Tekanyo e fapaneng ea khatello e bapala karolo ea bohlokoa lits'ebetsong tsa indasteri le tsa khoebo, kaha e kenyelletsa ho beha leihlo le ho laola phapang ea khatello lipakeng tsa lintlha tse peli ka har'a sistimi. Mokhoa ona oa ho lekanya ha o netefatse ts'ireletso ea ts'ebetso feela empa o boetse o matlafatsa ts'ebetso ea matla le ho netefatsa boleng ba lihlahisoa le lits'ebeletso. Lits'ebetsong tsa ho futhumatsa, tsa moea le tsa moea (HVAC), khatello e fapaneng e sebelisoa ho lekola khanyetso ea phallo ea moea ea libapali, li-filters le li-ducts, ka hona ho ntlafatsa ts'ebetso ea sistimi le ho fokotsa ts'ebeliso ea matla. Ka mokhoa o ts'oanang, tlhahisong ea oli le khase, kalafo ea metsi le indasteri ea meriana, tekanyo ea khatello e fapaneng e bohlokoa bakeng sa ho lekola phallo ea mokelikeli, filthara le ts'ebetso ea pompo, ho thusa ho boloka ts'ebetso e tloaelehileng ea sistimi le ho thibela likotsi tse ka bang teng.
Li-transmitter tse fapaneng tsa khatello ke lisebelisoa tsa bohlokoa tsa ho fihlela sepheo sena. Ba ka fetola phapang ea khatello ea 'mele hore e be mats'oao a motlakase, a ka sebelisoang molemong oa ho beha leihlo le ho laola. Ka ho sebelisa likarolo tse thibelang khatello tse kang li-diaphragm, likhalase tsa khatello, kapa likristale tsa piezoelectric, li-transmitter tse fapaneng tsa khatello li lekanya ka nepo phapang ea khatello le ho hlahisa matšoao a 4-20 mA kapa 0-10 V. Matšoao ana a ka fetisetsoa ho li-dashboards, ho fumana data litsamaiso, kapa litsamaiso tsa taolo bakeng sa tlhahlobo le tokiso ea nako ea nnete.
Lisebelisoa tsa tekanyo ea khatello e fapaneng li pharalletse. Ha e thuse feela ho netefatsa ts'ebetso e bolokehileng ea lisebelisoa tsa indasteri le lits'ebetso, ho qoba khatello e feteletseng le likotsi tse amanang le tsona empa hape e ntlafatsa ts'ebetso ea matla le boleng ba sehlahisoa ka ts'ebetso e ntlafalitsoeng. Indastering ea meriana, tekanyo ea khatello e fapaneng e netefatsa ho nepahala ha mekhoa ea ho belisoa le ho hloekisa, ho netefatsa hore sehlahisoa sa ho qetela se kopana le litlhaloso le ho boloka tšepo ea bareki ho brand. Ka hona, ho latela pono ea polokeho, ts'ebetso le netefatso ea boleng, khatello e fapaneng le tekanyo ea eona ke likarolo tsa bohlokoa tsa mesebetsi ea sejoale-joale ea indasteri le ea khoebo.
Lits'ebetso tsa li-Differential Pressure Transmitters
Li-transmitters tse fapaneng tsa khatello ke likarolo tsa bohlokoa tsa li-automation tsa indasteri. Ka ho nepahala ha bona le botsitso bo phahameng, ba bapala karolo ea bohlokoa liindastering tse fapaneng tse kang li-petrochemicals, tlhahiso ea matla, metallurgy, phekolo ea metsi, lijo le lino, le meriana. Lisebelisoa tsena haholo-holo li sebelisa melao-motheo ea 'mele, joalo ka Bernoulli equation le static pressure principle, ho lekanya phallo, boemo ba mokelikeli, le boemo ba li-filters, ka hona li fana ka lintlha tsa bohlokoa ho tšehetsa mekhoa ea tlhahiso le tlhokomelo.
Tekanyo ea phallo ke sebaka se seholo sa ts'ebeliso bakeng sa li-transmitters tse fapaneng tsa khatello. Ka ho lekanya phapang ea khatello e hlahisoang ha mokelikeli o phalla ka har'a sesebelisoa se thothomelang, lebelo la ho phalla ha oli, khase ea tlhaho, mouoane le maro a mang li ka baloa ka nepo. Ntle le moo, li-transmitters tse fapaneng tsa khatello li pakile boleng ba tsona tekanyong ea boemo ba mokelikeli, li lekola ka nepo bophahamo ba boemo ba mokelikeli ka har'a litanka tsa polokelo, li-boilers le li-reactors, tse bohlokoa bakeng sa ho netefatsa polokeho le ts'ebetso ea tlhahiso.
Tlhokomelo ea sefe ke sesebelisoa se seng sa bohlokoa. Li-transmitter tse fapaneng tsa khatello li bontša hore na sefahla se koalehile ka ho lemoha liphetoho phapanong ea khatello pele le ka morao ho sefa, ka hona ho netefatsa ts'ebetso e tloaelehileng ea tsamaiso. Ntle le lits'ebetso tsena tse ikhethileng, li-transmitters tse fapaneng tsa khatello le tsona li sebelisoa haholo bakeng sa ho lekola ho lutla ha lipeipi, ts'ebetso ea pompo le boemo ba li-valve. Ka ho beha leihlo liphetoho tsa phapang ea khatello, ba fana ka ts'ehetso e tšepahalang ea data bakeng sa ho boloka ts'ebetso e sebetsang ea sistimi.
Li-transmitters tse fapaneng tsa khatello le tsona li bapala karolo ea bohlokoa ho lekola tikoloho, haholo tlhahlobong ea boleng ba moea. Ka ho lekanya phapang ea khatello pakeng tsa libaka tse sa tšoaneng moeeng, lisebelisoa tsena li ka khona ho bala lebelo la moea le molumo ka nepo, ka hona li lekola bongata ba lintho tse kang PM2.5 le PM10, le likhase tse kang SO2 le NO2. Ho feta moo, ba bapala karolo ea bohlokoa ho lekola mesi ea indasteri, mosi oa likoloi le boleng ba moea o kahare.
Tlhokomelong ea likamore tse hloekileng, li-transmitter tse fapaneng tsa khatello li netefatsa hore bohloeki ba moea bo kopana le litekanyetso ka ho lekola phapang ea khatello ka har'a likamore tse hloekileng, tse bohlokoa bakeng sa taolo ea boleng indastering ea meriana, ea elektroniki le ea lijo. Ka ntle ho tlhahlobo ea boleng ba moea, li-transmitters tsena li boetse li sebelisoa ho lekola boleng ba metsi, mongobo oa mobu le litebello tsa boemo ba leholimo, ho bonts'a ho feto-fetoha ha tsona lefapheng la tlhahlobo ea tikoloho.
Ka lebaka la ho nepahala ha litekanyo tsa bona tse phahameng (ho fihla ho 0.1% -0.5%), botsitso ba nako e telele, le mefuta e mengata ea ts'ebeliso, e kopantsoeng le boiketlo ba ho kenya le ho hlokomela, li-transmitter tse fapaneng tsa khatello e fetohile lisebelisoa tsa bohlokoa ho lekola tikoloho. Ha tlhokomeliso ea ts'ireletso ea tikoloho e ntse e eketseha, ho lebelletsoe hore li-transmitter tse fapaneng tsa khatello li tla bona lits'ebetso tse pharalletseng nakong e tlang. Ka tsoelo-pele ea theknoloji, tekanyo ea ts'ebetso ea bona le boholo ba ts'ebeliso li lebelletsoe ho tsoela pele ho hola, ho fana ka ts'ehetso ea data e nepahetseng le e tšepahalang bakeng sa ts'ireletso ea tikoloho.
Ho Bala Khatello ea Phapano
Ho bala likhatello tse fapaneng ke mohato oa bohlokoa lits'ebetsong tsa indasteri le tsa khoebo, haholo tekanyong ea phallo, tekanyo ea boemo ba mokelikeli, le tlhahlobo ea filthara. Khatello e fapaneng, phapang pakeng tsa khatello pakeng tsa lintlha tse peli ka har'a tsamaiso, ke mohopolo oa mantlha oa 'mele. Mokhoa oa eona oa ho bala o bonolo empa o sebetsa: khatello ea phapang (Pd) e lekana le khatello e phahameng ea lehlakore (Ph) ho tlosa khatello e tlase ea lehlakoreng (Pl), 'me e ka hlahisoa ka likarolo tse fapaneng tse kang Pascal (Pa), liponto ka lisenthimithara tse peli (PSI). ), kapa bar.
Ho bala khatello ea phapang ho kenyelletsa mehato e 'maloa ea bohlokoa: ea pele ke ho lokisetsa, ho netefatsa ho kenngoa ho nepahetseng le ho hokahanya ha mochine o fapaneng oa khatello; se latelang ke ho etsa lipalo, ho fumana liphetho ka mokhoa o fapaneng oa khatello; qetellong, ho fetola diyuniti ha ho hlokahala. Ka mohlala, haeba khatello e phahameng ea lehlakoreng la tsamaiso ke 100 PSI 'me khatello e tlaase ea lehlakoreng ke 50 PSI, joale khatello ea phapang ke 50 PSI.
Ho nepahala ha tekanyo ea khatello e fapaneng ho susumetsoa ke lintlha tse fapaneng, ho kenyelletsa le ho nepahala ha sensor, ho lutla ho ka bang teng, liphetoho tsa mocheso oa tikoloho le ho thothomela. Ho feta moo, ho ipapisitse le ts'ebeliso, ho na le mefuta e fapaneng ea li-transmitter tse fapaneng tsa khatello, joalo ka capacitive, piezoresistive, le piezoelectric, e 'ngoe le e' ngoe e loketseng maemo le litlhoko tse itseng tsa tekanyo.
Mefuta e fapaneng ea ts'ebeliso ea khatello e fapaneng e pharalletse haholo, ha e felle feela ho phallo ea leihlo, boemo ba mokelikeli, le li-filters, empa hape e kenyelletsa taolo ea khatello har'a libaka tse ling. Tekanyo e nepahetseng ea phapang ea khatello e bohlokoa bakeng sa ho netefatsa ts'ebetso e nepahetseng ea lits'ebetso tsa indasteri, ho ntlafatsa ts'ebetso ea lisebelisoa, le ho netefatsa polokeho tlhahisong. Ka hona, ho utloisisa melao-motheo ea khatello ea phapang, mekhoa ea lipalo, le karolo ea eona lits'ebetsong tse fapaneng ke tsebo ea bohlokoa le ea bohlokoa bakeng sa baenjiniere le basebetsi ba mahlale.
Nako ea poso: Mar-28-2024