CN216055005U - Liquid cooling composite sheet and battery package - Google Patents
Liquid cooling composite sheet and battery package Download PDFInfo
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- CN216055005U CN216055005U CN202122368438.3U CN202122368438U CN216055005U CN 216055005 U CN216055005 U CN 216055005U CN 202122368438 U CN202122368438 U CN 202122368438U CN 216055005 U CN216055005 U CN 216055005U
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- liquid
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- liquid cooling
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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 relates to a liquid cooling composite sheet and battery package, liquid cooling composite sheet (100) include liquid cooling plate assembly (10), cover plate (20) and energy-absorbing layer (30), the edge of cover plate (20) is fixed in liquid cooling plate assembly (10), and cover plate (20) with be formed with accommodation space between liquid cooling plate assembly (10), energy-absorbing layer (30) are located in the accommodation space and with liquid cooling plate assembly (10) with cover plate (20) are connected. Through above-mentioned technical scheme, the liquid cooling composite sheet that this disclosure provided can damping impact or impact force, effectively protects the battery package.
Description
Technical Field
The disclosure relates to the technical field of batteries, in particular to a liquid cooling composite board and a battery pack.
Background
At present, a liquid cooling heat dissipation mode is a reliable and efficient cooling mode for a power battery heat management system, and heat exchange is mainly carried out through surface contact of a liquid cooling plate and a power battery or a battery module.
In the correlation technique, the liquid cooling board generally is punching press aluminium sheet of brazing, forms through the brazing of liquid cooling board upper aluminum plate and liquid cooling board lower floor's punching press aluminium sheet, and under impact condition and vibration operating mode, the liquid cooling board receives on external power major part can transmit the battery package module, takes place the accident of catching fire easily.
SUMMERY OF THE UTILITY MODEL
The purpose of this disclosure is to provide a liquid cooling composite sheet and battery package, this liquid cooling composite sheet can damping impact or impact force, effectively protects the battery package.
In order to achieve the above object, the present disclosure provides a liquid-cooled composite plate, the liquid-cooled composite plate includes a liquid-cooled plate assembly, a cover plate and an energy absorbing layer, an edge of the cover plate is fixed to the liquid-cooled plate assembly, and an accommodating space is formed between the cover plate and the liquid-cooled plate assembly, and the energy absorbing layer is located in the accommodating space and connected to the liquid-cooled plate assembly and the cover plate.
Optionally, the energy absorbing layer is formed by aluminum foam that expands between and melts with the cover sheet and the liquid cold plate assembly.
Optionally, the energy absorbing layer is formed by a flexible polyurethane foam.
Optionally, an edge of the cover sheet is welded to the liquid cold plate assembly.
Optionally, the liquid cooling plate assembly includes a first liquid cooling layer plate and a second liquid cooling layer plate, the first liquid cooling layer plate and the second liquid cooling layer plate are fixed together, and a liquid cooling channel is formed between the first liquid cooling layer plate and the second liquid cooling layer plate.
Optionally, the first liquid-cooled plate and the second liquid-cooled plate are welded together.
Optionally, the first liquid-cooling layer plate and/or the second liquid-cooling layer plate are/is formed with a liquid-cooling groove.
On the basis of the technical scheme, the battery pack comprises a tray and the liquid cooling composite plate, and the liquid cooling composite plate is fixed on the tray.
Optionally, the liquid-cooled composite plate is fastened to the tray by fasteners.
Optionally, the edge of the liquid cooling composite plate is bonded to the tray through a sealant.
Through the technical scheme, the liquid cooling composite sheet that this disclosure provided includes liquid cooling board assembly and cover plate and be provided with the energy-absorbing layer between liquid cooling board assembly and cover plate, can improve the bulk rigidity of liquid cooling composite sheet self through this kind of design, and can improve the impact resistance and the energy-absorbing performance of liquid cooling composite sheet through the energy-absorbing layer, when receiving impact or striking, the energy-absorbing layer can damp most impact force or impact force, the collision damping rate can reach more than 80%, can protect the battery package effectively from this, improve battery package bulk rigidity.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic structural diagram of a liquid-cooled composite plate according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a battery pack provided in an embodiment of the present disclosure;
fig. 3 is another schematic structural diagram of a battery pack provided in an embodiment of the present disclosure, in which a liquid-cooled composite plate is mounted to the battery pack.
Description of the reference numerals
100-liquid cooling of the composite plate; 10-a liquid cold plate assembly; 101-a first liquid-cooled laminate; 102-a second liquid-cooled tier plate; 103-liquid cooling tank; 20-covering the laminate; 30-an energy absorbing layer; 200-a tray; 300-fastener.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, terms such as "first", "second", and the like are used for distinguishing one element from another without order or importance in case of not making a reverse explanation. Furthermore, in the following description, when referring to the figures, the same reference numbers in different figures denote the same or similar elements, unless otherwise explained. The foregoing definitions are provided to illustrate and describe the present disclosure only and should not be construed to limit the present disclosure.
