CN209087956U - Battery core protective device and rectangular cell mould group - Google Patents
Battery core protective device and rectangular cell mould group Download PDFInfo
- Publication number
- CN209087956U CN209087956U CN201822239537.XU CN201822239537U CN209087956U CN 209087956 U CN209087956 U CN 209087956U CN 201822239537 U CN201822239537 U CN 201822239537U CN 209087956 U CN209087956 U CN 209087956U
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- Prior art keywords
- mould group
- protective device
- battery core
- plate
- core protective
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- 230000001681 protective effect Effects 0.000 title claims abstract description 47
- 238000005452 bending Methods 0.000 claims abstract description 25
- 229910052782 aluminium Inorganic materials 0.000 claims description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 9
- 239000004411 aluminium Substances 0.000 claims description 8
- 238000003466 welding Methods 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery core protective device and rectangular cell mould group, is related to battery modules technical field, the connection being able to solve between existing battery core protective device adjacent panels there is technical issues that.The battery core protective device, comprising: mould group end plate and mould group side plate, mould group end plate and mould group side plate surround the accommodating chamber for accommodating battery pack and opposite end openings;Mould group side plate includes straight panel section and the bending section for being installed in straight panel section both ends, and bending section is overlapped in mould group end plate and the two is to be fixedly connected.The rectangular battery modules, comprising: battery core protective device.The battery core protective device and rectangular cell mould group can make the connection between mould group end plate and mould group side plate more stable, reliable.
Description
Technical field
The utility model relates to battery modules technical fields, more particularly, to a kind of battery core protective device and rectangular cell mould
Group.
Background technique
Battery core is divided into cylindrical electrical core, soft pack cell and three kinds of square electric cell.For irregular Battery case, cylindrical electrical core
Space can be made full use of, opposite square electric cell and soft pack cell are advantageously.The monomer energy density of soft pack cell than cylinder and
Rectangular to have higher room for promotion but more demanding to module design, safety is not easy control.Square battery core is more suitable for rule
Cabinet, battery core volume, which becomes larger, to be conducive to improve battery core energy density, and improved efficiency space is limited in groups for subsequent mould group, depends on list
The promotion of body battery core energy density.
Currently, the mould group group efficiency of the cylindrical electrical core in industry is about 87%, system group efficiency is about 65%;Soft Roll
Battery core mould group group efficiency is about 85%, and system group efficiency is about 60%;The mould group group efficiency of square electric cell is about 89%,
System group efficiency is about 70%.
If calculated according to current system group efficiency, to reach and " promote automobile power cell industry development action side
Case " propose the year two thousand twenty new system of lithium ion battery energy density 260Wh/kg requirement, then, cylinder single battery core just needs
Reach 400Wh/kg, Soft Roll single battery core energy density will reach 433Wh/kg, and square individual battery core energy density needs reach
To 371Wh/kg.Obviously, it is difficult will to reach this level for the year two thousand twenty single battery core energy density, then, it further increases dynamic
The group efficiency of power battery just becomes very necessary and urgent.
Optimization mould group is also to promote an important channel of battery pack system space utilization rate, by improving mould group in groups
Mode and heat management system design, reduce battery core spacing, to promote the utilization rate in space in Battery case.Mould group in groups
In mode, usually increase protective device for battery core in groups in the external of several battery cores, this kind of mode is meeting the same of mould group intensity
When, it also can satisfy the light-weighted design of mould group and the design that modular volume minimizes.However, existing battery core protective device phase
There are inconveniences for connection between adjacent plate, and connection effect is not ideal enough.
Utility model content
The first of the utility model is designed to provide a kind of battery core protective device, to solve existing battery core protective device phase
Connection between adjacent plate there is technical issues that.
Battery core protective device provided by the utility model, comprising: mould group end plate and the mould group affixed with the mould group end plate
Side plate, the mould group end plate and the mould group side plate surround the accommodating chamber for accommodating battery pack and opposite end openings.
The mould group side plate includes straight panel section and the bending section for being installed in straight panel section both ends, the bending section with it is described
Mould group end plate overlap joint and the two are to be fixedly connected.
In the above-mentioned technical solutions, further, the straight panel section is installed with upper limit plate and lower limiting board, for making electricity
Pond group is limited between the upper limit plate and the lower limiting board.
In the above-mentioned technical solutions, further, the upper limit plate and the lower limiting board protrude from the straight panel
The side wall of section.
The upper limit plate is set at the upper marginal position of the straight panel section, and the lower limiting board is set to the straight panel
At the lower edge position of section, and it is extended respectively along the arragement direction of multiple battery cells.
