CN106328853B - Power battery assembly with cylindrical battery core - Google Patents
Power battery assembly with cylindrical battery core Download PDFInfo
- Publication number
- CN106328853B CN106328853B CN201611026135.0A CN201611026135A CN106328853B CN 106328853 B CN106328853 B CN 106328853B CN 201611026135 A CN201611026135 A CN 201611026135A CN 106328853 B CN106328853 B CN 106328853B
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- China
- Prior art keywords
- heat conducting
- heat
- plate
- liquid cooling
- cooling plate
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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
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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
- H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
- H01M10/625—Vehicles
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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
- H01M10/655—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
- 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
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Secondary Cells (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a power battery assembly with a cylindrical battery core, which comprises a battery shell, the cylindrical battery core, a heat conducting plate, a heat conducting pad and a liquid cooling plate, wherein the heat conducting plate is sleeved on the cylindrical battery core and used for conducting heat, the heat conducting pad is in contact with the heat conducting plate, and the liquid cooling plate exchanges heat with the heat conducting pad. According to the power battery assembly, the cylindrical battery core is arranged to be in contact with the heat conducting plate, and the heat conducting pad is arranged to conduct heat with the liquid cooling plate uniformly, so that the heat dissipation effect of the power battery can be improved.
Description
Technical Field
The invention belongs to the technical field of electric automobiles, and particularly relates to a power battery assembly with a cylindrical battery core.
Background
With the popularization of new energy automobiles, the requirements of the new energy automobiles on quick charging, quick (high-rate) discharging, operation under extreme climatic conditions and the like are continuously improved, the heat dissipation requirement of the power battery assembly is continuously improved in the process, and under the condition, the natural cooling and the traditional air cooling of the power battery assembly cannot completely meet the heat dissipation requirement, particularly for the power battery assembly adopting a cylindrical battery core.
The electric cores in the existing power battery assembly adopting the cylindrical electric core are bundled and grouped, the quick charging, the quick (high-rate) discharging and the heat concentration under the extreme climatic conditions are obvious, the heat dissipation effect is poor, the service life of the battery is influenced when the battery works at high temperature for a long time, and the safety of the battery and the driving is also influenced.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a power battery assembly with a cylindrical battery core, and aims to improve the heat dissipation effect.
In order to achieve the purpose, the invention adopts the technical scheme that: the power battery assembly with the cylindrical battery core comprises a battery shell and the cylindrical battery core, and further comprises a heat conducting plate, a heat conducting pad and a liquid cooling plate, wherein the heat conducting plate is sleeved on the cylindrical battery core and used for conducting heat, the heat conducting pad is in contact with the heat conducting plate, and the liquid cooling plate conducts heat exchange with the heat conducting pad.
The heat conducting plate is provided with a mounting hole for the cylindrical battery core to be inserted into, and a heat conducting insulating layer is arranged on the inner wall surface of the mounting hole.
The heat conduction insulating layer is formed on the inner wall surface of the mounting hole in a spraying mode by heat conduction insulating materials.
The mounting hole is the round hole and the mounting hole is in set up a plurality ofly on the heat-conducting plate.
The heat conduction pad is made of silica gel materials and is clamped between the battery shell and the liquid cooling plate.
The heat conducting pad is in contact with the outer wall surface of the heat conducting plate.
And a cooling water channel is arranged in the liquid cooling plate.
According to the power battery assembly, the cylindrical battery core is arranged to be in contact with the heat conducting plate, and the heat conducting pad is arranged to conduct heat with the liquid cooling plate uniformly, so that the heat dissipation effect of the power battery can be improved.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is an exploded schematic view of a power cell assembly of the present invention;
labeled as: 1. a cylindrical cell; 2. a battery case; 3. a heat conducting plate; 31. mounting holes; 32. a contact surface; 4. a thermally conductive pad; 5. a liquid-cooled plate; 6. and (7) a cover plate.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1, the present invention provides a power battery assembly with a cylindrical battery core, which includes a battery casing 2, a cylindrical battery core 1, a heat conducting plate 3 sleeved on the cylindrical battery core 1 and used for conducting heat, a heat conducting pad 4 in contact with the heat conducting plate 3, and a liquid cooling plate 5 exchanging heat with the heat conducting pad 4.