According to an embodiment of the present disclosure, referring to fig. 1, there is provided a liquid-cooled composite plate 100, the liquid-cooled composite plate 100 including a liquid-cooled plate assembly 10, a cover sheet 20, and an energy absorbing layer 30, an edge of the cover sheet 20 is fixed to the liquid-cooled plate assembly 10, and a receiving space is formed between the cover sheet 20 and the liquid-cooled plate assembly 10, and the energy absorbing layer 30 is located in the receiving space and connected to the liquid-cooled plate assembly 10 and the cover sheet 20.
Through the technical scheme, the liquid cooling composite sheet 100 that this disclosure provided includes liquid cooling sheet assembly 10 and cover plate 20 and be provided with the energy-absorbing layer 30 between liquid cooling sheet assembly 10 and cover plate 20, can improve the bulk rigidity of liquid cooling composite sheet 100 self through this kind of design, and can improve the shock resistance and the energy-absorbing performance of liquid cooling composite sheet 100 through the energy-absorbing layer 30, when receiving impact or striking, energy-absorbing layer 30 can damp most impact force or impact force, the collision damping rate can reach more than 80%, can protect the battery package effectively from this, improve battery package bulk rigidity.
In the embodiments provided in the present disclosure, the energy-absorbing layer 30 may be configured in any suitable manner, such as an energy-absorbing crush structure, which may be disposed in the accommodating space formed between the cover sheet 20 and the liquid-cooled panel assembly 10, and when the liquid-cooled composite panel 100 is impacted or impacted, the cover sheet 20 transmits the impact force or impact force to the energy-absorbing crush structure, and the energy-absorbing crush structure absorbs the impact energy or impact energy generated by the impact force or impact force through the crush deformation thereof, so as to achieve the effect of damping most of the impact force or impact force.
In some embodiments, the energy absorbing layer 30 may be formed of foamed aluminum, the energy absorbing layer 30 is formed by mixing metal powder and foaming agent powder, foaming is performed between the liquid-cooled plate assembly 10 and the cover plate 20, the energy absorbing layer 30 is heated, and when heated to a sufficiently high temperature, the low melting point foaming material is foamed to form foamed aluminum, which expands between the cover plate 20 and the liquid-cooled plate assembly 10 and melts with the cover plate 20 and the liquid-cooled plate assembly 10, thereby forming the liquid-cooled composite plate 100. The foamed aluminum has the characteristic of high impact absorption capacity, so that the foamed aluminum can absorb impact energy or impact energy generated by impact force or impact force, and the effect of damping most of the impact force or impact force is achieved. The liquid cooling plate assembly 10 and the covering plate 20 may be made of aluminum 3003, and thus, when the energy absorbing layer 30 is heated, the heating temperature needs to be controlled below the melting point of the aluminum 3003 to prevent the liquid cooling plate assembly 10 and the covering plate 20 from melting.
In other embodiments, the energy absorbing layer 30 may also be formed from a flexible polyurethane foam. The Flexible Polyurethane Foam (Polyurethane Foam for short) refers to a type of Flexible Polyurethane Foam having a certain elasticity, and has a main function of buffering, and the Flexible Polyurethane Foam can buffer impact energy or impact energy generated by impact force or impact force, so that the effect of damping most of the impact force or impact force is achieved.
In the embodiments provided by the present disclosure, the cover sheet 20 may be secured to the coldplate assembly 10 in any suitable manner, for example, the cover sheet 20 may be mounted to the coldplate assembly 10 via fasteners 300 (e.g., bolts, screws, etc.) and a sealant may be applied to the edges of the cover sheet 20 to provide a seal and waterproof function. In some embodiments, the edges of the cover sheet 20 may be welded to the fluid-cooled plate assembly 10, thereby securing the cover sheet 20 to the fluid-cooled plate assembly 10 and providing a seal and waterproof feature to prevent liquid from entering the receiving space between the cover sheet 20 and the fluid-cooled plate assembly 10.
In the specific embodiment provided by the present disclosure, referring to fig. 1, the liquid-cooled plate assembly 10 may include a first liquid-cooled plate 101 and a second liquid-cooled plate 102, the first liquid-cooled plate 101 and the second liquid-cooled plate 102 are fixed together, and a liquid-cooled passage is formed between the first liquid-cooled plate 101 and the second liquid-cooled plate 102, in which a coolant circulates for heat dissipation. The cover plate 20 is fixedly connected with the second liquid cooling plate 102 in the manner described above, which is not repeated here.
In the specific embodiment provided by the present disclosure, the first liquid-cooled plate 101 and the second liquid-cooled plate 102 may be fixed together by welding.
