CN101829981A - 具有蓄电池组的电动工作设备 - Google Patents

具有蓄电池组的电动工作设备 Download PDF

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CN101829981A
CN101829981A CN201010126204A CN201010126204A CN101829981A CN 101829981 A CN101829981 A CN 101829981A CN 201010126204 A CN201010126204 A CN 201010126204A CN 201010126204 A CN201010126204 A CN 201010126204A CN 101829981 A CN101829981 A CN 101829981A
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batteries
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axis
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CN101829981B (zh
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H·罗斯坎普
H·芒
M·米勒
V·雷伯
G·海因策尔曼
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Andreas Stihl AG and Co KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract

本发明涉及具有蓄电池组的电动工作设备，其具有壳体，该壳体具有沿壳体纵轴线的方向延伸的后面的把手。在该壳体中设置了电驱动马达以及用于容纳蓄电池组的蓄电池井道，其中蓄电池组构造成大致方形的并且沿着所有三个正交的空间方向以高度轴线、宽度轴线和深度轴线的方向延伸。为了节省空间地布置所述蓄电池组，将其如此容纳在蓄电池井道中，使得其宽度轴线横向于壳体纵轴线延伸，其中蓄电池组的狭长侧大致平行于工作设备的第一壳体侧面并且与工作设备的第一壳体侧面之间具有微小的间距。所述高度轴线竖立在壳体的底部上。

Description

具有蓄电池组的电动工作设备
技术领域
本发明涉及一种电动工作设备，尤其是可携带的手持式工作设备例如花草修剪机，机动链锯或者类似机器。
背景技术
这种电动设备是已知的。为了容纳蓄电池组，在该电动设备的壳体中构造了蓄电池井道。这种蓄电池组大多数具有方形的结构并且部分地容纳在蓄电池井道中，从而工作设备的壳体由于装配或者部分地插入蓄电池组而变得畸形并且因此使得工作设备的使用变得困难。
发明内容
本发明的任务是如此改进一种电动工作设备，即将用于运行设备的蓄电池组和该工作设备的尺寸相互间如此进行协调，从而不影响电动设备的可操作性。
本发明通过这样一种电动工作设备尤其可携带的手持式工作设备例如花草修剪机、机动锯、切断机或类似机器得以解决，即，该电动工作设备具有壳体，该壳体具有沿着壳体纵轴线的方向延伸的后面的把手并且设有壳体底部和壳体侧面，其中在壳体中容纳了电驱动马达以及用于起动驱动马达的控制电子器件，该电动工作设备还具有构造在壳体中的用于容纳蓄电池组的蓄电池井道，其中该蓄电池组大致构造成方形的并且其壳体沿着所有三个正交的空间方向以高度轴线、宽度轴线和深度轴线的方向延伸，其中，所述蓄电池组如此容纳在蓄电池井道中，使得其宽度轴线横向于工作设备的壳体纵轴线延伸，其中蓄电池组的狭长侧大致平行于工作设备的第一壳体侧面并且与工作设备的第一壳体侧面之间具有微小的间距，并且使得高度轴线竖立在壳体底部上且蓄电池组的端侧与第二壳体侧面相邻。
