Siren Limitation Training
SireletsaKoetliso ea Moeli
Ho lekanya ho feta tekanyo e atlehang ea ahlabahlabaneke sesosa se tloaelehileng sa ho soahlamana ha lisebelisoa tsa mollo.
https://www.senkencorp.com/search/siren.html
Liphuputso li bontšitse hore mefuta e atlehang ea ahlabahlabanemateanong a 90-degree intersection hangata e ka tlase ho maoto a 80.Letoto lena le sebetsang hantle le ka 'na la fokola, ho itšetlehile ka moralo oa mateano a litsela le thepa ea ho thibela molumo oa koloi e atamelang.
Leha ho le joalohlabahlabanemefokolo ke sesosa se tloaelehileng sa ho senyeha ha litsela tsa likoloi tsa tšohanyetso, mananeo a seng makae a likoloi tsa tšohanyetso (EVOC) a sebetsanang le sehlooho.Sepheo sa sengoloa sena ke ho fana ka mehopolo ea koetliso e tla thusa ho bonts'a mefuta e fokolang e sebetsang ea ahlabahlabane.
1 Metara ea boemo ba molumo oa sehlopha sa 2.(Lifoto ka mongoli.)
Kakaretso
https://senken.en.alibaba.com/collection_product/siren/2.html?spm=a2700.icbuShop.41413.39.73e122181rNING&filter=null
Koloi e khannang tseleng e tla ba le lerata le leholo ka har'a phaposi ea baeti ea koloi.Lerata lena le tsejoa e le "lerata la ambient".Lerata la tikoloho le tla itšetleha ka lintlha tse 'maloa, ho kenyelletsa lerata le tsoang enjeneng, seea-le-moea, tsamaiso ea HVAC, le ho hohla ha mabili a bilikang holim'a tsela.Lerata le ka hare ho koloi ea baeti e tsamaeang lik'hilomithara tse 45 ka hora (mph) hangata ke karolelano ea li-decibel tse 65 (dB).
Bakeng sa ahlabahlabanehore e utluoe ka katleho ke mokhanni oa sechaba, e tlameha ho phunyeletsa 'mele oa koloi 'me e be lerata ho feta lerata le potolohileng.Liphuputso li bontšitse horehlabahlabaneboemo bo tlameha ho nyoloha hoo e ka bang 10 dB ka holim'a lerata le haufi le ho senya mohopolo oa mokhanni.Haeba lerata le ka hare ho koloi ea sechaba e le 65 dB, siren e tlameha ho nyolohela ho 75 dB.
Sebopeho sa koloi ea sejoale-joale se etselitsoe ho boloka molumo OUT.Ka karolelano, koloi ea sejoale-joale e tla thibela lerata la li-decibel tse ka bang 30-40 hore le se ke la kena ka phaposing ea baeti ea koloi.Sena se tsejoa e le "tahlehelo ea ho kenya."Haeba mokhanni oa sechaba a hloka li-decibel tse 75 tsahlabahlabanelerata ho arabela, thehlabahlabanee tlameha ho fihla ka ntle ho fensetere ea mokhanni ka li-decibel tse ka bang 110, ho nka tahlehelo ea kakaretso ea 35 dB.
2 Khalibrator ea mitha ea boemo ba molumo.
Bothata
Bohololetsarengli lekantsoe ho pota 124 dB ha li lekantsoe maoto a 10 ka pele hohlabahlabane.Ha sebaka se tsoang ho siren se imena habeli, khatello ea molumo oa siren e tla theoha hoo e ka bang 6 dB.Khopolo ena e tsejoa e le "inverse square law".
Ho bohlokoa ho utloisisa hore ho theoha hona ha 6-dB ho boemo ba khatello ea molumo ho nka hore sebaka se lekantsoeng se ka pele hohlabahlabane.Ha litekanyo tsa khatello ea molumo li nkoa ka lehlakoreng la 90-degree ho tloha hohlabahlabane, ho theoha ha 6-dB ho ka ba bohlokoa haholoanyane.Liphuputso li bontšitse hore phokotso ea boemo ba khatello ea molumo ho 90-degree intersection e ka ba holimo ho 11 dB.Ena ke ntlha ea bohlokoa ea ho ruta, kaha likotsi tsa mateano a litsela li etsahala ha lisebelisoa tsa mollo le koloi ea sechaba li atamelane ka 90-degree angle.
