CN204441345U - A kind of lithium ion battery box - Google Patents
A kind of lithium ion battery box Download PDFInfo
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- CN204441345U CN204441345U CN201420767237.8U CN201420767237U CN204441345U CN 204441345 U CN204441345 U CN 204441345U CN 201420767237 U CN201420767237 U CN 201420767237U CN 204441345 U CN204441345 U CN 204441345U
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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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Abstract
A kind of lithium ion battery box, comprise battery case body and be installed in some groups of batteries in parallel connection groups of battery case chamber body, battery case body comprises the metal top cover and metal lower cover that mutually fasten and form cavity volume, the inner surface of metal lower cover and metal top cover all posts the phase-change material pad pasting that a piece can be inhaled thermal discharge, batteries in parallel connection group and described phase-change material pad pasting close contact.The utility model has the advantage of: 1) adopt the phase-change material that thermal capacitance is higher, can absorb and release more heat, ensure that the variations in temperature of battery is less, effectively control the temperature of battery.2) damping performance is excellent, and phase-change material presents immobilising thick, effectively can absorb the vibration from car load; And there is no liquid fluidity and leakage problem.3) lithium ion battery box adopts metal stamping to form, good heat conductivity and more firm than plastic material, durable.4) installation and maintenance is convenient, and be easy to processing, cost is low.
Description
Technical field
The utility model relates to battery temperature control technique field, particularly relates to a kind of lithium ion battery box.
Background technology
Along with expanding economy, automobile has become people and to have gone on a journey the indispensable vehicles.The development of orthodox car can cause some problems, and if motor vehicle emission is to environment, petroleum resources consume etc. in a large number.Compared to orthodox car, pure electric automobile does not discharge, and does not consume petroleum again, is the direction of following long-run development.
Battery pack is the core component of electric automobile, and battery pack is formed by more monomer battery core serial or parallel connection.Because electric automobile during traveling situation is complicated, can more heat transfer be produced in battery use procedure, internal temperature of battery is sharply raised, if heat can not discharge in time or absorb, the inconsistency of battery is widened, and the useful life of battery can sharply reduce, and even causes potential safety hazard.Electric automobile has the characteristic of often carrying out acceleration and retarded motion simultaneously, and travel in different regions, travel road conditions more complicated, ambient temperature difference is large, these all require that electrokinetic cell has good temperature adjusting function, and have firmly and the feature of antidetonation, therefore when power brick design, the battery core of composition power brick first should have temperature control, reliably, the multiple advantage such as firm and shock resistance.The battery system of current domestic design is all made up of multiple battery module, and the battery cell of comprising modules, general employing plastic casing or aluminum hull packaging, though have that quality is light, an advantage such as low price and resisting salt fog corrosion, but its heat dispersion is poor, the temperature of battery can not regulate automatically, the outside air-cooled or liquid-cooling heat radiation of dependence that can only be passive.Wind-cooling heat dissipating low cost, simplicity of design, the advantages such as the construction cycle is short, but water resistance is poor, radiating effect is poor, and battery system internal difference in temperature is large, the consistency of battery temperature is poor, brings potential safety hazard to electric motor car, and the life-span of battery is affected by the external environment larger simultaneously.Utilize liquid cooling equipment, effectively can control the temperature of battery system inside, battery system internal temperature consistency is better, is conducive to improving the life-span of battery system and the use region of car load, but liquid cooling system complex structure, design and proving period long, construction cycle is longer, and cost is higher, causes the use cost of power brick to rise, economic performance declines, and is the bottleneck of restriction Development of Electric Vehicles.Be badly in need of that design is a kind of has battery temperature control performance and firmly and the battery core temperature-control structure that has concurrently of shock resistance.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provides a kind of lithium ion battery box to solve the problem of battery system internal temperature instability.
For solving the problems of the technologies described above, the technical scheme that the utility model proposes is: a kind of lithium ion battery box, comprise battery case body and be installed in some groups of batteries in parallel connection groups of battery case chamber body, described battery case body comprises the metal top cover and metal lower cover that mutually fasten and form cavity volume, the inner surface of described metal lower cover and metal top cover all posts the phase-change material pad pasting that a piece can be inhaled thermal discharge, described batteries in parallel connection group and described phase-change material pad pasting close contact.When battery operated generation heat makes battery pack temperature raise, phase-change material pad pasting absorbs heat thus keeps the stable of battery operating temperature.
