CN217035874U - Module lossless disassembling structure and battery pack - Google Patents
Module lossless disassembling structure and battery pack Download PDFInfo
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- CN217035874U CN217035874U CN202220377492.6U CN202220377492U CN217035874U CN 217035874 U CN217035874 U CN 217035874U CN 202220377492 U CN202220377492 U CN 202220377492U CN 217035874 U CN217035874 U CN 217035874U
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Abstract
The application relates to battery technology field, especially, relate to a structure and battery package are disassembled to module can't harm, and the module can't harm the disassembly structure and include: a battery cell module; the battery cell module is arranged on the liquid cooling plate; disassembling the functional interlayer, wherein the functional interlayer is arranged between the battery cell module and the liquid cooling plate; the disassembling functional interlayer has viscosity, and the battery cell module is bonded with the liquid cooling plate through the disassembling functional interlayer; the disassembled functional interlayer has a temperature tolerance threshold, and when the heated temperature of the disassembled functional interlayer exceeds the temperature tolerance threshold, the viscosity of the disassembled functional interlayer is reduced or disappears. The structure is disassembled to module harmless that this application embodiment provided, under the condition of the lower casing that does not damage the battery package, liquid cooling board and other structures, part, can change the problem module fast, conveniently, do not stay the glue trace, but still reutilization of the structural component who does not damage is showing and is improving repair efficiency and disassembling the utilization ratio.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a lossless module disassembling structure and a battery pack.
Background
At present, in order to improve the driving mileage of an electric vehicle, many new technical schemes are adopted in the industry to improve the energy density of a power battery PACK, for example, CTP (Cell to PACK, also called as a module-free design) schemes, blade battery schemes and the like are adopted, a plurality of battery cells are directly arranged in a box body, and the plurality of battery cells do not need to be assembled into a module at first; the requirement on the bonding strength of glue in the battery pack is higher and higher, but the increase of the strength of the glue increases the difficulty of later-stage disassembly and repair.
The battery package in the present stage is being repaired and is being disassembled under the effect of process with the help of external factor mostly, disassemble for low temperature for the most mode of disassembling that uses at present, disassemble battery package low temperature freezing back while cold, nevertheless disassemble the in-process and destroy the form and destroy for the blue membrane of module bottom mostly, and the blue membrane and the cull of destruction remain on the lower casing surface, can't clear away, lead to the unable reutilization of casing down, cause certain loss. The power of disassembling the in-process is big, disassemble the space limited, can't realize that whole module is disassembled and is changed, only can realize that single electric core is disassembled, and the electric core that has disassembled is slightly out of shape, leads to disassembling inefficiency, and the unable reutilization of spare parts such as the electric core after disassembling causes certain loss.
SUMMERY OF THE UTILITY MODEL
An object of this application is to provide a structure and battery package are disassembled to the module is harmless to solve the current battery package that exists to a certain extent among the prior art and disassembling the inefficiency of process in reprocessing, disassemble the unable reutilization's of casing technical problem down after disassembling.
The application provides a nondestructive disassembly structure of module, include: a battery cell module;
the battery cell module is arranged on the liquid cooling plate;
the disassembly function interlayer is arranged between the battery cell module and the liquid cooling plate; the disassembling functional interlayer has viscosity, and the battery cell module is bonded with the liquid cooling plate through the disassembling functional interlayer;
the disassembled functional interlayer has a temperature tolerance threshold value, and when the temperature of the disassembled functional interlayer exceeds the temperature tolerance threshold value after being heated, the viscosity of the disassembled functional interlayer is weakened or disappears.
In the above technical scheme, further, a side surface of the battery cell module is provided with a heat conduction structure adhesive, and the battery cell module is adhered to the disassembly function interlayer through the heat conduction structure adhesive.
In any of the above technical solutions, further, the disassembly function interlayer is made of a high polymer material with high temperature disassembly performance, and the temperature tolerance threshold is 85-110 ℃.
In any of the above technical solutions, further, under a temperature condition lower than the temperature tolerance threshold, the self adhesion force of the disassembled functional interlayer is not less than the adhesion force between the disassembled functional interlayer and the heat-conducting structural adhesive, and the adhesion force between the disassembled functional interlayer and the liquid-cooled plate.
In any one of the above technical solutions, further, a liquid working medium is injected into the liquid cooling plate, and the temperature of the disassembly functional interlayer can be adjusted by changing the temperature of the liquid working medium.
