CN112350014A - 一种深海电池装置及装配方法 - Google Patents
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Abstract
本发明涉及电池技术领域,具体公开一种深海电池装置及装配方法。该深海电池装置包括箱体、上盖、电池组、压力补偿组件和紧固拉板组件,所述上盖密封连接于所述箱体的顶部,所述电池组设置于所述箱体的内部,所述压力补偿组件设置于所述箱体内并位于所述电池组的一侧,所述紧固拉板组件呈环形,所述紧固拉板组件密封套设且连接于所述箱体和所述上盖的连接处。该深海电池装置具有较高的比能量和成组率,以及密封性能和承压能力显著提高。
Description
技术领域
本发明涉及电池技术领域,尤其涉及一种深海电池装置及装配方法。
背景技术
目前深潜器、深潜运载器、深海救生装备等深海装备,通常需要在几百米、乃至数千米的深海压力环境下工作,随着装备下潜深度的增加,电池组所受的压力也相应增加。目前海水承压电池行业大都采用压力补偿的方式进行制作海水承压电池,采用该方式制作的电池组比能量较高、承受压力范围可适用于全海深。但是现有的压力补偿式承压电池比能量较低,且大都采用分体式结构,以及密封性较差。
发明内容
基于以上所述,本发明的目的在于提供一种深海电池装置及装配方法,具有较高的比能量和成组率,密封性能和承压能力显著提高。
为达上述目的,本发明采用以下技术方案:
一种深海电池装置,包括:
箱体;
上盖,密封连接于所述箱体的顶部;
电池组,设置于所述箱体的内部;
压力补偿组件,设置于所述箱体内并位于所述电池组的一侧;
紧固拉板组件,呈环形,所述紧固拉板组件密封套设且连接于所述箱体和所述上盖的连接处。
作为一种深海电池装置的优选方案,所述电池组的极耳朝向所述箱体的所述顶部设置。
作为一种深海电池装置的优选方案,所述箱体呈长方体状,所述上盖密封连接于所述箱体的面积较大的所述顶部,所述压力补偿组件密封连接于所述箱体的面积较小的一端部。
作为一种深海电池装置的优选方案,所述上盖向下延伸设置有环形的密封部,且所述上盖的上端具有凹槽;
所述紧固拉板组件包括外紧固拉板、内紧固拉板和螺栓,所述内紧固拉板设置于所述凹槽内,所述外紧固拉板套设于所述连接处,所述螺栓依次螺纹连接于所述外紧固拉板、所述箱体、所述上盖和所述内紧固拉板。
作为一种深海电池装置的优选方案,还包括:
密封圈,设置于所述箱体和所述上盖的连接处,
优选地,所述密封圈为双密封圈。
作为一种深海电池装置的优选方案,所述箱体和所述上盖均由改性PE材料制成。
作为一种深海电池装置的优选方案,还包括:
电池管理系统,设置于所述箱体内且位于所述电池组和所述压力补偿组件之间。
作为一种深海电池装置的优选方案,所述压力补偿组件包括:
挡板、皮囊和调节阀盖,所述皮囊设置于所述挡板和所述调节阀盖之间,所述挡板连接于所述箱体且位于所述电池管理系统和所述皮囊之间,所述调节阀盖密封连接于所述箱体。
作为一种深海电池装置的优选方案,所述调节阀盖和所述皮囊通过螺钉连接于所述箱体。
作为一种深海电池装置的优选方案,所述挡板上均匀布设有多个通孔。
作为一种深海电池装置的优选方案,所述电池管理系统包括:
支架、从控板和主控板,所述支架连接于所述箱体,所述从控板固定设置于所述支架上,所述主控板固定设置于所述支架上且位于所述从控板的下方。
作为一种深海电池装置的优选方案,所述电池组包括多个单元电池,所述单元电池包括软包电池,所述软包电池为三元软包锂离子电池。
一种深海电池装置装配方法,包括上述任一技术方案所述的深海电池装置,装配步骤如下:
将所述电池组和所述压力补偿组件从所述箱体的顶部并排放入所述箱体内;
将所述上盖放置于所述箱体的顶部,然后将所述紧固拉板组件连接于所述箱体和所述上盖的连接处。
本发明的有益效果为:
