CN218788424U - Liquid cooling energy storage battery package heat abstractor - Google Patents
Liquid cooling energy storage battery package heat abstractor Download PDFInfo
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- CN218788424U CN218788424U CN202223392128.6U CN202223392128U CN218788424U CN 218788424 U CN218788424 U CN 218788424U CN 202223392128 U CN202223392128 U CN 202223392128U CN 218788424 U CN218788424 U CN 218788424U
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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 liquid cooling energy storage battery pack heat dissipation device, belonging to the technical field of chemical battery energy storage, comprising a battery pack, a refrigeration pipeline and a liquid cooling plate; the refrigeration pipeline comprises a liquid supply pipeline and a liquid return pipeline, and the liquid supply pipeline and the liquid return pipeline are positioned in the battery pack and are connected with a cold source; the liquid cooling plate is attached to the side wall of the energy storage battery core, and a plurality of longitudinal flow channels which are arranged at intervals are formed in the liquid cooling plate; the lower end of the liquid cooling plate is provided with a liquid supply manifold which is communicated with the longitudinal flow passage and the liquid supply pipeline; the upper end of the liquid cooling plate is provided with a liquid outlet manifold which is communicated with the longitudinal flow passage and the liquid return pipeline. The utility model provides a liquid cooling energy storage battery package heat abstractor guarantees the quick heat transfer between energy storage electricity core and the liquid cooling board, has reduced the temperature difference of energy storage electricity core on the height gradient simultaneously, has guaranteed that the battery bulk temperature is even, has improved battery life; the liquid cooling plate adopts a lower supply and upper return mode, so that gas in the pipeline can be rapidly discharged, and the system is ensured to operate stably.
Description
Technical Field
The utility model belongs to the technical field of the chemical battery energy storage, more specifically says, relates to a liquid cooling energy storage battery package heat abstractor.
Background
A plurality of energy storage electric cores are arranged in the battery pack. At present, the chemical battery energy storage field is generally divided into air cooling heat dissipation and liquid cooling heat dissipation, wherein the air cooling heat dissipation easily causes the temperature inside the battery pack to be uneven, and influences the service life of the battery pack; the liquid cooling heat dissipation is generally that a liquid cooling plate is laid at the bottom of the energy storage battery cell, and a refrigerant is introduced into the liquid cooling plate to achieve the purpose of cooling the energy storage battery cell above the liquid cooling plate, but the heat dissipation mode easily causes the temperature of the upper part of the battery pack to be too high, thereby affecting the safe, stable and long-term operation of the battery pack.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a liquid cooling energy storage battery package heat abstractor aims at realizing that the battery bulk temperature is even, improves battery life's effect.
In order to achieve the purpose, the utility model adopts the technical proposal that: the utility model provides a liquid cooling energy storage battery package heat abstractor, includes:
the battery pack is internally provided with an energy storage battery cell;
the refrigeration pipeline comprises a liquid supply pipeline and a liquid return pipeline, and the liquid supply pipeline and the liquid return pipeline are positioned in the battery pack and connected with a cold source;
the liquid cooling plate is attached to the side wall of the energy storage battery cell, and a plurality of longitudinal flow channels are arranged at intervals in the liquid cooling plate; the lower end of the liquid cooling plate is provided with a liquid supply header pipe, and the liquid supply header pipe is communicated with the longitudinal flow channel and the liquid supply pipeline; and the upper end of the liquid cooling plate is provided with a liquid outlet manifold which is communicated with the longitudinal flow channel and the liquid return pipeline.
As another embodiment of this application, the both sides of energy storage electricity core all are equipped with the liquid cooling board.
As another embodiment of this application, supply the liquid header with it is the rectangular pipe to go out the liquid header, supply the liquid header with it all with to go out the thickness of liquid cooling plate's thickness is unanimous.
As another embodiment of the present application, the energy storage cells are arranged in rows and the battery pack has a plurality of rows of the energy storage cells therein; the liquid supply pipeline is located between two adjacent rows of the energy storage battery cores.
As another embodiment of the present application, the two liquid cooling plates symmetrically disposed on both sides of the liquid supply pipeline form a group of liquid cooling units; the liquid cooling units are multiple groups, and the multiple groups of liquid cooling units are arranged at intervals along the length direction of the liquid supply pipeline.
