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KR100650998B1 - Main cover of lead acid battery - Google Patents

Main cover of lead acid battery Download PDF

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Publication number
KR100650998B1
KR100650998B1 KR1020050076057A KR20050076057A KR100650998B1 KR 100650998 B1 KR100650998 B1 KR 100650998B1 KR 1020050076057 A KR1020050076057 A KR 1020050076057A KR 20050076057 A KR20050076057 A KR 20050076057A KR 100650998 B1 KR100650998 B1 KR 100650998B1
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acid battery
lead acid
main cover
cap
vent
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Korean (ko)
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이상석
홍주원
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주식회사 아트라스비엑스
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/52—Removing gases inside the secondary cell, e.g. by absorption
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Gas Exhaust Devices For Batteries (AREA)

Abstract

본 발명은 납축전지용 메인커버에 관한 것으로, 특히, 각 전해액주입구(20)에 설치한 벤트캡(4)의 각 틈새로 올라오는 가스를 벤트패스(21)를 통하여 가스배출공(22)으로 배출시키도록 구성 된 메인카버에 관한 것이다. 이러한 종래의 메인커버(2)는 납축전지가 심하게 기울어지거나 크게 흔들리는 경우 컨테이너(1)에 담겨진 전해액이 외부로 누출되게 하며 외부화염이 가스배출공(22)을 통해 벤트패스(21)로 전파되어 납축전지내의 전기화학적 반응으로 생성되는 수소와 반응하여 납축전지를 폭발시키는 문제점에 대한 방지기능이 없었던 바, 본 발명은 메인커버의 가스배출공(22)에 결합부(23)를 형성시키고, 이에, 방염기(防炎器; Flame Arrestor)(6)가 장착되어 있는 캡(5)을 설치하여, 납축전지의 취급 중 과도한 기울기나 사용 중 과도한 조건에서 발생될 수 있는 전해액 누액을 방지할 수 있게 하고, 외부 화염이 납축전지 내부로 전파되어 발생되는 폭발을 방지할 수 있게 한 것임.The present invention relates to a main cover for a lead acid battery, and in particular, the gas that rises in each gap of the vent cap 4 installed in each electrolyte inlet 20 to the gas discharge hole 22 through the vent pass 21. The main cover is configured to be discharged. The main cover 2 of the related art causes the electrolyte contained in the container 1 to leak to the outside when the lead acid battery is severely tilted or greatly shaken, and the external flame is propagated to the vent path 21 through the gas discharge hole 22. The present invention did not have a function of preventing the problem of exploding the lead acid battery by reacting with hydrogen generated by the electrochemical reaction in the lead acid battery, and the present invention forms a coupling portion 23 in the gas discharge hole 22 of the main cover. In addition, by installing a cap (5) equipped with a flame arrester (6), it is possible to prevent the electrolyte leakage from the excessive slope during handling of the lead acid battery or excessive conditions during use. And, it is to prevent explosion caused by external flame propagating inside lead acid battery.

Description

납축전지의 메인커버{Main cover of a lead-acid battery}Main cover of a lead-acid battery

도 1 은 종래의 납축전지의 단면도 1 is a cross-sectional view of a conventional lead acid battery

도 2 는 도 1 에 도시된 종래의 납축전지를 개량한 본 발명의 납축지의 메인커버 발췌 단면도2 is a cross-sectional view of the main cover of the lead acid battery of the present invention, which is an improvement of the conventional lead acid battery shown in FIG.

<도면의 주요 부분에 대한 부호의 설명><Explanation of symbols for main parts of the drawings>

1. 컨테이너 1. Container

10. 셀   10. Cell

2. 메인커버 2. Main cover

20. 전해액주입구 21. 벤트패스 22. 통공   20. electrolyte inlet 21. vent pass 22. through hole

23. 가스배출공 24. 결합부 25. 걸림홈   23. Gas exhaust hole 24. Coupling part 25. Locking groove

4. 벤트캡4. Vent cap

41. 중공부 42. 벤트홀   41.Hollow part 42.Benthole

43. 저지턱   43. Judge

5. 캡5. Cap

51. 장착부 52. 배기구 53. 걸림턱   51. Mounting part 52. Exhaust port 53. Locking jaw

6. 방염기6. Flameproofing

본 발명은 납축전지용 메인커버에 관한 것으로, 특히, 각 전해액주입구에 설치한 벤트캡의 벤트홀로 올라오는 가스를 벤트패스를 통하여 가스배출공으로 배출시키도록 구성 된 메인커버에 관한 것이다. The present invention relates to a main cover for a lead acid battery, and more particularly, to a main cover configured to discharge gas, which comes up into a vent hole of a vent cap installed at each electrolyte inlet, through a vent pass to a gas discharge hole.

