CN210120215U - Cooling plate component of battery pack, battery pack and vehicle - Google Patents
Cooling plate component of battery pack, battery pack and vehicle Download PDFInfo
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- CN210120215U CN210120215U CN201921427658.5U CN201921427658U CN210120215U CN 210120215 U CN210120215 U CN 210120215U CN 201921427658 U CN201921427658 U CN 201921427658U CN 210120215 U CN210120215 U CN 210120215U
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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 discloses a cooling plate subassembly, battery package and vehicle of battery package. This cooling plate subassembly includes: the collecting pipe is provided with an integrated liquid inlet flow passage and an integrated liquid outlet flow passage; the cooling pipes are provided with cooling flow passages, and the inlet ends and the outlet ends of the cooling pipes are connected with the collecting pipes, so that the cooling flow passages are communicated with the integrated liquid inlet flow passages and the integrated liquid outlet flow passages. According to the utility model discloses a cooling plate subassembly, all link to each other with the pressure manifold through entrance point with a plurality of cooling tubes and exit end, need not to set up a plurality of pipelines, reduced spare part quantity, saved whole package cost and arranged the space to be favorable to reducing the joint number, effectively reduced the leakage risk of coolant liquid, and this cooling plate subassembly's simple structure is compact.
Description
Technical Field
The utility model relates to an automotive filed particularly, relates to a cooling plate subassembly, battery package and vehicle of battery package.
Background
When the power battery is used in a high-temperature or low-temperature environment, in order to ensure that the battery works in a proper working temperature range, a thermal management system is designed in the battery pack and used for cooling or heating the battery pack. Inside present battery package arranged the battery package with the cooling plate, connected through a plurality of pipelines between each water-cooling board, connection structure is complicated, and the tube coupling position is more, and the leakage risk is great, and inside the direct battery package of leaking after the coolant liquid leaks, danger coefficient is higher.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a cooling plate subassembly of battery package to simplify the structure, reduce the coolant liquid and leak the risk.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a cooling plate assembly of a battery pack includes: the collecting pipe is provided with an integrated liquid inlet flow passage and an integrated liquid outlet flow passage; the cooling pipes are provided with cooling flow passages, and the inlet ends and the outlet ends of the cooling pipes are connected with the collecting pipes, so that the cooling flow passages are communicated with the integrated liquid inlet flow passages and the integrated liquid outlet flow passages.
According to some embodiments of the invention, the cooling tube comprises: the liquid inlet section is formed into an inlet end of the cooling pipe at one end; a liquid outlet section, wherein one end of the liquid outlet section is formed as an outlet end of the cooling pipe; the connecting section is connected with the other end of the liquid inlet section and the other end of the liquid outlet section, and the liquid inlet section, the liquid outlet section and the connecting section limit the cooling flow channel.
Further, the liquid inlet section with go out liquid section parallel arrangement, the linkage segment extends to the arc section, the cooling tube is flat pipe.
According to some embodiments of the invention, the cooling plate assembly further comprises: and the inlet and outlet module is provided with a liquid inlet channel and a liquid outlet channel, the liquid inlet channel is communicated with the integrated liquid inlet flow channel, and the liquid outlet channel is communicated with the integrated liquid outlet flow channel.
Further, the cooling plate assembly further includes: a temperature sensor adapted to detect a temperature of at least one of the inlet flow path and the outlet flow path.
Compared with the prior art, the cooling plate component of battery package have following advantage:
the inlet ends and the outlet ends of the cooling pipes are connected with the collecting pipe, a plurality of pipelines are not required to be arranged, the number of parts is reduced, the whole package cost is saved, the arrangement space is saved, the number of joints is reduced, the leakage risk of cooling liquid is effectively reduced, and the cooling plate assembly is simple and compact in structure.
Another object of the present invention is to provide a battery pack, including the cooling plate assembly of the battery pack.
According to some embodiments of the present invention, the battery pack further comprises: a housing having a mounting cavity therein; the protective plate is arranged on the lower side of the shell; the electric core group, the electric core group install in the installation intracavity, cooling plate subassembly is located the bottom plate of casing with between the backplate and through the bottom plate is right the electric core group cools off.
Further, the battery core group comprises a plurality of battery cores, and each battery core at least partially overlaps with the projection of the cooling pipe along the thickness direction of the bottom plate.
