CN204614828U - A kind of cylinder type lithium battery modular structure - Google Patents
A kind of cylinder type lithium battery modular structure Download PDFInfo
- Publication number
- CN204614828U CN204614828U CN201520042349.1U CN201520042349U CN204614828U CN 204614828 U CN204614828 U CN 204614828U CN 201520042349 U CN201520042349 U CN 201520042349U CN 204614828 U CN204614828 U CN 204614828U
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- CN
- China
- Prior art keywords
- lithium battery
- cylinder type
- type lithium
- modular structure
- battery core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 29
- 238000009413 insulation Methods 0.000 claims abstract description 21
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052802 copper Inorganic materials 0.000 claims abstract description 16
- 239000010949 copper Substances 0.000 claims abstract description 16
- 238000003466 welding Methods 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 3
- 239000010951 brass Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 239000003822 epoxy resin Substances 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000012943 hotmelt Substances 0.000 claims description 3
- 238000001746 injection moulding Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920000647 polyepoxide Polymers 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 238000004146 energy storage Methods 0.000 claims description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to electric vehicle engineering field, particularly relate to the design of a kind of cylinder type lithium battery modular structure, comprise: left and right side cover, protecting cover and left and right side insulation board, some cylindrical battery cores are in groups provided with between described left and right side cover, described left and right side is covered with corresponding installing hole, left and right side cover and cylindrical battery core are fixed together by installing hole by securing member, described left and right side insulation board is separately fixed at left and right side and covers, and described protecting cover is fixed in the groove at the top of left and right side cover.The utility model make use of the stable feature of cylinder type lithium battery physical dimension, utilize the left and right side cover of module and the arc-shaped slot of inside to realize the fixing of the level of cylindrical battery core, large-area welding copper sheet prevents the rotation of cylindrical battery core while connecting; Connect reliable, shock resistance is strong; Connection in series-parallel between module is easy to assembling and dismounting.
Description
Technical field
The utility model relates to electric vehicle engineering field, particularly relates to the design of a kind of cylinder type lithium battery modular structure.
Background technology
The battery core of the lithium power battery pack at present in domestic and even global range, is mainly divided into square and cylindrical by body shape.The lithium battery producer of some international mainstreams is in the structural design of lithium battery module, in the Group Design of especially Small Cylindrical battery core, often adopt a kind of non-maintaining large module design, by hundreds of even thousands of cylindrical electrical core welding or the parallel connection of gluing connected mode or be cascaded.This battery pack, once in use go wrong, will be changed whole battery pack, and the form of replacing can be divided into quick change and common reassembling type.No matter adopt which kind of replacing form, this large modular structure and type of attachment very high to the coherence request of battery core, otherwise the cost of integral replacing is still higher.
But current domestic lithium battery in groups after the consistency of battery core, be difficult to ensure, this also directly affects the life-span of lithium battery group, and when not safeguarding, the lithium battery is in groups difficult to ensure the longer life-span.Given this, design a kind of sizeable modular structure, series-parallel reliable connection request can be ensured, can carry out easily again producing assembling and after-sales service fast, become necessary.The utility model just based on this present situation, the modular structure of a kind of cylinder type lithium battery of design.
Utility model content
The purpose of this utility model is: the dimensionally stable in conjunction with cylindrical battery core is good, but the design feature be not easily completely fixed, fully take into account module in groups after performance, the facility of assembling and after-sales service, there is provided a kind of and there is good antivibration and conveyance capacity, be easy to the cylinder type lithium battery modular structure produced and safeguard simultaneously.
To achieve these goals, the utility model provides following technical scheme:
A kind of cylinder type lithium battery modular structure, comprise: left and right side cover, protecting cover and left and right side insulation board, some cylindrical battery cores are in groups provided with between described left and right side cover, described left and right side is covered with corresponding installing hole, left and right side cover and cylindrical battery core are fixed together by installing hole by securing member, described left and right side insulation board is separately fixed at left and right side and covers, and described protecting cover is fixed in the groove at the top of left and right side cover.
Further, parallel connection is between cylindrical battery core in module, undertaken welding parallel connection by cylindrical battery core pole and copper sheet, the lug of copper sheet is fixed on the top of left and right side cover by bolt assemblies, and described welding manner is energy storage welding or laser welding.
Further, often organizing cylindrical battery core is vertical direction word order, is tangent relation and keeps 2-3mm gap between the cylindrical battery core of adjacent two row between adjacent column shape battery core.
Further, described protecting cover adopts buckle to be fixed on the top of left and right side cover, and described left and right insulation board is respectively fixed to left and right side by rivet and covers.
Further, described left and right side cover respectively relative set places the arc-shaped slot of cylindrical battery core, described left and right side cover surrounding is equipped with corresponding installing hole, described securing member is screw rod and embedded nut, screw rod coordinates with the embedded nut be arranged in right cap installing hole through the installing hole of left cap, and tighten, the mode that described embedded nut embeds in installing hole comprises ultrasonic bonding, injection moulding and hot melt; Described screw rod is arranged with sheath.
Further, described left and right side cover inside is evenly equipped with arched ribs.
Further, described copper sheet is provided with position, hole and U-type groove, and the cylinder that described Kong Weiyu left and right side covers carries out cooperation location, and described U-type groove is alignd with the pole of cylindrical battery core.
Further, the material of described left and right side cover, protecting cover, sheath, rivet and left and right insulation board is fire retardant plastic or pottery or metal and inside is provided with insulation coat, described insulation coat is epoxy resin coating, and described embedded nut and the material of screw rod are stainless steel or brass.
The utility model tool has the following advantages:
(1), the utility model make use of the stable feature of cylinder type lithium battery physical dimension, utilize the left and right side cover of module and the arc-shaped slot of inside to realize the fixing of the level of cylindrical battery core, large-area welding copper sheet prevents the rotation of cylindrical battery core while connecting;
(2) overallly realize fixing the horizontal direction of cylinder type lithium battery by left cap and right cap, and adopt four screw rods to coordinate with four embedded nuts to provide and strain and coordinate the frame structure of sheath, reliably, shock resistance is strong in connection;
(3) the most total both positive and negative polarity of module causes and carries out screw thread in the end face groove of module and fix, and this design makes the connection in series-parallel between module become and is easy to assembling and dismounting.
Accompanying drawing explanation
Fig. 1 is the utility model structural entity schematic diagram;
Fig. 2 is the utility model STRUCTURE DECOMPOSITION schematic diagram;
Fig. 3 is the structural representation of copper sheet;
Fig. 4 is the structural representation of left cap;
Fig. 5 is the stereogram of the utility model structure battery core arrangement;
Fig. 6 is the sectional view of the utility model structure battery core arrangement;
Fig. 7 is the utility model structure copper sheet installation diagram;
Fig. 8 is the utility model structural insulation protection figure.
Embodiment
As shown in figures 1-4, a kind of cylinder type lithium battery modular structure, includes module left cap 1, right cap 2, protecting cover 3, copper sheet 4, left and right side insulation board 5,12, rivet 6, embedded nut 7, sheath 8, screw rod 9, bolt assemblies 10, cylindrical battery core 11.
As shown in Figure 5, during assembling module, first battery core is inserted successively in the arc-shaped slot of left cap 1, after insertion, its cross section as Fig. 6, right cap 2 of closing, have embedded nut 7 in the installing hole of wherein right cap 2, the embedded mode of embedded nut 7 comprises ultrasonic bonding, injection moulding and hot melt.By four screw rods 9, coordinate with the embedded nut 7 in right cap 2 installing hole through the installing hole in left cap 1, and tighten.
As shown in Figure 7, copper sheet 4 the cylindrical battery core assembled is utilized to carry out welding in parallel, the cylinder 101 on left and right side cover 1,2 and the position, hole 401 on copper sheet 4 first can be utilized before welding to carry out cooperation location, reexamine U-type groove 402 center on copper sheet 4 afterwards and align with the pole of cylindrical battery core 11.After having welded, the lug of copper sheet 4 is fixed on the top of left and right side cover 1,2 by bolt assemblies 10.
As shown in Figure 8, utilize together with the snap fit 102 on left and right side cover 1,2 is buckled to fix with the draw-in groove 301 on protecting cover 3.Utilize the through hole 501 on rivet 6 and left and right insulation board 5,12, left and right side insulation board 5,12 is fixed on left and right side cover 1,2.So far, module has assembled, and has reserved groove 103 and through hole 104 in left and right side cover 1,2 simultaneously, is convenient to the connection in series-parallel between module and fixes.
In practical columnar shape lithium battery modular structure, a module is a string, cylindrical battery core 11 is wherein parallel connection, two copper sheets 4 are respectively the positive and negative electrode of module, positive and negative lug is fixed in the groove on left and right side cover 1,2 top eventually through bolt assemblies 10, module independently can be used and also can carry out easily connecting in groups.
Preferably, described screw rod 9 is provided with sheath 8, and sheath 8 plays insulating protection and spacing effect.
