CN203536502U - Battery parallel module structure - Google Patents
Battery parallel module structure Download PDFInfo
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- CN203536502U CN203536502U CN201320449125.3U CN201320449125U CN203536502U CN 203536502 U CN203536502 U CN 203536502U CN 201320449125 U CN201320449125 U CN 201320449125U CN 203536502 U CN203536502 U CN 203536502U
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- battery
- cell
- modular structure
- parallel modular
- battery body
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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
The utility model discloses a battery parallel module structure which comprises a battery body and a metal casing, wherein battery electrode lugs are arranged at the two ends of the battery body; the metal casing covers the outer surface of the battery body. The battery parallel module structure is made of materials with high heat conductivity coefficients and good strength, and a heat-conducting sheet is arranged at the middle of the battery body, so that the battery heat at the middle of the battery body can be effectively radiated. Thus, the battery parallel module structure has a good heat radiating function and a good mechanical property.
Description
Technical field
The utility model belongs to electrokinetic cell system technical field of structures, is specifically related to a kind of cell parallel modular structure.
Background technology
Along with expanding economy, automobile has become people's indispensable vehicles of going on a journey.The development of orthodox car causes some problems, if motor vehicle exhaust emission is to environment, and a large amount of consumption of petroleum resources etc.Than orthodox car, pure electric automobile is not discharge not only, and does not consume petroleum, and is the direction of following long-run development.
Battery system is the power producer of electric automobile, is also the core component of electric automobile.It is to be combined with multi-form serial or parallel connection by a plurality of cells.Owing to can producing more heat transfer in battery use procedure, internal temperature of battery is raise, especially the module a plurality of cells being formed, temperature in module can rise sooner, if heat can not discharge in time, will strengthen the inconsistency of battery, and shorten the useful life of battery, even cause potential safety hazard.Electric Vehicles Driving Cycle is complicated simultaneously, and electric automobile has the characteristic of often accelerating with retarded motion, and at different road travelings, these all require electrokinetic cell bag to have fastness and shock resistance.Therefore when battery system design, the battery cell that forms battery system first should have heat radiation, reliably, the multiple feature such as firm and shock resistance.The battery system of domestic design is all comprised of a plurality of battery modules at present, and form the battery cell of module, generally adopt plastic casing packing, though have that quality is light, an advantage such as low price and resisting salt fog corrosion, but its heat dispersion is poor, intensity is not high, is prone to aging breaking, and even can cause the problems such as power brick internal short-circuit, to electric automobile, bring potential safety hazard, cause the use cost of power brick to rise, economic performance declines simultaneously, and these are all the bottlenecks of restriction Development of Electric Vehicles.
Therefore, urgent need design is in the market a kind of in the cell parallel modular structure of dispelling the heat, firm and shock resistance has concurrently.
Utility model content
It is poor that the purpose of this utility model is to solve in prior art heat dispersion, intensity is not high, the easy aging defect such as break, and complicated for Electric Vehicles Driving Cycle, and lithium ion battery own characteristic, designed a kind of perfect heat-dissipating, and firm and the strong cell parallel modular structure of shock resistance.
For achieving the above object, the utility model discloses a kind of cell parallel modular structure, comprising:
Battery body, the two ends of described battery body are provided with battery pole ear;
Metal shell, described metal shell covers the outer surface of described battery body.
Wherein, described battery body comprises: at least two straight lug battery cells and at least one folding lug battery cell, described straight lug battery cell stacks by positive and negative lug is relative in the same way successively up and down with described folding lug battery cell, and described folding lug battery cell overlays the top.
Wherein, further comprise: conducting strip, described conducting strip is arranged on the centre of described straight lug battery cell and described folding lug battery cell, and described conducting strip both sides are provided with heat-dissipating fin.
Wherein, described metal shell comprises:
Metal top cover, is provided with connection features on described metal top cover, in described upper connection features, is provided with at least one through hole;
Metal lower cover, covers under described metal and is provided with lower connection features, in described lower connection features, is provided with at least one boss;
Described metal top cover is blocked mutually and is connected with described boss by described through hole with described metal lower cover.
Wherein, described metal shell further comprises: collets, described collets are fastened on respectively the two ends of described metal shell.
Wherein, described collets comprise: plastics fastener and rectangular opening, described plastics fastener is arranged on the two ends of described rectangular opening.
Wherein, further comprise: welding block, described welding block is arranged on the two ends of described battery body, and it is connected by welding or riveting method with described battery pole ear.
