tekinoroji huru | Indasitiri itsva | Kubvumbi 21.2025
Sezvo kutaurirana kwe5G kuri kukurumidza kufarirwa uye tekinoroji yeradar iri kuramba ichiwedzera hunyanzvi, maRF rotary joints, sezvikamu zvikuru zvekuwana kutumirwa kwemasaini kwakasimba, ari kutamba basa rakakosha zvakanyanya. Ingave iri antenna yesatellite iri munzvimbo yakakura kana mutsetse wekugadzira otomatiki munzvimbo yakaoma pasi, inogona kuve nechokwadi chekuti masaini anotumirwa zvakanaka pakati pezvikamu zvakagadzika uye zvinotenderera. Tevere, tichaongorora ruzivo rwehunyanzvi uye mashandisirwo anoshanda emaRF rotary joints.
Ⅰ. Kuongorora kushanda kwepakati pemajoini eRF anotenderera
Nheyo yekushanda kwemajoini eRF anotenderera ndeyekubatanidza zvishoma kwemagetsi emagetsi neinjiniya yemakanika. Inovaka zambuko rechiratidzo pakati pemagumo anotenderera nemagumo akagadzika kuburikidza nemidziyo yekutumira senge tambo dzecoaxial, mafungu emagetsi kana mafiber emagetsi. Munguva yekutumira masaini, munda wemagetsi wemukati nemunda wemagineti zvinobatana uye zvinoshanduka, uye chimiro chemakanika chinotora basa guru - kuve nechokwadi chekuti kubatana kwakasimba panguva yekutenderera kudzivirira kurasikirwa kwechiratidzo kana kukanganisa kunokonzerwa nekubatana kusina kunaka, nokudaro zvichiita kuti kutumirwa kwemasaini eRF kuve kwakasimba uye kwakanaka.
Ⅱ. Kuongororwa kwemhando uye hunhu hwemajoini eRF anotenderera
(I) Majoini anotenderera ecoaxial ane chiteshi chimwe chete: vatumwa vechiratidzo vepakutanga uye vakavimbika
Majoini anotenderera ecoaxial ane chiteshi chimwe chete ave "simba guru" rekutumira masaini eRF imwe chete nekugadzirwa kwawo kuri nyore. Tichitora munda wekutarisa kuchengetedzeka semuenzaniso, mumakamera ane tsananguro yepamusoro panosangana traffic muguta, majoini anotenderera ecoaxial ane chiteshi chimwe chete anogona kubatsira makamera kuwana kutenderera kwemadhigirii 360 pasina maengeli asina kufa, ukuwo achiona kuti masaini evhidhiyo anotumirwa kunzvimbo yekutarisa ine latency yakaderera uye tsananguro yepamusoro. Maparamita ayo emagetsi akajairika ndeaya: frequency range inogona kusvika DC - 18GHz, insertion loss inodzorwa pa 0.3 - 0.5dB, voltage standing wave ratio (VSWR) ≤1.2; maererano nehunyanzvi hwemakanika, kumhanya kwakanyanya kunogona kusvika 3000rpm, uye hupenyu hwekutenderera hunopfuura mamiriyoni gumi ekuchinja, izvo zvinogona kusangana nezvinodiwa zvebasa rinoenderera mberi kwenguva refu.
(II) Majoini anotenderera ecoaxial akawanda: masaini anogadzirisa masisitimu akaomarara
Majoini e rotary e multi-channel coaxial akagadzirwa kuti akwanise kutumirwa panguva imwe chete kwemasaini akawanda mumasisitimu akaomarara. Musystem ye radar ine zvikamu muchikamu chemauto, inogona kugadzirisa panguva imwe chete mhando dzakasiyana dzemasaini eRF dzakadai semasaini ekutumira, masaini ekugamuchira, uye masaini ekutonga kuona kuti radar inoona zvinangwa kumativi ese uye nekunyatsojeka. Maparamita emagetsi erudzi urwu rwejoini anowanzo kuve: frequency range DC - 12GHz, kurasikirwa kwe single-channel insertion kweinenge 0.6dB, VSWR≤1.3; maererano nemaparamita emakanika, inogona kumira torque ye0.5 - 2N・m, uye kumhanya kwakanyanya kwe2000rpm, zvichiita kuti ishande zvakanaka panguva yekutumira masaini akaomarara.
