CN111224027A - Battery module and battery core mounting seat thereof - Google Patents
Battery module and battery core mounting seat thereof Download PDFInfo
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- CN111224027A CN111224027A CN201811427886.2A CN201811427886A CN111224027A CN 111224027 A CN111224027 A CN 111224027A CN 201811427886 A CN201811427886 A CN 201811427886A CN 111224027 A CN111224027 A CN 111224027A
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- battery
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- 230000002093 peripheral effect Effects 0.000 claims abstract description 18
- 230000003044 adaptive effect Effects 0.000 claims abstract description 5
- 230000000903 blocking effect Effects 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 10
- 230000037431 insertion Effects 0.000 claims description 10
- 230000000452 restraining effect Effects 0.000 claims description 10
- 239000000853 adhesive Substances 0.000 claims description 7
- 230000001070 adhesive effect Effects 0.000 claims description 7
- 239000012782 phase change material Substances 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 26
- 230000009286 beneficial effect Effects 0.000 description 14
- 230000005611 electricity Effects 0.000 description 14
- 238000010030 laminating Methods 0.000 description 7
- 230000006978 adaptation Effects 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical group C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6552—Closed pipes transferring heat by thermal conductivity or phase transition, e.g. heat pipes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery module and a battery cell mounting seat thereof, which comprise a battery cell unit formed by placing a plurality of battery cells with regular triangle, square or regular hexagon cross sections on the battery cell mounting seat side by side, wherein the battery cell mounting seat comprises a constraint frame, a containing cavity for inserting the battery cell unit is arranged in the constraint frame, the constraint frame is provided with a constraint inner wall surface which is matched and attached with the peripheral outer surface of the battery cell unit so as to prevent the battery cell unit from expanding outwards, and the shape of the peripheral adaptive part of the constraint inner wall surface and a single battery cell is a part of a cylinder with a regular triangle, square or regular hexagon cross section, so that the expansion and deformation of the battery cells arranged on the battery cell mounting seat are effectively limited.
Description
Technical Field
The invention particularly relates to a battery module and a battery cell mounting seat thereof.
Background
With the popularization and the use of new energy vehicles in a large quantity, the use of power batteries is more and more. When the power battery is used, the volume of the power battery is increased due to the fact that the internal chemical reaction of the power battery can cause the expansion of the material of the power battery, when the power battery is grouped, the volume of the power battery is increased, acting force can be generated between two adjacent batteries and between the batteries and a battery frame, the acting force can be continuously increased along with the increase of the circulation of the batteries and the continuous increase of the volume of the batteries, and therefore the existing power battery is provided with a cooling device in an over-fitting mode.
For example, chinese patent application publication No. CN108550753A discloses a liquid-cooled battery module and a new energy automobile, where the battery module includes a battery cell fixing plate, multiple rows of single battery cells are mounted on the battery cell fixing plate, flat liquid-cooled tubes are wound between the multiple rows of single battery cells to dissipate heat of the battery cells wrapped by the flat liquid-cooled tubes, and two baffles are disposed at two opposite side edges of the battery cell fixing plate to limit the battery cells. However, because the battery is heated the inflation and is irreversible, this kind of battery module is when using, in case because the short-term trouble of liquid cooling system or short-term cooling are not in place, appear transient cooling blank period, though can not cause the battery because of serious problems such as the too high damage of temperature or explosion, nevertheless still can lead to electric core intensification inflation, cause great extrusion force to electric core fixed plate and baffle, long-time use leads to electric core fixed plate and baffle to warp, damage.
Disclosure of Invention
The invention aims to provide a battery cell mounting seat which is used for solving the problem that a battery module in the prior art cannot effectively limit the expansion and deformation of a battery cell; still lie in providing a battery module who uses this electricity core mount pad for solve prior art's battery module and can't effectively restrict the problem of electric core expansion deformation.
In order to achieve the purpose, the technical scheme of the battery cell mounting seat provided by the invention is as follows:
the utility model provides an electricity core mount pad, includes the restraint frame, have in the restraint frame and supply to place side by side and the chamber that holds of the electric core unit cartridge that forms for regular triangle, square or regular hexagon shape electric core by a plurality of cross-sections, the restraint frame has the restriction internal face that is used for with the laminating of the all side external surface adaptation of electric core unit in order to prevent the outside inflation of electric core unit, be used for on the restriction internal face and be a part for regular triangle, square or regular hexagon cylinder with the shape of the periphery adaptation part of single electric core.