일반적으로 납축전지는 첨부된 도면 도 1 에 도시된 바와 같이, 컨테이너(1)와 메인커버(2)로 구성되며, 컨테이너(1)는 다수의 셀(10)로 구획되고 각 셀(10)의 내부에 전극과 전해액이 담겨진다. 그리고, 메인커버(2)는 컨테이너(1)의 상부에 설치되고, 컨테이너(1)의 내부로 전해액을 주입시킬 수 있게 하는 전해액주입구(20)와; 내부에서 발생되는 수소가스를 배출하는 벤트패스(21)와 그 출측의 가스배출공(23)을 구비한다. 각 전해액주입구(20)에는 벤트패스(21)로 통하는 통공(22)이 설치되며 벤트캡(4)으로 막아진다.In general, a lead acid battery includes a container 1 and a main cover 2, as shown in FIG. 1. The container 1 is divided into a plurality of cells 10 and each of the cells 10. Electrode and electrolyte are contained inside. And, the main cover 2 is installed on the upper portion of the container 1, the electrolyte inlet 20 to inject the electrolyte into the interior of the container (1); A vent path 21 for discharging hydrogen gas generated therein and a gas discharge hole 23 on the outlet side thereof are provided. Each electrolyte inlet 20 is provided with a through-hole 22 through the vent pass 21 is blocked by a vent cap (4).

벤트캡(4)은 셀 내부로부터 발생되는 가스를 납축전지 외부로 배출시킬 수 있게 하는 벤트홀(42)을 가지며, 벤트홀(42) 내측의 중공부(41)에는 저지턱(43)을 형성시켜 전해액의 누출을 방지하도록 구성되어 있다. The vent cap 4 has a vent hole 42 through which gas generated from the inside of the cell can be discharged to the outside of the lead acid battery, and a blocking jaw 43 is formed in the hollow part 41 inside the vent hole 42. It is configured to prevent leakage of the electrolyte solution.

그러나 이와 같이 구성된 종래의 메인카바는 납축전지가 심하게 기울어지거나 크게 흔들리는 경우 컨테이너(1)에 담겨진 전해액이 벤트캡(4)의 중공부(41) 내부로 유입되고, 중공부(41)내로 유입된 전해액은, 비록 저지턱(43)이 형성되어 있더라도, 벤트홀(42)을 걸쳐 메인카버의 벤트패스(21)를 지나 가스배출공(23)을 통 해 외부로 누출되는 문제점이 있다. 또한, 외부에서 발생되는 화염이 아무런 저항 없이 가스배출공(23)을 거쳐 벤트패스(21)를 통해 납축전지 내부의 전기화학적 반응으로 생성된 수소가스와 반응하여 폭발이 발생 되는 문제점이 있다.However, in the conventional main cover configured as described above, when the lead acid battery is severely tilted or shakes greatly, the electrolyte solution contained in the container 1 flows into the hollow part 41 of the vent cap 4, and is introduced into the hollow part 41. Even though the stopper 43 is formed, the electrolyte leaks to the outside through the gas discharge hole 23 through the vent pass 21 of the main cover over the vent hole 42. In addition, there is a problem that the flame generated from the outside reacts with the hydrogen gas generated by the electrochemical reaction inside the lead acid battery through the vent pass 21 through the gas discharge hole 23 without any resistance, there is a problem that an explosion occurs.

본 발명은 상기와 같은 종래의 문제점을 해결하기 위한 것으로, 본 발명은 메인카바의 가스배출공의 구조를 개선하여 가스배출공에 결합부를 형성시키고, 이 결합부에, 방염기(防炎器; Flame Arrestor)가 장착되어 있는 캡을 설치하여, 납축전지의 취급 중 과도한 기울기나 사용 중 과도한 조건에서 발생될 수 있는 전해액 누액을 방지할 수 있게 하고, 외부 화염이 납축전지 내부로 전파되어 발생되는 폭발을 방지할 수 있게 하였는 바, 이와 같은 본 발명을 첨부된 도면에 의하여 설명하면 다음과 같다.The present invention is to solve the conventional problems as described above, the present invention improves the structure of the gas discharge hole of the main cover to form a coupling portion in the gas discharge hole, the coupling portion, flame retardant (防 炎 器; By installing a cap equipped with a Flame Arrestor, it is possible to prevent electrolyte leakage which may occur during excessive tilting during handling of lead acid batteries or excessive conditions during use, and an explosion caused by external flame propagating inside the lead acid battery. The present invention will be described with reference to the accompanying drawings.

