1. Q: Yongming Capacitors ikunena kuti kukana kwake kugwedezeka kwakula kuchoka pa 5-10g mpaka 10-30g. Kodi "g" iyi ikutanthauza chiyani pa mayeso enieni? Kodi ndi kugwedezeka mwachisawawa kapena kugwedezeka kwa sinusoidal? Kodi miyezo yoyesera ndi iti?
A: Pano, “g” amatanthauza kufulumira kwa mphamvu yokoka, gawo la kufulumira poyesa kugwedezeka. Chigawo cha kukana kugwedezeka kwa 10-30g nthawi zambiri chimachokera pa kuyesa kugwedezeka kwa sinusoidal, komwe kumatsanzira kupsinjika kwa kugwedezeka kwa nthawi ndi nthawi komwe kumachitika ndi chinthucho panthawi yonyamula ndikugwiritsa ntchito. Miyezo yoyesera ya chinthucho imafotokoza za miyezo yamakampani monga IEC 60068-2-6 (International Electrotechnical Commission standard) kuti zitsimikizire kuti makina ake ndi olimba m'malo omwe amagwedezeka kwambiri.
2. Q: Kupatula kukana kugwedezeka, kodi capacitor yamadzimadzi iyi ili ndi ubwino wanji poyerekeza ndi ma capacitor wamba amadzimadzi ndi ma capacitor olimba omwe ali ndi mawonekedwe ofanana malinga ndi ESR (Equivalent Series Resistance) ndi mphamvu ya ripple current?
A: Poyerekeza ndi ma capacitor wamba amadzimadzi, mankhwalawa, kudzera mu foil yokonzedwa bwino ya electrode ndi electrolyte, amawonetsa ESR yotsika komanso ripple current yapamwamba kwambiri pa kutentha kwakukulu kuyambira -40°C mpaka +105°C/125°C. Izi ndizofunikira kwambiri pogwira ntchito ndi ma current pulses akuluakulu mumakina owongolera zamagetsi. Poyerekeza ndi ma capacitor a solid-state, amapereka ndalama zabwino kwambiri pa kutentha kwakukulu komanso ma voltage ratings okwera, ndipo amapewa mawonekedwe a DC bias a ma capacitor a solid-state, zomwe zimapangitsa kuti capacitance ikhale yokhazikika komanso kusintha kwa voltage.
3. Q: Kodi kutentha kwa chipangizochi kumagwira ntchito motani? Makamaka m'malo okwera kwambiri komanso otentha pang'ono omwe ndege zotsika kwambiri zingakumane nawo, kodi mphamvu ya capacitor pa kutentha kochepa imagwira ntchito bwanji (monga ESR imasintha pa -40°C)?
A: Kutentha kwa chipangizochi kuyambira -40°C mpaka +105°C, ndipo mitundu ina imafika +125°C. Pamalo okwera kwambiri komanso otentha pang'ono, takonza bwino kapangidwe ka electrolyte kuti titsimikizire kuti kuwonjezeka kwa ESR kumakhalabe mkati mwa mulingo wowongoleredwa pa kutentha kochepa kwambiri kwa -40°C, kutsimikizira kukhazikika kwa dongosolo panthawi yozizira komanso kutentha kochepa.
4. Q: Kodi kapangidwe ka capacitor ya "mount-mount" ndi kotani kwenikweni? Kodi imathandizira bwanji kuti kugwedezeka kukhale kolimba? Kodi izi zimachitika kudzera mu chopangira chapadera cha potting, kapangidwe ka makina oyambira, kapena kapangidwe ka chimango cha lead?
A: Capacitor ya "mount-mount" imatanthauza phukusi la capacitor core lomwe limayikidwa bwino pa maziko achitsulo kapena resin, kenako limayikidwa pamwamba (SMT) kudzera pa ma pads pa maziko. Kukana kwabwino kwa kugwedezeka kumadalira kwambiri: 1) kapangidwe kolimba ka maziko komwe kamagawa kugwedezeka kuchokera ku PCB kupita ku maziko onse; 2) kukhazikika kolimba kwa phukusi lamkati lamkati kuti lipewe kuyenda kwa ma electrode amkati; ndi 3) chophatikizira chapamwamba kwambiri kuti chiteteze ndikuyamwa mphamvu ya kugwedezeka. Kapangidwe kameneka ka magawo atatu pamodzi kamakwaniritsa kulumpha kwakukulu pakukana kugwedezeka.
5. Q: Ndi mavuto otani omwe ma capacitor amakumana nawo mu madalaivala a pampu yamadzi/mafuta mu makina oyendetsera kutentha kwa magalimoto (monga kutentha kwambiri ndi mphamvu yayikulu ya ripple)? Kodi Yung-Ming amathetsa bwanji mavutowa?
A: Ma capacitor omwe ali mu ma driver a pampu yamadzi/mafuta nthawi zambiri amagwiritsidwa ntchito kusefa ndi kutsekereza mphamvu ya inverter, kuyang'anizana ndi ma ripple currents akuluakulu opangidwa ndi kusintha kwa ma frequency ambiri, kutentha kwakukulu kwa injini, komanso kugwedezeka kwa injini yokha. Zogulitsa zathu, zomwe zili ndi mphamvu yayikulu ya ripple current, kutentha kwakukulu kwa 105°C/125°C, komanso kukana kugwedezeka kwa 10-30g, zimatha kugwira ntchito mokhazikika m'malo ovuta otere, kuonetsetsa kuti kuwongolera kwa mota kuli kolondola komanso kodalirika.
