Iivalvu ze-solenoid ezincincidlala indima ebaluleke kakhulu kumashishini ukusuka kwi-aerospace ukuya kwizixhobo zonyango, apho ulawulo lwe-fluid lwesibini lwesibini lubalulekile. Ukulibaziseka kwixesha labo lokuphendula kunokuphazamisa ukusebenza kakuhle kwenkqubo, ukuchaneka, kunye nokhuseleko. Esi sikhokelo sibanzi siphonononga izicwangciso-qhinga zokusika ukunyusa ukusebenza kwevalvu ye-solenoid encinci, exhaswa lusetyenziso lwehlabathi lokwenyani kunye nezinto ezintsha kwishishini.
1. Uyilo lweSekethe yeMagnetic kunye noPhuculo lweMathiriyeli
Intliziyo yayo nayiphi na ivalve ye-solenoid yisekethe yayo yemagnethi. Ukuveliswa kwezinto ezintsha kule ndawo kuqhubele phambili ukuphuculwa okuphawulekayo kwisantya sokuphendula. Umzekelo, iChina Aerospace Science and Technology Corporation iphuhlise ivalve ekhaphukhaphu ye-cryogenic solenoid yeenjini zolwelo zeoksijini-methane, ifezekisa ukucuthwa kwexesha lokuphendula nge-20% ngokulungiswa kosasazo lwemagnethi. Ubuchule obuphambili bubandakanya:
- I-High-Permeability Cores: Ukusebenzisa imathiriyeli enemagnethi ethambileyo efana ne-iron-silicon alloys okanye i-powder metallurgy (PM) amacandelo aphucula saturation magnetic, ukunciphisa ixesha amandla.
- Izangqa zeMagnetic Isolation: Ukubekwa ngobuchule kwezangqa zokwahlula kunciphisa imisinga yeeddy, kuphucula ukuphendula okuguquguqukayo. Uphononongo lubonisa ukuba ukulungelelanisa indawo yeringi ecaleni kwe-z-axis kunokunciphisa ixesha lokuphendula ukuya kuthi ga kwi-30%.
- I-Ultra-High-High-Temperature Sintering: Ukufudumeza amacandelo e-PM ukuya kwi-2500 ° F ngexesha lokwenziwa konyusa ubungakanani beenkozo kunye nokungena kwemagnethi, okukhokelela kwi-magnetization ekhawulezayo.
2. UYilo ngokutsha loLwakhiwo lokuFaneka koomatshini
Ukunganyangeki koomatshini yeyona nto ingundoqo ekuphenduleni ivalvu. Iinjineli ziphinda zicinge ngoyilo lwevalvu ukoyisa oku:
- IiActuator eziKhala: Ukutshintsha iintsimbi zentsimbi zemveli kunye ne-titanium okanye i-carbon-fiber composite kunciphisa inertia. Ngokomzekelo, i-valve ye-injini ye-300N LOX-methane iphumelele amaxesha okuphendula angaphantsi kwe-10ms usebenzisa izinto ezilula.
- IiNkqubo zeNtwasahlobo ezilungiselelwe: Ukulinganisa ukuqina kwentwasahlobo kuqinisekisa ukuvala ngokukhawuleza ngaphandle kokubeka esichengeni amandla okutywinwa. Uyilo lwesihlalo esithambekileyo kwiivalvu ze-cryogenic zigcina uxinzelelo oluphezulu lokutywina kumaqondo obushushu aphantsi ngelixa uvumela ukuhamba ngokukhawuleza .
- Ukuphuculwa kweNdlela ye-Fluid: Imijelo yangaphakathi elungelelanisiweyo kunye neengubo ezisezantsi ezixutywayo (umzekelo, i-PTFE) zinciphisa ukuchasana nokuhamba. Ivalve yokwandisa igesi yeLimaçon izuze ukuphuculwa kweempendulo ezingama-56–58% ngokunciphisa ukudubadubeka kwamanzi.
3. Ulawulo oluPhezulu lwe-Electronics kunye neSoftware
Iinkqubo zanamhlanje zolawulo ziguqula amandla evalvu:
- Ukumodareyitha kwe-PWM: UkuModareyitha koBububanzi bePulse (PWM) enemisinga ephezulu yokubamba imisinga kunciphisa ukusetyenziswa kwamandla ngelixa kugcinwa ukusebenza ngokukhawuleza. Uphononongo olusebenzisa i-Response Surface Methodology (RSM) yafumanisa ukuba ukulungelelanisa iiparamitha ze-PWM (umz., i-12V, ukulibaziseka kwe-15ms, i-5% yomjikelo womsebenzi) kunokunciphisa ixesha lokuphendula nge-21.2%.
