CN219329299U - Battery box - Google Patents
Battery box Download PDFInfo
- Publication number
- CN219329299U CN219329299U CN202223470207.4U CN202223470207U CN219329299U CN 219329299 U CN219329299 U CN 219329299U CN 202223470207 U CN202223470207 U CN 202223470207U CN 219329299 U CN219329299 U CN 219329299U
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- Prior art keywords
- battery
- box
- heat
- insulating fixing
- side plate
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- 239000003292 glue Substances 0.000 claims abstract description 34
- 210000004027 cell Anatomy 0.000 claims description 54
- 239000002826 coolant Substances 0.000 claims description 4
- 210000005056 cell body Anatomy 0.000 claims description 2
- 239000006185 dispersion Substances 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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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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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The application discloses a battery box; the battery box comprises a box body, a box cover, a plurality of insulating fixing pieces, a battery module and first heat conducting glue, wherein the insulating fixing pieces, the battery module and the first heat conducting glue are arranged in the box body, two adjacent insulating fixing pieces are arranged in a separated mode, the battery module comprises a plurality of electric cores sleeved on the insulating fixing pieces, a first heat conducting channel is formed between the two adjacent electric cores, the first heat conducting glue is filled between the insulating fixing pieces and the box body, a plurality of first holes are formed in the insulating fixing pieces, a second heat conducting channel is formed between the electric cores and the box body, and the first heat conducting channel is communicated with the second heat conducting channel; this application establishes on the insulating mounting that is fixed in the box through a plurality of electric core cover, and forms continuous heat conduction passageway between electric core and the electric core and between electric core and the box, makes heat derive through heat conduction passageway and case lid, has improved the heat dispersion of battery box.
Description
Technical Field
The application relates to the technical field of battery energy storage, in particular to a battery box.
Background
At present, most battery enterprises are closely distributed among the battery cells for improving the energy density by locking a screw grouping structure or a battery cell laser welding process, so that heat concentration is easy to cause; meanwhile, the heat dissipation effect of the assembled product is poor, heat generated by the battery in the box body cannot flow, only the box body can dissipate heat, the energy loss is large, and the circulating service life of the battery cell is influenced.
Therefore, a battery case is needed to solve the above technical problems.
Disclosure of Invention
The application provides a battery box to solve the poor technical problem of current battery box radiating effect.
In order to solve the above problems, the technical scheme provided by the application is as follows:
the application proposes a battery box, it includes:
the box body and the box cover enclose a containing cavity;
the plurality of insulating fixing pieces are arranged in the accommodating cavity, two adjacent insulating fixing pieces are arranged separately, and a plurality of first holes are formed in at least one side face of each insulating fixing piece;
the battery module comprises a plurality of battery cores sleeved on the insulating fixing piece, wherein one battery core is correspondingly arranged with one insulating fixing piece, the size of the insulating fixing piece in a first direction is smaller than that of the battery core in the first direction, and the first direction is perpendicular to the case cover; and
the first heat-conducting glue is filled between the insulating fixing piece and the battery core and a plurality of first holes on the insulating fixing piece, and the size of the first heat-conducting glue in the first direction is smaller than or equal to that of the insulating fixing piece in the first direction;
the battery cell comprises a battery cell body, a battery cell, a box body and a plurality of battery cells, wherein a first heat conduction channel is formed between two adjacent battery cells, a second heat conduction channel is formed between the battery cells and the box body, and the first heat conduction channel is communicated with the second heat conduction channel.
In the battery box of this application, the box includes first curb plate and the second curb plate that sets up along the second direction, first curb plate with all be provided with a plurality of second holes on the second curb plate, coolant medium is through a plurality of the second hole is directed into in the box.
In the battery case of the present application, the second hole has a larger pore diameter than the first hole.
In the battery case of the present application, the shape of the first hole and the second hole may be at least one of a circle, an ellipse, or a quadrangle.
In the battery box of the application, a plurality of electric cores are arranged in an array in the accommodating cavity, each electric core is provided with an electric connecting component, and one electric core is electrically connected with the adjacent electric core through the electric connecting component.
In the battery box of the application, the interval between two adjacent electric cores in the second direction and the third direction is equal, the interval between the electric cores and the box body in the second direction and the third direction is equal, and any two of the third direction, the second direction and the first direction are perpendicular.
In the battery box of the application, a plurality of battery cells are provided with fuses.
In the battery box of this application, insulating mounting still includes inner circle and outer lane, the battery box still including set up in the inner circle with second heat conduction glue between the outer lane, second heat conduction glue with first heat conduction glue sets up in succession.
In the battery box of the application, a plurality of third holes are formed in the box cover, and the third holes correspond to the first heat conduction channels and the second heat conduction channels.
In the battery box of the application, the box body further comprises a third side plate and a fourth side plate which are arranged along a third direction, and an output terminal and a battery management module are arranged on the third side plate or/and the fourth side plate.
The beneficial effects are that: the application discloses a battery box; the battery box comprises a box body, a box cover, a plurality of insulating fixing pieces, a battery module and first heat conducting glue, wherein the insulating fixing pieces, the battery module and the first heat conducting glue are arranged in the box body, two adjacent insulating fixing pieces are arranged in a separated mode, the battery module comprises a plurality of electric cores sleeved on the insulating fixing pieces, a first heat conducting channel is formed between two adjacent electric cores, the first heat conducting glue is filled between the insulating fixing pieces and the box body, and a second heat conducting channel is formed between the electric cores and the box body, and the first heat conducting channel and the second heat conducting channel are continuous; this application establishes on the insulating mounting that is fixed in the box through a plurality of electric core cover, and forms continuous heat conduction passageway between electric core and the electric core and between electric core and the box, makes heat derive through heat conduction passageway and case lid, has improved the heat dispersion of battery box.
Drawings
Technical solutions and other advantageous effects of the present application will be made apparent from the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
FIG. 1 is a schematic view of a first construction of the battery compartment of the present application;
FIG. 2 is a schematic view of a second construction of the battery compartment of the present application;
FIG. 3 is a schematic top view of the battery box of the present application;
fig. 4 is a schematic side view of the battery box of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
Referring to fig. 1 to 4, a battery case 100 is provided, which includes a case body 10, a case cover 20, and a plurality of insulating fixing members 30, a battery module 40 and a first heat-conducting adhesive disposed in the case body 10.
In this embodiment, the case 10 and the case cover 20 are fastened, and the case 10 and the case cover 20 enclose a containing cavity 101; the plurality of insulating fixing pieces 30 are arranged in the accommodating cavity 101, two adjacent insulating fixing pieces 30 are separately arranged, and a plurality of first holes 310 are formed in at least one side surface of each insulating fixing piece 30; the battery module 40 includes a plurality of battery cells 410 sleeved on the insulating fixing member 30, wherein one battery cell 410 is disposed corresponding to one insulating fixing member 30, the dimension of the insulating fixing member 30 in a first direction X is smaller than the dimension of the battery cell 410 in the first direction X, and the first direction X is perpendicular to the case cover 20.
In this embodiment, the first heat-conducting glue may be filled between the insulating fixture 30 and the battery cell 410 and the plurality of first holes 310 on the insulating fixture 30, and the size of the first heat-conducting glue in the first direction X is smaller than or equal to the size of the insulating fixture 30 in the first direction X.
In this embodiment, a first heat conduction channel 200 is formed between two adjacent battery cells 410, a second heat conduction channel 300 is formed between the battery cells 410 and the case 10, and the first heat conduction channel 200 is communicated with the second heat conduction channel 300.
This application establishes through establishing a plurality of electric core 410 cover on the insulating mounting 30 of being fixed in box 10, adjacent two be formed with first heat conduction passageway 200 between electric core 410, electric core 410 with be formed with second heat conduction passageway 300 between the box 10, first heat conduction passageway 200 with second heat conduction passageway 300 communicates, makes heat derive through heat conduction passageway and case lid 20, simultaneously electric core 410 with fill between the insulating mounting 30 and have first heat conduction glue, the heat of electric core 410 passes through first heat conduction glue transfer to insulating mounting 30, just insulating mounting 30 with the integrative setting of box, and then increased radiating way, improved the heat dispersion of battery case 100.
