Mavavu a Micro solenoidzimagwira ntchito yofunika kwambiri m'mafakitale kuyambira kumlengalenga mpaka pazida zamankhwala, komwe kuwongolera kwamadzi amphindi ndikofunika kwambiri. Kuchedwetsa nthawi yawo yoyankha kumatha kusokoneza magwiridwe antchito, kulondola, komanso chitetezo. Bukuli limawunikira njira zotsogola zolimbikitsira magwiridwe antchito a ma valve a solenoid, mothandizidwa ndi ntchito zenizeni padziko lonse lapansi komanso zatsopano zamakampani.
1. Maginito Circuit Design ndi Kukhathamiritsa Kwazinthu
Mtima wa valavu iliyonse ya solenoid ndi maginito ake. Zatsopano m'derali zathandizira kusintha kwakukulu pakuyankha mwachangu. Mwachitsanzo, bungwe la China Aerospace Science and Technology Corporation linapanga valavu yopepuka ya cryogenic solenoid ya injini za oxygen-methane zamadzimadzi, zomwe zinachepetsa 20% pa nthawi yoyankha kudzera pakugawa bwino kwa maginito. Njira zazikuluzikulu zikuphatikiza:
- High-Permeability Cores: Kugwiritsa ntchito zida zofewa za maginito monga ma aloyi achitsulo-silicon kapena zida zazitsulo za ufa (PM) kumathandizira maginito, kuchepetsa nthawi yamphamvu.
- Mphete za Magnetic Isolation: Njira yoyika mphete zodzipatula imachepetsa mafunde a eddy, ndikuwongolera kuyankha kwamphamvu. Kafukufuku akuwonetsa kuti kusintha malo a mphete motsatira z-axis kumatha kuchepetsa nthawi yoyankha ndi 30%.
- Ultra-High-Temperature Sintering: Kutentha kwa PM mpaka 2500 ° F panthawi yopanga kumawonjezera kukula kwa tirigu ndi maginito permeability, zomwe zimapangitsa kuti maginito azitha msanga.
2. Kukonzanso Kwadongosolo Kwamakina Mwachangu
Mechanical resistance ndiye cholepheretsa chachikulu pakuyankha kwa ma valve. Mainjiniya akuganiziranso zomanga ma valve kuti athetse izi:
- Ma actuators Opepuka: Kusintha zitsulo zachikhalidwe ndi titaniyamu kapena kaboni-fiber composites kumachepetsa inertia. Mwachitsanzo, valavu ya injini ya 300N LOX-methane idakwanitsa kuyankha kwa sub-10ms pogwiritsa ntchito zida zopepuka.
- Makina Okhazikika a Spring: Kuyanjanitsa kuuma kwa masika kumatsimikizira kutseka mwachangu popanda kusokoneza mphamvu yosindikiza. Mapangidwe otsetsereka a mipando mu mavavu a cryogenic amasunga kutsekeka kwakukulu pakutentha kotsika ndikupangitsa kuyenda mwachangu.
- Kukhathamiritsa kwa Njira ya Fluid: Njira zowongolera zamkati ndi zokutira zocheperako (mwachitsanzo, PTFE) zimachepetsa kukana kwamadzi. Valavu yowonjezera gasi ya Limaçon idapindula ndi 56-58% pochepetsa chipwirikiti chamadzimadzi.
3. Advanced Control Electronics ndi Mapulogalamu
Makina owongolera amakono akusintha ma valavu:
- PWM Modulation: Pulse Width Modulation (PWM) yokhala ndi ma frequency okwera kwambiri amachepetsa kugwiritsa ntchito mphamvu kwinaku akuyendetsa mwachangu. Kafukufuku wogwiritsa ntchito Response Surface Methodology (RSM) adapeza kuti kukhathamiritsa magawo a PWM (mwachitsanzo, 12V, kuchedwa kwa 15ms, 5% ntchito yozungulira) kumatha kuchepetsa nthawi yoyankha ndi 21.2%.