本发明提供一种深海电池装置及装配方法,包括箱体、上盖、电池组、压力补偿组件和紧固拉板组件,通过将电池组设置于箱体的内部,压力补偿组件设置于电池的一侧并密封连接于箱体,上盖密封于箱体的顶部,使得该深海电池装置结构简单、方便安装、具有较高的比能量和成组率,以及密封性能和承压能力也显著提高;通过将呈环形的紧固拉板组件密封套设且连接于箱体和上盖的连接处,使得箱体和上盖紧密连接,提高该深海电池装置的密封性,从而提高承压能力。
附图说明
为了更清楚地说明本发明实施例中的技术方案,下面将对本发明实施例描述中所需要使用的附图作简单的介绍,显而易见地,下面描述中的附图仅仅是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据本发明实施例的内容和这些附图获得其他的附图。
图1是本发明实施例提供的深海电池装置的爆炸图;
图2是本发明实施例提供的电池组的结构示意图;
图3是本发明实施例提供的电池管理系统的结构示意图;
图4是本发明实施例提供的压力补偿组件的结构示意图;
图5是本发明实施例提供的上盖的结构示意图;
图6是本发明实施例提供的紧固拉板组件的结构示意图;
图7是本发明实施例提供的深海电池装置装配完成的结构示意图。
图中:
1-箱体;2-上盖;
3-电池组;31-软包电池;32-上固定座;33-下固定座;34-PCB连接板;
4-压力补偿组件;41-挡板;42-皮囊;43-调节阀盖;
5-紧固拉板组件;51-外紧固拉板;52-内紧固拉板;53-螺栓;
6-密封圈;
7-电池管理系统;71-支架;72-从控板;73-主控板;
8-注油口;9-通讯接口;10-电源接口;11-提手。
具体实施方式
下面结合附图和实施例对本发明作进一步的详细说明。可以理解的是,此处所描述的具体实施例仅仅用于解释本发明,而非对本发明的限定。另外还需要说明的是,为了便于描述,附图中仅示出了与本发明相关的部分而非全部结构。
在本发明的描述中,除非另有明确的规定和限定,术语“相连”、“连接”、“固定”应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或成一体;可以是机械连接,也可以是电连接;可以是直接相连,也可以通过中间媒介间接相连,可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言,可以具体情况理解上述术语在本发明中的具体含义。
在本发明中,除非另有明确的规定和限定,第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触,也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且,第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方,或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方,或仅仅表示第一特征水平高度小于第二特征。
在本实施例的描述中,术语“上”、“下”、“左”、“右”等方位或位置关系为基于附图所示的方位或位置关系,仅是为了便于描述和简化操作,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此不能理解为对本发明的限制。此外,术语“第一”、“第二”仅仅用于在描述上加以区分,并没有特殊的含义。
如图1所示,本实施例提供一种深海电池装置,该深海电池装置包括箱体1、上盖2、电池组3、压力补偿组件4和紧固拉板组件5,上盖2密封连接于箱体1的顶部,电池组3设置于箱体1的内部,压力补偿组件4设置于电池组3的一侧,并密封连接于箱体1,紧固拉板组件5呈环形密封套设且连接于箱体1和上盖2的连接处。
在上述结构下,该深海电池装置便于拆卸和安装,通过将呈环形的紧固拉板组件5密封套设且连接于箱体1和上盖2的连接处,使得箱体1和上盖2紧密连接,有利于提高密封性和承压能力。
