Ho beha leihlo maemo a lisebelisoa tsa metsi kapa tse ngata ho bohlokoa liindastering tse fapaneng, ho kenyeletsoa likoloi, taolo ea tšebetso ea indasteri, tlhoekiso ea metsi le lisebelisoa tsa lapeng. Ho khetha se nepahetseng phetoho ea boemo e bohlokoa ho netefatsa polokeho, ts'ebetso le ts'epahalo ea ts'ebetso. Ho khetha sesebelisoa sa boemo ho kenyelletsa ho fetang feela ho khetha sensor-ho hloka ho utloisisa litlhoko tsa hau tsa kopo, sebaka se mahareng, tikoloho ea ts'ebetso, litlhoko tse nepahetseng, le ho hokahana le litsamaiso tsa taolo.
Phetoho e khethiloeng ka nepo e thusa ho qoba ho hloleha ha thepa e theko e boima, e fokotsa litlhoko tsa tlhokomelo, 'me e etsa bonnete ba ho beha leihlo ka nepo le ka nako ea lino kapa lisebelisoa tse ngata. Khetho e fosahetseng e ka lebisa ho li-alarms tsa bohata, ho tlatsa ho tlōla, maemo a omileng, kapa likotsi tsa polokeho. Sengoliloeng sena se fana ka tataiso e felletseng mabapi le mokhoa oa ho khetha switch ea boemo, ho kenyelletsa le mefuta ea li-switches tse fumanehang, lintlha tsa bohlokoa tse susumetsang khetho, mehato e sebetsang, le mekhoa e metle. Ho latela tataiso ena ho tla thusa baenjiniere, batsamaisi ba litsi, le baqapi ba sistimi ho etsa liqeto tse nang le tsebo tse ntlafatsang ho nepahala, ho fokotsa nako, le ho ntlafatsa ts'ebetso ea sistimi ka kakaretso, ho netefatsa tharollo e tšepahalang e lumellanang le litlhoko tse ikhethang tsa ts'ebetso.
1. Ho Utloisisa Liphetoho tsa Boemo
1.1 Phetoho ea Boemo ke Eng?
Ho fetola boemo ke sesebelisoa se sebelisetsoang ho lemoha boteng kapa ho se be teng ha ntho e metsi kapa e ngata sebakeng se itseng. Ho fapana le li-sensor tse tsoelang pele, tse fanang ka tekanyo ea nako ea 'nete ea bophahamo ba mokelikeli, li-switches tsa boemo hangata li sebetsa joalo ka matšoao a boemo ba ntlha. Ba hlahisa alamo, ba kenya pompo, kapa ba romela letšoao tsamaisong ea taolo ha thepa e fihla bophahamong bo behiloeng esale pele.
Li-switches tsa maemo li bohlokoa ho netefatsa polokeho le ts'ebetso e sebetsang hantle. Li thusa ho boloka maemo a mokelikeli a nepahetseng, ho thibela ho phalla kapa ho omella ha lipompo, le ho kopanya le litsamaiso tse ikemetseng ho boloka botsitso ba ts'ebetso. Sepheo se seholo sa phetoho ea boemo ha se tekanyo e tsoelang pele empa ho fumanoa ka nepo lintlheng tsa bohlokoa, tseo hangata li lekaneng bakeng sa likopo tse ngata tsa indasteri le tsa malapeng.
Li-switches tsa maemo li sebelisoa ho pholletsa le indasteri ka merero e kang:
Taolo ea pompo
Lialamo tsa boemo bo holimo
Tšireletso ea boemo bo tlaase
Taolo ea ts'ebetso e ikemetseng
Ho beha leihlo maemo a thepa ka har'a litanka kapa li-silo
1.2 Ke Hobane'ng ha ho Khetholla Boemo bo Nepahetseng ho Fetola Litaba
Ho bohlokoa ho khetha sesebelisoa sa boemo bo nepahetseng hobane lits'ebetso tse fapaneng li na le litlhoko tse fapaneng ho latela ho nepahala, ho tšoarella le ho lumellana. Ho khetha mofuta o fosahetseng oa switjha ho ka fella ka ho bala ho sa nepahalang, tlhokomelo e sa hlokahaleng, ho hloleha ha sistimi, esita le likotsi tsa polokeho. Khetho e nepahetseng e tiisa:
Litekanyo tse nepahetseng le tse phetoang, tse fokotsang kotsi ea ho tlala kapa maemo a omileng
Ho lumellana le tikoloho e bohareng le e sebetsang, ho lelefatsa bophelo ba kutlo
Ho fokotsa nako ea tlhokomelo le ho fokotsa nako, ho ntlafatsa ts'ebetso ea ts'ebetso
Ho lumellana le litekanyetso tsa polokeho le taolo, ho netefatsa ts'ebetso e bolokehileng
Ntle le moo, ho khetha switch e nang le likarolo tse nepahetseng, joalo ka lintlha tse feto-fetohang, kaho e matla, kapa theknoloji e tsoetseng pele ea kutlo, e ka ntlafatsa haholo bophelo bo bolelele le ts'epahalo ea sistimi. Ho utloisisa litlhoko tsa ts'ebeliso le litšitiso tsa tikoloho ke mohato oa pele oa ho fihlela tlhahlobo e nepahetseng le e tšepahalang ea boemo ba mokelikeli.