The technical scheme of the present application is described below in connection with specific embodiments.
Referring to fig. 1 to 3, the case 10 may include a first side plate 110 and a second side plate 120 disposed along a second direction Y, and a third side plate 130 and a fourth side plate 140 disposed along a third direction Z, wherein a plurality of second holes 150 are formed in each of the first side plate 110 and the second side plate 120, and a cooling medium is introduced into the case 10 through the plurality of second holes 150.
In this embodiment, the first direction X is perpendicular to the case cover 20, and any two of the third direction Z, the second direction Y, and the first direction X are perpendicular.
In this embodiment, a plurality of third holes 210 are formed in the case cover 20, the plurality of third holes 210 correspond to the first heat conduction channel 200 and the second heat conduction channel 300, the plurality of third holes 210 are air outlets of the case cover 20, and heat in the case body 10 is led out from the plurality of third holes 210; second, since heat is concentrated in the first heat conduction channel 200 and the second heat conduction channel 300, the third holes 210 correspond to the first heat conduction channel 200 and the second heat conduction channel 300.
In this embodiment, the cooling medium may be air, and the first side plate 110 and the second side plate 120 are both air inlets of the case 10. External air enters the case 10 through the plurality of second holes 150 on the first side plate 110 and the second side plate 120, and passes through the first heat conduction channels 200 between the adjacent battery cells 410 and the second heat conduction channels 300 on the corresponding side walls of the battery cells 410 and the case 10 to take away the heat on the battery cells 410, and finally, the internal heat is radiated through the air outlet on the case cover 20, so that vortex between the battery cells 410 and the battery cells 410 is avoided, and the heat radiation performance of the battery case 100 is improved.
In this embodiment, referring to fig. 2, the insulating fixing member 30 further includes an inner ring 302 and an outer ring 301, the inner ring 302 may have a hollow structure with an opening, and the electric core 410 is sleeved in the inner ring 302 of the insulating fixing member 30 through the opening; meanwhile, a second heat-conducting glue is further disposed in the insulating fixing member 30 and located between the inner ring 302 and the outer ring 301, the first heat-conducting glue bonds the electric core 410 and the corresponding insulating fixing member 30, and the second heat-conducting glue and the first heat-conducting glue are continuously disposed so as to transfer heat of the electric core to the insulating fixing member 30.
In this embodiment, a plurality of first holes 310 may be disposed on four sides of the inner ring 302 of the insulating fixing member 30, and excessive second heat-conducting glue in the insulating fixing member 30 may enter between the inner ring 302 and the outer ring 301 through a plurality of first holes 310, so that the first heat-conducting glue and the second heat-conducting glue are continuously disposed, and heat in the electric core 410 may be transferred to the side plate of the case 10 through the first heat-conducting glue and the second heat-conducting glue, thereby further improving the heat dissipation capability of the battery case 100.
In this embodiment, a plurality of holes may also be provided on the outer ring 301 of the insulating fixing member 30 to increase the heat dissipation path.
In this embodiment, since the plurality of electric cores 410 in the battery module 40 are separately disposed, and a certain distance is provided between two adjacent electric cores 410, the electric cores 410 of the present application can be directly fixed on the case 10, so that parts such as end plates and packing belts or steel belts are saved, and a module assembly process can be omitted, so that the assembly production efficiency can be effectively improved, the productivity can be improved, and the manufacturing cost can be reduced; in addition, the arrangement of the first heat conduction channel 200 and the second heat conduction channel 300 can support the high-rate charge and discharge of the battery module 40, and the heat generated by the battery module 40 during the high-rate use can be taken away along with the first heat conduction channel 200 and the second heat conduction channel 300, so that the reliability of the product is improved.
In this embodiment, the second hole 150 has a larger aperture than the first hole 310. The first hole 310 is configured to guide the first heat-conducting glue in the insulating fixing member 30 between the inner ring 302 and the outer ring 301, and the first hole 310 is too large to guide the first heat-conducting glue in the inner part out of the electrical core 410 too much, so that the adhesion between the electrical core 410 and the insulating fixing member 30 is not firm; the second hole 150 is used for guiding the cooling air flow into the box 10, the second hole 150 is too small, and the cooling air is guided into the box 10 too little, so that the heat dissipation effect is poor, therefore, the aperture of the second hole 150 is larger than that of the first hole 310, the fixing of the battery cell 410 and the insulating fixing piece 30 can be ensured, and the heat dissipation performance of the battery box 100 can be ensured.
In this embodiment, the shape of the first hole 310 and the second hole 150 may be at least one of a circle, an ellipse, or a quadrangle. Referring to fig. 1 to 4, the first hole 310 may have a circular shape and the second hole 150 may have an elliptical shape.
In the battery box 100 of the present application, referring to fig. 1 to 3, a plurality of the electric cells 410 are arranged in an array in the accommodating cavity 101, each electric cell 410 is provided with an electric connection member 411, and one electric cell 410 is electrically connected with an adjacent electric cell 410 through the electric connection member 411.
In this embodiment, each of the electrical cores 410 is provided with the electrical connection member 411, and the electrical connection members 411 of two adjacent electrical cores 410 are connected by a laser welding process, so that two adjacent electrical cores 410 are electrically connected, and meanwhile, the anode of the battery module 40 is directly led to the busbar, so that the loss of current in the wire harness is reduced.
In the present embodiment, the number of the battery modules 40 in fig. 1 to 3 is 8, the 4 cells 410 arranged along the third direction Z are electrically connected to each other, and the two cells 410 adjacent to the fourth side plate 140 of the case 10 are electrically connected to each other, the number being 2×4.
In the battery box 100 of the present application, referring to fig. 3, the distances between two adjacent battery cells 410 in the second direction Y and the third direction Z are equal, and the distances between the battery cells 410 and the box 10 in the second direction Y and the third direction Z are equal.
In this embodiment, two adjacent electric cores 410 are separately disposed, and the intervals between the two adjacent electric cores 410 in the second direction Y and the third direction Z are equal, so that eddy currents between the electric cores 410 and 410 are avoided; meanwhile, since the heat between the battery cell 410 and the battery cell 410 needs to be conducted through the air outlet on the case cover 20, and the heat is required to be dissipated through the side plate of the case body 10, the interval between the battery cell 410 and the case body 10 in the second direction Y and the third direction Z is different, and the interval between the battery cell 410 and the case body 10 can be larger than the interval between the battery cell 410 and the battery cell 410, so that the channel for transferring the heat of the battery to the side plate is improved, and the heat dissipation performance of the battery case 100 is improved.
In the battery box 100 of the present application, fuses are disposed on each of the plurality of battery cells 410. In the application, each string of battery cells 410 is an independent module, so that the safety of each string of battery cells 410 can be effectively protected, and the safety and stability of products are improved; meanwhile, the battery cells 410 in the battery module 40 are connected with the battery cells 410 by using the aluminum row with fuses, so that each string of the battery cells 410 can be effectively protected when a short circuit occurs in the battery or the battery management system fails, the occurrence of thermal runaway is avoided, and the safety and the reliability of the product are improved.
In the battery case 100 of the present application, the third side plate 130 and/or the fourth side plate 140 are provided with the output terminal 60 and the battery management module 70. For example, referring to the structure of fig. 1 to 3, the output terminal 60 and the battery management module 70 are disposed on the third side plate 130.