In the above-mentioned technical solutions, further, the mould group end plate and the bending section are using welding.
In the above-mentioned technical solutions, further, the mould group end plate and the bending section are using riveting.
In the above-mentioned technical solutions, further, the mould group end plate is profile structure part.
And/or the mould group side plate is sheet metal component.
In the above-mentioned technical solutions, further, the mould group side plate is made of at least one block of aluminium sheet or aluminium alloy plate.
In the above-mentioned technical solutions, further, the mould group end plate is aluminium profile structure part.
In the above-mentioned technical solutions, further, the mould group end plate is equipped with multiple intervals and is arranged and penetrates through from top to bottom
Spaced cavities.
Battery core protective device provided by the utility model the utility model has the advantages that
In the battery core protective device, mould group end plate and mould group side plate enclose the accommodating chamber for being set as opposite end openings, by battery
Group is placed in the accommodating chamber, can be played a certain protective role to battery pack.Furthermore by mould group end plate and mould group side plate group
During dress, since mould group side plate includes straight panel section and the bending section for being fixed at straight panel section both ends, bending section and mould group
End plate overlap joint and the two are to be fixedly connected, and the connecting portion of straight panel section and bending section can play certain position-limiting action, in turn
Play the role of positioning, is tabular with mould group side plate in the prior art and directly connect with mould group end plate (tabular) to come
Say, on the one hand, the protective device of the utility model can make the connection between mould group end plate and mould group side plate it is more stable, can
It leans on;On the other hand, the two is fixed together for operator in assembly operation more convenient, quick.
The second of the utility model is designed to provide a kind of rectangular cell mould group, to solve existing battery core protective device phase
Connection between adjacent plate there is technical issues that.
Rectangular cell mould group provided by the utility model, comprising: battery pack and battery core protective device;The battery pack limit
In in the accommodating chamber.
Rectangular cell mould group provided by the utility model the utility model has the advantages that
It include battery core protective device in the rectangular battery modules, wherein the specific structure of the battery core protective device, connection are closed
System and beneficial effect etc. are described in detail in above-mentioned text, and details are not described herein.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the first structural schematic diagram for the battery core protective device that the utility model embodiment one provides;
Fig. 2 is the structural schematic diagram of mould group side plate in battery core protective device shown in Fig. 1;
Fig. 3 is second of structural schematic diagram of the battery core protective device that the utility model embodiment one provides;
Fig. 4 is the structural schematic diagram for the rectangular cell mould group that the utility model embodiment two provides.
Icon:
100- mould group end plate;200- mould group side plate;300- battery pack;
110- spaced cavities;
210- straight panel section;220- bending section;
211- upper limit plate;212- lower limiting board;
221- riveted holes.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill all other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the mechanism of indication or suggestion meaning or element must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection of two component internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
The concrete meaning of language in the present invention.
Embodiment one
The present embodiment one provides a kind of battery core protective device, as depicted in figs. 1 and 2, comprising: mould group end plate 100 and with
The affixed mould group side plate 200 of mould group end plate 100, mould group end plate 100 and mould group side plate 200 surround for accommodate battery pack 300 and
The accommodating chamber of opposite end openings;Mould group side plate 200 includes straight panel section 210 and the bending section 220 for being installed in 210 both ends of straight panel section,
Bending section 220 is overlapped with mould group end plate 100 and the two is to be fixedly connected.
In the battery core protective device, mould group end plate 100 and mould group side plate 200 surround the accommodating chamber of opposite end openings, will
Battery pack 300 is placed in the accommodating chamber, can be played a certain protective role to battery pack 300.
Furthermore during assembling mould group end plate 100 and mould group side plate 200, since mould group side plate 200 includes straight panel
Section 210 and the bending section 220 for being fixed at 210 both ends of straight panel section, bending section 220 are overlapped in mould group end plate 100 and the two
To be fixedly connected, the connecting portion of straight panel section 210 and bending section 220 can play certain position-limiting action, and then play positioning
Effect, be tabular with mould group side plate 200 in the prior art and directly connect with mould group end plate 100 (being also tabular) come
It says, on the one hand, the protective device in the present embodiment can make mould group end plate 100 steady compared with the connection between mould group side plate 200
It is fixed, reliable;On the other hand, the two is fixed together for operator in assembly operation also more convenient, fast
It is prompt.
The battery core protective device is suitable for square electric cell, soft pack cell or cylindrical electrical core.
Multiple battery cells are connected by series-parallel system it should be noted that " battery pack 300 " mentioned above refers to
It is connected together.
