IiParameters zobuGcisa beSeli yoMlayisho

  1. Sebenzisa indlela yesalathiso sento encinci ukwazisa iiparamitha zobugcisa zeiseli yomthwalo. Indlela eqhelekileyo kukusebenzisa isalathiso sento encinci. Inzuzo kukuba intsingiselo yomzimba icacile, kwaye isetyenziswe iminyaka emininzi, kwaye abantu abaninzi baqhelene nayo. Ngoku sidwelisa imiba yayo engundoqo ngolu hlobo lulandelayo: *Ixabiso eliphezulu lomda woluhlu olunikwe ngumenzi wesakhono olinganisiweyo.

*Isiphumo esilinganisiweyo (uvakalelo)

Umahluko phakathi komqondiso wokuphuma kwenzwa xa umthwalo olinganisiweyo usetyenziswa kwaye xa kungekho mthwalo. Ekubeni umqondiso wemveliso yeseli yomthwalo unxulumene nombane wokuvuselela osetyenziswayo, iyunithi yesiphumo esilinganisiweyo ibonakaliswe kwi-mV / V. Kwaye uyibize ngobuntununtunu.

*Ukunyamezela uvakalelo

Ipesenti yomahluko phakathi kwesiphumo esizinzileyo soluvo kunye nesiphumo esihambelanayo esilinganiselweyo kwisiphumo esilinganiselweyo. Umzekelo, isiphumo esilinganiselweyo somthamo weseli yomthwalo yi-2.002mV/V, kunye nesiphumo esilinganisiweyo esisemgangathweni yi-2mV/V, emva koko ukunyamezela kwayo kuku: ((2.002)-2.000)/2.000) *100%=0.1%

*Nkwi-linear

Ukuphambuka okuphezulu phakathi komgca othe ngqo ogqitywe lixabiso lemveliso yokungabikho komthwalo kunye nexabiso lemveliso kumthwalo olinganisiweyo kunye nejika elilinganisiweyo lomthwalo okhulayo yipesenti yexabiso lemveliso elilinganisiweyo.

*LagTukunyamezela

Layisha ngokuthe ngcembe ukusuka ekungangeni mthwalo ukuya kumthwalo obekiweyo kwaye wothule kancinci kancinci. Ipesenti yomahluko omkhulu phakathi kokulayisha kunye nokukhupha imveliso kwindawo efanayo yomthwalo kwixabiso lemveliso elilinganisiweyo.

*Ukuphinda-phindaEuloyiko

Ngaphantsi kweemeko ezifanayo zokusingqongileyo, layisha ngokuphindaphindiweyo inzwa kumthwalo olinganisiweyo kwaye uyikhuphe. Ipesenti yomahluko omkhulu wexabiso lemveliso kwindawo yomthwalo ofanayo ngexesha lenkqubo yokulayisha kwisiphumo esilinganisiweyo.

*Creep

Xa umthwalo uhlala (ngokuqhelekileyo uthathwa njengomthwalo olinganisiweyo) kunye nezinye iimeko zokuvavanya zihlala zingatshintshi, ipesenti yemveliso yeseli yomthwalo iyatshintsha ngokuhamba kwexesha kwisiphumo esilinganisiweyo.

* UnothiOisiphumo

Ngaphantsi kwe-excitation ye-voltage ekhuthazwayo, ixabiso lemveliso ye-sensor yipesenti yesiphumo esilinganisiweyo xa kungekho mthwalo osetyenziswayo.

*IigquduliRukungakhathali

Ixabiso lokumelana ne-DC phakathi kwesekethe yoluvo kunye ne-elastomer.

*InputRukungakhathali

Xa i-terminal yemveliso yesignali ivuliwe isiphaluka kwaye i-sensor ayilayishwanga, ixabiso le-impedance lilinganiswe ukusuka kwi-terminal ye-excitation input input terminal.

*Ukuphazamiseka kwemveliso

I-impedance ilinganiswe kwi-terminal ye-signal output xa i-terminal yokufakelwa kwamandla ifutshane-ijikelezwe kwaye inzwa ayilayishwanga.

*UbushushuCimbuyekezoRumsindo

Ngaphakathi kolu luhlu lweqondo lobushushu, isiphumo esikaliwe sesinzwa kunye nebhalansi ye-zero ibuyekezwe ngokuqinileyo ukuze ingagqithi kuluhlu oluchaziweyo.

