CN206134878U - Lithium cell module heat radiation structure - Google Patents
Lithium cell module heat radiation structure Download PDFInfo
- Publication number
- CN206134878U CN206134878U CN201621062983.2U CN201621062983U CN206134878U CN 206134878 U CN206134878 U CN 206134878U CN 201621062983 U CN201621062983 U CN 201621062983U CN 206134878 U CN206134878 U CN 206134878U
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- China
- Prior art keywords
- battery
- module shell
- change material
- phase
- module
- 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.)
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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
Abstract
The utility model discloses a lithium cell module heat radiation structure, including module shell, battery module and phase change material, wherein, the module shell is the cuboid structure, just the module shell is equipped with open -ended cavity for the top, the battery module is located in the module shell, phase change material fill in in the cavity cavity, be equipped with radiating fin on the outer wall of module shell, be equipped with the heat -conduction fin on the inner wall of module shell, the phase change material parcel the battery module, phase change material with the heat -conduction fin of module shell inner wall contacts, the utility model discloses a thereby the conducting strip of high heat conduction is with the produced heat fast transferring of battery to quick being absorbed and outside heat dissipation by the module shell of phase change material, can effective control lithium cell temperature, and temperature between simultaneously balanced each battery.
Description
Technical field
This utility model is related to lithium ion battery field of radiating, and in particular to a kind of lithium battery module radiator structure.
Background technology
At present, lithium ion battery is because of its excellent high-energy-density, high circulation life-span, wide operation temperature area and low self-discharge
Can and be widely used in each electron trade.Especially, unmanned aerial vehicle is widely used in the recent period as power supply and energy
Amount stocking system.But lithium ion battery can produce huge heat in its high power power operation and in severe working environment
Amount, its life-span and discharge performance are affected so as to cause battery temperature too high, and serious also results in battery spontaneous combustion or blast etc.
Substantial risk accident occurs.
Utility model content
The purpose of this utility model is the shortcoming and deficiency for overcoming prior art, there is provided a kind of effective control lithium battery temperature
Degree, the lithium battery module radiating for improve lithium battery reliability, obtaining lithium battery temperature consistency and extend lithium battery service life
Structure.
The purpose of this utility model is achieved through the following technical solutions:
A kind of lithium battery module radiator structure, including module shell, battery modules and phase-change material, wherein, the module
Shell is rectangular structure, and the module shell is the hollow cavity that top is provided with opening, and the battery modules are located at described
In module shell, the phase-change material is filled in the hollow cavity;The outer wall of the module shell is provided with radiating fin,
The inwall of the module shell is provided with heat conduction fin;The phase-change material wraps up the battery modules;The phase-change material
Contact with the heat conduction fin of the module shell inwall;
The battery modules include battery bag, conducting strip and phase-change material, and the battery bag is connected in parallel by cell
Constitute, the battery bag top is provided with positive plate and negative plate;The battery bag is provided with multiple, and the plurality of battery bag passes through institute
State positive plate and negative plate is connected in series;The plurality of battery bag is provided with each other gap, and the conducting strip is located at described many
In the gap of individual battery bag, the phase-change material wraps up the conducting strip;The conducting strip is from the gap of battery bag to downward
Stretch and contact with the bottom surface of the module shell.
Preferably, the module shell is made using light aluminum alloy material;Described aluminum alloy material has light weight
Characteristic, and its intensity can reach its application requirement.
Preferably, the section structure triangular in shape of the radiating fin on the module shell outer wall, rectangular configuration or ladder
Shape structure;Radiating fin is provided with shown aluminum alloy casing outer surface, it is therefore an objective to increase the contact surface of shell and air
Product, so as to accelerate the exchange of heat, heat conduction heat strengthens cooling effect.
Preferably, the plurality of battery bag gap each other is 0.5-1mm;Gap between battery bag is used for filling
The heat-conducting of high heat conduction, effectively can absorb, while can also subtract by the heat derives in the middle of battery and by phase-change material
Baby battery modular structure size.
Preferably, the conducting strip is made up of the material of high heat conduction property;Highly heat-conductive material has high thermal conductivity coefficient, can be with
Quickly by heat derives.
Preferably, the material of the high heat conduction property is graphite flake, copper sheet, copper mesh or aluminium flake;The heat conduction of these materials
Coefficient is high, and low cost, wide material sources, processing technique is simple.
Preferably, the phase-change material is made up of macromolecular material;Macromolecular material wide material sources, and macromolecular material
Physical Processing is simple.
Preferably, the macromolecular material is paraffin or expanded graphite;These materials have high latent heat of phase change, can be with
Absorb more heats, and low cost.
Preferably, the phase transition temperature of the phase-change material is between 45 DEG C -55 DEG C;So arranging can effectively adjust electricity
The temperature of pond module so that battery is interval in optimum operating temperature.
This utility model has compared with prior art following beneficial effect:
(1) this utility model by the conducting strip of high heat conduction by the heat produced by battery be quickly delivered to phase-change material from
And quickly by module shell absorb and outwards radiate, can effective control lithium battery temperature, while between balanced each battery
Temperature;
(2) this utility model is enhanced and extraneous heat exchange by the radiating fin of module shell, so as to improve phase transformation
The recycling efficiency of material;
(3) this utility model effectively absorbs the unmanned machine battery heat produced when big multiplying power discharging is carried out, and maintains
Set of cells is in suitable operation temperature area, it is possible to increase the job stability of lithium battery, improves lithium battery reliability, obtains lithium battery
The concordance of temperature, it is also possible to extend the service life of lithium battery.
Description of the drawings
Fig. 1 is axonometric chart of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structural representation of this utility model battery bag and conducting strip.
Reference is in figure:1st, module shell;101st, heat conduction fin;102nd, radiating fin;2nd, battery bag;201st, just
Pole piece;202nd, negative plate;3rd, conducting strip;4th, phase-change material.
Specific embodiment
This utility model is described in further detail with reference to embodiment and accompanying drawing, but enforcement of the present utility model
Mode not limited to this.
As Figure 1-3, a kind of lithium battery module radiator structure, including module shell 1, battery modules and phase-change material 4,
Wherein, the module shell 1 is rectangular structure, and the module shell 1 is made using light aluminum alloy material, and the module
Shell 1 is provided with the hollow cavity of opening for top, and the battery modules are located in the module shell 1, and the phase-change material 4 is filled out
Fill in the hollow cavity, the phase-change material 4 is made up of macromolecular material, the macromolecular material is paraffin or expansion
Graphite, the phase transition temperature of the phase-change material 4 is between 45 DEG C -55 DEG C;The outer wall of the module shell 1 is provided with radiating fin
102, the section structure triangular in shape of the radiating fin 102 on the outer wall of the module shell 1, rectangular configuration or trapezium structure,
The inwall of the module shell 1 is provided with heat conduction fin 101;The phase-change material 4 wraps up the battery modules;The phase transformation
Material 4 contacts with the heat conduction fin 101 of the inwall of the module shell 1;
The battery modules include battery bag 2, conducting strip 3 and phase-change material 4, and the battery bag 2 is in parallel by cell
Connect and compose, the top of the battery bag 2 is provided with positive plate 201 and negative plate 202;The battery bag 2 is provided with multiple, the plurality of
Battery bag 2 is connected in series by the positive plate 201 and negative plate 202;The plurality of battery bag 2 is provided with each other gap,
The gap each other of the plurality of battery bag 2 is 0.5-1mm, and the conducting strip 3 is located at the gap of the plurality of battery bag 2
In, the conducting strip 3 is made up of the material of high heat conduction property, the material of the high heat conduction property be graphite flake, copper sheet, copper mesh or
Person's aluminium flake, the phase-change material 4 wraps up the conducting strip 3;The conducting strip 3 extend downwardly from the gap of battery bag 2 and with
The bottom surface of the module shell 1 contacts.
Specifically, cavity of the module shell 1 as shown in Figures 1 and 2 in cuboid, for accommodating the battery bag
2nd, conducting strip 3 and phase-change material 4.Meanwhile, in order to strengthen the air nature or heat convection of module shell 1 and the external world, described
The outside wall surface of module shell 1 be provided with radiating fin 102, and the cross sectional shape of radiating fin 102 is for example triangular shaped,
Its inner surface is also provided with the heat being used between reinforced transformation material 4 and module shell 1 (as shown in Figure 2) of heat conduction fin 101
Conduction.Module shell 1 is flowed through in the air stream produced by the upward flight stage by unmanned plane, so as to form cross-ventilation reinforcing
With the heat exchange of module shell 1.At the same time, described battery bag 2 is to be connected in series composition by polylith cell, and
The gap of 0.5-1mm is which provided, what it was constituted is integrally placed at the cavity the inside of module shell 1.In described battery bag 2
It is provided with during one piece of conducting strip 3 is filled in, for deriving the heat produced in the middle of battery, and the bottom of conducting strip 3 is and mould
The bottom surface of assembly housing 1 contacts, so as to play a part of to support battery bag 2, while the conducting strip 3 of external part can be with phase transformation material
4 (as shown in Figure 2) preferably contact to strengthen heat-conduction effect material.
As shown in figure 3, unmanned plane battery bag 2 and the assembly structure figure of conducting strip 3, are provided with positive plate 201 in battery bag 2
The positive plate 201 and the composition battery connected in series or in parallel of negative plate 202 for passing through its upper end with negative plate 202, polylith battery bag 2
Module.The overall dimensions of conducting strip 3 are more smaller than the overall dimensions of unmanned machine battery, and conducting strip 3 is adopted by two pieces of battery bags 2
Sandwich formats interlayer is fixed.Phase-change material 4 is filled with remaining space between conducting strip 3 and battery bag 2 to battery
Absorbed heat, the part that the bottom of conducting strip 3 is stretched out is placed in the phase-change material 4 of bottom, increase its contact area and accelerate heat biography
Speed is led, so as to realize quickly deriving heat being absorbed the effect gone in outside air is transferred to again.
This utility model by the conducting strip of high heat conduction by the heat produced by battery be quickly delivered to phase-change material so as to
Quickly by module shell absorb and outwards radiate, can effective control lithium battery temperature, while the temperature between balanced each battery
Degree, is enhanced and extraneous heat exchange, so as to improve the recycling efficiency of phase-change material by the radiating fin of module shell;
The unmanned machine battery heat produced when big multiplying power discharging is carried out is effectively absorbed, set of cells is maintained in suitable work temperature
Area, it is possible to increase the job stability of lithium battery, improves lithium battery reliability, obtains the concordance of lithium battery temperature, it is also possible to
Extend the service life of lithium battery.
It is above-mentioned for this utility model preferably embodiment, but embodiment of the present utility model is by the above
Limit, it is other it is any without departing from spirit of the present utility model and the change, modification, replacement made under principle, combine, it is simple
Change, should be equivalent substitute mode, be included within protection domain of the present utility model.
Claims (9)
1. a kind of lithium battery module radiator structure, it is characterised in that including module shell, battery modules and phase-change material, wherein,
The module shell is rectangular structure, and the module shell is that top is provided with the hollow cavity of opening, the battery modules
In the module shell, the phase-change material is filled in the hollow cavity;The outer wall of the module shell is provided with
Radiating fin, the inwall of the module shell is provided with heat conduction fin;The phase-change material wraps up the battery modules;It is described
Phase-change material contacts with the heat conduction fin of the module shell inwall;
The battery modules include battery bag, conducting strip and phase-change material, and the battery bag is connected in parallel by cell and is constituted,
The battery bag top is provided with positive plate and negative plate;The battery bag is provided with multiple, the plurality of battery bag by it is described just
Pole piece and negative plate are connected in series;The plurality of battery bag is provided with each other gap, and the conducting strip is located at the plurality of electricity
In the gap of Chi Bao, the phase-change material wraps up the conducting strip;The conducting strip is extended downwardly simultaneously from the gap of battery bag
Contact with the bottom surface of the module shell.
2. lithium battery module radiator structure according to claim 1, it is characterised in that the module shell adopts lightweight aluminium
Alloy material is made.
3. lithium battery module radiator structure according to claim 1, it is characterised in that dissipating on the module shell outer wall
The section structure triangular in shape of hot fin, rectangular configuration or trapezium structure.
4. lithium battery module radiator structure according to claim 1, it is characterised in that the plurality of battery bag is each other
Gap be 0.5-1mm.
5. lithium battery module radiator structure according to claim 1, it is characterised in that the conducting strip is by high heat conduction property
Material make.
6. lithium battery module radiator structure according to claim 5, it is characterised in that the material of the high heat conduction property is
Graphite flake, copper sheet, copper mesh or aluminium flake.
7. lithium battery module radiator structure according to claim 1, it is characterised in that the phase-change material is by macromolecule material
Material is made.
8. lithium battery module radiator structure according to claim 7, it is characterised in that the macromolecular material be paraffin or
Person's expanded graphite.
9. lithium battery module radiator structure according to claim 1, it is characterised in that the phase transition temperature of the phase-change material
Between 45 DEG C -55 DEG C.
Priority Applications (1)
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CN201621062983.2U CN206134878U (en) | 2016-09-18 | 2016-09-18 | Lithium cell module heat radiation structure |
Applications Claiming Priority (1)
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CN201621062983.2U CN206134878U (en) | 2016-09-18 | 2016-09-18 | Lithium cell module heat radiation structure |
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CN206134878U true CN206134878U (en) | 2017-04-26 |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106252785A (en) * | 2016-09-18 | 2016-12-21 | 广东工业大学 | A kind of lithium battery module radiator structure |
CN108232362A (en) * | 2017-12-29 | 2018-06-29 | 江苏大学 | It is a kind of that system and control method are managed based on the power battery pack of phase-change accumulation energy device and Air Coupling |
CN110444704A (en) * | 2018-05-03 | 2019-11-12 | 奥迪股份公司 | System for manufacturing battery component |
CN110504398A (en) * | 2019-09-23 | 2019-11-26 | 常州格力博有限公司 | A kind of battery pack |
CN112038520A (en) * | 2020-07-22 | 2020-12-04 | 湖南科霸汽车动力电池有限责任公司 | Nickel-hydrogen battery pack |
CN112151905A (en) * | 2019-06-28 | 2020-12-29 | 陈鸿文 | High-stability heat-dissipation battery pack structure |
-
2016
- 2016-09-18 CN CN201621062983.2U patent/CN206134878U/en not_active Expired - Fee Related
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106252785A (en) * | 2016-09-18 | 2016-12-21 | 广东工业大学 | A kind of lithium battery module radiator structure |
CN108232362A (en) * | 2017-12-29 | 2018-06-29 | 江苏大学 | It is a kind of that system and control method are managed based on the power battery pack of phase-change accumulation energy device and Air Coupling |
CN110444704A (en) * | 2018-05-03 | 2019-11-12 | 奥迪股份公司 | System for manufacturing battery component |
CN112151905A (en) * | 2019-06-28 | 2020-12-29 | 陈鸿文 | High-stability heat-dissipation battery pack structure |
CN110504398A (en) * | 2019-09-23 | 2019-11-26 | 常州格力博有限公司 | A kind of battery pack |
CN112038520A (en) * | 2020-07-22 | 2020-12-04 | 湖南科霸汽车动力电池有限责任公司 | Nickel-hydrogen battery pack |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20170918 |
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CF01 | Termination of patent right due to non-payment of annual fee |