- Gwiritsani ntchito njira yowonetsera zinthu zazing'ono kuti mudziwitse magawo aukadaulo akatundu cell. Njira yachikhalidwe ndiyo kugwiritsa ntchito index ya sub-item. Ubwino wake ndi wakuti tanthauzo lakuthupi ndi lomveka bwino, ndipo lakhala likugwiritsidwa ntchito kwa zaka zambiri, ndipo anthu ambiri amalidziŵa bwino. Tsopano tikulemba zinthu zake zazikulu motere: *Mlingo wapamwamba kwambiri wa masikelo operekedwa ndi wopanga mphamvu.
*Kutulutsa koyezera (sensitivity)
Kusiyanitsa pakati pa chizindikiro chotulutsa cha sensa pamene katundu wovomerezeka akugwiritsidwa ntchito komanso pamene palibe katundu. Popeza kuti chiwongolero cha cell cholemetsa chimagwirizana ndi mphamvu yamagetsi yomwe imagwiritsidwa ntchito, gawo la zomwe zidavotera zimawonetsedwa mu mV/V. Ndipo kuzitcha sensitivity.
*Sensitivity Tolerance
Kuchuluka kwa kusiyana pakati pa kutulutsa kokhazikika kwa sensa ndi zomwe zimaperekedwa mwadzina ndi zomwe zimaperekedwa mwadzina. Mwachitsanzo, kutulutsa kwenikweni kwa cell yolemetsa ndi 2.002mV/V, ndipo kutulutsa kofananako ndi 2mV/V, ndiye kulolerana kwake ndi: ((2.002)-2.000)/2.000) *100%=0.1%
*Npa linear
Kupatuka kwakukulu pakati pa mzere wowongoka kumatsimikiziridwa ndi mtengo wamtengo wapatali wopanda katundu ndi mtengo wamtengo wapatali pamtengo wovomerezeka ndi piritsi yoyezera ya kuchuluka kwa katunduyo ndi chiwerengero cha mtengo wotulutsidwa.
*LagTkuleza mtima
Pang'onopang'ono tsitsani kuchoka ku katundu wina kupita ku katundu wovotera ndiyeno pang'onopang'ono mutsitse. Maperesenti a kusiyana kwakukulu pakati pa kukweza ndi kutulutsa zotuluka pa malo omwewo kutengera mtengo wotulutsa.
*KubwerezabwerezaEvuto
Pansi pazikhalidwe zomwezo zachilengedwe, bwerezani kutsitsa sensa ku katundu wovotera ndikutsitsa. Peresenti ya kusiyana kwakukulu kwa mtengo wotuluka pa malo omwewo panthawi yotsegula ku zotsatira zovotera.
*Creep
Pamene katunduyo ali wokhazikika (kawirikawiri amatengedwa ngati katundu wovomerezeka) ndi miyeso ina yoyesera imakhalabe yosasinthika, chiwerengero cha maselo onyamula katundu chimasintha pakapita nthawi kupita ku zotsatira zake.
*ZeroOkutulutsa
Pansi pa chiwongolero chamagetsi chomwe chikulimbikitsidwa, mtengo wotuluka wa sensa ndi kuchuluka kwa zomwe zidavotera popanda katundu.
* InsulationRkukana
Mtengo wotsutsa wa DC pakati pa sensor circuit ndi elastomer.
*InputRkukana
Pamene choyimira chotulutsa ma siginecha chili chotseguka ndipo sensa sichimakwezedwa, mtengo wa impedance umayesedwa kuchokera pagawo lamagetsi opangira magetsi.
*Kutulutsa Impedans
Kutsekereza kumayezedwa kuchokera pagawo lotulutsa ma siginecha pomwe cholumikizira champhamvu champhamvu chimakhala chofupikitsidwa ndipo sensa siyimakwezedwa.
*KutenthaCkubwezeraRange
Mkati mwa kutentha uku, zomwe sensor idavotera ndi zero balance zimalipidwa mwamphamvu kuti zisapitirire zomwe zatchulidwa.
