Zi geɖe la, analog resistive senders siwo wozãna tsã la doa kpo nu le ƒumelãwo ƒe nɔnɔme sesẽwo me. Nugoa ƒe ʋuʋu sesẽ, dzetsi ƒe xɔxlɔ̃ ɣesiaɣi, kple mɔ̃wo ƒe kadodo ƒe vuvu nana be ʋua ƒe ʋuƒoa ƒe nuxexlẽ metoa mɔ ɖeka o. Zi geɖe la, tɔdziʋukulawo kpɔa sensor ƒe gbagbã le vome le ƒutamɔzɔzɔwo me.
Egbegbe nukpɔkpɔ siwo wɔa dɔ vovovowo (MFD) kple dijitaal tɔtrɔmɔ̃wo bia be woawɔ didiƒekpɔmɔ̃ ɖaa. Trɔ ɖe dijitaal networkwo abe NMEA 2000 alo SAE J1939 dzi nana be kadodo si me kuxi aɖeke mele o le wò ʋuwo dome. Ŋuɖoɖo ɖe analog-nu siwo do xoxo ŋu hea ŋkuagbãtɔ siwo me afɔku le vɛ le ami zazã me.
Mɔfiame sia naa numekuku ƒe ɖoɖo si wowɔ ɖe ɖoɖo nu hena egbegbe xɔtunuwo gbɔgblɔ. Míadzro dijitaal ɖoɖowo, nu vevi siwo hiã, kple tank geometry calibration sesẽ me. Àsrɔ̃ alesi nàtia sensor nyuitɔ evɔ màde network ƒe masɔmasɔ afɔku me o.
Nu Vevi Siwo Wotsɔna Yia Nu
Protocol dictates compatibility: Kpɔ egbɔ be wowɔ ɖeka pɛpɛpɛ le sensor ƒe protocol (NMEA 2000 vs. J1939) kple tɔdziʋua ƒe core network dome.
Nusiwo woatsɔ awɔ dɔe tiatia nye nusi ŋu womate ŋu awɔ ɖoɖo ɖo o: Gblɔ SUS316 alo 316L gakpo si mexɔ dzo o ko be wòaxe mɔ ɖe dzetsi ƒe xɔxlɔ̃ kple ami ƒe gbegblẽ nu.
Damping matters: Di sensor siwo si algorithmic alo mechanical anti-slosh ŋutetewo le be woalé nuxexlẽ siwo li ke le atsiaƒu sesẽwo me.
Tank geometry bia be woawɔ calibration: Afɔti alo V-nɔnɔme ƒe hull tanks hiã multipoint programmable sensors hena volumetric ƒe nyateƒetoto vavãtɔ, ke menye linear depth ɖeɖeko o.
Dzidzedzekpɔkpɔ ƒe Dzesidedewo Ðoɖo na Ƒumelãmemi ƒe Agbɔsɔsɔme Dɔla
Wò tɔdziʋua dodo ɖe ŋgɔ bia be nàɖe dzidzedzekpɔkpɔ gɔme nyuie. A si ŋu kakaɖedzi le ele be ƒumelãmi ƒe agbɔsɔsɔme ɖoɖola naɖo dijitaal gɔmeɖoanyi si ŋu vodada aɖeke mele o. Ele be wòana teƒe kuku zero tso aʋawɔʋua tame vaseɖe ete. Ele be mɔ̃a nado ka kple wò nukpɔkpɔ si wɔa dɔ geɖe la le eɖokui si. Ele be nàƒo asa na analog-to-digital converters siwo mebɔbɔ o dede eme. Domegbo siawo hea kpododonu ƒe teƒe siwo mehiã o vɛ. Dzidzedzekpɔkpɔ vavãtɔ fia be woakpɔ nusiwo anɔ anyi ɣeyiɣi didi evɔ womalé be na wo atraɖii o.