通过将蓄电池组以宽度轴线横向于壳体纵轴线进行定向这种作法，实现了蓄电池组的最小的体膨胀沿着壳体纵轴线延伸。如此可以将电动工作设备的结构长度保持得较小并且由此简化其操作。
尤其在机动链锯中，通过蓄电池组的按本发明的布置方式实现了较短的结构形状，从而由于很短的杠杆力臂使得由使用者施加的推进力可以不用太大，由此部分地减少了切削工具卡住的危险。
因为高度轴线竖立在设备的底部上，所以基本上使用了工作设备的整个结构高度用于容纳蓄电池组。
在本发明的特别的构造中，蓄电池组的较长的狭长侧直接与壳体纵侧相邻，并且蓄电池组的端侧与壳体底部和壳体上侧相邻。
有利的是，所述蓄电池组具有大于宽度的高度，其中该宽度大于蓄电池组的深度。有利的尺寸是，所述蓄电池的高度大约相当于其宽度的1.2倍到2.5倍，并且蓄电池组的宽度大约相当于其深度的1.2倍到2.5倍。
如此将蓄电池组布置在工作设备的壳体中，使得蓄电池组的高度轴线在俯视图中与工作设备的壳体纵轴线相交。在此，所述蓄电池组的高度轴线和驱动马达的旋转轴线有利地形成了共同地平面，壳体纵轴线有利地也处于该平面中。通过这种结构上的位置，在用于蓄电池组的空间利用最大时实现了良好的重量分布。
优选所述蓄电池组的端侧形成了壳体侧的局部面，其中该蓄电池组的端侧刚好具有显示机构和/或操作机构，通过该显示机构和/或操作机构使用者可以读出信息或者说可以取得信息。
证明有利的是，所述蓄电池组的高度轴线沿着壳体纵轴线的方向以一个角度向前或者向后倾斜。这个角度可以大约为2°到20°，优选大约为10°到15°。
为了确保简单地推入蓄电池组，该蓄电池组的远离后面的把手的宽侧确定了与前面的把手具有间距的平面。
附图说明
本发明的其它特征从本申请的其他文字描述以及附图中获得，在附图中示出了本发明的下面详细描述的实施例。其中：
图1是蓄电池组的透视图，
图2是按图1的插到壳体井道中的蓄电池组的示意图，
图3是构造成花草修剪机的电动工作设备的俯视图，
图4是按图3的花草修剪机的示意性侧视图，
图5是机动链锯的形式的电动工作设备的示意性俯视图，
图6是按图5的机动链锯的示意性侧视图，
图7是相应于图5的电动工作设备的俯视图，
图8是按图7的机动锯的示意性侧视图。
具体实施方式
在图1中示出的蓄电池组1包括盆状的壳体2，该壳体由盖33关闭。该蓄电池组1用作电动工具的能源，尤其是手持式工作设备的能源，该工作设备例如是机动链锯、花草修剪机、切断机、自由冲裁机、边缘分离机、高度探测器、吹风设备、喷射设备、吸气设备、地钻设备、用于多功能目的的组合发动机设备、道路设备、机动中耕机、旋耕机、高压清洁机、割草机、耕作机、碎草机、湿吸机或干吸机或者类似的工作设备，所述工作设备优选是可携带的。所示出的蓄电池组1具有大致方形的基本形状，该形状沿着正交的空间方向x、y和z延伸。由此，该蓄电池组具有高度轴线H，宽度轴线B以及深度轴线T。在此，如此沿高度轴线H的方向构造高度10，使得该高度大于沿宽度轴线B方向的宽度20。该蓄电池组1的高度10优选大致相当于其宽度20的1.2倍到2.5倍，优选大致是其宽度的1.4倍。该蓄电池组1有利地具有大约160mm的高度10以及大约115mm的宽度20。
此外，所述蓄电池组具有大致相当于其沿着深度轴线T方向的深度30的1.2倍到2.5倍的宽度20。优选如此设计该蓄电池组1的宽度20，使得其大致相当于深度30的1.7倍。在该实施例中，所述蓄电池组具有大约67mm的深度30。
在所述蓄电池组1的壳体2中布置大量电池单元3，其中在一种实施例中，优选圆柱形的电池单元3的圆柱体轴线4沿着高度轴线H的方向定向。该电池单元3的圆柱体轴线4平行于高度轴线H。在一种作为替代方案的实施方式中，所述电池单元3a可以平躺地放置，从而其纵轴线大致平行于蓄电池组壳体1的底部26。所述蓄电池电池单元的所示出的圆柱形的形状只是示例性的；其它横截面形状如方形或类似形状或者平面电池单元也会是有利的。
