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10秒装修报价 装修要花多少钱?获得精准报价,省钱30%
168211
元
材料费:77201元
人工费:86544元
设计费:1760元
质检费:2706元
1、 布线,喇叭线路布设最好跟电工布线一起做,但喇叭线是弱电,应该跟电工的强电(AC220V)不要靠得太近,穿PVC管的话,距离20厘米就可以了,出于安装和干扰等因素都因该这样做,但总的走线路线因该尽量跟随电工布置的强电或弱电路线,不显的杂乱,以后检修也方便,因为电工布线一般会留检修口的,喇叭线要与其他线路有所区别,不要到以后检修的时候都不知道哪一根是喇叭线。喇叭线路的PVC管可以固定在天花板的吊筋上,还有一点需要跟电工配合的是,喇叭点的位置在实际施工过程中还需要考虑到各种灯的位置,消防喷头的位置,空调出风口,以及天花板封顶的造型等,假如你的喇叭安装位置跟灯位重复,或着设计在空调出风口,总不好,还影响美观。
喇叭线穿PVC管,我们要求PVC管不使用弯头,而是使用弹簧打弯,保证每一根管子里面的线从接线盒处都可以自由抽动,主要是保证以后维修和换线、穿线。
2、 喇叭开孔的注意事项,使用专用开孔器,不要破坏天花板,尤其是石膏吊顶的天花板。
开孔直径按照各喇叭规定的开空尺寸,实际施工中,可以稍微大一点点,这样安装和取出更容易,尤其是石膏天花板,喇叭安装的很紧的话,要取下的时候很容易破坏石膏板。
3、 天花喇叭的安装,最好等油漆工完成油漆以后,小心的安装上去,通常电工也是这个时候安装各种灯的。
四、系统调试
要注意的是,系统开机运行前须检查线路,当然这个工作在线路布置好以后(封天花板)之前就应该先检测一遍线路的。
因为采用吊装的喇叭的整机较重,因此,在自行选用吊架及螺钉时对强度尤其要重视,因螺钉质次或旋入深度不够而掉落的事故曾有发生,但有的国产机设计考虑不周在吊装孔底部布置有电路或连线,螺钉旋入过深会引起电路板损坏或短路。
希望我的回答对您有所帮助。
在天花板不高于3m的场馆内,天花扬声器大体可以互相距离5~8m均匀配置。如果仅考虑背景音乐而不考虑紧急广播,则该距离可以增大至8~12m。另外,适用于中国大陆的火灾事故广播设计安装规范(以下简称“规范”)有以下一些硬性规定:“走道、大厅、餐厅等公众场所,扬声器的配置数量,应能保证从本层任何部位到最近一个扬声器的步行距离不超过15m。在走道交叉处、拐弯处均应设扬声器。走道末端最后一个扬声器距墙不大于8m”。室外场所基本上没有早期反射声群,单个广播扬声器的有效覆盖范围只能取上文匡算的下限。由于该下限所对应的距离很短,所以原则上应使用由多个扬声器组成的音柱。馈给扬声器群组(例如音柱)的信号电功率每增加一倍(前提是该群组能够接受),声压级可提升3dB。希望我的回答对你有帮助。