TWM435733U - Battery pack - Google Patents

Battery pack Download PDF

Info

Publication number
TWM435733U
TWM435733U TW101206185U TW101206185U TWM435733U TW M435733 U TWM435733 U TW M435733U TW 101206185 U TW101206185 U TW 101206185U TW 101206185 U TW101206185 U TW 101206185U TW M435733 U TWM435733 U TW M435733U
Authority
TW
Taiwan
Prior art keywords
battery
positioning
space
battery pack
battery holder
Prior art date
Application number
TW101206185U
Other languages
Chinese (zh)
Inventor
Chin-Hsiang Tang
Original Assignee
Chin-Hsiang Tang
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 Chin-Hsiang Tang filed Critical Chin-Hsiang Tang
Priority to TW101206185U priority Critical patent/TWM435733U/en
Publication of TWM435733U publication Critical patent/TWM435733U/en

Links

Classifications

    • Y02E60/12

Landscapes

  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Description

M435733 五 新型說明: 【新型所屬之技術領域】 一種電池紕,尤指具有良好定位組合與散熱方式,可確保複 數電池之正常運作,以及延長電池使用壽命之電池組。 【先前技術】 按,現今電池已成為重要的能源工具之一,而其應用層面也 愈來愈廣’ H池可裝卸地設錄電子設備或是動力設傷中, 如可攜式電子產品或電動車。關應環保性之需求,目前電池的 使用大多為高效率的充電電池,但充f電池在充電歧電之過程 中,其内部之電池材料(如鋰離子)在進行離子交換時會產生大量 的熱量’造成内部之卫作溫度增加,進而產生熱阻效應,而減= 充電或放電之工作效能,並降低使用壽命,因此電池若無良好的 散熱方式,料造成過乡資源錢成本之浪費。 然而’目前充電電池模組的結構主要係_包财式, 數電池^㈣接,再導電件連接複數電池形成1池模組, 而在電篁需求較大之裝置上,可將複數個電池模組以串聯或並聯 方式使用麵觀池模組為—義式的包裝結構,又因該些單 間為相互緊_無空隙,當電池模崎出瞬間大電辦 衫生尚溫’此時,熱量產生的速率獻於散熱的 =:熱逸散時’會導致電池長時間處在高溫的… 產生溫昇亦在進行電力回柄過財,電池所 、、的累積’長時間使用的情形下,則會縮短電池使 3 M435733 用哥命。 一是以,要如何解決習知技術之問題與缺失,即為從事此相關 行業之業者所亟欲研發之課題。 【新型内容】 本創作之主要目的在於,利用電池座提供電池良好之定位組 合與散熱空間,錄速較電池所產生之難,進而延長電池使 用壽命,以及維持正常運作。 為達上述目的,本創作電池組係設置有電池座以及電力裝 置,電池座設置有本體,本體内具有複數呈橫直交錯狀之隔板, 使電池座内形成有複數陣列狀之定位空間,且定位空間二侧呈連 通狀,而電力裝置設置有複數電池以及導電件,各電池係分別定 位於不同之定位空間内,且電池周緣係與隔板形成接觸定位,並 使各電池周緣與隔板之間形成有散熱空間,而導電件係電性連接 於各電池’使複數電池形成串聯、並聯或串/並聯狀。 【實施方式】 請參閱第一圖至第九圖所示,由圖中可清楚看出,本創作之 電池組係設置有複數電池座1、電力裝置2、殼體組5以及電源管 理模組7,其中: 該電池座1如第四圖、第五圖以及第九圖所示,係為一個以 上層疊設置’各電池座1設置有本體11,本體11内具有複數呈橫 直交錯狀之隔板12,使電池座1内形成有複數陣列狀之定位空間 13,定位空間13二側呈連通狀,且定位空間13内二相對側之隔 M435733 板12表面凸設有定位部121 ’並於各電池座丨之隔板12交錯處係 設置有相對之通孔122 ’在通孔122内設置有定位元件3,定位元 件3上鎖固有迫緊元件4,使複數電池座丨形成層疊定位狀;再者, 各電池座1之本體11 一側間隔凸設有限位部14,二限位部14之 間形成有限位空間141。 該電力裝置2如第四圖至第七圖所示,係設置有複數電池21 以及導電件22,各電池21係分別定位於各電池座丨不同之定位空 馨間13内,且電池21周緣係與隔板12及定位部121形成接觸定位, 讓各電池21周緣與隔板12之間形成有散熱空間131,而導電件 22係電性連接於各電池21,使複數電池21形成串聯、並聯或串/ i 並聯狀。 " 該殼體組5如第二圖、第三圖以及第八圖所示,係設置有殼 1 λ體51以及蓋體52,殼體51 —側表面凹設有容置空間511,容置 空間511内壁間隔凸設有複數抵持部512,且蓋體52表面係設置 籲有握把523以及複數散熱孔522,而電池座Η系定位於容置空間 • 511内’使殼體51之抵持部512抵持於電池座1表面;殼體μ 於谷置空間511上方側表面設置有複數鎖孔513,而蓋體π表面 設置有相對於鎖孔513之定位孔521,且定位孔521内設置有固定 7L件6 ’以固定元件6鎖固於鎖孔513 0,使蓋體52蓋合於殼體 51之容置空間511上方側形成定位狀。 該電源管理模組7如第二、三圖以及第八圖所示,係設置有 控制器71以及第一插座72與第二插座73,控制器71係定位於二 5 M435733 限位部14之間之限位空間141内,且控制器71係電性連接於電 力展置2以及第-插座72與第二插座73,而帛一插座72與第二 插座73係固定於蓋體52表面。 是以,本創作為可解決習知技術之不足與缺失,並增進使用 功效,其關鍵技術在於: (一)本創作電力裝置2之複數電池21係分別定位於各電池座 1不同之定位空間13 π ’以有效定位組合,讓各電池21周緣與隔 板12之間形成有散熱空間13卜藉由空氣流經散熱空間⑶時與 電池21產生熱交換,快速帶走電池21所產生之熱能,進而延長 電池21使用壽命,以及維持正常運作。 ㈡本創作殼體51之容置空間511内壁間隔凸設的複數抵持 部512 ’讓空氣流經電池座i周緣’進而與電池座i及電池2ι進 行熱交換,快速的將電池座i所吸收電池21熱能散去,以使電池 座1可吸收更多電池21所發出之熱能,進而降低電池21工作溫 度,延長電池21使用壽命以及維持正常運作。 U)本創作之電源管理模組7係設置有第—插座72與第二插 座73 ’因麟池組在充電歧使㈣,可分開連接第一插座^ 與第二插座73,方便使用者使用。 (四)本創作之電池21為定位於不同之定位空間13内,因此 部分電池21產生損壞時,只需針對損壞之電池21進行更換即可, 降低使用者之使用成本。 【圖式簡單說明】 6 M435733 第一圖係為本創作之立體外觀圖。 第二圖係為本創作又一視角之立體外觀圖。 第三圖係為本創作之立體分解圖。 第四圖係為本創作電池座以及電力裝置之立體分解圖。 第五圖係為本創作電池座以及電力裝置之局部側視圖。 第六圖係為本創作電池座以及電力裝置之立體外觀圖。 第七圖係為本創作電池座以及電力裝置又一視角之立體外觀 • 圖。. 第八圖係為本創作之局部侧視剖面圖。 第九圖係為本創作複數電池座連接示意圖。 