CN219575789U - Portable energy storage battery pack - Google Patents
Portable energy storage battery pack Download PDFInfo
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- CN219575789U CN219575789U CN202320318148.4U CN202320318148U CN219575789U CN 219575789 U CN219575789 U CN 219575789U CN 202320318148 U CN202320318148 U CN 202320318148U CN 219575789 U CN219575789 U CN 219575789U
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- China
- Prior art keywords
- energy storage
- storage battery
- portable energy
- battery pack
- battery cell
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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
Abstract
The utility model discloses a portable energy storage battery pack which comprises a shell, a battery cell, an aluminum row and a temperature equalizing plate, wherein an avoidance hole is formed in the shell, the battery cell is arranged in the shell, a tab of the battery cell extends out of the avoidance hole, the aluminum row is connected to two ends of the battery cell and is connected with the tab of the battery cell, the aluminum row is abutted against the outer side wall of the shell, the temperature equalizing plate is positioned at two ends of the battery cell, a heat conducting gasket is arranged between the temperature equalizing plate and the aluminum row, and the temperature equalizing plate is provided with a closed vacuum cooling cavity. The portable energy storage battery pack has a good heat dissipation effect, the temperature difference between the battery cores is small, and the portable energy storage battery pack is simple in structure, convenient to carry and wide in application range.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a portable energy storage battery pack.
Background
The portable energy storage battery pack has high energy density, high lithium battery temperature, poor heat dissipation capability and thermal runaway risk. Therefore, the portable energy storage battery pack needs to be subjected to heat radiation design, the temperature difference between the battery cells is easily increased by adopting the technical scheme of forced air cooling heat radiation, the temperature consistency is poor, meanwhile, the problem of low protection level of the portable energy storage battery pack can be caused by forced air cooling, and the portable energy storage battery pack is complicated in structure and is unfavorable for portability and large in limitation by adopting the technical scheme of external circulation liquid cooling.
Disclosure of Invention
The utility model aims to provide a portable energy storage battery pack which has a good heat dissipation effect, small temperature difference between electric cores, simple structure, portability and wide application range.
In order to achieve the technical effects, the technical scheme of the utility model is as follows:
the utility model discloses a portable energy storage battery pack, which comprises: the shell is provided with an avoidance hole; the battery cell is arranged in the shell, and the electrode lugs of the battery cell extend out of the avoidance holes; the aluminum row is connected to two ends of the battery cell and connected with the lug of the battery cell, and the aluminum row is abutted against the outer side wall of the shell; and the temperature equalizing plate is positioned at two ends of the battery cell, a heat conducting gasket is arranged between the temperature equalizing plate and the aluminum row, and the temperature equalizing plate is provided with a closed vacuum cooling cavity.
In some embodiments, the housing includes an upper case and a lower case, which are connected to both ends of the battery cell, respectively.
In some more specific embodiments, the upper case has a first mounting hole that mates with one end of the battery cell, and the lower case has a second mounting hole that mates with the other end of the battery cell.
In some embodiments, the top wall and the bottom wall of the shell are respectively provided with a mounting groove, and the aluminum row, the temperature equalizing plate and the heat conducting gasket are all arranged in the mounting grooves.
In some specific embodiments, the installation groove and the connection gap between the aluminum row and the tab are filled with heat-conducting glue.
In some embodiments, each Wen Banbao comprises a plate body, wherein the plate body is provided with the vacuum cooling cavity with two open ends, and the two ends of the plate body are flattened and then sealed.
In some specific embodiments, the cooling fluid within the vacuum cooling chamber comprises any one of ethanol, acetone, difluoromethane, trichloroethane.
In some embodiments, the vacuum cooling chambers are multiple, each vacuum cooling chamber extends along the length direction of the temperature equalizing plate, and the vacuum cooling chambers are arranged at intervals along the width direction of the temperature equalizing plate.
In some embodiments, the thermally conductive gasket is a silicone gasket.
In some embodiments, the cell is a cylindrical cell.
The portable energy storage battery pack has the beneficial effects that: adopt the cooling that samming board realized electric core and aluminium were arranged, under the prerequisite of simplifying the structure of whole portable energy storage battery package, have better radiating effect, and the difference in temperature between the electric core is less.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of a portable energy storage battery pack according to an embodiment of the present utility model;
fig. 2 is an exploded view of a portable energy storage battery pack according to an embodiment of the present utility model;
FIG. 3 is a schematic view showing the internal structure of a temperature equalization plate according to an embodiment of the present utility model;
FIG. 4 is a partial cross-sectional view of a cryopanel of the present utility model.