- Dynamic Current Control: Madalaivala anzeru ngati chowongolera cha Burkert 8605 amasintha zomwe zikuchitika munthawi yeniyeni kuti alipire kutentha kwa ma coil, kuwonetsetsa kuti magwiridwe antchito amachitika nthawi zonse.
- Ma Algorithms Olosera: Mitundu yophunzirira pamakina imasanthula zomwe zidachitika kale kuti zidziwike ndikudziwiratu kuchedwa komwe kumachitika chifukwa cha kuvala kapena zachilengedwe.
4. Kuwongolera Kutentha ndi Kusintha Kwachilengedwe
Kutentha kwambiri kumatha kukhudza kwambiri magwiridwe antchito a valve. Mayankho akuphatikiza:
- Cryogenic Insulation: Mavavu oyenda mumlengalenga amagwiritsa ntchito kutsekereza kwa mpweya ndi zotchinga za kutentha kuti zisunge kutentha kokhazikika pakati pa -60 ° C ndi -40 ° C.
- Kuzizira Kwambiri: Njira za Microfluidic zophatikizidwira m'matupi a valve zimataya kutentha, kulepheretsa kukula kwa kutentha komwe kumayambitsa kuchedwa.
- Zida Zolimbana ndi Kutentha: Zisindikizo za mphira wa Nitrile ndi zitsulo zosapanga dzimbiri zimapirira kusinthasintha kuchokera ku -196 ° C mpaka 100 ° C, kuonetsetsa kudalirika mu ntchito za cryogenic ndi kutentha kwambiri.
5. Kuyesedwa ndi Kutsimikizira
Muyezo wolondola ndi wofunikira kuti muwongolere bwino. Miyezo yamakampani ngati ISO 4400 imafunikira nthawi zoyankhira pansi pa 10ms pamavavu ochita bwino kwambiri. Mayeso ofunikira ndi awa:
- Kusanthula kwamayankhidwe: Kuyeza nthawi yofikira 90% ya kukakamizidwa kwathunthu pakutsegula ndi 10% pakutseka.
- Kuyesa Kwamoyo Wonse: Vavu ya 300N LOX-methane inadutsa maulendo 20,000 a nitrogen yamadzimadzi kuti atsimikizire kulimba.
- Kuyesa kwa Mphamvu Yamphamvu: Masensa othamanga kwambiri amajambula zochitika zenizeni pansi pa katundu wosiyanasiyana.
6. Real-World Mapulogalamu
- Zamlengalenga: Mavavu opepuka a cryogenic amathandizira kuwongolera kolondola kwa ma vector mumaroketi ogwiritsidwanso ntchito.
- Magalimoto: Majekeseni amafuta omwe amagwiritsa ntchito solenoids olamulidwa ndi PWM amakwaniritsa nthawi zoyankhira za sub-5ms, kuwongolera mphamvu yamafuta.
- Zipangizo Zachipatala: Mavavu ang'onoang'ono m'machitidwe operekera mankhwala amagwiritsa ntchito zisa za Hall thrusters kuti zikhale zolondola kwambiri za nanoliter.
Mapeto
Kupititsa patsogolo nthawi yoyankhira ma valve a micro solenoid kumafuna njira zosiyanasiyana, kuphatikiza sayansi yazinthu, zamagetsi, ndi mphamvu zamadzimadzi. Pogwiritsa ntchito luso lamagetsi lamagetsi, kukonzanso kamangidwe, ndi machitidwe owongolera mwanzeru, mainjiniya amatha kukwaniritsa nthawi zoyankhira za 10ms ndikuwonetsetsa kudalirika pamikhalidwe yovuta kwambiri. Monga mafakitale amafunikira mayankho mwachangu komanso moyenera, kupita patsogolo kumeneku kuyenera kukhala kofunikira kwambiri pamibadwo yotsatira.
Khalani patsogolo pamapindikira—onani kuchuluka kwathu kochita bwino kwambirimavavu a micro solenoidzopangidwira liwiro losayerekezeka komanso kulimba.
inunso mukufuna zonse
Nthawi yotumiza: Apr-07-2025