CN211829116U - Battery module, battery package and vehicle - Google Patents
Battery module, battery package and vehicle Download PDFInfo
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- CN211829116U CN211829116U CN202020596208.5U CN202020596208U CN211829116U CN 211829116 U CN211829116 U CN 211829116U CN 202020596208 U CN202020596208 U CN 202020596208U CN 211829116 U CN211829116 U CN 211829116U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model relates to a battery technology field discloses a battery module, battery package and vehicle, and this battery module includes electric core, still including being located electric core side respectively, and being used for adjusting the temperature regulation apparatus of battery module temperature, wherein: the temperature adjusting device is provided with a pipeline for enabling liquid to flow in a circulating mode, and the pipe diameter of the pipeline is gradually reduced along the direction from the top of the battery cell to the bottom of the battery cell. The temperature adjusting device is arranged on the side surface of the battery cell, so that the battery cell is not impacted by a bottom ball, the risk of liquid leakage is avoided, and the height space occupied by the battery module is saved; because the direction of the bottom of electric core to electric core is followed to the top of electric core again, the pipe diameter of pipeline reduces gradually, then the liquid velocity of flow can be steady gradually, even, has further avoided the uneven problem of battery module temperature top-down distribution that exists among the prior art.
Description
Technical Field
The utility model belongs to the technical field of the technique of battery and specifically relates to a battery module, battery package and vehicle are related to.
Background
With the increasing demands for the power performance and high and low temperature performance of the battery, the cooling and heating effect of the battery becomes more and more the key of the design.
In the prior art, the battery is cooled by a liquid cooling plate, and the liquid cooling plate mainly comprises three types of harmonica tubes, stamping plates and aluminum profile tailor welding integration.
However, the three types of liquid cooling plates are all mounted at the bottom of the battery, which occupies the height space of the battery module; the battery module is cooled from the bottom of the battery, so that the temperature of the battery module in the height direction is moderate, and the temperature of the battery module is kept higher and higher from bottom to top; in addition, when the battery is applied to the vehicle, the bottom of battery module can receive bottom ball impact or the impact of other mechanical parts under vehicle operation condition, has the coolant liquid leakage risk of liquid cooling board.
SUMMERY OF THE UTILITY MODEL
The utility model provides a battery module, the temperature regulation apparatus of above-mentioned battery module can not receive the impact of bottom ball-impact or other mechanical parts in bottom, has effectively avoided the risk of weeping, has saved the high space that battery module occupied simultaneously, can also avoid battery module temperature top-down uneven distribution's problem.
In order to achieve the above object, one aspect of the present invention provides the following technical solutions:
the utility model provides a battery module, includes electric core, still includes the temperature regulation apparatus who is located electric core side, and is used for adjusting battery module temperature, wherein: the last pipeline that is provided with two at least intervals of temperature regulation apparatus, and along the direction of the top of battery module to the bottom of battery module, the pipe diameter of pipeline reduces gradually.
According to the battery module provided by the embodiment of the utility model, the temperature adjusting device is arranged on the side surface of the battery core, so that the battery module can not be impacted by bottom ball impact or other mechanical parts naturally, the risk of liquid leakage is effectively avoided, and meanwhile, the height space occupied by the battery module is saved; in addition, because the pipelines are distributed along the direction from the top of the battery cell to the bottom of the battery cell, the temperature of the battery cell in the vertical direction can be affected by the temperature adjusting device, and the temperature is gradually changed. In addition, because the speed of filling liquid into the pipeline below is fast, the speed of filling liquid into the pipeline above is slow, in order to avoid uneven liquid distribution in each pipeline, the pipe diameter of the pipeline is gradually reduced along the direction from the top of the battery cell to the bottom of the battery cell, that is, the liquid capacity born in the pipeline closer to the bottom of the battery cell is smaller, when the liquid continuously flows into the pipeline, the liquid can be ensured to be uniformly distributed in each pipeline, so that the temperature of the battery cell can be uniformly adjusted in the height direction. If the pipe diameter of every line of pipeline is the same, then it is more to appear the liquid in the pipeline of lower floor very easily, and the liquid in the pipeline of upper strata is less, causes liquid to distribute inhomogeneously, and the utility model provides a temperature regulation apparatus can avoid the emergence of this kind of phenomenon. Therefore, the utility model provides a battery module can avoid the uneven problem of distribution of battery module temperature top-down who exists among the prior art.
The utility model discloses another aspect provides a battery pack, including a plurality of above-mentioned arbitrary battery module.
Yet another aspect of the present invention provides a vehicle, including the above-mentioned battery pack.
Drawings
Fig. 1 is a schematic structural diagram of a battery module according to an embodiment of the present invention;
fig. 2 is an exploded view of a battery module according to an embodiment of the present invention;
fig. 3 is an exploded view of a part of the structure of a battery module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a temperature adjustment device according to an embodiment of the present invention.
Icon: 1-electric core; 2-a busbar; 3-sampling a wire harness; 4-a wiring harness isolation plate; 5-module upper cover; 6-module end plate; 7-a temperature regulating device; 8-pipeline; 9-temperature adjusting side plates; 10-a protective frame; 11-an insulating thermally conductive pad; 12-heating the film; 13-end insulating plates; 14-a first accommodating groove; 15-a second holding tank; 16-liquid inlet holes; 17-liquid outlet holes; 18-an outer groove; 19-internal groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is the embodiment of the utility model provides a battery module structure schematic diagram, fig. 2 is the utility model provides a battery module's structure explosion chart, fig. 3 is the utility model provides a battery module's partial structure explosion chart, fig. 4 is the utility model provides a temperature regulation apparatus's that provides structural schematic diagram, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the utility model provides a battery module, including electric core 1, still including being located electric core 1 side, and being used for the temperature regulation apparatus 7 of adjusting battery module temperature, wherein: the temperature adjusting device 7 is provided with at least two pipelines 8 arranged at intervals, and the pipe diameter of the pipelines 8 is gradually reduced along the direction from the top of the battery module to the bottom of the battery module.
Specifically, as shown in fig. 1, 2 and 3, the battery module further includes a bus bar 2, a sampling harness 3, a harness isolation plate 4, a module upper cover 5 located on the top of the electric core 1, and module end plates 6 located at two ends of the electric core 1.
According to the battery module provided by the embodiment, the temperature adjusting device 7 is arranged on the side surface of the battery core 1, so that the battery module is naturally not impacted by bottom ball impact or other mechanical parts, the risk of liquid leakage is effectively avoided, and meanwhile, the height space occupied by the battery module is saved; in addition, since the pipelines 8 are distributed along the direction from the top of the battery cell 1 to the bottom of the battery cell 1, the temperature of the battery cell 1 in the vertical direction is affected by the temperature adjusting device 7, and the temperature gradually changes. In addition, because the speed of filling liquid into the lower pipeline 8 is fast, and the speed of filling liquid into the upper pipeline 8 is slow, in order to avoid uneven liquid distribution in each pipeline, along the direction from the top of the battery cell 1 to the bottom of the battery cell 1, the pipe diameter of the pipeline 8 is gradually reduced, that is, the liquid capacity borne in the pipeline 8 closer to the bottom of the battery cell 1 is smaller, when the liquid continuously flows into the pipeline 8, the liquid can be ensured to be uniformly distributed in each pipeline 8, so that the temperature of the battery cell 1 can be uniformly adjusted in the height direction. If every line of pipeline 8's pipe diameter is the same, then it is more to appear the liquid in the lower floor's pipeline very easily, and the liquid in the upper pipeline 8 is less, causes the liquid distribution uneven, and the embodiment of the utility model provides a temperature regulation apparatus 7 can avoid the emergence of this kind of phenomenon, can guarantee liquid evenly distributed in each pipeline 8 to carry out temperature regulation to electric core 1 on the direction of height uniformly. Therefore, the utility model provides a battery module can avoid the uneven problem of distribution of battery module temperature top-down who exists among the prior art. As an alternative embodiment, temperature adjusting devices 7 may be disposed on both sides of the battery cell 1, and this arrangement may enable the temperature of both sides of the battery cell 1 to be adjusted more uniformly from top to bottom.