Above-mentioned lithium ion battery box, preferably, described phase-change material pad pasting comprises heat conductive silica gel tack coat and phase-change material storage layer, be packaged with primarily of the immobilising thick phase-change material with the sodium sulphate of the crystallization water, paraffin, foam copper particle and polyacrylamide gel composition in described phase-change material storage layer, phase-change material pad pasting is bonded in the inner surface of metal top cover or metal lower cover by described heat conductive silica gel tack coat, and described batteries in parallel connection group directly contacts with phase-change material storage layer.
Above-mentioned lithium ion battery box, preferably, in described batteries in parallel connection group adjacent two pieces of battery cells positive electrode between and be provided with one piece of slide block between negative electrode, the body contacts of slide block side and battery cell, slide block opposite side is provided with two screwed holes, described positive electrode and negative electrode are equipped with electrode hole, and positive electrode and negative electrode are fixedly connected on slide block by the bolt be arranged in electrode hole and screwed hole, to prevent battery cell electrode deformation after corresponding slide block bending.
Above-mentioned lithium ion battery box, preferably, described metal top cover and metal lower cover are the cuboid channel-shaped with cavity volume, and two long limits of metal top cover are provided with waist-shaped hole, and two long limits of metal lower cover are provided with waist type boss; Described metal top cover is fastened on the waist type boss of metal lower cover by waist-shaped hole; Two minor face relative positions of metal top cover and metal lower cover are equipped with U-shaped breach, described in be connected with the positive electrode of slide block and negative electrode passes described U-shaped breach.
Above-mentioned lithium ion battery box, preferably, described be connected with slide block positive electrode and negative electrode be sheathed in the through hole of an I-shaped plastic insulation block respectively, described plastic insulation block is connected on the U-shaped breach of metal top cover and metal lower cover by the draw-in groove at I-shaped middle part, conducts electricity to prevent battery cell electrode and lithium ion battery box.
Above-mentioned lithium ion battery box, preferably, described batteries in parallel connection group comprises more than the two pieces battery cells lain in overlapped way in parallel in metal lower cover, is closely fitted with thermal conductive silicon glue-line between adjacent two pieces of battery cells.
Above-mentioned lithium ion battery box, preferably, described metal top cover and metal lower cover are aluminium alloy stamped part.
Compared with prior art, the utility model has the advantage of: 1) adopt the phase-change material that thermal capacitance is higher, can absorb and release more heat, ensure that the variations in temperature of battery is less, effectively control the temperature of battery.2) damping performance is excellent, and phase-change material presents immobilising thick, effectively can absorb the vibration from car load; And there is no liquid fluidity and leakage problem.3) lithium ion battery box adopts metal stamping to form, good heat conductivity and more firm than plastic material, durable.4) installation and maintenance is convenient, and be easy to processing, cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of metal top cover in the utility model.
Fig. 2 is the structural representation of metal lower cover in the utility model.
Fig. 3 is the structural representation of slide block in the utility model.
Fig. 4 is the structural representation of battery cell in the utility model.
Fig. 5 is lithium ion battery box sectional structure schematic diagram in the utility model embodiment.
Fig. 6 is the structural representation of lithium ion battery box in the utility model embodiment.
Fig. 7 is the structural representation of plastic insulation block in the utility model.
Marginal data
1, metal top cover; 2, metal lower cover; 3, battery cell; 4, waist-shaped hole; 5, waist type boss; 6, positive electrode; 7, negative electrode; 8, slide block; 9, plastic insulation block; 10, groove; 11, screwed hole; 12, electrode hole; 13, phase-change material pad pasting; 14, thermal conductive silicon glue-line; 15, phase-change material storage layer; 16, tack coat; 17, through hole; 18, U-shaped breach.
Embodiment
For the ease of understanding the utility model, hereafter will do to describe more comprehensively, meticulously to the utility model in conjunction with Figure of description and preferred embodiment, but protection range of the present utility model is not limited to following specific embodiment.
It should be noted that, when a certain element is described on " be fixed on, be fixed in, be connected to or be communicated in " another element, it can be directly fixing, affixed, connect or be communicated with on another element, also can be by other intermediate connectors indirectly fixing, affixed, connection or connection on another element.
Unless otherwise defined, hereinafter used all technical terms are identical with the implication that those skilled in the art understand usually.The object of technical term used herein just in order to describe specific embodiment is not be intended to limit protection range of the present utility model.