【主要元件符號說明】 1、電池座 〜J1、本體 12、 隔板 籲m、定位部 122、通孔 13、 定位空間 131、散熱空間 14、 限位部 141、限位空間 2、電力裝置 7 M435733 21、 電池 22、 導電件 3、 定位元件 4、 迫緊元件 5、 殼體組 51、 殼體 511、 容置空間 512、 抵持部 513鎖孔 52、 蓋體 521、 定位孔 522、 散熱孔 523、 握把 6、 固定元件 7、 電源管理模組 71、 控制器 72、 第一插座 M435733 73、第二插座M435733 V New Description: [New Technology Area] A battery pack, especially a battery pack that has a good positioning combination and heat dissipation method to ensure the normal operation of multiple batteries and extend the battery life. [Prior Art] According to the current battery, it has become one of the most important energy tools, and its application level is becoming more and more extensive. 'H pool can be loaded and unloaded with electronic equipment or power damage, such as portable electronic products or Electric car. In view of the need for environmental protection, most of the current battery use is a highly efficient rechargeable battery, but in the process of charging and discharging, the internal battery material (such as lithium ion) will generate a large amount of ion exchange. The heat 'causes the internal temperature of the bathroom to increase, which in turn produces a thermal resistance effect, and reduces the working efficiency of charging or discharging, and reduces the service life. Therefore, if the battery does not have a good heat dissipation method, it is expected to waste the cost of resources. However, the structure of the current rechargeable battery module is mainly _ Baocai type, several batteries ^ (four) connected, and then the conductive parts are connected to the plurality of batteries to form a pool module, and in the device with large demand for power, a plurality of batteries can be The module uses the face-to-face module as a package structure in series or in parallel, and because the single rooms are tight with each other _ no gaps, when the battery module is out of the way, the electric hair is still warm. The rate of heat generation is dedicated to heat dissipation =: When heat is dissipated, it will cause the battery to be at a high temperature for a long time... The temperature rise is also caused by the power to return the handle, and the accumulation of the battery, in the case of long-term use. , will shorten the battery to make 3 M435733 with a life. First, how to solve the problems and shortcomings of the prior art is the subject of research and development for those engaged in this related industry. [New Content] The main purpose of this creation is to provide a good battery positioning combination and heat dissipation space by using the battery holder. The recording speed is more difficult than that of the battery, thereby prolonging the battery life and maintaining normal operation. In order to achieve the above object, the battery pack of the present invention is provided with a battery holder and a power device. The battery holder is provided with a body, and the body has a plurality of partitions which are horizontally staggered, so that a plurality of array-shaped positioning spaces are formed in the battery holder, and The two sides of the positioning space are connected, and the power device is provided with a plurality of batteries and conductive members, and the battery units are respectively positioned in different positioning spaces, and the peripheral edges of the battery are in contact with the partition plate, and the periphery and the partition of each battery are arranged. A heat dissipating space is formed between them, and the conductive members are electrically connected to the respective batteries' to form the plurality of cells in series, parallel or series/parallel. [Embodiment] Please refer to the first to ninth figures. As can be clearly seen from the figure, the battery pack of the present invention is provided with a plurality of battery holders 1, a power device 2, a housing group 5, and a power management module. 