As another embodiment of the present application, a heat conductive silicone grease layer is provided between the liquid cooling plate and the energy storage cell.
As another embodiment of the application, a plurality of the liquid return pipelines are communicated to a liquid return header through valves, and the liquid return header penetrates through the battery pack and is connected with a cold source.
As another embodiment of the present application, the liquid supply pipeline penetrates through one end of the battery pack and is connected with a liquid supply pipe joint; the liquid return header penetrates through one end, far away from the liquid supply pipe joint, of the battery pack and is connected with a liquid return pipe joint.
The utility model provides a liquid cooling energy storage battery package heat abstractor's beneficial effect lies in: compared with the prior art, the liquid-cooled energy storage battery pack heat dissipation device ensures that the plurality of longitudinal runners arranged at intervals in the liquid-cooled plate ensure the rapid heat exchange between the energy storage battery cell and the liquid-cooled plate by longitudinally laminating the liquid-cooled plate on the side wall of the energy storage battery cell, reduces the temperature difference of the energy storage battery cell on the height gradient, ensures the uniform temperature of the whole battery, and prolongs the service life of the battery; the liquid cooling plate adopts a lower supply and upper return mode, so that gas in the pipeline can be quickly discharged along with the refrigerant, and the system is ensured to operate stably.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a top view of a liquid cooling energy storage battery pack heat dissipation apparatus provided by an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a liquid cooling plate according to an embodiment of the present invention;
FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 5 is a schematic view illustrating a water flow direction of the liquid-cooled energy storage battery pack heat dissipation device of fig. 1;
FIG. 6 is a schematic water flow direction view of the liquid cooled panel of FIG. 3;
fig. 7 is a schematic view of the flow of water to the liquid-cooled panels of fig. 4.
In the figure: 1. a battery pack; 2. an energy storage cell; 3. a liquid cooling plate; 4. a liquid supply line; 5. a return line; 6. a liquid return header; 7. a liquid supply pipe joint; 8. a liquid return pipe joint; 9. a liquid supply header; 10. a liquid outlet manifold; 11. a longitudinal flow passage.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to fig. 1 to 7, the heat dissipation device for a liquid-cooled energy storage battery pack provided by the present invention will now be described. The liquid-cooled energy storage battery pack heat dissipation device comprises a battery pack 1, a refrigeration pipeline and a liquid-cooled plate 3; the battery pack 1 is internally provided with an energy storage battery core 2; the refrigeration pipeline comprises a liquid supply pipeline 4 and a liquid return pipeline 5, and the liquid supply pipeline 4 and the liquid return pipeline 5 are positioned in the battery pack 1 and are connected with a cold source; the liquid cooling plate 3 is attached to the side wall of the energy storage electric core 2, and a plurality of longitudinal runners 11 are arranged at intervals in the liquid cooling plate 3; the lower end of the liquid cooling plate 3 is provided with a liquid supply manifold 9, and the liquid supply manifold 9 is communicated with the longitudinal flow passage 11 and the liquid supply pipeline 4; the upper end of the liquid cooling plate 3 is provided with a liquid outlet manifold 10, and the liquid outlet manifold 10 is communicated with the longitudinal flow passage 11 and the liquid return pipeline 5.
Compared with the prior art, the liquid cooling energy storage battery pack heat dissipation device provided by the utility model has the advantages that the liquid supply pipeline 4 and the liquid return pipeline 5 are arranged in the battery pack 1, the liquid supply pipeline 4 and the liquid return pipeline 5 are respectively connected with the water supply end and the water return end of the cold source, and the liquid supply pipeline 4 and the liquid return pipeline 5 are respectively communicated with the liquid supply manifold 9 and the liquid outlet manifold 10 of the liquid cooling plate 3; the low-temperature refrigerant flowing out of the cold source enters a liquid supply manifold 9 at the lower end of the liquid cooling plate 3 through a liquid supply pipeline 4, enters a liquid outlet manifold 10 at the upper end of the liquid cooling plate 3 through a longitudinal flow passage 11 in the liquid cooling plate 3, finally enters a liquid return pipeline 5 through the liquid outlet manifold 10, and further flows into a water return end of the cold source.
The liquid cooling plate 3 is attached to the side wall of the energy storage battery cell 2, and when a refrigerant circulates in the longitudinal flow channel 11, heat exchange exists between the flowing low-temperature refrigerant and the energy storage battery cell 2, so that the high-temperature refrigerant is formed and the effect of cooling the energy storage battery cell 2 is achieved.
