CN210123773U - Fixing beam for battery pack and battery pack - Google Patents
Fixing beam for battery pack and battery pack Download PDFInfo
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- CN210123773U CN210123773U CN201921536276.6U CN201921536276U CN210123773U CN 210123773 U CN210123773 U CN 210123773U CN 201921536276 U CN201921536276 U CN 201921536276U CN 210123773 U CN210123773 U CN 210123773U
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- fixing
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- battery pack
- 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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Abstract
The utility model provides a fixed beam and battery package for battery package. This a fixed beam for battery package includes: a fixed beam body; the battery module fixing component extends out of the side wall of the fixing beam body and is used for fixing the battery module in the battery pack and the box bottom of the battery pack; the box cover fixing piece is arranged on the top wall of the fixed beam body and is used for fixing the fixed beam body and a box cover of the battery pack; and the box wall fixing piece is arranged on the fixed beam body and used for fixing the fixed beam body and the box wall of the battery pack. A fixed beam for battery package can fix battery module and battery package box betterly, fixed strength is high, convenient to use, and improved the structural strength and the installation stability of the battery package of using this fixed beam, improved the life and the security of the battery package of using this fixed beam.
Description
Technical Field
The utility model belongs to the technical field of the battery and specifically relates to a fixed beam and battery package for battery package is related to.
Background
At present, lithium ion batteries are widely used in video cameras, mobile phones, notebook computers, electric vehicles and other devices due to their advantages of stable voltage, high capacity, high energy density, long cycle life, environmental friendliness and the like. With the demand of people for the battery endurance of equipment such as electric vehicles and the like becoming higher and higher, the battery pack used in the equipment such as the electric vehicles and the like becomes larger and larger. As the volume of the battery pack increases, that is, the number of battery modules in the battery pack increases, the structural strength of the entire battery pack has an important influence on the use performance thereof. For example, the structural strength of the battery pack affects the service life and safety of the battery pack.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a fixed beam and battery package for battery package, this a fixed beam for battery package can fix battery module and battery package box betterly, and fixed strength is high, and the overall structure intensity of the battery package that uses this fixed beam is better, and life and safety in utilization are higher.
In an aspect of the utility model, the utility model provides a fixed beam for battery package, according to the utility model discloses an embodiment, this fixed beam for battery package includes: a fixed beam body; the battery module fixing assembly extends out of the side wall of the fixing beam body and is used for fixing a battery module in the battery pack and the bottom of the battery pack; the box cover fixing piece is arranged on the top wall of the fixing beam body and is used for fixing the fixing beam body and the box cover of the battery pack; and the box wall fixing piece is arranged on the fixed beam body and used for fixing the fixed beam body and the box wall of the battery pack.
The fixing beam for the battery pack of the utility model can be detachably connected with the box body of the battery pack and the battery module, is flexible and convenient to manufacture and use, moreover, the battery module fixing pieces extending from the side walls of the fixing beam body can better fix the battery module in the battery pack and the bottom of the battery pack, and the box cover fixing pieces arranged on the top wall of the fixing beam body, the fixing beam body and the box cover of the battery pack can be fixed, and the box wall of the fixing beam body and the box wall of the battery pack can be fixed through the box wall fixing pieces arranged on the fixing beam body, so that, this a fixed beam for battery package can be fixed with the battery module in the battery package and the box of battery package better, and the overall structure intensity and the installation stability of the battery package that uses this fixed beam have been improved to the fixed strength height, have improved its life and safety in utilization.
In some embodiments of the present invention, the fixed beam body includes the top wall, the bottom wall and the side wall, the side wall includes a first side wall and a second side wall, the top wall and the bottom wall are relatively disposed in a first direction, the first side wall and the second side wall are relatively disposed in a second direction perpendicular to the first direction, and are connected to the top wall and the bottom wall, wherein the first direction and the second direction are both perpendicular to the extending direction of the fixed beam body.
Optionally, the fixing beam includes a plurality of battery module fixing members, the plurality of battery module fixing members extend from the first side wall and the second side wall of the fixing beam body respectively, and the plurality of battery module fixing members are distributed at intervals along the extending direction of the fixing beam body.
Optionally, the battery module fixing member includes: the battery module fixing body extends out of the side wall of the fixing beam body and is perpendicular to the side wall; the battery module fixing hole penetrates through the battery module fixing body; the battery module fixing bolt is matched with the battery module fixing hole, and is used for fixing the fixing beam body and the battery module in the battery pack and fixing the battery module and the box bottom of the battery pack.