*Chikoka chaZeroTufumu
Kusintha kwa zero chifukwa cha kusintha kwa kutentha komwe kumakhalako. Nthawi zambiri, zimawonetsedwa ngati chiwopsezo cha kusintha kwa ziro kupita ku zomwe zidavotera kutentha kumasintha ndi 10K.
*Chikoka chaRatedOkutulutsaTufumu
Kusintha kwa oveteredwa linanena bungwe chifukwa cha kusintha kwa kutentha yozungulira.
Nthawi zambiri, zimawonetsedwa ngati chiwopsezo cha zomwe zidavotera kusintha komwe kumachitika chifukwa cha kusintha kulikonse kwa 10K kutentha.
* KuchitaTufumuRange
Sensor sipanga kusintha koyipa kosatha muzochita zake zilizonse mkati mwa kutentha uku
2. Mawu omwe amagwiritsidwa ntchito mu "International Recommendation No. OIML60". Kutengera ndi kope la 1992 la "OIML No. 60 International Proposal", tchulani magawo atsopano aukadaulo a "JJG669--90 Load Cell Verification Regulations":
* KatunduCellOkutulutsa
Kuyeza (misa) yomwe imapezeka kudzera mu kutembenuka kwa selo yolemetsa ikhoza kuyesedwa.
*Kumaliza maphunziroValue waLoadCell
Kukula kwa gawo limodzi pambuyo pa kuyeza kwa selo yonyamula katundu kumagawidwa m'magawo ofanana.
*KutsimikiziraDivisionValue waLoadCndi (V)
Pofuna kuyika molondola, kuchuluka kwa cell load yomwe imawonetsedwa mumagulu akuluakulu amagwiritsidwa ntchito poyesa cell cell.
*TheMineVkutsimikiziraDivisionValue kuLoadCndi (Vmin)
Muyeso woyezera wa selo yonyamula katundu ukhoza kugawidwa ndi chiwerengero chocheperako chotsimikizira.
*ZochepaStaticLoad (Fsmin)
Mtengo wochepera wa unyinji womwe ungagwiritsidwe ntchito pa cell yonyamula popanda kupitilira cholakwika chovomerezeka.
*ZapamwambaWayi
Mtengo wochuluka wa unyinji womwe ungagwiritsidwe ntchito pa cell yonyamula popanda kupitilira cholakwika chovomerezeka.
* Zopanda malire (L)
The kupatuka pakati pa ndondomeko calibration pamapindikira a katundu selo ndi ongoyerekeza molunjika mzere.
*LagEvuto (H)
Kusiyanitsa kwakukulu pakati pa zowerengera zotuluka za selo yonyamula katundu pamene mlingo womwewo wa katundu umagwiritsidwa ntchito; chimodzi mwa izo ndi ndondomeko kuwerenga kuyambira osachepera malo amodzi katundu, ndipo wina ndi kubwerera kuwerenga kuyambira pazipita masekeli.
*Kuyenda (Cp)
Pamene katundu nthawi zonse ndi zinthu zonse zachilengedwe ndi zosintha zina amagwiridwanso mosalekeza, kusintha kwa katundu linanena bungwe la katundu selo pakapita nthawi.
*ZochepaStaticLoadOkutulutsaRecoveryPlant (CrFsmin)
Katunduyo asanagwiritsidwe ntchito 1. Poyambitsa magawo aukadaulo a cell yonyamula ndi njira yoyimira index ya sub-item, njira yachikhalidwe ndiyo kugwiritsa ntchito index ya sub-item. Ubwino wake ndi wakuti tanthauzo lakuthupi ndi lomveka bwino, ndipo lakhala likugwiritsidwa ntchito kwa zaka zambiri, ndipo anthu ambiri amalidziŵa bwino. Tsopano tikulemba zinthu zake zazikulu motere: *Mlingo wapamwamba kwambiri wa masikelo operekedwa ndi wopanga mphamvu.
