CN214957122U - Soft-packaged electric core arrangement structure of inserted liquid cooling plate form - Google Patents
Soft-packaged electric core arrangement structure of inserted liquid cooling plate form Download PDFInfo
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- CN214957122U CN214957122U CN202121516447.6U CN202121516447U CN214957122U CN 214957122 U CN214957122 U CN 214957122U CN 202121516447 U CN202121516447 U CN 202121516447U CN 214957122 U CN214957122 U CN 214957122U
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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 soft-packaged electrical core structure of arranging of inserted liquid cooling plate form, a metal curb plate is installed respectively along the both ends of Y axle direction to the box is inside, installs a plurality of liquid cooling boards between two metal curb plates, electric core module of rigid coupling between the adjacent liquid cooling plate, two metal curb plate tops and along a plurality of metal clamp plates of X axle direction parallel mount, a soft-packaged electrical core structure of arranging of inserted liquid cooling plate form, can realize heat conduction in electric core both sides, entire system's heat distribution is relatively even, avoids the flat formula liquid cooling plate to box Z to the influence in space, improves the technology manufacturability of box, reduces part complexity and mould cost, for the liquid cooling plate of tiling at the bottom half surface, the utility model discloses a liquid cooling plate improves Z to the utilization ratio in space, and the liquid cooling plate cost is lower and the commonality is strong.
Description
Technical Field
The utility model belongs to power battery accessories field especially relates to a laminate polymer core structure of arranging of inserted liquid cooling board form.
Background
In the prior art, the stacking direction of the thickness of the soft package battery cell is generally the X direction or the Y direction of the whole vehicle direction, the liquid cooling is integrated in the box body or arranged on the surface of the bottom of the box body, so that the heat management arrangement of the liquid cooling system on the battery cell is realized, the liquid cooling system integrated in the box body or arranged on the surface of the bottom of the box body can only realize heat conduction from one side of the battery cell, and the heat distribution of the whole battery system is relatively uneven; the liquid cooling system integrated in the box needs to well protect the bottom of the box, and the failure of the liquid cooling plate caused by external force at the bottom is prevented. The liquid cooling system is arranged on the surface of the bottom of the box body, and the liquid cooling plate needs to be supported, so that the Z-direction partial space of the battery pack is occupied; the liquid cooling system integrated in the box body or arranged on the surface of the bottom of the box body has relatively large liquid cooling parts, the related dies, tool fixtures and the like are relatively large, and the total cost is relatively high.
Disclosure of Invention
In view of this, the utility model aims at providing a laminate polymer core structure of arranging of inserted liquid cooling board form to solve prior art heat distribution inhomogeneous relatively, the liquid cooling board occupies the battery package Z to partial space, the great problem of overall cost.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a soft package battery cell arrangement structure in an embedded liquid cooling plate form comprises a box body, a battery cell module, liquid cooling plates, metal side plates, metal pressure plates, an inlet pipe, an outlet pipe, a BDU module and a BMS module, wherein the box body is of a rectangular shell structure with an open top end, two metal side plates are respectively installed at two ends of the interior of the box body along the Y-axis direction, a plurality of liquid cooling plates are installed between the two metal side plates, a battery cell module is fixedly connected between the adjacent liquid cooling plates, a plurality of metal pressure plates are installed above the two metal side plates in parallel along the X-axis direction, an inlet of each liquid cooling plate is respectively communicated with the inlet pipe, an outlet of each liquid cooling plate is respectively communicated with the outlet pipe, an inlet end of the inlet pipe and an outlet end of the outlet pipe are distributed in a diagonal manner, the inlet pipe is positioned below the outlet pipe, the left inlet pipe and the outlet pipe are both positioned on the battery cell module, and a gap is arranged between the left inner wall of the battery cell module and the box body, and the inner wall of the gap is respectively provided with a BDU module and a BMS module.
Further, the battery cell module comprises three battery cell units, and the three battery cell units are fixedly connected with each other from top to bottom in sequence.
Further, the electric core unit comprises three electric cores and a frame, the frame is of a U-shaped plate structure, and the frame is fixedly sleeved on the tops of the three electric cores.