Optionally, the fixed beam further comprises: a plurality of case lid mounting, a plurality of the case lid mounting is along the extending direction interval arrangement of fixed beam body, the case lid mounting includes: a case cover fastener body extending upwardly from the top wall of the fixed beam body; the box cover fixing hole is formed in the box cover fixing body; and the box cover fixing bolt is matched with the box cover fixing hole, and is used for fixing the fixing beam body and the box cover of the battery pack.
Optionally, the tank wall fastener comprises: the first box wall fixing holes are formed in two ends of the fixing beam body along the extending direction of the fixing beam body and penetrate through the fixing beam body in the first direction; the box wall fixing body comprises a first surface and a second surface which are perpendicular to each other, and the first surface is used for being fixedly connected with the box wall of the battery pack; a second tank wall fastening hole extending through the second face; and the box wall fixing bolts are matched with the first box wall fixing holes and the second box wall fixing holes and are used for fixing the fixing beam body and the box wall of the battery pack.
In some embodiments of the present invention, the fixing beam body is formed by stamping, welding or extruding a plate.
In another aspect of the utility model, the utility model provides a battery pack, according to the utility model discloses an embodiment, this battery pack includes: the box body comprises a box cover, a box bottom and box walls, the box walls comprise a first box wall, a second box wall, a third box wall and a fourth box wall, the box cover and the box bottom are oppositely arranged in a first direction, the first box wall and the second box wall are oppositely arranged in a second direction perpendicular to the first direction and are connected with the box bottom, and the third box wall and the fourth box wall are oppositely arranged in a third direction perpendicular to the first direction and the second direction and are connected with the box bottom, the first box wall and the second box wall; the battery module is arranged inside the box body; and the fixed beam is detachably connected with the box body and the battery module.
The utility model discloses an in some embodiments, the battery package includes along second direction interval arrangement's multirow battery module, every row the battery module includes a plurality of edges the third direction is arranged side by side the battery module, the battery package includes a plurality of edges second direction interval arrangement the fixed beam, the extending direction of fixed beam with the third direction is the same, the fixed beam is in orthographic projection on the bottom of the case is located adjacent two rows the battery module is in between the orthographic projection on the bottom of the case, every the fixed beam is with adjacent two rows the battery module with the bottom of the case is fixed.
In some embodiments of the present invention, the battery pack further comprises: a heat insulation unit covering the battery module; the cooling unit is arranged on one side, close to the box bottom, of the battery module, and the cooling unit is used for cooling the battery module.
Drawings
Fig. 1 is a schematic partial structural view of a fixing beam for a battery pack according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a use state of a fixing beam for a battery pack according to an embodiment of the present invention;
fig. 3 is a schematic partial structural view of a use state of a fixing beam for a battery pack according to an embodiment of the present invention;
fig. 4 is a schematic view of a disassembled structure of a battery pack according to an embodiment of the present invention; and
fig. 5 is a schematic structural diagram of a battery pack according to an embodiment of the present invention.
Reference numerals:
the battery pack comprises a battery pack 100, a fixing beam 10, a fixing beam body 11, a battery module fixing piece 12, a battery module fixing body 121, a battery module fixing hole 122, a battery module fixing bolt 123, a box cover fixing piece 13, a box cover fixing body 131, a box cover fixing hole 132, a box cover fixing bolt 133, a box wall fixing piece 14, a first box wall fixing hole 141, a box wall fixing body 142, a second box wall fixing hole 143 and a box wall fixing bolt 144; a battery module 20; a box body 30, a box cover 31, a box bottom 32 and a box wall 33; a heat insulating unit 40; a cooling unit 50.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "side," "extending," "top," "bottom," "opposing," "spaced," "adjacent," "through," "upper," "lower," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or two or more of the features.
In one aspect of the present invention, the utility model provides a fixed beam for battery pack. According to an embodiment of the present invention, referring to fig. 1 to 4, the fixing beam 10 for a battery pack may include: the battery pack fixing structure comprises a fixed beam body 11, a battery module fixing part 12, a box cover fixing part 13 and a box wall fixing part 14, wherein the battery module fixing part 12 can extend out of the side wall of the fixed beam body 11, the battery module fixing part 12 can fix a battery module 20 in a battery pack 100 and a box bottom 32 of the battery pack 100, the box cover fixing part 13 can be arranged on the top wall of the fixed beam body 11, the box cover fixing part 13 can fix the fixed beam body 11 and a box cover 31 of the battery pack 100, the box wall fixing part 14 is arranged on the fixed beam body 11, and the box wall fixing part 14 can fix the fixed beam body 11 and a box wall 33 of the battery pack 100.
According to the utility model discloses fixed beam 10, can dismantle the connection with the box (for example case lid 31, the bottom of the case 32 and tank wall 33) and the battery module 20 of battery package 100, it is comparatively nimble convenient to make and use, and, through the battery module mounting 12 that extends from the lateral wall of fixed beam body 11, can fix battery module 20 in the battery package 100 and the bottom of the case 32 of battery package 100, through the case lid mounting 13 that sets up on the roof of fixed beam body 11, can fix fixed beam body 11 and the case lid 31 of battery package 100, and through the tank wall mounting 14 that sets up on the fixed beam body, can fix fixed beam body 11 and the tank wall 33 of battery package 100. Therefore, the fixing beam 10 can fix the battery module 20 in the battery pack 100 and the box body 30 of the battery pack 100 well, the fixing strength is high, the overall structural strength of the formed battery pack 100 is good, the installation stability is high, and the service life and the use safety are high.
In some embodiments of the present invention, referring to fig. 1, the fixed beam body 11 may include a top wall, a bottom wall, and a side wall (not shown), and the side wall may include a first side wall and a second side wall, wherein the top wall and the bottom wall are oppositely disposed in a first direction (not shown, and the first direction may be an up-down direction), the first side wall and the second side wall are oppositely disposed in a second direction perpendicular to the first direction, and are connected to the top wall and the bottom wall, and the first direction and the second direction are perpendicular to an extending direction of the fixed beam body 11. Therefore, the fixing beam 10 is simple in structure and good in structural strength.
Specifically, the fixing beam body 11 may be formed by stamping and welding sheet metal, or by extrusion molding of sheet material, for example, an aluminum profile may be stamped and welded, or an aluminum profile may be extruded to form the fixing beam body 11. Therefore, the fixing beam body 11 can be manufactured by a simple process, the manufactured fixing beam body 11 is of a hollow structure, the weight is light, the strength is good, and when the fixing beam 10 is used in the battery pack 100, the weight of the battery pack 100 is not obviously increased, and the strength of the battery pack 100 can be well improved.
Specifically, referring to fig. 1, the fixing beam 10 may include a plurality of battery module fixing members 12, the plurality of battery module fixing members 12 respectively extend from the first side wall and the second side wall of the fixing beam body 11, and the plurality of battery module fixing members 12 are spaced apart along the extending direction of the fixing beam body 12. Therefore, the battery module fixing pieces 12 can respectively fix the battery modules 20 and the box bottom 32 of the battery pack 100, and the battery modules 20 can be connected together (i.e. tightly held together) through the fixing beam body 11 to form a unified whole, so that the strength of the whole structure of the battery pack 100 is further improved, the mode and the vibration fatigue resistance of the whole battery pack 100 can be greatly improved, and the service life of the battery is prolonged.
Specifically, referring to fig. 2, the plurality of battery module fixing members 12 may be disposed in one-to-one correspondence with the plurality of battery modules 20, and the number, the spacing distance, the distribution manner, and the like of the plurality of battery module fixing members 12 may be designed according to the number, the size, the distribution condition, and the like of the battery modules 20 in the battery pack 100, so that the fixing beam 10 has a wide application range, may be applied to battery packs 100 of different sizes and sizes, and may better improve the overall strength of the battery pack 100.
Specifically, the battery module holder 12 may be detachably coupled with the battery module 20, for example, the battery module holder 12 may be coupled with the battery module 20 by bolts. Specifically, referring to fig. 3, the battery module holder 12 may include: battery module fixed body 121, battery module fixed orifices 122 and battery module fixing bolt 123, wherein, battery module fixed body 121 extends from the lateral wall of fixed beam body 11, and perpendicular with the lateral wall of fixed beam body 11, battery module fixed orifices 122 runs through battery module fixed body 121 in the first direction, battery module fixing bolt 123 and battery module fixed orifices 122 mutually support, be arranged in with fixed beam body 11 and battery module 20 among the battery package 100 fixed, and with battery module 20 and the bottom of the case 32 of battery package 100 fixed. Therefore, the battery module fixing part 12 can better fix the battery module 20 with the fixing beam 10 and the box bottom 32 of the battery pack 100, further improve the strength of the overall structure of the battery pack 100, and the battery module fixing part 12 is detachably connected with the battery module 20, so that the battery module fixing part is convenient to mount and dismount.