Ele be nàƒo asa na kpododonu ƒe nɔnɔme siwo bɔ siwo do ƒome kple akpa siwo le ɖoƒe si bɔbɔ ɖe anyi wu la vevie. Zi geɖe la, amesiwo ɖoa nu ɖe amewo ƒe asi bɔbɔe la kpea fu le tsi si le tsia dzi ƒe ƒoƒo ɖe ʋuƒoa me ta. Woɖea tameɖoɖo kplikpaa si mesɔ o hã fiana. Àte ŋu akpɔ ami ƒe nuxexlẽ gãwo ƒe titri kpata le esi teƒe be nàkpɔ tɔtrɔ siwo le bɔbɔe. Galvanic ƒe xɔxlɔ̃ gblẽa ga siwo bɔbɔ ɖe anyi wu la kabakaba le dzetsi ƒe nɔnɔmewo me. Wò aʋawɔʋua takpɔkpɔ bia be nàtia nusiwo ŋu wotrɔ asi le koŋ na ƒumelãwo ƒe ʋuʋu.
Hardware me toto bia be woada ga si woazã do ŋgɔ la akpɔ kple ga si woadzra ɖo ɖe dɔwɔwɔ ŋu ɣeyiɣi didi. Digitál dɔdzikpɔla siwo xɔa ŋgɔ la hiã be woade ga geɖe wu le gɔmedzedzea me. Gake woɖea ga si wozãna ɖe alakpa ɣlidodo siwo me ami mesɔ gbɔ ɖo o ŋu dzi kpɔtɔna ŋutɔ. Gauge-wo ƒe ɖiɖi kpata gblẽa asitsatsa ƒe ƒudzidɔwo me eye wògblẽa modzakaɖemɔzɔzɔwo me. Gadede nyonyo me xea mɔ na xɔtunuwo ɖɔliɖɔli kaba. Enaa wò nugoa megena ɖe dzraɖoƒea o eye wònɔa tsia dzi.
Network Protocol Alignment: NMEA 2000 vs. J1939 Ƒudziʋawɔʋuwo Dzi Kpɔkpɔ
Digitál protocol nyuitɔ tiatia xea mɔ na network ƒe ƒoƒo siwo gblẽa nu le ame ŋu. Dzidzenu eve koŋ dzie ƒudzidɔwɔƒewo ɖoa ŋu ɖo. Ele be nàwɔ wò sensor tiatia la wòasɔ kple wò akɔta si li fifia.
NMEA 2000 (N2K) ƒe Ðekawɔwɔ
NMEA 2000 ye xɔ aƒe ɖe modzakaɖeʋuwo kple asitsaʋu siwo me mekɔ o me. Ezãa gbedasiwo ɖoɖoɖa ƒe ɖoɖo si woɖo ɖe ɖoɖo nu to Controller Area Network (CAN) dzi. Ebia DeviceNet micro-C kadodo siwo wozãna ɖaa. Àte ŋu atsɔ esiawo ade megbeƒu ƒe tee siwo li xoxo me bɔbɔe.
Wò dodokpɔ ƒe dzidzenu vevitɔe nye NMEA 2000 ƒe ɖaseɖigbalẽ si dziɖuɖua na. Sensor siwo ŋu woɖo kpee kpɔa egbɔ be plug-and-play ƒe ɖekawɔwɔ kple adzɔha gãwo abe Garmin, Raymarine, alo Simrad ene. Knockoff siwo ŋu womeɖo kpee o la tsɔa nyatakakawo ƒe agbalẽviwo ƒua gbe. Zi geɖe la, wonaa nukpɔkpɔ ƒe tsikpe alo network reset.
