CN108885027A - 接合夹子 - Google Patents
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Abstract
本公开提供了用于组装光伏(PV)阵列的接合夹子结构的描述,并且在形成PV阵列一部分的PV模块框架之间提供电接合。接合夹子包括导电本体以及从本体的底面延伸的至少一个电接合件。第一间隔件在远离本体的底面的方向上从导电本体延伸,以及第二间隔件在远离本体的底面的方向上从导电本体延伸。
Description
相关申请的交叉引用
本公开基于2015年12月9日提交的题为“接合夹子”的共同待决的美国临时申请(序列号62/264,987)并且要求其权益,其全部内容通过引用并入本文。
背景技术
技术领域
本公开一般涉及接合夹子,并且更具体地涉及用于将光伏模块框架固定到轨道系统同时在框架之间提供电接合的接合夹子。
相关技术的描述
光伏阵列通常由设置在金属框架内的多个光伏模块以及支撑光伏模块的轨道系统组成。当安装光伏阵列时,将许多光伏模块组装到更大的安装结构上,有时称为轨道或货架结构。各个光伏模块的金属框架以及模块安装在其上的结构件(例如导轨)通常由铝制成,铝通常被阳极氧化以抵抗腐蚀。虽然光伏模块的框架直接用螺栓连接或夹紧在导轨上,但阳极氧化绝缘了金属结构,使得它们可能没有电接合,除非采取措施将它们电接合。
像其他电力来源一样,为了确保安全,光伏模块的金属框架和它们所固定的金属导轨通常按照国家或地方电气规范进行电接合。这里在技术意义上使用电接合来表示在金属结构之间形成导电路径,以确保金属结构之间的电连续性足以安全地传导施加在金属结构上的电流。
为了电接合金属结构,工业上的一种惯例是在阳极氧化的每个部件上安装单独的接地片,或者在阳极氧化金属结构之间安装单独的接地垫片。用螺纹成型不锈钢螺钉将接地片附接到光伏模块的金属框架上。由于螺钉切入铝内部,形成一个连接,可以随着时间的推移保持电气连接。然而,普通的金属板厚度相当薄,例如0.080英寸,而普通的螺钉尺寸为10-32,因此螺钉仅在约21/2个螺纹上连接,这就机械强度和电导率而言提供了刚刚可接受的表面接触面积。在金属结构之间使用单独的接合垫片提供了更大的电接触面积,以改善电接合连接。但是,添加接地片或单独的接合垫片会增加安装光伏阵列的成本,以及会增加供应方面和安装单独接合组件所需的劳动力成本。
发明内容
本公开提供了用于组装光伏(PV)阵列的接合夹子结构的描述,并且在形成PV阵列一部分的PV模块框架之间提供电接合。在一个示例性实施方式中,接合夹子包括:包括导电本体,该导电本体具有顶侧,底侧,用于接收安装紧固件的紧固件接收件(例如孔),以及从本体的底面延伸的至少一个电接合件,第一间隔件,其在远离本体的底面的方向上从导电本体延伸,以及第二间隔件,其在远离本体的底面的方向上从导电本体延伸。导电本体可以大致上是平的。在另一示例性实施方式中,接合夹子包括具有顶侧和底侧的导电本体,在远离底面的方向上从导电本体延伸的第一间隔件,以及在远离底面的方向上从导电本体延伸的第二间隔构件。第二间隔件与第一间隔件对齐,使得第一和第二间隔件限定本体的两个部分,该部分包括从本体的底面延伸的至少一个电接合件。
在一个示例性实施方式中,第一间隔件从导电本体的一端延伸,第二间隔件从导电本体的相对端延伸。在另一示例性实施方式中,第一间隔件从导电本体的底面延伸,第二间隔件从导电本体的底表面延伸。
至少一个电接合件可以包括多个电接合件,其中,多个电接合件中的每一个包括单个齿。在一些实施方式中,单个齿具有锯齿状末端。
附图说明
附图仅出于说明的目的描绘了实施方式。本领域技术人员根据以下描述将容易认识到,可以在不脱离本文所描述的原理的情况下采用在此示出的结构的替代实施方式,其中:
图1是根据本公开的接合夹子的示例性实施方式的顶部透视图;
图2是图1的接合夹子的底部透视图;
图3是图1的接合夹子的侧视图;
图3A是根据本公开的接合夹子的另一示例性实施方式的侧视图;
