CN208622789U - A kind of lightweight high-efficiency battery packet - Google Patents
A kind of lightweight high-efficiency battery packet Download PDFInfo
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- CN208622789U CN208622789U CN201821377577.4U CN201821377577U CN208622789U CN 208622789 U CN208622789 U CN 208622789U CN 201821377577 U CN201821377577 U CN 201821377577U CN 208622789 U CN208622789 U CN 208622789U
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- battery modules
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- lower layer
- lightweight high
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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 relates to a kind of lightweight high-efficiency battery packets, including the upper cover being equipped with and lower box, the battery modules being equipped with and thermal management assemblies are equipped in cavity between upper cover and lower box, thermal management assemblies include the liquid cooling plate equipped with several through-holes, the top and bottom of liquid cooling plate are respectively equipped with several upper layer battery modules and several lower layer's battery modules, upward, the pole of lower layer's battery modules is downward for the pole of upper layer battery modules；Upper layer battery modules are connect through through-hole with lower layer battery modules by connector, and lower layer's battery modules are equipped with lower box.The utility model simplifies the heat management structure of battery pack, the heat management of two layers of battery modules is realized by single liquid cooling plate, and since the bottom face of upper layer battery modules and lower layer's battery modules is opposite, battery pack is whole without Additional insulation design requirement, structure is simple, it is at low cost, reduce the leakage risk of coolant liquid, guarantees that heat transfer efficiency is high while whole lightweight demand.
Description
Technical field
The utility model relates to be the method or apparatus of electric energy, such as the technology neck of battery pack for direct transformation chemical energy
Domain, the in particular to high lightweight high-efficiency battery packet of a kind of intensity height, lightweight, security performance.
Background technique
Continuous with global energy crisis is deepened, in continuous exhausted and the atmosphere pollution, Global Temperature of petroleum resources
The harm aggravation risen, national governments and automobile industry are it is well recognized that energy-saving and emission-reduction are the main attacks of future automobile industry technology development
Direction.The vehicles of the electric car as a new generation of China Automobile Industry reduce the mankind to conventional fossil in energy-saving and emission-reduction
The relying party face of the energy has the incomparable advantage of orthodox car.
At present under the support of country and the advantage in market, dynamic lithium battery industry development is very fast, and application is
Extend to the fields such as electric bus, electric motor car, micro- public transport and energy storage.For electric car, battery pack is core
Energy storage component, the energy density for promoting battery pack can effectively increase the course continuation mileage of electric car, and electric car is continuous
The short mileage that navigates is always the principal element for restricting Development of Electric Vehicles, develops light-weighted power battery pack, promotes power battery
Energy density is an effective ways for solving the problems, such as this.
Utility model content
A kind of the light of optimization is provided for promoting the demand of power battery energy density, the utility model based on the prior art
Quantify high-efficiency battery packet.
The utility model is the technical scheme adopted is that a kind of lightweight high-efficiency battery packet, including the upper cover being equipped with
And lower box, the cavity between the upper cover and lower box are interior equipped with the battery modules being equipped with and thermal management assemblies, the heat
Management assembly includes the liquid cooling plate equipped with several through-holes, and the top and bottom of the liquid cooling plate are respectively equipped with several upper layer battery moulds
Group and several lower layer's battery modules, upward, the pole of lower layer's battery modules is downward for the pole of the upper layer battery modules；Institute
It states upper layer battery modules and is connect through through-hole with lower layer battery modules by connector, lower layer's battery modules are matched with lower box
Close setting.
Preferably, the lower box includes bottom plate, and the bottom edge is equipped with frame straight up, if the frame includes
The first end to end aluminum profile part of dry section；Cooperation lower layer's battery modules are equipped with several reinforcing ribs in the lower box.
Preferably, any first aluminum profile part includes the polygon of Qian type groove and integration at the top of Qian type groove
The notch of slot, the Qian type groove and polygon groove is opposite, and the slot bottom of the polygon groove is parallel with the slot bottom of Qian type groove；The Qian
Several support plates are respectively equipped in type groove and polygon groove.
Preferably, several support plates in the Qian type groove are uniformly set between the two sides cell wall of Qian type groove, any support plate
It is parallel to the bottom surface of Qian type groove.
