CN114603943A - 一种变电站用保温吸隔声围护墙体 - Google Patents
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Abstract
一种变电站用保温吸隔声围护墙体,包括用于保温降噪的多层复合夹芯层;所述多层复合夹芯层包括依次并行设置的第一芯层、第二芯层和第四芯层;所述第一芯层、所述第二芯层和所述第四芯层均为板形,且固定连接。本发明的装置通过由第一芯层、第二芯层和第四芯层组成的多层复合夹芯层才能实现的保温降噪功能,提升围护墙体的保温能力和降噪能力。
Description
技术领域
本发明涉及电网基建技术的技术领域,具体涉及一种变电站用保温吸隔声围护墙体。
背景技术
随着社会经济发展和用电负荷的不断增长,以特高压电网为骨干网架的智能电网建设正在稳步推进。户内变电站模块化建设已成为电网基建项目设计主流,统一的设计深度和建设标准,提高了施工效率,降低了建设成本。针对特殊环境功能需求的变电站,虽然有一些保温或降噪措施在部分站里得到了应用,但其并非模块化建设方案,且有一些还属于建成后再改造的情况。目前模块化变电站围护结构主要以普通岩棉夹芯层等墙体为主,其在极寒地区的保温能力以及对电力设备噪声的控制能力是有限的。
发明内容
为了解决普通岩棉夹芯层等墙体在极寒地区的保温能力以及对电力设备噪声的控制能力有限的问题,本发明提出了一种变电站用保温吸隔声围护墙体,包括用于保温降噪的多层复合夹芯层;
所述多层复合夹芯层包括依次并行设置的第一芯层、第二芯层和第四芯层;
所述第一芯层、所述第二芯层和所述第四芯层均为板形,且固定连接。
优选的,所述第一芯层包括纤维水泥板和石膏板之一;
所述第二芯层采用岩棉板和玻璃丝绵之一;
所述第二芯层与所述第一芯层的接触面等大。
优选的,所述第四芯层纤维水泥板和石膏板之一;
所述第二芯层和所述第四芯层的接触面等大。
优选的,所述第一芯层和所述第四芯层的厚度均不低于10mm。
优选的,所述第二芯层的厚度不低于180mm。
优选的,所述多层复合夹芯层还包括第三芯层;
所述第四芯层上开设有用于吸声的穿孔;
所述第三芯层安装于所述第二芯层与所述第四芯层之间,用于防止所述第二芯层从所述第四芯层的穿孔内外露。
优选的,所述第三芯层包括透声织物。
优选的,所述透声织物包括无纺布和桑皮纸之一。
优选的,还包括外面板、内面板和聚氨酯泡沫封边;
所述聚氨酯泡沫封边分别设置于所述多层复合夹芯层的相对两侧;
所述外面板依次包覆于所述聚氨酯泡沫封边、所述第一芯层和所述聚氨酯泡沫封边外侧;
所述内面板包覆于所述聚氨酯泡沫封边、所述第四芯层和所述聚氨酯泡沫封边外侧;
所述聚氨酯泡沫封边与所述外面板和所述内面板均通过隐形钉连接。
优选的,两个所述聚氨酯泡沫封边呈配合形状。
优选的,所述内面板上开设有用于吸声的开孔;
所述内面板上的开孔与所述第四芯层上的穿孔对准。
优选的,所述外面板与所述内面板均包括金属材料。
优选的,所述金属材料包括铝镁锰板。
优选的,所述外面板与所述内面板的厚度为0.8mm。
优选的,还包括钢板;
所述钢板设置为两个,分别设置于所述多层复合夹芯层与所述聚氨酯泡沫封边相垂直的另外两侧;
两个所述钢板分别与所述外面板、所述内面板和两个所述聚氨酯泡沫封边连接。
与现有技术相比,本发明的有益效果为:
本发明提供了一种变电站用保温吸隔声围护墙体,包括用于保温降噪的多层复合夹芯层;所述多层复合夹芯层包括依次并行设置的第一芯层、第二芯层和第四芯层;所述第一芯层、所述第二芯层和所述第四芯层均为板形,且固定连接。本发明的装置通过由第一芯层、第二芯层和第四芯层组成的多层复合夹芯层才能实现的保温降噪功能,提升围护墙体的保温能力和降噪能力。
附图说明
图1为本发明变电站用保温吸隔声围护墙体的剖视结构示意图。
其中,1、外面板;2、内面板;3、第一芯层;4、第二芯层;5、第三芯层;6、第四芯层;7、聚氨酯泡沫封边。
具体实施方式
本发明公开了一种变电站用保温吸隔声围护墙体,该装置通过由第一芯层、第二芯层和第四芯层组成的多层复合夹芯层才能实现的保温降噪功能,提升围护墙体的保温能力和降噪能力。
实施例
