CN210692631U - Welding-free battery module support - Google Patents
Welding-free battery module support Download PDFInfo
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- CN210692631U CN210692631U CN201921881090.4U CN201921881090U CN210692631U CN 210692631 U CN210692631 U CN 210692631U CN 201921881090 U CN201921881090 U CN 201921881090U CN 210692631 U CN210692631 U CN 210692631U
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- aluminum plate
- fixed bolster
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a welding-free battery module support, including upper bracket and lower carriage, the upper bracket, connect through the bolt pressfitting between electric core and the lower carriage, the upper bracket includes fixed bolster and the aluminum plate that converges that inlays in the fixed bolster, the fixed bolster adopts phase change material to make, and with aluminium plate integrative injection moulding that converges, the fixed bolster is seted up the electric core hole that a plurality of power supply core held, aluminium plate that converges is seted up the locating hole that communicates with the electric core hole, the diameter of locating hole is less than the diameter of electric core, the electrically conductive end of electric core passes behind the electric core hole and closely contacts with aluminium plate that converges, aluminium plate that converges still is equipped with the connecting portion that extend towards the length direction of electric core, fixed bolster one side is seted up the spacing concave part of protection connecting portion, the upper bracket is the same; the support removes the welding from through the integrative injection moulding of the fixed bolster that aluminum plate and phase change material made that converges, and collects multi-functionally as an organic whole, simple to operate, low in manufacturing cost and good heat dissipation.
Description
Technical Field
The utility model relates to a cylindrical battery test equipment technical field, more specifically say, it relates to a exempt from welded battery module support.
Background
The battery is an energy conversion and storage device, and with the increasing requirements of the country on the environmental quality, relatively speaking, the lithium battery becomes the first choice of the power battery because of the advantages of environmental protection, high energy density and long service life; the method comprises the following steps of collecting and controlling signals of a group fixing mode, a space utilization rate, battery voltage and temperature of the lithium battery in the design process of the lithium battery module as well as evaluating the structure of the battery module.
At present, in the prior art, a module structure for a cylindrical battery cell mainly comprises a battery cell fixing support, a busbar and a battery cell, a group of battery cells are firstly placed in a fixing hole of the battery cell fixing support, then a busbar is placed at two ends of the battery cell, and finally the busbar is fixed on the battery cell fixing support in a mode of welding resistance points at the two ends of the battery cell, so that the battery cell and the battery cell are connected in series or in parallel to form a battery module; however, the module structure of this cylindrical cell has the following problems: firstly, because the bus bar and the battery cell fixing support are independent, after the bus bar and the battery cell fixing support are used for a long time and are shaken, the welding spot is easy to have the risk of fatigue fracture, and the rejection rate of the battery is improved; second, electric core fixed bolster function singleness can not satisfy complicated multi-functional needs, especially when energy density is higher, needs to add heat radiation structure in addition in electric core fixed bolster, causes whole knot production structure numerous and diverse, and the installation is inconvenient, causes battery module to be in groups inefficiency and problem with high costs.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide an exempt from welded battery module support collects heat dissipation, fixed electric core and electrically conductive function in integrative injection moulding, exempts from the welding, has low in manufacturing cost, simple to operate and good heat dissipation's advantage.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides an exempt from welded battery module support, includes two supports, two the support is fixed in electric core pressfitting through the bolt between the support, the support include the fixed bolster and inlay in aluminum plate that converges in the fixed bolster, the fixed bolster adopt phase change material to make, and with the integrative injection moulding of aluminum plate that converges, the fixed bolster is seted up the electric core hole that a plurality of power supply core held, converge aluminum plate seted up with the communicating locating hole in electric core hole, the diameter of locating hole is less than the diameter of electric core, electrically conductive end of electric core passes behind the electric core hole and with aluminum plate in close contact with converges, aluminium plate that converges still is equipped with the connecting portion that extend towards the length direction of electric core, the protection has been seted up to fixed bolster one side the spacing concave part of connecting portion.
Further setting: the surface roughness of the contact between the confluence aluminum plate and the fixed support is more than 6.3 mu m.
Further setting: one of them the support is close to the first notch of stepping down of being convenient for grab and put is all seted up to the both sides of connecting portion, another the support is close to the both sides of connecting portion are seted up the second notch of stepping down of being convenient for grab and put, first notch of stepping down with the second notch of stepping down communicates with each other.