Preferably, several support plates in the polygon groove include the one or more of inclined plate, transverse slat and riser, any
Support plate and polygon groove or remaining 1 or 2 hollow triangular prisms of support plates composition.
Preferably, the reinforcing rib includes the second aluminum profile part, and the second aluminum profile part includes cuboid outline border, described
Several stiffening plates are equipped in cuboid outline border.
Preferably, several stiffening plates are uniformly set between the two sidewalls of cuboid outline border, and any stiffening plate is parallel to length
The bottom surface of cube outline border.
Preferably, lower layer's battery modules are bolted with reinforcing rib.
Preferably, heat-conducting glue layer is equipped between several upper layer battery modules and several lower layer's battery modules and liquid cooling plate.
Preferably, the outer rim of the lower box is equipped with several connecting plates, and the connecting plate is equipped with mounting hole.
The utility model provides a kind of lightweight high-efficiency battery packet of optimization, by include in the upper cover that is equipped with and
Battery modules and thermal management assemblies are equipped in cavity between lower box, in the top and bottom of the liquid cooling plate of thermal management assemblies
Several upper layer battery modules and several lower layer's battery modules, and the bottom end of upper layer battery modules and lower layer's battery modules is respectively set
Face is oppositely arranged, and will be connected between lower layer's battery modules and lower box cooperation, upper layer battery modules and lower layer's battery modules, is simplified
The heat management structure of battery pack realizes the heat management of two layers of battery modules by single liquid cooling plate, and due to upper layer battery
The bottom face of mould group and lower layer's battery modules is opposite, and battery pack is whole, and without Additional insulation design requirement, structure is simple, at low cost,
The leakage risk for reducing coolant liquid guarantees that heat transfer efficiency is high while whole lightweight demand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the battery pack of the utility model；
The battery pack of the position Fig. 2 the utility model removes the structural schematic diagram of upper cover；
The structural schematic diagram of lower box in the utility model of the position Fig. 3；
Fig. 4 is the battery modules and liquid cooling in the utility model by taking one group of upper layer battery modules and lower layer's battery modules as an example
The structural schematic diagram of plate；
Fig. 5 is the profilograph structural schematic diagram of the frame of lower box in the utility model；
Fig. 6 is the profilograph structural schematic diagram of reinforcing rib in the utility model.
Specific embodiment
Below with reference to embodiment, the utility model is further described in detail, but the protection scope of the utility model is simultaneously
It is without being limited thereto.
The utility model relates to a kind of lightweight high-efficiency battery packets, described including the upper cover 1 being equipped with and lower box 2
The battery modules being equipped with and thermal management assemblies, the thermal management assemblies packet are equipped in cavity 3 between upper cover 1 and lower box 2
Include the liquid cooling plate 5 equipped with several through-holes 4, if the top and bottom of the liquid cooling plate 5 be respectively equipped with several upper layer battery modules 6 and
Dry lower layer's battery modules 7, upward, the pole of lower layer's battery modules 7 is downward for the pole of the upper layer battery modules 6；It is described
Upper layer battery modules 6 are connect through through-hole 4 with lower layer battery modules 7 by connector, lower layer's battery modules 7 and lower box
2 are equipped with.
In the utility model, battery pack includes the upper cover 1 being equipped with and lower box 2, it is therefore apparent that the edge of upper cover 1
It can close up with the upper limb of lower box 2, so that battery pack is integral, be equipped in the cavity 3 between upper cover 1 and lower box 2
There are battery modules and thermal management assemblies, certainly, in actual application, battery modules and heat management system assist having electronics
Device, those skilled in the art can be arranged according to demand.
In the utility model, most important component is liquid cooling plate 5 in heat management system, and liquid cooling plate 5 is provided with import 8 and goes out
Mouth 9, for importing the medium for being used for liquid cooling with pass-out.
In the utility model, in a battery pack include several upper layer battery modules 6 and several lower layer's battery modules 7, on
Layer battery modules 6 and lower layer's battery modules 7 are separately positioned on the top and bottom of liquid cooling plate 5；Upper layer battery modules 6 and lower layer's electricity
The structure having the same of Chi Mo group 7, i.e., be arranged in groups centered on liquid cooling plate 5.
