Maitiro ekusarudza chiremerera chemisoro yakawanda zvine musoro

Munyori: Smartweigh– Huremu hwemisoro yakawanda

Chiyero chemagetsi chine misoro yakawanda chishandiso chekushandura simba kuita magetsi chinogona kushandura simba kuita masaini emagetsi, uye ndicho chinhu chikuru cheyero yemagetsi ine misoro yakawanda. Kune marudzi akawanda emasensa anogona kupedzisa shanduko yesimba-magetsi, kazhinji anosanganisira rudzi rwesimba rekudzivirira, rudzi rwesimba remagetsi uye sensor ye capacitive. Kukosha kwerudzi rwesimba remagetsi ndiko kuenzana kwemagetsi, sensor ye capacitor chikamu cheyero yemagetsi ine misoro yakawanda, uye muchina wesimba rekudzivirira unoshandiswa zvakanyanya muzvigadzirwa zvakawanda zvemuchina wekutakura.

Chiyero che resistance strain chine magadzirirwo akareruka, chakanyatsojeka, uye chinogona kushandiswa munzvimbo isina kunaka. Nokudaro, chiyero che resistance strain chine magadzirirwo akawanda chinowanikwa mu multihead weiger. Chiyero che resistance strain chine magadzirirwo akawanda e polyurethane elastomer, resistance strain gauge uye compensation power circuit.

Polyurethane elastomer ndiyo chikamu chakamanikidzwa che multihead weigher, chakagadzirwa nesimbi yekabhoni yepamusoro uye ma profiles ealuminium alloy emhando yepamusoro. Iyo resistance strain gauge yakagadzirwa nesimbi yakagadzirwa nefoil yakagadzirwa mu grid data type, uye ma resistance strain gauges mana anonamirwa ku polyurethane elastomer nenzira ye bridge structure. Kana pasina simba, ma resistors mana e bridge circuit ane kukosha kwakafanana, bridge circuit iri mu balanced state, uye output yacho ndeye zero.

Kana polyurethane elastomer ikakanganisika nechisimba, resistance strain gauge inokanganisikawo. Munguva yese iyo polyurethane elastomer ichimanikidzwa nekukotama, magauge maviri e resistance strain anotambanudzwa, waya yesimbi inotambanudzwa, uye kukosha kwe resistance kunowedzera, uye mamwe maviri anomanikidzwa, uye kukosha kwe resistance kunoderera. Nenzira iyi, dunhu rekutanga rakaenzana rinobuda pachiyero, uye pane musiyano we working voltage kumativi ese e bridge circuit. Musiyano we working voltage une chekuita nehukuru hwesimba riri pa polyurethane elastomer. Tarisa musiyano we working voltage kuti uwane hukuru hwe sensor force, working voltage Mushure mekunge data signal yaongororwa uye yaverengwa ne instrument panel, kuitira kuti ishandise zviri nani marongero e multihead weigher structures akasiyana-siyana, multihead weigher inoumbwa nemafomu akasiyana-siyana e structure, uye zita re sensor rinowanzo danwawo zvichienderana ne design yayo.

Semuenzaniso, sensor yekuisa zvinhu mubhokisi (kuenzana kwemotokari yemagetsi), mhando yebhara re cantilever (kuenzana kwepasi, chiyero chekuchengetera zvinhu, chiyero chemotokari yemagetsi), mhando yekoramu (chiyero chemotokari yemagetsi, chiyero chekuchengetera zvinhu), mhando yemotokari (chiyero), s-type (chiyero chekuchengetera zvinhu) nezvimwewo. Chiyero chemitsetse ine misoro yakawanda chinogona kunyora masensa mumhando dzakasiyana-siyana. Kana sensor ikasarudzwa nemazvo, inobatsira kuvandudza hunhu hwemutsetse wemitsetse ine misoro yakawanda.