2. Hlalosa Litlhoko tsa hau tsa Kopo
2.1 Mofuta oa Mahareng
Ho bohlokoa ho utloisisa mofuta oa li-medium ha u khetha sekhahla sa boemo. Mecha ea litaba e fapaneng e na le thepa e fapaneng ea 'mele le ea lik'hemik'hale e ka amang ts'ebetso ea sensor:
Liquids: Metsi, oli, libeso, lik'hemik'hale, le li-slurries e 'ngoe le e' ngoe e na le matla a ikhethang, viscosity, conductivity le litšobotsi tsa dielectric. Ho bohlokoa ho khetha sesebelisoa se ka sebetsang hantle le mofuta o itseng oa mokelikeli.
Lintho tse tiileng tse ngata: Phofo, lijo-thollo, li-pellets, le lehlabathe li hloka lisensara tse khonang ho mamella ho bokellana ha likaroloana, lerōle le ho phalla ho sa tloaelehang.
Mochine o mong le o mong o beha lithibelo ho mofuta oa switch o tla sebetsa ka ts'epo. Ka mohlala, maro a phophomang, lintho tse bonahalang haholo, kapa maro a nang le lik'hemik'hale tse matla li hloka lisensara tse etselitsoeng ho sebetsana le maemo ana ntle le ho baka kapa ho senyeha ha 'nete.
2.2 Tikoloho ya Tshebetso
Tikoloho ea ts'ebetso e phetha karolo ea bohlokoa ho ts'ebetso ea switjha le ho tšoarella. Lintlha tsa bohlokoa tsa tikoloho li kenyelletsa:
Thempereichara: Li-sensor li tlameha ho mamella mocheso o phahameng le o tlase ntle le ho fetola sebaka sa tsona sa ts'ebetso kapa botšepehi ba mochini. Lithempereichara tse feteletseng li ka ama matla a float kapa likarolo tsa elektroniki ho li-capacitive le optical switch.
Khatello: Litanka tsa khatello e phahameng li hloka li-switches tse matla tse ka bolokang ts'ebetso e nepahetseng tlas'a khatello ea maikutlo.
Mekelikeli e senyang kapa e mabifi: Ho hanyetsa lik'hemik'hale tsa lisebelisoa tsa sensor ho netefatsa ho ts'epahala ha nako e telele libakeng tse nang le asiti, alkaline kapa tse ling tse mabifi.
Maemo a holim'a metsi: Moferefere, foam, kapa bubble li ka baka ts'ebetso e fosahetseng ho lisensara tse ling, tse hlokang mahlale a khonang ho sebetsana le maemo a joalo.
Tekolo e nepahetseng ea tikoloho ea ts'ebetso e netefatsa hore sesebelisoa sa boemo bo khethiloeng se tla sebetsa ka ts'epahalo ho feta nako e lebelletsoeng ea bophelo.
2.3 Litlhokahalo tsa Tekanyo
Ho hlalosa litlhoko tsa tekanyo ho thusa ho fokotsa li-switches tse loketseng:
Ho lemoha ntlha e le 'ngoe khahlano le lintlha tse ngata: Na u hloka lialamo tse holimo/tlase feela, kapa li-threshold tse ngata? Lintlha tse ngata li lumella taolo e nepahetseng haholoanyane le tlhahlobo ea ts'ebetso.
