Yekupedzisira Nhungamiro Yekusarudza Yakapararira Silicon Pressure Transmitter
Nhungamiro yehunyanzvi yemaindasitiri ekuyera maapplication
Overview
Dzvinyiriro inotapurirana inoiswa muhutekinoroji hwavo hwekunzwa, kusanganisira yakapararira silicon, ceramic, capacitive, uye monocrystalline silicon. Pakati peaya, akapararira silicon pressure transmitters ndiwo anonyanya kugamuchirwa mumaindasitiri. Vanozivikanwa nekuita kwavo kwakasimba, kuvimbika, uye mutengo-unoshanda, iwo akanakira kudzvanya kutarisa uye kutonga muoiri negesi, kugadzirwa kwemakemikari, kugadzira simbi, kugadzirwa kwemagetsi, engineering yezvakatipoteredza, nezvimwe.
Aya ma transmitters anotsigira geji, absolute, uye akashata kuyerwa kwekuyerwa-kunyangwe mune corrosion, high-pressure, kana ine njodzi mamiriro.
Asi tekinoroji iyi yakatanga sei, uye ndezvipi zvinhu zvaunofanira kufunga nezvazvo pakusarudza mhando yakakodzera?
Mavambo eSilicon Technology Yakapararira
Mumakore ekuma1990, NovaSensor (USA) yakaunza chizvarwa chitsva cheyakapararira masikironi masensa achishandisa advanced micromachining uye silicon bonding tekinoroji.
Nheyo yacho iri nyore asi inoshanda: kudzvanywa kwemaitiro kunoparadzaniswa nediaphragm uye kunotamiswa kuburikidza neyakavharwa silikoni mafuta kune inonzwisisika silicon membrane. Kune rumwe rutivi, mhepo yemhepo inoshandiswa sechirevo. Musiyano uyu unokonzera kuti membrane iparare-rimwe divi rinotambanudzwa, rimwe rinomanikidza. Embedded strain gauges inoona iyi deformation, ichishandura kuita chiratidzo chemagetsi chaidzo.
8 Makiyi Paramita eKusarudza Yakapararira Silicon Pressure Transmitter
1. Medium Hunhu
Iyo kemikari uye yemuviri chimiro cheiyo process fluid inokanganisa zvakananga sensor kuenderana.
Inokodzera:Magasi, oiri, zvinwiwa zvakachena - zvinowanzobatwa neyakajairwa 316L simbi isina tsvina sensors.
Zvisina kukodzera:Yakanyanya corrosive, viscous, kana crystallizing media - izvi zvinogona kuvhara kana kukuvadza sensor.
Zvinokurudzirwa:
- Viscous/crystallizing fluids (eg, slurries, syrups): Shandisa madhiraivha ediaphragm kudzivirira kuvhara.
- Zvishandiso zvehutsanana (semuenzaniso, chikafu, pharma): Sarudza tri-clamp flush diaphragm modhi (≤4 MPa yekukodzera yakachengeteka).
- Heavy-duty media (semuenzaniso, madhaka, bhitumini): Shandisa madhayaphragm asina mhango, ine shoma shoma yekushanda ye ~ 2 MPa.
⚠️ Yambiro: Usabate kana kukwenya sensor diaphragm - yakanyanya kutetepa.
2. Pressure Range
Chiyero chekuyera chiyero: -0.1 MPa kusvika 60 MPa.
Gara uchisarudza transmitter yakatemerwa zvishoma pamusoro peyako yakanyanya kumanikidza kushanda kuti uchengetedze uye huchokwadi.
Pressure unit reference:
1 MPa = 10 bar = 1000 kPa = 145 psi = 760 mmHg ≈ 100 mamita mbiru yemvura
Gauge vs. Absolute Pressure:
- Gauge pressure: inonongedzwa kune ambient atmospheric pressure.
- Absolute pressure: inonongedzwa kune yakakwana vacuum.
Ongorora: Munzvimbo dzakakwirira-refu, shandisa mavented gauge transmitters (ane machubhu emhepo) kutsiva kudzvanywa kwemhepo yemuno kana iko kurongeka.
3. Temperature Compatibility
Yakajairika kushanda siyana: -20°C kusvika +80°C.
Nezvepamusoro-tembiricha media (kusvika 300°C), funga:
- Kutonhodza zvimbi kana kunyura
- Remote diaphragm seals ane capillaries
- Impulse tubing kuparadzanisa sensor kubva pakupisa kwakananga
4. Power Supply
Chiyero chinopihwa: DC 24V.
Mazhinji mamodheru anotambira 5–30V DC, asi dzivirira zvinopinza pazasi 5V kudzivirira kusagadzikana kwechiratidzo.
5. Output Signal Types
- 4–20 mA (2-waya): indasitiri chiyero chenguva refu uye inopindira-inodzivirira kutapurirana
- 0–5V, 1–5V, 0–10V (3-waya): Yakanakira maapplication enguva pfupi
- RS485 (yedhijitari): Yekutaurirana kuseri uye networked masisitimu
6. Process Connection Threads
Common thread mhando:
- M20×1.5 (metric)
- G1/2, G1/4 (BSP)
- M14×1.5
Matanidza mhando yeshinda nemaitiro eindasitiri uye yako system's mechanic zvinodiwa.
7. Kirasi Yakarurama
Mayero chaiwo echokwadi:
- ± 0.5% FS - chiyero
- ± 0.3% FS - kuitira kunyatsojeka
⚠️ Dzivisa kutsanangura ± 0.1% FS kurongeka kweakaparadzirwa silicon transmitters. Izvo hazvina kugadziridzwa kuitira basa rekupedzisira-chaizvo pane iyi nhanho. Pane kudaro, shandisa monocrystalline silicon modhi kune akadaro maapplication.
8. Electrical Connections
Sarudza zvichienderana nezvido zvako zvekuisa:
- DIN43650 (Hirschmann): Kuisa chisimbiso chakanaka, chinowanzoshandiswa
- Aviation plug: Kuisa nyore uye kutsiva
- Yakananga tambo lead: Compact uye mwando-inodzivirira
Zvekushandisa kunze, sarudza 2088-style yedzimba yekunatsiridza kudzivirira kwekunze.
Nyaya Yakakosha Kufunga
Q1: Ndinogona kuyera ammonia gasi here?
Hongu, asi chete nezvinhu zvakakodzera (semuenzaniso, Hastelloy diaphragm, PTFE seals). Zvakare, ammonia inopindirana nesilicone mafuta-shandisa fluorinated mafuta semvura inozadza.
Q2: Zvakadini nezvinobvira moto kana zvinoputika media?
Dzivisa mwero silicone mafuta. Shandisa fluorinated oiri (semuenzaniso, FC-70), iyo inopa zvirinani kugadzikana kwemakemikari uye kuramba kuputika.
Mhedziso
Nekuda kwekuvimbika kwavo kwakaratidza, kuchinjika, uye mutengo-kushanda, yakapararira silicon pressure transmitters inoramba iri yekuenda-kune mhinduro mumaindasitiri akasiyana.
Kunyatsosarudzwa kunoenderana nepakati, kudzvanywa, tembiricha, mhando yekubatanidza, uye kurongeka kunovimbisa kuita kwakaringana uye kusimba kwenguva refu.
Nguva yekutumira: Jun-03-2025