*Impembelelo yeZeroTi-emperature

Utshintsho kwibhalansi ye-zero ebangelwa utshintsho kwiqondo lokushisa eliphakathi. Ngokuqhelekileyo, ibonakaliswa njengepesenti yenguqu ye-balance balance kwisiphumo esilinganisiweyo xa ubushushu buguquka nge-10K.

*Impembelelo yeRatedOisiphumoTi-emperature

Utshintsho lwesiphumo esilinganisiweyo esibangelwa kukutshintsha kobushushu be-ambient.

Ngokuqhelekileyo, ibonakaliswa njengepesenti yesiphumo esilinganisiweyo sotshintsho olulinganisiweyo lwesiphumo esibangelwa yinguqu nganye ye-10K kwiqondo lokushisa.

*IyasebenzaTi-emperatureRumsindo

Inzwa ayiyi kuvelisa utshintsho olusisigxina olunobungozi kuyo nayiphi na imilinganiselo yokusebenza kwayo ngaphakathi kolu luhlu lobushushu

2. Imigaqo esetyenziswa kwi-"International Recommendation No. OIML60". Ngokusekelwe kuhlelo luka-1992 lwe-"OIML No.

* LayishaCellOisiphumo

Umlinganiselo (ubunzima) obufunyenwe ngokuguqulwa kweseli yomthwalo unokulinganiswa.

*IsidangaValue yeLodCell

Ubungakanani benxalenye enye emva koluhlu lokulinganisa lweseli yomthwalo luhlulwe lube ngamacandelo alinganayo.

*UkuqinisekisaDumbonoValue yeLodCell (V)

Ngenjongo yokuchaneka kokuhlelwa, ixabiso lesikali seseli yomthwalo echazwe kwiiyunithi zobunzima lisetyenziswa kuvavanyo lweseli yomthwalo.

*IMubuninziVuqinisekisoDumbonoValule lweLodCell (Vmin)

Uluhlu lokulinganisa lweseli yomthwalo lunokwahlulwa ngexabiso elincinane lolwahlulo lokuqinisekisa.

*UbuncinaneSiqhingaLoad (Fsmin)

Elona xabiso lisezantsi lobunzima elinokusetyenziswa kwiseli yomthwalo ngaphandle kokugqithisa ubuninzi bempazamo evumelekileyo.

*UbuninziWukukhala

Elona xabiso liphezulu lobunzima obunokusetyenziswa kwiseli yomthwalo ngaphandle kokugqithisa ubuninzi bempazamo evumelekileyo.

* Ayinamda (L)

Ukutenxa phakathi kwegophe lolungelelwaniso lwenkqubo yeseli yomthwalo kunye nomgca othe ngqo wethiyori.

*LagEimpazamo (H)

Umahluko omkhulu phakathi kokufundwa kwemveliso yeseli yomthwalo xa umgangatho ofanayo womthwalo usetyenziswa; enye yazo yinkqubo yokufunda eqala kumthwalo omileyo osezantsi, kwaye enye kufundo lwembuyekezo oluqala kubunzima obuphezulu.

*Creep (Cp)

Xa umthwalo ungaguquguquki kwaye zonke iimeko zokusingqongileyo kunye nezinye izinto eziguquguqukayo nazo zibanjwa rhoqo, utshintsho kwimveliso epheleleyo yomthwalo weseli yomthwalo ngokuhamba kwexesha.

*UbuncinaneSiqhingaLodOisiphumoRukuphumelelaPlant (CrFsmin)

Ngaphambi kokuba umthwalo usetyenziswe 1. Xa uzisa iiparitha zobugcisa zeseli yomthwalo kunye ne-sub-item index sub-itemment method, indlela yendabuko kukusebenzisa i-sub-item index. Inzuzo kukuba intsingiselo yomzimba icacile, kwaye isetyenziswe iminyaka emininzi, kwaye abantu abaninzi baqhelene nayo. Ngoku sidwelisa imiba yayo engundoqo ngolu hlobo lulandelayo: *Ixabiso eliphezulu lomda woluhlu olunikwe ngumenzi wesakhono olinganisiweyo.

