CN219892287U - Battery module cooling system - Google Patents
Battery module cooling system Download PDFInfo
- Publication number
- CN219892287U CN219892287U CN202320917752.9U CN202320917752U CN219892287U CN 219892287 U CN219892287 U CN 219892287U CN 202320917752 U CN202320917752 U CN 202320917752U CN 219892287 U CN219892287 U CN 219892287U
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- Prior art keywords
- heat
- battery module
- insulation layer
- battery
- liquid cooling
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- 238000001816 cooling Methods 0.000 title claims abstract description 66
- 239000007788 liquid Substances 0.000 claims abstract description 54
- 238000009413 insulation Methods 0.000 claims abstract description 45
- 230000017525 heat dissipation Effects 0.000 claims abstract description 24
- 239000010410 layer Substances 0.000 claims description 81
- 239000000110 cooling liquid Substances 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- 239000002826 coolant Substances 0.000 claims description 8
- 239000002356 single layer Substances 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 21
- 230000005855 radiation Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
In order to solve the problems of thermal runaway and low thermal insulation and heat conduction efficiency of a battery module in the prior art, the utility model provides a battery module heat dissipation system, which comprises a plurality of electric cores, a liquid cooling plate and a heat insulation layer, wherein the electric cores are arranged on the surface of the liquid cooling plate at intervals, the liquid cooling plate is used for dissipating heat of the electric cores, and the heat insulation layer is arranged between two adjacent electric cores. According to the battery module radiating system, when the battery is in thermal runaway, the heat of the single abnormal radiating battery core is rapidly led out of the battery module through the liquid cooling plate and the heat insulation layer arranged on the multiple sides of the battery module, and meanwhile, the abnormal battery core and the normal battery core can be thermally isolated by the heat insulation layer, so that the influence of abnormal heat on the performance of other battery cores caused by abnormal heat radiation of the battery is isolated, the influence of the abnormal heat on the whole battery system is thoroughly eliminated, the potential risk of thermal runaway is solved, and the safety of the battery is improved.
Description
Technical Field
The utility model belongs to the technical field of battery heat dissipation, and particularly relates to a battery module heat dissipation system.
Background
At present, as new energy technology is mature, electric automobiles are widely applied, in the existing battery pack design, when heat diffusion occurs in a certain battery, the normal of peripheral batteries is affected, at the moment, abnormal heat needs to be rapidly led out of the battery pack, and then the influence of the abnormal heat on other batteries and systems is eliminated; the existing heat isolation scheme can only reduce the heat transferred from the abnormal battery to the non-abnormal battery by using low heat conduction materials, but the heat released by the abnormal thermal runaway battery is always stored in the battery system, so that the potential safety hazard is large.
Disclosure of Invention
The utility model aims to solve the technical problems of thermal runaway and low heat conduction efficiency of thermal isolation of a battery module in the prior art and provides a battery module heat dissipation system.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a battery module cooling system, including a plurality of electric cores, liquid cooling board and insulating layer, a plurality of electric cores mutual interval set up in the surface of liquid cooling board, the liquid cooling board is used for a plurality of electric core's heat dissipation, adjacent two be provided with between the electric core the insulating layer.
Optionally, the insulating layer includes first insulating layer, second insulating layer and third insulating layer, first insulating layer with the third insulating layer is attached singly the both sides that the electric core extends in length direction, the second insulating layer covers the electric core top, first insulating layer, second insulating layer the third insulating layer with the liquid cooling panel encloses and closes and form the chamber of holding that is used for holding singly the electric core.
Optionally, the first heat insulation layer, the third heat insulation layer and the liquid cooling plate are perpendicular, and the second heat insulation layer is parallel to the liquid cooling plate.
Optionally, two adjacent intermediate regions of the accommodating chambers share one of the first insulating layer or the third insulating layer.
Optionally, the plurality of accommodating cavities are stacked in multiple layers or arranged in a single layer, and the plurality of electric cores and the plurality of accommodating cavities form a battery module.
