CN113571339A - Supercapacitor packaging structure for electric automobile - Google Patents
Supercapacitor packaging structure for electric automobile Download PDFInfo
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- CN113571339A CN113571339A CN202110777249.3A CN202110777249A CN113571339A CN 113571339 A CN113571339 A CN 113571339A CN 202110777249 A CN202110777249 A CN 202110777249A CN 113571339 A CN113571339 A CN 113571339A
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- super capacitor
- layer
- unit
- shaped clearance
- monomer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/78—Cases; Housings; Encapsulations; Mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/10—Multiple hybrid or EDL capacitors, e.g. arrays or modules
- H01G11/12—Stacked hybrid or EDL capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/14—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors
- H01G11/18—Arrangements or processes for adjusting or protecting hybrid or EDL capacitors against thermal overloads, e.g. heating, cooling or ventilating
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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
- Y02E60/13—Energy storage using capacitors
Abstract
The utility model provides a super capacitor packaging structure for electric automobile, include the shell and pile up the super capacitor module that forms by the super capacitor unit that a plurality of from the bottom up arranged in proper order, the super capacitor unit is arranged by a plurality of super capacitor monomers adoption hexagonal closest packing mode and forms, the super capacitor unit includes the three-layer, there is sharp triangle-shaped clearance or sharp triangle-shaped clearance down between tangent three super capacitor monomer in each layer, each super capacitor monomer in the second layer all is located the sharp triangle-shaped clearance directly over that makes progress in the first layer, sharp triangle-shaped clearance down in each layer constitutes a plurality of through channels, the center of each super capacitor monomer in the third layer is coaxial with the super capacitor monomer's in the first layer that is located its directly below center, the third layer of nth super capacitor unit is the first layer of nth + 1 super capacitor unit. This design not only the radiating effect is good, and space utilization is high moreover.
Description
Technical Field
The invention relates to the technical field of new energy automobiles, in particular to a super capacitor packaging structure for an electric automobile, which is mainly suitable for improving the heat dissipation effect.
Background
Since the 21 st century, the automobile industry has been rapidly developed, and automobiles also become a household necessity for the public. However, general automobiles rely on traditional fossil fuels as power energy, and the aggravation of fossil fuel consumption not only causes the resources such as coal, petroleum, natural gas and the like to be exhausted year by year, but also causes the environment where human beings rely on production to suffer from unprecedented damage, so as to reduce the massive use of fossil fuels, automobile engineers are working to research and develop new energy automobiles to replace traditional fuel automobiles, wherein pure electric automobiles and hybrid automobiles driven by electric power become the key points of attention of various scientists. However, such an automobile generally uses a storage battery as an energy storage element, and has the disadvantages of large mass, less energy supply, long charging time, short battery life, etc., which seriously hinders its wide application and violates the concept of light weight of the automobile. The super capacitor is used as a novel energy storage element, the performance of the super capacitor is between that of a battery and that of a traditional electrostatic capacitor, the defects that the energy density of the traditional electrostatic capacitor is too low and the power density of a chemical battery is low are overcome, and the super capacitor has the advantages of being large in power density, high in charging and discharging speed, long in service life, high in safety and relatively high in energy density. In addition to being applied to the automobile field, the super capacitor is continuously applied to multiple fields such as wind power generation, solar photovoltaic products, automobile electronics, intelligent instruments, industrial UPS power supplies, aviation and the like by virtue of excellent performance of the super capacitor.
However, in recent years, the message of the self-ignition of the electric vehicle is frequently reported, and the reason for the message is caused by the overhigh temperature of the power supply. The super capacitor car that runs during the world expo meeting stops to operate because of super capacitor high temperature under high temperature weather, and some super capacitor cars are even through placing dry ice around super capacitor and come the cooling for super capacitor. Temperature has a great influence on the performance of the supercapacitor, and the following consequences can be brought about by the temperature rise: deterioration of capacitor performance, shortened cycle life, increased internal pressure of the capacitor, pre-aging of metal joints, etc.; when the temperature is too high, the electrolyte may evaporate and thus destroy the capacitor. Therefore, the heat management of the super capacitor is very important, and in an electric vehicle, the temperature field of the super capacitor must be ensured to be in a proper range in order to ensure good performance, safe use and long cycle life of the super capacitor. In addition, the inconsistency of the resistance and the capacity caused by the inconsistency of the temperature among the unit capacitors further affects the overall charge and discharge performance and the service life, and therefore, the heat management of the super capacitor needs to be established on the basis of the distribution of the temperature field of the super capacitor. The heat management of the super capacitor is of great significance to further improve the structure of the super capacitor and use the super capacitor as a power supply on a larger scale.
