CN207834392U - A kind of battery core Superimposed battery modules - Google Patents
A kind of battery core Superimposed battery modules Download PDFInfo
- Publication number
- CN207834392U CN207834392U CN201721919902.0U CN201721919902U CN207834392U CN 207834392 U CN207834392 U CN 207834392U CN 201721919902 U CN201721919902 U CN 201721919902U CN 207834392 U CN207834392 U CN 207834392U
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- mounting plate
- gravity
- heat pipe
- type 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 is related to technical field of lithium batteries more particularly to a kind of battery core Superimposed battery modules, including multiple horizontal positioned battery modules, and the electrode of multiple battery modules is towards same direction；Further include thermal management assemblies, it includes the first mounting plate and the second mounting plate, one end of first mounting plate is connect with one end of the second mounting plate, and the first angle between mounting plate and the second mounting plate is more than 90 °, the inner wall of first mounting plate is affixed on the bottom surface of multiple battery modules, the inner wall of second mounting plate is arranged relative to the one side of multiple battery modules, the gravity-type heat pipe of bending is equipped on the outer wall of the first mounting plate and the outer wall of the second mounting plate, the heat exchanging segment of gravity-type heat pipe is fixed with the second mounting plate, the endotherm section of gravity-type heat pipe is fixed with the first mounting plate；It further include the heating element with the liquid cooling plate of the heat exchanging segment contact heat-exchanging of gravity-type heat pipe and for being heated to gravity-type heat pipe.It occupies little space, convenient for dismantling repair.
Description
Technical field
The utility model is related to technical field of lithium batteries more particularly to a kind of battery core Superimposed battery modules, further
Ground is a kind of battery core Superimposed battery modules with thermal management assemblies.
Background technology
Now with the fast development of new energy industrial advantages, pure electric automobile and hybrid vehicle can be big with it
Width eliminates the advantages of even zero-emission vehicle tail gas, is paid attention to by government and each Automobile Enterprises.However pure electric vehicle and mixed
Closing power vehicle still has many technical problems to need to break through, and battery and capacity attenuation are one of major issues.
Under the service life and capacity attenuation of battery and the temperature difference of battery modules and the non-reasonable temperature range of temperature
Use close relation.Power battery will produce a large amount of heat at work, will if the heat can not be discharged in time
So that the temperature in power battery is constantly increased, causes battery to work in abnormal temperature range, the accumulative of amount of localized heat also can
Cause the battery temperature difference larger, these can all influence the service life of power battery.Especially in hot summer, natural environment
Temperature is very high, if cannot effective radiating management be carried out to power battery in time, final operating temperature will be much larger than dynamic
The reasonable working temperature of power battery, and then the service life and battery capacity of power battery are seriously affected, while also to power electric
The discharge performance in pond causes larger interference.In addition, charge-discharge performance of the power battery under low-temperature working environment is poor, especially
It is particularly evident in cold winter, when the battery modules of same type work under low temperature environment (for example temperature is less than 0 DEG C),
Charge/discharge capacity of the charge/discharge capacity ratio in room temperature (for example temperature is 25 DEG C) work is low.When the temperature of the surroundings is low, it can lead
It causes inside battery to generate serious polarity effect, charging capacity is caused to reduce, also, also will produce can not for multiple low-temperature charge and discharge
Inverse skeleton (abbreviation dendrite), severe patient, the dendrite of formation can puncture the diaphragm in single battery, cause short in battery
Pass power generation pond safety accident.
Battery is heated or cooled in the mode for being typically employed in setting thermal management assemblies in battery case, and battery is enable to close
It working within the scope of suitable temperature, the thermal management assemblies used at present occupied space in battery case is big, and installation operation is complex,
It is not easy to product and efficiently produces assembly and quickly dismantling repair.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is that the existing thermal management assemblies occupied space in battery case of solution is big, installation operation is multiple
It is miscellaneous, be not easy to dismantling with repair the problem of.