3 Boemo ba dBA/dBC ho methareng oa boemo ba molumo.
https://www.senkencorp.com/electronic-sirens-and-speakers/self-contained-hands-free-600-w-warning-siren.html
Hape ke habohlokoa ho hlokomela hore ho ka 'na ha e-ba le linako tseo ka tsona molumo oa sirene o sa theoheng ka 6 dB nako le nako ha sebaka se tsoang ho siren se imena habeli.Hangata sena se bonoa metseng ea litoropo moo phala ea sirene e hlahang meahong, asphalt le libaka tse ling tse entsoeng ke batho.Maemong ana, phala e ka 'na ea se ke ea lahleheloa ke molumo o mongata, empa ponahalo ea siren e etsa hore ho be thata ho tseba hore na e tsoa hokae.Hape ho tla ba le linako tseo ho tsona sirene e tla theoha ho feta 6 dB nako le nako ha sebaka se tsoang ho siren se imena habeli ka lebaka la tataiso ea sebui sa sirene le litšitiso tseleng ea molumo.
Lerata le leng teng, tahlehelo ea ho kenya, le molao oa lisekoere o fapaneng o hlalosa mofuta o lekanyelitsoeng o sebetsang oa siren.Fisiks ea molumo e tla fokotsa molumo oa sirene ha sebaka se tsoang ho siren se ntse se eketseha.Ka likoloi tsa sejoale-joale, mohala o sebetsang oa sirene mateanong a 90-degree hangata ha o fete maoto a 80.
'Nete
https://www.senkencorp.com/electronic-sirens-and-speakers/low-frequency-siren-for-police-vehicles.html
Nka hore mokhanni oa sechaba o hloka 110 dB ea lerata la siren ka ntle ho fensetere ea mokhanni hore a utloe siren hantle.U sebelisa molao oa lisekoere o fapaneng, boemo ba khatello ea molumo oa siren bo tla theoha ka tlase ho 110 dB hoo e ka bang maoto a 80.
4 Boemo ba maemo a holimo/tlase ho metara ea boemo ba molumo.
https://www.senkencorp.com/electronic-sirens-and-speakers/standard-emergency-vehicle-siren-amplifiers.html
Haeba koloi ea sechaba e tsamaea 45 mph, e tla nka mokhanni hoo e ka bang maoto a 195 ho bona, ho itšoara, le ho thellisa ho emisa tseleng e omileng.hang ha mokhanni a utloa khalala.Haeba mokhanni a utloa sirene sebaka sa limithara tse 80 ho tloha mateanong a litsela 'me ho nka maoto a 200 ho ema, mokhanni a ke ke a ba le nako ea ho fana ka tsela e nepahetseng haeba lisebelisoa tsa mollo li ka kena mateanong a litsela.Khopolo ena e hlalosa tlhokahalo ea ho emisa ka ho feletseng mateanong a litsela tse mpe.
Baithuti ba bangata ba tla botsa, "Hobaneng u sa etse hore siren e be lerata?"Lebaka leo ka lona melumo e sa khoneng ho etsoa ka lentsoe le phahameng ke hore siren e lerata haholo e ka lebisa mathateng a kutlo bakeng sa bo-ralitima-mollo le ho ferekanya sechaba se potolohileng ho fihlela boemong bo sa amoheleheng.Ka mabaka ana, molumo oa sirene ea koloi ea tšohanyetso e tlameha ho fokotsoa.
Koetliso ea Matsoho
Ho bohlokoa ho barupeli ba EVOC ho fana ka koetliso ea matsoho ho matlafatsa mohopolo oa mefokolo ea siren.Koetliso ena e ka finyelloa ka meter ea boemo ba molumo, tripod, le siren ea koloi ea tšohanyetso.
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Sound Level Meter:Metara ea boemo ba molumo e ka rekoa ka theko e tlase ho tsoa lebenkeleng la thepa ea polokeho.Ho na le mefuta e fapaneng ea limithara tsa boemo ba molumo, 'me mofuta o mong le o mong o fapana ka theko.Metara ea Sehlopha sa 1 e nepahetse ho feta, empa metara ea Sehlopha sa 2 e tla lekana e le sesebelisoa sa koetliso (setšoantšo sa 1).
