ukadaulo wa Ingiant | Makampani atsopano | Epulo 21, 2025
Pamene kulumikizana kwa 5G kukutchuka mofulumira komanso ukadaulo wa radar ukupitilirabe kupanga zinthu zatsopano, ma RF rotary joints, monga zigawo zazikulu zopezera kutumiza kwa chizindikiro chokhazikika, akuchita gawo lofunika kwambiri. Kaya ndi antenna ya satellite mumlengalenga waukulu kapena mzere wopanga wokha m'malo ovuta pansi, imatha kuonetsetsa kuti ma signal atumizidwa bwino pakati pa zigawo zokhazikika ndi zozungulira. Kenako, tifufuza mwatsatanetsatane zaukadaulo ndi momwe ma RF rotary joints amagwiritsidwira ntchito.
Ⅰ. Kufufuza pakati pa malo olumikizirana a RF
Mfundo yogwirira ntchito ya ma RF rotary joints ndi kuphatikizana pang'ono kwa ma electromagnetism ndi mainjiniya amakina. Imamanga mlatho wa chizindikiro pakati pa mapeto ozungulira ndi mapeto okhazikika kudzera mu zolumikizira zotumizira monga zingwe za coaxial, ma waveguides kapena ulusi wa kuwala. Pakutumiza chizindikiro, mphamvu yamagetsi yamkati ndi mphamvu ya maginito zimalumikizana ndikusintha, ndipo kapangidwe ka makinako kamatenga udindo waukulu - kuonetsetsa kuti kulumikizana kokhazikika panthawi yozungulira kuti tipewe kutayika kwa chizindikiro kapena kusokonekera komwe kumachitika chifukwa cha kukhudzana koyipa, potero zimapangitsa kuti zizindikiro za RF zifalitsidwe bwino komanso mokhazikika.
Ⅱ. Kusanthula mitundu ndi makhalidwe a ma RF rotary joints
(I) Malumikizidwe ozungulira a coaxial a single-channel: otumiza zizindikiro oyambira komanso odalirika
Ma coaxial rotary joints okhala ndi njira imodzi akhala "mphamvu yayikulu" yotumizira zizindikiro za RF imodzi pogwiritsa ntchito kapangidwe kake kosavuta. Potengera gawo loyang'anira chitetezo mwachitsanzo, m'makamera okhala ndi mawonekedwe apamwamba pamalo olumikizirana magalimoto mumzinda, ma coaxial rotary joints okhala ndi njira imodzi angathandize makamera kuti azitha kuzungulira madigiri 360 popanda ma angles akufa, pomwe akuwonetsetsa kuti zizindikiro za makanema zimatumizidwa ku malo owunikira ndi latency yotsika komanso mawonekedwe apamwamba. Ma parameter ake amagetsi wamba ndi awa: kuchuluka kwa ma frequency kumatha kufika DC - 18GHz, kutayika kwa insertion kumayendetsedwa pa 0.3 - 0.5dB, voltage standing wave ratio (VSWR) ≤1.2; pankhani ya katundu wamakina, liwiro lalikulu lingafike 3000rpm, ndipo moyo wozungulira umaposa ma 10 miliyoni, zomwe zingakwaniritse zosowa za ntchito yopitilira nthawi yayitali.
(II) Malumikizidwe ozungulira a coaxial okhala ndi njira zambiri: ogwirizanitsa zizindikiro za machitidwe ovuta
Magawo ozungulira a coaxial a ma channel ambiri amapangidwa kuti akwaniritse kutumiza kwa zizindikiro zingapo nthawi imodzi m'machitidwe ovuta. Mu dongosolo la radar logawika m'magulu ankhondo, limatha kukonza mitundu yosiyanasiyana ya zizindikiro za RF monga zizindikiro zotumizira, zizindikiro zolandirira, ndi zizindikiro zowongolera nthawi imodzi kuti zitsimikizire kuti radar imazindikira zolinga mbali zonse komanso molondola kwambiri. Magawo amagetsi amtunduwu nthawi zambiri amakhala: ma frequency range DC - 12GHz, kutayika kwa single-channel insertion kwa pafupifupi 0.6dB, VSWR≤1.3; pankhani ya magawo amakina, imatha kupirira torque ya 0.5 - 2N・m, ndi liwiro lalikulu la 2000rpm, kuonetsetsa kuti ikugwira ntchito bwino panthawi yotumiza zizindikiro zovuta.