Preferably, often organize cylindrical battery core 11 in vertical direction word order, be tangent relation between adjacent column shape battery core 11 and keep 2-3mm gap between the cylindrical battery core 11 of adjacent two row, doing like this and can ensure that module is symmetrical, be easy to make, intermediate space is beneficial to heat radiation.
Preferably, described left and right side cover 1,2 inside is evenly equipped with arched ribs, not only improves module intensity, and provides heat dissipation wind channel for cylinder type lithium battery group.
Preferably, described left and right side cover 1,2, protecting cover 3, sheath 8, rivet 6 and left and right insulation board 5,12 material be fire retardant plastic or pottery or metal and inside is provided with insulation coat, described insulation coat is epoxy resin coating, and described embedded nut 7 and the material of screw rod 9 are stainless steel or brass.
Above content is only to design example of the present utility model and explanation; affiliated those skilled in the art make various amendment to described specific embodiment or supplement or adopt similar mode to substitute; only otherwise depart from the design of utility model or surmount this scope as defined in the claims, protection range of the present utility model all should be belonged to.
Claims (10)
1. a cylinder type lithium battery modular structure, it is characterized in that, comprise: left, right cap (1, 2), protecting cover (3) and a left side, side insulation right plate (5, 12), a described left side, right cap (1, 2) some cylindrical battery cores (11) are in groups provided with between, a described left side, right cap (1, 2) corresponding installing hole is provided with, securing member by installing hole by a left side, right cap (1, 2) and cylindrical battery core (11) be fixed together, a described left side, side insulation right plate (5, 12) left side is separately fixed at, right cap (1, 2) on, described protecting cover (3) is fixed on a left side, right cap (1, 2) in the groove at top.
2. cylinder type lithium battery modular structure according to claim 1, it is characterized in that, parallel connection is between cylindrical battery core (11) in module, carry out welding parallel connection with copper sheet (4) by cylindrical battery core (11) pole, the lug of copper sheet (4) is fixed on the top of left and right side cover (1,2) by bolt assemblies (10).
3. cylinder type lithium battery modular structure according to claim 2, is characterized in that, described welding manner is energy storage welding or laser welding.
4. cylinder type lithium battery modular structure according to claim 1 and 2, it is characterized in that, often organize cylindrical battery core (11) in vertical direction word order, be tangent relation between adjacent column shape battery core (11) and keep 2-3mm gap between the adjacent two cylindrical battery core of row (11).
5. cylinder type lithium battery modular structure according to claim 1, it is characterized in that, described protecting cover (3) adopts buckle to be fixed on the top of left and right side cover (1,2), and described left and right insulation board (5,12) is respectively fixed on left and right side cover (1,2) by rivet (6).
6. cylinder type lithium battery modular structure according to claim 5, it is characterized in that, described left and right side cover (1,2) respectively relative set places the arc-shaped slot of cylindrical battery core (11), described left and right side cover (1,2) surrounding is equipped with corresponding installing hole, described securing member is screw rod (9) and embedded nut (7), screw rod (9) coordinates with the embedded nut (7) be arranged in right cap (2) installing hole through the installing hole of left cap (1), and tightens; Described screw rod (9) is arranged with sheath (8).
7. cylinder type lithium battery modular structure according to claim 6, is characterized in that, the mode that described embedded nut (7) embeds in installing hole comprises ultrasonic bonding, injection moulding and hot melt.
8. cylinder type lithium battery modular structure according to claim 1, is characterized in that, described left and right side cover (1,2) inside is evenly equipped with arched ribs.
9. cylinder type lithium battery modular structure according to claim 2, it is characterized in that, described copper sheet (4) is provided with position, hole (401) and U-type groove (402), described position, hole (401) is carried out coordinating with the cylinder (101) on left and right side cover (1,2) and is located, and described U-type groove (402) is alignd with the pole of cylindrical battery core (11).