Specifically, as shown in fig. 1, the battery case 2 has a rectangular case structure with a hollow interior, the plurality of cylindrical battery cells 1 are bundled and connected to form a battery cell module, the battery cell module is inserted into an inner cavity of the battery case 2 for installation, and an end opening of the battery case 2 is closed by a cover plate 6.
As shown in fig. 1, the heat-conducting plate 3 is substantially rectangular, the heat-conducting plate 3 is an aluminum plate, the heat-conducting plate 3 has a mounting hole 31 into which the cylindrical battery cell 1 is inserted, and the mounting hole 31 is a through hole that is provided to penetrate in the thickness direction of the heat-conducting plate 3. Preferably, a heat conduction insulation layer is disposed on an inner wall surface of the mounting hole 31, the heat conduction insulation layer is formed on an inner circumferential surface of the mounting hole 31 by spraying a heat conduction insulation material, and the heat conduction insulation material is preferably a heat conduction glue. The diameter of mounting hole 31 equals with cylindrical electric core 1's diameter, and cylindrical electric core 1 keeps effective contact with heat-conducting plate 3 through inserting in mounting hole 31, sets up heat conduction insulating layer on the interior disc of mounting hole 31 department, and heat conduction insulating layer and cylindrical electric core 1 contact can get fine heat conduction insulating effect, and cooperation heat conduction pad 4 forms the secondary insulation effect, guarantee battery and driving safety.
As shown in fig. 1, the mounting holes 31 are circular holes, and a plurality of mounting holes 31 are provided on the heat conducting plate 3, the number of the mounting holes 31 is equal to the number of the cylindrical battery cells 1, and each of the cylindrical battery cells 1 is inserted into one of the mounting holes 31.
Preferably, the heat conducting pad 4 is made of a silicone material, and as shown in fig. 1, the heat conducting pad 4 is sandwiched between the battery case 2 and the liquid cooling plate 5. The heat conduction pad 4 of silica gel material can carry out even heat transfer with liquid cooling board 5, and the area of heat conduction pad 4 is roughly equal with the area of liquid cooling board 5 to can further improve the radiating effect.
As shown in fig. 1, the end surface of the heat conducting pad 4 contacts the heat conducting plate 3, the outer wall surface of one side of the heat conducting plate 3 is a contact surface 32 contacting with the heat conducting pad 4, the heat generated by the cylindrical battery cell 1 during operation is conducted to the heat conducting pad 4 through the heat conducting plate 3, and finally the heat is dissipated through the heat exchange with the liquid cooling plate 5.