Reference numerals:
100. a housing; 110. an upper case; 120. a lower case; 101. avoidance holes; 102. a mounting groove;
200. a battery cell; 210. a tab;
300. an aluminum row;
400. a temperature equalizing plate; 410. a plate body; 411. a vacuum cooling chamber;
500. a thermally conductive gasket.
Detailed Description
In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly. 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.
The specific structure of the portable energy storage battery pack according to the embodiment of the present utility model is described below with reference to fig. 1 to 4.
The utility model discloses a portable energy storage battery pack, as shown in fig. 1-2, the portable energy storage battery pack of the embodiment comprises a shell 100, a battery cell 200, an aluminum row 300 and a temperature equalizing plate 400, wherein an avoidance hole 101 is formed in the shell 100, the battery cell 200 is arranged in the shell 100, a tab 210 of the battery cell 200 extends out of the avoidance hole 101, the aluminum row 300 is connected to two ends of the battery cell 200 and is connected with the tab 210 of the battery cell 200, the aluminum row 300 is abutted against the outer side wall of the shell 100, the temperature equalizing plate 400 is positioned at two ends of the battery cell 200, a heat conducting gasket 500 is arranged between the aluminum row 300, and the temperature equalizing plate 400 is provided with a closed vacuum cooling cavity 411. It can be understood that the vacuum cooling cavity 411 of the temperature equalizing plate 400 can be filled with a liquid with a lower melting point and then vacuumized, and the heated liquid is evaporated into gas to fill the whole vacuum cooling cavity 411, and the temperature equalizing plate 400 is located at two ends of the battery cells 200, so that the temperature of the battery cells 200 can be reduced uniformly by the temperature equalizing plate 400, and the temperature difference between the battery cells 200 is ensured to be smaller. In this embodiment, the temperature equalization plate 400 is used to cool the battery cell 200 and the aluminum row 300, so that the structure of the whole portable energy storage battery pack is simplified, the heat dissipation effect is better, and the temperature difference between the battery cells 200 is smaller.
It should be noted that, the aluminum row 300 may implement the serial connection and/or the parallel connection of the plurality of battery cells 200 according to actual needs, and the connection relationship of the plurality of battery cells 200 is not specifically limited herein.
In some embodiments, as shown in fig. 1-2, the housing 100 includes an upper case 110 and a lower case 120, and the upper case 110 and the lower case 120 are connected to both ends of the battery cell 200, respectively. It can be appreciated that, compared with the complete housing 100, the technical scheme that the upper housing 110 and the lower housing 120 are respectively used for fixing two ends of the battery cell 200 is adopted, so that on one hand, the structure of the housing 100 can be simplified, the weight of the whole portable energy storage battery pack can be reduced, on the other hand, the stability of the battery cell 200 can be ensured, and the shaking phenomenon of the battery cell 200 can be avoided.
In some more specific embodiments, the upper case 110 has a first mounting hole (not shown) that mates with one end of the battery cell 200, and the lower case 120 has a second mounting hole (not shown) that mates with the other end of the battery cell 200. It can be appreciated that in the actual installation process, the lower ends of the plurality of battery cells 200 are inserted into the second installation hole, and then the upper shell 110 is buckled to the upper ends of the plurality of battery cells 200, so that on one hand, the assembly of the whole portable energy storage battery pack is facilitated, the assembly efficiency of the portable energy storage battery pack is improved, and on the other hand, the installation stability of the battery cells 200 is ensured, thereby improving the reliability of the portable energy storage battery pack.
In some embodiments, as shown in fig. 1, the top wall and the bottom wall of the housing 100 are respectively provided with a mounting groove 102, and the aluminum row 300, the temperature equalizing plate 400 and the heat conducting pad 500 are all disposed in the mounting groove 102. It can be appreciated that the aluminum row 300, the temperature equalizing plate 400 and the heat conducting gasket 500 are all arranged in the mounting groove 102, so that on one hand, the aluminum row 300, the temperature equalizing plate 400 and the heat conducting gasket 500 can be protected, and on the other hand, the mounting groove 102 can limit the temperature equalizing plate 400 and the heat conducting gasket 500, so that the temperature equalizing plate 400 and the heat conducting gasket 500 are prevented from shaking relative to the shell 100, and the reliability of the portable energy storage battery pack is ensured.
In some specific embodiments, the connection gaps of the mounting groove 102 and the aluminum row 300 and the tab 210 are filled with a heat conductive adhesive (not shown). It can be appreciated that the added heat-conducting glue can conveniently transfer the heat of the battery tab 210 and the heat of the aluminum busbar 300 to the temperature equalizing plate 400, so as to ensure the heat dissipation efficiency of the portable energy storage battery pack and the use reliability of the portable energy storage battery pack.
In some embodiments, as shown in fig. 4, the temperature equalization plate 400 includes a plate body 410, wherein a vacuum cooling chamber 411 with two open ends is provided on the plate body 410, and the vacuum cooling chamber 411 is sealed after the two ends of the plate body 410 are flattened. It will be appreciated that in the actual manufacturing process, the two ends of the plate body 410 may be flattened to seal the vacuum cooling cavity 411, then the cooling liquid is injected and finally vacuumized, and the liquid injection hole and the vacuumized hole are sealed after the completion, so that the cooling liquid can be conveniently injected into the temperature equalization plate 400.
In some specific embodiments, the cooling fluid within the vacuum cooling chamber 411 comprises any one of ethanol, acetone, difluoromethane, trichloroethane. It can be understood that the melting boiling points of ethanol, acetone, difluoromethane and trichloroethane are low, when the cell 200 generates heat, the liquid is easily gasified, and a great amount of heat is required to be absorbed by the gasification, so that the temperature of the cell 200 is well reduced. Of course, in other embodiments of the present utility model, the vacuum cooling chamber 411 may also select other liquids according to actual needs, and is not limited to the above.
In some embodiments, as shown in fig. 3, the vacuum cooling chambers 411 are plural, each vacuum cooling chamber 411 extends along the length direction of the temperature uniformity plate 400, and the plural vacuum cooling chambers 411 are disposed at intervals along the width direction of the temperature uniformity plate 400. Compared with a complete vacuum cooling cavity 411, a plurality of vacuum cooling cavities 411 are arranged, and each vacuum cooling cavity 411 can be arranged corresponding to a row of electric cells 200, so that the electric cells 200 can be cooled better, and the reliability of the portable energy storage battery pack is ensured.
In some embodiments, the thermally conductive gasket 500 is a silicone gasket. It can be appreciated that the silica gel pad can better ensure insulation between the aluminum row 300 and the temperature equalization plate 400, and the silica gel has better heat conducting property, so that heat on the aluminum row 300 and the battery cell 200 can be transferred to the temperature equalization plate 400 more quickly.
In some embodiments, the cell 200 is a cylindrical cell. Of course, in other embodiments of the present utility model, the cell 200 may have other shapes.
Examples:
as shown in fig. 1-4, the portable energy storage battery pack of the present embodiment includes a housing 100, a battery cell 200, an aluminum row 300 and a temperature equalizing plate 400, where the housing 100 includes an upper housing 110 and a lower housing 120, the upper housing 110 and the lower housing 120 are respectively connected to two ends of the battery cell 200, the upper housing 110 and the lower housing 120 are respectively provided with a avoiding hole 101 and a mounting groove 102, the upper housing 110 has a first mounting hole (not shown) matched with one end of the battery cell 200, and the lower housing 120 is provided with a second mounting hole (not shown) matched with the other end of the battery cell 200. The tab 210 of electric core 200 stretches out and dodges hole 101, and aluminium row 300 is connected in the both ends of electric core 200, and is connected with the tab 210 of electric core 200, and aluminium row 300 installs in the mounting groove 102 of casing 100, and samming board 400 includes board body 410, is equipped with a plurality of vacuum cooling chambers 411 on the board body 410, and every vacuum cooling chamber 411 extends along the length direction of samming board 400, and a plurality of vacuum cooling chambers 411 are along the width direction interval setting of samming board 400. A heat conducting gasket 500 is arranged between the temperature equalizing plate 400 and the aluminum row 300, and the temperature equalizing plate 400 is provided with a closed vacuum cooling cavity 411. The cooling liquid in the vacuum cooling chamber 411 includes any one of ethanol, acetone, difluoromethane, and trichloroethane. The connection gap between the mounting groove 102 and the aluminum row 300 and the tab 210 is filled with a heat conductive adhesive (not shown)
The portable energy storage battery pack of this embodiment has the following advantages:
first: the gap between the aluminum row 300 and the lug 210 is additionally filled with heat-conducting glue, so that the heat of the battery lug 210 and the heat of the aluminum row 300 are conveniently transferred to the temperature equalizing plate 400, and the heat dissipation efficiency of the portable energy storage battery pack is ensured;
second,: the battery cell 200 and the aluminum row 300 are cooled by adopting the temperature equalizing plate 400, so that a good heat dissipation effect is achieved, and the temperature difference between the battery cells 200 is small;
thirdly, simple structure conveniently carries, and application scope is wide.
