CN1141095A - 蓄电池的顶盖 - Google Patents
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Abstract
本发明提出了一种适用于“还原”型或“KAMINA”型蓄电池的顶盖，该顶盖是由塑性材料模制而成的单一制成品零件。它具有如下一些部分：——基本上平的表面(6)；多个沿直线相互排列并与相应的蓄电池单元相通的孔(4)；若干个压在上述孔上的孔盖(11)；以及用来输送电池所产生气体的通道(5)，该通道的端部朝向顶盖的外表面。如这一实施例所述的顶盖适用于“KAMINA”型蓄电池，原因在于：在输气通道(5)的至少一个端部可以方便地设置用来排气的管件。另一方面，如果将如本发明所述的顶盖应用于“还原”型蓄电池，只要在气流通道(5)的端部设置至少一个单向阀，并在每个孔盖(11)下垫入OR圈一类的密封件。
Description
本发明涉及用于蓄电池的一种顶盖，这种顶盖可同时用于“KAMINA”型或所谓“还原”(re-combination)型蓄电池。
“KAMINA”型蓄电池是按照专利G9101356.9(该专利属于德国的Moll GMBH公司)中公开的内容而制成的。这种蓄电池用于某种特定环境条件下，在该条件下，蓄电池运行时产生的烟气应该可以被阻止排入蓄电池的工作环境中。出于这项考虑，“KAMINA”型蓄电池上设置了内部开有输气通道的顶盖，该通道使每个蓄电池单元相互连通。通道设有至少一个位于电池顶盖边缘的孔口，孔中上连接着管件，其作用是在蓄电池运行或再充电时将电池单元内部产生的气体汇集并排除。连接各个电池单元的通道可推荐采用如下的形式，亦即对应于各个电池再装孔序列的中心线。上述各个再装孔中插有相应的孔盖，孔盖的管壁上设有至少一个用来连通输送通道的孔，从而保证了通道中相邻段之间的连通。因此，显而易见，每个电池单元上产生的烟气将会穿过电池单元相应孔盖上的侧孔，并且通过该侧孔而进入集气通道，该集气通道通过连接在其端部的一个或两个管件而将烟气(如氢气)输送到外部环境中。这样即可解除因氢气积存而可能出现的爆燃危险，或者说避免了对环境的污染。
而对于所谓“还原”型蓄电池来说，在其工作原理中，每个电池单元中两个极板之间预设有一个专用的隔离元件。构成电池的每个电池单元气密地密封，这样，因电化学反应而生成的气体将会被封闭在内部并可被用于电池本身再生时进行的化学反应，上述气体可与电化学反应过程中形成的离子重新结合。
在蓄电池或在一个或多个蓄电池单元中，由于能量输出超过许用限度或由于其它原因而可能导致某种过热现象，这样将会出现产生高压气体一类的工况，为避免出现这种情况，蓄电池中的每个电池单元中都设有用于排气的单向阀，从而使蓄电池免于上述现象的侵害。还原反应无需再充电解液。因此“还原”型蓄电池内往往不设用于再充电解液的孔盖。这样，“还原”型蓄电池的顶盖将相对于电池箱及其电池单元气密地密封，其中仅有单向阀起着将可能出现的上述内部过压加以卸除的作用。
因此，本发明构想了两种不同的电池箱顶盖，一种用于“KAMI-NA”型蓄电池，着眼于将气体经由集气管排入外部环境；另一种顶盖用于“还原”型蓄电池，具有气密密封件及排气阀。
本发明的目的在于获得可用单块模具制造的电池顶盖，这种顶盖可方便地用来生产上述“KAMINA”型蓄电池，同时也可用来生产“还原”型蓄电池。
因此，预期目的在于获得两种起于其标准模具而终于其不同末态特性的顶盖，其末态特性的不同之处在于附加其它配件，以使顶盖与两种不同型式的蓄电池相配。
以上所述所有目的以及如下详述的其它目的将由如本发明所述的顶盖来实现。根据主权利要求的内容，该顶盖包括：——大致平的表面，其边缘适宜通过焊接或粘接而连接在电池箱箱体上；——若干个孔，它们依次沿直线排列，每个孔都与相应电池单元连通；——若干个分别扣在上述相应孔口上的孔盖，其上设有至少一个孔，用于使通道(用以输送电池产生的气体)的相邻段实现连通；——至少一个用来输送电池所产生气体的通道，它被设置在顶盖外表面的下侧并与每个电池单元连通，其端部朝向顶盖外表面，
其特征在于上述至少一个通道的至少一个端部由单向阀封闭，单向阀使电池内部积存的气体在压力达到预定值时被卸除，通道另一端部设有另一单向阀或防漏气密封盖，使用密封元件可以实现对上述顶盖外部的气密密封，该密封元件被设置在每个孔盖顶部的下方并插入顶盖的每个孔中。
根据本发明，采用单模塑性加工技术可以方便地达到下文述及的技术要求。这一类蓄电池的技术要求在于：电池运行或再充电时产生的气体应被汇集起来并经由一个管件被输送到外部环境中，对于这类蓄电池的生产来说，电池顶盖内通道的某一端应该与至少一个管件保持可靠的连通，而通道另一端在无需与输送管连通时应设置密封盖；同时，电池再充孔上的所有密封孔盖也需保证良好的密封，例如，其密封方法可以是孔口与孔盖之间取锥面配合的形式。
另一方面，该顶盖还可用于生产“还原”型蓄电池，从顶盖边缘伸出的通道某端由至少一个单向阀封闭，单向阀由盖形元件构成，材料为柔性塑料或橡胶等，通道的另一端由密封盖封闭。“还原”型蓄电池再充孔的密封孔盖此时不再需要，而是将OR圈一类的密封元件装在孔盖顶部下侧以起到长期密封的作用。
如本发明所述制造工艺的优点是显而易见的，对于“KAMINA”型蓄电池的制造来说，本实施例中的顶盖除边缘外已经没有需要做必要改进的余地。而对于如本发明所述用于“还原”型蓄电池的顶盖来说，与现有此类蓄电池中每个电池配一个阀门的需要量相比，所用的阀门元件明显减少了，原因有两点，一是顶盖内部输气通道的端部至多只需两个阀门，二是在孔盖中垫入OR圈一类的密封件就足以实现顶盖的气密密封。因此，孔盖中是否设置密封件以及输气通道端部只含设置排气阀便可以确定所生产的顶盖为“KAMINA”型还是“还原”型。这种方案对于“还原”型顶盖来说无论在零件装配方面还是在降低成本方面都具有极大的优越性，因为现有“还原”型顶盖是由专用模具制造的，而且现有“还原”型顶盖的问题主要还在于所用的单向阀数量与构成蓄电池的电池单元数量相同。
如本发明所述的顶盖制造方法还有另外一个优点：在所制成的“还原”型蓄电池中，输气通道与构成蓄电池的每个电池单元都是相通的，因此各个电池单元中的气压便可均等地稳定维持。显然，这一特征有助于蓄电池使用寿命的延长。
还可用管件将多个蓄电池并排连接起来，此时只需将两个阀门装在输气通道链的始端及末端。这种做法对于蓄电池的各单个元件中压力平衡具有明显的优点。
如本发明所述的顶盖可以使“还原”型蓄电池中的所有电池单元实现压力平衡，这一特点造就了如下的工艺可能性，亦即用聚丙烯代替目前使用的ABS来模制顶盖及电池箱，这一替代措施可以降低加工零件的生产成本。
以下的详细说明将对本发明的其它优点和特征加以明确表述。然而，对于本领域专业人士来说，在本发明的精神及范围内，从以下详细描述及附图出发可以演化出许多不同的改进和变化，因此，本发明优选实施例所代表的详细说明及实施例仅限于举例说明。——图1表示如本发明所述顶盖的全貌。——图2是图1所示待装配到“KAMINA”型蓄电池上的顶盖的放大截面图。——图3表示图1所示待装配到“还原”型蓄电池上的顶盖。
参见图1，可以看出，如本发明所述的顶盖(其整体用标号1表示，最好采用聚丙烯模制而成)上设有两个用以容纳电极通过的孔，如标号2和3所示；另外还设有沿直线分布的一排孔4，其数目与构成蓄电池的电池单元数目相同，在本示例中为六个。
由图2可以看出，顶盖1的下部设有输气通道5，它位于顶盖1表面6的下侧并穿过孔序列4的中心线。在本示例中，通道5的端口如图2中的7和8所示，其端口7与管件9相通，其端口8由管盖10封闭。每个孔4都配有孔盖11，孔盖11上在经向对称位置设有两个孔12和13，这样可以保证各个蓄电池单元(如14所示)排出的气体能够进入集气通道5，从而使各个单元14产生的气体经由排气管9被输送到外部。
最好每个孔4的上部有一加大的部分15，用以容纳孔盖11的顶部。这种加大的开口的底部具有一平面环形部分及一大致为三角形的环形凸缘16。这样，三角形凸缘的一端就表现为截锥形开口，同时孔盖11顶部的下方也具有同样的形状，因此，在将孔盖向孔中旋紧时将可获得必要的气密封接。环形凸缘16的另一端限定用于OR圈的空腔。此处所述并如图2所示的顶盖基本上是适用于“KAMINA”型蓄电池的。
而对于适宜装配“还原”型蓄电池的顶盖组件来说，可以看到，与外部保持气密密封是必要的，其密封措施为：将OR圈垫在各孔盖11顶部的下方，并使其位于底部15的平面环形部分与环形凸缘16之间。这样，孔盖11在被旋入孔4的开口中时将会使OR圈被挤紧，从而使孔获得气密密封。
图3所示的顶盖中也表示了通道5，对其端部7和8来说，由于所用模制材料相同，在这些端部改用了两个单向阀19和20，积存在电池单元内的气体在其压力超过某一预定值时便会被排出。显然，如果将两个单向阀中的一个(如阀20)替换为普通的防漏气密封盖，那么所得效果将没有两样。
已注意到通过附加OR圈以及附加一个或两个阀门，那么，适宜于装配在“KAMINA”型蓄电池上的顶盖便可以转化为适宜于“还原”型蓄电池的顶盖。
Claims (3)
1.一种用于“还原”型蓄电池的顶盖，它包括：
一基本上平的表面(6)，它具有适于通过焊接或粘接与蓄电池的电池箱箱体相连的边缘；
多个沿直线依次排列的孔(4)，它们分别与蓄电池中的各电池单元连通；
若干个压在相应孔上的孔盖(11)，其上设有至少一个孔(12，13)，用于使输气通道的相邻段之间实现连通，该输气通道用于输送蓄电池所产生的气体；
至少一个用来输送电池所产生气体的通道(5)，它位于顶盖外表面(6)之下并与蓄电池的每个电池单元连通，其端部朝向顶盖外表面；
其特征在于：上述至少一个通道(5)的至少一端(7，8)由单向阀(19，20)封闭，单向阀使得积存在电池内的气体在达到预定压力时被释放出去，通道另一端设置另一单向阀(19，20)，或者是防漏气密封盖，朝向上述顶盖外部的气密密封由密封元件(17)保证，该密封元件位于各个孔盖顶部以下并插在顶盖上相应的孔口中。
2.如权利要求1所述的蓄电池顶盖，其特征在于：每个电池单元的再充孔(4)中开有用来容纳相应顶盖(11)的顶部扩口(15)，该扩口的底面上具有三角形凸缘(16)，凸缘一侧的截锥形表面可以同孔盖顶部相应形状的表面相配，凸缘的另一侧限定用于OR圈的空腔。
3.如权利要求1或2所述的蓄电池顶盖，其特征在于它由聚丙烯材料制成。
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/EP1994/000008 WO1995019050A1 (en) | 1994-01-04 | 1994-01-04 | Lid for batteries with integrated degassing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1141095A true CN1141095A (zh) | 1997-01-22 |
| CN1072402C CN1072402C (zh) | 2001-10-03 |
Family
ID=8165814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN94194762A Expired - Fee Related CN1072402C (zh) | 1994-01-04 | 1994-01-04 | 蓄电池的顶盖 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US5846671A (zh) |
| EP (1) | EP0737367B1 (zh) |
| JP (1) | JP2806636B2 (zh) |
| CN (1) | CN1072402C (zh) |
| AT (1) | ATE156305T1 (zh) |
| CA (1) | CA2178611C (zh) |
| DE (1) | DE69404677T2 (zh) |
| DK (1) | DK0737367T3 (zh) |
| ES (1) | ES2107181T3 (zh) |
| GR (1) | GR3025077T3 (zh) |
| WO (1) | WO1995019050A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106277A (zh) * | 2018-12-29 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | 电池包 |
| CN111106278A (zh) * | 2018-12-29 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | 电池包 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29921720U1 (de) | 1999-12-10 | 2000-03-09 | CMW Automation GmbH, 65594 Runkel | Entgasungskanal |
| JP3856287B2 (ja) * | 2001-07-02 | 2006-12-13 | エキサイド インダストリーズ リミテッド | 電解液漏れ遅延自動車用バッテリ |
| DE20218730U1 (de) * | 2002-12-03 | 2003-07-03 | Akkumulatorenfabrik Moll GmbH & Co. KG, 96231 Bad Staffelstein | Diagnosesonde für eine Mehrzellen-Batterie |
| ITTO20050246A1 (it) * | 2005-04-13 | 2006-10-14 | Exide Italia S R L | Coperchio per batterie e batteria includente tale coperchio |
| KR100844601B1 (ko) * | 2006-11-07 | 2008-07-07 | 세방전지주식회사 | 배터리 케이스 커버 |
| WO2010120263A1 (en) | 2009-04-16 | 2010-10-21 | Utc Fire & Security Corporation | Battery fire prevention device |
| LU91662B1 (en) | 2010-03-11 | 2011-09-12 | Accumalux S A | Lid for a VRLA battery |
| DE102017217917A1 (de) | 2017-10-09 | 2019-04-11 | Bayerische Motoren Werke Aktiengesellschaft | Speichereinrichtung zum Speichern von elektrischer Energie für ein Kraftfahrzeug, sowie Verfahren zum Trennen zweier Gehäuseelemente einer solchen Speichereinrichtung |
| KR102689325B1 (ko) * | 2020-01-07 | 2024-07-30 | 주식회사 엘지에너지솔루션 | 이차전지 제조장치 및 이차전지 제조방법 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2151424A (en) * | 1936-10-19 | 1939-03-21 | Ford Motor Co | Vehicle battery construction |
| US4052534A (en) * | 1973-05-03 | 1977-10-04 | General Battery Corporation | Battery vent plug |
| US4613550A (en) * | 1985-08-30 | 1986-09-23 | Gnb Incorporated | Venting system for electric storage batteries |
| DE3729610A1 (de) * | 1987-09-04 | 1989-03-16 | Varta Batterie | Mehrzellige batterie mit in den batteriedeckel integrierter zentraler entgasungsleitung |
| GB9101402D0 (en) * | 1991-01-22 | 1991-03-06 | Lucas Ind Plc | Lid assembly |
| DE9101356U1 (de) * | 1991-02-06 | 1991-05-16 | Moll, Peter J., 8623 Staffelstein | Verschlußstopfen für eine Batterie, insbesondere eine Mehrzellen-Batterie |
| US5422199A (en) * | 1993-12-06 | 1995-06-06 | Gnb Battery Technologies, Inc. | Batteries having improved venting systems |
-
1994
- 1994-01-04 ES ES94904622T patent/ES2107181T3/es not_active Expired - Lifetime
- 1994-01-04 AT AT94904622T patent/ATE156305T1/de not_active IP Right Cessation
- 1994-01-04 JP JP7518288A patent/JP2806636B2/ja not_active Expired - Fee Related
- 1994-01-04 CA CA002178611A patent/CA2178611C/en not_active Expired - Fee Related
- 1994-01-04 DE DE69404677T patent/DE69404677T2/de not_active Expired - Fee Related
- 1994-01-04 US US08/663,192 patent/US5846671A/en not_active Expired - Fee Related
- 1994-01-04 EP EP94904622A patent/EP0737367B1/en not_active Expired - Lifetime
- 1994-01-04 CN CN94194762A patent/CN1072402C/zh not_active Expired - Fee Related
- 1994-01-04 DK DK94904622.1T patent/DK0737367T3/da active
- 1994-01-04 WO PCT/EP1994/000008 patent/WO1995019050A1/en active IP Right Grant
-
1997
- 1997-10-16 GR GR970402717T patent/GR3025077T3/el unknown
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111106277A (zh) * | 2018-12-29 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | 电池包 |
| CN111106278A (zh) * | 2018-12-29 | 2020-05-05 | 宁德时代新能源科技股份有限公司 | 电池包 |
| CN111106277B (zh) * | 2018-12-29 | 2021-05-07 | 宁德时代新能源科技股份有限公司 | 电池包 |
| CN113113707A (zh) * | 2018-12-29 | 2021-07-13 | 宁德时代新能源科技股份有限公司 | 电池包 |
| US11302972B2 (en) | 2018-12-29 | 2022-04-12 | Contemporary Amperex Technology Co., Limited | Battery pack including batteries |
| US11600886B2 (en) | 2018-12-29 | 2023-03-07 | Contemporary Amperex Technology Co., Limited | Battery pack |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09506736A (ja) | 1997-06-30 |
| CN1072402C (zh) | 2001-10-03 |
| GR3025077T3 (en) | 1998-01-30 |
| DE69404677D1 (de) | 1997-09-04 |
| JP2806636B2 (ja) | 1998-09-30 |
| ATE156305T1 (de) | 1997-08-15 |
| DE69404677T2 (de) | 1998-03-12 |
| WO1995019050A1 (en) | 1995-07-13 |
| ES2107181T3 (es) | 1997-11-16 |
| EP0737367B1 (en) | 1997-07-30 |
| US5846671A (en) | 1998-12-08 |
| DK0737367T3 (da) | 1998-03-02 |
| CA2178611A1 (en) | 1995-07-13 |
| EP0737367A1 (en) | 1996-10-16 |
| CA2178611C (en) | 2000-03-28 |
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