优选地,箱体1呈中空长方体状,箱体1的顶端设有开口,上盖2密封连接于顶端开口处,且箱体1面积较小的一端部开设有端口,压力补偿组件4密封连接于该端口处。
优选地,上盖2可拆卸连接于箱体1的顶端开口处,压力补偿组件4可拆卸连接于箱体1的端口处。
优选地,电池组3也为长方体状,且电池组3出极耳的一端朝向箱体1的顶部放置。
上述电池组3和压力补偿组件4相对于箱体1的位置设置,有利于提高电池装置的比能量和成组率。
优选地,箱体1和上盖2均采用通过改性获得的高分子聚乙烯材料,即改性PE材料制成,由于改性PE材料化学性能稳定、耐油腐蚀、耐海水腐蚀以及成本低廉,其比重仅为0.98g/cm3,箱体1和上盖2由改性PE材料制成,使得该深海电池装置整体重量轻,且适合深海工作环境。其中,改性PE材料的配方可以根据实际情况确定。箱体1厚度优选为3mm-5mm,由于改性PE材料比重较轻,使得该深海电池装置能够在重量较轻的情况下承受较大的压力而不被损坏,从而提高该深海电池装置的比能量。
如图2所示,电池组3包括多个单元电池,且多个单元电池之间根据需求进行串联或者并联组成电池组3。具体地,单元电池包括软包电池31、上固定座32、下固定座33和PCB连接板34,下固定座33连接于箱体1,软包电池31的两端分别连接于上固定座32和下固定座33。其中,上固定座32为软包电池31提供上固定,下固定座33为软包电池31提供下固定。PCB连接板34连接于软包电池31的极耳为软包电池31提供电连接部位。优选地,软包电池31采用承压型高比能三元软包锂离子电池,其比能量可以达到220Wh/kg。本实施例中,软包电池31与上固定座32和下固定座33均通过结构胶固定连接。且优选PCB连接板34与极耳通过焊锡方式连接,当然,在其他实施例中,PCB连接板34与极耳也可以通过电阻焊等其他方式进行焊接。
如图1和图3所示,深海电池装置还包括电池管理系统7,电池管理系统7设置于箱体1内且位于电池组3和压力补偿组件4之间,电池管理系统7优选采用主从分体式结构,但不限于主从一体式管理系统,电池管理系统7具备温度采集、电压电流采集、充电均衡功能、通信功能以及防止电池短路、过充、过放等功能。具体地,电池管理系统7包括支架71、从控板72和主控板73,支架71连接于箱体1,从控板72通过螺钉固定设置于支架71上,主控板73通过螺钉固定设置于支架71上且位于从控板72的下方。支架71为主控板73和从控板72提供固定安装位,从控板72为电池组3提供电压采集和温度采集等功能,主控板73为电池组3提供数据处理、通讯和保护等功能。优选地,支架71上设置有凹槽,主控板73和从控板72间隔设置于凹槽中,使得主控板73和从控板72更为稳固紧凑。
如图1和图4所示,压力补偿组件4为电池组3提供压力调节,使得产品在深海中能够正常为深海装备提供能源。具体地,压力补偿组件4包括挡板41、皮囊42和调节阀盖43,皮囊42设置于挡板41和调节阀盖43之间,挡板41通过螺钉连接于箱体1且位于电池管理系统7和皮囊42之间,调节阀盖43密封连接于箱体1的端口处,且调节阀盖43与皮囊42通过螺钉连接。具体地,箱体1的端口处设置有密封槽,皮囊42上设置有密封筋条,调节阀盖43上设置有凸筋,密封筋条与箱体1的端口处以及调节阀盖43上的凸筋共同形成密封体,以阻挡海水渗入箱体1内部。优选地,调节阀盖43的中部设置有圆孔,海水通过该圆孔作用于皮囊42,使得皮囊42能够按设计的方向产生形变。
挡板41优选为金属挡板,可以防止皮囊42在膨胀过程中接触到电池管理系统7,从而保护皮囊42在设计的工作值中安全使用。且挡板41上均布设有多个通孔,以减轻重量,提高压力油的流动性。调节阀盖43优选为金属盖,起到固定皮囊42和保护皮囊42的作用。本实施例中,皮囊42采用丁腈橡胶NBR材料制成,丁腈橡胶NBR耐油性好、耐磨性高、耐热性较好,当然,在其他实施例中,皮囊42可以根据实际情况采用不同材质。