The utility model provides a liquid cooling energy storage battery package heat abstractor, through vertically laminating liquid cooling plate 3 on the lateral wall of energy storage electric core 2, make the vertical runner 11 of a plurality of interval settings in the liquid cooling plate 3, guarantee the quick heat transfer between energy storage electric core 2 and liquid cooling plate 3, reduced the temperature difference of energy storage electric core 2 on the height gradient simultaneously, guaranteed that the battery bulk temperature is even, improved battery life; the liquid cooling plate 3 adopts a lower supply and upper return mode, so that gas in a pipeline can be quickly discharged along with a refrigerant, and the stable operation of a system is ensured.
Optionally, the cold source is a cold machine for refrigeration or a low-temperature refrigerant circulation barrel. The refrigerant can be selected from ethylene glycol aqueous solution, insulating heat-conducting oil, etc.
Optionally, for guaranteeing the heat dissipation, can paint heat conduction silicone grease at liquid cooling board 3 and 2 binding faces of energy storage electricity core and guarantee that both contacts are inseparable.
Optionally, the liquid cooling plate 3 is not rigidly connected to the energy storage cell 2.
In some possible embodiments, referring to fig. 1, the energy storage cell 2 is provided with liquid cooling plates 3 on both sides.
For improving cooling efficiency, avoid simultaneously that energy storage electricity core 2 has the temperature difference in the horizontal direction, all be equipped with liquid cooling board 3 in the both sides of energy storage electricity core 2.
Because energy storage electric core 2 is the rectangular bodily form, consequently two lateral walls on the length direction of energy storage electric core 2 are its two biggest lateral walls, and two liquid cooling boards 3 are laminated respectively on these two biggest lateral walls of area to improve its and energy storage electric core 2's heat transfer effect.
Optionally, the liquid cooling plate 3 can be made of copper, aluminum and the like, and has good machinability and high heat conduction efficiency.
As shown in fig. 2, the liquid supply manifold 9 and the liquid outlet manifold 10 are both rectangular pipes, and the thickness of the liquid supply manifold 9 and the thickness of the liquid outlet manifold 10 are both consistent with the thickness of the liquid cooling plate 3. The body of liquid cooling board 3 and the body that supplies liquid header 9, liquid cooling board 3 and play liquid header 10 are the welding and polish, guarantee that the lateral wall after both processes is in the coplanar, make its laminating that can be better on the lateral wall of energy storage electric core 2 to be convenient for safety and assurance and energy storage electric core 2 between heat exchange efficiency.
In some possible embodiments, please refer to fig. 1, the energy storage cells 2 are arranged in rows, and the battery pack 1 has a plurality of rows of energy storage cells 2; the liquid supply pipeline 4 is positioned between two adjacent rows of energy storage electric cores 2.
In the inner cavity of the battery pack 1, two rows of energy storage electric cores 2 are provided, a first gap is provided between the two rows of energy storage electric cores 2, and the liquid supply pipeline 4 is located in the first gap.
Optionally, the liquid return pipeline 5 is located in a first gap between the two rows of energy storage battery cells 2, and the liquid return pipeline 5 is located above the liquid supply pipeline 4.
Optionally, a second gap is formed between one side of the energy storage electric core 2 close to the side wall of the battery pack 1 and the side wall of the battery pack 1, the liquid supply pipeline 4 is located in the first gap, and the liquid return pipeline 5 is located in the second gap. Because the energy storage electric core 2 is provided with two rows, the liquid supply manifolds 9 of the two liquid discharge cold plates 3 are connected to the liquid supply pipeline 4, the liquid outlet manifolds 10 of the two rows of liquid discharge cold plates 3 are respectively connected to the two liquid return pipelines 5, and the two liquid return pipelines 5 are respectively and correspondingly arranged in the two second gaps.
In some possible embodiments, referring to fig. 1, fig. 3 and fig. 4, two liquid cooling plates 3 symmetrically disposed on two sides of the liquid supply pipeline 4 form a group of liquid cooling units; the liquid cooling units are in a plurality of groups, and the plurality of groups of liquid cooling units are arranged at intervals along the length direction of the liquid supply pipeline 4.