(2) technical solution
In order to solve the above-mentioned technical problem, the utility model provides a kind of battery core Superimposed battery modules, multiple batteries
Module, the multiple battery module is horizontal positioned, and the electrode of the multiple battery module is towards same direction；Heat management
Component, the thermal management assemblies include the first mounting plate and the second mounting plate, one end of first mounting plate and described second
One end of mounting plate connects, and the angle between the first mounting plate and the second mounting plate is more than 90 °, first mounting plate it is interior
Wall is affixed on the bottom surface of the multiple battery module, the side of the inner wall of second mounting plate relative to the multiple battery module
Face is arranged, and the gravity-type heat pipe of bending, institute are equipped on the outer wall of first mounting plate and the outer wall of second mounting plate
The heat exchanging segment and second mounting plate for stating gravity-type heat pipe are fixed, and the endotherm section of the gravity-type heat pipe is installed with described first
Plate is fixed；The thermal management assemblies further include liquid cooling plate and heating element, the heat exchange of the liquid cooling plate and the gravity-type heat pipe
Section contact heat-exchanging, the heating element are set on the gravity-type heat pipe and for being heated to the gravity-type heat pipe.
According to the utility model, the angle between first mounting plate and second mounting plate is 95 °.
According to the utility model, the gravity-type heat pipe passes through structure silica gel and first mounting plate, second peace
Loading board is fixed.
According to the utility model, the liquid cooling plate is located on the extending direction of the end of second mounting plate, and described
The end of the heat exchanging segment of gravity-type heat pipe is higher than the end of second mounting plate.
According to the utility model, the liquid cooling plate is fixed with the gravity-type heat pipe by brazing mode.
According to the utility model, the cooling medium of the liquid cooling plate is the mixture of water and ethylene glycol.
According to the utility model, the water inlet and water outlet of the liquid cooling plate are both provided with quick coupling.
According to the utility model, installation is equipped on the outer wall of first mounting plate and on the outer wall of the second mounting plate
Slot, the mounting groove is for accommodating the gravity-type heat pipe.
According to the utility model, it is arranged at intervals with along the length direction of the mounting groove multiple for fixing the gravity-type
The fixation clip of heat pipe.
According to the utility model, it is arranged at intervals with along the length direction of the mounting groove multiple for fixing the gravity-type
The arch form shrapnel of heat pipe, the arch form shrapnel are across on the mounting groove.
(3) advantageous effect
The above-mentioned technical proposal of the utility model has the following advantages that compared with prior art：
Battery core Superimposed battery modules provided by the utility model, are provided with thermal management assemblies, and the of thermal management assemblies
One mounting plate is located at the bottom surface of battery module, and the second mounting plate is located at the side of battery module, and entire battery modules are to battery case
When interior installation, except the side of the second mounting plate of setting, remaining each side is not necessarily to reserved installation space, multiple batteries in battery case
Module can arrange more closely, and space availability ratio is high, improves the power density of battery.The setting of thermal management assemblies realizes pair
The heat exchange of the adjusting of battery module temperature, the refrigerating fluid and gravity-type heat pipe that are recycled by liquid cooling plate is realized to the cold of battery module
But, the heating to battery module is realized by heating element, so that battery can work at a suitable temperature.This practicality
Novel battery modules are provided with thermal management assemblies, and when battery case assembles, battery modules can be used with direct splicing, assembling effect
Rate is high, is convenient for mass production, improves production efficiency；Same heat management system is used compared to multiple battery modules in battery case
Multiple battery modules of system, the utility model are assembled in battery case convenient for the dismantling repair of single battery module.
Description of the drawings
Fig. 1 is the schematic three dimensional views for the battery core Superimposed battery modules that the utility model embodiment provides；
Fig. 2 is the front view for the battery core Superimposed battery modules that the utility model embodiment provides；
Fig. 3 is the vertical view for the battery core Superimposed battery modules that the utility model embodiment provides；
Fig. 4 is the left view for the battery core Superimposed battery modules that the utility model embodiment provides.
In figure：1：Battery module；2：First mounting plate；3：Second mounting plate；4：Gravity-type heat pipe；41：Endotherm section；42：
Heat exchanging segment；5：Liquid cooling plate；6：Mounting groove；7：Fixation clip.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Based on the reality in the utility model
Apply example, the every other embodiment that those of ordinary skill in the art are obtained without making creative work, all
Belong to the range of the utility model protection.