In the utility model, the bottom face of upper layer battery modules 6 and lower layer's battery modules 7 is oppositely arranged, i.e. upper layer battery
In mould group 6 electrode direction of battery upward, in lower layer's battery modules 7 electrode direction of battery downward, in simple terms, upper layer battery
6 formal dress of mould group, 7 upside-down mounting of lower layer's battery modules, realize monolithic liquid cooling plate 5 to the heat management of two layers of battery modules, have reached
Under the premise of not changing system performance, the advantages of simplifying system pipeline, mitigate system weight.
In the utility model, when the bottom face of upper layer battery modules 6 and lower layer's battery modules 7 is oppositely arranged, total same
After liquid cooling plate 5, it is different from traditional mould group set-up mode, without carrying out additional heat preservation setting (such as addition foam to liquid cooling plate 5
Layer etc.), original can reach by the air gap between the module shell and mould group of battery modules and the entire cabinet of battery pack
Some heat insulation effects；Certainly, to keep heat insulation effect more excellent, foamed cotton layer can also be added between the air gap.
In the utility model, in order to guarantee the intensity of assembling, by lower layer's battery modules 7 and the cooperation of lower box 2, upper layer battery
It is connected by the through-hole 4 of liquid cooling plate 5 using connector between mould group 6 and lower layer battery modules 7.Wherein, in order to guarantee battery modules
Relatively stable between liquid cooling plate 5, through-hole 4 is traditionally arranged to be strip hole, along the orientation of battery core in any battery mould group
Setting, therefore can also play the role of coolant liquid water conservancy diversion simultaneously；Connector is ordinary skill in the art feature, those skilled in the art
Member can arbitrarily select according to demand, and only upper layer battery modules 6 and lower layer's battery modules 7 need to link together.
The utility model simplifies the heat management structure of battery pack, realizes two layers of battery modules by single liquid cooling plate 5
Heat management, and since upper layer battery modules 6 are opposite with the bottom face of lower layer battery modules 7, battery pack is whole without Additional insulation
Design requirement, structure is simple, at low cost, reduces the leakage risk of coolant liquid, guarantees thermally conductive while whole lightweight demand
It is high-efficient.
The lower box 2 includes bottom plate 10, and 10 edge of bottom plate is equipped with frame 11 straight up, and the frame 11 includes
The first end to end aluminum profile part of several segments；Cooperation lower layer's battery modules 7 are equipped with several reinforcing ribs in the lower box 2
12。
In the utility model, in fact battery pack integrally can guarantee the lightweight of battery pack by aluminium welding.
In the utility model, bottom plate 10, frame 11 and reinforcing rib 12 are integrally fixed structure by the way of welding, are such as stirred
Mix friction welding (FW).
In the utility model, the bottom plate 10 of lower box 2 is plate, the frame 11 and the reinforcing rib 12 in lower box 2 of surrounding
For aluminum profile part, aluminum profile part can be made of the technique of extrusion forming, have the characteristics that high production efficiency quality of finished product good.
In the utility model, for the ease of the management of battery modules, under normal circumstances, several reinforcing ribs 12 are arranged in parallel in
In lower box 2.
Any first aluminum profile part includes the polygon groove 14 of Qian type groove 13 and integration at the top of Qian type groove, institute
State that Qian type groove 13 is opposite with the notch of polygon groove 14, the slot bottom of the polygon groove 14 is parallel with the slot bottom of Qian type groove 13；Institute
It states and is respectively equipped with several support plates 15 in Qian type groove 13 and polygon groove 14.
Several support plates 15 in the Qian type groove 13 are uniformly set between the two sides cell wall of Qian type groove 13, any support plate 15
It is parallel to the bottom surface of Qian type groove 13.
Several support plates 15 in the polygon groove 14 include one or more, the Ren Yizhi of inclined plate, transverse slat and riser
Fagging 15 constitutes hollow triangular prism with polygon groove 14 or remaining 1 or 2 support plates 15.
In the utility model, the first aluminum profile part be hollow structure, inside separated by support plate 15.
