Nzira yekusarudza multihead weigh zvinonzwisisika

Munyori: Smartweigh–Multihead Weighter

Iyo multihead weigher isimba-kune-magetsi kushandura mudziyo unogona kushandura simba kuita masaini emagetsi, uye ndiyo yakakosha chikamu cheiyo multihead weigher. Kune akawanda marudzi emasensa anogona kupedzisa iyo simba-yemagetsi shanduko, kazhinji inosanganisira resistance strain force type, magnetic field force type uye capacitive sensor. Kukosha kweiyo magnetic field force type ndiyo yemagetsi analytical balance, iyo capacitor sensor chikamu chemuyero wemultihead, uye inopikisa simba remhando yehuremu muchina unowanzo shandiswa mune zvakawanda zvehuremu zvigadzirwa zvemuchina.

The resistance strain multihead weigher iri nyore muchimiro, yakakwirira mukurongeka, uye ine huwandu hwakasiyana hwekushandisa, uye inogona kuiswa munzvimbo isina kusimba yakasikwa. Naizvozvo, iyo yekupokana strain multihead weigher inowanikwa mune multihead weigher. Iyo yekupikisa strain multihead weigher inonyanya kuumbwa ne polyurethane elastomer, resistance strain gauge uye muripo wemagetsi wedunhu.

Polyurethane elastomer ndiyo yakasimbiswa chikamu chemultihead weigher, yakagadzirwa nemhando yepamusoro kabhoni simbi uye yemhando yepamusoro aluminium alloy profiles. Iyo yekupokana yegeji inogadzirwa nesimbi zvinhu foil yakamisikidzwa mune grid data mhando, uye mana ekupikisa geji anonamirwa kune polyurethane elastomer nenzira yebhiriji chimiro. Panyaya yekushaya simba, 4 resistors yebhiriji redunhu ane kukosha kwakafanana, bhiriji redunhu riri munzvimbo yakaenzana, uye inobuda i zero.

Kana iyo polyurethane elastomer ikakanganiswa nechisimba, gauge yekupikisa inoremara zvakare. Munguva yese yekugadzirwa kwepolyurethane elastomer iri pasi pekumanikidzwa nekukotama, mageji maviri ekupikisa anotambanudzwa, waya yesimbi inotambanudzwa, uye kukosha kwekudzivirira kunowedzera, uye mamwe maviri anoiswa pasi pekumanikidza, uye kukosha kwekudzivirira kunoderera. Nenzira iyi, iyo yekutanga yakaenzana bhiriji reketi haina kuenzana, uye kune kushanda kwemagetsi musiyano pamativi ese ebhiriji redunhu. Kusiyana kwemagetsi ekushanda kune hukama nehukuru hwesimba pane polyurethane elastomer. Tarisa mutsauko wemagetsi ekushanda kuti uwane ukuru hwesimba re sensor, simba rekushanda Mushure mekunge chiratidzo che data chatariswa uye kuverengerwa nepaneru yezviridzwa, kuitira kuti ushandise zvirinani zvigadziriso zveakasiyana siyana multihead weigher zvimiro, iyo multihead weigher inoumbwa dzakasiyana siyana. mafomu ekuumbwa, uye zita re sensor rinowanzodaidzwa zvakare maererano nechimiro chayo dhizaini.

Semuyenzaniso, stacking chain sensor (yakakosha yemagetsi mota chiyero), cantilever beam type (yepasi chiyero, warehouse scale, electronic car balance), column type (electronic car balance, warehouse scale), mota rudzi (scale), s-type ( warehouse. zvikero) zvichingodaro. Chiyereso chine misoro yakawanda chinokwanisa kunyora masensa muzvimiro zvakawanda. Kana iyo sensor yakasarudzwa nemazvo, inobatsira kuvandudza iyo multihead weigher maitiro.

Kune akawanda maratidziro uye modhi yekupikisa strain multihead weighers, kubva pamazana akati wandei magiramu kusvika mazana akati wandei matani. Paunosarudza kuyerwa kweyero ye multihead weigher, inofanirwa kujekeswa zvichienderana nehukuru hweinowanzo shandiswa multihead weigher. Mutemo wechigunwe ndewekuti: yakazara sensor mutoro (yakawanda inobvumirwa mutoro wemunhu wega sensors x nhamba ye sensors) = 1/2 ~ 2/3 yehuremu hwepamusoro hwemuyero wemultihead.

