CN110504395A - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
- Publication number
- CN110504395A CN110504395A CN201910809600.5A CN201910809600A CN110504395A CN 110504395 A CN110504395 A CN 110504395A CN 201910809600 A CN201910809600 A CN 201910809600A CN 110504395 A CN110504395 A CN 110504395A
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- Prior art keywords
- battery core
- battery
- core group
- battery pack
- shell
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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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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 kind of battery pack and vehicles.The battery pack includes: shell, has installation space in the shell；At least one crossbeam, the crossbeam are set in the installation space, and the installation space is divided into multiple mounting grooves；Multiple battery core groups, the battery core are mounted in the mounting groove, and at least a pair of cell wall relative to each other and the battery core group of the mounting groove are engaged, to limit to the battery core group.Battery pack according to the present invention limits battery core group by the cell wall of mounting groove, and battery core group not necessarily forms integral module structure, and the size of battery core group can be with flexible setting, to adapt to the demand of Full Vehicle System to greatest extent.
Description
Technical field
The present invention relates to automotive fields, in particular to a kind of battery pack and vehicle.
Background technique
Traditional power battery is assembled using mould group as module mostly at present, is limited to module size, so that battery core string is simultaneously
Connection mode is not flexible, and electrokinetic cell system cannot be adapted to vehicle demand to greatest extent.
Summary of the invention
In view of this, the present invention is directed to propose a kind of battery pack, so that the size of battery core group can be with flexible setting, maximum limit
The demand of the adaptation Full Vehicle System of degree
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of battery pack includes: shell, has installation space in the shell；At least one crossbeam, the crossbeam are set to
In the installation space, the installation space is divided into multiple mounting grooves；Multiple battery core groups, the battery core are mounted on described
In mounting groove, at least a pair of cell wall relative to each other and the battery core group of the mounting groove are engaged, to the battery core
Group is limited.
According to some embodiments of the present invention, the battery core group includes: stacking end plate；Multiple first battery cores, it is multiple described
First battery core stacks in a first direction is set to the side for stacking end plate；Multiple second battery cores, multiple second electricity
Core stacks in said first direction is set to the other side for stacking end plate.
Further, in each battery core group, first battery core is equal with the second battery core quantity.
According to some embodiments of the present invention, multiple first battery cores are by the first insulating protection adhesion, and described the
One insulating protection item is Nian Jie at least one of the side of multiple first battery cores and lower surface, multiple second battery cores
By the second insulating protection adhesion, in the side and lower surface of the second insulating protection item and multiple second battery cores
At least one bonding.
According to some embodiments of the present invention, multiple battery core groups are arranged in a second direction, the second direction and institute
State that first direction is vertical, first battery core of multiple battery core groups and the second battery core serial or parallel connection setting, with shape
At a total output cathode and a total output negative pole.
According to some embodiments of the present invention, the battery pack further include: coldplate component, the coldplate component are set to
The downside of the shell, the coldplate component cool down the battery core group by the bottom plate of the shell；Backplate, it is described
Backplate is set to the downside of the coldplate component and is connected with the shell.
Further, the coldplate component is bonded on the backplate by foam.
According to some embodiments of the present invention, pass through heat-conducting glue or heat conductive pad between the coldplate component and the bottom plate
It is engaged.
According to some embodiments of the present invention, the upper surface of the backplate is equipped with reinforcing rib, the reinforcing rib and the shell
Body is connected by fastener, and the week edge of the backplate is connect with the shell by fastener.
Compared with the existing technology, of the present invention ... to have the advantage that
Battery core group is limited by the cell wall of mounting groove, battery core group not necessarily forms integral module structure, battery core group
Size can be with flexible setting, to adapt to the demand of Full Vehicle System to greatest extent.
It is another object of the present invention to propose a kind of vehicle, the battery pack including above-described embodiment.
Compared with the existing technology, vehicle of the present invention have the advantage that had the advantage that with battery pack it is identical, here
It repeats no more.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of the battery pack of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the part-structure of the battery pack of the embodiment of the present invention；
Fig. 3 is the top view of the part-structure of the battery pack of the embodiment of the present invention；
Fig. 4 is the partial enlarged view of the battery pack of the embodiment of the present invention；
Fig. 5 is the exploded view of the battery core group of the battery pack of the embodiment of the present invention；
Fig. 6 is the cross-sectional view of the battery pack of the embodiment of the present invention；
Fig. 7 is that Fig. 6 centre circle shows enlarged structure schematic diagram at A；
Fig. 8 is the structural schematic diagram of the upper housing of the battery pack of the embodiment of the present invention；
Fig. 9 is that Fig. 8 centre circle shows enlarged structure schematic diagram at B；
Figure 10 is the schematic diagram of the lower case of the battery pack of the embodiment of the present invention, backplate and coldplate component.