Disclosure of Invention
The invention aims to overcome the defect and the problem of poor heat dissipation effect in the prior art, and provides a super capacitor packaging structure for an electric automobile with good heat dissipation effect.
In order to achieve the above purpose, the technical solution of the invention is as follows: a super capacitor packaging structure for an electric automobile comprises a shell and a super capacitor module arranged in the shell, wherein the super capacitor module is formed by stacking a plurality of super capacitor units which are sequentially arranged from bottom to top, the super capacitor units are formed by arranging a plurality of super capacitor monomers in a hexagonal closest packing mode, each super capacitor unit comprises three layers, triangular gaps exist among three tangent super capacitor monomers in each layer and comprise a sharp upward triangular gap and a sharp downward triangular gap, each super capacitor monomer in a second layer is positioned right above the sharp upward triangular gap in the first layer, part of the structure of each super capacitor monomer in the second layer is positioned above the sharp downward triangular gap in the first layer, and the sharp downward triangular gap in each layer forms a plurality of through channels, the center of each super capacitor unit in the third layer is coaxial with the center of the super capacitor unit in the first layer directly below the super capacitor unit, and the third layer of the nth super capacitor unit is the first layer of the (n + 1) th super capacitor unit.
The position that lies in ultracapacitor system module below in the shell is provided with ventilation unit, ventilation unit's air gets into from the downward triangle-shaped clearance of the tip of ultracapacitor system module bottom, from up in proper order down behind the through channel of each ultracapacitor system unit, flows out from the downward triangle-shaped clearance of the tip at ultracapacitor system module top.
The ventilation device is a fan.
The super capacitor monomers are connected in series.
The super capacitor monomer is a winding super capacitor.
The super capacitor monomer at least comprises an anode, a cathode and a diaphragm between the anode and the cathode, and electrolyte is filled in pores formed by the anode, the cathode and the diaphragm.
Compared with the prior art, the invention has the beneficial effects that:
1. in the super capacitor packaging structure for the electric automobile, a super capacitor unit is formed by arranging a plurality of super capacitor monomers in a hexagonal closest packing mode, the super capacitor unit comprises three layers, triangular gaps exist among three tangent super capacitor monomers in each layer, the triangular gaps comprise a sharp upward triangular gap and a sharp downward triangular gap, each super capacitor monomer in a second layer is positioned right above the sharp upward triangular gap in the first layer, partial structures of all the super capacitor monomers in the second layer are positioned above the sharp downward triangular gaps in the first layer, the sharp downward triangular gaps in each layer form a plurality of through channels, the center of each super capacitor monomer in the third layer is coaxial with the center of the super capacitor monomer in the first layer positioned right below the super capacitor monomer, and the third layer of the nth super capacitor unit is the first layer of the (n + 1) th super capacitor unit; the super capacitor module of above-mentioned structure not only piles up the mode through changing super capacitor monomer and makes air radiating efficiency highest, makes the heat dissipation more even through the coordination to axial radial heat dissipation proportion moreover. Therefore, the invention has good heat dissipation effect.
2. In the super capacitor packaging structure for the electric automobile, the super capacitor monomers adopt the hexagonal closest packing which is the arrangement mode with the highest space utilization rate in the three-dimensional space, and the occupied space of the super capacitor can be effectively reduced. Therefore, the invention has high space utilization rate.
3. According to the packaging structure of the super capacitor for the electric automobile, the ventilation device is arranged at the position, below the super capacitor module, in the shell, air of the ventilation device enters from the tip at the bottom of the super capacitor module to the downward triangular gap and sequentially passes through the through channels of the super capacitor units from bottom to top and then flows out from the tip at the top of the super capacitor module to the downward triangular gap, the temperature rising rate of the super capacitor is not severe during working, and the whole structure is simple and resources are saved by adopting an air cooling mode; the ventilation device is a fan, so that the structure is simple, the arrangement is simple and convenient, and the cost is low; the super capacitor monomers are connected in series, so that the power of the electric automobile can reach a required value. Therefore, the invention has simple structure, simple and convenient arrangement, low cost and high reliability.
