Li-valve tse nyane tsa solenoidphetha karolo ea bohlokoa liindastering ho tloha sebakeng sa sefofane ho ea ho lisebelisoa tsa bongaka, moo taolo ea mokelikeli oa bobeli e leng ea bohlokoa. Ho lieha ha nako ea bona ea ho arabela ho ka senya ts'ebetso ea sistimi, ho nepahala le polokeho. Tataiso ena e felletseng e hlahloba maano a ho ntlafatsa ts'ebetso ea li-valve tsa solenoid tse tšehelitsoeng ke lits'ebetso tsa lefats'e la nnete le lits'ebetso tsa indasteri.
1. Moralo oa Potoloho ea Magnetic le Ntlafatso ea Lintho
Pelo ea valve efe kapa efe ea solenoid ke potoloho ea eona ea makenete. Mekhoa e mecha sebakeng sena e tsamaisitse lintlafatso tse kholo lebelong la karabelo. Mohlala, China Aerospace Science and Technology Corporation e thehile valve e bobebe ea cryogenic solenoid bakeng sa lienjine tsa mokelikeli tsa oksijene-methane, e fihletseng phokotso ea 20% ea nako ea karabelo ka phepelo e ntlafalitsoeng ea matla a khoheli. Mekhoa ea bohlokoa e kenyelletsa:
- Li-Core-Permeability Cores: Ho sebelisa lisebelisoa tse bonolo tsa makenete joalo ka lialloys tsa tšepe-silicon kapa likarolo tsa phofo ea metallurgy (PM) ho matlafatsa matla a khoheli, ho fokotsa nako ea matla.
- Magnetic Isolation Rings: Ho beoa ka leano la mehele ea ho itšehla thajana ho fokotsa maqhubu a eddy, ho ntlafatsa karabelo e matla. Liphuputso li bontša hore ho lokisa boemo ba selikalikoe haufi le z-axis ho ka fokotsa nako ea karabo ka 30%.
- Ultra-High-Temperature Sintering: Ho futhumatsa likarolo tsa PM ho 2500 ° F nakong ea tlhahiso ho eketsa boholo ba lijo-thollo le ho kenella ha makenete, ho bakang matla a khoheli ka potlako.
2. Tlhophiso e Ncha ea Sebopeho bakeng sa Tšebeliso e Ntle ea Mechini
Mechanical resistance ke tšitiso ea mantlha ea karabelo ea li-valve. Baenjiniere ba ntse ba nahana ka meralo ea li-valve ho hlola sena:
- Li-Actuator tse bobebe: Ho nkela li-cores tsa tšepe sebaka ka li-composite tsa titanium kapa carbon-fiber ho fokotsa ho se sebetse. Mohlala, valve ea enjine ea 300N LOX-methane e fihletse linako tsa karabelo tse tlase ho 10ms ka lisebelisoa tse bobebe.
- Optimized Spring Systems: Ho leka-lekanya boima ba selemo ho tiisa ho koaloa ka potlako ntle le ho senya matla a ho tiisa. Moralo oa litulo tse moepa oa li-valve tsa cryogenic o boloka khatello e phahameng ea tiiso ka mocheso o tlase ha o ntse o thusa ho tsamaea ka potlako.
- Ntlafatso ea Tsela ea Mokelikeli: Likanale tsa ka hare tse hlophisitsoeng hantle le liphahlo tse fokolang tse fokolang (mohlala, PTFE) li fokotsa khanyetso ea phallo. Valofo ea ho atolosa khase ea Limaçon e fihletse ntlafatso ea karabelo ea 56-58% ka ho fokotsa moferefere oa mokelikeli.
3. Advanced Control Electronics le Software
Sistimi ea sejoale-joale ea taolo e fetola matla a li-valve:
- PWM Modulation: Pulse Width Modulation (PWM) e nang le maqhubu a phahameng a ho tšoara maqhubu a fokotsa matla a sebelisoang ha a ntse a boloka ts'ebetso e potlakileng. Lithuto tse sebelisang Response Surface Methodology (RSM) li fumane hore ho ntlafatsa liparamente tsa PWM (mohlala, 12V, 15ms lieha, 5% ea mosebetsi oa potoloho) ho ka fokotsa nako ea karabo ka 21.2%.