Specifically, referring to fig. 1, the fixed beam 10 may further include a plurality of cover fixing pieces 13, and the plurality of cover fixing pieces 13 may be arranged at intervals along the extending direction of the fixed beam body 11. From this, through a plurality of case lid mounting 13 of interval distribution, can be better with fixed beam body 11 and case lid 31 fixed, and then can fix a plurality of battery module 20 in battery package 100 and case lid 31, improved the holistic structural strength of battery package 100 and compactedness, and, this case lid mounting 13 can support case lid 31 better, can avoid case lid 31 to receive the vibration deformation, and can avoid case lid 31 vibration to produce the noise, further improve the intensity and the performance of battery package 100 overall structure. Further, the battery pack 100 and the electric equipment (for example, an electric vehicle) can be mounted by the lid fastener 13, so that the stability of mounting the battery pack 100 and the electric equipment can be improved, and the safety of the battery pack 100 and the electric equipment can be improved.
Specifically, the cover fixing member 13 may be detachably connected to the cover 31, and for example, the cover fixing member 13 may be connected to the cover 31 by bolts. More specifically, referring to fig. 1 and 3, the cover fixing member 13 may include: the cover fixing body 131, the cover fixing hole 132, and the cover fixing bolt 133, wherein the cover fixing body 131 extends upward from the top wall of the fixing beam body 11, the cover fixing hole 131 is disposed inside the cover fixing body 131, and the cover fixing bolt 133 and the cover fixing hole 131 can be engaged with each other to fix the fixing beam body 11 and the cover 31 of the battery pack 100. Therefore, the case cover fixing piece 13 can better fix the fixing beam 10 and the case cover 31 of the battery pack 100, the strength of the overall structure of the battery pack 100 is further improved, and the case cover fixing piece 13 is detachably connected with the fixing beam 10, so that the installation and the disassembly are convenient.
Specifically, the wall fixing pieces 14 are used for fixing with the wall 33 of the battery pack 100, specifically, the fixing beam 10 may include two wall fixing pieces 14, and the two wall fixing pieces 14 may be provided at both ends of the fixing beam body 11 in the extending direction thereof, whereby the fixing beam body 11 and the two oppositely-provided walls 33 of the battery pack 100 may be fixed. In particular, with reference to FIG. 3, the tank wall fastener 14 may include: first tank wall fixed orifices 141, tank wall fixed body 142, second tank wall fixed orifices 143 are with tank wall fixing bolt 144, wherein, first tank wall fixed orifices 141 set up the both ends along the extending direction of fixed beam body 11 at fixed beam body 11, and run through fixed beam body 11 in the first direction, tank wall fixed body 142 can include mutually perpendicular's first face and second face, first face can with the tank wall 33 fixed connection of battery package 100, for example, first face can be welded on tank wall 33, second tank wall fixed orifices 143 run through the second face, tank wall fixing bolt 144 and first tank wall fixed orifices 141, second tank wall fixed orifices 143 mutually support, it is fixed with the tank wall 33 of fixed beam body 11 and battery package 100. Therefore, the wall fixing piece 14 can fix the fixing beam 10 and the wall 33 of the battery pack 100 well, and further, the fixing beam 10 can firmly fix the plurality of battery modules 20 and the box body of the battery pack 100, so that the overall structural strength of the battery pack is further improved, the mode and the anti-vibration fatigue capability of the whole battery pack 100 can be greatly improved, and the service life of the battery is prolonged.
To sum up, according to the utility model discloses the fixed beam 10, can be better with the box (case lid, the bottom of the case and the tank wall) of a plurality of battery module 20 and battery package 100 fixed, and can hug a plurality of battery module 20 tightly for a firm whole, the overall structure intensity of the battery package 100 that utilizes this fixed beam 10 is better, can promote whole battery package 100 mode and anti-vibration fatigue ability, improve battery life, and be convenient for the installation of this battery package 100 and electric equipment (for example electric automobile etc.), can also avoid this battery package 100 to take place to warp and produce noise etc. because of vehicle vibration etc. further improve the performance of the battery package 100 that uses this fixed beam 10.
