A load cellchaizvoizvo mudziyo unoshandura chiratidzo chikuru kuva chinoyerwa chinobuda nemagetsi. Paunenge uchishandisa aload cell, nzvimbo chaiyo yekushanda yeload cell zvinofanirwa kutariswa kutanga, izvo zvakakosha pakusarudzwa kwakaringana kweiyoload cell. Zvinoenderana nekutiload cell inogona kushanda zvakajairwa, kuchengetedzwa kwayo uye hupenyu hwebasa, uye kunyangwe kuvimbika uye kuchengetedzwa kwese kuyera chiridzwa.
Kukanganisa kwezvakatipoteredza paload cell kunyanya zvinosanganisira zvinotevera zvinhu:
(1) Iyo yakanyanya tembiricha nharaunda inokonzeresa matambudziko sekunyunguduka kwezvinhu zvekupfekedza, kuvhurika welding yemajoini ekutengesa, uye shanduko yezvimiro mukushushikana kwemukati kwe elastomer. Forload cells kushanda munzvimbo dzekushisa kwepamusoro, kupisa kwakanyanyaload cells inowanzoshandiswa; uyezve, midziyo yakadai sekudzivirira kupisa, kutonhora kwemvura kana kutonhora kwemhepo inofanira kuwedzerwa.
(2) Kupesvedzera kweguruva uye humidity pane pfupi dunhu reload cell. Mumamiriro ezvinhu ezvakatipoteredza aya, aload cell nepamusoromhepo-tightness inofanira kusarudzwa. Differentload cells vane nzira dzakasiyana dzekuisa chisimbiso, uye yavomhepo-tightness yakasiyana zvikuru.
Zvisimbiso zvakajairika zvinosanganisira sealant kuzadza kana kupfeka; mapedhi erubha anosungirirwa nemichina uye akaiswa chisimbiso; welding (argon arc welding, plasma beam welding) uye vacuum nitrogen yekuzadza zvisimbiso.
Kubva pamaonero ekuisa chisimbiso, welding sealing ndiyo yakanyanya kunaka, uye kuzadza uye coating sealant ndiyo yakashata. Forload cells iyo inoshanda munzvimbo yakachena uye yakaoma yemukati, unogona kusarudza glue-yakavharwaload cell, uye kune vamweload cellIyo inoshanda munzvimbo ine hunyoro uye ine guruva, iwe unofanirwa kusarudza diaphragm kupisa chisimbiso kana diaphragm welding chisimbiso, kupomba Vacuum nitrogen yakazadzwa.load cell.
(3) Munzvimbo ine ngura yakanyanya, senge hunyoro uye acidity, iyo inokuvadza elastomer kana kukonzera kupfupika kwedunhu, iyo yekunze inofanira kunge yakapfapfaidzwa zvakanyanyayakafukidzwa nesimbi isina tsvina, iyo ine yakanaka corrosion resistance uye yakanakakusagadzikana kwemhepo.
(4) Pesvedzero yemunda wemagetsi paload sero kubuda chirwere chiratidzo. Muchiitiko ichi, kudzivirirwa kweload sero inofanira kunyatsotariswa kuti ione kana iine yakanaka electromagnetic resistance.
(5) Inopisa uye inoputika haisi kungokonzera kukanganisa kwakakwana kuneload cell, asi zvakare kuisa kutyisidzira kukuru kune zvimwe zvishandiso uye kuchengetedzwa kwemunhu. Naizvozvo,load cells kushanda munzvimbo dzinopfuta uye dzinoputika kunoisa pamberi pepamusoro zvinodiwa pakuputika-kupikisa kuita: kuputika-uchapupu.load cells inofanira kusarudzwa munzvimbo dzinopisa uye dzinoputika. Chisimbiso chivharo cheizviload cell haifanire kungofunga zvayokusagadzikana kwemhepo, asiwo Simba rekuputika-rinoputika, pamwe chete nemvura, unyoro-uchapupu uye kuputika-uchapupu hwezvinhu zvetambo zvinotungamirira zvinofanira kufungwa.
Chechipiri, kusarudzwa kwenhamba uye huwandu hweload cells.
Kusarudzwa kwenhamba yeload cells inotemerwa maererano nechinangwa chechiyereso chemagetsi uye huwandu hwemapoinzi ayo anodiwa nemuviri wechikero kutsigira (nhamba yemapoinzi anotsigira inofanirwa kutariswa zvinoenderana nemusimboti wekugadzira iyo geometric centre yegiravhiti yechiyero chemuviri inoenderana ne. nzvimbo chaiyo yegiravhiti). Kazhinji kutaura, akawandaload cells anoshandiswa kumutumbi wechiyero ane akati wandei anotsigira mapoinzi. Nekudaro, kune mamwe akakosha masikero senge emagetsi hook zviyero, imwe cheteload cell inogona kushandiswa. Kune vamweelectromagnetically zviyero zvakasanganiswa, kusarudzwa kweload cell inofanira kusarudzwa maererano nemamiriro ezvinhu chaiwo. nhamba.
Kusarudzwa kweload cell huwandu hunogona kutariswa maererano nekuongororwa kwakadzama kwezvinhu zvakadai sehupamhi hwekuyera kukosha kwechiyero, nhamba yezvakasarudzwa.load cells, kuzvidzora kwemuviri wechiyero, iyo inokwanisika yakawanda eccentric mutoro uye simba rekuita. Kazhinji, iyo inoswedera pedyo nehuwandu hweload cell ndewemutoro wakagoverwa kune umwe neumweload cell, kuyera kwaro kuchava kwakarurama. Zvisinei, mukushandiswa chaiko, sezvo mutoro wakashandiswa kuneload cell zvinosanganisira huremu, huremu hwetare, eccentric mutoro uye vibration kukanganisa kwechiyero kuwedzera kune chinhu chinoyerwa, zvinhu zvakawanda zvinofanirwa kutariswa pakusarudza iyo.load cell garandi kuitira kutiload cell kuchengeteka uye hupenyu hurefu.
Iyo yekuverenga formula yeload cell huwandu hunotarirwa kuburikidza nenhamba huru yezviedzo mushure mekutarisa zvizere zvinhu zvakasiyana zvinokanganisa chiyero chemuviri.
Iyo formula ndeyotevera:
C=K-0K-1K-2K-3(Wmax+W)/N
C-chiyero chakayerwa cheimweload cell; W-kuzviremera kwemuviri wechikero; Wmax-huremu hwepamusoro hwehuremu hwemambure echinhu chiri kuyerwa; N-nhamba yemapoinzi ekutsigira anoshandiswa nechiyero chemuviri; K-0-iyo inishuwarenzi chinhu, kazhinji pakati pe1.2 ne1.3; K-1-kukanganisa coefficient; K-2-pakati pesimba rinokwevera pasi coefficient yemuviri wechikero; K-3-mhepo yekumanikidza coefficient.
Semuenzaniso: 30t electronic truck scale, huremu hwepamusoro i30t, huremu hwemuviri 1.9t, uchishandisa ina.load cells, zvinoenderana nemamiriro chaiwo panguva iyoyo, sarudza iyo inishuwarenzi chinhu K-0 = 1.25, chinokonzeresa chinhu K-1 = 1.18, Pakati pesimba rinokwevera pasi coefficient K-2-=1.03, iyo mhepo inomanikidza coefficient K-3 = 1.02, edza kuona tonnage yeload cell.
Solution: Verenga formula maererano neload cell range:
C=K-0K-1K-2K-3(Wmax+W)/N
Zvinozivikanwa kuti:
C=1.25×1.18×1.03×1.02×(30+1.9)/4
=12.36t
Naizvozvo, aload cell ine huwandu hwe15t inogona kusarudzwa (iyo tonnage yeload cell kazhinji ingori 10T, 15T, 20t, 25t, 30t, 40t, 50t, zvichingodaro, kunze kwekunge yakanyatso kuodha).
Maererano nezvakaitika, theload cell inofanira kazhinji kushanda mukati me30% kusvika 70% yehuwandu hwayo, asi kune zvimwe zviridzwa zvinoyeresa zvine simba guru panguva yekushandiswa, sezvikero zvenjanji zvine simba, zvikero zverori zvine simba, zvikero zvesimbi, nezvimwewo, pakusarudza.load cells, Kazhinji, zvakakosha kuti uwedzere huwandu hwayo, kuitira kutiload cell inoshanda mukati me20% kusvika 30% yehuwandu hwayo, kuitira kuti uremu chengetedzo yeload cell inowedzerwa kuve nechokwadi chekuchengetedza uye hupenyu hweload cell.
Zvakare, funga kushanda kwemhando imwe neimwe yeload cell.
Kusarudzwa kweload cell mhando inonyanya kuenderana nerudzi rwekuyera uye nzvimbo yekuisa kuti ive nechokwadi chekuisa kwakakodzera uye yakachengeteka uye yakavimbika kuyera; kune rumwe rutivi, mazano emugadziri anofanira kufungwa. Vagadziri vanowanzo tsanangura chiyero chekushandiswa kweiyoload cell maererano nesimba reload cell, zviratidzo zvekushanda, fomu yekuisa, chimiro chechimiro, uye elastomer zvinhu. Semuenzaniso, aluminium cantilever beamload cells akakodzera zvikero zvemitengo, zviyero zvepuratifomu, zviyero zvekesi, nezvimwe; simbi Cantilever dandaload cells inokodzera zvikero zvehopper, zviyero zvebhanhire remagetsi, zvikero zvekugadzirisa, nezvimwewo; simbi zambukoload cells akakodzera zvikero zvenjanji, zviyero zverori, zvikero zvecrane, nezvimwe; columnload cells akakodzera zvikero zverori, zvikero zvenjanji zvine simba, uye mahombe-tonnage hopper zviyero. Mira.
Pakupedzisira, pane sarudzo yeload cell kirasi yakarurama.
Chiyero chechokwadi cheload cell inosanganisira zviratidzo zveunyanzvi zvakadai seload cell's nonlinearity, zvinokambaira, zvinokambaira kupora, hysteresis, kudzokorora, uye kunzwa. Pakusarudzaload cells, usangoita zvepamusoro-soroload cells, asi funga kuzadzisa zvese zvinodiwa nemazvo zvezvikero zvemagetsi uye mutengo wazvo.
Kusarudzwa kweload cell kirasi inofanirwa kuzadzisa zvinotevera mamiriro maviri:
1. Sangana nezvinodiwa zvekupinza chiridzwa. Chiyero chekuyera chekuratidzira chinoratidza mhedzisiro yekuyera mushure mekugadzirisa chiratidzo chekubuda cheload cell kuburikidza nekusimudzira uye A / D shanduko. Naizvozvo, iyo inobuda chiratidzo cheload cell inofanira kunge yakakura kudarika kana kuenzana nesaizi yekupinza inodiwa nemamita, kureva, kubuda kwekunzwa kweload cell inotsiviwa neyekufananidza formula yeload cell uye mita, uye chigumisiro chekuverenga chinofanira kunge chakakura kudarika kana kuenzana nemanzwiro ekuisa anodiwa nemamita.
Iyo yekufananidza formula yeload cell uye mita:
Load cell kubuda senitivity * excitation simba rekupa voltage * yakakwira huremu hwechiyero
Nhamba yezvikamu zvechiyero * nhamba yeload cells * huwandu hweload cell
Semuenzaniso: chiyero chekuisa chikero chinorema 25kg, nhamba yepamusoro yezvikamu ndeye 1000.. Tiye muyero muviri unotora 3 L-BE-25 mhandoload cells, huwandu huri 25kg, senitivity ndeye 2.0±0.008mV/V, iyo arch bridge voltage pressure 12V. Tanoyera anoshandisa AD4325 mita. Bvunza kanaload cell inoshandiswa inogona kuenzanisa mita.
Solution: Mushure mekubvunzana, iyo yekuisa senitivity yeAD4325 mita ndeye 0.6μV / d, saka zvichienderana nekuenzanisa formula yeload cell uye mita, iyo chaiyo yekuisa chiratidzo chemita inogona kuwanikwa se:
2×12×25/1000×3×25=8μV/d>0.6μv/d
Naizvozvo, theload cell yakashandiswa inosangana nezvinodiwa zvekunzwa kwekupinza kwechiridzwa uye inogona kuenzanisa chiridzwa chakasarudzwa.
2. Sangana nekururama zvinodiwa zveyero yese yemagetsi. Chikero chemagetsi chinonyanya kuumbwa nezvikamu zvitatu: chiyero chemuviri,load cell uye chiridzwa. Pakusarudza kururama kweiyoload cell, kururama kweload cell inofanira kunge yakakwira zvishoma kudarika kukosha kwechidzidzo chekuverenga, nokuti dzidziso yacho inowanzoganhurwa nemamiriro ezvinhu echinangwa, sezvikero. Simba remuviri rakanyanya kuipa, kushanda kwechiridzwa hakuna kunaka, nzvimbo yekushanda yechiyero yakashata uye zvimwe zvinhu zvakananga.affect the chokwadi zvinodiwayechiyero.
Nguva yekutumira: Aug-11-2022