*OvoteledwaOkutulutsa (sensitivity)
Kusiyanitsa pakati pa chizindikiro chotulutsa cha sensa pamene katundu wovomerezeka akugwiritsidwa ntchito komanso pamene palibe katundu. Popeza kuti chiwongolero cha cell cholemetsa chimagwirizana ndi mphamvu yamagetsi yomwe imagwiritsidwa ntchito, gawo la zomwe zidavotera zimawonetsedwa mu mV/V. Ndipo kuzitcha sensitivity.
*Sensitivity Tolerance
Kuchuluka kwa kusiyana pakati pa kutulutsa kokhazikika kwa sensa ndi zomwe zimaperekedwa mwadzina ndi zomwe zimaperekedwa mwadzina. Mwachitsanzo, kutulutsa kwenikweni kwa cell yolemetsa ndi 2.002mV/V, ndipo kutulutsa kofananako ndi 2mV/V, ndiye kulolerana kwake ndi: ((2.002)-2.000)/2.000) *100%=0.1%
*Npa linear
Kupatuka kwakukulu pakati pa mzere wowongoka kumatsimikiziridwa ndi mtengo wamtengo wapatali wopanda katundu ndi mtengo wamtengo wapatali pamtengo wovomerezeka ndi piritsi yoyezera ya kuchuluka kwa katunduyo ndi chiwerengero cha mtengo wotulutsidwa.
*LagTkuleza mtima
Pang'onopang'ono tsitsani kuchoka ku katundu wina kupita ku katundu wovotera ndiyeno pang'onopang'ono mutsitse. Maperesenti a kusiyana kwakukulu pakati pa kukweza ndi kutulutsa zotuluka pa malo omwewo kutengera mtengo wotulutsa.
*KubwerezabwerezaEvuto
Pansi pazikhalidwe zomwezo zachilengedwe, bwerezani kutsitsa sensa ku katundu wovotera ndikutsitsa. Peresenti ya kusiyana kwakukulu kwa mtengo wotuluka pa malo omwewo panthawi yotsegula ku zotsatira zovotera.
*Creep
Pamene katunduyo ali wokhazikika (kawirikawiri amatengedwa ngati katundu wovomerezeka) ndi miyeso ina yoyesera imakhalabe yosasinthika, chiwerengero cha maselo onyamula katundu chimasintha pakapita nthawi kupita ku zotsatira zake.
*ZeroOkutulutsa
Pansi pa chiwongolero chamagetsi chomwe chikulimbikitsidwa, mtengo wotuluka wa sensa ndi kuchuluka kwa zomwe zidavotera popanda katundu.
* InsulationRkukana
Mtengo wotsutsa wa DC pakati pa sensor circuit ndi elastomer.
*InputRkukana
Pamene choyimira chotulutsa ma siginecha chili chotseguka ndipo sensa sichimakwezedwa, mtengo wa impedance umayesedwa kuchokera pagawo lamagetsi opangira magetsi.
*Kutulutsa Impedans
Kutsekereza kumayezedwa kuchokera pagawo lotulutsa ma siginecha pomwe cholumikizira champhamvu champhamvu chimakhala chofupikitsidwa ndipo sensa siyimakwezedwa.
*KutenthaCkubwezeraRange
Mkati mwa kutentha uku, zomwe sensor idavotera ndi zero balance zimalipidwa mwamphamvu kuti zisapitirire zomwe zatchulidwa.
*Chikoka chaZeroTufumu
Kusintha kwa zero chifukwa cha kusintha kwa kutentha komwe kumakhalako. Nthawi zambiri, zimawonetsedwa ngati chiwopsezo cha kusintha kwa ziro kupita ku zomwe zidavotera kutentha kumasintha ndi 10K.
*Chikoka chaRatedOkutulutsaTufumu
Kusintha kwa oveteredwa linanena bungwe chifukwa cha kusintha kwa kutentha yozungulira.
Nthawi zambiri, zimawonetsedwa ngati chiwopsezo cha zomwe zidavotera kusintha komwe kumachitika chifukwa cha kusintha kulikonse kwa 10K kutentha.
