CN214625258U - Power battery lower box body - Google Patents
Power battery lower box body Download PDFInfo
- Publication number
- CN214625258U CN214625258U CN202120686381.9U CN202120686381U CN214625258U CN 214625258 U CN214625258 U CN 214625258U CN 202120686381 U CN202120686381 U CN 202120686381U CN 214625258 U CN214625258 U CN 214625258U
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- Prior art keywords
- mount
- mounting
- vertical
- power battery
- fixed
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- 230000003014 reinforcing effect Effects 0.000 claims description 33
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
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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
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- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a box under power battery, including casing, frame roof beam, BDU mount and BMS mount, the integrative stamping forming of casing, the inside both ends of casing all are fixed with the fixed frame roof beam, BDU mount level is fixed in the casing bottom, the BMS mount is vertical to be fixed on the BDU mount. The utility model has the advantages of, box is at fixed frame roof beam and BDU mount and BMS mount at the casing both ends under this battery for devices such as 3P4S module, BDU, fuse and BMS can arrange closely, rationally distributed, have improved the space utilization of box under the battery, and the overall dimension of box under the compression battery that can furthest promotes the energy density of battery, has reduced battery box cost.
Description
Technical Field
The utility model relates to a battery box technical field specifically is a box under power battery.
Background
With the increasing popularization of current electric vehicles, the power battery is used as a core component of the electric vehicle, the power battery is increasingly concerned by vehicle factories to improve energy density and mileage, and particularly, the requirements on the service life of the power battery pack and the light weight of the power battery pack are higher and higher when the power battery pack is used in various environments. With the development of the power battery technology, most power battery packs improve the energy density of a power battery system by improving the integration level of parts, namely, the space occupied by repeatedly connecting and fixing the parts in the power battery packs is reduced as much as possible, more available space is provided for the power battery packs, the volume energy density of the power battery packs is improved, and therefore the cruising mileage of the electric automobile is improved. However, the battery box body in the current market is large in size and weight, so that the energy density of the battery is low.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in how to improve the energy density of battery.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a box under power battery, includes casing, frame roof beam, BDU mount and BMS mount, the integrative stamping forming of casing, the inside both ends of casing all are fixed with the fixed frame roof beam, BDU mount level is fixed in the casing bottom, the vertical fixing of BMS mount is on the BDU mount.
This box is at fixed frame roof beam and BDU mount and BMS mount at casing both ends under battery for devices such as 3P4S module, BDU, fuse and BMS can arrange closely, rationally distributed, have improved the space utilization of box under the battery, and the overall dimension of box under the compression battery that can furthest promotes the energy density of battery, has reduced battery box cost.
Preferably, the frame beam comprises a horizontal mounting beam and a vertical mounting beam, and the two horizontal mounting beams are connected through the two vertical mounting beams to form an integral structure and are fixed in the shell.
Preferably, a horizontal reinforcing beam is arranged at the bottom of the horizontal mounting beam, first mounting holes penetrating through the horizontal mounting beam and the horizontal reinforcing beam are formed in the horizontal mounting beam and the horizontal reinforcing beam, and a first nut coaxial with the first mounting hole is fixed on the bottom surface of the horizontal reinforcing beam at the bottom of the first mounting hole.
Preferably, a vertical reinforcing beam is arranged at the bottom of the vertical mounting beam, second mounting holes penetrating through the vertical mounting beam and the vertical reinforcing beam are formed in the vertical mounting beam and the vertical reinforcing beam, and a second nut coaxial with the second mounting hole is fixed on the bottom surface of the vertical reinforcing beam at the bottom of the second mounting hole.
Preferably, a plurality of parallel reinforcing plates are further fixed between the vertical mounting beams.
Preferably, the top of the reinforcing plate is also provided with a heating film.
Preferably, each outer side surface of the shell is provided with at least one lifting lug.
Preferably, the edge of the shell is provided with a flange extending outwards.
Preferably, the bottom of the shell is also provided with a plurality of stamping ribs.
Compared with the prior art, the beneficial effects of the utility model are that:
this box is at fixed frame roof beam and BDU mount and BMS mount at casing both ends under battery for devices such as 3P4S module, BDU, fuse and BMS can arrange closely, rationally distributed, have improved the space utilization of box under the battery, and the overall dimension of box under the compression battery that can furthest promotes the energy density of battery, has reduced battery box cost.
Drawings
Fig. 1 is an exploded schematic view of an embodiment of the utility model;
FIG. 2 is a top view of a lower deck of an embodiment of the invention;
fig. 3 is a schematic structural view of a horizontal mounting beam according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a vertical mounting beam according to an embodiment of the present invention.
Detailed Description
In order to facilitate the understanding of the technical solutions of the present invention by those skilled in the art, the technical solutions of the present invention will now be further described with reference to the drawings attached to the specification.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless explicitly stated or limited otherwise, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, this embodiment discloses box under power battery, including casing 1, frame roof beam 2, BDU mount 3 and BMS mount 4, the integrative stamping forming of casing 1, 1 inside both ends of casing all are fixed with the fixed frame roof beam 2 that is used for 3P4S module, 3 levels of BDU mount are fixed and are used for fixing devices such as BDU and fuse in 1 bottom of casing, 4 vertical fixes being used for fixed BMS on BDU mount 3 of BMS mount.
This box is at 1 both ends fixed frame roof beam 2 and BDU mount 3 and BMS mount 4 of casing under battery for devices such as 3P4S module, BDU, fuse and BMS can arrange closely, rationally distributed, have improved the space utilization of box under the battery, and overall dimension of box under the compression battery that can furthest promotes the energy density of battery, has reduced battery box cost.