Kurongeka kweiyo multihead weigher yakakamurwa kuita mana mazinga: a, b, c, uye d. Magiredhi akasiyana ane mativi akasiyana ezvikanganiso. Kirasi A masensa anotsanangurwa max.

Nhamba mushure megiredhi inomiririra kukosha kweiyo metrological verification, iyo yakakura data, zviri nani kunaka kwe sensor. Semuyenzaniso, C2 inoreva C giredhi, 2000 metrological verification values ​​​​C5 inoreva C giredhi, 5000 metrological verification values. Zviri pachena kuti C5 yakakwirira kudarika C2.

Magiredhi akajairwa emasensa iC3 neC5, uye aya magiredhi maviri emasensa anogona kushandiswa kugadzira maredhi emumusoro akawanda ane giredhi rechitatu rechokwadi. Iko kukanganisa kwe multihead weigher inonyanya kukonzerwa ne discrete system kukanganisa, lag kukanganisa, kudzokorora kukanganisa, kuzorora kwekushushikana, kumwe kukanganisa kwe zero point tembiricha uye kumwe kukanganisa kweyakatemerwa tembiricha yekubuda. Iwo ma sensors edhijitari akaonekwa mumakore achangopfuura anoisa iyo A / D yekushandura magetsi emagetsi dunhu uye CPU simba rekupa wedunhu mune sensor. Kubuda kwe sensor haisi iyo analog inoshanda voltage data chiratidzo, asi mambure uremu analog chiratidzo chinogadziriswa nemhinduro, iyo ine zvinotevera zvakanakira: 1. Instrument panel Iyo data masaini ega yega sensor sensor inogona kuunganidzwa zvakasiyana, kuverengerwa zvinoenderana iyo mutsara equation, uye sensor yega yega inogona kuve yakazvimiririra calibrated, uye mukana wekugadzirisa kukanganisa kwemakona mana panguva imwe yakakwirira kwazvo.

Musoro wemusoro mukuru mumaredhi akawanda uchishandisa madhijitari uye analog sensors ndeye mana-makona kukanganisa kugadzirisa, iyo inowanzoda yakawanda calibrations kutsanangura, nguva imwe neimwe kufambisa inorema mwero uremu, iyo inopedza nguva uye inoshanda-yakawanda. 2. Nemhaka yokuti chikwata chezviridzwa chinogona kuona zviratidzo zvemashoko emagetsi ose, matambudziko emagetsi ose anogona kuonekwa kubva pachigadziro chezviridzwa, izvo zviri nyore kugadzirisa. 3. Mucherechedzo wedhijitari unotumira chiratidzo cheanalog kuburikidza ne485 interface, uye kuendesa kure kure pasina kukanganiswa.

Bvisa matambudziko akaoma uye anotapurika ekufambisa kwemasaini epulse. 4. Zvikanganiso zvakasiyana-siyana zve sensor zvinogona kugadziriswa maererano ne microcontroller mukati me digital sensor, kuitira kuti iyo inobuda sensor data data ive yakarurama. Iyo multihead weigher inonzi inonzi central nerve weigher ye multihead weigher, uye maitiro ayo anonyanya kuona kurongeka uye kuvimbika kweiyo multihead weigher.

Paunenge uchigadzira multihead weigher, mubvunzo wekuti ungashandisa sei ma sensors unowanzosangana. A multihead weigher ichokwadi chishandiso chinoshandura chiratidzo chemhando yedata kuita chiratidzo chemagetsi chinobuda chinogona kuyerwa nemazvo. Chinhu chekutanga kufunga kana uchishandisa sensor ndiyo chaiyo hofisi nharaunda iyo sensor inowanikwa.

