Ubuyobozi buhebuje bwo Guhitamo Ikwirakwizwa rya Silicon
Ubuhanga bwinzobere mubikorwa byo gupima inganda
Incamake
Imashini itanga ingufu zashyizwe mubikorwa na tekinoroji ya sensing, harimo silikoni ikwirakwizwa, ceramic, capacitive, na silicon monocrystalline. Muri ibyo, imiyoboro ya silikoni ikwirakwizwa ni yo ikoreshwa cyane mu nganda. Azwiho imikorere ikomeye, kwiringirwa, no gukoresha neza ibiciro, nibyiza mugukurikirana igitutu no kugenzura peteroli na gaze, gutunganya imiti, gukora ibyuma, kubyara amashanyarazi, ubwubatsi bwibidukikije, nibindi byinshi.
Ihererekanyabubasha rishyigikira igipimo cy’ibipimo, byuzuye, kandi bibi, ndetse no mu gihe cyangirika, umuvuduko ukabije, cyangwa ibintu bishobora guteza akaga.
Ariko ni gute iryo koranabuhanga ryateye imbere, kandi ni ibihe bintu ukwiye gusuzuma muguhitamo icyitegererezo gikwiye?
Inkomoko ya tekinoroji ya Silicon
Mu myaka ya za 90, NovaSensor (USA) yazanye igisekuru gishya cya sensor ya silicon ikwirakwizwa hifashishijwe tekinoroji ya micromachining na silicon ihuza.
Ihame riroroshye ariko rifite akamaro: igitutu cyibikorwa bitandukanijwe na diaphragm kandi bigashyirwa mumavuta ya silicone afunze kuri membrane ya silicon yoroheje. Kurundi ruhande, umuvuduko wikirere ukoreshwa nkibisobanuro. Itandukaniro ritera membrane guhinduka - uruhande rumwe rurambuye, urundi rugabanuka. Ibipimo byashyizwemo byerekana iyi disformisiyo, ikabihindura mubimenyetso byamashanyarazi.
8 Ibyingenzi Byingenzi byo Guhitamo Ikwirakwizwa rya Silicon Yumuvuduko
1. Ibiranga Hagati
Imiterere yimiti niyumubiri yibikorwa byamazi bigira ingaruka kuburyo butaziguye guhuza sensor.
Birakwiye:Imyuka, amavuta, amazi meza - mubisanzwe bikoreshwa na sensor ya 316L idafite ibyuma.
Ntibikwiye:Ibitangazamakuru byangirika cyane, biboneka neza, cyangwa bitangazamakuru - ibi birashobora gufunga cyangwa kwangiza sensor.
Ibyifuzo:
- Amazi ya Viscous / kristalisiti (urugero, slurries, sirupe): Koresha imiyoboro ya diaphragm yoherejwe kugirango wirinde gufunga.
- Porogaramu yisuku (urugero, ibiryo, farumasi): Hitamo moderi ya tri-clamp flush diaphragm (MP4 MPa kugirango ibe ifite umutekano).
- Itangazamakuru riremereye cyane (urugero, icyondo, bitumen): Koresha diaphragms idafite cavity, hamwe nigitutu gito cyakazi cya ~ 2 MPa.
. Icyitonderwa: Ntugakore cyangwa ngo ushushanye sensor diaphragm - biroroshye cyane.
2. Urwego rw'ingutu
Urwego rusanzwe rwo gupima: –0.1 MPa kugeza 60 MPa.
Buri gihe hitamo itumanaho ryashyizwe hejuru gato yumuvuduko mwinshi wakazi kugirango umutekano nukuri.
Igice cyerekana igitutu:
1 MPa = 10 bar = 1000 kPa = 145 psi = 760 mmHg meters metero 100 inkingi y'amazi
Gauge vs Umuvuduko udasanzwe:
- Umuvuduko wa Gauge: werekeza ku muvuduko ukabije w'ikirere.