(III) Joint inotenderera yeWaveguide: nyanzvi yekutumira masaini muzviitiko zvine simba guru
Joint inotenderera yewaveguide inoshandisa tekinoroji yewaveguide uye ine mukana mukutumira masaini ane simba guru uye asina kurasikirwa zvakanyanya. Munzvimbo dzepasi dzekutaurirana nesatellite, ine basa rekutumira masaini eRF ane simba guru kumasatellite zvinobudirira, zvichipa rutsigiro rwakasimba rwekutaurirana kwepasi rose. Maparamita ayo emagetsi akanaka kwazvo, huwandu hwemafrequency hwakanyanya kuunganidzwa mu8-18GHz, kurasikirwa kwekuisa i0.3dB chete, uye kugona kwesimba kunogona kusvika padanho re kilowatt; maererano nekushanda kwemakanika, kururama kwekutenderera kwakanyanya kwazvo, hupenyu hwekutenderera hunogona kusvika mamiriyoni masere ekuchinja, uye ine vibration yakanaka uye inodzivirira kukanganiswa, uye inogona kuchinjika munzvimbo dzakaoma dzekunze.
(IV) Fiber optic rotary joint: Yakatanga mukutumira data nekukurumidza
Majoini eFiber optic anotenderera anoshandisa masaini ekuona seanotakura ma transmission. Nekukurumidza kwawo kutumira uye kugona kwawo kudzivirira kukanganiswa, ave sarudzo inosarudzwa mumunda wekutumira data nekukurumidza. Mune network yekutaurirana kwe optical yenzvimbo huru dzedata, majoini e fiber optic anotenderera anogona kuve nechokwadi chekuti data rinotumirwa zvakagadzikana padanho re10Gbps kana kupfuura pakati pezvikamu zvekubatanidza zvinotenderera. Pakati pema parameter ayo emagetsi, kurasikirwa kwekuisa kuri kungoita 1dB; maererano nema mechanical parameters, kumhanya kwakanyanya i1500rpm, hupenyu hwekutenderera hunosvika mamiriyoni matanhatu ekuchinja, uye inogona kushanda zvakajairika munzvimbo dzakasiyana dzekupisa nehunyoro, ichivimbisa kutapurirana kwedata kwakasimba.
Ⅲ. Kuvhura magadzirirwo akakosha emajoini eRF anotenderera
(I) Zviyero zvemagetsi: zviratidzo zvikuru zvemhando yekutumira masaini
a. Frequency range: Iyi parameter inosarudza frequency range iyo RF rotary joint inogona kushanda nayo zvinobudirira. Kubva ku low-frequency direct current signals (DC) kusvika ku high-frequency frequency bands yemakumi eGHz, mhando dzakasiyana dze rotary joints dzine focus dzakasiyana. Semuenzaniso, single-channel coaxial rotary joint inogona kufukidza frequency range yakakura uye yakakodzera kune akasiyana-siyana masignal transmission; nepo waveguide rotary joint yakagadziriswa kune specific high-frequency band kuti isangane nezvinodiwa zve high-frequency signal transmission.
b. Kurasikirwa kwekuisa: Kunoratidza mwero wekurasikirwa kwesimba kwechiratidzo kana chikapfuura nepajoini rinotenderera, kazhinji mu dB. Kurasikirwa kwekuisa kwakaderera, kurasikirwa kwesimba kushoma panguva yekutumira masaini uye kushanda zvakanaka kwekutumira. Kazhinji, kurasikirwa kwekuisa kwejoini rinotenderera re coaxial rimwe chete kwakaderera, pakati pe 0.3 ne 0.5 dB; nekuda kwechimiro chakaoma chejoini rinotenderera re coaxial rine migero yakawanda, kurasikirwa kwekuisa kuchave kwakakwira zvishoma, pakati pe 0.5 ne 0.8 dB.
c. Voltage standing wave ratio (VSWR): Iyi parameter inoshandiswa kuyera kuratidzwa kwezviratidzo zveRF panguva yekutumirwa. Kana kukosha kweVSWR kuri padyo ne1, kuratidzwa kwechiratidzo kudiki uye kushanda kwekutumira kwacho kwakakwira. VSWR yeRF rotary joint yepamusoro inowanzo dzorwa pa ≤1.2, izvo zvinogona kuderedza kurasikirwa kwesimba nekukanganiswa kunokonzerwa nekuratidzwa kwechiratidzo.
d. Kugona kwesimba: zvinoreva simba guru rinogona kutsungirira jira rinotenderera. Kana simba rekutumira rikanyanya kupfuura simba iri, zvinogona kukonzera kuti michina iwedzere kupisa, kukuvara kana kutokundikana. Majoini anotenderera eWaveguide ane simba guru rinosvika makilowatts nekuda kwechimiro chavo chakasiyana uye zvinhu; majoini anotenderera ecoaxial ane simba shoma, kazhinji anenge mazana mashoma emawatts.