Izvi zvinonyanya kukosha pakushandiswa kwakakodzera kwema sensors, uye zvine chekuita nekuti iyo sensor inogona kushanda nemazvo uye imwe chengetedzo uye hupenyu hwebasa, uye kunyangwe kuvimbika uye chengetedzo chinhu chemichina yese inorema. Kukuvadza kunokonzerwa nenharaunda yechisikigo kune iyo sensor ine zvinotevera zvinhu: (1) Iyo yakanyanya tembiricha yakasikwa nharaunda inoita kuti sensor inyungudutse iyo yekuputira zvinhu, nzvimbo welding, uye shanduko yezvimiro mukupisa kwekushushikana kwe polyurethane elastomer. Masensori anoshanda munzvimbo yakakwira tembiricha yakasarudzika anowanzo sarudza ma sensor anodzivirira kupisa, uye anofanirwawo kuwedzera kupisa kwekupisa, kutonhora kwemvura, kutonhora kwemhepo uye zvimwe zvishandiso.

(2) Njodzi dzehutsi nehunyoro kune kukanganisa-pfupi-kukanganisa kwema sensor. Munzvimbo yechisikigo pano, sensor ine airtight yakanyanya inofanira kushandiswa. Masensa akasiyana ane nzira dzakasiyana dzekuisa chisimbiso, uye kuita chisimbiso kwakasiyana kwazvo.

Kuiswa chisimbiso kunosanganisira kuzadza kwechisimbiso uye mechanicha midziyo yekunamira rubber sheet, magetsi welding (arc welding muchina, etc. electron beam welding) yekuisa chisimbiso uye nitrogen yekuzadza chisimbiso yevacuum packaging. Kubva pamhedzisiro chaiyo yekuisa chisimbiso, iyo yemagetsi welding sealing ndiyo yakanyanya kunaka, uye kuzadza nekuisa chisimbiso dosage yakashata. Kune iyo sensor inoshanda munzvimbo yakachena uye yakaoma yakasikwa mukamuri, unogona kusarudza sensor ine chisimbiso chekunamatira. Kune iyo sensor inoshanda munzvimbo yakasikwa ine humidity yakakwira uye utsi, iwe unofanirwa kusarudza iyo pulse shock absorber heat sealing kana Pulse shock absorber welding sealing, vacuum packaging nitrogen yakazara sensor.

(3) Munzvimbo yechisikigo ine ngura yakakwira, senge humidity, kutonhora, asidhi uye alkali, izvo zvinokonzeresa kukuvadzwa kwe polyurethane elastomer, kutadza kupfupi-circuit uye dzimwe njodzi kune sensor, iyo yekunze layer inofanirwa kusarudzirwa yekupfapfaidza kwemagetsi kana Stainless steel plate cover, ine yakanaka corrosion resistance uye yakanaka yekuisa chisimbiso kuita. sensor. (4) Kukuvadza kweiyo magineti kune iyo sensor inoburitsa chaotic data chiratidzo. Mune ino kesi, iyo inodzivirira pfuma yemhinduro sensor inotariswa zvakanyanya kuti ione kana iine yakanakisa electromagnetic immunity.

(5) Kupisa, kupisa, uye kuputika hakungokonzeri njodzi dzepamberi kumasensa, asiwo zvinounza kutyisidzira kukuru kune zvimwe zvemichina uye kuchengetedza hupenyu. Naizvozvo, masensa anoshanda munzvimbo dzinopisa, dzinopisa, uye dzinoputika dzinonyatsojekesa hunhu hwemhando yekuputika-inoputika: ma sensors anoputika anofanira kushandiswa munzvimbo dzinopisa, dzinopisa, uye dzinoputika. Chivharo chekuvharisa cherudzi urwu rwe sensor haifanire kungofunga kusimba, asi zvakare funga zvizere simba rekumanikidza rekuputika-uchapupu mhando uye hunyoro-uchapupu, husina mvura uye kuputika-uchapupu mhando yetambo yekubuda.