- Umuvuduko udasanzwe: werekeza ku cyuho cyuzuye.
Icyitonderwa: Mu turere twinshi cyane, koresha imashini itanga imashini (hamwe na tebes) kugirango wishyure umuvuduko wikirere waho mugihe ibintu bifatika (
3. Guhuza Ubushyuhe
Urwego rusanzwe rukora: –20 ° C kugeza + 80 ° C.
Kubitangazamakuru bifite ubushyuhe bwo hejuru (kugeza 300 ° C), tekereza:
- Gukonjesha cyangwa gukonjesha
- Ikimenyetso cya diaphragm ya kure hamwe na capillaries
- Shiramo igituba kugirango utandukanye sensor nubushyuhe butaziguye
4. Amashanyarazi
Isoko risanzwe: DC 24V.
Moderi nyinshi zemera 5–30V DC, ariko wirinde kwinjiza munsi ya 5V kugirango wirinde ibimenyetso bidahungabana.
5. Ibisohoka Ubwoko bwibimenyetso
- 4–20 mA (2-wire): Inganda zinganda zogukora intera ndende kandi zidashobora kwangirika
- 0–5V, 1-5V, 0-10V (3-wire): Nibyiza kubisabwa bigufi
- RS485 (digital): Kubitumanaho bikurikirana hamwe na sisitemu y'urusobe
6. Gutunganya insanganyamatsiko yo guhuza
Ubwoko bw'insanganyamatsiko:
- M20 × 1.5 (metric)
- G1 / 2, G1 / 4 (BSP)
- M14 × 1.5
Huza ubwoko bwurudodo hamwe namahame yinganda nibisabwa bya sisitemu.
7. Icyiciro Cyukuri
Urwego rusanzwe:
- ± 0.5% FS - bisanzwe
- ± 0.3% FS - kugirango bisobanuke neza
Irinde kwerekana ± 0.1% FS yukuri kuri silikoni ikwirakwizwa. Ntabwo batezimbere kubikorwa bya ultra-precision kururu rwego. Ahubwo, koresha moderi ya monocrystalline silicon kubintu nkibi.
8. Guhuza amashanyarazi
Hitamo ukurikije ibyo ukeneye kwishyiriraho:
- DIN43650 (Hirschmann): Ikidodo cyiza, gikunze gukoreshwa
- Gucomeka mu ndege: Kwiyubaka byoroshye no kubisimbuza
- Imiyoboro ya kabili itaziguye: Ihuzagurika kandi irwanya ubushuhe
Kugira ngo ukoreshe hanze, hitamo amazu 2088 yuburyo bwiza bwo kwirinda ikirere.
Ibibazo bidasanzwe
Q1: Nshobora gupima gaze ya amoniya?
Nibyo, ariko hamwe nibikoresho bikwiye (urugero, Hastelloy diaphragm, kashe ya PTFE). Nanone, ammonia ifata amavuta ya silicone - koresha amavuta ya fluor nk'amazi yuzuye.
Q2: Tuvuge iki ku bitangazamakuru byaka cyangwa biturika?
Irinde amavuta asanzwe ya silicone. Koresha amavuta ya fluor (urugero, FC-70), atanga imiti ihamye kandi irwanya guturika.
Umwanzuro
Bitewe no kwizerwa kwabo, guhuza n'imihindagurikire y'ikirere, no gukoresha neza ibiciro, imiyoboro ya silikoni ikwirakwizwa ikomeza kuba igisubizo mu nganda zitandukanye.
Guhitamo witonze ukurikije uburyo, umuvuduko, ubushyuhe, ubwoko bwihuza, hamwe nukuri byerekana imikorere myiza nigihe kirekire.
Ukeneye ubufasha guhitamo icyitegererezo gikwiye?
Tubwire gusaba kwawe - tuzagufasha kubona neza.
Igihe cyo kohereza: Jun-03-2025