The beneficial effects are that: the cell units in the accommodating cavity are arranged side by side, when the battery works actually, outward expansion force generated by the expansion of a single cell due to heating can be counteracted with the directional expansion force of the adjacent cell, and then the cell units in the accommodating cavity are restrained from the periphery of the cell units through the restraining inner wall surface which is matched and attached with the peripheral outer surfaces of the cell units and is arranged on the restraining frame; the battery cell is made into a shape with a cross section of regular triangle, square or regular hexagon, and the shape characteristics of the battery cell can be combined, namely, the battery cell can be closely arranged by mutually laminating the side walls of the battery cell, so that the battery cell in the accommodating cavity is more closely arranged.
Furthermore, the accommodating cavity is limited to be formed by more than two mounting hole sites, and each mounting hole site is used for inserting more than one battery cell.
The beneficial effects are that: when one battery cell is inserted into one mounting hole site, the mounting hole site can play a certain restraint role on the battery cell, and in addition, the adjacent battery cells share the side wall of one mounting hole site, so that the acting force generated by the expansion between the adjacent battery cells is more easily counteracted, and the expansion deformation of the battery cells is better limited; when two or more battery cores are inserted into one mounting hole, a part of acting force of the battery cores in the mounting hole can be offset through the mutually contacted side walls, and then the restraint effect on all the battery cores in the mounting hole can be realized through the side walls of the mounting hole.
Further, the mounting hole sites are limited to be independent hole sites for independent insertion of the single battery cells.
The beneficial effects are that: when a battery cell is inserted in one mounting hole, the mounting hole can play a certain restraint role on the battery cell, and in addition, the adjacent battery cells share the side wall of one mounting hole, so that the acting force generated by expansion is more easily counteracted, and the battery cell is better limited from generating expansion deformation.
Furthermore, the mounting hole positions are limited to be column hole positions with regular hexagonal sections.
The beneficial effects are that: the corners of the regular hexagon mounting holes are obtuse angles, so that the difference of expansion force of the mounting holes is small during expansion, and the battery cell mounting seat is more stable.
Furthermore, the installation hole sites are limited to be provided with stop structures which are used for being matched with corresponding battery cell stops to prevent the battery cells from being separated along the insertion direction.
The beneficial effects are that: and a blocking structure is arranged in the mounting hole position, and the electric core is prevented from being separated from the mounting hole position along the insertion direction through the blocking structure and the blocking cooperation of the electric core.
Further, the mounting hole is limited to be a blind hole structure, the stop structure is formed by the bottom wall of the blind hole structure, and the mounting hole is provided with a heat conduction hole wall used for guiding heat generated by the battery core out.
The beneficial effects are that: the installation hole site adopts a blind hole structure, the structure is simple, the forming and processing of technicians are facilitated, and the installation and the fixation of the battery cell can be realized through the blind hole structure; the installation hole site has the heat conduction pore wall, and in the use, the direct and electric core contact of heat conduction pore wall directly derives the heat that the electricity core produced, promotes the heat conduction efficiency of electricity core mount pad.
Specifically, the heat conducting hole wall can have two forms, the first heat conducting hole wall is composed of a heat conducting pad, structural adhesive or phase-change material, and a heat conducting flow channel is arranged in the second heat conducting hole wall and dissipates heat through the heat conducting flow channel. The first kind is compared in that the second is made conveniently, and the second kind is compared in that first kind is structural better, non-deformable.
Further, a part of the edge of the peripheral side for limiting the restraint frame is provided with a splicing opening for splicing with a corresponding part of the adaptive restraint frame to enable the splicing opening to form an accommodating cavity.
The beneficial effects are that: splicing ports are arranged on the peripheral sides of the constraint frames, so that the constraint frames can be conveniently spliced according to actual installation requirements, and when the number of installation holes is insufficient, the cell installation seats can be supplemented; the modularization of the battery cell installation seat can be realized, the original integral battery cell installation seat is separated into modules which are spliced mutually, and the loading efficiency of the battery cell installation seat is improved.