As shown in Figures 1 to 4, a kind of battery core Superimposed battery modules that the utility model embodiment provides, including heat pipe
Component and multiple battery modules 1 are managed, multiple battery modules 1 are horizontal positioned, and the electrode of multiple battery modules 1 is towards same
Direction, i.e., spatially from the point of view of, one with positive and negative electrode of multiple battery modules 1 is facing towards same side.Thermal management assemblies
Including the first mounting plate 2 and the second mounting plate 3, one end of the first mounting plate 2 is connect with one end of the second mounting plate 3, and first
Angle α between mounting plate 2 and the second mounting plate 3 is more than 90 °.The material of first mounting plate 2 and the second mounting plate 3 is preferably equal
For metallic aluminium, metallic aluminium light weight, heat transfer efficiency is high, is effective to ensure that the efficiency that is heated or cooled of battery, and realize electricity
The lightweight in pond.The inner wall of first mounting plate 2 is tightly attached to the bottom surface of multiple battery modules 1, the bottom surface of battery module 1 be with equipped with
Electrode while opposite, the inner wall of the second mounting plate 3 is arranged relative to 1 one side of multiple battery modules；In the first peace
The outer wall of the outer wall of loading board 2 and the second mounting plate 3 be equipped with bending gravity-type heat pipe 4, the heat exchanging segment 42 of gravity-type heat pipe 4 with
Second mounting plate 3 is fixed, and the endotherm section 41 of gravity-type heat pipe 4 and the first mounting plate 2 are fixed.Aforementioned first mounting plate 2 and second
Angle between mounting plate 3 be more than the angle of the heat exchanging segment 42 of 90 ° namely gravity-type heat pipe 4 and endotherm section 41 also greater than
90 °, the i.e. 42 non-aqueous placing flat of heat exchanging segment of gravity-type heat pipe 4, to ensure that the heat exchanging segment 42 of gravity-type heat pipe 4 can have realization to exist
The dirty condition of medium under gravity.Thermal management assemblies further include liquid cooling plate 5 and heating element, and liquid cooling plate 5 is warm with gravity-type
42 contact heat-exchanging of heat exchanging segment of pipe, heating element are set on gravity-type heat pipe 4 and for being heated to gravity-type heat pipe 4.
Preferably, heating element is the PI heating film (not shown)s for being attached at 4 surface of gravity-type heat pipe, further, this implementation
PI heating films are in a strip shape in example, invest heat pipe lower surface using 3M stickers, the PI heating films are pressed by fever copper sheet and two sides
Polyimide insulative layer constitute.
The battery modules operation principle of the present embodiment：When 1 temperature of battery module is relatively low needs heating, pass through gravity-type heat
The heating element work of 4 bottom of pipe is heated, and heat is transferred directly to the bottom of battery module 1 by gravity-type heat pipe 4, real
1 temperature whole from bottom to lug of existing battery module increases；The thermal resistance of gravity-type heat pipe 4 is smaller, and heating system is to heat pipe
It is smaller to manage heat loss when component transmits heat.When the temperature of battery is higher, the heat transfer of of battery module 1 to gravity-type itself
The endotherm section 41 of heat pipe 4, gravity-type heat pipe 4 absorb heat after so that gravity-type heat pipe 4 in medium carburation by evaporation, flow direction heat exchange
Section 42, the medium release heat under 5 cooling effect of liquid cooling plate that heat exchanging segment 42 is arranged in gravity-type heat pipe 4 liquefy reflux again
To endotherm section 41, continue to carry the heat of battery module 1 to heat exchanging segment 42 to discharge so that the temperature of battery module 1 obtains
To reduce.
The battery core Superimposed battery modules that the utility model embodiment provides are provided with thermal management assemblies, thermal management assemblies
First mounting plate 2 is located at the bottom surface of battery module 1, and the second mounting plate 3 is located at the side of battery module 1, entire battery modules to
In battery case when installation, except the side of the second mounting plate 3 of setting, remaining each side is not necessarily to reserved installation space, battery modules
Entirety occupies little space, and multiple battery modules can arrange more close in battery case, and space availability ratio is high, improves the work(of battery
Rate density.The setting of thermal management assemblies realizes the adjusting to 1 temperature of battery module so that battery can be at a suitable temperature
Work.Preferably, battery modules further include control device in the present embodiment, and the first end of control device is connect with heating system,
The second end of control device is connect with cooling system, and the third end of control device is connect with temperature-detecting device, temperature detection dress
The temperature for detecting battery module 1 is set, the temperature control for the battery module 1 that control device is detected according to temperature-detecting device adds
Hot systems or cooling system work, realize the automatic adjustment to 1 temperature of battery module.Battery modules setting in the present embodiment
There are thermal management assemblies, when battery case assembles, battery modules can be used with direct splicing, and packaging efficiency is high, be convenient for batch metaplasia
Production improves production efficiency；Same heat management system, multiple electricity of the present embodiment are used compared to multiple battery modules in battery case
Pond module group assembling is in battery case convenient for the dismantling repair of single battery module.