10. cylinder type lithium battery modular structure according to claim 6, it is characterized in that, the material of described left and right side cover (1,2), protecting cover (3), sheath (8), rivet (6) and left and right insulation board (5,12) is fire retardant plastic or pottery or metal and inside is provided with insulation coat, described insulation coat is epoxy resin coating, and described embedded nut (7) and the material of screw rod (9) are stainless steel or brass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042349.1U CN204614828U (en) | 2015-01-21 | 2015-01-21 | A kind of cylinder type lithium battery modular structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520042349.1U CN204614828U (en) | 2015-01-21 | 2015-01-21 | A kind of cylinder type lithium battery modular structure |
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| Publication Number | Publication Date |
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| CN204614828U true CN204614828U (en) | 2015-09-02 |
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| CN201520042349.1U Active CN204614828U (en) | 2015-01-21 | 2015-01-21 | A kind of cylinder type lithium battery modular structure |
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| CN (1) | CN204614828U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470429A (en) * | 2015-12-29 | 2016-04-06 | 中国电子科技集团公司第十八研究所 | Lithium-ion battery retaining device and retaining method |
| CN105576170A (en) * | 2016-02-16 | 2016-05-11 | 华霆（常州）动力技术有限公司 | Battery pack support |
| CN106876776A (en) * | 2017-04-10 | 2017-06-20 | 嘉瑞能源科技（深圳）有限公司 | A kind of electrokinetic cell module insulation board assembling structure and assembly method |
| CN108075051A (en) * | 2016-11-16 | 2018-05-25 | 奥动新能源汽车科技有限公司 | Power battery module and the power battery box with power battery module |
| CN108389989A (en) * | 2018-03-22 | 2018-08-10 | 江苏赛博宇华科技有限公司 | A kind of Collapsible assembled battery |
| CN110649198A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | General module of lithium cell package and battery package |
| CN111048709A (en) * | 2018-10-13 | 2020-04-21 | 杭州波谱莱新能源科技有限公司 | Frame assembly for cylindrical battery pack based on welding-free technology |
| CN111564584A (en) * | 2020-04-03 | 2020-08-21 | 湖南科霸汽车动力电池有限责任公司 | Battery module and battery pack |
-
2015
- 2015-01-21 CN CN201520042349.1U patent/CN204614828U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105470429A (en) * | 2015-12-29 | 2016-04-06 | 中国电子科技集团公司第十八研究所 | Lithium-ion battery retaining device and retaining method |
| CN105576170A (en) * | 2016-02-16 | 2016-05-11 | 华霆（常州）动力技术有限公司 | Battery pack support |
| CN108075051A (en) * | 2016-11-16 | 2018-05-25 | 奥动新能源汽车科技有限公司 | Power battery module and the power battery box with power battery module |
| CN108075051B (en) * | 2016-11-16 | 2021-07-23 | 奥动新能源汽车科技有限公司 | Power battery module and power battery box with same |
| CN113675516A (en) * | 2016-11-16 | 2021-11-19 | 奥动新能源汽车科技有限公司 | Conducting strip, power battery module and power battery box |
| CN113675516B (en) * | 2016-11-16 | 2024-02-13 | 奥动新能源汽车科技有限公司 | Conducting strip, power battery module and power battery box |
| CN106876776A (en) * | 2017-04-10 | 2017-06-20 | 嘉瑞能源科技（深圳）有限公司 | A kind of electrokinetic cell module insulation board assembling structure and assembly method |
| CN108389989A (en) * | 2018-03-22 | 2018-08-10 | 江苏赛博宇华科技有限公司 | A kind of Collapsible assembled battery |
| CN111048709A (en) * | 2018-10-13 | 2020-04-21 | 杭州波谱莱新能源科技有限公司 | Frame assembly for cylindrical battery pack based on welding-free technology |
| CN110649198A (en) * | 2019-09-27 | 2020-01-03 | 联动天翼新能源有限公司 | General module of lithium cell package and battery package |
| CN110649198B (en) * | 2019-09-27 | 2022-09-23 | 联动天翼新能源有限公司 | General module of lithium cell package and battery package |
| CN111564584A (en) * | 2020-04-03 | 2020-08-21 | 湖南科霸汽车动力电池有限责任公司 | Battery module and battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230000 Yaohai Industrial Zone, Hefei New District, Anhui, No. D weft Road, No. 7 Patentee after: Gotion High-tech Co., Ltd. Address before: 230000 Yaohai Industrial Zone, Hefei New District, Anhui, No. D weft Road, No. 7 Patentee before: Hefei Guoxuan High-Tech Power Energy Co.,Ltd. |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20160526 Address after: 215300 Kunshan City, Suzhou Province, Yushan City, the town of Yuan Feng Road, No. 100, No. Patentee after: GUOXUAN NEW ENERGY (SUZHOU) CO.,LTD. Address before: 230000 Yaohai Industrial Zone, Hefei New District, Anhui, No. D weft Road, No. 7 Patentee before: Gotion High-tech Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215300 100 Yuanfeng Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Shanghai Electric GuoXuan new energy technology (Suzhou) Co.,Ltd. Address before: 215300 100 Yuanfeng Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: GUOXUAN NEW ENERGY (SUZHOU) Co.,Ltd. |