Further, the liquid cooling board includes liquid cooling pipe and substrate, and the substrate is the rectangular plate structure, and inside the liquid cooling pipe installed to the substrate, and the import and the export of liquid cooling pipe all were located the outside of substrate, and the import is located the export below.
Furthermore, the metal pressing plates are of rectangular plate structures, two ends of each metal pressing plate are bolted to the top end of one metal side plate respectively, and the bottom surface of each metal pressing plate is fixedly connected with the top end of the battery cell module and the top end of the liquid cooling plate respectively.
Further, it is sticky through the structure glue between the three electric core unit, and it is sticky through the structure glue between electric core and the frame, and every metal pressing plate bottom surface splices with electric core module top, liquid cooling board top respectively, and glues sticky through the structure glue.
Compared with the prior art, an inserted liquid cooling plate form's soft-packaged electrical core structure of arranging have following beneficial effect:
(1) compared with the prior art, the soft-packaged battery cell arrangement structure in the embedded liquid cooling plate form can realize heat conduction on both sides of the battery cell, the heat distribution of the whole system is relatively uniform, the influence of a flat type on the Z-direction space of a liquid cooling plate box body is avoided, the process manufacturability of the box body is improved, the complexity of parts and the cost of a die are reduced, and compared with the liquid cooling plate which is tiled on the surface of the bottom of the box body, the utility model discloses a liquid cooling plate improves the utilization rate of the Z-direction space, and the cost of the liquid cooling plate is lower and the universality is strong; the liquid cooling pipe is in an embedded structure form, and the liquid cooling plate performs good heat exchange on two ends of the battery cell module, so that relatively good performance and service life performance of the battery cell module can be realized; the series-parallel connection form is that the parallel relation is established between every liquid cooling board, and the coolant liquid import of liquid cooling pipe, exit position and import pipe, exit pipe position are the mode of advancing the height and arranging for lowly, improve the cooling effect.
(2) A soft-packaged electric core structure of arranging of inserted liquid cooling board form, the laminating of liquid cooling board has all been in the both sides of every electric core module, thereby form good heat exchange effect, electric core module and liquid cooling board integration back, carry out the clamp of Y axle direction to electric core module and liquid cooling board respectively through two metal curb plates and press from both sides tightly, make the liquid cooling board can be better with the laminating of electric core module, and can prevent vibration and impact, the metal curb plate ties with the box and connects, metal pressing plate places at electric core module and liquid cooling board top, the metal pressing plate both ends are tied with the metal curb plate and are connected fixedly, and metal pressing plate's bottom surface and electric core module, liquid cooling board top surface is sticky, thereby prevent electric core module and liquid cooling board along the impact and the vibration of Z axle direction.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is an exploded schematic view of a soft-packaged battery cell arrangement structure in the form of an embedded liquid cooling plate according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a soft-package battery cell arrangement structure in the form of an embedded liquid cooling plate according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a cell module according to an embodiment of the present invention;
fig. 4 is an exploded view of a liquid-cooled tube and a substrate according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a liquid cooled tube and a substrate according to an embodiment of the present invention;
fig. 6 is an assembly diagram of the liquid cooling plate, the inlet pipe and the outlet pipe according to the embodiment of the present invention.
Description of reference numerals:
1-a box body; 2-a cell module; 21-a cell unit; 211-electric core; 212-a frame; 3-liquid cooling plate; 31-liquid cooling tube; 32-a substrate; 33-an inlet; 34-an outlet; 4-metal side plates; 5-a metal platen; 6-an inlet pipe; 7-an outlet pipe; an 8-BDU module; 9-BMS module.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. 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, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 invention can be understood by those of ordinary skill in the art through specific situations.
The noun explains:
CNC: general CNC machining generally refers to computer numerical control precision machining, CNC machining lathes, CNC machining milling machines, CNC machining boring and milling machines and the like.
3P 9S: 3 cells are connected in parallel, and 9 cells are connected in series.
CTP: cell to pack, C: a battery pack.
The CTP is the direction of later battery pack integration (the battery cell is directly integrated into the battery pack), and the current mode is that the battery cell is firstly integrated into a module, and then the module is integrated into the battery pack.
BMS: the Battery Management System (BMS) is a set of control system for protecting the use safety of the power battery, constantly monitors the use state of the battery, relieves the inconsistency of the battery pack through necessary measures, and provides a guarantee for the use safety of the new energy vehicle.
