Gulani Sipika Yosalowerera Nyengo Pa Intaneti Kuti Mugwiritse Ntchito Mapulojekiti a Sipika Yakunja ya PA System

• Zolankhulira zakunja zimasankhidwa kuti zigwiritsidwe ntchito polankhula mawu, osati pomvera nyimbo zonse.
• Kugwira ntchito bwino kwa chitetezo cha nyengo kumadalira kuchuluka kwa malo obisika, kutseka, kukana kwa UV, kulimba kwa mchere, komanso kukhazikika kwa malo oikira.
• Kupambana kwa polojekitiyi kumadalira kufananiza ngodya yophimba, kuchuluka kwa phokoso, ndi kapangidwe ka magetsi a mzere ndi malo omwe ali.
• Pa ma paging a mafakitale, sipika yolimba iyenera kusankhidwa pamodzi ndi topology ya PA, njira ya chingwe, ndi dongosolo lokonza.

Kugula sipika yolimba ya sipika yakunja ya PA kumatanthauza kugwirizanitsa kufikira kwa mawu, kulimba, komanso kutsatira malamulo. Pazokhazikitsa zakunja, chitetezo cha ingress nthawi zambiri chimayikidwa pa IP66 kapena IP67 pansi pa lamuloli.IEC 60529Mayeso owunikira panja nthawi zambiri amatchula kuwala kwa dzuwa, chinyezi, ndi kukana kwa chifunga cha mchere m'miyezo mongaASTM B117kuti azitha kupopera mchere komansoMayunitsi a NIST SIkuti muzitha kuyeza mawu molingana. Mu kapangidwe ka PA ka mafakitale, makina a 70V kapena 100V amakondedwa pogawa ma speaker ambiri chifukwa amachepetsa kutsika kwa magetsi mtunda wautali ndikupangitsa kuti kukonzekera katundu kukhale kosavuta. Ngati polojekiti yanu ikuphatikizapo malo oyikamo katundu, malo oimika magalimoto, malo osungiramo katundu, kapena madera ozungulira, funso lenileni silakuti ngati speaker imatha kupanga mawu, koma ngati ikhoza kukhala yomveka bwino mvula ikagwa, fumbi, kugwedezeka, komanso zaka zambiri za kuwonetsedwa ndi UV.

Zimene sipika yolimba pa nyengo iyenera kuchita mu dongosolo la PA la sipika yolimba panja

Cholankhulira chomwe sichimavutika ndi nyengo chiyenera kukhala ndi moyo wabwino poyamba kenako n’kupereka mawu omveka bwino.

Mu mapulojekiti a PA a horn speaker system, horn form factor ndi yofunika chifukwa imayika mphamvu ya mawu mu mawonekedwe opapatiza. Izi zimapangitsa kuti zikhale zosavuta kuphimba njira zoyendamo, mayadi, zipata za m'mbali mwa bwalo, malo ozungulira zomera, ndi madera ena otseguka kumene sipika yachizolowezi imafalikira kwambiri. Kusinthana ndikuti sipika ya horn nthawi zambiri imakonzedwa kuti ipangenso bwino nyimbo m'malo motsatira nyimbo zonse. Pa ma paging, ma alarm, malangizo adzidzidzi, ndi zilengezo zosinthira ma shift, nthawi zambiri izi zimakhala zabwino osati malire.

Pa mapulojekiti ambiri akunja, mafunso ofunikira okhudza magwiridwe antchito ndi awa: kodi uthengawo umatenga nthawi yayitali bwanji, kumveka bwino kotani komwe kumasungidwa mumphepo ndi phokoso, komanso ngati mpandawo umapulumuka nyengo yonse popanda kusweka kapena kutayikira. Chifukwa chake, cholankhulira cholimba chomwe chimagwiritsidwa ntchito mu dongosolo la PA chiyenera kuyesedwa ngati gawo la njira yonse yolumikizirana, osati ngati bokosi lodziyimira lokha.

Zofunikira kwambiri pa sipika yoteteza nyengo

Pepala labwino kwambiri lofotokozera zinthu ndi lomwe likugwirizana ndi momwe zinthu zilili m'munda, osati chilankhulo chotsatsa malonda.

