CN211719646U - Battery pack and electric device - Google Patents
Battery pack and electric device Download PDFInfo
- Publication number
- CN211719646U CN211719646U CN202020281531.3U CN202020281531U CN211719646U CN 211719646 U CN211719646 U CN 211719646U CN 202020281531 U CN202020281531 U CN 202020281531U CN 211719646 U CN211719646 U CN 211719646U
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- cooling plate
- energy storage
- battery
- battery pack
- storage units
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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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Abstract
The utility model provides a battery pack, including battery box, cooling plate and two at least energy storage units, the cooling plate is connected with the battery box lateral wall, and two energy storage units set up the both sides at the cooling plate respectively, the cooling plate forms the support to at least one energy storage unit. The utility model provides a problem of double-deck battery module battery box bottom thickness, provide a battery package and electric actuator.
Description
Technical Field
The utility model relates to a battery package and electric actuator.
Background
The traditional battery pack adopts a single-layer battery module structure, and the space utilization rate of the electric vehicle and the energy density of the battery pack are lower. To solve this problem, in the related art, the battery modules are mounted in a stack structure in the battery pack. However, in order to support the battery module disposed in the stacked structure, it is necessary to increase the strength of the bottom of the battery case or to add a mounting bracket, which lowers the energy density of the battery pack to some extent.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a battery pack, including battery box, cooling plate and two at least energy storage units, the cooling plate is connected with the battery box lateral wall, and two energy storage units set up the both sides at the cooling plate respectively, the cooling plate forms the support to at least one energy storage unit.
In an achievable mode, the battery box is divided into an upper accommodating cavity and a lower accommodating cavity by the horizontal arrangement of the cooling plate, the two accommodating cavities are respectively provided with the energy storage units, the cooling plate directly forms a support for the energy storage units in the accommodating cavities above the cooling plate, and/or the cooling plate forms a suspension support for the energy storage units in the accommodating cavities below the cooling plate. In another realizable mode, the battery box is divided into a left accommodating cavity and a right accommodating cavity by the vertical arrangement of the cooling plate, energy storage units are arranged in the two accommodating cavities respectively, and the cooling plate forms suspension support for the energy storage units on the left side and/or the right side of the cooling plate.
The cooling plate supports both of the two energy storage units.
The cooling plate is connected with the side wall of the battery box to divide the battery box into two containing cavities, and the two energy storage units are respectively arranged in the two containing cavities; the cooling plate supports the energy storage units, and the two energy storage units are connected with the cooling plate and apply self gravity to the cooling plate. Since the bottom of the battery box does not need to directly bear the weight of the energy storage unit, the thickness and the mass of the bottom of the battery box are reduced.
And the two energy storage units are fixedly connected with the cooling plate.
The two energy storage units are fixedly connected with the cooling plate through bolts and the like.
At least one energy storage unit is in heat transfer contact with the cooling plate.
Both energy storage units are in heat transfer contact with the cooling plate.
The two energy storage units share the same cooling plate, so that the light weight of the battery pack is facilitated, and the energy density of the battery pack is improved.
And heat-conducting glue or heat-conducting cotton is arranged between the energy storage unit and the cooling plate.
The battery box is divided into a left accommodating cavity and a right accommodating cavity by the cooling plate.
The battery box is divided into an upper accommodating cavity and a lower accommodating cavity by the cooling plate.
The energy storage unit at least comprises two battery packs.
The upper surface of the cooling plate is provided with a first bearing beam, the first bearing beam is connected with the cooling plate, and two ends of the first bearing beam are connected with the side wall of the battery box; and the two battery packs above the cooling plate are respectively arranged on two sides of the first bearing beam.
The first bearing beam and the cooling plate can be connected in a bolt mode, a welding mode and the like, and the strength of the cooling plate can be improved through the first bearing beam; the two battery packs above the cooling plate are respectively arranged on two sides of the first bearing beam, so that the first bearing beam is positioned between the two battery packs, the space between the two battery packs is effectively utilized, and the space utilization rate of the battery pack is improved.
The lower surface of the cooling plate is provided with a second bearing beam, the second bearing beam is connected with the cooling plate, and two ends of the second bearing beam are connected with the side wall of the battery box; and the two battery packs below the cooling plate are respectively arranged on two sides of the second bearing beam.
The cooling plate and the second bearing beam can be connected in a welding mode, a bolt mode and the like; the cooling plate can also not be connected with the second bearing beam, and the cooling plate is abutted against the second bearing beam; the second bearing beam can improve the strength of the cooling plate; the two battery packs below the cooling plate are respectively arranged on two sides of the second bearing beam, so that the second bearing beam is positioned between the two battery packs, the space between the two battery packs is effectively utilized, and the space utilization rate of the battery pack is improved.