Further setting: one side of the first yielding notch on one side of the support is provided with a clamping part, one side of the first yielding notch on the other side is provided with a clamping groove part for clamping the clamping part, and the second yielding notch is provided with the clamping part and the clamping groove part which are the same as the first yielding notch.
Further setting: and the two sides of the notch of the limiting groove part are provided with limiting baffle parts for protecting the connecting part.
Further setting: the fixed bolster is close to aluminum plate's that converges one end has evenly laid the louvre.
Further setting: the fixed bolster is kept away from aluminum plate's one end that converges is provided with the support boss that is the triangular prism type setting, it has the protection cushion to support boss overcoat.
To sum up, the utility model realizes the function of fixing the cell in a welding-free manner by integrally injection molding the confluence aluminum plate and the fixing support made of the phase-change material and tightly pressing the cell between the confluence aluminum plate and the fixing support through the cell hole, the positioning hole and the bolt, thereby avoiding secondary damage to the cell caused by spot welding and relative movement; meanwhile, the whole manufacturing and installation are convenient, the manufacturing cost of the battery module is reduced, and the battery cell grouping efficiency is improved; collecting the positive and negative electrode currents of the battery cell through the connecting part to realize the function of electric conduction; by utilizing the advantage of good heat conductivity of aluminum and the phase-change material, the heat in the battery module can be better dissipated in multiple directions, the heat dissipation effect of the whole support is improved, and the working stability of the battery module is ensured; in addition, through seting up the spacing concave part in fixed bolster one side, avoid connecting portion impaired in equipment or use, play the effect of protection connecting portion, and then improve holistic life.
Drawings
Fig. 1 is a schematic structural diagram of the whole of the embodiment of the present invention;
fig. 2 is a partial cross-sectional view of an embodiment of the invention;
fig. 3 is a schematic structural view of a bracket according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the aluminum plate for junction in the present invention.
In the figure: 1. a support; 2. an electric core; 3. an electrical core hole; 4. fixing a bracket; 5. a confluence aluminum plate; 6. an electrical core hole; 7. positioning holes; 8. a connecting portion; 9. a limiting groove part; 10. a first abdication notch; 11. a second abdication notch; 12. a fastening part; 13. a slot clamping part; 14. a limit baffle part; 15. heat dissipation holes; 16. supporting the boss; 17. a protective cushion.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the function of fixing the battery cell 2 is realized through the bracket 1, the battery cell hole 3, the positioning hole 7 and the bolt 6; the bracket 1 is formed by integrally injection molding a confluence aluminum plate 5 and a fixed bracket 4 made of a phase-change material, and the battery cell 2 is tightly pressed between the confluence aluminum plate 5 and the fixed bracket 4 through a bolt 6, so that the function of fixing the battery cell 2 in a welding-free manner is realized, and secondary damage to the battery cell 2 caused by spot welding and relative movement is avoided; meanwhile, the manufacturing cost of the battery module is reduced, and the grouping efficiency of the battery cells 2 is improved; the positive and negative electrode currents of the battery cell 2 are collected through the connecting part 8 of the confluence aluminum plate 5, so that the function of electric conduction is realized; by utilizing the advantage of good heat conductivity of aluminum and the phase-change material, the heat in the battery module can be better dissipated in multiple directions, the heat dissipation effect of the whole support 1 is improved, and the working stability of the battery module is ensured; in addition, through the spacing concave part 9 of seting up in fixed bolster 4 one side, avoid connecting portion 8 impaired in equipment or use, play the effect of protection connecting portion 8, and then improved holistic life.
Please refer to fig. 1 to 4, a welding-free battery module support, including two supports 1, two supports 1 are fixed between support 1 through bolt 6 with 2 pressfittings of electric core, support 1 includes fixed bolster 4 and the aluminum plate 5 that converges that inlays in fixed bolster 4, fixed bolster 4 adopts phase change material to make, and with the integrative injection moulding of aluminum plate 5 that converges, fixed bolster 4 sets up the electric core hole 3 that a plurality of power supply core 2 held, aluminum plate 5 that converges sets up with the communicating locating hole 7 in electric core hole 3, the diameter of locating hole 7 is less than the diameter of electric core 2, electric core 2's electrically conductive end passes behind electric core hole 3 and with aluminum plate 5 in close contact with that converges, aluminum plate 5 that converges still is equipped with the connecting portion 8 that extends towards the length direction of electric core 2, fixed bolster 4 one side is equipped with spacing concave part 9 of protection connecting portion 8.
