CN208352390U - Battery pack - Google Patents
Battery pack Download PDFInfo
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- CN208352390U CN208352390U CN201821029563.3U CN201821029563U CN208352390U CN 208352390 U CN208352390 U CN 208352390U CN 201821029563 U CN201821029563 U CN 201821029563U CN 208352390 U CN208352390 U CN 208352390U
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- Prior art keywords
- partition
- liquid cooling
- battery pack
- cooling plate
- connected domain
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- 239000007788 liquid Substances 0.000 claims abstract description 144
- 238000005192 partition Methods 0.000 claims abstract description 96
- 238000001816 cooling Methods 0.000 claims description 108
- 238000005452 bending Methods 0.000 claims description 24
- 230000003287 optical effect Effects 0.000 claims description 16
- 239000003292 glue Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 description 11
- 230000005611 electricity Effects 0.000 description 9
- 238000007726 management method Methods 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 230000005494 condensation Effects 0.000 description 5
- 238000009833 condensation Methods 0.000 description 5
- 239000012530 fluid Substances 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000003518 caustics Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000035882 stress Effects 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
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a kind of battery pack, comprising: box assembly, the box assembly have an accommodating space；Partition is located in the box assembly, so that the accommodating space is divided into the first connected domain and the second connected domain, first connected domain and second connected domain are mutually indepedent；Battery modules are located in first connected domain；And liquid cooled module, it is located in second connected domain, the liquid cooled module and the battery modules pass through partition progress heat transfer.Battery pack provided by the utility model increases the reliability of battery pack.
Description
Technical field
The utility model relates to electric cars, specifically, being related to battery pack.
Background technique
At present in liquid cooling battery pack, battery modules, BMS (battery management system, BATTERY MANAGEMENT
SYSTEM), harness, cooling system etc. usually battery pack cabinet constitute connected domain within, and battery modules usually with it is cold
But heat conduction portion (such as liquid cooling plate) directly contacts in system.When anti-icing fluid leakage, condensation etc. occur for the pipeline of cooling system,
Since battery modules, BMS and harness and cooling system are located at the same connected domain, battery modules, BMS, harness can be made as a result,
Etc. liquid is directly contacted, it especially when slight crack occurs in the pipeline of cooling system, will lead to high pressure deicing spray in pipe, make
Accelerate at failure of insulation, burn into aging, connects the problems such as loosening.
Utility model content
For the problems of the prior art, the purpose of this utility model is to provide a kind of battery packs, to increase battery pack
Reliability.
One aspect according to the present utility model provides a kind of battery pack, comprising:
Box assembly, the box assembly have an accommodating space；
Partition is located in the box assembly, the accommodating space is made to be divided into the first connected domain and the second connected domain, institute
It states the first connected domain and second connected domain is mutually indepedent；
Battery modules are located in first connected domain；And
Liquid cooled module is located in second connected domain, and the liquid cooled module and the battery modules pass through the partition
Carry out heat transfer.
Optionally, the box assembly includes:
Cabinet side frame and the first cover board and the second cover board for being placed on cabinet side frame two sides, wherein
The cabinet side frame, first cover board and the partition form closed first connected domain；
The cabinet side frame, second cover board and the partition form closed second connected domain.
Optionally, further includes:
First heat-conducting layer is filled between the battery modules and the partition；
The liquid cooled module includes:
Liquid cooling plate；
Second heat-conducting layer is filled between the liquid cooling plate and the partition.
Optionally, when the area of the liquid cooling plate is less than predetermined threshold, second heat-conducting layer is heat-conducting glue, described thermally conductive
The liquid cooling plate is fixed on the partition by glue.
Optionally, the liquid cooled module further include:
The liquid cooling plate is fixed on the partition by support component, and is provided to the liquid cooling plate towards the partition
Pressing force.
Optionally, the support component includes the elastic supporting member for supporting optical member that the liquid cooling plate is extended to from box assembly bottom.
Optionally, the support component includes press strip, and the press strip is mechanically connected with partition to compress the liquid cooling plate
Between the press strip and the partition, wherein
The press strip includes a few font bending parts for accommodating all liquid cooling plates, the both ends of a few font bending parts with
The partition mechanical connection；Or
The press strip includes the multiple a few font bending parts for accommodating the liquid cooling plate respectively, each a few font bending parts
Both ends and the partition are mechanically connected.
