Mita dzeRadar level zvishandiso zvakakosha pakuyera mazinga eindasitiri, zvinowanzoiswa muzvikamu zvemamita eradar asingabatanidzwe (anonzi "mamita eradar level") uye mamita eradar level anotungamirirwa (mhando yekubatana). Ose anoshanda zvichibva pamisimboti ye microwave reflection, asi hunhu hwawo nemamiriro ezvinhu anoshanda akasiyana zvakanyanya nekuda kwenzira dzakasiyana dzekuparadzira masaini. Heano maficha makuru emhando yega yega:
I. Hunhu hweMamita eRadar Level (Asingabatanidzwi)
Mamita eradar asingabatanidzi masaini anoburitsa masaini e microwave kubva pa antenna kuenda pamusoro pechinhu chakayerwa. Masaini anoonekwa nechinhu uye anogashirwa ne antenna, nekukwirira kwemazinga kunoverengwa uchishandisa tekinoroji ye "nguva yakasiyana" kana "Frequency-Modulated Continuous Wave (FMCW)". Hunhu hwawo hukuru ndehwekuti:
1. Kuyera Kusingasanganisike Nekuchengetedzeka Kwakanaka Uye Hutsanana
- Hapana Kubata Pakati Nepakati: Sensor haina kubata pakati nepakati nechinhu chakayerwa, zvichibvisa njodzi dzekuora, kupera, kuunganidzwa kwezvinhu, kana kusvibiswa kunokonzerwa nechinhu ichi.
- Kutevedzera Hutsanana Kwakasimba: Yakanakira maindasitiri ane zvinodiwa zvakasimba zvehutsanana zvakaita sechikafu, zvinwiwa nemishonga (zvichienderana nezvinodiwa zvakaita seFDA ne3-A), kudzivirira kunetseka nezvekubviswa kwezvinhu zve sensor kana kusvibiswa kwezvinhu zvemukati.
2. Kuisa Kunochinjika Uye Mari Yekugadzirisa Yakaderera
- Kuisa Kuri Nyore: Inowanzoiswa pamusoro pematangi, isingade kuiswa mukati mechinhu uye isingakonzere kukanganiswa kwezvivakwa zvemukati metangi. Yakakodzera zvakanyanya pakugadzika matangi aripo kana matangi ekuchengetera zvinhu makuru (hapana chikonzero chekuboorwa kana kugadziriswa kwetangi).
- Kusanyanya Kudiwa Kwekugadzirisa: Kusafamba kwezvikamu uye kusabatana nechinhu chinochengetedza zvinoderedza basa rekugadzirisa rinokonzerwa nekuunganidza, kuvharika, kana kupera, zvichiita kuti nguva yebasa iwedzere.
3. Inochinjika kuMedia Dzakawanda Asi Inonyanya Kukanganiswa Nezvakatipoteredza
- Kuenderana Kwakafara Pakati Nepakati: Inokwanisa kuyera zvinwiwa, zvidimbu zvakasimba (semuenzaniso, mapurasitiki, tsanga), uye slurry. Inonyanya kukodzera kune zvidimbu zvine viscosity yakawanda (semuenzaniso, huchi, resin), zvinhu zvinoparadza zvakanyanya (semuenzaniso, acid/alkaline solutions), kana syrup.
- Kunzwa Kwezvakatipoteredza: Zviratidzo zvema microwave zvinogona kukanganiswa nezvinhu zvakaita seutsi, guruva, furo, uye mhute panguva yekupararira, izvo zvinogona kunetesa kana kukanganisa zviratidzo zvinoratidzwa. Magadzirirwo emagetsi akakwirira (semuenzaniso, 26GHz, 80GHz), antennas dzakagadzirwa (semuenzaniso, antennas dzehorn, antennas dzeparabolic), kana matekinoroji ekusefa zviratidzo anoshandiswa kusimudzira kugona kwekudzivirira kukanganiswa.
4. Kuyera Kwakafara, Kururama Kunopesvedzerwa neDielectric Constant
- Kuyera Kukuru: Kuyera kwakajairika kunosvika 0.1m–100m, nemamwe mamodheru anofukidza matangi ekuchengetera zvinhu akakura zvikuru kana midziyo yakavhurika.