As can be seen from the above description, when a battery module needs to be assembled, firstly, the battery cell 2 is placed in a cavity formed by the battery cell hole 3 of the fixing support 4, the confluence aluminum plate 5 and the positioning hole 7 and used for accommodating the battery cell 2, and then, the battery cell 2 is pressed on the fixing support 4 and the confluence aluminum plate 5 which are integrally injection-molded through the bolt 6, so that the spot welding process of the battery cell 2 is omitted during the assembly of the battery module, the function of fixing the battery cell 2 in a welding-free manner is realized, the installation is convenient, the secondary damage to the battery cell 2 due to spot welding and relative movement is avoided, meanwhile, expensive welding equipment does not need to be purchased, and the manufacturing cost of the; collecting positive and negative electrode currents of the electric core 2 through a connecting part 8 which is arranged by extending the confluence aluminum plate 5 towards the length direction of the electric core 2, so as to realize the function of electric conduction; by utilizing the advantage of good heat conductivity of aluminum and the phase-change material, the heat in the battery module can be better dissipated in multiple directions, the heat dissipation effect of the whole support 1 is improved, and the working stability of the battery module is ensured; in addition, through the spacing concave part 9 of seting up in fixed bolster 4 one side, avoid connecting portion 8 impaired in equipment or use, play the effect of protection connecting portion 8, and then improve holistic life.
Further: the surface roughness of the confluence aluminum plate 5 contacting with the fixed support 4 is more than 6.3 μm.
As can be seen from the above description, the surface roughness of the confluence aluminum plate 5 is increased to ensure the adhesion between the plastic and the aluminum plate in the subsequent process of the integrated injection molding of the confluence aluminum plate 5 and the fixing bracket 4 by making the surface roughness of the contact between the confluence aluminum plate 5 and the fixing bracket 4 larger than 6.3 μm.
Further: two sides of one of the supports 1, which are close to the connecting portion 8, are provided with first abdicating notches 10 which are convenient to grab and place, two sides of the other support 1, which are close to the connecting portion 8, are provided with second abdicating notches 11 which are convenient to grab and place, and the first abdicating notches 10 are communicated with the second abdicating notches 11.
As can be seen from the above description, the first and second relief recesses 10 and 11, which are communicated with each other, serve to facilitate the grasping of the bracket 1 and reduce the overall weight during the assembly and disassembly of the battery module.
Further: one side of the first notch 10 of stepping down of support 1 one side is provided with clamping part 12, and one side of the first notch 10 of stepping down of opposite side is seted up and is supplied clamping groove portion 13 of clamping part 12 joint, and the second notch 11 of stepping down is provided with clamping part 12 and clamping groove portion 13 the same with first notch 10 of stepping down.
As can be seen from the above description, the buckling portion 12 disposed at one end of the first abdicating notch 10 is clamped to the clamping groove portion 13 disposed at one end of the second abdicating notch 11, so as to further enhance the detachable connection between the two brackets 1 and ensure the tight contact between the battery cell 2 and the confluence aluminum plate 5; the first abdicating notches 10 on the two sides of the bracket 1 are respectively provided with the buckling part 12 and the clamping groove part 13, the second abdicating notches on the two sides of the other bracket 1 are respectively provided with the buckling part 12 and the clamping groove part 13, and in the process of manufacturing the bracket 1, the manufacturing function of the upper bracket 1 and the lower bracket 1 of the battery module can be realized by only one bracket die, so that the whole manufacturing cost is further reduced.
Further: the two sides of the notch of the limiting groove part 9 are both provided with limiting baffle parts 14 for protecting the connecting part 8.
As can be seen from the above description, the connecting portion 8 is tightly disposed in the limiting recess portion 9 through the limiting baffle portions 14 disposed at both sides of the notch of the limiting recess portion 9, so as to avoid the damage of the connecting portion 8 caused by the shaking of the bracket 1, and to protect the connecting portion 8.
Further: the fixing bracket 4 is evenly provided with heat dissipation holes 15 at one end close to the confluence aluminum plate 5.
From the above description, through evenly laying in fixed bolster 4 and being close to the louvre 15 of aluminum plate 5 that converges, can in time effluvium the module inside heat, play the radiating effect that further promotes monolith support 1, guarantee battery module job stabilization nature, alleviate the effect of whole weight simultaneously.
Further: one end of the fixing support 4 far away from the confluence aluminum plate 5 is provided with a support boss 16 which is arranged in a triangular prism shape, and a protective soft pad 17 is sleeved outside the support boss 16.
As can be seen from the above description, the support bosses 16 provided at the ends of the fixing brackets 4 far from the bus aluminum plate 5 function to support the two brackets 1; simultaneously, locate the protection cushion 17 that supports boss 16 through the overcoat, avoid at bolt 6 with two 1 pressfitting in-process of support, cause the harm to electric core 2 and support 1 because of pressure tension, play the effect of pressure between the buffering support 1.
Referring to fig. 1 to 4, the present invention provides an embodiment:
a welding-free battery module bracket is shown in figures 1 and 2 and comprises two brackets 1, wherein a battery core 2 is pressed and fixed between the brackets 1 by the two brackets 1 through a bolt 6; the bracket 1 comprises a fixed bracket 4 and a confluence aluminum plate 5 embedded in the fixed bracket 4, and the fixed bracket 4 and the confluence aluminum plate 5 are molded into a whole by injection; when the battery module is formed, the parts of the surfaces, which are in close contact with the positive and negative electrodes of the battery core 2, of the confluence aluminum plate 5 in the support 1 are polished, and the support 1 and the battery core 2 are pressed tightly by the bolt 6, so that the series-parallel connection relationship between the battery core 2 and the battery core 2 can be formed, and the damage to the battery core 2 caused by the contact between the confluence aluminum plate 5 and the positive and negative electrodes of the battery core 2 is avoided; the fixing support 4 is made of a phase-change material, and the confluence aluminum plate 5 has good heat conductivity, so that the service life and the performance of the battery cell 2 are ensured; and additional heat dissipation devices and heating devices are not needed, so that the manufacturing cost is reduced.
As shown in fig. 2 and 4, the confluence aluminum plate 5 is further provided with a connecting portion 8 extending in the length direction of the battery core 2, and the confluence aluminum plate 5 is provided with a positioning hole 7; the surface roughness of the confluence aluminum plate 5 contacting with the fixed support 4 is more than 6.3 μm.
As shown in fig. 2 and 3, the fixing bracket 4 is provided with a plurality of battery cell holes 3 accommodated by the power supply core 2; the electric core hole 3 is communicated with a positioning hole 7, and the diameter of the positioning hole 7 is smaller than that of the electric core 2; the conductive end of the electric core 2 passes through the electric core hole 3 and then is in close contact with the confluence aluminum plate 5; one side of the fixed support 4 is provided with a limit groove part 9 for protecting the connecting part 8; the two sides of the notch of the limiting groove part 9 are both provided with limiting baffle parts 14 for protecting the connecting part 8.
As shown in fig. 1 and 3, two sides of one of the brackets 1 close to the connecting part 8 are provided with first abdicating notches 10 convenient for grasping and placing; a clamping part 12 is arranged on one side of the first abdicating notch 10 on one side of the bracket 1, and a clamping groove part 13 for clamping the clamping part 12 is arranged on one side of the first abdicating notch 10 on the other side; two sides of the other support 1, which are close to the connecting portion 8, are provided with second abdicating notches 11 which are convenient to grasp and place, the first abdicating notches 10 are communicated with the second abdicating notches 11, and the second abdicating notches 11 are provided with clamping portions 12 and clamping groove portions 13 which are the same as the first abdicating notches 10.
As shown in fig. 1 and fig. 2, heat dissipation holes 15 are uniformly distributed at one end of the fixing bracket 4 close to the confluence aluminum plate 5;
as shown in fig. 2 and 3, a supporting boss 16 in a triangular prism shape is arranged at one end of the fixing bracket 4 away from the aluminum confluence plate 5, and a protective cushion 17 is sleeved outside the supporting boss 16.
