CN221102316U - Battery module without support structure - Google Patents
Battery module without support structure Download PDFInfo
- Publication number
- CN221102316U CN221102316U CN202322546934.2U CN202322546934U CN221102316U CN 221102316 U CN221102316 U CN 221102316U CN 202322546934 U CN202322546934 U CN 202322546934U CN 221102316 U CN221102316 U CN 221102316U
- Authority
- CN
- China
- Prior art keywords
- top plate
- upper top
- battery module
- distribution box
- battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 239000000741 silica gel Substances 0.000 claims description 8
- 229910002027 silica gel Inorganic materials 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000006260 foam Substances 0.000 claims description 7
- 229920001721 polyimide Polymers 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 239000000463 material Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a battery module without a bracket structure, belonging to the technical field of batteries; the battery module comprises an upper top plate, wherein a plurality of top plate fixing points are arranged on the upper top plate; the distribution box is positioned on the upper top plate and is provided with a plurality of distribution box fixing points which are matched with the top plate fixing points; the distribution box fixing point is connected with the top plate fixing point through a first fixing component. The beneficial effects of the technical scheme are as follows: the space utilization rate of the battery pack is improved, the longitudinal space is saved, a bracket is not needed, the mounting process is simplified, and the material management difficulty is reduced.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery module without a support structure.
Background
With the further development of the electric automobile market and technology, the space utilization rate of the battery pack is improved, the cost of parts is reduced, the material management difficulty is simplified, and the method becomes an important development direction of the battery technology.
Current BDUs (Battery energy Distribution Unit, battery energy distribution units) are typically fixed to a rack above a battery pack or battery module, requiring a large space to deploy the BDUs, while requiring specialized materials.
In the prior art, the BDU is fixed on the battery pack, and a space is required to be reserved in the battery pack independently, so that the space utilization rate of the battery pack is reduced; BDU is fixed on the support, in order to guarantee the intensity and the stability of support, needs to remain support fixed point, independently opens the roof beam to need independent material management in technology assembly, the installation technology is loaded down with trivial details, has increased the degree of difficulty of material management.
Disclosure of utility model
The utility model aims to provide a battery module without a bracket structure, which solves the technical problems;
a battery module without a bracket structure comprises,
The battery module comprises an upper top plate, wherein a plurality of top plate fixing points are arranged on the upper top plate;
The distribution box is positioned on the upper top plate and is provided with a plurality of distribution box fixing points which are matched with the top plate fixing points;
the distribution box fixing point is connected with the top plate fixing point through a first fixing component.
Preferably, a plurality of beam fixing points are arranged on the outer side of the upper top plate, and the beam fixing points are fixedly connected with the beams of the battery pack through second fixing assemblies.
Preferably, the first fixing component is a bolt, the diameter of the bolt is 6mm, and the torque of the bolt is 10 N.m-15 N.m.
Preferably, the second fixing component is a bolt, the diameter of the bolt is 6mm, and the torque of the bolt is 10 N.m-15 N.m.
Preferably, a silica gel foam is arranged between the upper top plate and the bottom of the distribution box.
Preferably, insulating structural adhesive is arranged between the upper top plate and the battery cell.
Preferably, the outer film of the battery core is a polyimide film.
Preferably, the upper top plate is reinforced by plate stamping, and the upper top plate is made of aluminum alloy.
The utility model has the beneficial effects that: the space utilization rate of the battery pack is improved, the longitudinal space is saved, a bracket is not needed, the mounting process is simplified, and the material management difficulty is reduced.
Drawings
Fig. 1 is a schematic structural view of a battery module without a bracket structure according to the present utility model.
In the accompanying drawings: 1. a distribution box; 2. soaking silica gel cotton; 3. a distribution box fixing point; 4. an upper top plate; 5. a battery module; 6. a roof fixing point; 7. and a beam fixing point.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.
A battery module without a support structure, as shown in fig. 1, includes,
A battery module 5, comprising an upper top plate 4, wherein a plurality of top plate fixing points 6 are arranged on the upper top plate 4;
The distribution box 1 is positioned on the upper top plate 4, and the distribution box 1 is provided with a plurality of distribution box fixing points 3 which are matched with the top plate fixing points 6;
the distribution box fixing point 3 is connected with the top plate fixing point 6 through a first fixing component.
Specifically, the utility model provides a battery module without a support structure, which is mainly applied to the technical field of batteries, wherein a fixing point is arranged on an upper top plate 4 of a battery module 5, and BDU (bottom dead center) is directly fixed, namely a distribution box 1, so that the problem of insufficient space in a battery pack is avoided, the space utilization rate of the battery pack is improved, a support of the battery module 5 is not required to be arranged, the longitudinal space is saved, and the problem of insufficient longitudinal space is solved.
In a preferred embodiment, a plurality of beam fixing points 7 are arranged on the outer side of the upper top plate 4, and the beam fixing points 7 are fixedly connected with the beams of the battery pack through a second fixing component; the second fixing component is a bolt, the diameter of the bolt is 6mm, and the torque of the bolt is 10 N.m-15 N.m.
Specifically, the plurality of beam fixing points 7 are arranged, so that the connection between the beam and the upper top plate 4 is more stable, and the stability of the whole structure is greatly improved; the plurality of beam fixing points 7 can disperse the weight of the battery pack so that the bearing capacity of the upper top plate 4 is enhanced.
Further specifically, the battery pack can be conveniently and quickly detached and installed when maintenance or replacement of the battery pack is required; the damage caused by the overlarge pressure born by a single fixed point is avoided, so that the service lives of the upper top plate 4 and the battery pack are prolonged; in the running process of the battery pack, if vibration or impact occurs, the design of the plurality of beam fixing points 7 can ensure the stable connection of the battery pack and the upper top plate 4, avoid the displacement or the falling of the battery pack and improve the use safety.
In a preferred embodiment, the first fixing element is a bolt, the diameter of the bolt is 6mm, and the torque of the bolt is 10 N.m.about.15N.m.
Specifically, the roof 4 outside is equipped with the fixed point on the module, goes up roof 4 and battery package box crossbeam and is in the same place through bolted connection, can fix on roof 4 on the module through different specification size bolts, in this embodiment, the bolt is the M6 bolt, has strengthened roof 4 structural strength, has reduced the influence of vibration to the electric core.
Further specifically, the upper top plate 4 and the cross beam of the battery pack box body are connected together through bolts, so that a stable structure can be formed between the upper top plate and the cross beam, and the overall stability and durability are improved; by setting the fixed point and the bolt connection mode, the installation and the disassembly can be conveniently and rapidly carried out, the installation time is saved, and the working efficiency is improved; if the battery pack has a problem and needs to be maintained, the upper top plate 4 and the battery pack box body cross beam can be separated by loosening bolts, so that the maintenance is convenient.
More specifically, through the connection of the fixed point and the bolt, the battery pack can be effectively prevented from being shifted due to vibration or other reasons in the use process, so that the use safety is improved; the upper top plate 4 and the battery pack box body cross beam are connected together through bolts, so that unnecessary space waste can be reduced, the volume of the battery pack is smaller, and the battery pack is more suitable for being used in a limited space; the stable structure can reduce the vibration and impact of the battery pack in the use process, thereby prolonging the service life of the battery pack.
In a preferred embodiment, a silica gel foam 2 is arranged between the upper top plate 4 and the bottom of the distribution box 1, so as to play a role in heat insulation and buffering.
Specifically, the silica gel foam 2 can effectively absorb and reduce vibration between the upper top plate 4 and the distribution box 1, and protect electrical components inside the distribution box 1 from being damaged; the silica gel foam 2 can separate dust and moisture outside and protect electrical components inside the distribution box 1 from the influence of the moisture and the dust; the silica gel foam 2 has good heat insulation performance, can prevent the influence of the high temperature inside the distribution box 1 on the upper top plate 4, and can keep the temperature inside the distribution box 1 stable.
Further specifically, the silica gel foam 2 can absorb noise generated during operation of the distribution box 1, so that influence of the noise on surrounding environment is reduced, electric elements inside the distribution box 1 are effectively protected, and service life of the distribution box is prolonged.
In a preferred embodiment, an insulating structural adhesive is provided between the upper top plate 4 and the battery cell.
Specifically, the upper top plate 4 is bonded with the battery cell through the high-strength high-insulation structural adhesive, so that the battery cell can be protected from the influence of external environment, such as humidity, temperature change and the like; the insulating structure adhesive can effectively prevent current leakage or short circuit, thereby ensuring the normal operation of the battery.
Further specifically, the insulating structural adhesive can also enhance the structural strength of the battery and prevent the battery from deformation or damage in the use process; the electric performance of the battery is improved, and the charging efficiency and the discharging stability of the battery are improved.
More specifically, the leakage or short circuit of the current is prevented, and the service life of the battery is prolonged; the battery can generate heat in the working process, and the insulating structural adhesive can effectively reduce the heat generation during the operation of the battery and improve the safety of the battery.
