CN105449138A - Housing of cylindrical lithium ion battery pack - Google Patents
Housing of cylindrical lithium ion battery pack Download PDFInfo
- Publication number
- CN105449138A CN105449138A CN201511009318.7A CN201511009318A CN105449138A CN 105449138 A CN105449138 A CN 105449138A CN 201511009318 A CN201511009318 A CN 201511009318A CN 105449138 A CN105449138 A CN 105449138A
- Authority
- CN
- China
- Prior art keywords
- lower cover
- lithium ion
- ion battery
- battery pack
- upper casing
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a housing of a cylindrical lithium ion battery pack. The housing comprises a lower cover (3), wherein the cylindrical lithium ion battery pack (4) is arranged at the top of the lower cover (3) and covered by a hollow upper housing (1); the bottom of the upper housing (1) is open; the upper housing (1) and the lower cover (3) are fastened; a plurality of connecting bumps (31) are arranged at intervals on the peripheral edge of the top of the lower cover (3); a threaded hole (32) is formed in the outer side surface of each connecting bump (31); a plurality of screw through holes (11) are formed in the positions, corresponding to the threaded holes (32), of the upper housing (1); a countersunk screw (2) is arranged in each screw through hole (11) in a penetration manner; and the countersunk screws (2) are in threaded connection with the threaded holes (32). According to the housing, a gap formed when cylindrical batteries are combined can be fully utilized, the volume of the assembly structure of the screws is reduced, and the volume space of the battery pack is saved.
Description
Technical field
The present invention relates to cell art, particularly relate to a kind of shell of column lithium ion battery group.
Background technology
At present, lithium ion battery have specific energy high, recycle often, the advantage such as memory time is long, not only on a portable electronic device as mobile phone, Digital Video and laptop computer are used widely, and be widely used in the big-and-middle-sized electrical equipment aspects such as electric automobile, electric bicycle and electric tool, therefore more and more higher to the safety requirements of lithium ion battery.
Due to the extensive use of lithium battery, the product design of Li-ion batteries piles requires also of all kinds, and especially a lot of equipment is pursued small and exquisite portable, requires that the volumetric specific energy of Li-ion batteries piles is higher.At present, the use of cylindrical battery is relatively more extensive, but, have again certain combinational gap when columniform battery combination forms battery pack, the shell of battery pack is also the key factor affecting battery pack volumetric specific energy, therefore proposes lightly compact requirement to the shelling machine of battery pack.Simultaneously, the impact shock environment for use that a lot of product requirement is harsh at present, the shell of requirement battery pack is metal material, but metal shell is generally connected by screw fastening, need to reserve very large assembly structure space to screw, occupy the volume of battery pack in a large number, therefore existing battery-pack exterior casing structure cannot save the volumetric spaces of battery pack, cannot ensure the volumetric specific energy of battery pack.
Therefore, at present in the urgent need to developing a kind of shell of column lithium ion battery group, it can ensure, under the prerequisite to the security protection performance of battery pack, to reduce the assembly structure volume of screw, save the volumetric spaces of battery pack, ensure that battery pack has high volumetric specific energy.
Summary of the invention
In view of this, the object of this invention is to provide a kind of shell of column lithium ion battery group, it can ensure under the prerequisite to the security protection performance of battery pack, make full use of gap during cylindrical battery combination, reduce the assembly structure volume of screw, save the volumetric spaces of battery pack, ensure that battery pack has high volumetric specific energy, be conducive to the wide popularization and application of Li-ion batteries piles, be of great practical significance.
For this reason, the invention provides a kind of shell of column lithium ion battery group, comprise lower cover, the top of described lower cover is provided with column lithium ion battery group, described column lithium ion battery group is covered with the upper casing of a hollow, the bottom-open of described upper casing, described upper casing and lower cover are interlocked;
The edge of described lower tops is arranged at intervals with multiple connection projection, and the lateral surface of each described connection projection has a screwed hole;
Described upper casing has multiple screwing through hole on the position corresponding with described screwed hole;
Each screwing through hole runs through and is provided with a sunk screw, and described sunk screw is threaded with described screwed hole.
Wherein, described lower cover is rectangle, and described upper casing is rectangular shape.
Wherein, described lower tops is respectively arranged with a described connection projection in left-front corner and right front angle, and position corresponding with the cell gap had in described column lithium ion battery group in the middle part of described lower cover top right side is provided with two described connection projections.
From above technical scheme provided by the invention, compared with prior art, the invention provides a kind of shell of column lithium ion battery group, it can ensure under the prerequisite to the security protection performance of battery pack, makes full use of gap during cylindrical battery combination, reduces the assembly structure volume of screw, save the volumetric spaces of battery pack, ensure that battery pack has high volumetric specific energy, be conducive to the wide popularization and application of Li-ion batteries piles, be of great practical significance.
Accompanying drawing explanation
Fig. 1 is the structural representation of shell when assembling Li-ion batteries piles of a kind of column lithium ion battery group provided by the invention;
In figure: 1 is upper casing, 2 is sunk screw, and 3 is lower cover, and 4 is column lithium ion battery group, and 11 is screwing through hole, and 31 for connecting projection, and 32 is screwed hole.
Embodiment
In order to make those skilled in the art person understand the present invention program better, below in conjunction with drawings and embodiments, the present invention is described in further detail.
Fig. 1 is the structural representation of shell when assembling Li-ion batteries piles of a kind of column lithium ion battery group provided by the invention.
See Fig. 1, the invention provides a kind of shell of column lithium ion battery group, include rectangular lower cover 3, the top of described lower cover 3 is provided with column lithium ion battery group 4, described column lithium ion battery group 4 is covered with a hollow, the upper casing 1 of rectangular shape, the bottom-open of described upper casing 1, described upper casing 1 is interlocked with lower cover 3.
In the present invention, the edge at described lower cover 3 top is arranged at intervals with multiple connection projection 31, and the lateral surface of each described connection projection 31 has a screwed hole 32;
In specific implementation, described lower cover 3 top is respectively arranged with a described connection projection 31 in left-front corner and right front angle, and position corresponding with the cell gap had in described column lithium ion battery group 4 in the middle part of described lower cover 3 top right side is provided with two described connection projections 31.
When described upper casing 1 is interlocked with described lower cover 3, described upper casing 1 has multiple screwing through hole 11 on the position corresponding with described screwed hole 32, each screwing through hole 11 runs through and is provided with a sunk screw 2, and described sunk screw 2 is threaded with described screwed hole 32.
Therefore, described upper casing 1 is threaded with the described screwed hole 32 be connected on projection 31 after can being each passed through multiple described screwing through hole 11 by multiple sunk screw 2.Therefore, the structure space that screw assembling needs can be saved.
Therefore, for the shell of column lithium ion battery group provided by the invention, described lower cover 3 can be fastenedly connected as a whole with described upper casing 1 by described sunk screw 2, battery gap each other in column lithium ion battery group can be made full use of, by by the structural design of screwed hole at gap location, reduce space waste, simultaneously, because upper casing 1 is buckled on lower cover 3, height dimension can be reduced, the volume of remarkable reduction column lithium ion battery set product, enriches the use occasion of battery pack.
It should be noted that, for the present invention, it is placed on the combinational gap position in position in upper casing 1 and column lithium ion battery group 4 between battery according to column lithium ion battery group 4, design the position (namely connecting projection 31 and the screwed hole 32 be connected on projection 31) of lower cover 3 upper screwed hole structure, outstanding thread pore structure is made on lower cover 3 to be just in time in combinational gap place in cylindrical battery between battery, therefore, take full advantage of the inner space of column lithium ion battery group, reduce the external dimensions of shell.
In specific implementation, the battery size of enclosure provided by the invention is 103mm*80mm*37mm, and housing profile is of a size of 107mm*84mm*40mm, and the size of increase is outer casing thickness substantially, without extra wasting space.
In specific implementation; column lithium ion battery set product is in assembling process; first can be connected column lithium ion battery group 4 connection in series-parallel protective circuit plate; then column lithium ion battery group 4 is positioned in upper casing 1; output line on protection baffle is exported by the hole that upper casing 1 is reserved; lower cover 3 is positioned over bottom column lithium ion battery group, after aliging with the position, hole of upper casing 1, uses sunk screw 2 that lower cover 3 and upper casing 1 are tightened to one.
