CN207217634U - Battery case - Google Patents
Battery case Download PDFInfo
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- CN207217634U CN207217634U CN201721277990.9U CN201721277990U CN207217634U CN 207217634 U CN207217634 U CN 207217634U CN 201721277990 U CN201721277990 U CN 201721277990U CN 207217634 U CN207217634 U CN 207217634U
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- plate
- battery case
- bottom plate
- connecting plate
- cooling segment
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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 application is related to energy storage device technical field, more particularly to a kind of Battery case, and the Battery case includes：Battery modules；Bottom plate, backplanes support battery modules, bottom plate include coupling part and cooling segment, and coupling part is arranged side by side and is fixedly connected with cooling segment, and the inside of cooling segment has coolant flow channel, and the end face of coupling part protrudes relative to the end face of cooling segment；Connecting plate, connecting plate are connected with bottom plate, have via on connecting plate, and cooling segment is inserted in via.Because coolant flow channel is integrated in the bottom plate of Battery case, sets coolant flow channel not increase extra weight substantially, and be also not take up additional space so that the weight of the Battery case is smaller, energy density is higher.Also, the cooling segment of bottom plate protrudes relative to coupling part, it is inserted with connecting plate coordinates, and the position of bottom plate can be defined by connecting plate, in order to the stability installed Battery case, lift bottom plate.
Description
Technical field
The application is related to energy storage device technical field, more particularly to a kind of Battery case.
Background technology
As energy problem receives more and more attention, new-energy automobile obtains the favor of more and more people, therefore
The technological break-through in electrokinetic cell field is continuous, and people are to battery modules and the energy density of Battery case, the requirement of group efficiency
Also more and more higher, meanwhile, loss of weight is carried out to Battery case, cost declining has been trend of the times.
In order to control the caloric value of Battery case, it is necessary to be cooled down to Battery case, in conventional art, generally individually set
Cooling device is put, specifically, cooling device can be installed in Battery case, the cooling device can take away Battery case work
Caused heat.This cooling device can be arranged on the outside of the bottom plate of Battery case, can also be arranged at the inner side of bottom plate.
However, such a cooling device can increase the weight of Battery case, and the cooling device needs to take certain space, causes electricity
The energy density of pond casing is relatively low.
Utility model content
This application provides a kind of Battery case, the weight of the Battery case is smaller, energy density is higher.
The Battery case that the application provides includes：
Battery modules；
Bottom plate, battery modules described in the backplanes support, the bottom plate include coupling part and cooling segment, the connection
Part is arranged side by side and is fixedly connected with the cooling segment, and the inside of the cooling segment has coolant flow channel, the connection
Partial end face protrudes relative to the end face of the cooling segment；
Connecting plate, the connecting plate are connected with the bottom plate, have via, the cooling segment insertion on the connecting plate
In the via.
Alternatively, the connecting plate and the end face of the coupling part fit.
Alternatively, the part that the cooling segment protrudes relative to the coupling part is cartridge part, the via it is interior
Wall and the outer surface of the cartridge part fit.
Alternatively, the part that the cooling segment protrudes relative to the coupling part is cartridge part, the cartridge part
End sets spigot surface.
Alternatively, the connecting plate is prominent to the direction close to the battery modules relative to the bottom plate.
Alternatively, the inside of the bottom plate also has additional cavities, and the additional cavities are isolated with the coolant flow channel, institute
State connecting plate and block the additional cavities.
Alternatively, in addition to front panel, the front panel include plate body, the first plate and the second plate, first plate and institute
The second plate to be stated to be oppositely arranged, the connecting plate is connected by first plate and second plate with the plate body, the plate body,
First plate and second plate surround manifold, and the manifold is connected with the coolant flow channel.
Alternatively, the connecting plate and setting step surface at the link position of first plate, and/or, the connecting plate
With setting step surface at the link position of second plate.
Alternatively, the bottom plate is arranged to multiple, and each bottom plate is arranged side by side and is mutually permanently connected.
Alternatively, multiple coolant flow channels are set at least one bottom plate.
