CN109301119B - Battery heat dissipation supporting structure - Google Patents
Battery heat dissipation supporting structure Download PDFInfo
- Publication number
- CN109301119B CN109301119B CN201811297205.5A CN201811297205A CN109301119B CN 109301119 B CN109301119 B CN 109301119B CN 201811297205 A CN201811297205 A CN 201811297205A CN 109301119 B CN109301119 B CN 109301119B
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- China
- Prior art keywords
- heat dissipation
- seat
- half shell
- battery
- positioning
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- 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.)
- Expired - Fee Related
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/613—Cooling or keeping cold
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
- H01M10/6561—Gases
- H01M10/6563—Gases with forced flow, e.g. by blowers
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a battery heat dissipation supporting structure, which can effectively improve the heat dissipation performance of the battery, can well support and install a battery array unit, is provided with a special heat dissipation channel, is convenient to install, can realize accurate positioning and heat dissipation by a heat dissipation supporting and positioning assembly, can also improve the shock absorption performance of the battery, and ensures the performance of the battery.
Description
Technical Field
The invention relates to a battery heat dissipation supporting structure, and belongs to the technical field of battery auxiliary equipment.
Background
Currently, the heat dissipation performance of a battery is one of important performances of the battery. The heat dissipation of the battery is also related to the safety of the battery, the current battery is generally formed by connecting a plurality of battery pack arrays in series, the battery array with the structure is generally directly and fixedly installed in a battery shell, the battery shell is made of plastic, when the battery is used or charged, the battery generates heat seriously, and particularly in summer or in a hotter environment, the heat inside the battery expands sharply, so that the service life and the safety of the battery are seriously influenced. Especially for batteries with high power, the requirement for heat dissipation is high, and the current supporting structure has difficulty in realizing the use requirement for high-power batteries, especially for occasions with harsh use conditions and poor use environments.
Aiming at the problems, the invention provides the battery heat dissipation support structure, which improves the heat dissipation performance of the battery and ensures the safety of the battery.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the battery heat dissipation supporting structure is characterized by comprising a left half shell seat, a right half shell seat, heat dissipation fins, a connecting and positioning seat and a heat dissipation supporting and positioning assembly, wherein the connecting and positioning seat is connected between the left half shell seat and the right half shell seat in a positioning manner, the inner cavity walls of the left half shell seat and the right half shell seat are respectively provided with a groove, the grooves are provided with the heat dissipation fins extending leftwards and rightwards at intervals, a distance L1 is arranged between the heat dissipation fins fixed on the left half shell seat and the right half shell seat, a distance L2 is also arranged between the heat dissipation fins fixed on the right half shell seat and the left half shell seat, the lower part of the left half shell seat is provided with an air inlet, one side of the upper end of the right half shell seat is provided with an air outlet, and the air inlet is communicated with a bent circulation flow passage or an S-shaped flow passage between the air outlets, the bent circulating flow channel or the bent S-shaped flow channel is formed by enclosing each radiating fin and the groove wall of the groove, the left half shell seat and the right half shell seat are connected and positioned together by the connecting and positioning seat, the radiating fins are provided with the radiating support positioning assemblies, and each battery unit of a battery to be supported and installed is positioned and installed between two adjacent radiating fins by the radiating support positioning assemblies.
Further, as preferred, the heat dissipation supports locating component and is porous ventilation structure, inlet port and venthole all extend along the fore-and-aft direction mutually perpendicular with the left-and-right direction of left half shell seat, right half shell seat.
Further, as preferred, all set up the grooved cell wall on the inner chamber wall of left half shell seat and right half shell seat and connect for semicircular groove structure and form, just fin's end connection is between two adjacent semicircular groove or fin's end connection is on the left side or the right side of the centre of a circle department of semicircular groove, distance L1 is greater than semicircular groove's radius value.
Further, as a preferred option, the battery pack further comprises a ventilation and heat dissipation fan, the ventilation and heat dissipation fan is connected with the air inlet, the temperature sensor is installed on the battery unit, and when the temperature sensor detects that the temperature of the battery unit is greater than a set value, the ventilation and heat dissipation fan introduces heat dissipation gas into the circulation flow channel or the S-shaped flow channel.
Further, as preferred, the connection positioning seat includes that the shoulder seat is connected on a left side, the shoulder seat is connected on the right side and connecting bolt, wherein, the integrative extension of the shoulder seat of connecting on a left side is connected and is set up the upper and lower both ends of half shell seat on a left side, the integrative extension of the shoulder seat of connecting on the right side is connected and is set up the upper and lower both ends of half shell seat on the right side, all be provided with little location tooth, well location tooth and the big location tooth of mutually supporting on the face of connecting of shoulder seat and right side connection shoulder seat on a left side, little location tooth, well location tooth and big location tooth set up from inside to outside in proper order, just little location tooth, well location tooth and big location tooth all adopt the triangle-shaped structure, be provided with on the shoulder seat of connecting on a left side and the right side and supply.