Description of symbols:
Battery pack 100,
Coldplate component 1,
Shell 2, installation space 201, mounting groove 202, bottom plate 21, side bar 22, lower case 23, crossbeam 24, limit plate 241,
First stopper protrusion 242, the second stopper protrusion 243, upper housing 25, installation protrusion 251, holding tank 252,
Backplate 3, reinforcing rib 31, foam 32,
Battery core group 4, the second battery core 41b, clamping end plate 42, stacks end plate 43, first thermal insulation layer 44, the at first battery core 41a
Between two thermal insulation layers 45, the first insulating protection item 48, the second insulating protection item 49, total output cathode 4a, total output negative pole 4b, battery core
Busbar connector 50b, crimp 5, fixed part 51, pressure contact portion 52 between busbar connector 50a, battery core group.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Come that the present invention will be described in detail below with reference to Fig. 1-Figure 10 and in conjunction with the embodiments.
Referring to Fig.1 shown in-Fig. 3, battery pack 100 according to an embodiment of the present invention includes: shell 2, at least one crossbeam 24
With multiple battery core groups 4.
Specifically, having installation space 201 in shell 2, crossbeam 24 is set in installation space 201, by installation space
201 are divided into multiple mounting grooves 202, and battery core group 4 is set in mounting groove 202, at least a pair of slot relative to each other of mounting groove 202
Wall is engaged with battery core group 4, to limit to battery core group 4.
In the related art, traditional power battery is assembled using mould group as module mostly, is limited to module size, so that
Battery core series-parallel system is not flexible, and electrokinetic cell system cannot be adapted to vehicle demand to greatest extent.
And in the present invention, the limit and fixation of battery core group 4 may be implemented by the cell wall of mounting groove 202, battery core group 4
Battery core is installed in shell 2 again without being assembled into integral module, and multiple battery cores of battery core group 4 are directly placed into installation after stacking setting
In slot 202, the quantity of battery core freely can increase and reduce, and can realize a variety of series-parallel, not limited by module size,
The demand of Full Vehicle System can be adapted to greatest extent.
In addition, not necessarily forming integral module, modularization is realized, the pilot process of end plate welding assembly is omitted, has
Conducive to building of production line is simplified, personal management cost is reduced, and then significantly reduce production cost.Battery core group 4 is without painting gluing
After patch, or painting glue, good fixed effect can also be kept even if glue aging, increases safety.
Battery pack 100 according to an embodiment of the present invention limits battery core group 4 by the cell wall of mounting groove 202, battery core
Group 4 not necessarily forms integral module structure, and the size of battery core group 4 can be with flexible setting, to adapt to Full Vehicle System to greatest extent
Demand.
According to some embodiments of the present invention, as shown in figure 5, multiple battery cores may include multiple first battery core 41a and more
A second battery core 41b, battery core group 4 can also include stacking end plate 43.Multiple first battery core 41a are in a first direction (such as in Fig. 3
Shown in left and right directions) on stack be set to stack end plate 43 side, multiple second battery core 41b are stacked in a first direction to be set
It is placed in the other side for stacking end plate 43.
As a result, in process of production, multiple first battery core 41a and multiple second battery core 41b can be to stack end plate 43
Center is stacked to both sides, and two sides are compressed to design size after applying certain force after the completion of stacking, and it is longer to solve 4 length of battery core group
When, it stacks power and is difficult to control with balanced problem, not only realized the assembly of long battery core group 4, but also can guarantee to control reasonable stacking
Power section, it can also be ensured that the equilibrium in gap between multiple first battery core 41a and multiple second battery core 41b.
Optionally, in some embodiments, in each battery core group 4, the first battery core 41a is equal with the second battery core 41b quantity,
Keep the symmetry of battery core group 4 more preferable, it is easier to control and balanced stacking power.
According to some embodiments of the present invention, as shown in figure 5, multiple first battery core 41a pass through the first insulating protection item 48
On the one hand adhesion, multiple second battery core 41b tentatively fixed to multiple battery cores can be limited by 49 adhesion of the second insulating protection item
Position, on the other hand can play the role of protection battery core, guarantee insulation.