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Sound Level Meter Calibrator:Ho bohlokoa ho lekanya metara ea boemo ba molumo pele ho thuto e 'ngoe le e 'ngoe u sebelisa sekhechana sa boemo ba molumo.Le hoja calibrator e ka bitsa chelete e ngata, e tla etsa bonnete ba hore litekanyo tsa boemo ba molumo li nepahetse (setšoantšo sa 2).
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Tripod:Boholo ba limithara tsa boemo ba molumo bo ka khomareloa ho tripod ea khamera.Tripod e tla lumella moithuti ho beha mitha ea boemo ba molumo sebakeng se tsitsitseng ebe o khutlela sebakeng se sireletsehileng ha sirene e ntse e lekanngoa.U se ke ua ema sebakeng sa molumo oa sirene ho nka litekanyo.Sireletsa kutlo ea hau.
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Tšireletseho:Hopola ho etsa bonnete ba hore moithuti ka mong o apere tšireletso e nepahetseng ea kutlo.Hape, hopola ho etsa bonnete ba hore e mong le e mong o eme KA MORAO oa sebuela-pele sa siren ha ho ntse ho lekoa.Baithuti ba lokela ho ea mohatong o ka morao oa lisebelisoa ho thusa ho ba sireletsa molumong o feteletseng.U se ke ua ema ka pel'a sirene!
Litlhophiso tsa Metara ea Boemo ba Molumo
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dBA khahlano le dBC:Limithara tsa boemo ba molumo hangata li na le litlhophiso tse peli tsa decibel: dBA le dBC.Boemo ba dBA kapa dBC bo tla bontša hore na metara e sefa maqhubu a molumo joang.Ha u etsa boikoetliso ba boikoetliso, sebelisa maemo a dBA kaha sena se etsisa ka nepo hore na tsebe ea motho e tla utloa molumo joang (setšoantšo sa 3).
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Holimo/tlase:Sebaka se seng se tloaelehileng sa methara ea boemo ba molumo ke boemo ba "holimo / tlase".Boemo ba "holimo / tlase" bo thehiloe holim'a molumo oa molumo o lekantsoeng.Ha mitha e le haufi le siren, sebelisa boemo bo "phahameng".Ha mitha e ntse e isoa hole le siren, fetola meter ho ea ho "tlase".Sheba litaelo tsa moetsi ho fumana sebaka se loketseng sa holimo/tlase bakeng sa mithara ea hau (setšoantšo sa 4).
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Litlhophiso tsa "Max":Li-Sirens li "fiela" holimo le tlase, e leng se tla etsa hore 'malo oa decibel o hlahang skrineng o fetohe kamehla.Boemo ba "max" bo tla ts'oara 'malo oa siren o lerata ka ho fetisisa nakong ea tlhahlobo.Sena se etsa hore ho be bonolo ho rekota data.Bophelong ba 'nete, boemo ba khatello ea molumo oa sirene bo tla otla palo ena e kholo nako le nako, ho ipapisitse le hore na siren e fiela holimo le tlase.Etsa bonnete ba hore liithuti li utloisisa hore "max" ho bala ke boemo bo molemo ka ho fetisisa bakeng sa moetsi oa lisebelisoa tsa mollo (setšoantšo sa 5).
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Ka potlako/e butle:Tlhophiso ena e tla etsa qeto ea hore na metara ea boemo ba molumo e etsa sampuli ea molumo ka potlako hakae.Ka lebaka la ho phahama ka potlako le ho oa ha sirene, meter e lokela ho ba ka mokhoa oa "Fast" ha o etsa mohlala oa siren (setšoantšo sa 6).
6 Boemo ba karabelo e potlakileng/e bonya methareng ya boemo ba modumo.
https://www.senkencorp.com/electronic-sirens-and-speakers/light-weight-nylon-fiber-housing-vehicle.html
Teko
Ho etsa tlhahlobo ea siren, fumana sebaka se bulehileng se bolelele ba limithara tse 300.Hangata ke sebelisa libaka tsa ho paka kapa litsela tse sa sebelisoeng hanyane tse ka koaloang habonolo.Beha lisebelisoa ka tsela e lumellanang le tsela 'me u lekanye maoto a 10 ka ho toba ka pel'a sirene.Lena e tla ba letšoao la "0".Ho tsoa ho letšoao la "0", baithuti ba ka hlahloba maemo a 'maloa.
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Mokhoa oa 0-degree:Mokhoa oa 0-degree o lekanya molumo ka ho toba ka pel'a sirene.Sena se tla etsisa koloi ea batho e seng e ntse e khanna ka pel'a lisebelisoa tsa mollo tseleng e tšoanang.Ho lekanya mokhoa oa 0-degree, nka litekanyo ka ho toba ka pel'a sirene.Litekanyo li lokela ho nkoa maotong a mang le a mang a 10 ho bontša hore na boemo ba khatello ea molumo bo theoha joang ha sebaka se tsoang ho siren se eketseha (setšoantšo sa 7).
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Mokhoa oa 90-degree:Mokhoa oa 90-degree o lekanya molumo haufi le seterata se etsisoang.Boemo bona bo bonts'a molumo oa siren bakeng sa koloi e atamelang lisebelisoa tsa mollo mateanong a litsela.Ho lekanya mokhoa oa likhato tse 90, nka litekanyo ho ea ka letsohong le letšehali kapa le letona la sirene.Litekanyo li lokela ho nkoa maotong a mang le a mang a 10 ho bontša hore na boemo ba khatello ea molumo bo theoha joang ha sebaka se tsoang ho siren se eketseha (setšoantšo sa 8).
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Sebaka sa molumo oa siren:Ho lekanya sebaka sa molumo ho tla fana ka setšoantšo sa hore na siren e sebetsa joang ho tloha lisebelisoa tsa mollo.Litekanyo li nkoa ka marang-rang ka nako ea maoto a 10.Sena se lumella baithuti ho rala lebala la molumo le ho etsa setšoantšo sa pono ea sesupo sa siren.
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Makopano a 'nete:Haeba lefapha la litima-mollo le khona ho laola sephethephethe ka mokhoa o sireletsehileng, ho ka baloa molumo oa khatello mateanong a litsela.Sena se nolofalletsa liithuti ho bona kamoo phala e koetsoeng kapa e bontšoang ke mehaho, lifate le lintho tse ling tse tseleng ea sirene.
7 Ho lekanya boemo ba khatello ea molumo oa sirene ka mokhoa oa 0-degree.Litekanyo li nkoa ka maoto a mang le a mang a 10 ho ea ho maoto a 300.Ketsahalo ena e fana ka mohlala oa lisebelisoa tsa mollo tse atamelang koloi ea sechaba ho tloha ka morao.
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Hang ha libaka tsa tekanyo ea molumo li se li tšoailoe, hokela metara ea boemo ba molumo ho tripod.Tripod e lokela ho behoa ho pota-pota maoto a 3.5, kaha sena ke bolelele bo tloaelehileng bakeng sa tsebe ea mokhanni.
Kamora ho etsa bonnete ba hore monkakarolo e mong le e mong o roetse tšireletso ea kutlo le ho ema ka mor'a siren, etsa hore setho se bulele sirene.Potoloho e le 'ngoe ea holimo le tlase e tla lekana.Ha sirene e theoha, liithuti li lokela ho hlahloba ho baloa ha decibel ho methareng ea boemo ba molumo ebe li rekota ho baloa.Pheta mokhoa ona letšoao le leng le le leng la tekanyo.
Lisebelisoa tse ngata tsa mollo li na le siren ea mochini, sirene ea elektroniki le manaka a moea.Potso e tloaelehileng eo baithuti ba e botsang ke hore, "Ke siren efe e betere?"Lekola sistimi e 'ngoe le e' ngoe ea siren ka bonngoe ebe u li leka kaofela ka nako e le 'ngoe.Ho feta moo, e 'ngoe le e' ngoe ea litsamaiso tsa siren e tla tšoana.
Hopola hore li-siren tse ngata li tla hloka ho fihla fensetereng ea mokhanni ea koloi ea sechaba ka lebelo la 110 dBA ho kena ka har'a koloi hantle le ho lemosa mokhanni.Siren system e oela ka tlase ho 110 dBA neng?See se etsahala hole hakae le lisebelisoa tsa mollo?Na koloi ea sechaba e ne e ka khona ho bona, ho itšoara, le ho tsubella ho ema ho tloha sebakeng seo?