To sum up, compared with the prior art, the utility model has the advantages of simple overall structure, convenient installation and good heat dissipation, and realizes the function of fixing the electric core 2 through the bracket 1, the electric core hole 3, the positioning hole 7 and the bolt 6; the bracket 1 is formed by integrally injection molding a confluence aluminum plate 5 and a fixed bracket 4 made of a phase-change material, and the battery cell 2 is tightly pressed between the confluence aluminum plate 5 and the fixed bracket 4 through a bolt 6, so that the function of fixing the battery cell 2 in a welding-free manner is realized, and secondary damage to the battery cell 2 caused by spot welding and relative movement is avoided; meanwhile, the manufacturing cost of the battery module is reduced, and the grouping efficiency of the battery cells 2 is improved; the positive and negative electrode currents of the battery core 2 are collected through the connecting part 8, so that the function of electric conduction is realized; by utilizing the advantage of good heat conductivity of aluminum and the phase-change material, the heat in the battery module can be better dissipated in multiple directions, the heat dissipation effect of the whole support 1 is improved, and the working stability of the battery module is ensured; in addition, through the spacing concave part 9 of seting up in fixed bolster 4 one side, avoid connecting portion 8 impaired in equipment or use, play the effect of protection connecting portion 8, and then improve holistic life.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a exempt from welded battery module support which characterized in that: including two supports, two the support is fixed in electric core pressfitting through the bolt between the support, the support include the fixed bolster and inlay in aluminum plate that converges in the fixed bolster, the fixed bolster adopt phase change material to make, and with aluminum plate integrative injection moulding converges, the fixed bolster has seted up the electric core hole that a plurality of power supply core held, aluminum plate that converges seted up with the communicating locating hole in electric core hole, the diameter of locating hole is less than the diameter of electric core, and electrically conductive end of electric core passes behind the electric core hole and with aluminum plate in close contact with converges, aluminum plate that converges still is equipped with the connecting portion that extend towards the length direction of electric core, the protection has been seted up to fixed bolster one side the spacing concave part of connecting portion.
2. The weld-free battery module support of claim 1, wherein: the surface roughness of the contact between the confluence aluminum plate and the fixed support is more than 6.3 mu m.
3. The weld-free battery module support of claim 1, wherein: one of them the support is close to the first notch of stepping down of being convenient for grab and put is all seted up to the both sides of connecting portion, another the support is close to the both sides of connecting portion are seted up the second notch of stepping down of being convenient for grab and put, first notch of stepping down with the second notch of stepping down communicates with each other.
4. The weld-free battery module support of claim 3, wherein: one side of the first yielding notch on one side of the support is provided with a clamping part, one side of the first yielding notch on the other side is provided with a clamping groove part for clamping the clamping part, and the second yielding notch is provided with the clamping part and the clamping groove part which are the same as the first yielding notch.
5. The weld-free battery module support of claim 1, wherein: and the two sides of the notch of the limiting groove part are provided with limiting baffle parts for protecting the connecting part.
6. The weld-free battery module support of claim 1, wherein: the fixed bolster is close to aluminum plate's that converges one end has evenly laid the louvre.
7. The weld-free battery module support of claim 1, wherein: the fixed bolster is kept away from aluminum plate's one end that converges is provided with the support boss that is the triangular prism type setting, it has the protection cushion to support boss overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921881090.4U CN210692631U (en) | 2019-11-04 | 2019-11-04 | Welding-free battery module support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921881090.4U CN210692631U (en) | 2019-11-04 | 2019-11-04 | Welding-free battery module support |
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| Publication Number | Publication Date |
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| CN210692631U true CN210692631U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921881090.4U Active CN210692631U (en) | 2019-11-04 | 2019-11-04 | Welding-free battery module support |
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| CN (1) | CN210692631U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675522A (en) * | 2021-08-19 | 2021-11-19 | 福建云众动力科技有限公司 | Lithium battery suitable for being used by aquatic equipment |
-
2019
- 2019-11-04 CN CN201921881090.4U patent/CN210692631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113675522A (en) * | 2021-08-19 | 2021-11-19 | 福建云众动力科技有限公司 | Lithium battery suitable for being used by aquatic equipment |
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