SAE J1939 ƒe Ðoɖowɔwɔ
Ƒudziʋu siwo dzraa nu sesẽwo, ʋu siwo hea ʋu, kple ʋu siwo tsɔa diesel kpekpewo lɔ̃a SAE J1939 ƒe ɖoɖowɔɖi. Dzidzenu sia ɖoa dze kple mɔ̃ sesẽwo ƒe Elektrɔnik Dzɔdzɔmeŋusẽŋununya (ECUs) tẽ. Ekpɔa dɔléle ŋuti nyatakaka gbogbo aɖewo gbɔ.
Ne wole ewɔm J1939 marine tank monitoring , ele be nàda dzɔtsoƒe adrɛs ƒe ɖoɖowɔwɔ kpɔ. Mɔ̃a hiã na baud rate matching ŋutetewo. J1939 network akpa gãtɔ wɔa dɔ le 250 kbps dzi. Ele be sensor la nalé eƒe ɖoɖo ɖe te le ŋusẽ ƒe tsatsam me.
Afɔku Siwo Le Dual-Protocol Sensors Ŋu
Nudzrala aɖewo naa 'dual-protocol' sensor siwo ƒe asi bɔbɔ siwo gblɔna be yewodoa alɔ NMEA 2000 kple J1939 siaa le ɣeyiɣi ɖeka me. Ele be nàƒo asa na unit siawo. Zi geɖe la, womekpɔa xɔtunuwo ƒe vovototodedeameme nyuie o. Ƒã hafi woɖea kadodomɔnu siwo ŋu woɖo kpee fiana. Dzidzenuwo tsakatsaka le chip ɖeka si ŋu womeɖo kpee o dzi ate ŋu ana vodada ƒe nɔnɔmetatawo nayɔ CAN bɔs la me.
Ƒumelãwo gblẽa xɔtunu siwo mede ŋgɔ o la kabakaba. A si ŋu kakaɖedzi le Ele be CAN bus fuel level sensor nate ŋu anɔ te ɖe ʋuʋu atraɖii, dzoxɔxɔ ƒe tɔtrɔ, kple atike siwo gblẽa nu le ame ŋu nu.
Nudidi Siwo Ku Ðe Nuwo ƒe Fɔmaɖimaɖi Ŋu
Nusiwo woatsɔ awɔ dɔe tiatiae gblɔa mɔ̃a ƒe agbenɔƒe. Ele be nàte tɔ ɖe SAE 316 alo 316L gakpo si mexɔ dzo o dzi na sensor ƒe ŋutilã bliboa. Ƒo asa na 304 gakpo si mexɔ dzo o. Molybdenum si hiã be wòate ŋu anɔ te ɖe dzetsi ƒe dowo nu mele eme o. Mègazã plastic sensor tubes na mɔ̃memi zazã le xɔa te gbeɖe o. Plastikwo gblẽna kabakaba ne wotsɔ wo de egbegbe ethanol tsakatsaka alo diesel-nu siwo me wodea nu sesẽwoe me.
Dzesidede Mɔ̃ɖaŋununya si Wotsɔ Kpɔa Nuwo Gbɔ
Zi geɖe la, mɔ̃ɖaŋununya eve siwo ŋu kakaɖedzi le siwo wotsɔ dea dzesi nu le asiwò si nàte ŋu atia le ƒudzidɔwo wɔwɔ me.
Reed Switch kple Magnetic Float: Mɔ̃ɖaŋununya sia zãa magnet-switch siwo le eme la ɖe wo nɔewo yome. Woate ŋu aka ɖe edzi ŋutɔ. Gake eƒe nyateƒetoto nɔ te ɖe ememe ʋuƒoawo ƒe kpekpeme dzi. Ele be nàɖo taɖodzinu na kpɔɖeŋu siwo naa afɔɖeɖe ƒe vovototo si nye 10-21mm.