(II) Magadzirirwo emakanika: hwaro hwakasimba hwekuona kuti kushanda kwakasimba
a. Kumhanya kwakanyanya: kunoratidza kumhanya kukuru kwekutenderera uko rotary joint inogona kushanda zvakatsiga. Mumamiriro akasiyana ekushandisa, zvinodiwa zvekumhanya zvinosiyana zvakanyanya. Semuenzaniso, kumhanya kwerobhoti ruoko rwekugadzira otomatiki yeindasitiri kunogona kunge kuri mazana mashoma rpm; nepo mune mamwe masisitimu eradar anotenderera nekukurumidza, kumhanya kunofanirwa kusvika 3000rpm. Saka, pakusarudza rotary joint, zvakakosha kuve nechokwadi chekuti kumhanya kwayo kukuru kunosangana nezvinodiwa chaizvo zvekushandisa.
b. Hupenyu hwekutenderera: huchiyerwa nehuwandu hwekutenderera kana nguva yekushandiswa, chiratidzo chakakosha chekuongorora kugara kwenguva refu kwejoin rinotenderera. Kazhinji, hupenyu hwekutenderera kwejoin rinotenderera reRF hunopfuura mamiriyoni ekuchinja kuti ive nechokwadi chekuti michina inochengetedza kushanda kwakasimba panguva yekushanda kwenguva refu.
c. Torque: torque inodiwa kuti rotary joint itenderere. Nekuda kwechimiro chakaoma chemukati che multi-channel coaxial rotary joint, torque yainofanira kutsungirira yakakura, kazhinji iri pakati pe 0.5 ne 2N・m. Torque dzakakodzera dzinogona kuona kuti rotary joint inofamba zvakanaka panguva yekutenderera, kudzivirira kutenderera kusingashande nekuda kwe torque yakakwana kana kukuvara kwechikamu nekuda kwe torque yakawandisa.
d. Kuchinjika kwezvakatipoteredza: kunosanganisira zvinhu zvakawanda zvakaita sekupisa kwekushanda, hunyoro, uye huwandu hweguruva nemvura. Majoini anotenderera anoshandiswa panze anofanira kunge aine huwandu hwedziviriro yeIP65 kana kupfuura kuti adzivise kupinda kweguruva nemvura; panguva imwe chete, tembiricha yekushanda inowanzo fanirwa kuva -40℃ - 85℃ kuti ienderane nekuchinja kwezvakatipoteredza munzvimbo dzakasiyana nemwaka.
Ⅳ. Tarisa pakushandiswa kweRF rotary joints muindasitiri
(I) Nzvimbo yemauto: Kuvaka mutsetse wakasimba wekudzivirira wekuchengetedza nyika
Muhurongwa hutsva hwekudzivirira mhepo nekukurumidza, majoini e-coaxial RF anotenderera ane nzira dzakawanda anoita basa risingatsiviwi. Hurongwa hweradar hunofanirwa kutumira nekugamuchira zviratidzo kubva kumabhendi akawanda efrequency panguva imwe chete kuti huonekwe nekutarisa kwakarurama kwezvinangwa zvemuchadenga. Kuburikidza nejoini re-coaxial rotary rine nzira dzakawanda, antenna yeradar inogona kuita scanning yekutenderera ye360-degree isina kukanganiswa, uye maparamita ayo emagetsi anozadzisa zvizere zvinodiwa zvefrequency range DC - 12GHz, kurasikirwa kwekuisa pasi pe0.8dB, uye VSWR≤1.3, zvichivandudza daro rekuona, kururama uye kuvimbika kweradar, uye kupa vimbiso yakasimba yekuchengetedzwa kwenyika.
(II) Nzvimbo yekutaurirana: Kuvaka zambuko rechiratidzo chekubatana kwepasi rose
Mune imwe network yekutaurirana nesatellite yepasi rose, majoini eRF anotenderera anoshandiswa mumasisitimu makuru eantenna epasi. Sezvo satellite ichiramba ichifamba muchadenga, antenna yepasi pechiteshi inofanira kugadzirisa divi rayo panguva chaiyo kuti irambe iine kubatana nesatellite. Joini yewaveguide inotenderera, ine simba rayo guru uye hunhu hwayo hwekurasikirwa hushoma, inotumira zviratidzo zveRF zvine simba rakawanda. Mafrequency ayo e8-18GHz, kurasikirwa kwe0.3dB, uye simba re1000W zvinovandudza zvakanyanya mwero wekutumira data pakati pechiteshi chepasi nesatellite, zvinoderedza zvakanyanya kunonoka kwekutaurirana, uye zvinowana kutaurirana kwakasimba uye kwakagadzikana pasi rose.