BDU: the Battery Disconnect Unit is specially designed for the interior of the Battery pack and is also one of high-voltage distribution boxes.
CTC: the Cell to chasis is short for, and can be understood as a further extension of CTP (CTP to pack), and the core of the Cell to chasis lies in that a module and a packaging process are omitted, and a battery Cell is directly integrated on an automobile Chassis, so that higher integration degree is realized.
As shown in fig. 1 to 6, a soft-package battery cell arrangement structure in the form of an embedded liquid cooling plate includes: the battery box comprises a box body 1, a battery cell module 2, liquid cooling plates 3, metal side plates 4, metal pressing plates 5, an inlet pipe 6, an outlet pipe 7, a BDU module 8 and a BMS module 9, wherein the box body 1 is of a rectangular shell structure with an open top end, two metal side plates 4 are respectively arranged at two ends of the interior of the box body 1 along a Y-axis direction, a plurality of liquid cooling plates 3 are arranged between the two metal side plates 4, a battery cell module 2 is fixedly connected between the adjacent liquid cooling plates 3, the two metal side plates 4 (the metal side plates 4 are of a rectangular plate structure, the bottom ends of the metal side plates 4 are provided with convex blocks, the convex blocks are provided with a plurality of threaded holes for penetrating bolts, the convex blocks are fixedly connected to the bottom surface of the inner wall of the box body 1 through a plurality of bolts, the metal side plates 4 are used for tightly pressing the battery cell module 2 and the liquid cooling plates 3 from the Y-axis direction and are provided with a plurality of metal pressing plates 5 in parallel along the X-axis direction, and an inlet 33 of each liquid cooling plate 3 is respectively communicated with the inlet pipe 6, the outlet 34 of each liquid cooling plate 3 is respectively communicated to the outlet pipe 7, the inlet end of the inlet pipe 6 and the outlet end of the outlet pipe 7 are distributed diagonally, the inlet pipe 6 is positioned below the outlet pipe 7, the inlet pipe 6 and the outlet pipe 7 are positioned on the left side of the cell module 2, a gap is formed between the cell module 2 and the left inner wall of the box body 1, the BDU module 8 and the BMS module 9 are respectively installed on the inner wall of the gap, the BMS module 9 is controlled to be separately arranged in a vacant space at the rear end of the box body 1 or a reserved space between a central channel of the whole vehicle and the box body 1, so that high-voltage connection and low-voltage wiring harness connection are simple, the BDU module 8 and the BMS module 9 are both in the prior art, and are not repeated, the cells 211 are horizontally stacked and arranged, the liquid cooling plates 3 are vertically arranged, and the arrangement structure of the cells 211 in the embedded liquid cooling plates 3 is achieved; the method is suitable for the arrangement of the battery cells 211 with liquid cooling requirements and using lugs at two ends, and is more suitable for CTP or CTC schemes; the liquid cooling pipe 31 is in an embedded structure form, and the liquid cooling plate 3 performs good heat exchange on two ends of the battery cell module 2, so that relatively good performance and service life performance of the battery cell module 2 can be realized; the serial-parallel connection mode is that each liquid cooling plate 3 is in parallel connection, and the positions of a cooling liquid inlet 33 and a cooling liquid outlet 34 of the liquid cooling pipe 31 and the positions of the inlet pipe 6 and the outlet pipe 7 are arranged in a mode of low inlet and high outlet; in the arrangement structure, through serial-parallel number calculation and size adjustment of the battery cell module 2, short electric connection can be realized, and the electric connection can be wound back by itself, so that the arrangement complexity of a scheme is reduced, and the space utilization rate is improved;
as shown in fig. 3, the cell module 2 includes three cell units 21, the three cell units 21 are fixedly connected in sequence from top to bottom, the cell unit 21 includes three cells 211 and a frame 212, the frame 212 is a U-shaped plate structure, the frame 212 is fixedly connected to the top ends of the three cells 211 in a fixing manner, the three cells 211 are sequentially arranged at the bottom end of the frame 212 along the X-axis direction, and the bonding connection is realized by using an adhesive process, so as to form the cell module 2 of 3P 9S;
as shown in fig. 4-5, the liquid cooling plate 3 includes a liquid cooling tube 31 and a substrate 32, the substrate 32 is a rectangular plate structure, the liquid cooling tube 31 is installed inside the substrate 32, an inlet 33 and an outlet 34 of the liquid cooling tube 31 are both located outside the substrate 32, the inlet 33 is located below the outlet 34, the substrate 32 is usually an aluminum substrate, the liquid cooling tube 31 is usually a copper tube, and after the substrate 32 is processed by CNC (which is not described in detail for the prior art), the bent and formed liquid cooling tube is welded or bonded in the liquid cooling plate substrate;
