CN113365871A - 用于机动车辆座椅的衬垫 - Google Patents
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Abstract
本发明涉及包括多区压力测量片(7)的衬垫(1),测量片包括:柔性的支撑层;包括第一接触元件(10)的第一电极(8);包括第二接触元件(13)的第二电极(11);多个具有压阻特性的中间接触元件(14),每个中间接触元件插置在对应的第一接触元件(10)和第二接触元件(13)之间,以形成多个压力传感器(15);支撑层呈网眼织物状,第一电极是由印刷在支撑层上的导电油墨制成的,第二电极由印刷导电油墨制成的,中间接触元件是由导电性弱于电极油墨导电性的印刷导电油墨制成的。
Description
技术领域
本发明涉及用于机动车辆座椅的衬垫。
背景技术
已知制造一种用于机动车辆座椅的衬垫,所述衬垫包括相继地一个在另一个上布置的:
-装饰衬垫的罩,所述罩具有乘客接纳区,
-多区压力测量片,所述多区压力测量片面对整个乘客接纳区延伸,所述多区压力测量片包括连接到压力测量电子***用的连接装置,压力测量电子***用于测量衬垫占据者在乘客接纳区的不同区域施加的压力,所述多区压力测量片包括:
柔性的支撑层,
包括多个第一电流传导线的第一电极,每个第一电流传导线具有形成第一接触元件的第一端,
叠覆于第一电极的第二电极,所述第二电极包括多个第二电流传导线,每个第二电流传导线具有形成第二接触元件的第二端,每个第一接触元件面对相应的第二接触元件布置,
多个具有压阻特性的中间接触元件,每个中间接触元件插置在对应的第一接触元件和第二接触元件之间,以形成多个压力传感器,压力传感器由第一接触元件、中间接触元件和第二接触元件的堆叠体构成,压力传感器离散地分布在支撑层上,
-可弹性压缩的填充块。
在此提醒的是,压阻与材料在机械应力施加于材料上时其电阻产生变化的能力有关,在这种情况下,机械应力这里呈衬垫占据者压靠产生的压缩形式。
使用这种衬垫允许借助于压力测量电子***对衬垫占据者的定位、在这种情况下为衬垫占据者重量分布进行“测绘(cartographie)”,因此例如允许考虑所述占据者的体形和位置,对所述衬垫进行调节,例如使所述衬垫在较小受压靠区中局部膨胀。
已知使用塑料片或甚至无纺布片形式的支撑层。
然而,这种支撑层的存在可能导致衬垫僵硬,因此损害其在下陷时的舒适性。
此外,当支撑层是不可渗透的时,如在支撑层为塑料片形式时的情况,支撑层有损衬垫的湿热舒适性。
发明内容
本发明的目的是克服这些缺点。
为此,本发明提出了一种用于机动车辆座椅的衬垫,所述衬垫包括相继地一个在另一个上布置的:
-装饰衬垫的罩,所述罩具有乘客接纳区,
-多区压力测量片,所述多区压力测量片面对整个乘客接纳区延伸,所述多区压力测量片包括连接到压力测量电子***用的连接装置,压力测量电子***用于测量衬垫占据者在乘客接纳区的不同区域施加的压力,所述多区压力测量片包括:
柔性的支撑层,
包括多个第一电流传导线的第一电极,每个第一电流传导线具有形成第一接触元件的第一端,
叠覆于第一电极的第二电极,所述第二电极包括多个第二电流传导线,每个第二电流传导线具有形成第二接触元件的第二端,每个第一接触元件面对相应的第二接触元件布置,
多个具有压阻特性的中间接触元件,每个中间接触元件插置在对应的第一接触元件和第二接触元件之间,以形成多个压力传感器,压力传感器由第一接触元件、中间接触元件和第二接触元件的堆叠体构成,压力传感器离散地分布在支撑层上,
-可弹性压缩的填充块,
所述衬垫还具有如下特征:
-所述支撑层由网眼织物(maille)制成,
-所述第一电极由印刷在支撑层上的印刷导电油墨制成,
-所述第二电极由印刷导电油墨制成,
-所述中间接触元件由印刷导电油墨制成,中间接触元件的印刷导电油墨的导电性弱于第一电极和第二电极的印刷导电油墨的导电性。
在此明确导电油墨包括聚合物基质,导电粒子分散于基质中。
尤其通过丝网印刷或甚至通过喷墨来印刷这种油墨。
在此提醒(参考著作《纺织辞典》,玛吉-博姆和尚塔勒-伯耶迪约合著,纺织工业出版社,2002年》)网眼织物的定义如下:
“织物表面构成的基本元素,包括或多或少松散的线网,其中线从一个线环穿过另一线环交织在一起。以针织品、钩织品、花边、绢网、网状物状制成的纺织品的基本单位。每个网眼织物都围绕一个或多个线环,线环根据所使用的技术而以不同的方式彼此连接在一起。通过改变网眼织物的特性,获得或创造新的织纹、其他突起。