*IkalweOisiphumo (uvakalelo)

Umahluko phakathi komqondiso wokuphuma kwenzwa xa umthwalo olinganisiweyo usetyenziswa kwaye xa kungekho mthwalo. Ekubeni umqondiso wemveliso yeseli yomthwalo unxulumene nombane wokuvuselela osetyenziswayo, iyunithi yesiphumo esilinganisiweyo ibonakaliswe kwi-mV / V. Kwaye uyibize ngobuntununtunu.

*Ukunyamezela uvakalelo

Ipesenti yomahluko phakathi kwesiphumo esizinzileyo soluvo kunye nesiphumo esihambelanayo esilinganiselweyo kwisiphumo esilinganiselweyo. Umzekelo, isiphumo esilinganiselweyo somthamo weseli yomthwalo yi-2.002mV/V, kunye nesiphumo esilinganisiweyo esisemgangathweni yi-2mV/V, emva koko ukunyamezela kwayo kuku: ((2.002)-2.000)/2.000) *100%=0.1%

*Nkwi-linear

Ukuphambuka okuphezulu phakathi komgca othe ngqo ogqitywe lixabiso lemveliso yokungabikho komthwalo kunye nexabiso lemveliso kumthwalo olinganisiweyo kunye nejika elilinganisiweyo lomthwalo okhulayo yipesenti yexabiso lemveliso elilinganisiweyo.

*LagTukunyamezela

Layisha ngokuthe ngcembe ukusuka ekungangeni mthwalo ukuya kumthwalo obekiweyo kwaye wothule kancinci kancinci. Ipesenti yomahluko omkhulu phakathi kokulayisha kunye nokukhupha imveliso kwindawo efanayo yomthwalo kwixabiso lemveliso elilinganisiweyo.

*Ukuphinda-phindaEuloyiko

Ngaphantsi kweemeko ezifanayo zokusingqongileyo, layisha ngokuphindaphindiweyo inzwa kumthwalo olinganisiweyo kwaye uyikhuphe. Ipesenti yomahluko omkhulu wexabiso lemveliso kwindawo yomthwalo ofanayo ngexesha lenkqubo yokulayisha kwisiphumo esilinganisiweyo.

*Creep

Xa umthwalo uhlala (ngokuqhelekileyo uthathwa njengomthwalo olinganisiweyo) kunye nezinye iimeko zokuvavanya zihlala zingatshintshi, ipesenti yemveliso yeseli yomthwalo iyatshintsha ngokuhamba kwexesha kwisiphumo esilinganisiweyo.

* UnothiOisiphumo

Ngaphantsi kwe-excitation ye-voltage ekhuthazwayo, ixabiso lemveliso ye-sensor yipesenti yesiphumo esilinganisiweyo xa kungekho mthwalo osetyenziswayo.

*IigquduliRukungakhathali

Ixabiso lokumelana ne-DC phakathi kwesekethe yoluvo kunye ne-elastomer.

*InputRukungakhathali

Xa i-terminal yemveliso yesignali ivuliwe isiphaluka kwaye i-sensor ayilayishwanga, ixabiso le-impedance lilinganiswe ukusuka kwi-terminal ye-excitation input input terminal.

*Ukuphazamiseka kwemveliso

I-impedance ilinganiswe kwi-terminal ye-signal output xa i-terminal yokufakelwa kwamandla ifutshane-ijikelezwe kwaye inzwa ayilayishwanga.

*UbushushuCimbuyekezoRumsindo

Ngaphakathi kolu luhlu lweqondo lobushushu, isiphumo esikaliwe sesinzwa kunye nebhalansi ye-zero ibuyekezwe ngokuqinileyo ukuze ingagqithi kuluhlu oluchaziweyo.

*Impembelelo yeZeroTi-emperature

Utshintsho kwibhalansi ye-zero ebangelwa utshintsho kwiqondo lokushisa eliphakathi. Ngokuqhelekileyo, ibonakaliswa njengepesenti yenguqu ye-balance balance kwisiphumo esilinganisiweyo xa ubushushu buguquka nge-10K.

*Impembelelo yeRatedOisiphumoTi-emperature

Utshintsho lwesiphumo esilinganisiweyo esibangelwa kukutshintsha kobushushu be-ambient.