Optionally, the first insulating protection item 48 can be bonded in the insulation film location of the first battery core 41a, the second insulating protection
Item 49 can be bonded in the insulation film location of the second battery core 41b.Optionally, in some embodiments, the first insulating protection item 48
It is Nian Jie at least one of the side of multiple first battery core 41a and lower surface, the second insulating protection item 49 and multiple second electricity
At least one of side and lower surface of core 41b bonding.For example, in certain embodiments, as shown in figure 5, first is exhausted
Edge security bar 48 is L-type insulating paper, and the second insulating protection item 49 is also L-type insulating paper.
It is connected as aluminium row between the battery core of traditional power battery, but is connected as copper bar between battery core group, is related to copper and aluminium welding
It connects, complex process and at high cost.And in the present invention, by being electrically connected form in advance, realize between two battery core groups 4 across
Battery core group aluminium row's welding, that is to say, that busbar connector 50a is aluminium row between being electrically connected the battery core of the battery core in same battery core group 4, is electrically connected
Busbar connector 50b is also aluminium row between connecing the battery core group of two battery core groups 4, greatly reduces copper aluminium welding, simplifies Joining Technology, saves
About cost.
In some embodiments of the invention, multiple battery core groups 4 are in a second direction (such as front-rear direction shown in Fig. 3)
Arrangement, second direction is vertical with first direction, the first battery core 41a and the second battery core 41b of multiple battery core groups 4 can connect or
It is arranged in parallel, so that entire battery pack 100 only has an a total output cathode 4a and total output negative pole 4b.Simplify as a result,
The electric connection structure of battery pack 100, and the series-parallel system of the first battery core 41a of multiple battery core groups 4 and the second battery core 41b can be with
Flexible setting according to the actual situation.
For example, in specific embodiment as shown in Figures 2 and 3, battery pack 100 includes four battery core groups 4, respectively by
The first battery core group 4, the second battery core group 4, third battery core group 4 and the 4th battery core group 4 being sequentially distributed after forward direction.
Wherein, multiple first battery core 41a of the first battery core group 4 are connected by busbar connector 50a between battery core, and by between battery core group
Busbar connector 50b is connected in series to one the first battery core 41a of left end of the second battery core group 4, multiple first battery cores of the second battery core group 4
Busbar connector 50a connects between 41a equally passes through battery core, and the right end of third battery core group 4 is connected in series to by busbar connector 50b between battery core group
Busbar connector 50a connects between one the first battery core 41a, multiple first battery core 41a of third battery core group 4 equally pass through battery core, and by
Busbar connector 50b is connected in series to one the first battery core 41a of left end of the 4th battery core group 4 between battery core group, and multiple the of the 4th battery core group 4
Busbar connector 50a connects between one battery core 41a equally passes through battery core, and is connected in series to the 4th battery core group 4 most by busbar connector 50a between battery core
Busbar connector 50a connects between the second battery core 41b of left end one, multiple second battery core 41b of the 4th battery core group 4 equally pass through battery core,
And one the second battery core 41b of right end of third battery core group 4 is connected in series to by busbar connector 50b between battery core group, third battery core group 4 it is more
Busbar connector 50a connects between a second battery core 41b equally passes through battery core, and is connected in series to the second battery core by busbar connector 50b between battery core group
Left end one the second battery core 41b, multiple second battery core 41b of the second battery core group 4 of group 4 equally pass through busbar connector between battery core
50a connects, and one the second battery core 41b of right end of the first battery core group 4, the first electricity are connected in series to by busbar connector 50b between battery core group
Busbar connector 50a connects between multiple second battery core 41b of core group 4 equally pass through battery core.
All the first battery cores of first battery core group 4, the second battery core group 4, third battery core group 4 and the 4th battery core group 4 as a result,
41a and the second battery core 41b realizes series connection, ultimately forms two High voltage output structures, the respectively right end with the first battery core group 4
Total output cathode 4a of one the first battery core 41a connection, and connect with one the second battery core 41b of left end of the first battery core group 4
The total output negative pole 4b connect.By busbar connector 50b between battery core group, saves a large amount of aluminium in traditional mould group and turn copper bus-bar, and
Connecting copper bar between a large amount of output stage pedestals and traditional mould group is saved, great amount of cost is saved.
Optionally, as shown in figure 5, between two neighboring battery core, clamping end plate 42 and battery core between, battery core and stack end plate
Between 43 at least one at can be equipped with first thermal insulation layer 44, between battery core and crossbeam 24 be equipped with second thermal insulation layer 45 so that electric
The peripheric surface of core group 4 completely cuts off heat, and the bottom surface of battery core group 4 is for heating and cooling down, it is possible to reduce the influence of heat between battery core,
Inhibit heat sprawling.
