Ukuqonda iSithethi seNtetho kaWonke-wonke kunye neSithethi sePA Horn seSithethi saseFektri

• Ukukhethwa kwesithethi sasefektri kufanele kuqale ngokuvakala kwentetho, kungekuphela nje nge-wattage okanye i-dB output.
• Uyilo lwezipikha ze-PA horn luhlala lungcono kwiindawo zoshishino ezisebenzisa i-long throw, i-outdoor, kunye ne-high ingxolo.
• Imigangatho efana neIsikhokelo sengxolo se-NISTkwayeI-ISO 7240-16kunceda ekuqiniseni izigqibo zenkqubo kwiikhrayitheriya ezinokulinganiswa.
• Abathengi beprojekthi kufuneka baqinisekise ukulinganiswa kwe-IP, indlela yokufaka, ukuhambelana kwe-amplifier, kunye nokufikelela kulondolozo ngaphambi kokuba bathenge.

Iinkqubo zezithethi zentetho esidlangalaleni kwimizi-mveliso zigwetywa ngokuqondwa kwentetho, kungekhona nje ngomthamo, kuba abasebenzi kufuneka beve imiyalelo, imiyalezo yokuphuma, kunye nezilumkiso zenkqubo kuyo yonke ingxolo yoomatshini enokudlula i-85 dB(A) kwiindawo ezininzi zoshishino, ngokutsho kwe-Isikhokelo se-NIST malunga nengxolo kunye nokuthintela ukulahleka kokuvaNgokwezinto zokuthenga, iphakheji yesithethi sefektri kufuneka ilinganisele ukugubungela, ukuqina, kunye neendleko zokufakela, kwaye isithethi se-PA horn sidla ngokuba lolona khetho lusebenzayo xa abaphulaphuli bengaphandle, uphahla luphezulu, okanye umgca wokubona uthintelwe. Ukuba iprojekthi yakho ikwabandakanya iindawo zonxibelelwano ezinobungozi ezifanaizixhobo zonxibelelwano lwemizi-mveliso, iifowuni zoshishinookanyeiifowuni ezimelana nemozulu, umthetho ofanayo uyasebenza: fanisa isixhobo nokusingqongileyo kuqala, uze udibanise nohlahlo lwabiwo-mali.

Ukuqonda iSithethi seNtetho kaWonke-wonke kunye neSithethi sePA Horn kwiinkqubo zeSithethi saseFektri

Umahluko ophambili kukuba isithethi sentetho kawonkewonke sijolise ekusasazweni ngokubanzi, ngokulinganayo, ngelixa isithethi se-PA sijolise ekuboneni okucwangcisiweyo kumgama.

Kwinkqubo yesithethi yefektri, olu mahluko lubalulekile kuba imeko-bume yesandi ayihlali ithule okanye ifana. Imiphezulu yesinyithi yenza ukubonakaliswa, imigca yokuhambisa idala intetho efihliweyo, kwaye iiforklifts zenza iincopho ezinqamlezileyo ezinokufihla izaziso ezibalulekileyo. Ulwalathiso lwesithethi esisebenza ngexilongo lunceda ukutyhala isandi siye kwindawo yokumamela endaweni yokuchitha amandla kumacala angasetyenziswanga.

Kwiinjineli, umbuzo wokwenene awungowokuba “Nguwuphi okhwaza kakhulu?” kodwa “Nguwuphi othetha into eqondakalayo kwindawo ekude yokumamela?” Loo mbuzo uhlala uphendulwa ngemephu yokugubungela, kungekhona ngenani elinye le-decibel.

Kutheni Ukukhethwa Kwesithethi Sefektri Kuqala Ngokuqonda Intetho

Ukuqondwa kwentetho yindlela yokulinganisa eyahlula inkqubo yesithethi esiluncedo sefektri kwisandi esikhulu nje.

Iifektri zihlala zifuna ukujongwa ukuze kutshintshwe ishifti, imiyalelo yongxamiseko, ukulungelelaniswa kokugcinwa, kunye nokufuduka. Ukuba abasebenzi beva ithoni kodwa bengawaqondi amagama, inkqubo iyasilela kwinjongo yayo yokusebenza. Yingakho uyilo lwesithethi sentetho kawonkewonke lunxulunyaniswa nemilinganiselo yokuqondwa kwelizwi efana ne-STI, kwaye kutheni iinkqubo ze-alamu yelizwi yongxamiseko zimiselwe phantsiI-ISO 7240-16yokulawula i-alamu yelizwi kunye nezixhobo zokubonisa.

Umgaqo osebenzayo ulula: ukuba ingxolo yangasemva iyanda, ukucaca kwentetho kwehla ngokukhawuleza kunokuba abathengi abaninzi belindele. Ngoko ke, ucwangciso lwe-acoustic yemizi-mveliso lufuna ingxolo enkulu, kodwa kungabi yingxolo egqithisileyo edala ukudinwa okanye ukuphindaphindwa.

Xa isithethi sePA Horn sisona silungileyo kwisithethi saseFektri

Isithethi se-PA horn sihlala silona khetho lungcono xa indawo ekujoliswe kuyo ivulekile, ingxolo, okanye inkulu ngokomzimba.

Iindawo zokulayisha, iindawo zenkqubo yangaphandle, iiyadi zezothutho, iindawo zokugcwalisa ipetroli, kunye neepaseji zombane zihlala zifuna ipateni ye-acoustic egxile ekunqobeni umoya, ingxolo yomatshini, kunye nokulahleka komgama. Izithethi zeempondo nazo ziyathandwa xa kukho iindawo ezimbalwa zokufakela ezikhoyo, kuba iyunithi enye ejoliswe ngokufanelekileyo inokuthatha indawo yezithethi ezincinci ezininzi.

Ingxaki kukuba izithethi ze-horn zinokuvakala zingaqhelekanga xa zikufutshane ukuba ziqhutywa kakhulu okanye zijoliswe kakubi. Yiyo loo nto amaqela eprojekthi kufuneka aphathe ukukhetha i-horn njengomsebenzi wobunjineli, kungekhona ukuthenga ikhathalogu.

1. Linganisa ingxolo engqongileyo kwiindawo oza kumamela kuzo.
2. Chaza indawo efunekayo yokugubungela intetho okanye i-alamu.
3. Khetha amandla eempondo, i-angle ye-beam, kunye nokuphakama kokuxhoma.
4. Qinisekisa ukuhambelana kwesilawuli kunye ne-amplifier.
5. Vavanya ukuqondwa emva kokufakwa, kungekuphela nje kwinqanaba loxinzelelo lwesandi.

Iikhrayitheriya zoBuninzi zokukhetha isithethi sentetho kawonkewonke

Isigqibo sesithethi esingcono kakhulu sefektri sisekelwe kwiiparameter ezilinganisekayo ezinokujongwa ngaphambi kokuba uthenge.

Kwizicwangciso zemizi-mveliso ngokubanzi, amanqaku aqhelekileyo okubhekisa aquka uyilo lwesandi olusasazwayo lwe-70 V okanye i-100 V, olulula ukusebenzisa iintambo ezinde kunye nokwahlulahlula izithethi ezininzi. Kwiimeko ezinzima, ukhuseleko lwe-enclosure kunye ne-hardware yokufaka ibalulekile njenge-acoustic specs. Kwiimeko zongxamiseko kunye nokusetyenziswa kwe-alamu yelizwi, inkqubo kufuneka ihambelane nemigaqo yoyilo lokhuseleko lobomi kwiI-ISO 7240-16.

Abathengi kufuneka bajonge ukusasazwa kwesithethi, amandla alinganisiweyo, ubushushu bokusebenza, kunye nokhuseleko lwe-IP njengeseti, kuba inani elinye elinamandla alinakuhlawula ubuthathaka bokumelana nokusingqongileyo.

Ukufakwa kweSithethi seFektri: Ukufakela, Ukujolisa, kunye nokuZoning

Ukufakela ngokuchanekileyo kunokubaluleka ngaphezu kophawu lwesithethi xa injongo ilula.

Ukuphakama kwe-mounting kuchaphazela ukuphosa, ngelixa i-angle yokujolisa ichaphazela ukuba ngoobani abasebenzi abafumana umyalezo. Kwi-aisle ye-warehouse, i-horn speaker ejolise phezulu kakhulu ichitha amandla kwizakhiwo zophahla; ijolise phantsi kakhulu, idala iindawo ezishushu kunye neendawo ezifileyo. Enyanisweni, ukujolisa kubaluleke njengezixhobo zekhompyutha kuba iindawo ezahlukeneyo zefektri zihlala zifuna izinto eziphambili ezahlukeneyo zemiyalezo.

