Masisitimu eVhidhiyo eIngiant Medium Frequency Slip-Ring anoshandiswa zvakanyanya

1. Pfupiso yeChigadzirwa

Gwaro iri rinotsanangura chisungo chinotenderera chine frequency yepamusoro chisina kujairika, chakagadzirwa nenzira yakasarudzika chakagadzirirwa kutapurirana nguva dzose kwezviratidzo zveRF kuburikidza neinterfaces dzinotenderera. Chishandiso ichi chinotsigira nzira nhatu dzakazvimiririra dze50Ω pamusoro pehuwandu hwefrequency hwe1–5.25GHz, zvichiita kuti chikodzere radar, kutaurirana kwesatellite, mabhenji ekuedza ehondo yemagetsi, masisitimu ekuisa antenna, uye ma turntable ekuyera microwave.

Kusiyana nemhete dzemazuva ano dzinofambisa simba kana masaini anotenderera zvishoma, iyi rotary joint inochengetedza kusimba kwechiratidzo - kusanganisira kurasikirwa nekuisa, VSWR, isolation, uye phase stability - panguva yekutenderera kwe360° nguva dzose. Inopindirana nedambudziko guru reinjiniya rekuchengetedza mashandiro eRF pakati pemapuratifomu asingachinji uye anotenderera pasina kutenderedza tambo, kuneta kwekukotama, kana kukanganiswa kwechiratidzo.

2. Tafura Yese Yeparamita

Magadzirirwo eMichina & Zvezvakatipoteredza

3. Kududzirwa kweMagadzirirwo eUinjiniya eMagadzirirwo Akakosha

3.1 Frequency Range: 1 – 5.25 GHz

Rudzi urwu runofukidza L-band (1–2 GHz), S-band (2–4 GHz), uye chikamu chezasi cheC-band (4–5.25 GHz). Mashandisirwo akajairika anosanganisira:

• L-band: GPS, BeiDou, IFF (Shamwari kana Muvengi), radar yekudzora mafambiro emhepo
• S-band: radar yemamiriro ekunze, radar yekutarisa ngarava, downlinks dzekutaurirana nesatellite
• C-band: mamwe ma "uplinks" eTV yesatellite, ma "links" e "microwave" ari kure

Mashanduro akagadzirwa anogona kuwedzera kufukidzwa kwemafrequency kubva kuDC kusvika ku18 GHz, 26.5 GHz, kana 40 GHz, kana kuderedza bhendi kuti zviwedzere kurasikirwa uye VSWR.

3.2 Avhareji yeSimba: 10W pachiteshi chimwe nechimwe

Chiyero che10W continuous wave (CW) chinoshanda mumamiriro ezvinhu akaenzana ekutakura patembiricha yemumba. Kune masaini ane pulsed ane duty cycles shoma (semuenzaniso, radar ine duty cycle ye1%), simba repamusoro rinogona kusvika mazana emawatts. Kutarisirwa kwekupisa kunova kwakakosha kupfuura 10W, uye simba repamusoro (50W, 100W) rinowanikwa kuburikidza nekushandurwa kwemagadzirirwo akagadzirwa nemaoko kusanganisira kuwedzera kupisa uye kuvandudzwa kwezvinhu zve dielectric.

3.3 Kusiyana kweVSWR neVSWR

VSWR ye1.5 inoonekwa seyakanaka kwazvo pa rotary joint pamusoro pe multi-octave bandwidth. Kusiyana kweVSWR kunoratidza kuti impedance matching inochinja sei panguva yekutenderera. Channel 1 inowana ±0.1 dB shanduko - kutsungirira kwakasimba kunoratidza kugadzikana kwakanyanya kwemechanical uye kugadzikana kwekubatana.

3.4 Kurasikirwa neKurasikirwa muInsertion

Kurasikirwa kwekuisa kunosanganisira zvikamu zvitatu:

• Kurasikirwa kwemutyairi (mhedzisiro yeganda pakati pemutyairi nechidzitiro chekunze)
• Kurasikirwa ne dielectric (PTFE kana imwe microwave substrate)
• Kurasikirwa kwekubatana (kuramba kwekubatana kunotenderera)

Chiteshi 1: Kurasikirwa kwakanyanya kwe1 dB ne ± 0.3 dB
Chiteshi 2: Kurasikirwa kwakanyanya kwe1.2 dB nekuchinja kwe ±0.15 dB

Nhamba yekuchinja inowanzo kukosha kupfuura kurasikirwa zvachose mumasisitimu anochinja. Semuenzaniso, shanduko ye0.15 dB inoshandura shanduko ye ±1.7% muhukuru hwechiratidzo pane kutenderera kamwe chete kwakazara - hazvikoshi kune akawanda masisitimu akavakirwa pahukuru akadai se automatic gain control loops kana simple detectors.