Optionally, when the press strip includes multiple a few font bending parts, adjacent a few font bending part phase proximal ends share machinery
Interconnecting piece.
Optionally, the support component further includes the elastic supporting member for supporting optical member that the press strip is extended to from box assembly bottom,
In, the quantity of the elastic supporting member for supporting optical member is corresponding with the quantity of a few font bending parts.
Optionally, the liquid cooled module further include: battery pack liquid cooling collector is located in second connected domain.
The battery pack of the offer of the utility model has the advantage that
Separate the accommodating space of box assembly, by partition to form the first connected domain and accommodating liquid of set battery mould group
Second connected domain of cold component, the first connected domain and the second connected domain are mutually indepedent, battery modules and liquid cooled module by every
Under the premise of the transmitting of plate heat does not influence battery modules cooling, the leakage of liquid cooled module anti-icing fluid, condensation contact first can be prevented
The battery management system and harness of battery modules, connection battery modules in logical domain, reduce battery modules and connection battery modules
Battery management system and harness a possibility that being damaged due to contact liq, thus improve the reliability of battery pack.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is the sectional view of the battery pack of the first embodiment of the utility model.
Fig. 2 is the sectional view of the battery pack of the second embodiment of the utility model.
Fig. 3 is the sectional view of the battery pack of the 3rd embodiment of the utility model.
Fig. 4 is the sectional view of the battery pack of the fourth embodiment of the utility model.
Fig. 5 is the sectional view of the battery pack of the 5th embodiment of the utility model.
Fig. 6 is the sectional view of the battery pack of the sixth embodiment of the utility model.
Fig. 7 is the sectional view of the battery pack of the 7th embodiment of the utility model.
Fig. 8 is the sectional view of the battery pack of the 8th embodiment of the utility model.
Fig. 9 is the sectional view of the battery pack of the 9th embodiment of the utility model.
Figure 10 is the enlarged drawing of a-quadrant in Fig. 9.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein.On the contrary, thesing embodiments are provided so that this is practical new
Type will be full and complete, and the design of example embodiment is comprehensively communicated to those skilled in the art.It is identical in figure
Appended drawing reference indicate same or similar structure, thus repetition thereof will be omitted.
Battery pack provided by the utility model is illustrated according to Fig. 1 to Fig. 8 respectively first.It is this reality referring first to Fig. 1, Fig. 1
With the sectional view of the battery pack of novel first embodiment.
Battery pack 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module 140.Box assembly 110
With an accommodating space.Partition 120 is located in the box assembly 110, and the accommodating space is made to be divided into the first connected domain 101
With the second connected domain 102.First connected domain 101 and the second connected domain 102 are mutually indepedent.In other words, the first connected domain 101 and
The mutual not connection of two-connected domain 102.Battery modules 130 are located in first connected domain 101.Liquid cooled module 140 is located at described the
In two-connected domain 102, the liquid cooled module 140 carries out heat transfer by the partition 120 with the battery modules 130.Partition
120 preferably, the preferable material of heating conduction is selected, to reinforce heat-conducting effect.For example, partition 120 can be aluminum alloy materials.
The battery pack of the offer of the utility model separates the accommodating space of box assembly by partition, to form set battery
First connected domain of mould group and the second connected domain for accommodating liquid cooled module, the first connected domain and the second connected domain are mutually indepedent, electricity
Chi Mo group and liquid cooled module can prevent liquid cooled module anti-under the premise of not influencing battery modules cooling by the transmitting of partition heat
Freeze liquid leakage, the battery modules in condensation the first UNICOM domain of contact, the battery management system and harness for connecting battery modules, reduces
A possibility that battery management system and harness of battery modules and connection battery modules are damaged due to contact liq, thus improves
The reliability of battery pack.
It is the sectional view of the battery pack of the second embodiment of the utility model referring to Fig. 2, Fig. 2.It is similar with Fig. 1, electricity
Pond packet 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module.
Box assembly 110 has an accommodating space.Box assembly 110 is including cabinet side frame 111 and is placed on cabinet side frame
The first cover board 112 and the second cover board 113 of 111 two sides.The cabinet side frame 111, first cover board 112 and the partition
120 form closed first connected domain 101.The cabinet side frame 111, second cover board 113 and the partition 120 form envelope
The second connected domain 102 closed.Specifically, (partition 120 can be with the cabinet of separation battery modules 130 for the partition 120 of battery pack
Beam welding is together) and cabinet side frame 111 weld together, closing can be constituted together with the first cover board of battery pack 112 as a result,
The first connected domain 101, water can not flow into the region.The second cover board 113 and cabinet side frame 111 of battery pack 100 are welded on one
It rises, constitutes closed second connected domain 102 together with partition 120, prevent extraneous weather, sandstone and corrosive substance etc.
