CN109515190B - 车辆的车内结构、内装部件及其制造方法 - Google Patents
车辆的车内结构、内装部件及其制造方法 Download PDFInfo
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Abstract
本发明提供一种能够既提高外观设计性又减少因镜面现象等而产生的反射光对乘员造成的负担的车辆的车内结构、使用在该车辆的车内结构的内装部件及其制造方法、以及偏光部件的制造方法。作为内装部件的仪表板(10)在具有光泽并对从前风挡玻璃(5)入射后的光进行反射的光泽部(11)的表面设置有吸收车宽方向成分的光振动的偏光层(12)。
Description
技术领域
本发明涉及内装部件(仪表板等)与玻璃(前风挡玻璃等)在铅垂方向上重叠的车辆的车内结构、使用在该车辆的车内结构的内装部件及其制造方法、以及偏光部件的制造方法。
背景技术
在汽车等车辆行驶时,有时车厢内的物体因镜面现象等而在前风挡玻璃(也称为挡风玻璃)产生为反射光(也称为窗反射、映入等)。在该情况下,对于车厢内的乘员尤其是驾驶员而言,有时视场混乱而无法获得良好的视场,并且伴有眼睛的疲劳。特别地,若在车厢内配置光泽(反射)较强的部件(例如金属、金属质感、金属性质等的高反射装饰层)等,则反射光过强,存在驾驶员感到不舒服的情况。
作为减少因这样的镜面现象等而产生的反射光的技术,公知有如下技术,即在位于车厢内处于乘员的前方的前风挡玻璃的下侧的仪表面板(以下,称为仪表板)之上敷设以黑色系色调加工过的吸光片,由此截断相对于前风挡玻璃的来自仪表板的反射光(例如,参照下述专利文献1等)。
专利文献1:实用新型注册第3120434号公报
然而,在上述专利文献1所记载的现有技术中,为了窗反射防止而配置于仪表板上的吸光片局限于黑色系之类的暗色系的结构,外观设计性降低。
发明内容
本发明是鉴于上述课题而完成的,其目的在于提供能够既提高外观设计性又减少因镜面现象等而产生的反射光对乘员造成的负担的车辆的车内结构、使用在该车辆的车内结构的内装部件及其制造方法、以及偏光部件的制造方法。
为了解决上述课题,本发明的车辆的车内结构是一种具备内装部件和具有在铅垂方向上与上述内装部件重叠的部分的玻璃的车辆的车内结构,上述车辆的车内结构的特征在于,上述内装部件在具有光泽并对从上述玻璃入射后的光进行反射的光泽部的表面设置有吸收车宽方向成分的光振动的偏光层。
优选上述内装部件是相对于驾驶座以及副驾驶座靠车辆前方的部件,上述玻璃是前风挡玻璃。
另外,本发明的内装部件装备在铅垂方向上与配置于车辆的玻璃重叠的位置,上述内装部件的特征在于,具有:光泽部,其具有光泽并对从上述玻璃入射后的光进行反射;和偏光层,其设置于上述光泽部的表面,对车宽方向成分的光振动进行吸收。
另外,本发明的内装部件的制造方法是一种装备在铅垂方向上与配置于车辆的玻璃重叠的位置的内装部件的制造方法,上述内装部件的制造方法的特征在于,包括:准备具备具有光泽并对从上述玻璃入射后的光进行反射的光泽部的内装部件的步骤;使材料膜加湿溶胀而使之可塑化的步骤;使上述可塑化后的材料膜沿车宽方向延伸从而对上述材料膜赋予吸收车宽方向成分的光振动的偏振特性,同时使上述材料膜成型为上述内装部件的上述光泽部的表面形状,并且将上述材料膜贴附于上述光泽部的表面的步骤;以及使上述贴附后的材料膜干燥的步骤。
优选上述内装部件的制造方法还包括在由上述干燥后的材料膜构成的偏光层的表面形成用于保护该偏光层的涂层的步骤。
另外,本发明的偏光部件的制造方法是吸收一个方向的光的振动的偏光部件的制造方法,上述偏光部件的制造方法的特征在于,包括:使材料膜加湿溶胀而使之可塑化的步骤;使上述可塑化后的材料膜沿一个方向延伸从而对上述材料膜赋予吸收一个方向成分的光振动的偏振特性,同时使上述材料膜成型为对象部件的表面形状,并且将上述材料膜贴附于上述对象部件的表面的步骤;以及使上述贴附后的材料膜干燥的步骤。
