CN104349933B - 车座悬置垫 - Google Patents
车座悬置垫 Download PDFInfo
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- CN104349933B CN104349933B CN201380028471.7A CN201380028471A CN104349933B CN 104349933 B CN104349933 B CN 104349933B CN 201380028471 A CN201380028471 A CN 201380028471A CN 104349933 B CN104349933 B CN 104349933B
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- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
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- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
- B60N2/0021—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement
- B60N2/003—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat
- B60N2/0032—Seats provided with an occupancy detection means mounted therein or thereon characterised by the type of sensor or measurement characterised by the sensor mounting location in or on the seat mounted on springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
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- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
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- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
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- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
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- G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
- G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
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Abstract
本发明涉及一种用于车座的悬置垫(14),包括一个或多个用于支承座垫(28)的悬置弹簧(16)、附接到所述一个或多个悬置弹簧上的支承板(18)、与所述支承板接合的活动板(34)、设置在支承板与活动板之间的扁弹簧(26)和开关元件。活动板设置成可在关于支承板的第一位置与第二位置之间移动。扁弹簧朝向第一位置偏置活动板。开关元件按如此方式设置在支承板与扁弹簧之间,即当活动板克服板簧的偏置朝第二位置移动时,板簧压下并致动开关元件。扁弹簧可能例如包括弹簧垫圈、板弹簧、圆顶状扁弹簧和/或悬臂状扁弹簧。
Description
技术领域
本发明一般涉及车座领域。特别是,本发明涉及一种用于车座的悬置垫。
背景技术
座椅占用传感器现今被广泛地用于机动车辆中以为例如安全带提示器、辅助约束***(气囊)等不同应用器具提供座椅占用信号。车辆的顾客定制和个性化的可能性是现代汽车的关键销售因素。这导致了为一种汽车型号提供许多不同的汽车内部变型。随着可用选项数的增多,出现了涉及车辆中的技术设备实施的严格制约。由于在座垫的泡沫材料体与座罩之间设置有座椅占用传感器,所以每种座椅设计(皮革、布料、运动性、舒适性…)需要用于占用检测***的特定研制工作。这导致了高研制成本并且因此对于汽车工业是无吸引力的解决方案。因此,待解决的问题是,找到一种很少受座椅设计的影响并从而可以用于许多种汽车座椅或者甚至汽车平台的传感器方案。
