Makhalidwe a Masensa a Oxygen Osungunuka Owoneka bwino kuti Akhale ndi Madzi Abwino

Masensa a Optical Dissolved Oxygen (ODO), omwe amadziwikanso kuti masensa okhala ndi fluorescence, ndi ukadaulo wamakono womwe umasiyana ndi njira zachikhalidwe za membrane electrode (maselo a Clark). Mbali yawo yayikulu ndikugwiritsa ntchito fluorescence quenching poyesa kuchuluka kwa mpweya wosungunuka m'madzi.

Mfundo Yogwirira Ntchito:
Nsonga ya sensa imakutidwa ndi nembanemba yodzazidwa ndi utoto wa fluorescent. Utoto uwu ukasangalatsidwa ndi kutalika kwa kuwala kwa buluu, umatulutsa kuwala kofiira. Ngati mamolekyu a okosijeni alipo m'madzi, amagundana ndi mamolekyu a utoto wosangalatsidwa, zomwe zimapangitsa kuti mphamvu ya fluorescence ichepe komanso nthawi ya fluorescence ikhale yochepa. Poyesa kusintha kwa nthawi ya fluorescence kapena mphamvu, kuchuluka kwa okosijeni wosungunuka kumatha kuwerengedwa molondola.

Makhalidwe Ofunika:

1. Osagwiritsa Ntchito Oxygen, Osagwiritsa Ntchito Electrolyte:
   • Iyi ndiye kusiyana kwakukulu kuchokera ku njira ya membrane electrode. Ma sensor optical sagwiritsa ntchito mpweya wochokera mu chitsanzo, zomwe zimapangitsa kuti pakhale zotsatira zolondola, makamaka m'madzi omwe sayenda bwino kapena omwe sayenda bwino.
   • Palibe chifukwa chosinthira ma electrolyte kapena nembanemba, zomwe zimachepetsa kwambiri kukonza.
2. Kusamalira Kochepa, Kukhazikika Kwambiri:
   • Palibe vuto ndi kutsekeka kwa nembanemba, poizoni wa ma electrode, kapena kuipitsidwa kwa ma electrolyte.
   • Kusinthasintha kwa nthawi yayitali, nthawi zambiri kumafuna kusinthasintha kwa miyezi ingapo kapena kuposerapo.
3. Kuyankha Mwachangu ndi Kulondola Kwambiri:
   • Yankho lachangu kwambiri pakusintha kwa mpweya wosungunuka, zomwe zimathandiza kuti kusintha kwa khalidwe la madzi kuwonekere nthawi yeniyeni.
   • Kuyeza sikukhudzidwa ndi liwiro la kuyenda kwa madzi kapena zinthu zina monga sulfide, zomwe zimapangitsa kuti zikhale zolondola komanso zokhazikika poyerekeza ndi njira zachikhalidwe.
4. Kuyenda Kochepa Kwa Nthawi Yaitali:
   • Kapangidwe ka utoto wa fluorescent ndi kokhazikika kwambiri, zomwe zimapangitsa kuti chizindikirocho chisasunthike kwambiri komanso kuonetsetsa kuti kuyeza kwake kwa nthawi yayitali sikunachepe.
5. Kugwiritsa Ntchito Mosavuta:
   • Kawirikawiri plug-and-play, popanda nthawi yayitali yolumikizirana pambuyo poyambira; okonzeka kuyeza nthawi yomweyo.

Zoyipa:

• Mtengo Woyamba Wapamwamba: Nthawi zambiri zimakhala zodula kuposa masensa achikhalidwe a membrane electrode.
• Kakhungu kowala kamakhala ndi nthawi yayitali yogwira ntchito: Ngakhale kuti kamakhala nthawi yayitali (nthawi zambiri zaka 1-3), kakhunguko kamawonongeka kapena kuipitsidwa ndipo kamafunika kusinthidwa.
• Mafuta ndi Algae Zingathe Kuwononga: Kuphimba kwambiri mafuta kapena biofouling pamwamba pa sensa kungasokoneze kusangalatsa ndi kulandira kuwala, zomwe zimapangitsa kuti pakhale kuyeretsa.

