CN212625873U - Battery thermal management device - Google Patents
Battery thermal management device Download PDFInfo
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- CN212625873U CN212625873U CN202021787515.8U CN202021787515U CN212625873U CN 212625873 U CN212625873 U CN 212625873U CN 202021787515 U CN202021787515 U CN 202021787515U CN 212625873 U CN212625873 U CN 212625873U
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- battery
- cell
- thermal management
- cylinder
- management device
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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 battery heat management device, which comprises a plurality of battery cell assembling groups, wherein the battery cell assembling groups are arranged side by side and are connected in sequence; each battery cell assembling group comprises at least one battery cell assembler, and each battery cell assembler is provided with at least one accommodating cavity which is used for assembling a single battery cell. The utility model discloses in every the electricity core assembler all has at least one and holds the chamber, and every it all is used for assembling single electric core to hold the chamber to make can carry out the heat management to single electric core respectively, to other electric cores production influences when having avoided single electric core to take place unusually.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a battery heat management device.
Background
At present, the widely used heat management mode in the lithium battery is to install metal radiating fins, heat conducting gaskets, air cooling devices or liquid cooling devices, and the four heat management modes are basically to control the overall temperature of the lithium battery, so that the problem of heat of a single lithium battery cannot be effectively solved. When the lithium battery works, heat can be continuously generated, particularly when the temperature of a single battery cell is abnormal, the heat management method has limited effect, the problem of temperature rise of the single battery cell and the whole lithium battery cannot be controlled, finally, the single abnormal battery cell can affect the safe use of other battery cells of the battery pack, and the lithium battery can be in a fault state after being in the bad state for a long time, so that the lithium battery can finally generate the bad conditions of spontaneous combustion and the like.
Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide a battery thermal management device, aim at solving the problem that can't carry out thermal management to single electric core among the prior art.
The utility model provides a technical scheme that technical problem adopted as follows:
a battery thermal management device comprises a plurality of battery cell assembling groups, wherein the battery cell assembling groups are arranged side by side and are sequentially connected; each battery cell assembling group comprises at least one battery cell assembler, and each battery cell assembler is provided with at least one accommodating cavity which is used for assembling a single battery cell.
The battery heat management device is characterized in that the battery cell assembling group comprises two battery cell assembling devices which are connected with each other, and the arrangement direction of the two battery cell assembling devices is perpendicular to the arrangement direction of the plurality of battery cell assembling groups.
The battery heat management device is characterized in that the number of the accommodating cavities contained in each cell assembly group is the same.
The battery heat management device comprises a battery core assembler, a battery shell and a battery cover, wherein the battery core assembler comprises a straight cylinder part, a metal sleeve and two cylinder covers, and the metal sleeve is sleeved on the straight cylinder part; the two cylinder covers are respectively arranged at two ends of the straight cylinder part, and the two cylinder covers are detachably connected with the metal sleeve.
The battery heat management device, wherein, it is protruding to set up a plurality of card on the metal covering, be provided with a plurality of draw-in groove on the cover, a plurality of draw-in groove and a plurality of the protruding one-to-one adaptation of card, the metal covering passes through the card protruding with the cooperation of draw-in groove respectively with two the connection can be dismantled to the cover.
The battery heat management device is characterized in that the straight cylinder part and the two cylinder covers are both made of composite phase-change materials.
The battery heat management device is characterized in that the battery cell accommodating cavity comprises a straight cylinder accommodating part and a cylinder cover accommodating part, the straight cylinder accommodating part is positioned in the straight cylinder part, the cylinder cover accommodating part is positioned in the cylinder cover, and two ends of the cylinder cover accommodating part are both open.
The battery thermal management device further comprises a plurality of connecting pieces, and the adjacent two battery core assembling groups are detachably connected through the connecting pieces.
The battery heat management device is characterized in that the barrel cover is provided with a plurality of fixing holes, the connecting piece is provided with a plurality of inserting columns, and the adjacent two battery cell assembling groups are detachably connected with the inserting columns through the fixing holes in a matched mode.