网眼织物的部分:任何网眼织物均由以下部分组成:
-头部:形成针编弧半圆的上部;
-两个翼或腿:连接头部和脚部的网眼织物狭窄部分(侧面部分);
-两个脚部:网眼织物的弯曲下部。”
注意:这些不同的部分示于下面所述的图4中。
在此明确的是,在整个说明中,网眼织物制层是指如上所述的基本单元构成的网形成的层。
按照提出的布局:
-支撑层由于其网状性质而具有强伸展性;油墨也是可拉伸的,因而支撑层不会促使衬垫僵硬,
-支撑层是多孔的,这允许不损害衬垫的湿热舒适性。
附图说明
本发明的其他的特征和优点将通过以下参考附图进行的描述体现出来,附图中:
-图1是根据本发明的设有压力测量片的衬垫的示意性透视图,
-图2a、2b和2c是根据一实施例的第一电极(图2a)、中间接触元件(图2b)和第二电极(图2c)的示意性正视图,
-图3是根据一实施例的设有测量片的衬垫的示意性局部剖视图,
-图4是三个图像中表示的网眼织物的示意图,以黑色突出显示的部分表示头部(左图)、两个翼或腿(中图)和两个脚部(右图)。
具体实施方式
参考附图描述用于机动车辆座椅的衬垫1,所述衬垫包括相继地一个在另一个上布置的:
-装饰衬垫的罩2,所述罩具有乘客接纳区3,
-多区压力测量片7,所述多区压力测量片面对整个乘客接纳区延伸,所述多区压力测量片包括未示出的连接到压力测量电子***用的连接装置,压力测量电子***用于测量衬垫占据者在乘客接纳区的不同区域施加的压力,所述多区压力测量片包括:
柔性的支撑层,
包括多个第一电流传导线9的第一电极8,每个第一电流传导线具有形成第一接触元件10的第一端,第一接触元件在此呈平圆片的形式,
叠覆于第一电极的第二电极11,所述第二电极包括多个第二电流传导线12,每个第二电流传导线具有形成第二接触元件13的第二端,第二接触元件在此呈平圆片的形式,每个第一接触元件10面对相应的第二接触元件13布置,
多个具有压阻特性的中间接触元件14,在此呈平圆片的形式,每个中间接触元件插置在对应的第一接触元件10和第二接触元件13之间,以形成多个压力传感器15,压力传感器由第一接触元件、中间接触元件和第二接触元件的堆叠体构成,压力传感器离散地分布在支撑层上,
-可弹性压缩的填充块16,尤其由泡沫制成,
所述衬垫还具有以下特征:
-所述支撑层由网眼织物制成,
-所述第一电极由印刷在支撑层上的印刷导电油墨制成,
-所述第二电极由印刷导电油墨制成,
-所述中间接触元件由印刷导电油墨制成。
根据示出的实施例,罩2包括:
-外覆层4,例如由织物或皮革制成,
-泡沫制的中间舒适层5,
-形成支撑层的网眼织物制的内层6。
根据所示的实施例,第二传导线12与第一传导线9间隔开,以避免两者之间的任何电接触,通过中间接触元件14实现电极8、11之间的接触。
根据所示的实施例:
-中间接触元件14印刷在第一接触元件10上,
-第二电极11印刷在内层6和中间接触元件上。
在未示出的实施变型中:
-第二电极11印刷在未示出的网眼织物制的附加层上,网眼织物制的附加层朝向填充块16布置,网眼织物制的附加层粘合至内层6,
-中间接触元件14根据需要印刷在第一接触元件10或第二接触元件13上。
与内层6的情况一样,附加层由网眼织物制成,这允许不损害衬垫1的舒适性。
根据一实施例,内层6:
-具有6到10列线/厘米和5到10行线/厘米,
-具有25至50g/m2之间的面密度,
-由纤度在40至120dtex之间的线形成。
因此拥有足够密的网状结构,这允许油墨基本不会被吸收到内层6的厚度中,从而允许拥有安全可靠的电路。
根据各种不同实施例,内层6和/或附加层是聚酯或聚酰胺制成的。
根据一实施例,罩2装配在填充块16上。
在实施变型中,罩2至少部分地由填充块16包覆成型,所述填充块基于模制泡沫。
根据一实施例,至少一种导电油墨包括基于聚氨酯的基质。
根据所示实施例,片7还包括至少一个不可渗透且电绝缘的保护层17。
根据所示实施例,保护层17布置在填充块16侧上。
根据未示出的实施例,保护层17布置在填充块16的相反方向上,以保护电极8、11和接触元件14免受因意外溢洒在衬垫1上的流体而造成损坏。
根据另一个未示出的实施例,片7包括两个保护层17,电极8、11和接触元件14容纳在这两个保护层之间。
尤其可以设置,至少一个保护层17是印刷油墨制成的。