In any of the above technical solutions, further, the carrier film is applied to a surface of one side of the disassembly function interlayer that is used for being adhesively bonded to the heat conduction structure.
In any one of the above technical solutions, further, the disassembly function interlayer is fixedly disposed on the carrier film, and a side surface of the disassembly function interlayer not disposed with the carrier film is attached to the liquid cooling plate.
In any one of the above technical solutions, further, the liquid cooling plate is used for being provided with an insulating layer on the surface of one side bonded with the disassembling function interlayer, the carrier film can be separated from the disassembling function interlayer after being heated, and the disassembling function interlayer is attached to the insulating layer.
In any of the above technical solutions, further, the carrier film is a PET film.
The application also provides a battery pack, including any one of the above technical schemes the lossless disassembly structure of the module, therefore, having all beneficial technical effects of the lossless disassembly structure of the module, here, no longer repeated.
Compared with the prior art, the beneficial effect of this application is:
the application provides a harmless structure of disassembling of module includes: a battery cell module; the battery cell module is arranged on the liquid cooling plate; disassembling the functional interlayer, wherein the functional interlayer is arranged between the battery cell module and the liquid cooling plate; the disassembling functional interlayer has viscosity, and the battery cell module is bonded with the liquid cooling plate through the disassembling functional interlayer; the disassembled functional interlayer has a temperature tolerance threshold, and when the heated temperature of the disassembled functional interlayer exceeds the temperature tolerance threshold, the viscosity of the disassembled functional interlayer is reduced or disappears.
The structure is disassembled to module harmless that this application embodiment provided, under the condition of the lower casing that does not damage the battery package, liquid cooling board and other structures, part, can change the problem module fast, conveniently, do not stay the glue trace, but still reutilization of the structural component who does not damage is showing and is improving repair efficiency and disassembling the utilization ratio.
The application provides a battery pack, including the aforesaid the harmless structure of disassembling of module, therefore, can be fast, conveniently carry out electric core module through the harmless structure of disassembling of this module and change to can not damage parts such as casing, liquid cold drawing down, other parts of battery pack can used repeatedly.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a nondestructive disassembled module structure provided in this embodiment of the present application;
FIG. 2 is a schematic view of a nondestructive module disassembly structure according to an embodiment of the present disclosure before disassembly;
FIG. 3 is a disassembled schematic view of a nondestructive disassembled module structure according to an embodiment of the present disclosure;
fig. 4 is a schematic view of a nondestructive module disassembly structure provided in the second embodiment of the present application before disassembly;
fig. 5 is a disassembled schematic view of a nondestructive module disassembling structure according to the second embodiment of the present application;
FIG. 6 is a disassembled schematic view of another disassembled module without damage in the present application;
FIG. 7 is a further disassembled schematic view of a nondestructive module structure provided in one embodiment of the present application;
fig. 8 is a disassembled schematic view of another disassembled module lossless structure according to an embodiment of the present disclosure.
Reference numerals: 1-battery cell module, 2-heat conduction structural adhesive, 3-carrier film, 4-disassembly functional interlayer, 5-liquid cooling plate and 6-insulating layer.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments.
The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application.
All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
The lossless disassembly structure of the module and the battery pack according to the embodiment of the present application will be described with reference to fig. 1 to 8.
Example one
Referring to fig. 1 to 3 and 6 to 8, an embodiment of the present application provides a structure for nondestructive disassembly of a module, including: the battery core module 1, the liquid cooling plate 5 and the disassembling functional interlayer 4 arranged between the battery core module 1 and the liquid cooling plate 5, wherein the disassembling functional interlayer 4 has viscosity, the battery core module 1 and the liquid cooling plate 5 are bonded through the disassembling functional interlayer 4, and the disassembling functional interlayer 4 has a temperature tolerance threshold, when the disassembling functional interlayer 4 is heated to lead the temperature to be close to or higher than the temperature tolerance threshold, the viscosity of the disassembling functional interlayer 4 is greatly reduced or disappears, at the moment, the battery core module 1 can be easily separated from the liquid cooling plate 5, the nondestructive disassembly between the battery core module 1 and the liquid cooling plate 5 is realized, the battery core module 1 and the liquid cooling plate 5 are both arranged in the lower shell of the battery pack, namely, the nondestructive disassembly structure of the battery core module 1 and the lower shell of the battery pack can be realized, so that only a new battery core module 1 is needed when the battery core module 1 cannot be continuously used, the lower case of the battery pack and the liquid cooling plate 5 can be used secondarily.