The battery heat management device is characterized in that the barrel cover is provided with a limiting part, and the connecting piece is provided with a protruding part matched with the limiting part.
Has the advantages that: the utility model discloses in every the electricity core assembler all has at least one and holds the chamber, and every it all is used for assembling single electric core to hold the chamber to make can carry out the heat management to single electric core respectively, to other electric cores production influences when having avoided single electric core to take place unusually.
Drawings
Fig. 1 is a schematic structural view of a battery thermal management device according to the present invention equipped with a battery cell;
fig. 2 is an exploded view of the battery thermal management device of the present invention with an assembled cell;
fig. 3 is an assembly schematic diagram of the cell assembler using the novel medium single cartridge;
figure 4 is an exploded schematic view of the cell assembler using the novel medium single cartridge;
fig. 5 is an assembly schematic diagram of the cell assembler using the novel double tube;
fig. 6 is an exploded view of the cell assembler using the novel double barrel;
fig. 7 is an assembly schematic diagram of the cell assembler using the novel medium three cartridge;
figure 8 is an exploded view of the cell assembler using the novel medium three barrel;
fig. 9 is a schematic structural view of the first connecting member according to the present invention;
fig. 10 is a schematic structural view of the second connecting member according to the present invention;
the labels in the figures are: 10: cell assembly group, 20: cell assembler, 21: straight tube portion, 22: cartridge cover, 221: card slot, 23: metal sleeve, 231: snap, 30: accommodation chamber, 31: straight-tube housing portion, 32: cartridge cover accommodating portion, 40: connector, 41: first connecting member, 42: second connector, 50: fixing hole, 60: plug-in column, 70: spacing portion, 80: boss, 90: groove of stepping down, 100: and (5) battery cores.
Detailed Description
The utility model provides a battery heat management device, for making the utility model discloses a purpose, technical scheme and advantage are clearer, make clear and definite, and it is right that the following refers to the attached drawing and the embodiment of lifting the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The following description of the embodiments will further explain the present invention by referring to the figures.
The utility model provides a battery heat management device, as shown in fig. 1-8, it includes a plurality of electric core assembly groups 10, and is a plurality of electric core assembly groups 10 arranges side by side and connects gradually, for example, every electric core assembly groups 10 is along the perpendicular to a plurality of the length homogeneous phase of the direction that electric core assembly groups 10 arranged, battery heat management device is the cuboid structure. Each of the cell assembly groups 10 includes at least one cell assembly 20, the cell assembly 20 has at least one accommodation cavity 30, and the accommodation cavity 30 is used for assembling a single battery cell 100; when each accommodating cavity 30 of the battery thermal management device is assembled with the battery cell 100, the battery cells 100 are respectively and individually assembled in each accommodating cavity 30, and the accommodating cavities 30 are mutually independent and not communicated with each other, so that the individual assembly of the battery cells 100 and the thermal management of a single battery cell 100 are realized.
The utility model discloses in every electric core assembler 20 all has at least one and holds chamber 30, and every it all is used for assembling single electric core 100 to hold chamber 30 to make can carry out the thermal management to single electric core 100 respectively, to other electric cores 100 production influences when having avoided single electric core 100 to take place unusually.
The number of the accommodating cavities 30 included in each of the cell assembling groups 10 is the same, for example, as shown in fig. 1, the number of the cell assembling groups 10 is 10, each of the cell assembling groups 10 includes 2 cell assemblers 20 connected to each other, and the arrangement direction of the 2 cell assemblers 20 is perpendicular to the arrangement direction of the plurality of cell assembling groups 10, and each of the cell assemblers 20 has 2 accommodating cavities 30, that is, each of the cell assembling groups 10 includes 4 accommodating cavities 30, and two of the accommodating cavities 30 are respectively disposed on the 2 cell assemblers 20.
The battery cell assembler 20 comprises a straight cylinder part 21, a metal sleeve 23 and two cylinder covers 22, wherein the metal sleeve 23 is sleeved on the straight cylinder part 21, and the two cylinder covers 22 are respectively arranged at two ends of the straight cylinder part 21; the length of the metal sleeve 23 is longer than that of the straight cylinder part 21, both ends of the metal sleeve 23 protrude out of the end surface of the straight cylinder part 21, the cylinder cover 22 is partially positioned in the metal sleeve 23 and abuts against the straight cylinder part 21, and the cylinder cover 22 is detachably connected with the metal sleeve 23; because the cylinder covers 22 are arranged at two ends of the straight cylinder part 21, the metal sleeve 23 is sleeved outside the straight cylinder part 21, and two ends of the metal sleeve 23 are detachably connected with the two cylinder covers 22, the straight cylinder part 21 is fixed and limited in a cavity formed by the metal sleeve 23 and the two cylinder covers 22 and cannot move randomly.
The straight cylinder part 21 and the two cylinder covers 22 are both formed by injection molding of composite phase change materials, the composite phase change materials have heat storage and temperature control capacity, and one accommodating cavity 30 is only provided with one battery cell 100, so that the battery cells 100 are isolated by the composite phase change materials, and temperature control and equalization are performed on each battery cell 100. Further, the metal sleeve 23 utilizes high heat conductivity of metal, so that heat can be rapidly conducted out, heat accumulation is reduced, and the heat conductivity and temperature equalization capability of the whole battery pack can be further improved by the metal sleeve 23.
Set up the protruding 231 of a plurality of card on the metal covering 23, lie in on the cover 22 part in the metal covering 23 is provided with a plurality of draw-in groove 221, a plurality of draw-in groove 221 and a plurality of the protruding 231 one-to-one adaptation of card, the metal covering 23 passes through the protruding 231 of card with the cooperation of draw-in groove 221 respectively with two the connection can be dismantled to the cover 22, for example, work as straight section of thick bamboo portion 21 has one when holding chamber 30, all have one on every face of metal covering 23 the protruding 231 of card, all have one on every face of cover 22 lateral wall with the draw-in groove 221 that the protruding 231 of card corresponds.
The battery cell 100 accommodating cavity 30 comprises a straight cylinder accommodating part 31 and a cylinder cover accommodating part 32, and the straight cylinder accommodating part 31 is communicated with the cylinder cover accommodating part 32; the straight cylinder accommodating part 31 is positioned in the straight cylinder part 21, the cylinder cover accommodating part 32 is positioned in the cylinder cover 22, and both ends of the cylinder cover accommodating part 32 are open; the shape of the battery cell 100 accommodating cavity 30 is matched with the shape of the cylindrical battery cell 100, so that the battery cell 100 is compactly installed in the battery cell 100 accommodating cavity 30, and the installation stability of the battery cell 100 is ensured.
The cell assembly 20 can be a single cartridge, a double cartridge or a multi-cartridge, i.e., the cell assembly 20 can have one accommodating chamber 30, two accommodating chambers 30 or a plurality of accommodating chambers 30.
In one embodiment, as shown in fig. 3 to 4, the cell assembler 20 is of a single-barrel structure, that is, the cell assembler 20 has only one accommodating cavity 30, and only one cell 100 can be mounted on one cell assembler 20; the straight tube portion 21 has only one straight tube housing portion 31, and correspondingly, the two tube covers 22 corresponding to the straight tube portion 21 also have only one tube cover housing portion 32.
In another embodiment, as shown in fig. 5 to 6, the cell assembly 20 is a double-barrel structure, that is, the cell assembly 20 has two accommodating cavities 30, and one cell assembly 20 can mount two cells 100; the straight cylinder part 21 has two straight cylinder accommodating parts 31, correspondingly, two cylinder covers 22 corresponding to the straight cylinder part 21 are also provided with two cylinder cover accommodating parts 32, and the two cylinder cover accommodating parts 32 on each cylinder cover 22 are respectively communicated with the two straight cylinder accommodating parts 31 in a one-to-one correspondence manner.
