CN209045655U - A kind of the battery core fixed structure and electric vehicle of electric car - Google Patents
A kind of the battery core fixed structure and electric vehicle of electric car Download PDFInfo
- Publication number
- CN209045655U CN209045655U CN201822077274.7U CN201822077274U CN209045655U CN 209045655 U CN209045655 U CN 209045655U CN 201822077274 U CN201822077274 U CN 201822077274U CN 209045655 U CN209045655 U CN 209045655U
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- Prior art keywords
- battery core
- electric car
- fixed structure
- battery
- heat sink
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- 239000000463 material Substances 0.000 claims abstract description 41
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 239000000084 colloidal system Substances 0.000 claims description 9
- 229920005989 resin Polymers 0.000 claims description 9
- 239000011347 resin Substances 0.000 claims description 9
- 238000001816 cooling Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims description 4
- 239000006260 foam Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 claims description 4
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000004020 conductor Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 description 12
- 238000005516 engineering process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 239000011231 conductive filler Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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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- Secondary Cells (AREA)
Abstract
The utility model discloses a kind of battery core fixed structures of electric car, it includes automobile chassis, heat sink and several battery cores, the heat sink is fixedly connected on the automobile chassis, each battery core passes through fixed material arrangement on the heat sink, each battery core is soft pack cell or steel shell battery core, when each battery core is soft pack cell, there are the gaps of 1mm~10mm between each soft pack cell.The battery core fixed structure and electric vehicle of electric car provided by the utility model, radiating efficiency is high, and can arrange more battery cores on automobile chassis, and energy density is big.
Description
Technical field
The utility model relates to battery technology field, the battery core fixed structure and electric vehicle of especially a kind of electric car.
Background technique
Battery core refers to the individually electrochemistry battery core containing positive and negative electrode, including soft pack cell and steel shell battery core.Battery PACK mono-
As refer to single battery component, for example: two battery cores are together in series, and form a certain specific shape according to customer requirement, we are just
It is its battery PACK, refers generally to assembled battery.Battery modules are by several to hundreds of batteries via in parallel and series connection institute's group
At multiple battery PACK, in addition to mechanism designs part, along with battery management system and heat management system just constitute one
More complete battery pack system.
With gradually popularizing for electric car, people increasingly pay close attention to the performance and manufacturing cost of batteries of electric automobile.Electricity
The battery of electrical automobile is typically mounted on automobile chassis, battery core at this stage, either soft pack cell or steel shell battery core, can not
It is fixed on automobile chassis by modes such as welding, is fixed into battery PACK, multiple battery PACK generally by mechanical structure
It is fixed again by mechanical structure after becoming a whole set of mould group, then be fixedly connected with electric vehicle chassis.
In view of the globality and consistency problem of battery modules and battery PACK, need to add reinforcing rib, knot on chassis
Structure beam etc. causes battery core that cannot be covered with completely on entire chassis, causes the installing engineering amount of battery big, causes on vehicle big
The space waste and weight of amount increase, and are restricted the energy density of battery and impact to electric car continuation of the journey, to future
The continuation of the journey development of electric car causes severely restricts.And battery modules and battery PACK need to consider that heat dissipation is asked in design
Topic, avoids thermal runaway, but current battery design is by processing technology itself because being restricted, can not accomplish battery core heat dissipation with
The maximization of heat preservation, is easy to happen the accident for causing electric car on fire because of thermal runaway.In addition, electronic vapour at this stage is because of vehicle
Model, size and design etc. difference, battery modules and battery PACK need to redesign due to different automobiles,
Cause a large amount of repeated work.
Utility model content
The purpose of the utility model is to provide the battery core fixed structure and electric vehicle of a kind of electric car, radiating efficiencys
Height, can arrange more battery cores on automobile chassis, and energy density is big.
To achieve the goals above, the utility model embodiment provides a kind of battery core fixed structure of electric car, packet
Automobile chassis, heat sink and several battery cores are included, the heat sink is fixedly connected on the automobile chassis, and each battery core is logical
Fixed material arrangement is crossed on the heat sink,
Each battery core is soft pack cell or steel shell battery core, each described soft when each battery core is soft pack cell
There are the gaps of 1mm~10mm between packet battery core.
Preferably, the fixed material is colloid.
Preferably, the fixed material is resin material or rubber material.
It preferably, further include Heat Conduction Material, the Heat Conduction Material is filled in the gap.
Preferably, the Heat Conduction Material is thermally conductive colloid or foam or thermal conductive silicon rubber mat.
Preferably, the thermally conductive colloid is resin or gel.
Preferably, heat dissipation water cooling tube is placed in the heat sink.
Identical in order to solve the problems, such as, the utility model embodiment also provides a kind of electric car comprising above-mentioned technology
The battery core fixed structure of electric car described in scheme.
To sum up, a kind of the battery core fixed structure and electric vehicle of electric car provided by the utility model embodiment, have
Following advantages:
1, battery core is directly fixed on heat sink by fixed material, heat sink is fixed on automobile chassis, is eliminated
The unnecessary mechanical structure for being used to fix battery, reduces the weight of battery core fixed structure, user can be according to automobile chassis
Battery core as much as possible is arranged to automobile chassis, accomplished by the arrangement that battery core is optimized with the space on heat sink
The maximization of space utilization and energy density；
2, battery core bottom is equipped with heat sink, and heat dissipation water cooling tube is equipped in heat sink, strengthens the heat dissipation of battery core fixed structure
Performance fills Heat Conduction Material in the gap between battery core and battery core, further improves the thermal conductivity of battery core fixed structure.
Detailed description of the invention
Fig. 1 is the perspective view of the soft pack cell fixed structure of electric car provided by the embodiment of the utility model；
Fig. 2 is the top view of the steel shell battery core fixed structure of electric car provided by the embodiment of the utility model；
Fig. 3 is the perspective view of the steel shell battery core fixed structure of electric car provided by the embodiment of the utility model.
Appended drawing reference:
1, automobile chassis, 2, heat sink, 3, battery core, 4, fixed material, 5, gap, 6, Heat Conduction Material.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
In the description of the present invention, it should be noted that the orientation of the instructions such as term " on ", "bottom", "inner", "outside"
Or positional relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description the utility model and simplification is retouched
It states, rather than the device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation,
Therefore it should not be understood as limiting the present invention.
As shown in Figure 1 to Figure 3, the utility model provides a kind of battery core fixed structure of electric car comprising automobile bottom
Disk 1, heat sink 2 and several battery cores 3, heat sink 2 are fixedly connected on automobile chassis 1, and each battery core 3 passes through fixed 4 row of material
It being distributed on heat sink 2, each battery core 3 is soft pack cell or steel shell battery core, when each battery core 3 is soft pack cell, each Soft Roll electricity
There are the gaps of 1mm~10mm 5 between core.
Based on the above-mentioned technical proposal, heat sink 2 is fixed on automobile chassis 1 by mechanical structure, so that battery core 3 has
One structural strength is preferable, the preferable support bottom plate of heat dissipation performance.Battery core 3 passes through fixed material 4 and is directly anchored to heat sink 2
On, the temperature of the structure is cooling and control effect is preferable, there is stronger heat dissipation performance, at the same do not need using such as reinforcing rib or
Traditional mode being mechanically fixed such as structural beams, reduces the weight of battery core fixed structure, but also having on automobile chassis 1 more
Space can arrange more battery cores 3, maximumlly utilize existing space, enable the battery energy density of electric car bigger.
The distance between adjustable battery core 3 of user reduces influencing each other and interfering between battery core 3 and battery core 3.In view of Soft Roll
Battery core in charge and discharge process there are the volume change of thickness direction, can between soft pack cell and soft pack cell when battery core 3 is arranged
To reserve the gap 1~10mm 5.Steel shell battery core therefore, there is no need to consider volume expansion because its volume has been fettered by its metal shell
The problem of.Certainly, as shown in figure 3, user can also be needed according to oneself to there are one between steel shell battery core and steel shell battery core
Fixed gap 5.The battery core fixed structure of the electric car can make optimal battery core arrangement according to automobile chassis and heat sink, no
Need for battery core to be encapsulated as battery modules and battery PACK, battery core fixed structure can be with one-pass molding, and cost is less expensive, reliability
It is higher.
Wherein, fixed material 4 is colloform texture, can be by changing when certain vehicle needs to match the stronger structure glue of hardness
Into the formula of colloid, so that hardness with higher after glue curing.When certain vehicle needs to match flexible structure glue, can pass through
The formula for improving colloid guarantees there is lower hardness after colloid solidifies.The specific fixed formula of material 4 need to be according to specific vehicle
Type requires to be matched.Fixed material 4 is resin material or rubber material, for battery core 3 to be bonded in heat sink 2, Gu
Set the position of each battery core 3.Resin material includes acrylic acid and/or polyurethane.Acrylic acid can be applied to synthetic resin list
Body prepares high polymer, such as hard resin.Polyurethane has stronger mechanical strength and oxidation stability, has excellent fire resisting
Property.In the present embodiment, resin material can be acrylic resin or polyurethane resin.
Particularly, 3 fixed structure of battery core of electric car provided by the embodiment of the utility model further includes Heat Conduction Material 6,
Heat Conduction Material 6 is filled in gap 5.User can use needs according to different, select hard or soft Heat Conduction Material 6.