在所述蓄电池组1的壳体2中，优选在第一位置中并排竖放着大量电池单元3；在沿着高度轴线H跟随着第一位置的第二位置中设置其它大量的电池单元3。蓄电池电池单元是可再充电的电池单元，例如镍镉电池、镍金属氢化物电池、锂离子电池、锂聚合物电池、LiFePo4电池(锂铁磷酸盐电池)、锂钛电池或者类似的电池单元。尤其具有2伏到5伏的、优选大致3.6伏到3.7伏的电池单元电压的锂基的蓄电池电池单元是有利的。
用所使用的电池单元通过相应的电连接方式(串联，并联)提供优选25伏到50伏、例如36伏或者42伏的蓄电池组电压。根据所实施的连接方式可以实现12伏到150伏的蓄电池组电压。这种蓄电池组1的功率优选处于2Ah和10Ah之间的区域中。
在图1中示出的蓄电池组具有两个宽侧21，所述宽侧平行于通过高度轴线H和宽度轴线B张开的平面、也就是沿着y-z平面的方向延伸。所述蓄电池组1的较长的狭长侧31平行于由高度轴线H和深度轴线T张开的平面延伸，由此沿着y-x平面延伸。
所述蓄电池组的端侧11平行于通过宽度轴线B和深度轴线T延伸的平面延伸，也就是沿着x-z平面延伸。
在按图1的实施例中，在宽侧21中分别构造了两个导引槽6形式的导引段5，所述导引槽与壳体41的蓄电池井道7中的导引机构55共同作用(图2)。沿着高度轴线H的方向延伸的导引机构55在实施例中构造成导引肋56，该导引肋嵌入沿着高度轴线H的方向延伸的导引槽6中。如图2所示，在蓄电池井道7的对置的宽侧8和9上分别布置了两个导引肋56形式的导引机构55，其中在所述一个宽侧8上的导引肋56相对于在另一宽侧9上的导引肋56沿着宽度轴线B的方向以偏移量v相互错开设置。所述蓄电池井道7的所述一个宽侧8上的导引机构55之间优选具有比对置的宽侧9上的导引肋56之间的间距a更大的间距b。如此进行布置，使得间距a处于间距b的内部。
在所述蓄电池组1的较长的狭长侧31中构造另外的导引槽24，该导引槽沿着高度轴线H延伸并且用于位置准确地定位在没有详细示出的充电设备中。各个导引槽24在狭长侧31上从底部26延伸到蓄电池组1的壳体盖25中，其中该导引槽24与侧面中轴线17偏心设置。
如在按图3的实施例中所示，所述工作设备40具有壳体41，该壳体具有平行于壳体纵轴线G延伸的并且形成壳体纵侧的壳体侧面42。此外，该壳体41具有上面的以及下面的壳体侧面43，其中下面的壳体侧面43形成了壳体底部44。上面的壳体侧面43形成了壳体上侧45。
所述壳体41具有后面的把手46，该把手沿着壳体纵轴线G的方向延伸。此外，设置了前面的把手47，该把手搭接壳体41并且位于驱动马达50的上方，该驱动马达布置在壳体41的内部。由此，所述蓄电池井道7位于后面的把手46和布置在壳体中的驱动马达50之间。如此设置所述壳体41的内部分布情况，使得在蓄电池井道7和前面的壳体端侧48之间存在内部的壳体空间49，该壳体空间容纳驱动马达50、用于驱动马达的触发电子器件以及必要时的设备箱。如此设置所述蓄电池井道7的位置，使得面对驱动马达50的宽侧21与前面的把手47之间具有间距z。
在按图3和4的实施例中示出了花草修剪机，其驱动马达竖直地放置。该驱动马达的旋转轴线51垂直于壳体底部44，并且驱动用于驱动刀具条53的花草修剪刀具的偏心传动装置52。
在所述工作设备40的壳体端侧48和刀具条53之间布置了接触保护件54。
方形的蓄电池组1-在按图3和4的实施例中-从上面沿着朝壳体底部44的推入方向57下降到蓄电池井道7中。在此，通过蓄电池组1上的导引段5以及蓄电池井道7中的导引机构55预先给出了该蓄电池组1围绕高度轴线H的旋转位置。如图2所示，-在具有显示机构12和操作机构15的上面的端侧11的俯视图中看-所述深度轴线T平行于壳体纵轴线G；优选该深度轴线T在图2的俯视图中与纵轴线G一致。所述蓄电池组1如此容纳在蓄电池井道7中，使得其宽度轴线B横向于壳体纵轴线G延伸并且其高度轴线H立在壳体底部44(图4)上。