文件EP 1 666 311 B1公开了一种车座组件,其包括座椅支承底盘、座垫、弹簧偏置操纵杆和操作者就位开关。操纵杆和开关两者都设置在座垫与底盘之间,有效地结合到座椅内。操纵杆可在上部位置与下部位置之间移动,通过其对应的弹簧将操纵杆朝其上部位置偏置。开关如此设计和设置,即其所有部件容纳在支承底盘内并且所述部件中任何一个没有延伸到底盘下或者外。当座椅被占用时,占用者的重量压低座垫,并且进而操纵杆抵抗弹簧的作用力朝向其下部位置移动并致动开关。
文件EP 1 666 331的车座组件的缺陷在于以下事实,其需要存在座椅底盘。然而,为了舒适性的原因,现今的座椅常常包括悬置垫代替座椅底盘来支承座垫。
技术问题
本发明的目的是克服或者至少减少现有技术的缺陷。该目的通过如权利要求1中所要求的本发明来实现。
发明内容
根据本发明,一种用于车座的悬置垫包括一个或多个用于支承座垫的悬置弹簧、附接到所述一个或多个悬置弹簧中至少一个上的支承板、与所述支承板接合的活动板、设置在支承板与活动板之间的扁弹簧和开关元件。活动板设置成可在关于支承板的第一位置与第二位置之间活动。扁弹簧朝向第一位置偏压活动板。开关元件设置在支承板与扁弹簧之间,从而当活动板克服扁弹簧的偏压朝第二位置移动时,扁弹簧压下并致动开关元件。
如技术人员将意识到的,当占用者坐到装备有根据本发明的悬置垫和设置在所述悬置垫上的座垫的车座上时,座垫将活动板推到第二位置中。结果,扁弹簧致动开关元件。可以调整悬置垫的弹簧和其他部件的机械参数从而获得用于致动开关元件的期望的阈值力。例如,座椅悬置垫可以设置成仅当体重比较轻的百分之五的女性或者更重的占用者坐在车座上时致动开关元件。当座椅上的物件或者占用者的重量低于阈值力时开关元件将不会被致动。由此可见,较轻的占用者(例如,儿童座椅中的儿童)或者物件(例如,手提包、膝上电脑等)可能不同于较重的。阈值力优选根据车座悬置垫的预定应用来设定,例如,根据安全带提示***和/或气囊控制***的环境来设定。因而,本发明的一方面涉及一种包括本文所述的座椅悬置垫的座椅占用感测***。
在本文件的范围内,术语“扁弹簧”是指包括扁弹簧本身、板弹簧、圆顶状扁弹簧、膜片弹簧、片弹簧、垫圈弹簧、悬臂状扁弹簧和这种弹簧的变型。
悬置垫优选配置成对占用者就座的舒适性没有负面影响并且不改变(转移)汽车的H点。致动板有利地设置在H点下面并且与H点竖直地对齐。
有利地,活动板和支承板是由单一件制成的。活动板可以通过棱柱接合部或者铰接接合部,优选膜铰接接合部联接至支承板。
开关元件可能包括压力响应开关(诸如,膜片开关)或者印刷电路。如果其作为开关元件的接触元件,则扁弹簧是导电的。扁弹簧可以由导电金属、优选钢制成。根据优选实施例,印刷电路包括与扁弹簧电接触的第一线迹和第二线迹,所述第二线迹与第一线迹间隔开并且设置成当扁弹簧致动开关元件时第一线迹与第二线迹经由扁弹簧被置于相互电接触。
优选是,活动板包括面向扁弹簧的突起以便将由活动板施加的力集中在扁弹簧的一点上。
有利地,扁弹簧被设置在支承板上或其中的抵接部挤压地保持并张紧。扁弹簧可能包括垫圈弹簧、板弹簧、圆顶状扁弹簧和悬臂状扁弹簧中的至少一种。
本发明的一方面涉及一种车座,所述车座包括包含至少两个固定点的结构框架、如本文所描述的悬置垫和设置在悬置垫上的座垫,其中所述悬置垫张紧在固定点之间。活动板可在上部位置和与座垫配合的下部位置之间移动。可选地,将支承板设置在座垫的凹进部中。
附图说明
举例来说,现在将参照附图来描述本发明的优选实施例,其中:
图1是包括根据本发明的第一优选实施例的座椅悬置垫的一车座处于空载状态(座位空着)的示意性剖视图;
图2是图1的车座处于承载状态(占用者坐在座椅上)的示意性剖视图;
图3是包括根据本发明的第二优选实施例的座椅悬置垫的车座的示意性剖视图;
图4是包括根据本发明的第三优选实施例的座椅悬置垫的车座的示意性剖视图。
具体实施方式
图1和2中示出了包括根据本发明第一优选实施例的车座悬置垫14的车座10。悬置垫14设有集成的占用检测器12。车座悬置垫14包括张紧在车座10的结构框架(未显示)的固定点之间的多个悬置弹簧16。
占用检测器12包括附接到悬置垫14的至少一个悬置弹簧16上的支承板18。支承板18优选作为至少两个悬置弹簧16之间的横向联结部来实施。占用检测器12还包括按棱柱接合方式与支承板18接合的活动板34,这允许活动板34在与支承板18间隔开的第一位置和靠近支承板18的第二位置之间移动。扁弹簧26朝向第一位置偏压活动板34(图1)。扁弹簧26由支承板18的突起卡住并张紧地保持,所述突起作为扁弹簧26的抵接部22。