In another embodiment, as shown in fig. 7 to 8, the cell assembler 20 has a three-barrel structure, that is, the cell assembler 20 has three accommodating cavities 30, the three accommodating cavities 30 are uniformly spaced, and one cell assembler 20 can mount three cells 100; the straight cylinder is provided with three straight cylinder accommodating parts 31, correspondingly, two cylinder covers 22 corresponding to the straight cylinder are also provided with three cylinder cover accommodating parts 32 respectively, and the three cylinder cover accommodating parts 32 on each cylinder cover 22 are communicated with the three straight cylinder accommodating parts 31 in a one-to-one correspondence manner respectively.
Every electric core assembly group 10 can be through a plurality of single-tube electric core assembler 20 assembles and forms, also can be through a plurality of binocular or a plurality of tee bend electric core assembler 20 assembles and forms, certainly, also can be through a plurality of single-tube, binocular and three electric core assembler 20 mixes the assembly and forms, the utility model discloses in do not do the restriction to this, but need guarantee every electric core assembly group 10 contains hold the quantity homogeneous phase in chamber 30, specifically can be according to the nimble selection and the equipment of the series-parallel demand when the assembly.
The battery thermal management device further comprises a plurality of connecting pieces 40, the connecting pieces 40 are arranged at the connecting positions between the battery cell assembling devices 20, and two adjacent battery cell assembling groups 10 are detachably connected through the connecting pieces 40. Adjacent two can be through one, also can be through a plurality of between the electricity core assembler 20 the connecting piece is connected, the utility model discloses in not so as the limit.
The barrel cover 22 is provided with a plurality of fixing holes 50, for example, corresponding to the battery cell assembler 20 with a single barrel structure, the battery cell assembler 20 is of a rectangular structure, one side of the barrel cover 22 away from the straight barrel is square, the barrel cover 22 is provided with 4 fixing holes 50, and the 4 fixing holes 50 are respectively located at four corners of the barrel cover 22 and are arranged in a matrix form; each of the cartridge cover accommodating portions 32 is provided with 4 fixing holes 50 on the periphery, so that the cell assembler 20 has a double-cartridge structure, each of the cartridge covers 22 has 8 fixing holes 50, and the cell assembler 20 has a three-cartridge structure, and each of the cartridge covers 22 has 12 fixing holes 50; as shown in fig. 9 to 10, a plurality of insertion posts 60 adapted to the fixing holes 50 are disposed on the connecting member 40, and two adjacent battery cell assemblers 20 are detachably connected to each other through the fitting of the fixing holes 50 and the insertion posts 60.
The connecting member 40 comprises a first connecting member 41 and a second connecting member 42, and as shown in fig. 9, 4 insertion columns 60 are arranged on the first connecting member 41; as shown in fig. 10, 2 insertion posts 60 are disposed on the second connecting member 42, for example, every two of the fixing holes 50 on the outer edge of the battery thermal management device correspond to each other, the second connecting member 42 is correspondingly disposed at the position, and the second connecting member 42 is inserted into and matched with the two fixing holes 50 through the two insertion posts 60, so as to connect and fix the two adjacent battery cell assemblers 20; the fixing holes 50 on the inner side of the battery thermal management device are all 4 corresponding to each other and arranged in a matrix, the first connecting piece 41 is correspondingly arranged at the position, and the first connecting piece 41 is in inserting fit with the fixing holes 50 through the inserting columns 60.
The barrel cover 22 is provided with a limiting part 70, the connecting piece is provided with a boss 80 matched with the limiting part 70, for example, the barrel cover 22 is provided with a plurality of limiting parts 70 corresponding to the periphery of the accommodating cavity 30 of each barrel cover 22, and each first connecting piece 41 is provided with a plurality of bosses 80; the plurality of protruding portions 80 of the first connecting member 41 are respectively fixed to the corresponding plurality of limiting portions 70 in a clamping manner, so that the connecting member can be firmly connected to the cell assembler 20, and firmness among the cell assembling groups 10 is ensured.