In the utility model, specifically, the first aluminum profile part includes that Qian type groove 13 and integration are set to Qian type groove 13 and push up
The polygon groove 14 in portion.In actual operation, the slot bottom length of polygon groove 14 can be greater than the slot bottom length of Qian type groove 13, i.e.,
It can play the role of battery modules limit to a certain extent；The side of polygon groove 14 towards 2 inside of lower box is generally
Planar structure guarantees the convenience of setting battery modules.
In the utility model, under normal circumstances, it also is provided between Qian type groove 13 and the notch of polygon groove 14 being oppositely arranged
Support plate 15 guarantees integral strength.
In the utility model, any support plate 15 in Qian type groove 13 is laterally arranged, and guarantees overall structure, particularly transverse direction
Stabilization, the intensity of structure are high, in actual application, can also be in the support of the upper and lower setting vertical direction of support plate 15
Plate 15 will appear the branch of " product " font structure for guaranteeing the rock-steady structure and high intensity of vertical direction at this time in Qian type groove 13
Support member 15, integral strength is higher.
In the utility model, by the interaction of support plate 15 in various directions in polygon groove 14, ultimately form including
The structure of many hollow triangular prisms increases system strength conducive to effective transmitting of load.
In the utility model, 15 structure of support plate in polygon groove 14 is calculated by computer finite element topology,
Light-weighted while guaranteeing enough bearing strengths.
The reinforcing rib 12 includes the second aluminum profile part, and the second aluminum profile part includes cuboid outline border 16, the length
Several stiffening plates 17 are equipped in cube outline border 16.
Uniformly between the two sidewalls of cuboid outline border 16, any stiffening plate 17 is parallel to rectangular several stiffening plates 17
The bottom surface of external frame 16.
In the utility model, reinforcing rib 12 is also the second hollow aluminum profile part, along vertical side in cuboid outline border 16
To horizontally disposed muti-piece stiffening plate 17, guarantee that the stabilization of overall structure, particularly transverse structure, intensity are high.In practical application mistake
Cheng Zhong, can also refer to 13 inner support plate 15 of Qian type groove set-up mode, stiffening plate 17 upper and lower setting vertical direction plus
Strong plate 17 will appear " product " font knot for guaranteeing the rock-steady structure and high intensity of vertical direction at this time in cuboid outline border 16
The reinforcer of structure, integral strength are higher.
Lower layer's battery modules 7 are bolted with reinforcing rib 12.
In the utility model, lower layer's battery modules 7 are bolted with reinforcing rib 12, in fact ensure that bilayer cells mould group
It is relatively stable with battery parlor.
Heat-conducting glue layer is equipped between several upper layer battery modules 6 and several lower layer's battery modules 7 and liquid cooling plate 5.
In the utility model, it is arranged between several upper layer battery modules 6 and several lower layer's battery modules 7 and liquid cooling plate 5 thermally conductive
Glue-line, being effectively ensured can be thermally conductive from battery modules in time, and is radiated by liquid cooling plate 5, keeps the excellent of battery performance.
The outer rim of the lower box 2 is equipped with several connecting plates 19, and the connecting plate is equipped with mounting hole 18.
In the utility model, connecting plate 19 be in fact with the outline border of lower box 2 it is integrally formed, have structure it is simple,
The high advantage of intensity completes the connection with ambient enviroment by mounting hole 18, increases the reliability of connection.
The utility model pass through include in cavity 3 between the upper cover 1 being equipped with and lower box 2 setting battery modules and
Thermal management assemblies, the top and bottom of the liquid cooling plate 5 of thermal management assemblies be respectively set several upper layer battery modules 6 and it is several under
Layer battery modules 7, and the bottom face of upper layer battery modules 6 and lower layer's battery modules 7 is oppositely arranged, and by lower layer's battery modules 7
It is connected between the cooperation of lower box 2, upper layer battery modules 6 and lower layer's battery modules 7, simplifies the heat management structure of battery pack, led to
Cross the heat management that single liquid cooling plate 5 realizes two layers of battery modules, and due to upper layer battery modules 6 and lower layer's battery modules 7
Bottom face is opposite, and battery pack is whole, and without Additional insulation design requirement, structure is simple, at low cost, reduces the leakage risk of coolant liquid,
Guarantee that heat transfer efficiency is high while whole lightweight demand.