在此如此设计尺寸，使得蓄电池组1的狭长侧31大致平行于第一壳体侧面42并且与该第一壳体侧面42之间具有微小的间距k，该第一壳体侧面在按图3和4的实施例中是壳体纵侧。所述间距k优选在2mm到15mm的范围内，优选在该位置上具有大约9mm的最大间距。所述蓄电池组1的端侧11-如图4所示-与其它壳体侧面43相邻，该壳体侧面在实施例中由壳体底部44和壳体上侧45形成。所述第一壳体侧面42(壳体纵侧)和第二壳体侧面43(壳体底部44，壳体上侧45)相互大致正交。所述蓄电池组1的宽侧21与蓄电池井道7的内壁具有大约0.5mm到4mm的间距r，优选具有2.1mm的最大间距r(图2)。
根据图3和4的实施例如此进行布置，使得高度轴线H在图2和3的俯视图中或者说在具有显示机构12和操作机构15的端侧11的俯视图中与工作设备40的壳体纵轴线G相交。在此，该壳体纵轴线G优选是工作设备40的纵向中轴线。
所述蓄电池组1的位置、其在工作设备40的壳体41中的安装方向以及布置在壳体41中的驱动马达50相互间如此进行定向，使得蓄电池组1的高度轴线H和驱动马达50的旋转轴线51形成了共同的平面60；该共同的平面60优选垂直于壳体底部44，并且大致形成沿着工作设备40的纵向的对称平面。
在优选的实施方式中，所述壳体纵轴线G优选同样处于所述平面60中。
如此设置所述蓄电池组1进入蓄电池井道7中的推入位置，使得沿着推入方向57处于后面的具有显示机构12和操作机构15的端侧11关闭所述蓄电池井道7并且形成壳体侧面43的局部面。在示出的实施例中，具有显示和/或操作机构12、15的端侧11形成了壳体上侧45的局部面。由此，布置在形成壳体上侧45的端侧11中的显示机构12和操作机构15对于使用者来说可以简单地识别并且轻易地接近。
在按图3和4的实施例中，所述蓄电池组1的高度轴线H相对于与壳体底部44垂直的垂线58倾斜地布置。在实施例中，蓄电池组1的高度轴线H沿着壳体纵轴线G的方向以角度α向前倾斜。该角度α大约为2°到20°，优选大约为15°。如此设置该高度轴线H沿着到前面的壳体端侧48的方向的倾角，使得平面22与前面的把手47之间具有间距z，其中通过蓄电池组1的面对驱动马达50的宽侧21来确定所述平面22。
所述蓄电池组1的高度轴线H通过端侧11的对角线D1和D2的交点精确地定位在其位置上(图2)。
如此有针对性地选择通过壳体41中的蓄电池井道7的结构和形状确定的蓄电池1在结构上的位置，使得蓄电池组1的重心与通过高度轴线H和壳体纵轴线G张开的平面60之间具有微小的侧向间距u。该间距u大约为0.02mm到0.2mm。具有支承在其中的驱动马达50、触发电子器件和优选工作介质容器的壳体41的重心59优选处于通过壳体高度轴线H和壳体纵轴线G张开的平面60中；与该平面的微小的间距会是有利的。
在按图5和6的实施例中，作为工作设备40示出了机动链锯。该工作设备40的示意性的基本结构相应于按图3和4的结构，所以对于相同的部件使用相同的附图标记。
在按图3和4的花草修剪机的实施例的变动方案中，将驱动马达50平躺地放置，所以其旋转轴线51大致垂直于平面60a，该平面通过壳体纵轴线G和蓄电池组1的高度轴线H张开。在这里，也将蓄电池组1沿着推入方向57从上面推到蓄电池井道7中。该蓄电池组1如此深地容纳在蓄电池井道7中，使得其具有显示机构12和操作机构15的上面的端侧11大致形成壳体上侧45。如此选择可能的超出距离m，从而不干扰壳体上侧45的协调。
通过选择性地将蓄电池组1布置在工作设备的壳体41中，在该实施例中布置在花草修剪机的壳体中，实现了围绕前面的把手47的有利的设备平衡。
在按图5和6的实施例中，示出了可携带的手持式工作设备，这里的例子是机动链锯。所述蓄电池组1相对于与壳体底部44垂直的垂线58以角度β向后倾斜，也就是朝后面的把手46倾斜。该倾角优选为2°到20°，在示出的实施例中是10°。