3.5 Kuparadzaniswa: ≥50 dB

Kuparadzaniswa kunoyerwa pakati pemachaneli maviri. Pa 50 dB zvishoma, kubuda kwemvura kubva kuChannel 1 kuenda kuChannel 2 (kana kuti zvinopesana) kunoderedza chiratidzo che10W kusvika ku0.1 mW. Iyi level inoita kuti:

• Kuparadzaniswa kwekutumira-ku-kugamuchira mumasisitimu akazara-duplex
• Oscillator yemuno shoma inobuda ropa
• Kuderedzwa kwezvigadzirwa zve intermodulation munzvimbo dzine vanhu vakawanda vanofambisa zvinhu

3.6 Kugadzikana kwechikamu: ±2° kusvika ±4°

Kugadzikana kwechikamu ndiko kunonyanya kukosha kutsanangurwa kwemaitiro akabatana akadai se:

• Zvidimbu zvekugadzirisa marobhoti zvakagadziriswa
• Kutsvaga nzira ye interferometric
• Maradar ekutevera eMonopulse
• Radar yekuvhura yakagadzirwa (SAR)
• Zvigamuchiro zvekuona zvinoenderana

Pa5.25 GHz, shanduko yechikamu che±2° inoenderana nekusiyana kwehurefu hwenzira chaiyo hweinenge:
ΔL = (Δφ / 360°) × λ = (2/360) × (299.8 / 5.25) ≈ 0.32 mm

Kuti ±2° igare zvakanaka zvinoda kuti mwenje we radial ushande zvakanaka kupfuura 0.02 mm uye nzvimbo dzakanyatsobatana dzakanyatsogadzirwa zvakanaka - humbowo hwekugadzirwa kwakasimba uye kudzorwa kwemhando yepamusoro.

3.7 Tsananguro yeMagadzirirwo eMichina

Kumhanya kweKutenderera: 30 RPM yepamusoro
Yakakodzera ma antenna rotator, ma test turntables, ma radar pedestals, uye ma sensor anoskena zvishoma nezvishoma. Kumhanya kwakanyanya (kusvika 300 RPM) kunowanikwa kuburikidza nema custom bearings uye dynamic balancing.

Hupenyu hwekushanda: 5 miriyoni yekumukira pasi
Pakushanda kwe30 RPM nguva dzose, izvi zvinoenzana nemazuva 115 ekutenderera pasina kumira. Pakushandiswa kwakajairika kweawa imwe pazuva pa10 RPM, hupenyu hwebasa hunodarika makore 80 - kupfuura hupenyu hwebasa hwechigadzirwa.

Torque: ≤0.6 N·m patembiricha yemumba
Torque yakaderera inoderedza kudiwa kwemota inotyaira, inobvumira kushandiswa nematanho madiki kana epamusoro-soro, uye inoderedza kugadzirwa kwekupisa kubva mukukweshana. Torque inowedzera pakupisa kwakanyanya nekuda kwekuchinja kwe viscosity yemafuta.

Kureba kweTembiricha: -40°C kusvika +70°C (inoshanda)
Izvi zvinosangana nezvinodiwa zvemuchina wemauto (MIL-STD-810) uye zvekunze zvemaindasitiri. Kushanda kwemuchina wekupisa kwakaderera kunogoneswa nemafuta emhando dzakasiyana-siyana; kushanda kwemuchina wekupisa kwakakwirira kunoda kusarudzwa kwakanyatsonaka kwezvinhu zve dielectric kudzivirira kushanduka kwechinhu.

Chiyero cheIP51

• IP5: Yakachengetedzwa neguruva (guruva haripindi zvakanyanya, hapana kukuvadza kunokuvadza)
• IP1: Yakachengetedzwa kubva mumvura inodonha yakamira

Chiyero ichi chinokodzera nzvimbo dzemukati, nzvimbo dzakavharirwa dzekunze, uye nzvimbo dzekuchengetera michina. Chiyero chepamusoro (IP65, IP67) chinowanikwa munzvimbo dzekunze, dzemungarava, kana dzerenje.

Zvinhu: Aluminium alloy ine conductive oxidation
Aruminiyamu inopa huremu hwakareruka (hunokosha pakubatanidza zvinhu zvinotenderedzwa), kufambisa zvakanaka kwekupisa (kunobvisa kupisa kubva pamutoro we10W), uye michina yakanaka kwazvo. Kupisa kwemhepo kunovimbisa kufambisa kwemagetsi pamusoro peRF pasi ukuwo kuchidzivirira ngura.

4. Mashandisirwo Akajairika

4.1 Masisitimu eRadar Akavakirwa Pasi

Inoshandiswa pakati petransceiver isingachinji uye antenna array inotenderera. Nzira nhatu dzinotsigira transmission, reception, uye calibration loop panguva imwe chete.

4.2 Zvigadziko zveAntena zveKutaurirana neSatellite

Inochengetedza RF link integrity panguva yekutevera satellite nguva dzose. Kugadzikana kwechikamu kunokanganisa zvakananga modulation error rate (MER) uye bit error rate (BER).

4.3 Mabhenji Ekuyedza eElektroniki (EW)

Masimitara ekutumira zvinhu zvinotenderera anoda chikamu chakagadzikana uye amplitude kuburikidza nenzira dzakasiyana-siyana dzekuenzanisa angle-of-arrival (AOA).

4.4 Midziyo Yekurapa yeMicrowave

Misoro yemifananidzo inotenderera kana yekurapa (semuenzaniso, masisitimu e microwave hyperthermia) inoda RF delivery yakavimbika pasina kuneta kwetambo.

4.5 Kudziisa Microwave Yemaindasitiri

Majoini anotenderera anogonesa kugadziriswa kwezvinhu muovheni dze microwave kana masisitimu ekuomesa nguva dzose.

4.6 Matafura eKuedza neKuyera

Makamuri ekuyera mapatani eantena anoshandisa majoini anotenderera kuti ape antenna iri kuyedzwa (AUT) panguva yekutenderera.

5. Kugona Kwekugadzirisa Zvisiri Zvenguva Dzose

Chigadzirwa ichi chakagadzirwa zvakajeka sepuratifomu yakagadzirwa nevatengi. Zvinotevera zvinogona kuchinjwa zvichienderana nezvinodiwa nemutengi:

6. Kuvimbiswa Kwemhando Yepamusoro & Kuedzwa Kwakasimba

Joint yega yega inotenderera inoongororwa nematanho akawanda isati yatumirwa:

6.1 Kuyedzwa Kwekushanda KweRF (100% yemayuniti)

• Kurasikirwa kweVSWR uye kupinza kunoyerwa kuburikidza nehuwandu hwema frequency (1–5.25 GHz) pa101 points
• Kuparadzaniswa kwakayerwa pakati pemapaya ese echiteshi
• Miedzo yese yakaitwa pamamiriro ezvinhu asingachinji uye anochinja-chinja (anotenderera pa30 RPM)

6.2 Kuyera Kugadzikana kweChikamu

• Kuchinja kwezvikamu kwakanyorwa pamusoro pegumi rinotenderera nguva dzose
• Data rakachengetwa pa1° increments (3600 points per channel)

6.3 Kuedzwa kweMichina

• Torque yakayerwa pa -40°C, +25°C, uye +70°C
• Runout yakayerwa pa rotating interface
• Kuyedzwa kwemuenzaniso wekutenderera kwehupenyu: mayuniti akasarudzwa zvisina tsarukano kuti akwanise kumhanya kwemamiriyoni mashanu ekutsungirira

6.4 Kuongorora Kushushikana Kwenharaunda (semuenzaniso)

• Kutenderera kwekupisa: -50°C kusvika +85°C, macycle gumi, kugara kwemaawa maviri
• Kupisa kwakanyorova: 95% RH pa +40°C kwemaawa makumi mana nemasere
• Kudedera: 5g RMS, 10–500 Hz, pa MIL-STD-810

7. Sei Uchifanira Kusarudza Rotary Joint Iyi?

• Kuchinjika kusingawanzoitiki - Haumanikidzwi kuita chibvumirano chisina kurongwa. Isu tinochinjika zvinoenderana nehurongwa hwako, kwete zvakapesana.
• Kudzora kwakasimba kwehunhu - Zvese zvinodiwa zvinosimbiswa. Hapana nhamba "dzakajairika". Chikamu chimwe nechimwe chinotumirwa nemushumo wekuyedza.
• Nguva refu yekushanda - 5 miriyoni yekuchinja kwesimba inovimbisa makumi emakore ebasa mumashandisirwo akajairika anotenderera.
• Hutungamiriri hwekugadzikana kwechikamu - ±2° mumatanho matatu hahuwanzoitiki panguva ino yekushanda kwemutengo.
• Rutsigiro rwehunyanzvi - Chikwata cheinjiniya chinopa rubatsiro rwekubatanidza, mamodheru e3D, uye mvumo yekudhirowa yakagadzirwa.