- Kuvimba neDielectric Constant: Dielectric constant yakakwira (εᵣ) yepakati inoita kuti pave nezviratidzo zvakasimba zvinoratidzwa (semuenzaniso, mvura ine εᵣ≈80 ine mhedzisiro yakasimba). Dielectric constant media yakaderera (semuenzaniso, peturu ine εᵣ≈2, gasi repetroleum rakanyungudutswa rine εᵣ≈1.5) rinoburitsa mhedzisiro isina kusimba, zvichigona kuderedza kurongeka kwekuyera (zvinovandudzwa neradar ine frequency yakakwira kana maantenna akawedzerwa).
Miganhu
- Zvakaoma kuyera media ine ma "dielectric constants" akaderera zvikuru (εᵣ<1.5) uye inowanzo kanganiswa nema "echoes" enhema (semuenzaniso, kuratidzwa kwemadziro ematangi kana ma "agitators").
- Mumamiriro ezvinhu akaomarara ane guruva rakawanda, utsi hwakawanda, kana furo gobvu, mamwe maantenna anodzivirira guruva/mhute kana michina yekubvisa tsvina inodiwa; zvikasadaro, kunyatsoita basa kunogona kudzikira.
II. Hunhu hweMamita eRadar Radar Anotungamirirwa
Mamita eradar egwaradhi anotungamirwa anotumira masaini e microwave achitevedza ma probe esimbi (ma waveguides, tambo, kana tambo dze coaxial). Masaini anoonekwa pakati penzvimbo nemhepo, uye nhanho inoverengwa nekuongorora maratidziro aya. Hunhu hwawo hukuru ndehwekuti:
1. Kuyera Kubata Nesimba Rinodzivisa Kupindira
- Kupararira kweChiratidzo Chekutungamira: Ma microwave anofamba achitevedza probe inotungamirirwa, achiunganidza simba uye achideredza kukanganiswa nezvinhu zvakatipoteredza zvakaita seutsi, guruva, furo, kana turbulence. Zviratidzo zvekuratidzira zvakagadzikana zvinochengetwa kunyangwe mufuro gobvu kana mamiriro ekukurunga zvine simba.
- Yakakodzera Mamiriro Akaomesesa: Inoshanda zvakanyanya kune midziyo ine viscosity yakawanda (semuenzaniso, zvinovirisa doro, sipo), midziyo ine smoked particles (semuenzaniso, muto wemichero, slurry), kana zvinhu zvisingachinji zve dielectric (semuenzaniso, mafuta akareruka, magasi akanyungudutswa), kugadzirisa nyaya yekuderera kwechiratidzo mu radar isingabatanidzi.
2. Kuyera Kwakanaka uye Kugadzikana
- Zviratidzo Zvinoratidzwa Zvakatarisa: Chinoongorora chinotungamira chinoisa simba rema microwave pamusoro wepakati, zvichikonzera kuratidzwa kwakasimba uye kwakagadzikana. Kurongeka kwekuyera kunowanzo kusvika ±0.05%FS uye kugona kudzokorora kwakanaka (±0.02%FS).
- Hazvikanganisike neTank Space: Zvakakodzera matangi madiki, midziyo isina chimiro chakasiyana, kana matangi ane zvipingamupinyi zvemukati (semuenzaniso, zvinokanganisa, zvinokanganisa), sezvo probe ichiparadzira zviratidzo yakazvimirira pasina kukanganiswa kubva kuzvivako zvetangi.
3. Kuisa uye Kugadzirisa Zvakagadzirirwa Zvivakwa Zviri Pakati Nepakati
- Nzira Dzekuisa: Mapurobhu anofanira kuiswa muchinhu chacho. Kusarudzwa kwezvinhu (semuenzaniso, simbi isingatsvi ye316L, PTFE coating) uye rudzi rwepurobhu (rudzi rwetsvimbo yemvura ine viscosity yakaderera, rudzi rwetambo yemvura ine viscosity yakakura kana matangi akadzika, rudzi rwecoaxial yemidziyo isina dielectric yakawanda) zvinoenderana nekusviba kwepakati uye kuora.
- Zvinhu Zvinofanira Kufungwa Nezvekuchengetedza: Kubata midziyo inogona kukonzera kuungana kwemidziyo (high-viscosity media), ngura (midziyo inoparadza zvakanyanya), kana kukura kwemidziyo. Kuchenesa nguva dzose kunodiwa kudzivirira kukanganisa kwechiratidzo, uye kunoongorora njodzi yekutyoka (magadzirirwo ekudzivirira kurovera anodiwa munzvimbo dzakakanganiswa).
