Kupititsa patsogolo ukadaulo wa metrological - kuchepetsa mafuta osiyanitsa [multihead weigher]

Wolemba: Smartweigh-Multihead Weighter

Kuphatikiza zaka zambiri za ntchito zothandiza pantchitoyi, mkonzi wachita kafukufuku wasayansi wozama komanso wozama pakukula kwamphamvu komanso kutsimikizika kwa metrological m'maiko osiyanasiyana padziko lapansi, ndikuyika patsogolo yankho la momwe mungasinthire kutsimikizika kwa metrological. zosakaniza zozungulira. Mkhalidwe woyezera ndi kutsimikizira kwa makina okoka makina ozungulira. 1.1 Njira yamtundu wa rotary imagwiritsidwa ntchito nthawi zambiri.

Pali njira zingapo zoyezera ndikutsimikizira zida za mbale pazokongoletsa zomangira, tirigu, mafuta, chakudya, migodi, ndi zina zambiri, kapena kuwongolera zokometsera pa intaneti. Zodziwika bwino kwambiri ndi izi: masikelo a lamba wamagetsi, ma flowmeters plate flowmeters, masikelo a nyukiliya, ndi masikelo azinthu zamapan. Mitundu iyi ya njira zoyezera zenizeni ili ndi mawonekedwe awoawo, koma zoperewera zake ndi zazikulu kwambiri.

Chidziwitso chaukadaulo waukadaulo wa lamba: chitani kuwerengera kofunikira kwa chizindikiro cha data yolemetsa ndi chizindikiro chowongolera liwiro (chiwerengero cha liwiro la lamba) pagawo lonse labizinesi (gawo lolemera) kuti mupeze kutuluka kwathunthu. mtengo, ndikugwiritsa ntchito ngati chandamale chowongolera. Zindikirani: Malinga ndi kuwongolera kwa liwiro la kukoka, sinthani kuchuluka kwazinthu zopangira kuti zitulutsidwe, kotero kuti zopangira zitapangidwa pa doko lodyeramo, makulidwe awo ndi okhazikika komanso yunifolomu, ndi katundu. wa conveyor lamba sichidzasintha mosasamala kanthu za liwiro la thalakitala. Kutsimikizika kwa metrological ndi mzere wa njirayi kuyenera kukhala kwabwino kuposa njira zina zodyetsera.

Zindikirani: Kudyetsa ndi kulemera kumachitidwa pa malamba awiri aliyense. 1.2 Mkhalidwe wamakina opitilira muyeso wamakina olimbikitsa mosalekeza. Kuphatikizirapo: Makina Osakanikirana a Simenti Okhazikika, Makina Osakaniza a Konkire Osalekeza, Asphalt Continuous Mixing Machinery, Makina Osakaniza Osalekeza, etc.

Masiku ano, zida zotere sizingafanane ndi njira za batch potengera kutsimikizika kwa metrological. Choncho, njira yosakanikirana yosalekeza sinakondweretse makasitomala ambiri, chomwe ndi chimodzi mwa zifukwa. Malinga ndi chiwonetsero cha sayansi, zitha kuwoneka kuti ukadaulo wosakanikirana ndi kukonza zomwe zafotokozedwa ndi njira ziwiri zotsimikizira zoyezerazi zili ndi malo omwe alipo, ndipo kugwiritsa ntchito kusakanikirana kosalekeza sikukhudzidwa ndi zoperewera kwakanthawi.

Masiku ano, makina osakanikirana a rotary m'dziko lathu onse amagwiritsa ntchito njira yopangira mphamvu kapena lamba wamagetsi / sikelo yozungulira. Njira ziwiri zoyezera ndi zotsimikizira zimagwiritsidwa ntchito. Chitukuko chaukadaulo wa makina osakanikirana ozungulira adayambitsidwa kuchokera ku Europe m'ma 1970s. Palibe kusintha kuyambira koyambira mpaka kumapeto. M'malo mwake, njira ziwirizi zitha kukwaniritsa zolondola kwambiri ku Europe. Mwachitsanzo, sikelo yotumizira lamba wa Schenck ku France ili ndi kulondola kwamphamvu kwa 2%. Koma si zabwino m'dziko langa, chifukwa zimadalira zopinga za zomangamanga monga makina processing makampani ndi zopangira m'dziko langa.