一种变电站用保温吸隔声围护墙体,如图1所示,包括用于保温降噪的多层复合夹芯层。多层复合夹芯层包括依次并行设置的第一芯层3、第二芯层4和第四芯层6,第一芯层3、第二芯层4和第四芯层6均为板形,且固定连接。
第一芯层3和第四芯层6的具体材质不做限制,可以实现增强多层复合夹芯层的刚度和面密度即可,第二芯层4的具体材质不做限制,可以实现隔声保温的功能即可,本实施例中第一芯层3和第四芯层6选用纤维水泥板和石膏板之一,具体选用纤维水泥板,纤维水泥板具有优良的防火绝缘和防潮性能、不易变形及翘曲,适用于变电站的围护;第二芯层4选用岩棉板和玻璃丝绵之一,具体选用岩棉板,岩棉板因其导热系数小而具有良好的保温性能,使用不小于180mm厚的岩棉板可以使围护墙体的传热系数低于0.25W/(m2·K),适用于极寒地区的装配式建筑,同时岩棉板还具有化学稳定性强,不易腐烂,防火性能好的特点。第二芯层4与第一芯层3的接触面等大,第二芯层4和第四芯层6的接触面等大。其中,第一芯层3上不开设穿孔,用于增强多层复合夹芯层的隔声性能。第一芯层3和第四芯层6的厚度均不低于10mm。第二芯层4的厚度不低于180mm。
第四芯层6有三个作用:首先,将第四芯层6面向室内噪声设备,第四芯层6与岩棉板的组合是很好的吸声结构,对噪声有良好的吸声作用;第二,与第一芯层3相同,增强芯材的刚度和面密度,从而大大增强夹芯层墙体的隔声性能;第三,第四芯层6与第一芯层3形成了对称结构,使围护墙体重心稳定,便于安装。
多层复合夹芯层还包括第三芯层5,如图1所示,第四芯层6上开设有用于吸声的穿孔,穿孔的孔径为5mm-8mm、孔间距为15mm-20mm。第三芯层5安装于第二芯层4与第四芯层6之间,用于防止第二芯层4从第四芯层6的穿孔内外露。第三芯层5选用透声织物,具体选用无纺布和桑皮纸之一。在内面板2与岩棉板之间附一层透声织物可以防止岩棉纤维溢出。
变电站用保温吸隔声围护墙体还包括外面板1、内面板2和聚氨酯泡沫封边7,聚氨酯泡沫封边7设置为两个,分别设置于多层复合夹芯层的相对两侧,外面板1依次包覆于聚氨酯泡沫封边7、第一芯层3和聚氨酯泡沫封边7外侧,内面板2包覆于聚氨酯泡沫封边7、第四芯层6和聚氨酯泡沫封边7外侧。两个聚氨酯泡沫封边7可配合连接。聚氨酯泡沫封边7与外面板1和内面板2均通过隐形钉连接。
内面板2上开设有用于吸声的开孔,内面板2上的开孔与第四芯层6上的穿孔对准。
外面板1与内面板2的材质均为金属材料,具体选用铝镁锰板。外面板1与内面板2的厚度为0.8mm。内面板2上开孔的孔径为5mm-8mm、孔间距为15mm-20mm、穿孔率为7%-10%。开孔的内面板2面对室内的噪声设备,铝镁锰板具有很好的耐腐蚀性和耐高温性,使用寿命长,另外铝镁锰板作为饰面具有简洁美观的特点。
还包括钢板。钢板设置为两个,分别设置于多层复合夹芯层未设置聚氨酯泡沫封边7的另外两侧,两个钢板分别设置于聚氨酯泡沫封边7的两端,且均与外面板1、内面板2和两个聚氨酯泡沫封边7连接。钢板与外面板1、内面板2和聚氨酯泡沫封边7的连接方式不做具体限制,能够实现连接功能即可,本实施例选用隐形钉连接。
外面板1、第一芯层3、第二芯层4、第三芯层5、第四芯层6和内面板2之间通过胶合剂粘接。多层复合夹芯层两侧采用聚氨酯泡沫封边7封边,并采用插接式隐形钉连接方式包边,另两侧用钢板包边,生产工艺简单,安全可靠,成本低廉,并且可以实现装配式墙板快捷方便的安装,具有显著的直接效益和间接效益。
本发明的外面板1采用不开孔的铝镁锰板,内面板2采用开孔的铝镁锰板,内面板2与外面板1之间采用纤维水泥板加岩棉板的组合形式,内面板2穿孔外面板1不穿孔且增加岩棉板厚度至180mm以上,显著提高围护墙体的保温性能。将内面板2的穿孔侧面对室内的噪声设备提高围护墙体对噪声的吸声性能,内面板2和外面板1增强墙体的整体刚度,纤维水泥板提高墙体的面密度,提高墙体对低频噪声的隔声性能。
本发明的整体结构具有足够的机械强度、稳定性、安全性外,提高其保温性能、吸声性能和隔声性能,显著提高户内变电站的节能保温性能,并能显著降低变电站内部的噪声设备辐射到厂界的噪声,生产工艺简单,安全可靠,成本低廉。
