CN203787483U - Lithium ion battery pack with improved connecting structure - Google Patents
Lithium ion battery pack with improved connecting structure Download PDFInfo
- Publication number
- CN203787483U CN203787483U CN201420014122.1U CN201420014122U CN203787483U CN 203787483 U CN203787483 U CN 203787483U CN 201420014122 U CN201420014122 U CN 201420014122U CN 203787483 U CN203787483 U CN 203787483U
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- CN
- China
- Prior art keywords
- lithium ion
- ion battery
- plate
- battery group
- elastic plate
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- 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.)
- Expired - Fee Related
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- 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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to a lithium ion battery pack with an improved connecting structure. The lithium ion battery pack with the improved connecting structure comprises more than two lithium ion batteries, a frame body and a plurality of elastic devices, wherein the frame body is formed by hinging four connecting rods mutually; the more than two lithium ion battery packs are positioned in the frame body; each elastic device comprises an elastic plate and a fixing plate, wherein the elastic plates are fixed on the connecting rods; one end part of each elastic plate is connected to the fixing plate in a sliding mode; each fixing plate butts against the lithium ion battery.
Description
Technical field
The utility model relates to a kind of structure of lithium ion battery, relates in particular to the lithium ion battery group that has improved radiating effect.
Background technology
Lithium ion battery group comprises multiple lithium cells, and it can be in the environment of the frequent vibrations such as automobile, and the syndeton between lithium cells must possess certain shock resistance.
200710148244.4 disclose a kind of isolated area partition type dynamic battery structure, and support body and sliver can provide multiple installation positions, and this installation position is for separate installation battery.This battery pack structure can ensure that electric power does not interrupt, but is rigidly connected between battery, and anti seismic efficiency is poor.
201210186712.8 disclose a kind of lithium ion battery group, and this battery pack comprises: the battery of a plurality of series connection, is extended with respectively anode ear, negative electrode lug in the first width end of each battery, the top alignment of the first width end of each battery; Between the negative electrode lug of the anode ear of the first battery and the second battery, be fixedly connected with metal tape, anode ear, negative electrode lug are respectively by each width end outward, the end of anode ear, negative electrode lug and metal tape are co-located at space between the first battery and the mutual stacked right opposite of the second battery, metal tape position doubling between the first battery and the second battery, anode ear and negative electrode lug are mutually stacked.Between the lithium ion cell polar ear of this structure, connect fasteningly, but be unfavorable for equally antidetonation.
201180067499.2 the battery pack the present invention relates to, that multiple monocells that discharge and recharge are connected in series and the battery pack that forms, it has multiple monocells, described monocell possesses the electrode body of flat pattern and accommodates this electrode body and electrolytical container, the electrode body of described flat pattern possesses positive pole and negative pole, multiple monocells, at the flat horizontal surface that is aligned to electrode body relatively and along being restrained under the state of this orientation imposed load, in each monocell of being restrained, the spring constant for orientation of electrode body is below 10000kgf/mm.This case can improve the shock resistance of one side, and combined earthquake-resistant effect is limited.
Utility model content
The utility model proposes a kind of lithium ion battery group that has improved syndeton, it can improve the compound seismic capability of four sides of lithium ion battery.
The technical solution of the utility model is achieved in that
A kind of lithium ion battery group that has improved syndeton, it is characterized in that comprising: plural lithium ion battery, framework, multiple elastic device, described framework is hinged and is formed by four connecting rods, plural described lithium ion battery is positioned at described framework, described elastic device comprises elastic plate, fixed head, described elastic plate is connected on described connecting rod, and an end of described elastic plate is connected on described fixed head slidably, and described fixed head is resisted against on described lithium ion battery.
In this lithium ion battery group that has improved syndeton of the utility model, described connecting rod is provided with the first chute, described elastic plate is through this first chute, and described fixed head is provided with the second chute, and the described end of described elastic plate is arranged in this second chute.