The utility model discloses a kind of cell parallel modular structure, compared with prior art, adopt that conductive coefficient is high, the good material of intensity is as cell parallel modular structure, the intermediate cell monomer of battery body is provided with conducting strip, and this structure has the advantages such as rate of heat dispation is high, firm, durable, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model cell parallel modular structure.
Fig. 2 is the battery body structural representation of the utility model cell parallel modular structure.
Fig. 3 is the straight lug battery cell structural representation of the utility model cell parallel modular structure.
Fig. 4 is the folding lug battery cell structural representation of the utility model cell parallel modular structure.
Fig. 5 is the metal top cover structural representation of the utility model cell parallel modular structure.
Fig. 6 is the metal lower cover structure schematic diagram of the utility model cell parallel modular structure.
Fig. 7 is the conducting strip structural representation of the utility model cell parallel modular structure.
Fig. 8 is the welding block structural representation of the utility model cell parallel modular structure.
Fig. 9 is the plastic insulation block structure schematic diagram of the utility model cell parallel modular structure.
Figure 10 is the plastics fastener structural representation of the utility model cell parallel modular structure.
Embodiment
In conjunction with following specific embodiments and the drawings, the utility model is described in further detail.Implement process of the present utility model, condition, experimental technique etc., except the content of mentioning specially below, be universal knowledege and the common practise of this area, the utility model is not particularly limited content.
In Fig. 1 to Figure 10,1-battery body, 11-battery pole ear, the straight lug battery cell of 12-, 13-folding lug battery cell, 2-metal shell, 21-metal top cover, 211-through hole, the upper connection features of 212-, 22-metal lower cover, 221-boss, connection features under 222-, 23-collets, 231-plastics fastener, 232-rectangular opening, 3-conducting strip, 31-heat-dissipating fin, 4-welding block.
As shown in Figure 1, a kind of cell parallel modular structure of the utility model, comprises battery body 1 and metal shell 2, and metal shell 2 is coated on the outer surface of battery body 1.Wherein, as shown in Figures 2 to 4, battery body 1 comprises that two straight lug battery cells 12 and 13, three battery cells of a folding lug battery cell are all rectangle, by battery plus-negative plate ear, relatively stack up and down successively in the same way, folding lug battery cell 13 overlays the top.Battery body 1 in the present embodiment adopts flexible packing lithium ion battery, and battery body 1 also can be by four or four other above type cell monomer compositions, and its shape can be also other shape.As shown in Figure 5 and Figure 6, metal shell 2 comprises metal top cover 21 and metal lower cover 22, and metal top cover 21 and metal lower cover 22 are all rectangle.Metal top cover 21 4 limits are provided with connection features 212, in the upper connection features 212 on long limit, are respectively equipped with three through holes 211.Metal lower cover 22 4 limits are provided with lower connection features 222, in the lower connection features 222 on long limit, are respectively equipped with three boss 221.In the present embodiment, through hole 211 adopts waist typed through hole, and boss 221 adopts waist type boss, also can adopt other shape.Metal top cover 21 is blocked mutually and is connected with waist type boss by waist-shaped hole with metal lower cover 22, also can make to be otherwise connected and fixed metal upper and lower covers.
As shown in Figure 7, the conducting strip 3 in the utility model is rectangle, and adopts aluminium alloy or copper alloy, on its two long limits, is respectively arranged with four heat-dissipating fins 31, and the quantity of heat-dissipating fin 31 can be according to actual conditions adjustment.Conducting strip 3 is arranged between straight lug battery cell 12 and folding lug battery cell 13, and its shape can be also other shapes, as long as the heat in assurance battery body 1 can be derived by heat-dissipating fin 31.
As shown in Figure 8, welding block 4 integral body in the utility model are " U " font, adopt aluminium alloy or copper alloy.Two welding blocks 4 are separately positioned on battery pole ear 11 places of battery body 1, are connected with the lug of three battery cells, along contact-making surface, weld, and also can use riveted joint or other connected mode that three battery cells are together in parallel.
As shown in Figure 9, collets 2 rectangles in the utility model, adopt PC or employing to have material same high temperature resistant and insulation.In the middle of collets 23, is provided with rectangular opening 232, the battery pole ear 11 of the welding block 4 that makes to burn-on can pass collets 23, and it is used for preventing that battery pole ear 11 from contacting with metal shell 2.
As shown in figure 10, the plastics fastener 231 in the utility model is totally rectangle, on one side it caves inward.Plastics fastener 231 adopts material high temperature resistant and insulation, and the two ends that it is arranged on rectangular opening 232, are fixed between collets 23 and welding block 4, and it is used for preventing the relative motion between battery body 1 and metal shell 2.