Further, a plurality of electric core along the length direction and the thickness direction array distribution of electric core, the cooling tube is followed the length direction extension of electric core and is located the width direction's of electric core downside, the downside of bottom plate with the backplate respectively with the cooling tube contact cooperation, the upside of bottom plate with the cooperation of electric core group contact.
Compared with the prior art, the battery pack has the advantages that are the same as those of the cooling plate assembly, and the description is omitted here.
Another object of the present invention is to provide a vehicle, including the above battery pack.
Compared with the prior art, the vehicle has the same advantages as the battery pack, and is not repeated here.
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 a schematic view of a cooling plate assembly according to an embodiment of the present invention;
FIG. 2 is a top view of a cooling plate assembly according to an embodiment of the present invention;
fig. 3 is a left side view of a cooling plate assembly of an embodiment of the present invention;
FIG. 4 is a front view of a cooling plate assembly of an embodiment of the present invention;
FIG. 5 is a partial cross-sectional view of a cooling plate assembly in accordance with an embodiment of the present invention;
fig. 6 is a schematic diagram of a battery pack according to an embodiment of the present invention;
fig. 7 is an enlarged schematic view of the structure of fig. 6 at circle a.
Description of reference numerals:
a battery pack 100,
A cooling plate assembly 1,
A collecting pipe 11, an integrated liquid inlet flow passage 111, an integrated liquid outlet flow passage 112,
An inlet-outlet module 13, a temperature sensor 14,
A shell 2, a mounting cavity 201, a bottom plate 21,
A guard board 3,
The battery pack 4 and the battery cell 41.
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.
The present invention will be described in detail with reference to fig. 1 to 7 in conjunction with the embodiments.
Referring to fig. 1 to 5, a cooling plate assembly 1 of a battery pack 100 according to an embodiment of the present invention includes: a manifold 11 and a plurality of cooling tubes 12.
Specifically, the header 11 has an integrated liquid inlet flow passage 111 and an integrated liquid outlet flow passage 112, the cooling pipes 12 have cooling flow passages 121, and the inlet end 122 and the outlet end 123 of each cooling pipe 12 are connected to the header 11, for example, welded, so that the cooling flow passages 121 communicate the integrated liquid inlet flow passage 111 and the integrated liquid outlet flow passage 112.
From this, the coolant liquid can be by integrated inlet channel inflow cooling flow 121, and cooling tube 12 can be directly or indirectly cool off battery pack 4 of battery package 100, makes battery pack 4 work in the suitable operating temperature interval, improves the stability of battery package 100 power supply. The cooling liquid heat-exchanged with the electric core assembly 4 can flow from the cooling flow channel 121 to the integrated liquid outlet flow channel 112.
The utility model discloses in, entrance point 122 and the exit end 123 of every cooling tube 12 all link to each other with pressure manifold 11, that is to say, entrance point 122 and the exit end 123 of cooling tube 12 are formed at the same tip of cooling tube 12 (for example, are formed with the one end of the length direction of cooling tube 12), and integrated inlet flow channel 111 and integrated outlet flow channel 112 are integrated in same structure, and cooling plate subassembly 1 structure is simpler. In cooling plate subassembly 1, only need set up a pressure manifold 11, and need not to set up a plurality of pipelines that are used for connecting a plurality of water-cooling boards, saved whole package cost and arranged the space, and be favorable to reducing the number of joints, reduce the coolant liquid and leak the risk. And in the embodiment that the inlet end 122 and the outlet end 123 of the cooling pipe 12 are welded with the header 11, the joints are not easy to crack, which is also beneficial to reducing the risk of leakage of the cooling liquid.
According to the utility model discloses battery package 100's cooling plate subassembly 1, through all linking to each other with pressure manifold 11 with the entrance point 122 and the exit end 123 of a plurality of cooling tubes 12, need not to set up a plurality of pipelines, reduced spare part quantity, saved whole package cost and arranged the space to be favorable to reducing the joint number, effectively reduced the leakage risk of coolant liquid, and this cooling plate subassembly 1's simple structure is compact.
Optionally, in some embodiments, the plurality of cooling tubes 12 are located on the same side of the collecting main 11, so that the structure of the cooling plate assembly 1 is simpler and more compact, and the joints of the cooling tubes 12 and the collecting main 11 are located on the same side of the plurality of cooling tubes 12, which is convenient for cooperating with other structures to shield or protect the joints, and prevent the joints from cracking or coolant from splashing after cracking.
According to some embodiments of the present invention, as shown in fig. 1 and 2, the cooling pipe 12 may include: the cooling system comprises a liquid inlet section 124, a liquid outlet section 125 and a connecting section 126, wherein one end of the liquid inlet section 124 is formed as an inlet end 122 of the cooling pipe 12, one end of the liquid outlet section 125 is formed as an outlet end 123 of the cooling pipe 12, the connecting section 126 connects the other end of the liquid inlet section 124 and the other end of the liquid outlet section 125, and the liquid inlet section 124, the liquid outlet section 125 and the connecting section 126 define a cooling flow channel 121 together.
From this, cooling tube 12 forms to returning the venturi tube to the distance that makes cooling tube 12 can be extended by one side of pressure manifold 11 and the area of covering is bigger, has increased cooling tube 12 and has directly or indirectly carried out the heat transfer area of heat exchange with electric core group 4, is favorable to improving the cooling effect to electric core group 4.
Further, referring to fig. 2, the liquid inlet section 124 and the liquid outlet section 125 are arranged in parallel, and the connecting section 126 extends to be an arc-shaped section, so that the structure of the cooling pipe 12 is more regular and beautiful, and is easy to machine and form, and the wall surface of the cooling flow channel 121 is smoother, thereby reducing the flow resistance of the cooling liquid in the cooling flow channel 121.
Alternatively, as shown in fig. 3 and 4, the cooling pipe 12 may be a flat pipe, the flat pipe has a larger heat exchange area for exchanging heat with the electric core assembly 4, and the flat pipe is easier to fix and install.
In some embodiments of the present invention, as shown in fig. 1, fig. 2 and fig. 5, the cooling plate assembly 1 may further include an inlet and outlet module 13, the inlet and outlet module 13 has a liquid inlet channel and a liquid outlet channel, the liquid inlet channel is communicated with the integrated liquid inlet channel 111, and the liquid outlet channel is communicated with the integrated liquid outlet channel 112. The cooling fluid may enter the manifold 11 through the inlet and outlet modules 13 to facilitate cooling of the heat exchanged cooling fluid by other components.
Optionally, the inlet/outlet module 13 may be welded to the header 11 to improve the firmness of the joint between the inlet/outlet module 13 and the header 11, and prevent the coolant from leaking due to cracking.
Further, as shown in fig. 6 and 7, the cooling plate assembly 1 may further include a temperature sensor 14, and the temperature sensor 14 may detect a temperature of at least one of the inlet liquid flow passage and the outlet liquid flow passage to control a temperature of the cooling liquid, a speed and a time at which the cooling liquid flows in the cooling flow passage 121, and the like according to a detection result.
Referring to fig. 6, a battery pack 100 according to another aspect of the present invention includes the cooling plate assembly 1 of the battery pack 100 according to the above-described embodiment.
In addition, in the related art, the cooling plate assembly and the electric core assembly are arranged in the same cavity, and when the cooling plate assembly is lower than the ambient temperature, the condensation phenomenon can occur on the cooling plate assembly, so that certain installation hidden troubles exist. And, when the gas tightness of cooling plate subassembly goes wrong, coolant liquid can directly leak to electric core group department, and the danger coefficient is extremely high.
Therefore, in the present invention, with continued reference to fig. 6, the battery pack 100 further includes: the shell 2, the guard plate 3 and the electric core group 4. The housing 2 has a mounting cavity 201 therein, and the electric core assembly 4 can be mounted in the mounting cavity 201. The backplate 3 is arranged at the lower side of the shell 2, the cooling plate assembly 1 is arranged between the bottom plate 21 of the shell 2 and the backplate 3, and the cooling plate assembly 1 can cool the electric core assembly 4 through the bottom plate 21.
From this, the bottom plate 21 of casing 2 can be spaced apart cooling plate subassembly 1 and electric core group 4, realizes wet-dry separation, has avoided the risk that cooling plate subassembly 1 dewfall or coolant liquid leakage brought, has improved battery package 100's security performance to arrangement structure is simple, has saved the arrangement space in the installation cavity 201, has reduced battery package 100's whole package cost.
Further, as shown in fig. 6, the electric core pack 4 includes a plurality of electric cells 41, and each electric cell 41 at least partially overlaps with a projection of the cooling pipe 12 in the thickness direction of the bottom plate 21. That is to say, the bottom of each battery cell 41 flows through one cooling pipe 12, which shortens the distance between the battery cells 41 and the cooling pipe 12, ensures the cooling effect of each battery cell 41, reduces the temperature difference between the battery cells 41, and improves the usability of the battery pack 100.
For example, in some embodiments, referring to fig. 6, a plurality of battery cells 41 are distributed in an array along the length direction and the thickness direction of the battery cells 41, the cooling pipe 12 extends along the length direction of the battery cells 41, and the cooling pipe 12 is located on the lower side in the width direction of the battery cells 41.
Thus, the cooling pipe 12 may be located on the lower side of the plurality of battery cells 41 in the same row to cool the battery cells 41. In embodiments where cooling tube 12 includes a liquid inlet tube and a liquid outlet tube arranged in parallel, the liquid inlet tube may be located on the underside of a plurality of cells 41 in the same row, and the liquid outlet tube may be located on the underside of a plurality of cells 41 in the same row. The arrangement of the plurality of battery cells 41 and the cooling pipes 12 is more regular, the arrangement space in the battery pack 100 is effectively utilized, and the effectiveness of cooling each battery cell 41 is favorably ensured.
In some embodiments, the lower side of the bottom plate 21 can be in contact with the cooling tube 12, the shield 3 can also be in contact with the cooling tube 12, and the upper side of the bottom plate 21 is in contact with the electric core assembly 4. Therefore, the cooling pipe 12 can be limited by clamping the cooling pipe 12 by the bottom plate 21 and the guard plate 3, and the cooling pipe 12 is not easy to move and damage. And the contact cooperation can improve the heat conduction efficiency between the electric core group 4 and the bottom plate 21, between the bottom plate 21 and the cooling pipe 12, and then can improve the cooling effect to the electric core group 4.
For example, in some examples, the electric core assembly 4 is fixed to the upper side of the base plate 21 by a heat conductive structural adhesive, and the cooling plate assembly 1 is adhered to the lower side of the base plate 21 by a heat conductive adhesive or a heat conductive pad, so as to further improve the heat conduction efficiency.
A vehicle according to another aspect of the present invention includes the battery pack 100 of the above embodiment.
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 (10)
1. A cooling plate assembly (1) of a battery pack (100), comprising:
a header (11), said header (11) having an integrated inlet flow channel (111) and an integrated outlet flow channel (112);
the integrated liquid inlet flow channel (111) and the integrated liquid outlet flow channel (112) are communicated with each other through the cooling flow channels (121), the cooling pipes (12) are provided with cooling flow channels (121), and the inlet ends (122) and the outlet ends (123) of the cooling pipes (12) are connected with the collecting pipe (11) respectively.
2. The cooling plate assembly (1) of a battery pack (100) according to claim 1, wherein the cooling pipe (12) comprises:
a liquid inlet section (124), one end of the liquid inlet section (124) is formed as an inlet end (122) of the cooling pipe (12);
a liquid outlet section (125), wherein one end of the liquid outlet section (125) is formed as an outlet end (123) of the cooling pipe (12);
a connecting section (126), wherein the connecting section (126) is connected with the other end of the liquid inlet section (124) and the other end of the liquid outlet section (125),
the liquid inlet section (124), the liquid outlet section (125) and the connecting section (126) define the cooling flow channel (121).
3. The cooling plate assembly (1) of a battery pack (100) according to claim 2, wherein the liquid inlet section (124) and the liquid outlet section (125) are arranged in parallel, the connecting section (126) extends into an arc-shaped section, and the cooling pipe (12) is a flat pipe.
4. The cooling plate assembly (1) of a battery pack (100) according to claim 1, further comprising:
import and export module (13), import and export module (13) has inlet channel and liquid outlet channel, inlet channel with integrated inlet channel (111) intercommunication, liquid outlet channel with integrated liquid outlet channel (112) intercommunication.
