Hunhu hweMasensor eOxygen Akanyungudutswa Emvura

Masensa eOptical Dissolved Oxygen (ODO), anozivikanwawo semasensa akavakirwa pa fluorescence, itekinoroji yemazuva ano inosiyana nenzira dzechinyakare dze membrane electrode (Clark cells). Chinhu chikuru chadzo kushandisa fluorescence quenching kuyera huwandu hwe oxygen yakanyungudutswa mumvura.

Nheyo yekushanda:
Musoro we sensor wakafukidzwa ne membrane yakazadzwa ne dye ye fluorescent. Kana dhayi iyi yawedzerwa ne wavelength yechiedza chebhuruu, inoburitsa chiedza chitsvuku. Kana mamorekuru eokisijeni ari mumvura, anogovana nemamorekuru eokisijeni akawedzerwa, zvichikonzera kudzikira kwe fluorescence intensity uye fluorescence lifetime pfupi. Nekuyera shanduko iyi muhupenyu hwe fluorescence kana intensity, huwandu hwe oxygen yakanyungudutswa hunogona kuverengwa nemazvo.

Hunhu Hukuru:

1. Hapana Kushandiswa kweOxygen, Hapana Electrolyte:
   • Uyu ndiwo musiyano mukuru kubva panzira ye membrane electrode. Ma sensor e optical haashandise okisijeni kubva mumuenzaniso, zvichipa mhedzisiro chaiyo, kunyanya munzvimbo dzine mvura shoma kana dzisingachinji.
   • Hapana chikonzero chekutsiva ma electrolytes kana ma membrane, zvichideredza zvakanyanya kugadziriswa.
2. Kugadziriswa Kwakaderera, Kugadzikana Kwakanyanya:
   • Hapana matambudziko nekuvhara kwemembrane, chepfu yemagetsi, kana kusvibiswa kwe electrolyte.
   • Nguva refu dzekugadzirisa, kazhinji dzinoda kugadziriswa mwedzi mishoma yega yega kana kupfuura.
3. Mhinduro Inokurumidza uye Kururama Kwakanyanya:
   • Mhinduro inokurumidza zvikuru kune shanduko muokisijeni yakanyungudutswa, zvichiita kuti pave nekuonekwa kwekuchinja kwemhando yemvura panguva chaiyo.
   • Kuyerwa hakukanganisike nekumhanya kwekuyerera kana zvinhu zvinokanganisa zvakaita se sulfides, zvichipa kururama kwakanyanya uye kugadzikana zvichienzaniswa nenzira dzechinyakare.
4. Kufamba Kushoma Kwenguva Refu:
   • Hunhu hwedhayi re fluorescent hwakagadzikana zvikuru, zvichiita kuti zviratidzo zvisanyanya kufamba uye kuve nechokwadi chekuti kuyerwa kwenguva refu kwakavimbika.
5. Zviri nyore kushandisa:
   • Kazhinji plug-and-play, pasina nguva yakareba ye polarization inodiwa mushure mekutanga; yakagadzirira kuyerwa nekukasika.

Zvakashata:

• Mutengo wekutanga wakakwira: Kazhinji unodhura kupfuura masensa emagetsi e membrane echinyakare.
• Kamudzira keFluorescent kane hupenyu hwakareba: Kunyangwe kachigara kwenguva refu (kazhinji makore 1-3), kamudzira kacho kanozopedzisira kaora kana kusvibiswa uye kanoda kutsiviwa.
• Kusvibiswa Kunogona Kuitika Nemafuta Nealgae: Kuputira mafuta zvakanyanya kana biofouling pamusoro pe sensor kunogona kukanganisa kufadza uye kugamuchira chiedza, zvichiita kuti zviomere kucheneswa.

2. Maitiro Ekushandisa

Nekuda kwehunhu hwavo hwakanaka, masensa eokisijeni yakanyungudutswa yemaziso anoshandiswa zvakanyanya munzvimbo dzakasiyana siyana dzinoda kutariswa kweDO nguva dzose uye kwakarurama:

1. Minda Yekuchenesa Mvura Yakasviba:
   • Kushandiswa kwakakosha. Kunoshandiswa kutarisa DO mumatangi emhepo uye munzvimbo dze aerobic/anaerobic kuti mhepo ipinde zvakanaka, zvichiita kuti pave nekudzora kwakarurama kwekuchengetedza simba uye kuvandudza kushanda zvakanaka kwekurapa.
2. Kuongororwa Kwemvura Yechisikigo (Nzizi, Madziva, Madziva):
   • Inoshandiswa munzvimbo dzekutarisa zvakatipoteredza kuongorora kugona kwemvura kuzvichenesa, mamiriro e eutrophication, uye mukana wekushaya oksijeni, zvichipa ruzivo rwekuchengetedzwa kwezvakatipoteredza.
3. Kurima gungwa:
   • DO ndiyo nzira huru yekupfuya hove. Ma sensor ekuona anogonesa kutarisa 24/7 mumadziva nematangi. Anogona kumutsa maalarm uye otanga otomatiki kuvhura ma aerator kana huwandu hwehove hwaderera zvakanyanya, zvichidzivirira kuurayiwa kwehove uye kudzivirira kugadzirwa kwehove.
4. Tsvagiridzo yeSainzi:
   • Inoshandiswa muongororo dzegungwa, zvidzidzo zve limnological, uye mukuyedza ecotoxicology uko data reDO rakarurama uye risina kupindira kwakakosha.
5. Mvura yeMaindasitiri:
   • Mumasystem akadai semagetsi nemakemikari, mvura inotonhorera inoshandiswa neDO kudzora ngura uye biofouling.