以上仅为本发明的实施例而已,并不用于限制本发明,凡在本发明的精神和原则之内,所做的任何修改、等同替换、改进等,均包含在申请待批的本发明的权利要求范围之内。
Claims (15)
1.一种变电站用保温吸隔声围护墙体,其特征在于,包括用于保温降噪的多层复合夹芯层;
所述多层复合夹芯层包括依次并行设置的第一芯层(3)、第二芯层(4)和第四芯层(6);
所述第一芯层(3)、所述第二芯层(4)和所述第四芯层(6)均为板形,且固定连接。
2.根据权利要求1所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述第一芯层(3)包括纤维水泥板和石膏板之一;
所述第二芯层(4)包括岩棉板和玻璃丝绵之一;
所述第二芯层(4)与所述第一芯层(3)的接触面等大。
3.根据权利要求2所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述第四芯层(6)包括纤维水泥板和石膏板之一;
所述第二芯层(4)和所述第四芯层(6)的接触面等大。
4.根据权利要求3所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述第一芯层(3)和所述第四芯层(6)的厚度均不低于10mm。
5.根据权利要求3所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述第二芯层(4)的厚度不低于180mm。
6.根据权利要求3所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述多层复合夹芯层还包括第三芯层(5);
所述第四芯层(6)上开设有用于吸声的穿孔;
所述第三芯层(5)安装于所述第二芯层(4)与所述第四芯层(6)之间,用于防止所述第二芯层(4)从所述第四芯层(6)的穿孔内外露。
7.根据权利要求6所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述第三芯层(5)包括透声织物。
8.根据权利要求7所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述透声织物包括无纺布和桑皮纸之一。
9.根据权利要求1-8任一项所述的一种变电站用保温吸隔声围护墙体,其特征在于,还包括外面板(1)、内面板(2)和聚氨酯泡沫封边(7);
所述聚氨酯泡沫封边(7)分别设置于所述多层复合夹芯层的相对两侧;
所述外面板(1)依次包覆于所述聚氨酯泡沫封边(7)、所述第一芯层(3)和所述聚氨酯泡沫封边(7)外侧;
所述内面板(2)包覆于所述聚氨酯泡沫封边(7)、所述第四芯层(6)和所述聚氨酯泡沫封边(7)外侧;
所述聚氨酯泡沫封边(7)与所述外面板(1)和所述内面板(2)均通过隐形钉连接。
10.根据权利要求9所述的一种变电站用保温吸隔声围护墙体,其特征在于,两个所述聚氨酯泡沫封边(7)呈配合形状。
11.根据权利要求9所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述内面板(2)上开设有用于吸声的开孔;
所述内面板(2)上的开孔与所述第四芯层(6)上的穿孔对准。
12.根据权利要求9所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述外面板(1)与所述内面板(2)均包括金属材料。
13.根据权利要求12所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述金属材料包括铝镁锰板。
14.根据权利要求13所述的一种变电站用保温吸隔声围护墙体,其特征在于,所述外面板(1)与所述内面板(2)的厚度为0.8mm。
15.根据权利要求9所述的一种变电站用保温吸隔声围护墙体,其特征在于,还包括钢板;
所述钢板设置为两个,分别设置于所述多层复合夹芯层与所述聚氨酯泡沫封边(7)相垂直的另外两侧;
两个所述钢板与所述外面板(1)、所述内面板(2)和两个所述聚氨酯泡沫封边(7)连接。
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