Kune zvakawanda zvakanyorwa uye mamodheru ezviyero zvemusoro wekudzivirira simba, kubva pamazana emagiramu kusvika kumazana ematani. Pakusarudza huwandu hwekuyera hwemuyero wemusoro wepamusoro, hunofanirwa kujekeswa zvichienderana nehukuru hwemuyero wemusoro wepamusoro unoshandiswa kazhinji. Mutemo wegunwe ndewekuti: mutoro wese wesensor (mutoro wepamusoro unobvumirwa wemasensor ega ega x huwandu hwemasensor) = 1/2~2/3 yehuremu hwepamusoro hwemuyero wemusoro wepamusoro.

Kururama kwehuremu hwema "multihead weigher" kwakakamurwa kuita mazinga mana: a, b, c, uye d. Magiredhi akasiyana ane miganho yakasiyana yekukanganisa. MaSensor eKirasi A anotsanangurwa zvakanyanya.

Nhamba inotevera giredhi inomiririra kukosha kwekuongorora metrological, data rakakura, kunaka kwesensor kunowedzera. Semuenzaniso, C2 zvinoreva C grade, 2000 metrological verification values ​​​​C5 zvinoreva C grade, 5000 metrological verification values. Zviri pachena kuti C5 yakakwira kupfuura C2.

Magiredhi akajairika emasensa iC3 neC5, uye aya magiredhi maviri emasensa anogona kushandiswa kugadzira ma weighers emusoro-soro ane accuracy grade III. Kukanganisa kwe multihead weigher kunonyanya kukonzerwa ne discrete system error, lag error, repeatability error, stress relaxation, extra error ye zero point temperature uye extra error ye output temperature. Ma digital sensors akaonekwa mumakore achangopfuura akaisa A/D conversion power supply circuit neCPU power supply circuit mu sensor. Output ye sensor haisi analog working voltage data signal, asi net weight analog signal inogadziriswa ne solution, iyo ine mabhenefiti anotevera: 1. Instrument panel Zviratidzo zve digital sensor yega yega zvinogona kuunganidzwa zvakasiyana, zvakaverengerwa zvichienderana ne linear equation, uye sensor yega yega inogona kuenzaniswa yakazvimirira, uye mukana wekugadzirisa error yemakona mana panguva imwe chete wakakwira kwazvo.

Dambudziko guru muzviyero zve multihead zvinoshandisa ma digital sensors ne analog ndiko kugadzirisa kukanganisa kwemakona mana, uko kunowanzo da kugadziriswa kwakawanda kuti kutsanangurwe, nguva imwe neimwe ichifambisa huremu hwakakura, hunotora nguva uye hunoda basa. 2. Nekuti instrument panel inogona kuona zviratidzo zve data zvema sensors ese, matambudziko ema sensors ese anogona kuonekwa kubva pa instrument panel, iyo iri nyore kugadzirisa. 3. Digital sensor inotumira chiratidzo che analog kuburikidza ne 485 interface, uye transmission iri kure pasina kukanganiswa.

Bvisa matambudziko akaoma uye anokonzereswa nekutapurirana kwechiratidzo chepulse. 4. Zvikanganiso zvakasiyana-siyana zvesensor zvinogona kugadziriswa zvichienderana ne microcontroller iri mukati mesensor yedhijitari, kuitira kuti ruzivo rwedata resensor yekubuda ruve rwakarurama. Chiyero che multihead chinonzi central nervous system ye multihead weigher, uye hunhu hwacho hunonyanya kusarudza kururama uye kuvimbika kwe multihead weigher.

Pakugadzira muchina wekuyera misoro yakawanda, mubvunzo wekuti ungashandisa sei masensa unowanzo sangana nawo. Muchina wekuyera misoro yakawanda mudziyo unoshandura chiratidzo chedata chemhando yepamusoro kuita chinobuda mumagetsi chinogona kuyerwa nemazvo. Chinhu chekutanga chekufunga nezvacho pakushandisa sensor inzvimbo chaiyo yehofisi iyo sensor iri.

