CN209071563U - A kind of electric vehicle and its battery modules - Google Patents
A kind of electric vehicle and its battery modules Download PDFInfo
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- CN209071563U CN209071563U CN201821684434.8U CN201821684434U CN209071563U CN 209071563 U CN209071563 U CN 209071563U CN 201821684434 U CN201821684434 U CN 201821684434U CN 209071563 U CN209071563 U CN 209071563U
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- battery core
- liquid cooling
- cooling plate
- heat
- battery
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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 power battery technology field, a kind of electric vehicle and its battery modules are specifically provided.Electric vehicle includes vehicle frame and the battery modules that are arranged on vehicle frame, battery modules include liquid cooling plate and the battery core that is arranged on liquid cooling plate, battery core is adhesively fixed with liquid cooling plate, it is equipped with the structure glue of Nian Jie liquid cooling plate and battery core between liquid cooling plate and battery core, the Heat Conduction Material for contacting conduction heat with liquid cooling plate and battery core is equipped between liquid cooling plate and battery core.Structure glue is provided between liquid cooling plate and battery core, structure glue has high bonding strength, it is stronger than the cementability of heat-conducting glue, battery core can be stably connected on liquid cooling plate, Heat Conduction Material is additionally provided between liquid cooling plate and battery core, it can guarantee that bonding strength, Heat Conduction Material can be realized thermally conductive function possessed by heat-conducting glue again, improve the bonding strength of battery core in battery modules using structure glue in the utility model.
Description
Technical field
The utility model relates to power battery technology fields, and in particular to a kind of electric vehicle and its battery modules.
Background technique
With being constantly progressive for power battery technology, electrokinetic cell system is also more and more extensive in the application of automotive field.
At the same time, with the development of technology, electric vehicle is also higher and higher to the performance requirement of electrokinetic cell system.Electric vehicle exists
In high magnification charging and traveling use process, the constant temperature of battery core and battery case will lead to as the battery core fever of battery cell
Increase, lead to charging alarm/current limliting of dynamical system, can make charging time is elongated, output power reduces, and battery core is generated heat
Cause the temperature of battery and battery modules excessively high, the service life of dynamical system is made to shorten.The problem of temperature rise of battery modules becomes system
About power system performance and an important factor for the service life, improves the excessively high problem of temperature in battery modules in battery core and battery case, can
To effectively improve the charge-discharge performance of dynamical system and the service life of dynamical system.
In the prior art, it in order to guarantee the normal works of battery modules, generallys use liquid cooling plate and radiates to battery core.
If Authorization Notice No. is CN203631621U, authorized announcement date is a kind of battery mould disclosed in the patent document of 2014.06.04
Group, the battery modules include stacking gradually the battery pack formed by multiple battery cores, are arranged at the both ends of the stacking direction of battery pack
There is metal end plate, end insulation board is provided between metal end plate and battery core.In two fronts of each battery core, each end insulation boards in electricity
Structure glue is coated on the face that front and back sides, each metal end plate on core stacking direction are bonded with respective end insulation board.In battery pack
Bottom surface on be provided with metal base plate, insulating film, the bottom surface of insulating film and battery pack are provided on the entire inner surface of metal base plate
Between be provided with heat-conducting glue, metal base plate can transmit outward the heat of battery pack.
But battery modules, when moving with electric vehicle, vibration can be passed to the battery mould being fixed on vehicle frame by vehicle frame
Group is affected by vibrations battery modules, therefore the bottom surface of battery pack is fixed on metal base plate using only heat-conducting glue
When, there is very high requirement to the adhesive strength of heat-conducting glue, it is because with cementability that heat-conducting glue, which can play conductive force,
Colloid in joined the filler material for increasing the colloid capacity of heat transmission, such as metallic, metallic be mixed to form with colloid and lead
Hot glue, so heat-conducting glue had both had the capacity of heat transmission or had certain cementability, but cementability is led compared to not having
The structure glue of thermal energy power is weaker.It is fixed between battery pack and metal base plate using heat-conducting glue, fixing intensity is inadequate, in battery
The case where will appear battery pack and metal base plate Joint failure in the use process of mould group, in consideration of it, utility model goes out a kind of energy
Enough solve drawbacks described above battery modules be very it is necessary to.
Utility model content
The purpose of this utility model is to provide a kind of battery modules, it is strong to be able to solve battery modules connection in the prior art
Spend low problem；In addition, the utility model simultaneously be designed to provide a kind of electric vehicle using the battery modules, can
The connective stability for guaranteeing battery modules, guarantees the roadability of electric vehicle.
