CN110323375A - Battery modules and power module - Google Patents
Battery modules and power module Download PDFInfo
- Publication number
- CN110323375A CN110323375A CN201810276812.7A CN201810276812A CN110323375A CN 110323375 A CN110323375 A CN 110323375A CN 201810276812 A CN201810276812 A CN 201810276812A CN 110323375 A CN110323375 A CN 110323375A
- Authority
- CN
- China
- Prior art keywords
- elastic
- plate
- battery modules
- frame
- core group
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 229910000838 Al alloy Inorganic materials 0.000 claims description 5
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/64—Constructional details of batteries specially adapted for electric vehicles
-
- 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
-
- 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
- H01M50/30—Arrangements for facilitating escape of gases
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The present invention relates to a kind of battery modules and power modules.The battery modules include frame and the battery core group that is placed in frame, the frame includes frame body, there are two the end plates and two side plates being oppositely arranged that are oppositely arranged for the frame body tool, elastic plate is equipped between the end plate and battery core group, the raised elastic surface of elastic plate and the supporting surface for being used to support elastic plate, the two sides of the elastic surface are connected with supporting surface.Elastic plate is equipped between the end plate and battery core group of the battery modules battery modules, elastic plate has elastic surface towards battery core group protrusion and is used to support the supporting surface of elastic plate, the deformation quantity for the elastic surface that elastic surface converts the expansive force of battery core group to, the two sides of elastic surface are connected with supporting surface, the expansive force that can be will be perpendicular on end plate is distributed to side plate a part, avoids the problem that framework excessive deformation occurs and even cracks.
Description
Technical field
The present invention relates to a kind of battery modules and power modules.
Background technique
Electric vehicle has the characteristics that high-efficient, low noise and avoids secondary pollution, is an important side of vehicle development
Be power module to the energy-storage units of, electric vehicle, power module is made of multiple battery modules, battery modules include two with
On battery core and frame for fixing battery core.
Publication No. is CN102237546A, and date of publication is that the Chinese patent application of 2011.11.09 discloses a kind of battery mould
Block, the battery module include multiple element cells and a pair of end plate, and multiple element cells form battery core group, battery core group and at least one
Pressure control unit is equipped between a end plate, the pressure control unit includes elastic plate, control screw and supporting element, supporting element
It is separately positioned on elastic plate end with control screw, control screw can apply physical force control elasticity according to the degrees of expansion of battery
Plate benging degree ensure that the dimensionally stable of entire battery modules.But it of the elastic plate of above-mentioned battery module and battery core group
Between space it is smaller, elastic plate and control screw matching requirements it is higher, assembly manipulation is inconvenient；In addition, elastic plate and electricity
The contact area of core group is smaller, when control screw adjusts the bending degree of elastic plate, the frictional force between elastic plate and battery core group
It is larger, it is easy that battery core group is caused to damage.
Notification number is CN206332080U, and the day for announcing is that the Chinese patent of 2017.07.14 discloses a kind of shockproof welding
Window frame structure, the window frame structure include for containing the framework of battery core group (frame i.e. in this patent), and framework includes two phases
End plate and two side plates being oppositely arranged to setting, the bottom of side plate are equipped with flanging, and flanging is equipped with vibration-damped component, side plate both ends
It is welded to connect with end plate, the lower end of end plate is supported on the flanging of side plate bottom, and when frame assembly vibrates, shock absorber part can be played
Buffer function improves the shock resistance of frame assembly.
But the battery core in above-mentioned window frame structure, during cycle operation, the effect of chemical reaction will lead to battery core
Expansion, above-mentioned window frame structure have fixed space, and the expansive force of battery core produces huge effect to the framework of window frame structure
Power, framework influence the safety of entire power module it is possible that excessive deformation is even cracked.
Summary of the invention
The purpose of the present invention is to provide a kind of battery modules, the frame for solving battery modules in the prior art may be because
There is the problem of excessive deformation even cracks for the expansive force of battery core；The object of the invention is also to provide a kind of power modules.
To achieve the above object, the technical solution of battery modules of the present invention is: the battery modules include frame and are placed on
Battery core group in frame, the frame include frame body, and there are two the end plate being oppositely arranged and two for the frame body tool
The side plate being oppositely arranged, equipped with elastic plate, the raised elastic surface of elastic plate and for branch between the end plate and battery core group
The supporting surface of elastic plate is supportted, the two sides of the elastic surface are connected with supporting surface.
The beneficial effect is that: elastic plate, elastic plate tool are equipped between the end plate and battery core group of the battery modules battery modules
Have towards battery core group protrusion elastic surface and be used to support the supporting surface of elastic plate, elastic surface converts the expansive force of battery core group to
Elastic surface deformation quantity, the two sides of elastic surface are connected with supporting surface, and the expansive force that can be will be perpendicular on end plate is distributed to side
Plate a part avoids the problem that framework excessive deformation occurs and even cracks.