The technical scheme of the battery module provided by the invention is as follows:
the battery module, including the electric core mount pad, still include and be regular triangle by a plurality of cross-sections, square or regular hexagon shape's electric core is placed the electric core unit that forms on the electric core mount pad side by side, the electric core mount pad includes the restraint frame, it is regular triangle by a plurality of cross-sections to have the confession in the restraint frame, square or regular hexagon shape's electric core is placed side by side and the chamber that holds of the electric core unit cartridge that forms, the restraint frame has the restraint internal face that is used for with the laminating of the week side surface adaptation of electric core unit in order to prevent the outside inflation of electric core unit, be regular triangle with the shape of the periphery adaptation part of single electric core on the restraint internal face, square or regular hexagon cylinder partly.
The beneficial effects are that: the cell units in the accommodating cavity are arranged side by side, when the battery works actually, outward expansion force generated by the expansion of a single cell due to heating can be counteracted with the directional expansion force of the adjacent cell, and then the cell units in the accommodating cavity are restrained from the periphery of the cell units through the restraining inner wall surface which is matched and attached with the peripheral outer surfaces of the cell units and is arranged on the restraining frame; the battery cell is made into a shape with a cross section of regular triangle, square or regular hexagon, and the shape characteristics of the battery cell can be combined, namely, the battery cell can be closely arranged by mutually laminating the side walls of the battery cell, so that the battery cell in the accommodating cavity is more closely arranged.
Furthermore, the accommodating cavity is limited to be formed by more than two mounting hole sites, and each mounting hole site is used for inserting more than one battery cell.
The beneficial effects are that: when one battery cell is inserted into one mounting hole site, the mounting hole site can play a certain restraint role on the battery cell, and in addition, the adjacent battery cells share the side wall of one mounting hole site, so that the acting force generated by the expansion between the adjacent battery cells is more easily counteracted, and the expansion deformation of the battery cells is better limited; when two or more battery cores are inserted into one mounting hole, a part of acting force of the battery cores in the mounting hole can be offset through the mutually contacted side walls, and then the restraint effect on all the battery cores in the mounting hole can be realized through the side walls of the mounting hole.
Further, the mounting hole sites are limited to be independent hole sites for independent insertion of the single battery cells.
The beneficial effects are that: when a battery cell is inserted in one mounting hole, the mounting hole can play a certain restraint role on the battery cell, and in addition, the adjacent battery cells share the side wall of one mounting hole, so that the acting force generated by expansion is more easily counteracted, and the battery cell is better limited from generating expansion deformation.
Furthermore, the mounting hole positions are limited to be column hole positions with regular hexagonal sections.
The beneficial effects are that: the corners of the regular hexagon mounting holes are obtuse angles, the difference of expansion force of the mounting holes is small, and the battery cell mounting seat is stable.
Furthermore, the installation hole sites are limited to be provided with stop structures which are used for being matched with corresponding battery cell stops to prevent the battery cells from being separated along the insertion direction.
The beneficial effects are that: and a blocking structure is arranged in the mounting hole position, and the electric core is prevented from being separated from the mounting hole position along the insertion direction through the blocking structure and the blocking cooperation of the electric core.
Further, the mounting hole is limited to be a blind hole structure, the stop structure is formed by the bottom wall of the blind hole structure, and the mounting hole is provided with a heat conduction hole wall used for guiding heat generated by the battery core out.
The beneficial effects are that: the installation hole site adopts a blind hole structure, the structure is simple, the forming and processing of technicians are facilitated, and the installation and the fixation of the battery cell can be realized through the blind hole structure; the installation hole site has the heat conduction pore wall, and in the use, the direct and electric core contact of heat conduction pore wall directly derives the heat that the electricity core produced, promotes the heat conduction efficiency of electricity core mount pad.
Specifically, the heat conducting hole wall can have two forms, the first heat conducting hole wall is composed of a heat conducting pad, structural adhesive or phase-change material, and a heat conducting flow channel is arranged in the second heat conducting hole wall and dissipates heat through the heat conducting flow channel. The first kind is compared in that the second is made conveniently, and the second kind is compared in that first kind is structural better, non-deformable.