(III) Kugadzira otomatiki kwemaindasitiri: Kugadzira kwehunyanzvi kunotungamira injini huru
Mumutsetse wekugadzira otomatiki wekambani inogadzira mota, jira rimwe chete re coaxial RF rinotenderera rinoiswa pachikamu chinotenderera cheruoko rwerobhoti. Ruoko rwerobhoti runofanira kutenderera kakawanda mukunamira, kupfapfaidza, kuunganidza uye mamwe maitiro, uye panguva imwe chete kutumira masaini ekudzora uye data re sensor kuti ive nechokwadi chekushanda kwakarurama. Maparamita ejira rinotenderera rine frequency range yeDC-18GHz, kurasikirwa kwekuisa kwe0.5dB, VSWR≤1.2, uye kumhanya kwakanyanya kwe3000rpm akagadzirirwa zvakakwana zvinodiwa zveruoko rwerobhoti. Kunyangwe mumabasa ekugadzira akasimba uye kwenguva refu, inogona kuve nechokwadi chekutumirwa kwechiratidzo kwakasimba, ichivandudza zvinobudirira mwero weotomatiki uye kushanda zvakanaka kwemutsara wekugadzira, uye kuderedza mari yevashandi uye mitengo isina kunaka yechigadzirwa.
Ⅴ. Dzidza nzira inoshanda yekusarudza majoini eRF anotenderera
Kuti usarudze RF rotary joint yakakodzera, zvakakosha kusanganisa mamiriro chaiwo ekushandiswa uye kufunga zvizere nezvezvinhu zvinotevera:
a. Kufananidza mafrequency ekushanda: Zvichienderana nefrequency yechiratidzo chinodiwa kuti chitumirwe nesystem, sarudza rotary joint inogona kufukidza zvizere frequency range kudzivirira signal transmission isina kujairika nekuda kwekusawirirana kwemafrequency.
b. Kugona kutakura simba: Zvichienderana nehukuru chaihwo hwesimba resisitimu, sarudza jira rinotenderera rine simba rakakwana uye mukana wakati wekudzivirira kutadza kwemidziyo kunokonzerwa nekuwanda kwesimba.
c. Kushanda zvakanaka kwekutumira masaini: Isa zvinhu zvine kurasikirwa kwakaderera kwekuisa uye VSWR iri pedyo ne1 kuti uve nechokwadi chekuti chiratidzo chinoshanda zvakanaka uye chakasimba panguva yekutumira masaini.
d. Kugadziriswa kwekushanda kwemuchina: Funga zvakadzama nezvemagadzirirwo emuchina akadai sekumhanya kwakanyanya, hupenyu hwekutenderera, torque, nezvimwewo kuti uve nechokwadi chekuti rotary joint inogona kuchinjika kumamiriro ekushanda uye zvinodiwa zvehupenyu hwekushanda kwemuchina.
e. Kuchinjika kwezvakatipoteredza: Zvichienderana nehunhu hwenzvimbo yekushandisa, senge tembiricha, hunyoro, guruva, magasi anoparadza, nezvimwewo, sarudza chisungo chinotenderera chine mwero wekudzivirira unoenderana uye kuchinjika kwezvakatipoteredza kuti uve nechokwadi chekushanda kwakajairika kwemidziyo munzvimbo yakaoma.
Ⅵ. Kugadzirwa kwemangwana kwemajoini eRF anotenderera
Nekukura kuri kuita sainzi netekinoroji nekukurumidza, majoini eRF anotenderera acharamba achichinja kuita kuti ave madiki, anobatanidzwa, uye ave nehungwaru. Zvigadzirwa zveIngiant Technology zvakagadzirwa kuti zvitumirwe masaini eRF, zvine frequency yakanyanya ye40GHz. Dhizaini yekubatana kwecoaxial inopa chinongedzo bandwidth yakakura uye isina frequency yekucheka. Chimiro chekubatana kwakawanda chinoderedza jitter, saizi yacho idiki, uye chinongedzo chacho chiri nyore kuisa. Current, voltage, shell neruvara zvinogona kugadziriswa. Ndinotenda kuti kambani yeingiant icharamba ichiisa simba guru mukuvandudza nekusimudzira maindasitiri akasiyana-siyana.
Nguva yekutumira: Kubvumbi-21-2025