Further, as preferred, the heat dissipation support positioning assembly comprises a porous ring, an inner support spring and a positioning seat, wherein the porous ring is of an oval elastic structure, vent holes are densely formed in the porous ring, the positioning seat is connected to one side of the center of the porous ring, positioning grooves for clamping and positioning the battery units are formed in the positioning seat, and the inner support spring is arranged in the porous ring in an array mode.
Preferably, a positioning sleeve is fixedly connected to the surface of the porous ring opposite to the positioning seat, and the positioning sleeve is sleeved and fixed on the heat dissipation fins.
Further, as preferred, the oval tip junction of porous circle is for strengthening the elasticity muscle structure, the constant head tank is L type structure.
Preferably, two groups of battery units are distributed on each radiating fin along the left-right direction, and the two groups of battery units are connected and positioned by adopting six radiating support positioning components.
Further, as preferred, radiating fin and porous circle all adopt the aluminum alloy to make, the inlet port is a plurality of.
Compared with the prior art, the invention has the beneficial effects that:
the battery heat dissipation support structure can effectively improve the heat dissipation performance of the battery, can well support and install the battery array unit, is provided with a special heat dissipation channel, is convenient to install, can realize accurate positioning and heat dissipation by the heat dissipation support positioning assembly, can improve the shock absorption performance of the battery, and ensures the performance of the battery.
Drawings
FIG. 1 is a schematic structural diagram of a heat dissipation support structure for a battery according to the present invention;
FIG. 2 is a schematic structural view of the battery heat dissipation support structure after the left half housing seat and the right half housing seat are connected;
FIG. 3 is a schematic view of the battery heat dissipation support structure after the heat dissipation support positioning assembly is assembled and positioned;
FIG. 4 is a schematic view of three heat dissipation support positioning assemblies of the heat dissipation support structure of the battery of the present invention;
fig. 5 is a schematic view of a connection positioning seat of the battery heat dissipation support structure of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: battery heat dissipation bearing structure, it includes left half shell seat 1, right half shell seat 2, radiating fin 11, connection positioning seat 5 and heat dissipation support positioning assembly 10, wherein, adopt between left half shell seat 1 and the right half shell seat 2 connection positioning seat 5 location links together, all be provided with the recess on the inner chamber wall of left half shell seat 1 and right half shell seat 2, the interval is provided with left and right extension radiating fin 11 on the recess, fix radiating fin on the left half shell seat with be provided with one section distance L1 between the right half shell seat, fix on right half shell seat 2 radiating fin with also be provided with one section distance L2 between the left half shell seat, the lower part of left half shell seat 1 is provided with inlet port 6, upper end one side of right half shell seat is provided with venthole 7, inlet port 6 with by the circulation flow way or the S type runner intercommunication of buckling between the venthole 7, the bent circulation flow channel or the S-shaped flow channel is formed by surrounding each radiating fin and the groove wall of the groove, the left half shell seat 1 and the right half shell seat 2 are connected and positioned together by the connecting and positioning seat 5, the radiating fins 11 are provided with the radiating support positioning assembly 10, and each battery unit 8 of the battery to be supported and installed is positioned and installed between two adjacent radiating fins 11 by the radiating support positioning assembly 10.
In this embodiment, the heat dissipation support positioning assembly is a porous ventilation structure, and the air inlet holes 6 and the air outlet holes 7 both extend along the front-back direction perpendicular to the left-right direction of the left half shell base 1 and the right half shell base 2. All set up the grooved cell wall on the inner chamber wall of left side half shell seat and right half shell seat and form for semicircular groove structure connects, just fin 11's end connection is between two adjacent semicircular groove or fin's end connection is on the left side or the right side of the centre of a circle department of semicircular groove, distance L1 is greater than semicircular groove's radius value.
In addition, the invention also comprises a ventilation and heat dissipation fan, wherein the ventilation and heat dissipation fan is connected with the air inlet, the temperature sensor is arranged on the battery unit, and when the temperature sensor detects that the temperature of the battery unit is greater than a set value, the ventilation and heat dissipation fan introduces heat dissipation gas into the circulating flow channel or the S-shaped flow channel.
Connect the positioning seat and include that shoulder seat, right side are connected and shoulder seat and connecting bolt are connected to a left side, wherein, a left side is connected the integrative extension of shoulder seat and is connected the setting and is in the upper and lower both ends of half shell seat in a left side, the integrative extension of shoulder seat is connected in the right side is connected the setting and is in the upper and lower both ends of half shell seat in the right side, all be provided with little location tooth 18, well location tooth 19 and the big location tooth 20 of mutually supporting on the face of being connected of shoulder seat and right side connection shoulder seat in a left side, little location tooth 18, well location tooth 19 and big location tooth 20 set up from inside to outside in proper order, just little location tooth 18, well location tooth 19 and big location tooth 20 all adopt the triangle-shaped structure, be provided with on connecting shoulder seat and the right side and supply connecting bolt to stretch into the.