Izvi zvakakosha zvikuru pakushandiswa kwemasensa nemazvo, uye zvine chekuita nekuti sensa inogona kushanda nemazvo here uye kumwe kuchengetedzeka uye hupenyu hwebasa, uye kunyangwe kuvimbika uye kuchengetedzeka kwemashini ese anorema. Kukuvadzwa kunokonzerwa nenharaunda yechisikigo kune sensor kune zvinotevera: (1) Nzvimbo yechisikigo inodziya zvakanyanya inoita kuti sensa inyungudise zvinhu zvekufukidza, kusveta kwemavara, uye shanduko dzechimiro mukushushikana kwekupisa kwe polyurethane elastomer. Masensa anoshanda munzvimbo yechisikigo inodziya zvakanyanya anowanzo sarudza masensa anodzivirira kupisa, uye anofanirawo kuwedzera kudziya kwekupisa, kutonhora kwemvura, kutonhora kwemhepo nezvimwe zvishandiso.

(2) Njodzi dzeutsi nehunyoro kuzvikanganiso zvemasensa asingashandise magetsi nguva dzose. Munzvimbo yakasikwa pano, sensor inofema zvakanyanya inofanira kushandiswa. Masensa akasiyana ane nzira dzakasiyana dzekuvhara, uye mashandiro ekuvhara akasiyana zvikuru.

Kuvhara zvese kunosanganisira kuzadza sealant nemidziyo yemakanika yekuisa rabha, welding yemagetsi (muchina we welding we arc, nezvimwewo, welding ye electron beam) yekuisa sealing uye nitrogen filling sealing yekuisa vacuum packaging. Kubva pamhedzisiro chaiyo yekuisa sealing, electric welding sealing ndiyo yakanakisa, uye kuzadza uye sealing dosage kwakaderera. Kune sensor inoshanda munzvimbo yakachena uye yakaoma yemumba, unogona kusarudza sensor ine adhesive sealing. Kune sensor inoshanda munzvimbo yemuchadenga ine hunyoro hwakawanda uye utsi, unofanirwa kusarudza pulse shock absorber heat sealing kana Pulse shock absorber welding sealing, vacuum packaging nitrogen filled sensor.

(3) Munzvimbo ine ngura yakawanda, yakadai sehunyoro, kutonhora, acid uye alkali, izvo zvinokonzera kukuvara kwe polyurethane elastomer, kutadza kushanda kwenguva pfupi nedzimwe njodzi kune sensor, chikamu chekunze chinofanira kusarudzwa kuti chishandiswe ne electrostatic spraying kana stainless steel plate cover, iyo ine ngura yakanaka uye inoshanda zvakanaka pakusunga sensor. (4) Kukuvadzwa kwesimba remagineti kune sensor output chaotic data signal. Muchiitiko ichi, shielding property ye solution sensor inoongororwa zvakasimba kuti ione kana ine electromagnetic immunity yakanaka.

(5) Kupisa, kutsva, uye kuputika hazvingokonzere njodzi kumasensa chete, asiwo zvinounza njodzi huru kune mimwe michina yemakanika uye kuchengetedzeka kwehupenyu. Nokudaro, masensa anoshanda munzvimbo dzechisikigo dzinobvira moto, dzinobvira moto, uye dzinoputika anonyatsotsanangura hunhu hwemhando yekuputika: masensa asingaputike anofanira kushandiswa munzvimbo dzechisikigo dzinobvira moto, dzinobvira moto, uye dzinoputika. Chifukidziro chesensa yerudzi urwu hachifanirwe kungofunga nezvekusimba chete, asiwo kufunga zvizere nezvesimba rekumanikidzwa kwemhando yekuputika uye rudzi rwekubuda kwetambo runodzivirira hunyoro, runodzivirira mvura uye runodzivirira kuputika.

Chechipiri, kusarudzwa kwehuwandu hwese hwemasensa uye huwandu hwekuyera: kusarudzwa kwehuwandu hwese hwemasensa kunoenderana nechinangwa chikuru chemuchina wekuyera wemisoro yakawanda, huwandu hwenzvimbo dzinotsigira muviri wechikero (huwandu hwenzvimbo dzinotsigira hunofanirwa kunge hwakavakirwa padanho repakati pegiravhiti remuviri wechikero chinopindirana uye chiyero chedanho repakati pegiravhiti). Kazhinji, mamwe mafungu echiyero anoshandisa mamwe masensa, asi zviyero zvakasiyana senge zviyero zvemagetsi zvinosarudza sensor imwe chete, uye mamwe ma electromechanical engineering fusion scales anofanira kushandisa zvakajeka huwandu hwemasensa zvichienderana nemamiriro ezvinhu chaiwo. Kusarudzwa kwenzvimbo yekuyera yesensa kunogona kuongororwa zvichienderana nezvinhu zvakaita sehukuru hwechiyero, huwandu hwemasensa, huremu hwechiyero pachacho, uye huremu hwevhiri rakakura nemutoro.

Kazhinji, kana chiyero chekuyera chesensor chiri pedyo nemutoro wesensor yega yega, kururamisa kwekuyera kunowedzera. Zvisinei, mune mamwe mashandisirwo, pamusoro pekunzi zvinhu, kunewo huremu hwechikero pachacho, huremu hwetare, huremu hwevhiri uye kuvhunduka kwekudengenyeka. Saka, pakushandisa chiyero chekuyera chesensor, zvinhu zvakawanda zvinofanirwa kufungwa nezvazvo kuti ive nechokwadi chekuti sensor inoramba yakachengeteka uye kwenguva refu.

Nzira yekuverenga yekuyera nhanho yesensor yakajekeswa mushure mekuedza kwakawanda mushure mekufunga nezvezvinhu zvakasiyana-siyana zvinoisa panjodzi muviri wechikero. Fomura yacho inoverengerwa seinotevera: C=K-0K-1K-2K-3(Wmax+W)/N. C- Huwandu hwakatarwa hwesensor yega yega W- Huremu hwechiyero pachacho Wmax- Inonzi kukosha kwepamusoro-soro kwehuremu hwechinhu N- Huwandu hwese hwema fulcrums akasarudzwa nechikero K-0- Iyo commercial insurance index, kazhinji 1.2~1.3 K-1- yeintermediary Shock index K-2-scale gravity centre point offset index K-3-air pressure index.

Semuenzaniso, pachikero chemagetsi che30t, huremu hwepamusoro i30t, huremu hwechikero pachacho i1.9t, masensa mana anosarudzwa, uye zvichienderana nemamiriro ezvinhu chaiwo panguva iyoyo, indekisi yeinishuwarenzi yekutengeserana K-0=1.25, indekisi yeimpact K-1=1.18, uye pakati pegiravhiti zvinosarudzwa. Point deviation index K-2-=1.03, indekisi yemhepo K-3=1.02 Mhinduro: Zvichienderana nenzira yekuverenga yenzvimbo yekuyera sensor: c=K-0K-1K-2K-3(Wmax+W)/N. c=1.25×1.18×1.03×1.02×(30+1.9)/4=12.36t. Saka, chiyero chekuyera chesensor i15t (kukwanisa kwesensor kurodha kunowanzova 10T, 15T, 20t, 25t, 30t, 40t, 50t, nezvimwewo, kunze kwekunge iri nzira yakasarudzika yekugadzirisa).

Zvichienderana neruzivo rwebasa, basa remuchina wekurema rinowanzova mukati mehuwandu hwaro hwekuyera hwe30% ~ 70%, asi muchina wekurema une simba guru mukushandiswa kwese, senge dynamic track balance, dynamic electronic car balance, stainless steel plate scale, nezvimwewo. , Paunenge uchishandisa sensor, wedzera huwandu hwayo hwekuyera, kuitira kuti sensor ishande mukati me20% kusvika 30% yehuwandu hwayo hwekuyera. Zvakare, minda yekushandisa yemasensa akasiyana-siyana inofanira kufungwa nezvayo. Chinhu chikuru pakusarudza fomu ye sensor rudzi rwehuremu uye mamiriro enzvimbo yemukati, kuti ive nechokwadi chekuti nzvimbo yacho yakarongeka, huremu hwakavimbika, kune rumwe rutivi, zvinokurudzirwa nemugadziri zvinofanirwa kufungwa nezvazvo. Vagadziri vanowanzoda nzvimbo yekushandisa ye sensor zvichienderana nekutsungirira kwe sensor, ma parameter ekushanda, nzira yekuisa, chimiro chechimiro, polyurethane elastomer material nezvimwe zvinhu. Masensa e beam akakodzera masensa ekuunganidza nekubvisa simbi akadai semasensa emidziyo, maseke ebhandi emagetsi, uye maseke ekuongorora.

