nakuba amanye amapharamitha okusebenza angase ephule izicaciso futhi nempilo yomjikelezo weseli lomthwalo ingase yehliswe.

Ukuhlolwa kokumelana ne-Insulation

Ukumelana ne-insulation, isihlangu kumakhondakta: Xhuma zonke izikhondatha, futhi ulinganise ukumelana phakathi kwazo zonke lezo zintambo nesihlangu kukhebula.

Ukumelana ne-insulation, layisha ukuguquguquka kweseli kuma-conductor: Xhuma wonke amakhondatha, futhi ulinganise ukumelana phakathi kwazo zonke lezo zintambo nomzimba wensimbi weseli lomthwalo.
Ukuhlolwa okuchazwe ngenhla kungenziwa kusetshenziswa imitha ye-ohm evamile, nakuba imiphumela engcono kakhulu itholakala ngemitha ye-megohm.

Uma ukumelana kungaphezu kobubanzi be-ohmmeter obujwayelekile, cishe ama-megohm ayi-10, iseli cishe lilungile. Kodwa-ke, ezinye izinhlobo zezikhindi zikagesi zivela kuphela uma usebenzisa imitha ye-megohm noma nge-voltagiphezulu kunama-ohmeter amaningi anganikeza.
ISEXWAYISO: Ungalokothi usebenzise i-A VoltagI-e Higher Than 50 VDC Noma 35 VRMS AC Ukukala Ukuphikiswa Kwe-Insulation Noma Ukwehlukana Kwe-Insulation Phakathi KwamaGage Kanye Ne-Flexure Kungase Kube Umphumela. Ukumelana Okuphansi (Ngaphansi Kwama-Megohm angu-5000) Ngokuvamile Kubangelwa Umswakama Noma Izintambo Ezipinkiwe. Imbangela Nezinga Lokulimala Kufanele Kusungulwe Embonini Ukuze Kutholakale Uma Iseli Lomthwalo Lingase Lihlengwe.

Ukuhlolwa Kwemboni

Uma i-load cell inesici ngenxa yezizathu ezingekona ukugcwala ngokweqile, buyela efekthri ukuze uthole ukuhlolwa okuningiliziwe. Ukuhlola kwasefekthri kungase kubonise ukuthi iseli liyalungiseka noma alilungiseki nokuthi ukukhanda noma ukushintshwa kuzoba ngaphansi kwewaranti.
Uma kungesona iwaranti, ikhasimende lizothintwa ngezindleko zokulungisa nokulungisa kabusha, kanye nedethi yokulethwa ngemva kokuthola ukugunyazwa ukuqhubeka.
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Amadokhumenti / Izinsiza

I-Interface 7418 Load Cell Force Measurement System [pdf] Umhlahlandlela Womsebenzisi
7418 Load Cell Force Measurement System, 7418, Layisha Cell Force Measurement System, Force Measurement System, Measurement System

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I-Interface 7418 Load Cell Force Measurement System

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