In another aspect of the present invention, the utility model provides a battery pack. According to the utility model discloses an embodiment, this battery package can be for the preceding battery package that has preceding the fixed beam, from this, this battery package has preceding have preceding the battery package of fixed beam all characteristics and advantages that have, no longer describe here. According to an embodiment of the present invention, referring to fig. 4 and 5, the battery pack 100 may include: the box 30, battery module 20 and the aforesaid fixed beam 10, wherein, the box 30 includes the case lid 31, the bottom of the case 32 and box wall 33, box wall 33 includes first box wall, the second box wall, the third box wall and the fourth box wall, case lid 31 and the bottom of the case 32 set up relatively in the first direction, first box wall and the relative setting of second direction perpendicular with the first direction of second box wall edge, and link to each other with the bottom of the case 32, the third box wall and the fourth box wall set up relatively along the third direction (be along the extending direction of fixed beam body 11) perpendicular with first direction and second direction all, and link to each other with the bottom of the case 32 and first box wall, second box wall, battery module 20 sets up inside the box 30, fixed beam 10 and box 30 and battery module 20 can dismantle the connection. Therefore, in the battery pack 100, the fixing beam 10 can fix the battery module 20 and the case 30 of the battery pack 100 well, and is easy to install and disassemble, the overall structural strength of the battery pack 100 is good, the mode of the battery pack 100 is good, the vibration resistance is good, the battery life is long, and the safety performance is high.
In some embodiments of the present invention, referring to fig. 4, the battery pack 100 may include a plurality of rows of battery modules 20 arranged at intervals along the second direction, each row of battery modules 20 may include a plurality of battery modules 20 arranged side by side along the third direction (i.e. along the extending direction of the fixing beam body 11), and the battery pack 100 may include a plurality of fixing beams 10 arranged at intervals along the second direction, the extending direction of the fixing beams 10 may be the same as the third direction, the orthographic projection of the fixing beams 10 on the bottom 32 of the case may be located between the orthographic projections of the two adjacent rows of battery modules 20 on the bottom 32 of the case, and each fixing beam 10 may fix the two adjacent rows of battery modules 20 and the bottom 32 of the case. Thus, by providing the plurality of fixing beams 10, all the battery modules 20 and the case in the battery pack 100 can be fixed, and the overall structural strength and usability of the battery pack 100 are further improved.
In some embodiments of the present invention, referring to fig. 4, the battery pack 100 may further include: the heat insulation unit 40 and the cooling unit 50, wherein the heat insulation unit 40 may cover the battery modules 20, for example, the heat insulation unit 40 may cover the upper surfaces of all the battery modules 20 and the side walls of the battery modules 20 close to the box wall 33, so that when a short circuit and a fire occur in an electric core or the battery modules 20, the heat insulation unit 40 may prevent rapid spread of flame and heat, may effectively prevent thermal diffusion, effectively prevent thermal runaway, and improve the safety performance of the battery pack 100. Specifically, the heat insulation unit 40 may be formed of a heat insulation material or a fireproof material. Specifically, the cooling unit 50 may be disposed on a side of the battery module 20 close to the bottom 32, for example, the cooling unit 50 may be a liquid cooling system, and the cooling unit 50 may cool the battery module 20. From this, can improve thermal-insulated and cooling performance of battery package 100, can avoid electric core or module to take place the short circuit when catching fire, flame and thermal spreading rapidly, can effectively prevent the thermal diffusion, effectively prevent the thermal runaway, the security performance of battery package 100 is higher.
In the description herein, references to the description of the term "some embodiments" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A fixing beam for a battery pack, comprising:
a fixed beam body;
the battery module fixing piece extends out of the side wall of the fixing beam body and is used for fixing the battery module in the battery pack and the bottom of the battery pack;
the box cover fixing piece is arranged on the top wall of the fixing beam body and is used for fixing the fixing beam body and the box cover of the battery pack; and
and the box wall fixing pieces are arranged on the fixed beam body and used for fixing the fixed beam body and the box wall of the battery pack.
2. The fixing beam for a battery pack according to claim 1, wherein the fixing beam body includes the top wall, the bottom wall, and the side walls include a first side wall and a second side wall, the top wall and the bottom wall being disposed opposite to each other in a first direction, the first side wall and the second side wall being disposed opposite to each other in a second direction perpendicular to the first direction, and being connected to the top wall and the bottom wall, wherein the first direction and the second direction are perpendicular to an extending direction of the fixing beam body.