Capacitive Sensing: Esiawo nye mɔ̃ siwo le nɔnɔme sesẽ me eye akpa aɖeke mele ʋuʋum o. Wonaa tameɖoɖo kplikpaa si yia edzi afɔɖeɖe aɖeke manɔmee. Gake wobia be woawɔ dielectric calibration sesẽ aɖe. Tɔtrɔ siwo vaa mɔ̃memi ƒomeviwo me (trɔtrɔ tso diesel si wozãna ɖaa dzi yi biodiesel dzi) ate ŋu atrɔ dielectric constant kple skew readings.
Anti-Slosh kple Damping ƒe nɔnɔmetatawo
Tɔdziʋuwo ƒe ɖiɖi kple ʋuʋu ɣesiaɣi. Ʋuʋu sia nana ami ƒua du sesĩe. Ne womeɖe tsi o la, wò gauge-aŋea aʋuʋu le mɔ si mesɔ o nu. Digitál sensor deŋgɔwo zãa kɔmpiutadziɖoɖo-level signal damping. Woxlẽa nuxexlẽawo le mamã dedie nu le sɛkɛnd ʋɛ aɖewo me hafi kakaa CAN gbedasia. Mɔ̃ aɖewo zãa mɔ̃ siwo wotsɔ xea mɔ na tsi si le tsia dzi la. Èhiã mɔnu siawo dometɔ ɖeka ya teti be nàkpɔ egbɔ be nyatakaka siwo li ke.
Nutome ƒe gege ɖe eme ƒe Dzidzedzekpɔkpɔ
Sensor la ƒe tame dze ŋgɔ bilge tsi, tsi si ƒona, kple tsilele ɣeaɖewoɣi. Ele be sensor ƒe ta kple kaƒomɔ̃a natsɔ IP67 ƒe dzeside abe nu suetɔ kekeake ene. IP68 ƒe dzesidewo naa ametakpɔkpɔ si nyo wu gɔ̃ hã tso tsi me nɔnɔ atraɖii me.
Dɔwɔwɔ Sesẽ Tank Geometry kple Calibration
Ƒã hafi tɔdziʋuwɔlawo zãa amiɖaka siwo le dzogoe ene me bliboe. Aʋawɔʋua ƒe nɔnɔmewoe gblɔa aʋawɔʋua ƒe nɔnɔme sesẽ siwo mewɔ ɖeka o. Geometri ƒe nyateƒenya sia hea kuxi gã aɖe vɛ na flidzidzenu siwo wozãna ɖaa.
Linear Versus Volumetric Kuxia
Sensor siwo wozãna ɖaa dzidzea tsi la ƒe goglome. Wonana linear output si wotu ɖe kɔkɔme dzi. Goglome ƒe nuxexlẽ si le fli me le ʋua ƒe ʋuƒo si ƒe nɔnɔme le abe V ene dzi ɖea ami ƒe agbɔsɔsɔ ŋutɔŋutɔ si susɔ la fiana le mɔ gbegblẽ nu kura. V-tank ƒe afã si le etame la léa ami geɖe ŋutɔ wu afã si le ete si le gbadzaa. Ne linear sensor xlẽ 50% ƒe goglome la, ate ŋu anye be eƒe ami ƒe agbɔsɔsɔme bliboa ƒe 25% koe anɔ amiɖaka la me. Masɔmasɔ sia nana be dɔwɔlawo bua woƒe didime si susɔ la wògbɔa eme.
Multipoint Calibration si woate ŋu awɔ ɖoɖo ɖe eŋu
Èkpɔa kuxi sia gbɔ to dijitaal sensor si woate ŋu awɔ ɖoɖo ɖe eŋu tiatia me. CAN bɔs ƒe kpɔɖeŋu deŋgɔwo ɖea mɔ ɖe OEM alo zãla ƒe ɖoɖo si wowɔ ɖe ɖoɖo nu ƒe nɔnɔmetatawo wɔwɔ ŋu. Àte ŋu ade gbeɖiɖi ƒe sesẽme si nye teƒe 5 alo teƒe 10. Sensor ƒe kɔmpiutadziɖoɖoa wɔa tsi ƒe kɔkɔme tɔxɛwo ƒe nɔnɔmetata ɖe galɔn alo lita ƒe asixɔxɔ ŋutɔŋutɔ dzi. Esia trɔa flidzidzenu xoxo aɖe wòzua volumetric output si sɔ pɛpɛpɛ. Wò MFD ɖea ami vavã si woate ŋu azã la afia.