尤其可以设置,将保护层17直接印刷在支撑层上,然后借助所述保护层将第一电极8印刷在所述支撑层上。
作为变型,至少一个保护层17可以是清漆或聚合物凝胶制成的。
根据一实施例,电极8、11的油墨具有包括诸如银的金属的导电粒子。
根据一实施例,中间接触元件14的油墨包括碳基或二氧化硅基的导电粒子。
根据一实施例,电极8、11和中间接触元件14的油墨以为0.1mm至1.5mm之间的厚度沉积。
根据一实施例,中间层5的厚度为1.5mm至5mm之间,其密度尤其为0.025至0.045之间,以便不妨碍检测衬垫1的占据者。
Claims (8)
1.一种用于机动车辆座椅的衬垫(1),所述衬垫包括相继地一个在另一个上布置的:
-装饰衬垫的罩(2),所述罩具有乘客接纳区(3),
-多区压力测量片(7),所述多区压力测量片面对整个乘客接纳区延伸,所述多区压力测量片包括连接到压力测量电子***用的连接装置,压力测量电子***用于测量衬垫占据者在乘客接纳区的不同区域施加的压力,所述多区压力测量片包括:
柔性的支撑层,
包括多个第一电流传导线(9)的第一电极(8),每个第一电流传导线具有形成第一接触元件(10)的第一端,
叠覆于第一电极的第二电极(11),所述第二电极包括多个第二电流传导线(12),每个第二电流传导线具有形成第二接触元件(13)的第二端,每个第一接触元件(10)面对相应的第二接触元件(13)布置,
多个具有压阻特性的中间接触元件(14),每个中间接触元件插置在对应的第一接触元件(10)和第二接触元件(13)之间,以形成多个压力传感器(15),压力传感器由第一接触元件、中间接触元件和第二接触元件的堆叠体构成,压力传感器离散地分布在支撑层上,
-可弹性压缩的填充块(16),
所述衬垫的特征在于:
-所述支撑层由网眼织物制成,
-所述第一电极由印刷在支撑层上的印刷导电油墨制成,
-所述第二电极由印刷导电油墨制成,
-所述中间接触元件由印刷导电油墨制成,中间接触元件的印刷导电油墨的导电性弱于第一电极和第二电极的印刷导电油墨的导电性。
2.根据权利要求1所述的衬垫,其特征在于,罩(2)包括:
-外覆层(4),
-泡沫制的中间舒适层(5),
-形成支撑层的网眼织物制的内层(6)。
3.根据权利要求2所述的衬垫,其特征在于:
-中间接触元件(14)印刷在第一接触元件(10)上,
-第二电极(11)印刷在内层(6)和中间接触元件上。
4.根据权利要求2所述的衬垫,其特征在于:
-第二电极(11)印刷在网眼织物制的附加层上,网眼织物制的附加层朝向填充块(16)布置,网眼织物制的附加层粘合至内层(6),
-中间接触元件(14)根据需要印刷在第一接触元件(10)或第二接触元件(13)上。
5.根据权利要求2至4中任一项所述的衬垫,其特征在于,内层(6):
-具有6到10列线/厘米和5到10行线/厘米,
-具有25至50g/m2之间的面密度,
-由纤度在40至120dtex之间的线形成。
6.根据权利要求1至5中任一项所述的衬垫,其特征在于,罩(2)装配在填充块(16)上。
7.根据权利要求1至5中任一项所述的衬垫,其特征在于,罩(2)至少部分地由填充块(16)包覆成型,所述填充块基于模制泡沫。
8.根据权利要求1至7中任一项所述的衬垫,其特征在于,多区压力测量片(7)还包括至少一个不可渗透且电绝缘的保护层(17)。
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PCT/EP2019/077259 WO2020074537A1 (fr) | 2018-10-09 | 2019-10-08 | Matelassure pour siège de véhicule automobile |
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EP3863884B1 (fr) | 2022-12-28 |
US11981237B2 (en) | 2024-05-14 |
CN113365871B (zh) | 2023-09-15 |
FR3086906B1 (fr) | 2021-06-18 |
ES2941528T3 (es) | 2023-05-23 |
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