Mongoli: Smartweigh–Multihead Weighter
Molao-motheo oa motheo le botsebi ba ts'ebeliso ea mochini o lekanyang li-multihead Weigher ke oa sensor ea tsitsipano le khatello ea maikutlo, e sebelisoang hangata tekanyong e nepahetseng ea data e tsitsitseng le tekanyo e nepahetseng ea matla. 1. Tlhaloso ea li-weigher tse ngata e nka ka ho feletseng ho potlakisa matla a khoheli (g) ea aterese ea kopo le buoyancy (f) ea metsi a khase, ho ea ka phetoho ea e 'ngoe ea litekanyetso tse nepahetseng (boleng) ho tse ling tse lekantsoeng ka nepo (sephetho) . ) ho lekanya ka nepo boleng ba sensor ea matla. 2. Khopolo ea motheo ea multihead weigher Polyurethane elastomer (vibration isolator, more sensitive beam) etsa hore deformation rekere tlas'a matla a ka ntle, e le hore ho hanyetsa mathata gauge (phetoho karolo) pested holim'a eona e boetse e baka deformation, le ho hanyetsa mathata gauge deforms Ka mor'a moo. hore, boleng ba eona ba ho hanyetsa bo tla fetoha (ho atolosa kapa ho fokotseha), ebe mohanyetsi o tla fetoloa lets'oao la elektroniki ka tekanyo e nepahetseng ea potoloho ea phepelo ea motlakase, ebe ts'ebetso eohle ea ho fetolela matla a kantle ho lets'oao la elektroniki ke phethiloe.
Ha ho thata ho bona hore li-gauge tsa khatello ea maikutlo, li-elastomers tsa polyurethane le li-circuits tsa matla a liteko ke likarolo tse ngata tsa bohlokoa tse ke keng tsa haella ho restress strain force multihead weigher. Maemo ana a mararo a hlalositsoe ka bokhutšoanyane ka tlase. 1. Resistance strain gauge Tekanyo ea khatello ea khatello ke karolo ea lisebelisoa tsa mochini oa mocheso oa motlakase o hasaneng holim'a substrate e entsoeng ka lisebelisoa tsa manyolo, ke hore, tekanyo ea khatello ea khatello.
E 'ngoe ea likarolo tsa hae tse ka sehloohong ke index ea dexterity K. Ha mahlakore a hae a mabeli a tlas'a matla a F, a ka' na a otlolla, ka mantsoe a mang a baka deformation. Ho nka hore e otlolohile, sebaka sa eona sa sefapano se fetoha se senyenyane, ke hore, semicircle ea eona e pota-potileng e fokotseha.
Kamano pakeng tsa ho hanyetsa elastic coefficient ea ho hanyetsa gauge (phetoho e lekanyelitsoeng ea resistor) le elongation ea terata e futhumatsang (phetoho e lekanyelitsoeng ea bolelele le e khutšoanyane) e lekana. E tlameha ho totobatsoa hore boholo ba index ea kutlo ea K ke parameter e khethiloeng ke litšobotsi tsa thepa e tala bakeng sa ho etsa terata e futhumatsang ea tšepe. Ha ho letho le amanang le ponahalo le boholo ba sekhahla sa ho hanyetsa. Boleng ba K ba lisebelisoa tse fapaneng tse tala hangata bo ho 1.7—3.6 Mahareng; boleng bo latelang ba K ke bongata bo se nang dimension, ke hore, ha bo na tekanyo. Mechanics ea boenjiniere, ΔL/L e bitsoa "strain force", e hlalosoang e le ε, 'me hangata e sebelisoa ho bontša hore ductility e kholo haholo, e leng ntho e sa thabiseng haholo. Hangata e sebelisoa e le karolo ea milione ea khoebo, e hlalosoang e le με.
2. Polyurethane elastomer Polyurethane elastomer ke karolo e nang le ponahalo e ikhethang. E na le mesebetsi e 'meli. Ntlha ea pele, e na le matla a ka ntle a sekala sa li-multihead weigher, e leng se etsang hore matla a ho khutlela morao a fihlele tekanyo e lekanyelitsoeng; Sekhahla sa khatello ea khatello se khomaretsoeng sebakeng sena se loketse mosebetsi oa letsatsi le letsatsi oa ho fetola matla a khatello le lets'oao la elektronike. 3. Tlhahlobo ea potoloho ea phepelo ea motlakase Mosebetsi oa tlhahlobo ea potoloho ea motlakase ke ho fetola mohanyetsi oa sekhahla sa khatello ea khatello hore e be motlakase o sebetsang.
Hobane borokho ba Wheatstone bo na le melemo e mengata, joalo ka ho khona ho hatella kotsi ea phetoho ea mocheso, ho hatella tšusumetso ea matla a lehlakoreng, le ho khona ho sebetsana habonolo le bothata ba matšeliso a sekala sa li-multihead, borokho ba Wheatstone bo 'nile ba sebelisoa haholo. sekala sa lihlooho tse ngata. tshebediso. Kaha potoloho ea borokho ba letsoho e kang ketane e feletseng ea ho bokella ke eona e nang le kutloelo-bohloko ka ho fetisisa, likarolo tse ka sehloohong tsa letsoho le leng le le leng li tšoana, 'me likotsi tsa litšusumetso tse fapa-fapaneng li bonolo haholo ho fokotsa tse ling, kahoo mochine oa boima ba li-multihead o sebelisa ketane e feletseng ea ho bokella. lipotoloho tse ling tsa borokho ba letsoho.
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