In the description of the present specification, reference to the term "some embodiments," "other embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely exemplary of the present utility model, and those skilled in the art should not be considered as limiting the utility model, since modifications may be made in the specific embodiments and application scope of the utility model in light of the teachings of the present utility model.
Claims (10)
1. Portable energy storage battery package, its characterized in that includes:
the device comprises a shell (100), wherein an avoidance hole (101) is formed in the shell (100);
the battery cell (200) is arranged in the shell (100), and a tab (210) of the battery cell (200) extends out of the avoidance hole (101);
the aluminum row (300) is connected to two ends of the battery cell (200) and is connected with the lug (210) of the battery cell (200), and the aluminum row (300) is abutted against the outer side wall of the shell (100);
the temperature equalization plate (400), temperature equalization plate (400) are located at two ends of electric core (200), and be equipped with heat conduction gasket (500) with between the aluminium row (300), temperature equalization plate (400) have confined vacuum cooling chamber (411).
2. The portable energy storage battery pack according to claim 1, wherein the housing (100) comprises an upper case (110) and a lower case (120), the upper case (110) and the lower case (120) being connected to both ends of the battery cell (200), respectively.
3. The portable energy storage battery pack according to claim 2, wherein the upper case (110) has a first mounting hole that mates with one end of the battery cell (200), and the lower case (120) is provided with a second mounting hole that mates with the other end of the battery cell (200).
4. The portable energy storage battery pack according to claim 1, wherein the top wall and the bottom wall of the housing (100) are respectively provided with a mounting groove (102), and the aluminum row (300), the temperature equalizing plate (400) and the heat conducting gasket (500) are all arranged in the mounting grooves (102).
5. The portable energy storage battery pack according to claim 4, wherein the mounting groove (102) and the connection gap between the aluminum row (300) and the tab (210) are filled with heat conductive glue.
6. The portable energy storage battery pack according to any one of claims 1-5, wherein the temperature equalization plate (400) comprises a plate body (410), the plate body (410) is provided with the vacuum cooling cavity (411) with two open ends, and the vacuum cooling cavity (411) is sealed after the two ends of the plate body (410) are flattened.
7. The portable energy storage battery pack of claim 6, wherein the cooling fluid within the vacuum cooling chamber (411) comprises any one of ethanol, acetone, difluoromethane, trichloroethane.
8. The portable energy storage battery pack according to claim 6, wherein the vacuum cooling chambers (411) are plural, each vacuum cooling chamber (411) extends in a length direction of the temperature equalization plate (400), and the plural vacuum cooling chambers (411) are arranged at intervals in a width direction of the temperature equalization plate (400).
9. The portable energy storage battery pack of any of claims 1-5, wherein the thermally conductive gasket (500) is a silicone gasket.
10. The portable energy storage battery pack according to any of claims 1-5, wherein the cells (200) are cylindrical cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318148.4U CN219575789U (en) | 2023-02-27 | 2023-02-27 | Portable energy storage battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320318148.4U CN219575789U (en) | 2023-02-27 | 2023-02-27 | Portable energy storage battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219575789U true CN219575789U (en) | 2023-08-22 |
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ID=87672395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320318148.4U Active CN219575789U (en) | 2023-02-27 | 2023-02-27 | Portable energy storage battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219575789U (en) |
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2023
- 2023-02-27 CN CN202320318148.4U patent/CN219575789U/en active Active
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