座垫28设置在悬置垫14上。在所示实施例中,座垫28包括位于其底侧、用于容纳占用检测器12的凹进部20。值得注意的是,如果占用检测器的总高度较小(例如,1 cm以下),则凹进部20是可选用的。
至少扁弹簧26的凹入侧是由导电材料,例如金属涂层制成的。然而,优选是,整个扁弹簧26都是由金属,诸如钢制成的。在扁弹簧26的下面,支承板18承载印刷电路。印刷电路包括与扁弹簧26永久地电接触的第一线迹30和与线迹30间隔开的第二线迹32。第二线迹32定位成,当扁弹簧26在外加力的作用下向下弯曲时,其最终接触第二线迹32并且从而在第一线迹30与第二线迹32之间形成电接触。由控制和评估电路42来检测第一与第二线迹30、32的电气短路。
当车座10空着(真正空着或者承载有例如手提包的较轻物件)时,扁弹簧26向上弯曲并且第一与第二线迹30、32没有接触。如图2中所示,坐在车座10上的占用者使座垫28压在活动板34上并将其从第一位置移动至第二位置,在该第二位置,其迫使扁弹簧26与第二线迹32接触。箭头40标出了因占用者的重量而在悬置垫14上传递的增大的力。
第一30与第二线迹32之间电阻的减小从而表示座椅10上存在占用者。控制和评估电路42包括用于将指示车座10是否被占用的信号输出给车载计算机和/或安全带提示装置的输出部44。
可能注意到,当扁弹簧26未提供电接触时,第一与第二线迹30、32相互无须电绝缘。实际上,第一与第二线迹30、32可以经由电阻器相互连接到一起,其在车座10被占用的情况中是分路。该选择具有以下好处,当车座10空着时控制和评估电路42测得第一与第二线迹30、32之间的有限电阻,这允许检查电路的完整性(没有例如因破坏而电路中断)并且如有必要发出出错信息。
图3示出了包括根据本发明第二优选实施例的悬置垫14的车座110。如在本发明的前述实施例中,车座110包括结构框架(未显示)、承载座垫128的悬置垫114。悬置垫114包括用于检测车座110的占用状态(“未占用”或者“占用”)的占用检测器112。
占用检测器112包括支承板118和通过膜铰接接头150以折板形式附接到支承板118上的活动板134。支承板包括大致平坦的中间部分124,该中间部分124具有侧向地固定至其上的第一和第二翼型部分146。翼型部分146搁置在悬置垫114的一个或多个悬置弹簧116上。可选地,翼型部分146可以通过夹子(未显示)固定到一个或多个悬置弹簧116上。备选是,可以围绕一个或多个悬置弹簧116通过注射成型塑料材料来生产出支承板118。中间部分124按如此方式从翼型部分146的上表面处向后移,即在翼型部分146之间限定出凹进部。凹进部容纳优选金属拱顶形式的扁弹簧126。压力响应开关154(例如,膜片开关)在扁弹簧126下面设置到支承板118的中间部分124上。扁弹簧126按如此方式卡在抵接部122之间,即其当空载时采用拱形形状。扁弹簧126将活动板134偏置到第一位置,在该第一位置,其与支承板118的中间部分124间隔开。
当座椅110被占用时,座垫128被压缩,伸入到形成于支承板118的翼型部分146之间的凹进部内并且从而将活动板134推向更靠近支承板118的中间部分124的第二位置。当活动板134移动时,其下压扁弹簧126,所述扁弹簧126进而与压力响应开关154发生接触。压力响应开关154与控制和评估电路142相连,所述控制和评估电路142输出表示压力响应开关154是否正被致动并从而车座110是否被占用的信号144。
可以注意到,活动板134和支承板118可能是由例如注射成型塑料的单一件制成的。
有利地,活动板134包括面向扁弹簧126的突起152。突起152用来限定出活动板134与扁弹簧126之间力的准确作用点。因此,由活动板134从座垫128传递到扁弹簧126上的力被集中在扁弹簧126的一点中。
图4图解了包括根据本发明第三优选实施例的悬置垫214的车座210。根据第三实施例的悬置垫214仅在翼型部分246之一的配置和膜铰接接头250的位置方面不同于图3中所示的悬置垫114。在所有其他方面,图4的悬置垫214与图3的悬置垫114是完全相同的。因此,以上已经关于图3所述的也适用于图4。
虽然已经详细描述了具体实施例,但是本领域的技术人员将意识到,可以根据公开内容的全部教导来针对所述详细说明研发出不同改进和备选方案。因此,所公开的特定配置仅是说明性的并且不限制由所附权利要求及其任何与全部等同物的全部宽度所给出的发明范围。
附图标记
10, 110, 210 车座
12, 112, 212 集成式占用检测器
14, 114, 214 悬置垫
16, 116, 216 悬置弹簧
18, 118, 218 支承板
20 座垫的凹进部
22, 122, 222 抵接部
124, 224 中间部分
26, 126, 226 扁弹簧
28, 128, 228 座垫
30 第一线迹
32 第二线迹
34, 134, 234 活动板
