CN206820036U - A kind of outer cover unit of battery pack, modular unit and battery bag - Google Patents
A kind of outer cover unit of battery pack, modular unit and battery bag Download PDFInfo
- Publication number
- CN206820036U CN206820036U CN201720565916.0U CN201720565916U CN206820036U CN 206820036 U CN206820036 U CN 206820036U CN 201720565916 U CN201720565916 U CN 201720565916U CN 206820036 U CN206820036 U CN 206820036U
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- CN
- China
- Prior art keywords
- battery
- nickel sheet
- outer cover
- cover unit
- bus
- 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.)
- Expired - Fee Related
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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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- Battery Mounting, Suspending (AREA)
Abstract
A kind of outer cover unit of battery pack, modular unit and battery bag are the utility model is related to, outer cover unit includes upper shell, lower house, upper nickel sheet, lower nickel sheet, the first bus-bar, the second bus-bar and epoxy dividing plate;Modular unit includes 2 groups of battery packs being made up of identical battery core and above-mentioned outer cover unit;Battery bag is combined by above-mentioned modular unit connection in series-parallel.The outer cover unit positive and negative electrode outbound course alterable of above-mentioned technical proposal battery pack, battery bag series and parallel is facilitated to assemble;The L-type design of upper-lower casing, it is simple in construction, it is smaller to the envelope of battery pack, the weight of shell is reduced, is easy to radiate;Shell, modular unit and battery bag combination assembly technology are simple, and space availability ratio is high, and energy density is high in groups.
Description
Technical field
Batteries of electric automobile is the utility model is related to, the more particularly to a kind of shell of battery pack, modular unit and battery bag.
Background technology
New-energy electric vehicle core component is battery, and the part of each level of battery is battery core, module, battery bag, mould
Group refers to that lithium ion battery combines through series-parallel system, and after adding protection circuit plate and shell, the battery mould that can directly power
Block.In order to reach the voltage needed for battery, electricity;Multiple modules carry out connection in series-parallel and combine to form battery bag again.From battery core, to mould
The volume and mass energy density of each level of group, casing are all successively decreased successively;Substantial amounts of lithium ion battery needs serial or parallel connection
Improve the endurance of battery core module.The special security performance requirement of other battery combination, the design of modular structure need to ensure gently
Quantify, high integration at the same ensure insulation, the requirement battery cell of reliability and assembly technology performance have it is cylindrical, square, soft
Diversified forms, various forms of battery core monomer burst modes such as bag also have larger difference.Grant number CN in the prior art
The utility models such as the U of 206076332 and CN 205828470 disclose the output of battery module structure both positive and negative polarity and can not converted, support
Jam part is more, and assembling and GT are complicated.
Utility model content
For this reason, it may be necessary to a kind of positive and negative electrode outbound course alterable is provided, simple in construction, the simple battery pack of assembly technology
Shell, modular unit and the battery bag assembled by above battery module unit.
To achieve the above object, a kind of outer cover unit of battery pack, including upper shell, lower house are inventor provided, on
Nickel sheet, lower nickel sheet, the first bus-bar, the second bus-bar and epoxy dividing plate, the upper nickel sheet include the first nickel sheet and the second nickel sheet;
The L-shaped structure of upper shell and lower house, upper shell and lower house surround cavity, and the cavity is used to dispose battery, institute
State the upper surface of upper shell and the lower surface symmetrical matrix of lower house shows battery core positioning hole, the side end face of upper shell sets positive pole defeated
Outgoing interface, negative pole output interface and the first radiating groove, first radiating groove are arranged between positive and negative electrode output interface;
The top of the upper shell is disposed with epoxy dividing plate, spaced first bus-bar and second from top to bottom
Bus-bar, spaced first nickel sheet and the second nickel sheet, it is defeated that first bus-bar and the second bus-bar connect positive pole respectively
Outgoing interface and negative pole output interface;First nickel sheet is arranged at the lower section of the first bus-bar, and the second nickel sheet is arranged at the second remittance
Flow the lower section of row;
The bottom of the lower house sets lower nickel sheet, and the side end face of lower house sets thief hatch, the lower nickel sheet connection institute
State thief hatch;
The upper and lower nickel sheet is mutually welded by battery core positioning hole, respectively the two poles of the earth with battery.
Further, the battery core positioning hole is shoulder hole.
Further, the connecting end surface of the upper shell and the connecting end surface of lower house are provided with symmetrical chamfering structure.
Further, four corners of the upper surface of the upper shell and the lower surface of lower house are provided with protuberance, institute
It is hierarchic structure to state protuberance, connecting hole is provided with the protuberance, the connecting hole is used for and connector is connected not
Same outer cover unit.
Further, the thickness of upper and lower nickel sheet is set according to the maximum output current limit of battery.
Further, array is provided with transversely arranged guiding gutter, the guiding gutter between the battery core pad of upper and lower nickel sheet
For guiding the flow direction of electric current in upper and lower nickel sheet.
Further, the epoxy dividing plate is provided with the second radiating groove and positioning hole, and second radiating groove is equidistantly indulged
To arrangement, the positioning hole is arranged at four corners of epoxy dividing plate, the positioning hole and upper shell upper surface protuberance
Ladder upper end shape be adapted.
Further, the side end face of the lower house is provided with support positioning fastener, and the support positioning fastener is used for outer
Fixation of the shell unit in electronic box housing.
Inventor additionally provides a kind of modular unit of battery pack, including 2 groups of battery packs being made up of identical battery core and outer
Shell unit, outer cover unit are the outer cover unit that above-mentioned technical proposal provides;The outer cover unit includes cavity, 2 groups of electricity
Pond group is placed in cavity by different battery core directions.
Inventor provides a kind of battery bag again, the battery bag combined by the modular unit connection in series-parallel of above-mentioned battery pack and
Into.
Prior art is different from, the outer cover unit positive and negative electrode outbound course alterable of above-mentioned technical proposal battery pack is convenient
Battery bag series and parallel assembles;The L-type design of upper-lower casing, it is simple in construction, it is smaller to the envelope of battery pack, reduce the weight of shell
Amount, is easy to radiate;Shell, modular unit and battery bag combination assembly technology are simple, and space availability ratio is high, in groups energy density
It is high.
Brief description of the drawings
Fig. 1 is a kind of structural representation of battery module unit of the utility model;
Fig. 2 is a kind of structural representation of battery bag of the utility model;
Description of reference numerals:
1st, epoxy dividing plate,
11st, the first radiating groove,
12nd, positioning hole,
2nd, the first bus-bar,
21st, connecting hole,
3rd, the second bus-bar,
4th, the first nickel sheet,
5th, the second nickel sheet,
6th, upper shell,
61st, battery core positioning hole,
62nd, positive pole output interface,
63rd, negative pole output interface,
64th, the second radiating groove,
65th, protuberance,
7th, lower house,
71st, thief hatch,
72nd, support positioning fastener,
8th, lower nickel sheet,
81st, guiding gutter,
82nd, thieff hatch,
9th, the first battery pack,
10th, the second battery pack,
100th, battery module unit.
Embodiment
To describe technology contents of the present utility model, construction feature, the objects and the effects in detail, below in conjunction with implementation
Mode simultaneously coordinates accompanying drawing to be explained in detail.
A kind of structural representations of battery module unit of Fig. 1 are referred to, the modular unit includes:Upper shell 6, lower house
7, the first battery pack 9, the second battery pack 10, upper nickel sheet, lower nickel sheet 8, the first bus-bar 2, the second bus-bar 3 and epoxy dividing plate 1;
Upper nickel sheet includes the first nickel sheet 4 and the second nickel sheet 5.
The 7 L-shaped structure of upper shell 6 and lower house, the side end face of upper shell 6 connect with the side end face of lower house 7,
The U-shaped shell structure of lateral openings is formed, the cavity that upper shell 6 and lower house 7 surround is used to dispose battery pack.The present embodiment
In, respectively symmetrically array has that " 6 × 10 " individual battery core positioning holes 61, can be placed for the upper surface of upper shell 6 and the lower surface of lower house 7
60 cylindrical batteries, battery core positioning hole 61 are shoulder hole structure so that the both positive and negative polarity of cylindrical battery can be stuck in shell
Between the upper and lower end face of body.First battery pack 9 and the second battery pack 10 are respectively by " 6 × 5 " individual cylindrical batteries are formed, the first battery
9 negative poles of group are upward, positive pole is placed downwards, and the positive pole of the second battery pack 10 is upward, negative pole is placed downwards.