Poyerekeza zinthu, ganizirani zinthu zofunika kuziganizira. Njira yodziwika bwino yodziwira ntchito ndi kuteteza IP66 kapena IP67, zomwe zimasonyeza kuti imamangidwa bwino komanso kuti siingathe kupirira madzi kapena kumiza kwakanthawi kutengera mtundu wake weniweni. Ku US ndi njira zambiri zogulira zinthu m'mafakitale, mtunduwo nthawi zambiri umawerengedwa pamodzi ndi mtundu wa zida zomangira, kapangidwe ka gasket, ndi chitetezo cholowera mu chingwe. Pa kapangidwe ka mawu, ma speaker a horn nthawi zambiri amayesedwa pogwiritsa ntchito njira zolumikizira mphamvu monga 5 W, 10 W, 15 W, 20 W, kapena kupitirira apo pa mizere ya 70V/100V, zomwe zimathandiza opanga makina kuwerengera kuchuluka kwa katundu ndi kuphimba.

Pa ntchito zakunja, zinthu zomangirazo ndizofunikiranso. Ma ABS, aluminiyamu, kapena zitsulo zopakidwa ufa zomwe zimakhazikika pa UV ndizofala. Malo okhala ndi mpweya wamchere amafunika kukana dzimbiri kwambiri kuposa malo amkati. Ntchito yomwe ili pafupi ndi gombe ingapambane mayeso afupiafupi a mawu koma ikalephera pambuyo pa dzimbiri la nyengo ngati zomangira, mabulaketi, kapena zisindikizo sizikudziwika bwino.

Momwe mungasankhire cholankhulira chosagwedezeka ndi nyengo kuti chikhale ndi cholankhulira chakunja cha PA system

Kukonzekera chithandizo n'kofunika kwambiri kuposa kugula cholankhulira cha horn chomwe chili ndi mawu ambiri chomwe mungapeze.

Cholakwika chachikulu m'mapulojekiti akunja a PA ndikuyerekeza mphamvu yamagetsi ndi zotsatira zabwino. M'machitidwe, kumveka bwino kumadalira mtunda, phokoso lakumbuyo, kapangidwe ka honi, kutalika kwa malo oikira, ndi kuchuluka kwa malo omvetsera. Malo oimika magalimoto angafunike ma honi ang'onoang'ono angapo m'malo mwa chipangizo chimodzi chachikulu. Malo ozungulira nyumba yosungiramo katundu angafunike ma speaker olunjika bwino kuti phokoso lisatulukire m'madera oyandikana nawo. Mosiyana ndi zimenezi, malo onyamulira katundu angafunike honi yokulirapo yokhala ndi ngodya yolimba.

Pakulemba mawu page, cholinga chothandiza pakupanga ndikusunga mawu olandiridwa osachepera 10 dB pamwamba pa phokoso lozungulira nthawi iliyonse yomwe ingatheke. M'malo okhala ndi phokoso la mafakitale, malire amenewo angafunike kukhala okwera. Ichi ndichifukwa chake sipika yolimbana ndi nyengo iyenera kusankhidwa poganizira za phokoso la tsamba. Sipika za horn zitha kukhala zothandiza kwambiri chifukwa zimayika mphamvu pamalo pomwe anthu amaimirira, zomwe zimapangitsa kuti mawu azimveka bwino popanda kuwonjezera mphamvu ya dongosolo lonse.

Magulu ambiri a polojekiti amafananizansozinthu zolumikizirana zamafakitalemalinga ndi momwe akukhazikitsira osati dzina la chinthu chokha. Njira imeneyi ndi yothandiza kwambiri chifukwa cholankhulira chomwechi chosagwedezeka ndi nyengo chingagwire ntchito mosiyana pakhoma, mzati, bulaketi la denga, kapena mkono wa gantry. Ngati polojekitiyi ikuphatikizapo chidziwitso chadzidzidzi, ndi bwinonso kuwunikanso zokhudzana ndi izi.Mayankho a PA systemndipo zimathandizira pa malo olumikizira ma amplifier, kuyang'anira mzere, ndi mwayi wokonza kuyambira pachiyambi.

Chifukwa chiyani ma speaker akunja amagwira ntchito bwino kuposa ma speaker wamba m'malo ovuta

Ma speaker a horn nthawi zambiri amapambana panja chifukwa amapangitsa kuti mawu azigwira bwino ntchito pamene pakufunika kwambiri.