Directly contact the liquid cooled module of battery pack 100.First connected domain 101 and the second connected domain 102 are mutually indepedent.In other words, first
Connected domain 101 and the mutual not connection of the second connected domain 102.
In battery pack 100, battery pack zero in addition to liquid cooled module (accessory of cooling line and cooling line)
Part connects battery management system and harness of battery modules etc. and is all located in the first connected domain 101.Liquid cooled module is located at the
In two-connected domain 102.The liquid as caused by the leakage of liquid cooled module anti-icing fluid or condensation can not be from second in second connected domain 102
Connected domain 102 is sprayed or is flow in the first connected domain 101.The liquid cooled module of battery pack 100 in 120 lower part of partition, and with electricity
Pond packet partition 120 fits closely arrangement, so that liquid cooled module and the battery modules 130 are carried out efficiently by the partition 120
Heat transfer.
In the present embodiment, battery pack 100 further includes being filled between the battery modules 130 and the partition 120
One heat-conducting layer 150.First heat-conducting layer 150 can use soft Heat Conduction Material, such as heat conductive pad or heat-conducting glue, to fill battery mould
Gap and tolerance between 130 bottoms of group and partition 120.Liquid cooled module includes liquid cooling plate 142 and the second heat-conducting layer 141.Liquid cooling
Plate 142 can there are many forms, such as liquid cooling plate 142 can be liquid cooling flat tube.Second heat-conducting layer 141 is filled in the liquid cooling plate
Between 142 and the partition 120.Second heat-conducting layer 141 can also use soft Heat Conduction Material, such as heat conductive pad or heat-conducting glue, use
To fill gap and the tolerance between liquid cooling plate 142 and partition 120.Pass through the first heat-conducting layer 150 and the second heat-conducting layer as a result,
141 setting can increase the heat transfer between battery modules 130 and liquid cooling plate 142, prevent the presence due to gap and influence
Heat transfer between battery modules 130 and partition 120, between liquid cooling plate 142 and partition 120, to influence 130 He of battery modules
Heat transfer between liquid cooling plate 142.
In the present embodiment, since the area of the liquid cooling plate 142 is less than predetermined threshold, second heat-conducting layer
141 be heat-conducting glue, and the liquid cooling plate 142 is fixed on the partition 120 by the heat-conducting glue.Will be described only with heat-conducting glue
Liquid cooling plate 142 is fixed in the embodiment on the partition 120, it is contemplated that the heat transfer between liquid cooling plate 142 and partition 120,
And the viscosity of heat-conducting glue tenses liquid cooling plate 142 enough, at one in the specific implementation, the section quilt as shown in Figure 2 of liquid cooling plate 142
It is divided into multistage, and the interval that the width in each section of liquid cooling plate 142 section shown in Fig. 2 needs to be greater than between liquid cooling plate 142 is wide
Degree, and the width in each section of liquid cooling plate 142 section shown in Fig. 2 needs to be less than 1/5th of the first heat-conducting layer 150, this reality
It is not limited thereto with novel.
Specifically, the utility model is not with this foregoing merely illustrates a specific embodiment of the utility model
It is limited.In actual implementation, liquid cooling plate lesser for area ratio can preferably be carried out thermally conductive using heat-conducting glue；For
The biggish liquid cooling plate of area ratio can preferably use heat conductive pad.When liquid cooling plate suqare is very big, if using gluing,
The heat-conducting glue of very large area is needed to be used to fix liquid cooling plate, the liquid cooling plate of large area and the rigidity of partition are poor, and heat-conducting glue sheet
The mechanical strength of body is weaker, therefore can be bonded bad.So recommending to use heat conductive pad.When area is smaller, then instead
It, since the rigidity of cold plate is relatively good, the stress that glue is born is smaller, and gluing can satisfy mechanical performance.
It is the sectional view of the battery pack of the 3rd embodiment of the utility model referring to Fig. 3, Fig. 3.It is similar with Fig. 2, electricity
Pond packet 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module.