40 箭头
42, 142, 242 控制和评估电路
44, 144, 244 输出部
146, 246 翼型部分
148, 248 B 表面
150, 250 膜铰接接头
152, 252 突起
154, 254 压力响应开关
Claims (14)
1.一种车座悬置垫(14),包括:
用于支承座垫(28)的一个或多个悬置弹簧(16);
附接到所述一个或多个悬置弹簧(16)中的至少一个上的支承板(18);
无论车座是否是空着的都与所述支承板(18)接合的活动板(34),所述活动板(34)能够在关于所述支承板(18)的第一位置与第二位置之间移动;
扁弹簧(26),其设置在所述支承板(18)与所述活动板(34)之间,以便朝向所述第一位置偏压所述活动板(34);以及
开关元件,其设置在所述支承板(18)与所述扁弹簧(26)之间,从而当所述活动板(34)克服所述扁弹簧(26)的偏压朝向所述第二位置移动时,所述扁弹簧(26)压下并致动所述开关元件。
2.一种如权利要求1所述的车座悬置垫,其中所述活动板(34)通过棱柱接合部联接至所述支承板(18)。
3.一种如权利要求1或2所述的车座悬置垫,其中所述活动板(34)通过铰接接合部联接至所述支承板(18)。
4.一种如权利要求3所述的车座悬置垫,其中所述铰接接合部实施为膜铰接接合部(150)。
5.一种如权利要求4所述的车座悬置垫,其中所述活动板(34)和所述支承板(18)是由单一件制成的。
6.一种如权利要求1或2所述的车座悬置垫,其中所述开关元件包括印刷电路,所述扁弹簧(26)是导电的,所述印刷电路包括与所述扁弹簧(26)电接触的第一线迹(30)和第二线迹(32),所述第二线迹与所述第一线迹(30)间隔开并且布置成当所述扁弹簧(26)压下所述开关元件时所述第一线迹(30)和所述第二线迹(32)经由所述扁弹簧(26)被置于相互电接触。
7.一种如权利要求1或2所述的车座悬置垫,其中所述开关元件包括压力响应开关(154)。
8.一种如权利要求1或2所述的车座悬置垫,其中所述活动板(34)包括面向所述扁弹簧(26)的突起(152),以便将由所述活动板(34)施加的力集中在所述扁弹簧(26)的一点上。
9.一种如权利要求1或2所述的车座悬置垫,其中所述扁弹簧(26)被抵接部(22)挤压地保持并张紧,该抵接部(22)设置在所述支承板(18)上或所述支承板(18)中。
10.一种如权利要求1或2所述的车座悬置垫,其中所述扁弹簧(26)包括垫圈弹簧、板弹簧、圆顶状扁弹簧和悬臂状扁弹簧中的至少一种。
11.一种如权利要求6所述的车座悬置垫,其中所述扁弹簧(26)是由导电金属制成的。
12.一种如权利要求6所述的车座悬置垫,其中所述扁弹簧(26)是由钢制成的。
13.一种车座(10),包括:
包括至少两个固定点的结构框架;
根据前述权利要求中任一项所述的悬置垫(14),其中所述悬置垫(14)被张紧在所述固定点之间;
设置在所述悬置垫(14)上的座垫(28),所述活动板(34)可在上部位置和与所述座垫(28)配合的下部位置之间移动。
14.一种根据权利要求13所述的车座,其中所述支承板(18)设置在所述座垫(28)的凹进部(20)中。
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LU92011A LU92011B1 (en) | 2012-05-30 | 2012-05-30 | Vehicle seat suspension mat |
LU92011 | 2012-05-30 | ||
PCT/EP2013/060225 WO2013178486A1 (en) | 2012-05-30 | 2013-05-17 | Vehicle seat suspension mat |
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US (1) | US9776530B2 (zh) |
CN (1) | CN104349933B (zh) |
DE (1) | DE112013002765T5 (zh) |
LU (1) | LU92011B1 (zh) |
WO (1) | WO2013178486A1 (zh) |
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WO2013178486A1 (en) | 2013-12-05 |
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US20150137568A1 (en) | 2015-05-21 |
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