7, wherein: the battery holder 1 is arranged in one or more layers as shown in the fourth, fifth and ninth diagrams. [Each battery holder 1 is provided with a body 11 having a plurality of horizontally staggered spaces in the body 11. The plate 12 has a plurality of array-shaped positioning spaces 13 formed in the battery holder 1, and the two sides of the positioning space 13 are connected to each other, and the positioning portion 121' is protruded from the surface of the opposite side of the M435733 plate 12 on the opposite sides of the positioning space 13. The partitions 12 of the battery holders are provided with opposite through holes 122. The positioning elements 3 are disposed in the through holes 122, and the positioning elements 3 are locked with the inherently fastening elements 4, so that the plurality of battery holders are stacked and positioned. Furthermore, the body 11 of each battery holder 1 is provided with a limiting portion 14 at a side thereof, and a limiting space 141 is formed between the two limiting portions 14 . As shown in the fourth to seventh embodiments, the power device 2 is provided with a plurality of batteries 21 and a conductive member 22, and each of the batteries 21 is respectively positioned in a different positioning chamber 13 of each battery holder, and the periphery of the battery 21 is provided. The contact plate 12 and the positioning portion 121 are in contact with each other, and a heat dissipation space 131 is formed between the periphery of each battery 21 and the partition plate 12. The conductive member 22 is electrically connected to each of the batteries 21, so that the plurality of batteries 21 are connected in series. Parallel or string / i parallel. As shown in the second, third and eighth figures, the housing group 5 is provided with a shell 1 λ body 51 and a cover 52. The side surface of the housing 51 is recessed with an accommodating space 511. A plurality of abutting portions 512 are protruded from the inner wall of the space 511, and the surface of the cover 52 is provided with a grip 523 and a plurality of heat dissipation holes 522, and the battery holder is positioned in the accommodating space 511 to make the housing 51 The abutting portion 512 is abutted against the surface of the battery holder 1; the housing μ is provided with a plurality of locking holes 513 on the upper side surface of the valley space 511, and the cover π surface is provided with a positioning hole 521 with respect to the locking hole 513, and is positioned A fixing 7L member 6 ′ is disposed in the hole 521 to be locked to the locking hole 513 0 by the fixing member 6 , and the cover 52 is placed on the upper side of the accommodating space 511 of the housing 51 to form a positioning shape. The power management module 7 is provided with a controller 71, a first socket 72 and a second socket 73, as shown in the second, third and eighth figures. The controller 71 is positioned at the second 5 M435733 limiting portion 14. The controller 71 is electrically