The embodiment of the utility model provides a still provide an electric actuator, include the battery package.
The electric device comprises a battery vehicle, an electric ship or an electric aircraft.
The utility model discloses beneficial effect of embodiment:
the embodiment of the utility model provides a through exerting the gravity of two energy storage units on the cooling plate of two energy storage unit commonalities, both reduced the thickness and the weight of battery box bottom portion, reduced cooling system's space and weight again, improved the energy density of battery package.
Drawings
FIG. 1 is an exploded view of a battery pack according to an embodiment;
FIG. 2 is a schematic view of a cooling plate according to an embodiment;
FIG. 3 is an exploded view of a battery pack according to an embodiment;
FIG. 4 is a schematic view of a cooling plate according to a second embodiment;
FIG. 5 is an exploded view of a three-cell battery pack according to an embodiment;
FIG. 6 is a schematic view of a third cooling plate according to an embodiment;
fig. 7 is an exploded view of an embodiment of a four-pack battery pack.
Description of reference numerals:
1: battery box lower body, 10: battery box left box, 11: installation boss, 2: cooling plate, 3: energy storage unit, 31: battery pack, 4: first spandrel girder, 5: and a second load bearing beam.
Detailed Description
The present invention is described in detail with reference to the following specific examples, but the present invention is not limited to the following examples.
The first embodiment is as follows:
as shown in fig. 1 and 2, a battery pack comprises a battery box, a cooling plate 2 and two energy storage units 3, wherein a mounting boss 11 is arranged on the side wall of a box body 1 under the battery box, the cooling plate 2 is connected with the mounting boss 11 through a bolt, the cooling plate 2 divides the battery box into an upper holding cavity and a lower holding cavity, the two energy storage units 3 are respectively located in the two holding cavities, namely, the two energy storage units 3 are respectively arranged on the upper side and the lower side of the cooling plate 2, the energy storage units 3 on the upper side of the cooling plate are fixedly connected with the cooling plate 2 through bolts, and the cooling plate 2 supports the energy storage units 3 on the upper side of the cooling plate.
All be provided with heat conduction glue or heat conduction cotton between two energy storage unit 3 and the cooling plate 2, two energy storage unit 3 all with cooling plate 2 heat transfer contact.
The energy storage unit 3 includes at least two battery packs 31; the upper surface of the cooling plate 2 is provided with a first bearing beam 4, the first bearing beam 4 is fixedly connected with the cooling plate 2 through bolts, and two ends of the first bearing beam 4 are fixedly connected with the mounting bosses 11 on the side wall of the battery box through bolts; the two battery packs 31 above the cooling plate 2 are respectively disposed on both sides of the first bearing beam 4.
Example two:
as shown in fig. 3 and 4, a battery pack comprises a battery box, a cooling plate 2 and two energy storage units 3, wherein an installation boss 11 is arranged on the side wall of a box body 1 under the battery box, the cooling plate 2 is connected with the installation boss 11 through a bolt, the cooling plate 2 divides the battery box into an upper cavity and a lower cavity, the two energy storage units 3 are respectively located in the two cavities, namely, the two energy storage units 3 are respectively arranged on the upper side and the lower side of the cooling plate 2, the two energy storage units 3 are both fixedly connected with the cooling plate 2 through bolts, and the cooling plate 2 supports the two energy storage units 3.
And heat-conducting glue or heat-conducting cotton is arranged between the energy storage units 3 and the cooling plate 2, and the two energy storage units 3 are in heat-conducting contact with the cooling plate 2.
The energy storage unit 3 includes at least two battery packs 31; the lower surface of the cooling plate 2 is provided with a second bearing beam 5, the second bearing beam 5 is fixedly connected with the cooling plate 2 through bolts, and two ends of the second bearing beam 5 are both connected with the mounting bosses 11 on the side wall of the battery box through bolts; the two battery packs 31 below the cooling plate 2 are respectively disposed on both sides of the second bearing beam 5.
Example three:
as shown in fig. 5 and 6, a battery pack comprises a battery box, a cooling plate 2 and two energy storage units 3, wherein an installation boss 11 is arranged on the side wall of a box body 1 under the battery box, the cooling plate 2 is connected with the installation boss 11 through a bolt, the cooling plate 2 divides the battery box into an upper cavity and a lower cavity, the two energy storage units 3 are respectively located in the two cavities, namely, the two energy storage units 3 are respectively arranged on the upper side and the lower side of the cooling plate 2, the two energy storage units 3 are both fixedly connected with the cooling plate 2 through bolts, and the cooling plate 2 supports the two energy storage units 3.
And heat-conducting glue or heat-conducting cotton is arranged between the energy storage units 3 and the cooling plate 2, and the two energy storage units 3 are in heat-conducting contact with the cooling plate 2.
