CN209169227U - Battery pack and vehicle - Google Patents
Battery pack and vehicle Download PDFInfo
- Publication number
- CN209169227U CN209169227U CN201822056790.1U CN201822056790U CN209169227U CN 209169227 U CN209169227 U CN 209169227U CN 201822056790 U CN201822056790 U CN 201822056790U CN 209169227 U CN209169227 U CN 209169227U
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- Prior art keywords
- plate
- cooling circuit
- battery pack
- side plate
- battery
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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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a kind of battery pack and vehicles, and wherein battery pack includes: lower case, battery modules and mould group cooling circuit.There is lower case cooling circuit in the lower case；The battery modules are fixed in the lower case, and the battery modules include: battery modules frame and the battery core that is arranged in the battery modules frame；The mould group cooling circuit is integrated in the battery modules frame, and the mould group cooling circuit is connected with the lower case cooling circuit.Cooling structure is integrated in lower case and battery modules frame by the battery pack, to avoid installing individual cooling structure additional in battery pack, and then battery pack inner space can be saved, reduce battery pack total weight, promote the energy density of battery pack, and mould group cooling circuit is integrated in battery modules frame also to that it can be made to be bonded with battery core is closer, keeps cooling effect more preferable.
Description
Technical field
The utility model relates to technical field of vehicle, in particular to a kind of battery pack and vehicle.
Background technique
In the related technology, the liquid cooling system of battery pack is independently of except power battery structure more, generallys use cooling
The mode of plate abutting battery modules lower end.Individual cooling structure will increase the overall weight of power battery, reduce battery pack
Energy density, and close contact is difficult to ensure with the battery core in battery modules.For different battery pack structures, cooling line
It needs to redesign, to increase design efforts would, there are rooms for improvement.
Utility model content
In view of this, the utility model is directed to a kind of battery pack, which is integrated in lower case for cooling structure
And in battery modules frame, to reduce battery pack total weight, the energy density of battery pack is promoted, and cooling effect is more preferable.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of battery pack, comprising: lower case, the lower case is interior to have lower case cooling circuit；Battery modules, the electricity
Chi Mo group is fixed in the lower case, and the battery modules include: battery modules frame and are arranged in the battery modules frame
Battery core in frame；Mould group cooling circuit, the mould group cooling circuit are integrated in the battery modules frame, and the mould group is cooling
Circuit is connected with the lower case cooling circuit.
Further, the battery modules frame includes: end plate and side plate, and side plate cooling circuit is formed in the side plate,
The side plate cooling circuit constitutes at least part of the mould group cooling circuit.
Further, the side plate includes: side plate body and the first sealing plate that the side plate body two sides are arranged in, institute
The two sides for stating side plate body are recessed inwardly to form side plate groove, and first sealing plate seals the side plate groove, in institute
It states and forms the side plate cooling circuit between side plate body and first sealing plate.
Further, multiple side plate flow-disturbing protrusions, multiple side plate flow-disturbing protrusions are provided in the side plate cooling circuit
Sandwiched is fixed between the bottom wall of the side plate groove and first sealing plate.
Further, the battery modules frame further include: demarcation plate, the demarcation plate are connected between the end plate, institute
Battery core is stated to be folded between the side plate and the demarcation plate.
Further, demarcation plate cooling circuit is also formed in the demarcation plate, described in the demarcation plate cooling circuit is constituted
A part of mould group cooling circuit.
Further, the demarcation plate includes: demarcation plate ontology and is arranged in the second close of demarcation plate ontology two sides
Sealing plate, the two sides of the demarcation plate ontology are recessed inwardly to form demarcation plate groove, and second sealing plate seals the separation
Plate groove, to form the demarcation plate cooling circuit between the demarcation plate ontology and second sealing plate.
Further, multiple demarcation plate flow-disturbing protrusions are provided in the demarcation plate cooling circuit, multiple demarcation plates are disturbed
Raised sandwiched is flowed to be fixed between the bottom wall of the demarcation plate groove and second sealing plate.
Further, the lower case has a pair of of side bar, and the side plate is connected with a pair of side bar respectively, and described
Lower case cooling circuit is at least partially formed in the side bar, and side protection cavity is also formed in the side bar and bottom is protected
Cavity is protected, the outside of the lower case cooling circuit is arranged in the side protection cavity, and the bottom protection cavity setting exists
The bottom of the lower case cooling circuit.
Compared with the existing technology, battery pack described in the utility model has the advantage that
(1) cooling structure is integrated in lower case and battery modules frame by battery pack described in the utility model, the battery pack
In frame, to avoid individual cooling structure is installed additional in battery pack, and then battery pack inner space can be saved, it is total to reduce battery pack
Weight promotes the energy density of battery pack, and mould group cooling circuit is integrated in battery modules frame can also make itself and electricity
Core is bonded closer, keeps cooling effect more preferable.
The another object of the utility model is to propose a kind of vehicle, including above-mentioned battery pack, the battery pack of the vehicle
Weight it is lighter, energy density is higher.
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 explosive view of the lower case and battery modules according to the utility model embodiment；
Fig. 2 is the explosive view according to the side plate of the utility model embodiment；
Fig. 3 is the explosive view according to the demarcation plate of the utility model embodiment；
Fig. 4 is the structural schematic diagram according to the lower case of the utility model embodiment；
Fig. 5 is the sectional view of the A-A along Fig. 4.
Description of symbols:
1- lower case, 11- lower case cooling circuit, 2- battery modules, 21- battery modules frame, 22- battery core, the end 211-
Plate, 212- side plate, 2122- side plate body, the first sealing plate of 2123-, 2124- side plate groove, 4- side plate flow-disturbing protrusion, 213-
Demarcation plate, 2132- demarcation plate ontology, the second sealing plate of 2133-, 2134- demarcation plate groove, 5- demarcation plate flow-disturbing protrusion, the side 12-
Cavity is protected in beam, the side 121-, and cavity is protected in the bottom 122-.
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.
Below with reference to Fig. 1-Fig. 5 description according to the battery pack of the utility model embodiment.
Battery pack according to the utility model embodiment may include: lower case 1, battery modules 2 and mould group cooling circuit.
As shown in Figure 1, Figure 4 and Figure 5, there is lower case cooling circuit 11 in lower case 1.Lower case cooling circuit 11 is suitable for
It is connected to the liquid coolant sources outside battery pack, extraneous coolant liquid is imported into the cooling system of battery pack and will be changed
Coolant liquid after heat exports to outside battery pack.
Referring to Fig.1, battery modules 2 are fixed in lower case 1, are shaken and are influenced in battery pack to avoid battery modules 2
The stability of battery pack, wherein battery modules 2 include: battery modules frame 21 and the electricity that is arranged in battery modules frame 21
Core 22, battery modules frame 21 are used to provide fixed support force for battery core 22 and limit battery core 22, make the securely sandwiched of battery core 22
In battery modules frame 21.
Further, mould group cooling circuit is integrated in battery modules frame 21, and mould group cooling circuit is cooled back with lower case
Road 11 is connected, and to guide the coolant into and export mould group cooling circuit, and then forms complete cooling cycle in battery pack and returns
Road.In other words, battery modules frame 21 is integrated with cooling structure, it is bonded it more with the battery core 22 in battery modules 2
Step up close, cooling effect gets a promotion.And avoid the cost brought by individually designed installation cooling structure in battery pack
Space hold in increase and battery pack, and can effectively reduce the total weight of battery pack, and then the energy for promoting battery pack is close
Degree.
According to the battery pack of the utility model embodiment, which is integrated in lower case 1 and battery mould for cooling structure
In framing 21, to avoid individual cooling structure is installed additional in battery pack, and then battery pack inner space can be saved, reduce electricity
Pond packet total weight promotes the energy density of battery pack, and mould group cooling circuit is integrated in battery modules frame 21 and may be used also
It is bonded it with battery core 22 closer, keeps cooling effect more preferable.
Embodiment referring to figs. 1 and 2, battery modules frame 21 include: end plate 211 and side plate 212.Specifically, under
Do not have transverse and longitudinal fixed beam on shell 1, the effect of end plate 211 be to be fixedly clamped battery core 22 both ends and reinforcement battery pack
Intensity guarantees there is pressing force and the longitudinal beam for replacing battery pack between each battery core 22, and the effect of side plate 212 is to clamp
The other two sides of fixed battery core 22 and the intensity for reinforcing battery pack, guarantee 22 side of battery core to non-displacement and for replacing battery pack
Transverse beam.It can effectively reduce the total weight of battery pack as a result, to promote the energy density of battery pack.
Further, side plate cooling circuit is formed in side plate 212, side plate cooling circuit constitutes mould group cooling circuit at least
A part.Wherein, battery core 22 is folded between two side plates 212, side plate 212 is suitable for closing with the opposite exterior lateral sides face paste of battery core 22,
Side plate cooling circuit is formed in side plate 212 effectively to exchange heat to battery core 22, to guarantee that battery core 22 can be normal
At a temperature of run.
As shown in Fig. 2, side plate 212 includes: side plate body 2122 and is arranged in the first close of 2122 two sides of side plate body
Sealing plate 2123, the two sides of side plate body 2122 are recessed inwardly to form side plate groove 2124, and the first sealing plate 2123 seals side plate
Groove 2124, to form side plate cooling circuit between side plate body 2122 and the first sealing plate 2123.Wherein, the first sealing
The both ends of plate 2123 have through-hole, and through-hole is connected with side plate cooling circuit, and coolant connection is connected on through-hole, for under
Shell cooling circuit 11 is connected to, in order to the disengaging of coolant liquid.
Since the two sides of side plate 212 are provided with battery core 22, side plate is respectively formed in the two sides of side plate 212 and is cooled back
Road can save the arrangement space of cooling structure, also can reach the effect of loss of weight.I.e. one block of side plate 212 can be simultaneously its two sides
Multiple battery cores 22 exchange heat.
And since side plate cooling circuit is formed in the two sides of side plate 212, can be bonded with battery core 22 it is closer, therefore
Heat transfer effect can be made more preferable.
Further, multiple side plate flow-disturbing protrusions 4 are provided in side plate cooling circuit, raised 4 sandwicheds of multiple side plate flow-disturbings are solid
It is scheduled between the bottom wall of side plate groove 2124 and the first sealing plate 2123.Setting side plate flow-disturbing protrusion 4 can enable coolant liquid more
Add and uniform flow side plate cooling circuit, so that the cooling effect of side plate 212 is more evenly, and side plate flow-disturbing protrusion 4 is set also
It can avoid the normal circulation flowing that coolant liquid generates vortex in side plate cooling circuit and influences coolant liquid.
In conjunction with Fig. 1 and embodiment illustrated in fig. 3, battery modules frame 21 further include: demarcation plate 213, demarcation plate 213 are connected to
Between end plate 211, battery core 22 is folded between side plate 212 and demarcation plate 213.Setting demarcation plate 213 can make entire battery modules
It is firm that frame 21 is more stablized.Wherein, the effect of demarcation plate 213 is that multiple battery cores 22 are isolated, to guarantee insulating properties and stabilization
Property, it can avoid the safety for causeing short circuit and influencing battery pack between multiple battery cores 22.The battery core 22 of battery modules 2 can
It is reinforced plate to separate, every part is made of multiple battery cores 22 respectively, group efficiency with higher, and passes through demarcation plate
213 compartmentation decomposes the expansive force between battery core 22 effectively.
Further, demarcation plate cooling circuit is also formed in demarcation plate 213, demarcation plate cooling circuit constitutes mould group and cools back
The a part on road.Wherein, battery core 22 is folded between two side plates 212 and demarcation plate 213, demarcation plate 213 is suitable for and battery core 22
Relative inner face paste close, demarcation plate cooling circuit is formed in demarcation plate 213 effectively to exchange heat to battery core 22, and
Cooperate the cooling effect of side plate 212 to guarantee that battery core 22 can be run at a normal temperature.