As shown in fig. 1, the heat conducting pad 4 and the liquid cooling plate 5 are both rectangular structures, a cooling water channel is arranged inside the liquid cooling plate 5, a water inlet and a water outlet are arranged on the liquid cooling plate 5, the water inlet and the water outlet are connected with external water supply equipment, circulating cooling water is provided by the water supply equipment, and the cooling water channel in the liquid cooling plate 5 flows to play a role in cooling.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (1)
1. Power battery assembly with cylindrical electric core, including battery case and cylindrical electric core, its characterized in that: the battery also comprises a heat conducting plate, a heat conducting pad and a liquid cooling plate, wherein the heat conducting plate is sleeved on the cylindrical battery core and used for conducting heat, the heat conducting pad is in contact with the heat conducting plate, and the liquid cooling plate exchanges heat with the heat conducting pad;
the heat conducting pad is made of silica gel materials and is clamped between the battery shell and the liquid cooling plate, the heat conducting pad is in contact with the outer wall surface of the heat conducting plate, the outer wall surface of one side of the heat conducting plate is a contact surface in contact with the heat conducting pad, heat generated by the cylindrical battery core during working is conducted to the heat conducting pad through the heat conducting plate, and finally heat is dissipated in a heat exchange mode with the liquid cooling plate;
the heat conducting plate is provided with a mounting hole into which the cylindrical battery core is inserted, a heat conducting insulating layer is arranged on the inner wall surface of the mounting hole, the mounting hole is a circular hole, and a plurality of mounting holes are formed in the heat conducting plate;
the heat conduction insulating layer is formed on the inner wall surface of the mounting hole in a spraying mode by a heat conduction insulating material, the heat conduction insulating material is heat conduction glue, and the heat conduction insulating layer is in contact with the cylindrical battery core;
the area of the heat conducting pad is approximately equal to that of the liquid cooling plate;
the heat conducting pad and the liquid cooling plate are both of rectangular structures;
the liquid cooling plate is internally provided with a cooling water channel, the liquid cooling plate is provided with a water inlet and a water outlet, the water inlet and the water outlet are connected with external water supply equipment, circulating cooling water is provided by the water supply equipment, and the cooling water flows in the cooling water channel in the liquid cooling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026135.0A CN106328853B (en) | 2016-11-22 | 2016-11-22 | Power battery assembly with cylindrical battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611026135.0A CN106328853B (en) | 2016-11-22 | 2016-11-22 | Power battery assembly with cylindrical battery core |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106328853A CN106328853A (en) | 2017-01-11 |
| CN106328853B true CN106328853B (en) | 2020-04-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611026135.0A Active CN106328853B (en) | 2016-11-22 | 2016-11-22 | Power battery assembly with cylindrical battery core |
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| Country | Link |
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| CN (1) | CN106328853B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106935758A (en) * | 2017-05-16 | 2017-07-07 | 惠州亿纬锂能股份有限公司 | High-performance heat management electrokinetic cell module and battery pack |
| CN109103540A (en) * | 2017-12-06 | 2018-12-28 | 蔚来汽车有限公司 | Battery core cooling device |
| CN109301364B (en) * | 2018-09-10 | 2023-11-24 | 华南理工大学 | Efficient thermal management device of cylindrical power battery and working method of efficient thermal management device |
| CN109742480A (en) * | 2018-12-25 | 2019-05-10 | 江苏金坛绿能新能源科技有限公司 | Power battery core cooling system |
| CN110649198B (en) * | 2019-09-27 | 2022-09-23 | 联动天翼新能源有限公司 | General module of lithium cell package and battery package |
| CN114221060A (en) * | 2021-11-18 | 2022-03-22 | 南京创源动力科技有限公司 | Soft packet of liquid cooling module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202444034U (en) * | 2012-01-31 | 2012-09-19 | 统达能源股份有限公司 | Heat radiation type battery structure |
| CN104518255A (en) * | 2013-09-29 | 2015-04-15 | 原瑞电池科技(深圳)有限公司 | Battery module |
| CN204333167U (en) * | 2014-12-05 | 2015-05-13 | 山东梅拉德能源动力科技有限公司 | A kind of structure of dispelling the heat for Li-ion batteries piles and heating |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6636016B2 (en) * | 2000-10-16 | 2003-10-21 | Toshiba Battery Co., Ltd. | Battery pack and backup power supply device utilizing the battery pack |
-
2016
- 2016-11-22 CN CN201611026135.0A patent/CN106328853B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202444034U (en) * | 2012-01-31 | 2012-09-19 | 统达能源股份有限公司 | Heat radiation type battery structure |
| CN104518255A (en) * | 2013-09-29 | 2015-04-15 | 原瑞电池科技(深圳)有限公司 | Battery module |
| CN204333167U (en) * | 2014-12-05 | 2015-05-13 | 山东梅拉德能源动力科技有限公司 | A kind of structure of dispelling the heat for Li-ion batteries piles and heating |
Also Published As
| Publication number | Publication date |
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| CN106328853A (en) | 2017-01-11 |
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