Ho E Tlama Hammoho
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Kamora ho bonts'a mefuta e fokolang e sebetsang ea siren, ho bohlokoa ho hokahanya tlhahisoleseling ena e ncha le polokeho ea lisebelisoa.Haeba mohala o sebetsang hantle oa siren e le maoto a 80, see se amana joang le sebaka se emisang sa koloi ea sechaba?Na motho e mong o tla khona ho ema ka nako haeba mokhanni a sa utloe siren ho fihlela a le bohōle ba limithara tse 80 ho tloha lisebelisoa tsa mollo?
Ha u se u hlokometse hore na khatello ea molumo oa siren e theohela kae ho 110 dBA, tšoaea sebaka seo ka likhoune tsa sephethephethe.Ka mor'a moo, etsa hore motho e mong a khanne ho ea ho li-cones hoo e ka bang 45 mph.Ha a fihla lithabeng tsa sephethephethe, e-re mokhanni a eme holim'a mariki 'me a tsubelle hore a emise.
Koloi e ile ea emisa ho thella hokae?Na e ne e fetile lisebelisoa tsa mollo?Ho ka be ho ile ha etsahala'ng haeba sesebelisoa sa mollo se ne se ka tsoa ka pel'a koloi kapa se sa ka sa ema ka ho feletseng leboneng le lefubelu kapa letšoao la ho emisa?Ho fana ka mofuta ona oa litšupiso tsa pono ho bakhanni ba likoloi tsa tšohanyetso ho bohlokoa haholo.
8 Ho lekanya boemo ba khatello ea molumo oahlabahlabaneka mokhoa oa 90-degree.Litekanyo li nkoa ka maoto a mang le a mang a 10 ho ea ho maoto a 300.Ketsahalo ena e fana ka mohlala oa matekoane a 90-degree.
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Le hoja mefuta e fokolang e sebetsang ea siren e le sesosa se tloaelehileng sa ho senyeha ha litsela tsa lisebelisoa tsa mollo, mananeo a fokolang a EVOC a bua ka sehlooho.Ho bohlokoa hore taba ena e kenyelelitsoe mananeong ohle a EVOC e le lipuisano tsa phaposi le lipontšo tsa matsoho.Ho fana ka basebelisi ba lisebelisoa tsa mollo ponts'o ea 'nete ea bophelo bo botlehlabahlabanerange ke karolo ea bohlokoa ea lenaneo leha e le lefe la koetliso ea ho khanna.
CHRIS DALYke lesole la sepolesa la lilemo tse 19, 'me hajoale o sebetsa e le molebeli oa paterole West Chester, Pennsylvania.Ke setsebi se ngolisitsoeng se ngolisitsoeng ka molao sa ho senyeha hape ke mofuputsi ea etelletseng pele bakeng sa Sehlopha sa Thuso sa Kotsi ea Chester County (PA) Serious Crash.Ntle le mesebetsi ea hae ea sepolesa, o sebelitse lilemo tse 26 e le mosebetsi oa boithaopo le bo-ralitima-mollo, a tšoere maemo a mangata ho kenyeletsa le motlatsi oa mookameli.Ke setho sa boto ea boeletsi ba bahlophisi bakeng saLisebelisoa tsa Mollo le Lisebelisoa tsa Tšohanyetso.Daly o boetse o thehile lenaneo la koetliso ea ho khanna koloi ea tšohanyetso e bitsoang "Drive to Survive," e hlahisitsoeng ho batho ba fetang 15,000 ba litima-mollo le mapolesa ho feta mekhatlo ea ts'ebeletso ea tšohanyetso ea 380 ho pholletsa le United States.
Ketsahalo ea MAHALA ea Virtual e Tlang ho uena
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https://www.senkencorp.com/electronic-sirens-and-speakers/standard-emergency-vehicle-siren-amplifiers.html
https://www.senkencorp.com/electronic-sirens-and-speakers/low-frequency-siren-for-police-vehicles.html
https://www.senkencorp.com/electronic-sirens-and-speakers/self-contained-hands-free-600-w-warning-siren.html
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