In this lithium ion battery group that has improved syndeton of the utility model, described fixed head is provided with two the second chutes, and the two ends of described elastic plate are through respectively in two described the second chutes.
In this lithium ion battery group that has improved syndeton of the utility model, described lithium ion battery group also comprises a heat abstractor.
In this lithium ion battery group that has improved syndeton of the utility model, the hinge point of the connecting rod described at least two is provided with torque spring.
Implement utility model improvement the lithium ion battery group of syndeton, there is following beneficial effect: elastic device is arranged on the surrounding of lithium ion battery group, can allow the sub-different directions of lithium ion battery group to be offset.Framework is quadrilateral structure, can allow whole lithium ion battery group resilient bias.
Brief description of the drawings
Fig. 1 is the schematic diagram of lithium ion battery group of the present utility model;
Fig. 2 is the schematic diagram of the other direction of Fig. 1;
Fig. 3 is the cutaway view of Fig. 2;
Fig. 4 is the schematic diagram of the liquid flow path direction of lithium ion battery group of the present utility model;
Fig. 5 is the schematic diagram of lithium ion battery of the present utility model;
Fig. 6 is the schematic diagram at the A place of Fig. 5;
Fig. 7 is the schematic diagram under another state of Fig. 6;
Fig. 8 is the schematic diagram under the another state of Fig. 6.
Embodiment
Of the present utility model this lithium ion battery group as shown in Figures 1 to 4, comprises plural lithium ion battery 01, heat abstractor 02, antishock device 03.
Described heat abstractor 02 comprises two liquid inlet assemblages 021, multiple cooling unit 022 and a circulation assembly 023, described liquid inlet assemblage 021 comprises orthogonal the first feed liquor plate 0211 and the second feed liquor plate 0212, described cooling unit 022 comprises orthogonal the first coldplate 0221, the second coldplate 0222 and three coldplate 0223 vertical with described the second coldplate 0222, and circulation assembly 023 is a straight plate object.The first feed liquor plate 0211, the second feed liquor plate 0212, the first coldplate 0221, the second coldplate 0222 are equipped with many grooves, and each groove is all used to form fluid course.Described the first feed liquor plate 0211 fastens mutually with described circulation assembly 023, and its inner groovy interconnects, composition first passage 001; Described the second feed liquor plate 0212 fastens mutually with described the first coldplate 0221, and its inner groovy interconnects, composition second channel 002; Described the second coldplate 0222 fastens mutually with described circulation assembly 023, and its inner groovy interconnects, composition third channel 003; Described the 3rd coldplate 0223 fastens mutually with the first coldplate 0221 of cooling unit 022 described in another, and its inner groovy interconnects, composition four-way 004.Described first passage 001, second channel 002 and third channel 003 connect successively, and third channel 003 is connected to four-way 004, successively circulation.Described first passage 001 and/or second channel 002 and/or third channel 003 are Z-shaped.Z circulation structure can extend circulation length, improves radiating effect.
Described the first feed liquor plate 0211 and the second feed liquor plate 0212 form the first installation cavity, and the first coldplate 0221, the second coldplate 0222 form the second installation cavity, and the lithium ion battery 01 of at least one is arranged in described the first installation cavity and/or the second installation cavity.Heat abstractor can be realized high efficiency heat radiation, and lithium ion battery is fixed on heat abstractor, and heat abstractor is pressed close in multiple positions, good heat dissipation effect.Heat dissipation channel is made up of multiple plate objects, easy for installation.Lithium ion battery is directly fixed in installation cavity, and installation process is simple.