进一步地,如图5所示,深海电池装置还包括注油口8、通讯接口9和电源接口10,注油口8通过螺母固定连接于上盖2,且为了提高密封性,在注油口8和上盖2的连接处设置有密封圈6,注油口8为灌注压力油的入口,注油口8的上端连接有注油盖。优选地,压力油采用25#变压器油,25#变压器油绝缘性能较好,当然,也可以采用其他压力油或硅油。通讯接口9为电池组3和深海设备通讯的水密接头,通讯接口9通过螺母固定连接于上盖2,电源接口10为电池组3电源输出和输入的水密接头,电源接口10通过螺母固定连接于上盖2,且通讯接口9和电源接口10与上盖2的连接处均设置有密封圈6。
为了方便移动深海电池装置,深海电池装置还包括提手11,提手11螺纹连接于上盖2。可选地,提手11被配置为能够折叠或立起,当不需要移动深海电池装置时,提手11可以折叠放置,节省空间,且使得深海电池装置表面较为平整。优选地,提手11的数量设置为两个,两个提手11沿上盖2的长度方向间隔设置,当然,在其他实施例中,提手11也可以设置有一个或三个及以上。
电池组3、电池管理系统7和压力补偿组件4均安装于箱体1后,将上盖2与箱体1进行密封连接,为了避免海水进入深海电池装置内部,该深海电池装置还包括密封圈6,密封圈6设置于箱体1和上盖2的连接处。具体地,上盖2向下延伸设置有环形的密封部,密封部上设置有环形的密封槽,密封圈6紧固套设于该密封槽中。优选地,密封圈6为双层密封圈,且呈“O”型,提高了箱体1与上盖2的连接密封性。可选地,密封圈6采用丁腈橡胶NBR制成,当然,在其他实施例中,密封圈6的材质和形状可以根据实际情况确定。
如图6和图7所示,上盖2的上端设置有环形的凹槽。由于箱体1和上盖2均采用改性PE材料制成,具有一定的弹性,若受力不均时,可能会导致箱体1或上盖2部分凹陷,使得连接处出现缝隙,从而使得海水进入箱体1,所以为进一步提高箱体1和上盖2的连接密封性,在箱体1和上盖2的连接处还设置有紧固拉板组件5,上盖2放置于箱体1上方,密封圈6与箱体1形成双重侧密封,再通过紧固拉板组件5进行密封加固,形成有效密封体。紧固拉板组件5包括外紧固拉板51、内紧固拉板52和螺栓53,内紧固拉板52呈环形且设置于上盖2的凹槽内,内紧固拉板52的形状与凹槽的形状相适配以方便安装;外紧固拉板51呈环形且套设于箱体1的外周,外紧固拉板51与内紧固拉板52平行设置,螺栓53依次螺纹连接于外紧固拉板51、箱体1、凹槽槽壁和内紧固拉板52,以将箱体1和上盖2的连接处拉紧。
外紧固拉板51和内紧固拉板52优选采用金属材料制成,使得箱体1和上盖2连接更加紧密,且连接处不易变形以防漏水,本实施例中,外紧固拉板51和内紧固拉板52均采用不锈钢316材质制成,不锈钢316耐蚀性能强,当然,在其他实施例中,外紧固拉板51和内紧固拉板52也可以采用其他材质。优选地,螺栓53的数量设置有多个,多个螺栓53沿外紧固拉板51的周方向等间隔均匀分布,使得连接处受力均匀,从而提高箱体1和上盖2连接的紧固性和密封性。螺栓53优选采用内六角超薄螺钉,内六角超薄螺钉的紧固力较大,当然,螺栓53也可以采用其他规格形状。
本实施例提供的深海电池装置能有效解决压力补偿式电池组比能量低下、成组率不高的问题。深海电池装置可将电池组比能量提升至135Wh/Kg,成组率可提升至65%,工作深度可适用于3000米的深海环境。
以下为该深海电池装置的装配方法:
将电池组3、电池管理系统7、挡板41和皮囊42从箱体1的顶部并排放入箱体1内;
然后将调节阀盖43放置于端口处,通过螺钉将调节阀盖43和皮囊42连接于箱体1的端口处;
将上盖2放置于箱体1的顶部,然后将内紧固拉板52放置于上盖2上,将外紧固拉板51套设于箱体1和上盖2的连接处,最后通过螺栓53固定。
通过使用上述的装配方法装配该深海电池装置,使得该深海电池装置具有较高的比能量和成组率,以及良好的密封性能和承压能力。
