CN109546013B - Battery pack and vehicle with same - Google Patents
Battery pack and vehicle with same Download PDFInfo
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- CN109546013B CN109546013B CN201710979696.0A CN201710979696A CN109546013B CN 109546013 B CN109546013 B CN 109546013B CN 201710979696 A CN201710979696 A CN 201710979696A CN 109546013 B CN109546013 B CN 109546013B
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- battery
- support
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- 238000005192 partition Methods 0.000 claims description 10
- 238000003466 welding Methods 0.000 abstract description 11
- 238000013461 design Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery pack and a vehicle with the same. The battery pack includes: a housing; the battery module is positioned in the shell; the module assembly support is welded through a plurality of module supports connected end to form a closed annular structure, and the module assembly support is fixed in the shell and surrounded on the outer side of the battery module. According to the battery pack, the module assembly supports are formed by welding the module supports together, so that the module assembly supports are high in strength, the battery modules can be effectively protected in performance tests and daily driving processes, and the safety of the battery pack is improved. Simultaneously, through set up lightening hole, subtract heavy grooving on module assembly support, be favorable to reducing the weight of module assembly support, realize the lightweight design of battery package.
Description
Technical Field
The invention relates to the field of automobiles, in particular to a battery pack and a vehicle with the same.
Background
In current battery package, the battery module support is a plurality of, and each battery module support sets up respectively in four sides of battery module, separates each other between each battery module support, is unfavorable for protecting the battery module from this.
Disclosure of Invention
In view of the above, the present invention is directed to a battery pack, which can better protect a module.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a battery pack, comprising: a housing; the battery module is positioned in the shell; the module assembly support is welded through a plurality of module supports connected end to form a closed annular structure, and the module assembly support is fixed in the shell and surrounded on the outer side of the battery module.
According to some embodiments of the invention, the module assembly holder comprises: the first module support, the second module support, the third module support and the fourth module support that link to each other in proper order, two adjacent module supports are at the junction welded fastening.
Further, the first module support is constructed as a BMS main control board mounting plate, and the outer side surface of the first module support, which deviates from the third module support, is a mounting surface.
Optionally, the height of the first module bracket is greater than the heights of the other module brackets, and a lightening hole is formed in the first module bracket.
According to some embodiments of the invention, the battery pack further comprises: the module assembly support is positioned on the upper surface of the double-layer module intermediate partition plate, and the first module support is provided with a first mounting point for fixing the double-layer module intermediate partition plate; still be provided with on the first module support be used for with the BMS main control board carries out the BMS mounting point fixed, wherein partly BMS mounting point and partly first mounting point are same sharing mounting point.
Further, the BMS mounting points are four, two of the tops of the BMS mounting points are distributed at two top corners of the rectangular first module bracket, and the remaining two are disposed on two bottom corner flaps of the first module bracket; the first mounting points are multiple and arranged on the multiple bottom edge flanges of the first module support, wherein the two bottom edge flanges positioned at the two ends are the bottom angle flanges.
Optionally, two ends of the first module bracket are bent to form first connecting plates, and the two first connecting plates are respectively welded and fixed on the outer side surfaces of one ends of the second module bracket and the fourth module bracket; and second connecting plates are bent at two ends of the third module support, the two second connecting plates are respectively welded and fixed on the outer side surfaces of the other ends of the second module support and the fourth module support, and the second connecting plates are connected with the middle body part of the third module support through convex arc-shaped connecting plates.
Specifically, the bottom edge of each of the second module support, the third module support and the fourth module support is provided with an outward flange, the outward flange is provided with a mounting point for fixing with the double-layer module intermediate partition plate, and the outward flanges on each module support are arranged at intervals and form a weight-reducing slot between two adjacent outward flanges.
According to some embodiments of the invention, the module assembly bracket is provided with a harness snap fixing hole.
Compared with the prior art, the battery pack has the following advantages:
(1) according to the battery pack, the module assembly supports are formed by welding the module supports together, so that the module assembly supports are high in strength, the battery module can be effectively protected in performance tests and daily driving processes, and the safety of the battery pack is improved.
(2) According to the battery pack, the BMS main control board is fixed on the module assembly support, so that the space utilization rate of the battery pack is improved, the internal space of the battery pack is effectively saved, and the weight of the shell of the battery pack is indirectly reduced.
(3) According to the battery pack, the weight-reducing holes and the weight-reducing grooves are formed in the module assembly support, so that the weight of the module assembly support is reduced, and the light weight design of the battery pack is realized.
Another object of the present invention is to provide a vehicle, which includes the battery pack.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic diagram of a battery pack according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery module, a module assembly bracket, a double-layered module middle spacer, and a BMS main control board;
fig. 3 is a schematic view of a BMS host control board.
Description of reference numerals:
the battery module comprises a battery module 1, a module assembly support 2, a first module support 21, a lightening hole 211, a first mounting point 212, a BMS mounting point 213, a base angle flanging 214, a base edge flanging 215, a first connecting plate 216, a second module support 22, a lightening hole 221, a third module support 23, a second connecting plate 231, a middle body part 232, an arc-shaped connecting plate 233, a fourth module support 24, a flanging 25, a mounting point 26, a lightening cutting groove 27, a wire harness buckle fixing hole 28, a welding spot 29, a double-layer module middle partition plate 3, a BMS main control plate 4, an upper mounting foot 41, a lower mounting foot 42 and a wire harness 5.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The battery pack according to the present invention will be described in detail with reference to fig. 1 to 3 in conjunction with the embodiment.
Referring to fig. 1 to 2, a battery pack according to an embodiment of the present invention includes: a shell, a battery module 1 and a module assembly bracket 2. Wherein, battery module 1 is located the casing, and module assembly support 2 is through a plurality of module scaffold weldment of end to end in order to form closed loop configuration, and module assembly support 2 fixes in the casing and encloses the outside of establishing at battery module 1. When the collision power was used in the battery package, the collision power that the casing received was transmitted to module assembly support 2 earlier, and module assembly support 2 warp and absorbs a part collision energy after, remaining collision power reachs battery module 1 again, and this part of remaining collision power reduces greatly to battery module 1's injury value, and it is thus clear that module assembly support 2 can play certain guard action to battery module 1.
In the embodiment, after a plurality of module brackets are welded together to form the module assembly bracket 2, the battery module 1 and the module assembly bracket 2 are fixed in the housing. Compared with the module bracket which is not welded, the strength of the module assembly bracket 2 after welding is higher, so that the battery module 1 can be well protected.
According to the battery pack provided by the embodiment of the invention, the module assembly bracket 2 is formed by welding the plurality of module brackets together, so that the strength of the module assembly bracket 2 is higher, the battery module 1 can be effectively protected in performance tests and daily driving processes, and the safety of the battery pack is further improved.
Specifically, as shown in fig. 1, the module assembly holder 2 includes: the first module support 21, the second module support 22, the third module support 23 and the fourth module support 24 are connected in sequence, and two adjacent module supports are welded and fixed at the joint. A part of the welding spots 29 is located as shown in fig. 1, and a plurality of welding spots 29, for example three welding spots, are arranged between two adjacent module supports, thereby being beneficial to ensure the firmness of the welding between two adjacent module supports.
Further, the first module bracket 21 is configured as a BMS main control board mounting plate, and an outer side surface of the first module bracket 21 facing away from the third module bracket 23 is a mounting surface. Fix BMS main control board 4(BMS, BATTERY MANAGEMENT SYSTEM, BATTERY management system) on module assembly support 2, can increase the inside space utilization of BATTERY package, save the inner space of BATTERY package effectively, reduce the casing weight of BATTERY package indirectly.
Optionally, the first module bracket 21 has a height greater than that of the other module brackets so that the first module bracket 21 is matched with the height of the BMS main control board 4, and the first module bracket 21 is provided with lightening holes 211. The provision of the lightening holes 211 can effectively reduce the increase in weight due to the increase in height of the first module bracket 21, thereby reducing the weight of the module assembly bracket 2 as much as possible.
Referring to fig. 1, the battery pack may further include a double-layered module middle spacer 3, the module assembly bracket 2 is located on an upper surface of the double-layered module middle spacer 3, and the first module bracket 21 has a first mounting point 212 for fixing with the double-layered module middle spacer 3.
The first module bracket 21 is further provided with BMS mounting points 213 for fixing with the BMS main control board 4, wherein a part of the BMS mounting points 213 and a part of the first mounting points 212 are the same common mounting point.
