CN104577219B - 磁控电瓶 - Google Patents

磁控电瓶 Download PDF

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CN104577219B
CN104577219B CN201410800489.0A CN201410800489A CN104577219B CN 104577219 B CN104577219 B CN 104577219B CN 201410800489 A CN201410800489 A CN 201410800489A CN 104577219 B CN104577219 B CN 104577219B
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邓秋香
黄莹
王丽
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JIANGSU XINDA COMMUNICATION TECHNOLOGY Co.,Ltd.
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ANXI COUNTY TAOZHOU TOWNSHIP TONGSHENG TEA PROFESSIONAL COOPERATIVES
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    • 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
    • H01M10/12Construction or manufacture
    • 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
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

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  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filling, Topping-Up Batteries (AREA)
  • Secondary Cells (AREA)

Abstract

本发明涉及一种磁控电瓶,本磁控电瓶包括有壳体和电池组;在所述电池组的顶部内壁上,固定有轴线与电池组顶部垂直的套筒;在所述套筒内填充有气体和电解液;在所述套筒的轴线上安装有密封导管;所述密封导管贯穿所述电池组且该密封导管的顶端和底端分别固定在电池组的顶部和底部;在所述密封导管的内部铺设有控制充、放电电路通断的常开开关;在所述密封导管上滑动套设有浮力活塞;所述浮力活塞上嵌有强磁片;该磁控电瓶能够实时测定电瓶内部的化学反应情况,在过度充、放电时能够自动断电以保护电瓶。