6: Q: Mu makina ofunikira kwambiri pachitetezo monga Electric Power Steering (EPS), ndi njira ziti zolephera za ma capacitor? Kodi Yongming imateteza bwanji kulephera kwakupha monga ma short circuits ndi ma open circuits?
A: Mu EPS, kulephera kwa capacitor (makamaka ma short circuits) kungayambitse kufooka kwa dongosolo. Timakulitsa kudalirika kudzera mu njira zotsatirazi: 1) Kugwiritsa ntchito zipangizo zopangira zoyera kwambiri komanso kuwongolera mwamphamvu njira kuti tichepetse zinyalala zamkati; 2) Kapangidwe ka ma valavu osaphulika (ngakhale kuti ndi mtundu woyika pamwamba, uli ndi njira yochepetsera kupsinjika mu kapangidwe kake); 3) 100% surge current ndipo imapirira mayeso a voltage kuti ichotse kulephera koyambirira. Kuphatikiza apo, kukana kwake kwakukulu kwa kugwedezeka kumaletsa mwachindunji kusweka kwamkati (ma open circuits) kapena ma short circuits omwe amayambitsidwa ndi kugwedezeka.
7: Q: Mu dongosolo lowongolera ndege zapansi, kodi ntchito yaikulu ya ma capacitor ndi yotani? Kodi amagwiritsidwa ntchito posefa mphamvu, kusunga mphamvu, kapena kulumikizana ndi zizindikiro?
A: Imagwiritsidwa ntchito makamaka m'mabwalo amagetsi a makompyuta owongolera ndege ndi ma servo motor driver, imagwira ntchito ngati chowongolera magetsi, fyuluta, komanso chopereka mphamvu yamagetsi ya instantaneous pulse current. Machitidwe owongolera ndege ali ndi zofunikira kwambiri kuti magetsi akhale oyera komanso kuti ayankhe mwachangu; magwiridwe antchito okhazikika a capacitor ndi ofunikira kwambiri kuti zitsimikizire kuti deta ya sensa ndi yankho la servo ndi yolondola.
8: Q: Kugwedezeka kwa mpweya komwe kumachitika chifukwa cha kusintha kwa kayendedwe ka mpweya komwe kumachitika ndi ndege ndi kovuta. Kodi mankhwalawa akonzedwa bwino kuti azitha kugwedezeka pamlingo winawake wa ma frequency (monga 50Hz-2000Hz)?
A: Inde, mayeso athu a kugwedezeka amakhudza ma frequency osiyanasiyana (monga 10Hz mpaka 2000Hz), makamaka magulu a ma frequency apakati mpaka apamwamba omwe amagwirizanitsidwa ndi magwero wamba a kugwedezeka kwa ndege (monga ma mota, ma propeller). Pogwiritsa ntchito kapangidwe kake, ma frequency ake ozungulira amapewa magulu ofunikira awa, motero amasunga magwiridwe antchito pansi pa malo ovuta a kugwedezeka.
9: Q: Ndege zotsika kwambiri zimakhudzidwa kwambiri ndi kulemera. Kodi capacitor iyi imakwanitsa bwanji kugwedezeka kwambiri pamene ikulamulira kulemera ndi kukula kwake? Kodi pali kapangidwe kopepuka?
A: Timagwiritsa ntchito kukana kugwedezeka ndi miniaturization panthawi yopanga. Pogwiritsa ntchito zojambulazo za electrode zokhala ndi mphamvu zambiri kuti tichepetse kuchuluka kwa phukusi lapakati kuti likhale ndi mphamvu yomweyo, komanso mwa kukonza kuchuluka kwa zipangizo zoyambira ndi zomangira, pamene tikukwaniritsa kukana kwa shock kwa 10-30g, kuchuluka kwake ndi kulemera kwake kumakhalabe pamlingo womwewo monga zinthu zachikhalidwe zomwe zili ndi zofunikira zomwezo, kukwaniritsa zofunikira zopepuka za ndege.
10Q: Poyerekeza ndi ma capacitor olimba, ma capacitor amadzimadzi nthawi zambiri amakhala ndi moyo wochepa (kuuma kwa electrolyte). Kodi Yung-Ming amachepetsa bwanji vutoli?
A: Timakulitsa nthawi ya moyo kudzera mu ukadaulo waukulu uwiri: 1) kugwiritsa ntchito electrolyte yophatikizika yokhala ndi mphamvu yamagetsi yothamanga kwambiri komanso mphamvu ya nthunzi yochepa kuti tichepetse kutaya kwa nthunzi pa kutentha kwakukulu; 2) kugwiritsa ntchito chotseka cha rabara chotseka bwino kuti tichepetse kwambiri kulowera kwa electrolyte. Izi zimakulitsa kwambiri nthawi ya moyo wa ma capacitor athu amadzimadzi pa kutentha kwakukulu.
Nthawi yotumizira: Novembala-04-2025