注意,上述仅为本发明的较佳实施例及所运用技术原理。本领域技术人员会理解,本发明不限于这里所述的特定实施例,对本领域技术人员来说能够进行各种明显的变化、重新调整和替代而不会脱离本发明的保护范围。因此,虽然通过以上实施例对本发明进行了较为详细的说明,但是本发明不仅仅限于以上实施例,在不脱离本发明构思的情况下,还可以包括更多其他等效实施例,而本发明的范围由所附的权利要求范围决定。
Claims (13)
1.一种深海电池装置,其特征在于,包括:
箱体(1);
上盖(2),密封连接于所述箱体(1)的顶部;
电池组(3),设置于所述箱体(1)的内部;
压力补偿组件(4),设置于所述箱体(1)内并位于所述电池组(3)的一侧;
紧固拉板组件(5),呈环形,所述紧固拉板组件(5)密封套设且连接于所述箱体(1)和所述上盖(2)的连接处。
2.根据权利要求1所述的深海电池装置,其特征在于,所述电池组(3)的极耳朝向所述箱体(1)的所述顶部设置。
3.根据权利要求1或2所述的深海电池装置,其特征在于,所述箱体(1)呈长方体状,所述上盖(2)密封连接于所述箱体(1)的面积较大的所述顶部,所述压力补偿组件(4)密封连接于所述箱体(1)的面积较小的一端部。
4.根据权利要求1所述的深海电池装置,其特征在于,
所述上盖(2)向下延伸设置有环形的密封部,且所述上盖(2)的上端具有凹槽;
所述紧固拉板组件(5)包括外紧固拉板(51)、内紧固拉板(52)和螺栓(53),所述内紧固拉板(52)设置于所述凹槽内,所述外紧固拉板(51)套设于所述连接处,所述螺栓(53)依次螺纹连接于所述外紧固拉板(51)、所述箱体(1)、所述上盖(2)和所述内紧固拉板(52)。
5.根据权利要求1所述的深海电池装置,其特征在于,还包括:
密封圈(6),设置于所述箱体(1)和所述上盖(2)的连接处,
优选地,所述密封圈(6)为双密封圈。
6.根据权利要求1所述的深海电池装置,其特征在于,所述箱体(1)和所述上盖(2)均由改性PE材料制成。
7.根据权利要求1所述的深海电池装置,其特征在于,还包括:
电池管理系统(7),设置于所述箱体(1)内且位于所述电池组(3)和所述压力补偿组件(4)之间。
8.根据权利要求7所述的深海电池装置,其特征在于,所述压力补偿组件(4)包括:
挡板(41)、皮囊(42)和调节阀盖(43),所述皮囊(42)设置于所述挡板(41)和所述调节阀盖(43)之间,所述挡板(41)连接于所述箱体(1)且位于所述电池管理系统(7)和所述皮囊(42)之间,所述调节阀盖(43)密封连接于所述箱体(1)。
9.根据权利要求8所述的深海电池装置,其特征在于,所述调节阀盖(43)和所述皮囊(42)通过螺钉连接于所述箱体(1)。
10.根据权利要求8所述的深海电池装置,其特征在于,所述挡板(41)上均匀布设有多个通孔。
11.根据权利要求7所述的深海电池装置,其特征在于,所述电池管理系统(7)包括:
支架(71)、从控板(72)和主控板(73),所述支架(71)连接于所述箱体(1),所述从控板(72)固定设置于所述支架(71)上,所述主控板(73)固定设置于所述支架(71)上且位于所述从控板(72)的下方。
12.根据权利要求1所述的深海电池装置,其特征在于,所述电池组(3)包括多个单元电池,所述单元电池包括软包电池(31),所述软包电池(31)为三元软包锂离子电池。
13.一种深海电池装置装配方法,其特征在于,包括权利要求1-12任一项所述的深海电池装置,装配步骤如下:
将所述电池组(3)和所述压力补偿组件(4)从所述箱体(1)的顶部并排放入所述箱体(1)内;
将所述上盖(2)放置于所述箱体(1)的顶部,然后将所述紧固拉板组件(5)连接于所述箱体(1)和所述上盖(2)的连接处。
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