Litlhoko tse nepahetseng: Lisebelisoa tse ling li hloka ho nepahala ha boemo ba millimeter, ha tse ling li ka sebetsa ka mamello ea boemo ba lisenthimithara.
Letšoao la sephetho: Nahana ka mofuta oa lets'oao le hlokahalang - likhokahano tsa switch switch, analog voltage/current, kapa puisano ea dijithale bakeng sa ho hokahana le litsamaiso tsa PLC kapa SCADA.
2.4 Litšitiso tsa ho Kenya
Sebaka le mokhoa oa ho kenya li ka ama ts'ebetso haholo:
Meeli ea sebaka: Li-switches tse ling li hloka sebaka se emeng, liliba tse khutsitseng, kapa matlo a ts'ireletso hore a sebetse hantle.
Maikutlo: Ho tsamaisana hantle le boemo ba ho hloella ho bohlokoa bakeng sa motsamao oa ho phaphamala le ho hlahloba.
Liquid dynamics: Ho ferekana, maqhubu, kapa moferefere ho ka baka ho bala ka bohata; ho sebelisa seliba se khutsitseng kapa ho kenya ts'ireletso ho ka fokotsa liphello tsena.
Ho nahana ka litšitiso tsa ho kenya kapele ho thibela mathata a ts'ebetso mme ho fokotsa litlhoko tsa tlhokomelo hamorao.
3. Bapisa Mefuta e Fapaneng ea Liphetoho tsa Boemo
3.1 Phetoho ea Boemo ba Phallo
Phapang e phaphamalang e na le float e matla e nyolohang kapa e theohang le boemo ba mokelikeli, 'me ka mochini o kenya switch ha ho fihleloa moeli.
Melemo:
E bonolo, e boloka chelete, 'me e fumaneha hohle
Ho bonolo ho kenya le ho hlokomela
E ts'epahala bakeng sa taolo ea mantlha ea ON/OFF ka lino tse khutsitseng
Meeli:
Ho nepahala ho tlase ka lebaka la mamello ea mochini le motsamao oa float
E na le kutloelo-bohloko ha ho e-na le moferefere, ho foqoha lekoeba kapa ho fafatsoa
E kanna ea hloka litataiso tse sirelletsang ho qoba ho khomarela kapa ho se tsamaisane hantle
Lisebelisoa tse tloahelehileng: Taolo ea pompo, lialamo tsa boemo bo holimo / bo tlase ka har'a maro a hloekileng
3.2 Capacitive Level Switch
Li-Capacitive switches li lemoha boteng ba medium ka ho lekanya liphetoho tsa capacitance pakeng tsa probe le lebota la tanka kapa probe ea litšupiso.
Melemo:
Kutlo e phahameng le ho nepahala ha boemo ba millimeter
E khona ho bona mekelikeli e tsamaisang le e seng conductive
Sebaka sa ho lemoha se feto-fetohang bakeng sa litekanyo tse ngata
Meeli:
E hloka tlhophiso bakeng sa ho nepahala hantle
Ts'ebetso e ka fapana ho ea ka thepa e mahareng joalo ka density le dielectric constant
Lisebelisoa tse tloaelehileng: Mekelikeli ea indasteri, litanka tsa lik'hemik'hale, li-automation
3.3 Optical Level Switch
Li-switches tsa Optical li itšetleha ka prism kapa sensor e khanyang e fetolang ponahalo ha e kopane le mokelikeli.
Melemo:
Nako ea karabo e potlakileng le ts'ebetso eo e seng ea puisano
Tlhokomelo e fokolang ea maro a hloekileng
Moralo o kopaneng oa libaka tse koaletsoeng
Meeli:
E loketse hantle bakeng sa maro a hlakileng kapa a sa fooheng
Ts'ebetso e anngoeng ke mecha ea phatlalatso ea opaque kapa turbid
Lisebelisoa tse tloaelehileng: Litsamaiso tsa laboratori, litanka tsa metsi a hloekileng, oli e khanyang
3.4 Ho thothomela / Ho lokisa Fork Level Switch
Li-switches tse sisinyehang li lemoha phetoho ea maqhubu a ho sisinyeha ha probe e kopana le mokelikeli.