(III) Cholumikizira chozungulira cha mafunde: katswiri wotumiza ma signal muzochitika zamphamvu kwambiri
Cholumikizira chozungulira cha waveguide chimadalira ukadaulo wa waveguide ndipo chili ndi ubwino pazochitika zotumizira ma signal amphamvu kwambiri komanso otsika mtengo. Mu malo olumikizirana a satellite, chimayang'anira kutumiza bwino ma signal amphamvu kwambiri a RF ku ma satellite, kupereka chithandizo cholimba pa kulumikizana kwapadziko lonse lapansi. Ma parameter ake amagetsi ndi abwino kwambiri, kuchuluka kwa ma frequency kumakhala kwakukulu mu 8-18GHz, kutayika kwa insertion ndi 0.3dB yokha, ndipo mphamvu yamagetsi imatha kufika pa kilowatt level; pankhani ya magwiridwe antchito amakina, kulondola kwa kuzungulira ndi kwakukulu kwambiri, nthawi yozungulira imatha kufika ma 8 miliyoni, ndipo imakhala ndi kugwedezeka kwabwino komanso kukana kukhudza, ndipo imatha kusintha malo akunja ovuta.
(IV) Cholumikizira chozungulira cha fiber optic: Chimathandizira kutumiza deta mwachangu kwambiri
Ma fiber optic rotary joints amagwiritsa ntchito ma signal optical ngati zonyamulira ma transmission. Chifukwa cha liwiro lawo lotumiza mwachangu komanso mphamvu yawo yolimbana ndi kusokoneza, akhala chisankho chomwe chimakondedwa kwambiri pankhani yotumiza deta mwachangu. Mu netiweki yolumikizirana ya malo akuluakulu a data, ma fiber optic rotary joints amatha kutsimikizira kutumiza deta mokhazikika pa liwiro la 10Gbps kapena kupitirira apo pakati pa zigawo zolumikizirana zozungulira. Pakati pa magawo ake amagetsi, kutayika kwa insertion ndi pafupifupi 1dB; pankhani ya magawo amakina, liwiro lalikulu ndi 1500rpm, nthawi yozungulira ndi ma 6 miliyoni, ndipo imatha kugwira ntchito bwino pansi pa kutentha ndi chinyezi chosiyana, kuonetsetsa kuti kutumiza deta mokhazikika.
Ⅲ. Kutsegula magawo ofunikira a kapangidwe ka ma RF rotary joints
(I) Magawo amagetsi: zizindikiro zazikulu za khalidwe lotumizira ma siginolo
a. Ma Frequency Range: Gawoli limasankha ma frequency range omwe RF rotary joint ingagwire ntchito bwino. Kuyambira ma signal a low-frequency direct current (DC) mpaka ma high-frequency band a makumi a GHz, mitundu yosiyanasiyana ya ma rotary joints imakhala ndi ma focus osiyana. Mwachitsanzo, single-channel coaxial rotary joint imatha kuphimba ma frequency range ambiri ndipo ndi yoyenera pamitundu yosiyanasiyana ya ma signal transmission; pomwe waveguide rotary joint imakonzedwa kuti ikhale ndi ma high-frequency band enaake kuti ikwaniritse zosowa za ma high-frequency signal transmission.
