CN209071466U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
- Publication number
- CN209071466U CN209071466U CN201822267249.5U CN201822267249U CN209071466U CN 209071466 U CN209071466 U CN 209071466U CN 201822267249 U CN201822267249 U CN 201822267249U CN 209071466 U CN209071466 U CN 209071466U
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- Prior art keywords
- mould group
- battery pack
- plate
- side plate
- mounting bracket
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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
Abstract
A kind of battery pack and vehicle, battery pack include: battery pack bottom case, and the battery pack bottom case has bottom case crossbeam；One layer of mould group, one layer of mould group are installed on the battery pack bottom case, and one layer of mould group is equipped with the first side plate, and first side plate is connected with the bottom case crossbeam；Two layers of mould group, two layers of mould group are arranged in above one layer of mould group, and two layers of mould group is equipped with the second side plate；Side mounting bracket, the lower end of the side mounting bracket are connected with first side plate, and the upper end of the side mounting bracket is connected with second side plate；End fixed plate, the end fixed plate are set to the both ends of one layer of mould group and two layers of mould group and are connected with the battery pack bottom case and the side mounting bracket.By designing the structure of side mounting bracket and end fixed plate, protection can be provided to battery modules in the multi-direction of side, and the intensity and rigidity of superstructure and battery pack can be obviously improved, improve two layers of mould group first-order modal frequency.
Description
Technical field
The utility model relates to battery pack mounting technology fields, in particular to a kind of battery pack and have the battery
The vehicle of packet.
Background technique
With reaching its maturity for vehicle technology development, what electric vehicle had been increasingly becoming in people's daily life only or had lacked
The vehicles.In the process of moving, automobile can encounter various extremely complex road surface operating conditions.
To promote electric vehicle entirety cruising ability, increase battery pack energy density, batteries of electric automobile packet generallys use double
The design of layer modular structure design, this bilayer modular structure can not only increase the charge capacity i.e. energy density of battery pack, but also can
To save the overall space of battery pack, while reducing whole packet quality and cost.
It is located at the double-deck modular structure of side plate to mould group installation point at present there are upper layer mould group rigidity is weaker, first-order modal is inclined
It is low, it is easy to generate resonance with ground excitation during running over.At the same time, when battery pack is by large impact or random vibration
It is easy to cause structural member fatigue and upper layer mould group to shake problem when condition of starting building.
Utility model content
In view of this, the utility model is directed to a kind of battery pack that upper stiffness layer is big.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery pack, comprising: battery pack bottom case, the battery pack bottom case have bottom case crossbeam；One layer of mould group, described one
Layer mould group is installed on the battery pack bottom case, and one layer of mould group is equipped with the first side plate, first side plate and the bottom
Shell crossbeam is connected；Two layers of mould group, two layers of mould group are arranged in above one layer of mould group, and two layers of mould group is equipped with second
Side plate；Side mounting bracket, the lower end of the side mounting bracket are connected with first side plate, the side mounting bracket
Upper end is connected with second side plate；End fixed plate, the end fixed plate are set to one layer of mould group and two layers of mould
Group both ends and be connected with the battery pack bottom case and the side mounting bracket.
Further, the side mounting bracket is supported between first side plate and second side plate so that described
The lower surface of two layers of mould group is spaced apart with the upper surface of one layer of mould group.
Further, first side plate and second side plate include: and one layer of mould group or two layers of mould
The support plate side of group connected side plate body and be connected with the side plate body, the support plate support or oppose relative to the side plate body
It is stretched out from the direction of one layer of mould group or two layers of mould group, the lower end of the side mounting bracket and first side plate
Support plate is connected, and the upper end of the side mounting bracket is connected with the support plate of second side plate.
Further, the support plate is vertical with the middle part of the side plate body connect.
Further, the two sides of one layer of mould group are equipped with first side plate, and the two sides of two layers of mould group are all provided with
There is second side plate, two support plates, the side installation branch of two be disposed adjacent side by side, second side plate
Frame, two be disposed adjacent side by side, first side plate two support plates be sequentially stacked.
Further, the side mounting bracket is the box like structure with hollow cavity.
Further, reinforcing rib is equipped in the hollow cavity of the side mounting bracket.
Further, the top of the end fixed plate is connected with the side mounting bracket, the end fixed plate
Lower part is connected with the bottom plate of the battery pack bottom case and the bottom case crossbeam.
Further, the lower edge of the end fixed plate is equipped with lower flange, the lower flange and the battery pack bottom case
Bottom plate be connected, the side of the lower part of the end fixed plate is equipped with lateral flange, and the lateral flange is connected with the bottom case crossbeam.