Heat Conduction Material 6 can choose soft Heat Conduction Material 6, while fixed core strueture, electric car can be absorbed and running
Vibration and impact in the process increase security performance so that the battery core fixed structure of rigidity becomes flexibility originally.Heat Conduction Material
6 can significantly improve rate of heat dissipation, and when battery core 3 overheats, heat can also pass to thermally conductive other than it can pass to heat sink 2
Material 6, avoids thermal runaway from causing the accident.In practical applications, as shown in Fig. 2, steel shell battery core can also pass through Heat Conduction Material 6
Filling is to obtain better heating conduction.Heat Conduction Material 6 can be heat-conducting glue body or foam or thermal conductive silicon rubber mat.Thermally conductive colloid is
Resin or gel, heat-resist, thermal conductivity is high.Foam has preferable elasticity, and lighter in weight, and it is solid can to reduce battery core 3
Determine the overall weight of structure.Thermal conductive silicon rubber mat has certain flexibility, excellent insulating properties, compressibility, surface are natural to glue
Property, can blind, the heat for completing heating position and radiating part interdigit transmits, while the effects of also act as insulation, damping, energy
The design requirement for enough meeting device miniaturization and ultrathin is great craftsmanship and usability, and thickness is applied widely, is one
The splendid conductive filler material of kind.
Further, heat dissipation water cooling tube can be placed with according to the needs of users inside heat sink 2.Heat dissipation water cooling tube is set
It sets inside heat sink 2, according to different radiating efficiency requirements, can have different arrangement modes, such as snakelike arrangement or annular
Arrangement.All heat dissipation water cooling tubes are arranged in inside heat sink 2, will not protrude from the outside of heat sink 2.
Identical in order to solve the problems, such as, the utility model embodiment also provides a kind of electric car comprising above-mentioned electricity
The battery core fixed structure of electrical automobile.The electric car has bigger battery energy density, and the performance of more secure and reliable, vehicle obtains
To improve.
To sum up, a kind of the battery core fixed structure and electric vehicle of electric car provided by the utility model embodiment, have
Following advantages:
Battery core is directly fixed on heat sink by fixed material, heat sink is fixed on automobile chassis, is eliminated not
It is necessary to reduce the weight of battery core fixed structure for fixing the mechanical structure of battery, user can according to automobile chassis and
Battery core as much as possible is arranged to automobile chassis, accomplishes sky to the arrangement that battery core is optimized in space on heat sink
Between using and energy density maximization；
Battery core bottom is equipped with heat sink, and heat dissipation water cooling tube is equipped in heat sink, strengthens the thermal diffusivity of battery core fixed structure
Can, Heat Conduction Material is filled in the gap between battery core and battery core, further improves the thermal conductivity of battery core fixed structure.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (8)
1. a kind of battery core fixed structure of electric car, it is characterised in that: including automobile chassis, heat sink and several battery cores,
The heat sink is fixedly connected on the automobile chassis, and each battery core passes through fixed material arrangement on the heat sink,
Each battery core is soft pack cell or steel shell battery core, when each battery core is soft pack cell, each Soft Roll electricity
There are the gaps of 1mm~10mm between core.
2. the battery core fixed structure of electric car according to claim 1, it is characterised in that: the fixed material is glue
Body.
3. the battery core fixed structure of electric car according to claim 2, it is characterised in that: the fixed material is resin
Material or rubber material.
4. the battery core fixed structure of electric car according to claim 1-3, it is characterised in that: further include thermally conductive
Material, the Heat Conduction Material are filled in the gap.
5. the battery core fixed structure of electric car according to claim 4, it is characterised in that: the Heat Conduction Material is thermally conductive
Colloid or foam or thermal conductive silicon rubber mat.
6. the battery core fixed structure of electric car according to claim 5, it is characterised in that: the thermally conductive colloid is resin
Or gel.
7. the battery core fixed structure of electric car according to claim 1, it is characterised in that: be placed in the heat sink
Radiate water cooling tube.
8. a kind of electric car, it is characterised in that: the battery core including such as described in any item electric cars of claim 1-7 is fixed
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077274.7U CN209045655U (en) | 2018-12-10 | 2018-12-10 | A kind of the battery core fixed structure and electric vehicle of electric car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822077274.7U CN209045655U (en) | 2018-12-10 | 2018-12-10 | A kind of the battery core fixed structure and electric vehicle of electric car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045655U true CN209045655U (en) | 2019-06-28 |
Family
ID=67044267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822077274.7U Active CN209045655U (en) | 2018-12-10 | 2018-12-10 | A kind of the battery core fixed structure and electric vehicle of electric car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209045655U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449338A (en) * | 2018-12-10 | 2019-03-08 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
| CN115000592A (en) * | 2022-06-20 | 2022-09-02 | 万向一二三股份公司 | Novel soft-package square-shell battery |
-
2018
- 2018-12-10 CN CN201822077274.7U patent/CN209045655U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109449338A (en) * | 2018-12-10 | 2019-03-08 | 广州市垠瀚能源科技有限公司 | A kind of the battery core fixed structure and electric vehicle of electric car |
| CN109449338B (en) * | 2018-12-10 | 2024-05-07 | 广州市垠瀚能源科技有限公司 | Battery core fixing structure of electric automobile and electric automobile |
| CN115000592A (en) * | 2022-06-20 | 2022-09-02 | 万向一二三股份公司 | Novel soft-package square-shell battery |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A battery cell fixing structure for electric vehicles and electric vehicles Granted publication date: 20190628 Pledgee: China Construction Bank Co.,Ltd. Guangzhou Haizhu Branch Pledgor: GUANGZHOU YINHAN ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2024980011605 |