Angle α in the present embodiment between the first mounting plate 2 and the second mounting plate 3 is preferably 95 °.That is the second mounting plate 3
There are 5 ° of angles obliquely with horizontal direction, angle setting between the two to the greatest extent may be used under conditions of ensureing medium gravity reflux in heat pipe
Can be smaller, to save thermal management assemblies the space occupied.
Consider for the factors such as cost and install convenient, in the present embodiment gravity-type heat pipe 4 by structure silica gel with
First mounting plate 2 and the second mounting plate 3 are fixed.Structure silica gel fixes the secured connection that the two may be implemented and reliable heat conduction.
Further, on the extending direction for the end that liquid cooling plate 5 is located at the second mounting plate 3 in the present embodiment, and gravity
The end of the heat exchanging segment 42 of type heat pipe 4 is higher than the end of the second mounting plate 3.In the present embodiment, we are by the second mounting plate 3 and
One end of one mounting plate 2 connection is referred to as the beginning of the second mounting plate 3, then the other end is the end of the second mounting plate 3.Liquid
The extension that the second mounting plate 3 is equivalent in the end of the second mounting plate 3 is arranged in cold plate 5, is not necessarily to additional occupied space, liquid cooling
Plate 5 can be in direct contact with the gravity-type heat pipe 4 higher than the second mounting plate 3, realize that heat exchange between the two, structure type are optimal
Change.It should be noted that the position of liquid cooling plate 5 is not limited to be arranged on the extending direction of the second mounting plate 3, can also be to set
The side for deviating from second mounting plate 3 in gravity-type heat pipe 4 is set, as long as the installation position of liquid cooling plate 5 meets and gravity-type heat
The contact of pipe 4 can exchange heat.Preferably, liquid cooling plate 5 is fixed with gravity-type heat pipe 4 by brazing mode in the present embodiment, real
Both existing secured connection and reliable heat conduction.The cooling medium of liquid cooling plate 5 is the mixture of water and ethylene glycol in the present embodiment.Water
Volume ratio with ethylene glycol can be 3：2 or 2：1 or 1：1 etc., or other ratio mixing, as long as so that mixed cold
But medium can not freeze at low temperature, naturally it is also possible to use other non-icing any kind of cooling media.
Preferably, the water inlet of liquid cooling plate 5 and water outlet are both provided with quick coupling in the present embodiment.Setting is quick
Connector is convenient for multiple vertical battery modules quick assemblings when assembled, improves production efficiency.The vertical battery modules of adjacent battery core
Between liquid cooling plate connected by hose.
In order to preferably fix gravity-type heat pipe 4, in the present embodiment on the outer wall of the first mounting plate 2 and the second mounting plate
Mounting groove 6 is equipped on 3 outer wall, mounting groove 6 is for accommodating gravity-type heat pipe 4.Further, in this embodiment along mounting groove
Multiple fixation clips 7 for fixing gravity-type heat pipe 4 are arranged at intervals on 6 length direction.Weight is fixed using fixation clip 7
4 one side of power type heat pipe avoids falling for gravity-type heat pipe 4, on the other hand fixation clip 7 is used to compress gravity-type heat pipe 4 and the
One mounting plate 2 or the second mounting plate 3 keep the two contact even closer, improve heat transfer effect, and pin may be used in fixation clip 7
The modes such as nail, screw are fixed.
Certainly, the gravity-type heat pipe 4 of the utility model can also be reinforced fixing by arch form shrapnel, specially：Along installation
The length direction of slot 6, which has, is arranged at intervals with multiple arch form shrapnels for fixing gravity-type heat pipe 4, and arch shrapnel is across peace
On tankage 6, i.e. the edge of mounting groove 6 is fixed at the both ends of arch shrapnel, and gravity-type heat pipe 4 is held at the top of arch shrapnel
Surface, for consolidating gravity-type heat pipe 4.So that gravity-type heat pipe 4 and the first mounting plate 2 or the second under the pressure of arch shrapnel
Mounting plate 3 contacts even closer, improves heat transference efficiency.