To achieve the above object, the electric vehicle in the utility model adopts the following technical scheme that
Electric vehicle, including vehicle frame and the battery modules being arranged on vehicle frame, the battery modules include liquid cooling plate and set
Set the battery core on liquid cooling plate, the battery core is adhesively fixed with liquid cooling plate, between liquid cooling plate and battery core be equipped with Nian Jie liquid cooling plate and
The structure glue of battery core is equipped with the Heat Conduction Material that conduction heat is contacted with liquid cooling plate and battery core between liquid cooling plate and battery core.
The beneficial effect is that: structure glue is provided between liquid cooling plate and battery core, structure glue has high bonding strength, than
The cementability of heat-conducting glue is strong, and battery core can be stably connected on liquid cooling plate, in order to which guarantee can between liquid cooling plate and battery core
It realizes good heat exchange, Heat Conduction Material is additionally provided between liquid cooling plate and battery core, it can using structure glue in the utility model
Guarantee that bonding strength, Heat Conduction Material can be realized thermally conductive function possessed by heat-conducting glue again, improve battery core in battery modules
Bonding strength, ensure that the job stability of battery modules, thus realize electric vehicle not and influenced by battery modules and can
Steady operation.
Further, the Heat Conduction Material is heat-conducting glue, battery core and liquid cooling plate with thermally conductive glue sticking.
The beneficial effect is that: Heat Conduction Material is set as heat-conducting glue, and heat-conducting glue had not only had the capacity of heat transmission but also had adhesion energy
Power improves the bonding strength of battery core and liquid cooling plate, and will increase weight there are filler material such as metallic in heat-conducting glue,
It is only provided with part heat-conducting glue between liquid cooling plate and battery core, avoids between liquid cooling plate and battery core completely using heat-conducting glue
Technical solution can also reduce the weight of battery modules, improve the energy density of battery modules.
Further, the structure glue is disposed to extend along the stacking direction of battery core to be formed and be bonded in battery core and liquid cooling plate
Between structure adhesive tape, the structure adhesive tape is arranged at intervals with two or more.
The beneficial effect is that: structure glue is arranged along battery core stacking direction, and forms structure glue on liquid cooling plate
Spaced apart two or more structure adhesive tape, two adjacent structure glue items are bonded the bottom surface of a battery core, can be realized
Multiple battery cores are fixed by a fixed adhesive tape, not only save structure glue, but also can provide for heat-conducting glue more
Fill space.
Further, the battery core bottom surface along perpendicular to battery core stacking direction both ends respectively with two spaced knots
Structure adhesive tape bonding.
The beneficial effect is that: battery modules mechanical oscillation, mechanical shock operating condition in, two sides in the width direction
Will receive compared with noticeable effort, therefore, make the bottom surface of battery core along the both ends perpendicular to battery core stacking direction simultaneously from different structures
Adhesive tape is bonded, and when the structure adhesive tape when battery core both ends does not fail in life cycle, foreign impacts are to rushing in the middle part of battery core
Effect very little is hit, therefore uses this connection structure, structure adhesive tape is made to carry out adhesion to the main force part of battery core.
To achieve the above object, the battery modules in the utility model adopt the following technical scheme that
Battery modules, including liquid cooling plate and the battery core being arranged on liquid cooling plate, the battery core is adhesively fixed with liquid cooling plate, liquid
It is equipped with the structure glue of Nian Jie liquid cooling plate and battery core between cold plate and battery core, is equipped with and liquid cooling plate and battery core between liquid cooling plate and battery core
The Heat Conduction Material of contact conduction heat.
The beneficial effect is that: structure glue is provided between liquid cooling plate and battery core, structure glue has high bonding strength, than
The cementability of heat-conducting glue is strong, and battery core can be stably connected on liquid cooling plate, in order to which guarantee can between liquid cooling plate and battery core
It realizes good heat exchange, Heat Conduction Material is additionally provided between liquid cooling plate and battery core, it can using structure glue in the utility model
Guarantee that bonding strength, Heat Conduction Material can be realized thermally conductive function possessed by heat-conducting glue again, improve battery core in battery modules
Bonding strength.
Further, the Heat Conduction Material is heat-conducting glue, battery core and liquid cooling plate with thermally conductive glue sticking.
The beneficial effect is that: Heat Conduction Material is set as heat-conducting glue, and heat-conducting glue had not only had the capacity of heat transmission but also had adhesion energy
Power improves the bonding strength of battery core and liquid cooling plate, and will increase weight there are filler material such as metallic in heat-conducting glue,
It is only provided with part heat-conducting glue between liquid cooling plate and battery core, avoids between liquid cooling plate and battery core completely using heat-conducting glue
Technical solution can also reduce the weight of battery modules, improve the energy density of battery modules.
Further, the structure glue is disposed to extend along the stacking direction of battery core to be formed and be bonded in battery core and liquid cooling plate
Between structure adhesive tape, the structure adhesive tape is arranged at intervals with two or more.