Ngokuqhelekileyo, ibonakaliswa njengepesenti yesiphumo esilinganisiweyo sotshintsho olulinganisiweyo lwesiphumo esibangelwa yinguqu nganye ye-10K kwiqondo lokushisa.

*IyasebenzaTi-emperatureRumsindo

Inzwa ayiyi kuvelisa utshintsho olusisigxina olunobungozi kuyo nayiphi na imilinganiselo yokusebenza kwayo ngaphakathi kolu luhlu lobushushu

2. Imigaqo esetyenziswa kwi-"International Recommendation No. OIML60". Ngokusekelwe kuhlelo luka-1992 lwe-"OIML No.

* LayishaCellOisiphumo

Umlinganiselo (ubunzima) obufunyenwe ngokuguqulwa kweseli yomthwalo unokulinganiswa.

*IsidangaValue yeLodCell

Ubungakanani benxalenye enye emva koluhlu lokulinganisa lweseli yomthwalo luhlulwe lube ngamacandelo alinganayo.

*UkuqinisekisaDumbonoValue yeLodCell (V)

Ngenjongo yokuchaneka kokuhlelwa, ixabiso lesikali seseli yomthwalo echazwe kwiiyunithi zobunzima lisetyenziswa kuvavanyo lweseli yomthwalo.

*UbunzimaSEnsor*UbuncinaneVuqinisekisoDumbonoVAlue (Vmin)

Elona xabiso liphantsi lomlinganiselo wokuqinisekisa ukuba uluhlu lokulinganisa iseli lunokwenyuswa.

*UbuncinaneSiqhingaLoad (Fsmin)

Ubuncinci bexabiso lobunzima obunokusetyenziswa kwiseli yomthwalo ngaphandle kokugqithisa ubuninzi bempazamo evumelekileyo.

*UbuninziWukukhala

Elona xabiso liphezulu lobunzima obunokusetyenziswa kwiseli yomthwalo ngaphandle kokugqithisa ubuninzi bempazamo evumelekileyo.

* Ayinamda (L)

Ukutenxa phakathi kwegophe lolungelelwaniso lwenkqubo yeseli yomthwalo kunye nomgca othe ngqo wethiyori.

*LagEimpazamo (H)

Umahluko omkhulu phakathi kokufundwa kwemveliso yeseli yomthwalo xa inqanaba elifanayo lomthwalo lisebenzad. OI-ne yazo yinkqubo yokufunda eqala kumthwalo omileyo osezantsi, kwaye enye kufundo lwembuyekezo oluqala kowona mlinganiselo uphezulu.

*Creep (Cp)

Xa umthwalo ungaguquguquki kwaye zonke iimeko zokusingqongileyo kunye nezinye izinto eziguquguqukayo nazo zibanjwa rhoqo, utshintsho kwimveliso epheleleyo yomthwalo weseli yomthwalo ngokuhamba kwexesha.

*UbuncinaneSiqhingaLodOisiphumoRukuphumelelaPlant (CrFsmin)

Umahluko phakathi komthamo omncinci we-static umthwalo weseli yomthwalo olinganiswe ngaphambi nangemva kokulayisha umthwalo.

*Ukuphinda-phindaEubugwenxa (R)

Ngaphantsi komthwalo ofanayo kunye neemeko ezifanayo zokusingqongileyo, umahluko phakathi kokufundwa kwemveliso yeseli yomthwalo efunyenwe kwiimvavanyo ezininzi ezilandelelanayo.

*IIimpembelelo yeTemperature kwiMubuninziSiqhingaLodOimveliso (Fsmin)

Utshintsho phakathi komthamo omncinci we-static load ngenxa yotshintsho lobushushu be-ambient.

*Impembelelo yeTi-emperature ivuliweOisiphumoSukuqonda (St)

Utshintsho kwimveliso yovakalelo ngenxa yotshintsho kwiqondo lobushushu eliphakathi.

*UkulinganisaRUmsindo we LodCell

Uluhlu lwexabiso olulinganisiweyo (umgangatho) apho isiphumo somlinganiselo singayi kudlula ubuninzi bempazamo evumelekileyo.

*EkhuselekileLxelisaLod

Ubuninzi bomthwalo onokuthi usetyenziswe kwiseli yomthwalo. Ngeli xesha, iseli yomthwalo ayiyi kuvelisa i-drift esisigxina ngaphaya kwexabiso elichaziweyo ngokweempawu zokusebenza.