图4是沿线4-4截取的图3的接合夹子的局部剖视图,并且示出了用于刺穿金属结构的非导电表面的电接合件,以促进金属表面之间的电接合;
图5是沿线4-4截取的图3的接合夹子的局部剖视图,但是示出了用于刺穿金属结构的非导电表面的电接合件的另一示例性实施方式,以促进金属表面之间的电接合;
图6是图1的接合夹子,光伏模块框架和轨道的示例性实施方式俯视透视图(部件分开);
图7是图6的示例性实施方式的俯视透视图,其中接合夹子将光伏模块框架连接并接合至轨道;以及
图8是图3中沿线4-4截取的接合夹子的局部剖视图,和光伏模块框架的局部剖视图,示出了刺穿光伏模块框架的非导电表面的电接合件。
具体实施方式
本公开提供了用于组装光伏(PV)阵列的接合夹子的实施方式的描述,并且在形成PV阵列的一部分的PV模块框架之间提供电接合。本说明书和附图应被视为说明性意义而非限制性意义。在不脱离本公开的精神和范围的情况下,可以对其进行多种修改。
参照图1-图3,示出了根据本公开的接合夹子的示例性实施方式。在该示例性实施方式中,接合夹子10包括导电本体12,导电本体12具有顶侧12a,底侧12b,用于接收安装紧固件的孔14,以及从本体12的底面12b延伸的至少一个电接合件16。本体12由提供足够结构完整性的材料制成,以将PV模块框架固定到轨道系统(下文描述),同时还能够导电以提供电接合。作为示例,本体12可以由不锈钢或其他导电钢、铝和/或铝合金制成。
从本体12的相对端延伸的是间隔件18,例如间隔臂。当固定到轨道系统时,间隔臂18在PV模块框架之间提供大致均匀的间隔(如下所述),并且在固定到轨道系统时还确保接合夹子10不会旋转以确保电接合。在一个实施方式中,间隔臂18从本体12向外延伸并且具有折弯,该折弯与从本体12的底面12b延伸的电接合件16为大致相同的方向。当安装在PV阵列中时,间隔臂18中的折弯应该足以使间隔臂18落在PV模块框架之间,如图7所示。在一个示例性实施方式中,如图3所示,间隔臂18的折弯范围“α”可以在约30度和约90度的范围内,但是可以使用其他折弯范围。间隔臂18可以与本体12一体地形成,或者间隔臂可以通过例如焊接连接固定到本体12。在另一个示例性实施方式中,如图3A所示,间隔臂18可以从本体12的底面12b延伸并且大致垂直于本体的底面12b。间隔臂18的宽度“W”可以在约0.25英寸至约1.5英寸的范围内。然而,本领域技术人员容易理解,宽度“W”可以是实现PV模块框架之间期望间隔的任何宽度。当固定到轨道系统时,该宽度“W”设定了PV模块框架之间的大致均匀间隔,如下所述。
参照图4和图5,每个电接合件16形成有齿或者在工业中有时称作的“火山(volcano)”。每个电接合件能够切穿或刺穿PV模块框架上的非导电涂层,该非导电涂层保护PV模块框架免受腐蚀。这种非导电涂层的实例包括氧化物,涂料和/或阳极氧化。每个电接合件16可以是整体圆形或其他形状的齿或结构,例如图4中可见,其能够切穿或刺穿PV模块框架上的非导电涂层。在另一个示例性实施方式中,每个电接合件16可以是整体圆形或其他形状的齿或结构,其具有锯齿状末端边缘16a,如图5所示,其也能够切穿或刺穿PV模块框架上的非导电涂层。可以从本体12挤出电接合件16,或者可以通过例如焊接连接将电接合件16固定到本体12。
参照图6-图8,描述连接到PV模块框架和轨道系统的本公开的接合夹子10。参照图6,示出两个PV模块框架30的部分,其处于这样的位置:搁置在支撑PV阵列的轨道系统的轨道40上。接合夹子10定位成使得本体12可以搁置在每个PV模块框架30的顶面32上。在所示的实施方式中,本体12搁置在PV模块框架30的顶面32上,两个电接合件16定位成刺穿每个PV模块框架上的非导电涂层。然而,本领域技术人员容易认识到,可以定位仅一个电接合件16以刺穿每个PV模块框架30上的非导电涂层,或者可以定位多于两个电接合件16以刺穿每个PV模块框架上的非导电涂层。如上所述,在PV模块框架30之间延伸的间隔臂18防止本体12移位或旋转,使得一个或多个电接合件16保持位置以刺穿PV模块框架上的非导电涂层34。此外,在本体12搁置在PV模块框架30上的情况下,间隔臂18定位在PV模块框架30之间,以在PV模块框架30之间提供大致均匀的间隔“W”,如图7所示。宽度“W”还限定了沿本体12长度的区域,该区域不接触PV模块框架30,使得本体具有两个接触PV模块框架的部分,使得电接合件16定位在本体中两个与PV模块框架接触的部分上。
为了将PV模块框架30固定到轨道40,可以使用安装紧固件42,例如螺母和螺栓,或铆钉。在该示例性实施方式中,螺栓44穿过本体夹子10的本体12中的孔14(在PV模块框架30之间),并穿过轨道40中的孔48。然后将螺母46附接到螺栓44并拧紧,将接合夹子10固定到PV模块框架30,并将PV模块框架30固定到轨道40。如图8所示,当螺母46和螺栓44被紧固时,每个电接合件16定位在PV模块框架30的顶面32上方,电接合件16切穿或刺穿顶面32上的非导电涂层34,使得接合夹子10的本体12的导电金属与PV模块框架30的导电金属电接触。结果,通过接合夹子10在两个PV模块框架30之间创建导电路径,如图7所示。当轨道和PV模块框架适当地连接到电气接地时,由一个或多个接合夹子10创建的导电路径能便利地使PV阵列接合。
虽然上面已经描述和说明了本公开的说明性实施方式,但是应当理解,这些是本公开的示例,并且不应被视为限制。在不脱离本公开的精神或范围的情况下,可以进行添加,删除,替换和其他修改。因此,本公开不应被视为受前述描述的限制。
Claims (25)
1.一种接合夹子,包括:
导电本体,其具有:顶侧;底侧;紧固件接收件,用于容纳安装紧固件;以及,从所述本体的底面延伸的至少一个电接合件;
第一间隔件,其在远离所述本体的底面的方向上从所述导电本体延伸;以及
第二间隔件,其在远离所述本体的底面的方向上从所述导电本体延伸。
2.根据权利要求1所述的接合夹子,其中,所述导电本体大致上是平的。
3.根据权利要求1所述的接合夹子,其中,所述第一间隔件从所述导电本体的一端延伸,以及,所述第二间隔件从所述导电本体的相对端延伸。
4.根据权利要求1所述的接合夹子,其中,所述第一间隔件从所述导电本体的底面延伸,以及,所述第二间隔件从所述导电本体的底面延伸。
5.根据权利要求1所述的接合夹子,其中,所述至少一个电接合件包括多个电接合件。
6.根据权利要求5所述的接合夹子,其中,所述多个电接合件中的每一个包括单个齿。
7.根据权利要求5所述的接合夹子,其中,所述多个电接合件中的每一个包括具有锯齿状末端的单个齿。
8.根据权利要求1所述的接合夹子,其中,所述至少一个电接合件包括单个齿。
9.根据权利要求1所述的接合夹子,其中,所述至少一个电接合件包括具有锯齿状末端的单个齿。
10.根据权利要求1所述的接合夹子,其中,所述紧固件接收件包括孔。
11.一种接合夹子,包括:
导电本体,其具有顶侧和底侧;
第一间隔件,其在远离所述底面的方向上从所述导电本体延伸;以及
第二间隔件,其在远离所述底面的方向上从所述导电本体延伸,所述第二间隔件与所述第一间隔件对齐,使得所述第一以及第二间隔件限定所述本体的两个部分,该部分包括从所述本体的底面延伸的至少一个电接合件。
12.根据权利要求11所述的接合夹子,其中,包括至少一个电接合件的所述本体的两个部分中的每一个包括多个电接合件。
13.根据权利要求12所述的接合夹子,其中,所述多个电接合件中的每一个包括单个齿。
14.根据权利要求12所述的接合夹子,其中,所述多个电接合件中的每一个包括具有锯齿状末端的单个齿。
15.根据权利要求11所述的接合夹子,其中,所述两个部分的每个部分中的所述至少一个电接合件包括单个齿。
16.根据权利要求11所述的接合夹子,其中,所述两个部分的每个部分中的所述至少一个电接合件包括单个齿,以及,每个齿具有锯齿状末端。
17.根据权利要求11所述的接合夹子,其中,所述第一间隔件从所述导电本体的一端延伸,以及,所述第二间隔件从所述导电本体的相对端延伸。