Embodiment
A kind of lithium ion battery box as shown in Fig. 1-Fig. 7, comprise metal top cover 1 and the metal lower cover 2 of aluminium alloy punching press making, metal top cover 1 and metal lower cover 2 are connected to form battery sylphon, the battery cell 3 that battery sylphon inside has some modes stacked with parallel connection to keep flat, fits tightly with thermal conductive silicon glue-line 14 between adjacent two pieces of battery cells 3.The inner surface of metal lower cover 2 and metal top cover 1 all posts the phase-change material pad pasting 13 that a piece can be inhaled thermal discharge, phase-change material pad pasting 13 comprises a tack coat be made up of heat conductive silica gel binding agent 16 and a phase-change material storage layer 15 be made up of flame-retardant silicone rubber, phase-change material sealing is installed in phase-change material storage layer 15, and phase-change material storage layer 15 is bonded in the inner surface of metal lower cover 2 or metal top cover 1 by tack coat 16; Battery cell 3 and phase-change material storage layer 15 close contact.The thermal capacitance of phase-change material is high, can absorb and release more heat, ensures that the variations in temperature of battery is little, effectively controls the temperature of battery.
In the present embodiment, phase-change material is primarily of with the sodium sulphate of the crystallization water, paraffin, foam copper particle and polyacrylamide gel composition; Phase-change material is positioned at storage layer inside, and its shape can change with storage layer interior shape, presents immobilising viscous pasty state.Therefore there is not liquid fluidity and leakage problem; And the vibration that can effectively absorb from car load.
In the present embodiment, metal top cover 1 and metal lower cover 2 are the cuboid channel-shaped with cavity volume, and two long limits of metal top cover 1 are respectively provided with two waist-shaped holes 4, and two relevant positions, long limit of metal lower cover 2 are respectively provided with two waist type boss 5; Metal top cover 1 is fastened on metal lower cover 2 by waist-shaped hole 4 and waist type boss 5.Two minor face relative positions of metal top cover 1 and metal lower cover 2 are equipped with U-shaped breach 18.
In the present embodiment, one piece of slide block 8 is provided with between the positive electrode 6 of adjacent two pieces of battery cells 3 and between negative electrode 7, slide block 8 is in rectangular-shaped, and it can be metal derby or resistant to elevated temperatures nonmetal block, is preferably tetrafluoro plate or has material that is high temperature resistant equally and insulation; Slide block 8 is provided with two screwed holes 11.Positive electrode 6 and the electrode hole 12 negative electrode 7 is provided with for being fixedly connected with of battery cell 3, the positive electrode 6 of battery cell 3 or negative electrode 7 are fixedly connected on slide block 8 by bolt and screwed hole 11, to prevent the electrode deformation of battery cell 3.In the present embodiment, conduct electricity for preventing electrode and metal case, the electrode sleeve being connected with slide block 8 is located in the through hole 17 at I-shaped plastic insulation block 9 center, plastic insulation block 9 is connected on the U-shaped breach 18 on metal lower cover 2 minor face by the groove 10 of arranged outside, and spacing by the little block that metal top cover 1 minor face is arranged.The material of plastic insulation block 9 is preferably tetrafluoro plate or has material that is high temperature resistant equally and insulation.
Claims (7)
1. a lithium ion battery box, comprise battery case body and be installed in some groups of batteries in parallel connection groups of battery case chamber body, it is characterized in that: described battery case body comprises the metal top cover (1) and metal lower cover (2) that mutually fasten and form cavity volume, the inner surface of described metal lower cover (2) and metal top cover (1) all posts the phase-change material pad pasting (13) that a piece can be inhaled thermal discharge, described batteries in parallel connection group and described phase-change material pad pasting (13) close contact.
2. lithium ion battery box according to claim 1, it is characterized in that: described phase-change material pad pasting (13) comprises heat conductive silica gel tack coat (16) and phase-change material storage layer (15), described phase-change material pad pasting (13) is bonded in the inner surface of metal top cover (1) or metal lower cover (2) by described heat conductive silica gel tack coat (16), and described batteries in parallel connection group directly contacts with phase-change material storage layer (15).