The energy storage unit 3 includes at least two battery packs 31; the upper surface of the cooling plate 2 is provided with a first bearing beam 4, the first bearing beam 4 is fixedly connected with the cooling plate 2 through bolts, and two ends of the first bearing beam 4 are fixedly connected with the mounting bosses 11 on the side wall of the battery box through bolts; the two battery packs 31 above the cooling plate 2 are respectively disposed on both sides of the first bearing beam 4. The lower surface of the cooling plate 2 is provided with a second bearing beam 5, and both ends of the second bearing beam 5 are connected with the mounting bosses 11 on the side wall of the battery box through bolts; the two battery packs 31 below the cooling plate 2 are respectively disposed on both sides of the second bearing beam 5.
Example four:
as shown in fig. 7, a battery pack comprises a battery box, a cooling plate 2 and two energy storage units 3, wherein an installation boss 11 is arranged on the side wall of a left box body 10 of the battery box, the cooling plate 2 is connected with the installation boss 11 through a bolt, the cooling plate 2 divides the battery box into a left accommodating cavity and a right accommodating cavity, the two energy storage units 3 are respectively located in the two accommodating cavities, namely, the two energy storage units 3 are respectively arranged on the left side and the right side of the cooling plate 2, the two energy storage units 3 are both fixedly connected with the cooling plate 2 through bolts, and the cooling plate 2 supports the two energy storage units 3.
All be provided with heat conduction glue or heat conduction cotton between energy storage unit 3 and cooling plate 2, two energy storage units 3 all with cooling plate 2 heat transfer contact.
The energy storage unit 3 includes at least two battery packs 31; a second bearing beam 5 is arranged on the right side surface of the cooling plate 2, the second bearing beam 5 is fixedly connected with the cooling plate 2 through bolts, and two ends of the second bearing beam 5 are fixedly connected with mounting bosses 11 on the side wall of the battery box through bolts; the two battery packs 31 on the right side of the cooling plate 2 are respectively disposed on both sides of the second bearing beam 5.
The above description is only for some specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the protection scope of the present invention. The protection scope of the present invention is subject to the protection scope of the claims.
Claims (14)
1. The battery pack comprises a battery box, a cooling plate and at least two energy storage units, and is characterized in that the cooling plate is connected with the side wall of the battery box, the two energy storage units are respectively arranged on two sides of the cooling plate, and the cooling plate supports at least one energy storage unit.
2. The battery pack of claim 1, wherein the cooling plate forms a support for both of the energy storage units.
3. The battery pack of claim 2, wherein both of the energy storage units are fixedly connected to the cooling plate.
4. The battery pack of claim 1, wherein at least one energy storage unit is in heat transfer contact with the cooling plate.
5. The battery pack of claim 1, wherein both energy storage units are in heat transfer contact with the cooling plate.
6. The battery pack according to claim 4 or 5, wherein a thermally conductive adhesive or a thermally conductive cotton is disposed between the energy storage unit and the cooling plate.
7. The battery pack according to claim 1, wherein the cooling plate divides the battery case into left and right accommodating chambers.
8. The battery pack according to claim 1, wherein the cooling plate divides the battery case into upper and lower receiving chambers.
9. The battery pack of claim 8, wherein the energy storage unit comprises at least two battery packs.
10. The battery pack according to claim 9, wherein the upper surface of the cooling plate is provided with a first bearing beam, the first bearing beam is connected with the cooling plate, and both ends of the first bearing beam are connected with the side walls of the battery case; and the two battery packs above the cooling plate are respectively arranged on two sides of the first bearing beam.
11. The battery pack according to claim 9, wherein the lower surface of the cooling plate is provided with a second bearing beam, both ends of which are connected to the side walls of the battery case; and the two battery packs below the cooling plate are respectively arranged on two sides of the second bearing beam.
12. The battery pack of claim 11, wherein the second load beam is coupled to the cooling plate.
13. An electrically powered device comprising a battery pack according to any one of claims 1 to 12.
14. The electrically powered device of claim 13, wherein the electrically powered device comprises an electric vehicle, an electric boat, or an electric aircraft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281531.3U CN211719646U (en) | 2020-03-10 | 2020-03-10 | Battery pack and electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020281531.3U CN211719646U (en) | 2020-03-10 | 2020-03-10 | Battery pack and electric device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211719646U true CN211719646U (en) | 2020-10-20 |
Family
ID=73396670
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020281531.3U Active CN211719646U (en) | 2020-03-10 | 2020-03-10 | Battery pack and electric device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211719646U (en) |
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2020
- 2020-03-10 CN CN202020281531.3U patent/CN211719646U/en active Active
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