5. The cooling plate assembly (1) of a battery pack (100) according to claim 4, further comprising:
a temperature sensor (14), said temperature sensor (14) adapted to detect a temperature of at least one of said inlet flow path and said outlet flow path.
6. A battery pack (100), comprising a cooling plate assembly (1) of a battery pack (100) according to any one of claims 1-5.
7. The battery pack (100) of claim 6, wherein the battery pack (100) further comprises:
the device comprises a shell (2), wherein a mounting cavity (201) is formed in the shell (2);
the protective plate (3) is arranged on the lower side of the shell (2);
the electric core group (4), the electric core group (4) is arranged in the installation cavity (201),
the cooling plate assembly (1) is arranged between the bottom plate (21) of the shell (2) and the guard plate (3) and cools the electric core group (4) through the bottom plate (21).
8. The battery pack (100) according to claim 7, wherein the electric core group (4) comprises a plurality of electric cores (41), and each electric core (41) at least partially overlaps with a projection of the cooling pipe (12) along the thickness direction of the bottom plate (21).
9. The battery pack (100) according to claim 8, wherein a plurality of the battery cells (41) are arranged in an array along a length direction and a thickness direction of the battery cells (41), the cooling pipe (12) extends along the length direction of the battery cells (41) and is located at a lower side in a width direction of the battery cells (41),
the lower side of the bottom plate (21) and the guard plate (3) are respectively in contact fit with the cooling pipe (12), and the upper side of the bottom plate (21) is in contact fit with the electric core group (4).
10. A vehicle, characterized by comprising a battery pack (100) according to any one of claims 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427658.5U CN210120215U (en) | 2019-08-29 | 2019-08-29 | Cooling plate component of battery pack, battery pack and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427658.5U CN210120215U (en) | 2019-08-29 | 2019-08-29 | Cooling plate component of battery pack, battery pack and vehicle |
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| Publication Number | Publication Date |
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| CN210120215U true CN210120215U (en) | 2020-02-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921427658.5U Active CN210120215U (en) | 2019-08-29 | 2019-08-29 | Cooling plate component of battery pack, battery pack and vehicle |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113161646A (en) * | 2021-04-14 | 2021-07-23 | 中航锂电（洛阳）有限公司 | Battery pack |
| WO2022062605A1 (en) * | 2020-09-27 | 2022-03-31 | 比亚迪股份有限公司 | Tray and battery pack having same |
| CN114300793A (en) * | 2020-09-23 | 2022-04-08 | 比亚迪股份有限公司 | Battery pack shell, battery pack and vehicle |
| CN114336231A (en) * | 2021-12-29 | 2022-04-12 | 武汉锐科光纤激光技术股份有限公司 | Cooling device for optical device |
| CN115377548A (en) * | 2022-09-16 | 2022-11-22 | 江苏正力新能电池技术有限公司 | Cooling device and battery pack |
| WO2024021110A1 (en) * | 2022-07-29 | 2024-02-01 | 华为技术有限公司 | Cooling system, battery system and electric vehicle |
-
2019
- 2019-08-29 CN CN201921427658.5U patent/CN210120215U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114300793A (en) * | 2020-09-23 | 2022-04-08 | 比亚迪股份有限公司 | Battery pack shell, battery pack and vehicle |
| CN114300793B (en) * | 2020-09-23 | 2023-11-14 | 比亚迪股份有限公司 | Battery pack shell, battery pack and vehicle |
| WO2022062605A1 (en) * | 2020-09-27 | 2022-03-31 | 比亚迪股份有限公司 | Tray and battery pack having same |
| CN113161646A (en) * | 2021-04-14 | 2021-07-23 | 中航锂电（洛阳）有限公司 | Battery pack |
| US11804629B2 (en) | 2021-04-14 | 2023-10-31 | Calb Co., Ltd. | Battery pack |
| CN114336231A (en) * | 2021-12-29 | 2022-04-12 | 武汉锐科光纤激光技术股份有限公司 | Cooling device for optical device |
| WO2024021110A1 (en) * | 2022-07-29 | 2024-02-01 | 华为技术有限公司 | Cooling system, battery system and electric vehicle |
| CN115377548A (en) * | 2022-09-16 | 2022-11-22 | 江苏正力新能电池技术有限公司 | Cooling device and battery pack |
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