优选上述偏光部件的制造方法还包括在由上述干燥后的材料膜构成的偏光层的表面形成用于保护该偏光层的涂层的步骤。
根据本发明,设置于光泽部的表面的偏光层吸收S偏振光(太阳光的入射光中的车宽方向的光振动成分),使P偏振光透过,因而光泽部所反射的光仅为P偏振光。P偏振光(太阳光的入射光中的车长方向的光振动成分)是相对于玻璃(前风挡玻璃等)垂直的光振动成分,因而存在反射率成为零的布鲁斯特角,能够减弱反射(若S偏振光存在,则不存在布鲁斯特角,处于反射较强的趋势)。因此,从玻璃入射并从光泽部反射后的光在玻璃内表面不怎么反射,能够减少给驾驶员带来的不舒服感,因而能够既提高外观设计性,又减少因镜面现象等而产生的反射光对驾驶员造成的负担。
附图说明
图1是表示本发明的车辆的车内结构的一个实施方式的简要结构的立体图。
图2是图1的主要部位放大剖视图。
图3是对图1所示的仪表板的制造方法进行说明的图。
附图标记说明:
1…车辆;5…前风挡玻璃(玻璃);10…仪表板(内装部件,偏光部件);11…光泽部;12…偏光层;13…涂层;14…材料膜
具体实施方式
以下,参照附图对本发明的实施方式进行说明。
[车辆的车内结构以及作为内装部件的仪表板的结构]
图1是从车内侧观察本发明的车辆的车内结构的一个实施方式的简要结构的立体图。
在图示实施方式的车辆1中,在组装成向车辆1前方倾斜的前风挡玻璃5的铅垂方向下方(在铅垂方向上与前风挡玻璃5重叠的位置),在相对于驾驶座以及副驾驶座靠车辆1前方的位置具备仪表板10,该仪表板10由聚丙烯(PP)树脂等制成。另外,在该仪表板10的上表面设置有光泽部11,该光泽部11具有光泽并对从上述前风挡玻璃5入射后的光进行反射。此外,光泽部11的位置、大小、形状、范围等并不局限于图示例,当然能够适当地设定。
这里的光泽部11例如除了包括镀层、铝装饰板、金属蒸镀膜等金属、金属质感、金属性质等的高反射装饰层之外,还包括带照明的仪表盘、监视显示器等光较强的材料。
另外,在本例中,参照图2可清楚知晓,在上述光泽部11的表面设置有吸收车宽方向成分的光振动的偏光层12,并且在该偏光层12的表面设置有用于该偏光层12的保护、防损伤、防表面反射等的作为防表面反射·保护层的涂层13。
上述偏光层12例如通过使材料膜沿单轴延伸后贴附于光泽部11的表面而形成(稍后详述)。作为用于形成该偏光层12的材料膜,例如能够使用聚乙烯醇(PVA:polyvinylalcohol)、聚乙烯醇缩醛(polyvinyl acetal)、聚乙烯醇缩丁醛(PVB:polyvinyl butyral)等树脂膜。
另外,作为上述涂层13,优选光学的各向异性尽量少,适当地使用光弹性系数低的树脂例如三乙酰纤维素、二乙酰纤维素等乙酰纤维素、三丙基纤维素、二丙基纤维素等丙基纤维素、聚甲基丙烯酸甲酯、主链具有金刚烷环或环戊烷环且主链为烃系的树脂、聚酰胺、聚氨基甲酸乙酯等。其中,乙酰纤维素、丙基纤维素等酰基纤维素系树脂廉价,因而优选地使用。
在具有上述结构的车辆1中,如图2所示,设置于光泽部11的表面的偏光层12吸收S偏振光(太阳光的入射光中的车宽方向的光振动成分),使P偏振光透过,因而光泽部11所反射的光仅为P偏振光。P偏振光(太阳光的入射光中的车长方向的光振动成分)是相对于前风挡玻璃5垂直的光振动成分,因而通过调整前风挡玻璃5的倾斜角度,从而存在反射率为零的布鲁斯特角,能够减弱反射。
[作为内装部件的仪表板的制造方法]
图3是对上述图1所示的仪表板10的制造方法进行说明的图。
如图3所示,首先,准备由上述材料构成的规定形状的材料膜14,利用碘染色(交联)液(碘涂布法)或二色性染料(染料涂布法)对该材料膜14进行涂布,并加湿溶胀而使之可塑化(S1:加湿溶胀可塑化工序)。
此外,这里,考虑到制造效率,用于赋予偏振特性的染色(交联)液涂布等兼顾材料膜14的加湿溶胀,但若无法允许成形引起的颜色不均匀等,则也可以在成形后进行。