It should be noted that, electric core module 1 in this application embodiment includes a plurality of monomer electric cores, and at disassembling the in-process, the electric core module 1 that constitutes by a plurality of monomer electric cores can be disassembled simultaneously, compares in the mode of disassembling one by one of traditional monomer electric core, is showing the efficiency of disassembling that has improved electric core module 1.
Further, under the state that fig. 2 shows, the lower surface of electric core module 1 is provided with heat conduction structure and glues 2, disassembles the upper surface of function interlayer 4 and glues 2 laminatings with heat conduction structure, and electric core module 1 bonds through heat conduction structure with the upper surface of disassembling function interlayer 4 glues 2, disassembles the lower surface of function interlayer 4 and the upper surface laminating of liquid cooling board 5 and bonds.
Further, the detachable functional interlayer 4 is made of a high polymer material with high temperature detachability, which is specifically shown in that when the temperature of the heat applied to the detachable functional interlayer 4 is higher than or equal to the temperature tolerance threshold of the detachable functional interlayer 4, the viscosity of the detachable functional interlayer 4 is obviously reduced, so that the detachable functional interlayer 4 can be easily separated from the surface of the member bonded with the same, the high temperature is specifically a temperature value higher than or equal to the temperature tolerance threshold of the detachable functional interlayer 4, specifically, in the present application, the temperature tolerance threshold is specifically 85-110 ℃, such a high polymer material is a material known in the prior art and can be directly purchased or prepared, the material specifically used for the detachable functional interlayer 4 is not specifically limited in the present application, many adhesives have similar characteristics, and the curing speed of the adhesive can be influenced by the temperature during coating and using, such as anaerobic sealant, The viscosity and state of epoxy resin adhesives, acrylate adhesives and the like are affected by temperature.
Further, pour into in the liquid cooling board 5, the flow has liquid working medium, under the general condition, the temperature of the liquid working medium in the liquid cooling board 5 is lower, make liquid cooling board 5 can effectively dispel the heat to electric core module 1, when needs are disassembled to electric core module 1, pour into the higher liquid working medium of temperature after the intensification into in the liquid cooling board 5, liquid cooling board 5 can heat disassembling function interlayer 4 this moment, thereby make disassembling function interlayer 4 and be heated so that disassemble, do not need extra introduction heating device to be used for heating disassembling function interlayer 4.
It should be noted that, as shown in fig. 3, fig. 6, fig. 7, and fig. 8, after the liquid cooling plate 5 is filled with the heated liquid working medium, there may be several situations when the functional partition layer 4 is disassembled: (1) as shown in fig. 3, after the disassembling functional interlayer 4 is heated, the viscosity decreases or decreases, and when external force is applied properly to disassemble the heat-conducting structural adhesive 2 and the liquid cooling plate 5 (specifically, the insulating layer 6 on the upper surface of the liquid cooling plate 5), the viscosity between the disassembling functional interlayer 4 and the heat-conducting structural adhesive 2 and the viscosity between the disassembling functional interlayer 4 and the insulating layer 6 are respectively greater than the viscosity of the disassembling functional interlayer 4 itself, so that the disassembling functional interlayer 4 itself cracks, thereby separating the battery cell module 1 from the liquid cooling plate 5; (2) as shown in fig. 6, the disassembled functional interlayer 4 is decomposed or changed into liquid state after being heated, or not only the viscosity of the disassembled functional interlayer 4 disappears, but also the bonding effect between the disassembled functional interlayer 4 and the heat-conducting structural adhesive 2 and the insulation layer 6 is lost, so that the disassembled functional interlayer 4 is separated from the heat-conducting structural adhesive 2 and the insulation layer 6; (3) as shown in fig. 7 and fig. 8, the self viscosity of the disassembled functional interlayer 4 is weakened or disappeared after being heated, and after external force is applied properly to separate the battery cell module 1 from the liquid cooling plate 5, the disassembled functional interlayer 4 remains to be adhered to the lower surface of the heat-conducting structural adhesive 2 or the insulating layer 6.