Every lateral surface of casing 1 is equipped with a lug 5 at least, the edge of casing 1 is equipped with outside turn-ups 11 that extends, 1 bottom of casing still is equipped with the punching rib that a plurality of areas differ in size for improve the intensity of casing 1.
The frame beam 2 comprises horizontal mounting beams 21, vertical mounting beams 22 and a reinforcing plate 23, and the two horizontal mounting beams 21 are welded and connected through the two vertical mounting beams 22 to form an integral structure and fixed in the shell 1; during installation, the horizontal installation beams 21 are welded and fixed inside the shell 1, then the vertical installation beams 22 are welded and fixed on the shell 1 between the horizontal installation beams 21, the strength of the shell 1 is improved, and meanwhile, welding and fixing are also carried out between the end parts of the horizontal installation beams 21 and the end parts of the vertical installation beams 22.
A plurality of parallel reinforcing plates 23 are fixed between the vertical mounting beams 22, and heating films (not shown) are arranged on the tops of the reinforcing plates.
Referring to fig. 3, a horizontal reinforcing beam 6 is fixed at the bottom of the horizontal mounting beam 21, a plurality of first mounting holes 211 penetrating the bottom of the horizontal mounting beam 21 and provided with the horizontal reinforcing beam 6 are formed in the horizontal mounting beam 6 and the horizontal reinforcing beam 21, and a first nut 7 coaxial with the first mounting hole 211 is fixed at the bottom surface of the horizontal reinforcing beam 6 at the bottom of the first mounting hole 211 and used for fixing a bolt during later-stage installation of the 3P4S module.
Referring to fig. 4, a vertical reinforcing beam 8 is fixed at the bottom of the vertical mounting beam 22, a plurality of second mounting holes 221 penetrating through the bottom of the vertical mounting beam 22 and provided with the vertical reinforcing beam 8 are formed in the vertical mounting beam 22 and the vertical reinforcing beam 8, and second nuts 9 coaxial with the second mounting holes 221 are fixed on the bottom surface of the vertical reinforcing beam 22 at the bottom of the second mounting holes 221 and used for fixing bolts during later-stage installation of the 3P4S module.
The utility model discloses an assembly process as follows: fixing the horizontal reinforcing beam 6 at the bottom of the horizontal mounting beam 21 and fixing the vertical reinforcing beam 8 at the bottom of the vertical mounting beam 22, welding and fixing the horizontal mounting beam 21 inside the shell 1, welding and fixing the vertical mounting beam 22 on the shell 1 between the horizontal mounting beams 21, welding and fixing the horizontal mounting beam 21 and the end of the vertical mounting beam 22 between each other, horizontally welding and fixing the BDU fixing frame 3 at the bottom of the shell 1 and vertically fixing the BMS fixing frame 4 on the BDU fixing frame 3.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
The above embodiments only show the embodiments of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.
Claims (9)
1. The utility model provides a box under power battery which characterized in that: including casing, frame roof beam, BDU mount and BMS mount, the integrative stamping forming of casing, the inside both ends of casing all are fixed with the frame roof beam, BDU mount level is fixed in the casing bottom, the BMS mount is vertical to be fixed on the BDU mount.
2. The power battery lower case according to claim 1, characterized in that: the frame beam comprises a horizontal mounting beam and a vertical mounting beam, and the two horizontal mounting beams are connected through the two vertical mounting beams to form an integral structure and are fixed inside the shell.
3. The power battery lower case according to claim 2, characterized in that: the bottom of the horizontal mounting beam is provided with a horizontal reinforcing beam, the horizontal mounting beam and the horizontal reinforcing beam are provided with first mounting holes penetrating through the horizontal mounting beam and the horizontal reinforcing beam, and a first nut coaxial with the first mounting hole is fixed on the bottom surface of the horizontal reinforcing beam at the bottom of the first mounting hole.
4. The power battery lower case according to claim 2, characterized in that: the bottom of the vertical mounting beam is provided with a vertical reinforcing beam, the vertical mounting beam and the vertical reinforcing beam are provided with second mounting holes penetrating through the vertical mounting beam and the vertical reinforcing beam, and a second nut coaxial with the second mounting hole is fixed on the bottom surface of the vertical reinforcing beam at the bottom of the second mounting hole.
5. The power battery lower case according to claim 2, characterized in that: a plurality of parallel reinforcing plates are further fixed between the vertical mounting beams.
6. The power battery lower case according to claim 5, wherein: and the top of the reinforcing plate is also provided with a heating film.
7. The power battery lower case according to claim 1, characterized in that: each outer side surface of the shell is at least provided with one lifting lug.
8. The power battery lower case according to claim 1, characterized in that: the edge of the shell is provided with a flanging extending outwards.
9. The power battery lower case according to claim 1, characterized in that: the bottom of the shell is also provided with a plurality of stamping ribs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120686381.9U CN214625258U (en) | 2021-04-02 | 2021-04-02 | Power battery lower box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120686381.9U CN214625258U (en) | 2021-04-02 | 2021-04-02 | Power battery lower box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214625258U true CN214625258U (en) | 2021-11-05 |
Family
ID=78399157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120686381.9U Active CN214625258U (en) | 2021-04-02 | 2021-04-02 | Power battery lower box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214625258U (en) |
-
2021
- 2021-04-02 CN CN202120686381.9U patent/CN214625258U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |