- Sebenzisa indlela yesalathisi sento engaphantsi ukuze uqalise iiparameter zobugcisa zeiseli yokulayishaIndlela yendabuko kukusebenzisa isalathisi sento encinci. Inzuzo kukuba intsingiselo ebonakalayo icacile, kwaye isetyenzisiwe iminyaka emininzi, kwaye abantu abaninzi bayayiqonda. Ngoku sidwelisa izinto zayo eziphambili ngolu hlobo lulandelayo: *Ixabiso eliphantsi lomda woluhlu lokulinganisa olunikwe ngumvelisi womthamo olinganisiweyo.
*Isiphumo esilinganisiweyo (uvakalelo)
Umahluko phakathi kwesignali yokuphuma kwesensor xa umthwalo olinganisiweyo usetyenziswa naxa kungekho mthwalo. Ekubeni isignali yokuphuma kweseli yomthwalo inxulumene nevolthi yokuvuthela esetyenzisiweyo, iyunithi yesiphumo esilinganisiweyo ibonakaliswa kwi-mV/V. Kwaye yibize ngokuba bubuntununtunu.
*Ukunyamezela Uvakalelo
Ipesenti yomahluko phakathi kwemveliso ezinzileyo ye-sensor kunye nemveliso elinganiselweyo ehambelanayo nemveliso elinganiselweyo elinganiselweyo. Umzekelo, imveliso elinganiselweyo yeseli yomthwalo yi-2.002mV/V, kwaye imveliso elinganiselweyo ehambelanayo yi-2mV/V, emva koko ukunyamezelana kwayo novakalelo yi: ((2.002–2.000)/2.000) *100%=0.1%
*Nkwi-linear
Umahluko omkhulu phakathi komgca othe tye omiselwe lixabiso lemveliso yokungabikho komthwalo kunye nexabiso lemveliso kumthwalo olinganisiweyo kunye negophe elilinganisiweyo lomthwalo okhulayo yipesenti yexabiso lemveliso elilinganisiweyo.
*UkulindaTukunyamezela
Kancinci kancinci layisha ukusuka kumthwalo ongenamthwalo ukuya kumthwalo olinganisiweyo uze emva koko ukhulule kancinci kancinci. Ipesenti yomahluko omkhulu phakathi kokulayisha nokukhupha umthwalo kwindawo efanayo yomthwalo ukuya kwixabiso elilinganisiweyo lemveliso.
*Ukuphinda-phindaEurhashalala
Phantsi kweemeko ezifanayo zokusingqongileyo, phinda ulayishe i-sensor kumthwalo olinganisiweyo uze uyikhuphe. Ipesenti yomahluko omkhulu wexabiso lemveliso kwindawo efanayo yomthwalo ngexesha lenkqubo yokulayisha ukuya kwimveliso elinganisiweyo.
*Creep
Xa umthwalo ungaguquki (ngokuqhelekileyo uthathwa njengomthwalo olinganisiweyo) kwaye ezinye iimeko zovavanyo zihlala zingatshintshi, ipesenti yemveliso yeseli yomthwalo iyatshintsha ngokuhamba kwexesha iye kwimveliso elinganisiweyo.
* UnothiOimveliso
Phantsi kwe-voltage ecetyiswayo, ixabiso le-output le-sensor yipesenti ye-output elinganisiweyo xa kungekho mthwalo usetyenziswayo.
*Ukuvala ubushushuRukuzibamba
Ixabiso lokumelana ne-DC phakathi kwesekethe yesensa kunye ne-elastomer.
*Ii-nputRukuzibamba
Xa isiphelo sendlela yokukhupha isignali sivuliwe kwaye inzwa ayilayishwanga, ixabiso le-impedance lilinganiswa kwisiphelo sendlela yokungenisa umbane.
*Impedance yesiphumo
I-impedance ilinganiswa kwi-terminal ye-signal output xa i-terminal ye-input ye-excitation input i-short-circuits kwaye i-sensor ayilayishwanga.
*UbushushuCimbuyekezoRumsindo
Ngaphakathi kolu luhlu lobushushu, isiphumo esilinganisiweyo sesensor kunye nebhalansi engu-zero zihlawulwa ngokuqinileyo ukuze zingadluli kuluhlu oluchaziweyo.
*Impembelelo yeZi-eroTumbuso
Utshintsho kwibhalansi engu-zero olubangelwa lutshintsho kwiqondo lobushushu elingqongileyo. Ngokubanzi, lubonakaliswa njengepesenti yotshintsho lwebhalansi engu-zero kwisiphumo esilinganisiweyo xa ubushushu butshintsha nge-10K.
*Impembelelo yeRi-atedOimvelisoTumbuso
Utshintsho lwemveliso elinganisiweyo olubangelwa kukutshintsha kobushushu obungqongileyo.
Ngokubanzi, ichazwa njengepesenti yemveliso elinganisiweyo yotshintsho lwemveliso elinganisiweyo olubangelwa lutshintsho ngalunye lwe-10K kubushushu.
*UkusebenzaTumbusoRumsindo
Isensor ayizukuvelisa utshintsho oluhlala luyingozi kuyo nayiphi na iparameters yayo yokusebenza ngaphakathi kolu luhlu lobushushu
2. Amagama asetyenziswe kwi "International Recommendation No. OIML60". Ngokusekelwe kuhlelo luka-1992 lwe "OIML No. 60 International Proposal", bhekisa kwiiparameter ezintsha zobugcisa ze "JJG669--90 Load Cell Verification Regulations":
* LayishaCellOimveliso
Ubunzima obulinganiswayo (ubunzima) obufunyenwe ngokuguqulwa kweseli yomthwalo bunokulinganiswa.
*Ukugqiba izifundoVindlela yeLi-oadCell
Ubungakanani benxalenye enye emva koluhlu lokulinganisa lweseli yomthwalo lwahlulwe lube ziinxalenye ezilinganayo.
*UqinisekisoDumbonoVindlela yeLi-oadCu-ell (V)
Ngenjongo yokulinganisa ngokuchanekileyo, ixabiso lesikali seli yomthwalo elichazwe kwiiyunithi zobunzima lisetyenziswa kuvavanyo lweseli yomthwalo.
*IMngaphantsiVukuqinisekiswaDumbonoVindlela yeLi-oadCell (Vmin)
Uluhlu lokulinganisa lweseli yomthwalo lunokwahlulwa ngexabiso elincinci lokwahlulahlula lokuqinisekisa.
*UbuncinaneSi-taticLi-oad (Fsmin)
Ixabiso elincinci lobunzima elinokusetyenziswa kwiseli yomthwalo ngaphandle kokudlula impazamo ephezulu evumelekileyo.
*UbuninziWisibhozo
Ixabiso eliphezulu lobunzima elinokusetyenziswa kwiseli yomthwalo ngaphandle kokudlula impazamo ephezulu evumelekileyo.
* Engekhoyo kumgca (L)
Ukuphambuka phakathi kwe-process calibration curve ye-load cell kunye ne-theory straight line.
*UkulindaError (H)
Umahluko omkhulu phakathi kokufundwa kwemveliso yeseli yomthwalo xa kusetyenziswa inqanaba elifanayo lomthwalo; enye yazo kukufunda kwenkqubo eqala kumthwalo omncinci ongashukumiyo, kwaye enye kukufunda okubuyayo okuqala kubunzima obukhulu.
*Ukuqhuma (Cp)
Xa umthwalo ungaguquki kwaye zonke iimeko zokusingqongileyo kunye nezinye izinto eziguquguqukayo nazo zigcinwe zingaguquki, utshintsho kwimveliso epheleleyo yomthwalo weseli yomthwalo ngokuhamba kwexesha.
*UbuncinaneSi-taticLi-oadOimvelisoRulondolozo lwendaloPi-lant (CrFsmin)
Ngaphambi kokuba umthwalo usetyenziswe 1. Xa ungenisa iiparameter zobugcisa zeseli yomthwalo ngendlela yokumelwa kwesalathisi se-sub-item, indlela yendabuko kukusebenzisa isalathisi se-sub-item. Inzuzo kukuba intsingiselo yomzimba icacile, kwaye isetyenzisiwe iminyaka emininzi, kwaye abantu abaninzi bayayiqhelana nayo. Ngoku sidwelisa izinto zayo eziphambili ngolu hlobo lulandelayo: *Ixabiso eliphezulu lomda woluhlu lobunzima olunikwe ngumvelisi womthamo olinganisiweyo.
*Inikwe umlinganiseloOimveliso (uvakalelo)
Umahluko phakathi kwesignali yokuphuma kwesensor xa umthwalo olinganisiweyo usetyenziswa naxa kungekho mthwalo. Ekubeni isignali yokuphuma kweseli yomthwalo inxulumene nevolthi yokuvuthela esetyenzisiweyo, iyunithi yesiphumo esilinganisiweyo ibonakaliswa kwi-mV/V. Kwaye yibize ngokuba bubuntununtunu.
*Ukunyamezela Uvakalelo
Ipesenti yomahluko phakathi kwemveliso ezinzileyo ye-sensor kunye nemveliso elinganiselweyo ehambelanayo nemveliso elinganiselweyo elinganiselweyo. Umzekelo, imveliso elinganiselweyo yeseli yomthwalo yi-2.002mV/V, kwaye imveliso elinganiselweyo ehambelanayo yi-2mV/V, emva koko ukunyamezelana kwayo novakalelo yi: ((2.002–2.000)/2.000) *100%=0.1%
*Nkwi-linear
Umahluko omkhulu phakathi komgca othe tye omiselwe lixabiso lemveliso yokungabikho komthwalo kunye nexabiso lemveliso kumthwalo olinganisiweyo kunye negophe elilinganisiweyo lomthwalo okhulayo yipesenti yexabiso lemveliso elilinganisiweyo.
*UkulindaTukunyamezela
Kancinci kancinci layisha ukusuka kumthwalo ongenamthwalo ukuya kumthwalo olinganisiweyo uze emva koko ukhulule kancinci kancinci. Ipesenti yomahluko omkhulu phakathi kokulayisha nokukhupha umthwalo kwindawo efanayo yomthwalo ukuya kwixabiso elilinganisiweyo lemveliso.
*Ukuphinda-phindaEurhashalala
Phantsi kweemeko ezifanayo zokusingqongileyo, phinda ulayishe i-sensor kumthwalo olinganisiweyo uze uyikhuphe. Ipesenti yomahluko omkhulu wexabiso lemveliso kwindawo efanayo yomthwalo ngexesha lenkqubo yokulayisha ukuya kwimveliso elinganisiweyo.
*Creep
Xa umthwalo ungaguquki (ngokuqhelekileyo uthathwa njengomthwalo olinganisiweyo) kwaye ezinye iimeko zovavanyo zihlala zingatshintshi, ipesenti yemveliso yeseli yomthwalo iyatshintsha ngokuhamba kwexesha iye kwimveliso elinganisiweyo.
* UnothiOimveliso
Phantsi kwe-voltage ecetyiswayo, ixabiso le-output le-sensor yipesenti ye-output elinganisiweyo xa kungekho mthwalo usetyenziswayo.
*Ukuvala ubushushuRukuzibamba
Ixabiso lokumelana ne-DC phakathi kwesekethe yesensa kunye ne-elastomer.
*Ii-nputRukuzibamba
Xa isiphelo sendlela yokukhupha isignali sivuliwe kwaye inzwa ayilayishwanga, ixabiso le-impedance lilinganiswa kwisiphelo sendlela yokungenisa umbane.
*Impedance yesiphumo
I-impedance ilinganiswa kwi-terminal ye-signal output xa i-terminal ye-input ye-excitation input i-short-circuits kwaye i-sensor ayilayishwanga.
*UbushushuCimbuyekezoRumsindo
Ngaphakathi kolu luhlu lobushushu, isiphumo esilinganisiweyo sesensor kunye nebhalansi engu-zero zihlawulwa ngokuqinileyo ukuze zingadluli kuluhlu oluchaziweyo.
*Impembelelo yeZi-eroTumbuso
Utshintsho kwibhalansi engu-zero olubangelwa lutshintsho kwiqondo lobushushu elingqongileyo. Ngokubanzi, lubonakaliswa njengepesenti yotshintsho lwebhalansi engu-zero kwisiphumo esilinganisiweyo xa ubushushu butshintsha nge-10K.
*Impembelelo yeRi-atedOimvelisoTumbuso
Utshintsho lwemveliso elinganisiweyo olubangelwa kukutshintsha kobushushu obungqongileyo.
Ngokubanzi, ichazwa njengepesenti yemveliso elinganisiweyo yotshintsho lwemveliso elinganisiweyo olubangelwa lutshintsho ngalunye lwe-10K kubushushu.
*UkusebenzaTumbusoRumsindo
Isensor ayizukuvelisa utshintsho oluhlala luyingozi kuyo nayiphi na iparameters yayo yokusebenza ngaphakathi kolu luhlu lobushushu
2. Amagama asetyenziswe kwi "International Recommendation No. OIML60". Ngokusekelwe kuhlelo luka-1992 lwe "OIML No. 60 International Proposal", bhekisa kwiiparameter ezintsha zobugcisa ze "JJG669--90 Load Cell Verification Regulations":
* LayishaCellOimveliso
Ubunzima obulinganiswayo (ubunzima) obufunyenwe ngokuguqulwa kweseli yomthwalo bunokulinganiswa.
*Ukugqiba izifundoVindlela yeLi-oadCell
Ubungakanani benxalenye enye emva koluhlu lokulinganisa lweseli yomthwalo lwahlulwe lube ziinxalenye ezilinganayo.
*UqinisekisoDumbonoVindlela yeLi-oadCu-ell (V)
Ngenjongo yokulinganisa ngokuchanekileyo, ixabiso lesikali seli yomthwalo elichazwe kwiiyunithi zobunzima lisetyenziswa kuvavanyo lweseli yomthwalo.
*UkulinganisaSumboneleli* UbuncinciVukuqinisekiswaDumbonoVi-alue (Vmin)
Ixabiso eliphantsi lesikali sokuqinisekisa elinokulinganiswa uluhlu lokulinganisa iiseli zomthwalo.
*UbuncinaneSi-taticLi-oad (Fsmin)
Ixabiso elincinci lobunzima elinokusetyenziswa kwiseli yomthwalo ngaphandle kokudlula impazamo ephezulu evumelekileyo.
*UbuninziWisibhozo
Ixabiso eliphezulu lobunzima elinokusetyenziswa kwiseli yomthwalo ngaphandle kokudlula impazamo ephezulu evumelekileyo.
* Engekhoyo kumgca (L)
Ukuphambuka phakathi kwe-process calibration curve ye-load cell kunye ne-theory straight line.
*UkulindaError (H)
Umahluko omkhulu phakathi kokufundwa kwemveliso yeseli yomthwalo xa kusetyenziswa inqanaba elifanayo lomthwalod. OEnye yazo kukufunda inkqubo eqala kumthwalo omncinci ongashukumiyo, kwaye enye kukufunda okubuyayo okuqala kubunzima obukhulu.
*Ukuqhuma (Cp)
Xa umthwalo ungaguquki kwaye zonke iimeko zokusingqongileyo kunye nezinye izinto eziguquguqukayo nazo zigcinwe zingaguquki, utshintsho kwimveliso epheleleyo yomthwalo weseli yomthwalo ngokuhamba kwexesha.
*UbuncinaneSi-taticLi-oadOimvelisoRulondolozo lwendaloPi-lant (CrFsmin)
Umahluko phakathi komthamo omncinci we-static load output we-load cell olinganiswe ngaphambi nasemva kokuba umthwalo usetyenzisiwe.
*Ukuphinda-phindaError (R)
Phantsi komthwalo ofanayo kunye neemeko ezifanayo zokusingqongileyo, umahluko phakathi kokufundwa kwemveliso yeseli yomthwalo efunyenwe kwiimvavanyo ezininzi ezilandelelanayo.
*IIimpembelelo yeTilizwe elikwiMngaphantsiSi-taticLi-oadOimveliso (Fsmin)
Utshintsho phakathi komthamo omncinci we-static ophumayo ngenxa yotshintsho lobushushu obungqongileyo.
*Impembelelo yeTi-emperature ivuliweOimvelisoSukuqina kwengqondo (St)
Utshintsho kubuchule bokukhupha ngenxa yotshintsho kubushushu obungqongileyo.
*UkulinganisaRumsindo we Li-oadCell
Uluhlu lwexabiso elilinganisiweyo (lomgangatho) apho isiphumo sokulinganisa singayi kudlula impazamo ephezulu evumelekileyo.
*IkhuselekileLxelisaLi-oad
Umthwalo ophezulu onokufakwa kwiseli yomthwalo. Ngeli xesha, iseli yomthwalo ayizukuvelisa ukushukuma okungapheliyo ngaphaya kwexabiso elichaziweyo ngokweempawu zokusebenza.