As an alternative embodiment, as shown in fig. 2 and fig. 3, an end insulating plate 13 is disposed between the module end plate 6 and the battery cell 1, and the end insulating plate 13 is used for insulating from the battery cell 1, and can protect the battery module.
In addition, as an optional embodiment, the cooling liquid or the heating liquid may be added to the pipeline 8, the liquid may be water or other liquid having a cooling and/or heating function, and may be determined according to actual working condition requirements, and is not limited, taking the liquid as water as an example, if the temperature of the battery cell is too high, the cooled water is selected to flow into the pipeline 8, and if the temperature of the battery cell is too low, the heated water is selected to flow into the pipeline 8. The flowing mode of the cooling liquid is the same as that of the heating liquid, and the cooling liquid and the heating liquid can both play a role in enabling the temperature of the battery module to be uniformly distributed from top to bottom.
It should be noted that, in the battery cell 1 provided in this embodiment, the arrangement direction of the battery cell units is not limited, and a plurality of battery cells may be stacked in the height direction or arranged in a plurality of directions along the horizontal direction, which is determined by specific working conditions and is not specifically limited.
As an alternative embodiment, as shown in fig. 4, one side of the temperature adjusting device 7 has a first receiving groove 14, and the other side of the temperature adjusting device 7 has a second receiving groove 15; a liquid inlet hole 16 is formed in the first accommodating groove 14, and the first accommodating groove 14 is communicated with liquid inlets of the pipelines 8; second holding tank 15 is last to be provided with out liquid hole 17, and second holding tank 15 all communicates with the liquid outlet of each pipeline 8.
Specifically, as shown in fig. 4, the first housing tank 14 includes an outer tank 18 and an inner tank 19, the outer tank 18 communicates with the liquid inlet 16, the inner tank 19 communicates with the liquid inlet of each pipe, and the outer tank 18 and the inner tank 19 communicate through an opening having a small diameter, and further, the opening is spaced from the bottom of the first housing tank 14. The benefits of such an arrangement are: when liquid enters the outer groove 18 from the liquid inlet 16, the liquid does not immediately flow into the inner groove 19 but accumulates in the outer groove 18 because the opening is a certain distance away from the bottom of the first accommodating groove 14, when the liquid accumulates in the outer groove 18 to a certain amount, the liquid level rises to the opening and then overflows to the inner groove 19, at the moment, the liquid continuously enters the outer groove 18 from the liquid inlet 16 and flows into the inner groove 19 through the opening, and because the diameter of the opening is small, the moment when the liquid flows into the inner groove 19 from the outer groove 18 is equivalent to pressurization, and because the liquid accumulated in the outer groove 18 and the inner groove 19 is much, the arrangement mode can ensure that sufficient and high-pressure liquid flows into each pipeline 8, and improves the efficiency of the liquid flowing into each pipeline 8.
Similarly, as shown in fig. 4, the second receiving groove 15 also includes an outer groove 18 and an inner groove 19, the outer groove 18 is communicated with the liquid outlet 17, the inner groove 19 is communicated with the liquid outlets of the pipelines, and the outer groove 18 is communicated with the inner groove 19 through an opening with a smaller diameter, in addition, the opening has a certain distance from the bottom of the second receiving groove 15, the principle of the liquid flowing out of the pipelines is the same as that of the liquid flowing in pipeline, and is not repeated, and the setting mode can also improve the efficiency of the liquid flowing out of the pipelines 8. It should be noted that the shapes of the inner groove 18 and the outer groove 19, and the specific positions of the liquid inlet hole 16, the liquid outlet hole 17, and the opening are not limited, for example, as shown in fig. 4, the liquid inlet hole 16 and the liquid outlet hole 17 are respectively installed on the top of the first holding tank 14 and the second holding tank 15, so as to achieve the above-mentioned "pressurizing" effect for the liquid.
As an alternative embodiment, each pipe 8 extends in a horizontal direction.
In this embodiment, as shown in fig. 4, the plurality of pipes extending in the horizontal direction are arranged in a row, and in this arrangement, the liquid flows from one side of the temperature adjustment device to the other side in the horizontal direction, and compared with an irregular pipe shape, the area of the temperature adjustment device 7 can be better utilized, and the pipes 8 in each row are closely arranged, so that the pipes 8 are fully distributed on the side surface of the electric core 1, thereby achieving the purpose of adjusting the side surface of the electric core 1 more comprehensively and uniformly. In addition, the pipeline 8 is horizontally arranged, so that the liquid can flow more stably and uniformly, and the temperature adjusting effect is further improved.
As an alternative embodiment, shown in fig. 1 and 4, the thermostat 7 comprises a thermostat side plate 9; the orthographic projection of the temperature regulation side plate 9 on the side face of the battery cell 1 completely covers the side face of the battery cell 1, and the pipeline 8 is fully distributed with the temperature regulation side plate 9.
In this embodiment, the orthographic projection of the temperature regulation side plate 9 on the side surface of the battery core 1 completely covers the side surface of the battery core 1, which indicates that the side surface of the battery core 1 can be completely covered by the temperature regulation side plate 9, as an optional embodiment, two temperature regulation side plates 9 can be respectively arranged on two sides of the battery core 1, and thus the two temperature regulation side plates 9 can play a role of a side cover plate of a traditional battery module, so that only two temperature regulation side plates 9 need to be installed in this embodiment, steps for installing the side cover plate are reduced, and time and labor are saved; in addition, because the pipeline 8 is fully distributed with the temperature regulation side plate 9, the flowing path of the liquid in the pipeline 8 can cover the whole side surface of the battery cell 1, so that the whole side surface can be subjected to temperature regulation, and the uniform temperature distribution of the battery cell 1 is further ensured.
The temperature-adjusting side plate 9 may be welded, bolted, or bonded to the module end plate 6, and the like, without limitation.
As an optional embodiment, the number of the module end plates 6 may be two, and the two module end plates are respectively disposed at two ends of the electric core 1, so that the module upper cover 5, the two module end plates 6, and the two temperature regulation side plates 9 may jointly form a protection frame 10 of the electric core 1, thereby protecting the electric core 1, as shown in fig. 1; in addition, the two module end plates 6 are arranged, so that the two sides of the temperature adjusting side plate 9 are connected with one module end plate 6 respectively, and the temperature adjusting side plate is more stable.
As an alternative embodiment, as shown in fig. 2, the battery module further includes an insulating thermal pad 11; the insulating heat conducting pad 11 is located between the temperature regulation side plate 9 and the battery cell 1.
In this embodiment, during installation, the insulating heat conducting pad 11 is attached to the side surface of the electrical core 1, and then the two temperature adjusting side plates 9 located on the two sides of the electrical core 1 are installed.
This kind of mode of setting up not only can promote the heat conduction effect of temperature regulation curb plate 9, and the setting of insulating material can also prevent to cause the interference to electric core 1's performance, has played the effect of protection to the battery module.
As an alternative embodiment, as shown in fig. 2, the battery module further includes a heating film 12; the heating film 12 is located at the bottom of the battery core 1.
The heating film 12 includes an upper insulating film, a lower insulating film, and a heating sheet located between the upper insulating film and the lower insulating film.
Specifically, the heating sheet can be connected with a low-voltage connector of an external power supply through a low-voltage wire harness to realize the heating function; in addition, the upper insulating film can be bonded at the bottom of the battery core, so that the heating film 12 can be better attached to the battery core, and the heating effect is guaranteed.
In this embodiment, the heating film 12 is disposed at the bottom of the battery cell 1, so as to play a certain role in supporting and protecting; moreover, the arrangement of the upper insulating film and the lower insulating film can also ensure the insulation with the electric core 1 and protect the performance of the electric core 1; in addition, this kind of mode can heat 1 bottom of electricity core, is more convenient for regulate and control 1 temperature of electricity core uniformly.
As an alternative embodiment, the temperature-regulating side plates 9 are welded to the module end plates 6 of the battery module using Cold Metal Transfer (CMT) welding.