Claims (10)
1. a kind of lightweight high-efficiency battery packet, the sky including the upper cover being equipped with and lower box, between the upper cover and lower box
It is intracavitary equipped with the battery modules being equipped with and thermal management assemblies, it is characterised in that: the thermal management assemblies include be equipped with it is several
The liquid cooling plate of through-hole, the top and bottom of the liquid cooling plate are respectively equipped with several upper layer battery modules and several lower layer's battery moulds
Group, upward, the pole of lower layer's battery modules is downward for the pole of the upper layer battery modules；The upper layer battery modules pass through
Connector is connect through through-hole with lower layer battery modules, and lower layer's battery modules are equipped with lower box.
2. a kind of lightweight high-efficiency battery packet according to claim 1, it is characterised in that: the lower box includes bottom plate,
The bottom edge is equipped with frame straight up, and the frame includes the first end to end aluminum profile part of several segments；Under described
Cooperation lower layer's battery modules are equipped with several reinforcing ribs in cabinet.
3. a kind of lightweight high-efficiency battery packet according to claim 2, it is characterised in that: any first aluminum profile part
The notch of polygon groove including Qian type groove and integration at the top of Qian type groove, the Qian type groove and polygon groove is opposite, institute
The slot bottom for stating polygon groove is parallel with the slot bottom of Qian type groove；Several support plates are respectively equipped in the Qian type groove and polygon groove.
4. a kind of lightweight high-efficiency battery packet according to claim 3, it is characterised in that: several in the Qian type groove
Fagging is uniformly set between the two sides cell wall of Qian type groove, and any support plate is parallel to the bottom surface of Qian type groove.
5. a kind of lightweight high-efficiency battery packet according to claim 3, it is characterised in that: several in the polygon groove
Support plate includes the one or more of inclined plate, transverse slat and riser, any support plate and polygon groove or remaining 1 or 2 support
Plate constitutes hollow triangular prism.
6. a kind of lightweight high-efficiency battery packet according to claim 2, it is characterised in that: the reinforcing rib includes the second aluminium
Profile piece, the second aluminum profile part include cuboid outline border, and several stiffening plates are equipped in the cuboid outline border.
7. a kind of lightweight high-efficiency battery packet according to claim 6, it is characterised in that: several stiffening plates are uniformly set
Between the two sidewalls of cuboid outline border, any stiffening plate is parallel to the bottom surface of cuboid outline border.
8. a kind of lightweight high-efficiency battery packet according to claim 2, it is characterised in that: lower layer's battery modules with plus
Strengthening tendons are bolted.
9. a kind of lightweight high-efficiency battery packet according to claim 1, it is characterised in that: several upper layer battery modules
And heat-conducting glue layer is equipped between several lower layer's battery modules and liquid cooling plate.
10. a kind of lightweight high-efficiency battery packet according to claim 1, it is characterised in that: the outer rim of the lower box is set
There are several connecting plates, the connecting plate is equipped with mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821377577.4U CN208622789U (en) | 2018-08-26 | 2018-08-26 | A kind of lightweight high-efficiency battery packet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821377577.4U CN208622789U (en) | 2018-08-26 | 2018-08-26 | A kind of lightweight high-efficiency battery packet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208622789U true CN208622789U (en) | 2019-03-19 |
Family
ID=65716176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821377577.4U Active CN208622789U (en) | 2018-08-26 | 2018-08-26 | A kind of lightweight high-efficiency battery packet |
Country Status (1)
| Country | Link |
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| CN (1) | CN208622789U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021015679A (en) * | 2019-07-10 | 2021-02-12 | 本田技研工業株式会社 | Power storage module |
| WO2023284133A1 (en) * | 2021-07-16 | 2023-01-19 | 孚能科技(镇江)有限公司 | Battery device and preparation method therefor |
-
2018
- 2018-08-26 CN CN201821377577.4U patent/CN208622789U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021015679A (en) * | 2019-07-10 | 2021-02-12 | 本田技研工業株式会社 | Power storage module |
| JP7267129B2 (en) | 2019-07-10 | 2023-05-01 | 本田技研工業株式会社 | storage module |
| WO2023284133A1 (en) * | 2021-07-16 | 2023-01-19 | 孚能科技(镇江)有限公司 | Battery device and preparation method therefor |
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