Specifically speaking in combination with fig. 1 and 3, the number of the BMS mounting points 213 is four, and the two BMS mounting points 213 at the top are distributed at two top corners of the rectangular first module support 21, i.e., the upper left corner and the upper right corner of the first module support 21, and the remaining two BMS mounting points 213 are disposed on the two bottom corner flanges 214 of the first module support 21, i.e., the lower left corner and the lower right corner of the first module support 21. The two upper mounting pins 41 of the BMS main control board 4 are adapted to be fixed with the two BMS mounting points 213 of the top, and the two lower mounting pins 42 of the BMS main control board 4 are adapted to be fixed with the two BMS mounting points 213 of the bottom corner. The bottom corner flange 214 is disposed perpendicular to the first module bracket 21, and therefore the lower mounting leg 42 is also perpendicular to the upper mounting leg 41.
Referring to fig. 1, the two BMS mounting points 213 of the top are configured as projection welding studs welded to the first module bracket 21, and the two upper mounting pins 41 of the BMS main control panel 4 are adapted to be fixed to the first module bracket 21 by the two projection welding studs of the top. The two BMS mounting points 213 of the bottom corner are configured as mounting holes, and the two lower mounting pins 42 of the BMS main control board 4 are adapted to be fixed to the first module bracket 21 through the two mounting holes of the bottom corner.
The number of the first mounting points 212 is plural, and the plural first mounting points 212 are provided on the plural bottom flanges 215 of the first module frame 21, wherein the two bottom flanges 215 at both ends are the above-mentioned bottom corner flanges 214. The first mounting points 212 are mounting holes, in the example of fig. 1, the number of the bottom flanges 215 is four, each bottom flange 215 has one first mounting point 212, and the first module bracket 21 is fixed to the double-layer module intermediate floor 3 by the four first mounting points 212 on the four bottom flanges 215.
Alternatively, the first connecting plate 216 is bent at both ends of the first module bracket 21, and the two first connecting plates 216 are welded and fixed to the outer side surfaces of one ends (e.g., the left ends in fig. 1) of the second module bracket 22 and the fourth module bracket 24, respectively.
The second connecting plates 231 are bent at two ends of the third module support 23, the two second connecting plates 231 are respectively welded and fixed on the outer side surfaces of the other ends (such as the right ends in fig. 1) of the second module support 22 and the fourth module support 24, and the second connecting plates 231 are connected with the middle body part 232 of the third module support 23 through convex arc-shaped connecting plates 233. Thereby further enhancing the strength of the module assembly holder 2.
Specifically, the bottom edge of each of the second module bracket 22, the third module bracket 23 and the fourth module bracket 24 is provided with a flange 25, and the flange 25 is arranged perpendicular to each module bracket, for example, the angle between the flange 25 and the fourth module bracket 24 is 90 °, thereby facilitating the fixation of the module assembly bracket 2 on the double-layer module intermediate partition 3.
Further, the number of the flanging 25 on each bottom edge can be multiple, the flanging 25 is provided with a mounting point 26 for fixing with the double-layer module middle partition plate 3, the mounting point 26 can be a mounting hole, the flanging 25 on each module bracket is arranged at intervals, and a weight-reducing slot 27 is formed between two adjacent flanging 25. The number of the weight-reducing slits 27 is plural, whereby the weight of the module assembly holder 2 can be further reduced, thereby improving the energy density of the entire battery pack.
Referring to fig. 1, the module assembly bracket 2 is provided with a harness snap fixing hole 28. Be provided with pencil 5 between battery module 1 and BMS main control board 4, wear to be equipped with a plurality of pencil buckles on pencil 5, the pencil buckle is suitable for to be fixed in pencil buckle fixed orifices 28, can fix pencil 5 in the outside of module assembly support 2 from this, is favorable to promoting the regularity of pencil 5 in the battery package from this.
The second module bracket 22 is further provided with an avoiding hole 221 for avoiding other parts, and the avoiding hole 221 can reduce the weight of the module assembly bracket 2 to a certain extent.
Through set up lightening hole 211, subtract heavy grooving 27 on module assembly support 2, be favorable to reducing the weight of module assembly support 2, realize the lightweight design of battery package.
