CN203787516U - Lithium ion battery and lithium ion battery pack - Google Patents
Lithium ion battery and lithium ion battery pack Download PDFInfo
- Publication number
- CN203787516U CN203787516U CN201420014147.1U CN201420014147U CN203787516U CN 203787516 U CN203787516 U CN 203787516U CN 201420014147 U CN201420014147 U CN 201420014147U CN 203787516 U CN203787516 U CN 203787516U
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- China
- Prior art keywords
- lithium ion
- ion battery
- electrode
- metallic rod
- plate
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a lithium ion battery and a lithium ion battery pack. The lithium ion battery comprises a battery shell, electrode assemblies, a cover plate and other structures. The lithium ion battery pack 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; 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 connected to 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 lithium ion battery and lithium ion battery group, and it is mainly using lithium ion as medium transmission electric energy.
Background technology
200780019245.7(101454925B) lithium secondary battery that a kind of fail safe and capacity improve is disclosed, this case is in this application as a reference.This lithium secondary battery has electrode assemblie, this electrode assemblie is that multiple electrodes are stacking, multiple demarcation strips are placed in respectively between these electrode assemblies, multiple lugs are linked together by a syndeton, this electrode assemblie is arranged in battery container, the region of lug coupling electrode lead-in wire is positioned at the upper area of contact conductor, and lug and contact conductor are in twice bending of this upper area, to dwindle the length of coupling unit.In this case, the space of the sidepiece of sweep is not well utilized.
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.
Utility model content
The utility model proposes a kind of lithium ion battery and lithium ion battery group, it can solve the defect that existing capacity of lithium ion battery is little, be unfavorable for antidetonation.
The technical solution of the utility model is achieved in that
A kind of lithium ion battery, it is characterized in that comprising: battery case, cover plate, electrode assemblie, two electrodes are drawn assembly, wherein, this battery case has an electrolyte chamber, described battery case is provided with Metallic rod and insulating trip, described Metallic rod is fixed on the side of described battery case, and described insulating trip is enclosed within this Metallic rod; Described cover plate is fixed on this battery case, and described cover plate is provided with a container cavity, is provided with a protective circuit plate in described container cavity, and described Metallic rod stretches into this container cavity, and the end of this Metallic rod is connected to described protective circuit plate; Described electrode assemblie is positioned at described electrolyte chamber, this electrode assemblie is at least made up of anode electrode, negative electrode and demarcation strip, described demarcation strip is between described anode electrode and negative electrode, and described anode electrode and/or negative electrode have lug, and this lug is enclosed within described Metallic rod; The described electrode of at least one is drawn assembly and is at least comprised a screw rod, and this screw rod is arranged on described cover plate, and the lower end of described screw rod is connected to described lug.
In this lithium ion battery of the present utility model, described electrode is drawn assembly and is also comprised that one tiltedly carves, described tiltedly carving is enclosed within described Metallic rod, the described both sides that are divided into described lug with described insulating trip of tiltedly carving, described tiltedly carving has a lead-in chamfered, and described screw rod slides and pushes along this lead-in chamfered and describedly tiltedly carves.
A kind of lithium ion battery group, it is characterized in that comprising: plural described 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 of the present 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: container cavity can be by protective circuit plate side, reduce space hold.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 of the present utility model;
Fig. 2 is the partial view of Fig. 1, has saved part-structure in figure;
Fig. 3 is the partial view at a place of Fig. 1;
Fig. 4 is the schematic diagram of the preventing bursting cap of Fig. 3;
Fig. 5 is the partial view at another place of Fig. 1;
Fig. 6 is the schematic diagram of the supporting bracket of Fig. 5, the position that in figure, dotted line part bit representation is fixed by cover plate;
Fig. 7 is the schematic diagram of lithium ion battery group of the present utility model;
Fig. 8 is the schematic diagram of the other direction of Fig. 7;
Fig. 9 is the cutaway view of Fig. 8;
Figure 10 is the schematic diagram of the liquid flow path direction of lithium ion battery group of the present utility model.
Embodiment
As shown in Figures 1 to 6, lithium ion battery of the present utility model, it comprises: battery case 10, cover plate 20, electrode assemblie 30, two electrodes are drawn assembly 40, black box 50 and explosion-proof assembly 60.
Battery case 10 can be plastic casing, and battery case 10 has an electrolyte chamber 11, in this electrolyte chamber 11, has electrolyte.Described battery case 10 is provided with in two Metallic rod 12(figure and only shows one of them) and insulating trip 13, Metallic rod 12 can adopt copper or aluminium to make.Described Metallic rod 12 is fixed on the side of described battery case 10, and described insulating trip 13 is enclosed within this Metallic rod 12.Insulating trip 13 leans against the side of battery case 10, and its Main Function is isolated lug 34 and the contacting of battery case 10.This battery case 10 is provided with the explosionproof hole 14 of at least one, has an annular boss 15 in this explosionproof hole 14.
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, described anode electrode 31 and negative electrode 32 have lug 34, and this lug 34 is enclosed within respectively in described Metallic rod 12.With regard to the present embodiment, only the lug 34 of one of them is carefully stated.
Described cover plate 20 is fixed on this battery case 10, and it can adopt the mode of laser welder.Described cover plate 20 is provided with a container cavity 21, and this container cavity 21 is positioned at a side of cover plate 20, and a side of battery case 10 is against container cavity 21.Apparent, the top out-of-flatness of this battery case 10, a side of close container cavity 21 is lower than the side that Metallic rod 12 is set.In described container cavity 21, be provided with a protective circuit plate 22, seal cover 23 covers on this container cavity 21.Container cavity 21 has a through hole 24, and described Metallic rod 12 is passed through hole 24, and stretches into this container cavity 21, and Metallic rod 12 be tightly connected by preferred employing with this.The end of this Metallic rod 12 is connected to protective circuit plate 22, and Metallic rod 12 connects protective circuit plate 22 and lug 34 as intermediate member.On described cover plate 20, have a taper liquid injection hole 25, a side of the close electrolyte chamber of this taper liquid injection hole 25 is large end.One side of the close described battery case 10 of this cover plate 20 is provided with a location notch 26, and this location notch 26 can form a spatial accommodation with the end face of battery case 10.Described cover plate 20 is rectangle, and described location notch 26 correspondences are arranged on the position, right angle of described cover plate 20, and location notch 26 is also rectangular-shaped, to increase support degree.Described cover plate 20 has a draw-in groove 27, and described supporting bracket 51 stretches in this draw-in groove 27.Draw-in groove 27 and the common supporting bracket 51 that limits of location notch 26.
Electrode is drawn assembly and is comprised that anode electrode is drawn assembly and negative electrode is drawn assembly.Anode electrode is drawn assembly 40 and is comprised screw rod 41, tiltedly carves 42.Cover plate 20 is provided with screwed hole, and this screwed hole inner sleeve has a sealing shroud 46.This screw rod 41 is through sealing cover 46, and for ensureing sealing, auxiliary seal cover 44 is enclosed within on this screw rod 41, and by nut 45 pressure holdings.The lower end of described screw rod 41 is connected to described lug 34.Describedly tiltedly carve 42 and be enclosed within described Metallic rod 12, describedly tiltedly carve 42 and be divided into the both sides of described lug 34 with insulating trip 13, describedly tiltedly carve 42 and have a lead-in chamfered 43, described screw rod 41 slides and pushes along this lead-in chamfered 43 and describedly tiltedly carves 42.Tiltedly carve 42 and can adopt electric conducting material, to ensure the electric connection of screw rod 41 and lug 34.
Described explosion-proof assembly 60 is made up of rupture pressure disc 61, sealing ring 62 and preventing bursting cap 63.Described rupture pressure disc 61 is arranged in described explosionproof hole 14 and is attached on described annular boss 15.Rupture pressure disc 61 can be circular, its diameter is less than the internal diameter of described explosionproof hole 14 and is greater than the internal diameter of annular boss 15.It can common aluminium film, and thickness is established according to explosion-proof air pressure.Described sealing ring 62 is arranged on described rupture pressure disc 61, and sealing circle 62 is elastic washer, conventionally seals.Described preventing bursting cap 63 has multiple air vent holes 66, and described preventing bursting cap 63 is fixed in described explosionproof hole 14, extends multiple pressing parts 64 on this preventing bursting cap 63, and this pressing part 64 withstands on described sealing ring 62.Described pressing part 64 is provided with multiple screens platforms 65, is provided with multiple screens grooves 16 in described explosionproof hole 14, and described screens platform 65 is arranged in described screens groove.The structure of pressing part 64 can be annular, specifically cuts out multiple cannelures from the annular side of preventing bursting cap 63 and forms, and the pressing part 64 of this structure can inwardly shrink, and when elasticity is recovered, screens platform 65 blocks screens groove 16.