The elastic surface is raised towards battery core group direction.
The beneficial effect is that: since the expansive force that battery core group battery core group generates in charge and discharge process focuses mostly in battery core
Middle part, elastic plate keep the stress of end plate relatively uniform towards battery core group direction protrusion, supporting surface.
The elastic surface is arc elastic face.
The supporting surface is the plane for connecting elastic plate two sides.
The beneficial effect is that: supporting surface is the plane for connecting elastic plate two sides, keeps entire elastic plate simple, manufacturer
Just.
The elastic surface and supporting surface are spaced two-ply.
The elastic plate is made of elastic material.
The frame body is made of metal material.
The frame body is made of aluminium alloy.
The technical solution of power module of the present invention is: power module includes battery modules, and the battery modules include frame
With the battery core group being placed in frame, the frame includes frame body, and there are two the ends being oppositely arranged for the frame body tool
Plate and two side plates being oppositely arranged are equipped with elastic plate, the raised elastic surface of elastic plate between the end plate and battery core group
It is connected with the two sides of the supporting surface for being used to support elastic plate, the elastic surface with supporting surface.
The elastic surface is raised towards battery core group direction.
The elastic surface is arc elastic face.
The supporting surface is the plane for connecting elastic plate two sides.
The elastic surface and supporting surface are spaced two-ply.
The elastic plate is made of elastic material.
The frame body is made of metal material.
The frame body is made of aluminium alloy.
Detailed description of the invention
Fig. 1 is the structural exploded view of the embodiment 1 of battery modules of the present invention；
Fig. 2 is the structural schematic diagram of the frame of battery modules shown in FIG. 1；
Fig. 3 is the structural schematic diagram that battery modules shown in FIG. 1 are completed；
Fig. 4 is the structural exploded view of the embodiment 2 of battery modules of the present invention；
Fig. 5 is the sectional view of the elastic plate of the embodiment 3 of battery modules of the present invention.
Description of symbols: 1. frame bodies；11. end plate；12. side plate；2. elastic plate；21. elastic surface；22. supporting surface；
3. battery core group；4. bolt；5. nut；6. bolt hole.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment 1 of battery modules of the present invention, as shown in Figure 1 to Figure 3, the battery modules include frame and are arranged in frame
Intracorporal battery core group 3, frame include frame body 1, and there are two the end plates 11 being oppositely arranged and two to set relatively for the tool of frame body 1
The side plate 12 set, frame body 1 are made of aluminium alloy, frame body 1 be by extrusion forming process be fabricated one at
Type structure, frame body 1 are equipped with and are additionally provided with the bolt hole 6 being fixedly connected for the cabinet with power module.
The frame of battery modules of the present invention uses aluminium alloy extruded integrated formed structure, compared to traditional end plate 11 and side
The mode of 12 welding fabrication of plate, improves the assembly efficiency of entire battery modules, and does not need the welding equipment, dedicated of profession
Welding tooling and technical professional, reduce equipment cost and human cost.
In the present embodiment, elastic plate 2 is equipped between the end plate 11 and battery core group 3 of frame body 1, elastic plate 2 has convex
The elastic surface 21 risen and the supporting surface 22 for being used to support elastic plate 2, the two sides of elastic surface 21 are connected with supporting surface 22, elastic surface 21
Towards 3 direction of battery core group protrusion, elastic surface 21 is arc elastic face, and supporting surface 22 is the plane for connecting elastic plate two sides, elasticity
Face 21 and supporting surface 22 are spaced two-ply.
When battery modules assemble, after several battery cores are pasted in groups with structure glue, then two pieces of elastic plates 2 are pasted
To the outside of battery core group 3, the battery core group 3 with elastic plate 2 is assembled to the inside of frame body 1, finally in link bolt hole 6
Interior loading bolt 4 is simultaneously fixed by nut 5, entire battery modules is fixed on the cabinet of power module, the elasticity of elastic plate 2
Face 21 converts the expansive force that battery core group 3 generates in charge and discharge process to the deformation quantity of elastic surface 21, the two sides of elastic surface 21
It is connected with supporting surface 22, the expansive force that can be will be perpendicular on end plate 11 is distributed to 12 a part of side plate, avoids both ends frame
There is the problem of excessive deformation is even cracked in ontology 1, and ensure that entire battery modules size constancy.
The embodiment 2 of battery modules of the present invention, difference from example 1 is that, as shown in figure 4, battery modules
12 split settings of end plate 11 and side plate of frame body 1, end plate 11 are welded and fixed with side plate 12.
The embodiment 3 of battery modules of the present invention, difference from example 1 is that, as shown in figure 5, the branch of elastic plate 2
There are two support face 22 is set, the two sides of elastic surface 21 are connect with a supporting surface 22 respectively.
The embodiment 4 of battery modules of the present invention, difference from example 1 is that, 21 direction of elastic surface of elastic plate 2
11 protrusion of end plate.