In the third embodiment, the liquid cooled module further includes support component.Support component is fixed by the liquid cooling plate 142
The pressing force towards the partition 120 is provided on the partition 120, and to the liquid cooling plate 142.Increase liquid cooling plate as a result,
The efficiency of heat transfer between 142 and partition 120, simultaneously, it is contemplated that the bonding strength of the second heat-conducting layer 141 and liquid cooling plate 142 with
Time reduces, and liquid cooling plate 142 can be pressed between support component and partition 120 by support component.Embodiment shown in Fig. 3
In, support component may include the elastic supporting member for supporting optical member 162 that the liquid cooling plate 142 is extended to from 110 bottom of box assembly.Elasticity branch
Support member 162 can be spring, elastic foam or other soft buffering energy-absorbings porous material, the utility model not as
Limit.In the present embodiment, it is supported due to liquid cooling plate 142 by elastic supporting member for supporting optical member 162, the second heat-conducting layer 141 may not need
It is limited to heat-conducting glue, the second heat-conducting layer 141 is also possible to the form of heat conductive pad.Further, since liquid cooling plate 142 passes through elasticity
Supporting element 162 supports, and therefore, can not limit width of the liquid cooling plate 142 on section.Preferably, elastic supporting member for supporting optical member
162 are less than the area of liquid cooling plate 142 with the contact area of liquid cooling plate 142, and and the difference of area of liquid cooling plate 142 be less than predetermined face
Product value, so that elastic supporting member for supporting optical member 162 provides uniform support compression power to liquid cooling plate 142.Further, elastic supporting member for supporting optical member
162 are aligned to maximize support compression power with 142 center of liquid cooling plate, and then the heat for maximizing liquid cooling plate 142 and partition 120 passes
It leads.
It is the sectional view of the battery pack of the fourth embodiment of the utility model referring to Fig. 4, Fig. 4.It is similar with Fig. 3, electricity
Pond packet 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module.
The liquid cooled module further includes support component.The liquid cooling plate 142 is fixed on the partition 120 by support component
On, and the pressing force towards the partition 120 is provided to the liquid cooling plate 142.In the present embodiment, the support component includes
Press strip 162.The press strip 162 and the mechanical connection of partition 120 (for example, by welding, pad 163 is as shown in Figure 4)
The liquid cooling plate 142 to be pressed between the press strip 162 and the partition 120.Press strip 162 can be metal bead.Pressure
Item 162 can be spring leaf, and be assembled by way of card slot with body structure beam.Meanwhile in order to improve the anti-of total
The porous material that heat preservation foam or buffering energy-absorbing are suitably filled between press strip 162 and the second cover board may be selected in shock stability, with
Improve anti-shake performance and integral strength.In the other embodiment of the utility model, 162 surface of press strip can be rubber-coated
Material.Rubber material is Heat Conduction Material, so that press strip 162 and partition 120 contact well, during avoiding vibratory impulse, pressure
While item 162 damages liquid cooling plate 142, guarantees that thermally conductive route component contact is close, guarantee heat transfer efficiency and thermally conductive consistency, make
Second connection region forms good space, is impacted, protects the battery from by rubble in effective buffer battery packet driving process
Damage.
In embodiment shown in Fig. 4, press strip 162 is that single piece type press strip (only has an a few font bending part, accommodates multiple
Liquid cooling plate 142), i.e., press strip 162 is simultaneously supported multiple liquid cooling plates 142 of segmentation, and provides to liquid cooling plate 142 towards institute
State the pressing force of partition 120.The advantage of the embodiment is, convenient for the production of press strip, while being convenient for the installation of press strip.Liquid cooling plate
Gap between 142 is included in press strip 162, thus, it is possible to make adjacent liquid cooling plate 142 by the gap between them into
Row heat transfer increases the heat transfer of the gap between adjacent liquid cooling plate 142 as a result, makes liquid cooling plate 142 to the heat of partition 120
Conduction is in partition 120 towards the Surface uniformization of liquid cooling plate 142.
It is the sectional view of the battery pack of the 5th embodiment of the utility model referring to Fig. 5, Fig. 5.It is similar with Fig. 4, electricity
Pond packet 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module.
In the present embodiment, the support component includes press strip 162.Press strip 162 includes accommodating the liquid cooling plate respectively
Multiple a few font bending parts, the both ends of each a few font bending parts and the partition 120 are mechanically connected.Specifically, the press strip
142 segmented of liquid cooling plate is pressed between the press strip 162 and the partition 120 by more than 162 font bending parts.It changes
Yan Zhi, in the present embodiment, adjacent liquid cooling plate 142 are separated by press strip 162, and press strip 162 is divided into multistage, each section of correspondence
It, as a result, can be to each section of liquid cooling plate 142 and partition to a liquid cooling plate 142 offer support and towards the pressing force of the partition 120
Heat transfer between 120 is adjusted and is adjusted by the pressing force that press strip 162 provides, and is realized between liquid cooling plate 142 and partition 120
Efficient heat transfer.
It is the sectional view of the battery pack of the sixth embodiment of the utility model referring to Fig. 6, Fig. 6.It is similar with Fig. 5, electricity
Pond packet 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module.
In the present embodiment, the support component includes press strip 162.The press strip 162 is by 142 segmented of liquid cooling plate
Ground is pressed between the press strip 162 and the partition 120.In the present embodiment, adjacent liquid cooling plate 142 is separated by press strip 162,
But press strip 162 is still integral type, and press strip 162 has a few font bending parts for accommodating liquid cooling plate 142 respectively, adjacent a few font bendings
Mechanical connection point (such as pad 163) is shared between part.In the present embodiment, corresponding in each a few font bending parts of press strip 162
Support is provided to a liquid cooling plate 142 and towards the pressing force of the partition 120, while installation as a result, convenient for press strip 162, is increased
Pressurize item 162 to provided by liquid cooling plate 142 towards the pressing force of the partition 120, to increase liquid cooling plate 142 and partition 120
Between heat transfer efficiency.
It is the sectional view of the battery pack of the 7th embodiment of the utility model referring to Fig. 7, Fig. 7.It is similar with Fig. 4, electricity
Pond packet 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module.
In the present embodiment, the support component includes press strip 162 and extends to the press strip from 110 bottom of box assembly
162 elastic supporting member for supporting optical member 161.In the present embodiment, an elastic supporting member for supporting optical member 161 is provided, with to the press strip 162 into one of integral type
Step provide towards the partition 120 pressing force, and then increase press strip 162 to provided by liquid cooling plate 142 towards the partition
120 pressing force, to increase the efficiency of heat transfer between liquid cooling plate 142 and partition 120.
It is the sectional view of the battery pack of the 7th embodiment of the utility model referring to Fig. 8, Fig. 8.It is similar with Fig. 7, electricity
Pond packet 100 includes box assembly 110, partition 120, battery modules 130 and liquid cooled module.
In the present embodiment, the support component includes press strip 162 and extends to the press strip from 110 bottom of box assembly
162 elastic supporting member for supporting optical member 161.In the present embodiment, multiple elastic supporting member for supporting optical member 161, each elastic supporting member for supporting optical member 161 corresponding one are set
A few font bending parts of press strip 162 provide the pressure towards the partition 120 to a few font bending parts bottom of press strip 162 respectively
Clamp force, so increase a few font bending part bottom walls of each press strip 162 to provided by liquid cooling plate 142 towards the partition 120
Pressing force, to increase the efficiency of heat transfer between liquid cooling plate 142 and partition 120.
In each embodiment of the utility model, the liquid cooled module of battery pack 100 is also provided with to be connected positioned at second
Lead to the liquid cooling collector in domain 102, there are some splitters inside liquid cooling collector, for each liquid cooling inflow liquid cooled module
The assignment of traffic of plate is uniform.
9th embodiment of the utility model is described below with reference to Fig. 9 and Figure 10.Battery pack 100 include box assembly 110,
Partition 120, battery modules 130 and liquid cooling plate 142.Battery pack crossbeam (not indicating) and partition weld together, and by every
The side frame of plate and box assembly 110 welds together.As shown in figure 9, battery pack crossbeam, partition, side frame, the first cover board, height
Pressure delivery outlet and breather valve (not indicating) can constitute closed area together, and water can not flow into the region.Battery pack liquid cooling component
Arrangement is fitted closely in 120 lower part of partition, and with partition 120.Battery pack crossbeam, partition, side frame, the second cover board are welded on one
Rise, constitute a closed area, prevent extraneous weather, sandstone and corrosive substance etc. directly contact battery pack liquid cooling plate 142,
Liquid cooling collector 190.There are some splitters inside battery pack liquid cooling collector, for the assignment of traffic for flowing into each liquid cooling plate
Uniformly.