Kabati ya sipika yachikhalidwe imafalitsa mawu ambiri, zomwe zimathandiza m'nyumba koma sizigwira ntchito bwino m'malo otseguka. Sipika ya honi imakanikiza kutulutsa mawu kukhala njira yolamulidwa, zomwe zimapangitsa kuti phokoso lizimveka bwino m'njira yomwe mukufuna. Izi ndizofunikira kwambiri pakupanga mawu panja komwe mphepo, magalimoto, makina, ndi mtunda wautali zimachepetsa kumveka bwino kwa mawu.

Mu mafakitale, sipika yolimba nthawi zambiri imasankhidwa kuti ilankhulidwe ndi mawu oyamba. Izi zikutanthauza kuti mayankho a pafupipafupi amatha kupangidwira gulu lolankhula, nthawi zambiri pakati pa malo omveka bwino a konsonanti. Ichi ndi chimodzi mwa zifukwa zomwe olankhula ma horn amalankhulira kwambiri m'malengezo a fakitale, m'mabwalo a masukulu, m'malo oyendera anthu, komanso m'maofesi odzidzimutsa. Sakuyesera kubwereza mawu akuya; akuyesera kuti mawu amveke bwino.

Kapangidwe ka honi kamathandizanso pakugwiritsa ntchito ndalama zoyikira. Mu dongosolo la 70V kapena 100V PA, ma speaker angapo amatha kulumikizidwa limodzi ndi ma power tap omwe amagwirizana ndi dera lililonse. Zimenezi zimachepetsa kusokonekera kwa mawaya ndipo zimathandiza kuti mawaya azikula pang'onopang'ono. Kwa magulu a polojekiti, izi nthawi zambiri zimakhala zofunika kuposa mphamvu ya chinthu chimodzi.

Mayeso ndi miyezo yolimba yakunja yoti mufunse musanagule

Umboni woyesera ndi wamphamvu kuposa chizindikiro choteteza nyengo.

Mukafuna cholankhulira chomwe sichimawonongeka ndi nyengo, funsani maumboni osonyeza momwe chinthucho chinayesedwera. Mfundo yodziwika bwino ndi iyi:IEC 60529pa ma IP ratings. Kuti ziwonongeke ndi dzimbiri,ASTM G85imapereka malangizo osinthidwa a salt spray, pomweASTM B117ikadali njira yodziwika bwino yopopera mchere wopanda mankhwala. Mayeso awa satsimikizira moyo weniweni wokha, koma amapereka poyambira podalirika pa malo a m'nyanja, m'mphepete mwa nyanja, kapena m'malo okhala ndi mankhwala oopsa.

Pa kugula, funso lofunika si lakuti ngati chipangizo chinapambana mayeso amodzi mu labu. Koma ngati mbiri ya mayesoyo ikufanana ndi malo enieni oikira. Doko la m'mphepete mwa nyanja, bwalo la chipululu, ndi chomera chonyowa cha m'madera otentha zili ndi njira zosiyana kwambiri zolephera. Utsi wa mchere, UV yolunjika, kutentha kwa mpweya, ndi kugwedezeka zonse zimakhudza zisindikizo ndi zipangizo mosiyana. Ngati polojekitiyi ndi yofunika kwambiri, pemphani zikalata za zipangizo zomangira, zokutira mabulaketi, kapangidwe ka chingwe, ndi mayeso aliwonse ogwedezeka kapena okalamba omwe alipo.

Malangizo opangira makina a PA pogwiritsa ntchito ma speaker osagwedezeka ndi nyengo

Wokamba nkhani wabwino akhoza kulepherabe ngakhale atapanga zinthu zoipa pa malo olankhulira.

Pa mapulojekiti a PA system ya speaker yakunja, amplifier, ma cable, ndi zone layout ziyenera kupangidwa pamodzi. Kapangidwe ka mzere wa 70V kapena 100V nthawi zambiri kamakondedwa chifukwa kamathandiza kuti malo olumikizirana azitha kugawidwa mosavuta pakatha chingwe chachitali. Amplifier iyenera kukhala ndi malo okwanira kuti isadulidwe panthawi yolengeza. Kutumiza ma cable kuyenera kuteteza ku kuwala kwa UV, kuwonongeka kwakuthupi, komanso kulowa kwa madzi pamalo olumikizirana.