The heat dissipation supporting and positioning assembly 10 comprises a porous ring 14, an inner supporting spring 16 and a positioning seat 9, wherein the porous ring 14 is of an oval elastic structure, vent holes are densely formed in the porous ring 14, the positioning seat 9 is connected to one side of the center of the porous ring 14, positioning grooves for clamping and positioning battery units are formed in the positioning seat 9, and the inner supporting spring 16 is arranged in the porous ring 14 in an array mode. The surface of the porous ring 14 opposite to the positioning seat is fixedly connected with a positioning sleeve 13, and the positioning sleeve 13 is sleeved and fixed on the heat dissipation fin 11. The end connection part of the ellipse 17 of the porous ring is a reinforced elastic rib structure 15, and the positioning groove is of an L-shaped structure.
As shown in fig. 1 and 3, two sets of battery units 8 are distributed on each of the heat dissipation fins along the left-right direction, and the two sets of battery units are connected and positioned by adopting six heat dissipation support positioning assemblies. The radiating fins and the porous ring are made of aluminum alloy, and the air inlets are multiple.
The battery heat dissipation support structure can effectively improve the heat dissipation performance of the battery, can well support and install the battery array unit, is provided with a special heat dissipation channel, is convenient to install, can realize accurate positioning and heat dissipation by the heat dissipation support positioning assembly, can improve the shock absorption performance of the battery, and ensures the performance of the battery.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The battery heat dissipation supporting structure is characterized by comprising a left half shell seat, a right half shell seat, heat dissipation fins, a connecting and positioning seat and a heat dissipation supporting and positioning assembly, wherein the connecting and positioning seat is connected between the left half shell seat and the right half shell seat in a positioning manner, the inner cavity walls of the left half shell seat and the right half shell seat are respectively provided with a groove, the grooves are provided with the heat dissipation fins extending leftwards and rightwards at intervals, a distance L1 is arranged between the heat dissipation fins fixed on the left half shell seat and the right half shell seat, a distance L2 is also arranged between the heat dissipation fins fixed on the right half shell seat and the left half shell seat, the lower part of the left half shell seat is provided with an air inlet, one side of the upper end of the right half shell seat is provided with an air outlet, and the air inlet is communicated with a bent circulation flow passage or an S-shaped flow passage between the air outlets, the bent circulating flow channel or the bent S-shaped flow channel is formed by enclosing each radiating fin and the groove wall of the groove, the left half shell seat and the right half shell seat are connected and positioned together by the connecting and positioning seat, the radiating fins are provided with the radiating support positioning assemblies, and each battery unit of a battery to be supported and installed is positioned and installed between two adjacent radiating fins by the radiating support positioning assemblies.
2. The battery heat dissipating support structure of claim 1, wherein: the heat dissipation supporting and positioning assembly is of a porous ventilation structure, and the air inlet hole and the air outlet hole extend along the front-back direction perpendicular to the left and right directions of the left half shell seat and the right half shell seat.
3. The battery heat dissipation support structure of claim 2, wherein: all set up the grooved cell wall on the inner chamber wall of left side half shell seat and right half shell seat and form for semicircular groove structure connects, just fin's end connection is between two adjacent semicircular groove or fin's end connection is on the left side or the right side of the centre of a circle department of semicircular groove, distance L1 is greater than semicircular groove's radius value.
4. The battery heat dissipating support structure of claim 3, wherein: the battery pack is characterized by further comprising a ventilation and heat dissipation fan, the ventilation and heat dissipation fan is connected with the air inlet hole, the temperature sensor is installed on the battery unit, and when the temperature sensor detects that the temperature of the battery unit is larger than a set value, the ventilation and heat dissipation fan introduces heat dissipation gas into the circulating flow channel or the S-shaped flow channel.
5. The battery heat dissipation support structure of claim 4, wherein: connect the positioning seat and include that shoulder seat, right side are connected to the left side and shoulder seat and connecting bolt, wherein, a left side is connected the integrative extension of shoulder seat and is connected the setting and is in the upper and lower both ends of half shell seat in a left side, the integrative extension of shoulder seat is connected in the right side and is connected the setting and be in the upper and lower both ends of half shell seat in the right side, all be provided with little location tooth, well location tooth and the big location tooth of mutually supporting on the face of being connected of shoulder seat and right side connection shoulder seat in a left side, little location tooth, well location tooth and big location tooth set up from inside to outside in proper order, just little location tooth, well location tooth all adopt the triangle-shaped structure with big location tooth, it supplies connecting bolt to stretch into the through-hole of connection to be provided with on shoulder seat.