Compared with the existing technology, battery pack described in the utility model has the advantage that
1) by design side mounting bracket and end fixed plate structure, can side multiple directions to battery mould
Group provides protection, and can be obviously improved the intensity and rigidity of superstructure and battery pack, improves two layers of mould group first-order modal frequency
Rate avoids motivating to generate with ground resonating, weakens battery pack upper layer mould group because severe impact bring is shaken, and then improve battery
It wraps whole packet shock resistance and resists the ability of random vibration, to guarantee the general safety characteristic of battery pack.
The another object of the utility model is to propose a kind of vehicle, have it is above-mentioned it is any as described in battery pack.
Possessed advantage is identical compared with the existing technology with above-mentioned battery pack for the vehicle, and details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of battery pack described in the utility model embodiment；
Partial enlarged view in Fig. 2 Fig. 1 at A；
Fig. 3 is the partial enlarged view in Fig. 1 at B.
Description of symbols:
Battery pack 100,
One layer of mould group 10, the first side plate 11, the side plate body 11a of the first side plate, the support plate 11b of the first side plate, two layers of mould
Group 20, the second side plate 21, the side plate body 21a of the second side plate, the support plate 21b of the second side plate, side mounting bracket 30, hollow cavity
31, reinforcing rib 32,
End fixes 40, lower flange 41, lateral flange 42,
Bottom case crossbeam 50.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, the battery pack 100 of the utility model embodiment includes: battery pack bottom case, one layer 10, two layers of mould group
Mould group 20, side mounting bracket 30, end fixed plate 40.
Wherein, battery pack bottom case has bottom plate and bottom case crossbeam 50, and bottom case crossbeam 50 is fixedly connected with bottom plate, to enhance electricity
The strength and stiffness of pond packet bottom case.
As shown in Figure 1, one layer of mould group 10 and two layers of mould group 20 are mounted on above battery pack bottom case to form double-mold group,
One layer of mould group 10 and two layers of mould group 20 can be it is multiple, it is laterally spaced apart two groups, two groups that multiple one layer of mould group 10, which are divided to,
Between gap for installing the structures such as water cooling tube or wire harness bracket, accordingly, the centre of bottom case crossbeam 50, which can be equipped with, to be used
In the gap of evacuation.Every group of multiple one layer of mould group 10 are arranged side by side along longitudinal direction.
One layer of mould group 10 is installed on battery pack bottom case, and one layer of mould group 10 is equipped with the first side plate 11, the first side plate 11 with
The side of one layer of mould group 10 is fixedly connected, and the first side plate 11 is connected with bottom case crossbeam 50, that is to say, that one layer of mould group 10 passes through the
Side plate 11 is fixedly linked with bottom case crossbeam 50 and realizes being mounted laterally for one layer of mould group 10.
Two layers of mould group 20 are arranged in one layer of mould group, 10 top, and two layers of mould group 20 are equipped with the second side plate 21, the second side plate 21
It is fixedly connected with the side of two layers of mould group 20.
The lower end of side mounting bracket 30 is connected with the first side plate 11, the upper end of side mounting bracket 30 and the second side plate 21
It is connected, that is to say, that side mounting bracket 30 is located at the side of two layers of mould group 20, and two layers of mould group 20 pass through the second side plate 21, side
Side mounting bracket 30 is connected with the first side plate 11, and side mounting bracket 30 can be on lateral to one layer of mould group 10 and two layers of mould
Group 20 provides protection, and can improve the lateral rigidity of two layers of mould group 20.
End fixed plate 40 is set to the both ends of one layer of mould group 10 and two layers of mould group 20, and end fixed plate 40 and battery pack bottom
Shell and side mounting bracket 30 are connected.End fixed plate 40 can provide one layer of mould group 10 and two layers of mould group 20 in end anti-
Shield, and it is in longitudinal direction (width direction of mould group) that side mounting bracket 30 is fixed, to significantly improve two layers of mould group, 20 longitudinal direction
Rigidity.
In this way, can under the premise of guaranteeing 100 whole packet quality requirement of battery pack, increase the whole packet rigidity of battery pack 100 and
Intensity improves whole packet first-order modal, and whole packet is avoided to generate resonance with ground excitation, effectively improves battery pack 100 in vibration, impact
The antifatigue durable and non-deformability of equal complex working conditions reduces the wind that battery pack 100 is on fire under complex working condition, explodes
Danger.