In conclusion the Superimposed battery modules of the utility model, it is provided with thermal management assemblies, the of thermal management assemblies
One mounting plate is located at the bottom surface of battery module, and the second mounting plate is located at the side of battery module, and entire battery modules are to battery case
When interior installation, except the side of the second mounting plate of setting, remaining each side is not necessarily to reserved installation space, multiple batteries in battery case
Module can arrange more closely, and space availability ratio is high, improves the power density of battery.The setting of thermal management assemblies realizes pair
The heat exchange of the adjusting of battery module temperature, the refrigerating fluid and gravity-type heat pipe that are recycled by liquid cooling plate is realized to the cold of battery module
But, the heating to battery module is realized by heating element, so that battery can work at a suitable temperature.This practicality
Novel battery modules are provided with thermal management assemblies, and when battery case assembles, battery modules can be used with direct splicing, assembling effect
Rate is high, is convenient for mass production, improves production efficiency；Same heat management system is used compared to multiple battery modules in battery case
Multiple battery modules of system, the utility model are assembled in battery case convenient for the dismantling repair of single battery module.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：
It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc.
With replacement；And these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. a kind of battery core Superimposed battery modules, it is characterised in that：Including：
Multiple battery modules, the multiple battery module is horizontal positioned, and the electrode of the multiple battery module is towards same
One direction；
Thermal management assemblies, the thermal management assemblies include the first mounting plate and the second mounting plate, one end of first mounting plate
It is connect with one end of second mounting plate, and the angle between the first mounting plate and the second mounting plate is more than 90 °, described first
The inner wall of mounting plate is affixed on the bottom surface of the multiple battery module, and the inner wall of second mounting plate is relative to the multiple battery
The one side of module is arranged, and the gravity of bending is equipped on the outer wall of first mounting plate and the outer wall of second mounting plate
Type heat pipe, the heat exchanging segment of the gravity-type heat pipe are fixed with second mounting plate, the endotherm section of the gravity-type heat pipe and institute
The first mounting plate is stated to fix；
The thermal management assemblies further include liquid cooling plate and heating element, and the heat exchanging segment of the liquid cooling plate and the gravity-type heat pipe connects
Heat exchange is touched, the heating element is set on the gravity-type heat pipe and for being heated to the gravity-type heat pipe.
2. battery core Superimposed battery modules according to claim 1, it is characterised in that：First mounting plate and described the
Angle between two mounting plates is 95 °.
3. battery core Superimposed battery modules according to claim 1, it is characterised in that：The gravity-type heat pipe passes through structure
Silica gel is fixed with first mounting plate, the second mounting plate.
4. battery core Superimposed battery modules according to claim 1, it is characterised in that：The liquid cooling plate is located at described second
On the extending direction of the end of mounting plate, and the end of the heat exchanging segment of the gravity-type heat pipe is higher than the end of second mounting plate
End.
5. battery core Superimposed battery modules according to claim 1 or 4, it is characterised in that：The liquid cooling plate with it is described heavy
Power type heat pipe is fixed by brazing mode.
6. battery core Superimposed battery modules according to claim 1, it is characterised in that：The cooling medium of the liquid cooling plate is
The mixture of water and ethylene glycol.
7. battery core Superimposed battery modules according to claim 1, it is characterised in that：The water inlet of the liquid cooling plate and
Water outlet is both provided with quick coupling.
8. battery core Superimposed battery modules according to claim 1, it is characterised in that：On the outer wall of first mounting plate
And second mounting plate outer wall on be equipped with mounting groove, the mounting groove is for accommodating the gravity-type heat pipe.
9. battery core Superimposed battery modules according to claim 8, it is characterised in that：Along the length direction of the mounting groove
It is arranged at intervals with multiple fixation clips for fixing the gravity-type heat pipe.
10. battery core Superimposed battery modules according to claim 8, it is characterised in that：Along the length side of the mounting groove
To multiple arch form shrapnels for fixing the gravity-type heat pipe are arranged at intervals with, the arch form shrapnel is across the mounting groove
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919902.0U CN207834392U (en) | 2017-12-29 | 2017-12-29 | A kind of battery core Superimposed battery modules |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721919902.0U CN207834392U (en) | 2017-12-29 | 2017-12-29 | A kind of battery core Superimposed battery modules |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207834392U true CN207834392U (en) | 2018-09-07 |
Family
ID=63391063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721919902.0U Expired - Fee Related CN207834392U (en) | 2017-12-29 | 2017-12-29 | A kind of battery core Superimposed battery modules |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207834392U (en) |
-
2017
- 2017-12-29 CN CN201721919902.0U patent/CN207834392U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180907 Termination date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |