CN202948989U - 一种具有大回流空间排气结构的铅酸蓄电池盖 - Google Patents

一种具有大回流空间排气结构的铅酸蓄电池盖 Download PDF

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CN202948989U
CN202948989U CN2012203996133U CN201220399613U CN202948989U CN 202948989 U CN202948989 U CN 202948989U CN 2012203996133 U CN2012203996133 U CN 2012203996133U CN 201220399613 U CN201220399613 U CN 201220399613U CN 202948989 U CN202948989 U CN 202948989U
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exhaust
lead
cap
acid battery
backflow
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刘世忠
王涛
刘娟
肖峻涛
钟如荣
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CAMEL GROUP HUAZHONG BATTERY Co
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CAMEL GROUP HUAZHONG BATTERY Co
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Priority to PCT/CN2013/079355 priority patent/WO2014026520A1/zh
Priority to EP13829634.8A priority patent/EP2887421A4/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30Arrangements for facilitating escape of gases
    • H01M50/35Gas exhaust passages comprising elongated, tortuous or labyrinth-shaped exhaust passages
    • H01M50/367Internal gas exhaust passages forming part of the battery cover or case; Double cover vent systems
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/06Lead-acid accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/102Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/112Monobloc comprising multiple compartments
    • H01M50/114Monobloc comprising multiple compartments specially adapted for lead-acid cells
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

本实用新型的名称为一种具有大回流空间排气结构的铅酸蓄电池盖。属于蓄电池技术领域。它主要是解决现有铅酸蓄电池回流不畅、出气带酸的问题。它的主要特征是:由大盖和排气盖组成,大盖和排气盖对接面热封,大盖、排气盖对应蓄电池槽体单元形成单格;所述的各单格内设有主排气回流孔和辅排气回流孔,该主排气回流孔和辅排气回流孔之间的距离为迷宫挡墙厚度的1~3倍,并位于单格内靠近端子部位的通道起始端;从主排气回流孔和辅排气回流孔位置向远离端子一侧引出一个主挡墙,将各单格分割为内通道和外通道。本实用新型具有大回流空间设计、排气通畅和酸液回流迅速,主要用于具有较强出气和回流能力的铅酸蓄电池盖。

Description

一种具有大回流空间排气结构的铅酸蓄电池盖
技术领域
本实用新型属于蓄电池技术领域,具体涉及一种机动车蓄电池部件,特别是一种具有大的回流空间的铅酸蓄电池盖。。 
背景技术
铅酸蓄电池一般由多个单格电池组成,各单格电池中装有硫酸电解液,使用过程中要求蓄电池排气通畅,并且酸液回流迅速。为此,蓄电池盖设计有出气孔和回流孔,并周围要设置迷宫、挡酸板等结构以减少电解液的流失。在以往设计中,灌酸孔3、排气孔1、回流孔3及挡墙设置不合理,往往占据很大空间,或者设计狭长的通道2,使铅酸蓄电池回流不畅、出气带酸。为此需要设计一种合理的结构,科学安排几个孔和挡墙,为酸液的回流提供通畅的通道。 
发明内容
本实用新型用于克服已有技术的缺陷而提供一种具有大回流空间设计、排气通畅和酸液回流迅速的铅酸蓄电池盖。 
本实用新型的技术解决方案是:一种具有大回流空间排气结构的铅酸蓄电池盖,由大盖和排气盖组成,大盖和排气盖对接面热封,大盖、排气盖对应蓄电池槽体单元形成单格,其特征是:所述的各单格内设有主排气回流孔和辅排气回流孔,该主排气回流孔和辅排气回流孔之间的距离为迷宫挡墙厚度的1~3倍,并位于单格内靠近端子部位的通道起始端;从主排气回流孔和辅排气回流孔位置向远离端子一侧引出一个主挡墙,将各单格分割为内通道和外通道。 
本实用新型技术解决方案中所述的内通道和外通道的底面为便于酸液回流的倾斜面。 
本实用新型技术解决方案中所述的内通道的长宽比大于1:1。 
本实用新型技术解决方案中所述的辅排气回流孔的直径为2~5mm。 
本实用新型技术解决方案中所述的单格中处于两侧的边缘单格的主排气回流孔和辅排气回流孔之间的距离为迷宫挡墙厚度的1倍。 
本实用新型针对现有蓄电池迷宫设计不合理的缺陷做了改进,在同一单格内采用主排气回流孔和辅排气回流孔,并使主排气回流孔和辅排气回流孔之间的距离为迷宫挡墙厚度的1~3倍,且位于单格内靠近端子部位的通道起始端,另外,从主排气回流孔和辅排气回流孔位置向远离端子一侧引出一个主挡墙,将各单格分割为内通道和外通道,内通道和外通道的底面为便于酸液回流的倾斜面,经此改进,将主排气回流孔、辅排气回流孔双孔紧凑安排在一起,并处于通道的起点,内通道和外通道形成大回流空间,底面设计为倾斜面,气体自双排气孔出来后,有一个宽阔的通道,而非狭窄的通道,也没有孔一类结构阻挡,使酸液有足够容纳空间,便于酸液回流至主排气回流孔、辅排气回流孔。紧凑的双孔使得电池在充电过程中,排气不夹带酸液,回流不影响出气,提高电池安全性。本实用新型具有排气通畅和酸液回流迅速的特点。本实用新型主要用于具有较强出气和回流能力的铅酸蓄电池盖。
附图说明
图1为现有铅酸蓄电池盖的结构示意图。 
图2为本实用新型的结构示意图。 
具体实施方式
如图2所示。本实用新型一种具有大回流空间排气结构的铅酸蓄电池盖由大盖11和排气盖12组成。大盖11和排气盖12对接面热封,大盖11、排气盖12对应蓄电池槽体单元形成4个中间单格及2个边缘单格,中间单格及边缘单格内设有主排气回流孔7和辅排气回流孔9。主排气回流孔7和辅排气回流孔9中,主排气回流孔7为大的圆形排气回流孔,辅排气回流孔9为小的圆形排气回流孔。从主排气回流孔7和辅排气回流孔9位置向远离端子一侧引出一个主挡墙5,将各单格分割为内通道4和外通道6。内通道4和外通道6的底面设计倾斜面,便于酸液回流。主排气回流孔7位于内通道4、外通道6的起始端, 辅排气回流孔9位于内通道4、外通道6上,中间单格内主排气回流孔与辅排气回流孔之间的距离约为迷宫挡墙厚度的3倍,边缘单格内主排气回流孔7与辅排气回流孔9之间的通道8很短,该通道8的距离为迷宫挡墙厚度的1倍。内通道4的长宽比大于1:1,(补充作用及优点效果等)。辅排气回流孔9的直径为2~5mm,(补充作用及优点效果等)。紧凑的双孔使得电池在充电过程中,排气不夹带酸液,回流不影响出气,提高电池安全性。 