Optionally, the battery module further comprises a module support, and one surface of the battery module, which faces away from the second heat insulation layer, is in contact with the module support.
Optionally, the edge positions of the battery modules and the edge positions of the module support are provided with assembly holes, and the apertures of the assembly holes correspond to each other.
Optionally, the cooling system further comprises a cooling system, wherein the cooling system comprises a temperature sensor, a management controller and a water chiller, the temperature sensor is arranged on the heat insulation layer and connected with the management controller, an inlet liquid cooling pipe and an outlet liquid cooling pipe are arranged on the water chiller, a cooling liquid inlet and a cooling liquid outlet are formed in the liquid cooling plate, the cooling liquid inlet is communicated with the inlet liquid cooling pipe, and the cooling liquid outlet is communicated with the outlet liquid cooling pipe.
Optionally, the management controller is electrically connected with the water chiller, and controls an inlet liquid cooling pipe and an outlet liquid cooling pipe of the water chiller.
Optionally, the cooling liquid inlet and the cooling liquid outlet are disposed on the same side convex region of the liquid cooling plate.
In the battery module radiating system provided by the utility model, the first heat insulation layer and the third heat insulation layer are attached to the single battery core and are enclosed with the second heat insulation layer to form the accommodating cavity of the single battery core, the accommodating cavity is connected with the liquid cooling plate, when the battery is out of control, the heat of the single abnormal radiating battery core is rapidly led out of the battery module through the liquid cooling plate and the heat insulation layers arranged on the multiple sides of the battery module, and meanwhile, the heat insulation layers can thermally isolate the abnormal battery core from the normal battery core, so that the influence of abnormal heat on the performance of other battery cores is isolated, the influence of the abnormal heat on the whole battery system is thoroughly eliminated, the thermal runaway hidden danger is solved, and the safety of the battery is improved.
Drawings
Fig. 1 is a schematic diagram of an internal structure of a heat dissipation system of a battery module according to the present utility model;
fig. 2 is a schematic view of a structure of a receiving chamber of the heat dissipation system of the battery module according to the present utility model;
fig. 3 is an assembly schematic diagram of a receiving chamber of a heat dissipation system of a battery module according to the present utility model;
fig. 4 is a schematic diagram of the overall structure of the heat dissipation system of the battery module according to the present utility model.
Reference numerals in the drawings of the specification are as follows:
1. a battery cell; 2. a liquid cooling plate; 21. a cooling liquid inlet; 22. a cooling liquid outlet; 3. a thermal insulation layer; 31. a first insulating layer; 32. a second insulating layer; 33. a third insulating layer; 4. a receiving chamber; 5. a battery module; 6. a module support; 7. a fitting hole; 8. a temperature sensor; 9. a management controller; 10. a water chiller; 101. an inlet liquid-cooled tube; 102. and (5) outputting a liquid cooling pipe.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 4, an embodiment of the utility model provides a heat dissipation system of a battery module, which comprises a plurality of electric cores 1, a liquid cooling plate 2 and a heat insulation layer 3, wherein the electric cores 1 are arranged on the surface of the liquid cooling plate 2 at intervals, the liquid cooling plate 2 is used for dissipating heat of the electric cores 1, and the heat insulation layer 3 is arranged between two adjacent electric cores 1.
When the battery is out of control, the heat of a single abnormal heat dissipation battery cell is led out of the battery module rapidly through the liquid cooling plate 2 and the heat insulation layer 3 arranged on the multiple sides of the battery module, and meanwhile, the abnormal battery cell and the normal battery cell can be thermally isolated through the heat insulation layer 3, so that the influence of abnormal heat dissipation of the battery on the performance of other battery cells is isolated.