Chechipiri, kusarudzwa kwehuwandu hwemasensa uye kuyerwa kwechiyero: kusarudzwa kwehuwandu hwesensa sensors kunoenderana nechinangwa chikuru cheiyo multihead weigher, nhanho yeanotsigira mapoinzi emuyero body (huwandu hwemapoinzi anotsigira hunofanirwa. ive yakavakirwa pane giravhiti yepakati poindi yeinopindirana chiyero chemuviri geometry uye bhenji reiyo chaiyo giravhiti yepakati poindi). Kazhinji, mamwe ma fulcrums echikero anoshandisa mamwe masensa, asi zvikero zvakasiyana-siyana zvakadai semagetsi hook zviyero zvinongosarudza sensor imwe chete, uye mamwe magetsi emagetsi ekugadzira fusion zviyero zvinofanira kunyatsoshandisa nhamba ye sensors zvichienderana nemamiriro chaiwo. Kusarudzwa kwekuyera kweyero ye sensor kunogona kuongororwa zvichienderana nehukuru hwechiyero, nhamba yezviyero, huremu hwechiyero pachayo, uye inogona kuve yakakura vhiri huremu uye mutoro.

Kazhinji kutaura, iyo yepedyo kuyerwa kweyero ye sensor ndeyekuremerwa kwesenso imwe neimwe, iyo yakakwirira yekuyera kurongeka. Nekudaro, mumashandisirwo chaiwo, kunze kwekudaidzwa kuti zvinhu, kune zvakare huremu hwechiyero pachayo, huremu hwetare, huremu hwevhiri uye kudedera kuvhunduka. Naizvozvo, kana uchishandisa chiyero chekuyera sensor, zvinhu zvakawanda zvinofanirwa kutariswa kuti ive nechokwadi chekuchengetedza uye hupenyu hurefu hwe sensor.

Iyo yekuverenga nzira yekuyera chiyero che sensor yakajekeswa mushure mekuedza kwakawanda mushure mekutarisa zvakasiyana zvinhu zvinoisa panjodzi chiyero chemuviri. Iyo formula inoverengerwa seizvi: C=K-0K-1K-2K-3(Wmax+W)/N. C- Iyo yakatemerwa huwandu hwemunhu sensor W- Huremu hwechiyero pachayo Wmax- Inonzi iyo yakanyanya kukosha yehuremu hwemambure echinhu N- Huwandu hwese hwefurumu hunosarudzwa nechiyero K-0- Inishuwarenzi yekutengesa. index, kazhinji 1.2~1.3 K-1- yepakati Shock index K-2-scale gravity centre point offset index K-3-air pressure index.

Semuenzaniso, kune 30t electronic floor scale, huremu hwepamusoro ndeye 30t, huremu hwechiyero pachayo 1.9t, 4 sensors inosarudzwa, uye maererano nemamiriro chaiwo panguva iyoyo, iyo yekutengesa inishuwarenzi index K-0 = 1.25. , indekisi yemhedzisiro K-1 = 1.18, uye pakati pesimba rinokwevera zvinhu pasi zvakasarudzwa. Point deviation index K-2-=1.03, air pressure index K-3=1.02 Solution: Zvinoenderana nekuverenga nzira ye sensor kuyerwa kwemhando: c=K-0K-1K-2K-3(Wmax+W)/N. c=1.25×1.18×1.03×1.02×(30+1.9)/4=12.36t. Naizvozvo, iyo yekuyera huwandu hwe sensor ndeye 15t (iyo yekurodha simba re sensor inowanzongoita 10T, 15T, 20t, 25t, 30t, 40t, 50t, nezvimwewo, kunze kwekunge iri yakasarudzika maitiro).

Zvinoenderana neruzivo rwebasa, basa remuchina uremu rinowanzo mukati mekuyera kwayo 30% ~ 70%, asi uremu muchina une simba rakakura mukuita kwese kwekushandisa, senge dynamic track balance, dynamic electronic car balance, stainless. steel plate scale, etc. Zvekare, iyo minda yekushandisa yeakasiyana ma sensors inofanirwa kutariswa. Chinokosha pakusarudzwa kwechimiro che sensor ndiyo rudzi rwehuremu uye kuiswa kwenzvimbo yemukati, kuve nechokwadi chekugadzirisa kwakakodzera, uremu hunovimbika, kune rumwe rutivi, mazano emugadziri anofanira kufungwa. Vagadziri vanowanzoda iyo sensor's application ndima zvinoenderana nekutsungirira kwe sensor, ma paramita ekuita, nzira yekuisa, chimiro chechimiro, polyurethane elastomer zvinhu uye humwe hunhu Beam sensors inokodzera kuunganidza simbi uye kuburitsa ketani masensa sezvikero zvemagetsi, zviyero zvebhandi remagetsi, uye kuongorora. zvikero.