b. Kutayika kwa mphamvu yolowera: Kumasonyeza kuchuluka kwa mphamvu yolowera ya chizindikiro ikadutsa mu cholumikizira chozungulira, nthawi zambiri mu dB. Kutayika kolowera kukakhala kochepa, mphamvu yolowera imakhala yochepa panthawi yotumizira chizindikiro ndipo mphamvu yotumizira imakhala yokwera. Kawirikawiri, kutayika kwa cholumikizira chozungulira cha coaxial chimodzi kumakhala kochepa, pakati pa 0.3 ndi 0.5 dB; chifukwa cha kapangidwe kovuta ka cholumikizira chozungulira cha coaxial cha njira zambiri, kutayika kwa mphamvu yolowera kudzakhala kwakukulu pang'ono, pakati pa 0.5 ndi 0.8 dB.
c. Chiŵerengero cha mafunde oima pamagetsi (VSWR): Gawoli limagwiritsidwa ntchito poyesa kuwunikira kwa zizindikiro za RF panthawi yotumizira. Mtengo wa VSWR ukayandikira kufika pa 1, kuwunikira kwa chizindikiro kumakhala kochepa ndipo mphamvu yotumizira imakhala yokwera. VSWR ya cholumikizira cha RF chapamwamba kwambiri nthawi zambiri imayendetsedwa pa ≤1.2, zomwe zimatha kuchepetsa bwino kutayika kwa mphamvu ndi kusokoneza komwe kumachitika chifukwa cha kuwunikira kwa chizindikiro.
d. Mphamvu yamagetsi: imatanthauza mphamvu yayikulu kwambiri yomwe cholumikizira chozungulira chingathe kupirira. Mphamvu yeniyeni yotumizira ikapitirira mphamvu imeneyi, ingayambitse kuti zida zitenthe kwambiri, ziwonongeke kapena kulephera. Ma Waveguide rotary joints ali ndi mphamvu yayikulu yofika ma kilowatts chifukwa cha kapangidwe kake ndi zipangizo zake zapadera; coaxial rotary joints ali ndi mphamvu yochepa, nthawi zambiri pafupifupi ma watts mazana angapo.
(II) Magawo a makina: maziko olimba otsimikizira kuti ntchito ikuyenda bwino
a. Liwiro lalikulu: limasonyeza liwiro lalikulu lozungulira lomwe cholumikizira chozungulira chingagwire ntchito mokhazikika. Muzochitika zosiyanasiyana zogwiritsira ntchito, zofunikira pa liwiro zimasiyana kwambiri. Mwachitsanzo, liwiro la mkono wa robotic wa mzere wopanga makina odzipangira okha wa mafakitale lingakhale rpm mazana ochepa okha; pomwe mumakina ena ozungulira a radar othamanga kwambiri, liwiro liyenera kufika 3000rpm. Chifukwa chake, posankha cholumikizira chozungulira, ndikofunikira kuonetsetsa kuti liwiro lake lalikulu likukwaniritsa zofunikira zenizeni zogwiritsira ntchito.
b. Moyo wozungulira: poyezedwa ndi kuchuluka kwa nthawi yozungulira kapena nthawi yogwiritsira ntchito, ndi chizindikiro chofunikira chowunikira kulimba kwa cholumikizira chozungulira. Kawirikawiri, moyo wozungulira wa cholumikizira chozungulira cha RF ndi wopitilira mamiliyoni ambiri kuti zitsimikizire kuti zidazo zikugwira ntchito bwino nthawi yayitali.
c. Torque: mphamvu yofunikira kuti cholumikizira chozungulira chizungulire. Chifukwa cha kapangidwe ka mkati mwa cholumikizira chozungulira cha multi-channel coaxial, mphamvu yomwe ikufunika kupirira ndi yayikulu, nthawi zambiri pakati pa 0.5 ndi 2N・m. Ma torque oyenera amatha kuwonetsetsa kuti cholumikizira chozungulira chikuyenda bwino panthawi yozungulira, kupewa kugwedezeka kwa kuzungulira chifukwa cha mphamvu yokwanira kapena kuwonongeka kwa zigawo chifukwa cha mphamvu yochulukirapo.