The opening in cover container part 32 both ends, the length of electric core 100 is longer than straight section of thick bamboo container part 31 and with two that straight section of thick bamboo container part 31 corresponds the length sum of cover container part 32, electric core 100 bulge slightly in cover 22's surface promptly, consequently the connecting piece orientation cover 22 one side has the groove of stepping down 90, the groove of stepping down 90 is used for stepping down for the assembly of electric core 100.
To sum up, the utility model provides a battery thermal management device, which comprises a plurality of battery cell assembling groups, wherein the battery cell assembling groups are arranged side by side and are connected in sequence; each battery cell assembling group comprises at least one battery cell assembler, and each battery cell assembler is provided with at least one accommodating cavity which is used for assembling a single battery cell. The utility model discloses in every the electricity core assembler all has at least one and holds the chamber, and every it all is used for assembling single electric core to hold the chamber to make can carry out the heat management to single electric core respectively, to other electric cores production influences when having avoided single electric core to take place unusually.
It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (10)
1. The battery thermal management device is characterized by comprising a plurality of battery cell assembling groups, wherein the battery cell assembling groups are arranged side by side and are sequentially connected; each battery cell assembling group comprises at least one battery cell assembler, and each battery cell assembler is provided with at least one accommodating cavity which is used for assembling a single battery cell.
2. The battery thermal management apparatus of claim 1, wherein the cell assembling group comprises two cell assemblers connected to each other, and an arrangement direction of the two cell assemblers is perpendicular to an arrangement direction of the plurality of cell assembling groups.
3. The battery thermal management apparatus of claim 1, wherein each of the cell assembly groups comprises the same number of receiving cavities.
4. The battery thermal management device according to claim 1, wherein the cell assembler comprises a straight cylinder part, a metal sleeve and two cylinder covers, wherein the metal sleeve is sleeved on the straight cylinder part; the two cylinder covers are respectively arranged at two ends of the straight cylinder part, and the two cylinder covers are detachably connected with the metal sleeve.
5. The battery thermal management device according to claim 4, wherein a plurality of clamping protrusions are arranged on the metal sleeve, a plurality of clamping grooves are arranged on the cylinder cover, the clamping grooves are matched with the clamping protrusions one by one, and the metal sleeve is detachably connected with the two cylinder covers respectively through the matching of the clamping protrusions and the clamping grooves.
6. The battery thermal management apparatus of claim 4, wherein the straight barrel portion and both of the barrel caps are of a composite phase change material.
7. The battery thermal management device according to claim 4, wherein the cell accommodating cavity comprises a straight cylinder accommodating part and a cylinder cover accommodating part, the straight cylinder accommodating part is located in the straight cylinder part, the cylinder cover accommodating part is located in the cylinder cover, and both ends of the cylinder cover accommodating part are open.
8. The battery thermal management device according to claim 4, further comprising a plurality of connecting members, wherein two adjacent cell assembling groups are detachably connected through the connecting members.
9. The battery thermal management device according to claim 8, wherein a plurality of fixing holes are formed in the cover, a plurality of insertion posts are formed in the connecting member, and two adjacent cell assembling groups are detachably connected with the insertion posts through the fixing holes.
10. The battery thermal management device according to claim 8, wherein the cap has a position-limiting portion, and the connecting member has a protrusion that engages with the position-limiting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021787515.8U CN212625873U (en) | 2020-08-24 | 2020-08-24 | Battery thermal management device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021787515.8U CN212625873U (en) | 2020-08-24 | 2020-08-24 | Battery thermal management device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212625873U true CN212625873U (en) | 2021-02-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021787515.8U Active CN212625873U (en) | 2020-08-24 | 2020-08-24 | Battery thermal management device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212625873U (en) |
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2020
- 2020-08-24 CN CN202021787515.8U patent/CN212625873U/en active Active
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