Melemo:
Ho nepahala ho phahameng le ho pheta-pheta
E loketse lino tse foamy, viscous, kapa tse senyang
E hanana le ho tsosa moferefere o fosahetseng
Meeli:
Litsenyehelo tse phahameng ho feta li-switches tse bonolo
E hloka ho holisoa ho matla le ho hlokomeloa nako le nako
Lisebelisoa tse tloaelehileng: metsi a litšila, oli e boima, li-slurries
3.5 Phetoho ea Boemo ba ho khanna / Electrode
Li-switch tsa electrode li lemoha maro a tsamaisang metsi ka potoloho ea motlakase.
Melemo:
E bonolo ebile e ka tšeptjoa
Tlhokomelo e tlase
E sebetsa hantle ka li-conductive fluid
Meeli:
E sebetsa feela ka li-conductive media
Ha e nepahale hantle ka maro a rarahaneng kapa a silafetseng
Lisebelisoa tse tloaelehileng: Phekolo ea metsi, litanka tsa lik'hemik'hale tsa indasteri
3.6 Lethathamo la Papiso
Mofuta oa phetoho ea boemo |
Melemo |
Mefokolo |
Lisebelisoa tse Tloaelehileng |
Phapang Phetoho |
E bonolo, e boloka chelete |
Ho nepahala ho tlase, ho nahanela maqhubu |
Taolo ea pompo ea mantlha, lialamo |
Capacitive |
Ho nepahala ho phahameng, ho tenyetseha |
E hloka teka-tekano |
Mekelikeli ea indasteri, litanka tsa lik'hemik'hale |
Optical |
E potlakile, e sa kopane |
Ke tsa maro a hloekileng feela |
Metsi a hloekileng, oli e bobebe |
Fork e sisinyehang |
E nepahetse, e mamella mapheo |
Litsenyehelo tse phahameng |
Li-sludges, lero la viscous |
Mokhanni / Electrode |
E ka tšeptjoang, e bonolo |
Feela conductive media |
Phekolo ea metsi, litanka tsa lik'hemik'hale |
4. Nahana ka Lintlha Tse Eketsehileng
4.1 Tlhokomelo le Tekanyetso
Ho hlahlojoa khafetsa le ho lekanya ho bohlokoa ho boloka ho nepahala le bophelo ba sensor. Tšebeliso e mpe, ho roala ha mochini, le ho thella ha matšoao ho ka fokotsa ts'ebetso ha nako e ntse e ea. Tlhokomelo e hlophisitsoeng e thusa ho netefatsa hore switch e tsoela pele ho sebetsa sebakeng sa eona sa ts'ebetso, ho boloka ts'epo ea sistimi.
4.2 Polokeho le Boikamahanyo
Liphetoho tsa maemo li tlameha ho ikamahanya le maemo a polokeho, haholo-holo libakeng tse kotsi kapa tse senyang. Meralo e thibelang ho phatloha, lisebelisoa tse hananang le lik'hemik'hale, le litifikeiti li netefatsa ts'ebetso e bolokehileng le e tšepahalang.
4.3 Kopanyo le Litsamaiso tsa Taolo
Liphetoho tsa boemo ba sejoale-joale hangata li sebelisana le litsamaiso tse ikemetseng, ho kenyeletsoa li-PLC, SCADA, kapa sethala sa IoT. Ho lumellana le liprothokholo tsa puisano, mefuta ea tlhahiso ea matšoao, le litlhoko tsa kopanyo li lokela ho nahanoa nakong ea khetho.
4.4 Litšenyehelo & Lifecycle
Nahana ka bobeli lichelete tsa pele le litšenyehelo tsa nako e telele tsa ts'ebetso. Le ha li-switches tse tsoetseng pele li ka bitsa chelete e ngata ho ea pele, li fana ka ts'epo e kholo, litlhoko tse tlase tsa tlhokomelo, le nako e fokotsehileng ea nako, hangata e bakang litšenyehelo tse tlase tsa beng ka nako ea bophelo ba sensor.
5. Mehato e Sebetsang ea ho Khetha Phetoho ea Boemo bo nepahetseng
Hlalosa ts'ebeliso le mofuta oa sehare (mokelikeli, seretse, kapa se tiileng ka bongata).
Etsa qeto ea maemo a ts'ebetso, ho kenyelletsa mocheso, khatello, le ho lumellana ha lik'hemik'hale.
Hlalosa litekanyo le litlhoko tse nepahetseng, ho kenyeletsoa ho lemoha ntlha e le 'ngoe kapa lintlha tse ngata.
Lekola lithibelo tsa ho kenya, ho kenyeletsoa sebaka, tlhophiso, le matla a mokelikeli.
Bapisa mefuta e fapaneng ea li-switches ho fumana tse loketseng hantle bakeng sa ho nepahala, ho tšoarella nako e telele, le tšebelisano ea media.
Nahana ka tlhokomelo, polokeho, kopanyo, le lintlha tsa litšenyehelo ho netefatsa ts'epo ea nako e telele.
Kopana le morekisi ea nang le boiphihlelo ho fumana tataiso le litharollo tse ikhethileng ha ho hlokahala.
6. Qetello
Ho khetha switch ea boemo bo nepahetseng ho hloka tlhahlobo e phethahetseng ea sehare sa hau, tikoloho ea ts'ebetso , litlhoko tse nepahetseng, lithibelo tsa ho kenya, le litlhoko tsa ho kopanya tsamaiso. Le hoja li-switches tse bonolo tsa float li fana ka tharollo e theko e tlaase bakeng sa lits'ebetso tse otlolohileng, theknoloji e tsoetseng pele-e kang li-switches tsa capacitive, optical, kapa vibrating-li fana ka ho nepahala ho phahameng, ho tšepahala le ho sebetsa maemong a boima. Ho etsa bonnete ba hore boemo ba ts'ebetso bo tsitsitseng le bo nepahetseng bo kenyelletsa ho latela mokhoa o hlophisitsoeng oa khetho o nahanang ka lintlha tsohle tsa ts'ebetso le litlhoko tsa nako e telele tsa tlhokomelo. Ho sebelisana 'moho le setsebi se tšepahalang se kang Bluefin Sensor Technologies Limited ho ka nolofatsa ts'ebetso ena, ho fana ka tataiso ea setsebi mabapi le ho khetha sesebelisoa sa boemo bo loketseng ka ho fetisisa bakeng sa kopo ea hau e khethehileng. Bohlale ba bona bo akaretsa lihlahisoa tse fapaneng, ho kenyeletsoa li-switches tsa float le li-switches tse tsoetseng pele tse etselitsoeng liindasteri, likoloi le lits'ebeliso tsa lapeng. Ho sebetsa le mofani oa mofuta o joalo ho netefatsa hore sensor eo u e khethileng ha e kopane feela le litlhaloso tsa tekheniki empa hape e hokahana ka mokhoa o ts'oanang le lits'ebetso tsa hau, e ntlafatsa ts'ebetso le ts'epahalo. Bakeng sa likhoebo le baenjiniere ba batlang litharollo tse ka tšeptjoang tsa ho beha leihlo, ho buisana le Bluefin Sensor Technologies Limited ho ka thusa ho tseba sensor e nepahetseng le tšehetso e nepahetseng ea ho kenya, ho lekanya, le ts'ebetso e tsoelang pele, ho fana ka khotso ea kelello le ts'epo ea ts'ebetso lits'ebetsong tsohle.
7. LBH
Q1: Ke lintlha life tseo ke lokelang ho nahana ka tsona pele ha ke khetha switch ea boemo?
Hlalosa mofuta oa mahareng, tikoloho ea ts'ebetso, litlhoko tse nepahetseng, le lithibelo tsa ho kenya.
Q2: Ke mofuta ofe oa switjha oa boemo o molemo ka ho fetisisa bakeng sa metsi a foam kapa a viscous?
Li-vibrating / tuning fork kapa li-switches tsa capacitive li loketse mecha ea litaba e phephetsang.
Q3: Sebaka sa ho kenya se ama ts'ebetso ea phetoho ea boemo joang?
Maikutlo a nepahetseng, ho hlongoa, le ts'ireletso khahlanong le moferefere li netefatsa ts'ebetso e tšepahalang.
Q4: Na li-switches tsohle tsa boemo li hloka ho lekanyetsoa?
Li-switches tse tsoetseng pele joalo ka li-capacitive kapa li-vibrating sensors li hloka ho lekoa nako le nako; li-switches tse bonolo tsa float li ka hloka phetoho e fokolang.
Q5: Hobaneng ho le bohlokoa ho sebetsa le morekisi ea nang le boiphihlelo?
Bafani ba fana ka tataiso mabapi le khetho ea theknoloji, mekhoa e metle ea ho kenya, le litharollo tse ikhethileng bakeng sa ts'ebetso e nepahetseng.