Elinye icebo elisebenzayo lokubeka izinto kukwahlulahlula isityalo sibe ziingingqi ezisebenzayo: umgangatho wemveliso, idokhi yokulayisha, umda wangaphandle, kunye neendlela zokubaleka ngexesha likaxakeka. Loo ndlela yenza kube lula ukulungisa ivolumu, ixesha lemiyalezo, kunye neemfuno zamandla okuxhasa.

• Beka izithethi ngaphezulu kwezithintelo kodwa ngaphantsi komaleko obonakalayo xa kunokwenzeka.
• Jonga iimpondo zakho kwiindawo zokumamela ezinabantu abaninzi endaweni yendawo engenanto yokujikeleza kwegazi.
• Sebenzisa iindawo ezahlukeneyo kwiindawo ezinengxolo ephezulu nezingangxolo iphantsi.
• Gcina ukufikelela kulondolozo kuyilo ukususela ngosuku lokuqala.

Ukuba isityalo sakho sisebenzisa iindlela zonxibelelwano eziqinileyo ezifanaiifowuni zeVoIP zoshishino or iifowuni ezingavumeli ukonakala, ukuhlanganisa iipaging kunye nonxibelelwano olungxamisekileyo kunokunciphisa umthwalo woqeqesho kwaye kwenze kube lula ukuphicotha iinkqubo zokuphendula.

Imigangatho kunye noQinisekiso lweeProjekthi zeSithethi seNtetho kaWonke-wonke

Imigangatho inika amaqela okuthenga indlela ekhuselekileyo yokuthelekisa izindululo zezithethi zasefektri.

Nge-alamu yelizwi kunye nemiyalezo engxamisekileyo,I-ISO 7240-16ibaluleke ngokuthe ngqo kuba ijongana nolawulo lwe-alamu yelizwi kunye nezixhobo zokubonisa. Kwimigaqo ebanzi yoyilo lonxibelelwano olungxamisekileyo, i-US Federal Emergency Management Agency ichaza izinto ekufuneka ziqwalaselwe xa kuziswa isilumkiso esidlangalaleni, kuqukaIsikhokelo se-IPAWS. Ngokucwangciswa kwe-acoustic kwinqanaba lenkqubo,Isikhokelo sengxolo se-NISTkusaluncedo ekuqondeni isizathu sokuba ulawulo lwengxolo engasemva lubalulekile.

Ezi mbekiselo azithathi indawo yovavanyo lwesiza, kodwa zinceda ekuguquleni incoko yokuthengisa ibe yeyobuchwephesha. Olo tshintsho ludla ngokuphucula umgangatho weziphumo zeprojekthi.

Iimpazamo zeSithethi esiQhelekileyo kunye nendlela yokuziphepha

Eyona mpazamo ibiza kakhulu kukuthenga isithethi esikhulu esingakwaziyo ukuthetha ngokucacileyo apho kufuneka khona.

Amaqela amaninzi acacisa kakhulu amandla ombane aze achaze ngaphantsi komlinganiselo wombane. Amanye awakunaki ukulahleka kwentambo, ukuvezwa kwemozulu, okanye umahluko phakathi kweethoni ze-alamu kunye nezaziso ezithethwayo. Isithethi se-PA horn sinokubonakala silula, kodwa ukusasazwa kwemizi-mveliso kusafuna ucwangciso lwe-acoustic, ukujonga ukuhambelana kombane, kunye nocwangciso lokufikelela kwinkonzo.

1. Musa ukukhetha kuphela ngokwereyithingi ephezulu ye-dB.
2. Musa ukubeka isithethi esinye ukuze sigubungele yonke indawo.
3. Musa ukungayinaki isandi esiphuma kwikhonkrithi nakwintsimbi.
4. Musa ukudibanisa iimfuno ze-paging engxamisekileyo kunye nomculo ongasemva ngaphandle kokubeka umda.
5. Musa ukutsiba ukujonga ukuqondwa emva kokufakwa.

Indlela Yokwakha Inkqubo Yesithethi Sefektri Esebenza Kubomi Bokwenyani

Inkqubo yesithethi esingcono kakhulu yefektri yileyo ihlala iqondakala ngexesha lemisebenzi eqhelekileyo kunye neziganeko ezibalulekileyo.

Indlela yokusebenza yokukhetha esebenzisekayo iqala ngendawo yokumamela, hayi kwikhathalogu. Okokuqala linganisa inqanaba lengxolo yesiqhelo. Emva koko chaza umphulaphuli okude kunye nohlobo lomyalezo. Ekugqibeleni khetha ifomathi yesithethi, umda we-amplifier, kunye nepateni yokufakela eyanelisa ezo meko ngesithuba sokwaluphala kunye nongcoliseko.

Kubathengi beeprojekthi, abathengisi abathembekileyo badla ngokuba ngabo banokuxhasa ukufana kwenkqubo enye, isikhokelo sokufakelwa, kunye nokuqhubeka kwezixhobo ezingasetyenziswanga. Oko kubalulekile kuba iiprojekthi zonxibelelwano lwemizi-mveliso aziphumeleli rhoqo ngenxa yesithethi esingalunganga kunangenxa yokungasebenzi kakuhle kwezixhobo, iingcingo, kunye nokugcinwa kwazo.

• Sebenzisa isithethi se-PA horn kwiindawo ezinde zokuphosa, kwiindawo zangaphandle, nakwiindawo zokusebenza ezinengxolo ephezulu.
• Sebenzisa isithethi sentetho esiqhelekileyo kwiindawo zangaphakathi ezifuna ukugqunywa ngokubanzi kunye nesandi esithambileyo ngqo.
• Qinisekisa ukalisho lwe-IP, ukunyamezela ubushushu, kunye nehardware yokuyifaka ngaphambi kokuba uyikhuphe.
• Uvavanyo lokuqondakala emva kokuqalisa ukusebenza kukho ingxolo yokwenyani yesityalo.

Kubathengi abathelekisa izisombululo zonxibelelwano ezinzima, indlela efanayo yokuthenga esetyenziswayoiifowuni zokhuseleko lwemizi-mvelisoikwasebenza apha: qala kwingozi, uze ukhethe isixhobo. Loo ndlela ithembeke ngakumbi kunokuthenga ngesihloko sekhathalogu.

FAQ

Yintoni umahluko omkhulu phakathi kwesithethi sentetho kawonkewonke kunye nesithethi se-PA horn?

Isithethi sentetho esidlangalaleni senzelwe ukugubungela ngokubanzi nangokulinganayo, ngelixa isithethi se-PA horn senzelwe ukuphosa ngqo kwaye sifikeleleke ngcono kwiindawo zoshishino ezinengxolo.

Sesiphi isithethi sefektri esingcono kwiindawo zangaphandle?

Isithethi se-PA horn sihlala singcono kwiiyadi zangaphandle, iidokhi, kunye neendawo ezijikeleze imingcele kuba sivelisa intetho kude nangakumbi kwaye ngokufanelekileyo.

Ifanele ibe nesandi esingakanani isipikha sefektri?

Injongo kufuneka isekelwe kwingxolo engqongileyo kunye nokuvakala kwayo, kungabi sisandi sodwa. Injongo kukuthetha ngokucacileyo kwindawo ekude yomphulaphuli kunye nomda owaneleyo ngaphezu kwengxolo engasemva.

Yeyiphi imigangatho efanelekileyo kwiinkqubo zelizwi ezingxamisekileyo?

I-ISO 7240-16sisalathiso esibalulekileyo solawulo lwe-alamu yelizwi kunye nezixhobo zokubonisa, kwaye iluncedo xa uyila iipeyinti zomzi-mveliso kwiimeko ezingxamisekileyo.

Ngaba kufuneka ndikhethe i-70 V okanye i-100 V kwinkqubo yesithethi yefektri?

Zombini ziindlela eziqhelekileyo zokusasazwa kwesandi. Ukhetho olungcono luxhomekeke kubude bekhebula, ulwahlulo lweendawo, kunye nendlela yoyilo lwendawo esetyenziswa ngumfaki okanye injineli yakho.

Ndingazi njani ukuba isithethi se-horn sisebenza kakhulu kwicala elithile?

Ukuba abasebenzi abakufutshane nesithethi bafumanisa ukuba isandi sinzima okanye asilingani, okanye ukuba iindawo ezikufutshane ziva amanqanaba ahlukeneyo kakhulu, isandi sisenokuba sigxile kakhulu okanye sijoliswe kakubi.

Yeyiphi impazamo eqhelekileyo yokufaka?

Eyona mpazamo ixhaphakileyo kukubeka izithethi ngaphandle kophando lwengxolo okanye uhlolo lokuvakala, nto leyo edla ngokubangela imiyalezo evakalayo kodwa engaqondakaliyo.