In the embodiments provided by the present disclosure, the liquid cooling passages may be formed in any suitable manner. For example, referring to fig. 1, a liquid-cooling bath 103 is formed on the second liquid-cooling plate 102, and the first liquid-cooling plate 101 and the second liquid-cooling plate 102 are fixed together to form a liquid-cooling passage. Similarly, the first liquid-cooling layer plate 101 may have a liquid-cooling slot 103 formed thereon, and the first liquid-cooling layer plate 101 and the second liquid-cooling layer plate 102 may be fixed together to form a liquid-cooling passage. In addition, the first liquid-cooling layer plate 101 and the first liquid-cooling layer plate 101 may be formed with a liquid-cooling groove 103, and the liquid-cooling groove 103 on the first liquid-cooling layer plate 101 and the liquid-cooling groove 103 on the second liquid-cooling layer plate 102 may be disposed oppositely or in a staggered manner, which is not limited in this disclosure.
On the basis of the technical scheme, the present disclosure further provides a battery pack, as shown in fig. 2 and fig. 3, the battery pack includes a tray 200 and the above liquid-cooled composite plate 100, and the liquid-cooled composite plate 100 is fixed to the tray 200. The battery pack provided by the present disclosure also has the above features, and is not described herein again in order to avoid redundancy.
In the embodiments provided in the present disclosure, the liquid-cooled composite plate 100 may be fastened and connected to the tray 200 by the fastening members 300 (e.g., bolts, screws, etc.), and by this mounting manner, the deformation of the liquid-cooled composite plate 100 may be reduced or even avoided, and compared to the mounting manner by welding, the manner in which the liquid-cooled composite plate 100 is fastened and connected to the tray 200 by the fastening members 300 (e.g., bolts, screws, etc.), the welding deformation may be avoided.
Wherein, in order to improve the leakproofness of battery package, the edge of liquid cooling composite sheet 100 can bond in tray 200 through sealed glue to play sealed and waterproof effect, can avoid external liquid to enter into in the battery package.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. The liquid-cooled composite plate is characterized in that the liquid-cooled composite plate (100) comprises a liquid-cooled plate assembly (10), a covering plate (20) and an energy absorption layer (30), the edge of the covering plate (20) is fixed to the liquid-cooled plate assembly (10), a containing space is formed between the covering plate (20) and the liquid-cooled plate assembly (10), and the energy absorption layer (30) is located in the containing space and connected with the liquid-cooled plate assembly (10) and the covering plate (20).
2. The liquid-cooled composite panel of claim 1, wherein the energy absorbing layer (30) is formed by aluminum foam that expands between the cover sheet (20) and the liquid-cooled panel assembly (10) and melts with the cover sheet (20) and the liquid-cooled panel assembly (10).
3. The liquid-cooled composite panel of claim 1, wherein the energy absorbing layer (30) is formed from a flexible polyurethane foam.
4. The liquid cooled composite panel of claim 1, wherein the edges of the cover plies (20) are welded to the liquid cooled panel assembly (10).
5. The liquid-cooled composite panel of claim 1, wherein the liquid-cooled panel assembly (10) comprises a first liquid-cooled panel (101) and a second liquid-cooled panel (102), the first liquid-cooled panel (101) and the second liquid-cooled panel (102) being secured together, and a liquid-cooled passage being formed between the first liquid-cooled panel (101) and the second liquid-cooled panel (102).
6. The liquid-cooled composite panel of claim 5, wherein the first liquid-cooled panel (101) and the second liquid-cooled panel (102) are welded together.
7. The liquid-cooled composite panel according to claim 5, wherein the first liquid-cooled panel (101) and/or the second liquid-cooled panel (102) is formed with a liquid-cooled slot (103).
8. A battery pack comprising a tray (200), characterized in that the battery pack further comprises a liquid-cooled composite plate (100) according to any one of claims 1-7, the liquid-cooled composite plate (100) being fixed to the tray (200).
9. The battery pack of claim 8, wherein the liquid-cooled composite plate (100) is securely attached to the tray (200) by fasteners (300).
10. The battery pack of claim 9, wherein the edges of the liquid-cooled composite plate (100) are bonded to the tray (200) by a sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368438.3U CN216055005U (en) | 2021-09-27 | 2021-09-27 | Liquid cooling composite sheet and battery package |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122368438.3U CN216055005U (en) | 2021-09-27 | 2021-09-27 | Liquid cooling composite sheet and battery package |
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| Publication Number | Publication Date |
|---|---|
| CN216055005U true CN216055005U (en) | 2022-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122368438.3U Active CN216055005U (en) | 2021-09-27 | 2021-09-27 | Liquid cooling composite sheet and battery package |
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| CN (1) | CN216055005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115207550A (en) * | 2022-09-13 | 2022-10-18 | 江苏时代新能源科技有限公司 | Battery box, battery and electric equipment |
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2021
- 2021-09-27 CN CN202122368438.3U patent/CN216055005U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115207550A (en) * | 2022-09-13 | 2022-10-18 | 江苏时代新能源科技有限公司 | Battery box, battery and electric equipment |
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