3. lithium ion battery box according to claim 2, it is characterized in that: in described batteries in parallel connection group adjacent two pieces of battery cells (3) positive electrode (6) between and be provided with one piece of slide block (8) between negative electrode (7), the body contacts of slide block (8) side and battery cell (3), slide block (8) opposite side is provided with two screwed holes (11), described positive electrode (6) and negative electrode (7) are equipped with electrode hole (12), positive electrode (6) and negative electrode (7) are fixedly connected on slide block (8) by the bolt be arranged in electrode hole (12) and screwed hole (11) after corresponding slide block (8) bending.
4. lithium ion battery box according to claim 3, it is characterized in that: described metal top cover (1) and metal lower cover (2) are the cuboid channel-shaped with cavity volume, two long limits of metal top cover (1) are provided with waist-shaped hole (4), and two long limits of metal lower cover (2) are provided with waist type boss (5); Described metal top cover (1) is fastened on the waist type boss (5) of metal lower cover (2) by waist-shaped hole (4); Two minor face relative positions of metal top cover (1) and metal lower cover (2) are equipped with U-shaped breach (18), described in be connected with the positive electrode (6) of slide block (8) and negative electrode (7) passes described U-shaped breach (18).
5. lithium ion battery box according to claim 4, it is characterized in that: described in be connected with the positive electrode (6) of slide block (8) and negative electrode (7) is sheathed in the through hole (17) of an I-shaped plastic insulation block (9) respectively, described plastic insulation block (9) is connected on the U-shaped breach (18) of metal top cover (1) and metal lower cover (2) by the draw-in groove at I-shaped middle part.
6. the lithium ion battery box according to any one of claim 1-5, it is characterized in that: described batteries in parallel connection group comprises more than the two pieces battery cells (3) lain in overlapped way in parallel in metal lower cover (2), is closely fitted with thermal conductive silicon glue-line (14) between adjacent two pieces of battery cells (3).
7. the lithium ion battery box according to any one of claim 1-5, is characterized in that: described metal top cover (1) and metal lower cover (2) are aluminium alloy stamped part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767237.8U CN204441345U (en) | 2014-12-09 | 2014-12-09 | A kind of lithium ion battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420767237.8U CN204441345U (en) | 2014-12-09 | 2014-12-09 | A kind of lithium ion battery box |
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| Publication Number | Publication Date |
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| CN204441345U true CN204441345U (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420767237.8U Active CN204441345U (en) | 2014-12-09 | 2014-12-09 | A kind of lithium ion battery box |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406017A (en) * | 2015-12-30 | 2016-03-16 | 苏州科纽普新能源科技有限公司 | Drawer type battery pack unit convenient to replace single battery plate |
| CN107482280A (en) * | 2017-09-12 | 2017-12-15 | 江苏道爵实业有限公司 | A kind of high efficiency and heat radiation accumulator plant used for electric vehicle |
| CN108886183A (en) * | 2016-04-01 | 2018-11-23 | A123系统有限责任公司 | Battery module and its method with cooling encapsulation material |
| CN109728214A (en) * | 2017-10-30 | 2019-05-07 | 湖南科技大学 | A kind of more material lightweight composite construction battery cases and preparation method thereof |
-
2014
- 2014-12-09 CN CN201420767237.8U patent/CN204441345U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105406017A (en) * | 2015-12-30 | 2016-03-16 | 苏州科纽普新能源科技有限公司 | Drawer type battery pack unit convenient to replace single battery plate |
| CN108886183A (en) * | 2016-04-01 | 2018-11-23 | A123系统有限责任公司 | Battery module and its method with cooling encapsulation material |
| CN108886183B (en) * | 2016-04-01 | 2022-05-10 | A123系统有限责任公司 | Battery module with heat dissipation packaging material and method thereof |
| CN107482280A (en) * | 2017-09-12 | 2017-12-15 | 江苏道爵实业有限公司 | A kind of high efficiency and heat radiation accumulator plant used for electric vehicle |
| CN109728214A (en) * | 2017-10-30 | 2019-05-07 | 湖南科技大学 | A kind of more material lightweight composite construction battery cases and preparation method thereof |
| CN109728214B (en) * | 2017-10-30 | 2021-08-13 | 湖南科技大学 | Multi-material light-weight composite-structure battery box and preparation method thereof |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 518054 building 6a, Qianhai enterprise residence, No. 63, Qianwan 1st Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong Patentee after: Shenzhen laowantong Network Co.,Ltd. Address before: 410000 No. 19, Lixiang East Road, Changsha Economic Development Zone, Hunan Province Patentee before: CHANGSHA ZOTYE AUTO INDUSTRY CO.,LTD. |