Further, a part of the edge of the peripheral side for limiting the restraint frame is provided with a splicing opening for splicing with a corresponding part of the adaptive restraint frame to enable the splicing opening to form an accommodating cavity.
The beneficial effects are that: splicing ports are arranged on the peripheral sides of the constraint frames, so that the constraint frames can be conveniently spliced according to actual installation requirements, and when the number of installation holes is insufficient, the cell installation seats can be supplemented; the modularization of the battery cell installation seat can be realized, the original integral battery cell installation seat is separated into modules which are spliced mutually, and the loading efficiency of the battery cell installation seat is improved.
Drawings
Fig. 1 is a schematic structural diagram of a cell mounting seat according to an embodiment of a battery module of the present invention;
fig. 2 is an installation schematic diagram of a battery cell installation seat of an embodiment of a battery module according to the present invention, in which a part of a battery cell is inserted into the battery cell installation seat and is matched with a cover plate;
fig. 3 is a schematic diagram illustrating a flexible limiting strip placed in a single mounting hole of a cell mounting seat according to an embodiment of the battery module of the present invention;
fig. 4 is a half sectional view of a battery cell fixed to a single mounting hole of a battery cell mounting seat according to an embodiment of the battery module of the present invention;
in the figure, 1-coaming; 2-a bottom plate; 3-mounting holes; 4-electric core; 5-limiting holes; 6-cover plate; 7-flexible limiting strip.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1 to 2, an embodiment of the cell mounting base of the present invention includes a constraint frame enclosing a cell 4, and a containing cavity for placing the cells 4 side by side is provided in the constraint frame.
Specifically, electric core mount pad includes regular hexagon bottom plate 2, and the border on bottom plate 2 encloses the bounding wall 1 that keeps off there is high strength, and bounding wall 1 encloses the border department of establishing at bottom plate 2, encloses into the chamber that holds that a cross section is regular hexagon and upper end opening is used for 4 cartridges of electric core with bottom plate 2, holds the chamber and cooperates with 4 cartridges of electric core. The enclosing plate 1 is provided with a constraint inner wall surface at one side in the accommodating cavity, the constraint inner wall surface is used for being matched and attached with the peripheral outer surfaces of the battery cell units, and the constraint inner wall surface is provided with a part of a part matched with the peripheral side wall of a single battery cell 4, specifically a part of a column body with a regular hexagon cross section; the base plate 2 and the enclosing plate 1 together form a constraint frame, as for the relationship between the base plate 2 and the enclosing plate 1, the base plate 2 and the enclosing plate 1 can be fixed by adopting connection forms such as bonding or welding, and the specific form is not limited.
The accommodating cavity is internally provided with a plurality of mounting holes 3 for downward insertion of single electric cores 4, the mounting holes 3 in the accommodating cavity form mounting hole positions for inserting the electric cores 4, the mounting holes 3 are matched with the electric cores 4, the electric cores 4 are of regular-hexagon cylinder structures, the cross sections of the mounting holes 3 are regular hexagons, when the electric cores 4 are inserted, each side wall of the outer peripheral surfaces of the single mounting holes 3 is correspondingly attached to one electric core 4, the mounting holes 3 with the regular-hexagon cross sections are densely arranged in the accommodating cavity in a honeycomb manner, and adjacent mounting hole positions share the side wall of one mounting hole 3; the mounting hole 3 is a blind hole structure, and the bottom wall of each blind hole is composed of a bottom plate 2 of a battery cell 4 mounting seat, namely, the bottom plate 2 is a blocking structure which is matched with the battery cell 4 inserted in the mounting hole 3 in a blocking manner so as to prevent the battery cell 4 from being separated downwards.
When the battery cell 4 is inserted, as shown in fig. 3 and 4, a compressible flexible limiting strip 7 is arranged on the bottom wall of each mounting hole 3 and used for controlling the thickness of the bottom structural adhesive, a certain amount of structural adhesive is filled in the mounting holes 3, the battery cell 4 is inserted into the mounting holes 3, the adhesive overflows from the peripheral side walls of the mounting holes 3, the side walls of the battery cell 4 are filled, and the fixation of the battery cell 4 is completed.