Described antishock device 03 comprises framework 031, multiple elastic device 032, plural described lithium ion battery 01 is positioned at described framework 031, described framework 031 is hinged and is formed by four connecting rods 0311, the articulated section 0312 that every two connecting rods are 0311 is provided with torque spring, this torque spring can ensure, after connecting rod 0311 angular deflection, can return to initial angle.Described connecting rod 0311 is provided with the first chute 0313, and described fixed head 0322 is provided with the second chute 0323.This first chute 0313 and the second chute 0323 form by the envelope plate of inwardly turnover.Described elastic device 032 comprises elastic plate 0321, fixed head 0322, and described elastic plate 0321 is warp architecture, and its middle part and two ends are tabular.The middle part of this elastic plate 0321 is connected on described connecting rod 0311, and through the first chute 0313, the two ends of described elastic plate 0321 are through respectively in two described the second chutes 0323.Fixed head 0322 is tabular, and it is attached to side or the front of lithium ion battery 01.
In the time that lithium ion battery 01 pushes fixed head 0322, elastic plate 0321 extrusion, its elastic restoring force can be pushed into initial position by lithium ion battery 01 again.Framework 031 allows lithium ion battery 01 to receive the distortion in bight, and the recovery of this distortion can be the torque spring of elastic plate 0321 or articulated section 0312.Elastic device 032 is arranged on the surrounding of lithium ion battery group, can allow the sub-different directions of lithium ion battery 01 to be offset.Framework 031 is quadrilateral structure, can allow whole lithium ion battery 01 resilient bias.
The lithium ion battery 01 of one of them is connected with another lithium ion battery 01 by wire 011.The lithium ion battery of this change electrode tab connection structure of the present utility model, comprising: battery case 10, cover plate 20, two electrodes are drawn assembly 40, electrode assemblie 30.
Battery case 10 can be plastic casing, and battery case 10 has an electrolyte chamber 11, in this electrolyte chamber 11, has electrolyte.In described electrolyte chamber 11, be provided with a baffle plate 12.This battery case is provided with air vent hole 13 and location hole 14, and described location hole 14 is positioned at the side away from described electrolyte chamber 11 of described air vent hole 13.Described air vent hole 13 is taper, and the large end of this air vent hole 13 is near described location hole 14.
Described cover plate 20 is fixed on this battery case 10, and it can adopt the mode of laser welder.Described cover plate has multiple reference columns 21, and the end of this reference column 21 withstands on described baffle plate 12.Cover plate 20 is fixed on battery case 10 and can baffle plate 12 be fixed up simultaneously.Rubber sleeve 15 on baffle plate can seal the gap between lug and baffle plate 12, and can prevent lug overbending and rupture.
The electrode of at least one is drawn assembly 40 and is comprised nut 41, screw rod 42, protective circuit plate 43; described nut 41 connects the upper end of described screw rod 42; described screw rod 42 inserts described cover plate 20, and described screw rod 42 is through described protective circuit plate 43, and the lower end of this screw rod 42 is provided with a large end 44.The nut 41 in outside, large end 44 are worn together cover plate 20 and protective circuit plate 43.This large end 44 can be large circle or square plate.One of them electrode is drawn assembly 40 for connecting anode electrode 31, and another electrode is drawn assembly 40 for connecting negative electrode 32.
Described electrode assemblie 30 is positioned at described electrolyte chamber 11, this electrode assemblie 30 is at least made up of anode electrode 31, negative electrode 32 and demarcation strip 33, described demarcation strip 33 is between described anode electrode 31 and negative electrode 32, and described anode electrode 31 and negative electrode 32 have lug 34.Described lug 34 is enclosed within on described screw rod 42, and described lug 34 passes from described baffle plate 12, and this lug 34 is between described protective circuit plate 43 and described large end 44.With regard to the present embodiment, only the lug 34 of one of them is carefully stated.Rotating nut 41, screw rod 42 moves upward, and then protective circuit plate 43 and lug 34 are fixed up, because screw rod 42 has conductivity, ensure lug 34 by current delivery to screw rod 42 and protective circuit plate 43.Lug 34 is directly fixed by nut 41, simple in structure.Lug 34 connecting lengths are short, can improve capacity.
Described explosion-proof assembly 50 comprises Tapered Cup 51, spring 52, nail thorn 53, nut 54 and rupture pressure disc 55.When Tapered Cup 51 is withstood air vent hole, can seal cover air vent hole 13, the maximum gauge of described Tapered Cup 51 is greater than the maximum gauge of described air vent hole 13.On the conical surface of Tapered Cup 51, there is elastic washer 511, for improving sealing effectiveness.Described Tapered Cup 51 is connected to described nut 54 by described spring 52, and this spring 52 can be loudspeaker spring 52.Described nut 54 has a through hole 541 and more than one lateral orifices 542, and described location hole 14 is coaxial with described through hole 541, and described lateral orifices 542 is looped around around described through hole 541.Described rupture pressure disc 55 covers on described through hole 541, and this rupture pressure disc 55 can be made of aluminum.Described nail thorn 53 is fixed on the bottom of described Tapered Cup 51.Described nail thorn 53 is made up of canned paragraph 531 and extension 532, and the end of described extension 532 is acute angle, and canned paragraph 531 is arranged on the bottom of Tapered Cup 51, and extension 532 stretches to rupture pressure disc 55.Described rupture pressure disc 55 is positioned at the below of described Tapered Cup 51, and when described spring 52 is during in maximum compressibility, described nail thorn 53 is through described rupture pressure disc 55.
In the time that battery case 10 internal pressures increase gradually, Tapered Cup 51 is open, gradually pressure release.In the time that internal pressure increases rapidly, Tapered Cup 51 is pushed open rapidly, and displacement is larger, can puncture rupture pressure disc 55, reaches the object of rapid pressure release.Can regulating nut 54 screw in the degree of depth of location hole 14, for the pretightning force of regulating spring 52, change to reach the critical pressure that Tapered Cup 51 is backed down.Meanwhile, the length of nail thorn 53, can be for regulating the critical pressure that punctures rupture pressure disc 55.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (5)
1. improved the lithium ion battery group of syndeton for one kind, it is characterized in that comprising: plural lithium ion battery, framework, multiple elastic device, described framework is hinged and is formed by four connecting rods, plural described lithium ion battery is positioned at described framework, described elastic device comprises elastic plate, fixed head, described elastic plate is connected on described connecting rod, an end of described elastic plate is connected on described fixed head slidably, and described fixed head is resisted against on described lithium ion battery.
2. the lithium ion battery group that has improved syndeton according to claim 1, it is characterized in that, described connecting rod is provided with the first chute, and described elastic plate is through this first chute, described fixed head is provided with the second chute, and the described end of described elastic plate is arranged in this second chute.
3. the lithium ion battery group that has improved syndeton according to claim 1, is characterized in that, described fixed head is provided with two the second chutes, and the two ends of described elastic plate are through respectively in two described the second chutes.
4. the lithium ion battery group that has improved syndeton according to claim 1, is characterized in that, described lithium ion battery group also comprises a heat abstractor.
5. the lithium ion battery group that has improved syndeton according to claim 1, is characterized in that, the hinge point of the connecting rod described at least two is provided with torque spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014122.1U CN203787483U (en) | 2014-01-10 | 2014-01-10 | Lithium ion battery pack with improved connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014122.1U CN203787483U (en) | 2014-01-10 | 2014-01-10 | Lithium ion battery pack with improved connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787483U true CN203787483U (en) | 2014-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014122.1U Expired - Fee Related CN203787483U (en) | 2014-01-10 | 2014-01-10 | Lithium ion battery pack with improved connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639912A (en) * | 2020-12-16 | 2022-06-17 | 广东博智林机器人有限公司 | Battery compartment |
-
2014
- 2014-01-10 CN CN201420014122.1U patent/CN203787483U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114639912A (en) * | 2020-12-16 | 2022-06-17 | 广东博智林机器人有限公司 | Battery compartment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140820 Termination date: 20170110 |
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| CF01 | Termination of patent right due to non-payment of annual fee |