In an embodiment, the heat insulating layer 3 includes a first heat insulating layer 31, a second heat insulating layer 32 and a third heat insulating layer 33, where the first heat insulating layer 31 and the third heat insulating layer 33 are attached to two sides of the single electric core 1 extending in the length direction, the second heat insulating layer 32 covers the top of the electric core 1, and the first heat insulating layer 31, the second heat insulating layer 32 and the third heat insulating layer 33 enclose to form a containing cavity 4 of the single electric core 1.
The first heat insulation layer 31 and the third heat insulation layer 33 are attached to the single electric core 1, so that other substances are isolated from directly contacting the electric core 1, the bonding degree of the first heat insulation layer 31 and the third heat insulation layer 33 to the electric core 1 is improved, and the heat dissipation effect is improved; the first heat insulation layer 31 and the third heat insulation layer 33 are attached to the single battery cell 1, and are enclosed with the second heat insulation layer 32 to form a single accommodating cavity 4 of the battery cell 1, the accommodating cavity 4 is connected with the liquid cooling plate 2, when the battery generates heat diffusion, the heat of the single abnormal heat dissipation battery cell can be rapidly led out of the battery module, and the influence of the abnormal heat of the battery on the performance of other battery cells is isolated.
In an embodiment, the first heat insulating layer 31 and the third heat insulating layer 33 are perpendicular to the liquid cooling plate 2, and the second heat insulating layer 32 is parallel to the liquid cooling plate 2.
In one embodiment, two adjacent intermediate areas of the receiving cavity 4 share one of the first insulating layer 31 or the third insulating layer 33.
The two adjacent middle areas of the accommodating cavities 4 share one first heat insulation layer 31 or one third heat insulation layer 33, so that the heat conduction effect is achieved, and meanwhile, the use of the heat insulation layers 3 can be reduced, and the cost is reduced.
In an embodiment, a plurality of the accommodating chambers 4 are stacked in layers or arranged in a single layer, and a plurality of the battery cells 1 and a plurality of the accommodating chambers 4 form a battery module 5.
Specifically, as shown in fig. 2 to 3, the accommodating chambers 4 are arranged in a single layer or stacked, and in a specific embodiment, the accommodating chambers 4 are stacked in a double layer for assembling the battery module.
In an embodiment, the battery module further comprises a module support 6, and a surface of the battery module 5 facing away from the second heat insulation layer 32 is in contact with the module support 6.
The module holder 6 is used for supporting the stationary battery module 5.
In an embodiment, the edge positions of the battery modules 5 and the edge positions of the module supports 6 are provided with assembly holes 7, and the apertures of the assembly holes 7 correspond to each other.
Specifically, the assembly holes 7 may be fixedly connected to the battery modules 5 and the module holders 6 by screw-fitting.
In an embodiment, the cooling system further comprises a cooling system, the cooling system comprises a temperature sensor 8, a management controller 9 and a water chiller 10, the temperature sensor 8 is arranged on the heat insulation layer 3 and is connected with the management controller 9, an inlet liquid cooling pipe 101 and an outlet liquid cooling pipe 102 are arranged on the water chiller 10, a cooling liquid inlet 21 and a cooling liquid outlet 22 are arranged on the liquid cooling plate 2, the cooling liquid inlet 21 is communicated with the inlet liquid cooling pipe 101, and the cooling liquid outlet 22 is communicated with the outlet liquid cooling pipe 102.
Specifically, the temperature sensor 8, the management controller 9 and the water chiller 10 of the cooling system are used for detecting the temperature of the battery module and conducting heat in a thermal runaway way, namely when the temperature of the battery is increased to exceed a set value when an abnormality occurs in a single battery cell 1, the management controller 9 can increase power, abnormal battery cell heat is rapidly led out through the inlet liquid cooling pipe 101 and the outlet liquid cooling pipe 102 of the water chiller 10, the temperature of the battery cell is always kept below a thermal runaway threshold value, and the thermal runaway of the battery module is controlled; the cooling liquid inlet 21 and the cooling liquid outlet 22 are formed in the liquid cooling plate 2, so that abnormal heat can be conveniently and rapidly conducted out through exchange of cooling liquid when the battery cell 1 is out of control; the coolant inlet 21 communicates with the inlet pipe 101, and serves as a passage through which coolant enters, the coolant outlet 22 communicates with the outlet pipe 102, and the circulated coolant is discharged.