3. Chidzidzo Chekushandisa MuPhilippines

Senyika ine makomo madiki, hupfumi hwePhilippines hunonyanya kuvimba nekurima hove nekushanya, ukuwo huchitarisanawo nematambudziko ekusvibiswa kwemvura nekuda kwekukura kwemaguta. Saka, kutarisa hunhu hwemvura, kunyanya oxygen yakanyungudika, kwakakosha zvikuru.

Chidzidzo Chemuenzaniso: Smart DO Monitoring uye Aeration System muLaguna de Bay Aquaculture Zones

Kumashure:
Laguna de Bay ndiyo dziva guru muPhilippines, nzvimbo dzakapoteredza dzichikosha pakurima hove, kunyanya Tilapia neMilkfish (Bangus). Zvisinei, dziva iri rinotarisana nenjodzi yekushaya simba kwemvura. Munguva yekupisa kwezhizha, kupatsanurwa kwemvura kunogona kukonzera kushaya simba kwehove muzvikamu zvakadzika, zvichikonzera kufa kwehove dzakawanda ("hove dzinouraya"), zvichikonzera kurasikirwa kukuru kwehupfumi kuvarimi.

Mhinduro Yekushandisa:
Bhizinesi reFisheries and Aquatic Resources (BFAR), pamwe chete nehurumende dzemuno, vakakurudzira kushandiswa kwehurongwa hwekuongorora nekudzora hunhu hwemvura hwakavakirwa pamasensa eokisijeni akanyungudutswa emaziso mumapurazi makuru ekutengeserana nenzvimbo dzakakosha dzedziva.

Zvikamu zveSisitimu uye Mafambiro Ebasa:

1. MaNode eKutarisa: Mabuoy emhando yepamusoro emvura ane ma "multi-parameter" ane masensa e "optical DO" akaiswa panzvimbo dzakasiyana-siyana mumadziva ehove (kunyanya munzvimbo dzakadzika) nenzvimbo dzakakosha mudziva. Masensa aya akasarudzwa nekuti:
   • Kuchengetedza Kushoma: Kushanda kwavo kwenguva refu pasina kugadzirisa kwakanakira nzvimbo dzine vashandi vashoma vehunyanzvi.
   • Kuramba Kukanganiswa: Hazvinyanyi kukundikana nekuda kwekusvibiswa mumvura ine zvirimwa zvakawanda uye ine madhaka.
   • Ruzivo Rwenguva Yechokwadi: Runokwanisa kupa ruzivo miniti yega yega, zvichibvumira kuonekwa nekukurumidza kwekudzikira kweDO kamwe kamwe.
2. Kutumirwa kweData: Data reSensor rinotumirwa panguva chaiyo kuburikidza ne network dzisina waya (semuenzaniso, GPRS/4G kana LoRa) kuenda ku cloud platform uye ma mobile apps evarimi.
3. Kudzora Kwakangwara uye Yambiro Yekutanga:
   • Rutivi rwePuratifomu: Puratifomu yegore yakaiswa neDO alarm thresholds (semuenzaniso, pasi pe3 mg/L).
   • Rutivi rweVashandisi: Varimi vanogamuchira nyevero dzinonzwika/dzinoonekwa, SMS, kana zviziviso zvemaapp.
   • Kudzora otomatiki: Sisitimu iyi inogona kuvhura otomatiki maaerator kusvika mazinga eDO adzorerwa padanho rakachengeteka.

Mhedzisiro:

• Kuderera Kwekufa kweHove: Nyevero dzekutanga uye kufefetera kwemhepo otomatiki zvakabudirira kudzivirira zviitiko zvakawanda zvekuuraya hove zvakakonzerwa nemazinga akaderera eDO husiku kana mangwanani-ngwanani.
• Kubudirira Kwekurima: Varimi vanogona kushandisa chikafu nemhepo zviri nani, vachideredza mari yemagetsi (nekudzivisa kushanda kwemidziyo inopinza mhepo maawa makumi maviri nemana pazuva, mazuva manomwe pasvondo) uye vachivandudza huwandu hwekuchinja kwekudya uye huwandu hwehove dzinokura.
• Data reKutarisira Zvakatipoteredza: Nzvimbo dzekutarisa mudziva dzinopa BPAR data renguva refu reDO renzvimbo, zvichibatsira kuongorora mafambiro e eutrophication uye kugadzira mitemo yesainzi yekutarisira madziva.

Pfupiso:
Munyika dziri kusimukira dzakadai sePhilippines, uko kurima hove kunotarisana nenjodzi huru uye zvivakwa zvinogona kupikiswa, masensa eokisijeni akanyungudutswa emaziso aratidza kuva chishandiso chakakodzera chetekinoroji chekurima hove nemazvo uye manejimendi ekuchengetedza nharaunda nekuchenjera nekuda kwekugara kwenguva refu, kusachengetedza kwadzo, uye kuvimbika kwadzo. Hadzingobatsiri varimi chete kuderedza njodzi nekuwedzera mari asiwo dzinopa rutsigiro rwakasimba rwekuchengetedza nharaunda dzemumvura dzePhilippines.

Tinogonawo kupa mhinduro dzakasiyana-siyana dze

1. Mita inobatwa nemaoko yemhando yemvura ine maparameter akawanda

2. Sisitimu yeFloating Buoy yemhando yemvura ine maparameter akawanda

3. Bhurashi rekuchenesa otomatiki re sensor yemvura ine ma parameter akawanda

4. Seti yakakwana yemaseva nesoftware isina waya module, inotsigira RS485 GPRS /4g/WIFI/LORA/LORAWAN

Kuti uwane mamwe maSENSOR ruzivo,

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