The technical scheme that the application provides can reach following beneficial effect：
In Battery case provided herein, the inside of bottom plate has coolant flow channel, is passed through in the coolant flow channel cold
But medium, it is possible to which the battery modules in Battery case are cooled down.Because coolant flow channel is integrated in the bottom plate of Battery case
In, set coolant flow channel not increase extra weight substantially, and be also not take up additional space so that the Battery case
Weight is smaller, energy density is higher.Also, the cooling segment of bottom plate protrudes relative to coupling part, it matches somebody with somebody with connecting plate inserting
Close, the position of bottom plate can be defined by connecting plate, in order to the stability installed Battery case, lift bottom plate.
It should be appreciated that the general description and following detailed description of the above are only exemplary, this can not be limited
Application.
Brief description of the drawings
Fig. 1 is the structural representation for the Battery case that the embodiment of the present application provides；
Fig. 2 is the explosive view for the Battery case that the embodiment of the present application provides；
Fig. 3 is the partial enlarged drawing of part A in Fig. 2；
Fig. 4 is another explosive view for the Battery case that the embodiment of the present application provides；
Fig. 5 is the partial enlarged drawing of part B in Fig. 4.
Reference：
100- bottom plates；
110- coupling parts；
111- end faces；
120- cooling segments
121- coolant flow channels；
122- end faces；
123- cartridge parts；
130- additional cavities；
200- connecting plates；
210- vias；
220- First terraces；
300- front panels；
310- plate bodys；
311- water inlets；
312- delivery ports；
The plates of 320- first；
The plates of 330- second；
331- second steps face；
340- manifolds；
400- rear boards；
500- first side plates；
600- second side plates.
Accompanying drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the application
Example, and be used to together with specification to explain the principle of the application.
Embodiment
The application is described in further detail below by specific embodiment and with reference to accompanying drawing.
As Figure 1-Figure 5, the embodiment of the present application provides a kind of Battery case, and the Battery case specifically includes battery modules
(not shown), bottom plate 100 and connecting plate 200, wherein：
Battery modules are usually arranged as multiple, and the arrangement of each battery modules is installed on bottom plate 100.
Bottom plate 100 supports battery modules, and bottom plate 100 includes coupling part 110 and cooling segment 120, coupling part 110
It is arranged side by side and is fixedly connected with cooling segment 120, the inside of cooling segment 120 has coolant flow channel 121, and coupling part
110 end face 111 protrudes relative to the end face 122 of cooling segment 120, i.e., the end of coupling part 110 is relative to cooling segment
120 end is stretched out.Coupling part 110 and cooling segment 120 herein can be in strip structure, and both bearing of trends are mutual
It is parallel, and both can be integrally formed.Cooling medium can be passed through in coolant flow channel 121, to realize the radiating of battery modules.Should
Cooling medium can be water or other liquid.After ensureing that cooling effectiveness, cooling medium enter coolant flow channel 121,
Preferably while contacted with multiple battery modules, therefore coolant flow channel 121 can cover each battery modules.Bottom plate 100 can use
Aluminium (such as aluminium alloy) is processed, and can be specifically processed using expressing technique, and bottom plate 100 uses integrally formed processing side
Formula, can prevent that bottom plate 100 from occurring the problem of coolant leakage because of tolerance stack, and such a bottom plate 100 have light weight,
The advantages of intensity is high, thermal conductivity factor is big.
Connecting plate 200 is connected with bottom plate 100, has via 210 on connecting plate 200, and cooling segment 120 inserts the via
In 210.Specifically, in the partial insertion via 210 that cooling segment 120 is protruded relative to coupling part 110, now, hanging down
Directly on the direction of bottom plate 100 and direction parallel to connecting plate 200, cooling segment 120 positions with connecting plate 200.Connection
Together with plate 200 can also be further welded between bottom plate 100.Therefore, when installing Battery case, connecting plate 200 can be with
Pre-determined bit is carried out with bottom plate 100, in order to install Battery case；Meanwhile after the completion of Battery case assembling, connecting plate 200 can be with
The position of auxiliary limitation bottom plate 100 so that bottom plate 100 has higher stability.
Because coolant flow channel 121 is integrated in the bottom plate 100 of Battery case, coolant flow channel 121 is set not increase substantially
Extra weight, and additional space is also not take up, also can reserves more spaces to set battery modules so that
The weight of the Battery case is smaller, energy density is higher.In addition, the Battery case has further the advantage that：
1st, because battery modules are placed directly on bottom plate 100, and the inside of bottom plate 100 sets coolant flow channel 121, because
This coolant flow channel 121 can directly take away the heat in battery modules, therefore the Battery case can lift dissipating for battery modules
The thermal efficiency, lift the security of whole Battery case.
