CN204289587U - Battery pack - Google Patents
Battery pack Download PDFInfo
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- CN204289587U CN204289587U CN201420722115.7U CN201420722115U CN204289587U CN 204289587 U CN204289587 U CN 204289587U CN 201420722115 U CN201420722115 U CN 201420722115U CN 204289587 U CN204289587 U CN 204289587U
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- battery
- electrode
- parallel portion
- battery pack
- battery unit
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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 kind of battery pack, comprise multiple battery unit and multiple cell connector, battery unit comprises battery, one end face of battery is provided with electrode, electrode comprises the first electrode and the second electrode, first electrode and the second electrode lay respectively at the two ends of end face, battery stack is placed and is made the first electrode be positioned at the same side of battery pack, second electrode is at opposite side, cell connector is bending type structure, comprise first end, the second end and kink, kink connects first end and the second end, first end and the second end are parallel to each other and extend towards the two ends of kink respectively, first Electrode connection of the battery of first end and battery unit, second Electrode connection of the battery of the second end and adjacent battery unit.Multiple battery-arrangements of described battery pack are neat, realize any series and parallel connections of battery, and without the need to changing the electrode position of battery, processing and assembling simply, use manpower and material resources sparingly.
Description
Technical field
The utility model relates to field of batteries, particularly a kind of battery pack.
Background technology
Existing industrial battery pack, especially charged lithium cells group, general employing scolding tin connects, cell polar ear is connected with PCB connecting plate by the method for spot welding makes battery core connect in groups.Existing this battery pack is not easily assembled, and there is the problem such as welding operation method difficulty and high temperature solder welding injury battery core.Scolding tin overlong time has certain damage to cell polar ear, and the problems such as solid, the fried weldering of not prison welding and solder skip easily appear in spot welding.
Utility model content
Based on this, be necessary for the not easy-to-assemble problem of battery pack, a kind of battery pack being easy to assemble is provided.
A kind of battery pack, comprise multiple battery unit and multiple cell connector, described battery unit comprises battery, one end face of described battery is provided with electrode, described electrode comprises the first electrode and the second electrode, described first electrode and described second electrode lay respectively at the two ends of described end face, described battery stack is placed and is made described first electrode be positioned at the same side of described battery pack, described second electrode is at opposite side, described cell connector is bending type structure, comprise first end, the second end and kink, described kink connects described first end and described the second end, described first end and described the second end are parallel to each other and extend towards the two ends of described kink respectively, first Electrode connection of the battery of described first end and described battery unit, second Electrode connection of the battery of described the second end and adjacent described battery unit.
Wherein in an embodiment, described first electrode is positive pole, and described second electrode is negative pole.
Wherein in an embodiment, described first end and described the second end include parallel portion, the parallel portion of described first end and the first Electrode connection of described battery unit, the parallel portion of described the second end and described second Electrode connection of adjacent battery unit, the battery cells in series be connected with described first end and the second end connects by described kink.
Wherein in an embodiment, described battery unit comprises a battery, described first end and described the second end include a parallel portion, first Electrode connection of the parallel portion of described first end and a battery, the second Electrode connection of another battery that the parallel portion of described the second end is adjacent with described battery.
Wherein in an embodiment, described battery unit comprises multiple battery, and described first end and described the second end include multiple parallel portion, and the quantity of the parallel portion of the number of batteries of each described battery unit and first end or the second end is corresponding; Described multiple parallel portion is spaced parallel, each parallel portion of described first end respectively with each first Electrode connection of a described battery unit, each parallel portion of described the second end respectively with the second Electrode connection of each described battery of adjacent described battery unit, multiple parallel portion of described cell connector by multiple cell parallels of each described battery unit, each battery cells in series that described kink will be connected with described first end and the second end.
Wherein in an embodiment, described battery unit comprises two batteries, and described first end and described the second end include two described parallel portion.
Wherein in an embodiment, described first electrode and the second electrode include lug and lug brace, described lug is arranged on the battery, described lug brace is arranged on the end of described lug, and described first electrode or the second electrode are connected with described cell connector by described lug brace.
Wherein in an embodiment, described battery battery core, battery core bracket and the first connector, described battery core bracket comprises framework and is located at the contiguous block of framework one end, described lug brace is connected in described battery core, described battery core is placed in described battery core bracket, described lug brace is made to be close to the outer surface of described contiguous block, described contiguous block, described lug brace and described cell connector are equipped with the first connecting hole, and described battery core bracket, described battery core are connected with described cell connector by described first connecting hole by described first connector.
Wherein in an embodiment, described battery also comprises fin, and described fin and described battery core are fitted, and and described battery core framework fasten and make described battery core between described battery core bracket and described fin.
Wherein in an embodiment, described battery pack also comprises the second connector, and the frame of described framework is provided with the second connecting hole, and each battery core bracket is connected in groups by described second connecting hole of each battery core bracket by described second connector.
Described battery pack, comprise multiple battery unit and multiple cell connector, described battery unit comprises battery, one end face of described battery is provided with electrode, described electrode comprises the first electrode and the second electrode, described first electrode and described second electrode lay respectively at the two ends of described end face, described battery stack is placed and is made described first electrode be positioned at the same side of described battery pack, described second electrode is at opposite side, described cell connector is bending type structure, comprise first end, the second end and kink, described kink connects described first end and described the second end, described first end and described the second end are parallel to each other and extend towards the two ends of described kink respectively, first Electrode connection of the battery of described first end and described battery unit, second Electrode connection of the battery of described the second end and adjacent described battery unit.Multiple battery-arrangements of described battery pack are neat, realize any series and parallel connections of battery, and without the need to changing the electrode position of battery, processing and assembling simply, use manpower and material resources sparingly.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment one of the utility model battery pack;
Fig. 2 is the structural representation of the cell connector of battery pack shown in Fig. 1;
Fig. 3 is the structural representation of the battery of the utility model battery pack;
Fig. 4 is the structural representation of another embodiment of the utility model battery pack;
Fig. 5 is the structural representation of the cell connector of battery pack shown in Fig. 4.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.Preferred embodiment of the present utility model is given in accompanying drawing.But the utility model can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the understanding of disclosure of the present utility model more comprehensively thorough.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Refer to Fig. 1, the battery pack 100 of embodiment one, comprise multiple battery unit 110 and multiple cell connector 120, described battery unit 110 comprises battery 11.One end face of described battery 11 is provided with electrode 111, electrode 111 comprises the first electrode 111a and the second electrode 111b, first electrode 111a and the second electrode 111b lays respectively at the two ends of the described end face of battery 11, the stacked placement of described battery 11 and make all first electrode 111a be positioned at the same side of battery pack 100, all second electrode 111b are positioned at the opposite side of battery pack 100.Particularly, in the present embodiment, the first electrode 111a is positive pole, and the second electrode 111b is negative pole.
Refer to Fig. 2, described cell connector 120 is bending type structure, comprise first end 121, the second end 122 and kink 123, kink 123 connects first end 121 and the second end 122, and first end 121 and the second end 122 are parallel to each other and extend towards the two ends of kink respectively.Described first end 121 is connected with the first electrode 111a of the battery 11 of described battery unit 110, and described the second end 122 is connected with the second electrode 111b of the battery 11 of adjacent described battery unit 110.
First end 121 and the second end 122 include parallel portion, and parallel portion one end is connected with electrode 111, and the other end is connected with kink 123.The parallel portion of first end 121 is connected with the first electrode 111a of described battery unit 110, the parallel portion of the second end 122 is connected with the second electrode 111b of adjacent battery unit 110, and the battery unit 110 be connected with described first end 121 and the second end 122 is connected in series by kink 123.
Particularly, in the present embodiment, described battery unit 110 comprises a battery 11, first end 121 and the second end 122 include a parallel portion, the parallel portion of first end 121 is connected with the first electrode 111a of a battery 11, second electrode 111b of another battery 11 that the parallel portion of the second end 122 is adjacent with above-mentioned battery 11 is connected, like this, coupled together by the both positive and negative polarity of cell connector 120 by adjacent two batteries 11, thus described multiple battery 11 is connected into battery pack 100.Multiple batteries 11 marshalling of described battery pack 100, in groups, without the need to changing electrode 111 position of battery 11, processing and assembling simply, use manpower and material resources sparingly in the series connection achieving multiple battery 11.
Refer to Fig. 3, described first electrode 111a and the second electrode 111b includes lug 1112 and lug brace 1114, lug 1112 is arranged on battery 11, described lug brace 1114 is arranged on the end of lug 1112, and the first electrode 111a or the second electrode 111b is connected with cell connector 120 by lug brace 1114.
Particularly, in the present embodiment, described lug 1112 is vertically arranged at battery 11 end face, and described lug brace 1114 is established perpendicular to lug 1112.Lug brace 1114 and lug 1112 pass through ultrasonic bonding, the phenomenons such as the splashing produced when ultrasonic bonding effectively overcomes resistance welded and oxidation.Particularly, described lug brace 1114 is copper sheet, and copper sheet conductivity is good, and cost is low.
Described cell connector 120 is copper sheet, and copper sheet conductivity is good, and cost is low.Described kink 123 adopts plastic cement wrap insulate, kink 123 contacts with the centre position of the second electrode 111b with battery 11 first electrode 111a, plastic cement wrap insulate can solve the problems such as electrode 111 short circuit of battery 11, thus improves the fail safe of battery assembling.