According to another aspect of the embodiment of the invention, the vehicle comprises the battery pack of the above embodiment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (7)
1. A battery pack, comprising:
a housing;
the battery module (1), the said battery module (1) locates in said body;
the battery module assembly comprises a module assembly support (2), the module assembly support (2) is welded through a plurality of module supports which are connected end to form a closed annular structure, and the module assembly support (2) is fixed in the shell and is arranged on the outer side of the battery module (1) in an enclosing mode;
the module assembly support (2) comprises: the module comprises a first module bracket (21), a second module bracket (22), a third module bracket (23) and a fourth module bracket (24) which are connected in sequence, wherein the adjacent two module brackets are welded and fixed at the joint; the first module bracket (21) is constructed as a BMS main control board mounting plate, and the outer side surface of the first module bracket (21) departing from the third module bracket (23) is a mounting surface; the height of the first module bracket (21) is greater than the height of other module brackets, and a lightening hole (211) is formed in the first module bracket (21).
2. The battery pack of claim 1, further comprising: the double-layer module intermediate partition plate (3), the module assembly bracket (2) is positioned on the upper surface of the double-layer module intermediate partition plate (3), and the first module bracket (21) is provided with a first mounting point (212) for fixing with the double-layer module intermediate partition plate (3);
the first module bracket (21) is further provided with BMS mounting points (213) for fixing with the BMS main control panel (4), wherein a part of the BMS mounting points (213) and a part of the first mounting points (212) are the same common mounting point.
3. The battery pack according to claim 2, wherein the BMS mounting points (213) are four and two of the top are distributed at two top corners of the rectangular first module bracket (21), and the remaining two are disposed on two bottom corner flanges (214) of the first module bracket (21);
the first mounting points (212) are multiple and are arranged on a plurality of bottom edge flanges (215) of the first module bracket (21), wherein the two bottom edge flanges (215) at two ends are the bottom corner flanges (214).
4. The battery pack according to claim 1, wherein the first module holder (21) is bent at both ends thereof to form first connection plates (216), and the two first connection plates (216) are welded and fixed to outer side surfaces of one ends of the second module holder (22) and the fourth module holder (24), respectively;
second connecting plates (231) are bent at two ends of the third module support (23), the two second connecting plates (231) are respectively welded and fixed on the outer side faces of the other ends of the second module support (22) and the fourth module support (24), and the second connecting plates (231) are connected with a middle body portion (232) of the third module support (23) through convex arc-shaped connecting plates (233).
5. The battery pack according to claim 2, wherein each of the second module holder (22), the third module holder (23) and the fourth module holder (24) is provided at a bottom edge thereof with a flange (25), the flange (25) is provided with a mounting point (26) for fixing with the double-layer module intermediate partition (3), and a plurality of flanges (25) are provided at intervals on each module holder and form a weight-reducing slit (27) between adjacent two flanges (25).
6. The battery pack according to claim 1, wherein the module assembly holder (2) is provided with a harness snap fixing hole (28).
7. A vehicle, characterized by comprising a battery pack according to any one of claims 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979696.0A CN109546013B (en) | 2017-10-19 | 2017-10-19 | Battery pack and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710979696.0A CN109546013B (en) | 2017-10-19 | 2017-10-19 | Battery pack and vehicle with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109546013A CN109546013A (en) | 2019-03-29 |
| CN109546013B true CN109546013B (en) | 2021-08-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710979696.0A Active CN109546013B (en) | 2017-10-19 | 2017-10-19 | Battery pack and vehicle with same |
Country Status (1)
| Country | Link |
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| CN (1) | CN109546013B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149777B (en) * | 2019-05-06 | 2020-11-20 | 蜂巢能源科技有限公司 | Integrated BMS shell and battery pack with same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102063935B1 (en) * | 2015-10-13 | 2020-01-08 | 주식회사 엘지화학 | Battery Module |
| CN206116483U (en) * | 2016-09-30 | 2017-04-19 | 长城汽车股份有限公司 | A double -deck module bracket component for battery package |
| CN206412380U (en) * | 2016-12-29 | 2017-08-15 | 武汉力神动力电池系统科技有限公司 | A kind of lithium-ion power battery box |
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2017
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| Publication number | Publication date |
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| CN109546013A (en) | 2019-03-29 |
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Address after: No.8899 Xincheng Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: SVOLT Energy Technology Co.,Ltd. Address before: 213000 168 Huacheng Road, Jintan District, Changzhou, Jiangsu Patentee before: SVOLT Energy Technology Co.,Ltd. |
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