TWM395262U - Lithium ferroelectric battery of end cover set - Google Patents

Lithium ferroelectric battery of end cover set Download PDF

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Publication number
TWM395262U
TWM395262U TW99215784U TW99215784U TWM395262U TW M395262 U TWM395262 U TW M395262U TW 99215784 U TW99215784 U TW 99215784U TW 99215784 U TW99215784 U TW 99215784U TW M395262 U TWM395262 U TW M395262U
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TW
Taiwan
Prior art keywords
end cap
iron battery
battery
cap group
lithium iron
Prior art date
Application number
TW99215784U
Other languages
Chinese (zh)
Inventor
Hong-Wen Huang
Original Assignee
Hong-Wen Huang
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hong-Wen Huang filed Critical Hong-Wen Huang
Priority to TW99215784U priority Critical patent/TWM395262U/en
Publication of TWM395262U publication Critical patent/TWM395262U/en

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    • Y02E60/12

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  • Gas Exhaust Devices For Batteries (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Description

M395262 % 五、新型說明: 【新型所屬之技術領域】 本創作係«於㈣池結構,特別是指-_於交通卫具之鐘鐵電池 的端蓋組結構。 【先前技術】 按’鐘電池中_鐵電池因能源轉換效率高、使用壽命長、穩定性高 等特性優勢,故特別適合用作交駐具之動力電池;然,交紅具移動^ #程震動頻繁,且交通工具所裝載之纖電池儲放環境惡劣,遭遇風吹曰曙 雨淋、工作溫度驟變以及意外碰撞之機會極為頻繁,長期使用下難保電池 内部不會因此劣化錢,導致賴電池_力過高而造縣^也因此, 交通工具使用之鐘鐵電池,其安全防護結構之設計上有必要特別小心注意。 例如,TW專利公告第M374997號之高效能啟動電池,係利用一電池 管理系統連接複數並聯電池組,以偵測各電池組是否有過放電、過充、過 熱等情形’藉以避免過充放電造成電池内部壓力過高之潛藏危險。又如, • to專利公告第M36祕號之車用電池裝置,其同樣為避免電池内壓力過 高有聚集氣體產生爆炸之情形發生,因而檢棄傳統硬殼之電池殼體包裝, 而改用具有延展性之軟質練作為賴魏的外包裝,藉錢服電池内壓 力異常之問題產生。 唯,前者之高效能啟動電池,一旦電池管理系統失效,依舊有經鐵電 池爆裂之危險存在。而後者之車用電池裝置,其袋體之紐能力所限自 然也無法百分百顧其_±之安全性I有鑑於此,本創作針對上述裡 鐵電池内壓力過高之問題,提出另一_鐵電池使用之端蓋組改良,以有 3 效改善前述缺失β 【新型内容】 本創作之主要目的係在提供—種賴電狀端蓋組,其可百分百避免 链鐵電池因内部壓力過高所產生 性0 之爆裂情形,以強化鋰鐵電池之使用安全 本1作之另目的係在提供_種鐘鐵電池之端蓋組,其汽壓件結構簡 單、製作成本低,生產效率高’且與龜之組賴速容易。 為達到上述目@纟創作揭露—種經鐵電池之端蓋組,此端蓋組包含 一封板以及至少—祕I其中,封板設在-賴電池之-殼體-端,且 封板上具有至少-穿孔’以供設置·件;驗件具有相對二表面,至少 於其中-表面上設有-環形溝渠’此環形溝渠祕力小於周邊表面承壓 力’藉此’當鋰鐵電池之殼體内壓力超出一預設值時,環形溝渠將率先破 裂,將於洩壓件上形成一洩氣通道,藉以確實地釋放鋰鐵電池殼體内聚集 的内壓力’有效避免殼體因高壓破裂。 底下即藉由具體實施例配合所附的圖式詳加說明,當更容易瞭解本創 作之目的、技術内容、特點及其所達成之功效。 【實施方式】 請參閱第一圖,係顯示一施作有本創作端蓋組的鋰鐵電池結構示意 圖;此鋰鐵電池10具有一電芯(圖中未示)、二自電芯引出之正負電極12、 14、以及一包覆此電芯之殼體16,且殼體16係採硬質金屬製成,以避免碰 撞造成鋰鐵電池10損傷。 配合第二圖所示’其係本創作一實施例之端蓋組分解圖。端蓋組2〇具 M395262 有-封板30以及i壓件4G,其中,難如之㈣㈣硬質金屬,並以 雷射焊接或超音波炫接之方式封設於殼體16 一端,封板3〇對應正負電極 12、14位置各具有-開孔32、32,,以便|1鐵電池1()的正負電極12、14 可以由二開孔32、32,露現於外,於此二開孔32、32,中間並開設有一穿孔 34,以供設置祕件40。再參閱第三圖,係為酸件之剖視圖。於本實施 例中,碰件40係以織屬製成,其概呈柱形,身部可穿過封板3〇之穿 .扎34’且Μ件40兩端略大於此穿孔34並與封板3(H則面相密合而無空隙 _產生’此時為加強氣密效果,亦可於线壓件4Q及封板3G間塗抹密封膠, 或加設密封環;又,_件40自其二端面向内凹陷,於身部中形成一封閉 膜42,封閉膜42具有二相對表面42卜422,於其中一表面422上設有一 圓形的環型溝渠44 ’此環形溝渠44形成處自是賴膜42承壓力最小處。 其中,本創作之環型溝渠44除了為圓形以外,亦可C型或多邊型或不 規則形狀,雜設計依使用者需要而改變’且前述實施例中,為加快链鐵 電池10組裝速度,故採用鋁金屬以沖壓成型方式將洩壓件4〇固定在封板 鲁 30上’並形成同時封閉膜42與環型溝渠44。 實務上,洩壓件40之形式以及環型溝渠44之設置方式皆可由設計者 依需要做改變。例如,第四圖本創作洩壓件另一實施態樣示意圖所顯示, 其中,洩壓件40是以塑膠射出成型製作而成,其係以嵌卡方式直接扣入封 板30之穿孔34内’且該實施態樣中,環型溝渠44、44’同時存在於二表面 421、422之相對位置。足顯示洩壓件40依使用者之需求而可有多種不同實 施態樣’當然洩壓件之設置數量也皆可視需要採取適當選擇。 如第五圖所示,由於鋰鐵電池1〇内壓力聚集時,内壓力將持續推擠封 5 M395262 板30及為塵件40,一旦内壓力超過一預定值,首當其衝的將是環形溝渠 所在處其因比周圍厚度更薄的關係,而在不堪推擠下將產生破裂,也 因此在封閉膜42上形成一戌氣通道你,殼體k内聚集的内壓力將順著泡 ’通C 46;益出外界。如此—來,即可確健鐵電池⑺之殼體π不會有立 即爆裂的危險。 综上所述’本創作提出賴電池之端蓋組可百分百確保_電池使用 上的安全性,避纽鐵電池有職危險,進而達到高安全性之功效者,且 本創作還具有構件簡單、組裝快速'成本低廉之優點。 以上所述之實施例僅係為說明本創作之技術思想及特點,兑目的在使 免、習此項胁之人士_瞭解本創作之内容並據以實施,4… <岣等變化或修 本創作之專利範圍,即大凡依本創作所揭示之精神所作田不此以之限疋 御,仍應涵蓋在本創作之專利範圍内。 【圖式簡單說明】 第-圖為設有本創作端蓋組之_賴電池結構示意圖。 第二圖為本創作一實施例之分解圖。 第二圖為本創作一實施例之洩壓件剖視圖。 第四圖為本創作洩壓件另一實施態樣示意圖。 第五圖為本創作之洩壓件受力狀態示意圖。 【主要元件符號說明】 10 鋰鐵電池 12 正電極 14負電極 M395262 16 殼體 20 端蓋組 30 封板 32 開孔 34 穿孔 40 洩壓件 -42 封閉膜 Φ 421、422 表面 44、44’ 環型溝渠 46 汽氣通道M395262 % V. New description: [New technical field] This creation is based on the structure of the (four) pool, especially the end cap structure of the bell iron battery of the traffic guard. [Prior Art] According to the characteristics of the 'Battery Battery' _ iron battery due to its high energy conversion efficiency, long service life and high stability, it is especially suitable for use as a power battery for the station; however, the red machine moves ^ #程vibration Frequently, and the storage environment of the fiber battery loaded by the vehicle is bad, and the chances of wind, rain, sudden changes in working temperature and accidental collision are extremely frequent. Under long-term use, it is difficult to protect the battery inside, so the battery will not be deteriorated. Because the power is too high and the county is also the case, therefore, the bell iron battery used by the vehicle must be carefully watched for the safety protection structure design. For example, the high-performance start-up battery of TW Patent Publication No. M374997 uses a battery management system to connect a plurality of parallel battery packs to detect whether each battery pack has over-discharge, over-charge, over-heat, etc. to avoid overcharge and discharge. The danger of the internal pressure of the battery is too high. For example, • to the patent battery No. M36 secret car battery device, which also avoids the situation that the accumulated pressure of the gas is generated when the pressure inside the battery is too high, so the battery case packaging of the traditional hard case is discarded, and the battery is replaced. The malleable soft training is the outer packaging of Lai Wei, and it is caused by the problem of abnormal pressure in the battery. Only the high efficiency of the former can start the battery. Once the battery management system fails, there is still a danger of bursting through the iron battery. The latter's car battery device, the capacity of the bag body can not be 100% natural. In view of this, this creation proposes another problem for the above-mentioned problem of excessive pressure inside the iron battery. A _ iron battery used in the end cap group to improve the above-mentioned missing β. [New content] The main purpose of this creation is to provide a kind of electric end cap group, which can avoid the chain iron battery If the internal pressure is too high, the bursting of the resulting 0 is to strengthen the safety of the lithium-iron battery. The other purpose is to provide the end cap group of the bell iron battery, which has a simple structure and low production cost. The efficiency is high' and it is easy with the group of turtles. In order to achieve the above-mentioned purpose, the end cap group of the iron battery includes a board and at least one of the secrets, wherein the sealing plate is disposed on the shell-end of the battery, and the sealing plate Having at least a perforation for the setting member; the inspection member has two opposite surfaces, at least in which - the surface is provided with an annular groove. The annular groove is less than the peripheral surface bearing pressure 'by this' when the lithium iron battery shell When the internal pressure exceeds a preset value, the annular channel will be broken first, and a venting passage will be formed on the pressure relief member, thereby reliably releasing the internal pressure accumulated in the lithium iron battery casing, effectively preventing the casing from being broken due to high pressure. The details of the creation, the technical content, the features and the effects achieved by the present invention will be more readily understood by the detailed description of the specific embodiments and the accompanying drawings. [Embodiment] Please refer to the first figure, which is a schematic view showing the structure of a lithium iron battery which is applied to the end cap group of the present invention; the lithium iron battery 10 has a battery core (not shown) and two self-cells are led out. The positive and negative electrodes 12, 14, and a casing 16 covering the battery core, and the casing 16 is made of hard metal to avoid damage to the lithium iron battery 10 caused by the collision. In conjunction with the second figure, the end cap group exploded view of an embodiment of the present invention. The end cap group 2 cookware M395262 has a sealing plate 30 and an i pressing member 4G, wherein it is difficult to (4) (four) hard metal, and is sealed at one end of the casing 16 by laser welding or ultrasonic splicing, and the sealing plate 3 〇 Corresponding to the positive and negative electrodes 12, 14 each having an opening 32, 32, so that the positive and negative electrodes 12, 14 of the |1 iron battery 1 () can be exposed by the two openings 32, 32, and the two open A hole 34 is defined in the middle of the hole 32, 32 for providing the secret member 40. Referring again to the third figure, it is a cross-sectional view of the acid member. In this embodiment, the contact member 40 is made of woven fabric, which is generally cylindrical, and the body can pass through the sealing plate 3 . 34 ′ and the ends of the 40 member 40 are slightly larger than the perforation 34 and Sealing plate 3 (H is close to the surface without voids _ generation ' At this time to enhance the airtight effect, it is also possible to apply a sealant between the wire pressing member 4Q and the sealing plate 3G, or to add a sealing ring; A closed film 42 is formed in the body from the two ends thereof. The sealing film 42 has two opposite surfaces 42 422. One of the surfaces 422 is provided with a circular annular groove 44. The annular groove 44 is formed. Since the pressure of the membrane 42 is the smallest, the ring groove 44 of the present invention can be C-shaped or polygonal or irregular in shape, and the miscellaneous design changes according to the needs of the user. In the example, in order to speed up the assembly speed of the chain iron battery 10, the aluminum metal is fixed on the sealing plate 30 by press forming, and the simultaneous sealing film 42 and the annular groove 44 are formed. The form of the pressing member 40 and the arrangement of the annular groove 44 can be changed by the designer as needed. For example, 4 is a schematic view showing another embodiment of the pressure relief member, wherein the pressure relief member 40 is formed by plastic injection molding, and is directly inserted into the through hole 34 of the sealing plate 30 by inserting a card. In an embodiment, the annular channels 44, 44' are simultaneously present at opposite positions of the two surfaces 421, 422. The foot display pressure relief member 40 can have a variety of different implementations depending on the needs of the user. The quantity can also be appropriately selected according to the need. As shown in the fifth figure, since the pressure inside the lithium iron battery 1 is concentrated, the internal pressure will continue to push the 5 M395262 board 30 and the dust member 40, once the internal pressure exceeds a predetermined time. The value, the first and foremost will be the location of the annular ditch, which is thinner than the surrounding thickness, and will be broken under the push, so that a helium channel is formed on the sealing film 42, and the casing k is gathered. The internal pressure will follow the bubble 'pass C 46; benefit the outside world. So, you can make sure that the shell π of the iron battery (7) does not have the risk of immediate bursting. In summary, the author proposes the end cover of the battery. Group can be 100% guaranteed _ battery use The safety of the new iron battery is dangerous to the user, and the utility model has the advantages of high safety, and the invention has the advantages of simple components and fast assembly and low cost. The embodiments described above are only for explaining the technology of the creation. Thoughts and characteristics, the purpose of the purpose of the exemption, the habit of this _ understanding of the content of this creation and according to the implementation, 4... < 岣 change or revision of the patent scope, that is, according to the creation of the original The spirit of the field is not limited to the royalties, and should still be covered in the scope of this patent. [Simplified illustration] The first picture shows the structure of the battery with the end cap set. The exploded view of an embodiment of the present invention is a cross-sectional view of a pressure relief member according to an embodiment of the present invention. The fourth embodiment is a schematic view of another embodiment of the pressure relief member. The fifth picture is a schematic diagram of the stress state of the pressure relief piece of the creation. [Main component symbol description] 10 Lithium iron battery 12 Positive electrode 14 Negative electrode M395262 16 Housing 20 End cap group 30 Sealing plate 32 Opening 34 Perforation 40 Pressure relief member - 42 Sealing film Φ 421, 422 Surface 44, 44' Ring Ditch 46 steam passage