Continue to consult Fig. 3, described battery 11 comprises battery core 1110, battery core bracket 130 and the first connector 140.Battery core bracket 130 comprises framework 131 and is located at the contiguous block 132 of framework 131 one end, and described lug brace 1114 is connected in battery core 1110, and battery core 1110 is placed in battery core bracket 130, makes lug brace 1114 be close to the outer surface of contiguous block 132.
Contiguous block 132, lug brace 1114 and cell connector 120 are equipped with the first connecting hole 150, first connector 140 and battery core bracket 130, battery core 1110 are connected with cell connector 120 by described first connecting hole 150, form battery 11.Multiple battery 11 is stacked when arranging, and all batteries 11 are arranged in the same way, that is, have and only have a battery core bracket 130 between every two battery cores 1110.Battery core 1110 is fixed in battery core bracket 130 by described first connector 150, certain reserved expansion space is provided to battery core 1110, when solving battery core 1110 large multiplying power discharging electric current and heating large, without the problem that reserved expansion space causes battery 11 to damage between adjacent battery core 1110.
Particularly, in the present embodiment, described battery core bracket 130 is plastic material, and described battery core bracket 130 1 aspect cost low quality is light, has the effect of insulation on the other hand, improves the fail safe of battery 11.
Continue to consult Fig. 3, battery 11 also comprises fin 160, and fin 160 and battery core 1110 are fitted, and and battery core framework 130 fasten and make battery core 1110 between battery core bracket 130 and fin 160.Battery pack 100 weight is large and discharging current is large, there is battery 11 heating temp too high damage battery core 1110 problem, therefore fin 160 is pasted on single battery core 1110 surface, by heat conduction out, solve the problem that battery core 1110 temperature is too high, thus improve the fail safe of battery 11.Because metal guide is well hot, described fin 160 is preferably sheet metal.
Particularly, described fin 160 is radiating aluminium sheet or stainless steel substrates.Described fin 160 is fitted with battery core 1,110 three, increase contact area on the one hand and promote heat transfer, such structure better can be fixed with battery core 1110 on the other hand, and described fin 160 is also placed in described battery core bracket 130, further fixing cooling fins 160.Particularly, fin 160 and battery core 1110 adopt double faced adhesive tape 170 to bond.
Composition graphs 1 and Fig. 3, battery pack 100 also comprises the second connector (not shown).The frame of described framework 131 is provided with the second connecting hole 180.Each battery core bracket 130 is connected in groups by the second connecting hole 180 of each battery core bracket 130 by the second connector.Described second connector plays connection and fixation to all battery core bracket 130, makes battery pack 100 structure more stable.
Particularly, in the present embodiment, described first connector 150 and the second connector are screw bolt and nut, and the mode coordinated by screw bolt and nut is connected, simple and convenient.Be appreciated that and also can be other connected modes.
Composition graphs 4 and Fig. 5, the battery pack 200 of another embodiment, comprise multiple battery unit 210 and multiple cell connector 220, cell connector 220 comprises first end 221, the second end 222 and kink 223, kink 223 connects first end 221 and the second end 222, and first end 221 is parallel to each other with the second end 222 but bearing of trend is different.
Battery pack 200 is with battery pack 100 difference of embodiment one, described battery unit 210 comprises multiple battery 11, first end 221 and the second end 222 include multiple parallel portion 20, and the quantity of the parallel portion 20 of battery 11 quantity of each battery unit 210 and first end 221 or the second end 222 is corresponding.Multiple parallel portion 20 is spaced parallel, each parallel portion 20 of first end 221 is connected with the first electrode 111a of each battery 11 of a battery unit 210 respectively, each parallel portion 20 of the second end 222 is connected with the second electrode 111b of each battery 11 of adjacent battery unit 210 respectively, multiple parallel portion 20 of cell connector 220 are in parallel by the multiple batteries 11 in each battery unit 210, and each battery unit 210 be connected with described first end 221 and the second end 222 is connected by kink 223.Battery 11 in each battery unit 210 is formed and joint group by such cell connector 220, by multiple cell connector 220 by the first parallel connection of battery 11 in described battery unit 210 in groups, more described and joint group is connected.
Particularly, in the present embodiment, battery unit 210 comprises two batteries 11, first end 221 and the second end 222 include two parallel portion 20, two parallel portion 20 of first end 221 are connected with two the first electrode 111a of battery unit 210 respectively, two parallel portion 20 of the second end 222 are connected with two the second electrode 111b of adjacent battery unit 210 respectively, so achieve these two batteries 11 and to connect into and joint group, and kink 223 is by described and joint group is connected into battery pack 200.
Be appreciated that first end 221 and the second end 222 can comprise the parallel portion 20 of different number according to battery 11 quantity that is in parallel and that connect and different order.So multiple battery 11 is connected into battery pack 200, achieve any parallel connection and the series connection of battery 11.Multiple batteries 11 marshalling of described battery pack 200, without the need to changing electrode 111 position of battery 11, processing and assembling simply, use manpower and material resources sparingly.