The beneficial effect is that: structure glue is arranged along battery core stacking direction, and forms structure glue on liquid cooling plate
Spaced apart two or more structure adhesive tape, two adjacent structure glue items are bonded the bottom surface of a battery core, can be realized
Multiple battery cores are fixed by a fixed adhesive tape, not only save structure glue, but also can provide for heat-conducting glue more
Fill space.
Further, the battery core bottom surface along perpendicular to battery core stacking direction both ends respectively with two spaced knots
Structure adhesive tape bonding.
The beneficial effect is that: battery modules mechanical oscillation, mechanical shock operating condition in, two sides in the width direction
Will receive compared with noticeable effort, therefore, make the bottom surface of battery core along the both ends perpendicular to battery core stacking direction simultaneously from different structures
Adhesive tape is bonded, and when the structure adhesive tape when battery core both ends does not fail in life cycle, foreign impacts are to rushing in the middle part of battery core
Effect very little is hit, therefore uses this connection structure, structure adhesive tape is made to carry out adhesion to the main force part of battery core.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of battery modules in the utility model；
Fig. 2 is the schematic diagram of structure glue and Heat Conduction Material arrangement form on liquid cooling plate in the utility model.
In figure: 1. liquid cooling plates；2. battery core；3. heat-conducting glue；4. structure glue.
Specific embodiment
Specific embodiment of the present utility model is illustrated now in conjunction with attached drawing.
Electric vehicle includes the vehicle frame to form electric vehicle main body, is provided on vehicle frame as electric vehicle power source
Battery modules.As shown in Figure 1, battery modules include liquid cooling plate 1 and the battery core being arranged on liquid cooling plate 12, battery core 2 is being filled
It can generate heat when electricity or electric discharge, be provided with cooling medium channel in liquid cooling plate 1, battery core 2 can be carried out when being passed through cooling medium cold
But it radiates, battery core 2 is maintained at stable working condition.In order to guarantee the connection relationship of battery core 2 Yu liquid cooling plate 1, in battery core 2 and liquid
Structure glue 4 is provided between cold plate 1, the effect of structure glue 4 is will to be stably connected between battery core 2 and liquid cooling plate 1, structure glue
4 be in the nature viscose glue, lighter weight, between liquid cooling plate 1 and battery core 2, be additionally provided with can be improved liquid cooling plate 1 and battery core 2 it
Between heat transference efficiency Heat Conduction Material.In this example, Heat Conduction Material is the heat-conducting glue 3 with cementability, is had in heat-conducting glue 3
Improve the metallic of conducting power.
As shown in Fig. 2, the shape of liquid cooling plate 1 is rectangle, structure glue is provided on liquid cooling plate 1 and the contact surface of battery core 2
4, structure glue 4 is disposed to extend on liquid cooling plate 1 along the stacking direction of battery core 2 and forms structure adhesive tape, such structure adhesive tape
It is arranged at intervals on liquid cooling plate 1 along the length direction of liquid cooling plate 1 multiple, the distance between structure adhesive tape is less than battery core 2
Width, the bottom surface of battery core 2 carries out with structure adhesive tape be bonded respectively along the both ends edge perpendicular to battery core stacking direction.One electricity
Multiple battery cores 2 in Chi Mo group have shared two-strip structure adhesive tape.It is provided with multiple batteries along its length on liquid cooling plate 1
Group is provided with interval between battery pack, this interval is relied on 1 length direction of liquid cooling plate, connects to different battery cores 2
What the structure adhesive tape arranged for interval connect was formed.
Between the structure adhesive tape being bonded to the same battery core 2, it is filled with heat-conducting glue 3, and heat-conducting glue 3 is complete
It is filled between two structure adhesive tape, this arragement construction makes to be covered with structure adhesive tape and heat-conducting glue between battery core 2 and liquid cooling plate 1
3, structure adhesive tape and heat-conducting glue 3 all have cementability, improve the bonding strength of battery core 2 Yu liquid cooling plate 1, and structure adhesive tape
Cementability it is stronger, and heat-conducting glue 3 also have the function of it is thermally conductive.
In other embodiments, Heat Conduction Material may be replaced by heat-conducting silicone grease, heat-conducting cream etc. without cementability
Material, or heat conductive pad is fixed in heat conductive pad relative to viscose glue is coated on the side of liquid cooling plate and battery core using heat conductive pad
Between battery core and liquid cooling plate.
In other embodiments, the bonding way of structure glue may be replaced by other forms, such as in battery core and liquid cooling
Carry out arragement construction glue along s shape on contact surface between plate, but should ensure that multiple battery cores can be bonded in by structure glue simultaneously
On liquid cooling plate, and no longer using come arragement construction glue, make along liquid cooling plate width direction structure glue to the width direction of battery core
The mode that two sides are supported.