- Ulawulo oluNgqobileyo lwangoku: Abaqhubi abakrelekrele abanjengomlawuli weBurkert 8605 bahlengahlengisa okwangoku ngexesha lokwenyani ukuze bahlawulele ukufudumeza kweekhoyili, ukuqinisekisa ukusebenza okufanayo.
- I-Predictive Algorithms: Iimodeli zokufunda ngoomatshini zihlalutya idatha yembali ukuxela kwangaphambili kunye nokulibaziseka kwangaphambili okubangelwa kukunxitywa okanye iimeko zokusingqongileyo.
4. Ulawulo lwe-Thermal kunye noLungelelwaniso lweNdalo
Ubushushu obugqithisileyo bunokuchaphazela kakhulu ukusebenza kwevalvu. Izisombululo ziquka:
- I-Cryogenic Insulation: Iivalve ze-Aerospace-grade zisebenzisa i-air-gap ye-air-gap kunye nezithintelo ze-thermal ukugcina amaqondo okushisa azinzileyo phakathi kwe-60 ° C kunye ne-40 ° C.
- Ukupholisa okuSebenzayo: Imijelo yeMicrofluidic edityaniswe kwimizimba yevalvu ikhupha ubushushu, inqanda ukwanda kobushushu obudala ukulibaziseka.
- Izixhobo ezixhathisa ubushushu: Iimpawu zerubha ze-Nitrile kunye nezixhobo zensimbi ezingenasici zimelana nokuguquka ukusuka -196 ° C ukuya kwi-100 ° C, ukuqinisekisa ukuthembeka kwizicelo ze-cryogenic kunye nokushisa okuphezulu.
5. Uvavanyo kunye nokuqinisekiswa
Umlinganiselo ochanekileyo ubalulekile ekuphuculeni. Imigangatho yoshishino efana ne-ISO 4400 ifuna amaxesha okuphendula angaphantsi kwe-10ms kwiivalvu ezisebenza kakhulu. Iimvavanyo eziphambili ziquka:
- Uhlalutyo lokuphendula: Ukulinganisa ixesha lokufikelela kwi-90% yoxinzelelo olupheleleyo ngexesha lokuvula kunye ne-10% ngexesha lokuvala.
- Uvavanyo loBomi bonke: Ivalve ye-300N LOX-methane ifumene imijikelo engama-20,000 yokutyhileka kwenitrogen engamanzi ukuqinisekisa ukuqina.
- Uvavanyo loxinzelelo lweDynamic: Izinzwa zoxinzelelo oluphezulu zibamba ukusebenza ngexesha langempela phantsi kwemithwalo eyahlukeneyo.
6. Ii-Real-World Applications
- I-aerospace: Iivalvu ezikhaphukhaphu ezikhalayo zenza ulawulo lwe-vector oluchanekileyo kwiirokethi ezinokusetyenziswa kwakhona.
- I-Automotive: I-injection ye-fuel esebenzisa i-solenoids elawulwa yi-PWM ifezekisa amaxesha okuphendula angaphantsi kwe-5ms, ukuphucula ukusebenza kakuhle kwamafutha.
- Izixhobo zoNyango: Iivalvu ezincinci kwiinkqubo zokuhanjiswa kweziyobisi zisebenzisa i-Woll thrusters enendlwana yokuchaneka kwe-nanoliter-scale.
Ukuqukumbela
Ukwandisa ixesha lokuphendula ivalve ye-solenoid encinci kufuna indlela ye-multidisciplinary, ukudibanisa izinto zesayensi, i-electronics, kunye ne-fluid dynamics. Ngokuphumeza iinguqulelo zesekethe yamagnetic, uhlengahlengiso lwezakhiwo, kunye neenkqubo zolawulo olukrelekrele, iinjineli zinokufikelela amaxesha okuphendula angaphantsi kwe-10ms ngelixa ziqinisekisa ukuthembeka kuzo zonke iimeko ezigqithisileyo. Njengoko imizi-mveliso ifuna izisombululo ezikhawulezayo nezisebenzayo ngakumbi, ezi nkqubela phambili ziya kuhlala zibalulekile kubunjineli obuchanekileyo besizukulwana esilandelayo.
Hlala uphambi kwegophe-phonononga uluhlu lwethu lokusebenza okuphezuluiivalvu ezincinci ze-solenoidyenzelwe isantya esingahambelaniyo kunye nokuqina.
nawe uthanda zonke
Ixesha lokuposa: Apr-07-2025