The position limiting structure of battery core group 4 according to some embodiments of the invention is described with reference to the accompanying drawing.
According to some embodiments of the present invention, as shown in Figure 6 and Figure 7, battery core group 4 is pressed on by shell 2 by crimp 5
Bottom plate 21 on, to realize limit and fixation to multiple battery cores (including the first battery core 41a and the second battery core 41b), prevent electricity
Core moves in installation space 201 or shakes and influence the normal use of battery pack 100.
As shown in figure 3, battery core group 4 is located between two crossbeams 22 or battery core group 4 is located in crossbeam 24 and shell 2
Side bar 22 between.Two cooperations of crossbeam 24 or the cooperation of side bar 22 of crossbeam 24 and shell 2 can be in the horizontal direction as a result,
On battery core group 4 is limited, such as limited on the front-rear direction as shown in Fig. 3, improve the limit effect of battery core group 4
Fruit.
In some embodiments of the invention, as shown in Figure 3 and Figure 4, multiple battery cores (including the first battery core 41a and second
Battery core 41b) along the length direction stacking placement of battery core group 4, crossbeam 24 may include: limit plate 241, the first stopper protrusion 242
With the second stopper protrusion 243.Wherein, limit plate 241 and the side of the width direction of battery core group 4 are engaged, so that two limits
The side bar 22 of position plate 241 or limit plate 241 and shell 2 cooperates, in the width direction of battery core group 4 (such as shown in Fig. 3
Front-rear direction) on battery core group 4 is limited.
With continued reference to shown in Fig. 3 and Fig. 4, the first stopper protrusion 242 and the second stopper protrusion 243 are set to limit plate 241, and
And first stopper protrusion 242 and the second stopper protrusion 243 to the direction close to battery core group 4 protrude from limit plate 241, the first limit
Protrusion 242 and the second stopper protrusion 243 are engaged with two sides of the length direction of battery core group 4 respectively.
As a result, by the first stopper protrusion 242 and the second stopper protrusion 243 can battery core group 4 length direction (such as
Left and right directions shown in Fig. 3) on battery core group 4 is limited.Crimp 5 and the cooperation of bottom plate 21, limit plate 241 and limit plate
241 cooperations or limit plate 241 and the cooperation of side bar 22, the first stopper protrusion 242 and the cooperation of the second stopper protrusion 243 can be in electricity
Battery core group 4 is limited in the length direction of core group 4, width direction and short transverse, realizes battery core group 4 in three-dimensional space
Fixed, the fixation of battery core group 4 is more reliable, and limits fixed structure and be not easy to increase and aging with active time.
Optionally, in some embodiments, as shown in Figure 4 and Figure 5, the both ends of the length direction of battery core group 4 can be equipped with
End plate 42 is clamped, the first stopper protrusion 242 and the second stopper protrusion 243 can be engaged with clamping end plate 42, on the one hand may be used
To prevent the first stopper protrusion 242 and the second stopper protrusion 243 from damaging battery core 41, on the other hand clamp end plate 42 can play every
The effect of thermal insulation prevents heat sprawling when one of 4 thermal runaway of battery core group from leading to other 4 thermal runaways of battery core group.
In some embodiments of the invention, as shown in Figure 1 and Figure 7, shell 2 includes upper housing 25 and lower case 23, pressure
Fitting 5 can be located between crossbeam 24 and upper housing 25 or crimp 5 can be located in side bar 22 and upper housing 25 it
Between.Crimp 5 and the relative position of shell 2 can not only fixed, but also crimp 5 can seal upper housing 25 and crossbeam 24
Between gap, make the mutually partition of multiple mounting grooves 202, prevent hot sprawling.
Further, referring to shown in Fig. 7-Fig. 9, the side towards battery core group 4 of upper housing 25 is equipped with installation protrusion 251,
At least part of crimp 5 is located between installation protrusion 251 and crossbeam 24, and installation protrusion 251 can make upper housing 25
Lower surface is formed with depressed section, and depressed section is spaced apart to form heat dissipation channel with the upper surface of battery core group 4, so that battery core group 4
Heat can be flowed along heat dissipation channel, to reduce transmitting of the heat to adjacent battery core group 4, prevent hot sprawling, improve
Heat dissipation effect.Installation protrusion 251, crimp 5 are connected with crossbeam 24 by fastener, are detachably connected with realizing, easy to disassemble.
Further, as shown in Figure 1 and Figure 7, the side backwards to battery core group 4 of upper housing 25 can have holding tank 252, hold
Slot 252 of receiving is corresponding with the installation position of protrusion 251, and at least part of the nut of fastener is located in holding tank 252, to reduce
Fastener protrudes from the height of the upper surface of upper housing 25, or the upper surface for making fastener not protrude from upper housing 25 completely,
Be conducive to reduce the height of battery pack 100, more compact structure.
In some embodiments of the invention, as shown in Fig. 6-Fig. 9, crimp 5 may include: fixed part 51 and pressure contact portion
52, fixed part 51 is located between installation protrusion 251 and crossbeam 24, so that between upper housing 25, crimp 5 and lower case 23
Stablize relative position.Pressure contact portion 52 is set to fixed part 51 and protrudes from the side of fixed part 51, and pressure contact portion 52 can be by battery core group 4
It is pressed on bottom plate 21.For example, pressure contact portion 52 can push down the shoulder of battery core group 4 in example as shown in Figure 5, it will be electric
Core group 4 is pressed on bottom plate 21, realizes the fixation of battery core group 4, while on the electric connection structure of battery core group 4 without influence.
According to some embodiments of the present invention, as shown in Fig. 1 and Figure 10, battery pack 100 further include: 1 He of coldplate component
Backplate 3, coldplate component 1 are set to the downside of shell 2, and coldplate component 1 carries out battery core group 4 by the bottom plate 21 of shell 2 cold
But, backplate 3 is set to the downside of coldplate component 1 and is connected with shell 2.
It has been found that battery pack in the related technology battery core group and coldplate component are set to it is same intracavitary, when cold
But when board group part is lower than environment temperature, dew condensation phenomenon can occur on coldplate component, there are certain installation problems.Also, cold
But the air-tightness of board group part when something goes wrong, for example, coolant liquid is directly let out when battery pack bottom ball, which is hit, causes coldplate to damage
At leakage to battery core group, it is short-circuit to lead to battery core group, and there are serious security risk, battery pack needs integral replacing, and cost is very
Greatly.
And in the present invention, battery core group 4 and coldplate component 1 are spaced apart by bottom plate 21, realize separating dry space from moist space, can be effective
The moisture condensation of coldplate component 1 or coolant liquid leakage bring risk are avoided, improves the security performance of battery pack 100, and i.e.
It damages coldplate component 1 due to 100 bottom ball of battery pack is hit, also only needs to change coldplate component 1, without by battery pack
100 integral replacings, reduce maintenance cost.
Backplate 3 then can carry out blocking protection to external coldplate component 1, to prevent coldplate component 1 from directly being hit
Damage is hit, and when coldplate component 1 damages, coldplate component 1 is replaced by dismounting backplate 3, keeps operation more square
Just.
In some embodiments, as shown in Fig. 1 and Figure 10, coldplate component 1 can be bonded in backplate 3 by foam 32
On, it is engaged between coldplate component 1 and bottom plate 21 by heat-conducting glue or heat conductive pad.On the one hand, bonded structure can be improved
The limit stability of coldplate component 1, prevents coldplate component 1 from shaking and damaging；On the other hand, heat-conducting glue or heat conductive pad
Thermal conduction effect can be improved, improve coldplate component 1 by the effect of the cooling battery core group 4 of bottom plate 21, and foam 32 has
Certain elasticity, coldplate component 1 can be pressed on bottom plate 21, and then be conducive to improve thermal conduction effect.
In some embodiments of the invention, as shown in Figure 10, the upper surface of backplate 3 is equipped with reinforcing rib 31, to enhance shield
The stiffness by itself of plate 3 prevents bottom ball from hitting, and improves the protecting effect to coldplate component 1.Reinforcing rib 31 and shell 2 pass through tight
The week edge of firmware connection, backplate 3 is connect with shell 2 by fastener.For example, in such as some examples, reinforcing rib 31 and bottom plate
21 are connected by fastener, and the week of backplate 3, the connection site of backplate 3 and shell 2 was more along being connect with side bar 22 by fastener
More, join domain distribution is wider, connects more firm.