Masiku ano, kuyeza kulondola kwa miyeso ya lamba pakompyuta m'munda wamsewu wa dziko langa nthawi zambiri kumakhala pafupifupi 5%, yomwe siili kutali ndi kutsimikizika kwa kuyeza kwamphamvu, komanso kudalirika kwanthawi yayitali kumakhala kosauka. Gawo 2: Zatsopano Pakuyesa Kusalekeza - Ma Sikelo Osiyanasiyana (Zopanda Zolemera). Kuyambira zaka za m'ma 1990, choyezera chamitundu yambiri (Chingerezi Loss-in-weight) chakhala chikugwiritsidwa ntchito mosalekeza popanga mafakitale.

Miyeso ya lamba wamagetsi, masikelo ozungulira, masikelo odziunjikira, ndi zina zambiri, pang'onopang'ono zikusintha choyezera chamitundu yambiri. Monga njira yatsopano yotsimikizira muyeso, kuchulukirachulukira kwazinthu zopangira ndi kukonza kumasankhidwa. 2.1 Muyezo Woyambira: Tengani chidebe chotsimikizira muyeso ndi gulu lonse lodyetsa, pitilizani kuyesa chizindikiro chotsimikizira muyeso wa sikelo malinga ndi gulu la zida kapena pulogalamu yapamwamba yapakompyuta, ndikuwerengera kuchuluka kwa kuyeza kutsimikizira zotanuka pa nthawi ya unit monga pompopompo otaya okwana, ndiyeno malinga ndi zosiyanasiyana mapulogalamu ndi hardware kasinthidwe zosefera amathetsedwa mwaukadaulo kupeza“enieni okwana otaya”. Kuyeza kolondola kwa kayendedwe ka madzi ndikofunikira kwambiri, ndiye maziko a kuyeza kolondola kwa multihead weigher.

Chithunzichi chimaphatikizapo njira yachikale: Pomaliza, malinga ndi PID ndemanga kukhathamiritsa aligorivimu, ndi FC amachita ntchito yeniyeni ya ulamuliro pafupi ndi chandamale okwana otaya, ndi linanena bungwe kusintha deta chizindikiro kulamulira zoyambira zofewa ndi matabwa ulamuliro kudyetsa. . 2.2 Kugwiritsa ntchito sikelo yoyezera ma sikelo (multihead weigher) mu konkire: Zitha kuwoneka kuchokera ku mfundo yoyambira kuti sizidzavulazidwa ndi kusintha kwa zida zamakina pakati pa sikelo ndi gulu lodyetsa, zimangoyesa kusiyana kwa ukonde (kusiyana). kulemera), ndi Ubwino wa njira zachikhalidwe zoyezera mphamvu zimadziwika bwino. Pansi pa chikhalidwe chakuti cholinga chowongolera ndicho kuyenda konse (t/h, kg/mphindi), ngati mphamvu zoyendetsera zinthu zopangira ndi kutsimikizika kwa metrological ndizokwera kwambiri, njira yopanda kulemera ingagwiritsidwe ntchito ngati pulani yabwino kwambiri yotsimikizira ma metrological. .

2.2.2 Njira yopangira makina opangira ma multihead weigher: 2.2.3 Dongosolo la kapangidwe ka multihead weigher liyenera kuyang'ana zinthu zomwe zimayika pachiwopsezo kulondola kwa kuyeza: woyezera ma multihead amaganizira mawonekedwe a static data scale ndi dynamic scale. . Choncho, pakupanga dongosolo lolamulira, limatchulidwa : 1. Njira yoyenera yoyendetsera kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwekazi ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka kayendetsedwe ka machitidwebubundunkemwendunkejojojojojojojotshwe - -jimbombombombombombombokogirota payilotashonishonishonishonishonipapayibale wo kubudula wosinthiratu Mukamagwiritsa ntchito kulumikizana ndi kusinthana kwa liwiro, kupsinjika pafupipafupi ndi 35-40HZ. Kusintha kosiyanasiyana kumatsimikizika.

Komanso chifukwa liwiro la mayendedwe ndilotsika kwambiri, kudalirika kwa pulogalamu yamapulogalamu ndikofooka. Chachiwiri, kusankha kwa mtundu wa sensa ndi njira yowerengera ndi yoyenera. Izi zikutanthauza kuti, sensa imagwiritsanso ntchito 60% ~ 70% ya miyeso yake, ndipo kusintha kwa chizindikiro cha data ndi kwakukulu, komwe kumapindulitsa kwambiri kuwongolera kulondola.