3. The fixing beam for a battery pack according to claim 2, wherein the fixing beam includes a plurality of the battery module fixing members, the plurality of the battery module fixing members respectively extend from the first side wall and the second side wall of the fixing beam body, and the plurality of the battery module fixing members are spaced apart along the extending direction of the fixing beam body.
4. The fixing beam for a battery pack according to claim 2, wherein the battery module fixing member comprises:
the battery module fixing body extends out of the side wall of the fixing beam body and is perpendicular to the side wall;
the battery module fixing hole penetrates through the battery module fixing body;
the battery module fixing bolt is matched with the battery module fixing hole, and is used for fixing the fixing beam body and the battery module in the battery pack and fixing the battery module and the box bottom of the battery pack.
5. The fixing beam for a battery pack according to claim 2, further comprising:
a plurality of case lid mounting, a plurality of the case lid mounting is along the extending direction interval arrangement of fixed beam body, the case lid mounting includes:
a case cover fastener body extending upwardly from the top wall of the fixed beam body;
the box cover fixing hole is formed in the box cover fixing body;
and the box cover fixing bolt is matched with the box cover fixing hole, and is used for fixing the fixing beam body and the box cover of the battery pack.
6. The fixing beam for battery pack according to claim 2, wherein the box wall fixing member includes:
the first box wall fixing holes are formed in two ends of the fixing beam body along the extending direction of the fixing beam body and penetrate through the fixing beam body in the first direction;
the box wall fixing body comprises a first surface and a second surface which are perpendicular to each other, and the first surface is used for being fixedly connected with the box wall of the battery pack;
a second tank wall fastening hole extending through the second face;
and the box wall fixing bolts are matched with the first box wall fixing holes and the second box wall fixing holes and are used for fixing the fixing beam body and the box wall of the battery pack.
7. The fixing beam for a battery pack according to claim 1, wherein the fixing beam body is formed by stamping and welding a sheet metal or is formed by extrusion molding of a plate material.
8. A battery pack, comprising:
the box body comprises a box cover, a box bottom and box walls, the box walls comprise a first box wall, a second box wall, a third box wall and a fourth box wall, the box cover and the box bottom are oppositely arranged in a first direction, the first box wall and the second box wall are oppositely arranged in a second direction perpendicular to the first direction and are connected with the box bottom, and the third box wall and the fourth box wall are oppositely arranged in a third direction perpendicular to the first direction and the second direction and are connected with the box bottom, the first box wall and the second box wall;
the battery module is arranged inside the box body; and
the fixing beam of any one of claims 1 to 7, which is detachably coupled with the case and the battery module.
9. The battery pack according to claim 8, wherein the battery pack includes a plurality of rows of the battery modules arranged at intervals in the second direction, each row of the battery modules including a plurality of the battery modules arranged side by side in the third direction,
the battery pack comprises a plurality of fixing beams which are arranged at intervals along the second direction, the extending direction of the fixing beams is the same as the third direction, the orthographic projections of the fixing beams on the box bottom are positioned between the orthographic projections of two adjacent rows of battery modules on the box bottom, and each fixing beam fixes the two adjacent rows of battery modules and the box bottom.
10. The battery pack of claim 8, further comprising:
a heat insulation unit covering the battery module;
the cooling unit is arranged on one side, close to the box bottom, of the battery module, and the cooling unit is used for cooling the battery module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536276.6U CN210123773U (en) | 2019-09-16 | 2019-09-16 | Fixing beam for battery pack and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921536276.6U CN210123773U (en) | 2019-09-16 | 2019-09-16 | Fixing beam for battery pack and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210123773U true CN210123773U (en) | 2020-03-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921536276.6U Expired - Fee Related CN210123773U (en) | 2019-09-16 | 2019-09-16 | Fixing beam for battery pack and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210123773U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459717A (en) * | 2019-09-16 | 2019-11-15 | 昆山宝创新能源科技有限公司 | Fixed beam and battery pack for battery pack |
| CN114759301A (en) * | 2022-05-26 | 2022-07-15 | 东风(武汉)实业有限公司 | Intensive low-cost flexible battery pack box body connecting method |
-
2019
- 2019-09-16 CN CN201921536276.6U patent/CN210123773U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110459717A (en) * | 2019-09-16 | 2019-11-15 | 昆山宝创新能源科技有限公司 | Fixed beam and battery pack for battery pack |
| CN114759301A (en) * | 2022-05-26 | 2022-07-15 | 东风(武汉)实业有限公司 | Intensive low-cost flexible battery pack box body connecting method |
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