Claims (5)

1.一种具有大回流空间排气结构的铅酸蓄电池盖,由大盖和排气盖组成,大盖和排气盖对接面热封,大盖、排气盖对应蓄电池槽体单元形成单格,其特征是:所述的各单格内设有主排气回流孔和辅排气回流孔,该主排气回流孔和辅排气回流孔之间的距离为迷宫挡墙厚度的1~3倍,并位于单格内靠近端子部位的通道起始端;从主排气回流孔和辅排气回流孔位置向远离端子一侧引出一个主挡墙,将各单格分割为内通道和外通道。
2.根据权利要求1所述的一种具有大回流空间排气结构的铅酸蓄电池盖,其特征是:所述的内通道和外通道的底面为便于酸液回流的倾斜面。
3.根据权利要求1或2所述的一种具有大回流空间排气结构的铅酸蓄电池盖,其特征是:所述的内通道的长宽比大于1:1。
4.根据权利要求1或2所述的一种具有大回流空间排气结构的铅酸蓄电池盖,其特征是:所述的辅排气回流孔的直径为2~5mm。
5.根据权利要求1或2所述的一种具有大回流空间排气结构的铅酸蓄电池盖,其特征是:所述的单格中处于两侧的边缘单格的主排气回流孔和辅排气回流孔之间的距离为迷宫挡墙厚度的1倍。
CN2012203996133U 2012-08-14 2012-08-14 一种具有大回流空间排气结构的铅酸蓄电池盖 Expired - Lifetime CN202948989U (zh)

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CN2012203996133U CN202948989U (zh) 2012-08-14 2012-08-14 一种具有大回流空间排气结构的铅酸蓄电池盖
PCT/CN2013/079355 WO2014026520A1 (zh) 2012-08-14 2013-07-15 一种具有大回流空间排气结构的铅酸蓄电池盖
EP13829634.8A EP2887421A4 (en) 2012-08-14 2013-07-15 LEAD-ACID BATTERY COVER HAVING AN EXHAUST STRUCTURE WITH A LARGE SIZE DELIVERY SPACE

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014026520A1 (zh) * 2012-08-14 2014-02-20 骆驼集团华中蓄电池有限公司 一种具有大回流空间排气结构的铅酸蓄电池盖
CN112259843A (zh) * 2020-10-19 2021-01-22 风帆有限责任公司 蓄电池盖及蓄电池

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CN201153132Y (zh) * 2007-10-31 2008-11-19 风帆股份有限公司 一种排气通畅的蓄电池盖
CN202948989U (zh) * 2012-08-14 2013-05-22 骆驼集团华中蓄电池有限公司 一种具有大回流空间排气结构的铅酸蓄电池盖
CN202948985U (zh) * 2012-08-14 2013-05-22 骆驼集团华中蓄电池有限公司 一种具有紧凑双孔排气结构的铅酸蓄电池盖

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2014026520A1 (zh) * 2012-08-14 2014-02-20 骆驼集团华中蓄电池有限公司 一种具有大回流空间排气结构的铅酸蓄电池盖
CN112259843A (zh) * 2020-10-19 2021-01-22 风帆有限责任公司 蓄电池盖及蓄电池

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EP2887421A4 (en) 2016-03-16
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