3. Dongosolo la kamangidwe ka makina kuti awonetsetse kuti zopangira zili ndi madzi, ndikuwonetsetsa kuti nthawi yodyetsa ndi yaifupi komanso kudyetsa sikuchitika pafupipafupi. Nthawi zambiri, kudyetsa kamodzi mphindi 5-10. Zothandizira zothandizira ziyenera kukhala zosalala komanso zofananira. 2.2.4 Ntchito yayikulu: Ndi kakulidwe kofulumira kwaukadaulo wowongolera magalimoto, choyezera ma multihead weigher chimagwiritsa ntchito ukadaulo watsopano, ndipo kuyeza kwake kumasiyana kuchokera 0.3% mpaka 0.5%.

Chinsinsi chaukadaulo uwu ndikugwiritsa ntchito masensa olemera a data, omwe angapangitse kulemera kwa sensa yolemera 0.1% ~ 0.2% kapena kupitilira apo. 2.2.4.1 Kugwiritsa ntchito sensa yolemetsa ya data: Kuti muganizire kufunikira kwa kuyeza kosunthika komanso kolondola, ndikofunikira kwambiri kusankha sensor kumapeto kwa pulogalamu yoyezera. Makamaka pamalo omwe dongosolo liyenera kukhala lanzeru, nambala yanthawi yomweyo kapena yosalunjika ya sensa ikuwoneka kuti ndi yofunika kwambiri. Panthawiyi, kusatsimikizika kwa muyeso wolondola komanso muyeso wolondola nthawi zambiri zimakhala zosiyana, ndipo ziwirizi sizingagwirizane. zida, koma ziyenera kuyesedwa pazochitika ndi zochitika.

Pakadali pano, masensa ambiri amtundu wa digito ndi analogi amagwiritsidwa ntchito pamakampani oyezera miyeso aku China, ndipo chiwongolero chotsatira sichili chachikulu. Mwachitsanzo, mfundo yofunikira ya mphamvu ya resistor strain imagwiritsidwa ntchito kupanga sensor yolemetsa yokhala ndi zotulutsa zazikulu, ndipo zotulutsa zake nthawi zambiri zimakhala 30-40 mV. Chifukwa chake, chizindikiro chake cha data chimakhudzidwa kwambiri ndi chikoka cha ma frequency a wailesi, ndipo mtunda wotumizira chingwe umakhalanso waufupi kwambiri, nthawi zambiri mkati mwa 10 metres.

Sankhani pulogalamu yoyezera zida zamitundu yambiri (sikelo yoyezera silo), pulogalamu yoyezera nsanja yantchito kapena sikelo yoyezera mlatho (sikelo yamagalimoto amagetsi kapena sikelo ya njanji), pulogalamu yama data ikhoza kumaliza“wodzinenera kuchuluka”. Chifukwa cha ma multichannel digital sensor system software, palibe vuto lofananira ndi resistor. Wogwiritsa ntchito amatha kulowa mwatsatanetsatane adilesi ya sensa yomwe ikukhudzidwa, kulemera kwa ukonde ndi kukhudzika kwa sikelo, ndipo sikelo imatha kuchitidwa yokha.“ngodya zinayi”kapena“m'mphepete”Kuchuluka kwa zilembo zachingerezi sikuyenera kusinthidwa mobwerezabwereza.

Masensa angapo akalumikizidwa ndi pulogalamu yoyeserera, mawonekedwe a sensa iliyonse sangathe kudziwika bwino, ndipo sensor iliyonse iyenera kuyesedwa ndipo sensor iliyonse iyenera kuyesedwa pogwiritsa ntchito chogawa chamagetsi mu block block. Chipangizocho chasinthidwa. Popeza pali paired t test mu ndondomeko yonse ya kusintha, imabwerezedwa kangapo. Pamapulogalamu amtundu wa data, lolani kutsimikizira kodziyimira pawokha ngati sensor imodzi.

Chifukwa chake, nthawi yomwe idagwiritsidwa ntchito pakuwongolera pulogalamu yanzeru ya sensor system ndi 1/4 yokha ya kayesedwe kachitidwe. Pulogalamu yamapulogalamu imatha“wodzizindikira”, ndiko kuti, njira yodziwira matenda ikhoza kuyang'ana mosalekeza ngati chizindikiro cha deta cha sensa iliyonse chimathetsedwa, ngati zotulukazo zadutsa kwambiri, ndi zina zotero. Makasitomala amatha kugwiritsa ntchito makiyi ogwirira ntchito pagawo lowongolera kuti afufuze sensor iliyonse, kuzindikira chomwe chimayambitsa zolakwika ndikuchotsa zolakwika zomwe wamba.