In the embodiment, the CMT welding has the outstanding advantages of small heat input, high speed, no splashing and the like, can well realize the thickness transition of the welding line, is suitable for welding thin plates or ultrathin plates (0.3-3.0 mm), and has wider application scenes.
The embodiment of the utility model provides a still provide a battery package, including a plurality of above-mentioned arbitrary battery module.
In this embodiment, the battery pack has similar beneficial effects to the battery module described above, and is not repeated.
The embodiment of the utility model provides a vehicle is still provided, including foretell battery package.
In this embodiment, the vehicle has similar beneficial effects to the battery module described above, and is not repeated.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (10)
1. The utility model provides a battery module, includes electric core, its characterized in that still includes and is located electric core side, and be used for adjusting the temperature regulation apparatus of battery module temperature, wherein:
the temperature adjusting device is provided with at least two pipelines arranged at intervals, the top of the battery module is arranged in the direction of the bottom of the battery module, and the pipe diameter of the pipelines is gradually reduced.
2. The battery module according to claim 1, wherein one side of the temperature adjusting device has a first receiving groove, and the other side of the temperature adjusting device has a second receiving groove;
the first accommodating groove is provided with a liquid inlet hole and is communicated with liquid inlets of the pipelines;
the second holding tank is provided with a liquid outlet hole and is communicated with the liquid outlets of the pipelines.
3. The battery module according to claim 1, wherein each of the pipes extends in a horizontal direction.
4. The battery module according to claim 1, wherein the temperature regulation device comprises a temperature regulation side plate;
the orthographic projection of the temperature regulation side plate on the side face of the battery core completely covers the side face of the battery core, and the pipeline is fully distributed with the temperature regulation side plate.
5. The battery module according to claim 4, further comprising an insulating thermal pad;
the insulating heat conducting pad is located between the temperature adjusting side plate and the battery core.
6. The battery module according to claim 1, further comprising a heating film;
the heating film is positioned at the bottom of the battery core.
7. The battery module according to claim 6, wherein the heating film comprises an upper insulating film, a lower insulating film, and a heating sheet between the upper insulating film and the lower insulating film.
8. The battery module according to any one of claims 4 to 7, wherein the temperature regulation side plates are welded to the module end plates of the battery module using a cold metal transition welding technique.
9. A battery pack comprising a plurality of battery modules according to any one of claims 1 to 8.
10. A vehicle characterized by comprising the battery pack according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596208.5U CN211829116U (en) | 2020-04-20 | 2020-04-20 | Battery module, battery package and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020596208.5U CN211829116U (en) | 2020-04-20 | 2020-04-20 | Battery module, battery package and vehicle |
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| Publication Number | Publication Date |
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| CN211829116U true CN211829116U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020596208.5U Active CN211829116U (en) | 2020-04-20 | 2020-04-20 | Battery module, battery package and vehicle |
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| CN (1) | CN211829116U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114520378A (en) * | 2020-11-18 | 2022-05-20 | 上海轩玳科技有限公司 | Control method for temperature consistency in manufacturing process of power storage battery |
-
2020
- 2020-04-20 CN CN202020596208.5U patent/CN211829116U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114520378A (en) * | 2020-11-18 | 2022-05-20 | 上海轩玳科技有限公司 | Control method for temperature consistency in manufacturing process of power storage battery |
| CN114520378B (en) * | 2020-11-18 | 2024-04-09 | 上海轩玳科技有限公司 | Control method for temperature consistency in power storage battery manufacturing process |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: Kaibo Energy Technology Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Kaibo Energy Technology Co.,Ltd. Patentee after: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: CHINA AVIATION LITHIUM BATTERY RESEARCH INSTITUTE Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220112 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP02 | Change in the address of a patent holder |
Address after: 166 Kejiao Road, Jintan District, Changzhou City, Jiangsu Province Patentee after: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee before: AVIC Innovation Technology Research Institute (Jiangsu) Co.,Ltd. Patentee before: Zhongchuangxin Aviation Technology Co.,Ltd. |
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| CP02 | Change in the address of a patent holder |