Pakupedzisira, iyo nhanho yekurongeka kweiyo sensor inofanira kusarudzwa. Iyo yekurongeka kweiyo sensor inosanganisira iyo sensor's nonlinearity, kusagadzikana kuzorora, kusagadzikana kuzorora kugadzirisa, lag, kudzokorora, kunzwa uye zvimwe zviratidzo zvekuita. Paunenge uchishandisa sensor, kwete chete mirairo yechokwadi yekududzwa kwemagetsi, asiwo mutengo wayo unofanirwa kutariswa.

Kusarudzwa kwemazinga ekunzwa kunofanirwa kufunga nezvezvinotevera zviviri zvinotemerwa 1. Funga nezvezvipimo zvepini yepini yemidziyo. Chiratidzo chekuyera chinoratidza ruzivo rwekuyera mhedzisiro mushure mekubuda kwedhata chiratidzo cheiyo multihead weigher yave yakakura uye iyo A / D shanduko yakagadziriswa. Naizvozvo, iyo inobuda data siginecha yeiyo multihead weigher inofanira kunge yakakura kupfuura iyo yekuisa mamiriro saizi inotsanangurwa nechanza. Iyo inobuda senitivity ye multihead weigher inounzwa mune inofananidzira fomula pakati pe sensor nepini yezviridzwa, uye mhedzisiro yekuverenga inofanira kunge yakakura kupfuura yekunzwa yekupinza inotsanangurwa nechanza.

Iyo inofananidzira fomula yeiyo multihead weigher uye mudziyo wepaneru: iyo inobuda senitivity yehuremu mita * iyo magetsi ekupa simba rekukurudzira * saizi yechikero, dhigirii remyopia yehuremu mita * nhamba ye sensors * iyo yekuyera renji. ye sensor. Semuenzaniso, quantitative packaging machine ine huremu hwe25kg uye sikero ine myopia hombe ye1000 measuring ranges sarudza masensa 3 L-BE-25 ane chiyero chekuyera 25kg uye kunzwa kwe2.0±0.008mV/V, sarudza AD4325 chiridzwa pani yezvikero zvine dombo arch bhiriji remagetsi kushanda kumanikidza kwe12V. Inobvunza kana iyo sensor yakasarudzwa ichabatanidzwa nedhibhodhi.

Solution: Iyo yekuisa senitivity yeAD4325 chiridzwa chepaneru ndeye 0.6μV/d, saka zvinoenderana neformula yekuenzanisa pakati pemuyero wemultihead nepaneti yezviridzwa, iyo chaiyo yekuisa data siginecha yepaneri yezviridzwa ndeye 2.×12×25/1000×3×25=8μV/d>0.6μV/d. Nokudaro, iyo yakasarudzwa yakawanda inoyera inogona kufunga nezvekugadzirisa kwekunzwa kwekupinza kwechiridzwa chechiridzwa, chinogona kusanganiswa nekusarudzwa kwechikwata chezviridzwa. 2. Funga nezvemitemo pamusoro pekururama kwemazita emagetsi.

Kumiririrwa kwemagetsi kunonyanya kuumbwa nezvikamu zvitatu: chiyero, sensor uye chiridzwa pani. Paunosarudza kurongeka kweiyo multihead weigher, kurongeka kweiyo multihead weigher yakakwira zvishoma pane yakaverengerwa kukosha kweiyo basic theory. Dzidziso huru inowanzoganhurirwa nezvikonzero zvine chinangwa, zvakadai sezvikero. Simba rekumanikidzika rechiyero rakashata zvishoma, hunhu hwechiridzwa chiridzwa zvakanaka kwazvo, nzvimbo yehofisi yechikero yakanyanyisa uye zvimwe zvinhu.

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