Have two rows of energy storage electric cores 2 that the symmetry set up in the battery package 1, for the heat dissipation of energy storage electric core 2, the liquid cooling board 3 of two symmetries is as a set of liquid cooling unit, and two different return liquid pipelines 5 are connected respectively to the liquid cooling board 3 that the symmetry set up.
The multiple groups of liquid cooling units are arranged in parallel and used for cooling different energy storage electric cores 2.
As shown in fig. 1, two return lines 5 are connected at the output end by means of valves to the end of a return header 6 and by means of the return header 6 to a cold source. The liquid return manifold 6 penetrates through the side plate of the battery pack 1, and the part of the liquid return manifold 6 extending out of the battery pack 1 is provided with a liquid return pipe joint 8.
Similarly, the end of the liquid supply pipe 4 penetrates the side plate of the battery pack 1, and the liquid supply pipe joint 7 is installed on the part of the liquid supply pipe 4 extending out of the battery pack 1.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.
Claims (8)
1. Liquid cooling energy storage battery package heat abstractor, its characterized in that includes:
the battery pack (1) is internally provided with an energy storage battery core (2);
the refrigeration pipeline comprises a liquid supply pipeline (4) and a liquid return pipeline (5), and the liquid supply pipeline (4) and the liquid return pipeline (5) are positioned in the battery pack (1) and are connected with a cold source;
the liquid cooling plate (3) is attached to the side wall of the energy storage battery cell (2), and a plurality of longitudinal flow channels (11) arranged at intervals are arranged in the liquid cooling plate (3); the lower end of the liquid cooling plate (3) is provided with a liquid supply header pipe (9), and the liquid supply header pipe (9) is communicated with the longitudinal flow channel (11) and the liquid supply pipeline (4); the upper end of the liquid cooling plate (3) is provided with a liquid outlet manifold (10), and the liquid outlet manifold (10) is communicated with the longitudinal flow channel (11) and the liquid return pipeline (5).
2. The liquid-cooled energy storage battery pack heat sink according to claim 1, characterized in that the liquid-cooled plate (3) is provided on both sides of the energy storage cells (2).
3. The liquid-cooled energy storage battery pack heat sink of claim 1, wherein the liquid supply manifold (9) and the liquid outlet manifold (10) are rectangular tubes, and the thickness of the liquid supply manifold (9) and the thickness of the liquid outlet manifold (10) are consistent with the thickness of the liquid-cooled plate (3).
4. The liquid-cooled energy storage battery pack heat sink according to claim 1, wherein the energy storage cells (2) are arranged in rows and the battery pack (1) has a plurality of rows of the energy storage cells (2); the liquid supply pipeline (4) is positioned between the two adjacent rows of the energy storage battery cores (2).
5. The liquid-cooled energy storage battery pack heat sink according to claim 4, wherein two liquid-cooled plates (3) symmetrically disposed on both sides of the liquid supply pipeline (4) form a set of liquid-cooled units; the liquid cooling units are multiple groups, and the multiple groups of liquid cooling units are arranged at intervals along the length direction of the liquid supply pipeline (4).
6. The liquid-cooled energy storage battery pack heat sink according to claim 1, characterized in that a thermally conductive silicone layer is provided between the liquid-cooled plate (3) and the energy storage cells (2).
7. The liquid-cooled energy storage battery pack heat sink according to claim 1, wherein a plurality of said liquid return lines (5) are connected to a liquid return manifold (6) by means of valves, said liquid return manifold (6) extending through said battery pack (1) for connection to a cold source.
8. The liquid-cooled energy storage battery pack heat sink of claim 7, wherein said liquid supply line (4) extends through one end of said battery pack (1) and is connected to a liquid supply line connector (7); the liquid return header pipe (6) penetrates through one end, far away from the liquid supply pipe joint (7), of the battery pack (1) and is connected with a liquid return pipe joint (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223392128.6U CN218788424U (en) | 2022-12-16 | 2022-12-16 | Liquid cooling energy storage battery package heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223392128.6U CN218788424U (en) | 2022-12-16 | 2022-12-16 | Liquid cooling energy storage battery package heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218788424U true CN218788424U (en) | 2023-04-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223392128.6U Active CN218788424U (en) | 2022-12-16 | 2022-12-16 | Liquid cooling energy storage battery package heat abstractor |
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| CN (1) | CN218788424U (en) |
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- 2022-12-16 CN CN202223392128.6U patent/CN218788424U/en active Active
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