Drawings
Fig. 1 is a schematic perspective view of a supercapacitor unit according to the present invention.
Fig. 2 is a top view of an ultracapacitor cell in the present invention.
FIG. 3 is a schematic view of the air circulation direction in the supercapacitor package structure according to the present invention.
Fig. 4 is a schematic view of air circulation in the present invention.
In the figure: the super capacitor unit comprises a super capacitor unit 1, a super capacitor single body 2, a sharp upward triangular gap 3, a sharp downward triangular gap 4 and a through channel 5.
Detailed Description
The present invention will be described in further detail with reference to the following description and embodiments in conjunction with the accompanying drawings.
Referring to fig. 1 to 4, a supercapacitor packaging structure for an electric vehicle comprises a housing and a supercapacitor module arranged in the housing, wherein the supercapacitor module is formed by stacking a plurality of supercapacitor units 1 which are sequentially arranged from bottom to top, the supercapacitor units 1 are formed by arranging a plurality of supercapacitor monomers 2 in a hexagonal closest packing manner, each supercapacitor unit 1 comprises three layers, triangular gaps are formed among three tangent supercapacitor monomers 2 in each layer, each triangular gap comprises a pointed upward triangular gap 3 and a pointed downward triangular gap 4, each supercapacitor monomer 2 in a second layer is positioned right above the pointed upward triangular gap 3 in the first layer, and part of the structure of each supercapacitor monomer 2 in the second layer is positioned above the pointed downward triangular gap 4 in the first layer, the sharp downward triangular gaps 4 in each layer form a plurality of through channels 5, the center of each super capacitor unit 2 in the third layer is coaxial with the center of the super capacitor unit 2 in the first layer positioned right below the center, and the third layer of the nth super capacitor unit 1 is the first layer of the (n + 1) th super capacitor unit 1.
The position that lies in ultracapacitor system module below in the shell is provided with ventilation unit, ventilation unit's air gets into from the downward triangle-shaped clearance 4 of the tip of ultracapacitor system module bottom, from down up in proper order behind the through channel 5 of each ultracapacitor system unit 1, flows out from the downward triangle-shaped clearance 4 of tip at ultracapacitor system module top.
The ventilation device is a fan.
The super capacitor monomers 2 are connected in series.
The super capacitor monomer 2 is a winding type super capacitor.
The super capacitor monomer 2 at least comprises a positive electrode, a negative electrode and a diaphragm between the positive electrode and the negative electrode, and electrolyte is filled in pores formed by the positive electrode, the negative electrode and the diaphragm.
The principle of the invention is illustrated as follows:
the design is based on the characteristic of anisotropy of equivalent heat transfer coefficient of the wound super capacitor and the theory of three-dimensional space occupancy rate, a packaging structure arrangement module of the wound super capacitor is established, the module creatively arranges the super capacitors according to a hexagonal closest packing scheme, wherein the positions among the super capacitors are reasonably distributed, the packing density is highest, and a heat dissipation gap is reserved compared with a face-centered cubic packing scheme.
The design ensures that the working temperature of the super capacitor is not overhigh and is always kept in an efficient and safe working temperature range; in addition, the design fully considers the problems of the working efficiency, the working cost and the like of the power system, not only realizes the temperature management of the super capacitor, but also can improve the space utilization rate of the whole vehicle and reduce the heat management cost, thereby ensuring that the whole power system always works efficiently and stably and effectively improving the cruising ability and the fuel utilization rate of the whole vehicle.
Electric automobile is during operation under higher temperature, if the ultracapacitor system module by this design supplies power, then the inside heat that produces of each ultracapacitor system monomer can be followed the ventilation hole (through channel) discharge in the middle of the module, and each ultracapacitor system is other all to have the ventilation hole that leads to outside the module, arranges differently with the closed, and this design can increase single ultracapacitor system's ventilation efficiency. The most difficult radiating is central supercapacitor unit among the supercapacitor unit, because central supercapacitor unit heat transfer mode only is heat-conduction, and outside supercapacitor unit heat transfer mode is thermal convection and heat radiation in addition, this design has designed the most ventilation hole for central supercapacitor unit, a large amount of heats that discharge central supercapacitor unit that can the maximum efficiency produced, and then guarantee the security of electric automobile work under the circumstances of environment high temperature. Meanwhile, the unit utilization rate of the super capacitor module is the highest in the three-dimensional space, so that more energy can be provided under the condition that the super capacitors with the same volume occupy the space, and the electric automobile runs farther.
The below of ventilation unit's air from the ultracapacitor system module gets into, the through passage through each ultracapacitor system unit flows from the top, because the method of piling up of ultracapacitor system module for there is a through passage between layer and layer, make inside temperature field more even, the ultracapacitor system that is in central authorities borders on most through passage, make inside heat-conduction better, the radiating effect is better, ultracapacitor system during operation temperature rate of rise is not very violent simultaneously, take air cooling's mode to make whole module simple structure, resources are saved.
Example (b):
referring to fig. 1 to 4, a supercapacitor packaging structure for an electric vehicle comprises a housing and a supercapacitor module arranged in the housing, wherein the supercapacitor module is formed by stacking a plurality of supercapacitor units 1 which are sequentially arranged from bottom to top, the supercapacitor units 1 are formed by arranging a plurality of supercapacitor monomers 2 in a hexagonal closest packing manner, each supercapacitor unit 1 comprises three layers, triangular gaps are formed among three tangent supercapacitor monomers 2 in each layer, each triangular gap comprises a pointed upward triangular gap 3 and a pointed downward triangular gap 4, each supercapacitor monomer 2 in a second layer is positioned right above the pointed upward triangular gap 3 in the first layer, and part of the structure of each supercapacitor monomer 2 in the second layer is positioned above the pointed downward triangular gap 4 in the first layer, the sharp downward triangular gaps 4 in each layer form a plurality of through channels 5, the center of each super capacitor monomer 2 in the third layer is coaxial with the center of the super capacitor monomer 2 in the first layer positioned right below the center, and the third layer of the nth super capacitor unit 1 is the first layer of the (n + 1) th super capacitor unit 1; a ventilation device is arranged at the position, below the supercapacitor module, in the shell, and air of the ventilation device enters from the tip at the bottom of the supercapacitor module to the lower triangular gap 4 and sequentially passes through the through channels 5 of the supercapacitor units 1 from bottom to top and then flows out from the tip at the top of the supercapacitor module to the lower triangular gap 4; the ventilation device is a fan; the super capacitor monomers 2 are connected in series; the super capacitor monomer 2 is a winding super capacitor; the super capacitor monomer 2 at least comprises a positive electrode, a negative electrode and a diaphragm between the positive electrode and the negative electrode, and electrolyte is filled in pores formed by the positive electrode, the negative electrode and the diaphragm.
Claims (6)
1. The utility model provides a super capacitor packaging structure for electric automobile, its characterized in that includes the shell and the super capacitor module group that sets up in it, super capacitor module group is piled up by a plurality of super capacitor unit (1) that from the bottom up arranged in proper order and forms, super capacitor unit (1) is arranged by a plurality of super capacitor monomer (2) adoption hexagonal closest packing mode and forms, super capacitor unit (1) includes the three-layer, there is the triangle-shaped clearance between tangent three super capacitor monomer (2) in each layer, the triangle-shaped clearance includes sharp upward triangle-shaped clearance (3) and sharp downward triangle-shaped clearance (4), each super capacitor monomer (2) in the second layer all is located the sharp upward triangle-shaped clearance (3) in the first layer directly over, and the partial structure of each super capacitor monomer (2) in the second layer all is located the sharp downward triangle-shaped clearance (4) of point in the first layer top, the sharp downward triangular gaps (4) in each layer form a plurality of through channels (5), the center of each super capacitor single body (2) in the third layer is coaxial with the center of the super capacitor single body (2) in the first layer positioned right below the super capacitor single body, and the third layer of the nth super capacitor unit (1) is the first layer of the (n + 1) th super capacitor unit (1).