as shown in fig. 1-2, the metal pressing plate 5 is a rectangular plate structure, two ends of each metal pressing plate 5 are respectively bolted with the top end of one metal side plate 4, the bottom surface of each metal pressing plate 5 is respectively fixedly connected with the top end of the battery cell module 2 and the top end of the liquid cooling plate 3, two sides of each battery cell module 2 are respectively laminated with the liquid cooling plate 3, thereby forming a good heat exchange effect, after the battery cell module 2 and the liquid cooling plate 3 are integrated, the battery cell module 2 and the liquid cooling plate 3 are respectively clamped in the Y-axis direction through the two metal side plates 4, so that the liquid cooling plate 3 can be better laminated with the battery cell module 2, and can prevent vibration and impact, the metal side plates 4 are bolted with the box body 1, the metal pressing plate 5 is placed on the top of the battery cell module 2 and the liquid cooling plate 3, two ends of the metal pressing plate 5 are bolted with the metal side plates 4, and the bottom surface of the metal pressing plate 5 is fixed with the top surfaces of the battery cell module 2 and the liquid cooling plate 3, thereby preventing the impact and vibration of the battery cell module 2 and the liquid cooling plate 3 along the Z-axis direction;
as shown in fig. 1 to 5, the three cell units 21 are adhered by a structural adhesive, the cells 211 and the frame 212 are adhered by a structural adhesive, and the bottom surface of each metal pressing plate 5 is respectively adhered to the top end of the cell module 2 and the top end of the liquid cooling plate 3, and is adhered by a structural adhesive.
The principle of the utility model is as follows: the size of the box body 1 in the Y-direction space is about 1400mm, for example, about 100mm wide cell units 21 are selected, twelve cell units 21 can be arranged in the Y-direction size, thus, the arrangement of the Y-direction cells is generally converted into an even number, if necessary, the width of the cell units 21 can be adjusted to realize even number arrangement, in addition, the cell units 21 arranged in the Z-direction need to be ensured to be odd number and thickness, for example, 12mm thick cell units 21 are selected, three cell units 21 are used together, the number of three parallel cell units 21 can be arranged in the Z-direction, that is, nine cells 211, the total thickness of the three cell units 21 is about 108mm, the arrangement is combined with Y, Z-direction arrangement, the high-voltage connection can be realized, the amount of copper bars can be obviously reduced compared with the prior art, the internal space of the box body 1 can be well saved, and the connection is compact by itself, after electric core unit 21 piles up, carry out utmost point ear and copper bar welding, insulation protection, process flows such as encapsulating (prior art just no longer gives unnecessary details), connect the high pressure and gather and arrange the welding with the low pressure, use electric core unit 21 and the laminating of liquid cooling plate 3 after the frock will pile, glue through the structure, metal curb plate 4, metal pressing plate 5 realizes fixed integration with the box, the staff pours into the coolant liquid into from import pipe 6, the coolant liquid passes through import 33 in proper order, liquid cooling pipe 31, export 34 back, finally flow out in outlet pipe 7.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a soft-packaged electrical core structure of arranging of inserted liquid cooling board form which characterized in that: the battery box comprises a box body (1), a battery cell module (2), liquid cooling plates (3), metal side plates (4), metal pressing plates (5), an inlet pipe (6), an outlet pipe (7), a BDU module (8) and a BMS module (9), wherein the box body (1) is of a rectangular shell structure with an opening at the top end, one metal side plate (4) is respectively installed at two ends of the inside of the box body (1) along the Y-axis direction, a plurality of liquid cooling plates (3) are installed between the two metal side plates (4), one battery cell module (2) is fixedly connected between the adjacent liquid cooling plates (3), a plurality of metal pressing plates (5) are installed above the two metal side plates (4) and in parallel along the X-axis direction, an inlet (33) of each liquid cooling plate (3) is respectively communicated with the inlet pipe (6), an outlet (34) of each liquid cooling plate (3) is respectively communicated with the outlet pipe (7), an inlet end of the inlet pipe (6) and an outlet end of the outlet pipe (7) are distributed in a diagonal direction, and import pipe (6) are located the below of outlet pipe (7), and import pipe (6) and outlet pipe (7) all are located the left of electric core module (2), and are equipped with the clearance between electric core module (2) and box (1) left side inner wall, BDU module (8), BMS module (9) are installed respectively to the clearance inner wall.