Kpɔɖeŋu ƒe Ðoɖowɔwɔ na Tɔdziʋu Siwo Me Aʋawɔʋu Geɖewo Le
Tɔdziʋu gãwo zãa amiɖaka geɖe. Ðewohĩ Port, Starboard, kple Center aʋawɔʋuwo anɔ asiwò. Ele be CAN bɔs ƒe kadodoa nade vovototo dzɔdzɔmetsoƒe siawo dome. Ele be sensor la naɖe mɔ na 'Data Instances.' gbugbɔɖoɖo bɔbɔe Ne èɖo instance xexlẽdzesi la, èxe mɔ na MFD be wòagatɔtɔ Port tank data kple Starboard tank data o. Di sensor siwo naa instance programming dɔwɔnu bɔbɔewo alo dip-switch configurations.
Dɔwɔwɔ ƒe Nyateƒenyawo Kple Afɔku Siwo Le Dɔwɔwɔ Ŋu
Hardware nyuitɔ kekeake gɔ̃ hã doa kpo nu ne wodae ɖe eme nyuie o. Zi geɖe la, mɔxenu ŋutɔŋutɔwo kple network topologywoe fiaa wò gbugbɔgaɖɔɖo ƒe dzidzedzekpɔkpɔ.
Flange kple Mounting Dzidzenuwo
Ele be wò sensor yeyea nasɔ kple lãɖeɖe ŋutɔŋutɔ si le wò aʋawɔʋua dzi. Ƒudziʋu akpa gãtɔ zãa SAE ƒe do 5 ƒe xɔtuɖoɖo si wozãna ɖaa. Bubuwo zãa melidzeƒe siwo wotsɔ ka wɔe. Ne ka le wò tank me la, ele be nàgblɔ ka ƒe kɔkɔme nyuitɔ, abe 1.25' BSP kadodo ene. Lé ŋku ɖe nutrenu ƒe gasket ŋu nyuie. Standard rubber gblẽna le diesel me. Ele be nàzã NBR, FPM, alo FKM (Viton) gaskets hena atikewo ƒe tsitretsitsi sesẽ.
Network Topology ƒe Mɔxenuwo
CAN bɔswo ƒe kadodowo zɔna ɖe xɔtuɖaŋu ƒe se sesẽwo dzi. Màte ŋu atsɔ ka aƒo ƒu ɖekae ko o. Le NMEA 2000 gome la, ka siwo wotsɔna ƒua gbe la doa ka kple sensor la kple akɔta gã la. Didime si woɖe mɔ na na ka si wotsɔna ƒua gbee nye meta 6 (anɔ abe afɔ 20 ene). Ne èwu didime sia la, egblẽa nyatakaka ƒe dzesi la me. Tsɔ kpe ɖe eŋu la, ele be network ƒe megbeƒu vevitɔa nanye termination resistors nyuiwo le eƒe nuwuwu eveawo. Terminator siwo bu nana kadodoa me gblẽna enumake.
Clearance kple Baffle ƒe Nuwuwu
Ƒudziʋu gã geɖe me xɔtunu siwo wotsɔ xea mɔ na wo le ememe. Ga gbadzɛ siawo xea mɔ na ami ƒe tɔtrɔ gãwo le tɔtrɔɣiwo. Ele be nàbu akɔnta le afɔti ŋutɔŋutɔ si le sensor float la ŋu. Kpɔ egbɔ be mɔ̃ si wotsɔna tsia tsia dzi la maƒo alo atutu atsiaƒua ƒe ʋuƒo siwo le eme o. Float si wotsɔ tutum la va léna ɖe eŋu mlɔeba. Enaa teƒe kuku siwo nɔa anyi ɖaa nɔa wò nuxexlẽwo me. Tsɔ akaɖi lé ŋku ɖe aʋawɔʋua ƒe eme ŋu ɣesiaɣi hafi nàtsɔ nu yeyea aƒu gbe ɖe teƒea.
Susu Siwo Wotsɔ Ðoa Nu Kpuie: Ale Si Nàwɔ Nyametsotso Mamlɛa
Mɔzɔzɔ le nɔnɔmeawo ŋuti ɖoɖoa me bia be woawɔ mɔnu si sɔ. Wɔ ɖe afɔɖeɖe sesẽ siawo dzi be nàtu xɔtunu nyuitɔ na wò tɔdziʋua.
Dzro network si li fifia me: De dzesi wò MFD ƒe dzesi kple eƒe nɔnɔme si nèzãna fifia. Kpɔe ɖa be èle NMEA 2000 ƒe megbeƒu alo J1939 ƒe xɔtuɖaŋu zãm hã. Xlẽ ʋɔtru siwo le ʋuʋu ɖi siwo li le wò network tees dzi.
Dzidze tsigoa ƒe goglome nyuie: De dzidzenu sesẽ aɖe tsigoa me be nàkpɔ ememe goglome tututu. Ðo se na sensor ƒe didime 10 va ɖo 25mm kpuie wu goglome gãtɔ sia. Dometsotso sia xea mɔ na sensor la be megadzea anyi o. Ekpɔa ʋua ta tso ʋua ƒe ʋuƒoa ƒe ʋuʋu kple mɔ̃wo ƒe gbegblẽ me.
Wɔ nudzralawo ƒe numekuku tsitotsito: Mègaƒle ŋkuagbãtɔ o. Bia mɔ̃ɖaŋu ŋuti nyatakakawo tso adzɔnuwɔƒea gbɔ. Kpɔ woƒe ɖoɖowɔɖi ƒe ɖaseɖigbalẽ xexlẽdzesi siwo dziɖuɖua da asi ɖo la ɖa. Kpɔ egbɔ be nusiwo wotsɔ wɔe nye nyateƒe 316L gakpo si mexɔ dzo o. Dzro woƒe mɔɖegbalẽ ƒe sewo me na ƒudzidɔwo wɔwɔ.
Afɔɖeɖe si kplɔe ɖo: Ƒo wò tɔdziʋua ƒe aʋawɔʋu ƒe nɔnɔmetatawo nu ƒu. Ŋlɔ wò network ƒe xɔtuɖoɖo si li fifia ɖi. Tsɔ nɔnɔme siawo vɛ na nudzrala siwo nètia hafi nàbia be woaxe ga home si woaxe le se nu. Dzadzraɖo sia xea mɔ na masɔmasɔ siwo xɔa ga geɖe.
Nyanuwuwuw
Digitál fuel telemetry dɔwɔnu nyuitɔ tiatia bia ɖoɖowɔwɔ nyuie. Enye kamedede le dijitaal kadodo ƒe ɖoɖowo tsɔtsɔ sɔ kple gaŋutinunya sesẽ si sɔ kple ƒudzinuwo me. Analog-mɔ̃wo megawɔa egbegbe tɔdziʋuwo dzi kpɔkpɔ le mɔ̃ dzi ƒe didiwo gbɔ o.
Tsɔ network ƒe ɖaseɖigbalẽ si dziɖuɖua na ɖo nɔƒe gbãtɔ wu dual-protocol claims siwo ŋu womeɖo kpee o.
Te tɔ ɖe edzi be woazã gakpo si mexɔ dzo o si ƒe lolome nye 316L be wòanɔ anyi didi wu dzetsi sesẽwo ƒe nɔnɔmewo.