18.根据权利要求11所述的接合夹子,其中,所述第一间隔件从所述导电本体的底面延伸,以及,所述第二间隔件从所述导电本体的底面延伸。
19.根据权利要求11所述的接合夹子,其中,所述导电本体大致上是平的。
20.一种接合夹子,包括:
导电本体,其具有顶侧,底侧,用于接收安装紧固件的孔,以及,从所述本体的底面延伸的多个电接合件;
第一间隔件,其在远离所述本体的底面的方向上从所述导电本体延伸;以及
第二间隔件,其在远离所述本体的底面的方向上从所述导电本体延伸。
21.根据权利要求20所述的接合夹子,其中,所述导电本体大致上是平的。
22.根据权利要求20所述的接合夹子,其中,所述第一间隔件从所述导电本体的一端延伸,以及,所述第二间隔件从所述导电本体的相对端延伸。
23.根据权利要求20所述的接合夹子,其中,所述第一间隔件从所述导电本体的底面延伸,以及,所述第二间隔件从所述导电本体的底面延伸。
24.根据权利要求20所述的接合夹子,其中,所述多个电接合件中的每一个包括单个齿。
25.根据权利要求20所述的接合夹子,其中,所述多个电接合件中的每一个包括具有锯齿状末端的单个齿。
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US201562264987P | 2015-12-09 | 2015-12-09 | |
US62/264,987 | 2015-12-09 | ||
PCT/US2016/065831 WO2017100574A1 (en) | 2015-12-09 | 2016-12-09 | Bonding clamp |
Publications (1)
Publication Number | Publication Date |
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CN108885027A true CN108885027A (zh) | 2018-11-23 |
Family
ID=59013614
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CN201680078330.XA Pending CN108885027A (zh) | 2015-12-09 | 2016-12-09 | 接合夹子 |
Country Status (4)
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US (1) | US20170170579A1 (zh) |
CN (1) | CN108885027A (zh) |
AU (1) | AU2016366320A1 (zh) |
WO (1) | WO2017100574A1 (zh) |
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US20210156413A1 (en) * | 2019-11-25 | 2021-05-27 | Pegasus Solar, Inc. | Twist-lock solar module clamp |
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Also Published As
Publication number | Publication date |
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AU2016366320A1 (en) | 2018-07-12 |
WO2017100574A1 (en) | 2017-06-15 |
US20170170579A1 (en) | 2017-06-15 |
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