Described black box 50 is made up of supporting bracket 51, spring 52 and sealing cone 53, and described supporting bracket 51 is provided with multiple perforation 54, and this perforation 54 contributes to the inflow of electrolyte.Supporting bracket 51 is inserted described location notch 26 and draw-in groove 27.Described sealing cone 53 is arranged in described taper liquid injection hole 25, and the shape of sealing cone 53 is identical with taper liquid injection hole 25, and its large end is corresponding to the large end of taper liquid injection hole 25.Sealing cone 53 can adopt rubber to make.One end of described spring 52 is connected in described supporting bracket 51, and the other end withstands on described sealing cone 53.Spring 52 can be annular or shell fragment shape.The upper end of described sealing cone 53 is provided with multiple breach 55, and this breach 55 contributes to introduce electrolyte.The top of described sealing cone 53 has a weld layer, and weld layer (not shown) plays further sealing function, and its thickness is less, conveniently scrapes off, to reseal.
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 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 (4)
1. a lithium ion battery, it is characterized in that comprising: battery case, cover plate, electrode assemblie, two electrodes are drawn assembly, wherein, this battery case has an electrolyte chamber, described battery case is provided with Metallic rod and insulating trip, described Metallic rod is fixed on the side of described battery case, and described insulating trip is enclosed within this Metallic rod; Described cover plate is fixed on this battery case, and described cover plate is provided with a container cavity, is provided with a protective circuit plate in described container cavity, and described Metallic rod stretches into this container cavity, and the end of this Metallic rod is connected to described protective circuit plate; Described electrode assemblie is positioned at described electrolyte chamber, this electrode assemblie is at least made up of anode electrode, negative electrode and demarcation strip, described demarcation strip is between described anode electrode and negative electrode, and described anode electrode and/or negative electrode have lug, and this lug is enclosed within described Metallic rod; The described electrode of at least one is drawn assembly and is at least comprised a screw rod, and this screw rod is arranged on described cover plate, and the lower end of described screw rod is connected to described lug.
2. lithium ion battery according to claim 1, it is characterized in that, described electrode is drawn assembly and is also comprised that one tiltedly carves, described tiltedly carving is enclosed within described Metallic rod, the described both sides that are divided into described lug with described insulating trip of tiltedly carving, described tiltedly carving has a lead-in chamfered, and described screw rod slides and pushes along this lead-in chamfered and describedly tiltedly carves.
3. a lithium ion battery group, it is characterized in that comprising: lithium ion battery, framework, multiple elastic device described in plural claim 1, 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.
4. lithium ion battery group according to claim 3, 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 |
|---|---|---|---|
| CN201420014147.1U CN203787516U (en) | 2014-01-10 | 2014-01-10 | Lithium ion battery and lithium ion battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420014147.1U CN203787516U (en) | 2014-01-10 | 2014-01-10 | Lithium ion battery and lithium ion battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787516U true CN203787516U (en) | 2014-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420014147.1U Expired - Fee Related CN203787516U (en) | 2014-01-10 | 2014-01-10 | Lithium ion battery and lithium ion battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787516U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058113A (en) * | 2016-08-15 | 2016-10-26 | 贵州众智达系统新能源股份有限公司 | Explosion-proof electric core bracket |
-
2014
- 2014-01-10 CN CN201420014147.1U patent/CN203787516U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058113A (en) * | 2016-08-15 | 2016-10-26 | 贵州众智达系统新能源股份有限公司 | Explosion-proof electric core bracket |
| CN106058113B (en) * | 2016-08-15 | 2018-08-21 | 贵州众智达系统新能源股份有限公司 | A kind of explosion-proof battery core bracket |
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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 |