2. The supercapacitor package structure for the electric vehicle according to claim 1, wherein: the position that lies in ultracapacitor system module below in the shell is provided with ventilation unit, ventilation unit's air gets into from sharp downward triangle-shaped clearance (4) of ultracapacitor system module bottom, from down up in proper order behind through-going passageway (5) of each ultracapacitor system unit (1), flows out from sharp downward triangle-shaped clearance (4) at ultracapacitor system module top.
3. The supercapacitor package structure for the electric vehicle according to claim 2, wherein: the ventilation device is a fan.
4. The supercapacitor package structure for the electric vehicle according to any one of claims 1 to 3, wherein: the super capacitor monomers (2) are connected in series.
5. The supercapacitor package structure for the electric vehicle according to any one of claims 1 to 3, wherein: the super capacitor monomer (2) is a winding type super capacitor.
6. The supercapacitor package structure for the electric vehicle according to any one of claims 1 to 3, wherein: the super capacitor monomer (2) at least comprises a positive electrode, a negative electrode and a diaphragm between the positive electrode and the negative electrode, and electrolyte is filled in pores formed by the positive electrode, the negative electrode and the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777249.3A CN113571339B (en) | 2021-07-09 | 2021-07-09 | Supercapacitor packaging structure for electric automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110777249.3A CN113571339B (en) | 2021-07-09 | 2021-07-09 | Supercapacitor packaging structure for electric automobile |
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| Publication Number | Publication Date |
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| CN113571339A true CN113571339A (en) | 2021-10-29 |
| CN113571339B CN113571339B (en) | 2022-07-22 |
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| CN202110777249.3A Active CN113571339B (en) | 2021-07-09 | 2021-07-09 | Supercapacitor packaging structure for electric automobile |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638185A (en) * | 2003-12-24 | 2005-07-13 | 本田技研工业株式会社 | Battery cooling structure |
| EP1610407A1 (en) * | 2004-06-25 | 2005-12-28 | Samsung SDI Co., Ltd. | Secondary battery module |
| CN202585673U (en) * | 2012-02-20 | 2012-12-05 | 重庆长安汽车股份有限公司 | Cooling structure of cylindrical power battery module |
| CN103811684A (en) * | 2014-02-18 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Battery pack box body |
| CN109037847A (en) * | 2018-09-05 | 2018-12-18 | 华霆（合肥）动力技术有限公司 | Heat management battery system and new-energy automobile |
| CN209329022U (en) * | 2019-01-24 | 2019-08-30 | 苏州骁派汽车科技有限公司 | Liquid-cooled cylindrical electrical core battery modules |
| CN112910059A (en) * | 2021-03-30 | 2021-06-04 | 深圳市德利和能源技术有限公司 | Energy storage device and power supply equipment |
-
2021
- 2021-07-09 CN CN202110777249.3A patent/CN113571339B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638185A (en) * | 2003-12-24 | 2005-07-13 | 本田技研工业株式会社 | Battery cooling structure |
| EP1610407A1 (en) * | 2004-06-25 | 2005-12-28 | Samsung SDI Co., Ltd. | Secondary battery module |
| CN202585673U (en) * | 2012-02-20 | 2012-12-05 | 重庆长安汽车股份有限公司 | Cooling structure of cylindrical power battery module |
| CN103811684A (en) * | 2014-02-18 | 2014-05-21 | 安徽江淮汽车股份有限公司 | Battery pack box body |
| CN109037847A (en) * | 2018-09-05 | 2018-12-18 | 华霆（合肥）动力技术有限公司 | Heat management battery system and new-energy automobile |
| CN209329022U (en) * | 2019-01-24 | 2019-08-30 | 苏州骁派汽车科技有限公司 | Liquid-cooled cylindrical electrical core battery modules |
| CN112910059A (en) * | 2021-03-30 | 2021-06-04 | 深圳市德利和能源技术有限公司 | Energy storage device and power supply equipment |
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| CN113571339B (en) | 2022-07-22 |
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Application publication date: 20211029 Assignee: Ningbo Tianmagnet Electronics Technology Co.,Ltd. Assignor: WUHAN University OF TECHNOLOGY Contract record no.: X2022420000113 Denomination of invention: A Package Structure of Super Capacitor for Electric Vehicles Granted publication date: 20220722 License type: Common License Record date: 20221013 |