2nd, coolant flow channel 121 is integrally disposed when the inside of bottom plate 100, because bottom plate 100 is not easy to damage in itself,
Therefore the cooling medium in coolant flow channel 121 is not easy to leak, and can also lift the security of Battery case.
After Battery case has assembled, there can be gap between the end face 111 of the coupling part 110 of connecting plate 200, both
It can also be bonded.When using latter configuration, connecting plate 200 can enter on the direction of connecting plate 200 to bottom plate 100
Row is spacing, therefore the preferred latter configuration of the embodiment of the present application, with this on more directions positioning plate 100 so that battery
The assembling of casing is more convenient, packaging efficiency is higher, while the further stability of lifting bottom plate 100.
For the ease of description, the part that cooling segment 120 protrudes relative to coupling part 110 can be defined as cartridge part
123, the inwall of the via 210 of connecting plate 200 and the outer surface of the cartridge part 123 fit.That is, via 210 is interior
The contour shape and overall size of wall can keep one with the contour shape and overall size of the outer surface of cartridge part 123
Cause, contour shape herein can be specifically triangle, quadrangle etc. so that connecting plate 200 can limit cartridge part 123 and exist
Rotation in via 210.Obviously, this structure can on more directions positioning plate 100 so that the assembling of Battery case
It is more convenient, packaging efficiency is higher, while the further stability of lifting bottom plate 100.
Alternatively, end face (i.e. the end face 122 of cooling segment 120) place of above-mentioned cartridge part 123 can set spigot surface (figure
Not shown in).That is, point to connecting plate 200 in the bearing of trend parallel to cooling segment 120 and from cartridge part 123
On direction, cartridge part 123 is rendered as reducing structure in the opening position of setting spigot surface so that cartridge part 123 is close to connecting plate 200
One end be easier into the via 210 of connecting plate 200, and then be easy to realize more quickly bottom plate 100 and connecting plate 200 it
Between assembling.
On the direction of bottom plate 100, the top surface of connecting plate 200 can with the top surface flush of bottom plate 100, even
The top surface of bottom plate 100 can be less than in the top surface of connecting plate 200, certainly, the top surface of connecting plate 200 can also exceed bottom plate 100
Top surface, i.e., connecting plate 200 relative to bottom plate 100 to close to battery modules direction it is prominent.Using a kind of last set-up mode
When, for connecting plate 200 relative to bottom plate 100 than more prominent, personnel easy to operation find connecting plate 200 to implement subsequent operation；Together
When, the part that connecting plate 200 protrudes relative to bottom plate 100 can also realize the auxiliary stopper of battery modules, and then lift battery
Stability of the module in the inside of Battery case.
Alternatively, can be with shape as shown in figure 5, in bottom plate 100 in addition to it can form foregoing coolant flow channel 121
Into additional cavities 130, the additional cavities 130 are isolated with coolant flow channel 121, and connecting plate 200 can block the additional cavities
130.Specifically, additional cavities 130 can be arranged in coupling part 110, can also be arranged in cooling segment 120, and
Additional cavities 130 could be arranged to multiple.Additional cavities 130 can be by coupling part 110 with isolating for coolant flow channel 121
Dividing plate is set to realize with cooling segment 120, the dividing plate could be arranged to multiple, and the opposite sides of a part of dividing plate is attached
Add cavity 130, the opposite sides of a part of dividing plate is respectively coolant flow channel 121 and additional cavities 130.
Above-mentioned additional cavities 130 can realize the loss of weight of bottom plate 100, so that the lightweight of Battery case is better achieved, together
When play certain cushioning effect.Certainly, according to different radiating requirements, cooling can also be passed through in additional cavities 130 and is situated between
Matter so that this part additional cavities 130 can also use as coolant flow channel 121.In addition, blocked by connecting plate 200 additional
It cavity 130, can prevent impurity from entering additional cavities 130, while consolidating between connecting plate 200 and bottom plate 100 can also be passed through
Surely the structural strength of Battery case is improved.
In a kind of embodiment, Battery case can also include front panel 300, the front panel 300 include plate body 310 and with
Plate body 310 connected the first plate 320 and the second plate 330.First plate 320 and the second plate 330 are oppositely arranged, and both of which can use
Slab construction, and both can be parallel to each other.Connecting plate 200 is connected with the first plate 320 and the second plate 330, to pass through first
The plate 330 of plate 320 and second is connected with plate body 310, finally realizes the connection between bottom plate 100 and front panel 300.On plate body 310
Water inlet 311 and delivery port 312 are opened up, plate body 310, the first plate 320 and the second plate 330 can surround manifold 340, the afflux
Chamber 340 is connected with coolant flow channel 121.This manifold 340 could be arranged to the two parts being isolated, and this two parts is respectively with entering
The mouth of a river 311 connects with delivery port 312, and the cooling medium in water inlet 311 flows through a part for manifold 340, cooling stream successively
Flowed out after road 121, another part of manifold 340, delivery port 312.When coolant flow channel 121 is arranged to multiple, manifold 340
A part in cooling medium can distribute into multiple coolant flow channels 121, the cooling medium in multiple coolant flow channels 121 can
To be collected to another part of manifold 340, flowed back with realizing the centralized distribution of cooling medium and concentrating, such a structure can letter
The structure of electrochemical cell casing.
Above-mentioned Battery case can also include rear board 400, first side plate 500 and second side plate 600, rear board
400 is relative with front panel 300, and front panel 300, first side plate 500, rear board 400 and second side plate 600 connect from beginning to end successively
After connecing and bottom plate 100 forms receiving space, and battery modules are positioned in the receiving space.
Further, as shown in figure 5, step surface can be set at the link position of the plate 320 of connecting plate 200 and first, and/
Or, step surface is set at the link position of the plate 330 of connecting plate 200 and second.Specifically, there is first step on connecting plate 200
Face 220, the first plate 320 are matched with the First terrace 220.Second plate 330 has second step face 331, and connecting plate 200 is matched somebody with somebody
At the second step face 331.Now, the plate 320 of connecting plate 200 and first can be simultaneously perpendicular to the side of connecting plate 200
To, position on the direction of bottom plate 100, so as to lift the bonding strength between connecting plate 200 and front panel 300, reach
Optimize the purpose of the structural strength of Battery case.
Alternatively, foregoing connecting plate can be set in the opposite sides of bottom plate 100, in the opposite sides of bottom plate 100,
Cooling segment 120 can protrude relative to coupling part 110.
The size of above-mentioned bottom plate 100 is commonly designed bigger, and more battery modules, and bottom plate 100 are supported with this
Shape be usually irregular shape, if the whole installation of bottom plate 100 is integral type structure, then the processing of bottom plate 100
Will be more complicated.Therefore, bottom plate 100 can be arranged into multiple, each bottom plate 100 is arranged side by side and is mutually permanently connected.
That is all battery modules can be supported by multiple bottom plates 100, the size of single bottom plate 100 is smaller, and shape matching
Simply so that a part of bottom plate 100 can use same processing mold, processing technology to be manufactured.It can be seen that such a structure can
To simplify the processing technology of Battery case, the processing cost of Battery case is reduced.
Specifically, above-mentioned each bottom plate 100 can be secured together by the way of agitating friction weldering.
When bottom plate 100 is arranged to multiple, in order to ensure the cooling uniformity of each bottom plate 100, it is all provided with each bottom plate 100
Put coolant flow channel 121.Further, in order to lift cooling effect, at least one bottom plate 100 sets multiple coolant flow channels 121, with
Increase the active area between cooling medium and battery modules.
The preferred embodiment of upper described only the application, is not limited to the application, for the technology of this area
For personnel, the application can have various modifications and variations.It is all within spirit herein and principle, made any repair
Change, equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
- A kind of 1. Battery case, it is characterised in that including：Battery modules；Bottom plate, battery modules described in the backplanes support, the bottom plate include coupling part and cooling segment, the coupling part It is arranged side by side and is fixedly connected with the cooling segment, the inside of the cooling segment has coolant flow channel, the coupling part End face relative to the cooling segment end face protrude；Connecting plate, the connecting plate are connected with the bottom plate, have via on the connecting plate, described in the cooling segment insertion In via.