Lamulo limodzi lothandiza ndi kusiyanitsa madera olankhulira ndi ntchito. Khomo lolowera pachipata, malo olowetsa katundu, ndi bwalo siziyenera kukhala ndi voliyumu yofanana nthawi zonse. Madera osiyanasiyana ali ndi phokoso losiyanasiyana komanso mtunda womvera. Ngati madera onse akakamizidwa kukhala ndi voliyumu imodzi, omvera ena amamva voliyumu yochulukirapo pomwe ena amaphonya malangizo. Njira yokonzera malo imathandizanso kukonza mosavuta chifukwa zolakwika zimatha kugawidwa mwachangu.

Mu mapulojekiti omwe mauthenga achitetezo ndi ofunikira, wokamba nkhani wotetezeka ku nyengo ayenera kuthandizira mawu omveka bwino adzidzidzi komanso njira yoyesera yotsimikizika. Kuwunika nthawi zonse kuti mawu amveke bwino komanso kuyang'ana nthawi ndi nthawi zisindikizo, mabulaketi, ndi zolembera za chingwe ndi gawo la kudalirika kwa nthawi yayitali, osati zowonjezera zomwe mungasankhe.

1. Matani malo aliwonse omvetsera potengera mtunda, kuchuluka kwa phokoso, ndi kutalika kwa malo oikira.
2. Sankhani njira yoyendetsera honi kuti muchepetse phokoso lotayika kunja kwa malo omwe mukufuna.
3. Sinthani kukula kwa amplifier kuti ikhale yodzaza mosalekeza komanso yokhala ndi malo okulirapo.
4. Fotokozani IP rating, kukana dzimbiri, ndi zida zoyikira pamodzi.
5. Konzani nthawi yowunikira zomatira, zomangira, ndi ma chingwe.

Kuyerekeza zosankha zodziwika bwino za ma speaker osagwedezeka ndi nyengo kwa ogula ntchito

Ogula polojekiti ayenera kuyerekeza momwe zinthu zilili asanayerekezere manambala a katalogu.

Pa makina olengeza akunja, njira zitatu zolumikizira mawu ndi zofala: ma speaker a horn, ma speaker a cabinet, ndi ma amplified all-in-one units. Ma speaker a horn ndi abwino kwambiri polankhula komanso polankhula panja. Ma speaker a cabinet amatha kumveka bwino koma nthawi zambiri sagwira ntchito bwino panja nthawi yayitali. Zinthu zodzikulitsa zokha zitha kupangitsa kuti kuyika kukhale kosavuta m'malo ang'onoang'ono koma zitha kukhala zosavuta m'makina akuluakulu ogawa. Mu makina a PA a mafakitale, njira yabwino nthawi zambiri ndi yomwe imagwirizana ndi topology ya tsamba lanu ndi dongosolo lautumiki.

Ngati mukuyang'ananso mabanja a zinthu pakabukhu ka zinthu, yerekezerani malo omwe mukufuna poyamba, kenako mawu omveka bwino, kenako kapangidwe kake. Dongosolo limenelo nthawi zambiri limachepetsa zolakwika zogulira. Mwachitsanzo, chipangizo chopangidwira zipata zotetezedwa sichingakhale choyenera pabwalo lotseguka bwino, ngakhale nambala ya phokoso ikuwoneka yokongola. Mfundo yomweyi imagwiranso ntchito pokonza: kulowa mosavuta ndi zida zosinthika nthawi zambiri zimakhala zofunika kuposa kutulutsa kokwera pang'ono.

Mndandanda wazinthu zenizeni zogulira mapulojekiti a PA system a panja okamba mawu

Mndandanda waufupi umaletsa kukonzanso zinthu mokwera mtengo mutakhazikitsa.

Musanagule, onetsetsani kuti sipika yoteteza nyengo ndi yoyenera malo enieni oikira, momwe imaonekera, komanso muyezo wa chizindikiro. Funsani ngati chipangizocho chapangidwira kuyika khoma, mizati, kapena denga. Tsimikizani ngati malo oikirapo ali ndi mlingo wovomerezeka wa mvula yachindunji kapena kugwiritsidwa ntchito panja pokha. Onetsetsani ngati makina olumikizira ndi malo olowera chingwe angagwiritsidwe ntchito m'munda. Ngati polojekitiyo ili pafupi ndi gombe, funani zida zolimbana ndi dzimbiri ndipo funsani za umboni wotsimikizira momwe mchere umaonekera.