Further, one side surface of the disassembled functional interlayer 4, which is used for the heat conducting structure adhesive 2, is covered with a carrier film 3, the carrier film 3 is preferably a PET film, the incoming material mode of the disassembled functional interlayer 4 is set on the carrier film 3, the carrier film 3 is used as a carrier for manufacturing the material of the disassembled functional interlayer 4, the production and the processing are convenient, the side surface which is not covered with the carrier film 3 is hot-pressed onto the liquid cooling plate 5 after the disassembly functional interlayer 4 is heated to a certain degree to exert the viscosity, so that the disassembled functional interlayer 4 can be bonded to the liquid cooling plate 5, and the carrier film 3 and the disassembly functional interlayer 4 can be in a tearing state and a non-tearing state, which will be explained in the first embodiment and the second embodiment below respectively.
In this embodiment, as shown in fig. 2 and fig. 3, an insulating layer 6 is disposed on the upper surface of the liquid cooling plate 5, that is, the surface for bonding with the disassembling functional interlayer 4, and the insulating layer 6 is specifically an insulating paint coated on the upper surface of the liquid cooling plate 5, so that the insulating effect between the liquid cooling plate 5 and the cell module 1 is ensured on the basis of ensuring the heat dissipation effect of the liquid cooling plate 5 on the cell module 1.
Further, disassemble function interlayer 4 and after hot pressing to disassemble function interlayer 4 to liquid cooling board 5 at the hot pressing, because carrier film 3 is heated the back and is disassembled the upper surface of function interlayer 4 between lose adhesion bonding power, carrier film 3 still covers the upper surface of disassembling function interlayer 4, nevertheless with disassemble between the function interlayer 4 inviscibility, the bonding has liquid cooling board 5 of disassembling function interlayer 4 to remain carrier film 3 before using, carrier film 3 can play the guard action to disassembling function interlayer 4 and liquid cooling board 5, tear carrier film 3 before liquid cooling board 5 uses can, then make electric core module 1 and disassemble function interlayer 4 and bond through heat conduction structure glue 2.
It should be noted that, before the disassembly function interlayer 4 is heated, the self adhesive force is approximately equal to the adhesive force between the heat conduction structure adhesive 2 and the upper surface of the disassembly function interlayer 4 and the adhesive force between the lower surface of the disassembly function interlayer 4 and the insulating layer 6 of the liquid cooling plate 5, and after the disassembly function interlayer 4 is heated, the self adhesive force is affected by temperature and decreases, the self adhesive force of the disassembly function interlayer 4 is smaller than the adhesive force between the upper surface of the disassembly function interlayer 4 and the adhesive force between the lower surface of the disassembly function interlayer 4 and the insulating layer 6 of the liquid cooling plate 5, so that when the electrical core module 1 is disassembled, the disassembly function interlayer 4 is damaged and pulled up together with the electrical core module 1, the disassembly function interlayer 4 and the heat conduction structure adhesive 2 can be attached to the bottom of the electrical core module 1, and the residual adhesive mark on the upper surface of the liquid cooling plate 5 is avoided.
To sum up, the nondestructive structure of disassembling of module that this application embodiment provided can change the problem module fast, conveniently under the condition of the lower casing that does not damage the battery package, liquid cooling board 5 and other structures, part, does not leave the glue trace, but still reutilization of the structural component who does not damage is showing and is improving repair efficiency and disassembling the utilization ratio.
The embodiment of the application also provides a battery pack, which comprises the lossless disassembly structure for the module in any embodiment, so that the lossless disassembly structure for the module has all beneficial technical effects, and is not repeated herein.
Example two
Referring to fig. 1, 4 to 5, a second embodiment of the present application further provides another battery pack, including the electrical core module 1, the liquid cooling plate 5, the disassembling functional interlayer 4, the heat conducting structure glue 2, and the like in the module lossless disassembling structure according to the first embodiment, which has all the beneficial technical effects of the module lossless disassembling structure according to the first embodiment, and the same technical features and beneficial effects are not repeated.
The difference from the first embodiment is that:
in this embodiment two, carrier film 3 and the function interlayer 4 of disassembling are closely laminated, and both can not be separated, under this condition, the upper surface of liquid cooling plate 5 then need not coat the insulated paint, carrier film 3 glues 2 bonds with heat conduction structure, carrier film 3 (PET membrane promptly) has insulating performance, the insulated paint of original liquid cooling plate 5 upper surface has been replaced, the module in this embodiment can't harm the structure of disassembling has changed the position of insulating protection, and the energy supply that can't harm the disassembling has equally, the structure of liquid cooling plate 5 and the complexity of course of working have been simplified.