所述蓄电池组1以其宽度轴线B横向于工作设备40的壳体纵轴线G的布置方式形成了有利的较短的结构长度，从而在机动锯中由于结构上较短的杠杆力臂使得由使用者施加的推进力可以不用太大。由此总得减少了锁死倾向。
在蓄电池井道7和前面的壳体端侧48之间的壳体空间49中，除了电动马达50和用于切削套件61的驱动装置之外，还布置了与蓄电池组1、驱动马达50以及操作开关63连接的控制电子器件62。该操作开关63通过支承在后面的把手46中的气门杆64进行操作，该气门杆可以根据气门杆止动器65的低压进行操作。除了控制电子器件62之外，在壳体空间49中还设置了工作介质容器66，该工作介质容器例如包含用于润滑环绕在导轨上的锯链的链条机油。
所述蓄电池组1的重心13与通过高度轴线H和壳体纵轴线G张开的平面60之间具有微小的侧向间距u。该间距u大约为0.02mm到0.2mm。又如此选择具有布置在其中的构件的设备壳体41的重心59，使得其有利地处于平面60a中，该平面通过蓄电池组1的高度轴线H和壳体纵轴线G张开；与该平面之间的微小的间距会是有利的。
在按图5和6的实施例中，壳体纵轴线G基本上是壳体纵向中轴线。
按图7和8的实施例基本上相应于按图5和6的实施例，所以对于相同的部件使用相同的附图标记。
与按图5和6的实施例不同的是，在按图7和8的实施例中所述蓄电池组1从侧向推入工作设备40的壳体41中，该工作设备在实施例中是机动链锯。如图7所示，蓄电池组1从壳体41的壳体纵侧67推入，其中该壳体纵侧67基本上平行于壳体纵轴线G延伸。在这种布置方式中，高度轴线H大致平行于壳体底部44，其中宽度轴线B大致垂直于壳体底部44。深度轴线T-在按图7的俯视图中-又平行于壳体纵轴线G，优选与壳体纵轴线G一致。
所述蓄电池组1如此深地容纳在蓄电池井道7中，使得其具有显示机构和操作机构的端侧11大致形成了壳体侧面42。如此选择可能的超出距离m，从而不干扰壳体侧面42的协调。
有利的是，在工作设备的壳体中如此布置所述蓄电池组，使得其宽度轴线沿着工作设备的壳体纵轴线定向，例如平行于壳体纵轴线或者与壳体纵轴线一致。由此实现特别狭长的结构形状，该结构形状对于在狭窄的区域中的工作来说会是有利的，例如在砍掉树木的枝杈时。

Claims (25)

1.电动工作设备，该电动工作设备具有壳体(41)，该壳体(41)具有沿着壳体纵轴线(G)的方向延伸的后面的把手(46)并且设有壳体底部(44)和壳体侧面(42，43)，其中在壳体(41)中容纳了电驱动马达(50)以及用于起动驱动马达(50)的控制电子器件(63)，该电动工作设备还具有构造在壳体(41)中的用于容纳蓄电池组(1)的蓄电池井道(7)，其中该蓄电池组(1)大致构造成方形的并且其壳体(2)沿着所有三个正交的空间方向(x，y，z)以高度轴线(H)、宽度轴线(B)和深度轴线(T)的方向延伸，其特征在于，所述蓄电池组(1)如此容纳在蓄电池井道(7)中，使得其宽度轴线(B)横向于工作设备(40)的壳体纵轴线(G)延伸，其中蓄电池组(1)的狭长侧(31)大致平行于工作设备(40)的第一壳体侧面(42)并且与工作设备(40)的第一壳体侧面(42)之间具有微小的间距(k)，并且使得高度轴线(H)竖立在壳体底部(44)上且蓄电池组(1)的端侧(11)与第二壳体侧面(43)相邻。
2.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的狭长侧(31)直接与壳体(41)的壳体纵侧(67)相邻。
3.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的端侧(11)与壳体底部(44)和壳体上侧(45)相邻。
4.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组具有高度(10)、宽度(20)以及深度(30)，其中其高度(10)大于其宽度(20)并且宽度(20)大于其深度(30)。
5.按权利要求4所述的电动工作设备，其特征在于，所述蓄电池组(1)的高度(10)大致相当于其宽度(20)的1.2倍到2.5倍。
6.按权利要求4所述的电动工作设备，其特征在于，所述蓄电池组(1)的宽度(20)大致相当于其深度(30)的1.2倍到2.5倍。
7.按权利要求1所述的电动工作设备，其特征在于，在蓄电池组(1)中容纳大致圆柱形的电池单元(3)，该电池单元的圆柱体轴线(4)基本上平行于蓄电池组(1)的高度轴线(H)。
8.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的高度轴线(H)与工作设备(40)的壳体纵轴线(G)相交。
9.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的高度轴线(H)和驱动马达(50)的旋转轴线(51)形成了共同的平面(60)，壳体纵轴线(G)也位于该平面中。
10.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的重心(13)与通过高度轴线(H)和壳体纵轴线(G)张开的平面(60)之间具有微小的侧向间距(u)。
11.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的一个端侧(11)形成了壳体(41)的壳体侧面(42，43)的局部面。
12.按权利要求11所述的电动工作设备，其特征在于，在所述端侧(11)中布置了蓄电池组(1)的显示机构和/或操作机构(12)。
13.按权利要求11所述的电动工作设备，其特征在于，所述局部面是壳体上侧(45)的部分。
14.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的高度轴线(H)相对于壳体底部(44)的垂线(58)来说是倾斜的。
15.按权利要求14所述的电动工作设备，其特征在于，所述蓄电池组(1)的高度轴线(H)沿着壳体纵轴线(G)的方向以角度(α，β)向前或者向后倾斜。
16.按权利要求15所述的电动工作设备，其特征在于，所述角度(α，β)大约为2°到20°。
17.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池井道(7)布置在后面的把手(46)和驱动马达(50)之间。
18.按权利要求1所述的电动工作设备，其特征在于，在位于蓄电池井道(7)和前面的壳体端侧(48)之间的壳体空间(49)中布置驱动马达(50)和控制电子器件(62)。
19.按权利要求18所述的电动工作设备，其特征在于，在壳体空间(49)中布置工作介质容器(66)。
20.按权利要求1所述的电动工作设备，其特征在于，所述蓄电池组(1)的远离后面的把手(46)的宽侧(21)确定了与前面的把手(47)之间具有间距(z)的平面(22)。
21.按权利要求20所述的电动工作设备，其特征在于，所述前面的把手(47)大致在驱动马达(50)的高度上搭接壳体(41)。
22.按权利要求5所述的电动工作设备，其特征在于，所述高度(10)大致相当于所述宽度(20)的1.4倍。
23.按权利要求6所述的电动工作设备，其特征在于，所述宽度(20)大致相当于所述深度(30)的1.7倍。
24.按权利要求16所述的电动工作设备，其特征在于，所述角度(α，β)大约为10°到15°。
25.按权利要求1所述的电动工作设备，其特征在于，所述电动工作设备是可携带的手持式工作设备，所述手持式工作设备是花草修剪机、机动锯、或者切断机。
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US20100218967A1 (en) 2010-09-02
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