In the embodiment, as shown in Fig. 2, straight panel section 210 is fixedly installed upper limit plate 211 and lower limiting board 212, it is used for
It is limited in battery pack 300 between upper limit plate 211 and lower limiting board 212.
Please continue to refer to Fig. 2, specifically, upper limit plate 211 and lower limiting board 212 protrude from the side wall of straight panel section 210;
Upper limit plate 211 is set at the upper marginal position of straight panel section 210, and lower limiting board 212 is set to the lower edge position of straight panel section 210
Place is set, and is extended respectively along the arragement direction of multiple battery cells.
In the embodiment, upper limit plate 211 is used for the fixation and limit on 300 top of battery pack;Lower limiting board 212 is used for
The fixation and limit of 300 bottom end of battery pack, so that battery pack will not be made after the outside of battery pack 300 adds the protective device
300 shake.
Wherein, please continue to refer to Fig. 2, the width of upper limit plate 211 is less than the width of lower limiting board 212.
It should be noted that mould group end plate 100 and bending section 220 be fixedly connected mode can there are many, be not limited to
Specific constructive form explained below.
In one embodiment, as shown in Figure 1, mould group end plate 100 and bending section 220 are connected to one by the way of welding
It rises.
In another embodiment, as shown in figure 3, mould group end plate 100 is connected to by the way of riveting with bending section 220
Together, which makes the connection of the two more convenient, quick.
Specifically, please continue to refer to Fig. 3, bending section 220 is equipped with riveted holes 221, rivet sequentially pass through riveted holes 221,
Mould group end plate 100 is fixed together by the hole on mould group end plate 100 with bending section 220.
Battery core protective device in the embodiment includes two pieces of mould group end plates 100 and two blocks of mould group side plates 200, two pieces of mould groups
End plate 100 and two pieces of connections of mould group side plate 200 surround hollow rectangular parallelepiped structure.
Certainly, which can be with any group of one or more mould group end plate 100 and mould group side plate 200
It closes, as long as mould group end plate 100 and mould group side plate 200 can be fixed together to the accommodating chamber to be formed and be used to accommodate battery pack 300
Within the scope of the utility model is protected.
Wherein, mould group end plate 100 is used to protect two sides of battery pack 300 and fixes with mould group side plate 200;Mould group
Side plate 200 is used to protect other two side of battery pack 300 and fixes with mould group end plate 100.
In the embodiment, mould group end plate 100 is profile structure part.
Specifically, mould group end plate 100 is aluminium profile structure part, and the aluminium section is lighter, can reduce mould group end plate 100
Weight, and then mitigate battery core protective device overall weight.
It should be noted that the material of mould group end plate 100 is not limited to aluminium, other light material systems can also be used
At.
In the embodiment, mould group side plate 200 is sheet metal component.
Wherein, mould group side plate 200 is made of at least one block of aluminium sheet or aluminium alloy plate, and aluminium section is lighter, can reduce
The weight of mould group side plate 200, and then mitigate the overall weight of battery core protective device.
It should be noted that mould group side plate 200 can also be using stainless steel plate or galvanized sheet etc.;Certainly, mould group side plate 200
Other materials plate can also be used, as long as the use intensity for being able to satisfy mould group side plate 200 requires in the guarantor of the utility model
Within the scope of shield.
Wherein, mould group end plate 100 and mould group side plate 200 can be made of different materials, can also be used identical
Material is made.
For mould group side plate 200, it can be made of the plate of one piece of above-mentioned material, it can also be above-mentioned by least two pieces
The plate of material is affixed to be formed.
When mould group side plate 200 is made of multi-sheets, the connection type between adjacent sheet metal can be using welding, screw thread
Connection, riveting etc., as long as the plate of the identical or different material of muti-piece can be fixed together to form mould group side plate 200 at this
Within the scope of utility model is protected.
On the basis of the above embodiments, as shown in Fig. 1 or Fig. 3, mould group end plate 100 is equipped with the setting of multiple intervals and from upper
And the spaced cavities 110 of lower perforation.
The setting of the spaced cavities 110 meets outside use intensity requirement in guarantee mould group end plate 100 from structure, can
The weight for further mitigating mould group end plate 100, to meet the light-weighted design of mould group.
As shown in Fig. 1 or Fig. 3, section of the spaced cavities 110 in overlook direction in the present embodiment is rectangular but unlimited
In the shape, it can also be triangle, can also be round, irregular figure or other polygonized structures.
It should be noted that " upper and lower " mentioned above refers respectively to according to the upper of mould group side plate 200 shown in Fig. 1
The direction at end and lower end.
Embodiment two
As shown in Figures 1 to 4, the present embodiment two provides a kind of rectangular cell mould group, comprising: battery pack 300 and above-mentioned
Battery core protective device in embodiment one;Wherein, battery pack 300 is limited in accommodating chamber.
It include battery core protective device in the rectangular battery modules, wherein the specific structure of the battery core protective device, connection are closed
System and beneficial effect etc. are described in detail in above-mentioned text, and details are not described herein.
Wherein, Fig. 4 is shown mould group end plate 100 and is linked together by the way of welding with bending section 220.
Please continue to refer to Fig. 4, the battery pack 300 in the rectangular battery modules includes eight battery cells.
It should be noted that the quantity of battery cell is not limited to eight in battery pack 300, multiple battery cells can be according to
Design requirement permutation and combination together, improves the space utilization rate and versatility of battery core protective device.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of battery core protective device characterized by comprising mould group end plate (100) and affixed with the mould group end plate (100)
Mould group side plate (200), the mould group end plate (100) and the mould group side plate (200) surround for accommodate battery pack (300) and
The accommodating chamber of opposite end openings;
The mould group side plate (200) includes straight panel section (210) and the bending section (220) for being installed in straight panel section (210) both ends,
The bending section (220) overlaps with the mould group end plate (100) and the two is to be fixedly connected.
2. battery core protective device according to claim 1, which is characterized in that be installed with the upper limit on the straight panel section (210)
Position plate (211) and lower limiting board (212), for making battery pack (300) be limited in the upper limit plate (211) and the lower limit
Between plate (212).
3. battery core protective device according to claim 2, which is characterized in that the upper limit plate (211) and the lower limit
Position plate (212) protrudes from the side wall of the straight panel section (210);
The upper limit plate (211) is set at the upper marginal position of the straight panel section (210), and the lower limiting board (212) sets
It is placed at the lower edge position of the straight panel section (210), and is extended respectively along the arragement direction of multiple battery cells.
4. battery core protective device according to claim 1, which is characterized in that the mould group end plate (100) and the bending
Section (220) is using welding.
5. battery core protective device according to claim 1, which is characterized in that the mould group end plate (100) and the bending
Section (220) is using riveting.
6. battery core protective device according to claim 1-5, which is characterized in that the mould group end plate (100) is
Profile structure part;
And/or the mould group side plate (200) is sheet metal component.
7. battery core protective device according to claim 6, which is characterized in that the mould group side plate (200) is by least one piece
Aluminium sheet or aluminium alloy plate are made.
8. battery core protective device according to claim 1, which is characterized in that the mould group end plate (100) is aluminum profile knot
Component.
9. battery core protective device according to claim 1, which is characterized in that the mould group end plate (100) is equipped with multiple
The spaced cavities (110) interval setting and penetrated through from top to bottom.
10. a kind of rectangular cell mould group characterized by comprising described in any one of battery pack (300) and claim 1-9
Battery core protective device;
The battery pack (300) is limited in the accommodating chamber.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201822239537.XU CN209087956U (en) | 2018-12-28 | 2018-12-28 | Battery core protective device and rectangular cell mould group |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201822239537.XU CN209087956U (en) | 2018-12-28 | 2018-12-28 | Battery core protective device and rectangular cell mould group |
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Publication Number | Publication Date |
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CN209087956U true CN209087956U (en) | 2019-07-09 |
Family
ID=67127614
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CN201822239537.XU Active CN209087956U (en) | 2018-12-28 | 2018-12-28 | Battery core protective device and rectangular cell mould group |
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CN (1) | CN209087956U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111584780A (en) * | 2020-04-30 | 2020-08-25 | 东风汽车集团有限公司 | Protection plate and long module cutting method |
CN112421173A (en) * | 2020-11-13 | 2021-02-26 | 安徽和鼎机电设备有限公司 | Lithium battery module for forklift |
CN112928379A (en) * | 2021-04-21 | 2021-06-08 | 江西安驰新能源科技有限公司 | Concatenation formula battery module |
-
2018
- 2018-12-28 CN CN201822239537.XU patent/CN209087956U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111584780A (en) * | 2020-04-30 | 2020-08-25 | 东风汽车集团有限公司 | Protection plate and long module cutting method |
CN112421173A (en) * | 2020-11-13 | 2021-02-26 | 安徽和鼎机电设备有限公司 | Lithium battery module for forklift |
CN112928379A (en) * | 2021-04-21 | 2021-06-08 | 江西安驰新能源科技有限公司 | Concatenation formula battery module |
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