* KuchitaTufumuRange
Sensor sipanga kusintha koyipa kosatha muzochita zake zilizonse mkati mwa kutentha uku
2. Mawu omwe amagwiritsidwa ntchito mu "International Recommendation No. OIML60". Kutengera ndi kope la 1992 la "OIML No. 60 International Proposal", tchulani magawo atsopano aukadaulo a "JJG669--90 Load Cell Verification Regulations":
* KatunduCellOkutulutsa
Kuyeza (misa) yomwe imapezeka kudzera mu kutembenuka kwa selo yolemetsa ikhoza kuyesedwa.
*Kumaliza maphunziroValue waLoadCell
Kukula kwa gawo limodzi pambuyo pa kuyeza kwa selo yonyamula katundu kumagawidwa m'magawo ofanana.
*KutsimikiziraDivisionValue waLoadCndi (V)
Pofuna kuyika molondola, kuchuluka kwa cell load yomwe imawonetsedwa mumagulu akuluakulu amagwiritsidwa ntchito poyesa cell cell.
*KulemeraSensor*ChochepaVkutsimikiziraDivisionValue (Vmin)
Chitsimikizo chocheperako chotsimikizira kuti mulingo woyezera ma cell a katundu ukhoza kuwonjezedwa.
*ZochepaStaticLoad (Fsmin)
Mtengo wocheperako wa unyinji womwe ungagwiritsidwe ntchito pa cell yonyamula popanda kupitilira cholakwika chovomerezeka.
*ZapamwambaWayi
Mtengo wokwanira wa misa womwe ungagwiritsidwe ntchito pa cell yonyamula popanda kupitilira cholakwika chovomerezeka.
* Zopanda malire (L)
The kupatuka pakati pa ndondomeko calibration pamapindikira a katundu selo ndi ongoyerekeza molunjika mzere.
*LagEvuto (H)
Kusiyanitsa kwakukulu pakati pa zowerengera zotulutsa za selo yonyamula katundu pamene mlingo womwewo wa katundu ukugwiritsidwa ntchitod. One wa iwo ndi ndondomeko kuwerenga kuyambira osachepera static katundu, ndipo ina ndi kubwerera kuwerenga kuyambira pa pazipita kulemera.
*Kuyenda (Cp)
Pamene katundu nthawi zonse ndi zinthu zonse zachilengedwe ndi zosintha zina amagwiridwanso mosalekeza, kusintha kwa katundu linanena bungwe la katundu selo pakapita nthawi.
*ZochepaStaticLoadOkutulutsaRecoveryPlant (CrFsmin)
Kusiyana pakati pa kutulutsa kwapang'onopang'ono kosasunthika kwa cell yonyamula kuyeza kusanachitike komanso pambuyo pake.
*KubwerezabwerezaEchiwopsezo (R)
Pansi pa katundu womwewo ndi momwe chilengedwe chikuyendera, kusiyana pakati pa zowerengera zamtundu wa katundu zomwe zimatengedwa kuchokera ku mayesero angapo otsatizana.
*TheImphamvu yaTEmperature paMineStaticLoadOkutulutsa (Fsmin)
Kusintha pakati pa kutulutsa kwapang'onopang'ono kosasunthika chifukwa cha kusintha kwa kutentha kozungulira.
*Chikoka chaTmlengalenga paOkutulutsaSchidwi (St)
Kusintha kwa kukhudzidwa kwa linanena bungwe chifukwa cha kusintha kwa kutentha yozungulira.
*KuyezaRange wa LoadCell
Mulingo wamtengo woyezedwa (ubwino) womwe zotsatira zake sizingadutse cholakwika chovomerezeka.
*OtetezekaLimitLoad
The pazipita katundu kuti angagwiritsidwe ntchito katundu selo. Panthawiyi, selo yonyamula katundu sidzatulutsa kugwedezeka kosatha kupitirira mtengo wotchulidwa malinga ndi mawonekedwe a ntchito.
*Chikoka chaTemperature ndiHumidity paMineStaticLoadOkutulutsa (FsminH)
Kusintha kwa katulutsidwe kakang'ono ka static katundu chifukwa cha kusintha kwa kutentha ndi chinyezi.
*Chikoka chaTemperature ndiHumidity paOkutulutsaSkukhudzika
Kusintha kwa kukhudzidwa kwa linanena bungwe chifukwa cha kusintha kwa kutentha ndi chinyezi.
Kuphatikiza apo, mu "JJG699-90 Load Cell Verification Regulations", gawo laukadaulo lalembedwanso, lomwe ndi
*ZochepaLwad (Fmin)
Unyinji wamtengo wapatali womwe uli pafupi kwambiri ndi kachulukidwe kakang'ono kwambiri ka cell load yomwe chipangizo chopangira mphamvu chingathe kukwaniritsa.
Ndi chifukwa chake muyeso wa sensa nthawi zonse umachitika pa dynamometer, ndipo ndizovuta kuyeza mwachindunji magwiridwe antchito a malo ocheperako. Mfundo inanso, "OIML60 International Proposal" idapangidwa mwapadera kuti ipangitse ma cell olemetsa, ndipo poyambira pakuwunika ma cell olemetsa ndikutengera zofunikira za zida zoyezera.
, mutatha kuyeza kusiyana pakati pa chiwerengero chochepa cha static load cha cell load.
*KubwerezabwerezaEchiwopsezo (R)
Pansi pa katundu womwewo ndi momwe chilengedwe chikuyendera, kusiyana pakati pa zowerengera zamtundu wa katundu zomwe zimatengedwa kuchokera ku mayesero angapo otsatizana.
*TheImphamvu yaTEmperature paMineStaticLoadOkutulutsa (Fsmin)
Kusintha pakati pa kutulutsa kwapang'onopang'ono kosasunthika chifukwa cha kusintha kwa kutentha kozungulira.
*Chikoka chaTmlengalenga paOkutulutsaSchidwi (St)
Kusintha kwa kukhudzidwa kwa linanena bungwe chifukwa cha kusintha kwa kutentha yozungulira.
*KuyezaRange waLoadCell
Mulingo wamtengo woyezedwa (ubwino) womwe zotsatira zake sizingadutse cholakwika chovomerezeka.
*OtetezekaLimitLoad
The pazipita katundu kuti angagwiritsidwe ntchito katundu selo. Panthawiyi, selo yonyamula katundu sidzatulutsa kugwedezeka kosatha kupitirira mtengo wotchulidwa malinga ndi mawonekedwe a ntchito.
*Chikoka chaTemperature ndiHumidity paMineStaticLoadOkutulutsa (FsminH)
Kusintha kwa katulutsidwe kakang'ono ka static katundu chifukwa cha kusintha kwa kutentha ndi chinyezi.
*Chikoka chaTemperature ndiHumidity paOkutulutsaSkukhudzika
Kusintha kwa kukhudzidwa kwa linanena bungwe chifukwa cha kusintha kwa kutentha ndi chinyezi.
Kuphatikiza apo, mu "JJG699-90 Load Verification Regulations", gawo laukadaulo lalembedwanso..
*ZochepaLwad (Fmin)
Unyinji wamtengo wapatali womwe uli pafupi kwambiri ndi kachulukidwe kakang'ono kwambiri ka cell load yomwe chipangizo chopangira mphamvu chingathe kukwaniritsa.
Ndi chifukwa chake muyeso wa sensa nthawi zonse umachitika pa dynamometer, ndipo ndizovuta kuyeza mwachindunji magwiridwe antchito a malo ocheperako. Mfundo inanso, "OIML60 International Proposal" idapangidwa mwapadera kuti ipangitse ma cell olemetsa, ndipo poyambira pakuwunika ma cell olemetsa ndikutengera zofunikira za zida zoyezera.
Nthawi yotumiza: Mar-30-2023