As shown in figure 3, demarcation plate 213 includes: demarcation plate ontology 2132 and is arranged in 2132 two sides of demarcation plate ontology
Second sealing plate 2133, the two sides of demarcation plate ontology 2132 are recessed inwardly to form demarcation plate groove 2134, the second sealing plate
2133 sealed separation plate grooves 2134 are cooled back with forming demarcation plate between demarcation plate ontology 2132 and the second sealing plate 2133
Road.Wherein, the both ends of the second sealing plate 2133 have through-hole, and through-hole is connected with demarcation plate cooling circuit, is connected on through-hole
Coolant connection, for being connected to lower case cooling circuit 11, in order to the disengaging of coolant liquid.
Since the two sides of demarcation plate 213 are provided with battery core 22, demarcation plate is respectively formed in the two sides of demarcation plate 213
Cooling circuit can save the arrangement space of cooling structure, also can reach the effect of loss of weight.I.e. one piece of demarcation plate 213 can be it simultaneously
Multiple battery cores 22 of two sides exchange heat.
And since demarcation plate cooling circuit is formed in the two sides of demarcation plate 213, can be bonded with battery core 22 it is closer,
Therefore heat transfer effect can be made more preferable.
Further, multiple demarcation plate flow-disturbing protrusions 5, multiple demarcation plate flow-disturbing protrusions 5 are provided in demarcation plate cooling circuit
Sandwiched is fixed between the bottom wall of demarcation plate groove 2134 and the second sealing plate 2133.Setting demarcation plate flow-disturbing protrusion 5 can make cold
What but liquid can be more uniform flows through demarcation plate cooling circuit, so that the cooling effect of demarcation plate 213 is more evenly, and is arranged
Demarcation plate flow-disturbing protrusion 5 also can avoid the normal circulation that coolant liquid generates vortex in demarcation plate cooling circuit and influences coolant liquid
Flowing.
In conclusion sharing one block of side plate between demarcation plate 213,2 mould group of battery modules by sharing between battery core 22
212, side plate 212 and demarcation plate 213 all have double-sided cooled structure, end plate 211, the side plate 212 of the battery modules 2 of lower case 1
Transverse beam and longitudinal beam as lower case 1, a series of sharing method mitigate the overall weight of battery pack substantially, can be with shape
At firm integral frame structure；And side plate 212 and demarcation plate 213 are integrated with cooling structure, make itself and battery modules 2
Battery core 22 be bonded it is even closer so that cooling effect gets a promotion.
In conjunction with Fig. 1, Fig. 4 and embodiment illustrated in fig. 5, lower case 1 has a pair of of side bar 12, side plate 212 respectively with an opposite side
Beam 12 is connected, and lower case cooling circuit 11 is at least partially formed in side bar 12.In other words, the structure cooling line with
Lower case side bar 12 combines, and eliminates the work of individually designed cooling line, while mitigates battery pack overall structure,
The space in battery pack can be saved, also can avoid the leakage of cooling circuit.Since the inlet of side plate 212 and demarcation plate 213 is equal
The end of side plate 212 and demarcation plate 213 is set, and close with side bar 12, therefore can directly be attached and avoid in battery pack
Connecting line is separately provided in inside, thus can save the inner space of battery pack.
Further, referring to Fig. 5, side protection cavity 121 and bottom protection cavity 122, side are also formed in side bar 12
The outside of lower case cooling circuit 11 is arranged in protection cavity 121, and bottom protects cavity 122 to be arranged in lower case cooling circuit
11 bottom.It can be protected in 11 downside of lower case cooling circuit and outside as a result, bottom and side occurs in battery pack
When portion impacts, it is capable of the integrality of effective protection lower case cooling circuit 11 to avoid leakage.
According to the vehicle of the utility model another aspect embodiment, including battery pack described in above-described embodiment.For
Other constructions of vehicle such as speed changer, braking system, steering system etc. have been the prior art and have been those skilled in the art
Known to member, therefore do not elaborate for other constructions of vehicle here.
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 characterized by comprising
Lower case (1), the lower case (1) is interior to have lower case cooling circuit (11)；
Battery modules (2), the battery modules (2) are fixed in the lower case (1), and the battery modules (2) include: battery
Module framework (21) and the battery core (22) being arranged in the battery modules frame (21)；
Mould group cooling circuit, the mould group cooling circuit are integrated in the battery modules frame (21), and the mould group cools back
Road is connected with the lower case cooling circuit (11).
2. battery pack according to claim 1, which is characterized in that the battery modules frame (21) includes: end plate (211)
With side plate (212), the side plate (212) is interior to be formed with side plate (212) cooling circuit, and side plate (212) cooling circuit is constituted
At least part of the mould group cooling circuit.
3. battery pack according to claim 2, which is characterized in that the side plate (212) include: side plate body (2122) with
And setting is in first sealing plate (2123) of the side plate body (2122) two sides, the two sides of the side plate body (2122) towards
Sunken inside forms side plate groove (2124), and first sealing plate (2123) seals the side plate groove (2124), described
The side plate (212) cooling circuit is formed between side plate body (2122) and first sealing plate (2123).
4. battery pack according to claim 3, which is characterized in that be provided in side plate (212) cooling circuit multiple
Side plate flow-disturbing is raised (4), and multiple raised (4) sandwicheds of the side plate flow-disturbing are fixed on bottom wall and the institute of the side plate groove (2124)
It states between the first sealing plate (2123).
5. battery pack according to claim 2, which is characterized in that the battery modules frame (21) further include: demarcation plate
(213), the demarcation plate (213) is connected between the end plate (211), and the battery core (22) is folded in the side plate (212)
Between the demarcation plate (213).
6. battery pack according to claim 5, which is characterized in that it is cold to be also formed with demarcation plate in the demarcation plate (213)
But circuit, the demarcation plate cooling circuit constitute a part of the mould group cooling circuit.
7. battery pack according to claim 6, which is characterized in that the demarcation plate (213) includes: demarcation plate ontology
(2132) and setting demarcation plate ontology (2132) two sides the second sealing plate (2133), the demarcation plate ontology
(2132) two sides are recessed inwardly to be formed demarcation plate groove (2134), and second sealing plate (2133) seals the demarcation plate
Groove (2134), it is cold to form the demarcation plate between the demarcation plate ontology (2132) and second sealing plate (2133)
But circuit.
8. battery pack according to claim 7, which is characterized in that be provided in demarcation plate (213) cooling circuit more
A demarcation plate flow-disturbing is raised (5), and multiple raised (5) sandwicheds of the demarcation plate flow-disturbing are fixed on the demarcation plate groove (2134)
Between bottom wall and second sealing plate (2133).
9. battery pack according to claim 2, which is characterized in that the lower case (1) has a pair of of side bar (12), described
Side plate (212) is connected with a pair of side bar (12) respectively, and the lower case cooling circuit (11) is at least partially formed in
In the side bar (12), side protection cavity (121) and bottom protection cavity (122), institute are also formed in the side bar (12)
Side protection cavity (121) setting is stated in the outside of the lower case cooling circuit (11), bottom protection cavity (122) sets
It sets in the bottom of the lower case cooling circuit (11).
10. a kind of vehicle, which is characterized in that including battery pack according to claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056790.1U CN209169227U (en) | 2018-12-07 | 2018-12-07 | Battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822056790.1U CN209169227U (en) | 2018-12-07 | 2018-12-07 | Battery pack and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209169227U true CN209169227U (en) | 2019-07-26 |
Family
ID=67342837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822056790.1U Active CN209169227U (en) | 2018-12-07 | 2018-12-07 | Battery pack and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209169227U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581302A (en) * | 2019-10-17 | 2019-12-17 | 北京普莱德新能源电池科技有限公司 | Battery module and electric device |
-
2018
- 2018-12-07 CN CN201822056790.1U patent/CN209169227U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110581302A (en) * | 2019-10-17 | 2019-12-17 | 北京普莱德新能源电池科技有限公司 | Battery module and electric device |
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