The above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a battery pack, it is characterized in that, comprise multiple battery unit and multiple cell connector, described battery unit comprises battery, one end face of described battery is provided with electrode, described electrode comprises the first electrode and the second electrode, described first electrode and described second electrode lay respectively at the two ends of described end face, described battery stack is placed and is made described first electrode be positioned at the same side of described battery pack, described second electrode is at opposite side, described cell connector is bending type structure, comprise first end, the second end and kink, described kink connects described first end and described the second end, described first end and described the second end are parallel to each other and extend towards the two ends of described kink respectively, first Electrode connection of the battery of described first end and described battery unit, second Electrode connection of the battery of described the second end and adjacent described battery unit.
2. battery pack according to claim 1, is characterized in that, described first electrode is positive pole, and described second electrode is negative pole.
3. battery pack according to claim 1, it is characterized in that, described first end and described the second end include parallel portion, the parallel portion of described first end and the first Electrode connection of described battery unit, the parallel portion of described the second end and described second Electrode connection of adjacent battery unit, the battery cells in series be connected with described first end and the second end connects by described kink.
4. battery pack according to claim 3, it is characterized in that, described battery unit comprises a battery, described first end and described the second end include a parallel portion, first Electrode connection of the parallel portion of described first end and a battery, the second Electrode connection of another battery that the parallel portion of described the second end is adjacent with described battery.
5. battery pack according to claim 3, it is characterized in that, described battery unit comprises multiple battery, and described first end and described the second end include multiple parallel portion, and the quantity of the parallel portion of the number of batteries of each described battery unit and first end or the second end is corresponding; Described multiple parallel portion is spaced parallel, each parallel portion of described first end respectively with each first Electrode connection of a described battery unit, each parallel portion of described the second end respectively with the second Electrode connection of each described battery of adjacent described battery unit, multiple parallel portion of described cell connector by multiple cell parallels of each described battery unit, each battery cells in series that described kink will be connected with described first end and the second end.
6. battery pack according to claim 5, is characterized in that, described battery unit comprises two batteries, and described first end and described the second end include two described parallel portion.
7. battery pack according to claim 1, it is characterized in that, described first electrode and described second electrode include lug and lug brace, described lug is arranged on the battery, described lug brace is arranged on the end of described lug, and described first electrode or the second electrode are connected with described cell connector by described lug brace.
8. battery pack according to claim 7, it is characterized in that, described battery battery core, battery core bracket and the first connector, described battery core bracket comprises framework and is located at the contiguous block of described framework one end, described lug brace is connected in described battery core, described battery core is placed in described battery core bracket, described lug brace is made to be close to the outer surface of described contiguous block, described contiguous block, described lug brace and described cell connector are equipped with the first connecting hole, described first connector by described first connecting hole by described battery core bracket, described battery core is connected with described cell connector.
9. battery pack according to claim 8, is characterized in that, described battery also comprises fin, and described fin and described battery core are fitted, and and described battery core framework fasten and make described battery core between described battery core bracket and described fin.
10. battery pack according to claim 8, it is characterized in that, described battery pack also comprises the second connector, and the frame of described framework is provided with the second connecting hole, and each battery core bracket is connected in groups by described second connecting hole of each battery core bracket by described second connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722115.7U CN204289587U (en) | 2014-11-26 | 2014-11-26 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420722115.7U CN204289587U (en) | 2014-11-26 | 2014-11-26 | Battery pack |
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|---|---|
| CN204289587U true CN204289587U (en) | 2015-04-22 |
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| CN201420722115.7U Active CN204289587U (en) | 2014-11-26 | 2014-11-26 | Battery pack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585927A (en) * | 2017-09-28 | 2019-04-05 | 江苏津谊新能源科技有限公司 | A kind of Li-ion batteries piles |
| CN112331994A (en) * | 2019-11-19 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Soft-package battery module, grouping method thereof, battery pack and equipment using soft-package battery module as power supply |
-
2014
- 2014-11-26 CN CN201420722115.7U patent/CN204289587U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109585927A (en) * | 2017-09-28 | 2019-04-05 | 江苏津谊新能源科技有限公司 | A kind of Li-ion batteries piles |
| CN112331994A (en) * | 2019-11-19 | 2021-02-05 | 宁德时代新能源科技股份有限公司 | Soft-package battery module, grouping method thereof, battery pack and equipment using soft-package battery module as power supply |
| WO2021098464A1 (en) * | 2019-11-19 | 2021-05-27 | 宁德时代新能源科技股份有限公司 | Pouch battery module and packing method therefor, battery pack, and electric device |
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