In one embodiment, the management controller 9 is electrically connected to the water chiller 10 and controls the inlet liquid cooling pipe 101 and the outlet liquid cooling pipe 102 of the water chiller 10.
In an embodiment, the coolant inlet 21 and the coolant outlet 22 are provided on the same side convex region of the liquid cooling plate 2.
The cooling liquid inlet 21 and the cooling liquid outlet 22 are arranged on the same side of the liquid cooling plate 2, so that the exchange frequency of the cooling liquid is increased, and the heat conduction and radiation efficiency is improved.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The battery module heat dissipation system is characterized by comprising a plurality of electric cores, a liquid cooling plate and a heat insulation layer, wherein the electric cores are arranged on the surface of the liquid cooling plate at intervals, the liquid cooling plate is used for dissipating heat of the electric cores, and the heat insulation layer is arranged between every two adjacent electric cores.
2. The battery module heat dissipation system according to claim 1, wherein the heat insulation layer comprises a first heat insulation layer, a second heat insulation layer and a third heat insulation layer, the first heat insulation layer and the third heat insulation layer are attached to two sides of a single battery cell extending in the length direction, the second heat insulation layer covers the top of the battery cell, and the first heat insulation layer, the second heat insulation layer, the third heat insulation layer and the liquid cooling plate are enclosed to form a containing cavity for containing the single battery cell.
3. The battery module heat dissipation system according to claim 2, wherein the first heat insulating layer and the third heat insulating layer are perpendicular to the liquid cooling plate, and the second heat insulating layer is parallel to the liquid cooling plate.
4. The heat dissipation system of a battery module according to claim 2, wherein two adjacent intermediate regions of the receiving chamber share one of the first heat insulating layer or the third heat insulating layer.
5. The heat dissipation system of a battery module according to claim 2, wherein a plurality of the receiving chambers are stacked in layers or arranged in a single layer, and a plurality of the battery cells and a plurality of the receiving chambers form the battery module.
6. The battery module heat dissipation system of claim 5, further comprising a module support, wherein a side of the battery module facing away from the second insulating layer is in contact with the module support.
7. The heat dissipation system of a battery module according to claim 6, wherein the battery module has an assembly hole formed at an edge position thereof and an edge position of the module holder, and the assembly hole has a corresponding aperture.
8. The battery module heat dissipation system according to claim 1, further comprising a cooling system, wherein the cooling system comprises a temperature sensor, a management controller and a water chiller, the temperature sensor is arranged on the heat insulation layer and is connected with the management controller, an inlet liquid cooling pipe and an outlet liquid cooling pipe are arranged on the water chiller, a cooling liquid inlet and a cooling liquid outlet are arranged on the liquid cooling plate, the cooling liquid inlet is communicated with the inlet liquid cooling pipe, and the cooling liquid outlet is communicated with the outlet liquid cooling pipe.
9. The battery module heat dissipation system according to claim 8, wherein the management controller is electrically connected to the water chiller to control the inlet and outlet liquid cooling pipes of the water chiller.
10. The heat dissipation system of a battery module according to claim 8, wherein the coolant inlet and the coolant outlet are provided on the same side convex region of the liquid cooling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917752.9U CN219892287U (en) | 2023-04-21 | 2023-04-21 | Battery module cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320917752.9U CN219892287U (en) | 2023-04-21 | 2023-04-21 | Battery module cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219892287U true CN219892287U (en) | 2023-10-24 |
Family
ID=88402972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320917752.9U Active CN219892287U (en) | 2023-04-21 | 2023-04-21 | Battery module cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219892287U (en) |
-
2023
- 2023-04-21 CN CN202320917752.9U patent/CN219892287U/en active Active
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