1. Tsimikizani IP rating ndi mayeso owunikira.
2. Tsimikizani kuti 70V kapena 100V ikugwirizana.
3. Yerekezerani kufalikira kwa nyanga ndi malo omvetsera.
4. Yang'anani ma power tap ndi ma amplifier load reading.
5. Unikaninso chivundikiro, chomangira, ndi zipangizo za chingwe.
6. Funsani malangizo okhudza kukonza ndi kupezeka kwa zida zina.

Mafunso Ofunsidwa Kawirikawiri Pankhani Yosankha Sipika Yosagwedezeka ndi Nyengo Pa Mapulojekiti a PA System Spika Yakunja

Kodi kusiyana pakati pa cholankhulira chosalowa madzi ndi cholankhulira chosalowa madzi n'chiyani?

Cholankhulira chosagwedezeka ndi nyengo chimapangidwa kuti chizitha kupirira mvula, fumbi, UV, ndi kusintha kwa kutentha kwakunja, pomwe chosagwedezeka ndi madzi nthawi zambiri chimatanthauza kukana kwambiri madzi mwachindunji. Pogula, njira yotetezeka kwambiri ndikupempha IP yeniyeni m'malo modalira mawu oti "kutetezedwa ndi nyengo" okha.

Nchifukwa chiyani ma speaker a horn ndi ofala m'makina akunja a PA?

Oyankhula ma horn ndi ofala chifukwa amalankhula bwino kwambiri patali komanso m'malo aphokoso. Mphamvu zawo zimathandiza kuti mawu azimveka bwino m'mabwalo otseguka, m'malo oimika magalimoto, komanso m'malo ozungulira mafakitale.

Kodi IP66 ndi yokwanira kugwiritsidwa ntchito panja?

IP66 nthawi zambiri imakhala yofunikira kwambiri pakugwiritsa ntchito panja chifukwa imasonyeza chitetezo cholimba komanso kukana madzi amphamvu omwe amalowa m'madzi.IEC 60529Komabe, dzimbiri la m'mphepete mwa nyanja, kugwedezeka, ndi kuwala kwa UV kungafunike kuganizira zinthu zina zofunika komanso zipangizo zina.

Kodi ndiyenera kusankha 70V kapena 100V pa makina akunja a PA?

Zonsezi zimagwiritsidwa ntchito kwambiri popanga ma PA ogawidwa. Kusankha koyenera kumadalira machitidwe am'deralo, kupezeka kwa ma amplifier, kugogoda kwa sipika, ndi mtunda wonse wa chingwe. Chofunika kwambiri ndikusunga dongosololi kukhala logwirizana kuyambira pa amplifier mpaka pa ma spika.

Kodi cholankhulira chakunja chomwe sichimawomba mphepo chiyenera kukhala chokweza bwanji?

Palibe nambala imodzi yokha ya phokoso chifukwa phokoso lozungulira ndi mtunda ndizofunikira. Cholinga chothandiza chokonzekera ndikusunga mawu osachepera 10 dB pamwamba pa phokoso lakumbuyo komwe kungatheke, ndi kuwongolera kwa honi komwe kumagwiritsidwa ntchito kuyang'ana phokoso komwe omvera ali.

Ndi miyezo iti yomwe ndiyenera kufunsa ndikagula cholankhulira chomwe sichimawononga nyengo?

Funsani za muyezo woyenera wa IP, maumboni oyesera dzimbiri mongaASTM B117 or ASTM G85, ndi chilankhulo choyezera bwino chomwe chikugwirizana ndiMayunitsi a NIST SI.

Kodi cholankhulira cha honi imodzi chingaphimbe malo onse akunja?

Nthawi zina, koma osati modalirika. Kufalikira kumadalira mawonekedwe, kuchuluka kwa phokoso, kutalika kwa malo oikira, ndi kumveka bwino komwe kumafunika. Ntchito zambiri zakunja zimathandizidwa bwino ndi ma speaker angapo omwe ali ndi cholinga chabwino kuposa chipangizo chimodzi chachikulu.