The embodiment 5 of battery modules of the present invention, difference from example 1 is that, the elastic surface 21 and branch of elastic plate 2
A plurality of cavities structure is equipped between the plate face of two layers of support face 22.
In other embodiments, elastic plate is solid slab made of elastic material, and elastic surface and supporting surface are elastic plate two
The plate face of side.
In other embodiments, the cross sectional shape of elastic plate is trapezoidal.
The embodiment of power module of the present invention, the power module include battery modules, the battery modules and above-mentioned hair
The structure of any embodiment of bright battery modules is identical, is not repeated to illustrate.
Claims (10)
1. battery modules, including frame and the battery core group being placed in frame, the frame includes frame body, the frame sheet
There are two the end plates and two side plates being oppositely arranged that are oppositely arranged for body tool, it is characterised in that: between the end plate and battery core group
Equipped with elastic plate, the raised elastic surface of elastic plate and the supporting surface for being used to support elastic plate, the two sides of the elastic surface and
Supporting surface is connected.
2. battery modules according to claim 1, it is characterised in that: the elastic surface is raised towards battery core group direction.
3. battery modules according to claim 2, it is characterised in that: the elastic surface is arc elastic face.
4. battery modules according to claim 1 or 2 or 3, it is characterised in that: the supporting surface is connection elastic plate two sides
Plane.
5. battery modules according to claim 1 or 2 or 3, it is characterised in that: the elastic surface and supporting surface set for interval
The two-ply set.
6. battery modules according to claim 1 or 2 or 3, it is characterised in that: the elastic plate is made of elastic material.
7. battery modules according to claim 1 or 2 or 3, it is characterised in that: the frame body is by metal material system
At.
8. battery modules according to claim 7, it is characterised in that: the frame body is made of aluminium alloy.
9. power module, including battery modules, the battery modules include frame and the battery core group that is placed in frame, the frame
Frame includes frame body, and there are two the end plate and two side plates being oppositely arranged that are oppositely arranged, features for the frame body tool
It is: is equipped with elastic plate between the end plate and battery core group, the raised elastic surface of elastic plate and is used to support elastic plate
The two sides of supporting surface, the elastic surface are connected with supporting surface.
10. power module according to claim 9, it is characterised in that: the elastic surface is raised towards battery core group direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276812.7A CN110323375A (en) | 2018-03-30 | 2018-03-30 | Battery modules and power module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810276812.7A CN110323375A (en) | 2018-03-30 | 2018-03-30 | Battery modules and power module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110323375A true CN110323375A (en) | 2019-10-11 |
Family
ID=68111538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810276812.7A Pending CN110323375A (en) | 2018-03-30 | 2018-03-30 | Battery modules and power module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110323375A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102169350B1 (en) * | 2019-10-18 | 2020-10-26 | 경일대학교산학협력단 | Easy battery installable and removable drone and charging module used to the same |
| DE102022119606A1 (en) | 2022-08-04 | 2024-02-15 | Man Truck & Bus Se | Energy storage device and method for producing an energy storage device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237546A (en) * | 2010-04-21 | 2011-11-09 | Sb锂摩托有限公司 | Battery module, battery pack and electric vehicle |
| JP2015149238A (en) * | 2014-02-07 | 2015-08-20 | 株式会社日本自動車部品総合研究所 | Battery assembly |
| CN205429045U (en) * | 2016-03-22 | 2016-08-03 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN107851759A (en) * | 2016-05-31 | 2018-03-27 | 株式会社Lg化学 | Battery module and battery pack and vehicle including the battery module |
| CN208208818U (en) * | 2018-03-30 | 2018-12-07 | 郑州深澜动力科技有限公司 | A kind of battery modules and power module |
-
2018
- 2018-03-30 CN CN201810276812.7A patent/CN110323375A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102237546A (en) * | 2010-04-21 | 2011-11-09 | Sb锂摩托有限公司 | Battery module, battery pack and electric vehicle |
| JP2015149238A (en) * | 2014-02-07 | 2015-08-20 | 株式会社日本自動車部品総合研究所 | Battery assembly |
| CN205429045U (en) * | 2016-03-22 | 2016-08-03 | 宁德时代新能源科技股份有限公司 | Battery module |
| CN107851759A (en) * | 2016-05-31 | 2018-03-27 | 株式会社Lg化学 | Battery module and battery pack and vehicle including the battery module |
| CN208208818U (en) * | 2018-03-30 | 2018-12-07 | 郑州深澜动力科技有限公司 | A kind of battery modules and power module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102169350B1 (en) * | 2019-10-18 | 2020-10-26 | 경일대학교산학협력단 | Easy battery installable and removable drone and charging module used to the same |
| DE102022119606A1 (en) | 2022-08-04 | 2024-02-15 | Man Truck & Bus Se | Energy storage device and method for producing an energy storage device |
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