In a preferred embodiment, the outer film of the cell is a polyimide film.
Specifically, the novel PI film with high strength and high toughness, namely the polyimide film, is adopted as the outer film of the battery cell, so that the risk of rupture of the PI film caused by BDU vibration load pulling can be effectively reduced.
Further specifically, the high-strength characteristic of the novel PI film can effectively protect the battery cell from being damaged by external force, so that the durability and the service life of the battery cell are improved; the battery cell is not easy to damage when being impacted or extruded, and the safety of the battery cell is ensured.
More specifically, the novel PI film has good high temperature resistance, can be kept stable in a high temperature environment, and prevents the battery cell from being damaged due to overheating; and has good corrosion resistance, and can effectively prevent corrosive substances such as electrolyte and the like from corroding the battery cell.
Still more particularly, the novel PI film has excellent insulativity, prevents current leakage of the battery core, and improves the energy output efficiency of the battery; meets the environmental protection requirement of the modern battery and is beneficial to improving the market competitiveness of the battery.
In a preferred embodiment, the upper top plate 4 is reinforced by sheet stamping, and the upper top plate 4 is made of aluminum alloy.
Specifically, the upper top plate 4 is made of 6-series aluminum 6061 aluminum alloy, a plate is placed into a punching machine, and the plate is punched into a preset reinforcement pattern by high pressure of the punching machine, so that the structure is reinforced, and vibration deformation caused by load is avoided; the strength and the rigidity of the plate can be obviously improved through the reinforcement, so that the plate can resist the impact of external force; the reinforced plate is more stable when bearing pressure, and is not easy to deform; the reinforced plate has higher strength and stability, so that the service life of the reinforced plate can be correspondingly prolonged.
In summary, the application provides a battery module without a bracket structure, which is applied to the technical field of batteries, wherein a fixed point is arranged on an upper top plate 4 of a battery module 5 to directly fix BDU, so that a common bracket is omitted, bolts with different specifications and sizes are supported to connect the upper top plate 4 and a distribution box 1, the structural strength of the upper top plate 4 is enhanced, the influence of vibration on a battery cell is reduced, the space utilization rate in a battery pack box body is improved, and more battery cells are arranged conveniently; the longitudinal space is saved, and the problem of insufficient longitudinal space is solved; and the BDU bracket is not arranged, so that the cost is reduced, the installation process is simplified, the installation working hours are reduced, and the material management flow is simplified.
The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.
Claims (8)
1. A battery module without a support structure is characterized by comprising,
A battery module (5) comprising an upper top plate (4), wherein a plurality of top plate fixing points (6) are arranged on the upper top plate (4);
The distribution box (1) is positioned on the upper top plate (4), and the distribution box (1) is provided with a plurality of distribution box fixing points (3) which are matched with the top plate fixing points (6);
The distribution box fixing point (3) is connected with the top plate fixing point (6) through a first fixing component.
2. The bracket-free battery module according to claim 1, wherein a plurality of beam fixing points (7) are arranged on the outer side of the upper top plate (4), and the beam fixing points (7) are fixedly connected with a beam of the battery pack through a second fixing assembly.
3. The bracket-free battery module according to claim 1, wherein the first fixing member is a bolt having a diameter of 6mm and a torque of 10N-m to 15N-m.
4. The bracket-free battery module according to claim 2, wherein the second fixing member is a bolt having a diameter of 6mm and a torque of 10N-m to 15N-m.
5. The battery module without the support structure according to claim 2, wherein a silica gel foam (2) is arranged between the upper top plate (4) and the bottom of the distribution box (1).
6. The battery module without the support structure according to claim 5, wherein insulating structural adhesive is arranged between the upper top plate (4) and the battery cell.
7. The battery module without the support structure according to claim 6, wherein the outer film of the battery cell is a polyimide film.
8. The bracket-free battery module according to claim 6, wherein the upper top plate (4) is reinforced by sheet stamping, and the upper top plate (4) is made of an aluminum alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546934.2U CN221102316U (en) | 2023-09-19 | 2023-09-19 | Battery module without support structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322546934.2U CN221102316U (en) | 2023-09-19 | 2023-09-19 | Battery module without support structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221102316U true CN221102316U (en) | 2024-06-07 |
Family
ID=91313198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322546934.2U Active CN221102316U (en) | 2023-09-19 | 2023-09-19 | Battery module without support structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221102316U (en) |
-
2023
- 2023-09-19 CN CN202322546934.2U patent/CN221102316U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |