Isikhokelo esigqibeleleyo sokuKhetha iSilicon yoShicilelo olusasazekileyo loThutho
Isikhokelo sobuchwephesha kwizicelo zomlinganiso woshishino
Isishwankathelo
Abadlulisi boxinzelelo bahlelwa ngokwetekhnoloji yabo yokuva, kubandakanya isilicon edibeneyo, i-ceramic, i-capacitive, kunye nesilicon ye-monocrystalline. Phakathi kwezi, ii-silicon ezisasazekileyo zoxinzelelo loxinzelelo zezona zamkelwa ngokubanzi kuwo wonke amashishini. Eyaziwayo ngokusebenza kwabo okuqinileyo, ukuthembeka, kunye nokusebenza kakuhle kweendleko, zilungele ukubeka iliso kunye nokulawula uxinzelelo kwioli kunye negesi, ukuqhutyelwa kweekhemikhali, ukuveliswa kwensimbi, ukuveliswa kwamandla, ubunjineli bendalo, kunye nokunye.
Ezi zithutha zixhasa igeyiji, imilinganiselo yoxinzelelo olupheleleyo, kunye noxinzelelo olubi-kwanakwimeko ezonakalisayo, yoxinzelelo oluphezulu okanye enobungozi.
Kodwa le teknoloji yaphuhliswa njani, kwaye zeziphi izinto omele uziqwalasele xa ukhetha imodeli efanelekileyo?
Imvelaphi yeTekhnoloji yeSilicon eSahluliweyo
Kwiminyaka yoo-1990, i-NovaSensor (e-USA) yazisa isizukulwana esitsha sezinzwa ze-silicon ezisasazekileyo zisebenzisa i-micromachining ephucukileyo kunye ne-silicon bonding technologies.
Umgaqo ulula kodwa uyasebenza: uxinzelelo lwenkqubo lubekwe yodwa yi-diaphragm kwaye idluliselwe ngeoli ye-silicone etywiniweyo kwi-membrane ye-silicon ebuthathaka. Kwelinye icala, uxinzelelo lwe-atmospheric lusetyenziswa njengesalathiso. Lo mahluko ubangela ukuba i-membrane igxumeke-elinye icala liyolula, elinye licinezele. Iigeyiji zoxinzelelo ezigxininisiweyo zifumanisa olu tshintsho, luyiguqulela ekubeni luphawu oluchanekileyo lombane.
8 IiParameters eziphambili zokuKhetha i-Silicon Pressure Transmitter esasazekileyo
1. Iimpawu eziPhakathi
Ubume bemichiza kunye nomzimba wolwelo lwenkqubo luchaphazela ngokuthe ngqo ukuhambelana kwenzwa.
Ifanelekile:Iigesi, i-oyile, ulwelo olucocekileyo- oluqhelekileyo luphathwa nge-316L ye-stainless steel sensors.
Ayifanelekanga:Imithombo yeendaba eyonakalisa kakhulu, i-viscous, okanye i-crystallizing - ezi zinokuvala okanye zonakalise inzwa.
Izindululo:
- Ulwelo olubonakalayo/ oluyikristale (umz., i-slurries, iisyrups): Sebenzisa ii-diaphragm ezigungxulwayo ezisasaza ukuthintela ukuvaleka.
- Ukusetyenziswa kococeko (umzekelo, ukutya, i-pharma): Khetha imifuziselo ye-tri-clamp yokugungxula ye-diaphragm (≤4 MPa yokufakwa ngokukhuselekileyo).
- Imidiya esebenza nzima (umzekelo, udaka, ibhitumene): Sebenzisa idiaphragm zokugungxula ezingenamngxunya, kunye noxinzelelo olusebenzayo oluyi ~2 MPa.
⚠️ Isilumkiso: Ungachukumisi okanye ukrwele i-diaphragm yoluvo- inobuthathaka kakhulu.
2. Uluhlu loxinzelelo
Uluhlu lokulinganisa olusemgangathweni: -0.1 MPa ukuya kwi-60 MPa.
Soloko ukhetha isidluliseli esikalwe kancinane ngaphezu koxinzelelo lwakho lokusebenza ngokhuseleko kunye nokuchaneka.
Ireferensi yeyunithi yoxinzelelo:
1 MPa = 10 bar = 1000 kPa = 145 psi = 760 mmHg ≈ 100 iimitha ikholamu yamanzi
Igeyiji vs. Uxinzelelo olupheleleyo:
- Uxinzelelo lwegeyiji: ibhekiselele kuxinzelelo lweatmospheri engqongileyo.
- Uxinzelelo olugqibeleleyo: kubhekiselwa kwisingxobo esigqibeleleyo.
Qaphela: Kwimimandla yobude obuphezulu, sebenzisa iigeyiji ezikhupha umoya (ezineetyhubhu zokukhupha umoya) ukuhlawula uxinzelelo lomoya wendawo xa ukuchaneka kubalulekile (
3. Ukuhambelana kobushushu
Uluhlu oluqhelekileyo lokusebenza: -20°C ukuya +80°C.
Kwimidiya yobushushu obuphezulu (ukuya kuthi ga kwi-300°C), qwalasela:
- Amaphiko okupholisa okanye i-heat sinks
- Ukutywinwa kwe-diaphragm ekude ngeecapillaries
- Impulse tubing ukwahlula inzwa kubushushu obuthe ngqo
4. Ubonelelo lwaMandla
Ubonelelo olusemgangathweni: DC 24V.
Uninzi lweemodeli zamkela i-5-30V DC, kodwa zithintele amagalelo angaphantsi kwe-5V ukuthintela ukungazinzi komqondiso.
5. Iintlobo zeMiqondiso yePhulo
- 4–20 mA (2-ingcingo): Umgangatho weshishini lomgama omde kunye nothintelo olukwaziyo ukusasaza
- 0–5V, 1–5V, 0–10V (3-wire): Ilungele ukusetyenziswa koluhlu olufutshane
- I-RS485 (yedijithali): Kunxibelelwano lwe-serial kunye neenkqubo zothungelwano
6. Imisonto yoQhagamshelwano lweNkqubo
Iintlobo zemisonto eqhelekileyo:
- M20×1.5 (metric)
- G1/2, G1/4 (BSP)
- M14×1.5
Tshatisa uhlobo lomsonto kunye nemigaqo yoshishino kunye neemfuno zoomatshini benkqubo yakho.
7. Iklasi yokuchaneka
Amanqanaba achanekileyo okuchaneka:
- ±0.5% FS – umgangatho
- ±0.3% FS - ukuchaneka okuphezulu
⚠️ Kuphephe ukuchaneka ±0.1% FS kwizidluliseli zesilicon ezisasaziweyo. Abalungiselelwanga umsebenzi ochanekileyo kakhulu kweli nqanaba. Endaweni yoko, sebenzisa iimodeli ze-silicon ze-monocrystalline kwizicelo ezinjalo.
8. Uqhagamshelo loMbane
Khetha ngokusekelwe kwiimfuno zakho zokuhlohla:
- I-DIN43650 (Hirschmann): Ukutywinwa okulungileyo, okuqhelekileyo kusetyenziswa
- Iplagi yeAviation: Ufakelo olulula kunye nokutshintshwa
- Intambo yentambo ethe ngqo: Iqinile kwaye ayinyangeki ukufuma
Ukusetyenziswa kwangaphandle, khetha indlu ye-2088-style yokuphucula imozulu.
Ukuqwalaselwa Kwemeko Ekhethekileyo
I-Q1: Ngaba ndingalinganisa igesi ye-ammonia?
Ewe, kodwa kuphela ngezinto ezifanelekileyo (umzekelo, i-Hastelloy diaphragm, i-PTFE seals). Kwakhona, i-ammonia isabela ngeoli ye-silicone-sebenzisa ioli e-fluorinated njenge-fill fluid.
I-Q2: Kuthekani ngeendaba ezinokutsha okanye eziqhumayo?
Gwema ioli ye-silicone eqhelekileyo. Sebenzisa i-oyile ene-fluorinated (umzekelo, i-FC-70), enika uzinzo olungcono lweekhemikhali kunye nokumelana nokudubula.
Ukuqukumbela
Ngombulelo kukuthembeka kwabo okuqinisekisiweyo, ukuguquguquka, kunye nokusebenza kakuhle, ii-silicon ezisasazekileyo zoxinzelelo loxinzelelo zihlala zisisisombululo kuwo wonke amashishini ahlukeneyo.
Ukukhethwa ngokucokisekileyo ngokubhekiselele kumbindi, uxinzelelo, ubushushu, uhlobo lokudibanisa, kunye nokuchaneka kuqinisekisa ukusebenza kakuhle kunye nokuqina kwexesha elide.
Ngaba ufuna uncedo lokukhetha imodeli efanelekileyo?
Sixelele isicelo sakho-siza kukunceda ufumane ehambelanayo.
Ixesha lokuposa: Jun-03-2025