d. Kusinthasintha kwa chilengedwe: kumakhudza zinthu zingapo monga kutentha kwa ntchito, chinyezi, ndi kuchuluka kwa fumbi ndi madzi. Malo olumikizirana omwe amagwiritsidwa ntchito panja ayenera kukhala ndi mulingo woteteza wa IP65 kapena kupitirira apo kuti asalowe fumbi ndi mvula; nthawi yomweyo, kutentha kwa ntchito nthawi zambiri kumafunika kukhala -40℃ - 85℃ kuti azitha kusintha malinga ndi kusintha kwa chilengedwe m'madera ndi nyengo zosiyanasiyana.
Ⅳ. Yang'anani kwambiri pakugwiritsa ntchito bwino ma RF rotary joints mumakampani
(I) Gulu lankhondo: Kupanga mzere wolimba waukadaulo woteteza chitetezo cha dziko
Mu dongosolo latsopano la radar yochenjeza za chitetezo cha mlengalenga, ma coaxial RF rotary joints ambiri amagwira ntchito yofunika kwambiri. Dongosolo la radar liyenera kutumiza ndikulandira zizindikiro kuchokera ku ma frequency band angapo nthawi imodzi kuti lipeze kuzindikira konse ndikutsatira molondola zolinga za mlengalenga. Kudzera mu cholumikizira chozungulira cha coaxial cha multi-channel, antenna ya radar imatha kuchita scan yozungulira madigiri 360 mosalekeza, ndipo magawo ake amagetsi amakwaniritsa mokwanira zofunikira za frequency range DC - 12GHz, kutayika kwa insertion kosakwana 0.8dB, ndi VSWR≤1.3, kukonza bwino mtunda wozindikira, kulondola komanso kudalirika kwa radar, ndikupereka chitsimikizo champhamvu cha chitetezo cha dziko.
(II) Gawo lolumikizirana: Kumanga mlatho wa chizindikiro cha kulumikizana kwapadziko lonse lapansi
Mu netiweki ina yapadziko lonse yolumikizirana ndi satelayiti, ma waveguide RF rotary joints amagwiritsidwa ntchito m'makina akuluakulu a antenna m'malo olumikizirana pansi. Pamene satelayiti ikupitirira kuyenda mumlengalenga, antenna ya siteshoni ya pansi iyenera kusintha njira yake nthawi yeniyeni kuti isunge kulumikizana ndi satelayiti. Cholumikizira chozungulira cha waveguide, chokhala ndi mphamvu zambiri komanso mawonekedwe otsika otsika, chimatumiza mosalekeza ma signal amphamvu kwambiri a RF. Ma frequency ake ndi 8-18GHz, kutayika kwa 0.3dB, ndi mphamvu ya 1000W zimathandizira kwambiri kuchuluka kwa kutumiza deta pakati pa siteshoni ya pansi ndi satelayiti, zimachepetsa kwambiri kuchedwa kwa kulumikizana, komanso zimapangitsa kulumikizana mwachangu komanso kokhazikika padziko lonse lapansi.
(III) Makina Oyendetsera Mafakitale: Njira Yoyendetsera Injini Yanzeru
Mu mzere wodzipangira wokha wa kampani inayake yopanga magalimoto, cholumikizira chozungulira cha coaxial RF cha single-channel chimayikidwa pa gawo lozungulira la mkono wa roboti. Mkono wa roboti umafunika kuzungulira pafupipafupi pakuwotcherera, kupopera, kusonkhanitsa ndi njira zina, komanso nthawi yomweyo kutumiza zizindikiro zowongolera ndi deta ya sensa kuti zitsimikizire kuti zikugwira ntchito molondola. Magawo a cholumikizira chozungulira chokhala ndi ma frequency a DC-18GHz, kutayika kwa 0.5dB, VSWR≤1.2, ndi liwiro lalikulu la 3000rpm amasinthidwa bwino kuti agwirizane ndi zofunikira za mkono wa roboti. Ngakhale mu ntchito zopangira zamphamvu komanso zazitali, zimatha kuonetsetsa kuti chizindikiro chokhazikika chimatumizidwa, ndikukweza bwino mulingo wodzipangira komanso magwiridwe antchito a mzere wopanga, ndikuchepetsa ndalama zogwirira ntchito komanso mitengo yolakwika yazinthu.