2. The flexible-package battery cell arrangement structure in the form of an embedded liquid cooling plate according to claim 1, characterized in that: the battery cell module (2) comprises three battery cell units (21), and the three battery cell units (21) are fixedly connected in sequence from top to bottom.
3. The flexible-package battery cell arrangement structure in the form of an embedded liquid cooling plate according to claim 2, characterized in that: the battery cell unit (21) comprises three battery cells (211) and a frame (212), the frame (212) is of a U-shaped plate structure, and the frame (212) is fixedly sleeved on the top ends of the three battery cells (211).
4. The flexible-package battery cell arrangement structure in the form of an embedded liquid cooling plate according to claim 1, characterized in that: liquid cooling board (3) are including liquid cooling pipe (31) and substrate (32), and substrate (32) are the rectangular plate structure, and inside liquid cooling pipe (31) installed to substrate (32), and inlet (33) and export (34) of liquid cooling pipe (31) all are located the outside of substrate (32), and import (33) are located export (34) below.
5. The flexible-package battery cell arrangement structure in the form of an embedded liquid cooling plate according to claim 1, characterized in that: the metal pressing plates (5) are of rectangular plate structures, two ends of each metal pressing plate (5) are bolted to the top ends of one metal side plate (4) respectively, and the bottom surfaces of the metal pressing plates (5) are fixedly connected to the top ends of the battery cell modules (2) and the top ends of the liquid cooling plates (3) respectively.
6. The flexible-package battery cell arrangement structure in the form of an embedded liquid cooling plate according to claim 5, characterized in that: glue through the structure between three electric core unit (21), glue through the structure between electric core (211) and frame (212), glue on every metal pressing plate (5) bottom surface splices with electric core module (2) top, liquid cooling board (3) top respectively, and glues through the structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516447.6U CN214957122U (en) | 2021-07-05 | 2021-07-05 | Soft-packaged electric core arrangement structure of inserted liquid cooling plate form |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121516447.6U CN214957122U (en) | 2021-07-05 | 2021-07-05 | Soft-packaged electric core arrangement structure of inserted liquid cooling plate form |
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| CN214957122U true CN214957122U (en) | 2021-11-30 |
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| CN202121516447.6U Active CN214957122U (en) | 2021-07-05 | 2021-07-05 | Soft-packaged electric core arrangement structure of inserted liquid cooling plate form |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744355A (en) * | 2022-04-24 | 2022-07-12 | 欣旺达电动汽车电池有限公司 | Battery pack and battery pack assembling process |
| CN115548563A (en) * | 2022-10-25 | 2022-12-30 | 楚能新能源股份有限公司 | Modular battery plug-in box structure, battery and module assembling method |
| CN117673625A (en) * | 2024-02-01 | 2024-03-08 | 江苏华友能源科技有限公司 | Battery structure of electric tricycle |
-
2021
- 2021-07-05 CN CN202121516447.6U patent/CN214957122U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744355A (en) * | 2022-04-24 | 2022-07-12 | 欣旺达电动汽车电池有限公司 | Battery pack and battery pack assembling process |
| CN115548563A (en) * | 2022-10-25 | 2022-12-30 | 楚能新能源股份有限公司 | Modular battery plug-in box structure, battery and module assembling method |
| CN117673625A (en) * | 2024-02-01 | 2024-03-08 | 江苏华友能源科技有限公司 | Battery structure of electric tricycle |
| CN117673625B (en) * | 2024-02-01 | 2024-04-05 | 江苏华友能源科技有限公司 | Battery structure of electric tricycle |
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