Kutha kuzindikira ndi kuzindikira zolakwika zomwe wamba mwachiwonekere ndi mwayi waukulu kwa makasitomala, ndipo poyerekezera ndi pulogalamu ya analogi sensa system, zabwino zotere ndizoyenera kutsanzira. Pulogalamu yofananira ya sensor sensor system Mumakampani oyezera, mawonekedwe azithunzi akusintha kwa analogi-to-digital ndi ma bits 16, ndipo pali 50,000 yowerengera; ndipo mawonekedwe azithunzi a sensa iliyonse mu pulogalamu ya data ndi 16 bits. Ndi ma bits 20, pali 1,000,000 yowerengera yomwe ilipo. Chifukwa chake, pulogalamu yamapulogalamu yokhala ndi masensa 4 a digito imatha kupanga zisankho zowerengera za 4,000,000.

Ndikopindulitsa kwa ma pixel apamwamba, makamaka pamene kulemera kwa chimango choyezerako kumakhala kolemetsa ndipo kulemera kwake kumakhala kochepa. Mwachitsanzo, mu pulogalamu yoyezera ma batch, nthawi zina zida zina zimangokhala gawo laling'ono la Chinsinsi chachinsinsi, koma zofunikira zolondola zikadali zapamwamba kwambiri. Zinthu ngati izi ndizovuta kukwaniritsa muzoyerekeza zamachitidwe achikhalidwe.

2.3 Mkhalidwe wogwiritsa ntchito kunyumba ndi kunja (omwe amapezeka m'mafakitale amankhwala, mafakitale azitsulo, mapulasitiki, ulusi wamankhwala, ndi zina zotero) M'madera ambiri, pali ntchito yogwiritsira ntchito multihead weigher. Mwachitsanzo: zokometsera konkire. M’zaka zaposachedwapa, wakhala akugwiritsidwa ntchito kwambiri m’zinthu zambiri monga zopangira mphira, ulusi wamankhwala, ndi ulusi wa kuwala.

Ena mafakitale kupanga, ndi mosalekeza weightless boma muyeso kutsimikizira akhoza kuonetsetsa yunifolomu kusanganikirana blanking zipangizo, ndi kusanganikirana kuyenera kufooka, zomwe zimachepetsa luso processing. Izi ndizokwanira kwambiri kunja. Mwachitsanzo, French Schenck Enterprise, Buda Benla Enterprise, ndi French Pioneer Enterprise, etc., luso lawo lidzatsogolera dziko lonse lapansi. Pakati pawo, ankhondo amagwiritsa ntchito ukadaulo wa sensa ya digito, ndipo kulondola kwamphamvu kumafika 0,25%.

Kulondola kwa sikelo ya static data balance kwakwaniritsidwa munjira yonse yopanga mafakitale. Gwiritsani ntchito zosakaniza zozungulira komanso zoopsa zamtsogolo. Mu ntchito yotsimikizira muyeso wa makina osakanikirana osalekeza m'dziko langa, imakhalabe panjira yotsimikizira muyeso yachikhalidwe. Choncho, kugwiritsa ntchito ndi kukwezedwa kwa multihead weigher ndikofunikira kwambiri paukadaulo wokonza simenti wokhazikika kusanganikirana kwa dothi, konkriti mosalekeza kusanganikirana, ndi phula kusanganikirana kosalekeza. Ilinso ndi tanthauzo lalikulu lothandizira pakuwongolera kolondola kwakuyenda konse.

Chifukwa cha mawonekedwe osavuta a kachitidwe ka rotary ndi kutsika mtengo kokonza, chiŵerengero chosakanikirana cha mankhwala chikasinthidwa, gawo lotsika la msika la kukoka kwa rotary lidzasinthidwa. Makamaka pankhani ya uinjiniya wa misewu ndi magetsi a hydropower, pomwe malamulo apamwamba amayikidwa pamakina owonjezera kupanga, choyezera chamitundu yambiri ndi gawo lofunikira pakuwonjezera kutsimikizika kwa metrological.

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