컨테이너(1)의 상부에 설치되고, 컨테이너(1)의 내부로 전해액을 주입시킬 수 있게 하는 전해액주입구(20)와 내부에서 발생되는 수소가스를 배출하는 벤트패스(21)와 그 출측의 가스배출공(23)을 구비하고, 전해액주입구(20)에 벤트캡(4)이 설치되고, 벤트캡(4)은 셀 내부로부터 발생되는 가스를 납축전지 외부로 배출시킬 수 있게 하는 벤트홀(42)과 벤트홀(42)의 내부에 설치된 저지턱(43)으로 구성된 메인 커버(2)에 있어서, 본 발명은, 가스배출공(23)의 단부에 결합부(24)를 형성시키 며, 결합부(24)에 캡(5)을 설치하되, 캡(5)은 방염기(防炎器; Flame arrester)(6)를 포함하는 것을 특징으로 한다.It is installed on the upper part of the container 1, the electrolyte inlet 20 for allowing the electrolyte to be injected into the container 1, the vent pass 21 for discharging hydrogen gas generated therein and the gas discharge at the exit side thereof. It is provided with a ball 23, the vent cap 4 is provided in the electrolyte inlet 20, the vent cap 4 is a vent hole 42 to discharge the gas generated from the inside of the cell to the outside of the lead-acid battery In the main cover (2) consisting of a stopper (43) provided in the interior of the vent hole (42), the present invention forms a coupling portion 24 at the end of the gas discharge hole (23), The cap 5 is installed at the 24, but the cap 5 is characterized by including a flame arrester 6.

캡(5)은 결합부(24)에 완고하게 결합될 수 있는 결합수단을 가져야 하는 바, 이러한 결합수단의 실시예로 첨부된 도면에서는 결합부(24)에 형성시킨 걸림홈(25)과 캡(5)의 외주에 형성시킨 걸림턱(53)으로 된 결합수단을 제공한다.Cap 5 should have a coupling means that can be rigidly coupled to the coupling portion 24, the locking groove 25 and the cap formed in the coupling portion 24 in the accompanying drawings as an embodiment of such a coupling means It provides a coupling means of the locking step (53) formed on the outer periphery of (5).

캡(5)은 배기구(52)를 필수 요소로 하는 바, 본 발명은, 이러한 캡(5)에 방염기(6)를 설치함에 있어서, 캡(5)의 내측 배기구(52) 주연에 장착부(51)를 형성시키고, 장착부(51)에 방염기(6)를 부착하게 하는 구성을 제공한다.The cap 5 has an exhaust port 52 as an essential element. In the present invention, in the installation of the flame retardant 6 to the cap 5, the mounting portion (around the periphery of the inner exhaust port 52 of the cap 5) ( 51 to provide a configuration for attaching the flame retardant 6 to the mounting portion 51.

이와 같이 구성되는 본 발명은 납축전지의 심한 기울어짐이나 흔들림이 발생되는 경우 전해액이 벤트캡(4)의 중공부(41)와 벤트홀(42)을 지나 메인카바의 벤트패스(21)를 걸쳐 가스배출공(23)으로 유입된다 할지라도, 가스배출공(23)에 다다른 전해액은 캡(5)의 방염기(6)에 의해 저지된다. 따라서, 본 발명은 전해액의 누출 염려를 해소시킬 수 있게 된다. 그리고, 외부에 화염이 발생하여 외부 화염이 캡(5)의 배기구(52)로 유입되더라도, 본 발명은 방염기(6)가 화염을 차단하여 화염이 메인카바의 벤트패스(21)로 전파되는 것을 저지한다. According to the present invention configured as described above, when severe inclination or shaking of the lead acid battery occurs, the electrolyte passes through the hollow part 41 and the vent hole 42 of the vent cap 4 and extends through the vent path 21 of the main cover. Even if it flows into the gas discharge hole 23, the electrolyte solution which reaches the gas discharge hole 23 is blocked by the flameproof machine 6 of the cap 5. Therefore, the present invention can solve the fear of leakage of the electrolyte solution. And, even if the flame is generated outside the external flame flows into the exhaust port 52 of the cap (5), the present invention is that the flame spreader 6 blocks the flame so that the flame propagates to the vent pass 21 of the main cover To stop it.

본 발명은 전술한 실시 예에 한정되지 않고 본 발명의 기술사상이 허용하는 범위 내에서 다양하게 변형하여 실시할 수가 있다. The present invention is not limited to the above embodiments, and various modifications can be made within the scope allowed by the technical idea of the present invention.

이상에서와 같이, 본 발명에 따르면 메인카바의 벤트패스(21) 내로 많은 전 해액이 유입되더라도 전해액 누액을 막을 수 있으며, 외부 화염이 메인카바의 벤트패스로 유입되는 것을 차단하여 납축전지의 폭발을 완전히 방지할 수 있는 효과가 있는 것이다.As described above, according to the present invention, even if a large amount of electrolyte is introduced into the vent path 21 of the main cover, electrolyte leakage can be prevented, and an external flame is prevented from entering the vent path of the main cover to prevent the explosion of the lead acid battery. There is an effect that can be completely prevented.

Claims (3)

컨테이너(1)의 상부에 설치되고, 컨테이너(1)의 내부로 전해액을 주입시킬 수 있게 하는 전해액주입구(20)와 내부에서 발생되는 수소가스를 배출하는 벤트패스(21)와 그 출측의 가스배출공(23)을 구비하고, 전해액주입구(20)에 벤트캡(4)이 설치된 것에 있어서, 가스배출공(23)의 단부에 결합부(24)를 형성시키며, 결합부(24)에 캡(5)이 설치되고, 캡(5)은 방염기(防炎器; Flame arrester)(6)를 포함하는 것을 특징으로 하는 납축전지의 메인 커버.It is installed on the upper part of the container 1, the electrolyte inlet 20 for allowing the electrolyte to be injected into the container 1, the vent pass 21 for discharging hydrogen gas generated therein and the gas discharge at the exit side thereof. The ball 23 is provided, the vent cap 4 is provided in the electrolyte inlet 20, and the coupling portion 24 is formed at the end of the gas discharge hole 23, and the coupling portion 24 has a cap ( 5) is installed, the cap 5 is the main cover of the lead-acid battery, characterized in that it comprises a flame arrester (防 炎 器). 제1항에 있어서, 방염기(6)는 캡(5)의 배기구(52) 내측 외주연에 형성된 장착부(51)에 설치된 것임을 특징으로 하는 납축전지의 메인 커버.The main cover of a lead-acid battery according to claim 1, wherein the flameproof machine (6) is installed in a mounting portion (51) formed at an inner circumferential edge of the exhaust port (52) of the cap (5). 제1항 또는 제2항에 있어서, 캡(5)은 그 외주에 걸림턱(53)이 형성되고, 결합부(24)는 그 내주에 걸림홈이 형성된 것을 특징으로 하는 납축전지의 메인 커버.The main cover of a lead acid battery according to claim 1 or 2, wherein the cap (5) has a locking jaw (53) formed at its outer circumference and the engaging portion (24) has a locking groove formed at its inner circumference.
KR1020050076057A 2005-08-19 2005-08-19 Main cover of lead acid battery Active KR100650998B1 (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101313396B1 (en) 2011-09-08 2013-10-01 세방전지(주) Flame arrestor device and battery with flame arrestor device
WO2018043889A1 (en) * 2016-08-31 2018-03-08 삼성에스디아이 주식회사 Secondary battery
KR20180113801A (en) * 2017-04-07 2018-10-17 주식회사 엘지화학 Battery pack and vehicle comprising the battery pack
US11962031B2 (en) 2017-10-30 2024-04-16 XSamsung SDI Co., Ltd. Ventilation device for battery and battery comprising the same

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US4463069A (en) 1983-03-24 1984-07-31 General Motors Corporation Battery venting system
US4916034A (en) 1988-09-08 1990-04-10 Globe-Union Inc. Battery vent strip
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101313396B1 (en) 2011-09-08 2013-10-01 세방전지(주) Flame arrestor device and battery with flame arrestor device
WO2018043889A1 (en) * 2016-08-31 2018-03-08 삼성에스디아이 주식회사 Secondary battery
KR20180113801A (en) * 2017-04-07 2018-10-17 주식회사 엘지화학 Battery pack and vehicle comprising the battery pack
KR102256596B1 (en) * 2017-04-07 2021-06-02 주식회사 엘지에너지솔루션 Battery pack and vehicle comprising the battery pack
US11962031B2 (en) 2017-10-30 2024-04-16 XSamsung SDI Co., Ltd. Ventilation device for battery and battery comprising the same

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