6. The battery heat dissipation support structure of claim 4, wherein: the heat dissipation supporting and positioning assembly comprises a porous ring, an inner supporting spring and a positioning seat, wherein the porous ring is of an oval elastic structure, air holes are densely formed in the porous ring, the positioning seat is connected to one side of the center of the porous ring, positioning grooves for clamping and positioning battery units are formed in the positioning seat, and the inner supporting spring is arranged in the porous ring in an array mode.
7. The battery heat dissipating support structure of claim 6, wherein: and a positioning sleeve is fixedly connected to the surface of the porous ring opposite to the positioning seat, and the positioning sleeve is sleeved and fixed on the heat dissipation fins.
8. The battery heat dissipating support structure of claim 6, wherein: the oval end part connecting part of the porous ring is of a reinforced elastic rib structure, and the positioning groove is of an L-shaped structure.
9. The battery heat dissipation support structure of claim 4, wherein: two groups of battery units are distributed on each radiating fin along the left-right direction, and the two groups of battery units are connected and positioned by adopting six radiating supporting and positioning components.
10. The battery heat dissipating support structure of claim 6, wherein: the radiating fins and the porous ring are made of aluminum alloy, and the air inlets are multiple.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811297205.5A CN109301119B (en) | 2018-11-01 | 2018-11-01 | Battery heat dissipation supporting structure |
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CN201811297205.5A CN109301119B (en) | 2018-11-01 | 2018-11-01 | Battery heat dissipation supporting structure |
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CN109301119A CN109301119A (en) | 2019-02-01 |
CN109301119B true CN109301119B (en) | 2021-02-26 |
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CN201811297205.5A Expired - Fee Related CN109301119B (en) | 2018-11-01 | 2018-11-01 | Battery heat dissipation supporting structure |
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Families Citing this family (1)
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CN110137399B (en) * | 2019-04-18 | 2022-03-29 | 肇庆理士电源技术有限公司 | Intelligent lead type battery |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101449419A (en) * | 2006-05-22 | 2009-06-03 | 丰田自动车株式会社 | power supply unit |
CN101894969A (en) * | 2010-07-26 | 2010-11-24 | 湖南科霸汽车动力电池有限责任公司 | Power battery pack energy pack |
CN102723446A (en) * | 2012-05-29 | 2012-10-10 | 郑州宇通客车股份有限公司 | Battery inner box and battery temperature control box employing battery inner box |
CN103715474A (en) * | 2012-10-02 | 2014-04-09 | 铃木株式会社 | Vehicle-used battery pack |
CN204167436U (en) * | 2014-11-07 | 2015-02-18 | 奇瑞万达贵州客车股份有限公司 | A kind of power battery cooling system structure |
JP2015037019A (en) * | 2013-08-12 | 2015-02-23 | 株式会社東芝 | Heating element housing device |
WO2015190302A1 (en) * | 2014-06-10 | 2015-12-17 | 新神戸電機株式会社 | Battery panel |
CN205452388U (en) * | 2015-12-31 | 2016-08-10 | 天津市泛恩科贸有限公司 | Battery holder for electromobile |
CN205960072U (en) * | 2016-08-31 | 2017-02-15 | 北京科易动力科技有限公司 | Variable thermal resistance formula battery box |
-
2018
- 2018-11-01 CN CN201811297205.5A patent/CN109301119B/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101449419A (en) * | 2006-05-22 | 2009-06-03 | 丰田自动车株式会社 | power supply unit |
CN101894969A (en) * | 2010-07-26 | 2010-11-24 | 湖南科霸汽车动力电池有限责任公司 | Power battery pack energy pack |
CN102723446A (en) * | 2012-05-29 | 2012-10-10 | 郑州宇通客车股份有限公司 | Battery inner box and battery temperature control box employing battery inner box |
CN103715474A (en) * | 2012-10-02 | 2014-04-09 | 铃木株式会社 | Vehicle-used battery pack |
JP2015037019A (en) * | 2013-08-12 | 2015-02-23 | 株式会社東芝 | Heating element housing device |
WO2015190302A1 (en) * | 2014-06-10 | 2015-12-17 | 新神戸電機株式会社 | Battery panel |
CN204167436U (en) * | 2014-11-07 | 2015-02-18 | 奇瑞万达贵州客车股份有限公司 | A kind of power battery cooling system structure |
CN205452388U (en) * | 2015-12-31 | 2016-08-10 | 天津市泛恩科贸有限公司 | Battery holder for electromobile |
CN205960072U (en) * | 2016-08-31 | 2017-02-15 | 北京科易动力科技有限公司 | Variable thermal resistance formula battery box |
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