接下来,使在S1可塑化后的材料膜14沿单轴方向(详细地说为车宽方向,欲吸收的光的振动方向)延伸来对该材料膜14赋予吸收单轴方向成分的光振动的偏振特性,同时通过真空减压、压缩空气加压等成型(成形)为产品表面形状(详细地说为预先准备的仪表板10的光泽部11的表面形状),并且贴附于该产品表面(S2:单轴延伸·成型工序)。
这里,在将材料膜14贴附于产品表面时,可以预先对材料膜14赋予粘接层,也可以通过涂覆等在产品表面侧形成粘接层(剂)。
接下来,将贴附有材料膜14的仪表板10放入干燥炉等,使贴附的材料膜14干燥并使之固定(S3:干燥工序)。
而且,通过喷涂涂装等在干燥后的材料膜14(即偏光层12)的表面实施用于该偏光层12的保护、防损伤、防表面反射等的涂层13(S4:涂层形成工序),并且将形成有涂层13的仪表板10放入干燥炉等,使上述涂层13干燥并使之固定(S5:干燥工序)。
经由上述工序,制造出吸收车宽方向成分的光振动的偏光层12以及对该偏光层12进行保护等的涂层13设置于光泽部11的表面的仪表板10。
在现有的制造方法中,难以对像汽车部件那样凹凸较多的具有复杂形状的部件赋予偏振特性(即缺乏形状自由度),但根据本例的制造方法,能够配合部件的形状地使材料膜14变形,因而即便是复杂形状的部件,也能够赋予偏振特性(即形成为偏光部件),形状自由度能够大幅度提高。
这样,在本实施方式中,设置于光泽部11的表面的偏光层12吸收S偏振光(太阳光的入射光中的车宽方向的光振动成分),使P偏振光透过,因而光泽部11所反射的光仅为P偏振光。P偏振光(太阳光的入射光中的车长方向的光振动成分)是相对于前风挡玻璃5垂直的光振动成分,因而存在反射率为零的布鲁斯特角,能够减弱反射(若有S偏振光存在则不存在布鲁斯特角,处于反射较强的趋势)。因此,从前风挡玻璃5入射并从光泽部11反射后的光在玻璃内表面不怎么反射,能够减少给驾驶员等乘员带来的不舒服感,因而能够既提高外观设计性,又减少因镜面现象等而产生的反射光对乘员造成的负担。
此外,在上述实施方式中,主要例示了在具备仪表板10与前风挡玻璃5的车辆1中,通过在设置于仪表板10的光泽部11的表面设置偏光层12来抑制前风挡玻璃5(的内表面)处的反射(窗反射、映入)的情况进行了说明,其中,仪表板10是配置于车辆1前方的内装部件,前风挡玻璃5具有在铅垂方向上与仪表板10重叠的部分,但本发明当然在具备后风挡玻璃、天窗玻璃等的车辆中也能够应用于装备在铅垂方向上与后风挡玻璃、天窗玻璃等重叠的位置的内装部件。
以上,使用附图对本发明的实施方式进行了详述,但具体结构并不限定于该实施方式,即便存在不脱离本发明的要旨的范围内的设计变更等,它们也包括在本发明内。
Claims (4)
1.一种内装部件的制造方法,该内装部件装备于在铅垂方向上与配置于车辆的玻璃重叠的位置,
其中,所述内装部件的制造方法包括:
准备具备具有光泽并对从所述玻璃入射后的光进行反射的光泽部的内装部件的步骤;
使材料膜加湿溶胀而使之可塑化的步骤;
使所述可塑化后的材料膜沿车宽方向延伸从而对所述材料膜赋予吸收车宽方向成分的光振动的偏振特性,同时通过真空减压、压缩空气加压使所述材料膜成型为所述内装部件的所述光泽部的表面形状,并且将所述材料膜贴附于所述光泽部的表面的步骤;以及
使所述贴附后的材料膜干燥的步骤。
2.根据权利要求1所述的内装部件的制造方法,其中,
还包括在由所述干燥后的材料膜构成的偏光层的表面形成用于保护该偏光层的涂层的步骤。
3.一种偏光部件的制造方法,该偏光部件吸收一个方向的光的振动,
其中,所述偏光部件的制造方法包括:
使材料膜加湿溶胀而使之可塑化的步骤;
使所述可塑化后的材料膜沿一个方向延伸从而对所述材料膜赋予吸收一个方向成分的光振动的偏振特性,同时通过真空减压、压缩空气加压使所述材料膜成型为对象部件的表面形状,并且将所述材料膜贴附于所述对象部件的表面的步骤;以及
使所述贴附后的材料膜干燥的步骤。
4.根据权利要求3所述的偏光部件的制造方法,其中,
还包括在由所述干燥后的材料膜构成的偏光层的表面形成用于保护该偏光层的涂层的步骤。
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