Similarly, in this embodiment, before the disassembling function interlayer 4 is heated, the adhesive force between the disassembling function interlayer 4 and the carrier film 3 is approximately equal to the adhesive force between the heat-conducting structure adhesive 2 and the carrier film 3, and the adhesive force between the lower surface of the disassembling function interlayer 4 and the liquid cooling plate 5, and after the disassembling function interlayer 4 is heated, the adhesive force is decreased due to the temperature influence, so that the disassembling function interlayer 4 and the heat-conducting structure adhesive 2 can be disassembled together with the battery cell module 1.
In addition, it should be noted that, similar to the first embodiment, in the second embodiment, when disassembling the electrical core module 1 and the liquid cooling plate 5, the disassembled functional interlayer 4 may be itself cracked and damaged, and may also disappear or be left on the carrier film 3 or the liquid cooling plate 5, that is, a small amount of trace of the disassembled functional interlayer 4 remains on the liquid cooling plate 5, and the residual trace can be quickly removed under the condition that the disassembled functional interlayer 4 is heated.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The utility model provides a harmless structure of disassembling of module which characterized in that includes:
a battery cell module;
the battery cell module is arranged on the liquid cooling plate;
the disassembly function interlayer is arranged between the battery cell module and the liquid cooling plate; the disassembling functional interlayer has viscosity, and the battery cell module is bonded with the liquid cooling plate through the disassembling functional interlayer;
the disassembly function interlayer has a temperature tolerance threshold, and when the temperature of the disassembly function interlayer exceeds the temperature tolerance threshold after being heated, the viscosity of the disassembly function interlayer is weakened or disappears.
2. The nondestructive disassembly structure of module of claim 1, wherein a surface of one side of the cell module is provided with a heat-conducting structural adhesive, and the cell module and the disassembly functional interlayer are bonded by the heat-conducting structural adhesive.
3. The nondestructive disassembled structure of module set of claim 2, wherein the disassembling functional interlayer is made of high molecular material with high temperature disassembling performance, and the temperature tolerance threshold is 85-110 ℃.
4. The modular nondestructive disassembled structure of claim 3, wherein under the temperature condition lower than the temperature tolerance threshold, the self adhesion force of the disassembled functional interlayer is not less than the adhesion force between the disassembled functional interlayer and the heat-conducting structural adhesive and the adhesion force between the disassembled functional interlayer and the liquid-cooled plate.
5. The nondestructive disassembly structure of module set of claim 1, wherein the liquid cooling plate is filled with a liquid working medium, and the temperature of the disassembly functional interlayer can be adjusted by changing the temperature of the liquid working medium.
6. The structure for nondestructive disassembly of modules according to claim 2, wherein the disassembly function interlayer is applied with a carrier film on the surface of one side for adhesive bonding with the heat-conducting structure.
7. The nondestructive disassembly structure of module set of claim 6, wherein the disassembly function interlayer is fixedly disposed on the carrier film, and the surface of the disassembly function interlayer not disposed with the carrier film is attached to the liquid cooling plate.
8. The nondestructive module disassembling structure of claim 6, wherein an insulating layer is disposed on a surface of the liquid-cooled plate on a side to which the disassembling functional interlayer is bonded, the carrier film can be separated from the disassembling functional interlayer after being heated, and the disassembling functional interlayer is attached to the insulating layer.
9. The structure is disassembled without damage to the module set as claimed in claim 6, wherein the carrier film is PET film.
10. A battery pack comprising the structure for nondestructively disassembling modules according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220377492.6U CN217035874U (en) | 2022-02-23 | 2022-02-23 | Module lossless disassembling structure and battery pack |
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| CN202220377492.6U CN217035874U (en) | 2022-02-23 | 2022-02-23 | Module lossless disassembling structure and battery pack |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124267A1 (en) * | 2021-12-31 | 2023-07-06 | 中国第一汽车股份有限公司 | Battery pack and disassembling method therefor |
| CN117039265A (en) * | 2023-09-07 | 2023-11-10 | 中宏科创新能源科技(浙江)有限公司 | Battery pack and method for disassembling same |
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2022
- 2022-02-23 CN CN202220377492.6U patent/CN217035874U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023124267A1 (en) * | 2021-12-31 | 2023-07-06 | 中国第一汽车股份有限公司 | Battery pack and disassembling method therefor |
| CN117039265A (en) * | 2023-09-07 | 2023-11-10 | 中宏科创新能源科技(浙江)有限公司 | Battery pack and method for disassembling same |
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