Claims (1)

M395262 六、申請專利範圍: 1. 一種鋰鐵電池之端蓋組,係設在一鋰鐵電池之一殼體一端,該端蓋組包 括: 一封板,具有至少一穿孔;以及 一洩壓件,設於該穿孔中,該洩壓件具有相對二表面,至少一該表面上 設一環形溝渠,其在該殼體之内壓力大於一預設值時破裂形成一洩氣 通道’用以釋出該殼體之内壓力。 2. 如申請專利範圍第丨項所述鋰鐵電池之端蓋組,其中該洩壓件係以沖壓 成型形成該環形溝渠。 3·如申請專利範圍第丨項所述鋰鐵電池之端蓋組,其中該洩壓件之二該表 面各設有一該環形溝渠,二該環形溝渠並處於對應位置。 4. 如申請專利範圍第1項所述鋰鐵電池之端蓋組,其中該環形溝渠之形狀 可為圓形或C型或多邊型或不規則環型。 5. 如申請專利範圍第1項所述鍾鐵電池之端蓋組,其中該封板係以雷射焊 接或超音波熔接之方式設於該殼體。 6. 如申請專概圍第1賴述賴電池之端蓋組’其巾軸壓件及該封板 間更以密封膠或封環氣密該穿孔。 7. 如申請專概圍第丨項所魏鐵電池之端蓋組,其中該賴件兩端向内 凹陷,於身部中形成一封閉膜,以在該封閉獏上下形成相對二該表面。 8·如申請專利範圍第1項所述鋰鐵電池之端蓋組’其中該洩壓件係以嵌卡 方式固定於該穿孔中。M395262 VI. Patent application scope: 1. An end cap group of a lithium iron battery, which is disposed at one end of a casing of a lithium iron battery, the end cover group includes: a plate having at least one perforation; and a pressure relief member Provided in the perforation, the pressure releasing member has opposite surfaces, and at least one of the surfaces is provided with an annular groove, and when the pressure inside the casing is greater than a predetermined value, the rupture forms a venting passage for releasing The pressure inside the housing. 2. The end cap group of the lithium iron battery according to claim 2, wherein the pressure relief member is formed by stamping to form the annular trench. 3. The end cap group of the lithium iron battery according to the invention of claim 2, wherein the second surface of the pressure relief member is provided with the annular trench, and the annular trench is at a corresponding position. 4. The end cap group of the lithium iron battery according to claim 1, wherein the annular trench may be in the shape of a circle or a C-type or a polygonal or an irregular ring. 5. The end cap group of the bell iron battery according to claim 1, wherein the sealing panel is provided in the housing by laser welding or ultrasonic welding. 6. If the application is to be applied to the end cap group of the battery, the perforation is sealed with a sealant or a sealing ring. 7. For the end cap group of the Wei iron battery according to the above item, wherein the two ends are recessed inwardly, a sealing film is formed in the body to form opposite surfaces on the closed jaw. 8. The end cap group of the lithium iron battery according to claim 1, wherein the pressure releasing member is fixed in the perforation by means of an insert.
TW99215784U 2010-08-17 2010-08-17 Lithium ferroelectric battery of end cover set TWM395262U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023000202A1 (en) * 2021-07-21 2023-01-26 宁德时代新能源科技股份有限公司 Battery cell and manufacturing method and manufacturing system therefor, battery, and electrical device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023000202A1 (en) * 2021-07-21 2023-01-26 宁德时代新能源科技股份有限公司 Battery cell and manufacturing method and manufacturing system therefor, battery, and electrical device

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