- 2. Battery case according to claim 1, it is characterised in that the connecting plate and the end face phase of the coupling part Fitting.
- 3. Battery case according to claim 2, it is characterised in that the cooling segment is dashed forward relative to the coupling part The part gone out is cartridge part, and the inwall of the via and the outer surface of the cartridge part fit.
- 4. Battery case according to claim 1, it is characterised in that the cooling segment is dashed forward relative to the coupling part The part gone out is cartridge part, and the end of the cartridge part sets spigot surface.
- 5. Battery case according to claim 1, it is characterised in that the connecting plate is relative to the bottom plate to close to institute The direction for stating battery modules protrudes.
- 6. Battery case according to claim 1, it is characterised in that the inside of the bottom plate also has additional cavities, institute State additional cavities with the coolant flow channel to isolate, the connecting plate blocks the additional cavities.
- 7. Battery case according to claim 1, it is characterised in that also including front panel, the front panel include plate body, First plate and the second plate, first plate and second plate are oppositely arranged, and the connecting plate passes through first plate and described Second plate is connected with the plate body, and the plate body, first plate and second plate surround manifold, the manifold and institute Coolant flow channel is stated to be connected.
- 8. Battery case according to claim 7, it is characterised in that the link position of the connecting plate and first plate Place sets step surface, and/or, the connecting plate at the link position of second plate with setting step surface.
- 9. Battery case according to claim 1, it is characterised in that the bottom plate is arranged to multiple, and each bottom plate is simultaneously Row sets and is mutually permanently connected.
- 10. Battery case according to claim 1, it is characterised in that set at least one bottom plate multiple described Coolant flow channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277990.9U CN207217634U (en) | 2017-09-29 | 2017-09-29 | Battery case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721277990.9U CN207217634U (en) | 2017-09-29 | 2017-09-29 | Battery case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207217634U true CN207217634U (en) | 2018-04-10 |
Family
ID=61820130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721277990.9U Active CN207217634U (en) | 2017-09-29 | 2017-09-29 | Battery case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207217634U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713177A (en) * | 2018-11-30 | 2019-05-03 | 东风汽车有限公司 | Electric automobile power battery lower casing |
| CN111211266A (en) * | 2020-01-12 | 2020-05-29 | 南京创源天地动力科技有限公司 | New energy battery box assembly structure |
| CN111211376A (en) * | 2020-01-12 | 2020-05-29 | 南京创源天地动力科技有限公司 | New energy automobile integrates water-cooling box |
| WO2022265188A1 (en) * | 2021-06-16 | 2022-12-22 | 주식회사 엘지에너지솔루션 | Battery cell retention frame |
| WO2022265189A1 (en) * | 2021-06-16 | 2022-12-22 | 주식회사 엘지에너지솔루션 | Battery system having battery module |
-
2017
- 2017-09-29 CN CN201721277990.9U patent/CN207217634U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109713177A (en) * | 2018-11-30 | 2019-05-03 | 东风汽车有限公司 | Electric automobile power battery lower casing |
| CN109713177B (en) * | 2018-11-30 | 2021-12-17 | 东风汽车有限公司 | Electric automobile power battery lower casing |
| CN111211266A (en) * | 2020-01-12 | 2020-05-29 | 南京创源天地动力科技有限公司 | New energy battery box assembly structure |
| CN111211376A (en) * | 2020-01-12 | 2020-05-29 | 南京创源天地动力科技有限公司 | New energy automobile integrates water-cooling box |
| WO2021139058A1 (en) * | 2020-01-12 | 2021-07-15 | 南京创源天地动力科技有限公司 | New energy battery box assembly structure |
| WO2021139059A1 (en) * | 2020-01-12 | 2021-07-15 | 南京创源天地动力科技有限公司 | Integrated water-cooled chamber body for new-energy vehicle |
| WO2022265188A1 (en) * | 2021-06-16 | 2022-12-22 | 주식회사 엘지에너지솔루션 | Battery cell retention frame |
| WO2022265189A1 (en) * | 2021-06-16 | 2022-12-22 | 주식회사 엘지에너지솔루션 | Battery system having battery module |
| US11784364B2 (en) | 2021-06-16 | 2023-10-10 | Lg Energy Solution, Ltd. | Battery system having a battery module |
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