According to the battery pack 100 of the utility model embodiment, pass through design side mounting bracket 30 and end fixed plate 40
Structure, protection can be provided to battery modules in the multiple directions of side, and superstructure and battery pack can be obviously improved
100 intensity and rigidity improves two layers of mould group, 20 first-order modal frequency, avoids motivating to generate with ground resonating, weakens battery pack
100 upper layer mould groups improve the whole packet shock resistance of battery pack 100 and resist the energy of random vibration because severe impact bring is shaken
Power, to guarantee the general safety characteristic of battery pack 100.
As shown in Fig. 2, side mounting bracket 30 is supported between the first side plate 11 and the second side plate 21 so that two layers of mould group
20 lower surface is spaced apart with the upper surface of one layer of mould group 10.In this way, the excitation that can prevent one layer of mould group 10 from receiving directly passes
It leads to two layers of mould group 20, and the gap between one layer of mould group 10 and two layers of mould group 20 can be used as the space of heat dissipation.
As shown in Fig. 2, the first side plate 11 include: side plate body 11a and support plate 11b, the side plate body 11a of the first side plate 11 with
The side of one layer of mould group 10 is connected, and the support plate 11b of the first side plate 11 is connected with the side plate body 11a of the first side plate 11, the first side
The support plate 11b of plate 11 is stretched out relative to the side plate body 11a of the first side plate 11 to the direction away from one layer of mould group 10.First side plate
The side plate body 11a of 11 support plate 11b and the first side plate 11 can be formed as one T-shaped.The support plate of first side plate 11
11b is vertical with the middle part of the side plate body 11a of the first side plate 11 to be connect.
As shown in Fig. 2, the second side plate 21 include: side plate body 21a and support plate 21b, the side plate body 21a of the second side plate 21 with
The side of two layers of mould group 20 is connected, and the support plate 21b of the second side plate 21 is connected with the side plate body 21a of the second side plate 21, second side
The support plate 21b of plate 21 is stretched out relative to the side plate body 21a of the second side plate 21 to the direction away from two layers of mould group 20.Second side plate
The side plate body 21a of 21 support plate 21b and the second side plate 21 can be formed as one T-shaped.The support plate of second side plate 21
21b is vertical with the middle part of the side plate body 21a of the second side plate 21 to be connect.
As shown in Fig. 2, the lower end of side mounting bracket 30 is connected with the support plate 11b of the first side plate 11, side installation branch
The upper end of frame 30 is connected with the support plate 21b of the second side plate 21.The lower surface of side mounting bracket 30 is supported in the first side plate 11
Support plate 11b upper surface, the lower wall surface of side mounting bracket 30 can be horizontal with support plate 11b, the bottom case of the first side plate 11
Beam 50 can be connected by multiple threaded connectors, the support plate 21b of the upper surface of side mounting bracket 30 and the second side plate 21
Lower surface fitting, the upper wall surface of side mounting bracket 30 and the support plate 21b of the second side plate 21 can be connected by multiple screw threads
Fitting is connected.In this way, one layer of mould group 10 and two layers of mould group 20 can form an entirety by lateral side mounting bracket 30,
And pass through the connection structure of side mounting bracket 30 and the first side plate 11, the second side plate 21, two layers of mould group can be significantly improved
20 lateral stiffness and vertical rigidity.
As shown in Fig. 2, side mounting bracket 30 is the box like structure with hollow cavity 31.The transverse direction of side mounting bracket 30
Both ends can open wide, the side mounting bracket 30 of box like structure has the advantages that light-weight intensity is big, and when being hit,
The side mounting bracket 30 of box like structure can deform crumple to absorb impact energy, protect the battery modules of inside.
As shown in Fig. 2, being equipped with reinforcing rib 32 in the hollow cavity 31 of side mounting bracket 30, reinforcing rib 32 can transversely prolong
It stretches, and hollow cavity 31 is divided for multiple sub- cavitys, the strength and stiffness of side mounting bracket 30 can be enhanced in reinforcing rib 32.
As shown in figures 1 and 3, the two sides of one layer of mould group 10 are equipped with the first side plate 11, and the two sides of two layers of mould group 20 are all provided with
There is the second side plate 21, it is two support plates of two the second side plates 21 being disposed adjacent side by side, side mounting bracket 30, adjacent side by side
Two support plates of two the first side plates 11 being arranged sequentially are stacked.
In some embodiments, as shown in Figure 1, the top of end fixed plate 40 is connected with side mounting bracket 30, end
The lower part of fixed plate 40 is connected with the bottom plate of battery pack bottom case and bottom case crossbeam 50.The top and side of end fixed plate 40 are installed
The end of bracket 30 is connected using threaded connector, and the lower part of end fixed plate 40 and bottom plate and bottom case crossbeam 50 use mig
Welding.The lower edge of end fixed plate 40 is equipped with lower flange 41, and lower flange 41 is connected with the bottom plate of battery pack bottom case, and end is fixed
The side of the lower part of plate 40 is equipped with lateral flange 42, and lateral flange 42 is connected with bottom case crossbeam 50.Flange is arranged can be solid in order to end
The connection of fixed board 40 and battery pack bottom case.