In the present embodiment, four corners of the upper surface of upper shell 6 and the lower surface of lower house 7 are provided with protuberance 65,
The protuberance 65 is stairstepping, and connecting hole is provided with protuberance 65, and it is several that connecting hole is used for and connector is connected
Outer cover unit assembled in groups by unified direction.
In the present embodiment, longitudinally disposed 2 positive pole output interfaces 62 and 2 are distinguished in the both ends of the side end face of upper shell 6
Negative pole output interface 63, equidistant longitudinally disposed some second radiating grooves between positive pole output interface 62 and negative pole output interface 63
64.In other embodiments, on connection side several positive pole output interfaces 62 and negative pole can be set defeated according to using needs
Outgoing interface 63, the second radiating groove 64 can laterally be set, and the quantity of the second radiating groove 64 can be configured as needed.
In the present embodiment, the lower end center position of the side end face of lower house 7 sets a thief hatch 71, and sampling wire harness can lead to
Cross the voltage and current data that the thief hatch 71 obtains battery pack.The both sides of thief hatch 71 are respectively arranged with support positioning fastener
72, support positioning fastener 72 is transversely or longitudinally fixed for battery cell module in electronic box enclosure interior.
In the present embodiment, the connecting end surface of upper shell 6 and the connecting end surface of lower house 7 are provided with symmetrical chamfering structure,
Upper shell 6 and lower house 7 form V-groove after docking, spliced V-groove can be as the wiring groove of sampling wire harness, the wiring groove
It is simple and beautiful, while the overall structure of housing is not destroyed.In the present embodiment, the integrated shaping of upper-lower casing.
Upper nickel sheet (the first nickel sheet 4, the second nickel sheet 5) and lower nickel sheet 8 are located above and below housing respectively, pass through housing
Battery core positioning hole 61, respectively the two poles of the earth with battery mutually weld, upper-lower casing and battery pack position are fixed, the thickness of nickel sheet
Degree is set according to the maximum output current limit of battery, and nickel is a kind of very low metallics of fusing point in itself, when heat is larger,
It can voluntarily fuse, play a protective role.The nickel sheet connected when a battery short circuit can fuse, and play short-circuit protection, avoid
Battery core and circuit around influenceing.
The upper nickel sheet of the present embodiment includes the size phase of 4, the first nickel and the second nickel sheet 5, the first nickel sheet 4 and the second nickel sheet 5
Deng, the top of housing upper surface is arranged at intervals at, by battery core positioning hole 61, the negative pole phase of the first nickel sheet 4 and the first battery pack 9
Welding, the second nickel sheet 5 are mutually welded with the positive pole of the second battery pack 10.The positive pole and the second battery of the lower battery pack 9 of nickel sheet 8 and first
The negative pole of group 10 mutually welds.The shape phase of thief hatch 71 of 1 thieff hatch 82, thieff hatch 82 and lower house 7 is provided with lower nickel sheet 8
Adaptation, can be set on the thief hatch 71 of lower house 7.In the present embodiment, array is provided with transverse direction between the battery core pad of nickel sheet
The guiding gutter 81 of arrangement, for guiding the flow direction of electric current in nickel sheet.
Bus-bar is located at the top of upper nickel sheet, for transmitting electric energy, plays the role of to collect and distribute electric power.Bus-bar includes
First bus-bar 2 and the second bus-bar 3, respectively positioned at the top of the first nickel sheet 4 and the second nickel sheet 5, two bus-bars are in " L "
Type structure, it is arranged at intervals above upper nickel sheet, for transmitting the electric current of different directions.In the present embodiment, have 2 on each bus-bar
Individual connecting hole 21, the first bus-bar 2 are connected with the positive pole output interface 62 of upper shell 6, and the second bus-bar 3 is negative with upper shell 6
Pole output interface 63 connects.
Epoxy dividing plate 1 is located at the top of bus-bar, plays battery module unit insulation protection, avoids electric current non-directional from passing
Lead.In the present embodiment, when several modular units are combined and installed, epoxy dividing plate 1 has isolated the bus-bar of the module with being connected mould
The lower nickel sheet of block.Epoxy dividing plate 1 is rectangle in the present embodiment, and shape size is identical with the end face of upper shell 6, has in plate face some
Equidistant first radiating groove 11 of longitudinal arrangement and the positioning hole 12 of four corners, first radiating groove 11 conflux to bottom
Row, upper nickel sheet component are radiated, and avoid element over-temperature that short circuit occurs.Four of positioning hole 12 and upper shell 6 corner are prominent
The ladder upper end shape for going out portion 65 is adapted, and can be fastened on the ladder upper end of protuberance 65 of upper shell 6, for by epoxy dividing plate 1
The surface of upper shell 6 is fixed on, hierarchic structure underlying space places bus-bar and upper nickel sheet.
In the present embodiment, the negative pole of the first battery pack 9 is upward, positive pole is placed downwards, and the positive pole of the second battery pack 10 is upward, negative pole
Place downwards.In other embodiments, can the positive pole of the first battery pack 9 is upward, negative pole is placed downwards, the negative pole of the second battery pack 10 to
Upper, positive pole is placed downwards, and both positive and negative polarity delivery outlet position is exchanged in battery module unit.
When being assembled to the present embodiment battery module unit, user is first by the battery core negative pole of the first battery pack, second
In the battery core positioning hole of the battery core positive pole insertion insertion lower house of battery pack, pair of the battery core other end insertion upper shell of battery pack
Battery core positioning hole is answered, the side end face connection of upper and lower casing, upper-lower casing forms the U-shaped shell structure of lateral openings, by the first nickel
Piece and the second nickel sheet are welded in the upper end of battery pack, the electricity that the 3rd nickel sheet is passed through into lower house by the battery core positioning hole of upper shell
Core positioning hole is welded in the lower end of battery pack, and the first bus-bar, the connecting hole card of the first bus-bar are placed above the first nickel sheet
On positive pole output interface, the second bus-bar is placed above the second nickel sheet, it is defeated that the connecting hole of the second bus-bar is fastened on negative pole
On outgoing interface;Finally, epoxy dividing plate is placed in the top, the positioning hole of epoxy dividing plate is fastened on to the protrusion of upper shell upper surface
In portion, the assembling of battery module unit is completed.Assembling process is simple.
A kind of referring to Fig. 2, structural representation of battery bag.In the present embodiment, a kind of 100,5 battery modules of battery bag
Unit connection is set.In battery module unit four of lower house in four protuberances and adjacent battery modules unit of upper shell
Protuberance is connected to each other by connecting hole and attachment means, and attachment means are bolt in the present embodiment.5 batteries of the present embodiment
Wrap to be arranged in parallel, can be also arranged in series in other embodiments by 5 battery module units.Upper shell in battery module unit
Four protuberances and adjacent battery modules unit in four protuberances of lower house pass through connecting hole and attachment means phase each other
Connect, attachment means are bolt in the present embodiment.
Embodiment of the present utility model is the foregoing is only, not thereby limits scope of patent protection of the present utility model,
Every equivalent structure transformation made using the utility model specification and accompanying drawing content, or directly or indirectly it is used in other phases
The technical field of pass, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
- A kind of 1. outer cover unit of battery pack, it is characterised in that:Including upper shell, lower house, upper nickel sheet, lower nickel sheet, first converges Stream row, the second bus-bar and epoxy dividing plate, the upper nickel sheet include the first nickel sheet and the second nickel sheet;The upper shell and lower house L-shaped structure, upper shell and lower house surround cavity, and the cavity is used to disposing battery, the upper surface of the upper shell and The lower surface symmetrical matrix of lower house shows battery core positioning hole, and the side end face of upper shell sets positive pole output interface, negative pole output to connect Mouth and the first radiating groove, first radiating groove are arranged between positive and negative electrode output interface;The top of the upper shell is disposed with epoxy dividing plate from top to bottom, spaced first bus-bar and second confluxes Row, spaced first nickel sheet and the second nickel sheet, first bus-bar and the second bus-bar connect positive pole output and connect respectively Mouth and negative pole output interface;First nickel sheet is arranged at the lower section of the first bus-bar, and the second nickel sheet is arranged at the second bus-bar Lower section;The bottom of the lower house sets lower nickel sheet, and the side end face of lower house sets thief hatch, adopted described in the lower nickel sheet connection Sample mouth;The upper and lower nickel sheet is mutually welded by battery core positioning hole, respectively the two poles of the earth with battery.
- 2. outer cover unit according to claim 1, it is characterised in that:The battery core positioning hole is shoulder hole.
- 3. outer cover unit according to claim 1, it is characterised in that:The connecting end surface of the upper shell and the company of lower house Contact surface is provided with symmetrical chamfering structure.
- 4. outer cover unit according to claim 1, it is characterised in that:The upper surface of the upper shell and the lower end of lower house Four corners in face are provided with protuberance, and the protuberance is hierarchic structure, and connecting hole, the company are provided with the protuberance Connect hole and be used for the outer cover unit different with connector mating connection.
- 5. outer cover unit according to claim 1, it is characterised in that:The thickness of upper and lower nickel sheet is according to the maximum defeated of battery Go out to limit current settings.
- 6. outer cover unit according to claim 1, it is characterised in that:Array is set between the battery core pad of upper and lower nickel sheet There is transversely arranged guiding gutter, the guiding gutter is used for the flow direction for guiding electric current in upper and lower nickel sheet.
- 7. outer cover unit according to claim 1, it is characterised in that:The epoxy dividing plate is provided with the second radiating groove and determined Position hole, the equidistant longitudinal arrangement of the second radiating groove, the positioning hole are arranged at four corners of epoxy dividing plate, the positioning Hole is adapted with the ladder upper end shape of upper shell upper surface protuberance.
- 8. outer cover unit according to claim 1, it is characterised in that:The side end face of the lower house is provided with support positioning Fastener, the support positioning fastener are used for fixation of the outer cover unit in electronic box housing.
- A kind of 9. modular unit of battery pack, it is characterised in that:Including 2 groups of battery packs being made up of identical battery core and shell list Member, outer cover unit are the outer cover unit described in claims 1-8 any one claims;The outer cover unit includes chamber Body, the 2 Battery pack group are placed in cavity by different battery core directions.
- 10. a kind of battery bag, the battery bag is combined as the modular unit connection in series-parallel of the battery described in claim 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720565916.0U CN206820036U (en) | 2017-05-19 | 2017-05-19 | A kind of outer cover unit of battery pack, modular unit and battery bag |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201720565916.0U CN206820036U (en) | 2017-05-19 | 2017-05-19 | A kind of outer cover unit of battery pack, modular unit and battery bag |
Publications (1)
Publication Number | Publication Date |
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CN206820036U true CN206820036U (en) | 2017-12-29 |
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CN201720565916.0U Expired - Fee Related CN206820036U (en) | 2017-05-19 | 2017-05-19 | A kind of outer cover unit of battery pack, modular unit and battery bag |
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CN (1) | CN206820036U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109244290A (en) * | 2018-08-28 | 2019-01-18 | 纳恩博(北京)科技有限公司 | The fixation device of energy body group |
CN110098360A (en) * | 2019-04-17 | 2019-08-06 | 上海空间电源研究所 | A kind of carrier rocket modularization lithium-ions battery group |
CN114976505A (en) * | 2022-07-28 | 2022-08-30 | 合力(天津)能源科技股份有限公司 | Underground high-power battery nipple |
WO2022199447A1 (en) * | 2021-03-22 | 2022-09-29 | 东莞新能安科技有限公司 | Battery module and powered device |
-
2017
- 2017-05-19 CN CN201720565916.0U patent/CN206820036U/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109244290A (en) * | 2018-08-28 | 2019-01-18 | 纳恩博(北京)科技有限公司 | The fixation device of energy body group |
CN109244290B (en) * | 2018-08-28 | 2024-04-16 | 纳恩博(北京)科技有限公司 | Fixing device for energy body group |
CN110098360A (en) * | 2019-04-17 | 2019-08-06 | 上海空间电源研究所 | A kind of carrier rocket modularization lithium-ions battery group |
WO2022199447A1 (en) * | 2021-03-22 | 2022-09-29 | 东莞新能安科技有限公司 | Battery module and powered device |
CN114976505A (en) * | 2022-07-28 | 2022-08-30 | 合力(天津)能源科技股份有限公司 | Underground high-power battery nipple |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171229 Termination date: 20200519 |