4. Kuenderana Kwepakati Nepakati Nezvakatipoteredza
- Kuenderana Kwepakati: Yakakodzera zvinwiwa, slurry, uye solid particles, kunyanya iine low dielectric constant (εᵣ≥1.8), high-viscosity (semuenzaniso, asphalt, syrup), kana nyore kushandisa crystallizing media (semuenzaniso, caustic soda solutions).
- Kuchinjika Nenharaunda: Inotsungirira tembiricha yepamusoro (-50℃ ~ 400℃) uye kumanikidzwa (kusvika ku40MPa), zvichiita kuti ive yakakodzera munzvimbo dzakanyanya dzakadai semafekitori emafuta nematanki ekuchengetera zvinhu.
Miganhu
- Kuyerwa kwekubatwa kwechinhu kunoderedza kushandiswa kwacho mune mamiriro ehutsanana hwakanyanya (semuenzaniso, mishonga isingauraye utachiona) nekuda kwezvinodiwa zvekuongorora kucheneswa nguva nenguva.
- Kureba kwechidziviriro chekuongorora kwacho kwakagadzika, zvichideredza huwandu hwekuyera (kazhinji kusvika pamamita makumi matatu), zvichiita kuti isakodzere kushandiswa nemidziyo yakakura yakavhurika.
- Kusviba kwakanyanya kana kuti kusimba zviri nyore zvinogona kukonzera kuunganidzwa kweprobe, zvichikanganisa kururama; midziyo inoparadza zvakanyanya inoda zvinhu zvinodhura zvinodzivirira ngura.
III. Pfupiso yekuenzanisa yeHunhu Hukuru
| Kuenzanisa | Meter yeRadar Level (Isina Kubata) | Meter yeRadar yeMafungu Anotungamirirwa |
|---|---|---|
| Nzira yekuyera | Kusabata (ma microwave anopararira nemhepo) | Rudzi rwekubatana (ma microwave anopararira pamwe chete nema probes) |
| Kukwanisa Kudzivisa Kupindira | Inobatwa neutsi, furo, guruva; yakagadziriswa neantennas dzemhando yepamusoro/dzakakosha | Kudzivirira kwakasimba kukanganiswa; hakukanganisi furo, utsi, kana nyonganyonga |
| Hutsanana | Hapana kusangana, hutsanana hwakanyanya; yakakodzera chikafu/mishonga | Kusangana nevanhu; kunogumira pakuchena kwakanyanya nekuda kwezvinodiwa zvekuchenesa nguva nenguva |
| Kuyera Kwakarurama | ±0.1%~±0.5%FS (inopesvedzerwa nemamiriro ekunze uye dielectric constant) | ±0.05%~±0.1%FS (masaini akagadzikana, kururama kwakanyanya) |
| Mari Yekugadzirisa | Yakaderera (hapana kubata, hapana kupfeka) | Zviri pakati nepakati (zvinoda kucheneswa kweprobe, kudzivirira ngura/kuunganidza) |
| Midhiya Yakakodzera | Inoparadza zvakanyanya, ine simba rakawanda, ine hutsanana (inodzivisa kusvibiswa kweganda) | Chinochinjika che dielectric chakaderera, chine furo rakawanda, chine zvidimbu; mamiriro akaomarara |
| Zvirambidzo zveKuisa | Inoda nzvimbo pamusoro petank top; hapana chikonzero chekuisa | Inoda kuiswa kweprobe; inoganhurirwa nezvivakwa zvemukati metangi uye kureba kweprobe |
Mhedziso
Mamita eradar asingabatanidzwe anoshanda zvakanaka mukushanda asingabatanidzwe, kuchena kwakanyanya, uye kusachengetedza kwakaringana, zvichiita kuti akwanise kushandiswa mukushandisa matangi makuru ane hutsanana hwakawanda, ngura, kana kuti matangi makuru. Radar yewave inotungamirwa, ine simba rayo rekudzivirira kukanganiswa, kururama kwakanyanya, uye kuchinjika kune midziyo yakaoma, inofarirwa kune zviitiko zvine furo, midziyo isingabatanidzwe ine dielectric yakaderera, kana matangi madiki/asina kurongeka. Kusarudza kwakakodzera kunofanirwa kufunga nezvehunhu hwepakati (kusviba, ngura, dielectric constant), mamiriro ekunze (utsi, guruva, kumanikidzwa), uye zvinodiwa zvehutsanana.
Nguva yekutumira: Chikunguru-22-2025