The invention also discloses a kind of vehicles.
The vehicle of the utility model embodiment, the battery pack 100 including any of the above-described kind of embodiment.The utility model is implemented
The vehicle of example, the lateral of battery pack 100 protects in place, and the stiffness and strength on upper layer are big.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of battery pack (100) characterized by comprising
Battery pack bottom case, the battery pack bottom case have bottom case crossbeam (50)；
One layer of mould group (10), one layer of mould group (10) are installed on the battery pack bottom case, and one layer of mould group (10) sets
Have the first side plate (11), first side plate (11) is connected with the bottom case crossbeam (50)；
Two layers of mould group (20), two layers of mould group (20) is arranged in above one layer of mould group (10), and two layers of mould group
(20) the second side plate (21) are equipped with；
Side mounting bracket (30), the lower end of the side mounting bracket (30) are connected with first side plate (11), the side
The upper end of side mounting bracket (30) is connected with second side plate (21)；
End fixed plate (40), the end fixed plate (40) are set to one layer of mould group (10) and two layers of mould group (20)
Both ends and it is connected with the battery pack bottom case and the side mounting bracket (30).
2. battery pack (100) according to claim 1, which is characterized in that the side mounting bracket (30) is supported in institute
It states between the first side plate (11) and second side plate (21) so that the lower surface of two layers of mould group (20) and one layer of mould
The upper surface of group (10) is spaced apart.
3. battery pack (100) according to claim 1, which is characterized in that first side plate (11) and described second side
Plate (21) include: the side plate body being connected with the side of one layer of mould group (10) or two layers of mould group (20) and with the side
The connected support plate of plate body, the support plate is relative to the side plate body to away from one layer of mould group (10) or two layers of mould
The direction of group (20) is stretched out, support plate (11b) phase of the lower end of the side mounting bracket (30) and first side plate (11)
Even, the upper end of the side mounting bracket (30) is connected with the support plate (21b) of second side plate (21).
4. battery pack (100) according to claim 3, which is characterized in that the middle part of the support plate and the side plate body
Vertical connection.
5. battery pack (100) according to claim 3, which is characterized in that the two sides of one layer of mould group (10) are equipped with
First side plate (11), the two sides of two layers of mould group (20) are equipped with second side plate (21), are disposed adjacent side by side
Two support plates of two second side plates (21), the side mounting bracket (30), be disposed adjacent side by side two
Two support plates of first side plate (11) are sequentially stacked.
6. battery pack (100) according to claim 1, which is characterized in that the side mounting bracket (30) is with sky
The box like structure of the chambers of the heart (31).
7. battery pack (100) according to claim 6, which is characterized in that the hollow cavity of the side mounting bracket (30)
(31) reinforcing rib (32) are equipped in.
8. battery pack described in any one of -7 (100) according to claim 1, which is characterized in that the end fixed plate (40)
Top be connected with the side mounting bracket (30), the bottom of the lower part of the end fixed plate (40) and the battery pack bottom case
Plate and the bottom case crossbeam (50) are connected.
9. battery pack (100) according to claim 8, which is characterized in that the lower edge of the end fixed plate (40) is set
Have lower flange (41), the lower flange (41) is connected with the bottom plate of the battery pack bottom case, under the end fixed plate (40)
The side in portion is equipped with lateral flange (42), and the lateral flange (42) is connected with the bottom case crossbeam (50).
10. a kind of vehicle, which is characterized in that have battery pack as claimed in any one of claims 1-9 wherein (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267249.5U CN209071466U (en) | 2018-12-29 | 2018-12-29 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822267249.5U CN209071466U (en) | 2018-12-29 | 2018-12-29 | Battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209071466U true CN209071466U (en) | 2019-07-05 |
Family
ID=67102475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822267249.5U Active CN209071466U (en) | 2018-12-29 | 2018-12-29 | Battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209071466U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204200A (en) * | 2020-08-31 | 2022-03-18 | 比亚迪股份有限公司 | A battery package that is used for box of battery package and has it |
-
2018
- 2018-12-29 CN CN201822267249.5U patent/CN209071466U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114204200A (en) * | 2020-08-31 | 2022-03-18 | 比亚迪股份有限公司 | A battery package that is used for box of battery package and has it |
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