connected to the power extension 2 and the first socket 72 and the second socket 73, and the first socket 72 and the second socket 73 are fixed to the surface of the cover 52. Therefore, this creation is to solve the shortcomings and defects of the prior art, and to enhance the use efficiency. The key technologies are as follows: (1) The plurality of batteries 21 of the power device 2 of the present invention are respectively positioned in different positioning spaces of the battery holders 1 13 π ' is effectively positioned and combined, so that a heat dissipation space 13 is formed between the periphery of each battery 21 and the partition plate 12, and heat exchange with the battery 21 is performed when the air flows through the heat dissipation space (3), and the heat energy generated by the battery 21 is quickly taken away. , thereby extending the life of the battery 21 and maintaining normal operation. (2) The plurality of resisting portions 512 ′ which are spaced apart from the inner wall of the accommodating space 511 of the present housing 51 allow air to flow through the periphery of the battery holder i to exchange heat with the battery holder i and the battery 2 i, thereby quickly charging the battery holder i The heat dissipation of the absorption battery 21 is dissipated, so that the battery holder 1 can absorb more heat energy generated by the battery 21, thereby lowering the operating temperature of the battery 21, prolonging the service life of the battery 21 and maintaining normal operation. U) The power management module 7 of the present invention is provided with a first socket 72 and a second socket 73. The first socket ^ and the second socket 73 can be separately connected by the charging unit (4). . (4) The battery 21 of the present invention is positioned in different positioning spaces 13. Therefore, when the partial battery 21 is damaged, it is only necessary to replace the damaged battery 21, thereby reducing the user's use cost. [Simple description of the diagram] 6 M435733 The first picture is the three-dimensional appearance of the creation. The second picture is a three-dimensional appearance of another perspective of the creation. The third picture is a three-dimensional exploded view of the creation. The fourth figure is an exploded view of the creation battery holder and the power device. The fifth figure is a partial side view of the creation battery holder and the power device. The sixth picture is a three-dimensional appearance of the creation battery holder and the power device. The seventh figure is a three-dimensional appearance of the creation of the battery holder and the power device. The eighth figure is a partial side cross-sectional view of the creation. The ninth figure is a schematic diagram of the connection of the plurality of battery holders. [Description of main component symbols] 1. Battery holder ~ J1, body 12, spacer snap m, positioning portion 122, through hole 13, positioning space 131, heat dissipation space 14, limiting portion 141, limiting space 2, power device 7 M435733 21, battery 22, conductive member 3, positioning member 4, pressing member 5, housing group 51, housing 511, accommodating space 512, resisting portion 513 locking hole 52, cover body 521, positioning hole 522, heat dissipation Hole 523, grip 6, fixing element 7, power management module 71, controller 72, first socket M435733 73, second socket

Claims (1)

M435733 六、申請專利範圍: 1、 一種電池組,該電池組係設置有電池座以及電力裝置,其 中: 、 該電池座設置有本體,本體内具有複數呈横直交錯狀之隔 板’使電池座内形成有複數陣列狀之定位空間,且定位空間二側 呈連通狀; 該電力裝置設置有複數電池以及導電件,各電池係分別定位 於不同之定位空間内,且電池周緣係與隔板形成接觸定位,並使 各電池周緣與隔板之間形成有散熱空間,而導電件係電性連接於 各電池,使複數電池形成串聯、並聯或串/並聯狀。 2、 如申請專利範圍第1項所述之電池組,其中該定位空間内 一相對側之隔板表面凸設有定位部,定位部係抵持於電池周緣。 3、 如申請專利範圍第1項所述之電池組,其中該電池座為— 個以上層疊設置,而各電池座隔板交錯處係設置有相對之通孔, 通孔内設置有定位元件,定位元件上鎖固有迫緊元件,使複數電 池座形成層疊定位狀。 4、 一種電池組,該電池組係設置有電池座、電力裝置以及殼 體組,其中: 該電池座設置有本體,本體内具有複數呈橫直交錯狀之隔 板’使電池座内形成有複數陣列狀之定位空間,且定位空間二側 呈連通狀; 該電力裝置設置有複數電池以及導電件,各電池係分別定位 M435733 於不同之定位空間内,且電池周緣係與隔板形成接觸定位,使各 電池周緣與隔板之間形成有散熱空間,而導電件係、電性連接於各 電池,使複數電池形成串聯、並聯或串/並聯狀; 該殼體組係設置有殼體以及蓋體,殼體凹設有容置空間,電 池座係定位於容置空_,蓋體係蓋合於殼體之容置空^上。 5、 如申請專利範圍第4項所述之電池組,其中該定位空間内 二相對侧之隔板表面凸設有定位部,定位部係抵持於電池周緣。 6、 如申請專利細第4項所述之電池組,其中該電池座為一 個以上層魏置’而各電池座隔板交錯處係設置有相對之通孔, 通孔内設置有定位元件,定位元件上_有迫緊元件使複數電 池座形成層疊定位狀。 7、 如申請專利範圍第4項所述之電池組,其中該殼體之容置 -空間内壁咖凸設錢數抵持部,麟部魏持於電池座表面。 8、 如申請專利細第4項所述之電池組,其中該殼體於容置 空間上方絲面設置有複數鎖孔,蓋縣面設置有姆於鎖孔之 定位孔’且定減峡置有固定元件,_定元件_於鎖孔内, 使蓋體與殼體形成定位狀。 9、 如申請專利細第4顿述之電池組,射該電池組係進 一步設置有電源管理模组,該電鮮理模_設置有控制器以及 第-插座與第二插座,控制器係電性連接於電力裝置以及第一插 座與第二插座,且第-插麟第二插座_定於蓋體表面。 10、 如中請專利範圍第4項所述之電池組,其中該蓋體表面 M435733 係設置有複數散熱孔。 11、如申請專利範圍第4項所述之電池組,其中該蓋體表面 係設置有握把。 12M435733 VI. Patent application scope: 1. A battery pack, which is provided with a battery holder and an electric device, wherein: the battery holder is provided with a body, and the body has a plurality of partitions which are horizontally staggered to make the battery holder A plurality of array-shaped positioning spaces are formed therein, and two sides of the positioning space are connected to each other; the power device is provided with a plurality of batteries and conductive members, and each battery system is respectively positioned in a different positioning space, and the battery peripheral system and the partition plate are formed. The contact is positioned, and a heat dissipation space is formed between the periphery of each battery and the separator, and the conductive member is electrically connected to each battery, so that the plurality of batteries are formed in series, parallel or series/parallel. 2. The battery pack according to claim 1, wherein the surface of the opposite side of the positioning space is convexly provided with a positioning portion, and the positioning portion is abutted against the periphery of the battery. 3. The battery pack according to claim 1, wherein the battery holder is arranged in a stack or more, and each of the battery holder partitions is provided with an opposite through hole, and a positioning component is disposed in the through hole. The positioning element locks the inherently pressing element to form a plurality of battery holders in a stacked position. 4. A battery pack, the battery pack is provided with a battery holder, an electric device, and a housing set, wherein: the battery holder is provided with a body, and the body has a plurality of partitions that are horizontally staggered to form a plurality of cells in the battery holder. Array-shaped positioning space, and two sides of the positioning space are connected; the power device is provided with a plurality of batteries and conductive members, each battery system is respectively positioned M435733 in different positioning spaces, and the battery periphery is in contact with the partition plate. A heat dissipation space is formed between the periphery of each battery and the partition plate, and the conductive member is electrically connected to each battery, so that the plurality of batteries are formed in series, parallel or series/parallel; the housing group is provided with a casing and a cover The housing is concavely provided with an accommodating space, and the battery holder is positioned to accommodate the empty space _, and the cover system is closed on the accommodating space of the housing. 5. The battery pack of claim 4, wherein the surface of the opposite side of the positioning space is convexly provided with a positioning portion, and the positioning portion is held against the periphery of the battery. 6. The battery pack according to claim 4, wherein the battery holder is one or more layers, and each of the battery holder partitions is provided with a relative through hole, and a positioning component is disposed in the through hole. The positioning element has a pressing element that causes the plurality of battery holders to form a stacked positioning. 7. The battery pack according to item 4 of the patent application, wherein the housing of the housing-space inner wall has a money-receiving portion, and the lining is held on the surface of the battery holder. 8. The battery pack according to claim 4, wherein the casing is provided with a plurality of keyholes on the silk surface above the accommodating space, and the cover surface of the cover is provided with a positioning hole of the lock hole and the damper is set. There is a fixing element, and the fixing element is in the keyhole, so that the cover body and the housing form a positioning shape. 9. If the battery pack described in the fourth patent is applied, the battery pack is further provided with a power management module, which is provided with a controller and a first socket and a second socket, and the controller is electrically The utility model is connected to the electric device and the first socket and the second socket, and the second socket is disposed on the surface of the cover body. 10. The battery pack of claim 4, wherein the cover surface M435733 is provided with a plurality of heat dissipation holes. 11. The battery pack of claim 4, wherein the cover body is provided with a grip. 12
TW101206185U 2012-04-06 2012-04-06 Battery pack TWM435733U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW101206185U TWM435733U (en) 2012-04-06 2012-04-06 Battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW101206185U TWM435733U (en) 2012-04-06 2012-04-06 Battery pack

