Indlela yokuxazulula izinkinga zenzwa yokulinganisa isisindo esinezinhloko eziningi

Umbhali: Smartweigh– Isisindo Sezinhloko Eziningi

Ingxenye ebaluleke kakhulu yesikali samakhanda amaningi yi-sensor, evame ukubizwa ngokuthi iseli lomthwalo. Iseli lomthwalo liyingxenye ebalulekile yesikali samakhanda amaningi, futhi umsebenzi walo awungaphansi "kwenhliziyo yomuntu", liyingxenye ebalulekile yokwahlulela ukuthi isisindo somkhiqizo siyahlangabezana yini nezindinganiso. Uma inzwa yokulinganisa yehluleka, kuzoba nzima ngathi ukulinganisa ukuthi izoletha ukulahlekelwa okungakanani emgqeni wokukhiqiza. Ngakho-ke, abasebenzisi kumele bahlole njalo le ngxenye eyinhloko. ukunciphisa ukulahlekelwa. Namuhla, isisindo se-Zhongshan Smart sizokuthatha ukuze ubone ukuthi ungaxazulula kanjani ukwehluleka kwenzwa yesikali samakhanda amaningi. 1. Ukukhishwa kwephuzu le-zero Hlola umphumela wephuzu le-zero, okungukuthi, inani lokukhipha lenzwa uma kungekho umthwalo, bese uhlola umphumela wenzwa ngaphansi kwesimo sokuthi yonke imithwalo (kufaka phakathi imithwalo engaguquki njengezikali nezingxenye ezithumela amandla) kumele isuswe.

Iphuzu elingu-zero lenzwa kufanele libe yinani elitholwe ngokuhlola esimweni esidingekayo ngokuklama, ukufakwa kanye nokusetshenziswa kwenzwa ukuvimbela ithonya elingalungile elibangelwa isisindo senzwa uqobo. 2. Hlola ukumelana nokushisa Ngokuvamile, sidinga ukuhlola ukuvimba phakathi kwentambo eholayo yenzwa kanye nomzimba wenzwa (i-elastomer, igobolondo, njll.). Qaphela, nqamula inzwa ebhokisini lokuhlangana kanye nemitha.

Lungisa ibhokisi lokuhlola ukufakelwa (imitha), bese uxhuma uhlangothi olulodwa lomthofu wokuhlola kukhebula lenzwa (okukhiphayo, okufakwayo, ucingo oluvikelwe, njll.), kanye nolunye uhlangothi emzimbeni wesenzwa (i-elastomer, igobolondo, njll.). Njengemfuneko evamile, lokhu kuvinjelwa≥5000MΩ. 3. Ukuvinjelwa kwebhuloho lokuhlola Ukuvinjelwa kwebhuloho lokuhlola ukuhlola ubuqotho bebhuloho lenzwa. Lapho kuhlolwa, inzwa kufanele inqanyulwe ebhokisini le-junction kanye neminye imishini yokuhlola.

Ukuhlolwa kwe-input and output impedance kuhloswe ukukala inani le-impedance esigungwini sokufaka kanye ne-output terminal ye-sensor ngokulandelana nge-digital multimeter test leads, bese uqhathanisa inani lokuhlola nenani lesitifiketi somkhiqizo; ukuqinisekiswa kokulingana kwebhuloho kubhekisela ekusetshenzisweni kwe-digital multimeter. Thatha i-impedance phakathi kokuphela kokufaka kanye nokuphela kokukhipha, bese uyilinganisa ngokulandelana ukuze uthole amaqembu ama-4 amanani e-impedance. Ku-sensor ekhokhelwa ngokulinganayo ngokuphelele, umehluko omkhulu phakathi kwamaqembu amane amanani e-impedance akufanele ube mkhulu kune-1Ω (inani le-multimeter ngokunemba okuphansi). Akumelwe ube mkhulu kune-2Ω). 4. Hlola ukuphuma kwe-sensor Xhuma i-sensor kugesi olawulwayo ngokwehlukana, bese usebenzisa i-excitation voltage engu-10~15VDC. Xhuma ukuphela kokuphuma kwe-sensor ku-millivoltmeter (noma usethe i-multimeter ku-DC millivolt gear), layisha umthwalo ekugcineni kokulayisha kwe-sensor ngokuya ngesimo sokufakwa kanye nokusetshenziswa kwe-sensor, bese ubona ushintsho lokukhipha lwe-sensor.

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