The vehicle of embodiment according to a further aspect of the invention, the battery pack 100 including above-described embodiment.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of battery pack (100) characterized by comprising
Shell (2), the shell (2) is interior to have installation space (201)；
At least one crossbeam (24), the crossbeam (24) is set in the installation space (201), by the installation space
(201) it is divided into multiple mounting grooves (202)；
Multiple battery core groups (4), the battery core group (4) are set in the mounting groove (202), and at least the one of the mounting groove (202)
It is engaged to cell wall relative to each other and the battery core group (4), to be limited to the battery core group (4).
2. battery pack (100) according to claim 1, which is characterized in that the battery core group (4) includes:
It stacks end plate (43)；
Multiple first battery cores (41a), multiple first battery cores (41a) stack in a first direction is set to the stacking end plate
(43) side；
Multiple second battery cores (41b), multiple second battery cores (41b) stack in said first direction is set to the stacking
The other side of end plate (43).
3. battery pack (100) according to claim 2, which is characterized in that in each battery core group (4), described first
Battery core (41a) is equal with the second battery core (41b) quantity.
4. battery pack (100) according to claim 2, which is characterized in that multiple first battery cores (41a) pass through first
The side of insulating protection item (48) adhesion, the first insulating protection item (48) and multiple first battery cores (41a) and following table
At least one of face bonding,
Multiple second battery cores (41b) by second insulating protection item (49) adhesion, the second insulating protection item (49) with
At least one of side and lower surface of multiple second battery cores (41b) bonding.
5. battery pack (100) according to claim 2, which is characterized in that multiple battery core groups (4) are arranged in a second direction
Cloth, the second direction is vertical with the first direction,
First battery core (41a) of multiple battery core groups (4) and the second battery core (41b) serial or parallel connection setting, with
Form a total output cathode (4a) and a total output negative pole (4b).
6. battery pack (100) according to any one of claims 1-5, which is characterized in that further include:
Coldplate component (1), the coldplate component (1) are set to the downside of the shell (2), and the coldplate component (1) is logical
The bottom plate (21) for crossing the shell (2) cools down the battery core group (4)；
Backplate (3), the backplate (3) are set to the downside of the coldplate component (1) and are connected with the shell (2).
7. battery pack (100) according to claim 6, which is characterized in that the coldplate component (1) passes through foam (32)
It is bonded on the backplate (3).
8. battery pack (100) according to claim 6, which is characterized in that the coldplate component (1) and the bottom plate
(21) it is engaged between by heat-conducting glue or heat conductive pad.
9. battery pack (100) according to claim 6, which is characterized in that the upper surface of the backplate (3) is equipped with reinforcing rib
(31), the reinforcing rib (31) is connect with the shell (2) by fastener, all edges and the shell (2) of the backplate (3)
It is connected by fastener.
10. a kind of vehicle, which is characterized in that including battery pack according to claim 1 to 9 (100).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809600.5A CN110504395A (en) | 2019-08-29 | 2019-08-29 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910809600.5A CN110504395A (en) | 2019-08-29 | 2019-08-29 | Battery pack and vehicle |
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| CN110504395A true CN110504395A (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910809600.5A Pending CN110504395A (en) | 2019-08-29 | 2019-08-29 | Battery pack and vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293253A (en) * | 2020-04-24 | 2020-06-16 | 比亚迪股份有限公司 | Battery pack and electric vehicle |
| CN111900319A (en) * | 2020-08-21 | 2020-11-06 | 常州瑞德丰精密技术有限公司 | Battery pack, electric automobile and energy storage device |
| WO2021218159A1 (en) * | 2020-04-27 | 2021-11-04 | 浙江吉利控股集团有限公司 | Battery module and battery pack |
| CN114290886A (en) * | 2021-12-31 | 2022-04-08 | 蜂巢能源科技(无锡)有限公司 | Vehicle battery arrangement method and device and electronic equipment |
| CN115548551A (en) * | 2022-12-01 | 2022-12-30 | 中创新航科技股份有限公司 | Battery pack |
| CN116722293A (en) * | 2023-08-07 | 2023-09-08 | 上海汽车集团股份有限公司 | Battery pack assembly for vehicle |
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| CN114290886A (en) * | 2021-12-31 | 2022-04-08 | 蜂巢能源科技(无锡)有限公司 | Vehicle battery arrangement method and device and electronic equipment |
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| CN116722293A (en) * | 2023-08-07 | 2023-09-08 | 上海汽车集团股份有限公司 | Battery pack assembly for vehicle |
| CN116722293B (en) * | 2023-08-07 | 2023-11-10 | 上海汽车集团股份有限公司 | Battery pack assembly for vehicle |
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Application publication date: 20191126 |