The application discloses a battery box; the battery box comprises a box body, a box cover, a plurality of insulating fixing pieces, a battery module and first heat conducting glue, wherein the insulating fixing pieces, the battery module and the first heat conducting glue are arranged in the box body, two adjacent insulating fixing pieces are arranged in a separated mode, the battery module comprises a plurality of electric cores sleeved on the insulating fixing pieces, a first heat conducting channel is formed between the two adjacent electric cores, the first heat conducting glue is filled between the insulating fixing pieces and the box body, and a plurality of first holes in the insulating fixing pieces, a second heat conducting channel is formed between the electric cores and the box body, and the first heat conducting channel is communicated with the second heat conducting channel; this application establishes on the insulating mounting that is fixed in the box through a plurality of electric core cover, and forms continuous heat conduction passageway between electric core and the electric core and between electric core and the box, makes heat derive through heat conduction passageway and case lid, has improved the heat dispersion of battery box.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The foregoing has described in detail a battery box provided by embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are only for aiding in understanding of the technical solutions and core ideas of the present application; those of ordinary skill in the art will appreciate that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A battery box, comprising:
the box body and the box cover enclose a containing cavity;
the plurality of insulating fixing pieces are arranged in the accommodating cavity, two adjacent insulating fixing pieces are arranged separately, and a plurality of first holes are formed in at least one side face of each insulating fixing piece;
the battery module comprises a plurality of battery cores sleeved on the insulating fixing piece, wherein one battery core is correspondingly arranged with one insulating fixing piece, the size of the insulating fixing piece in a first direction is smaller than that of the battery core in the first direction, and the first direction is perpendicular to the case cover; and
the first heat-conducting glue is filled between the insulating fixing piece and the battery cell and is provided with a plurality of first holes, and the size of the first heat-conducting glue in the first direction is smaller than or equal to that of the insulating fixing piece in the first direction;
the battery cell comprises a battery cell body, a battery cell, a box body and a plurality of battery cells, wherein a first heat conduction channel is formed between two adjacent battery cells, a second heat conduction channel is formed between the battery cells and the box body, and the first heat conduction channel is communicated with the second heat conduction channel.
2. The battery box according to claim 1, wherein the box body includes a first side plate and a second side plate disposed in a second direction, and a plurality of second holes are provided in each of the first side plate and the second side plate, and a cooling medium is introduced into the box body through the plurality of second holes.
3. The battery box of claim 2, wherein the second aperture has a larger aperture than the first aperture.
4. The battery box of claim 2, wherein the first and second apertures are at least one of circular, oval, or quadrilateral in shape.
5. The battery box according to any one of claims 1 to 4, wherein a plurality of the electric cells are arranged in an array in the accommodating chamber, each electric cell is provided with an electric connection member, and one electric cell is electrically connected with an adjacent electric cell through the electric connection member.
6. The battery box according to claim 5, wherein the spacing between two adjacent cells in the second direction and the third direction are equal, the spacing between the cells and the box in the second direction and the third direction are equal, and any two of the third direction, the second direction, and the first direction are perpendicular.
7. The battery box of claim 5, wherein a plurality of said cells are each provided with a fuse.
8. The battery box of any one of claims 1 to 4, wherein the insulating fixture further comprises an inner ring and an outer ring, the battery box further comprising a second heat conductive glue disposed between the inner ring and the outer ring, the second heat conductive glue and the first heat conductive glue being disposed in series.
9. The battery box according to any one of claims 1 to 4, wherein a plurality of third holes are formed in the box cover, the plurality of third holes corresponding to the first heat conduction path and the second heat conduction path.
10. The battery box according to any one of claims 1 to 4, wherein the box body further includes a third side plate and a fourth side plate provided in a third direction, and the third side plate or/and the fourth side plate are provided with an output terminal and a battery management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223470207.4U CN219329299U (en) | 2022-12-20 | 2022-12-20 | Battery box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223470207.4U CN219329299U (en) | 2022-12-20 | 2022-12-20 | Battery box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219329299U true CN219329299U (en) | 2023-07-11 |
Family
ID=87062528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223470207.4U Active CN219329299U (en) | 2022-12-20 | 2022-12-20 | Battery box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219329299U (en) |
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2022
- 2022-12-20 CN CN202223470207.4U patent/CN219329299U/en active Active
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