The battery pack of the offer of the utility model has the advantage that
Separate the accommodating space of box assembly, by partition to form the first connected domain and accommodating liquid of set battery mould group
Second connected domain of cold component, the first connected domain and the second connected domain are mutually indepedent, battery modules and liquid cooled module by every
Under the premise of the transmitting of plate heat does not influence battery modules cooling, the leakage of liquid cooled module anti-icing fluid, condensation contact first can be prevented
The battery management system and harness of battery modules, connection battery modules in logical domain, reduce battery modules and connection battery modules
Battery management system and harness a possibility that being damaged due to contact liq, thus improve the reliability of battery pack.
It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined
Assert that the specific implementation of the utility model is only limited to these instructions.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard
To belong to the protection scope of the utility model.
Claims (10)
1. a kind of battery pack characterized by comprising
Box assembly, the box assembly have an accommodating space；
Partition is located in the box assembly, and the accommodating space is made to be divided into the first connected domain and the second connected domain, and described the
One connected domain and second connected domain are mutually indepedent；
Battery modules are located in first connected domain；And
Liquid cooled module is located in second connected domain, and the liquid cooled module is carried out with the battery modules by the partition
Heat transfer.
2. battery pack as described in claim 1, which is characterized in that the box assembly includes:
Cabinet side frame and the first cover board and the second cover board for being placed on cabinet side frame two sides, wherein
The cabinet side frame, first cover board and the partition form closed first connected domain；
The cabinet side frame, second cover board and the partition form closed second connected domain.
3. battery pack as described in claim 1, which is characterized in that further include:
First heat-conducting layer is filled between the battery modules and the partition；
The liquid cooled module includes:
Liquid cooling plate；
Second heat-conducting layer is filled between the liquid cooling plate and the partition.
4. battery pack as claimed in claim 3, which is characterized in that described when the area of the liquid cooling plate is less than predetermined threshold
Second heat-conducting layer is heat-conducting glue, and the liquid cooling plate is fixed on the partition by the heat-conducting glue.
5. battery pack as claimed in claim 3, which is characterized in that the liquid cooled module further include:
The liquid cooling plate is fixed on the partition by support component, and provides the pressure towards the partition to the liquid cooling plate
Clamp force.
6. battery pack as claimed in claim 5, which is characterized in that the support component includes extending to from box assembly bottom
The elastic supporting member for supporting optical member of the liquid cooling plate.
7. battery pack as claimed in claim 5, which is characterized in that the support component includes press strip, the press strip and partition
Mechanical connection is the liquid cooling plate to be pressed between the press strip and the partition, wherein
The press strip includes a few font bending parts for accommodating all liquid cooling plates, the both ends of a few font bending parts with it is described
Partition mechanical connection；Or
The press strip includes the multiple a few font bending parts for accommodating the liquid cooling plate respectively, the both ends of each a few font bending parts
It is mechanically connected with the partition.
8. battery pack as claimed in claim 7, which is characterized in that adjacent when the press strip includes multiple a few font bending parts
A few font bending part phase proximal ends share mechanical link.
9. battery pack as claimed in claim 7, which is characterized in that the support component further includes extending from box assembly bottom
To the elastic supporting member for supporting optical member of the press strip, wherein the quantity of the elastic supporting member for supporting optical member is opposite with the quantity of a few font bending parts
It answers.
10. battery pack as described in any one of claim 1 to 9, which is characterized in that the liquid cooled module further include: battery pack
Liquid cooling collector is located in second connected domain.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029563.3U CN208352390U (en) | 2018-06-29 | 2018-06-29 | Battery pack |
| PCT/CN2019/082099 WO2020001126A1 (en) | 2018-06-29 | 2019-04-10 | Battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821029563.3U CN208352390U (en) | 2018-06-29 | 2018-06-29 | Battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208352390U true CN208352390U (en) | 2019-01-08 |
Family
ID=64882400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821029563.3U Active CN208352390U (en) | 2018-06-29 | 2018-06-29 | Battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208352390U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886087A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Cooling and heat transferring structure of power battery and vehicle |
-
2018
- 2018-06-29 CN CN201821029563.3U patent/CN208352390U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112886087A (en) * | 2019-11-29 | 2021-06-01 | 比亚迪股份有限公司 | Cooling and heat transferring structure of power battery and vehicle |
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