*Impembelelo yeTemperature kunyeHubumudity buvuliweMngaphantsiSi-taticLi-oadOimveliso (FsminH)
Utshintsho lomthamo omncinci ongashukumiyo ophumayo ngenxa yotshintsho lobushushu kunye nokufuma.
*Impembelelo yeTemperature kunyeHubumudity buvuliweOimvelisoSukuqina kwengqondo
Utshintsho kwindlela eziveliswa ngayo izinto ngenxa yotshintsho kubushushu nakumswakama.
Ukongeza, kwi-"JJG699-90 Load Cell Verification Regulations", kukho iparameter yobugcisa edwelisiweyo, oko kukuthi
*UbuncinaneLi-oad (Fmin)
Ixabiso lobunzima elikufutshane nomthwalo omncinci ongashukumiyo weseli yomthwalo onokufikelelwa sisixhobo esivelisa amandla.
Kungenxa yokuba umlinganiselo wesenzi uhlala usenziwa kwi-dynamometer, kwaye kunzima ukulinganisa ngokuthe ngqo ukusebenza kweyona ndawo incinci yomthwalo ongashukumiyo. Elinye inqaku, "i-OIML60 International Proposal" yenzelwe ngokukodwa iiseli zomthwalo, kwaye indawo yokuqala yokuvavanya iiseli zomthwalo kukuziqhelanisa neemfuno zezixhobo zokulinganisa.
, emva kokulinganisa umahluko phakathi komthamo omncinci we-static load output yeseli yomthwalo.
*Ukuphinda-phindaError (R)
Phantsi komthwalo ofanayo kunye neemeko ezifanayo zokusingqongileyo, umahluko phakathi kokufundwa kwemveliso yeseli yomthwalo efunyenwe kwiimvavanyo ezininzi ezilandelelanayo.
*IIimpembelelo yeTilizwe elikwiMngaphantsiSi-taticLi-oadOimveliso (Fsmin)
Utshintsho phakathi komthamo omncinci we-static ophumayo ngenxa yotshintsho lobushushu obungqongileyo.
*Impembelelo yeTi-emperature ivuliweOimvelisoSukuqina kwengqondo (St)
Utshintsho kubuchule bokukhupha ngenxa yotshintsho kubushushu obungqongileyo.
*UkulinganisaRumsindo weLi-oadCell
Uluhlu lwexabiso elilinganisiweyo (lomgangatho) apho isiphumo sokulinganisa singayi kudlula impazamo ephezulu evumelekileyo.
*IkhuselekileLxelisaLi-oad
Umthwalo ophezulu onokufakwa kwiseli yomthwalo. Ngeli xesha, iseli yomthwalo ayizukuvelisa ukushukuma okungapheliyo ngaphaya kwexabiso elichaziweyo ngokweempawu zokusebenza.
*Impembelelo yeTemperature kunyeHubumudity buvuliweMngaphantsiSi-taticLi-oadOimveliso (FsminH)
Utshintsho lomthamo omncinci ongashukumiyo ophumayo ngenxa yotshintsho lobushushu kunye nokufuma.
*Impembelelo yeTemperature kunyeHubumudity buvuliweOimvelisoSukuqina kwengqondo
Utshintsho kwindlela eziveliswa ngayo izinto ngenxa yotshintsho kubushushu nakumswakama.
Ukongeza, kwi "JJG699-90 Load Cell Verification Regulations", kukho iparameter yobugcisa edwelisiweyo..
*UbuncinaneLi-oad (Fmin)
Ixabiso lobunzima elikufutshane nomthwalo omncinci ongashukumiyo weseli yomthwalo onokufikelelwa sisixhobo esivelisa amandla.
Kungenxa yokuba umlinganiselo wesenzi uhlala usenziwa kwi-dynamometer, kwaye kunzima ukulinganisa ngokuthe ngqo ukusebenza kweyona ndawo incinci yomthwalo ongashukumiyo. Elinye inqaku, "i-OIML60 International Proposal" yenzelwe ngokukodwa iiseli zomthwalo, kwaye indawo yokuqala yokuvavanya iiseli zomthwalo kukuziqhelanisa neemfuno zezixhobo zokulinganisa.
Ixesha lokuthumela: Matshi-30-2023