In other embodiments, three adhesive tape can be set below a battery pack, has made the battery core in battery pack
Bottom surface is Nian Jie with spaced structure adhesive tape respectively along the both ends perpendicular to battery core stacking direction, at the middle part of the bottom surface of battery core
The structure adhesive tape being provided between the adhesive tape at both ends.
In other embodiments, structure glue can also form the large-scale shape such as blob of viscose between liquid cooling plate and battery core,
And it is not limited to form thin and long adhesive tape.
In other embodiments, between structure glue and Heat Conduction Material can also there are gaps, and do not have to Heat Conduction Material is spread
Completely between structure adhesive tape.
In other embodiments, structure glue can also be used to combine between groups of battery core and other plates with heat-conducting glue with
The form being bonded, such as directly battery core can be bonded in the bottom of battery case.
In other embodiments, end plate and side plate are also provided in battery modules battery core to be fixed, it can also
To increase band in the outside of end plate and side plate.
The structure of battery modules is identical as the structure of battery modules in above-mentioned electric vehicle embodiment in the utility model, because
This is not repeated to illustrate.
Above-described specific embodiment, purpose of utility model, technical scheme and beneficial effects to the utility model
It has been further described, it should be understood that the foregoing is merely specific embodiment of the present utility model, and
Be not used in the restriction protection scope of the utility model, it is all within the spirit and principles of the present invention, done any repair
Change, equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (4)
1. electric vehicle, including vehicle frame and the battery modules being arranged on vehicle frame, the battery modules include liquid cooling plate and setting
Battery core on liquid cooling plate, it is characterised in that: the battery core is adhesively fixed with liquid cooling plate, is equipped between liquid cooling plate and battery core Nian Jie
The structure glue of liquid cooling plate and battery core is equipped with the heat conduction material that conduction heat is contacted with liquid cooling plate and battery core between liquid cooling plate and battery core
Material, the Heat Conduction Material are heat-conducting glue, battery core and liquid cooling plate with thermally conductive glue sticking, the structure glue along battery core stacking side
To being disposed to extend to be formed and be bonded in structure adhesive tape between battery core and liquid cooling plate, battery core is defined on liquid cooling plate along the longitudinal direction
It is stacked, battery core is located above liquid cooling plate, and structure adhesive tape extends along the longitudinal direction, and the structure adhesive tape is spaced in left-right direction
Be provided with two or more, heat-conducting glue be filled in two structure adhesive tape in left-right direction between interval in, structure adhesive tape and heat-conducting glue
It is arranged in juxtaposition in left-right direction.
2. electric vehicle according to claim 1, it is characterised in that: the bottom surface of the battery core is along perpendicular to battery core stacking side
To both ends it is Nian Jie with two spaced structure adhesive tape respectively.
3. battery modules, including liquid cooling plate and the battery core being arranged on liquid cooling plate, it is characterised in that: the battery core and liquid cooling plate are viscous
Fixation is connect, the structure glue of Nian Jie liquid cooling plate and battery core is equipped between liquid cooling plate and battery core, is equipped between liquid cooling plate and battery core and liquid
The Heat Conduction Material of cold plate and battery core contact conduction heat, the Heat Conduction Material are heat-conducting glue, and battery core and liquid cooling plate are and heat-conducting glue
Bonding, the structure glue are disposed to extend along the stacking direction of battery core to form the structure glue being bonded between battery core and liquid cooling plate
Item defines battery core and is stacked along the longitudinal direction on liquid cooling plate, and battery core is located above liquid cooling plate, and structure adhesive tape is along the longitudinal direction
Extend, the structure adhesive tape is arranged at intervals with two or more in left-right direction, and heat-conducting glue is filled in two structure adhesive tape along right and left
In interval between, structure adhesive tape is arranged in juxtaposition in left-right direction with heat-conducting glue.
4. battery modules according to claim 3, it is characterised in that: the bottom surface of the battery core is along perpendicular to battery core stacking side
To both ends it is Nian Jie with two spaced structure adhesive tape respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684434.8U CN209071563U (en) | 2018-10-17 | 2018-10-17 | A kind of electric vehicle and its battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821684434.8U CN209071563U (en) | 2018-10-17 | 2018-10-17 | A kind of electric vehicle and its battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209071563U true CN209071563U (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821684434.8U Active CN209071563U (en) | 2018-10-17 | 2018-10-17 | A kind of electric vehicle and its battery modules |
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| CN (1) | CN209071563U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063959A (en) * | 2018-10-17 | 2020-04-24 | 郑州深澜动力科技有限公司 | Electric vehicle and battery module thereof |
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2018
- 2018-10-17 CN CN201821684434.8U patent/CN209071563U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111063959A (en) * | 2018-10-17 | 2020-04-24 | 郑州深澜动力科技有限公司 | Electric vehicle and battery module thereof |
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