2. Zochitika Zogwiritsira Ntchito

Chifukwa cha makhalidwe awo abwino kwambiri, masensa a okosijeni osungunuka amagwiritsidwa ntchito kwambiri m'magawo osiyanasiyana omwe amafunikira kuyang'aniridwa kosalekeza komanso kolondola kwa DO:

1. Malo Oyeretsera Madzi Otayidwa:
   • Ntchito yofunika kwambiri. Imagwiritsidwa ntchito poyang'anira DO m'matangi opumira mpweya ndi m'malo opumira mpweya/anaerobic kuti mpweya ukhale wabwino, zomwe zimathandiza kuti pakhale kuwongolera kolondola kuti pakhale mphamvu yosungira komanso kuti chithandizo chikhale bwino.
2. Kuyang'anira Madzi Mwachilengedwe (Mitsinje, Nyanja, Madziwe Osungira Madzi):
   • Amagwiritsidwa ntchito m'malo owunikira zachilengedwe kuti awone momwe madzi amadzi amayeretsera okha, momwe alili ndi mpweya wochuluka m'madzi, komanso momwe angachepetsere mpweya m'thupi, zomwe zimabweretsa chitetezo cha chilengedwe.
3. Ulimi wa m'madzi:
   • DO ndiye njira yothandiza kwambiri pa ulimi wa nsomba. Masensa owunikira amathandiza kuyang'anira maiwe ndi matanki maola 24 pa tsiku, masiku 7 pa sabata. Amatha kuyambitsa ma alarm ndikuyambitsa makina opumira mpweya pamene kuchuluka kwa nsomba kumatsika kwambiri, zomwe zimaletsa kuphedwa kwa nsomba ndikuteteza kupanga nsomba.
4. Kafukufuku wa Sayansi:
   • Amagwiritsidwa ntchito mu kafukufuku wa za m'nyanja, maphunziro a zamoyo, ndi zoyeserera za poizoni wa chilengedwe komwe deta ya DO yolondola kwambiri komanso yosasokoneza kwambiri ndi yofunika.
5. Madzi Opangira Mafakitale:
   • Mu makina monga malo opangira magetsi ndi malo opangira mankhwala, kuyang'anira DO kuti muchepetse dzimbiri ndi biofouling.

3. Kafukufuku wa Nkhani Yofunsira Ntchito ku Philippines

Monga dziko lokhala ndi zilumba zambiri, chuma cha dziko la Philippines chimadalira kwambiri ulimi wa nsomba ndi zokopa alendo, komanso chikukumana ndi mavuto okhudzana ndi kuipitsidwa kwa madzi chifukwa cha kukula kwa mizinda. Chifukwa chake, kuyang'anira ubwino wa madzi, makamaka mpweya wosungunuka, ndikofunikira kwambiri.

Phunziro la Nkhani: Kuwunika kwa Smart DO ndi Njira Yoperekera Mpweya ku Laguna de Bay Aquaculture Zones

Chiyambi:
Laguna de Bay ndi nyanja yayikulu kwambiri ku Philippines, ndipo madera ozungulira ndi ofunikira kwambiri pa ulimi wa nsomba, makamaka Tilapia ndi Milkfish (Bangus). Komabe, nyanjayi ikukumana ndi mavuto chifukwa cha kuuma kwa nthaka. M'miyezi yotentha yachilimwe, kugawikana kwa madzi kungayambitse kuchepa kwa mpweya m'zigawo zakuya, zomwe nthawi zambiri zimayambitsa kufa kwa nsomba zambiri ("kupha nsomba"), zomwe zimapangitsa kuti alimi azitaya ndalama zambiri pazachuma.

Yankho la Ntchito:
Bungwe la Usodzi ndi Zachilengedwe (BFAR), mogwirizana ndi maboma am'deralo, linalimbikitsa kugwiritsa ntchito njira yanzeru yowunikira ndi kulamulira ubwino wa madzi pogwiritsa ntchito masensa oyeretsera mpweya m'mafamu akuluakulu amalonda ndi madera ofunikira a nyanjayi.

Zigawo za Dongosolo ndi Kayendedwe ka Ntchito:

1. Malo Oyang'anira: Maboo amadzi abwino okhala ndi zinthu zambiri okhala ndi masensa a DO owoneka bwino adayikidwa m'malo osiyanasiyana m'madziwe a nsomba (makamaka m'malo akuya) ndi m'malo ofunikira m'nyanja. Masensa awa adasankhidwa chifukwa cha:
   • Kusamalira Kochepa: Kugwira ntchito kwawo kosasamalira kwa nthawi yayitali ndikwabwino kwambiri m'madera omwe ali ndi antchito ochepa aukadaulo.
   • Kukana Kusokonezedwa: Sizingathe kulephera chifukwa cha kuipitsidwa m'madzi okhala ndi zinthu zachilengedwe komanso odzaza ndi matope.
   • Deta Yeniyeni: Yokhoza kupereka deta mphindi iliyonse, zomwe zimathandiza kuzindikira mwachangu madontho a DO mwadzidzidzi.
2. Kutumiza Deta: Deta ya sensa imatumizidwa nthawi yeniyeni kudzera pa ma netiweki opanda zingwe (monga, GPRS/4G kapena LoRa) kupita ku nsanja yamtambo ndi mapulogalamu am'manja a alimi.
3. Kulamulira Mwanzeru ndi Chenjezo Loyambirira:
   • Mbali ya Pulatifomu: Pulatifomu ya mtambo imayikidwa ndi malire a alamu a DO (monga, pansi pa 3 mg/L).
   • Mbali ya Ogwiritsa Ntchito: Alimi amalandira machenjezo omveka/owoneka, SMS, kapena zidziwitso za pulogalamu.
   • Kuwongolera Kokha: Dongosololi limatha kuyambitsa zokha ma aerator mpaka milingo ya DO itabwezeretsedwa pamalo otetezeka.

Zotsatira:

• Kuchepetsa Imfa ya Nsomba: Machenjezo oyambirira ndi mpweya wokhawokha zinathandiza kupewa kupha nsomba zambiri chifukwa cha kuchepa kwa DO usiku kapena m'mawa kwambiri.
• Kugwira Ntchito Mwachangu kwa Ulimi: Alimi amatha kusamalira bwino kudyetsa ndi kulowetsa mpweya m'nthaka mwasayansi, kuchepetsa ndalama zamagetsi (popewa kugwiritsa ntchito makina olowetsa mpweya maola 24 pa sabata) ndikuwonjezera kuchuluka kwa chakudya ndi kukula kwa nsomba.
• Deta Yoyang'anira Zachilengedwe: Malo owunikira m'nyanjayi amapereka deta ya DO ya nthawi yayitali ya madera, zomwe zimathandiza kusanthula momwe madzi amayendera komanso kupanga mfundo zasayansi zoyendetsera nyanjayi.

Chidule:
M'mayiko osauka monga Philippines, komwe ulimi wa nsomba ukukumana ndi zoopsa zambiri ndipo zomangamanga zitha kuvutitsidwa, masensa okosijeni osungunuka a kuwala atsimikizira kuti ndi chida chabwino kwambiri chaukadaulo cholima nsomba molondola komanso kusamalira zachilengedwe mwanzeru chifukwa cha kulimba kwawo, kusasamalira bwino, komanso kudalirika kwambiri. Sikuti amangothandiza alimi kuchepetsa zoopsa ndikuwonjezera ndalama komanso amapereka chithandizo champhamvu cha deta yoteteza zachilengedwe zamtengo wapatali za m'madzi ku Philippines.

Tikhozanso kupereka njira zosiyanasiyana zothetsera mavutowa

1. Chida chogwiritsira ntchito m'manja cha ubwino wa madzi okhala ndi magawo ambiri

2. Dongosolo loyandama la Buoy la ubwino wa madzi okhala ndi magawo ambiri

3. Burashi yoyeretsera yokha ya sensa yamadzi yokhala ndi magawo ambiri

4. Seti yonse ya ma seva ndi mapulogalamu opanda zingwe, imathandizira RS485 GPRS /4g/WIFI/LORA/LORAWAN

Kuti mudziwe zambiri za SENSOR zambiri,

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