- Taolo ea Hona Joale e Matla: Bakhanni ba bohlale joalo ka molaoli oa Burkert 8605 ba fetola nako ea 'nete ka nako ea nnete ho lefella mocheso oa li-coil, ho netefatsa ts'ebetso e tsitsitseng.
- Predictive Algorithms: Mefuta ea ho ithuta ka mochini e sekaseka datha ea nalane ho bolela esale pele le ho lebela tieho e bakoang ke moaparo kapa maemo a tikoloho.
4. Taolo ea Mocheso le Phetoho ea Tikoloho
Mocheso o feteletseng o ka ama ts'ebetso ea valve haholo. Litharollo li kenyelletsa:
- Cryogenic Insulation: Li-valve tsa boemo ba sefofane li sebelisa ho thibela moea le litšitiso tsa mocheso ho boloka mocheso o tsitsitseng oa li-coil pakeng tsa -60 ° C le -40 ° C.
- Active Cooling: Mecha ea Microfluidic e kopantsoeng le 'mele ea li-valve e ntša mocheso, e thibela ho ata ha mocheso o bakang tieho.
- Lisebelisoa tse hanyetsanang le mocheso: Litiiso tsa rabara tsa Nitrile le lisebelisoa tsa tšepe tse sa hloekang li mamella ho fetoha ha maemo ho tloha ho -196 ° C ho ea ho 100 ° C, ho netefatsa hore ho tšepahala ho lisebelisoa tsa cryogenic le mocheso o phahameng .
5. Teko le netefatso
Ho metha ka nepo ho bohlokoa molemong oa ntlafatso. Litekanyetso tsa indasteri joalo ka ISO 4400 li hloka linako tsa karabelo tse ka tlase ho 10ms bakeng sa li-valve tse sebetsang hantle. Liteko tsa bohlokoa li kenyelletsa:
- Tlhahlobo ea karabo: Ho lekanya nako ea ho fihla ho 90% ea khatello e feletseng nakong ea ho bula le 10% nakong ea ho koala.
- Teko ea Bophelo Bohle: Valofo ea 300N LOX-methane e kene ka makhetlo a 20,000 a ho pepeseha ha naetrojene ea metsi ho netefatsa ho tšoarella.
- Teko ea Khatello e Matla: Li-sensor tsa khatello ea lebelo le phahameng li hapa ts'ebetso ea nako ea nnete tlasa meroalo e fapaneng.
6. Likopo tsa 'Nete tsa Lefatše
- Aerospace: Li-valve tse bobebe tsa cryogenic li nolofalletsa taolo e nepahetseng ea lirokete tse ka sebelisoang hape.
- Likoloi: Liente tsa mafura tse sebelisang solenoid tse laoloang ke PWM li fihlella linako tsa karabelo tse tlase ho 5ms, ho ntlafatsa ts'ebetso ea mafura.
- Lisebelisoa tsa Bongaka: Li-valve tse nyenyane tse tsamaisong ea phepelo ea lithethefatsi li sebelisa li-Hall thrusters tse hahiloeng bakeng sa ho nepahala ha nanoliter-scale.
Qetello
Ho ntlafatsa nako ea karabelo ea li-valve tsa micro solenoid ho hloka mokhoa o fapaneng, o kopanyang mahlale a lisebelisoa, lisebelisoa tsa elektroniki le matla a mokelikeli. Ka ho kenya ts'ebetsong lintlafatso tsa potoloho ea makenete, meralo e ncha, le litsamaiso tse bohlale tsa taolo, baenjiniere ba ka fihlela linako tsa karabelo tse tlase ho 10ms ha ba ntse ba netefatsa ho ts'epahala maemong a feteletseng. Ha liindasteri li batla litharollo tse potlakileng le tse sebetsang haholoanyane, lintlafatso tsena li tla lula li le bohlokoa bakeng sa boenjiniere bo nepahetseng ba moloko o latelang.
Lula u le ka pele-pele - hlahloba mefuta ea rona ea ts'ebetso e phahamengli-valve tse nyane tsa solenoide etselitsoeng lebelo le ho tšoarella ha maemo.
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Nako ea poso: Apr-07-2025