In sum, compared with prior art, the shell of a kind of column lithium ion battery group provided by the invention, it can ensure under the prerequisite to the security protection performance of battery pack, makes full use of gap during cylindrical battery combination, reduces the assembly structure volume of screw, save the volumetric spaces of battery pack, ensure that battery pack has high volumetric specific energy, be conducive to the wide popularization and application of Li-ion batteries piles, be of great practical significance.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (3)
1. the shell of a column lithium ion battery group, it is characterized in that, comprise lower cover (3), the top of described lower cover (3) is provided with column lithium ion battery group (4), described column lithium ion battery group (4) is covered with the upper casing (1) of a hollow, the bottom-open of described upper casing (1), described upper casing (1) and lower cover (3) are interlocked;
The edge at described lower cover (3) top is arranged at intervals with multiple connection projection (31), and the lateral surface of each described connection projection (31) has a screwed hole (32);
Described upper casing (1) has multiple screwing through hole (11) on the position corresponding with described screwed hole (32);
Each screwing through hole (11) runs through and is provided with a sunk screw (2), and described sunk screw (2) is threaded with described screwed hole (32).
2. shell as claimed in claim 1, it is characterized in that, described lower cover (3) is rectangle, and described upper casing (1) is rectangular shape.
3. shell as claimed in claim 2, it is characterized in that, described lower cover (3) top is respectively arranged with a described connection projection (31) in left-front corner and right front angle, and position corresponding with the cell gap had in described column lithium ion battery group (4) in the middle part of described lower cover (3) top right side is provided with two described connection projections (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009318.7A CN105449138A (en) | 2015-12-28 | 2015-12-28 | Housing of cylindrical lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511009318.7A CN105449138A (en) | 2015-12-28 | 2015-12-28 | Housing of cylindrical lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105449138A true CN105449138A (en) | 2016-03-30 |
Family
ID=55559106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511009318.7A Pending CN105449138A (en) | 2015-12-28 | 2015-12-28 | Housing of cylindrical lithium ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105449138A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018076469A1 (en) * | 2016-10-27 | 2018-05-03 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle and battery assembly and battery casing thereof |
| CN108475742A (en) * | 2016-06-15 | 2018-08-31 | 株式会社Lg化学 | Include the battery modules of the case member engaged with plug-in connecting component |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202797125U (en) * | 2012-09-28 | 2013-03-13 | 山东精工电子科技有限公司 | Lithium iron phosphate backup battery for communication |
| CN203707192U (en) * | 2013-12-17 | 2014-07-09 | 天津力神特种电源科技有限公司 | Battery pack shell structure |
| CN205231145U (en) * | 2015-12-28 | 2016-05-11 | 天津力神特种电源科技股份公司 | Shell of cylindrical lithium ion battery group |
-
2015
- 2015-12-28 CN CN201511009318.7A patent/CN105449138A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202797125U (en) * | 2012-09-28 | 2013-03-13 | 山东精工电子科技有限公司 | Lithium iron phosphate backup battery for communication |
| CN203707192U (en) * | 2013-12-17 | 2014-07-09 | 天津力神特种电源科技有限公司 | Battery pack shell structure |
| CN205231145U (en) * | 2015-12-28 | 2016-05-11 | 天津力神特种电源科技股份公司 | Shell of cylindrical lithium ion battery group |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108475742A (en) * | 2016-06-15 | 2018-08-31 | 株式会社Lg化学 | Include the battery modules of the case member engaged with plug-in connecting component |
| CN108475742B (en) * | 2016-06-15 | 2021-02-26 | 株式会社Lg化学 | Battery module including housing parts joined by snap-fit type connecting parts |
| WO2018076469A1 (en) * | 2016-10-27 | 2018-05-03 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle and battery assembly and battery casing thereof |
| CN109643774A (en) * | 2016-10-27 | 2019-04-16 | 深圳市大疆创新科技有限公司 | Unmanned plane and its battery component, battery case |
| CN109643774B (en) * | 2016-10-27 | 2021-12-07 | 深圳市大疆创新科技有限公司 | Unmanned aerial vehicle and battery pack, battery case thereof |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160330 |