Publications (1)

Publication Number Publication Date
TWM435733U true TWM435733U (en) 2012-08-11

Family

ID=47048221

Family Applications (1)

Application Number Title Priority Date Filing Date
TW101206185U TWM435733U (en) 2012-04-06 2012-04-06 Battery pack

Country Status (1)

Country Link
TW (1) TWM435733U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI492439B (en) * 2013-12-05 2015-07-11 Go Tech Energy Co Ltd Recargeable battery module
TWI496339B (en) * 2013-08-20 2015-08-11 Metal Ind Res & Dev Ct Electrical power apparatus with battery unit

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI496339B (en) * 2013-08-20 2015-08-11 Metal Ind Res & Dev Ct Electrical power apparatus with battery unit
TWI492439B (en) * 2013-12-05 2015-07-11 Go Tech Energy Co Ltd Recargeable battery module

Similar Documents

Publication Publication Date Title
CN208781901U (en) Secondary battery module and the cooling frame of secondary cell
JP3183200U (en) Composite heat spreader and battery module including the same
US9444123B2 (en) Battery pack assembly
CN203950846U (en) Battery assembly
WO2019167689A1 (en) Battery module and battery pack
US20070292751A1 (en) Battery Apparatus with Heat Absorbing Body
KR102087598B1 (en) Battery Pack
WO2013157560A1 (en) Secondary battery, secondary battery module having built-in secondary battery, and assembled battery system having built-in secondary battery module
KR101847182B1 (en) Battery having Heat-Conductive Case for Water Cooling
JP2010062093A (en) Battery pack
CN206271779U (en) A kind of electrokinetic cell installation casing
KR20130064704A (en) Radiant heat plate for battery cell
CN109037787B (en) New energy automobile lithium ion battery pack structure and 18650 battery manufacturing method thereof
TWM435733U (en) Battery pack
CN211858757U (en) Battery with a battery cell
CN102790246A (en) Copper foam material device for adjusting thermal balance of battery pack
CN109786613A (en) A kind of battery case preventing thermal runaway
CN215119067U (en) Energy storage cell unit, energy storage battery device and energy storage power station
CN212725417U (en) Battery module
CN212033086U (en) Uniform-temperature heat dissipation container structure of lithium battery and combined module thereof
CN211045520U (en) Battery box
TWI475740B (en) Battery module
CN110890500A (en) High-temperature-resistant new energy battery pack
CN221486642U (en) High temperature resistant lead acid battery groove cover
CN202695677U (en) Device for regulating heat balance of battery packs by using foamy copper material

Legal Events

Date Code Title Description
MM4K Annulment or lapse of a utility model due to non-payment of fees