Cover in the top of mounting hole 3 and be equipped with apron 6 that is used for protecting electric core 4, be equipped with in the apron 6 with the transversal spacing hole 5 of personally submitting regular hexagon of electric core 4 adaptation, spacing hole 5 is the through-hole, spacing hole 5 is the same with the mounting hole 3's on the pedestal form of arranging on apron 6 the form of arranging, every spacing hole 5 corresponds the mounting hole 3 who holds the intracavity promptly, when the installation apron 6, the bonding is glued with 4 contact position adoption structure of electric core to the inner wall in spacing hole 5.
The working principle of the embodiment of the battery cell mounting seat provided by the invention is as follows: the battery core 4 is made into a regular hexagon structure, the battery core 4 is inserted into the mounting hole 3 of the regular hexagon, and all the battery cores 4 inserted into the containing cavity form a battery core unit, so that each side wall of the peripheral surfaces of the other battery cores 4 except the battery core 4 close to one side of the enclosing plate 1 is provided with another battery core 4 corresponding to the side wall, and meanwhile, the side wall of the peripheral surface of the battery core 4 is matched and attached with the side wall of the mounting hole 3; in the during operation, single mounting hole 3 can play and play the expanded effect of preliminary restriction to the electricity core 4 of plug-in mounting at mounting hole 3, and the outside inflation power of single electricity core 4 is used in the lateral wall of its mounting hole 3, can offset each other with the direction inflation power of electricity core 4 in the adjacent mounting hole 3, restraint frame is further enclosing fender electricity core 4 again promptly, the bounding wall 1 holds the intracavity side promptly for preventing the outside expanded restraint internal face of electricity core unit, the outside inflation restraint of the outer peripheral face of whole electricity core unit has been guaranteed to the restraint internal face, realize the inflation restraint of whole electricity core mount pad to electricity core 4.
Meanwhile, on the premise of meeting the constraint function, in order to realize the heat dissipation of the battery cell, the side wall of the mounting hole 3 is made of a phase-change material, a layer of phase-change material is laid on the bottom plate 2, so that the bottom plate 2 can also play a role in dissipating the heat of the battery cell 4, namely, the side wall of the mounting hole and the bottom plate 2 jointly form a heat-conducting hole wall for accommodating the cavity.
It should be noted that, in this embodiment, the edges of the two adjacent side surfaces of the constraint frame are provided with splicing ports, and the splicing ports are used for splicing with the same battery cell installation seat, so that the notches at the splicing positions form a complete installation hole position. At this time, after each splicing port is spliced with the corresponding adaptive constraint frame, the corresponding at least two constraint frames integrally form external constraints on all the cell units.
In this embodiment, only cartridge has single electric core in the mounting hole site, and in other embodiments, can insert a plurality of electric cores in a mounting hole, adjacent electric core in the mounting hole has the lateral wall of laminating mutually, and the lateral wall adaptation laminating of all the other lateral walls and mounting hole, nevertheless should not insert too much electric core in the mounting hole, and the too much electric core of cartridge can make the face of electric core and electric core laminating more, influences the electric core heat dissipation.
In this embodiment, more than one mounting hole site is provided in the accommodating cavity, in other embodiments, only one mounting hole site may be provided in the accommodating cavity, and the battery cell unit may be integrally inserted into one mounting hole.
In this embodiment, the cross section of the mounting hole site is regular hexagon, and in other embodiments, the mounting hole site with the cross section of square or regular triangle may be disposed in the accommodating cavity.
In this embodiment, the side wall of the mounting hole is made of a phase change material, and in other embodiments, the side wall of the mounting hole may be made of a structural adhesive or a thermal pad.
In this embodiment, a blocking structure is arranged at the bottom of the battery cell mounting seat, in other embodiments, the blocking structure may not be arranged, the mounting hole is arranged as a through hole, a baffle is additionally arranged at the bottom of the through hole, the baffle can be fixedly connected with a side wall bolt of the mounting hole, and the baffle can stretch across the bottom of the mounting hole; the battery cell can be supported by the baffle plates which radially extend into the mounting hole along the mounting hole.
In this embodiment, the bottom plate is used as a blocking structure, in other embodiments, an annular step may be disposed on an inner wall of the mounting hole, and the blocking of the battery cell is achieved by using an upper surface of the step as a supporting surface; or two steps are symmetrically arranged on the inner wall of the mounting hole at intervals, and the battery cell can be supported by the supporting surface.
In this embodiment, the battery cell mounting seat dissipates heat through the wall of the heat conducting hole, and in other embodiments, the air-cooled heat dissipation can be realized through a through hole penetrating downwards in the side wall of the mounting hole.
In this embodiment, two splicing ports are provided, and in other embodiments, one or more than two splicing ports may be provided.
In this embodiment, the restraint frame is composed of a bottom plate and an enclosing plate, and in other embodiments, the enclosing plate and the bottom plate may be formed by integral casting.
The embodiment of the battery module of the invention is as follows: the battery module includes the electric core mount pad, and the specific structure of electric core mount pad is the same with the structure in the embodiment of above-mentioned electric core mount pad, and the repeated description is no longer given here.
Claims (10)
1. Electric core mount pad, its characterized in that: the battery cell restraining device comprises a restraining frame, wherein a containing cavity for the insertion of a plurality of battery cell units formed by placing a plurality of battery cells with sections in regular triangle, square or regular hexagon shapes side by side is formed in the restraining frame, the restraining frame is provided with a restraining inner wall face which is used for being matched and attached with the outer peripheral surface of the battery cell units so as to prevent the battery cell units from expanding outwards, and the shape of a peripheral matching part of a single battery cell on the restraining inner wall face is a part of a cylinder with a section in a regular triangle, square or regular hexagon.
2. The cell mount of claim 1, wherein: the accommodating cavity is formed by more than two mounting hole sites, and each mounting hole site is used for inserting more than one battery cell.
3. The cell mount of claim 2, wherein: the mounting hole sites are independent hole sites for independent insertion of single battery cells.
4. The cell mount of claim 2, wherein: the mounting hole sites are column hole sites with regular hexagonal sections.
5. The cell mount of any of claims 2-4, wherein: and a blocking structure used for being matched with the corresponding battery cell blocking structure to prevent the battery cell from being separated along the insertion direction is arranged in the mounting hole position.
6. The cell mount of claim 5, wherein: the mounting hole is of a blind hole structure, the stop structure is formed by the bottom wall of the blind hole structure, and the mounting hole is provided with a heat conduction hole wall used for guiding heat generated by the battery cell out.
7. The cell mount of claim 6, wherein: the heat conduction hole wall is composed of a heat conduction pad, structural adhesive or phase-change material.
8. The cell mount of claim 6, wherein: and a heat conduction flow channel is arranged in the heat conduction hole wall.
9. The cell mount of claim 1, wherein: the edge of one part of the peripheral side of the restraint frame is provided with a splicing opening which is used for splicing with the corresponding part of the adaptive restraint frame to enable the splicing opening to surround the accommodating cavity.
10. The battery module, including electric core mount pad, its characterized in that: the battery cell unit is formed by placing a plurality of battery cells with sections in regular triangle, square or regular hexagon shapes on a battery cell mounting seat side by side, wherein the battery cell mounting seat is the battery cell mounting seat in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427886.2A CN111224027A (en) | 2018-11-27 | 2018-11-27 | Battery module and battery core mounting seat thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811427886.2A CN111224027A (en) | 2018-11-27 | 2018-11-27 | Battery module and battery core mounting seat thereof |
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| CN111224027A true CN111224027A (en) | 2020-06-02 |
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| CN201811427886.2A Pending CN111224027A (en) | 2018-11-27 | 2018-11-27 | Battery module and battery core mounting seat thereof |
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| CN (1) | CN111224027A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110707254A (en) * | 2019-09-26 | 2020-01-17 | 安徽泰能新能源科技有限公司 | Cylindrical battery pack module fixing tool pack and method for replacing battery core thereof |
| CN115881890A (en) * | 2023-02-22 | 2023-03-31 | 苏州宇量电池有限公司 | Roll core, preparation method thereof and battery |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115881890A (en) * | 2023-02-22 | 2023-03-31 | 苏州宇量电池有限公司 | Roll core, preparation method thereof and battery |
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