Description

磁控电瓶
技术领域
本发明涉及一种电动车的配件,特别的,是一种电瓶。
背景技术
随着人们对环保问题的日益关注,电动车逐渐取代摩托车成为人们短途出行的主要交通工具之一;电瓶作为电动车的动力源,是衡量电动车质量主要指标之一;电瓶的好坏直接决定了电动车的马力是否强劲;铅酸蓄电池以其低廉的价格、简单的工艺等优点成为电动车选择主要的动力源之一;但是铅酸蓄电池也有其自身的不足,铅酸蓄电池如果过充电,容易出现内压增大,气体外溢,电解液减少,使电池内部的活性物质脱落;长期过放电会使电池内部的硫酸铅结晶,极板硫化,降低电池的品质;综上,铅酸蓄电池需要在使用过程中注意充、放电时间,使用者需要过多的关注和保养才能时铅酸蓄电池拥有较长的使用寿命,这给人们的正常使用带来很大不便。
发明内容
针对上述问题,本发明提供一种磁控电瓶,该磁控电瓶能够实时测定电瓶内部的化学反应情况,在过度充、放电时能够自动断电以保护电瓶。
为解决上述问题,本发明所采用的技术方案是:本磁控电瓶包括有壳体和电池组;所述电池组通过安装在所述壳体内壁的压脚固定在所述壳体的内部;所述电池组包括有极板和电解液;在所述电池组的顶部内壁上,固定有轴线与电池组顶部垂直的套筒;在所述套筒内填充有气体和电解液,所述套筒内的电解液与所述电池组内的电解液通过套筒底端的开口连通;在所述套筒的轴线上安装有密封导管;所述密封导管贯穿所述电池组且该密封导管的顶端和底端分别固定在电池组的顶部和底部;在所述密封导管的内部铺设有控制充、放电电路通断的常开开关;自然状态下,所述常开开关的两个触片保持平行且分离,所述触片由弹性铁磁性材料制成;在所述密封导管上滑动套设有浮力活塞;所述浮力活塞上嵌有强磁片。
本发明的有益效果是:当电瓶放电时,电解液中的硫酸被消耗生成水和硫酸铅,此时电解液的浓度降低;由于所述套筒内气体内电解液密封在所述套筒内,气体总量不会变化;随着电解液浓度的降低,气体压强减小,气体体积变大,因此套筒内的电解液液面下降;当电瓶充电时,极板上的硫化物进入电解液生成硫酸;此时电解液浓度升高,电瓶内部的压强增大,所述套筒内的气体被压缩,因此套筒内的电解液液面上升;所述浮力活塞随着套筒内电解液的液面上下浮动;当所述浮力活塞靠近所述常开开关时,两个所述触片被浮力活塞上的强磁片吸引并粘合在一起,所述触片发生弹性形变,此时电瓶的充、放电电路保持接通;当浮力活塞远离所述常开开关时,所述触片恢复弹性形变并分离,此时电瓶的充、放电电路断开。
在生产时根据电瓶的电量注入特定体积的气体,当电瓶过充电时,所述套筒内的电解液液面上升过大,使得液面处的浮力活塞高于常开开关,此时电路断开,防止电瓶过充电;当电瓶过放电时,所述套筒内的电解液液面下降过大,使得液面处的浮力活塞低于常开开关,此时电路断开,防止电瓶过放电。
作为优选,填充在所述套筒内的气体为稀有气体;有效防止气体与电解液发生反应。
作为优选,在所述密封导管的管壁上开设有与所述密封导管轴线平行的限位槽,在所述浮力活塞上开设有与所述限位槽匹配的限位扣;该结构保证浮力活塞仅随液面沿密封导管的管壁上下移动且不会转动,有效防止浮力活塞上的强磁片错位,以便于防止强磁片对触片的磁吸力不足。
作为优选,所述套筒的筒径为0.8-1.5cm;该尺寸便于加工生产,同时随电解液浓度的变化,套筒内的液面变化明显。
作为优选,所述套筒的底端距电池组的底部为0.5-1.0cm;这个距离有效防止电瓶在大功率充电时产生的微量气体进入所述套筒内,进而影响本磁控电瓶的正常使用。
附图说明
图1为本磁控电瓶一个实施例的结构示意图。
图2为图1所示实施例中套筒的放大结构示意图。
具体实施方式
实施例
在图1、图2所示的实施例中,本磁控电瓶包括有壳体1和电池组2;所述电池组2通过安装在所述壳体1内壁的压脚固定在所述壳体1的内部;所述电池组2包括有极板和电解液;在所述电池组2的顶部内壁上,固定有轴线与电池组2顶部垂直的套筒3,所述套筒3的筒径为0.8-1.5cm;在所述套筒3内填充有稀有气体和电解液,所述稀有气体不会与电解液发生反应;所述套筒3内的电解液与所述电池组2内的电解液通过套筒3底端的开口连通,所述套筒3的底端的开口距电池组2的底部为0.5-1.0cm;在所述套筒3的轴线上安装有密封导管4;所述密封导管4贯穿所述电池组2且该密封导管4的顶端和底端分别固定在电池组2的顶部和底部;如图2所示,在所述密封导管4的内部铺设有控制充、放电电路通断的常开开关41;自然状态下,所述常开开关41的两个触片保持平行且分离,所述触片由弹性铁磁性材料制成;在所述密封导管4上滑动套设有浮力活塞5;在所述密封导管4的管壁上开设有与所述密封导管4轴线平行的限位槽,在所述浮力活塞5上开设有与所述限位槽匹配的限位扣,该结构有效防止浮力活塞5在上下浮动时发生旋转;由于所述限位槽和限位扣尺寸较小且有多种方式能够实现,因此图2中没有标出;所述浮力活塞5上嵌有强磁片51。
由于所述套筒3的筒径较小且套筒较长,当电解液浓度发生变化时,套筒内的液面变化明显,从而提高了本磁控电瓶的灵敏性;此外,所述套筒的底端开口距离电池组底部较近;由于电池组在充电过程中,如充电器不匹配、功率过大时容易在电解液内产生微量气泡,气泡将快速飘动到电池组顶部,该结构有效气泡进入所述套筒3,进一步防止用户在不规范操作时对本磁控电瓶的损伤。
当电瓶放电时,电解液中的硫酸被消耗生成水和硫酸铅,此时电解液的浓度降低;由于所述套筒3内气体内电解液密封在所述套筒3内,气体总量不会变化;随着电解液浓度的降低,气体压强减小,气体体积变大,因此套筒3内的电解液液面下降;当电瓶充电时,极板上的硫化物进入电解液生成硫酸;此时电解液浓度升高,电瓶内部的压强增大,所述套筒3内的气体被压缩,因此套筒3内的电解液液面上升;所述浮力活塞5随着套筒3内电解液的液面上下浮动;当所述浮力活塞5靠近所述常开开关41时,两个所述触片被浮力活塞5上的强磁片51吸引并粘合在一起,所述触片发生弹性形变,此时电瓶的充、放电电路保持接通;当浮力活塞5远离所述常开开关41时,所述触片恢复弹性形变并分离,此时电瓶的充、放电电路断开。
在生产时根据电瓶的电量注入特定体积的气体,使得浮力活塞5在正常电量时位于所述常开开关处;当电瓶过充电时,所述套筒3内的电解液液面上升过大,使得液面处的浮力活塞5高于常开开关41,如图2虚线部分所示,此时电路断开,防止电瓶过充电;当电瓶过放电时,所述套筒3内的电解液液面下降过大,使得液面处的浮力活塞5低于常开开关41,此时电路断开,防止电瓶过放电。
本发明结构简单、生产成本低,并且能够有效的防止电瓶过充电、过放电。
以上所述仅为本发明的较佳实施例,并不用以限制本发明,凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (3)

1.一种磁控电瓶,本磁控电瓶包括有壳体(1)和电池组(2);所述电池组(2)通过安装在所述壳体(1)内壁的压脚固定在所述壳体(1)的内部;所述电池组(2)包括有极板和电解液;在所述电池组(2)的顶部内壁上,固定有轴线与电池组(2)顶部垂直的套筒(3);在所述套筒(3)内填充有气体和电解液,所述套筒(3)内的电解液与所述电池组(2)内的电解液通过套筒(3)底端的开口连通;在所述套筒(3)的轴线上安装有密封导管(4);所述密封导管(4)贯穿所述电池组(2)且该密封导管(4)的顶端和底端分别固定在电池组(2)的顶部和底部;在所述密封导管(4)的内部铺设有控制充、放电电路通断的常开开关(41);自然状态下,所述常开开关(41)的两个触片保持平行且分离,所述触片由弹性铁磁性材料制成;在所述密封导管(4)上滑动套设有浮力活塞(5);所述浮力活塞(5)上嵌有强磁片(51); 其特征在于:填充在所述套筒(3)内的气体为稀有气体;在所述密封导管(4)的管壁上开设有与所述密封导管(4)轴线平行的限位槽,在所述浮力活塞(5)上开设有与所述限位槽匹配的限位扣。
2.根据权利要求1所述的磁控电瓶,其特征在于:所述套筒(3)的筒径为0.8-1.5cm。
3.根据权利要求2所述的磁控电瓶,其特征在于:所述套筒(3)的底端距电池组(2)的底部为0.5-1.0cm。
CN201410800489.0A 2014-12-22 2014-12-22 磁控电瓶 Active CN104577219B (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86100644A (zh) * 1986-01-31 1987-01-31 福州市能源利用研究所 铅蓄电池组充、放电自动控制装置
US4782279A (en) * 1986-02-04 1988-11-01 Sab Nife Ab Method and arrangement for charging a sealed, secondary electrochemical power source
CN102195066A (zh) * 2010-03-08 2011-09-21 种志林 秀派儿蓄电池
CN203406353U (zh) * 2013-08-01 2014-01-22 和敬动力系统科技(上海)有限公司 蓄电池电解液循环和气体净化系统

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN86100644A (zh) * 1986-01-31 1987-01-31 福州市能源利用研究所 铅蓄电池组充、放电自动控制装置
US4782279A (en) * 1986-02-04 1988-11-01 Sab Nife Ab Method and arrangement for charging a sealed, secondary electrochemical power source
CN102195066A (zh) * 2010-03-08 2011-09-21 种志林 秀派儿蓄电池
CN203406353U (zh) * 2013-08-01 2014-01-22 和敬动力系统科技(上海)有限公司 蓄电池电解液循环和气体净化系统

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