Ⅴ. Dziwani njira yothandiza yosankhira ma RF rotary joints
Kuti musankhe cholumikizira chozungulira cha RF choyenera, ndikofunikira kuphatikiza momwe ntchitoyo ikuyendera ndikuganizira bwino zinthu zotsatirazi:
a. Kufananiza ma frequency ogwirira ntchito: Malinga ndi ma frequency a chizindikiro chomwe chikufunika kuti chitumizidwe ndi makina, sankhani cholumikizira chozungulira chomwe chingaphimbe bwino ma frequency kuti mupewe kufalikira kwa ma signal osayenera chifukwa cha kusagwirizana kwa ma frequency.
b. Mphamvu yonyamulira mphamvu: Malinga ndi kukula kwenikweni kwa mphamvu ya makinawo, sankhani cholumikizira chozungulira chokhala ndi mphamvu zokwanira komanso malire enaake kuti mupewe kulephera kwa zida chifukwa cha kuchuluka kwa mphamvu.
c. Kugwira ntchito bwino kwa chizindikiro: Ikani patsogolo zinthu zomwe zili ndi kutayika kochepa kwa chizindikiro ndi VSWR pafupi ndi 1 kuti zitsimikizire kuti chizindikirocho chikugwira ntchito bwino komanso kukhazikika kwake panthawi yotumizira.
d. Kusintha magwiridwe antchito a makina: Ganizirani mokwanira magawo a makina monga liwiro lalikulu, nthawi yozungulira, mphamvu, ndi zina zotero kuti muwonetsetse kuti cholumikizira chozungulira chikhoza kusintha malinga ndi momwe zinthu zilili komanso nthawi yogwirira ntchito ya chipangizocho.
e. Kusinthasintha kwa chilengedwe: Malinga ndi makhalidwe a malo ogwiritsira ntchito, monga kutentha, chinyezi, fumbi, mpweya wowononga, ndi zina zotero, sankhani cholumikizira chozungulira chokhala ndi mulingo wofanana wotetezera komanso kusinthasintha kwa chilengedwe kuti muwonetsetse kuti zida zikugwira ntchito bwino pamalo ovuta.
Ⅵ. Kukula kwamtsogolo kwa ma RF rotary joints
Ndi chitukuko cha sayansi ndi ukadaulo mwachangu, ma RF rotary joints apitiliza kusintha kukhala ma miniaturization, integration, ndi luntha. Zogulitsa za Ingiant Technology zolumikizirana zapangidwa kuti zitumize chizindikiro cha RF, ndi pafupipafupi pa 40GHz. Kapangidwe ka coaxial contact kumapatsa cholumikizira bandwidth yotakata kwambiri komanso palibe pafupipafupi yodulira. Kapangidwe ka multi-contact kamachepetsa bwino jitter, kukula konse ndi kochepa, ndipo cholumikiziracho ndi cholumikizira ndipo n'chosavuta kuyika. Mphamvu yamagetsi, voltage, chipolopolo ndi mtundu zitha kusinthidwa. Ndikukhulupirira kuti kampani ya Ingiant ipitiliza kuyika chilimbikitso champhamvu mu luso ndi chitukuko cha mafakitale osiyanasiyana.
Nthawi yotumizira: Epulo-21-2025