*Impembelelo yeTubushushu kunyeHumidity onMubuninziSiqhingaLodOimveliso (FsminH)

Ukutshintshwa komthamo omncinci we-static umthwalo ngenxa yokutshintsha kweqondo lokushisa kunye nokufuma.

*Impembelelo yeTubushushu kunyeHumidity onOisiphumoSubuntununtunu

Utshintsho kwimveliso yobuntununtunu ngenxa yotshintsho kwiqondo lobushushu kunye nokufuma.

Ukongeza, kwi-"JJG699-90 Load Verification Regulations", iparameter yobugcisa ikwadweliswe, oko kukuthi.

*UbuncinaneLoad (Fmin)

Ixabiso lobunzima elikufutshane kumthwalo omncinci ongatshintshiyo weseli yomthwalo onokufikelelwa sisixhobo sokuvelisa amandla.

Kungenxa yokuba umlinganiselo we-sensor uhlala uqhutyelwa kwi-dynamometer, kwaye kunzima ukulinganisa ngokuthe ngqo ukusebenza kwendawo encinci yomthwalo we-static. Enye inqaku, "Isindululo samazwe ngamazwe se-OIML60" senzelwe ngokukodwa iiseli zomthwalo, kwaye indawo yokuqala yokuvavanya iiseli zomthwalo kukuziqhelanisa neemfuno zezixhobo zokulinganisa.

, emva kokulinganisa umahluko phakathi kwemveliso encinci yomthwalo we-static yeseli yomthwalo.

*Ukuphinda-phindaEubugwenxa (R)

Ngaphantsi komthwalo ofanayo kunye neemeko ezifanayo zokusingqongileyo, umahluko phakathi kokufundwa kwemveliso yeseli yomthwalo efunyenwe kwiimvavanyo ezininzi ezilandelelanayo.

*IIimpembelelo yeTemperature kwiMubuninziSiqhingaLodOimveliso (Fsmin)

Utshintsho phakathi komthamo omncinci we-static load ngenxa yotshintsho lobushushu be-ambient.

*Impembelelo yeTi-emperature ivuliweOisiphumoSukuqonda (St)

Utshintsho kwimveliso yovakalelo ngenxa yotshintsho kwiqondo lobushushu eliphakathi.

*UkulinganisaRUmsindo weLodCell

Uluhlu lwexabiso olulinganisiweyo (umgangatho) apho isiphumo somlinganiselo singayi kudlula ubuninzi bempazamo evumelekileyo.

*EkhuselekileLxelisaLod

Ubuninzi bomthwalo onokuthi usetyenziswe kwiseli yomthwalo. Ngeli xesha, iseli yomthwalo ayiyi kuvelisa i-drift esisigxina ngaphaya kwexabiso elichaziweyo ngokweempawu zokusebenza.

*Impembelelo yeTubushushu kunyeHumidity onMubuninziSiqhingaLodOimveliso (FsminH)

Ukutshintshwa komthamo omncinci we-static umthwalo ngenxa yokutshintsha kweqondo lokushisa kunye nokufuma.

*Impembelelo yeTubushushu kunyeHumidity onOisiphumoSubuntununtunu

Utshintsho kwimveliso yobuntununtunu ngenxa yotshintsho kwiqondo lobushushu kunye nokufuma.

Ukongeza, kwi-"JJG699-90 Load Verification Regulations", iparameter yobugcisa ikwadweliswe..

*UbuncinaneLoad (Fmin)

Ixabiso lobunzima elikufutshane kumthwalo omncinci ongatshintshiyo weseli yomthwalo onokufikelelwa sisixhobo sokuvelisa amandla.

Kungenxa yokuba umlinganiselo we-sensor uhlala uqhutyelwa kwi-dynamometer, kwaye kunzima ukulinganisa ngokuthe ngqo ukusebenza kwendawo encinci yomthwalo we-static. Enye inqaku, "Isindululo samazwe ngamazwe se-OIML60" senzelwe ngokukodwa iiseli zomthwalo, kwaye indawo yokuqala yokuvavanya iiseli zomthwalo kukuziqhelanisa neemfuno zezixhobo zokulinganisa.


Ixesha lokuposa: Mar-30-2023