Pakupedzisira, mwero wekururama kwesensor unofanira kusarudzwa. Mwero wekururama kwesensor unosanganisira kusarongeka kwesensor, kuzorora kwekushushikana, kugadzirisa kuzorora kwekushushikana, kunonoka, kudzokorora, kunzwa uye zvimwe zviratidzo zvekushanda. Pakushandisa sensor, kwete chete mitemo yekururama kwechiratidzo chemagetsi, asiwo mutengo wayo unofanirwa kufungwa nezvawo.

Kusarudzwa kwemazinga e sensor kunofanirwa kufunga nezvezvinhu zviviri zvinotevera: 1. Funga nezvezviri mukati me input panel. Chiratidzo chekuyera chinoratidza mhedzisiro yekuyera ruzivo mushure mekunge chiratidzo che data chekubuda che multihead weigher chakura uye shanduko yeA/D yagadziriswa. Nokudaro, chiratidzo che data chekubuda che multihead weigher chinofanira kunge chakakura kupfuura saizi yemamiriro ekupinda yakatarwa ne instrument panel. Kunzwa kwekubuda kwe multihead weigher kunounzwa mufomura inoenderana pakati pe sensor ne instrument panel, uye mhedzisiro yekuverenga inofanira kunge yakakura kupfuura kunzwisisika kwekupinza kwakatsanangurwa ne instrument panel.

Fomura yekufananidza yemuchina wekuyera wemusoro-soro nepaneru yezvishandiso: kunzwisiswa kwesimba remuchina wekuyerwa * voltage yesimba rekukurudzira * saizi yechikero, dhigirii remyopia yemita yehuremu * huwandu hwemasensa * huwandu hwekuyera hwesensa. Semuenzaniso, muchina wekurongedza wehuwandu une huremu hwe25kg uye chikero chine myopia yakakura ye1000 yekuyera sarudza masensa matatu eL-BE-25 ane huwandu hwekuyera hwe25kg uye kunzwisiswa kwe2.0±0.008mV/V, sarudza paneru yezvishandiso yeAD4325 yezvikero zvine dombo arch bridge electrical working pressure ye12V. Inobvunza kana sensor yakasarudzwa ichizobatanidzwa nedashboard.

Mhinduro: Kunzwa kwekupinda kwepaneru yeAD4325 instrument panel i0.6μV/d, saka zvichienderana nefomura inoenderana pakati pechiyero chemultihead nepaneru yemidziyo, chiratidzo chedata rekupinda chepaneru yemidziyo i2×12×25/1000×3×25=8μV/d>0.6μV/d. Saka, chiyero chemultihead chakasarudzwa chinogona kufunga nezvekutonga kwekunzwa kwekupinda kwepaneru yemidziyo, izvo zvinogona kusanganiswa nekusarudza paneru yemidziyo. 2. Funga nezvemitemo yekururama kwemazita emagetsi.

Chiratidziro chemagetsi chinowanzo umbwa nezvikamu zvitatu: chikero, sensor uye panel yezvishandiso. Pakusarudza kururama kwechiremerera chemisoro yakawanda, kururama kwechiremerera chemisoro yakawanda kwakakwira zvishoma pane kukosha kwakaverengerwa kwedzidziso yekutanga. Dzidziso yekutanga inowanzo ganhwa nezvikonzero zvepfungwa, zvakaita sezvikero. Simba rekumanikidza rechikero harina kunaka, hunhu hwepanel yezvishandiso hwakanaka kwazvo, nharaunda yehofisi yechikero yakanyanya kunyanyisa nezvimwe zvinhu.

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