The utility model discloses a kind of cell parallel modular structure, the battery cell in battery body 1 keeps flat in the stacked mode of parallel connection, adopts the foam laminating with glue between battery cell, forms a batteries in parallel connection group; Welding block 4 is placed on respectively to the centre of the positive and negative lug of batteries in parallel connection group, contacts with battery pole ear 11, along contact-making surface, weld.The batteries in parallel connection group both positive and negative polarity having welded is overlapped respectively to lastblock collets 23.Have the batteries in parallel connection group of collets 23 to keep flat in metal lower cover 22 in cover, and fit with heat-conducting glue, the groove of two collets 23 snaps in respectively two minor faces of metal lower cover.Metal top cover 23 is covered, and between metal top cover 23 and battery cell, with heat-conducting glue laminating, the waist typed through hole on metal top cover 23 both sides is inserted in the waist type boss of metal lower cover 22.
The utility model discloses a kind of cell parallel modular structure, the intermediate cell monomer of three batteries in parallel connection is provided with conducting strip 3, there is assembly rate of heat dispation high, effectively the dissipation of heat of intermediate cell monomer, can bear certain intensity, more firm, durable than plastic material, installation and maintenance is convenient, can reuse and low cost and other advantages.
Protection content of the present utility model is not limited to above embodiment.It should be pointed out that and do not deviating under the spirit and scope of utility model design, variation and advantage that those skilled in the art can expect are all included in the utility model, and take appending claims as protection range.
Claims (7)
1. a cell parallel modular structure, is characterized in that, comprising:
Battery body (1), the two ends of described battery body (1) are provided with battery pole ear (11);
Metal shell (2), described metal shell (2) covers the outer surface of described battery body (1); Described metal shell (2) further comprises: collets (23), described collets (23) are fastened on respectively the two ends of described metal shell (2).
2. cell parallel modular structure as claimed in claim 1, it is characterized in that, described battery body (1) comprising: at least two straight lug battery cells (12) and at least one folding lug battery cell (13), described straight lug battery cell (12) stacks by positive and negative lug is relative in the same way successively up and down with described folding lug battery cell (13), and described folding lug battery cell (13) overlays the top.
3. cell parallel modular structure as claimed in claim 1, it is characterized in that, further comprise: welding block (4), described welding block (4) is arranged on the two ends of described battery body (1), and it is connected by welding or riveting method with described battery pole ear (11).
4. cell parallel modular structure as claimed in claim 2, is characterized in that, further comprises: conducting strip (3), described conducting strip (3) is arranged on the centre of described straight lug battery cell (12) and described folding lug battery cell (13).
5. cell parallel modular structure as claimed in claim 4, is characterized in that, described conducting strip (3) both sides are provided with heat-dissipating fin (31).
6. cell parallel modular structure as claimed in claim 1, is characterized in that, described metal shell (2) comprising:
Metal top cover (21), is provided with connection features (212) on described metal top cover (21), be provided with at least one through hole (211) in described upper connection features (212);
Metal lower cover (22), is provided with lower connection features (222) on described metal lower cover (22), be provided with at least one boss (221) in described lower connection features (222);
Described metal top cover (21) is blocked mutually and is connected with described boss (221) by described through hole (211) with described metal lower cover (22).
7. cell parallel modular structure as claimed in claim 1, is characterized in that, described collets (23) comprising: plastics fastener (231) and rectangular opening (232), described plastics fastener (231) is arranged on the two ends of described rectangular opening (232).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449125.3U CN203536502U (en) | 2013-07-25 | 2013-07-25 | Battery parallel module structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320449125.3U CN203536502U (en) | 2013-07-25 | 2013-07-25 | Battery parallel module structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203536502U true CN203536502U (en) | 2014-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320449125.3U Expired - Lifetime CN203536502U (en) | 2013-07-25 | 2013-07-25 | Battery parallel module structure |
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| Country | Link |
|---|---|
| CN (1) | CN203536502U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654088A (en) * | 2016-11-03 | 2017-05-10 | 深圳市沃特玛电池有限公司 | Battery module |
-
2013
- 2013-07-25 CN CN201320449125.3U patent/CN203536502U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654088A (en) * | 2016-11-03 | 2017-05-10 | 深圳市沃特玛电池有限公司 | Battery module |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140409 |
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| CX01 | Expiry of patent term |